CN111451829B - Full-automatic double-end sharpening machine - Google Patents
Full-automatic double-end sharpening machine Download PDFInfo
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- CN111451829B CN111451829B CN202010389879.9A CN202010389879A CN111451829B CN 111451829 B CN111451829 B CN 111451829B CN 202010389879 A CN202010389879 A CN 202010389879A CN 111451829 B CN111451829 B CN 111451829B
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- sharpening
- rotary drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/16—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for bevelling, chamfering, or deburring the ends of bars or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P17/00—Metal-working operations, not covered by a single other subclass or another group in this subclass
- B23P17/02—Single metal-working processes; Machines or apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2265/00—Details of general geometric configurations
- B23B2265/08—Conical
Abstract
The invention relates to the field of industrial sharpening equipment, in particular to a full-automatic double-head sharpening machine, which comprises a device main body, wherein a sharpening part is fixedly arranged at the upper end of the middle part of the device main body, a sharpening device is fixedly arranged at the inner side of the sharpening part, a sharpening rotary drum is movably arranged at the inner side of the sharpening device, a conveying belt is movably arranged at the upper end of the inner side of the device main body, a material discharging plate is fixedly arranged at the outer side of the conveying belt, a pushing block is fixedly arranged at one side of the inner part of the sharpening part, which is opposite to the sharpening device, two sides of the pushing block are arc-shaped, so that when the sharpening rotary drum moves to the lower end under the driving of a limiting sleeve, the pushing block can contact with the arc surface of the pushing block, the metal rod extends outwards to overcome the acting force of a spring to be sleeved in the inner part of the sharpening rotary drum, thereby avoiding the sharpening rotary drum from being blocked due to excessive feeding and ensuring the sharpening efficiency of the metal rod.
Description
Technical Field
The invention relates to the field of industrial sharpening equipment, in particular to a full-automatic double-head sharpening machine.
Background
In industrial production, a metal rod is generally used as a connecting or supporting structure of equipment so as to ensure the stability of the structure of the device, but the existing device generally needs to sharpen the two ends of the metal rod into a pointed cone shape so as to improve the entering efficiency during assembly, and a sharpening machine is a device specially used for sharpening the metal rod.
But current metal pole when sharpening, can only carry out intermittent type and sharpen, need sharpen the device with the metal pole contact begin to sharpen again after fixing the metal pole for greatly reduced metal pole's efficiency of sharpening, and current device of sharpening lacks the automatic structure of outwards discharging the collection of concentrating of the piece after will sharpening, make the piece after the sharpening pile up inside the device easily, need consume extra manpower resources and clear up when influencing follow-up quality of sharpening.
Disclosure of Invention
The utility model provides a full-automatic double-end sharpening machine, the device can be automatic continuous sharpen the metal pole, when improving the metal pole efficiency of sharpening, can collect the piece that produces when sharpening and concentrate outward discharge after, reduces manpower resources's consumption.
The utility model provides a full-automatic double-end sharpening machine, includes the device main part, device main part middle part upper end fixed mounting has the point portion of cutting, the inboard fixed mounting of point portion of cutting has the device of cutting, the inboard movable mounting of device of cutting has the rotary drum of cutting, device main part inboard upper end movable mounting has the conveyer belt, conveyer belt outside fixed mounting has the blowing board.
Preferably, the storage bin is fixedly mounted at the upper end of the right side of the device main body, and the upper end of the discharging plate is provided with an arc-shaped groove.
Preferably, a limiting sleeve is movably mounted inside the sharpening device, the limiting sleeve is integrally arranged on the inner side of the sharpening device in an oval shape, and the sharpening rotary drum is movably sleeved inside the limiting sleeve.
Preferably, a driving belt is fixedly installed on one side of the sharpening device facing the inside of the sharpening part, and the driving belt is arranged up and down in total.
Preferably, a pushing block is fixedly mounted on one side, opposite to the sharpening device, of the inner portion of the sharpening portion, two sides of the pushing block are arranged in an arc shape, and the front side of the pushing block is arranged in an inclined mode.
Preferably, the rolling ball is fixedly arranged on the inner side of the limiting sleeve relative to the outer side of the sharpening rotary drum.
Preferably, an air guide plate is fixedly mounted on the outer side of one end, facing the conveying belt, of the sharpening rotary drum, and an inclined air guide groove is formed in the sharpening rotary drum.
Preferably, the middle end of the pushing block is provided with an arc-shaped groove and a slag outlet, and the slag outlet is communicated with the slag discharge hopper.
Preferably, a material pressing belt is fixedly installed at the upper end of the device main body, and a material discharging plate which is the same as that on the conveying belt is arranged on the outer side of the material pressing belt.
Compared with the prior art, the invention has the following beneficial effects:
1. circular-arc recess has been seted up through blowing board upper end, can directly get into in the recess on the blowing board when making the metal pole in the storage silo move on the ann conveyer belt, thereby can avoid the metal pole to produce the displacement when keeping the distance the same between the metal pole, stability when guaranteeing to sharpen, later there is the stop collar through the inside movable mounting of device of sharpening, and the stop collar is inboard wholly for oval-shaped setting in the device of sharpening, then can be through being articulated setting between the stop collar, make the stop collar can utilize gear drive, it does the motion of oval orbit to drive its inside rotary drum of sharpening, so that can move with the metal pole on the conveyer belt together, reach the effect of moving and then the continuous sharpening of limit sharpening limit.
2. A transmission belt is fixedly arranged on one side of the sharpening device facing the inner part of the sharpening part, and the transmission belt is divided into two transmission belts which are arranged up and down, so that when the gear teeth at the rear end of the sharpening rotary drum are contacted and occluded with the transmission belt, the sharpening rotary drum can be driven to rotate and sharpen the metal rod by utilizing the blade at the inner side, wherein a pushing block is fixedly arranged on one side of the inside of the sharpening part opposite to the sharpening device, and the two sides of the pushing block are arc-shaped, when the sharpening rotary drum is driven by the limiting sleeve to move to the lower end, the sharpening rotary drum can contact with the cambered surface of the pushing block and extend outwards to overcome the acting force of the spring to sleeve the metal rod into the sharpening rotary drum, and rear end and drive belt interlock, the rethread promotes the positive slope setting of piece for can along with the removal of sharpening rotary drum slowly order about the sharpening rotary drum and outwards stretch out and increase the degree of sharpening, thereby avoid sharpening rotary drum to feed too much and block, guarantee the efficiency of sharpening of metal pole.
3. The ball is arranged on the inner side of the limiting sleeve opposite to the outer side of the sharpening rotary drum, so that the friction efficiency with the limiting sleeve can be reduced when the sharpening rotary drum rotates, the sharpening efficiency on a metal rod is improved, the air guide plate is arranged at one end, facing a conveying belt, of the sharpening rotary drum, the air guide groove is obliquely arranged in the sharpening rotary drum, so that when the sharpening rotary drum rotates, air flow can be guided into the air guide groove by utilizing the obtuse bending arrangement of the upper end of the air guide plate, then the air flow can move towards the interior of the sharpening rotary drum through the inclination of the air guide groove, scraps sharpened by the sharpening rotary drum from the metal rod are driven towards the interior of the sharpening rotary drum and are outwards ejected from a through hole at the rear end, the arc-shaped groove and the slag outlet are formed in the middle end of the pushing block, so that the pushing efficiency is improved by the arc-shaped outwards protruding embedding at the rear end of the sharpening rotary drum, and the scraps ejected by the sharpening rotary drum can, improve clastic cleaning efficiency greatly, have the pressure area through device main part upper end fixed mounting, and the pressure area outside be provided with the conveyer belt on the same blowing board for when the conveyer belt removes the point of cutting, can extrude fixedly to the metal pole jointly with the pressure area of upper end, make the fixed effect of assurance metal pole in removing the point of cutting.
Drawings
FIG. 1 is a front view of the main body of the apparatus of the present invention;
FIG. 2 is a right perspective view inside the body of the device of the present invention;
FIG. 3 is an enlarged view of the apparatus of the present invention at A in FIG. 2;
FIG. 4 is a perspective view of the sharpening device of the present invention;
FIG. 5 is a rear elevational view of the sharpening unit in accordance with the present invention;
FIG. 6 is a top perspective view of the sharpening unit of the invention;
FIG. 7 is a perspective view of a pusher block of the present invention;
FIG. 8 is a perspective view in cross-section of a sharpening rotor according to the present invention.
In FIGS. 1-8: 1-device main body, 2-conveyer belt, 3-discharging plate, 4-storage bin, 5-air guide groove, 6-pressing belt, 7-sharpening part, 8-slag discharging hopper, 9-sharpening device, 10-sharpening rotary drum, 11-driving belt, 12-pushing block, 13-limiting sleeve, 14-air guide plate, 15-limiting block, 16-rolling ball and 17-slag outlet.
Detailed Description
Please refer to fig. 1 to 8, a schematic diagram of a planar structure and a schematic diagram of a three-dimensional structure of a fully automatic double-head sharpening machine.
The utility model provides a full-automatic double-end sharpening machine, includes device main part 1, and 1 middle part upper end fixed mounting of device main part has sharpening portion 7, and 7 inboard fixed mounting of sharpening portion have sharpening device 9, and 9 inboard movable mounting of sharpening device have a rotary drum 10 of sharpening, and 1 inboard upper end movable mounting of device main part has conveyer belt 2, and 2 outside fixed mounting of conveyer belt have blowing board 3.
In concrete implementation, device main part 1 right side upper end fixed mounting has storage silo 4, and circular-arc recess has been seted up to blowing board 3 upper end for can directly get into in the recess on blowing board 3 when the metal pole in the storage silo 4 removes on ann conveyer belt 2, thereby can avoid the metal pole to produce the displacement when keeping the distance the same between the metal pole, stability when guaranteeing to sharpen.
In the specific implementation, the limiting sleeve 13 is movably mounted inside the sharpening device 9, the limiting sleeve 13 is integrally arranged in an elliptical shape inside the sharpening device 9, the sharpening rotary drum 10 is movably sleeved inside the limiting sleeve 13 and can be hinged between the limiting sleeves 13, so that the limiting sleeve 13 can be driven by a gear to drive the sharpening rotary drum 10 inside the limiting sleeve to move along an elliptical track, and the limiting sleeve can move together with the metal rod on the conveying belt 2 to achieve the effect of sharpening while moving.
In the specific implementation, a transmission belt 11 is fixedly installed on one side of the sharpening device 9 facing the inside of the sharpening part 7, and the transmission belt 11 is totally two arranged up and down, so that when the gear teeth at the rear end of the sharpening rotary drum 10 are in contact occlusion with the transmission belt 11, the sharpening device can be driven to rotate to sharpen the metal rod by utilizing the blade on the inner side.
In concrete implementation, inside one side fixed mounting relative with sharpening device 9 of sharpening portion 7 has promotion piece 12, promote piece 12 both sides and set up for the arc, openly set up for the slope, make when sharpening rotary drum 10 moves to the lower extreme under the drive of stop collar 13, can outwards stretch out the effort of overcoming the spring with the cambered surface contact that promotes piece 12 and embolia inside the metal pole, and rear end and drive belt 11 interlock, rethread promotes piece 12 and openly sets up for the slope, make can outwards stretch out and increase the sharpening degree along with sharpening rotary drum 10 of ordering about that the removal of sharpening rotary drum 10 is slow, thereby avoid sharpening rotary drum 10 to give too much and block, guarantee the efficiency of sharpening of metal pole.
In specific implementation, the rolling ball 16 is fixedly arranged on the inner side of the limiting sleeve 13 relative to the outer side of the sharpening rotary drum 10, so that the friction efficiency with the limiting sleeve can be reduced when the sharpening rotary drum 10 rotates, and the sharpening efficiency of the metal rod is improved.
In the concrete implementation, the sharpening rotary drum 10 is fixedly provided with an air guide plate 14 towards the outer side of one end of the conveying belt 2, the air guide groove 5 which is obliquely arranged is formed in the sharpening rotary drum 10, so that the sharpening rotary drum 10 can be bent and arranged at an obtuse angle at the upper end of the air guide plate 14 when rotating, air flow is guided into the air guide groove 5, then the air flow can move towards the inside of the sharpening rotary drum 10 through the inclination of the air guide groove 5, scraps which are cut down from a metal rod by the sharpening rotary drum 10 are driven towards the inside 10 of the sharpening rotary drum, and then the scraps are sprayed out from a rear end through hole.
In concrete implementation, promote the piece 12 middle-end and seted up the arc recess and seted up slag notch 17, slag notch 17 is linked together with row's sediment fill 8 for when conveniently sharpening the gomphosis of rotary drum 10 rear end arc evagination and improving promotion efficiency, can concentrate the discharge from arranging sediment fill 8 after will sharpening rotary drum 10 spun piece from collecting, improve clastic cleaning efficiency greatly.
In the concrete implementation, device main part 1 upper end fixed mounting has the pressure area 6, and the pressure area 6 outside is provided with the blowing board 3 the same on with the conveyer belt for when conveyer belt 2 removed the sharpening portion 7, can extrude fixedly to the metal pole with the pressure area 6 of upper end jointly, make the fixed effect of assurance metal pole in removing the sharpening.
The working principle of the full-automatic double-head sharpening machine is as follows.
Firstly, the upper end of the discharging plate 3 is provided with an arc-shaped groove, so that the metal rods in the storage bin 4 can directly enter the groove on the discharging plate 3 when moving onto the conveying belt 2, thereby keeping the same distance between the metal rods and simultaneously avoiding the displacement of the metal rods and ensuring the stability during sharpening, then a limit sleeve 13 is movably arranged in the sharpening device 9, the limit sleeve 13 is integrally arranged in an elliptical shape at the inner side of the sharpening device, the limit sleeve 13 can be hinged with the limit sleeve 13, so that the limit sleeve 13 can be driven by a gear to drive the sharpening rotary drum 10 in the limit sleeve to move along with the metal rods on the conveying belt 2 so as to achieve the effect of continuous sharpening while moving, wherein the stability during moving of the sharpening rotary drum 10 can be further ensured by the limit block 15 at the middle end of the sharpening device 9, the transmission belt 11 is fixedly installed on one side of the sharpening device 9 facing the inside of the sharpening part 7, and the transmission belt 11 is totally two arranged up and down, so that after gear teeth at the rear end of the sharpening rotary drum 10 are contacted and meshed with the transmission belt 11, the sharpening rotary drum can be driven to rotate and sharpen a metal rod by utilizing an inner side blade, wherein a pushing block 12 is fixedly installed on one side of the inside of the sharpening part 7 opposite to the sharpening device 9, two sides of the pushing block 12 are arc-shaped, so that when the sharpening rotary drum 10 moves to the lower end under the driving of a limiting sleeve 13, the sharpening rotary drum 10 can be contacted with the arc surface of the pushing block 12 to outwards extend out from the action force of a overcome spring to the inside of the metal rod, and the rear end is meshed with the sharpening rotary drum 11, and then the pushing block 12 is obliquely arranged in front, so that the sharpening rotary drum 10 can be driven to outwards extend out to increase the sharpening degree along with the slow movement of the sharpening rotary drum 10, the sharpening efficiency of the metal rod is ensured, then the rolling ball is arranged on the inner side of the limiting sleeve 11 relative to the outer side of the sharpening rotary drum 10, so that the friction efficiency with the limiting sleeve 13 can be reduced when the sharpening rotary drum 10 rotates, the sharpening efficiency of the metal rod is improved, an air guide plate 14 is arranged at one end, facing the conveying belt 2, of the sharpening rotary drum 10, an air guide groove 5 which is obliquely arranged is formed in the sharpening rotary drum 10, so that when the sharpening rotary drum 10 rotates, the air flow can be guided into the air guide groove 5 by utilizing the obtuse-angle bending arrangement of the upper end of the air guide plate 14, then the air flow can move towards the interior of the sharpening rotary drum 10 by the inclination of the air guide groove 5, chips which are sharpened from the metal rod of the sharpening rotary drum 10 are driven towards the interior of the sharpening rotary drum 10 and then are outwards sprayed out from a through hole at the rear end, an arc-shaped groove is formed in the middle end of the pushing block 12, and a slag outlet 17 is formed in the, can will concentrate the discharge from row sediment fill 8 after sharpening rotary drum 10 spun piece is collected, improve clastic cleaning efficiency greatly, have binder strip 6 through 1 upper end fixed mounting of device main part, and the binder strip 6 outside be provided with conveyer belt 2 on the same blowing board 3 for when conveyer belt 2 moves to the point of cutting 7, can extrude fixedly to the metal pole with the binder strip 6 of upper end jointly, make and guarantee the fixed effect of metal pole in removing the point of cutting.
Claims (4)
1. The utility model provides a full-automatic double-end sharpening machine, includes device main part (1), its characterized in that: the device is characterized in that a sharpening part (7) is fixedly mounted at the upper end of the middle part of the device main body (1), a sharpening device (9) is fixedly mounted at the inner side of the sharpening part (7), a sharpening rotary drum (10) is movably mounted at the inner side of the sharpening device (9), a conveying belt (2) is movably mounted at the upper end of the inner side of the device main body (1), a discharging plate (3) is fixedly mounted at the outer side of the conveying belt (2), a storage bin (4) is fixedly mounted at the upper end of the right side of the device main body (1), an arc-shaped groove is formed in the upper end of the discharging plate (3), a limiting sleeve (13) is movably mounted inside the sharpening device (9), the limiting sleeve (13) is integrally arranged in an oval shape at the inner side of the sharpening device (9), the sharpening rotary drum (10) is movably sleeved inside the limiting sleeve (13), and a driving belt (11) is, and drive belt (11) are total two that set up from top to bottom, the inside one side fixed mounting relative with sharpening device (9) of point portion (7) promotes piece (12), promote piece (12) both sides and set up for the arc, openly set up for the slope, the outside fixed mounting of the relative sharpening rotary drum (10) of stop collar (13) inboard has spin (16).
2. The full-automatic double-ended sharpening machine according to claim 1, characterized in that: the air guide plate (14) is fixedly mounted on the outer side of one end, facing the conveying belt (2), of the sharpening rotary drum (10), and the air guide groove (5) which is obliquely arranged is formed in the sharpening rotary drum (10).
3. The full-automatic double-ended sharpening machine according to claim 1, characterized in that: the middle end of the pushing block (12) is provided with an arc-shaped groove and a slag outlet (17), and the slag outlet (17) is communicated with the slag discharge hopper (8).
4. The full-automatic double-ended sharpening machine according to claim 1, characterized in that: the device is characterized in that a material pressing belt (6) is fixedly mounted at the upper end of the device main body (1), and a material discharging plate (3) which is the same as the material conveying belt is arranged on the outer side of the material pressing belt (6).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389879.9A CN111451829B (en) | 2020-05-11 | 2020-05-11 | Full-automatic double-end sharpening machine |
| PCT/CN2020/099952 WO2021227218A1 (en) | 2020-05-11 | 2020-07-02 | Fully automatic double-head sharpening machine |
| NL2026078A NL2026078A (en) | 2020-05-11 | 2020-07-16 | Fully-automatic double-end sharpening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010389879.9A CN111451829B (en) | 2020-05-11 | 2020-05-11 | Full-automatic double-end sharpening machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111451829A CN111451829A (en) | 2020-07-28 |
| CN111451829B true CN111451829B (en) | 2021-03-30 |
Family
ID=71673876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010389879.9A Active CN111451829B (en) | 2020-05-11 | 2020-05-11 | Full-automatic double-end sharpening machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN111451829B (en) |
| NL (1) | NL2026078A (en) |
| WO (1) | WO2021227218A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116787267B (en) * | 2023-08-28 | 2023-12-01 | 泉州市洁强道路设施有限公司 | Glass fiber reinforced plastic well lid production equipment |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2550120B1 (en) * | 1983-08-04 | 1985-11-22 | Nacelle | DEVICE FOR CUTTING ELONGATED ELEMENTS WITH RECTANGULAR SECTION INTO SECTION OF A PREDETERMINED LENGTH |
| NL2003670C2 (en) * | 2009-10-19 | 2011-04-20 | Benedict Tech Handelsonderneming | KNIFE GRINDING MACHINE. |
| DE102014109149B4 (en) * | 2014-06-30 | 2016-02-04 | Fritz Studer Ag | Workpiece receiving device for a machine tool and machine tool |
| CN204585449U (en) * | 2015-01-27 | 2015-08-26 | 浙江大川竹木有限公司 | Chopsticks head processing machine |
| CN105538459A (en) * | 2016-01-15 | 2016-05-04 | 安徽省霍山县金园竹艺有限公司 | Flat bamboo skewer sharpening machine |
| CN206568759U (en) * | 2017-02-16 | 2017-10-20 | 浙江松阳金星文教用品有限公司 | Double cut-out all-in-ones of fining away |
| CN107175970B (en) * | 2017-05-18 | 2018-06-19 | 晁保锁 | The automatic pencil sharpener of solar rail type |
| CN107351579B (en) * | 2017-07-13 | 2019-02-26 | 竺林坤 | Apply the semi-automatic penknife of answering card pencil |
| CN107225473A (en) * | 2017-08-09 | 2017-10-03 | 许莲丽 | A kind of pencil produces sanding apparatus |
| CN209425597U (en) * | 2018-07-30 | 2019-09-24 | 衡东县万泉竹业有限公司 | A kind of throwaway chopsticks sharpener |
| CN108790520B (en) * | 2018-08-03 | 2019-09-03 | 李冠余 | A kind of pencil sharpener |
| CN109050118B (en) * | 2018-08-12 | 2020-09-08 | 福建欣弘机电设备有限公司 | Pencil sharpening device used in pencil production process |
| CN209304277U (en) * | 2018-12-19 | 2019-08-27 | 双峰县胜达竹木有限公司 | A kind of bamboo stick sharpening forming machine |
| CN210477240U (en) * | 2019-06-24 | 2020-05-08 | 苏州唐德机械有限公司 | Double-sharpening sawing machine |
-
2020
- 2020-05-11 CN CN202010389879.9A patent/CN111451829B/en active Active
- 2020-07-02 WO PCT/CN2020/099952 patent/WO2021227218A1/en active Application Filing
- 2020-07-16 NL NL2026078A patent/NL2026078A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021227218A1 (en) | 2021-11-18 |
| CN111451829A (en) | 2020-07-28 |
| NL2026078A (en) | 2021-11-23 |
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