CN110548998A - Small-size stone carving laser engraving device - Google Patents
Small-size stone carving laser engraving device Download PDFInfo
- Publication number
- CN110548998A CN110548998A CN201910783915.7A CN201910783915A CN110548998A CN 110548998 A CN110548998 A CN 110548998A CN 201910783915 A CN201910783915 A CN 201910783915A CN 110548998 A CN110548998 A CN 110548998A
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- Prior art keywords
- sliding
- groove
- sliding block
- base
- wedge
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
- B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention provides small-sized stone carving laser carving equipment which comprises a base, a supporting beam arranged on the base, a clamping mechanism used for clamping cylindrical stone materials, a cylinder, a longitudinal axis sliding rail, a transverse axis sliding rail, a spindle motor and a carving tool bit connected with the spindle motor, wherein the cylinder is arranged on the supporting beam, and the cylinder, the longitudinal axis sliding rail, the transverse axis sliding rail and the spindle motor are sequentially connected. The clamping mechanism comprises a semicircular supporting groove for containing cylindrical stone, a fixed seat, a concave movable seat, two corresponding clamping blocks and a hydraulic cylinder. This small-size stone carving laser engraving equipment places cylindrical building stones in the semicircle support groove, then utilizes the pneumatic cylinder to drive sliding seat and wedge downstream, drives two clamp splice relative motion and wraps cylindrical building stones with two sheets of rubber on the semicircle support groove behind wedge and the wedge contact, makes cylindrical building stones can not the displacement at the sculpture in-process, has improved cylindrical building stones's sculpture accuracy greatly.
Description
Technical Field
The invention relates to the technical field of laser engraving, in particular to a small-sized stone engraving laser engraving device.
Background
The stone carving is characterized in that various stones capable of being carved and carved are used for creating visual and tangible artistic images with certain space for decoration or viewing of commemorative artistic works, the stone carving art has been long since, and has a long history.
Also there are a lot of stone carving laser engraving equipment in the existing market, be 2019101806728's a small-size stone carving laser engraving equipment as chinese patent application number, include "the base, the upper end of base is equipped with a collecting board, the upper end of collecting board is equipped with operation platform, the place ahead that the upper end of base is located collecting board and operation platform is equipped with a platform of standing the people, be equipped with two guide rails in the both sides recess of base respectively, a walking wheel is installed respectively to the guide rail top, a longitudinal movement frame is installed jointly to the upper end of walking wheel, be connected with a backup pad between the longitudinal movement frame, install a lateral shifting frame in the backup pad. "
Above-mentioned application is when using to be treated glyptic building stones and is put on work platform, does not have how fixing device, only relies on building stones self weight to fix on work platform, though smooth building stones can firmly stabilize on work platform, but when carving some cylindric building stones, cylindric building stones can slide on work platform under the fluctuation of sculpture tool bit and squint, lead to carving the inaccuracy, serious still can cause explode sword or building stones to scrap. Moreover, when carving cylindrical stone, because cylindrical stone is arc on the plane, the carving tool bit is slightly located, which causes the carving depth deviation, the position of the carving tool bit is important, and the deviation of the transverse moving frame in the above application is large when moving.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a small-sized stone carving laser engraving device which can firmly fix cylindrical stone in the engraving process.
(II) technical scheme
in order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a small-size stone carving laser engraving equipment, includes the base, sets up supporting beam on the base, is used for pressing from both sides the clamping mechanism, cylinder, axis of ordinates slide rail, cross axis slide rail, spindle motor of tight cylindrical building stones and the sculpture tool bit that links to each other with spindle motor, the cylinder sets up on a supporting beam, cylinder, axis of ordinates slide rail, cross axis slide rail, spindle motor link to each other in proper order, clamping mechanism includes semicircle support groove, fixing base, spill adjustable seat, two corresponding clamp splices and the pneumatic cylinder that are used for holding cylindrical building stones, the pneumatic cylinder is vertical to be set up on a supporting beam and to link to each other with the adjustable seat, and the adjustable seat cover is on the fixing base and the bottom passes through the spring and links to each other with the fixing base, semicircle support groove sets up the bottom at the fixing base, the top of semicircle support, the top of two clamp splice is seted up with the wedge face of wedge looks adaptation, can drive the clamp splice lateral shifting who has the wedge face during wedge vertical migration, two the clamp splice can be on the base lateral sliding and corresponding with the position of two sheets rubber respectively.
Preferably, the clamping mechanism further comprises a guide rail vertically arranged on the movable seat and a guide post capable of vertically sliding in the guide rail, and the guide post is arranged on the fixed seat.
Preferably, the base is concave, clamping mechanism still includes connecting rod, reset spring, the limiting plate that transversely sets up, clamp splice, connecting rod, limiting plate link to each other in proper order, the connecting rod passes the base, the limiting plate is located outside the base, reset spring cover just is located between base and the limiting plate outside the connecting rod.
Preferably, the top of the base is provided with a semicircular bottom groove matched with the bottom of the semicircular supporting groove, and one surface of each of the two clamping blocks, which corresponds to each clamping block, is provided with a quarter-circular groove matched with the top of the cylindrical stone material.
Preferably, the bottom of the cross shaft slide rail is provided with a transverse fine adjustment mechanism capable of accurately adjusting the position of the carving tool bit, and the spindle motor is arranged on the transverse fine adjustment mechanism.
Preferably, the transverse fine adjustment mechanism comprises a transversely arranged sliding groove, a first sliding block, a second sliding block, a stud and a square disc, wherein the first sliding block and the second sliding block are matched on the sliding groove in a sliding mode, one end of the stud is pivoted on the first sliding block, the other end of the stud is in threaded connection with the second sliding block, the square disc is fixedly sleeved outside the stud, a guide groove is formed in the bottom of the sliding groove in a penetrating mode, an inverted L-shaped guide block matched with the sliding block in a sliding mode is arranged in the guide groove, one end of the guide block is connected with the second sliding block, the other end of the guide block is connected with the spindle motor, the transverse fine adjustment mechanism further comprises scales transversely arranged on the sliding groove and a pointer corresponding to the scale.
Preferably, the first sliding block and the second sliding block are both in threaded connection with locking nuts, and the locking nuts can penetrate through the first sliding block and the second sliding block and correspond to the bottom of the inner cavity of the sliding groove.
(III) advantageous effects
The invention provides a small-sized stone carving laser engraving device. The method has the following beneficial effects:
1. This small-size stone carving laser engraving equipment places cylindrical building stones in the semicircle support groove, then utilizes the pneumatic cylinder to drive sliding seat and wedge downstream, drives two clamp splice relative motion and wraps cylindrical building stones with two sheets of rubber on the semicircle support groove behind wedge and the wedge contact, makes cylindrical building stones can not the displacement at the sculpture in-process, has improved cylindrical building stones's sculpture accuracy greatly.
2. This small-size stone carving laser engraving equipment through setting up horizontal fine-tuning, can pinpoint the sculpture position of sculpture tool bit, greatly reduced the degree of depth deviation when sculpture.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a schematic view of the clamping mechanism of the present invention;
FIG. 3 is a schematic view of the longitudinal rail of the present invention;
FIG. 4 is a schematic structural view of a guide groove of the present invention;
FIG. 5 is a schematic structural diagram of the lateral fine adjustment mechanism of the present invention;
Fig. 6 is a view showing an operating state of the clamping mechanism of the present invention.
In the figure: the device comprises a base 1, a semicircular bottom groove 11, a supporting beam 12, a semicircular supporting groove 21, a rubber sheet 22, a fixed seat 23, a movable seat 24, a spring 25, a wedge-shaped block 26, a clamping block 27, a wedge-shaped surface 28, a hydraulic cylinder 29, a guide rail 30, a guide post 31, a connecting rod 32, a return spring 33, a limit plate 34, a cylinder 4, a longitudinal shaft slide rail 5, a transverse shaft slide rail 6, a transverse fine adjustment mechanism 7, a sliding groove 71, a first sliding block 72, a second sliding block 73, a stud 74, a dial 75, a guide groove 76, a guide block 77, a pointer 78, a scale 79, a spindle motor 8, a carving tool bit 9 and a locking nut 10.
Detailed Description
the embodiment of the invention provides a small-sized stone carving laser engraving device which comprises a base 1, a supporting beam 12 arranged on the base 1, a clamping mechanism used for clamping cylindrical stone, a cylinder 4, a longitudinal shaft sliding rail 5, a transverse shaft sliding rail 6, a spindle motor 8 and an engraving tool bit 9 connected with the spindle motor 8, wherein the cylinder 4, the longitudinal shaft sliding rail 5, the transverse shaft sliding rail 6 and the engraving tool bit are arranged on the base.
As shown in fig. 1, the cylinder 4 is disposed on the support beam 12, and the cylinder 4, the vertical axis slide rail 5, the horizontal axis slide rail 6, and the spindle motor 8 are connected in this order.
The longitudinal axis slide rail 5 and the transverse axis slide rail 6 are both in the prior art, and the specific model is an HG series ball type linear slide rail. The cylinder 4 can drive the carving tool bit 9 to move vertically, the longitudinal axis slide rail 5 can drive the carving tool bit 9 to move longitudinally, and the transverse axis slide rail 6 can drive the carving tool bit 9 to move transversely. The main shaft motor 8 drives the carving tool bit 9 to carve.
As shown in fig. 2, the clamping mechanism includes a semicircular supporting groove 21 for receiving a cylindrical stone, a fixed seat 23, a concave movable seat 24, two corresponding clamping blocks 27, and a hydraulic cylinder 29. The vertical setting of pneumatic cylinder 29 is on a supporting beam 12 and continuous with sliding seat 24, and sliding seat 24 cover is passed through spring 25 and is linked to each other with fixing base 23 on fixing base 23 and the bottom, and semicircle supports the bottom that groove 21 set up at fixing base 23, and the top of semicircle support groove 21 both sides is provided with the sheet rubber 22 that upwards extends, and sheet rubber 22 is vertical upward state under the unstressed state. The two sides of the bottom of the movable seat 24 are provided with wedge blocks 26, the inclined surfaces of the wedge blocks 26 are wide at the top and narrow at the bottom, and the inclined surfaces of the two wedge blocks 26 are corresponding. The top of the two clamping blocks 27 is provided with a wedge-shaped surface 28 matched with the wedge-shaped block 26, the wedge-shaped surface 28 is narrow at the top and wide at the bottom, and the two wedge-shaped surfaces 28 are arranged on the two clamping blocks 27 in a back-to-back manner. The bottom end of the wedge block 26 corresponds to the top of the wedge surface 28. The wedge block 26 can drive the clamping block 27 with the wedge surface 28 to move transversely when moving vertically, and the two clamping blocks 27 can slide transversely on the base 1 and respectively correspond to the positions of the two rubber sheets 22.
The clamping mechanism further comprises a guide rail 30 vertically arranged on the movable seat 24 and a guide column 31 capable of vertically sliding in the guide rail 30, wherein the guide column 31 is arranged on the fixed seat 23. When the fixed seat 23 encounters resistance to downward movement, the movable seat 24 can drive the guide rail 30 to continue downward movement on the guide column 31.
The base 1 is a concave shape, the clamping mechanism further comprises a connecting rod 32, a return spring 33 and a limiting plate 34 which are transversely arranged, the clamping block 27, the connecting rod 32 and the limiting plate 34 are sequentially connected, the connecting rod 32 penetrates through the base 1, the limiting plate 34 is located outside the base 1, and the return spring 33 is sleeved outside the connecting rod 32 and located between the base 1 and the limiting plate 34. When the wedge block 26 drives the clamping block 27 to move, the clamping block 27 drives the connecting rod 32 and the limiting plate 34 to move, and the limiting plate 34 compresses the return spring 33 on the base 1. When the clamp block 27 is released, it can be automatically reset by the reset spring 33.
The top of base 1 is seted up and is supported the semicircle kerve 11 of groove 21 bottom looks adaptation with the semicircle, and when semicircle supported groove 21 down to semicircle kerve 11, semicircle kerve 11 can be spacing to it, prevents its displacement. One surface of the two clamping blocks 27 corresponding to each other is provided with a quarter circular groove matched with the top of the cylindrical stone. When the two clamping blocks 27 are clamped oppositely, a circular cavity is formed between the two clamping blocks 27 and the semicircular bottom groove 11, so that the cylindrical stone is completely clamped.
As shown in fig. 6, when the clamping mechanism is used specifically, the hydraulic cylinder 29 drives the movable seat 24 and the fixed seat 23 to move downward simultaneously, when the semicircular supporting groove 21 on the fixed seat 23 contacts the semicircular bottom groove 11, the fixed seat 23 cannot move downward continuously, at this time, the movable seat 24 moves downward continuously and compresses the spring 25, and the spring 25 is used for resetting the movable seat 24 after the engraving is finished. The movable seat 24 moves downwards to drive the wedge block 26 to move downwards, the wedge block 26 gradually drives the two clamping blocks 27 to move relatively after contacting the wedge surface 28, and the two clamping blocks 27 respectively drive the two rubber sheets 22 to tightly wrap the cylindrical stone. After the tightening, the hydraulic cylinder 29 stops operating.
Cylindrical stone is placed in the semicircular supporting groove 21, then the hydraulic cylinder 29 is utilized to drive the movable seat 24 and the wedge block 26 to move downwards, the wedge block 26 is contacted with the wedge surface 28 and then drives the two clamping blocks 27 to move relatively, and the two rubber sheets 22 on the semicircular supporting groove 21 tightly wrap the cylindrical stone, so that the cylindrical stone cannot move in the carving process, and the carving accuracy of the cylindrical stone is greatly improved.
as shown in fig. 3, a transverse fine adjustment mechanism 7 capable of precisely adjusting the position of the engraving bit 9 is disposed at the bottom of the transverse-axis slide rail 6, and a spindle motor 8 is disposed on the transverse fine adjustment mechanism 7. Through setting up horizontal fine-tuning 7, can pinpoint the sculpture position of carving tool bit 9, greatly reduced the degree of depth deviation when carving.
As shown in fig. 4-5, the transverse fine adjustment mechanism 7 includes a sliding slot 71, a first sliding block 72, a second sliding block 73, a stud 74, and a normal disk 75, which are transversely disposed, the first sliding block 72 and the second sliding block 73 are both slidably fitted on the sliding slot 71, one end of the stud 74 is pivotally connected to the first sliding block 72, the other end is in threaded connection with the second sliding block 73, and the normal disk 75 is fixedly sleeved outside the stud 74. The bottom of the sliding groove 71 is provided with a guide groove 76 in a penetrating manner, the guide groove 76 is internally provided with an inverted L-shaped guide block 77 matched with the guide groove in a sliding manner, one end of the guide block 77 is connected with the second sliding block 73, the other end of the guide block 77 is connected with the spindle motor 8, the transverse fine adjustment mechanism 7 further comprises scales 79 transversely arranged on the sliding groove 71 and a pointer 78 corresponding to the scales 79, and the pointer 78 is arranged on the second sliding block 73.
The first sliding block 72 and the second sliding block 73 are both in threaded connection with a locking nut 10, and the locking nut 10 can penetrate through the first sliding block 72 and the second sliding block 73 and corresponds to the bottom of the inner cavity of the sliding groove 71.
When the transverse fine adjustment mechanism 7 is used specifically, the scale in the initial state is recorded first. And then loosening the lock nuts 10 on the first sliding block 72 and the second sliding block 73, roughly moving the first sliding block 72 and the second sliding block 73 to the vicinity of the position needing to be specified, and then locking the lock nuts 10 on the first sliding block 72. And then, rotating the dial 75, the dial 75 drives the stud 74 to rotate, the stud 74 drives the second slider 73 to move slowly, and when the pointer 78 specifies scales accurately, the lock nut 10 on the second slider 73 is locked. And finishing the transverse fine adjustment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a small-size stone carving laser engraving device, includes base (1), sets up supporting beam (12) on base (1), is used for pressing from both sides clamping mechanism, cylinder (4), axis of ordinates slide rail (5), cross axle slide rail (6), spindle motor (8) of pressing from both sides tight cylindrical building stones and links to each other with spindle motor (8) carving tool bit (9), cylinder (4) set up on supporting beam (12), cylinder (4), axis of ordinates slide rail (5), cross axle slide rail (6), spindle motor (8) link to each other in proper order, its characterized in that: clamping mechanism includes semicircle support groove (21), fixing base (23), concave sliding seat (24), two corresponding clamp splice (27) and pneumatic cylinder (29) that are used for the cylindrical building stones of holding, pneumatic cylinder (29) is vertical to be set up on a supporting beam (12) and to link to each other with sliding seat (24), sliding seat (24) cover is on fixing base (23) and the bottom passes through spring (25) and links to each other with fixing base (23), semicircle support groove (21) set up the bottom at fixing base (23), the top of semicircle support groove (21) both sides is provided with rubber sheet (22) that upwards extends, the both sides of sliding seat (24) bottom are provided with wedge (26), two wedge face (28) with wedge (26) looks adaptation are seted up at the top of clamp splice (27), can drive clamp splice (27) lateral shifting that have wedge face (28) during wedge (26) vertical shifting, the two clamping blocks (27) can transversely slide on the base (1) and respectively correspond to the positions of the two rubber sheets (22).
2. The small-sized stone carving laser engraving device as claimed in claim 1, characterized in that: the clamping mechanism further comprises a guide rail (30) vertically arranged on the movable seat (24) and a guide column (31) capable of vertically sliding in the guide rail (30), and the guide column (31) is arranged on the fixed seat (23).
3. The small-sized stone carving laser engraving device as claimed in claim 1, characterized in that: base (1) is concave shape, clamping mechanism is still including horizontal connecting rod (32), reset spring (33), limiting plate (34) that set up, clamp splice (27), connecting rod (32), limiting plate (34) link to each other in proper order, base (1) is passed in connecting rod (32), limiting plate (34) are located outside base (1), reset spring (33) cover is just located between base (1) and limiting plate (34) outside connecting rod (32).
4. the small-sized stone carving laser engraving device as claimed in claim 1, characterized in that: the top of the base (1) is provided with a semicircular bottom groove (11) matched with the bottom of the semicircular supporting groove (21), and one surface of each of the two clamping blocks (27) corresponding to each other is provided with a quarter circular groove matched with the top of the cylindrical stone.
5. The small-sized stone carving laser engraving device as claimed in claim 1, characterized in that: the bottom of the cross shaft sliding rail (6) is provided with a transverse fine adjustment mechanism (7) capable of accurately adjusting the position of the carving tool bit (9), and the spindle motor (8) is arranged on the transverse fine adjustment mechanism (7).
6. The small-sized stone carving laser engraving device as claimed in claim 5, characterized in that: the transverse fine adjustment mechanism (7) comprises a sliding groove (71), a first sliding block (72), a second sliding block (73), a stud (74) and a normal disc (75) which are transversely arranged, the first sliding block (72) and the second sliding block (73) are matched on the sliding groove (71) in a sliding mode, one end of the stud (74) is pivoted on the first sliding block (72), the other end of the stud (74) is in threaded connection with the second sliding block (73), the normal disc (75) is fixedly sleeved outside the stud (74), a guide groove (76) is formed in the bottom of the sliding groove (71) in a penetrating mode, an inverted L-shaped guide block (77) which is matched in the guide groove (76) in a sliding mode, one end of the guide block (77) is connected with the second sliding block (73), the other end of the guide block is connected with the spindle motor (8), the transverse fine adjustment mechanism (7) further comprises scales (79) transversely arranged on the sliding groove (71) and, the pointer (78) is arranged on the second sliding block (73).
7. The small-sized stone carving laser engraving device as claimed in claim 6, characterized in that: and the first sliding block (72) and the second sliding block (73) are both in threaded connection with a locking nut (10), and the locking nut (10) can penetrate through the first sliding block (72) and the second sliding block (73) and corresponds to the bottom of the inner cavity of the sliding groove (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783915.7A CN110548998B (en) | 2019-08-23 | 2019-08-23 | Small-size stone carving laser engraving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783915.7A CN110548998B (en) | 2019-08-23 | 2019-08-23 | Small-size stone carving laser engraving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110548998A true CN110548998A (en) | 2019-12-10 |
| CN110548998B CN110548998B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910783915.7A Active CN110548998B (en) | 2019-08-23 | 2019-08-23 | Small-size stone carving laser engraving device |
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Cited By (3)
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| CN110961793A (en) * | 2019-12-24 | 2020-04-07 | 安徽镭科智能科技有限公司 | 3D printing intelligent processing technology based on laser technology |
| CN112476672A (en) * | 2020-12-17 | 2021-03-12 | 叶建新 | Kitchen chopping block fluting former |
| CN114043555A (en) * | 2021-10-21 | 2022-02-15 | 山东银宝轮胎集团有限公司 | Tread pattern grooving device for retreaded tire |
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| CN112476672A (en) * | 2020-12-17 | 2021-03-12 | 叶建新 | Kitchen chopping block fluting former |
| CN112476672B (en) * | 2020-12-17 | 2022-06-21 | 南京禹智智能科技有限公司 | Kitchen chopping block fluting former |
| CN114043555A (en) * | 2021-10-21 | 2022-02-15 | 山东银宝轮胎集团有限公司 | Tread pattern grooving device for retreaded tire |
| CN114043555B (en) * | 2021-10-21 | 2023-09-22 | 山东银宝轮胎集团有限公司 | Tread pattern grooving device for retreaded tire |
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| CN110548998B (en) | 2021-05-18 |
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Effective date of registration: 20230713 Address after: Room 1502, No. 1, Lane 570, Dongjiangwan Road, Hongkou District, Shanghai, 200000 Patentee after: Ren Jun Patentee after: Ren Demin Address before: No.558 FenHu Avenue, Lili Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: SUZHOU MIKE LASER TECHNOLOGY SERVICES CO.,LTD. |