CN217370513U - Adjustable clamping structure - Google Patents
Adjustable clamping structure Download PDFInfo
- Publication number
- CN217370513U CN217370513U CN202123330377.8U CN202123330377U CN217370513U CN 217370513 U CN217370513 U CN 217370513U CN 202123330377 U CN202123330377 U CN 202123330377U CN 217370513 U CN217370513 U CN 217370513U
- Authority
- CN
- China
- Prior art keywords
- base
- seat
- hole
- jaw chuck
- clamping structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Gripping On Spindles (AREA)
Abstract
The utility model provides an adjustable clamping structure, which has simple structure and convenient adjustment and can effectively ensure the processing quality of a straight-through cylindrical workpiece; the base is fixedly installed at the bottom of the three-jaw chuck, one end of the adjusting seat penetrates through the center hole of the three-jaw chuck and stretches into the base, an adjusting screw is installed at one end of the adjusting seat stretching into the center hole, and the other end of the adjusting seat is fixedly connected with the base.
Description
Technical Field
The utility model relates to the technical field of machining, specifically be a clamping structure with adjustable.
Background
The three-jaw chuck is commonly used for clamping and positioning a workpiece to be machined in machining, when a straight-through cylindrical workpiece without steps is machined, the problem of clamping force can be encountered under the influence of machining acting force, if the clamping force is too small, the workpiece is retracted in machining, if the clamping force is too large, the side surface of the workpiece can be clamped and damaged, as shown in figure 1, at present, a gasket 3 is placed at an orifice of a central hole 102 of the three-jaw chuck 1, the central hole 102 of the three-jaw chuck is plugged to support the workpiece 2, the clamping force of a clamping jaw 101 on the workpiece 2 is ensured, the workpiece is prevented from being retracted or damaged by clamping, but for straight-through cylindrical workpieces with different specifications, gaskets with different sizes and numbers need to be used, the clamping is complicated and inconvenient to adjust, and for longer workpieces, even though the thinnest gasket is used, the workpiece still extends out too much, so that the machining end of the workpiece shakes, the processing quality is affected, if the gasket is not used, the workpiece extends into the central hole, and the part of the workpiece in the central hole cannot be supported, so that the workpiece is easily clamped or damaged.
SUMMERY OF THE UTILITY MODEL
The shortcoming that clamping is loaded down with trivial details, adjust inconvenience, influence processingquality to current through formula cylinder work piece clamping structure, the utility model provides a clamping structure with adjustable, its simple structure adjusts the convenience, can effectively guarantee the processingquality of through formula cylinder work piece.
The utility model adopts the following technical scheme: it includes the three-jaw chuck, its characterized in that, it still includes the base and adjusts the seat, base fixed mounting in the bottom of three-jaw chuck, the one end of adjusting the seat runs through stretch into behind the base the centre bore of three-jaw chuck, it stretches into to adjust the seat adjusting screw is installed to the one end of centre bore, adjust the seat the other end with base fixed connection.
It is further characterized in that:
the base is provided with a first stepped hole and a threaded hole, the adjusting seat is a T-shaped adjusting seat, a transverse rod of the T-shaped adjusting seat is provided with a counter bore corresponding to the threaded hole, and a vertical rod of the T-shaped adjusting seat penetrates through the first stepped hole and then extends into the central hole;
a vertical rod of the T-shaped adjusting seat is provided with a second stepped hole, and the second stepped hole is provided with a threaded inner wall matched with the adjusting screw rod;
the adjusting screw is fastened with a nut through a rotation stopping spring gasket;
the three-jaw chuck is provided with a blind hole, and the base is provided with a mounting hole corresponding to the blind hole.
The utility model adopts the above structure after, have the base of adjusting the seat through the bottom installation at three-jaw chuck, adjust the seat and stretch into the one end installation adjusting screw of three-jaw chuck centre bore, adjust the length of adjusting screw and can support the work piece when the straight-through cylinder work piece of jack catch centre gripping of three-jaw chuck, not only can guarantee the centre gripping dynamics of three-jaw chuck, prevent that the work piece from shaking or pressing from both sides and hinder, but also can ensure that the work piece exposes the length of three-jaw chuck jack catch and have suitable process length all the time, high durability and convenient use, it is convenient to adjust, effectively improve the processingquality of work piece.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
fig. 2 is a schematic structural diagram of an application example of the present invention.
FIG. 3 is a schematic view of the mounting structure of the base and the adjusting base of the present invention;
fig. 4 is a schematic view of the structure in the direction a in fig. 3.
Fig. 5 is a schematic structural view of the base and the adjusting base of the present invention, which is sectioned and disassembled.
Detailed Description
The invention will be further described with reference to the following application examples and drawings:
as shown in fig. 2 to 5, the utility model provides an adjustable clamping structure, which comprises a three-jaw chuck 1, a base 4 and an adjusting seat 5, wherein the base 4 is fixedly arranged at the bottom of the three-jaw chuck 1, one end of the adjusting seat 5 penetrates through the base 4 and then extends into a central hole 102 of the three-jaw chuck 1, one end of the adjusting seat 5 extending into the central hole 102 is provided with an adjusting screw 8, and the other end of the adjusting seat 5 is fixedly connected with the base 4; through adjusting screw 8's length can support work piece 2 when the straight-through cylindrical workpiece 2 of 101 centre gripping of jack catch of three-jaw chuck 1, not only can guarantee the centre gripping dynamics of three-jaw chuck, prevent that the work piece from trembling or pressing from both sides and hindering, but also can ensure that the work piece exposes the length of three-jaw chuck jack catch and has suitable processing length all the time, convenient to use, adjust convenient, effectively improve the processingquality of work piece.
As shown in fig. 2, 3 and 5, the base 4 is provided with a first stepped hole 402 and a threaded hole 401, the adjusting seat 5 is a T-shaped adjusting seat, a cross rod 504 of the T-shaped adjusting seat 5 is provided with a counter bore 501 corresponding to the threaded hole 401, a vertical rod 503 of the T-shaped adjusting seat 5 passes through the first stepped hole 402 and then extends into the central hole 102, and the first stepped hole 402 facilitates the installation of the cross rod 504 of the T-shaped adjusting seat 5 and the base 4 in an embedded manner, so that the appearance is attractive and stable; a vertical rod 503 of the T-shaped adjusting seat 5 is provided with a second stepped hole 502, and the second stepped hole 502 is provided with a threaded inner wall 502a matched with the adjusting screw 8, so that the adjusting screw is convenient to mount and adjust; as shown in fig. 2, the adjusting screw 8 is fastened by a rotation stopping spring washer 9 and a nut 10, so that the adjusting screw can be prevented from loosening during processing, and the processing quality and the production safety are improved; the three-jaw chuck 1 is provided with a blind hole 103, and the base 4 is provided with a mounting hole 403 corresponding to the blind hole 103; preferably, as shown in fig. 3 and 4, there are three threaded holes 401 and three mounting holes 403 on the base 4, a central line L1 of the three mounting holes 403 and a central line L2 of the three threaded holes 401 are all equilateral triangles, and the three threaded holes 401 are respectively located at the midpoint of the central lines of two adjacent mounting holes 403 of the threaded holes 401, so that the fastening points are uniformly distributed, the fastening tightness and stability of the base and the adjusting seat, and the base and the three-jaw chuck can be improved, and the processing quality of the workpiece and the safety of production can be further improved.
The working principle is as follows: as shown in fig. 2 and 3, a cross rod 504 of an adjusting seat 5 is embedded in a stepped layer of a first stepped hole 402 on a base 4, the adjusting seat 5 is fixedly connected with the base 4 through a threaded hole 401, a counter bore 501 and a bolt 6, the base 4 is fixedly connected with a three-jaw chuck 1 through a mounting hole 403, a blind hole 103 and a fastening bolt 7, then the three-jaw chuck 1 is fixed through the base 4 and a fixed end of a machine tool chuck 3 so as to be connected with a machine tool, a nut 10 is screwed after the length of an adjusting screw 8 is adjusted according to the processing requirement and the length of a workpiece 2 to be processed to tightly press a rotation stopping spring gasket 9, then the workpiece 2 is mounted on the three-jaw chuck 1 and is clamped with a clamping jaw 101 to the workpiece 2, and the workpiece 2 is tapped with a rubber hammer, so that the front end 801 of the adjusting screw 8 is abutted against the workpiece 2, and processing can be carried out; through the utility model discloses a structure can guarantee the steadiness of work piece with suitable dynamics clamping with the work piece to prevent that the work piece from pressing from both sides and hindering, adjust the length of adjusting screw and then can be suitable for the processing of different specification work pieces, the universality is strong, both can improve processingquality and machining efficiency, guarantee production safety, can avoid using a great deal of gasket, saving cost again.
Claims (5)
1. The utility model provides a clamping structure with adjustable, its characterized in that includes three-jaw chuck: it still includes the base and adjusts the seat, base fixed mounting in the bottom of three-jaw chuck, the one end of adjusting the seat is run through stretch into behind the base the centre bore of three-jaw chuck, it stretches into to adjust the seat adjusting screw rod is installed to the one end of centre bore, adjust the seat the other end with base fixed connection.
2. The adjustable clamping structure as claimed in claim 1, wherein: the base is provided with a first stepped hole and a threaded hole, the adjusting seat is a T-shaped adjusting seat, a transverse rod of the T-shaped adjusting seat is provided with a counter bore corresponding to the threaded hole, and a vertical rod of the T-shaped adjusting seat penetrates through the first stepped hole and then extends into the central hole.
3. The adjustable clamping structure as claimed in claim 2, wherein: and a second stepped hole is formed in a vertical rod of the T-shaped adjusting seat, and the second stepped hole is provided with a threaded inner wall matched with the adjusting screw rod.
4. The adjustable clamping structure as claimed in claim 1, wherein: the adjusting screw is fastened through a rotation stopping spring gasket and a nut.
5. The adjustable clamping structure as claimed in claim 1, wherein: the three-jaw chuck is provided with a blind hole, and the base is provided with a mounting hole corresponding to the blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123330377.8U CN217370513U (en) | 2021-12-28 | 2021-12-28 | Adjustable clamping structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123330377.8U CN217370513U (en) | 2021-12-28 | 2021-12-28 | Adjustable clamping structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217370513U true CN217370513U (en) | 2022-09-06 |
Family
ID=83094082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123330377.8U Active CN217370513U (en) | 2021-12-28 | 2021-12-28 | Adjustable clamping structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217370513U (en) |
-
2021
- 2021-12-28 CN CN202123330377.8U patent/CN217370513U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217370513U (en) | Adjustable clamping structure | |
| CN213318980U (en) | Adjustable rapid clamp tool | |
| CN214079323U (en) | Three-jaw oversized-aperture hollow power chuck | |
| CN210817555U (en) | End face hole machining tool for steam turbine bearing box | |
| CN112059249B (en) | Clamping tool for steering part | |
| CN213591757U (en) | Eccentric plane fixture of outboard engine crank | |
| CN213258260U (en) | Multi-angle positioning fixture for cylindrical workpiece | |
| CN210160546U (en) | Angle-adjustable electric spark machining fixture | |
| CN210255244U (en) | Machining tool for machining center hole and end face of bearing seat of tower crane climbing frame | |
| CN210189153U (en) | Hydraulic clamp for special machine tool for drilling U-shaped drill | |
| CN217371487U (en) | Flexible self-adaptive efficient clamp | |
| CN212371204U (en) | Three-jaw chuck tool with replaceable jaws | |
| CN217942556U (en) | Steering arm seat machining device | |
| CN212351148U (en) | Cylinder body adds clamping apparatus | |
| CN209970129U (en) | Special fixture for lathe machining | |
| CN213858080U (en) | Special tool for machining thin screw plug by lathe | |
| CN215470592U (en) | Inner hole clamping mechanism | |
| CN215699911U (en) | Clamping device and clamping equipment | |
| CN210549542U (en) | Chuck for machine tool machining | |
| CN210678467U (en) | Universal clamp | |
| CN213470376U (en) | Reference plane machining clamp for geometric body with irregular shape | |
| CN215035373U (en) | Quick-change fixture device for workpieces | |
| CN220739478U (en) | Adjustable collapsible wallboard turning device | |
| CN219292781U (en) | Tool device for machining R arc by lathe instead of milling machine | |
| CN212976758U (en) | Fixed frock of boring cutter extension |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |