CN219437253U

CN219437253U - Pin withdrawal jig for printed circuit board

Info

Publication number: CN219437253U
Application number: CN202320138393.7U
Authority: CN
Inventors: 吴飞; 沈国荣; 宋晓飞
Original assignee: Suzhou Keli Technology Development Co ltd
Current assignee: Suzhou Keli Technology Development Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-07-28
Anticipated expiration: 2033-02-07

Abstract

The utility model discloses a PIN withdrawal jig for a printed circuit board, which comprises: the top end of the frame is provided with a clamping plate, and a circuit board is arranged on the clamping plate; the clamping mechanism is used for clamping the circuit board and comprises a first threaded rod and the like, a first sliding groove and a second sliding groove are respectively formed in two sides of the frame, the first threaded rod is in threaded connection with one side of the frame, a first sliding block is in sliding connection with the first sliding groove, and the first sliding block is connected with the first clamping block through a first connecting shaft; the PIN withdrawal mechanism comprises a flat plate and the like, wherein a supporting block is connected with an air cylinder through a piston rod, the supporting block is positioned below the flat plate, and a plurality of ejector PINs are uniformly distributed on the flat plate. According to the utility model, the flat plate and the thimble are lifted by the piston rod, and the thimble ejects the PIN needle on the circuit board without manual operation, so that personnel injury is avoided, the working efficiency and the safety are improved, the labor cost is reduced, and the printed circuit board is not damaged.

Description

Pin withdrawal jig for printed circuit board

Technical Field

The utility model relates to a jig, in particular to a PIN withdrawal jig for a printed circuit board.

Background

As shown in fig. 8, in the transferring process, the circuit board needs to be clamped and fixed by using a printed circuit board jig, the printed circuit board jig comprises an upper clamping plate 101 and a lower clamping plate 102, a printed circuit board 103 is clamped between the upper clamping plate 101 and the lower clamping plate 102, a PIN 104 sequentially passes through a through hole of the upper clamping plate 101, a through hole of the printed circuit board 103 and a through hole of the lower clamping plate 102, the upper clamping plate 101, the printed circuit board 103 and the lower clamping plate 102 can be positioned by using a plurality of PINs 104, and then the printed circuit board jig is placed on a pressing plate for transmission. When the circuit board is transferred to a preset place, the PIN 104 and the upper clamping plate 101 are sequentially removed, the printed circuit board 103 is taken out again, and the above processes are all completed manually, so that the working efficiency is greatly reduced, the labor cost is improved, especially when the PIN 104 is taken out, the PIN 104 needs to be punched out by using a punching needle, a hammer and the like, and the PIN is easy to break or cause personnel injury due to high rigidity, so that the safety is poor, and when the situation occurs, the printed circuit board 103 is often damaged, and adverse effects are further caused to the production process.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects in the prior art, the utility model provides a PIN withdrawal jig for a printed circuit board.

The utility model solves the technical problems by the following technical proposal: a move back PIN needle tool for printed wiring board, its characterized in that includes: the top end of the frame is provided with a clamping plate, and a circuit board is arranged on the clamping plate; the clamping mechanism is used for clamping the circuit board and comprises a first threaded rod, a first sliding block, a first connecting shaft, a first clamping block, a second threaded rod, a second sliding block, a second connecting shaft and a second clamping block, wherein the two sides of the frame are respectively provided with a first sliding groove and a second sliding groove, the first threaded rod is in threaded connection with one side of the frame, the first sliding block is in sliding connection with the first sliding groove, the first sliding block is connected with the first clamping block through the first connecting shaft, the first clamping block is positioned on one side of the first threaded rod, the second threaded rod is in threaded connection with the other side of the frame, the second sliding block is in sliding connection with the second sliding groove, the second sliding block is connected with the second clamping block through the second connecting shaft, and the second clamping block is positioned on one side of the second threaded rod; the PIN withdrawal mechanism comprises a flat plate, an air cylinder, a piston rod and a supporting block, wherein the supporting block is connected with the air cylinder through the piston rod, the supporting block is positioned below the flat plate, and a plurality of ejector PINs are uniformly distributed on the flat plate.

Preferably, the clamping plate is provided with a plurality of first through holes for the thimble to pass through, and the circuit board is provided with a plurality of second through holes for the thimble to pass through.

Preferably, two sides of the clamping plate are respectively provided with a first long strip-shaped hole for the first clamping block to pass through and a second long strip-shaped hole for the second clamping block to pass through.

Preferably, the frame is fixed to a base plate.

Preferably, the two sides of the cylinder are respectively provided with a first guide pillar and a second guide pillar, and the support block is provided with a first circular hole corresponding to the first guide pillar and a second circular hole corresponding to the second guide pillar.

Preferably, a shaft hole is formed in the middle of the first clamping block and in the middle of the second clamping block, and a clamping groove is formed in the top end of the first clamping block and the top end of the second clamping block.

The utility model has the positive progress effects that: firstly, the cylinder passes through the piston rod with dull and stereotyped, thimble rise, and the PIN needle on the thimble will the circuit board pushes up out, need not manual operation, can not cause personnel to hurt to improve work efficiency and security, reduce the cost of labor, can not damage printed wiring board.

Secondly, fixture is used for the centre gripping circuit board, specifically through first threaded rod drive first grip block, second threaded rod drive second grip block with the circuit board centre gripping, when making the thimble rise, the circuit board can not take place to remove to improve stability, prevent to damage the circuit board.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of the frame, PIN removing mechanism, clamping mechanism and other elements in the present utility model.

Fig. 3 is a schematic structural view of the frame and PIN withdrawal mechanism of the present utility model.

Fig. 4 is a schematic structural view of a PIN withdrawal mechanism according to the present utility model.

Fig. 5 is a schematic structural view of the splint according to the present utility model.

Fig. 6 is a schematic structural view of a clamping mechanism in the present utility model.

Fig. 7 is a schematic structural diagram of a first clamping block and a second clamping block in the present utility model.

Fig. 8 is a schematic structural diagram of a conventional printed circuit board fixture.

In the figure: the clamping plate comprises a frame 1, a clamping plate 2, a first threaded rod 3, a first sliding block 4, a first connecting shaft 5, a first clamping block 6, a second threaded rod 7, a second sliding block 8, a second connecting shaft 9, a second clamping block 10, a first sliding groove 11, a second sliding groove 12, a flat plate 13, a cylinder 14, a piston rod 15, a supporting block 16, a thimble 17, a circuit board 18, a first through hole 19, a first long-strip-shaped hole 20, a second long-strip-shaped hole 21, a second through hole 22, a bottom plate 23, a first guide post 24, a second guide post 25, a first circular hole 26, a second circular hole 27, a shaft hole 28 and a clamping groove 29.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 6, the PIN withdrawal jig for a printed wiring board of the present utility model includes: the frame 1, there is a clamp plate 2 on the top of the frame 1, there is a circuit board 18 above the clamp plate 2; the clamping mechanism is used for clamping a circuit board 18 and comprises a first threaded rod 3, a first sliding block 4, a first connecting shaft 5, a first clamping block 6, a second threaded rod 7, a second sliding block 8, a second connecting shaft 9 and a second clamping block 10, wherein a first sliding groove 11 and a second sliding groove 12 are respectively arranged on two sides of the frame 1, the first threaded rod 3 is in threaded connection with one side of the frame 1, the first sliding block 4 is in sliding connection with the first sliding groove 11, the first sliding block 4 is connected with the first clamping block 6 through the first connecting shaft 5, the first clamping block 6 is positioned on one side of the first threaded rod 3, the second threaded rod 7 is in threaded connection with the other side of the frame 1, the second sliding block 8 is in sliding connection with the second sliding groove 12, the second sliding block 8 is connected with the second clamping block 10 through the second connecting shaft 9, and the second clamping block 10 is positioned on one side of the second threaded rod 7; the PIN withdrawal mechanism comprises a flat plate 13, an air cylinder 14, a piston rod 15 and a supporting block 16, wherein the supporting block 16 is connected with the air cylinder 14 through the piston rod 15, the supporting block 16 is positioned below the flat plate 13, and a plurality of ejector PINs 17 are uniformly distributed on the flat plate 13.

As shown in fig. 1 and 5, the clamping plate 2 is provided with a plurality of first through holes 19 through which the ejector PINs 17 pass, the circuit board 18 is provided with a plurality of second through holes 22 through which the ejector PINs 17 pass, and the first through holes 19 and the second through holes 22 can also enable PIN needles to pass, so that the circuit board 18 and the clamping plate 2 can be conveniently positioned through PINs, and when the clamping plate needs to be disassembled, the PIN needles are taken out by lifting the ejector PINs 17.

As shown in fig. 5, two sides of the clamping plate 2 are respectively provided with a first elongated hole 20 for the first clamping block 6 to pass through and a second elongated hole 21 for the second clamping block 10 to pass through, and the first elongated hole 20 and the second elongated hole 21 can respectively provide a moving space for the first clamping block 6 and the second clamping block 10.

The frame 1 is fixed on a bottom plate 23, so that the contact area of the frame 1 is increased, and the stability is improved.

As shown in fig. 4, the two sides of the cylinder 14 are respectively provided with a first guide post 24 and a second guide post 25, and the support block 16 is provided with a first circular hole 26 corresponding to the first guide post 24 and a second circular hole 27 corresponding to the second guide post 25, so that the movement of the support block 16 can be vertically guided to prevent the deviation.

As shown in fig. 7, a shaft hole 28 is formed in the middle of the first clamping block 6 and in the middle of the second clamping block 10, a clamping groove 29 is formed in the top end of the first clamping block 6 and the top end of the second clamping block 10, the shaft hole 28 is convenient for the first connecting shaft 5 and the second connecting shaft 9 to pass through, and the clamping groove 29 can clamp the circuit board 18.

The working principle of the utility model is as follows: the components of the utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods. After the circuit board is transferred to a preset place, the air cylinder 14 lifts the flat plate 13 and the ejector PINs 17 through the piston rod 15, the ejector PINs 17 eject PIN PINs on the circuit board 18, manual operation is not needed, personnel injury is avoided, and therefore working efficiency and safety are improved, labor cost is reduced, and the printed circuit board is not damaged. The clamping mechanism is used for clamping the circuit board 18, specifically, the first threaded rod 3 drives the first clamping block 6, the second threaded rod 7 drives the second clamping block 10 to clamp the circuit board 18, and when the ejector pins 17 are lifted, the circuit board 18 cannot move, so that the stability is improved, and the circuit board is prevented from being damaged.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A move back PIN needle tool for printed wiring board, its characterized in that includes: the device comprises a frame (1), wherein a clamping plate (2) is arranged at the top end of the frame (1), and a circuit board (18) is arranged on the clamping plate (2); the clamping mechanism is used for clamping a circuit board (18) and comprises a first threaded rod (3), a first sliding block (4), a first connecting shaft (5), a first clamping block (6), a second threaded rod (7), a second sliding block (8), a second connecting shaft (9) and a second clamping block (10), wherein a first sliding groove (11) and a second sliding groove (12) are respectively formed in two sides of the frame (1), the first threaded rod (3) is in threaded connection with one side of the frame (1), the first sliding block (4) is in sliding connection with the first sliding groove (11), the first sliding block (4) is connected with the first clamping block (6) through the first connecting shaft (5), the first clamping block (6) is located on one side of the first threaded rod (3), the second threaded rod (7) is in threaded connection with the other side of the frame (1), the second sliding block (8) is in sliding connection with the second sliding groove (12), the second sliding block (8) is connected with the second clamping block (10) through the second connecting shaft (9), and the second clamping block (10) is located on one side of the second threaded rod (7). The PIN withdrawal mechanism comprises a flat plate (13), an air cylinder (14), a piston rod (15) and a supporting block (16), wherein the supporting block (16) is connected with the air cylinder (14) through the piston rod (15), the supporting block (16) is positioned below the flat plate (13), and a plurality of ejector PINs (17) are uniformly distributed on the flat plate (13).

2. PIN withdrawal jig for printed circuit boards according to claim 1, characterized in that the clamping plate (2) is provided with a plurality of first through holes (19) for the PINs (17) to pass through, and the circuit board (18) is provided with a plurality of second through holes (22) for the PINs (17) to pass through.

3. PIN withdrawal jig for printed wiring boards according to claim 1, characterized in that the two sides of the clamping plate (2) are respectively provided with a first elongated hole (20) for the first clamping block (6) to pass through and a second elongated hole (21) for the second clamping block (10) to pass through.

4. PIN withdrawal jig for printed wiring boards according to claim 1, characterized in that the frame (1) is fixed to a base plate (23).

5. PIN withdrawal jig for printed wiring boards according to claim 1, characterized in that the two sides of the cylinder (14) are respectively provided with a first guide post (24) and a second guide post (25), and the support block (16) is provided with a first circular hole (26) corresponding to the first guide post (24) and a second circular hole (27) corresponding to the second guide post (25).

6. PIN withdrawal jig for printed wiring boards according to claim 1, characterized in that the middle of the first clamping block (6) and the middle of the second clamping block (10) are provided with a shaft hole (28), and the top end of the first clamping block (6) and the top end of the second clamping block (10) are provided with a clamping groove (29).