Novel dispensing vacuumizing device

Abstract

The utility model provides a novel dispensing and vacuumizing device, which relates to the technical field of dispensing equipment, and comprises a rack and a dispensing gun arranged on the rack, the rack is provided with a movable table between a dispensing station and a vacuumizing station in a back-and-forth movable manner, a hollow column is fixedly arranged on the movable table in a penetrating manner, and the hollow column is provided with a rotating shaft; and a driving mechanism for rotating the rotating shaft is arranged. A dispensing jig is fixedly arranged at the upper end of the rotating shaft. A pressing block used for extruding the machined part is arranged above the vacuumizing station, so that the machined part and the dispensing jig are tightly attached to form a cavity. One end of the hollow column is connected with the cavity; according to the utility model, the dispensing station and the vacuumizing station are switched through the mobile station, and the vacuum pump extracts gas in the cavity, so that glue flows downwards and permeates into a tiny gap of a machined part, and the sealing performance of a product is improved; meanwhile, the driving mechanism drives the rotating shaft to rotate, the vacuum column and the air exhaust connector cannot be driven to rotate together, and air pipe distortion or other mechanical problems are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing equipment, in particular to a novel glue dispensing vacuum device. Background Art

[0002] With the increasing requirements for efficiency and precision in industrial production processes, traditional manual gluing or dispensing methods cannot meet the high standards of product quality and production efficiency in modern manufacturing. Glue dispensing machines, as important automation equipment in modern manufacturing industries, can accurately control the distribution and coating of glue. With technological advances, existing glue dispensing machines have integrated advanced control systems, positioning technology and real-time monitoring, especially in the application of processing high-precision and complex products, which greatly improves production efficiency and product quality. They are widely used in electronic manufacturing, automobile manufacturing, medical equipment, packaging industry and other fields.

[0003] During the manufacturing process, precision assembly and sealing are important considerations to ensure product performance, especially in the electronics, medical and automotive industries. However, when faced with situations where the glue is too viscous or the product design is too delicate (such as too small a gap), the penetration ability of the glue after dispensing may be seriously affected. For example, a waterproof structure between a lens and a body is disclosed in a Chinese patent (application number: 201220406359.5). The distance between the lens and the body is very small, and it is difficult for glue with high viscosity to enter and fill the tiny gap. When the product design requires extremely high precision and the gap size is too small, even glue with normal viscosity may not be able to penetrate effectively, thereby affecting the sealing of the product. This lack of penetration will not only reduce the sealing effect of the product, but may also affect the integrity and durability of the product structure. Under harsh environmental conditions, such as temperature changes, increased humidity or mechanical stress, these problems may be further amplified, resulting in reduced product performance or premature failure. Utility Model Content

[0004] In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to propose a new type of dispensing vacuum device, which adopts the following technical solutions:

[0005] The utility model provides a novel glue dispensing vacuum device, comprising a frame and a glue dispensing gun fixedly mounted on the frame, wherein the frame is provided with a moving platform movably disposed back and forth between a glue dispensing station and a vacuuming station, a hollow column is fixedly penetrated on the moving platform, a rotating shaft is rotatably disposed on the hollow column, and a driving mechanism for rotating the rotating shaft is provided, and a glue dispensing fixture is fixedly disposed on the upper end of the rotating shaft;

[0006] In the vacuum station, the frame is movably provided with a pressing block toward the glue dispensing jig, and the pressing block is used to press the workpiece so that the workpiece and the glue dispensing jig are closely fitted to form a cavity;

[0007] One end of the hollow column is connected to the cavity, and the other end is connected to a vacuum pump.

[0008] As a further improvement, the above-mentioned dispensing fixture includes a base, a sealing gasket and a limit seat adapted to the workpiece, the bottom of the above-mentioned base is fixedly connected to the rotating shaft, and the above-mentioned limit seat is arranged on the top; the above-mentioned sealing gasket is arranged between the above-mentioned base and the limit seat, and the sealing gasket is fitted with the workpiece to form the above-mentioned cavity.

[0009] As a further improvement, the upper end of the hollow column is penetrated and arranged on the base.

[0010] As a further improvement, a cylinder is arranged on the frame, the pressing block is fixedly arranged at the lower end of the cylinder, and the cylinder is used to control the upward and downward movement of the pressing block.

[0011] As a further improvement, the driving mechanism includes a rotating motor, a first synchronous wheel and a second synchronous wheel, the first synchronous wheel is fixedly connected to the rotating shaft, the second synchronous wheel is installed at the output end of the rotating motor, and the first synchronous wheel is connected to the second synchronous wheel through a synchronous belt transmission.

[0012] As a further improvement, the movable platform comprises a first platform and a second platform, the first platform is adjustably tilted above the second platform, the second platform is movably disposed on the frame between the dispensing station and the vacuum station, and the hollow column is fixedly penetrated through the first platform.

[0013] As a further improvement, a mounting seat is fixedly provided at the bottom of the first platform, the lower end of the hollow column is fixedly penetrated through the mounting seat, and a sleeve is sleeved between the hollow column and the mounting seat, and the hollow column, sleeve and mounting seat are interconnected.

[0014] As a further improvement, the above-mentioned mounting seat is equipped with an exhaust joint connected to a vacuum pump, and the above-mentioned exhaust joint is interconnected with the above-mentioned hollow column, sleeve and mounting seat, and the upper and lower ends of the above-mentioned mounting seat of the above-mentioned hollow column are provided with a first sealing ring; the upper and lower ends of the above-mentioned sleeve are provided with a first sealing ring.

[0015] As a further improvement, one end of the first platform is hinged to the second platform via a bracket, and the other end is hinged to a support rod, and the other end of the support rod is adjustably connected to the bracket.

[0016] As a further improvement, the above-mentioned bracket is an L-shaped bracket, whose horizontal section is fixed to the above-mentioned second platform, and the end of the vertical section is rotatably connected to the rear end of the side wall of the above-mentioned first platform, and a positioning column is provided in the middle of the vertical section of the above-mentioned bracket; one end of the above-mentioned support rod is rotatably connected to the front end of the side wall of the above-mentioned first platform, and the other end is provided with a strip groove; the above-mentioned positioning column is fixed to different positions of the above-mentioned strip groove by fasteners to adjust the angle of the above-mentioned first platform.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] First, the utility model is provided with a vacuum station. After the glue dispensing is completed, the workpiece is moved to the bottom of the vacuum station, and the pressure block presses the workpiece downward. The glue, the workpiece and the glue dispensing fixture form a cavity. The vacuum pump evacuates from the bottom of the glue dispensing fixture to make the glue flow downward and penetrate into the tiny gaps of the product. The vacuum method effectively solves the problem that the glue cannot penetrate into the tiny gaps due to its high viscosity, ensures the sealing of the product, and can significantly improve the quality and reliability of the product, especially for delicate product design.

[0019] Secondly, the utility model is provided with a mobile platform that can be moved and switched between the dispensing station and the vacuuming station. When the mobile platform is in the dispensing station, the dispensing gun dispenses glue to the product on the dispensing fixture of the mobile platform. When the mobile platform moves to the vacuuming station, the vacuuming mechanism aligns the dispensing fixture to vacuumize. The mobile platform includes a second platform and a first platform with an adjustable inclination angle. By adjusting the inclination of the first platform, dispensing glue at different angles of the workpiece can be achieved. This structure allows dispensing and vacuuming to be smoothly switched on the rack, effectively improving work efficiency.

[0020] Thirdly, the utility model has a dispensing fixture fixed on the rotating shaft, and the driving mechanism drives the rotating shaft to rotate, and the workpiece on the dispensing fixture is dispensed 360 degrees, realizing high-precision dispensing operation. At the same time, the rotation of the rotating shaft will not drive the vacuum joint to rotate, avoiding the distortion of the air pipe or other mechanical problems, which will affect the normal operation of the vacuum pump. This structure ensures the stability and reliability of the vacuuming process, and further improves the production quality of the product.

[0021] Fourthly, the utility model also includes a mounting seat, the hollow column, the sleeve and the mounting seat are interconnected and fixed on the first platform, the mounting seat is provided with an air extraction joint for connecting the vacuum pump, and sealing rings are provided at the upper and lower ends of the mounting seat and the sleeve. Through this structure, the overall stability is increased, especially the influence of the vibration caused by the rotating shaft driven by the rotating motor and the opening and closing of the vacuum pump during dispensing is reduced, and the stability of the dispensing and vacuuming process is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the following is a brief introduction to the drawings required for use in the implementation mode. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 It is a schematic diagram of part of the structure inside the frame of the utility model;

[0025] Figure 3 It is a structural schematic diagram of the mobile station in the utility model;

[0026] Figure 4 It is a structural schematic diagram of the mobile station in the utility model from another perspective;

[0027] Figure 5 for Figure 4 A side cross-sectional view of

[0028] Figure 6 This is a schematic diagram of the structure of the glue dispensing fixture and its accessories in the utility model;

[0029] Figure 7 for Figure 6 Front cross-sectional view of .

[0030] Reference numerals:

[0031] 100- rack; 200- glue gun;

[0032] 1-mobile platform; 2-guide rail;

[0033] 1a-first platform; 1b-second platform; 1c-bracket; 1c1-positioning column; 1d-support rod; 1d1-strip groove;

[0034] 11-hollow column; 11a-sleeve; 12-rotating motor; 12a-second synchronous wheel; 13-rotating shaft; 13a-first synchronous wheel; 14-glue dispensing fixture; 14a-base; 14b-limiting seat; 14c-sealing gasket; 15-synchronous belt; 16-mounting seat; 16a-vacuum joint; 17-first sealing ring; 18-second sealing ring; 301-cylinder; 302-pressing block. DETAILED DESCRIPTION

[0035] In order to facilitate understanding by those skilled in the art, the structure of the present invention is further described in detail with reference to the accompanying drawings:

[0036] In the description of the present invention, the terms "first" and "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. The terms "upper", "lower", "side", "end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0037] like Figure 1-Figure 4 As shown, the present application provides a novel glue dispensing vacuum device, including a frame 100 and a glue dispensing gun 200 fixed to the frame 100. The frame 100 is provided with a movable platform 1 that can be moved back and forth between the glue dispensing station and the vacuuming station. A hollow column 11 is fixedly penetrated on the movable platform 1. The hollow column 11 is rotatably provided with a rotating shaft 13, and is equipped with a driving mechanism for rotating the rotating shaft 13. A glue dispensing fixture 14 is fixedly provided at the upper end of the rotating shaft 13. In the vacuuming station, the frame 100 is movably provided with a pressing block 302 toward the glue dispensing fixture 14. The pressing block 302 is used to extrude the workpiece so that the workpiece and the glue dispensing fixture 14 are closely fitted to form a cavity.

[0038] like Figure 5 and Figure 7 As shown, one end of the hollow column 11 is connected to the cavity, and the other end is connected to a vacuum pump (not shown in the figure), and the vacuum pump is used to extract the gas inside the cavity to form a negative pressure.

[0039] In a specific embodiment, a guide rail 2 is provided on the frame 100, and the movable platform 1 is provided on the guide rail 2. Under the action of the guide rail 2, the movable platform 1 moves between the glue dispensing station and the vacuuming station. A glue dispensing gun 200 is provided above the glue dispensing station.

[0040] In a specific embodiment, the processed parts are a lens and a lens mount, the middle part of the lens mount is a hollow part, and the lens is connected from the top of the lens mount by threads or other connection methods. At this time, there is a gap between the lens and the lens mount. In order to prevent water or dust from invading, glue needs to be dispensed in this gap. When dispensing glue on the lens assembly, the assembled lens assembly is placed above the dispensing jig 14, the movable platform 1 moves the dispensing jig 14 to the dispensing station, the dispensing gun 200 dispenses glue on the lens assembly, and the rotating shaft 13 drives the dispensing jig 14 to rotate 360° under the action of the driving mechanism, and the glue is applied to the gap between the lens and the lens seat. Thereafter, the dispensing jig 14 is moved to the vacuum station by the movable platform 1, and the pressure block 302 on the vacuum station is pressed down to make the lens assembly fit tightly with the dispensing jig 14. At this time, the lens, the lens seat, the glue and the dispensing jig 14 form a cavity, and the vacuum pump extracts the gas inside the cavity through the hollow column 11 to form a negative pressure, and the glue flows downward along the gap between the lens and the lens seat to fill the gap to achieve a sealing effect.

[0041] In a specific embodiment, the driving mechanism includes a rotary motor 12, a first synchronous wheel 13a and a second synchronous wheel 12a, wherein the first synchronous wheel 13a is fixedly connected to the rotary shaft 13, the second synchronous wheel 12a is installed at the output end of the rotary motor 12, and the first synchronous wheel 13a and the second synchronous wheel 12a are connected by a synchronous belt 15. During dispensing, the rotary motor 12 drives the second synchronous wheel 12a to rotate, the second synchronous wheel 12a rotates the first synchronous wheel 13a through the synchronous belt 15, and the first synchronous wheel 13a drives the rotary shaft 13 to rotate, thereby rotating the dispensing fixture 14. In this embodiment, the dispensing gun 200 does not need to rotate, and 360° dispensing is achieved by rotating the dispensing fixture 14. At the same time, the rotation of the rotating shaft 13 will not drive the exhaust pipe connected to the vacuum pump, thereby avoiding distortion of the exhaust pipe or other mechanical problems that affect the normal operation of the vacuum pump, thereby ensuring the stability and reliability of the vacuuming process and further improving the production quality of the product.

[0042] like Figure 3-Figure 7 As shown, the dispensing jig 14 includes a base 14a, a sealing gasket 14c and a limit seat 14b adapted to the workpiece. The bottom of the base 14a is fixedly connected to the rotating shaft 13, and a limit seat 14b is arranged on the top; a sealing gasket 14c is arranged between the base 14a and the limit seat 14b, and the sealing gasket 14c is fitted with the workpiece to form a cavity.

[0043] Specifically, taking the above-mentioned lens assembly as an example, the lens seat is square, and a square hollow portion matching the lens seat is provided in the middle of the limit seat 14b. When placing, the lens assembly is placed on the sealing gasket 14c on the base 14a, and the limit seat 14b is mounted from above. The limit seat 14b is detachably installed on the top of the base 14a by means of a buckle, a limit block or other means. When the pressing block 302 squeezes the workpiece, an upper cavity is formed between the sealing gasket 14c and the workpiece. This structure makes the airtightness of the above-mentioned cavity better, and the negative pressure effect generated by the air extraction is better.

[0044] like Figure 5 and Figure 7 As shown, the upper end of the hollow column 11 is through-set at the bottom of the base 14a, that is, it is through-connected to the above-mentioned cavity, and the lower end is sleeved with a sleeve 11a for connecting to a vacuum pump.

[0045] In a specific embodiment, a through hole is provided at the lower end of the side wall of the hollow column 11, on which the sleeve 11a is sleeved, and an exhaust hole connected to the through hole is provided on the sleeve 11a, and the exhaust hole is used to connect to the exhaust end of the vacuum pump.

[0046] like Figure 1 and Figure 2 As shown, a cylinder 301 is arranged on the frame, and a pressing block 302 is fixedly arranged at the lower end of the cylinder 301 . The cylinder 301 is used to control the pressing block 302 to move up and down.

[0047] In a specific embodiment, the pressing block 302 is detachable and replaceable, and pressing blocks 302 of different shapes are selected for different workpieces to achieve a better pressing effect. The different shapes include but are not limited to the pressing surface shape, the pressing surface inclination angle, etc.

[0048] like Figure 3-Figure 5 As shown, the mobile platform 1 includes a first platform 1a and a second platform 1b, the first platform 1a is tilted and adjustable above the second platform 1b, the second platform 1b is movably arranged on the frame 100 between the dispensing station and the vacuum station, and the hollow column 11 is fixedly penetrated through the first platform 1a. One end of the first platform 1a is hinged to the second platform 1b through a bracket 1c, and the other end is hinged to a support rod 1d, and the other end of the support rod 1d is adjustably connected to the bracket 1c.

[0049] In a specific embodiment, the bracket 1c is L-shaped, and its horizontal section is fixed on the second platform 1b, and the end of the vertical section is rotatably connected to the rear end of the side wall of the first platform 1a, and a positioning column 1c1 is provided in the middle of the vertical section of the bracket 1c. One end of the support rod 1d is rotatably connected to the front end of the side wall of the first platform 1a, and the other end is provided with a strip groove 1d1. The above-mentioned positioning column 1c1 passes through the above-mentioned strip groove 1d1 and is fixed in position by fasteners. By fixing it at different positions of the strip groove 1d1, the inclination angle of the first platform 1a can be adjusted. Through this structure, the angles of the hollow column 11 and the glue dispensing fixture 14 provided on the upper end of the hollow column 11 on the first platform 1a can be adjusted to achieve glue dispensing at different angles of the workpiece. Furthermore, by adjusting the angle of the glue dispensing fixture 14, it is ensured that the workpiece is parallel to the surface of the pressing block 302 without affecting the glue dispensing, thereby achieving a better pressing effect.

[0050] In a specific embodiment, the rotating motor 12 is disposed between the first platform 1a and the second platform 1b, and is fixed to the lower surface of the first platform 1a through a connecting member, making full use of the space between the first platform 1a and the second platform 1b for adjusting the angle, making the structure more compact. At the same time, the rotating motor 12 and the hollow column 11 are both fixed to the first platform 1a, which also makes the transmission structure more stable.

[0051] like Figure 5-Figure 7 As shown, a mounting seat 16 is fixedly provided at the bottom of the first platform 1a, the lower end of the hollow column 11 is fixedly penetrated through the mounting seat 16, and a sleeve 11a is sleeved between the hollow column 11 and the mounting seat 16, and the hollow column 11, the sleeve 11a and the mounting seat 16 are interconnected.

[0052] Furthermore, the mounting seat 16 is equipped with an exhaust joint 16a connected to a vacuum pump, and the exhaust joint 16a is interconnected with the hollow column 11, the sleeve 11a and the mounting seat 16. The upper and lower ends of the mounting seat 16 of the hollow column are provided with a first sealing ring 17; the upper and lower ends of the sleeve 11a are provided with a first sealing ring 18.

[0053] In a specific embodiment, the mounting seat 16 is a square bracket with a hollow middle portion, and a plurality of connecting columns are provided at the upper end thereof for fixed connection to the lower end surface of the first platform 1a. The hollow column 11 is passed through the hollow portion of the mounting seat 16, and the air extraction joint 16a is aligned with the air extraction hole of the sleeve 11a. More specifically, a limiting ring is provided on the hollow column 11 to clamp the mounting seat 16 to the sleeve 11a, and a first sealing ring 17 is provided between the upper and lower ends of the mounting seat 16 and the limiting ring, and a second sealing ring 18 is provided at the upper and lower ends of the sleeve 11a. When the rotating motor 12 is working and the vacuum pump is turned on or off, a certain amount of jitter will be generated due to factors such as mechanical inertia. Long-term use may cause the component to shift and affect the dispensing accuracy. By fixing the mounting seat 16 on the first platform 1a, the impact of the above jitter can be significantly reduced.

[0054] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A novel glue dispensing vacuum device, comprising a frame (100) and a glue dispensing gun (200) fixedly mounted on the frame (100), characterized in that: The frame (100) is provided with a movable platform (1) between the dispensing station and the vacuum pumping station so as to be movable back and forth. A hollow column (11) is fixedly provided on the movable platform (1). The hollow column (11) is rotatably provided with a rotating shaft (13) and is equipped with a driving mechanism for rotating the rotating shaft (13). A dispensing jig (14) is fixedly provided at the upper end of the rotating shaft (13); In the vacuum station, the frame (100) is movably provided with a pressing block (302) toward the glue dispensing jig (14), and the pressing block (302) is used to press the workpiece so that the workpiece and the glue dispensing jig (14) are closely fitted to form a cavity; One end of the hollow column (11) is connected to the cavity, and the other end is connected to a vacuum pump.

2. A novel dispensing vacuum device as claimed in claim 1, characterized in that: The dispensing jig (14) comprises a base (14a), a sealing gasket (14c) and a limiting seat (14b) adapted to the workpiece, wherein the bottom of the base (14a) is fixedly connected to the rotating shaft (13), and the limiting seat (14b) is arranged on the top; the sealing gasket (14c) is arranged between the base (14a) and the limiting seat (14b), and the sealing gasket (14c) is fitted with the workpiece to form the cavity.

3. A novel dispensing vacuum device as claimed in claim 2, characterized in that: The upper end of the hollow column (11) is disposed through the base (14a).

4. A novel dispensing vacuum device as claimed in claim 3, characterized in that: The frame is provided with a cylinder (301), the lower end of the cylinder (301) is fixedly provided with the pressing block (302), and the cylinder (301) is used to control the upward and downward movement of the pressing block (302).

5. A novel dispensing vacuum device as claimed in claim 1, characterized in that: The driving mechanism comprises a rotating motor (12), a first synchronous wheel (13a) and a second synchronous wheel (12a), wherein the first synchronous wheel (13a) is fixedly connected to the rotating shaft (13), the second synchronous wheel (12a) is installed at the output end of the rotating motor (12), and the first synchronous wheel (13a) is connected to the second synchronous wheel (12a) via a synchronous belt (15).

6. A novel dispensing vacuum device as claimed in claim 1, characterized in that: The movable platform (1) comprises a first platform (1a) and a second platform (1b); the first platform (1a) is adjustably tilted above the second platform (1b); the second platform (1b) is movably disposed on the frame (100) between a dispensing station and a vacuum station; and the hollow column (11) is fixedly disposed on the first platform (1a).

7. A novel dispensing vacuum device as claimed in claim 6, characterized in that: A mounting seat (16) is fixedly provided at the bottom of the first platform (1a); the lower end of the hollow column (11) is fixedly inserted into the mounting seat (16); a sleeve (11a) is sleeved between the hollow column (11) and the mounting seat (16); and the hollow column (11), the sleeve (11a) and the mounting seat (16) are interconnected.

8. A novel glue dispensing vacuum device as claimed in claim 7, characterized in that: The mounting seat (16) is provided with an exhaust joint (16a) connected to a vacuum pump, and the exhaust joint (16a) is interconnected with the hollow column (11), the sleeve (11a) and the mounting seat (16); the upper and lower ends of the mounting seat (16) of the hollow column are provided with a first sealing ring (17); the upper and lower ends of the sleeve (11a) are provided with a second sealing ring (18).

9. A novel dispensing vacuum device as claimed in claim 6, characterized in that: One end of the first platform (1a) is hinged to the second platform (1b) via a bracket (1c), and the other end is hinged to a support rod (1d), and the other end of the support rod (1d) is adjustably connected to the bracket (1c).

10. A novel dispensing vacuum device as claimed in claim 9, characterized in that: The bracket (1c) is an L-shaped bracket, the horizontal section of which is fixedly mounted on the second platform (1b), the end of the vertical section is rotatably connected to the rear end of the side wall of the first platform (1a), and a positioning column (1c1) is provided in the middle of the vertical section of the bracket (1c); one end of the support rod (1d) is rotatably connected to the front end of the side wall of the first platform (1a), and the other end is provided with a strip groove (1d1); the positioning column (1c1) is fixed to different positions of the strip groove (1d1) by fasteners to adjust the angle of the first platform (1a).

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