Double-sided rotary type spot tin welding device

By designing a double-sided rotary point tin welding device, the automatic clamping and double-sided rotary welding of components are achieved using the cylinder and motor drive system. Combined with measurement and identification technology, the problem of components not being able to be automatically welded in the existing technology is solved, and efficient and accurate automatic welding effect is achieved.

CN222588329UActive Publication Date: 2025-03-11CHONGQING YULONG OPTOELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202420381715.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-29
Publication Date
2025-03-11
Estimated Expiration
2034-02-28

AI Technical Summary

Technical Problem

In the prior art, components that cannot be made using a universal chip welding machine need to be manually welded, resulting in low operating efficiency, inconsistent accuracy, high heavy operation rate, inability to perform assembly line operations, and high requirements for operators, making it difficult for novices to work directly.

Method used

A double-sided rotary tin welding device is designed, which drives the mounting plate to rotate by pushing the cylinder, clamps the cylinder to drive the articulation seat movement, cooperates with the articulation arm to drive the clamp plate movement, uses the clamp plate to hold elements, and realizes double-sided rotary tin welding through a rotating motor and a rotating shaft. The device is also equipped with a distance measuring sensor and a CCD vision camera for measuring and identifying different components and using an appropriate welding scheme.

Benefits of technology

It realizes efficient automatic welding of components that cannot be used in general patch welding machines, improves operating efficiency and operating accuracy, reduces heavy work rate, supports assembly line operation, reduces requirements for operators, and improves welding yield.

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Abstract

The utility model discloses a double-sided rotary type spot tin welding device, which belongs to the technical field of circuit board tin soldering and comprises two mounting seats, a push cylinder is fixedly mounted on the side surface of one mounting seat, a mounting disc is fixed at the end part of a piston rod of the push cylinder, and a rotary motor is fixedly mounted on the side surface of the other push cylinder; a pushing air cylinder is used for driving a mounting disc to rotate, a clamping air cylinder is used for driving a hinge seat to move, a hinge arm is matched for driving a clamping plate to move, the clamping plate is used for clamping and fixing an element, and a rotating motor and a rotating shaft are matched for use, so that double-sided rotary spot tin welding can be carried out; elements which cannot be used by a general patch welding machine do not need to be manually welded, the operation efficiency is improved, the operation precision is guaranteed, the reworking rate is effectively reduced, the PCBA can be assembled and welded on the reverse side so as to achieve the effect of one-time welding, and meanwhile, the PCBA welding device is erected on an assembly line so as to reduce turnover waste.
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Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board soldering, and in particular relates to a double-sided rotary spot soldering device. Background Art

[0002] With the improvement of the current electronic industry, the production of circuit boards has also been vigorously developed. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. Circuit boards can be called printed circuit boards or printed circuit boards. There are many processes in the production and processing of circuit boards, one of which is soldering.

[0003] For some components that cannot be welded using general-purpose SMT welding machines, manual welding is required. The operating efficiency is extremely low, the welding accuracy of different personnel is inconsistent, the rework rate is high, the operating speed is slow, and assembly line operations cannot be performed, resulting in waste in transportation and installation. High requirements are placed on the operators, who need a long period of welding experience, and novices cannot operate directly. Utility Model Content

[0004] The purpose of the utility model is to provide a double-sided rotary spot tinning welding device to solve the problems raised in the above background technology that for some components that cannot be welded by a general SMT welding machine, manual welding requires human participation, the operation efficiency is extremely low, the welding accuracy of different personnel is inconsistent, the rework rate is high, the operation speed is slow, and assembly line operation cannot be carried out, resulting in waste of transportation and installation, high requirements on the operators, a long period of welding experience is required, and novices cannot operate directly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-sided rotary spot tin welding device, comprising two mounting seats, wherein a push cylinder is fixedly mounted on the side of one of the mounting seats, a mounting plate is fixedly mounted on the end of the piston rod of the push cylinder, a rotating motor is fixedly mounted on the side of the other pushing cylinder, a rotating shaft is fixedly mounted on the side of the mounting plate and the end of the output shaft of the rotating motor, a supporting plate is fixedly mounted on the opposite ends of the two rotating shafts, a clamping cylinder is fixedly mounted on the side of the supporting plate, a hinged seat is fixedly mounted on the end of the piston rod of the clamping cylinder, and two hinged arms are hingedly mounted on the side of the hinged seat A clamping plate is hingedly installed at one end of the articulated arm away from the articulated seat, a vertical plate is fixedly installed on the upper surface of the mounting seat, a supporting frame is fixedly installed on the top of the vertical plate, left and right transport cylinders are fixedly installed on the side of the supporting frame, a sliding frame is fixedly installed on the end of the piston rod of the left and right transport cylinders, a front and rear transport cylinder is fixedly installed on the upper surface of the sliding frame, a sliding block is fixedly installed on the end of the front and rear transport cylinders, an upper and lower transport cylinder is fixedly installed on the lower surface of the sliding block, a mounting plate is fixedly installed on the end of the upper and lower transport cylinders, and a tin-dotting head, a measuring distance sensor and a CCD visual camera are fixedly installed on the lower surface of the mounting plate.

[0006] The above scheme is adopted, by setting up a push cylinder to drive the installation plate to rotate, using a clamping cylinder to drive the articulated seat to move, and cooperating with the articulated arm to drive the clamping plate to move, using the clamping plate to clamp and fix the component, and cooperating with the rotating motor and the rotating shaft, double-sided rotary spot tin welding can be performed, and there is no need for manual welding for components that cannot be used with a general patch welding machine, thereby improving operating efficiency, ensuring operation accuracy, and effectively reducing the rework rate. The PCBA can be assembled and welded on the reverse side to achieve the effect of one-time welding completion, and at the same time, it is set up on the assembly line to reduce turnover waste. By setting up left and right transport cylinders and front and rear transport cylinders to cooperate with the upper and lower transport cylinders, multi-point welding is convenient, and a distance measuring sensor is used to measure the distance between the spot tin head and the component, and a CCD visual camera is used for image recognition. Different welding schemes are selected for different components to improve the welding yield.

[0007] In the above scheme, it should be noted that the pushing cylinder, rotating motor, clamping cylinder, left and right transport cylinder, front and rear transport cylinder, up and down transport cylinder, tinning head, measuring distance sensor and CCD visual camera are all electrically connected to an external power supply.

[0008] As a preferred embodiment, a plurality of trapezoidal sliders are fixedly mounted on one side of the clamping plate facing the support plate, a plurality of trapezoidal slide grooves are opened on the side of the support plate, and the trapezoidal sliders are slidably mounted on the inner wall of the trapezoidal slide grooves.

[0009] By adopting the above solution, during the movement of the clamping plate, the clamping plate slides in the trapezoidal slide groove through the trapezoidal slider, which can ensure the smooth movement of the clamping plate and avoid movement shaking.

[0010] As a preferred embodiment, the inner wall of the support frame is fixedly mounted with limiting strips on both the front and rear sides, and the sliding frame is provided with limiting grooves on both the front and rear sides, and the limiting strips slide on the inner walls of the limiting grooves.

[0011] With the above solution, when the left and right transport cylinders drive the sliding frame to move, the sliding block slides on the surface of the limiting strip through the limiting long groove, thereby ensuring that the sliding frame moves smoothly left and right.

[0012] As a preferred implementation, a guide rod is fixedly mounted on the inner wall of the sliding frame, and the sliding block is slidably mounted on the outer surface of the guide rod.

[0013] By adopting the above solution, the movement of the sliding block can be supported by the setting of the guide rod, thereby improving the movement stability.

[0014] As a preferred embodiment, the opposite surfaces of the two clamping plates on the side of the support plate are provided with anti-skid pads, and the anti-skid pads are adhered to the side surfaces of the clamping plates at corresponding positions.

[0015] With the above solution, the anti-skid pad is not shown. The provision of the anti-skid pad can provide a fixing and anti-skid effect when clamping components, thereby improving the clamping stability.

[0016] As a preferred implementation, a plurality of mounting bolts are threadedly mounted on the mounting seat.

[0017] By adopting the above solution, the setting of the mounting bolts can fix the overall mounting base on the assembly line, making installation and fixing easier.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The double-sided rotary spot tinning device utilizes a push cylinder to drive the mounting plate to rotate, utilizes a clamping cylinder to drive the articulated seat to move, and cooperates with an articulated arm to drive the clamping plate to move. The clamping plate is used to clamp and fix the component, and is used in conjunction with a rotary motor and a rotating shaft. Double-sided rotary spot tinning can be performed, and components that cannot be used with a general patch welding machine do not need to be welded manually, thereby improving operating efficiency, ensuring operating accuracy, and effectively reducing the rework rate. The reverse side assembly welding of the PCBA can be performed to achieve a one-time welding completion effect. At the same time, it can be set up on an assembly line to reduce turnover waste.

[0020] The double-sided rotary spot tinning device is convenient for multi-point welding by setting left and right transport cylinders, front and rear transport cylinders and upper and lower transport cylinders. It is used with a measuring distance sensor to measure the distance between the spot tinning head and the component, and with a CCD visual camera for image recognition. Different welding schemes are selected for different components to improve the welding yield. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the rotating electrical machine of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the push cylinder of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the support frame of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the sliding frame of the utility model.

[0026] In the figure: 1. Mounting seat; 2. Mounting bolts; 3. Push cylinder; 4. Mounting plate; 5. Rotating shaft; 6. Rotating motor; 7. Support plate; 8. Clamping cylinder; 9. Articulated seat; 10. Articulated arm; 11. Clamping plate; 12. Vertical plate; 13. Support frame; 14. Left and right transport cylinder; 15. Sliding frame; 16. Front and rear transport cylinder; 17. Sliding block; 18. Up and down transport cylinder; 19. Mounting plate; 20. Tinning head; 21. Measuring distance sensor; 22. CCD visual camera; 23. Trapezoidal slider; 24. Limiting strip; 25. Guide rod. DETAILED DESCRIPTION

[0027] See also Figure 1-5The utility model provides a double-sided rotary spot tin welding device, comprising two mounting seats 1, wherein a push cylinder 3 is fixedly mounted on the side of one of the mounting seats 1, a mounting plate 4 is fixedly mounted on the piston rod end of the push cylinder 3, a rotating motor 6 is fixedly mounted on the side of the other pushing cylinder 3, a rotating shaft 5 is fixedly mounted on the side of the mounting plate 4 and the output shaft end of the rotating motor 6, a supporting plate 7 is fixedly mounted on the opposite ends of the two rotating shafts 5, a clamping cylinder 8 is fixedly mounted on the side of the supporting plate 7, an articulated seat 9 is fixedly mounted on the piston rod end of the clamping cylinder 8, two articulated arms 10 are articulatedly mounted on the side of the articulated seat 9, and one end of the articulated arm 10 away from the articulated seat 9 is articulatedly mounted A clamping plate 11 is installed, a vertical plate 12 is fixedly installed on the upper surface of the mounting seat 1, a supporting frame 13 is fixedly installed on the top of the vertical plate 12, left and right transport cylinders 14 are fixedly installed on the side of the supporting frame 13, a sliding frame 15 is fixedly installed on the piston rod end of the left and right transport cylinders 14, a front and rear transport cylinder 16 is fixedly installed on the upper surface of the sliding frame 15, a sliding block 17 is fixedly installed on the end of the front and rear transport cylinder 16, an up and down transport cylinder 18 is fixedly installed on the lower surface of the sliding block 17, a mounting plate 19 is fixedly installed on the end of the up and down transport cylinder 18, and a tinning head 20, a measuring distance sensor 21 and a CCD visual camera 22 are fixedly installed on the lower surface of the mounting plate 19.

[0028] A plurality of trapezoidal sliders 23 are fixedly installed on one side of the clamping plate 11 facing the support plate 7. A plurality of trapezoidal slide grooves are opened on the side of the support plate 7. The trapezoidal sliders 23 are slidably installed on the inner wall of the trapezoidal slide groove. During the movement of the clamping plate 11, the clamping plate 11 slides in the trapezoidal slide groove through the trapezoidal sliders 23, which can ensure the smooth movement of the clamping plate 11 and avoid movement shaking.

[0029] The support frame 13 has limit strips 24 fixedly mounted on its inner wall on both the front and rear sides. The sliding frame 15 has limit slots on its inner wall on both the front and rear sides. The limit strips 24 slide on the inner wall of the limit slots. When the left and right transport cylinders 14 drive the sliding frame 15 to move, the sliding block 17 slides on the surface of the limit strips 24 through the limit slots, thereby ensuring that the sliding frame 15 moves left and right smoothly.

[0030] A guide rod 25 is fixedly mounted on the inner wall of the sliding frame 15 , and the sliding block 17 is slidably mounted on the outer surface of the guide rod 25 . The setting of the guide rod 25 can support the movement of the sliding block 17 and improve the movement stability.

[0031] The opposite surfaces of the two clamping plates 11 on the side of the support plate 7 are provided with anti-slip pads, which are pasted on the sides of the clamping plates 11 at corresponding positions. The anti-slip pads are not shown. The setting of the anti-slip pads can play a fixing and anti-slip effect when clamping components, thereby improving the clamping stability.

[0032] A plurality of mounting bolts 2 are threadedly mounted on the mounting seat 1. The arrangement of the mounting bolts 2 can fix the entire mounting seat 1 on the assembly line, making installation and fixing easier.

[0033] When in use, first use the mounting bolts 2 to fix the mounting base 1 on the assembly line machine, use the push cylinder 3 to drive the mounting plate 4 to move, and then adjust the distance between the support plates 7 on both sides. After adjusting to the appropriate position, stop the push cylinder 3, put the component between the two clamping plates 11 on the support plate 7, start the clamping cylinder 8 to drive the articulated seat 9 to move, and drive the clamping plate 11 to move under the action of the articulated arm 10. Use the clamping plate 11 to clamp and fix the component, then start the left and right transport cylinders 14 to drive the sliding frame 15 to move left and right, and start the front and rear transport cylinders 16 to drive the sliding frame 15 to move left and right. The block 17 moves forward and backward, and stops the left and right transport cylinder 14 and the front and rear transport cylinder 16 after it moves to the top of the spot tinning point. Then the up and down transport cylinder 18 is started to drive the mounting plate 19 to drive the spot tinning head 20 to move downward. The spot tinning head 20 is used for spot tinning. The distance measuring sensor 21 is used to measure the distance between the spot tinning head 20 and the component. The CCD visual camera 22 is used for image recognition. Different welding schemes are selected for different components to improve the welding yield. After the operation on one side of the component is completed, the rotating motor 6 is started to realize the 180-degree flip of the component.

Claims

1. A double-sided rotary spot tin soldering device, characterized in that: The invention comprises two mounting seats (1), wherein a push cylinder (3) is fixedly mounted on the side of one of the mounting seats (1), a mounting plate (4) is fixedly mounted on the end of the piston rod of the push cylinder (3), a rotating motor (6) is fixedly mounted on the side of the other of the pushing cylinders (3), a rotating shaft (5) is fixedly mounted on the side of the mounting plate (4) and the end of the output shaft of the rotating motor (6), a supporting plate (7) is fixedly mounted on the opposite ends of the two rotating shafts (5), a clamping cylinder (8) is fixedly mounted on the side of the supporting plate (7), a hinge seat (9) is fixedly mounted on the end of the piston rod of the clamping cylinder (8), two hinged arms (10) are hingedly mounted on the side of the hinge seat (9), a clamping plate (11) is hingedly mounted on the end of the hinge arm (10) away from the hinge seat (9), and the A vertical plate (12) is fixedly mounted on the upper surface of the mounting seat (1), a support frame (13) is fixedly mounted on the top of the vertical plate (12), a left and right transport cylinder (14) is fixedly mounted on the side of the support frame (13), a sliding frame (15) is fixedly mounted on the piston rod end of the left and right transport cylinder (14), a front and rear transport cylinder (16) is fixedly mounted on the upper surface of the sliding frame (15), a sliding block (17) is fixedly mounted on the end of the front and rear transport cylinder (16), an upper and lower transport cylinder (18) is fixedly mounted on the lower surface of the sliding block (17), a mounting plate (19) is fixedly mounted on the end of the upper and lower transport cylinder (18), and a tin-dotting head (20), a measuring distance sensor (21) and a CCD visual camera (22) are fixedly mounted on the lower surface of the mounting plate (19).

2. The double-sided rotary spot soldering device according to claim 1, characterized in that: A plurality of trapezoidal sliding blocks (23) are fixedly mounted on one side of the clamping plate (11) facing the supporting plate (7), a plurality of trapezoidal sliding grooves are provided on the side of the supporting plate (7), and the trapezoidal sliding blocks (23) are slidably mounted on the inner wall of the trapezoidal sliding grooves.

3. The double-sided rotary spot soldering device according to claim 1, characterized in that: The inner wall of the support frame (13) is fixedly mounted with a limit strip (24) on both the front and rear side surfaces, and the sliding frame (15) is provided with a limit slot on both the front and rear side surfaces, and the limit strip (24) slides on the inner wall of the limit slot.

4. The double-sided rotary spot soldering device according to claim 1, characterized in that: A guide rod (25) is fixedly mounted on the inner wall of the sliding frame (15), and the sliding block (17) is slidably mounted on the outer surface of the guide rod (25).

5. The double-sided rotary spot soldering device according to claim 1, characterized in that: The opposing surfaces of the two clamping plates (11) on the side of the support plate (7) are both provided with anti-skid pads, and the anti-skid pads are adhered to the side surfaces of the clamping plates (11) at corresponding positions.

6. The double-sided rotary spot soldering device according to claim 1, characterized in that: A plurality of mounting bolts (2) are threadedly mounted on the mounting seat (1).