CN217777498U - Uniform heating device for temperature control and temperature detection of polyester film - Google Patents
Uniform heating device for temperature control and temperature detection of polyester film Download PDFInfo
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- CN217777498U CN217777498U CN202220794580.6U CN202220794580U CN217777498U CN 217777498 U CN217777498 U CN 217777498U CN 202220794580 U CN202220794580 U CN 202220794580U CN 217777498 U CN217777498 U CN 217777498U
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Abstract
The utility model discloses a uniform heating device for temperature control and temperature detection of polyester films, which comprises a device base, a support frame connected on the device base in a sliding way and a lifting piece which is connected on a device base body in a rotating way and one end of which is connected with the support frame, wherein the lifting piece can drive the support frame to move in the vertical direction, and the support frame is connected with a heating piece which is arranged oppositely in a swinging way; this heating member includes the swinging arms, the main heating roller, the time warming mill, main temperature-sensing ware, time temperature-sensing ware, PLC control panel and rotation piece, can effective control film heating temperature, the swinging arms swing is connected on the support frame, can effective control warming mill temperature, through utilizing the temperature on the mode control film of replacement warming mill, the difference in temperature is difficult too big when making the film heating, and because the replacement between the warming mill, further increase the accuse temperature effect of film heating, the temperature is difficult too high when preventing the film heating.
Description
Technical Field
The utility model relates to a polyester film production facility technical field, in particular to polyester film is with even heating device of accuse temperature and temperature detection.
Background
The polyester film (PET) is a film material which is prepared by using polyethylene glycol terephthalate as a raw material, preparing a thick sheet by an extrusion method and performing biaxial tension. The polyester film environmental protection film PET film milky white film and other printing packaging consumables are widely used in the glass fiber reinforced plastic industry, the building material industry, the printing industry and the medical health. The polyester film is also called polyester film light sheet polyester film photosensitive paper polyester film polystyrene film cellophane release film.
For example, patent publication No. CN212666500U discloses a heating roller mechanism for producing biaxially oriented polyester film, which relates to the technical field of polyester film production and processing. The heating roller device comprises a device base, a square groove is formed in the device base, supporting plates are fixedly connected to the left end and the right end of the square groove, a first heating roller is rotatably connected to the supporting plates, a sliding groove is formed in the supporting plates and is in sliding connection with a heating roller rotating shaft, the heating roller rotating shaft is rotatably connected to the two ends of a second heating roller, the upper surface of the heating roller rotating shaft is fixedly connected with the bottom of a fixing support, and a first bearing is fixedly connected to the fixing support. The heating roller mechanism for producing the biaxially oriented polyester film is provided with the rotating handle, the handle bracket and the limiting gear, and the position of the fixed baffle can be adjusted under the threaded connection of the threaded rod and the nut, so that the distance between the first heating roller and the second heating roller can be conveniently adjusted, and the biaxially oriented polyester films with different thicknesses can be processed;
but above-mentioned utility model when heating polyester film, generally through the warming mill that distributes about utilizing heats the film, reach the processing to the film, nevertheless because the unidirectional stretching temperature of film is 105 degrees centigrade-110 degrees centigrade, and when the warming mill is when continuously heating the film, the temperature of warming mill can continuously rise, when the warming mill temperature exceedes 110 degrees centigrade, the warming mill that easily appears the high temperature descends the tensile effect of film, in the utility model discloses simultaneously, can only singly heat the warming mill, can't effectively detect the temperature on the warming mill.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a polyester film is with even heating device of accuse temperature and temperature detection can effective control film heating temperature.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a uniform heating device for temperature control and temperature detection of polyester film comprises a device base, a support frame connected on the device base in a sliding way, and a lifting piece which is connected on the device base body in a rotating way and one end of which is connected with the support frame, wherein the lifting piece can drive the support frame to move in the vertical direction,
the supporting frame is connected with heating elements which are arranged oppositely in a swinging manner;
this heating member includes swinging arms, main warming mill, inferior warming mill, main temperature-sensing ware, inferior temperature-sensing ware, PLC control panel and rotates piece, the swinging arms swing is connected on the support frame, main warming mill and inferior warming mill swivelling joint are at the swinging arms both ends respectively, main temperature-sensing ware and inferior temperature-sensing ware fixed connection are at the swinging arms both ends respectively, and main temperature-sensing ware inductive head aims at the main warming mill, inferior temperature-sensing ware inductive head aims at inferior warming mill, main temperature-sensing ware and inferior temperature-sensing respectively with fixed connection at the PLC control panel electric connection on the device base, PLC control panel and rotation piece electric connection, rotate piece fixed connection on the support frame, and should rotate one end and be connected with the swinging arms middle part, it can order about the swinging arms swing to rotate the piece.
As preferred, it includes main motor, main connecting rod, inferior connecting rod and main rotary rod to rotate the piece, main connecting rod fixed connection is at the swinging arms middle part, inferior connecting rod fixed connection is in main connecting rod one end, fixedly connected with main motor on the support frame, the output shaft and the main rotary rod fixed connection of main motor, set up the shifting chute that supplies inferior connecting rod to remove on the support frame, main rotary rod one end and inferior connecting rod swivelling joint, main motor and PLC control panel electric connection.
Preferably, the device base is fixedly connected with a main support rod, the main support rod is fixedly connected with a first temperature sensor, the first temperature sensor is electrically connected with the PLC control panel, the device base is fixedly connected with a temperature display, and the temperature display is electrically connected with the PLC control panel.
Preferably, the support frame is fixedly connected with a main air outlet plate and an auxiliary air outlet plate, the bottom of the main air outlet plate is provided with a groove, the main air outlet plate is arranged opposite to the main heating roller, the auxiliary air outlet plate is arranged opposite to the auxiliary heating roller, the top surface of the support frame is fixedly connected with a main fan and an auxiliary fan, the main fan is communicated with the main air outlet plate through a main transmission pipe, and the auxiliary fan is communicated with the auxiliary air outlet plate through an auxiliary transmission pipe.
As preferred, fixedly connected with bin on the device base, fixedly connected with cooler on this bin lateral wall, fixedly connected with owner's drawing liquid pump in the bin, this owner's drawing liquid pump communicates with each other through the pipeline with the cooler, the cooler communicates with each other through the pipeline with the bin, equal fixedly connected with leads the warm pipe on main transmission pipe and the inferior transmission pipe, two inferior drawing liquid pumps of fixedly connected with in the bin, this time drawing liquid pump communicates with each other with leading the warm pipe respectively, the one end that leads the warm pipe communicates with each other with the bin.
As preferred, the lift piece includes screw thread bucket, main straight-teeth gear, inferior straight-teeth gear, first motor and lead screw, lead screw one end and support frame top surface swivelling joint, screw thread bucket swivelling joint is on the device base, and this screw thread bucket and lead screw threaded connection, main straight-teeth gear fixed connection is on the screw thread bucket, and this main straight-teeth gear and device base swivelling joint, inferior straight-teeth gear swivelling joint is on the device base, and inferior straight-teeth gear meshes with main straight-teeth gear mutually, first motor fixed connection is on the device base, and first motor output shaft and inferior straight-teeth gear fixed connection.
Preferably, the heating roller is internally and fixedly connected with a heating wire, the supporting frame is fixedly connected with a limiting rod, and the limiting rod is in sliding connection with the device base.
The utility model discloses beneficial effect: compared with the prior art, the utility model discloses a rotate the piece and order about the swinging arms swing, order about main heating roller and time warming mill swing when making the swinging arms swing to reach the replacement of main heating roller and time warming mill, through utilizing the temperature on the mode control film of replacement warming mill, the temperature difference is difficult too big when making the film heating, and because the replacement between the warming mill, further increases the accuse temperature effect of film heating, the temperature is difficult for too high when preventing the film heating.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic view of an exemplary storage case;
FIG. 3 is a schematic diagram of a main blower of an embodiment;
FIG. 4 isbase:Sub>A schematic view of example A-A;
fig. 5 is a schematic view of an embodiment secondary spur gear.
Reference numerals are as follows: 1. a device base; 2. a support frame; 3. a lifting member; 4. a swing lever; 5. a main heating roller; 6. a secondary heating roller; 7. a primary temperature sensor; 8. a secondary temperature sensor; 9. a PLC control panel; 10. a rotating member; 11. a main motor; 12. a main connecting rod; 13. a secondary connecting rod; 14. a primary rotating rod; 15. a moving groove; 17. a main support bar; 18. a first temperature sensor; 19. a temperature display; 20. a main air outlet plate; 22. a secondary air outlet plate; 23. a main fan; 24. a secondary air blower; 25. a main transmission pipe; 26. a secondary conveying pipe; 27. a storage tank; 28. a cooler; 29. a main liquid pump; 30. a heat conducting pipe; 31. a secondary liquid pump; 32. a threaded barrel; 33. a primary spur gear; 34. a secondary spur gear; 35. a first motor; 36. a lead screw; 37. heating wires; 38. a limiting rod.
Detailed Description
The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used 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. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 5, a uniform heating device for temperature control and temperature detection of polyester film comprises a device base 1, a support frame 2 slidably connected to the device base 1, and a lifting member 3 rotatably connected to the body of the device base 1 and having one end connected to the support frame 2, wherein the lifting member 3 can drive the support frame 2 to move vertically,
heating elements which are oppositely arranged are connected to the support frame 2 in a swinging manner;
this heating member includes swinging arms 4, main heating roller 5, inferior heating roller 6, main temperature-sensing ware 7, inferior temperature-sensing ware 8, PLC control panel 9 and rotates piece 10, swinging arms 4 swing joint is on support frame 2, main heating roller 5 and inferior heating roller 6 are swivelling joint respectively at swinging arms 4 both ends, main temperature-sensing ware 7 and inferior temperature-sensing ware 8 fixed connection respectively are at swinging arms 4 both ends, and main temperature-sensing ware 7 inductive head aims at main heating roller 5, inferior temperature-sensing ware 8 inductive head aims at inferior heating roller 6, main temperature-sensing ware 7 and inferior temperature-sensing respectively with the PLC control panel 9 electric connection of fixed connection on device base 1, PLC control panel 9 with rotate 10 electric connection, it is on support frame 2 to rotate piece 10 fixed connection, and should rotate 10 one end and be connected with swinging arms 4 middle part, it can order about swinging arms 4 swing to rotate piece 10.
Rotate piece 10 and include main motor 11, main connecting rod 12, inferior connecting rod 13 and main rotary rod 14, main connecting rod 12 fixed connection is at swing arm 4 middle part, inferior connecting rod 13 fixed connection is in main connecting rod 12 one end, fixedly connected with main motor 11 on the support frame 2, the output shaft and the main rotary rod 14 fixed connection of main motor 11, set up the shifting chute 15 that supplies inferior connecting rod 13 to remove on the support frame 2, main rotary rod 14 one end and inferior connecting rod 13 swivelling joint, main motor 11 and PLC control panel 9 electric connection order about swing arm 4 through utilizing main moving rod to rotate to make swing arm 4 order about main warming mill 5 and inferior warming mill 6 swing, reach the replacement between main warming mill 5 and the inferior warming mill 6, be convenient for personnel to change main warming mill 5 or inferior warming mill 6, further promote the constant temperature effect of film heating temperature.
Fixedly connected with main tributary vaulting pole 17 on the device base 1, the first temperature-sensing ware 18 of fixedly connected with on this main tributary vaulting pole 17, first temperature-sensing ware 18 and PLC control panel 9 electric connection, fixedly connected with temperature display 19 on the device base 1, this temperature display 19 and PLC control panel 9 electric connection, through first temperature-sensing ware 18 induction temperature to give PLC control panel 9 signal, realize that PLC control panel 9 transmits the signal and give temperature-sensing ware, reach temperature-sensing ware and respond to the temperature, the personnel of being convenient for look over the temperature on the film, further save personnel's labour.
Fixedly connected with bottom slotted main play tuber plate 20 and time play tuber plate 22 on support frame 2, main play tuber plate 20 sets up with main warming mill 5 relatively, time play tuber plate 22 sets up with time warming mill 6 relatively, 2 top surface fixedly connected with main fan 23 of support frame and time fan 24, main fan 23 communicates with each other through main transmission pipe 25 with main play tuber plate 20, time fan 24 communicates with each other through time transmission pipe 26 with time play tuber plate 22, and in the main transmission pipe 25 was entered into to main fan 23 transmission air current, the air current cooled off main warming mill 5 through main play tuber plate 20, increased main warming mill 5's cooling effect.
Fixedly connected with storage tank 27 on device base 1, fixedly connected with cooler 28 on this storage tank 27 lateral wall, fixedly connected with owner's drawing liquid pump 29 in the storage tank 27, this owner's drawing liquid pump 29 communicates with each other through the pipeline with cooler 28, cooler 28 communicates with each other through the pipeline with storage tank 27, equal fixedly connected with leads warm tube 30 on main transmission pipe 25 and the inferior transmission pipe 26, two times drawing liquid pump 31 of fixedly connected with in the storage tank 27, this time drawing liquid pump 31 communicates with each other with leading warm tube 30 respectively, the one end of leading warm tube 30 communicates with each other with storage tank 27, cools off through liquid in cooler 28 to storage tank 27, further increases the cooling effect of liquid in the storage tank 27.
Lifting member 3 includes screw thread bucket 32, main spur gear 33, inferior spur gear 34, first motor 35 and lead screw 36, 2 top surface swivelling joint of lead screw 36 one end and support frame, screw thread bucket 32 swivelling joint is on device base 1, and this screw thread bucket 32 and lead screw 36 threaded connection, main spur gear 33 fixed connection is on screw thread bucket 32, and this main spur gear 33 and device base 1 swivelling joint, inferior spur gear 34 swivelling joint is on device base 1, and inferior spur gear 34 meshes with main spur gear 33 mutually, first motor 35 fixed connection is on device base 1, and first motor 35 output shaft and inferior spur gear 34 fixed connection, through utilizing first motor 35 to order about main spur gear 33 to drive inferior spur gear 34 and rotate, realizes inferior spur gear 34 to order about screw thread bucket 32 to drive lead screw 36 and removes, reaches lead screw 36 and orders about support frame 2 and removes, realizes that support frame 2 orders about main warming mill 5 height-adjusting, and the labour who saves personnel, is convenient for the regulation of distance between the main warming mill 5.
Fixedly connected with heater strip 37 in the warming mill, fixedly connected with gag lever post 38 on the support frame 2, this gag lever post 38 and device base 1 sliding connection, it is spacing to support frame 2 through utilizing gag lever post 38, prevent that pivoted phenomenon from appearing in support frame 2.
In order to heat the film, firstly, the film enters the device base 1, then the first temperature sensor 18 is started, the first temperature sensor 18 senses the temperature on the film and transmits the temperature to the PLC control panel 9, the control panel transmits a signal to the temperature display 19, and the temperature of the film is displayed through the temperature display 19;
when the film temperature detection is completed, the first motor 35 is started, the secondary spur gear 34 is driven by the first motor 35 to drive the primary spur gear 33 to rotate, the primary spur gear 33 drives the screw barrel 32 to rotate, the screw barrel 32 drives the screw rod 36 to drive the support frame 2, the support frame 2 drives the primary heating roller 5 to approach the film, when the film enters between the primary heating roller 5, the heating wire 37 is started, the primary heating roller 5 is heated by the heating wire 37, the film is heated, when the temperature on the primary heating roller 5 rises to a certain temperature, the primary temperature sensor 7 is started, the primary temperature sensor 7 senses the temperature of the primary heating roller 5 and transmits a signal to the PLC control panel 9, the signal is transmitted to the primary motor 11 by the PLC control panel 9, the primary rotating rod 14 is driven to rotate, the secondary moving rod 14 is driven to move, the secondary moving rod is driven to move, the primary moving rod is driven to swing the swing rod 4, the secondary heating roller 4 swings, the main heating roller 5 and secondary rotating rod 6 are driven, and when the primary cooling liquid in the secondary heating pipe 27, the cooling liquid is pumped into the secondary cooling pipe storage tank 27, and when the secondary cooling pipe 28 is started, the cooling liquid storage tank 27, the cooling tank is pumped, after the main transmission pipe 25 is cooled, the main fan 23 is started, the main fan 23 extracts external air flow to enter the main transmission pipe 25, the air flow in the main transmission pipe 25 is cooled, after the air flow is cooled, the main transmission pipe 25 transmits the air flow to cool the main heating roller 5 through the main air outlet plate 20, cooling of the main heating roller 5 is achieved, when the temperature of the auxiliary heating roller 6 rises to a certain temperature, the auxiliary temperature sensor 8 senses temperature rise of the auxiliary heating roller 6 and transmits the temperature rise to the PLC control panel 9, signals are transmitted to the PLC control panel 9, the main motor 11 is controlled to be started through the PLC control panel 9, the main motor 11 drives the swing rod 4 to swing in an auxiliary mode, replacement between the main heating roller 5 and the auxiliary heating roller 6 is achieved, when the auxiliary heating roller 6 is far away from a film, the auxiliary fan 24 is started, the air flow is transmitted to the auxiliary transmission pipe 26 through the auxiliary fan 24, the auxiliary transmission pipe 26 cools the air flow, after the air flow is cooled, the air flow passes through the auxiliary air outlet plate 22 to cool the auxiliary heating roller 6, and cooling of the auxiliary heating roller 6 is achieved.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (7)
1. A uniform heating device for temperature control and temperature detection of polyester film comprises a device base (1), a support frame (2) connected on the device base (1) in a sliding way, and a lifting piece (3) connected on the body of the device base (1) in a rotating way and with one end connected with the support frame (2), wherein the lifting piece (3) can drive the support frame (2) to move in the vertical direction,
heating elements which are oppositely arranged are connected to the supporting frame (2) in a swinging manner;
this heating element includes swinging arms (4), main warming mill (5), inferior warming mill (6), main temperature-sensing ware (7), inferior temperature-sensing ware (8), PLC control panel (9) and rotates piece (10), swinging arms (4) swing connection is on support frame (2), main warming mill (5) and inferior warming mill (6) swivelling joint respectively are at swinging arms (4) both ends, main temperature-sensing ware (7) and inferior temperature-sensing ware (8) fixed connection respectively are at swinging arms (4) both ends, and main temperature-sensing ware (7) induction head aims at main warming mill (5), inferior temperature-sensing ware (8) induction head aims at inferior warming mill (6), main temperature-sensing ware (7) and inferior temperature-sensing respectively with fixed connection PLC control panel (9) electric connection on device base (1), PLC control panel (9) and rotation piece (10) electric connection, it is on support frame (2) to rotate piece (10) fixed connection, and should rotate piece (10) one end and be connected with swinging arms (4) middle part, swinging arms (4) can order about swinging pieces (4).
2. The uniform heating device for temperature control and temperature detection of polyester film as claimed in claim 1, wherein said rotating member (10) comprises a main connecting rod (12), a secondary connecting rod (13) and a main rotating rod (14), said main connecting rod (12) is fixedly connected to the middle of the swinging rod (4), said secondary connecting rod (13) is fixedly connected to one end of the main connecting rod (12), said supporting frame (2) is fixedly connected with a main motor (11), the output shaft of said main motor (11) is fixedly connected to the main rotating rod (14), said supporting frame (2) is provided with a moving slot (15) for the secondary connecting rod (13) to move, one end of said main rotating rod (14) is rotatably connected to the secondary connecting rod (13), said main motor (11) is electrically connected to the PLC control panel (9).
3. The uniform heating device for temperature control and detection of mylar as claimed in claim 1, wherein said device base (1) is fixedly connected with a main supporting rod (17), said main supporting rod (17) is fixedly connected with a first temperature sensor (18), said first temperature sensor (18) is electrically connected with a PLC control panel (9), said device base (1) is fixedly connected with a temperature display (19), and said temperature display (19) is electrically connected with the PLC control panel (9).
4. The uniform heating device for temperature control and temperature detection of the polyester film as claimed in claim 1, wherein the supporting frame (2) is fixedly connected with a main air outlet plate (20) and a secondary air outlet plate (22) with grooves at the bottom, the main air outlet plate (20) is arranged opposite to the main heating roller (5), the secondary air outlet plate (22) is arranged opposite to the secondary heating roller (6), the top surface of the supporting frame (2) is fixedly connected with a main fan (23) and a secondary fan (24), the main fan (23) is communicated with the main air outlet plate (20) through a main transmission pipe (25), and the secondary fan (24) is communicated with the secondary air outlet plate (22) through a secondary transmission pipe (26).
5. The temperature control and temperature detection uniform heating device for the polyester film according to claim 4, wherein a storage box (27) is fixedly connected to the device base (1), a cooler (28) is fixedly connected to the side wall of the storage box (27), a main liquid pump (29) is fixedly connected to the interior of the storage box (27), the main liquid pump (29) is communicated with the cooler (28) through a pipeline, the cooler (28) is communicated with the storage box (27) through a pipeline, both the main conveying pipe (25) and the secondary conveying pipe (26) are fixedly connected with a temperature guide pipe (30), two secondary liquid pumps (31) are fixedly connected to the interior of the storage box (27), the secondary liquid pumps (31) are respectively communicated with the temperature guide pipe (30), and one end of the temperature guide pipe (30) is communicated with the storage box (27).
6. The uniform heating device for temperature control and temperature detection of the mylar as claimed in claim 1, wherein the lifting member (3) comprises a threaded barrel (32), a primary spur gear (33), a secondary spur gear (34), a first motor (35) and a lead screw (36), one end of the lead screw (36) is rotatably connected with the top surface of the support frame (2), the threaded barrel (32) is rotatably connected to the device base (1), the threaded barrel (32) is rotatably connected with the lead screw (36), the primary spur gear (33) is fixedly connected to the threaded barrel (32), the primary spur gear (33) is rotatably connected to the device base (1), the secondary spur gear (34) is meshed with the primary spur gear (33), the first motor (35) is fixedly connected to the device base (1), and an output shaft of the first motor (35) is fixedly connected with the secondary spur gear (34).
7. The temperature-controlling and temperature-detecting uniform heating device for the polyester film as claimed in claim 1, wherein the heating wires (37) are fixedly connected to the inside of the main heating roller (5) and the inside of the secondary heating roller (6), the limiting rod (38) is fixedly connected to the supporting frame (2), and the limiting rod (38) is slidably connected to the device base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220794580.6U CN217777498U (en) | 2022-04-07 | 2022-04-07 | Uniform heating device for temperature control and temperature detection of polyester film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220794580.6U CN217777498U (en) | 2022-04-07 | 2022-04-07 | Uniform heating device for temperature control and temperature detection of polyester film |
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| CN217777498U true CN217777498U (en) | 2022-11-11 |
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| CN202220794580.6U Active CN217777498U (en) | 2022-04-07 | 2022-04-07 | Uniform heating device for temperature control and temperature detection of polyester film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116118069A (en) * | 2022-12-28 | 2023-05-16 | 苏州海利安精密电子元器件有限公司 | Preheating treatment structure of double-sided antistatic PET film |
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2022
- 2022-04-07 CN CN202220794580.6U patent/CN217777498U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116118069A (en) * | 2022-12-28 | 2023-05-16 | 苏州海利安精密电子元器件有限公司 | Preheating treatment structure of double-sided antistatic PET film |
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