CN113211834B - Sheet forming machine and forming process - Google Patents
Sheet forming machine and forming process Download PDFInfo
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- CN113211834B CN113211834B CN202110142338.0A CN202110142338A CN113211834B CN 113211834 B CN113211834 B CN 113211834B CN 202110142338 A CN202110142338 A CN 202110142338A CN 113211834 B CN113211834 B CN 113211834B
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- sheet
- plastic sheet
- plastic
- winding roller
- traction rope
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/028—Both ends type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/26—Cutting-off the web running to the wound web roll
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The application relates to a sheet forming machine and molding process, including heating device, forming device, cutting device, coiling mechanism, heating device is used for heating the plastic raw materials, forming device is used for being the thin slice with the plastic raw materials shaping after heating, cutting device is used for amputating the both sides of plastic flake, the coiling mechanism is used for the plastic sheet rolling through tailorring, the wind-up roll rotates with the support frame to be connected, the axis of rotation of wind-up roll and support frame is on a parallel with the length direction of wind-up roll, and the cutter is located between wind-up roll and the cutting device, cutter and support body sliding connection, haulage rope one end sets up on the wind-up roll, keep off rod and support body sliding connection, it is used for dialling the haulage rope from the surface of plastic sheet to keep off the rod, it is used for bonding the haulage rope on the plastic sheet surface to glue the sword. This application has the effect of being convenient for change the spool automatically.
Description
Technical Field
The application relates to the field of plastic preparation machinery, in particular to a sheet forming machine and a forming process.
Background
The plastic sheet is mainly used for producing the thermoforming products such as disposable plastic cups, plates, bowls, plates, boxes and the like, and is widely applied to the packaging in the fields of food, vegetables, fruits, beverages, dairy products, industrial parts and the like. At present, a winding mechanism including a winding shaft is generally arranged on a sheet production line to collect finished products in a winding manner, and when the diameter of a collected sheet reaches a set value, the winding shaft needs to be temporarily replaced so as to continue to collect the sheets.
At present, in the application document with the application number of 201510189816.8, a plastic sheet air pressure forming machine is disclosed, which comprises an unreeling device, a sheet feeding device, a caterpillar track device, a sheet feeding device, a heating device, a forming device, a cup receiving device and a finished product collecting device, wherein the sheet feeding device comprises a rack, a sheet feeding guide roller, a sheet feeding press roller, a supporting plate and a preheating device, the sheet feeding guide roller and the sheet feeding press roller can be rotatably installed on the rack, and the supporting plate is arranged on the rack; the sheet feeding press roller is positioned above the sheet feeding guide roller and is pressed with the sheet feeding guide roller, and the supporting plate is arranged behind the sheet feeding guide roller; the preheating device comprises a left preheating furnace and a right preheating furnace; the left preheating furnace mounting seat is provided with a left adjusting rod connected with a left sheet feeding mechanism of the caterpillar track device, and the right preheating furnace mounting seat is provided with a right adjusting rod connected with a right sheet feeding mechanism of the caterpillar track device.
In view of the above-mentioned related art, the inventor believes that a worker is required to manually cut off plastic after a roll of plastic sheet material is wound, and then remove the plastic material from a new reel, and manually guide the plastic sheet material when the new reel is replaced.
Disclosure of Invention
In order to facilitate automatic reel replacement, the application provides a sheet forming machine and a forming process.
The application provides a sheet forming machine and forming process adopts the following technical scheme:
a sheet forming machine and a forming process comprise a heating device, a forming device, a cutting device and a winding device, wherein the heating device is used for heating plastic raw materials, the forming device is used for forming the heated plastic raw materials into sheets, the cutting device is used for cutting two sides of the plastic sheets, the winding device is used for winding the cut plastic sheets, the winding device comprises a frame body, a support frame, a cutting knife, a traction rope, a winding roller, a bonding knife, a blocking roller, a driving piece and a rotating piece, the frame body is detachably connected with the support frame, the winding roller is rotatably connected with the support frame, the rotating shafts of the winding roller and the support frame are parallel to the length direction of the winding roller, the winding roller is positioned on one side of the cutting device, which is far away from the forming device, a gap exists between the winding roller and the cutting device, and the cutting knife is positioned between the winding roller and the cutting device, cutting off cutter and support body sliding connection, the cutting off cutter is towards the plastic sheet, the driving piece is used for driving the cutting off cutter and moves towards or keeps away from the plastic sheet, it is used for driving the wind-up roll to revolute the axis of rotation motion to rotate the piece, haulage rope one end sets up on the wind-up roll, the haulage rope other end sets up on the support body, the haulage rope is located the one side that the support was kept away from to the plastic sheet, keep off rod and support body sliding connection, it is used for dialling the haulage rope from the surface of plastic sheet to keep off the rod, the bonding sword is used for bonding the haulage rope on the plastic sheet surface.
Through adopting above-mentioned technical scheme, add the raw materials in the heating device, heating device is through heating melting raw materials, heating device is connected with forming device, forming device extrudees into the thin slice with the fused raw materials, the raw materials after being extruded enters into cutting device, tailor into plastic sheet by cutting device, plastic sheet gets into the coiling mechanism and is rolled up, when a coiling roller is full, with haulage rope one end system on new wind-up roll, other end system is on the support, keep off the surface that the rod dialled from plastic sheet with the haulage rope, the cutter slides and cuts plastic sheet, the cutter resets, the bonding sword bonds the surface at plastic sheet with the haulage rope, new wind-up roll rotates, the haulage rope is drawing plastic sheet winding on the wind-up roll. The plastic sheet is wound on the winding roller, the winding roller which is fully wound is detached from the support frame and transported away, the winding roller is replaced, and the reel is convenient to replace automatically.
Optionally, the splicing knife includes a heating plate, a knife body, a connecting frame, a rope cutting knife, a support rod, a first linear motor and a second linear motor, the heating plate is located inside the knife body, one end of the connecting frame is fixedly connected with the knife body, the first linear motor is used for driving the connecting frame to move close to and away from the plastic sheet, the rope cutting knife is located on one side of the knife body facing the cutting device, the rope cutting knife is fixedly connected with the support rod, the support rod is arranged on the second linear motor, and the second linear motor is used for driving the support rod to move close to or away from the plastic sheet.
Through adopting above-mentioned technical scheme, the heating plate heating cutter body opens first linear electric motor, and first linear electric motor drive link motion, the cutter body moves towards the plastic sheet, heats the plastic sheet, and plastic sheet part melts, and the haulage rope is in the same place with the bonding of melting, and the cutter moves towards the haulage rope under the drive of second linear electric motor, cuts off the haulage rope, is convenient for connect the haulage rope on the plastic sheet.
Optionally, a plurality of the bonding knives (406) are arranged, and a plurality of the bonding knives (406) are arranged in parallel.
Through adopting above-mentioned technical scheme, haulage rope and plastic sheet are provided with a plurality of tie points, reduce the haulage rope that the junction fracture of haulage rope and plastic sheet leads to and can't pull the possibility of plastic sheet.
Optionally, still include the carriage, carriage and support fixed connection, keep off rod and carriage sliding connection, the slip direction perpendicular to plastic sheet's of keeping off the rod length direction.
Through adopting above-mentioned technical scheme, when needs use to keep off the rod and stir the haulage rope, slide and keep off the rod, use to keep off the rod and dial the haulage rope to one side of plastic sheet.
Optionally, the blocking stick is semicircular, and a concave surface of the blocking stick faces the traction rope.
Through adopting above-mentioned technical scheme, when using to keep off the rod and stir the haulage rope, the haulage rope is arranged in semicircular concave surface, reduces the haulage rope and keeps off the possibility that rod one side slided away.
Optionally, a connecting ring is arranged on the winding roller, and the traction rope is detachably connected with the connecting ring.
Through adopting above-mentioned technical scheme, be convenient for connect the haulage rope on the wind-up roll.
Optionally, a groove is formed in the wind-up roll, and the connection ring is located in the groove.
Through adopting above-mentioned technical scheme, reduce the go-between and be higher than the possibility on wind-up roll surface, reduce the possibility that the go-between jacked up plastic sheet.
In a second aspect, the present application provides a forming process of a sheet forming machine, which adopts the following technical scheme:
a sheet forming machine and a forming process comprise the following steps:
step one, heating a plastic raw material to a molten state through a heating device to obtain a molten plastic raw material; extruding and molding the molten plastic raw material by a molding device to obtain sheet plastic; cutting edges of the sheet plastic by using a cutting device to obtain a plastic sheet; winding the plastic sheet on a winding device to complete winding;
and step two, after the winding roller finishes winding one roller, replacing a new winding roller for winding.
Optionally, the step two includes the following steps:
A. after one winding roller is fully wound, one end of a traction rope is fixedly connected with a new traction roller, and the other end of the traction rope is fixedly connected with the frame body;
B. starting a driving piece, driving a cutting knife to cut off the plastic sheet by the driving piece, sliding a blocking stick to enable the traction rope to be positioned on one side, far away from the frame body, of the plastic sheet, starting a first linear motor, bonding the traction rope and the plastic sheet together, and starting a second linear motor to cut off the traction rope;
C. and (5) carrying away the fully wound winding roller, and winding the plastic sheet to a new winding roller through a traction rope.
Through adopting above-mentioned technical scheme, can wind plastic sheet on new wind-up roll, reduce need the manual possibility of cutting the plastic sheet, need manually to pull the plastic sheet to on new wind-up roll.
In summary, the present application includes at least one of the following beneficial technical effects:
1. this application is through setting up the support, a support frame, the cutter, the haulage rope, the wind-up roll, the bonding sword, keep off the rod, the driving piece, rotate, when a rolling roller is rolled up to full, with haulage rope one end system on new wind-up roll, the other end system is on the support, keep off the rod and dial the haulage rope from plastic sheet's surface, the cutter slides and opens plastic sheet, the cutter resets, the bonding sword bonds the haulage rope on plastic sheet's surface, new wind-up roll rotates, the haulage rope is pulling plastic sheet winding on the wind-up roll. The plastic sheet is wound on the winding roller, the fully wound winding roller is detached from the support frame and is transported away, the winding roller is replaced, and the reel can be replaced automatically;
2. the adhesive knife comprises a heating piece, a knife body, a connecting frame, a cutting knife, a supporting rod, a first linear motor and a second linear motor, wherein the heating piece heats the knife body, the first linear motor is started, the connecting frame is driven by the first linear motor to move, the knife body moves towards a plastic sheet, the plastic sheet is heated, the plastic sheet is partially melted, a traction rope is bonded with the melted plastic sheet, the cutting knife moves towards the traction rope under the driving of the second linear motor, the traction rope is cut off, and the traction rope is conveniently connected to the plastic sheet;
3. this application sets up to semi-circular through keeping off the rod, and when using to keep off the rod and stir the haulage rope, the haulage rope is arranged in the semicircular concave surface, reduces the haulage rope and keeps off the smooth possibility of walking of rod one side.
Drawings
Fig. 1 is a schematic structural diagram of a sheet forming machine according to an embodiment of the present application.
Fig. 2 is a perspective sectional view of a sheet forming machine according to an embodiment of the present application.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Fig. 4 is an enlarged schematic view of a portion B in fig. 2.
Fig. 5 is an enlarged schematic view of a portion C in fig. 2.
Fig. 6 is an enlarged schematic view of a portion D in fig. 1.
Reference numerals: 1. a heating device; 2. a molding device; 201. a tape casting head; 202. a squeeze roll; 3. a cutting device; 301. a support; 302. a trimming knife; 4. a winding device; 401. a frame body; 402. a support frame; 403. a cutting knife; 404. a hauling rope; 405. a wind-up roll; 406. a gluing knife; 4061. a heating plate; 4062. a cutter body; 4063. a connecting frame; 4064. a rope cutter; 4065. a support bar; 4066. a first linear motor; 4067. a second linear motor; 407. blocking the stick; 408. a drive member; 4081. a gear; 4082. a rack; 409. a rotating member; 5. a carriage; 6. a groove; 7. and (7) connecting rings.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a sheet forming machine and a forming process. Referring to fig. 1 and 2, a sheet forming machine and a forming process include a heating device 1, a forming device 2, a cutting device 3, and a winding device 4, where the heating device 1 is used to heat a plastic raw material, the forming device 2 is used to form a sheet from the heated plastic raw material, in this embodiment, the forming device 2 includes a casting head 201 and an extrusion roller 202, in this embodiment, three extrusion rollers 202 are provided, the cutting device 3 is used to cut off two sides of the plastic sheet, in this embodiment, the cutting device 3 includes a support 301 and a trimming knife 302, the trimming knife 302 is welded at one end of the support 301 facing the plastic sheet, the trimming knife 302 is located at two sides of the plastic sheet, the winding device 4 is used to wind the cut plastic sheet, and the winding device 4 includes a frame 401, a support 402, a cutting knife 403, a traction rope 404, a winding roller 405, a bonding knife 406, a blocking roller 407, a cutting knife, The winding device comprises a driving piece 408, a rotating piece 409, a frame body 401 and a support frame 402 which are detachably connected through bolts, and a winding roller 405 and the support frame 402 are rotatably connected through a rotating shaft. The rotating shafts of the winding roller 405 and the supporting frame 402 are parallel to the length direction of the winding roller 405, the winding roller 405 is located on one side, away from the forming device 2, of the cutting device 3, a gap exists between the winding roller 405 and the cutting device 3, the cutting knife 403 is located between the winding roller 405 and the cutting device 3, the cutting knife 403 is connected with the frame body 401 in a sliding mode, and the cutting knife 403 faces towards the plastic sheets.
Referring to fig. 3, a driving member 408 is used to drive the cutting blade 403 to move toward or away from the plastic sheet, and the driving member 408 may be provided as a gear 4081, a rack 4082. Referring to fig. 2 and 3, a linear motor may also be provided, in this embodiment, the driving member 408 is provided with a gear 4081 and a rack 4082, the rotating member 409 is used to drive the winding roller 405 to move around the rotating shaft, the rotating member 409 may be provided as a motor and a speed reducer, the rotating member 409 may also be provided as a motor, one end of the pulling rope 404 is tied on the winding roller 405, the other end of the pulling rope 404 is tied on the frame 401, the pulling rope 404 is located on one side of the plastic sheet away from the bracket 301, the blocking roller 407 is slidably connected with the frame 401 through the linear motor, the blocking roller 407 is used to shift the pulling rope 404 away from the surface of the plastic sheet, and the bonding knife 406 is used to bond the pulling rope 404 to the surface of the plastic sheet. Adding raw materials into a heating device 1, heating device 1 melts the raw materials by heating, heating device 1 is connected with a forming device 2, the forming device 2 extrudes the melted raw materials into thin sheets, the extruded raw materials enter a cutting device 3, the plastic sheets are cut into plastic sheets by the cutting device 3, the plastic sheets enter a winding device 4 to be wound, when a winding roller 405 is full, one end of a traction rope 404 is tied on a new winding roller 405, the other end of the traction rope is tied on a support 301, a blocking roller 407 pulls the traction rope 404 away from the surface of the plastic sheets, a cutting knife 403 slides to cut the plastic sheets, the cutting knife 403 resets, a bonding knife 406 bonds the traction rope 404 on the surface of the plastic sheets, the new winding roller 405 rotates, and the traction rope 404 pulls the plastic sheets to be wound on the winding roller 405. The plastic sheet is wound on the winding roller 405, the fully wound winding roller 405 and the support frame 402 are detached and transported away, the winding roller 405 is replaced, and automatic reel replacement is facilitated.
Referring to fig. 1 and 2, a plurality of the bonding knives 406 are provided, the plurality of the bonding knives 406 are arranged in parallel, three, four or five bonding knives 406 may be provided, and in this embodiment, three bonding knives 406 are provided. The plurality of connection points are arranged between the pulling rope 404 and the plastic sheet, so that the possibility that the pulling rope 404 cannot pull the plastic sheet due to the breakage of the connection part of the pulling rope 404 and the plastic sheet is reduced.
Referring to fig. 2 and 3, the sheet forming machine further includes a sliding frame 5, the sliding frame 5 is welded to the support 301, the blocking rod 407 is slidably connected to the sliding frame 5 through a linear motor, the sliding direction of the blocking rod 407 is perpendicular to the length direction of the plastic sheet, one end of the blocking rod 407 is welded to a mover of the linear motor, a track of the linear motor is fixedly connected to the sliding frame 5, and the mover of the linear motor is welded to a track of a linear object. When the pulling rope 404 needs to be pulled by using the blocking stick 407, the blocking stick 407 is slid, and the pulling rope 404 is pulled to one side of the plastic sheet by using the blocking stick 407.
Referring to fig. 2 and 3, the blocking rod 407 is semicircular, and a concave surface of the blocking rod 407 faces the pulling rope 404. When the pull string 404 is pulled by the stick 407, the pull string 404 is positioned in the concave semi-circular shape, reducing the possibility that the pull string 404 will slip off the stick 407.
Referring to fig. 4 and 5, the bonding tool 406 includes a heating plate 4061, a cutter body 4062, a connecting frame 4063, a rope cutter 4064, a support rod 4065, a first linear motor 4066, and a second linear motor 4067, the heating plate 4061 is located inside the cutter body 4062, one end of the connecting frame 4063 is welded to the cutter body 4062, the first linear motor 4066 is used to drive the connecting frame 4063 to move close to and away from the plastic sheet, the rope cutter 4064 is located on one side of the cutter body 4062 facing the cutting device 3, the rope cutter 4064 is welded to the support rod 4065, the support rod 4065 is welded to the body of the second linear motor 4067, one end of the linear motor rail is welded to the frame body 401, and the second linear motor 4067 is used to drive the support rod 4065 to move close to and away from the plastic sheet. The heating plate 4061 heats the cutter body 4062, the first linear motor 4066 is turned on, the first linear motor 4066 drives the connecting frame 4063 to move, the cutter body 4062 moves towards the plastic sheet, the plastic sheet is heated, the plastic sheet is partially melted, the pulling rope 404 is adhered to the melted plastic sheet, the rope cutting knife 4064 moves towards the pulling rope 404 under the driving of the second linear motor 4067, the pulling rope 404 is cut off, and the pulling rope 404 is connected to the plastic sheet conveniently.
Referring to fig. 6, a groove 6 is formed in the wind-up roll 405, the wind-up roll further comprises a connection ring 7, the connection ring 7 is welded to the wind-up roll 405, the connection ring 7 is located in the groove 6, and the traction rope 404 is detachably connected to the connection ring 7. Facilitating attachment of the pull cord 404 to the take-up roll 405. The grooves 6 reduce the possibility that the connecting ring 7 is higher than the surface of the winding roller 405, and reduce the possibility that the connecting ring 7 jacks up the plastic sheet.
The implementation principle of the sheet forming machine in the embodiment of the application is as follows: when the machine works, raw materials are added into a heating device 1, the heating device 1 melts the raw materials by heating, the heating device 1 is connected with a forming device 2, the forming device 2 extrudes the melted raw materials into sheets, the extruded raw materials enter a cutting device 3 and are cut into plastic sheets by the cutting device 3, the plastic sheets enter a winding device 4 to be wound, when one winding roller 405 is full, one end of a traction rope 404 is tied on a new winding roller 405, the other end is tied on a bracket 301, a blocking roller 407 pulls the traction rope 404 away from the surface of the plastic sheets, a heating sheet 4061 heats a cutter body 4062, a first linear motor 4066 is started, the first linear motor 4066 drives a connecting frame 4063 to move, the cutter body 4062 moves towards the plastic sheets, the plastic sheets are heated, the plastic sheets are partially melted, the traction rope 404 is bonded with the melted rope, a rope cutter 4064 moves towards the traction rope 404 under the driving of a second linear motor 4067, cut off haulage rope 404, be convenient for connect haulage rope 404 on plastic sheet, new wind-up roll 405 rotates, haulage rope 404 is drawing plastic sheet winding on wind-up roll 405, and plastic sheet winding is on wind-up roll 405, and the wind-up roll 405 that will roll up to capacity is dismantled with support frame 402, transports, accomplishes and changes wind-up roll 405, is convenient for the automatic spool of changing.
The embodiment of the application also discloses a forming process of the sheet forming machine.
A sheet forming machine and a forming process comprise the following steps:
step one, heating a plastic raw material to a molten state through a heating device 1 to obtain a molten plastic raw material; extruding and molding the molten plastic raw material by a molding device 2 to obtain sheet plastic; cutting edges of the sheet plastic by using a cutting device 3 to obtain a plastic sheet; winding the plastic sheet on a winding device 4 to complete winding;
and step two, after the winding roller 405 finishes winding one roller, the winding roller 405 is replaced by a new winding roller 405 for winding.
Optionally, the step two includes the following steps:
A. when one winding roller 405 is fully wound, one end of the traction rope 404 is fixedly connected with a new traction roller, and the other end of the traction rope 404 is fixedly connected with the frame body 401;
B. the driving piece 408 is started, the driving piece 408 drives the cutting knife 403 to cut off the plastic sheet, the blocking stick 407 slides to enable the traction rope 404 to be located on one side of the plastic sheet, which is far away from the bracket 301, the first linear motor 4066 is started, the traction rope 404 and the plastic sheet are bonded together, the second linear motor 4067 is started, and the traction rope 404 is cut off;
C. the fully wound wind-up roll 405 is transported away, and the plastic sheet is wound up to a new wind-up roll 405 by the pulling rope 404.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a sheet forming machine, includes heating device (1), forming device (2), cutting device (3), coiling mechanism (4), heating device (1) is used for heating plastic material, forming device (2) are used for the plastic material shaping after will heating for the thin slice, cutting device (3) are used for excising plastic sheet's both sides, coiling mechanism (4) are used for the plastic sheet rolling through tailorring, its characterized in that: the winding device (4) comprises a frame body (401), a support frame (402), a cutting knife (403), a traction rope (404), a winding roller (405), a bonding knife (406), a blocking roller (407), a driving piece (408) and a rotating piece (409), the frame body (401) is detachably connected with the support frame (402), the winding roller (405) is rotatably connected with the support frame (402), the rotating shafts of the winding roller (405) and the support frame (402) are parallel to the length direction of the winding roller (405), the winding roller (405) is positioned on one side of the cutting device (3) far away from the forming device (2), a gap exists between the winding roller (405) and the cutting device (3), the cutting knife (403) is positioned between the winding roller (405) and the cutting device (3), the cutting knife (403) is slidably connected with the frame body (401), the cutting knife (403) faces towards the plastic sheet, and the driving piece (408) is used for driving the cutting knife (403) to move towards or away from the plastic sheet, the rotating part (409) is used for driving the winding roller (405) to move around the rotating shaft, one end of the traction rope (404) is arranged on the winding roller (405), the other end of the traction rope (404) is arranged on the bracket (301) of the cutting device (3), the traction rope (404) is located on one side, away from the bracket (301), of the plastic sheet, the blocking roller (407) is connected with the bracket body (401) in a sliding mode, the blocking roller (407) is used for shifting the traction rope (404) away from the surface of the plastic sheet, and the adhering knife (406) is used for adhering the traction rope (404) to the surface of the plastic sheet; the raw material extruded by the forming device 2 enters the cutting device 3, the cutting device 3 cuts the raw material into a plastic sheet and then enters the winding device 4 to be wound, when one winding roller 405 is full, one end of the traction rope 404 is tied to the new winding roller 405, the other end of the traction rope is tied to the support 301, the traction rope 404 is poked away from the surface of the plastic sheet by the blocking roller 407, the plastic sheet is cut by the sliding of the cutting knife 403, the cutting knife 403 is reset, the traction rope 404 is bonded to the surface of the plastic sheet by the bonding knife 406, the new winding roller 405 rotates, and the plastic sheet is pulled by the traction rope 404 to be wound on the winding roller 405.
2. The sheet forming machine according to claim 1, characterized in that: the adhesive knife (406) comprises a heating sheet (4061), a knife body (4062), a connecting frame (4063), a rope cutting knife (4064), a supporting rod (4065), a first linear motor (4066) and a second linear motor (4067), wherein the heating sheet (4061) is located inside the knife body (4062), one end of the connecting frame (4063) is fixedly connected with the knife body (4062), the first linear motor (4066) is used for driving the connecting frame (4063) to move close to and away from the plastic sheet, the rope cutting knife (4064) is located on one surface, facing the cutting device (3), of the knife body (4062), the rope cutting knife (4064) is fixedly connected with the supporting rod (4065), the supporting rod (4065) is arranged on the second linear motor (4067), and the second linear motor (4067) is used for driving the supporting rod (4065) to move close to or away from the plastic sheet.
3. The sheet forming machine according to claim 2, characterized in that: the plurality of the bonding knives (406) are arranged, and the plurality of the bonding knives (406) are arranged in parallel.
4. The sheet forming machine according to claim 1, wherein: still include carriage (5), carriage (5) and support (301) fixed connection, keep off rod (407) and carriage (5) sliding connection, the sliding direction perpendicular to plastic sheet's length direction of keeping off rod (407).
5. The sheet forming machine according to claim 4, wherein: the blocking stick (407) is semicircular, and the concave surface of the blocking stick (407) faces the traction rope (404).
6. The sheet forming machine according to claim 1, characterized in that: and a connecting ring (7) is arranged on the winding roller (405), and the traction rope (404) is detachably connected with the connecting ring (7).
7. The sheet forming machine according to claim 6, wherein: a groove (6) is formed in the winding roller (405), and the connecting ring (7) is located in the groove (6).
8. A sheet forming process is characterized in that: a sheet forming machine according to any one of claims 1 to 7, comprising the steps of:
step one, heating a plastic raw material to a molten state through a heating device (1) to obtain a molten plastic raw material; extruding and molding the molten plastic raw material by a molding device (2) to obtain sheet plastic; cutting edges of the sheet plastic by using a cutting device (3) to obtain a plastic sheet; winding the plastic sheet on a winding device (4) to complete winding;
and step two, after the winding roller (405) finishes winding one roller, the winding roller (405) is replaced by a new winding roller for winding.
9. The sheet forming process according to claim 8, wherein:
the second step comprises the following steps:
A. when one winding roller (405) is fully wound, one end of the traction rope (404) is fixedly connected with a new traction roller, and the other end of the traction rope (404) is fixedly connected with the bracket (301);
B. starting a driving piece (408), wherein the driving piece (408) drives a cutting knife (403) to cut off the plastic sheet, sliding a blocking stick (407), enabling the traction rope (404) to be located on one side, away from the frame body (401), of the plastic sheet, starting a first linear motor (4066), bonding the traction rope (404) and the plastic sheet together, starting a second linear motor (4067), and cutting off the traction rope (404);
C. and (4) conveying the fully wound winding roller (405), and winding the plastic sheet to a new winding roller (405) through a traction rope (404).
Priority Applications (1)
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|---|---|
| CN113211834A (en) | 2021-08-06 |
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