CN211071856U - Elastic center tool for slender workpiece - Google Patents
Elastic center tool for slender workpiece Download PDFInfo
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- CN211071856U CN211071856U CN201921856911.9U CN201921856911U CN211071856U CN 211071856 U CN211071856 U CN 211071856U CN 201921856911 U CN201921856911 U CN 201921856911U CN 211071856 U CN211071856 U CN 211071856U
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- spring
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Abstract
The utility model discloses a top frock of elasticity for long and thin work piece, include: elastic centre and clamping part, the clamping part set up on lathe spindle right side, lathe spindle left side be provided with the end cover, the inside central point of lathe spindle put the department and be provided with the screw rod, the screw rod be located end cover left side department and be equipped with the elasticity nut, the clamping part inner wall be equipped with morse's tapering, the clamping part in be provided with it complex elastic centre, elastic centre include: the center, the spring, the center seat and the center cover. The utility model has the advantages that: the structure is simple, and the elastic center is convenient to disassemble and replace; the tail frame is provided with the oil cylinder, manual pushing is not needed, jacking and positioning are achieved through the auxiliary center, and working efficiency is improved; the adjusting screw rod controls the elastic center, and the pressure of the center part can be conveniently adjusted at any time.
Description
Technical Field
The utility model relates to a machining equipment field, concretely relates to top frock of elasticity for long and thin work piece.
Background
Firstly, making two central holes at one end of a workpiece, making a central hole at the other end of the workpiece, ensuring that the central hole and the other two central holes are on the same plane, aligning the two central holes on one surface of the workpiece with a double-tip tool, using an automatic tailstock to push against a central hole on the other surface of the workpiece at the other end of the workpiece, applying a certain pressure, and clamping and fixing the workpiece to be processed!
The existing elastic center is troublesome to disassemble, complex to replace when damaged, production time is wasted, manual clamping is needed, working efficiency is low, the top pressure of the elastic center cannot be controlled, control is not good when locking is carried out, and a workpiece is easily damaged.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a spring center frock for long and thin work piece.
In order to realize the technical purpose, the utility model discloses a scheme is: a spring center tool for an elongated workpiece, comprising: elastic centre and clamping part, the clamping part set up on lathe spindle right side, lathe spindle left side be provided with the end cover, the inside central point of lathe spindle put the department and be provided with the screw rod, the screw rod be located end cover left side department and be equipped with the elasticity nut, the clamping part inner wall be equipped with morse's tapering, the clamping part in be provided with it complex elastic centre, elastic centre include: the center is T-shaped, the center is arranged in the center seat, an annular boss is arranged on the center, the annular boss is matched with the center seat, the center cover is matched and fixed with the center seat through threads, the spring is arranged on the left side of the annular boss, the left side of the spring is arranged at the right end of the center seat, a workpiece is arranged on the right side of the elastic center, positioning grooves are formed in two ends of the workpiece, an auxiliary center is arranged on the right side of the workpiece, the auxiliary center is arranged on the tailstock, and a thrust oil cylinder is connected to the right side of the tailstock.
The positioning groove is conical.
The right end of the center is matched with the positioning groove on the workpiece.
The left end of the screw is connected with any one of the motor and the oil cylinder.
The right end of the screw rod is a tip end cover, the screw rod is fixed with the tip end cover, any one of threads and welding is selected in the fixing mode, and the tip end cover is connected with the tip seat through a bolt.
Morse taper is an international standard for taper, used for interference fit to precise location.
The utility model has the advantages that: the structure is simple, and the elastic center is convenient to disassemble and replace; the tail frame is provided with the oil cylinder, manual pushing is not needed, jacking and positioning are achieved through the auxiliary center, and working efficiency is improved; the adjusting screw rod controls the elastic center, and the pressure of the center part can be conveniently adjusted at any time.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle spring center of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a specific embodiment of the present invention is a spring center tool for slender workpieces, including: elastic center 3 and clamping part 4, clamping part 4 set up on 2 right sides of lathe main shaft, 2 left sides of lathe main shaft be provided with end cover 9, 2 inside central point of lathe main shaft put the department and be provided with screw rod 1, screw rod 1 be located end cover 9 left side department and be equipped with the elasticity nut, 4 inner walls of clamping part be equipped with morse's tapering, clamping part 4 in be provided with it complex elastic center 3, elastic center 3 include: the center 15 is in a T shape, the center 15 is arranged in the center seat 11, an annular boss 14 is arranged on the center 15, the annular boss 14 is matched with the center cover 13, the center cover 13 is matched and fixed with the center seat 11 through threads, the spring 12 is arranged on the left side of the annular boss 14, the left side of the spring 12 is arranged at the right end of the center seat 11, the right side of the elastic center 3 is provided with a workpiece 5, positioning grooves are formed in two ends of the workpiece 5, an auxiliary center 6 is arranged on the right side of the workpiece 5, the auxiliary center 6 is arranged on the tailstock 7, and the right side of the tailstock 7 is connected with a thrust oil cylinder 8.
The positioning groove is conical.
The right end of the center 15 is matched with a positioning groove on the workpiece.
The left end of the screw rod 1 is connected with any one of a motor and an oil cylinder.
The right end of the screw rod 1 is a tip end cover 10, the screw rod 1 is fixed with the tip end cover 10 in a mode of selecting any one of threads and welding, and the tip end cover 10 is connected with a tip seat 11 through a bolt.
Morse taper is an international standard for taper, used for interference fit to precise location.
The utility model has the advantages that: the structure is simple, and the elastic center is convenient to disassemble and replace; the tail frame is provided with the oil cylinder, manual pushing is not needed, jacking and positioning are achieved through the auxiliary center, and working efficiency is improved; the adjusting screw rod controls the elastic center, and the pressure of the center part can be conveniently adjusted at any time.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (5)
1. A spring center tool for an elongated workpiece, comprising: elastic center (3) and clamping part (4), its characterized in that: clamping part (4) set up on lathe main shaft (2) right side, lathe main shaft (2) left side be provided with end cover (9), the inside central point department of putting of lathe main shaft (2) be provided with screw rod (1), screw rod (1) be located end cover (9) left side department and be equipped with the elasticity nut, clamping part (4) inner wall be equipped with morse's tapering, clamping part (4) in be provided with rather than complex elasticity top (3), elasticity top (3) include: a centre (15), a spring (12), a centre seat (11) and a centre cover (13), the centre (15) is T-shaped, the centre (15) is arranged in the centre seat (11), an annular boss (14) is arranged on the tip (15), the annular boss (14) is matched with the tip cover (13), the center cover (13) is matched and fixed with the center seat (11) through threads, the spring (12) is arranged on the left side of the annular boss (14), the left side of the spring (12) is arranged at the right end of the tip seat (11), a workpiece (5) is arranged on the right side of the elastic center (3), positioning grooves are arranged at two ends of the workpiece (5), the right side of the workpiece (5) is provided with an auxiliary center (6), the auxiliary center (6) is arranged on a tailstock (7), and the right side of the tailstock (7) is connected with a thrust oil cylinder (8).
2. A spring center tool for an elongated workpiece according to claim 1, wherein: the positioning groove is conical.
3. A spring center tool for an elongated workpiece according to claim 1, wherein: the right end of the center (15) is matched with a positioning groove on the workpiece.
4. A spring center tool for an elongated workpiece according to claim 1, wherein: the left end of the screw rod (1) is connected with any one of the motor and the oil cylinder.
5. A spring center tool for an elongated workpiece according to claim 1, wherein: the center is characterized in that the right end of the screw rod (1) is a center end cover (10), the screw rod (1) is fixed with the center end cover (10), any one of threads and welding is selected as a fixing mode, and the center end cover (10) is connected with a center seat (11) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856911.9U CN211071856U (en) | 2019-10-31 | 2019-10-31 | Elastic center tool for slender workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921856911.9U CN211071856U (en) | 2019-10-31 | 2019-10-31 | Elastic center tool for slender workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211071856U true CN211071856U (en) | 2020-07-24 |
Family
ID=71643375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921856911.9U Active CN211071856U (en) | 2019-10-31 | 2019-10-31 | Elastic center tool for slender workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211071856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180401A (en) * | 2021-12-14 | 2022-03-15 | 合肥神马科技集团有限公司 | Bobbin holder chuck locking device |
-
2019
- 2019-10-31 CN CN201921856911.9U patent/CN211071856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180401A (en) * | 2021-12-14 | 2022-03-15 | 合肥神马科技集团有限公司 | Bobbin holder chuck locking device |
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