Dispensing machine based on visual positioning

Abstract

The utility model discloses a dispensing machine based on visual positioning, which comprises a working table, a movable dispensing mechanism and a controller, the working table is provided with a feeding end and a discharging end, and the surface of the working table is provided with a material conveying mechanism from the feeding end to the discharging end; the movable dispensing mechanism comprises a first sliding rail, a second sliding rail and a lifting table, the first sliding rail is arranged on the surface of the workbench, one end of the second sliding rail is movably connected to the first sliding rail, the second sliding rail is perpendicular to the first sliding rail, the lifting table is movably connected to the second sliding rail, and a visual positioning device and a dispensing device are adjacently arranged on the lifting table; and the controller is electrically connected to the movable dispensing mechanism. According to the technical scheme, manual dispensing is not needed, manpower is saved, the production cost is reduced, the production efficiency is improved, position errors possibly generated during dispensing can be reduced, and the yield is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing machines, in particular to a glue dispensing machine based on visual positioning. Background Art

[0002] Glue dispensing is a process, also known as gluing, coating, filling, dripping, etc. It is to apply, encapsulate, and drip electronic glue, oil or other liquids onto the circuit board to make the circuit board adhere, encapsulate, insulate, fix, and smooth the surface. It is a process to protect the product.

[0003] The existing dispensing process is generally performed by manual dispensing, which is not only time-consuming and labor-intensive, but also relatively inefficient. A small number of manufacturers also use dispensing machines for dispensing. Its working principle is to move the dispensing head along a preset fixed path to dispense glue on the circuit boards on the assembly line. However, this method can easily cause a deviation between the position to be dispensed and the actual dispensing position, thereby reducing the yield rate. Utility Model Content

[0004] The main purpose of this utility model is to provide a dispensing machine based on visual positioning, which no longer requires manual dispensing, saves manpower, reduces production costs, improves production efficiency, and can reduce the position error that may occur during dispensing, thereby improving the yield rate.

[0005] To achieve the above objectives, the present invention proposes a glue dispensing machine based on visual positioning, comprising:

[0006] A workbench, the workbench having a loading end and a unloading end, and a material transport mechanism is provided on the surface of the workbench along the loading end to the unloading end;

[0007] A mobile dispensing mechanism, comprising a first slide rail, a second slide rail, and a lifting platform, wherein the first slide rail is disposed on the surface of the workbench, one end of the second slide rail is movably connected to the first slide rail, and the second slide rail is perpendicular to the first slide rail, the lifting platform is movably connected to the second slide rail, and a visual positioning device and a dispensing device are adjacently disposed on the lifting platform;

[0008] A controller is electrically connected to the mobile dispensing mechanism, the visual positioning device sends image information of the material position on the material transport mechanism to the controller, the controller controls the coordinated movement of the first slide rail and the second slide rail to move the lifting platform above the material, and the dispensing device performs dispensing.

[0009] In one embodiment of the present invention, the workbench is respectively provided with a first bracket and a second bracket at the unloading end and the loading end, the first slide rail is laid on the first bracket, and one end of the second slide rail is movably connected to the first slide rail, and the other end is movably connected to the second bracket.

[0010] In one embodiment of the present invention, a sliding bar is laid on the second bracket, and a sliding block is provided at the end of the second slide rail corresponding to the sliding bar. A sliding groove is formed on the sliding block, and the sliding groove is clamped to the sliding bar.

[0011] In one embodiment of the present invention, the bottom of the dispensing device has a dispensing tip, and the top of the dispensing device has a glue storage chamber.

[0012] In one embodiment of the present invention, a accommodating space is formed at the bottom of the workbench, a glue storage barrel is placed in the accommodating space, a first connecting portion is provided on the glue storage barrel, and a second connecting portion is provided on the glue storage chamber. The first connecting portion and the second connecting portion can be connected to each other so that the glue storage chamber is connected to the glue storage barrel.

[0013] In one embodiment of the present invention, the visual positioning-based dispensing machine also includes a shell, which encloses the workbench and the mobile dispensing mechanism, and the shell is respectively provided with a feed port and a discharge port at the loading end and the unloading end, and the controller is fixed to the outer wall of the shell.

[0014] The technical solution of the utility model detects and photographs the circuit board to be glued on the material transport mechanism through a visual positioning device, and transmits the photographed image to the controller. After receiving the image transmitted by the visual positioning device, the controller calculates the position of the circuit board to be glued in real time, and drives the first slide rail and the second slide rail to move, so that the lifting platform moves to the top of the circuit board, and aligns the glue dispensing device with the position to be glued. The lifting platform is lowered to perform glue dispensing. After the glue dispensing is completed, the circuit board is continuously transported to the unloading end by the material transport mechanism for the next transportation or processing. The glue dispensing machine no longer needs to work through manual glue dispensing, which greatly saves manpower, reduces production costs, and improves production efficiency. Moreover, through the cooperation of the visual positioning device and the controller, the glue dispensing device can accurately dispense glue at the position to be processed, reducing the position error that may occur during glue dispensing and greatly improving the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 2 for Figure 1 A partial enlarged view of point A in the middle;

[0018] Figure 3 This is a top view of the internal structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the lifting platform structure of the utility model;

[0020] Figure 5 This is a structural diagram of a glue storage barrel of the present utility model;

[0021] Figure 6 This is a schematic diagram of the shell structure of the present utility model.

[0022] Description of Figure Numbers:

[0023] 1. Workbench; 11. Loading end; 12. Unloading end; 13. First bracket; 14. Second bracket; 141. Sliding bar; 15. Accommodating space; 2. Material transport mechanism; 3. First slide rail; 4. Second slide rail; 41. Sliding block; 411. Slide trough; 5. Lifting platform; 51. Visual positioning device; 52. Glue dispensing device; 521. Glue dispensing tip; 522. Glue storage chamber; 523. Second connecting part; 6. Controller; 7. Glue storage barrel; 71. First connecting part; 8. Housing; 81. Feed port; 82. Discharge port.

[0024] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of this application more clearly understood, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0026] Reference Figures 1 to 6The present invention proposes a dispensing machine based on visual positioning, including a workbench 1, a mobile dispensing mechanism and a controller 6. The workbench 1 has a loading end 11 and a unloading end 12, and a transport mechanism 2 is provided on the surface of the workbench 1 along the loading end 11 to the unloading end 12; the mobile dispensing mechanism includes a first slide rail 3, a second slide rail 4 and a lifting platform 5, the first slide rail 3 is provided on the surface of the workbench 1, one end of the second slide rail 4 is movably connected to the first slide rail 3, and the second slide rail 4 is perpendicular to the first slide rail 3, the lifting platform 5 is movably connected to the second slide rail 4, and a visual positioning device 51 and a dispensing device 52 are adjacently provided on the lifting platform 5; the controller 6 is electrically connected to the mobile dispensing mechanism, and the visual positioning device 51 sends material position image information on the transport mechanism 2 to the controller 6, and the controller 6 controls the first slide rail 3 and the second slide rail 4 to move in coordination so that the lifting platform 5 moves to above the material, and the dispensing device 52 performs dispensing.

[0027] It can be understood that the material transport mechanism 2 gradually transports the circuit board to be glued along the loading end 11 to the unloading end 12. In this example, the material transport mechanism 2 is a conveyor pulley structure, which is driven by a servo motor. The conveyor pulley structure is a prior art and will not be further described here. The mobile glue dispensing mechanism is arranged above the material transport mechanism 2. The first slide rail 3 is responsible for controlling the movement of the second slide rail 4, and the second slide rail 4 is responsible for the movement of the lifting platform 5, and the lifting platform 5 can move vertically. Through the mutual cooperation of the first slide rail 3, the second slide rail 4, and the lifting platform 5, the three-axis precise movement of the glue dispensing device 52 and the visual positioning device 51 can be achieved. The first slide rail 3, the second slide rail 4, and the lifting platform 5 can be driven by hydraulics, pneumatics, servo motors, etc. In this example, servo motor drive is selected. The visual positioning device 51 can be an infrared sensor, a high-speed camera, a CCD detection device, etc. In this example, it is preferably a CCD detection device, which can detect and photograph the circuit board to be glued on the conveying mechanism 2, and transmit the photographed image to the controller 6. The controller 6 can be a computer, a microprocessor, a PLC or other device. After receiving the image transmitted by the visual positioning device 51, it calculates the position of the circuit board to be glued in real time, and drives the first slide rail 3 and the second slide rail 4 to move, so that the lifting platform 5 moves to the top of the circuit board, and aligns the glue device 52 with the position to be glued. The lifting platform 5 descends to perform glue dispensing. After the glue dispensing is completed, the circuit board continues to be transported to the unloading end 12 by the conveying mechanism 2 for the next step of transportation or processing.

[0028] Through the above settings, the dispensing machine no longer needs to work through manual dispensing, which greatly saves manpower, reduces production costs, and improves production efficiency. In addition, through the cooperation of the visual positioning device 51 and the controller 6, the dispensing device 52 can accurately dispense glue at the position to be processed, reducing the position error that may occur during dispensing and greatly improving the yield rate.

[0029] Reference Figures 1 to 3In one embodiment of the present application, the workbench 1 is respectively provided with a first bracket 13 and a second bracket 14 at the unloading end 12 and the loading end 11, the first slide rail 3 is laid on the first bracket 13, and one end of the second slide rail 4 is movably connected to the first slide rail 3, and the other end is movably connected to the second bracket 14.

[0030] As can be understood, since the material transport mechanism 2 is provided on the surface of the workbench 1, in order to reserve sufficient working space for the material transport mechanism 2, the first bracket 13 and the second bracket 14 install the two slide rails above the material transport mechanism 2. On the one hand, this does not interfere with the operation of the material transport mechanism 2, and on the other hand, it also facilitates the visual positioning device 51 and the glue dispensing device 52 to locate and glue the circuit board to be processed below. The two brackets provide stable support for the slide rails, making the first slide rail 3 and the second slide rail 4 more stable during movement and not affecting the glue dispensing operation.

[0031] Reference Figures 1 to 2 In one embodiment of the present application, a sliding bar 141 is provided on the second bracket 14 , and a sliding block 41 is provided at the end of the second slide rail 4 corresponding to the sliding bar 141 , and a sliding groove 411 is formed on the sliding block 41 , and the sliding groove 411 is engaged with the sliding bar 141 .

[0032] As can be understood, the two side surfaces of the sliding bar 141 are recessed inward, while the two sidewalls of the sliding groove 411 are partially protruding. These protruding portions engage with the recessed portions of the sliding bar 141, preventing the sliding block 41 from easily detaching from the sliding bar 141. In addition to connecting the second slide rail 4 to the second bracket 14, the sliding bar 141 and the sliding block 41 also limit the displacement direction of the second slide rail 4, allowing it to move back and forth only in the direction of the sliding bar 141 and preventing displacement in other directions. This helps improve the stability of the movement process and reduces mechanical wear.

[0033] Reference Figure 4 In one embodiment of the present application, the dispensing device 52 has a dispensing tip 521 at the bottom and a glue storage chamber 522 at the top.

[0034] As can be understood, the dispensing tip 521 and the glue storage chamber 522 are interconnected. The dispensing tip 521 has a relatively small glue outlet, which allows for relatively precise dispensing of glue on the circuit board. The glue storage chamber 522 is used to store glue, eliminating the need for workers to frequently add glue. Furthermore, the relatively thin dispensing tip 521 facilitates control of the glue flow rate. Furthermore, a pressure valve or other device can be installed within the dispensing device 52 to control the glue flow rate.

[0035] Reference Figures 1 to 5In one embodiment of the present application, a accommodating space 15 is formed at the bottom of the workbench 1, and a glue storage barrel 7 is placed in the accommodating space 15. A first connecting portion 71 is provided on the glue storage barrel 7, and a second connecting portion 523 is provided on the glue storage chamber 522. The first connecting portion 71 and the second connecting portion 523 can be connected to each other so that the glue storage chamber 522 is connected to the glue storage barrel 7.

[0036] It can be understood that the first connecting part 71 and the second connecting part 523 are both raised pipe-like structures. When the glue in the glue storage chamber 522 is used up, the first connecting part 71 and the second connecting part 523 can be plugged into each other, and the glue in the glue storage barrel 7 can be added to the glue storage chamber 522. The operation is simple and the glue will not leak during the adding process.

[0037] Reference Figure 6 In one embodiment of the present application, the dispensing machine based on visual positioning also includes a shell 8, which encloses the workbench 1 and the mobile dispensing mechanism, and the shell 8 is respectively provided with a feed port 81 and a discharge port 82 at the loading end 11 and the unloading end 12, and the controller 6 is fixed to the outer wall of the shell 8.

[0038] It can be understood that the provision of the shell 8 has the following functions: dustproof and anti-fouling, the shell 8 can prevent dust, dirt, liquid and other contaminants from entering the interior of the device, thereby reducing wear and damage to mechanical parts; protection against mechanical damage, the shell 8 can reduce damage to the device caused by collisions, scratches or other physical impacts during use; enhance user safety, the shell 8 can prevent users from directly contacting the moving parts and electrical parts of the device, thereby reducing the risk of electric shock, mechanical injury or burns; protection against failure, when the device fails, the shell 8 can prevent harmful substances or debris from scattering, thereby protecting the safety of users and the surrounding environment; anti-environmental influence, the shell 8 can withstand various environmental factors, such as humidity, temperature changes, etc., thereby extending the service life of the device; anti-corrosion, specific materials (such as stainless steel or aluminum alloy) used for the shell 8 can prevent corrosion and oxidation, especially for equipment used in harsh environments; reduce noise, the shell 8 can effectively isolate the noise generated during the operation of the mechanical device, thereby reducing noise pollution to the working environment.

[0039] The technical solution of the present utility model detects and photographs the circuit board to be glued on the material transport mechanism 2 through the visual positioning device 51, and transmits the photographed image to the controller 6. After receiving the image transmitted by the visual positioning device 51, the controller 6 calculates the position of the circuit board to be glued in real time, and drives the first slide 3 and the second slide 4 to move, so that the lifting platform 5 moves to the top of the circuit board, and aligns the glue dispensing device 52 with the position to be glued. The lifting platform 5 is lowered to perform glue dispensing. After the glue dispensing is completed, the circuit board is continuously transported to the unloading end 12 by the material transport mechanism 2 for the next transportation or processing. The glue dispensing machine no longer needs to work by manual glue dispensing, which greatly saves manpower, reduces production costs, and improves production efficiency. Moreover, through the cooperation of the visual positioning device 51 and the controller 6, the glue dispensing device 52 can accurately dispense glue at the position to be processed, reducing the position error that may occur during glue dispensing and greatly improving the yield rate.

[0040] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of this application, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the drawings. This is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0041] The above are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A dispensing machine based on visual positioning, characterized in that: include: A workbench (1), the workbench (1) having a loading end (11) and a unloading end (12), and a material transport mechanism (2) is provided on the surface of the workbench (1) along the length from the loading end (11) to the unloading end (12); A mobile dispensing mechanism, the mobile dispensing mechanism comprising a first slide rail (3), a second slide rail (4) and a lifting platform (5), the first slide rail (3) being arranged at a material discharge end (12) of the workbench (1), one end of the second slide rail (4) being movably connected to the first slide rail (3), and the second slide rail (4) being perpendicular to the first slide rail (3), the lifting platform (5) being movably connected to the second slide rail (4), and a visual positioning device (51) and a dispensing device (52) being adjacently arranged on the lifting platform (5); A controller (6) is electrically connected to the mobile dispensing mechanism, the visual positioning device (51) sends image information of the material position on the material transport mechanism (2) to the controller (6), the controller (6) controls the coordinated movement of the first slide rail (3) and the second slide rail (4) to move the lifting platform (5) above the material, and the dispensing device (52) performs dispensing.

2. The dispensing machine based on vision positioning according to claim 1, characterized in that: The workbench (1) is provided with a first bracket (13) and a second bracket (14) at the unloading end (12) and the loading end (11), respectively; the first slide rail (3) is laid on the first bracket (13); one end of the second slide rail (4) is movably connected to the first slide rail (3), and the other end is movably connected to the second bracket (14).

3. The dispensing machine based on vision positioning according to claim 2, characterized in that: A sliding bar (141) is provided on the second bracket (14), and a sliding block (41) is provided at the end of the second slide rail (4) corresponding to the sliding bar (141). A sliding groove (411) is formed on the sliding block (41), and the sliding groove (411) is engaged with the sliding bar (141).

4. The glue dispensing machine based on vision positioning according to claim 3, characterized in that: The glue dispensing device (52) has a glue dispensing tip (521) at the bottom, and a glue storage chamber (522) at the top.

5. The glue dispensing machine based on vision positioning according to claim 4, characterized in that: The bottom of the workbench (1) is formed with an accommodating space (15), a glue storage barrel (7) is placed in the accommodating space (15), a first connecting portion (71) is provided on the glue storage barrel (7), and a second connecting portion (523) is provided on the glue storage chamber (522), and the first connecting portion (71) and the second connecting portion (523) can be connected to each other so that the glue storage chamber (522) is connected to the glue storage barrel (7).

6. The glue dispensing machine based on vision positioning according to any one of claims 1 to 5, characterized in that: The visual positioning-based dispensing machine further comprises a shell (8), wherein the shell (8) encloses the workbench (1) and the mobile dispensing mechanism, and the shell (8) is provided with a feed port (81) and a discharge port (82) at a loading end (11) and a unloading end (12), respectively, and the controller (6) is fixed to the outer wall of the shell (8).

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