Diaphragm dispensing equipment

Abstract

The utility model discloses diaphragm dispensing equipment which comprises a vacuum adsorption platform and a dispensing transfer module, at least one set of dispensing assembly is arranged on the dispensing transfer module, each set of dispensing assembly comprises a screw valve, and each screw valve comprises a rotor fixing seat with a first mounting surface and a rotor fixing seat with a second mounting surface; the stator fixing seat is provided with a second mounting surface, and the second mounting surface is opposite to the first mounting surface; the quick release piece is sleeved on the rotor fixing seat and the stator fixing seat and is provided with a first connecting part and a second connecting part; the first connecting part is provided with a first abutting face used for being matched with the connecting face of the stator fixing base, and the second connecting part is provided with a first thread used for being in threaded connection with the connecting end of the rotor fixing base. The utility model at least has the following advantages: not only can the fixing and supporting function be realized, but also the aligning and guiding during the installation can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing, and more specifically to a diaphragm glue dispensing device. Background Art

[0002] The description in this section merely provides background information related to the disclosure of the present utility model and does not constitute prior art.

[0003] With the advancement of science and technology, the automobile industry has been able to develop rapidly, and the requirements for automobile quality are also constantly increasing. The requirements for automobile processing technology are also increasing. In the dispensing process of automobile diaphragms as automobile sealing functions, the screw dispensing valves in traditional dispensing equipment need to be disassembled and repaired regularly in actual use. When the stator is disassembled and reinstalled, in order to avoid inaccurate glue metering or overflow, it is necessary to ensure that the stator is installed in the correct position without deviation. At present, the installation of the stator in the existing market can only play a fixed support role and cannot achieve alignment and guidance. It is necessary to install an additional guide mechanism to assist the installation or directly judge by the operator. Therefore, disassembly and installation are very inconvenient, and the displacement of the stator installation affects the quality of dispensing.

[0004] It should be noted that the above introduction to the technical background is only for the convenience of providing a clear and complete description of the technical solutions of the utility model and for the convenience of understanding by those skilled in the art. It cannot be considered that the above technical solutions are well known to those skilled in the art simply because these solutions are described in the background technology section of the utility model. Summary of the invention

[0005] The technical problem to be solved by the utility model is to provide a diaphragm dispensing device, which can not only play a fixed supporting role, but also realize alignment and guidance during installation.

[0006] In order to solve the above technical problems, the utility model provides a diaphragm dispensing equipment, including a dispensing transfer module arranged around a vacuum adsorption platform, the dispensing transfer module is provided with at least one set of dispensing components for dispensing on the diaphragm on the vacuum adsorption platform, each set of the dispensing components includes a screw valve, the screw valve includes: a rotor fixing seat having a first mounting surface; a stator fixing seat having a second mounting surface, the second mounting surface being arranged opposite to the first mounting surface; a quick-release part which is sleeved on the rotor fixing seat and the stator fixing seat and has a first connecting part and a second connecting part; the first connecting part has a first abutting surface for adapting to the connecting surface of the stator fixing seat, and the second connecting part has a first thread for threaded connection with the connecting end of the rotor fixing seat. During installation, the first thread is gradually tightened, and the first abutting surface pushes the stator fixing seat close to the rotor fixing seat so that the second mounting surface and the first mounting surface are pressed and matched.

[0007] As a further preferred embodiment, the first abutting surface is a first wedge-shaped surface, the connecting surface is a second wedge-shaped surface matched therewith, the first mounting surface and the second mounting surface are both stepped in cross-section and arranged in a ring shape, the first mounting surface and the second mounting surface are concave-convex matched, the rotor is an eccentric screw, the end of which is away from the stator is a metal flexible part wrapped with a rubber layer, the end close to the stator is a metal part, and the stator is a rubber part.

[0008] As a further preferred embodiment, the transfer module includes a parallel X-axis transfer module, a parallel Y-axis transfer module and two independently arranged Z-axis transfer modules respectively installed on the corresponding X-axis transfer modules, each Z-axis transfer module is installed with the screw valve through a mounting plate, each set of the dispensing assembly includes a rubber cartridge, a fixed block for installing the rubber cartridge is detachably installed on one side of the rotor fixing seat, the fixed block is provided with a feed cavity, the rubber cartridge is installed on the fixed block and the rubber cartridge is connected to the inner cavity of the rotor fixing seat through the feed cavity, a heating unit is provided at the bottom of the fixed block, and a temperature detection unit is installed on the outside of the heating unit.

[0009] As a further preferred embodiment, a cylindrical fixing frame is installed on the fixing block, the rubber tube is embedded in the cylindrical fixing frame, and the inner wall of the cylindrical fixing frame is also provided with a heat-insulating layer that can wrap the outer surface of the rubber tube.

[0010] As a further preferred embodiment, it also includes an industrial computer. A height sensor and a CCD camera are also installed on the mounting plate. A standard data module is set in the industrial computer. The height sensor obtains the distance from the upper surface of the diaphragm on the vacuum adsorption platform to the height sensor, and sends the signal to the industrial computer. The industrial computer compares the obtained signal with the standard data module. The industrial computer controls the screw valve to move downward to apply glue according to the comparison result. The CCD camera takes a picture of the diaphragm on the vacuum adsorption platform and sends the obtained picture to the industrial computer. The industrial computer compares it with the standard data module and controls the glue application path of the screw valve according to the offset result of the comparison.

[0011] As a further preference, a first cleaning calibration module and a second cleaning calibration module are arranged on one side close to one of the Y-axis transfer modules, and each of the cleaning calibration modules includes a mounting frame, a scraper unit installed on the mounting frame, a weighing unit, and a needle calibration module located between the scraper unit and the weighing unit.

[0012] As a further preference, the scraper unit includes a support frame installed on the mounting frame, and a winding roller, an unwinding roller, a group of relatively arranged scraper blocks and a reversing roller installed on the support frame, and sponge parts are respectively embedded and installed on the opposite side walls of the two scraper blocks.

[0013] As a further preference, the rotor is an eccentric screw, the end of which away from the stator is a metal flexible part wrapped with a rubber layer, the end close to the stator is a metal part, and the stator is a rubber part.

[0014] As a further preferred embodiment, the cylindrical fixing frame has a longitudinal opening, an adjusting block is installed in the opening, an adjusting plate is installed on the adjusting block, the adjusting block is provided with a plurality of mounting positions along the height direction, the mounting height of the adjusting plate is adjusted by installing the adjusting plate at different mounting positions, and a liquid level sensor for detecting the liquid level in the rubber cylinder is installed on the adjusting plate.

[0015] As a further preferred embodiment, the device further comprises a shell, wherein the shell is provided with an air exhaust port, the air exhaust port is connected to a blower, and positioning ribs are arranged around the vacuum adsorption platform.

[0016] By means of the above technical solution, the beneficial effects of the utility model are as follows:

[0017] The utility model discloses a diaphragm dispensing device, whose quick-release parts can not only realize rapid disassembly and facilitate maintenance work, but also can quickly align the guide during installation, effectively avoiding the stator from being skewed during installation and affecting the quality of subsequent gluing and the service life of the product. By providing a liquid level sensor and installing the liquid level sensor on an adjustment block that can be adjusted up and down, and the adjustment block is installed on a cylindrical fixing frame, it can be applied to rubber cylinders with different liquid levels, and it is very convenient to install and use. A heating unit is provided on the outer wall of the feed chamber, which can effectively ensure the fluidity of the glue. Transfer modules are provided around the vacuum adsorption platform, and two sets of independently working dispensing components are included, which effectively improves the work efficiency of dispensing. The application is also provided with a height sensor and a CCD camera, which can effectively solve the problems of different product sizes and placement position offsets that affect the quality of gluing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This utility model Figure 1 Schematic diagram of the internal components in;

[0020] Figure 3 This is a schematic diagram of the screw valve of the utility model;

[0021] Figure 4 This utility model Figure 3 A cross-sectional view of

[0022] Figure 5 The utility model Figure 5 A magnified schematic diagram of point A;

[0023] Figure 6 The utility model Figure 5 An enlarged schematic diagram of point B;

[0024] Figure 7 It is a three-dimensional diagram of the screw valve of the utility model;

[0025] Figure 8 It is a structural schematic diagram of one of the cleaning and calibration modules of the utility model;

[0026] Fig. 9 The utility model Figure 2 Enlarged schematic diagram of point C.

[0027] in:

[0028] 1. Rotor fixing seat; 101. First mounting surface; 2. Stator fixing seat; 201. Second mounting surface; 3. Quick release part; 303. First abutting surface; 304. First thread; 4. Power assembly; 401. Servo motor; 402. Reducer; 403. Coupling; 404. Connecting shaft; 5. Sealing assembly; 6. Needle; 7. Rotor; 8. Stator; 9. Adapter seat; 10. Bearing; 11. Guide ring; 12. Cage; 13. First sealing ring; 14. Second sealing ring; 15. Fixing block; 1501. Feeding chamber; 16. Rubber cylinder; 17. Heating unit; 19. Cylindrical fixing frame; 20. Insulation layer; 21. Adjusting block; 22. Adjusting sheet ; 23. Liquid level sensor; 24. Vacuum adsorption platform; 25. Transfer module; 2501. X-axis transfer module; 2502. Y-axis transfer module; 2503. Z-axis transfer module; 26. Glue dispensing assembly; 27. Mounting plate; 28. Height sensor; 29. ​​CCD camera; 30. First cleaning calibration module; 31. Second cleaning calibration module; 3101. Mounting frame; 3102. Glue scraping unit; 3103. Weighing unit; 3104. Winding roller; 3105. Unwinding roller; 3106. Glue scraping block; 3107. Reversing roller; 3108. Waste glue barrel; 32. Housing; 33. Blower; 34. Safety grating; 35. Needle calibration module. DETAILED DESCRIPTION

[0029] 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.

[0030] It should be noted that in the description of the present invention, the terms "first", "second", etc. are only used for descriptive purposes and to distinguish similar objects. There is no order of precedence between the two, and they cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0031] See attached Figure 1-4 , a diaphragm dispensing device described in a preferred embodiment of the present invention comprises a vacuum adsorption platform 24, a dispensing transfer module 25 arranged around the vacuum adsorption platform 24, and the dispensing transfer module is provided with at least one set of dispensing components 26 for dispensing the diaphragm on the vacuum adsorption platform 24, and each set of dispensing components 26 comprises: a power component 4, a sealing component 5, a needle 6, a rotor 7, and a stator 8 coaxially arranged with the rotor 7, and also comprises a rotor 7 fixing seat 1 for installing the rotor 7 and a stator 8 mounting seat for installing the stator 8, the rotor 7 mounting seat has a first mounting surface 101, and the stator 8 fixing seat 2 has a second mounting surface 201, and a quick release part 3 is used to install the rotor 7 mounting seat and the stator 8 mounting seat, and during installation, the second mounting surface 201 is arranged relative to the first mounting surface 101 for installation. The quick release part 3 is sleeved on the rotor 7 fixing seat 1 and the stator 8 fixing seat 2, and has a first connecting portion and a second connecting portion.

[0032] The first connection part has a first abutting surface 303 adapted to the connection surface of the stator 8 fixing seat 2, and the second connection part has a first thread 304 for threaded connection with the connection end of the rotor 7 fixing seat 1. The first abutting surface 303 is a first wedge-shaped surface, and the connection surface is a second wedge-shaped surface adapted thereto. The first wedge-shaped surface is a tapered surface that gradually narrows in the direction away from the rotor 7 fixing seat 1. The lower end of the tapered surface has a first flat surface, and a second flat surface is connected between the upper end and the first thread 304. During installation, the first thread 304 is gradually tightened, and the first abutting surface 303 pushes the stator 8 fixing seat 2 close to the rotor 7 fixing seat 1 so that the second installation surface 201 and the first installation surface 101 are pressed and matched. There is a small gap between the first flat surface and the outer surface of the stator 8 fixing seat 2, and there is a small gap between the second flat surface and the outer surface of the stator 8 fixing seat 2. The quick-release part 3 adopts such a structure, which can not only realize quick disassembly and facilitate maintenance, but also can quickly align the guide during installation, effectively avoiding the stator 8 from being skewed during installation, which will affect the quality of subsequent gluing and the service life of the product. Figure 4 In order to facilitate initial positioning, it is preferred that the first mounting surface 101 and the second mounting surface 201 are arranged in a stepped annular cross-section, and the first mounting surface 101 and the second mounting surface 201 are matched in a concave-convex manner.

[0033] The rotor 7 of the present application is accommodated in the inner cavity of the rotor 7 fixing seat 1, and the stator 8 is embedded and installed in the stator 8 mounting seat. The rotor 7 is provided with a spiral structure along its axial direction, and the inner diameter of the stator 8 is clearance-matched with the outer diameter of the rotor 7. A liquid containing cavity is formed between the spiral structure of the rotor 7 and the stator 8 to accommodate liquids with medium and low viscosities. One end of the rotor 7 is connected to the output end of the power component 4, and the power component 4 is configured to drive the rotor 7 to rotate to squeeze the liquid out of the needle 6. The rotor 7 is an eccentric screw, and its end away from the stator 8 is a metal flexible part wrapped with a rubber layer, and the end close to the stator 8 is a metal part. The stator 8 is a rubber part. The power assembly 4 includes a servo motor 401, a reducer 402, a coupling 403 and a connecting shaft 404 which are sequentially connected in transmission. A sealing cavity is provided between the coupling 403 and the rotor 7 fixed seat 1 through an adapter seat 9. The connecting shaft 404 is arranged through the adapter seat 9, and one end of the connecting shaft 404 is connected to the coupling 403, and the other end is connected to the rotor 7. The connecting shaft 404 is sequentially provided with the following along the direction away from the coupling 403: a bearing 10, a retaining ring, a guide ring 11, a retaining frame 12 and a first sealing ring 13 for axial sealing. The connection between the adapter seat 9 and the rotor 7 fixed seat 1 is provided with a second sealing ring 14 for radial sealing.

[0034] The transfer module of the present application includes an X-direction transfer module 2501 arranged in parallel, a Y-direction transfer module 2502 arranged in parallel, and two Z-direction transfer modules 2503 independently installed on the corresponding X-direction transfer module 2501. The X-direction transfer module 2501 is mounted on the Y-direction transfer module 2502 and can move along the Y direction. The screw valve is installed on each Z-direction transfer module 2503 through a mounting plate 27. Each set of the dispensing assembly 26 includes a rubber cylinder 16. A fixed part for installing the rubber cylinder 16 is detachably installed on one side of the rotor 7 fixing seat 1. The fixed block 15 is provided with a feed cavity 1501, the rubber cylinder 16 is installed on the fixed block 15 and the rubber cylinder 16 is connected with the inner cavity of the rotor 7 fixing seat 1 through the feed cavity 1501, a heating unit 17 is provided at the bottom of the fixed block 15, a temperature detection unit is installed on the outer side of the heating unit 17, a cylindrical fixing frame 19 is installed on the fixed block 15, the rubber cylinder 16 is embedded and installed in the cylindrical fixing frame 19, and the inner wall of the cylindrical fixing frame 19 is also provided with a heat preservation layer 20 that can wrap the outer surface of the rubber cylinder 16. The cylindrical fixing frame 19 has a longitudinal opening, an adjustment block 21 is installed in the opening, an adjustment sheet 22 is installed on the adjustment block 21, and the adjustment block 21 is provided with a plurality of installation positions along the height direction. The installation height of the adjustment sheet 22 can be adjusted by installing the adjustment sheet 22 in different installation positions, and a liquid level sensor 23 for detecting the liquid level in the rubber cylinder 16 is installed on the adjustment sheet 22.

[0035] The present application also includes an industrial computer. Since the size of each diaphragm itself is inconsistent, and there will be a slight tilt when placed on the vacuum adsorption platform, which will affect the gluing work of the product, a height sensor 28 and a CCD camera 29 are also installed on the mounting plate 27 of the present application. The industrial computer is provided with a standard data module. The height sensor obtains the distance from the upper surface of the diaphragm on the vacuum adsorption platform to the height sensor, and sends the signal to the industrial computer. The industrial computer compares the obtained signal with the standard data module, and controls the downward movement of the screw valve for gluing according to the comparison result. The CCD camera takes a picture of the diaphragm on the vacuum adsorption platform and sends the obtained picture to the industrial computer. The industrial computer compares it with the standard data module, and controls the gluing path of the screw valve according to the offset result of the comparison. A first cleaning calibration module 30 and a second cleaning calibration module 31 are arranged on one side close to one of the Y-axis transfer modules 2502, and each of the cleaning calibration modules includes a mounting frame 3101, a scraper unit 3102 mounted on the mounting frame 3101, a weighing unit 3103, and a needle 6 calibration module located between the scraper unit 3102 and the weighing unit 3103. The scraper unit 3102 includes a support frame installed on the mounting frame 3101 and a winding roller 3104, an unwinding roller 3105, a group of relatively arranged scraper blocks 3106 and a reversing roller 3107 installed on the support frame. The scraper on the winding roller 3104 extends from the winding roller 3104, wraps around the first adjustment roller, extends from between the two scraper blocks 3106, wraps around the reversing roller 3107, passes between the two scraper blocks 3106 and wraps around the second adjustment roller before being wound up by the winding roller 3104. A glue outlet is provided on the support frame, and a waste glue barrel 3108 for collecting waste glue scraped by the scraper unit 3102 is provided below the glue outlet. A sponge is also embedded and installed on the opposite side of the two scraper blocks 3106 to improve the scraping efficiency. Specifically, the membrane dispensing device of the present application further includes a housing, the housing is provided with an air outlet, the air outlet is connected to a blower 33, and positioning ribs are arranged around the vacuum adsorption platform 24. The housing is also provided with an inlet and outlet, and a safety grating 34 is arranged at the inlet and outlet.

[0036] The above-described embodiments are only preferred embodiments for fully illustrating the present utility model, and the protection scope of the present utility model is not limited thereto. Equivalent substitutions or changes made by technicians in the technical field on the basis of the present utility model are all within the protection scope of the present utility model. The protection scope of the present utility model shall be subject to the claims.

Claims

1. A film dispensing device, characterized in that: It includes a dispensing and transferring module arranged around a vacuum adsorption platform, the dispensing and transferring module is provided with at least one set of dispensing components for dispensing on a diaphragm on the vacuum adsorption platform, each set of the dispensing components includes a screw valve, the screw valve includes: a rotor fixing seat having a first mounting surface; a stator fixing seat having a second mounting surface, the second mounting surface being arranged opposite to the first mounting surface; a quick-release part which is sleeved on the rotor fixing seat and the stator fixing seat and has a first connecting portion and a second connecting portion; the first connecting portion has a first abutting surface for adapting to the connecting surface of the stator fixing seat, and the second connecting portion has a first thread for threaded connection with the connecting end of the rotor fixing seat, during installation, the first thread is gradually tightened, and the first abutting surface pushes the stator fixing seat close to the rotor fixing seat so that the second mounting surface and the first mounting surface are pressed and matched.

2. The film dispensing equipment according to claim 1, characterized in that: The first abutting surface is a first wedge-shaped surface, the connecting surface is a second wedge-shaped surface adapted thereto, the first mounting surface and the second mounting surface are both stepped in cross-section and arranged in a ring shape, the first mounting surface and the second mounting surface are concave-convex matched, the rotor is an eccentric screw, the end of which away from the stator is a metal flexible part wrapped with a rubber layer, the end close to the stator is a metal part, and the stator is a rubber part.

3. The film dispensing equipment according to claim 1, characterized in that: The transfer module includes a parallel X-axis transfer module, a parallel Y-axis transfer module and two independently arranged Z-axis transfer modules respectively installed on the corresponding X-axis transfer modules. The screw valve is installed on each Z-axis transfer module through a mounting plate. Each set of the dispensing components includes a rubber cartridge. A fixed block for installing the rubber cartridge is detachably installed on one side of the rotor fixing seat. The fixed block is provided with a feed cavity. The rubber cartridge is installed on the fixed block and the rubber cartridge is connected to the inner cavity of the rotor fixing seat through the feed cavity. A heating unit is provided at the bottom of the fixed block, and a temperature detection unit is installed on the outer side of the heating unit.

4. The film dispensing equipment according to claim 3, characterized in that: A cylindrical fixing frame is installed on the fixing block, the rubber tube is embedded in the cylindrical fixing frame, and the inner wall of the cylindrical fixing frame is also provided with a heat-insulating layer which can wrap the outer surface of the rubber tube.

5. The film dispensing equipment according to claim 3, characterized in that: It also includes an industrial computer. A height sensor and a CCD camera are also installed on the mounting plate. A standard data module is set in the industrial computer. The height sensor obtains the distance from the upper surface of the diaphragm on the vacuum adsorption platform to the height sensor, and sends the signal to the industrial computer. The industrial computer compares the obtained signal with the standard data module. The industrial computer controls the screw valve to move downward to apply glue according to the comparison result. The CCD camera takes a picture of the diaphragm on the vacuum adsorption platform and sends the obtained picture to the industrial computer. The industrial computer compares it with the standard data module and controls the glue application path of the screw valve according to the offset result of the comparison.

6. The film dispensing equipment according to claim 3, characterized in that: A first cleaning calibration module and a second cleaning calibration module are arranged on one side close to one of the Y-axis transfer modules. Each of the cleaning calibration modules includes a mounting frame, a scraper unit mounted on the mounting frame, a weighing unit, and a needle calibration module located between the scraper unit and the weighing unit.

7. The film dispensing device according to claim 6, characterized in that: The scraper unit comprises a support frame installed on the mounting frame, a winding roller, an unwinding roller, a group of relatively arranged scraper blocks and a reversing roller installed on the support frame, and sponge parts are respectively embedded and installed on the opposite side walls of the two scraper blocks.

8. The film dispensing equipment according to claim 1, characterized in that: The rotor is an eccentric screw, one end of which is away from the stator is a metal flexible part wrapped with a rubber layer, and the other end close to the stator is a metal part, and the stator is a rubber part.

9. The film dispensing device according to claim 4, characterized in that: The cylindrical fixing frame has a longitudinal opening, an adjusting block is installed in the opening, an adjusting plate is installed on the adjusting block, a plurality of mounting positions are arranged on the adjusting block along the height direction, the mounting height of the adjusting plate is adjusted by installing the adjusting plate at different mounting positions, and a liquid level sensor for detecting the liquid level in the rubber cylinder is installed on the adjusting plate.

10. The film dispensing equipment according to claim 1, characterized in that: The utility model also comprises a shell, wherein the shell is provided with an air exhaust port, the air exhaust port is connected with a blower, and positioning ribs are arranged around the vacuum adsorption platform.

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