CN108527827B - Improved PVC film blowing machine - Google Patents

Improved PVC film blowing machine Download PDF

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Publication number
CN108527827B
CN108527827B CN201810189288.XA CN201810189288A CN108527827B CN 108527827 B CN108527827 B CN 108527827B CN 201810189288 A CN201810189288 A CN 201810189288A CN 108527827 B CN108527827 B CN 108527827B
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Prior art keywords
roller
fixed
mounting plate
cooling
pressing roller
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CN201810189288.XA
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Chinese (zh)
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CN108527827A (en
Inventor
张伟忠
苏跃锋
施叶标
汪琴伟
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Zhejiang Huifeng Zhicheng Technology Co.,Ltd.
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Zhejiang Huifeng Film Technology Co ltd
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Publication of CN108527827A publication Critical patent/CN108527827A/en
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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
    • B29C48/0022—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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/18—Means for removing cut-out material or waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
    • B29B13/022—Melting the material to be shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • 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
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/275—Recovery or reuse of energy or materials
    • B29C48/277—Recovery or reuse of energy or materials of materials
    • 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
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • B29C2035/1658—Cooling using gas
    • 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
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Environmental & Geological Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention provides an improved PVC film blowing machine, and belongs to the technical field of film blowing machines. It has solved the problem of blowing inefficiency among the prior art. The improved PVC film blowing machine comprises a base, wherein a first mounting plate and a second mounting plate which are arranged in parallel are fixed on the base, a mounting frame is detachably arranged between the first mounting plate and the second mounting plate, a melting mechanism capable of melting raw materials is arranged on the base, a film blowing mechanism capable of blowing out film materials is arranged on one side of the melting mechanism, a cooling mechanism capable of cooling the film materials is arranged below the film blowing mechanism, a third traction roller is arranged above the cooling mechanism, a cutting mechanism capable of cutting edge materials is arranged above the third traction roller, and a recovery mechanism capable of recovering waste materials is arranged above the cutting mechanism; still be equipped with pinch roller one and pinch roller two between mounting panel one and the mounting panel II, one side of pinch roller one and pinch roller two is equipped with the receiving agencies that can be with the membrane material rolling. The invention has the advantage of high film blowing efficiency.

Description

Improved PVC film blowing machine
Technical Field
The invention belongs to the technical field of film blowing machines, and relates to an improved PVC film blowing machine.
Background
The film blowing machine comprises the process flows of raw material mixing, thermoplastic extrusion, inflation, cooling, traction and winding. The plastic particles enter the screw rod from the hopper by means of the weight of the plastic particles, after the particles are contacted with the thread inclined edges, the rotating inclined edges face the plastic and produce a thrust force vertical to the inclined edges, the plastic particles are pushed forwards, in the pushing process, the plastic particles are gradually melted due to the friction between the plastic and the screw rod, between the plastic and the machine barrel and the collision friction among the particles, meanwhile, the molten plastic is heated and gradually melted due to the external heating of the material barrel, the molten plastic is filtered by the machine head to remove impurities and comes out from a die head die orifice, and the molten plastic is cooled and blown up by the wind ring, and a finished film is coiled into a cylinder by the foam stabilizing frame lambdo. In the prior art, the cooling effect is poor, the film blowing machine is large in size, and the rolled film needs to be manually processed from new scraps.
Through retrieval, for example, chinese patent document discloses a film blowing machine [ patent No.: ZL 201511016254.3; authorization notice number: CN105415660A ]. The film blowing machine includes extruder, die head, fixed core rod, wind ring, drawing roller and V-shaped frame. The die head with the junction of deciding the core stick is provided with first air outlet, first air outlet set up in the inboard of the discharge gate of die head, decide the core stick and be provided with the second air outlet, the second air outlet set up in decide the rod body of core stick. However, the film blowing machine does not discharge the edge materials of the film materials, the edge materials are required to be cut manually after production, full-automatic film blowing is not realized, and the film blowing efficiency is relatively low.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an improved PVC film blowing machine which has the characteristics of full-automatic film blowing and high film blowing efficiency.
The purpose of the invention can be realized by the following technical scheme:
an improved PVC film blowing machine comprises a base, wherein two parallel mounting plates I and II are fixed on the base, and a mounting frame is detachably arranged between the mounting plates I and II; a cooling mechanism capable of cooling the film material is arranged below the film blowing mechanism, a first traction roller and a second traction roller are arranged below the cooling mechanism, a third traction roller is arranged above the cooling mechanism, the first traction roller, the second traction roller and the third traction roller are arranged between the first mounting plate and the second mounting plate in an axially fixed and circumferentially rotating mode, a cutting mechanism capable of cutting the rim charge is arranged above the third traction roller, and a recovery mechanism capable of recovering the waste material is arranged above the cutting mechanism; the film material winding device is characterized in that a first pressing roller and a second pressing roller are further arranged between the first mounting plate and the second mounting plate, the first pressing roller and the second pressing roller are both located on one side of the cutting mechanism, the second pressing roller is located below the first pressing roller, a channel for film materials to pass through is formed between the first pressing roller and the second pressing roller, and a material receiving mechanism capable of winding the film materials is arranged on one side of the first pressing roller and one side of the second pressing roller.
The improved work flow of the PVC film blowing machine comprises the steps that firstly, raw materials are placed into a melting mechanism, the melting mechanism melts the raw materials and sends the melted raw materials into a film blowing mechanism, and the film blowing mechanism outputs film materials from a discharge port after the raw materials are treated; secondly, the film material is cooled by a cooling mechanism and then conveyed by a first drawing roller and a second drawing roller; then, when the film passes through the third drawing roller, the cutting mechanism above the third drawing roller starts to cut the edge material of the film, and the cut waste materials are recycled by the recycling mechanism; and finally, conveying the film material to a material receiving mechanism through a first compression roller and a second compression roller.
The melting mechanism comprises a rectangular melting box, the melting box is fixed on the base, a first feeding hole is formed in the top of the melting box, a first discharging hole is formed in one side of the melting box, the first discharging hole is connected with a second feeding hole through a discharging pipe, an electric heater is fixed inside the melting box, and a heat insulation layer is fixed on the inner wall of the melting box. And the raw material is placed into the melting box through the first feeding hole at the top, the raw material is heated by the electric heater in the melting box, and the heated raw material is in a liquid state and flows into the film blowing mechanism through the discharging pipe.
The power structure comprises an electromagnetic speed regulating motor and a speed reducer, wherein the electromagnetic speed regulating motor and the speed reducer are fixed on the base, an output shaft of the electromagnetic speed regulating motor is connected with an input shaft of the speed reducer through a first coupling, and the screw is connected with an output shaft of the speed reducer through a second coupling. When the electromagnetic speed regulating motor operates, an output shaft of the electromagnetic speed regulating motor drives the first coupler to rotate, the first coupler rotates to drive the speed reducer to rotate, the speed reducer rotates to drive the second coupler to rotate, and the second coupler rotates to drive the screw to rotate.
The cooling mechanism comprises a cooling roller with an air inlet and an air blower with an air outlet, the air blower is fixed on the first mounting plate, the air outlet of the air blower is connected with the air inlet of the cooling roller and passes through the air inlet, a plurality of air outlet holes are formed in the wall of the cooling roller, and the air outlet holes are all in a long strip shape. The air blower is started, the cooling roller starts air inlet under the action of the air blower, and air passes through the cooling roller and then goes out from the outlet of the air blower, so that the air flowing is realized, and the effect of cooling the film material is achieved.
And bearings are arranged at two ends of the cooling roller, inner rings of the bearings are fixed with two ends of the cooling roller respectively, and outer rings of the bearings are fixed on the first mounting plate and the second mounting plate respectively. Make cooling drum can rotate along with the membrane material conveying through setting up the bearing, cooling drum rotates and promotes the circulation with higher speed of air, makes the membrane material cooling effect better.
Cutting mechanism include dead lever, left-hand knife and right-hand knife, the dead lever both ends rotate to be connected on mounting panel one and mounting panel two, the dead lever seted up a sliding tray along its axial, left-hand knife is last to be fixed with to match with the sliding tray and can follow its gliding sliding block one, right-hand knife is last to be fixed with to match with the sliding tray and can follow its gliding sliding block two, sliding block one and sliding block two on be equipped with self-locking switch respectively, the mounting bracket on be equipped with and to make the dead lever take place wobbling oscillating structure, oscillating structure include cylinder one, the cylinder body of cylinder one articulate on the mounting bracket, the piston rod of cylinder one articulates on above-mentioned dead lever. According to the width of the actually required film material, the distance between the left cutter and the right cutter is adjusted through the first sliding block and the second sliding block, the self-locking switch is pressed to prevent the first sliding block and the second sliding block from sliding relatively, the piston rod of the first air cylinder moves outwards to enable the fixed rod to swing, the cutting mechanism is in a working state, and when the film material passes through the cutting mechanism, the left cutter and the right cutter cut redundant rim charge.
The recovery mechanism include collection box, left recovery tube, right recovery tube and be the hose of Y shape, the hose on have port one, port two and port three, the entry of left recovery tube be located left cutter top, left recovery tube in be equipped with valve one, the export of left recovery tube communicate the entry of a left recovery pump, the export of left recovery pump communicates the port one of hose, the entry of right recovery tube be located right cutter top, right recovery tube in be equipped with valve two, the export of right recovery tube communicate the entry of a right recovery pump, the export of right recovery pump communicates the port two of hose, the three intercommunication collection boxes of port of hose. The leftover materials cut by the cutting mechanism are sent into the hose through the left recovery pipe and the right recovery pipe under the action of the left recovery pump and the right recovery pump, and finally are conveyed into the recovery box to be recycled, so that the production cost is saved.
Receiving agencies including receiving workbin and ejection of compact board, receiving workbin and ejection of compact board all fix on the base, receive one side of workbin and seted up feed inlet three, the one end of ejection of compact board is towards foretell compression roller one and compression roller two, the other end of ejection of compact board is in feed inlet three, one side of ejection of compact board is fixed with a knife rest, the knife rest on articulated have a cutting knife that can cut off the membrane material, cutting knife and one can drive its wobbling cylinder two and link to each other, the cylinder body of cylinder two articulates on mounting panel one, the piston rod of cylinder two articulates on the cutting knife. When the membrane material passes through the compression roller I and the compression roller II is carried on the play flitch, gets into through the play flitch and receives the workbin, according to the length of required membrane material, steerable cylinder utilizes the cutting knife to cut the membrane material.
The second compression roller is connected with a driving structure capable of driving the second compression roller to rotate, the driving structure comprises a driving motor, a main gear, a driven gear and a chain, the driving motor is fixed on the first mounting plate, the main gear is fixed on an output shaft of the driving motor, the driven gear is fixed at one end of the second compression roller, and the chain is arranged between the main gear and the driven gear. And operating the driving motor, wherein an output shaft of the driving motor drives the main gear to rotate, the main gear rotates to drive the chain to rotate, the chain rotates to drive the driven gear to rotate, and the driven gear rotates to drive the second compression roller to rotate.
The mounting frame comprises a plurality of vertical rods and a plurality of transverse rods fixed on the vertical rods, the vertical rods are vertically arranged, the transverse rods are horizontally arranged, and the transverse rods are connected with the vertical rods through bolts and nuts; the mounting panel is characterized in that a first sliding groove is vertically formed in one side of the first mounting panel, a second sliding groove is vertically formed in one side of the second mounting panel, the first sliding groove and the second sliding groove are located on the same side, a first sliding strip and a second sliding strip are fixed on the vertical rods close to the first mounting panel and the second mounting panel respectively, and the first sliding strip and the second sliding strip are arranged in the first sliding groove and the second sliding groove in a sliding mode. The mounting bracket plays a good supporting role, is simple in structure and convenient to detach, and the mounting plate I and the mounting plate II are convenient to detach and replace by arranging the sliding strip I and the sliding strip II.
Compared with the prior art, this PVC inflation film manufacturing machine of improving has following advantage:
1. according to the invention, by arranging the cutting mechanism and the cutting knife, the width and the length of the membrane material are cut well in the production process, the subsequent re-cutting procedures are reduced, and the production efficiency is improved.
2. According to the invention, the recovery mechanism is arranged, and the left recovery pump and the right recovery pump recover the waste materials, so that the waste materials are recycled, and the production cost is saved.
3. According to the invention, the cooling roller is arranged, the cooling roller can realize driven rotation under the driving of the compression roller II, so that air flows at an accelerated speed, the cooling efficiency is improved, the cooling effect of the film material is good when the film material passes through the cooling roller, and the quality of the film material is greatly improved.
4. The invention has the advantages of good supporting effect, simple structure and convenient disassembly by arranging the slidable mounting rack.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a partial perspective view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a partial structure schematic diagram of the film blowing mechanism of the invention.
Fig. 5 is a schematic structural diagram of the cutting mechanism of the present invention.
Fig. 6 is a schematic view of the recovery mechanism of the present invention.
In the figure, 1, a base; 2. a first mounting plate; 3. a second mounting plate; 4. a mounting frame; 5. a melting box; 5a, a first feeding hole; 5b, a first discharge hole; 6. a film blowing mechanism; 6a, an electromagnetic speed regulating motor; 6b, a first coupler; 6c, a speed reducer; 6d, a second coupler; 6e, a screw; 7. a cooling mechanism; 8. a first drawing roller; 9. a second drawing roller; 10. a third drawing roll; 11. a cutting mechanism; 11a, fixing rods; 11b, a sliding groove; 11c, a left cutter; 11d, a right cutter; 11e, a first sliding block; 11f, a second sliding block; 11g, a first air cylinder; 12. a recovery mechanism; 12a, a recycling bin; 12b, a left recovery pipe; 12c, a right recovery pipe; 12d, a left recovery pump; 12e, a right recovery pump; 12f, a hose; 13. a first compression roller; 14. a second compression roller; 14a, a driving structure; 15. a material receiving box; 15a, a discharging plate; 15b, a cutter; 15c, cylinder two.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, 2 and 3, an improved PVC film blowing machine comprises a base 1, wherein two parallel mounting plates I2 and II 3 are fixed on the base 1, a mounting frame 4 is detachably arranged between the mounting plates I2 and II 3, the mounting frame 4 comprises a plurality of vertical rods and a plurality of transverse rods fixed on the vertical rods, the vertical rods are vertically arranged, the transverse rods are horizontally arranged, and the transverse rods are connected with the vertical rods through bolts and nuts; a first sliding groove is vertically formed in one side of the first mounting plate 2, a second sliding groove is vertically formed in one side of the second mounting plate 3, the first sliding groove and the second sliding groove are located on the same side, a first sliding strip and a second sliding strip are fixed on the vertical rods close to the first mounting plate 2 and the second mounting plate 3 respectively, and the first sliding strip and the second sliding strip are arranged in the first sliding groove and the second sliding groove in a sliding mode. The mounting bracket 4 plays a good supporting role, is simple in structure and convenient to detach, and facilitates the detachment and replacement of the mounting plate I2 and the mounting plate II 3 by arranging the sliding strip I and the sliding strip II.
Be equipped with on base 1 and can be with the melting mechanism of raw materials melting, melting mechanism is including the melting case 5 that is the rectangle form, and melting case 5 is fixed on base 1, and feed inlet one 5a has been seted up at the top of melting case 5, and discharge gate one 5b has been seted up to one side of melting case 5, and discharge gate one 5b passes through the discharging pipe and links to each other with feed inlet two, and melting case 5 is inside to be fixed with an electric heater, is fixed with the heat preservation on the inner wall of melting case 5. Raw materials are placed into the melting box 5 through a feeding hole I5 a in the top, an electric heater in the melting box 5 heats the raw materials, and the heated raw materials are in a liquid state and flow into the film blowing mechanism 6 through a discharging pipe.
One side of the melting mechanism is provided with a film blowing mechanism 6 capable of blowing out a film material, as shown in fig. 4, the film blowing mechanism 6 comprises a rectangular main mold body and an auxiliary mold body, heat insulation layers are arranged on the opposite sides of the main mold body and the auxiliary mold body, a containing cavity for blowing out the film material is formed between the main mold body and the auxiliary mold body, a screw rod 6e is arranged in the containing cavity, the screw rod 6e is connected with a power structure, the power structure comprises an electromagnetic speed regulating motor 6a and a speed reducer 6c, the electromagnetic speed regulating motor 6a and the speed reducer 6c are fixed on the base 1, an output shaft of the electromagnetic speed regulating motor 6a is connected with an input shaft of the speed reducer 6c through a coupling I6 b, the screw rod 6e is connected with an output shaft of the speed reducer 6c through a coupling II 6d, the upper parts of the main mold body and the auxiliary mold body are provided. When the electromagnetic speed regulation motor 6a operates, the output shaft of the electromagnetic speed regulation motor 6a drives the first coupler 6b to rotate, the first coupler 6b rotates to drive the speed reducer 6c to rotate, the speed reducer 6c rotates to drive the second coupler 6d to rotate, and the second coupler 6d rotates to drive the screw rod 6e to rotate.
The below of blown film mechanism 6 is equipped with can be with the refrigerated cooling body 7 of membrane material, and cooling body 7 is including the cooling drum that has the air intake and the air-blower that has the air outlet, and the air-blower is fixed on mounting panel 2, and the air outlet of air-blower links to each other with the air intake of cooling drum and passes through, has seted up a plurality of exhaust vents on the section of thick bamboo wall of cooling drum, and the exhaust vent all is rectangular form. And bearings are arranged at two ends of the cooling roller, inner rings of the bearings are fixed with two ends of the cooling roller respectively, and outer rings of the bearings are fixed on the first mounting plate 2 and the second mounting plate 3 respectively. The air blower is started, the cooling roller starts air inlet under the action of the air blower, and air passes through the cooling roller and then goes out from the outlet of the air blower, so that the air flowing is realized, and the effect of cooling the film material is achieved. Make cooling drum can rotate along with the membrane material conveying through setting up the bearing, cooling drum rotates and promotes the circulation with higher speed of air, makes the membrane material cooling effect better.
A first traction roller 8 and a second traction roller 9 are arranged below the cooling mechanism 7, a third traction roller 10 is arranged above the cooling mechanism 7, the first traction roller 8, the second traction roller 9 and the third traction roller 10 are arranged between the first mounting plate 2 and the second mounting plate 3 in an axial fixing and circumferential rotating mode, a cutting mechanism 11 capable of cutting the edge material is arranged above the third traction roller 10, as shown in figure 5, the cutting mechanism 11 comprises a fixed rod 11a, a left cutter 11c and a right cutter 11d, two ends of the fixed rod 11a are rotatably connected to the first mounting plate 2 and the second mounting plate 3, a sliding groove 11b is formed in the fixed rod 11a along the axial direction, a first sliding block 11e which is matched with and can slide along the sliding groove 11b is fixed on the left cutter 11c, a second sliding block 11f which is matched with and can slide along the sliding groove 11b is fixed on the right cutter 11d, and self-locking switches are respectively arranged on the first sliding block 11e and the second sliding block, the mounting frame 4 is provided with a swinging structure capable of enabling the fixing rod 11a to swing, the swinging structure comprises a cylinder 11g, a cylinder body of the cylinder 11g is hinged to the mounting frame 4, and a piston rod of the cylinder 11g is hinged to the fixing rod 11 a. According to the width of the actually required film material, the distance between the left cutter 11c and the right cutter 11d is adjusted through the first sliding block 11e and the second sliding block 11f, the self-locking switch is pressed to prevent the first sliding block 11e and the second sliding block 11f from sliding relatively, the piston rod of the first air cylinder 11g moves outwards to enable the fixing rod 11a to swing, the cutting mechanism 11 is in a working state, and when the film material passes through the cutting mechanism 11, the left cutter 11c and the right cutter 11d cut redundant rim charge.
As shown in fig. 6, the recycling mechanism 12 capable of recycling the waste materials is disposed above the cutting mechanism 11, and the recycling mechanism 12 includes a recycling tank 12a, a left recycling pipe 12b, a right recycling pipe 12c, and a Y-shaped hose 12f, the hose 12f has a first port, a second port, and a third port, an inlet of the left recycling pipe 12b is disposed above the left cutter 11c, the left recycling pipe 12b has a first valve, an outlet of the left recycling pipe 12b is communicated with an inlet of a left recycling pump 12d, an outlet of the left recycling pump 12d is communicated with the first port of the hose 12f, an inlet of the right recycling pipe 12c is disposed above the right cutter 11d, the right recycling pipe 12c has a second valve, an outlet of the right recycling pipe 12c is communicated with an inlet of a right recycling pump 12e, an outlet of the right recycling pump 12e is communicated with the second port of the hose 12f, and a third port of the hose 12f is communicated with the recycling. The leftover materials cut by the cutting mechanism 11 are sent into the hose 12f through the left recovery pipe 12b and the right recovery pipe 12c under the action of the left recovery pump 12d and the right recovery pump 12e, and finally are conveyed into the recovery box 12a to be recycled, so that the production cost is saved.
A first pressing roller 13 and a second pressing roller 14 are arranged between the first mounting plate 2 and the second mounting plate 3, the first pressing roller 13 and the second pressing roller 14 are both positioned at one side of the cutting mechanism 11, the second pressing roller 14 is positioned below the first pressing roller 13, a channel for a film to pass through is formed between the first pressing roller 13 and the second pressing roller 14, a material receiving mechanism capable of rolling the film is arranged at one side of the first pressing roller 13 and the second pressing roller 14, the material receiving mechanism comprises a material receiving box 15 and a material discharging plate 15a, the material receiving box 15 and the material discharging plate 15a are both fixed on the base 1, a third feeding port is formed at one side of the material receiving box 15, one end of the material discharging plate 15a faces towards the first pressing roller 13 and the second pressing roller 14, the other end of the material discharging plate 15a is positioned in the third feeding port, a knife rest is fixed at one side of the material discharging plate 15a, a cutting knife rest capable of cutting off the film is hinged on the knife rest, the cutting, the cylinder body of the second cylinder 15c is hinged on the first mounting plate 2, and the piston rod of the second cylinder 15c is hinged on the cutting knife 15 b. When the membrane material is conveyed to the discharging plate 15a through the first pressing roller 13 and the second pressing roller 14, the membrane material enters the material receiving box 15 through the discharging plate 15a, and the cylinder can be controlled to cut the membrane material by using the cutting knife 15b according to the length of the required membrane material.
The second pinch roller 14 is connected with a driving structure 14a capable of driving the second pinch roller to rotate, the driving structure 14a comprises a driving motor, a main gear, a driven gear and a chain, the driving motor is fixed on the first mounting plate 2, the main gear is fixed on an output shaft of the driving motor, the driven gear is fixed at one end of the second pinch roller 14, and the chain is arranged between the main gear and the driven gear. And operating the driving motor, wherein an output shaft of the driving motor drives the main gear to rotate, the main gear drives the chain to rotate, the chain drives the driven gear to rotate, and the driven gear drives the second compression roller 14 to rotate.
The improved working process of the PVC film blowing machine is that firstly, raw materials are put into a melting box 5, an electric heater in the melting box 5 heats the raw materials, the heated raw materials are in a liquid state, flow to a second feeding hole through a discharging pipe to reach a containing cavity, and flow out of a second discharging hole after being processed in the containing cavity; secondly, the film material is cooled by a cooling roller and then conveyed by a first drawing roller 8 and a second drawing roller 9; then, when the film passes through the third drawing roller 10, the left cutter 11c and the right cutter 11d above the third drawing roller start to cut the edge material of the film, and the cut waste materials are recycled into the recycling tank 12a by the left recycling pump 12d and the right recycling pump 12 e; finally, the film is conveyed to a receiving box 15 through a first pressing roller 13 and a second pressing roller 14.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Although the base 1 is used more herein; a first mounting plate 2; a second mounting plate 3; a mounting frame 4; a melting tank 5; a first feed opening 5 a; a first discharge port 5 b; a film blowing mechanism 6; an electromagnetic speed-regulating motor 6 a; a first coupling 6 b; a speed reducer 6 c; a second coupling 6 d; a screw 6 e; a cooling mechanism 7; a first drawing roller 8; a second drawing roller 9; a third drawing roller 10; a cutting mechanism 11; a fixing lever 11 a; a slide groove 11 b; a left cutter 11 c; a right cutter 11 d; a first sliding block 11 e; a second sliding block 11 f; a first cylinder 11 g; a recovery mechanism 12; a recovery tank 12 a; a left recovery pipe 12 b; a right recovery pipe 12 c; a left recovery pump 12 d; a right recovery pump 12 e; a hose 12 f; a first pressure roller 13; a second pressure roller 14; the drive structure 14 a; a material receiving box 15; a discharge plate 15 a; a cutting blade 15 b; cylinder two 15c, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (1)

1. An improved PVC film blowing machine comprises a base, wherein two parallel mounting plates I and two parallel mounting plates II are fixed on the base, a mounting frame is detachably arranged between the mounting plates I and the mounting plates II, and the improved PVC film blowing machine is characterized in that a melting mechanism capable of melting raw materials is arranged on the base and comprises a rectangular melting box, the melting box is fixed on the base, a feeding port I is arranged at the top of the melting box, a discharging port I is arranged on one side of the melting box, the discharging port I is connected with the feeding port II through a discharging pipe, an electric heater is fixed inside the melting box, a heat insulation layer is fixed on the inner wall of the melting box, a film blowing mechanism capable of blowing out film materials is arranged on one side of the melting mechanism and comprises a rectangular main die body and a rectangular auxiliary die body, and the opposite side of the main die body and the auxiliary die body is provided with the heat insulation layer, a cavity for blowing out the membrane material is formed between the main die body and the auxiliary die body, a screw rod is arranged in the cavity and connected with a power structure, the power structure comprises an electromagnetic speed regulating motor and a speed reducer, the electromagnetic speed regulating motor and the speed reducer are fixed on a base, an output shaft of the electromagnetic speed regulating motor is connected with an input shaft of the speed reducer through a coupling I, the screw rod is connected with an output shaft of the speed reducer through a coupling II, a feeding hole II is formed in the upper parts of the main die body and the auxiliary die body, and a discharging hole II is formed in the lower parts of the main die body and the auxiliary die body; a cooling mechanism capable of cooling the film material is arranged below the film blowing mechanism, a first traction roller and a second traction roller are arranged below the cooling mechanism, a third traction roller is arranged above the cooling mechanism, the first traction roller, the second traction roller and the third traction roller are arranged between the first mounting plate and the second mounting plate in an axially fixed and circumferentially rotating mode, a cutting mechanism capable of cutting the rim charge is arranged above the third traction roller, and a recovery mechanism capable of recovering the waste material is arranged above the cutting mechanism; a first pressing roller and a second pressing roller are arranged between the first mounting plate and the second mounting plate, the first pressing roller and the second pressing roller are both positioned at one side of the cutting mechanism, the second pressing roller is positioned below the first pressing roller, a channel for a film to pass through is formed between the first pressing roller and the second pressing roller, a material receiving mechanism capable of rolling the film is arranged at one side of the first pressing roller and the second pressing roller, the material receiving mechanism comprises a material receiving box and a material discharging plate, the material receiving box and the material discharging plate are both fixed on the base, a third feeding port is formed at one side of the material receiving box, one end of the material discharging plate faces the first pressing roller and the second pressing roller, the other end of the material discharging plate is positioned in the third feeding port, a knife rest is fixed at one side of the material discharging plate, a cutting knife capable of cutting the film is hinged on the knife rest, the cutting knife is connected with a second air cylinder capable of driving the second pressing roller to, the piston rod of the cylinder II is hinged on the cutting knife, the cooling mechanism comprises a cooling roller with an air inlet and an air blower with an air outlet, the air blower is fixed on the mounting plate I, the air outlet of the air blower is communicated with the air inlet of the cooling roller, the wall of the cooling roller is provided with a plurality of air outlet holes, the air outlet holes are in a strip shape, two ends of the cooling roller are provided with bearings, the inner rings of the bearings are respectively fixed with two ends of the cooling roller, the outer rings of the bearings are respectively fixed on the mounting plate I and the mounting plate II, the cutting mechanism comprises a fixed rod, a left cutter and a right cutter, two ends of the fixed rod are rotatably connected on the mounting plate I and the mounting plate II, the fixed rod is provided with a sliding groove along the axial direction thereof, the left cutter is fixedly provided with a first sliding block which is matched with the, the right-hand knife is fixed with and matches and can follow its gliding sliding block two with the sliding tray on, sliding block one and sliding block two on be equipped with self-locking switch respectively, the mounting bracket on be equipped with and to make the dead lever take place wobbling swing structure, swing structure include cylinder one, the cylinder body of cylinder one articulate on the mounting bracket, the piston rod of cylinder one articulates on above-mentioned dead lever.
CN201810189288.XA 2016-06-23 2016-06-23 Improved PVC film blowing machine Active CN108527827B (en)

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CN111452101A (en) * 2019-01-18 2020-07-28 安徽鑫科生物环保有限公司 Degradable plastic film pulls location side cut device
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JPS61148026A (en) * 1984-12-24 1986-07-05 Tomy Kikai Kogyo Kk Bubble guide device of inflation film molding machine
JPH07110516B2 (en) * 1988-01-29 1995-11-29 富士写真フイルム株式会社 Method for forming multi-layer coextrusion blown film for packaging photosensitive material
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Patentee before: ZHEJIANG HUIFENG FILM TECHNOLOGY Co.,Ltd.