Semi-automatic liquid crystal screen PCB anti-arching locking jig

Abstract

The utility model relates to the technical field of liquid crystal screens, in particular to a semi-automatic liquid crystal screen PCB anti-arching locking jig which comprises a bottom plate, a clamping plate and an anti-arching assembly, and the anti-arching assembly comprises a supporting frame, a driving air cylinder and a pressing plate. The bottom plate provides installation conditions for the clamping plate, the clamping plate is driven by the driving mechanism, the driving mechanism is driven by an existing lead screw, the clamping plate relatively slides on the bottom plate so as to clamp and fix a PCB, the supporting frame is fixed to the clamping plate through bolts, supporting and installation conditions are provided for the driving air cylinder, and an operator controls the output end of the driving air cylinder to extend through the controller. According to the PCB clamping device, the pressing plate is lowered until the pressing plate abuts against the PCB, the phenomenon that the PCB hunches up during machining is avoided, and the problem that when an existing clamping device is used for machining the PCB, the PCB hunches up, and the machining efficiency of the PCB is affected is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal screen technical field especially relates to semi -automatic liquid crystal screen PCB anti -arching lock fixture. BACKGROUND

[0002] Semi -automatic liquid crystal screen is a kind of screen display device combining liquid crystal display technology and semi -automatic operation characteristics, and the working principle of semi -automatic liquid crystal screen is similar to ordinary liquid crystal screen, and both rely on the arrangement of liquid crystal molecules and the change of voltage to control the polarization and penetration degree of light, to realize image display.

[0003] At present, the prior art CN220156955U discloses a paster machine PCB clamping device, relates to clamping structure technical field, including base plate;The upper surface of the base plate is provided with a pair of clamping blocks capable of sliding translation to each other, a pair of the clamping blocks are provided with a clamping piece capable of elastic bending on the side facing each other;The first arching portion is arranged at the middle position of the clamping piece, the second arching portion is arranged at both ends of the clamping piece, the second arching portion and the first arching portion are both arranged towards the side away from the clamping block, and the spacing between the second arching portion and the clamping block is greater than the spacing between the first arching portion and the clamping block, and the support rod is vertically connected between the first arching portion and the clamping block.The utility model has the advantages of reasonable structure, three-point elastic clamping positioning of the PCB is realized by arranging the clamping piece on the pair of clamping blocks capable of moving to each other, the problem of PCB clamping damage is effectively avoided, the clamping effect is good, and the practicality is stronger.

[0004] But the clamping device is clamped when processing semi -automatic liquid crystal screen PCB, due to temperature, mechanical stress and other factors, it can cause the arching of the PCB around, thereby affecting the processing efficiency of PCB. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing semi -automatic liquid crystal screen PCB anti -arching lock fixture, to solve the problem of the arching of PCB when the existing clamping device processes PCB, and the problem of affecting the processing efficiency of PCB.

[0006] In order to achieve the above object, the utility model provides semi -automatic liquid crystal screen PCB anti -arching lock fixture, including bottom plate, clamping plate and anti -arching assembly, the clamping plate is arranged at the top of the bottom plate, the anti -arching assembly is arranged at the top of the clamping plate, and the anti -arching assembly includes support frame, drive cylinder and pressing plate;The support frame is fixedly connected with the clamping plate, and located at the top of the clamping plate, the drive cylinder is fixedly connected with the support frame, and located at the top of the support frame, the pressing plate is fixedly connected with the drive cylinder, and located at the side away from the support frame of the drive cylinder.

[0007] The pressing plate comprises a pressing plate body, rubber pads and an extension rod, the pressing plate body is fixedly connected with the output end of the driving cylinder and located at the side of the driving cylinder away from the support frame, the extension rod is fixedly connected with the pressing plate body and located at one side of the pressing plate body, and the rubber pads are arranged at the bottoms of the pressing plate body and the extension rod respectively.

[0008] The semi-automatic LCD screen PCB anti-arching locking fixture further comprises a sliding rod and a buffer rod, the sliding rod is fixedly connected with the output end of the driving cylinder and slidably connected with the support frame and located between the support frame and the driving cylinder, and the buffer rod is fixedly connected with the sliding rod and the clamping plate and located between the clamping plate and the sliding rod.

[0009] The sliding rod comprises a connecting rod and a sliding block, the connecting rod is fixedly connected with the output end of the driving cylinder and located at one side of the driving cylinder, and the sliding block is fixedly connected with the connecting rod and slidably connected with the support frame and located between the connecting rod and the support frame.

[0010] The buffer rod comprises a damping rod and a spring, the damping rod is fixedly connected with the connecting rod and the clamping plate and located between the clamping plate and the sliding rod, and the spring is sleeved outside the damping rod.

[0011] The semi-automatic LCD screen PCB anti-arching locking fixture of the utility model, the bottom plate provides installation conditions for the clamping plate, the clamping plate is driven through a driving mechanism, the driving mechanism is a existing screw rod driving, the clamping plate slides on the bottom plate relatively, thereby clamping and fixing the PCB, the support frame is fixed on the clamping plate through bolts, provides support and installation conditions for the driving cylinder, the operator controls the output end of the driving cylinder to be elongated through a controller, thereby lowering the pressing plate, until the pressing plate is placed on the PCB, and then the phenomenon of arching of the PCB during processing is avoided, the problem that the PCB is arched during processing of the existing clamping device and the problem of affecting the processing efficiency of the PCB are solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows.

[0013] Figure 1 It is a structure schematic view of the semi-automatic LCD screen PCB anti-arching locking fixture.

[0014] Figure 2 It is another structure schematic view of the semi-automatic LCD screen PCB anti-arching locking fixture.

[0015] Figure 3 is Figure 1 Enlarged view of detail A.

[0016] In the figure: 1 - base plate, 2 - clamping plate, 3 - arch prevention assembly, 4 - support frame, 5 - driving cylinder, 6 - pressing plate, 7 - pressing plate body, 8 - rubber pad, 9 - extension rod, 10 - sliding rod, 11 - buffer rod, 12 - connecting rod, 13 - sliding block, 14 - damping rod, 15 - spring. DETAILED DESCRIPTION

[0017] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0018] Please refer to Figures 1 to 3 The present application provides a semi-automatic LCD screen PCB arch prevention locking jig, comprising a base plate 1, a clamping plate 2 and an arch prevention assembly 3, the clamping plate 2 is arranged on the top of the base plate 1, the arch prevention assembly 3 is arranged on the top of the clamping plate 2, the arch prevention assembly 3 comprises a support frame 4, a driving cylinder 5 and a pressing plate 6; the support frame 4 is fixedly connected with the clamping plate 2 and located on the top of the clamping plate 2, the driving cylinder 5 is fixedly connected with the support frame 4 and located on the top of the support frame 4, the pressing plate 6 is fixedly connected with the driving cylinder 5 and located on the side of the driving cylinder 5 away from the support frame 4.

[0019] In the present embodiment, the base plate 1 provides mounting conditions for the clamping plate 2, the clamping plate 2 is driven by a driving mechanism, the driving mechanism is a existing screw rod driving, the clamping plate 2 slides on the base plate 1, thereby clamping and fixing the PCB, the support frame 4 is fixed on the clamping plate 2 by bolts, providing support and mounting conditions for the driving cylinder 5, the operator controls the output end of the driving cylinder 5 to extend by using the controller, thereby lowering the pressing plate 6 until the pressing plate 6 abuts against the PCB, thereby avoiding the arching phenomenon of the PCB during processing, solving the problem that the existing clamping device affects the processing efficiency of the PCB due to arching of the PCB during processing of the PCB.

[0020] Further, the pressing plate 6 comprises a pressing plate body 7, a rubber pad 8 and an extension rod 9, the pressing plate body 7 is fixedly connected with the output end of the driving cylinder 5 and located on the side of the driving cylinder 5 away from the support frame 4, the extension rod 9 is fixedly connected with the pressing plate body 7 and located on one side of the pressing plate body 7, the rubber pad 8 is arranged on the bottom of the pressing plate body 7 and the extension rod 9 respectively.

[0021] In the embodiment, the pressing plate body 7 presses the clamping plate 2 to clamp the fixed PCB through the driving cylinder 5, so as to avoid the arching phenomenon of the PCB during processing. The setting of the extension rod 9 increases the contact area between the pressing plate body 7 and the PCB, and strengthens the fixing effect of the pressing plate body 7 on the PCB. The setting of the rubber pad 8 is used to protect the PCB, so as to avoid scratching or crushing the PCB by the pressing plate body 7 and the extension rod 9.

[0022] Further, the semi-automatic LCD PCB anti-arching locking fixture further comprises a sliding rod 10 and a buffer rod 11. The sliding rod 10 is fixedly connected with the output end of the driving cylinder 5 and is in sliding connection with the support frame 4 and is located between the support frame 4 and the driving cylinder 5. The buffer rod 11 is fixedly connected with the sliding rod 10 and is fixedly connected with the clamping plate 2 and is located between the clamping plate 2 and the sliding rod 10.

[0023] In the embodiment, when the output end of the driving cylinder 5 lowers the pressing plate body 7, the sliding rod 10 is pushed to slide up and down on the support frame 4 and press the buffer rod 11, so as to buffer the force acting on the output end of the driving cylinder 5, and avoid that the force acting on the driving cylinder 5 is too large to crush the PCB by the pressing plate body 7.

[0024] Further, the sliding rod 10 comprises a connecting rod 12 and a sliding block 13. The connecting rod 12 is fixedly connected with the output end of the driving cylinder 5 and is located on one side of the driving cylinder 5. The sliding block 13 is fixedly connected with the connecting rod 12 and is in sliding connection with the support frame 4 and is located between the connecting rod 12 and the support frame 4.

[0025] In the embodiment, the connecting rod 12 is connected with the driving cylinder 5 through a flange plate. The output end of the driving cylinder 5 drives the connecting rod 12 to slide downward. The connecting rod 12 drives the sliding block 13 to slide on the support frame 4, so as to press the buffer rod 11 and buffer the force acting on the output end of the driving cylinder 5.

[0026] Further, the buffer rod 11 comprises a damping rod 14 and a spring 15. The damping rod 14 is fixedly connected with the connecting rod 12 and is fixedly connected with the clamping plate 2 and is located between the clamping plate 2 and the sliding rod 10. The spring 15 is sleeved on the outer side of the damping rod 14.

[0027] In the embodiment, the damping rod 14 provides a buffer medium for extrusion, so as to buffer the force acting on the output end of the driving cylinder 5 and avoid that the force acting on the driving cylinder 5 is too large to crush the PCB by the pressing plate body 7. The setting of the spring 15 further strengthens the buffering effect of the damping rod 14 on the force acting on the driving cylinder 5.

[0028] The above disclosure is only the preferred embodiment of the semi-automatic LCD screen PCB anti-buckling locking fixture of the present application, and cannot be used to limit the scope of the rights of the present application. Those skilled in the art can understand that all or part of the processes of the above-mentioned embodiments are implemented, and equivalent changes are made according to the claims of the present application, which still belong to the scope covered by the present application.

Claims

1. A semi-automatic LCD panel PCB anti-curling locking fixture, characterized in that ； The utility model provides a semi -automatic liquid crystal screen PCB anti -arching locking fixture, including bottom plate, clamping plate and anti -arching subassembly, clamping plate sets up in the bottom plate top, anti -arching subassembly sets up in the clamping plate top, and anti -arching subassembly includes support frame, drive cylinder and pressing plate, The support frame is fixedly connected with the clamping plate and located on the top of the clamping plate, the drive cylinder is fixedly connected with the support frame and located on the top of the support frame, and the pressing plate is fixedly connected with the drive cylinder and located on the side of the drive cylinder away from the support frame.

2. The semi-automatic liquid crystal panel PCB anti-curling locking fixture according to claim 1, wherein ； The pressing plate includes a pressing plate body, a rubber pad, and an extension rod, the pressing plate body is fixedly connected with the output end of the drive cylinder and located on the side of the drive cylinder away from the support frame, the extension rod is fixedly connected with the pressing plate body and located on one side of the pressing plate body, and the rubber pad is arranged at the bottom of the pressing plate body and the extension rod respectively.

3. The semi-automatic liquid crystal screen PCB anti-arching locking fixture of claim 1, wherein: The semi-automatic liquid crystal screen PCB anti-arching locking fixture further includes a sliding rod and a buffer rod, the sliding rod is fixedly connected with the output end of the drive cylinder and slidably connected with the support frame, and located between the support frame and the drive cylinder, the buffer rod is fixedly connected with the sliding rod and fixedly connected with the clamping plate, and located between the clamping plate and the sliding rod.

4. The semi-automatic LCD panel PCB anti-curling locking fixture according to claim 3, wherein ； The sliding rod includes a connecting rod and a sliding block, the connecting rod is fixedly connected with the output end of the drive cylinder and located on one side of the drive cylinder, the sliding block is fixedly connected with the connecting rod and slidably connected with the support frame, and located between the connecting rod and the support frame.

5. The semi-automatic LCD panel PCB anti-curling locking fixture according to claim 4, wherein ； The buffer rod includes a damping rod and a spring, the damping rod is fixedly connected with the connecting rod and fixedly connected with the clamping plate, and located between the clamping plate and the sliding rod, and the spring is sleeved outside the damping rod.

Images