CN219666218U - A control nut mechanism for super smart quick-witted bottom plate is synchronous to open and shut - Google Patents
A control nut mechanism for super smart quick-witted bottom plate is synchronous to open and shut Download PDFInfo
- Publication number
- CN219666218U CN219666218U CN202320355440.3U CN202320355440U CN219666218U CN 219666218 U CN219666218 U CN 219666218U CN 202320355440 U CN202320355440 U CN 202320355440U CN 219666218 U CN219666218 U CN 219666218U
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- closing
- bed body
- base plate
- adjusting
- Prior art date
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 56
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 16
- 238000003754 machining Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a left and right screw mechanism for synchronously opening and closing a base plate of an ultra-fine machine, which comprises a bed body, wherein a front base plate and a rear base plate are symmetrically arranged on the bed body, and left and right fine grinding mechanisms are respectively arranged on the rear base plate and the front base plate. According to the synchronous opening and closing nut mechanism provided by the utility model, the front bottom plate and the rear bottom plate synchronously move forwards and backwards under the drive of the left rotary positioning block, the right rotary positioning block, the short connecting pin and the long connecting pin through the two screw rod fixing flanges. Through adjusting two accommodate the lead screw, realize opening and shutting of roller and remove, in addition through adjusting two accommodate the lead screw to different number of turns respectively, make the short connecting pin slide in the elongated slot, make about being the contained angle form between the finish grinding mechanism to satisfy the operating mode needs, in this way, compensate the error through fine setting, thereby can reduce the machining precision of super finish roller and bottom plate, thereby the manufacturing cost of messenger's equipment reduces, and flexible adjustment structure can be applicable to the processing of multiple specification work piece in addition, makes the processing application scope of equipment wider.
Description
Technical Field
The utility model belongs to the technical field of opening and closing mechanisms of superfinishing machines, and particularly relates to a left and right nut mechanism for synchronously opening and closing a base plate of a superfinishing machine.
Background
The prior superfinishing machine is used for the open-close adjustment of the two bottom plates fixed by the superfinishing roller, adopts the adjustment of the single-rod double-layer seat plate, requires the double-layer bottom plates to have higher parallelism and simultaneously requires the superfinishing roller to have higher cylindricity, so that the part processing of the open-close mechanism is required to have higher precision so as to meet the requirement of superfinishing, and in addition, the original open-close mechanism has insufficient adjustment flexibility when the position of the superfinishing roller is required to be adjusted along with the change of a workpiece;
along with the improvement of the precision and the complexity of the shape of the processed part, the original super-finishing roller opening and closing structure is not suitable for the existing working requirements, so that the utility model of the left and right nut mechanism which is convenient for adjusting the synchronous opening and closing of the bottom plate of the super-finishing roller position is necessary.
Disclosure of Invention
The utility model aims to provide a left and right nut mechanism for synchronously opening and closing a base plate of an superfinishing machine, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a left and right screw mechanism for synchronously opening and closing a bottom plate of a superfinishing machine comprises a bed body, wherein a front bottom plate and a rear bottom plate are symmetrically arranged on the bed body, a left and right fine grinding mechanism is respectively arranged on the rear bottom plate and the front bottom plate, a synchronous opening and closing screw mechanism is arranged between two ends of the front bottom plate and the rear bottom plate and the bed body, and two ends of the front bottom plate and the rear bottom plate are matched with the synchronous opening and closing screw mechanism through a short connecting pin and a long connecting pin respectively;
the synchronous screw mechanism that opens and shuts is including setting up the accommodate the lead screw in preceding bottom plate and back bottom plate both ends below respectively, and accommodate the one end of lead screw and be equipped with lead screw mounting flange, and lead screw mounting flange and a lateral wall normal running fit of the bed body, accommodate the outer wall of lead screw, the below position of preceding bottom plate be equipped with right-hand positioning piece, accommodate the outer wall of lead screw, the below position of back bottom plate be equipped with left-hand positioning piece, and right-hand positioning piece and left-hand positioning piece are cooperation structure with accommodate the lead screw.
Further: the outer wall of the adjusting screw rod is sequentially provided with a left-handed thread, a right-handed thread and an adjusting thread from left to right, and the left-handed thread, the right-handed thread and the adjusting thread are respectively matched with a left-handed positioning block, a right-handed positioning block and a screw rod fixing flange, and a fastening nut is matched on the outer wall of the adjusting thread.
Further: the two ends of the bed body are provided with sliding grooves, the left rotary positioning block and the right rotary positioning block are in sliding fit in the sliding grooves, and the screw rod fixing flange is fixed at one end of the sliding grooves.
Further: and bottom plate fastening bolts for fixing the front bottom plate and the rear bottom plate are arranged between the two ends of the front bottom plate and the rear bottom plate and the bed body.
Further: the left and right fine grinding mechanisms comprise bearing seats respectively fixedly installed at two ends of the front bottom plate and the rear bottom plate, super-fine rollers are arranged between the bearing seats, and the super-fine rollers arranged on the front bottom plate and the rear bottom plate are oppositely arranged.
Further: the matching parts of the front bottom plate and the rear bottom plate and the short connecting pins are provided with long grooves which are axially arranged.
Further: one end of the screw rod fixing flange is in rotary fit with a fixing sleeve, and the fixing sleeve is fixedly connected with the bed body through a bolt.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the synchronous opening and closing nut mechanism, the front bottom plate and the rear bottom plate synchronously move forwards and backwards under the drive of the left rotary positioning block, the right rotary positioning block, the short connecting pin and the long connecting pin through the two screw rod fixing flanges, the opening and closing movement of the pair roller is realized through adjusting the two adjusting screw rods, in addition, the short connecting pin slides in the long groove through respectively adjusting the two adjusting screw rods to different turns, and the left fine grinding mechanism and the right fine grinding mechanism are in an included angle shape, so that the working condition requirement is met, and therefore, the machining precision of the super-precision roller and the bottom plate can be reduced through fine adjustment to compensate errors, the production cost of equipment is reduced, and in addition, the flexible adjusting structure can be suitable for machining of workpieces with various specifications, so that the machining application range of equipment is wider.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a left and right nut mechanism for synchronously opening and closing a base plate of an ultra-fine machine;
FIG. 2 is a top view of a left and right nut mechanism for simultaneous opening and closing of a base plate of an ultra-fine machine according to the present utility model;
FIG. 3 is a B-B cross-sectional view of a left and right nut mechanism for simultaneous opening and closing of a base plate of an ultra-fine machine in accordance with the present utility model;
FIG. 4 is a cross-sectional view A-A of a left and right nut mechanisms for simultaneous opening and closing of a base plate of an ultra-fine machine in accordance with the present utility model;
fig. 5 is an enlarged view of region C of fig. 4 in accordance with the present utility model.
In the reference numerals: 1. super-finishing roller; 2. a base plate fastening bolt; 3. a short connecting pin; 4. a bed body; 5. a long connecting pin; 6. a left rotary positioning block; 7. a right-handed positioning block; 8. adjusting a screw rod; 9. a screw rod fixing flange; 10. a fastening nut; 11. a front bottom plate; 12. a bearing seat; 13. a work piece; 14. a rear floor; 81. a left-handed thread; 82. a right-handed thread; 83. an adjusting wire; 91. and (5) fixing the sleeve.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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 utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, 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 above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-5, a left and right nut mechanism for synchronously opening and closing a bottom plate of a superfinishing machine comprises a bed body 4, wherein a front bottom plate 11 and a rear bottom plate 14 are symmetrically arranged on the bed body 4, a left and right fine grinding mechanism is respectively arranged on the rear bottom plate 14 and the front bottom plate 11, a machined part 13 is placed between the left and right fine grinding mechanisms, fine grinding is carried out on the machined part 13 through polishing oil stones arranged on the left and right fine grinding mechanisms, a synchronous nut opening and closing mechanism is arranged between two ends of the front bottom plate 11 and the rear bottom plate 14 and the bed body 4, two ends of the front bottom plate 11 and the rear bottom plate 14 are respectively matched with the synchronous nut opening and closing mechanism through a short connecting pin 3 and a long connecting pin 5, the synchronous nut opening and closing mechanism is divided into a left nut mechanism and a right nut mechanism, and the two nut mechanisms are used for adjusting the positions of the front bottom plate 11 and the rear bottom plate 14 through driving the short connecting pin 3 and the long connecting pin 5 so as to meet the demands of different working conditions;
in this embodiment: as shown in fig. 3-5, the synchronous opening and closing screw mechanism comprises an adjusting screw rod 8 respectively arranged below two ends of a front bottom plate 11 and a rear bottom plate 14, one end of the adjusting screw rod 8 is provided with a screw rod fixing flange 9, the screw rod fixing flange 9 is in running fit with one side wall of the bed body 4, the outer wall of the adjusting screw rod 8 and the lower position of the front bottom plate 11 are provided with a right-hand positioning block 7, the outer wall of the adjusting screw rod 8 and the lower position of the rear bottom plate 14 are provided with a left-hand positioning block 6, the right-hand positioning block 7, the left-hand positioning block 6 and the adjusting screw rod 8 are in a matched structure, one end of the screw rod fixing flange 9 is in running fit with a fixing sleeve 91, and the fixing sleeve 91 is fixedly connected with the bed body 4 through a bolt;
during specific work, the adjusting screw 8 is in threaded connection with the screw fixing flange 9, when the adjusting screw 8 is motionless, the relative position of the adjusting screw 8 and the screw fixing flange 9 can be adjusted by rotating the screw fixing flange 9, so that the front and back positions of the adjusting screw 8 relative to the bed body 4 along the axis direction of the adjusting screw are adjusted, and the front bottom plate 11 and the back bottom plate 14 are driven to synchronously move forwards or backwards through the left rotary positioning block 6, the right rotary positioning block 7, the short connecting pin 3 and the long connecting pin 5.
In this embodiment: as shown in fig. 4-5, a left-handed thread 81, a right-handed thread 82 and an adjusting thread 83 are sequentially arranged on the outer wall of the adjusting screw 8 from left to right, the left-handed thread 81, the right-handed thread 82 and the adjusting thread 83 are respectively matched with the left-handed positioning block 6, the right-handed positioning block 7 and the screw fixing flange 9, a fastening nut 10 is matched on the outer wall of the adjusting thread 83, the fastening nut 10 is fastened by one side of the screw fixing flange 9, so that the screw fixing flange 9 and the adjusting screw 8 synchronously rotate, when the screw fixing flange 9 is required to be independently adjusted, the fastening nut 10 is loosened, when the screw fixing flange 9 is rotated, the rotation of the adjusting screw 8 is limited, the fixing sleeve 91 is fixed with the bed body 4, when the screw fixing flange 9 is rotated through the matching of the adjusting thread 83 and the screw fixing flange 9, the adjusting screw 8 moves forwards or backwards, and an axially arranged long groove is formed at the matched position of the front bottom plate 11 and the rear bottom plate 14 and the short connecting pin 3;
when the opening and closing positions of the left and right fine grinding mechanisms are required to be adjusted, the adjusting screw rod 8 is rotated positively, the left-handed threads 81 arranged on the adjusting screw rod 8 are matched with the left-handed positioning block 6 to enable the left-handed positioning block 6 to drive the rear base plate 14 to move backwards, meanwhile, the right-handed positioning block 7 is matched with the right-handed positioning block 7 to enable the front base plate 11 to move forwards through the right-handed threads 82 arranged on the adjusting screw rod 8, so that the distance between the left and right fine grinding mechanisms is increased, when the distance between the left and right fine grinding mechanisms is required to be reduced, the adjusting screw rod 8 is rotated reversely, when the opening and closing positions of the left and right fine grinding mechanisms are adjusted, the position where one ends of the front base plate 11 and the rear base plate 14 are matched with the short connecting pin 3 is a long groove, when the cross angle of the left and right fine grinding mechanisms is required to be adjusted, the short connecting pin 3 slides in the long groove through adjusting two adjusting screw rods 8 to different circles respectively, and an included angle is formed between the left and right fine grinding mechanisms, and the working conditions are met.
In this embodiment: the two ends of the bed body 4 are provided with sliding grooves, a left-rotating positioning block 6 and a right-rotating positioning block 7 are in sliding fit in the sliding grooves, a screw rod fixing flange 9 is fixed at one end of the sliding grooves, and the sliding grooves limit the left-rotating positioning block 6 and the right-rotating positioning block 7, so that the left-rotating positioning block 6 and the right-rotating positioning block 7 move back and forth along the sliding grooves.
In this embodiment: the bottom plate fastening bolts 2 for fixing the front bottom plate 11 and the rear bottom plate 14 are arranged between the two ends of the front bottom plate 11 and the rear bottom plate 14 and the bed body 4, when the positions of the front bottom plate 11 and the rear bottom plate 14 need to be adjusted, the bottom plate fastening bolts 2 are taken down to enable the front bottom plate 11 and the rear bottom plate 14 to move, and after adjustment is completed, the bottom plate fastening bolts 2 are locked to enable the positions of the front bottom plate 11 and the rear bottom plate 14 to be fixed.
In this embodiment: the left and right fine grinding mechanisms comprise bearing seats 12 fixedly arranged at two ends of a front bottom plate 11 and a rear bottom plate 14 respectively, super-fine rollers 1 are arranged between the bearing seats 12, and the super-fine rollers 1 arranged on the front bottom plate 11 and the rear bottom plate 14 are arranged in a counter manner, and during processing, fine grinding processing is performed through the super-fine rollers 1 arranged in a counter manner.
The working principle and the using flow of the utility model are as follows: the workpiece 13 is clamped by the super-finishing rollers 1 which are oppositely arranged, rotates on the super-finishing rollers 1 and axially moves to process, and workpieces of different types need to be adjusted to different positions by the super-finishing rollers 1, and the two super-finishing rollers 1 move back and forth together or the two super-finishing rollers 1 are symmetrically opened and closed or are opened and closed to form a certain included angle. When the position of the super-finishing roller 1 needs to be adjusted, the base plate fastening bolts 2 are loosened, the front base plate 11 and the rear base plate 14 can move, the fastening nuts 10 are loosened, the screw rod fixing flange 9 is twisted, the front base plate 11 and the rear base plate 14 synchronously move forwards and backwards under the driving of the left rotary positioning block 6, the right rotary positioning block 7, the short connecting pin 3 and the long connecting pin 5, and the super-finishing roller 1 arranged on the front base plate 11 and the rear base plate 14 synchronously move in the same direction by simultaneously adjusting the two screw rod fixing flanges 9.
When the two super-finishing rollers 1 are required to be adjusted to open and close, the fastening nuts 10 are locked, and the two rotary adjusting screw rods 8 are synchronously rotated, so that the front bottom plate 11 and the rear bottom plate 14 move oppositely to open and close.
When two super-fine rollers 1 are required to be adjusted to form a certain included angle, the short connecting pin 3 slides in the long groove by respectively adjusting two adjusting screw rods 8 to different turns, so that the left and right fine grinding mechanisms form an included angle, and the working condition requirement is met.
The basic principles, main features and advantages of the present utility model are shown and described. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. A control nut mechanism for super smart quick-witted bottom plate is synchronous to open and shut, includes the bed body (4), and the symmetry is equipped with preceding bottom plate (11) and back bottom plate (14) on the bed body (4), is equipped with respectively on back bottom plate (14) and the preceding bottom plate (11) and controls accurate grinding mechanism, its characterized in that: synchronous opening and closing screw mechanisms are arranged between the two ends of the front bottom plate (11) and the rear bottom plate (14) and the bed body (4), and the two ends of the front bottom plate (11) and the rear bottom plate (14) are matched with the synchronous opening and closing screw mechanisms through short connecting pins (3) and long connecting pins (5) respectively;
the synchronous screw mechanism that opens and shuts is including setting up respectively in preceding bottom plate (11) and adjusting screw (8) of back bottom plate (14) both ends below, the one end of adjusting screw (8) is equipped with lead screw mounting flange (9), and lead screw mounting flange (9) and a lateral wall normal running fit of bed body (4), the outer wall of adjusting screw (8), the below position of preceding bottom plate (11) is equipped with right-hand positioning piece (7), the outer wall of adjusting screw (8), the below position of back bottom plate (14) is equipped with left rotatory locating piece (6), and right-hand positioning piece (7) and left rotatory locating piece (6) are cooperation structure with adjusting screw (8).
2. The left and right nut mechanism for synchronously opening and closing a bottom plate of a superfinishing machine according to claim 1, wherein: the outer wall of the adjusting screw rod (8) is sequentially provided with a left-handed thread (81), a right-handed thread (82) and an adjusting thread (83) from left to right, the left-handed thread (81), the right-handed thread (82) and the adjusting thread (83) are respectively matched with a left-handed rotating positioning block (6), a right-handed positioning block (7) and a screw rod fixing flange (9), and a fastening nut (10) is matched on the outer wall of the adjusting thread (83).
3. The left and right nut mechanism for synchronously opening and closing a bottom plate of a superfinishing machine according to claim 2, wherein: sliding grooves are formed in two ends of the bed body (4), the left-hand rotating positioning block (6) and the right-hand rotating positioning block (7) are in sliding fit in the sliding grooves, and the screw rod fixing flange (9) is fixed at one end of the sliding grooves.
4. The left and right nut mechanism for synchronously opening and closing a bottom plate of a superfinishing machine according to claim 1, wherein: a base plate fastening bolt (2) for fixing the front base plate (11) and the rear base plate (14) is arranged between the two ends of the front base plate (11) and the rear base plate (14) and the bed body (4).
5. The left and right nut mechanism for synchronously opening and closing a bottom plate of a superfinishing machine according to claim 1, wherein: the left and right fine grinding mechanisms comprise bearing seats (12) which are respectively and fixedly arranged at two ends of the front bottom plate (11) and the rear bottom plate (14), super-fine rollers (1) are arranged between the bearing seats (12), and the super-fine rollers (1) arranged on the front bottom plate (11) and the rear bottom plate (14) are oppositely arranged.
6. The left and right nut mechanism for synchronously opening and closing a bottom plate of a superfinishing machine according to claim 1, wherein: the matching parts of the front bottom plate (11) and the rear bottom plate (14) and the short connecting pin (3) are provided with axially arranged long grooves.
7. The left and right nut mechanism for synchronously opening and closing a bottom plate of a superfinishing machine according to claim 2, wherein: one end of the screw rod fixing flange (9) is in rotary fit with a fixing sleeve (91), and the fixing sleeve (91) is fixedly connected with the bed body (4) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320355440.3U CN219666218U (en) | 2023-03-01 | 2023-03-01 | A control nut mechanism for super smart quick-witted bottom plate is synchronous to open and shut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320355440.3U CN219666218U (en) | 2023-03-01 | 2023-03-01 | A control nut mechanism for super smart quick-witted bottom plate is synchronous to open and shut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219666218U true CN219666218U (en) | 2023-09-12 |
Family
ID=87921073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320355440.3U Active CN219666218U (en) | 2023-03-01 | 2023-03-01 | A control nut mechanism for super smart quick-witted bottom plate is synchronous to open and shut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219666218U (en) |
-
2023
- 2023-03-01 CN CN202320355440.3U patent/CN219666218U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102729124B (en) | Abrasive belt grinding device applicable to inner and outer cambered surfaces of blades of aerospace blisk | |
| CN109227322A (en) | A kind of multi-freedom robot for polishing | |
| CN106112752A (en) | It is applicable to the sbrasive belt grinding center of blisk holotype face polishing processing | |
| CN100537140C (en) | Grinding attachment suitable for freely curved face | |
| CN219666218U (en) | A control nut mechanism for super smart quick-witted bottom plate is synchronous to open and shut | |
| CN102357538B (en) | Guide centering adjustment device | |
| CN111774955A (en) | A grinding device for automobile parts | |
| CN112059863B (en) | Coarse-fine grinding and polishing integrated grinding tool | |
| CN112320335A (en) | Rotary clamping mechanism | |
| CN216965911U (en) | Bending device for section bar processing | |
| CN210588563U (en) | Special-shaped glass machining center | |
| CN108747623A (en) | A kind of blade grinder power assembly motion | |
| CN109940514B (en) | Trimming method of double-circle tangent interpolation trimming device | |
| CN209598880U (en) | A kind of precision grinder for flat key processing | |
| CN210498647U (en) | Ball screw thread grinder | |
| CN108857790B (en) | A kind of integral type grinding apparatus for numerically controlled lathe | |
| CN114043324A (en) | Stepping type multi-station centerless roller cylindrical grinding machine | |
| CN110293267A (en) | A kind of gear chamfering machining tool | |
| CN218082032U (en) | Polishing assembly and valve machining device | |
| CN111376128A (en) | Cylindrical grinding machine | |
| CN100488655C (en) | Forming device of forming machine for special pipe end | |
| CN220516418U (en) | Shell polishing device for production of advance device | |
| CN220029596U (en) | Grinding mechanism of cylindrical grinding machine | |
| CN214979943U (en) | Pneumatic fastening and positioning device of universal grinding machine | |
| CN219786587U (en) | Split type lathe tailstock structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |