Electroplating clamp for electroplating nickel gold production

Abstract

The electroplating clamp comprises a clamp assembly, a clamping mechanism and an adjusting assembly, the clamp assembly is composed of a main plate and a side plate, a sleeve plate is fixedly installed on the back face of the main plate, the back face of the side plate is fixedly connected with a T-shaped plate, the T-shaped plate is movably connected into a guide plate in a sleeved mode, and the guide plate is fixedly connected with one end of a movable rod; a limiting mechanism is arranged at the joint of the side plate and the T-shaped plate, the clamping mechanism is composed of a transverse rod and an angle plate, the transverse rod is fixedly connected to the surface of the main plate, the side surface of the transverse rod is rotationally connected with a clamping plate of a bent structure, and the adjusting assembly is composed of a driving shaft and a rack. The distance between the main board and the side board can be adjusted according to the size of the circuit board, stable limiting of the two ends of the circuit board is ensured, stable clamping of the clamping plates is matched, it is ensured that the distance between the multiple circuit boards meets the electroplating requirement, the clamp can adapt to the circuit boards of different sizes and shapes, it is ensured that the circuit boards on the adjacent clamps are not interfered, and the electroplating effect is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to an electroplating fixture, in particular to an electroplating fixture for electro-nickel-gold production. BACKGROUND

[0002] Electro-nickel-gold generally refers to the process of depositing a nickel layer and a gold layer on the surface of a substrate through an electroplating process, and is widely used in the fields of electronics, jewelry, industry, etc.

[0003] In the electro-nickel-gold production process, the electroplating fixture (also known as a hanger or tooling fixture) is a key tool for ensuring stable fixation of workpieces, uniform current conduction, and efficient production, and its design and use directly affect the quality of the plating layer, production efficiency, and cost. The function of the electroplating fixture is to ensure the stable position of the workpiece to be plated in the electroplating solution, avoid shaking or falling off, and provide uniform current distribution to ensure the consistency of the plating layer thickness, which can avoid non-electroplated areas from being plated (such as through insulation treatment), and achieve mass production through optimization of the clamping method.

[0004] Currently, electro-nickel-gold production is more commonly used in the electronics industry. In order to improve the efficiency of electro-nickel-gold plating processing of circuit boards, multiple circuit boards may need to be arranged on the electroplating fixture to improve the electroplating efficiency. However, due to the different sizes of different types of circuit boards, the electroplating fixture is not easy to effectively fix different sizes of circuit boards, and although the larger circuit boards can be fixed after adjustment, in the electroplating process, the current distribution may be unbalanced due to too small spacing or too close arrangement, resulting in a "shielding effect" that affects the quality of the plating layer, production efficiency, and equipment safety. Moreover, after adjustment, the size of the electroplating fixture increases, which may interfere with adjacent electroplating fixtures, affecting the electroplating effect.

[0005] Therefore, the present application proposes a technical solution of an electroplating fixture that can achieve better electroplating effect. SUMMARY

[0006] In view of the technical problems existing in the prior art, the present application aims to provide an electro-nickel-gold production electroplating fixture that can solve the technical problem of poor electro-nickel-gold plating effect caused by batch production of the electroplating fixture.

[0007] Specifically, the present application solves the above technical problems by the following technical solutions: According to one aspect of the present application, an electro-nickel-gold production electroplating fixture is provided, characterized in that it comprises: The utility model discloses a clamp assembly, the clamp assembly is composed of main plate and side plate, the back surface fixed mounting of main plate has the sleeve board, the back surface fixed connection of side plate and T type board, the T type board activity sleeve is connected to the inside of guide plate, the guide plate is fixedly connected with the one end of movable rod, and the movable rod other end is with sleeve board inside activity sleeve, the side plate and T type board junction is equipped with limiting mechanism, and the both sides of main plate are all with the close -fit connection of limiting mechanism, The utility model discloses a clamping mechanism, the clamping mechanism is composed of cross bar and angle board, the cross bar fixed connection is to the surface of main plate, and the cross bar side surface rotatory connection has the clamping plate of bending structure, the clamping plate symmetry sets up in the one side of main plate, and clamping plate adjacent end all are with push board contact, The utility model discloses an adjusting assembly, the adjusting assembly is set up in the back surface of main plate, the adjusting assembly is composed of drive shaft and rack, the drive shaft is rotatory connected with the middle part of back surface of main plate, the rack is fixedly connected with one end of T type board, and the rack is driven connection through linkage mechanism with drive shaft.

[0008] Further, the back surface of the main plate is provided with two symmetrically distributed sleeve plates, each sleeve plate is slidably connected with a flat structure movable rod inside, the opposite side edges of the two movable rods are provided with anti-skid teeth, one side of the top of the sleeve plate is fixedly connected with a U-shaped structure fixing block, a notch for bolt movement is formed in the sleeve plate corresponding to the fixing block, the middle part of the fixing block is threadedly connected with a bolt, the end of the bolt is movably connected with a stop block arranged in the notch, and the stop block is correspondingly distributed with the anti-skid teeth for locking after the movable rod moves.

[0009] Further, the limiting mechanism is composed of a vertical plate and a positioning plate, the vertical plate is fixedly connected with the guide plate and the T-shaped plate at both ends respectively, the vertical plate is fixedly connected with the positioning plate at both ends on one side, the positioning plate is symmetrically arranged on both sides of the main plate, a U-shaped structure guide plate is fixedly connected to the middle part of the other side of the vertical plate, and the vertical plate and the guide plate are slidably attached to the back surface of the main plate, two hooks are arranged on the back surface of the guide plate of the top plate, and the two hooks are symmetrically arranged on both sides of the linkage mechanism.

[0010] Further, the upper and lower ends of the main plate are fixedly connected with sleeve shafts, the inside of the sleeve shafts at both ends is movably sleeved with movable shafts, the adjacent ends of the two movable shafts are fixedly connected with the two ends of the springs respectively, and the other ends of the two movable shafts are fixedly connected with the stop rods, the number of the stop rods is four, and each stop rod is arranged between the side plate and the main plate.

[0011] Further, the number of the cross bars is four, the four cross bars are uniformly distributed to the four sides of the front side of the main plate, the adjacent sides of the cross bar and the inner wall of the corner plate are fixedly connected with the protection pads arranged correspondingly, each cross bar is provided with a V-shaped clamping plate, one side of each clamping plate is fixedly connected with a strip-shaped pressing pad, the four sides of the front side of the main plate are formed with second bonding areas located outside the cross bars, and the second bonding areas are correspondingly distributed with the pressing pads.

[0012] Further, the front sides of the main plate and the four side plates are located in the same plane, the edges of each side plate are provided with a corner plate, the inner side of the corner plate is provided with a side edge for limiting the circuit board, the front side of each side plate is formed with a first bonding area located inside the corner plate, and the first bonding areas are correspondingly distributed with the second bonding areas.

[0013] Further, the main plate is in a strip-shaped structure, the two ends of the main plate are fixedly connected with guide rods, each guide rod is inserted through the inside of a push plate, the middle part of the push plate is threadedly connected with a screw rod, the screw rod is rotatably connected with the inside of the main plate, the cross section of the push plate is in an isosceles trapezoidal structure, and the two side slopes of the push plate are in contact with the clamping plates.

[0014] Further, the two ends of the guide plate are both provided with T-shaped plates inside, the adjacent ends of the two T-shaped plates are both connected with oppositely arranged racks, the two racks are located inside the guide plate, and the two racks are meshingly connected with a gear.

[0015] Further, the linkage mechanism is composed of transmission shafts, the surfaces of the transmission shafts are fixedly connected with flat keys, the flat keys are slidably connected with the key grooves formed in the inner walls of the driving shafts, the number of the transmission shafts is two, and the two transmission shafts are movably sleeved with the two ends of the driving shafts respectively.

[0016] Further, the middle part of the driving shaft is fixedly connected with a first worm gear, the first worm gear is meshingly connected with a first worm, one end of the first worm is rotatably connected with the middle part of the main plate, the other end of the first worm is fixedly connected with a handle, the end part of the transmission shaft is fixedly connected with a second worm, the second worm is coaxially fixedly connected with the gear, the gear and the second worm are located on the inner and outer sides of the guide plate respectively, the middle part of the guide plate is fixedly connected with a housing, the housing is rotatably connected with the transmission shaft, and the second worm and the second worm gear are located inside the housing.

[0017] According to the application, at least the following beneficial effects are achieved: The electroplating fixture for nickel gold production provided by the application can realize the fixation of multiple circuit boards during electroplating of nickel gold through the cooperation of the fixture assembly and the clamping mechanism, realize the limiting of the limiting plate through the cooperation of the cross rod and the angle plate, adjust the distance between the main plate and the side plate according to the size of the circuit board, ensure the stable limiting of the two ends of the circuit board, realize the stable clamping through the rotation of the clamping plate, improve the stability during fixation, ensure that the distance between multiple circuit boards during simultaneous fixation meets the electroplating requirements, effectively prevent the interference of the connected circuit boards during electroplating, improve the electroplating effect, improve the applicability of the electroplating fixture through the adaptation of circuit boards of different sizes and shapes, prevent the problem of too close distance between adjacent electroplating fixtures through the limiting mechanism, limit the electroplating fixture after adjustment, ensure that the circuit boards on the adjacent fixtures are not interfered, improve the use effect of the electroplating fixture, and have the functions of convenient adjustment and easy fixation, reduce the production difficulty, and effectively improve the electroplating efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a schematic diagram of the overall three-dimensional structure of the electroplating fixture for nickel gold production according to an embodiment of the application.

[0019] Figure 2 FIG. 2 is a schematic diagram of the front view structure of the electroplating fixture for nickel gold production according to an embodiment of the application.

[0020] Figure 3 FIG. 3 is a schematic diagram of the partial three-dimensional structure of the push plate of the electroplating fixture for nickel gold production according to an embodiment of the application.

[0021] Figure 4 FIG. 4 is a schematic diagram of the partial three-dimensional structure of the shell of the electroplating fixture for nickel gold production according to an embodiment of the application. Figure 3 FIG. 5 is a schematic diagram of the partial enlarged structure at position A in FIG. 4.

[0022] Figure 5 FIG. 6 is a schematic diagram of the partial three-dimensional structure of the main plate of the electroplating fixture for nickel gold production according to an embodiment of the application.

[0023] Figure 6 FIG. 7 is a schematic diagram of the partial three-dimensional structure of the screw rod of the electroplating fixture for nickel gold production according to an embodiment of the application. Figure 5 FIG. 8 is a schematic diagram of the partial enlarged structure at position B in FIG. 7.

[0024] Figure 7 FIG. 9 is a schematic diagram of the partial three-dimensional structure of the drive shaft of the electroplating fixture for nickel gold production according to an embodiment of the application.

[0025] Figure 8 FIG. 10 is a schematic diagram of the partial three-dimensional structure of the drive shaft of the electroplating fixture for nickel gold production according to an embodiment of the application.

[0026] Figure 9 FIG. 11 is a schematic diagram of the partial enlarged structure at the drive shaft of the electroplating fixture for nickel gold production according to an embodiment of the application.

[0027] Figure 10 This is a partially enlarged structural diagram of the main board of an electroplating fixture for producing nickel-gold according to an embodiment of the present invention.

[0028] Explanation of reference numerals in the attached figures 100. Clamp assembly; 101. Main board; 102. Sleeve plate; 103. Movable rod; 104. Anti-slip teeth; 105. Guide plate; 106. Side plate; 107. T-shaped plate; 108. Vertical plate; 109. Positioning plate; 110. Guide plate; 111. Fixing block; 112. Bolt; 113. Hook; 114. Sleeve shaft; 115. Movable shaft; 116. Spring; 117. Support rod; 200. Clamping mechanism; 201. Crossbar; 202. Protective pad; 203. Clamping plate; 204. Pressure pad; 205. Guide rod; 206. Push plate; 207. Screw; 208. Angle plate; 209. Side; 210. First contact area; 211. Second contact area; 300. Adjustment component; 301. Drive shaft; 302. First worm gear; 303. First worm; 304. Transmission shaft; 305. Flat key; 306. Second worm; 307. Housing; 308. Second worm gear; 309. Gear; 310. Rack. Detailed Implementation

[0029] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. However, this description is exemplary and the present invention is not limited to these specific embodiments.

[0030] like Figures 1-10As shown, the electroplating fixture for electro-nickel-gold production provided by the present application comprises a fixture assembly 100 composed of a main plate 101 and a side plate 106, the back surface of the main plate 101 is fixedly installed with a sleeve plate 102, the back surface of the side plate 106 is fixedly connected with a T-shaped plate 107, the T-shaped plate 107 is movably sleeved into the inside of a guide plate 105, the guide plate 105 is fixedly connected with one end of a movable rod 103, and the other end of the movable rod 103 is movably sleeved into the inside of the sleeve plate 102, a limiting mechanism is arranged at the connection between the side plate 106 and the T-shaped plate 107, and the two sides of the main plate 101 are attached and connected with the limiting mechanism; a clamping mechanism 200 composed of a cross rod 201 and an angle plate 208, the cross rod 201 is fixedly connected to the surface of the main plate 101, the lateral surface of the cross rod 201 is rotatably connected with a clamping plate 203 of a bending structure, the clamping plate 203 is symmetrically arranged on one side of the main plate 101, and the adjacent ends of the clamping plate 203 are in contact with a push plate 206; an adjusting assembly 300 arranged on the back surface of the main plate 101, the adjusting assembly 300 is composed of a driving shaft 301 and a rack 310, the driving shaft 301 is rotatably connected with the middle part of the back surface of the main plate 101, the rack 310 is fixedly connected with one end of the T-shaped plate 107, and the rack 310 is drivingly connected with the driving shaft 301 through a linkage mechanism. The back surface of the main plate 101 is provided with two symmetrically distributed sleeve plates 102, each sleeve plate 102 is slidably connected with a movable rod 103 of a flat structure in the inside, anti-skid teeth 104 are arranged on the opposite side edges 209 of the two movable rods 103, a U-shaped structure fixing block 111 is fixedly connected to one side of the top of the sleeve plate 102, a gap for the movement of a bolt 112 is arranged in the sleeve plate 102 corresponding to the fixing block 111, the middle part of the fixing block 111 is threadedly connected with the bolt 112, an abutting block arranged in the gap is movably connected to the end of the bolt 112, and the abutting blocks are correspondingly distributed with the anti-skid teeth 104 for locking after the movement of the movable rod 103.

[0031] As Figures 1-3The cooperation of the sleeve plate 102 and the movable rod 103 can realize relative sliding, and the fixed block 111 is arranged for mounting the bolt 112, and when the bolt 112 is screwed on the fixed block 111, the end of the bolt 112 can drive the abutting block into the inside of the sleeve plate 102 from the gap and contact the anti-skid teeth 104 opened on the movable rod 103 to realize abutting limiting, thereby realizing the fixing of the movable rod 103 and the sleeve plate 102 after the relative movement of the movable rod 103 and the sleeve plate 102. The movement of the sleeve plate 102 and the movable rod 103 drives the side plates 106 on both sides to adjust the position, and the size of the circuit board can be adjusted, so that the two ends of the circuit board are respectively attached to the first attachment area 210 and the second attachment area 211 for placement. The limiting mechanism is composed of the vertical plate 108 and the positioning plate 109, the vertical plate 108 is fixedly connected with the guide plate 105 and the T-shaped plate 107 at both ends respectively, the vertical plate 108 is fixedly connected with the positioning plate 109 at both ends on one side, the positioning plate 109 is symmetrically arranged on both sides of the main plate 101, the vertical plate 108 is fixedly connected with the guide plate 110 of the U-shaped structure on the other side in the middle, and the vertical plate 108 and the guide plate 110 slide with the back of the main plate 101, and the back of the guide plate 105 on the top plate is provided with two hooks 113, and the two hooks 113 are symmetrically arranged on both sides of the linkage mechanism.

[0032] When the side plates 106 move to both sides, the vertical plate 108 and the positioning plate 109 connected therebetween can be synchronously moved, at this time, the positioning plate 109 extends outward for protecting the side plates, when the adjacent electroplating clamps are hung on the conveying device through the hooks 113 for movement, the mutual contact of the positioning plates 109 can ensure that the nearest two circuit boards on the two electroplating clamps maintain sufficient spacing, avoiding the problem that the electroplating effect is reduced due to being too close, and the movement of the vertical plate 108 and the guide plate 110 on the main plate 101 can ensure stable translation, guaranteeing the stable movement of the two side plates 106 on the same side and improving the structural strength of the electroplating clamp.

[0033] The main plate 101 is fixedly connected with sleeve shafts 114 at both ends, the sleeve shafts 114 are movably sleeved with movable shafts 115 at both ends, the adjacent ends of the two movable shafts 115 are fixedly connected with the two ends of the springs 116 respectively, and the other ends of the two movable shafts 115 are fixedly connected with the abutting rods 117, the number of the abutting rods 117 is four, and each abutting rod 117 is arranged between the side plate 106 and the main plate 101; the number of the cross rods 201 is four, the four cross rods 201 are uniformly distributed to the front of the main plate 101, the adjacent sides of the cross rods 201 and the inner walls of the corner plates 208 are fixedly connected with the protection pads 202 arranged correspondingly, each cross rod 201 is provided with the clamping plate 203 of the V-shaped structure, one side of each clamping plate 203 is fixedly connected with the pressure pad 204 of the strip-shaped structure, the front of the main plate 101 is formed with the second attachment area 211 located outside the cross rod 201, and the second attachment area 211 is correspondingly distributed with the pressure pad 204.

[0034] The spring 116 inside the sleeve shaft 114 can push the movable shaft 115 at both ends to extend outward and drive the abutting rod 117 to move on both sides of the main plate 101. When fixing the circuit board, the circuit board is placed between the main plate 101 and the side plate, and the two ends of the circuit board are respectively matched with the first matching area 210 and the second matching area 211. At this time, the side plate 106 at both ends is adjusted to limit the circuit board to the protective pad 202 on the angle plate 208 and the horizontal rod 201. At this time, the circuit board is limited inside the side edge 209, and the abutting rod 117 is slowly loosened. The elasticity of the spring 116 drives the movable shaft 115 and the abutting rod 117 to extend, so that the abutting rod 117 abuts against one side of the circuit board. At this time, the other side of the circuit board is matched with the inner wall of the angle plate 208, thereby realizing stable fixing of the circuit board and preventing the circuit board from falling off during electroplating.

[0035] Further, after the circuit board is placed, the circuit board is clamped and fixed through the rotation of the clamping plate 203. In cooperation with the arrangement of the abutting rod 117, the clamping force of the clamping plate 203 can be appropriately reduced, that is, the clamping force is prevented from being too large to damage the circuit board, and the stable fixing of the circuit board is ensured without loosening.

[0036] The front surface of the main plate 101 and the four side plates 106 is located in the same plane, each edge of the side plate 106 is provided with an angle plate 208, the inner side of the angle plate 208 is provided with a side edge 209 for limiting the circuit board, and the front surface of each side plate 106 is formed with a first matching area 210 located inside the angle plate 208. The first matching area 210 is distributed in correspondence with the second matching area 211. The main plate 101 is a long strip structure, both ends of the main plate 101 are fixedly connected with guide rods 205, each guide rod 205 is inserted and connected with a push plate 206 inside, the middle part of the push plate 206 is threadedly connected with a screw rod 207, and the screw rod 207 is rotatably connected with the main plate 101. The cross section of the push plate 206 is isosceles trapezoidal structure, and the two side slopes of the push plate 206 are in contact with the clamping plate 203.

[0037] After the placement of the circuit board, the two sides of the limiting plate on the same surface are respectively located on the first bonding area 210 and the second bonding area 211, at this time, the screw rod 207 is rotated, the end of the screw rod 207 is located in the main plate 101 to realize the rotation of the screw rod 207, when the screw rod 207 rotates, the push plate 206 moves away from the main plate 101, the side surfaces of the two ends of the push plate 206 are in contact with the two clamping plates 203, thereby pushing the clamping plate 203 to rotate around the middle part, the clamping plate 203 of the bending structure drives the pressing pad 204 at the other end to rotate, thereby making the pressing pad 204 tightly press on one end of the circuit board, the guide rod 205 is arranged to ensure the stable movement of the push plate 206, when disassembling, only the screw rod 207 is twisted to separate the push plate 206 and the clamping plate 203, at this time, the clamping plate 203 no longer clamps the circuit board, so that multiple circuit boards can be simultaneously and quickly disassembled, improving the operation convenience.

[0038] As shown in Figure 4 , the two ends of the guide plate 105 are internally provided with T-shaped plates 107, the adjacent ends of the two T-shaped plates 107 are connected with oppositely arranged racks 310, the two racks 310 are located inside the guide plate 105, and the two racks 310 are in meshing connection with the gear 309; the linkage mechanism is composed of a transmission shaft 304, the surface of the transmission shaft 304 is fixedly connected with a flat key 305, the flat key 305 is in sliding connection with the key groove in the inner wall of the driving shaft 301, the number of the transmission shaft 304 is two, and the two transmission shafts 304 are respectively movably sleeved with the two ends of the driving shaft 301; the middle part of the driving shaft 301 is fixedly connected with a first worm gear 302, the first worm gear 302 is in meshing connection with a first worm 303, one end of the first worm 303 is rotatably connected with the middle part of the main plate 101, and the other end of the first worm 303 is fixedly connected with a handle, the end of the transmission shaft 304 is fixedly connected with a second worm 306, the second worm 306 is coaxially fixedly connected with the gear 309, and the gear 309 and the second worm 306 are respectively located on the inner and outer sides of the guide plate 105, the middle part of the guide plate 105 is fixedly connected with a housing 307, the housing 307 is rotatably connected with the transmission shaft 304, and the second worm 306 and the second worm gear 308 are located inside the housing 307.

[0039] As shown in Figure 5 , Figure 6As shown, the first worm 303 with the handle can realize the synchronous adjustment of the four side plates 106, the first worm 303 can drive the first worm wheel 302 to rotate, and then drive the driving shaft 301 to rotate at the back of the main plate 101, the key groove in the driving shaft 301 and the flat key 305 can realize the synchronous rotation and relative axial movement of the driving shaft 301 and the transmission shaft 304, when the driving shaft 301 drives the transmission shaft 304 to rotate, the transmission shaft 304 rotates in the housing 307 and drives the second worm 306 to rotate, so that the second worm 306 drives the second worm wheel 308 and the gear 309 to rotate synchronously, and the housing 307 can ensure the stable transmission of the corresponding position.

[0040] Further, when the gear 309 rotates in the guide plate 105, it drives the two racks 310 to move synchronously, so that the rack 310 drives the T-shaped plate 107 on both sides of the guide plate 105 to move to both sides, thereby adjusting the distance between the adjacent two circuit boards in the electroplating fixture, and the size of the circuit board can be conveniently adjusted, and the distance between the circuit boards can be changed after adjustment to avoid being affected during electroplating, and the distance between the horizontal rod 201 and the angle plate 208 can be adjusted according to the length of the circuit board by the cooperation of the cover plate 102 and the movable rod 103, the transmission shaft 304 moves in the driving shaft 301 to realize synchronous adjustment during adjustment, and the transmission of the transmission shaft 304 and the driving shaft 301 is not affected, the size of the circuit board can be adjusted appropriately, and the circuit boards on the same fixture and the circuit boards on the adjacent fixtures can be electroplated without being disturbed, and the use performance of the electroplating fixture for nickel gold production can be effectively improved.

[0041] The above describes the present application in detail in combination with the specific embodiments, however, the present application is not limited to the above embodiments, those skilled in the art can make various changes or modifications to the embodiments without departing from the principles and essence of the present application, no matter any changes in shape or structure, all should fall within the protection scope of the present application. The protection scope of the present application is defined by the appended claims.

Claims

1. An electroplating jig for electroless nickel immersion gold production, characterized by, The nickel gold electroplating production electroplating clamp comprises: The clamp assembly (100) is composed of a main plate (101) and a side plate (106), the back surface of the main plate (101) is fixedly provided with a sleeve plate (102), the back surface of the side plate (106) is fixedly connected with a T-shaped plate (107), the T-shaped plate (107) is movably sleeved into a guide plate (105), one end of the guide plate (105) is fixedly connected with a movable rod (103), the other end of the movable rod (103) is movably sleeved into the sleeve plate (102), a limiting mechanism is arranged at the connecting position of the side plate (106) and the T-shaped plate (107), and the two sides of the main plate (101) are connected with the limiting mechanism. The clamping mechanism (200) is composed of a cross rod (201) and an angle plate (208), the cross rod (201) is fixedly connected to the surface of the main plate (101), the side surface of the cross rod (201) is rotatably connected with a clamping plate (203) of a bending structure, the clamping plates (203) are symmetrically arranged on one side of the main plate (101), and the adjacent ends of the clamping plates (203) are in contact with a push plate (206). The adjusting assembly (300) is arranged on the back surface of the main plate (101), the adjusting assembly (300) is composed of a driving shaft (301) and a rack (310), the driving shaft (301) is rotatably connected with the middle part of the back surface of the main plate (101), the rack (310) is fixedly connected with one end of the T-shaped plate (107), and the rack (310) is drivingly connected with the driving shaft (301) through a linkage mechanism.

2. The electroplating fixture for electroless nickel immersion gold production as claimed in claim 1, wherein: The back surface of the main plate (101) is provided with two symmetrically distributed sleeve plates (102), each sleeve plate (102) is slidably connected with a movable rod (103) of a flat structure in the inside, anti-skid teeth (104) are arranged on the opposite side edges (209) of the two movable rods (103), a U-shaped fixing block (111) is fixedly connected to the top side of the sleeve plate (102), a notch for the movement of a bolt (112) is arranged in the sleeve plate (102) corresponding to the fixing block (111), the middle part of the fixing block (111) is threadedly connected with the bolt (112), an abutting block arranged in the notch is movably connected to the end of the bolt (112), and the abutting blocks are correspondingly arranged with the anti-skid teeth (104) for locking after the movement of the movable rod (103).

3. The electroplating fixture for electroless nickel immersion gold production of claim 1, wherein: The limiting mechanism is composed of a vertical plate (108) and a positioning plate (109), both ends of the vertical plate (108) are fixedly connected with the guide plate (105) and the T-shaped plate (107) respectively, both ends of one side of the vertical plate (108) are fixedly connected with the positioning plate (109), the positioning plate (109) is symmetrically arranged on both sides of the main plate (101), a guide plate (110) of U-shaped structure is fixedly connected to the other side of the vertical plate (108), and the vertical plate (108) and the guide plate (110) are slidably attached to the back of the main plate (101), and two hooks (113) are arranged on the back of the guide plate (105) of the top plate.

4. The electroplating fixture for electroless nickel immersion gold production of claim 1, wherein: Both ends of the main plate (101) are fixedly connected with a sleeve shaft (114), both ends of the sleeve shaft (114) are movably sleeved with a movable shaft (115), adjacent ends of the two movable shafts (115) are fixedly connected with two ends of a spring (116) respectively, and the other ends of the two movable shafts (115) are fixedly connected with a stop rod (117), the number of the stop rods (117) is four, and each stop rod (117) is arranged between the edge plate (106) and the main plate (101).

5. The electroplating fixture for electroless nickel immersion gold production of claim 1, wherein: The number of the horizontal rods (201) is four, the four horizontal rods (201) are evenly distributed to the front of the main plate (101), the adjacent sides of the horizontal rods (201) and the inner walls of the corner plates (208) are fixedly connected with the protective pads (202) arranged correspondingly, each horizontal rod (201) is provided with a clamping plate (203) of V-shaped structure, one side of each clamping plate (203) is fixedly connected with a pressure pad (204) of strip-shaped structure, and the front of the main plate (101) is formed with a second bonding area (211) located outside the horizontal rod (201), and the second bonding area (211) is correspondingly distributed with the pressure pad (204).

6. The electroplating fixture for electroless nickel immersion gold production of claim 1, wherein: The front of the main plate (101) and the four edge plates (106) are located in the same plane, each edge plate (106) is provided with a corner plate (208), the inner side of the corner plate (208) is provided with a side edge (209) for limiting the circuit board, and the front of each edge plate (106) is formed with a first bonding area (210) located inside the corner plate (208), and the first bonding area (210) is correspondingly distributed with the second bonding area (211).

7. The electroplating fixture for electroless nickel immersion gold production of claim 1, wherein: The main plate (101) is of a strip-shaped structure, both ends of the main plate (101) are fixedly connected with guide rods (205), each guide rod (205) penetrates and inserts into the inside of a push plate (206), the middle of the push plate (206) is threadedly connected with a screw rod (207), and the screw rod (207) is rotatably connected with the inside of the main plate (101), the cross section of the push plate (206) is isosceles trapezoidal structure, and the two inclined surfaces of the push plate (206) are in contact with the clamping plates (203).

8. The electroplating fixture for electroless nickel immersion gold production of claim 1, wherein: The guide plate (105) is internally provided with a T-shaped plate (107) at both ends, and the two T-shaped plates (107) are adjacently connected with oppositely arranged racks (310), both of which are located inside the guide plate (105) and are in meshing connection with the gear (309).

9. The electroplating fixture for electroless nickel immersion gold production of claim 1, wherein: The linkage mechanism is composed of a transmission shaft (304), the surface of which is fixedly connected with a flat key (305), the flat key (305) is in sliding connection with the key groove in the inner wall of the driving shaft (301), the number of the transmission shaft (304) is two, and the two transmission shafts (304) are respectively movably sleeved with the two ends of the driving shaft (301).

10. The electroplating fixture for electroless nickel immersion gold production of claim 9, wherein: The middle part of the driving shaft (301) is fixedly connected with the first worm gear (302), the first worm gear (302) is in meshing connection with the first worm (303), one end of the first worm (303) is rotatably connected with the middle part of the main plate (101), the other end of the first worm (303) is fixedly connected with a handle, the end of the transmission shaft (304) is fixedly connected with the second worm (306), the second worm (306) is coaxially fixed with the gear (309), and the gear (309) and the second worm (306) are respectively located on the inner and outer sides of the guide plate (105), the middle part of the guide plate (105) is fixedly connected with the shell (307), the shell (307) is rotatably connected with the transmission shaft (304), and the second worm (306) and the second worm gear (308) are both located inside the shell (307).

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