阅读说明：本技术 一种发泡材料双面压光的设备 (Equipment for calendaring two sides of foaming material ) 是由 万立祥 杨庆锋 王光海 于 2021-10-12 设计创作，主要内容包括：本发明提供一种发泡材料双面压光的设备,属于发泡材料生产加工技术领域。本发明为一种发泡材料双面压光的设备,包括基板、与基板通过一扭簧活动连接的下压光板、与下压光板平行设置的上压光板,上压光板与一固定杆固接,固定杆的非固定端设置外螺纹,设备还包括能够与固定杆螺接的升降调节装置、与升降调节装置部分啮合的驱动装置,升降调节装置包括外部设有外齿轮内部设有一通孔的驱动部、穿过驱动部的固定支架、与驱动部固接的从动部,从动部设有一容置腔,容置腔内设有内螺纹,内螺纹与外螺纹配合作用。本发明通过上压板、下压板同时对待加工的泡沫材料有施压的趋势,使制得的的泡沫材料膨胀性均一,光洁度高,平整度好。(The invention provides equipment for calendaring two sides of a foaming material, and belongs to the technical field of production and processing of the foaming material. The invention relates to equipment for calendering two sides of a foaming material, which comprises a base plate, a lower press light plate movably connected with the base plate through a torsion spring, and an upper press light plate arranged in parallel with the lower press light plate, wherein the upper press light plate is fixedly connected with a fixed rod, the non-fixed end of the fixed rod is provided with an external thread, the equipment also comprises a lifting adjusting device capable of being in threaded connection with the fixed rod, and a driving device partially meshed with the lifting adjusting device, the lifting adjusting device comprises a driving part, a fixed support and a driven part, the driving part penetrates through the fixed support of the driving part, the driven part is fixedly connected with the driving part, the driven part is provided with an accommodating cavity, an internal thread is arranged in the accommodating cavity, and the internal thread and the external thread are matched. According to the invention, the upper pressing plate and the lower pressing plate have a tendency of pressing the foam material to be processed at the same time, so that the prepared foam material has uniform expansibility, high smoothness and good flatness.)

1. A device for calendering two sides of a foaming material is characterized by comprising a base plate, a lower press light plate movably connected with the base plate through a torsion spring, an upper press light plate arranged in parallel with the lower press light plate, a limiting rod fixedly connected with the upper press light plate, a limiting baffle plate used for resisting the limiting rod arranged on the lower press light plate, the upper press light plate is fixedly connected with a fixed rod, the non-fixed end of the fixed rod is provided with an external thread, the device also comprises a lifting adjusting device capable of being in threaded connection with the fixed rod and a driving device partially meshed with the lifting adjusting device, the lifting adjusting device comprises a driving part provided with an external gear and a through hole inside, a fixed support penetrating through the through hole and a driven part fixedly connected with the driving part, the driven part is provided with an accommodating cavity, an internal thread is arranged in the accommodating cavity, and the internal thread is matched with the external thread, the bottom of the driving part is provided with a groove, the bottom of the fixed support is fixedly connected with a limiting block, and the limiting block is accommodated in the groove.

2. The apparatus for calendering two sides of a foaming material according to claim 1, wherein the base plate is horizontally arranged, and the angle between the lower calendering plate and the horizontal direction is 20-45 °.

3. The apparatus according to claim 1, wherein said driving device comprises a driving motor, a connecting rod fixed to an output end of said driving motor, and a driving gear fixed to said connecting rod, and said driving gear is engaged with said external gear.

4. The apparatus according to claim 1, wherein said driving portion and said driven portion are both cylindrical, and said receiving cavity is a cylindrical groove formed at a non-fixed end of said driven portion.

5. The double-sided calendering equipment for the foaming material as claimed in claim 1, wherein the upper calendering plate is a disc, and the fixing rod is fixedly connected to the center of the lower calendering plate.

6. The apparatus for calendering two sides of a foaming material according to claim 1, wherein the friction coefficient of the press-down light plate is 0.8.

7. The apparatus for calendering two sides of a foamed material according to claim 1, further comprising a cooling device abutting against said lower calendering plate.

8. The apparatus according to claim 7, wherein said cooling device comprises a cooling box having a feeding opening and a discharging opening, a conveying belt disposed in the cooling box and inclined, and a cooling belt disposed on the upper and lower sides of the conveying belt, said cooling box having an air outlet.

9. The apparatus for calendering two sides of a foaming material according to claim 8, wherein the cooling belt is a folded water conveying plate, and the folding density of the water conveying plate decreases from bottom to top.

Technical Field

The invention belongs to the technical field of production and processing of foaming materials, and particularly relates to equipment for calendering two surfaces of a foaming material.

Background

The foaming material is a common building decoration material, and can be divided into a soft foaming material and a structural foaming material. The soft foaming material is prepared by adding a catalyst, a foam stabilizer, a foaming agent and other auxiliary materials into raw materials such as plastics (PE, EVA and the like) and rubber (SBR, CR and the like), and foaming through physical foaming or crosslinking, so that a large amount of fine foams appear in the plastics and the rubber, the volume is increased, the density is reduced, the soft foaming material has the functions of buffering, sound absorption, shock absorption, heat preservation, filtration and the like, and is widely applied to industries such as electronics, household appliances, automobiles, sports leisure and the like. The structural foam material is a foam material modified by a penetrating aromatic amide polymerization network based on plastics (PVC, PET and the like), has very low density and very high strength as a soft foam material, is suitable for high-end fields requiring light materials and high strength, and is mainly applied to industries such as wind power generation, rail transit, yacht, aerospace, building energy conservation and the like.

After the foaming process of the foam material is finished, a calendaring operation is often needed to shape or smooth the surface of the foamed material after foaming so as to improve the surface smoothness of the foam material and realize the standardized processing of the foam material.

The published Chinese patent with the application number of CN201020111358.9 discloses a PVC foam board calendering and shaping device, which relates to the field of PVC board production and processing. The PVC foaming plate shaping device comprises a rack and at least one PVC foaming plate shaping device consisting of two parallel pressing plates, wherein the PVC foaming plate shaping device is arranged on the rack. The PVC foaming plate shaping device comprises a protective shell, an upper pressing plate and a lower pressing plate, wherein the upper pressing plate is connected in the protective shell on the rack in an adjustable mode through a pressing driving device and a guide pillar, the lower pressing plate is correspondingly arranged on the lower side of the upper pressing plate, and the lower pressing plate is fixed on the rack. The equipment changes the shaping and polishing process of the PVC foaming plate from the original linear contact calendaring shaping of the plate and the calendaring roller into surface contact between the plate and the pressing plate, thereby improving the calendaring shaping quality of the plate; meanwhile, by arranging the multilevel PVC foaming plate shaping device, the plate with better surface quality can be obtained. In the application, the calendering operation is modeled by the clamping force between two plates, one plate is used for pressing in the calendering process, the other plate is fixed, in the processing, because the surface temperature of the foamed foam material before the calendering operation is carried out is higher, the surface of the foam material contacted with a contact plate can form different surface forms when being contacted with different force modes, the pressing plate is continuously downwards moved in the downward process, the upper pressing plate has a movement trend, the lower pressing plate has no movement trend, and thus the smoothness of the finished calendered surface formed by the foam material on two sides can be different, and the expansibility of the foam material on two sides can be different.

The published Chinese patent with the application number of CN201820458869.4 discloses a device for extrusion and press polishing of a crosslinked polyethylene foam master slice, which comprises a frame, cooling guide rollers are arranged at the upper end and the lower end of the top of the frame, four or more cooling guide rollers are arranged at the upper end of the top of the frame, two or more cooling guide rollers are arranged at the lower end of the top of the frame, a discharging press roller frame and a feeding roller frame are respectively arranged on the frame at the two sides of the cooling guide rollers, a cutting rod is arranged between the two cooling guide rollers arranged at the upper end of the top of the frame and positioned at one side of the discharging press roller frame, two cutting knives are arranged on the cutting rod, an adjusting device is arranged on the cutting knives, the knife points of the cutting knives are lower than the tops of the cooling guide rollers, a press roller is arranged on the feeding roller frame, and a feeding guide roller is also arranged above the press roller. The utility model discloses the advantage: 1. the thickness uniformity and the surface smoothness of the finished product are improved. 2. Improving the efficiency and the productivity. 3. Convenient production and low cost.

The structure realizes the calendering through the extrusion between the pair roller in this application, and this is line contact processing, can have the calendering inhomogeneous, the poor problem of roughness.

In the prior art, the foam material calendaring device has uneven flatness on two sides after calendaring, uneven expansibility of the foam material, lower smoothness and low density of a processed plate, and seriously influences the quality of the plate.

Disclosure of Invention

In view of the above, the present invention provides a device for calendering two sides of a foam material, wherein the upper platen and the lower platen have a tendency of pressing the foam material to be processed at the same time, so that the prepared foam material has uniform expansibility, high smoothness and good flatness.

The invention relates to a device for calendering two sides of a foaming material, which comprises a substrate, a lower press light plate movably connected with the substrate through a torsion spring, and an upper calender plate arranged in parallel with the lower press light plate, the upper calender plate is fixedly connected with a fixed rod, the non-fixed end of the fixed rod is provided with an external thread, the equipment also comprises a lifting adjusting device which can be in screw connection with the fixed rod and a driving device which is partially meshed with the lifting adjusting device, the lifting adjusting device comprises a driving part, a fixed bracket and a driven part, wherein the driving part is provided with an external gear, the internal part of the driving part is provided with a through hole, the fixed bracket penetrates through the driving part, the driven part is fixedly connected with the driving part, the driven part is provided with an accommodating cavity, the accommodating cavity is internally provided with internal threads, the internal threads are matched with the external threads, the bottom of the driving part is provided with a groove, the bottom of the fixed support is fixedly connected with a limiting block, and the limiting block is accommodated in the groove.

Preferably, the substrate is horizontally arranged, and an included angle between the lower light pressing plate and the horizontal direction is 20-45 degrees.

Preferably, the driving device comprises a driving motor, a connecting rod fixedly connected with the output end of the driving motor, and a driving gear fixedly connected with the connecting rod, and the driving gear is meshed with the external gear.

Preferably, the driving part and the driven part are both cylindrical, and the accommodating cavity is a cylindrical groove formed in the non-fixed end of the driven part.

Preferably, the upper calender plate is a disc, and the fixing rod is fixedly connected to the center of the lower calender plate.

Preferably, the lower press light plate has a friction coefficient of 0.8.

Preferably, the apparatus further comprises a cooling device in abutment with the lower press light plate.

Preferably, the cooling device comprises a cooling box provided with a feeding hole and a discharging hole, a conveying belt arranged in the cooling box in an inclined mode, and cooling belts erected on the upper side and the lower side of the conveying belt, wherein an air outlet is formed in the cooling box.

Preferably, the cooling belt is a folded water conveying plate, and the folding density of the water conveying plate decreases from bottom to top in sequence.

Placing the foam material to be calendered on the lower press light plate, then rotating the driving device to enable the driving part to rotate to drive the driven part to rotate, forcing the fixed rod to extend downwards to enable the upper sub light plate to be in contact with the foam material, clamping the foam material by the upper and lower press light plates, carrying out double-side calendering, and enabling the upper and lower press light plates and the foam material to move downwards in the calendering process; after the calendering is finished, the driving device is reversely rotated, so that the upper calendering plate moves upwards, the lower calendering plate reversely deflects, and the foam material is bounced; and (4) allowing the foam material to enter a cooling device, and gradually cooling from top to bottom to finish double-sided calendering.

According to the invention, the upper pressing plate and the lower pressing plate have a tendency of pressing the foam material to be processed at the same time, so that the prepared foam material has uniform expansibility, high smoothness and good flatness. Meanwhile, the cooling process is progressive cooling, the cooling temperature is gradually reduced, the cooling of the foam material is realized, and the performance of the foam material is well protected.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for double-side calendering of a foamed material according to an embodiment of the present invention;

FIG. 2 is a schematic view of the upper calender plate of a device for double-side calendering a foamed material provided in an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a driving part of a device for double-sided calendering of foam according to an embodiment of the present invention;

FIG. 4 is a sectional view of a driving part of a device for double-side calendering of a foam material according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a driven part of a device for double-side calendering of foamed materials, according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a cooling device of a device for double-sided calendering of foamed materials according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a cooling belt of an apparatus for double-sided calendering of foamed materials according to an embodiment of the present invention.

Wherein: the device comprises a base plate 1, a torsion spring 2, a lower light pressing plate 3, a limit baffle 31, an upper light pressing plate 4, a limit rod 41, a fixing rod 42, an external thread 421, a lifting adjusting device 5, a driving part 51, an external gear 511, a through hole 512, a groove 513, a fixing bracket 52, a limit block 521, a driven part 53, an accommodating cavity 531, an internal thread 5311, a driving device 6, a driving motor 61, a connecting rod 62, a driving gear 63, a cooling device 7, a cooling box 71, a feeding hole 711, a discharging hole 712, an air outlet 713, a conveying belt 72, a cooling belt 73 and a support rod 8.

Detailed Description

The present invention will be described in detail with reference to specific embodiments. In the present application, "upward" and "downward" refer to upward and downward directions on a straight line on which they are integrally formed.

Referring to fig. 1 to 7, a double-sided calendering device for foam materials includes a base plate 1, a lower press-fit plate 3 movably connected to the base plate 1 via a torsion spring 2, and an upper calender plate 4 disposed above the lower press-fit plate 3 and parallel to the lower press-fit plate 3, the upper calender plate 4 is fixedly connected to a limit rod 41, the lower press-fit plate 3 is provided with a limit baffle 31 for blocking the limit rod 41 (the purpose of this arrangement is to make the lower press-fit plate 3 only move up and down in a direction perpendicular to an initial state of the lower press-fit plate 3 and not rotate, so that when the driven part 53 rotates, the internal thread 5311 rotates relative to the external thread 421, the fixed rod 42 is forced to move up and down along a straight line where the internal thread 5311 rotates to extrude the lower press-fit plate 3), the upper calender plate 4 is fixedly connected to a fixed rod 42, the non-stiff end of dead lever 42 sets up external screw thread 421, equipment still include can with dead lever 42 spiro union lift adjusting device 5, with lift adjusting device 5 partial meshed drive arrangement 6, lift adjusting device 5 includes that the outside is equipped with the inside drive division 51 that is equipped with a through-hole 512 of outer gear 511, passes the fixed bolster 52 of through-hole 512, with the driven part 53 of drive division 51 rigid coupling, driven part 53 is equipped with an accommodation chamber 531, be equipped with internal thread 5311 in the accommodation chamber 531, internal thread 5311 with external screw thread 421 mating reaction, dead lever 42 can stretch to in the accommodation chamber 531. The bottom of the driving part 51 is provided with a groove 513, the bottom of the fixed bracket 52 is fixedly connected with a limit block 521, and the limit block 521 is accommodated in the groove 513, so that the driving part 51 in a truncated cone shape is suspended on the fixed bracket 52, and when the driving part 51 is driven by the gear of the driving device 6, the driving part 51 can make a circular motion by taking the fixed bracket 52 as a central rotating shaft.

The substrate 1 is horizontally arranged, and the included angle between the lower light pressing plate 3 and the horizontal direction is 20-45 degrees. Such an angle is more advantageous for the regulation of the calendering force during calendering.

The driving device 6 comprises a driving motor 6161, a connecting rod 62 fixedly connected with the output end of the driving motor 6161, and a driving gear 63 fixedly connected with the connecting rod 62, wherein the driving gear 63 is meshed with the external gear 511. The driving portion 51 and the driven portion 53 are both cylindrical, and the accommodating cavity 531 is a cylindrical groove 513 formed in a non-fixed end of the driven portion 53. The upper calender plate 4 is a disc, and the fixing rod 42 is fixedly connected to the center of the lower calender plate 3. The friction coefficient of the lower light pressing plate 3 is 0.8.

The limiting baffle 31 can support the limiting rod 41, so that the truncated cone-shaped upper calender plate 4 cannot rotate, the internal thread 5311 in the accommodating cavity 531 rotates relative to the external thread 421 of the fixing rod 42 when the driven part 53 rotates, the fixing rod 42 is forced to move upwards or downwards in the rotation process of the driven part 53, so that the upper calender plate 4 is driven to move upwards or downwards on the straight line (vertical to the initial state of the lower calender plate 3) where the upper calender plate 4 is located, so that the foam material clamped between the upper calender plate 4 and the lower calender plate 3 is calendered, the upper calender plate 4 continuously presses the foam material and the lower calender plate 3 downwards in the calendering process, the lower calender plate 3 is pressed upwards under the action of the torsion spring 2 when the lower calender plate 3 presses downwards, the position of the lower calender plate 3 is deflected downwards, and the foam material is calendered in the process, the upper side of the foam material is pressed by the upper pressing plate in the calendaring process, the foam material on the lower side is pressed by the propping force from the lower pressing plate 3 (the upward trend of the rebound force brought by the torsion spring 2 can be sensed), and simultaneously, the whole calendaring process is downward, the two sides of the foam material are pressed, and the calendaring force contacted by the foam material on the lower side is more moderate, so that the prepared foam material has uniform expansibility, high smoothness and good flatness; when the smooth finish of foam material back reverse rotation drive division 51, make the internal thread 5311 reverse rotation of driven portion 53, make internal thread 5311 reverse rotation, contact limit baffle 31 when gag lever post 41, later on smooth plate 4 can not rotate, external screw thread 421 can rotate and make dead lever 42 reverse motion under the rotation of internal thread 5311, make inferior smooth plate upward movement, lose the extrusion to foam material, press smooth plate 3 to bounce down under the effect of the resilience power of torsional spring 2, the foam material on the smooth plate 3 can be bounced or have the trend of bounceing down in the drive simultaneously, the foam material after being polished like this can be followed and pressed smooth plate 3 downward movement down under the effect of gravity, so the smoothness of pressing smooth plate 3 will reach the requirement down, also can add sampling device, the foam material that inferior smooth is good shifts to next processing area. Compared with the condition that the lower light pressing plate 3 is fixed, the lower light pressing plate 3 in the embodiment can be more moderate when the foam material is calendered, which is equivalent to a buffering process, so that the phenomenon of nonuniform calendering caused by sudden stress can be avoided.

Bracing piece 8 of rigid coupling on the base plate 1, bracing piece 8 is vertical, bracing piece 8 is not with pressing down worn-out fur 3 contact when the board 3 that polishes under does not receive the force, and the board contacts with the backup pad when the board that polishes receives pressure, and bracing piece 8's effect prevents to press down worn-out fur 3 too much that pushes down, and the expanded material between board, the lower holding down board takes place distortion. Base plate 1 and push down to connect through torsional spring 2 between the worn-out fur 3, push down worn-out fur 3 and can downstream when board 3 receives pressure down, do clockwise rotation along the junction, the resilience force of torsional spring 2 can be with pushing down the reverse bounce of worn-out fur 3 after the external force that the lower pressing board received is removed.

The apparatus further comprises a cooling device 7 abutting the lower press light plate 3. The cooling device 7 comprises a cooling box 71 provided with a feeding hole 711 and a discharging hole 712, a conveying belt 72 arranged in the cooling box 71 and obliquely arranged, and a cooling belt 73 erected on the upper side and the lower side of the conveying belt 72, wherein an air outlet 713 is arranged on the cooling box 71. (the exhaust outlet 713 is located above the conveyor belt 72 to facilitate the discharge of hot air, and is disposed at the upper end of the feed inlet 711 as shown in the figure), the cooling belt 73 is a folded water conveying plate, and the folding density of the water conveying plate is reduced from bottom to top.

The foam material after being calendered enters the cooling box 71 from the feeding port 711 and moves towards the discharging port 712 under the action of the conveyor belt 72, and in the process, because the folding density of the water conveying plate is reduced from bottom to top in sequence, the temperature of the foam material is lower and lower, so that the cooling can achieve the function of graded cooling, the change of the internal structure of the foam material caused by rapid cooling is avoided, the heat flow is upward, the lower the temperature is, the hot air flow is upward, and is discharged through the air outlet 713, and the energy required in the cooling process is saved.

The working principle of the device in this embodiment is as follows:

placing the foam material to be calendered on the lower calendering plate 3, then rotating the driving device 6 to enable the driving part 51 to rotate and drive the driven part 53 to rotate, forcing the fixing rod 42 to extend downwards to enable the upper matt plate to be in contact with the foam material, clamping the foam material by the upper and lower calendering plates 3, carrying out double-sided calendering, and enabling the upper and lower calendering plates 3 and the foam material to move downwards in the calendering process; after the calendering is finished, the driving device 6 is reversely rotated, so that the upper calendering plate 4 moves upwards, the lower calendering plate 3 reversely deflects, and the foam material is bounced; the foam material enters a cooling device 7 and is gradually cooled from top to bottom, and double-sided calendering is completed.

According to the invention, the upper pressing plate and the lower pressing plate have a tendency of pressing the foam material to be processed at the same time, so that the prepared foam material has uniform expansibility, high smoothness and good flatness. Meanwhile, the cooling process is progressive cooling, the cooling temperature is gradually reduced, the foam material is cooled, the performance of the foam material is well protected, and energy is saved.

The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.