CN213671878U

CN213671878U - Two roll squeezer plug hydraulic chuck

Info

Publication number: CN213671878U
Application number: CN202022854444.5U
Authority: CN
Inventors: 贾焕祥; 强晓阳
Original assignee: Wuxi Tengyue Special Steel Pipe Co ltd
Current assignee: Wuxi Tengyue Special Steel Pipe Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-13
Anticipated expiration: 2030-12-01

Abstract

The utility model provides a two roll squeezer plug hydraulic chuck, including the cylinder body, cylinder body one side two are forged and all are provided with first chuck, two first chucks all with cylinder body sliding connection, two first chucks are close to one side each other and all are provided with the second chuck, every second chuck all with correspond first chuck sliding connection, every second chuck all with cylinder body sliding connection, two first chucks are close to cylinder body one end top and all are provided with the fixed block, every fixed block all with correspond first chuck fixed connection, every fixed block is kept away from and is corresponded first chuck one side and all be provided with the hydraulic stem, beneficial effect is: the utility model has the advantages of being simple in structure and convenient in operation, the effectual improvement is to the tight dynamics of clamp of plug, and the setting of hydraulic stem can remove through shrink and extension drive first chuck, under the oblique slip effect of first chuck and second chuck, makes the second chuck press from both sides tightly the plug, and the setting of skid resistant course can effectual increase second chuck frictional force when to the plug centre gripping increases the fastening effect.

Description

Two roll squeezer plug hydraulic chuck

Technical Field

The utility model relates to a plug centre gripping equipment technical field, concretely relates to two roll squeezer plug hydraulic chuck.

Background

The core rod clamping device is an important component of the two rolling presses, the core rod is arranged on a core rod, and the core rod chuck plays a role in clamping and fixing the core rod.

The core rod chuck structure that current two roll squeezer used is complicated, overhauls the degree of difficulty big, and clamping device adopts the bolt more to tight mode, operates inconveniently, wastes time and energy, and the tight dynamics of clamp to the core rod is not enough moreover, leads to the core rod to appear becoming flexible in the use easily.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that current plug chuck structure is complicated, and the operation is inconvenient, to the not enough condition of plug clamping force, provides a two roll squeezer plug hydraulic chuck specially, makes it can effectual solution above-mentioned problem.

The utility model provides a technical scheme that technical problem adopted is: a two-roller press mandrel hydraulic chuck comprises a cylinder body, wherein two first chucks are arranged on one side of the cylinder body in a double-forging mode, the two first chucks are connected with the cylinder body in a sliding mode, second chucks are arranged on the sides, close to each other, of the two first chucks, each second chuck is connected with the corresponding first chuck in a sliding mode, each second chuck is connected with the cylinder body in a sliding mode, fixed blocks are arranged on the tops, close to one end of the cylinder body, of the two first chucks, each fixed block is fixedly connected with the corresponding first chuck, a hydraulic rod is arranged on one side, far away from the corresponding first chuck, of each fixed block, each hydraulic rod is fixedly connected with the inner wall of the cylinder body, the output end of each hydraulic rod is fixedly connected with the corresponding fixed block, fixed columns are arranged on the tops and the bottoms, close to the first chucks, of the inner wall of the cylinder body, and, every the fixed column is close to first chuck one side and all is provided with U-shaped location fixture block, every U-shaped location fixture block all with correspond fixed column fixed connection, every first chuck top is kept away from and is corresponded fixed block one side and all is provided with the gag lever post, every the gag lever post all with correspond first chuck fixed connection, every the gag lever post is close to fixed column one side top and all is provided with the location inserted block, every the location inserted block all with correspond gag lever post fixed connection, every the location inserted block all pegs graft with corresponding U-shaped location fixture block, the plug slot has been seted up at the cylinder body inner wall middle part, it has the plug body to peg slot interpolation.

As an optimal technical solution of the utility model: two one side that the second chuck is close to each other all is provided with the skid resistant course, every the skid resistant course all with corresponding second chuck fixed connection.

As an optimal technical solution of the utility model: two hydraulic stems are close to plug slot one side and all are provided with buffering inserted block, every buffering inserted block all with cylinder body inner wall fixed connection, every buffering inserted block inner wall is kept away from buffer lever one end and all is provided with the spring, every the spring all with correspond buffering inserted block fixed connection.

As an optimal technical solution of the utility model: every the spring is kept away from and is corresponded buffering inserted block one end all with corresponding buffer beam fixed connection, every the buffer beam all runs through and corresponds buffering inserted block and with corresponding buffering inserted block sliding connection.

The utility model has the advantages of it is following: the utility model has the advantages of being simple in structure and convenient in operation, the effectual tight dynamics of clamp that has improved the plug, the setting of hydraulic stem, can remove through shrink and extension drive first chuck, under the oblique slip effect of first chuck and second chuck, make the second chuck press from both sides tightly the plug, the setting of skid resistant course, frictional force when can effectual increase second chuck is to the plug centre gripping, increase fastening effect, the setting of location inserted block and U-shaped locating piece, can effectually carry on spacingly to first chuck, prevent that first chuck from rocking, the fastening effect of equipment has indirectly been increased.

Drawings

Fig. 1 is a schematic cross-sectional view of a hydraulic chuck for a mandrel of a two-roll press according to a preferred embodiment of the present invention before clamping;

fig. 2 is a schematic cross-sectional view of a two-roller press mandrel hydraulic chuck after clamping according to a preferred embodiment of the present invention.

Description of reference numerals: 1. a cylinder body; 2. a first chuck; 3. a second chuck; 4. an anti-slip layer; 5. a hydraulic lever; 6. a fixed block; 7. a limiting rod; 8. positioning the insert block; 9. fixing a column; 10. a U-shaped positioning fixture block; 11. buffering the insert block; 12. a buffer rod; 13. a spring; 14. a core rod slot; 15. a mandrel body.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

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 in specific cases to those skilled in the art.

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

Referring to fig. 1-2, a two-roller press mandrel hydraulic chuck comprises a cylinder body 1, wherein two first chucks 2 are arranged on one side of the cylinder body 1, the two first chucks 2 are slidably connected with the cylinder body 1, two second chucks 3 are arranged on the sides of the two first chucks 2 close to each other, each second chuck 3 is slidably connected with the corresponding first chuck 2, each second chuck 3 is slidably connected with the cylinder body 1, a fixing block 6 is arranged on the top of one end of each first chuck 2 close to the cylinder body 1, each fixing block 6 is fixedly connected with the corresponding first chuck 2, a hydraulic rod 5 is arranged on one side of each fixing block 6 far from the corresponding first chuck 2, each hydraulic rod 5 is fixedly connected with the inner wall of the cylinder body 1, the output end of each hydraulic rod 5 is fixedly connected with the corresponding fixing block 6, and a fixing column 9 is arranged on the top and the bottom of the inner wall of the cylinder body 1 close to the side of the first chucks 2, every fixed column 9 all with 1 inner wall fixed connection of cylinder body, every fixed column 9 is close to 2 one sides of first chuck and all is provided with U-shaped location fixture block 10, every U-shaped location fixture block 10 all with correspond fixed column 9 fixed connection, 2 tops of every first chuck are kept away from and are corresponded 6 one sides of fixed block and all be provided with gag lever post 7, every gag lever post 7 all with correspond 2 fixed connection of first chuck, every gag lever post 7 is close to 9 one side tops of fixed column and all is provided with location inserted block 8, every location inserted block 8 all with correspond gag lever post 7 fixed connection, every location inserted block 8 all pegs graft with corresponding U-shaped location fixture block 10, plug slot 14 has been seted up at 1 inner wall middle part of cylinder body, it has plug body 15 to peg slot 14 interpolation.

Two hydraulic stem 5 are close to plug slot 14 one side and all are provided with buffering inserted block 11, every buffering inserted block 11 all with 1 inner wall fixed connection of cylinder body, 11 inner walls of every buffering inserted block are kept away from buffering pole 12 one end and all are provided with spring 13, every spring 13 all with correspond 11 fixed connection of buffering inserted block, two second chucks 3 are close to one side each other and all are provided with skid resistant course 4, every skid resistant course 4 all with correspond 3 fixed connection of second chuck, every spring 13 keeps away from corresponding 11 one ends of buffering inserted block and all with corresponding 12 fixed connection of buffering pole, every buffering pole 12 all runs through corresponding buffering inserted block 11 and with corresponding 11 sliding connection of buffering inserted block.

Specifically, during the use, peg body 15 is pegged graft and is gone into in the plug slot 14 that cylinder body 1 seted up, then drive fixed block 6 through the shrink of hydraulic stem 5 and remove, fixed block 6 drives first chuck 2 and slides to cylinder body 1, under the slant sliding fit of first chuck 2 and second chuck 3, slide in first chuck 2 case cylinder body 1, extrude second chuck 3 downwards, make second chuck 3 slide to plug body 15, when location inserted block 8 inserts in U-shaped location fixture block 10 completely, hydraulic stem 5 stop work, two second chucks 3 accomplish the centre gripping of plug body 15 fixed this moment, increase the frictional force of second chuck 3 and plug body 15 through skid resistant course 4, when the clamp to plug body 15 is loosened to needs, only need through extend hydraulic stem 5 drive first chuck 2 reset can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Other parts not described in detail in the present invention belong to the prior art, and are not described herein again.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The two-roller press mandrel hydraulic chuck is characterized by comprising a cylinder body (1), wherein two first chucks (2) are arranged on one side of the cylinder body (1) in a double-forging mode, the two first chucks (2) are connected with the cylinder body (1) in a sliding mode, the two first chucks (2) are arranged on one sides close to each other and are provided with second chucks (3), each second chuck (3) is connected with the corresponding first chuck (2) in a sliding mode, each second chuck (3) is connected with the cylinder body (1) in a sliding mode, the tops of the ends, close to the cylinder body (1), of the two first chucks (2) are provided with fixing blocks (6), each fixing block (6) is fixedly connected with the corresponding first chuck (2), one side, far away from the corresponding first chuck (2), of each fixing block (6) is provided with a hydraulic rod (5), and each hydraulic rod (5) is fixedly connected with the inner wall of the cylinder body (1), the output end of each hydraulic rod (5) is fixedly connected with a corresponding fixed block (6), the top and the bottom of one side, close to the first chuck (2), of the inner wall of the cylinder body (1) are respectively provided with a fixed column (9), each fixed column (9) is fixedly connected with the inner wall of the cylinder body (1), one side, close to the first chuck (2), of each fixed column (9) is respectively provided with a U-shaped positioning fixture block (10), each U-shaped positioning fixture block (10) is fixedly connected with the corresponding fixed column (9), one side, far away from the corresponding fixed block (6), of the top of each first chuck (2) is respectively provided with a limiting rod (7), each limiting rod (7) is fixedly connected with the corresponding first chuck (2), one side, close to the fixed column (9), of each limiting rod (7) is respectively provided with a positioning insertion block (8), each positioning insertion block (8) is respectively fixedly connected with the corresponding limiting rod (7), each positioning insertion block (8) is inserted into a corresponding U-shaped positioning clamping block (10), a core rod insertion groove (14) is formed in the middle of the inner wall of the cylinder body (1), and a core rod body (15) is inserted into the core rod insertion groove (14).

2. Two-roller press mandrel hydraulic chuck according to claim 1, characterized in that the two second chucks (3) are provided with an anti-slip layer (4) on the side close to each other, and each anti-slip layer (4) is fixedly connected with the corresponding second chuck (3).

3. The two-roller press mandrel hydraulic chuck as claimed in claim 1, characterized in that the two hydraulic rods (5) are provided with buffer inserts (11) on the sides close to the mandrel slots (14), each buffer insert (11) is fixedly connected with the inner wall of the cylinder body (1), one end of the inner wall of each buffer insert (11) far away from the buffer rod (12) is provided with a spring (13), and each spring (13) is fixedly connected with the corresponding buffer insert (11).

4. A two-roller press mandrel hydraulic chuck according to claim 3, characterized in that one end of each spring (13) remote from the corresponding buffering insert (11) is fixedly connected with the corresponding buffering rod (12), and each buffering rod (12) penetrates through the corresponding buffering insert (11) and is slidably connected with the corresponding buffering insert (11).