CN114506051A - Continuous automatic production device for regenerated EVA (ethylene vinyl acetate) film - Google Patents
Continuous automatic production device for regenerated EVA (ethylene vinyl acetate) film Download PDFInfo
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- CN114506051A CN114506051A CN202210262074.7A CN202210262074A CN114506051A CN 114506051 A CN114506051 A CN 114506051A CN 202210262074 A CN202210262074 A CN 202210262074A CN 114506051 A CN114506051 A CN 114506051A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 title claims description 24
- 239000005038 ethylene vinyl acetate Substances 0.000 title claims description 24
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 title claims description 24
- 238000005096 rolling process Methods 0.000 claims abstract description 85
- 238000001816 cooling Methods 0.000 claims abstract description 56
- 238000005520 cutting process Methods 0.000 claims abstract description 41
- 238000001125 extrusion Methods 0.000 claims abstract description 38
- 239000000428 dust Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 14
- 230000008030 elimination Effects 0.000 claims abstract description 9
- 238000003379 elimination reaction Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 28
- 238000009966 trimming Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 239000006052 feed supplement Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/28—Storing of extruded material, e.g. by winding up or stacking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/08—Copolymers of ethylene
- B29K2023/083—EVA, i.e. ethylene vinyl acetate copolymer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to the field of EVA film production, in particular to a continuous automatic production device for a regenerated EVA film. The invention aims to solve the technical problem of providing a continuous automatic production device for a regenerated EVA film, which can supplement materials for an unshaped film in the production process, prevent holes from being formed in the film production process, improve the cooling speed of the film, improve the overall working efficiency and prevent the film from adsorbing dust to influence the product quality in the production process. The utility model provides a regeneration EVA film continuous type automatic production device, is including support frame, extrusion device, rolling press device, cooling device, frame, fixing base, dust removal cylinder, static elimination stick, cutting device, side cut device, roll-up device and control box. The invention achieves the effects of preventing holes from occurring in the production process of the film, improving the cooling speed of the film, improving the overall working efficiency and preventing the film from adsorbing dust to influence the product quality in the production process.
Description
Technical Field
The invention relates to the field of EVA (ethylene vinyl acetate) film production, in particular to a continuous automatic production device for a regenerated EVA film.
Background
When the EVA adhesive film is produced, plastic particles are melted by an extruder, then a material blank is extruded by a T-shaped die head, then the material blank is rapidly cooled and shaped by embossing, then the material blank is respectively subjected to online thickness measurement, slitting and trimming by traction, and finally the adhesive film with uniform thickness is wound and packaged by a winding mechanism.
Present EVA film apparatus for producing, the film is not yet stereotyped when just producing, the hole appears easily at tensile roll extrusion in-process, and be difficult to the repair, later stage film cooling rate is slow, unable rapid cooling is stereotyped, lead to the whole production efficiency of equipment low, the film can produce static in the operation process simultaneously, can not very effectual elimination, the dust that brings in is adsorbed easily when leading to the film lapping, bring many hidden consequently to production and product quality and need urgently to develop one kind and can carry out the feed supplement to the film of unshaped in the production process, prevent the hole from appearing in the film production process, improve the cooling rate of film simultaneously, promote holistic work efficiency, and prevent that the film from adsorbing the regeneration EVA film continuous type automatic production device that the dust influences product quality in the production process.
Disclosure of Invention
The invention aims to overcome the defects that in the existing EVA film production device, a film is not shaped immediately during production, holes are easy to appear in the stretching and rolling process and are difficult to repair, the cooling speed of the film is low in the later period, the film cannot be rapidly cooled and shaped, the overall production efficiency of equipment is low, and meanwhile, the film can generate static electricity in the operation process, so that dust brought in by the film is easy to adsorb when the film is rolled and the product quality is influenced.
The invention is achieved by the following specific technical means:
a continuous automatic production device for a regenerated EVA film comprises a support frame, an extrusion device, a rolling device, a cooling device, a rack, a first pressing roller, a fixed seat, a dedusting roller, an electrostatic elimination rod, a cutting device, a second pressing roller, an edge cutting device, a winding device and a control box; two extrusion devices are arranged above the supporting frame and fixedly arranged on the supporting frame through bolts; the rolling device is arranged on the left side of the support frame and is positioned below the two extrusion devices; a cooling device is arranged on the left side of the rolling device; the left side of the cooling device is provided with a rack, the first downward-pressing roller is positioned above the rack, the two sides of the cooling device are provided with fixed seats, and the first downward-pressing roller is rotatably arranged at the right end of the rack through the fixed seats; the two dust removing rollers are positioned at the upper end of the rack and are rotatably arranged on the rack through a fixed seat; the static eliminating rod is positioned at the left side of the dust removing roller and is fixedly arranged above the rack through a bolt; the left side of the static elimination bar is also provided with a cutting device which is fixedly arranged above the rack through bolts; the second pressing roller is positioned on the left side of the cutting device and is rotatably arranged on the rack through a fixed seat; the left side of the second pressing roller is also provided with an edge cutting device, and the edge cutting device is fixedly arranged on the rack through bolts; the left side of the edge cutting device is also provided with a waste collecting box which is fixedly arranged on the left side of the rack; the left side of the waste collection box is provided with a furling device; the control box is positioned in front of the support frame and is fixedly connected with the support frame; the extrusion device comprises a motor base, a first motor, a conveying pipe, a supporting seat, a hopper, a conveying screw rod, a connecting shaft, a heating plate, an outer shell, a melt pump and an extrusion die head; the motor base is positioned on the support frame and is fixedly connected with the support frame through a bolt; the first motor is positioned on the right side of the motor base and fixedly arranged on the motor base through bolts; a conveying pipe is arranged on the left side of the motor base, supporting seats are fixedly arranged at the left end and the right end below the conveying pipe, and the conveying pipe is fixedly arranged at the upper end of the supporting frame through the supporting seats; the hopper is positioned above the conveying pipe and fixedly arranged at the right end of the conveying pipe, and a feeding opening is formed at the joint of the conveying pipe and the hopper; a conveying screw is further arranged in the conveying pipe, the conveying screw is rotatably arranged in the conveying pipe through a bearing, and the right side of the conveying screw is fixedly connected with a rotating output shaft of the first motor through a connecting shaft; a plurality of heating sheets are arranged outside the conveying pipe; the outer side of the heating sheet is also fixedly provided with an outer shell; a melt pump is fixedly arranged at the left end of the conveying pipe; and an extrusion die head is arranged on the left side of the melt pump and is fixedly connected with the conveying pipe.
Further, the rolling device comprises a first side plate, a first rolling shaft, a second rolling shaft, a third rolling shaft and a fourth rolling shaft; the two first side plates are arranged, and a first rolling shaft, a second rolling shaft, a third rolling shaft and a fourth rolling shaft are arranged between the two first side plates; the first rolling shaft and the third rolling shaft are respectively positioned below the extrusion die heads of the two extrusion devices, and two sides of the first rolling shaft and the third rolling shaft are rotatably arranged on the two first side plates through bearings; the second rolling shaft is positioned between the first rolling shaft and the third rolling shaft, the fourth rolling shaft is positioned behind the third rolling shaft, and two sides of the fourth rolling shaft are rotatably installed on the two first side plates through bearings; the cooling device comprises a second side plate, a cooling water tank, a cooling shaft and a circulating pipe; two second side plates are arranged, a cooling water tank is fixedly arranged below the two second side plates, and a plurality of water inlet holes and water outlet holes are respectively formed in the front side and the rear side of the cooling water tank; a plurality of cooling shafts are arranged between the two second side plates, the cooling shafts are rotatably arranged at the upper and lower ends of the second side plates through bearings, a cavity is arranged in the center of each cooling shaft, and a water inlet hole and a water outlet hole are formed in the two ends of each cooling shaft; the circulating pipes are arranged at two sides of the two second side plates, one end of each circulating pipe is communicated with the water inlet and the water outlet which are arranged on the cooling water tank, and the other end of each circulating pipe is communicated with the water inlet and the water outlet which are arranged at two ends of the cooling shaft.
Further, the cutting device comprises a vertical plate, an installation plate, a cylinder, a cutter, a cushion block and a metering sensor; the two vertical plates are positioned at the upper end of the frame and fixedly arranged at the front side and the rear side of the frame through bolts, and one opposite side of the two vertical plates is also provided with a sliding chute; the mounting plate is positioned above the two vertical plates and is fixedly connected with the two vertical plates through bolts; the cylinder is positioned between the two vertical plates and is fixed above the mounting plate through bolts; the cutter is positioned below the mounting plate, and two sides of the cutter are provided with slide blocks which are slidably mounted between the two vertical plates; a cushion block is arranged at the lower side of the cutter and fixedly arranged between the two vertical plates; the metering sensor is positioned on the left side of the mounting plate and is fixedly mounted on the mounting plate through a bolt; the edge cutting device comprises a fixed plate, an edge cutting roller, an edge cutting rolling shaft and a hob; the two fixing plates are positioned on the left side of the second pressing roller and fixedly arranged at the upper end of the rack through bolts; the trimming roller is positioned between the two fixed plates and is rotatably arranged on the two fixed plates through a bearing; the trimming roller is positioned above the trimming roller and is rotatably arranged between the two fixed plates through a bearing; and a hob is fixedly arranged on the trimming roller through a bolt.
Further, the winding device comprises a fixed frame, a winding shaft, a belt wheel, a second motor and a belt; the upper end of the fixed frame is rotatably provided with a furling shaft through a bearing, and one end of the furling shaft extends to the outer side and is fixedly provided with a belt wheel; one side of the lower end of the fixing frame is provided with a second motor, a belt wheel is fixedly arranged on a rotating output shaft of the second motor, and the belt wheel arranged at one end of the winding shaft is connected with the belt wheel arranged on the rotating output shaft of the second motor through a belt.
Furthermore, the heating sheets are provided with three groups which are respectively arranged at the front section, the middle section and the rear section of the conveying pipe; make the conveyer pipe heat up gradually through the heating plate heat transfer, even heats the conveyer pipe, and each group's heating plate can set up different temperatures according to the different situation, makes the temperature of conveyer pipe be in evenly all the time, the defective rate and the rejection rate of the material that significantly reduces.
Further, the outer shell is made of a heat-insulating material; the protection heating plate keeps warm to the conveyer pipe when improving the security, guarantees the homogeneity of conveyer pipe temperature, prevents that the temperature fluctuation from influencing material stirring and transport greatly.
Further, a cutter cutting groove is formed in the upper end face of the cushion block; the cutting effect of the cutter is guaranteed, the cutter edge is protected from being damaged easily, and the service life of the cutter is prolonged.
Further, the cooling shaft is made of a high-thermal-conductivity material; the cooling water can take away the heat on the cooling shaft conveniently, and the rolled film is rapidly cooled and shaped through the cooling shaft, so that the film has good flexibility and stress cracking resistance.
Compared with the prior art, the invention has the following beneficial effects:
the invention achieves the effects of supplementing materials to the unshaped film in the production process, preventing holes from occurring in the film production process, simultaneously improving the cooling speed of the film, improving the overall working efficiency and preventing the film from adsorbing dust to influence the product quality in the production process.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a partial perspective view of the present invention.
Fig. 4 is a schematic sectional structure view of the extrusion apparatus of the present invention.
Fig. 5 is a schematic perspective view of a cutting device according to the present invention.
FIG. 6 is a schematic cross-sectional view of a cutting device according to the present invention.
Fig. 7 is a schematic perspective view of the trimming apparatus of the present invention.
Fig. 8 is a schematic perspective view of the furling device of the present invention.
The labels in the figures are: 1-a support frame, 2-an extrusion device, 3-a rolling device, 4-a cooling device, 5-a frame, 6-a first downward-pressing roller, 7-a fixed seat, 8-a dust-removing roller, 9-an electrostatic elimination bar, 10-a cutting device, 11-a second downward-pressing roller, 12-a trimming device, 13-a furling device, 14-a control box, 21-a motor seat, 22-a first motor, 23-a conveying pipe, 24-a supporting seat, 25-a hopper, 26-a conveying screw, 27-a connecting shaft, 28-a heating sheet, 29-an outer shell, 210-a melt pump, 211-an extrusion die head, 31-a first side plate, 32-a first rolling shaft, 33-a second rolling shaft, 34-a third rolling shaft, 35-a fourth rolling shaft, 41-a second side plate, 42-a cooling water tank, 43-a cooling shaft, 44-a circulating pipe, 101-a vertical plate, 102-a mounting plate, 103-an air cylinder, 104-a cutter, 105-a cushion block, 106-a metering sensor, 121-a fixing plate, 122-a trimming roller, 123-a trimming roller, 124-a hob, 131-a fixing frame, 132-a winding shaft, 133-a belt wheel, 134-a second motor and 135-a belt,
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples
A continuous automatic production device for a regenerated EVA film is shown in figures 1-8 and comprises a support frame 1, an extrusion device 2, a rolling device 3, a cooling device 4, a frame 5, a first pressing roller 6, a fixed seat 7, a dedusting roller 8, an electrostatic elimination bar 9, a cutting device 10, a second pressing roller 11, an edge cutting device 12, a winding device 13 and a control box 14; two extrusion devices 2 are arranged above the support frame 1, and the two extrusion devices 2 are fixedly arranged on the support frame 1 through bolts; the left side of the support frame 1 is provided with a rolling device 3, and the rolling device 3 is positioned below the two extrusion devices 2; a cooling device 4 is arranged on the left side of the rolling device 3; a rack 5 is arranged on the left side of the cooling device 4, a first downward-pressing roller 6 is positioned above the rack 5, fixing seats 7 are arranged on the two sides of the first downward-pressing roller 6, and the first downward-pressing roller 6 is rotatably arranged at the right end of the rack 5 through the fixing seats 7; two dust removing rollers 8 are arranged and positioned at the upper end of the frame 5, and the two dust removing rollers 8 are rotatably arranged on the frame 5 through a fixed seat 7; the static eliminating rod 9 is positioned at the left side of the dust removing roller 8 and is fixedly arranged above the rack 5 through a bolt; the left side of the static elimination bar 9 is also provided with a cutting device 10, and the cutting device 10 is fixedly arranged above the rack 5 through a bolt; the second pressing roller 11 is positioned on the left side of the cutting device 10 and is rotatably arranged on the rack 5 through the fixed seat 7; the left side of the second pressing roller 11 is also provided with an edge cutting device 12, and the edge cutting device 12 is fixedly arranged on the rack 5 through bolts; a waste collecting box is also arranged on the left side of the edge cutting device 12 and is fixedly arranged on the left side of the rack 5; the left side of the waste collection box is provided with a furling device 13; the control box 14 is positioned in front of the support frame 1 and is fixedly connected with the support frame 1; the extrusion device 2 comprises a motor base 21, a first motor 22, a conveying pipe 23, a supporting base 24, a hopper 25, a conveying screw 26, a connecting shaft 27, a heating sheet 28, an outer shell 29, a melt pump 210 and an extrusion die head 211; the motor base 21 is positioned on the support frame 1 and is fixedly connected with the support frame 1 through bolts; the first motor 22 is positioned on the right side of the motor base 21 and fixedly installed on the motor base 21 through bolts; a conveying pipe 23 is arranged on the left side of the motor base 21, supporting seats 24 are fixedly arranged at the left end and the right end below the conveying pipe 23, and the conveying pipe 23 is fixedly arranged at the upper end of the supporting frame 1 through the supporting seats 24; the hopper 25 is positioned above the conveying pipe 23 and is fixedly arranged at the right end of the conveying pipe 23, and a feeding opening is formed at the joint of the conveying pipe 23 and the hopper 25; a conveying screw 26 is further arranged in the conveying pipe 23, the conveying screw 26 is rotatably arranged in the conveying pipe 23 through a bearing, and the right side of the conveying screw 26 is fixedly connected with a rotating output shaft of the first motor 22 through a connecting shaft 27; a plurality of heating sheets 28 are arranged outside the conveying pipe 23; an outer shell 29 is fixedly arranged outside the heating sheet 28; a melt pump 210 is fixedly arranged at the left end of the conveying pipe 23; an extrusion die head 211 is arranged at the left side of the melt pump 210, and the extrusion die head 211 is fixedly connected with the conveying pipe 23.
The rolling device 3 comprises a first side plate 31, a first rolling shaft 32, a second rolling shaft 33, a third rolling shaft 34 and a fourth rolling shaft 35; two first side plates 31 are arranged, and a first rolling shaft 32, a second rolling shaft 33, a third rolling shaft 34 and a fourth rolling shaft 35 are arranged between the two first side plates 31; the first rolling shaft 32 and the third rolling shaft 34 are respectively positioned below the extrusion die heads 211 of the two extrusion devices 2, and two sides of the first rolling shaft are rotatably arranged on the two first side plates 31 through bearings; the second rolling shaft 33 is positioned between the first rolling shaft 32 and the third rolling shaft 34, the fourth rolling shaft 35 is positioned behind the third rolling shaft 34, and two sides of the fourth rolling shaft are rotatably mounted on the two first side plates 31 through bearings; the cooling device 4 is provided with a second side plate 41, a cooling water tank 42, a cooling shaft 43 and a circulating pipe 44; two second side plates 41 are arranged, a cooling water tank 42 is fixedly arranged below the two second side plates 41, and a plurality of water inlet holes and water outlet holes are respectively arranged on the front side and the rear side of the water tank; a plurality of cooling shafts 43 are arranged between the two second side plates 41, the cooling shafts 43 are rotatably arranged at the upper end and the lower end of each second side plate 41 through bearings, a cavity is arranged in the center of each cooling shaft 43, and a water inlet hole and a water outlet hole are formed in the two ends of each cooling shaft; a plurality of circulating pipes 44 are arranged at two sides of the two second side plates 41, one end of each circulating pipe 44 is communicated with a water inlet and a water outlet arranged on the cooling water tank 42, and the other end of each circulating pipe 44 is communicated with a water inlet and a water outlet arranged at two ends of the cooling shaft 43; the cutting device 10 comprises a vertical plate 101, a mounting plate 102, an air cylinder 103, a cutter 104, a cushion block 105 and a metering sensor 106; two vertical plates 101 are arranged at the upper end of the frame 5 and fixedly arranged at the front side and the rear side of the frame 5 through bolts, and a sliding groove is formed in one side, opposite to the two vertical plates 101, of each vertical plate; the mounting plate 102 is positioned above the two vertical plates 101 and is fixedly connected with the two vertical plates 101 through bolts; the air cylinder 103 is positioned between the two vertical plates 101 and is fixed above the mounting plate 102 through bolts; the cutter 104 is positioned below the mounting plate 102, and two sides of the cutter are provided with sliding blocks which are slidably mounted between the two vertical plates 101; a cushion block 105 is further arranged on the lower side of the cutter 104, and the cushion block 105 is fixedly arranged between the two vertical plates 101; the metering sensor 106 is positioned on the left side of the mounting plate 102 and is fixedly mounted on the mounting plate 102 through bolts; the trimming device 12 comprises a fixing plate 121, a trimming roller 122, a trimming roller 123 and a hob 124; two fixing plates 121 are arranged, are positioned on the left side of the second pressing roller 11, and are fixedly arranged at the upper end of the rack 5 through bolts; the trimming roller 122 is positioned between the two fixing plates 121 and is rotatably mounted on the two fixing plates 121 through a bearing; the trimming roller 123 is positioned above the trimming roller 122 and is rotatably mounted between the two fixing plates 121 through a bearing; the trimming roller 123 is also fixedly provided with a hob 124 through a bolt.
Principle of operation
Place the EVA raw materials into hopper 25, the opening equipment, first motor 22 rotates the output shaft and drives conveyor screw 26 rotatory through connecting axle 27, the material has been seted up feed opening from hopper 25 and conveyer pipe 23 junction and has been got into in the conveyer pipe 23, conveyor screw 26 is rotatory to stir the material when carrying the material to conveyer pipe 23 right side, the pipe outside of sending is provided with three group's heating plate 28, set up the anterior segment with conveyer pipe 23 respectively, middle section and back end, make conveyer pipe 23 progressively heat up through heating plate 28 heat transfer, even heat conveyer pipe 23, each group's heating plate 28 can set up different temperatures according to the different situation, the temperature that makes conveyer pipe 23 is in evenly all the time, the defective rate and the rejection rate of the material that significantly reduces.
The material is conveyed to the right side of the conveying pipe 23 through the conveying screw 26 and then conveyed to the right side of the extrusion die head 211 through the melt pump 210, the material is extruded and formed through the extrusion die head 211, the EVA raw material is extruded into a film through the lower end extrusion port of the sizing die head 211, then the extruded film falls into the first rolling shaft 32 below the sizing die head to be rolled, the film is wound to the second rolling shaft 33 through the first rolling shaft 32 to be rolled, then the film is wound to the third rolling shaft 34, the extrusion die head 211 is arranged above the third rolling shaft 34, the film extruded from the extrusion die head 211 above the third rolling shaft 34 falls into the third rolling shaft 34 below the sizing die head, the material is supplemented to the original film, and the phenomenon that holes appear in the rolling process of the original film and the overall quality of the film is influenced is avoided; then the film is rolled around a fourth rolling shaft 35, the rolled film is wound on a cooling shaft 43 in the cooling device 4, the cooling shaft 43 is made of a high-thermal-conductivity material, a hole cavity is formed in the center of the cooling shaft 43, water inlets and water outlets are formed in two sides of the cooling shaft 43, cold air water in the water tank is conveyed into the cooling shaft 43 through a circulating pipe 44 and flows back to the cooling water tank 42, the cooling water takes away heat on the cooling shaft 43, the cooling shaft 43 is always kept at a low temperature, and the rolled film is rapidly cooled and shaped through the low temperature of the cooling shaft 43, so that the film has good flexibility and stress crack resistance.
After rolling and cooling, the film is input from the right side of the frame 5, bypasses the lower part of the first lower pressing roller 6 to the bottom plate, passes through the dust removing roller 8, the static eliminating rod 9 and the cutting device 10, winds to the lower part of the second lower pressing roller 11, and is finally output from the position between the trimming roller 122 and the trimming roller 123 and wound on the winding shaft 132; the second motor 134 rotates the output shaft to rotate, the belt wheel 133 arranged on the output shaft is rotated to drive the belt wheel 133 arranged on one side of the winding shaft 132 to rotate through the belt 135, so that the winding shaft 132 rotates, and the film is wound; when a film is input from the right side of the rack 5, the film is pressed downwards through the first pressing roller 6 and the second pressing roller 11, the dedusting roller is arranged on the rack 5, the film is cooled and then dedusted on two sides of the film through the dedusting roller 8, the two sides of the film are prevented from being adhered with dust, the film after dedusting moves leftwards under the traction of the winding shaft 132, the static eliminating rod 9 is arranged on the left side of the dedusting roller 8, and the static eliminating rod 9 is used for eliminating static of the film, so that the film cannot adsorb impurities such as dust; film continues to move to the left side under the traction of roll-up axle 132 afterwards, frame 5 left side is provided with side cut device 12, when the film moved to the left side, hobbing cutter 124 on the side cut device 12 cut the edge on the both sides of film, excision film both sides unevenness department makes the film both sides keep leveling, make the width of film unanimous simultaneously, be convenient for roll-up, the film leftover bits of excision fall into the left garbage collection of frame 5 inwards, the later stage of being convenient for is followed new processing and is utilized, the film through cutting the edge at last passes through roll-up axle 132 and rolls up.
The left side of the static elimination rod 9 is also provided with a cutting device 10, one side of the cutting device 10 is provided with a metering sensor 106, the winding length of the film is set through a control electric box, then the length of the film is metered through the metering sensor 106, when the length of the film metered by the metering sensor 106 reaches a set value, the metering sensor 106 sends an electric signal to a cylinder 103 of the cutting device 10, a telescopic rod of the cylinder 103 drives a cutter 104 to move downwards to cut off the film, and the winding length of the film is controlled through the cutting device 10; the effect of quantitative rolling is achieved, and the weight of the rolled film is consistent; the metering sensor 106 sends an electric signal to the air cylinder 103 of the cutting device 10 and also sends an electric signal to the control box 14, the control box 14 records the wound film, production records are generated, later statistics is facilitated, and the use convenience of the device is improved.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of the power supply also belongs to the common knowledge in the field, and the invention is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the invention.
Although the present disclosure has been described in detail with reference to the exemplary embodiments, the present disclosure is not limited thereto, and it will be apparent to those skilled in the art that various modifications and changes can be made thereto without departing from the scope of the present disclosure.
Claims (8)
1. A continuous automatic production device for a regenerated EVA (ethylene vinyl acetate) film comprises a support frame (1), an extrusion device (2), a rolling device (3), a cooling device (4), a rack (5), a first pressing roller (6), a fixed seat (7), a dedusting roller (8), an electrostatic elimination bar (9), a cutting device (10), a second pressing roller (11), an edge cutting device (12), a winding device (13) and a control box (14); the device is characterized in that two extrusion devices (2) are arranged above the support frame (1), and the two extrusion devices (2) are fixedly arranged on the support frame (1) through bolts; the rolling device (3) is arranged on the left side of the support frame (1), and the rolling device (3) is positioned below the two extrusion devices (2); a cooling device (4) is arranged on the left side of the rolling device (3); a rack (5) is arranged on the left side of the cooling device (4), the first downward-pressing roller (6) is positioned above the rack (5), fixing seats (7) are arranged on the two sides of the cooling device, and the first downward-pressing roller (6) is rotatably arranged at the right end of the rack (5) through the fixing seats (7); two dust removing rollers (8) are arranged and are positioned at the upper end of the rack (5), and the two dust removing rollers (8) are rotatably arranged on the rack (5) through a fixed seat (7); the static eliminating rod (9) is positioned at the left side of the dust removing roller (8) and is fixedly arranged above the rack (5) through a bolt; a cutting device (10) is also arranged on the left side of the static eliminating rod (9), and the cutting device (10) is fixedly arranged above the rack (5) through a bolt; the second pressing roller (11) is positioned on the left side of the cutting device (10) and is rotatably arranged on the rack (5) through a fixed seat (7); the left side of the second pressing roller (11) is also provided with a trimming device (12), and the trimming device (12) is fixedly arranged on the rack (5) through bolts; a waste collecting box is also arranged on the left side of the edge cutting device (12), and the waste collecting box is fixedly arranged on the left side of the rack (5); the left side of the waste collecting box is provided with a furling device (13); the control box (14) is positioned in front of the support frame (1) and is fixedly connected with the support frame (1); the extrusion device (2) comprises a motor base (21), a first motor (22), a conveying pipe (23), a supporting base (24), a hopper (25), a conveying screw (26), a connecting shaft (27), a heating sheet (28), an outer shell (29), a melt pump (210) and an extrusion die head (211); the motor base (21) is positioned on the support frame (1) and is fixedly connected with the support frame (1) through bolts; the first motor (22) is positioned on the right side of the motor base (21) and fixedly arranged on the motor base (21) through bolts; a conveying pipe (23) is arranged on the left side of the motor base (21), supporting seats (24) are fixedly arranged at the left end and the right end below the conveying pipe (23), and the conveying pipe (23) is fixedly arranged at the upper end of the supporting frame (1) through the supporting seats (24); the hopper (25) is positioned above the conveying pipe (23) and fixedly arranged at the right end of the conveying pipe (23), and a feeding opening is formed at the joint of the conveying pipe (23) and the hopper (25); a conveying screw rod (26) is further arranged in the conveying pipe (23), the conveying screw rod (26) is rotatably arranged in the conveying pipe (23) through a bearing, and the right side of the conveying screw rod (26) is fixedly connected with a rotating output shaft of the first motor (22) through a connecting shaft (27); a plurality of heating sheets (28) are arranged outside the conveying pipe (23); an outer shell (29) is fixedly arranged on the outer side of the heating sheet (28); a melt pump (210) is fixedly arranged at the left end of the conveying pipe (23); an extrusion die head (211) is arranged on the left side of the melt pump (210), and the extrusion die head (211) is fixedly connected with the conveying pipe (23).
2. The continuous automatic production device for recycled EVA films according to claim 1, wherein the rolling device (3) comprises a first side plate (31), a first rolling shaft (32), a second rolling shaft (33), a third rolling shaft (34) and a fourth rolling shaft (35); two first side plates (31) are arranged, and a first rolling shaft (32), a second rolling shaft (33), a third rolling shaft (34) and a fourth rolling shaft (35) are arranged between the two first side plates (31); the first rolling shaft (32) and the third rolling shaft (34) are respectively positioned below the extrusion die heads (211) of the two extrusion devices (2), and two sides of the first rolling shaft are rotatably arranged on the two first side plates (31) through bearings; the second rolling shaft (33) is positioned between the first rolling shaft (32) and the third rolling shaft (34), the fourth rolling shaft (35) is positioned behind the third rolling shaft (34), and two sides of the fourth rolling shaft are rotatably installed on the two first side plates (31) through bearings; the cooling device (4) comprises a second side plate (41), a cooling water tank (42), a cooling shaft (43) and a circulating pipe (44); two second side plates (41) are arranged, a cooling water tank (42) is fixedly arranged below the two second side plates (41), and a plurality of water inlet holes and water outlet holes are respectively formed in the front side and the rear side of the water tank; a plurality of cooling shafts (43) are arranged between the two second side plates (41), the cooling shafts (43) are rotatably arranged at the upper end and the lower end of each second side plate (41) through bearings, a cavity is arranged in the center of each cooling shaft (43), and water inlet holes and water outlet holes are formed in the two ends of each cooling shaft; the circulating pipes (44) are provided with a plurality of circulating pipes and are positioned at two sides of the two second side plates (41), one end of each circulating pipe (44) is communicated with a water inlet and a water outlet which are arranged on the cooling water tank (42), and the other end of each circulating pipe (44) is communicated with a water inlet and a water outlet which are arranged at two ends of the cooling shaft (43).
3. The continuous automatic production device for the regenerated EVA film of claim 1, wherein the cutting device (10) comprises a vertical plate (101), a mounting plate (102), an air cylinder (103), a cutter (104), a cushion block (105) and a metering sensor (106); two vertical plates (101) are arranged, are positioned at the upper end of the rack (5), and are fixedly arranged at the front side and the rear side of the rack (5) through bolts, and a sliding groove is also formed in one side, opposite to the two vertical plates (101); the mounting plate (102) is positioned above the two vertical plates (101) and is fixedly connected with the two vertical plates (101) through bolts; the air cylinder (103) is positioned between the two vertical plates (101) and is fixed above the mounting plate (102) through bolts; the cutter (104) is positioned below the mounting plate (102), two sides of the cutter are provided with slide blocks, and the cutter is slidably mounted between the two vertical plates (101) through the slide blocks; a cushion block (105) is further arranged on the lower side of the cutter (104), and the cushion block (105) is fixedly arranged between the two vertical plates (101); the metering sensor (106) is positioned on the left side of the mounting plate (102) and is fixedly mounted on the mounting plate (102) through a bolt; the trimming device (12) comprises a fixing plate (121), a trimming roller (122), a trimming roller (123) and a hob (124); two fixing plates (121) are arranged, are positioned on the left side of the second pressing roller (11), and are fixedly arranged at the upper end of the rack (5) through bolts; the trimming roller (122) is positioned between the two fixing plates (121) and is rotatably arranged on the two fixing plates (121) through a bearing; the trimming roller (123) is positioned above the trimming roller (122) and is rotatably arranged between the two fixing plates (121) through a bearing; and a hob (124) is also fixedly arranged on the trimming roller (123) through bolts.
4. The continuous automatic production device of the regenerated EVA film of claim 1, wherein the winding device (13) comprises a fixing frame (131), a winding shaft (132), a belt wheel (133), a second motor (134) and a belt (135); a take-up shaft (132) is rotatably arranged at the upper end of the fixed frame (131) through a bearing, and one end of the take-up shaft (132) extends to the outer side and is fixedly provided with a belt wheel (133); a second motor (134) is arranged on one side of the lower end of the fixed frame (131), a belt wheel (133) is fixedly arranged on a rotating output shaft of the second motor (134), and the belt wheel (133) arranged at one end of the winding shaft (132) is connected with the belt wheel (133) arranged on the rotating output shaft of the second motor (134) through a belt (135).
5. The continuous automatic production device of recycled EVA film of claim 1, wherein the heating plates (28) are provided with three sets, respectively provided with the front section, the middle section and the rear section of the conveying pipe (23).
6. The continuous automatic production device of recycled EVA films of claim 1, wherein the outer casing (29) is made of heat insulating material.
7. The continuous automatic production device for recycled EVA films of claim 3, wherein the upper end face of the cushion block (105) is provided with a cutting groove of the cutter (104).
8. The continuous automatic production device of recycled EVA film of claim 2, wherein the cooling shaft (43) is made of high thermal conductivity material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210262074.7A CN114506051A (en) | 2022-03-17 | 2022-03-17 | Continuous automatic production device for regenerated EVA (ethylene vinyl acetate) film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210262074.7A CN114506051A (en) | 2022-03-17 | 2022-03-17 | Continuous automatic production device for regenerated EVA (ethylene vinyl acetate) film |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210262074.7A Pending CN114506051A (en) | 2022-03-17 | 2022-03-17 | Continuous automatic production device for regenerated EVA (ethylene vinyl acetate) film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115946323A (en) * | 2023-03-15 | 2023-04-11 | 福建玮晟机械有限公司 | EVA photovoltaic membrane production line |
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