Surface mounting device for SMT (Surface Mount Technology) surface mounting welding

Abstract

The utility model relates to the technical field of surface mounting devices, and discloses a surface mounting device for SMT surface mounting welding, which comprises a machine body, a clamping table is fixedly connected to the top end of the inner wall of the machine body, a first motor is fixedly connected to the front end of the inner wall of the clamping table, and an ejector rod is fixedly connected to the driving end of the first motor. A special-shaped block is fixedly connected to the bottom end of the inner wall of the clamping table, lantern rings are slidably connected to the left end and the right end of the ejector rod correspondingly, rotating shafts are rotatably connected to the top ends of the lantern rings, short columns are rotatably connected to the bottom ends of the lantern rings, first sliding blocks are rotatably connected to the other ends of the short columns, and two grooves are formed in the top end of the clamping table. A box body is slidably connected to the inner wall of the groove, and a sliding groove is formed in the box body. According to the utility model, flexible clamping is realized when the PCB is clamped, so that excessive pressure is not applied to the PCB when the PCB is clamped, the PCB is not easy to damage, and the purpose of improving the product quality is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of patch devices, in particular to a patch device for SMT patch welding. Background Art

[0002] The patch device for SMT patch welding is an automated equipment used to accurately mount surface mount components (SMD) onto printed circuit boards (PCBs). It includes a feeding system, a conveying system, a visual recognition system, and a precise positioning device. The feeding system provides SMD components from trays or belts, the conveying system transports the components to the correct position, the visual recognition system detects the component position and makes corrections, and the precise positioning device ensures that the components are accurately mounted on the PCB pads. This patch device improves production efficiency and welding quality.

[0003] After searching, Chinese patent announcement number: CN213244807U discloses a patch device for SMT patch welding, including a slide rack, the number of the slide racks is two groups, the surface of each group of the slide racks is movably connected with a slider, the surface of each group of the sliders is movably connected with a connecting plate, the surface of each group of the connecting plates is threadedly connected with a bolt, the bolt is movably connected with a slide rail through a limit assembly, the surface of the slide rail is movably connected with a patch machine body, the surface of each group of the slide racks is provided with an embedding groove, the slide rack is movably connected with a patch board, the surface of the patch board is movably connected with four groups of fixed piers, each group of the fixed piers is movably connected with a lower disc through four groups of adsorption assemblies, and the upper end outer surface of each group of the lower disc is fixedly connected with a connecting column; the patch device can conveniently fix the PCB board, which is beneficial for the PCB board not to be displaced during patching, and secondly, the distance between the patch machine body and the PCB board can be adjusted to facilitate better patching.

[0004] The beneficial effects in the above patent specification mention that "through bolts and arc blocks, the height of the connecting plate can be adjusted by rotating the bolts, which is convenient for changing the height of the mount machine body when the slide rail is installed on the connecting plate. The height of the connecting column can be adjusted by the arc block, which is convenient for adjusting the distance between the mount machine body and the PCB board." Although the above patent can adjust the distance between the mount machine host and the PCB board, it is unable to achieve flexible clamping when clamping the PCB board during specific use, which may damage the PCB board and affect the product quality. For this reason, a patch device for SMT patch welding is proposed to solve the above problem. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a patch device for SMT patch welding, aiming to improve the problem that the prior art cannot achieve flexible clamping when clamping the PCB board, which will cause the PCB board to be damaged and affect the product quality.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A patch device for SMT patch welding comprises a body, the top end of the inner wall of the body is fixedly connected to a clamping platform, the front end of the inner wall of the clamping platform is fixedly connected to a motor 1, the driving end of the motor 1 is fixedly connected to a push rod, the bottom end of the inner wall of the clamping platform is fixedly connected to a special-shaped block, the left and right ends of the push rod are slidably connected to a collar, the top end of the collar is rotatably connected to a rotating shaft, the bottom end of the collar is rotatably connected to a short column, the other end of the short column is rotatably connected to a slider 1, the top end of the clamping platform is provided with two grooves, the inner wall of the groove is slidably connected to a box body, the interior of the box body is provided with a slide groove, the inner wall of the slide groove is slidably connected to a rubber pad, the outer wall of the rubber pad is fixedly connected to a limiting block, a spring is arranged inside the slide groove, and the top end of the inner wall of the body is fixedly connected to a control component.

[0008] The top end of the electric slide rail is fixedly connected to the top end of the inner wall of the machine body, and the bottom end of the electric slide rail is slidably connected to two sliding blocks 2, the bottom end of the sliding block 2 is fixedly connected to a telescopic rod, the outer side walls of the two telescopic rods are fixedly connected to a support rod, the bottom end of the support rod is fixedly connected to a hydraulic rod, and the output ends of the two hydraulic rods are fixedly connected to a chassis, the rear side of the bottom end of the chassis is fixedly connected to a rubber hose, the front side of the bottom end of the chassis is fixedly connected to a patch tube, the inner wall of the support rod at the rear end is fixedly connected to a motor 2, the driving end of the motor 2 is fixedly connected to a short rod, the other end of the short rod is rotatably connected to a long rod, and the other end of the long rod is rotatably connected to a sliding block 3, the outer side of the sliding block 3 is slidably connected to a sliding body 1, the rear side of the top end of the sliding body 1 is fixedly connected to a supporting column, the front and rear sides of the top end of the chassis are fixedly connected to the sliding body 2, and the adjacent side of the two telescopic rods at the rear end is fixedly connected to a supporting bar.

[0009] Furthermore, one end of the two rotating shafts is rotatably connected to the left and right sides of the top of the special-shaped block, and the outer side walls of the two sliding blocks are slidably connected to the left and right inner walls of the special-shaped block.

[0010] Furthermore, the bottom end of the box body is fixedly connected to the top end of the slide block 1, and the outside of the limit block is slidably connected to the inner wall of the slide groove.

[0011] Furthermore, one end of the spring is fixedly connected to one side of the inner wall of the slide slot, and the other end of the spring is fixedly connected to one side of the limit block.

[0012] Furthermore, the bottom end of the sliding body 1 is fixedly connected to the middle of the top end of the chassis, and the bottom end of the sliding block 3 is fixedly connected to the middle of the top end of the chassis.

[0013] Furthermore, the front end of the support bar is fixedly connected to the rear end of the support column, and the bottom end of the telescopic rod is slidably connected to the inner wall of the second sliding body.

[0014] Furthermore, four corners of the bottom end of the body are fixedly connected to table legs, and the top right side of the body is fixedly connected to a display screen.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, by the cooperation of the box body, the slide groove, the rubber pad, the limit block, the spring and other structures, flexible clamping is achieved when clamping the PCB board, which will not give it too much pressure when clamping the PCB board, so that it will not be easily damaged, thereby achieving the purpose of improving product quality.

[0017] 2. In the utility model, through the mutual cooperation of the support rod, hydraulic rod, chassis, rubber hose, patch tube and other structures, welding and patch integration are realized. After dripping the solder paste, it can be quickly switched to the patch mode for welding and patch processing, thereby achieving the purpose of improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a patch device for SMT patch welding proposed by the utility model;

[0019] Figure 2 This is a schematic diagram of the special-shaped block structure of a patch device for SMT patch welding proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the rubber pad structure of a patch device for SMT patch welding proposed by the utility model;

[0021] Figure 4 A schematic diagram of a structure of a slider of a patch device for SMT patch welding proposed by the utility model;

[0022] Figure 5 A schematic diagram of the structure of a motor 2 of a patch device for SMT patch welding proposed by the utility model;

[0023] Figure 6 The utility model provides a schematic diagram of the support bar structure of a patch device for SMT patch welding.

[0024] Legend:

[0025] 1. Machine body; 2. Clamping table; 3. Motor 1; 4. Special-shaped block; 5. Push rod; 6. Ring; 7. Rotating shaft; 8. Slider 1; 9. Groove; 10. Box body; 11. Slide groove; 12. Rubber pad; 13. Limit block; 14. Spring; 15. Electric slide rail; 16. Slider 2; 17. Telescopic rod; 18. Support rod; 19. Hydraulic rod; 20. Chassis; 21. Hose; 22. SMD tube; 23. Motor 2; 24. Short rod; 25. Long rod; 26. Slider 3; 27. Slider 1; 28. Support column; 29. ​​Slider 2; 30. Support bar; 31. Short column. DETAILED DESCRIPTION

[0026] 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.

[0027] Reference Figure 1 The utility model provides an embodiment: a patch device for SMT patch welding, including a body 1, the four corners of the bottom end of the body 1 are fixedly connected with table legs, the top right side of the body 1 is fixedly connected with a display screen, the table legs here provide support for the body 1 to make it stable, and the display screen displays the status of the patch, the top of the inner wall of the body 1 is fixedly connected with a clamping table 2, the front end of the inner wall of the clamping table 2 is fixedly connected with a motor 3, and the clamping table 2 here is used to clamp a PCB board.

[0028] Reference Figure 2 The driving end of the motor 3 is fixedly connected with a push rod 5, and the bottom end of the inner wall of the clamping table 2 is fixedly connected with a special-shaped block 4. The motor 3 here will drive the push rod 5 to move when it is started. The left and right ends of the push rod 5 are slidably connected with rings 6, and the top of the ring 6 is rotatably connected with a rotating shaft 7. One end of the two rotating shafts 7 is rotatably connected to the left and right sides of the top of the special-shaped block 4 respectively. The push rod 5 here will drive the rotating shaft 7 to move together when it moves, and the bottom end of the ring 6 is rotatably connected with a short column 31.

[0029] Reference Figure 2-Figure 3 The other end of the short column 31 is rotatably connected to a slider 8, and the outer side walls of the two sliders 8 are respectively slidably connected to the inner walls on the left and right sides of the special-shaped block 4. The special-shaped block 4 here serves as a limit for the slider 8 to make it move in parallel. Two grooves 9 are provided at the top of the clamping table 2, and the inner walls of the grooves 9 are slidably connected to a box body 10. The bottom end of the box body 10 is fixedly connected to the top of the slider 8. The slider 8 here provides a stable support for the box body 10, and a slide groove 11 is provided inside the box body 10.

[0030] Reference Figure 3 The inner wall of the slide groove 11 is slidably connected with a rubber pad 12, and the rubber pad 12 here can effectively prevent damage to the PCB board when clamping it. The outer wall of the rubber pad 12 is fixedly connected with a limit block 13, and the outside of the limit block 13 is slidably connected to the inner wall of the slide groove 11. A spring 14 is arranged inside the slide groove 11, and the spring 14 here makes it clamp tighter. One end of the spring 14 is fixedly connected to one side of the inner wall of the slide groove 11, and the other end of the spring 14 is fixedly connected to one side of the limit block 13.

[0031] Reference Figure 4 A control component is fixedly connected to the top of the inner wall of the body 1, and the control component here is used to control the process of solder paste and patch. The control component includes two electric slide rails 15, the top of the electric slide rail 15 is fixedly connected to the top of the inner wall of the body 1, and the bottom end of the electric slide rail 15 is slidably connected to two sliders 16, and the bottom end of the slider 16 is fixedly connected to a telescopic rod 17, and the slider 16 here plays a supporting role for the telescopic rod 17, and the outer side walls of the two telescopic rods 17 are fixedly connected to a support rod 18, and the bottom end of the support rod 18 is fixedly connected to a hydraulic rod 19, and the output ends of the two hydraulic rods 19 are fixedly connected to a chassis 20.

[0032] Reference Figure 4-Figure 5 The hydraulic rod 19 here can drive the chassis 20 to rise or fall, the bottom rear side of the chassis 20 is fixedly connected with a hose 21, and the bottom front side of the chassis 20 is fixedly connected with a patch tube 22. The hose 21 here is used for dripping solder paste, and the patch tube 22 is used for patch work. The inner wall of the rear end support rod 18 is fixedly connected with a motor 23, and the driving end of the motor 23 is fixedly connected with a short rod 24. When the motor 23 is started, it will drive the short rod 24 to move, and the other end of the short rod 24 is rotatably connected with a long rod 25.

[0033] Reference Figure 4-Figure 6 The other end of the long rod 25 is rotatably connected to a slider three 26. When the long rod 25 moves, it drives the slider three 26 to move left and right, thereby controlling the entire control component to move left and right. The bottom end of the slider three 26 is fixedly connected to the middle of the top of the chassis 20. The outside of the slider three 26 is slidably connected to a slide body 27. The bottom end of the slide body 27 is fixedly connected to the middle of the top of the chassis 20. The chassis 20 here supports the slide body 27 to stabilize it.

[0034] Reference Figure 4-Figure 6The top rear side of the slide body 27 is fixedly connected with a support column 28, the top front and rear sides of the chassis 20 are fixedly connected with a slide body 29, the bottom end of the telescopic rod 17 is slidably connected to the inner wall of the slide body 29, and the adjacent side of the two telescopic rods 17 at the rear end is fixedly connected with a support bar 30, and the front end of the support bar 30 is fixedly connected to the rear end of the support column 28. The support bar 30 here is used to further stabilize the operation of the motor 23.

[0035] Working principle: When using this device, the staff can first place the PCB board to be welded on the top of the clamping table 2 inside the body 1, and then start the motor 3. The motor 3 will drive the push rod 5 to push forward. At this time, the push rod 5 will drive the ring 6 to slide, and will drive the rotating shaft 7 and the short column 31 to move. Then, pull the slider 8 to further drive the box body 10 and the rubber pad 12 to clamp the PCB board. When the rubber pad 12 contacts the PCB board, it squeezes inward, causing it to further squeeze the spring 14 inside the slide groove 11.

[0036] At this time, the spring 14 will be compressed, clamping the PCB board while preventing it from being damaged by pressure. The limit block 13 here limits the range of movement of the rubber pad 12 so that it will not leave the inside of the slide groove 11. After clamping the PCB board, the electric slide rail 15 can be started to make the slider 2 16 slide on the electric slide rail 15, and then the motor 23 in the support rod 18 is started. The motor 23 will drive the short rod 24 and the long rod 25 to move, so that it drives the slider 3 26 to slide inside the slide body 1 27, so as to achieve the purpose of left and right adjustment.

[0037] The support column 28 here is to further stabilize the operation of this structure. After the front, back, left and right adjustments are completed, the hydraulic rod 19 can be started. At this time, the hydraulic rod 19 will drive the chassis 20 to fall, and the telescopic rod 17 here will also be telescoped. Its main purpose is to ensure the smooth descent of the chassis 20, and the support bar 30 here further ensures the stability of the support rod 18 during operation. The solder paste is dripped onto the PCB board through the hose 21, and the patch tube 22 is controlled again to patch it after the dripping is completed.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A patch device for SMT patch welding, comprising a body (1), characterized in that: The top end of the inner wall of the machine body (1) is fixedly connected to a clamping platform (2), the front end of the inner wall of the clamping platform (2) is fixedly connected to a motor (3), the driving end of the motor (3) is fixedly connected to a push rod (5), the bottom end of the inner wall of the clamping platform (2) is fixedly connected to a special-shaped block (4), the left and right ends of the push rod (5) are slidably connected to a sleeve ring (6), the top end of the sleeve ring (6) is rotatably connected to a rotating shaft (7), the bottom end of the sleeve ring (6) is rotatably connected to a short column (31), and the short column (31) is The other end is rotatably connected to a slider (8), the top of the clamping platform (2) is provided with two grooves (9), the inner wall of the groove (9) is slidably connected to a box body (10), the interior of the box body (10) is provided with a slide groove (11), the inner wall of the slide groove (11) is slidably connected to a rubber pad (12), the outer wall of the rubber pad (12) is fixedly connected to a limit block (13), the interior of the slide groove (11) is provided with a spring (14), and the top of the inner wall of the body (1) is fixedly connected to a control component.

2. A patch device for SMT patch welding according to claim 1, characterized in that: The control assembly comprises two electric slide rails (15), the top end of the electric slide rails (15) is fixedly connected to the top end of the inner wall of the machine body (1), the bottom end of the electric slide rails (15) is slidably connected to two sliders (16), the bottom end of the sliders (16) is fixedly connected to a telescopic rod (17), the outer side walls of the two telescopic rods (17) are fixedly connected to a support rod (18), the bottom end of the support rod (18) is fixedly connected to a hydraulic rod (19), the output ends of the two hydraulic rods (19) are fixedly connected to a chassis (20), the rear side of the bottom end of the chassis (20) is fixedly connected to a hose (21), and the front side of the bottom end of the chassis (20) is fixedly connected to a hydraulic rod (19). A patch tube (22) is connected, the inner wall of the support rod (18) at the rear end is fixedly connected to a motor 2 (23), the driving end of the motor 2 (23) is fixedly connected to a short rod (24), the other end of the short rod (24) is rotatably connected to a long rod (25), the other end of the long rod (25) is rotatably connected to a slider 3 (26), the outside of the slider 3 (26) is slidably connected to a slider 1 (27), the rear side of the top end of the slider 1 (27) is fixedly connected to a support column (28), the front and rear sides of the top end of the chassis (20) are fixedly connected to a slider 2 (29), and the adjacent sides of the two telescopic rods (17) at the rear end are fixedly connected to a support bar (30).

3. A patch device for SMT patch welding according to claim 1, characterized in that: One end of the two rotating shafts (7) is rotatably connected to the left and right sides of the top of the special-shaped block (4), and the outer side walls of the two sliding blocks (8) are slidably connected to the left and right inner walls of the special-shaped block (4).

4. The SMT patch welding device according to claim 1, characterized in that: The bottom end of the box body (10) is fixedly connected to the top end of the slide block (8), and the outside of the limit block (13) is slidably connected to the inner wall of the slide groove (11).

5. The SMT patch welding device according to claim 1, characterized in that: One end of the spring (14) is fixedly connected to one side of the inner wall of the slide groove (11), and the other end of the spring (14) is fixedly connected to one side of the limit block (13).

6. The SMT patch welding device according to claim 2, characterized in that: The bottom end of the sliding body 1 (27) is fixedly connected to the middle of the top end of the chassis (20), and the bottom end of the sliding block 3 (26) is fixedly connected to the middle of the top end of the chassis (20).

7. The SMT patch welding device according to claim 2, characterized in that: The front end of the support bar (30) is fixedly connected to the rear end of the support column (28), and the bottom end of the telescopic rod (17) is slidably connected to the inner wall of the second sliding body (29).

8. The SMT patch welding device according to claim 1, characterized in that: The four corners of the bottom end of the body (1) are fixedly connected to table legs, and the top right side of the body (1) is fixedly connected to a display screen.

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