Point tin ball machine
By using the fixture movement and positioning camera of the solder ball spotting machine, precise spot welding of solder balls is achieved, solving the problems of uneven solder quantity and low production efficiency, and improving welding quality and efficiency.
Patent Information
- Application Number
- CN202211722333.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-12-30
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2042-12-30
AI Technical Summary
In existing technologies, manual solder paste application and soldering machines result in uneven solder amount on the pads, leading to poor soldering and low production efficiency. Furthermore, the solder ball spot soldering on the chip surface cannot be precisely controlled, easily resulting in problems such as missing or excessive solder balls.
A solder ball spotting machine is used, which moves along a transport rail with a fixture. Combined with a positioning camera and multiple moving stages, the position of the spotting head is precisely controlled to achieve precise spot soldering of solder balls.
It solves the problem of uneven solder ball spot welding, improves production efficiency, ensures precise spot welding of solder balls on the chip surface, and avoids the phenomenon of missing or excessive solder balls.
Smart Images

Figure CN115968128B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the field of spot tin machines, in particular to a spot tin and spot ball machine. BACKGROUND
[0002] With the miniaturization, complication, diversification and mixed process production of SMT product processes, some high-end products need to be subjected to conventional lead-free soldering and then subjected to Undefill + low-temperature soldering process. At present, manual spot tin paste and spot tin machines can cause uneven tin amount on pads (problems such as tin too much, tin too little, tin too thick and tin offset), and thus cause the sensor to be floated after being subjected to the oven, and tin too much and other defects occur, and the production efficiency is low, therefore, the invention patent with the patent number "202120611047.7" "spot tin machine capable of uniformly coating spot tin" is used to solve the problems, but the invention still has the following defects: when the chip surface is subjected to spot tin ball welding, accurate spot welding cannot be performed, and the chip surface can be subjected to spot tin ball missing or spot tin ball too much, and therefore the spot tin and spot ball machine is proposed. SUMMARY
[0003] The application is aimed at providing a technical solution to solve the above problems.
[0004] The spot tin and spot ball machine comprises a workbench, a support plate is horizontally arranged at the middle position of the surface of the workbench, a second support frame is arranged on the surface of the support plate, first conveying rails and second conveying rails are horizontally arranged on the left and right sides of the second support frame, the first conveying rails and the second conveying rails are horizontally arranged on the workbench, jigs are horizontally arranged at the top ends of the first conveying rails and the second conveying rails, the jigs move on the top ends of the first conveying rails and the second conveying rails, first support frames are vertically arranged on the left and right sides of the surface of the workbench, first moving tables are horizontally arranged at the top ends of the first support frames, second moving tables are vertically arranged on the side edges of the first moving tables, first fixing frames are vertically arranged at the right side of the side surface of the first moving table, third moving tables are vertically arranged on the front side of the first fixing frame, spot ball working heads are vertically arranged at the bottom ends of the third moving tables, and the spot ball working heads move on the second moving tables through the third moving tables.
[0005] Preferably, a third support frame is obliquely arranged at the top end of the second support frame, the third support frame moves obliquely on the top end of the second support frame, and a support table is vertically arranged at the top end of the third support frame.
[0006] Preferably, lifting rods are vertically arranged at the four corners of the surface of the support plate, and there are at least four lifting rods, limit rings are horizontally arranged at the top ends of the lifting rods, and the limit rings are parallel to the support plate.
[0007] Preferably, the top end of the first and second conveying rails are each provided with a conveying belt, and the conveying belts are at the same horizontal plane as the top end of the first and second conveying rails, a second driving adjusting rod is arranged at the left side of the side edge of the second conveying rail, and the second driving adjusting rod penetrates through the second conveying rail and is drivingly connected with the first conveying rail, a first driving adjusting rod is arranged at the side edge of the second driving adjusting rod, and the first driving adjusting rod is drivingly connected with the conveying belt at the top end of the second and first conveying rails respectively.
[0008] Preferably, the bottom end of the second conveying rail is provided with a first driving motor and a second driving motor at both sides respectively, and the first and second driving motors are located at the bottom end of the workbench, the first driving motor is drivingly connected with the first driving adjusting rod, and a first transmission belt is arranged at the connection between the first driving motor and the first driving adjusting rod, the second driving motor is drivingly connected with the second driving adjusting rod, and a second transmission belt is arranged at the connection between the second driving motor and the second driving adjusting rod.
[0009] Preferably, a second fixing frame is arranged at the top end of the left side of the second moving table, and a positioning camera is vertically arranged in the second fixing frame, and the positioning camera and the workbench are parallel to each other, and a positioning ring is arranged at the bottom end of the left side of the second moving table, and the positioning ring and the positioning camera are parallel to each other, and the workbench is positioned through cooperation between the positioning camera and the positioning ring.
[0010] Preferably, a solder ball vibration disc is arranged on the surface of the workbench, and the solder ball vibration disc is located at the side edge of the first conveying rail, and the solder ball vibration disc is used for vibrating and conveying the solder balls to the top end, a lens placing frame is arranged at the side edge of the solder ball vibration disc, and lenses of different specifications are placed on the lens placing frame.
[0011] Compared with the prior art, the jig is moved to the second supporting frame through the first and second conveying rails, so that the chip placed on the surface of the jig is lifted, the chip is positioned by the positioning camera, the position of the solder ball working head is controlled through cooperation between the first, second and third moving tables, and then the solder balls at the top end of the solder ball vibration disc are adsorbed by the solder ball working head and spot-welded to the chip on the surface of the jig, thereby solving the technical problems in the prior art that the chip surface cannot be accurately spot-welded when the solder balls are spot-welded on the chip surface, and the chip surface may have missing or excessive solder balls.
[0012] Additional aspects and advantages of the application will be made apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to make the technical solutions of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only need to be some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0014] Figure 1 It is a structural schematic diagram of a point tin ball machine.
[0015] Figure 2 It is a structural schematic diagram of a workbench.
[0016] Figure 3 It is another structural schematic diagram of a workbench.
[0017] Figure 4 It is still another structural schematic diagram of a workbench.
[0018] Figure 5 It is a structural schematic diagram of a support table.
[0019] Figure 6 It is a structural schematic diagram of a first support frame.
[0020] Figure 7 It is a structural schematic diagram of a second moving table.
[0021] Figure 8 It is another structural schematic diagram of a second moving table.
[0022] Shown in the figure: 1, machine cover, 2, workbench, 3, first support frame, 4, first conveying guide rail, 5, second conveying guide rail, 6, first driving adjusting rod, 7, first transmission belt, 8, second driving adjusting rod, 9, second transmission belt, 10, jig, 11, tin ball vibration disc, 12, support plate, 13, first driving motor, 14, second driving motor, 15, lifting rod, 16, limiting ring, 17, support table, 18, second support frame, 19, third support frame, 20, first driving module, 21, first moving table, 22, second moving table, 23, second driving module, 24, positioning camera, 25, positioning ring, 26, driving cylinder, 27, third moving table, 28, point ball working head, 29, first fixed frame, 30, second fixed frame. DETAILED DESCRIPTION
[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of the present application.
[0024] Please refer to Figures 1-8 In the embodiments of the present application, the tin ball point machine comprises a workbench 1, a support plate 12 is horizontally arranged at the middle position of the surface of the workbench 1, a second support frame 18 is arranged on the surface of the support plate 12, first conveying rails 4 and second conveying rails 5 are horizontally arranged on the left and right sides of the second support frame 18 respectively, the first conveying rails 4 and the second conveying rails 5 are parallel to each other, and the first conveying rails 4 and the second conveying rails 5 are horizontally arranged on a workbench 2, jigs 10 are horizontally arranged at the top ends of the first conveying rails 4 and the second conveying rails 5, the jigs 10 move on the top ends of the first conveying rails 4 and the second conveying rails 5, and the jigs 10 move to the second support frame 18 through the first conveying rails 4 and the second conveying rails 5, so as to point tin balls on the chips placed on the surface of the jigs 10, first support frames 3 are vertically arranged on the left and right sides of the surface of the workbench 1, first moving tables 21 are horizontally arranged at the top ends of the first support frames 3, the first moving tables 21 are parallel to the workbench 1 and move on the top ends of the first support frames 3, second moving tables 22 are vertically arranged on the side edges of the first moving tables 21 and move on the first moving tables 21, first fixing frames 29 are vertically arranged at the right side of the side surface of the first moving tables 21, third moving tables 27 are vertically arranged on the front side of the first fixing frames 29, the third moving tables 27 move on the first fixing frames 29, ball working heads 28 are vertically arranged at the bottom ends of the third moving tables 27 and move on the second moving tables 22 through the third moving tables 27, the positions of the ball working heads 28 are controlled through the cooperation of the first moving tables 21, the second moving tables 22 and the third moving tables 27, and the tin balls are pointed on the surface of the chips.
[0025] The third support frames 19 are obliquely arranged at the top ends of the second support frames 18 and move obliquely on the top ends of the second support frames 18, support tables 17 are vertically arranged at the top ends of the third support frames 19, the support tables 17 are lifted on the surface of the support plate 12 through the second support frames 18, and the jigs 10 are lifted through the cooperation of the second support frames 18 and the support tables 17.
[0026] The four corners of the surface of the support plate 12 are vertically provided with lifting rods 15, and there are at least four lifting rods 15, the top end of the lifting rod 15 is transversely provided with a limiting ring 16, and the limiting ring 16 and the support plate 12 are parallel to each other, and the third support frame 19 is limited in lifting by the limiting ring 16, preventing the third support frame 19 from deviating during lifting.
[0027] The top end of the first conveying guide rail 4 and the second conveying guide rail 5 is drivingly provided with a conveying belt (not shown in the figure), and the conveying belt is in the same horizontal plane as the top end of the first conveying guide rail 4 and the second conveying guide rail 5, and the jig 10 placed on the top end of the first conveying guide rail 4 and the second conveying guide rail 5 is conveyed by the conveying belt, the left side of the side edge of the second conveying guide rail 5 is provided with a second driving adjusting rod 8, the second driving adjusting rod 8 penetrates through the second conveying guide rail 5 and is drivingly connected with the first conveying guide rail 4, and the gap between the first conveying guide rail 4 and the second conveying guide rail 5 is adjusted by the second driving adjusting rod 8, so that different models of jigs 10 can be conveyed, the side edge of the second driving adjusting rod 8 is provided with a first driving adjusting rod 6, and the first driving adjusting rod 6 is drivingly connected with the conveying belt at the top end of the second conveying guide rail 5 and the first conveying guide rail 4 respectively, and the first driving adjusting rod 6 drives the conveying belt to work.
[0028] The bottom end of the second conveying guide rail 5 is provided with a first driving motor 13 and a second driving motor 14 respectively, and the first driving motor 13 and the second driving motor 14 are located at the bottom end of the workbench 2, the first driving motor 13 is drivingly connected with the first driving adjusting rod 6, and a first transmission belt 7 is arranged at the connection between the first driving motor 13 and the first driving adjusting rod 6, and the first driving motor 13 drives the first driving adjusting rod 6 to rotate through the first transmission belt 7, the second driving motor 14 is drivingly connected with the second driving adjusting rod 8, and a second transmission belt 9 is arranged at the connection between the second driving motor 14 and the second driving adjusting rod 8, and the second driving motor 14 drives the second driving adjusting rod 8 to rotate through the second transmission belt 9.
[0029] The top end of the left side of the second moving table 22 is provided with a second fixing frame 30, and a positioning camera 24 is vertically arranged in the second fixing frame 30, and the positioning camera 24 and the workbench 2 are parallel to each other, the bottom end of the left side of the second moving table 22 is provided with a positioning ring 25, and the positioning ring 25 and the positioning camera 24 are parallel to each other, and the chip on the workbench 2 is positioned by cooperation between the positioning camera 24 and the positioning ring 25.
[0030] The workbench 2 is provided with a tin ball vibrating disc 11, and the tin ball vibrating disc 11 is located at the side of the first conveying rail 4, and tin balls are vibrated and conveyed to the top end through the tin ball vibrating disc 11, and then the tin balls at the top end of the tin ball vibrating disc 11 are adsorbed and spot-welded to the chips on the surface of the jig 10 through the ball-pointing work head 28, and the side of the tin ball vibrating disc 11 is provided with a lens placing rack (not shown in the figure), and different specifications of lenses are placed on the lens placing rack, so that the lenses can be replaced in time when the positioning camera 24 faces different types of chips for positioning.
[0031] It will be obvious to a person skilled in the art that, without departing from the spirit or essential characteristics of the application, the present application can be implemented in other specific forms. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the description given above, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims
1. A spot tin ball machine comprising a worktable, characterized in that, The middle position of the workbench surface is transversely provided with a support plate, and the surface of the support plate is provided with a second support frame, the left and right sides of the second support frame are respectively transversely provided with a first conveying guide rail and a second conveying guide rail, and the first conveying guide rail and the second conveying guide rail are transversely arranged on the workbench, the top end of the first conveying guide rail and the second conveying guide rail is transversely placed with a jig, and the jig moves on the top end of the first conveying guide rail and the second conveying guide rail, the left and right sides of the surface of the workbench are vertically provided with a first support frame, and the top end of the first support frame is transversely provided with a first moving table, and the side edge of the first moving table is vertically provided with a second moving table, the right side of the side of the first moving table is vertically provided with a first fixing frame, and the front side of the first fixing frame is vertically provided with a third moving table, the bottom end of the third moving table is vertically provided with a ball working head, and the ball working head moves on the second moving table through the third moving table. The top end of the first conveying guide rail and the second conveying guide rail is driven to be provided with a conveying belt, and the conveying belt is in the same horizontal plane with the top end of the first conveying guide rail and the second conveying guide rail, the left side of the side edge of the second conveying guide rail is provided with a second drive adjusting rod, and the second drive adjusting rod penetrates through the second conveying guide rail and is drivingly connected with the first conveying guide rail, the side edge of the second drive adjusting rod is provided with a first drive adjusting rod, and the first drive adjusting rod is drivingly connected with the conveying belt at the top end of the second conveying guide rail and the first conveying guide rail respectively. The left and right sides of the bottom end of the second conveying guide rail are respectively provided with a first drive motor and a second drive motor, and the first drive motor and the second drive motor are respectively located at the bottom end of the workbench, the first drive motor is drivingly connected with the first drive adjusting rod, and a first transmission belt is arranged at the connection between the first drive motor and the first drive adjusting rod, the second drive motor is drivingly connected with the second drive adjusting rod, and a second transmission belt is arranged at the connection between the second drive motor and the second drive adjusting rod. The top end of the left side of the second moving table is provided with a second fixing frame, the inside of the second fixing frame is vertically provided with a positioning camera, and the positioning camera and the workbench are parallel to each other, the bottom end of the left side of the second moving table is provided with a positioning ring, and the positioning ring and the positioning camera are parallel to each other, and the chip on the workbench is positioned by cooperation between the positioning camera and the positioning ring. The surface of the workbench is provided with a tin ball vibrating disc, and the tin ball vibrating disc is located at the side edge of the first conveying guide rail, and the tin ball vibrating disc vibrates and transports the tin ball to the top end, the side edge of the tin ball vibrating disc is provided with a lens placing frame, and lenses of different specifications are placed on the lens placing frame.
2. The point-tin point-ball machine of claim 1, wherein The top end of the second support frame is obliquely driven to be provided with a third support frame, and the third support frame moves obliquely on the top end of the second support frame, and the top end of the third support frame is vertically provided with a support table.
3. The point-tin point-ball machine of claim 1, wherein The top end of the left side of the second moving table is provided with a second fixing frame, the inside of the second fixing frame is vertically provided with a positioning camera, and the positioning camera and the workbench are parallel to each other, the bottom end of the left side of the second moving table is provided with a positioning ring, and the positioning ring and the positioning camera are parallel to each other, and the chip on the workbench is positioned by cooperation between the positioning camera and the positioning ring.
Citation Information
Patent Citations
Tin dispensing machine capable of realizing uniform coating of dispensed tin
CN214481560U
Tinning ball machine
CN218868460U