CN110587443A - Polisher that can be used to irregular wood of polishing - Google Patents
Polisher that can be used to irregular wood of polishing Download PDFInfo
- Publication number
- CN110587443A CN110587443A CN201911026838.7A CN201911026838A CN110587443A CN 110587443 A CN110587443 A CN 110587443A CN 201911026838 A CN201911026838 A CN 201911026838A CN 110587443 A CN110587443 A CN 110587443A
- Authority
- CN
- China
- Prior art keywords
- mounting
- frame
- motor
- polishing
- dust
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B19/24—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground of wood, e.g. furniture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a polisher for polishing irregular wood, which comprises a fixed frame, wherein a mounting frame is fixedly arranged at the upper end of the fixed frame, a mounting groove is formed in the side wall of the inner side of the mounting frame, a first mounting plate and a second mounting plate are movably mounted on the inner side of the mounting groove, an electric push rod is fixedly arranged on the outer side of the mounting frame close to one side of the first mounting plate, the telescopic shaft end of the electric push rod is fixedly connected with the first mounting plate, a polishing piece is movably mounted between the first mounting plate and the second mounting plate through a bearing, and a mounting block is movably mounted on one side of the mounting frame far away from the electric push rod close to one side. According to the wood polishing machine, the gear is driven to rotate through the second motor, so that the gear drives the toothed chain to rotate to drive the fixing piece to move, wood is driven to move, and the wood is conveyed to the position between the polishing pieces on the inner side of the mounting frame, so that time and labor are avoided in manual feeding, and the wood polishing machine is mainly used for polishing irregular wood.
Description
Technical Field
The invention belongs to the technical field of wood processing, and particularly relates to a sander capable of being used for sanding irregular wood.
Background
In wood processing, wood is often ground to allow for uniform coating or painting. For satisfying a large amount of timber furniture, the needs of articles for daily use etc, often adopt the mode of machinery to carry out ligneous batch polishing treatment, adopt grinding device to polish fast timber promptly, need become log with former timber processing, thereby current device is not convenient for polish to anomalous timber, the in-process manual feeding of polishing wastes time and energy simultaneously, and the waste material that the in-process of polishing produced easily piles up and leads to polishing the card pause, current device easily produces the dust and produces harm and cause the pollution to the environment to operating personnel's health.
Disclosure of Invention
The invention provides a device for polishing irregular wood, which aims to solve the problems that the conventional device is inconvenient to polish irregular wood due to the fact that original wood needs to be processed into round wood, time and labor are wasted in manual feeding in the polishing process, a polished part is blocked due to the fact that waste materials generated in the polishing process are easy to accumulate, and dust is easily generated by the conventional device, so that harm is caused to the health of operators and pollution is caused to the environment.
The invention discloses a polisher for polishing irregular wood, which comprises a fixed frame, wherein a mounting frame is fixedly arranged at the upper end of the fixed frame, a mounting groove is formed in the side wall of the inner side of the mounting frame, a first mounting plate and a second mounting plate are movably mounted on the inner side of the mounting groove, an electric push rod is fixedly arranged on one side, close to the first mounting plate, of the outer side of the mounting frame, the telescopic shaft end of the electric push rod is fixedly connected with the first mounting plate, a polishing piece is movably mounted between the first mounting plate and the second mounting plate through a bearing, a mounting block is fixedly mounted on one side, far away from the electric push rod, of the mounting frame, a first motor is fixedly arranged at the upper end of the mounting block through a mounting seat, the output shaft end of the first motor is in transmission connection with a rotating shaft, and a material receiving mechanism is arranged on one side of the fixing frame, which is far away from the feeding mechanism.
Preferably, feeding mechanism includes support frame, toothed chain, mounting, the support frame is installed in one side of mount, there is the gear inside both sides of support frame through bearing movable mounting, toothed chain movable mounting is in the outside of gear, the outside at the toothed chain is installed to the mounting, one side of support frame is close to fixedly on one side mount pad of gear and is provided with the second motor, the output shaft end of second motor passes through the shaft coupling and is connected with the pivot transmission at gear place.
Preferably, receiving agencies includes link, conveying rod, third motor, the link is installed in one side that feeding agencies was kept away from to the mount, conveying rod passes through bearing movable mounting in the upper end of link, one side at the link is installed to the third motor, the output axle head of third motor passes through belt pulley and conveying rod swing joint.
Preferably, the dust collection device further comprises a dust collection mechanism, the dust collection mechanism comprises a dust collector, a dust collection box and a dust cover, the dust collector is mounted at the upper end of the mounting frame, the dust collection box is mounted on two sides of the mounting frame, the feeding end of the dust collection box is connected with the discharging end of the dust collector through a pipeline, and the dust cover is mounted on the outer side of the mounting frame.
Preferably, the feed end of the dust collector is fixedly connected with the inner side of the mounting frame through a pipeline, and an isolation net is fixedly arranged between the feed end of the dust collector and the mounting frame.
Preferably, the inboard lower extreme of mount is provided with the waste bin, the inboard movable mounting of waste bin has the conveyer belt, fixed being provided with the fourth motor on one side mount pad of waste bin, the output shaft end of fourth motor passes through the shaft coupling and is connected with the pivot transmission in conveyer belt place.
Preferably, striker plates are fixedly arranged on two sides of the conveyor belt.
Preferably, a material receiving box is fixedly arranged on one side, away from the fixing frame, of the connecting frame, and a partition plate is fixedly arranged on the inner side of the material receiving box.
Preferably, the two sides of the upper end of the support frame are fixedly provided with baffle plates.
Preferably, the polishing part is provided with three groups at least, three groups the polishing part is triangular distribution, three groups it is articulated through the connecting rod between the pivot of polishing part place, three groups through belt pulley swing joint, three groups between the pivot of polishing part place the fixed spring that is provided with between the connecting rod.
Compared with the prior art, the invention has the beneficial effects that: the wood to be polished is placed at the upper end of the feeding mechanism, the wood is installed between the fixing pieces, after the second motor is switched on, the gear is driven to rotate by the second motor, so that the gear drives the toothed chain to rotate and drive the fixing pieces to move, the wood is driven to move, the wood is conveyed to the positions between the inner side polishing pieces of the mounting frame, time and labor are avoided in manual feeding, the circuit of the electric push rod is switched on, the mounting plate is driven to move by the electric push rod, the polishing pieces are driven to move according to polishing requirements, irregular wood is polished, meanwhile, the circuit of the dust suction machine of the dust suction mechanism is switched on in the polishing process, and dust generated by polishing the inner side of the mounting frame is sucked away to the inner side of the dust collection box by the dust suction machine, so that the environment pollution caused by the dust generated by polishing is avoided, in the time of polishing, the bark waste material that the production of polishing falls into the inboard of dump bin, carry away the processing through carrying the bark waste material of dump bin inboard with the fourth motor, avoid the waste material to pile up and cause the influence to polishing, thereby lead to polishing a card pause, it is articulated to pass through the connecting rod with the action wheel between the three piece of polishing simultaneously, constitute irregular protruding quadrilateral structure, no matter how its shape changes, its girth is unchangeable, therefore the belt can not relax or too tensioning, on this basis, three piece of polishing passes through the spring, restriction such as track, just can realize the free activity to a certain extent, thereby be convenient for under the pressure effect, three piece of polishing can the self-adaptation, can also keep the state of polishing simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an installation view of the dust suction mechanism of the present invention;
FIG. 3 is a view of the bin and isolator mounting arrangement of the present invention;
in the figure: 1. a fixed mount; 2. a mounting frame; 3. mounting grooves; 4. a first mounting plate; 41. a second mounting plate; 5. an electric push rod; 6. polishing the workpiece; 7. mounting blocks; 8. a first motor; 9. a feeding mechanism; 91. a support frame; 92. a toothed chain; 93. a fixing member; 94. a gear; 95. a second motor; 10. a material receiving mechanism; 101. a connecting frame; 102. a conveying rod; 103. a third motor; 11. a dust suction mechanism; 111. a dust collector; 112. a dust collection box; 113. a dust cover; 114. an isolation net; 12. a waste bin; 13. a conveyor belt; 14. a fourth motor; 15. a striker plate; 16. a material receiving box; 17. a separator plate; 18. a baffle plate; 19. a connecting rod; 20. a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-3, a sander for sanding irregular wood comprises a fixed frame 1, a mounting frame 2 is fixedly arranged at the upper end of the fixed frame 1, a mounting groove 3 is formed in the inner side wall of the mounting frame 2, a first mounting plate 4 and a second mounting plate 41 are movably mounted on the inner side of the mounting groove 3, an electric push rod 5 is fixedly arranged on one side of the outer side of the mounting frame 2 close to the first mounting plate 4, the telescopic shaft end of the electric push rod 5 is fixedly connected with the first mounting plate 4, a sanding piece 6 is movably mounted between the first mounting plate 4 and the second mounting plate 41 through a bearing, a mounting block 7 is fixedly mounted on one side of the mounting frame 2 far away from the electric push rod 5, a first motor 8 is fixedly arranged at the upper end of the mounting block 7 through a mounting seat, the output shaft end of the first motor 8 is in transmission connection with a rotating shaft, a material receiving mechanism 10 is arranged on one side of the fixing frame 1 far away from the feeding mechanism 9.
Referring to fig. 1-3, the feeding mechanism 9 of the present invention includes a supporting frame 91, a toothed chain 92, and a fixing member 93, wherein the supporting frame 91 is installed at one side of the fixing frame 1, gears 94 are movably installed at two sides of the inside of the supporting frame 91 through bearings, the toothed chain 92 is movably installed at the outer side of the gears 94, the fixing member 93 is installed at the outer side of the toothed chain 92, a second motor 95 is fixedly installed on a mounting seat at one side of the supporting frame 91 close to the gears 94, and an output shaft end of the second motor 95 is in transmission connection with a rotating shaft where the gears 94 are.
The receiving mechanism 10 comprises a connecting frame 101, a conveying rod 102 and a third motor 103, wherein the connecting frame 101 is installed on one side of the fixed frame 1 far away from the feeding mechanism 9, the conveying rod 102 is movably installed at the upper end of the connecting frame 101 through a bearing, the third motor 103 is installed on one side of the connecting frame 101, and the output shaft end of the third motor 103 is movably connected with the conveying rod 102 through a belt pulley.
Still include dust absorption mechanism 11, dust absorption mechanism 11 includes dust catcher 111, dust collection box 112, dust cover 113, and dust catcher 111 installs in the upper end of mounting bracket 2, and dust collection box 112 installs the both sides at mount 1, and the feed end of dust collection box 112 passes through the pipe connection with dust catcher 111's discharge end, and dust cover 113 installs in the outside of mounting bracket 2.
The feed end of the dust collector 111 is fixedly connected with the inner side of the mounting frame 2 through a pipeline, and an isolation net 114 is fixedly arranged between the feed end of the dust collector 111 and the mounting frame 2.
The lower extreme of the inboard of mount 1 is provided with waste material case 12, and the inboard movable mounting of waste material case 12 has conveyer belt 13, and fixed the being provided with fourth motor 14 on the mount pad of one side of waste material case 12, the output shaft end of fourth motor 14 passes through the shaft coupling and is connected with the pivot transmission that conveyer belt 13 is located.
Two sides of the conveyor belt 13 are fixedly provided with striker plates 15.
A material receiving box 16 is fixedly arranged on one side of the connecting frame 101 far away from the fixed frame 1, and a partition plate 17 is fixedly arranged on the inner side of the material receiving box 16.
The two sides of the upper end of the supporting frame 91 are fixedly provided with a baffle plate 18.
Polishing 6 is provided with three groups at least, and three groups of polishing 6 are triangular distribution, and it is articulated through connecting rod 19 between the pivot of three groups of polishing 6 places, and through belt pulley swing joint between the pivot of three groups of polishing 6 places, the fixed spring 20 that is provided with between three groups of connecting rod 19.
Referring to fig. 1-3, a sander for sanding irregular wood works according to the following principle: when in use, wood to be polished is placed at the upper end of the feeding mechanism 9 and is installed between the fixing pieces 93, after the second motor 95 is switched on, the gear 94 is driven to rotate by the second motor 95, so that the gear 94 drives the toothed chain 92 to rotate and drive the fixing pieces 93 to move, thereby driving the wood to move, further conveying the wood to the positions between the inner polishing pieces 6 of the mounting frame 2, after the circuit of the first motor 8 is switched on, the wood is polished by driving the polishing pieces 6 through the first way, meanwhile, the circuit of the electric push rod 5 is switched on, the mounting plate 4 is driven to move by the electric push rod 5, thereby driving the polishing pieces 6 to move according to the polishing requirements, thereby polishing irregular wood, meanwhile, in the polishing process, the circuit of the dust suction machine 111 of the dust suction mechanism 11 is switched on, thereby, dust generated by polishing the inner side of the mounting frame 2 is sucked away by the dust suction machine 111 and enters the inner side of the dust collection box 112, thereby avoid polishing the dust that produces and cause the pollution to the environment, when polishing, the bark waste material that produces of polishing falls into the inboard of dump bin 12, carry away the inboard bark waste material of dump bin 12 through with fourth motor 14 and handle, simultaneously after subsequent trees get into the inboard of mounting bracket 2, the inboard of mounting bracket 2 is extruded to the wood after will polishing, the wood of extruding falls into receiving agencies 10, after the circuit switch-on with third motor 103, drive defeated material pole through third motor 103 and rotate, thereby carry the wood to receiving expects the inboard, and separate through the baffle, thereby avoid the wood dislocation to pile up and be not convenient for collect.
Example four
Referring to fig. 1-3, a sander for sanding irregular wood, the present invention has the following advantages: the wood to be polished is placed at the upper end of the feeding mechanism 9, the wood is arranged between the fixing pieces 93, after the second motor 95 is switched on, the gear 94 is driven to rotate by the second motor 95, so that the gear 94 drives the toothed chain 92 to rotate and drive the fixing pieces 93 to move, the wood is driven to move, the wood is further conveyed to the positions between the inner side polishing pieces 6 of the mounting frame 2, time and labor are saved in manual feeding, the circuit of the electric push rod 5 is switched on, the mounting plate 4 is driven to move by the electric push rod 5, the polishing pieces 6 are driven to move according to polishing requirements, irregular wood is polished, meanwhile, the circuit of the dust suction machine 111 of the dust suction mechanism 11 is switched on in the polishing process, and dust generated by polishing the inner side of the mounting frame 2 is sucked away into the inner side of the dust collection box 112 by the dust suction machine 111, thereby avoid the dust that the production of polishing causes the pollution to the environment, when polishing, the bark waste material that the production of polishing falls into the inboard of waste material case 12, carry away the inboard bark waste material of waste material case 12 through with fourth motor 14 and handle, avoid the waste material to pile up and cause the influence to polishing, thereby lead to polishing 6 card pause, it is articulated through connecting rod 19 simultaneously to lead to polishing between the three polishing 6 and with the action wheel, constitute irregular protruding quadrangle structure, no matter how its shape changes, its girth is unchangeable, therefore the belt can not relax or too tensioning, on this basis, three polishing 6 passes through spring 20, restriction such as track, just can realize the free activity to a certain extent, thereby be convenient for under the pressure effect, three polishing 6 can self-adaptation, can also keep the state of polishing simultaneously.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a polisher that can be used to polish irregular wood, includes mount (1), its characterized in that: the upper end of the fixing frame (1) is fixedly provided with a mounting frame (2), the inner side wall of the mounting frame (2) is provided with a mounting groove (3), the inner side of the mounting groove (3) is movably provided with a first mounting plate (4) and a second mounting plate (41), one side of the outer side of the mounting frame (2) close to the first mounting plate (4) is fixedly provided with an electric push rod (5), the telescopic shaft end of the electric push rod (5) is fixedly connected with the first mounting plate (4), a polishing piece (6) is movably mounted between the first mounting plate (4) and the second mounting plate (41) through a bearing, one side of the mounting frame (2) far away from the electric push rod (5) is fixedly provided with a mounting block (7), the upper end of the mounting block (7) is fixedly provided with a first motor (8) through a mounting seat, the output shaft end of the first motor (8) is in transmission connection with a, one side of the fixing frame (1) is provided with a feeding mechanism (9), and one side of the fixing frame (1) far away from the feeding mechanism (9) is provided with a receiving mechanism (10).
2. The sander usable for sanding irregular wood according to claim 1, wherein: feeding mechanism (9) are including support frame (91), toothed chain (92), mounting (93), one side at mount (1) is installed in support frame (91), there are gear (94) in the inside both sides of support frame (91) through bearing movable mounting, toothed chain (92) movable mounting is in the outside of gear (94), the outside at toothed chain (92) is installed in mounting (93), one side of support frame (91) is close to on one side mount pad of gear (94) fixed second motor (95) that is provided with, the output shaft end of second motor (95) passes through the shaft coupling and is connected with gear (94) place pivot transmission.
3. The sander usable for sanding irregular wood according to claim 1, wherein: receiving agencies (10) are including link (101), conveying pole (102), third motor (103), one side of feeding agencies (9) is kept away from in mount (1) is installed to link (101), conveying pole (102) pass through bearing movable mounting in the upper end of link (101), one side at link (101) is installed in third motor (103), the output shaft end of third motor (103) passes through belt pulley and conveying pole (102) swing joint.
4. The sander usable for sanding irregular wood according to claim 1, wherein: still include dust absorption mechanism (11), dust absorption mechanism (11) are including dust catcher (111), dust collection box (112), dust cover (113), the upper end at mounting bracket (2) is installed in dust catcher (111), the both sides at mount (1) are installed in dust collection box (112), the feed end of dust collection box (112) passes through the pipe connection with the discharge end of dust catcher (111), the outside at mounting bracket (2) is installed in dust cover (113).
5. The sander usable for sanding irregular wood according to claim 4, wherein: the feed end of the dust collector (111) is fixedly connected with the inner side of the mounting frame (2) through a pipeline, and an isolation net (114) is fixedly arranged between the feed end of the dust collector (111) and the mounting frame (2).
6. The sander usable for sanding irregular wood according to claim 1, wherein: the utility model discloses a waste material conveying device, including mount (1), inboard lower extreme of mount (1) is provided with waste material case (12), the inboard movable mounting of waste material case (12) has conveyer belt (13), fixed fourth motor (14) that are provided with on one side mount pad of waste material case (12), the output axle head of fourth motor (14) passes through the shaft coupling and is connected with conveyer belt (13) place pivot transmission.
7. The sander usable for sanding irregular wood according to claim 6, wherein: and material blocking plates (15) are fixedly arranged on two sides of the conveyor belt (13).
8. The sander usable for sanding irregular wood according to claim 3, wherein: one side of the connecting frame (101) far away from the fixing frame (1) is fixedly provided with a material receiving box (16), and the inner side of the material receiving box (16) is fixedly provided with a partition plate (17).
9. The sander for sanding irregular wood according to claim 2, wherein: and baffles (18) are fixedly arranged on two sides of the upper end of the support frame (91).
10. The sander for sanding irregular wood according to claim 1, wherein: polishing piece (6) are provided with three groups at least, and three groups polishing piece (6) are triangular distribution, and three groups polishing piece (6) are articulated through connecting rod (19) between the pivot, and three groups polishing piece (6) are through belt pulley swing joint, three groups fixedly between connecting rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026838.7A CN110587443A (en) | 2019-10-26 | 2019-10-26 | Polisher that can be used to irregular wood of polishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911026838.7A CN110587443A (en) | 2019-10-26 | 2019-10-26 | Polisher that can be used to irregular wood of polishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110587443A true CN110587443A (en) | 2019-12-20 |
Family
ID=68851564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911026838.7A Withdrawn CN110587443A (en) | 2019-10-26 | 2019-10-26 | Polisher that can be used to irregular wood of polishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110587443A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571382A (en) * | 2020-05-08 | 2020-08-25 | 叶逢春 | Equipment is strickleed off to non-planishing face log |
| CN113386017A (en) * | 2021-06-02 | 2021-09-14 | 陕汽淮南专用汽车有限公司 | Special rear axle machining device for automobile and working method thereof |
| CN113798739A (en) * | 2021-08-17 | 2021-12-17 | 沈国扬 | High-strength plate pre-heating furnace before welding |
-
2019
- 2019-10-26 CN CN201911026838.7A patent/CN110587443A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111571382A (en) * | 2020-05-08 | 2020-08-25 | 叶逢春 | Equipment is strickleed off to non-planishing face log |
| CN113386017A (en) * | 2021-06-02 | 2021-09-14 | 陕汽淮南专用汽车有限公司 | Special rear axle machining device for automobile and working method thereof |
| CN113798739A (en) * | 2021-08-17 | 2021-12-17 | 沈国扬 | High-strength plate pre-heating furnace before welding |
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| 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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20191220 |
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| WW01 | Invention patent application withdrawn after publication |