CN218135035U - Four-jaw chuck for lathe tailstock - Google Patents
Four-jaw chuck for lathe tailstock Download PDFInfo
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- CN218135035U CN218135035U CN202220920183.9U CN202220920183U CN218135035U CN 218135035 U CN218135035 U CN 218135035U CN 202220920183 U CN202220920183 U CN 202220920183U CN 218135035 U CN218135035 U CN 218135035U
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- tailstock
- wall
- connecting rod
- joint structure
- elasticity joint
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Abstract
The utility model discloses a four-jaw chuck is used to lathe tailstock, including the tailstock, the inner wall of tailstock is pegged graft and is had the connecting rod, the upper end of connecting rod is rotated and is equipped with the four-jaw chuck, the inner wall both sides of tailstock all run through to be equipped with elasticity joint structure, two elasticity joint structure all with connecting rod looks joint, the inner wall both sides of tailstock are all pegged graft and are had the regulation structure, adjust structure and elasticity joint structure phase-match, connect the lathe main part through the tailstock to through the effect of connecting rod, connect tailstock and four-jaw chuck, guarantee that the four-jaw chuck dismantles simple to operate, through the effect of elasticity joint structure, guarantee to be effectual to the restriction of connecting rod, guarantee the fixed effect of connecting rod simultaneously, through adjusting the structure, conveniently adjust elasticity joint structure to the restriction effect of control elasticity joint structure to the connecting rod, the practicality is strong, installation convenient to use.
Description
Technical Field
The utility model relates to a lathe technical field, concretely relates to four-jaw chuck is used to lathe tailstock.
Background
Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. In modern machine manufacturing, a plurality of methods for machining mechanical parts comprise cutting machining, casting, forging, welding, stamping, extruding and the like, but all parts with higher precision requirements and finer surface roughness requirements are generally subjected to final machining by a cutting method on a machine tool. The lathe plays important role in the construction of national economy modernization, and current lathe is when using, and four-jaw chuck plays important effect, and current equipment, four-jaw chuck are comparatively complicated owing to need guarantee stability, the installation, and the practicality is poor, influences work efficiency, inconvenient change dismantlement simultaneously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a four-jaw chuck is used to lathe tailstock to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a four-jaw chuck is used to lathe tailstock, includes the tailstock, the inner wall of tailstock is pegged graft and is had the connecting rod, the upper end of connecting rod is rotated and is equipped with the four-jaw chuck, the inner wall both sides of tailstock all run through and are equipped with elasticity joint structure, two elasticity joint structure all with connecting rod looks joint, the inner wall both sides of tailstock are all pegged graft and are had the regulation structure, adjust structure and elasticity joint structure phase-match.
Preferably, the elasticity joint structure includes the kelly, the one end of kelly runs through the tailstock and pegs graft in the inner wall of connecting rod, the other end fixed assembly of kelly has the kicking block, one side that the kicking block is close to the kelly is the plane, one side that the kelly was kept away from to the kicking block is smooth curved surface, the spring has been cup jointed to the outer wall of kelly, the one end of spring links to each other with plane one side of kicking block, the other end of spring links to each other with the inner wall of tailstock, smooth curved surface one side and the adjustment structure of kicking block are closely laminated.
Preferably, adjust the structure and include the nut, nut fixed assembly is in the inner wall of tailstock, the inner wall spiro union of nut has the screw rod, the upper end fixed assembly of screw rod has the commentaries on classics handle, the lower extreme fixed assembly of screw rod has the bull stick, bull stick and nut clearance fit, the lower extreme of screw rod is rotated and is equipped with the wedge, the top surface of wedge is the rectangle, just the wedge is laminated with the inner wall of tailstock mutually, the wedge closely laminates with elasticity joint structure, just the hypotenuse of wedge is higher than the one end of keeping away from elasticity joint structure near the one end of elasticity joint structure.
Preferably, the upper end and the lower end of the ejector block are fixedly provided with a support block, and the support block is tightly attached to the inner wall of the tailstock.
Preferably, a hollow cylinder is arranged between the tailstock and the connecting rod, the hollow cylinder is fixedly assembled on the inner wall of the tailstock, and the hollow cylinder is in clearance fit with the connecting rod.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a lathe tailstock connects lathe main body through the tailstock to through the effect of connecting rod, connect tailstock and four-jaw chuck, guarantee that four-jaw chuck dismantles simple to operate, through the effect of elasticity joint structure, guarantee effectual to the restriction of connecting rod, guarantee the fixed effect of connecting rod simultaneously, through adjusting the structure, conveniently adjust the elasticity joint structure, thereby control the restriction effect of elasticity joint structure to the connecting rod, the practicality is strong, installation convenient to use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is a schematic perspective view of a wedge-shaped block.
In the figure: 1-tailstock, 2-elastic clamping structure, 21-top block, 22-spring, 23-clamping rod, 3-adjusting structure, 31-rotating handle, 32-screw, 33-nut, 34-rotating rod, 35-wedge block, 4-support block, 5-connecting rod and 6-four-jaw chuck.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.
Please refer to fig. 1-3, the utility model provides a lathe tailstock uses four-jaw chuck, including tailstock 1, the inner wall of tailstock 1 is pegged graft and is had connecting rod 5, and the upper end of connecting rod 5 is rotated and is equipped with four-jaw chuck 6, and the inner wall both sides of tailstock 1 all run through and are equipped with elasticity joint structure 2, and two elasticity joint structure 2 all with connecting rod 5 looks joint, the inner wall both sides of tailstock 1 all peg graft and have regulation structure 3, adjust structure 3 and elasticity joint structure 2 phase-match.
Connect lathe main body through tailstock 1 to through the effect of connecting rod 5, connect tailstock 1 and four-jaw chuck 6, guarantee that four-jaw chuck 5 dismantles simple to operate, through the effect of elasticity joint structure 2, guarantee effectual to the restriction of connecting rod 5, guarantee the fixed effect of connecting rod 5 simultaneously, through adjusting structure 3, conveniently adjust elasticity joint structure 2, thereby control elasticity joint structure 2 is to the restriction effect of connecting rod 5, therefore the practicality is strong, installation convenient to use.
When adjusting structure 3 downstream, can extrude kicking block 21 and move towards the direction of connecting rod 5, kicking block 21 drives kelly 23 and slowly inserts in connecting rod 5, and extrusion spring 22 makes it take place deformation, after kelly 23 inserts connecting rod 5 completely, will adjust structure 3 fixed, connecting rod 5 was installed in tailstock 1 this moment, guarantees the result of use.
Adjust structure 3 and include nut 33, nut 33 fixed mounting is in the inner wall of tailstock 1, the inner wall spiro union of nut 33 has screw rod 32, the upper end fixed mounting of screw rod 32 has changeing 31, the lower extreme fixed mounting of screw rod 32 has bull stick 34, bull stick 34 and nut 33 clearance fit, the lower extreme of screw rod 32 rotates and is equipped with wedge 35, the top surface of wedge 35 is the rectangle, and wedge 35 laminates with the inner wall of tailstock 1 mutually, wedge 35 closely laminates with elasticity joint structure 2, and the hypotenuse of wedge 35 is higher than the one end of keeping away from elasticity joint structure 2 near the one end of elasticity joint structure 2.
When needs use regulation structure 3, at first press down and change 31, drive screw rod 32 and bull stick 34 towards the downstream, the inner wall downstream of bull stick 34 laminating nut 33 this moment, and drive wedge 35 downstream, because wedge 35 top surface is the rectangle, and laminate with the inner wall of tailstock 1, wedge 35 self can not rotate this moment, extrude elasticity joint structure 2 through wedge 35 simultaneously and move towards connecting rod 5, after the installation of elasticity joint structure 2 is accomplished, rotate and change 31, drive screw rod 32 spiro union in nut 33, it is fixed to accomplish.
The upper end and the lower end of the top block 21 are fixedly provided with a support block 4, and the support block 4 is tightly attached to the inner wall of the tailstock 1.
The support block 4 can limit the motion track of the top block 21 and keep horizontal displacement.
A hollow cylinder is arranged between the tailstock 1 and the connecting rod 5, the hollow cylinder is fixedly assembled on the inner wall of the tailstock 1, and the hollow cylinder is in clearance fit with the connecting rod 5.
The hollow cylinder may function as a protection for the connecting rod 5.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a four-jaw chuck is used to lathe tailstock which characterized in that: including tailstock (1), the inner wall of tailstock (1) is pegged graft and is had connecting rod (5), the upper end of connecting rod (5) is rotated and is equipped with four-jaw chuck (6), the inner wall both sides of tailstock (1) all run through and are equipped with elasticity joint structure (2), two elasticity joint structure (2) all with connecting rod (5) looks joint, the inner wall both sides of tailstock (1) are all pegged graft and are had regulation structure (3), regulation structure (3) and elasticity joint structure (2) phase-match, elasticity joint structure (2) are including kelly (23), the one end of kelly (23) runs through tailstock (1) and pegs graft in the inner wall of connecting rod (5), the other end of kelly (23) is fixed to be equipped with kicking block (21), one side that kicking block (21) are close to kelly (23) is the plane, one side that kelly (23) were kept away from to kicking block (21) is smooth curved surface, the outer wall of kelly (23) cup joints spring (22), the one end and the plane of kicking block (21) link to each other end closely with smooth curved surface of adjusting block (3), the curved surface of adjusting block (3) is inseparable.
2. The four-jaw chuck for a lathe tailstock according to claim 1, wherein: adjust structure (3) including nut (33), nut (33) fixed assembly is in the inner wall of tailstock (1), the inner wall spiro union of nut (33) has screw rod (32), the upper end fixed assembly of screw rod (32) is changeed (31), the fixed bull stick (34) that is equipped with of lower extreme of screw rod (32), bull stick (34) and nut (33) clearance fit, the lower extreme of screw rod (32) rotates and is equipped with wedge (35), the top surface of wedge (35) is the rectangle, just wedge (35) laminates with the inner wall of tailstock (1), wedge (35) closely laminates with elasticity joint structure (2), just the hypotenuse of wedge (35) is higher than the one end of keeping away from elasticity joint structure (2) near elasticity joint structure (2).
3. The four-jaw chuck for a lathe tailstock according to claim 2, wherein: the upper end and the lower end of the ejector block (21) are fixedly provided with a support block (4), and the support block (4) is tightly attached to the inner wall of the tailstock (1).
4. The four-jaw chuck for a lathe tailstock according to claim 1, wherein: a hollow cylinder is arranged between the tailstock (1) and the connecting rod (5), the hollow cylinder is fixedly assembled on the inner wall of the tailstock (1), and the hollow cylinder is in clearance fit with the connecting rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220920183.9U CN218135035U (en) | 2022-04-20 | 2022-04-20 | Four-jaw chuck for lathe tailstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220920183.9U CN218135035U (en) | 2022-04-20 | 2022-04-20 | Four-jaw chuck for lathe tailstock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218135035U true CN218135035U (en) | 2022-12-27 |
Family
ID=84573256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220920183.9U Active CN218135035U (en) | 2022-04-20 | 2022-04-20 | Four-jaw chuck for lathe tailstock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218135035U (en) |
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2022
- 2022-04-20 CN CN202220920183.9U patent/CN218135035U/en active Active
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