CN217080965U

CN217080965U - High-stability hot runner cylinder

Info

Publication number: CN217080965U
Application number: CN202220526764.4U
Authority: CN
Inventors: 裴志军; 王俊
Original assignee: Yirunte Industrial Intelligent Technology Suzhou Co ltd
Current assignee: Yirunte Industrial Intelligent Technology Suzhou Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-29
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a high-stability hot runner cylinder, which comprises a cylinder body, an inner cavity is arranged in the cylinder body, an oil inlet and an oil outlet are arranged on one side of the cylinder body, a stroke pipeline is symmetrically arranged below the cylinder body, a piston is arranged in the inner cavity in a sliding way, movable rods are symmetrically arranged below the piston, supporting slideways are symmetrically arranged on two sides of the stroke pipeline, sliding blocks are symmetrically arranged on two sides of the movable rods, the sliding blocks are arranged in the supporting slideways in a sliding way, an upper spring is arranged above the supporting slideways, a lower spring is arranged below the supporting slideways, when the movable rods move up and down under the action of the piston, the sliding blocks which are symmetrically arranged on two sides are limited, then under the action of the upper spring and the lower spring, the stability of the movable rods and the timeliness of the reset of the movable rods can be ensured, secondly, the supporting slideways which are symmetrically arranged on two sides of the stroke pipeline can limit the sliding blocks, guarantee that the movable rod can not take place the skew at flexible in-process, improved the stability of movable rod.

Description

High-stability hot runner cylinder

Technical Field

The utility model relates to a cylinder technical field, concretely relates to hot runner cylinder of high stability.

Background

The patent of the invention with the publication number of CN107457965A discloses a valve needle type hot runner cylinder, which comprises a piston, a cylinder body and a valve needle extending longitudinally, wherein the piston is longitudinally movably arranged in the cylinder body and drives the valve needle to move longitudinally; the valve needle type hot runner cylinder further comprises a support frame and an adjusting piece, wherein the adjusting piece can be operatively arranged between the support frame and the cylinder body, and when the adjusting piece is operated, the cylinder body moves longitudinally relative to the support frame so as to adjust the maximum extending length of the free end of the valve needle relative to the support frame. The setting of regulating part makes cylinder body can reciprocate relatively the support frame to the maximum extension of adjusting the needle relative the support frame solves its length overlength or too short and unusable problem that leads to because of thermal expansion, manufacturing defect or use wearing and tearing. Compared with the prior art, the plastic product quality is improved, the waste of resources is avoided, and the service life of the valve needle is prolonged.

However, the hot runner cylinder has low stability in the use process, and the piston has large movement space, so that the hot runner cylinder is easy to deviate and influences the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot runner cylinder of high stability to solve problem in the above-mentioned background.

The purpose of the utility model can be realized by the following technical scheme:

a high-stability hot runner cylinder comprises a cylinder body, wherein an inner cavity is formed in the cylinder body, an oil inlet and an oil outlet are formed in one side of the cylinder body, stroke pipelines are symmetrically formed below the cylinder body and are in through connection with the inner cavity, a piston is arranged in the inner cavity in a sliding mode, movable rods are symmetrically arranged below the piston and are arranged in the stroke pipelines in a sliding mode;

the bilateral symmetry of stroke pipeline has seted up the support slide, the bilateral symmetry of movable rod is provided with the sliding block, the sliding block slides and sets up in supporting the slide, the top of supporting the slide is provided with the spring, the below of supporting the slide is provided with down the spring.

As a further aspect of the present invention: the side of piston has seted up main seal groove and vice seal groove, be provided with the primary seal circle in the main seal groove, be provided with vice sealing washer in the vice seal groove.

As a further aspect of the present invention: and a sealing gasket is arranged above the stroke pipeline.

As a further aspect of the present invention: the top of piston is the rectangular array and has seted up a plurality of dashpots, it is provided with the buffer block to slide in the dashpot, the inside of dashpot is provided with buffer spring.

As a further aspect of the present invention: the cylinder body is characterized in that a base is arranged above the cylinder body, and a plurality of fixing bolts are connected to the base in a rectangular array threaded manner.

As a further aspect of the present invention: the oil inlet is located above the oil outlet, and the oil inlet and the oil outlet are respectively communicated with the inner cavity.

The utility model has the advantages that:

the utility model discloses in, set up the support slide at the bilateral symmetry of stroke pipeline, bilateral symmetry at the movable rod sets up the sliding block, slide the sliding block and set up in the support slide, top at the support slide sets up the spring, below at the support slide sets up down the spring, when the movable rod carries out the up-and-down motion under the effect of piston, the sliding block that sets up through bilateral symmetry carries on spacingly, then under the effect of last spring and lower spring, can guarantee the stability of movable rod, secondly guarantee the promptness that the movable rod resets, in addition, in the course of the work, the support slide that the bilateral symmetry of stroke pipeline set up can carry on spacingly to the sliding block, guarantee that the movable rod can not take place the skew at flexible in-process, the stability of movable rod has been improved.

In addition, be the rectangle array in the top of piston and seted up a plurality of dashpots, it is provided with the buffer block to slide in every dashpot, the inside of dashpot is provided with buffer spring, after this cylinder is at the work completion, because the quick pressure release of fluid, probably lead to the piston to reset fast, can not take place great collision with the cylinder body when resetting fast in order to guarantee the piston, through setting up the buffer block, can reduce the collision of piston and cylinder body effectively, improved the life of this cylinder.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the buffer spring and the buffer block of the present invention;

fig. 4 is a schematic top view of the overall structure of the present invention.

In the figure: 1. a cylinder body; 10. an inner cavity; 11. an oil inlet; 12. an oil outlet; 13. a travel conduit; 14. a support slide; 141. a lower spring; 142. an upper spring; 2. a base; 21. fixing the bolt; 3. a piston; 30. a main seal groove; 300. a secondary seal groove; 31. a movable rod; 311. a slider; 32. a buffer block; 320. a buffer tank; 321. a buffer spring; 4. a primary seal ring; 5. a secondary seal ring; 6. and a gasket.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the utility model relates to a high-stability hot runner cylinder, including a cylinder body 1, an inner chamber 10 is provided in the cylinder body 1, an oil inlet 11 and an oil outlet 12 are provided at one side of the cylinder body 1, the oil inlet 11 is located above the oil outlet 12 and is respectively communicated with the inner chamber 10, a stroke pipeline 13 is symmetrically provided below the cylinder body 1, the stroke pipeline 13 is communicated with the inner chamber 10, a piston 3 is slidably provided in the inner chamber 10, a movable rod 31 is symmetrically provided below the piston 3, and the movable rod 31 is slidably provided in the stroke pipeline 13;

next, as shown in fig. 2, the support slide ways 14 are symmetrically provided on both sides of the travel duct 13, the slide blocks 311 are symmetrically provided on both sides of the movable rod 31, the slide blocks 311 are slidably provided in the support slide ways 14, the upper spring 142 is provided above the support slide ways 14, the lower spring 141 is provided below the support slide ways 14, when the movable rod 31 moves up and down under the action of the piston 3, the slide blocks 311 symmetrically provided on both sides are used for limiting, then the stability of the movable rod 31 can be ensured under the action of the upper spring 142 and the lower spring 141, and then the timeliness of the return of the movable rod 31 is ensured.

Referring to fig. 3, a main seal groove 30 and an auxiliary seal groove 300 are formed in the side surface of the piston 3, wherein a main seal ring 4 is arranged in the main seal groove 30, and an auxiliary seal ring 5 is arranged in the auxiliary seal groove 300, so that the condition that oil on the upper side and the lower side of the piston 3 cannot interact with each other in the working process of the cylinder is ensured, and the stability of the operation of the cylinder is ensured.

Referring to fig. 2, a gasket 6 is provided above the stroke pipe 13 to prevent leakage of oil.

Referring to fig. 3, be rectangular array in the top of piston 3 and seted up a plurality of dashpot 320, it is provided with buffer block 32 to slide in every dashpot 320, the inside of dashpot 320 is provided with buffer spring 321, after this cylinder is at the work, because the quick pressure release of fluid, probably lead to piston 3 to reset fast, can not take place great collision with cylinder body 1 when resetting fast in order to guarantee piston 3, through setting up buffer block 32, can reduce the collision of piston 3 and cylinder body 1 effectively, the life of this cylinder has been improved.

In addition, referring to fig. 4, a base 2 is disposed above the cylinder body 1, and a plurality of fixing bolts 21 are screwed on the base 2 in a rectangular array for ensuring the stability of the cylinder in use.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The high-stability hot runner cylinder comprises a cylinder body (1), and is characterized in that an inner cavity (10) is formed in the cylinder body (1), an oil inlet (11) and an oil outlet (12) are formed in one side of the cylinder body (1), stroke pipelines (13) are symmetrically formed below the cylinder body (1), the stroke pipelines (13) are communicated with the inner cavity (10), a piston (3) is slidably arranged in the inner cavity (10), movable rods (31) are symmetrically arranged below the piston (3), and the movable rods (31) are slidably arranged in the stroke pipelines (13);

support slide (14) have been seted up to the bilateral symmetry of stroke pipeline (13), the bilateral symmetry of movable rod (31) is provided with sliding block (311), sliding block (311) slide and set up in support slide (14), the top of support slide (14) is provided with spring (142), the below of support slide (14) is provided with down spring (141).

2. The high-stability hot runner cylinder according to claim 1, wherein a main seal groove (30) and an auxiliary seal groove (300) are formed in the side surface of the piston (3), a main seal ring (4) is disposed in the main seal groove (30), and an auxiliary seal ring (5) is disposed in the auxiliary seal groove (300).

3. A high stability hot runner cylinder according to claim 1, characterized in that a gasket (6) is provided above the stroke conduit (13).

4. The high-stability hot runner cylinder according to claim 1, wherein a plurality of buffer grooves (320) are formed above the piston (3) in a rectangular array, buffer blocks (32) are slidably arranged in the buffer grooves (320), and buffer springs (321) are arranged in the buffer grooves (320).

5. The high-stability hot runner cylinder according to claim 1, wherein a base (2) is arranged above the cylinder body (1), and a plurality of fixing bolts (21) are screwed on the base (2) in a rectangular array.

6. The high-stability hot runner cylinder according to claim 1, wherein the oil inlet (11) is located above the oil outlet (12), and the oil inlet (11) and the oil outlet (12) are respectively connected with the inner cavity (10) in a penetrating manner.