CN217964190U - Metal plate bending lower die and bending machine - Google Patents

Abstract

The utility model relates to a panel beating lower mould and bender of bending. The sheet metal bending lower die is used for processing sheet metal parts with bulges and comprises a lower die, wherein the lower die is provided with a working surface, a pressure groove is formed in the working surface, a plurality of avoiding parts are further arranged on the working surface along the direction parallel to the length direction of the pressure groove, and the avoiding grooves are used for accommodating the bulges on the sheet metal parts, so that one side surface, provided with the bulges, of the sheet metal parts can be attached to the inner wall of the pressure groove after being bent; through set up the portion of dodging on the working face, bending the sheet metal component in-process, arch on the sheet metal component can be embedded into the portion of dodging to make the sheet metal component have the surface of protruding one side can laminate with the machined surface of lower mould, thereby even protruding with wait to bend under the position distance is nearer the circumstances, also can normally accomplish bending of sheet metal component, avoid protruding and the machined surface of lower mould to offset, crush injury arch or influence the quality of bending when leading to bending.

Description

Metal plate bending lower die and bending machine

Technical Field

The utility model relates to a relevant technical field of bender especially relates to a panel beating lower mould of bending and bender for processing take bellied sheet metal component.

Background

At present, most practical heat exchanger sheet metal parts of an air conditioner outdoor unit need to be provided with flanging holes to ensure the shaping and installation of copper pipes, and the flanging holes are mostly press-riveting screws protruding from sheet metal;

the distance between the hem is less for some heat exchanger panel beating, its turn-ups hole and panel beating to at the in-process of bending, there is the turn-ups hole and is stamped the possibility to the lower mould indent together by last mould, if this condition takes place, can weigh wounded the turn-ups hole on the one hand, and on the other hand also can influence the quality of bending.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a panel beating lower mould of bending and bender that can avoid the flanging hole to be crushed to hinder to the problem that the flanging hole probably is crushed when bending to the panel beating that the interval is less between waiting the hem in flanging hole and panel beating.

The utility model discloses at first provide a panel beating lower mould of bending for bellied sheet metal component is taken in processing, including the lower mould, the lower mould has the working face, the indent has been seted up to the working face, the working face still along with the parallel direction of indent length direction is provided with a plurality of portions of dodging, it is used for holding to dodge the groove on the sheet metal component protruding, so that the sheet metal component has protruding side surface can with after bending the inner wall laminating of indent.

Above-mentioned panel beating lower mould of bending, through set up the portion of dodging on the working face, in-process bending the sheet metal component, arch on the sheet metal component can be embedded into the portion of dodging to make the sheet metal component have the surface of protruding one side can with the machined surface laminating of lower mould, thereby even protruding and wait to bend under the position distance is nearer the condition, also can normally accomplish bending of sheet metal component, avoid protruding and the machined surface of lower mould to offset, weigh when leading to bending and hinder protruding or influence the quality of bending.

In one embodiment, the avoiding part is an avoiding groove formed in the working surface, and the avoiding groove is communicated with the pressing groove.

It can be understood that the avoiding portion 112 is directly formed through a material reducing processing mode, the processing is simple, and the production cost is low.

In one embodiment, the metal plate bending lower die further comprises a pressing block with a groove, the pressing block is fixedly arranged in the pressing groove, and the top end of the pressing block and the inner wall of the pressing groove form the avoiding part.

It can be understood that the avoiding part 112 is formed by additionally installing the pressing block 20, and the processing requirements of different bending can be met only by replacing different pressing blocks 20, so that the universal property is strong.

In one embodiment, the lower die further has a fixing surface, the fixing surface is provided with a fixing groove, and each working surface corresponds to one fixing surface.

It can be understood that a plurality of stationary planes make the lower mould have multiple fixed mode, and the working face that the cooperation corresponds can realize that a mould is multi-purpose to increase the universal of the panel beating lower mould of bending of this application in one of them embodiment, the working face with correspond the stationary plane sets up relatively.

In one embodiment, the lower die is a rectangular cuboid, and two adjacent side surfaces of the lower die are the working surfaces.

In one embodiment, each working surface has two parallel press grooves and two rows of avoidance portions, and each row of avoidance portions is correspondingly communicated with one press groove.

It can be understood that the lower mould has four indent altogether, and is fixed to the bender back with the lower mould through the fixed slot of difference, can realize a mould four-purpose, has further increased the panel beating of this application and has bent the general nature of lower mould.

In one embodiment, the two rows of avoidance parts are respectively positioned at two sides which are close to the outside by taking the two pressing grooves as centers.

It can be understood that the arrangement can avoid the interference between the two rows of the avoidance grooves on the same working surface.

In one embodiment, the indent is V-shaped, and the bottom of the V-shaped indent is a circular arc surface.

It can be understood that the arc surface can prevent the sheet metal part from being folded and then generating creases at the folding position.

The utility model discloses the second aspect provides a bender, including foretell panel beating lower mould of bending.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of a three-dimensional structure of a sheet metal bending lower die and a sheet metal part after bending of the utility model;

FIG. 2 is a schematic front view of the structure of FIG. 1;

fig. 3 is a schematic perspective view of the metal plate bending lower die of the present invention;

FIG. 4 is a schematic cross-sectional view of the indent of one embodiment of the present invention in a front view;

FIG. 5 is a schematic cross-sectional structural view of a sheet metal part after bending is completed in the press groove of FIG. 4;

fig. 6 is a schematic sectional view of the indent according to another embodiment of the present invention in a front view;

FIG. 7 is a schematic cross-sectional structural view of a sheet metal part after bending is completed in the press groove of FIG. 6;

reference numerals: 10. a lower die; 11. a working surface; 111. pressing a groove; 112. an avoidance part; 12. a fixed surface; 121. fixing grooves; 20. briquetting; 200. a sheet metal part; 210. and (4) protruding.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1, fig. 2 and fig. 3, the present application provides a sheet metal bending lower die for processing a sheet metal part 200 with a protrusion 210, which includes a lower die 10, the lower die 10 has a working surface 11, the working surface 11 has a pressure groove 111, the working surface 11 is further provided with a plurality of avoiding portions 112 along a direction parallel to a length direction of the pressure groove 111, the avoiding portions 112 are used for accommodating the protrusion 210 on the sheet metal part 200, so that a side surface of the sheet metal part 200 having the protrusion 210 can be attached to an inner wall of the pressure groove 111 after being bent.

Through set up the portion 112 of dodging that is used for holding protruding 210 on working face 11, bend the in-process to sheet metal component 200, protruding 210 on the sheet metal component 200 can be embedded into the portion 112 of dodging, so that sheet metal component 200 has the surface of protruding 210 one side can laminate with the machined surface of lower mould 10, even under protruding 210 and the position distance of waiting to bend is close condition, also can normally accomplish bending of sheet metal component 200, avoid protruding 210 and the machined surface of lower mould 10 to offset, crush protruding 210 or influence the quality of bending when leading to bending.

The protrusions 210 are finger clinch nuts or other features capable of forming a flanging hole and securing to the surface of the sheet metal part 200.

In some embodiments, the number of the avoiding portions 112 is greater than or equal to the number of the row of the protrusions 210 on the sheet metal part 200 closest to the position to be bent, so that each protrusion 210 in the row of the protrusions 210 can be embedded into one avoiding portion 112.

Referring to fig. 4 and 5, in some embodiments, the avoiding portion 112 is an avoiding groove formed in the working surface 11, and the avoiding groove is communicated with the pressing groove 111; at this time, the processing surface of the lower die 10 is the inner wall of the pressing groove 111, and the avoidance portion 112 communicated with the pressing groove 111 is formed on the working surface 11, so that on one hand, the sheet metal part 200 can be abutted against the inner wall of the part, which is not communicated with the avoidance portion 112, of the pressing groove 111, so that the sheet metal part 200 is normally limited, and therefore the sheet metal part 200 can be normally bent;

on the other hand, in the process of bending the sheet metal part 200, the protrusion 210 on the sheet metal part 200 can be embedded into the avoiding portion 112, so that the surface of the sheet metal part 200 on the side having the protrusion 210 can be attached to the inner wall of the pressure groove 111, and even if the protrusion 210 is close to the position to be bent, the bending of the sheet metal part 200 can be normally completed, and the protrusion 210 is prevented from being abutted to the inner wall of the pressure groove 111, so that the protrusion 210 is crushed or the bending quality is influenced during the bending.

In addition, the avoidance part 112 is directly arranged in a material reducing processing mode, so that the processing is simple, and the production cost is low.

As shown in fig. 1 and 3, in some embodiments, the avoiding groove extends to a side away from the pressing groove 111 and penetrates through an adjacent surface of the working surface 11.

In the process of placing the sheet metal part 200 to the position to be bent, the sheet metal part 200 is placed on the working surface 11 firstly, so that one side surface of the sheet metal part 200 with the protrusion 210 is abutted to the working surface 11, then the sheet metal part 200 is pushed only in the direction of the plane where the working surface 11 is located, and as the avoiding groove runs through the adjacent surface of the working surface 11, the protrusion 210 can slide into the avoiding part 112 through the opening of the adjacent surface, and the sheet metal part 200 can move to the position to be bent.

Compared with the arrangement mode that the avoiding part 112 does not penetrate through the adjacent surface, the sheet metal part 200 needs to be placed after the protrusion 210 is aligned with the avoiding part 112 when the protrusion does not penetrate through the adjacent surface, and the sheet metal part 200 can shield the avoiding part 112, so that the sheet metal part 200 is difficult and laborious to install; when the sheet metal part 200 is installed under the condition that the avoiding part 112 penetrates through the adjacent surfaces, on one hand, the installation process is labor-saving because the sheet metal part 200 can be firstly abutted against the working surface 11; on the other hand, when the sheet metal part 200 is moved, the avoiding portion 112 can play a role in guiding the protrusion 210 to a certain extent, so that the difficulty in mounting the sheet metal part 200 can be reduced.

As shown in fig. 6 and fig. 7, in some embodiments, the lower sheet metal bending die further includes a pressing block 20 having a groove, the pressing block 20 is fixedly disposed in the pressing groove 111, and a top end of the pressing block 20 and an inner wall of the pressing groove 111 form an avoiding portion 112.

At this time, the processing surface of the lower die 10 is the inner wall of the groove; in the process of bending the sheet metal part 200, the protrusion 210 on the sheet metal part 200 can be embedded into the avoiding portion 112 formed by the top end of the pressing block 20 and the inner wall of the pressing groove 111, so that the surface of one side of the sheet metal part 200, which is provided with the protrusion 210, can be extruded and deformed to be attached to the groove of the pressing block 20, and the protrusion 210 is prevented from being abutted against the pressing block 20, so that the protrusion 210 is crushed or the bending quality is influenced during bending.

In addition, the avoiding part 112 is formed by additionally arranging the pressing block 20, so that the processing requirements of different bending can be met only by replacing different pressing blocks 20, and the universality is strong.

Referring to fig. 2, in some embodiments, the lower mold 10 further has a fixing surface 12, the fixing surface 12 is opened with a fixing groove 121, and each working surface 11 corresponds to one fixing surface 12; lower mould 10 can be fixed to the bender through fixed slot 121, and a plurality of stationary planes 12 make lower mould 10 have multiple fixed mode, and the working face 11 that the cooperation corresponds can realize that a mould is multi-purpose to increase the general usefulness of the panel beating lower mould of bending of this application.

Referring to fig. 2, in some embodiments, the working surface 11 is disposed opposite to the corresponding fixing surface 12; of course, the working surface 11 may be disposed adjacent to the corresponding fixing surface 12 or disposed in another manner, depending on the relationship between the die mounting position and the pressing position of the bending machine.

Referring to fig. 1 and 3, in some embodiments, the lower mold 10 is an elongated rectangular parallelepiped, and two adjacent side surfaces thereof are working surfaces 11.

In the above embodiment, each working surface 11 has two parallel pressing grooves 111 and two rows of avoiding portions 112, and each row of avoiding portions 112 is correspondingly communicated with one pressing groove 111;

each pressure groove 111 has different sizes or shapes, namely the lower die 10 has four different pressure grooves 111, and after the lower die 10 is fixed to the bending machine through different fixing grooves 121, one die can be used for four purposes, so that the universality of the metal plate bending lower die is further improved; each of the pressing grooves 111 is correspondingly communicated with a row of avoiding portions 112, so that each of the pressing grooves 111 can be used for bending the sheet metal part 200 with the protrusions 210.

Referring to fig. 3, in some embodiments, two rows of avoiding portions 112 are respectively located at two sides of the two pressing grooves 111; to avoid interference between the two rows of avoidance portions 112 of the same working surface.

It is understood that in some embodiments, each working surface 11 may be provided with three, four or more parallel pressing grooves 111 to further increase the versatility of the pressing grooves 111.

In the above embodiment, the two rows of escape portions 112 are provided on both sides of the center of each of the crush grooves 111, and thus the two crush grooves 111 located on the outermost side can be used to bend the sheet metal member 200 having the projection 210.

Referring to fig. 2 and 3, in some embodiments, the pressing groove 111 is V-shaped, and the bottom of the V-shaped pressing groove 111 is a circular arc surface; so as to avoid the fold mark generated at the bending position after the sheet metal part 200 is bent.

The utility model discloses the second aspect provides a bender, including foretell panel beating lower mould of bending.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (10)

1. The utility model provides a panel beating lower mould of bending for processing sheet metal component (200) of taking arch (210), a serial communication port, including lower mould (10), lower mould (10) have working face (11), indent (111) have been seted up in working face (11), working face (11) still along with parallel direction of indent (111) length direction is provided with a plurality of portions (112) of dodging, dodge portion (112) and be used for holding on sheet metal component (200) arch (210), so that sheet metal component (200) have a side surface of arch (210) after bending can with the inner wall laminating of indent (111).

2. The sheet metal bending lower die according to claim 1, wherein the avoiding portion (112) is an avoiding groove formed in the working surface (11), and the avoiding groove is communicated with the pressing groove (111).

3. The sheet metal bending lower die according to claim 1, further comprising a pressing block (20) with a groove, wherein the pressing block (20) is fixedly arranged in the pressing groove (111) and the top end of the pressing block (20) and the inner wall of the pressing groove (111) form the avoiding portion (112).

4. The sheet metal bending lower die according to claim 1, wherein the lower die (10) further comprises a fixing surface (12), the fixing surface (12) is provided with a fixing groove (121), and each working surface (11) corresponds to one fixing surface (12).

5. The sheet metal bending lower die according to claim 4, wherein the working surface (11) is arranged opposite to the corresponding fixing surface (12).

6. The sheet metal bending lower die according to claim 5, wherein the lower die (10) is an elongated cuboid, and two adjacent side faces are the working faces (11).

7. The lower sheet metal bending die according to claim 6, wherein each working surface (11) is provided with two parallel press grooves (111) and two rows of avoidance portions (112), and each row of avoidance portions (112) is correspondingly communicated with one press groove (111).

8. The lower sheet metal bending die according to claim 7, wherein two rows of the avoiding portions (112) are respectively located on two sides of the lower sheet metal bending die, which are close to the outside and centered on the two pressing grooves (111).

9. The lower sheet metal bending die according to claim 1, wherein the pressing groove (111) is V-shaped, and the bottom of the V-shaped pressing groove (111) is a circular arc surface.

10. A bending machine, characterized by comprising the sheet metal bending lower die according to any one of claims 1 to 9.

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