CN210781526U

CN210781526U - PCB board with counterpoint structure

Info

Publication number: CN210781526U
Application number: CN201922099771.1U
Authority: CN
Inventors: 洪涌钦
Original assignee: Shenzhen Jinshenghui Electronic Co ltd
Current assignee: Shenzhen Jinshenghui Electronic Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-16
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to the technical field of PCB boards, in particular to a PCB board with an alignment structure, which comprises a circuit board, guide posts, a base, a limiting rod, a steel ball, a slide rail, a slider, a telescopic spring, a clamping support, a level gauge, a round pipe, an adjusting nut, a lead screw and a sucker, wherein the periphery of the bottom of the circuit board is fixedly connected with the tops of four guide posts respectively; the utility model discloses reached the purpose that improves the circuit board and counterpointed the precision, still improved the stability of circuit board counterpoint in-process simultaneously, cooperate the joint between steel ball and the draw-in groove moreover for the success rate of circuit board counterpoint operation has and is showing the promotion, thereby has reduced economic loss and intensity of labour, and the quality of PCB board is also to promoting.

Description

PCB board with counterpoint structure

Technical Field

The utility model relates to a PCB board technical field especially relates to a PCB board with counterpoint structure.

Background

PCB boards, also known as printed circuit boards, are providers of electrical connections for electronic components. The design of the method is mainly layout design. The circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate. For another example, errors of wiring and assembly can be reduced, the time for maintaining, debugging and checking the equipment is saved, the design can be standardized, the interchange is facilitated, the wiring density is high, the size is small, the weight is light, and the miniaturization of the electronic equipment is facilitated; is beneficial to mechanized and automatic production, improves the labor productivity and reduces the manufacturing cost of the electronic equipment. Therefore, the PCB is an indispensable constituent in the field of the electronic industry.

At present, when the PCB is aligned with a film, alignment offset can occur, the main reason is errors caused by human operation, errors caused by instruments such as an exposure machine and the like, in the prior art, the circuit diagram on the PCB is mainly in one-to-one correspondence with the diagram on the film, image transfer is completed, the accuracy of the PCB is reduced due to the mode, the alignment precision is reduced, the efficiency is reduced, the working performance of the PCB is reduced, certain economic loss and the waste of manual labor are brought, the film and the diagram on the PCB are easily inverted, the PCB is scrapped due to the fact that welding cannot be conducted, and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a PCB board with counterpoint structure has reached the purpose that improves the circuit board and counterpoint the precision, has still improved the stability of circuit board counterpoint in-process simultaneously, cooperates the joint between steel ball and the draw-in groove moreover for the success rate of circuit board counterpoint operation has and is showing the promotion, thereby has reduced economic loss and intensity of labour, and the quality of PCB board is also to promoting.

(II) technical scheme

In order to realize the technical problem, the utility model provides a following technical scheme: the utility model provides a PCB board with counterpoint structure, includes circuit board, guide post, base, gag lever post, steel ball, slide rail, slider, expanding spring, card support, spirit level, pipe, adjusting nut, lead screw and sucking disc, circuit board bottom respectively with four all around the top fixed connection of guide post, the spacing groove has been seted up to the intermediate position of guide post, two draw-in grooves, two have been seted up to the inside of guide post the draw-in groove is located the top position of spacing groove both sides respectively, the base is located the below of circuit board bottom, the standing groove has been seted up to the intermediate position at base top, all around of standing groove inner wall bottom respectively with four the one end fixed connection of gag lever post, the top of gag lever post both sides respectively with two steel ball swing joint.

Furthermore, the shape of spacing groove and gag lever post is the rectangle structure, and four the spacing groove respectively with four the corresponding adaptation of gag lever post, the initial position and the spacing groove of gag lever post are pegged graft mutually.

Further, a mounting groove is formed in the upper portion inside the limiting rod, the inside of the mounting groove is fixedly connected with the outer surface of the sliding rail, the number of the sliding blocks is two, and the sliding blocks are connected with the sliding rail in a sliding mode.

Furthermore, the extension spring is located inside the slide rail, and two ends of the extension spring are respectively fixedly connected with one side of the two opposite slide blocks.

Furthermore, the number of the card supports is two, the two card supports are respectively fixedly connected with one sides of the two sliding blocks which are back to back, one sides of the two card supports which are back to back are respectively fixedly connected with the outer surfaces of the two steel balls, and the two steel balls extend to the outer parts of the two sides of the limiting rod.

Furthermore, the middle position of the front surface of the base is fixedly connected with one side of the level gauge, the level gauge is in a parallel state relative to the horizontal line and the base, the periphery of the bottom of the base is fixedly connected with the tops of the four circular tubes respectively, and the bottoms of the circular tubes are rotatably connected with the top of the adjusting nut through bearings.

Further, the outer surface of the screw rod is connected with the adjusting nut through threads, the top of the screw rod extends into the circular tube, and the bottom of the screw rod is rotatably connected with the top of the sucker through a bearing.

(III) advantageous effects

The utility model provides a PCB board with counterpoint structure possesses following beneficial effect:

1. the utility model discloses a set up four guide posts around the circuit board bottom, the use of cooperation gag lever post this moment, when circuit board and base carry out the counterpoint, make four gag lever posts peg graft with four spacing grooves respectively, consequently when guaranteeing both counterpoint precisions, the stability of circuit board counterpoint in-process has still been improved, cooperate the joint between steel ball and the draw-in groove moreover, make the success rate of circuit board counterpoint operation have and show the promotion, thereby economic loss and intensity of labour have been reduced, and the quality of PCB board also to promote.

2. The utility model discloses a two sliders are at the inside slip of slide rail, when the gag lever post inserts the inside of draw-in groove, two steel balls receive to press and contract to the inside of mounting groove, and when two steel balls were located same straight line with two draw-in grooves respectively, the expanding spring of shrink state is because the elasticity of self ability of resetting, promote two sliders and slide in opposite direction, make two steel balls carry out the joint with two draw-in grooves respectively, consequently, the stability of circuit board after the completion of counterpointing has been guaranteed, avoided because rock and lead to the circuit board emergence of position offset phenomenon to appear, consequently, the precision after the circuit board counterpoints has been improved.

3. The utility model discloses because the setting of spirit level, can focus on the horizontality of base constantly through the setting of spirit level, consequently, the planarization of circuit board at the alignment in-process has been guaranteed, the success rate of counterpoint operation has been improved, and when the base unevenness, rotate adjusting nut through the positive and negative, because the threaded connection of adjusting nut and lead screw, consequently, make the lead screw obtain control for the inside flexible length of pipe, thereby reached the effect to four corner height adjustment of base, and the adsorption effect of cooperation sucking disc, can guarantee the stability of base, and then improved the precision of alignment.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the structural guide post of the present invention;

fig. 3 is a schematic cross-sectional view of the structure stopper rod of the present invention.

In the figure: 1. a circuit board; 2. a guide post; 3. a limiting groove; 4. a card slot; 5. a base; 6. a placement groove; 7. a limiting rod; 8. a steel ball; 9. mounting grooves; 10. a slide rail; 11. a slider; 12. a tension spring; 13. clamping and supporting; 14. a level gauge; 15. a circular tube; 16. adjusting the nut; 17. a screw rod; 18. and (4) sucking discs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-3, the present invention provides a technical solution: a PCB board with an alignment structure comprises a circuit board 1, guide posts 2, a base 5, limiting rods 7, steel balls 8, slide rails 10, a slide block 11, a telescopic spring 12, a clamping holder 13, a level gauge 14, a circular tube 15, an adjusting nut 16, a lead screw 17 and a sucker 18, wherein the periphery of the bottom of the circuit board 1 is fixedly connected with the tops of the four guide posts 2 respectively, a limiting groove 3 is formed in the middle of each guide post 2, two clamping grooves 4 are formed in the guide post 2, the two clamping grooves 4 are respectively positioned above the two sides of each limiting groove 3, the base 5 is positioned below the bottom of the circuit board 1, a placing groove 6 is formed in the middle of the top of the base 5, the periphery of the bottom of the inner wall of the placing groove 6 is fixedly connected with one end of each of the four limiting rods 7 respectively, the tops of the two sides of each limiting rod 7 are movably connected with the two steel balls 8 respectively, the four, use of cooperation gag lever post 7 this moment, when circuit board 1 counterpoints with base 5, make four gag lever posts 7 peg graft with four spacing grooves 3 respectively, consequently when guaranteeing both counterpoint accuracies, still improved the stability of circuit board counterpoint in-process, cooperate the joint between steel ball 8 and the draw-in groove 4 moreover for the success rate of circuit board 1 counterpoint operation has and is showing the promotion, thereby reduced economic loss and intensity of labour, and the quality of PCB board also to promoting.

The limiting grooves 3 and the limiting rods 7 are of rectangular structures, the four limiting grooves 3 are respectively matched with the four limiting rods 7 correspondingly, the initial position of each limiting rod 7 is spliced with the corresponding limiting groove 3, a mounting groove 9 is formed above the inner part of each limiting rod 7, the inner part of each mounting groove 9 is fixedly connected with the outer surface of each sliding rail 10, the number of the sliding blocks 11 is two, the two sliding blocks 11 are respectively connected with the sliding rails 10 in a sliding manner, an expansion spring 12 is positioned in each sliding rail 10, two ends of each expansion spring 12 are respectively fixedly connected with one side, opposite to the two sliding blocks 11, of each clamping support 13, the two clamping supports 13 are respectively and fixedly connected with the opposite sides of the two sliding blocks 11, the opposite sides of the two clamping supports 13 are respectively and fixedly connected with the outer surfaces of the two steel balls 8, the two steel balls 8 extend to the outer parts of two sides of the limiting rods 7, and the two sliding, when the limiting rod 7 is inserted into the clamping grooves 4, the two steel balls 8 are pressed to contract into the mounting groove 9, when the two steel balls 8 are respectively positioned on the same line with the two clamping grooves 4, the telescopic spring 12 in a contraction state pushes the two sliding blocks 11 to slide in opposite directions due to the self elastic resetting capability, so that the two steel balls 8 are respectively clamped with the two clamping grooves 4, the stability of the circuit board 1 after the alignment is finished is ensured, the position offset phenomenon of the circuit board 1 caused by shaking is avoided, the accuracy of the circuit board 1 after the alignment is improved, the middle position of the front surface of the base 5 is fixedly connected with one side of the level gauge 14, the level gauge 14 is in a parallel state with the base 5 relative to a horizontal line, the periphery of the bottom of the base 5 is respectively fixedly connected with the tops of the four circular tubes 15, the bottoms of the circular tubes 15 are rotatably connected with the tops of the adjusting nuts 16 through bearings, through threaded connection between the surface of lead screw 17 and adjusting nut 16, the top of lead screw 17 extends to the inside of pipe 15, the bottom of lead screw 17 passes through the bearing rotation with the top of sucking disc 18 and is connected, because the setting of spirit level 14, the horizontality of base 5 can be paid attention to constantly through the setting of spirit level 14, consequently, the planarization of circuit board in the counterpoint in-process has been guaranteed, the success rate of counterpoint operation has been improved, and when base 5 unevenness, through positive reverse rotation adjusting nut 16, because adjusting nut 16 and lead screw 17's threaded connection, consequently, make lead screw 17 obtain control for the inside flexible length of pipe 15, thereby reached the effect to four corner height adjustment of base 5, and the adsorption effect of cooperation sucking disc 18, can guarantee base 5's stability, and then improved the precision of counterpoint process.

The working principle is as follows: in the using process, four guide posts 2 are arranged around the bottom of the circuit board 1, and then the four guide posts are matched with the use of the limiting rods 7, when the circuit board 1 is aligned with the base 5, the four limiting rods 7 are respectively inserted into the four limiting grooves 3, so that the alignment accuracy of the circuit board and the base is ensured, the stability of the circuit board in the alignment process is improved, and the steel balls 8 are clamped with the clamping grooves 4, at the moment, through the sliding of the two sliding blocks 11 in the sliding rails 10, when the limiting rods 7 are inserted into the clamping grooves 4, the two steel balls 8 are pressed to be contracted into the mounting grooves 9, and when the two steel balls 8 are respectively positioned on the same straight line with the two clamping grooves 4, the telescopic springs 12 in the contraction state push the two sliding blocks 11 to slide in opposite directions due to the self elastic resetting capability, so that the two steel balls 8 are respectively clamped with the two clamping grooves 4, therefore, the stability of the circuit board 1 after the alignment is completed is ensured, and the success rate of the alignment operation of the circuit board 1 is obviously improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 board with counterpoint structure, includes circuit board (1), guide post (2), base (5), gag lever post (7), steel ball (8), slide rail (10), slider (11), expanding spring (12), card hold in the palm (13), spirit level (14), pipe (15), adjusting nut (16), lead screw (17) and sucking disc (18), its characterized in that: the circuit board (1) bottom respectively with four all around the top fixed connection of guide post (2), spacing groove (3) have been seted up to the intermediate position of guide post (2), two draw-in grooves (4) have been seted up to the inside of guide post (2), two draw-in groove (4) are located the top position of spacing groove (3) both sides respectively, base (5) are located the below of circuit board (1) bottom, standing groove (6) have been seted up to the intermediate position at base (5) top, standing groove (6) inner wall bottom respectively with four all around the one end fixed connection of gag lever post (7), the top of gag lever post (7) both sides respectively with two steel ball (8) swing joint.

2. The PCB board with the alignment structure as claimed in claim 1, wherein: the limiting groove (3) and the limiting rod (7) are both rectangular in shape, the limiting grooves (3) are correspondingly matched with the limiting rods (7), and the initial positions of the limiting rods (7) are connected with the limiting grooves (3) in an inserting mode.

3. The PCB board with the alignment structure as claimed in claim 1, wherein: mounting groove (9) have been seted up to the inside top of gag lever post (7), the inside of mounting groove (9) is connected with the surface fixed connection of slide rail (10), the quantity of slider (11) is two, and two slider (11) all with slide rail (10) sliding connection.

4. The PCB board with the alignment structure as claimed in claim 1, wherein: the telescopic spring (12) is located inside the sliding rail (10), and two ends of the telescopic spring (12) are fixedly connected with one side, opposite to the two sliding blocks (11), of the sliding rail.

5. The PCB board with the alignment structure as claimed in claim 1, wherein: the number of the card supports (13) is two, the two card supports (13) are respectively fixedly connected with one sides of the two sliding blocks (11) which are opposite to each other, one sides of the two card supports (13) which are opposite to each other are respectively fixedly connected with the outer surfaces of the two steel balls (8), and the two steel balls (8) extend to the outer portions of the two sides of the limiting rod (7).

6. The PCB board with the alignment structure as claimed in claim 1, wherein: the utility model discloses a base, including base (5), spirit level (14), base (5) front intermediate position and one side fixed connection of spirit level (14), spirit level (14) are in parallel state for water flat line and base (5), base (5) bottom around respectively with four the top fixed connection of pipe (15), the bottom of pipe (15) is passed through the bearing and is rotated with the top of adjusting nut (16) and be connected.

7. The PCB board with the alignment structure as claimed in claim 1, wherein: the outer surface of the screw rod (17) is connected with the adjusting nut (16) through threads, the top of the screw rod (17) extends to the inside of the circular tube (15), and the bottom of the screw rod (17) is rotatably connected with the top of the sucker (18) through a bearing.