CN118636436B

CN118636436B - PVC-UH drainage pipe vacuum shaping and cooling molding process and equipment

Info

Publication number: CN118636436B
Application number: CN202410715850.3A
Authority: CN
Inventors: 李飞; 孟昭兴; 李蓓蕾; 周惠; 石明; 李希特
Original assignee: Ouya Pipe Industry Co ltd
Current assignee: Ouya Pipe Industry Co ltd
Priority date: 2024-06-04
Filing date: 2024-06-04
Publication date: 2025-05-27
Anticipated expiration: 2044-06-04
Also published as: CN118636436A

Abstract

The invention discloses a vacuum shaping cooling molding process and equipment for PVC-UH drainage pipes, and the molding process comprises the following steps: step 1: mixing PVC-UH raw materials, stabilizers, fillers and lubricants in a ratio of 8:0.5:1:0.3, and extruding the mixed PVC-UH raw materials into cooling molding equipment through an extruder; step 2: after the PVC-UH raw materials are extruded into the cooling molding equipment, the PVC-UH raw materials are cooled and molded by the cooling molding equipment to form the PVC-UH drainage pipes through cooling molding; step 3: after the cooling and molding of the PVC-UH drainage pipes is completed, the PVC-UH drainage pipes after cooling and molding are further discharged. The invention has the beneficial effects of helping to discharge the PVC-UH drainage pipes after cooling and molding, being able to conveniently cool and mold the PVC-UH drainage pipes, and helping to ensure the working efficiency of processing the PVC-UH drainage pipes.

Description

Vacuum shaping cooling forming process and equipment for PVC-UH drain pipe

Technical Field

The invention relates to the technical field of cooling forming, in particular to a vacuum shaping cooling forming process and equipment for a PVC-UH drain pipe.

Background

PVC is a polymer formed by polymerizing vinyl chloride monomers under the action of an initiator such as peroxide and azo compounds or under the action of light and heat according to a free radical polymerization reaction mechanism, vinyl chloride homopolymers and vinyl chloride copolymers are collectively called as vinyl chloride resin, a PVC-UH drain pipe is a high-performance hard polyethylene pipe for low-pressure sewage drainage, and the PVC-UH drain pipe is a pipe for sewage drainage, which is formed by adopting a hard polyvinyl chloride mixture meeting the standard requirements, and has an integrally formed steel skeleton sealing ring socket structure through extrusion.

The PVC-UH low-pressure blowdown drainage pipe adopts a high-efficiency excellent heat stabilizer and an advanced production process, ensures the quality of the pipe, is widely applied to conveying domestic sewage, specific industrial wastewater and the like, and after the PVC-UH drainage pipe is processed by an extruder, the processed PVC-UH drainage pipe needs to be cooled and molded so as to finish the processing of the PVC-UH drainage pipe.

When the existing cooling forming equipment is used, the PVC-UH drain pipe is not beneficial to being discharged after cooling forming, the PVC-UH drain pipe cannot be conveniently cooled and formed, and the working efficiency of processing the PVC-UH drain pipe can be influenced.

Therefore, we propose a vacuum shaping, cooling and forming process and equipment for a PVC-UH drain pipe.

Disclosure of Invention

The present invention has been developed in view of the above-described and/or problems associated with existing PVC-UH drain pipe vacuum forming, cooling and molding processes and apparatus.

Therefore, the invention aims to provide a vacuum shaping, cooling and forming process and equipment for a PVC-UH drain pipe, which can solve the problems that the prior art is unfavorable for discharging the PVC-UH drain pipe after cooling and forming, the PVC-UH drain pipe cannot be conveniently cooled and formed, and the working efficiency of processing the PVC-UH drain pipe can be influenced by improving the prior cooling and forming equipment.

In order to solve the technical problems, according to one aspect of the present invention, the following technical solutions are provided:

the vacuum shaping, cooling and forming process of the PVC-UH drain pipe comprises the following steps:

mixing PVC-UH raw materials, a stabilizer, a filler and a lubricant according to the proportion of 8:0.5:1:0.3, and extruding the mixed PVC-UH raw materials into cooling forming equipment through an extruder;

Extruding the PVC-UH raw material into cooling forming equipment, and cooling and forming the PVC-UH raw material by the cooling forming equipment to obtain a PVC-UH drain pipe;

And thirdly, after the cooling forming processing of the PVC-UH drain pipe is finished, further discharging the PVC-UH drain pipe after the cooling forming processing, and after discharging the PVC-UH drain pipe, finishing the processing of the PVC-UH drain pipe.

The invention relates to cooling molding equipment for a PVC-UH drain pipe vacuum shaping cooling molding process, which comprises an extruder main body, wherein a first mounting plate is mounted on the lower surface of the extruder main body, a second mounting plate is fixed on the surface of one end of the first mounting plate, which is close to a discharge hole of the extruder main body, a moving block is slidably mounted on the upper surface of the second mounting plate along the horizontal direction, a second connecting block is mounted on the upper surface of the moving block, molding barrels corresponding to the discharge hole on the extruder main body are mounted at the middle parts of the two ends of the second connecting block, a moving disc is slidably mounted in the molding barrels along the horizontal direction, molding rods are fixed on the middle parts of the surfaces of the moving disc, which are close to one side of the extruder main body, and refrigerating rods are mounted on the middle parts of the molding rods.

The cooling molding equipment for the PVC-UH drain pipe vacuum shaping cooling molding process has the advantages that the middle parts of the molding cylinder bodies are provided with cooling grooves, first connecting pipes are commonly arranged between the middle parts of the molding cylinder bodies on the side close to each other, the first connecting pipes are favorable for connecting the cooling grooves on the molding cylinder, the middle parts of the molding cylinder bodies on the side close to each other are provided with matched first through holes corresponding to the inner annular surfaces of the first connecting pipes, and the first through holes on the molding cylinder bodies are communicated with the corresponding cooling grooves.

As a preferable scheme of the cooling forming equipment of the PVC-UH drain pipe vacuum shaping cooling forming process, the middle parts of the sides, far away from each other, of the forming cylinder are provided with second connecting pipes, the ends, far away from each other, of the second connecting pipes are fixedly provided with mounting pipes, the middle parts, far away from each other, of the forming cylinder are provided with matched second through holes corresponding to the second connecting pipes, the second through holes on the forming cylinder are communicated with the corresponding cooling grooves, and the second through holes are favorable for communicating the cooling grooves on the forming cylinder with the second connecting pipes.

As a preferable scheme of the cooling forming equipment of the PVC-UH drain pipe vacuum shaping cooling forming process, a matched retaining groove is formed on the second connecting block corresponding to the first connecting pipe and the second connecting pipe, the retaining groove on the second connecting block is beneficial to limiting the first connecting pipe and the second connecting pipe, forming cylinders penetrate through the two side surfaces of the corresponding positions on the second connecting block, and the second connecting block is provided with a matched retaining hole corresponding to the forming cylinder.

As a preferable scheme of the cooling molding equipment for the PVC-UH drain pipe vacuum shaping cooling molding process, the invention is characterized in that sealing gaskets which are matched and attached are fixed on the surface of one end of the molding cylinder, which is close to the main body of the extruder, the molding cylinder can fix and limit the sealing gaskets, a baffle plate is jointly fixed between the surface of one end of the molding cylinder, which is far away from the sealing gaskets, and electric telescopic rods are arranged at two ends of the surface of one side of the baffle plate, which is far away from the molding cylinder, corresponding to the movable disc.

As a preferable scheme of the cooling molding equipment for the vacuum shaping and cooling molding process of the PVC-UH drain pipe, the output rods of the electric telescopic rods face the baffle, the output rods of the electric telescopic rods penetrate through the surfaces of two sides of the corresponding positions on the baffle, one ends of the output rods of the electric telescopic rods, which are close to the movable disc, are fixedly connected with the corresponding positions on the corresponding movable disc, and the electric telescopic rods are helpful for driving the movable disc to move.

As a preferable scheme of the cooling forming equipment for the PVC-UH drain pipe vacuum shaping cooling forming process, the two ends of the upper surface of the second mounting plate are respectively fixed with a fixing plate, the middle parts of the fixing plates are respectively provided with a rotating rod through bearings in a rotating way, the rotating rods penetrate through the two side surfaces corresponding to the middle parts of the fixing plates, screw rods are jointly fixed between the opposite ends of the rotating rods, the rotating rods are helpful for rotating and limiting the screw rods, and the screw rods penetrate through the two side surfaces of the middle parts of the moving blocks and are in threaded connection with the middle parts of the moving blocks.

The upper surface of the moving block is fixedly connected with a first connecting block, the upper surface of the first connecting block is fixedly connected with the corresponding position of the lower surface of a second connecting block, a clamping block is fixedly arranged in the middle of the lower surface of the moving block, a clamping groove which is matched with the clamping block is formed in the middle of the upper surface of the second mounting plate, the clamping block is positioned in the clamping groove and is connected with the clamping groove in a sliding mode along the horizontal direction, and the clamping groove and the clamping block are beneficial to limiting the moving block and are convenient to move stably.

As a preferable scheme of the cooling forming equipment of the PVC-UH drain pipe vacuum shaping cooling forming process, a rotating motor is arranged in the middle of the surface of one side, far away from the moving block, of the fixed plate, corresponding to the rotating rod, an output shaft of the rotating motor faces the rotating rod and is fixedly connected with the opposite end of the corresponding rotating rod, and the rotating motor is helpful for driving the rotating rod to rotate, so that the rotating rod is convenient to use.

Compared with the prior art, the invention has the following beneficial effects:

1. According to the invention, the PVC-UH drain pipe can be molded and discharged, so that the production time of the PVC-UH drain pipe is shortened, and the batch production of the PVC-UH drain pipe is facilitated.

2. According to the invention, when the movable plate moves along the horizontal direction, the formed PVC-UH drain pipe can be driven by the forming rod to move to the outer side of the forming cylinder, so that the formed PVC-UH drain pipe can be taken out conveniently, the PVC-UH drain pipe after cooling forming can be discharged conveniently during use, the PVC-UH drain pipe can be cooled and formed conveniently, and the working efficiency of processing the PVC-UH drain pipe can be guaranteed.

3. According to the invention, the refrigerating rod can cool and mold the inner side of the PVC-UH drain pipe raw material to be molded through the molding rod, the cooling water can cool and mold the outer side of the PVC-UH drain pipe raw material to be molded through the cooling groove and the molding cylinder, the first connecting pipe and the first through hole can be communicated with the cooling groove on the molding cylinder so as to facilitate circulation of cooling water, and the second connecting block can limit the first connecting pipe and the second connecting pipe through the retaining groove so as to facilitate stable use of the first connecting pipe and the second connecting pipe.

4. According to the invention, the fixing plate can limit the screw rod through the rotating rod, so that the screw rod can be conveniently and stably rotated, the moving block in threaded connection with the screw rod can move along the horizontal direction when the screw rod rotates, the clamping block can be driven to move along the clamping groove on the second mounting plate when the moving block moves along the horizontal direction, and the second mounting plate can limit the moving block through the clamping groove and the clamping block, so that the moving block can be stably moved.

Drawings

FIG. 1 is a schematic diagram of a cooling molding process according to a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a first embodiment of the present invention;

FIG. 3 is a schematic view of a gasket according to a first embodiment of the present invention;

FIG. 4 is a schematic view of a baffle structure according to a first embodiment of the present invention;

FIG. 5 is a schematic view of a mounting tube according to a first embodiment of the present invention;

FIG. 6 is a schematic view of a first mounting plate structure according to a first embodiment of the present invention;

FIG. 7 is a schematic diagram of a latch according to a first embodiment of the present invention;

FIG. 8 is a schematic view of a turning rod according to a first embodiment of the present invention;

FIG. 9 is a schematic diagram of a mobile disc structure according to a first embodiment of the present invention;

FIG. 10 is an enlarged partial schematic view of portion A of FIG. 9;

FIG. 11 is a schematic diagram of a second embodiment of the present invention;

FIG. 12 is a schematic view of a portion of a discharge mechanism according to a second embodiment of the present invention;

fig. 13 is a schematic diagram showing a part of a discharging mechanism according to a second embodiment of the present invention.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the invention, and is provided in the context of a particular application and its requirements. Various modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the disclosure. Thus, the present description is not limited to the embodiments shown, but is to be accorded the widest scope consistent with the claims.

In the description of the present application, it should be noted that unless explicitly specified and defined otherwise, terms such as "longitudinal", "transverse", "radial", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and these terms are used primarily for better description of the present application and embodiments thereof, and are not intended to limit the indicated device, element or component to have a specific orientation or to be constructed and operated in a specific orientation.

Second, the terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another, and the embodiments of the application should not be construed as limited thereto.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, they may be fixedly connected, detachably connected, or of unitary construction, they may be mechanically or electrically connected, they may be directly connected, or they may be indirectly connected through intermediaries, or they may be in internal communication between two devices, elements or components.

The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

With respect to the drawings of the present application, it is to be clearly understood that the same is by way of illustration and description only and is not intended to limit the scope of the present description. It should also be understood that the drawings are not drawn to scale.

Embodiment one:

The invention provides a vacuum shaping, cooling and forming process and equipment for a PVC-UH drain pipe, which have the advantages of being beneficial to discharging the PVC-UH drain pipe after cooling and forming, being capable of conveniently cooling and forming the PVC-UH drain pipe and being beneficial to ensuring the working efficiency of processing the PVC-UH drain pipe;

Referring to fig. 1, the vacuum shaping, cooling and forming process of the pvc-UH drain pipe comprises the following steps:

Referring to fig. 2-10, the cooling forming device of the vacuum forming and cooling forming process for the PVC-UH drain pipe in the invention comprises an extruder main body 1, wherein a first mounting plate 2 is mounted on the lower surface of the extruder main body 1, a second mounting plate 3 is fixed on one end surface of the first mounting plate 2, which is close to a discharge port of the extruder main body 1, a moving block 8 is slidably mounted on the upper surface of the second mounting plate 3 along the horizontal direction, a second connecting block 12 is mounted on the upper surface of the moving block 8, forming drums 13 corresponding to the discharge port on the extruder main body 1 are mounted in the middle parts of the two ends of the second connecting block 12, a moving disc 24 is slidably mounted in the forming drums 13 along the horizontal direction, forming rods 16 are fixed in the middle parts of the moving disc 24, a refrigerating rod 17 is mounted in the middle parts of the forming rods 16, and the moving disc 24 can drive the formed PVC-UH drain pipe to the outer side of the forming drums 13 through the forming rods 16 when moving along the horizontal direction, so that the formed PVC-UH drain pipe can be conveniently taken out, the formed PVC-UH drain pipe can be conveniently discharged after cooling, and the formed PVC-UH drain pipe can be conveniently processed, and the cooling efficiency of the PVC-UH drain pipe can be conveniently processed.

The middle part of the cylinder body of the forming cylinder 13 is provided with cooling grooves 18, the middle parts of the side, close to the forming cylinder 13, of the forming cylinder 13 are provided with first connecting pipes 21 together, the first connecting pipes 21 are beneficial to connecting the cooling grooves 18 on the forming cylinder 13, the middle parts, close to the forming cylinder 13, of the forming cylinder 13 are provided with matched first through holes 19 corresponding to the inner annular surfaces of the first connecting pipes 21, the first through holes 19 on the forming cylinder 13 are communicated with the corresponding cooling grooves 18, the middle parts, far away from the forming cylinder 13, of the forming cylinder 13 are provided with second connecting pipes 22, one ends, far away from the second connecting pipes 22, of the second connecting pipes are fixedly provided with mounting pipes 23, the middle parts, far away from the forming cylinder 13, of the forming cylinder 13 are provided with matched second through holes 20 corresponding to the second connecting pipes 22, and the second through holes 20 are beneficial to communicating the cooling grooves 18 on the forming cylinder 13 with the second connecting pipes 22.

The second connecting block 12 is provided with a corresponding retaining groove 27 corresponding to the first connecting pipe 21 and the second connecting pipe 22, the retaining groove 27 on the second connecting block 12 is beneficial to limiting the first connecting pipe 21 and the second connecting pipe 22, the forming cylinders 13 penetrate through two side surfaces of the corresponding positions on the second connecting block 12, the second connecting block 12 is provided with corresponding retaining holes 26 corresponding to the forming cylinders 13, one end surface of the forming cylinders 13, which is close to the extruder main body 1, is fixedly provided with a sealing gasket 15 which is matched and attached, the forming cylinders 13 can fix and limit the sealing gasket 15, a baffle plate 14 is jointly fixed between one end surfaces of the forming cylinders 13, which are far away from the sealing gasket 15, of the baffle plate 14, and two ends of one side surface, which are far away from the forming cylinders 13, are respectively provided with an electric telescopic rod 25 corresponding to the movable disc 24.

The output rods of the electric telescopic rods 25 face the baffle plate 14, the output rods of the electric telescopic rods 25 penetrate through the two side surfaces of the corresponding positions on the baffle plate 14, one ends of the output rods of the electric telescopic rods 25, which are close to the movable disc 24, are fixedly connected with the corresponding positions on the corresponding movable disc 24, the electric telescopic rods 25 help to drive the movable disc 24 to move, the two ends of the upper surface of the second mounting plate 3 are fixedly provided with the fixing plates 4, the middle parts of the fixing plates 4 are rotatably provided with rotating rods 6 through bearings, the rotating rods 6 penetrate through the two side surfaces corresponding to the middle parts of the fixing plates 4, screw rods 7 are jointly fixed between the opposite ends of the rotating rods 6, the rotating rods 6 help to rotate and limit the screw rods 7, and the screw rods 7 penetrate through the two side surfaces of the middle parts of the movable blocks 8 and are in threaded connection with the middle parts of the movable blocks 8.

The upper surface of the movable block 8 is fixedly provided with a first connecting block 11, the upper surface of the first connecting block 11 is fixedly connected with the corresponding position of the lower surface of a second connecting block 12, the middle part of the lower surface of the movable block 8 is fixedly provided with a clamping block 9, the middle part of the upper surface of the second mounting plate 3 is provided with a clamping groove 10 which is matched with the clamping block 9, the clamping block 9 is positioned in the clamping groove 10 and is in sliding connection with the clamping groove 10 along the horizontal direction, the clamping groove 10 and the clamping block 9 are beneficial to limiting the movable block 8 and are convenient to stably move the movable block 8, the middle part of the side, away from the side surface of the movable block 8, of the fixed plate 4 is provided with a rotating motor 5, an output shaft of the rotating motor 5 faces the rotating rod 6 and is fixedly connected with the corresponding end of the rotating rod 6, and the rotating motor 5 is beneficial to driving the rotating rod 6 to rotate, and the rotating rod 6 is convenient to use.

The working principle of the invention is that in the using process, the lower surfaces of the first mounting plate 2 and the second mounting plate 3 are corresponding to the positions required to be used by the outside, so that the lower surfaces of the first mounting plate 2 and the second mounting plate 3 are in a matched and attached state, the corresponding positions of the first mounting plate 2 and the second mounting plate 3 and the outside are mounted, the first mounting plate 2 and the second mounting plate 3 are facilitated to be used stably, the first mounting plate 2 can support and limit the extruder main body 1, the extruder main body 1 is facilitated to be used stably, the second mounting plate 3 can support and limit all part components assembled on the second mounting plate 3, and the stable use of all part components assembled on the second mounting plate 3 is facilitated.

The PVC-UH raw materials, the stabilizing agent, the filling material and the lubricating agent after being mixed according to the proportion of 8:0.5:1:0.3 are placed into the extruder main body 1, the extruder main body 1 is opened, the extruder main body 1 can extrude the mixed PVC-UH raw materials, the stabilizing agent, the filling material and the lubricating agent into the forming cylinder 13 under the state that the extruder main body 1 is opened, the extruded PVC-UH drain pipe raw materials are positioned at the outer sides of the corresponding forming rods 16, the PVC-UH drain pipe raw materials are positioned between the forming cylinder 13 and the forming rods 16, and the forming cylinder 13 and the forming rods 16 are beneficial to forming the PVC-UH drain pipe raw materials.

The cooling rod 17 on the forming rod 16 is opened, the cooling rod 17 can cool the forming rod 16 in the state that the cooling rod 17 is opened, the cooling rod 17 is used for cooling and forming the inner side of a PVC-UH drain pipe raw material to be formed through the forming rod 16, the mounting pipes 23 on two sides are respectively arranged between the mounting pipes 23 and the outside pipelines for conveying and discharging cooling water, the outside pipelines for conveying the cooling water can convey the cooling water into the cooling groove 18 on the forming cylinder 13 through the mounting pipes 23, the second connecting pipes 22 and the second through holes 20, the cooling water can cool and form the outer side of a PVC-UH drain pipe raw material to be formed through the cooling groove 18 and the forming cylinder 13, the first connecting pipes 21 and the first through holes 19 can be communicated with the cooling groove 18 on the forming cylinder 13 so as to circulate the cooling water, the cooling water can be discharged through the second through holes 20 close to one side of the drain pipelines, the second connecting pipes 22 and the mounting pipes 23, the second connecting pipes 12 can limit the first connecting pipes 21 and the second connecting pipes 22 through the retaining grooves 27, the cooling water can be conveniently used for stabilizing the cooling efficiency of the first connecting pipes 21 and the second connecting pipes 22, and the cooling efficiency of the PVC-UH drain pipe raw material to be formed through the cooling groove 18, and the cooling efficiency of the forming raw material can be simultaneously improved, and the cooling efficiency of the cooling pipe can be stably formed through the cooling pipes and the cooling efficiency of the cooling pipe and the cooling pipe 17 and the cooling pipe.

After cooling and forming the PVC-UH drain pipe, the rotating motor 5 on the fixed plate 4 is opened, the fixed plate 4 can fix and limit the rotating motor 5, the rotating motor 5 is used stably, under the state that the rotating motor 5 is opened, the output shaft of the rotating motor 5 can drive the rotating rod 6 to rotate, the rotating rod 6 can drive the screw rod 7 to rotate when rotating, the fixed plate 4 can limit the screw rod 7 through the rotating rod 6, the screw rod 7 is convenient to rotate stably, the moving block 8 in threaded connection with the screw rod 7 can be moved along the horizontal direction when the screw rod 7 rotates, the clamping block 9 can be driven to move in the clamping groove 10 on the second mounting plate 3 when the moving block 8 moves along the horizontal direction, the second mounting plate 3 can limit the moving block 8 through the clamping groove 10 and the clamping block 9, and the moving block 8 is stably facilitated.

The movable block 8 can drive the first connecting block 11 to move along the horizontal direction when moving, the first connecting block 11 can drive the second connecting block 12 to move along the horizontal direction when moving along the horizontal direction, the second connecting block 12 can drive the forming cylinder 13 to move along the horizontal direction through the retaining hole 26 when moving along the horizontal direction, so that the empty forming cylinder 13 is moved to correspond to a discharge hole on the extruder main body 1, the forming cylinder 13 provided with the PVC-UH drain pipe after cooling forming is moved to be separated from the discharge hole on the extruder main body 1, the electric telescopic rod 25 corresponding to the forming cylinder 13 provided with the PVC-UH drain pipe after cooling forming is opened, the baffle 14 can fix and limit the electric telescopic rod 25, the electric telescopic rod 25 is convenient to use stably, the output rod of the electric telescopic rod 25 can drive the movable disc 24 to move along the horizontal direction under the state that the electric telescopic rod 25 is opened, and the movable disc 24 can drive the formed PVC-UH drain pipe to the outside of the forming cylinder 13 through the forming rod 16 when moving along the horizontal direction, so that the formed PVC-UH drain pipe can be taken out after forming.

In the use, help discharging the PVC-UH drain pipe after the cooling shaping, can be convenient cool forming to the PVC-UH drain pipe, help guaranteeing the work efficiency that carries out processing to the PVC-UH drain pipe.

Embodiment two:

The extruder main part 1 adopts screw extruder among the prior art, can rely on the rotatory pressure and the shearing force that produce of screw rod for the material fully carries out plasticization and even mixing, and extruder main part 1 includes extrusion pipe 101, extrusion pipe 101 can dock with shaping section of thick bamboo 13, extrusion pipe 101 is provided with butt joint dish 102 with the one end of shaping section of thick bamboo 13 butt joint.

Referring to fig. 11-13, this embodiment is an improvement based on the first embodiment, and is characterized in that a discharging mechanism is disposed on one side of the forming drum 13 near the extruder main body 1, the discharging mechanism includes a limiting frame, the limiting frame includes a partition plate 281 and a frame 282, the partition plate 281 is connected to one end of the two forming drums 13 provided with a sealing pad 15, the sealing pad 15 is abutted to one side of the partition plate 281, the frame 282 is disposed on the outer edge of the other side of the partition plate 281, the frame 282 and the partition plate 281 can be integrated or assembled, the frame 282 is adapted to the docking plate 102, when the second connecting block 12 is driven by the rotating motor 5 to move along the horizontal direction, the docking plate 102 can relatively move in the frame 282, for example, the docking plate 102 is a circular disc, the frame 282 is a waist-shaped hole, when the docking plate 102 is abutted to two sides of the frame 282, namely, the corresponding two forming drums 13 are abutted, the extrusion pipe 101 can extrude PVC-drain raw materials into the forming drum 13, thus the extrusion pipe 101 can be lifted to the same degree as the extrusion pipe 101, and the two end of the UH forming drum 13 can be prevented from being close to the end of the extrusion pipe 101 when the docking plate 101 is switched to the opposite to the end of the extrusion pipe 101 in the process of the extrusion pipe 13.

Secondly, the both sides of spacing all are provided with mounting bracket 29, and mounting bracket 29 also can be as an organic whole with frame 282, the both sides limit of frame 282 all is provided with the opening, slide in the opening and be provided with cutting off dish 30, cutting off dish 30 also slides and sets up in mounting bracket 29 to be provided with reset spring 31 between cutting off dish 30 and the mounting bracket 29, cutting off dish 30 and mounting bracket 29 correspond reset spring 31 and are provided with spring positioning post 32, in this embodiment, adopt two reset spring 31 structures, through this setting, under reset spring 31's effect, cutting off dish 30 can shelter from the exit end of shaping section of thick bamboo 13, and when rotating motor 5 drive second connecting block 12 moves along the horizontal direction, the butt joint dish 102 moves in frame 282, can promote cutting off dish 30 and remove, simultaneously make reset spring 31 compressed, when butt joint dish 102 moves to the butt joint with one of them shaping section of thick bamboo 13 side butt joint promptly, and when moving in the opposite direction to butt joint dish 102, cut off under reset spring 31's effect of cutting off the back 30 and shelter from the exit end of shaping section of thick bamboo 13 again, shaping effect in the shaping section of thick bamboo 13.

Further, a pushing groove 301 matched with the cutting disc 30 is arranged on one side of the cutting disc 30 facing the butt disc 102, the bottom wall of the pushing groove 301 is attached to a partition 281, a cutting edge 302 is arranged on one side of the bottom wall of the pushing groove 301 facing the butt disc 102, and the cutting edge 302 can cut off redundant PVC-UH drain pipe raw materials at the outlet end of the forming cylinder 13 when moving.

Secondly, in order not to influence the electric telescopic rod 25 to the ejection of compact of the PVC-UH drain pipe after the cooling shaping, the exit end that corresponds shaping section of thick bamboo 13 on cutting off the dish 30 is provided with the discharge port rather than the looks adaptation, discharge port department articulates has fly leaf 33 to be provided with the torsional spring and make fly leaf 33 seal the discharge port under normal condition, and when electric telescopic rod 25 promotes the ejection of compact of PVC-UH drain pipe, can open fly leaf 33, the fly leaf 33 seals the discharge port again under the effect of torsional spring after the ejection of compact is accomplished. Wherein, can also set up seal structure between fly leaf 33 and the discharge opening, promote the cooling shaping effect in the shaping section of thick bamboo 13.

The end surface of the movable plate 33 facing the butt plate 102 needs to be flush with the end surface of the broken plate facing the butt plate 102, so as to avoid affecting the movement of the forming cylinder 13.

Further, the discharging mechanism further comprises a discharging frame 34 and a movable material frame 35 which are positioned on two sides of the extruder main body 1, a square mounting groove is formed in the discharging hole, the movable plate 33 is hinged in the mounting groove and is hinged towards one side of the first mounting plate 2, the discharging frame 34 is arranged below the discharging side of the forming cylinder 13, a material receiving plate 341 is arranged on one side, close to the forming cylinder 13, of the discharging frame 34, one side, far away from the forming cylinder 13, of the material receiving plate 341 is inclined towards the first mounting plate 2, a material receiving elastic piece is arranged at the bottom of the material receiving plate 341 and the side wall of the discharging frame 34, the material receiving elastic piece can be made of a pressure spring, an elastic pad and the like, and the material receiving plate 341 can also be made of an elastic material, so that damage to the PVC-UH drain pipe in the discharging process is reduced.

Secondly, the bottom of the discharging frame 34 is hinged with a discharging plate 361, the discharging plate 361 is kept to be closed in a state of closing the lower outlet of the discharging frame 34 through a torsion spring, only when a certain weight of PVC-UH drain pipe is accumulated in the discharging frame 34, the discharging plate 361 is opened, one side of the discharging plate 361 close to the extruder main body 1 is hinged, two sides of the extruder main body 1 are provided with guide plates 37 corresponding to the lower position of the discharging frame 34, the guide plates 37 are right-angle triangular plates, the right-angle ends and the extruder main body 1 are connected with the first mounting plate 2, the connection strength of the extruder main body 1 and the first mounting plate 2 can be enhanced, the PVC-UH drain pipe can be guided into the movable material frame 35, a movable wheel 351 is arranged at the bottom of the movable material frame 35, the side door plates 351 are provided with an open state and a closed state, an embedded groove matched with the side door plates 351 is formed between the guide plates 37 and the first mounting plate 2, and when the side door plates 351 are in the open state, the embedded groove can be stretched into the embedded groove. During normal discharging, the side door plate 351 of the movable material frame 35 is inserted into the embedded groove to be butted with the first mounting plate 2, when a PVC-UH drain pipe with a certain weight is piled up in the discharging frame 34, the discharging plate 361 is opened, one non-hinged side of the discharging plate 361 is butted with the inclined surface of the guide plate 37, and the PVC-UH drain pipe can roll into the movable material frame 35 along a path formed by the discharging plate 361 and the guide plate 37.

In view of the foregoing, it will be evident to a person skilled in the art that the foregoing detailed disclosure may be presented by way of example only and may not be limiting. Although not explicitly described herein, those skilled in the art will appreciate that the present application contemplates numerous alternatives, improvements and modifications to the embodiments. Such alterations, improvements, and modifications are intended to be proposed by this application, and are intended to be within the spirit and scope of the exemplary embodiments of the application.

Furthermore, it should be appreciated that in the foregoing description of embodiments of the application, various features are grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure. However, this is not to say that a combination of these features is necessary, and it is entirely possible for a person skilled in the art to label some of the devices as separate embodiments to understand when reading this application. That is, embodiments of the present application may also be understood as an integration of multiple secondary embodiments. While each secondary embodiment is satisfied by less than all of the features of a single foregoing disclosed embodiment.

Finally, it is to be understood that the embodiments of the application disclosed herein are illustrative of the principles of embodiments of the present application. Other modified embodiments are also within the scope of the application. Accordingly, the disclosed embodiments are illustrative only and not limiting. Those skilled in the art can adopt alternative configurations to implement the application of the present application according to embodiments of the present application. Accordingly, embodiments of the application are not limited to the embodiments precisely described in the application.

Claims

The vacuum shaping, cooling and forming process of the PVC-UH drain pipe is characterized by comprising the following steps of:

mixing PVC-UH raw materials, a stabilizer, a filler and a lubricant according to the proportion of 8:0.5:1:0.3, and extruding the mixed PVC-UH raw materials into cooling forming equipment through an extruder;

Extruding the PVC-UH raw material into cooling forming equipment, and cooling and forming the PVC-UH raw material by the cooling forming equipment to obtain a PVC-UH drain pipe;

Step three, after cooling forming processing of the PVC-UH drain pipe is finished, further discharging the PVC-UH drain pipe after cooling forming processing, and after discharging the PVC-UH drain pipe, finishing processing of the PVC-UH drain pipe;

The cooling forming equipment comprises an extruder main body (1), wherein a first mounting plate (2) is mounted on the lower surface of the extruder main body (1), a second mounting plate (3) is fixed on one end surface of the first mounting plate (2) close to a discharge hole of the extruder main body (1), a moving block (8) is slidably mounted on the upper surface of the second mounting plate (3) along the horizontal direction, a second connecting block (12) is mounted on the upper surface of the moving block (8), forming cylinders (13) corresponding to the discharge holes on the extruder main body (1) are mounted in the middle parts of two ends of the second connecting block (12), moving discs (24) are slidably mounted in the forming cylinders (13) along the horizontal direction, forming rods (16) are fixed on the middle parts of the surfaces of the moving discs (24) close to one side of the extruder main body (1), and refrigerating rods (17) are mounted in the middle parts of the forming rods (16);

A sealing gasket (15) which is matched and attached to one end surface of the molding cylinder (13) close to the extruder main body (1) is fixed, a baffle plate (14) is fixed between one end surfaces of the molding cylinder (13) far away from the sealing gasket (15), and two ends of one side surface of the baffle plate (14) far away from the molding cylinder (13) are provided with electric telescopic rods (25) corresponding to the movable discs (24);

The second connecting block (12) can drive the forming cylinder (13) to move when moving so as to move the empty forming cylinder (13) to correspond to the discharge hole on the extruder main body (1), and move the forming cylinder (13) provided with the PVC-UH drain pipe after cooling forming to be separated from the discharge hole on the extruder main body (1);

The output rod of the electric telescopic rod (25) can drive the movable disc (24) to move along the horizontal direction, and when the movable disc (24) moves along the horizontal direction, the formed PVC-UH drain pipe can be driven by the forming rod (16) to move to the outer side of the forming cylinder (13);

The forming cylinders (13) are provided with a discharging mechanism close to one side of the extruder main body (1), the discharging mechanism comprises a limiting frame, the limiting frame comprises a partition plate (281) and a frame (282), the partition plate (281) is connected to one ends of the two forming cylinders (13) where sealing gaskets (15) are arranged, the sealing gaskets (15) are abutted to one side of the partition plate (281), and the frame (282) is arranged on the outer edge of the other side of the partition plate (281);

the extruder main body (1) comprises an extrusion pipe (101), one end of the extrusion pipe (101) which is in butt joint with the forming cylinder (13) is provided with a butt joint disc (102), and when the second connecting block (12) moves, the butt joint disc (102) can move in the frame (282);

The limiting device is characterized in that mounting frames (29) are arranged on two sides of the limiting frame, opening parts are arranged on two side edges of the frame (282), a cutting disc (30) is slidably arranged in the opening parts, a reset spring (31) is arranged between the cutting disc (30) and the mounting frames (29), a pushing groove (301) matched with the cutting disc is formed in one side, facing the butt joint disc (102), of the cutting disc (30), the bottom wall of the pushing groove (301) is attached to a partition plate (281), and a cutting edge (302) is arranged on one side, facing the butt joint disc (102), of the bottom wall of the pushing groove (301);

the cutting disc (30) can cover the outlet end of the forming cylinder (13);

The outlet end of the corresponding forming cylinder (13) on the cutting disc (30) is provided with a discharge hole matched with the forming cylinder, a movable plate (33) is hinged at the discharge hole, a torsion spring is arranged to enable the movable plate (33) to seal the discharge hole in a normal state, and when the electric telescopic rod (25) pushes the PVC-UH drain pipe to discharge, the movable plate (33) can be opened.
2. The vacuum shaping, cooling and forming process of the PVC-UH drain pipe according to claim 1, wherein in the cooling and forming equipment, cooling grooves (18) are formed in the middle of the barrel of the forming barrel (13), first connecting pipes (21) are commonly installed between the middle parts of the forming barrel (13) close to one side, matched first through holes (19) are formed in the inner annular surfaces of the first connecting pipes (21) corresponding to the middle parts of the forming barrel (13) close to one side, and the first through holes (19) on the forming barrel (13) are communicated with the corresponding cooling grooves (18).
3. The vacuum shaping, cooling and forming process of the PVC-UH drain pipe according to claim 2, wherein in the cooling and forming equipment, the middle parts of the sides of the forming cylinders (13) away from each other are provided with second connecting pipes (22), one ends of the second connecting pipes (22) away from each other are fixedly provided with mounting pipes (23), the middle parts of the sides of the forming cylinders (13) away from each other are provided with matched second through holes (20) corresponding to the second connecting pipes (22), and the second through holes (20) on the forming cylinders (13) are communicated with the corresponding cooling grooves (18).
4. A vacuum forming, cooling and molding process for PVC-UH drain pipes according to claim 3, wherein in the cooling and molding apparatus, the second connection block (12) is provided with a corresponding retention groove (27) corresponding to the first connection pipe (21) and the second connection pipe (22), the molding cylinders (13) penetrate through two side surfaces of the corresponding positions on the second connection block (12), and the second connection block (12) is provided with corresponding retention holes (26) corresponding to the molding cylinders (13).
5. The vacuum forming, cooling and molding process for the PVC-UH drain pipe according to claim 4, wherein in the cooling and molding equipment, output rods of the electric telescopic rods (25) face the baffle plate (14), the output rods of the electric telescopic rods (25) penetrate through two side surfaces of corresponding positions on the baffle plate (14), and one ends of the output rods of the electric telescopic rods (25) close to the movable disc (24) are fixedly connected with the corresponding positions on the corresponding movable disc (24).
6. The vacuum forming, cooling and forming process for the PVC-UH drain pipe according to claim 5, wherein in the cooling and forming equipment, fixing plates (4) are fixed at two ends of the upper surface of the second mounting plate (3), rotating rods (6) are rotatably installed in the middle of the fixing plates (4) through bearings, the rotating rods (6) penetrate through two side surfaces corresponding to the middle of the fixing plates (4), screw rods (7) are jointly fixed between opposite ends of the rotating rods (6), and the screw rods (7) penetrate through two side surfaces of the middle of the moving block (8) and are in threaded connection with the middle of the moving block (8).
7. The vacuum forming, cooling and forming process of the PVC-UH drain pipe according to claim 6, wherein in the cooling and forming equipment, a first connecting block (11) is fixed on the upper surface of the moving block (8), the upper surface of the first connecting block (11) is fixedly connected with the corresponding position of the lower surface of the second connecting block (12), a clamping block (9) is fixed in the middle of the lower surface of the moving block (8), a clamping groove (10) matched with the clamping block (9) is formed in the middle of the upper surface of the second mounting plate (3), and the clamping block (9) is positioned in the clamping groove (10) and is in sliding connection with the clamping groove (10) along the horizontal direction.
8. The vacuum forming, cooling and molding process for the PVC-UH drain pipe according to claim 7, wherein in the cooling and molding equipment, a rotating motor (5) is arranged at the middle part of the surface of one side of the fixed plate (4) which is far away from the moving block (8) and corresponds to the rotating rod (6), and an output shaft of the rotating motor (5) faces the rotating rod (6) and is fixedly connected with the opposite end on the corresponding rotating rod (6).