CN214517658U - Flexible soft jaw chuck for machine tool - Google Patents
Flexible soft jaw chuck for machine tool Download PDFInfo
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- CN214517658U CN214517658U CN202120664983.4U CN202120664983U CN214517658U CN 214517658 U CN214517658 U CN 214517658U CN 202120664983 U CN202120664983 U CN 202120664983U CN 214517658 U CN214517658 U CN 214517658U
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- chuck
- end cover
- adjustable support
- jaw
- flexible soft
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Abstract
The utility model belongs to the field of machining and discloses a flexible soft jaw chuck for a machine tool, which comprises a plurality of adjustable struts, a plurality of chuck jaws, a dish-shaped gear, a chuck body lower end cover and a plurality of bevel gears; a plurality of bevel gear mounting holes are formed in the side face of the lower end cover of the chuck body, one ends of the bevel gears are respectively positioned in the bevel gear mounting holes, the other ends of the bevel gears are meshed with the disc-shaped gear, and the bevel gears can rotate in the bevel gear mounting holes; the upper end face of the dish-shaped gear is provided with an Archimedes spiral groove, one end of each of the plurality of chuck jaws is provided with a chuck jaw bulge, the chuck jaw bulge is connected with the Archimedes spiral groove, the other ends of the plurality of chuck jaws are detachably connected with the plurality of adjustable supporting columns respectively, and the side face, away from one end of each chuck jaw, of each adjustable supporting column is provided with a plurality of arc surfaces with different diameters. The utility model discloses simple structure, it is convenient to dismantle, and reuse rate is good, and the processing cost is low, has saved welding and subsequent handling, has improved the availability factor of soft claw chuck, has reduced the manufacturing cost of part.
Description
Technical Field
The utility model belongs to the machining field relates to a flexible soft claw chuck for lathe.
Background
In finish turning, a chuck including a hard jaw chuck and a soft jaw chuck and a pull tube are frequently used as a jig. The soft jaw chuck and the pull tube are high in clamping and positioning accuracy and are used more. The tube drawing is one of the necessary accessories of the machine tool and does not need post-production; the soft jaw chuck is different, the soft jaw chuck can be self-made according to the structural shape of the part, and the inner hole of the soft jaw chuck can be large or small.
The existing common soft jaw chuck is in a welding type, a copper bar is welded on the hard jaw chuck, milling and turning are carried out, and finally a part is clamped for production. Such soft jaw chucks have the following disadvantages: firstly, the processing cost is high, and welding is needed; secondly, the positioning is limited, different holes need to be processed on different parts, the repeated use rate is poor, and after the copper bar is used for a period of time, the copper bar needs to be welded again, so that the waste is large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art, soft claw chuck processing cost is high, needs the welding, and the location is limited, and different holes need be processed to different parts, the relatively poor shortcoming of rate of utilization repeatedly, provides a flexible soft claw chuck for lathe.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a flexible soft jaw chuck for a machine tool comprises a plurality of adjustable struts, a plurality of chuck jaws, a disc-shaped gear, a chuck body lower end cover and a plurality of bevel gears; a plurality of bevel gear mounting holes are formed in the side face of the lower end cover of the chuck body, one ends of the bevel gears are respectively positioned in the bevel gear mounting holes, the other ends of the bevel gears are meshed with the disc-shaped gear, and the bevel gears can rotate in the bevel gear mounting holes; an Archimedes spiral groove is formed in the upper end face of the disc-shaped gear, chuck jaw bulges are arranged at the bottom ends of the plurality of chuck jaws and connected with the Archimedes spiral groove, a plurality of adjustable support column mounting holes are formed in the top ends of the plurality of chuck jaws, and the plurality of adjustable support columns are detachably connected with the plurality of chuck jaws in a one-to-one correspondence mode through the adjustable support column mounting holes; the side surface of the adjustable support is provided with a plurality of arc surfaces with different diameters.
The utility model discloses further improvement lies in:
the device also comprises a hexagonal wrench; a counter bore is formed in one end, far away from the disc-shaped gear, of the bevel gear; the hexagonal wrench can be clamped with the counter bore and drives the bevel gear to rotate through the counter bore.
The adjustable support column is provided with a connecting hole, and one end of the connecting piece penetrates through the connecting hole to be detachably connected with the chuck jaw.
The connecting piece is a compression screw or a positioning pin.
The arc surfaces with different diameters are uniformly distributed on the adjustable support.
The number of the adjustable support columns and the number of the chuck jaws are 3, and the number of the bevel gears is 1 or 3.
The plurality of chuck claws are uniformly distributed in the Archimedes spiral groove, and the plurality of bevel gears are uniformly distributed on the side surface of the lower end cover of the chuck body.
The upper end cover of the chuck body is arranged above the dish-shaped gear and connected with the lower end cover of the chuck body, and a plurality of chuck jaw grooves used for containing a plurality of chuck jaws are formed in the upper end cover of the chuck body.
The upper end cover of the chuck body is fixedly connected with the lower end cover of the chuck body through bolts.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses flexible soft claw chuck is used to lathe through setting up dish gear and bevel gear, sets up Archimedes helicla flute on dish gear up end, installs a plurality of chuck claws inside Archimedes helicla flute, sets up a plurality of adjustable support post mounting holes on the top of chuck claw, and adjustable support post can dismantle with arbitrary one adjustable support post mounting hole and be connected, is provided with the arc surface of a plurality of different diameters on adjustable support post's the side. Thereby, based on the dismantled connected mode of a plurality of adjustable support mounting holes and adjustable support, realize the multiposition of adjustable support and the installation of multi-angle, thereby realize regarding the arc surface of different diameters respectively as the contact surface on the adjustable support, and simultaneously, drive dish gear and Archimedes helicla flute through rotating bevel gear and rotate, realize that the chuck claw in the Archimedes helicla flute is close to simultaneously or keeps away from the center, drive adjustable support and be close to simultaneously or keep away from the center, and then realize the part of treating of the different diameters of clamping in wider range, can the part of the multiple different specifications of clamping through a soft claw chuck, and play and press from both sides the effect of tightly or unclamp the part of treating processing. The utility model discloses simple structure, it is convenient to dismantle, and reuse rate is good, and the processing cost is low, has saved welding and subsequent handling, has improved the availability factor of soft claw chuck greatly, has reduced the manufacturing cost of part.
Furthermore, a counter bore is formed in one end, far away from the disc-shaped gear, of the bevel gear, and rotation of the bevel gear is facilitated through the counter bore design.
Furthermore, the arc surfaces with different diameters are uniformly distributed on the side surfaces of the adjustable supporting columns, and the uniformly distributed arc surfaces are convenient for the cooperative adjustment of the adjustable supporting columns, so that the clamping precision is improved.
Further, still include the chuck body upper end cover, the upper end housing of chuck body is established in dish gear top, and is connected with the lower end cover of chuck body, sets up a plurality of chuck jaw recesses that are used for holding a plurality of chuck jaws on the chuck body upper end cover, through setting up the chuck body upper end cover, prevents effectively that processing debris from getting into inside the soft claw chuck, including internals, hoisting device's life.
Further, the upper end cover of the chuck body is fixedly connected with the lower end cover of the chuck body through bolts, the upper end cover of the chuck body is conveniently detached and installed in a mode of fixed connection through bolts, and internal parts can be timely overhauled and replaced.
Drawings
FIG. 1 is a schematic structural view of a flexible soft jaw chuck for a machine tool according to the present invention;
FIG. 2 is a schematic view of the internal structure of the flexible soft jaw chuck for machine tool according to the present invention;
fig. 3 is a schematic structural view of the chuck jaws of the present invention for mounting the adjustable support;
fig. 4 is a schematic structural view of an adjustable support according to the present invention;
fig. 5 is a schematic structural view of another adjustable support column of the present invention;
FIG. 6 is a schematic view of the upper end cap of the flexible soft jaw chuck for machine tool according to the present invention;
FIG. 7 is a schematic view of the soft jaw clamping operation of the present invention;
fig. 8 is a schematic view of the hexagonal wrench of the present invention.
Wherein: 1-a connector; 2-an adjustable support; 3-chuck body upper end cover; 4-chuck jaws; 5-a disc gear; 6-chuck body lower end cover; 7-bevel gears; 8-hexagonal wrench.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the present invention and the above-described drawings, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 to 8, the utility model provides a lathe is with flexible soft claw chuck can effectively overcome current soft claw chuck processing cost height, needs the welding, and the location is limited, and different holes need be processed to different parts, and the relatively poor shortcoming of rate of repeated use can the part of the multiple different specifications of clamping, improves the availability factor of soft claw chuck greatly, reduces the manufacturing cost of part.
Specifically, the flexible soft jaw chuck for the machine tool comprises a plurality of adjustable struts 2, a plurality of chuck jaws 4, a disc gear 5, a chuck body lower end cover 6 and a plurality of bevel gears 7.
Wherein, a plurality of bevel gear mounting holes are seted up to chuck body lower end cover 6 side, and the one end of a plurality of bevel gears 7 is located a plurality of bevel gear mounting holes respectively, and the other end all meshes with dish-shaped gear 5, and bevel gear 7 can rotate in the bevel gear mounting hole to guarantee can drive dish-shaped gear 5 through rotating bevel gear 7 and rotate. Set up the Archimedes helicla flute on the dish-shaped gear 5 up end, all set up the chuck claw arch on the bottom of a plurality of chuck claws 4, the chuck claw arch is connected with the Archimedes helicla flute, and such design makes dish-shaped gear 5 when rotating, and the Archimedes helicla flute rotates simultaneously, drives a plurality of chuck claws 4 and is close to simultaneously or keeps away from the center of dish-shaped gear 5 to carry out the clamping of treating the processing part of different diameters. All set up a plurality of adjustable pillar mounting holes on the top of a plurality of chuck jaws 4, a plurality of adjustable pillar 2 is even through dismantling of adjustable pillar mounting hole and a plurality of chuck jaws 4 one-to-one to carry out adjustable pillar 2's multi-angle installation, set up the arc surface of a plurality of different diameters on adjustable pillar 2's the side. Preferably, when the clamping device is installed, the adjustable support columns 2 are positioned in adjustable support column mounting holes formed in the same positions of the chuck jaws 4 so as to form a circular clamping space.
Preferably, a hexagonal wrench 8 is also included; a counter bore is formed in one end, far away from the disc-shaped gear 5, of the bevel gear 7; the hexagonal wrench 8 can be connected with the counter bore in a clamped mode, the counter bore drives the bevel gear 7 to rotate, and the rotation of the bevel gear 7 is facilitated through the counter bore design.
Preferably, the adjustable clamping device further comprises a connecting piece 1, a connecting hole is formed in the adjustable support 2, and one end of the connecting piece 1 penetrates through the connecting hole to be detachably connected with the chuck jaw 4.
Preferably, the connecting piece 1 is a compression screw or a positioning pin, in this embodiment, the adopted connecting piece 1 is a compression screw, and the connection and the disassembly of the adjustable support column 2 and the chuck jaw 4 are realized by screwing or loosening the compression screw, so that the multi-angle installation of the adjustable support column 2 is facilitated. Similarly, when the positioning pin is adopted, the positioning hole matched with the positioning pin is arranged on the end face of the chuck jaw 4.
Preferably, the arc surfaces of a plurality of different diameters are uniformly distributed on the side surface of the adjustable support column 2, and the uniformly distributed arc surfaces are convenient for the cooperative adjustment of the adjustable support columns 2, so that the clamping precision is improved.
Preferably, the number of the adjustable support column 2 and the number of the chuck jaws 4 are 3, and the number of the bevel gear 7 is 1, but not limited thereto, and those skilled in the art will appreciate that other numbers of chuck jaws 4 and bevel gears 7 can be implemented. Any one bevel gear 7 can drive the disc-shaped gear 5 to rotate along with the rotation of the disc-shaped gear 5, and further drive the Archimedes spiral groove carved on the disc-shaped gear 4 to rotate, so that the three chuck jaws 4 in the Archimedes spiral groove are close to or far away from the center at the same time, and the function of clamping or loosening a part to be machined is achieved.
Preferably, still include chuck body upper end cover 3, chuck body upper end cover 3 covers and establishes in 5 tops of dish-shaped gear, and is connected with chuck body lower end cover 6, sets up a plurality of chuck jaw recesses that are used for holding a plurality of chuck jaws 4 on the chuck body upper end cover 3, through setting up chuck body upper end cover 3, prevents effectively that processing debris from getting into inside the soft claw chuck, including internals, hoisting device's life.
Preferably, chuck body upper end cover 3 passes through bolt fixed connection with chuck body lower end cover 6, adopts bolt fixed connection's mode, conveniently carries out the dismantlement and the installation of chuck body upper end cover 3, can in time carry out the maintenance and the change of internals.
The utility model discloses a use method of flexible soft claw chuck for lathe is introduced below, include: determining target adjustable support column mounting holes in a plurality of adjustable support column mounting holes of each chuck jaw 4 according to the size of a part to be processed, mounting a plurality of adjustable support columns 2 in the target adjustable support column mounting holes of the plurality of chuck jaws 4 in a one-to-one correspondence manner, adjusting the mounting angles of the adjustable support columns 2 according to the shape of the part to be processed, placing the part to be processed in a space surrounded by the adjustable support columns 2, and rotating a bevel gear 7 to the adjustable support columns 2 to clamp the part to be processed; after the machining is finished, the bevel gear 7 is rotated reversely until the plurality of adjustable supporting columns 2 loosen the part to be machined.
Specifically, in this embodiment, the adjustable support column 2 is detachably fixed to the chuck jaw 4 by the compression screw 1, the chuck jaw 4 is screwed into the corresponding groove formed in the upper end cover 3 of the chuck body, the corresponding embedded archimedes spiral groove protruding from the chuck jaw 4 is formed in the chuck jaw 4, and the hexagonal wrench 8 is inserted into the bevel gear 7, so that the part to be machined is clamped.
For the adjustable support column 2, arc surfaces with different diameters can be machined on the adjustable support column 2 according to the overall dimension of a part to be machined, 3 arc surfaces with different diameters are machined in the embodiment and are uniformly distributed on the adjustable support column 2, each adjustable support column 2 can be rotationally adjusted by 120 degrees, a new combination can be formed after each rotation, and each combination can be used for machining parts with different specifications, so that the parts with various specifications can be clamped through one soft jaw chuck. Meanwhile, the adjustable support column 2 is serialized and has various types, as shown in fig. 7, 2 arc surfaces with different diameters are processed on the external dimension of a cylinder, 180-degree rotation adjustment can be carried out to form different combinations, and compared with the previous adjustable support column 2, the adjustable support column can clamp smaller workpieces. In addition, the adjustable support column 2 is installed in other adjustable support column installation holes of the chuck jaws 4 after being disassembled and is uniformly distributed, and then parts of various specifications can be clamped through a soft jaw chuck in a wider range.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (9)
1. A flexible soft jaw chuck for a machine tool is characterized by comprising a plurality of adjustable struts (2), a plurality of chuck jaws (4), a dish-shaped gear (5), a chuck body lower end cover (6) and a plurality of bevel gears (7);
a plurality of bevel gear mounting holes are formed in the side face of the lower end cover (6) of the chuck body, one ends of a plurality of bevel gears (7) are respectively positioned in the bevel gear mounting holes, the other ends of the plurality of bevel gears (7) are meshed with the disc-shaped gear (5), and the bevel gears (7) can rotate in the bevel gear mounting holes; an Archimedes spiral groove is formed in the upper end face of the disc-shaped gear (5), chuck jaw bulges are formed in the bottom ends of the plurality of chuck jaws (4), the chuck jaw bulges are connected with the Archimedes spiral groove, a plurality of adjustable support column mounting holes are formed in the top ends of the plurality of chuck jaws (4), and the plurality of adjustable support columns (2) are detachably connected with the plurality of chuck jaws (4) in a one-to-one correspondence mode through the adjustable support column mounting holes; the side surface of the adjustable support post (2) is provided with a plurality of arc surfaces with different diameters.
2. The flexible soft jaw chuck for machine tools according to claim 1, further comprising a hexagonal wrench (8); a counter bore is formed in one end, far away from the disc-shaped gear (5), of the bevel gear (7); the hexagonal wrench (8) can be clamped with the counter bore and drives the bevel gear (7) to rotate through the counter bore.
3. The flexible soft jaw chuck for the machine tool according to claim 1, further comprising a connecting piece (1), wherein the adjustable support column (2) is provided with a connecting hole, and one end of the connecting piece (1) passes through the connecting hole to be detachably connected with the chuck jaw (4).
4. The flexible soft jaw chuck for machine tools according to claim 3, wherein the connecting piece (1) is a compression screw or a dowel pin.
5. The flexible soft jaw chuck for machine tools according to claim 1, characterized in that said several circular arc surfaces of different diameters are evenly distributed on the adjustable support (2).
6. The flexible soft jaw chuck for machine tools according to claim 1, characterized in that the number of the adjustable support column (2) and the chuck jaws (4) is 3, and the number of the bevel gears (7) is 1 or 3.
7. The flexible soft jaw chuck for machine tools according to claim 1, characterized in that the plurality of chuck jaws (4) are evenly distributed in the Archimedes' spiral groove and the plurality of bevel gears (7) are evenly distributed on the side surface of the lower end cover (6) of the chuck body.
8. The flexible soft jaw chuck for the machine tool according to claim 1, further comprising a chuck body upper end cover (3), wherein the chuck body upper end cover (3) covers the disc-shaped gear (5) and is connected with a chuck body lower end cover (6), and a plurality of chuck jaw grooves for accommodating a plurality of chuck jaws (4) are formed in the chuck body upper end cover (3).
9. The flexible soft jaw chuck for machine tool according to claim 8, characterized in that the chuck body upper end cover (3) is fixedly connected with the chuck body lower end cover (6) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664983.4U CN214517658U (en) | 2021-03-31 | 2021-03-31 | Flexible soft jaw chuck for machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120664983.4U CN214517658U (en) | 2021-03-31 | 2021-03-31 | Flexible soft jaw chuck for machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214517658U true CN214517658U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120664983.4U Expired - Fee Related CN214517658U (en) | 2021-03-31 | 2021-03-31 | Flexible soft jaw chuck for machine tool |
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| Country | Link |
|---|---|
| CN (1) | CN214517658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893904A (en) * | 2021-03-31 | 2021-06-04 | 陕西科技大学 | Flexible soft jaw chuck for machine tool and use method |
-
2021
- 2021-03-31 CN CN202120664983.4U patent/CN214517658U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112893904A (en) * | 2021-03-31 | 2021-06-04 | 陕西科技大学 | Flexible soft jaw chuck for machine tool and use method |
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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: 20211029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |