CN212525821U

CN212525821U - Pin trimming and shaping device for electronic machinery

Info

Publication number: CN212525821U
Application number: CN202021311270.1U
Authority: CN
Inventors: 刘文程; 王哲; 姚晶晶; 冯琪
Original assignee: Zhijiang College of ZJUT
Current assignee: Zhijiang College of ZJUT
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-12
Anticipated expiration: 2030-07-07

Abstract

The utility model discloses a pin trimming and shaping device for electronic machinery, which comprises a trimming frame, a pin position adjusting mechanism, a pin limiting mechanism, a pin trimming mechanism and a polisher position adjusting mechanism, wherein the trimming frame is provided with the pin position adjusting mechanism, the pin position adjusting mechanism is provided with the pin limiting mechanism, the side surface of the pin position adjusting mechanism is provided with the pin trimming mechanism, the pin trimming mechanism is arranged on the trimming frame, the polisher position adjusting mechanism is provided with a motor, a threaded groove arranged on one side of a movable frame is connected through a first servo motor, the first servo motor is controlled to rotate positively and negatively, two groups of connecting seats are limited by a limiting clamping groove, so that the connecting seats can not rotate, and the movable frame can carry out position adjustment on the trimming frame, thereby adjust the distance between pin one end and the pruning sword, realize the reservation to pin length.

Description

Pin trimming and shaping device for electronic machinery

Technical Field

The invention belongs to the technical field of electronic machinery, and particularly relates to a pin trimming and shaping device for electronic machinery.

Background

Electronic machinery is a collection of many theoretical systems such as machinery, electronics, control, information, computer, artificial intelligence, management and the like, and mechanical and electronic professional courses of many universities at home and abroad are mainly formed by integrating partial courses in mechanical engineering, electronic engineering, computer science and control engineering.

The pins lead out the wiring from the internal circuit of the integrated circuit (chip) to the peripheral circuit, all the pins form the interface of the chip, the length of the pins needs to be distributed uniformly before connection, and then the pins and the bonding pads on the printed board form welding points together by soldering at the tail ends of the pins.

The existing device has the following defects:

1. during trimming, the reserved length of the pin cannot be accurately reserved;

2. the pins of chips with different models cannot be fixed;

3. after trimming, the tail ends of the pins are easy to generate sharp notches;

4. the trimming seat and the trimming knife are integrally arranged, so that the trimming seat and the trimming knife are inconvenient to replace. And there is a certain risk in replacement.

Disclosure of Invention

To solve at least one of the problems set forth in the background art described above. The invention provides a pin trimming and shaping device for electronic machinery.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a shaping device is pruned to pin for electronic machinery, includes pruning frame, pin position control mechanism, pin limit mechanism, pin trimming mechanism and polisher position control mechanism, be provided with pin position control mechanism on the pruning frame, the last pin limit mechanism that is provided with of pin position control mechanism, pin position control mechanism's side is provided with pin trimming mechanism, pin trimming mechanism installs on the pruning frame, install polisher position control mechanism on the pruning frame, be provided with the motor on the polisher position control mechanism, the polishing wheel is installed to the function end of motor.

As a further improvement of the above technical solution, the pin position adjusting mechanism includes a first servo motor, a limiting clamping groove, a movable frame, a thread groove, a connecting seat and a mounting groove, the first servo motor is installed at a center position of one side of the upper surface of the trimming frame, two sets of limiting clamping grooves are symmetrically formed in the upper surface of the trimming frame with respect to the first servo motor, the movable frame is movably installed on the trimming frame, the thread groove is formed in one side of the movable frame close to the first servo motor, a lead screw of the first servo motor is connected to the inside of the thread groove, the connecting seat is fixed to two sides of the movable frame, the connecting seat is movably installed inside the limiting clamping groove, and the mounting groove is formed in the upper surface of the movable frame.

As a further improvement of the above technical solution, the movable frame and the connecting seat are of an integrated structure, the cross-sectional shape of one end of the connecting seat is the same as that of the limiting clamping groove, and the movable frame passes through the first servo motor and the trimming frame by means of a threaded groove to form a sliding structure.

As a further improvement of the technical scheme, the pin limiting mechanism comprises a limiting frame, a groove and an isolation groove, the limiting frame is movably mounted on the movable frame, the limiting frame is arranged in the mounting groove, the groove is formed in two ends of the inner portion of one side of the limiting frame, and the isolation groove is formed in the other two sides of the limiting frame.

As a further improvement of the technical scheme, the external shape of the limiting frame is the same as the internal shape of the mounting groove, a detachable structure is formed between the limiting frame and the movable frame, and a plurality of groups of isolation grooves are formed in the limiting frame at equal distances.

As a further improvement of the above technical solution, the pin trimming mechanism includes an electric telescopic rod, a trimming seat, a limiting bolt, a connecting groove, a trimming blade, a protruding block, a connecting hole and a bolt, the electric telescopic rod is fixed on the trimming frame, the trimming seat is fixed at an operating end of the electric telescopic rod, two sets of limiting bolts are symmetrically fixed below the trimming seat with respect to the electric telescopic rod, one end of each limiting bolt penetrates through the lower surface of the trimming frame, the connecting groove is formed in the trimming seat, the trimming blade is movably connected to the trimming seat, the protruding block is fixed at two ends of the trimming blade, the protruding block is arranged on the outer side of the trimming seat, the connecting holes are formed in both the trimming seat and the trimming blade, and the trimming seat and the trimming blade are connected through the bolt.

As a further improvement of the above technical solution, the trimming base forms a lifting structure between the electric telescopic rod and the trimming frame, the trimming frame is provided with three groups of through holes, and the diameter of the through hole formed in the trimming frame is the same as the diameter of the limiting bolt.

As a further improvement of the above technical solution, an outer dimension of one end of the trimming blade is the same as an inner dimension of the connecting groove, a detachable structure is formed between the trimming blade and the trimming seat, and the protrusions provided at both sides of the trimming blade are located at outer sides of both ends of the trimming seat.

As the further improvement of the above technical scheme, polisher position control mechanism includes mounting bracket, spout, second servo motor, sliding seat, fixed slot, stopper and screw hole, mounting bracket fixed mounting be in on the pruning frame, the spout has been seted up on the mounting bracket, the upper surface one end of mounting bracket is fixed with second servo motor, be connected with the sliding seat on the second servo motor, the installation has been seted up on the sliding seat the fixed slot for motor, the lower fixed surface of sliding seat has the stopper, the inside at the spout is installed to the stopper, set up on the sliding seat and connect the screw hole of second servo motor lead screw, the grinding wheel side that sets up on the motor just corresponds spacing.

As a further improvement of the technical scheme, the width of the limiting block is the same as that of the sliding groove, and the limiting block forms a sliding structure through the sliding groove and the mounting frame.

Compared with the prior art, the invention has the beneficial effects that:

the pin trimming and shaping device for the electronic machinery comprises a trimming frame, a pin position adjusting mechanism, a pin limiting mechanism, a pin trimming mechanism and a grinding machine position adjusting mechanism, wherein the trimming frame is provided with the pin position adjusting mechanism, the pin limiting mechanism is arranged on the pin position adjusting mechanism, the side surface of the pin position adjusting mechanism is provided with the pin trimming mechanism, the pin trimming mechanism is arranged on the trimming frame, the grinding machine position adjusting mechanism is provided with a motor, and the operating end of the motor is provided with a grinding wheel.

1. The pin position adjusting mechanism arranged on the device can adjust the pin position arranged on the device when the pin is trimmed, so that the reserved lengths of the pins are different after the pin is trimmed;

2. the pin limiting mechanism arranged on the device can select different limiting frames to install when different chips are installed, and fix different chip pin structures;

3. when the pin trimming mechanism is used for trimming pins and the trimming knife is replaced regularly, the possibility of injury of operators during replacement can be avoided;

4. after the pin is pruned, through polisher position control mechanism, the control motor removes, polishes the processing to the pin end after pruning, avoids sharp breach to appear in the end of pin.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of another angle structure of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of a pin position adjustment mechanism according to the present invention;

FIG. 4 is a schematic structural view of a movable frame mounting pin limiting mechanism according to the present invention;

FIG. 5 is a schematic view of an assembly structure of the pin trimming mechanism according to the present invention;

FIG. 6 is a schematic view of the position adjustment mechanism of the sander according to the present invention;

fig. 7 is a schematic structural view of the movable seat of the present invention.

In the figure: 1. a trimming frame; 2. a pin position adjustment mechanism; 201. a first servo motor; 202. a limiting clamping groove; 203. a movable frame; 204. a thread groove; 205. a connecting seat; 206. mounting grooves; 3. a pin limiting mechanism; 301. a limiting frame; 302. a groove; 303. an isolation trench; 4. a pin trimming mechanism; 401. An electric telescopic rod; 402. a trimming seat; 403. a limit bolt; 404. connecting grooves; 405. a trimming blade; 406. a bump; 407. connecting holes; 408. a bolt; 5. a sander position adjustment mechanism; 501. a mounting frame; 502. a chute; 503. a second servo motor; 504. a movable seat; 505. fixing grooves; 506. a limiting block; 507. a threaded hole; 6. a motor; 7. and (5) grinding the wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the embodiments of the present invention.

The existing device has the following defects:

2. the pins of chips with different models cannot be fixed;

4. the pruning seat and the pruning knife are integrally arranged, so that the pruning seat and the pruning knife are inconvenient to replace and have certain dangerousness during replacement.

Accordingly, the embodiment of the invention provides a pin trimming and shaping device for an electronic machine, which is convenient to use and is convenient for an operator to use.

Hereinafter, a pin trimming and shaping device for an electronic machine according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 7.

Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a shaping device is pruned to pin for electronic machine, including pruning frame 1, pin position adjustment mechanism 2, pin is injectd mechanism 3, pin pruning mechanism 4 and polisher position adjustment mechanism 5, be provided with pin position adjustment mechanism 2 on pruning frame 1, be provided with pin injectd mechanism 3 on the pin position adjustment mechanism 2, the side of pin position adjustment mechanism 2 is provided with pin pruning mechanism 4, pin pruning mechanism 4 is installed on pruning frame 1, install polisher position adjustment mechanism 5 on pruning frame 1, be provided with motor 6 on polisher position adjustment mechanism 5, polishing wheel 7 is installed to the function end of motor 6.

In this embodiment: through the pin position adjustment mechanism 2 that sets up on the device, when making the pin prune, can adjust the pin position that sets up on the device, and then make the pin after pruning, the length that reserves is different, pin limiting mechanism 3 through setting up on the device, make different chips when installing, all can select different spacing 301 to install, fix different chip pin structures, pin trimming mechanism 4 is when realizing pruning the pin, when pruning sword 405 carries out periodic replacement, can avoid reducing the injured possibility of operating personnel when changing, after the pin is pruned, through polisher position adjustment mechanism 5, control motor 6 removes, the terminal processing of polishing of the pin after pruning, avoid the terminal sharp breach that appears of pin.

Further, the pin position adjusting mechanism 2 comprises a first servo motor 201, a limit slot 202, a movable frame 203, a thread groove 204, a connecting seat 205 and a mounting groove 206, the first servo motor 201 is installed at the center of one side of the upper surface of the trimming frame 1, two sets of limit slots 202 are symmetrically arranged on the upper surface of the trimming frame 1 with respect to the first servo motor 201, the movable frame 203 is movably installed on the trimming frame 1, the thread groove 204 is arranged on one side of the movable frame 203 close to the first servo motor 201, a lead screw of the first servo motor 201 is connected inside the thread groove 204, the connecting seat 205 is fixed on two sides of the movable frame 203, the connecting seat 205 is movably installed inside the limit slot 202, the mounting groove 206 is arranged on the upper surface of the movable frame 203, the thread groove 204 arranged on one side of the movable frame 203 is connected through the first servo motor 201 to control the first servo motor 201 to rotate forward and backward, because one end of the connecting seat 205, thereby allowing the movable frame 203 to be adjusted in position on the trimming stand 1.

Further, formula structure as an organic whole between adjustable shelf 203 and the connecting seat 205, the one end cross sectional shape of connecting seat 205 is the same with the cross sectional shape of spacing draw-in groove 202, adjustable shelf 203 constitutes sliding construction between through first servo motor 201 and pruning frame 1 with the help of thread groove 204, prescribes a limit to two sets of connecting seats 205 through spacing draw-in groove 202, makes connecting seat 205 can not take place rotatoryly, and then cooperates the rotation of first servo motor 201 with the help of thread groove 204, makes adjustable shelf 203 slide on pruning frame 1.

Further, pin limiting mechanism 3 includes spacing frame 301, recess 302 and isolation tank 303, spacing frame 301 movable mounting is on adjustable shelf 203, spacing frame 301 sets up the inside at mounting groove 206, recess 302 has been seted up at the inside both ends in one side of spacing frame 301, isolation tank 303 has been seted up to spacing frame 301's other both sides, spacing frame 301 is provided with the different kinds of multiunit, but the external shape of every spacing frame 301 of group is all the same with the internal shape of mounting groove 206, make every spacing frame 301 of seting up different recesses 302 and isolation tank 303 all can install on adjustable shelf 203.

Further, the external shape of spacing 301 is the same with the internal shape of mounting groove 206, constitute detachable construction between spacing 301 and the adjustable shelf 203, multiunit isolation groove 303 has been seted up to equidistant on spacing 301, the chip shape according to processing at every turn is different, select corresponding spacing 301 to install the chip, then the mounting groove 206 of seting up on the adjustable shelf 203 is recycled and limit 301 is installed, isolation groove 303's setting makes unprocessed pin expose on the chip, and then conveniently process the pin.

Further, the pin trimming mechanism 4 comprises an electric telescopic rod 401, a trimming base 402, a limit bolt 403, a connecting groove 404, a trimming blade 405, a convex block 406, a connecting hole 407 and a bolt 408, the electric telescopic rod 401 is fixed on the trimming frame 1, the trimming base 402 is fixed at the operating end of the electric telescopic rod 401, two groups of limit bolts 403 are symmetrically fixed below the trimming base 402 about the electric telescopic rod 401, one end of each limit bolt 403 penetrates through the lower surface of the trimming frame 1, the connecting groove 404 is arranged inside the trimming base 402, the trimming blade 405 is movably connected to the trimming base 402, the convex block 406 is fixed at both ends of the trimming blade 405, the convex block 406 is arranged outside the trimming base 402, the connecting holes 407 are respectively arranged on the trimming base 402 and the trimming blade 405, the trimming base 402 is connected with the trimming blade 405 through the bolt 408, the electric telescopic rod 401 controls the trimming base 402 to move up and down, and further the trimming blade 405 arranged on the trimming base 402 is, and the attachment slot 404 is provided to facilitate attachment of the trimming blade 405 to the trimming base 402, and is secured by the bolt 408.

Further, pruning seat 402 passes through to constitute elevation structure between electric telescopic handle 401 and pruning frame 1, three groups of through-holes have been seted up on pruning frame 1, the through-hole diameter of seting up on pruning frame 1 is the same with the diameter of spacing bolt 403, control pruning seat 402 through electric telescopic handle 401 and go up and down to remove, and then utilize pruning sword 405 to prune the pin, the through-hole of seting up on two sets of spacing bolts 403 cooperation pruning frame 1 that pruning seat 402 below set up, make pruning seat 402 when reciprocating, the skew can not take place for the angle, trim the pin neatly.

Further, the external dimension of one end of the trimming blade 405 is the same as the internal dimension of the connecting groove 404, a detachable structure is formed between the trimming blade 405 and the trimming base 402, the protruding blocks 406 arranged on the two sides of the trimming blade 405 are positioned on the outer sides of the two ends of the trimming base 402, when the trimming blade 405 is replaced, after the bolt 408 is detached, the trimming blade 405 is taken out from the inside of the connecting groove 404 by using the protruding blocks 406, so that the situation that an operator directly contacts the trimming blade 405 with a hand is avoided, and the operator is injured when the trimming blade 405 is replaced is avoided.

Further, the sander position adjusting mechanism 5 includes a mounting frame 501, a sliding groove 502, a second servo motor 503, a movable seat 504, a fixing groove 505, a limiting block 506 and a threaded hole 507, the mounting frame 501 is fixedly mounted on the trimming frame 1, the sliding groove 502 is formed on the mounting frame 501, the second servo motor 503 is fixed at one end of the upper surface of the mounting frame 501, the movable seat 504 is connected to the second servo motor 503, the fixing groove 505 for mounting the motor 6 is formed on the movable seat 504, the limiting block 506 is fixed at the lower surface of the movable seat 504, the limiting block 506 is mounted inside the sliding groove 502, the threaded hole 507 connected with the lead screw of the second servo motor 503 is formed on the movable seat 504, the side surface of the sanding wheel 7 arranged on the motor 6 just corresponds to the limiting frame 301, the movable seat 504 moves back and forth on the mounting frame 501 by means of the threaded hole 507 formed by the rotation of the second servo motor 503, and further the motor 6 mounted, through the grinding wheel 7 that 6 one end of motor set up, polish the pin edge after pruning, avoid the pin edge to have sharp breach.

Further, the width of the limiting block 506 is the same as that of the sliding groove 502, the limiting block 506 forms a sliding structure with the mounting frame 501 through the sliding groove 502, and the limiting block 506 is mounted inside the sliding groove 502, so that when the movable seat 504 moves by means of the second servo motor 503, the angle of the movable seat cannot be changed, and the movable seat 504 is transported to perform linear reciprocating motion.

The working principle and the using process of the invention are as follows: firstly, according to different chip shapes processed each time, a corresponding set of limiting frame 301 is selected from a plurality of different limiting frames 301, then the limiting frame 301 is installed by utilizing the installation groove 206 arranged on the movable frame 203, after the limiting frame 301 is fixed, the chip is installed by utilizing the groove 302 and the isolation groove 303 which are arranged on the limiting frame 301 and have specified sizes, so that the pins of the chip are limited by the corresponding isolation groove 303, after the chip is installed and fixed, the first servo motor 201 is connected with the thread groove 204 arranged on one side of the movable frame 203, the first servo motor 201 is controlled to rotate in the positive and negative directions, the limiting clamping groove 202 limits two sets of connecting seats 205, the connecting seats 205 can not rotate, further the movable frame 203 can be adjusted in position on the trimming frame 1, thereby adjusting the distance between one end of the pin and the trimming knife 405, realizing the reservation of the pin length, when the pin is trimmed, the trimming seat 402 is controlled to move up and down through an electric telescopic rod 401, so that pins are trimmed by a trimming knife 405, two groups of limit bolts 403 arranged below the trimming seat 402 are matched with through holes formed in the trimming frame 1, so that the trimming seat 402 does not deviate in angle when moving up and down, the pins are trimmed neatly, after the trimming of the pins is finished, the first servo motor 201 is controlled to move the movable frame 203, one end of each trimmed pin is moved to the side surface of the polishing wheel 7, the movable frame 504 is rotated through the second servo motor 503 to move back and forth on the mounting frame 501 through a threaded hole 507 formed in the movable frame, so that the position of the motor 6 mounted on the movable frame 504 is moved back and forth, the trimmed pin edge is polished through the polishing wheel 7 arranged at one end of the motor 6, sharp notches are avoided, and finally the movable frame 203 is moved by the first servo motor 201, and (4) restoring the movable frame 203 to the initial position, taking down the processed chip, placing a new chip, and processing again.

Therefore, the pin trimming and shaping device for the electronic machine comprises a trimming frame 1, a pin position adjusting mechanism 2, a pin limiting mechanism 3, a pin trimming mechanism 4 and a grinding machine position adjusting mechanism 5, wherein the trimming frame 1 is provided with the pin position adjusting mechanism 2, the pin limiting mechanism 3 is arranged on the pin position adjusting mechanism 2, the side surface of the pin position adjusting mechanism 2 is provided with the pin trimming mechanism 4, the pin trimming mechanism 4 is installed on the trimming frame 1, the grinding machine position adjusting mechanism 5 is installed on the trimming frame 1, a motor 6 is arranged on the grinding machine position adjusting mechanism 5, and a grinding wheel 7 is installed at the operating end of the motor 6. The first servo motor is connected with a thread groove formed in one side of the movable frame to control the first servo motor to rotate forwards and backwards, the limiting clamping grooves limit two groups of connecting seats, so that the connecting seats cannot rotate, the movable frame can be adjusted in position on the trimming frame, the distance between one end of each pin and the trimming knife is adjusted, and the length of each pin is reserved; selecting a corresponding group of limiting frames from a plurality of different limiting frames according to different shapes of chips processed each time, then installing the limiting frames by utilizing installing grooves formed in movable frames, and after the limiting frames are fixed, installing the chips by utilizing grooves and isolating grooves with specified sizes formed in the limiting frames so that pins of the chips are limited by the corresponding isolating grooves; the movable seat moves back and forth on the mounting frame by virtue of the threaded hole formed through rotation of the second servo motor, so that the position of the motor mounted on the movable seat moves back and forth, and the trimmed edge of the pin is polished by the polishing wheel arranged at one end of the motor, so that a sharp notch is avoided in the edge of the pin; the pruning seat is connected with the pruning knife through the bolt, and when the pruning knife is replaced, the pruning knife is taken out from the connecting groove by utilizing the convex block after the bolt is detached, so that the situation that the operator receives injury when replacing the pruning knife is avoided.

In the description of the present invention, the terms "first", "second", "another", and "yet" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a plastic device is pruned to pin for electronic machine, includes pruning frame (1), pin position control mechanism (2), pin limit mechanism (3), pin pruning mechanism (4) and polisher position control mechanism (5), its characterized in that: be provided with pin position control mechanism (2) on pruning frame (1), be provided with pin limit mechanism (3) on pin position control mechanism (2), the side of pin position control mechanism (2) is provided with pin pruning mechanism (4), install pin pruning mechanism (4) on pruning frame (1), install polisher position control mechanism (5) on pruning frame (1), be provided with motor (6) on polisher position control mechanism (5), polishing wheel (7) are installed to the function end of motor (6).

2. The pin trimming and shaping device according to claim 1, wherein: the pin position adjusting mechanism (2) comprises a first servo motor (201), limiting clamping grooves (202), a movable frame (203), thread grooves (204), connecting seats (205) and a mounting groove (206), wherein the first servo motor (201) is mounted at the center of one side of the upper surface of the trimming frame (1), two groups of limiting clamping grooves (202) are symmetrically formed in the upper surface of the trimming frame (1) relative to the first servo motor (201), the movable frame (203) is movably mounted on the trimming frame (1), the thread grooves (204) are formed in one side, close to the first servo motor (201), of the movable frame (203), the screw rods of the first servo motor (201) are connected inside the thread grooves (204), the connecting seats (205) are fixed on two sides of the movable frame (203), and the connecting seats (205) are movably mounted inside the limiting clamping grooves (202), the upper surface of the movable frame (203) is provided with a mounting groove (206).

3. The pin trimming and shaping device according to claim 2, wherein: the movable frame (203) and the connecting seat (205) are of an integrated structure, the cross section of one end of the connecting seat (205) is the same as that of the limiting clamping groove (202), and the movable frame (203) passes through the first servo motor (201) by means of a thread groove (204) to form a sliding structure with the trimming frame (1).

4. The pin trimming and shaping device for electronic and mechanical use according to claim 1 or 2, wherein: mechanism (3) is injectd to pin includes spacing (301), recess (302) and isolation groove (303), spacing (301) movable mounting is on adjustable shelf (203), spacing (301) set up the inside at mounting groove (206), recess (302) have been seted up at one side inside both ends of spacing (301), isolation groove (303) have been seted up to the other both sides of spacing (301).

5. The pin trimming and shaping device according to claim 4, wherein: the outside shape of spacing (301) with the inside shape of mounting groove (206) is the same, spacing (301) with constitute detachable construction between adjustable shelf (203), the multiunit has been seted up to equidistant on spacing (301) isolation groove (303).

6. The pin trimming and shaping device according to claim 1, wherein: the pin trimming mechanism (4) comprises an electric telescopic rod (401), a trimming seat (402), a limiting bolt (403), a connecting groove (404), a trimming knife (405), a convex block (406), a connecting hole (407) and a bolt (408), wherein the electric telescopic rod (401) is fixed on the trimming frame (1), the trimming seat (402) is fixed at the operating end of the electric telescopic rod (401), two groups of limiting bolts (403) are symmetrically fixed below the trimming seat (402) relative to the electric telescopic rod (401), one end of each limiting bolt (403) penetrates through the lower surface of the trimming frame (1), the connecting groove (404) is formed in the trimming seat (402), the trimming knife (405) is movably connected onto the trimming seat (402), the convex blocks (406) are fixed at two ends of the trimming knife (405), and the convex blocks (406) are arranged on the outer side of the trimming seat (402), the trimming seat (402) and the trimming knife (405) are respectively provided with a connecting hole (407), and the trimming seat (402) is connected with the trimming knife (405) through a bolt (408).

7. The pin trimming and shaping device according to claim 6, wherein: the trimming seat (402) forms a lifting structure through the electric telescopic rod (401) and the trimming frame (1), three groups of through holes are formed in the trimming frame (1), and the diameter of the through holes formed in the trimming frame (1) is the same as that of the limiting bolt (403).

8. The pin trimming and shaping device according to claim 6, wherein: the outer dimension of one end of the trimming blade (405) is the same as the inner dimension of the connecting groove (404), a detachable structure is formed between the trimming blade (405) and the trimming seat (402), and the lugs (406) arranged at two sides of the trimming blade (405) are positioned at the outer sides of two ends of the trimming seat (402).

9. The electronic mechanical pin trimming and shaping device according to claim 1, 2 or 6, wherein: the polisher position adjusting mechanism (5) comprises a mounting frame (501), a sliding groove (502), a second servo motor (503), a movable seat (504), a fixing groove (505), a limiting block (506) and a threaded hole (507), wherein the mounting frame (501) is fixedly mounted on the trimming frame (1), the sliding groove (502) is formed in the mounting frame (501), the second servo motor (503) is fixed to one end of the upper surface of the mounting frame (501), the movable seat (504) is connected to the second servo motor (503), the fixing groove (505) for mounting the motor (6) is formed in the movable seat (504), the limiting block (506) is fixed to the lower surface of the movable seat (504), the limiting block (506) is mounted inside the sliding groove (502), and the threaded hole (507) for connecting the second servo motor (503) is formed in the movable seat (504), the side surface of the grinding wheel (7) arranged on the motor (6) is opposite to the corresponding limiting frame (301).

10. The pin trimming and shaping device according to claim 9, wherein: the width of the limiting block (506) is the same as that of the sliding groove (502), and the limiting block (506) passes through the sliding groove (502) and the mounting frame (501) to form a sliding structure.