CN216650122U

CN216650122U - Clamping fixture

Info

Publication number: CN216650122U
Application number: CN202123048039.5U
Authority: CN
Inventors: 雷振雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-31
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to a clamping jig. The clamping jig comprises a mounting plate, a clamping head and a clamping head, wherein the mounting plate comprises a first surface and a second surface which are opposite; the clamping assembly comprises a pressing piece and a control piece, the pressing piece is positioned on one side of the first surface, and the control piece is positioned on one side of the second surface and exposed out of the second surface; the control part can control the pressing part to be far away from or close to the first surface, when the pressing part is far away from the first surface, a clamping space for clamping a circuit board can be formed between the pressing part and the first surface, and when the pressing part is close to the first surface, the pressing part can be attached to the first surface. The pressing piece and the control piece are arranged on the two faces of the clamping jig respectively, one face of the control piece can be operated to control the pressing piece to open or close the clamping space on the other face, the clamping jig can be applied to an automatic production line, the dependence of the traditional clamping jig on manpower is eliminated, time and labor are saved, and the production efficiency is high.

Description

Clamping fixture

Technical Field

The utility model relates to the technical field of circuit board manufacturing, in particular to a clamping jig.

Background

Flexible Printed Circuit (FPC) has the characteristics of light weight, thin thickness, flexibility, etc., and is widely used in various electronic products. In traditional flexible circuit board course of working, on the mode that adopts artifical viscose is fixed in the tool with flexible circuit board usually to make things convenient for on next step to carry out processes such as reinforcement, gum, two-dimensional code, printing tin cream, paster components and parts, reflow soldering, AOI optical test to flexible circuit board, all processes have still need the manual work to tear the adhesive tape after having produced, take out the FPC board of having produced the completion. However, the flexible circuit board is stuck on the jig by manually taking the gummed paper, and the gummed paper is torn off after production, so that the requirement on the quality of workers is high, the precision, the speed and the quality are difficult to control, time and labor are wasted, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to control the difficulty to the precision, speed, the quality of tool about traditional flexible circuit board, and problem that production efficiency is low provides a centre gripping tool, and this centre gripping tool can adapt to automation line, and automatic trigger of going up places the accurate efficient of FPC board on centre gripping tool and carries out the centre gripping, and after surface mounting process accomplished, automatic trigger of going down takes off the FPC board is automatic from the centre gripping tool and takes off.

A clamping jig comprising:

a mounting plate comprising opposing first and second surfaces;

the clamping assembly comprises a pressing piece and a control piece, the pressing piece is positioned on one side of the first surface, and the control piece is positioned on one side of the second surface and exposed out of the second surface; the control part can control the pressing part to be far away from or close to the first surface, when the pressing part is far away from the first surface, a clamping space for clamping a circuit board can be formed between the pressing part and the first surface, and when the pressing part is close to the first surface, the pressing part can be attached to the first surface.

According to the clamping jig, the pressing piece and the control piece are respectively arranged on the two opposite surfaces of the mounting plate, and one surface of the control piece is operated to control the pressing piece to open or close the clamping space on the other surface. In an exemplary production process, a control device is arranged in the board loading machine, the control device can be triggered to enable the pressing piece to open the clamping space, at the moment, a feeding device arranged in the board loading machine can convey the circuit board into the clamping space, the control device in the board loading machine stops triggering the control device to enable the clamping space to be automatically closed, and the pressing piece presses the circuit board onto the mounting board. The clamping jig can be applied to an automatic production line, the dependence of the traditional clamping jig on manpower is eliminated, time and labor are saved, the quality control is good, and the production efficiency is high.

In one embodiment, the first surface is provided with an installation groove, the clamping jig further comprises an adjusting plate, the adjusting plate is detachably arranged in the installation groove, and one side of the adjusting plate, which faces away from the second surface, forms at least one part of the first surface.

In one embodiment, the adjusting plate includes a plurality of splicing elements detachably disposed in the moving slot, and at least part of the first surface is formed on the splicing elements.

In one embodiment, the adjusting plate further comprises a fastening block, the fastening block can be fixed in the mounting groove and used for pressing the splicing piece, and a clamping assembly is arranged on the fastening block.

In one embodiment, the adjusting plate and the mounting groove can be connected in a magnetic attraction manner; or one of the adjusting plate and the mounting groove is provided with a male hook-and-loop fastener, and the other is provided with a female hook-and-loop fastener.

In one embodiment, a moving groove is formed in the mounting plate, the clamping assembly further comprises a moving block, the pressing piece and the control piece are mounted on the moving block, and the moving block is movably arranged on the moving groove to drive the pressing piece and the control piece mounted on the moving block to move along the moving groove.

In one embodiment, the moving grooves include a first sliding groove and a second sliding groove which are oppositely disposed on two sides of the mounting plate, the moving block includes a first sliding block and a second sliding block, the first sliding groove and the second sliding groove are respectively provided with the first sliding block and the second sliding block in a moving manner, at least one of the first sliding block and the second sliding block is provided with the control element, the pressing element is mounted on the first sliding block and the second sliding block, and the first sliding block can drive the second sliding block to slide through the pressing element.

In one embodiment, the control member comprises a trigger member and an energy storage member; the trigger piece can be triggered to enable the pressing piece to be far away from the first surface, and the energy storage piece accumulates clamping force; the energy storage piece can release clamping force, so that the pressing piece is close to and attached to the first surface.

In one embodiment, the energy storage member comprises a torsion spring, the control member further comprises a rotating shaft, the trigger member is rotatably connected to the mounting plate through the rotating shaft, the torsion spring is sleeved on the rotating shaft and comprises a first fixed end and a second fixed end, the first fixed end is fixedly connected to the mounting plate, the second fixed end is fixedly connected to the trigger member, and the trigger member is fixedly connected to the pressing member; or, the energy storage piece includes the extension spring, the control still includes axis of rotation and rotating pin, the pressfitting piece passes through the axis of rotation rotate connect in on the mounting panel, the extension spring cover is located trigger on the piece, just the extension spring is located the mounting panel with between the tip of triggering the piece, trigger the piece and pass through the rotating pin rotate set up in the pressfitting piece.

In one embodiment, the pressing element can be magnetically pressed on the first surface; and/or, the quantity of centre gripping subassembly can be a plurality of, and is a plurality of the centre gripping subassembly includes first centre gripping array and second centre gripping array, the centre gripping direction of first centre gripping array with the centre gripping direction of second centre gripping array is the angle setting.

Drawings

FIG. 1 is an assembly view of a clamping fixture according to an embodiment of the present invention;

FIG. 2 is an exploded view of the mounting plate of FIG. 1 with an adjustment plate;

FIG. 3 is an exploded view of a conditioning plate including a splice according to an embodiment of the present invention;

FIG. 4 is a schematic view of FIG. 1 with the clamping space opened;

FIG. 5 is an exploded view of the control member and the pressing member shown in FIG. 1;

FIG. 6 is an exploded view of the clamping assembly of FIG. 5;

FIG. 7 is a schematic view of an energy storage member assembled by a tension spring according to an embodiment of the present invention;

FIG. 8 is an exploded view of the clamping assembly of FIG. 7;

FIG. 9 is an assembly view of a mounting plate with a moving slot according to an embodiment of the present invention;

FIG. 10 is an assembly view of the mounting plate with moving slots on both sides thereof according to one embodiment of the present invention;

FIG. 11 is an assembled view of a clamping assembly including three clamping arrays in accordance with one embodiment of the present invention.

10-clamping a fixture; 100-mounting a plate; 110-a first surface; 120-a second surface; 130-a mounting groove; 131-a groove plate; 140-a moving slot; 200-a clamping assembly; 210-a press-fit piece; 211-rotating shaft through hole; 220-a control; 221-a trigger; 2211-through hole of rotation axis; 222-an energy storage member; 222 a-torsion spring; 2221-first fixed end; 2222-second fixed end; 222 b-a tension spring; 223-a rotating shaft; 224-a rotating shaft; 225-rotation pin; 226-baffle plate; 230-a clamping space; 240-moving block; 250-a threaded connection; 300-adjusting plate; 310-a splice; 320-a fastening block; 321-a first fastening block; 322-a second fastening block; 323-fasteners; 324-threaded through hole; 400-a first clamping array; 500-a second clamping array; 600-third clamping array.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1, the present invention provides a clamping fixture 10 for clamping a circuit board. The circuit board package can be a flexible circuit board (FPC) made of a flexible material (e.g., PI as a base material) or a rigid circuit board made of a hard material (e.g., PI as a base material).

The clamping jig 10 can be adapted to an automatic production line, and specifically, an automatic board loading machine (a machine for loading the clamping jig 10) in the automatic production line is provided with a feeding device and a control device, wherein the feeding device is used for conveying a circuit board to the clamping jig 10; the control device is used for controlling whether the clamping jig 10 can clamp the circuit board or not; an automatic board discharging machine (taking out a processed circuit board from the clamping jig 10) in an automatic production line is provided with a material taking device and a control device, wherein the material taking device is used for taking out the circuit board from the clamping jig 10, and the control device is used for controlling the clamping jig 10 to release clamping of the circuit board. The feeding device and the control device can be any devices for realizing the above functions, and the specific structures of the feeding device and the control device are not repeated in this application.

The specific structure of the holding jig 10 will be described in detail with reference to the accompanying drawings.

The clamping fixture 10 comprises a mounting plate 100 and a clamping assembly 200.

The mounting plate 100 is a mounting carrier of the holding jig 10, and is used for carrying a mounted circuit board. Mounting plate 100 includes opposing first surface 110 and second surface 120. The first surface 110 is a mounting surface of the circuit board.

Referring to fig. 2, in an embodiment, the first surface 110 is provided with a mounting groove 130, the clamping fixture 100 further includes an adjusting plate 300, the adjusting plate 300 is detachably disposed in the mounting groove 130, the detachable connection manner can be, but is not limited to, a magnetic absorption connection, a snap connection, a screw connection, a hook and loop connection, and the like, and a side of the adjusting plate 300 facing away from the second surface 120 forms at least a portion of the first surface 110. In the actual process of the circuit board, the electronic components on two sides of different circuit boards are different, for example, the clamped surface of the circuit board contacting the mounting plate 100 may have electronic components (e.g., capacitors, resistors, etc.), and the clamped surface of the circuit board contacting the mounting plate 100 may also be a plane.

The adjusting plate 300 has a plurality of models, and the adjusting plate 300 of different models and the mounting plate 100 form different avoiding groove structures, and the avoiding groove structures are formed on the first surface 110 and are used for avoiding electronic components on the circuit board. During the in-service use can be according to the model of circuit board and select corresponding regulating plate 300 model setting to install in mounting groove 130, because the regulating plate 300 of different models is different with dodging the groove structure that mounting panel 100 formed to when setting up the circuit board of different models, can select to have the regulating plate 300 that corresponds and dodge the groove structure according to arranging of electronic components on the circuit board, when avoiding the centre gripping circuit board with this, damage the electronic components on the circuit board.

Referring to FIG. 3, in one embodiment, the adjusting plate 300 further includes a plurality of splicing elements 310, the plurality of splicing elements 310 are detachably disposed in the mounting groove 130, and at least a portion of the first surface 110 is formed on the splicing elements 310. At least a part of the first surface 110 refers to a space for processing the circuit board after being clamped by the clamping fixture 10.

In an embodiment, the adjusting plate 300 further includes a fastening block 320, the fastening block 320 can be fixed in the mounting groove 130, the fastening block 320 is used for pressing the splicing member 310, and the clamping assembly 200 is disposed on the fastening block 320. The fastening block 320 can adjust the position in the mounting groove according to the number of the splicers 310, and simultaneously apply a transverse pressing force to the splicers 310 for pressing the splicers 310 to prevent the splicers 310 from falling from the mounting groove 130, and meanwhile, the fastening block 320 can be further provided with a clamping assembly 200, which is the same as a clamping circuit board.

In one embodiment, the fastening block 320 and the mounting groove 130 are fixed in relative positions by a fastening member 323, and the fastening member 323 can be, but not limited to, a threaded connector, a snap, a magnetic member, and the like. Exemplarily, when the fastening member 323 is a threaded connection member, the fastening block 320 includes a first fastening block 321 and a second fastening block 322, the first fastening block 321 and the second fastening block 322 are relatively clamped at two sides of the mounting groove 130, corresponding threaded through holes 324 are respectively formed in the first fastening block 321 and the second fastening block 322, and after the first fastening block 321 and the second fastening block 322 are moved to suitable positions, the threaded connection member fixes the first fastening block 211 and the second fastening block 322 on the mounting groove 130 through the threaded through holes 324.

In one embodiment, the detachable connection of the splice 310 to the mounting slot 130 can be, but is not limited to, a magnetic attachment connection, a hook and loop connection, and the like. Wherein, at least one side of the installation groove 130 is provided with a groove plate 131 (shown as two sides are provided with the groove plates 131), the splicing member 310 is erected on the groove plate 131, when the connection mode is magnetic connection, the groove plate 131 can be a steel plate, the splicing member 310 can be a magnet, and the splicing member 310 can be magnetically adsorbed on the groove plate 131; when the connection mode is the hook and loop fastener connection, one of the splice 310 and the mounting groove 130 is provided with a hook and loop fastener male tape (the side with the burr is the hook and loop fastener male tape), and the other is provided with a hook and loop fastener female tape (the side with the fur is the hook and loop fastener female tape), and the hook and loop fastener male tape can be randomly bonded with the hook and loop fastener female tape.

Referring to fig. 4, the clamping assembly 200 is used to fix the circuit board on the mounting board 100, and is a clamping component of the clamping fixture 10. The clamping assembly 200 includes a press 210 and a control member 220.

The pressing element 210 is used for cooperating with the mounting plate 100 to clamp the circuit board, specifically, the pressing element 110 is located at a side of the first surface 110, and a clamping space 230 for clamping the circuit board can be formed between the pressing element 210 and the first surface 110. The material of the pressing member 210 may be metal, alloy or nonmetal, for example, the pressing member 210 may be an iron sheet (metal), an alloy steel sheet (alloy), a hard plastic sheet (nonmetal), and the like. It should be noted that, in order to meet the requirement of the production process, the pressing member 210 with a thickness less than 0.3mm is preferably adopted in the embodiment, so as to meet the requirement of the thickness of the clamping fixture 10 in the automated production. It will be readily understood by those skilled in the art that the preferred embodiment of the compression member 210 having a thickness of less than 0.3mm is merely a preferred embodiment and is not intended to limit the present invention.

The control member 220 is used for controlling the opening or closing of the clamping space 230, specifically, the control member 220 is located on one side of the second surface 120 and exposed out of the second surface 120, and the exposure of the control member 220 on the second surface 120 can be understood as the protrusion of the control member 220 from the second surface 120; alternatively, the second surface 120 may be exposed by the control member 220, and the control member 220 may be recessed in the second surface 120. The control member 220 can control the pressing member 210 to move away from or close to the first surface 110. When the pressing piece 210 is far away from the first surface 110, a clamping space 230 for clamping the circuit board can be formed between the pressing piece 210 and the first surface 110, and at this time, the circuit board can be conveyed to the clamping space 230 for placing; when the pressing element 210 is close to the first surface 110, the pressing element 210 can be attached to the first surface 110, and at this time, the circuit board placed in the clamping space 230 is pressed between the pressing element 210 and the mounting board 100.

Referring to fig. 5 and 6, in an embodiment, the control member 220 includes a trigger member 221 and an energy storage member 222. Wherein, the triggering member 221 can be triggered to make the pressing member 210 away from the first surface 110, and make the energy storage member 222 accumulate the clamping force; the energy storage member 222 can release the clamping force to enable the pressing member 210 to approach and abut the first surface 110. Specifically, the trigger condition of the trigger 221 may be, but is not limited to, pressing, pushing, turning, energizing, etc.; the clamping force accumulated by the energy accumulating member 222 for clamping the circuit board may be, but is not limited to, elastic force, magnetic attraction force, electromagnetic force, air attraction force, and the like. In other embodiments, the fastener 210 is normally away from the first surface 110 and the energy storage member 222 continuously accumulates clamping force (not shown). The triggering member 221 can be triggered to enable the pressing member 210 to approach the first surface 110, and at this time, the energy storage member 222 releases the clamping force, so that the pressing member 210 approaches and adheres to the first surface 110.

In one embodiment, the energy storage member 222 is an elastic member, which may be, but not limited to, a torsion spring 222a, a tension spring 222 b; when the energy accumulating member 222 is an elastic member, the clamping force for clamping the circuit board accumulated by the energy accumulating member 222 is an elastic force.

Referring to fig. 6, when the elastic member is a torsion spring 222a, the control member 220 further includes a rotating shaft 223, the rotating shaft 223 is rotatably disposed on the mounting plate 100, the trigger member 221 is rotatably connected to the mounting plate 110 through the rotating shaft 223, the trigger member 221 is provided with a rotating shaft through hole 2211 adapted to the rotating shaft 223, and the rotating shaft 223 penetrates through the rotating shaft through hole 2211 on the trigger member 221; the torsion spring 222a is sleeved on the rotating shaft 223, the torsion spring 222a includes a first fixed end 2221 and a second fixed end 2222, and when one of the first fixed end 2221 and the second fixed end 2222 is fixed, the other end is rotated to store elastic force in the torsion spring 222 a. The first fixed end 2221 is fixedly connected to the mounting plate 100, and the second fixed end 2222 is fixedly connected to the trigger 221. The trigger 221 is fixedly connected with the pressing member 210, and the fixed connection of the trigger 221 and the pressing member 210 may be integrally formed or detachably connected. Specifically, in actual use, the control device can rotate the trigger 221 and the second fixed end 2222 of the torsion spring 222a by pressing the trigger 221, so that the torsion spring 222a accumulates elastic force. At this time, the pressing member 210 is driven by the trigger 221 to open the clamping space 230, so that the circuit board can be placed in the clamping space, and after the trigger 221 stops being pushed, the elastic force accumulated by the torsion spring 222a is released, so as to press the circuit board.

Referring to fig. 7 and 8, when the elastic element is a tension spring 222b, the control element 200 further includes a rotating shaft 224 and a rotating pin 225, the rotating shaft 224 is rotatably disposed on the mounting plate 100, the pressing element 210 is rotatably connected to the mounting plate 100 through the rotating shaft 224, the pressing element 210 is provided with a rotating pin through hole 211 matched with the rotating pin 225, and the rotating pin 225 penetrates through the rotating shaft through hole 211 on the pressing element 210; the tension spring 222b is sleeved on the trigger 221, the trigger 221 is further provided with a blocking piece 226, one end of the tension spring 222b abuts against the blocking piece 226, and the other end abuts against the mounting plate 100. The pressing member 210 is rotatably connected to the triggering member 221 by a rotating pin 225. Specifically, in actual use, the control device can cause the tension spring 222b to accumulate elastic force by pressing the trigger 221, and since the trigger 226 is rotatably provided to the pressing member 210 through the rotating pin 225, the pressing member 210 rotates around the rotating shaft 224 at this time, the clamping space 230 is opened, and the circuit board can be placed therein, and after the control device stops pressing the trigger 221, the elastic force accumulated by the tension spring 222b is released, and the circuit board is pressed.

In one embodiment, the pressing member 210 can be magnetically attracted and pressed on the first surface 110. Wherein, the pressing member 210 is provided with a first magnetic attraction member, the mounting plate 100 is provided with a second magnetic attraction member, and the first magnetic attraction member can be attracted to the second magnetic attraction member. The control member 200 may only include the triggering member 221, the triggering member 221 is fixedly connected with the pressing member 210, and the manner of fixedly connecting the triggering member 221 with the pressing member 210 may be integrally formed or detachably connected. Specifically, in practical use, the control device can make the pressing element 210 away from the first surface 110 by triggering the trigger element 221, open the clamping space 230, and place the circuit board therein, at which time magnetic attraction is accumulated between the pressing element 210 and the first surface 110. After the control device stops triggering the trigger 221, the magnetic attraction between the pressing member 210 and the first surface 110 is released, so as to press the circuit board. In this embodiment, the control member 220 does not need to have the energy storage member 222, and only needs the trigger member 221. In other embodiments, while the pressing member 210 can be magnetically pressed on the first surface, the control member 220 further has an energy storage member 222 to enhance the clamping force.

In the clamping fixture 10, the pressing member 210 and the control member 220 are respectively disposed on two opposite surfaces of the mounting plate 100, and one surface of the control member 220 is operated to control the pressing member 210 to open or close the clamping space 230 on the other surface. In an exemplary production process, a control device is disposed in the board loading machine, and is capable of triggering one side of the control member 220 to open the clamping space 230 while the pressing member 210 opens the clamping space 230, at this time, a feeding device disposed in the board loading machine is capable of conveying the circuit board into the clamping space 230, the control device in the board loading machine stops triggering one side of the control member 220 to automatically close the clamping space 230, and the pressing member 210 presses the circuit board onto the mounting board 100. This centre gripping tool 10 can be applied to in the automation line, breaks away from traditional centre gripping tool to artifical reliance, labour saving and time saving, and the product control is good, and production efficiency is high.

Referring to fig. 9, in an embodiment, the mounting plate 100 has a moving groove 140 formed therein, the clamping assembly 200 further includes a moving block 240, the pressing element 210 and the control element 220 are mounted on the moving block 240 (the control element 220 is mounted on the second surface 120, which is not shown in fig. 8, but refer to fig. 3), and the moving block 240 is movably disposed on the moving groove 140 to move the pressing element 210 and the control element 220 mounted on the moving block 240 along the moving groove 140. Through the cooperation of the movable groove 140 and the movable block 240, the size of the installation space for installing the circuit board can be freely adjusted to adapt to circuit boards with different sizes, and the universality of the clamping jig 10 is improved.

Referring to fig. 10, in an embodiment, the moving groove 140 includes a first sliding groove 142 and a second sliding groove 143 disposed on two sides of the mounting plate 100, the moving block 240 includes a first sliding block 243 and a second sliding block 244, the first sliding groove 142 and the second sliding groove 143 are respectively provided with the first sliding block 243 and the second sliding block 244 in a moving manner, at least one of the first sliding block 243 and the second sliding block 244 is provided with the control element 220 (the control element 220 is mounted on the second surface 120, which is not shown in fig. 10, and refer to fig. 3 above), the pressing element 210 is mounted on the first sliding block 243 and the second sliding block 244, and the first sliding block 243 can drive the second sliding block 244 to slide through the pressing element 210. Wherein, the pressing member 210 is transversely disposed on the mounting plate 100.

Referring to fig. 11, in an embodiment, the number of the clamping assemblies 200 may be multiple, and the plurality of clamping assemblies 200 includes at least one clamping array. For example, the plurality of gripper assemblies 200 comprises a first gripper 400 and a second gripper array 500, each of the first gripper 400 and the second gripper 500 comprising at least one gripper assembly 200, the gripping direction of the first gripper array 400 being arranged at an angle to the gripping direction of the second gripper array 500; alternatively, the plurality of clamping assemblies 200 further comprises a third clamping array 500, wherein the included angle between two adjacent clamping arrays is vertically arranged. The clamping assembly forms the clamping array to clamp and can enhance the clamping force of one direction, and the clamping array is arranged in different directions, so that the circuit board clamped on the clamping jig 10 can receive the clamping force from multiple directions, and the clamping firmness of the clamping jig 10 can be improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not 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. A clamping jig, comprising:

a mounting plate comprising opposing first and second surfaces;

2. The clamping fixture of claim 1, wherein the first surface defines an installation slot, the clamping fixture further comprising an adjustment plate detachably disposed in the installation slot, and a side of the adjustment plate facing away from the second surface forms at least a portion of the first surface.

3. The clamping jig of claim 2, wherein the adjustment plate comprises a plurality of splices, the plurality of splices are detachably disposed in the mounting groove, and at least a portion of the first surface is formed on the splices.

4. The clamping jig of claim 3, wherein the adjusting plate further comprises a fastening block, the fastening block can be fixed in the mounting groove, the fastening block is used for pressing a splicing piece, and the clamping assembly is arranged on the fastening block.

5. The clamping jig of claim 2, wherein the adjusting plate and the mounting groove can be magnetically connected; or one of the adjusting plate and the mounting groove is provided with a hook and loop male sticker, and the other is provided with a hook and loop female sticker.

6. The clamping jig of claim 1, wherein the mounting plate is provided with a moving groove, the clamping assembly further comprises a moving block, the pressing piece and the control piece are mounted on the moving block, and the moving block is movably arranged on the moving groove to drive the pressing piece and the control piece mounted on the moving block to move along the moving groove.

7. The clamping fixture of claim 6, wherein the moving grooves include a first sliding groove and a second sliding groove that are disposed on two sides of the mounting plate, the moving block includes a first sliding block and a second sliding block, the first sliding groove and the second sliding groove are respectively disposed with the first sliding block and the second sliding block, at least one of the first sliding block and the second sliding block is mounted with the control element, the pressing element is mounted on the first sliding block and the second sliding block, and the first sliding block can drive the second sliding block to slide through the pressing element.

8. The clamping jig of claim 1, wherein the control member comprises a trigger member and an energy storage member; the trigger piece can be triggered to enable the stitching piece to be far away from the first surface, and the energy storage piece accumulates clamping force; the energy storage piece can release clamping force, so that the pressing piece is close to and attached to the first surface.

9. The clamping jig of claim 8, wherein the energy storage member comprises a torsion spring, the control member further comprises a rotating shaft, the trigger member is rotatably connected to the mounting plate through the rotating shaft, the torsion spring is sleeved on the rotating shaft, the torsion spring comprises a first fixed end and a second fixed end, the first fixed end is fixedly connected to the mounting plate, the second fixed end is fixedly connected to the trigger member, and the trigger member is fixedly connected to the pressing member; or, the energy storage piece includes the extension spring, the control still includes axis of rotation and rotating pin, the pressfitting piece passes through the axis of rotation rotate connect in on the mounting panel, the extension spring cover is located trigger on the piece, just the extension spring is located the mounting panel with between the tip of triggering the piece, trigger the piece and pass through the rotating pin rotate set up in the pressfitting piece.

10. The clamping fixture of any one of claims 1 to 9, wherein the pressing element is capable of magnetically pressing on the first surface; and/or, the quantity of centre gripping subassembly can be a plurality of, and is a plurality of the centre gripping subassembly includes first centre gripping array and second centre gripping array, the centre gripping direction of first centre gripping array with the centre gripping direction of second centre gripping array is the angle setting.