Nothing Special   »   [go: up one dir, main page]

CN220906740U - Novel high-efficient slitting machine - Google Patents

Novel high-efficient slitting machine Download PDF

Info

Publication number
CN220906740U
CN220906740U CN202323049749.9U CN202323049749U CN220906740U CN 220906740 U CN220906740 U CN 220906740U CN 202323049749 U CN202323049749 U CN 202323049749U CN 220906740 U CN220906740 U CN 220906740U
Authority
CN
China
Prior art keywords
groups
slitting
fixedly arranged
adjusting
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202323049749.9U
Other languages
Chinese (zh)
Inventor
谢和华
张雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flextec Changzhou Electronic Technology Co ltd
Original Assignee
Flextec Changzhou Electronic Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Flextec Changzhou Electronic Technology Co ltd filed Critical Flextec Changzhou Electronic Technology Co ltd
Priority to CN202323049749.9U priority Critical patent/CN220906740U/en
Application granted granted Critical
Publication of CN220906740U publication Critical patent/CN220906740U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Shearing Machines (AREA)

Abstract

The utility model relates to the technical field of slitting machines, in particular to a novel efficient slitting machine which adjusts the distance between circular cutters so as to meet the slitting size requirement, improve the processing freedom of the device, meet various processing requirements and reduce the use limitation; including cutting support, bearing extension board, cut roller, roller motor, adjust the case seat, long guide rail, baffle and two sets of mechanisms of cutting, relative fixed mounting has two sets of bearing extension boards on cutting the support, rotates between two sets of bearing extension boards and installs a set of roller of cutting, roller motor fixed mounting is on cutting the support, roller motor power take off end and cut roller power input end fastening connection, adjust case seat fixed mounting on cutting the support, two sets of long guide rail of fixed mounting have on the adjustment case seat, baffle fixed mounting is in the adjustment case seat middle part, two sets of mechanisms of cutting are relative fixed mounting on the adjustment case seat.

Description

Novel high-efficient slitting machine
Technical Field
The utility model relates to the technical field of slitting machines, in particular to a novel efficient slitting machine.
Background
The slitting machine is a main device for slitting, and is a machine for slitting and finishing raw materials with large width and large diameter into finished product rolls with uniform inside and outside by fixed width and rewinding. The existing slitting machine can only cut fixed sizes in the processing process, and can not well meet variable processing requirements, so that the application limitation is high.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a novel efficient slitting machine which is used for adjusting the distance between circular cutters so as to meet the slitting size requirement, improve the processing freedom of the device, meet various processing requirements and reduce the use limitation.
The utility model discloses a novel efficient slitting machine which comprises a slitting bracket, bearing support plates, slitting rollers, a roller shaft motor, an adjusting box seat, long guide rails, a partition plate and two groups of slitting mechanisms, wherein the two groups of bearing support plates are relatively and fixedly arranged on the slitting bracket;
The slitting mechanism comprises a first screw, a first motor, a sliding seat, a first sliding block, a screw hole sliding block, a cutter seat, a round cutter and an adjusting component, wherein the first screw is rotationally inserted on a partition plate, the first motor is fixedly installed on the adjusting box seat, a power output end of the first motor is fixedly connected with a power input end of the first screw, two groups of first sliding blocks are relatively and fixedly installed at the bottom end of the sliding seat, the two groups of first sliding blocks are respectively and slidably clamped on two groups of long guide rails, the screw hole sliding block is fixedly installed at the bottom end of the sliding seat, the screw hole sliding block is in threaded fit on the first screw, the adjusting component is fixedly installed at the top end of the sliding seat, the cutter seat is fixedly installed on the adjusting component, and the round cutter is rotationally installed on the cutter seat.
The utility model relates to a novel efficient slitting machine, which comprises an adjusting guide rail, an adjusting slide plate, a second sliding block, a second motor, a second screw rod and a threaded lantern ring, wherein two groups of adjusting guide rails are symmetrically and fixedly arranged at the top end of a slide seat, two groups of second sliding blocks are relatively and fixedly arranged at the bottom end of the adjusting slide plate, the two groups of second sliding blocks are respectively and slidably clamped on the two groups of adjusting guide rails, the second motor is fixedly arranged on the slide seat, the second screw rod is fixedly arranged at the power output end of the second motor, the threaded lantern ring is fixedly arranged at the bottom end of the adjusting slide plate, the threaded lantern ring is sheathed on the second screw rod in a threaded manner, and a cutter seat is fixedly arranged at the top end of the adjusting slide plate.
The novel efficient slitting machine further comprises limiting plates, wherein two groups of limiting plates are relatively and fixedly arranged in the adjusting box seat, and the two groups of limiting plates are respectively arranged in the two groups of slitting mechanisms.
According to the novel efficient slitting machine, rubber pads are adhered to the side end faces of the limiting plates.
The novel efficient slitting machine further comprises an auxiliary support, sliding rails, racks, a carrier roller support plate, a carrier roller bearing plate, a carrier roller, a driving motor, a gear guide shaft and gears, wherein the auxiliary support is fixedly connected with the slitting support, two groups of sliding rails and two groups of racks are oppositely and fixedly arranged on the auxiliary support, two groups of guide blocks are arranged at the bottom end of the carrier roller support plate, the carrier roller support plate is slidably clamped on the two groups of sliding rails through the two groups of guide blocks, two groups of carrier roller bearing plates are oppositely and fixedly arranged at the top end of the carrier roller support plate, the carrier roller is rotatably inserted between the two groups of carrier roller bearing plates, the driving motor is fixedly arranged on the carrier roller support plate, the gear guide shaft is fixedly arranged at the power output end of the driving motor, two groups of gears are symmetrically and fixedly arranged at the two ends of the gear guide shaft, and the two groups of gears are respectively meshed with the two groups of racks.
The utility model relates to a novel efficient slitting machine, which further comprises a travel block, wherein the travel block is fixedly arranged at the outer end of a rack.
According to the novel efficient slitting machine, two groups of rubber pads are oppositely arranged at two side ends of the partition plate.
The novel efficient slitting machine provided by the utility model has the advantages that the sliding rail and the rack are mutually parallel.
Compared with the prior art, the utility model has the beneficial effects that: the strip is wound on the slitting roller, the roller motor is started, the output end of the roller motor drives the slitting roller to rotate, then the strip is conveyed through the slitting roller which rotates, then the distance between two groups of slitting mechanisms is adjusted according to slitting requirements, then the first motor is started, the output end of the first motor drives the first screw to rotate, then the first screw rotates to be matched with the screw slider in a threaded manner, the screw slider drives the sliding seat to translate, the sliding seat slides on the long guide rail through the first slider, then the sliding seat drives the adjusting assembly and the circular cutter to translate and adjust the distance between the circular cutters, so that the slitting size requirements are met, the processing freedom degree of the device is improved, various processing requirements are met, and the use limitation is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the mounting structure of the slitting mechanism;
FIG. 3 is an enlarged schematic view of the slitting mechanism;
The reference numerals in the drawings: 1. cutting the support; 2. a bearing support plate; 3. a slitting roller; 4. a roller shaft motor; 5. adjusting the box base; 6. a long guide rail; 7. a partition plate; 8. a first screw; 9. a first motor; 10. a slide; 11. a first slider; 12. a screw hole sliding block; 13. a tool apron; 14. a circular cutter; 15. adjusting the guide rail; 16. adjusting the sliding plate; 17. a second slider; 18. a second motor; 19. a second screw; 20. a threaded collar; 21. a limiting plate; 22. an auxiliary bracket; 23. a slide rail; 24. a rack; 25. a carrier roller support plate; 26. a carrier roller bearing plate; 27. a carrier roller; 28. a driving motor; 29. a gear guide shaft; 30. a gear; 31. a travel block.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 3, the novel efficient slitting machine comprises a slitting bracket 1, bearing support plates 2, slitting rollers 3, a roller shaft motor 4, an adjusting box seat 5, long guide rails 6, a partition plate 7 and two groups of slitting mechanisms, wherein the slitting bracket 1 is relatively and fixedly provided with the two groups of bearing support plates 2, one group of slitting rollers 3 are rotatably arranged between the two groups of bearing support plates 2, the roller shaft motor 4 is fixedly arranged on the slitting bracket 1, the power output end of the roller shaft motor 4 is fixedly connected with the power input end of the slitting rollers 3, the adjusting box seat 5 is fixedly arranged on the slitting bracket 1, the adjusting box seat 5 is fixedly provided with the two groups of long guide rails 6, the partition plate 7 is fixedly arranged in the middle of the adjusting box seat 5, and the two groups of slitting mechanisms are relatively and fixedly arranged on the adjusting box seat 5;
The slitting mechanism comprises a first screw rod 8, a first motor 9, a sliding seat 10, a first sliding block 11, a screw hole sliding block 12, a cutter seat 13, a circular cutter 14 and an adjusting component, wherein the first screw rod 8 is rotatably inserted and installed on a partition plate 7, the first motor 9 is fixedly installed on an adjusting box seat 5, the power output end of the first motor 9 is fixedly connected with the power input end of the first screw rod 8, two groups of first sliding blocks 11 are relatively and fixedly installed at the bottom end of the sliding seat 10, the two groups of first sliding blocks 11 are respectively and slidably clamped on two groups of long guide rails 6, the screw hole sliding block 12 is fixedly installed at the bottom end of the sliding seat 10, the screw hole sliding block 12 is in threaded sleeve on the first screw rod 8, the adjusting component is fixedly installed at the top end of the sliding seat 10, the cutter seat 13 is fixedly installed on the adjusting component, and the circular cutter 14 is rotatably installed on the cutter seat 13; the strip is wound on the slitting roller 3, the roller motor 4 is started, the output end of the roller motor 4 drives the slitting roller 3 to rotate, then the strip is conveyed through the slitting roller 3 which rotates, then the distance between two groups of slitting mechanisms is adjusted according to slitting requirements, then the first motor 9 is started, the output end of the first motor 9 drives the first screw rod 8 to rotate, then the first screw rod 8 which rotates is in threaded fit with the screw hole slide block 12, the screw hole slide block 12 drives the slide seat 10 to translate, the slide seat 10 slides on the long guide rail 6 through the first slide block 11, then the slide seat 10 drives the adjusting component and the circular cutters 14 to translate and adjust, and the distance between the circular cutters 14 is adjusted, so that the slitting size requirements are met, the processing freedom degree of the device is improved, various processing requirements are met, and the use limitation is reduced.
As the preference of the above embodiment, the adjusting assembly includes an adjusting rail 15, an adjusting slide 16, a second slider 17, a second motor 18, a second screw 19 and a threaded collar 20, two groups of adjusting rails 15 are symmetrically and fixedly installed at the top end of the slide 10, two groups of second sliders 17 are relatively and fixedly installed at the bottom end of the adjusting slide 16, the two groups of second sliders 17 are respectively and slidably clamped on the two groups of adjusting rails 15, the second motor 18 is fixedly installed on the slide 10, the second screw 19 is fixedly installed at the power output end of the second motor 18, the threaded collar 20 is fixedly installed at the bottom end of the adjusting slide 16, the threaded collar 20 is sleeved on the second screw 19 in a threaded manner, and the tool apron 13 is fixedly installed at the top end of the adjusting slide 16; the second motor 18 is started, the output end of the second motor 18 drives the second screw rod 19 to rotate, then the second screw rod 19 which rotates is in threaded fit with the threaded sleeve ring 20, the threaded sleeve ring 20 drives the adjusting slide plate 16 to longitudinally move, then the adjusting slide plate 16 drives the tool apron 13 and the circular cutter 14 to longitudinally move, the distance between the circular cutter 14 and the slitting roller 3 is adjusted, and then the cutting depth and the cutting force of the circular cutter 14 are adjusted, so that strip splitting tasks with different thicknesses can be handled, and the use limitation is reduced.
As a preference of the above embodiment, the device further comprises a limiting plate 21, wherein two groups of limiting plates 21 are relatively and fixedly installed in the adjusting box seat 5, and the two groups of limiting plates 21 are respectively arranged in the two groups of cutting mechanisms; through setting up limiting plate 21, restrict the travel of two sets of mechanism that cut, prevent that the mechanism from colliding with other parts and interfering, improve stability in use.
As a preferable example of the above embodiment, a rubber pad is adhered to the side end surface of the limiting plate 21; buffering is carried out to the mechanism of cutting, prevents to cut the mechanism striking and damages on limiting plate 21, improves stability in use.
As the preference of the above embodiment, the slitting machine further comprises an auxiliary bracket 22, sliding rails 23, racks 24, a carrier roller supporting plate 25, a carrier roller bearing plate 26, a carrier roller 27, a driving motor 28, a gear guide shaft 29 and gears 30, wherein the auxiliary bracket 22 is fixedly connected with the slitting bracket 1, two groups of sliding rails 23 and two groups of racks 24 are relatively fixedly arranged on the auxiliary bracket 22, two groups of guide sliding blocks are arranged at the bottom end of the carrier roller supporting plate 25, the carrier roller supporting plate 25 is slidably clamped on the two groups of sliding rails 23 through the two groups of guide sliding blocks, two groups of carrier roller bearing plates 26 are relatively fixedly arranged at the top end of the carrier roller supporting plate 25, the carrier roller 27 is rotatably inserted between the two groups of carrier roller bearing plates 26, the driving motor 28 is fixedly arranged on the carrier roller supporting plate 25, the gear guide shaft 29 is fixedly arranged at the power output end of the driving motor 28, two groups of gears 30 are symmetrically and fixedly arranged at the two ends of the gear guide shaft 29, and the two groups of gears 30 are respectively meshed with the two groups of racks 24; the supporting auxiliary conveying is carried out on the belt materials through the carrier roller 27, in the conveying process, the driving motor 28 is started, the output end of the driving motor 28 drives the gear guide shaft 29 to rotate, then the gear guide shaft 29 which rotates drives the two groups of gears 30 to rotate, then the two groups of gears 30 which rotate are respectively meshed and matched with the two groups of racks 24, then the carrier roller support plate 25 is pushed to integrally slide on the two groups of sliding rails 23 through the reaction force, the position of the carrier roller 27 is adjusted, the lifting position of the carrier roller 27 on the belt materials is adjusted, the belt materials are prevented from falling down on equipment due to gravity, the completeness of the belt materials is ensured, and the use stability is improved.
Preferably, the embodiment further comprises a stroke block 31, and the stroke block 31 is fixedly arranged at the outer end of the rack 24; through setting up stroke piece 31, be convenient for restrict bearing roller extension board 25 translation stroke, prevent that bearing roller extension board 25 from dropping from auxiliary stand 22 upside, improve stability in use.
As the preference of the embodiment, two groups of rubber pads are oppositely arranged at two side ends of the partition board 7; the slitting mechanism is protected, the slitting mechanism is prevented from directly striking the partition plate 7 to be damaged, and the use stability is improved.
As a preference to the above embodiment, the slide rail 23 and the rack 24 are parallel to each other.
According to the novel efficient strip splitting machine, when the novel efficient strip splitting machine works, strips are wound on the slitting roller 3, the roller shaft motor 4 is started, the output end of the roller shaft motor 4 drives the slitting roller 3 to rotate, then the strips are conveyed through the rotating slitting roller 3, the distance between two groups of slitting mechanisms is adjusted according to the splitting requirement, then the first motor 9 is started, the output end of the first motor 9 drives the first screw 8 to rotate, then the rotating first screw 8 is in threaded fit with the screw hole sliding block 12, the screw hole sliding block 12 drives the sliding seat 10 to translate, the sliding seat 10 slides on the long guide rail 6 through the first sliding block 11, then the sliding seat 10 drives the adjusting component and the circular cutters 14 to translate and adjust, the distance between the circular cutters 14 is adjusted, so that the strip splitting size requirement is met, the processing degree of freedom of the device is improved, various processing requirements are met, the second motor 18 is started, the output end of the second motor 18 drives the second screw 19 to rotate, then the rotating second screw 19 is in threaded fit with the threaded sleeve 20, the threaded sleeve 20 drives the adjusting sliding plate 16 to longitudinally move, then the tool holder 13 and the circular cutters 14 longitudinally move along with the longitudinal direction, the adjusting sliding plate 14, the cutting roller 14 is driven by the adjusting sleeve 16, the distance between the tool holder and the slitting roller 14 and the strip splitting roller 14 is adjusted, the strip splitting roller is in the process, and the strip splitting force is required to be provided, and the strip splitting force is different from the strip cutting force to be conveyed through the adjusting the distance between the cutting roller and the strip cutting device, and the strip cutting device.
The novel efficient slitting machine has the advantages that the installation mode, the connection mode or the setting mode of the novel efficient slitting machine are common mechanical modes, and the novel efficient slitting machine can be implemented as long as the beneficial effects of the novel efficient slitting machine can be achieved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (8)

1. The novel efficient slitting machine is characterized by comprising a slitting support (1), bearing support plates (2), slitting rollers (3), a roller shaft motor (4), an adjusting box seat (5), a long guide rail (6), a partition plate (7) and two groups of slitting mechanisms, wherein the two groups of bearing support plates (2) are relatively and fixedly arranged on the slitting support (1), a group of slitting rollers (3) are rotatably arranged between the two groups of bearing support plates (2), the roller shaft motor (4) is fixedly arranged on the slitting support (1), a power output end of the roller shaft motor (4) is fixedly connected with a power input end of the slitting rollers (3), the adjusting box seat (5) is fixedly arranged on the slitting support (1), the two groups of long guide rails (6) are fixedly arranged on the adjusting box seat (5), and the partition plate (7) is fixedly arranged in the middle of the adjusting box seat (5) and the two groups of slitting mechanisms are relatively and fixedly arranged on the adjusting box seat (5);
The slitting mechanism comprises a first screw (8), a first motor (9), a sliding seat (10), a first sliding block (11), a screw hole sliding block (12), a cutter seat (13), a round cutter (14) and an adjusting component, wherein the first screw (8) is rotationally inserted on a partition board (7), the first motor (9) is fixedly arranged on the adjusting box seat (5), a power output end of the first motor (9) is fixedly connected with a power input end of the first screw (8), two groups of first sliding blocks (11) are fixedly arranged at the bottom end of the sliding seat (10), the two groups of first sliding blocks (11) are respectively and slidably clamped on the two groups of long guide rails (6), the screw hole sliding block (12) is fixedly arranged at the bottom end of the sliding seat (10), the screw hole sliding block (12) is sleeved on the first screw (8) in a threaded mode, the adjusting component is fixedly arranged at the top end of the sliding seat (13), and the round cutter (14) is rotationally arranged on the cutter seat (13).
2. The novel efficient slitting machine according to claim 1, wherein the adjusting assembly comprises an adjusting guide rail (15), an adjusting slide plate (16), a second sliding block (17), a second motor (18), a second screw rod (19) and a threaded collar (20), two groups of adjusting guide rails (15) are symmetrically and fixedly arranged at the top end of the sliding seat (10), two groups of second sliding blocks (17) are relatively and fixedly arranged at the bottom end of the adjusting slide plate (16), the two groups of second sliding blocks (17) are respectively and slidably clamped on the two groups of adjusting guide rails (15), the second motor (18) is fixedly arranged on the sliding seat (10), the power output end of the second motor (18) is fixedly provided with the second screw rod (19), the threaded collar (20) is fixedly arranged at the bottom end of the adjusting slide plate (16), the threaded collar (20) is sleeved on the second screw rod (19), and the tool apron (13) is fixedly arranged at the top end of the adjusting slide plate (16).
3. The novel efficient slitting machine according to claim 1, further comprising limiting plates (21), wherein two groups of limiting plates (21) are relatively and fixedly installed in the adjusting box seat (5), and the two groups of limiting plates (21) are respectively arranged in the two groups of slitting mechanisms.
4. A novel efficient slitting machine according to claim 3, wherein rubber pads are adhered to side end surfaces of the limiting plates (21).
5. The novel efficient slitting machine according to claim 1, further comprising an auxiliary bracket (22), sliding rails (23), racks (24), a carrier roller support plate (25), a carrier roller bearing plate (26), a carrier roller (27), a driving motor (28), a gear guide shaft (29) and gears (30), wherein the auxiliary bracket (22) is fixedly connected with the slitting bracket (1), two groups of sliding rails (23) and two groups of racks (24) are fixedly installed on the auxiliary bracket (22) relatively, two groups of guide blocks are arranged at the bottom end of the carrier roller support plate (25), the carrier roller support plate (25) is slidably clamped on the two groups of sliding rails (23) through the two groups of guide blocks, two groups of carrier roller bearing plates (26) are fixedly installed at the top end of the carrier roller support plate (25) relatively, the carrier roller (27) is rotatably inserted between the two groups of carrier roller bearing plates (26), the driving motor (28) is fixedly installed on the carrier roller support plate (25), the driving motor (28) is fixedly installed with the gear guide shaft (29) at the power output end, and the two groups of gear guide shafts (29) are symmetrically installed on the two groups of racks (30) respectively.
6. The novel efficient slitting machine according to claim 5, further comprising a travel block (31), wherein the travel block (31) is fixedly mounted at the outer end of the rack (24).
7. The novel efficient slitting machine according to claim 1, wherein two groups of rubber pads are oppositely arranged at two side ends of the partition plate (7).
8. A new and effective slitting machine according to claim 5, characterized in that the slide rail (23) and the rack (24) are mutually parallel.
CN202323049749.9U 2023-11-10 2023-11-10 Novel high-efficient slitting machine Active CN220906740U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323049749.9U CN220906740U (en) 2023-11-10 2023-11-10 Novel high-efficient slitting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323049749.9U CN220906740U (en) 2023-11-10 2023-11-10 Novel high-efficient slitting machine

Publications (1)

Publication Number Publication Date
CN220906740U true CN220906740U (en) 2024-05-07

Family

ID=90907271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323049749.9U Active CN220906740U (en) 2023-11-10 2023-11-10 Novel high-efficient slitting machine

Country Status (1)

Country Link
CN (1) CN220906740U (en)

Similar Documents

Publication Publication Date Title
CN208961112U (en) A kind of automatic gas cutting machine of bellows
CN112191908A (en) Heating pipeline processing cutting device
CN220906740U (en) Novel high-efficient slitting machine
CN209937014U (en) Roll paper cutting device with adjustable interval
CN211729300U (en) Rubber roll cutting machine
CN216502620U (en) Cutting device is used in various steel sheet processing
CN211073788U (en) Stable guillootine
CN214447044U (en) High accuracy plank cutting machine
CN219325294U (en) Blade divides material loading platform
CN220966223U (en) Straight-knife dough cutting machine for noodle processing
CN221817954U (en) Cutting device that copper product was used
CN220840315U (en) Cutting device of self-adhesive printing paper
CN219466617U (en) Ceramic tile production and processing cutting device
CN217995688U (en) Adjustable stable feeding mechanism for Tray disc machining
CN219359535U (en) Paper cutting machine convenient to cut paper corner
CN221112043U (en) Cutting mechanism for rubber roll processing
CN215880375U (en) Continuous plate laser cutting machine
CN219685767U (en) Cutting device for slider raw materials
CN221700195U (en) Positioning device for EPE coiled material production
CN221540099U (en) Cutting machine with guide structure
CN216807550U (en) Easily adjust high-efficient cutting device is used in non-setting adhesive production of cutting position
CN220240825U (en) High-precision feeding device of high-speed cutting machine
CN221416779U (en) Conveying device for winding core pipe
CN110817550B (en) Paper feeding device of splitting machine
CN219005565U (en) Electronic cutting saw with sand edge function

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant