A semi-automatic Hall bending tool

Abstract

The invention relates to a semi-automatic Hall bending tool, which belongs to the technical field of pin processing. A flexible connector is provided, which is arranged on the output end of a driving cylinder and is used to control the movement of a bending component, so that the bending component can bend the pins of a Hall sensor. Since the flexible connector has the ability to deform and after the device is reset, the flexible connector also has the ability to restore the deformation, thereby ensuring that the structure of the driving cylinder and the structure of the bending component will not be deformed even if they are used multiple times. This solves the problem that the existing bending tooling controls the bending structure to bend the pins of the Hall sensor through a cylinder. Since the connection between the bending structure and the cylinder is a rigid connection, and the bending process for the pins of the Hall sensor is mostly an assembly line process, after being used many times, it is easy to cause the rigid connection structure between the bending structure and the cylinder to be deformed, thereby affecting the work of the bending tooling.

Description

Technical Field

[0001] The invention belongs to the technical field of pin processing, and in particular relates to a semi-automatic Hall bending tool. Background Art

[0002] With the development of science and technology, the application of electrical equipment has gradually spread from the industrial field to all fields. Among them, electrical connection is developing towards a fast and simple direction. In the field of electrical connection, Hall elements are widely used in various modules, which also indirectly promotes the development of the Hall element manufacturing industry. In the manufacturing process of Hall elements, the Hall pins need to be bent. Currently, the Hall pins are bent by bending tools.

[0003] For example, the utility model patent with patent authorization announcement number: CN221133850 U discloses a Hall sensor bending tooling, including a base, an ear shaft bracket is arranged on the base, a cylinder is rotatably connected to the ear shaft bracket, a driving end of the cylinder is movably connected to the rotating bracket, the other end of the rotating bracket is detachably provided with a Hall pressure plate, and a Hall fixing plate is also arranged on the base, and the position of the Hall pressure plate in the pressed state corresponds to the installation position of the Hall fixing plate.

[0004] Based on the search of patent authorization announcement numbers and the shortcomings found therein:

[0005] Existing bending tools all bend the pins of the Hall sensor by controlling the bending structure through a cylinder. Since the connection between the bending structure and the cylinder is a rigid connection, and the bending process for the pins of the Hall sensor is mostly an assembly line work, it is easy to cause the rigid connection structure between the bending structure and the cylinder to deform after being used many times, thereby affecting the normal operation of the bending tool. Summary of the invention

[0006] In order to solve the problem that the existing bending tooling all bends the pins of the Hall sensor by controlling the bending structure through a cylinder, since the connection between the bending structure and the cylinder is a rigid connection, and the bending process for the pins of the Hall sensor is mostly an assembly line work, therefore, after being used many times, it is easy to cause the rigid connection structure between the bending structure and the cylinder to deform, thereby affecting the normal operation of the bending tooling, the present invention provides a semi-automatic Hall bending tool.

[0007] The purpose of the present invention can be achieved through the following technical solutions:

[0008] A semi-automatic Hall bending tool comprises a frame, a driving cylinder, a flexible connector and a bending assembly, wherein the driving cylinder is vertically arranged on the top of the frame, the bending assembly is arranged on the bottom of the frame, the flexible connector is connected to the output end of the driving cylinder, the bending assembly is used to bend the pins of the Hall sensor, and the driving cylinder controls the flexible connector to press the bending assembly, thereby driving the bending assembly to bend the pins of the Hall sensor.

[0009] As a preferred technical solution of the present invention, the bending assembly includes a placement plate, a driving plate and a bending unit. The placement plate is fixedly arranged on the bottom surface of the frame, the driving plate is liftably arranged on the top of the placement plate, the placement plate is provided with a placement groove for placing the Hall sensor, the bending unit is arranged at the bottom of the driving plate, and the bending unit is located at the top of the placement groove, and is used to press the pins of the Hall sensor.

[0010] As a preferred technical solution of the present invention, a plurality of placement grooves are provided, and the plurality of placement grooves are arranged at equal intervals along the length direction of the placement plate. A plurality of bending units are provided, and the plurality of bending units are matched one-to-one with the plurality of placement grooves. Any of the bending units is arranged directly above the corresponding placement groove.

[0011] As a preferred technical solution of the present invention, the bending assembly further includes a guide rod and a plurality of reset units, the guide rod is vertically arranged on the placement plate, the drive plate is provided with a guide groove, and the drive plate is slidably arranged on the guide rod through the guide groove; there is a reset space between two adjacent placement grooves, and the plurality of reset spaces are matched with the plurality of reset units in a one-to-one correspondence, and any of the reset units is arranged on the corresponding reset space;

[0012] The reset unit includes a reset rod and a reset spring, the reset rod is vertically arranged on the placement plate, the drive plate is provided with a plurality of sliding grooves, the plurality of sliding grooves are matched with a plurality of reset rods in a one-to-one manner, the drive plate is slidably arranged on the reset rod through the sliding grooves, the reset spring is coaxially arranged on the reset rod, and the two ends of the reset spring are respectively connected to the placement plate and the drive plate.

[0013] As a preferred technical solution of the present invention, the bending unit includes a plurality of guide blocks, which are arranged at one end of the placement slot at equal intervals along the arrangement direction of the placement slot, and there is a guide space between two adjacent pins. The plurality of guide blocks are matched one-to-one with the plurality of guide spaces, and any guide space cooperates with the corresponding guide block.

[0014] As a preferred technical solution of the present invention, the bending unit also includes a fixed block, two edge bending blocks and a middle bending block, the fixed block is arranged at the bottom of the driving board, four pins of the Hall sensor are arranged, and a number of diversion spaces correspond to the edge bending block and the middle bending block respectively. The middle bending block is centrally arranged at the bottom of the fixed block, the two edge bending blocks are arranged at the bottom of the fixed block, and the two edge bending blocks are symmetrically arranged at both ends of the middle bending block. The middle bending block is used to bend the two pins of the central diversion space, and the two edge bending blocks are respectively used to bend the pins at the edges.

[0015] As a preferred technical solution of the present invention, one end of the edge bending block away from the edge pin is vertically arranged, and one end of the edge bending block close to the edge pin is inclined, and the thickness of the edge bending block decreases from top to bottom, and the bottom surface of the edge bending block is centered between the two pins.

[0016] As a preferred technical solution of the present invention, the two ends of the middle bending block are symmetrically inclined, and the thickness of the middle bending block decreases from top to bottom. The bottom surface of the middle bending block is centered between two pins, and the bottom surface height of the middle bending block is higher than the bottom surface height of the edge bending block.

[0017] As a preferred technical solution of the present invention, the edge bending block and the middle bending block are both arranged at the front end of the fixed block, and the central vertical plane of the edge bending block and the central vertical plane of the middle bending block coincide with each other; the bending unit also includes two auxiliary blocks, the two auxiliary blocks are symmetrically arranged at the rear end of the fixed block, the two auxiliary blocks are respectively matched with the guide spaces at both ends one by one, and any one of the auxiliary blocks is arranged in the corresponding guide space, from top to bottom, the auxiliary blocks sequentially include coaxially connected auxiliary plane blocks and auxiliary inclined blocks, one end of the auxiliary plane block is connected to the fixed block, and the other end is connected to the auxiliary inclined block, the two end surfaces of the auxiliary plane block are vertically arranged, and the distance between the two end surfaces of the auxiliary plane block is equal to the distance after the two pins are bent in the corresponding guide space; the two ends of the auxiliary inclined block are inclined, and from top to bottom, the thickness of the auxiliary inclined block decreases gradually, and the thickness of the auxiliary plane block is the same as the thickness of the topmost end of the auxiliary inclined block; the bottom surface height of the auxiliary inclined block is higher than the bottom surface height of the middle bending block.

[0018] As a preferred technical solution of the present invention, the bending assembly also includes a connecting plate, a lifting plate and a lifting spring, the connecting plate is also provided with a connecting groove, the connecting plate is connected to one end of the placement plate close to the guide block, the bottom surface of the connecting groove is flush with the bottom surface of the placement groove, the connecting groove is used to place the Hall sensor body, and the Hall sensor body and one end surface of the guide block are arranged in contact with each other; the bending unit also includes a stabilizing block, the lifting plate is slidably arranged on the reset rod, the lifting plate is provided with a plurality of lifting grooves, and the plurality of lifting grooves are matched with a plurality of fixed blocks in a one-to-one manner, any of the lifting grooves can be lifted and lowered to be in contact with the corresponding fixed block, the two ends of the lifting spring are respectively connected to the lifting plate and the placement plate, the stabilizing block is arranged at the bottom of the lifting plate, and the stabilizing block can lock or release its abutting and fitting relationship with the Hall sensor body.

[0019] The beneficial effects of the present invention are:

[0020] The present invention provides a flexible connector which is arranged on the output end of the driving cylinder and is used to control the movement of the bending assembly so as to enable the bending assembly to bend the pins of the Hall sensor. Since the flexible connector has the ability to deform and restore the deformation after the device is reset, it ensures that the structure of the driving cylinder and the structure of the bending assembly will not be deformed even if they are used multiple times. This solves the problem that the existing bending tooling controls the bending structure to bend the pins of the Hall sensor by means of a cylinder. Since the connection between the bending structure and the cylinder is a rigid connection and the bending process for the pins of the Hall sensor is mostly an assembly line process, the rigid connection structure between the bending structure and the cylinder is easily deformed after being used many times, thereby affecting the normal operation of the bending tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0022] Figure 1 This is an overall diagram of a semi-automatic Hall bending tool of the present invention;

[0023] Figure 2 It is a front view of a semi-automatic Hall bending tool of the present invention;

[0024] Figure 3 This is an overall diagram of a bending unit of a semi-automatic Hall bending tool of the present invention;

[0025] Figure 4 It is a front view of a bending unit of a semi-automatic Hall bending tool of the present invention;

[0026] Figure 5It is a schematic diagram of the bending unit structure of a semi-automatic Hall bending tool of the present invention;

[0027] Figure 6 This is a comparison diagram of the Hall sensor of the present invention before and after bending.

[0028] Description of main symbols

[0029] In the figure: 1. frame; 2. driving cylinder; 3. flexible connector; 4. placement plate; 5. driving plate; 6. bending unit; 601. guide block; 602. fixing block; 603. edge bending block; 604. middle bending block; 7. guide rod; 8. reset rod; 9. reset spring; 10. auxiliary tilting block; 11. auxiliary plane block; 12. connecting plate; 13. lifting plate; 14. stabilizing block. DETAILED DESCRIPTION

[0030] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0031] See also Figure 1-6 The present embodiment provides a semi-automatic Hall bending tool, comprising a frame 1, a driving cylinder 2, a flexible connector 3 and a bending assembly, wherein the driving cylinder 2 is vertically arranged at the top of the frame 1, the bending assembly is arranged at the bottom of the frame 1, the flexible connector 3 is connected to the output end of the driving cylinder 2, the bending assembly is used to bend the pins of the Hall sensor, the driving cylinder 2 controls the flexible connector 3 to press the bending assembly, and then drives the bending assembly to bend the pins of the Hall sensor, the present solution is provided with a flexible connector 3, the flexible connector 3 is arranged on the output end of the driving cylinder 2, and is used to control the movement of the bending assembly, so as to realize the bending assembly bending the pins of the Hall sensor The pins of the Hall sensor are bent. Since the flexible connector 3 has the ability to deform and after the device is reset, the flexible connector 3 also has the ability to restore the deformation, which ensures that the structure of the driving cylinder 2 and the structure of the bending assembly will not be deformed even if they are used many times. This solves the problem that the existing bending tooling controls the bending structure to bend the pins of the Hall sensor through the cylinder. Since the connection between the bending structure and the cylinder is a rigid connection, and the bending process for the pins of the Hall sensor is mostly assembly line work, the rigid connection structure between the bending structure and the cylinder is easily deformed after being used many times, thereby affecting the normal operation of the bending tooling.

[0032] Specifically, the bending assembly of the present solution includes a placement plate 4, a driving plate 5 and a bending unit 6. The placement plate 4 is fixedly arranged on the bottom surface of the frame 1, and the driving plate 5 can be raised and lowered on the top of the placement plate 4. The placement plate 4 is provided with a placement slot for placing the Hall sensor, and the bending unit 6 is arranged at the bottom of the driving plate 5. The bending unit 6 is located at the top of the placement slot and is used to press the pins of the Hall sensor. Through such a setting, when the driving cylinder 2 controls the flexible connector 3 to press the driving plate 5, the driving plate 5 and the bending unit 6 arranged at the bottom of the driving plate 5 move together in the direction close to the placement plate 4, thereby realizing that the bending unit 6 bends the pins of the Hall sensor.

[0033] Furthermore, in the present scheme, a plurality of placement slots are provided, and the plurality of placement slots are arranged at equal intervals along the length direction of the placement plate 4; a plurality of bending units 6 are provided, and the plurality of bending units 6 are matched one-to-one with the plurality of placement slots, and any bending unit 6 is arranged directly above the corresponding placement slot; through such an arrangement, the device of the present scheme can bend the pins of multiple Hall sensors at the same time.

[0034] Specifically, the bending assembly of the present invention further includes a guide rod 7 and a plurality of reset units, wherein the guide rod 7 is vertically arranged on the placement plate 4, the drive plate 5 is provided with a guide groove, and the drive plate 5 is slidably arranged on the guide rod 7 through the guide groove; there is a reset space between two adjacent placement grooves, and the plurality of reset spaces are matched with the plurality of reset units one by one, and any reset unit is arranged on the corresponding reset space; the reset unit includes a reset rod 8 and a reset spring 9, the reset rod 8 is vertically arranged on the placement plate 4, the drive plate 5 is provided with a plurality of sliding grooves, and the plurality of sliding grooves are matched with the plurality of reset rods 8 One-to-one matching, the driving plate 5 is slidably set on the reset rod 8 through a sliding groove, and the reset spring 9 is coaxially set on the reset rod 8, and the two ends of the reset spring 9 are respectively connected to the placement plate 4 and the driving plate 5; through such a setting, on the one hand, when the flexible connecting member 3 presses the driving plate 5, the driving plate 5 will slide along the setting direction of the guide rod 7 and the reset rod 8, and the axial directions of the guide rod 7 and the reset rod 8 are parallel to each other; on the other hand, after the flexible connecting member 3 releases its pressing and fitting relationship with the driving plate 5, the driving plate 5 returns to its original position due to the action force of the reset spring 9.

[0035] Furthermore, the bending unit 6 of the present embodiment includes a plurality of guide blocks 601, and the plurality of guide blocks 601 are arranged at one end of the placement slot at equal intervals along the arrangement direction of the placement slot, and there is a guide space between two adjacent pins. The plurality of guide blocks 601 are matched with the plurality of guide spaces one by one, and any guide space cooperates with the corresponding guide block 601. By providing the guide block 601, it is convenient to manually place the pins of the Hall sensor in cooperation with the guide block 601, thereby facilitating the subsequent bending unit 6 to bend the pins of the Hall sensor.

[0036] Furthermore, the bending unit 6 of the present solution also includes a fixed block 602, two edge bending blocks 603 and a middle bending block 604. The fixed block 602 is arranged at the bottom of the driving plate 5. There are four pins of the Hall sensor. Several diversion spaces correspond to the edge bending block 603 and the middle bending block 604 respectively. The middle bending block 604 is centrally arranged at the bottom of the fixed block 602. The two edge bending blocks 603 are arranged at the bottom of the fixed block 602. The two edge bending blocks 603 are symmetrically arranged at both ends of the middle bending block 604. The middle bending block 604 is used to bend the two pins of the central diversion space, and the two edge bending blocks 603 are used to bend the pins at the edges respectively. It should be noted that the width of the placement slot of the present solution is equal to the spacing between the pins at both ends of the Hall sensor after bending, that is, after the pins at both ends of the Hall sensor are bent, they are respectively arranged to fit each other with the side walls at both ends of the placement slot.

[0037] Specifically, the edge bending block 603 of the present embodiment has one end away from the edge pin vertically arranged, and one end of the edge bending block 603 close to the edge pin is inclinedly arranged, and the thickness of the edge bending block 603 decreases from top to bottom, and the bottom surface of the edge bending block 603 is centered between the two pins; through such an arrangement, as the edge bending block 603 continues to descend, the end of the edge bending block 603 close to the edge pin is bent together with the edge pin, and the edge pin of the Hall sensor is bent to fit the side wall of the placement slot.

[0038] In addition, the two ends of the middle bending block 604 of the present solution are symmetrically inclined, and the thickness of the middle bending block 604 decreases from top to bottom, the bottom surface of the middle bending block 604 is centered between the two pins, and the bottom surface height of the middle bending block 604 is higher than the bottom surface height of the edge bending block 603; through such an arrangement, as the middle bending block 604 continues to descend, the two ends of the middle bending block 604 bend the two middle pins respectively, and because the bottom surface of the middle bending block 604 is centered between the two pins, the two middle pins can be bent at the same time in cooperation with the side wall of the middle bending block 604; it is worth noting that the two middle pins of the Hall sensor After the bending process is completed, the positions of the two middle pins are exactly on the same vertical plane as one end of the pin of the edge bending block 603 away from the edge. Therefore, in order to ensure the normal operation of this scheme, the bottom height of the middle bending block 604 is higher than the bottom height of the edge bending block 603. This setting is conducive to the edge bending block 603 to descend first and bend the pins on the edge. After the two middle pins are bent, since the edge bending block 603 has descended at this time, the two middle pins are respectively fitted with one end of the adjacent edge bending block 603, limiting the bending degree of the two middle pins, thereby ensuring the bending processing of the pins of the Hall sensor in this scheme.

[0039] It is also worth noting that the edge bending block 603 and the middle bending block 604 of the present solution are both arranged at the bottom front end of the fixed block 602, and the central vertical plane of the edge bending block 603 and the central vertical plane of the middle bending block 604 coincide with each other; the bending unit 6 also includes two auxiliary blocks, which are symmetrically arranged at the bottom rear end of the fixed block 602, and the two auxiliary blocks are respectively matched with the guide spaces at both ends one by one, and any auxiliary block is arranged in the corresponding guide space. From top to bottom, the auxiliary blocks sequentially include the auxiliary plane blocks 11 and the auxiliary plane blocks 12 connected coaxially. The tilting block 10, one end of the auxiliary plane block 11 is connected to the fixed block 602, and the other end is connected to the auxiliary tilting block 10. The two end surfaces of the auxiliary plane block 11 are vertically arranged, and the distance between the two end surfaces of the auxiliary plane block 11 is equal to the distance between the two pins after bending in the corresponding guide space; the two ends of the auxiliary tilting block 10 are tilted, and from top to bottom, the thickness of the auxiliary tilting block 10 decreases gradually, and the thickness of the auxiliary plane block 11 is the same as the thickness of the top of the auxiliary tilting block 10; the bottom surface height of the auxiliary tilting block 10 is higher than the bottom surface height of the middle bending block 604. It should be noted that, due to the long pin length of the Hall sensor in this solution, the edge bending block 603 and the middle bending block 604 can only bend the front end of the pin, and although the rear end of the pin can be bent following the bending of its front end, there is a situation where the degree of bending of the rear end of the pin is inconsistent with the degree of bending of the front end of the pin. Based on this, this solution is provided with an auxiliary block to assist in adjusting the bending degree of the rear end of the pin. In addition, it should be particularly noted that, since the auxiliary block of this solution is used to adjust the bending degree of the rear end of the pin after the bending process, the bottom height of the auxiliary tilting block 10 is higher than the bottom height of the middle bending block 604 .

[0040] Furthermore, the bending assembly of the present scheme also includes a connecting plate 12, a lifting plate 13 and a lifting spring. The connecting plate 12 is also provided with a connecting groove. The connecting plate 12 is connected to one end of the placement plate 4 close to the guide block 601. The bottom surface of the connecting groove is flush with the bottom surface of the placement groove. The connecting groove is used to place the Hall sensor body. The Hall sensor body and one end surface of the guide block 601 are arranged to fit each other; the bending unit 6 also includes a stabilizing block 14. The lifting plate 13 is slidably arranged on the reset rod 8. The lifting plate 13 is provided with a plurality of lifting grooves. The plurality of lifting grooves are matched with a plurality of fixed blocks 602 in a one-to-one manner. Any lifting groove can be lifted and lowered to fit with the corresponding fixed block 602. The two ends of the lifting spring are respectively connected to the lifting plate 13 and the placement plate 4. The stabilizing block 14 is arranged at the bottom of the lifting plate 13. The stabilizing block 14 can lock or release its abutting fitting relationship with the Hall sensor body. In addition, the bottom surface height of the stabilizing block 14 of the present scheme is lower than the bottom surface of the edge bending block 603 Height; through such an arrangement, when the driving plate 5 moves toward the direction of the placing plate 4, due to the fitting arrangement of the lifting plate 13 and the side wall of the fixed block 602, there is friction between the lifting plate 13 and the fixed block 602. Therefore, the lifting plate 13 will descend along with the descent of the driving plate 5. It should be noted that the lifting plate 13 is at the bottom end of the fixed block 602 at this time; and since the bottom surface height of the stabilizing block 14 is lower than the bottom surface height of the edge bending block 603, the stabilizing block 14 locks its abutting fit with the Hall sensor body to ensure that the Hall sensor will not shake during the subsequent bending process. Then the driving plate 5 continues to descend. At this time, the lifting plate 13 no longer moves, and then the edge bending block 603 first bends the pins at the edge of the Hall sensor, followed by the middle bending block 604 bending the two middle pins of the Hall sensor, and finally the auxiliary block adjusts the bending degree of the rear end of the pin of the Hall sensor.

[0041] After the driving plate 5 rises, the lifting plate 13 rises together with the driving plate 5. Since the lifting plate 13 is located at the top of the fixed block 602 at this time, during the period when the driving plate 5 rises to achieve reset, due to the force of the lifting spring, the lifting spring will pull the lifting plate 13 toward the bottom end of the fixed block 602 to achieve the reset of the lifting plate 13.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A semi-automatic Hall bending tool, characterized by: It includes a frame, a driving cylinder, a flexible connector and a bending assembly, wherein the driving cylinder is vertically arranged on the top of the frame, the bending assembly is arranged on the bottom of the frame, the flexible connector is connected to the output end of the driving cylinder, the bending assembly is used to bend the pins of the Hall sensor, and the driving cylinder controls the flexible connector to press the bending assembly, thereby driving the bending assembly to bend the pins of the Hall sensor; The bending assembly includes a placement plate, a driving plate and a bending unit, wherein the placement plate is fixedly arranged on the bottom surface of the frame, the driving plate is movably arranged on the top of the placement plate, the placement plate is provided with a placement slot for placing the Hall sensor, the bending unit is arranged at the bottom of the driving plate, and the bending unit is located at the top of the placement slot, and is used to press the pins of the Hall sensor; There is a flow guide space between two adjacent pins, the bending unit also includes a fixed block, two edge bending blocks and a middle bending block, the fixed block is arranged at the bottom of the driving board, four pins of the Hall sensor are arranged, and a plurality of flow guide spaces correspond to and match the edge bending blocks and the middle bending blocks respectively, the middle bending block is centrally arranged at the bottom of the fixed block, two edge bending blocks are arranged at the bottom of the fixed block, and two edge bending blocks are symmetrically arranged at both ends of the middle bending block, the middle bending block is used to bend the two pins of the central flow guide space, and the two edge bending blocks are respectively used to bend the pins at the edges; The end of the edge bending block away from the edge pin is vertically arranged, and the end of the edge bending block close to the edge pin is inclined, and the thickness of the edge bending block decreases from top to bottom, and the bottom surface of the edge bending block is centered between the two pins; The two ends of the middle bending block are symmetrically inclined, and the thickness of the middle bending block decreases from top to bottom. The bottom surface of the middle bending block is centered between two pins, and the bottom surface height of the middle bending block is higher than the bottom surface height of the edge bending block.

2. A semi-automatic Hall bending tool according to claim 1, characterized in that: There are a plurality of placement slots, which are arranged at equal intervals along the length direction of the placement plate. There are a plurality of bending units, which are matched one-to-one with the placement slots. Any of the bending units is arranged directly above the corresponding placement slot.

3. The semi-automatic Hall bending tool according to claim 1 is characterized in that: The bending assembly further includes a guide rod and a plurality of reset units, wherein the guide rod is vertically arranged on the placement plate, the drive plate is provided with a guide groove, and the drive plate is slidably arranged on the guide rod through the guide groove; a reset space is provided between two adjacent placement grooves, and the plurality of reset spaces are matched with the plurality of reset units in a one-to-one correspondence, and any of the reset units is arranged on the corresponding reset space; The reset unit includes a reset rod and a reset spring, the reset rod is vertically arranged on the placement plate, the drive plate is provided with a plurality of sliding grooves, the plurality of sliding grooves are matched with a plurality of reset rods in a one-to-one manner, the drive plate is slidably arranged on the reset rod through the sliding grooves, the reset spring is coaxially arranged on the reset rod, and the two ends of the reset spring are respectively connected to the placement plate and the drive plate.

4. The semi-automatic Hall bending tool according to claim 3 is characterized in that: The bending unit includes a plurality of guide blocks, which are arranged at one end of the placement groove at equal intervals along the arrangement direction of the placement groove. The plurality of guide blocks are matched with a plurality of guide spaces in a one-to-one correspondence, and any guide space cooperates with the corresponding guide block.

5. The semi-automatic Hall bending tool according to claim 1 is characterized in that: The edge bending block and the middle bending block are both arranged at the front end of the fixed block, and the central vertical plane of the edge bending block and the central vertical plane of the middle bending block coincide with each other; the bending unit also includes two auxiliary blocks, the two auxiliary blocks are symmetrically arranged at the rear end of the fixed block, the two auxiliary blocks are respectively matched with the guide spaces at both ends one by one, and any of the auxiliary blocks is arranged in the corresponding guide space, from top to bottom, the auxiliary blocks sequentially include coaxially connected auxiliary plane blocks and auxiliary inclined blocks, one end of the auxiliary plane block is connected to the fixed block, and the other end is connected to the auxiliary inclined block, the two end surfaces of the auxiliary plane block are vertically arranged, and the distance between the two end surfaces of the auxiliary plane block is equal to the distance after the two pins in the corresponding guide space are bent; the two ends of the auxiliary inclined block are inclined, and from top to bottom, the thickness of the auxiliary inclined block decreases gradually, and the thickness of the auxiliary plane block is the same as the thickness of the top of the auxiliary inclined block; the bottom surface height of the auxiliary inclined block is higher than the bottom surface height of the middle bending block.

6. The semi-automatic Hall bending tool according to claim 4 is characterized in that: The bending assembly also includes a connecting plate, a lifting plate and a lifting spring, the connecting plate also has a connecting groove, the connecting plate is connected to one end of the placement plate close to the guide block, the bottom surface of the connecting groove is flush with the bottom surface of the placement groove, the connecting groove is used to place the Hall sensor body, and the Hall sensor body and one end surface of the guide block are arranged in contact with each other; the bending unit also includes a stabilizing block, the lifting plate is slidably arranged on the reset rod, the lifting plate has a plurality of lifting grooves, and the plurality of lifting grooves are matched with a plurality of fixed blocks in a one-to-one correspondence, any of the lifting grooves is arranged in contact with the corresponding fixed block, the lifting plate can slide along the axial direction of the fixed block, the two ends of the lifting spring are respectively connected to the lifting plate and the placement plate, the stabilizing block is arranged at the bottom of the lifting plate, and the stabilizing block can lock or release its abutting and fitting relationship with the Hall sensor body.

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