CN216648063U - Automatic stretching trimmer of duplex position coil - Google Patents
Automatic stretching trimmer of duplex position coil Download PDFInfo
- Publication number
- CN216648063U CN216648063U CN202220138097.2U CN202220138097U CN216648063U CN 216648063 U CN216648063 U CN 216648063U CN 202220138097 U CN202220138097 U CN 202220138097U CN 216648063 U CN216648063 U CN 216648063U
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- stretching
- shaping
- coil
- base plate
- withdrawing
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- 238000007493 shaping process Methods 0.000 claims abstract description 155
- 230000007246 mechanism Effects 0.000 claims abstract description 82
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000004804 winding Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The double-station automatic coil stretching and shaping machine comprises two stretching and shaping devices which are arranged side by side and used for stretching and shaping coils, wherein each stretching and shaping device comprises a stretching mechanism and a shaping mechanism, the stretching mechanism is used for stretching the coils, the shaping mechanisms are located above the stretching mechanisms and move to the stretching mechanisms in a reciprocating mode corresponding to the stretching mechanisms, and the shaping mechanisms are used for pressing and shaping the coils in the process that the stretching mechanisms stretch the coils. The double-station coil automatic stretching and shaping machine provided by the utility model has the advantages that the automation degree is high, the labor investment is reduced, and the production cost is reduced.
Description
Technical Field
The utility model relates to the field of coil processing, in particular to a double-station coil automatic stretching and shaping machine.
Background
In the increasingly rich current society of electronic products, the types of electronic products are increasing. The market demand of coils as an important component part among electronic components is increasing. Among them, the flat coil is a new type of coil, which has the advantages of light weight, high efficiency and capability of bearing larger current.
However, in the winding process, the winding process needs to be performed on the jig, so that the shape after winding is not very standard in the processing process, especially under the condition that an elliptical flat coil needs to be wound, the winding process needs to be stretched and shaped, and the wire diameter of the coil winding is short, so that the coil stretching and shaping process is often performed manually, so that the labor intensity of the input workers is high, the production cost is high, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide equipment for stretching and shaping coils, so that the production efficiency is improved.
The technical scheme adopted by the utility model for solving the technical problem is as follows:
the double-station automatic coil stretching and shaping machine is characterized by comprising two stretching and shaping devices which are arranged side by side and used for stretching and shaping coils, wherein each stretching and shaping device comprises a stretching mechanism and a shaping mechanism, the stretching mechanism is used for stretching the coils, the shaping mechanism is located above the stretching mechanism and moves to and fro in the direction of the stretching mechanism corresponding to the stretching mechanism, and the shaping mechanism is used for compressing and shaping the coils in the process of stretching the coils by the stretching mechanism, wherein:
the stretching mechanism comprises a stretching bottom plate, the stretching bottom plate is used for placing coils, two stretching blocks which are mutually arranged side by side and used for sleeving the coils are arranged on the top surface of the stretching bottom plate, and the two stretching blocks are arranged in a sliding mode along the parallel direction of the stretching blocks;
the shaping mechanism comprises a shaping pressing plate corresponding to the stretching base plate and a shaping driving assembly for driving the shaping pressing plate to reciprocate towards the stretching base plate, the shaping pressing plate presses the stretching base plate of the stretching coil under the driving action of the shaping driving assembly to shape the coil, and a sliding groove for accommodating the stretching block is formed in one surface of the shaping pressing plate corresponding to the stretching base plate.
Furthermore, a stretching groove is formed in the stretching bottom plate along the two stretching blocks in the side-by-side direction, and the two stretching blocks are arranged in a sliding mode along the stretching groove.
Further, the stretching mechanism is including driving two stretching block is followed stretching groove slides in opposite directions and is located stretching drive assembly of bottom plate below, stretching drive assembly is including stretch motor, stretch motor output shaft fixedly connected with is by its drive pivoted tensile lead screw, the cover is equipped with two nuts rather than constituting the screw thread pair on the tensile lead screw, and two the internal thread of nut revolves to opposite, makes two the nut is followed stretch lead screw rotates and is close to each other or keep away from, and two the nut top surface respectively with two stretch block fixed connection supplies the drive two stretch block is followed stretching groove is close to each other or is kept away from.
Furthermore, the shaping driving component comprises a shaping slide rail arranged in the vertical direction, and a shaping slide block which forms a sliding pair with the shaping slide rail is arranged on the shaping slide rail; the shaping driving assembly further comprises a shaping driving motor, an output shaft of the shaping driving motor is fixedly connected with a shaping screw rod parallel to the shaping slide rail, and a threaded hole in threaded connection with the shaping screw rod is formed in the shaping sliding block, so that the shaping sliding block moves linearly in a reciprocating manner along with the rotation of the shaping screw rod; the shaping pressing plate is connected with the shaping sliding block, so that the shaping pressing plate is driven by the shaping sliding block to move in a reciprocating mode in the vertical direction.
Furthermore, two limit blocks are arranged in the sliding groove of the shaping pressing plate, and limit the maximum opposite sliding strokes of the stretching blocks.
Furthermore, a first heating hole is formed in the shaping pressing plate, a first heating resistor is arranged in the first heating hole, and the shaping pressing plate is heated through heat radiation.
Furthermore, a second heating hole is formed in the stretching bottom plate, a second heating resistor is arranged in the second heating hole, and the stretching bottom plate is heated through heat radiation.
Further, the stretching mechanism further comprises an withdrawing assembly, the withdrawing assembly is used for driving the stretching bottom plate to withdraw from a position corresponding to the shaping mechanism so as to be convenient for clamping or placing the coil, and the withdrawing assembly comprises:
the withdrawing bottom plate is fixedly arranged at the bottom of the stretching driving assembly, and the bottom surface of the withdrawing bottom plate is connected with a withdrawing slide rail which extends to the direction far away from the position corresponding to the shaping mechanism in a sliding manner;
the withdrawing cylinder is characterized in that the extending direction of a piston rod of the withdrawing cylinder is parallel to the withdrawing slide rail, a cylinder body/piston rod of the withdrawing cylinder is fixedly connected to the withdrawing bottom plate, and the piston rod/cylinder body of the withdrawing cylinder is fixedly arranged at a position, far away from the stretching mechanism, corresponding to the shaping mechanism.
The coil taking device is characterized by further comprising a taking mechanism, wherein the taking mechanism is located above the stretching mechanism after the stretching mechanism is withdrawn from the position opposite to the shaping mechanism, the taking mechanism is provided with a taking cylinder extending out of the piston rod downwards, and a taking pneumatic clamp used for clamping a coil is fixedly mounted on the taking cylinder. Compared with the prior art, the utility model has the beneficial effects that:
the double-station automatic coil stretching and shaping machine provided by the embodiment of the utility model adopts the two stretching and shaping devices which are arranged side by side at the same time to respectively stretch and shape the coil, so that the production and processing efficiency is doubled, and the stretching mechanism and the shaping mechanism which interact are adopted to simultaneously complete the stretching and pressing and shaping work on the coil, so that the production efficiency is higher, the surface of the coil can be ensured to be flattened in the process of stretching the coil, the yield of the coil processed by the coil is higher, the automation degree of the device is high, the labor investment can be greatly reduced, the production cost investment is reduced, and the production efficiency is improved.
The utility model is further described with reference to the drawings and embodiments in the following description.
Drawings
FIG. 1 is a schematic diagram of the present invention.
Fig. 2 is a first schematic diagram of the present invention with the cover removed.
FIG. 3 is a second schematic diagram of the present invention with the cover removed.
Fig. 4 is a schematic structural view of the stretch-shaping device of the present invention.
Fig. 5 is a schematic diagram of an exploded structure of the stretch-shaping device of the present invention.
Fig. 6 is a schematic view of the drawing mechanism of the present invention.
Fig. 7 is an exploded view of the stretching mechanism of the present invention.
FIG. 8 is a schematic view of the bottom surface of the reforming platen of the present invention.
Fig. 9 is a schematic view of the shaping mechanism of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions of "first", "second", and the like provided in the embodiments of the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Referring to fig. 1-9, an embodiment of the present invention provides a double-station coil automatic stretch trimmer for trimming a flat coil to shape the flat coil into a racetrack shape, as shown in fig. 1-3, the double-station coil automatic stretch trimmer includes two stretch trimmers 10 arranged side by side, so that two processing stations can be simultaneously arranged for processing, the overall work efficiency is improved, and accordingly, three or even a plurality of stretch trimmers 10 can be further arranged to further increase the efficiency.
As shown in fig. 4-5, each stretch-shaping device 10 includes a stretching mechanism 100 and a shaping mechanism 200, wherein the stretching mechanism 100 is used for stretching the already-wound coil to straighten the loose coil; the shaping mechanism 200 is located above the stretching mechanism 100 and moves back and forth towards the stretching mechanism 100, the coil located in the stretching mechanism 100 is pressed while the stretching mechanism 100 stretches the coil, the coil is pressed while being stretched, therefore, the loose winding of the stretched coil can be tensioned, the surface of the loose winding can be pressed into a plane, and the stretching and shaping work is completed.
As shown in fig. 6, the stretching mechanism 100 includes a stretching base plate 110, the stretching base plate 110 is used for placing a loop, two stretching blocks 111 arranged side by side are disposed on a top surface of the stretching base plate 110, the two stretching blocks 111 are slidably disposed along a side-by-side direction, at this time, the loop sleeved on the two stretching blocks 111 stretches the loop when the two stretching blocks 111 slide back to back.
As shown in fig. 8-9, the shaping mechanism 200 includes a shaping pressing plate 210 corresponding to and above the stretching base plate 110 and a shaping driving assembly 220 for driving the shaping pressing plate 210 to reciprocate toward the stretching base plate 110, so that the shaping pressing plate 210 presses the stretching base plate 110, on which the coil is sleeved and stretched, under the driving of the shaping driving assembly 220, thereby shaping the surface of the coil stretched thereon. Wherein a sliding groove 211 is provided behind a surface of the shaping platen 210 corresponding to the stretching base plate 110 as shown in fig. 8, the sliding groove 211 being used to receive the stretching block 111 therein, so that the surfaces of the shaping platen 210 and the stretching base plate 110 can be brought into contact with each other, thereby clamping the coil located therebetween.
In the process of stretching and shaping, the coil is sleeved on the stretching block 111, the shaping press plates 210 are correspondingly stacked on the stretching base plate 110 under the driving of the shaping driving assembly 220, the shaping driving assembly 220 drives the shaping press plates 210 to press the coil sleeved on the stretching block 111, at this time, the stretching block 111 moves back and forth in the sliding groove 211 on the shaping press plates 210, so that the pressed coil is stretched, the loose winding of the coil is tensioned, the runway-type coil is integrally formed, and the surface of the coil is flattened under the clamping action of the shaping press plates 210, so that the coil is shaped.
In the embodiment, as shown in fig. 7, a stretching slot 112 is also formed on the stretching base plate 110, and the stretching slot 112 is formed along the direction in which the two stretching blocks 111 are arranged side by side, so that the stretching slot 112 can slide along the interior of the stretching slot 112; meanwhile, as shown in fig. 7, the stretching mechanism 100 further includes a stretching driving assembly 120 located below the stretching base plate 110 for driving the two stretching blocks 111 to reciprocate in the stretching slot 112, the stretching driving assembly 120 includes a stretching motor 121, an output shaft of the stretching motor 121 is fixedly connected to a stretching screw 122 driven to rotate by the stretching motor, two nuts 123 forming a thread pair with the stretching screw 122 are sleeved on the stretching screw 122, and the turning directions of the internal threads of the two nuts 123 are opposite, so that the two nuts 123 approach or separate from each other along with the rotation of the stretching screw 122, and meanwhile, the two nuts 123 are respectively connected to the two stretching blocks 111, so that the two stretching blocks 111 are driven to approach or separate from each other in the stretching slot 112.
Under the drive of stretching motor 121, two nuts 123 drive two stretching blocks 111 to be close to each other respectively, press close to each other from it or both intervals are less to be convenient for suit the coil on two stretching blocks 111, at this moment, stretching motor 121 overturns, drives stretching screw 122 antiport, makes two nuts 123 move back and forth mutually, thereby makes two stretching blocks 111 keep away from each other, stretches the coil of suit on two stretching blocks 111 in proper order, accomplishes tensile action.
In an embodiment, as shown in fig. 9, the shaping driving assembly 220 is used to drive the shaping press plate 210 to move toward the stretching base plate 110 and press the shaping press plate onto the stretching base plate 110, so as to clamp the stretched coil and flatten the surface of the stretched coil. The shaping device comprises a shaping slide rail 221 arranged in the vertical direction, a shaping slide block 222 forming a sliding pair with the shaping slide rail 221 is arranged on the shaping slide rail 221, and meanwhile, the shaping device further comprises a shaping driving motor 223, an output shaft of the shaping driving motor 223 is fixedly connected with a shaping screw rod 224 parallel to the shaping slide rail 221 for one month, a threaded hole in threaded connection with the shaping screw rod 224 is formed in the shaping slide block 222, so that the shaping screw rod 224 of the shaping slide block 222 rotates to move in a reciprocating linear mode, wherein a shaping press plate 210 is fixedly connected with the shaping slide block 222, and a forward press plate can move in a reciprocating mode in the vertical direction under the driving of the shaping slide block 222. That is, the shaping press plate 210 is driven by the shaping driving motor 223 to reciprocate along the direction of the shaping slide rail 221, so as to be stacked on the stretching base plate 110 located therebelow, and to press the coil sleeved on the stretching block 111, so that the surface of the coil is flattened during the process of stretching the coil, thereby completing the shaping.
In an embodiment, two limit blocks 212 are further disposed in the sliding groove 211 of the shaping pressing plate 210, as shown in fig. 8, when the stretching block 111 extends into the sliding groove 211, the limit blocks 212 limit the maximum distance of the two limit blocks 212 interacting with each other, so as to prevent the two stretching blocks from moving too far away from each other, and breaking the winding of the coil.
In an embodiment, as shown in fig. 8, a first heating hole 213 is further formed on the shaping platen 210, and a first heating resistor (not shown) is disposed in the first heating hole 213, so that the whole shaping platen 210 is heated by heat radiation of the first heating resistor, and the coil is heated in the process that the shaping platen 210 is stacked on the stretching base plate 110 to press the coil, so that the coil is easier to form and shape.
As shown in fig. 7, a second heating hole 113 is formed in the upper portion of the stretching base plate 110, a second heating resistor (not shown) is installed in the second heating hole 113, and the entire stretching base plate 110 is heated by heat radiation of the second heating resistor, so that the coil is heated while the shaping platen 210 and the stretching base plate 110 clamp, stretch and compress the coil, and the coil can be stretched and shaped in a heated state, thereby ensuring the integrity of the coil.
In order to facilitate the coil placement on the stretching base plate 110 and the coil stretch-formed on the stretching base plate 110 to be taken out, an withdrawing assembly 130 is further disposed on the stretching mechanism 100, so that the stretching base plate 110 is withdrawn from a position corresponding to the shaping mechanism 200, thereby facilitating the coil placement on the stretching base plate 110, as shown in fig. 5, the withdrawing assembly 130 includes a withdrawing base plate 131, the withdrawing base plate 131 is fixedly mounted at the lower bottom of the stretching driving assembly 120, that is, the stretching motor 121 and the stretching screw 122 of the stretching driving assembly 120 are mounted on the withdrawing base plate 131, so as to drive the stretching base plate 110 to move together with the withdrawing base plate 131, and simultaneously, a withdrawing slide rail 132 extending in a direction away from the position corresponding to the shaping mechanism 200 is slidably connected to the bottom surface of the withdrawing base plate 131; the drawing mechanism also comprises an exiting cylinder 133, the extending direction of a piston rod of the exiting cylinder 133 is parallel to the length direction of the exiting slide rail 132, a cylinder body or a piston rod of the exiting cylinder 133 is fixedly arranged on the exiting bottom plate 131, and the piston rod or the cylinder body of the exiting cylinder 133 is fixedly arranged at a position, far away from the stretching mechanism 100, corresponding to the shaping mechanism 200, so that the exiting bottom plate 131 is driven to exit from the position corresponding to the shaping mechanism 200 by a pushing cylinder, and coils on the stretching bottom plate 110 can be conveniently taken and placed.
As shown in fig. 3, since the coil after being stretched and shaped still has a high temperature after being heated, an operator can easily get the coil scalded when taking out the coil on the stretching base plate 110 manually, so that the stretching and shaping machine further has a material taking mechanism 300, which is convenient for automatically taking and clamping the coil after being stretched and shaped on the stretching base plate 110, wherein the material taking mechanism 300 is provided with a material taking cylinder 301 extending a piston rod downwards after the stretching mechanism 100 exits from the upper part corresponding to the shaping mechanism 200, and a material taking pneumatic clamp 302 for taking and clamping the coil is fixedly mounted on the piston rod of the material taking cylinder 301, so that the coil after being stretched and pressed and shaped on the stretching base plate 110 is taken and clamped, thereby avoiding the operator from being scalded and improving the efficiency of production and processing.
Various other modifications and alterations of the disclosed structure and principles of the utility model will become apparent to those skilled in the art from this disclosure, and all such modifications and alterations are intended to be within the scope of the utility model.
Claims (9)
1. The double-station automatic coil stretching and shaping machine is characterized by comprising two stretching and shaping devices which are arranged side by side and used for stretching and shaping coils, wherein each stretching and shaping device comprises a stretching mechanism and a shaping mechanism, the stretching mechanism is used for stretching the coils, the shaping mechanism is located above the stretching mechanism and moves to and fro in the direction of the stretching mechanism corresponding to the stretching mechanism, and the shaping mechanism is used for compressing and shaping the coils in the process of stretching the coils by the stretching mechanism, wherein:
the stretching mechanism comprises a stretching bottom plate, the stretching bottom plate is used for placing coils, two stretching blocks which are mutually arranged side by side and used for sleeving the coils are arranged on the top surface of the stretching bottom plate, and the two stretching blocks are arranged in a sliding mode along the parallel direction of the stretching blocks;
the shaping mechanism comprises a shaping pressing plate corresponding to the stretching base plate and a shaping driving assembly for driving the shaping pressing plate to reciprocate towards the stretching base plate, the shaping pressing plate presses the stretching base plate of the stretching coil under the driving action of the shaping driving assembly to shape the coil, and a sliding groove for accommodating the stretching block is formed in one surface of the shaping pressing plate corresponding to the stretching base plate.
2. The double-station coil automatic stretching shaper according to claim 1, wherein a stretching groove is formed in the stretching base plate along the direction in which the two stretching blocks are arranged side by side, and the two stretching blocks are slidably arranged along the stretching groove.
3. The double-station coil automatic stretching shaper according to claim 2, wherein the stretching mechanism comprises a stretching driving assembly for driving the two stretching blocks to slide in opposite directions along the stretching groove and located below the stretching base plate, the stretching driving assembly comprises a stretching motor, an output shaft of the stretching motor is fixedly connected with a stretching screw rod driven to rotate by the stretching motor, two nuts forming a screw pair with the stretching screw rod are sleeved on the stretching screw rod, the rotation directions of internal threads of the two nuts are opposite, so that the two nuts are close to or far away from each other along with the rotation of the stretching screw rod, and the top surfaces of the two nuts are respectively fixedly connected with the two stretching blocks for driving the two stretching blocks to close to or far away from each other along the stretching groove.
4. The double-station coil automatic stretching shaper according to claim 1, wherein the shaping driving assembly comprises a shaping slide rail arranged in a vertical direction, and a shaping slide block forming a sliding pair with the shaping slide rail is arranged on the shaping slide rail; the shaping driving assembly further comprises a shaping driving motor, an output shaft of the shaping driving motor is fixedly connected with a shaping screw rod parallel to the shaping slide rail, and a threaded hole in threaded connection with the shaping screw rod is formed in the shaping sliding block, so that the shaping sliding block moves linearly in a reciprocating manner along with the rotation of the shaping screw rod; the shaping pressing plate is connected with the shaping sliding block, so that the shaping pressing plate is driven by the shaping sliding block to move in a reciprocating mode in the vertical direction.
5. The double-station coil automatic stretching shaper according to claim 1, wherein two limiting blocks are disposed in the sliding groove of the shaping pressing plate, and the two limiting blocks limit the maximum stroke of the stretching blocks in opposite sliding.
6. The double-station coil automatic stretching shaper according to claim 1, wherein the shaping press plate is further provided with a first heating hole, a first heating resistor is arranged in the first heating hole, and the shaping press plate is heated by heat radiation.
7. The double-station coil automatic stretching shaper according to claim 1, wherein a second heating hole is formed on said stretching base plate, a second heating resistor is installed in said second heating hole, and said stretching base plate is heated by heat radiation.
8. The double-station coil automatic stretching shaper according to claim 3, wherein the stretching mechanism further comprises an withdrawing assembly for driving the stretching base plate to withdraw from a position corresponding to the shaping mechanism so as to clamp or place the coil, wherein the withdrawing assembly comprises:
the withdrawing base plate is fixedly arranged at the bottom of the stretching driving assembly, and the bottom surface of the withdrawing base plate is connected with a withdrawing slide rail which extends to the direction far away from the position corresponding to the shaping mechanism in a sliding manner;
the extending direction of a piston rod of the withdrawing cylinder is parallel to the withdrawing slide rail, a cylinder body/piston rod of the withdrawing cylinder is fixedly connected onto the withdrawing bottom plate, and the piston rod/cylinder body of the withdrawing cylinder is fixedly arranged at a position, far away from the shaping mechanism, of the stretching mechanism.
9. The double-station automatic coil stretching and shaping machine according to claim 8, further comprising a material taking mechanism, wherein the material taking mechanism is located above the stretching mechanism after the stretching mechanism is withdrawn from the position opposite to the shaping mechanism, the material taking mechanism is provided with a material taking cylinder with a piston rod extending downwards, and the material taking cylinder is fixedly provided with a material taking pneumatic clamp for clamping a coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220138097.2U CN216648063U (en) | 2022-01-19 | 2022-01-19 | Automatic stretching trimmer of duplex position coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220138097.2U CN216648063U (en) | 2022-01-19 | 2022-01-19 | Automatic stretching trimmer of duplex position coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216648063U true CN216648063U (en) | 2022-05-31 |
Family
ID=81728839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220138097.2U Expired - Fee Related CN216648063U (en) | 2022-01-19 | 2022-01-19 | Automatic stretching trimmer of duplex position coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216648063U (en) |
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2022
- 2022-01-19 CN CN202220138097.2U patent/CN216648063U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |