CN208146947U - The outer clamping spring perch mechanism of numerically controlled lathe rear pull type - Google Patents
The outer clamping spring perch mechanism of numerically controlled lathe rear pull type Download PDFInfo
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- CN208146947U CN208146947U CN201820669148.8U CN201820669148U CN208146947U CN 208146947 U CN208146947 U CN 208146947U CN 201820669148 U CN201820669148 U CN 201820669148U CN 208146947 U CN208146947 U CN 208146947U
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- collet
- connecting rod
- card
- fangs
- guide sleeve
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Abstract
The utility model relates to the technical fields of frock clamp auxiliary equipment, more particularly to clamping spring perch mechanism outside a kind of numerically controlled lathe rear pull type, each of which claw cooperates precision relatively uniform, improve part radial accuracy, and adaptability is improved, claw is enable to reuse when the processing of replacement outer diameter different product every time, cost is reduced, and is convenient for disassembly；Bolt is connected with M16 including connecting rod, adjusting pad, card fangs, guide sleeve, M8 fastening bolt group, collet, collet is fixed on connecting rod by M16 connection bolt, adjusting pad two sides are adjacent to connecting rod and card fangs respectively, and guide sleeve is fixed on card fangs by M8 fastening bolt group.
Description
Technical field
The utility model relates to the technical fields of frock clamp auxiliary equipment, more particularly to a kind of numerically controlled lathe rear pull type
Outer clamping spring perch mechanism.
Background technique
It is well known that numerically controlled lathe mainly processes inner hole and the end face of rotor or gear product of the outer diameter within 80mm,
Such product is higher to Geometrical Tolerance Principle, usually to guarantee concentricity, end face run-out within 0.02mm, the shape of high requirement
Position tolerance is other than the precision to numerically controlled lathe there are certain requirements, and also relatively high to the required precision of fixture, existing fixture is big
Claw is worked into suitable clamping size, under claw relaxed state, part is placed on by mostly traditional scroll chuck structure
In claw, after stepping up, start to process inner bore of part and end face, but cannot to reach cooperation precision completely the same for each of which claw, it is past
Multiple relaxation, the size clamped are inconsistent, cause each claw abrasion condition also not identical, and part radial accuracy is low, and every time
It when replacing the processing of outer diameter different product, needs to re-work the internal diameter of claw, after repeatedly processing the internal diameter of claw, claw will
Not reproducible use, higher cost, and dismantle more difficult.
Summary of the invention
In order to solve the above technical problems, to provide a kind of each claw cooperation precision relatively uniform for the utility model, zero is improved
Part radial accuracy, and every time replacement outer diameter different product processing when, improve adaptability, so that claw is reused, drop
Low cost, and the outer clamping spring perch mechanism of numerically controlled lathe rear pull type being convenient for disassembly.
The outer clamping spring perch mechanism of the numerically controlled lathe rear pull type of the utility model, including connecting rod, adjusting pad, card fangs,
Guide sleeve, M8 fastening bolt group, collet connect bolt with M16, and collet is fixed on connecting rod by M16 connection bolt,
Adjusting pad two sides are adjacent to connecting rod and card fangs respectively, and guide sleeve is fixed on card fangs by M8 fastening bolt group.
The outer clamping spring perch mechanism of the numerically controlled lathe rear pull type of the utility model, connecting rod, adjusting pad, card fangs and guide sleeve
Material is 40Cr mould steel.
The outer clamping spring perch mechanism of the numerically controlled lathe rear pull type of the utility model, collet material are 65Mn spring
Steel.
The beneficial effects of the utility model are compared with prior art：Connecting rod connection card tank and lathe pull rod, for bullet
Spring collet clamps and that unclamps pushes away, pulls work, and for adjusting elastic gap between connecting rod and collet, card fangs is used for adjusting pad
Connection between main shaft of numerical control machine tool and guide sleeve, guide sleeve is for fixed spring clip position and the elastic shape of control collet
State, M8 fastening bolt is for the connection to machine tool chief axis and card fangs, and by tie rods, collet utilizes outer ramp position
It sets, controls inner diameter size, part outer diameter is clamped and is positioned, M16 connection bolt is used for the connection of collet and connecting rod, will be whole
After body is mounted on numerical control lathe main shaft, to being pushed forward, 30 ° of inclined-planes of collet do not contact connecting rod with guide sleeve, and collet is in pine
Under relaxation state, part is put into collet at this time, end face is close to collet, and pull rod pulls back, 30 ° of inclined-planes of collet
It is contacted with guide sleeve, collet slowly tenses, and under tightening state, is clamped to part outer diameter, lathe is closed after clamping
Door, can both part be processed by pressing processing button, and guide sleeve and collet are all integral structures, and guide sleeve and spring clip
Head is the cooperation of 30 ° of inclined-planes, and when stepping up state, center position is consistent, and part geometric tolerance can be obtained preferably when turning part
Guarantee, when replacing other products, each product has an exclusive collet, so replacement collet both can, can be with
Realize fast assembling-disassembling, long service life, this set overall mechanism structure is simple, can oneself making, and it is at low cost, in use, more
Fast assembling-disassembling may be implemented when changing other products, save the time, and when continuous production, collet clamping shrinkage one repeatedly
It causes, improves the machining accuracy of geometric tolerance, prolong the service life, high-volume quantity-produced demand can be met, not except outer diameter
Product other than rule and eccentric element can apply to this mechanism clamping and carry out end face, interior hole machined, substantially increase adaptation
Ability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
It is marked in attached drawing：1, connecting rod；2, adjusting pad；3, card fangs；4, guide sleeve；5, M8 fastening bolt group；6, collet；
7, M16 connection bolt.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1, the outer clamping spring perch mechanism of the numerically controlled lathe rear pull type of the utility model, including connecting rod 1, adjustment
Pad 2, card fangs 3, guide sleeve 4, M8 fastening bolt group 5, collet 6 connect bolt 7 with M16, and collet connects spiral shell by M16
Bolt is fixed on connecting rod, and adjusting pad two sides are adjacent to connecting rod and card fangs respectively, and guide sleeve is fixed on card by M8 fastening bolt group
On fangs；Connecting rod connection card tank and lathe pull rod, for clamping to collet and that unclamps pushes away, pulls work, adjusting pad is used for
Elastic gap between connecting rod and collet is adjusted, card fangs is for the connection between main shaft of numerical control machine tool and guide sleeve, and guide sleeve is for solid
Determine collet position and control the elastic state of collet, M8 fastening bolt is used for the company to machine tool chief axis and card fangs
It connects, by tie rods, collet utilizes outer ramp position, controls inner diameter size, and part outer diameter is clamped and is positioned,
M16 connection bolt is used for the connection of collet and connecting rod, by integral installation on numerical control lathe main shaft after, connecting rod is to being pushed forward, bullet
30 ° of inclined-planes of spring collet are not contacted with guide sleeve, and collet is under relaxed state, and part is put into collet at this time, end
Face is close to collet, and pull rod pulls back, and 30 ° of inclined-planes of collet are contacted with guide sleeve, and collet slowly tenses, in tightening
Under state, part outer diameter is clamped, machine tool door is closed after clamping, can both part be processed by pressing processing button, be led
Set and collet are all integral structures, and guide sleeve and collet are 30 ° of inclined-plane cooperations, when stepping up state, center point
Set consistent, part geometric tolerance can preferably be guaranteed when turning part, and when replacing other products, each product has one
Exclusive collet, thus replacement collet both can, fast assembling-disassembling, long service life, this set overall mechanism may be implemented
Structure is simple, can oneself making, and it is at low cost, in use, fast assembling-disassembling may be implemented when replacing other products, when saving
Between, and when continuous production, clamping shrinkage is consistent repeatedly for collet, improves the machining accuracy of geometric tolerance, extension makes
With the service life, high-volume quantity-produced demand can be met, the product in addition to outer diameter is irregular and eccentric element can apply to
This mechanism clamping carries out end face, interior hole machined, substantially increases adaptability.
The outer clamping spring perch mechanism of the numerically controlled lathe rear pull type of the utility model, connecting rod, adjusting pad, card fangs and guide sleeve
Material is 40Cr mould steel；40Cr mould steel has good wearability and intensity, and the Geometrical Tolerance Principle of card fangs is non-
Chang Yange, concentricity and the depth of parallelism all control within 0.003mm, and geometric tolerance of the guide sleeve on the basis of inner hole exists
Within 0.003mm, operation precision is improved.
The outer clamping spring perch mechanism of the numerically controlled lathe rear pull type of the utility model, collet material are 65Mn spring
Steel；65Mn spring steel has good elasticity and wearability, and being provided with flexible clearance groove on collet side wall makes collet
Have elasticity, the quantity of flexible clearance groove can be designed according to product outside diameter structure, slot clearing end is designed to circle hole shape, such
Design can improve the service life of collet than straight trough, be suitble to clamping repeatedly, produce in enormous quantities.
The outer clamping spring perch mechanism of the numerically controlled lathe rear pull type of the utility model, at work, connecting rod connection card tank
With lathe pull rod, pushes away for what is clamped and unclamp to collet, pulls work, adjusting pad is used to adjust between connecting rod and collet
Elastic gap, card fangs are used for fixed spring clip position and control for the connection between main shaft of numerical control machine tool and guide sleeve, guide sleeve
The elastic state of collet processed, M8 fastening bolt pass through tie rods, spring for the connection to machine tool chief axis and card fangs
Collet utilizes outer ramp position, controls inner diameter size, clamps and positions to part outer diameter, and M16 connection bolt is used for spring clip
The connection of head and connecting rod, by integral installation on numerical control lathe main shaft after, connecting rod is to being pushed forward, and 30 ° of inclined-planes of collet and guide sleeve are not
Contact, collet is under relaxed state, part is put into collet at this time, and end face is close to collet, pull rod to
Post-tensioning, 30 ° of inclined-planes of collet are contacted with guide sleeve, and collet slowly tenses, and under tightening state, are carried out to part outer diameter
It clamps, closes machine tool door after clamping, can both part be processed by pressing processing button, and guide sleeve and collet are all integrated knots
Structure, and guide sleeve and collet are 30 ° of inclined-planes cooperations, when stepping up state, center position is consistent, part shape when turning part
Position tolerance can preferably be guaranteed, and when replacing other products, each product has an exclusive collet, so replacement
Collet both can, fast assembling-disassembling may be implemented, long service life, this set overall mechanism structure is simple, can oneself making, and at
This is low, in use, fast assembling-disassembling may be implemented when replacing other products, saves the time, and when continuous production, collet
Clamping shrinkage is consistent repeatedly, improves the machining accuracy of geometric tolerance, prolongs the service life, and can meet high-volume continuous production
Demand, except outer diameter irregularly and eccentric element in addition to product can apply to this mechanism clamping progress end face, interior hole machined,
Substantially increase adaptability；40Cr mould steel has good wearability and intensity, and the Geometrical Tolerance Principle of card fangs is non-
Chang Yange, concentricity and the depth of parallelism all control within 0.003mm, and geometric tolerance of the guide sleeve on the basis of inner hole exists
Within 0.003mm, operation precision is improved；65Mn spring steel has good elasticity and wearability, is arranged on collet side wall
There is flexible clearance groove that collet is made to have elasticity, the quantity of flexible clearance groove can be designed according to product outside diameter structure, slot is whole
Not-go-end is designed to circle hole shape, such to design the service life that collet is improved than straight trough, is suitble to clamping repeatedly, high-volume
Production.
The outer clamping spring perch mechanism of the numerically controlled lathe rear pull type of the utility model, mounting means, connection type or sets
The mode of setting is common mechanical mode, is implemented as long as can reach the equal of its advantages.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into modification.
Claims (3)
1. a kind of outer clamping spring perch mechanism of numerically controlled lathe rear pull type, which is characterized in that including connecting rod（1）, adjusting pad（2）,
Card fangs（3）, guide sleeve（4）, M8 fastening bolt group（5）, collet（6）Bolt is connected with M16（7）, collet（6）Pass through
M16 connection bolt（7）It is fixed on connecting rod（1）On, adjusting pad（2）Two sides respectively with connecting rod（1）With card fangs（3）It is adjacent to, guide sleeve
（4）Pass through M8 fastening bolt group（5）It is fixed on card fangs（3）On.
2. the outer clamping spring perch mechanism of numerically controlled lathe rear pull type as described in claim 1, which is characterized in that connecting rod（1）, adjust
Whole pad（2）, card fangs（3）And guide sleeve（4）Material is 40Cr mould steel.
3. the outer clamping spring perch mechanism of numerically controlled lathe rear pull type as claimed in claim 2, which is characterized in that collet
（6）Material is 65Mn spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669148.8U CN208146947U (en) | 2018-05-07 | 2018-05-07 | The outer clamping spring perch mechanism of numerically controlled lathe rear pull type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820669148.8U CN208146947U (en) | 2018-05-07 | 2018-05-07 | The outer clamping spring perch mechanism of numerically controlled lathe rear pull type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208146947U true CN208146947U (en) | 2018-11-27 |
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ID=64389269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820669148.8U Active CN208146947U (en) | 2018-05-07 | 2018-05-07 | The outer clamping spring perch mechanism of numerically controlled lathe rear pull type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208146947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618896A (en) * | 2022-01-27 | 2022-06-14 | 中国重型机械研究院股份公司 | Quick-dismantling feeding clamping device of cold pilger mill |
-
2018
- 2018-05-07 CN CN201820669148.8U patent/CN208146947U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618896A (en) * | 2022-01-27 | 2022-06-14 | 中国重型机械研究院股份公司 | Quick-dismantling feeding clamping device of cold pilger mill |
| CN114618896B (en) * | 2022-01-27 | 2024-02-02 | 中国重型机械研究院股份公司 | Quick-dismantling feeding clamping device of cold pilger mill |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 2666, Fengyue Road, Changchun automobile economic and Technological Development Zone, Jilin Province Patentee after: CHANGCHUN NBTM NEW MATERIALS Co.,Ltd. Address before: 130011 Building 834, Information Complex Building, 3505 Puyang Street, Changchun Automobile Economic and Technological Development Zone, Jilin Province Patentee before: CHANGCHUN NBTM NEW MATERIALS Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |