CN218313119U

CN218313119U - Positioning jig for manufacturing PCB (printed circuit board) multilayer board

Info

Publication number: CN218313119U
Application number: CN202222565917.9U
Authority: CN
Inventors: 任绍东; 豆昌盛; 苏彩文
Original assignee: Zhongshan Zhaozhen Electronic Technology Co ltd
Current assignee: Zhongshan Zhaozhen Electronic Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-17
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to a PCB multiply wood location technical field especially relates to a PCB multiply wood is made and is used positioning jig, which comprises a base, and the fixed locating rack that sets up in the base top, be equipped with the positioning mechanism who is used for the location of PCB multiply wood on the locating rack, positioning mechanism is including setting up in the movable locating lever at locating rack both ends, and the fixed slip connecting rod that sets up in movable locating lever bottom, slip connecting rod top set up with locating rack sliding connection's bar groove, be provided with the subassembly that compresses tightly that is used for compressing tightly the PCB multiply wood on the movable locating lever, compress tightly the subassembly including seting up the spacing groove at movable locating lever both ends. The utility model has the advantages of simple and reasonable structure for positioning jig more convenience when using has reduced positioning jig's use cost, has practiced thrift the resource to a certain extent, has reduced the waste, has promoted positioning jig's practicality, makes two slip horizontal poles more nimble and stable when removing simultaneously, has promoted the fixed stability of PCB multiply wood centre gripping.

Description

Positioning jig for manufacturing PCB (printed circuit board) multilayer board

Technical Field

The utility model relates to a PCB multiply wood location technical field especially relates to a PCB multiply wood is made and is used positioning jig.

Background

The PCB multilayer board is a circuit board with more than two layers, and consists of connecting leads on a plurality of layers of insulating substrates and a bonding pad for assembling and welding electronic elements, and the PCB multilayer board is usually processed after being fixed by a positioning jig. Chinese patent discloses a positioning jig of circuit board (publication No. CN 217283610U), and this patent is fixed with the circuit board centre gripping through first splint and second splint, and it is fixed to carry out the second grade centre gripping through vacuum pump, first vacuum suction head and second vacuum suction head to the circuit board simultaneously, and is fixed stable good, the processing of the circuit board of being convenient for. But it adsorbs the PCB multiply wood fixedly through vacuum pump and a plurality of vacuum suction head, and after long-time the use, vacuum pump and vacuum suction head need often maintain for the great improvement of its cost is unfavorable for resources are saved, has caused certain waste, and the practicality is relatively poor, has brought very big inconvenience for user's use simultaneously, can't satisfy daily in-service use demand.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a PCB multiply wood is made and is used positioning jig has solved current vacuum pump and vacuum suction head and needs frequent maintenance for the great improvement of its cost is unfavorable for resources are saved, causes extravagant problem, has reached the purpose of reduce cost expenditure and promotion its practicality.

In order to solve the technical problem, the utility model provides a following technical scheme: a positioning jig for manufacturing a PCB multi-layer board comprises a base and a positioning frame fixedly arranged at the top of the base, wherein a positioning mechanism for positioning the PCB multi-layer board is arranged on the positioning frame;

the positioning mechanism comprises movable positioning rods arranged at two ends of a positioning frame and a sliding connecting rod fixedly arranged at the bottom of the movable positioning rods, the top of the sliding connecting rod is provided with a strip-shaped groove in sliding connection with the positioning frame, and the movable positioning rods are provided with pressing assemblies for pressing the PCB multi-layer board;

the pressing assembly comprises limiting grooves formed in two ends of the movable positioning rod and a first wedge block arranged on the inner side of the limiting groove in a sliding mode, a second wedge block connected with the limiting groove in a sliding mode is arranged on one side of the top of the first wedge block, a movable pressing block is fixed to the bottom of the second wedge block, a movable pushing block fixed to the first wedge block is arranged at the bottom of the movable pressing block, a first spring fixed to the movable positioning rod is fixed to the other side of the first wedge block, and a second spring fixed to the movable positioning rod is fixed to the top of the second wedge block.

Further, the locating rack bottom is provided with the coupling assembling that is used for connecting two slip connecting rods, coupling assembling is including setting up respectively in locating rack bottom both sides and intercrossing's connecting rod one and connecting rod two to and set up in connecting rod one middle part and with two sliding connection's of connecting rod spacing cross slot, the base top is fixed with runs through connecting rod one and connecting rod two and rotates the spacing post of being connected rather than.

Further, connecting rod one and two both ends of connecting rod all articulate there is the sliding block, sliding connecting rod one side both ends all set up with sliding block sliding connection's fixed transverse groove.

Furthermore, the inner side of the fixed transverse groove is provided with a limit shaft fixed with the sliding connecting rod, and the limit shaft penetrates through the sliding block and is in sliding connection with the sliding block.

Furthermore, one end of the positioning frame is provided with a driving assembly for driving the sliding connecting rod to move, the driving assembly comprises a rotating nut arranged at one end of the positioning frame, and a threaded hole is formed in the surface of the middle of one of the sliding connecting rods.

Furthermore, a threaded rod with the end part rotatably connected with the base through a bearing seat is fixed on one side of the rotating nut, and the threaded rod penetrates through the positioning frame and is in threaded connection with the threaded hole.

The utility model provides a PCB multiply wood is made and is used positioning jig possesses following beneficial effect:

1. the utility model discloses a set up positioning mechanism and come to fix a position the PCB multiply wood, then be convenient for to its processing, through two movable positioning poles with PCB multiply wood centre gripping, it is fixed to compress tightly the subassembly with the PCB multiply wood simultaneously to make PCB multiply wood location more stable, simple structure is reasonable, make positioning jig convenience more when using, reduced positioning jig's use cost, practiced thrift the resource to a certain extent, reduced the waste, promoted positioning jig's practicality.

2. The utility model discloses a set up coupling assembling and couple together two slip connecting rods, when driving one of them slip connecting rod motion through drive assembly, one of them slip horizontal pole passes through coupling assembling and drives another slip horizontal pole and move to middle direction simultaneously to this will be placed the PCB multiply wood centre gripping on the locating rack and fix, make two slip horizontal poles more nimble and stable when removing, promoted the fixed stability of PCB multiply wood centre gripping.

Drawings

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

fig. 2 is a front sectional view of the present invention;

FIG. 3 is an exploded view of the local structure of the present invention;

fig. 4 is an exploded view of the coupling assembly and the driving assembly of the present invention;

FIG. 5 is an enlarged view of the part A of FIG. 2;

fig. 6 is an enlarged schematic view of the part B of fig. 3.

In the figure: 1. a base; 2. a positioning frame; 3. a positioning mechanism; 31. a movable positioning rod; 32. a sliding link; 33. a strip-shaped groove; 34. a compression assembly; 341. a limiting groove; 342. a first wedge block; 343. a second wedge block; 344. a movable push block; 345. a first spring; 346. a movable pressing block; 347. a second spring; 4. a connecting assembly; 41. a first connecting rod; 42. a second connecting rod; 43. a limiting transverse groove; 44. a limiting post; 45. a slider; 46. fixing the transverse groove; 47. a limiting shaft; 5. a drive assembly; 51. rotating the nut; 52. a threaded hole; 53. a threaded rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a PCB multiply wood is made and is used positioning jig, includes base 1 to and fixed the locating rack 2 that sets up in base 1 top, be equipped with the positioning mechanism 3 that is used for the location of PCB multiply wood on the locating rack 2.

Positioning mechanism 3 is used for fixing a position the PCB multiply wood, compresses tightly subassembly 34 simultaneously and fixes the PCB multiply wood pressure, and the PCB multiply wood location that will place on locating rack 2 is more stable for positioning jig convenience more when using has reduced positioning jig's use cost.

Positioning mechanism 3 is including setting up in the activity locating lever 31 at 2 both ends of locating rack to and the fixed slip connecting rod 32 that sets up in activity locating lever 31 bottom, slip connecting rod 32 top offer with 2 sliding connection's of locating rack bar groove 33, slip connecting rod 32 slides between locating rack 2 and base 1 through the bar groove 33 at its top, it is more stable when making the motion of slip connecting rod 32, be provided with the subassembly 34 that compresses tightly that is used for compressing tightly the PCB multiply wood on the activity locating lever 31.

The pressing assembly 34 includes a first wedge 342 slidably disposed inside the first wedge 341 and a second wedge 343 slidably connected to the first wedge 341 disposed at both ends of the movable positioning rod 31, a movable pressing block 346 is fixed at the bottom of the second wedge 343, a movable pushing block 344 fixed to the first wedge 342 is disposed at the bottom of the movable pressing block 346, a first spring 345 fixed to the movable positioning rod 31 is fixed at the other side of the first wedge 342, a second spring 347 fixed to the movable positioning rod 31 is fixed at the top of the second wedge 343, the second spring 347 is in a compressed state at an initial state, the movable pressing block 346 and the movable pushing block 344 are both made of a soft anti-slip material, both end surfaces of the PCB are respectively contacted with the movable pushing block 344, both end surfaces of the top of the PCB are respectively contacted with the movable pressing block 346, the PCB is protected while clamping the PCB, thereby preventing the PCB from being damaged due to over-tight positioning of the PCB, when the movable pushing block 344 is contacted with the PCB, the movable pushing block 344 pushes the first wedge 342 to slide inside the second wedge 341, the movable pushing block 343 is deformed by the first wedge 345, and pushes the second wedge 343 downward to move the movable pushing block 343, thereby pushing block 343 to push the second wedge 342.

Specifically, the bottom of the positioning frame 2 is provided with a connecting assembly 4 for connecting two sliding connecting rods 32, the connecting assembly 4 includes a first connecting rod 41 and a second connecting rod 42 which are respectively arranged on two sides of the bottom of the positioning frame 2 and are mutually crossed, and a limiting transverse groove 43 which is arranged in the middle of the first connecting rod 41 and is slidably connected with the second connecting rod 42, a limiting post 44 which penetrates through the first connecting rod 41 and the second connecting rod 42 and is rotatably connected with the first connecting rod 41 and the second connecting rod 42 is fixed on the top of the base 1, two ends of the first connecting rod 41 and the second connecting rod 42 are both hinged with sliding blocks 45, two ends of one side of the sliding connecting rod 32 are both provided with a fixing transverse groove 46 which is slidably connected with the sliding blocks 45, a limiting shaft 47 which is fixed with the sliding connecting rod 32 is arranged on the inner side of the fixing transverse groove and penetrates through the sliding blocks 45 and is slidably connected with the sliding blocks, when one of the sliding connecting rods 32 moves, the first connecting rod 41 and the second connecting rod 42 respectively push the first connecting rod 41 and the second connecting rod 42 to move on the inner side of the fixing transverse groove, so that the sliding blocks 45 slide on the middle connecting rod and the other connecting rod 32 gradually increase the acute angle when the connecting rod 41 and the other connecting rod moves.

Specifically, 2 one end of locating rack is equipped with the drive assembly 5 that is used for driving the motion of slip connecting rod 32, drive assembly 5 is including setting up in the rotatory nut 51 of 2 one ends of locating rack, rotatory nut 51 one side is fixed with the tip and passes through bearing frame and base 1 and rotate the threaded rod 53 of being connected, threaded hole 52 is seted up on one of them slip connecting rod 32 middle part surface, threaded rod 53 runs through locating rack 2 and threaded hole 52 threaded connection, through rotating rotatory nut 51, rotatory nut 51 drives its threaded rod 53 and takes place to rotate, threaded rod 53 drives one of them slip connecting rod 32 when rotatory and slides to the middle direction between locating rack 2 and base 1, make two slip horizontal poles more nimble when removing.

In the embodiment, in the process of positioning the PCB multi-layer board, the PCB multi-layer board is firstly placed in the middle of the positioning frame 2, then the rotating nut 51 is rotated, the rotating nut 51 drives one threaded rod 53 to rotate, because the threaded rod 53 is in threaded connection with the threaded hole 52, the threaded rod 53 rotates and simultaneously drives one of the sliding connecting rods 32 to move towards the middle direction, the sliding connecting rod 32 slides between the positioning frame 2 and the base 1, two ends of one of the sliding connecting rod 32 respectively push the first connecting rod 41 and the second connecting rod 42 to move, one end of the first connecting rod 41 and one end of the second connecting rod 42 respectively drive the sliding block 45 at the end part of the first connecting rod to slide inside the fixed sliding chute, because the limiting column 44 penetrates through the middle parts of the first connecting rod 41 and the second connecting rod 42 and is in rotational connection with the first connecting rod 41, the second connecting rod 42 slides in the limiting transverse groove 43 in the middle part of the first connecting rod 41, so that the first connecting rod 41 and the second connecting rod 42 simultaneously make the cross movement, the acute angle of the first connecting rod 41 and the second connecting rod 42 gradually increases, the other end of the first connecting rod 41 and the second connecting rod 42 drive the other sliding connecting rod 32 to move towards the middle part of the two movable positioning rods 31 to clamp the PCB multi-layer board;

when the movable positioning rod 31 is close to the PCB multilayer board, the movable push block 344 contacts the PCB multilayer board, the PCB multilayer board provides a reaction force, the PCB multilayer board pushes the movable push block 344 to move, the movable push block 344 pushes the wedge block I342 to slide inside the limiting groove 341, the wedge block I342 extrudes the spring I345, the spring I345 generates elastic deformation and is compressed, meanwhile, one side of the top of the wedge block I342 is far away from the wedge block II 343, the spring II 347 at the top of the wedge block II 343 recovers the elastic deformation, the wedge block II 343 is pushed to slide downwards inside the limiting groove 341, the wedge block II 343 pushes the movable pressing block 346 to move downwards, the movable pressing block 346 contacts with the PCB multilayer board, and therefore the PCB multilayer board is further fixed, and the PCB multilayer board is positioned more stably.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCB multiply wood is made and is used positioning jig, includes base (1) to and fixed locating rack (2) that set up in base (1) top, its characterized in that: the positioning frame (2) is provided with a positioning mechanism (3) for positioning the PCB multi-layer board;

the positioning mechanism (3) comprises movable positioning rods (31) arranged at two ends of the positioning frame (2) and a sliding connecting rod (32) fixedly arranged at the bottom of the movable positioning rods (31), the top of the sliding connecting rod (32) is provided with a strip-shaped groove (33) in sliding connection with the positioning frame (2), and the movable positioning rods (31) are provided with pressing assemblies (34) for pressing the PCB multilayer boards;

the pressing assembly (34) comprises limiting grooves (341) formed in two ends of the movable positioning rod (31) and a first wedge block (342) arranged on the inner side of the limiting groove (341) in a sliding mode, a second wedge block (343) in sliding connection with the limiting groove (341) is arranged on one side of the top of the first wedge block (342), a movable pressing block (346) is fixed to the bottom of the second wedge block (343), a movable pushing block (344) fixed to the first wedge block (342) is arranged at the bottom of the movable pressing block (346), a first spring (345) fixed to the movable positioning rod (31) is fixed to the other side of the first wedge block (342), and a second spring (347) fixed to the movable positioning rod (31) is fixed to the top of the second wedge block (343).

2. The positioning jig for manufacturing the PCB multi-layer board as claimed in claim 1, wherein the positioning jig comprises: locating rack (2) bottom is provided with coupling assembling (4) that are used for connecting two slip connecting rods (32), coupling assembling (4) are including setting up respectively in locating rack (2) bottom both sides and intercrossing's connecting rod (41) and connecting rod two (42) to and set up in connecting rod one (41) middle part and with connecting rod two (42) sliding connection's spacing transverse groove (43), base (1) top is fixed with runs through connecting rod one (41) and connecting rod two (42) and rotates spacing post (44) of being connected rather than.

3. The positioning jig for manufacturing the PCB multi-layer board as claimed in claim 2, wherein the positioning jig comprises: connecting rod (41) and connecting rod two (42) both ends all articulate there is sliding block (45), fixed horizontal slot (46) with sliding block (45) sliding connection are all seted up at sliding connecting rod (32) one side both ends.

4. The PCB multi-layer board manufacturing positioning jig as recited in claim 3, wherein: the inner side of the fixed transverse groove (46) is provided with a limiting shaft (47) fixed with the sliding connecting rod (32), and the limiting shaft (47) penetrates through the sliding block (45) and is in sliding connection with the sliding block.

5. The PCB multi-layer board manufacturing positioning jig as recited in claim 1, wherein: locating rack (2) one end is equipped with drive assembly (5) that are used for driving slip connecting rod (32) motion, drive assembly (5) are including setting up in rotatory nut (51) of locating rack (2) one end, one of them slip connecting rod (32) middle part surface seted up screw hole (52).

6. The PCB multi-layer board manufacturing positioning jig as recited in claim 5, wherein: and a threaded rod (53) with the end part rotatably connected with the base (1) through a bearing seat is fixed on one side of the rotating nut (51), and the threaded rod (53) penetrates through the positioning frame (2) and is in threaded connection with the threaded hole (52).