CN211161630U - Be used for fluorescent tube production processing tungsten filament bender - Google Patents
Be used for fluorescent tube production processing tungsten filament bender Download PDFInfo
- Publication number
- CN211161630U CN211161630U CN201921730636.6U CN201921730636U CN211161630U CN 211161630 U CN211161630 U CN 211161630U CN 201921730636 U CN201921730636 U CN 201921730636U CN 211161630 U CN211161630 U CN 211161630U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- wheel
- push rod
- placing plate
- tungsten filament
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Wire Processing (AREA)
Abstract
The utility model discloses a be used for fluorescent tube production and processing tungsten filament bender, including placing board, raw materials tungsten filament, pan feeding mouth, third push rod and third cylinder, place the inboard portion and be equipped with two sets of hot plates, and the inside central point department of putting of hot plate is equipped with raw materials tungsten filament, place the inboard portion one side that is close to the hot plate and be equipped with and send a runner, send the one end that the hot plate was kept away from to a runner and be equipped with first spacing runner, the board top of placing above first spacing runner is equipped with first cylinder, and the bottom of first cylinder is equipped with first push rod to the one end that first cylinder was kept away from to first push rod is equipped with first pushing wheel, the below of placing the board is equipped with four groups's supporting legs, places the inboard portion one end that is. The utility model discloses not only realized the regulation of the different angles of bender during operation tungsten filament, prevented that crackle or silk footpath change appear when processing the tungsten filament and bend, improved the work efficiency of tungsten filament bender moreover.
Description
Technical Field
The utility model relates to a tungsten filament bender technical field specifically is a be used for fluorescent tube production processing tungsten filament bender.
Background
The tungsten wire is mainly used in a bulb light-emitting power supply, a small amount of potassium, silicon and aluminum oxides are doped in the smelting process to be drawn by various wire drawing dies, the tungsten wire has excellent heat resistance and mechanical strength, different shapes need to be manufactured when the tungsten wire is used, the tungsten wire is used in various bulbs, and the existing tungsten wire still has some defects to be improved when the existing bending machine is actually processed.
The tungsten filament bending machine on the market is various in types, can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:
(1) when the existing tungsten filament bending machine is used, cracks or filament diameter changes are easy to occur generally, so that the quality of tungsten filaments when the tungsten filament bending machine is used is seriously influenced;
(2) the existing tungsten filament bending machine is not convenient to adjust the bending angle in use, so that the convenience of the tungsten filament bending machine in use is greatly influenced;
(3) the existing tungsten filament bending machine is not convenient to cut and collect tungsten filaments rapidly when in use, thereby bringing great trouble to people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for fluorescent tube production and processing tungsten filament bender to solve the angle that provides the tungsten filament bender and be not convenient for adjust bending among the above-mentioned background art and easily appear crackle or silk footpath change, be not convenient for tailor the problem of collecting the tungsten filament fast.
In order to achieve the above object, the utility model provides a following technical scheme: a tungsten filament bending machine for lamp tube production and processing comprises a placing plate, raw tungsten filaments, a feeding port, heating plates and supporting legs, wherein two groups of heating plates are arranged inside the placing plate, the raw tungsten filaments are arranged at the central position inside the heating plates, one end of each raw tungsten filament extends to the outside of the placing plate, the feeding port is arranged at one end, close to the heating plates, of the placing plate, a filament feeding rotating wheel is arranged at one side, close to the heating plates, inside the placing plate, a limiting pin is sleeved inside the filament feeding rotating wheel, a first limiting rotating wheel is arranged at one end, away from the heating plates, of the filament feeding rotating wheel, a first air cylinder is arranged at the top of the placing plate above the first limiting rotating wheel, a first push rod is arranged at the bottom of the first air cylinder, a first push wheel is arranged at one end, away from the first air cylinder, of the first push rod, four groups of, the output end of the singlechip in the control panel is respectively electrically connected with the input ends of the heating plate, the first cylinder, the second cylinder and the third cylinder.
Preferably, the bottom of the placing plate below the first push wheel is provided with a fifth cylinder, the top of the fifth cylinder is provided with a fifth push rod, and one end, far away from the fifth cylinder, of the fifth push rod is provided with a fifth push wheel.
Preferably, a second limiting rotating wheel is arranged inside the placing plate above the fifth pushing wheel, a second cylinder is arranged at one end, close to the first cylinder, inside the placing plate, a second push rod is arranged at the bottom of the second cylinder, and a second pushing wheel is arranged at one end, far away from the second cylinder, of the second push rod.
Preferably, the reversing wheel is arranged inside the placing plate below the second push wheel, the supporting plate is arranged at the bottom end of the placing plate below the reversing wheel, the fan is arranged on one side of the supporting plate, and the auxiliary cutting knife is arranged below the fan.
Preferably, one end of the inside of the placing plate, which is far away from the feeding port, is provided with a third cylinder, a third push rod is arranged on one side of the third cylinder, and a third push wheel is arranged on one side of the third push rod, which is far away from the third cylinder.
Preferably, the inside curved groove that is equipped with of the board of placing of third pushing wheels top, the board of placing of third pushing wheels below is inside to be equipped with the spacing wheel of third, and the one side of placing the inboard near the third cylinder is equipped with the fourth cylinder, and one side of fourth cylinder is equipped with the fourth push rod to one side that the fourth cylinder was kept away from to the fourth push rod is equipped with main sanction scissors, and the below of main sanction scissors is equipped with the collecting box.
Compared with the prior art, the beneficial effects of the utility model are that: the tungsten filament bending machine for producing and processing the lamp tube not only realizes the adjustment of different angles of the tungsten filament when the bending machine works, prevents cracks or filament diameter change when the tungsten filament is processed for bending, but also improves the working efficiency of the tungsten filament bending machine;
(1) the heating plate is opened through operating the control panel, the raw material tungsten filament is heated by the heating plate to be in a high-temperature state, then the fan is opened through operating the control panel, and the raw material tungsten filament is cooled by wind power generated by the fan and is convenient to collect, so that cracks or filament diameter change during bending of the tungsten filament are prevented, and the quality of the tungsten filament is improved;
(2) the second air cylinder is opened through operating the control panel, the second air cylinder pushes the second push rod, so that the second push wheel is pushed to have downward pressure on the raw material tungsten filament, the third air cylinder is opened through the control panel under the auxiliary action of the bent groove, the third air cylinder pushes the third push rod through the control panel, so that the raw material tungsten filament is pushed to have lateral pressure, different pushing forces are generated by controlling the second air cylinder and the third air cylinder, the raw material tungsten filament is bent around the reversing wheel in different degrees, the adjustment of different angles of the tungsten filament during the working of the bending machine is realized, and the use range of the bending machine is enlarged;
(3) open the fourth cylinder through operation control panel, the fourth cylinder promotes the fourth push rod to promote main sanction scissors to have a lateral pressure to raw materials tungsten filament, accomplish cutting out of raw materials tungsten filament under the supplementary sword of tailorring, later drop the inside collection processing to it of collecting box, realized the synchronous collection work of tailorring of bender during operation, less manufacturing procedure, improved the work efficiency of tungsten filament bender.
Drawings
Fig. 1 is a schematic top view of the cross-sectional structure of the present invention;
fig. 2 is a schematic side view of the cross-sectional structure of the present invention;
fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;
fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;
fig. 5 is a schematic diagram of the system framework structure of the present invention.
In the figure: 1. placing the plate; 2. raw material tungsten filament; 3. a feeding port; 4. heating plates; 5. a spacing pin; 6. a wire feeding rotating wheel; 7. a first limiting runner; 8. a first push rod; 9. a first cylinder; 10. a first push wheel; 11. a second limiting rotating wheel; 12. a second cylinder; 13. a second push rod; 14. a second push wheel; 15. bending a groove; 16. a third push wheel; 17. a third push rod; 18. a third cylinder; 19. a third limiting wheel; 20. a fourth cylinder; 21. a fourth push rod; 22. main cutting scissors; 23. a collection box; 24. a fan; 25. an auxiliary cutting knife; 26. a support plate; 27. a reversing wheel; 28. a fifth push rod; 29. a fifth cylinder; 30. a fifth push wheel; 31. a control panel; 32. and (5) supporting legs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a bending machine for producing and processing tungsten filaments by using lamp tubes comprises a placing plate 1, raw tungsten filaments 2, a feeding port 3, a heating plate 4 and supporting legs 32, wherein two groups of heating plates 4 are arranged inside the placing plate 1, the model of each heating plate 4 is WMZ5-D081, the output end of a single chip microcomputer inside a control panel 31 is electrically connected with the input end of each heating plate 4 respectively, the raw tungsten filaments 2 are arranged at the center of the inside of each heating plate 4, one end of each raw tungsten filament 2 extends to the outside of the placing plate 1, the feeding port 3 is arranged at one end, close to the heating plate 4, of the placing plate 1, and a filament feeding runner 6 is arranged at one side, close to the heating plate 4, inside;
when the device is used, the heating plate 4 is opened through the operation control panel 31, the raw material tungsten filament 2 is heated by the heating plate 4, so that the raw material tungsten filament 2 is in a high-temperature state, then the fan 24 is opened through the operation control panel 31, and the raw material tungsten filament 2 is cooled by wind power generated by the fan 24 and is convenient to collect, so that cracks or filament diameter change during bending of the processed tungsten filament are prevented, and the quality of the tungsten filament is improved;
the wire feeding rotating wheel 6 is internally sleeved with a limiting pin 5, one end of the wire feeding rotating wheel 6, which is far away from the heating plate 4, is provided with a first limiting rotating wheel 7, the top of the placing plate 1 above the first limiting rotating wheel 7 is provided with a first air cylinder 9, the model of the first air cylinder 9 is PY497-100/70, the output end of the singlechip inside the control panel 31 is electrically connected with the input end of the first air cylinder 9, the bottom of the first air cylinder 9 is provided with a first push rod 8, one end of the first push rod 8, which is far away from the first air cylinder 9, is provided with a first push wheel 10, the bottom of the placing plate 1 below the first push wheel 10 is provided with a fifth air cylinder 29, the model of the fifth air cylinder 29 is PY497-100/60, the output end of the singlechip inside the control panel 31 is electrically connected with the input end of the fifth air cylinder 29, the top of the fifth air cylinder 29 is provided with a fifth push rod 28, and one, a second limiting rotating wheel 11 is arranged inside the placing plate 1 above the fifth push wheel 30, a second cylinder 12 is arranged at one end of the placing plate 1 close to the first cylinder 9, the model of the second cylinder 12 is PY497-100/50, the output end of the single chip microcomputer inside the control panel 31 is electrically connected with the input end of the second cylinder 12, a second push rod 13 is arranged at the bottom of the second cylinder 12, a second push wheel 14 is arranged at one end of the second push rod 13 far away from the second cylinder 12, a reversing wheel 27 is arranged inside the placing plate 1 below the second push wheel 14, a supporting plate 26 is arranged at the bottom end of the placing plate 1 below the reversing wheel 27, a fan 24 is arranged at one side of the supporting plate 26, the model of the fan 24 is Y9-35-11, the output end of the single chip microcomputer inside the control panel 31 is electrically connected with the input end of the fan 24, an auxiliary cutting knife 25 is arranged below the fan 24, a third cylinder 18 is arranged at one end of the placing plate 1, the model of the third cylinder 18 is PY497-100/40, the output end of the single chip microcomputer in the control panel 31 is electrically connected with the input end of the third cylinder 18, a third push rod 17 is arranged on one side of the third cylinder 18, a third push wheel 16 is arranged on one side, away from the third cylinder 18, of the third push rod 17, a bent groove 15 is arranged in the placing plate 1 above the third push wheel 16, and a third limiting wheel 19 is arranged in the placing plate 1 below the third push wheel 16;
when the device is used, the control panel 31 is operated to open the second cylinder 12, the second cylinder 12 pushes the second push rod 13, so that the second push wheel 14 is pushed to have downward pressure on the raw material tungsten filament 2, the third cylinder 18 is opened through the control panel 31 under the auxiliary action of the bent groove 15, the third cylinder 18 pushes the third push rod 17, so that the raw material tungsten filament 2 is pushed to have lateral pressure, different pushing forces are generated by controlling the second cylinder 12 and the third cylinder 18, the raw material tungsten filament 2 is bent around the reversing wheel 27 to different degrees, adjustment of different angles of the tungsten filament is realized when the bending machine works, and the application range of the bending machine is improved;
a fourth cylinder 20 is arranged on one side, close to the third cylinder 18, inside the placing plate 1, the model of the fourth cylinder 20 is PY497-100/30, the output end of a single chip microcomputer inside the control panel 31 is electrically connected with the input end of the fourth cylinder 20, a fourth push rod 21 is arranged on one side of the fourth cylinder 20, main scissors 22 are arranged on one side, far away from the fourth cylinder 20, of the fourth push rod 21, a collecting box 23 is arranged below the main scissors 22, four groups of supporting legs 32 are arranged below the placing plate 1, a control panel 31 is arranged on one end, close to the heating plate 4, inside the placing plate 1, and the output end of the single chip microcomputer inside the control panel 31 is electrically connected with the input ends of the heating plate 4, the first cylinder 9, the second cylinder 12 and the third cylinder 18;
during the use, the fourth cylinder 20 is opened through the operation control panel 31, the fourth cylinder 20 pushes the fourth push rod 21, so that the main cutting scissors 22 are pushed to have side pressure to the raw material tungsten wire 2, the cutting of the raw material tungsten wire 2 is completed under the assistance of the auxiliary cutting knife 25, then the falling collecting box 23 is collected and processed, the synchronous cutting and collecting work of the bending machine during working is realized, the processing procedures are reduced, and the working efficiency of the tungsten wire bending machine is improved.
The working principle is as follows: when the tungsten filament processing device is used, an external power supply is firstly used, a raw material tungsten filament 2 is placed into a heating plate 4 to be below a filament feeding rotating wheel 6 by a worker, the filament feeding rotating wheel 6 rotates to drive the tungsten filament to move forwards, the heating plate 4 is opened by operating a control panel 31, the raw material tungsten filament 2 is heated by the heating plate 4 to be in a high-temperature state, the raw material tungsten filament 2 is prevented from cracking or changing the filament diameter when being bent, the quality of the tungsten filament is improved, the raw material tungsten filament 2 moves between a first limit rotating wheel 7 and a second limit rotating wheel 11, a first air cylinder 9 is opened by operating the control panel 31, the first air cylinder 9 pushes a first push rod 8, so that the first push wheel 10 is pushed to have downward pressure on the raw material tungsten filament 2 to enable the raw material tungsten filament to bend downwards, a fifth air cylinder 29 is opened by operating the control panel 31, the fifth air cylinder 29 pushes a fifth push rod 28, so that the fifth push wheel 30 is pushed to have upward pressure on the raw material tungsten filament, then the second cylinder 12 is opened by operating the control panel 31, the second cylinder 12 pushes the second push rod 13, thereby pushing the second push wheel 14 to have a downward pressure on the raw material tungsten filament 2, under the auxiliary action of the curved slot 15, the third cylinder 18 is opened by the control panel 31, the third cylinder 18 pushes the third push rod 17, thereby pushing the raw material tungsten filament 2 to have a lateral pressure, then the second cylinder 12 and the third cylinder 18 are controlled to generate different thrusts, so that the raw material tungsten filament 2 is bent around the reversing wheel 27 to different degrees, thereby realizing the adjustment of different angles of the tungsten filament when the bending machine works, improving the application range of the bending machine, the fan 24 is opened by operating the control panel 31, the wind power generated by the fan 24 cools and cools the raw material tungsten filament 2 for convenient collection, the fourth cylinder 20 is opened by operating the control panel 31, the fourth cylinder 20 pushes the fourth push rod 21, thereby pushing the main cutting scissors 22 to have a lateral pressure on the raw material tungsten filament 2, accomplish tailorring of raw materials tungsten filament 2 under supplementary sword 25 of tailorring, later drop collecting box 23 inside collect the processing to it, realize the synchronous collection work of tailorring of bender during operation, reduce manufacturing procedure, improve the work efficiency of tungsten filament bender, accomplish the use work of tungsten filament bender.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a be used for fluorescent tube production processing tungsten filament bender, is including placing board (1), raw materials tungsten filament (2), pan feeding mouth (3), hot plate (4) and supporting leg (32), its characterized in that: two groups of heating plates (4) are arranged inside the placing plate (1), raw tungsten wires (2) are arranged at the center of the inside of the heating plates (4), one ends of the raw tungsten wires (2) extend to the outside of the placing plate (1), a feeding port (3) is arranged at one end, close to the heating plates (4), of the placing plate (1), a wire feeding rotating wheel (6) is arranged at one side, close to the heating plates (4), inside the placing plate (1), a limiting pin (5) is sleeved inside the wire feeding rotating wheel (6), a first limiting rotating wheel (7) is arranged at one end, far away from the heating plates (4), of the wire feeding rotating wheel (6), a first air cylinder (9) is arranged at the top of the placing plate (1) above the first limiting rotating wheel (7), a first push rod (8) is arranged at the bottom of the first air cylinder (9), and a first push wheel (10) is arranged at one end, far away from the first air cylinder (9, the support plate is characterized in that four groups of support legs (32) are arranged below the placing plate (1), a control panel (31) is arranged at one end, close to the heating plate (4), inside the placing plate (1), and the output end of a single chip microcomputer inside the control panel (31) is electrically connected with the input ends of the heating plate (4), the first air cylinder (9), the second air cylinder (12) and the third air cylinder (18) respectively.
2. The bending machine for producing and processing tungsten wires for lamp tubes according to claim 1, is characterized in that: the bottom of the placing plate (1) below the first push wheel (10) is provided with a fifth cylinder (29), the top of the fifth cylinder (29) is provided with a fifth push rod (28), and one end, far away from the fifth cylinder (29), of the fifth push rod (28) is provided with a fifth push wheel (30).
3. The bending machine for producing and processing tungsten wires for lamp tubes according to claim 2, is characterized in that: the placing plate (1) above the fifth push wheel (30) is internally provided with a second limiting rotating wheel (11), one end, close to the first cylinder (9), of the placing plate (1) is provided with a second cylinder (12), the bottom of the second cylinder (12) is provided with a second push rod (13), and one end, far away from the second cylinder (12), of the second push rod (13) is provided with a second push wheel (14).
4. The bending machine for producing and processing tungsten wires for lamp tubes according to claim 3, is characterized in that: the inside reversing wheel (27) that is equipped with of board (1) of placing of second pushing wheel (14) below, and the board (1) bottom of placing of reversing wheel (27) below is equipped with backup pad (26) to one side of backup pad (26) is equipped with fan (24), the below of fan (24) is equipped with supplementary sword (25) of tailorring.
5. The bending machine for producing and processing tungsten wires for lamp tubes according to claim 1, is characterized in that: a third cylinder (18) is arranged at one end, far away from the feeding port (3), of the interior of the placing plate (1), a third push rod (17) is arranged on one side of the third cylinder (18), and a third push wheel (16) is arranged on one side, far away from the third cylinder (18), of the third push rod (17).
6. The bending machine for producing and processing tungsten wires for lamp tubes according to claim 5, is characterized in that: the novel cutting machine is characterized in that a bent groove (15) is formed in the placing plate (1) above the third push wheel (16), a third limiting wheel (19) is arranged in the placing plate (1) below the third push wheel (16), a fourth cylinder (20) is arranged on one side, close to the third cylinder (18), of the placing plate (1), a fourth push rod (21) is arranged on one side of the fourth cylinder (20), main cutting scissors (22) are arranged on one side, far away from the fourth cylinder (20), of the fourth push rod (21), and a collecting box (23) is arranged below the main cutting scissors (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921730636.6U CN211161630U (en) | 2019-10-16 | 2019-10-16 | Be used for fluorescent tube production processing tungsten filament bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921730636.6U CN211161630U (en) | 2019-10-16 | 2019-10-16 | Be used for fluorescent tube production processing tungsten filament bender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211161630U true CN211161630U (en) | 2020-08-04 |
Family
ID=71820669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921730636.6U Expired - Fee Related CN211161630U (en) | 2019-10-16 | 2019-10-16 | Be used for fluorescent tube production processing tungsten filament bender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211161630U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808883A (en) * | 2020-12-30 | 2021-05-18 | 中核北方核燃料元件有限公司 | Preparation method of bent tungsten electrode |
| CN114951496A (en) * | 2022-08-01 | 2022-08-30 | 泰州华泽金属工业有限公司 | Stainless steel wire bending device |
-
2019
- 2019-10-16 CN CN201921730636.6U patent/CN211161630U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808883A (en) * | 2020-12-30 | 2021-05-18 | 中核北方核燃料元件有限公司 | Preparation method of bent tungsten electrode |
| CN114951496A (en) * | 2022-08-01 | 2022-08-30 | 泰州华泽金属工业有限公司 | Stainless steel wire bending device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211161630U (en) | Be used for fluorescent tube production processing tungsten filament bender | |
| CN205732389U (en) | A kind of multistation bender | |
| CN107252856B (en) | A kind of electronic component pin bending cutter device | |
| CN201924217U (en) | Chemical fiber cloth cutter | |
| CN105016610A (en) | Double-station press machine for producing optical glass lenses of street lamps | |
| CN206139689U (en) | Hyperboloid list aluminum plate processingequipment | |
| CN111718134B (en) | Vacuum glass support column discharging equipment | |
| CN212533504U (en) | Automatic cutting machine is used in gauze mask production | |
| CN208592898U (en) | A kind of paper diaper cutter device convenient for paper diaper are carried out shaping with cutting | |
| CN207026402U (en) | Automobile door plate hot-riveting mobile device | |
| CN217174149U (en) | Electric heating cutting machine for curtain | |
| CN208358089U (en) | A kind of preparation facilities of circle solder cake | |
| CN101088657A (en) | Swaging apparatus and process for multicomponent composite tungsten electrode | |
| CN217990779U (en) | Automatic filament winding equipment for filament | |
| CN221663263U (en) | Chemical fiber cloth hot trimming equipment | |
| CN209766438U (en) | Metal wire arrangement device for preparing thin grid line electrode by sintering metal wires | |
| CN105084734B (en) | A kind of adjustable glass cutting device | |
| CN219947357U (en) | Unmanned aerial vehicle carbon fiber casing hot pressing frock | |
| CN206263159U (en) | Tungsten filament cutting machine tensioning wheel | |
| CN213469413U (en) | Wire harness cutting device for bulb production | |
| CN202717698U (en) | Multi-station power-saving fluorescent lamp spiral tube bending machine | |
| CN214938666U (en) | High-efficient forming mechanism of tailorring of woven mesh pipe | |
| CN102881558B (en) | Lamp filament winder for quickly winding molybdenum sheaths | |
| CN211713319U (en) | Drafting device for spinning yarns | |
| CN215898964U (en) | Ear band cutting device is used in gauze mask production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20211016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |