CN214335146U

CN214335146U - Universal test machine for PCB

Info

Publication number: CN214335146U
Application number: CN202120538601.3U
Authority: CN
Inventors: 肖红征
Original assignee: Shenzhen Wangtongda Electronics Co ltd
Current assignee: Shenzhen Wangtongda Electronics Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-10-01
Anticipated expiration: 2031-03-15

Abstract

The utility model provides a universal test machine for PCB board, including workstation, lift cylinder, determine module and clamping device, be provided with multiunit stand, multiunit on the workstation the top of stand is provided with the platform, the lift cylinder sets up on the platform, the output of lift cylinder passes the platform extends to the below of platform. The utility model discloses a set up clamping device, treat the PCB board that detects and carried out effectual spacing, thereby the convenience is tested the PCB board, and through set up first blotter and second blotter on the basal surface of pressure strip and workstation, avoided causing the damage to the PCB board compressing tightly the in-process, and when detecting, when detection assembly and PCB board contact, for the PCB board provides fine buffering effect, avoid hard contact between detection assembly and the PCB board, thereby avoided PCB board or detection assembly to damage in the testing process.

Description

Universal test machine for PCB

Technical Field

The utility model relates to a PCB board detects technical field, concretely relates to universal test machine for PCB board.

Background

The PCB production needs to be tested in the production process, and the existing PCB testing machine completes the test by placing the PCB on a carrier plate and driving an upper cylinder and a lower cylinder to enable an upper probe and a lower probe to be in contact with the PCB.

There is certain not enough at present in the measuring, and is spacing not good to the fixed of PCB board, leads to at the in-process that detects, and the skew takes place for the position of PCB board, influences the effect that detects, and hard contact between probe and the PCB board, does not have the buffering, leads to PCB board or probe to damage very easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving foretell not enough, provide a universal test machine for PCB board.

In order to achieve the above object, the technical solution of the present invention is: a universal testing machine for PCB boards comprises a workbench, a lifting cylinder, a detection assembly and a clamping device, wherein a plurality of groups of upright posts are arranged on the workbench, a platform is arranged at the top ends of the plurality of groups of upright posts, the lifting cylinder is arranged on the platform, the output end of the lifting cylinder penetrates through the platform and extends to the lower part of the platform, the detection assembly is arranged below the platform and is fixedly connected with the lifting cylinder, the clamping device is arranged at two sides of the workbench, the clamping device comprises a support frame and a pressing structure, the support frame comprises an upright plate fixed on the workbench and a transverse plate fixed at the top end of the upright plate, the pressing structure comprises a pressing plate, a pressing rod and more than one reset spring, the pressing plate is arranged below the transverse plate, and the bottom end of the pressing rod is fixed on the pressing plate, the top end of the pressing rod penetrates through the transverse plate and extends to the position above the transverse plate, a connecting plate is arranged at the top end of the pressing rod, more than one reset spring is fixed to the connecting plate at the top end, and the bottom end of each reset spring is fixed to the transverse plate.

Further, a first cushion pad is arranged on the bottom surface of the pressing plate.

Furthermore, a first pull ring is arranged on the connecting plate.

Further, a second cushion pad is arranged on the workbench.

Furthermore, the locking mechanism is further included, two clamping grooves distributed at intervals are formed in the pressing rod, the locking mechanism comprises a locking rod, a pressing block and more than one buffer spring, the pressing block is arranged below the transverse plate and fixedly connected with one end of the locking rod, the pressing block and the clamping grooves are matched with each other, one end of the locking rod penetrates through the vertical plate and is provided with a locking plate, one end of the buffer spring is fixed to the locking plate, and the other end of the buffer spring is fixed to the vertical plate.

Furthermore, a second pull ring is arranged on the locking plate.

Contrast prior art, the utility model discloses following beneficial effect has: the utility model discloses a set up clamping device, treat the PCB board that detects and carried out effectual spacing, thereby the convenience is tested the PCB board, and through set up first blotter and second blotter on the basal surface of pressure strip and workstation, avoided causing the damage to the PCB board compressing tightly the in-process, and when detecting, when detection assembly and PCB board contact, for the PCB board provides fine buffering effect, avoid hard contact between detection assembly and the PCB board, thereby avoided PCB board or detection assembly to damage in the testing process.

Drawings

Fig. 1 is a schematic view of a front view structure according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a work table; 2. a lifting cylinder; 3. a detection component; 4. a clamping device; 11. a column; 12. a platform; 41. a support frame; 42. a compression structure; 411. a vertical plate; 412. a transverse plate; 421. a compression plate; 422. a hold down bar; 423. a return spring; 424. a connecting plate; 425. a first cushion pad; 426. a first pull ring; 13. a second cushion pad; 5. a locking mechanism; 427. a card slot; 51. a locking lever; 52. briquetting; 53. a buffer spring; 54. a locking plate; 55. a second tab.

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. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, "a plurality" means two or more. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-2, the utility model relates to a universal tester for PCB board, including workstation 1, lift cylinder 2, determine module 3 and clamping device 4, be provided with multiunit stand 11 on the workstation 1, the multiunit the top of stand 11 is provided with platform 12, lift cylinder 2 sets up on the platform 12, the output of lift cylinder 2 passes platform 12 extends to the below of platform 12, determine module 3 sets up below and fixed connection of platform 12 lift cylinder 2, clamping device 4 sets up both sides on the workstation 1, clamping device 4 includes support frame 41 and compact structure 42, support frame 41 is including fixing riser 411 on the workstation 1 with fix the diaphragm 412 on riser 411 top, compact structure 42 includes pressure strip 421, all, The pressing device comprises a pressing rod 422 and more than one return spring 423, the pressing plate 421 is arranged below the transverse plate 412, the bottom end of the pressing rod 422 is fixed on the pressing plate 421, the top end of the pressing rod 422 penetrates through the transverse plate 412 and extends to the upper side of the transverse plate 412, a connecting plate 424 is arranged at the top end of the pressing rod 422, the top end of the more than one return spring 423 is fixed on the connecting plate 424, and the bottom end of the return spring 423 is fixed on the transverse plate 412.

In one embodiment, a first cushion 425 is disposed on a bottom surface of the pressing plate 421. By the design, the PCB is prevented from being damaged by the pressing plate 421 in the clamping process.

In one embodiment, the connecting plate 424 is provided with a first pull ring 426. By the design, the position of the pressing plate 421 can be adjusted conveniently by workers.

In an embodiment, a second cushion pad 13 is arranged on the work table 1. The design can provide the buffering effect for waiting to detect the PCB board, avoids hard contact between determine module 3 and the PCB board in the testing process to determine module 3 or PCB board damage have been avoided.

In an embodiment, the locking device further includes a locking mechanism 5, two clamping grooves 427 are disposed on the pressing rod 422, the locking mechanism 5 includes a locking rod 51, a pressing block 52 and one or more buffer springs 53, the pressing block 52 is disposed below the horizontal plate 412 and is fixedly connected to one end of the locking rod 51, the pressing block 52 and the clamping grooves 427 are engaged with each other, one end of the locking rod 51 passes through the vertical plate 411 and is provided with a locking plate 54, one end of the buffer spring 53 is fixed to the locking plate 54, and the other end of the buffer spring 53 is fixed to the vertical plate 411. Design like this, through setting up locking mechanism 5, can carry out effectual spacing to the position of pressure strip 421 to, through the mutually supporting of briquetting 52 and draw-in groove 427, be convenient for fix a position when pressure strip 421 mentions, conveniently place the PCB board on workstation 1.

In one embodiment, the locking plate 54 is provided with a second tab 55. By the design, the position of the pressing block 52 is convenient to adjust, and therefore the pressing plate 421 is convenient to adjust.

The utility model provides a universal test machine for PCB board, stretch the check lock lever outwards through the second pull ring before using, remove the spacing of briquetting and the draw-in groove of top, later stimulate the pressure strip through first pull ring and move up, until the briquetting card is established in the draw-in groove of bottom, loosen first pull ring and second pull ring, place the PCB board that will detect on the second cushion pad that the workstation set up, later stretch the second pull ring outwards, remove the spacing of briquetting and the draw-in groove of bottom, the pressure strip resets under the effect of reset spring, the edge of the PCB board that treats to detect simultaneously carries out effectual compressing tightly, later move down the detection subassembly through the lift cylinder, detect the PCB board; after the detection, the lifting cylinder drives the detection assembly to move upwards, then the pressing plate is lifted through pulling the first pull ring until the pressing block is matched with the clamping groove in the bottom, the PCB after the detection is taken out, then the pressing plate is restored to the original position under the action of the reset spring through outwards stretching the second pull ring, the second pull ring is loosened, the pressing block is restored to the original position under the action of the buffer spring, and the pressing block is clamped in the clamping groove in the upper part to limit the pressing plate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Claims

1. The utility model provides a universal tester for PCB board which characterized in that: comprises a workbench (1), a lifting cylinder (2), a detection assembly (3) and a clamping device (4), wherein a plurality of groups of upright posts (11) are arranged on the workbench (1), a platform (12) is arranged at the top end of each group of upright posts (11), the lifting cylinder (2) is arranged on the platform (12), the output end of the lifting cylinder (2) penetrates through the platform (12) and extends to the lower part of the platform (12), the detection assembly (3) is arranged below the platform (12) and is fixedly connected with the lifting cylinder (2), the clamping device (4) is arranged at two sides of the workbench (1), the clamping device (4) comprises a support frame (41) and a pressing structure (42), the support frame (41) comprises a vertical plate (411) fixed on the workbench (1) and a horizontal plate (412) fixed at the top end of the vertical plate (411), the pressing structure (42) comprises a pressing plate (421), a pressing rod (422) and more than one reset spring (423), the pressing plate (421) is arranged below the transverse plate (412), the bottom end of the pressing rod (422) is fixed to the pressing plate (421), the top end of the pressing rod (422) penetrates through the transverse plate (412) and extends to the upper side of the transverse plate (412), a connecting plate (424) is arranged at the top end of the pressing rod (422), the top end of the more than one reset spring (423) is fixed to the connecting plate (424), and the bottom end of the reset spring (423) is fixed to the transverse plate (412).

2. The universal tester for PCB boards of claim 1 wherein: a first cushion pad (425) is disposed on a bottom surface of the pressing plate (421).

3. The universal tester for PCB boards as claimed in claim 1 or 2, wherein: the connecting plate (424) is provided with a first pull ring (426).

4. The universal tester for PCB boards as claimed in claim 1 or 2, wherein: and a second cushion pad (13) is arranged on the workbench (1).

5. The universal tester for PCB boards as claimed in claim 1 or 2, wherein: the locking device is characterized by further comprising a locking mechanism (5), two clamping grooves (427) distributed at intervals are formed in the pressing rod (422), the locking mechanism (5) comprises a locking rod (51), a pressing block (52) and more than one buffer spring (53), the pressing block (52) is arranged below the transverse plate (412) and fixedly connected with one end of the locking rod (51), the pressing block (52) and the clamping grooves (427) are matched with each other, one end of the locking rod (51) penetrates through the vertical plate (411) and is provided with a locking plate (54), one end of the buffer spring (53) is fixed on the locking plate (54), and the other end of the buffer spring (53) is fixed on the vertical plate (411).

6. The universal tester for PCB boards of claim 5 wherein: the locking plate (54) is provided with a second pull ring (55).