CN210500428U - Nano carbon heating film roll cutting machine - Google Patents
Nano carbon heating film roll cutting machine Download PDFInfo
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- CN210500428U CN210500428U CN201921237183.3U CN201921237183U CN210500428U CN 210500428 U CN210500428 U CN 210500428U CN 201921237183 U CN201921237183 U CN 201921237183U CN 210500428 U CN210500428 U CN 210500428U
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- roller
- cutting
- slitting
- heating film
- film roll
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Abstract
The utility model discloses a nanometer carbon heating film rolls up film cutting machine, the load simulator comprises a case, install blade holder transverse guide in the machine case, slidable mounting has the branch cutter seat on the blade holder transverse guide, be connected with blade holder transverse drive device between machine case and the branch cutter seat, install on the branch cutter seat and cut the longitudinal rail, slidable mounting has the tool bit mount pad on cutting the longitudinal rail, be connected with mount pad longitudinal drive device between branch cutter seat and the tool bit mount pad, fixed mounting has the cutter head of cutting on the tool bit mount pad, still install the tool bit drive device who is connected with the cutter head transmission on the tool bit mount pad, be located the outside of blade holder transverse guide in the machine case and install the branch cutting roller, be connected with the roller drive device between the one end of branch cutting roller and the machine case, be connected with roller handling device between the other end of branch cutting roller; the utility model discloses simple structure, easy and simple to handle, low in production cost have realized the cutting automation process, can not only effectively promote cutting efficiency, guarantee product quality stable moreover.
Description
Technical Field
The utility model relates to a film cutting machine especially relates to a film cutting machine that is used for cutting nanometer carbon film book that generates heat.
Background
The heating film is a plane heating element composed of an electric insulating material and a heating resistance material packaged in the electric insulating material, is an emerging electric heating element in recent years, is manufactured by absorbing the characteristics of two electric heating elements of PTC and conductive coating, is mainly used for indoor heating and environmental temperature maintenance, and has the advantages of fast heat conduction, long service life (about 30-50 years), high electric energy conversion efficiency (up to 90 percent), small heat loss and the like. The heating film can be used in the field of house floor heating, household electric heaters, induction cookers and physical therapy devices, even sanitary ware can adopt the product, and the existing enterprises also research and develop the toilet mat with the heating film and can also be used as decorative products. The heating film is usually produced by rolling, and then the rolled heating film is cut according to the specification required by the product, and finally the finished product is obtained.
At present, in the prior art, the heating film cutting equipment mainly adopts manual tool setting feeding, which not only brings examination to the technology of an operator, but also is not beneficial to the market development of a manufacturing enterprise due to the defects of high production cost, unstable quality, weak market competitiveness and the like caused by the whole manual operation process of the operation process, so that the existing heating film cutting technology is necessary to be further improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure, easy and simple to handle, can realize automatically cutting the book, be used for promoting cutting efficiency, guarantee that the stable nanometer carbon of product quality generates heat the membrane and rolls up and cut membrane machine is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: the nano-carbon heating film roll cutting machine comprises a machine box, wherein a cutter holder transverse guide rail is arranged in the machine box, a cutter seat transverse driving device is connected between the case and the cutter seat, a slitting longitudinal guide rail is arranged on the slitting cutter holder, a cutter head mounting seat is slidably arranged on the slitting longitudinal guide rail, a longitudinal mounting seat driving device is connected between the slitting cutter seat and the cutter head mounting seat, a slitting cutter head is fixedly mounted on the cutter head mounting seat, the cutter head mounting seat is also provided with a cutter head driving device in transmission connection with the slitting cutter head, the cutting device is characterized in that a cutting roller is mounted on the outer side of the tool apron transverse guide rail in the case, a cutting roller driving device is connected between one end of the cutting roller and the case, and a cutting roller loading and unloading device is connected between the other end of the cutting roller and the case.
According to a preferable technical scheme, the tool apron transverse driving device comprises a tool apron transverse position adjusting screw rod, the sub-cutting tool apron is in threaded connection with the tool apron transverse position adjusting screw rod, and one end of the tool apron transverse position adjusting screw rod is connected to a power shaft of a tool apron position adjusting motor.
According to the preferable technical scheme, the mounting seat longitudinal driving device comprises a mounting seat longitudinal position adjusting screw rod, the tool bit mounting seat is in threaded connection with the mounting seat longitudinal position adjusting screw rod, and one end of the mounting seat longitudinal position adjusting screw rod is connected to a power shaft of a mounting seat position adjusting motor.
According to the preferable technical scheme, the cutter head driving device comprises a cutter head driving motor, a power shaft of the cutter head driving motor is in transmission connection with a gear box, and the slitting cutter head is fixedly installed on an output shaft of the gear box.
As a preferable technical scheme, the cutting roller driving device is a cutting roller driving motor fixedly installed on the chassis, and one end of the slitting roller is fixedly connected with an output shaft of the cutting roller driving motor.
According to a preferable technical scheme, the cutting roller loading and unloading device comprises a cutting roller loading and unloading support fixedly mounted on the case, a cutting roller loading and unloading arm is rotatably mounted on the cutting roller loading and unloading support, a cutting roller loading and unloading cylinder for driving the cutting roller loading and unloading arm to swing is connected between the case and the cutting roller loading and unloading arm, the other end of the cutting roller is detachably and rotatably connected to the cutting roller loading and unloading arm, and a cutting roller loading and unloading avoiding area is further arranged on one side, located on the cutting roller loading and unloading arm, of the case.
As a preferable technical scheme, a material receiving groove is arranged below the slitting roller in the machine box.
As a preferable technical scheme, the slitting roller is further provided with a locking ring for fixedly mounting the heating film roll on the slitting roller.
As a preferred technical scheme, dustproof telescopic curtains are connected between the slitting knife seat and the case and between the slitting knife seat and the knife head mounting seat.
As a preferable technical scheme, an automatic control system is further installed in the machine box, and the tool apron transverse driving device, the mounting seat longitudinal driving device, the tool bit driving device and the cutting roller assembling and disassembling device are all connected to the automatic control system.
By adopting the technical scheme, the nano-carbon heating film rolling and cutting machine comprises a machine box, a cutter holder transverse guide rail is arranged in the machine box, a cutter seat transverse driving device is connected between the case and the cutter seat, a slitting longitudinal guide rail is arranged on the slitting cutter holder, a cutter head mounting seat is slidably arranged on the slitting longitudinal guide rail, a longitudinal mounting seat driving device is connected between the slitting cutter seat and the cutter head mounting seat, a slitting cutter head is fixedly mounted on the cutter head mounting seat, the cutter head mounting seat is also provided with a cutter head driving device in transmission connection with the slitting cutter head, a slitting roller is arranged on the outer side of the cutter holder transverse guide rail in the case, a cutting roller driving device is connected between one end of the slitting roller and the case, and a cutting roller loading and unloading device is connected between the other end of the slitting roller and the case; the cutting roller loading and unloading device is used for loading and unloading the heating film roll, the heating film roll is installed on the slitting roller during cutting, and the slit heating film roll is taken down from the slitting roller after cutting; the transverse and longitudinal positions of the slitting tool bit can be adjusted by controlling the tool holder transverse driving device and the mounting seat longitudinal driving device, so that the slitting tool bit can freely move in a two-dimensional space, is used for adjusting the relative position between the slitting tool bit and a heating film roll, and can be used for cutting heating film rolls with different widths and different diameters and controlling the feed amount of the slitting tool bit; when the cutting device works, the cutting roller driving device drives the cutting roller to rotate, so that the heating film roll arranged on the cutting roller rotates, and then the cutter head driving device works to drive the cutting cutter head to rotate to cut the heating film roll arranged on the cutting roller; the utility model has the advantages that: the utility model has the advantages of being simple in structure and simple in operation, low in production cost through the automatic control mode, has realized cutting automation process, alleviates cutting workman's intensity of labour, compares with prior art, can not only effectively promote cutting efficiency, guarantees product quality stable moreover.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is an enlarged schematic view at B of FIG. 1;
fig. 4 is a schematic structural view of another angle of the embodiment of the present invention;
in the figure: 1-a chassis; 2-a tool apron transverse guide rail; 3-dividing the cutter holder; 4-slitting the longitudinal guide rail; 5-a tool bit mounting seat; 6-slitting cutter heads; 7-slitting roller; 8-heating film roll; 9-a cutter holder transverse position-adjusting screw rod; 10-a tool apron position adjusting motor; 11-a longitudinal positioning screw rod of the mounting seat; 12-a mounting seat positioning motor; 13-a cutter head drive motor; 14-a gearbox; 15-cutting roller driving motor; 16-cutting roll loading and unloading support; 17-a cutting roll loading and unloading arm; 18-cutting roller loading and unloading cylinder; 19-cutting roller loading and unloading avoidance area; 20-material receiving groove; 21-a locking ring; 22-dustproof retractable curtain.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 to 4, the nanocarbon heating film roll film cutting machine comprises a machine case 1, a cutter holder transverse guide rail 2 is installed in the machine case 1, a slitting cutter holder 3 is slidably installed on the cutter holder transverse guide rail 2, a cutter holder transverse driving device is connected between the machine case 1 and the slitting cutter holder 3, a slitting longitudinal guide rail 4 is installed on the slitting cutter holder 3, a cutter head installation seat 5 is slidably installed on the slitting longitudinal guide rail 4, an installation seat longitudinal driving device is connected between the slitting cutter holder 3 and the cutter head installation seat 5, a slitting cutter head 6 is fixedly installed on the cutter head installation seat 5, a cutter head driving device in transmission connection with the slitting cutter head 6 is further installed on the cutter head installation seat 5, a slitting roller 7 is installed on the outer side of the cutter holder transverse guide rail 2 in the machine case 1, and a cutting roller driving device is connected between one end of the slitting roller 7 and the machine case 1, and a cutting roller loading and unloading device is connected between the other end of the cutting roller 7 and the case 1. The cutting roller assembling and disassembling device is used for assembling and disassembling the heating film roll 8, the heating film roll 8 is installed on the slitting roller 7 during cutting, and the slit heating film roll 8 is taken down from the slitting roller 7 after cutting; by controlling the tool apron transverse driving device and the mounting seat longitudinal driving device, the transverse and longitudinal positions of the slitting tool bit 6 can be adjusted, so that the slitting tool bit 6 can freely move in a two-dimensional space, the relative position between the slitting tool bit 6 and the heating film roll 8 can be adjusted, the heating film rolls 8 with different widths and different diameters can be cut, and the feed amount of the slitting tool bit 6 can be controlled; when the cutting device works, the cutting roller driving device drives the slitting roller 7 to rotate, so that the heating film roll 8 arranged on the slitting roller 7 rotates, then the cutter head driving device works to drive the slitting cutter head 6 to rotate, and the heating film roll 8 arranged on the slitting roller 7 is cut; the utility model has the advantages of being simple in structure and simple in operation, low in production cost through the automatic control mode, has realized cutting automation process, alleviates cutting workman's intensity of labour, compares with prior art, can not only effectively promote cutting efficiency, guarantees product quality stable moreover.
Referring to fig. 1 and 3, the tool apron transverse driving device comprises a tool apron transverse position adjusting screw rod 9, the slitting tool apron 3 is connected with the tool apron transverse position adjusting screw rod 9 in a threaded manner, one end of the cutter holder transverse position adjusting screw rod 9 is connected to a power shaft of a cutter holder position adjusting motor 10, the cutter seat position adjusting motor 10 is fixedly arranged on the case 1, the other end of the cutter seat transverse position adjusting screw rod 9 is rotatably arranged on the case 1, the cutter seat position adjusting motor 10 works, the power shaft rotates, the cutter seat transverse position adjusting screw rod 9 rotates along with the cutter seat, so that the slitting knife seat 3 which is threaded on the knife seat transverse position adjusting screw rod 9 slides transversely along the knife seat transverse guide rail 2, the transverse adjustment of the slitting cutter head 6 can be realized, so that the slitting cutter head 6 corresponds to the heating film roll 8, and the cutting width is adjusted through adjustment; the tool apron positioning motor 10 is a prior art, and belongs to a technology known to a person skilled in the art.
Referring to fig. 1 and 3, the longitudinal mounting seat driving device includes a longitudinal mounting seat position adjusting screw rod 11, the tool bit mounting seat 5 is in threaded connection with the longitudinal mounting seat position adjusting screw rod 11, one end of the longitudinal mounting seat position adjusting screw rod 11 is connected to a power shaft of a longitudinal mounting seat position adjusting motor 12, the longitudinal mounting seat position adjusting motor 12 is fixedly mounted on the slitting knife holder 3, and the other end of the longitudinal mounting seat position adjusting screw rod 11 is rotatably mounted on the slitting knife holder 3. The mounting seat position adjusting motor 12 works, the power shaft rotates, and the mounting seat longitudinal position adjusting screw rod 11 rotates along with the mounting seat longitudinal position adjusting screw rod, so that the cutter head mounting seat 5 which is arranged on the mounting seat longitudinal position adjusting screw rod 11 in a threaded mode is longitudinally adjusted along the slitting longitudinal guide rail 4, the longitudinal adjustment of the slitting cutter head 6 can be realized, and the feed amount of the slitting cutter head 6 is controlled; the mount positioning motor 12 is a stepper motor and is well known to those of ordinary skill in the art.
The cutter head driving device comprises a cutter head driving motor 13, a power shaft of the cutter head driving motor 13 is in transmission connection with a gear box 14, and the slitting cutter head 6 is fixedly installed on an output shaft of the gear box 14. The cutter head driving motor 13 rotates and drives the slitting cutter head 6 to rotate through the transmission of the gear box 14; the bit drive motor 13 is conventional and is well known to those of ordinary skill in the art.
The cutting roller driving device is a cutting roller driving motor 15 fixedly installed on the case 1, and one end of the slitting roller 7 is fixedly connected with an output shaft of the cutting roller driving motor 15. The cutting roller driving motor 15 rotates to drive the slitting roller 7 to rotate, and the heating film roll 8 arranged on the slitting roller 7 rotates along with the slitting roller; the cutting roll drive motor 15 is conventional and is well known to those of ordinary skill in the art.
Referring to fig. 2, the roller cutting and loading and unloading device comprises a roller cutting and loading and unloading support 16 fixedly mounted on the case 1, a roller cutting and loading and unloading arm 17 is rotatably mounted on the roller cutting and loading and unloading support 16, a roller cutting and loading and unloading cylinder 18 for driving the roller cutting and loading and unloading arm 17 to swing is connected between the case 1 and the roller cutting and loading and unloading arm 17, a cylinder body of the roller cutting and loading and unloading cylinder 18 is hinged to the case 1 through a hinged seat, a push rod of the roller cutting and loading and unloading cylinder 18 is hinged to the roller cutting and loading and unloading arm 17, the other end of the cutting roller 7 is detachably and rotatably connected to the roller cutting and loading and unloading arm 17, and a roller cutting and unloading avoiding area 19 is further arranged on one side of the roller cutting and loading and unloading arm 17 on the case 1, so that. Controlling the push rod of the cutting roller assembling and disassembling cylinder 18 to shorten, so that the cutting roller assembling and disassembling arm 17 rotates outwards, thus the end part of the cutting roller 7 is separated from the cutting roller assembling and disassembling arm 17, one end of the cutting roller 7 is fixedly connected with the output shaft of the cutting roller driving motor 15 at the moment, the other end of the cutting roller is suspended, then sleeving the heating film roll 8 on the cutting roller 7, then controlling the push rod of the cutting roller assembling and disassembling cylinder 18 to extend, so that the cutting roller assembling and disassembling arm 17 rotates inwards and is installed in cooperation with the end part of the cutting roller 7, and at the moment, the other end of the cutting roller 7 is rotatably installed on the cutting roller assembling and disassembling arm 17; the cutting roll loading and unloading cylinder 18 is prior art and is well known to those of ordinary skill in the art.
A material receiving groove 20 is formed in the case 1 and located below the slitting roller 7, waste material scraps can be generated in the cutting process, and the waste material scraps fall into the material borrowing groove, so that the collection is convenient.
The cutting roller 7 is further provided with a locking ring 21 used for fixedly mounting the heating film roll 8 on the cutting roller 7, after the heating film roll 8 is sleeved on the cutting roller 7, the heating film roll 8 is clamped by the locking ring 21 and is fixedly mounted on the cutting roller 7, and the heating film roll 8 is prevented from moving in the cutting process.
An automatic control system is further installed in the case 1, and the tool apron transverse driving device, the mounting seat longitudinal driving device, the tool bit driving device and the cutting roller loading and unloading device are all connected to the automatic control system. Automatic control system's setting can realize automatic cutout for easy and simple to handle, can reduce operating personnel's work, labour saving and time saving. The automatic control system is prior art, belongs to the technology known by ordinary engineers in the field, and is not described herein.
The working principle of the embodiment is as follows:
before cutting, firstly, the automatic control system controls the cutting roller loading and unloading device to shorten a push rod of the cutting roller loading and unloading cylinder 18, so that the cutting roller loading and unloading arm 17 rotates outwards, the end part of the cutting roller 7 is separated from the cutting roller loading and unloading arm 17, one end of the cutting roller 7 is fixedly connected with an output shaft of the cutting roller driving motor 15, the other end of the cutting roller is suspended, then a heating film roll 8 is sleeved on the cutting roller 7 and is fixed by a locking ring 21 to prevent the heating film roll 8 from moving in the cutting process, and then the push rod of the cutting roller loading and unloading cylinder 18 is controlled to extend to enable the cutting roller loading and unloading arm 17 to rotate inwards to be matched with the end part of the cutting roller 7, and at the moment, the other end of the cutting roller 7 is rotatably installed on the cutting roller loading and unloading arm 17;
then, the automatic control system controls the cutter holder position adjusting motor 10 to work, the power shaft rotates, and the cutter holder transverse position adjusting screw rod 9 rotates along with the cutter holder transverse position adjusting screw rod 9, so that the slitting cutter holder 3 which is installed on the cutter holder transverse position adjusting screw rod 9 in a threaded mode slides transversely along the cutter holder transverse guide rail 2, transverse adjustment of the slitting cutter head 6 can be achieved, the slitting cutter head 6 corresponds to the heating film roll 8, and the cutting width is adjusted through adjustment;
then, the automatic control system controls the mounting seat position adjusting motor 12 to work, the power shaft rotates, and the mounting seat longitudinal position adjusting screw rod 11 rotates along with the mounting seat longitudinal position adjusting screw rod, so that the cutter head mounting seat 5 which is installed on the mounting seat longitudinal position adjusting screw rod 11 in a threaded mode is longitudinally adjusted along the slitting longitudinal guide rail 4, the longitudinal adjustment of the slitting cutter head 6 can be realized, and the cutter feeding amount of the slitting cutter head 6 is controlled;
during the cutting, cut roller driving motor 15 and rotate, drive divide and cut roller 7 and rotate, install divide and cut the membrane book 8 that generates heat on the roller 7 and follow and rotate together, then through continuing to pass through mount pad longitudinal drive device with the fine setting of blade holder transverse drive device cut the position of tool bit 6 for it is in the cutting position and rolls up 8 contacts with the membrane that generates heat, then passes through automatic control system control tool bit driving motor 13 rotates, and drives through the 14 transmissions of gear box cut tool bit 6 and rotate, roll up 8 to the membrane that generates heat and cut, the cutting in-process constantly adjusts mount pad longitudinal drive device makes cut tool bit 6 feed, finally will generate heat the membrane and roll up 8 cutting completions.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. Nanocarbon heating film roll cutting machine, including quick-witted case, its characterized in that: install blade holder transverse guide in the machine case, slidable mounting has the branch cutter holder on the blade holder transverse guide, the machine case with be connected with blade holder transverse drive device between the branch cutter holder, install on the branch cutter holder and cut longitudinal rail, slidable mounting has the tool bit mount pad on cutting the longitudinal rail, divide the cutter holder with be connected with mount pad longitudinal drive device between the tool bit mount pad, fixed mounting has the cutter head of cutting on the tool bit mount pad, still install on the tool bit mount pad with the tool bit drive device that the tool bit transmission is connected cuts, quick-witted incasement is located divide the roller is installed in the outside of blade holder transverse guide, divide the one end of roller with be connected with roller drive device between the machine case, divide the other end of roller and be connected with roller handling device between the machine case.
2. The nanocarbon heating film roll cutting machine according to claim 1, characterized in that: the cutter holder transverse driving device comprises a cutter holder transverse position adjusting screw rod, the sub-cutting cutter holder is in threaded connection with the cutter holder transverse position adjusting screw rod, and one end of the cutter holder transverse position adjusting screw rod is connected to a power shaft of the cutter holder position adjusting motor.
3. The nanocarbon heating film roll cutting machine according to claim 1, characterized in that: the mounting seat longitudinal driving device comprises a mounting seat longitudinal position adjusting screw rod, the tool bit mounting seat is in threaded connection with the mounting seat longitudinal position adjusting screw rod, and one end of the mounting seat longitudinal position adjusting screw rod is connected to a power shaft of a mounting seat position adjusting motor.
4. The nanocarbon heating film roll cutting machine according to claim 1, characterized in that: the cutter head driving device comprises a cutter head driving motor, a power shaft of the cutter head driving motor is in transmission connection with a gear box, and the slitting cutter head is fixedly installed on an output shaft of the gear box.
5. The nanocarbon heating film roll cutting machine according to claim 1, characterized in that: the cutting roller driving device is a cutting roller driving motor fixedly installed on the case, and one end of the slitting roller is fixedly connected with an output shaft of the cutting roller driving motor.
6. The nanocarbon heating film roll cutting machine according to claim 1, characterized in that: the roller cutting loading and unloading device comprises a roller cutting loading and unloading support fixedly mounted on the case, a roller cutting loading and unloading arm is rotatably mounted on the roller cutting loading and unloading support, a roller cutting loading and unloading cylinder for driving the roller cutting loading and unloading arm to swing is connected between the case and the roller cutting loading and unloading arm, the other end of the slitting roller can be detachably and rotatably connected to the roller cutting loading and unloading arm, and a roller cutting loading and unloading avoiding area is further arranged on one side of the roller cutting loading and unloading arm on the case.
7. The nanocarbon heating film roll cutting machine according to claim 1, characterized in that: and a material receiving groove is formed in the case and is positioned below the slitting roller.
8. The nanocarbon heating film roll cutting machine according to claim 1, characterized in that: and the slitting roller is also provided with a locking ring for fixedly mounting the heating film roll on the slitting roller.
9. The nanocarbon heating film roll cutting machine according to claim 1, characterized in that: dustproof telescopic curtains are connected between the slitting knife seats and the case and between the slitting knife seats and the knife head mounting seats.
10. The nanocarbon exothermic film roll cutting machine according to any one of claims 1 to 9, wherein: the machine case is also internally provided with an automatic control system, and the tool apron transverse driving device, the mounting seat longitudinal driving device, the tool bit driving device and the cutting roller assembling and disassembling device are all connected to the automatic control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921237183.3U CN210500428U (en) | 2019-07-30 | 2019-07-30 | Nano carbon heating film roll cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921237183.3U CN210500428U (en) | 2019-07-30 | 2019-07-30 | Nano carbon heating film roll cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210500428U true CN210500428U (en) | 2020-05-12 |
Family
ID=70587076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921237183.3U Active CN210500428U (en) | 2019-07-30 | 2019-07-30 | Nano carbon heating film roll cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210500428U (en) |
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2019
- 2019-07-30 CN CN201921237183.3U patent/CN210500428U/en active Active
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