CN110548887B - Adjustable claw of inclined-pulling chuck - Google Patents
Adjustable claw of inclined-pulling chuck Download PDFInfo
- Publication number
- CN110548887B CN110548887B CN201910787942.1A CN201910787942A CN110548887B CN 110548887 B CN110548887 B CN 110548887B CN 201910787942 A CN201910787942 A CN 201910787942A CN 110548887 B CN110548887 B CN 110548887B
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- Prior art keywords
- chuck
- clamping
- saw teeth
- arm
- clamping seat
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- 210000000078 claw Anatomy 0.000 title claims abstract description 46
- 239000011295 pitch Substances 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 abstract description 11
- 238000003754 machining Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/103—Retention by pivotal elements, e.g. catches, pawls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides an adjustable claw of a diagonal chuck, which comprises a chuck, a clamping seat and a claw, wherein the clamping seat is arranged on a working surface of the chuck, the claw is connected with the clamping seat, the adjustable claw also comprises a secondary clamping seat, the secondary clamping seat is clamped between the clamping seat and the claw, a plurality of first saw teeth are arranged on the end surface of the secondary clamping seat, which is away from the chuck, a plurality of second saw teeth are arranged on the end surface of the claw, which is towards the chuck, the first saw teeth and the second saw teeth have the same specification, the first saw teeth and the second saw teeth are meshed to lock the relative positions of the claw and the secondary clamping seat, and the first saw teeth and the second saw teeth are matched for use and are also used for adjusting the clamping range of the claw. According to the clamping device, the auxiliary clamping seat is added on the clamping seat, the saw teeth capable of being meshed with each other are arranged on the contact surface of the auxiliary clamping seat and the clamping jaw, the clamping jaw is locked through the saw teeth in a meshed mode, radial displacement of the clamping jaw is prevented, clamping accuracy and firmness of the chuck are improved, and machining accuracy and production safety are guaranteed.
Description
Technical Field
The invention relates to the technical field of clamps, in particular to an adjustable claw of a diagonal chuck.
Background
In the machine tool industry, the three-jaw chuck has very wide application, and almost all rotary parts are processed by the three-jaw chuck. The inclined three-jaw chuck can simultaneously clamp a workpiece in the radial direction and pull the workpiece back in the axial direction, and the workpiece does not float, so that the inclined three-jaw chuck is suitable for heavy cutting and forging processing. The inclined three-jaw chuck has the following defects in the using process: 1. the clamping precision is low: in the stress process of the three parallel clamping jaws, the gap of the sliding fit surface and the stress deformation of the clamping jaws can cause radial micro displacement in the clamping process of the workpiece, so that the end surface of the workpiece is not attached to the positioning surface of the chuck, and the parallelism and coaxiality of the processed workpiece are larger; 2. clamping is not firm: when a workpiece with a draft angle is processed, an axially outward component force is generated in the clamping process, the removal amount is large in the workpiece processing process, and when the cutting force becomes large, the workpiece is easily caused to fly away from the clamp, so that equipment is damaged and personnel are damaged.
Disclosure of Invention
Aiming at the defects in the prior art, the adjustable claw of the inclined pull type chuck solves the technical problems of low clamping precision and unstable clamping of the traditional inclined pull type chuck.
In order to achieve the above object, the present invention is realized by the following technical scheme:
the utility model provides an adjustable jack catch of cable-stayed chuck, includes chuck, cassette and jack catch, the cassette sets up on the chuck working face, the jack catch with the cassette is connected, still includes vice cassette, vice cassette clamp is located between cassette and the jack catch, vice cassette deviates from be equipped with a plurality of first sawtooth on the terminal surface of chuck, the jack catch orientation be equipped with a plurality of second sawtooth on the terminal surface of chuck, first sawtooth is the same with the second sawtooth specification, first sawtooth and second sawtooth meshing are in order to lock dead jack catch and vice cassette relative position, first sawtooth is used still to be used for the adjustment with the cooperation of second sawtooth the centre gripping scope of jack catch.
Optionally, the jack catch has three, and three the jack catch is in on the chuck circumference equipartition, adjacent two form between the jack catch adjacent first face and the second face that sets up, be equipped with the scale on the first face, be equipped with the instruction arm on the second face, three groups scale and instruction arm cooperate respectively in order to guarantee three the jack catch is tangent in first periphery.
Optionally, the scale is perpendicular to the indicator arm.
Optionally, when the three claws are tangent to the first circumferential surface, the three scales are tangent to the second circumferential surface, and the three indicating arms are tangent to the third circumferential surface, and the second circumferential surface is the same as or different from the third circumferential surface.
Optionally, scale marks are arranged on the scale, and the intervals of the scale marks correspond to the tooth pitch of the first saw teeth.
Optionally, the one end that the instruction arm kept away from the jack catch is equipped with flexible arm, flexible arm cover is established in the instruction arm and can follow the instruction arm stretches out or stretches into, flexible arm with the scale butt.
Optionally, a guide rod is arranged in the indication arm, a spring is sleeved on the guide rod, a guide groove is formed in the telescopic arm, the guide groove corresponds to the guide rod in position, one end of the spring is in contact with the indication arm, and the other end of the spring is in contact with the telescopic arm.
Optionally, a pointer is disposed on a side of the telescopic arm facing away from the chuck, and the pointer cooperates with the scale marks to determine that three jaws are tangential to the first circumferential surface.
Optionally, the clamping jaw further comprises a limiting block, a first groove is further formed in the end face, deviating from the chuck, of the auxiliary clamping seat, a second groove is further formed in the end face, facing the chuck, of the clamping jaw, the second groove corresponds to the first groove in position, and the limiting block is simultaneously embedded in the first groove and the second groove.
Optionally, a supporting claw is further arranged in the center of the chuck working surface, and the supporting claw is used for abutting against a workpiece clamped by the claw.
According to the technical scheme, the beneficial effects of the invention are as follows:
the invention provides an adjustable claw of a diagonal chuck, which comprises a chuck, a clamping seat and a claw, wherein the clamping seat is arranged on a working surface of the chuck, the claw is connected with the clamping seat, the adjustable claw also comprises a secondary clamping seat, the secondary clamping seat is clamped between the clamping seat and the claw, a plurality of first saw teeth are arranged on the end surface of the secondary clamping seat, which is away from the chuck, a plurality of second saw teeth are arranged on the end surface of the claw, which is towards the chuck, the first saw teeth and the second saw teeth have the same specification, the first saw teeth and the second saw teeth are meshed to lock the relative positions of the claw and the secondary clamping seat, and the first saw teeth and the second saw teeth are matched for use and are also used for adjusting the clamping range of the claw. According to the clamping device, the auxiliary clamping seat is added on the clamping seat, the saw teeth capable of being meshed with each other are arranged on the contact surface of the auxiliary clamping seat and the clamping jaw, the clamping jaw is locked through the saw teeth in a meshed mode, radial displacement of the clamping jaw is prevented, clamping accuracy and firmness of the chuck are improved, and machining accuracy and production safety are guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is an exploded view of an adjustable jaw of a cable-stayed chuck;
FIG. 2 is a front view of the adjustable jaw of the cable stayed chuck;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is a schematic view of the structure of the indicator arm;
FIG. 5 is an enlarged schematic view at B in FIG. 4;
FIG. 6 is a schematic structural view of a claw;
FIG. 7 is a schematic perspective view of the adjustable jaws of the diagonal chuck;
reference numerals:
the clamping device comprises a 1-chuck, a 2-clamping seat, a 3-auxiliary clamping seat, a 4-limiting block, a 5-claw, a 6-supporting claw and an 8-gear;
31-first groove, 51-first face, 52-second face, 53-scale, 54-indicator arm, 55-telescoping arm, 56-mounting groove, 57-second groove, 71-first serration, 72-second serration;
531-scale marks, 541-guide rods, 542-springs, 543-limit doors, 544-notch grooves, 551-pointers, 552-guide grooves and 553-wing plates.
Description of the embodiments
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
In the description of the present application, it should be understood that the terms "toward," "away from," and the like indicate an orientation or positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or element in question must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application can be understood by those of ordinary skill in the art in a specific context.
Referring to fig. 1-7, the adjustable jaw of a diagonal chuck provided by the application comprises a chuck 1, a clamping seat 2 and a jaw 5, wherein the clamping seat 2 is arranged on a working surface of the chuck 1, the jaw 5 is connected with the clamping seat 2, the adjustable jaw further comprises a sub-clamping seat 3, the sub-clamping seat 3 is clamped between the clamping seat 2 and the clamping seat 5, a plurality of first saw teeth 71 are arranged on an end surface, facing away from the chuck 1, of the sub-clamping seat 3, a plurality of second saw teeth 72 are arranged on an end surface, facing towards the chuck 1, of the clamping jaw 5, the first saw teeth 71 and the second saw teeth 72 are identical in specification, the first saw teeth 71 and the second saw teeth 72 are meshed to lock the relative positions of the jaw 5 and the sub-clamping seat 3, and the first saw teeth 71 and the second saw teeth 72 are matched for use to be used for adjusting the clamping range, namely the clamping diameter, of the clamping jaw 5. Specifically, the auxiliary clamping seat 3 and the clamping claw 5 are fastened on the clamping seat 2 through bolts. Through add vice cassette 3 on cassette 2, vice cassette 3 is connected with cassette 2 towards the terminal surface of chuck 1, vice cassette 3 deviate from chuck 1 the terminal surface with jaw 5 is connected, sets up intermeshing's sawtooth on the contact surface of vice cassette 3 and jaw 5, locks the jaw through the sawtooth meshing, prevents that the jaw from taking place radial displacement, has improved chuck clamping precision and fastness, has ensured machining precision and production safety.
As a further improvement to the above technical solution, referring to fig. 2, three claws 5 are uniformly distributed on the circumference of the chuck 1, a first surface 51 and a second surface 52 are formed between two adjacent claws 5, a scale 53 is disposed on the first surface 51, an indicating arm 54 is disposed on the second surface 52, and three groups of the scale 53 and the indicating arm 54 are respectively matched to ensure that the three claws 5 are tangential to the first circumferential surface. Preferably, scale marks 531 are provided on the scale 53, and the pitch of the scale marks 531 corresponds to the pitch of the first saw teeth 71. In one embodiment, referring to fig. 7, the scale 53 is perpendicular to the indicator arm 54, and the scale 53 and the indicator arm 54 are parallel to the working surface of the chuck 1, so that the pitch of the scale mark is 1.5 times of the pitch of the first saw teeth, i.e. the stroke is enlarged, and the scale mark is more beneficial for the operator to read than the saw teeth with smaller pitch. Specifically, as the included angle of two adjacent claws is 120 degrees and the radial displacement amounts of the claws are equal, the relative displacement amount of the indicating arm on the scale is (1+sin30 degrees) times the radial displacement amount, namely, the claws move by one tooth pitch, and the indicating arm moves by 1.5 tooth pitches relative to the scale. It is noted that the above embodiments are easy to implement, but other non-parallel and/or non-perpendicular embodiments may achieve similar benefits. Because this application accessible sawtooth meshing is adjusted the centre gripping diameter of jack catch, and the shortcoming of sawtooth regulation is the displacement volume of the relative vice cassette of jack catch of being difficult to confirm, and then is difficult to confirm whether be located same periphery behind the three jack catch position adjustment, if not at same periphery then influence centre gripping reliability and centre gripping precision, this embodiment converts the relative displacement volume of jack catch and vice cassette into the relative displacement volume of instruction arm and scale, reads through the scale mark on the scale radial displacement volume, and then confirm whether three jack catch is located same periphery, and is convenient directly perceivedly, easy to operate.
As a further improvement of the above-mentioned technical solution, when three of the claws 5 are tangent to a first circumferential surface, three of the scales 53 are tangent to a second circumferential surface, and three of the indicating arms 54 are tangent to a third circumferential surface, which is the same as or different from the third circumferential surface. The position relation of the second circumferential surface and the third circumferential surface only affects the setting position of the zero scale value of the scale mark, and does not affect the reading.
As a further improvement of the above technical solution, referring to fig. 3, a telescopic arm 55 is disposed at an end of the indicating arm 54 away from the claw 5, the telescopic arm 55 is sleeved in the indicating arm 54 and can extend out or extend into the indicating arm 54, and the telescopic arm 55 abuts against the scale 53. In one embodiment, referring to fig. 4, a guide rod 541 is disposed in the indicating arm 54, a spring 542 is sleeved on the guide rod 541, a guide slot 552 is disposed on the telescopic arm 55, the guide slot 552 corresponds to the guide rod 541 in position, one end of the spring 542 abuts against the indicating arm 54, and the other end of the spring 542 abuts against the telescopic arm 55. Preferably, referring to fig. 4 and 5, the outlet of the indicator arm 54 is provided with a limiting door 543, the upper surface of the indicator arm 54 is provided with a notch slot 544, the notch slot 544 is disposed at one end of the limiting door 543 facing away from the telescopic arm 55, two sides of the end surface of the telescopic arm 55, which is close to the indicator arm 54, are provided with wing plates 553, the wing plates 553 are adapted to the notch slot 544, and the limiting door 543 blocks the wing plates 553 from passing through the outlet. When the telescopic arm 55 is installed, the wing plate 553 is inserted into the indicating arm 54 from the notch 544, so that the outlet only allows the main body of the indicating arm 54 to pass through due to the limiting door 543, and the wing plate 553 on the indicating arm 54 cannot pass through the outlet, so that the telescopic arm 55 is not easy to separate from the indicating arm 54. Preferably, referring to fig. 3, a pointer 551 is disposed on a side of the telescopic arm 55 facing away from the chuck 1, and the pointer 551 cooperates with a scale line 531 to determine that three of the jaws 5 are tangential to the first circumferential surface.
As a further improvement to the above technical solution, referring to fig. 1 and 6, the adjustable jaw of the diagonal chuck further includes a limiting block 4, the end surface of the sub-chuck 3 facing away from the chuck 1 is further provided with a first groove 31, the end surface of the jaw 5 facing toward the chuck 1 is further provided with a second groove 57, the second groove 57 corresponds to the first groove 31 in position, the limiting block 4 is simultaneously embedded in the first groove 31 and the second groove 57, and the setting of the limiting block 4 limits the left-right offset of the jaw 5.
As a further improvement of the above technical solution, a supporting claw 6 is further arranged in the center of the working surface of the chuck 1, and the supporting claw 6 is used for abutting against the workpiece clamped by the claw 5. The end face of the claw 5, which is close to the axis of the chuck 1, is an arc surface so as to be convenient for clamping tools.
As a further improvement to the above technical solution, referring to fig. 6, mounting grooves 56 are provided on two sides of the claw 5, so that only one threaded hole needs to be provided on the side wall of the claw 5, the indication arm 54 or the scale 53 is mounted on the claw 5 through bolting, and the groove edge of the mounting groove 56 cooperates with the scale 53 or the indication arm 54 to limit the rotational freedom degree, so that the scale 53 or the indication arm 54 is easy to be mounted and dismounted. It should be noted that the mounting groove 56 may be a clamping groove, the mounting end of the scale 53 is provided with a buckle, and the mounting end of the indicating arm 54 is also provided with a buckle, that is, a similar beneficial effect can be achieved by adopting a buckle connection.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention, and are intended to be included within the scope of the appended claims and description.
Claims (7)
1. The utility model provides an adjustable jack catch of cable-stayed chuck, includes chuck (1), cassette (2) and jack catch (5), cassette (2) set up on chuck (1) working face, jack catch (5) with cassette (2) are connected, its characterized in that: the clamping device comprises a chuck (1) and is characterized by further comprising a sub-clamping seat (3), wherein the sub-clamping seat (3) is clamped between the clamping seat (2) and a clamping jaw (5), a plurality of first saw teeth (71) are arranged on the end face, facing away from the chuck (1), of the sub-clamping seat (3), a plurality of second saw teeth (72) are arranged on the end face, facing towards the chuck (1), of the clamping jaw (5), the first saw teeth (71) and the second saw teeth (72) are identical in specification, the first saw teeth (71) are meshed with the second saw teeth (72) to lock the relative positions of the clamping jaw (5) and the sub-clamping seat (3), and the first saw teeth (71) and the second saw teeth (72) are matched for use and are also used for adjusting the clamping range of the clamping jaw (5).
The clamping jaws (5) are three, the three clamping jaws (5) are uniformly distributed on the circumference of the chuck (1), a first surface (51) and a second surface (52) which are adjacently arranged are formed between two adjacent clamping jaws (5), a scale (53) is arranged on the first surface (51), an indicating arm (54) is arranged on the second surface (52), and three groups of the scale (53) and the indicating arm (54) are respectively matched to ensure that the three clamping jaws (5) are tangential to the first circumferential surface; when the three clamping jaws (5) are tangential to the first circumferential surface, the three scales (53) are tangential to the second circumferential surface, the three indicating arms (54) are tangential to the third circumferential surface, and the second circumferential surface is identical or different from the third circumferential surface;
the center of the working surface of the chuck (1) is also provided with a supporting claw (6), and the supporting claw (6) is used for abutting against a workpiece clamped by the claw (5).
2. The diagonal chuck adjustable jaw of claim 1, wherein: the scale (53) is perpendicular to the indicator arm (54).
3. The diagonal chuck adjustable jaw of claim 1, wherein: scale marks (531) are arranged on the scale (53), and the intervals of the scale marks (531) correspond to the tooth pitches of the first saw teeth (71).
4. A diagonal chuck adjustable jaw according to claim 3, wherein: the one end that instruction arm (54) kept away from jack catch (5) is equipped with flexible arm (55), flexible arm (55) cover is established in instruction arm (54) and can follow instruction arm (54) stretches out or stretches into, flexible arm (55) with scale (53) butt.
5. The diagonal chuck adjustable jaw of claim 4, wherein: guide rods (541) are arranged in the indication arms (54), springs (542) are sleeved on the guide rods (541), guide grooves (552) are formed in the telescopic arms (55), the guide grooves (552) correspond to the guide rods (541) in position, one ends of the springs (542) are in interference with the indication arms (54), and the other ends of the springs (542) are in interference with the telescopic arms (55).
6. The diagonal chuck adjustable jaw of claim 4, wherein: one side of the telescopic arm (55) deviating from the chuck (1) is provided with a pointer (551), and the pointer (551) is matched with the scale marks (531) to determine that three clamping claws (5) are tangential to the first circumferential surface.
7. The diagonal chuck adjustable jaw of claim 1, wherein: still include stopper (4), vice cassette (3) deviate from still be equipped with first groove (31) on the terminal surface of chuck (1), jack catch (5) orientation still be equipped with second groove (57) on the terminal surface of chuck (1), second groove (57) correspond with first groove (31) position, stopper (4) simultaneously embedded in first groove (31) and second groove (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787942.1A CN110548887B (en) | 2019-08-26 | 2019-08-26 | Adjustable claw of inclined-pulling chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910787942.1A CN110548887B (en) | 2019-08-26 | 2019-08-26 | Adjustable claw of inclined-pulling chuck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110548887A CN110548887A (en) | 2019-12-10 |
| CN110548887B true CN110548887B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910787942.1A Active CN110548887B (en) | 2019-08-26 | 2019-08-26 | Adjustable claw of inclined-pulling chuck |
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| Country | Link |
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| CN (1) | CN110548887B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111805269A (en) * | 2020-07-26 | 2020-10-23 | 重庆神箭汽车传动件有限责任公司 | Tool for honing inner hole by disc teeth |
| CN116117564B (en) * | 2023-01-13 | 2023-08-22 | 广州随尔轮毂有限公司 | Hub machining machine tool |
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| CN210702639U (en) * | 2019-08-26 | 2020-06-09 | 重庆神箭汽车传动件有限责任公司 | Diagonal chuck adjustable clamping jaw |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7198277B2 (en) * | 2004-10-18 | 2007-04-03 | Hayes Lemmerz International, Inc. | Wheel chuck with counterweighted jaws |
| US7594665B2 (en) * | 2007-02-27 | 2009-09-29 | Illinois Tool Works Inc. | Quick-release jaws with a single-piece bearing chuck |
| TWI535510B (en) * | 2014-01-29 | 2016-06-01 | Elastic chuck |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323676A (en) * | 2000-05-16 | 2001-11-28 | 有限会社志田制作所 | Means for clamping work-pieces, and claw therefor |
| CN201565808U (en) * | 2009-12-04 | 2010-09-01 | 山东伊莱特重工有限公司 | Fast clamping fixture of numerical control drilling machine |
| CN103624284A (en) * | 2013-10-25 | 2014-03-12 | 陕西航空电气有限责任公司 | Three-jaw chuck for lathe |
| CN204182950U (en) * | 2014-09-28 | 2015-03-04 | 偃师市恒昌机械模具厂 | A kind of six dog chucks of lathe |
| CN208276201U (en) * | 2018-05-17 | 2018-12-25 | 上海前山管道技术有限公司 | Six dog chucks |
| CN208879732U (en) * | 2018-10-15 | 2019-05-21 | 佛山德亚创智科技有限公司 | Lathe stabilization clamping device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110548887A (en) | 2019-12-10 |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 401336 No. 1 Peony Road, Nan'an District, Chongqing Patentee after: Double ring drive (Chongqing) Precision Technology Co.,Ltd. Country or region after: China Address before: 401336 No. 1 Peony Road, Nan'an District, Chongqing Patentee before: CHONGQING SHENJIAN AUTO TRANSMISSION CO.,LTD. Country or region before: China |