CN113977117A

CN113977117A - PCB laser marking positioning device

Info

Publication number: CN113977117A
Application number: CN202111344078.1A
Authority: CN
Inventors: 蒲超
Original assignee: Shenzhen Shenkai Electronic Co ltd
Current assignee: Shenzhen Shenkai Electronic Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-01-28

Abstract

The application relates to the field of PCB marking equipment, in particular to a PCB laser marking positioning device, which comprises a base, wherein a transverse clamping device for transversely fixing a PCB is arranged on the base, and a longitudinal clamping device for longitudinally fixing the PCB is arranged on the base; the transverse clamping device comprises a transverse pushing component for pushing the PCB to move transversely, the transverse pushing component comprises two transverse pushing plates which are arranged on the base in a sliding mode, and the transverse clamping device comprises a transverse driving component for driving the two transverse pushing plates to approach or depart from each other; the longitudinal clamping device comprises a longitudinal pushing component for pushing the PCB to move longitudinally, the longitudinal pushing component comprises two longitudinal pushing plates which are slidably mounted on the base, and the two longitudinal pushing plates are perpendicular to the transverse pushing plate. The application improves the problem of poor uniformity of the marking positions on a plurality of PCB boards.

Description

PCB laser marking positioning device

Technical Field

The application relates to the field of PCB marking equipment, in particular to a PCB laser marking positioning device.

Background

At present, with the continuous development of electronic devices, PCBs are increasingly applied, and for PCBs, after production, the PCBs need to be marked so as to be identified, including models, manufacturer information, and the like.

The related technology can refer to Chinese invention application with publication number CN112388192A, which discloses a PCB laser marking positioning device, comprising a base, wherein the base is symmetrically provided with transverse driving seats, each transverse driving seat is symmetrically provided with a longitudinal driving seat, opposite ends of the two longitudinal driving seats are connected with positioning plates through positioning bulges, the other ends of the positioning plates are connected with U-shaped clamping frames, clamping mechanisms are arranged in the clamping frames, and the two clamping mechanisms clamp a PCB together; the centre gripping frame is close to symmetrical fixedly connected with support column on the both sides inner frame wall of frame mouth one end position, and the cover is equipped with the stay tube on the column wall of support column, support column and stay tube sliding connection, and the support column setting is passed to the one end that the stay tube is close to the PCB board, and the one end fixedly connected with grip block that the stay tube is close to the PCB board, and the both ends setting of two grip block centre gripping PCB boards. When the PCB needs to be marked, the PCB is placed between the two clamping plates by a worker, then the PCB is positioned by the two clamping plates, and finally the PCB is marked.

With respect to the related art in the above, the inventors consider that: staff can't put the accurate alignment mark device of central point of PCB board at the in-process of placing the PCB board for the position of mark can't be unified on a plurality of PCB boards, leads to the uniformity of mark position on a plurality of PCB boards to be relatively poor.

Disclosure of Invention

In order to improve the relatively poor problem of mark position uniformity on a plurality of PCB boards, this application provides a PCB laser marking positioner.

The application provides a PCB laser marking positioner adopts following technical scheme:

a laser marking positioning device for a PCB comprises a base for placing the PCB, wherein a transverse clamping device for transversely fixing the PCB is arranged on the base; the transverse clamping device comprises a transverse pushing component for pushing the PCB to move transversely, the transverse pushing component comprises two transverse pushing plates which are slidably mounted on the base, the two transverse pushing plates are parallel to each other and can be in contact with the PCB, and the transverse clamping device comprises a transverse driving component for driving the two transverse pushing plates to approach or depart from each other; the longitudinal clamping device comprises a longitudinal pushing component for pushing the PCB to move longitudinally, the longitudinal pushing component comprises two longitudinal pushing plates which are slidably mounted on the base, the two longitudinal pushing plates are parallel to each other, the two longitudinal pushing plates can be in contact with the PCB, the two longitudinal pushing plates are perpendicular to the transverse pushing plates, and the longitudinal clamping device comprises a longitudinal driving component for driving the two longitudinal pushing plates to be close to or far away from each other.

Through adopting above-mentioned technical scheme, when needs are fixed a position the PCB board, start horizontal drive part and vertical drive part, horizontal drive part drives two horizontal pushing slats and is close to each other, and vertical drive part drives two vertical pushing slats and is close to each other, and two horizontal pushing slats and two vertical pushing slats promote the PCB board and move to central point and put for mark position on the PCB board can obtain unifying, has improved the relatively poor problem of mark position uniformity on a plurality of PCB boards.

Preferably, the top of base is seted up the horizontal hole of sliding that link up with the installation cavity, horizontal drive part is including rotating the horizontal two-way screw rod of installing in the installation cavity, horizontal two-way screw rod extends to the outside of base, the horizontal fixed plate of fixedly connected with on the base, install horizontal motor on the horizontal fixed plate, install horizontal adapting unit on the horizontal motor, horizontal adapting unit is connected with horizontal two-way screw rod, the both ends difference thread bush of horizontal two-way screw rod is equipped with horizontal drive block, two horizontal drive block all slides and places in horizontal hole of sliding, two horizontal drive block respectively with horizontal slurcam fixed connection.

Through adopting above-mentioned technical scheme, only need start horizontal motor, horizontal motor drives horizontal two-way screw rod through horizontal adapting unit and rotates, and horizontal two-way screw rod drives two horizontal drive blocks and is close to each other, and two horizontal drive blocks drive horizontal catch plate respectively and remove to can remove the PCB board, the staff of being convenient for operates.

Preferably, the transverse connecting part comprises a transverse square block fixedly connected to the output shaft of the transverse motor, and a transverse square groove for inserting the transverse square block is formed in the end face of the transverse bidirectional screw.

Through adopting above-mentioned technical scheme, horizontal motor drives horizontal square piece and rotates, and horizontal square piece drives horizontal two-way screw rod and rotates to realized removing the PCB board.

Preferably, a transverse dovetail groove is formed in the end face of the transverse fixing plate, and a transverse dovetail block which is slidably arranged in the transverse dovetail groove is fixedly connected to the bottom of the transverse motor; a transverse control component for controlling the transverse dovetail block to move is arranged on the transverse fixing plate and comprises a transverse electromagnet fixedly connected to the side wall of the transverse dovetail groove far away from the base; the transverse fixing plate is fixedly connected with a transverse storage battery, and the transverse storage battery is electrically connected with the transverse electromagnet through a lead; the lateral wall of horizontal forked tail piece orientation horizontal electro-magnet is gone up fixedly connected with horizontal iron sheet, horizontal iron sheet uses with the cooperation of horizontal electro-magnet, horizontal dovetail is close to fixedly connected with transverse control spring on the lateral wall of base, transverse control spring and horizontal forked tail piece fixed connection, horizontal clamping device is including the transverse switch part that is used for controlling horizontal electro-magnet switch.

Through adopting above-mentioned technical scheme, start the transverse switch part, horizontal battery is circular telegram to horizontal electro-magnet, horizontal electro-magnet carries out the actuation to horizontal iron sheet, horizontal iron sheet drives horizontal dovetail piece and removes, horizontal dovetail piece drives horizontal motor and removes, horizontal motor drives horizontal square piece and removes, make horizontal square piece and horizontal two-way screw rod alternate segregation, can be with horizontal catch plate stop motion, the number of times that the staff switched horizontal motor has been reduced, the staff of being convenient for operates.

Preferably, the transverse switch part is installed on the transverse pushing plate, a transverse mounting groove is formed in the side wall of the transverse pushing plate facing the PCB, the transverse switch part comprises a transverse switch spring fixedly connected to the side wall of the transverse mounting groove, the transverse switch spring is far away from the transverse pushing plate, the transverse switch plate can be abutted to the PCB, the transverse switch spring is in a compression shape, a transverse first contact is arranged on the transverse switch plate, a transverse second contact is arranged on the side wall of the transverse mounting groove, the transverse first contact is matched with the transverse second contact for use, the transverse first contact is electrically connected with a transverse electromagnet through a wire, and the transverse second contact is electrically connected with a transverse storage battery through a wire.

Through adopting above-mentioned technical scheme, promote the in-process that the PCB board removed at horizontal kickboard, horizontal kickboard drives horizontal switch board and removes, when two horizontal kickboards all with the PCB board contact, horizontal first contact and horizontal second contact, horizontal battery is to horizontal electro-magnet circular telegram for horizontal two-way screw rod stall has accomplished the fixed to the PCB board, has reduced staff's operating procedure, has improved staff's mark efficiency.

Preferably, the lateral wall of the transverse mounting groove is fixedly connected with a transverse telescopic rod, and the transverse telescopic rod is fixedly connected with a transverse switch plate.

By adopting the technical scheme, the transverse telescopic rod limits the motion track of the transverse switch plate and improves the moving stability of the transverse switch plate.

Preferably, the longitudinal driving part and the transverse driving part have the same structure, and the longitudinal clamping device comprises a longitudinal connecting part, a longitudinal control part and a longitudinal opening and closing part; the longitudinal connecting component and the transverse connecting component have the same structure, the longitudinal control component and the transverse control component have the same structure, and the longitudinal opening and closing component and the transverse opening and closing component have the same structure.

By adopting the technical scheme, the marking efficiency of the workers is further improved.

Preferably, the lateral wall of the transverse square block is fixedly connected with a transverse guide block, and the lateral wall of the transverse square groove is provided with a transverse guide groove for inserting the transverse guide block.

Through adopting above-mentioned technical scheme, horizontal guide block leads horizontal square piece, has improved the stability that horizontal square piece inserted horizontal square groove.

In summary, the present application includes at least one of the following beneficial technical effects:

according to the PCB positioning device, the two transverse pushing plates and the two longitudinal pushing plates are arranged, when the PCB needs to be positioned, the transverse driving part and the longitudinal driving part are started, and the two transverse pushing plates and the two longitudinal pushing plates push the PCB to move to the central position, so that the marking positions on the PCB can be unified, and the problem of poor uniformity of the marking positions on a plurality of PCBs is solved;

according to the PCB board moving mechanism, the transverse motor, the transverse bidirectional screw rod and the transverse driving blocks are arranged, only the transverse motor needs to be started, the transverse motor drives the transverse bidirectional screw rod to rotate through the transverse connecting component, the transverse bidirectional screw rod drives the two transverse driving blocks to be close to each other, and the two transverse driving blocks respectively drive the transverse pushing plate to move, so that the PCB board can be moved, and operation of workers is facilitated;

this application has restricted the movement track of horizontal switch board through setting up horizontal telescopic link, has improved the stability that horizontal switch board removed.

Drawings

Fig. 1 is an overall structure schematic diagram of a PCB laser marking positioning device according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a lateral pushing member according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a lateral driving member according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a lateral control member according to an embodiment of the present application.

Fig. 5 is a schematic structural view of a lateral switch unit according to an embodiment of the present application.

Description of reference numerals: 1. a PCB board; 2. a base; 21. a mounting cavity; 22. a transverse sliding hole; 23. a transverse fixing plate; 231. a transverse dovetail groove; 3. a lateral clamping device; 31. a lateral pushing member; 311. a transverse pushing plate; 3111. a transverse mounting groove; 32. a lateral drive member; 321. a transverse bidirectional screw; 3211. a transverse square groove; 3212. a transverse guide groove; 322. a transverse motor; 3221. a transverse dovetail block; 323. a transverse driving block; 33. a transverse connecting member; 331. a transverse square block; 332. a transverse guide block; 34. a lateral control member; 341. a transverse electromagnet; 342. a lateral accumulator; 343. a transverse iron sheet; 344. a lateral control spring; 35. a lateral switching component; 351. a lateral switch spring; 352. a transverse switch plate; 353. a lateral first contact; 354. a lateral second contact; 355. a transverse telescopic rod; 4. a longitudinal clamping device; 41. a longitudinal pushing member; 411. a longitudinal pushing plate; 42. a longitudinal driving member; 43. a longitudinal connecting member; 44. a longitudinal control member; 45. a longitudinal switch member.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses PCB laser marking positioner. Referring to fig. 1 and 2, the PCB laser marking positioning device comprises a base 2, a transverse clamping device 3 and a longitudinal clamping device 4; a mounting cavity 21 is arranged inside the base 2, a transverse sliding hole 22 is horizontally formed in the top of the base 2, and the transverse sliding hole 22 is communicated with the mounting cavity 21; the transverse clamping device 3 is arranged on the base 2, the transverse clamping device 3 can be used for transversely fixing the PCB 1, and the transverse clamping device 3 comprises a transverse pushing component 31, a transverse driving component 32, a transverse connecting component 33, a transverse control component 34 and a transverse switch component 35; the longitudinal clamping device 4 is installed on the base 2, the longitudinal clamping device 4 can be used for longitudinally fixing the PCB 1, and the longitudinal clamping device 4 comprises a longitudinal pushing component 41, a longitudinal driving component 42, a longitudinal connecting component 43, a longitudinal control component 44 and a longitudinal switch component 45; the longitudinal connecting member 43 is identical in structure to the lateral connecting member 33, the longitudinal control member 44 is identical in structure to the lateral control member 34, and the longitudinal opening and closing member 45 is identical in structure to the lateral opening and closing member 35.

Referring to fig. 2, the lateral pushing member 31 includes two lateral pushing plates 311; two horizontal catch plates 311 all slide and install at the top of base 2, and two horizontal catch plates 311 are the level setting, and two horizontal catch plates 311 are parallel to each other, and two horizontal catch plates 311 all can contact with PCB board 1, and PCB board 1 is located between two horizontal catch plates 311, and horizontal drive unit 32 can be used to drive two horizontal catch plates 311 and be close to each other or keep away from. The longitudinal pushing member 41 includes two longitudinal pushing plates 411; two vertical pushing boards 411 are all slidably mounted at the top of the base 2, two vertical pushing boards 411 are horizontally arranged, two vertical pushing boards 411 are parallel to each other, two vertical pushing boards 411 are perpendicular to the horizontal pushing board 311, two vertical pushing boards 411 can be in contact with the PCB 1, the PCB 1 is located between the two vertical pushing boards 411, the vertical driving component 42 can be used for driving the two vertical pushing boards 411 to be close to or away from each other, and the vertical driving component 42 is identical to the horizontal driving component 32 in structure. The transverse driving component 32 and the longitudinal driving component 42 are started, and the two transverse pushing plates 311 and the two longitudinal pushing plates 411 push the PCB 1 to move to the central position, so that the marking positions on the PCB 1 can be unified, and the problem of poor uniformity of the marking positions on a plurality of PCBs 1 is solved.

Referring to fig. 2 and 3, a transverse fixing plate 23 is fixedly connected to the side wall of the base 2, and the transverse driving part 32 includes a transverse bidirectional screw 321, a transverse motor 322, and two transverse driving blocks 323; the transverse bidirectional screw 321 is rotatably installed on the inner wall of the installation cavity 21, the transverse bidirectional screw 321 is horizontally arranged, the transverse bidirectional screw 321 is perpendicular to the transverse pushing plate 311, and the transverse bidirectional screw 321 extends to the outer side of the base 2; the transverse motor 322 is installed on the top of the transverse fixing plate 23, the output shaft of the transverse motor 322 is horizontally arranged, the output shaft of the transverse motor 322 is connected with the transverse bidirectional screw 321 through the transverse connecting component 33, the transverse motor 322 is started, and the transverse motor 322 drives the transverse bidirectional screw 321 to rotate through the transverse connecting component 33; the two transverse driving blocks 323 are all sleeved on the transverse bidirectional screw rod 321 in a threaded manner, the two transverse driving blocks 323 are all placed in the transverse sliding hole 22 in a sliding manner, the side walls of the two transverse driving blocks 323 are all in contact with the inner wall of the transverse sliding hole 22, the transverse bidirectional screw rod 321 can drive the two transverse driving blocks 323 to be close to each other, the two transverse driving blocks 323 are respectively and fixedly connected with the transverse pushing plate 311, the two transverse driving blocks 323 respectively drive the transverse pushing plate 311 to move, and the operation of workers is facilitated.

Referring to fig. 3 and 4, the lateral connecting member 33 includes a lateral square block 331 and a lateral guide block 332; the transverse square block 331 is fixedly connected to an output shaft of the transverse motor 322, a transverse square groove 3211 is formed in the end face of the transverse bidirectional screw 321, the transverse square block 331 is inserted into the transverse square groove 3211, the shape of the transverse square block 331 is matched with that of the transverse square groove 3211, the transverse motor 322 drives the transverse square block 331 to rotate, and the transverse square block 331 drives the transverse bidirectional screw 321 to rotate; the transverse guide block 332 is fixedly connected to the side wall of the transverse square block 331, a transverse guide groove 3212 is formed in the side wall of the transverse square groove 3211, the transverse guide block 332 is inserted into the transverse guide groove 3212, the shape of the transverse guide block 332 is matched with the shape of the transverse guide groove 3212, and the transverse guide block 332 guides the transverse square block 331.

Referring to fig. 3 and 4, a transverse dovetail groove 231 is horizontally formed on an end surface of the transverse fixing plate 23, and an extending direction of the transverse dovetail groove 231 is the same as that of the transverse bidirectional screw 321; the bottom of the transverse motor 322 is fixedly connected with a transverse dovetail block 3221, the transverse dovetail block 3221 is slidably arranged in the transverse dovetail groove 231, the transverse control component 34 is mounted on the transverse fixing plate 23, and the transverse control component 34 can be used for controlling the transverse dovetail block 3221 to move; the lateral control part 34 includes a lateral electromagnet 341, a lateral accumulator 342, a lateral iron piece 343, and a lateral control spring 344; the transverse electromagnet 341 is fixedly connected to the side wall of the transverse dovetail groove 231 far away from the base 2; the transverse storage battery 342 is fixedly connected to the side wall of the transverse fixing plate 23, the transverse storage battery 342 is electrically connected with the transverse electromagnet 341 through a lead, the transverse switch component 35 is installed on the transverse pushing plate 311, and the transverse switch component 35 can be used for controlling the switch of the transverse electromagnet 341; the transverse iron sheet 343 is fixedly connected to the side wall of the transverse dovetail block 3221 facing the transverse electromagnet 341, and the transverse iron sheet 343 is used in cooperation with the transverse electromagnet 341; lateral control spring 344 is fixedly attached to the side wall of lateral dovetail slot 231 adjacent base 2, and lateral control spring 344 is fixedly attached to lateral dovetail block 3221. The transverse switch component 35 is started, the transverse storage battery 342 is used for electrifying the transverse electromagnet 341, the transverse electromagnet 341 is used for attracting the transverse iron sheet 343, the transverse iron sheet 343 drives the transverse dovetail block 3221 to move, the transverse dovetail block 3221 drives the transverse motor 322 to move, the transverse square block 331 is separated from the transverse bidirectional screw 321, the transverse pushing plate 311 can be stopped to move, the frequency of switching the transverse motor 322 by a worker is reduced, and the operation by the worker is facilitated.

Referring to fig. 4 and 5, a lateral mounting groove 3111 is horizontally formed on a side wall of the lateral pushing plate 311 facing the PCB board 1, and the lateral switch member 35 includes a lateral switch spring 351, a lateral switch plate 352, a lateral first contact 353, a lateral second contact 354 and a lateral telescopic rod 355; the transverse switch spring 351 is fixedly connected to the side wall of the transverse mounting groove 3111, the transverse switch spring 351 is horizontally arranged, the transverse switch spring 351 is in a compressed shape, and the transverse switch spring 351 extends to the outer side of the transverse pushing plate 311; the transverse switch plate 352 is fixedly connected to the transverse switch spring 351, the transverse switch plate 352 is horizontally arranged, the transverse switch plate 352 can move into the transverse mounting groove 3111, the transverse switch plate 352 can be in contact with the PCB 1, and when the two transverse pushing plates 311 are in contact with the PCB 1, the transverse switch plate 352 moves into the transverse mounting groove 3111; the transverse first contact 353 is arranged on the transverse switch plate 352, and the transverse first contact 353 is electrically connected with the transverse electromagnet 341 through a lead; the transverse second contact 354 is arranged on the side wall of the transverse mounting groove 3111, the transverse second contact 354 is electrically connected with the transverse storage battery 342 through a conducting wire, and the transverse first contact 353 is matched with the transverse second contact 354 for use; the transverse expansion link 355 is fixedly connected to the side wall of the transverse installation groove 3111, the transverse expansion link 355 is horizontally arranged, the transverse expansion link 355 is fixedly connected with the transverse switch plate 352, and the transverse expansion link 355 limits the movement track of the transverse switch plate 352. When the transverse switch plate 352 moves into the transverse mounting groove 3111, the transverse first contact 353 is in contact with the transverse second contact 354, the transverse electromagnet 341 is electrified by the transverse storage battery 342, so that the transverse bidirectional screw 321 stops rotating, the operation steps of the workers are reduced, and the marking efficiency of the workers is improved.

The implementation principle of the PCB laser marking positioning device in the embodiment of the application is as follows: when the PCB 1 needs to be marked, firstly, the transverse motor 322 is started, the transverse motor 322 drives the transverse square block 331 to rotate, the transverse square block 331 drives the transverse bidirectional screw 321 to rotate, the transverse bidirectional screw 321 drives the two transverse driving blocks 323 to approach each other, the two transverse driving blocks 323 respectively drive the transverse pushing plate 311 to move, the transverse pushing plate 311 drives the transverse switch plate 352 to move, meanwhile, the transverse pushing plate 311 pushes the PCB 1 to move, when the two transverse pushing plates 311 are both contacted with the PCB 1, the transverse first contact 353 is contacted with the transverse second contact 354, the transverse storage battery 342 powers on the transverse electromagnet 341, the transverse electromagnet 341 attracts the transverse iron sheet 343, the transverse iron sheet 343 drives the transverse dovetail block 3221 to move, the transverse tail block 3221 drives the transverse motor 322 to move, the transverse motor 322 drives the transverse square block 331 to move, make horizontal square piece 331 and horizontal two-way screw rod 321 alternate segregation, horizontal two-way screw rod 321 stall can accomplish the horizontal fixed to PCB board 1, then use vertical clamping device 4 to carry out horizontal fixed to PCB board 1, mark PCB board 1 at last for the mark position on PCB board 1 can be unified, has improved the relatively poor problem of mark position uniformity on a plurality of PCB boards 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a PCB laser marking positioner, is including base (2) that are used for placing PCB board (1), its characterized in that: the PCB fixing device comprises a base (2), a transverse clamping device (3) used for transversely fixing a PCB (1) is installed on the base (2), a longitudinal clamping device (4) used for longitudinally fixing the PCB (1) is installed on the base (2), and a mounting cavity (21) is formed in the base (2); the transverse clamping device (3) comprises a transverse pushing component (31) for pushing the PCB (1) to move transversely, the transverse pushing component (31) comprises two transverse pushing plates (311) which are slidably mounted on the base (2), the two transverse pushing plates (311) are parallel to each other, both the two transverse pushing plates (311) can be in contact with the PCB (1), and the transverse clamping device (3) comprises a transverse driving component (32) for driving the two transverse pushing plates (311) to approach or move away from each other; the longitudinal clamping device (4) comprises a longitudinal pushing component (41) used for pushing the PCB (1) to move longitudinally, the longitudinal pushing component (41) comprises two longitudinal pushing plates (411) which are slidably mounted on the base (2), the two longitudinal pushing plates (411) are parallel to each other, the two longitudinal pushing plates (411) can be in contact with the PCB (1), the two longitudinal pushing plates (411) are perpendicular to the transverse pushing plate (311), and the longitudinal clamping device (4) comprises a longitudinal driving component (42) used for driving the two longitudinal pushing plates (411) to be close to or far away from each other.

2. The laser marking and positioning device for the PCB as claimed in claim 1, wherein: the top of the base (2) is provided with a transverse sliding hole (22) communicated with the mounting cavity (21), the transverse driving component (32) comprises a transverse bidirectional screw rod (321) rotatably arranged in the mounting cavity (21), the transverse bidirectional screw rod (321) extends to the outer side of the base (2), a transverse fixing plate (23) is fixedly connected to the base (2), a transverse motor (322) is arranged on the transverse fixing plate (23), a transverse connecting component (33) is arranged on the transverse motor (322), the transverse connecting component (33) is connected with a transverse bidirectional screw rod (321), two ends of the transverse bidirectional screw rod (321) are respectively sleeved with a transverse driving block (323) in a threaded manner, the two transverse driving blocks (323) are arranged in the transverse sliding hole (22) in a sliding manner, the two transverse driving blocks (323) are respectively and fixedly connected with the transverse pushing plate (311).

3. The PCB laser marking positioning device as claimed in claim 2, wherein: the transverse connecting part (33) comprises a transverse square block (331) fixedly connected to an output shaft of the transverse motor (322), and a transverse square groove (3211) for the transverse square block (331) to insert into is formed in the end face of the transverse bidirectional screw (321).

4. The PCB laser marking positioning device as claimed in claim 3, wherein: a transverse dovetail groove (231) is formed in the end face of the transverse fixing plate (23), and a transverse dovetail block (3221) which is slidably arranged in the transverse dovetail groove (231) is fixedly connected to the bottom of the transverse motor (322); a transverse control component (34) for controlling the transverse dovetail block (3221) to move is mounted on the transverse fixing plate (23), and the transverse control component (34) comprises a transverse electromagnet (341) fixedly connected to the side wall of the transverse dovetail groove (231) far away from the base (2); the transverse fixing plate (23) is fixedly connected with a transverse storage battery (342), and the transverse storage battery (342) is electrically connected with the transverse electromagnet (341) through a lead; the lateral side of the lateral dovetail block (3221) facing the lateral electromagnet (341) is fixedly connected with a lateral iron sheet (343), the lateral iron sheet (343) is matched with the lateral electromagnet (341) for use, the lateral side of the lateral dovetail groove (231) close to the base (2) is fixedly connected with a lateral control spring (344), the lateral control spring (344) is fixedly connected with the lateral dovetail block (3221), and the lateral clamping device (3) comprises a lateral switch component (35) for controlling the lateral electromagnet (341) to be switched.

5. The PCB laser marking positioning device as claimed in claim 4, wherein: the transverse switch component (35) is installed on the transverse pushing plate (311), a transverse installation groove (3111) is formed in the side wall, facing the PCB (1), of the transverse pushing plate (311), the transverse switch component (35) comprises a transverse switch spring (351) fixedly connected to the side wall of the transverse installation groove (3111), one end, far away from the transverse pushing plate (311), of the transverse switch spring (351) is fixedly connected with a transverse switch plate (352), the transverse switch plate (352) can be abutted against the PCB (1), the transverse switch spring (351) is in a compressed state, a transverse first contact (353) is arranged on the transverse switch plate (352), a transverse second contact (354) is arranged on the side wall of the transverse installation groove (3111), the transverse first contact (353) is matched with the transverse second contact (354), and the transverse first contact (353) is electrically connected with the transverse second contact (341) through a lead wire, the transverse second contact (354) is electrically connected with the transverse storage battery (342) through a conducting wire.

6. The PCB laser marking positioning device of claim 5, wherein: the lateral wall of the transverse mounting groove (3111) is fixedly connected with a transverse telescopic rod (355), and the transverse telescopic rod (355) is fixedly connected with a transverse switch plate (352).

7. The PCB laser marking positioning device of claim 5, wherein: the longitudinal driving part (42) and the transverse driving part (32) have the same structure, and the longitudinal clamping device (4) comprises a longitudinal connecting part (43), a longitudinal control part (44) and a longitudinal switch part (45); the longitudinal connecting part (43) and the transverse connecting part (33) are identical in structure, the longitudinal control part (44) and the transverse control part (34) are identical in structure, and the longitudinal opening and closing part (45) and the transverse opening and closing part (35) are identical in structure.

8. The PCB laser marking positioning device as claimed in claim 3, wherein: the lateral wall of the transverse square block (331) is fixedly connected with a transverse guide block (332), and the lateral wall of the transverse square groove (3211) is provided with a transverse guide groove (3212) for the transverse guide block (332) to insert.