Multi-spot welding device for compressor circuit board

Abstract

The utility model relates to the technical field of welding, and discloses a multi-spot welding device for a compressor circuit board, which comprises a base rack, a pedestal is arranged on the base rack, a plurality of soldering tin nozzles are arranged on the pedestal, a telescopic component is further arranged on the base rack, the output end of the telescopic component is connected with a top plate for mounting a PCB (printed circuit board), and the output end of the telescopic component is connected with a base. A plurality of plug-in mounting elements are also arranged on the top plate; the top plate can ascend and descend relative to the base rack under the driving of the telescopic assembly, the PCBs and the plug-in mounting elements are both mounted on the top plate, as the top plate moves close to the base rack, soldering tin is sprayed to the PCBs through the multiple soldering tin nozzles in a surging mode at the same time, the plug-in mounting elements and the PCBs are accurately welded, then tin beads and tin slag in the welding process are reduced, the welding quality is improved, and the production efficiency is improved. And the requirement of complex welding of the existing PCB is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, concretely relates to a kind of multipoint welding device for compressor circuit board. BACKGROUND

[0002] Current electronic product is very important in our life, PCB board welding is also conventional wave soldering soldering wave soldering machine work flow: PCB inserts the circuit board of component, and it is embedded into fixture, is sent into wave soldering machine by the connection device at the entrance of equipment with certain angle of inclination and conveying speed, then is clamped by continuously operated jaw, passes through plate inlet inductor, applies flux, preheats, immerses wave soldering tin, and the technological process of cooling.

[0003] With the continuous development of science and technology, the welding requirement of compressor circuit board is higher and higher, and conventional wave soldering application, through the centrifugal force generated by motor impeller piece rotation, soldering tin forms wave shape under the action of centrifugal force through flow guide groove, this phenomenon flow guide groove needs to be sealed, and the structure is complex, and soldering tin is unstable, for the design of precision product, conventional wave soldering has not been able to meet the complexity of PCB board. SUMMARY

[0004] The utility model aims at overcoming the deficiency in prior art, and provides a kind of multipoint welding device for compressor circuit board, under the driving of top plate, so that PCB board and plug-in component can be close to base stand, and be welded simultaneously by multiple soldering tin nozzles, to satisfy the multipoint welding of PCB board, ensure that soldering tin is stable.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] A kind of multipoint welding device for compressor circuit board, including base stand, the base stand is provided with pedestal, the pedestal is provided with multiple soldering tin nozzles, the base stand is also provided with telescopic component, the output end of the telescopic component is connected with the top plate for installing PCB board, and the top plate is also provided with multiple plug-in components.

[0007] Optionally, multiple soldering tin nozzles are provided with base, and the base slides on the pedestal through second sliding groove.

[0008] Optionally, rotating lead screw that penetrates multiple bases is arranged in the second sliding groove, and the inner wall of the base stand is provided with driving motor, and the output end of the driving motor is fixedly connected with the rotating lead screw.

[0009] Optionally, the top plate is provided with bracket on both sides for supporting PCB board, and the top plate is provided with threaded rod for lifting bracket.

[0010] Optionally, a plurality of holes for soldering are formed on the PCB.

[0011] Optionally, a first sliding groove is arranged at the bottom of the top plate, and a sliding frame is slidably arranged in the first sliding groove.

[0012] Optionally, a plug-in element for soldering is arranged on the sliding frame.

[0013] Optionally, a rubber gasket is arranged at the bottom of the top plate, and the rubber gasket and the bracket are used for clamping the PCB.

[0014] Advantages

[0015] (1) In the utility model, the top plate can be lifted and lowered relative to the base frame under the drive of the telescopic assembly, the PCB and the plug-in element are both arranged on the top plate, the solder is sprayed on the PCB through the plurality of solder nozzles when the top plate moves close to the base frame, the plug-in element and the PCB are accurately soldered, the solder beads and drosses in the soldering process are reduced, the soldering quality is improved, and the complexity of the soldering of the PCB is met.

[0016] (2) In the utility model, the bracket is used for supporting the PCB, the threaded rod arranged on the top plate is used for lifting the bracket, the PCB is lifted and pulled through the rotation of the threaded rod, the PCB is positioned by abutting against the rubber gasket, and the precision and quality of the soldering are greatly improved.

[0017] (3) In the utility model, the base can slide on the pedestal through the second sliding groove, the distance between the plurality of solder nozzles is adjusted, and the application range of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structure schematic view of the multi-point soldering device for the compressor circuit board in the embodiment of the utility model;

[0019] Figure 2 is a left-right isometric structure schematic view of the multi-point soldering device for the compressor circuit board in the embodiment of the utility model;

[0020] Figure 3 is an up-down isometric structure schematic view of the multi-point soldering device for the compressor circuit board in the embodiment of the utility model;

[0021] Figure 4 is a front view structure schematic view of the multi-point soldering device for the compressor circuit board in the embodiment of the utility model;

[0022] Wherein, 1, base stand; 2, telescopic assembly; 3, top plate; 4, PCB board; 5, solder nozzle; 6, driving motor; 7, rotating screw rod; 8, sliding frame; 9, plug-in element; 10, first sliding groove; 11, pedestal; 12, second sliding groove; 13, threaded rod; 14, bracket. DETAILED DESCRIPTION

[0023] The utility model will be explained in further detail in combination with the drawings and examples, these drawings are all simplified schematic diagram, just with schematic way shows the basic structure of the utility model, therefore it just shows the constitution related to the utility model.

[0024] As Figures 1-4 The utility model discloses a kind of multi-point welding devices for compressor circuit board, including base stand 1, pedestal 11 is provided on base stand 1, a plurality of solder nozzles 5 are provided on pedestal 11, telescopic assembly 2 is also provided on base stand 1, the output end of telescopic assembly 2 is connected with the top plate 3 for installing PCB board 4, and top plate 3 is also equipped with a plurality of plug-in elements 9.

[0025] Top plate 3 can be lifted relative to base stand 1 under the drive of telescopic assembly 2, and PCB board 4 and plug-in element 9 are all installed on top plate 3, with top plate 3 moves close to base stand 1, solder is simultaneously surged and sprayed on PCB board 4 by a plurality of solder nozzles 5, plug-in element 9 and PCB board 4 are accurately welded, to reduce soldering process tin bead tin dregs, it is favorable to improve welding quality, and meet the complexity welding of existing PCB board 4. Wherein, telescopic assembly 2 gives priority to using cylinder and other prior art.

[0026] Above, base is provided on each solder nozzle 5, and base slides on pedestal 11 by second sliding groove 12. That is to say, second sliding groove 12 is opened in pedestal 11, and a plurality of bases are slidably embedded in second sliding groove 12, and solder nozzle 5 is provided on each base.

[0027] Base can slide on pedestal 11 by second sliding groove 12, to reach the purpose of adjusting the interval between a plurality of solder nozzles 5, to improve the application range of the device, so that it can cope with the situation that plug-in element 9 is distributed at different intervals on PCB board 4.

[0028] Further, rotating screw rod 7 that penetrates a plurality of bases is provided in second sliding groove 12, driving motor 6 is arranged on the inner wall of base stand 1, and the output end of driving motor 6 is fixedly connected with rotating screw rod 7. Rotating screw rod 7 is screwed and arranged on base, rotating screw rod 7 is rotated by driving motor 6, and base moves along the axial direction of rotating screw rod 7 under the limitation of second sliding groove 12, and according to requirement, the screw segment corresponding to each base is made to rotate in different directions, to ensure that bases can be distributed at a plurality of intervals.

[0029] The top plate 3 is provided with a bracket 14 for supporting the PCB 4 on both sides, and the top plate 3 is provided with a threaded rod 13 for lifting the bracket 14.

[0030] The bracket 14 adopts an L-shaped structure, the threaded rod 13 is screwed through the two sides of the top plate 3, and the end of the threaded rod 13 is connected with the bracket 14; as the threaded rod 13 is screwed, it is lifted relative to the top plate 3, and the end connected with the bracket 14 is lifted; to hold the PCB 4 and firmly fix it on the top plate 3. In order to avoid synchronous rotation of the top plate 3 and the threaded rod 13, the two are rotatably connected.

[0031] The bracket 14 is lifted and lowered by rotating the threaded rod 13, and in the process of moving close to the top plate 3, the bracket 14 can be positioned by cooperating with the top plate 3; in order to avoid damage to the PCB 4 when the bracket 14 lifts it, a rubber gasket is arranged at the bottom of the top plate 3, and the elasticity of the rubber gasket can avoid the damage of the PCB 4 caused by excessive rotation of the threaded rod 13.

[0032] In order to facilitate the installation of the plug-in element 9 on the top plate 3, a first sliding groove 10 is formed at the bottom of the top plate 3, a sliding frame 8 is slidably installed in the first sliding groove 10, and the plug-in element 9 is arranged on the sliding frame 8 for welding.

[0033] The number and position of the sliding frame 8 correspond to the number and position of the base, that is, at least one plug-in element 9 can be installed on each sliding frame 8, and the position of the sliding frame 8 in the first sliding groove 10 needs to be adjusted before welding to correspond to the solder nozzle 5 on the base.

[0034] In addition, in order to facilitate welding, a plurality of holes for soldering are usually formed on the PCB 4, and the number and position of the holes correspond to the number and position of the plug-in element 9.

[0035] Working principle:

[0036] Under the cooperation of the welding assembly pump cylinder, the hollow furnace and the plurality of solder nozzles 5, the hollow furnace dissolves the solid tin rod into liquid tin, the solder is driven by the pump to flow and spray to the tin nozzle and the PCB 4, thereby reducing tin beads and tin slag in the welding process, which is conducive to improving the welding quality, and the control system can also perform point spraying action through the plurality of nozzles; at the same time, a plurality of welding points on the PCB 4 are welded at one time, which can improve the uniformity of welding parameters, is conducive to welding quality control, reduces welding frequency and reduces labor cost.

[0037] In summary, the utility model discloses a compressor circuit board is with multipoint welding device, can according to the arrangement spacing between plug-in component 9, the position of multiple soldering tin nozzle 5 is adjusted adaptively, and soldering tin is sprayed to tin nozzle and PCB board 4 by the liquid soldering tin surge driven by pump, can reduce the instability of surge tin.

[0038] The device can complete one welding of multiple positions of PCBA through X / Y / Z axis coordinate programming, and the X / Y / Z axis coordinates are six orientations of the bottom of the PCB board 4 for fixed-point soldering, so that the positions of the welding points on the bottom of the PCB board 4 are conveniently controlled.

[0039] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0040] In the description of the utility model, it is understood that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrally connected, can be mechanically connected, or can be electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0041] According to the ideal embodiment of the utility model, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the contents in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A multi-spot welding device for a compressor circuit board, comprising a base frame (1), characterized in that: The base frame (1) is provided with a base (11), and a plurality of solder nozzles (5) are provided on the base frame (1). The base frame (1) is also provided with a telescopic component (2), and the output end of the telescopic component (2) is connected to a top plate (3) for mounting a PCB board (4), and a plurality of plug-in components (9) are also provided on the top plate (3).

2. The multi-spot welding device for a compressor circuit board according to claim 1, characterized in that: A base is provided on each of the plurality of solder nozzles (5), and the base slides on the pedestal (11) via a second slide groove (12).

3. The multi-spot welding device for a compressor circuit board according to claim 2, characterized in that: A rotating screw (7) passing through the plurality of bases is provided in the second slide groove (12), a driving motor (6) is provided on the inner wall of the base frame (1), and an output end of the driving motor (6) is fixedly connected to the rotating screw (7).

4. The multi-spot welding device for a compressor circuit board according to claim 1, characterized in that: Brackets (14) for supporting the PCB board (4) are provided on both sides of the top plate (3), and threaded rods (13) for lifting the brackets (14) are provided on the top plate (3).

5. The multi-spot welding device for a compressor circuit board according to claim 1, characterized in that: The PCB board (4) is provided with a plurality of holes for soldering.

6. The multi-spot welding device for a compressor circuit board according to claim 1, characterized in that: A first sliding groove (10) is provided at the bottom of the top plate (3), and a sliding frame (8) slides in the first sliding groove (10).

7. The multi-spot welding device for a compressor circuit board according to claim 6, characterized in that: The sliding frame (8) is provided with an inserting element (9) for welding.

8. The multi-spot welding device for a compressor circuit board according to claim 1, characterized in that: A rubber gasket is provided at the bottom of the top plate (3), and the rubber gasket and the bracket (14) are used to clamp the PCB board (4).

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