Semiconductor pin shearing and bending device

Abstract

The utility model discloses a semiconductor pin shearing and bending device, and relates to the technical field of element pin processing equipment, the semiconductor pin shearing and bending device comprises a pin shearing and bending mechanism which is arranged in a mounting hole and reciprocates along the hole opening direction, the pin shearing and bending mechanism comprises a lifting assembly and a pin shearing and bending assembly, and the lifting assembly is used for driving the pin shearing and bending assembly to be close to or far away from a workpiece; and the driving mechanism comprises a lifting cam driving assembly and a shearing and bending cam driving assembly, the shearing and bending cam driving assembly is in transmission connection with the pin shearing and bending assembly, and the lifting cam driving assembly drives the shearing and bending cam driving assembly and the pin shearing and bending mechanism to synchronously ascend and descend. According to the semiconductor pin shearing and bending device, the lifting cam driving assembly and the shearing and bending cam driving assembly enable the pin shearing and bending mechanism to achieve high-speed reciprocating motion through the cam transmission structure, and compared with an existing hydraulic driving or servo driving mode, the semiconductor pin shearing and bending device has the advantages that the response speed is higher, and the working rhythm of the device can be effectively improved; the production efficiency of the production line is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of component pin processing equipment, in particular to a semiconductor pin shearing and bending device. Background Art

[0002] During the assembly process of circuit boards and components, the pins of the components need to be inserted into the through holes of the PCB board and soldered. When the components are received, the pins are in a vertical state. In order to facilitate the loading and soldering operations, the pins are relatively long. During the assembly operation, the excess pins need to be cut and bent to complete the assembly.

[0003] Chinese patent CN202210969770.1 discloses a pin shearing and bending device and its working method and production line. The pin shearing and bending device includes a workbench, a shearing assembly, a bending assembly, a clamping assembly and three pushing assemblies; a feeding section, a transposition section and a discharging section connected in sequence are provided on the workbench, the feeding section is provided with a shearing foot preparation position, the feeding section is provided with a shearing foot processing position at one end close to the transposition section, the discharging section is provided with a bending foot processing position at one end close to the transposition section, and the discharging section is provided with a material picking position at one end away from the transposition section; the first pushing part is close to the shearing foot preparation position, and the first pushing driving member drives the first pushing part to move along the X-axis; the second pushing part is close to the shearing foot processing position, and the second pushing driving member drives the second pushing part to move along the Y-axis; the third pushing part is close to the bending foot processing position, and the third pushing driving member drives the third pushing part to move along the X-axis.

[0004] Existing shear leg bending devices usually use servo drive or hydraulic drive to directly drive the activities of related shearing mechanisms and bending mechanisms, which affects the response performance of the device. The production rhythm of the equipment is limited by the structural characteristics, which affects the production efficiency of the production line. Utility Model Content

[0005] The utility model aims to at least solve the technical problem existing in the prior art that "the existing servo drive or hydraulic drive form cannot meet the production needs, resulting in the influence of production efficiency". To this end, the utility model proposes a semiconductor pin shearing and bending device, which improves the action efficiency of the shearing and bending structure through a cam transmission structure, improves the production rhythm of the equipment, and thus improves the production efficiency of the production line.

[0006] According to some embodiments of the present invention, a semiconductor pin shearing and bending device includes a mounting seat, wherein the mounting seat is provided with a mounting hole; and includes:

[0007] A shear leg bending mechanism is arranged in the mounting hole and reciprocates along the opening direction, the shear leg bending mechanism comprises a lifting assembly and a shear leg bending assembly, the lifting assembly is used to drive the shear leg bending assembly to approach or move away from the workpiece;

[0008] A driving mechanism is arranged below the mounting seat and is used to drive the shear leg bending mechanism to work. The driving mechanism includes a lifting cam driving assembly and a shearing and folding cam driving assembly. The shearing and folding cam driving assembly is transmission-connected to the shear leg bending assembly. The lifting cam driving assembly drives the shearing and folding cam driving assembly and the shear leg bending mechanism to rise and fall synchronously.

[0009] According to some embodiments of the utility model, it includes a guide column, which extends downward from the bottom of the mounting seat, the lifting assembly is sleeved with the guide column and is transmission-connected with the lifting cam driving assembly; the shearing and folding cam driving assembly is fixed on the lifting assembly, and the lower half of the shearing leg bending assembly is sleeved with the guide column.

[0010] According to some embodiments of the utility model, the lifting assembly includes a first guide seat, a second guide seat and a third guide seat, the first guide seat and the second guide seat are connected by a lifting guide plate, and the second guide seat and the third guide seat are connected by a connecting column; the first guide seat, the second guide seat and the third guide seat are respectively socketed with the guide column and lifted synchronously, and the lower half of the shear leg bending assembly is located between the second guide seat and the third guide seat.

[0011] According to some embodiments of the utility model, it includes an L-shaped base plate, which is arranged on one side of the first guide seat; the shell of the lifting cam driving assembly is fixed on the first guide seat, the cam at the end of the output shaft is connected to the lifting guide plate, and the lifting cam driving assembly drives the lifting assembly to lift as a whole.

[0012] According to some embodiments of the utility model, the shear leg bending assembly includes a shearing and folding work head, a driving rod and a driving base connected in sequence, the driving base is sleeved with the guide column and is located between the second guide seat and the third guide seat, the driving rod is connected to the driving base, and the driving rod drives the shearing and folding work head to work.

[0013] According to some embodiments of the utility model, it includes an L-shaped side plate, which is arranged on one side of the second guide seat; the shell of the shear-folding cam driving assembly is fixed on the second guide seat, the cam at the end of the output shaft is connected to the driving base, and the shear-folding cam driving assembly drives the shear foot bending assembly to work.

[0014] According to some embodiments of the utility model, the shearing and folding work head includes at least one group of tool heads, and the tool heads include a cutting knife and a bending knife arranged opposite to each other, the middle parts of the cutting knife and the bending knife are respectively hinged to the fixed seat, and the bottoms of the cutting knife and the bending knife are respectively hinged to the driving rod, and when the driving rod is pulled down, the cutting edges of the cutting knife and the bending knife approach each other.

[0015] According to some embodiments of the utility model, the shear leg bending assembly includes a sleeve, one end of the sleeve is connected to the third guide seat, and the other end of the sleeve is connected to the fixed seat, and the driving pull rod is arranged in the sleeve.

[0016] According to some embodiments of the utility model, an angle adjustment mechanism is included, which is arranged below the mounting seat and connected to the sleeve, and is used to adjust the working angle of the shear leg bending assembly.

[0017] The semiconductor pin shearing and bending device according to some embodiments of the utility model has at least the following beneficial effects: the lifting cam driving assembly and the shearing and bending cam driving assembly enable the shearing and bending mechanism to achieve high-speed reciprocating motion through the cam transmission structure, and has a better response speed than the existing hydraulic drive or servo drive, and can effectively improve the working rhythm of the device and the production efficiency of the production line.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 This is a first stereoscopic schematic diagram of a semiconductor lead shearing and bending device according to an embodiment of the utility model;

[0021] Figure 2 This is a second stereoscopic schematic diagram of the semiconductor lead shearing and bending device according to an embodiment of the utility model;

[0022] Figure 3 It is a partial cross-sectional view of the semiconductor lead shearing and bending device according to an embodiment of the utility model;

[0023] Figure 4 It is a partial cross-sectional view of the shearing and bending working head of the semiconductor lead shearing and bending device according to an embodiment of the utility model.

[0024] Reference numerals:

[0025] Mounting seat 110, mounting hole 111, guide column 120, L-shaped bottom plate 130, L-shaped side plate 140, angle adjustment mechanism 150,

[0026] The lifting assembly 200, the first guide seat 210, the second guide seat 220, the third guide seat 230, the lifting guide plate 240, the lifting slot 241, the connecting column 250,

[0027] Shearing and folding work head 310, cutting knife 311, bending knife 312, fixing seat 313, blanking channel 314, driving rod 320, driving base 330, swinging slot 331,

[0028] Lifting cam driving assembly 410 and shearing cam driving assembly 420 . DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, top, bottom, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0032] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0033] Reference below Figure 1-Figure 4 A semiconductor lead shearing and bending device according to an embodiment of the utility model is described.

[0034] like Figure 1-Figure 4As shown, the semiconductor pin shearing and bending device includes a mounting base 110, and the mounting base 110 is provided with a mounting hole 111, and the mounting base 110 is fixedly mounted on the equipment frame. It includes a shearing and bending mechanism and a driving mechanism, and the shearing and bending mechanism is arranged in the mounting hole 111 and can reciprocate along the opening direction. The shearing and bending mechanism includes a lifting component 200 and a shearing and bending component, and the lifting component 200 is used to drive the shearing and bending component to approach or move away from the workpiece. Specifically, the lifting component 200 drives the shearing and bending component to extend from the opening direction of the mounting hole 111 to the pin position below the circuit board, so that the shearing and bending component can shear and bend the pin.

[0035] The driving mechanism is arranged below the mounting seat 110, and is used to drive the shear leg bending mechanism to work. The driving mechanism includes a lifting cam driving assembly 410 and a shearing and folding cam driving assembly 420. The shearing and folding cam driving assembly 420 is transmission-connected to the shear leg bending assembly. The lifting cam driving assembly 410 drives the shearing and folding cam driving assembly 420 and the shear leg bending mechanism to lift and lower synchronously.

[0036] Specifically, the lifting cam driving assembly 410 provides a vertical driving force for the lifting assembly 200, and the shearing cam driving assembly 420 provides a driving force for the shearing foot bending assembly. Compared with the existing structure using direct drive, the utility model uses a cam for power transmission, so that the high-speed rotation of the driving mechanism is converted into the linear motion of the lifting assembly 200 and the power of the shearing foot bending assembly. The problem of insufficient response performance and high manufacturing cost of the existing drive structure is solved, the working stability and production rhythm of the semiconductor pin shearing foot bending device are improved, and the requirements of efficient production of the production line can be met.

[0037] In some embodiments of the present invention, Figure 1-Figure 3 As shown, it includes a guide column 120, which extends downward from the bottom of the mounting seat 110, and the lifting assembly 200 is sleeved with the guide column 120 and is in transmission connection with the lifting cam driving assembly 410. The shearing cam driving assembly 420 is fixed on the lifting assembly 200, and the lower half of the shearing leg bending assembly is sleeved with the guide column 120.

[0038] Specifically, two guide posts 120 extend vertically downward from the bottom of the mounting seat 110 and serve as guides for the shear leg bending mechanism to move up and down. The lifting cam driving assembly 410 drives the lifting assembly 200 to slide along the setting direction of the guide posts 120, and the shear leg bending cam driving assembly 420 is fixed on the lifting assembly 200, and the output shaft of the shear leg bending cam driving assembly 420 is in transmission connection with the shear leg bending assembly, so that the shear leg bending assembly can be lifted and lowered synchronously with the lifting assembly 200.

[0039] In a further embodiment, Figure 1-Figure 3As shown, the lifting assembly 200 includes a first guide seat 210, a second guide seat 220 and a third guide seat 230. The first guide seat 210 and the second guide seat 220 are connected by a lifting guide plate 240, and the second guide seat 220 and the third guide seat 230 are connected by a connecting column 250. The first guide seat 210, the second guide seat 220 and the third guide seat 230 are respectively connected to the guide column 120 and lifted synchronously, and the lower half of the shear leg bending assembly is located between the second guide seat 220 and the third guide seat 230.

[0040] Specifically, the lifting assembly 200 is connected from bottom to top by the first guide seat 210, the lifting guide plate 240, the second guide seat 220, the connecting column 250 and the third guide seat 230, and the above components are driven as a whole by the lifting cam driving assembly 410 to move up and down along the guide column 120. The lower half of the scissor leg bending assembly is sleeved with the guide column 120 and is lifted and lowered between the second guide seat 220 and the third guide seat 230.

[0041] In a further embodiment, Figure 1 and Figure 2 As shown, it includes an L-shaped bottom plate 130, which is arranged on one side of the first guide seat 210. The housing of the lifting cam driving assembly 410 is fixed on the first guide seat 210, and the cam at the end of the output shaft is connected to the lifting guide plate 240. The lifting cam driving assembly 410 drives the lifting assembly 200 to lift as a whole.

[0042] Specifically, the bottom of the guide column 120 is fixed on the L-shaped bottom plate 130, the housing of the lifting cam driving assembly 410 is fixed on the side wall of the L-shaped bottom plate 130, and the output shaft is connected to the lifting guide plate 240 through the cam. A lifting slot 241 is provided in the lifting guide plate 240, and the slot width of the lifting slot 241 is not less than the maximum range of motion of the cam. When the cam rotates, the lateral displacement of the cam swings in the lifting slot 241 without affecting the lifting of the lifting guide plate 240 in the vertical direction.

[0043] In some embodiments of the present invention, Figure 1 , Figure 2 and Figure 4 As shown, the shear leg bending assembly includes a shearing and folding work head 310, a driving rod 320 and a driving base 330 connected in sequence, the driving base 330 is sleeved with the guide column 120 and is located between the second guide seat 220 and the third guide seat 230, the driving rod 320 is connected to the driving base 330, and the driving rod 320 drives the shearing and folding work head 310 to work.

[0044] Specifically, the shearing and folding work head 310 is higher than the surface of the mounting seat 110, close to the workpiece, one end of the driving rod 320 is connected to the shearing and folding work head 310, and the other end passes through the mounting hole 111 and extends to the driving base 330, and the driving base 330 is sleeved with the guide column 120 and is in transmission connection with the shearing and folding cam driving assembly 420. When the lifting assembly 200 is lifted or lowered, the shearing and folding cam driving assembly 420 drives the driving base 330 to rise and fall synchronously, so that the shearing and folding work head 310 is close to or away from the workpiece.

[0045] In a further embodiment, Figure 1 and Figure 2 As shown, it includes an L-shaped side plate 140, which is arranged on one side of the second guide seat 220. The housing of the shearing cam driving assembly 420 is fixed on the second guide seat 220, and the cam at the end of the output shaft is connected to the driving base 330. The shearing cam driving assembly 420 drives the shearing foot bending assembly to work.

[0046] Specifically, the shearing cam driving assembly 420 is connected to the side wall of the L-shaped side plate 140, and its main shaft extends to the driving base 330. The driving base 330 is provided with a swinging slot 331, and the output shaft of the shearing cam driving assembly 420 is connected to the swinging slot 331 through a cam, and the cam rotates in the swinging slot 331, thereby controlling the lifting and lowering of the driving base 330, and then pulling the driving rod 320 to make the shearing working head 310 work.

[0047] In a further embodiment, Figure 4 As shown, the shearing and folding work head 310 includes at least one group of tool heads, including a cutting knife 311 and a bending knife 312 arranged opposite to each other, the middle parts of the cutting knife 311 and the bending knife 312 are respectively hinged to the fixed seat 313, and the bottoms of the cutting knife 311 and the bending knife 312 are respectively hinged to the driving rod 320. When the driving rod 320 is pulled down, the cutting edges of the cutting knife 311 and the bending knife 312 move closer to each other.

[0048] Specifically, the cutting knife 311 and the bending knife 312 both adopt a V-shaped structure, the middle part is hinged to the fixing seat 313 of the shearing leg bending assembly, and the bottom of the cutting knife 311 and the bending knife 312 are pulled down by the driving rod 320 to merge the top blades. The structural principle of the pin shearing and bending is a technical solution well known to those skilled in the art, and will not be described in detail in this embodiment.

[0049] In a further embodiment, the shear leg bending assembly includes a sleeve (not shown in the drawings), one end of the sleeve is connected to the third guide seat 230, the other end is connected to the fixed seat 313, and the driving rod 320 is arranged in the sleeve. Specifically, one end of the sleeve is connected to the third guide seat 230 through a bearing, the sleeve can be rotated in the axial direction, and the other end is fixedly connected to the fixed seat 313. When the driving rod 320 pulls down the cutting knife 311 and the bending knife 312, the fixed seat 313, the sleeve and the third guide seat 230 are relatively stationary, which can prevent the shearing and bending work head 310 from being pulled down and causing the driving rod 320 to fail.

[0050] In some embodiments of the present invention, Figure 2 As shown, the shearing and bending assembly is also provided with a blanking channel 314, the entrance of which is located below the shearing and bending work head 310. After the pins are cut, waste materials fall into the entrance of the blanking channel 314 and are discharged along the channel path.

[0051] In some embodiments of the present invention, Figure 1 and Figure 2 As shown, it includes an angle adjustment mechanism 150, which is arranged below the mounting seat 110 and connected to the sleeve to adjust the working angle of the shear leg bending assembly. Specifically, the angle adjustment mechanism 150 uses a gear and a toothed belt structure to drive the sleeve to rotate a certain angle.

[0052] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0053] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A semiconductor pin shearing and bending device, comprising a mounting seat (110), wherein the mounting seat (110) is provided with a mounting hole (111); characterized in that: include: A shear leg bending mechanism is arranged in the mounting hole (111) and reciprocates along the hole opening direction, the shear leg bending mechanism comprises a lifting assembly (200) and a shear leg bending assembly, the lifting assembly (200) is used to drive the shear leg bending assembly to approach or move away from a workpiece; A driving mechanism is arranged below the mounting seat (110) and is used to drive the shear leg bending mechanism to operate. The driving mechanism comprises a lifting cam driving assembly (410) and a shear leg bending cam driving assembly (420). The shear leg bending cam driving assembly (420) is in transmission connection with the shear leg bending assembly. The lifting cam driving assembly (410) drives the shear leg bending cam driving assembly (420) and the shear leg bending mechanism to rise and fall synchronously.

2. The semiconductor lead shearing and bending device according to claim 1, characterized in that: It comprises a guide column (120), the guide column (120) extending downward from the bottom of the mounting seat (110), the lifting assembly (200) being sleeved with the guide column (120) and being in driving connection with the lifting cam driving assembly (410); The shear-folding cam driving assembly (420) is fixed on the lifting assembly (200), and the lower half of the shear-foot bending assembly is sleeved with the guide column (120).

3. The semiconductor lead shearing and bending device according to claim 2, characterized in that: The lifting assembly (200) comprises a first guide seat (210), a second guide seat (220) and a third guide seat (230); the first guide seat (210) and the second guide seat (220) are connected via a lifting guide plate (240); and the second guide seat (220) and the third guide seat (230) are connected via a connecting column (250); The first guide seat (210), the second guide seat (220) and the third guide seat (230) are respectively sleeved with the guide column (120) and rise and fall synchronously, and the lower half of the shear leg bending assembly is located between the second guide seat (220) and the third guide seat (230).

4. The semiconductor lead shearing and bending device according to claim 3, characterized in that: It comprises an L-shaped bottom plate (130) arranged on one side of the first guide seat (210); the shell of the lifting cam driving assembly (410) is fixed on the first guide seat (210), the cam at the end of the output shaft is connected to the lifting guide plate (240), and the lifting cam driving assembly (410) drives the lifting assembly (200) to lift as a whole.

5. The semiconductor lead shearing and bending device according to claim 4, characterized in that: The shear leg bending assembly comprises a shearing and folding work head (310), a driving rod (320) and a driving base (330) which are connected in sequence; the driving base (330) is sleeved with the guide column (120) and is located between the second guide seat (220) and the third guide seat (230); the driving rod (320) is connected to the driving base (330); and the driving rod (320) drives the shearing and folding work head (310) to work.

6. The semiconductor lead shearing and bending device according to claim 5, characterized in that: It comprises an L-shaped side plate (140) which is arranged on one side of the second guide seat (220); the shell of the shear-folding cam driving assembly (420) is fixed on the second guide seat (220); the cam at the end of the output shaft is connected to the driving base (330); and the shear-folding cam driving assembly (420) drives the shear-foot bending assembly to work.

7. The semiconductor lead shearing and bending device according to claim 6, characterized in that: The shearing and folding work head (310) comprises at least one group of tool heads, and the tool heads comprise a cutting knife (311) and a bending knife (312) arranged opposite to each other, the middle parts of the cutting knife (311) and the bending knife (312) are respectively hinged to a fixed seat (313), and the bottoms of the cutting knife (311) and the bending knife (312) are respectively hinged to the driving rod (320), and when the driving rod (320) is pulled down, the cutting edges of the cutting knife (311) and the bending knife (312) are brought closer to each other.

8. The semiconductor lead shearing and bending device according to claim 7, characterized in that: The shear leg bending assembly comprises a sleeve, one end of which is connected to the third guide seat (230) and the other end of which is connected to the fixed seat (313); the driving pull rod (320) is arranged in the sleeve.

9. The semiconductor lead shearing and bending device according to claim 8, characterized in that: It comprises an angle adjustment mechanism (150) which is arranged below the mounting seat (110) and connected to the sleeve and is used to adjust the working angle of the shear leg bending assembly.

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