CN209869303U - Oil circuit system for injection mold - Google Patents
Oil circuit system for injection mold Download PDFInfo
- Publication number
- CN209869303U CN209869303U CN201920703762.6U CN201920703762U CN209869303U CN 209869303 U CN209869303 U CN 209869303U CN 201920703762 U CN201920703762 U CN 201920703762U CN 209869303 U CN209869303 U CN 209869303U
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- China
- Prior art keywords
- oil
- piston
- oil inlet
- injection mold
- movable mould
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an oil piping system for injection mold, including first movable mould and second movable mould, the lateral part fixed mounting of first movable mould has the piston cylinder, install the piston in the piston cylinder, one side fixedly connected with piston rod of piston, oil inlet and oil-out have been seted up respectively to the lateral part of piston cylinder, the oil inlet has the oil feed mouth through the oil inlet pipe intercommunication, the oil-out has the oil drain port through an oil pipe intercommunication, the oil feed mouth all sets up the lateral part at first movable mould with the oil drain port, the pressure reducing hole has been seted up on the upper portion of first movable mould, be provided with the relief pressure valve in the pressure reducing hole, the lateral part fixed mounting of second movable mould has the piston rod seat, the piston rod slides and pegs graft in the piston rod seat. The utility model discloses a this oil piping system can avoid high pressure fuel pipe to make high pressure cylinder touch and damage by other moulds or equipment in the removal handling of mould, guarantees the normal use and the production efficiency of mould.
Description
Technical Field
The utility model belongs to the technical field of injection mold, concretely relates to oil piping system for injection mold.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.
The oil circuit system of the traditional injection mold oil cylinder core pulling structure is characterized in that an oil inlet and an oil outlet are formed in the outer side of an oil cylinder, the high-pressure oil pipe is connected with an injection molding machine hydraulic system to control a core pulling mechanism of the oil cylinder, and the high-pressure oil pipe is exposed outside, so that the high-pressure oil cylinder is easily touched by other molds or equipment to be damaged in the moving and carrying process of the molds, and the molds cannot be normally used to influence the production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil piping system for injection mold, through this oil piping system, can avoid high pressure fuel pipe to make high pressure cylinder touch and damage by other moulds or equipment in the removal handling of mould, guarantee the normal use and the production efficiency of mould to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an oil piping system for injection mold, includes first movable mould and second movable mould, the lateral part fixed mounting of first movable mould has the piston cylinder, install the piston in the piston cylinder, one side fixedly connected with piston rod of piston, oil inlet and oil-out have been seted up respectively to the lateral part of piston cylinder, the oil inlet has the oil feeding port through advancing oil pipe intercommunication, the oil-out has the oil drain port through going out oil pipe intercommunication, the oil feeding port all sets up the lateral part at first movable mould with the oil drain port, the pressure reducing hole has been seted up on the upper portion of first movable mould, the downthehole relief pressure valve that is provided with of pressure reducing, the lateral part fixed mounting of second movable mould has the piston rod seat, the piston rod slides and pegs graft in the piston rod seat, advance oil pipe and go out the oil pipe setting in first movable mould, advance oil pipe and go.
Preferably, the side of the piston is provided with a first sealing ring.
Preferably, the one end of advancing oil pipe and the one end of going out oil pipe all are provided with the second sealing washer.
Preferably, the side wall of the piston is in sliding clearance fit with the inner side wall of the piston cylinder, and the clearance is not more than 0.1 mm.
Preferably, the oil inlet pipe and the oil outlet pipe are both provided with one-way valves.
Preferably, the pressure reduction hole is communicated with the side part of the oil inlet pipe, and the pressure reduction hole is vertically arranged with the oil inlet pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
through oil inlet and the oil-out repacking in the inboard with the piston cylinder outside advance oil pipe and go out the direct intercommunication of oil pipe in with first movable mould, and with the oil feeding mouth and the oil drain port intercommunication that first movable mould lateral part was seted up, through oil feeding mouth and oil drain port and injection molding machine hydraulic system's business turn over oil connecting pipe intercommunication, thereby stop before the production and the back mould of production avoid oil pipe to be damaged also to have avoided oil pipe to accomplish the production task under uninterruptedly operating mode in the unexpected damage messenger production of depositing the point from the mould deposit point to the position of injection molding machine, and the production efficiency is improved, and the energy consumption is saved, reduce maintenance personal's the number of times of tearing open, make manpower resources utilize better.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view of the oil outlet pipe of the present invention;
fig. 3 is a view showing the structure of the part a in fig. 1 according to the present invention.
In the figure: 1. a first movable mold; 2. a second movable mold; 3. a piston cylinder; 4. a piston; 5. a piston rod; 6. An oil inlet; 7. an oil outlet; 8. an oil inlet pipe; 9. an oil feeding port; 10. an oil outlet pipe; 11. an oil discharge port; 12. A pressure reduction well; 13. a pressure reducing valve; 14. a piston rod seat; 15. a first seal ring; 16. a second seal ring; 17. a one-way valve.
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, the present invention provides a technical solution:
an oil circuit system for an injection mold comprises a first movable mold 1 and a second movable mold 2, wherein a piston cylinder 3 is fixedly installed on the side portion of the first movable mold 1, a piston 4 is installed in the piston cylinder 3, a piston rod 5 is fixedly connected to one side of the piston 4, an oil inlet 6 and an oil outlet 7 are respectively formed in the side portion of the piston cylinder 3, the oil inlet 6 is communicated with an oil feeding port 9 through an oil inlet pipe 8, the oil outlet 7 is communicated with an oil discharging port 11 through an oil outlet pipe 10, the oil feeding port 9 and the oil discharging port 11 are both arranged on the side portion of the first movable mold 1, the oil feeding port 9 and the oil discharging port 11 are communicated with an oil feeding connecting pipe and discharging connecting pipe of an injection molding machine hydraulic system, a pressure reducing hole 12 is formed in the upper portion of the first movable mold 1, a pressure reducing valve 13 is arranged in the pressure reducing hole 12, a piston rod seat 14 is fixedly installed on the, the oil inlet pipe 8 and the oil outlet pipe 10 are integrated with the first movable die 1.
Further, the side part of the piston 4 is provided with a first sealing ring 15, and the arrangement of the first sealing ring 15 can ensure the sealing performance when the side wall of the piston 4 is matched with the inner wall of the piston cylinder 3 in a sliding clearance mode.
Further, the one end of advancing oil pipe 8 and the one end of going out oil pipe 10 all are provided with second sealing washer 16, through the setting of second sealing washer 16, can guarantee the leakproofness that piston cylinder 3 and advance oil pipe 8 and go out oil pipe 10 and be connected.
Furthermore, the side wall of the piston 4 is in sliding clearance fit with the inner side wall of the piston cylinder 3, the clearance is not more than 0.1mm, and the stability of the piston 4 during reciprocating motion can be ensured.
Further, all be provided with check valve 17 on advancing oil pipe 8 and the oil pipe 10, through the setting of check valve 17, can prevent the hydraulic oil backward flow.
Further, the pressure reduction hole 12 is linked together with the lateral part of the oil inlet pipe 8, and the pressure reduction hole 12 is vertically arranged with the oil inlet pipe 8, so that the pressure of the oil inlet pipe 8 can be relieved through the arrangement of the pressure reduction hole 12, and the first movable die 1 is prevented from being damaged due to overlarge pressure of the oil inlet pipe 8.
The structure principle is as follows: through the oil inlet 6 and the oil-out 7 repacking in the inboard of piston cylinder 3 with the oil inlet in the first movable mould 1, 8 with go out oil pipe 10 direct intercommunication, and with the oil feed port 9 and the oil drain port 11 intercommunication that first movable mould 1 lateral part was seted up, through oil feed port 9 and oil drain port 11 and injection molding machine hydraulic system's business turn over oil connecting pipe intercommunication, thereby stop before the production and after the production mould avoid oil pipe to be bruised from the mould to deposit the position of point to the injection molding machine and avoided oil pipe to also avoid the unexpected bruise of oil pipe at the point of depositing to make production accomplish the production task under uninterruptedly operating mode, and the efficiency of production is improved, and the energy consumption is saved, reduce maintenance person's the number of times of tearing open and tear, make the manpower resources obtain better.
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 (6)
1. The utility model provides an oil piping system for injection mold, includes first movable mould (1) and second movable mould (2), its characterized in that: the side part of the first movable die (1) is fixedly provided with a piston cylinder (3), a piston (4) is arranged in the piston cylinder (3), one side of the piston (4) is fixedly connected with a piston rod (5), the side part of the piston cylinder (3) is respectively provided with an oil inlet (6) and an oil outlet (7), the oil inlet (6) is communicated with an oil delivery port (9) through an oil inlet pipe (8), the oil outlet (7) is communicated with an oil discharge port (11) through an oil outlet pipe (10), the oil delivery port (9) and the oil discharge port (11) are both arranged on the side part of the first movable die (1), the upper part of the first movable die (1) is provided with a pressure reducing hole (12), a pressure reducing valve (13) is arranged in the pressure reducing hole (12), the side part of the second movable die (2) is fixedly provided with a piston rod seat (14), and the piston rod (5) is slidably, the oil inlet pipe (8) and the oil outlet pipe (10) are arranged in the first movable die (1), and the oil inlet pipe (8) and the oil outlet pipe (10) are integrated with the first movable die (1).
2. The oil piping system for an injection mold according to claim 1, characterized in that: the side of the piston (4) is provided with a first sealing ring (15).
3. The oil piping system for an injection mold according to claim 1, characterized in that: and one end of the oil inlet pipe (8) and one end of the oil outlet pipe (10) are both provided with a second sealing ring (16).
4. The oil piping system for an injection mold according to claim 1, characterized in that: the side wall of the piston (4) is in sliding clearance fit with the inner side wall of the piston cylinder (3), and the clearance is not larger than 0.1 mm.
5. The oil piping system for an injection mold according to claim 1, characterized in that: the oil inlet pipe (8) and the oil outlet pipe (10) are both provided with one-way valves (17).
6. The oil piping system for an injection mold according to claim 1, characterized in that: the pressure reducing hole (12) is communicated with the side part of the oil inlet pipe (8), and the pressure reducing hole (12) is perpendicular to the oil inlet pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920703762.6U CN209869303U (en) | 2019-05-15 | 2019-05-15 | Oil circuit system for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920703762.6U CN209869303U (en) | 2019-05-15 | 2019-05-15 | Oil circuit system for injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209869303U true CN209869303U (en) | 2019-12-31 |
Family
ID=68965198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920703762.6U Expired - Fee Related CN209869303U (en) | 2019-05-15 | 2019-05-15 | Oil circuit system for injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209869303U (en) |
-
2019
- 2019-05-15 CN CN201920703762.6U patent/CN209869303U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210515 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |