CN110449656B - Cross cutting sawing machine - Google Patents
Cross cutting sawing machine Download PDFInfo
- Publication number
- CN110449656B CN110449656B CN201910748393.7A CN201910748393A CN110449656B CN 110449656 B CN110449656 B CN 110449656B CN 201910748393 A CN201910748393 A CN 201910748393A CN 110449656 B CN110449656 B CN 110449656B
- Authority
- CN
- China
- Prior art keywords
- frame
- saw blade
- motor
- brake disc
- driven gear
- 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
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 210000000078 claw Anatomy 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/02—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage
- B23D45/021—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage with the saw blade mounted on a carriage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/04—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/08—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention discloses a crosscut sawing machine, which comprises a frame, a needle roller guide rail, an anti-skidding mechanism, a motor, a driven gear, a saw blade, a frame platform, a seat platform, a motor, a speed reducer, a coupler, an oiling device, a brake disc, a chuck turntable, vice claws, a clamp type brake, a ring piece, clamps and a riding wheel, wherein the bottom of the frame is connected with a bottom plate in a sliding way through the needle roller guide rail, the clamp type brake and the brake disc are adjusted by the device to ensure that the ring piece is stably clamped, the cutting reaction force of the saw blade can be reduced, the saw blade is stably cut by matching with the installation of a guide block, the saw blade is prevented from shaking, the cutting precision is improved, the service life of the saw blade is prolonged, the clamp type clamp is stably limited, the clamping force of the saw blade at the cutting part can be prevented from generating the clamping force when the saw blade is thoroughly, the chuck rotary table is prevented from being bent under the pressure of the ring piece, and the machining precision is improved.
Description
Technical Field
The invention relates to a transverse cutting sawing machine for ring piece segmentation, belongs to the field of engineering equipment, and particularly relates to a transverse cutting sawing machine.
Background
The large-scale ring forging is one of important links for development and production of wind power and large-scale equipment in China, and has good market prospect and development space as manufacturers of wind power supporting facilities such as flanges, bearings, brake discs, yawing gear rings and the like. However, some flanges and bearings have high requirements on the aspects of smaller height of products, smaller performance and the like, but due to the weight and the capacity of ring rolling equipment, forging and machining are relatively difficult, so that ring pieces with small height are increased by a margin (sometimes increased by times) at present, and finally all the margin is machined by a machining method to meet the height of a final finished product, so that raw materials are wasted, the cost is increased, and the production efficiency is reduced.
The cutting ring is transformed by a blanking sawing machine in the initial development stage, the size of the cutting ring has dimensional requirements, the chuck is driven by a motor to rotate, the clamping mode is that a mechanical clamping jaw is used for clamping, the operation position of a saw blade is used for cutting from top to bottom, the rotation speed needs to be manually adjusted in the process of cutting the product, the product is stable when the rotation starts but has a downward sliding phenomenon along with the time, the verticality difference of the saw blade is large under the influence of reverse acting force in the cutting process, and when the product is about to be cut, due to the phenomenon of saw clamping caused by the internal stress of the product, one saw blade is reported to be wasted or the cutting is carried out again when the phenomenon occurs, so that the cost is improved, the production efficiency is reduced, then, after the chuck works for a long time in the process of cutting products, a wear phenomenon is found at a position behind the chuck, and therefore a cross cutting sawing machine is provided.
Disclosure of Invention
The present invention is directed to a cross cutting sawing machine to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a cross cutting sawing machine comprises a frame, a needle roller guide rail, an anti-skidding mechanism, a motor, a driven gear, a saw blade, a frame platform, a seat platform, a motor, a speed reducer, a coupler, an oiling device, a brake disc, a chuck rotary table, vice jaws, a clamp type brake, a ring piece, clamps and supporting wheels, wherein the bottom of the frame is in sliding connection with a bottom plate through the needle roller guide rail, the anti-skidding mechanism is installed on the bottom surface of the frame, the driven gear is rotatably installed on the side surface of the top of the frame, the saw blade is installed on the outer side of the driven gear, the motor at the top of the frame is in transmission connection with the driven gear, the frame platform is installed on one side of the frame, the seat platform is in sliding installation at the top of the frame platform, the motor is installed at the top of the seat platform, the speed reducer, and brake disc side lock joint installs and presss from both sides formula brake ware, the chuck revolving stage is installed to brake disc pivot outer end, seat platform surface mounting has the riding wheel, and chuck revolving stage and riding wheel rolling contact, chuck revolving stage surface mounting has five vice jack catchs, and vice jack catch tip installs the clamp, the inboard centre gripping of vice jack catch has the ring.
Preferably, a bearing shell is installed at the end part of the oiling device, and a bearing of the brake disc is clamped in the bearing shell.
Preferably, the brake disc is fixedly connected with the chuck rotary table through a flange plate.
Preferably, the output end of the motor is connected with a gear transmission, and the motor is in transmission connection with the driven gear through the gear transmission.
Preferably, the side wall of the frame is symmetrically provided with guide blocks, and the driven gear is in sliding connection with the frame through the guide blocks.
Preferably, the hydraulic cylinders of the jaw vices are controlled in a double-way mode through an independent hydraulic system and a communicated hydraulic system.
Compared with the prior art, the invention has the beneficial effects that: the ring piece is stably clamped by vice jaws driven by a hydraulic cylinder, a chuck rotary table drives a clamping device to move back and forth through an oil pump and is adjusted corresponding to the position of a saw blade, a motor is started to drive the saw blade to rotate, a frame moves along a roller pin guide rail to cut the ring piece through the saw blade, the direction of the ring piece is the same as that of the saw blade, a clamp type brake and a brake disc are adjusted to stably clamp the ring piece, the cutting reaction force of the saw blade can be reduced, the saw blade is stably cut by matching with the installation of a guide block, the saw blade is prevented from shaking, the cutting precision is improved, the service life of the saw blade is prolonged, the clamping of a clamp is realized, the ring piece is stably limited, the clamping force of the cutting part when the saw blade is used for thoroughly cutting the ring piece is avoided, the clamping saw phenomenon is caused, meanwhile, the support, and the processing precision is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a saw blade mounting structure of the present invention;
FIG. 3 is a schematic view of the clamp layout of the present invention;
FIG. 4 is a schematic view of a hydraulic layout of vise jaws of the present invention.
In the figure: 1. a frame; 2. a needle roller guide rail; 3. an anti-slip mechanism; 4. a motor; 5. a gear transmission; 6. a driven gear; 7. a saw blade; 8. a frame platform; 9. a seat stand; 10. a motor; 11. a speed reducer; 12. a coupling; 13. an oiling device; 14. a brake disc; 15. a chuck turntable; 16. vice jaws; 17. a clip-type brake; 18. a ring member; 19. a guide block; 20. clamping; 21. a riding wheel.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a crosscut sawing machine comprises a frame 1, a needle roller guide rail 2, an anti-skidding mechanism 3, a motor 4, a driven gear 6, a saw blade 7, a frame platform 8, a seat platform 9, a motor 10, a speed reducer 11, a coupler 12, an oil injection device 13, a brake disc 14, a chuck rotary table 15, vice claws 16, a clamp type brake 17, a ring 18, clamps 20 and a riding wheel 21, wherein the bottom of the frame 1 is connected with a bottom plate in a sliding way through the needle roller guide rail 2, the anti-skidding mechanism 3 is installed on the bottom surface of the frame 1, the driven gear 6 is rotatably installed on the side surface of the top of the frame 1, the saw blade 7 is installed on the outer side of the driven gear 6, the motor 4 is installed on the top of the frame 1, the output shaft of the motor 4 is connected with the driven gear 6 in a transmission way, the frame platform 8 is installed on one side of the frame 1, the seat platform 9 is installed on the top, the end part of the oiling device 13 is provided with a brake disc 14, the side edge of the brake disc 14 is buckled with a clamp type brake 17, the outer end of a rotating shaft of the brake disc 14 is provided with a chuck rotating table 15, the surface of the seat table 9 is provided with a supporting wheel 21, the chuck rotating table 15 is in rolling contact with the supporting wheel 21, the surface of the chuck rotating table 15 is provided with five vice clamping jaws 16, the end parts of the vice clamping jaws 16 are provided with clamps 20, and the inner sides of the vice clamping jaws 16 are clamped with ring.
The ring piece 18 is stably clamped by vice jaws 16 driven by a hydraulic cylinder, a chuck rotary table 15 drives a clamping device to move back and forth through an oil pump, the position of the clamping device is correspondingly adjusted, a motor 4 is started to drive a saw blade 7 to rotate, a motor 10 is started to drive the chuck rotary table 15 to drive the ring piece 18 to rotate, a frame 1 moves along a needle roller guide rail 2 to cut the ring piece 18 through the saw blade 7, the direction of the ring piece 18 is the same as that of the saw blade 7, a clamping brake 17 and a brake disc 14 are adjusted to stably clamp the ring piece 18, the cutting reaction force of the saw blade 7 can be reduced, the saw blade 7 is stably cut by matching with the installation of a guide block 19, the cutting precision is improved, the service life of the saw blade 7 is prolonged, the clamping of a clamp 20 is stable, the position of the ring piece 18 is stably limited, the clamping force of the cutting part when the saw, the support for the chuck rotary table 15 is added, the chuck rotary table 15 is prevented from being bent under the pressure of the ring piece 18, and the processing precision is improved.
The end of the oiling device 13 is provided with a bearing shell, and a bearing of the brake disc 14 is clamped in the bearing shell, so that the brake disc 14 is stably installed in a rotating mode.
The brake disc 14 is fixedly connected with the chuck rotary table 15 through a flange plate, so that the chuck rotary table 15 can be movably mounted and maintained conveniently.
The output end of the motor 4 is connected with a gear transmission 5, the motor 4 is in transmission connection with a driven gear 6 through the gear transmission 5, and the transmission of the motor 4 is adjustable due to the installation of the gear transmission 5.
The guide blocks 19 are symmetrically arranged on the side wall of the frame 1, the driven gear 6 is in sliding connection with the frame 1 through the guide blocks 19, and the saw blades 7 are enabled to be vertical to prevent bending through installation of the guide blocks 19.
The hydraulic cylinders of the jaw vices and the jaws 16 are controlled in a double-way mode through an independent hydraulic system and a communicated hydraulic system, the hydraulic cylinders of the jaw vices and the jaws 16 are communicated and synchronously driven when the circular ring piece 18 is clamped, clamping is stable, and the hydraulic cylinders of the jaw vices and the jaws 16 are independently driven when the eccentric ring piece 18 is machined, so that stable clamping is realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (6)
1. The utility model provides a crosscut sawing machine, includes frame (1), kingpin guide rail (2), anti-skidding mechanism (3), motor (4), driven gear (6), saw blade (7), framed stage (8), seat platform (9), motor (10), reduction gear (11), shaft coupling (12), oiling device (13), brake disc (14), chuck revolving stage (15), jack catch (16), the formula brake of pressing from both sides (17), ring spare (18), clamp (20) and riding wheel (21), its characterized in that: the frame is characterized in that the bottom of the frame (1) is connected with a bottom plate in a sliding mode through a needle roller guide rail (2), an anti-skidding mechanism (3) is installed on the bottom surface of the frame (1), a driven gear (6) is installed on the side surface of the top of the frame (1) in a rotating mode, a saw blade (7) is installed on the outer side of the driven gear (6), a motor (4) on the top of the frame (1) is in transmission connection with the driven gear (6), a frame platform (8) is installed on one side of the frame (1), a seat platform (9) is installed on the top of the frame platform (8) in a sliding mode, a motor (10) is installed on the top of the seat platform (9), a speed reducer (11) is installed on the output end of the motor (10), the output end of the speed reducer (11) is connected with an oiling device (13) through a coupler (12), a brake disc (14), chuck revolving stage (15) are installed to brake disc (14) pivot outer end, seat (9) surface mounting has riding wheel (21), and chuck revolving stage (15) and riding wheel (21) rolling contact, chuck revolving stage (15) surface mounting has five vice jack catchs (16), and vice jack catch (16) tip installs clamp (20), vice jack catch (16) inboard centre gripping has ring piece (18), clamp (20) are pressed from both sides tightly the one end of keeping away from the chuck revolving stage to ring piece (18) along the radial of ring piece (18).
2. A cross cutting saw machine according to claim 1 wherein: and a bearing shell is arranged at the end part of the oiling device (13), and a bearing of the brake disc (14) is clamped in the bearing shell.
3. A cross cutting saw machine according to claim 1 wherein: and the brake disc (14) is fixedly connected with the chuck rotary table (15) through a flange plate.
4. A cross cutting saw machine according to claim 1 wherein: the output end of the motor (4) is connected with a gear transmission (5), and the motor (4) is in transmission connection with the driven gear (6) through the gear transmission (5).
5. A cross cutting saw machine according to claim 1 wherein: guide blocks (19) are symmetrically installed on the side wall of the frame (1), and the driven gear (6) is connected with the frame (1) in a sliding mode through the guide blocks (19).
6. A cross cutting saw machine according to claim 1 wherein: and the hydraulic cylinders of the jaw vices (16) are controlled by an independent hydraulic system and a communicated hydraulic system in a double-way mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748393.7A CN110449656B (en) | 2019-08-14 | 2019-08-14 | Cross cutting sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748393.7A CN110449656B (en) | 2019-08-14 | 2019-08-14 | Cross cutting sawing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110449656A CN110449656A (en) | 2019-11-15 |
| CN110449656B true CN110449656B (en) | 2020-09-22 |
Family
ID=68486496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910748393.7A Active CN110449656B (en) | 2019-08-14 | 2019-08-14 | Cross cutting sawing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110449656B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702236B (en) * | 2020-06-24 | 2021-08-03 | 吉林省君林实业集团有限公司 | Slitting device is used in building material processing |
| CN114770379B (en) * | 2022-05-24 | 2023-05-30 | 哈尔滨工业大学 | Automatic clamping positioner for hub polished by robot |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5980364A (en) * | 1998-07-21 | 1999-11-09 | Bentley; Richard | Method and apparatus for cutting rings from forging stock |
| CN101450388B (en) * | 2007-12-03 | 2011-11-30 | 勤威(天津)工业有限公司 | Chuck special for turning |
| CN101537515B (en) * | 2009-04-10 | 2011-05-04 | 马鞍山市鹏远锻压设备科技有限公司 | Numerical control sawing processing machine for metal ring-shaped parts |
| KR101021490B1 (en) * | 2010-08-26 | 2011-03-16 | 주식회사 태원금속 | Manufacturing apparatus of semiprocessed ring for a big flange |
| CN204277086U (en) * | 2014-11-07 | 2015-04-22 | 福清市辉华不锈钢制品有限公司 | A kind of metal tube and ring cut cuts saw |
| CN104625224A (en) * | 2015-01-27 | 2015-05-20 | 安徽同盛环件股份有限公司 | Large metal ring part cutting device |
| CN207326071U (en) * | 2017-08-04 | 2018-05-08 | 张剑 | One kind saw aluminium machine chassis |
-
2019
- 2019-08-14 CN CN201910748393.7A patent/CN110449656B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110449656A (en) | 2019-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110449656B (en) | Cross cutting sawing machine | |
| CN112975145B (en) | Laser marking device for rubber tire production | |
| CN211915117U (en) | Cylindrical battery steel shell production is with rolling groove anchor clamps convenient to adjust | |
| CN209954337U (en) | Special automobile spare and accessory part machining center | |
| CN103552825B (en) | A kind of finished wheel appearance inspection device and method | |
| CN208729264U (en) | A kind of milling machine mold being easily installed | |
| CN214920750U (en) | Machining device for die castings | |
| CN212070199U (en) | Bending machine is with centre gripping structure of being convenient for change mould | |
| CN215942517U (en) | Large-specification steel ingot sawing device | |
| CN213561086U (en) | Turnover chuck device | |
| CN114523386A (en) | Grinding device for machining convenient to angle regulation | |
| CN211522785U (en) | Automatic cutting equipment is used in asphalt concrete road construction | |
| CN210209550U (en) | Tool for lower cross arm of automobile chassis | |
| CN204800057U (en) | Double blade expansion pipe groover | |
| CN109623418B (en) | Special automobile spare and accessory part machining center | |
| CN111843885B (en) | Automobile brake disc processing location frock | |
| CN213944443U (en) | Pipe bending all-in-one machine | |
| CN218136872U (en) | Drum brake facing chamfer grinding machine | |
| CN221658992U (en) | Mounting fixture is used in brake disc processing | |
| CN214951265U (en) | Flange plate workpiece detection and positioning tool | |
| CN211637872U (en) | Bending device for electric automobile accessory production line | |
| CN221435120U (en) | Plate shearing machine | |
| CN218426677U (en) | Inclined shaft skip wheel hub out-of-round prosthetic device | |
| CN221966930U (en) | H-shaped steel cutting device | |
| CN213316992U (en) | Pipe bending machine for machining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 116000 No. 2, Haisheng street, Dalian Economic and Technological Development Zone, Liaoning Province Patentee after: Xinghong Zhizao Equipment Co.,Ltd. Address before: 116000 No. 2, Haisheng street, Dalian Economic and Technological Development Zone, Liaoning Province Patentee before: DALIAN HEAVY FORGING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A cross cutting sawing machine Effective date of registration: 20221012 Granted publication date: 20200922 Pledgee: Dalian technology Financing Guarantee Co.,Ltd. Pledgor: Xinghong Zhizao Equipment Co.,Ltd. Registration number: Y2022980018167 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200922 Pledgee: Dalian technology Financing Guarantee Co.,Ltd. Pledgor: Xinghong Zhizao Equipment Co.,Ltd. Registration number: Y2022980018167 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A horizontal cutting sawing machine Granted publication date: 20200922 Pledgee: Guangfa Bank Co.,Ltd. Dalian Branch Pledgor: Xinghong Zhizao Equipment Co.,Ltd. Registration number: Y2024980028278 |