CN203853805U - Finish turning chuck positioning turning fixture - Google Patents
Finish turning chuck positioning turning fixture Download PDFInfo
- Publication number
- CN203853805U CN203853805U CN201420204087.XU CN201420204087U CN203853805U CN 203853805 U CN203853805 U CN 203853805U CN 201420204087 U CN201420204087 U CN 201420204087U CN 203853805 U CN203853805 U CN 203853805U
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- China
- Prior art keywords
- soft pawl
- turning
- level
- claw
- soft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 238000007514 turning Methods 0.000 title claims abstract description 56
- 210000000078 claw Anatomy 0.000 claims abstract description 43
- 238000003754 machining Methods 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- Gripping On Spindles (AREA)
Abstract
The utility model provides a finish turning chuck positioning turning fixture. The fixture comprises a claw base slidingly connected to a chuck body, and a primary soft claw and a secondary soft claw which are respectively fixed on the chuck base and are arranged in a nesting manner as well as a tension ring for positioning, wherein the primary soft claw is matched with the tension ring; the secondary soft claw is pressed against a machined workpiece in a matching way. Finish self-turning on the secondary soft claw and accurate positioning and clamping on the machined workpiece are respectively realized through the primary soft claw and the secondary soft claw which are arranged in a nesting manner, and the tension ring for positioning does not need to be consumed; the positions of the primary soft claw and the secondary soft claw are relatively fixed, so that every time when the primary soft claw is subjected to self turning by utilizing the tension ring for positioning, the tension ring is clamped or expanded tightly after the self turning of the primary soft claw, thus working allowance can be provided for the self turning of the secondary soft claw all the time, the precision requirement of the finish self turning can be ensured, the accurate positioning and clamping on the machined workpiece can be realized, and sufficient machining space is provided.
Description
Technical field
The utility model relates to a kind of precision from the machine tooling field of car, is specially a kind of finish turning chuck location turning clamp.
Background technology
Finish turning is the finishing step in machine tooling technique, need to guarantee the dimensional tolerance of product, line position tolerance, and the corresponding requirements of surface roughness, each required standard is all higher than rough turn; Chuck is on lathe, to be used for the mechanical device of clamping work pieces, its utilization is distributed on moving radially of movable jaw on chuck body, the machine tool accessories of Workpiece clamping and location, conventionally be arranged on lathe, cylindrical grinder and internal grinder and use, also can coordinate with various indexing means, for milling machine and drilling machine.
In turning in batches during larger workpiece, in order to improve workpiece in the non-cutting time that adds the positioning precision in man-hour and save workpiece while installing, can utilize soft dog chuck.In order to change at any time according to actual needs pawl face arc diameter and shape, the claw that scroll chuck is quenched, changes as mild steel, copper or aluminium alloy claw.If chuck jaw is two bodies, claw can be changed into soft metal; If claw is one, can on claw, fix a soft metal piece.After the claw processing of soft dog chuck, can improve the positioning precision of workpiece, and soft dog chuck clamping machined surface or soft metal, be difficult for crushing surface, be applicable to machined surface as positioning accurate benchmark, when producing in enormous quantities, carry out half finish turning and the finish turning of workpiece.
The adjustment that soft dog chuck is correct and turning are the most important condition that guarantees soft dog chuck precision.The bottom surface of soft pawl and positioning table, should join with claw base cunning and correctly locate.During the soft pawl of turning, in order to eliminate gap, cylinder or the annulus of suitable diameter must be installed in claw or outside claw, the position that they are installed at soft pawl, should be consistent with the direction of Workpiece clamping, otherwise can not guarantee workpiece positioning precision.When workpiece is clamping, cylinder should be clamped in chuck jaw the inside and carry out the soft pawl pawl of car face, and when workpiece is tensioner, annulus should be arranged on chuck jaw outside, the soft pawl of turning outside.According to required precision, the pawl face of soft pawl and workpiece size car must be more approaching better, but actual conditions of the prior art are, to different workpieces, cannot find appropriate location ring or positioning cylinder to realize from car, particularly after changing, soft nail-press need turning again to add man-hour, just need again turning locating ring to satisfy the demands or continue the soft pawl setting circle that obtains being similar to the original soft pawl of locating ring turning, therefore add at every turn and all need man-hour locating ring or soft pawl to carry out turning, locating ring can being consumed from car along with soft pawl, not only caused the waste to locating ring, and all by the soft dog chuck processing under different turning situations, obtained with a collection of part, must affect the positioning precision of processing work, cannot realize uniform precision clamps from car and uniform location, thin-walled parts particularly, while there is deviation in the precision of soft pawl setting circle, can cause the distortion of thin-walled parts, circularity to workpiece, the form and position tolerance such as beat can produce harmful effect, positioning precision is poor, cannot meet required precision.
Utility model content
For problems of the prior art, the utility model provides a kind of finish turning chuck location turning clamp, and it can guarantee the positioning precision of finish turning chuck, avoids the loss of positioning workpieces, has improved the precision of turning processing.
The utility model is to be achieved through the following technical solutions:
A finish turning chuck location turning clamp, comprises the claw pedestal being slidably connected in chuck body, is separately fixed at the soft pawl of the soft pawl of the first order and the second level that is nested arrangement on claw pedestal, and the tightening hoop for locating; The soft pawl of the described first order coordinates with tightening hoop; The soft pawl in the described second level coordinates compression with processing work.
Preferably, when the soft pawl in the second level is when the clamping machining workpiece, the soft pawl of the first order is arranged on the inner side of the soft pawl in the second level, and with tightening hoop clamping engagement; When the soft pawl in the second level is used for tensioner processing work, the soft pawl of the first order is arranged on the outside of the soft pawl in the second level, and coordinates with tightening hoop tensioner.
Further, also comprise the support ring for processing work end face location, support ring successively by star backing plate and fixedly cushion block be fixedly installed in chuck body; The support arm of star backing plate and claw pedestal are alternately arranged; The fixedly support arm corresponding setting one by one of cushion block and star backing plate.
Further again, three claw pedestals are evenly set in chuck body, star backing plate is evenly provided with three support arms.
Preferably, the soft pawl of the soft pawl of the first order and the second level is fixed by screws in respectively on claw pedestal.
Compared with prior art, the utlity model has following useful technique effect:
A kind of finish turning chuck of the utility model location turning clamp, by being the soft pawl of the soft pawl of the first order and the second level of nested arrangement, realize respectively the precision of the soft pawl in the second level is clamped from car with to the accurate location of processing work, and without the tightening hoop consuming for locating; The soft pawl of the first order is relative fixing with Ruan Zhao position, the second level, thereby when utilizing tightening hoop location from car by the soft pawl of the first order at every turn, by first to the soft pawl of the first order after car to the clamping of tightening hoop or tensioner, thereby all the time can be for the soft pawl in the second level from car, provide allowance, guarantee the accurate required precision from car, the soft pawl in the second level can be realized the accurate location of processing work is clamped; Nested arrangement can avoid the soft pawl of the first order and processing work to interfere simultaneously, for processing work provides sufficient processing space.
Further, the support ring utilize arranging is realized the end face location to processing work, has guaranteed its accurate clamping position, for the processing of processing work provides stable axial location.
Further, by the claw pedestal of even setting, realize being uniformly distributed of first and second grade of soft pawl, thereby guaranteed tightening hoop and the uniform and stable effect of processing work to install additional, avoided the distortion producing due to clamping.
Further, by screw, realize being connected of first and second grade of soft pawl and claw pedestal, can realize easily dismounting, adjust and safeguard, thereby can be according to the processing request of concrete processing work, select the soft pawl of the first order with respect to the position of the soft pawl in the second level, for processing work reserves clamping and processing space, wide accommodation, workable.
Accompanying drawing explanation
Fig. 1 is the half sectional view of clamp processing work described in the utility model.
Fig. 2 is the right view of fixture described in Fig. 1.
Fig. 3 is the half sectional view of fixture tensioner processing work described in the utility model.
Fig. 4 is the right view of fixture described in Fig. 3.
In figure: 1 is claw pedestal, 2 is support ring, and 3 is the soft pawl in the second level, and 4 is the soft pawl of the first order, and 5 is star backing plate, and 6 is tightening hoop, and 7 is fixing cushion block, and 8 is chuck body, and 9 is processing work.
The specific embodiment
Below in conjunction with specific embodiment, the utility model is described in further detail, described in be to explanation of the present utility model rather than restriction.
A kind of finish turning chuck of the utility model location turning clamp, as shown in figures 1 and 3, it comprises the claw pedestal 1 being slidably connected in chuck body 8, is separately fixed at the soft pawl 3 of the soft pawl 4 of the first order and the second level that is nested arrangement on claw pedestal 1, and the tightening hoop 6 for locating; The soft pawl 4 of the described first order coordinates with tightening hoop 6; The soft pawl 3 in the described second level coordinates compression with processing work 9; As shown in Figure 1, when the soft pawl 3 in the second level is during for clamping machining workpiece 9, the soft pawl 4 of the first order is arranged on the inner side of the soft pawl 3 in the second level, and with tightening hoop 6 clamping engagement; As shown in Figure 3, when the soft pawl 3 in the second level is during for tensioner processing work 9, the soft pawl 4 of the first order is arranged on the outside of the soft pawl 3 in the second level, and coordinates with tightening hoop 6 tensioners.
As shown in Figure 1, during use, chuck pedestal 1 can drive the soft pawl 3 of the soft pawl 4 of the first order and the second level to slide with respect to chuck body 8; The soft pawl 4 of the first order mainly plays the accurate soft pawl 3 of assisting from the car second level, and the soft pawl 3 in the second level is for clamping machining workpiece.Wherein the soft pawl 4 of the first order is with a tightening hoop 6 that size is fixing, while needing again from the soft pawl 3 in the car second level after switching soft pawl, first soft pawl 4 cars of the first order are gone to certain surplus, then with the soft pawl 4 of the tightening hoop 6 banding first order soft pawl 3 in the second level of sending a car, so neither can be because car causes waste for the tightening hoop of locating, can go out the size very approaching with processing work 9 setting circles by car again, improved the positioning precision of soft pawl, reduce the distortion of processing work 9, be more conducive to the form and position tolerance that guarantees that part should guarantee when turning.
In this preferred embodiment, as shown in figures 1 and 3, also comprise the support ring 2 for processing work 9 end faces location, support ring 2 successively by star backing plate 5 and fixedly cushion block 7 be fixedly installed in chuck body 8; The support arm of star backing plate 5 and claw pedestal 1 are alternately arranged; The fixedly support arm corresponding setting one by one of cushion block 7 and star backing plate 5.Wherein, as shown in Figure 2 and Figure 4, three claw pedestals 1 are evenly set in chuck body 8, star backing plate 5 is evenly provided with three support arms.The soft pawl 3 of the soft pawl 4 of the first order and the second level is fixed by screws in respectively on claw pedestal 1.
The finish turning chuck positioning car cutting method of a kind of finish turning chuck location turning clamp based on described in above this preferred embodiment, comprises the steps,
1) the soft pawl 4 of the first order from car; Under claw pedestal 1 relaxed state, the contact-making surface of the soft pawl 4 of the turning first order and tightening hoop 6, when turning completes from car after soft pawl setting circle size to the first order.
2) the soft pawl 3 in the second level from car; Tightening hoop 6 is clamped or tensioner on the soft pawl 4 of the first order completing after car, the contact-making surface of the soft pawl 3 in the turning second level and processing work 9, when turning completes from car after soft pawl setting circle size to the second level; Wherein, the soft pawl setting circle in the second level is of a size of the middle difference size of setting circle in the last operation of processing work 9.
3) by with the contacting of support ring 2, the endface position of location processing work 9; By the soft pawl 3 in the second level after car, clamp or tensioner the shaft core position of location processing work 9; Complete the positioning clamping to processing work 9.
Concrete, as shown in Fig. 1 or Fig. 3, when new fixture is installed and used for the first time, first fixture is installed then tightening hoop 5 to be placed on the soft pawl 4 of the first order and clamp, then on lathe, the soft pawl 3 in the second level is carried out from car, the size car of the soft pawl setting circle in the second level to difference in the setting circle of front operation can be used, during work, use the end face of support ring 2 location processing works 9, the inner circle of using soft pawl 3 clamping machining workpieces 9 in the second level, existing clamping action, has again certralizing ability.While reinstalling to use after fixture is removed, first 3 uniform claw pedestals 1 outwards being moved to a tooth simultaneously installs, and assemble miscellaneous part, then under the lax state of claw, the soft pawl 4 of the first order is carried out from car, car is after the size of the soft pawl locating ring of the first order, again tightening hoop is placed on the soft pawl 4 of the first order and clamps, the soft pawl 3 in the second level is carried out can normally using from car to difference in the setting circle size of front operation on lathe.Precision allowance while not only having guaranteed at every turn to reinstall to use, and the size of tightening hoop 6 fixes, and only realizes the turning to soft pawl, reduced production cost, slowed down finish turning operation, improved operating efficiency.
Utilize the fixing tightening hoop of size as positioning element, the soft pawl of the first order at every turn operating is realized to location, thereby unified anchor point and the operation surplus of the soft pawl in the second level required precision when car have been guaranteed, and then can access the more accurate second level soft pawl setting circle size, guaranteed that the high-precision location of processing work clamps.The restriction of utilization to the second soft pawl setting circle size, the conversion while having simplified turning and operation, improved operating efficiency, also avoided the error of calculation simultaneously, guaranteed machining accuracy.
Claims (5)
1. a finish turning chuck is located turning clamp, it is characterized in that, comprise the claw pedestal (1) being slidably connected in chuck body (8), be separately fixed at the soft pawl of the soft pawl of the first order (4) and the second level (3) that is nested arrangement on claw pedestal (1), and the tightening hoop (6) for locating; The soft pawl of the described first order (4) coordinates with tightening hoop (6); The soft pawl in the described second level (3) coordinates compression with processing work (9).
2. a kind of finish turning chuck according to claim 1 is located turning clamp, it is characterized in that, when the soft pawl in the second level (3) is during for clamping machining workpiece (9), the soft pawl of the first order (4) is arranged on the inner side of the soft pawl in the second level (3), and with tightening hoop (6) clamping engagement; When the soft pawl in the second level (3) is during for tensioner processing work (9), the soft pawl of the first order (4) is arranged on the outside of the soft pawl in the second level (3), and coordinates with tightening hoop (6) tensioner.
3. a kind of finish turning chuck according to claim 2 is located turning clamp, it is characterized in that, also comprise the support ring (2) for processing work (9) end face location, support ring (2) successively by star backing plate (5) and fixedly cushion block (7) be fixedly installed in chuck body (8); The support arm of star backing plate (5) and claw pedestal (1) are alternately arranged; The fixedly support arm corresponding setting one by one of cushion block (7) and star backing plate (5).
4. a kind of finish turning chuck according to claim 3 location turning clamp, is characterized in that, three claw pedestals (1) are evenly set in described chuck body (8), and star backing plate (5) is evenly provided with three support arms.
5. a kind of finish turning chuck according to claim 1 location turning clamp, is characterized in that, the soft pawl of the soft pawl of the described first order (4) and the second level (3) is fixed by screws in respectively on claw pedestal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204087.XU CN203853805U (en) | 2014-04-24 | 2014-04-24 | Finish turning chuck positioning turning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420204087.XU CN203853805U (en) | 2014-04-24 | 2014-04-24 | Finish turning chuck positioning turning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203853805U true CN203853805U (en) | 2014-10-01 |
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ID=51603683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420204087.XU Expired - Lifetime CN203853805U (en) | 2014-04-24 | 2014-04-24 | Finish turning chuck positioning turning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203853805U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949901A (en) * | 2014-04-24 | 2014-07-30 | 西安双特智能传动有限公司 | Positioning and turning clamp and positioning and turning method of finish turning chuck |
| CN107116242A (en) * | 2017-06-28 | 2017-09-01 | 天津职业技术师范大学 | A kind of adjustable chuck and lathe |
-
2014
- 2014-04-24 CN CN201420204087.XU patent/CN203853805U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949901A (en) * | 2014-04-24 | 2014-07-30 | 西安双特智能传动有限公司 | Positioning and turning clamp and positioning and turning method of finish turning chuck |
| CN103949901B (en) * | 2014-04-24 | 2016-04-27 | 西安双特智能传动有限公司 | A kind of finish turning chuck location turning clamp and positioning car cutting method thereof |
| CN107116242A (en) * | 2017-06-28 | 2017-09-01 | 天津职业技术师范大学 | A kind of adjustable chuck and lathe |
| CN107116242B (en) * | 2017-06-28 | 2023-11-03 | 天津职业技术师范大学 | Adjustable chuck and lathe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |