CN212860203U

CN212860203U - Adjustable large-stroke cylinder

Info

Publication number: CN212860203U
Application number: CN202021364791.3U
Authority: CN
Inventors: 董鹏鹏
Original assignee: Youlipu Injection Molding Technology Kunshan Co ltd
Current assignee: Youlipu Injection Molding Technology Kunshan Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-02
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses an adjustable large stroke cylinder, including the cylinder body, the cylinder body lower extreme is equipped with the meson, and the inside needle that is used for installing the case that is equipped with of cylinder body is equipped with the core around the case top, and the core lower extreme is equipped with the supporting shoe, and the supporting shoe lower extreme is equipped with many first cup screws of being connected with the meson. The utility model has the advantages that: increased the screw thread section at the needle inner wall, conveniently changed the needle, need not to carry out the dismouting mediation to the cylinder body moreover, need not additionally purchase new accessory case or needle to reduce the waste of needle, practiced thrift the cost of enterprise, made the production efficiency of enterprise promote by a wide margin, reduced artificial intensity of labour simultaneously.

Description

Adjustable large-stroke cylinder

Technical Field

The utility model relates to a hot runner cylinder technical field specifically is an adjustable large stroke cylinder.

Background

The hot runner cylinder is the preceding power of hot runner system, it mainly is that the gas transmission of air pump is for the cylinder through the solenoid valve to drive the needle action through the cylinder, at present there is some customer to appear the condition that the needle wearing and tearing and play the jiao kou are beaten big in the production process, only can change a new accessory under the original condition, increased the mould repair cost like this intangibly, for more high efficiency and saving mould repair cost, need hot runner system to provide a more convenient and cost-effective replacement mode, the wearing and tearing of needle itself can not change and only change its length and reach the purpose, therefore the cylinder that the adjustable needle length of a section just becomes very necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustable big stroke cylinder to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable large-stroke cylinder comprises a cylinder body, wherein a meson is arranged at the lower end of the cylinder body, a valve needle used for installing a valve core is arranged in the cylinder body, a cylinder core is arranged around the top end of the valve core, a supporting block is arranged at the lower end of the cylinder core, and a plurality of first cup screws connected with the meson are arranged at the lower end of the supporting block.

Preferably, the periphery of the upper end of the valve needle is sequentially provided with an O-shaped movable seal and a pull rod seal from top to bottom.

Preferably, a plurality of headless screws are further arranged in the valve needle, and the headless screws are used for adjusting the valve needle.

Preferably, a bidirectional piston seal is arranged around the cylinder core.

Preferably, the supporting block is provided with an O-shaped ring and an O-shaped plane static pressure ring from top to bottom in sequence around the supporting block.

Preferably, the upper end and the lower end of the extension section around the lower end of the supporting block are respectively provided with a second cup head screw and an inner clamp which are connected with the cylinder body.

Preferably, a thread section with the length of 48mm is arranged around the inner wall of the valve needle.

Advantageous effects

The utility model provides an adjustable large stroke cylinder has increased the screw thread section at the needle inner wall, conveniently changes the needle, need not to carry out the dismouting mediation to the cylinder body moreover, need not additionally purchase new accessory case or needle to reduce the waste of needle, practiced thrift the cost of enterprise, the production efficiency who makes the enterprise promotes by a wide margin, has reduced artificial intensity of labour simultaneously.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention;

fig. 2 is a schematic cross-sectional view of the valve needle of the present invention.

Reference numerals

1-cylinder body, 2-valve core, 3-cylinder core, 4-headless screw, 5-supporting block, 6-meson, 7-first cup screw, 8-second cup screw, 9-bidirectional piston seal, 10-O type movable seal, 11-inner clamp, 12-O type ring, 13-O type plane static pressure ring, 14-pull rod seal and 15-valve needle.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Examples

As shown in fig. 1-2, the adjustable large-stroke cylinder comprises a cylinder body 1, wherein a meson 6 is arranged at the lower end of the cylinder body 1, a valve needle 15 for installing a valve core 2 is arranged inside the cylinder body 1, a cylinder core 3 is arranged around the top end of the valve core 2, a supporting block 5 is arranged at the lower end of the cylinder core 3, and a plurality of first cup screws 7 connected with the meson 6 are arranged at the lower end of the supporting block 5.

Preferably, the periphery of the upper end of the valve needle 15 is provided with an O-ring movable seal 10 and a pull rod seal 14 in sequence from top to bottom.

Preferably, a plurality of headless screws 4 are further disposed in the valve needle 15, and the headless screws 4 are used for adjusting the valve needle 15.

Preferably, a bi-directional piston seal 9 is provided around the core 3.

Preferably, the outer periphery of the supporting block 5 is provided with an O-ring 12 and an O-ring plane static pressure ring 13 in sequence from top to bottom.

Preferably, the upper end and the lower end of the extension section around the lower end of the supporting block 5 are respectively provided with a second cup head screw 8 and an inner clamp 11 which are connected with the cylinder body 1.

Preferably, a thread section with a length of 48mm is arranged around the inner wall of the valve needle 15.

The processed cylinder is provided with accessories such as a sealing element, an O-shaped ring, a plane static pressure ring, an inner clamp, a cup head screw, a piston seal and the like, then ventilation test is carried out for 24 hours continuously, no air leakage occurs after the test is finished, each valve needle moves smoothly, and the cylinder manufacturing process and the test are finished.

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 content of the present invention within the protection scope of the present invention.

Claims

1. The utility model provides an adjustable big stroke cylinder, includes cylinder body (1), its characterized in that: the improved cylinder is characterized in that a meson (6) is arranged at the lower end of the cylinder body (1), a valve needle (15) used for installing a valve core (2) is arranged inside the cylinder body (1), a cylinder core (3) is arranged around the top end of the valve core (2), a supporting block (5) is arranged at the lower end of the cylinder core (3), and a plurality of first cup head screws (7) connected with the meson (6) are arranged at the lower end of the supporting block (5).

2. The adjustable large stroke cylinder of claim 1 wherein: and an O-shaped ring movable seal (10) and a pull rod seal (14) are sequentially arranged around the upper end of the valve needle (15) from top to bottom.

3. The adjustable large stroke cylinder of claim 1 wherein: a plurality of headless screws (4) are further arranged in the valve needle (15), and the headless screws (4) are used for adjusting the valve needle (15).

4. The adjustable large stroke cylinder of claim 1 wherein: and a bidirectional piston seal (9) is arranged around the cylinder core (3).

5. The adjustable large stroke cylinder of claim 1 wherein: and an O-shaped ring (12) and an O-shaped plane static pressure ring (13) are sequentially arranged on the periphery of the supporting block (5) from top to bottom.

6. The adjustable large stroke cylinder of claim 5 wherein: and the upper end and the lower end of the extension section around the lower end of the supporting block (5) are respectively provided with a second cup head screw (8) and an inner clamp (11) which are connected with the cylinder body (1).

7. The adjustable large stroke cylinder of claim 1 wherein: and a thread section with the length of 48mm is arranged around the inner wall of the valve needle (15).