CN214150805U

CN214150805U - PCB test fixture

Info

Publication number: CN214150805U
Application number: CN202023192985.2U
Authority: CN
Inventors: 刘伟; 宋登廷; 付佳
Original assignee: Dongguan Delong Technology Co ltd
Current assignee: Dongguan Delong Technology Co ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-09-07
Anticipated expiration: 2030-12-27

Abstract

The utility model discloses a PCB test fixture, including processing platform, supporting rod, locating lever, automatic telescopic link, magnet and actuating lever, the sliding tray has been seted up to the upper surface of processing platform, and the inside of sliding tray is provided with the supporting rod, the right-hand member of supporting rod is provided with the inoxidizing coating, and the surface laminating of inoxidizing coating is provided with the PCB body, the inside welded fastening of upper surface of processing platform has reset spring, the lower surface bolted fastening of bracing piece has automatic telescopic link, and the lower extreme bolted fastening of automatic telescopic link has the test piece to the holding tank has been seted up to the surface of automatic telescopic link, be provided with the actuating lever in the holding tank, and the surface of actuating lever is provided with drive gear, the inside of automatic telescopic link is inlayed and is connected with magnet. This PCB test fixture is provided with actuating lever, magnet, protective layer and drive belt, can make whole device when fixed PCB body, and the energy that consumes reduces to the test cost of PCB body has been reduced.

Description

PCB test fixture

Technical Field

The utility model relates to a PCB tests technical field, specifically is a PCB test fixture.

Background

In modern intelligent equipment, all use PCB, printed circuit board promptly, through fluting on the circuit board, install and handle components and parts to make intelligent equipment's volume reduce, and PCB needs will test handling the original gas after processing is accomplished, needs to use test fixture this moment.

Some existing PCB test fixtures have the following problems:

firstly, the use is not convenient enough, and when some existing PCB test clamps fix PCBs with different sizes, workers need to manually adjust a clamping device, so that the total fixing time of the PCBs is increased, the test efficiency of the PCBs is reduced, and the use of the whole device is not convenient enough;

and secondly, the consumed energy is more, and when some existing PCB test fixtures fix the PCB, the operation of the fixtures is driven by additional driving equipment in order to be automatically fixed, so that the energy consumed by the whole device is more during working, and the test cost of the PCB is increased.

We have therefore proposed a PCB test fixture to address the problems set forth above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB test fixture, when solving some PCB test fixtures that have now on the existing market that above-mentioned background art provided and fixing the PCB of equidimension not, need staff's manual regulation clamping device, thereby make the fixed total length of PCB increase, PCB's efficiency of software testing has then been reduced, and then make the use of whole device convenient inadequately, and some PCB test fixtures that have now are when fixing PCB, in order to can the automatic fixation, drive the operation of anchor clamps through extra drive arrangement, thereby make whole device at the energy that the during operation consumed more, and then make PCB's test cost increase's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a PCB test fixture comprises a processing table, clamping rods, a positioning rod, an automatic telescopic rod, a magnet and a driving rod, wherein a sliding groove is formed in the upper surface of the processing table, the clamping rods are arranged inside the sliding groove, a protective layer is arranged at the right end of each clamping rod, a PCB body is arranged on the outer surface of the protective layer in a fit mode, a reset spring is fixedly welded in the upper surface of the processing table, the positioning rod is fixedly welded at the front end of the reset spring, a supporting rod is fixedly welded on the upper surface of the processing table, an automatic telescopic rod is fixedly bolted on the lower surface of the supporting rod, a test block is fixedly bolted on the lower end of the automatic telescopic rod, an accommodating groove is formed in the outer surface of the automatic telescopic rod, the driving rod is arranged inside the accommodating groove, a transmission gear is arranged on the outer surface of the driving rod, and the magnet is connected inside the automatic telescopic rod in a mosaic mode, the rotating end of the transmission gear is attached with a transmission belt.

Preferably, the clamping rod forms a sliding structure with the processing table through the sliding groove, the clamping rod is inverted L-shaped in appearance, the clamping rod is connected with the transmission gear in a meshed mode, and meanwhile the clamping rod is bonded with the protective layer in a connected mode.

Preferably, the positioning rod and the processing table form an elastic structure through a return spring, the positioning rod and the processing table form a sliding structure, and the upper surface of the positioning rod is inclined.

Preferably, the automatic telescopic rod passes through the holding tank and constitutes sliding construction with the actuating lever, and the automatic telescopic rod passes through magnet and is connected with actuating lever magnetism to the actuating lever is provided with two sets ofly about the axis symmetry of automatic telescopic rod.

Preferably, the attraction between the magnet and the driving rod is greater than the friction between the driving rod and the transmission gear, and 2 groups of transmission gears form a transmission structure through a transmission belt.

Preferably, the driving rod is connected with the transmission gear in a meshing manner, and the transmission gear, the supporting rod and the processing table form a rotating structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the PCB testing clamp is provided with a clamping rod, a positioning rod, a reset spring and a transmission gear, and a PCB body is placed on the positioning rod, so that the PCB body can be tightly fixed by the positioning rod under the action of deformation of the reset spring, the primary positioning of the PCB body is realized, then the clamping rod can be fixed to the PCB body under the rotation of the rotating gear, the central axis of the PCB body is coincided with the central axis of a testing block, and then the whole device can be more quickly fixed to the PCB body, so that the operation of the whole device is more convenient;

two, this PCB test fixture is provided with the actuating lever, magnet, protective layer and drive belt, decline through automatic telescopic link, thereby under the rotation effect of actuating lever and drive belt, make the clamping bar press from both sides tight fixedly to the PCB body, thereby when making whole device centre gripping PCB body, the energy that consumes is lower, the cost of PCB body test has been reduced, the spacing of magnet and the protection of inoxidizing coating can reduce the damage that the clamping bar led to the fact to the left of the PCB body, then reduced the PCB body and appeared damaged possibility.

Drawings

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

FIG. 2 is a schematic top view of the clamping rod of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of a depression sectional structure of the driving rod of the present invention;

fig. 5 is a left sectional structural diagram of the driving rod of the present invention.

In the figure: 1. a processing table; 2. a sliding groove; 3. a clamping rod; 4. a protective layer; 5. a return spring; 6. positioning a rod; 7. a PCB body; 8. a support bar; 9. automatically telescoping the rod; 10. a test block; 11. accommodating grooves; 12. a magnet; 13. a drive rod; 14. a transmission gear; 15. a transmission belt.

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. 1-5, the present invention provides a technical solution: a PCB test fixture comprises a processing table 1, a sliding groove 2, a clamping rod 3, a protective layer 4, a reset spring 5, a positioning rod 6, a PCB body 7, a supporting rod 8, an automatic telescopic rod 9, a test block 10, an accommodating groove 11, a magnet 12, a driving rod 13, a transmission gear 14 and a transmission belt 15, wherein the sliding groove 2 is arranged on the upper surface of the processing table 1, the clamping rod 3 is arranged inside the sliding groove 2, the protective layer 4 is arranged at the right end of the clamping rod 3, the PCB body 7 is arranged on the outer surface of the protective layer 4 in an attaching mode, the reset spring 5 is fixedly welded on the inner portion of the upper surface of the processing table 1, the positioning rod 6 is fixedly welded at the front end of the reset spring 5, the supporting rod 8 is fixedly welded on the upper surface of the processing table 1, the automatic telescopic rod 9 is fixedly bolted on the lower surface of the supporting rod 8, the test block 10 is fixedly bolted on the lower end of the automatic telescopic rod 9, and the accommodating groove 11 is arranged on the outer surface of the automatic telescopic rod 9, the interior of holding tank 11 is provided with actuating lever 13, and the surface of actuating lever 13 is provided with drive gear 14, and the inside of automatic telescopic link 9 is inlayed and is connected with magnet 12, and the rotation end laminating of drive gear 14 is provided with drive belt 15.

Supporting rod 3 passes through sliding tray 2 and constitutes sliding structure with processing platform 1, and supporting rod 3's appearance is "L" shape of falling to the connected mode between supporting rod 3 and the drive gear 14 is connected for the meshing, and the connected mode between supporting rod 3 and the inoxidizing coating 4 is for bonding simultaneously, can be fixed tightly with PCB body 7, makes PCB body 7's fixed efficiency obtain improving simultaneously.

The locating lever 6 forms an elastic structure with the processing table 1 through the reset spring 5, and the locating lever 6 forms a sliding structure with the processing table 1, and the upper surface of the locating lever 6 is inclined, so that the PCB body 7 can be preliminarily fixed in position, and the fixing speed of the PCB body 7 is improved.

Automatic telescopic link 9 passes through holding tank 11 and constitutes sliding construction with actuating lever 13, and automatic telescopic link 9 passes through magnet 12 and is connected with 13 magnetism of actuating lever to actuating lever 13 is provided with two sets ofly about automatic telescopic link 9's axis symmetry, can reduce the energy that whole device consumed when fixed to PCB body 7, and then has reduced PCB body 7's test cost.

The attraction between magnet 12 and the actuating lever 13 is greater than the frictional force between actuating lever 13 and drive gear 14, and 2 groups of drive gear 14 constitute transmission structure through drive belt 15, can reduce the damage that clamping rod 3 caused PCB body 7.

The driving rod 13 is connected with the transmission gear 14 in a meshing manner, the transmission gear 14, the supporting rod 8 and the processing table 1 form a rotating structure, and the clamping rod 3 can be driven to slide on the processing table 1, so that the PCB body 7 can be fixed while the test block 10 descends.

The working principle is as follows: when the PCB test fixture is used, firstly, as shown in figures 1-5, when the PCB body 7 needs to be fixed, the PCB body 7 is placed above the positioning rod 6 and is pressed downwards, so that the positioning rod 6 extrudes the reset spring 5, so that the positioning rod 6 can preliminarily fix the PCB body 7, the central axes of the PCB body 7 and the test block 10 are ensured to be positioned on the same vertical horizontal plane, then the automatic telescopic rod 9 is opened, the automatic telescopic rod 9 moves downwards, so that the driving rod 13 drives the transmission gear 14 to rotate, under the transmission action of the transmission belt 15, 2 groups of transmission gears 14 can simultaneously rotate, because the suction force between the magnet 12 and the driving rod 13 is greater than the friction force between the driving rod 13 and the transmission gear 14, the driving rod 13 cannot slide in the accommodating groove 11, and then the clamping rod 3 slides through the sliding groove 2, so that the clamping rod 3 fixes the PCB body 7, therefore, when the whole device is used for fixing the PCB body 7, the consumed energy is reduced, the test cost of the PCB body 7 is reduced, and meanwhile, the whole device can quickly and tightly fix the PCB body 7;

after test block 10 and PCB body 7 contact, actuating lever 13 has earlier contacted with processing platform 1 to make actuating lever 13 slide in holding tank 11, make actuating lever 13 break away from with spacing of magnet 12, thereby make clamping bar 3 fixed back to PCB body 7, can not continuously exert thrust, inoxidizing coating 4 has also reduced the damage that clamping bar 3 caused to PCB body 7 simultaneously, then make the disability rate of PCB body 7 reduce, this is the theory of operation of this PCB test fixture, and the content of not making detailed description in this specification all belongs to the prior art that technical personnel in the field know.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a PCB test fixture, includes processing platform (1), holding rod (3), locating lever (6), automatic telescopic link (9), magnet (12) and actuating lever (13), its characterized in that: the upper surface of the processing table (1) is provided with a sliding groove (2), a clamping rod (3) is arranged inside the sliding groove (2), the right end of the clamping rod (3) is provided with an protective layer (4), the outer surface of the protective layer (4) is attached to a PCB body (7), a reset spring (5) is welded and fixed to the inner portion of the upper surface of the processing table (1), a positioning rod (6) is welded and fixed to the front end of the reset spring (5), a supporting rod (8) is welded and fixed to the upper surface of the processing table (1), an automatic telescopic rod (9) is fixed to the lower surface of the supporting rod (8) through a bolt, a test block (10) is fixed to the lower end of the automatic telescopic rod (9) through a bolt, an accommodating groove (11) is formed in the outer surface of the automatic telescopic rod (9), a driving rod (13) is arranged inside the accommodating groove (11), and a transmission gear (14) is arranged on the outer surface of the driving rod (13), magnet (12) are connected with to the inside mosaic of automatic telescopic link (9), the rotation end laminating of drive gear (14) is provided with drive belt (15).

2. The PCB test fixture of claim 1, wherein: the clamping rod (3) forms a sliding structure with the processing table (1) through the sliding groove (2), the clamping rod (3) is inverted L-shaped in appearance, the clamping rod (3) is connected with the transmission gear (14) in a meshed mode, and meanwhile the clamping rod (3) is bonded with the protective layer (4) in a connected mode.

3. The PCB test fixture of claim 1, wherein: the positioning rod (6) and the processing table (1) form an elastic structure through a return spring (5), the positioning rod (6) and the processing table (1) form a sliding structure, and the upper surface of the positioning rod (6) is inclined.

4. The PCB test fixture of claim 1, wherein: automatic telescopic link (9) constitute sliding construction through holding tank (11) and actuating lever (13), and automatic telescopic link (9) are connected with actuating lever (13) magnetism through magnet (12) to actuating lever (13) are provided with two sets ofly about the axis symmetry of automatic telescopic link (9).

5. The PCB test fixture of claim 1, wherein: the attraction between the magnet (12) and the driving rod (13) is greater than the friction between the driving rod (13) and the transmission gear (14), and the 2 groups of transmission gears (14) form a transmission structure through a transmission belt (15).

6. The PCB test fixture of claim 1, wherein: the driving rod (13) is connected with the transmission gear (14) in a meshing manner, and the transmission gear (14), the supporting rod (8) and the processing table (1) form a rotating structure.