CN210745674U

CN210745674U - PCB (printed circuit board) clamp

Info

Publication number: CN210745674U
Application number: CN201921841743.6U
Authority: CN
Inventors: 朱茂云
Original assignee: Wanan Yuwei Electronics Co Ltd
Current assignee: Wanan Yuwei Electronics Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-12
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a PCB plate clamp, including second strip piece, first recess, U template, fill lid, first long screw rod, traction piece, first strip piece, second long screw rod, second recess, second motor, air duct, thin rubber disk and first motor. The utility model relates to a rationally, be convenient for adjust the use according to PCB board specification size, and can the first strip of single control remove or four U templates remove simultaneously, reach the effect that changes the fixed PCB board position control of centre gripping, through aerifing in to the fill lid for thin rubber disk inflation, thereby can carry out the centre gripping with the PCB board from the edge and fix, adopt the mode of rubber inflation elasticity centre gripping, avoid hard clamping structure the condition that harms the PCB board to appear.

Description

PCB (printed circuit board) clamp

Technical Field

The utility model relates to an anchor clamps specifically are PCB board anchor clamps belongs to PCB board application technical field.

Background

Printed circuit boards, also known as PCBs, are not typical end products and are somewhat confusing in terms of their names, for example, motherboards for personal computers, called motherboards, are not directly called circuit boards, although there are circuit boards in motherboards, they are not the same, so they are not the same in terms of their industry.

The clamping structure part of the existing PCB clamp is of a hard structure, under the condition of some special requirements, the edge surface of the PCB can be damaged by pressure, and meanwhile, the whole position moving adjustment is not carried out under the condition of fixing the PCB. Accordingly, a PCB board fixture is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB board anchor clamps just in order to solve above-mentioned problem.

The utility model realizes the above purpose by the following technical proposal, a PCB clamp comprises two first bars, a clamping structure and a moving structure, and the opposite surfaces of the two first bars are provided with first grooves;

the clamping structure comprises a U-shaped plate, wherein bucket covers are arranged on the top wall and the bottom wall of the U-shaped plate, a thin rubber wafer is arranged at one end port of each bucket cover, one end of an air guide pipe is arranged at the other end port of each bucket cover, and the other end of the air guide pipe is connected with an external pneumatic control device and an air pump through a hose;

the moving structure comprises a first long screw and a second long screw, the first long screw is rotatably installed in the corresponding first groove, two traction blocks are symmetrically connected to the first long screw in a threaded manner, one end of the first long screw is installed at one end of a shaft rod of the first motor, the second long screw is rotatably installed in the second groove, the second groove is formed in the side face of one side of the second bar, one end of the second long screw is installed at one end of the shaft rod of the second motor, and the same second long screw penetrates through the same-direction ends of the two first bars.

Preferably, the number of the U-shaped plates is four, and the four U-shaped plates are respectively installed on the corresponding traction blocks.

Preferably, the number of the second bars is two, and the end surfaces of the same direction of the two second bars and the two corresponding second motors are provided.

Preferably, two ends of the first bar block are respectively positioned in the second grooves on the same side in a sliding manner, and the two parallel first bar blocks are positioned between the two parallel second bar blocks.

Preferably, the first long screw and the second long screw both have two opposite threads, and the length of the two opposite threads is one half of the length of the corresponding long screw.

Preferably, the first motor is installed in the placement structure of the first bar block, and the first motor and the second motor are both electrically connected with the external controller and the power supply through the conducting wires.

The utility model has the advantages that:

1. this kind of PCB board anchor clamps reasonable in design is convenient for adjust the use according to PCB board specification size, and can the first strip of single control remove or four U templates remove simultaneously, reaches the effect that changes the fixed PCB board position control of centre gripping.

2. This kind of PCB board anchor clamps reasonable in design is through aerifing in to the fill lid for thin rubber disk inflation, thereby can carry out the centre gripping with the PCB board from the edge and fix, adopts the mode of rubber inflation elasticity centre gripping, avoids hard clamping structure the condition that harms the PCB board to appear.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a schematic diagram of the first block structure of the present invention;

fig. 4 is a schematic diagram of the U-shaped plate structure of the present invention.

In the figure: 1. the device comprises a second bar block, 2, a first groove, 3, a U-shaped plate, 4, a bucket cover, 5, a first long screw, 6, a traction block, 7, a first bar block, 8, a second long screw, 9, a second groove, 10, a second motor, 11, an air guide pipe, 12, a thin rubber wafer, 13 and a first motor.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. 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.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, a PCB clamp includes two first bars 7, a clamping structure and a moving structure, wherein two first bars 7 are provided, and opposite surfaces of the two first bars 7 are respectively provided with a first groove 2;

the clamping structure comprises a U-shaped plate 3, a hopper cover 4 is mounted on the top wall and the bottom wall of the U-shaped plate 3, a thin rubber wafer 12 is mounted on a port at one end of the hopper cover 4, one end of an air duct 11 is mounted on a port at the other end of the hopper cover 4, and the other end of the air duct 11 is connected with an external pneumatic control device and an air pump through a hose;

the moving structure comprises a first long screw 5 and a second long screw 8, the first long screw 5 is rotatably installed in the corresponding first groove 2, two traction blocks 6 are symmetrically connected to the first long screw 5 in a threaded manner, one end of the first long screw 5 is installed at one end of a shaft rod of a first motor 13, the second long screw 8 is rotatably installed in a second groove 9, the second groove 9 is formed in the side face of one side of the second bar 1, one end of the second long screw 8 is installed at one end of the shaft rod of a second motor 10, and the same thread of the second long screw 8 penetrates through the same-direction ends of the two first bars 7.

The number of the U-shaped plates 3 is four, and the four U-shaped plates 3 are respectively arranged on the corresponding traction blocks 6, so that the corresponding U-shaped plates 3 are driven to move by the movable traction blocks 6; the number of the second bars 1 is two, and the end surfaces of the two same-direction ends of the second bars 1 and the two corresponding second motors 10 can drive the connected second long screw rods 8 to rotate through the rotating second motors 10; two ends of the first bar 7 are respectively positioned in the second grooves 9 on the same side in a sliding manner, and the two parallel first bars 7 are positioned between the two parallel second bars 1, so that the installation position relationship between the first bars 7 and the second bars 1 is defined; the first long screw 5 and the second long screw 8 are provided with two opposite threads, and the lengths of the two opposite threads are half of the lengths of the corresponding long screws, so that two connecting structures symmetrically positioned on the same long screw can move in opposite directions or in opposite directions; the first motor 13 is installed in the placing structure of the first bar 7, and the first motor 13 and the second motor 10 are both electrically connected with an external controller and a power supply through conducting wires, so that the effect of controlling the running state of the corresponding motors is achieved.

The utility model discloses when using, it is rotatory to drive second long screw rod 8 through starting the operation of second motor 10, make two first bars 7 that lie between two second bars 1 move in opposite directions or dorsad under the interact of power, drive corresponding first long screw rod 5 rotation through starting the operation of two first motors 13 simultaneously, make two pulling blocks 6 on same first long screw rod 5 be in opposite directions or dorsad and move, reach the effect that changes four U template 3 rectangles that have the clamping structure and distribute the specification size, be convenient for adjust the use according to PCB board specification size, and can single control first bar 7 and move or four U template 3 move simultaneously, reach the effect that changes the fixed PCB board position of centre gripping and adjust;

when treating that PCB plate edge is located between two fill lids 4 that distribute about corresponding in the U template 3, because the air duct 11 is connected with pneumatic control equipment and air pump, so through aerifing in the fill lid 4 for thin rubber disk 12 inflation, thereby can carry out the centre gripping with the PCB board from the edge and fix, adopt the mode of rubber inflation elasticity centre gripping, avoid hard clamping structure to appear the condition of damage PCB board.

It is well within the skill of those in the art to implement and protect the present invention without undue experimentation and without undue experimentation that the present invention is directed to software and process improvements.

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. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a PCB board anchor clamps which characterized in that: the clamping device comprises two first strips (7), a clamping structure and a moving structure, wherein two first strips (7) are arranged, and the opposite surfaces of the two first strips (7) are provided with first grooves (2);

the clamping structure comprises a U-shaped plate (3), wherein a hopper cover (4) is mounted on the inner top wall and the inner bottom wall of the U-shaped plate (3), a thin rubber wafer (12) is mounted at one end port of the hopper cover (4), one end of an air duct (11) is mounted at the other end port of the hopper cover (4), and the other end of the air duct (11) is connected with an external pneumatic control device and an air pump through a hose;

the moving structure comprises a first long screw (5) and a second long screw (8), the first long screw (5) is rotatably installed in the corresponding first groove (2), two traction blocks (6) are symmetrically connected to the first long screw (5) in a threaded manner, one end of the first long screw (5) is installed at one end of a shaft rod of a first motor (13), the second long screw (8) is rotatably installed in a second groove (9), the second groove (9) is formed in one side face of a second strip block (1), one end of the second long screw (8) is installed at one end of the shaft rod of a second motor (10), and the same thread of the second long screw (8) penetrates through the same-direction ends of the two first strip blocks (7).

2. The PCB board fixture of claim 1, wherein: the number of the U-shaped plates (3) is four, and the four U-shaped plates (3) are respectively arranged on the corresponding traction blocks (6).

3. The PCB board fixture of claim 1, wherein: the number of the second strip blocks (1) is two, and the end faces of the same direction of the second strip blocks (1) correspond to the two second motors (10).

4. The PCB board fixture of claim 1, wherein: two ends of the first strip block (7) are respectively positioned in the second grooves (9) on the same side in a sliding manner, and the two parallel first strip blocks (7) are positioned between the two parallel second strip blocks (1).

5. The PCB board fixture of claim 1, wherein: the first long screw (5) and the second long screw (8) are both provided with two opposite threads, and the length of the two opposite threads is one half of the length of the corresponding long screw.

6. The PCB board fixture of claim 1, wherein: the first motor (13) is installed in a placement structure of the first block (7), and the first motor (13) and the second motor (10) are electrically connected with an external controller and a power supply through conducting wires.