Bending jig

Abstract

The utility model provides a bending jig. The bending jig comprises a base; the pressing plate is arranged on the base, the pressing plate is provided with a bearing surface used for placing a workpiece to be bent, and the workpiece to be bent comprises a main body part and a flanging part which are connected with each other; the abutting piece is located above the bearing face so as to abut against the main body part of the workpiece to be bent; and the bending assembly is rotatably arranged on the base, the bending assembly comprises a bending surface, the bending surface is adjacent to or connected with the edge of the bearing surface, and the bending plate is configured to be capable of rotating relative to the pressing plate under the action of external force so as to bend the flanging part of the workpiece to be bent. According to the bending device, the distance of the bending part close to the flanging part of the workpiece to be bent can be greatly shortened, so that the working procedure of the stroke is saved, the bending surface can be in direct contact with the workpiece to be bent, the bending working procedure is carried out, and the effects of saving working procedures and saving consumed time are achieved.

Description

Technical Field

[0001] The utility model relates to the field of mold opening processing, in particular to a bending jig. Background Art

[0002] In the related art, when a thin-walled part is bent, the thin-walled part is generally placed on a lower die, and then the upper die is moved downward, so that the thin-walled part is bent by utilizing the cooperation of the upper die and the lower die.

[0003] When using the upper die and lower die processing method, there must be a downward movement of the upper die, which causes the processing to take a long time. Utility Model Content

[0004] The utility model provides a bending jig to improve at least one of the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions.

[0006] In the first aspect, the utility model provides a bending jig, comprising:

[0007] Pedestal;

[0008] A pressing plate, arranged on the base, the pressing plate having a bearing surface for placing a workpiece to be bent, wherein the workpiece to be bent comprises a main body portion and a flange portion connected to each other;

[0009] A pressing member, the pressing member is located above the bearing surface to press the main body of the workpiece to be bent; and

[0010] A bending assembly is rotatably disposed on the base, and the bending assembly includes a bending surface, which is adjacent to or connected to the edge of the bearing surface. The bending surface is configured to be able to rotate relative to the pressure plate under the action of an external force to bend the flange portion of the workpiece to be bent.

[0011] In some embodiments, the pressing plate has a mounting portion and a first pressing portion that are connected and arranged in a step shape, the upper surface of the first pressing portion constitutes the bearing surface, the pressing member includes a fixing portion and a second pressing portion, the fixing portion is installed on the mounting portion, and the second pressing portion is located above the upper surface of the first pressing portion to press the main body of the workpiece to be bent onto the bearing surface of the first pressing portion.

[0012] In some embodiments, the connection between the mounting portion and the first pressing portion constitutes a limiting surface, and the bending jig also includes a limiting member, which has two side edges arranged opposite to each other, one side edge is used to abut against the limiting surface, and the other side edge is used to abut against the main body of the workpiece to be bent.

[0013] In some embodiments, the bending assembly includes:

[0014] A bridge plate, the bridge plate being rotatably mounted on the base;

[0015] A bending piece is installed on the bridge plate, and the upper surface of the bending piece constitutes the bending surface.

[0016] In some embodiments, the bridge plate forms a step surface arranged at an angle, the step surface includes a first surface and a second surface connected, the lower surface of the bending member overlaps the first surface, and the back surface of the bending member overlaps the second surface;

[0017] The first surface and the second surface are planar.

[0018] In some embodiments, the bending pieces are provided in plurality, the plurality of bending pieces are distributed along the length direction of the bridge plate, and the sizes of two bending pieces among the plurality of bending pieces are different;

[0019] And / or, the bending part is a standard part with a predetermined size;

[0020] And / or, the length of the bending surface ranges from 9 mm to 36 mm;

[0021] And / or, the bending surface is a plane.

[0022] In some implementations, the rotation angle of the bending assembly between the working position and the non-working position is defined as θ, and 0°≤θ≤100°.

[0023] In some embodiments, a rotating assembly is also included, which includes a mounting seat installed on a base and a rotating member rotatably mounted on the mounting seat, the side of the bridge plate is installed on the rotating member, the pressure plate has an avoidance gap, and the rotating member is at least partially located in the avoidance gap.

[0024] In some embodiments, a toggle member is provided on a side of the component away from the pressure plate.

[0025] In some embodiments, a driving member is further included, and the driving member is transmission-connected to the bending assembly to drive the bending assembly to rotate.

[0026] The bending assembly of the present scheme can stably clamp the main body of the workpiece to be bent through the cooperation of the bearing surface of the pressure plate and the pressure piece, and the bending assembly can bend the turned-over part of the workpiece to be bent. The design of the bending surface of the bending assembly is adjacent to or connected to the bearing surface, so that the bending surface can directly contact the turned-over part of the workpiece to be bent to achieve bending. In simple terms, the distance that the bending component approaches the flange part of the workpiece to be bent can be greatly shortened to save the process of this section of the stroke, thereby realizing that the bending surface can directly contact the workpiece to be bent to perform the bending process. Compared with the bending method of the upper mold and the lower mold in the prior art, the present scheme achieves the effect of saving processes and saving time. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the implementation modes of the present invention, the drawings required for use in the description of the implementation modes will be briefly introduced below. Obviously, the drawings described below are only some implementation modes of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 A schematic diagram of the structure of a bending jig provided by an embodiment of the utility model from one perspective is shown;

[0029] Figure 2 Another perspective structural schematic diagram of the bending jig provided by an embodiment of the utility model is shown.

[0030] Description of Figure Numbers:

[0031] 10. Base;

[0032] 20. Pressing plate; 21. Mounting portion; 22. First pressing portion; 23. Avoidance notch; 24. Limiting surface;

[0033] 30. pressing member; 31. fixing portion; 32. second pressing portion;

[0034] 40. bending assembly; 41. bridge plate; 411. first surface; 412. second surface; 42. bending part;

[0035] 50. Limiting parts;

[0036] 60. Toggle member;

[0037] 70. Rotating assembly; 71. Mounting seat; 72. Rotating member. DETAILED DESCRIPTION

[0038] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is only a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0039] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0040] See also Figure 1 and Figure 2 The utility model proposes a bending jig, which includes a base 10, a pressure plate 20, a pressure piece 30 and a bending assembly 40. The pressure plate 20 is installed on the base 10, and the pressure piece 30 is installed on the pressure plate 20 to cooperate with the pressure plate 20 to fix the workpiece to be bent. The bending assembly 40 is installed on the base 10, and the bending assembly 40 can be at least partially rotated to achieve bending of the flange portion of the workpiece to be bent.

[0041] In this way, compared with the bending method of the upper mold and the lower mold in the prior art, since the bending assembly 40 is adjacent to the workpiece to be bent, the bending process of the workpiece to be bent can be completed by only rotating it, saving the process of moving the upper mold to the lower mold, thereby saving the time of the process.

[0042] It can be understood that the workpiece to be bent is a thin sheet, which includes a main body and a folding portion located on one side of the main body. In this solution, the pressure plate 20 cooperates with the pressure member 30 to press the main body, and the bending assembly 40 acts on the folding portion to achieve bending of the flange portion.

[0043] The specific structure of the bending jig in this application is described below.

[0044] Among them, the base 10 can be a plate-shaped seat, and its upper surface is used for the installation of the pressure plate 20 and the bending assembly 40. In order to ensure the stability and accuracy of the bending assembly 40 during operation, as well as the stability and reliability of the pressure plate 20 and the pressure member 30 in clamping the workpiece to be bent, the upper surface can be a horizontal plane.

[0045] The pressing plate 20 may be in the shape of a plate and directly or indirectly mounted on the base 10. The pressing plate 20 has a bearing surface for placing the workpiece to be bent. In order to stably clamp the workpiece to be bent, the bearing surface may be a horizontal surface.

[0046] The pressing plate 20 can be installed on the seat body by threaded engagement.

[0047] The pressing member 30 may be substantially plate-shaped, and the pressing member 30 is located above the bearing surface to press the main body of the workpiece to be bent.

[0048] Specifically, the pressing member 30 can be installed on the pressing plate 20 by screws. Before placing the workpiece to be bent, the screws can be loosened to facilitate placing the workpiece to be bent between the two. After placing the workpiece to be bent, the screws can be tightened.

[0049] Among them, the bending component 40 can be rotatably installed on the base 10, and the bending component 40 includes a bending surface, which is used to contact the turned-over part of the workpiece to be bent, and bend the turned-over part when the bending surface rotates. In order to ensure the accuracy of the bending, the bending surface can be a plane, and the bending surface can be configured to be able to rotate relative to the pressure plate 20 under the action of external force to bend the flange part of the workpiece to be bent.

[0050] In some embodiments, the bending surface is adjacent to the edge of the bearing surface. It is understandable that there may be a certain distance between the bending surface and the bearing surface to ensure that there is sufficient rotation space during the rotation process to ensure mobility and not easily interfere with the edge of the bearing surface.

[0051] Of course, in some other embodiments, the bending surface can be connected to the edge of the bearing surface. It can be understood that the bending surface can be in contact with the entire turning portion to ensure the accuracy of the bending process.

[0052] The bending assembly 40 of the present scheme can stably clamp the main body of the workpiece to be bent through the cooperation of the bearing surface of the pressure plate 20 and the pressure member 30, and the bending assembly 40 can bend the turned-over portion of the workpiece to be bent. The design of the bending surface of the bending assembly 40 being adjacent to or connected to the bearing surface allows the bending surface to directly contact the turned-over portion of the workpiece to be bent to achieve bending. In short, the distance that the bending component approaches the flange portion of the workpiece to be bent can be greatly shortened to save the process of this section of the stroke, thereby achieving the bending surface being able to directly contact the workpiece to be bent for the bending process. Compared with the bending method of the upper mold and the lower mold in the prior art, the present scheme achieves the effect of saving process and time, that is, the bending process has the effect of short time consumption and convenient processing.

[0053] In some embodiments, the pressing plate 20 has a mounting portion 21 and a first pressing portion 22 that are connected and arranged in a step shape, the upper surface of the first pressing portion 22 constitutes a bearing surface, and the pressing member 30 includes a fixing portion 31 and a second pressing portion 32, the fixing portion 31 is installed on the mounting portion 21, and the second pressing portion 32 is located above the upper surface of the first pressing portion 22 to press the main body of the workpiece to be bent onto the bearing surface of the first pressing portion 22.

[0054] The mounting portion 21 of the pressing member 30 can be mounted on the mounting portion 21 of the pressing plate 20 by threaded engagement, so as to facilitate the assembly of the pressing member 30 .

[0055] Specifically, the upper surface of the first pressing portion 22 is lower than the upper surface of the mounting portion 21 to form a stepped design. In this way, there is a large movable space between the upper surface of the first pressing portion 22 and the connection between the fixing portion 31 and the second pressing portion 32 to provide a sufficiently large space for the placement of the workpiece to be bent and the position adjustment during the placement process. At the same time, it is also convenient for the workpiece to be bent to be removed after the bending process.

[0056] In some embodiments, the connection between the mounting portion 21 and the first pressing portion 22 constitutes a limiting surface 24, and the bending jig also includes a limiting member 50, which has two side edges relatively arranged, one side edge is against the limiting surface 24, and the other side edge is used to abut against the main body of the workpiece to be bent.

[0057] Specifically, the connection between the upper surface of the first pressing portion 22 and the upper surface of the mounting portion 21 is a vertical surface, and the vertical surface constitutes a limiting surface 24 .

[0058] The limiting member 50 may be rectangular in shape, with two opposite sides being straight and parallel to each other.

[0059] In this way, when placing the workpiece to be bent, the limiting member 50 can be placed in the above-mentioned active space first, and one side of it can be abutted against the limiting surface 24, and then the workpiece to be bent can be placed so that the other side of the limiting member 50 can be used to abut against the main body of the workpiece to be bent.

[0060] In this way, the main body of the workpiece to be bent can be positioned, and its turning part can be completely exposed outside the bearing surface to ensure that only the turning part is affected by the bending surface during the bending process, thereby improving the processing accuracy.

[0061] In some embodiments, the bending assembly 40 includes a bridge plate 41 and a bending member 42 .

[0062] The bridge plate 41 is rotatably mounted on the base 10 , for example, it can be mounted on the base 10 via a rotating shaft, or it can be mounted on the base 10 via a bearing, which is not limited here.

[0063] The bending member 42 is installed on the bridge plate 41 , and the upper surface of the bending member 42 constitutes a bending surface. It can be understood that the bending surface is a plane.

[0064] In order to facilitate the installation of the bending part 42 and improve the assembly accuracy of the bending part 42 to improve the bending accuracy of the bending process, in some embodiments, the bridge plate 41 forms a step surface set at an angle, and the step surface includes a first surface 411 and a second surface 412 connected to each other. The lower surface of the bending part 42 overlaps the first surface 411, and the back surface of the bending part 42 overlaps the second surface 412; the first surface 411 and the second surface 412 are planes.

[0065] Among them, the second surface 412 of the bridge plate 41 can be provided with a first assembly hole, the bending part 42 can be roughly plate-shaped, and a second assembly hole can be provided in the middle position. The first assembly hole and the second assembly hole correspond to each other, and fasteners are passed through the first assembly hole and the second assembly hole to fix the bending part 42 on the bridge plate 41.

[0066] In some embodiments, a plurality of bending members 42 are provided, and the plurality of bending members 42 are distributed along the length direction of the bridge plate 41 , and sizes of two bending members 42 in the plurality of bending members 42 are the same or different.

[0067] It can be understood that there can be multiple first assembly holes, and the multiple first assembly holes are arranged along the length direction of the bridge plate 41, and the second assembly hole can be a long hole. In this way, during the assembly process, the horizontal position of the bending part 42 on the bridge plate 41 can be adjusted to meet more bending requirements.

[0068] When there are multiple bending parts 42, there may be the following situations:

[0069] In the first case, there are at least two bending members 42, the two bending members 42 have the same size, and the two bending members 42 are spaced apart in the horizontal direction of the bridge plate 41. The number and position of the pressing members 30 are arranged corresponding to the bending members 42. In this way, at least two workpieces to be bent of the same size can be processed at the same time to improve the processing efficiency.

[0070] In the second case, there are at least two bending parts 42, and the sizes of the two bending parts 42 are different. The two bending parts 42 are arranged at intervals along the horizontal direction of the bridge plate 41, and the number and position of the pressure parts 30 correspond to the setting of the bending parts 42. In this way, at least two workpieces to be bent with different sizes can be processed at the same time to meet more bending requirements.

[0071] In the third case, there are at least three bending parts 42, two of which have the same size, and the other bending part 42 has a different size from the other two bending parts 42. The three bending parts 42 are arranged at intervals in the horizontal direction of the bridge plate 41, and the number and position of the pressure parts 30 correspond to the arrangement of the bending parts 42. In this way, at least two workpieces to be bent of the same size can be processed at the same time to meet more bending requirements.

[0072] In the above three situations, the first assembly holes of the bridge plate 41 can be adaptively set according to the quantity and size requirements of the bending parts 42 to meet the above three situations.

[0073] In some embodiments, the bending member 42 is a standard member with a predetermined size, so that its bending surface is a precisely machined plane to ensure the bending accuracy during the bending process.

[0074] In some embodiments, the length of the bending surface ranges from 9 mm to 36 mm. For example, the length of the bending surface can be one or more of 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 30 mm, 31 mm, 32 mm, 33 mm, 34 mm, 35 mm and 36 mm. Of course, it can also be one or more of 9 mm to 36 mm. It can be flexibly set according to actual processing requirements and is not limited here.

[0075] In some other embodiments, there may be multiple bending pieces 42, and the bending surface lengths of the multiple bending pieces 42 may be one or more of 10 mm and 35 mm.

[0076] In some embodiments, the bending surface is a plane to ensure bending accuracy during the bending process.

[0077] In some embodiments, the rotation angle of the bending assembly 40 between the working position and the non-working position is defined as θ, then 0°≤θ≤100°,

[0078] It can be understood that the working position refers to the extreme position of the bending surface relative to the workpiece to be bent, which is determined by the bending range processing technical requirements of the workpiece to be bent. The non-working position refers to the bending surface being in the initial position, which is separated from the workpiece to be processed.

[0079] By setting the rotation angle of the bending assembly 40, it can be ensured that the bending assembly 40 has a larger bending range to meet different technical requirements.

[0080] In some embodiments, a rotating assembly 70 is also included, which includes a mounting seat 71 installed on the base 10 and a rotating member 72 rotatably installed on the mounting seat 71, the side of the bridge plate 41 is installed on the rotating member 72, the pressure plate 20 has an avoidance gap 23, and the rotating member 72 is at least partially located in the avoidance gap 23.

[0081] There may be two groups of rotating components 70 , and the two groups of rotating components 70 are respectively installed on both sides of the bridge plate 41 .

[0082] Among them, a rotating bearing can be installed in the mounting seat 71, the outer ring of the rotating bearing is fixedly connected to the mounting seat 71, and the inner ring of the rotating bearing is fixedly connected to the rotating member 72. When the rotating member 72 rotates, it can drive the bridge plate 41 to rotate relative to the base 10 to realize the rotation of the bending member 42.

[0083] Through the avoidance design of the pressing plate 20 , the integration of the entire bending assembly 40 can be improved to save unnecessary space.

[0084] In some embodiments, a toggle member 60 is disposed on a side of the assembly away from the pressure plate 20 .

[0085] Among them, the toggle member 60 can be in the shape of a handle, or in the shape of a plate with a concave surface, or in other shapes that are convenient for manual operation. Through the design of the toggle member 60, the bridge plate 41 can be driven to rotate only by manual toggle to achieve the bending of the workpiece to be bent. The operation is relatively convenient and meets the requirements of trial production of small batches of products.

[0086] In some embodiments, a driving member is further included, and the driving member is transmission-connected to the bending assembly 40 to drive the bending assembly 40 to rotate.

[0087] The driving member may be a motor, and the output shaft of the motor is connected to the bridge plate 41 to achieve automatic bending and improve the bending efficiency.

[0088] In this utility model, unless otherwise clearly specified or limited, the terms "installation", "connection" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, an integral connection, or a transmission connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0089] In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as specific or special structures. The description of the term "some embodiments" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present utility model, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present utility model and the features of different embodiments or examples without contradiction.

[0090] The above implementation modes are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned implementation modes, a person skilled in the art should understand that the technical solutions described in the aforementioned implementation modes can still be modified, or some of the technical features can be replaced by equivalents. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various implementation modes of the present invention, and should all be included in the protection scope of the present invention.

Claims

1. A bending jig, characterized in that: include: Pedestal; A pressing plate, arranged on the base, the pressing plate having a bearing surface for placing a workpiece to be bent, wherein the workpiece to be bent comprises a main body portion and a flange portion connected to each other; A pressing member, the pressing member is located above the bearing surface to press the main body of the workpiece to be bent; as well as A bending assembly is rotatably disposed on the base, and the bending assembly includes a bending surface, which is adjacent to or connected to the edge of the bearing surface. The bending surface is configured to be able to rotate relative to the pressure plate under the action of an external force to bend the flange portion of the workpiece to be bent.

2. The bending jig according to claim 1, characterized in that: The pressing plate has a mounting portion and a first pressing portion that are connected and arranged in a step shape, the upper surface of the first pressing portion constitutes the bearing surface, the pressing member includes a fixing portion and a second pressing portion, the fixing portion is installed on the mounting portion, and the second pressing portion is located above the upper surface of the first pressing portion to press the main body of the workpiece to be bent onto the bearing surface of the first pressing portion.

3. The bending jig according to claim 2, characterized in that: The connection between the mounting portion and the first pressing portion constitutes a limiting surface, and the bending jig also includes a limiting member, which has two side edges arranged opposite to each other, one side edge is against the limiting surface, and the other side edge is used to against the main body of the workpiece to be bent.

4. The bending jig according to claim 1, characterized in that: The bending assembly comprises: A bridge plate, the bridge plate is rotatably mounted on the base; a bending piece is mounted on the bridge plate, and the upper surface of the bending piece constitutes the bending surface.

5. The bending jig according to claim 4, characterized in that: The bridge plate forms a step surface arranged at an angle, the step surface includes a first surface and a second surface connected to each other, the lower surface of the bending part overlaps the first surface, and the back surface of the bending part overlaps the second surface; The first surface and the second surface are planar.

6. The bending jig according to claim 4, characterized in that: There are multiple bending parts, and the multiple bending parts are distributed along the length direction of the bridge plate. The sizes of two bending parts in the multiple bending parts are the same or different. And / or, the bending part is a standard part with a predetermined size; And / or, the length of the bending surface ranges from 9 mm to 36 mm; And / or, the bending surface is a plane.

7. The bending jig according to claim 1, characterized in that: The rotation angle of the bending assembly between the working position and the non-working position is defined as θ, and then 0°≤θ≤100°.

8. The bending jig according to claim 4, characterized in that: It also includes a rotating assembly, which includes a mounting seat installed on a base and a rotating member rotatably mounted on the mounting seat, the side of the bridge plate is installed on the rotating member, the pressure plate has an avoidance gap, and the rotating member is at least partially located in the avoidance gap.

9. The bending jig according to any one of claims 1 to 8, characterized in that: A toggle member is provided on one side of the component away from the pressure plate.

10. The bending jig according to any one of claims 1 to 8, characterized in that: It also includes a driving member, which is transmission-connected to the bending assembly to drive the bending assembly to rotate.

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