CN211277546U

CN211277546U - Equal-expansion type clamping mandrel tool

Info

Publication number: CN211277546U
Application number: CN201921786671.XU
Authority: CN
Inventors: 王季明; 刘庆丰; 耿大超
Original assignee: Jiangsu Fuguang Machinery Manufacturing Co ltd
Current assignee: Jiangsu Fuguang Machinery Manufacturing Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-08-18
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses an it presss from both sides tight dabber frock to wait to rise formula belongs to the tight dabber field of clamp, including gasket, plunger, body, sleeve, plug screw and end cover, the sleeve is installed in the outside of body, and it has the plastic layer to fill between sleeve and the body, installs the work piece in the middle of the telescopic outside, and the end cover is installed in the left side of body, and end cover and the integrative casting of body form, and the plunger is installed to the centre of end cover, and the end cover is run through to the left and right sides of plunger, installs the plunger bushing between plunger and the body, and hexagonal screw in a plurality of seconds is installed to the equipartition on the left side terminal surface of end cover, installs the plug screw in the middle of. The utility model discloses a change sleeve mechanism into the whole area design that rises of integral type to waistband position and broadband all are on the area that rises under the assurance, thereby reach the stable dimension uniformity of pressing from both sides tight work piece postprocessing, can increase substantially the processing qualification rate of work piece.

Description

Equal-expansion type clamping mandrel tool

Technical Field

The utility model belongs to press from both sides tight dabber field, specifically a wait that rises formula and press from both sides tight dabber frock.

Background

The clamping mandrel is moved through an internal mechanism to enable the surface of an outer circle to generate expansion movement, so that the hole of a clamped part is expanded to achieve the purposes of positioning and fastening.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an it presss from both sides tight dabber frock to wait to rise to solve the problem that proposes in 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 equal expansion type clamping mandrel tool, includes gasket, plunger, body, sleeve, plug screw and end cover, the sleeve is installed in the outside of body, it has the plastic layer to fill between sleeve and the body, install the work piece in the middle of the telescopic outside, the end cover is installed in the left side of body, the integrative casting of end cover and body forms, the plunger is installed to the centre of end cover, the end cover is run through to the left and right sides of plunger, install the plunger bushing between plunger and the body, a plurality of second hexagon socket head cap screws are installed to the equipartition on the left side terminal surface of end cover, the position of first hexagon socket head cap screw and second hexagon socket head cap screw staggers each other, install the plug screw in the middle of the right side of body.

As a further aspect of the present invention: the plunger sleeve is fixedly connected with the body through a first socket head cap screw.

As a further aspect of the present invention: a plurality of screws are uniformly arranged at the edge of the end cover.

As a further aspect of the present invention: and a gasket is arranged on the left side of the screw.

As a further aspect of the present invention: the number of the first inner hexagon screws is twice that of the second inner hexagon screws.

Compared with the prior art, the utility model discloses a plastic layer that sets up can increase the wall thickness surplus of the cover that rises between sleeve and the body, through changing sleeve mechanism into the integral type whole area design that rises to waistband position and broadband are all on the area that rises under the assurance, thereby reach the stable in size uniformity of pressing from both sides tight work piece postprocessing, can increase substantially the processing qualification rate of work piece.

Drawings

Fig. 1 is a schematic structural view of an equal expansion type clamping mandrel tool.

Fig. 2 is a schematic structural diagram of a sleeve in an equal expansion type clamping mandrel tool.

In the figure: 1. a gasket; 2. a screw; 3. a first socket head cap screw; 4. a plunger; 5. a plunger sleeve; 6. a second socket head cap screw; 7. a body; 8. a sleeve; 9. a third socket head cap screw; 10. a plug screw; 11. a workpiece; 12. a plastic layer; 13. and (4) end covers.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-2, an equal expansion type clamping mandrel tool includes a gasket 1, a plunger 4, a body 7, a sleeve 8, a plug screw 10 and an end cap 13; the outer side of the body 7 is provided with a sleeve 8, a plastic layer 12 is filled between the sleeve 8 and the body 7, the wall thickness allowance of the expansion sleeve between the sleeve 8 and the body 7 can be increased by arranging the plastic layer 12, a workpiece 11 is arranged in the middle of the outer side of the sleeve 8, an end cover 13 is arranged on the left side of the body 7, the end cover 13 and the body 7 are integrally cast, a plunger 4 is arranged in the middle of the end cover 13, the left side and the right side of the plunger 4 penetrate through the end cover 13, a plunger sleeve 5 is arranged between the plunger 4 and the body 7, the plunger sleeve 5 and the body 7 are fixedly connected through a first inner hexagonal screw 3, a plurality of screws 2 are uniformly arranged on the edge of the end cover 13, a gasket 1 is arranged on the left side of each screw 2, a plurality of second inner hexagonal screws 6 are uniformly arranged on the left end face of the end cover 13, the number of the first inner hexagonal screws 3 is twice that of, the middle of the right side of the body 7 is provided with a plug screw 10, and the edge of the right side of the body 7 is uniformly provided with a plurality of third socket head cap screws 9.

The utility model discloses a theory of operation is: the plunger sleeve 5 is firstly installed on the left side of the body 7 through the first hexagon socket head cap screw 3, then the plunger 4 is installed in the plunger sleeve 5, the sleeve 8 is inserted on the outer side of the body 7, then the plastic layer 12 is injected between the sleeve 8 and the body 7, and the screw plug 10 is installed on the right side of the body 7.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" 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 connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An equal expansion type clamping mandrel tool comprises a gasket (1), a plunger (4), a body (7), a sleeve (8), a plug screw (10) and an end cover (13), and is characterized in that the sleeve (8) is installed on the outer side of the body (7), a plastic layer (12) is filled between the sleeve (8) and the body (7), a workpiece (11) is installed in the middle of the outer side of the sleeve (8), the end cover (13) is installed on the left side of the body (7), the end cover (13) and the body (7) are integrally cast, the plunger (4) is installed in the middle of the end cover (13), the end cover (13) is penetrated through the left side and the right side of the plunger (4), a plunger sleeve (5) is installed between the plunger (4) and the body (7), a plurality of second hexagon socket head screws (6) are uniformly distributed and installed on the left side end face of the end cover (13), the positions of the first hexagon head screw (3, the middle of the right side of the body (7) is provided with a screw plug (10), and the edge of the right side of the body (7) is uniformly provided with a plurality of third socket head cap screws (9).

2. The tool of claim 1, wherein the plunger sleeve (5) is fixedly connected with the body (7) through a first socket head cap screw (3).

3. The tool of claim 1, wherein a plurality of screws (2) are uniformly arranged on the edge of the end cover (13).

4. The tool of claim 3, wherein a gasket (1) is mounted on the left side of the screw (2).

5. The tool of claim 1, wherein the number of the first socket head cap screws (3) is twice that of the second socket head cap screws (6).