In-mold spraying device for hot-mo(u)ld pipe mold

Abstract

The utility model discloses a kind of hot die casting pipe mould inner spraying devices, comprising: connecting plate, and the upper seamless pipe and lower seamless pipe of being set at the outside of connecting plate, further comprising: the outside of the upper seamless pipe is connected with first connecting pipe, and the bottom of first connecting pipe is connected with second connecting pipe, and the inner end of second connecting pipe is connected with mounting nozzle, the bottom of the mounting nozzle is provided with the protective assembly with mounting structure, the inside of the connecting plate is provided with mounting rod at equal angle;The outer surface of the second connecting pipe is connected with second installation valve, and the upper seamless pipe and lower seamless pipe are connected by mounting plate between. The hot die casting pipe mould inner spraying device, by installing nozzle can reach the effect of uniform spraying by being set at equal interval staggered, while in the protective assembly setting with mounting structure can install nozzle protection, prevent installing nozzle from being damaged.

Description

Technical Field

[0001] This utility model relates to the field of in-mold spraying technology for hot-mold cast pipes, specifically to an in-mold spraying device for hot-mold cast pipes. Background Technology

[0002] An internal mold coating device is a piece of equipment used to spray coating on the inner wall of a mold. It is mainly used during the casting process to protect the inner wall of the mold and improve the quality of the castings, thus extending the service life of the mold's inner wall. For example:

[0003] CN217963168U discloses a hot-molding method for spraying the inner wall of a large-diameter centrifugal ductile iron pipe mold. The device includes a front-to-back sliding and rotating assembly connected at both ends to the front end of a spraying cart cantilever, allowing for front-to-back sliding and rotation; a vertical sliding and rotating assembly connected to the front-to-back assembly, allowing for vertical sliding and rotation; a nozzle placement assembly containing a fixed nozzle; and a connecting assembly connecting the vertical sliding and rotating assembly and the nozzle placement assembly at both ends. This invention features a simple structure and convenient operation. Adjustments to the distance between nozzles, the distance from the nozzle to the pipe mold, and the nozzle angle can meet the coating requirements of different specifications of pipe molds produced using the hot-molding method. It solves the constraints in the production of ductile iron pipes using the hot-molding method, improves coating quality, reduces adjustment time, and increases production efficiency.

[0004] The existing technical solutions have the following drawbacks, such as the fact that the existing in-mold spraying devices are not easy to achieve uniform spraying, which affects the quality of hot mold cast pipes and reduces the life of the pipe mold. Therefore, this utility model provides an in-mold spraying device for hot mold cast pipes to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of this utility model is to provide an in-mold spraying device for hot mold casting pipes, so as to solve the problem mentioned in the background art that the existing in-mold spraying devices are not easy to achieve uniform spraying during spraying, which affects the quality of hot mold casting pipes and reduces the life of the pipe mold.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an in-mold spraying device for hot-molded pipes, comprising: a connecting plate, and an upper seamless pipe and a lower seamless pipe disposed outside the connecting plate, and further comprising:

[0007] The outer side of the upper seamless tube is connected to a first connecting tube, and the bottom of the first connecting tube is connected to a second connecting tube. The inner end of the second connecting tube is connected to an installation nozzle. The bottom end of the installation nozzle is provided with a protective component with an installation structure. The interior of the connecting plate is provided with installation rods at equal angles.

[0008] The outer surface of the second connecting pipe is connected to a second installation valve. The upper seamless pipe and the lower seamless pipe are connected by an installation plate. The outer end of the lower seamless pipe is connected to a connecting hose.

[0009] As a preferred embodiment of this utility model, the mounting rod and the connecting plate are connected by threads.

[0010] As a preferred technical solution of this utility model, the upper seamless tube and the lower seamless tube are arranged correspondingly, and the first connecting tube is arranged in 8 sets at equal intervals on the outer surface of the upper seamless tube.

[0011] As a preferred embodiment of this utility model, the bottom ends of both the second connecting tube and the connecting rubber tube are connected to the installation nozzle to spray the inner wall of the tube mold.

[0012] As a preferred embodiment of this utility model, a first installation valve is provided on the outer surface of the first connecting pipe, and the longitudinal section of the first connecting pipe is an "L" shaped structure.

[0013] As a preferred embodiment of this utility model, the protective component includes a protective cover disposed on the outer surface of the mounting nozzle, and an mounting spring is connected to the inner end of the protective cover, and a positioning block is connected to the inner end of the mounting spring.

[0014] As a preferred embodiment of this utility model, a limiting groove is provided on the outer side of the lower end of the mounting nozzle.

[0015] As a preferred embodiment of this utility model, the positioning block is connected to the protective cover in a sliding manner by means of a mounting spring.

[0016] As a preferred technical solution of this utility model, the longitudinal section of the positioning block is a semi-circular structure, and the positioning block is engaged with the installation nozzle through a limiting groove.

[0017] Compared with the prior art, the beneficial effects of this utility model are: the hot mold casting pipe in-mold spraying device can achieve a uniform spraying effect by arranging the installation nozzles at equal intervals and in a staggered manner, and the installation nozzles can be protected by the protective components with the installation structure to prevent damage to the installation nozzles.

[0018] 1. The upper seamless tube and the lower seamless tube are arranged in a corresponding manner, and the first connecting tube is arranged in 8 sets at equal intervals on the outer surface of the upper seamless tube. The inner end of the second connecting tube is connected to the installation nozzle. The installation nozzle is evenly arranged in an alternating manner. By the even distribution of the installation nozzle in an alternating manner, the inner wall of the tube mold can be evenly sprayed, thereby ensuring the distance between the installation nozzle and the inner wall of the tube mold and ensuring uniform spraying.

[0019] 2. The positioning block is connected to the protective cover by sliding through the mounting spring. The protective cover protects the bottom of the mounting nozzle. A limit groove is opened on the outer side of the lower end of the mounting nozzle. By extending and retracting the mounting spring, the positioning block is engaged with the outer end of the mounting nozzle, thereby stabilizing the installation of the protective cover.

[0020] 3. The longitudinal section of the positioning block is semi-circular. When the protective cover is pulled down, the installation spring is compressed, and the positioning block slides inside the protective cover. The positioning block is engaged with the installation nozzle through the limiting groove. When the positioning block is disengaged from the limiting groove, the protective cover can be disassembled. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the connection between the upper seamless tube and the lower seamless tube of this utility model;

[0023] Figure 3 This is a schematic diagram of the overall exploded structure of the nozzle and protective cover connection of this utility model;

[0024] Figure 4 This utility model Figure 3 Enlarged connection structure diagram at point A;

[0025] Figure 5 This is a schematic cross-sectional view of the connection between the connecting hose and the seamless lower tube of this utility model.

[0026] In the diagram: 1. Connecting plate; 2. Mounting rod; 3. Upper seamless tube; 4. Lower seamless tube; 5. Mounting plate; 6. First connecting tube; 7. Connecting hose; 8. First mounting valve; 9. Connecting tube; 10. Second connecting tube; 11. Mounting nozzle; 12. Protective cover; 13. Limiting groove; 14. Mounting spring; 15. Positioning block; 16. Second mounting valve. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-5This utility model provides a technical solution: an in-mold spraying device for hot-molded pipes, comprising a connecting plate 1, a mounting rod 2, an upper seamless pipe 3, a lower seamless pipe 4, a mounting plate 5, a first connecting pipe 6, a connecting hose 7, a first mounting valve 8, a connecting pipe 9, a second connecting pipe 10, a mounting nozzle 11, a protective cover 12, a limiting groove 13, a mounting spring 14, a positioning block 15, and a second mounting valve 16.

[0029] Working principle: When using this hot-molding pipe casting in-mold spraying device, firstly as follows... Figure 1 , Figure 2 and Figure 5 In the process, an upper seamless pipe 3 and a lower seamless pipe 4 are provided on the outer side of the connecting plate 1. Compressed air is connected to the upper seamless pipe 3, and paint is connected to the lower seamless pipe 4. The upper seamless pipe 3 and the lower seamless pipe 4 are connected by a mounting plate 5. A first connecting pipe 6 is connected to the outer side of the upper seamless pipe 3, and a second connecting pipe 10 is connected to the bottom of the first connecting pipe 6. A connecting hose 7 is connected to the outer end of the lower seamless pipe 4. The bottom ends of the second connecting pipe 10 and the connecting hose 7 are both connected to the mounting nozzle 11. The paint is sprayed through the connecting pipe 9 on the mounting nozzle 11, thus spraying the inner wall of the pipe mold. The upper seamless tube 3 and the lower seamless tube 4 are arranged vertically and vertically, and the first connecting tube 6 is arranged in 8 sets at equal intervals on the outer surface of the upper seamless tube 3. The inner end of the second connecting tube 10 is connected to the installation nozzle 11. The installation nozzle 11 is evenly arranged in an alternating manner. By the even distribution of the installation nozzle 11 in an alternating manner, the inner wall of the tube mold can be evenly sprayed, thereby ensuring the distance between the installation nozzle 11 and the inner wall of the tube mold and ensuring uniform spraying. The connecting plate 1 is provided with the installation rod 2 at equal angles inside. The installation rod 2 is connected to the connecting plate 1 by a thread. At the same time, the installation rod 2 is connected to the appropriate position, which is convenient for operation.

[0030] Specific examples Figure 3 and Figure 4In this design, a protective assembly with an installation structure is provided at the bottom of the nozzle 11. A second installation valve 16 is connected to the outer surface of the second connecting pipe 10. The second connecting pipe 10 is opened by opening and closing the second installation valve 16. A first installation valve 8 is provided on the outer surface of the first connecting pipe 6, and the longitudinal section of the first connecting pipe 6 is an "L" shaped structure. The first connecting pipe 6 is opened by opening the first installation valve 8. The protective assembly includes a protective cover 12 provided on the outer surface of the nozzle 11, and an installation spring 14 is connected to the inner end of the protective cover 12. A positioning block 15 is connected to the inner end of the installation spring 14. The bottom of the nozzle 11 is protected by the protective cover 12. A limiting groove 13 is provided on the lower outer side of the nozzle 11. The positioning block 15 is connected to the protective cover 12 in a sliding manner through the installation spring 14. By the extension and retraction of the installation spring 14, the positioning block 15 is engaged with the outer end of the nozzle 11, thereby stably installing the protective cover 12. When the protective cover 12 is pulled down, the installation spring 14 is compressed, and the positioning block 15 slides inside the protective cover 12. The longitudinal section of the positioning block 15 is a semi-circular structure, and the positioning block 15 is engaged with the nozzle 11 through the limiting groove 13. When the positioning block 15 is disengaged from the limiting groove 13, the protective cover 12 can be disassembled. This is the usage method of the hot mold casting pipe in-mold spraying device.

[0031] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for in-mold spraying of hot-molded pipes, comprising: The connecting plate (1), and the upper seamless tube (3) and lower seamless tube (4) disposed on the outside of the connecting plate (1), are characterized in that they further include: The outer side of the upper seamless tube (3) is connected to a first connecting tube (6), and the bottom of the first connecting tube (6) is connected to a second connecting tube (10). The inner end of the second connecting tube (10) is connected to an installation nozzle (11). The bottom end of the installation nozzle (11) is provided with a protective component with an installation structure. The interior of the connecting plate (1) is provided with an installation rod (2) at equal angles. The outer surface of the second connecting pipe (10) is connected to a second installation valve (16), the upper seamless pipe (3) and the lower seamless pipe (4) are connected by an installation plate (5), and the outer end of the lower seamless pipe (4) is connected to a connecting hose (7).

2. The in-mold spraying device for hot-molded pipe according to claim 1, characterized in that: The mounting rod (2) is connected to the connecting plate (1) by means of threads.

3. The in-mold spraying device for hot-molded pipe according to claim 1, characterized in that: The upper seamless tube (3) and the lower seamless tube (4) are arranged correspondingly on the upper and lower sides, and the first connecting tube (6) is arranged in 8 sets at equal intervals on the outer surface of the upper seamless tube (3).

4. The in-mold spraying device for hot-molded pipe according to claim 1, characterized in that: The bottom ends of the second connecting pipe (10) and the connecting hose (7) are connected to the installation nozzle (11) to spray the inner wall of the tube mold.

5. The in-mold spraying device for hot-molded pipe according to claim 1, characterized in that: The outer surface of the first connecting pipe (6) is provided with a first installation valve (8), and the longitudinal section of the first connecting pipe (6) is an "L" shaped structure.

6. The in-mold spraying device for hot-molded pipe according to claim 1, characterized in that: The protective assembly includes a protective cover (12) disposed on the outer surface of the mounting nozzle (11), and the inner end of the protective cover (12) is connected to a mounting spring (14), and the inner end of the mounting spring (14) is connected to a positioning block (15).

7. The in-mold spraying device for hot-molded pipe according to claim 1, characterized in that: A limiting groove (13) is provided on the outer side of the lower end of the mounting nozzle (11).

8. The in-mold spraying device for hot-molded pipe according to claim 6, characterized in that: The positioning block (15) is connected to the protective cover (12) by means of a spring (14) in a sliding manner.

9. The in-mold spraying device for hot-molded pipe according to claim 6, characterized in that: The longitudinal section of the positioning block (15) is a semi-circular structure, and the positioning block (15) is engaged with the mounting nozzle (11) through the limiting groove (13).

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