CN212764362U - Sheet extrusion forming device - Google Patents
Sheet extrusion forming device Download PDFInfo
- Publication number
- CN212764362U CN212764362U CN202021181607.1U CN202021181607U CN212764362U CN 212764362 U CN212764362 U CN 212764362U CN 202021181607 U CN202021181607 U CN 202021181607U CN 212764362 U CN212764362 U CN 212764362U
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- Prior art keywords
- calendering
- cooling
- screw rod
- temperature sensor
- water pipe
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- 238000001125 extrusion Methods 0.000 title claims abstract description 17
- 238000003490 calendering Methods 0.000 claims abstract description 32
- 239000000498 cooling water Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000004321 preservation Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000007731 hot pressing Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a sheet extrusion forming device, which comprises a frame which is symmetrical up and down, wherein a press polish device and a cooling and heat preservation device are arranged in the frame; the calendering device comprises a first calendering unit, a second calendering unit and a traction device, wherein the first calendering unit and the second calendering unit are respectively composed of two calendering machines which are symmetrically arranged from top to bottom, and each calendering machine comprises two hot press rolls and a driving wheel; the cooling and heat-preserving device comprises a conveyor belt, a cooling water pipe, a temperature sensor and a controller, wherein the cooling water pipe is arranged in the conveyor belt, a control valve is arranged at a water outlet of the cooling water pipe, and the temperature sensor is arranged at the tail end of the conveyor belt; the signal input and output ends of the temperature sensor and the control valve are respectively and electrically connected with the signal input and output end of the controller. The utility model discloses in adopt the press polish device to carry out further extrusion to the sheet after the melting is extruded, then cool off earlier through cooling heat preservation device and solidify the type and keep the temperature of sheet, satisfy one process production condition down, improve production efficiency.
Description
Technical Field
The utility model relates to a shaping processing equipment field, concretely relates to sheet extrusion device are moulded to heat.
Background
Thermoforming refers to a more specific plastic processing method for processing thermoplastic sheets into various articles. The sheet is clamped on the frame and heated to a softening state, and is tightly attached to the molded surface of the mold under the action of external force so as to obtain a shape similar to the molded surface. Cooling and shaping, and finishing to obtain the finished product. On the market, there are more and more thermoplastic shaped products, such as cups, dishes, food trays, toys, helmets, as well as automotive parts, architectural decorations, chemical equipment, and the like. Compared with injection molding, the thermoplastic molding has the advantages of high production efficiency, less equipment investment, capability of manufacturing products with larger surface area and the like.
The sheet forming device in the existing equipment has poor extrusion effect on the sheet, and the temperature of the produced sheet cannot be controlled, so that the normal operation of the next process is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a sheet extrusion device carries out further extrusion to the sheet after the melting is extruded to keep the temperature of sheet, satisfy lower one process production condition, improve production efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is that:
a sheet extrusion forming device comprises a machine frame which is symmetrical up and down, wherein a press polish device and a cooling and heat insulation device are arranged in the machine frame;
the calendering device comprises a first calendering unit, a second calendering unit and a traction device, the first calendering unit and the second calendering unit are respectively composed of two calendering machines which are symmetrically arranged from top to bottom, each calendering machine comprises two hot pressing rollers and a driving wheel, the driving wheel is driven by a first motor to rotate, the two hot pressing rollers are arranged on two sides of the driving wheel in parallel and driven by the driving wheel to rotate along the same direction, and heating and temperature adjusting devices are arranged in the hot pressing rollers;
the calender is movably connected with the rack through a lead screw, and a nut on the lead screw is limited by a nut fixing seat and is installed on the rack and is driven to rotate by a second motor; the traction device comprises two traction rollers which are symmetrically arranged up and down, and the traction rollers are connected with the rack through pre-tightening springs;
the cooling and heat-preserving device comprises a conveyor belt, a cooling water pipe, a temperature sensor and a controller, wherein the cooling water pipe is arranged in the conveyor belt, a control valve is arranged at a water outlet of the cooling water pipe, and the temperature sensor is arranged at the tail end of the conveyor belt; and the temperature sensor and the signal input and output ends of the control valve are respectively and electrically connected with the signal input and output end of the controller.
Preferably, the heating medium in the heating and temperature adjusting device is one of steam, oil and electric heat.
Preferably, the upper portion of the screw rod is a rotary body with threads, and the lower portion of the screw rod is a rectangular connecting rod for limiting the rotation of the screw rod.
Preferably, a limiting groove which is matched with the lower cube of the screw rod to limit the rotation of the screw rod is arranged at the joint of the rack and the screw rod.
Preferably, the output shaft of the second motor is in transmission connection with the nut through a transmission belt.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses in adopt first press polish unit and second press polish unit to carry out further extrusion to the sheet after the melting is extruded, then cool off earlier through cooling heat preservation device and solidify the type and keep the temperature of sheet, avoid cooling reheating raising the efficiency, reduce the energy consumption.
2. The utility model discloses well temperature sensor does the contrast with the temperature of sheet as the temperature of setting in signal input and the controller, controls cooling water velocity of flow as the signal output of controller with the valve port aperture, controls sheet temperature control at the processing temperature who is fit for thermoforming simultaneously.
3. The middle calender of the utility model is movably connected with the frame through the lead screw, the nut on the lead screw is limited and installed on the frame by the nut fixing seat, and is driven to rotate by the second motor; the nut can only rotate around the screw rod and is limited by the nut fixing seat and cannot move along the axial direction of the screw rod; the lead screw can only move along the axial direction and can not rotate when being limited by the limiting groove.
4. The middle traction device of the utility model comprises two traction rollers which are symmetrically arranged up and down, and the traction rollers are connected with the frame through pre-tightening springs; the pretightening spring enables pretightening force to exist between the machine frame and the traction roller, and prevents the traction roller from excessively pressing the sheet material to deform.
Drawings
Fig. 1 is a schematic structural view of a sheet extrusion molding apparatus of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is an enlarged view of the point B in FIG. 1;
FIG. 4 is an enlarged view of FIG. 1 at C;
FIG. 5 is a schematic view of the installation of the lead screw and the nut of the present invention;
FIG. 6 is a schematic view of a three-dimensional structure of the middle lead screw of the present invention;
1. the device comprises a frame, 11, a limiting groove, 2, a calendering device, 21, a first calendering unit, 22, a second calendering unit, 23, a traction device, 24, a calender, 201, a hot pressing roller, 202, a driving wheel, 211, a lead screw, 212, a nut, 213, a nut fixing seat, 214, a second motor, 215, a transmission belt, 231, a traction roller, 232, a pre-tightening spring, 3, a cooling and heat-preserving device, 31, a transmission belt, 32, a cooling water pipe, 33, a temperature sensor, 34, a controller, 35 and a control valve.
Detailed Description
The following describes the present invention with reference to the accompanying drawings and examples.
A sheet extrusion forming device is shown in figures 1-6 and comprises a machine frame 1 which is symmetrical up and down, and a calendaring device 2 and a cooling and heat-preserving device 3 are arranged in the machine frame 1.
The calendering device 2 comprises a first calendering unit 21, a second calendering unit 22 and a traction device 23, wherein the first calendering unit 21 and the second calendering unit 22 are composed of two calendering machines 24 which are symmetrically arranged up and down, each calendering machine 24 comprises two hot pressing rollers 201 and a driving wheel 202, the driving wheel 202 is driven by a first motor to rotate, the two hot pressing rollers 201 are arranged on two sides of the driving wheel 202 in parallel and driven by the driving wheel 202 to rotate along the same direction, a heating temperature adjusting device is arranged in each hot pressing roller 201, and a heating medium in each heating temperature adjusting device is steam, oil or electric heat.
The calender 24 is movably connected with the frame 1 through a lead screw 211, a nut 212 on the lead screw 211 is limited by a nut fixing seat 213 and is installed on the frame 1, an output shaft of a second motor 214 drives the nut to rotate through a transmission belt 215, the upper part of the lead screw 211 is a rotary body with threads, the lower part of the lead screw 211 is a rectangular connecting rod for limiting the lead screw 211 to rotate, and a limiting groove 11 which is matched with the rectangular connecting rod to limit the lead screw to rotate is arranged at the joint of the frame 1 and the lead screw 211. The traction device 23 comprises two traction rollers 231 which are symmetrically arranged up and down, and the traction rollers 231 are connected with the frame 1 through pre-tightening springs 232.
The cooling and heat-preserving device 3 comprises a conveyor belt 31, a cooling water pipe 32, a temperature sensor 33 and a controller 34, wherein the cooling water pipe 32 is arranged inside the conveyor belt 31, a control valve 35 is arranged at a water outlet of the cooling water pipe, and the temperature sensor 33 is arranged at the tail end of the conveyor belt 31; signal input and output terminals of the temperature sensor 33 and the control valve 35 are electrically connected to signal input and output terminals of the controller 34, respectively.
Claims (5)
1. The utility model provides a sheet extrusion device, includes the frame of longitudinal symmetry, its characterized in that: a press polish device and a cooling and heat preservation device are arranged in the frame;
the calendering device comprises a first calendering unit, a second calendering unit and a traction device, the first calendering unit and the second calendering unit are respectively composed of two calendering machines which are symmetrically arranged from top to bottom, each calendering machine comprises two hot pressing rollers and a driving wheel, the driving wheel is driven by a first motor to rotate, the two hot pressing rollers are arranged on two sides of the driving wheel in parallel and driven by the driving wheel to rotate along the same direction, and heating and temperature adjusting devices are arranged in the hot pressing rollers;
the calender is movably connected with the rack through a lead screw, and a nut on the lead screw is limited by a nut fixing seat and is installed on the rack and is driven to rotate by a second motor; the traction device comprises two traction rollers which are symmetrically arranged up and down, and the traction rollers are connected with the rack through pre-tightening springs;
the cooling and heat-preserving device comprises a conveyor belt, a cooling water pipe, a temperature sensor and a controller, wherein the cooling water pipe is arranged in the conveyor belt, a control valve is arranged at a water outlet of the cooling water pipe, and the temperature sensor is arranged at the tail end of the conveyor belt; and the temperature sensor and the signal input and output ends of the control valve are respectively and electrically connected with the signal input and output end of the controller.
2. The sheet extrusion molding apparatus as claimed in claim 1, wherein: the heating medium in the heating temperature adjusting device is one of steam, oil and electric heat.
3. The sheet extrusion molding apparatus as claimed in claim 1, wherein: the upper part of the screw rod is a rotating body with threads, and the lower part of the screw rod is a rectangular connecting rod for limiting the rotation of the screw rod.
4. The sheet extrusion molding apparatus as claimed in claim 3, wherein: and a limiting groove which is matched with a cube at the lower part of the screw rod to limit the rotation of the screw rod is arranged at the joint of the rack and the screw rod.
5. The sheet extrusion molding apparatus as claimed in claim 1, wherein: and an output shaft of the second motor is in transmission connection with the nut through a transmission belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021181607.1U CN212764362U (en) | 2020-06-23 | 2020-06-23 | Sheet extrusion forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021181607.1U CN212764362U (en) | 2020-06-23 | 2020-06-23 | Sheet extrusion forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212764362U true CN212764362U (en) | 2021-03-23 |
Family
ID=75075244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021181607.1U Active CN212764362U (en) | 2020-06-23 | 2020-06-23 | Sheet extrusion forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212764362U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027070A (en) * | 2022-06-07 | 2022-09-09 | 北京金诺美科技股份有限公司 | Auxiliary device for manufacturing temperature calibration probe and manufacturing process |
-
2020
- 2020-06-23 CN CN202021181607.1U patent/CN212764362U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027070A (en) * | 2022-06-07 | 2022-09-09 | 北京金诺美科技股份有限公司 | Auxiliary device for manufacturing temperature calibration probe and manufacturing process |
| CN115027070B (en) * | 2022-06-07 | 2023-05-30 | 北京金诺美科技股份有限公司 | Auxiliary device for manufacturing temperature calibration probe and manufacturing process |
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