CN110662354A - PCB board positive and negative processing positioning carrier - Google Patents

Abstract

The invention belongs to the technical field of PCB processing, and in particular relates to a positioning carrier for positive and negative processing of a PCB board, comprising a board body, four positioning areas are arranged on the board body, and a Dispensing groove, the plate body is also provided with a carrier bushing, the outer side of the carrier bushing is provided with a bushing pressure plate to fix it on the plate body; the two length sides of the plate body An anti-static guide bar is provided, and two draw hooks are arranged on the side of the positioning area close to the anti-static guide bar. The draw hooks are provided with pins that cooperate with the pin holes of the product, and the draw hooks cooperate with the external force unlocking mechanism. ;Through the design of this carrier, the PCB board can be turned over normally with the carrier without the cover, and the positioning is accurate. It can process four PCB boards at a time, with high efficiency, the carrier is very light, easy to process and maintain, The carrier can be circulated with the synchronous belt assembly line, and the PCB board can be processed by the division station.

Description

PCB board positive and negative processing positioning carrier

technical field

The invention belongs to the technical field of PCB processing, and in particular relates to a positioning carrier for positive and negative processing of a PCB board.

Background technique

In today's electronics industry, PCB circuit boards are widely used. When we process PCB boards, we generally place the PCB board on a carrier, and then assemble parts, dispense glue, and solder on both sides of the PCB. wait for work.

Usually it involves the process of turning the carrier over. The carrier needs to add an additional cover to press the PCB board to prevent the PCB board from falling when the carrier is turned over. However, such a design will lead to a complex carrier design and a higher quality. Heavy, inconvenient maintenance and processing.

SUMMARY OF THE INVENTION

The present invention provides a PCB board front and back processing positioning carrier to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a PCB board positive and negative processing positioning carrier, including a board body, the board body is provided with four positioning areas, and the positioning areas are provided with up and down through the board body. The glue dispensing groove on the end face, the plate body is also provided with a carrier bushing, and the outer side of the carrier bushing is provided with a bushing pressing plate for fixing it on the plate body;

The two length sides of the plate body are provided with anti-static guide bars, the side of the positioning area close to the anti-static guide bars is provided with two pull hooks, and the pull hooks are provided with pins matched with the product pin holes, The draw hook is interlocked with the external force unlocking mechanism, so that when the external force unlocking mechanism slides along the width direction of the plate body, the pin on the draw hook is engaged/disengaged from the product pin hole;

The side of the positioning area away from the hook is provided with an elastic pressure block which is matched with the product, the elastic pressure block is hinged with the plate body, and is provided with a spring and the plate along the turning direction of the elastic pressure block. The guide rod is elastically connected to the body, and the side of the elastic pressing block away from the guide rod has an inclined surface.

Preferably, the hook is fixedly connected to the anti-static guide bar through a guide shaft, and a spring is further provided between the anti-static guide bar and the plate body, and the guide shaft is connected to the plate through the spring Body elastic connection.

Preferably, the sliding direction of the guide shaft is parallel to the upper and lower end surfaces of the plate body, and the plate body is also fixedly provided with a guide sleeve matched with the guide shaft.

Preferably, two width sides of the plate body are fixedly provided with stoppers, and the stopper is located at the middle position of the plate body, and a buffer rubber is fixed on one of the width sides of the plate body.

Preferably, a silicone pad is provided on the inner side of the contact end surface of the elastic pressing block and the plate body, and the silicone pad is fixedly connected to the elastic pressing block.

Preferably, the number of the carrier bushings is four, and they are located at four corners of the plate body and outside the positioning area.

Compared with the prior art, the beneficial effects of the present invention are:

1: Provide a fully automatic fixture to realize the full automation of PCB board processing;

2: High positioning accuracy, the accuracy of positioning the carrier through the bushing can reach ±0.03;

3: The stopper can avoid the wear of the carrier body, and the gap at the stopper realizes that the carrier can be separated separately after being stacked on the assembly line;

4: The buffer rubber avoids the impact deformation and damage of the vehicle;

5: Realize automatic automatic unlocking and locking, without manual intervention;

6: The structure of the carrier is simple, the parts are few, the weight is light, the compounding of the synchronous belt is small, and it is easy to process and maintain;

7: The carrier has no cover, and can be turned over to process the PCB board.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the top view schematic diagram of the present invention;

Fig. 3 is the bottom view schematic diagram of the present invention;

Fig. 4 is the sectional view of the B-B direction in the present invention;

FIG. 5 is a cross-sectional view along the C-C direction in the present invention.

In the picture: 1. Plate body; 101. Dispensing groove; 11. Bushing platen; 12. Carrier bushing; 13. Buffer rubber; 2. Anti-static guide bar; 3. Pull hook; 4. Elastic pressing block; 41 , Silicone pad; 5, block; 6, pin; 7, guide rod; 8, spring; 9, guide shaft; 91, guide sleeve.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-5, the present invention provides the following technical solutions: a PCB board positive and negative processing positioning carrier, including a board body 1, the board body 1 is provided with four positioning areas, and the positioning areas are provided with through the upper and lower end surfaces of the board body 1 The dispensing tank 101 of the plate body 1 is also provided with a carrier bushing 12, and the outer side of the carrier bushing 12 is provided with a bushing pressing plate 11 to fix it on the board body 1;

The two length sides of the board body 1 are provided with anti-static guide bars 2, and the side of the positioning area close to the anti-static guide bar 2 is provided with two pull hooks 3. The pull hook 3 is provided with a pin 6 that matches the pin hole of the product. Cooperate with the external force unlocking mechanism, so that when the external force unlocking mechanism slides along the width direction of the plate body 1, the pin 6 on the hook 3 is engaged/disengaged from the pin hole of the product;

The side of the positioning area away from the hook 3 is provided with an elastic pressure block 4 that cooperates with the product. The elastic pressure block 4 is hinged with the plate body 1, and along the turning direction of the elastic pressure block 4 is provided with a guide elastically connected to the plate body 1 through a spring 8. Rod 7, the side of the elastic pressing block 4 away from the guide rod 7 has a slope.

In this embodiment, the guide shaft 9 is pushed sideways by the lateral external force unlocking mechanism, and the guide shaft 9 overcomes the pressure of the spring 8, and is guided by the guide sleeve 91 to drive the pull hook 3 to move inward, thereby unlocking the pull hook 3, the pin 6 and the pin hole of the product Disengaged, and then when the lateral external force unlocking mechanism is restored, the pin 6 presses the product;

The bottom external force unlocking mechanism is pushed up, the elastic pressure block 4 is turned over, and the guide rod 7 is squeezed. At this point the product can be put in or released;

After unlocking, put the PCB board into the positioning area of the board body 1, position the carrier through the positioning pins 6 on the board body 1, the unlocking mechanism retracts, the hook 3 and the elastic pressure block 4 press the PCB board by the force of the spring 8. live.

The carrier can flow in the synchronous belt assembly line. The buffer rubber 13 is used to protect the collision of multiple jigs on the assembly line. The stopper 5 is used to block the cylinder to reduce the wear of the jig when it blocks the jig. It can be replaced as a wearing part. 12 plays the role of jig positioning. When the jig arrives at the workstation where the PCB board needs to be processed, the jacking mechanism is positioned through the bushing 12 to fix the carrier. The bushing pressure plate 11 can prevent the carrier from being positioned multiple times. The bushing 12 Falling off, the anti-static guide bar 2 is to avoid static electricity from the synchronous belt when the carrier flows on the assembly line;

Through the design of this carrier, the PCB board can be turned over normally with the carrier without the cover, and the positioning is accurate. Four PCB boards can be processed at one time, with high efficiency, the carrier is very light, easy to process and maintain, and the load The tool can be circulated with the synchronous belt assembly line, and the PCB board can be processed by the division station.

Specifically, the pull hook 3 cooperates with the external force unlocking mechanism through the guide shaft 9, and a spring 8 is also provided between the guide shaft 9 and the plate body 1. The guide shaft 9 is elastically connected to the plate body 1 through the spring 8. The guide shaft 9 and the pull hook 3 Fixed connection, when the external force unlocking mechanism pushes the guide shaft 9 sideways, the guide shaft 9 overcomes the pressure of the spring 8 and guides the pull hook 3 to move inward through the guide sleeve 91, thereby unlocking the pull hook 3.

Specifically, the sliding direction of the guide shaft 9 is parallel to the upper and lower end surfaces of the plate body 1 , and the plate body 1 is also fixedly provided with a guide sleeve 91 matched with the guide shaft 9 , and the sliding direction of the guide shaft 9 is calibrated by the guide sleeve 91 .

Specifically, the two width sides of the plate body 1 are fixedly provided with stoppers 5, and the stopper 5 is located at the middle position of the plate body 1, and a buffer rubber 13 is fixed on one of the width sides of the plate body 1. The buffer rubber 13 is for the purpose of Multiple fixture collision protection on the assembly line.

Specifically, a silicone pad 41 is provided on the inner side of the contact end surface between the elastic pressing block 4 and the plate body 1 . The silicone pad 41 is fixedly connected with the elastic pressing block 4 , and the silicone pad 41 can contact the product more flexibly to avoid injury.

Specifically, the number of the carrier bushings 12 is four, and they are located at the four corners of the board body 1 and outside the positioning area. The bushings 12 play the role of fixture positioning. When the fixture reaches the station where the PCB board needs to be processed , the jacking mechanism is positioned through the bushing 12 to fix the carrier.

The working principle and use process of the present invention: the guide shaft 9 is pushed sideways by the side external force unlocking mechanism, the guide shaft 9 overcomes the pressure of the spring 8, and is guided by the guide sleeve 91 to drive the pull hook 3 to move inward, thereby unlocking the pull hook 3, the pin 6 and the The pin hole of the product is disengaged, and then the side external force unlocking mechanism returns, the pin 6 presses the product; the bottom external force unlocking mechanism is pushed up, the elastic pressure block 4 is turned over, and the guide rod 7 is squeezed, and the guide rod 7 overcomes the pressure of the spring 8 , the guide rod 7 guides and opens, thereby unlocking the elastic pressing block 4, and the elastic pressing block 4 can put the product in or release at this time; after unlocking, put the PCB board into the positioning area of the board body 1, The positioning pin 6 above positions the carrier, the unlocking mechanism retracts, the hook 3 and the elastic pressure block 4 press the PCB board by the force of the spring 8; the carrier can flow on the synchronous belt assembly line, and the buffer rubber 13 is used for the assembly line. A jig collision protection, the block 5 is used to block the cylinder to block the jig to reduce the wear of the jig, and can be replaced as a wearing part. The bushing 12 plays the role of jig positioning. When the jig reaches the place where the PCB board needs to be processed During the station, the jacking mechanism is positioned by the bushing 12 to fix the carrier. The bushing pressing plate 11 can prevent the bushing 12 from falling off when the carrier is positioned multiple times. The anti-static guide bar 2 is used to prevent the carrier from flowing on the assembly line. Static electricity from the timing belt.

Finally, it should be noted that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the The technical solutions described in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (6)

1. The PCB board front and back processing positioning carrier is characterized in that: it comprises a board body (1), the board body (1) is provided with four positioning areas, and the positioning area is provided with a through-board body (1). 1) The glue dispensing grooves (101) on the upper and lower end surfaces, the plate body (1) is also provided with a carrier bushing (12), and the outer side of the carrier bushing (12) is provided with a the bushing pressing plate (11) on the plate body (1); Anti-static guide strips (2) are arranged on two length sides of the plate body (1), and two draw hooks (3) are arranged on the side of the positioning area close to the anti-static guide strip (2). The pull hook (3) is provided with a pin (6) that cooperates with the pin hole of the product, and the pull hook (3) cooperates with the external force unlocking mechanism, so that when the external force unlocking mechanism slides along the width direction of the plate body (1), all the The pin (6) on the hook (3) is fastened/disengaged from the pin hole of the product; The side of the positioning area away from the draw hook (3) is provided with an elastic pressure block (4) that cooperates with the product, the elastic pressure block (4) is hinged with the plate body (1), and along the elastic A guide rod (7) elastically connected to the plate body (1) through a spring (8) is provided in the turning direction of the pressure block (4), and the elastic pressure block (4) is away from the side of the guide rod (7). Has a bevel. 2. The PCB board positive and negative processing positioning carrier according to claim 1, characterized in that: the draw hook (3) cooperates with an external force unlocking mechanism through a guide shaft (9), and the guide shaft (9) is connected to the A spring (8) is also arranged between the plate bodies (1), and the guide shaft (9) is elastically connected to the plate body (1) through the spring (8). 3. The PCB board positive and negative processing positioning carrier according to claim 2, characterized in that: the sliding direction of the guide shaft (9) is parallel to the upper and lower end surfaces of the board body (1), and the board body (1) 1) is also fixedly provided with a guide sleeve (91) matched with the guide shaft (9). 4. The PCB board positive and negative processing positioning carrier according to claim 1, characterized in that: the two width sides of the board body (1) are fixedly provided with stoppers (5), and the stoppers (5) ) is located at the middle position of the plate body (1), and a buffer rubber (13) is fixed on one of the width sides of the plate body (1). 5. The PCB board positive and negative processing positioning carrier according to claim 1, characterized in that: a silicone pad (41) is provided on the inner side of the contact end surface of the elastic pressing block (4) and the board body (1), The silicone pad (41) is fixedly connected with the elastic pressing block (4). 6. The PCB board positive and negative processing positioning carrier according to claim 1, wherein the number of the carrier bushings (12) is four, and they are located at the four corners of the board body (1), and outside the positioning area.

Images