CN115027065A - Adhesive tape press-fitting tool of wire saw - Google Patents
Adhesive tape press-fitting tool of wire saw Download PDFInfo
- Publication number
- CN115027065A CN115027065A CN202210494908.7A CN202210494908A CN115027065A CN 115027065 A CN115027065 A CN 115027065A CN 202210494908 A CN202210494908 A CN 202210494908A CN 115027065 A CN115027065 A CN 115027065A
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- Prior art keywords
- wheel
- pressing wheel
- adhesive tape
- fitting tool
- press
- 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.)
- Pending
Links
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/56—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using mechanical means or mechanical connections, e.g. form-fits
Abstract
The invention provides a rubber strip press-fitting tool of a rope saw, which comprises a driving device, a pre-pressing wheel, a pressing wheel and a synchronizing device, wherein the pre-pressing wheel presses a rubber strip into a wheel groove of a driving wheel of the rope saw, the pressing wheel further presses the rubber strip, the pre-pressing wheel and the pressing wheel are arranged in the same plane and are axially parallel, and the synchronizing device is arranged on the side surfaces of the pre-pressing wheel and the pressing wheel and controls the pre-pressing wheel and the pressing wheel to synchronously operate; the driving device is connected with the pressing wheel through the transmission shaft, and the distance between the pressing wheel and the transmission wheel can be adjusted to control the pressure of the pressing wheel on the rubber strip, so that the rubber strip can be fully attached to the wheel groove of the transmission wheel. According to the invention, the adhesive tape is pressed by the pressing tool, so that the adhesive tape is automatically pressed, and the mounting reliability of the adhesive tape is ensured.
Description
Technical Field
The invention relates to the field of wire saws, in particular to a rubber strip press-fitting tool of a wire saw.
Background
The rope sawing machine is a diamond bead string rope which is wound on a wheel in a tensioning mode to form a closed loop, and power is driven to rotate through rotation of the wheel so as to achieve the purpose of cutting stone blocks. In order to increase the friction force between the rope and the wheel and prevent the diamond rope and the wheel from being worn and pulled apart, adhesive tapes with groove shapes capable of containing the rope are attached to the outer surface of each rope saw wheel. In the prior art, the adhesive tape is pressed into the wheel groove, a special die is pressed above the adhesive tape, and then the adhesive tape is pressed into the wheel groove in an iron hammer knocking mode.
The prior art CN201610373182.6 discloses a joint strip installer, which comprises a left wheel block, a central roller, a right wheel block, a handle bracket and a handle; the left wheel chock and the right wheel chock are symmetrically arranged on two sides of the central roller and are respectively in mechanical cable embedding connection with the central roller; the left wheel chock, the central roller and the right wheel chock are connected into a whole and then are installed in the handle bracket and are fixedly connected with the handle bracket through a connecting screw and a nut; the handle is fixedly connected with the handle bracket through a wood screw. Although the invention can be used for mechanically mounting the adhesive tape of the door and window, the invention is not suitable for mounting the adhesive tape of the driving wheel of the rope saw.
Disclosure of Invention
In view of the above, the invention aims to provide a rubber strip press-fitting tool for a wire saw, which is used for sequentially press-fitting a rubber strip through a pre-pressing wheel and a pressing wheel, so that the rubber strip is automatically pressed, and the installation reliability of the rubber strip is ensured.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the pressing tool comprises a driving device, a pre-pressing wheel, a pressing wheel and a synchronizing device, wherein the pre-pressing wheel presses the adhesive tape into a wheel groove of a driving wheel of the rope saw, the pressing wheel further presses the adhesive tape, the pre-pressing wheel and the pressing wheel are arranged in the same plane and are axially parallel, and the synchronizing device is arranged on the side surfaces of the pre-pressing wheel and the pressing wheel and controls the pre-pressing wheel and the pressing wheel to synchronously run; the driving device is connected with the pressing wheel through the transmission shaft, and the distance between the pressing wheel and the transmission wheel can be adjusted to control the pressure of the pressing wheel on the rubber strip, so that the rubber strip can be fully attached to the wheel groove of the transmission wheel.
Preferably, the press-fitting device further comprises a frame, and the press-fitting tool is arranged on the frame; the rack comprises a base, a mounting seat and a cross beam, wherein the mounting seat and the cross beam are oppositely arranged on the base, and the mounting seat is used for fixing the driving wheel and enabling the axial direction of the driving wheel to be parallel to the axial direction of the cross beam.
Preferably, the press-fitting tool further comprises a sliding device, and the press-fitting tool is arranged on the cross beam through the sliding device and can slide along the axial direction of the cross beam; the press-fitting tool can slide on the cross beam, so that the press-fitting tool can press-fit the rubber strips of the driving wheels of the multi-rope saw.
Preferably, the sliding device is provided with a locking device, and the locking device locks and fixes the sliding device, so that the sliding device is prevented from moving when the press-fitting tool works, and the press-fitting quality is reduced.
Preferably, the base comprises a first base and a second base, the first base and the second base are correspondingly provided with mounting seats, and two ends of the driving wheel are correspondingly arranged on the mounting seats.
Preferably, the first base is provided with a supporting plate corresponding to the lower end of the second base, the contact area between the base and the ground is increased through the supporting plate, and when the rubber strips of the large-scale driving wheel are pressed and mounted, damage caused by overlarge pressure of the base on the ground due to the fact that the weight of the driving wheel is large is prevented.
Preferably, the frame still includes the regulation pole, adjust the pole setting on the base, and its axial and crossbeam axial vertical, the mount pad sets up on adjusting the pole to can follow and adjust pole axial displacement, through the distance of adjusting mount pad and crossbeam, can make rope saw adhesive tape pressure equipment instrument can be applicable to the drive wheel of equidimension not.
Preferably, the adjusting rod is provided with adjusting holes, and the mounting seat moves axially along the adjusting rod by using different adjusting holes.
Preferably, the driving means is a cylinder.
Preferably, the device further comprises a control device, wherein the control device is electrically connected with the press-fitting tool, and the control device automatically controls the driving device to operate, so that the pressure of the press-fitting wheel on the rubber strip is automatically adjusted.
The invention has the beneficial effects that:
according to the rubber strip press-fitting tool for the rope sawing machine, the rubber strip is pressed into the wheel groove of the driving wheel through the pre-tensioning wheel, then the tensioning wheel is used for compacting the rubber strip, so that the rubber strip is fully attached to the wheel groove, the mounting reliability of the rubber strip is guaranteed, the pressure of the pressing wheel on the rubber strip is adjusted by adjusting the distance between the pressing wheel and the driving wheel through the driving device, the situation that the rubber strip is not pressed in place due to too small pressure can be prevented, the rubber strip is damaged due to too large pressure can also be prevented, the synchronous device controls the pre-tensioning wheel and the pressing wheel to synchronously run, and the situation that the rubber strip is folded or the rubber strip is broken due to different rotating speeds of the pre-tensioning wheel and the pressing wheel is prevented.
Drawings
Fig. 1 is a perspective view of a press-fitting tool according to embodiment 1 of the present invention.
Fig. 2 is a front view of a press-fitting tool according to embodiment 1 of the present invention.
Fig. 3 is a schematic perspective view of a rubber strip press-fitting tool of a wire saw machine according to embodiment 1 of the present invention.
Fig. 4 is a side view of a rubber strip press-fitting tool of a wire saw machine according to embodiment 1 of the present invention.
Fig. 5 is a schematic perspective view of a rubber strip press-fitting tool of a wire saw machine according to embodiment 2 of the present invention.
Fig. 6 is a side view of a rubber strip press-fitting tool of a wire saw machine according to embodiment 2 of the present invention.
In the figure: 1. a frame; 11. a base; 111. a first base; 112. a second base; 12. a mounting seat; 13. a cross beam; 14. adjusting a rod; 141. an adjustment hole; 2. pressing a tool; 21. a drive device; 22. a pre-pressing wheel; 23. a pinch roller; 24. a synchronization device; 25. a slipping device; 26. a locking device; 3. a driving wheel; 4. a control device; 5. and a support plate.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by those skilled in the art with reference to specific embodiments.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-4, a rubber strip press-fitting tool of a wire saw comprises: the adhesive tape pressing device comprises a rack 1 and a pressing tool 2, wherein the pressing tool 2 comprises a driving device 21, a pre-pressing wheel 22, a pressing wheel 23 and a synchronizing device 24, the pre-pressing wheel 22 presses an adhesive tape into a wheel groove of a driving wheel 3 of the wire saw, the pressing wheel 23 further presses the adhesive tape, the pre-pressing wheel 22 and the pressing wheel 23 are arranged in the same plane and are axially parallel, and the synchronizing device 24 is arranged on the side surfaces of the pre-pressing wheel 22 and the pressing wheel 23 and controls the pre-pressing wheel 22 and the pressing wheel 23 to synchronously rotate; the driving device 21 is connected with the pressing wheel 23 through a transmission shaft, and the distance between the pressing wheel 23 and the driving wheel 3 can be adjusted to control the pressure of the pressing wheel 23 on the adhesive tape, so that the adhesive tape can be fully attached to the wheel groove of the driving wheel 3.
The press-fitting tool 2 is arranged on the rack 1; the rack 1 comprises a base 11, a mounting seat 12 and a cross beam 13, wherein the mounting seat 12 and the cross beam 13 are oppositely arranged on the base 11, and the mounting seat 12 is used for fixing the driving wheel 3 and enabling the axial direction of the driving wheel 3 to be parallel to the axial direction of the cross beam 13.
The press-mounting tool 2 further comprises a sliding device 25, and the press-mounting tool 2 is arranged on the cross beam 13 through the sliding device 25 and can slide along the axial direction of the cross beam 13; the press-fitting tool 2 slides on the cross beam 13, so that the press-fitting tool 2 can press-fit the rubber strips of the driving wheel 3 of the multi-rope saw.
The sliding device 25 is provided with a locking device 26.
The base 11 includes a first base 111 and a second base 112, the first base 111 and the second base 112 are correspondingly provided with a mounting seat 12, and two ends of the driving wheel 3 are correspondingly arranged on the mounting seat 12.
The lower ends of the first base 111 and the second base 112 are correspondingly provided with a support plate 5.
The driving device 21 is a cylinder.
The press fitting device further comprises a control device 4, and the control device 4 is electrically connected with the press fitting tool 2.
The working principle and the using method of the rubber strip press-fitting tool of the wire saw are as follows:
according to the rubber strip press-fitting tool of the rope sawing machine, after the rubber strip is pressed into the wheel groove of the driving wheel 3 through the pre-tensioning wheel, the rubber strip is compacted through the tensioning wheel, the rubber strip is fully attached to the wheel groove, the reliability of rubber strip installation is guaranteed, the pressure of the pressing wheel 23 on the rubber strip is adjusted by adjusting the distance between the pressing wheel 23 and the driving wheel 3 through the driving device 21, the situation that the rubber strip is not pressed in place due to too small pressure can be prevented, the rubber strip is damaged due to too large pressure can also be prevented, the synchronous device 24 controls the pre-tensioning wheel 22 and the pressing wheel 23 to synchronously run, and the situation that the rubber strip is folded or the rubber strip is broken due to different rotating speeds of the pre-tensioning wheel 22 and the pressing wheel 23 is prevented; the press-fitting tool 2 slides on the cross beam 13, so that the press-fitting tool 2 can be aligned to different wheel grooves on the driving wheel 3, and the adhesive tapes in different wheel grooves are pressed; the contact area between the base 11 and the ground is increased through the supporting plate 5, and when the rubber strips of the large-scale driving wheel 3 are pressed, damage caused by overlarge pressure of the base 11 on the ground due to the fact that the weight of the driving wheel 3 is large is prevented.
When the device is used, two ends of a driving wheel 3 of the rope saw are fixed on corresponding mounting seats 12, the position of a press-fitting tool 2 on a cross beam 13 is moved, a pre-pressing wheel 22 and a pressing wheel 23 are aligned with a wheel groove of the driving wheel 3, the press-fitting tool 2 is started through a control device 4 to start press-fitting of adhesive tapes in the wheel groove, (it needs to be explained that the pressing wheel 23 can drive the driving wheel 3 to rotate while compacting the adhesive tapes, so that the driving wheel 3 rotates automatically), after the adhesive tapes in one wheel groove are mounted, the position of the press-fitting tool 2 on the cross beam 13 is continuously moved, the pre-pressing wheel 22 and the pressing wheel 23 are aligned with the next wheel groove of the driving wheel 3, and the rest is done until all the adhesive tapes on the driving wheel 3 are pressed.
Example 2
As shown in fig. 5 and 6, the adhesive tape press-fitting tool of the wire saw of the present embodiment includes: the adhesive tape pressing device comprises a rack 1 and a pressing tool 2, wherein the pressing tool 2 comprises a driving device 21, a pre-pressing wheel 22, a pressing wheel 23 and a synchronizing device 24, the pre-pressing wheel 22 presses an adhesive tape into a wheel groove of a driving wheel 3 of the wire saw, the pressing wheel 23 further presses the adhesive tape, the pre-pressing wheel 22 and the pressing wheel 23 are arranged in the same plane and are axially parallel, and the synchronizing device 24 is arranged on the side surfaces of the pre-pressing wheel 22 and the pressing wheel 23 and controls the pre-pressing wheel 22 and the pressing wheel 23 to synchronously rotate; the driving device 21 is connected with the pressing wheel 23 through a transmission shaft, and the distance between the pressing wheel 23 and the driving wheel 3 can be adjusted to control the pressure of the pressing wheel 23 on the adhesive tape, so that the adhesive tape can be fully attached to the wheel groove of the driving wheel 3.
The press-fitting tool 2 is arranged on the rack 1; the rack 1 comprises a base 11, a mounting seat 12 and a cross beam 13, wherein the mounting seat 12 and the cross beam 13 are oppositely arranged on the base 11, and the mounting seat 12 is used for fixing the driving wheel 3 and enabling the axial direction of the driving wheel 3 to be parallel to the axial direction of the cross beam 13.
The press-mounting tool 2 further comprises a sliding device 25, and the press-mounting tool 2 is arranged on the cross beam 13 through the sliding device 25 and can slide along the axial direction of the cross beam 13; the press-fitting tool 2 slides on the cross beam 13, so that the press-fitting tool 2 can press-fit the rubber strips of the driving wheel 3 of the multi-rope saw.
The sliding device 25 is provided with a locking device 26.
The rack 1 further comprises an adjusting rod 14, the adjusting rod 14 is arranged on the base 11, the axial direction of the adjusting rod 14 is perpendicular to the axial direction of the cross beam 13, and the mounting seat 12 is arranged on the adjusting rod 14 and can move along the axial direction of the adjusting rod 14.
The adjustment rod 14 is provided with adjustment holes 141, and the mount 12 is moved in the axial direction of the adjustment rod 14 by using different adjustment holes 141.
The driving device 21 is a cylinder.
The press fitting device further comprises a control device 4, and the control device 4 is electrically connected with the press fitting tool 2.
Compared with the first embodiment:
according to the rubber strip press-fitting tool for the rope saw, the adjusting rod 14 is additionally arranged between the base 11 and the mounting seat 12, and the adjusting hole 141 is formed in the adjusting rod 14 to adjust the distance between the mounting seat 12 and the cross beam 13, so that the rubber strip can be mounted on the transmission wheels 3 of different sizes.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "upper surface", "lower surface", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Claims (10)
1. The utility model provides a rope saw adhesive tape pressure equipment instrument which characterized in that:
the pressing tool (2) comprises a driving device (21), a pre-pressing wheel (22), a pressing wheel (23) and a synchronizing device (24), the pre-pressing wheel (22) presses the rubber strips into wheel grooves of a driving wheel (3) of the wire saw, the pressing wheel (23) further compacts the rubber strips, the pre-pressing wheel (22) and the pressing wheel (23) are arranged in the same plane and are axially parallel, and the synchronizing device (24) is arranged on the side faces of the pre-pressing wheel (22) and the pressing wheel (23) and controls the pre-pressing wheel (22) and the pressing wheel (23) to synchronously run; the driving device (21) is connected with the pressing wheel (23) through a transmission shaft, and the pressure of the pressing wheel (23) on the adhesive tape is controlled by adjusting the distance between the pressing wheel (23) and the transmission wheel (3).
2. The adhesive tape press-fitting tool of the wire saw machine as claimed in claim 1, wherein: the press fitting device is characterized by further comprising a rack (1), wherein the press fitting tool (2) is arranged on the rack (1); the rack (1) comprises a base (11), a mounting seat (12) and a cross beam (13), wherein the mounting seat (12) and the cross beam (13) are oppositely arranged on the base (11), and the mounting seat (12) is used for fixing the driving wheel (3) and enabling the axial direction of the driving wheel (3) to be parallel to the axial direction of the cross beam (13).
3. The rope saw adhesive tape press fitting tool of claim 2, wherein: the press fitting tool (2) further comprises a sliding device (25), and the press fitting tool (2) is arranged on the cross beam (13) through the sliding device (25) and can slide along the axial direction of the cross beam (13).
4. The adhesive tape press-fitting tool of the wire saw machine as claimed in claim 3, wherein: and a locking device (26) is arranged on the sliding device (25).
5. The adhesive tape press-fitting tool of the wire saw machine as claimed in claim 2, wherein: the base (11) comprises a first base (111) and a second base (112), the first base (111) and the second base (112) are correspondingly provided with mounting seats (12), and two ends of the driving wheel (3) are correspondingly arranged on the mounting seats (12).
6. The rope saw adhesive tape press fitting tool of claim 5, wherein: the lower ends of the first base (111) and the second base (112) are correspondingly provided with a supporting plate (5).
7. The adhesive tape press-fitting tool of the wire saw machine as claimed in claim 2, wherein: the rack (1) further comprises an adjusting rod (14), the adjusting rod (14) is arranged on the base (11), the axial direction of the adjusting rod is perpendicular to the axial direction of the cross beam (13), and the mounting seat (12) is arranged on the adjusting rod (14) and can move along the axial direction of the adjusting rod (14).
8. The adhesive tape press-fitting tool of the wire saw machine as claimed in claim 7, wherein: the adjusting rod (14) is provided with adjusting holes (141), and the mounting seat (12) moves along the axial direction of the adjusting rod (14) by using different adjusting holes (141).
9. The adhesive tape press-fitting tool of the wire saw machine as claimed in claim 1, wherein: the driving device (21) is a cylinder.
10. The rope saw adhesive tape press fitting tool of claim 1, wherein: the press fitting device is characterized by further comprising a control device (4), wherein the control device (4) is electrically connected with the press fitting tool (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210494908.7A CN115027065A (en) | 2022-05-07 | 2022-05-07 | Adhesive tape press-fitting tool of wire saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210494908.7A CN115027065A (en) | 2022-05-07 | 2022-05-07 | Adhesive tape press-fitting tool of wire saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115027065A true CN115027065A (en) | 2022-09-09 |
Family
ID=83119364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210494908.7A Pending CN115027065A (en) | 2022-05-07 | 2022-05-07 | Adhesive tape press-fitting tool of wire saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115027065A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203409715U (en) * | 2013-08-08 | 2014-01-29 | 长沙通石达机械制造有限公司 | Compacting device |
| CN204149111U (en) * | 2014-09-10 | 2015-02-11 | 天津市懿峰工贸有限公司 | A kind of car door adhesive tape pressing jig |
| CN204185001U (en) * | 2014-11-01 | 2015-03-04 | 李战胜 | One pastes Double-face adhesive tape machine automatically |
| CN109605264A (en) * | 2018-11-21 | 2019-04-12 | 大禹电气科技股份有限公司 | A kind of adhesive tape compression bonding apparatus |
| CN213731485U (en) * | 2020-10-27 | 2021-07-20 | 江苏正基电梯部件有限公司 | Adhesive tape mounting device convenient to dismouting of elevator handrail guide rail |
-
2022
- 2022-05-07 CN CN202210494908.7A patent/CN115027065A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203409715U (en) * | 2013-08-08 | 2014-01-29 | 长沙通石达机械制造有限公司 | Compacting device |
| CN204149111U (en) * | 2014-09-10 | 2015-02-11 | 天津市懿峰工贸有限公司 | A kind of car door adhesive tape pressing jig |
| CN204185001U (en) * | 2014-11-01 | 2015-03-04 | 李战胜 | One pastes Double-face adhesive tape machine automatically |
| CN109605264A (en) * | 2018-11-21 | 2019-04-12 | 大禹电气科技股份有限公司 | A kind of adhesive tape compression bonding apparatus |
| CN213731485U (en) * | 2020-10-27 | 2021-07-20 | 江苏正基电梯部件有限公司 | Adhesive tape mounting device convenient to dismouting of elevator handrail guide rail |
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Effective date of registration: 20231020 Address after: No. 32, Chatingsi Road, Chengjiao Street, Ningxiang City, Changsha City, Hunan Province 410000 Applicant after: Changsha Baitong New Material Technology Co.,Ltd. Address before: 410000 Chezhan Road, Ningxiang Economic and Technological Development Zone, Changsha City, Hunan Province Applicant before: CHANGSHA TOOLSTAR MACHINERY MANUFACTURING Co.,Ltd. |