CN217169747U

CN217169747U - Automatic injection device of plastic film opening agent

Info

Publication number: CN217169747U
Application number: CN202220261824.4U
Authority: CN
Inventors: 余自萍; 姚立强
Original assignee: Shanghai Juqian New Material Development Co ltd
Current assignee: Shanghai Juqian New Material Development Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-08-12
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses an automatic injection device for plastic film opening agent, relating to the technical field of plastic film processing; comprises a solution barrel, a peristaltic pump assembly and a compressed air pipe; the solution barrel is connected with a solution pipe, and the solution pipe passes through the peristaltic pump assembly; the peristaltic pump assembly comprises a box body, a disc-shaped pump groove is formed in the box body, a rotating disc is rotatably mounted in the pump groove, a plurality of rotating columns are rotatably connected to the rotating disc, and a solution pipe enters the pump groove and passes through the rotating columns along the outer sides of the rotating columns; one end of the rotating disc, which penetrates out of the box body, is provided with a propeller, and the propeller is inserted into a compressed air pipe; one end of the solution pipe, which is far away from the solution barrel, is provided with an atomizing nozzle which is connected with a compressed air pipe. The device combines the work of injecting the opening agent and the work of injecting conventional compressed air, and combines the die head capable of being cooled internally to realize the linkage of the opening agent and the die head, namely, the automatic control of the injection speed is realized, and the device has good use effect.

Description

Automatic injection device of plastic film opening agent

Technical Field

The utility model relates to a plastic film processing technology field specifically is an automatic injection device of plastic film opening agent.

Background

The opening agent, also called slipping agent, anti-blocking agent and anti-caking agent, is commonly used in the production and preparation process of plastic film material products, and can effectively improve the opening performance of the film. The earliest opening agents were inorganic talc, diatomaceous earth, etc.; the medium-term development is to organic oleamide, erucamide, EBS derivatives and the like; at present, the synthetic silicon dioxide is widely applied to films as an opening agent. The opening agent is usually added into the mixture as a raw material in the production process of the plastic product to become a basic component of the plastic product, and meanwhile, the aqueous solution of the opening agent can be sprayed on the inner surface of the plastic film in the film blowing process of the plastic product, so that the effects of improving the opening performance and preventing adhesion are achieved.

The opening agent solution can be connected into the plastic film through the connection with the die head, and water solution is injected into the plastic film, but the injected water solution is difficult to be accurately matched with the processing process of the plastic film, the plastic film cannot be attached to the opening agent solution fully and uniformly, the problems of leakage and the like easily occur to related structures, and the water solution can also influence the shape of the plastic film.

Disclosure of Invention

An object of the utility model is to provide an automatic injection device of plastic film opening agent to solve the problem that proposes among the above-mentioned background art. The device combines the injection process of the opening agent with the process of blowing air into the plastic film, and the die head which is internally cooled in a dog is matched to realize linkage of the opening agent and the die head, so that the injection speed of the opening agent can be accurately controlled, the opening agent can be uniformly attached to the inner surface of the plastic film, and the processing quality is improved.

In order to achieve the above object, the utility model provides a following technical scheme:

an automatic injection device for a plastic film opening agent comprises a solution barrel, a peristaltic pump assembly and a compressed air pipe; the solution barrel is connected with a solution pipe, and the solution pipe passes through the peristaltic pump assembly; the peristaltic pump assembly comprises a box body, a disc-shaped pump groove is formed in the box body, a rotating disc is rotatably mounted in the pump groove, a plurality of rotating columns are rotatably connected to the rotating disc, and the solution pipe enters the pump groove, bypasses the rotating columns along the outer sides of the rotating columns and then penetrates out of the rotating columns; one end of the rotating disc, which penetrates out of the box body, is provided with a propeller, and the propeller is inserted into a compressed air pipe; and one end of the solution pipe, which is far away from the solution barrel, is provided with an atomizing nozzle, and the atomizing nozzle is connected with a compressed air pipe.

As a further aspect of the present invention: and through grooves connected with the pump grooves are formed in the two sides of the box body, and the solution pipe penetrates through the through grooves.

As a further aspect of the present invention: and a rotating rod penetrating through the box body is arranged on the rotating disc and is connected with the propeller.

As a further aspect of the present invention: the screw includes the connecting rod, the connecting rod passes the through-hole on the compressed air pipe, the connecting rod is located the intraductal part of compressed air and installs the multiunit paddle.

As a further aspect of the present invention: install the stirring subassembly in the solution bucket, the stirring subassembly includes (mixing) shaft, puddler and motor, the (mixing) shaft inserts the solution bucket and rotates with the solution bucket to be connected, the part that the (mixing) shaft is located the solution bucket inside installs the multiunit puddler, the part connection motor that the solution bucket was worn out to the (mixing) shaft.

As a further aspect of the present invention: the solution barrel is provided with a feeding hole and a control valve, and the control valve is connected with the solution pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

by adopting the automatic injection device for the plastic film opening agent, the injection process of the opening agent solution is combined with the process of injecting compressed air into the die head, and the die head capable of carrying out internal cooling is combined, so that the injection speed of the opening agent is reasonably controlled, the problem of uneven injection by a mouth machine is not needed to be worried, the opening agent solution does not directly enter the die head, atomization is completed in a compressed air pipe, the atomized opening agent is mixed with air and then enters the plastic film, the opening agent can be fully and uniformly combined with the inner wall of the film under the action of the air, and the problems of uneven coating of the opening agent and easy leakage can be solved;

adopt above-mentioned plastic film tapping agent automatic injection device, the peristaltic pump subassembly of this device passes through the rolling disc and drives the rotation post rotation on surface, extrude the solute tube, realize the transportation to tapping agent solution, avoid polluting tapping agent solution, the rolling disc receives the drive of the screw that inserts compressed air pipe simultaneously, the screw then takes place to rotate under the energy that compressed air flows the production, the pressure drive peristaltic pump subassembly that has utilized compressed air promptly, complete linkage has been realized, the inhomogeneous problem of feed has been avoided.

Drawings

FIG. 1 is a schematic structural diagram of an automatic injection device for plastic film opening agents.

Fig. 2 is a schematic structural diagram of the connection between a peristaltic pump assembly and a compressed air pipe in the automatic injection device for the plastic film opening agent.

Fig. 3 is a schematic structural diagram of a peristaltic pump assembly in the automatic injection device for the plastic film opening agent.

In the figure: 1. a solution barrel; 2. a stirring assembly; 3. a stirring rod; 4. a stirring shaft; 5. a compressed air pipe; 6. a peristaltic pump assembly; 7. a box body; 8. rotating the disc; 9. a pump tank; 10. rotating the column; 11. an atomizing spray head; 12. a solution tube; 13. a through groove; 14. a control valve; 15. a motor; 16. rotating the rod; 17. a through hole; 18. a connecting rod; 19. a paddle; 20. a propeller; 21. and (4) feeding a material inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in embodiment 1 of the present invention, an automatic injection device for plastic film tapping agent includes a solution barrel 1, a peristaltic pump assembly 6 and a compressed air tube 5; the solution barrel 1 is connected with a solution pipe 12, and the solution pipe 12 passes through the peristaltic pump assembly 6; the peristaltic pump assembly 6 comprises a box body 7, a disc-shaped pump groove 9 is formed in the box body 7, a rotating disc 8 is rotatably mounted in the pump groove 9, a plurality of rotating columns 10 are rotatably connected to the rotating disc 8, and a solution pipe 12 enters the pump groove 9, bypasses the rotating columns 10 along the outer sides of the rotating columns 10 and then penetrates out; one end of the rotating disc 8, which penetrates out of the box body 7, is provided with a propeller 20, and the propeller 20 is inserted into the compressed air pipe 5; solution pipe 12 is kept away from the one end of solution bucket 1 and is installed atomizer 11, atomizer 11 is connected compressed air pipe 5.

The device combines the injection of the opening agent solution and the injection of compressed air, drives the propeller 20 through the flow of the compressed air when in use, further drives the rotating disc 8 to rotate, continuously compresses the solution pipe 12 through the revolving rotating column 10, continuously extrudes the liquid in the solution pipe 12, and achieves the effect of controlling the pumping-out of the opening agent solution. Therefore, the flow-out amount of the opening agent solution in the device is completely controlled according to the amount of the compressed air blown out, and the effect of automatic adjustment according to the processing condition is achieved.

The compressor solution that is extruded in this device is not the inside blowout that atomizes of plastic film, but spout into compressed air pipe 5 in, directly atomizes in compressed air pipe 5 and combines together with the compressed air that flows, and the remixing gathers inside getting into plastic film at the air, even attached on plastic film's inner wall under the effect of air reaches even attached effect, and can not influence plastic film's shaping effect.

This device combines together the process of split agent injection and compressed air's the injection process and produces the linkage, makes the injection of split agent more even, and avoids disturbing plastic film's production, has good result of use.

Example 2

Referring to fig. 1 to fig. 3, the main difference between the embodiment 2 and the embodiment 1 is:

referring to fig. 1 and 3, in embodiment 2 of the present invention, through grooves 13 connected to the pump grooves 9 are formed on two sides of the box body 7, and the solution pipe 12 passes through the through grooves 13. The through groove 13 is used for the solution pipe 12 to enter and exit.

Referring to fig. 2, a rotating rod 16 penetrating through the box body 7 is mounted on the rotating disc 8, and the rotating rod 16 is connected with a propeller 20. The rotary rod 16 is used to control the centering rotation of the rotary disk 8, and the propeller 20 rotates by the impact of the compressed air and transmits the rotation to the rotary disk 8 through the rotary rod 16.

Referring to fig. 2, the propeller 20 includes a connecting rod 18, the connecting rod 18 passes through the through hole 17 of the compressed air pipe 5, and a plurality of groups of blades 19 are mounted on a portion of the connecting rod 18 located in the compressed air pipe 5. The connecting rod 18 passes through the through hole 17 to be connected with the paddle 19, and a certain included angle is formed between the paddle 19 and the incoming flow direction, so that the connecting rod 18 rotates under the action of the incoming flow.

Referring to fig. 1, a stirring assembly 2 is installed in the solution barrel 1, the stirring assembly 2 includes a stirring shaft 4, stirring rods 3 and a motor 15, the stirring shaft 4 is inserted into the solution barrel 1 and is rotatably connected to the solution barrel 1, a plurality of groups of stirring rods 3 are installed on a portion of the stirring shaft 4 located inside the solution barrel 1, and a portion of the stirring shaft 4 penetrating through the solution barrel 1 is connected to the motor 15. Stirring subassembly 2 passes through motor 15 and drives (mixing) shaft 4, and control puddler 3 rotates, makes the opening agent solution be in the state of misce bene all the time, avoids appearing deposiing or layering.

Referring to fig. 1, the solution tank 1 is provided with a feed port 21 and a control valve 14, and the control valve 14 is connected to a solution pipe 12. The feed port 21 is used for feeding the material, and the control valve 14 is used for controlling the opening and closing of the solution pipe 12.

The utility model discloses a theory of operation is:

this device combines together the injection of shedding agent solution and the injection of compressed air, has used peristaltic pump assembly 6 to control the flow of the solution in solution pipe 12, and peristaltic pump assembly 6 passes through the rotation of screw 20 control rolling disc 8, and screw 20 is located compressed air pipe 5, and the work efficiency of peristaltic pump assembly 6 is controlled by the air flow rate in compressed air pipe 5 completely, realizes the linkage of both. Meanwhile, the liquid in the solution pipe 12 can not directly enter the die head, but is atomized in the compressed air pipe 5, and after being fully mixed with compressed air, the atomized liquid enters the plastic film, so that the uniform attachment to the inner wall of the plastic film is realized, the utilization rate is higher, the attachment is more uniform, and the problem of adhesion or liquid leakage is avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An automatic injection device of a plastic film opening agent is characterized by comprising a solution barrel, a peristaltic pump assembly and a compressed air pipe; the solution barrel is connected with a solution pipe, and the solution pipe passes through the peristaltic pump assembly; the peristaltic pump assembly comprises a box body, a disc-shaped pump groove is formed in the box body, a rotating disc is rotatably mounted in the pump groove, a plurality of rotating columns are rotatably connected to the rotating disc, and the solution pipe enters the pump groove, bypasses the rotating columns along the outer sides of the rotating columns and then penetrates out of the rotating columns; one end of the rotating disc, which penetrates out of the box body, is provided with a propeller, and the propeller is inserted into a compressed air pipe; and one end of the solution pipe, which is far away from the solution barrel, is provided with an atomizing nozzle, and the atomizing nozzle is connected with a compressed air pipe.

2. The automatic injection device for plastic film opening agent as claimed in claim 1, wherein the tank body is provided at both sides thereof with through grooves connected to the pump grooves, and the solution pipe passes through the through grooves.

3. The automatic injection device of plastic film opening agent as claimed in claim 1, wherein the rotary disk is mounted with a rotary rod passing through the box body, the rotary rod being connected with a propeller.

4. The automatic injection device for plastic film opening agent as claimed in claim 1 or 3, wherein the propeller comprises a connecting rod passing through a through hole of the compressed air pipe, and the part of the connecting rod located in the compressed air pipe is provided with a plurality of groups of blades.

5. The automatic injection device of the plastic film opening agent according to claim 1, wherein a stirring assembly is installed in the solution barrel, the stirring assembly comprises a stirring shaft, stirring rods and a motor, the stirring shaft is inserted into the solution barrel and is rotatably connected with the solution barrel, a plurality of groups of stirring rods are installed on the portion, located inside the solution barrel, of the stirring shaft, and the portion, located outside the solution barrel, of the stirring shaft is connected with the motor.

6. The automatic injection device for plastic film opening agent as claimed in claim 1 or 5, wherein the solution barrel is provided with a feed inlet and a control valve, and the control valve is connected with the solution pipe.