SMT (Surface Mount Technology) high-speed dispensing machine

By using synchronous belt conveyor and pressure roller to fix the circuit board, combined with the design of cleaning brush roller and negative pressure pump adsorption head, the problems of circuit board shaking and dust residue during the dispensing process are solved, achieving stable conveying and efficient cleaning, and improving dispensing quality.

CN223571166UActive Publication Date: 2025-11-21SHENZHEN XINSHENGHONG ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423030527.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-21
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing SMT placement and dispensing machines suffer from board shaking during the dispensing process, affecting quality, and incomplete cleaning leads to dust residue that also affects dispensing results.

Method used

A high-speed SMT dispensing machine was designed, which uses a synchronous belt to transport circuit boards and fix them with pressure rollers. It combines a cleaning brush roller to clean the surface dust and uses a negative pressure pump and a flat nozzle suction head to adsorb dust, so as to achieve stable transport and efficient cleaning of circuit boards.

Benefits of technology

It effectively prevents the circuit board from shaking during the dispensing process, ensuring dispensing quality, and thoroughly removes dust from the circuit board surface, thus improving the dispensing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of high-speed dispensing machines, in particular to an SMT (Surface Mount Technology) high-speed dispensing machine which comprises a base, a protective cover is mounted at the top of the base, a mounting seat is connected inside the protective cover through a driving mechanism, a glue barrel is mounted on the mounting seat, open slots are formed in two sides of the protective cover, and two strip-shaped mounting plates are symmetrically mounted at the top of the base. The two strip-shaped mounting plates are arranged in the open grooves, the two ends of each strip-shaped mounting plate penetrate through the open grooves, a plurality of synchronous wheels are rotationally connected to the close faces of the two strip-shaped mounting plates, the synchronous wheels located on the same side are connected through a synchronous belt, a first driving motor is mounted on one side of each strip-shaped mounting plate, and a driving shaft of each first driving motor is connected with the corresponding synchronous wheel. According to the dispensing device, the object placing plate is arranged on the synchronous belt, the circuit board is placed in the containing groove formed in the object placing plate, and then the circuit board is pressed and fixed through the pressing wheel, so that the circuit board can be prevented from shaking in the dispensing process, and the using effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high -speed point gum machine technical field especially relates to a kind of SMT patch high -speed point gum machine. BACKGROUND

[0002] SMT patch high -speed point gum machine is a kind of automation equipment for SMT patch technical field, with efficient, accurate point gum capacity, the equipment is usually equipped with mature three-axis mechanism, ensure positioning accurate and stable, its precise point gum system can control glue output, realize accurate point drop, line, surface and other irregular curve point gum operation.

[0003] The existing point gum machine when using, line route board is generally transported to glue cylinder below by feeding mechanism, then point gum processing is carried out.But, since line route board is not fixed when point gum, lead to line route board to easily sway, influence point gum quality, and, the existing point gum machine is generally through blowing or cleaning brush to carry out cleaning to line route board surface before point gum, but, such cleaning cannot completely clean dust on line route board surface, and part of residual dust still can influence point gum quality.For this reason, we propose a kind of SMT patch high -speed point gum machine. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned shortcomings in prior art, and proposes a kind of SMT patch high -speed point gum machine.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: design a kind of SMT patch high -speed point gum machine, including base, the top of base is equipped with protective cover, driving mechanism is connected with mounting seat in protective cover, and glue cylinder is installed on mounting seat;

[0006] The both sides of protective cover are equipped with open slot, the top of base is symmetrically equipped with two strip-shaped mounting plates, and the both ends of two strip-shaped mounting plates are all through open slot, and the proximal surface of two strip-shaped mounting plates is rotatably connected with a plurality of synchronous wheels, the synchronous wheel between the same side is connected by synchronous belt, and the side of each strip-shaped mounting plate is equipped with first drive motor, and the driving shaft of first drive motor is connected with corresponding synchronous wheel;

[0007] A plurality of opposite plates are installed between two synchronous belts, the proximal side of the top of each opposite plate is equipped with containing groove, and line route board is arranged in containing groove;

[0008] The top of each strip-shaped mounting plate is equipped with skirt, the top of each skirt is equipped with L-shaped connecting plate, the bottom end of each L-shaped connecting plate extends between two strip-shaped mounting plates, and the proximal surface of two L-shaped connecting plates is rotatably connected with pressure roller, and pressure roller is located above containing groove;

[0009] The top of the base is provided with a mounting cover which covers the synchronous belt, a moving plate is arranged in the mounting cover, the top of the moving plate is slidably connected to the mounting cover through a second guide rod, fixed plates are arranged at the bottom of the moving plate, two cleaning brush rollers are symmetrically and rotatably connected between the two fixed plates, one end of each cleaning brush roller is connected to a second driving motor, and the second driving motor is fixed to the side surface of the fixed plate.

[0010] A U-shaped mounting plate is arranged between the two cleaning brush rollers, the top of the U-shaped mounting plate is fixed to the bottom of the moving plate, a plurality of flat-mouthed suction heads are arranged at the bottom and both sides of the U-shaped mounting plate, a gas collecting pipe is further arranged between the two fixed plates, the gas collecting pipe is located in the U-shaped mounting plate, the side surface of the gas collecting pipe is connected to the flat-mouthed suction heads, a filter box is arranged at the top of the mounting cover, a negative pressure pump is arranged at the top of the filter box, the air inlet end of the negative pressure pump is connected to the gas collecting pipe through a suction pipe, and the air outlet end of the negative pressure pump is connected to the inside of the filter box through a pipeline.

[0011] Preferably, the driving mechanism comprises two U-shaped frames arranged in the protective cover, the strip-shaped mounting plate is located between the two U-shaped frames, the bottoms of the two U-shaped frames are fixed to the base, third linear drive modules are connected to the tops of the two U-shaped frames, the two third linear drive modules are connected through a cross beam, the side surface of the cross beam is provided with a second linear drive module, the side of the second linear drive module is provided with a first linear drive module, and the mounting seat is arranged on the side surface of the second linear drive module.

[0012] Preferably, the top of each skirt is perpendicularly provided with a first guide rod, the top of the first guide rod slidably penetrates through the corresponding L-shaped connecting plate, a anti-drop block is arranged at the top of each first guide rod, a second spring is sleeved on the side surface of each first guide rod, the top of the second spring abuts against the bottom of the anti-drop block, and the bottom of the second spring abuts against the top of the L-shaped connecting plate.

[0013] Preferably, the bottom end of the flat-mouthed suction head located at the bottom of the U-shaped mounting plate is higher than the bottom of the cleaning brush roller.

[0014] Preferably, the side surface of each second guide rod is sleeved with a first spring, the top of the first spring abuts against the inner top end of the mounting cover, and the bottom of the first spring abuts against the top of the moving plate.

[0015] Preferably, the bottom of the mounting seat is provided with a laser positioning sensor.

[0016] Preferably, the side surface of the protective cover is provided with a control cabinet, and the controller in the control cabinet is connected to the first linear drive module, the second linear drive module, the third linear drive module, the laser positioning sensor, the second driving motor, the negative pressure pump and the first driving motor through wires.

[0017] Preferably, a support plate is further arranged between the two strip-shaped mounting plates, the support plate is arranged below the rubber cylinder, and the top of the support plate is in contact with the bottom of the storage plate.

[0018] The design scheme provided by the utility model has the advantages that, in the application process,

[0019] By installing the storage plate on the synchronous belt and placing the circuit board in the accommodating groove of the storage plate, and then fixing the circuit board by the pressing wheel, the circuit board can be prevented from shaking during the dispensing process, and the use effect is improved.

[0020] The surface of the circuit board can be cleaned by the cleaning brush roller, and the dust remaining on the surface of the circuit board and the dust adhered to the surface of the cleaning brush roller can be adsorbed into the filter box by the flat-mouthed adsorption head under the action of the negative pressure pump, so that the surface of the circuit board is cleaned, the cleaning is sufficient, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a structural schematic view of the utility model's moving plate and negative pressure pump;

[0023] Figure 3 It is a structural sectional view of the utility model's installation cover;

[0024] Figure 4 It is a structural schematic view of the utility model's skirt and L-shaped connecting plate;

[0025] Figure 5 It is a structural side sectional view of the utility model.

[0026] In the figure: 1, base; 2, strip-shaped mounting plate; 3, synchronous wheel; 4, protective cover; 5, first linear drive module; 6, U-shaped frame; 7, second linear drive module; 8, cross beam; 9, rubber cylinder; 10, mounting seat; 11, pressing wheel; 12, first guide rod; 13, skirt; 14, L-shaped connecting plate; 15, installation cover; 16, second guide rod; 17, air suction pipe; 18, negative pressure pump; 19, filter box; 20, first spring; 21, moving plate; 22, fixed plate; 23, accommodating groove; 24, first drive motor; 25, synchronous belt; 26, storage plate; 27, cleaning brush roller; 28, gas collecting pipe; 29, flat-mouthed adsorption head; 30, U-shaped mounting plate; 31, anti-dropping block; 32, second spring; 33, open slot; 34, control cabinet; 35, third linear drive module; 36, second drive motor; 37, laser positioning sensor; 38, support plate. DETAILED DESCRIPTION

[0027] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments.

[0028] Referring to Figures 1-5 A kind of SMT patch high-speed glue dispenser, including base 1, the top of base 1 is equipped with protective cover 4, protective cover 4 side is equipped with control cabinet 34, control cabinet 34 inside is equipped with controller, controller is one of control mainboard or PLC logic controller.

[0029] As Figure 1 And Figure 5 As shown in the drawing, mounting seat 10 is connected in protective cover 4 inside by drive mechanism, glue cylinder 9 is installed on mounting seat 10, the specific structure of drive mechanism is, drive mechanism includes two U-shaped frames 6 arranged in protective cover 4 inside, strip-shaped mounting plate 2 is located between two U-shaped frames 6, the bottom of two U-shaped frames 6 is fixed on base 1, and the top of two U-shaped frames 6 is connected with third linear drive module 35, two third linear drive modules 35 are connected by crossbeam 8, second linear drive module 7 is installed on the side of crossbeam 8, first linear drive module 5 is installed on one side of second linear drive module 7, mounting seat 10 is installed on the side of second linear drive module 7, first linear drive module 5, second linear drive module 7 and third linear drive module 35 are connected with controller by wire, in actual use process, glue cylinder 9 can be moved by first linear drive module 5, second linear drive module 7 and third linear drive module 35, and the dispensing processing of circuit board is completed.

[0030] It should be noted that the top of glue cylinder 9 is connected with external gas source by pipeline, in use, high-pressure gas is injected into the inside of glue cylinder 9 by gas source, and the glue liquid in the inside of glue cylinder 9 can be sprayed to the surface of circuit board, and the dispensing processing of circuit board surface is carried out.

[0031] As Figure 1 And Figure 5 As shown in the drawing, opening groove 33 is formed in the two sides of protective cover 4, two strip-shaped mounting plates 2 are symmetrically installed on the top of base 1, and the two ends of two strip-shaped mounting plates 2 pass through opening groove 33, a plurality of synchronous wheels 3 are rotatably connected to the proximal surface of two strip-shaped mounting plates 2, synchronous belts 25 are connected between synchronous wheels 3 located on the same side, and first drive motors 24 are installed on one side of each strip-shaped mounting plate 2, the drive shaft of first drive motor 24 is connected with corresponding synchronous wheel 3, and first drive motor 24 is connected with controller by wire, in actual use process, synchronous wheels 3 can be driven to rotate by first drive motor 24, and then synchronous belts 25 are moved.

[0032] As Figure 1As shown, a plurality of opposite shelves 26 are installed between the two synchronous belts 25, each opposite shelf 26 is provided with a receiving groove 23 on the top of each side, and a circuit board is arranged in the receiving groove 23. In actual use, the staff places the circuit board in the corresponding two receiving grooves 23, and then limits the circuit board through the receiving grooves 23, and then the synchronous belt 25 can convey the circuit board to the bottom of the glue cylinder 9 for dispensing processing.

[0033] It should be noted that the bottom of the mounting seat 10 is provided with a laser positioning sensor 37, and the laser positioning sensor 37 is connected with the controller through wires. In actual use, when the circuit board moves to the bottom of the mounting seat 10, the laser positioning sensor 37 can transmit the detected data to the controller, and the controller can close the first driving motor 24 to complete the positioning.

[0034] As shown in Figure 1 and Figure 4 Each of the top of the strip-shaped mounting plate 2 is provided with a skirt 13, and the top of each skirt 13 is provided with an L-shaped connecting plate 14. The first guide rod 12 is vertically installed on the top of each skirt 13, and the first guide rod 12 is slidably penetrated through the corresponding L-shaped connecting plate 14. The bottom end of each L-shaped connecting plate 14 extends between the two strip-shaped mounting plates 2, and the proximal surface of the two L-shaped connecting plates 14 is rotatably connected with the pressure roller 11, and the pressure roller 11 is located above the receiving groove 23. In actual use, the pressure roller 11 can press and fix the glue cylinder 9 when the circuit board moves to the bottom of the glue cylinder 9, which can avoid the shaking of the circuit board during dispensing.

[0035] It should be noted that, as shown in Figure 4 The top of each first guide rod 12 is provided with an anti-dropping block 31, and the side surface of each first guide rod 12 is sleeved with a second spring 32. The top of the second spring 32 abuts against the bottom of the anti-dropping block 31, and the bottom of the second spring 32 abuts against the top of the L-shaped connecting plate 14. Under the action of the elastic force of the second spring 32, the L-shaped connecting plate 14 is pushed to move downward, so that the pressure roller 11 is tightly pressed on the surface of the circuit board to fix the circuit board.

[0036] It should be noted that a supporting plate 38 is also installed between the two strip-shaped mounting plates 2, and the supporting plate 38 is located below the glue cylinder 9, and the top of the supporting plate 38 is in contact with the bottom of the shelf 26. The supporting plate 38 can support the shelf 26 when the shelf 26 moves to the bottom of the glue cylinder 9, so that the shelf 26 remains stable.

[0037] As shown in Figure 1 and Figure 2As shown, the top of the base 1 is provided with a mounting cover 15, the mounting cover 15 covers the synchronous belt 25, and a moving plate 21 is arranged in the mounting cover 15. The top of the moving plate 21 is slidably connected to the mounting cover 15 through a second guide rod 16, and a fixed plate 22 is arranged at the bottom of the moving plate 21. Two cleaning brush rollers 27 are symmetrically and rotatably connected between the two fixed plates 22. One end of each cleaning brush roller 27 is connected to a second driving motor 36 fixed on the side surface of the fixed plate 22. The second driving motor 36 is connected to the controller through wires. In actual use, the second driving motor 36 can drive the cleaning brush roller 27 to rotate, so that the cleaning brush roller 27 can clean the surface of the circuit board in the containing groove 23, and the dust on the surface of the circuit board is cleaned.

[0038] As shown in Figure 3 and Figure 5 A U-shaped mounting plate 30 is arranged between the two cleaning brush rollers 27. The top of the U-shaped mounting plate 30 is fixed to the bottom of the moving plate 21. A plurality of flat-mouthed suction heads 29 are arranged at the bottom and both sides of the U-shaped mounting plate 30. A gas collecting pipe 28 is arranged between the two fixed plates 22. The gas collecting pipe 28 is located in the U-shaped mounting plate 30, and the side surface of the gas collecting pipe 28 is connected to the flat-mouthed suction head 29. A filter box 19 is arranged at the top of the mounting cover 15. A negative pressure pump 18 is arranged at the top of the filter box 19. The air inlet end of the negative pressure pump 18 is connected to the gas collecting pipe 28 through a suction pipe 17. The air outlet end of the negative pressure pump 18 is connected to the inside of the filter box 19 through a pipeline. The negative pressure pump 18 is connected to the controller through wires. In actual use, the negative pressure pump 18 can suck out the air in the gas collecting pipe 28, so that the flat-mouthed suction head 29 generates suction force. The dust adhered to the surface of the circuit board and the dust adhered to the surface of the cleaning brush roller 27 are all sucked into the negative pressure pump 18 through the gas collecting pipe 28 and the suction pipe 17, and finally transported to the filter box 19 for filtration through the pipeline.

[0039] As shown in Figure 2 and Figure 3 Each second guide rod 16 is sleeved with a first spring 20 on the side surface. The top of the first spring 20 abuts against the inner top end of the mounting cover 15, and the bottom of the first spring 20 abuts against the top of the moving plate 21. Under the elastic force of the first spring 20, the bottom of the cleaning brush roller 27 can be fully in contact with the surface of the circuit board, thereby improving the cleaning effect.

[0040] Specifically, in use, the staff places the circuit board in the corresponding accommodating groove 23, and then controls the first driving motor 24 to work through the controller, the first driving motor 24 conveys the circuit board to the lower side of the mounting seat 10 through the synchronous belt 25, in the conveying process, when the circuit board moves to the inside of the mounting cover 15, the bottom of the cleaning brush roller 27 is in contact with the surface of the circuit board under the elastic force of the first spring 20, at the same time, the controller controls the second driving motor 36 and the negative pressure pump 18 to work, the second driving motor 36 drives the cleaning brush roller 27 to rotate relative to the circuit board, and the surface of the circuit board is cleaned, at the same time, the negative pressure pump 18 sucks out the air in the gas collecting pipe 28, so that the flat mouth suction head 29 generates suction force, the dust remaining on the surface of the circuit board and adhered to the surface of the cleaning brush roller 27 is sucked and conveyed to the inside of the negative pressure pump 18 along the gas collecting pipe 28 and the air suction pipe 17, finally, the dust is conveyed to the filter box 19 through the pipeline for filtering, so that the surface of the circuit board is kept clean, and then when the circuit board moves to the lower side of the mounting seat 10, the top of the circuit board will first contact the bottom of the compression wheel 11, the compression wheel 11 is tightly pressed on the surface of the circuit board through the elastic force of the second spring 32, and the circuit board is positioned, when the circuit board moves to the lower side of the mounting seat 10, the laser positioning sensor 37 detects the position of the circuit board and transmits the detected signal to the controller, the controller closes the first driving motor 24 and controls the first linear drive module 5, the second linear drive module 7 and the third linear drive module 35 to work at the same time, adjusts the position of the glue cylinder 9, and processes the circuit board through the glue cylinder 9, and after the glue dispensing is completed, the controller controls the first driving motor 24 to work, and the circuit board is moved out of the protective cover 4.

[0041] Further, as shown in Figure 3 The bottom end of the flat mouth suction head 29 at the bottom of the U-shaped mounting plate 30 is higher than the bottom of the cleaning brush roller 27, so that when the cleaning brush roller 27 cleans the surface of the circuit board, the bottom of the flat mouth suction head 29 will not be in contact with the surface of the circuit board, avoiding scratching the surface of the circuit board.

[0042] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A high-speed SMT dispensing machine, comprising a base (1), characterized in that: A protective cover (4) is installed on the top of the base (1). Inside the protective cover (4), a mounting base (10) is connected via a drive mechanism. A rubber tube (9) is installed on the mounting base (10). The protective cover (4) has opening slots (33) on both sides. Two strip mounting plates (2) are symmetrically installed on the top of the base (1), and both ends of the two strip mounting plates (2) pass through the opening slots (33). Several synchronous pulleys (3) are rotatably connected to the close surfaces of the two strip mounting plates (2). The synchronous pulleys (3) on the same side are connected by a synchronous belt (25). A first drive motor (24) is installed on one side of each strip mounting plate (2). The drive shaft of the first drive motor (24) is connected to the corresponding synchronous pulley (3). Several pairs of storage plates (26) are installed between two synchronous belts (25). Each pair of storage plates (26) has a receiving groove (23) on one side of the top of each pair of storage plates (26), and a circuit board is installed in the receiving groove (23). Each strip mounting plate (2) is fitted with a skirt (13) at the top, and each skirt (13) is fitted with an L-shaped connecting plate (14) at the top. The bottom of each L-shaped connecting plate (14) extends between two strip mounting plates (2), and pressure rollers (11) are rotatably connected to the adjacent surfaces of the two L-shaped connecting plates (14). The pressure rollers (11) are located above the receiving groove (23). A mounting cover (15) is installed on the top of the base (1). The mounting cover (15) covers the timing belt (25). A movable plate (21) is provided inside the mounting cover (15). The top of the movable plate (21) is slidably connected to the mounting cover (15) through the second guide rod (16). Fixed plates (22) are installed on both sides of the bottom of the movable plate (21). Two cleaning brush rollers (27) are symmetrically rotated between the two fixed plates (22). A second drive motor (36) is connected to one end of each cleaning brush roller (27). The second drive motor (36) is fixed on the side of the fixed plate (22). A U-shaped mounting plate (30) is provided between two cleaning brush rollers (27). The top of the U-shaped mounting plate (30) is fixed to the bottom of the movable plate (21). Several flat-nozzle suction heads (29) are installed on the bottom and both sides of the U-shaped mounting plate (30). An air collection pipe (28) is also installed between two fixed plates (22). The air collection pipe (28) is located inside the U-shaped mounting plate (30), and the side of the air collection pipe (28) is connected to the flat-nozzle suction head (29). A filter box (19) is installed on the top of the mounting cover (15). A negative pressure pump (18) is installed on the top of the filter box (19). The air inlet of the negative pressure pump (18) is connected to the air collection pipe (28) through the suction pipe (17), and the air outlet of the negative pressure pump (18) is connected to the inside of the filter box (19) through a pipe.

2. The SMT high-speed dispensing machine according to claim 1, characterized in that: The drive mechanism includes two U-shaped frames (6) set inside the protective cover (4), a strip mounting plate (2) located between the two U-shaped frames (6), the bottom of the two U-shaped frames (6) is fixed on the base (1), and the top of the two U-shaped frames (6) is connected to a third linear drive module (35). The two third linear drive modules (35) are connected by a crossbeam (8). A second linear drive module (7) is installed on the side of the crossbeam (8), and a first linear drive module (5) is installed on one side of the second linear drive module (7). A mounting base (10) is installed on the side of the second linear drive module (7).

3. The SMT high-speed dispensing machine according to claim 1, characterized in that: Each skirt edge (13) has a first guide rod (12) vertically installed on its top. The top of the first guide rod (12) slides through the corresponding L-shaped connecting plate (14). Each first guide rod (12) has an anti-detachment block (31) installed on its top. Each first guide rod (12) has a second spring (32) fitted on its side. The top of the second spring (32) abuts against the bottom of the anti-detachment block (31), and the bottom of the second spring (32) abuts against the top of the L-shaped connecting plate (14).

4. The SMT high-speed dispensing machine according to claim 1, characterized in that: The bottom of the flat-nozzle suction head (29) located at the bottom of the U-shaped mounting plate (30) is higher than the bottom of the cleaning brush roller (27).

5. The SMT high-speed dispensing machine according to claim 1, characterized in that: Each second guide rod (16) has a first spring (20) fitted on its side. The top of the first spring (20) abuts against the inner top of the mounting cover (15), and the bottom of the first spring (20) abuts against the top of the moving plate (21).

6. The SMT high-speed dispensing machine according to claim 1, characterized in that: A laser positioning sensor (37) is installed at the bottom of the mounting base (10).

7. A high-speed SMT dispensing machine according to claim 6, characterized in that: A control cabinet (34) is installed on the side of the protective cover (4). The controller inside the control cabinet (34) is connected to the first linear drive module (5), the second linear drive module (7), the third linear drive module (35), the laser positioning sensor (37), the second drive motor (36), the negative pressure pump (18), and the first drive motor (24) respectively through wires.

8. The SMT high-speed dispensing machine according to claim 1, characterized in that: A support plate (38) is also installed between the two strip mounting plates (2). The support plate (38) is located below the rubber tube (9), and the top of the support plate (38) is in contact with the bottom of the shelf (26).