CN218193760U - Precise cutter clamping barrel - Google Patents
Precise cutter clamping barrel Download PDFInfo
- Publication number
- CN218193760U CN218193760U CN202222730979.0U CN202222730979U CN218193760U CN 218193760 U CN218193760 U CN 218193760U CN 202222730979 U CN202222730979 U CN 202222730979U CN 218193760 U CN218193760 U CN 218193760U
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- China
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- collet
- holder
- ball support
- movable block
- balls
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Abstract
The utility model discloses an accurate double-layered knife section of thick bamboo, including cutter and adjustable base, install adjustable movable block in the adjustable base, a collet holder is installed to one side of adjustable movable block, installs the ball support in the collet holder, and a plurality of balls are installed to the inboard of ball support, installs the collet chuck in the collet holder, and the opposite side of collet chuck is installed and is contacted with the ball in the ball support, and the spring holder is installed to the opposite side of adjustable movable block, installs multistage gas-liquid loose clamp mechanism in the spring holder, and the output of multistage gas-liquid loose clamp mechanism is connected with one side of collet chuck. The utility model discloses a linear bearing's design principle adopts the zero letter clearance fit of delicate ball to realize between collet chuck and collet chuck seat, because the intervention of ball, just calculate the up-and-down motion that zero letter clearance fit also can be smooth, when guaranteeing to press from both sides tight handle of a knife, concentric coaxial unchangeable or change very little.
Description
Technical Field
The utility model belongs to the technical field of press from both sides a sword section of thick bamboo, concretely relates to accurate a sword section of thick bamboo that presss from both sides.
Background
The tool clamping cylinder is one of main accessories in the electric tool industry and the machine tool industry, is widely applied to electric hand drills and drilling machines, in the modern industry, the conditions of using tools are more and more, the precision errors of the tools which are clamped for multiple times and are not concentric and not coaxial are easy to occur when the tools are replaced, a clamp with zero errors or extremely small errors of multiple times and clamping is needed, and the existing collet chuck technology does not realize zero simple gaps due to the matching of the collet chuck and a hole, so that after up-and-down movement, the concentricity generates deviation, the concentric and coaxial errors of the tools are caused, and the processing and the use are influenced.
SUMMERY OF THE UTILITY MODEL
To the problem that the above-mentioned background art provided, the utility model aims at: aims to provide a precise cutter clamping barrel.
In order to realize the technical purpose, the utility model discloses a technical scheme as follows:
the precise tool clamping cylinder comprises a tool and an adjustable base, wherein an adjustable movable block is installed in the adjustable base, a cylinder clamping seat is installed on one side of the adjustable movable block, a ball support is installed in the cylinder clamping seat, a plurality of balls are installed on the inner side of the ball support, a cylinder clamp is installed in the cylinder clamping seat, the other side of the cylinder clamp is installed in the ball support and is in contact with the balls, a spring seat is installed on the other side of the adjustable movable block, a multi-stage gas-liquid clamping loosening mechanism is installed in the spring seat, and the output end of the multi-stage gas-liquid clamping loosening mechanism is connected with one side of the cylinder clamp.
It is further defined that a plurality of said balls are uniformly arranged on the ball support, wherein the spacing between two adjacent said balls is equal.
Further limiting, a collet chuck tool clamping hole is formed in the collet chuck, a collet chuck conical surface is arranged on one side of the outer surface of the collet chuck, and a collet chuck straight shank is arranged on the other side of the outer surface of the collet chuck.
Further limiting, one side of the interior of the collet holder is provided with a collet holder conical hole matched with the collet taper, and the other side of the collet holder is provided with a collet holder straight hole used for mounting the ball support.
The multistage gas-liquid loosening and clamping mechanism comprises a primary piston arranged in a spring seat, one side of the primary piston is connected with a broaching rod, a spring is sleeved outside the broaching rod, one side of the spring is arranged in the spring seat, the broaching rod is connected with a broaching screw, the broaching screw is connected with a collet nut, the collet nut is connected with a collet, the other side of the primary piston is connected with a secondary piston, and an air inlet is formed in the secondary piston.
Further, it is defined that a position sensor is installed at an outer side of the air inlet.
The utility model has the advantages that: the utility model discloses a zero clearance design scheme in ball and shaft hole, what press from both sides the sword and use is that toper letter presss from both sides, the collet chuck bottom is the design of straight shank, be the axle part in the cooperation, the blade holder also is a straight hole and taper hole combination, straight hole is responsible for concentric location, when the taper hole is responsible for producing the clamp force, also be responsible for coaxial location, be equipped with ball or the roller that is used for filling the letter clearance in the middle of the straight shank of straight hole and collet chuck, the letter clearance is zero when making the shaft hole cooperation, point or line cooperation have been adopted, contact area when very big degree has reduced the cooperation, the straight shank of collet chuck can be in the straight hole of blade holder freedom up-and-down motion like this, and keep concentric throughout, make and do not influence processing and use.
Drawings
The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;
fig. 1 is a schematic structural view of a precision knife clamping cylinder according to an embodiment of the present invention;
FIG. 2 is a schematic view of a tool mounting structure of the precise clamping barrel according to an embodiment of the present invention;
FIG. 3 is a schematic view of a collet structure of a precision tool clamping cylinder according to an embodiment of the present invention;
FIG. 4 is a schematic view of a ball support structure of a precision knife clamping cylinder according to an embodiment of the present invention;
FIG. 5 is a schematic view of a collet chuck structure of the precision tool clamping cylinder according to an embodiment of the present invention;
the main element symbols are as follows:
the tool comprises a tool 101, a collet 102, a ball support 103, a collet seat 104, balls 105, an adjustable base 106, an adjustable movable block 107, a spring seat 108, a spring 109, a primary piston 110, a secondary piston 111, an air inlet 112, a position sensor 113, a collet nut 114, a broach screw 115, a broach rod 116, a collet seat taper hole 201, a collet seat straight hole 202, a collet tool hole 203, a collet taper surface 204 and a collet straight shank 205.
Detailed Description
In order to make the technical solution of the present invention better understood, the following description is provided for the purpose of illustrating the present invention with reference to the accompanying drawings and embodiments.
As shown in fig. 1-5, the utility model discloses an accurate double-layered knife section of thick bamboo, install adjustable movable block 107 in the adjustable base 106, collet holder 104 is installed to one side of adjustable movable block 107, install ball support 103 in the collet holder 104, a plurality of balls 105 are installed to the inboard of ball support 103, install collet chuck 102 in the collet holder 104, collet chuck 102's opposite side is installed and is contacted with ball 105 in ball support 103, spring holder 108 is installed to the opposite side of adjustable movable block 107, install multistage gas-liquid loose clamp mechanism in the spring holder 108, multistage gas-liquid loose clamp mechanism's output is connected with one side of collet chuck 102.
In this embodiment, the tool 101 is a target holder, which is held mainly in a cylindrical form, the collet 102 clamps the tool 101 by the engagement of the collet taper 204 and the collet seat taper 201, the collet 102 is mounted in the collet seat 104, the collet seat taper 201 and the collet taper 204 form a fit, when the air inlet 112 is filled with pressure gas or liquid, the primary piston 110 and the secondary piston 111 push and compress the draw bar 116 and the spring 109, so that the broaching bar 116 pushes the broaching screw 115, the broaching screw 115 pushes the collet nut 114, the collet nut 114 pushes out the collet 102, the diameter of the collet chuck hole 203 becomes larger after the collet conical surface 204 of the collet 102 loses the pressure of the collet chuck conical hole 201 of the collet chuck 104, the clamping force to the tool 101 is loosened, when the pressure input for closing the intake port 112 is inputted, the spring 109 lengthens under the elastic force, the collet 102 is pulled by the collet nut 114, the broach screw 115, and the broach rod 116, the collet 102 is supported by the balls 105, the collet chuck straight hole 202 slides, since the gap between the collet chuck straight hole 202 and the collet chuck straight shank 205 is filled by the balls 105, the collet chuck straight shank 205 and the collet chuck straight hole 202 are always kept concentric, and after the collet chuck straight hole 202 is tightened, the collet conical surface 204 is matched with the collet seat conical hole 201, the collet seat conical hole 201 presses the collet conical surface 204, the collet seat straight hole 202 and the collet straight shank 205 can be kept concentric all the time, the collet seat conical hole 201 and the collet conical surface 204 can be kept concentric all the time, the cone can be kept concentric all the time, which is a necessary condition of precision, when the collet 102 is removed, the balls 105 remain in the collet housing straight bore 202, held by the ball support 103, and when the collet 102 is out of alignment with the collet straight shank 205, the size of the balls 105 can be changed according to the actual size of the collet 102 to ensure a zero clearance fit of the collet shank 205 with the collet housing bore 202.
Preferably, a plurality of balls 105 are uniformly arranged on the ball support 103, wherein the distance between two adjacent balls 105 is equal.
Preferably, a collet tool hole 203 is formed in the collet 102, a collet tapered surface 204 is formed on one side of the outer surface of the collet 102, and a collet straight shank 205 is formed on the other side of the outer surface of the collet 102.
Preferably, one side of the inside of the collet holder 104 is provided with a collet holder conical hole 201 matched with the collet cone 204, and the other side of the collet holder 104 is provided with a collet holder straight hole 202 for installing the ball support 103.
Preferably, the multistage gas-liquid clamping releasing mechanism comprises a primary piston 110 arranged in a spring seat 108, one side of the primary piston 110 is connected with a broach rod 116, the outer side of the broach rod 116 is sleeved with a spring 109, one side of the spring 109 is arranged in the spring seat 108, the broach rod 116 is connected with a broach screw 115, the broach screw 115 is connected with a collet nut 114, the collet nut 114 is connected with the collet 102, the other side of the primary piston 110 is connected with a secondary piston 111, and a gas inlet 112 is arranged in the secondary piston 111.
Preferably, a position sensor 113 is installed outside the air inlet 112.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (6)
1. Precision clamp sword section of thick bamboo includes cutter (101) and adjustable base (106), its characterized in that: an adjustable movable block (107) is installed in the adjustable base (106), a collet holder (104) is installed on one side of the adjustable movable block (107), a ball support (103) is installed in the collet holder (104), a plurality of balls (105) are installed on the inner side of the ball support (103), a collet (102) is installed in the collet holder (104), the other side of the collet (102) is installed in the ball support (103) and is in contact with the balls (105), a spring seat (108) is installed on the other side of the adjustable movable block (107), a multi-stage gas-liquid loosening mechanism is installed in the spring seat (108), and the output end of the multi-stage gas-liquid loosening mechanism is connected with one side of the collet (102).
2. The precision knife holder of claim 1, wherein: a plurality of balls (105) are uniformly arranged on the ball support (103), wherein the distance between two adjacent balls (105) is equal.
3. The precision knife clamping cylinder according to claim 2, characterized in that: a collet tool clamping hole (203) is formed in the collet (102), a collet conical surface (204) is arranged on one side of the outer surface of the collet (102), and a collet straight shank (205) is arranged on the other side of the outer surface of the collet (102).
4. The precision knife holder of claim 3, wherein: one side of the interior of the collet holder (104) is provided with a collet holder conical hole (201) matched with the collet conical surface (204), and the other side of the collet holder (104) is provided with a collet holder straight hole (202) used for installing the ball support (103).
5. The precision knife holder of claim 4, wherein: the multistage gas-liquid loosening and clamping mechanism comprises a primary piston (110) installed in a spring seat (108), one side of the primary piston (110) is connected with a broach rod (116), the outer side of the broach rod (116) is sleeved with a spring (109), one side of the spring (109) is installed in the spring seat (108), the broach rod (116) is connected with a broach screw (115), the broach screw (115) is connected with a collet nut (114), the collet nut (114) is connected with a collet (102), the other side of the primary piston (110) is connected with a secondary piston (111), and a gas inlet (112) is formed in the secondary piston (111).
6. The precision knife holder of claim 5, wherein: and a position sensor (113) is arranged on the outer side of the air inlet (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222730979.0U CN218193760U (en) | 2022-10-14 | 2022-10-14 | Precise cutter clamping barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222730979.0U CN218193760U (en) | 2022-10-14 | 2022-10-14 | Precise cutter clamping barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218193760U true CN218193760U (en) | 2023-01-03 |
Family
ID=84641576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222730979.0U Active CN218193760U (en) | 2022-10-14 | 2022-10-14 | Precise cutter clamping barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218193760U (en) |
-
2022
- 2022-10-14 CN CN202222730979.0U patent/CN218193760U/en active Active
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