Bending machine machining positioning device

Abstract

The utility model provides a bending machine machining positioning device, and belongs to the technical field of bending machine machining auxiliary devices. Comprising a workbench and a positioning assembly, a protective cover is arranged at the top of one side of the workbench, and a limiting assembly is arranged in the workbench through a formed groove. According to the metal sheet bending device, the limiting assemblies are arranged to drive the two positioning assemblies to bend a metal sheet needing to be bent, the metal sheet can be clamped and positioned through the limiting rods A and the limiting rods B of the positioning assemblies, and the angles of the limiting rods A and the limiting rods B can be adjusted through the long connecting rods and the short connecting rods; the metal sheet bending device can be fixed through the fixing bolts, so that a worker can conveniently position the metal sheet according to the required bending angle of the metal sheet, the metal sheet can be supported through the supporting assembly, the metal sheet is directly placed on the supporting assembly to be bent, and the phenomenon that in the bending process, due to the fact that one end of the metal sheet tilts up, the metal sheet is bent is effectively avoided. And a certain potential safety hazard is caused to a worker holding the metal sheet.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machine processing auxiliary devices, in particular to a bending machine processing positioning device. Background Art

[0002] A bending machine is a machine used for sheet metal processing, mainly used to bend cold sheet metal into workpieces of various geometric cross-sectional shapes. It is widely used in sheet metal bending processing in industries such as automobiles, aircraft manufacturing, light industry, shipbuilding, containers, elevators, and railway vehicles.

[0003] The bending machine processing positioning device disclosed in the Chinese utility model patent application disclosure specification CN220591199U, although by setting a guide rod and a positioning plate, because the two positioning plates are slidably connected outside the guide rod, the guide rod can limit the positioning plate, so that the positioning plate will not shake during movement, so that the positioning plate can move smoothly along the axial direction of the guide rod under the action of the adjustment component, but it is difficult to support the metal sheet during use. The worker needs to hold the metal sheet at one end to operate, which greatly increases the labor intensity of the workers. In addition, the bending machine will lift one end of the metal sheet when bending, which poses a certain safety hazard to the workers. When positioning it, it is difficult to adjust the placement angle of the metal sheet, which greatly affects the applicability of the machine. Therefore, the present application provides a bending machine processing positioning device to meet the needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a processing positioning device for a bending machine to solve the problem that it is difficult to support a metal sheet during use. A worker needs to hold the metal sheet in one end for operation, which greatly increases the labor intensity of the workers. In addition, the bending machine will lift up one end of the metal sheet when bending, thereby causing certain safety hazards to the workers. When positioning it, it is difficult to adjust the placement angle of the metal sheet, which greatly affects the applicability of the machine.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A bending machine processing positioning device comprises a workbench and a positioning assembly, wherein a protective cover is provided on the top of one side of the workbench, a limiting assembly is provided inside the workbench through a groove, a positioning assembly is provided on the top of the limiting assembly, and a supporting assembly is provided in the center of the top of the workbench;

[0007] The positioning assembly includes a connecting block, a placement plate, a fixing rod, a limiting rod A, a limiting rod B, a long connecting rod, a short connecting rod, a fixing bolt and a toggle groove. A placing plate is provided on the top of the connecting block, a fixing rod is welded on the top of one side of the placement plate, a long connecting rod and a short connecting rod are connected to the top of the fixing rod through a rotating shaft, a limiting rod A is provided on one side of the fixing rod through the long connecting rod and the short connecting rod, a limiting rod B is provided on one side of the limiting rod A through another long connecting rod and the short connecting rod, fixing bolts are provided at both ends of the long connecting rod and the short connecting rod through threaded grooves, and a toggle groove is provided at one end of the limiting rod A.

[0008] Optionally, there are two long connecting rods and two short connecting rods, wherein two ends of one of the long connecting rods and the short connecting rod are respectively connected to the fixing rod and the limiting rod A, and two ends of the other long connecting rod and the short connecting rod are respectively connected to the limiting rod A and the limiting rod B.

[0009] Optionally, there are two placement plates, the bottom of each placement plate is connected to two connecting blocks, the number of fixing bolts on each positioning assembly is eight, a toggle groove is provided at one end of the limit rod B, and a rubber pad is provided on one side of the limit rod A.

[0010] Optionally, the limit assembly includes a motor, a pulley A, a belt, a pulley B, a bidirectional threaded rod, a movable block, a connecting plate and a limit strip, the output end of the motor is connected to the pulley A through a rotating shaft, a belt is sleeved on the outer side of the pulley A, a pulley B is sleeved on the inner side of one end of the belt, a bidirectional threaded rod is provided on one side of the pulley A and the pulley B, the outer side of the bidirectional threaded rod is connected to a movable block through a thread, the top of the movable block is connected to a connecting plate through a slide plate, limit strips are provided on both sides of the movable block, the top of the workbench is connected to the connecting plate through an opened slide groove, and the top of the connecting plate is connected to the bottom of the connecting block.

[0011] Optionally, the number of the connecting blocks is four, the interior of the workbench is connected to the motor via an opened groove, the interior of the workbench is connected to the pulley B via a rotating shaft, and the interior sides of the workbench are connected to the limit strips via opened grooves.

[0012] Optionally, the number of the bidirectional threaded rods is two, the threads at both ends of the two bidirectional threaded rods are in opposite directions, and the pulley A and the pulley B are connected by a belt.

[0013] Optionally, the supporting assembly includes a fixed plate, a limit box, a fixed block, a spring, a telescopic rod, a slider and a supporting plate, a limit box is provided inside the fixed plate through a groove, a fixed block is provided in the middle of the limit box, springs are provided on both sides of the fixed block, a telescopic rod is provided at one end of the spring, a slider is provided at one end of the telescopic rod, a supporting plate is provided on the top of the slider, one side of the supporting plate is connected to one side of the placing plate, and the middle of the top of the workbench is connected to the bottom of the fixed plate.

[0014] Optionally, the number of the support plates is two, wherein the bottom of each of the support plates is connected to two sliding blocks, the number of the telescopic rods is four, and the bottom of the fixed plate is provided with two sliding grooves.

[0015] Optionally, the placement plate and the support plate are in the same horizontal plane, the inner two sides of the fixing plate are connected to the support plate, and the fixing plate and the support plate are in the same horizontal plane.

[0016] Optionally, a pressing plate is provided on the top of the workbench through an opened groove, a bending machine is provided inside the protective cover, a controller is provided on one side of the protective cover, and the bending machine is connected to the pressing plate.

[0017] Compared with the prior art, the utility model has at least the following beneficial effects:

[0018] In the above scheme, by setting a limit assembly, the two positioning assemblies can be driven to bend the metal sheet that needs to be bent, the metal sheet can be clamped and positioned by the limit rod A and the limit rod B of the positioning assembly, the angles of the limit rod A and the limit rod B can be adjusted by the long connecting rod and the short connecting rod, and it can be fixed by the fixing bolts, so that the workers can position the metal sheet according to the angle at which the metal sheet needs to be bent, and the metal sheet can be supported by the supporting assembly, which greatly reduces the labor intensity of the workers, and the metal sheet is directly placed on the supporting assembly for bending, which can effectively avoid certain safety hazards to the workers holding the metal sheet due to one end of the metal sheet tilting up during the bending process.

[0019] By setting a motor, pulley A can be driven to rotate, so that pulley B can be driven to rotate through the belt. When pulley A and pulley B rotate, the bidirectional threaded rod can be driven to rotate. The threads at both ends of the bidirectional threaded rod are in opposite directions, so the movable blocks at both ends can move toward each other, and then the metal sheet is limited by the positioning component. The limit bar can prevent the movable block from shifting during the movement, thereby affecting the use of the machine. By connecting the connecting block with the connecting plate, the placement plates of the two positioning components can be moved toward each other to clamp and position the metal sheet. The inclination angles of the limit rod A and the limit rod B can be adjusted by the long connecting rod and the short connecting rod, so that the workers can adjust the placement angle of the metal sheet according to the bending requirements of the metal sheet, which greatly improves the applicability of the machine. The long connecting rod and the short connecting rod can be fixed by fixing bolts to prevent them from shifting during bending to affect the bending effect of the metal sheet. The toggle slot is convenient for workers to adjust the limit rod A and the limit rod B.

[0020] The metal sheet can be supported by the set fixed plate and support plate. The limit assembly drives the two positioning assemblies to move toward each other so that the support plate can squeeze the telescopic rod through the slider to make it telescope in the limit box under the action of the spring. This makes it convenient for workers to adjust the support assembly according to the width of the metal sheet, thereby facilitating the support of the metal sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the bending machine processing positioning device;

[0023] Figure 2 It is a schematic diagram of the structure of the limit component;

[0024] Figure 3 It is a schematic diagram of the positioning component structure;

[0025] Figure 4 It is a schematic diagram of the supporting component structure;

[0026] Figure 5 It is a schematic diagram of the activity block structure;

[0027] Figure 6 It is a schematic diagram of the planar structure of the support component.

[0028] [reference numerals]

[0029] 1. Workbench; 2. Protective cover; 3. Limiting assembly; 4. Positioning assembly; 5. Support assembly; 6. Bending machine; 7. Press plate; 8. Controller; 301. Motor; 302. Pulley A; 303. Belt; 304. Pulley B; 305. Bidirectional threaded rod; 306. Movable block; 307. Connecting plate; 308. Limiting strip; 401. Connecting block; 402. Placement plate; 403. Fixing rod; 404. Limiting rod A; 405. Limiting rod B; 406. Long connecting rod; 407. Short connecting rod; 408. Fixing bolt; 409. Toggle slot; 501. Fixing plate; 502. Limiting box; 503. Fixing block; 504. Spring; 505. Telescopic rod; 506. Slider; 507. Support plate.

[0030] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0031] The following is a detailed description of a bending machine processing positioning device provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0032] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0033] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0034] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0035] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0036] like Figure 1-Figure 6 As shown, the embodiment of the utility model provides a bending machine processing positioning device, including a workbench 1 and a positioning component 4, a protective cover 2 is provided on the top of one side of the workbench 1, a limiting component 3 is provided inside the workbench 1 through a groove, a positioning component 4 is provided on the top of the limiting component 3, and a supporting component 5 is provided in the center of the top of the workbench 1;

[0037] The positioning assembly 4 includes a connecting block 401, a placing plate 402, a fixing rod 403, a limiting rod A404, a limiting rod B405, a long connecting rod 406, a short connecting rod 407, a fixing bolt 408 and a toggle slot 409. A placing plate 402 is provided on the top of the connecting block 401, a fixing rod 403 is welded on the top of one side of the placing plate 402, a long connecting rod 406 and a short connecting rod 407 are connected to the top of the fixing rod 403 via a rotating shaft, a limiting rod A404 is provided on one side of the fixing rod 403 via the long connecting rod 406 and the short connecting rod 407, a limiting rod B405 is provided on one side of the limiting rod A404 via another long connecting rod 406 and the short connecting rod 407, fixing bolts 408 are provided at both ends of the long connecting rod 406 and the short connecting rod 407 via threaded grooves, and a toggle slot 409 is provided at one end of the limiting rod A404.

[0038] The limit component 3 can drive the two positioning components 4 to bend the metal sheet that needs to be bent. The limit rod A404 and the limit rod B405 of the positioning component 4 can clamp and position the metal sheet. The angles of the limit rod A404 and the limit rod B405 can be adjusted by the long connecting rod 406 and the short connecting rod 407. The fixing bolt 408 can be used to fix it. The metal sheet can be supported by the support component 5. The metal sheet is directly placed on the support component 5 for bending. This can effectively avoid certain safety hazards to the workers holding the metal sheet due to one end of the metal sheet tilting up during the bending process.

[0039] like Figure 1 and Figure 3 As shown, the number of the long connecting rod 406 and the short connecting rod 407 is two, wherein the two ends of one of the long connecting rod 406 and the short connecting rod 407 are respectively connected to the fixing rod 403 and the limiting rod A404, and the two ends of the other long connecting rod 406 and the short connecting rod 407 are respectively connected to the limiting rod A404 and the limiting rod B405, the number of the placing plates 402 is two, the bottom of each placing plate 402 is connected to two connecting blocks 401, the number of the fixing bolts 408 on each positioning assembly 4 is eight, a toggle groove 409 is provided at one end of the limiting rod B405, a rubber pad is provided on one side of the limiting rod A404, a pressing plate 7 is provided on the top of the workbench 1 through the groove, a bending machine 6 is provided inside the protective cover 2, a controller 8 is provided on one side of the protective cover 2, and the bending machine 6 is connected to the pressing plate 7.

[0040] The inclination angle of the limit rod A404 and the limit rod B405 can be adjusted by the long connecting rod 406 and the short connecting rod 407, so that the workers can adjust the placement angle of the metal sheet according to the bending requirements of the metal sheet. The long connecting rod 406 and the short connecting rod 407 can be fixed by the fixing bolts 408 to prevent them from shifting during bending and affecting the bending effect of the metal sheet. The toggle groove 409 facilitates the workers to adjust the limit rod A404 and the limit rod B405. The bending machine 6 and the pressing plate 7 can bend the metal sheet. The bending machine 6 and the pressing plate 7 are existing well-known technologies and will not be elaborated on here.

[0041] like Figure 1 , Figure 2 and Figure 5As shown, the limiting assembly 3 includes a motor 301, a pulley A302, a belt 303, a pulley B304, a bidirectional threaded rod 305, a movable block 306, a connecting plate 307 and a limiting strip 308. The output end of the motor 301 is connected to the pulley A302 through a rotating shaft, the outer side of the pulley A302 is sleeved with a belt 303, the inner side of one end of the belt 303 is sleeved with a pulley B304, one side of the pulley A302 and the pulley B304 is provided with a bidirectional threaded rod 305, the outer side of the bidirectional threaded rod 305 is connected to the movable block 306 through a thread, and the top of the movable block 306 is connected to the connecting plate 307 through a slide plate , limit bars 308 are provided on both sides of the movable block 306, the top of the workbench 1 is connected to the connecting plate 307 through an opened slide groove, the top of the connecting plate 307 is connected to the bottom of the connecting block 401, the number of connecting blocks 401 is four, the interior of the workbench 1 is connected to the motor 301 through an opened groove, the interior of the workbench 1 is connected to the pulley B304 through a rotating shaft, the two sides of the interior of the workbench 1 are connected to the limit bars 308 through the opened grooves, the number of the two-way threaded rods 305 is two, the two ends of the two-way threaded rods 305 have opposite thread directions, and the pulley A302 and the pulley B304 are connected by a belt 303.

[0042] By turning on the motor 301, the pulley A302 can be driven to rotate, and then the pulley B304 can be driven to rotate through the belt 303. When the pulleys A302 and B304 rotate, the bidirectional threaded rod 305 can be driven to rotate. The threads at both ends of the bidirectional threaded rod 305 are in opposite directions, so the movable blocks 306 at both ends can move toward each other, and then the metal sheet can be limited by the positioning component 4, and the limit bar 308 can prevent the movable block from shifting during the movement.

[0043] like Figure 1 , Figure 4 and Figure 6As shown, the support assembly 5 includes a fixed plate 501, a limit box 502, a fixed block 503, a spring 504, a telescopic rod 505, a slider 506 and a support plate 507. The fixed plate 501 is provided with a limit box 502 through a groove, the middle of the limit box 502 is provided with a fixed block 503, springs 504 are provided on both sides of the fixed block 503, one end of the spring 504 is provided with a telescopic rod 505, one end of the telescopic rod 505 is provided with a slider 506, and the top of the slider 506 is provided with a support plate 507. One side of the support plate 507 is connected to one side of the placement plate 402, and the middle of the top of the workbench 1 is connected to the bottom of the fixed plate 501. There are two support plates 507, and the bottom of each support plate 507 is connected to two sliders 506. There are four telescopic rods 505. Two sliding grooves are provided at the bottom of the fixed plate 501. The placement plate 402 and the support plate 507 are in the same horizontal plane. The inner two sides of the fixed plate 501 are connected to the support plate 507, and the fixed plate 501 and the support plate 507 are in the same horizontal plane.

[0044] The metal sheet can be supported by the fixed plate 501 and the support plate 507. The two positioning components 4 can be driven by the limit component 3 to move toward each other so that the support plate 507 can squeeze the telescopic rod 505 through the slider 506 to make it telescope in the limit box 502 under the action of the spring 504, thereby making it convenient for workers to adjust the support component 5 according to the width of the metal sheet.

[0045] The working principle provided by the utility model is that a limit assembly can be set to drive two positioning assemblies to bend the metal sheet that needs to be bent, the metal sheet can be clamped and positioned by the limit rod A and the limit rod B of the positioning assembly, the angles of the limit rod A and the limit rod B can be adjusted by the long connecting rod and the short connecting rod, and they can be fixed by fixing bolts, so that it is convenient for workers to position the metal sheet according to the angle at which the metal sheet needs to be bent, the metal sheet can be supported by the supporting assembly, which greatly reduces the labor intensity of the workers, and the metal sheet is directly placed on the supporting assembly for bending, which can effectively avoid certain safety hazards to the workers holding the metal sheet due to one end of the metal sheet being lifted up during the bending process.

[0046] By setting a motor, pulley A can be driven to rotate, so that pulley B can be driven to rotate through the belt. When pulley A and pulley B rotate, the bidirectional threaded rod can be driven to rotate. The threads at both ends of the bidirectional threaded rod are in opposite directions, so the movable blocks at both ends can move toward each other, and then the metal sheet is limited by the positioning component. The limit bar can prevent the movable block from shifting during the movement, thereby affecting the use of the machine. By connecting the connecting block with the connecting plate, the placement plates of the two positioning components can be moved toward each other to clamp and position the metal sheet. The inclination angles of the limit rod A and the limit rod B can be adjusted by the long connecting rod and the short connecting rod, so that the workers can adjust the placement angle of the metal sheet according to the bending requirements of the metal sheet, which greatly improves the applicability of the machine. The long connecting rod and the short connecting rod can be fixed by fixing bolts to prevent them from shifting during bending to affect the bending effect of the metal sheet. The toggle slot is convenient for workers to adjust the limit rod A and the limit rod B.

[0047] The metal sheet can be supported by the set fixed plate and support plate. The limit assembly drives the two positioning assemblies to move toward each other so that the support plate can squeeze the telescopic rod through the slider to make it telescope in the limit box under the action of the spring. This makes it convenient for workers to adjust the support assembly according to the width of the metal sheet, thereby facilitating the support of the metal sheet.

[0048] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0049] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A bending machine processing positioning device, characterized in that: It comprises a workbench and a positioning component, wherein a protective cover is provided on the top of one side of the workbench, a limiting component is provided inside the workbench through a groove, a positioning component is provided on the top of the limiting component, and a supporting component is provided in the center of the top of the workbench; The positioning assembly includes a connecting block, a placement plate, a fixing rod, a limiting rod A, a limiting rod B, a long connecting rod, a short connecting rod, a fixing bolt and a toggle groove. A placing plate is provided on the top of the connecting block, a fixing rod is welded on the top of one side of the placement plate, a long connecting rod and a short connecting rod are connected to the top of the fixing rod through a rotating shaft, a limiting rod A is provided on one side of the fixing rod through the long connecting rod and the short connecting rod, a limiting rod B is provided on one side of the limiting rod A through another long connecting rod and the short connecting rod, fixing bolts are provided at both ends of the long connecting rod and the short connecting rod through threaded grooves, and a toggle groove is provided at one end of the limiting rod A.

2. The bending machine processing positioning device according to claim 1, characterized in that: There are two long connecting rods and two short connecting rods, one of which has two ends connected to the fixing rod and the limiting rod A respectively, and the other of which has two ends connected to the limiting rod A and the limiting rod B respectively.

3. The bending machine processing positioning device according to claim 1, characterized in that: There are two placement plates, the bottom of each placement plate is connected to two connecting blocks, there are eight fixing bolts on each positioning assembly, a toggle groove is provided at one end of the limit rod B, and a rubber pad is provided on one side of the limit rod A.

4. The bending machine processing positioning device according to claim 1, characterized in that: The limiting assembly includes a motor, a pulley A, a belt, a pulley B, a bidirectional threaded rod, a movable block, a connecting plate and a limiting strip. The output end of the motor is connected to the pulley A through a rotating shaft. A belt is sleeved on the outer side of the pulley A. A pulley B is sleeved on the inner side of one end of the belt. A bidirectional threaded rod is provided on one side of the pulley A and the pulley B. The outer side of the bidirectional threaded rod is connected to a movable block through a thread. The top of the movable block is connected to a connecting plate through a slide plate. Limiting strips are provided on both sides of the movable block. The top of the workbench is connected to the connecting plate through an opened slide groove, and the top of the connecting plate is connected to the bottom of the connecting block.

5. The bending machine processing positioning device according to claim 4, characterized in that: The number of the connecting blocks is four, the interior of the workbench is connected to the motor via an opened groove, the interior of the workbench is connected to the pulley B via a rotating shaft, and the interior sides of the workbench are connected to the limit strips via opened grooves.

6. The bending machine processing positioning device according to claim 4, characterized in that: There are two bidirectional threaded rods, and the threads at both ends of the two bidirectional threaded rods are in opposite directions. The pulley A and the pulley B are connected by a belt.

7. The bending machine processing positioning device according to claim 1, characterized in that: The supporting assembly includes a fixed plate, a limit box, a fixed block, a spring, a telescopic rod, a slider and a supporting plate, wherein a limit box is provided inside the fixed plate through a groove, a fixed block is provided in the middle of the limit box, springs are provided on both sides of the fixed block, a telescopic rod is provided at one end of the spring, a slider is provided at one end of the telescopic rod, a supporting plate is provided on the top of the slider, one side of the supporting plate is connected to one side of the placing plate, and the middle of the top of the workbench is connected to the bottom of the fixed plate.

8. The bending machine processing positioning device according to claim 7, characterized in that: There are two support plates, wherein the bottom of each support plate is connected to two sliding blocks, there are four telescopic rods, and two sliding grooves are provided at the bottom of the fixed plate.

9. The bending machine processing positioning device according to claim 7, characterized in that: The placing plate and the supporting plate are in the same horizontal plane, the inner two sides of the fixing plate are connected to the supporting plate, and the fixing plate and the supporting plate are in the same horizontal plane.

10. The bending machine processing positioning device according to claim 1, characterized in that: A pressing plate is arranged on the top of the workbench through a groove, a bending machine is arranged inside the protective cover, a controller is arranged on one side of the protective cover, and the bending machine is connected to the pressing plate.

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