CN216635160U

CN216635160U - Injection device of vertical disc plastic injection molding machine

Info

Publication number: CN216635160U
Application number: CN202123196972.7U
Authority: CN
Inventors: 汪洋
Original assignee: Foshan Zishun Precision Machinery Co ltd
Current assignee: Foshan Zishun Precision Machinery Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-31
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an injection device of a vertical disc plastic injection molding machine, which comprises an injection frame and an injection machine body arranged on the inner side of the injection frame, wherein an injection head assembly is arranged at an output port at the bottom of the injection machine body, the injection head assembly comprises an injection head, a backflow pressure block is arranged at the lower part of the injection head, and the inner side of the backflow pressure block is of a hollow structure. This vertical disc plastic injection molding machine injection apparatus, make unnecessary raw materials flow into inside the backward flow briquetting and through the back flow entering backward flow liquid storage box through the backward flow mouth, first check valve prevents the raw materials in the backward flow liquid storage box to flow back to in the backward flow pipe, the air pump stores up the box inside to the backward flow liquid and admits air, make the backward flow liquid store up the box inside raw materials and get into in the injection head, injection apparatus is when carrying out the injection operation and meetting the resistance, make the notes material more smooth and easy, thereby avoid injection apparatus to meet the resistance and make the problem of injection apparatus blow out of pipe at the injection in-process.

Description

Injection device of vertical disc plastic injection molding machine

Technical Field

The utility model relates to the technical field of injection, in particular to an injection device of a vertical disc plastic injection molding machine.

Background

The disc type plastic injection moulding machine is a special equipment for manufacturing plastic soles, and a plurality of sets of sole moulds with the same style and different code numbers are usually arranged on the used disc at the same time, so that the moulds are required to be arranged on a turntable for the plastic injection moulding machine to carry out the step injection moulding on the moulds with the same style and different code numbers, conveniently open the moulds and take out the moulded soles.

When the existing injection device meets resistance during injection operation, the output mechanism of the injection device is easy to cause tube burst, the oil pressure of the injection device is unstable, the problem of uneven raw material injection is easy to generate in an injection mould, and the popularization and the use of equipment are influenced, so that the injection device of the vertical disc plastic injection molding machine is designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides an injection device of a vertical disc plastic injection molding machine, aiming at overcoming the defects of the prior art, and solving the problems that the output mechanism of the injection device is easy to generate tube explosion when the injection operation of the prior injection device meets resistance, the oil pressure of the injection device is unstable, and the injection of raw materials in an injection mold is easy to generate non-uniformity.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an injection device of a vertical disc plastic injection molding machine comprises an injection frame and an injection machine body arranged on the inner side of the injection frame, an injection head assembly is arranged at an output port at the bottom of the injection machine body, the injection head assembly comprises an injection head, a backflow pressing block is arranged at the lower part of the injection head, the inner side of the reflux pressure block is of a hollow structure, one side of the injection head, which is positioned in the reflux pressure block, is provided with a reflux port, the upper part of the injection head is provided with a reflux liquid storage box, the right side of the bottom of the reflux liquid storage box is communicated with the inner side of the reflux pressure block through a reflux pipe, the left side of the reflux liquid storage box is communicated with the upper part of the right side of the injection head, the right side of the reflux liquid storage box is provided with an air pump, and the output end of the air pump is communicated with the right side of the reflux liquid storage box through an air inlet pipe, the bottom of the reflux pressing block is fixedly connected with a sealing washer, and the sealing washer is sleeved on the outer side of the bottom of the injection head.

Preferably, the junction of the return pipe and the return liquid storage box is connected in series with a first one-way valve, and the middle part of the air inlet pipe is connected in series with a second one-way valve.

Preferably, the injection machine body is internally and slidably connected with a plate-type piston, and the upper part of the injection machine body is fixedly connected with a hydraulic cylinder.

Preferably, the output end of the hydraulic cylinder penetrates through the injection machine body, and the output end of the hydraulic cylinder is fixedly connected with the center of the upper part of the plate-type piston.

Preferably, the injection head is internally provided with a spiral conveying blade, an upper shaft end of the spiral conveying blade penetrates through the plate-type piston, and the plate-type piston is in sealing sliding connection with the upper shaft end of the spiral conveying blade.

Preferably, the left side of the upper part of the injection machine body is fixedly connected with a speed reducer, and the output end of the speed reducer penetrates through the interior of the injection machine body and is fixedly connected with the upper shaft end of the spiral conveying blade.

Advantageous effects

The utility model provides an injection device of a vertical disc plastic injection molding machine. Compared with the prior art, the method has the following beneficial effects:

(1) this vertical disc plastic injection molding machine injection device, make unnecessary raw materials flow into inside the backward flow briquetting and through the back flow entering reflux storage box through the backward flow mouth, first check valve prevents the raw materials in reflux storage box to flow back to in the backward flow, the air pump stores up the box inside to the backward flow and admits air, make the inside raw materials of reflux storage box get into in the injection head, injection device is when carrying out injection operation and meetting the resistance, make the notes material more smooth and easy, thereby avoid injection device to meet the resistance and make the problem that injection device explodes the pipe at the injection in-process.

(2) This vertical disc plastic injection molding machine injection device moves down through promoting board-like piston at the pneumatic cylinder for board-like piston moves down and is inputed inside the injection head with the inside raw materials of injection organism, and the speed reducer drives the rotation of helical conveying blade simultaneously, makes helical conveying blade input to the mould to the inside raw materials of injection head in, makes injection device when carrying out the injection operation, and is more even steady, avoids injection device oil pressure unstability, and makes the injection mould in produce the inhomogeneous problem of raw materials injection.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a sectional view of the structure of the injection head assembly of the present invention;

fig. 3 is a structural sectional view of the injector body according to the present invention.

In the figure: 1. an injection rack; 2. injecting the organism; 21. a plate piston; 22. a hydraulic cylinder; 23. a speed reducer; 3. an injection head assembly; 31. an injection head; 311. a return port; 312. a helical conveying blade; 32. refluxing and briquetting; 33. a reflux liquid storage box; 34. a return pipe; 35. an air pump; 36. an air inlet pipe; 37. a first check valve; 38. a second one-way valve; 4. a gasket is provided.

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.

Referring to fig. 1-3, the present invention provides a technical solution: an injection device of a vertical disc plastic injection molding machine comprises an injection frame 1 and an injection machine body 2 arranged on the inner side of the injection frame 1, an output port at the bottom of the injection machine body 2 is provided with an injection head component 3, the injection head component 3 comprises an injection head 31, the inside of the injection machine body 2 is connected with a plate-type piston 21 in a sliding way, the upper part of the injection machine body 2 is fixedly connected with a hydraulic cylinder 22, the output end of the hydraulic cylinder 22 penetrates through the inside of the injection machine body 2, the output end of the hydraulic cylinder 22 is fixedly connected with the center of the upper part of the plate-type piston 21, the inside of the injection head 31 is provided with a spiral conveying blade 312, the upper shaft end of the spiral conveying blade 312 penetrates through the plate-type piston 21, the plate-type piston 21 is connected with the upper shaft end of the spiral conveying blade 312 in a sealing and sliding way, the left side of the upper part of the injection machine body 2 is fixedly connected with a speed reducer 23, and the output end of the speed reducer 23 penetrates through the inside of the injection machine body 2 and is fixedly connected with the upper shaft end of the spiral conveying blade 312, the plate-type piston 21 is pushed to move downwards by the hydraulic cylinder 22, so that the plate-type piston 21 moves the raw material in the injection machine body 2 downwards and inputs the raw material into the injection head 31, meanwhile, the speed reducer 23 drives the spiral conveying blade 312 to rotate, so that the spiral conveying blade 312 inputs the raw material in the injection head 31 into the mold, and the injection device is more uniform and stable during injection operation, thereby avoiding the problem of uneven raw material injection in the injection mold due to unstable oil pressure of the injection device, the lower part of the injection head 31 is provided with the backflow pressing block 32, the inner side of the backflow pressing block 32 is of a hollow structure, one side of the injection head 31, which is positioned in the backflow pressing block 32, is provided with the backflow port 311, the upper part of the injection head 31 is provided with the backflow liquid storage box 33, the right side of the bottom of the backflow liquid storage box 33 is communicated with the inner side of the backflow pressing block 32 through the backflow pipe 34, the left side of the backflow liquid storage box 33 is communicated with the upper part of the right side of the injection head 31, an air pump 35 is arranged on the right side of the reflux liquid storage box 33, the output end of the air pump 35 is communicated with the right side of the reflux liquid storage box 33 through an air inlet pipe 36, the bottom of the reflux pressure block 32 is fixedly connected with a sealing gasket 4, the sealing washer 4 is sleeved outside the bottom of the injection head 31, the first one-way valve 37 is connected in series at the joint of the return pipe 34 and the return liquid storage box 33, the second one-way valve 38 is connected in series at the middle part of the air inlet pipe 36, the redundant raw materials flow into the backflow pressure block 32 through the backflow port 311 and enter the backflow liquid storage box 33 through the backflow pipe 34, the first one-way valve 37 prevents the raw materials in the backflow liquid storage box 33 from flowing back into the backflow pipe 34, the air pump 35 admits air into the backflow liquid storage box 33, the raw materials in the backflow liquid storage box 33 enter the injection head 31, and when the injection device meets resistance during injection operation, the material injection is smoother, thereby avoiding the problem that the injection device encounters resistance during injection to burst the injection device.

And those not described in detail in this specification are well within the skill of those in the art.

When the injection molding machine is used, the injection head 31 is aligned to an input port of an injection molding die, the sealing gasket 4 at the bottom of the backflow pressing block 32 is tightly pressed with the outer side of the input port of the injection molding die, the speed reducer 23 and the hydraulic cylinder 22 are started, the hydraulic cylinder 22 pushes the plate-type piston 21 to move downwards, so that the plate-type piston 21 moves the raw material in the injection machine body 2 downwards and inputs the raw material into the injection head 31, the speed reducer 23 drives the spiral conveying blade 312 to rotate, so that the spiral conveying blade 312 inputs the raw material in the injection head 31 into the die, the pressure in the die is high while the raw material is conveyed, when the raw material cannot smoothly enter the die, the redundant raw material flows into the backflow pressing block 32 through the backflow port 311 and enters the backflow liquid storage box 33 through the backflow pipe 34, the first one-way valve 37 prevents the raw material in the backflow liquid storage box 33 from flowing back into the backflow pipe 34, the air pump 35 admits air to the backflow liquid storage box 33, the raw material in the reflux liquid storage box 33 enters the injection head 31 and is refilled.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vertical disc plastic injection molding machine injection apparatus, includes injection frame (1) and sets up injection organism (2) in injection frame (1) inboard, its characterized in that: the delivery outlet of injection organism (2) bottom is equipped with injection head subassembly (3), injection head subassembly (3) includes injection head (31), the lower part of injection head (31) is equipped with backward flow briquetting (32), and the inboard of backward flow briquetting (32) is hollow structure, return port (311) have been seted up to one side that injection head (31) are located backward flow briquetting (32) inside, the upper portion of injection head (31) is equipped with backward flow liquid storage box (33), and the right side of backward flow liquid storage box (33) bottom passes through the inboard intercommunication of back flow (34) and backward flow briquetting (32), the left side of backward flow liquid storage box (33) and the upper portion intercommunication on injection head (31) right side, the right side of backward flow liquid storage box (33) is equipped with air pump (35), and the output of air pump (35) passes through intake pipe (36) and the right side intercommunication of backward flow liquid storage box (33), the bottom fixedly connected with seal ring (4) of backward flow briquetting (32), and the sealing washer (4) is sleeved outside the bottom of the injection head (31).

2. An injection unit of a vertical disc plastic injection molding machine according to claim 1, wherein: the joint of the return pipe (34) and the return liquid storage box (33) is connected with a first one-way valve (37) in series, and the middle part of the air inlet pipe (36) is connected with a second one-way valve (38) in series.

3. An injection unit of a vertical disc plastic injection molding machine according to claim 1, wherein: the plate type piston (21) is connected to the interior of the injection machine body (2) in a sliding mode, and the hydraulic cylinder (22) is fixedly connected to the upper portion of the injection machine body (2).

4. An injection unit of a vertical disc plastic injection molding machine according to claim 3, characterized in that: the output end of the hydraulic cylinder (22) penetrates through the interior of the injection machine body (2), and the output end of the hydraulic cylinder (22) is fixedly connected with the center of the upper part of the plate-type piston (21).

5. An injection unit of a vertical disc plastic injection molding machine according to claim 3, characterized in that: the injection head (31) is internally provided with a spiral conveying blade (312), the upper shaft end of the spiral conveying blade (312) penetrates through the plate type piston (21), and the plate type piston (21) is in sealing sliding connection with the upper shaft end of the spiral conveying blade (312).

6. An injection unit of a vertical disc plastic injection molding machine according to claim 5, wherein: the left side of the upper part of the injection machine body (2) is fixedly connected with a speed reducer (23), and the output end of the speed reducer (23) penetrates through the inside of the injection machine body (2) and is fixedly connected with the upper shaft end of the spiral conveying blade (312).