Arc reverse extraction scraper set

Abstract

The utility model provides an arc reverse extraction scraper set designed for the disposable slipper industry, which comprises a heating runner, a glue inlet joint is arranged on one side of the heating runner, through an integrated design mode, the size is small, a reverse extraction spray gun and a scraper gluing module can be directly installed on the heating runner, under the condition of high-temperature use, heat transfer is more direct, and the service life of the scraper set is prolonged. Compared with the prior art, heating is faster, the temperature is more uniform and stable, the temperature of the spray gun does not need to be increased deliberately to make up for the problems of insufficient temperature transfer and serious heat loss, it is guaranteed that fluid works within a reasonable use temperature range, and the structural characteristics of hot melt adhesive are prevented from being damaged. When the back-extraction spray gun is closed, the back-extraction spray gun has a back-suction effect, the back-suction effect solves the problem that residual glue and dripping glue exist on a scraper head when glue of the spray gun is broken, the profiling scraper head is made below a heating runner according to the shape of a product, the scraper head is in the shape needed by the product at a glue coating starting point and a glue coating ending point, and waste of glue liquid is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of glue spray guns, in particular to an arc reverse scraper group. Background Art

[0002] In the contour gluing process of the disposable slippers industry, a glue gun is needed to apply glue to the disposable slippers for the next process.

[0003] The common glue guns in the prior art cannot meet the task of gluing disposable slippers of different shapes, which will cause more glue to be smeared on the outside of the disposable slippers, resulting in waste of glue, and the waste cannot be separated and recycled. In addition, when the glue is cut off, there will be residual glue and glue dripping on the blade of the conventional glue gun, which will affect the next glue discharge after solidification and will also produce defective products, which need to be cleaned manually, which is extremely inconvenient. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an arc back-drawing scraper group to solve the problems raised in the above-mentioned background technology. The utility model has a novel structure. Two back-drawing spray guns are added at the upper end of the heating flow channel. When the back-drawing spray guns are closed, there is a back-suction effect. The back-suction effect solves the problem that when the spray gun is cut off from glue, there is residual glue and glue dripping on the blade head. A contoured scraper head is made according to the shape of the product under the heating flow channel, so that the starting point and the end point of the glue coating are both the shapes required by the product, thereby reducing the waste of glue. There is no residual glue between the waste materials, and it can be recycled for a second time.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: an arc back-pumping scraper group, including a heating flow channel, a glue inlet joint is arranged on one side of the heating flow channel, and a back-pumping spray gun assembly is arranged on the top of the heating flow channel, a scraper coating head module is arranged at the bottom of the heating flow channel, the back-pumping spray gun assembly includes a back-pumping spray gun body, an air pipe is installed on the top of the back-pumping spray gun body, the scraper coating head module includes an arc scraper head front plate and an arc scraper head rear plate, a glue flow groove is opened on the outer ring surface of the arc scraper head rear plate, and the back-pumping spray gun body transports the glue liquid to the components inside the glue flow groove.

[0006] Furthermore, a filter is installed on one side of the heating flow channel located at the glue inlet joint, and the filter is connected to the back-drawing spray gun body.

[0007] Furthermore, a piston cover is installed on the top of the back-draft spray gun body, and the bottom of the air pipe is connected to the piston cover.

[0008] Furthermore, a solenoid valve is connected to the top of the air pipe.

[0009] Furthermore, a fixed bracket is fixed on the top of the heating flow channel, and the back-drawing spray gun body is installed on the fixed bracket.

[0010] Furthermore, the scraper coating head module also includes a scraper head glue flow limiting pad, and a scraper head glue flow limiting pad is arranged between the circular arc scraper head front plate and the circular arc scraper head rear plate.

[0011] Furthermore, the scraper head glue flow limiting pad has the same shape as the arc scraper head front plate and the arc scraper head rear plate, and the scraper head glue flow limiting pad is fixedly connected to the arc scraper head front plate and the arc scraper head rear plate by bolts.

[0012] Furthermore, the back-drawing spray gun assembly and the scraper coating head module are both detachably mounted at the upper and lower ends of the heating flow channel.

[0013] Beneficial effects of the utility model: the arc reverse suction scraper group of the utility model comprises a heating flow channel; a glue inlet joint; a filter; a reverse suction spray gun assembly; a fixing bracket; a solenoid valve; a piston cover; a reverse suction spray gun body; an air pipe; a scraper coating head module; a scraper head glue flow limiting pad; an arc scraper head front plate; an arc scraper head rear plate; a glue flow groove;

[0014] 1. The utility model can be used in both high temperature and normal temperature environments, and is matched with a back-drawing and suction spray gun to solve the problems of unclean glue breaking and severe wire drawing.

[0015] 2. The utility model can reduce downtime for maintenance, reduce product defect rate, reduce product volume and weight, and is easier to install and maintain.

[0016] 3. The utility model adopts an integrated design, has a small size, and the back-drawing spray gun and the scraper gluing module can be directly installed on the heating flow channel. Under high-temperature use, the heat transfer is more direct, the heating is faster, and the temperature is more uniform and stable. There is no need to deliberately increase the temperature of the spray gun to make up for the problem of insufficient temperature transfer and serious heat loss. It ensures that the fluid works within a reasonable operating temperature range and avoids damaging the structural characteristics of the hot melt adhesive.

[0017] 4. Compared with the prior art, the utility model adds two back-drawing spray guns at the upper end of the heating flow channel. When the back-drawing spray guns are closed, there is a back-suction effect. The back-suction effect solves the problem that when the spray gun is cut off, there is residual glue and glue dripping on the blade head. A contoured scraper head is made according to the shape of the product under the heating flow channel, so that the starting point and the end point of the glue coating are both the shapes required by the product, reducing the waste of glue liquid. There is no residual glue liquid between the waste materials, and it can be recycled for a second time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the arc reverse scraper group of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the back-drawing spray gun group of the circular arc back-drawing scraper group of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the scraper coating head module of the circular arc reverse scraper group of the utility model.

[0021] In the figure: 1. Heating flow channel; 11. Glue inlet joint; 12. Filter; 2. Back-draw spray gun assembly; 21. Fixed bracket; 22. Solenoid valve; 23. Piston cover; 24. Back-draw spray gun body; 25. Air pipe; 3. Scraper coating head module; 31. Scraper head glue flow limiting pad; 32. Arc scraper head front plate; 33. Arc scraper head rear plate; 34. Glue flow groove. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] See also Figures 1 to 3 The utility model provides a technical solution: an arc reverse suction scraper group, including a heating flow channel 1, a glue inlet joint 11 is arranged on one side of the heating flow channel 1, and a reverse suction spray gun assembly 2 is arranged on the top of the heating flow channel 1, and a scraper coating head module 3 is arranged at the bottom of the heating flow channel 1, the reverse suction spray gun assembly 2 includes a reverse suction spray gun body 24, and an air pipe 25 is installed on the top of the reverse suction spray gun body 24, and the scraper coating head module 3 includes an arc scraper head front plate 32 and an arc scraper head rear plate 33, and a glue flow groove 34 is opened on the outer ring surface of the arc scraper head rear plate 33, and the reverse suction spray gun body 24 transports the glue liquid to the inside of the glue flow groove 34. This scraper spray gun needs to be used in combination with a fluid pressurizing device and a conveying pipe; it can be used for heating or at ambient temperature. When the fluid is pressurized After the equipment is pressurized, the glue liquid is transported to the heating flow channel 1 through the delivery pipe connected to the glue inlet joint 11, and enters the back-drawing spray gun assembly 2 after filtering impurities through the filter 12. The fluid enters the scraper coating head module 3 by opening and closing the back-drawing spray gun body 24, and is evenly distributed in the scraper head glue flow groove 34, and is coated on the product surface through the scraper head glue flow limiting pad 31. When no construction is carried out, the gun valve is normally closed. When construction is required, the solenoid valve 22 is opened, and compressed air acts on the spray gun piston. The spray gun piston is linked to the needle valve to lift, and the fluid passes through the scraper head module and the glue flow limiting pad to complete the glue spraying molding action. The design of this mechanism is compatible with high temperature (within 250 degrees) and normal temperature environments. It is matched with the back-drawing and suction spray gun to solve the problems of unclean glue breaking and severe wire drawing.

[0024] In this embodiment, the heating flow channel 1 is provided with a filter 12 on one side of the glue inlet joint 11, and the filter 12 is connected to the back-pumping spray gun body 24. A piston cover 23 is installed on the top of the back-pumping spray gun body 24, and the bottom of the air pipe 25 is connected to the piston cover 23. The top of the air pipe 25 is connected to the solenoid valve 22. The glue liquid is transported into the heating flow channel 1 through the glue inlet joint 11, and enters the back-pumping spray gun body 24 after filtering impurities through the filter 12, and then the back-pumping spray gun body 24 is controlled to be opened and closed by the solenoid valve 22.

[0025] In this embodiment, the scraper coating head module 3 also includes a scraper head glue flow limiting pad 31, and a scraper head glue flow limiting pad 31 is arranged between the circular arc scraper head front plate 32 and the circular arc scraper head rear plate 33. The scraper head glue flow limiting pad 31 has the same shape as the circular arc scraper head front plate 32 and the circular arc scraper head rear plate 33. The scraper head glue flow limiting pad 31 is fixedly connected to the circular arc scraper head front plate 32 and the circular arc scraper head rear plate 33 by bolts. By opening and closing the back-drawing spray gun body 24, the fluid enters the scraper coating head module 3, is evenly distributed in the scraper head glue flow groove 34, and is coated on the product surface through the scraper head glue flow limiting pad 31.

[0026] In this embodiment, a fixed bracket 21 is fixed to the top of the heating flow channel 1, and the back-pumping spray gun body 24 is installed on the fixed bracket 21. The back-pumping spray gun assembly 2 and the scraper coating head module 3 are both detachably installed at the upper and lower ends of the heating flow channel 1. The back-pumping spray gun body 24 is installed on the top of the heating flow channel 1 through the fixed bracket 21, and the scraper coating head module 3 is installed on the bottom of the heating flow channel 1 through bolts. It can be directly installed on the heating flow channel 1, which is convenient for subsequent disassembly.

[0027] After the fluid pressurizing equipment is pressurized, the glue liquid is transported to the heating flow channel 1 through the delivery pipe connected to the glue inlet joint 11, and enters the back-pump spray gun assembly 2 after filtering impurities through the filter 12. By opening and closing the back-pump spray gun body 24, the fluid enters the scraper coating head module 3, is evenly distributed in the scraper head glue flow groove 34, and is coated on the product surface through the scraper head glue flow limiting pad 31. When no construction is carried out, the gun valve is in a normally closed state. When construction is required, the solenoid valve 22 is opened, and the compressed air acts on the spray gun piston. The spray gun piston is linked to the needle valve to lift, and the fluid passes through the scraper head module and the glue flow limiting pad to complete the glue spraying molding action.

[0028] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A circular arc reverse scraper assembly, comprising a heating flow channel (1), characterized in that: A glue inlet joint (11) is provided on one side of the heating flow channel (1), and a back-pump spray gun assembly (2) is provided on the top of the heating flow channel (1), and a scraper coating head module (3) is provided on the bottom of the heating flow channel (1), the back-pump spray gun assembly (2) includes a back-pump spray gun body (24), and an air pipe (25) is installed on the top of the back-pump spray gun body (24), and the scraper coating head module (3) includes an arc scraper head front plate (32) and an arc scraper head rear plate (33), and a glue flow groove (34) is opened on the outer ring surface of the arc scraper head rear plate (33), and the back-pump spray gun body (24) transports the glue liquid to the inside of the glue flow groove (34).

2. The arc reverse scraper assembly according to claim 1, characterized in that: The heating flow channel (1) is provided with a filter (12) on one side of the glue inlet joint (11), and the filter (12) is connected to the back-drawing spray gun body (24).

3. The arc reverse scraper assembly according to claim 2, characterized in that: A piston cover (23) is installed on the top of the back-drawing spray gun body (24), and the bottom of the air pipe (25) is connected to the piston cover (23).

4. The arc reverse scraper assembly according to claim 3, characterized in that: The top of the air pipe (25) is connected to a solenoid valve (22).

5. The arc reverse scraper assembly according to claim 4, characterized in that: A fixed bracket (21) is fixed on the top of the heating flow channel (1), and a back-drawing spray gun body (24) is mounted on the fixed bracket (21).

6. The arc reverse scraper assembly according to claim 1, characterized in that: The scraper coating head module (3) further comprises a scraper head glue outlet flow limiting pad, and a scraper head glue outlet flow limiting pad (31) is arranged between the circular arc scraper head front plate (32) and the circular arc scraper head rear plate (33).

7. The arc reverse scraper assembly according to claim 6, characterized in that: The scraper head glue flow limiting pad (31) has the same shape as the circular arc scraper head front plate (32) and the circular arc scraper head rear plate (33), and the scraper head glue flow limiting pad (31) is fixedly connected to the circular arc scraper head front plate (32) and the circular arc scraper head rear plate (33) by bolts.

8. The arc reverse scraper assembly according to claim 1, characterized in that: The reverse suction spray gun assembly (2) and the scraper coating head module (3) are both detachably mounted on the upper and lower ends of the heating flow channel (1).

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