CN216182101U

CN216182101U - Discharging device based on casting machine for polyurethane production

Info

Publication number: CN216182101U
Application number: CN202122459353.6U
Authority: CN
Inventors: 冯永成; 董建峰
Original assignee: Zibo Hengjiu Pu Technology Co ltd
Current assignee: Zibo Hengjiu Pu Technology Co ltd
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-05
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a discharging device of a casting machine for polyurethane production, which comprises a discharging cavity body, wherein a left port of the discharging cavity body is connected with a cover plate through a plurality of bolts, the inner part of a discharging port at the bottom end of the discharging cavity body is in threaded connection with a discharging pipe, the inner part of the right side of the top end of the discharging cavity body is in threaded connection with a threaded fixing sleeve, and an air cylinder telescopic rod is fixedly connected inside the threaded fixing sleeve. According to the utility model, firstly, the convection nozzle divides a material flow into two branches, and the opposite impact is formed at the outlet at the right end of the convection nozzle, so that the effect of secondary raw material mixing is achieved, the material flow can be prevented from directly impacting the piston rod, the position of the sealing piece is controlled by using the telescopic rod of the air cylinder, the flow limiting effect can be realized, further, different pouring processes are realized by controlling the flow of the raw materials in the discharge pipe, when the discharge pipe is completely blocked by the sealing piece, the raw materials can be prevented from dripping, the working environment can be maintained, the waste can be avoided, and the method is worthy of great popularization.

Description

Discharging device based on casting machine for polyurethane production

Technical Field

The utility model relates to the technical field of polyurethane production, in particular to a discharging device based on a casting machine for polyurethane production.

Background

Polyurethane (PU) was first developed by German scientists in the 30 s of the 20 th century, the German scientists polycondensed liquid isocyanate and liquid polyether or diol polyester to form a novel material, the physical property parameters of the material are different from those of the current polyenes, the scientists named polyurethane, with the end of world war II, the American chemical manufacturing industry developed vigorously, and polyurethane flexible foam plastics were synthesized in the 50 s of the 20 th century, which is an important research of milestone significance in the chemical industry at that time and provides a solid technical foundation for the development of the polyurethane industry in the future.

Chinese patent document authorizes utility model and discloses CN213055672U, the utility model provides a discharging device's way based on casting machine for polyurethane manufacture, it includes lower casing, the casing lower extreme is fixed with conical unloading mouth down, vertical square hole has been seted up in the unloading mouth, set up the through-hole with the square hole intercommunication on the lower casing, the utility model discloses a, sealing performance is good, moreover, the steam generator is simple in structure, and convenient for operation can improve work efficiency, can open the unloading passageway automatically in the pouring operation process, prevent that discharging channel from blockking up, can prevent that the mixture from pouring into the mould outside, but this patent still has the weak point, its mediation prevents stifled ability not enough, and lack the ability of control raw materials flow, there is great limitation to the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a discharging device based on a casting machine for polyurethane production.

In order to achieve the purpose, the utility model adopts the following technical scheme: a discharging device based on a casting machine for polyurethane production comprises a discharging cavity body, wherein a left port of the discharging cavity body is connected with a cover plate through a plurality of bolts, the inner thread of the discharge hole at the bottom end of the discharge cavity body is connected with a discharge pipe, the inner thread at the right side of the top end of the discharge cavity body is connected with a thread fixing sleeve, the interior of the thread fixing sleeve is fixedly connected with an air cylinder telescopic rod, the bottom end of a piston rod of the air cylinder telescopic rod penetrates through the middle part of the scraping part and is fixedly connected with a sealing part, the middle part of the cover plate is fixedly connected with a connection pipe, the right end of the connection pipe penetrates through the cover plate and extends to the interior of the discharging cavity body, the left port of the connection pipe is fixedly connected with a branch pipe, the inside of the branch pipe is rotatably connected with a spiral stirring blade, the left end of the rotating shaft of the spiral stirring blade penetrates through the middle of the left end wall of the branch pipe and is fixedly connected to the drive end of the motor, and the left side of the top end of the branch pipe is fixedly connected with the electromagnetic valve.

As a further description of the above technical solution:

the left side fixedly connected with installing support at ejection of compact chamber body top middle part.

As a further description of the above technical solution:

the upper side of the outer diameter of the threaded fixing sleeve is hexagonal.

As a further description of the above technical solution:

and the top end of the scraping piece is fixedly connected to the bottom end of the cylinder telescopic rod shell.

As a further description of the above technical solution:

and the right port of the connecting pipe is fixedly connected with a convection nozzle.

As a further description of the above technical solution:

the right end of the motor shell is fixedly connected to the left end of the branch pipe.

As a further description of the above technical solution:

and a discharge port in the middle of the bottom end of the electromagnetic valve penetrates through the left side of the top end of the branch pipe.

The utility model has the following beneficial effects:

1. according to the utility model, the component proportion of each raw material can be controlled by using the electromagnetic valve, then the spiral stirring blades stir and mix each raw material flow, the position of the sealing piece is controlled by using the air cylinder telescopic rod, the effect of flow limitation can be realized, and further, different pouring processes can be realized by controlling the raw material flow in the discharging pipe.

2. According to the utility model, the structural characteristic of the convection nozzle enables a material flow to be divided into two branches, and the opposite impact is formed at the outlet of the right end of the convection nozzle, so that the effect of secondary raw material mixing is achieved, the material flow can be prevented from directly impacting the piston rod of the telescopic rod of the air cylinder, and meanwhile, the scraping piece can scrape the raw materials adhered to the piston rod when the piston rod contracts, so that the raw materials are prevented from entering the air cylinder cavity of the telescopic rod of the air cylinder, the service life of the air cylinder is prevented from being influenced, and the convection nozzle is worth being widely popularized.

Drawings

FIG. 1 is a schematic perspective view of a discharge device of a casting machine for polyurethane production according to the present invention;

FIG. 2 is a partial front sectional view of a discharging device of a casting machine for polyurethane production according to the present invention;

FIG. 3 is a schematic structural installation diagram of a convection nozzle of a discharging device of a casting machine for polyurethane production according to the present invention;

fig. 4 is a schematic structural installation diagram of a scraping part of a discharging device based on a casting machine for polyurethane production, which is provided by the utility model.

Illustration of the drawings:

1. a discharge cavity body; 2. a bolt; 3. a cover plate; 4. mounting a bracket; 5. a discharge pipe; 6. a threaded fixing sleeve; 7. a cylinder telescopic rod; 8. scraping the material; 9. a closure member; 10. connecting pipes; 11. a convection nozzle; 12. a branch pipe; 13. a motor; 14. a spiral stirring blade; 15. an electromagnetic valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: a discharging device based on a casting machine for polyurethane production comprises a discharging cavity body 1, wherein a left port of the discharging cavity body 1 is connected with a cover plate 3 through a plurality of bolts 2, the discharging cavity body 1 is used for transferring a polyurethane material flow, the quick-detachable cover plate 3 is favorable for overhauling and cleaning the inside of the discharging cavity body 1, the inner thread of a discharging port at the bottom end of the discharging cavity body 1 is connected with a discharging pipe 5, the discharging pipe 5 is used for guiding raw materials into a mold, the inner thread at the right side of the top end of the discharging cavity body 1 is connected with a thread fixing sleeve 6, the thread fixing sleeve 6 is convenient for the installation and overhauling between an air cylinder telescopic rod 7 and the discharging cavity body 1, the inner part of the thread fixing sleeve 6 is fixedly connected with an air cylinder telescopic rod 7, the air cylinder telescopic rod 7 is a power source for plugging the bottom port of the discharging pipe 5 so as to prevent the raw materials from dripping after the casting is finished, the working environment is maintained, the bottom end of a piston rod of the air cylinder telescopic rod 7 penetrates through the middle part of a material scraping part 8 and is fixedly connected with a sealing part 9, the sealing piece 9 can completely seal the bottom end opening of the discharging pipe 5, so as to realize the start and stop of the raw material pouring process, the sealing piece 9 is ellipsoidal, the resistance of the sealing piece to movement in a fluid can be reduced, in addition, the transverse maximum diameter of the sealing piece is slightly smaller than the inner diameter of the discharging pipe 5, so that the sealing piece can balance the fluid pressure when the discharging pipe 5 moves, the middle part of the cover plate 3 is fixedly connected with a connection pipe 10, the right end of the connection pipe 10 penetrates through the cover plate 3 and extends to the inside of the discharging cavity body 1, the connection pipe 10 is used for connecting a raw material mixing end and a raw material transfer end, in addition, the support force is also provided for the mixing end, so that the latter can be conveniently installed and fixed, the left end opening of the connection pipe 10 is fixedly connected with a branch pipe 12, the branch pipe 12 is a place for mixing raw materials, the inside of the branch pipe 12 is rotatably connected with a spiral stirring blade 14, the spiral stirring blade 14 is used for mixing action of each raw material, the left end of a rotating shaft of the spiral stirring blade 14 penetrates through the middle part of the left end wall of the branch pipe 12 and is fixedly connected with a driving end 13 of a motor, motor 13 is used for driving spiral stirring leaf 14, and branch pipe 12 top left side fixedly connected with solenoid valve 15, solenoid valve 15 are for leading to the pattern more, and different raw materials holding vessel can be connected to its each feed port, do benefit to the inflow of each raw materials of accurate control simultaneously.

The left side of the middle part of the top end of the discharging cavity body 1 is fixedly connected with a mounting bracket 4, the mounting bracket 4 is convenient for mounting the device, the upper side of the outer diameter of a thread fixing sleeve 6 is in a hexagonal shape, the hexagonal shape can be conveniently disassembled and mounted by using the existing wrench, the top end of a material scraping piece 8 is fixedly connected with the bottom end of the shell of an air cylinder telescopic rod 7, the material scraping piece 8 can scrape the raw material adhered on a piston rod, the raw material is prevented from entering the air cylinder cavity of the air cylinder telescopic rod 7 and affecting the service life of the air cylinder telescopic rod, a convection nozzle 11 is fixedly connected with the right port of a junction pipe 10, the mixed raw material flow is guided by the junction pipe 10 to flow into the convection nozzle 11 and form two shunt flows under the effect of the structural characteristic of the convection nozzle 11, and then the two shunt flows are oppositely flushed at the right port of the convection nozzle 11, and the raw material flow can be prevented from directly impacting the piston rod of the air cylinder telescopic rod 7 besides the effect of secondary mixed raw material at the moment, the long-term use of the device is influenced, the right end of the shell of the motor 13 is fixedly connected to the left end of the branch pipe 12 and used for limiting the motor 13, the discharge port in the middle of the bottom end of the electromagnetic valve 15 penetrates through the left side of the top end of the branch pipe 12, and the pipelines used for the material flow are communicated.

The working principle is as follows: each pressurized raw material enters the branch pipe 12 through the electromagnetic valve 15, the motor 13 runs, and then each raw material flow is stirred and mixed by the spiral stirring blade 14, the mixed raw material flow is guided by the connection pipe 10 to flow into the convection nozzle 11, and two shunt flows are formed under the action of the structural characteristics of the convection nozzle 11, and then the two shunt flows are oppositely flushed at the outlet at the right end of the convection nozzle 11, at this time, besides the function of secondarily mixing the raw material, the raw material flow can be prevented from directly impacting the piston rod of the cylinder telescopic rod 7 to influence the long-term use of the cylinder telescopic rod 7, the secondarily mixed raw material flow finally flows into the mould through the discharge pipe 5 to complete the pouring process, the position of the sealing piece 9 is controlled by the cylinder telescopic rod 7, the effect of flow limiting can be realized, further, different pouring processes are realized by controlling the raw material flow inside the discharge pipe 5, and the bottom end opening of the discharge pipe 5 can be completely sealed by the sealing piece 9 after the pouring is finished, can avoid the raw materials drippage this moment, be favorable to maintaining operational environment, avoid extravagant simultaneously, reduce cost, when opening discharging pipe 5 once more and pouring the process, sealing member 9 need be followed discharging pipe 5 inside completely and shifted out, can realize clearing up the mediation of discharging pipe 5 inside this moment, avoids it to take place to block up.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a discharging device based on casting machine is used in polyurethane production, includes ejection of compact chamber body (1), its characterized in that: discharge chamber body (1) left side port is connected with apron (3) through several bolts (2), the inside threaded connection of discharge chamber body (1) bottom discharge gate has discharging pipe (5), the inside threaded connection on discharge chamber body (1) top right side has the fixed cover of screw thread (6), the inside fixedly connected with cylinder telescopic link (7) of the fixed cover of screw thread (6), cylinder telescopic link (7) piston rod bottom is run through and is scraped material (8) middle part and fixedly connected with sealing member (9), apron (3) middle part fixedly connected with refutes takeover (10) just refute takeover (10) right-hand member run through apron (3) and extend to inside discharge chamber body (1), refute takeover (10) left side port fixedly connected with branch pipe (12), branch pipe (12) internal rotation is connected with spiral stirring leaf (14), the pivot left end of spiral stirring leaf (14) runs through branch pipe (12) left end wall middle part and fixed connection at motor left end wall (13) The electromagnetic valve (15) is fixedly connected to the left side of the top end of the branch pipe (12) at the driving end.

2. The discharging device based on the casting machine for polyurethane production according to claim 1, characterized in that: the left side fixedly connected with installing support (4) in middle part of ejection of compact chamber body (1) top.

3. The discharging device based on the casting machine for polyurethane production according to claim 1, characterized in that: the upper side of the outer diameter of the threaded fixing sleeve (6) is hexagonal.

4. The discharging device based on the casting machine for polyurethane production according to claim 1, characterized in that: the top end of the scraping piece (8) is fixedly connected to the bottom end of the shell of the cylinder telescopic rod (7).

5. The discharging device based on the casting machine for polyurethane production according to claim 1, characterized in that: the right end opening of the connection pipe (10) is fixedly connected with a convection nozzle (11).

6. The discharging device based on the casting machine for polyurethane production according to claim 1, characterized in that: the right end of the shell of the motor (13) is fixedly connected with the left end of the branch pipe (12).

7. The discharging device based on the casting machine for polyurethane production according to claim 1, characterized in that: and a discharge port in the middle of the bottom end of the electromagnetic valve (15) penetrates through the left side of the top end of the branch pipe (12).