CN212123930U

CN212123930U - Automatic heating forming device of acrylic plate

Info

Publication number: CN212123930U
Application number: CN201822144830.8U
Authority: CN
Inventors: 霍振辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-19
Filing date: 2018-12-19
Publication date: 2020-12-11
Anticipated expiration: 2028-12-19

Abstract

The utility model discloses an automatic heating forming device of an acrylic plate, which comprises a nozzle, a spraying device, an upper forming mechanism and a lower forming mechanism, wherein the upper forming mechanism comprises an upper forming roller, an upper forming steel belt, a first upper roller and a second upper roller; the lower forming mechanism comprises a lower forming roller, a lower forming steel belt, a first lower roller and a second lower roller; the nozzle is used for spraying an acrylic solution between the upper forming mechanism and the lower forming mechanism; the upper forming roller is matched with the lower forming roller, so that the working surface of the upper forming steel belt and the working surface of the lower forming steel belt keep a preset distance; the spraying device is a plurality of groups of spray heads arranged at different positions of the upper forming mechanism and the lower forming mechanism. This scheme is through last shaping steel band of continuous operation and shaping steel band down to the ya keli board carries out the continuous molding to make the different positions of going up forming mechanism and lower forming mechanism be in anticipated temperature environment through spray set, accelerate the polymerization of ya keli raw materials, production efficiency is high.

Description

Automatic heating forming device of acrylic plate

Technical Field

The utility model relates to an inferior gram force board shaping technical field especially relates to an automatic heating forming device of inferior gram force board.

Background

The existing acrylic plate mainly adopts a frame-shaped die, which mainly comprises an upper plate and a lower plate, wherein the two plates clamp a forming raw material of the acrylic plate in the middle, then the acrylic plate is hung in a warm water pool to be subjected to water bath, the acrylic plate is hung out or moved into the warm water pools with different temperatures after a plurality of hours, and the raw material of the acrylic plate in the die is polymerized to form the solid acrylic plate. The method needs a large amount of occupied space and has low production efficiency. In order to ensure the smoothness of the acrylic plate, the two plates serving as the mold are generally made of glass, and the glass is easy to break in the carrying process, so that the safety of workers is threatened.

Disclosure of Invention

The utility model aims to solve the technical problem that an automatic heating forming device of ya keli board is provided, can carry out continuous molding to the ya keli board to make the different positions of going up forming mechanism and lower forming mechanism through spray set be in anticipated temperature environment, accelerate the polymerization of ya keli raw materials, production efficiency is high.

In order to solve the technical problem, the utility model provides an automatic heating forming device of an acrylic plate, which comprises a nozzle, a spraying device, an upper forming mechanism and a lower forming mechanism, wherein the upper forming mechanism comprises an upper forming roller, an upper forming steel belt, a first upper roller and a second upper roller, and the upper forming steel belt is arranged on the first upper roller and the second upper roller; the lower forming mechanism comprises a lower forming roller, a lower forming steel belt, a first lower roller and a second lower roller, and the lower forming steel belt is arranged on the first lower roller and the second lower roller; the nozzle is arranged at the feeding ends of the upper forming mechanism and the lower forming mechanism and used for spraying an acrylic solution between the upper forming mechanism and the lower forming mechanism; the upper forming roller is matched with the lower forming roller, so that the working surface of the upper forming steel belt and the working surface of the lower forming steel belt keep a preset distance; the spraying device is a plurality of groups of spray heads arranged at different positions of the upper forming mechanism and the lower forming mechanism, and the spray heads spray water with different temperatures to enable the different positions of the upper forming mechanism and the lower forming mechanism to be in expected temperature environments.

As an improvement of the scheme, the upper forming mechanism and the lower forming mechanism are divided into different process areas by segmented partition plates.

As an improvement of the scheme, the spray head is arranged in a guide groove, and the guide groove is obliquely arranged relative to the upper forming steel belt or the lower forming steel belt.

As an improvement of the scheme, the spraying device is connected with a water supply mechanism, and the water supply mechanism comprises a water collecting mechanism, a water filtering mechanism and a water heating and pressurizing mechanism.

As an improvement of the scheme, the upper forming steel belt is also provided with a vacuum adsorption mechanism for enabling a working part of the upper forming steel belt to be tightly attached to the corresponding upper forming roller; the vacuum adsorption mechanism comprises a first sleeving piece, a second sleeving piece and a vacuum pump; the second sleeving piece is sleeved in the first sleeving piece, the bottom surface of the first sleeving piece is located on the upper surface of the working part of the upper forming steel belt, the first sleeving piece can stretch relative to the second sleeving piece, and the vacuum pump is used for sucking air in the first sleeving piece and the second sleeving piece.

As an improvement of the scheme, the cross sections of the first sleeving piece and the second sleeving piece are rectangular; the bottom of the first sleeving piece is provided with a movable roller, and the lowest point of the movable roller is lower than the bottom surface of the first sleeving piece.

As an improvement of the scheme, the upper forming roller and the lower forming roller are fixedly installed through corresponding adjusting seats, and the adjusting seats have independent adjusting functions of the single upper forming roller or the single lower forming roller and a plurality of independent adjusting functions of the upper forming roller or the lower forming roller.

As an improvement of the above scheme, the adjusting fixing seat comprises a fixedly arranged base plate, and a sliding groove is vertically arranged on the base plate; the movable plate can slide up and down relative to the base plate, and a sliding block is arranged on the movable plate and extends into the sliding groove; the movable plate is provided with an adjusting bolt, and the upper forming roller or the lower forming roller is arranged on the adjusting bolt through a sliding seat.

As an improvement of the scheme, the base plate is provided with positioning screw holes with different heights, and the movable plate is fixed on the different positioning screw holes so as to adjust the height of the upper forming roller or the lower forming roller arranged on the movable plate.

As an improvement of the scheme, the movable plate is further connected with an adjusting screw rod, the adjusting screw rod is connected with a servo motor, and the adjusting screw rod is driven to rotate through the servo motor so as to adjust the height of the movable plate.

Implement the utility model discloses, following beneficial effect has:

this scheme is through last shaping steel band of continuous operation and shaping steel band down to the ya keli board carries out continuous molding to make the different positions of going up forming mechanism and lower forming mechanism be in anticipated temperature environment through spray set for the polymerization of ya keli raw materials, production efficiency is high, and the disposable automatic molding of ya keli board avoids operations such as current technology handling mould, has simplified production technology. Compared with the traditional electric heating mode, the spraying heating mode has more uniform temperature rise and is beneficial to improving the polymerization quality of the acrylic plate.

Drawings

Fig. 1 is a schematic view of an overall structure of an automatic thermal forming apparatus for an acrylic plate according to the present invention;

fig. 2 and 3 are schematic structural views of the vacuum adsorption mechanism of the present invention;

fig. 4 is a schematic structural view of a first embodiment of the adjusting base of the present invention;

fig. 5 is a schematic structural view of a second embodiment of the adjusting base of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

As shown in fig. 1, an embodiment of the present invention provides an automatic heating and forming device for an acrylic plate, including a nozzle 1, a spraying device 6, an upper forming mechanism 2 and a lower forming mechanism 3, where the upper forming mechanism 2 includes an upper forming roller 21, an upper forming steel belt 22, a first upper roller 23 and a second upper roller 24, and the upper forming steel belt 22 is disposed on the first upper roller 23 and the second upper roller 24; the lower forming mechanism 3 comprises a lower forming roller 31, a lower forming steel belt 32, a first lower roller 33 and a second lower roller 34, and the lower forming steel belt 32 is arranged on the first lower roller 33 and the second lower roller 34; the nozzle 1 is arranged at the feeding ends of the upper forming mechanism 2 and the lower forming mechanism 3 and is used for spraying an acrylic solution between the upper forming mechanism 2 and the lower forming mechanism 3; the upper forming roller 21 and the lower forming roller 31 are matched to keep the working surface of the upper forming steel belt 22 and the working surface of the lower forming steel belt 32 at a preset distance; the spraying device 6 comprises a plurality of groups of spray heads 61 arranged at different positions of the upper forming mechanism 2 and the lower forming mechanism 3, and the spray heads spray water with different temperatures to enable the different positions of the upper forming mechanism 2 and the lower forming mechanism 3 to be in expected temperature environments.

This scheme is through last forming steel band 22 and lower forming steel band 32 of continuous operation to the ya keli board carries out the continuous molding to make the different positions of going up forming mechanism 2 and lower forming mechanism 3 be in anticipated temperature environment through spray set for the polymerization of ya keli raw materials, production efficiency is high, and the disposable automatic molding of ya keli board avoids operations such as current technology handling mould, has simplified production technology. Compared with the traditional electric heating mode, the spraying heating mode has more uniform temperature rise and is beneficial to improving the polymerization quality of the acrylic plate.

In order to realize accurate subarea temperature control, the scheme divides the upper forming mechanism 2 and the lower forming mechanism 3 into different process areas through the sectional partition plates 7, and the upper forming steel belt 22 and the lower forming steel belt 32 pass through the sectional partition plates 7. The space between the partition boards 7 is also beneficial to the collection and the recycling of the water for heating.

Preferably, the spray head 61 is disposed in a guide groove 62, and the guide groove 62 is disposed obliquely with respect to the upper formed steel strip 22 or the lower formed steel strip 32. The inclined guide groove 62 enables water sprayed from the spray head 61 to incline towards a preset direction, so that the water is scattered, the concentrated impact of water flow on a certain position of the upper forming steel strip 22 or the lower forming steel strip 32 is avoided, and the heat conduction is more uniform.

The spraying device 6 is connected with a water supply mechanism 8, and the water supply mechanism 8 comprises a water collecting mechanism 81, a water filtering mechanism 82 and a water heating and pressurizing mechanism 83. The water collecting mechanism 81 is a funnel-shaped groove arranged below the lower forming mechanism, the water filtering mechanism 82 is connected with the funnel-shaped groove, and the water collecting mechanism mainly comprises a filter screen and filter cotton in sequence and is used for filtering the collected water; the water heating and pressurizing mechanism 83 is composed of an electric heating pipe and a pressurizing pump, the flowing water is heated by the electric heating pipe, and the heated water is pumped to the spray head 61 by the pressurizing pump.

In order to realize continuous molding of the acrylic sheet, the upper molding mechanism 2 and the lower molding mechanism 3 must have a large length, and in particular, the working length of the upper molding mechanism 2 and the lower molding mechanism 3 for clamping the acrylic sheet should be more than 1 km. The upper forming mechanism 2 of such a length has a large span of the steel strip 22 formed thereon, and the work surface is inevitably sagged by gravity. In order to avoid the sagging of the upper forming steel strip 22 and influence the thickness uniformity of the acrylic plate, as shown in fig. 2 and fig. 3, a vacuum adsorption mechanism 4 is further provided on the upper forming steel strip 22 for making the working part of the upper forming steel strip 22 closely contact with the corresponding upper forming roller 21. Wherein, the vacuum adsorption mechanism 4 comprises a first sleeve member 41, a second sleeve member 42 and a vacuum pump (not shown in the figure); the second sleeving part 42 is sleeved in the first sleeving part 41, the bottom surface of the first sleeving part 41 is located on the upper surface of the working part of the upper forming steel belt 22, the first sleeving part 41 can stretch relative to the second sleeving part 42, and the vacuum pump is used for sucking air in the first sleeving part 41 and the second sleeving part 42.

Preferably, the first and

second nesting members

41, 42 are rectangular in cross-section. The bottom of the first nesting part 41 is provided with a movable roller 43, and the lowest point of the movable roller 43 is lower than the bottom surface of the first nesting part 41. When the upper formed steel belt 22 is sucked by the first sleeving part 41, the upper formed steel belt 22 still needs to move forwards, so that friction is inevitably generated between the upper formed steel belt 22 and the first sleeving part 41, the movable roller 43 is in contact with the upper formed steel belt 22, and when the upper formed steel belt 22 moves, the movable roller 43 rotates along with the upper formed steel belt 22, so that the sliding friction of the upper formed steel belt 22 is reduced, and the operation of the upper formed steel belt 22 is more stable.

As described above, the present solution requires a long acrylic plate forming distance in which the thickness of the acrylic plate is ensured by the upper forming roller 21 and the lower forming roller 31 provided on the upper forming steel belt 22 and the lower forming steel belt 32. The positions of the upper and lower forming

rollers

21, 31 must be conveniently and accurately adjustable. As shown in fig. 4, in the present embodiment, the upper forming roller 21 and the lower forming roller 31 are fixedly installed by the corresponding adjusting seats 5, and the adjusting seats 5 have independent adjusting functions of the single upper forming roller 21 or the lower forming roller 31 and a plurality of independent adjusting functions of the upper forming roller 21 or the lower forming roller 31.

Preferably, the adjusting base 5 comprises a base plate 51 fixedly arranged, and a sliding groove 52 is vertically arranged on the base plate 51; a movable plate 53 capable of sliding up and down relative to the base plate 51, wherein a sliding block 54 is arranged on the movable plate 53, and the sliding block 54 extends into the sliding groove 52; the movable plate 53 is provided with an adjusting bolt 55, and the upper forming roller 21 or the lower forming roller 31 is arranged on the adjusting bolt 55 through a pulley seat 56.

According to the first embodiment of the adjusting base 5 of the present application, the base plate 51 is provided with positioning screw holes 57 with different heights, and the movable plate 53 is fixed on the different positioning screw holes 57 to adjust the height of the upper forming roller 21 or the lower forming roller 31 mounted thereon. Because the thickness of inferior gram force board presents the step change according to the difference of specification, through predetermineeing not co-altitude location screw 57 on base plate 51, can quick adjustment the whole height of going up forming roller 21, especially the thickness of different product specifications is adjusted into 5 mm's inferior gram force board like 3 mm's inferior gram force board, only need change movable plate 53 to the location screw 57 of high 2mm, adjust accurately.

As shown in fig. 5, according to the second embodiment of the adjusting base 5 of the present application, an adjusting lead screw 58 is further connected to the movable plate 53, the adjusting lead screw 58 is connected to a servo motor 59, and the servo motor 59 drives the adjusting lead screw 58 to rotate, so as to adjust the height of the movable plate 53. The embodiment introduces the servo motor 59 to adjust the movable plate 53, when the height of the movable plate 53 needs to be adjusted, the servo motor 59 controls the lead screw to rotate by a preset angle, and as the servo motor 59 is fixedly arranged, the movable plate 53 is upgraded to a preset height, all the movable plates 53 can be adjusted at one time, and the adjustment speed is high, and the work is stable and reliable.

The working principle of the present solution is explained below with the structure of the present adjustment seat 5 as a whole:

1. before operation, the distance and the straightness of the upper forming roller 21 and the lower forming roller 31 are adjusted by the adjusting seat 5.

2. An MMA monomer and an initiator are mixed into an acrylic plate raw material and are sprayed between an upper forming mechanism 2 and a lower forming mechanism 3 through a nozzle 1, and a motor drives a first upper roller 23 to rotate and drives an upper forming steel belt 22 to rotate; the motor drives the first lower roller 33 to rotate, drives the lower forming steel belt 32 to rotate, clamps the acrylic plate raw material mixed by the MMA monomer and the initiator in the upper forming steel belt 22 and the lower forming steel belt 32, and conveys the acrylic plate raw material forwards at a constant speed.

3. During the conveying process, the distance between the working surfaces of the upper forming steel belt 22 and the lower forming steel belt 32 is limited by the upper forming roller 21 and the lower forming roller 31, so that the thickness of the acrylic plate is stably controlled.

4. In the conveying process, the upper forming steel belt 22 is adsorbed and lifted through the vacuum adsorption mechanism 4, the dead weight of the upper forming steel belt 22 is offset, and the uniform thickness of the acrylic plate finished product is ensured.

5. In the conveying process, the spraying device 6 sprays warm water to the formed acrylic plate, and hot water bath is carried out on acrylic so that the acrylic raw material reaches the corresponding process temperature. In order to enable the temperature rise and fall time of the acrylic in conveying to meet the process requirement, the scheme divides the upper forming mechanism 2 and the lower forming mechanism 3 into different process areas through segmented clapboards 7, the different process areas correspond to different heating temperatures, and the process requirement that the acrylic keeps at different temperatures for different time can be realized by matching with the adjustment of the transmission speed.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.

Claims

1. An automatic heating forming device for an acrylic plate is characterized by comprising a nozzle, a spraying device, an upper forming mechanism and a lower forming mechanism, wherein the upper forming mechanism comprises an upper forming roller, an upper forming steel strip, a first upper roller and a second upper roller; the lower forming mechanism comprises a lower forming roller, a lower forming steel belt, a first lower roller and a second lower roller, and the lower forming steel belt is arranged on the first lower roller and the second lower roller; the nozzle is arranged at the feeding ends of the upper forming mechanism and the lower forming mechanism and used for spraying an acrylic solution between the upper forming mechanism and the lower forming mechanism; the upper forming roller is matched with the lower forming roller, so that the working surface of the upper forming steel belt and the working surface of the lower forming steel belt keep a preset distance; the spraying device is a plurality of groups of spray heads arranged at different positions of the upper forming mechanism and the lower forming mechanism, and the spray heads spray water with different temperatures to enable the different positions of the upper forming mechanism and the lower forming mechanism to be in expected temperature environments.

2. The automated thermal forming apparatus for acrylic sheets as claimed in claim 1, wherein said upper forming means and said lower forming means are divided into different process zones by means of segmented partitions.

3. The automatic heat molding apparatus for acrylic plates as claimed in claim 2, wherein said spray head is provided in a guide groove which is inclined with respect to the upper or lower molding steel strip.

4. The automatic heat forming apparatus for acrylic plates as claimed in claim 3, wherein said spraying means is connected to a water supply means comprising a water collecting means, a water filtering means and a water heating and pressurizing means.