CN211221920U

CN211221920U - Injection molding machine mold closing device

Info

Publication number: CN211221920U
Application number: CN201921947238.XU
Authority: CN
Inventors: 秦宗智; 谢登华
Original assignee: Suzhou Minfake Precision Electronic Technology Co ltd
Current assignee: Suzhou Minfake Precision Electronic Technology Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-11
Anticipated expiration: 2029-11-12

Abstract

The utility model belongs to the technical field of the production of moulding plastics, especially, be an injection molding machine MOLD CLAMPING APPARATUS, including the mode locking hydro-cylinder, both sides fixedly connected with shifting die hydro-cylinder about the mode locking hydro-cylinder, the inside transmission of mode locking hydro-cylinder is connected with the horizontal spring that draws, horizontal spring one end fixedly connected with mode locking piston rod, mode locking piston rod one end fixedly connected with movable mould board, the inside transmission of shifting die hydro-cylinder is connected with the shifting die piston rod, the horizontal transmission pole that draws of the fixedly connected with in the shifting die hydro-cylinder outside, the fixed half mould of the inboard fixedly connected with of movable mould board, horizontal transmission pole one end fixedly. The utility model discloses a set up a novel MOLD CLAMPING APPARATUS, through the setting of two hydro-cylinders, guarantee that MOLD CLAMPING APPARATUS can keep normal work, can obtain great compound die power through the hydro-cylinder of the minor diameter that sets up, improved MOLD CLAMPING APPARATUS's the speed that moves, the throughput of less hydro-cylinder, the manufacturing cost of reduction has improved MOLD CLAMPING APPARATUS's life.

Description

Injection molding machine mold closing device

Technical Field

The utility model relates to an injection moulding production technical field specifically is an injection molding machine MOLD CLAMPING APPARATUS.

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 action of the mold closing system is as follows: the mold closing system has the function of ensuring that the mold is closed, opened and ejected. Meanwhile, after the mold is closed, enough mold clamping force is supplied to the mold to resist the mold cavity pressure generated when molten plastic enters the mold cavity, and the poor situation of a product caused by the opening of the mold is prevented. The composition of the mold closing system is as follows: the mold closing system mainly comprises a mold closing device, a machine winch, a mold adjusting mechanism, an ejection mechanism, a front fixed template, a rear fixed template, a movable template, a mold closing oil cylinder and a safety protection mechanism, and has the functions of realizing that the injection molding machine provides power according to various actions required by the technological process and meeting the requirements of pressure, speed, temperature and the like required by each part of the injection molding machine. The hydraulic injection molding machine mainly comprises respective hydraulic components and hydraulic auxiliary components, wherein an oil pump and a motor are power sources of the injection molding machine. Various valves control the pressure and flow of the oil, thereby meeting various requirements of the injection molding process.

There are the following problems:

the mold of the injection molding machine in the prior art needs to be locked to shape the mold, the mold is disassembled after the material is melted and formed in the mold, and a product is taken out.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an injection molding machine closing device has solved what current hydraulic pressure closing device adopted usually is that the single cylinder carries out power promotion, however when hydraulic pressure can't promote, and closing device just can't carry out shifting die and mode locking, causes the unable normal work of injection molding machine, has reduced the problem of the work efficiency of injection molding machine.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an injection molding machine MOLD CLAMPING APPARATUS, includes the mode locking hydro-cylinder, both sides fixedly connected with shifting die hydro-cylinder about the mode locking hydro-cylinder, the transmission of mode locking hydro-cylinder inside is connected with the cross-draw spring, cross-draw spring one end fixedly connected with mode locking piston rod, mode locking piston rod one end fixedly connected with movable mould board, the transmission of shifting die hydro-cylinder inside is connected with the shifting die piston rod, the transmission pole is violently drawn to the fixedly connected with in the shifting die hydro-cylinder outside, the inboard fixed half mould of fixedly connected with of movable mould board, violently draw transmission pole one end fixedly connected with fixed die plate, mode locking hydro-cylinder one side fixedly connected with oil storage storehouse, the transmission of mode locking hydro-cylinder.

As a preferred technical scheme of the utility model, the transmission of horizontal pull transfer rod cup joints the inside at the movable mould board, the movable mould board is through welding and mode locking piston rod, moving mould piston rod fixed connection.

As a preferred technical scheme of the utility model, mode locking piston rod, mould moving piston rod are connected at mode locking hydro-cylinder, the inside transmission of mould moving hydro-cylinder, mode locking piston rod, mould moving piston rod pass through mode locking hydro-cylinder, the closed go-between zonulae occludens in mould moving hydro-cylinder outer end.

As the utility model discloses a preferred technical scheme, the movable mould board passes through the mode locking piston rod, moves the mould piston rod and at the surface transmission of violently drawing the transfer bar, fixed die plate fixed connection is at violently drawing the transfer bar surface.

As a preferred technical scheme of the utility model, violently draw the fixed mode locking piston rod that cup joints of spring, the second piston with violently draw the fixed butt of spring.

As a preferred technical scheme of the utility model, the inside hydraulic oil that has stored in oil storage bin, oil storage bin passes through bottom compensation hole and mode locking hydro-cylinder internal connection.

As a preferred technical scheme of the utility model, protection spring and mode locking hydro-cylinder inner wall fixed connection, the second piston cup joints with protection spring is fixed.

Compared with the prior art, the utility model provides an injection molding machine MOLD CLAMPING APPARATUS possesses following beneficial effect:

this injection molding machine closing device, through setting up a novel closing device, through the setting of two hydro-cylinders, when one end piston rod can't produce hydraulic pressure and promote, the second hydro-cylinder continues to produce the work that hydraulic pressure promoted first piston and carry out the shifting die and the mode locking, guarantee that closing device can keep normal work, the hydro-cylinder through the minor diameter that sets up can obtain great compound die power, the speed of shifting die of closing device has been improved, the throughput of less hydro-cylinder, the manufacturing cost of reduction, closing device's life has been improved.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the hydraulic apparatus of the present invention;

fig. 3 is a schematic view of the structure of the pushing piston of the present invention.

In the figure: 1. a mold locking oil cylinder; 2. a mould moving oil cylinder; 3. a transverse pull spring; 4. a mold locking piston rod; 5. a mold moving piston rod; 6. moving the template; 7. horizontally pulling the transfer rod; 8. fixing the half mould; 9. fixing a template; 10. an oil storage bin; 11. a second piston; 12. a guard spring.

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. 1-3, in this embodiment: a mold closing device of an injection molding machine comprises a mold locking oil cylinder 1, wherein the upper side and the lower side of the mold locking oil cylinder 1 are fixedly connected with a mold moving oil cylinder 2, the interior of the mold locking oil cylinder 1 is in transmission connection with a transverse pull spring 3, one end of the transverse pull spring 3 is fixedly connected with a mold locking piston rod 4, one end of the mold locking piston rod 4 is fixedly connected with a movable mold plate 6, the interior of the mold moving oil cylinder 2 is in transmission connection with a mold moving piston rod 5, the outer side of the mold moving oil cylinder 2 is fixedly connected with a transverse pull transmission rod 7, the inner side of the movable mold plate 6 is fixedly connected with a fixed half mold 8, one end of the transverse pull transmission rod 7 is fixedly connected with a fixed mold plate 9, one side of the mold locking oil; when the mould is moved, the mould moving oil cylinder 2 starts to work, the mould moving piston rod 5 is pushed to move forwards or backwards by the pushing force generated by the internal hydraulic pressure of the mould moving oil cylinder 2, the fixed half mould 8 on the movable mould plate 6 is moved to the appointed position, the movable template 6 can move horizontally by pulling the transmission rod 7 horizontally, the movable template 6 and the fixed template 9 keep the same size and height, meanwhile, the mold locking piston rod 4 moves along with the mold moving piston rod 5, when mold locking is carried out, an oil cylinder in the mold locking oil cylinder 1 generates a hydraulic driving force to push the mold locking piston rod 4 to move forwards so as to close the movable mold plate 6 and the fixed mold plate 9, when the front end oil cylinder can not generate hydraulic driving force, the rear end oil cylinder continues to generate driving force, the second piston 11 pushes the transverse pull spring 3, the mode locking piston rod 4 is pushed to move forwards, and the movable die plate 6 and the fixed die plate 9 continue to perform mode locking work.

In the embodiment, a transverse pull transfer rod 7 is sleeved inside a movable template 6 in a transmission manner, the movable template 6 is fixedly connected with a mold locking piston rod 4 and a mold moving piston rod 5 through welding, the mold locking piston rod 4 and the mold moving piston rod 5 are connected inside a mold locking oil cylinder 1 and a mold moving oil cylinder 2 in a transmission manner, the mold locking piston rod 4 and the mold moving piston rod 5 are tightly connected through a closed connecting ring at the outer end of the mold locking oil cylinder 1 and the outer end of the mold moving oil cylinder 2, the movable template 6 is driven on the outer surface of the transverse pull transfer rod 7 through the mold locking piston rod 4 and the mold moving piston rod 5, a fixed template 9 is fixedly connected on the outer surface of the transverse pull transfer rod 7, the transverse pull spring 3 is fixedly sleeved with the mold locking piston rod 4, a second piston 11 is fixedly abutted against the transverse pull spring 3, hydraulic oil is stored inside an oil storage bin 10, the oil, the second piston 11 is fixedly sleeved with a protection spring 12; the mould locking piston rod 4 and the mould moving piston rod 5 can simultaneously push the movable mould plate 6, the movable mould plate 6 can horizontally move on the outer surface of the transverse pull transfer rod 7, and the double-oil-cylinder design ensures that the mould closing device can continuously generate a pushing force when the hydraulic device breaks down.

The utility model discloses a theory of operation and use flow: when the mold is moved, the mold moving oil cylinder 2 starts to work, the mold moving piston rod 5 is pushed to move forwards or backwards by the pushing force generated by the internal hydraulic pressure of the mold moving oil cylinder 2, the fixed half mold 8 on the movable mold plate 6 is moved to a specified position, the movable mold plate 6 can horizontally move through the transverse pull transmission rod 7, the movable mold plate 6 and the fixed mold plate 9 keep the same size and height, meanwhile, the mold locking piston rod 4 moves along with the mold moving piston rod 5, when the mold locking is carried out, the oil cylinder in the mold locking oil cylinder 1 generates the hydraulic pushing force to push the mold locking piston rod 4 to move forwards, the movable mold plate 6 and the fixed mold plate 9 are closed, when the front end oil cylinder cannot generate the hydraulic pushing force, the rear end oil cylinder continues to generate the pushing force to push the transverse pull spring 3 by the second piston 11, then the mold locking piston rod 4 is pushed to move forwards, so that the movable, through setting up a novel closing device, through the setting of two hydro-cylinders, when the unable hydraulic pressure that produces of one end piston rod promoted, the second hydro-cylinder continues to produce the work that hydraulic pressure promoted first piston and carry out the shifting die and the mode locking, guarantees that closing device can keep normal work, and the hydro-cylinder through the minor diameter that sets up can obtain great compound die power, has improved closing device's the speed of shifting the die, and the throughput of less hydro-cylinder, the manufacturing cost of reduction has improved closing device's life.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an injection molding machine closing device, includes mode locking hydro-cylinder (1), its characterized in that: the upper side and the lower side of the mould locking oil cylinder (1) are fixedly connected with a mould moving oil cylinder (2), the mould locking oil cylinder (1) is internally connected with a transverse pull spring (3) in a transmission way, one end of the transverse pull spring (3) is fixedly connected with a mold locking piston rod (4), one end of the mold locking piston rod (4) is fixedly connected with a movable mold plate (6), the inner part of the mould moving oil cylinder (2) is connected with a mould moving piston rod (5) in a transmission way, the outer side of the mould moving oil cylinder (2) is fixedly connected with a transverse pull transfer rod (7), a fixed half mould (8) is fixedly connected with the inner side of the movable mould plate (6), one end of the transverse pull transfer rod (7) is fixedly connected with a fixed mould plate (9), one side of the mode locking oil cylinder (1) is fixedly connected with an oil storage bin (10), a second piston (11) is connected in the mode locking oil cylinder (1) in a transmission way, one end of the second piston (11) is fixedly sleeved with a protection spring (12).

2. The mold clamping unit of an injection molding machine as claimed in claim 1, wherein: the transverse pull transfer rod (7) is sleeved inside the movable template (6) in a transmission manner, and the movable template (6) is fixedly connected with the mode locking piston rod (4) and the mode moving piston rod (5) through welding.

3. The mold clamping unit of an injection molding machine as claimed in claim 1, wherein: the mould locking piston rod (4) and the mould moving piston rod (5) are in transmission connection with the inner parts of the mould locking oil cylinder (1) and the mould moving oil cylinder (2), and the mould locking piston rod (4) and the mould moving piston rod (5) are in tight connection with the outer ends of the mould locking oil cylinder (1) and the mould moving oil cylinder (2) through closed connecting rings.

4. The mold clamping unit of an injection molding machine as claimed in claim 1, wherein: the movable mould plate (6) is driven on the outer surface of the transverse pull transfer rod (7) through a mould locking piston rod (4) and a mould moving piston rod (5), and the fixed mould plate (9) is fixedly connected on the outer surface of the transverse pull transfer rod (7).

5. The mold clamping unit of an injection molding machine as claimed in claim 1, wherein: the horizontal pull spring (3) is fixedly sleeved with the mold locking piston rod (4), and the second piston (11) is fixedly abutted against the horizontal pull spring (3).

6. The mold clamping unit of an injection molding machine as claimed in claim 1, wherein: the hydraulic oil is stored in the oil storage bin (10), and the oil storage bin (10) is connected with the inside of the mode locking oil cylinder (1) through a bottom compensation hole.

7. The mold clamping unit of an injection molding machine as claimed in claim 1, wherein: the protection spring (12) is fixedly connected with the inner wall of the mold locking oil cylinder (1), and the second piston (11) is fixedly sleeved with the protection spring (12).