Pin cutting device

Abstract

The utility model relates to the technical field of electronic component production equipment, in particular to a pin cutting device which comprises a device body and a cutter, the device body is provided with a workbench and a guide part, the workbench and the guide part are fixedly connected or integrally formed, and the workbench is used for containing pins of electronic components; the cutter and the guide piece are in guide fit in the first direction, one of the cutter and the guide piece is provided with a guide groove extending in the first direction, the other one of the cutter and the guide piece is provided with a guide protrusion matched with the guide groove, and the cutter can move in a reciprocating mode in the first direction to cut pins of the electronic element; due to the fact that the workbench and the guide piece are fixedly connected or integrally formed, the guide piece and the cutter are matched in a guiding mode, the position of the cutter can drive the workbench and the positions of the pins placed on the workbench to be synchronously changed through the guide piece when the position of the cutter is changed, and therefore the error of the cutting length of the pins of the electronic element caused by the position change of the cutter is reduced. And the cutting consistency of the pins of the electronic components is ensured, so that the consistency of finished electronic components is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of electronic component production equipment, and in particular to a pin cutting device. Background Art

[0002] In the actual production process of electronic components, the pins of the electronic components need to be cut, and it is also necessary to ensure that the electronic components have a specific pin length after the cutting process. In the actual production line, a pin cutting device is usually used to cut the pins of the electronic components.

[0003] The pin cutting device usually includes a workbench, a driving mechanism and a cutter. The workbench is used to place the pins of the electronic components, and the driving mechanism is used to drive the cutter to move back and forth to achieve cutting of the pins of the electronic components on the workbench. During the pin cutting process of batch electronic components, once the position of the cutter changes, the pin lengths of the electronic components will be inconsistent, thereby affecting the consistency of the finished electronic components. Utility Model Content

[0004] The present application provides a pin cutting device to solve the technical problem that the change in the position of the cutter leads to inconsistent lengths of the pins of electronic components, thereby affecting the consistency of the finished electronic components.

[0005] According to a first aspect, an embodiment provides a pin cutting device, comprising:

[0006] The device body comprises a workbench and a guide member, wherein the workbench is fixedly connected to or integrally formed with the guide member, and the workbench is used to place pins of electronic components;

[0007] The cutter cooperates with the guide member in the first direction. One of the cutter and the guide member has a guide groove extending in the first direction, and the other has a guide protrusion cooperating with the guide groove. The cutter can reciprocate in the first direction to cut the pins of the electronic component.

[0008] In an optional embodiment, the cutter has a reciprocating stroke in the first direction, the guide member has a guide surface that cooperates with the cutter guide, and the size of the guide surface in the first direction is greater than or equal to 1.5 times the reciprocating stroke of the cutter.

[0009] In an optional embodiment, the guide groove is a dovetail groove or a T-shaped groove, and the width dimension of the guide groove at its groove opening is smaller than the width dimension of the guide groove at its groove bottom.

[0010] In an optional embodiment, the device body includes a substrate, the cutter has a blade end and a handle end located at both ends of a first direction, the blade end and the handle end are located on both sides of the substrate in the first direction, and the workbench and the guide member are connected to the same side of the substrate facing the blade end in the first direction.

[0011] In an optional embodiment, the workbench has a mating surface extending in the first direction, and the blade of the cutter extends in the second direction; in the third direction, the blade of the cutter is parallel to the mating surface and arranged at intervals, and the first direction, the second direction and the third direction are perpendicular to each other.

[0012] In an optional embodiment, the distance between the cutting edge of the cutter and the matching surface in the third direction is 0.05-0.2 mm.

[0013] In an optional embodiment, the pin cutting device includes a driving mechanism, and the driving mechanism drives the cutter to reciprocate in the first direction through a crank slider mechanism.

[0014] In an optional embodiment, the crank slider mechanism includes a turntable and a connecting rod, the turntable is rotatably mounted on the device body, the turntable is provided with a connecting shaft located at its radial outer end, one end of the connecting rod in its extension direction is rotatably connected to the connecting shaft, and the other end is rotatably connected to the cutter.

[0015] In an optional embodiment, the device body includes a substrate and a mounting plate connected to the substrate, the mounting plate and the guide member are arranged on both sides of the substrate in the first direction, and the crank slider mechanism is connected between the mounting plate and the cutter.

[0016] In an optional embodiment, the substrate has a through hole, and the cutter passes through the through hole.

[0017] The pin cutting device according to the above embodiment includes a device body and a cutter, the device body has a workbench and a guide member, the workbench and the guide member are fixedly connected or integrally formed, and the workbench is used to place the pins of the electronic components; the cutter and the guide member are guided and matched in a first direction, one of the cutter and the guide member has a guide groove extending in the first direction, and the other has a guide protrusion matched with the guide groove, and the cutter can reciprocate in the first direction to cut the pins of the electronic components; because the workbench and the guide member are fixedly connected or integrally formed, and the guide member and the cutter are guided and matched, the change of the position of the cutter will drive the synchronous change of the position of the entire workbench through the guide member, and the workbench will drive the synchronous change of the position of the pins placed thereon, thereby reducing the error in the cutting length of the electronic component pins caused by the change of the cutter position, which helps to ensure the consistency of the cutting of the electronic component pins, thereby ensuring the consistency of the finished electronic component products. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the three-dimensional structure of a pin cutting device in an embodiment;

[0019] Figure 2 A front view of a pin cutting device in one embodiment;

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the pin cutting device in another embodiment from another angle.

[0021] In the figure: 1. device body; 11. base plate; 111. perforation; 12. workbench; 121. work surface; 122. mating surface; 13. guide member; 131. guide groove; 14. mounting plate; 141. avoidance groove; 2. cutter; 21. handle end; 22. blade end; 23. guide protrusion; 24. slide groove; 3. crank slider mechanism; 31. turntable; 32. connecting rod. DETAILED DESCRIPTION

[0022] The present application is further described in detail below by specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments adopt associated similar element numbers. In the following embodiments, many detailed descriptions are intended to enable the present application to be better understood. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and for those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and the general technical knowledge in the art.

[0023] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various implementations, and the operation steps involved in each embodiment can also be replaced or adjusted in a sequence in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing a certain embodiment and do not mean that the composition and / or sequence are necessary.

[0024] The serial numbers of the components in this document, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings).

[0025] An embodiment of the present application discloses a pin cutting device, which is used to cut the pins of electronic components to meet the pin length requirements of different electronic components and the consistency of the pin lengths of the same electronic components.

[0026] The pin cutting device of the present application embodiment, please refer to Figures 1 to 3 , mainly comprising a device body 1 and a cutter 2, the device body 1 having a workbench 12 and a guide member 13, the workbench 12 is used to receive the pins of the electronic components (not shown in the figure) transported to the device body 1 by the transporting equipment, and is used to support the pins of the electronic components; in some embodiments, the guide member 13 is fixedly connected to the workbench 12, and the guide member 13 can be connected to the workbench 12 by multiple bolts or welded; or in other embodiments, the workbench 12 can also be integrally formed with the guide member 13, that is, the guide member 13 and the workbench 12 are integrated, and the guide member 13 and the workbench 12 are formed by the same material and the same process, no matter they are integrally formed or fixedly connected, as long as the positions of the guide member 13 and the workbench 12 are relatively fixed.

[0027] The cutter 2 and the guide member 13 are guided and matched in the first direction, and the guide member 13 can limit the cutter 2 to move back and forth in the first direction. In actual application, the electronic component moves in the horizontal direction, and the cutter 2 moves back and forth in the up and down directions to achieve cutting of the pins of the electronic component. At this time, the first direction is the up and down direction of the reciprocating movement of the cutter 2. One of the cutter 2 and the guide member 13 has a guide groove 131 extending in the first direction, and the other has a guide protrusion 23 matched with the guide groove 131. In one embodiment, the guide groove 131 can be set on the guide member 13, and the guide protrusion 23 can be set on the cutter 2. Of course, in other embodiments, the positions of the guide groove 131 and the guide protrusion 23 can be interchangeable; the guide groove 131 is matched with the guide protrusion 23, and the guide groove 131 is extended in the first direction. The guide protrusion 23 and the entire cutter 2 can be limited to move back and forth in the first direction by the guide groove 131 to achieve cutting of the pins of the electronic component.

[0028] In the embodiment of the pin cutting device of the present application, since the workbench 12 and the guide member 13 in the device body 1 are fixedly connected or integrally formed, the positions of the guide member 13 and the workbench 12 are relatively fixed, and the cutter 2 and the guide member 13 are guided and matched in the first direction. In this way, in the process of the position of the cutter 2 in the plane perpendicular to the first direction changing, the positions of the guide member 13 and the workbench 12 can be driven to change synchronously through the matching relationship between the cutter 2 and the guide member 13. The change in the position of the workbench 12 can drive the position of the pins of the electronic components carried by it to change synchronously. In this way, since the positions of the cutter 2, the workbench 12 and the pins of the electronic components carried by the workbench 12 change synchronously, the error in the cutting length of the pins of the electronic components caused by the change in the position of the cutter 2 can be reduced, which helps to ensure the consistency of the cutting of the pins of the electronic components, thereby ensuring the consistency of the finished electronic components.

[0029] In one embodiment, please refer to Figures 1 to 3 The cutter 2 is arranged to extend in the first direction, and the cutter 2 has a handle end 21 and a blade end 22 located at both ends of the first direction. The blade end 22 of the cutter 2 is arranged close to the workbench 12, and the portion of the cutter 2 close to the blade end 22 is guided and matched with the guide member 13, so as to improve the guiding property of the guide member 13 to the cutter 2. In other embodiments, it is also possible to arrange the cutter 2 to be guided and matched with the guide member 13 in the middle of its extending direction or the portion close to the handle end 21.

[0030] In one embodiment, the device body 1 includes a substrate 11, which is arranged perpendicular to the first direction. The guide member 13 and the workbench 12 can be integrally formed or fixedly connected with the substrate 11 to ensure that the relative positions of the guide member 13, the workbench 12 and the substrate 11 remain unchanged. The guide member 13 and the workbench 12 can be arranged on the same side of the substrate 11 in the first direction, so as to reduce the distance between the guide member 13 and the workbench 12, thereby reducing the amount of material used. In other embodiments, the guide member 13 and the workbench 12 can also be arranged on both sides of the substrate 11 in the first direction.

[0031] Specifically, in one embodiment, please refer to Figure 1 and Figure 3 The workbench 12 is generally an L-shaped plate structure. The workbench 12 includes a vertical section extending in a first direction and a horizontal section extending perpendicular to the first direction. The horizontal section and the substrate 11 are respectively connected to the two ends of the vertical section in the first direction. The table top of the workbench 12 for supporting the pins of the electronic components is located on the horizontal section, and the table top of the workbench is perpendicular to the first direction and is arranged parallel to the substrate 11; the guide member 13 is generally a block structure connected to the substrate 11, and the guide member 13 and the table top of the workbench 12 are arranged in the first direction, so that the cutter 2 matched with the guide member 13 can extend to the table top of the workbench 12 in the first direction to achieve cutting of the pins of the electronic components.

[0032] Furthermore, the handle end 21 and the blade end 22 of the cutter 2 can be arranged on the upper and lower sides of the substrate 11 respectively to reduce the size of the entire pin cutting device in the first direction, thereby reducing the size of the pin cutting device in the first direction.

[0033] In order to further reduce the area of ​​the pin cutting device in the plane perpendicular to the first direction, in some embodiments, please refer to Figure 1 and Figure 3 , the blade end 22 of the cutter 2 is located on the side of the substrate 11 facing the workbench 12 in the first direction, and the substrate 11 has a through hole 111. In one example, the handle end 21 and the blade end 22 of the cutter 2 are arranged on both sides of the substrate 11 in the first direction, and the cutter 2 is located in the through hole 111; or in another example, the handle end 21 and the blade end 22 of the cutter 2 are arranged on the side of the substrate 11 facing the workbench 12 in the first direction, and the through hole 111 is for the cutter 2 to pass through when it moves away from the workbench 12 in the first direction, so as to reduce the area of ​​the pin cutting device in the plane perpendicular to the first direction. In addition, in the above-mentioned structural setting, the distance between the cutter 2 and other structures, parts or operators outside the pin cutting device can be increased by the substrate 11 arranged around the cutter 2, so as to avoid other structures and parts interfering with the reciprocating movement of the cutter 2 in the first direction, increase the difficulty of the operator touching the cutter 2, and thus improve the safety of the pin cutting device.

[0034] Of course, in other embodiments, it is also possible to dispose the cutter 2 beside the substrate 11 in a plane perpendicular to the first direction.

[0035] For some examples, please refer to Figures 1 to 3 The pin cutting device also includes a driving mechanism (not shown in the figure), which is connected to the cutter 2 to drive the cutter 2 to move back and forth in the first direction.

[0036] In one embodiment, please refer to Figure 1 The driving mechanism drives the cutter 2 to reciprocate in the first direction through the crank slider mechanism 3. The driving mechanism may include a driving motor. The driving motor drives the cutter 2 to reciprocate through the crank slider mechanism 3. There is no need for the driving motor to commutate, which can ensure the cutting frequency and cutting efficiency of the cutter 2 and also help to simplify the structure of the entire pin cutting device.

[0037] In another embodiment, a driving mechanism including a driving cylinder or a driving hydraulic cylinder may be provided, and the driving mechanism may be switched to drive the cutter 2 to move back and forth in the first direction to achieve cutting of the pins of the electronic components.

[0038] Please continue to refer to Figure 1In the embodiment in which the driving mechanism drives the cutter 2 to reciprocate through the crank slider mechanism 3, the crank slider mechanism 3 can be fixed on the device body 1, and the crank slider mechanism 3 includes a turntable 31 and a connecting rod 32. The turntable 31 is rotatably mounted on the device body 1 through a bearing. The turntable 31 is a disk structure. The turntable 31 has a radial inner end close to the bearing and a radial outer end away from the bearing in its radial direction. A connecting shaft is provided on the turntable 31 at its radial outer end, and the connecting shaft is fixedly connected to the turntable 31; one end of the connecting rod 32 in its extension direction is rotatably matched with the connecting shaft, and the connecting rod 32 is also rotatably connected to the cutter 2, so that the part of the connecting rod 32 connected to the cutter 2 can be equivalent to a slider, and the cutter 2 is fixedly connected to the slider, and the driving mechanism drives the turntable 31 to rotate, and the turntable 31 drives the cutter 2 to reciprocate in the first direction under the guiding action of the guide member 13 through the connecting rod 32, so as to achieve cutting of the pins of the electronic components.

[0039] In one embodiment, please continue to refer to Figure 1 The connecting rod 32 is rotatably connected to the connecting shaft at one end in the extending direction, and rotatably connected to the handle end 21 of the cutter 2 at the other end, which helps to reduce the length of the connecting rod 32 and the cutter 2, and reduce the cost of the entire pin cutting device. In other embodiments, as long as the connecting rod 32 and the cutter 2 are rotatably connected, there is no need to limit the position of the connecting rod 32 connected to the cutter 2 and the position of the cutter 2 connected to the connecting rod 32.

[0040] In order to facilitate the installation and arrangement of the crank slider mechanism 3 in the device body 1, in one embodiment, please continue to refer to Figure 1 and Figure 2 The device body 1 also includes a mounting plate 14 connected to the substrate 11. The mounting plate 14 can be arranged on both sides of the substrate 11 in the first direction with the guide member 13. The handle end 21 and the blade end 22 of the cutter 2 are arranged on both sides of the substrate 11 in the first direction. The turntable 31 in the crank slider mechanism 3 is rotatably connected to the mounting plate 14. The crank slider mechanism 3 is connected between the mounting plate 14 and the handle end 21 of the cutter 2. In this way, the action of the crank slider mechanism 3 can be prevented from affecting the cutting of the electronic component pins by the blade end 22 of the cutter 2, which helps to improve the reliability of the pin cutting device for cutting the electronic component pins.

[0041] In a plane perpendicular to the first direction, the turntable 31 is located between the mounting plate 14 and the connecting rod 32, the cutter 2 is connected to the side of the connecting rod 32 facing the turntable 31, and the table top of the workbench 12 is located on the side of the cutting edge of the cutter 2 facing away from the connecting rod 32. This arrangement helps to reduce the pin cutting device in the arrangement direction of the mounting plate 14 and the turntable 31, that is, in Figure 3The dimensions in the third direction shown in the figure help to achieve a miniaturized design of the pin cutting device; in addition, such a configuration requires an avoidance groove 141 to be provided on the mounting plate 14, and the handle end 21 of the cutter 2 is located in the avoidance groove 141 to prevent the mounting plate 14 from affecting the reciprocating movement of the cutter 2 in the first direction.

[0042] In another embodiment, the slider crank mechanism 3 can also be arranged on the same side of the substrate 11 as the workbench 12 in the first direction, the mounting plate 14 and the workbench 12 are connected to the same side of the substrate 11, the slider crank mechanism 3 is staggered with the cutter 2 in a plane perpendicular to the first direction, and the cutter 2 is located on the side of the slider crank mechanism 3 that is away from the mounting plate 14 in the plane perpendicular to the first direction. Figure 3 In the third direction shown, the mounting plate 14, the rotating disk 31, the connecting rod 32, the cutter 2 and the table surface of the workbench 12 are arranged in sequence to ensure that the cutter 2 can reciprocate normally in the first direction.

[0043] In one embodiment, please refer to Figures 1 to 3 , the pin cutting device is provided with Figure 3 The second direction and the third direction are shown, and the first direction, the second direction and the third direction are perpendicular to each other. The blade of the cutter 2 extends in the first direction, and the cutter 2 and the table surface of the workbench 12 are spaced apart in the third direction.

[0044] The table top of the workbench 12 is arranged perpendicular to the first direction. The workbench 12 also has a mating surface 122 extending in the first direction. The mating surface 122 is connected to the table top of the workbench 12. The mating surface 122 is located on the horizontal section of the workbench. The mating surface 122 also extends in the second direction. The mating surface 122 is parallel to the blade of the cutter 2, and the mating surface 122 and the blade of the cutter 2 are arranged at intervals in the third direction. In this way, whether the cutter 2 is installed in place can be judged by whether the mating surface 122 is parallel to the blade of the cutter 2, which helps to realize the knife alignment operation of the cutter 2.

[0045] Furthermore, in one embodiment, in order to improve the installation accuracy of the cutter 2, the distance between the blade of the cutter 2 and the mating surface 122 of the workbench 12 in the third direction is set to 0.05-0.2mm, so as to locate the position of the cutter 2, improve the cutting accuracy of the electronic component pins by the cutter 2, and ensure the consistency of the cutting of the electronic component pins.

[0046] Of course, in other embodiments, when the processing and assembly accuracy is high, the distance between the blade of the cutter 2 and the mating surface 122 of the workbench 12 in the third direction can also be less than 0.05 mm, or when the processing and assembly accuracy is limited or the cutting length accuracy requirement for the electronic component pins is not high, the distance between the blade of the cutter 2 and the mating surface 122 of the workbench 12 in the third direction can also be greater than 0.2 mm.

[0047] Of course, the distance between the cutter 2 and the workbench 12 and the installation accuracy of the cutter 2 can be achieved through the guiding matching accuracy of the guide member 13 and the cutter 2 and the processing accuracy of the guide member 13 and the cutter 2.

[0048] In one embodiment, please continue to refer to Figures 1 to 3 The guide groove 131 is arranged on the guide member 13 , and the guide protrusion 23 is arranged on the cutter 2 , so that the structural strength of the cutter 2 can be improved, which helps to extend the service life of the cutter 2 .

[0049] The guide groove 131 can be set as a dovetail groove or a T-shaped groove. The width of the groove opening of the guide groove 131 is smaller than the width of the bottom wall of the guide groove 131. In this way, the groove side wall on the groove wall of the guide groove 131 facing the bottom wall and the guide protrusion 23 on the cutter 2 can be arranged in the direction of the guide member 13 and the cutter 2, that is, in the direction of the guide member 13 and the cutter 2. Figure 3 In the third direction, the cutter 2 is restricted from escaping from the guide groove 131, so that the position of the cutter 2 in the third direction can be restricted; and the groove side wall of the groove wall of the guide groove 131 facing the groove bottom wall is also made to fit with the cutter 2, combined with the size of the cutter 2 and the size of the workbench 12, to ensure that the distance between the blade of the cutter 2 and the matching surface 122 of the workbench 12 is within a suitable range.

[0050] Specifically, the cutter 2 is provided with a slide groove 24 with a notch facing the second direction on both end faces in the second direction, the slide groove 24 is extended in the first direction, and the side wall of the notch position of the guide groove 131 on the guide member 13 is located in the slide groove 24; in the third direction, the guide protrusion 23 is located on the side of the slide groove 24 facing the guide member 13, and one of the groove side walls of the slide groove 24 forms a partial outer wall of the guide protrusion 23.

[0051] In an embodiment where the cutting accuracy requirements for the electronic component pins are not high, the guide groove 131 can also be a rectangular groove, a trapezoidal groove or other special-shaped groove structure in which the groove width is larger than the groove bottom width. The guide groove 131 can be used to limit the position of the cutter 2 in the second direction, and the position of the cutter 2 in the third direction can be limited by the connection between the crank slider mechanism 3 and the cutter 2, so as to ensure that the distance between the blade of the cutter 2 and the mating surface 122 of the workbench 12 is within an appropriate range.

[0052] In one embodiment, please continue to refer to Figure 1The cutter 2 has a reciprocating stroke in a first direction, and the guide member 13 has a guide surface that cooperates with the cutter 2 for guiding. For example, the side wall surface and the bottom wall surface of the guide groove 131 can form a guide surface that cooperates with the cutter 2 for guiding. The size of the guide surface in the first direction is set to be greater than or equal to 1.5 times the reciprocating stroke of the cutter 2, that is, the size of the guide groove 131 in the first direction is greater than or equal to 1.5 times the reciprocating stroke of the cutter 2. In this way, the guide member 13 can have a good guiding performance on the cutter 2, thereby ensuring the cutting accuracy of the electronic component pins.

[0053] In another embodiment, if the guide protrusion 23 is provided on the guide member 13, and the guide groove 131 is provided on the cutter 2, the size of the guide protrusion 23 in the first direction can be set to 1.5 times the reciprocating stroke of the cutter 2, so as to satisfy the guide member 13 has a good guiding performance for the cutter 2. Of course, under the condition of satisfying the cutting accuracy of the electronic component pins, the size of the guide groove 131 or the guide protrusion 23 on the guide member 13 in the first direction can also be slightly smaller than 1.5 times the reciprocating stroke of the cutter 2.

[0054] The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention and are not intended to limit the present invention. For those skilled in the art of the present invention, some simple deductions, deformations or substitutions can be made based on the idea of ​​the present invention.

Claims

1. A pin cutting device, characterized in that: include: The device body comprises a workbench and a guide member, wherein the workbench is fixedly connected to or integrally formed with the guide member, and the workbench is used to place pins of electronic components; A cutter cooperates with the guide member in a first direction, wherein one of the cutter and the guide member has a guide groove extending in the first direction, and the other has a guide protrusion cooperating with the guide groove, and the cutter can reciprocate in the first direction to cut the pins of the electronic component.

2. The lead cutting device according to claim 1, characterized in that: The cutter has a reciprocating travel in the first direction, the guide member has a guide surface that cooperates with the cutter guide, and the size of the guide surface in the first direction is greater than or equal to 1.5 times the reciprocating travel of the cutter.

3. The lead cutting device according to claim 1, characterized in that: The guide groove is a dovetail groove or a T-shaped groove, and the width of the guide groove at its groove opening is smaller than the width of the guide groove at its groove bottom.

4. The lead cutting device according to any one of claims 1 to 3, characterized in that: The device body includes a substrate, the cutter has a blade end and a handle end located at both ends of a first direction, the blade end and the handle end are located on both sides of the substrate in the first direction, and the workbench and the guide member are connected to the same side of the substrate facing the blade end in the first direction.

5. The lead cutting device according to any one of claims 1 to 3, characterized in that: The workbench has a mating surface extending in the first direction, and the blade of the cutter extends in the second direction; in the third direction, the blade of the cutter is parallel to the mating surface and arranged at intervals, and the first direction, the second direction and the third direction are perpendicular to each other.

6. The lead cutting device according to claim 5, characterized in that: The distance between the cutting edge of the cutter and the matching surface in the third direction is 0.05-0.2 mm.

7. The lead cutting device according to any one of claims 1 to 3, characterized in that: The pin cutting device comprises a driving mechanism, and the driving mechanism drives the cutter to reciprocate in the first direction through a crank slider mechanism.

8. The lead cutting device according to claim 7, characterized in that: The crank slider mechanism includes a turntable and a connecting rod. The turntable can be rotatably assembled on the device body. The turntable is provided with a connecting shaft located at its radial outer end. One end of the connecting rod in its extension direction is rotatably connected to the connecting shaft, and the other end is rotatably connected to the cutter.

9. The lead cutting device according to claim 7, characterized in that: The device body comprises a base plate and a mounting plate connected to the base plate, the mounting plate and the guide member are arranged on both sides of the base plate in the first direction, and the crank slider mechanism is connected between the mounting plate and the cutter.

10. The lead cutting device according to claim 9, characterized in that: The substrate has a through hole, and the cutter passes through the through hole.

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