CN216912813U - Axial extrusion device - Google Patents

Abstract

The utility model discloses an axial extrusion device, which comprises a hose assembly, a main shell, a piston assembly, a sealing element and an end cover, wherein one end of the hose assembly is connected with a power source, and the other end of the hose assembly is connected with the left side of the main shell through threads; the piston assembly is arranged in the main shell, the piston assembly is sealed through a sealing piece, and the end cover is arranged on the main shell. The utility model discloses a can realize anytime and anywhere extrusion operation, utilize the spring to kick-back and make piston rod self return, piston rod return speed is fast, can guarantee the quick product extrusion installation work of going on next time.

Description

Axial extrusion device

Technical Field

The utility model relates to the technical field of axial extrusion, in particular to an axial extrusion device.

Background

The axial extrusion technology is mainly used for connecting high-pressure hydraulic conduits, and the axial extrusion joint and the conduits are plastically deformed by an extrusion tool so as to achieve the effect of sealing connection between the pipe joint and the conduits. The conventional extrusion technology mostly adopts a multi-component matching mode, and extrusion is realized under the action of other thrust mechanisms through the guidance of the pipe sleeve; if the two ends of the conduit need to be extruded simultaneously, a plurality of persons are required to cooperate to respectively apply extrusion force on the two sides of the extrusion position so as to achieve the purpose of extrusion; the condition of uneven pressure is easily caused in the matching process, the obtained product has low qualification rate, low processing efficiency and poor maintainability; in order to solve the problems of quick installation of axial extrusion and reduction of the requirements of installation, maintenance and use environments, the utility model provides an axial extrusion device.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an axial extrusion device, the axial extrusion device can realize extrusion operation at any time and any place, the piston rod automatically returns by utilizing the springback of the spring, the return speed of the piston rod is high, and the next product extrusion installation work can be rapidly carried out.

The purpose of the utility model is realized by adopting the following technical scheme:

an axial extrusion device comprises a hose assembly, a main shell, a piston assembly, a sealing element and an end cover,

one end of the hose assembly is connected with the power source, the other end of the hose assembly is connected with the left side of the main shell through threads,

the piston assembly comprises a bearing, a piston rod, a plunger and a spring, the bearing is arranged outside the piston rod and the plunger, a cavity is formed between the piston rod and the end cover, the spring is arranged in the cavity, and the plunger is arranged in front of the piston rod;

the piston assembly is arranged in the main shell and is sealed by a sealing element,

the end cap is disposed on the main housing.

The actuating process is as follows: when the power source pushes the piston assembly to move through the hose assembly, the piston pushes the extrusion ring to move, the joint body is gradually and radially extruded in the moving process of the extrusion ring, and the joint body gradually and radially extrudes the guide pipe, so that the joint body and the guide pipe generate plastic deformation to form stable connection. When the power source is disconnected, the piston assembly rebounds due to the spring and then returns to the initial position.

Further, the main casing body adopts the multistage formula structure, can include anterior segment, middle section, back end, the anterior segment tip is provided with the interface of being connected with the power supply, and the middle section is used for installing piston assembly, and the back end passes through threaded connection with the end cover.

Furthermore, a large groove is formed in the middle section of the main shell, and the distance between the left end face and the right end face of the groove is used as the movement stroke of the piston assembly; the left and right end faces of the recess may be the interfaces of the segments of the main housing.

Further, the sealing element is a rubber sealing ring.

Furthermore, one end of the piston rod is inwards recessed to form a cylindrical hole, one end of the end cover is inwards recessed to form a cylindrical hole, and the two cylindrical holes are arranged oppositely.

Compared with the prior art, the utility model has the beneficial effects that:

1. the extrusion device has compact structure, small volume and light weight;

2. the extrusion device is convenient to carry, and can realize extrusion operation at any time and any place;

3. the quick connection with a power source can be realized through the quick-change hose assembly, and the quick installation of multiple specifications can be realized through the replacement of extrusion tools with different specifications;

4. the piston rod is automatically returned by the aid of springback of the spring, the return speed of the piston rod is high, and next product extrusion and installation work can be guaranteed to be performed quickly;

5. the modularized design is adopted, the assembly and the disassembly are convenient and quick, and the maintenance and the repair of the device are convenient.

The utility model is described in further detail below with reference to the drawings and the detailed description.

Drawings

FIG. 1 is a schematic view of the structure of an axial compression apparatus according to the present invention.

In the figure: 1. a hose assembly; 2. a main housing; 3. a seal member; 4. a bearing; 5. a piston; 6. a piston rod; 7. a plunger; 8. a spring; 9. and (4) end covers.

Detailed Description

The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.

An axial extrusion device as shown in fig. 1 comprises a hose assembly 1, a main shell 2, a piston assembly, a sealing element 3 and an end cover 9, wherein the end cover 9 is arranged on the main shell 2, and the main shell 2 and the end cover 9 can be fixed through threaded connection, so that the installation and maintenance are convenient.

Hose assembly 1 one end is connected with the power supply, and the other end passes through the screw thread to be connected with main casing body 2 left side, and piston assembly includes bearing 4, piston 5, piston rod 6, plunger 7, spring 8, and bearing 4 sets up in the outside of piston rod 6 and plunger 7, piston rod 6 with vacuole formation between the end cover 9 specifically is the inside sunken cylindrical hole that forms of one end of piston rod 6, the inside sunken cylindrical hole that forms of end cover 9 one end, two relative settings in cylindrical hole. The spring 8 is arranged in the cavity 8, and the plunger 7 is arranged in front of the piston rod 6; piston assembly sets up in main casing body, and piston assembly builds the upper end and seals through sealing member 3, and sealing member 3 is rubber seal to guarantee sealed effect.

In a specific implementation process, the main housing 2 adopts a multi-section structure and can at least comprise a front section, a middle section and a tail section, wherein an interface connected with a power source is arranged at the end part of the front section, and the end part of the tail end is connected with the end cover 9; optionally a threaded connection, to facilitate assembly.

Meanwhile, it can also be implemented that the middle section of the main housing 2 is provided with a large groove, and the distance between the left end face and the right end face of the groove is used as the movement stroke of the piston assembly; specifically, the upper end face of the piston 5 is respectively provided with a joint body and an extrusion ring at the left and right movement limit positions of the piston 5 in the piston assembly, so that the extrusion press mounting of other structures in the axial direction is realized. In the press fitting process, the upper end face of the front section of the main shell (2) is set to be a conical surface in consideration of structural diversity, so that the interference between the extruding device and an object to be extruded is reduced as much as possible.

Connecting the quick-change hose assembly with a power source, wherein a pushing medium in the power source can be air or fluid and corresponds to a hydraulic pressure source or a pneumatic pressure source; the medium of the power source enters the cavity of the main shell through the quick-change hose assembly to push the piston assembly to move axially, at the moment, the joint body and the extrusion ring move relatively axially, the extrusion ring gradually and radially extrudes the joint body, and the joint body gradually and radially extrudes the conduit to cause plastic deformation of the joint body and the conduit, so that sealed connection is formed. The power source stops working, the power source is no longer provided for the main shell, and the device stops working; at the moment, the piston rod is driven to reset by the automatic return of the spring, and the next workpiece is prepared to be axially extruded and mounted.

The above embodiments are only preferred embodiments of the present invention, and in the implementation process, each embodiment may not be adopted at the same time, and all the details are regarded as the conventional technical means or common general knowledge in the field; the protection scope of the present invention should not be limited by the above description, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are intended to be covered by the claims.

Claims (8)

1. An axial extrusion device, includes hose assembly (1), main casing (2), piston assembly, sealing member (3), end cover (9), its characterized in that:

one end of the hose assembly (1) is connected with a power source, the other end is connected with the left side of the main shell (2) through threads,

the piston assembly comprises a bearing (4), a piston (5), a piston rod (6), a plunger (7) and a spring (8), the bearing (4) is arranged outside the piston rod (6) and the plunger (7), a cavity is formed between the piston rod (6) and the end cover (9), the spring (8) is arranged in the cavity, and the plunger (7) is arranged in front of the piston rod (6);

the piston assembly is arranged in the main shell and is sealed by a sealing element (3),

the end cover (9) is arranged on the main shell (2).

2. The axial compression device of claim 1, wherein: one end of the piston rod (6) is inwards sunken to form a cylindrical hole, one end of the end cover (9) is inwards sunken to form a cylindrical hole, and the two cylindrical holes are arranged oppositely.

3. The axial compression device of claim 1, wherein: the power source is a hydraulic pressure source or a pneumatic pressure source, and air or fluid flows through the power source.

4. The axial compression device of claim 1, wherein: the main shell (2) at least comprises a front section, a middle section and a tail section, wherein the end part of the front section is provided with an interface connected with a power source, and the end part of the tail section is connected with the end cover (9).

5. The axial compression device of claim 4, wherein: the middle section of the main shell (2) is provided with a large groove, and the distance between the left end face and the right end face of the groove is used as the movement stroke of the piston assembly.

6. The axial compression device of claim 4, wherein: the upper end face of the front section of the main shell (2) is a conical surface.

7. The axial compression device of claim 4, wherein: the main shell (2) is connected with the end cover (9) through threads.

8. The axial compression device of claim 1, wherein: the sealing element (3) is a rubber sealing ring.

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