CN210336868U - Plastic film preparation system - Google Patents
Plastic film preparation system Download PDFInfo
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- CN210336868U CN210336868U CN201920932574.0U CN201920932574U CN210336868U CN 210336868 U CN210336868 U CN 210336868U CN 201920932574 U CN201920932574 U CN 201920932574U CN 210336868 U CN210336868 U CN 210336868U
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Abstract
A plastic film preparation system comprises an extruder (72), a die head (73), a calender (71), a cooling assembly (74) and a flattening roller (75), wherein the die head (73) comprises a shell (1), an adjusting plate (2), a group of guide vanes (3) and a switching pipeline (4), the shell (1) is fan-shaped, and the top of the shell (1) is provided with a rectangular feed inlet (5); the advantages are that: film shaping is rapid, and the die head ejection of compact is even, can quick adjustment discharge gate width, and difficult jam, the cooling effect of cooling subassembly is obvious, can get rid of the dust of adhesion on the cylinder, the nip roll: a plurality of annular grooves on the antistatic layer on the first part surface and a group of first spiral grooves and a group of second spiral grooves on the antistatic layer on the second part surface and the third part surface enable the plastic film to be fully flattened, the flattening effect is good, no wrinkles occur, and the integrity of the film is ensured.
Description
Technical Field
The utility model relates to the field of mechanical equipment, concretely relates to plastic film preparation system.
Background
At present, on the existing PC film production line, the extruder die head matched with a calender for use has the conditions of complex structure, difficult adjustment of the width of a discharge port and uneven discharge, when a three-roller calender is used for processing a PC film, the transparency of the finished PC film is poor under the condition of high temperature of the PC film on a silica gel roller due to the fact that the haze of the surface of the PC film is in direct proportion to the temperature and the cooling effect of the existing roller cooling device is poor, so that the quality of the final product does not reach the standard,
a plastic bag that is used for the nip roll's on the blowing machine function just lets to make is leveled the shaping, and the nip roll that people used at present on the blowing machine is because the frictional force between roller and the membrane is great or the slip through roller and roller core alone uses plastic film exhibition flat etc. and the exhibition effect is not good, takes place the fold easily, is unfavorable for guaranteeing the integrity of membrane. And the nip roll body is usually metal, arouses static easily for plastic film is adsorbed on nip roll body and is difficult for breaking away from, influences nip roll's result of use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned not enough, and provide a plastic film preparation system.
The utility model comprises an extruder, a die head, a calender, a cooling component and a flattening roller,
the die head comprises a shell, an adjusting plate, a group of guide vanes and a switching pipeline, wherein the shell is fan-shaped, the top of the shell is a rectangular feed inlet, the bottom of the shell is a long strip-shaped discharge outlet, the shell on one side of the discharge outlet is an inclined plane, the inclined plane is provided with a group of threaded holes and a sealing strip mounting groove, a sealing strip is arranged in the sealing strip mounting groove, the adjusting plate is provided with a group of long round holes matched with the threaded holes of the inclined plane, the adjusting plate is arranged on the inclined plane by a group of screws penetrating through the long round holes through threads, the guide vanes are trapezoidal, the group of guide vanes are fixedly arranged in the shell in a fan-shaped distribution manner, a first rectangular connecting flange is arranged on the rectangular feed inlet, the inlet end of the switching pipeline is round and is provided, a plurality of groups of electric heating wire mounting grooves are arranged on the side wall of the shell, electric heating wires are arranged in the electric heating wire mounting grooves,
the cooling component comprises a box body, an air suction plate, a pair of air suction pipelines, a Y-shaped pipeline joint and an exhaust fan,
one side of the box body is open, the box body at the two ends of the open is provided with an arc-shaped groove, the other side of the box body is symmetrically provided with a pair of air suction ports, the cross section of the air suction plate is arc-shaped, the air suction plate is provided with a plurality of groups of ventilation holes, brushes are arranged in the plurality of groups of ventilation holes, the air suction plate is arranged on the open of the box body, the diameters of the inlet ends and the outlet ends of the air suction pipelines are gradually reduced, the inlet ends of the pair of air suction pipelines are respectively communicated with the pair of air suction ports, the outlet ends of the pair of air suction pipelines are communicated with a pair of inlet ends of a Y-,
the discharge pipeline of the extruder is communicated with the inlet end of the switching pipeline, the die head is positioned above a pair of feeding rollers of the calender, the cooling assembly is positioned at one side of the calender, the box body and the exhaust fan are arranged on a supporting plate of the calender through a supporting frame, an air suction gap is formed between an air suction plate of the cooling assembly and the roller surface of the feeding roller of the calender,
the flattening roller comprises a flattening roller body and an anti-static layer arranged on the surface of the flattening roller body;
the anti-static layer comprises a silica gel layer and an anti-static rubber layer which are sequentially arranged from the surface of the roller body of the flattening roller to the outside, the thickness of the silica gel layer is 8-10mm, and the thickness of the anti-static rubber layer is 1.8-2.2 mm;
the flattening roller body consists of a first part positioned in the middle, a second part and a third part which are symmetrically arranged at two sides of the first part;
a plurality of annular grooves which are wound around the periphery of the flattening roller body are uniformly arranged on the antistatic layer on the surface of the first part of the flattening roller body, and the depth of each annular groove is 2.8-4.2 mm;
the anti-static layer on the surface of the second part and the third part of the flattening roller body is respectively provided with a group of first spiral grooves and a group of second spiral grooves, the group of first spiral grooves and the group of second spiral grooves are symmetrically arranged along the first part, the spiral directions of the first spiral grooves and the second spiral grooves are opposite, the starting points of the first spiral grooves and the second spiral grooves are respectively positioned on the annular grooves at the two end parts of the first part, the end points of the first spiral grooves and the second spiral grooves are respectively positioned on the cross section circles at the two end parts of the second part and the third part, the depths of the first spiral grooves and the second spiral grooves are the same as the depths of the annular grooves, and rotating shafts at the two ends of the flattening roller are arranged on the frame through bearings and positioned on one side of a discharge roller of a calender.
The electric heating wire sealing device is characterized by further comprising a pair of protective covers, wherein the pair of protective covers cover the electric heating wire mounting grooves in the two side walls of the shell respectively, and the sealing strip mounting grooves are U-shaped sealing strip mounting grooves.
The sealing strip in the sealing strip mounting groove is a silicon rubber sealing strip.
The air suction plate is characterized in that two sides of the air suction plate are respectively provided with a connecting plate, an air suction plate mounting protrusion is arranged in an opening of the box body, a group of matched screw mounting holes are respectively formed in the connecting plate and the air suction plate mounting protrusion, and the air suction plate is detachably mounted on the air suction plate mounting protrusion through a group of screws.
The ventilation holes are internally provided with brush mounting rings, a plurality of groups of brush hair mounting holes are uniformly distributed on the mounting rings in an annular manner, and the brush hair of the brush is arranged in the corresponding brush hair mounting holes.
The flattening roller body and the silica gel layer, and the silica gel layer and the anti-static rubber layer are adhered to each other.
The group of first spiral grooves and the group of second spiral grooves are two spiral grooves which are arranged in parallel.
The groove sections of the first spiral groove and the second spiral groove are semicircular or arc-shaped.
A plurality of annular grooves are all perpendicular with the axis of nip roll body, and a plurality of annular grooves are parallel to each other.
The utility model has the advantages that: the film molding is rapid, the die head discharges uniformly, the width of the discharge port can be rapidly adjusted, and the film is not easy to block.
The cooling effect of cooling subassembly is obvious, can get rid of the dust of adhesion on the cylinder, avoids the PC film contaminated, can reduce the ambient temperature in workshop simultaneously.
Flattening rollers: a plurality of annular grooves on the antistatic layer on the first part surface and a group of first spiral grooves and a group of second spiral grooves on the antistatic layer on the second part surface and the third part surface enable the plastic film to be fully flattened, the flattening effect is good, no wrinkles occur, and the integrity of the film is ensured. The silica gel layer on the surface of the flattening roller body and the anti-static rubber layer can not generate static electricity, and the flattening effect of the flattening roller is further improved.
Description of the drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the die head of the present invention.
Fig. 3 is a schematic structural view of the die head hidden adjusting plate of the present invention.
Fig. 4 is a schematic sectional view of the die head of the present invention.
Fig. 5 is a schematic sectional view of the die head of the present invention.
Fig. 6 is a schematic structural view of the cooling assembly of the present invention.
Fig. 7 is a schematic structural view of the brush mounting ring of the present invention.
Fig. 8 is a schematic structural view of the cooling assembly of the present invention.
Fig. 9 is a schematic structural view of the working state of the cooling assembly of the present invention.
Fig. 10 is a schematic structural view of the nip roll of the present invention.
Fig. 11 is a schematic side view of the nip roll of the present invention.
Fig. 12 is a schematic structural view of an antistatic layer.
Detailed Description
As shown in the attached drawings, the utility model comprises an extruder 72, a die head 73, a calender 71, a cooling component 74 and a flattening roll 75,
the die head 73 comprises a shell 1, an adjusting plate 2, a group of guide vanes 3 and a switching pipeline 4, wherein the shell 1 is fan-shaped, the top of the shell 1 is a rectangular feed inlet 5, the bottom of the shell 1 is a strip-shaped discharge hole 6, the shell 1 on one side of the discharge hole 6 is an inclined plane 7, the inclined plane 7 is provided with a group of threaded holes and a sealing strip mounting groove 8, sealing strips are arranged in the sealing strip mounting groove 8, the adjusting plate 2 is provided with a group of long holes 9 matched with the threaded holes of the inclined plane 7 for use, the adjusting plate 2 passes through the long holes 9 through a group of screws to be mounted on the inclined plane 7 in a threaded manner, the guide vanes 3 are trapezoid, the group of guide vanes 3 are fixedly mounted in the shell 1 in a fan-shaped distribution manner, the rectangular feed inlet 5 is provided with a first rectangular connecting flange, the inlet end of the switching pipeline 4 is circular and provided with a circular, a plurality of groups of electric heating wire installation grooves are arranged on the side wall of the shell 1, electric heating wires are arranged in the electric heating wire installation grooves,
the cooling assembly 74 includes a box body 51, an air suction plate 52, a pair of air suction pipes 53, a Y-shaped pipe joint 58 and an air suction fan 54,
one side of the box body 51 is open, the box body 51 at two ends of the open is provided with an arc-shaped groove 55, the other side of the box body 51 is symmetrically provided with a pair of air suction openings 57, the cross section of the air suction plate 52 is arc-shaped, the air suction plate 52 is provided with a plurality of groups of vent holes 56, the plurality of groups of vent holes 56 are all provided with hair brushes, the air suction plate 52 is arranged on the open of the box body 51, the diameter from the inlet end to the outlet end of the air suction pipeline 53 is gradually reduced, the inlet ends of the pair of air suction pipelines 53 are respectively communicated with the pair of air suction openings 57, the outlet ends of the pair of air suction pipelines 53 are communicated with a pair of inlet ends of a Y-shaped,
the discharge pipeline of the extruder 72 is communicated with the inlet end of the adapter pipeline 4, the die head 73 is positioned above a pair of feeding rollers of the calender 71, the cooling component 74 is positioned at one side of the calender 71, the box body 51 and the exhaust fan 54 are arranged on a supporting plate of the calender 71 through a supporting frame, a suction gap is formed between a suction plate 52 of the cooling component 74 and the roller surface of the feeding roller of the calender 71,
the flattening roller 75 comprises a flattening roller body 101 and an antistatic layer arranged on the surface of the flattening roller body 101;
the anti-static layer comprises a silica gel layer 102 and an anti-static rubber layer 103 which are sequentially arranged from the surface of a flattening roller body 101 to the outside, the thickness of the silica gel layer 102 is 8-10mm, and the thickness of the anti-static rubber layer 103 is 1.8-2.2 mm;
the nip roll body 101 is composed of a first part 104 in the middle, and a second part 105 and a third part 106 symmetrically arranged on both sides of the first part 104;
a plurality of annular grooves 107 surrounding the periphery of the flattening roller body 101 are uniformly arranged on the antistatic layer on the surface of the first part 104 of the flattening roller body 101, and the depth of each annular groove 107 is 2.8-4.2 mm;
a group of first spiral grooves 108 and a group of second spiral grooves 109 are respectively arranged on the antistatic layers on the surfaces of the second part 105 and the third part 106 of the flattening roller body 101, the group of first spiral grooves 108 and the group of second spiral grooves 109 are symmetrically arranged along the first part 104, the spiral directions of the first spiral grooves 108 and the second spiral grooves 109 are opposite, the starting points of the first spiral grooves 108 and the second spiral grooves 109 are respectively positioned on the annular grooves 107 at the two ends of the first part 104, the ending points of the first spiral grooves 108 and the second spiral grooves 109 are respectively positioned on the cross-sectional circles at the two ends of the second part 105 and the third part 106, the depths of the first spiral grooves 108 and the second spiral grooves 109 are the same as the depths of the annular grooves 107, and the rotating shafts at the two ends of the flattening roller 75 are mounted on the frame through bearings and positioned on the discharging roller side of the calender 71.
The electric heating wire sealing device is characterized by further comprising a pair of protective covers 10, the pair of protective covers 10 cover the electric heating wire mounting grooves in the two side walls of the shell 1 respectively, and the sealing strip mounting grooves 8 are U-shaped sealing strip mounting grooves.
The sealing strip in the sealing strip mounting groove 8 is a silicon rubber sealing strip.
The two sides of the air suction plate 52 are respectively provided with a connecting plate 60, the opening of the box body 51 is internally provided with a pair of air suction plate mounting bulges 61, the connecting plate 60 and the air suction plate mounting bulges 61 are respectively provided with a group of matched screw mounting holes, and the air suction plate 52 is detachably mounted on the pair of air suction plate mounting bulges 61 through a group of screws.
A brush mounting ring 62 is arranged in the ventilation hole 56, a plurality of groups of brush hair mounting holes 59 are uniformly distributed on the mounting ring 62 in an annular manner, and the brush hair of the brush is mounted in the corresponding brush hair mounting holes 59.
The flattening roller body 101 and the silica gel layer 102, and the silica gel layer 102 and the antistatic rubber layer 103 are adhered to each other.
The set of first spiral grooves 108 and the set of second spiral grooves 109 are two spiral grooves arranged in parallel with each other.
The groove cross section of the first spiral groove 108 and the second spiral groove 109 is semicircular or circular arc.
The plurality of annular grooves 107 are perpendicular to the central axis of the nip roll body 101, and the plurality of annular grooves 107 are arranged in parallel with each other.
The working mode is as follows: the discharge pipeline of the extruder is communicated with the inlet end of the switching pipeline 4, the extruder injects the melted PC film molten slurry into the shell 1, and the PC film molten slurry is uniformly guided by a group of guide vanes 3, flows downwards and is discharged between a pair of rollers of the calender through a long strip-shaped discharge port 6. When the width of the strip-shaped discharge hole 6 needs to be adjusted, a group of screws are loosened, the adjusting plate 2 is moved upwards or downwards by a worker, the width of the strip-shaped discharge hole 6 can be adjusted, and after the adjustment is finished, a group of screws are screwed down and locked. When the die head of the extruder works, the PC film molten slurry in the die head of the extruder is heated and insulated by the electric heating wire, so that the solidification and blockage of the PC film molten slurry are prevented.
The glue solution flowing out of the discharge hole of the die head is pressed and formed by a calender 71,
the exhaust fan 54 and the box body 51 are installed on the base 70 of the calender 71 through the supporting frame, the air suction plate 52 and the arc-shaped groove 55 are matched with the outer wall of the roller of the calender 71 and form an air suction gap, bristles of the brush are in contact with the outer wall of the roller of the calender 71, when the calender 71 operates, heat generated by the roller of the calender 71 is continuously sucked away under the action of the exhaust fan 54, and the brush brushes residues on the surface of the roller when the roller of the calender 71 rotates.
The plastic film output from the calender 71 is flattened by the flattening roll 75, preventing the film from wrinkling,
a flat roller of antistatic for plastic film is during installation use, a plurality of annular groove 107 on the antistatic backing on the first part 104 surface of nip roll body 101 reserves the space to the flattening of both sides for the middle part of the plastic film that passes through below it, make things convenient for first spiral groove 108 and second spiral groove 109 to flatten plastic film to nip roll body 101 both ends exhibition, make plastic film can fully open up the flat, it is better to open up the flat effect relative prior art, the fold can not take place, guarantee the completeness of membrane. The silica gel layer 102 and the antistatic silica gel layer 103 on the surface of the flattening roller body 101 do not generate static electricity during use, so that the flattening effect of the flattening roller is further improved.
Claims (9)
1. A plastic film preparation system is characterized by comprising an extruder (72), a die head (73), a calender (71), a cooling assembly (74) and a flattening roller (75),
the die head (73) comprises a shell (1), an adjusting plate (2), a group of guide vanes (3) and a switching pipeline (4), wherein the shell (1) is fan-shaped, the top of the shell (1) is provided with a rectangular feed inlet (5), the bottom of the shell (1) is provided with a strip-shaped discharge outlet (6), the shell (1) on one side of the discharge outlet (6) is an inclined plane (7), the inclined plane (7) is provided with a group of threaded holes and a sealing strip mounting groove (8), a sealing strip is arranged in the sealing strip mounting groove (8), the adjusting plate (2) is provided with a group of long round holes (9) matched with the threaded holes of the inclined plane (7), the adjusting plate (2) is installed on the inclined plane (7) through a group of screws penetrating through the long round holes (9) and threads, the guide vanes (3) are trapezoid, the group of guide vanes (3) are fixedly installed in the shell, the inlet end of the switching pipeline (4) is round and is provided with a round flange, the outlet end of the switching pipeline (4) is rectangular and is provided with a second rectangular connecting flange matched with the first rectangular connecting flange of the rectangular feed inlet (5), the side wall of the shell (1) is provided with a plurality of groups of electric heating wire mounting grooves, electric heating wires are arranged in the electric heating wire mounting grooves,
the cooling component (74) comprises a box body (51), an air suction plate (52), a pair of air suction pipelines (53), a Y-shaped pipeline joint (58) and an exhaust fan (54),
one side of the box body (51) is open, the box body (51) at two ends of the open is provided with an arc-shaped groove (55), the other side of the box body (51) is symmetrically provided with a pair of air suction ports (57), the cross section of the air suction plate (52) is arc-shaped, the air suction plate (52) is provided with a plurality of groups of vent holes (56), brushes are arranged in the plurality of groups of vent holes (56), the air suction plate (52) is arranged on the open of the box body (51), the diameters of the inlet end and the outlet end of the air suction pipeline (53) are gradually reduced, the inlet ends of the pair of air suction pipelines (53) are respectively communicated with the pair of air suction ports (57), the outlet ends of the pair of air suction pipelines (53) are communicated with the pair of inlet ends of the Y-shaped pipeline joint (58), the outlet ends of the Y-shaped,
a discharge pipeline of the extruder (72) is communicated with an inlet end of the adapter pipeline (4), a die head (73) is positioned above a pair of feeding rollers of the calender (71), a cooling assembly (74) is positioned at one side of the calender (71), a box body (51) and an exhaust fan (54) are arranged on a supporting plate of the calender (71) through a supporting frame, an air suction gap is formed between an air suction plate (52) of the cooling assembly (74) and the roller surface of the feeding rollers of the calender (71),
the flattening roller (75) comprises a flattening roller body (101) and an anti-static layer arranged on the surface of the flattening roller body (101);
the anti-static layer comprises a silica gel layer (102) and an anti-static rubber layer (103) which are sequentially arranged from the surface of the flattening roller body (101) to the outside, the thickness of the silica gel layer (102) is 8-10mm, and the thickness of the anti-static rubber layer (103) is 1.8-2.2 mm;
the flattening roller body (101) consists of a first part (104) positioned in the middle, and a second part (105) and a third part (106) which are symmetrically arranged at two sides of the first part (104);
a plurality of annular grooves (107) which are wound around the periphery of the flattening roller body (101) are uniformly formed in the antistatic layer on the surface of the first part (104) of the flattening roller body (101), and the depth of each annular groove (107) is 2.8-4.2 mm;
a group of first spiral grooves (108) and a group of second spiral grooves (109) are respectively arranged on the antistatic layers on the surfaces of the second part (105) and the third part (106) of the flattening roller body (101), the group of first spiral grooves (108) and the group of second spiral grooves (109) are symmetrically arranged along the first part (104), the spiral directions of the first spiral grooves (108) and the second spiral grooves (109) are opposite, the starting points of the first spiral grooves (108) and the second spiral grooves (109) are respectively positioned on the annular grooves (107) at the two ends of the first part (104), the end points of the first spiral grooves (108) and the second spiral grooves (109) are respectively positioned on the cross sections of the two ends of the second part (105) and the third part (106), the depths of the first spiral grooves (108) and the second spiral grooves (109) are the same as the depths of the annular grooves (107), and the rotating shafts at the two ends of the flattening roller (75) are arranged on a frame through bearings, and is positioned at the discharge roller side of the calender (71).
2. The plastic film manufacturing system as claimed in claim 1, wherein a pair of protection covers (10) are further provided, the pair of protection covers (10) are respectively covered on the electric heating wire installation grooves of both side walls of the housing (1), and the sealing strip installation groove (8) is a U-shaped sealing strip installation groove.
3. A plastic film producing system as claimed in claim 1, wherein the sealing tape in the sealing tape mounting groove (8) is a silicone rubber sealing tape.
4. The plastic film preparing system according to claim 1, wherein the two sides of the suction plate (52) are respectively provided with a connecting plate (60), the opening of the box body (51) is internally provided with a pair of suction plate mounting protrusions (61), the connecting plate (60) and the suction plate mounting protrusions (61) are respectively provided with a set of matched screw mounting holes, and the suction plate (52) is detachably mounted on the pair of suction plate mounting protrusions (61) through a set of screws.
5. The plastic film preparation system according to claim 1, wherein the ventilation holes (56) are internally provided with brush mounting rings (62), a plurality of groups of bristle mounting holes (59) are annularly and uniformly distributed on the mounting rings (62), and the bristles of the brush are mounted in the corresponding bristle mounting holes (59).
6. The plastic film preparation system according to claim 1, wherein the nip roll body (101) and the silica gel layer (102), and the silica gel layer (102) and the antistatic rubber layer (103) are adhered to each other.
7. A plastic film production system according to claim 1, wherein each of the one set of first spiral grooves (108) and the one set of second spiral grooves (109) is two spiral grooves arranged in parallel with each other.
8. A plastic film production system according to claim 1, wherein said first spiral groove (108) and said second spiral groove (109) have a groove cross section of a semicircular shape or a circular arc shape.
9. A plastic film production system according to claim 1, wherein the plurality of annular grooves (107) are perpendicular to the central axis of the roll body (101) of the nip roll, and the plurality of annular grooves (107) are arranged in parallel with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932574.0U CN210336868U (en) | 2019-06-20 | 2019-06-20 | Plastic film preparation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932574.0U CN210336868U (en) | 2019-06-20 | 2019-06-20 | Plastic film preparation system |
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| CN210336868U true CN210336868U (en) | 2020-04-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879616A (en) * | 2021-10-11 | 2022-01-04 | 山东华致林医药科技有限公司 | Medicine heat-seal inflation film manufacturing machine for packing with blank pressing function |
| CN114311602A (en) * | 2022-01-05 | 2022-04-12 | 湖南东健药业有限公司 | Die head and device for laminating and molding glue traditional Chinese medicine blocks and production process of glue traditional Chinese medicine blocks |
| CN114665224A (en) * | 2022-04-18 | 2022-06-24 | 四川卓勤新材料科技有限公司 | Air inlet return air nozzle assembly and efficient cooling device for back of lithium ion battery diaphragm |
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2019
- 2019-06-20 CN CN201920932574.0U patent/CN210336868U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113879616A (en) * | 2021-10-11 | 2022-01-04 | 山东华致林医药科技有限公司 | Medicine heat-seal inflation film manufacturing machine for packing with blank pressing function |
| CN113879616B (en) * | 2021-10-11 | 2023-11-28 | 山东华致林医药科技有限公司 | Film blowing machine with edge pressing function for medicine heat sealing packaging |
| CN114311602A (en) * | 2022-01-05 | 2022-04-12 | 湖南东健药业有限公司 | Die head and device for laminating and molding glue traditional Chinese medicine blocks and production process of glue traditional Chinese medicine blocks |
| CN114311602B (en) * | 2022-01-05 | 2024-05-03 | 湖南东健药业有限公司 | Die head and device for lamination molding of glue traditional Chinese medicine blocks and production process of glue traditional Chinese medicine blocks |
| CN114665224A (en) * | 2022-04-18 | 2022-06-24 | 四川卓勤新材料科技有限公司 | Air inlet return air nozzle assembly and efficient cooling device for back of lithium ion battery diaphragm |
| CN114665224B (en) * | 2022-04-18 | 2023-12-15 | 四川卓勤新材料科技有限公司 | Air inlet return nozzle assembly and efficient cooling device for back surface of lithium ion battery diaphragm |
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