CN219602619U

CN219602619U - Feedback type universal PCB clamping device

Info

Publication number: CN219602619U
Application number: CN202320910169.5U
Authority: CN
Inventors: 唐朝伟; 朱召胜; 尹乐琼
Original assignee: Power Boshi Guangdong Intelligent Equipment Co ltd
Current assignee: Power Boshi Guangdong Intelligent Equipment Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-08-29
Anticipated expiration: 2033-04-21

Abstract

The utility model provides a feedback type universal PCB clamping and sucking device, which comprises a connecting seat, wherein a bidirectional moving module is arranged on the connecting seat, the bidirectional moving module comprises a moving driving mechanism and two moving ends, the two moving ends are respectively connected with two connecting members, and a plurality of clamping jaw mechanisms for clamping a PCB are arranged on the connecting members side by side; at least one connecting component is provided with a feedback camera for shooting the side deformation condition of the PCB in the clamping state; the bidirectional moving module drives the moving end to move and drives the clamping jaw mechanism to clamp the PCB. By adopting the technical scheme of the utility model, the clamping quality and precision are improved, the problem of stress deformation of the PCB is solved by correcting the deformation of the PCB, the clamping stagnation phenomenon of the production line is reduced, the failure rate of the production line is reduced, the accurate transportation in the production process is realized, and the production efficiency is improved.

Description

Feedback type universal PCB clamping device

Technical Field

The utility model relates to a clamping device for PCB production, in particular to a feedback type universal PCB clamping device.

Background

The PCB is a core component of an electronic product, is known as a mother of electronic components, has the advantages of maintainability, high stability, assemblability, producibility, designability, high density, testability, miniaturization and miniaturization of a system, high speed of signal transmission and the like, and becomes one of important components of the electronic industry.

At present, the printed wiring board has been extremely widely applied to the production and manufacture of electronic products. In specialized printed board production plants, the mechanized and automated production has completely replaced the manual operation. The length, width and thickness of the PCB are large, and in the production and transportation process, a plurality of sets of fixtures are needed to deal with the PCB with various sizes, so that the fixtures in the production workshop are numerous, the management is inconvenient, and the cost of the fixtures is high. In this regard, the existing PCB automation equipment adopts a vacuum suction method. However, some PCBs are easy to deform, as shown in fig. 1, which is a stress deformation schematic diagram of a hard and thick PCB 1, and fig. 2, which is a flexible deformation schematic diagram of a soft and thin PCB 2, but the vacuum suction mode cannot overcome the problem of PCB deformation with different degrees of softness, so that the problem of production line jamming is caused in the transferring process, and the production efficiency is low.

Disclosure of Invention

Aiming at the technical problems, the utility model discloses a feedback type universal PCB clamping device which can overcome the problem of PCB deformation, reduce the clamping phenomenon of a production line, reduce the failure rate of the production line, realize accurate transportation in the production process and improve the production efficiency.

In this regard, the technical scheme of the utility model is as follows:

the feedback type universal PCB clamping device comprises a connecting seat, wherein a bidirectional moving module is arranged on the connecting seat, the bidirectional moving module comprises a moving driving mechanism and two moving ends, the two moving ends are respectively connected with two connecting members, and a plurality of clamping jaw mechanisms for clamping the PCB are arranged on the connecting members side by side; the connecting component is provided with an edge finding mechanism for measuring the length and width of the PCB and a feedback camera for shooting the side deformation condition of the PCB in a clamping state; the bidirectional moving module drives the moving end to move and drives the clamping jaw mechanism to clamp the PCB; when the feedback camera feeds back that the PCB is deformed, the two moving ends are driven to move outwards through the moving driving mechanism, and the PCB is corrected.

By adopting the technical scheme, after the PCB is clamped, the two moving ends can be driven to move according to the deformation condition of the PCB fed back by the feedback camera, the PCB is tightened, and the PCB is corrected, so that production line clamping stagnation caused by deformation of the PCB in the subsequent transferring process is avoided, and the production efficiency is improved.

As a further improvement of the utility model, the bidirectional moving module is a double-slider reverse electric module, the double-slider reverse electric module comprises a sliding rail, a driving motor, a first slider and a second slider, the driving motor is connected with a screw rod, the first slider and the second slider are respectively connected with the screw rod, and the moving directions of the first slider and the second slider are opposite. The driving motor drives the screw rod, and the screw rod drives the first sliding block and the second sliding block to simultaneously move inwards or outwards on the sliding rail.

As a further development of the utility model, the clamping jaw mechanism comprises a telescopic cylinder and a connecting rod clamping jaw, wherein the telescopic cylinder drives the connecting rod clamping jaw to clamp or unclamp. The opening of the connecting rod clamping jaw faces to the side face of the PCB. By adopting the technical scheme, the hard and thick PCB can be conveniently clamped and corrected.

As a further improvement of the utility model, the feedback type universal PCB board clamping device comprises a plurality of suction nozzle modules, wherein the suction nozzle modules are connected with the connecting seat through the connecting frame, and the suction nozzle modules are positioned between the two connecting members. By adopting the technical scheme, the soft and thin PCB can be conveniently sucked and corrected.

As a further development of the utility model, at least one suction nozzle module is provided on at least one side of the two connecting members.

As a further improvement of the utility model, the suction nozzle module comprises a hollow suction rod and a suction nozzle, wherein the hollow suction rod is connected with the suction nozzle. Further, the suction nozzle is made of silicon rubber.

As a further improvement of the utility model, the connecting component is provided with an edge finding mechanism for measuring the length and width dimensions of the PCB; and the bidirectional moving module feeds back the size of the PCB according to the edge searching mechanism to drive the moving end to move and drive the clamping jaw mechanism to clamp the PCB.

As a further improvement of the utility model, the edge finding mechanism is an edge finding camera with a lens facing the surface of the PCB to be tested.

As a further improvement of the utility model, the connecting seat is provided with a connecting piece for connecting with the robot.

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

by adopting the technical scheme of the utility model, the deformation of the PCB can be corrected, the problem of stress deformation of the PCB is solved, the clamping stagnation phenomenon of the production line is reduced, the failure rate of the production line is reduced, the accurate transportation in the production process is realized, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic diagram of stress deformation of a hard and thick PCB board in the prior art.

Fig. 2 is a schematic diagram of flexible deformation of a soft and thin PCB in the prior art.

Fig. 3 is a schematic structural diagram of a feedback type universal PCB board clamping device according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a dual-slider reverse electric module according to an embodiment of the present utility model.

Fig. 5 is a schematic view of the structure of a cylinder jaw according to an embodiment of the present utility model.

Fig. 6 is a schematic structural view of a flexible suction nozzle according to an embodiment of the present utility model.

Fig. 7 is a schematic diagram of a clamping device clamping a PCB board according to an embodiment of the present utility model.

Fig. 8 is an application scenario diagram of the clamping device clamping a PCB board according to an embodiment of the present utility model.

The reference numerals include:

1-a hard thick PCB and 2-a soft thin PCB;

10-double-slider reverse electric module, 20-clamping jaw mechanism, 30-suction nozzle module, 40-edge finding camera, 50-connecting seat, 60-feedback camera, 70-PCB board and 80-downstream clamp;

11-a first slider, 12-a second slider, 13-a connecting member;

21-a telescopic cylinder and 22-a connecting rod clamping jaw;

31-suction nozzle, 32-suction rod;

51-a connection rack.

Detailed Description

Preferred embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1 to 7, a feedback type universal PCB board clamping device includes a connection base 50, a bidirectional moving module is disposed on the connection base 50, and the connection base 50 is used for connecting an industrial robot. In this embodiment, the bidirectional movement module is a dual-slider reverse electric module 10, the dual-slider reverse electric module 10 includes a slide rail, a driving motor, a screw rod, a first slider 11 and a second slider 12, the driving motor is connected with the screw rod, the first slider 11 and the second slider 12 are respectively connected with two sides of the screw rod, and the movement directions of the first slider and the second slider are opposite. The driving motor drives the screw rod, and the screw rod drives the first sliding block 11 and the second sliding block 12 to simultaneously move inwards or outwards on the sliding rail so as to adapt to the PCB 70 with different sizes.

The first slide block 11 and the second slide block 12 are respectively connected with two connecting members 13 of aluminum profiles, the connecting members 13 are arranged side by side and are used for clamping the clamping jaw mechanisms 20 of the PCB 70, and an edge finding camera 40 which is used for measuring and calculating the length and width dimensions of the PCB 70 to be measured and has a lens facing the surface of the PCB 70 to be measured is arranged on one connecting member 13.

The clamping jaw mechanism 20 comprises a telescopic cylinder 21 and a connecting rod clamping jaw 22, and the telescopic cylinder 21 drives the connecting rod clamping jaw 22 to clamp or unclamp. Wherein the opening of the link jaw 22 is directed towards the side of the PCB board 70. By adopting the technical scheme, the connecting rod clamping jaw 22 is driven by the movement of the telescopic cylinder 21, so that the clamping and releasing action of the PCB 70 is realized.

A plurality of suction nozzle modules 30 are arranged between the two connecting members 13, and the suction nozzle modules 30 are connected with the connecting seat 50 through a connecting frame 51. The suction nozzle module 30 includes a hollow suction rod 32 and a suction nozzle 31, and the hollow suction rod 32 is connected with the suction nozzle 31. Further, the suction nozzle 31 is made of elastic silica gel. The adsorption correction of the soft and thin PCB 70 is realized through the elastic suction nozzle 31 made of silica gel material.

At least one side of the two connecting members 13 is also provided with at least one nozzle module 30. A feedback camera 60 for photographing the deformation of the side of the PCB 70 in the clamping state is provided on one connection member 13 toward the side of the PCB 70.

As shown in fig. 7 and 8, the flow of the suction PCB board 70 is as follows:

the PCB 70 stays at the approximate position of the station, the industrial robot drives the whole device together with the edge finding camera 40 through the robot connecting seat 50 to start searching the position of the PCB 70, measures and calculates the length and width dimensions of the PCB 70, and feeds back the dimensions; the industrial robot moves to the position of the PCB 70, and the first slide block 11 and the second slide block 12 execute corresponding shrinkage Zhang Kuandu according to the size of the PCB 70; the clamping jaw mechanism 20 is used as an executing element, the telescopic cylinder 21 extends out, and the connecting rod clamping jaw 22 clamps two sides of the PCB 70; the suction nozzle module 30 starts vacuum pneumatic, and the PCB 70 is adsorbed by the suction nozzle 31, so that the clamping quality and precision are improved. The feedback camera 60 shoots the deformation condition of the PCB 70, and if the deformation exceeds the set range, the first slide block 11 and the second slide block 12 are driven by the driving motor to move outwards so as to straighten and correct the PCB 70 until the set range is reached; at this time, the industrial robot drives the whole device together with the PCB board 70 to be transported to the vicinity of the position of the downstream clamp 80, and after the downstream clamp 80 clamps the PCB board 70, the suction nozzle 31 releases the vacuum suction, and the link claw 22 is released. The industrial robot exits the downstream gripper 80 position. The precise transfer work of the PCB board 70 is completed.

According to the technical scheme, clamping jaws are used for clamping two sides of a PCB, and the PCB is straightened and corrected to deform by means of reverse outward movement of double sliding blocks; a flexible suction nozzle is adopted and distributed in a transferring and clamping area to adsorb and level a flexible deformed soft thin PCB; photographing and finding edges by adopting a camera, and identifying the position and the size of the PCB; and the camera is adopted for photographing and detecting, and the deformation degree of the PCB is fed back in real time, so that the left and right sliding blocks are quantitatively driven, and the deformation of the PCB is corrected. The clamping quality and the clamping precision are improved, the accurate transfer is realized, and the faults of the production line are reduced.

In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships as described based on the drawings, are merely for convenience in describing the present utility model and simplifying 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.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The above embodiments are preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, which is defined by the appended claims, but rather by the following claims.

Claims

1. A feedback type universal PCB clamping device is characterized in that: the PCB clamping device comprises a connecting seat, wherein a bidirectional moving module is arranged on the connecting seat and comprises a moving driving mechanism and two moving ends, the two moving ends are respectively connected with two connecting members, and a plurality of clamping jaw mechanisms for clamping the PCB are arranged on the two connecting members side by side; at least one connecting component is provided with a feedback camera for shooting the side deformation condition of the PCB in the clamping state; the bidirectional moving module drives the moving end to move and drives the clamping jaw mechanism to clamp the PCB; when the feedback camera feeds back that the PCB is deformed, the two moving ends are driven to move outwards through the moving driving mechanism, and the PCB is corrected.

2. The feedback type universal PCB clamping device as claimed in claim 1, wherein: the bidirectional moving module is a double-slider reverse electric module, the double-slider reverse electric module comprises a sliding rail, a driving motor, a first slider and a second slider, the driving motor drives a screw rod, and the screw rod drives the first slider and the second slider to simultaneously move inwards or outwards on the sliding rail.

3. The feedback type universal PCB clamping device as claimed in claim 2, wherein: the clamping jaw mechanism comprises a telescopic cylinder and a connecting rod clamping jaw, and the telescopic cylinder drives the connecting rod clamping jaw to clamp or loosen.

4. The feedback type universal PCB clamping device as claimed in claim 1, wherein: the novel suction nozzle comprises a plurality of suction nozzle modules, wherein the suction nozzle modules are connected with a connecting seat through a connecting frame, and the suction nozzle modules are positioned between two connecting members.

5. The feedback type universal PCB clamping device as claimed in claim 4, wherein: at least one suction nozzle module is arranged on at least one side of the two connecting members.

6. The feedback type universal PCB clamping device of claim 5, wherein: the suction nozzle module comprises a hollow suction rod and a suction nozzle, and the hollow suction rod is connected with the suction nozzle.

7. The feedback type universal PCB clamping device as claimed in claim 1, wherein: the lens of the feedback camera faces the side face of the PCB.

8. The feedback type universal PCB clamping device as claimed in claim 1, wherein: the connecting component is provided with an edge searching mechanism for measuring the length and width dimensions of the PCB; and the bidirectional moving module feeds back the size of the PCB according to the edge searching mechanism to drive the moving end to move and drive the clamping jaw mechanism to clamp the PCB.

9. The feedback type universal PCB clamping device of claim 8, wherein: the edge searching mechanism is an edge searching camera with a lens facing the surface of the PCB.

10. The feedback type universal PCB clamping device according to any one of claims 1 to 9, wherein: the connecting seat is provided with a connecting piece used for being connected with the robot.