Special pin shearing machine for PCB (Printed Circuit Board)

Abstract

The utility model provides a special pin shearing machine for a PCB (Printed Circuit Board), which belongs to the technical field of pin shearing machines and aims to solve the problem of difficulty in automatically clamping, fixing and matching with pin shearing to improve the applicability. A fixed sliding rail is fixedly welded to the top face of the main table top. The front end of the fixed sliding rail is fixedly connected with a switch adjusting piece. The outer end face of the connecting sliding block is fixedly connected with a clamping control plate through a screw. A placing plate is fixedly connected between the left clamping control plate and the right clamping control plate, and the inner end face of each clamping control plate is fixedly connected with a first electric control telescopic rod. The tail end of the first electric control telescopic rod on the front side is fixedly connected with a second clamping block, and a second electric control telescopic rod is installed on the inner side of the second clamping block. The first clamping block and the second clamping block are used for clamping the PCB to be subjected to pin shearing in the left-right direction, the third clamping block is pushed to move after the second electric control telescopic rod is started through the control end, the PCB to be subjected to pin shearing is fixedly clamped in the front-back direction, and the applicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of shearing leg machine, more specifically, especially relate to a special shearing leg machine for PCB board. BACKGROUND

[0002] PCB refers to printed circuit board, and is the support body and the carrier of electrical connection of electronic components. After the electronic component pin on the PCB is welded, because the pin is too long, a shearing leg process step is needed. The existing shearing leg operation places the PCB to be sheared on the shearing leg machine by manual, and the PCB needs to be placed in the specified position by manual, and then shearing is carried out. However, different models of PCB need different positioning molds, the cost is high, and it is difficult to automatically clamp and fix and cooperate with the shearing leg to improve the applicability. When the shearing leg mechanical arm is started to shear the PCB, it needs to be started manually after placement, and it is difficult to automatically start the shearing leg mechanical arm to shear, so as to improve the operation automation degree. UTILITY MODEL CONTENTS

[0003] In order to solve the above technical problems, the utility model provides a special shearing leg machine for PCB, which can clamp and fix different models of PCB and cooperate with the shearing leg mechanical arm by setting the clamping control plate and the second electric control telescopic rod.

[0004] The utility model provides a special shearing leg machine for PCB, and the following specific technical means are achieved: a special shearing leg machine for PCB, comprising: main table top; the top surface of the main table top is connected with support frame group through bolt fastening, and the top surface of the main table top is fixedly welded with fixed slide rail; the fixed slide rail is slidably connected with connecting sliding block, and the front end of the fixed slide rail is fixedly connected with switch adjusting part; the outer end surface of the connecting sliding block is fixedly connected with clamping control plate through screw; the clamping control plate is fixedly connected with placing plate between left and right two, and the inner end surface of the clamping control plate is fixedly connected with first electric control telescopic rod; the end of the first electric control telescopic rod on the front side is fixedly connected with second clamping block, and the inner side of the second clamping block is installed with second electric control telescopic rod; the inside of the switch adjusting part is installed with pull rod; the crossbeam plate of the support frame group is connected with shearing leg mechanical arm.

[0005] Further, the end of the first electric control telescopic rod on the rear side is fixedly connected with first clamping block, the inner side of the first clamping block is provided with right-angle clamping groove, and the inner side of the second clamping block is provided with right-angle clamping groove corresponding to the position of the first clamping block.

[0006] Further, the front end surface of the switch adjusting piece is fixedly spot-welded with an outward expansion block, the outward expansion block is a wedge-shaped structure block, the inside of the switch adjusting piece is rotationally connected with a rotating wheel through a shaft, the inside of the switch adjusting piece is vertically inserted with an adjusting rod, the front end surface of the adjusting rod is provided with a tooth groove and is engaged with the rotating wheel, the top end of the adjusting rod is installed with a touch switch, and the touch switch is electrically connected with the controller of the shearing arm, the first electric control telescopic rod, the connecting sliding block and the second electric control telescopic rod.

[0007] Further, the support frame group comprises a support vertical plate and a cross beam plate, the top surface of the support vertical plate is provided with a top clamping plate, the bottom surface of the cross beam plate is provided with an inner clamping plate, the inside of the cross beam plate is provided with a sliding groove, the top clamping plate is clamped in the sliding groove, and the outer end surface of the inner clamping plate is attached to the inner side surface of the support vertical plate.

[0008] Further, the rear end of the pull rod is clamped to the two sides of the shaft of the rotating wheel, the inner side of the pull rod is provided with an inner expansion plate, the inner expansion plate is attached to the outward expansion block, the outside of the pull rod is installed with a spring sleeve, and the outer end of the spring sleeve is connected to the inside of the switch adjusting piece.

[0009] Further, the end of the second electric control telescopic rod is fixedly connected with a third clamping block, and the positions of the third clamping block and the first clamping block correspond to each other in front and back.

[0010] Further, the bottom surface of the main table is fixedly and vertically provided with a support leg, and the fixed sliding rail is located on the inner side of the support frame group.

[0011] Compared with the prior art, the utility model has the advantages of the following:

[0012] In the use process, the first clamping block and the second clamping block can clamp the PCB to be sheared in the left-right direction, the external circuit control end controls the telescopic length of the first electric control telescopic rod, the clamping effect is ensured, the third clamping block is moved by starting the second electric control telescopic rod through the control end, and thus the PCB to be sheared can be fixed and clamped in the front-back direction, and the applicability is improved.

[0013] In addition, when the touch switch is triggered, the connecting sliding block is moved backward by the controller, the moving distance is monitored according to the externally installed distance sensor, the touch switch is triggered again after the sheared foot is pushed forward, the first electric control telescopic rod and the second electric control telescopic rod are retracted, the PCB with the sheared foot can be taken out, and the automation degree is improved.

[0014] In addition, after the pull rod is pulled forward, the inner expansion plate is expanded outward by the outward expansion block, the end of the pull rod is separated from the shaft of the rotating wheel, the rotating wheel can be freely rotated at this time, the height of the adjusting rod is adjusted, after the adjustment is completed, the pull rod is automatically reset through the spring sleeve when the pull rod is loosened, meanwhile, the shaft of the rotating wheel is fixed, the height of the rotating wheel and the adjusting rod is fixed, and the height of the touch switch is ensured to be appropriate.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the structural schematic view of the main table of the utility model.

[0016] Figure 2 is the unfolded structural schematic view of the support frame group of the utility model.

[0017] Figure 3 is the structural schematic view of the second electric control telescopic rod of the utility model.

[0018] Figure 4 is the structural schematic view of the clamping control plate of the utility model.

[0019] Figure 5 is the structural schematic view of the connecting sliding block of the utility model.

[0020] Figure 6 is the sectional structural schematic view of the switch adjusting piece of the utility model.

[0021] Figure 7 is the structural schematic view of the utility model Figure 6 at A.

[0022] In the figure, the corresponding relationship of component name and drawing number is:

[0023] 1, main table; 101, support leg; 102, fixed sliding rail;

[0024] 2, support frame group; 21, support vertical plate; 2101, top clamping plate; 22, cross beam plate; 2201, inner clamping plate; 2202, sliding groove;

[0025] 3, clamping control plate; 301, first electric control telescopic rod; 3011, first clamping block; 3012, second clamping block; 302, connecting sliding block;

[0026] 4, second electric control telescopic rod; 401, third clamping block;

[0027] 5, placing plate;

[0028] 6, switch adjusting piece; 601, outer expansion block; 602, knob; 603, adjusting rod; 604, touch pressure switch;

[0029] 7, pull rod; 701, inner expansion plate; 702, spring sleeve. DETAILED DESCRIPTION

[0030] The embodiment of the utility model will be described in further detail below in combination with the drawings and examples.

[0031] Example:

[0032] As shown in the drawingsFigure 1 To the attached Figure 7 As shown:

[0033] The utility model provides a special pin cutting machine of PCB board, including main mesa 1, the top surface of main mesa 1 is connected with support frame group 2 through bolt fastening, and the top surface of main mesa 1 is fixedly welded with fixed slide rail 102, the fixed slide rail 102 is slidably connected with connecting sliding block 302, and the front end of fixed slide rail 102 is fixedly connected with switch adjusting part 6, the outer end surface of connecting sliding block 302 is fixedly connected with clamping control panel 3 through screw, the left and right two between clamping control panel 3 are fixedly connected with placing plate 5, and the inner end surface of clamping control panel 3 is fixedly connected with first electric control telescopic link 301, the end of front side first electric control telescopic link 301 is fixedly connected with second clamping block 3012, and the inboard of second clamping block 3012 is installed with second electric control telescopic link 4, the inside of switch adjusting part 6 is installed with pull rod 7, and the crossbeam plate 22 of support frame group 2 is connected with pin cutting mechanical arm.

[0034] As attached Figure 2 As shown, support frame group 2 includes support vertical plate 21 and crossbeam plate 22, the top surface of support vertical plate 21 is provided with top clamping plate 2101, the bottom surface of crossbeam plate 22 is provided with inner clamping plate 2201, the inside of crossbeam plate 22 is provided with sliding slot 2202, top clamping plate 2101 is connected in sliding slot 2202, and the outer end surface of inner clamping plate 2201 is attached to the inboard of support vertical plate 21, after fixing support vertical plate 21 to the top surface of main mesa 1, install pin cutting mechanical arm to crossbeam plate 22, crossbeam plate 22 is connected to the top end of support vertical plate 21, complete fixed assembly, can realize pre-fixing, to strengthen fastening effect, can utilize bolt and other components to fasten the connection between inner clamping plate 2201 and support vertical plate 21, complete reinforcement.

[0035] As attached Figure 4 And attached Figure 5 As shown, the end of rear side first electric control telescopic link 301 is fixedly connected with first clamping block 3011, the inboard of first clamping block 3011 is provided with right-angle clamping groove, the inboard of second clamping block 3012 is provided with right-angle clamping groove corresponding to the position of first clamping block 3011, the first clamping block 3011 and second clamping block 3012 can be used to clamp the PCB board to be cut in the left and right directions, and the extension length of first electric control telescopic link 301 is controlled through the external circuit control end, to ensure the clamping effect.

[0036] As attached Figure 7As shown, the rear end of the pull rod 7 is clamped to the shaft of the dial 602, the inner side of the pull rod 7 is provided with an inner expansion plate 701, the inner expansion plate 701 is in contact with the outer expansion block 601, the outer part of the pull rod 7 is provided with a spring sleeve 702, the outer end of the spring sleeve 702 is connected to the inside of the switch adjusting part 6, after pulling the pull rod 7 forward, the inner expansion plate 701 is expanded outward by the outer expansion block 601, so that the end of the pull rod 7 is separated from the shaft of the dial 602, at this time the dial 602 can be freely rotated, the height of the adjusting rod 603 is adjusted, after the adjustment is completed, the pull rod 7 is loosened and can push the pull rod 7 to automatically reset through the spring sleeve 702, at the same time the shaft of the dial 602 is fixed, and the height of the dial 602 and the adjusting rod 603 is fixed.

[0037] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 3 As shown, the bottom surface of the main table top 1 is fixed and vertically provided with a support leg 101, the fixed slide rail 102 is located on the inner side of the support frame group 2, the main table top 1 has an operation height by using the support leg 101, the working height is suitable and meets the principle of ergonomics, avoiding fatigue work, the placing plate 5 can be freely moved forward and backward by using the fixed slide rail 102, and the pin shearing of the PCB board is completed by cooperating with the shearing mechanical arm.

[0038] As shown in the accompanying drawings Figure 6 and the accompanying drawings Figure 7 As shown, the front end surface of the switch adjusting part 6 is fixedly spot-welded with an outer expansion block 601, the outer expansion block 601 is a wedge-shaped structure block, the inside of the switch adjusting part 6 is rotatably connected with a dial 602 through a shaft, the inside of the switch adjusting part 6 is vertically inserted with an adjusting rod 603, the front end surface of the adjusting rod 603 is provided with a tooth groove and is engaged with the dial 602, the top end of the adjusting rod 603 is provided with a touch switch 604, the touch switch 604 is electrically connected with the controller of the shearing mechanical arm, the first electric control telescopic rod 301, the connecting slide block 302 and the second electric control telescopic rod 4, when the touch switch 604 is triggered, the connecting slide block 302 is moved backward by the controller, the moving distance is monitored according to the externally installed distance sensor, after the pin shearing is completed, the touch switch 604 is triggered again by pushing forward, the first electric control telescopic rod 301 and the second electric control telescopic rod 4 are retracted, and the PCB board with sheared pins can be taken out.

[0039] As shown in the accompanying drawings Figure 5 As shown, the end of the second electric control telescopic rod 4 is fixedly connected with a third clamping block 401, the third clamping block 401 corresponds to the position of the first clamping block 3011 in front and back, the second electric control telescopic rod 4 is pushed to move the third clamping block 401 by the control end, so that the PCB board to be sheared can be fixed and clamped in the front and back directions.

[0040] The specific use mode and effect of the embodiment are as follows:

[0041] In the utility model, the end of the pull rod 7 is separated from the shaft of the pawl wheel 602 by pulling the pull rod 7 forward, at this time, the pawl wheel 602 can rotate freely, the height of the adjusting rod 603 is adjusted, after the adjustment is completed, the pull rod 7 is loosened, the pull rod 7 can push the pull rod 7 to fix the shaft of the pawl wheel 602 through the spring sleeve 702, the height of the adjusting rod 603 is fixed, and the height of the touch switch 604 is matched with the height of the second clamping block 3012.

[0042] The touch switch 604 is triggered, the controller is started, the connecting slider 302 is moved backward, the shear leg mechanical arm is started, the moving distance is monitored according to the externally-installed distance sensor, the touch switch 604 is triggered again after the shear leg is pushed forward, the first electric control telescopic rod 301 and the second electric control telescopic rod 4 are retracted, and the PCB board after the shear leg is taken out.

[0043] The technical scheme of the utility model is not limited to the scope of the utility model embodiments, and the technical content not described in the utility model is known technology.

Claims

1. A PCB board special pin shearing machine, comprising a main table (1); characterized in that: The top surface of the main table (1) is connected with a support frame group (2) through bolt fastening, the top surface of the main table (1) is fixedly welded with a fixed slide rail (102); the fixed slide rail (102) is slidably connected with a connecting sliding block (302), and the front end of the fixed slide rail (102) is fixedly connected with a switch adjusting part (6); the outer end surface of the connecting sliding block (302) is fixedly connected with a clamping control plate (3) through screws; the left and right two between the clamping control plate (3) are fixedly connected with a placing plate (5), and the inner end surface of the clamping control plate (3) is fixedly connected with a first electric control telescopic rod (301); the end of the first electric control telescopic rod (301) on the front side is fixedly connected with a second clamping block (3012), and the inner side of the second clamping block (3012) is mounted with a second electric control telescopic rod (4); the inside of the switch adjusting part (6) is mounted with a pull rod (7); the cross beam plate (22) of the support frame group (2) is clamped with a scissor mechanical arm.

2. The PCB board special pin trimmer according to claim 1, characterized in that: The bottom surface of the main table (1) is fixedly and vertically provided with a support leg (101), and the fixed slide rail (102) is located on the inner side of the support frame group (2).

3. The PCB board special pin trimmer according to claim 1, characterized in that: The support frame group (2) comprises a support vertical plate (21) and a cross beam plate (22), the top surface of the support vertical plate (21) is provided with a top clamping plate (2101), the bottom surface of the cross beam plate (22) is provided with an inner clamping plate (2201), the inside of the cross beam plate (22) is provided with a sliding groove (2202), the top clamping plate (2101) is clamped in the sliding groove (2202), and the outer end surface of the inner clamping plate (2201) is attached to the inner side surface of the support vertical plate (21).

4. The PCB board special pin trimmer according to claim 1, characterized in that: The end of the first electric control telescopic rod (301) on the rear side is fixedly connected with a first clamping block (3011), the inner side of the first clamping block (3011) is provided with a right-angle clamping groove, and the inner side of the second clamping block (3012) is provided with a right-angle clamping groove corresponding to the position of the first clamping block (3011).

5. The PCB board special pin clipper according to claim 4, characterized in that: The end of the second electric control telescopic rod (4) is fixedly connected with a third clamping block (401), and the third clamping block (401) corresponds to the position of the first clamping block (3011) in front and back.

6. The PCB board special pin clipper according to claim 5, characterized in that: The front end surface of the switch adjusting part (6) is fixedly spot-welded with an outward expansion block (601), the outward expansion block (601) is a wedge-shaped structure block, the inside of the switch adjusting part (6) is rotatably connected with a dial wheel (602) through a shaft, a regulating rod (603) is vertically inserted into the inside of the switch adjusting part (6), the front end surface of the regulating rod (603) is provided with a tooth groove and is engaged with the dial wheel (602), a touch pressure switch (604) is mounted at the top end of the regulating rod (603), and the touch pressure switch (604) is electrically connected with the controllers of the scissor mechanical arm, the first electric control telescopic rod (301), the connecting sliding block (302) and the second electric control telescopic rod (4).

7. The PCB board special pin trimmer according to claim 6, characterized in that: The rear end of the pull rod (7) is clamped to the two sides of the shaft of the dial wheel (602), the inner side of the pull rod (7) is provided with an inner expansion plate (701), the inner expansion plate (701) is attached to the outward expansion block (601), a spring sleeve (702) is mounted on the outside of the pull rod (7), and the outer end of the spring sleeve (702) is connected to the inside of the switch adjusting part (6).

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