Colloid uniform extrusion device for steel plate film coating

Abstract

The utility model provides a uniform colloid extrusion device for steel plate film coating, which comprises a heating structure with a through cavity, and the top end of the through cavity is used for being communicated with a colloid outlet device; a plurality of heating parts are arranged in the through cavity and are uniformly arranged in the through cavity; and the extrusion structure is located below the heating structure, fixedly connected with the heating structure and provided with a plurality of extrusion channels communicating with the through cavity. According to the uniform colloid extrusion device for the steel plate film coating, provided by the utility model, the heating structure is arranged, so that the colloid can be heated through the plurality of heating parts uniformly arranged in the through cavity; and the extrusion structure is arranged below the heating structure, can be fixedly connected to the heating structure, and communicates with the through cavity through the extrusion channel, so that the colloid can be uniformly extruded, the adaptability is good, and the practicability is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of auxiliary film coating of steel plates, and in particular relates to a colloid uniform extrusion device used for film coating of steel plates. Background Art

[0002] Steel plate coating is a composite material with one or more layers of polymer film coated on the surface of metal plate. This material combines the dual characteristics of plastic film and metal plate. The production of coated steel plate usually starts with hot-dip galvanized or forged aluminum-zinc thick steel plate as the base material. Through a special process, one or more layers of polymer film are coated on its surface, which can effectively prevent rust caused by the metal part contacting with air and moisture.

[0003] In the prior art, when coating a steel plate, a colloid is usually added between the steel plate and the polymer film for bonding to prevent the polymer film from falling off. The colloid is usually first heated to a molten state by a glue dispensing device, and then applied between the steel plate and the polymer film by a glue dispensing plate. However, the colloid will gradually cool down during the flow process, which will cause part of the colloid in the colloid melt to cool down, resulting in an uneven colloid melt, resulting in poor bonding effect between the steel plate and the polymer film, poor adaptability, and poor practicality. Utility Model Content

[0004] The embodiment of the utility model provides a colloid uniform extrusion device for steel plate coating, aiming to solve the problem of poor bonding effect in the existing bonding process between steel plate and polymer film.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a colloid uniform extrusion device for steel plate coating, comprising:

[0006] The heating structure has a through cavity, the top of which is used to communicate with the glue discharging device; a plurality of heating parts are arranged in the through cavity, and the plurality of heating parts are evenly arranged in the through cavity;

[0007] The extrusion structure is located below the heating structure and fixedly connected to the heating structure, and has a plurality of extrusion channels communicating with the through cavity.

[0008] In a possible implementation, the heating structure includes:

[0009] A rectangular square tube, wherein the through cavity is located in the rectangular square tube; the rectangular square tube has a length direction, a width direction and a height direction arranged along the vertical direction;

[0010] There are two jackets, which are arranged on two outer side walls of the rectangular tube at intervals along the width direction;

[0011] There are multiple heating elements, which are spaced apart in the vertical direction. Each of the heating elements includes multiple heating tubes spaced apart in the length direction, and both ends of each heating tube are respectively connected to the two jackets.

[0012] In a possible implementation, one of the jackets is provided with a heat medium inlet, and the other jacket is provided with a heat medium outlet.

[0013] In a possible implementation, the colloid uniform extrusion device for steel plate coating also includes a guide structure, which is arranged in the through cavity. The guide structure includes a plurality of guide plates, and the plurality of guide plates are arranged at intervals along the length direction. Each of the guide plates is arranged in a serpentine shape along the height direction. A guide channel is formed between any two adjacent guide plates, and at least one heating tube is provided in each of the guide channels.

[0014] In a possible implementation, the extrusion structure includes:

[0015] An extrusion head, fixedly mounted at the bottom of the heating structure, integrally connected with the heating structure, and having an extrusion cavity;

[0016] A plurality of partitions are provided, and the plurality of partitions are arranged in the extrusion cavity at intervals along the length direction, and are used to divide the extrusion cavity into a plurality of extrusion ports arranged at intervals, and the extrusion ports are the extrusion channels.

[0017] In a possible implementation, the colloid uniform extrusion device for steel plate coating further includes an adjustment structure, which is disposed at the bottom end of the extrusion head and is used to block each of the extrusion channels.

[0018] In a possible implementation, the adjustment structure includes:

[0019] Two fixing plates are provided, and the two fixing plates are arranged at intervals at both ends of the extrusion head along the length direction and are both located at the bottom end of the extrusion head;

[0020] There are two sliding plates, and the two sliding plates are arranged in one-to-one correspondence with the two fixed plates. Each sliding plate is slidably arranged on the corresponding fixed plate along the length direction to block each extrusion channel.

[0021] In a possible implementation, the cross section of the extrusion channel is a trapezoidal structure with a larger upper end and a smaller lower end.

[0022] In this implementation, compared with the prior art, a heating structure is provided, and the colloid can be heated by multiple heating parts evenly arranged in the through cavity; an extrusion structure is provided below the heating structure, which can be fixedly connected to the heating structure and connected to the through cavity through an extrusion channel, so that the colloid can be evenly extruded, with good adaptability and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the internal structure of a colloid uniform extrusion device for steel plate coating provided by an embodiment of the utility model from a top view;

[0024] Figure 2 A schematic diagram of the internal structure of a colloid uniform extrusion device for steel plate coating provided by an embodiment of the utility model;

[0025] Figure 3 A schematic diagram of the internal structure of a colloid uniform extrusion device for steel plate coating provided by an embodiment of the utility model from a side view;

[0026] Description of reference numerals:

[0027] 10. Heating structure; 11. Through cavity; 12. Rectangular square tube; 13. Jacket; 14. Heating element; 141. Heating tube; 20. Extrusion structure; 21. Extrusion cavity; 22. Extrusion head; 23. Partition; 30. Guide structure; 31. Guide plate; 40. Adjustment structure; 41. Fixed plate; 42. Sliding plate. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0029] Please also read Figures 1 to 3 , the colloid uniform extrusion device for steel plate coating provided by the utility model is now described. The colloid uniform extrusion device for steel plate coating comprises a heating structure 10 and an extrusion structure 20. The heating structure 10 has a through cavity 11, and the top of the through cavity 11 is used to communicate with the glue discharge device. A plurality of heating parts are arranged in the through cavity 11, and the plurality of heating parts are uniformly arranged in the through cavity 11. The extrusion structure 20 is located below the heating structure 10 and is fixedly connected to the heating structure 10, and has a plurality of extrusion channels communicating with the through cavity 11.

[0030] Compared with the prior art, the colloid uniform extrusion device for steel plate coating provided in this embodiment is provided with a heating structure 10, and the colloid can be heated by multiple heating parts uniformly arranged in the through cavity 11. An extrusion structure 20 is arranged below the heating structure 10, which can be fixedly connected to the heating structure 10 and communicated with the through cavity 11 through an extrusion channel, so that the colloid can be uniformly extruded, with good adaptability and good practicality.

[0031] In some embodiments, the heating structure 10 may be used as follows: Figures 1 to 3 See the structure shown. Figures 1 to 3 The heating structure 10 includes: a rectangular square tube 12, a jacket 13 and a heating element 14. The through cavity 11 of the rectangular square tube 12 is located in the rectangular square tube 12. The rectangular square tube 12 has a length direction, a width direction and a height direction arranged along the vertical direction. Two jackets 13 are provided, and the two jackets 13 are arranged on the two outer side walls of the rectangular square tube 12 at intervals along the width direction. There are multiple heating elements 14, and the multiple heating elements 14 are arranged at intervals along the vertical direction. Each heating element 14 includes a plurality of heating tubes arranged at intervals along the length direction, and both ends of each heating tube are respectively connected to the two jackets 13.

[0032] The rectangular tube 12 can be understood as having a rectangular cavity, and the rectangular cavity has a length direction, a width direction, and a height direction arranged along the vertical direction. The jacket 13 can be arranged at intervals on the two outer side walls of the rectangular tube 12 along the width direction, and the two corresponding outer side walls of the rectangular tube 12 can be heated. A plurality of heating elements 14 are arranged at intervals along the vertical direction, and a plurality of heating tubes of each adjacent heating element 14 are arranged in a staggered manner, and both ends of each heating tube are respectively connected to the two jackets 13, and heat medium is connected in the two jackets 13 and each heating tube.

[0033] In some embodiments, the jacket 13 may be Figures 1 to 3 See the structure shown. Figures 1 to 3 One of the jackets 13 is provided with a heat medium inlet, and the other jacket 13 is provided with a heat medium outlet.

[0034] In some embodiments, the colloid uniform extrusion device for steel plate coating can be used as follows: Figures 1 to 3 See the structure shown. Figures 1 to 3 The colloid uniform extrusion device for steel plate coating also includes a guide structure 30, which is arranged in the through cavity 11. The guide structure 30 includes a plurality of guide plates 31, and the plurality of guide plates 31 are arranged at intervals along the length direction. Each guide plate 31 is arranged in a serpentine shape along the height direction. A guide channel is formed between any two adjacent guide plates 31, and at least one heating tube is provided in each guide channel.

[0035] A plurality of guide plates 31 are arranged in the through cavity 11, and each guide plate 31 is serpentinely arranged around each heating tube along the height direction. A guide channel is formed between any two adjacent guide plates 31. The heating tube in the guide channel is a heating tube separated by two heating elements 14 each separated by a heating element 14. At least one heating tube is provided in each guide channel 141.

[0036] Multiple guide plates 31 can increase the contact area between the colloid and the guide plates 31 , and can reduce the flow rate of the colloid, thereby achieving uniform extrusion. At the same time, the guide plates 31 are made of metal and can conduct the heat of the heating structure 10 , thereby improving the heating efficiency of the heating structure 10 .

[0037] In some embodiments, the extruded structure 20 may be formed as follows: Figures 1 to 3 See the structure shown. Figures 1 to 3 The extrusion structure 20 includes: an extrusion head 22 and a partition 23. The extrusion head 22 is fixedly arranged at the bottom of the heating structure 10, connected to the heating structure 10 as a whole, and has an extrusion cavity 21. A plurality of partitions 23 are provided, and the plurality of partitions 23 are arranged in the extrusion cavity 21 at intervals along the length direction, and are used to divide the extrusion cavity 21 into a plurality of extrusion ports arranged at intervals, and the extrusion ports are extrusion channels.

[0038] The extrusion head 22 is integrally connected to the heating structure 10, and the integral connection can be understood as integral casting or integral welding. The partition 23 can divide the extrusion cavity 21 into a plurality of extrusion ports arranged at intervals, and a plurality of partitions 23 can increase the contact area between the colloid and the partition 23, and can reduce the flow rate of the colloid, thereby achieving uniform extrusion.

[0039] In some embodiments, the colloid uniform extrusion device for steel plate coating can be used as follows: Figures 1 to 3 See the structure shown. Figures 1 to 3 The colloid uniform extrusion device for steel plate coating also includes an adjustment structure 40, which is arranged at the bottom end of the extrusion head 22 and is used to block each extrusion channel.

[0040] The regulating structure 40 can block each extrusion channel and control the extrusion length of the colloid to adapt to different steel plate widths.

[0041] In some embodiments, the adjustment structure 40 may be implemented as follows: Figures 1 to 3 See the structure shown. Figures 1 to 3The adjustment structure 40 includes: a fixed plate 41 and a sliding plate 42. There are two fixed plates 41, which are arranged at both ends of the extrusion head 22 at intervals along the length direction and are both located at the bottom of the extrusion head 22. There are two sliding plates 42, which are arranged one-to-one with the two fixed plates 41, and each sliding plate 42 is slidably arranged on the corresponding fixed plate 41 along the length direction to block each extrusion channel.

[0042] The two fixed plates 41 can be fixed on both sides of the bottom end of the extrusion head 22, so that the two sliding plates 42 can slide along the length direction to block each extrusion channel.

[0043] In some embodiments, the extrusion channel may be formed as follows: Figures 1 to 3 See the structure shown. Figures 1 to 3 The cross section of the extrusion channel is a trapezoidal structure with a large upper end and a small lower end.

[0044] The trapezoidal structure can facilitate the extrusion size of the colloid, and has good adaptability and practicality.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A colloid uniform extrusion device for steel plate coating, characterized in that: include: The heating structure has a through cavity, the top of which is used to communicate with the glue discharging device; a plurality of heating parts are arranged in the through cavity, and the plurality of heating parts are evenly arranged in the through cavity; The extrusion structure is located below the heating structure and fixedly connected to the heating structure, and has a plurality of extrusion channels communicating with the through cavity.

2. The colloid uniform extrusion device for steel plate coating according to claim 1, characterized in that: The heating structure comprises: A rectangular square tube, wherein the through cavity is located in the rectangular square tube; the rectangular square tube has a length direction, a width direction and a height direction arranged along the vertical direction; There are two jackets, which are arranged on two outer side walls of the rectangular tube at intervals along the width direction; There are multiple heating elements, which are spaced apart in the vertical direction. Each of the heating elements includes multiple heating tubes spaced apart in the length direction, and both ends of each heating tube are respectively connected to the two jackets.

3. The colloid uniform extrusion device for steel plate coating according to claim 2, characterized in that: One of the jackets is provided with a heat medium inlet, and the other jacket is provided with a heat medium outlet.

4. The colloid uniform extrusion device for steel plate coating according to claim 3, characterized in that: The colloid uniform extrusion device for steel plate coating also includes a guide structure, which is arranged in the through cavity. The guide structure includes a plurality of guide plates, and the plurality of guide plates are arranged at intervals along the length direction. Each of the guide plates is arranged in a serpentine shape along the height direction. A guide channel is formed between any two adjacent guide plates, and at least one heating tube is provided in each of the guide channels.

5. The colloid uniform extrusion device for steel plate coating according to claim 2, characterized in that: The extrusion structure comprises: An extrusion head, fixedly mounted at the bottom of the heating structure, integrally connected with the heating structure, and having an extrusion cavity; A plurality of partitions are provided, and the plurality of partitions are arranged in the extrusion cavity at intervals along the length direction, and are used to divide the extrusion cavity into a plurality of extrusion ports arranged at intervals, and the extrusion ports are the extrusion channels.

6. The colloid uniform extrusion device for steel plate coating according to claim 5, characterized in that: The colloid uniform extrusion device for steel plate coating also includes an adjustment structure, which is arranged at the bottom end of the extrusion head and is used to block each of the extrusion channels.

7. The colloid uniform extrusion device for steel plate coating according to claim 6, characterized in that: The regulatory structure comprises: Two fixing plates are provided, and the two fixing plates are arranged at intervals at both ends of the extrusion head along the length direction and are both located at the bottom end of the extrusion head; There are two sliding plates, and the two sliding plates are arranged in one-to-one correspondence with the two fixed plates. Each sliding plate is slidably arranged on the corresponding fixed plate along the length direction to block each extrusion channel.

8. The colloid uniform extrusion device for steel plate coating according to claim 5, characterized in that: The cross section of the extrusion channel is a trapezoidal structure with a larger upper end and a smaller lower end.

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