Double-board fixing clamp structure for PCB production

Abstract

The utility model relates to the technical field of PCB (printed circuit board) production, in particular to a double-board fixing clamp structure for PCB production, which comprises a clamp body, abutting protection mechanisms are arranged on the inner wall of a rotating part and the surface of a mounting part, and positioning placement mechanisms are arranged on the inner wall of the clamp body and the surface of a PCB body. The surface of the clamping piece and the surface of the PCB body are respectively provided with an anti-loosening mechanism. According to the utility model, the phenomenon that the processing of the PCB body is influenced due to inaccurate placement of the PCB body in the use process of the fixing clamp structure is avoided, the phenomenon that the PCB body shakes in the processing process of the fixing clamp structure is avoided, and the stability of the PCB body is greatly improved; the PCB body and the mounting part can be tightly abutted and reinforced when the fixing clamp structure is used, so that the mounting part can be stably and tightly abutted and fixed on the surface of the PCB body, and meanwhile, the surface of the mounting part can be protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCB board production technical field, concretely to a double board fixed clamp structure for PCB board production. BACKGROUND

[0002] With the development of science and technology, many enterprises use mechanical hands to work, and the same is true for PCB board production, PCB board needs to be fixed during soldering, and a clamp needs to be used to clamp and fix the PCB board before PCB board production and processing, and the present needs a double board fixed clamp structure for PCB board production.

[0003] Most of the existing PCB fixing devices use screws to fix, this way of disassembling the PCB board is very time-consuming, and once the PCB board is fixed, the angle cannot be adjusted, which cannot meet the use of enterprises, in addition, the existing clamp structure also has some shortcomings to a certain extent, the accuracy requirement of the clamp structure when placing the PCB board is high, the existing clamp structure is usually inconvenient for positioning and placing the PCB board body when used, which can easily lead to the phenomenon that the fixing clamp structure is affected during use due to the inaccurate placement of the PCB board body; the stability requirement of the clamp structure when used for the PCB board is high, the anti-shaking performance of the existing clamp structure for the PCB board body needs to be further improved when used, which can easily lead to the phenomenon that the PCB board body shakes during the processing of the fixing clamp structure, greatly reducing the stability of the PCB board body; the clamp structure needs to be tightly protected between the mounting piece and the PCB board body when used, the existing clamp structure does not have good effect on tightly protecting between the mounting piece and the PCB board body, which makes the fixing clamp structure not tightly reinforced between the PCB board body and the mounting piece when used, so that the mounting piece cannot be stably tightly fixed on the surface of the PCB board body, and at the same time, the surface of the mounting piece cannot be protected. SUMMARY

[0004] The utility model aims at providing a double board fixed clamp structure for PCB board production to solve the problem that the clamp structure is usually inconvenient for positioning and placing the PCB board body when used, the anti-shaking performance of the PCB board body needs to be further improved, and the effect of tightly protecting between the mounting piece and the PCB board body is not good enough.

[0005] In order to achieve the above object, the utility model provides following technical scheme: A double board fixing clamp structure for PCB board production, including the clamp body, the surface of both sides of the clamp body is provided with the rotating piece, the surface of the rotating piece and the clamp body is mutually rotatingly matched, the inside of the clamp body all places has the PCB board body, the surface of the PCB board body places has the mounting piece, the inside of the clamp body all places has the placing plate, the placing plate is located the top of PCB board body, the inner wall of the clamp body all is provided with the clamping piece, the inner wall of the clamping piece and the clamp body is mutually rotatingly matched, the clamping piece is located the both sides of PCB board body respectively, the side of the clamping piece moves to the top of PCB board body, the inner wall of the rotating piece and the surface of the mounting piece all are provided with the abutting protection mechanism, the inside of the abutting protection mechanism contains the placing groove, the protection pad and the abutting protection component, the inner wall of the clamp body and the surface of the PCB board body all are provided with the positioning placing mechanism, the inside of the positioning placing mechanism contains the L type locating plate, the extension spring and the positioning placing component, the surface of the clamping piece and the PCB board body all are provided with the anti -unthreading mechanism, the inside of the anti -unthreading mechanism contains the clamping plate, the telescopic column, the holding groove and the firm sucking disc.

[0006] Preferably, the abutting protection component is arranged on the inner wall of the rotating piece and the surface of the mounting piece, the abutting protection component is composed of an installation clamping groove, an installation clamping block and an anti-skid protrusion, the inner wall of the rotating piece is provided with a placing groove, the placing groove is internally provided with a protection pad for protecting the surface of the PCB board body, the surfaces of the two sides of the protection pad are provided with installation clamping blocks for installing the protection pad.

[0007] Preferably, the inner wall of the rotating piece is provided with an installation clamping groove, the surface of the installation clamping groove and the installation clamping block are mutually clamped and matched, the surface of the protection pad is provided with anti-skid protrusions at equal intervals for anti-skid of the rotating piece, the surface of the anti-skid protrusion is in contact with the surface of the mounting piece.

[0008] Preferably, the positioning placing component is arranged on the inner wall of the clamp body and the surface of the PCB board body, the positioning placing component is composed of a guide groove, a limiting plate and a connecting pad, the inside of the clamp body is provided with L-shaped locating plates for limiting and placing the PCB board body, the surface of the L-shaped locating plate is threadedly fastened to the inner wall of the clamp body through a screw, and the L-shaped locating plates are respectively located on the two sides of the PCB board body.

[0009] Preferably, the inner wall of the clamp body is provided with a guide groove, the guide groove and the surface of the L-shaped locating plate are mutually slidably matched, and the inner wall of the L-shaped locating plate is provided with limiting plates for positioning the PCB board body.

[0010] Preferably, the inner wall of the limiting plate is adhered with a connecting pad, the inner wall of the connecting pad is in contact with the surface of the PCB plate body, and the inner wall of the L-shaped positioning plate is mounted with equidistantly arranged extension springs, one end of each extension spring is fixed to the surface of the limiting plate.

[0011] Preferably, the surface of the clamping piece is mounted with a telescopic column, one end of the telescopic column penetrates through the clamping piece and extends to the inner side of the clamping piece, the surface of the telescopic column is mounted with a clamping plate, and the inner wall of the clamping plate is in contact with the surface of the PCB plate body.

[0012] Preferably, the inner part of the clamping plate is provided with a containing groove, a stable suction cup for preventing the PCB plate body from shaking is mounted in the containing groove, and the surface of the stable suction cup is in contact with the surface of the PCB plate body.

[0013] Compared with the prior art, the double-plate fixing clamp structure for PCB plate production can more accurately place the PCB plate body in the inner part of the clamp body during use, avoids the phenomenon that the machining of the PCB plate body is affected due to inaccurate placement of the PCB plate body during use of the fixing clamp structure, can stably and tightly fix the PCB plate body in the inner part of the clamp body during use of the fixing clamp structure, avoids the phenomenon that the PCB plate body shakes during the machining of the fixing clamp structure, greatly improves the stability of the PCB plate body, and enables the fixing clamp structure to tightly and fixedly mount the mounting piece on the surface of the PCB plate body during use, and the surface of the mounting piece can be protected.

[0014] 1. The positioning and placing mechanism is arranged, the user loosens the screws on the surface of the L-shaped positioning plate, pulls the L-shaped positioning plate in the inner part of the clamp body, the L-shaped positioning plate slides in the guide groove, the L-shaped positioning plate is guided under the action of the guide groove, the user tightens the screws when the L-shaped positioning plate moves to the specified position, fixes the L-shaped positioning plate in the inner part of the clamp body, the placing position of the PCB plate body is positioned under the action of the L-shaped positioning plate, the limiting plate and the connecting pad move under the action of the elastic force of the extension spring in the L-shaped positioning plate, the limiting plate drives the connecting pad to contact the surface of the PCB plate body, the placing position of the PCB plate body is positioned under the joint action of the limiting plate and the connecting pad, the function of positioning and placing the PCB plate body by the fixing clamp structure is realized, and therefore the fixing clamp structure can more accurately place the PCB plate body in the inner part of the clamp body during use, avoids the phenomenon that the machining of the PCB plate body is affected due to inaccurate placement of the PCB plate body during use of the fixing clamp structure.

[0015] 2、By setting has anti -unthreading mechanism, the user rotates the clamping piece inside the clamp body respectively, so that one end of the clamping piece rotates to the upper of PCB plate body, at this moment, under the elastic force of the telescopic column on the surface of the clamping piece, the clamping plate is driven to move downward, so that the telescopic column drives the clamping plate to move downward to contact with the surface of PCB plate body, under the effect of the stable suction disc inside the holding tank, the clamping plate and the stable suction disc are consolidated between the PCB plate body, under the effect of the clamping plate and the stable suction disc, the PCB plate body is tightly pressed in the inside of the clamp body, avoid the clamping piece to appear unthreading after long time use and lead to the phenomenon that the clamping of PCB plate body is not stable enough, realize the function of the surface anti-shaking of the fixed clamp structure to the PCB plate body, so that the fixed clamp structure can stably press and fix the PCB plate body in the inside of the clamp body when using, avoid the phenomenon that the PCB plate body shakes in the process of the fixed clamp structure processing, greatly improve the stability of the PCB plate body;

[0016] 3、By setting has tightly pressed protection mechanism, the user places the protection pad in the inside of the placing groove, so that the protection pad drives the installation block to be clamped to the inside of the installation card groove, under the joint action of the installation block and the installation card groove, the protection pad is installed in the inside of the placing groove, under the effect of the protection pad, the surface of the installation piece can be protected, under the effect of the anti-skid convex, the rotation piece and the installation piece are clamped more stably, so that the installation piece can stably press and fix on the surface of the PCB plate body, realize the function of the tightly pressed protection between the fixed clamp structure and the installation piece and the PCB plate body, so that the fixed clamp structure can tightly reinforce between the PCB plate body and the installation piece when using, so that the installation piece can stably press and fix on the surface of the PCB plate body, at the same time, the surface of the installation piece can be protected. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is overhead section structure schematic view of the utility model;

[0019] Figure 3 It is front view section structure schematic view of the utility model;

[0020] Figure 4 It is the utility model's Figure 2 Tightly pressed protection mechanism's enlarged structure schematic view;

[0021] Figure 5 It is the utility model's Figure 2 Positioning placing mechanism's enlarged structure schematic view;

[0022] Figure 6 It is the utility model's Figure 3Enlarged structural diagram of the anti-loosening mechanism.

[0023] In the diagram: 1. Fixture body; 101. Rotating component; 102. PCB board body; 103. Mounting component; 104. Placement plate; 105. Clamping component; 2. Pressing and protective mechanism; 21. Placement slot; 22. Protective pad; 23. Pressing and protective assembly; 231. Mounting slot; 232. Mounting block; 233. Anti-slip protrusion; 3. Positioning and placement mechanism; 31. L-shaped positioning plate; 32. Extension spring; 33. Positioning and placement assembly; 331. Guide slot; 332. Limiting plate; 333. Connecting pad; 4. Anti-loosening mechanism; 41. Clamping plate; 42. Telescopic column; 43. Container slot; 44. Stabilizing suction cup. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. In addition, the terms "first", "second", "third", "upper", "lower", "left", "right", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance. At the same time, in the description of the present utility model, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0025] This utility model provides a structure for a double-plate fixing clamp for PCB board production, as follows: Figure 1 and Figure 2 As shown, the fixture includes a fixture body 1. Rotating members 101 are provided on both sides of the fixture body 1. The rotating members 101 rotate and cooperate with the surfaces of the fixture body 1. A PCB board body 102 is placed inside the fixture body 1. A mounting member 103 is placed on the surface of the PCB board body 102. A placement plate 104 is placed inside the fixture body 1. The placement plate 104 is located above the PCB board body 102. Clamping members 105 are provided on the inner wall of the fixture body 1. The clamping members 105 rotate and cooperate with the inner wall of the fixture body 1. The clamping members 105 are located on both sides of the PCB board body 102. One side of the clamping member 105 moves to the top of the PCB board body 102.

[0026] Furthermore, such as Figure 2 and Figure 4As shown, the inner wall of the rotating piece 101 and the surface of the mounting piece 103 are provided with abutting protection mechanisms 2, the inside of the abutting protection mechanism 2 contains a placing groove 21, a protection pad 22 and an abutting protection assembly 23, the abutting protection assembly 23 is arranged on the inner wall of the rotating piece 101 and the surface of the mounting piece 103, the abutting protection assembly 23 is composed of a mounting clamping groove 231, a mounting clamping block 232 and an anti-skid protrusion 233, the inner wall of the rotating piece 101 is provided with a placing groove 21, the inside of the placing groove 21 is placed with a protection pad 22 for protecting the surface of the PCB board body 102, the surface of both sides of the protection pad 22 is provided with a mounting clamping block 232 for mounting the protection pad 22, the inner wall of the rotating piece 101 is provided with a mounting clamping groove 231, the surface of the mounting clamping groove 231 and the mounting clamping block 232 are mutually clamped and matched, the surface of the protection pad 22 is provided with anti-skid protrusions 233 at equal intervals for anti-skid of the rotating piece 101, the surface of the anti-skid protrusion 233 is in contact with the surface of the mounting piece 103.

[0027] In implementation, the user places the protection pad 22 in the inside of the placing groove 21, so that the protection pad 22 drives the mounting clamping block 232 to be clamped into the inside of the mounting clamping groove 231, under the joint action of the mounting clamping block 232 and the mounting clamping groove 231, the protection pad 22 is mounted in the inside of the placing groove 21, under the action of the protection pad 22, the surface of the mounting piece 103 can be protected, under the action of the anti-skid protrusion 233, the clamping between the rotating piece 101 and the mounting piece 103 is more stable, so that the mounting piece 103 can be stably abutted on the surface of the PCB board body 102, to realize the function of abutting protection between the mounting piece 103 and the PCB board body 102 by the fixed clamp structure.

[0028] Further, as shown in Figure 2 and Figure 5As shown, the inner wall of the clamp body 1 and the surface of the PCB plate body 102 are provided with the positioning and placing mechanism 3, the inside of the positioning and placing mechanism 3 contains the L-shaped positioning plate 31, the extension spring 32 and the positioning and placing assembly 33, the positioning and placing assembly 33 is arranged on the inner wall of the clamp body 1 and the surface of the PCB plate body 102, and is composed of the guide groove 331, the limiting plate 332 and the connecting pad 333. The inner wall of the clamp body 1 is provided with the L-shaped positioning plate 31 for limiting and placing the PCB plate body 102. The surface of the L-shaped positioning plate 31 is threadedly fastened with the inner wall of the clamp body 1. The L-shaped positioning plate 31 is respectively located on the two sides of the PCB plate body 102. The inner wall of the clamp body 1 is provided with the guide groove 331. The guide groove 331 and the surface of the L-shaped positioning plate 31 are slidably connected. The inner wall of the L-shaped positioning plate 31 is provided with the limiting plate 332 for positioning the PCB plate body 102. The inner wall of the limiting plate 332 is adhered with the connecting pad 333. The inner wall of the connecting pad 333 is in contact with the surface of the PCB plate body 102. The inner wall of the L-shaped positioning plate 31 is mounted with the extension spring 32 at equal intervals. One end of the extension spring 32 is fixedly connected with the surface of the limiting plate 332.

[0029] In implementation, the user unscrews the screw on the surface of the L-shaped positioning plate 31, and then pulls the L-shaped positioning plate 31 in the clamp body 1, so that the L-shaped positioning plate 31 slides in the guide groove 331. The L-shaped positioning plate 31 is guided under the action of the guide groove 331. When the L-shaped positioning plate 31 moves to the specified position, the user tightens the screw to fix the L-shaped positioning plate 31 in the clamp body 1. At this time, the placement position of the PCB plate body 102 is positioned under the action of the L-shaped positioning plate 31. The limiting plate 332 and the connecting pad 333 are driven to move under the elastic force of the extension spring 32 in the L-shaped positioning plate 31, so that the limiting plate 332 drives the connecting pad 333 to move to be in contact with the surface of the PCB plate body 102. The placement position of the PCB plate body 102 is positioned under the joint action of the limiting plate 332 and the connecting pad 333, so as to realize the function of positioning and placing the PCB plate body 102 by the fixed clamp structure.

[0030] Further, as shown in FIG. 8, the inner wall of the clamp body 1 is provided with the positioning and placing mechanism 3, and the positioning and placing mechanism 3 is composed of the L-shaped positioning plate 31, the extension spring 32 and the positioning and placing assembly 33. Figure 3 and Figure 6As shown, the clamping piece 105 and the surface of the PCB body 102 are provided with anti-loosening mechanisms 4, the inside of the anti-loosening mechanism 4 contains clamping plates 41, telescopic columns 42, containing grooves 43 and stable suction cups 44, the surface of the clamping piece 105 is provided with telescopic columns 42, one end of the telescopic column 42 penetrates through the clamping piece 105 and extends to the inside of the clamping piece 105, the surface of the telescopic column 42 is provided with clamping plates 41, the inner wall of the clamping plate 41 is in contact with the surface of the PCB body 102, the inside of the clamping plate 41 is provided with containing grooves 43, the inside of the containing groove 43 is provided with stable suction cups 44 for preventing the PCB body 102 from shaking, the surface of the stable suction cup 44 is in contact with the surface of the PCB body 102.

[0031] In implementation, the user rotates the clamping piece 105 inside the clamp body 1 respectively, so that one end of the clamping piece 105 is rotated above the PCB body 102, at this time, the clamping plate 41 is driven to move downward under the elastic force of the telescopic column 42 on the surface of the clamping piece 105, so that the telescopic column 42 drives the clamping plate 41 to move downward to contact with the surface of the PCB body 102, the stable suction cup 44 in the containing groove 43 is used to reinforce the clamping plate 41 and the PCB body 102, the PCB body 102 is tightly pressed in the inside of the clamp body 1 under the joint action of the clamping plate 41 and the stable suction cup 44, avoiding the phenomenon that the clamping piece 105 is loosened after long time use, which causes the clamping of the PCB body 102 to be not stable enough, so as to realize the function of the fixed clamp structure preventing the surface of the PCB body 102 from shaking.

[0032] Working principle: in use, first of all, the fixture body 1 is placed in the specified position, the user places the PCB board body 102 in the inside of the fixture body 1 respectively, the user unscrews the screw on the surface of the L-shaped positioning plate 31, pulls the L-shaped positioning plate 31 in the inside of the fixture body 1, makes the L-shaped positioning plate 31 slide in the inside of the guide groove 331, under the action of the guide groove 331, the L-shaped positioning plate 31 is guided, when the L-shaped positioning plate 31 moves to the specified position, the user tightens the screw, fixes the L-shaped positioning plate 31 in the inside of the fixture body 1, at this time, under the action of the L-shaped positioning plate 31, the placement position of the PCB board body 102 is positioned, under the elastic force of the spring 32 in the inside of the L-shaped positioning plate 31, the limiting plate 332 and the connecting pad 333 are driven to move, so that the limiting plate 332 drives the connecting pad 333 to move to contact with the surface of the PCB board body 102, under the joint action of the limiting plate 332 and the connecting pad 333, the placement position of the PCB board body 102 is positioned, so as to realize the function of the fixed clamp structure positioning and placing the PCB board body 102, so that the fixed clamp structure can place the PCB board body 102 more accurately in the inside of the fixture body 1 in use, avoids the phenomenon that the fixed clamp structure affects the processing of the PCB board body 102 due to inaccurate placement in use.

[0033] Subsequently, the user rotates the clamping piece 105 in the inside of the fixture body 1 respectively, so that one end of the clamping piece 105 rotates to the upper side of the PCB board body 102, at this time, under the elastic force of the telescopic column 42 on the surface of the clamping piece 105, the clamping plate 41 is driven to move downward, so that the telescopic column 42 drives the clamping plate 41 to move downward to contact with the surface of the PCB board body 102, under the action of the stable suction cup 44 in the holding groove 43, the clamping plate 41 and the PCB board body 102 are reinforced, under the joint action of the clamping plate 41 and the stable suction cup 44, the PCB board body 102 is tightly pressed in the inside of the fixture body 1, avoids the phenomenon that the clamping piece 105 is loose after long time use, which leads to unstable clamping of the PCB board body 102, so as to realize the function of the fixed clamp structure preventing the surface of the PCB board body 102 from shaking, so that the fixed clamp structure can stably press and fix the PCB board body 102 in the inside of the fixture body 1 in use, avoids the phenomenon that the PCB board body 102 shakes in the processing process of the fixed clamp structure, greatly improves the stability of the PCB board body 102.

[0034] Subsequently, the user places the mounting piece 103 at the designated position on the surface of the PCB plate body 102, and rotates the rotating piece 101 on the surface of the clamp body 1 respectively, so that one end of the rotating piece 101 moves above the mounting piece 103, the user places the protective pad 22 inside the placing groove 21, so that the protective pad 22 drives the mounting block 232 to be clamped into the mounting slot 231, the protective pad 22 is installed inside the placing groove 21 under the cooperation of the mounting block 232 and the mounting slot 231, the surface of the mounting piece 103 can be protected under the action of the protective pad 22, the rotating piece 101 and the mounting piece 103 are clamped more stably under the action of the anti-skid protrusion 233, so that the mounting piece 103 can be stably abutted on the surface of the PCB plate body 102, so as to realize the abutting protection function of the fixed clamp structure between the mounting piece 103 and the PCB plate body 102, so that the fixed clamp structure can abut and reinforce between the PCB plate body 102 and the mounting piece 103 when in use, so that the mounting piece 103 can be stably and fixedly abutted on the surface of the PCB plate body 102, and the surface of the mounting piece 103 can be protected, then the user places the placing plate 104 above the PCB plate body 102 respectively, and places the clamp body 1 in the processing machine, processes the surface of the PCB plate body 102, and finally completes the use of the clamp structure.

[0035] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A double board fixing jig structure for PCB board production, comprising a jig body (1), characterized in that: The surface of both sides of the clamp body (1) is provided with a rotating part (101), the rotating part (101) and the surface of the clamp body (1) are rotatably matched with each other, the inside of the clamp body (1) is placed with a PCB board body (102), the surface of the PCB board body (102) is placed with a mounting part (103), the inside of the clamp body (1) is placed with a placing plate (104), the placing plate (104) is located above the PCB board body (102), the inner wall of the clamp body (1) is provided with a clamping part (105), the clamping part (105) and the inner wall of the clamp body (1) are rotatably matched with each other, the clamping part (105) is located on both sides of the PCB board body (102) respectively, one side of the clamping part (105) moves above the PCB board body (102), the inner wall of the rotating part (101) and the surface of the mounting part (103) are provided with abutting protection mechanism (2), the inside of the abutting protection mechanism (2) contains a placing groove (21), a protection pad (22) and an abutting protection assembly (23), the inner wall of the clamp body (1) and the surface of the PCB board body (102) are provided with a positioning placing mechanism (3), the inside of the positioning placing mechanism (3) contains an L-shaped positioning plate (31), an extension spring (32) and a positioning placing assembly (33), the surface of the clamping part (105) and the surface of the PCB board body (102) are provided with an anti-loosening mechanism (4), the inside of the anti-loosening mechanism (4) contains a clamping plate (41), a telescopic column (42), a containing groove (43) and a stable suction cup (44).

2. The double board fixing clamp structure for PCB board production according to claim 1, characterized in that: The abutting protection assembly (23) is arranged on the inner wall of the rotating part (101) and the surface of the mounting part (103), the abutting protection assembly (23) is composed of a mounting clamping groove (231), a mounting clamping block (232) and an anti-skid protrusion (233), the inner wall of the rotating part (101) is provided with a placing groove (21), the inside of the placing groove (21) is placed with a protection pad (22) for protecting the surface of the PCB board body (102), the surface of both sides of the protection pad (22) is provided with a mounting clamping block (232) for mounting the protection pad (22).

3. The double board fixing clamp structure for PCB board production according to claim 1, characterized in that: The inner wall of the rotating part (101) is provided with a mounting clamping groove (231), the mounting clamping groove (231) and the surface of the mounting clamping block (232) are mutually clamped and matched, the surface of the protection pad (22) is provided with equidistant anti-skid protrusions (233) for preventing the rotating part (101) from slipping, the surface of the anti-skid protrusion (233) is in contact with the surface of the mounting part (103).

4. The double board fixing clamp structure for PCB board production according to claim 1, characterized in that: The positioning and placing assembly (33) is arranged on the inner wall of the clamp body (1) and the surface of the PCB plate body (102), and is composed of a guide groove (331), a limiting plate (332) and a connecting pad (333).

5. The double board fixing clamp structure for PCB board production according to claim 1, characterized in that: The inner wall of the clamp body (1) is provided with an L-shaped positioning plate (31) for limiting and placing the PCB plate body (102), and the surface of the L-shaped positioning plate (31) is threadedly fastened with the inner wall of the clamp body (1).

6. The double board fixing clamp structure for PCB board production according to claim 5, characterized in that: The inner wall of the L-shaped positioning plate (31) is provided with a limiting plate (332) for positioning the PCB plate body (102).

7. The double board fixing clamp structure for PCB board production according to claim 1, characterized in that: The inner wall of the limiting plate (332) is attached with a connecting pad (333), the inner wall of the connecting pad (333) is in contact with the surface of the PCB plate body (102), and the inner wall of the L-shaped positioning plate (31) is mounted with equidistant extension springs (32), one end of the extension spring (32) is fixed with the surface of the limiting plate (332).

8. The double board fixing clamp structure for PCB board production according to claim 7, characterized in that: The surface of the clamping piece (105) is mounted with a telescopic column (42), one end of the telescopic column (42) penetrates through the clamping piece (105) and extends to the inner side of the clamping piece (105), the surface of the telescopic column (42) is mounted with a clamping plate (41), and the inner wall of the clamping plate (41) is in contact with the surface of the PCB plate body (102). The inner wall of the clamping plate (41) is provided with a containing groove (43), the inner wall of the containing groove (43) is mounted with a stable suction cup (44) for preventing the PCB plate body (102) from shaking, and the surface of the stable suction cup (44) is in contact with the surface of the PCB plate body (102).

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