CN212885108U - Auxiliary clamping mechanism for lathe - Google Patents
Auxiliary clamping mechanism for lathe Download PDFInfo
- Publication number
- CN212885108U CN212885108U CN202021671344.2U CN202021671344U CN212885108U CN 212885108 U CN212885108 U CN 212885108U CN 202021671344 U CN202021671344 U CN 202021671344U CN 212885108 U CN212885108 U CN 212885108U
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- China
- Prior art keywords
- outer ring
- inner disc
- sleeve
- annular
- clamping mechanism
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Abstract
The utility model relates to an auxiliary clamping mechanism for a lathe, which comprises a base, an outer ring, an inner disc and three telescopic components; the base is connected with the position right below the outer ring; the inner disc is rotationally matched in the outer ring; one side surface of the inner disc is connected with three rotating shafts which are uniformly distributed along the circumferential direction of the inner disc; one side surface of the outer ring corresponding to the rotating shaft of the inner disc is connected with three rotating shafts which are uniformly distributed along the circumferential direction; one end of each telescopic member is hinged with one rotating shaft on the inner disc, and the other end of each telescopic member is hinged with one rotating shaft of the outer ring; the three telescopic components form an equilateral triangle; the axial centerlines of the three telescoping members are located in different planes. The utility model discloses a lathe is with supplementary clamping mechanism molding has newly improved the convenience of processing, and work efficiency improves greatly, stable in structure, and the molding is novel.
Description
Technical Field
The utility model relates to a horizontal lathe technical field, concretely relates to lathe is with supplementary clamping mechanism.
Background
Horizontal lathes are widely used in today's industrial production, the most common clamping mechanism of which is a three-jaw chuck. The three-jaw chuck has the advantages that the center can be quickly found, and the time is saved; its disadvantage is that it can only clamp round material, and eccentric workpiece can not be clamped. Therefore, a four-jaw independent chuck is provided, each jaw of the four-jaw independent chuck can be independent and fixed, the clamping position of a workpiece is adjusted, and compared with a three-jaw chuck, the four-jaw independent chuck can clamp parts with complex shapes. However, the four-jaw independent chuck is troublesome in clamping, complex in alignment, low in efficiency under the condition of batch processing, and phase-changing and cost-increasing.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a lathe is with supplementary clamping mechanism to improve four-jaw independent chuck's clamping convenience, reduce the alignment time, improve machining efficiency, reduction in production cost.
The utility model provides an auxiliary clamping mechanism for a lathe, which comprises a base, an outer ring, an inner disc and three telescopic components;
the base is connected with the position right below the outer ring; the inner disc is rotationally matched in the outer ring; one side surface of the inner disc is connected with three rotating shafts which are uniformly distributed along the circumferential direction of the inner disc; one side surface of the outer ring corresponding to the rotating shaft of the inner disc is connected with three rotating shafts which are uniformly distributed along the circumferential direction; one end of each telescopic member is hinged with one rotating shaft on the inner disc, and the other end of each telescopic member is hinged with one rotating shaft of the outer ring; the projections of the three telescopic components on the inner disc form an equilateral triangle taking the axial center line of the inner disc as the center; the axial centerlines of the three telescoping members are located in different planes.
Preferably, the telescoping member comprises a coaxial center-line sleeve, an outer rod and a mating rod;
one end of the outer rod is hinged with the corresponding rotating shaft on the inner disc, and the other end of the outer rod is connected with the matching rod; four sliding strips are uniformly distributed on the peripheral side surface of the matching rod; the length directions of the four sliding strips of the matching rod are the same as the axial direction of the matching rod; one end of the sleeve is hinged with the corresponding rotating shaft on the outer ring, and the other end of the sleeve is provided with four sliding grooves along the axial direction of the sleeve; four sliding grooves on the sleeve are uniformly distributed in the circumferential direction; the matching rod is inserted in the sleeve; the matching rod is in sliding fit with the sleeve; four sliding bars of the matching rod are in one-to-one correspondence and sliding fit with the four sliding grooves of the sleeve respectively.
Preferably, the peripheral side surface of the inner disc is connected with an annular fixture block with the same axial center line;
the inner ring of the outer ring is provided with an annular groove along the circumferential direction of the outer ring, and the annular clamping block of the inner disc is in sliding fit with the annular groove of the outer ring.
Preferably, the device further comprises a bolt and a fixture block; the end face, close to the telescopic component, of the inner disc is provided with an annular tooth groove with the same central shaft, and the inner wall of the periphery of the annular tooth groove is provided with a plurality of ratchets which are uniformly distributed in the circumferential direction; the outer ring is provided with a through hole which penetrates through the wall thickness and is communicated with the annular tooth groove; the annular tooth grooves are arranged along the radial outer opening of the annular tooth grooves; the through hole of the outer ring is in sliding fit with the bolt along the axial direction of the bolt; one end of the bolt close to the ratchet is connected with the clamping block; and the groove formed by every two adjacent ratchets is matched with the clamping block.
Preferably, a return tension spring is further included; the bolt is connected with an annular limiting block with the same axial center line; the reset tension spring is sleeved on the plug pin; one end of the reset tension spring is connected with the annular limiting block, and the other end of the reset tension spring is connected with the outer peripheral surface of the outer ring.
The utility model has the advantages that:
according to the technical scheme, the auxiliary clamping mechanism for the lathe is matched with the outer ring through the inner circular disc, the telescopic component is telescopic, so that when complex workpieces are produced and machined, the auxiliary clamping mechanism centers the workpieces to be turned, and the workpieces are clamped by one end of the four-jaw chuck; the time waste of manual alignment is reduced, the processing convenience is improved, the working efficiency is greatly improved, the condition that batch production cannot be realized due to too high time cost of the prior alignment is also improved, the structure is stable, and the model is novel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of an auxiliary clamping mechanism for a lathe according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the auxiliary clamping mechanism for a lathe shown in FIG. 1, in which an annular clamping block is matched with an outer annular ring;
fig. 3 is a schematic structural diagram of the sleeve, the engagement rod and the outer rod of the auxiliary clamping mechanism for a lathe shown in fig. 1.
Reference numerals:
1-a base;
2-outer ring; 21-a first ring body; 22-a second ring body; 23-an annular groove;
3-inner disc;
4-a telescoping member; 41-a cannula; 42-outer pole; 43-mating rod;
5-ring shaped fixture block
6-a bolt;
7-a fixture block;
8-an annular limiting block; 81-a reset tension spring;
9-rotating shaft.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Fig. 1 to fig. 3 show an auxiliary clamping mechanism for a lathe according to an embodiment of the present invention, which includes a base 1, an outer ring 2, an inner disc 3, and three telescopic members 4. The base 1 is connected with the right lower part of the outer ring 2; the inner disc 3 is rotationally matched in the outer ring 2; one side of the inner disc 3 is connected with three rotating shafts 9 which are evenly distributed along the circumference. One side surface of the outer ring 2 corresponding to the rotating shaft 9 of the inner disc 3 is connected with three rotating shafts 9 which are uniformly distributed along the circumferential direction; one end of each telescopic member 4 is hinged to one of the rotation shafts 9 of the inner disc 3 and the other end of each telescopic member 4 is hinged to one of the rotation shafts 9 of the outer ring 2. The projection of the three telescopic components 4 on the inner disc 3 forms an equilateral triangle with the axial center line of the inner disc 3 as the center; the axial centerlines of the three telescoping members 4 lie in different planes.
The embodiment provides an auxiliary clamping mechanism for lathe, base 1 sliding fit is on the guide rail of lathe, the turning center of lathe is in the center of outer ring 2, interior disc 3 is at the rotation of outer ring 2 during operation, when rotating interior disc 3, with the synchronous motion of the flexible component 4 of axis of rotation 9 articulated on the interior disc 3, treat the region that the turning one end of processing work piece was put into between three flexible components 4, the regular triangle size between three flexible components 4 changes, three flexible components 4 centre gripping work piece, the end of treating the turning of work piece this moment is located the turning center of lathe. Aiming at a special-shaped or complex workpiece, the other end of the workpiece is fixed by a four-jaw chuck; after the fixing is finished, the inner disc 3 is rotated, the three telescopic components 4 loosen the workpiece, and the auxiliary clamping mechanism is removed for turning.
Specifically, the telescopic member 4 comprises a coaxial-center bushing 41, an outer rod 42 and an engagement rod 43; one end of the outer rod 42 is hinged with the corresponding rotating shaft 9 on the inner disc 3, and the other end of the outer rod 42 is connected with the matching rod 43. Four sliding bars are uniformly distributed on the peripheral side surface of the matching rod 43; the length directions of the four slide bars of the engaging lever 43 are the same as the axial direction of the engaging lever 43. One end of the sleeve 41 is hinged with the corresponding rotating shaft 9 on the outer ring 2, and the other end of the sleeve 41 is provided with four sliding grooves along the axial direction; four sliding grooves on the sleeve 41 are circumferentially and uniformly distributed. The engaging rod 43 is inserted in the sleeve 41; the matching rod 43 is in sliding fit with the sleeve 41; four sliding bars of the engaging rod 43 correspond to and are slidably engaged with four sliding grooves of the sleeve 41 one by one.
In the auxiliary clamping mechanism for the lathe provided by the embodiment, in order to increase the stability and the precision of clamping a workpiece, the sliding fit of the matching rod 43 and the sleeve 41 ensures the coaxiality of the auxiliary clamping mechanism, and the four sliding strips on the matching rod 43 and the four sliding grooves on the sleeve 41 ensure that the auxiliary clamping mechanism cannot shake.
Moreover, in order to increase the stability of the device, an annular latch 75 coaxial with the center line is connected to the outer peripheral side surface of the inner disc 3. The inner ring of the outer ring 2 is provided with an annular groove 23 along the circumferential direction thereof, and the annular latch 75 of the inner disc 3 is slidably fitted with the annular groove 23 of the outer ring 2.
The device also comprises a bolt 6 and a fixture block 7; the end surface of the inner disc 3 close to the telescopic component 4 is provided with an annular tooth socket with the same central shaft, and the inner wall of the periphery of the annular tooth socket is provided with a plurality of ratchets which are uniformly distributed in the circumferential direction; the outer ring 2 is provided with a through hole which penetrates through the wall thickness and is communicated with the annular tooth groove; the annular tooth grooves are arranged along the radial outer opening of the annular tooth grooves.
The through hole of the outer ring 2 is in sliding fit with the bolt 6 along the axial direction; one end of the bolt 6 close to the ratchet is connected with the clamping block 7; the groove formed by every two adjacent ratchets is matched with the fixture block 7.
According to the auxiliary clamping mechanism for the lathe, when a worker operates, the auxiliary clamping device cannot be used for clamping the end to be turned of a workpiece, and the four-jaw chuck is used for clamping the clamping section of the workpiece; so that after the end of the workpiece to be turned is clamped by the telescopic member 4, the plug pin 6 is inserted from the through hole of the outer ring 2 and locked in cooperation with the ratchet teeth on the inner disc 3. And then the worker operates the four-jaw chuck to clamp the clamping section of the workpiece.
In order to increase convenience, a reset tension spring 81 is also included; the bolt 6 is connected with an annular limited block 8 with the same axial center line; the reset tension spring 81 is sleeved on the bolt 6; one end of the reset tension spring 81 is connected with the annular limiting block 8, and the other end of the reset tension spring 81 is connected with the outer peripheral surface of the outer ring 2.
The auxiliary clamping mechanism for the lathe provided by the embodiment rotates the inner disc 3, the fixture block 7 moves in a matched manner with the ratchet, after the inner disc 3 rotates in place, the bolt 6 tightly supports the fixture block 7 in a groove formed between adjacent ratchets under the action of the reset tension spring 81, and the inner disc 3 cannot rotate to form locking. After the auxiliary clamping mechanism is used, pulling the bolt 6, extending the reset tension spring 81, withdrawing the fixture block 7 and ending locking; the inner disc 3 is rotatable.
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 substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. An auxiliary clamping mechanism for a lathe is characterized by comprising a base, an outer ring, an inner disc and three telescopic components;
the base is connected with the position right below the outer ring; the inner disc is rotationally matched in the outer ring; one side surface of the inner disc is connected with three rotating shafts which are uniformly distributed along the circumferential direction of the inner disc; one side surface of the outer ring corresponding to the rotating shaft of the inner disc is connected with three rotating shafts which are uniformly distributed along the circumferential direction; one end of each telescopic member is hinged with one rotating shaft on the inner disc, and the other end of each telescopic member is hinged with one rotating shaft of the outer ring; the projections of the three telescopic components on the inner disc form an equilateral triangle taking the axial center line of the inner disc as the center; the axial centerlines of the three telescoping members are located in different planes.
2. An auxiliary clamping mechanism for a lathe according to claim 1, wherein: the telescopic member comprises a sleeve pipe with the same axial center line, an outer rod and a matching rod;
one end of the outer rod is hinged with the corresponding rotating shaft on the inner disc, and the other end of the outer rod is connected with the matching rod; four sliding strips are uniformly distributed on the peripheral side surface of the matching rod; the length directions of the four sliding strips of the matching rod are the same as the axial direction of the matching rod; one end of the sleeve is hinged with the corresponding rotating shaft on the outer ring, the other end of the sleeve is provided with four sliding grooves along the axial direction of the sleeve, and the four sliding grooves on the sleeve are uniformly distributed in the circumferential direction; the matching rod is inserted in the sleeve; the matching rod is in sliding fit with the sleeve; four sliding bars of the matching rod are in one-to-one correspondence and sliding fit with the four sliding grooves of the sleeve respectively.
3. An auxiliary clamping mechanism for a lathe according to claim 1, wherein: the side surface of the outer periphery of the inner disc is connected with an annular clamping block with the same axial center line;
the inner ring of the outer ring is provided with an annular groove along the circumferential direction of the outer ring, and the annular clamping block of the inner disc is in sliding fit with the annular groove of the outer ring.
4. An auxiliary clamping mechanism for a lathe according to claim 1, wherein: the device also comprises a bolt and a clamping block; the end face, close to the telescopic component, of the inner disc is provided with an annular tooth groove with the same central shaft, and the inner wall of the periphery of the annular tooth groove is provided with a plurality of ratchets which are uniformly distributed in the circumferential direction; the outer ring is provided with a through hole which penetrates through the wall thickness and is communicated with the annular tooth groove; the annular tooth grooves are arranged along the radial outer opening of the annular tooth grooves; the through hole of the outer ring is in sliding fit with the bolt along the axial direction of the bolt; one end of the bolt close to the ratchet is connected with the clamping block; and the groove formed by every two adjacent ratchets is matched with the clamping block.
5. An auxiliary clamping mechanism for a lathe according to claim 4, wherein: also comprises a reset tension spring; the bolt is connected with an annular limiting block with the same axial center line; the reset tension spring is sleeved on the plug pin; one end of the reset tension spring is connected with the annular limiting block, and the other end of the reset tension spring is connected with the outer peripheral surface of the outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021671344.2U CN212885108U (en) | 2020-08-12 | 2020-08-12 | Auxiliary clamping mechanism for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021671344.2U CN212885108U (en) | 2020-08-12 | 2020-08-12 | Auxiliary clamping mechanism for lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212885108U true CN212885108U (en) | 2021-04-06 |
Family
ID=75242656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021671344.2U Expired - Fee Related CN212885108U (en) | 2020-08-12 | 2020-08-12 | Auxiliary clamping mechanism for lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212885108U (en) |
-
2020
- 2020-08-12 CN CN202021671344.2U patent/CN212885108U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 Termination date: 20210812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |