Spot welding feeding mechanism

Abstract

The spot welding feeding mechanism comprises a bottom plate, a supporting plate, a moving device and a conveying mechanism, the bottom plate and the supporting plate are fixedly connected, a machining table is arranged in the middle of the side surface of the bottom plate, a second electromagnet is arranged at the circle center position of the machining table, and a guide rail and a moving sliding block are arranged on the surface of the top of the supporting plate. The guide rail is mounted on the surface of the support plate; a conveying belt conveys a clamp plate, a positioning plate limits the clamp plate, a lifting air cylinder operates and enables a material suction frame to move downwards, a first electromagnet firmly adsorbs the clamp plate after being charged, the lifting air cylinder operates and enables the material suction frame and the clamp plate to move upwards, a sliding table air cylinder operates to enable the material suction frame and the clamp plate to move horizontally, and a rotating air cylinder operates. And the material suction frame and the clamp plate rotate to the upper side position of the machining table, the first electromagnet is powered off, the first electromagnet loosens the clamp plate, the clamp plate is automatically fed to the machining table, and the clamp plate clamping the circuit board can be fed to the spot welding position.

Description

Technical Field

[0001] The utility model belongs to the technical field of spot welding processing of circuit boards, and in particular relates to a spot welding feeding mechanism. Background Art

[0002] There is a spot welding step in the processing of circuit boards. Generally, the workpiece is placed on a fixture plate, and the furniture board is manually placed on a spot welding table. The spot welding robot realizes the spot welding processing of the circuit board. The Chinese utility model patent application number CN202321311814.8 discloses a spot welding feeding device. The spot welding processing of circuit boards is a conventional welding processing method.

[0003] When spot welding a circuit board, it is necessary to manually place the fixture plate that clamps the circuit board on the spot welding workbench. During the spot welding process, the operator is required to perform corresponding manual operations on site, which poses a safety hazard and also takes time to calibrate the position of the furniture board and the spot welding gun. When spot welding a circuit board, there is a problem that the fixture plate that clamps the circuit board cannot be fed to the spot welding position. For this reason, the present application proposes a spot welding feeding mechanism. Utility Model Content

[0004] The utility model aims to provide a spot welding feeding mechanism to solve the problem in the background art that the clamping plate for clamping the circuit board cannot be fed to the spot welding position.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spot welding feeding mechanism, comprising a fixedly connected base plate and a support plate, a moving device and a conveying mechanism, a processing table is provided at the middle position of the side surface of the base plate, a second electromagnet is provided at the center position of the processing table, a guide rail and a movable slider are provided on the top surface of the support plate, and the guide rail is installed on the surface of the support plate, the moving device comprises a slide cylinder, a fixedly connected rotating cylinder and a lifting cylinder, and a suction rack, the slide cylinder is installed on the movable slider, the rotating cylinder is installed at a position between the slide cylinder and the lifting cylinder, the suction rack comprises a connecting arm, a connecting plate and a first electromagnet, the connecting plate is connected to the bottom end of the connecting arm, the first electromagnet is installed on the bottom surface of the connecting plate, the conveying mechanism comprises a driving motor, a first fixed plate and a main shaft connected by a bearing, a conveyor belt and a chain transmission assembly, the main shaft is installed between the opposite surfaces of the first fixed plate, and the driving motor is connected to the first fixed plate.

[0006] Preferably, the support plate includes a lower vertical portion and an upper horizontal portion, the lower vertical portion is perpendicular to the surface of the bottom plate, the guide rail is installed on the surface of the upper horizontal portion, and the movable slider is slidably connected to the guide rail.

[0007] Preferably, a symmetrical supporting slider is provided on the outer side of the guide rail, a connecting rod is connected between the movable slider and the supporting slider, the bottom surface of the slide cylinder coincides with the top surface of the supporting slider, and a first locking screw passes through the movable slider.

[0008] Preferably, a movable slide is provided on the slide cylinder, a first mounting plate is provided at the bottom of the rotating cylinder, a second mounting plate is provided at the bottom of the lifting cylinder, and the rotating cylinder and the second mounting plate, the first mounting plate and the movable slide are screwed together by screws.

[0009] Preferably, the connecting arm is an "L"-shaped structure, the connecting arm is perpendicular to the connecting plate, the first electromagnets on the connecting plate are symmetrically distributed, and the top surface of the processing table is flush with the top surface of the conveyor belt.

[0010] Preferably, a positioning piece is provided on the first fixed plate on one side, and the positioning piece includes a stabilizing plate, a pull-out plate and a positioning plate. The stabilizing plate is an "L"-shaped structure, the stabilizing plate is connected to the first fixed plate, and the pull-out plate passes through the end of the stabilizing plate and is connected to the positioning plate.

[0011] Preferably, a positioning mechanism is provided on the bottom plate, and the positioning mechanism includes a fixedly connected vertical plate and a second fixed plate, a two-way adjustment shaft, a fixedly connected positioning slider and a positioning rod, one end of the two-way adjustment shaft passing through the vertical plate is connected to the inner side wall of the second fixed plate, the two-way adjustment shaft passes through the symmetrically distributed positioning sliders, and the top end of the positioning rod is connected to the positioning slider.

[0012] Preferably, the second fixing plate is an "L"-shaped structure, and a limiting plate is provided on the top surface of the positioning slide block, and the top surface of the limiting plate is consistent with the bottom surface of the top end of the second fixing plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, the conveyor belt conveys the clamp plate, the positioning plate limits the clamp plate, the lifting cylinder operates and moves the suction rack downward, the first electromagnet is charged and firmly adsorbs the clamp plate, the lifting cylinder operates and moves the suction rack and the clamp plate upward, the slide cylinder operates to horizontally displace the suction rack and the clamp plate, the rotating cylinder operates, the suction rack and the clamp plate rotate to the upper side position of the processing table, the first electromagnet is powered off, the first electromagnet releases the clamp plate, and the clamp plate is automatically loaded onto the processing table, and the clamp plate clamping the circuit board can be fed to the spot welding position. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 For the utility model Figure 1A schematic diagram of the enlarged structure of the middle part A;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the connecting plate of the utility model;

[0018] Figure 4 It is a schematic diagram of the top view of the bottom plate of the utility model;

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the positioning member of the utility model;

[0020] Figure 6 It is a side view structural schematic diagram of the vertical plate of the utility model;

[0021] In the figure: 1, bottom plate; 2, support plate; 4, slide cylinder; 8, processing table; 10, positioning piece; 31, guide rail; 32, moving slider; 51, rotating cylinder; 52, lifting cylinder; 61, connecting arm; 62, connecting plate; 63, first electromagnet; 71, first fixed plate; 72, driving motor; 73, conveyor belt; 74, chain transmission assembly; 75, main shaft; 81, second electromagnet; 91, vertical plate; 92, two-way adjustment shaft; 93, second fixed plate; 94, positioning slider; 95, positioning rod; 101, stabilizing plate; 102, pull-out plate; 103, positioning plate; 941, limiting plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] See also Figures 1 to 5The utility model provides a technical solution: a spot welding feeding mechanism, including a fixedly connected bottom plate 1 and a support plate 2, a moving device and a conveying mechanism, the bottom plate 1 and the support plate 2 are screwed together, a processing table 8 is provided in the middle position of the side surface of the bottom plate 1, and a second electromagnet 81 is provided at the center position of the processing table 8, the processing table 8 and the bottom plate 1 are screwed together, and a clamping plate for clamping a circuit board is placed on the surface of the processing table 8 for easy spot welding. After the second electromagnet 81 is charged, it firmly adsorbs the clamping plate made of metal material, so that the clamping plate remains stable during the spot welding process; a guide rail 31 and a movable slider 32 are provided on the top surface of the support plate 2, and the guide rail 31 is installed On the surface of the support plate 2, the guide rail 31 is screwed and connected to the support plate 2 by screws. The moving device includes a slide cylinder 4, a fixedly connected rotating cylinder 51 and a lifting cylinder 52, and a suction rack. The slide cylinder 4 is installed on the moving slider 32, and the rotating cylinder 51 is installed at a position between the slide cylinder 4 and the lifting cylinder 52. The suction rack includes a connecting arm 61, a connecting plate 62 and a first electromagnet 63. The connecting plate 62 is connected to the bottom end of the connecting arm 61, and the connecting plate 62 is screwed and connected to the connecting arm 61 by screws. The first electromagnet 63 is installed on the bottom surface of the connecting plate 62, and the first electromagnet 63 is screwed and connected to the connecting plate 62 by screws. The lifting cylinder 52 is running and in a shortened state, the suction rack moves down, the first electromagnet 63 is charged and firmly absorbs the fixture plate transported by the conveyor belt 73, the lifting cylinder 52 is running and in an extended state, the suction rack and the fixture plate move up, the slide cylinder 4 runs to a suitable position, the rotating cylinder 51 runs, the suction rack and the fixture plate rotate to the upper side of the processing table 8, the lifting cylinder 52 is running and in a shortened state, the suction rack and the fixture plate move down, the first electromagnet 63 is powered off, the first electromagnet 63 releases the fixture plate, and the fixture plate is automatically loaded onto the processing table 8; the conveying mechanism includes a driving motor 72, a first fixed plate 71 connected by a bearing and a spindle 7 5. Conveyor belt 73 and chain transmission assembly 74. Chain transmission assembly 74 adopts a conventional sprocket transmission structure. Chain transmission assembly 74 includes two sprockets and a driving chain. The main shaft 75 passes through the sprocket. The driving chain is sleeved on the outside of the sprocket. The driving motor 72 runs and drives the main shaft 75 to rotate. The chain transmission assembly 74 drives another main shaft 75 to rotate. The conveyor belt 73 rotates and transports the fixture plate. The main shaft 75 is installed between the opposite surfaces of the first fixed plate 71. The main shaft 75 is connected to the first fixed plate 71 through a bearing. The driving motor 72 is connected to the first fixed plate 71. The driving motor 72 is connected to the first fixed plate 71 by screws.

[0025] In this embodiment, the support plate 2 includes a lower vertical portion and an upper horizontal portion. The lower vertical portion is perpendicular to the surface of the base plate 1. The guide rail 31 is installed on the surface of the upper horizontal portion. The movable slider 32 is slidably connected to the guide rail 31, and the position of the movable slider 32 on the outside of the guide rail 31 can be changed. A symmetrical supporting slider is provided on the outside of the guide rail 31. A connecting rod is connected between the movable slider 32 and the supporting slider. The bottom surface of the slide cylinder 4 is consistent with the top surface of the supporting slider. The supporting slider plays the role of supporting the slide cylinder 4. A first locking screw runs through the movable slider 32. The first locking screw plays the role of firmly fixing the movable slider 32 and the guide rail 31.

[0026] In this embodiment, a movable slide is provided on the slide cylinder 4, a first mounting plate is provided at the bottom of the rotating cylinder 51, and a second mounting plate is provided at the bottom of the lifting cylinder 52. The rotating cylinder 51 and the second mounting plate, and the first mounting plate and the movable slide are screwed together by screws. The rotating cylinder 51 plays a role in adjusting the angle of the suction rack, and the lifting cylinder 52 plays a role in lifting the suction rack.

[0027] In this embodiment, the connecting arm 61 is an "L"-shaped structure, the connecting arm 61 is perpendicular to the connecting plate 62, the first electromagnets 63 on the connecting plate 62 are symmetrically distributed, the top surface of the processing table 8 is flush with the top surface of the conveyor belt 73, and the first electromagnet 63 firmly adsorbs the fixture plate transported by the conveyor belt 73 after being charged. A positioning member 10 is provided on the first fixed plate 71 on one side, and the positioning member 10 includes a stabilizing plate 101, a pull-out plate 102 and a positioning plate 103. The stabilizing plate 101 is an "L"-shaped structure, the stabilizing plate 101 is connected to the first fixed plate 71, the pull-out plate 102 passes through the end of the stabilizing plate 101 and is connected to the positioning plate 103, the stabilizing plate 101 is connected to the first fixed plate 71 by screws, and the positioning plate 103 plays the role of a limiting fixture plate, so that it corresponds to the first electromagnet 63.

[0028] To sum up: the conveyor belt 73 transports the fixture plate, the positioning plate 103 limits the fixture plate, the lifting cylinder 52 operates and moves the suction frame downward, the first electromagnet 63 is charged and firmly adsorbs the fixture plate transported by the conveyor belt 73, the lifting cylinder 52 operates and moves the suction frame and the fixture plate upward, the slide cylinder 4 operates to horizontally displace the suction frame and the fixture plate, the rotating cylinder 51 operates, the suction frame and the fixture plate rotate to the upper position of the processing table 8, the first electromagnet 63 is powered off, the first electromagnet 63 releases the fixture plate, and automatically loads the fixture plate onto the processing table 8.

[0029] Example 2

[0030] See also Figures 1 to 6, which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. In order to increase the anti-deflection effect, a positioning mechanism is provided on the bottom plate 1, and the positioning mechanism includes a fixedly connected vertical plate 91 and a second fixed plate 93, a two-way adjustment shaft 92, a fixedly connected positioning slider 94 and a positioning rod 95. The positioning rod 95 is an inverted "T"-shaped structure. The opposing positioning rods 95 limit the clamp plate so that it is located at the center position of the conveyor belt 73 to prevent the clamp plate from deflecting during transportation. One end of the two-way adjustment shaft 92 that passes through the vertical plate 91 is connected to the inner side wall of the second fixed plate 93, and the two-way adjustment shaft 92 passes through the symmetrically distributed positioning slider 94. The positioning slider 94 moves along the axial direction of the two-way adjustment shaft 92, and the top of the positioning rod 95 is connected to the positioning slider 94. The end of the two-way adjustment shaft 92 that passes through the vertical plate 91 is provided with a hand wheel. By rotating the hand wheel, the two-way adjustment shaft 92 rotates, so that the positioning slider 94 slides in the same direction, thereby changing the spacing between the opposing positioning rods 95, so as to adapt to clamp plates of different widths.

[0031] In this embodiment, the second fixed plate 93 is an "L"-shaped structure, and the top surface of the positioning slider 94 is provided with a limiting plate 941. The top surface of the limiting plate 941 is consistent with the bottom surface of the top end of the second fixed plate 93. The limiting plate 941 plays a positioning role to prevent the positioning slider 94 from being tilted.

[0032] In summary: the two-way adjustment shaft 92 rotates to make the positioning slider 94 slide in the same direction, thereby changing the distance between the opposite positioning rods 95. The opposite positioning rods 95 limit the clamping plate so that it is located at the center of the conveyor belt 73 to prevent the clamping plate from deflecting during transportation.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spot welding feeding mechanism, comprising a fixedly connected bottom plate (1) and a support plate (2), a moving device and a conveying mechanism, characterized in that: A processing table (8) is provided at the middle position of the side surface of the bottom plate (1), and a second electromagnet (81) is provided at the center position of the processing table (8). A guide rail (31) and a movable slider (32) are provided on the top surface of the support plate (2), and the guide rail (31) is installed on the surface of the support plate (2). The moving device comprises a slide cylinder (4), a rotating cylinder (51) and a lifting cylinder (52) that are fixedly connected, and a suction frame. The slide cylinder (4) is installed on the movable slider (32), and the rotating cylinder (51) is installed between the slide cylinder (4) and the lifting cylinder (52). The suction frame comprises a connecting arm (61), a connecting plate (62) and a first electromagnet (63), wherein the connecting plate (62) is connected to the bottom end of the connecting arm (61), and the first electromagnet (63) is installed on the bottom surface of the connecting plate (62). The conveying mechanism comprises a driving motor (72), a first fixed plate (71) and a main shaft (75) connected by bearings, a conveying belt (73) and a chain transmission assembly (74), wherein the main shaft (75) is installed between opposite surfaces of the first fixed plate (71), and the driving motor (72) is connected to the first fixed plate (71).

2. A spot welding feeding mechanism according to claim 1, characterized in that: The support plate (2) comprises a lower vertical portion and an upper horizontal portion, the lower vertical portion is perpendicular to the surface of the bottom plate (1), the guide rail (31) is installed on the surface of the upper horizontal portion, and the movable slider (32) is slidably connected to the guide rail (31).

3. A spot welding feeding mechanism according to claim 1, characterized in that: A symmetrical supporting slider is provided on the outer side of the guide rail (31), a connecting rod is connected between the movable slider (32) and the supporting slider, the bottom surface of the slide cylinder (4) is consistent with the top surface of the supporting slider, and a first locking screw passes through the movable slider (32).

4. A spot welding feeding mechanism according to claim 1, characterized in that: The slide cylinder (4) is provided with a movable slide, the bottom of the rotating cylinder (51) is provided with a first mounting plate, the bottom of the lifting cylinder (52) is provided with a second mounting plate, and the rotating cylinder (51) and the second mounting plate, and the first mounting plate and the movable slide are screwed together by screws.

5. A spot welding feeding mechanism according to claim 1, characterized in that: The connecting arm (61) is an "L"-shaped structure. The connecting arm (61) is perpendicular to the connecting plate (62). The first electromagnets (63) on the connecting plate (62) are symmetrically distributed. The top surface of the processing table (8) is flush with the top surface of the conveyor belt (73).

6. A spot welding feeding mechanism according to claim 1, characterized in that: A positioning member (10) is provided on the first fixed plate (71) on one side, and the positioning member (10) comprises a stabilizing plate (101), a pull-out plate (102) and a positioning plate (103); the stabilizing plate (101) is an "L"-shaped structure; the stabilizing plate (101) is connected to the first fixed plate (71); and the pull-out plate (102) passes through the end of the stabilizing plate (101) and is connected to the positioning plate (103).

7. A spot welding feeding mechanism according to claim 1, characterized in that: The bottom plate (1) is provided with a positioning mechanism, which comprises a fixedly connected vertical plate (91) and a second fixed plate (93), a two-way adjustment shaft (92), a fixedly connected positioning slide block (94) and a positioning rod (95), one end of the two-way adjustment shaft (92) passing through the vertical plate (91) is connected to the inner side wall of the second fixed plate (93), the two-way adjustment shaft (92) passes through the symmetrically distributed positioning slide blocks (94), and the top end of the positioning rod (95) is connected to the positioning slide block (94).

8. A spot welding feeding mechanism according to claim 7, characterized in that: The second fixing plate (93) is an "L"-shaped structure, and the top surface of the positioning slide block (94) is provided with a limiting plate (941), and the top surface of the limiting plate (941) is consistent with the bottom surface of the top end of the second fixing plate (93).

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