CN211938848U - Wire cutting type shredding device for metal wire - Google Patents
Wire cutting type shredding device for metal wire Download PDFInfo
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- CN211938848U CN211938848U CN202020249121.0U CN202020249121U CN211938848U CN 211938848 U CN211938848 U CN 211938848U CN 202020249121 U CN202020249121 U CN 202020249121U CN 211938848 U CN211938848 U CN 211938848U
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Abstract
The utility model relates to a wire-electrode cutting type shredding device for metal wires, which comprises a wire cutting machine, wherein a working platform of the wire cutting machine is provided with a filament fixture and a filament distribution mechanism, the filament fixture is provided with a plurality of wire slots for metal wires to pass through and clamping the metal wires, the filament fixture is also provided with a plurality of straight through grooves perpendicular to the wire slots at even intervals, the wire slots are equally divided on the length of the wire slots, the distance between adjacent straight through grooves is the shredding length of the metal wires, and the cutting line of the wire cutting machine moves along the straight through grooves to cut the metal wires in the wire slots; the wire distributing mechanism is used for tensioning the metal wire to be cut and comprises a wire feeding mechanism and a wire drawing mechanism which are respectively arranged on two sides of the filament clamp, and the wire drawing mechanism draws the metal wire to enable the metal wire to pass through a wire groove of the filament clamp and to be tensioned. This device can set for wantonly in certain extent and shred length, and the frock is changed and is easily operated, and shreds the precision and easily controls, and the precision is higher.
Description
Technical Field
The utility model belongs to the technical field of shred, concretely relates to wire rod's wire-electrode cutting formula shred device.
Background
The existing wire cutting machine for metal wires is characterized in that two cutting discs are respectively arranged on the upper side and the lower side of a metal wire, two cutters are uniformly distributed on the two cutting discs, the two cutting discs are driven by a motor to rotate reversely at the same speed, and cutting edges of the cutters of the two cutting discs are in contact with the metal wire at the same time to finish cutting. During shearing, the tangential linear speed of a cutting edge opening of the cutter disc must be consistent with the linear speed of wire feeding. If the speed of the cutter is higher than that of feeding the wire, traction force is generated on the metal wire, and if the speed is lower, extrusion force is generated on the metal wire, so that the two conditions can cause strain or extrusion damage on the metal wire, the accuracy of the cutting length is reduced, and the abrasion of the cutter is accelerated. The shredding length is controlled by the diameter of the cutter head, one length specification can only use the cutter head gear box body component with the corresponding cutter head diameter, and the cutter head is very troublesome to replace according to the product length specification.
The rotating speed of a wire feeding roller and the rotating speed of a cutter disc in a wire feeding mechanism of a conventional metal wire rod shredder are in a fixed mechanical transmission ratio mode, when the wire feeding roller slips, the wire cutting length precision cannot be guaranteed, the distance between the wire feeding roller and the cutter disc is far, the middle part is driven by a common synchronous belt, and the wire cutting length precision is relatively low due to the error of a mechanical transmission system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wire rod's wire-electrode cutting formula shred device installs on current wire-electrode cutting machine's work platform and uses specific frock clamp, can set for wantonly in the certain limit and shred length, and the frock is changed easily and is operated, and shreds precision easily control, and the precision is higher.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a wire cutting type wire cutting device for metal wires comprises a wire cutting machine, wherein a working platform of the wire cutting machine is provided with a filament fixture and a wire distribution mechanism, the filament fixture is provided with a plurality of wire slots for metal wires to pass through and clamp the metal wires, the filament fixture is also provided with a plurality of linear through grooves perpendicular to the wire slots at uniform intervals, the wire slots are equally divided on the length of the wire slots, the distance between every two adjacent linear through grooves is the cutting length of the metal wires, and the cutting wires of the wire cutting machine move along the linear through grooves to cut the metal wires in the wire slots; the wire distributing mechanism is used for tensioning the metal wire to be cut and comprises a wire feeding mechanism and a wire drawing mechanism which are respectively arranged on two sides of the filament clamp, and the wire drawing mechanism draws the metal wire to enable the metal wire to pass through a wire groove of the filament clamp and to be tensioned.
The filament fixture comprises an upper die and a lower die which are rotatably connected through a turnover hinge to realize die assembly or opening, and the upper die and the lower die are positioned through a convex-concave structure for die assembly.
The wire groove is composed of two semicircular grooves which are respectively arranged on an upper die and a lower die of the filament clamp.
The straight through grooves comprise upper die through grooves arranged on the upper die and lower die through grooves arranged on the lower die, and the upper die through grooves and the lower die through grooves are in one-to-one correspondence after the filament clamping tool is closed.
The number of the wire feeding mechanisms is consistent with that of the wire grooves in the filament fixture, each wire feeding mechanism comprises a metal wire coil and a tensioning mechanism, the metal wire to be cut is wound on the metal wire coil, and the tensioning mechanism is arranged between the metal wire coil and the filament fixture and used for being matched with the wire drawing mechanism to tension the metal wire.
The wire drawing mechanism comprises a metal wire clamping mouth, a locking part and a linear driving mechanism, the locking part is connected with the linear driving mechanism, and the locking part is used for controlling the metal wire clamping mouth to clamp a metal wire.
The metal wire clamping mouth is two elastic clamps of connecting for rotating, and the front end of every elastic clamp is the splint of pressing from both sides tight metal wire, and the afterbody of rear end for connecting the retaining member, and is equipped with the spring between two afterbody, the taper hole cover on the retaining member realizes two elastic clamp front end splint to the clamp of metal wire with the help of sharp actuating mechanism's pulling force behind the afterbody of two elastic clamps.
The locking piece is a cylindrical pipe, one end of the locking piece is connected with the action executing part of the linear driving mechanism, and the other end of the locking piece is provided with the taper hole.
And two metal wire clamping mouths are arranged, one of the metal wire clamping mouths is connected with the locking piece and used for tensioning the metal wire, and the other metal wire clamping mouth is clamped on the metal wire between the tensioning mechanism and the fine wire clamping device in a loose state.
And a probe is arranged on an upper wire frame of the wire cutting machine, and whether the cutting line is superposed with the central line of the linear through groove in the width direction on the filament fixture or not is determined through an image acquired by the probe.
Utilize the utility model discloses when carrying out the cutting of wire, its basic process is: the method comprises the following steps of (1) clamping a filament clamp on a working platform of the wire cutting machine, installing a metal filament coil to be cut, and loading metal filaments drawn from the metal filament coil into a tensioning mechanism and a metal filament clamping nozzle; opening the upper die of the filament clamp, starting the wire drawing mechanism, drawing the metal filament clamping mouth to cross and reach the rear part of the filament clamp, closing the die and clamping the filament clamp, and clamping the metal filament in the wire slot of the filament clamp; and taking the other metal wire clamping mouth, and clamping the other metal wire clamping mouth at the position of the original metal wire clamping mouth in front of the metal wire clamping mouth in a loose state. Starting the wire cutting machine to enable the cutting line to be aligned to the center of the width of the first linear through groove, starting the probe, ensuring that the cutting line moves along the width center line of the linear through groove to complete the cutting of the metal wire by using a control system of the wire cutting machine, and moving the cutting line to the adjacent linear through groove after one linear through groove is moved, and sequentially cutting the metal wire; after the shredding is finished, opening the filament clamp, and collecting the cut filaments by using a brush; and the fine wire is cut accurately in such a way.
The utility model has the advantages of following innovation point: 1. the utility model discloses utilize current wire cut electrical discharge machining, only need according to the wire diameter and shred length, change suitable filament fixture, just can cut out the wire rod of arbitrary length in the certain limit, reduced the mechanical adjustment of equipment in the work, improved work efficiency, increased the commonality of equipment, realized a tractor serves several purposes, reduced manufacturing cost.
2. The wire cutting machine has the advantages that the control system of the wire cutting machine is utilized, the digital control of metal wire cutting can be realized, the operation is simple, and the automation of metal wire production can be realized.
3. The utility model discloses can effectively improve the precision of shredding length, promote the qualification rate of product, reduce the waste of material, moreover, because it is very high to cut the length precision, produce the finished product and directly just can use some trades that require high very much without outer processing, reduced user manufacturing cost and improved production efficiency.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a view of the upper die of the filament clamp in the direction B;
FIG. 5 is a view of the lower die of the filament clamp in the direction B;
FIG. 6 is a schematic view of the engagement of the wire retaining lip and retaining member;
the labels in the figure are: 1. a wire cutting machine; 1-1, cutting line; 1-2, an upper line frame;
2. a filament clamp; 2-1, an upper die; 2-1-1, an upper mold through groove; 2-1-2, dimples; 2-2, a lower die; 2-2-1, a lower die through groove; 2-2-2, boss; 2-3, turning over a hinge; 2-4, a wire groove; 2-5, straight through grooves;
3. a wire distributing mechanism; 3-1, rolling the metal wire; 3-2, a tensioning mechanism; 3-3, clamping a metal wire mouth; 3-3-1, splint; 3-3-2, tail; 3-4, a locking piece; 3-5, a linear driving mechanism;
4. a regulating mechanism; 4-1, a probe; 4-2 and a control system.
Detailed Description
The following detailed description of the present invention is provided with reference to the accompanying drawings and examples, but not to be construed as limiting the present invention in any way.
Referring to the attached drawings, the wire cutting type shredding device for the metal wire comprises a wire cutting machine 1, a filament clamp 2, a wire distributing mechanism 3 and a regulating mechanism 4, wherein the filament clamp 2 and the wire distributing mechanism 3 are arranged on a working platform of the wire cutting machine 1; a probe 4-3 in the regulating mechanism 4 is arranged on an upper wire frame 1-2 of the wire cutting machine 1.
The wire cutting machine 1 is a commercially available wire cutting machine and is provided with an upper wire frame 1-2 for installing a cutting wire 1-1 and a driving system for controlling the movement of the upper wire frame 1-2.
The filament fixture 2 comprises an upper die 2-1, a lower die 2-2 and a turnover hinge 2-3. The upper die 2-1 and the lower die 2-2 are respectively provided with a plurality of semicircular grooves, the upper die 2-1 and the lower die 2-2 are connected through a turnover hinge 2-3 to realize opening or closing, after closing, the semicircular grooves of the upper die 2-1 and the lower die 2-2 can form a wire slot 2-4 for clamping wires, the diameter of each semicircular groove is slightly smaller than that of a metal wire to be cut, preferably, the diameter of each semicircular groove is 1-100 micrometers smaller than that of the metal wire to be cut, and therefore the wire slot 2-4 can clamp the metal wire.
The upper die 2-1 of the filament fixture 2 is provided with a plurality of upper die through grooves 2-1-1, the lower die 2-2 is provided with a same number of lower die through grooves 2-2-1, after the upper die 2-1 and the lower die 2-2 are closed, the upper die through grooves 2-1-1 and the lower die through grooves 2-2-2 form vertically corresponding linear through grooves 2-5, and the linear through grooves 2-5 are perpendicular to the wire grooves 2-4, so that the wire grooves 2-4 can be equally divided along the length direction by the uniformly arranged linear through grooves 2-5, when the cutting line 1-1 moves in the linear through grooves 2-5, metal wires in the wire grooves 2-4 are cut, and the distance between the adjacent linear through grooves 2-5 is the length of the cut wires. In order to facilitate the cutting line 1-1 to move in the linear through groove 2-5, the width of the linear through groove 2-5 is 2-100 micrometers larger than the diameter of the cutting line 1-1.
In order to facilitate the die assembly, the corresponding precision of the upper die through groove 2-1-1 and the lower die through groove 2-2-1 and the corresponding precision of the semicircular groove are respectively provided with a convex-concave structure on the upper die 2-1 and the lower die 2-2, and the die assembly is positioned by utilizing the convex-concave matching. For example, the upper die 2-1 may be provided with the dimple 2-1-2, and the lower die 2-2 may be provided with the boss 2-2-2 that fits the dimple 2-1-2, or vice versa.
The wire distributing mechanism 3 is mainly used for drawing and tensioning the metal wire to be cut and comprises a wire feeding mechanism and a wire drawing mechanism which are respectively arranged on two sides of the filament clamp 2, and the wire drawing mechanism draws the metal wire to enable the metal wire to pass through the wire grooves 2-4 of the filament clamp 2 and to be tensioned.
The number of the wire feeding mechanisms is consistent with that of the wire grooves 2-4 on the filament clamp 2, each wire feeding mechanism comprises a metal wire coil 3-1 and a tensioning mechanism 3-2, the metal wire to be cut is wound on the metal wire coil 3-1, the tensioning mechanism 3-2 comprises three tensioning wheels, two of the tensioning wheels are arranged up and down and rotate oppositely, and the tensioning wheels can tension and feed the metal wire.
The wire drawing mechanism comprises 3-3 parts of a metal wire clamping mouth, 3-4 parts of locking parts and 3-5 parts of linear driving mechanisms, wherein the 3-4 parts of the locking parts are connected with the 3-5 parts of the linear driving mechanisms, and the 3-4 parts of the locking parts are used for controlling the 3-3 parts of the metal wire clamping mouth to clamp metal wires.
The metal wire clamping mouth 3-3 is two elastic clamps which are rotatably connected, the front end of each elastic clamp is a clamping plate 3-3-1 for clamping a metal wire, the rear end of each elastic clamp is a tail part 3-3-2 for connecting the locking part 3-4, a spring is arranged between the two tail parts 3-3-2, and a taper hole in the locking part 3-4 is sleeved on the rear part 3-3-2 of the two elastic clamps, so that the clamping of the metal wire by the clamping plates 3-3-1 at the front ends of the two elastic clamps is realized by means of the tension of the linear driving mechanism 3-5. The locking piece 3-4 is a cylindrical pipe, one end of the locking piece is connected with the action executing part of the linear driving mechanism 3-5, the other end of the locking piece is provided with the taper hole, and the locking piece 3-4 is of a combined structure and is combined into the cylindrical pipe by two pieces for the convenience of disassembly.
Two metal wire clamping mouths 3-3 are arranged, one of the metal wire clamping mouths is connected with the locking piece 3-4 and used for tensioning a metal wire, and the other metal wire clamping mouth is arranged on the metal wire between the tensioning mechanism 3-2 and the thin wire clamp 2 in a loose state.
The linear driving mechanism 3-5 adopts an air cylinder, an oil cylinder or a mechanical arm, and the air cylinder is adopted in the embodiment.
The control mechanism 4 mainly utilizes a control system 4-2 of the wire cutting machine 1, an image acquisition probe 4-1 is arranged on an upper wire frame 1-2 of the wire cutting machine 1, the probe 4-1 is arranged in front of the cutting wire 1-1 and used for acquiring images to determine the relative position of the center of the cutting wire 1-1 and the width center line of the linear through groove 2-5, and the control system can move the upper wire frame 1-2 through a corresponding driving mechanism to enable the center of the cutting wire 1-1 to be superposed with the width center line of the linear through groove 2-5, so that the cutting lengths are completely consistent.
In practice, the number of filament clamps 2, in particular the number of wire slots 2-4 and the number of straight through slots 2-5, is designed according to customer requirements. The designed filament clamp 2 is arranged on a working platform of a wire cutting machine 1, a metal wire coil 3-1 and a tensioning mechanism 3-2 are respectively arranged in place, the metal wire coil 3-1 and the tensioning mechanism 3-2 are sequentially arranged and aligned with a wire slot 2-4 on the filament clamp 2, then a metal wire on the metal wire coil 3-1 is pulled out to sequentially pass through a tensioning wheel of the tensioning mechanism 3-2 and then is clamped on a metal wire clamping mouth 3-3, the metal wire clamping mouth 3-3 is connected with a piston rod of an air cylinder through a locking piece 3-4, then the position of the filament clamp 2 is adjusted again according to the drawn metal wire to ensure that one metal wire corresponds to one wire slot 2-4, then the position of an upper wire frame 1-2 is adjusted to ensure that the central line of a cutting wire 1-1 is coincided with the central line of the width of a first straight through groove 2-5 on the filament clamp 2, after adjustment is completed, the filament clamp 2 is fixed, an air cylinder of the wire drawing mechanism is started to retract, the locking piece 3-4 is pulled backwards, the metal wire clamping mouth 3-3 is made to further clamp the metal wire, the metal wire is pulled until the metal wire clamping mouth 3-3 crosses the filament clamp 2 and reaches the rear part of the filament clamp 2, the metal wire enters the corresponding wire slot 2-4, the upper die 2-1 and the lower die 2-2 of the filament clamp 2 are matched and fixed, and the wire slot 2-4 after matching can clamp the metal wire in the filament clamp 2; then another metal wire clamping mouth 3-3 is taken to be clamped to the position of the original metal system clamping mouth 3-3 in front of the thin wire clamping apparatus 2 for standby in the next cycle.
Starting the wire cutting machine 1 and the probe 4-1, monitoring the position relation of the cutting line and the width center line of the linear through groove by the probe, ensuring that the center line of the cutting line 1-1 is coincident with the width center line of the linear through groove 2-5, then controlling the upper wire rack 1-2 to move along the linear through groove 2-5, sequentially cutting the metal wires in the wire grooves 2-4, and after the completion, withdrawing the upper wire rack 1-2 from the linear through groove 2-5 and entering the next linear through groove 2-5 to cut the metal wires. Until all cutting work is completed.
After the wire cutting is finished, an upper die 2-1 of the filament clamp 2 is opened, the cut filaments are collected by a brush, then the locking piece 3-4 and the metal wire clamping mouth 3-3 are taken down, the locking piece 3-4 is installed on a piston of the air cylinder, the upper die moves to the front of the filament clamp 2 and is connected with the metal wire clamping mouth 3-3 serving as a spare, then the metal wire is pulled again and cut, meanwhile, the metal wire clamping mouth 3-3 taken down is installed on the metal wire in front of the filament clamp 2 serving as a spare, and the precise cutting of all the metal wires on the metal wire coil 3-1 is finished in cycles.
The filament fixture is provided with 10 semicircular grooves and 30 linear through grooves 2-5, so that one cycle of cutting is completed, and accurate cutting of 300 metal wire sections can be realized.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a wire rod's wire cutting formula shred device, includes wire cutting machine (1), its characterized in that: a working platform of the wire cutting machine (1) is provided with a filament fixture (2) and a filament distribution mechanism (3), the filament fixture (2) is provided with a plurality of wire slots (2-4) for metal filaments to pass through and clamping the metal filaments, the filament fixture (2) is also provided with a plurality of linear through grooves (2-5) perpendicular to the wire slots (2-4) at uniform intervals so as to equally divide the wire slots (2-4) on the length of the wire slots (2-4), the distance between every two adjacent linear through grooves (2-5) is the shredding length of the metal filaments, and a cutting line (1-1) of the wire cutting machine (1) moves along the linear through grooves (2-5) to cut the metal filaments in the wire slots (2-4); the wire distributing mechanism (3) is used for tensioning the metal wire to be cut and comprises a wire feeding mechanism and a wire drawing mechanism which are respectively arranged on two sides of the filament clamp (2), and the wire drawing mechanism draws the metal wire to enable the metal wire to pass through the wire grooves (2-4) of the filament clamp (2) and to be tensioned.
2. The wire-cut electrical discharge apparatus for metal wire according to claim 1, wherein: the filament fixture (2) comprises an upper die (2-1) and a lower die (2-2), the upper die (2-1) and the lower die (2-2) are rotatably connected through a turnover hinge (2-3) to achieve die assembly or opening, and the upper die (2-1) and the lower die (2-2) are positioned through a convex-concave structure for die assembly.
3. The wire-cut electrical discharge apparatus for metal wire according to claim 2, wherein: the wire groove (2-4) is composed of two semicircular grooves which are respectively arranged on an upper die (2-1) and a lower die (2-2) of the filament clamp (2).
4. The wire-cut electrical discharge apparatus for metal wire according to claim 2, wherein: the straight through groove (2-5) comprises an upper die through groove (2-1-1) arranged on the upper die (2-1) and a lower die through groove (2-2-1) arranged on the lower die (2-2), and after the filament clamp (2) is closed, the upper die through groove (2-1-1) and the lower die through groove (2-2-1) are in one-to-one correspondence from top to bottom.
5. The wire-cut electrical discharge apparatus for metal wire according to claim 1, wherein: the number of the wire feeding mechanisms is consistent with that of the wire grooves (2-4) in the filament clamp (2), each wire feeding mechanism comprises a metal wire coil (3-1) and a tensioning mechanism (3-2), the metal wire to be cut is wound on the metal wire coil (3-1), and the tensioning mechanism (3-2) is arranged between the metal wire coil (3-1) and the filament clamp (2) and used for being matched with a wire drawing mechanism to tension the metal wire.
6. The wire-cut electrical discharge apparatus for metal wire according to claim 1, wherein: the wire drawing mechanism comprises a metal wire clamping mouth (3-3), a locking piece (3-4) and a linear driving mechanism (3-5), the locking piece (3-4) is connected with the linear driving mechanism (3-5), and the locking piece (3-4) is used for controlling the metal wire clamping mouth (3-3) to clamp a metal wire.
7. The wire-cut electrical discharge apparatus for metal wire according to claim 6, wherein: the metal wire clamping mouth (3-3) is two elastic clamps which are rotatably connected, the front end of each elastic clamp is a clamping plate (3-3-1) for clamping a metal wire, the rear end of each elastic clamp is a tail part (3-3-2) for connecting the locking part (3-4), a spring is arranged between the two tail parts (3-3-2), and a taper hole in the locking part (3-4) is sleeved behind the tail parts (3-3-2) of the two elastic clamps, so that the clamping of the clamping plates (3-3-1) at the front ends of the two elastic clamps on the metal wire is realized by means of the tension of the linear driving mechanism (3-5).
8. The wire-cut electrical discharge apparatus for metal wire according to claim 7, wherein: the locking piece (3-4) is a cylindrical pipe, one end of the locking piece is connected with the action execution part of the linear driving mechanism (3-5), and the other end of the locking piece is provided with the taper hole.
9. The wire-cut electrical discharge apparatus for metal wire according to claim 7, wherein: two metal wire clamping mouths (3-3) are arranged, one of the metal wire clamping mouths is connected with the locking piece (3-4) and used for tensioning a metal wire, and the other metal wire clamping mouth is clamped on the metal wire between the tensioning mechanism (3-2) and the filament clamping device (2) in a loose state.
10. The wire-cut electrical discharge apparatus for metal wire according to claim 1, wherein: a probe (4-1) is arranged on an upper wire frame (1-2) of the wire cutting machine (1), and whether the width direction center lines of the cutting wire (1-1) and the linear through groove (2-5) on the filament fixture (2) coincide or not is determined through images collected by the probe (4-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249121.0U CN211938848U (en) | 2020-03-04 | 2020-03-04 | Wire cutting type shredding device for metal wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249121.0U CN211938848U (en) | 2020-03-04 | 2020-03-04 | Wire cutting type shredding device for metal wire |
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| Publication Number | Publication Date |
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| CN211938848U true CN211938848U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020249121.0U Active CN211938848U (en) | 2020-03-04 | 2020-03-04 | Wire cutting type shredding device for metal wire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111167972A (en) * | 2020-03-04 | 2020-05-19 | 海普半导体(洛阳)有限公司 | Wire cutting type shredding device for metal wire |
| CN114130922A (en) * | 2021-11-10 | 2022-03-04 | 吴肇鹏 | Automatic segmentation cutting equipment for long copper-plated fibers |
-
2020
- 2020-03-04 CN CN202020249121.0U patent/CN211938848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111167972A (en) * | 2020-03-04 | 2020-05-19 | 海普半导体(洛阳)有限公司 | Wire cutting type shredding device for metal wire |
| CN114130922A (en) * | 2021-11-10 | 2022-03-04 | 吴肇鹏 | Automatic segmentation cutting equipment for long copper-plated fibers |
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