CN114029770B - Rotary speed reducer base angle iron turning clamp with quick positioning corrector - Google Patents
Rotary speed reducer base angle iron turning clamp with quick positioning corrector Download PDFInfo
- Publication number
- CN114029770B CN114029770B CN202111284301.8A CN202111284301A CN114029770B CN 114029770 B CN114029770 B CN 114029770B CN 202111284301 A CN202111284301 A CN 202111284301A CN 114029770 B CN114029770 B CN 114029770B
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- Prior art keywords
- speed reducer
- rotary speed
- positioning
- fork
- base
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
- B23Q3/186—Aligning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Abstract
The invention relates to a turning clamp with a quick positioning corrector for a rotary speed reducer base, which comprises a turning plate and angle irons connected to the turning plate, wherein the angle irons are provided with positioning surfaces, compression studs for clamping the rotary speed reducer base are arranged on the positioning surfaces, and the rotary speed reducer base is positioned and compressed on the positioning surfaces of the angle irons through the compression studs and nuts; the positioning corrector comprises a first seat block and a second seat block which are respectively arranged on the vehicle template, and a Y-shaped positioning fork which is arranged on the first seat block in a swinging mode, wherein a pair of fork heads of the Y-shaped positioning fork are lapped on the outer circle of the top of the base of the rotary speed reducer, a through hole is formed in a fork body of the Y-shaped positioning fork, a threaded hole is formed in the second seat block, and the Y-shaped positioning fork compresses the outer circle of the top of the base of the rotary speed reducer through a fastening bolt which penetrates through the through hole and is connected to the threaded hole. The invention improves the processing efficiency and the processing precision of the base of the rotary speed reducer.
Description
Technical Field
The invention relates to the technical field of mechanical processing equipment, in particular to a rotary speed reducer base angle iron turning clamp with a quick positioning corrector.
Background
The rotary speed reducer is widely applied in the modern industrial field. The rotary speed reducer mainly comprises a rotary speed reducer base and a worm and gear transmission mechanism arranged on the rotary speed reducer base.
As shown in fig. 3, the main processing surfaces of the rotary speed reducer base 5 are a bottom foot surface 5-1, a worm wheel hole 5-4 and a worm hole 5-2. In the prior art, for machining the base 5 of the rotary speed reducer, the bottom surface 5-1 is generally machined firstly, and then the worm wheel hole 5-4 and the worm hole 5-2 are machined sequentially by taking the bottom surface 5-1 as a reference. The machining of the worm wheel hole 5-4 can be performed on an angle iron turning clamp of a horizontal lathe, specifically, the machined bottom foot 5-1 surface of the rotary speed reducer base 5 is positioned on the angle iron turning clamp, the bottom foot is fixed after the position of the rotary speed reducer base is aligned, and then the worm wheel hole 5-4 is machined. For facilitating alignment, it is generally necessary to scribe an alignment position line including an alignment round line and an end face margin line on the scribing table in advance before the swing decelerator base 5 is mounted to the jig.
However, the method for machining the base of the rotary speed reducer by using the angle iron turning clamp in the prior art has the following defects:
firstly, the rotary speed reducer base need fix after the alignment position, need simultaneously alignment round line and the terminal surface allowance line of drawing on the alignment work piece when the alignment, in order to guarantee the positional accuracy of two directions simultaneously, often need the alignment repeatedly, its alignment work load is comparatively time-consuming, has reduced the efficiency of processing by a wide margin from this.
Secondly, because the angle iron turning fixture is in the structure relation, the height of the rotary speed reducer base is higher, the weight is heavier, and the top of the rotary speed reducer base is in a suspended state after the rotary speed reducer base is fixed in the angle iron turning fixture, the rigidity of clamping is poor, so that the vibration of a workpiece during processing is easy to cause, and the surface roughness and the dimensional accuracy of the rotary speed reducer base can be influenced.
Disclosure of Invention
In order to solve the problems, the invention provides a turning clamp with a quick positioning corrector for a rotary speed reducer base angle iron, which aims to improve the machining efficiency and the machining precision of the rotary speed reducer base. The specific technical scheme is as follows:
the angle iron turning clamp with the quick positioning corrector for the rotary speed reducer base comprises a turning mold plate and angle irons connected to the turning mold plate, wherein the angle irons are provided with positioning surfaces of the rotary speed reducer base, and the positioning surfaces are parallel to the rotation axis of the turning mold plate; the positioning surface is provided with a compression stud for clamping a rotary speed reducer base, and the rotary speed reducer base is positioned and compressed on the positioning surface of the angle iron through the compression stud and a nut; the positioning corrector comprises a first seat block, a second seat block and a Y-shaped positioning fork, wherein the first seat block and the second seat block are respectively arranged on the vehicle template, the Y-shaped positioning fork is arranged on the first seat block in a swinging mode, a pair of fork heads of the Y-shaped positioning fork are lapped on the outer circle of the top of the base of the rotary speed reducer, a through hole is formed in a fork body of the Y-shaped positioning fork, a threaded hole is formed in the second seat block, and the Y-shaped positioning fork tightly presses the outer circle of the top of the base of the rotary speed reducer through a fastening bolt penetrating through the through hole and connected to the threaded hole.
When the Y-shaped positioning fork is used, the base of the rotary speed reducer is positioned on the angle iron turning clamp, a pair of fork heads of the Y-shaped positioning fork are lapped on the outer circle of the top of the base of the rotary speed reducer, whether the base of the rotary speed reducer is positioned at the symmetrical center position of the rotary axis is checked, and if the base of the rotary speed reducer is offset, the adjustment is performed until the pair of fork heads of the Y-shaped positioning fork are simultaneously contacted with the outer circle of the top of the base of the rotary speed reducer. After alignment, the fastening bolt is used for pressing the top excircle of the rotary speed reducer base, and turning of the worm wheel hole can be performed.
In order to further reduce the alignment workload of the base of the rotary speed reducer and improve the rigidity of the base of the rotary speed reducer after clamping, the further improvement scheme is as follows: the vehicle template is also vertically provided with a pair of end face positioning columns, the pair of end face positioning columns are arranged above the positioning surface and are respectively arranged on two sides of the rotation axis, and one face, close to the vehicle template, of the rotation speed reducer base is abutted to the end plane of the pair of end face positioning columns.
When the position of the rotary speed reducer base is found, when the end faces of the rotary speed reducer base are contacted with the end faces of the pair of end face positioning columns, and meanwhile, the pair of fork heads of the Y-shaped positioning fork are all contacted with the top outer circle of the rotary speed reducer base, the position of the rotary speed reducer base is indicated to be adjusted in place, then the bottom feet of the rotary speed reducer base can be fixed by using the compression studs and nuts, and after the top outer circle of the rotary speed reducer base is compressed by using the fastening bolts and the Y-shaped positioning fork, a parking lot can be started for processing.
Preferably, the end face positioning column is vertically arranged on a transition connecting block, and the transition connecting block is detachably connected to the vehicle template through a fastening screw.
In the invention, the Y-shaped positioning fork is in swing connection with the first seat block through the hinge shaft.
Preferably, the second seat block is provided with an inclined plane parallel to the Y-shaped positioning fork, and the threaded hole is vertically arranged on the inclined plane.
In order to facilitate clamping of workpieces, a permanent magnet piece is arranged on the back surface of the Y-shaped positioning fork, which is far away from the rotation axis of the vehicle template, and the permanent magnet piece is magnetically attached to the vehicle template after the Y-shaped positioning fork is opened towards the top direction, which is far away from the base of the rotation speed reducer.
Preferably, the first seat block, the second seat block and the transition connecting block are respectively connected with the vehicle template in a welding way.
Preferably, the connection between the end face positioning column and the transition connecting block is threaded connection.
In the invention, the turning template is a round turning template, and the round turning template is provided with a positioning spigot and a connecting screw hole which are connected with a main shaft head of a horizontal lathe.
In the invention, a waist-shaped bolt hole formed by casting is formed on the bottom foot of the base of the rotary speed reducer, and the compression stud penetrates through the waist-shaped bolt hole.
The beneficial effects of the invention are as follows:
firstly, the angle iron turning clamp with the quick positioning corrector for the rotary speed reducer base is provided with the positioning corrector on the turning mold plate, and the two-way leaning and automatic alignment of a workpiece is realized through the Y-shaped positioning fork and the pair of end surface positioning columns on the positioning corrector.
Secondly, according to the angle iron turning clamp with the quick positioning corrector for the rotary speed reducer base, the Y-shaped positioning fork is used for pressing the rotary speed reducer base, so that the top of the rotary speed reducer base is not suspended any more, the rigidity of the whole clamping system is improved, micro-vibration of a workpiece during processing is eliminated, and the processing precision of the rotary speed reducer base is improved.
Drawings
FIG. 1 is a schematic view of the structure of a swing retarder base angle iron car clamp with a quick position corrector of the present invention;
FIG. 2 is a partial view in the K-direction of FIG. 1;
fig. 3 is a schematic structural view of a swing speed reducer base.
In the figure: 1. the device comprises a turning mold plate, 2, angle irons, 3, a positioning surface, 4, a rotation axis, 5, a rotation speed reducer base, 5-1, a footing surface, 5-2, a worm hole, 5-3, a kidney-shaped bolt hole, 5-4 worm wheel holes, 6, a compression stud, 7, a nut, 8, a positioning corrector, 9, a first seat block, 10, a second seat block, 11, a Y-shaped positioning fork, 12, a top excircle, 13, a fastening bolt, 14, an end surface positioning column, 15, a transition connecting block, 16, a fastening screw, 17, a hinge shaft, 18, an inclined plane, 19, a permanent magnet sheet, 20, a positioning spigot, 21 and a connecting screw hole.
In the figure: a is a schematic diagram of a position on the outer circle of the top of the rotary speed reducer base, which is contacted with a pair of fork heads of the Y-shaped positioning fork 1, and B is a schematic diagram of a position on the end face of the rotary speed reducer base, which is contacted with a pair of end face positioning columns.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
An embodiment of a turning reducer base angle iron turning clamp with a quick positioning corrector is shown in fig. 1 to 3, and comprises a turning plate 1 and an angle iron 2 connected to the turning plate 1, wherein a positioning surface 3 of a turning reducer base 5 is arranged on the angle iron 2, and the positioning surface 3 is parallel to a turning axis 4 of the turning plate 1; the positioning surface 3 is provided with a compression stud 6 for clamping a rotary speed reducer base 5, and the rotary speed reducer base 5 is positioned and compressed on the positioning surface 3 of the angle iron 2 through the compression stud 6 and a nut 7; the positioning corrector 8 is further arranged on the turning mold plate 1, the positioning corrector 8 comprises a first seat block 9, a second seat block 10 and a Y-shaped positioning fork 11 which are respectively arranged on the turning mold plate 1 and are arranged on the first seat block 9 in a swinging mode, a pair of fork heads of the Y-shaped positioning fork 11 are lapped on the top excircle 12 of the rotary speed reducer base 5, a through hole is formed in a fork body of the Y-shaped positioning fork 11, a threaded hole is formed in the second seat block 10, and the Y-shaped positioning fork 11 tightly presses the top excircle 12 of the rotary speed reducer base 5 through a fastening bolt 13 which penetrates through the through hole and is connected to the threaded hole.
When the Y-shaped positioning fork 11 is used, the rotary speed reducer base 5 is positioned on the angle iron turning clamp, whether the rotary speed reducer base 5 is positioned at the symmetrical center position of the rotation axis or not is checked by overlapping a pair of fork heads of the Y-shaped positioning fork 11 on the top outer circle 12 of the rotary speed reducer base 5, and if the Y-shaped positioning fork 11 is offset, the Y-shaped positioning fork is adjusted until the pair of fork heads of the Y-shaped positioning fork 11 are simultaneously contacted with the top outer circle 12 of the rotary speed reducer base 5. After alignment, the fastening bolt 13 is used for pressing the top excircle 12 of the rotary speed reducer base 5, and then the worm wheel hole 54 can be machined.
In order to further reduce the alignment workload of the rotary speed reducer base 5 and improve the rigidity of the rotary speed reducer base 5 after clamping, the further improvement scheme is that: the vehicle template 1 is further vertically provided with a pair of end face positioning columns 14, the pair of end face positioning columns 14 are arranged above the positioning face 3 and are respectively arranged on two sides of the rotation axis 4, and one face, close to the vehicle template 1, of the rotation speed reducer base 5 is abutted to the end plane of the pair of end face positioning columns 14.
When the position is found, when the end surfaces of the rotary speed reducer base 5 are contacted with the end surfaces of a pair of end surface positioning columns 14, and simultaneously, a pair of fork heads of the Y-shaped positioning fork 11 are all contacted with the top outer circle 12 of the rotary speed reducer base 5, the position of the rotary speed reducer base 5 is indicated to be adjusted to be in place, then the bottom feet of the rotary speed reducer base 5 can be fixed by using the compression studs 6 and nuts 7, and after the top outer circle 12 of the rotary speed reducer base 5 is compressed by using the fastening bolts 13 and the Y-shaped positioning fork 11, a parking lot can be started for processing.
Preferably, the end face positioning column 14 is vertically arranged on a transition connection block 15, and the transition connection block 15 is detachably connected to the vehicle template 1 through a fastening screw 16.
In the invention, the Y-shaped positioning fork 11 is in swinging connection with the first seat block 9 through a hinge shaft 17.
Preferably, the second block 10 is provided with a slope 18 parallel to the Y-shaped positioning fork 11, and the threaded hole is vertically provided on the slope 18.
In order to facilitate the clamping of the workpiece, a permanent magnet piece 19 is arranged on the back surface of the Y-shaped positioning fork 11, which is far away from the rotation axis 4 of the vehicle template 1, and the permanent magnet piece 19 of the Y-shaped positioning fork 11 is magnetically abutted against the vehicle template 1 after the Y-shaped positioning fork 11 is opened towards the direction far away from the top of the rotation speed reducer base 5.
Preferably, the first seat block 9, the second seat block 10 and the transition connecting block 15 are respectively welded with the die plate 1.
Preferably, the connection between the end face positioning column 14 and the transition connecting block 15 is a threaded connection.
In this embodiment, the turning mold plate 1 is a circular turning mold plate, and a positioning spigot 20 and a connecting screw hole 21 connected with a spindle head of a horizontal lathe are arranged on the circular turning mold plate.
In this embodiment, a waist-shaped bolt hole 5-3 formed by casting is formed on a foot of the base 5 of the slewing reducer, and the compression stud 6 passes through the waist-shaped bolt hole 5-3.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (8)
1. The angle iron turning clamp with the rotary speed reducer base is characterized by comprising a turning plate and angle irons connected to the turning plate, wherein the angle irons are provided with positioning surfaces of the rotary speed reducer base, and the positioning surfaces of the rotary speed reducer base are parallel to a rotation axis of the turning plate; the positioning surface is provided with a compression stud for clamping a rotary speed reducer base, and the rotary speed reducer base is positioned and compressed on the positioning surface of the angle iron through the compression stud and a nut; the positioning corrector comprises a first seat block, a second seat block and a Y-shaped positioning fork, wherein the first seat block and the second seat block are respectively arranged on the vehicle template, the Y-shaped positioning fork is arranged on the first seat block in a swinging mode, a pair of fork heads of the Y-shaped positioning fork are lapped on the outer circle of the top of the base of the rotary speed reducer, a through hole is formed in a fork body of the Y-shaped positioning fork, a threaded hole is formed in the second seat block, and the Y-shaped positioning fork compresses the outer circle of the top of the base of the rotary speed reducer through a fastening bolt penetrating through the through hole and connected to the threaded hole; a permanent magnet sheet is arranged on the back surface of the Y-shaped positioning fork, which is far away from the rotation axis of the vehicle template; a pair of end face positioning columns are also vertically arranged on the vehicle template, are arranged above the positioning surface and are respectively arranged at two sides of the rotation axis; the positioning and clamping method for the rotary speed reducer base on the angle iron turning clamp comprises the following steps:
(1) The permanent magnet piece of the Y-shaped positioning fork is magnetically attached to the vehicle template after being opened towards the top direction far away from the base of the rotary speed reducer;
(2) Positioning a rotary speed reducer base on the angle iron turning clamp;
(3) The two-way leveling automatic alignment of the workpiece is realized through a Y-shaped positioning fork and a pair of end surface positioning columns on the positioning corrector; one surface of the rotary speed reducer base, which is close to the vehicle template, is abutted on the end plane of the pair of end face positioning columns; the Y-shaped positioning fork comprises a Y-shaped positioning fork, a rotary speed reducer base, a rotary speed reducer and a rotary shaft, wherein the Y-shaped positioning fork is arranged on the top excircle of the rotary speed reducer base in a lap joint mode; when the end surfaces of the rotary speed reducer base are contacted with the end surfaces of the pair of end surface positioning columns, and meanwhile, the pair of fork heads of the Y-shaped positioning fork are all contacted with the top outer circle of the rotary speed reducer base, the position of the rotary speed reducer base is indicated to be adjusted in place, the bottom feet of the rotary speed reducer base are fixed by the compression studs and nuts, and the top outer circle of the rotary speed reducer base is compressed by the fastening bolts and the Y-shaped positioning fork.
2. The rotary speed reducer base angle iron turning fixture with the quick positioning corrector according to claim 1, wherein the end surface positioning column is vertically arranged on a transition connecting block, and the transition connecting block is detachably connected to the turning plate through a fastening screw.
3. The rotary speed reducer base angle iron turning fixture with a quick positioning corrector of claim 1, wherein the Y-shaped positioning fork is in swinging connection with the first seat block through a hinge shaft.
4. The fixture for a swing retarder base angle iron car with a quick fix corrector of claim 1, wherein said second block is provided with a bevel parallel to said Y-shaped locating fork, said threaded hole being vertically disposed on said bevel.
5. The fixture for turning a retarder base angle iron with a quick positioning corrector as set forth in claim 1, wherein said retarder base foot is formed with a castellated bolt hole through which said compression stud passes.
6. The rotary speed reducer base angle iron turning fixture with a quick positioning corrector of claim 2, wherein the first seat block, the second seat block and the transition connection block are respectively welded with the turning mold plate.
7. The rotary speed reducer base angle iron turning fixture with the quick positioning corrector according to claim 2, wherein the end surface positioning column is connected with the transition connecting block in a threaded mode.
8. The rotary speed reducer base angle iron turning clamp with the rapid positioning corrector, according to claim 1, wherein the turning mold plate is a round turning mold plate, and a positioning spigot and a connecting screw hole which are connected with a main shaft head of a horizontal lathe are formed in the round turning mold plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284301.8A CN114029770B (en) | 2021-11-01 | 2021-11-01 | Rotary speed reducer base angle iron turning clamp with quick positioning corrector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111284301.8A CN114029770B (en) | 2021-11-01 | 2021-11-01 | Rotary speed reducer base angle iron turning clamp with quick positioning corrector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114029770A CN114029770A (en) | 2022-02-11 |
| CN114029770B true CN114029770B (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111284301.8A Active CN114029770B (en) | 2021-11-01 | 2021-11-01 | Rotary speed reducer base angle iron turning clamp with quick positioning corrector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114029770B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205080A (en) * | 1991-01-31 | 1993-04-27 | Shin-Etsu Handotai Company, Limited | Jig for clamp-positioning single crystal ingot |
| CN202922284U (en) * | 2012-11-06 | 2013-05-08 | 南京工业职业技术学院 | Angle iron type lathe fixture |
| CN104209796A (en) * | 2014-09-11 | 2014-12-17 | 贵州航太精密制造有限公司 | Turning clamp capable of aligning rapidly |
| CN107891191A (en) * | 2017-12-15 | 2018-04-10 | 株洲春华实业有限责任公司 | A kind of pressure vessel head automatic capturing bead cutter |
| CN207710298U (en) * | 2017-11-29 | 2018-08-10 | 铭振精密模具（昆山）有限公司 | Multi-hole position machining auxiliary precise positioning instrument |
| CN108994398A (en) * | 2018-09-05 | 2018-12-14 | 宜昌长机科技有限责任公司 | Gear Processing flexibility alignment device and method |
| CN209868014U (en) * | 2019-05-20 | 2019-12-31 | 汶上县众鑫机械有限公司 | Bull-dozer thrust wheel lid processing frock |
-
2021
- 2021-11-01 CN CN202111284301.8A patent/CN114029770B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205080A (en) * | 1991-01-31 | 1993-04-27 | Shin-Etsu Handotai Company, Limited | Jig for clamp-positioning single crystal ingot |
| CN202922284U (en) * | 2012-11-06 | 2013-05-08 | 南京工业职业技术学院 | Angle iron type lathe fixture |
| CN104209796A (en) * | 2014-09-11 | 2014-12-17 | 贵州航太精密制造有限公司 | Turning clamp capable of aligning rapidly |
| CN207710298U (en) * | 2017-11-29 | 2018-08-10 | 铭振精密模具（昆山）有限公司 | Multi-hole position machining auxiliary precise positioning instrument |
| CN107891191A (en) * | 2017-12-15 | 2018-04-10 | 株洲春华实业有限责任公司 | A kind of pressure vessel head automatic capturing bead cutter |
| CN108994398A (en) * | 2018-09-05 | 2018-12-14 | 宜昌长机科技有限责任公司 | Gear Processing flexibility alignment device and method |
| CN209868014U (en) * | 2019-05-20 | 2019-12-31 | 汶上县众鑫机械有限公司 | Bull-dozer thrust wheel lid processing frock |
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|---|---|
| CN114029770A (en) | 2022-02-11 |
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Effective date of registration: 20230828 Address after: Room 3, No. 161 Chenfeng East Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province, 215000 Applicant after: Kunshan Keye Machinery Co.,Ltd. Address before: 214400 No. 112, huangyutai village, Yunting street, Jiangyin City, Wuxi City, Jiangsu Province Applicant before: Jiangyin Gongbo Machinery Manufacturing Co.,Ltd. |
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