CN219322670U

CN219322670U - PCB board lock screw tool

Info

Publication number: CN219322670U
Application number: CN202223177744.XU
Authority: CN
Inventors: 孙丰; 董子龙
Original assignee: Kunshan Saitong Pingcheng Electronic Technology Co ltd
Current assignee: Kunshan Saitong Pingcheng Electronic Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-07-07
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a screw locking jig for a PCB, which comprises the following components: the device comprises an upper carrier plate and a lower carrier plate, wherein a bearing seat is arranged on the upper carrier plate, a supporting nut and a supporting seat at the position of a PCB (printed Circuit Board) are arranged on the bearing seat, a limiting block for controlling the position of the nut is slidably matched with the supporting seat, a jacking piece matched with the limiting block is arranged on the bearing seat, the jacking piece is connected with a driving piece for driving the jacking piece to displace, an upper cover is arranged on the upper carrier plate, and a guide sleeve for placing a screw is arranged on the upper cover; through the mode, the screw placement device can ensure the accuracy and the perpendicularity of the position when the screw is placed, reduce the damage of the placed screw to the PCB, and simultaneously reduce the direct contact between the manual work and the PCB, so that the reject ratio of the PCB caused by the manual contact is reduced.

Description

PCB board lock screw tool

Technical Field

The utility model relates to the field of PCB boards, in particular to a screw locking jig for a PCB board.

Background

PCB (Printed Circuit Board) the Chinese name printed circuit board, also called printed circuit board, is an important electronic component, is a support for electronic components, and is a carrier for electrically interconnecting electronic components.

In the production process of the PCB, various screws and nuts matched with the screws are required to be installed on the PCB, the existing operation mode is that the nuts are clamped and fixed through clamps for clamping the nuts, then the screws penetrate through the PCB manually and are connected with the nuts, but the mode cannot guarantee the perpendicularity of the locking screws during installation, so that the reject ratio is high, meanwhile, the screws are placed to be easy to deviate, components nearby the damaged screws are damaged, the PCB can be touched manually in the installation process, and the short-circuit reject ratio of the PCB is improved.

Disclosure of Invention

The utility model mainly solves the technical problem of providing the PCB screw locking jig, which can ensure the accuracy and the verticality of the position when screws are placed, reduce the damage of the placed screws to the PCB, and simultaneously reduce the direct contact between the manual work and the PCB, thereby reducing the reject ratio of the PCB caused by the manual contact.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a PCB board lock screw tool, include: the support seat is provided with a support nut and a support seat at the position of the PCB, the support seat is slidably matched with a limiting block at the position of the control nut, the support seat is provided with a jacking piece matched with the limiting block, the jacking piece is connected with a driving piece for driving the jacking piece to displace, the upper support plate is provided with an upper cover, and the upper cover is provided with a guide sleeve for placing the screw.

Preferably, the supporting seat is provided with an accommodating groove matched with the nut, the accommodating groove is provided with a jacking hole, the limiting block is provided with a sliding block, the sliding block is in sliding fit with the jacking hole, and the jacking piece is matched with the sliding block.

Preferably, the jacking member comprises a jacking plate, and the jacking plate pushes the position of the sliding block through the jacking hole.

Preferably, the lifting member comprises a contact plate, which is connected to the driving member.

Preferably, an elastic member is disposed between the bearing seat and the contact plate.

Preferably, the sliding block comprises a guiding part and an abutting part, the jacking plate abuts against the abutting part under the action of the driving piece, and the guiding part is used for guiding the position of the jacking plate.

Preferably, the driving member is an eccentric shaft, and the eccentric shaft is in running fit with the downloading plate.

Preferably, the end of the eccentric shaft is connected with a handle to drive the eccentric shaft to rotate.

Preferably, the driving member is a cylinder, a hydraulic cylinder or an oil cylinder.

The beneficial effects of the utility model are as follows: thereby the position of nut is supported through the holding tank on the supporting seat, thereby the position of PCB board is supported to the rethread supporting seat, force jacking spare displacement through the driving piece, thereby control stopper displacement, and then control nut upwards moves, thereby make nut and PCB board laminating, and then stabilize the position between nut and the PCB board, the rethread lid closing cap, make the uide bushing coaxial or alignment with the hole on PCB board and the nut, thereby place the screw directly on PCB board and the nut through the uide bushing, the deviation of screw position placement has been avoided, the straightness that hangs down when also having guaranteed the screw simultaneously and when joining in marriage with PCB board and nut.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a screw locking jig for a PCB board in a cover-closed state;

fig. 2 is a schematic diagram of the overall structure of the upper cover of the screw locking jig for a PCB board in the open state;

FIG. 3 is a cross-sectional view of a screw locking jig for a PCB according to the present utility model;

fig. 4 is a schematic structural view of the screw locking jig for a PCB board according to the present utility model when the upper cover is removed;

FIG. 5 is an enlarged schematic view of portion A of FIG. 4;

fig. 6 is a schematic diagram of the positional relationship between the bearing seat and the limiting block of the screw locking jig for the PCB board according to the present utility model;

FIG. 7 is an enlarged schematic view of portion B of FIG. 6;

fig. 8 is a schematic diagram of the positional relationship between the lifting member and the sliding block of the screw locking jig for a PCB board according to the present utility model.

The components in the drawings are marked as follows:

1. loading a plate; 2. downloading a plate; 3. a bearing seat; 32. a limiting block; 4. a support base; 41. a receiving groove; 42. a jacking hole; 43. a limiting block; 431. a sliding block; 4311. a guide section; 4312. an abutting portion; 5. a jacking member; 51. a contact plate; 52. a jacking plate; 6. an elastic member; 7. an eccentric shaft; 8. a handle; 9. an upper cover; 10. a guide sleeve; 11. rotating the bracket; 12. compressing foam; 14. a nut;

15. a PCB board; 16. a positioning rod; 17. a spring groove; 18. a handle.

Detailed Description

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.

Examples:

referring to fig. 1 and 2, a screw locking jig for a PCB 15 comprises an upper carrier 1 and a lower carrier 2, wherein the upper carrier 1 and the lower carrier 2 are arranged in a separable and opposite manner, and a positioning pin is arranged between the upper carrier 1 and the lower carrier 2, so that the accuracy of the position between the upper carrier 1 and the lower carrier 2 is ensured, and the detachment between the upper carrier 1 and the lower carrier 2 is facilitated.

Referring to fig. 3, an upper accommodating cavity is formed in the upper carrier plate 1, a bearing seat 3 is placed in the upper accommodating cavity, a supporting seat 4 is fixedly connected to or integrally formed in the bearing seat 3, the supporting seat 4 is fixedly connected to or integrally formed in the bearing seat 3, and the supporting seat 4 penetrates through the upper carrier plate 1.

Referring to fig. 2 and 4-7, the supporting seat 4 is provided with a position accommodating groove 41 for accommodating the nut 14, the shape of the accommodating groove 41 is matched with the shape of the corresponding nut 14, so that the corresponding nut 14 is just placed in the accommodating groove 41, the position of the accommodating groove 41 is determined according to the position where the nut 14 is required to be installed, meanwhile, the supporting seat 4 also plays a role in supporting the position of the PCB 15, and when the position of the supporting seat 4 is not required to be provided with the nut 14, the supporting seat 4 only plays a role in directly supporting the position of the PCB 15 without arranging the accommodating groove 41;

in order to further limit the position of the PCB 15 on the support base 4, a stop block is disposed around the PCB 15, and the stop block is disposed on the support base 4.

Referring to fig. 3-8, a limiting block 43 is arranged at one side of the accommodating groove 41, the limiting block 43 is used for blocking the nut 14 in the accommodating groove 41 and preventing the nut 14 from falling off from the accommodating groove 41, a jacking hole 42 penetrating through the supporting seat 4 is formed in the bottom of the accommodating groove 41, the limiting block 43 is integrally formed or fixedly connected with a sliding block 431 matched with the jacking hole 42, the sliding block 431 is in sliding fit with the jacking hole 42, a certain gap is reserved between the lower side surface of the upper plate 1 and the upper end surface of the limiting block 43 through the sliding block 431, so that the limiting block 43 has a certain movable space, meanwhile, the limiting range of the limiting block 43 can be limited, and a limiting groove matched with the lower part of the limiting block 43 is formed in the upper side surface of the supporting seat 3, so that the limiting block 43 is more stable in moving;

the lower side of the bearing seat 3 is provided with a jacking piece 5, the jacking piece 5 is matched with the sliding block 431, and when the jacking piece 5 is upwards displaced, the sliding block 431 can be forced to upwards displace, and then the nut 14 in the accommodating groove 41 is forced to upwards displace.

Referring to fig. 5 and 8, the sliding block 431 is provided in an L shape, the sliding block 431 includes a guide portion 4311 and an abutment portion 4312, and the jacking member 5 includes a contact plate 51 and a jacking plate 52, when the contact plate 51 is moved upward by an external force, thereby driving the jacking plate 52 to move upward, so that the jacking plate 52 contacts with the lower end surface of the abutment portion 4312 of the sliding block 431, thereby forcing the entire stopper 43 to move upward, and further forcing the upper end surface of the abutment portion 4312 to jack up the nut 14 in the accommodating groove 41 upward;

the outer end surface of the guiding portion 4311 has a certain radian, when the position of the jacking plate 52 is not aligned with the abutting portion 4312, the jacking plate 52 can be in contact with the abutting portion 4312 along the guiding portion 4311, and the stability of the matching of the jacking piece 5 and the sliding block 431 is improved.

Referring to fig. 3, an elastic member 6 is disposed between the lower end surface of the carrier 3 and the upper end surface of the contact plate 51, and the elastic member 6 is a spring, so as to apply a downward moving force to the contact plate 51, and in order to further stabilize the position of the elastic member 6, a spring slot 17 matched with the elastic member 6 is formed at the lower end of the carrier 3.

Referring to fig. 3, 5-8, a driving member for driving the jacking member 5 to move is arranged on the downloading plate 2, the driving member is an eccentric shaft 7, the eccentric shaft 7 rotates relative to the downloading plate 2, and the contact plate 51 is always contacted with the eccentric shaft 7 under the action of the elastic member 6, so that when the eccentric shaft 7 rotates and under the coaction of the elastic member 6, the contact plate 51 is forced to reciprocate, namely, the contact plate 51 is forced to move upwards or downwards, and the limiting block 43 is forced to move upwards or downwards, so that the nut 14 in the accommodating groove 41 moves upwards away from the accommodating groove 41 or moves downwards to fall into the accommodating groove 41 under the action of the abutting part 4312;

in order to further limit the position of the lifting element 5, so that it is more stable in displacement, the bottom of the carrier 3 extends towards both sides of the contact plate 51 with limiting blocks 32, thereby further limiting the degree of freedom of the contact plate 51.

Referring to fig. 2, 3 and 6, in order to conveniently control the rotational position of the eccentric shaft 7, a handle 8 for rotating the eccentric shaft 7 is bolted to one end of the eccentric shaft 7, so that the position of the eccentric shaft 7 is adjusted by rotating the handle 8, thereby controlling the position of the nut 14.

Of course, the driving member may be an air cylinder, a hydraulic cylinder, an oil cylinder, or the like.

Referring to fig. 1 and 2, an upper cover 9 is arranged on an upper carrier plate 1, a guide sleeve 10 is fixedly connected to the upper cover 9, the size of a channel of the guide sleeve 10 is matched with the size of a corresponding screw, when the upper cover 9 is closed, the position of the guide sleeve 10 is a position where the screw needs to be placed, and at the moment, the channel of the guide sleeve 10, a hole on a PCB 15 and a threaded hole on a nut 14 are in a coaxial state, so that the screw can directly fall into the hole on the PCB 15 and the threaded hole of the nut 14 through the guide sleeve 10, the perpendicularity of the screw on the nut 14 is ensured, and meanwhile, the deviation of the screw position is avoided;

in order to further ensure the accuracy of the position between the guide sleeve 10 and the upper carrier plate 1, a positioning rod 16 is fixedly connected to the upper carrier plate 1, and a rod hole matched with the positioning rod 16 is formed in the upper cover 9;

in order to facilitate the opening and closing of the upper cover 9, two ends of the upper carrier plate 1 are provided with rotating brackets 11, the rotating brackets 11 are provided with bearings, one end of the upper cover 9 is fixedly connected with a rotating shaft, and the rotating shaft is connected with the bearings, so that the upper cover 9 can be turned over relative to the upper carrier plate 1, and a handle 18 is fixedly connected to the upper cover 9;

in order to buffer vibration between the upper cover 9 and the upper carrier plate 1 when the upper cover 9 is covered, a compressed foam 12 is adhered to one end of the upper cover 9 close to the upper carrier plate 1.

The operation process comprises the following steps: the worker places the nuts 14 into the corresponding accommodating grooves 41, places the PCB 15 on the supporting seat 4, at this time, the PCB 15 is positioned above the nuts 14 and the nuts 14 are positioned in the accommodating grooves 41, rotates the eccentric shafts 7 through the handles 8 to enable the nuts 14 to be attached to the lower side surfaces of the PCB 15, so that holes on the PCB 15 are aligned with or coaxial with threaded holes of the nuts 14, covers the upper cover 9 to enable the guide sleeve 10 to be coaxial with the holes on the PCB 15 and the threaded holes of the nuts 14, places screws into channels of the guide sleeve 10, and the screws penetrate through the holes of the PCB 15 and the threaded holes of the nuts 14 along the guide sleeve 10, so that the placement of the screws is completed;

the screw can be locked by a tool for locking the screw, such as a screwdriver or an electric screwdriver, etc., passing through the guide sleeve 10.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A PCB board lock screw tool, its characterized in that includes: go up carrier plate (1) and download board (2), be provided with on the carrier plate (1) and bear seat (3), be provided with supporting seat (4) at supporting nut (14) and PCB board (15) position on bearing seat (3), supporting seat (4) slip fit has stopper (43) at control nut (14) position, be provided with on bearing seat (3) with stopper (43) matched with jacking piece (5), jacking piece (5) are connected with the driving piece of drive jacking piece (5) displacement, be provided with upper cover (9) on the carrier plate (1), be provided with uide bushing (10) that are used for placing the screw position on upper cover (9).

2. The PCB board locking screw jig according to claim 1, wherein: the supporting seat (4) is provided with a containing groove (41) matched with the nut (14), a jacking hole (42) is formed in the containing groove (41), the limiting block (43) is provided with a sliding block (431), the sliding block (431) is in sliding fit with the jacking hole (42), and the jacking piece (5) is matched with the sliding block (431).

3. The PCB board locking screw jig according to claim 2, wherein: the jacking piece (5) comprises a jacking plate (52), and the jacking plate (52) pushes the position of the sliding block (431) through the jacking hole (42).

4. A PCB board locking screw jig according to any one of claims 1 or 3, wherein: the jacking piece (5) comprises a contact plate (51), and the contact plate (51) is connected with the driving piece.

5. The PCB board locking screw jig according to claim 4, wherein: an elastic piece (6) is arranged between the bearing seat (3) and the contact plate (51).

6. The PCB board locking screw jig according to claim 3, wherein: the sliding block (431) comprises a guide part (4311) and an abutting part (4312), the jacking plate (52) abuts against the abutting part (4312) under the action of the driving piece, and the guide part (4311) is used for guiding the position of the jacking plate (52).

7. The PCB board locking screw jig according to claim 1, wherein: the driving piece is an eccentric shaft (7), and the eccentric shaft (7) is in running fit with the downloading plate (2).

8. The PCB board locking screw jig of claim 7, wherein: the end part of the eccentric shaft (7) is connected with a handle (8) to drive the eccentric shaft (7) to rotate.

9. The PCB board locking screw jig according to claim 1, wherein: the driving piece is an air cylinder, a hydraulic cylinder or an oil cylinder.