CN214448243U - Screw type injection machine - Google Patents

Abstract

The utility model discloses a screw injection machine, including injection syringe, export stopper, communicating pipe, seal valve, screw rod pipe and stiffener. The utility model discloses screw injection machine, in the solution that will treat the injection pours into the screw thread wall through the inlet, it drives the threaded rod and rotates in the screw thread wall to rotate external rotor plate, promote the solution of screw thread wall inside to the direction of connector, make solution remove to the measurement intracavity through communicating pipe, take the closing plate out from installing the inserting groove, make communicating pipe and measurement chamber communicate each other, solution enters into the measurement chamber, start hydraulic drive jar, hydraulic drive jar promotes the push pedal, make solution remove to the direction of export groove, take the export stopper out from the export groove, jet out from the export groove with the solution of measurement intracavity, this structure can comparatively accurate control injection volume, promote the injection effect of injection machine.

Description

Screw type injection machine

Technical Field

The utility model relates to an injection machine technical field specifically is a screw injection machine.

Background

An injection machine is also known as an injection molding machine or an injection molding machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.

The injection system is one of the most important components of an injection molding machine, and generally has three main forms of plunger type, screw type and screw pre-molding plunger injection type. The most widely used is the screw type. The function of the injection molding machine is that after a certain amount of plastic is heated and plasticized in a specified time in one cycle of the injection molding machine, the molten plastic is injected into a mold cavity through a screw at a certain pressure and speed. After injection, the melt injected into the mold cavity remains set.

At present, the existing injection machine on the market is mostly in a manual injection mode in the use process, and the injection quantity cannot be controlled accurately, so that the condition that a mold cavity is vacant or an inner cavity is overfilled is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a screw injection machine, in the solution that will treat the injection pours into the screw thread wall through the inlet, it rotates in the screw thread wall to rotate external rotor plate drive threaded rod, promote the solution of screw thread wall inside to the direction of connector, make solution remove to the measurement intracavity through communicating pipe, take the closing plate out from placer groove, make communicating pipe and measurement chamber communicate each other, solution enters into in the measurement chamber, start hydraulic drive cylinder, hydraulic drive cylinder promotes the push pedal, make solution remove to the direction of export groove, take the export stopper out from the export groove, solution in the measurement intracavity jets out from the export groove, this structure can comparatively accurate control injection volume, promote the injection effect of injection machine, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a screw type injection machine comprises an injection tube, an outlet plug, a communicating tube, a sealing valve, a screw tube and a reinforcing rod, wherein the outlet plug is arranged at one end of the injection tube and is inserted into the injection tube;

the injection tube comprises a straight tube wall, a metering cavity, a push plate, a hydraulic driving cylinder, a built-in frame and an outlet groove, wherein the metering cavity is formed in the straight tube wall, the push plate is arranged in the metering cavity, the hydraulic driving cylinder is connected to one side of the push plate, the built-in frame is arranged between the hydraulic driving cylinder and the push plate, and the outlet groove is formed in one side, away from the push plate, of the metering cavity;

the sealing valve comprises a sealing frame, an inserting groove and a sealing plate, the inserting groove is formed in the sealing frame, and the sealing plate is inserted into the inserting groove.

Preferably, the screw pipe comprises a threaded wall, a threaded rod, an external rotating plate, a liquid inlet and a connector, the threaded rod is arranged inside the threaded wall, the external rotating plate is fixedly connected to the outer side of the threaded rod, the liquid inlet is formed in the top end of the threaded wall, and the connector is formed in one end, far away from the external rotating plate, of the threaded wall.

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

the utility model discloses screw injection machine, in the solution that will treat the injection pours into the screw thread wall through the inlet, it drives the threaded rod and rotates in the screw thread wall to rotate external rotor plate, promote the solution of screw thread wall inside to the direction of connector, make solution remove to the measurement intracavity through communicating pipe, take the closing plate out from installing the inserting groove, make communicating pipe and measurement chamber communicate each other, solution enters into the measurement chamber, start hydraulic drive jar, hydraulic drive jar promotes the push pedal, make solution remove to the direction of export groove, take the export stopper out from the export groove, jet out from the export groove with the solution of measurement intracavity, this structure can comparatively accurate control injection volume, promote the injection effect of injection machine.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the screw tube of the present invention.

In the figure: 1. an injection tube; 11. a straight tube wall; 12. a metering chamber; 13. pushing the plate; 14. a hydraulic drive cylinder; 15. a built-in frame; 16. an outlet tank; 2. an outlet plug; 3. a communicating pipe; 4. a sealing valve; 41. a sealing frame; 42. inserting a slot; 43. a sealing plate; 5. a screw tube; 51. a threaded wall; 52. a threaded rod; 53. an external rotating plate; 54. a liquid inlet; 55. a connecting port; 6. a reinforcing rod.

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.

Referring to fig. 1-2, a screw injector comprises an injection tube 1, an outlet plug 2, a communicating tube 3, a sealing valve 4, a screw tube 5 and a reinforcing rod 6, wherein the outlet plug 2 is arranged at one end of the injection tube 1, the outlet plug 2 is inserted into the injection tube 1, the top end of the injection tube 1 is connected with the communicating tube 3, the sealing valve 4 is arranged between the communicating tube 3 and the injection tube 1, the screw tube 5 is connected to one end of the communicating tube 3 far away from the injection tube 1, the reinforcing rod 6 is arranged between the screw tube 5 and the injection tube 1, one end of the reinforcing rod 6 is fixedly connected to the injection tube 1, the other end of the reinforcing rod 6 is fixedly connected to the screw tube 5, the injection tube 1 comprises a straight tube wall 11, a metering cavity 12, a push plate 13, a hydraulic driving cylinder 14, a built-in frame 15 and an outlet tank 16, the metering cavity 12 is arranged inside the straight tube wall 11, the push plate 13 is arranged inside the metering cavity 12, one side of the push plate 13 is connected to the hydraulic driving cylinder 14, an internal frame 15 is arranged between the hydraulic driving cylinder 14 and the push plate 13, an outlet groove 16 is arranged on one side of the metering cavity 12 away from the push plate 13, a solution to be injected is poured into the threaded wall 51 through a liquid inlet 54, the external rotating plate 53 is rotated to drive the threaded rod 52 to rotate in the threaded wall 51, and the solution in the threaded wall 51 is pushed towards the direction of the connecting port 55.

Referring to fig. 3-4, the sealing valve 4 includes a sealing frame 41, an insertion slot 42 and a sealing plate 43, the insertion slot 42 is disposed inside the sealing frame 41, the sealing plate 43 is inserted into the insertion slot 42, so that the solution moves into the metering chamber 12 through the communicating tube 3, the sealing plate 43 is drawn out from the insertion slot 42, so that the communicating tube 3 and the metering chamber 12 communicate with each other, the screw tube 5 includes a threaded wall 51, a threaded rod 52, an external rotating plate 53, a liquid inlet 54 and a connecting port 55, the threaded wall 51 has the threaded rod 52 inside, the external rotating plate 53 is fixedly connected to the outer side of the threaded rod 52, the top end of the threaded wall 51 has the liquid inlet 54, the end of the threaded wall 51 away from the external rotating plate 53 has the connecting port 55, the solution enters the metering chamber 12, the hydraulic driving cylinder 14 is started, the hydraulic driving cylinder 14 pushes the push plate 13, so that the solution moves toward the outlet slot 16, the outlet plug 2 is withdrawn from the outlet tank 16 and the solution in the metering chamber 12 is ejected from the outlet tank 16.

The working principle is as follows: the solution to be injected is poured into the threaded wall 51 through the liquid inlet 54, the external rotating plate 53 is rotated to drive the threaded rod 52 to rotate in the threaded wall 51, the solution in the threaded wall 51 is pushed towards the connecting port 55, the solution is moved into the metering cavity 12 through the communicating pipe 3, the sealing plate 43 is pulled out from the inserting groove 42, the communicating pipe 3 and the metering cavity 12 are communicated with each other, the solution enters the metering cavity 12, the hydraulic driving cylinder 14 is started, the hydraulic driving cylinder 14 pushes the push plate 13, the solution is moved towards the outlet groove 16, the outlet plug 2 is pulled out from the outlet groove 16, and the solution in the metering cavity 12 is ejected from the outlet groove 16.

In summary, the following steps: the utility model discloses screw injection machine, in the solution that will treat the injection pours into threaded wall 51 through inlet 54, it rotates external rotor plate 53 and drives threaded rod 52 and rotate in threaded wall 51 to rotate, promote the solution of threaded wall 51 inside to connector 55's direction, make solution remove in measurement chamber 12 through communicating pipe 3, take sealing plate 43 out from placer groove 42, make communicating pipe 3 and measurement chamber 12 communicate each other, solution enters into measurement chamber 12, start hydraulic drive cylinder 14, hydraulic drive cylinder 14 promotes push pedal 13, make solution remove to the direction of export groove 16, take export stopper 2 out from export groove 16, jet out the solution in measuring chamber 12 from export groove 16, this structure can comparatively accurate control injection volume, promote the injection effect of injection machine.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a screw injection machine, includes injection tube (1), outlet stopper (2), communicating pipe (3), seal valve (4), screw pipe (5) and stiffener (6), its characterized in that: an outlet plug (2) is arranged at one end of the injection tube (1), the outlet plug (2) is inserted into the injection tube (1), a communicating tube (3) is connected to the top end of the injection tube (1), a sealing valve (4) is arranged between the communicating tube (3) and the injection tube (1), a screw tube (5) is connected to one end, far away from the injection tube (1), of the communicating tube (3), a reinforcing rod (6) is arranged between the screw tube (5) and the injection tube (1), one end of the reinforcing rod (6) is fixedly connected to the injection tube (1), and the other end of the reinforcing rod (6) is fixedly connected to the screw tube (5);

the injection tube (1) comprises a straight tube wall (11), a metering cavity (12), a push plate (13), a hydraulic driving cylinder (14), a built-in frame (15) and an outlet groove (16), wherein the metering cavity (12) is formed in the straight tube wall (11), the push plate (13) is arranged in the metering cavity (12), the hydraulic driving cylinder (14) is connected to one side of the push plate (13), the built-in frame (15) is arranged between the hydraulic driving cylinder (14) and the push plate (13), and the outlet groove (16) is formed in one side, far away from the push plate (13), of the metering cavity (12);

the sealing valve (4) comprises a sealing frame (41), an inserting groove (42) and a sealing plate (43), the inserting groove (42) is formed in the sealing frame (41), and the sealing plate (43) is inserted into the inserting groove (42).

2. The screw injection machine of claim 1, wherein: the utility model discloses a screw rod pipe, including screw wall (51), threaded rod (52), external rotor plate (53), inlet (54) and connector (55), the inside of screw wall (51) is equipped with threaded rod (52), the external rotor plate (53) of outside fixedly connected with of threaded rod (52), inlet (54) have been seted up on the top of screw wall (51), connector (55) have been seted up to the one end that external rotor plate (53) was kept away from in screw wall (51).

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