阅读说明：本技术 一种pvc自由发泡板模具的展开装置 (Unfolding device of PVC free foaming plate mold ) 是由 夏双文 于 2021-09-24 设计创作，主要内容包括：本发明公开了一种PVC自由发泡板模具的展开装置,包括模具,按照发泡板的传动方向依次经过模具、出料口、展开辊和预冷辊,所述模具的右侧通过固定螺丝与固定支架连接,所述固定支架通过调节装置与展开辊连接,两个所述预冷辊分别设置在发泡板的两侧。本发明通过固定支架为调节装置提供支撑作用,调节装置用于调节展开辊的高度,以达到展开PVC自由发泡板制品,再平整的进入预冷辊,从而能正常稳定、持续地生产合格的PVC发泡板产品。(The invention discloses a spreading device of a PVC free foaming plate mold, which comprises a mold, wherein the mold, a discharge hole, a spreading roller and precooling rollers sequentially pass through the mold according to the transmission direction of a foaming plate, the right side of the mold is connected with a fixed support through a fixing screw, the fixed support is connected with the spreading roller through an adjusting device, and the two precooling rollers are respectively arranged on two sides of the foaming plate. The invention provides a supporting function for the adjusting device through the fixed support, and the adjusting device is used for adjusting the height of the unfolding roller so as to unfold the PVC free foaming plate product and then flatly enter the pre-cooling roller, thereby being capable of normally, stably and continuously producing the qualified PVC foaming plate product.)

1. The utility model provides a PVC is expansion device of foaming board mould freely, characterized by: including mould (1), pass through mould (1), discharge gate (2), expansion roller (6) and precooling roller (7) in proper order according to the transmission direction of foaming board (3), the right side of mould (1) is passed through fixed screw (4) and is connected with fixed bolster (5), fixed bolster (5) are connected with expansion roller (6) through adjusting device, two precooling roller (7) set up the both sides in foaming board (3) respectively.

2. The unfolding device for the PVC free foaming board die as claimed in claim 1, which is characterized in that: adjusting device includes cylinder (8) and first fixed plate (9), cylinder (8) and first fixed plate (9) fixed connection, cylinder (8) are connected with ejector pad (11) through push rod (10), ejector pad (11) are connected with track (13) on first fixed plate (9) through gyro wheel (12), ejector pad (11) are connected with expansion roller (6) through the cavity.

3. The unfolding device for the PVC free foaming board die as claimed in claim 1, which is characterized in that: adjusting device includes motor (14) and second fixed plate (25), motor (14) set up in second fixed plate (25) outside, motor (14) are connected with first gear (16) through transmission shaft (15), first gear (16) and second gear (17) meshing, first gear (16) are connected with movable rod (18) through pivot (19), second gear (17) are connected with slider (21) through connecting rod (20), slider (21) are connected with movable rod (18) through slide rail (22), movable rod (18) bottom and expansion roller (6) are connected.

4. The unfolding device for the PVC free foaming board die as claimed in claim 1, which is characterized in that: the adjusting device comprises an adjusting screw rod (24), and the adjusting screw rod (24) is connected with the unfolding roller (6) through a fixing seat (23).

Technical Field

The invention relates to the technical field of molds, in particular to an unfolding device of a PVC free foaming plate mold.

Background

Polyvinyl chloride (PVC) is short, is a polymer formed by polymerizing vinyl chloride monomers under the action of initiators such as peroxides and azo compounds or under the action of light and heat according to a free radical polymerization reaction mechanism, and in the general process of producing PVC free foaming plates in factories, the existing production line equipment directly enters a pre-cooling roller after discharging materials from a die, but the free foaming plate die cannot be smooth during discharging, so wrinkles and waste products occur, and the yield in the production process is not high.

Disclosure of Invention

The invention aims to provide a spreading device of a PVC free foaming plate mould, which can ensure that a foaming plate is smooth and has no wrinkles when being discharged, and improve the yield in the production process.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a PVC freely foams expansion device of board mould, includes the mould, passes through mould, discharge gate, expansion roller and precooling roller in proper order according to the transmission direction of foaming board, the right side of mould is passed through fixed screw and is connected with the fixed bolster, the fixed bolster passes through adjusting device and is connected, two the precooling roller sets up the both sides at the foaming board respectively.

As a further scheme of the invention, the adjusting device comprises an air cylinder and a first fixing plate, the air cylinder is fixedly connected with the first fixing plate, the air cylinder is connected with a push block through a push rod, the push block is connected with a track on the first fixing plate through a roller, and the push block is connected with the unfolding roller through a cavity.

As a further scheme of the invention, the adjusting device comprises a motor and a second fixing plate, the motor is arranged on the outer side of the second fixing plate, the motor is connected with a first gear through a transmission shaft, the first gear is meshed with a second gear, the first gear is connected with a movable rod through a rotating shaft, the second gear is connected with a sliding block through a connecting rod, the sliding block is connected with the movable rod through a sliding rail, and the bottom end of the movable rod is connected with the unfolding roller.

As a further aspect of the present invention, the adjusting device includes an adjusting screw, and the adjusting screw is connected to the unwinding roller through a fixing seat.

As the technical scheme is adopted, the invention has the advantages and positive effects that: the fixed bolster provides the supporting role for adjusting device, and adjusting device is used for adjusting the height of expansion roller to reach expansion PVC freely foaming board goods, level and smooth entering precooling roller again, thereby can normally stably, continuously produce qualified PVC foaming board product.

Drawings

FIG. 1 is a schematic structural diagram of a spreading device of a PVC free foaming plate mold.

Fig. 2 is a left side view of the first embodiment of the adjustment device.

Fig. 3 is a front view of a first embodiment of an adjustment device.

FIG. 4 is a left side view of a second embodiment of an adjustment device

FIG. 5 is a front view of a second embodiment of an adjustment device

Fig. 6 is a schematic structural diagram of a third embodiment of the present invention.

In the figure: the device comprises a mould 1, a discharge port 2, a foaming plate 3, a fixing screw 4, a fixing support 5, an expansion roller 6, a pre-cooling roller 7, an air cylinder 8, a first fixing plate 9, a push rod 10, a push block 11, a roller 12, a track 13, a motor 14, a transmission shaft 15, a first gear 16, a second gear 17, a movable rod 18, a rotating shaft 19, a connecting rod 20, a sliding block 21, a sliding rail 22, a fixing seat 23, an adjusting screw 24 and a second fixing plate 25.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the unfolding device of the PVC free foaming plate mold comprises a mold 1, wherein the mold 1, a discharge port 2, an unfolding roller 6 and pre-cooling rollers 7 sequentially pass through the mold 1 according to the transmission direction of a foaming plate 3, the right side of the mold 1 is connected with a fixed support 5 through a fixing screw 4, the fixed support 5 is connected with the unfolding roller 6 through an adjusting device, and the two pre-cooling rollers 7 are respectively arranged on two sides of the foaming plate 3. The fixed support 5 provides a supporting function for the adjusting device, and the adjusting device is used for adjusting the height of the unfolding roller 6 so as to unfold PVC free foaming plate products and then flatly enter the pre-cooling roller 7, so that qualified PVC foaming plate products can be normally, stably and continuously produced.

Example 1

As shown in fig. 2 and 3, the adjusting device includes a cylinder 8 and a first fixing plate 9, the cylinder 8 is fixedly connected with the first fixing plate 9, the cylinder 8 is connected with a pushing block 11 through a push rod 10, the pushing block 11 is connected with a track 13 on the first fixing plate 9 through a roller 12, and the pushing block 11 is connected with the unwinding roller 6 through a cavity. Drive ejector pad 11 through cylinder 8 and move from top to bottom, and then can adjust the height of launching roller 6 through the drive of ejector pad 11, track 13 can avoid ejector pad 11 to take place the skew when the operation, and stability is strong, and the practicality is good.

Example 2

As shown in fig. 4 and 5, the adjusting device includes a motor 14 and a second fixing plate 25, the motor 14 is disposed outside the second fixing plate 25, the motor 14 is connected to a first gear 16 through a transmission shaft 15, the first gear 16 is engaged with a second gear 17, the first gear 16 is connected to a movable rod 18 through a rotation shaft 19, the second gear 17 is connected to a slider 21 through a connecting rod 20, the slider 21 is connected to the movable rod 18 through a sliding rail 22, and the bottom end of the movable rod 18 is connected to the unwinding roller 6. The motor 14 of the servo motor drives the first gear 16 to rotate, the height of the movable rod 18 can be adjusted by the connecting rod 20 which is meshed with the first gear 16 and the second gear 17, and then the height of the unfolding roller 6 can be adjusted by the driving of the movable rod 18, so that the use is convenient, fast and efficient, and the practicability is good.

Example 3

As shown in fig. 6, the adjusting device includes an adjusting screw 24, and the adjusting screw 24 is connected with the unwinding roller 6 through a fixing seat 23. Fixing base 23 can be injectd through adjusting screw 24 of upper and lower both sides to can adjust the height of expansion roller 6, use convenient high efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.