CN116766357B - A porous sintered brick extruder - Google Patents
A porous sintered brick extruderInfo
- Publication number
- CN116766357B CN116766357B CN202310728115.1A CN202310728115A CN116766357B CN 116766357 B CN116766357 B CN 116766357B CN 202310728115 A CN202310728115 A CN 202310728115A CN 116766357 B CN116766357 B CN 116766357B
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- China
- Prior art keywords
- extrusion
- support
- brick
- die
- section
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/22—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded by screw or worm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
- B28B3/2654—Means for heating or cooling the die
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
本申请提供了一种多孔烧结砖挤出机，涉及制砖设备领域，包括进料斗、挤压筒、挤压螺杆、螺杆驱动件、挤压模头和加热单元，所述挤压筒中形成有挤压腔，所述进料斗与所述挤压腔连通，所述挤压螺杆设于所述挤压腔中，且所述挤压螺杆的一端自所述挤压筒的一端伸出并与所述螺杆驱动件连接，所述挤压模头与所述挤压筒的另一端连接，且所述挤压螺杆的另一端可转动的连接在所述挤压筒的靠近所述挤压模头的一端上，所述加热单元套设于所述挤压模头的外侧。本申请具有便于控制挤出的砖坯的含水量，以保证挤出的砖坯不易形变的效果。
The present application provides a porous sintered brick extruder, which relates to the field of brick-making equipment and includes a feed hopper, an extrusion barrel, an extrusion screw, a screw drive, an extrusion die head, and a heating unit. An extrusion chamber is formed in the extrusion barrel, the feed hopper is connected to the extrusion chamber, the extrusion screw is arranged in the extrusion chamber, and one end of the extrusion screw extends from one end of the extrusion barrel and is connected to the screw drive unit. The extrusion die head is connected to the other end of the extrusion barrel, and the other end of the extrusion screw is rotatably connected to the end of the extrusion barrel near the extrusion die head. The heating unit is sleeved on the outside of the extrusion die head. The present application has the effect of facilitating the control of the moisture content of the extruded brick blanks to ensure that the extruded brick blanks are not easily deformed.
Description
Technical Field
The application relates to the field of brick making equipment, in particular to a porous sintered brick extruder.
Background
The brick extruder is a device for producing brick materials, which can extrude and shape the brick making raw materials such as clay, shale, coal gangue, fly ash and the like mixed with water, and continuously output brick blanks to be cut, and has the characteristic of high production speed.
In general, in order to facilitate the extrusion of green bricks, more water is added into the raw materials for making bricks, so that when the raw materials for making bricks are extruded by a baked brick extruder to form continuous green bricks (particularly green bricks of hollow bricks), the green bricks are easy to collapse and deform due to high water content, and in the subsequent green brick cutting process, the condition that the end parts of the brick holes in the hollow green bricks are blocked due to rough arrangement is easy to occur.
In view of this, there is a need for a porous sintered brick extruder.
Disclosure of Invention
In order to solve the problem that extruded green bricks are easy to deform and collapse due to high water content, the application provides a porous sintered brick extruder.
The application provides a porous sintered brick extruder which adopts the following technical scheme that the porous sintered brick extruder comprises a feed hopper, an extrusion barrel, an extrusion screw, a screw driving piece, an extrusion die head and a heating unit, wherein an extrusion cavity is formed in the extrusion barrel, the feed hopper is communicated with the extrusion cavity, the extrusion screw is arranged in the extrusion cavity, one end of the extrusion screw extends out from one end of the extrusion barrel and is connected with the screw driving piece, the extrusion die head is connected with the other end of the extrusion barrel, the other end of the extrusion screw is rotatably connected to one end of the extrusion barrel, which is close to the extrusion die head, and the heating unit is sleeved outside the extrusion die head.
Through adopting the technical scheme, the brick making raw material passing through the extrusion die head can be heated through the heating unit arranged on the outer side of the extrusion die head, so that the temperature of the extruded brick blank is higher, the evaporation of water in the brick blank is facilitated, the water content in the brick blank can be reduced, the strength of the brick blank is improved, the brick blank is not easy to deform, and because the brick blank of the hollow brick is provided with the brick hole structure, the water vapor evaporated in the brick blank of the hollow brick can be discharged along the brick hole, the deformation of the brick blank is not easy to cause, the inside of the brick blank, particularly the water at the brick hole can be reduced, the inside of the brick blank is also not easy to deform, and the end face of the brick hole is not easy to be blocked and can have higher glossiness.
Further, still include humidity transducer and controller, humidity transducer locates the feeder hopper with the junction in extrusion chamber, just humidity transducer with the controller electricity is connected, the controller still with the heating unit electricity is connected, so as to control heating unit's start-stop and heating temperature.
Through adopting above-mentioned technical scheme, be convenient for realize the humidity detection to the brickmaking raw materials of feeder hopper to whether can confirm according to humidity size whether need open heating unit and heat the heating temperature of officer, thereby can be convenient for realize the adjustment and the control to the moisture in the adobe.
Further, still include the air supply unit, the air supply unit is located extrusion die's exit end department, the air supply unit includes air-blower and vapor chamber, the air-blower with vapor chamber is connected, from the adobe that extrusion die's exit end extruded can follow in the vapor chamber, just the vapor chamber is gone up towards one side of adobe is equipped with the gas outlet groove.
By adopting the technical scheme, the water loss speed of the surface of the green brick can be increased, so that the surface of the green brick can be quickly hardened, and the condition that the green brick collapses is difficult to occur.
The extrusion screw comprises rotating shafts, extrusion threads and eccentric extrusion rods, wherein the rotating shafts, the extrusion threads and the eccentric extrusion rods are arranged at two ends, the two sections of the rotating shafts are coaxially arranged, the rotating shafts of the two sections of the rotating shafts are coincident with the central shaft of the extrusion cavity, the eccentric extrusion rods and the rotating shafts are eccentrically arranged, and the extrusion threads are wound on the eccentric extrusion rods and are coaxially arranged with the eccentric extrusion rods.
Through adopting above-mentioned technical scheme, can form high-pressure region and low pressure region through eccentric extrusion pole in the extrusion chamber to be convenient for extrude brickmaking raw materials from high pressure region to low pressure region, thereby be difficult for appearing the condition that brickmaking raw materials blocks in the extrusion chamber.
Specifically, one end of the extrusion cylinder, which is close to the extrusion die head, is provided with a screw support frame, the screw support frame comprises a support ring and a plurality of support rods, one end of each support rod is connected with the support ring, the other end of each support rod is connected with the inner wall of the extrusion cylinder, and the circle center of the support ring is positioned on the central shaft of the extrusion cavity.
By adopting the technical scheme, the support for the extrusion screw can be formed.
Specifically, one side of the supporting rod far away from the extrusion die head is provided with a supporting frame material distributing convex strip which protrudes towards the direction far away from the extrusion die head, and one side of the supporting rod near the extrusion die head is provided with a supporting frame material collecting convex strip which protrudes towards the direction near the extrusion die head.
By adopting the technical scheme, the brick making raw materials can be split by the support frame material distribution convex strips when passing through the support rods, so that the force applied to the support rods towards the extrusion die head direction by the brick making raw materials in the moving process can be reduced, the support rods are not easy to break, and the brick making raw materials can be gathered together against the surfaces of the support frame material gathering convex strips after passing through the support frame material distribution convex strips, so that the condition that the brick making raw materials form a cavity inside after passing through the support rods can be prevented.
Specifically, the extrusion die head comprises an extrusion section, a forming section and a pore-forming die, one end of the extrusion section is connected with the extrusion barrel, the other end of the extrusion section is connected with the forming section, and the pore-forming die is arranged between the extrusion barrel and the extrusion section.
By adopting the technical scheme, when the brick making raw materials pass through the extrusion section, the brick making raw materials can be extruded by the inner wall of the extrusion section, so that the bonding strength between the brick making raw materials can be improved, the extruded brick blank has higher strength and is not easy to deform, and the molding section can limit the extrusion of the brick making raw materials into a set shape.
Specifically, the pore-forming mould comprises a supporting screen plate and a pore-forming mould rod, wherein the supporting screen plate comprises a sealing frame strip and a plurality of warp-direction supporting strips and weft-direction supporting strips which are connected in the sealing frame strip, the connecting parts of the warp-direction supporting strips and the weft-direction supporting strips are provided with mould rod connecting parts, and the pore-forming mould rod is detachably connected with the mould rod connecting parts.
By adopting the technical scheme, the hole forming die rod can be fixed at a set position through the supporting net plate, so that a brick hole can be formed in a brick blank through the hole forming die rod.
Specifically, the edge sealing frame strip is abutted between the extrusion barrel and the extrusion section, a screen plate material distributing convex strip which is protruded towards the direction away from the extrusion die head is arranged on one side of the warp direction support strip and the weft direction support strip away from the extrusion die head, and a screen plate material collecting convex strip which is protruded towards the direction close to the extrusion die head is arranged on one side of the warp direction support strip and the weft direction support strip close to the extrusion die head.
By adopting the technical scheme, the force applied to the supporting screen plate by the brick making raw materials in the moving process towards the extrusion section direction can be reduced through the screen plate material distributing convex strips, so that the supporting screen plate is not easy to damage, and the brick making raw materials can move and gather together against the surfaces of the screen plate material gathering convex strips under the extrusion action of the inner wall of the extrusion section after passing through the supporting screen plate, so that the situation that layering cannot occur in extruded green bricks can be ensured.
Specifically, all be equipped with the intake duct in the banding frame strip warp direction support strip and the latitudinal direction support strip, be equipped with in the pore-forming die pole run through in the air outlet channel of the length direction of pore-forming die pole, still be equipped with the air inlet on the banding frame strip, the air inlet with the intake duct intercommunication, just the intake duct with the air outlet channel intercommunication.
Through adopting above-mentioned technical scheme, can be convenient for ventilate in the brick hole to the adobe to the steam in the adobe is taken out through the brick hole.
In summary, the present application includes at least one of the following beneficial effects:
1. The brick making raw material passing through the extrusion die head can be heated through the heating unit arranged at the outer side of the extrusion die head, so that the temperature of the extruded brick blank is higher, the evaporation of water in the brick blank is facilitated, the water content in the brick blank can be reduced, the strength of the brick blank is improved, and the brick blank is not easy to deform;
2. The design of air supply unit can accelerate the water loss speed on adobe surface for the surface of adobe can be faster harden, and the design of the air inlet channel in the support otter board and the air outlet channel in the pore-forming die pole can be convenient for ventilate in the brick hole to the adobe, so that take out the steam in the adobe through the brick hole, thereby be difficult for the condition that the adobe collapsed to appear.
Drawings
FIG. 1 is a perspective view of a porous sintered brick extruder of the present application;
FIG. 2 is a vertical cross-sectional view of a porous sintered brick extruder of FIG. 1 showing specific structure within the extrusion barrel;
FIG. 3 is an enlarged view of area A of FIG. 2;
FIG. 4 is a cross-sectional view taken along the direction B-B in FIG. 2, showing the screw support frame and support screen;
FIG. 5 is a cross-sectional view taken along the direction C-C of FIG. 4 showing the cross-sections of the support bars and warp support bars.
The reference numerals are 1, a feed hopper, 2, an extrusion cylinder, 21, an extrusion cavity, 22, a screw support, 221, a support ring, 222, a support rod, 2221, a support frame distributing convex strip, 2222, a support frame collecting convex strip, 3, an extrusion screw, 31, a rotating shaft, 32, an extrusion thread, 33, an eccentric extrusion rod, 4, a screw driving piece, 5, an extrusion die head, 51, an extrusion section, 52, a forming section, 53, a pore forming die, 531, a support screen, 5311, a sealing frame strip, 5312, a warp support strip, 5313, a weft support strip, 5314, a die rod connecting part, 5315, a screen distributing convex strip, 5316, a screen collecting convex strip, 5317, an air inlet channel, 5318, an air inlet, 532, a pore forming die rod, 5321, an air outlet channel, 6, a heating unit, 7, a humidity sensor, 8, a controller, 9, an air supply unit, 91, a blower, 92, an air ring, 921 and an air outlet groove.
Detailed Description
Fig. 1 is a perspective view of a porous sintered brick extruder of the present application, and fig. 2 is a sectional view of the porous sintered brick extruder of fig. 1 in a vertical direction, showing a specific structure within an extrusion barrel. Referring to fig. 1 and 2, the porous sintered brick extruder provided by the present application comprises a feed hopper 1, an extrusion barrel 2, an extrusion screw 3, a screw driving member 4, an extrusion die head 5 and a heating unit 6, specifically, an extrusion chamber 21 adapted to contain a brick making raw material is formed in the extrusion barrel 2, and the feed hopper 1 is provided at one end of the extrusion barrel 2 and communicates with the extrusion chamber 21 so as to be able to facilitate the feeding of the brick making raw material into the extrusion chamber 21.
The extrusion screw 3 is arranged in the extrusion cavity 21, one end of the extrusion screw 3 extends out from one end of the extrusion barrel 2 and is connected with the screw driving piece 4 (the screw driving piece 4 can be a driving motor), the extrusion die head 5 is connected with the other end of the extrusion barrel 2, and the other end of the extrusion screw 3 is rotatably connected to one end of the extrusion barrel 2, which is close to the extrusion die head 5, so that the extrusion screw 3 can rotate in the extrusion cavity 21 under the driving of the screw driving piece 4, and thus brickmaking raw materials can be driven to move towards the extrusion die head 5 in the extrusion cavity 21, and the brickmaking raw materials can be extruded into green bricks under the extrusion action of the extrusion die head 5 and the extrusion screw 3 when passing through the extrusion die head 5.
In addition, the heating unit 6 is sleeved on the outer side of the extrusion die head 5, so that the brick making raw materials passing through the extrusion die head 5 can be heated through the heating unit 6, after the brick making raw materials are extruded to form green bricks, the moisture on the surfaces of the green bricks is easy to evaporate, so that the purpose of reducing the water in the green bricks is achieved, the green bricks are not easy to deform and collapse, it can be understood that the vapor evaporated in the green bricks of the hollow bricks can be discharged along the brick holes, the deformation of the green bricks is not easy to be caused, the moisture in the green bricks, particularly the moisture in the brick holes can be reduced, and therefore, when the green bricks are cut later, the inside of the green bricks is also not easy to deform, and the end faces of the brick holes are not easy to be blocked and can have higher glossiness.
As shown in fig. 2, in order to facilitate the detection of moisture in the brick making raw material, the porous sintered brick extruder of the present application further comprises a humidity sensor 7 and a controller 8, wherein the humidity sensor 7 may be disposed at the connection between the feed hopper 1 and the extrusion chamber 21 to be able to detect the moisture content of the brick making raw material entering into the extrusion chamber 21, and the humidity sensor 7 is electrically connected with the controller 8 to be able to transmit the humidity (moisture content) value detected by the humidity sensor 7 to the controller 8, and the controller 8 is further electrically connected with the heating unit 6, so that the controller 8 is able to control the start and stop of the heating unit 6 and the heating temperature according to the humidity (moisture content) value, if the magnitude of the humidity (moisture content) value is less than or equal to the set green brick moisture content value, the heating unit 6 is not started, and if the magnitude of the humidity (moisture content) value is greater than the set green brick moisture content value, the heating unit 6 is started, and the heating temperature of the heating unit 6 is greater than 95 ℃ to prevent the evaporation of a large amount of the brick making raw material from causing air pockets and quality defects.
Specifically, as shown in fig. 2, the heating unit 6 sleeved outside the extrusion die 5 is a sleeve structure matched with the shape of the extrusion die 5, a containing cavity suitable for containing heating medium is formed in the sleeve structure, a liquid inlet and a liquid outlet communicated with the containing cavity are formed in the sleeve structure, the sleeve structure is connected with the circulating electric heater through the liquid inlet and the liquid outlet, and the heating medium can be heated and circulated by the circulating electric heater, so that the heating of the extrusion die 5 is realized, and the circulating electric heater is not described in detail in the prior art.
As shown in fig. 1 and 2, the porous sintered brick extruder of the present application further includes an air supply unit 9, where the air supply unit 9 is disposed at the outlet end of the extrusion die 5, the air supply unit 9 may be configured to include an air blower 91 and an air equalizing ring 92, where the air blower 91 is connected to the air equalizing ring 92, the green brick extruded from the outlet end of the extrusion die 5 can pass through the air equalizing ring 92, and an air outlet groove 921 is disposed on a side of the air equalizing ring 92 facing the green brick, so that the air blown out by the air blower 91 can be uniformly blown to the outer surface of the green brick, thereby accelerating the water loss rate of the green brick surface, and enabling the surface of the green brick to be hardened more quickly, so that the green brick is not easy to collapse.
Referring to fig. 2, specifically, the extrusion screw 3 comprises a rotating shaft 31, an extrusion thread 32 and an eccentric extrusion rod 33 which are arranged at two ends, wherein the two sections of the rotating shafts 31 are coaxially arranged, the rotating shafts 31 of the two sections of the rotating shafts 31 are coincided with the central shaft of the extrusion cavity 21, so that the stability of the extrusion screw 3 during rotation can be ensured, scraping can not occur between the extrusion screw 3 and the extrusion cavity 21, the eccentric extrusion rod 33 is eccentrically arranged with the rotating shaft 31, the extrusion thread 32 is wound on the eccentric extrusion rod 33 and is coaxially arranged with the eccentric extrusion rod 33, the distance between the extrusion thread 32 and the inner wall of the extrusion barrel 2 is unchanged in the rotation process of the extrusion screw 3, the situation that the space between the extrusion thread 32 and the inner wall of the extrusion barrel 2 is changed, the situation that brickmaking raw materials cannot be effectively pushed can be avoided at a larger space between the extrusion thread 32 and the inner wall of the extrusion barrel 2, and a high-pressure area and a low-pressure area can be formed in the extrusion cavity 21 through the eccentric extrusion rod 33, so that the brickmaking raw materials are pushed from the high-pressure area to the low-pressure area, and the situation that the brickmaking raw materials are not easily blocked in the extrusion cavity 21 can be avoided.
Fig. 3 is an enlarged view of a region a in fig. 2, and fig. 4 is a sectional view of a direction B-B in fig. 2, showing a screw support frame and a support screen, as shown in fig. 3 and 4, it is understood that a screw support frame 22 is required to be provided at one end of the extrusion cylinder 2 near the extrusion die 5 to support the extrusion screw 3, specifically, the screw support frame 22 includes a support ring 221 and a plurality of support rods 222, one end of each support rod 222 is connected to the support ring 221, the other end is connected to the inner wall of the extrusion cylinder 2, and the center of the support ring 221 is located on the center axis of the extrusion cavity 21.
Fig. 5 is a cross-sectional view in the direction C-C of fig. 4, which shows a cross-section of the support bar and the warp direction support bar, referring to fig. 5, a support frame distributing protrusion 2221 protruding in a direction away from the extrusion die 5 is provided on a side of the support bar 222 away from the extrusion die 5, and a support frame converging protrusion 2222 protruding in a direction close to the extrusion die 5 is provided on a side of the support bar 222 close to the extrusion die 5, so that the brick making raw material can be split by the support frame distributing protrusion 2221 when passing through the support bar 222, and thus the force applied to the support bar 222 in the direction of the extrusion die 5 by the brick making raw material during the moving process can be reduced, so that the support bar 222 is not easily broken, and the brick making raw material can be converged against the surface of the support frame converging protrusion 2222 after passing through the support bar 222, so that the condition of forming a cavity inside after passing through the support bar 222 can be prevented.
See fig. 3 and 5. The extrusion die head 5 comprises an extrusion section 51, a forming section 52 and a hole forming die 53, one end of the extrusion section 51 is connected with the extrusion barrel 2, the other end of the extrusion section is connected with the forming section 52, the hole forming die 53 is arranged between the extrusion barrel 2 and the extrusion section 51, when brickmaking raw materials pass through the extrusion section 51, the brickmaking raw materials can be extruded by the inner wall of the extrusion section 51, the bonding strength between the brickmaking raw materials can be improved, the extruded green bricks are higher in strength and not easy to deform, and the forming section 52 can limit the extrusion of the brickmaking raw materials into a set shape.
As shown in fig. 2 and 3, in particular, the hole forming mold 53 may be configured to include a support screen 531 and a hole forming mold bar 532, the support screen 531 includes a frame strip 5311 and a plurality of warp support bars 5312 and weft support bars 5313 connected in the frame strip 5311, a mold bar connection portion 5314 is provided at the connection of the warp support bars 5312 and the weft support bars 5313, the mold bar connection portion 5314 may be a sleeve structure and provided with an internal thread structure in the interim, and a matched external thread structure is provided at one end of the hole forming mold bar 532 to enable detachable connection between the hole forming mold bar 532 and the mold bar connection portion 5314, and the hole forming mold bar 532 may be fixed at a set position through the support screen 531 to enable formation of a tile hole in a tile blank through the hole forming mold bar 532.
As shown in fig. 3, the portion of the extrusion die 5 connected to the extrusion barrel 2 may be configured as a flange structure, and the edge sealing frame 5311 may also be configured as a flange structure, so that the edge sealing frame 5311 can be abutted between the extrusion barrel 2 and the extrusion section 51, so as to facilitate the connection between the extrusion barrel 2 and the supporting screen 531 and the extrusion die 5.
In addition, referring to fig. 5, the side of the warp support bar 5312 and the weft support bar 5313 far from the extrusion die 5 is provided with the screen plate material distribution convex strip 5315 protruding towards the direction far from the extrusion die 5, and the side of the warp support bar 5312 and the weft support bar 5313 near to the extrusion die 5 is provided with the screen plate material collection convex strip 5316 protruding towards the direction near to the extrusion die 5, the force applied by the screen plate material distribution convex strip 5315 to the support screen plate 531 towards the extrusion section direction in the moving process of the brick making raw material can be reduced, so that the support screen plate 531 is not damaged easily, and after the brick making raw material passes through the support screen plate 531, the brick making raw material can move and collect together under the extrusion action of the inner wall of the extrusion section 51 against the surface of the screen plate material collection convex strip 5316, so that the situation of layering in the extruded brick blank can be ensured not to occur, and the quality of the brick blank can be ensured.
It can be appreciated that, as shown in fig. 3 and 4, the edge sealing frame strip 5311, the warp supporting strip 5312 and the weft supporting strip 5313 are respectively provided with an air inlet 5317, the hole forming die rod 532 is provided with an air outlet 5321 penetrating through the hole forming die rod 532 in the length direction, the edge sealing frame strip 5311 is also provided with an air inlet 5318, the air inlet 5318 is communicated with the air inlet 5317, and the air inlet 5317 is communicated with the air outlet 5321, so that external air can enter the air inlet 5317 through the air inlet 5318 and flow out of the tail end of the hole forming die rod 5321, ventilation is realized in the brick hole of the brick blank, so that water vapor in the brick blank can be conveniently carried out through the brick hole, the situation that the brick blank collapses is difficult to occur, and the end face of the brick hole is difficult to be blocked and has higher glossiness is ensured.
The working principle of the porous sintered brick extruder is as follows:
Through the heating unit 6 arranged on the outer side of the extrusion die head 5, brickmaking raw materials passing through the extrusion die head 5 can be heated, so that the temperature of extruded green bricks is higher, the evaporation of moisture in the green bricks is facilitated, the purposes of reducing the moisture content in the green bricks and improving the green brick strength are achieved, and the green bricks are not easy to deform.
The design of the air supply unit 9 can accelerate the water loss rate on the surface of the green brick, so that the surface of the green brick can be quickly hardened, and the design of the air inlet channel 5317 in the supporting screen plate 531 and the air outlet channel 5321 in the pore-forming mold rod 532 can facilitate ventilation into the green brick hole of the green brick, so that water vapor in the green brick is conveniently brought out through the green brick hole, the condition that the green brick collapses is difficult to occur, and the moisture in the green brick, particularly in the green brick hole, can be reduced, so that deformation is also difficult to occur in the green brick when the green brick is cut later, and the end face of the green brick hole is difficult to be blocked and has higher light integrity.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (6)
1. The utility model provides a porous baked brick extruder, its characterized in that includes feeder hopper (1), extrusion section of thick bamboo (2), extrusion screw rod (3), screw rod driving piece (4), extrusion die (5) and heating unit (6), be formed with extrusion chamber (21) in extrusion section of thick bamboo (2), feeder hopper (1) with extrusion chamber (21) intercommunication, extrusion screw rod (3) are located in extrusion chamber (21), and one end of extrusion screw rod (3) is followed one end of extrusion section of thick bamboo (2) stretches out and is connected with screw rod driving piece (4), extrusion die (5) with the other end of extrusion section of thick bamboo (2) is connected, just the rotatable connection of the other end of extrusion screw rod (3) is in on the one end that is close to extrusion die (5) of extrusion section of thick bamboo (2), heating unit (6) cover are located the outside of extrusion die (5).
The extrusion die head (5) comprises an extrusion section (51), a forming section (52) and a hole forming die (53), one end of the extrusion section (51) is connected with the extrusion barrel (2), the other end of the extrusion section is connected with the forming section (52), and the hole forming die (53) is arranged between the extrusion barrel (2) and the extrusion section (51);
the pore-forming die (53) comprises a supporting screen plate (531) and pore-forming die rods (532), the supporting screen plate (531) comprises a sealing frame strip (5311) and a plurality of warp direction supporting strips (5312) and weft direction supporting strips (5313) which are connected in the sealing frame strip (5311), a die rod connecting part (5314) is arranged at the joint of the warp direction supporting strips (5312) and the weft direction supporting strips (5313), and the pore-forming die rods (532) are detachably connected with the die rod connecting part (5314);
The edge sealing frame strip (5311) is abutted between the extrusion barrel (2) and the extrusion section (51), a screen plate material distributing convex strip (5315) protruding towards the direction away from the extrusion die head (5) is arranged on one side, away from the extrusion die head (5), of the warp direction support strip (5312) and the weft direction support strip (5313), and a screen plate material collecting convex strip (5316) protruding towards the direction close to the extrusion die head (5) is arranged on one side, close to the extrusion die head (5), of the warp direction support strip (5312) and the weft direction support strip (5313);
The edge sealing frame strip (5311) is characterized in that air inlets (5317) are formed in the warp-direction support strips (5312) and the weft-direction support strips (5313), air outlets (5321) penetrating through the hole forming die rods (532) in the length direction are formed in the hole forming die rods (532), air inlets (5318) are further formed in the edge sealing frame strip (5311), the air inlets (5318) are communicated with the air inlets (5317), and the air inlets (5317) are communicated with the air outlets (5321).
2. The porous sintered brick extruder according to claim 1, further comprising a humidity sensor (7) and a controller (8), wherein the humidity sensor (7) is arranged at the joint of the feed hopper (1) and the extrusion cavity (21), the humidity sensor (7) is electrically connected with the controller (8), and the controller (8) is further electrically connected with the heating unit (6) so as to control the start and stop of the heating unit (6) and the heating temperature.
3. The porous sintered brick extruder according to claim 1 or 2, further comprising an air supply unit (9), wherein the air supply unit (9) is arranged at the outlet end of the extrusion die head (5), the air supply unit (9) comprises a blower (91) and an air equalizing ring (92), the blower (91) is connected with the air equalizing ring (92), a green brick extruded from the outlet end of the extrusion die head (5) can pass through the air equalizing ring (92), and an air outlet groove (921) is formed in one side, facing the green brick, of the air equalizing ring (92).
4. The porous baked brick extruder according to claim 1, wherein the extrusion screw (3) comprises a rotating shaft (31), extrusion threads (32) and an eccentric extrusion rod (33) which are arranged at two ends, wherein the two rotating shafts (31) are coaxially arranged, the rotating shafts of the two rotating shafts are coincident with the central axis of the extrusion cavity (21), the eccentric extrusion rod (33) is eccentrically arranged with the rotating shaft (31), and the extrusion threads (32) are wound on the eccentric extrusion rod (33) and are coaxially arranged with the eccentric extrusion rod (33).
5. The porous sintered brick extruder according to claim 4, wherein a screw support (22) is provided at one end of the extrusion cylinder (2) near the extrusion die head (5), the screw support (22) comprises a support ring (221) and a plurality of support rods (222), one end of each support rod (222) is connected with the support ring (221), the other end is connected with the inner wall of the extrusion cylinder (2), and the center of the support ring (221) is located on the central axis of the extrusion cavity (21).
6. The porous sintered brick extruder according to claim 5, wherein a support frame material-distributing convex strip (2221) protruding in a direction away from the extrusion die (5) is provided on a side of the support rod (222) away from the extrusion die (5), and a support frame material-collecting convex strip (2222) protruding in a direction close to the extrusion die (5) is provided on a side of the support rod (222) close to the extrusion die (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310728115.1A CN116766357B (en) | 2023-06-19 | 2023-06-19 | A porous sintered brick extruder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310728115.1A CN116766357B (en) | 2023-06-19 | 2023-06-19 | A porous sintered brick extruder |
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| CN116766357A CN116766357A (en) | 2023-09-19 |
| CN116766357B true CN116766357B (en) | 2025-10-24 |
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Citations (4)
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|---|---|---|---|---|
| CN105773797A (en) * | 2014-12-23 | 2016-07-20 | 佛山市宝航机械装备行业知识产权服务有限公司 | Extruder opening suitable for producing hollow square bricks and with wetting systems |
| CN208179872U (en) * | 2018-02-07 | 2018-12-04 | 福建省乐鑫新型建材有限公司 | A kind of pressurizing unit with humidity regulation function |
| CN111168819A (en) * | 2019-12-09 | 2020-05-19 | 云霄县福兴诚新型建材有限公司 | A brick extruder tool for producing hollow wave bricks |
| CN214490965U (en) * | 2021-01-19 | 2021-10-26 | 曲靖市沾益区祥达建材有限公司 | Multifunctional extrusion head for brick making machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1166515A (en) * | 1967-11-24 | 1969-10-08 | Joseph Phillip Aiken | Production of Hardened Brick Products |
| DE2030578A1 (en) * | 1970-06-20 | 1971-12-30 | Bayer | Method and device for the continuous production and / or wrapping of extruded profiles |
| JP4670174B2 (en) * | 2000-06-30 | 2011-04-13 | 株式会社デンソー | Ceramic sheet forming method and forming apparatus |
| KR101680006B1 (en) * | 2016-03-10 | 2016-12-06 | (주)한도기공 | Mobile extruder having cooling water circulation hole in the inner of the extrueion cylinder |
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- 2023-06-19 CN CN202310728115.1A patent/CN116766357B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773797A (en) * | 2014-12-23 | 2016-07-20 | 佛山市宝航机械装备行业知识产权服务有限公司 | Extruder opening suitable for producing hollow square bricks and with wetting systems |
| CN208179872U (en) * | 2018-02-07 | 2018-12-04 | 福建省乐鑫新型建材有限公司 | A kind of pressurizing unit with humidity regulation function |
| CN111168819A (en) * | 2019-12-09 | 2020-05-19 | 云霄县福兴诚新型建材有限公司 | A brick extruder tool for producing hollow wave bricks |
| CN214490965U (en) * | 2021-01-19 | 2021-10-26 | 曲靖市沾益区祥达建材有限公司 | Multifunctional extrusion head for brick making machine |
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| CN116766357A (en) | 2023-09-19 |
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