CN112792179A

CN112792179A - Bending mechanism

Info

Publication number: CN112792179A
Application number: CN202011482989.6A
Authority: CN
Inventors: 冼华勇; 刘林翰; 鲁鹏; 王鹏鹏; 张秀峰; 张天翼
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-05-14

Abstract

The invention provides a bending mechanism for bending a pipe, which comprises: the first die is movably arranged along a preset direction, and a plurality of bearing parts are arranged on the first die; the second die is provided with a plurality of clamping parts, the plurality of clamping parts and the plurality of bearing parts are arranged in a one-to-one correspondence manner, the bearing parts are communicated with the clamping parts, the first end of the pipe is positioned in the bearing parts, and the second end of the pipe is positioned in the clamping parts; the second die is rotatably arranged around a preset axis and is provided with a guide part so as to bend the pipe into the guide part; a friction part is arranged in the clamping part, and at least part of the pipe is in contact with the friction part. The invention solves the problem of low pipe bending efficiency in the prior art.

Description

Bending mechanism

Technical Field

The invention relates to the field of processing of two air conditioners, in particular to a bending mechanism.

Background

A small U-shaped pipe processing device is a technical professional machine tool device used for blanking and bending processing procedures of a small U-shaped connecting pipe connected with a condensation pipe or an evaporation pipe in two air conditioners. The existing pipe bender mostly uses a saw blade to cut after bending, generates a large amount of copper scraps, causes great waste of copper pipes, and has low bending efficiency.

Disclosure of Invention

The invention mainly aims to provide a bending mechanism to solve the problem of low pipe bending efficiency in the prior art.

In order to achieve the above object, the present invention provides a bending mechanism for bending a pipe, the bending mechanism including: the first die is movably arranged along a preset direction, and a plurality of bearing parts are arranged on the first die; the second die is provided with a plurality of clamping parts, the plurality of clamping parts and the plurality of bearing parts are arranged in a one-to-one correspondence manner, the bearing parts are communicated with the clamping parts, the first end of the pipe is positioned in the bearing parts, and the second end of the pipe is positioned in the clamping parts; the second die is rotatably arranged around a preset axis and is provided with a guide part so as to bend the pipe into the guide part; a friction part is arranged in the clamping part, and at least part of the pipe is in contact with the friction part.

Further, the second mold further includes: the first clamping groove is formed in the first block body, and the first die is located on the side of the first block body; the second block body is arranged opposite to the first block body, a second clamping groove is formed in the second block body, the first clamping groove and the second clamping groove are arranged opposite to each other so that a clamping part is formed between the first clamping groove and the second clamping groove, the guide part is arranged on the second block body, and the guide part is communicated with the clamping part; the friction part is arranged in the first clamping groove and/or the second clamping groove.

Further, a friction portion is disposed in the first clamping groove near one end of the first mold.

Further, the friction portion is disposed in the second clamping groove at an end adjacent to the guide portion.

Further, the second block includes: the connecting end face is connected with the first block, and the second clamping groove is formed in the connecting end face; the guide end face is connected with the connecting end face, the guide end face extends along the arc-shaped track, and at least part of the guide portion is arranged on the guide end face.

Further, the second block further comprises: the avoiding end face is connected with the connecting end face through the guide end face and is obliquely arranged relative to the connecting end face.

Furthermore, the avoiding end face comprises a fixed end and a free end, the fixed end is connected with the guiding end face, and the free end is located below the fixed end in the vertical direction.

Further, the first mould comprises a plurality of abutting moulds, and at least two bearing parts are arranged on one abutting mould; the second mould includes a plurality of moulds of buckling, and a plurality of moulds of buckling and a plurality of mould one-to-one ground settings that support to lean on are provided with two at least clamping parts on the mould of buckling.

Further, the friction part comprises a plurality of friction grooves which are arranged at intervals along the extending direction of the clamping part.

Further, the bending mechanism further comprises: and the rotating assembly comprises an installation part, the installation part is rotatably arranged around a preset axis, and the second die is installed on the installation part so as to drive the second die to rotate through the installation part.

By applying the technical scheme of the invention, the bending mechanism is used for bending the pipe, wherein the bending mechanism comprises: the mould comprises a first mould and a second mould, wherein the first mould is movably arranged along a preset direction, and a plurality of bearing parts are arranged on the first mould; the second die is provided with a plurality of clamping parts, the plurality of clamping parts and the plurality of bearing parts are arranged in a one-to-one correspondence manner, the bearing parts are communicated with the clamping parts, the first end of the pipe is positioned in the bearing parts, and the second end of the pipe is positioned in the clamping parts; the second die is rotatably arranged around a preset axis and is provided with a guide part so as to bend the pipe into the guide part; a friction part is arranged in the clamping part, and at least part of the pipe is in contact with the friction part. The setting can pass through friction portion like this, makes the radial frictional force increase of pressing from both sides tight pipe utensil, makes the pipe utensil centre gripping more stable, and at the in-process of bending, first mould is fixed, supports to lean on the power for the pipe utensil provides, makes the structure of mechanism of bending simpler, has improved the efficiency of bending of pipe utensil.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic structural view of an embodiment of a bending mechanism according to the present invention;

FIG. 2 illustrates a first perspective structural view of a first block of the bending mechanism according to the present invention;

FIG. 3 shows a second perspective structural view of the first block of the bending mechanism according to the present invention; and

fig. 4 shows a schematic view of the second block of the bending mechanism according to the invention.

Wherein the figures include the following reference numerals:

1. a first mold; 10. a bearing part; 2. a second mold; 20. a clamping portion; 3. a guide portion; 4. a friction portion; 21. a first block; 210. a first clamping groove; 22. a second block; 220. a second clamping groove; 221. connecting the end faces; 222. a guide end face; 223. avoiding the end face; 11. against the mold; 23. bending the die; 40. rubbing the groove; 5. the assembly is rotated.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The present invention provides a bending mechanism, please refer to fig. 1 to 4, for bending a pipe tool, the bending mechanism includes: the mold comprises a first mold 1, a plurality of bearing parts 10 and a plurality of first molds 1, wherein the first molds 1 are movably arranged along a preset direction, and the bearing parts 10 are arranged on the first molds 1; the pipe fitting forming die comprises a second die 2, wherein a plurality of clamping parts 20 are arranged on the second die 2, the clamping parts 20 and a plurality of bearing parts 10 are arranged in a one-to-one correspondence mode, the bearing parts 10 are communicated with the clamping parts 20, a first end of a pipe fitting is located in the bearing parts 10, and a second end of the pipe fitting is located in the clamping parts 20; the second die 2 is rotatably arranged around a preset axis, and a guide part 3 is arranged on the second die 2 so as to bend the pipe into the guide part 3; a friction portion 4 is provided in the grip portion 20, and at least a part of the pipe is in contact with the friction portion 4.

The bending mechanism provided by the invention is used for bending a pipe, and comprises: the mold comprises a first mold 1 and a second mold 2, wherein the first mold 1 is movably arranged along a preset direction, a bearing part 10 is arranged on the first mold 1, and a plurality of bearing parts 10 are arranged; the second die 2 is provided with a plurality of clamping parts 20, the clamping parts 20 and the bearing parts 10 are arranged in a one-to-one correspondence manner, the bearing parts 10 are communicated with the clamping parts 20, a first end of the pipe is positioned in the bearing part 10, and a second end of the pipe is positioned in the clamping part 20; the second die 2 is rotatably arranged around a preset axis, and a guide part 3 is arranged on the second die 2 so as to bend the pipe into the guide part 3; a friction portion 4 is provided in the grip portion 20, and at least a part of the pipe is in contact with the friction portion 4. The setting can pass through friction portion 4 like this, makes the radial frictional force increase of pressing from both sides tight pipe utensil, makes the pipe utensil centre gripping more stable, and at the in-process of bending, first mould is fixed, supports to lean on the power for the pipe utensil provides, makes the structure of mechanism of bending simpler, has improved the efficiency of bending of pipe utensil.

Specifically, the second mold 2 further includes: the first block 21, the first block 21 is provided with a first clamping groove 210, and the first die 1 is positioned on the side of the first block 21; the second block body 22 is arranged opposite to the first block body 21, a second clamping groove 220 is arranged on the second block body 22, the first clamping groove 210 and the second clamping groove 220 are arranged opposite to each other so as to form a clamping part 20 between the first clamping groove 210 and the second clamping groove 220, the guide part 3 is arranged on the second block body 22, and the guide part 3 is communicated with the clamping part 20; the friction part 4 is disposed in the first clamping groove 210 and/or the second clamping groove 220. Wherein, first block 21 and second block 22 coact, carry out the centre gripping to one end of pipe utensil, later in second mould 2 rotates ground in-process, leads the pipe utensil through guide part 3, has also played the dodging effect to the pipe utensil simultaneously to bend the pipe utensil.

In the embodiment provided by the invention, in order to improve the stability of the pipe during the bending process and avoid the pipe from slipping, the friction part 4 is arranged at one end of the first clamping groove 210 close to the first die 1.

In the implementation, the friction part 4 is disposed at one end of the second clamping groove 220 near the guide part 3. The friction part in the first clamping groove 210 and the friction part in the second clamping groove 220 are arranged to be matched with each other, so that the stability of clamping the pipe fitting is ensured.

In the embodiment provided by the present invention, the second block 22 comprises: a connection end surface 221 connected to the first block 21, the second clamping groove 220 being provided on the connection end surface 221; a guide end surface 222 connected to the connecting end surface 221, the guide end surface 222 extending along an arc-shaped trajectory, at least a portion of the guide portion 3 being disposed on the guide end surface 222. This arrangement allows the guide end surface 222 to guide the pipe tool, and the pipe tool is at least partially fitted to the guide portion 3 to bend the straight pipe.

Preferably, the second block 22 further comprises: the escape end surface 223 is connected to the connection end surface 221 via the guide end surface 222, and the escape end surface 223 is inclined with respect to the connection end surface 221. Since the pipe may have a spring back phenomenon after bending, the rotation angle of the second die is greater than 180 °, and preferably, the bending angle of the second die is 182 ° to 186 °. Therefore, the relief end surface 223 is provided as a slope to secure the turning angle of the second mold.

In order to avoid the avoiding end surface 223 from interfering with the first mold after rotating, the avoiding end surface 223 includes a fixed end and a free end, the fixed end is connected with the guiding end surface 222, and the free end is located below the fixed end in the vertical direction.

In the embodiment provided by the invention, in order to provide the bending efficiency of the pipe, the first die 1 comprises a plurality of abutting dies 11, and at least two bearing parts 10 are arranged on one abutting die 11; the second mold 2 includes a plurality of bending molds 23, the plurality of bending molds 23 and the plurality of abutting molds 11 are arranged in a one-to-one correspondence, and at least two clamping portions 20 are provided on one bending mold 23.

Preferably, the friction part 4 includes a plurality of friction grooves 40, and the plurality of friction grooves 40 are provided at intervals along the extending direction of the grip part 20. The structure of the arrangement is simple and convenient to implement.

Bending mechanism still includes: rotating assembly 5, rotating assembly 5 include the installed part, and the installed part is rotationally set up around predetermined axis, and second mould 2 is installed on the installed part to drive second mould 2 through the installed part and rotate. Preferably, the rotating assembly 5 comprises a driving motor and a speed reducer, and the second mold 2 is driven to rotate by the driving motor and the speed reducer.

In the specific implementation process, after the pipe is fed, that is, after one end of the pipe is inserted into the clamping portion 20, the first mold 1 moves upward until the pipe is located in the bearing portion 10, and then the rotating assembly 5 drives the second mold 2 to rotate, so that the first mold 1 is prevented from following up, and the structure of the bending mechanism is simpler.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mechanism of bending for bend the pipe utensil, its characterized in that, the mechanism of bending includes:

the mould comprises a first mould (1), wherein the first mould (1) is movably arranged along a preset direction, a bearing part (10) is arranged on the first mould (1), and a plurality of bearing parts (10) are arranged;

the pipe fitting forming die comprises a second die (2), wherein a plurality of clamping parts (20) are arranged on the second die (2), the clamping parts (20) and the bearing parts (10) are arranged in a one-to-one correspondence mode, the bearing parts (10) are communicated with the clamping parts (20), a first end of the pipe fitting is located in the bearing parts (10), and a second end of the pipe fitting is located in the clamping parts (20);

the second die (2) is rotatably arranged around a preset axis, and a guide part (3) is arranged on the second die (2) so as to bend the pipe into the guide part (3);

a friction part (4) is arranged in the clamping part (20), and at least part of the pipe is in contact with the friction part (4).

2. The bending mechanism according to claim 1, wherein the second die (2) further comprises:

the first clamping device comprises a first block body (21), wherein a first clamping groove (210) is formed in the first block body (21), and the first die (1) is located on the side of the first block body (21);

a second block (22) disposed opposite to the first block (21), the second block (22) having a second clamping groove (220) disposed thereon, the first clamping groove (210) being disposed opposite to the second clamping groove (220) to form the clamping portion (20) between the first clamping groove (210) and the second clamping groove (220), the guide portion (3) being disposed on the second block (22), the guide portion (3) being in communication with the clamping portion (20);

the friction portion (4) is disposed within the first clamping groove (210) and/or the second clamping groove (220).

3. The bending mechanism according to claim 2, wherein the friction portion (4) is disposed within the first clamping groove (210) near an end of the first die (1).

4. The bending mechanism according to claim 2, wherein the friction portion (4) is disposed in the second clamping groove (220) near one end of the guide portion (3).

5. The bending mechanism according to claim 2, wherein the second block (22) comprises:

a connection end surface (221) connected to the first block (21), the second clamping groove (220) being provided on the connection end surface (221);

a guide end surface (222) connected to the connection end surface (221), the guide end surface (222) extending along an arc-shaped trajectory, at least a portion of the guide portion (3) being disposed on the guide end surface (222).

6. The bending mechanism according to claim 5, wherein the second block (22) further comprises:

an avoiding end surface (223), wherein the avoiding end surface (223) is connected with the connecting end surface (221) through the guide end surface (222), and the avoiding end surface (223) is obliquely arranged relative to the connecting end surface (221).

7. The bending mechanism according to claim 6, wherein the avoiding end surface (223) comprises a fixed end and a free end, the fixed end is connected with the guiding end surface (222), and the free end is located below the fixed end in the vertical direction.

8. The bending mechanism according to any one of claims 1 to 7, wherein said first die (1) comprises a plurality of abutment dies (11), one abutment die (11) being provided with at least two said load-bearing portions (10);

the second die (2) comprises a plurality of bending dies (23), the bending dies (23) and the abutting dies (11) are arranged in a one-to-one correspondence mode, and at least two clamping portions (20) are arranged on one bending die (23).

9. The bending mechanism according to any one of claims 1 to 7, wherein the friction portion (4) comprises a plurality of friction grooves (40), the plurality of friction grooves (40) being provided at intervals along an extending direction of the grip portion (20).

10. The bending mechanism according to any one of claims 1 to 7, further comprising:

rotating assembly (5), rotating assembly (5) includes the installed part, the installed part is rotationally set up around predetermined axis, second mould (2) are installed on the installed part, with through the installed part drives second mould (2) rotate.