CN216634613U

CN216634613U - PCB cutting clamp

Info

Publication number: CN216634613U
Application number: CN202123018258.9U
Authority: CN
Inventors: 夏中会
Original assignee: Suzhou Weijie Electronics Co ltd
Current assignee: Suzhou Weijie Electronics Co ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-31
Anticipated expiration: 2031-12-03

Abstract

The utility model provides a PCB cutting clamp, comprising: the bottom of the bottom plate is provided with a linear driving device for driving the bottom plate to reciprocate along a straight line, and the top of the bottom plate is provided with a clamping mechanism and a positioning plate corresponding to the clamping mechanism; the clamping mechanism is provided with a lower pressing plate which is arranged above the bottom plate in a sliding mode along the vertical direction, and a cam is rotationally arranged above the lower pressing plate; the PCB cutting clamp can be aligned with a PCB to be cut through the positioning plate, the PCB can be accurately positioned, the clamping mechanism is used for clamping the PCB, the surface of the PCB can move in the cutting process, feeding is accurate, and cutting quality is guaranteed; can move the PCB board after pressing from both sides tight fixed to circular knife and straight sword department through sharp drive arrangement and accomplish the action of cutting to the PCB board, need not the handheld pay-off of operating personnel, promote the security.

Description

PCB cutting clamp

Technical Field

The utility model belongs to the technical field of PCB processing, and particularly relates to a PCB cutting clamp.

Background

In the production and processing process of the PCB, the large PCB is divided and cut according to the required size of the PCB. The plate dividing and cutting process needs to be completed through a plate dividing machine.

Among the prior art, if the chinese utility model patent document of grant bulletin number CN209824149U discloses a semi-automatic circuit board separator, relate to circuit board production machinery technical field, including workstation, the fixed straight blade of setting on the workstation, the removal circular knife of setting in straight blade top, be provided with on the workstation and accept the board, the height of accepting the board and the highly uniform that straight blade exposes the workstation, the groove of sliding has been seted up along the direction of perpendicular straight blade on the workstation, the inslot sliding that slides is provided with the slider, the upper end of slider and the lower fixed surface who accepts the board are connected.

When the board separator shown among the above-mentioned prior art divides the board to cut to the circuit board, need the handheld circuit board of operating personnel, arrange the circuit board in between circular knife and the straight sword, accomplish the cutting to the circuit board through circular knife horizontal reciprocating motion, this kind of mode of cutting is influenced by operating personnel's operation proficiency greatly, causes the incision skew easily, influences the circuit board and uses, and it is nearer apart from the circular knife of quick travel to cut in-process operating personnel's hand, it causes the damage to operating personnel's hand to touch the circular knife easily.

Therefore, a PCB cutting clamp which is accurate in feeding, ensures cutting quality and improves safety is required to be designed to solve the technical problem facing the prior art.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the PCB cutting clamp which is accurate in feeding, ensures the cutting quality and improves the safety.

The technical scheme of the utility model is as follows: PCB board cutting jig includes: the bottom of the bottom plate is provided with a linear driving device for driving the bottom plate to reciprocate along a straight line, and the top of the bottom plate is provided with a clamping mechanism and a positioning plate corresponding to the clamping mechanism; the clamping mechanism is provided with a lower pressing plate which is arranged above the bottom plate in a sliding mode along the vertical direction, and a cam is rotationally arranged above the lower pressing plate.

An upper pressing plate is arranged between the cam and the lower pressing plate in a sliding mode along the vertical direction, and the upper pressing plate and the lower pressing plate are elastically supported.

The two ends of the lower pressing plate are vertically and slidably connected with guide rods, the bottom ends of the guide rods are fixedly connected with the bottom plate, and the two ends of the upper pressing plate are respectively and slidably connected with the two guide rods.

And a spring is sleeved outside the guide rod between the upper pressure plate and the lower pressure plate.

The top end of the guide rod is provided with an end seat, a rotating shaft is fixedly arranged between the two end seats, the cam is rotationally connected with the rotating shaft,

a handle is arranged on one side of the cam.

And the positioning plate is provided with an adjusting mechanism for driving the positioning plate to be close to or far away from the clamping mechanism.

The adjusting mechanism is provided with a support fixedly arranged at the top of the bottom plate, the positioning plate is connected with the support in a sliding mode, a screw rod is rotatably arranged on one side, close to the support, of the positioning plate, and the screw rod is in threaded connection with the support.

An adjusting guide rod is vertically and fixedly arranged on one side, close to the support, of the positioning plate, and the adjusting guide rod is connected with the support in a sliding mode.

The linear driving device is a linear module.

The utility model has the beneficial effects that:

(1) the PCB cutting clamp is aligned with a PCB to be cut through the positioning plate, the PCB can be accurately positioned, the PCB is clamped through the clamping mechanism, the PCB can move in the cutting process, feeding is accurate, and cutting quality is guaranteed;

(2) the PCB after being clamped and fixed can be moved to the positions of the circular knife and the straight knife through the linear driving device to finish the cutting action of the PCB, so that the PCB does not need to be held by an operator for feeding, and the safety is improved;

(3) the lower pressing plate is driven to move up and down by rotating the cam, so that the PCB can be clamped and released quickly, and the operation is convenient and fast.

Drawings

FIG. 1 is a schematic structural diagram of a PCB trimming fixture according to the present invention.

Fig. 2 is a second schematic structural view of the PCB cutting jig of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the utility model, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.

The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As shown in fig. 1 to 3, a PCB cutting jig includes: the PCB cutting machine comprises a base plate 2, wherein a linear driving device 1 for driving the base plate 2 to reciprocate linearly is arranged at the bottom of the base plate, a clamping mechanism and a positioning plate 12 corresponding to the clamping mechanism are arranged at the top of the base plate 2 through the linear driving device 1, the positioning plate 12 is aligned with a PCB to be cut, the PCB can be positioned accurately, the PCB can be clamped through the clamping mechanism, the surface of the PCB can move in the cutting process, feeding is accurate, cutting quality is guaranteed, the PCB after clamping and fixing can be moved to a round knife and a straight knife through the linear driving device 1, cutting of the PCB is finished, an operator does not need to hold the PCB to feed materials, and safety is improved; wherein clamping mechanism has and slides along vertical direction and is provided with holding down plate 8 in bottom plate 2 top, and holding down plate 8's top is rotated and is provided with cam 5, moves from top to bottom through rotating cam 5 drive holding down plate 8, can realize pressing from both sides tightly, release to the PCB board fast.

Further, the upper pressing plate 9 is arranged between the cam 5 and the lower pressing plate 8 in a sliding mode along the vertical direction, the upper pressing plate 9 and the lower pressing plate 8 are elastically supported, the cam 5 drives the upper pressing plate 9 to move downwards, the lower pressing plate 8 moves downwards through elastic force to clamp and fix the PCB, the PCB can be pressed and pressed effectively through elastic force, the PCB is prevented from being damaged by pressure, in addition, the anti-slip pads 17 are fixedly arranged at the bottom of the lower pressing plate 8 and the top of the bottom plate 2 and the corresponding positions of the lower pressing plate 8, the anti-slip pads 17 are rubber films which are bonded at the bottom of the lower pressing plate 8 and the top of the bottom plate 2, the friction coefficient is large, the friction force on the PCB can be improved, the sliding during cutting is avoided, and the precision is influenced.

Furthermore, both ends of the lower pressing plate 8 are vertically and slidably connected with the guide rods 3, the bottom ends of the guide rods 3 are fixedly connected with the bottom plate 2, both ends of the upper pressing plate 9 are respectively and slidably connected with the two guide rods 3, and the guide rods 9 are vertically fixed on the top of the bottom plate 2 to slide and guide the upper pressing plate 9 and the lower pressing plate 8.

As a specific embodiment of the elastic support between the upper platen 9 and the lower platen 8, a spring 10 is sleeved outside the guide rod 3 between the upper platen 9 and the lower platen 8.

As a specific embodiment that the cam 5 is rotatably arranged above the upper pressing plate 9, the top end of the guide rod 3 is provided with an end seat 4, the end seat 4 is a cylindrical structure which is coaxially and fixedly arranged at the top end of the guide rod 3, a rotating shaft 7 is fixedly arranged between the two end seats 4, the cam 5 is rotatably connected with the rotating shaft 7,

in order to clamp or release the PCB by rotating the cam 5, a handle 6 is arranged on one side of the cam 5, and the handle 6 is welded and fixed with one side of the cam 5.

In order to meet the cutting requirements of the required PCB boards with different lengths, the positioning board 12 is provided with an adjusting mechanism for driving the positioning board to be close to or far away from the clamping mechanism.

As a specific implementation manner of the adjusting mechanism, the adjusting mechanism has a support 11 fixedly arranged at the top of the bottom plate 2, the positioning plate 12 is slidably connected with the support 11, a screw 14 is rotatably arranged on one side of the positioning plate 12 close to the support 11, the screw 14 is in threaded connection with the support 11, the feeding in-place position of the linear driving device 1 is kept unchanged, the screw 14 is rotated in a forward and reverse direction, the screw 11 is driven to move in the direction close to and away from the clamping mechanism along the axial direction thereof by matching the threaded structures between the screw 14 and the support 11, and the cutting requirements for the required PCBs with different lengths can be met by adjusting the position of the positioning plate 12.

Furthermore, an adjusting guide rod 13 is vertically and fixedly arranged on one side of the positioning plate 12 close to the support 11, and the adjusting guide rod 13 is slidably connected with the support 11.

As a specific embodiment of the linear driving device 1, the linear driving device 1 is a linear module.

Thus, various embodiments of the present invention have been described in detail. Some details well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a PCB board cutting jig which characterized in that includes:

the bottom of the bottom plate is provided with a linear driving device for driving the bottom plate to reciprocate along a straight line, and the top of the bottom plate is provided with a clamping mechanism and a positioning plate corresponding to the clamping mechanism;

the clamping mechanism is provided with a lower pressing plate which is arranged above the bottom plate in a sliding mode along the vertical direction, and a cam is rotationally arranged above the lower pressing plate.

2. The PCB plate cutting jig of claim 1, wherein: an upper pressing plate is arranged between the cam and the lower pressing plate in a sliding mode along the vertical direction, and the upper pressing plate and the lower pressing plate are elastically supported.

3. The PCB plate cutting jig of claim 2, wherein: the two ends of the lower pressing plate are vertically and slidably connected with guide rods, the bottom ends of the guide rods are fixedly connected with the bottom plate, and the two ends of the upper pressing plate are respectively and slidably connected with the two guide rods.

4. The PCB plate cutting jig of claim 3, wherein: and a spring is sleeved outside the guide rod between the upper pressure plate and the lower pressure plate.

5. The PCB plate cutting jig of claim 3, wherein: the top of guide arm is provided with the end socket, two fixed pivot that is provided with between the end socket, the cam with the pivot rotates to be connected.

6. The PCB board trimming jig of claim 1, wherein: a handle is arranged on one side of the cam.

7. The PCB plate cutting jig of claim 1, wherein: and the positioning plate is provided with an adjusting mechanism for driving the positioning plate to be close to or far away from the clamping mechanism.

8. The PCB plate cutting jig of claim 7, wherein: the adjusting mechanism is provided with a support fixedly arranged at the top of the bottom plate, the positioning plate is connected with the support in a sliding mode, a screw rod is rotatably arranged on one side, close to the support, of the positioning plate, and the screw rod is in threaded connection with the support.

9. The PCB board trimming fixture of claim 8, wherein: an adjusting guide rod is vertically and fixedly arranged on one side, close to the support, of the positioning plate, and the adjusting guide rod is connected with the support in a sliding mode.

10. The PCB board trimming jig of claim 1, wherein: the linear driving device is a linear module.