Abrasive cloth primer coating device

Abstract

The utility model relates to the technical field of abrasive cloth gluing, and discloses an abrasive cloth primer gluing device which comprises a gluing box, through grooves for abrasive cloth to penetrate through are formed in the top and the bottom of the gluing box, through pipes are arranged in the gluing box, and the two through pipes are symmetrically arranged about the center line of the longitudinal axis of the through grooves. The through pipe fixedly penetrates through the front side wall of the gluing box, and nozzles are uniformly mounted on the inner side surface of the through pipe; air ducts are fixedly arranged on the left side wall and the right side wall of the gluing box in a penetrating mode, and electric heating nets are fixedly installed on the inner wall faces of the air ducts. According to the abrasive cloth primer coating device, the two faces of abrasive cloth can be coated with primer at the same time, the uniformity of the primer on the two sides of the abrasive cloth is guaranteed, the abrasive cloth primer coating quality is improved, meanwhile, drying can be conducted after coating, the abrasive cloth primer coating working efficiency can be improved, operation is easy, convenient and flexible, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of emery cloth gluing, in particular to an emery cloth base glue gluing device. Background Art

[0002] Emery cloth is a sheet-shaped coated abrasive tool that uses a binder to adhere abrasives to a cloth or paper substrate. Gluing is an important step in the production process of emery cloth. First, a primer needs to be applied, and then a binder is applied to adhere the abrasive after the primer is dried. However, the existing cloth primer gluing device still has certain defects, such as:

[0003] The "emery cloth base glue high penetration gluing device" with application number CN202121419543.9 can only be used to apply glue to one side of the emery cloth during use. The glue will penetrate into the other side during the extrusion process of the emery cloth, but it is difficult to ensure the uniformity of the glue coating on both sides of the emery cloth, which affects the quality of the emery cloth base glue coating and the subsequent processing of double-sided emery cloth. At the same time, it cannot be dried, which affects the work efficiency of the emery cloth base glue coating and has limitations in use. In view of this, an emery cloth base glue coating device is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide an abrasive cloth primer coating device to solve the problem in the above background technology that the existing abrasive cloth primer coating device is inconvenient to evenly coat the glue on both sides of the abrasive cloth at the same time and dry it quickly.

[0005] To achieve the above object, the utility model provides the following technical solutions: a device for applying glue to an abrasive cloth, comprising a glue coating box, wherein the top and bottom of the glue coating box are provided with through slots for the abrasive cloth to pass through.

[0006] The glue coating box is provided with a through pipe inside, and two through pipes are symmetrically provided with the longitudinal axis center line of the through slot, the through pipes are fixedly passed through the front side wall of the glue coating box, and nozzles are evenly installed on the inner side surfaces of the through pipes;

[0007] The left and right side walls of the glue coating box are both fixedly provided with air ducts, and the inner wall surface of the air duct is fixedly installed with an electric heating net.

[0008] The above technical solution facilitates the simultaneous and uniform coating of primer on both sides of the abrasive cloth and rapid drying, thereby improving work efficiency.

[0009] As the preferred technical solution of the present invention, a mounting plate is fixedly installed on the right side of the front side of the glue coating box, and a motor is fixedly installed on the left side of the mounting plate, the shaft end of the motor is fixedly connected to the right end of the reciprocating screw, and a slide is provided on the outer side of the reciprocating screw, the bottom surface of the slide is laterally slidably connected to the top surface of the glue box, and the glue box is fixedly installed on the front side of the glue coating box.

[0010] The above technical solution facilitates the reciprocating movement of the slide plate by the rotation of the reciprocating screw.

[0011] As an optimal technical solution of the present invention, a sliding rod is fixedly installed on the right side of the slide, and the sliding rod slides through the right side wall of the cylinder, the cylinder is fixedly installed on the top surface of the glue liquid box, and the left end of the reciprocating screw is connected to the right side bearing of the cylinder, the left end of the sliding rod is fixedly installed with a piston, and the diameter of the piston matches the inner diameter of the cylinder, the left and right ends of the bottom of the cylinder are fixedly penetrated with a feed pipe, and the feed pipe is fixedly penetrated through the top of the glue liquid box, a one-way feed valve is provided on the feed pipe, and the bottom end of the feed pipe is fixedly connected and connected with a drawing pipe, the left and right ends of the top of the cylinder are fixedly penetrated with a discharge pipe, and a one-way discharge valve is provided on the discharge pipe, the top of the discharge pipe is fixedly installed with a delivery pipe, and the delivery pipe is fixedly connected to the front end of the through pipe.

[0012] By adopting the above technical solution, the sliding plate can drive the sliding rod and the piston to move back and forth when the sliding plate moves back and forth, so that the glue liquid is sucked out and sprayed.

[0013] As a preferred technical solution of the present invention, the drawing tube is in an inverted L-shape, and the bottom end of the drawing tube is located 5 mm above the bottom surface of the glue box.

[0014] The above technical solution is adopted to ensure that the glue liquid is effectively extracted through the extraction pipe.

[0015] As an optimal technical solution of the present invention, a driving gear is fixedly mounted on the reciprocating screw rod, and the driving gear is meshedly connected to the driven gear. The driven gear is fixedly mounted on the transmission rod, and the transmission rod bearing is arranged through the mounting plate.

[0016] The above technical solution facilitates the rotation of the transmission rod through the driving gear and the driven gear when the reciprocating screw rotates.

[0017] As an optimal technical solution of the present invention, the left and right ends of the transmission rod are connected to the outer end of the rotating rod through a belt transmission device, and the transverse bearing of the rotating rod is set through the center of the strip plate, and the strip plate is fixedly installed on the inner wall surface of the wind tube, and a fan is coaxially fixedly installed on the inner end of the rotating rod, and the fan is located on the outside of the electric heating network.

[0018] By adopting the above technical solution, when the transmission rod rotates, the rotating rod and the fan are driven to rotate through the belt transmission device, so that air is supplied to the glue coating box.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: the emery cloth primer coating device can coat the primer on both sides of the emery cloth at the same time, thereby ensuring the uniformity of the primer on both sides of the emery cloth and improving the quality of the emery cloth primer coating; and the device can be dried after coating, thereby facilitating the improvement of the working efficiency of the emery cloth primer coating, and the operation is simple, flexible and practical.

[0020] 1. Start the motor to rotate the reciprocating screw, so that the slide drives the slide rod and the piston to move back and forth, so that the glue liquid is extracted and discharged into the through pipe and sprayed onto the emery cloth through the nozzle, so that the primer is sprayed on both sides of the emery cloth at the same time to ensure the uniformity of the glue coating;

[0021] 2. When the reciprocating screw rotates, the driving gear and the driven gear rotate the transmission rod, and the belt transmission device drives the fan to rotate, so that air is supplied to the gluing box and heated by the electric heating network to ensure that hot air is blown to the emery cloth, achieving rapid drying and improving the gluing production efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the top view of the structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the main cross-sectional structure of the glue coating box of the utility model;

[0025] Figure 4 This is a schematic diagram of the connection structure between the glue tank and the cylinder in the main cross-section of the utility model;

[0026] Figure 5 This is a schematic diagram of the three-dimensional connection structure between the air duct and the strip plate of the utility model;

[0027] Figure 6 This is a schematic diagram of the three-dimensional connection structure of the through pipe, nozzle and material delivery pipe of the utility model.

[0028] In the figure: 1. Glue coating box; 2. Through groove; 3. Through pipe; 4. Nozzle; 5. Air duct; 6. Electric heating grid; 7. Mounting plate; 8. Motor; 9. Reciprocating screw; 10. Slide plate; 11. Glue box; 12. Sliding rod; 13. Cylinder; 14. Piston; 15. Feed pipe; 16. Extraction pipe; 17. Discharge pipe; 18. Conveying pipe; 19. Driving gear; 20. Driven gear; 21. Transmission rod; 22. Belt transmission device; 23. Rotating rod; 24. Strip plate; 25. Fan. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-6 The technical solution of the present invention is as follows: a device for applying glue to an abrasive cloth, comprising a glue coating box 1, the top and bottom of which are provided with through slots 2 for the abrasive cloth to pass through, a through pipe 3 provided inside the glue coating box 1, and two through pipes 3 are symmetrically provided with the longitudinal midline of the through slot 2, the through pipe 3 is fixedly passed through the front side wall of the glue coating box 1, and nozzles 4 are evenly installed on the inner side surface of the through pipe 3, and air ducts 5 are fixedly passed through the left and right side walls of the glue coating box 1, and an electric heating net 6 is fixedly installed on the inner wall surface of the air duct 5;

[0031] A mounting plate 7 is fixedly mounted on the right side of the front side of the glue coating box 1, and a motor 8 is fixedly mounted on the left side of the mounting plate 7. The shaft end of the motor 8 is fixedly connected to the right end of the reciprocating screw 9, and a slide 10 is sleeved on the outer side of the reciprocating screw 9. The bottom surface of the slide 10 is laterally slidably connected to the top surface of the glue tank 11, and the glue tank 11 is fixedly mounted on the front side of the glue coating box 1;

[0032] The right side of the slide 10 is fixedly mounted with a slide rod 12, and the slide rod 12 slides through the right side wall of the cylinder 13. The cylinder 13 is fixedly mounted on the top surface of the glue tank 11, and the left end of the reciprocating screw 9 is connected to the right side bearing of the cylinder 13. The left end of the slide rod 12 is fixedly mounted with a piston 14, and the diameter of the piston 14 matches the inner diameter of the cylinder 13. The left and right ends of the bottom of the cylinder 13 are fixedly penetrated with a feed pipe 15, and the feed pipe 15 is fixedly penetrated through the glue tank 11. At the top, a one-way feed valve is provided on the feed pipe 15, and the bottom end of the feed pipe 15 is fixedly connected to a pumping pipe 16, which is in an inverted L-shape, and the bottom end of the pumping pipe 16 is located 5 mm above the bottom surface of the glue liquid box 11. Discharge pipes 17 are fixedly provided on both ends of the top of the cylinder 13, and a one-way discharge valve is provided on the discharge pipe 17. A delivery pipe 18 is fixedly installed on the top of the discharge pipe 17, and the delivery pipe 18 is fixedly connected to the front end of the through pipe 3;

[0033] A driving gear 19 is fixedly mounted on the reciprocating screw 9, and the driving gear 19 is meshed with a driven gear 20, and the driven gear 20 is fixedly mounted on a transmission rod 21, and the bearing of the transmission rod 21 passes through the mounting plate 7;

[0034] The left and right ends of the transmission rod 21 are connected to the outer end of the rotating rod 23 through a belt transmission device 22, and the transverse bearing of the rotating rod 23 is set through the center of the strip plate 24, and the strip plate 24 is fixedly installed on the inner wall surface of the wind tube 5. The inner end of the rotating rod 23 is coaxially fixed with a fan 25, and the fan 25 is located on the outside of the electric heating network 6.

[0035] Working principle: When in use, the abrasive cloth passes through the through slot 2 from top to bottom, and the motor 8 is started to rotate the reciprocating screw 9, causing the slide plate 10 to reciprocate, thereby causing the slide plate 10 to drive the slide rod 12 and the piston 14 to reciprocate. During the reciprocating movement of the piston 14, the glue in the glue tank 11 is extracted through the extraction pipe 16 and alternately enters the cylinder 13 through the two feeding pipes 15, and then alternately discharged through the two discharging pipes 17 and enters the through pipe 3 through the feeding pipe 18, and finally sprayed on both sides of the abrasive cloth at the same time through the nozzle 4;

[0036] At the same time, the electric heating network 6 is started to generate heat to dry the glue-coated emery cloth. At the same time, when the reciprocating screw 9 rotates, it drives the driving gear 19 to rotate, so that the driven gear 20 meshing with the driving gear 19 drives the transmission rod 21 to rotate, thereby driving the rotating rod 23 and the fan 25 to rotate through the action of the belt transmission device 22, so that air is supplied to the gluing box 1 through the air duct 5, and hot air is blown to the emery cloth under the heating action of the electric heating network 6, so as to achieve rapid drying of the emery cloth and improve the efficiency of gluing the emery cloth base glue. The contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for applying glue to an abrasive cloth, comprising a glue coating box (1), wherein the top and bottom of the glue coating box (1) are both provided with through slots (2) for the abrasive cloth to pass through, and wherein: A through pipe (3) is provided inside the glue coating box (1), and two through pipes (3) are symmetrically provided about the longitudinal axis center line of the through slot (2). The through pipe (3) is fixedly passed through the front side wall of the glue coating box (1), and nozzles (4) are evenly installed on the inner side surface of the through pipe (3); The left and right side walls of the glue coating box (1) are both fixedly provided with air ducts (5) running through them, and the inner wall surface of the air duct (5) is fixedly provided with an electric heating net (6).

2. The emery cloth primer coating device according to claim 1, characterized in that: A mounting plate (7) is fixedly mounted on the right side of the front side of the glue coating box (1), and a motor (8) is fixedly mounted on the left side of the mounting plate (7), the shaft end of the motor (8) is fixedly connected to the right end of the reciprocating screw (9), and a slide plate (10) is sleeved on the outer side of the reciprocating screw (9), the bottom surface of the slide plate (10) is laterally slidably connected to the top surface of the glue liquid box (11), and the glue liquid box (11) is fixedly mounted on the front side of the glue coating box (1).

3. The emery cloth primer coating device according to claim 2, characterized in that: A slide bar (12) is fixedly mounted on the right side of the slide plate (10), and the slide bar (12) slides through the right side wall of the cylinder (13). The cylinder (13) is fixedly mounted on the top surface of the glue box (11), and the left end of the reciprocating screw (9) is connected to the right side bearing of the cylinder (13). A piston (14) is fixedly mounted on the left end of the slide bar (12), and the diameter of the piston (14) matches the inner diameter of the cylinder (13). Feed pipes are fixedly provided at both the left and right ends of the bottom of the cylinder (13). (15), and the feed pipe (15) is fixedly passed through the top of the glue liquid box (11), a one-way feed valve is provided on the feed pipe (15), and the bottom end of the feed pipe (15) is fixedly connected and installed with a pumping pipe (16), the left and right ends of the top of the cylinder (13) are fixedly passed through with a discharge pipe (17), and a one-way discharge valve is provided on the discharge pipe (17), the top of the discharge pipe (17) is fixedly installed with a delivery pipe (18), and the delivery pipe (18) is fixedly connected with the front end of the through pipe (3).

4. The emery cloth primer coating device according to claim 3, characterized in that: The extraction tube (16) is in an inverted L-shape, and the bottom end of the extraction tube (16) is located 5 mm above the inner bottom surface of the glue box (11).

5. The device for applying primer to abrasive cloth according to claim 2, characterized in that: A driving gear (19) is fixedly mounted on the reciprocating screw rod (9), and the driving gear (19) is meshedly connected to a driven gear (20). The driven gear (20) is fixedly mounted on a transmission rod (21), and a bearing of the transmission rod (21) is arranged to pass through the mounting plate (7).

6. The device for applying primer to abrasive cloth according to claim 5, characterized in that: The left and right ends of the transmission rod (21) are connected to the outer end of the rotating rod (23) through a belt transmission device (22), and the transverse bearing of the rotating rod (23) is set through the center of the strip plate (24), and the strip plate (24) is fixedly installed on the inner wall surface of the wind tube (5). The inner end of the rotating rod (23) is coaxially fixedly installed with a fan (25), and the fan (25) is located outside the electric heating network (6).

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