CN111843080B - Auxiliary threading mechanism - Google Patents
Auxiliary threading mechanism Download PDFInfo
- Publication number
- CN111843080B CN111843080B CN202010874694.7A CN202010874694A CN111843080B CN 111843080 B CN111843080 B CN 111843080B CN 202010874694 A CN202010874694 A CN 202010874694A CN 111843080 B CN111843080 B CN 111843080B
- Authority
- CN
- China
- Prior art keywords
- wire
- connecting rod
- electrode
- frame
- fixedly connected
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000010892 electric spark Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
- B23H7/10—Supporting, winding or electrical connection of wire-electrode
- B23H7/102—Automatic wire threading
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention provides an auxiliary threading mechanism, and relates to the technical field of wire cutting. This supplementary wire feeding mechanism, including fortune silk subassembly, fortune silk base, lower line frame, upper line frame, electrode silk, fortune silk subassembly includes two sets of side mounting brackets, and the side fixedly connected with driving motor of one set of side mounting bracket, two sets of swing joint has the cylinder between the side mounting bracket, the cylinder is driven rotatoryly by driving motor through the shaft coupling, and the winding has electrode silk molybdenum filament on the cylinder, driving motor carries out electric connection through wire and external power source, and motor internally mounted has the stopper, and the stopper is supplied with the power by outside direct current 24V power source. The top of the wire conveying base is connected with a wire conveying upper carriage through a linear guide rail pair. When the three-phase power line of the driving motor is not electrified, the roller is in a free rotation state, and at the moment, when the brake inside the driving motor is electrified, the driving motor generates weak braking torque, so that the roller can be prevented from rotating randomly.
Description
Technical Field
The invention relates to the technical field of wire cutting, in particular to an auxiliary threading mechanism.
Background
Wire-electrode cutting, for short, is developed on the basis of electric spark perforation, forming processing, it not only makes the application of electric spark processing developed, but also has replaced electric spark perforation, forming processing in some aspects, need to take out stitches and line repeatedly to the hole class processing of complicated mould and part, very trouble, greatly influence the efficiency of part.
The wire electrode is detached during traditional wire threading, the wire electrode can be completely separated from the guide wheel assembly after loosening, and then the wire electrode is very troublesome during wire threading and installation.
Disclosure of Invention
(1) Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an auxiliary threading mechanism, which solves the problem that the wire electrode is detached during traditional threading, can be completely separated from a guide wheel assembly after loosening, and is very troublesome during threading and installation.
(2) Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme: the auxiliary wire threading mechanism comprises a wire conveying assembly, a wire conveying base, a lower wire frame, an upper wire frame and electrode wires, wherein the wire conveying assembly comprises two groups of side mounting frames, a driving motor is fixedly connected to the side surfaces of one group of side mounting frames, two groups of side mounting frames are movably connected with a roller, the roller is driven by the driving motor to rotate, the driving motor is electrically connected with an external power supply through wires, a motor brake is arranged in the motor, the brake is supplied with power by an external direct current 24V power supply, the top of the wire conveying base is fixedly connected with a wire conveying upper carriage, one side of the wire conveying upper carriage is fixedly connected with the upper wire frame and the lower wire frame, the bottom of the lower wire frame is provided with lower guide wheel assemblies near two ends, the top of the lower wire frame is fixedly connected with a first connecting rod supporting seat through a second inner hexagon bolt, the side of the first connecting rod supporting seat is movably connected with a connecting rod spacer sleeve, the side surface of the connecting rod spacer sleeve is internally provided with a connecting rod, the side surface of the connecting rod is fixedly connected with a wire clamping elastic screw through a locking screw, the left end of the connecting rod is connected with a hexagon nut through a hexagon nut, the second end of the hexagon nut is connected with a second connecting rod is further arranged at the side of the second end of the hexagon nut, and is located near the first end of the electrode pad and is fixedly connected with the electrode pad near the right end of the electrode pad, the wire electrode tightening device comprises a connecting rod, and is characterized in that a spring is arranged between the wire electrode tightening device and the wire electrode tightening frame and positioned on the side face of the connecting rod, a connecting rod limiting piece is fixedly connected between the wire electrode tightening frame and a connecting rod spacer, a first clamping plate and a second clamping plate which are oppositely arranged are arranged on the right side of the wire electrode tightening device, a first hexagonal nut is fixedly connected to the side face of the connecting rod spacer and close to the first proximity switch and the second proximity switch, a stop block is fixedly connected to the right end face of the first hexagonal nut, a first wire electrode clamping handle is connected to the side face of the first hexagonal nut through a third hexagonal nut thread, a second wire electrode clamping handle is fixedly connected to the outer end of the first wire electrode clamping handle, and an upper guide wheel assembly is arranged at the right end of the upper wire frame.
Preferably, the electrode wire is wound on the roller, the lower wire frame and the upper wire frame in a ring shape.
Preferably, the tensioner comprises three groups of guide wheel assemblies side by side, the guide wheel assemblies at the middle part are in sliding connection with the guide wheel assemblies at the two sides, and the bottom of the guide wheel assembly at the middle part is provided with a balancing weight.
Preferably, the first proximity switch and the second proximity switch respectively control the on and off of the motor brake.
Preferably, water spraying plates are arranged at the bottoms of the lower wire frame and the upper wire frame.
Working principle: when the wire feeding frame is used, the second electrode wire clamping handle 31 is pulled to block the second proximity switch 34 from the baffle 19, so that the motor inner brake 9 is started, the driving motor 8 works under weak braking torque, the position of the roller 4 is kept, meanwhile, the second electrode wire clamping handle 31 drives the first hexagonal nut 18 to rotate, the first hexagonal nut 18 pushes the wire clamping tightness adjusting screw 16 to the left side through the threaded connection effect, the connecting rod 15 is fixed together through the locking screw 17 and the wire clamping tightness adjusting screw 16, the connecting rod 15 is pulled to displace to the left side, the electrode wire tightener 38 is driven to move to the left, the electrode wire can be extruded through the structure of the right end of the electrode wire tightening frame 24, wire feeding can be carried out through the structure of the electrode wire tightening frame 24, and the electrode wire at the bottom of the lower wire frame 2 cannot be loosened when the electrode wire is fed, and therefore the electrode wire above the upper wire frame 3 is only required to be disassembled and installed, and the wire feeding frame is very convenient.
(3) Advantageous effects
The invention provides an auxiliary threading mechanism. The beneficial effects are as follows:
1. according to the invention, the motor brake is arranged between the driving motor and the power supply, and when the motor brake is electrified, the driving motor generates weak braking torque, so that the roller can be prevented from rotating randomly, and the electrode wire can be prevented from loosening when the wire is threaded.
2. According to the invention, the electrode wire tightener is arranged at the top of the lower wire frame, the two clamping plates of the electrode wire tightener are controlled to move through the connecting rod structure, and the electrode wire is clamped when the wire is replaced, so that the electrode wire below the electrode wire can be ensured not to loosen and separate from the guide wheel assembly, and the electrode wire can be rapidly disassembled and installed.
3. According to the invention, by arranging two groups of contact switch structures, the motor brake can be started and the wire clamping of the wire electrode tightener can be controlled to be linked through the connecting rod.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the lower wire rack T in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of FIG. 2A according to the present invention;
FIG. 4 is an enlarged view of FIG. 2B in accordance with the present invention;
fig. 5 is a schematic diagram of a drive motor of the present invention.
1, a wire conveying assembly; 2. a wire laying frame; 3. feeding a wire frame; 4. a roller; 5. a lower guide wheel assembly; 6. an upper guide wheel assembly; 7. a silk conveying upper carriage; 8. a driving motor; 9. a motor brake; 10. a tensioner; 11. an electrode wire; 12. a side mounting rack; 13. a wire conveying base; 14. a power supply; 15. a connecting rod; 16. a wire clamping tightness adjusting screw; 17. locking a screw; 18. a first hex nut; 19. a stop block; 20. a first link support; 21. a connecting rod spacer bush; 22. a connecting rod limiting piece; 23. a second link supporting seat; 24. a wire electrode tightening frame; 25. a first clamping plate; 26. a second clamping plate; 27. a second hex nut; 28. a gasket; 29. a third hex nut; 30. a first wire electrode clamping handle; 31. a second wire electrode clamping handle; 32. a second socket head cap screw; 33. a first proximity switch; 34. a second proximity switch; 35. a third socket head cap screw; 36. a spring; 37. a large flat head screw; 38. a wire electrode tightener.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1-5, the embodiment of the invention provides an auxiliary threading mechanism, which comprises a wire conveying assembly 1, a wire conveying base 13, a lower wire frame 2, an upper wire frame 3 and electrode wires 11, wherein the wire conveying assembly 1 comprises two groups of side mounting frames 12, the side surfaces of one group of side mounting frames 12 are fixedly connected with a driving motor 8, a roller 4 is movably connected between the two groups of side mounting frames 12, the roller 4 is driven by the driving motor 8 to rotate, the driving motor 8 is electrically connected with an external power supply 14 through wires, a motor brake 9 is connected in series between the driving motor 8, when the wire is replaced, the motor brake 9 is started, so that the driving motor 8 generates weak braking torque, the top of the wire conveying base 13 is fixedly connected with the wire conveying upper wire carriage 7, one side of the wire conveying upper wire carriage 7 is fixedly connected with the upper wire frame 3 and the lower wire frame 2, the bottom of the lower wire frame 2 is provided with lower guide wheel assemblies 5 near both ends, the wire clamping tightness adjusting screw 16 is fixedly connected to the side surface of the connecting rod 15 and is close to the left end through a locking screw 17 and used for controlling the movement of the wire tightener 38 and adjusting the tightness of the wire tightener 38 to the wire, the left end of the connecting rod 15 is in threaded connection with a second hexagonal nut 27, a gasket 28 is further arranged on the inner side of the second hexagonal nut 27, a first proximity switch 33 and a second proximity switch 34 are arranged on the side surface of the first connecting rod supporting seat 20 and positioned on two sides of the connecting rod spacer 21 and used for performing linkage operation with the driving motor 8, the top of the lower wire frame 2 and the right side that is located first connecting rod supporting seat 20 are fixedly connected with second connecting rod supporting seat 23 through third hexagon socket head cap screw 35, the side swing joint of second connecting rod supporting seat 23 has electrode wire to tighten up frame 24, the right-hand member of connecting rod 15 runs through electrode wire and tightens up frame 24 and extends to its right-hand member and be fixedly connected with electrode wire tightener 38 through big flat head screw 37, the side of connecting rod 15 and be located between electrode wire tightener 38 and electrode wire tightening up frame 24 and be provided with spring 36, the side of connecting rod 15 and be located between electrode wire tightening up frame 24 and the connecting rod spacer 21 and be fixedly connected with connecting rod spacing piece 22, the right side of electrode wire tightener 38 is provided with relative first splint 25 and second splint 26 of placing for pressing from both sides tight electrode wire, the side of connecting rod spacer 21 and be close to first proximity switch 33 and second proximity switch 34 fixedly connected with first hexagon nut 18, the right-hand member of first hexagon nut 18 is fixedly connected with dog 19, the side of first hexagon nut 18 is provided with first electrode wire clamping handle 30 through third hexagon nut 29 screw thread connection, the outer end of first electrode wire clamping handle 30 is fixedly connected with second electrode wire clamping handle 31, the upper wire clamping handle 3 is provided with wire clamping handle 3, the upper end setting up assembly is used for pressing from top to the wire frame 3, the upper end setting up frame is rotated, and is provided with the upper wire clamping assembly is provided with the wire frame 10.
The wire electrode 11 is annular coiling at cylinder 4, lower line frame 2, go up line frame 3, and tensioning ware 10 comprises three sets of guide pulley subassemblies side by side, sliding connection between guide pulley subassembly in middle part and the both sides guide pulley subassembly, and the bottom of guide pulley subassembly in middle part is provided with the balancing weight, and first proximity switch 33 and second proximity switch 34 control motor brake 9 respectively and open and close, and lower line frame 2 top and go up line frame 3's bottom all are equipped with the water spray board, and the material of wire electrode 11 is the molybdenum wire.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Supplementary wire mechanism that wears includes fortune silk subassembly (1), fortune silk base (13), lower line frame (2), goes up line frame (3), electrode silk (11), its characterized in that: the wire conveying assembly (1) comprises two groups of side mounting frames (12), wherein the side surfaces of one group of side mounting frames (12) are fixedly connected with a driving motor (8), two groups of side mounting frames (12) are movably connected with a roller (4), the roller (4) is driven to rotate by the driving motor (8), the driving motor (8) is electrically connected with an external power supply (14) through a wire, a motor brake (9) is arranged in the motor, the motor brake is powered by an external direct current 24V power supply, the top of the wire conveying base (13) is fixedly connected with a wire conveying upper carriage (7), one side of the wire conveying upper carriage (7) is fixedly connected with an upper carriage (3) and a lower carriage (2), the bottom of the lower carriage (2) is provided with a lower guide wheel assembly (5) near two ends, the top of the lower carriage (2) is fixedly connected with a first connecting rod supporting seat (20) through a second inner hexagon bolt (32), the side surface of the first connecting rod supporting seat (20) is movably connected with a connecting rod spacer sleeve (21), the inside of the connecting rod (21) is provided with a connecting rod spacer screw (15) near a left screw (15) and a left screw (15) is connected with a left screw (15), and a gasket (28) is further arranged on the inner side of the second hexagonal nut (27), a first proximity switch (33) and a second proximity switch (34) are arranged on the side face of the first connecting rod supporting seat (20) and are positioned on the two sides of the connecting rod spacer (21), a second connecting rod supporting seat (23) is fixedly connected to the top of the lower wire frame (2) and is positioned on the right side of the first connecting rod supporting seat (20) through a third inner hexagonal bolt (35), an electrode wire tightening frame (24) is movably connected to the side face of the second connecting rod supporting seat (23), an electrode wire tightening device (38) is fixedly connected to the right end of the connecting rod (15) penetrating through the electrode wire tightening frame (24) until the right end of the electrode wire tightening frame is fixedly connected with the electrode wire tightening device (38) through a large flat head screw (37), a spring (36) is arranged between the side face of the connecting rod (15) and the electrode wire tightening frame (38), a connecting rod limit plate (22) is fixedly connected between the side face of the connecting rod (15) and the connecting rod spacer (21), the right end of the connecting rod (38) is provided with a first proximity switch (26) and a second proximity switch (33) which is arranged on the opposite to the side face of the connecting rod spacer (21), the right end face of the first hexagonal nut (18) is fixedly connected with a stop block (19), the side face of the first hexagonal nut (18) is connected with a first wire electrode clamping handle (30) through a third hexagonal nut (29) in a threaded manner, the outer end of the first wire electrode clamping handle (30) is fixedly connected with a second wire electrode clamping handle (31), the right end of the upper wire frame (3) is provided with an upper guide wheel assembly (6), the left end of going up line frame (3) is provided with tensioning ware (10), wire electrode (11) are annular coiling at cylinder (4), lower line frame (2), go up line frame (3), tensioning ware (10) are constituteed by three group guide pulley subassembly side by side, and the middle part sliding connection between guide pulley subassembly and the both sides guide pulley subassembly, and the bottom of the guide pulley subassembly at middle part is provided with the balancing weight.
2. The auxiliary threading mechanism of claim 1, wherein: the first proximity switch (33) and the second proximity switch (34) respectively control the opening and closing of the motor brake (9).
3. The auxiliary threading mechanism of claim 1, wherein: the top of the lower wire frame (2) and the bottom of the upper wire frame (3) are both provided with water spraying plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874694.7A CN111843080B (en) | 2020-08-26 | 2020-08-26 | Auxiliary threading mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010874694.7A CN111843080B (en) | 2020-08-26 | 2020-08-26 | Auxiliary threading mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111843080A CN111843080A (en) | 2020-10-30 |
| CN111843080B true CN111843080B (en) | 2024-01-30 |
Family
ID=72968094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010874694.7A Active CN111843080B (en) | 2020-08-26 | 2020-08-26 | Auxiliary threading mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111843080B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113492238A (en) * | 2021-08-12 | 2021-10-12 | 武汉鑫莱尔科技有限公司 | Linear cutting machine for automobile accessory production and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2619261A1 (en) * | 1976-04-30 | 1977-11-10 | Siemens Ag | SPRING DEVICE FOR A WIRE EDMING MACHINE |
| CN106392225A (en) * | 2016-11-15 | 2017-02-15 | 泰州机数控机床有限公司 | Numerical control electric spark line cutting machine with front-arrangement wire conveying cylinder and wire penetrating and returning method |
| CN211192381U (en) * | 2019-10-16 | 2020-08-07 | 泰州市雄峰机械有限公司 | Wire tightening mechanism of reciprocating wire-moving machine tool for electrospark wire-electrode cutting |
| CN212823225U (en) * | 2020-08-26 | 2021-03-30 | 泰州市雄峰机械有限公司 | Auxiliary wire feeding mechanism |
-
2020
- 2020-08-26 CN CN202010874694.7A patent/CN111843080B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2619261A1 (en) * | 1976-04-30 | 1977-11-10 | Siemens Ag | SPRING DEVICE FOR A WIRE EDMING MACHINE |
| CN106392225A (en) * | 2016-11-15 | 2017-02-15 | 泰州机数控机床有限公司 | Numerical control electric spark line cutting machine with front-arrangement wire conveying cylinder and wire penetrating and returning method |
| CN211192381U (en) * | 2019-10-16 | 2020-08-07 | 泰州市雄峰机械有限公司 | Wire tightening mechanism of reciprocating wire-moving machine tool for electrospark wire-electrode cutting |
| CN212823225U (en) * | 2020-08-26 | 2021-03-30 | 泰州市雄峰机械有限公司 | Auxiliary wire feeding mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 锥度线切割机床电极丝的工艺操作;王德山;;机械管理开发(第04期);119-120+122 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111843080A (en) | 2020-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212823225U (en) | Auxiliary wire feeding mechanism | |
| CN111843080B (en) | Auxiliary threading mechanism | |
| CN105215830A (en) | Double end side polishing machine | |
| CN111799087B (en) | Transformer coil winding combined moving support | |
| CN111785516B (en) | Transformer coil winding support | |
| CN2799090Y (en) | Material feeding belt width adjustment device of automatic paint spraying machine | |
| CN212451807U (en) | Integrated type safe yarn guide mechanism for twisting machine | |
| CN205129597U (en) | Double -end side burnishing machine | |
| CN208362796U (en) | A kind of forming net pneumatic tensioner | |
| CN112267181A (en) | Novel spinning type rocker arm top clamping device | |
| CN219211430U (en) | Wire feeding straightening device | |
| CN220077564U (en) | Heavy-duty conveying line tensioning device | |
| CN212485127U (en) | Head bundling machine for LVB mutual inductor body | |
| CN219314155U (en) | Cloth roller transmission mechanism capable of synchronously adjusting spacing | |
| CN219121941U (en) | Tension pulley shearing and biting testing machine | |
| CN221026929U (en) | Yarn rewinding machine with uniform winding | |
| CN219220305U (en) | Positioning auxiliary device for jumbolter | |
| CN219598322U (en) | Wire clamping and guiding device of slow wire cutting machine tool | |
| CN220746282U (en) | Bicolor sawtooth embroidery device | |
| CN219059315U (en) | Stitch and turn sock all-in-one machine capable of preventing thread ends from winding | |
| CN218838593U (en) | Energy-saving plastic wire drawing machine capable of drawing wires uniformly | |
| CN211218953U (en) | Diamond wire cutting machine tool | |
| CN216463584U (en) | Full-aluminum rear sprocket tooth removing and burr feeding tool for motorcycle | |
| CN220417175U (en) | Lighting device for automatically detecting existence of equipment on diamond wire | |
| CN109108824A (en) | A kind of transmission device of crankshaft grinding machine |
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 |