CN211683189U

CN211683189U - Automatic drainage system for mold changing of injection molding machine

Info

Publication number: CN211683189U
Application number: CN201922329897.3U
Authority: CN
Inventors: 苏大明; 陈利
Original assignee: Suzhou Qishi Precision Molding Technology Co ltd
Current assignee: Suzhou Qishi Precision Molding Technology Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-10-16
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to the technical field of injection molding machines, in particular to an automatic drainage system for mold changing of an injection molding machine, which solves the defects in the prior art and comprises a first pipeline, a second pipeline, a mold temperature controller, a mold, a driving motor, a first supporting plate, a second supporting plate and two symmetrically arranged water tanks, wherein two ends of the first pipeline and the second pipeline are respectively connected with the mold temperature controller and the mold, one side of the first pipeline and one side of the second pipeline are both fixedly connected with a drainage pipe through a flange plate, and through the arrangement of structures such as the driving motor, a cam, a pressure rod, a connecting rod, a rotary valve cover and the like, after the mold is changed, the cam can be driven to rotate by the additionally arranged motor, the pressure rod can slide by utilizing the elasticity of a spring, the water tank connected with the pipeline is opened, thereby discharging circulating water in the pipeline, reducing the pressure inside the pipeline and reducing the operation difficulty of personnel, and avoids the occurrence of scalding.

Description

Automatic drainage system for mold changing of injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field especially relates to an injection molding machine retooling automatic drainage system.

Background

An injection molding machine is also known as an injection molding machine or an injection 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 molding machine of prior art is when changing the mould, all is pulled out cooling line or heating line by personnel manually, but the inside environment that is in sealed and highly compressed of pipeline, and the degree of difficulty of plug is great, still has stored liquid in the pipeline moreover, directly extracts the water pipe and can lead to rivers to spray out, can cause the scald to personnel when serious.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automatic drainage system for mold changing of an injection molding machine.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic drainage system for mold changing of an injection molding machine comprises a first pipeline, a second pipeline, a mold temperature controller, a mold, a driving motor, a first supporting plate, a second supporting plate and two symmetrically arranged water tanks, wherein two ends of the first pipeline and the second pipeline are respectively connected with the mold temperature controller and the mold, one sides of the first pipeline and the second pipeline are respectively connected with a drain pipe through a flange plate fixedly connected with the drain pipe, the other end of the drain pipe is fixedly connected with one side of the water tank, one side of the water tank is provided with a water outlet, the output end of the driving motor is connected with a main shaft through a coupling, the main shaft is rotatably arranged between the first supporting plate and the second supporting plate, the outer sleeve of the main shaft is provided with two cams, the top of the water tank is provided with a compression bar in a sliding manner, the top of the compression bar is welded with a connecting block, the top, and the other end activity of depression bar articulates there is the connecting rod, the other end activity of connecting rod articulates there is the rotary valve lid, rotary valve lid through round pin axle swing joint in inner wall one side of water tank, and rotary valve lid is located one side of outlet.

Preferably, the first bearing and the second bearing are respectively installed in the first supporting plate and the second supporting plate, and the two ends of the main shaft are respectively sleeved in the first bearing and the second bearing.

Preferably, the outside cover of depression bar is equipped with the spring, the both ends of spring respectively through the buckle with the bottom of connecting block and the top fixed connection of water tank.

Preferably, a sealing gasket is arranged outside the pressure lever and is fixedly bonded with the top of the water tank through an adhesive.

Preferably, a pressure sensor is installed on one side of the inner wall of the water tank, a pressing block of an integrated structure is arranged at the end part of the rotary valve cover, a water pump is arranged on the drain pipe, and the water pump is in communication connection with the pressure sensor.

Preferably, an arc-shaped groove is formed in one side of the inner wall of the water tank, and the rotary valve cover is connected with the arc-shaped groove in a sliding mode.

Preferably, the top of the water tank is provided with a slide hole, and the pressure lever is embedded in the slide hole.

The utility model has the advantages that:

1. the utility model discloses in through the setting of driving motor, cam, depression bar, connecting rod, rotation valve gap isotructure, after changing the mould, can utilize the motor of addding to drive the cam and rotate, utilize the elasticity of spring to make the depression bar slide, will open with tube coupling's water tank to this comes the circulating water discharge in the pipeline, and reduces the inside pressure of pipeline, reduces personnel's the operation degree of difficulty, and has avoided the condition of scalding to take place.

2. The utility model discloses in through the setting of rotating valve gap, pressure sensor, water pump isotructure, after rotating the valve gap and opening, the inside intercommunication of pipeline and water tank, pressure sensor is because the pressure that receives disappears this moment, with signal feedback to the controller in, by controller effect water pump make the water pump with the automatic suction of the inside circulating water of pipeline to the water tank in, realize the function of automatic drainage, drainage efficiency is high, and convenient to use has stronger practicality.

Drawings

Fig. 1 is a schematic structural view of an automatic drainage system for mold changing of an injection molding machine according to the present invention;

FIG. 2 is an enlarged view of the position A of the automatic drainage system for mold change of the injection molding machine provided by the utility model;

fig. 3 is the enlarged view of the position B of the automatic drainage system for mold changing of the injection molding machine provided by the utility model.

In the figure: the device comprises a first pipeline 1, a second pipeline 2, a mold temperature controller 3, a mold 4, a driving motor 5, a first support plate 6, a second support plate 7, a main shaft 8, a cam 9, a water tank 10, a water discharge pipe 11, a sealing gasket 12, a pressure rod 13, a water pump 14, a roller 15, a connecting block 16, a spring 17, an arc-shaped groove 18, a pressing block 19, a connecting rod 20, a rotary valve cover 21, a water discharge port 22 and a pressure sensor 23.

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.

Referring to fig. 1-3, an automatic drainage system for mold changing of an injection molding machine comprises a first pipeline 1, a second pipeline 2, a mold temperature controller 3, a mold 4, a driving motor 5, a first supporting plate 6, a second supporting plate 7 and two symmetrically arranged water tanks 10, wherein two ends of the first pipeline 1 and the second pipeline 2 are equally connected with the mold temperature controller 3 and the mold 4 respectively, one sides of the first pipeline 1 and the second pipeline 2 are fixedly connected with a drain pipe 11 through a flange, the other end of the drain pipe 11 is fixedly connected with one side of the water tank 10, one side of the water tank 10 is provided with a drainage port 22, the output end of the driving motor 5 is connected with a spindle 8 through a coupler, the spindle 8 is rotatably installed between the first supporting plate 6 and the second supporting plate 7, two cams 9 are sleeved outside the spindle 8, a pressure lever 13 is slidably arranged at the top of the water tank 10, a connecting block 16 is welded at, the top of the connecting block 16 is provided with a roller 15, the roller 15 is tangent with the outer side of the cam 9, the other end of the pressure lever 13 is movably hinged with a connecting rod 20, the other end of the connecting rod 20 is movably hinged with a rotary valve cover 21, the rotary valve cover 21 is movably connected with one side of the inner wall of the water tank 10 through a pin shaft, the rotary valve cover 21 is positioned at one side of the water outlet 22, through the arrangement of the structures of the driving motor 5, the cam 9, the pressure lever 13, the connecting rod 20, the rotary valve cover 21 and the like, after the mould is replaced, the additionally arranged motor can be utilized to drive the cam 9 to rotate, the pressure lever slides by utilizing the elasticity of the spring 17, the water tank 10 connected with the pipeline is opened, so as to discharge the circulating water in the pipeline, reduce the pressure inside the pipeline, reduce the operation difficulty of personnel, and avoid the scald, after the rotary valve cover 21 is opened, the pipeline is communicated with the inside of the water tank 10, at the moment, the pressure sensor 23 feeds back signals to the controller due to the fact that the pressure applied to the pressure sensor disappears, the water pump 14 is acted by the controller to enable the water pump 14 to automatically pump circulating water in the pipeline into the water tank 10, the automatic water drainage function is achieved, the water drainage efficiency is high, the use is convenient, and the practicability is high, a first bearing and a second bearing are respectively installed inside the first supporting plate 6 and the second supporting plate 7, two ends of the main shaft 8 are respectively sleeved inside the first bearing and the second bearing, the spring 17 is sleeved outside the compression rod 13, two ends of the spring 17 are respectively fixedly connected with the bottom of the connecting block 16 and the top of the water tank 10 through buckles, the sealing gasket 12 is arranged outside the compression rod 13, the sealing gasket 12 is fixedly bonded with the top of the water tank 10 through an adhesive, the end of the rotary valve cover 21 is provided with a pressing block 19 of an integrated structure, the water discharge pipe 11 is provided with a water pump 14, the water pump 14 is in communication connection with a pressure sensor 23, one side of the inner wall of the water tank 10 is provided with an arc-shaped groove 18, the rotary valve cover 21 is in sliding connection with the arc-shaped groove 18, the top of the water tank 10 is provided with a slide hole, and the pressing rod 13 is embedded in the slide hole.

In the embodiment, when the device is used, a controller is arranged on an injection molding machine, the pressure sensor 23 and the water pump 14 are electrically connected with the controller, and the water pump 14 is controlled by the controller to act, wherein the driving motor 5, the first supporting plate 6 and the second supporting plate 7 are all arranged on the injection molding machine, when a mold is replaced, a person opens a switch of the driving motor 5 to enable the driving motor 5 to act, the driving motor 5 drives the cam 9 to rotate, the driving motor 5 is arranged at a slow rotating speed, after the driving motor 5 rotates to a water drainage position, the driving motor 5 stops acting, at the moment, the lower point of the cam 9 is tangent to the outer side of the roller 15, the pressure rod 13 and the connecting block 16 slide upwards by virtue of the elastic force of the spring 17, the connecting rod 20 is pulled by the other end of the pressure rod 13, after the length of the connecting rod 20 in the X-axis direction is, at the moment, the water tanks 10 are communicated with the interiors of the first pipeline 1 and the second pipeline 2, meanwhile, as the pressure block 19 is not pressed on the pressure sensor 23 any more, the pressure signal disappears, the pressure sensor 23 feeds back the signal to the controller, and the water pumps 14 act on the controller to pump the water in the first pipeline 1 and the second pipeline 2 into the interiors of the two water tanks 10;

further, after the circulating water is pumped out, the driving motor 5 acts again to rotate and reset the cam 9, the pressing rod 13 is pressed to slide downwards, the connecting rod 20 rotates through the pressure of the pressing rod 13 to press the rotary valve cover 21 on the water outlet 22, the pressure sensor 23 receives pressure signals to feed back to the controller again, the controller stops the water pump 14, at the moment, the pressure in the first pipeline 1 and the second pipeline 2 is reduced, the circulating water inside is pumped out, and a person can easily detach the pipelines and replace the mold 4.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An automatic drainage system for mold changing of an injection molding machine comprises a first pipeline (1), a second pipeline (2), a mold temperature controller (3), a mold (4), a driving motor (5), a first supporting plate (6), a second supporting plate (7) and two symmetrically arranged water tanks (10), and is characterized in that two ends of the first pipeline (1) and the second pipeline (2) are respectively connected with the mold temperature controller (3) and the mold (4), one sides of the first pipeline (1) and the second pipeline (2) are fixedly connected with a drainage pipe (11) through a flange plate, the other end of the drainage pipe (11) is fixedly connected with one side of the water tank (10), a drainage outlet (22) is formed in one side of the water tank (10), the output end of the driving motor (5) is connected with a main shaft (8) through a coupler, the main shaft (8) is rotatably installed between the first supporting plate (6) and the second supporting plate (7), and the outside cover of main shaft (8) is equipped with two cams (9), the top of water tank (10) slides and is provided with depression bar (13), and the top welding of depression bar (13) has connecting block (16), gyro wheel (15) have been installed at the top of connecting block (16), and gyro wheel (15) are tangent with the outside of cam (9), and the other end activity of depression bar (13) articulates there is connecting rod (20), the other end activity of connecting rod (20) articulates there is rotation valve gap (21), rotation valve gap (21) are in through round pin axle swing joint the inner wall one side of water tank (10), and rotation valve gap (21) are located one side of outlet (22).

2. The automatic drainage system for the mold changing of the injection molding machine according to claim 1, wherein a first bearing and a second bearing are respectively installed inside the first supporting plate (6) and the second supporting plate (7), and two ends of the main shaft (8) are respectively sleeved inside the first bearing and the second bearing.

3. The automatic drainage system for the mold change of the injection molding machine as claimed in claim 1, wherein a spring (17) is sleeved outside the pressure lever (13), and two ends of the spring (17) are fixedly connected with the bottom of the connecting block (16) and the top of the water tank (10) respectively through buckles.

4. The automatic drainage system for the mold change of the injection molding machine as claimed in claim 1, wherein a sealing gasket (12) is provided outside the pressure lever (13), and the sealing gasket (12) is fixed to the top of the water tank (10) by bonding agent.

5. The automatic drainage system for the mold changing of the injection molding machine as claimed in claim 1, wherein a pressure sensor (23) is installed on one side of the inner wall of the water tank (10), a pressing block (19) of an integrated structure is arranged at the end of the rotary valve cover (21), a water pump (14) is arranged on the drainage pipe (11), and the water pump (14) is in communication connection with the pressure sensor (23).

6. The automatic drainage system for the mold changing of the injection molding machine as claimed in claim 1, wherein an arc-shaped groove (18) is formed in one side of the inner wall of the water tank (10), and the rotary valve cover (21) is slidably connected with the arc-shaped groove (18).

7. The automatic drainage system for the mold changing of the injection molding machine as claimed in claim 1, wherein a slide hole is opened at the top of the water tank (10), and the pressure lever (13) is embedded inside the slide hole.