CN215881257U - Internal knife positioning and clamping mechanism and processing machine tool - Google Patents
Internal knife positioning and clamping mechanism and processing machine tool Download PDFInfo
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- CN215881257U CN215881257U CN202122076945.XU CN202122076945U CN215881257U CN 215881257 U CN215881257 U CN 215881257U CN 202122076945 U CN202122076945 U CN 202122076945U CN 215881257 U CN215881257 U CN 215881257U
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Abstract
The application provides interior sword location fixture and machine tool of beating includes: the chuck outer sleeve is coaxially arranged in the chuck outer sleeve and is used for clamping a chuck of a workpiece; and one end of the chuck, which is far away from the workpiece, is provided with a cutter beating rod along the axial direction of the chuck, and the cutter beating rod is used for driving the chuck to extend into or out of the chuck outer sleeve. Through the structure, the chuck can be conveniently driven to stretch into or stretch out of the chuck outer sleeve, so that a workpiece is convenient to mount or replace, and the production efficiency is improved.
Description
Technical Field
The disclosure generally relates to the technical field of grinding machine processing, in particular to a tool shank rotating flat-floating clamping mechanism.
Background
The tool shank clamping mechanism is used for clamping a tool and is connected with an external rotating shaft, so that the tool can be driven to rotate, and a workpiece is machined;
in the use process, when the cutter damages or needs to process different models of workpieces, the cutter needs to be taken down for replacement, and in the prior art, the cutter replacement is inconvenient, the cutter replacement time is long, the replacement efficiency is low, and the processing production efficiency is seriously influenced.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide an inner cutting tool positioning and clamping mechanism and a machining tool.
This application first aspect provides an interior sword location fixture that beats, includes:
a chuck outer sleeve;
the chuck is coaxially arranged in the chuck outer sleeve and used for clamping a workpiece;
and one end of the chuck, which is far away from the workpiece, is provided with a cutter bar along the axial direction of the workpiece, and the cutter bar is used for driving the chuck to stretch into or stretch out of the chuck outer sleeve.
According to the technical scheme provided by the embodiment of the application, the chuck comprises:
the chuck body is of a tubular structure and is provided with a central axis;
the clamping part is arranged at one end of the chuck main body and comprises a plurality of claw pieces distributed along the circumference; mounting holes for mounting the workpiece are formed among the claw pieces;
wherein the free ends of the jaw members are convergent toward the central axis or divergent away from the central axis to enable the gripping portion to grip or release the workpiece.
According to the technical scheme provided by the embodiment of the application, one end, close to the clamping part, of the chuck main body is provided with a sliding hole along the radial direction, and the sliding hole is communicated with the mounting hole;
a positioning pin shaft is arranged in the chuck outer sleeve; and the positioning pin shaft is inserted into the sliding hole and is used for axially positioning the end part of the workpiece.
According to the technical scheme provided by the embodiment of the application, a draw knife rod is arranged between the striking knife rod and the chuck; and a locking mechanism is fixedly arranged on the side wall of the broach rod, and a spring is arranged between the locking mechanism and the end part of the chuck outer sleeve.
According to the technical scheme provided by the embodiment of the application, the spring is a spiral spring or a belleville spring.
According to the technical scheme provided by the embodiment of the application, the locking mechanism is a nut sleeved on the screwdriver rod;
the spring sleeve is arranged on the broach rod, one end of the spring sleeve is fixedly connected with the end part of the chuck outer sleeve, and the other end of the spring sleeve is fixedly connected with the end part of the nut.
The second aspect of the application provides a processing machine tool, which comprises a machine tool body, a hollow rotating shaft arranged on the machine tool, a driving device used for driving the rotating shaft to rotate, and an internal cutting positioning and clamping mechanism with the structure;
the screwdriver rod is arranged in the rotating shaft, and the rotating shaft is coaxially and fixedly connected with the chuck outer sleeve.
The beneficial effect of this application lies in: in the using process, the cutter bar can be pushed, so that the chuck extends out of the end part of the chuck outer sleeve; the workpiece can be conveniently mounted on the chuck; after the installation is finished, the cutter beating rod is driven to reversely move, so that the chuck extends into the chuck outer sleeve, the chuck outer sleeve can be driven to rotate through an external driving device, and then the chuck is driven to rotate, and the machining operation is carried out.
The clamping head is far away from the end part of the workpiece and the cutter bar is axially arranged, so that the clamping head can be conveniently driven to stretch into or stretch out of the clamping head outer sleeve, the workpiece is convenient to install or replace, and the production efficiency is improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of an internal cutting positioning and clamping mechanism provided in the present application;
FIG. 2 is a schematic structural view of the chuck 2 shown in FIG. 1;
FIG. 3 is a schematic view showing the structure of the outer jacket 1 of FIG. 1 with the rotary shaft 10 attached thereto
Reference numbers in the figures:
1. a chuck outer sleeve; 2. a chuck; 3. a workpiece; 4. punching a cutter rod; 5. a chuck body; 6. a clamping portion; 7. a claw member; 8. mounting holes; 9. a slide hole; 10. a rotating shaft; 11. positioning a pin shaft; 12. pulling a cutter rod; 13. a locking mechanism; 14. a spring;
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Example 1
The application provides interior sword location fixture that beats includes:
a chuck outer sleeve 1;
the chuck 2 is coaxially arranged in the chuck outer sleeve 1 and is used for clamping a workpiece 3;
and one end of the chuck 2, which is far away from the workpiece 3, is provided with a screwdriver rod 4 along the axial direction of the chuck, and the screwdriver rod 4 is used for driving the chuck 2 to extend into or out of the chuck outer sleeve 1.
Specifically, the workpiece 3 is a cutter; preferably, the displacement path of the striking rod 4 is 1 mm;
specifically, the collet housing 1 can be connected to an external rotating shaft 10, and the collet housing 1 is driven to rotate by driving the rotating shaft 10 to rotate, so as to drive the collet 2 and the workpiece 3 thereon to rotate for processing.
The working principle is as follows: in the using process, the screwdriver rod 4 can be pushed, so that the chuck 2 extends out of the end part of the chuck outer sleeve 1; the workpiece 3 can be easily mounted on the chuck 2; after the installation is finished, the screwdriver rod 4 is driven to move reversely, so that the chuck 2 extends into the chuck outer sleeve 1, the chuck outer sleeve 1 can be driven to rotate by an external driving device, and the chuck 2 is driven to rotate, and the machining operation is carried out.
The clamping head 2 is far away from the end part of the workpiece 3 and the screwdriver rod 4 is axially installed, so that the clamping head 4 can be conveniently driven to stretch into or stretch out of the clamping head outer sleeve 3, the workpiece 5 is convenient to install or replace, and the production efficiency is improved.
Wherein, preferably, the chuck 2 includes:
the chuck body 5 is of a tubular structure and is provided with a central axis;
the clamping part 6 is arranged at one end of the chuck main body 5 and comprises a plurality of claw pieces 7 distributed along the circumference; a mounting hole 8 for mounting the workpiece 3 is formed between the claw members 7;
wherein the free ends of the claw members 7 are convergent towards the central axis or divergent away from the central axis to enable the gripping portions 6 to grip or release the workpiece 3.
Preferably, three claw members 7 are uniformly distributed along the circumference;
specifically, the chuck outer sleeve 1 is provided with through holes for the chuck 2 to extend into or out of, when the clamping jaws 12 on the chuck 4 extend out of the through holes, the clamping jaws 12 are separated from the central axis, and gaps among the clamping jaws 12 are enlarged; when the clamping jaws 12 on the chuck 4 enter the through opening, the diameter of the through opening is limited, the clamping jaws 12 converge towards the central axis, and the gaps between the clamping jaws 12 gradually decrease until the clamping jaws 12 clamp the workpiece 5, namely, the diameter of the through opening is equal to the diameter of the clamping part 11 when the clamping jaws 12 converge.
Preferably, a sliding hole 9 is formed in the chuck body 5 and at one end close to the clamping portion 6 in the radial direction, and the sliding hole 9 is communicated with the mounting hole 8;
a positioning pin shaft 11 is arranged in the chuck outer sleeve 1; and the positioning pin shaft 11 is inserted into the sliding hole 9 and is used for axially positioning the end part of the workpiece 3.
Specifically, the positioning pin shaft 11 is fixedly arranged in the chuck outer sleeve 1; through setting up locating pin axle 11 and sliding hole 9 for:
1. the chuck 2 is limited, and when the chuck 2 extends out of the chuck outer sleeve 1, the positioning pin shaft 11 is abutted against one side of the sliding hole 9, so that the chuck cannot extend out continuously; when the chuck 2 extends into the chuck outer sleeve 1, the positioning pin shaft 11 is abutted against the other side of the sliding hole 9, so that the chuck cannot extend into the chuck outer sleeve continuously.
2. The workpiece 3 is positioned, when the chuck 2 extends out of the chuck outer sleeve 1, the workpiece 3 can be inserted into the chuck 2 through the mounting hole 8, and meanwhile, the end part of the workpiece 3 is kept in contact with the side wall of the positioning pin shaft 11, so that the position consistency of the workpiece 3 can be ensured, and the cutter mounting error is ensured to be within 0.02 mm.
Preferably, a draw bar 12 is arranged between the striking bar 4 and the chuck 2; a locking mechanism 13 is fixedly mounted on the side wall of the broach rod 12, and a spring 14 is mounted between the locking mechanism 13 and the end part of the chuck outer sleeve 1.
Specifically, the spring 14 is a coil spring or a belleville spring; when the striking rod 12 drives the chuck 2 to extend, the pressure applied on the spring 14 is greater than 700N.
Through the arrangement of the spring 14, when the chuck 2 extends out of the chuck outer sleeve 1 and the workpiece 3 is installed behind the chuck 2, the draw knife rod 12 contracts under the action of the spring 14, and the chuck 2 can be driven to extend into the chuck outer sleeve 1 without external force. Meanwhile, the locking mechanism 13 and the chuck outer sleeve 1 play a role in positioning the draw knife rod 12.
Preferably, the locking mechanism 13 is a nut sleeved on the screwdriver rod 4;
the spring 14 is sleeved on the broach rod 12, one end of the spring is fixedly connected with the end part of the chuck outer sleeve 1, and the other end of the spring is fixedly connected with the end part of the nut. Preferably, the nut is provided in two.
Example 2
The application provides a processing machine tool, which comprises a machine tool body, a rotating shaft 15 which is arranged on the machine tool and is hollow inside, a driving device for driving the rotating shaft 15 to rotate, and an internal cutting positioning and clamping mechanism with the structure;
the screwdriver rod 4 is arranged in the rotating shaft 15, and the rotating shaft 15 is coaxially and fixedly connected with the chuck outer sleeve 1.
Specifically, the beater bar 4 is slidably arranged inside the rotating shaft 15;
because the internal cutter positioning and clamping mechanism with the structure is arranged on the machine tool body, the chuck 4 can be conveniently driven to extend into or out of the chuck outer sleeve 3, the workpiece 5 is convenient to install or replace, and the production efficiency is improved.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (7)
1. The utility model provides an interior sword location fixture that beats which characterized in that includes:
a chuck outer sleeve (1);
the chuck (2) is coaxially arranged in the chuck outer sleeve (1) and is used for clamping a workpiece (3);
wherein, chuck (2) are kept away from work piece (3) one end is installed along its axial and is beaten cutter arbor (4), beat cutter arbor (4) are used for the drive chuck (2) stretch into or stretch out chuck overcoat (1).
2. Internal cutting positioning and clamping mechanism according to claim 1, characterized in that said cartridge (2) comprises:
the chuck body (5) is of a tubular structure and is provided with a central axis;
the clamping part (6) is arranged at one end of the chuck main body (5) and comprises a plurality of claw pieces (7) distributed along the circumference; a mounting hole (8) for mounting the workpiece (3) is formed between the claw pieces (7);
wherein the free ends of the claw members (7) are convergent towards the central axis or divergent away from the central axis to enable the gripping portion (6) to grip or release the workpiece (3).
3. The internal cutting positioning and clamping mechanism according to claim 2, wherein a sliding hole (9) is formed in the chuck body (5) and close to one end of the clamping portion (6) in the radial direction, and the sliding hole (9) is communicated with the mounting hole (8);
a positioning pin shaft (11) is arranged in the chuck outer sleeve (1); and the positioning pin shaft (11) is inserted into the sliding hole (9) and is used for axially positioning the end part of the workpiece (3).
4. The internal cutting positioning and clamping mechanism according to claim 1, wherein a draw bar (12) is arranged between the cutting bar (4) and the chuck (2); draw on the cutter arbor (12) lateral wall fixed mounting have locking mechanism (13), locking mechanism (13) with install spring (14) between chuck overcoat (1) tip.
5. Internal cutting positioning clamping mechanism according to claim 4, characterized in that the spring (14) is a helical spring or a belleville spring.
6. The internal cutting positioning and clamping mechanism according to claim 4, wherein the locking mechanism (13) is a nut sleeved on the cutting rod (4);
the spring (14) is sleeved on the broach rod (12), one end of the spring is fixedly connected with the end part of the chuck outer sleeve (1), and the other end of the spring is fixedly connected with the end part of the nut.
7. A machine tool comprising a machine tool body, a hollow rotary shaft (10) mounted on the machine tool, a driving device for driving the rotary shaft (10) to rotate, and an inner cutting positioning and clamping mechanism according to any one of claims 1 to 6;
the screwdriver rod (4) is arranged in the rotating shaft (10), and the rotating shaft (10) is coaxially and fixedly connected with the chuck outer sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122076945.XU CN215881257U (en) | 2021-08-31 | 2021-08-31 | Internal knife positioning and clamping mechanism and processing machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122076945.XU CN215881257U (en) | 2021-08-31 | 2021-08-31 | Internal knife positioning and clamping mechanism and processing machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215881257U true CN215881257U (en) | 2022-02-22 |
Family
ID=80503006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122076945.XU Active CN215881257U (en) | 2021-08-31 | 2021-08-31 | Internal knife positioning and clamping mechanism and processing machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215881257U (en) |
-
2021
- 2021-08-31 CN CN202122076945.XU patent/CN215881257U/en active Active
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