CN216001197U - Bubble eliminating device of EPC floor - Google Patents
Bubble eliminating device of EPC floor Download PDFInfo
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- CN216001197U CN216001197U CN202122652255.4U CN202122652255U CN216001197U CN 216001197 U CN216001197 U CN 216001197U CN 202122652255 U CN202122652255 U CN 202122652255U CN 216001197 U CN216001197 U CN 216001197U
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Abstract
The utility model discloses a bubble remove device on EPC floor, including pressing and pasting conveying mechanism, press and paste conveying mechanism and include by power drive's last compression roller and lower compression roller, go up the compression roller and be used for wearing to put EPC floor substrate down between the compression roller, go up the compression roller and make the roll surface temperature rise and the temperature is controllable with the help of foreign matter heat conduction with lower compression roller, can reduce the contact with it the foaming speed of EPC floor substrate, and go up the compression roller and press the roller down to contact with it EPC floor substrate forms the extrusion, realize the bubble with the melting of EPC floor substrate.
Description
Technical Field
The utility model relates to a floor processing manufacturing field, more specifically say, relate to a bubble remove device on EPC floor.
Background
SPC floor (Stone plastic composite), is a novel decorative floor material, is by after the extruder extrudes the SPC substrate layer, by rigging machine respectively with printing layer and wearing layer heating laminating, accomplish embossing and shading simultaneously and print. In the production process, each layer of material is attached by heating without using glue. Compared with the traditional floor, the SPC floor has the advantages of environmental protection, no formaldehyde, low price, water resistance, moisture resistance, skid resistance, insect prevention, flame retardance, difficult cracking, difficult deformation, easy cleaning and the like. However, the SPC floor is solid and heavy, and is not advantageous for practical applications such as packaging and transportation.
In order to improve the portability of products, EPC floors (empty plastic composites), namely hollow plastic composites, also called foamed plastic composites, have been introduced in recent years, and EPC belongs to foamed products, and the phenomenon of foaming of a base material is easily caused in the production process, and meanwhile, the fluctuation range of the thickness is large, and the appearance quality is difficult to control.
The foaming mechanism of the EPC floor is that materials are plasticized in a machine barrel section of an extruder, the pressure is increased in a mold, the distance of a mold opening of the mold is increased, the pressure in the mold cavity is reduced, and a melt containing a foaming agent loses pressure after flowing out of the mold opening and can freely expand. This causes some bubbles in the low melt strength portion of the substrate after exiting the die to merge and expand easily, which causes the substrate to break and form bubbles, and the foaming agent continuously foams at high temperature and pressure loss state, which causes the formation of convex bubbles on the surface of the substrate. The bubbles can be flattened after passing through the laminating roller and the embossing roller, but bubble marks can still be seen, and the appearance and the yield of products are influenced.
In order to solve the above problems, it is necessary to develop a new processing apparatus, which is aimed at controlling bubbles in the substrate and improving the problem that the thickness of the substrate is difficult to control.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem that prior art exists, provide a bubble remove device on EPC floor, adopt specific heating power condition to reduce EPC substrate bubble and generate to through the bubble that mode melting of heating power extrusion has generated, guarantee that EPC substrate surface is smooth level and smooth.
The utility model discloses the technological effect that will reach realizes through following technical scheme:
the bubble eliminating device for the EPC floor comprises a pressing and conveying mechanism, wherein the pressing and conveying mechanism comprises an upper pressing roller and a lower pressing roller which are driven by power, an EPC floor base material is arranged between the upper pressing roller and the lower pressing roller, the temperature of the roller surface is increased and controlled by means of heat conduction of foreign matters, the foaming speed of the EPC floor base material in contact with the roller surface can be reduced, and the upper pressing roller and the lower pressing roller press the EPC floor base material in contact with the roller surface to realize the fusion of bubbles and the EPC floor base material.
Preferably, the roll surface temperature of the upper press roll and the lower press mix is lower than the extrusion temperature of the EPC floor substrate and higher than the surface temperature of the EPC floor substrate.
Preferably, the upper pressing roller and the lower pressing roller are hollow, and the temperature of the roller surface is controlled in a mode of introducing hot water or heat conduction oil.
Preferably, the device is provided at the outlet position of the plastic extruder.
Preferably, the upper press roller and the lower press roller are provided in two sets along a traveling direction of the EPC floor substrate.
Preferably, the upper press roller is connected with a lifting mechanism, and the lifting mechanism drives the upper press roller to adjust the height along the thickness direction of the EPC floor base material.
Preferably, the lifting mechanism comprises a lifting screw and a screw hoist, one end of the lifting screw is vertically displaced through the screw hoist, and the other end of the lifting screw is fixedly connected with the end part of the upper compression roller, so that the upper compression roller is driven to lift.
Preferably, the device is provided with a guide roller at the discharging position, the guide roller is conducted by foreign matters to enable the temperature of the roller surface to rise, and the guide roller is located at the lower side of the moving direction of the EPC floor base material and used for supporting and guiding the EPC floor base material to be discharged forwards.
Preferably, the guide roller, the upper pressing roller and the lower pressing roller are driven by a variable frequency motor matched with a chain.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up controllable last compression roller of temperature and compression roller down, utilize the roll surface temperature of roll surface temperature and EPC substrate, cooperation compression roller pressure makes bubble and EPC substrate melting, realizes the elimination of bubble.
In the middle of, the utility model discloses a temperature of control compression roller is set for being less than substrate extrusion temperature and being higher than substrate surface temperature for when substrate goes out the die orifice back through the compression roller contact, surface temperature can descend fast, and melt strength increases, makes the bubble reduce the foaming speed in the stage that has not yet formed or is forming, avoids breaking the emergence of bubble and cluster bubble, just also realizes that the bubble can not bulge the substrate surface again. For the bubbles generated at the die outlet, the temperature of the base material is still higher, so the bubbles can still be thermally melted with the melt nearby the generation of the bubbles after the pressure is applied by the pressing roller to remove the gas, and the temperature of the roller surface of the pressing roller is always lower than the extrusion temperature of the base material in the hot melting process, so the bubbles cannot be generated secondarily after the surface temperature of the base material is cooled along with the room temperature, and the bubbles are completely eliminated.
Furthermore, the upper pressing roller is designed to be arranged in a lifting mode, the lower pressing roller is responsible for forward feeding, the upper pressing roller forms extrusion force on the base material, the melt can still flow transversely under the high-temperature state just after the base material is discharged from the die opening, the extrusion force can push the molten fluid to a relatively thin place from a relatively thick place, the pressure of the relatively thin surface bearing the pressing roller is relatively small, and therefore the inner portion of the EPC plate is still foamed, the thickness can be compensated, and the EPC plate material with uniform thickness is formed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is an enlarged view taken at A in relation to FIG. 1;
FIG. 3 is a schematic top view of the present embodiment;
in the figure, 1-extruder die; 2-laminating machine; 3-a guide rail; 4-a machine base; 5-pressing and conveying mechanism; 51-upper press roll; 52-lower press roll; 6-a lifting mechanism; 61-lifting screw; 62-screw hoist; 7-a guide roller; 8-screw.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and fig. 2, the present embodiment provides an apparatus for eliminating bubbles from an EPC floor, where the apparatus is located between an extruder die 1 and an laminator 2, a feed end of the apparatus is aligned with an outlet position of the extruder die 1, and a discharge end of the apparatus is aligned with an inlet position of the laminator 2. The bubble eliminating device comprises a guide rail 3, a machine base 4 is connected to the guide rail 3 in a sliding mode, and a pressing and conveying mechanism 5 is fixedly connected to the machine base 4. In the middle of, guide rail 3 is on a parallel with rigging machine 2's guide rail, bubble remove device both ends carry out fixed connection through screw rod 8 and extruder mould 1 mould, rigging machine 2 respectively, utilize the screw thread to revolve and come convenient dismouting and adjustment to place the distance, connect the back bubble remove device can follow rigging machine 2's power part and move back and forth on guide rail 3 to realize the relative stewing between the device, prevent to the dragging of EPC floor substrate (hereinafter for short substrate).
The pressing and conveying mechanism 5 comprises an upper pressing roller 51 and a lower pressing roller 52 which are driven by power, a gap is reserved between the upper pressing roller 51 and the lower pressing roller 52 for the base material to penetrate through, the temperature of the roller surface is increased and controllable by means of heat conduction of foreign matters of the upper pressing roller 51 and the lower pressing roller 52, the foaming speed of the base material contacted with the roller surface can be reduced by utilizing a specific roller surface temperature environment in the process of conveying the base material to move, the base material contacted with the roller surface is extruded by the upper pressing roller 51 and the lower pressing roller 52, and the fusion of bubbles and the base material can be realized.
Specifically, the roll surface temperature of the upper press roll 51 and the lower press roll 52 is lower than the extrusion temperature of the substrate and higher than the surface temperature of the substrate. So the temperature setting, when can making substrate go out the compression roller contact behind the die orifice, surface temperature can descend fast, and melt strength increases for the bubble reduces the foaming speed in the stage that has not formed yet or is forming, has avoided the emergence of broken bubble and cluster bubble, just also realizes that the bubble can not bulge the substrate surface again. And for the bubbles generated at the die outlet, the temperature of the base material is still higher, so that the pressure roller can still be thermally melted with the melt nearby the bubble generation after applying pressure to remove gas, and the temperature of the roller surface of the pressure roller is always lower than the extrusion temperature of the base material in the hot melting process, so that the bubbles cannot be generated secondarily after the surface temperature of the base material is cooled along with the room temperature. That is, the temperature regulation and the pressure regulation of the upper press roll 51 and the lower press-mix 52 contribute to the elimination of bubbles.
In this embodiment, the upper pressure roller 51 and the lower pressure roller 52 are hollow, and hot water or heat conducting oil is introduced to rapidly control the surface temperature of the rollers.
In other embodiments, the inside of the upper pressing roller 51 and the lower pressing roller 52 are both provided with an electric heater, the electric heater generates heat energy after being powered on and conducts the heat energy to the roller surfaces of the upper pressing roller 51 and the lower pressing roller 52, although the structure is not as simple and convenient as hot water or hot oil conduction of the embodiment, but the effect of increasing the temperature of the roller surfaces can be achieved, therefore, the utility model does not rigidly limit the temperature increasing measures of the upper and lower pressing rollers, and any temperature increasing mechanism capable of adapting to the working environment of the bubble device can be applied to the technical scheme.
Referring to fig. 1 and 3, further, the upper pressing roller 51 is connected to a lifting mechanism 6, and the lifting mechanism 6 drives the upper pressing roller 51 to adjust the height along the thickness direction of the substrate, so that the distance between the upper pressing roller 51 and the lower pressing roller 52 can be adjusted to generate different extrusion force degrees, and the substrate which is preliminarily formed but still partially melted can be pushed and leveled. Specifically, in this embodiment, the lower pressure roller 52 is used for guiding the flow forwards, the upper pressure roller 51 applies a pressing force to the surface of the substrate, the melt forming the substrate can still flow transversely in a high-temperature state just after exiting from the die, the pressing force pushes the melt fluid from a relatively thick place to a relatively thin place, and the pressure of the relatively thin surface bearing the pressure of the pressure roller is relatively small, so that the inside of the EPC panel is still foamed, and the EPC panel with uniform thickness can be formed by compensating the thickness.
Further, in order to improve the flattening effect on the molten fluid of the substrate, two sets of the upper pressing roller 51 and the lower pressing roller 52 are arranged along the advancing direction of the substrate to jointly form the pressing and conveying mechanism 5, and the molten fluid can be better pushed from a relatively thick position to a relatively thin position by pressing the front end and the rear end of the substrate and even supplementing the middle of the pressed substrate and by means of the advancing potential energy of the substrate, so that the uniform distribution of the thickness is promoted.
It should be added that the lifting mechanism 6 includes a lifting screw 61 and a screw hoist 62, one end of the lifting screw 61 is moved up and down by the screw hoist 62, and the other end is fixedly connected to the end of the upper press roll 51, so as to drive the upper press roll 51 to lift. Of course, in some other embodiments, the lifting mechanism 6 can also adopt chain transmission, cylinder pushing and other forms to drive the upper compression roller 51 to lift, therefore the utility model discloses not right the concrete structure of lifting mechanism 6 is injectd, and any lifting mechanism that can adapt to the operating environment of the bubble device can both be applied to this technical scheme.
Besides, the device is provided with a guide roller 7 at the discharging position, the guide roller 7 is positioned at the lower side of the advancing direction of the base material, and the guide roller 7 is used as an auxiliary mechanism of the lower press roller 52 and is mainly used for supporting and guiding the base material to be discharged forwards; in order to maintain the stability of the base material and prevent the generation of secondary bubbles due to local supercooling or overheating, it is also preferable that the guide roller 7 is controlled in temperature by heat conduction from a foreign object so that the surface temperature of the roller is controlled to be equal to the surface temperature of the upper and lower press rollers 51 and 52, and the temperature is controlled by introducing hot water or heat conduction oil.
In this embodiment, the two ends of the guide roller 7, the upper press roller 51 and the lower press roller 52 are driven by a variable frequency motor in cooperation with a chain, so as to realize synchronous and stable rotation, thereby driving the substrate to stably advance.
To sum up, the utility model discloses a set up the last compression roller 51 that can heat up and down compression roller 52, utilize higher roll surface temperature and extrusion force to eliminate the bubble of the different states of substrate surface in the lump, construct scientific and reasonable, easily realize, reliably durable in the middle of, be worth using widely in the floor manufacturing field especially expanded material's forming process.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (9)
1. The EPC floor bubble eliminating device is characterized by comprising a pressing and pasting conveying mechanism, wherein the pressing and pasting conveying mechanism comprises an upper pressing roller and a lower pressing roller which are driven by power, an EPC floor base material is arranged between the upper pressing roller and the lower pressing roller, the temperature of the roller surface is increased and controlled by means of heat conduction of foreign matters, the foaming speed of the EPC floor base material in contact with the roller surface can be reduced, and the upper pressing roller and the lower pressing roller press the EPC floor base material in contact with the roller surface to realize the fusion of bubbles and the EPC floor base material.
2. The bubble elimination apparatus for the EPC floor as claimed in claim 1, wherein the roll surface temperature of the upper press roll and the lower press mix is lower than the extrusion temperature of the EPC floor substrate and higher than the surface temperature of the EPC floor substrate.
3. The bubble removing device for the EPC floor as claimed in claim 2, wherein the upper and lower pressure rollers are hollow inside, and the surface temperature is controlled by introducing hot water or heat transfer oil.
4. The apparatus of claim 1, wherein the apparatus is located at an exit of the plastic extruder.
5. The apparatus of claim 1, wherein the upper and lower pressure rollers are arranged in two sets along a traveling direction of the EPC floor substrate.
6. The device of claim 1, wherein the upper pressure roller is connected with a lifting mechanism, and the lifting mechanism drives the upper pressure roller to adjust the height of the EPC floor substrate along the thickness direction of the EPC floor substrate.
7. The apparatus of claim 6, wherein the lifting mechanism comprises a lifting screw and a screw hoist, one end of the lifting screw is vertically displaced by the screw hoist, and the other end of the lifting screw is fixedly connected to an end of the upper press roll, so as to drive the upper press roll to lift.
8. The apparatus of claim 1, wherein the apparatus is provided with a guide roller at the discharging position, the guide roller is thermally conductive by a foreign object to raise the temperature of the roller surface, and the guide roller is located at the lower side of the EPC floor substrate in the traveling direction and is used for supporting and guiding the EPC floor substrate to be discharged forwards.
9. The apparatus of claim 8, wherein the guide roller, the upper press roller, and the lower press roller are driven by a variable frequency motor in conjunction with a chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122652255.4U CN216001197U (en) | 2021-11-02 | 2021-11-02 | Bubble eliminating device of EPC floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122652255.4U CN216001197U (en) | 2021-11-02 | 2021-11-02 | Bubble eliminating device of EPC floor |
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| Publication Number | Publication Date |
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| CN216001197U true CN216001197U (en) | 2022-03-11 |
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| CN202122652255.4U Active CN216001197U (en) | 2021-11-02 | 2021-11-02 | Bubble eliminating device of EPC floor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633413A (en) * | 2022-03-14 | 2022-06-17 | 南京赛旺科技发展有限公司 | Process method for producing EPC (electronic product code) floor |
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2021
- 2021-11-02 CN CN202122652255.4U patent/CN216001197U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633413A (en) * | 2022-03-14 | 2022-06-17 | 南京赛旺科技发展有限公司 | Process method for producing EPC (electronic product code) floor |
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