CN223843975U - A circuit board tin-dipping clamping device for a fully automatic tin-dipping machine - Google Patents
A circuit board tin-dipping clamping device for a fully automatic tin-dipping machineInfo
- Publication number
- CN223843975U CN223843975U CN202520245446.4U CN202520245446U CN223843975U CN 223843975 U CN223843975 U CN 223843975U CN 202520245446 U CN202520245446 U CN 202520245446U CN 223843975 U CN223843975 U CN 223843975U
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- CN
- China
- Prior art keywords
- tin
- dipping
- circuit board
- fixedly arranged
- clamping
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- Manufacturing Of Printed Wiring (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Abstract
The utility model discloses a circuit board tin-dipping clamping device for a full-automatic tin-dipping machine, in particular to the technical field of circuit board production, which comprises a tin-dipping pool, wherein a supporting frame is fixedly arranged at the top of the tin-dipping pool, a supporting plate is fixedly arranged at one side of the supporting frame, a clamping mechanism is arranged at the bottom of the supporting plate, the clamping mechanism comprises a T-shaped movable plate which is arranged in the supporting plate in a sliding manner, a first electric telescopic rod is fixedly arranged at the bottom of the T-shaped movable plate, the utility model is convenient for overall layout and installation, saves space, can adjust the distance between the movable strip and the clamping strip, adapts to different circuit board size shapes, prevents the rubber layer from slipping off and protects the board, automatically controls the electric telescopic rods, tightly cooperates each link, and improves the tin dipping efficiency and quality.
Description
Technical Field
The utility model relates to the technical field of circuit board production, in particular to a circuit board tin-dipping clamping device for a full-automatic tin-dipping machine.
Background
In the electronic manufacturing industry, the tin-dipping process of the circuit board is a key link for ensuring reliable connection between the electronic component and the circuit board. With the development of electronic products in the directions of miniaturization, high precision and high integration, the requirements on the tin dipping quality of circuit boards are increasingly improved, and a full-automatic tin dipping machine is generated, so that the tin dipping efficiency and quality are improved, and errors and unstable factors caused by manual operation are reduced;
The existing mechanism usually clamps the circuit board through pneumatic or electric clamping jaws, and controls lifting and entering and exiting of the circuit board through a linear guide rail and an air cylinder, however, the circuit boards of different types and sizes have differences in shape, thickness and pin layout, a simple mechanical clamping device can only clamp the circuit board of a specific type or size range, universality and flexibility are lacking, when the circuit boards of various different specifications are required to be produced, the clamping device needs to be replaced frequently or complicated adjustment is carried out, and production cost and production preparation time are increased.
Disclosure of utility model
In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a circuit board tin-dipping clamping device for a full-automatic tin-dipping machine, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the circuit board tin-dipping clamping device for the full-automatic tin-dipping machine comprises a tin-dipping pool, wherein a supporting frame is fixedly arranged at the top of the tin-dipping pool, a supporting plate is fixedly arranged at one side of the supporting frame, and a clamping mechanism is arranged at the bottom of the supporting plate;
The clamping mechanism comprises a T-shaped movable plate which is arranged inside a supporting plate in a sliding mode, a first electric telescopic rod is fixedly arranged at the bottom of the T-shaped movable plate, a fixed frame is fixedly arranged at the output end of the first electric telescopic rod, a partition plate is fixedly arranged inside the fixed frame, second electric telescopic rods are fixedly arranged on two sides of the partition plate, movable strips are fixedly arranged at the output end of the second electric telescopic rod, and a plurality of clamping strips are arranged at the bottom of the movable strips.
By adopting the technical scheme, the tin immersion tank is used as a foundation, a stable framework is constructed through the support frame and the support plate, the overall layout and the installation are convenient, the space is saved, the position can be adjusted in the horizontal and vertical directions, the distance between the movable strip and the clamping strip can be adjusted, and the tin immersion tank is suitable for different circuit board size and shape.
According to the technical scheme, the movable strip is in sliding connection with the fixed frame, the surfaces of the movable strip and the clamping strip are provided with a plurality of threaded holes, the inner parts of the threaded holes are in threaded connection with bolts, the bottom of the clamping strip is fixedly provided with a protruding block, and one side of the protruding block is fixedly provided with a rubber layer.
By adopting the technical scheme, the sliding connection of the movable strip and the fixed frame enables the movement to be stable, the threaded holes on the surfaces of the movable strip and the clamping strip are connected with bolts to conveniently adjust the distance between the clamping strips, the adaptability of the device to circuit boards with different sizes is enhanced, the friction force between the device and the circuit boards is increased, the clamping stability is ensured, and the circuit boards are prevented from sliding off.
According to the technical scheme, the support frame is characterized in that one side of the support frame is provided with an adjusting mechanism, the adjusting mechanism comprises a stabilizing plate fixedly arranged on one side of the support frame, the top of the stabilizing plate is fixedly provided with a stepping motor, the output end of the stepping motor is fixedly provided with a screw rod, one end of the screw rod penetrates through the support frame and is rotationally connected with the inner wall of the support frame, the surface of the T-shaped movable plate is provided with a thread groove, the screw rod is matched with the thread groove, both sides of the support frame are fixedly provided with stabilizing frames, and the cross section of each stabilizing frame is L-shaped.
By adopting the technical scheme, the accurate adjustment of the T-shaped movable plate in the horizontal direction can be realized, the circuit board can be conveniently and accurately positioned, the accuracy of tin dipping operation can be improved, the structural stability of the whole device can be enhanced, and the stability of each part during tin dipping operation is ensured.
The utility model has the technical effects and advantages that:
Compared with the prior art, the movable strip is in sliding connection with the fixed frame, the movable strip is stable in movement and good in straightness, the clamping strip is connected with the movable strip through the bolts, the distance between the movable strip and the movable strip can be adjusted according to the size and the shape of the circuit board, so that stable clamping is realized, the movable strip is applicable to various circuit boards, the rubber layer on one side of the protruding block at the bottom of the clamping strip is elastic and friction, the circuit board is prevented from sliding off, scratch is avoided, the surface quality of the circuit board is guaranteed, the circuit board is lifted firstly to prevent moving collision, the excessive tin liquid is slowly lifted after tin immersion is finished, the excessive tin liquid is smoothly dropped, clamping is released, all links are tightly matched, the tin immersion efficiency and the tin immersion quality are improved, the electric telescopic rod is automatically controlled, the working efficiency and the stability are improved, the manual intervention is reduced, and the accuracy and the consistency of tin immersion operation are guaranteed;
Through setting up adjustment mechanism, compare with prior art, utilize step motor to drive the screw rod rotation, with T shape fly leaf surface screw groove cooperation, through control step motor turned angle and direction, realize T shape fly leaf horizontal migration in the backup pad, thereby roughly aim at the circuit board position, accomplish the preliminary location of horizontal direction, lay the foundation for follow-up accurate centre gripping, improve positioning efficiency and accuracy, after T shape fly leaf position is confirmed, first electric telescopic handle starts the extension, promote the vertical decline of fixed frame and be close to the circuit board, the adaptability of device to not co-altitude circuit board has been strengthened, guarantee the accuracy and the stability of centre gripping operation, effectively avoid the centre gripping failure or cause the damage to the circuit board because of highly unsuitable lead to, promote whole work efficiency and product quality.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of a clamping mechanism according to the present utility model.
Fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
Fig. 4 is a schematic structural view of a clamping mechanism according to the present utility model.
Fig. 5 is a schematic structural view of an adjusting mechanism of the present utility model.
The reference sign is 1, a tin immersion tank; 2, a supporting frame, 3, a supporting plate, 4, a T-shaped movable plate, 5, a first electric telescopic rod, 6, a fixed frame, 7, a partition plate, 8, a second electric telescopic rod, 9, a movable strip, 10, a clamping strip, 11, a bolt, 12, a protruding block, 13, a rubber layer, 14, a stabilizing plate, 15, a stepping motor, 16, a screw rod, 17 and a stabilizing frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the application discloses a circuit board tin-dipping clamping device for a full-automatic tin-dipping machine, which is shown in figures 1-5, and comprises a tin-dipping pool 1, wherein a support frame 2 is fixedly arranged at the top of the tin-dipping pool 1, a support plate 3 is fixedly arranged at one side of the support frame 2, and a clamping mechanism is arranged at the bottom of the support plate 3;
The clamping mechanism comprises a T-shaped movable plate 4 which is arranged in a supporting plate 3 in a sliding manner, a first electric telescopic rod 5 is fixedly arranged at the bottom of the T-shaped movable plate 4, a fixed frame 6 is fixedly arranged at the output end of the first electric telescopic rod 5, a partition 7 is fixedly arranged in the fixed frame 6, second electric telescopic rods 8 are fixedly arranged on two sides of the partition 7, movable strips 9 are fixedly arranged at the output end of the second electric telescopic rods 8, a plurality of clamping strips 10 are arranged at the bottom of the movable strips 9, when the movable strips 9 continue to move towards a circuit board, a protruding block 12 at the bottom of each clamping strip 10 is firstly contacted with the edge of the circuit board, then the first electric telescopic rod 5 is slowly stretched to drive the fixed frame 6 and the clamped circuit board to uniformly descend into tin liquor of a tin bath 1, and according to preset tin liquor immersion process parameters, a control system precisely controls the descending speed and immersion depth of the first electric telescopic rod 5, so that each welding point and connecting position of the circuit board can be uniformly plated with a tin layer meeting the requirements;
After the tin dipping time is over, the first electric telescopic rod 5 contracts to slowly lift the circuit board from the tin dipping pool 1, in the lifting process, redundant tin liquor can smoothly drop back to the tin dipping pool 1, when the circuit board is lifted to a certain height, the second electric telescopic rod 8 contracts to drive the movable strip 9 to move in a direction away from the circuit board, so that the clamping strip 10 loosens the clamping of the circuit board, and the circuit board is conveyed to a subsequent process.
Referring to fig. 2-3, the movable bar 9 is slidably connected with the fixed frame 6, the surfaces of the movable bar 9 and the clamping bar 10 are provided with a plurality of threaded holes, bolts 11 are connected with the inner portions of the plurality of threaded holes, a protruding block 12 is fixedly arranged at the bottom of the clamping bar 10, a rubber layer 13 is fixedly arranged at one side of the protruding block 12, when the movable bar 9 continues to move towards the circuit board, the protruding block 12 at the bottom of the clamping bar 10 is firstly contacted with the edge of the circuit board, the rubber layer 13 at one side of the protruding block 12 has certain elasticity and friction force, the contact friction force with the circuit board can be increased, the circuit board is ensured not to slide in the tin dipping process, scratches on the surface of the circuit board can be avoided, so that stable clamping of the circuit board is realized, after the circuit board is firmly clamped, the first electric telescopic rod 5 acts again for a certain distance, the circuit board is slightly lifted, and the circuit board is prevented from colliding with the edge or other parts of the tin dipping pool 1 in the subsequent moving process.
Referring to fig. 4-5, an adjusting mechanism is arranged on one side of a support frame 2, the adjusting mechanism comprises a stabilizing plate 14 fixedly arranged on one side of the support frame 2, a stepping motor 15 is fixedly arranged at the top of the stabilizing plate 14, a screw 16 is fixedly arranged at the output end of the stepping motor 15, one end of the screw 16 penetrates through the support frame 2 and is rotationally connected with the inner wall of the support frame 2, a thread groove is formed in the surface of a T-shaped movable plate 4, the screw 16 is matched with the thread groove, stabilizing frames 17 are fixedly arranged on two sides of the support frame 2, the cross section of each stabilizing frame 17 is L-shaped, the stepping motor 15 is started, an output shaft of the stepping motor 15 drives the screw 16 to rotate, and the T-shaped movable plate 4 moves in the horizontal direction inside the support plate 3 due to the fact that the thread groove matched with the screw 16 is formed in the surface of the T-shaped movable plate 4, and the T-shaped movable plate 4 can be approximately aligned with the position of a circuit board by controlling the rotation angle and the rotation direction of the stepping motor 15, and the initial positioning of the clamping mechanism in the horizontal direction is completed;
After the position of the T-shaped movable plate 4 is determined, a first electric telescopic rod 5 fixed at the bottom of the T-shaped movable plate is started and extends, the first electric telescopic rod 5 pushes a fixed frame 6 to move downwards along the vertical direction, so that the fixed frame 6 is gradually close to a circuit board, the extension of the first electric telescopic rod 5 can be finely adjusted by a control system according to the actual height of the circuit board in the descending process of the fixed frame 6, the fixed frame 6 is ensured to descend to a proper height, and the movable strips 9 can accurately contact the edges of the two sides of the circuit board.
The working principle of the utility model is as follows:
When the device is used, firstly, a proper amount of tin liquor with proper temperature is added into a tin dipping pool 1, when a circuit board to be tin dipped is conveyed to a designated position near an external tin dipping machine, a stepping motor 15 is started, an output shaft of the stepping motor 15 drives a screw 16 to rotate, and as the surface of a T-shaped movable plate 4 is provided with a thread groove matched with the screw 16, the screw 16 rotates to enable the T-shaped movable plate 4 to move in the horizontal direction inside a supporting plate 3, and the T-shaped movable plate 4 can be approximately aligned to the position of the circuit board by controlling the rotation angle and the direction of the stepping motor 15, so that the preliminary positioning of a clamping mechanism in the horizontal direction is completed;
After the position of the T-shaped movable plate 4 is determined, a first electric telescopic rod 5 fixed at the bottom of the T-shaped movable plate is started and extends, the first electric telescopic rod 5 pushes a fixed frame 6 to move downwards along the vertical direction, so that the fixed frame 6 is gradually close to a circuit board, and in the descending process of the fixed frame 6, the extension of the first electric telescopic rod 5 can be finely adjusted according to the actual height of the circuit board through a control system, so that the fixed frame 6 is ensured to descend to a proper height, and the movable strips 9 can accurately contact the two side edges of the circuit board;
When the fixed frame 6 reaches a proper height, the second electric telescopic rods 8 at the two sides of the partition plate 7 start to work, the second electric telescopic rods 8 stretch to push the movable strips 9 to move towards the circuit board in the horizontal direction in the fixed frame 6, and as the movable strips 9 are in sliding connection with the fixed frame 6, the moving process is stable and the straightness is good, the bottoms of the movable strips 9 are provided with a plurality of clamping strips 10 which are in threaded connection with threaded holes on the surfaces of the movable strips 9 through bolts 11, and the distance between the clamping strips 10 is flexibly adjusted in a certain range according to the specific size and shape of the circuit board so as to achieve a better clamping effect;
When the movable strip 9 continues to move towards the circuit board, the protruding block 12 at the bottom of the clamping strip 10 is firstly contacted with the edge of the circuit board, the rubber layer 13 at one side of the protruding block 12 has certain elasticity and friction force, so that the contact friction force with the circuit board can be increased, the circuit board is ensured not to slide off in the tin dipping process, the surface of the circuit board is prevented from being scratched, the circuit board is stably clamped, the first electric telescopic rod 5 moves again to shrink for a certain distance after the circuit board is firmly clamped, the circuit board is slightly lifted, and the circuit board is prevented from colliding with the edge or other parts of the tin dipping pool 1 in the subsequent moving process;
Then, the first electric telescopic rod 5 slowly stretches to drive the fixed frame 6 and the clamped circuit board to descend into the tin liquor of the tin dipping pool 1 at a constant speed, and according to preset tin dipping process parameters, a control system precisely controls the descending speed and the dipping depth of the first electric telescopic rod 5 to ensure that the circuit board stays in the tin liquor for a proper time so as to ensure that each welding point and connecting part of the circuit board can be uniformly plated with a tin layer meeting the required thickness;
After the tin dipping time is over, the first electric telescopic rod 5 contracts to slowly lift the circuit board from the tin dipping pool 1, in the lifting process, redundant tin liquor can smoothly drop back to the tin dipping pool 1, when the circuit board is lifted to a certain height, the second electric telescopic rod 8 contracts to drive the movable strip 9 to move in a direction away from the circuit board, so that the clamping strip 10 loosens the clamping of the circuit board, and the circuit board is conveyed to a subsequent process.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (6)
1. The circuit board tin-dipping clamping device for the full-automatic tin-dipping machine comprises a tin-dipping pool (1) and is characterized in that a supporting frame (2) is fixedly arranged at the top of the tin-dipping pool (1), a supporting plate (3) is fixedly arranged at one side of the supporting frame (2), and a clamping mechanism is arranged at the bottom of the supporting plate (3);
The clamping mechanism comprises a T-shaped movable plate (4) which is arranged inside a supporting plate (3) in a sliding manner, a first electric telescopic rod (5) is fixedly arranged at the bottom of the T-shaped movable plate (4), a fixed frame (6) is fixedly arranged at the output end of the first electric telescopic rod (5), a partition plate (7) is fixedly arranged inside the fixed frame (6), second electric telescopic rods (8) are fixedly arranged on two sides of the partition plate (7), movable strips (9) are fixedly arranged at the output end of the second electric telescopic rods (8), and a plurality of clamping strips (10) are arranged at the bottom of the movable strips (9).
2. The circuit board tin-dipping clamping device for the full-automatic tin-dipping machine, which is disclosed in claim 1, is characterized in that the movable strip (9) is in sliding connection with the fixed frame (6), a plurality of threaded holes are formed in the surfaces of the movable strip (9) and the clamping strip (10), and bolts (11) are connected with the inner parts of the threaded holes in a threaded manner.
3. The circuit board tin-dipping clamping device for the full-automatic tin-dipping machine, which is disclosed in claim 1, is characterized in that a protruding block (12) is fixedly arranged at the bottom of the clamping strip (10), and a rubber layer (13) is fixedly arranged at one side of the protruding block (12).
4. The circuit board tin-dipping clamping device for the full-automatic tin-dipping machine, which is disclosed in claim 1, is characterized in that an adjusting mechanism is arranged on one side of the supporting frame (2), the adjusting mechanism comprises a stabilizing plate (14) fixedly arranged on one side of the supporting frame (2), a stepping motor (15) is fixedly arranged at the top of the stabilizing plate (14), a screw (16) is fixedly arranged at the output end of the stepping motor (15), and one end of the screw (16) penetrates through the supporting frame (2) and is rotatably connected with the inner wall of the supporting frame (2).
5. The circuit board tin-immersing clamping device for the full-automatic tin-immersing machine, which is disclosed in claim 4, is characterized in that a thread groove is formed on the surface of the T-shaped movable plate (4), and the screw (16) is matched with the thread groove.
6. The circuit board tin-dipping clamping device for the full-automatic tin-dipping machine, which is disclosed in claim 1, is characterized in that stabilizing frames (17) are fixedly arranged on two sides of the supporting frame (2), and the cross section of each stabilizing frame (17) is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520245446.4U CN223843975U (en) | 2025-02-17 | 2025-02-17 | A circuit board tin-dipping clamping device for a fully automatic tin-dipping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520245446.4U CN223843975U (en) | 2025-02-17 | 2025-02-17 | A circuit board tin-dipping clamping device for a fully automatic tin-dipping machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223843975U true CN223843975U (en) | 2026-01-27 |
Family
ID=98517139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520245446.4U Active CN223843975U (en) | 2025-02-17 | 2025-02-17 | A circuit board tin-dipping clamping device for a fully automatic tin-dipping machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223843975U (en) |
-
2025
- 2025-02-17 CN CN202520245446.4U patent/CN223843975U/en active Active
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