Sheet metal part bending machine

Abstract

The utility model relates to the technical field of sheet metal part bending machines, in particular to a sheet metal part bending machine. Comprising a workbench, a supporting frame is fixedly installed at the top of the workbench, bending assemblies are fixedly installed at the tops of the supporting frame and the workbench, a centering assembly is arranged at the bottom of the workbench, a power assembly is fixedly installed at the bottom of the workbench, and the output end of the power assembly is in meshed connection with the centering assembly; the centering assembly comprises a first fixing frame and a two-way threaded rod, the first fixing frame is fixedly installed at the bottom of the workbench, and the two-way threaded rod is connected to one side of the first fixing frame through a bearing. Therefore, the machining part of the workpiece can be accurately positioned, and the purpose of improving the precision of the workpiece and the quality of a finished product is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal bending machines, and particularly relates to a sheet metal bending machine. Background Art

[0002] A bending machine is a device capable of bending metal sheets, and is mainly used in production processes such as metal processing and box manufacturing.

[0003] In modern industrial production, as an important metal processing equipment, the bending machine plays a key role. In the early bending process, manual operation was mostly relied on, which was not only inefficient, but also difficult to guarantee the accuracy. With the progress of technology, mechanical bending machines emerged, and a certain degree of bending processing was achieved through simple mechanical structures. However, there are still many problems to be improved and perfected in terms of accuracy, pressure, speed, and safety.

[0004] The "Sheet metal bending machine" disclosed in the Chinese Patent Publication No. "CN220591187U" includes a workbench, a bracket is arranged on the workbench, a hydraulic cylinder is arranged on the bracket, a connecting seat is arranged at the output end of the hydraulic cylinder, a T-shaped block is movably installed in the connecting seat, an upper die is arranged at the bottom end of the T-shaped block, a compression spring is arranged in the T-shaped block, positioning pins are arranged at both ends of the compression spring, and the two positioning pins are respectively inserted into the connecting seat. A positioning pedestal is arranged on the workbench, a positive and negative screw rod is rotatably installed in the positioning pedestal, a crank handle is arranged at one end of the positive and negative screw rod, a first slider and a second slider are respectively threadedly connected to the positive and negative screw rods, connecting rods are rotatably installed on the first slider and the second slider, and two symmetrically arranged lower templates are rotatably installed on the positioning pedestal. The centers of the two lower templates correspond to the center of the upper die. In the utility model, through the arrangement of the T-shaped block, the compression spring, and the positioning pins, the quick installation and disassembly of the upper die are realized, thereby facilitating the replacement of the upper die.

[0005] The existing bending machine does not have a good centering function before bending. It is very difficult to control the accurate position of the workpiece only by manual placement, and it is easy to have a poor bending effect. Moreover, it does not have a good auxiliary discharging function. It is very troublesome for manual continuous picking of sheet metal parts, and it is easy to get injured, which will affect the use effect.

[0006] Therefore, the utility model provides a sheet metal bending machine to solve the above problems. Utility Model Content

[0007] Aiming at the deficiencies of the prior art, the utility model provides a sheet metal bending machine, which solves the problems that the existing bending machine does not have a good centering function before bending, inaccurate manual positioning, and easy occurrence of poor bending effects.

[0008] To achieve the above objectives, the present utility model is realized through the following technical solutions: A sheet metal bending machine, comprising a workbench, a support frame is fixedly installed on the top of the workbench, bending components are fixedly installed on the top of both the support frame and the workbench, a centering component is arranged at the bottom of the workbench, a power component is fixedly installed at the bottom of the workbench, and a meshing connection is provided between the output end of the power component and the centering component; The centering component includes a first fixed frame and a bidirectional threaded rod, the first fixed frame is fixedly installed at the bottom of the workbench, the bidirectional threaded rod is connected to one side of the first fixed frame through a bearing, a first gear is fixedly connected to the side wall of the bidirectional threaded rod, a meshing connection is provided between the first gear and the output end of the power component, a rectangular groove is opened on the top of the workbench, a sliding plate is connected to the side wall of the bidirectional threaded rod through a thread, and the sliding plate is slidably connected to the rectangular groove.

[0009] Furthermore, a discharging component is arranged on one side of the workbench, the discharging component includes a second fixed frame and a stepping motor, the second fixed frame is fixedly installed on one side of the workbench, the stepping motor is fixedly installed at the bottom of the second fixed frame, an L-shaped rod is fixedly connected to the output end of the stepping motor, a fixing plate is fixedly connected to one end of the L-shaped rod, a first air cylinder is fixedly installed on the top of the fixing plate, and a pneumatic suction cup is fixedly connected to the output end of the first air cylinder.

[0010] Furthermore, the edge positions of the fixing plate and the second fixed frame are processed with rounded corners.

[0011] Furthermore, anti-slip blocks are arranged at the bottom of the workbench, and the number of the anti-slip blocks is four.

[0012] Furthermore, the power component includes a first motor and a second gear, the first motor is fixedly installed at the bottom of the workbench, the second gear is fixedly connected to the output end of the first motor, and a meshing connection is provided between the second gear and the first gear.

[0013] Furthermore, the centering component further includes limit blocks, and the limit blocks are fixedly connected to both ends of the bidirectional threaded rod.

[0014] Furthermore, the bending component includes a double-axis air cylinder and an upper pressing plate, the double-axis air cylinder is fixedly installed on the top of the support frame, the upper pressing plate is fixedly connected to the output end of the double-axis air cylinder, and a lower pressing plate is fixedly installed on the top of the workbench. Beneficial effects

[0015] The present utility model provides a sheet metal bending machine. Compared with the prior art, the following beneficial effects are achieved:

[0016] 1. The sheet metal bending machine can center the sheet metal through the set centering component and power component, enabling it to be located exactly in the center, resulting in a better bending effect. During the bending process, there will be no errors in dimensions, which further guarantees the quality of the sheet metal and enhances the user experience.

[0017] 2. The sheet metal bending machine can assist in discharging the bent sheet metal through the set discharging component, enabling it to be discharged in a timely manner, facilitating the continuity of subsequent bending work, and reducing the inconvenience and poor safety of manual handling. Description of the Drawings

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 is the overall structural schematic diagram of the present invention;

[0020] Figure 2 is the present invention Figure 1 is the enlarged view of the structure at A in the present invention;

[0021] Figure 3 is the rear view of the overall structure of the present invention;

[0022] Figure 4 is the present invention Figure 3 is the enlarged view of the structure at B in the present invention.

[0023] In the figure: 1, workbench; 2, support frame; 3, bending component; 31, double-axis cylinder; 32, upper pressure plate; 33, lower pressure plate; 4, centering component; 41, fixing frame one; 42, bidirectional threaded rod; 43, gear one; 44, rectangular groove; 45, sliding plate; 46, limit block; 5, power component; 51, motor one; 52, gear two; 6, discharging component; 61, fixing frame two; 62, stepping motor; 63, L-shaped rod; 64, fixing plate; 65, cylinder one; 66, pneumatic suction cup. Detailed Embodiments

[0024] It should be noted that in the description of the embodiments of the present application, the orientation or positional relationship indicated by terms such as "front, back", "left, right", "up, down", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. The terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0025] The present application will be further described in detail below with reference to the drawings and embodiments.

[0026] Referring to Figures 1 to 4 , an embodiment of the present application provides a sheet metal bending machine, including a workbench 1. A support frame 2 is fixedly installed on the top of the workbench 1. Bending assemblies 3 are fixedly installed on the tops of both the support frame 2 and the workbench 1. The bending assembly 3 includes a double-axis cylinder 31 and an upper pressing plate 32. The double-axis cylinder 31 is fixedly installed on the top of the support frame 2. A fixed connection is provided between the upper pressing plate 32 and the output end of the double-axis cylinder 31. A lower pressing plate 33 is fixedly installed on the top of the workbench 1. A centering assembly 4 is arranged at the bottom of the workbench 1. A power assembly 5 is fixedly installed at the bottom of the workbench 1. The power assembly 5 includes a first motor 51 and a second gear 52. The first motor 51 is fixedly installed at the bottom of the workbench 1. A fixed connection is provided between the second gear 52 and the output end of the first motor 51. The second gear 52 is meshed with a first gear 43. The output end of the power assembly 5 is meshed with the centering assembly 4; the centering assembly 4 includes a first fixing frame 41 and a bidirectional threaded rod 42. The first fixing frame 41 is fixedly installed at the bottom of the workbench 1. The bidirectional threaded rod 42 is connected to one side of the first fixing frame 41 through a bearing. A first gear 43 is fixedly connected to the side wall of the bidirectional threaded rod 42. The first gear 43 is meshed with the output end of the power assembly 5. A rectangular groove 44 is formed in the top of the workbench 1. A sliding plate 45 is connected to the side wall of the bidirectional threaded rod 42 through a thread. The sliding plate 45 is slidably connected to the rectangular groove 44. The centering assembly 4 further includes a limiting block 46. The limiting block 46 is fixedly connected to both ends of the bidirectional threaded rod 42.

[0027] In this embodiment, first place the sheet metal part on the top of the lower pressing plate 33, and then start the first motor 51. The first motor 51 can drive the first gear 43 to rotate through the second gear 52, so that the first gear 43 can drive the bidirectional threaded rod 42 to rotate. Then, the bidirectional threaded rod 42 drives the sliding plate 45 to slide inside the rectangular groove 44, enabling the sliding plate 45 to center the sheet metal part. Then, start the double-axis cylinder 31, and the upper pressing plate 32 can bend the sheet metal part, and the bending is simple and convenient.

[0028] Referring to Figures 1 to 4 , in one aspect of this embodiment, a discharging assembly 6 is provided on one side of the workbench 1. The discharging assembly 6 includes a second fixing frame 61 and a stepping motor 62. The second fixing frame 61 is fixedly installed on one side of the workbench 1, and the stepping motor 62 is fixedly installed at the bottom of the second fixing frame 61. The output end of the stepping motor 62 is fixedly connected to an L-shaped rod 63. One end of the L-shaped rod 63 is fixedly connected to a fixing plate 64. A first cylinder 65 is fixedly installed on the top of the fixing plate 64. The output end of the first cylinder 65 is fixedly connected to a pneumatic suction cup 66. The edge positions of the fixing plate 64 and the second fixing frame 61 are rounded.

[0029] In this embodiment, then start the stepping motor 62 to drive the L-shaped rod 63 to rotate, so that the fixing plate 64 can be located above the sheet metal part. Then start the first cylinder 65 to drive the pneumatic suction cup 66 to stick tightly to the sheet metal part. Then start the pneumatic suction cup 66 to adsorb the sheet metal part. Then start the stepping motor 62 to drive the L-shaped rod 63 to rotate 180 degrees. Finally, start the pneumatic suction cup 66 to release the sheet metal part, so as to facilitate the discharging work, and the discharging is simple and convenient.

[0030] Referring to Figures 1 to 4 , in one aspect of this embodiment, anti-slip blocks are provided at the bottom of the workbench 1, and the number of anti-slip blocks is four.

[0031] In this embodiment, it can achieve a good anti-slip effect and make the whole more stable.

[0032] Working principle: First place the sheet metal part on the top of the lower pressing plate 33, and then start the first motor 51. The first motor 51 can drive the first gear 43 to rotate through the second gear 52, so that the first gear 43 can drive the bidirectional threaded rod 42 to rotate. Then, the bidirectional threaded rod 42 drives the sliding plate 45 to slide inside the rectangular groove 44, enabling the sliding plate 45 to center the sheet metal part. Then, start the double-axis cylinder 31, and the upper pressing plate 32 can bend the sheet metal part.

[0033] Then, starting the stepper motor 62 can drive the L-shaped rod 63 to rotate, so that the fixing plate 64 can be located above the sheet metal part. Then, starting the first cylinder 65 can drive the pneumatic suction cup 66 to closely adhere to the sheet metal part. Next, starting the pneumatic suction cup 66 can adsorb the sheet metal part. Then, starting the stepper motor 62 drives the L-shaped rod 63 to rotate 180°. Finally, starting the pneumatic suction cup 66 releases the sheet metal part.

[0034] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present application have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present application. The scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A sheet metal bending machine, comprising a workbench (1), characterized in that: A support frame (2) is fixedly mounted on the top of the workbench (1), a bending assembly (3) is fixedly mounted on the top of the support frame (2) and the workbench (1), a centering assembly (4) is arranged at the bottom of the workbench (1), a power assembly (5) is fixedly mounted at the bottom of the workbench (1), and an output end of the power assembly (5) is meshingly connected with the centering assembly (4); The centering component (4) comprises a fixing frame (41) and a bidirectional threaded rod (42), wherein the fixing frame (41) is fixedly mounted on the bottom of the workbench (1), the bidirectional threaded rod (42) is connected to one side of the fixing frame (41) via a bearing, a gear (43) is fixedly connected to the side wall of the bidirectional threaded rod (42), the gear (43) is meshingly connected to the output end of the power component (5), a rectangular groove (44) is provided on the top of the workbench (1), a sliding plate (45) is threadedly connected to the side wall of the bidirectional threaded rod (42), and the sliding plate (45) is slidably connected to the rectangular groove (44).

2. A sheet metal bending machine according to claim 1, characterized in that: A material discharging assembly (6) is provided on one side of the workbench (1), and the material discharging assembly (6) comprises a second fixing frame (61) and a stepper motor (62). The second fixing frame (61) is fixedly mounted on one side of the workbench (1), and the stepper motor (62) is fixedly mounted on the bottom of the second fixing frame (61). An output end of the stepper motor (62) is fixedly connected to an L-shaped rod (63), one end of the L-shaped rod (63) is fixedly connected to a fixing plate (64), a first cylinder (65) is fixedly mounted on the top of the fixing plate (64), and an output end of the first cylinder (65) is fixedly connected to a pneumatic suction cup (66).

3. A sheet metal bending machine according to claim 2, characterized in that: The edges of the fixing plate (64) and the second fixing frame (61) are rounded.

4. The sheet metal bending machine according to claim 1, characterized in that: The bottom of the workbench (1) is provided with anti-sliding blocks, and the number of the anti-sliding blocks is four.

5. The sheet metal bending machine according to claim 1, characterized in that: The power assembly (5) comprises a motor 1 (51) and a gear 2 (52); the motor 1 (51) is fixedly mounted on the bottom of the workbench (1); the gear 2 (52) is fixedly connected to an output end of the motor 1 (51); and the gear 2 (52) is meshingly connected to the gear 1 (43).

6. The sheet metal bending machine according to claim 1, characterized in that: The centering component (4) further comprises a limit block (46), wherein the limit block (46) is fixedly connected to both ends of the bidirectional threaded rod (42).

7. The sheet metal bending machine according to claim 1, characterized in that: The bending assembly (3) comprises a double-axis cylinder (31) and an upper pressing plate (32); the double-axis cylinder (31) is fixedly mounted on the top of the support frame (2); the upper pressing plate (32) is fixedly connected to the output end of the double-axis cylinder (31); and a lower pressing plate (33) is fixedly mounted on the top of the workbench (1).

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