CN210617358U - Plastic film heat treatment device - Google Patents
Plastic film heat treatment device Download PDFInfo
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- CN210617358U CN210617358U CN201921555428.7U CN201921555428U CN210617358U CN 210617358 U CN210617358 U CN 210617358U CN 201921555428 U CN201921555428 U CN 201921555428U CN 210617358 U CN210617358 U CN 210617358U
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- heat treatment
- plastic film
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Abstract
The utility model relates to the technical field of accessories of plastic film processing equipment, in particular to a plastic film heat treatment device, which leads the plastic film in a heat treatment box to be always in a stretched state by adding a limiting mechanism for a feeding mechanism, namely leads the distance between the plastic film and two groups of electric heating mechanisms to be the same, thus improving the equal degree of heating of the top end and the bottom end of the plastic film and improving the heat treatment effect of the plastic film; the device comprises a workbench, four groups of supporting legs, a heat treatment box, two groups of electric heating mechanisms, a feeding mechanism and a material receiving mechanism, wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench are respectively connected with the top ends of the four groups of supporting legs, and a working cavity is arranged in the heat treatment box; the feeding mechanism is provided with two groups of supporting rods, and the bottom end of the mounting plate is connected with the right side of the top end of the front supporting rod.
Description
Technical Field
The utility model relates to a plastic film processing equipment auxiliary device's technical field especially relates to a plastic film heat treatment device.
Background
As is well known, in order to remove internal stress of a plastic film during a production process of the plastic film, a heat treatment needs to be performed on the plastic film, wherein a heat treatment apparatus for the plastic film is a device for performing a heat treatment on the plastic film during the production process of the plastic film, and is widely used in the field of plastic film production; the existing plastic film heat treatment device comprises a workbench, four groups of supporting legs, a heat treatment box, two groups of electric heating mechanisms, a feeding mechanism and a material receiving mechanism, wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench are respectively connected with the top ends of the four groups of supporting legs; when the existing plastic film heat treatment device is used, firstly, a shaft-mounted plastic film to be subjected to heat treatment is installed on a feeding mechanism, then, the extending end of the shaft-mounted plastic film penetrates through a heat treatment box and is guided by two groups of guide roller assemblies, then, a new reel is installed on a material receiving mechanism, and the extending end of the shaft-mounted plastic film is fixed on the new reel, so that two groups of electric heating mechanisms can be started to enable the two groups of electric heating mechanisms to reach a set temperature value, the plastic film in a working cavity starts to be subjected to heat treatment at the moment, meanwhile, the material receiving mechanism is started to enable the material receiving mechanism to drive the new reel to rotate to roll the plastic film which is subjected to heat treatment, and under the pulling of the material receiving mechanism, the shaft-mounted plastic film on the feeding; the existing plastic film heat treatment device is found in use, because the feeding mechanism is not provided with the limiting mechanism, the friction resistance of the feeding mechanism to the shaft-mounted plastic film is very small, the plastic films which are subjected to heat treatment in the inner sides of the two groups of guide rollers of the working cavity can obviously droop, the distance between the plastic film in the working cavity and the two groups of electric heating mechanisms is not uniform, namely the heating uniformity of the top end and the bottom end of the plastic film is poor, the heat treatment effect is reduced, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a set up stop gear for feeding mechanism for the plastic film of heat treatment incasement is in the state of stretching straight all the time, even it is the same apart from two sets of electric heating mechanism to get the plastic film, has consequently improved the top of plastic film and the equal and degree of being heated of bottom, therefore has improved the thermal treatment effect of plastic film, thereby strengthens the plastic film heat treatment device of practicality.
The utility model discloses a plastic film heat treatment device, which comprises a workbench, four groups of supporting legs, a heat treatment box, two groups of electric heating mechanisms, a feeding mechanism and a material receiving mechanism, the left front side, the left back side, the right front side and the right back side of the bottom end of the workbench are respectively connected with the top ends of the four groups of supporting legs, the bottom end of the heat treatment box is connected with the middle part of the top end of the workbench, a working chamber is arranged inside the heat treatment box, the left end and the right end of the working chamber are respectively communicated with a feeding port and a discharge port, the left end and the right end of the working chamber are respectively provided with two groups of guide roller assemblies in a rotating manner, the fixed ends of the two groups of electric heating mechanisms are respectively connected with the top end and the bottom end of the working chamber, the feeding; also comprises a mounting plate, a supporting plate, an adjusting threaded rod, a limiting spring, an adjusting threaded ring, a limiting plate and a guard bar, the feeding mechanism is provided with two groups of supporting rods, the bottom end of the mounting plate is connected with the right side of the top end of the front side supporting rod, the top end of the mounting plate is connected with the right side of the bottom end of the supporting plate, the middle part of the top end of the supporting plate is provided with a telescopic hole in a penetrating way, the telescopic hole is sleeved with the adjusting threaded rod in a sliding way, the bottom end of the adjusting threaded rod is connected with the middle part of the top end of the limiting plate, the adjusting threaded ring is screwed with the adjusting threaded rod, the limit spring is sleeved with the adjusting threaded rod, the bottom end and the top end of the limiting spring are respectively clung to the top end of the adjusting threaded ring and the bottom end of the supporting plate, the left end of protective rod is connected with the right-hand member of limiting plate, the left end of mounting panel is provided with the protection spout, the right-hand member slip of protection spout and protective rod clamps.
The utility model discloses a plastic film heat treatment device, still include drive piece, spool and pin, receiving agencies is provided with motor power and two sets of locating plates, and the rear end of rear locating plate runs through and is provided with the hole of stretching out, and the front end of motor power is connected with the rear end of rear locating plate, the output of motor power passes the hole of stretching out and stretches out to the inboard of two sets of locating plates from the rear side of rear locating plate, motor power's output is connected with the rear end of drive piece, the lateral wall of drive piece evenly is provided with six arriss, the rear end of spool is provided with hexagonal type draw-in groove, hexagonal type draw-in groove and drive piece slip clamp, and the front end top of front locating plate runs through and is provided with U type groove, the front region of spool rotates with U type groove and clamps, the top of pin is fastened with the front end upper right portion region of front locating plate and is articulated, the bottom region of the bar is located on the front side of the reel.
The utility model discloses a plastic film heat treatment device still includes the pin rod, the right-hand member of protection pole is provided with the cotter way, the regional intercommunication in right-hand member top of protection spout is provided with the pinhole, the left end of pin rod is from the right side sliding insertion of mounting panel to the pinhole in.
The utility model discloses a plastic film heat treatment device still includes the handle, the left end of handle is connected with the right-hand member of pin rod.
The utility model discloses a plastic film heat treatment device still includes the retaining ring, the regional intercommunication in inside wall left part of pinhole is provided with the protecting groove, the retaining ring slides with the protecting groove and clamps, the regional fixed suit in left part of retaining ring and pin rod.
The utility model discloses a plastic film heat treatment device still includes the regulation and control handle, the bottom of regulation and control handle is connected with adjusting threaded rod's top.
The utility model discloses a plastic film heat treatment device still includes the slipmat, the top of slipmat is connected with the bottom of limiting plate.
The utility model discloses a plastic film heat treatment device still includes the antiskid cover, the fixed suit of antiskid cover and regulation screw ring.
Compared with the prior art, the beneficial effects of the utility model are that: firstly, a worker lifts an adjusting threaded rod to enable a limiting plate to move upwards, after a scroll of a shaft-mounted plastic film is installed at the top of a feeding mechanism, the lifting of the adjusting threaded rod is stopped, then a limiting spring pushes the adjusting threaded rod to move downwards quickly through an adjusting threaded ring, meanwhile, the adjusting threaded rod extrudes the limiting plate at the top end of the front area of the scroll of the shaft-mounted plastic film, then the worker rotates the shaft-mounted plastic film to sense the rotation resistance of the shaft-mounted plastic film, simultaneously rotates the adjusting threaded ring to adjust the extrusion amount of the limiting spring, namely, the extrusion force of the limiting plate on the scroll of the shaft-mounted plastic film is adjusted, at the moment, the rotation resistance of the shaft-mounted plastic film is changed, after the rotation resistance of the shaft-mounted plastic film is adjusted to a proper value, the adjusting threaded ring is stopped to rotate, at, under the spacing of the spool of limiting plate counter shaft dress plastic film, the plastic film of thermal treatment incasement is in the state of tightening to through having add stop gear for feeding mechanism, make the plastic film of thermal treatment incasement be in the state of tightening all the time, it is the same to make the plastic film apart from the distance of two sets of electrical heating mechanism, consequently improved the top of plastic film and the equal degree of being heated of bottom, therefore improved the thermal treatment effect of plastic film, thereby reinforcing the practicality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of a partially enlarged structure of a;
fig. 3 is a schematic view of a partial enlarged structure of B of the present invention;
FIG. 4 is a schematic view of the connection structure of the driving block and the reel of the present invention;
FIG. 5 is a schematic view showing a connection structure of the heat treatment tank and the guide roller assembly according to the present invention;
in the drawings, the reference numbers: 1. a work table; 2. four groups of supporting legs; 3. a heat treatment tank; 4. two groups of electric heating mechanisms; 5. a feeding mechanism; 6. a material receiving mechanism; 7. a working chamber; 8. two sets of guide roller assemblies; 9. mounting a plate; 10. a support plate; 11. adjusting the threaded rod; 12. a limiting spring; 13. adjusting the threaded ring; 14. a limiting plate; 15. a guard bar; 16. a protective chute; 17. driving the block; 18. a reel; 19. a stop lever; 20. a hexagonal-shaped neck; 21. a U-shaped groove; 22. a pin rod; 23. a pin slot; 24. a pin hole; 25. a handle; 26. a guard ring; 27. a protective bath; 28. regulating and controlling a handle; 29. a non-slip mat; 30. an anti-slip sleeve.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the utility model discloses a plastic film heat treatment device, including workstation 1, four groups of landing legs 2, heat treatment box 3, two sets of electric heating mechanism 4, feeding mechanism 5 and receiving agencies 6, the bottom left front side, the left rear side, the right front side and the right rear side of workstation 1 are connected with the top of four groups of landing legs 2 respectively, the bottom of heat treatment box 3 is connected with the top middle part of workstation 1, the inside of heat treatment box 3 is provided with working chamber 7, the left end and the right-hand member of working chamber 7 communicate respectively and are provided with pay-off mouth and discharge gate, the left end and the right-hand member of working chamber 7 rotate respectively and are provided with two sets of guide roller assemblies 8, the stiff end of two sets of electric heating mechanism 4 is connected with the top and the bottom of working chamber 7 respectively, feeding mechanism 5 is installed on the left side of workstation 1, receiving agencies 6 is installed on the top right side of; also comprises a mounting plate 9, a supporting plate 10 and an adjusting threaded rod 11, the feeding mechanism 5 is provided with two groups of supporting rods, the bottom end of the mounting plate 9 is connected with the right side of the top end of the front supporting rod, the top end of the mounting plate 9 is connected with the right side of the bottom end of the supporting plate 10, a telescopic hole penetrates through the middle of the top end of the supporting plate 10 and is sleeved with the adjusting threaded rod 11 in a sliding mode, the bottom end of the adjusting threaded rod 11 is connected with the middle of the top end of the limiting plate 14, the adjusting threaded ring 13 is screwed with the adjusting threaded rod 11, the limiting spring 12 is sleeved with the adjusting threaded rod 11, the bottom end and the top end of the limiting spring 12 are respectively attached to the top end of the adjusting threaded ring 13 and the bottom end of the supporting plate 10 in a clinging mode, the left end of the protecting rod 15 is connected with the right end of the limiting plate 14, the left end of the mounting plate 9 is provided with a protecting chute; firstly, a worker lifts an adjusting threaded rod to enable a limiting plate to move upwards, after a scroll of a shaft-mounted plastic film is installed at the top of a feeding mechanism, the lifting of the adjusting threaded rod is stopped, then a limiting spring pushes the adjusting threaded rod to move downwards quickly through an adjusting threaded ring, meanwhile, the adjusting threaded rod extrudes the limiting plate at the top end of the front area of the scroll of the shaft-mounted plastic film, then the worker rotates the shaft-mounted plastic film to sense the rotation resistance of the shaft-mounted plastic film, simultaneously rotates the adjusting threaded ring to adjust the extrusion amount of the limiting spring, namely, the extrusion force of the limiting plate on the scroll of the shaft-mounted plastic film is adjusted, at the moment, the rotation resistance of the shaft-mounted plastic film is changed, after the rotation resistance of the shaft-mounted plastic film is adjusted to a proper value, the adjusting threaded ring is stopped to rotate, at, under the spacing of the spool of limiting plate counter shaft dress plastic film, the plastic film of thermal treatment incasement is in the state of tightening to through having add stop gear for feeding mechanism, make the plastic film of thermal treatment incasement be in the state of tightening all the time, it is the same to make the plastic film apart from the distance of two sets of electrical heating mechanism, consequently improved the top of plastic film and the equal degree of being heated of bottom, therefore improved the thermal treatment effect of plastic film, thereby reinforcing the practicality.
The plastic film heat treatment device of the utility model also comprises a driving block 17, the material receiving mechanism 6 is provided with a power motor and two groups of positioning plates, the rear end of the rear positioning plate is provided with an extending hole in a penetrating mode, the front end of the power motor is connected with the rear end of the rear positioning plate, the output end of the power motor penetrates through the extending hole from the rear side of the rear positioning plate and extends out of the inner sides of the two groups of positioning plates, the output end of the power motor is connected with the rear end of a driving block 17, the outer side wall of the driving block 17 is uniformly provided with six edges, the rear end of a winding shaft 18 is provided with a hexagonal clamping groove 20, the hexagonal clamping groove 20 is clamped with the driving block 17 in a sliding mode, the top of the front end of the front positioning plate is provided with a U-shaped groove 21 in a penetrating mode, the front area of the winding shaft 18 rotates and is clamped with the U-shaped groove 21, the top end of a blocking rod 19 is fastened and hinged with the right upper area; clamping the hexagonal clamping groove of the scroll on the driving block, so that the dismounting process of the scroll on the material receiving mechanism is more convenient, after the scroll is mounted, the front end of the scroll is located in the U-shaped groove of the front side positioning plate, then the stop lever is rotated to enable the stop lever to stop at the front side of the scroll, the probability that the driving block breaks away from the hexagonal clamping groove is reduced, and the practicability is enhanced.
The utility model discloses a plastic film heat treatment device, which also comprises a pin rod 22, the right end of the protection rod 15 is provided with a pin groove 23, the top area of the right end of the protection chute 16 is communicated with a pin hole 24, and the left end of the pin rod 22 is inserted into the pin hole 24 from the right side of the mounting plate 9 in a sliding manner; before installing the axle dress plastic film on feeding mechanism, can lift limiting plate and fender rod to topmost through adjusting threaded rod, can promote the pin pole at this moment and make the pin pole insert to the cotter way of fender rod, spacing fender rod and limiting plate through the pin pole this moment, saved staff and continuously controlled the limiting plate at the regional operation process in top to the simple operation nature has been strengthened.
The utility model discloses a plastic film heat treatment device, which also comprises a handle 25, wherein the left end of the handle 25 is connected with the right end of the pin rod 22; the control of the pin rod is more convenient through the handle, so that the convenience is enhanced.
The utility model discloses a plastic film heat treatment device, which also comprises a protective ring 26, a protective groove 27 is arranged in the left area of the inner side wall of the pin hole 24 in a communicating way, the protective ring 26 is clamped with the protective groove 27 in a sliding way, and the protective ring 26 is fixedly sleeved with the left area of the pin rod 22; the pin rod is limited through the matching of the protective ring and the protective groove, the probability that the pin rod breaks away from the pin hole is reduced, and therefore the practicability is enhanced.
The utility model discloses a plastic film heat treatment device, which also comprises a regulating handle 28, wherein the bottom end of the regulating handle 28 is connected with the top end of the regulating threaded rod 11; the longitudinal adjustment of the adjusting threaded rod is more convenient by adjusting and controlling the handle, so that the convenience is enhanced.
The utility model discloses a plastic film heat treatment device, which also comprises an anti-skid pad 29, wherein the top end of the anti-skid pad 29 is connected with the bottom end of the limiting plate 14; the friction coefficient of the bottom of the limiting plate is increased through the anti-slip pad, the control capacity of the limiting plate on the rotation resistance of the axle-mounted plastic film is improved, and therefore usability is enhanced.
The utility model discloses a plastic film heat treatment device, which also comprises an anti-skid sleeve 30, wherein the anti-skid sleeve 30 is fixedly sleeved with an adjusting threaded ring 13; the friction coefficient of the outer side wall of the adjusting threaded ring is increased through the anti-skidding sleeve, the probability that a hand skids on the adjusting threaded ring when the adjusting threaded ring is rotated is reduced, and therefore the practicability is enhanced.
The utility model discloses a plastic film heat treatment device, it is at work, at first the staff lifts adjusting threaded rod, make the limiting plate shift up, after installing the spool of axle dress plastic film at feeding mechanism's top, at this moment stop lifting adjusting threaded rod, then spacing spring promotes adjusting threaded rod through adjusting the screw ring and moves down fast, adjusting threaded rod extrudes the limiting plate at the regional top in front of the spool of axle dress plastic film simultaneously, then the staff rotates axle dress plastic film and feels the rotational resistance of axle dress plastic film, rotate adjusting the screw ring simultaneously and adjust the extrusion capacity of spacing spring, namely adjust the extrusion force of limiting plate to the spool of axle dress plastic film, the rotational resistance of axle dress plastic film has changed this moment, after the rotational resistance of axle dress plastic film is adjusted to suitable value, stop to rotate adjusting the screw ring can, the protruding end of the shaft-mounted plastic film is then passed through the heat treatment box and guided by two sets of guide roller assemblies, then a new reel is arranged on the material receiving mechanism, the extending end of the plastic film which is arranged on the reel is fixed on the new reel, then the two groups of electric heating mechanisms can be started to enable the two groups of electric heating mechanisms to reach the set temperature value, at the moment, the plastic film in the working cavity starts to carry out heat treatment, meanwhile, the material receiving mechanism is started to drive the new reel to rotate to roll the heat-treated plastic film, and under the pulling of the material receiving mechanism, the shaft-mounted plastic film on the feeding mechanism is continuously pulled out to the working cavity for heat treatment operation, at the moment, when the material receiving mechanism winds the extending end of the shaft-mounted plastic film, under the limit of the limiting plate to the reel of the shaft-mounted plastic film, the plastic film in the heat treatment box is in a tight state.
The terms "front", "rear", "left", "right" and the like as used herein are for illustrative purposes only.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A plastic film heat treatment device comprises a workbench (1), four groups of supporting legs (2), a heat treatment box (3), two groups of electric heating mechanisms (4), a feeding mechanism (5) and a material receiving mechanism (6), wherein the left front side, the left rear side, the right front side and the right rear side of the bottom end of the workbench (1) are respectively connected with the top ends of the four groups of supporting legs (2), the bottom end of the heat treatment box (3) is connected with the middle part of the top end of the workbench (1), a working chamber (7) is arranged inside the heat treatment box (3), the left end and the right end of the working chamber (7) are respectively communicated with a feeding port and a discharging port, the left end and the right end of the working chamber (7) are respectively and rotatably provided with two groups of guide roller assemblies (8), the fixed ends of the two groups of electric heating mechanisms (4) are respectively connected with the top end and the bottom end of the working chamber (7), the feeding mechanism (5, the material receiving mechanism (6) is arranged on the right side of the top end of the workbench (1); the device is characterized by further comprising a mounting plate (9), a supporting plate (10), an adjusting threaded rod (11), a limiting spring (12), an adjusting threaded ring (13), a limiting plate (14) and a protective rod (15), wherein the feeding mechanism (5) is provided with two sets of supporting rods, the bottom end of the mounting plate (9) is connected with the top right side of the front supporting rod, the top end of the mounting plate (9) is connected with the bottom right side of the supporting plate (10), a telescopic hole is arranged in the middle of the top end of the supporting plate (10) in a penetrating manner, the telescopic hole is slidably sleeved with the adjusting threaded rod (11), the bottom end of the adjusting threaded rod (11) is connected with the top middle of the limiting plate (14), the adjusting threaded ring (13) is screwed with the adjusting threaded rod (11), the limiting spring (12) is sleeved with the adjusting threaded rod (11), the bottom end and the top end of the limiting spring (12) are respectively tightly attached to the top end of the adjusting threaded ring (13) and the bottom end of, the left end of protective rod (15) is connected with the right-hand member of limiting plate (14), the left end of mounting panel (9) is provided with protection spout (16), the right-hand member slip of protection spout (16) and protective rod (15) clamps.
2. The plastic film heat treatment device according to claim 1, further comprising a driving block (17), a reel (18) and a stop lever (19), wherein the material receiving mechanism (6) is provided with a power motor and two sets of positioning plates, a rear end of the rear positioning plate is provided with a through hole, a front end of the power motor is connected with a rear end of the rear positioning plate, an output end of the power motor passes through the through hole from a rear side of the rear positioning plate and extends to inner sides of the two sets of positioning plates, an output end of the power motor is connected with a rear end of the driving block (17), six ribs are uniformly arranged on an outer side wall of the driving block (17), a hexagonal clamping groove (20) is arranged at a rear end of the reel (18), the hexagonal clamping groove (20) is slidably clamped with the driving block (17), and a U-shaped groove (21) is arranged at a top of a front end of the front positioning plate, the front area of the reel (18) is rotationally clamped with the U-shaped groove (21), the top end of the stop lever (19) is fixedly hinged with the right upper area of the front end of the front side positioning plate, and the bottom area of the stop lever (19) is positioned on the front side of the reel (18).
3. The heat treatment device for the plastic film according to claim 2, further comprising a pin rod (22), wherein the right end of the guard rod (15) is provided with a pin groove (23), the top area of the right end of the guard chute (16) is communicated with a pin hole (24), and the left end of the pin rod (22) is slidably inserted into the pin hole (24) from the right side of the mounting plate (9).
4. A heat treatment device for plastic films as claimed in claim 3, characterized in that it further comprises a handle (25), the left end of said handle (25) being connected to the right end of the pin (22).
5. The heat treatment device for the plastic film according to claim 4, further comprising a protection ring (26), wherein a protection groove (27) is arranged in communication with a left area of the inner side wall of the pin hole (24), the protection ring (26) is slidably clamped with the protection groove (27), and the protection ring (26) is fixedly sleeved with the left area of the pin rod (22).
6. The heat treatment device for plastic films according to claim 5, characterized in that it further comprises a control handle (28), the bottom end of said control handle (28) being connected to the top end of the control threaded rod (11).
7. The device for the thermal treatment of plastic films according to claim 6, characterized in that it further comprises a non-slip mat (29), the top end of said non-slip mat (29) being connected to the bottom end of the limit plate (14).
8. The device for heat treatment of plastic films according to claim 7, characterized in that it further comprises an anti-slip sleeve (30), said anti-slip sleeve (30) being fixedly fitted with the adjusting threaded ring (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921555428.7U CN210617358U (en) | 2019-09-18 | 2019-09-18 | Plastic film heat treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921555428.7U CN210617358U (en) | 2019-09-18 | 2019-09-18 | Plastic film heat treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210617358U true CN210617358U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921555428.7U Expired - Fee Related CN210617358U (en) | 2019-09-18 | 2019-09-18 | Plastic film heat treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210617358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605108A (en) * | 2020-06-08 | 2020-09-01 | 张倩倩 | Heat treatment processing device for plastic film |
-
2019
- 2019-09-18 CN CN201921555428.7U patent/CN210617358U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605108A (en) * | 2020-06-08 | 2020-09-01 | 张倩倩 | Heat treatment processing device for plastic film |
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Granted publication date: 20200526 Termination date: 20210918 |