Workpiece bending machine

Abstract

The utility model relates to the technical field of bending machines, in particular to a workpiece bending machine which comprises a base, a protection frame arranged on the top of the base and a driving assembly arranged on the top of the protection frame. An operation opening used for containing a to-be-bent workpiece is formed between the protection frame and the base, the telescopic end of the driving assembly penetrates through the supporting plate to be connected with the bending assembly, and an extending platform used for supporting the to-be-bent workpiece is arranged on the side, located on the operation opening, of the upper portion of the base. The bending device has the advantages that when the bending device is used, a workpiece is placed on the operation opening, the driving assembly is arranged to drive the bending assembly to bend the workpiece, the non-bent part of the workpiece is placed on the extending platform, hand holding is not needed, and operation is easy and safe.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a workpiece bending machine. Background Art

[0002] In the production and processing of steel structure plates, due to the specific requirements of the product, it is often necessary to bend the steel plate at a certain angle. According to the announcement number: CN208613413U, a steel plate bending machine is disclosed, including a frame, a top seat arranged on the top of the frame, a driving device connected to the top seat, an upper bending mechanism slidably connected to the frame, and a lower bending mechanism carried by the frame, the driving device is used to drive the upper bending mechanism to slide up and down, the upper bending mechanism includes a first crossbeam and a tool connected to the first crossbeam, the first crossbeam is slidably connected to the frame, the lower bending mechanism includes a second crossbeam, the second crossbeam is provided with a tool groove corresponding to the tool, and the steel plate bending machine also includes a laser emitter arranged on the frame, the laser emitter is used to align the light beam emitted by the laser emitter with the tool groove. The above utility model can reduce the scrap rate of steel plates, reduce production costs, and improve the working efficiency of steel plate bending machines. However, the above technologies still have some defects. For example, the existing bending machines are not designed with a support structure, and workers are required to hold the workpiece to bend during use, which can easily cause hand injuries to the workers. The practicality is poor and the operation is unsafe. Utility Model Content

[0003] The utility model aims to provide a workpiece bending machine to solve the technical problems that the existing bending machine equipment is not designed with a supporting structure and the workers need to hold the workpiece to bend during use, which can easily cause hand injuries to the workers and unsafe operation.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a workpiece bending machine, which includes a base, a protective frame arranged on the top of the base and a driving assembly arranged on the top of the protective frame, the protective frame includes a support plate and two baffles connecting the base and the support plate from both ends of the support plate, an operating port for placing the workpiece to be bent is formed between the protective frame and the base, the telescopic end of the driving assembly penetrates the support plate to connect the bending assembly, and an extension platform for supporting the workpiece to be bent is arranged on one side of the operating port at the upper part of the base. When the device in the utility model is used, the workpiece is placed on the operating port, and the bending assembly is driven by the driving assembly to bend the workpiece. The unbent part of the workpiece is placed on the extension platform, which does not need to be held by hand, and the operation is simple and safe.

[0005] As a preferred solution of a workpiece bending machine of the utility model, the driving assembly includes a hydraulic cylinder and a support rod connected to the output end of the hydraulic cylinder, the bottom end of the support rod is connected to the bending assembly, and in the working state, the output end of the hydraulic cylinder pushes the support rod to press down the bending assembly. The utility model sets a hydraulic cylinder as a power output, the output force is large, and the performance is stable when the workpiece is bent. By setting the support rod, the stroke of the output end can be increased, and the output end of the hydraulic cylinder is easily damaged when the bending assembly is connected to the output end of the hydraulic cylinder at high intensity. The support rod is set at the output end of the hydraulic cylinder, which is easy to replace and maintain.

[0006] As a preferred solution of a workpiece bending machine of the utility model, the bending assembly includes a pressing plate, a pressing block and a protrusion, a first mounting plate for connecting the pressing block is arranged at the bottom of the pressing plate, the top of the pressing block is fixedly connected to the first mounting plate, the protrusion is arranged at the top of the base 1, a bending groove is provided on the protrusion for the pressing block to bend the workpiece, and the notch of the bending groove matches the pressing surface size at the bottom of the pressing block. In the utility model, the pressing block is connected to the pressing plate through the first mounting plate, and if parts need to be replaced, they can be replaced separately, which is more convenient for maintenance and saves resources.

[0007] As a preferred solution of a workpiece bending machine of the utility model, a fixing groove for inserting a first mounting plate is provided at the bottom of the pressing plate, a mounting hole is provided on the pressing plate, a second threaded hole is provided on the first mounting plate, the first mounting plate is inserted into the fixing groove and aligned with the mounting hole and the second threaded hole, and a first screw that can fix the pressing plate and the first mounting plate is inserted into the mounting hole and the second threaded hole. The utility model fixes the first mounting plate inserted into the fixing groove by the first screw, realizes the rapid disassembly and maintenance of the pressing block, and prevents damage after long-term use. The integrated design of the pressing block and the pressing plate is inconvenient to replace, which wastes resources.

[0008] As a preferred solution of the workpiece bending machine of the utility model, a limit rod connecting the base and the support plate is arranged at the operation port, the limit rod is arranged on both sides of the pressing plate, and the pressing plate slides along the limit rod. The limit rod is arranged in the utility model to ensure that the pressing plate will not deviate during the pressing process, thereby ensuring the accuracy of the bending.

[0009] As a preferred solution of a workpiece bending machine of the utility model, the extension platform includes a support plate, a fixing plate and a second screw rod, fixing plates extending out of the support plate and extending toward the base are arranged on both sides of the support plate, a fixing hole is arranged on the fixing plate, a first threaded hole matching the fixing hole is arranged on the top of the base, and the second screw rod is inserted into the aligned fixing hole and the first threaded hole to fix the support plate on the base. In the utility model, a fixing plate is arranged, and the fixing plate is fixed to the base by the second screw rod, thereby fixing the support plate to support the workpiece, which is simple and safe to use, and is easy to disassemble, and convenient for maintenance and replacement.

[0010] As a preferred solution of a workpiece bending machine of the utility model, a second mounting plate is arranged on one side of the support plate close to the base, a mounting groove for accommodating the second mounting plate is arranged at the connection between the upper part of the base and the support plate, and after the second mounting plate is inserted into the mounting groove, the support plate is connected to the base through the fixing plate. The utility model can better fix the support plate by arranging the second mounting plate and inserting the second mounting plate into the base, so that the support plate can bear a larger weight and be more stable.

[0011] As a preferred solution of the workpiece bending machine of the utility model, the extension platform also includes a sliding plate, a receiving groove for slidingly connecting the sliding plate is provided on the side of the support plate away from the base, sliding grooves are provided on both sides of the inner wall of the support plate, and sliding blocks sliding in the sliding grooves are provided on both sides of the sliding plate near the base. By providing the sliding plate, the utility model can expand the extension platform by pulling out the sliding plate, and can place larger-sized workpieces to adapt to more scenarios.

[0012] As a preferred solution of the workpiece bending machine of the utility model, a handle for pulling the sliding plate is arranged on a side of the sliding plate away from the base. The utility model can be operated more conveniently and safely by arranging the handle.

[0013] The beneficial effects of a workpiece bending machine of the utility model: the utility model avoids the operator holding the workpiece during the bending process by designing a protective frame and an extension platform, thereby reducing the risk of hand injuries. When in use, the sliding plate is pulled out by a handle to place the workpiece, and the bent part of the workpiece is placed on the bending groove. The bending is automatically performed by a driving component, which simplifies the operating steps and improves work efficiency. The modular design of the pressing block and the pressing plate allows damaged parts to be replaced separately. The design of the threaded hole and the screw rod allows the pressing block to be quickly disassembled and repaired, thereby improving the maintenance efficiency of the equipment, saving maintenance costs and reducing resource waste. The design of the second mounting plate and the fixed plate enhances the stability and load-bearing capacity of the support plate, making it easy to operate and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0015] Figure 1 It is an overall schematic diagram of the device in the utility model.

[0016] Figure 2 It is an explosion diagram of the device in the utility model.

[0017] Figure 3It is a structural schematic diagram of the bending component of the device in the utility model.

[0018] Figure 4 For the device in the utility model Figure 2 A partial enlarged schematic diagram in the middle.

[0019] Figure 5 For the device in the utility model Figure 2 A partial enlarged schematic diagram of point B in the middle.

[0020] Figure 6 For the device in the utility model Figure 2 A partial enlarged schematic diagram of point C in the middle. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Reference Figure 1-6 This embodiment provides a workpiece bending machine, which places the workpiece to be processed by setting an extension platform 5. The extension platform 5 can be adjusted to accommodate workpieces of more sizes. The extension platform 5 does not need to be held by the staff, and the operation is simple and safe.

[0025] A workpiece bending machine includes a base 1, a protective frame 2 arranged on the top of the base 1 and a driving assembly 3 arranged on the top of the protective frame 2. The protective frame 2 includes a support plate 21 and two baffles 22 respectively connecting the base 1 and the support plate 21 from both ends of the support plate 21. An operating port 23 for placing materials is formed between the protective frame 2 and the base 1. The telescopic end of the driving assembly 3 passes through the support plate 21 to connect the bending assembly 4. The baffle 22 plays a supporting role to support the support plate 21 and the driving assembly 3. An extension platform 5 for placing a workpiece is arranged near the operating port 23 at the connection between the upper part of the base 1 and the protective frame 2.

[0026] Specifically, the driving assembly 3 includes a hydraulic cylinder 31 and a support rod 32 connected to the output end of the hydraulic cylinder 31. The bottom end of the support rod 32 is connected to the bending assembly 4. In the working state, the output end of the hydraulic cylinder 31 pushes the support rod 32 to press down the bending assembly 4 and then bend the workpiece.

[0027] Specifically, the bending assembly 4 includes a pressing plate 41 and a pressing block 42. A first mounting plate 43 for connecting the pressing block 42 is arranged at the bottom of the pressing plate 41. The top of the pressing block 42 is fixedly connected to the first mounting plate 43. The pressing block 42 is connected to the pressing plate 41 through the first mounting plate 43. If the pressing block 42 is damaged, only the pressing block 42 needs to be replaced. The operation is simple and resources are saved.

[0028] Furthermore, a fixing groove for inserting the first mounting plate 43 is provided at the bottom of the pressing plate 41, at least one mounting hole 44 is provided on the pressing plate 41, and a second threaded hole 45 matching the mounting hole 44 is provided on the first mounting plate 43. The first mounting plate 43 is inserted into the fixing groove and aligned with the mounting hole 44 and the second threaded hole 45. A first screw 46 for fixing the pressing plate 41 and the first mounting plate 43 is inserted into the mounting hole 44 and the second threaded hole 45. The first mounting plate 43 inserted into the fixing groove is fixed by the first screw 46, thereby realizing the rapid disassembly and maintenance of the pressing block 42.

[0029] The first screw rod 46 is provided with a rotating block for easy operation.

[0030] Furthermore, a limit rod 47 connecting the base 1 and the support plate 21 is provided at the operating port 23, and the limit rod 47 is provided on both sides of the pressure plate 41, and the pressure plate 41 slides along the limit rod 47. The limit rod 47 ensures that the pressure plate 41 will not deviate during the pressing process, thereby ensuring the accuracy of the bending.

[0031] Furthermore, the bending assembly 4 also includes a protrusion 48, and the protrusion 48 fixed on the top surface of the base 1 is arranged at the operating port 23. The protrusion 48 is provided with a bending groove 49 for the pressure block 42 to bend the workpiece. The notch of the bending groove 49 matches the size of the pressing surface at the bottom of the pressure block 42. The workpiece is placed on the protrusion 48, and the workpiece is pressed into the bending groove 49 by the pressure block 42 to complete the bending of the workpiece.

[0032] Specifically, the extension platform 5 includes a support plate 51, a fixing plate 52 and a second screw 53. Fixing plates 52 extending out of the support plate 51 and extending toward the base 1 are arranged on both sides of the support plate 51. A fixing hole 521 is opened on the fixing plate 52. A first threaded hole 11 matching the fixing hole 521 is opened on the top of the base 1. The second screw 53 is spirally inserted into the aligned fixing hole 521 and the first threaded hole 11 to fix the support plate 51 on the base 1. A workpiece can be placed on the support plate 51, and the support plate 51 can be quickly replaced and repaired by disassembling the second screw 53.

[0033] Furthermore, a second mounting plate 54 is provided on one side of the support plate 51 close to the base 1, and a mounting groove 55 for accommodating the second mounting plate 54 is provided at the connection between the upper part of the base 1 and the support plate 51. After the second mounting plate 54 is inserted into the mounting groove 55, the support plate 51 is connected to the base 1 through the fixing plate 52, and the second mounting plate 54 is inserted into the mounting groove 55. With the help of the base 1, the support plate 51 can withstand greater gravity.

[0034] Furthermore, the extension platform 5 also includes a sliding plate 56. A receiving groove 511 for slidingly connecting the sliding plate 56 is provided on the side of the support plate 51 away from the base 1, and sliding grooves 512 are provided on both sides of the inner wall of the support plate 51. Sliding blocks 57 that slide in the sliding grooves 512 are arranged on both sides of the sliding plate 56 near the base 1. Pulling out the sliding plate 56 can expand the extension platform 5, and larger workpieces can be placed to adapt to more scenarios.

[0035] Preferably, a handle 58 for pulling the sliding plate 56 out of the receiving groove 511 is provided on the side of the sliding plate 56 away from the base 1, which is simple and safe to operate.

[0036] In the utility model, the device is simple to assemble and convenient to maintain. The second mounting plate 54 is first inserted into the mounting groove 55, and then the support plate 51 is fixed to the base 1 through the fixing plate 52. The second screw 53 makes the support plate 51 easy to disassemble and maintain. The pressing block 42 is inserted into the fixing groove of the pressing plate 41 through the first mounting plate 43, and then fixed by the first screw 46, so that the pressing block 42 is fixed to the bottom of the pressing plate 41. The modular design makes the device easy to install and maintain; through the design of the second mounting plate 54 and the fixing plate 52, the stability and load-bearing capacity of the support plate 51 are enhanced, and it can be suitable for heavier workpieces. The extension platform 5 is designed with a sliding plate 56, and the length of the extension platform 5 can be adjusted according to the size of the workpiece to adapt to workpieces of different sizes.

[0037] The parts not specifically described in the above description are all prior art, or can be implemented by prior art. Moreover, the specific implementation cases described in this utility model are only preferred implementation cases of this utility model, and are not used to limit the implementation scope of this utility model. That is, all equivalent changes and modifications made according to the content of the patent scope of this utility model should be regarded as the technical scope of this utility model.

Claims

1. A workpiece bending machine, characterized in that: The invention comprises a base (1), a protective frame (2) arranged on the top of the base (1), and a driving assembly (3) arranged on the top of the protective frame (2); the protective frame (2) comprises a support plate (21) and two baffles (22) respectively connecting the base (1) and the support plate (21) from both ends of the support plate (21); an operating opening (23) for placing a workpiece to be bent is formed between the protective frame (2) and the base (1); a telescopic end of the driving assembly (3) penetrates the support plate (21) and is connected to a bending assembly (4); and an extension platform (5) for supporting the workpiece to be bent is arranged on one side of the operating opening (23) at the upper part of the base (1).

2. The workpiece bending machine according to claim 1, characterized in that: The driving assembly (3) comprises a hydraulic cylinder (31) and a support rod (32) connected to the output end of the hydraulic cylinder (31); the bottom end of the support rod (32) is connected to the bending assembly (4); in a working state, the output end of the hydraulic cylinder (31) pushes the support rod (32) to press down the bending assembly (4).

3. The workpiece bending machine according to claim 1, characterized in that: The bending assembly (4) comprises a pressing plate (41), a pressing block (42) and a protrusion (48); a first mounting plate (43) for connecting to the pressing block (42) is arranged at the bottom of the pressing plate (41); the top of the pressing block (42) is fixedly connected to the first mounting plate (43); the protrusion (48) is arranged at the top of the base (1); a bending groove (49) is provided on the protrusion (48) for the pressing block (42) to bend a workpiece; the notch of the bending groove (49) matches the size of the pressing surface at the bottom of the pressing block (42).

4. The workpiece bending machine according to claim 3, characterized in that: A fixing groove for inserting the first mounting plate (43) is provided at the bottom of the pressing plate (41), a mounting hole (44) is provided on the pressing plate (41), and a second threaded hole (45) is provided on the first mounting plate (43). The first mounting plate (43) is inserted into the fixing groove, the mounting hole (44) and the second threaded hole (45) are aligned, and a first screw (46) for fixing the pressing plate (41) and the first mounting plate (43) is screwed into the mounting hole (44) and the second threaded hole (45).

5. The workpiece bending machine according to claim 1, characterized in that: A limiting rod (47) connecting the base (1) and the support plate (21) is arranged at the operation port (23); the limiting rod (47) is arranged on both sides of the pressing plate (41); and the pressing plate (41) slides along the limiting rod (47).

6. The workpiece bending machine according to claim 1, characterized in that: The extension platform (5) comprises a support plate (51), a fixing plate (52) and a second screw rod (53); fixing plates (52) extending out of the support plate (51) and toward the base (1) are arranged on both sides of the support plate (51); a fixing hole (521) is provided on the fixing plate (52); a first threaded hole (11) matching the fixing hole (521) is provided on the top of the base (1); and the second screw rod (53) is inserted into the aligned fixing hole (521) and the first threaded hole (11) to fix the support plate (51) on the base (1).

7. The workpiece bending machine according to claim 6, characterized in that: A second mounting plate (54) is arranged on one side of the support plate (51) close to the base (1); a mounting groove (55) capable of accommodating the second mounting plate (54) is provided at the connection between the upper part of the base (1) and the support plate (51); after the second mounting plate (54) is inserted into the mounting groove (55), the support plate (51) is connected to the base (1) via the fixing plate (52).

8. The workpiece bending machine according to claim 6, characterized in that: The extension platform (5) further comprises a sliding plate (56); a receiving groove (511) for slidingly connecting the sliding plate (56) is provided on one side of the support plate (51) away from the base (1); sliding grooves (512) are provided on both sides of the inner wall of the support plate (51); and sliding blocks (57) for sliding in the sliding grooves (512) are provided on both sides of the sliding plate (56) near the base (1).

9. The workpiece bending machine according to claim 8, characterized in that A handle (58) for pulling the sliding plate (56) to slide is provided on one side of the sliding plate (56) away from the base (1).

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