CN217860347U - Novel tire edge grinding machine - Google Patents
Novel tire edge grinding machine Download PDFInfo
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- CN217860347U CN217860347U CN202222037146.6U CN202222037146U CN217860347U CN 217860347 U CN217860347 U CN 217860347U CN 202222037146 U CN202222037146 U CN 202222037146U CN 217860347 U CN217860347 U CN 217860347U
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The utility model discloses a novel tire edge grinding machine, which comprises a lower frame and an upper frame; the lower rack is provided with a tire track device, a tire holding device and a waste collecting device; a first polishing adjusting device and a second polishing adjusting device are symmetrically arranged on the upper rack, a first polishing mechanism is arranged at the lower end of the first polishing adjusting device, and a second polishing mechanism is arranged at the lower end of the second polishing adjusting device; a vertically downward main rotating shaft device is arranged in the middle of the upper rack, a placenta is mounted at the lower end of the main rotating shaft device, and the placenta corresponds to the tire track device; a control cabinet is installed on one side of the lower rack, and the control cabinet is connected with the tire track device, the tire holding device, the waste collecting device, the first polishing adjusting device, the second polishing adjusting device, the first polishing mechanism, the second polishing mechanism and the main rotating shaft device. The utility model discloses realize that the tire is controllable and the grinding operation that targets in place in the host computer of polishing, improve grinding efficiency, promote grinding quality.
Description
Technical Field
The utility model relates to a tire processing equipment field of polishing especially relates to a novel tire edge polishing machine.
Background
For a special tire needing to polish a white edge on the tire side, the definition and the smoothness of the white edge are increased by manual polishing after the whole production of the tire. The manual polishing has great defects, mainly the polishing efficiency is low, the polishing quality is uneven, and the requirements of industrial production cannot be met.
In view of this, a tire edging machine has been developed, and patent publication No. CN204321764U discloses an uphill belt device for a tire edging machine, which is used to convey a tire to a primary centering mechanism, the primary centering mechanism conveys the tire after centering to a secondary centering and intermediate rail, conveys the tire after secondary centering and intermediate rail secondary centering to a centering device, and enters a tire rotation driving device after centering again by the centering device, the tire rotation driving device is used to rotate and adjust the tire up and down and is used to inflate the tire, the grinding device is used to grind the white edge of the tire, the dust suction device is used to collect the chips generated by grinding into a dust suction unit, and the lower tire rail device is used to smoothly unload the tire after grinding the white edge from a host device. The edge grinding machine can suck ground 'glue foam' away, so that powder accumulation is avoided, and ignition is prevented; meanwhile, the fonts are polished smoothly and are consistent, and both solid fonts and hollow fonts can be polished; finally, the production efficiency is improved, and the labor intensity of workers is reduced.
However, this device has three drawbacks:
1. this equipment only adopts a wheel of polishing to polish, and efficiency of polishing is lower.
2. Waste generated in the grinding process of the equipment is easy to accumulate, and the grinding continuity is affected.
3. The polishing position of the device can be adjusted only in the front-back direction and not in the left-right direction, and the polishing wheel is fixed in position and not suitable for polishing tires of different sizes.
Accordingly, further developments and improvements are still needed in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a novel tire edging machine has solved the defect that current equipment of polishing exists, realizes the meticulous control to the wheel of polishing, is favorable to implementing meticulous polishing to the tire, adapts to the tire white side wall of not unidimensional and different models and polishes, guarantees the quality of polishing of tire.
In order to realize the purpose, the utility model adopts the following technical scheme:
a novel tire edge grinding machine comprises a lower frame and an upper frame; the lower rack is provided with a tire track device, a tire holding device and a waste collecting device; a first polishing adjusting device and a second polishing adjusting device are symmetrically arranged on the upper rack, a first polishing mechanism is arranged at the lower end of the first polishing adjusting device, and a second polishing mechanism is arranged at the lower end of the second polishing adjusting device; a vertically downward main rotating shaft device is arranged in the middle of the upper frame, a placenta is mounted at the lower end of the main rotating shaft device, and the placenta corresponds to the tire track device; a control cabinet is installed on one side of the lower rack and connected with the tire track device, the tire holding device, the waste collecting device, the first polishing adjusting device, the second polishing adjusting device, the first polishing mechanism, the second polishing mechanism and the main rotating shaft device.
As a preferred embodiment of the present invention, wherein: the tire track device comprises two front roll shafts which are sequentially axially arranged at the front side of the lower rack and arranged in parallel, a movable frame arranged at the middle part of the lower rack and two rear roll shafts which are sequentially axially arranged at the rear side of the lower rack and arranged in parallel; the placenta holding device and the placenta correspond to a movable frame; a plurality of middle roll shafts are sequentially installed in the movable frame.
As a preferred embodiment of the present invention, wherein: the tire embracing device comprises tire embracing supports which are symmetrically arranged on the lower rack and positioned on two sides of the movable frame; two tire embracing shafts are mounted on each tire embracing bracket; the upper end of each tire embracing shaft is provided with a tire embracing seat, and an inward tire embracing arm is arranged on each tire embracing seat; the tire embracing piece is vertically installed and can rotate; each tire embracing support is provided with a tire embracing driving mechanism, the tire embracing driving mechanism is in transmission connection with two tire embracing shafts, and the two tire embracing shafts can move synchronously and in opposite directions.
As a preferred embodiment of the present invention, wherein: the tire holding driving mechanism comprises a tire holding motor arranged on the tire holding bracket, and the tire holding motor is in transmission connection with a driving gear; the two tire holding shafts are respectively provided with two driven gears which are meshed with each other; the drive gear engages one of the driven gears.
As a preferred embodiment of the present invention, wherein: the waste collecting device comprises a collecting hopper which is arranged on the lower rack and is positioned below the movable frame; a collecting pipe arranged on the lower rack is communicated with the lower part of the collecting hopper; the lower part of the lower rack is provided with a collecting box, and the collecting box is provided with a suction fan; the collecting pipe is communicated with the collecting box.
As a preferred embodiment of the present invention, wherein: the upper frame is provided with a blowing support, and the blowing support is provided with a blower and a plurality of blowing heads communicated with the blower; the blowing head faces the movable frame.
As a preferred embodiment of the present invention, wherein: the first grinding adjusting device comprises a first grinding seat arranged on the upper rack, and a first lifting cylinder which is vertically downward is arranged on the first grinding seat; the lower end of the first lifting cylinder is provided with a first polishing lifting seat; a rotatable first polishing mounting plate is mounted on the first polishing lifting seat; a first inclined lifting cylinder is mounted on the first polishing seat, and a piston rod of the first inclined lifting cylinder is in transmission connection with the end part of the first polishing mounting plate; the first polishing mounting plate is provided with a first polishing mechanism; the second polishing adjusting device comprises a second polishing seat arranged on the upper rack, and a second lifting cylinder which is vertically downward is arranged on the second polishing seat; the lower end of the second lifting cylinder is provided with a second polishing lifting seat; a rotatable second polishing mounting plate is mounted on the second polishing lifting seat; a second inclined lifting cylinder is mounted on the second polishing seat, and a piston rod of the second inclined lifting cylinder is in transmission connection with the end part of the second polishing mounting plate; and a second polishing mechanism is arranged on the second polishing mounting plate.
As a preferred embodiment of the present invention, wherein: the first grinding mechanism comprises a first grinding motor arranged on the first grinding mounting plate and a first grinding head in transmission connection with the first grinding motor; the second grinding mechanism comprises a second grinding motor arranged on the second grinding mounting plate and a second grinding head in transmission connection with the second grinding motor.
As a preferred embodiment of the present invention, wherein: the main rotating shaft device comprises a main rotating shaft seat arranged in the middle of the upper frame; a rotating seat is arranged on the main rotating shaft seat, and a vertically downward rotating motor is arranged on one side of the main rotating shaft seat; the rotating motor is in transmission connection with the rotating seat; a main rotating shaft lifting cylinder which is vertically downward is arranged at the lower end of the rotating seat, and a piston rod of the main rotating shaft lifting cylinder is fixedly connected with a main rotating shaft; the lower end of the main rotating shaft is provided with a placenta.
As a preferred embodiment of the present invention, wherein: a controller and a power supply assembly are installed in the control cabinet; the power supply assembly is connected with the controller and external commercial power; the controller adopts a PLC.
Compared with the prior art, the utility model discloses the beneficial effect who realizes:
1. the utility model discloses move on the roller of front and back roller and middle part movable frame, remove and to adopt the manual work, also can adopt mechanical energy such as motor to carry out the drive that removes to embrace the tire through embracing the child device, then through vertical rotatable through last child track with lower child track set up well device well, realize the tire in the host computer of polishing target in place controllable and grinding operation, improve grinding efficiency, promote grinding quality.
2. The utility model discloses a to polish the wheel and set up on the support adjusting device that can control and adjust vertical height, every single move angle, realize the meticulous control to polishing wheel, be favorable to implementing the meticulous polishing to the tire, the white side of tire that adapts to not unidimensional and different models is polished, guarantees the quality of polishing of tire.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
fig. 1 is a schematic side view of an embodiment of the present invention;
fig. 2 is a schematic front structural diagram of an embodiment of the present invention.
In the figure:
1. a suction fan; 2. a movable frame; 3. a tire embracing arm; 4. a tyre shaft is embraced; 5. a lower frame; 6. a rear roll shaft; 7. a tire holding piece; 8. a second grinding motor; 9. a second polishing mounting plate; 10. a second polishing lifting seat; 11. a second polishing head; 12. a piston rod; 13. a second lifting cylinder; 14. a second inclined lifting cylinder; 15. a second bracket; 16. a second piston rod; 17. a rotating electric machine; 18. a rotating base; 19. a main rotating shaft seat; 20. a main rotating shaft; 21. a placenta; 22. a first bracket; 23. a first inclined lifting cylinder; 24. a first lifting cylinder; 25. a first piston rod; 26. a piston rod; 27. a U-shaped connecting seat; 28. a first sanding block; 30. a first sanding lifting seat; 31. a first sanding mounting plate; 32. a blowing head; 33. a blowing bracket; 34. a first grinding motor; 35. a first polishing head; 36. an upper frame; 37. a power take-off shaft; 38. a tire holding motor; 39. a lower support shaft; 40. a drive shaft.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1-2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical changes.
As shown in fig. 1-2, the present embodiment discloses a novel tire edging machine, which comprises a lower frame 5 and an upper frame 36. The upper frame and the lower frame are connected and act together, and are provided with each working device to realize normal work.
And the lower frame 5 is provided with a tire track device, a tire holding device and a waste collecting device. The tire track device comprises a plurality of front roller shafts arranged in parallel on the front side of the lower frame, a movable frame 2 arranged in the middle of the lower frame and a plurality of rear roller shafts 6 arranged in parallel on the rear side of the lower frame. A plurality of middle roll shafts are sequentially installed in the movable frame.
Embrace child device and include that the symmetry is installed at lower frame 5 and is located the tire support of embracing of 2 both sides of movable frame, install two on each embrace the tire support and embrace child axle 4. Each is embraced the upper end of child axle 4 and is installed and embrace the child seat, embraces and installs inward armful child arm 3 on the child seat, embrace child arm 3 medial extremity and install and embrace child spare 7, embrace child spare 7 and be vertical installation and rotatable. The tire embracing component is generally designed to be a tire embracing roller made of a plastic material or a metal material, and the tire embracing component has the function of embracing the tire to position the tire and simultaneously realizing the rotation of the tire. Each tire embracing support is provided with a tire embracing driving mechanism, the tire embracing driving mechanism is in transmission connection with two tire embracing shafts, and the two tire embracing shafts can move synchronously and in opposite directions. The principle of such a design is: three gears are meshed in sequence, wherein the first gear rotates clockwise, the second gear rotates anticlockwise, and the third gear rotates clockwise. The tire embracing driving mechanism comprises a tire embracing motor 38 arranged on a tire embracing support, a power output shaft 37 of the tire embracing motor 38 is in transmission connection with a driving shaft 40, and the driving shaft 40 is in transmission connection with a driving gear. Two embrace child epaxial two driven gear respectively, and two driven gear intermeshing, drive gear meshing one of them driven gear. When the scheme is that the tire is clamped by the tire clamping arm, and the positioning of the tire is realized.
The waste collecting device comprises a collecting hopper which is arranged on the lower frame 5 and positioned below the movable frame, and a collecting pipe arranged on the lower frame is communicated with the lower part of the collecting hopper. The lower part of the lower rack 5 is provided with a collecting box, and the collecting box is provided with a suction fan 1. The collecting pipe is communicated with the collecting box.
In addition, the lower frame 5 is provided with a lower support device for better rotating the tire. The lower supporting device comprises a lower supporting motor which is vertically upwards installed on the lower rack, the lower supporting motor is connected with a lower supporting shaft 39 in a transmission mode, a lower placenta used for bearing the tire is fixed to the top end of the lower supporting shaft 39, and the outer diameter of the lower placenta is larger than the inner hole diameter of the tire and smaller than the outer diameter of the tire.
A first polishing adjusting device and a second polishing adjusting device are symmetrically mounted on the upper rack, a first polishing mechanism is mounted at the lower end of the first polishing adjusting device, and a second polishing mechanism is mounted at the lower end of the second polishing adjusting device.
The middle part of the upper frame 36 is provided with a vertical downward main rotating shaft device, the lower end of the main rotating shaft device is provided with a placenta 21, the placenta 21 corresponds to a tire track device, namely the placenta 21 corresponds to a tire. The first grinding adjusting device comprises a first grinding seat 28 mounted on the upper frame, and a first lifting cylinder 24 which faces vertically downwards is mounted on the first grinding seat 28. The lower end of the first lifting cylinder 24 is provided with a first grinding lifting seat 30 through a first piston rod 25, and the first grinding lifting seat 30 is provided with a rotatable first grinding mounting plate 31. The first polishing seat 28 is provided with a first inclined lifting cylinder 23 through the first bracket 22, a piston rod 26 of the first inclined lifting cylinder 23 is in transmission connection with an end of a first polishing mounting plate 31, and in this embodiment, a U-shaped connecting seat 27 is mounted at the end of the first polishing mounting plate 31. The first grinding mechanism is mounted on the first grinding mounting plate and comprises a first grinding motor 34 mounted on the first grinding mounting plate and a first grinding head 35 in transmission connection with the first grinding motor 34.
The second adjusting device that polishes is including installing the second seat of polishing in last frame, and the second is polished and is installed vertical decurrent second lift cylinder 13 on the seat, the second lift cylinder 13's lower extreme is installed the second through second piston rod 16 and is polished lift seat 10. The second is polished and is installed rotatable second mounting panel 9 of polishing on the lift seat 10, install second slant lift cylinder 14 through second support 15 on the second seat of polishing, the tip of second mounting panel of polishing is connected in the transmission of the piston rod 12 of second slant lift cylinder 14. And a second polishing mechanism is arranged on the second polishing mounting plate and comprises a second polishing motor 8 arranged on the second polishing mounting plate and a second polishing head 11 in transmission connection with the second polishing motor 8.
The upper frame is provided with a blowing bracket 33, the blowing bracket 33 is provided with a blower and a plurality of blowing heads 32 communicated with the blower, and the blowing heads face the movable frame. The main rotating shaft device comprises a main rotating shaft seat 19 arranged in the middle of the upper frame 36, a rotating seat 18 is arranged on the main rotating shaft seat 19, a vertical downward rotating motor 17 is arranged on one side of the main rotating shaft seat 19, and the rotating seat 18 is connected with the rotating motor 17 in a transmission mode. A vertical downward main rotating shaft lifting cylinder is installed at the lower end of the rotating base 18, a main rotating shaft 20 is fixedly connected to a piston rod of the main rotating shaft lifting cylinder, and a placenta 21 is installed at the lower end of the main rotating shaft 20.
A control cabinet is installed on one side of the lower rack and connected with the tire track device, the tire holding device, the waste collecting device, the first polishing adjusting device, the second polishing adjusting device, the first polishing mechanism, the second polishing mechanism and the main rotating shaft device. A controller and a power supply assembly are installed in the control cabinet; the power supply assembly is connected with the controller and external commercial power; the controller adopts a PLC.
When the tire grinding machine is used, the front and rear roller shafts and the roller shaft of the middle movable frame move, the movement can be manual, mechanical energy such as a motor can be adopted for driving, tires can be embraced through the tire embracing device, then the centering device is arranged on the upper tire rail and the lower tire rail through vertical rotation, the tire can be controlled in place in the grinding host, the in-place control and grinding operation of the tires in the grinding host are realized, the grinding efficiency is improved, and the grinding quality is improved.
The utility model discloses a to polish the wheel and set up on the support adjusting device that can control and adjust vertical height, every single move angle, realize the meticulous control to polishing wheel, be favorable to implementing the meticulous polishing to the tire, the white side of tire that adapts to not unidimensional and different models is polished, guarantees the quality of polishing of tire.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a novel tire edge polishing machine which characterized in that: comprises a lower frame and an upper frame;
the lower rack is provided with a tire track device, a tire holding device and a waste collecting device; a first polishing adjusting device and a second polishing adjusting device are symmetrically arranged on the upper rack, a first polishing mechanism is arranged at the lower end of the first polishing adjusting device, and a second polishing mechanism is arranged at the lower end of the second polishing adjusting device; a vertically downward main rotating shaft device is arranged in the middle of the upper rack, a placenta is mounted at the lower end of the main rotating shaft device, and the placenta corresponds to the tire track device;
a control cabinet is installed on one side of the lower rack and connected with the tire track device, the tire holding device, the waste collecting device, the first polishing adjusting device, the second polishing adjusting device, the first polishing mechanism, the second polishing mechanism and the main rotating shaft device.
2. A novel tire edging machine according to claim 1, characterized in that: the tire track device comprises two front roll shafts which are arranged in parallel and are sequentially axially mounted on the front side of the lower rack, a movable frame which is mounted in the middle of the lower rack and two rear roll shafts which are arranged in parallel and are sequentially axially mounted on the rear side of the lower rack; the placenta embracing device and the placenta correspond to a movable frame; and a plurality of middle roller shafts are sequentially arranged in the movable frame.
3. A novel tire edging machine according to claim 2, characterized in that: the tire embracing device comprises tire embracing supports which are symmetrically arranged on the lower rack and positioned on two sides of the movable frame; two tire embracing shafts are mounted on each tire embracing bracket; the upper end of each tire embracing shaft is provided with a tire embracing seat, and an inward tire embracing arm is arranged on each tire embracing seat; the tire embracing piece is vertically installed and can rotate; each tire embracing support is provided with a tire embracing driving mechanism, the tire embracing driving mechanism is in transmission connection with two tire embracing shafts, and the two tire embracing shafts can move synchronously and in opposite directions.
4. A novel tire edging machine according to claim 3, characterized in that: the tire holding driving mechanism comprises a tire holding motor arranged on the tire holding bracket, and the tire holding motor is in transmission connection with a driving gear; the two tire holding shafts are respectively provided with two driven gears which are meshed with each other; the drive gear engages one of the driven gears.
5. A novel tire edging machine according to claim 4, characterized in that: the waste collecting device comprises a collecting hopper which is arranged on the lower rack and is positioned below the movable frame; a collecting pipe arranged on the lower rack is communicated with the lower part of the collecting hopper; the lower part of the lower rack is provided with a collecting box, and the collecting box is provided with a suction fan; the collecting pipe is communicated with the collecting box.
6. A novel tire edging machine according to claim 5, characterized in that: the upper frame is provided with a blowing support, and the blowing support is provided with a blower and a plurality of blowing heads communicated with the blower; the blowing head faces the movable frame.
7. A novel tire edging machine according to claim 6, characterized in that: the first grinding adjusting device comprises a first grinding seat arranged on the upper rack, and a first lifting cylinder which is vertically downward is arranged on the first grinding seat; the lower end of the first lifting cylinder is provided with a first polishing lifting seat; a rotatable first polishing mounting plate is mounted on the first polishing lifting seat; a first inclined lifting cylinder is mounted on the first polishing seat, and a piston rod of the first inclined lifting cylinder is in transmission connection with the end part of the first polishing mounting plate; a first polishing mechanism is arranged on the first polishing mounting plate;
the second polishing adjusting device comprises a second polishing seat arranged on the upper rack, and a second lifting cylinder which is vertically downward is arranged on the second polishing seat; the lower end of the second lifting cylinder is provided with a second polishing lifting seat; a rotatable second polishing mounting plate is mounted on the second polishing lifting seat; a second inclined lifting cylinder is installed on the second polishing seat, and a piston rod of the second inclined lifting cylinder is in transmission connection with the end part of the second polishing installation plate; and a second polishing mechanism is arranged on the second polishing mounting plate.
8. A novel tire edging machine according to claim 7, characterized in that: the first grinding mechanism comprises a first grinding motor arranged on the first grinding mounting plate and a first grinding head in transmission connection with the first grinding motor; the second grinding mechanism comprises a second grinding motor arranged on the second grinding mounting plate and a second grinding head in transmission connection with the second grinding motor.
9. A novel tire edging machine according to claim 8, characterized in that: the main rotating shaft device comprises a main rotating shaft seat arranged in the middle of the upper frame; a rotating seat is arranged on the main rotating shaft seat, and a vertically downward rotating motor is arranged on one side of the main rotating shaft seat; the rotating motor is in transmission connection with the rotating seat; a main rotating shaft lifting cylinder which is vertically downward is arranged at the lower end of the rotating seat, and a piston rod of the main rotating shaft lifting cylinder is fixedly connected with a main rotating shaft; the lower end of the main rotating shaft is provided with a placenta.
10. A novel tire edging machine according to claim 9, characterized in that: a controller and a power supply assembly are installed in the control cabinet; the power supply assembly is connected with the controller and external commercial power; the controller adopts a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222037146.6U CN217860347U (en) | 2022-08-03 | 2022-08-03 | Novel tire edge grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222037146.6U CN217860347U (en) | 2022-08-03 | 2022-08-03 | Novel tire edge grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217860347U true CN217860347U (en) | 2022-11-22 |
Family
ID=84056508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222037146.6U Active CN217860347U (en) | 2022-08-03 | 2022-08-03 | Novel tire edge grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217860347U (en) |
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2022
- 2022-08-03 CN CN202222037146.6U patent/CN217860347U/en active Active
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