CN112078077A - Bubble breaking machine - Google Patents

Abstract

The invention relates to a foam breaking machine, which is different in that it comprises a frame, at least two conveying lines and at least two foam breaking units arranged on the frame, and the foam breaking units and the conveying lines are arranged in one-to-one correspondence. , the foam breaking unit is divided into a vacuum foam breaking unit and a rolling foam breaking unit; wherein, the vacuum foam breaking unit includes a driving component, a movable bracket, a vacuum box, a vacuum box guide column and a counterweight component, and the driving component is used to drive the movable bracket up and down To move, the vacuum box is hoisted under the movable bracket through the vacuum box guide column and can move up and down relative to the movable bracket. The counterweight assembly includes a counterweight, a sprocket, and a counterweight chain meshed with the sprocket. The sprocket passes through the horizontal The extended axle is connected to the frame and located above the vacuum box, one end of the counterweight chain is fixed with the counterweight, and the other end is fixed with the vacuum box. The invention has wide application range, high work efficiency, high safety performance and long service life.

Description

a bubble breaker

technical field

The invention relates to the field of foam breakers.

Background technique

When the production of automobile foam products is completed, due to the characteristics of the products in production, there are a large number of airtight gas groups in the foamed products after demolding and foaming, which makes the product texture hardened and lacks elasticity. Therefore, it is necessary to perform a foam breaking treatment on the foamed product, so that the foam pores inside the foamed product are broken and connected, so that the foamed product is breathable and its elasticity is increased, and at the same time, the air permeability of the product is increased. The most commonly used foam breaking method in the prior art is physical foam breaking. Physical foam breaking is generally performed by vacuuming or extrusion, while in the existing devices, a single method of vacuum foam breaking or rolling foam breaking is often used. However, because some automotive foam products, such as some seat cushions with metal skeletons, can only achieve the foam breaking effect by using the vacuum expansion method. Therefore, the existing equipment is not well suited for the production of multiple foamed products at the same time.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the shortcomings of the prior art, and to provide a foam breaker, which has a wide range of applications, high work efficiency, high safety performance and long service life.

In order to solve the above technical problems, the technical scheme of the present invention is: a foam breaking machine, the difference is that: it includes a frame, and at least two conveying lines and at least two foam breaking units arranged on the frame, The foam breaking unit and the conveying line are arranged in one-to-one correspondence, and the foam breaking unit is divided into a vacuum foam breaking unit and a rolling foam breaking unit; wherein, the vacuum foam breaking unit includes a drive assembly, a movable bracket, and a vacuum box , a vacuum box guide column and a counterweight assembly, the drive assembly is used to drive the movable bracket to move up and down, the vacuum box is hoisted under the movable bracket through the vacuum box guide column and can be relative to the movable bracket Moving up and down, the counterweight assembly includes a counterweight, a sprocket, and a counterweight chain engaged with the sprocket, the sprocket is connected to the frame through a horizontally extending axle and is located in the Above the vacuum box, one end of the counterweight chain is fixed with the counterweight, and the other end is fixed with the vacuum box.

According to the above technical solution, the drive assembly includes a vacuum box lifting deceleration motor, a transmission shaft, a steering gear and a transmission screw that are connected in sequence, the transmission screw extends vertically, and the drive assembly also includes a connection with the transmission screw The matched lead screw nut is fixed on the movable bracket.

According to the above technical solution, there are at least four guide posts in the vacuum box, and at least four first guide holes vertically penetrating the movable bracket are symmetrically opened on the movable support, and the first guide holes are connected to the guide holes of the vacuum box. The columns are matched in one-to-one correspondence, the upper ends of the vacuum box guide columns pass through the corresponding first guide holes respectively, and the upper ends of the guide columns form a limit block, and the lower ends of the vacuum box guide columns are fixed on the vacuum box. .

According to the above technical solution, the vacuum bubble breaking unit further includes a vacuum box lifting chain, the upper end of the vacuum box lifting chain is connected with the movable bracket, and the lower end is connected with the vacuum box, and the vacuum box lifting chain is in a relaxed state. state.

According to the above technical solution, the vacuum bubble breaking unit further includes a movable support guide column, the movable support guide column extends vertically, and the upper and lower ends of the movable support guide column are respectively fixed to the frame, and the movable support is provided with The second guide hole matched with the guide post of the movable support.

According to the above technical solution, the vacuum bubble breaking unit further includes a safety bolt, the safety bolt includes a bolt block, a bolt seat and a bolt body, the bolt block is formed on the top of the movable bracket and extends vertically upward, the The bolt block is provided with a first bolt hole extending horizontally therethrough, the bolt seat is formed on the frame at a position corresponding to the bolt block, and the bolt seat is provided with a second bolt hole extending horizontally, so The bolt body can be inserted into the first bolt hole and the second bolt hole at the same time to fix the movable bracket and the frame.

According to the above technical solution, the bolt seat has a space for letting the bolt block be inserted.

According to the above technical solutions, the safety bolt further includes a locking cylinder, the cylinder body of the locking cylinder is fixed to the bolt seat, and the piston rod of the locking cylinder is fixed to the bolt body.

According to the above technical solution, the rolling foam breaking unit includes a lower end roller part arranged on the corresponding conveying line and an upper end roller part correspondingly arranged above the lower end roller part, between the upper end roller part and the lower end roller part There is a gap constituting a rolling channel, and the rolling channel gradually decreases along the conveying direction of the conveying line.

According to the above technical solution, a transition roller part is also fixed at the rear end of the upper end roller part, and a gap is formed between the transition roller part and the lower end roller part to form a transition channel, and the transition channel gradually increases along the conveying direction of the conveying line.

Compared with the prior art, the beneficial features of the present invention are: the foam breaker has both vacuum foam breaking and mechanical foam breaking, and the vacuum foam breaking unit is mainly used for foam breaking of foamed products with metal skeleton, and foam breaking by rolling. The unit is mainly used for foam breaking of foam products without metal skeleton, and has a wide range of applications; the vacuum foam breaking unit and the rolling foam breaking unit can be used at the same time, which improves the work efficiency; the vacuum box is hoisted under the movable bracket through the vacuum box guide column , It can move up and down relative to the movable bracket, avoiding the sudden compaction of the vacuum box on the conveyor line when the movable bracket moves downward, and improving the service life of the vacuum box and the conveyor line; the counterweight assembly can provide tension to the vacuum box, which can slow down The speed of the downward movement of the vacuum box can avoid the sudden and rapid fall of the vacuum box, and the safety performance is high.

Description of drawings

1 is a schematic structural diagram of a foam breaker according to an embodiment of the present invention;

Fig. 2 is an enlarged view of part A of Fig. 1;

FIG. 3 is an enlarged view of part B of FIG. 1;

4 is a schematic diagram of the installation of a drive assembly in an embodiment of the present invention;

Fig. 5 is the partial C structure enlarged view of Fig. 4, wherein the vacuum box is not shown;

FIG. 6 is an enlarged view of part D of FIG. 4 , wherein the vacuum box lifting chain and the vacuum box guide post are not shown;

7 is a schematic diagram of the installation of the guide column of the movable support in the embodiment of the present invention;

FIG. 8 is an enlarged view of part E of FIG. 7 , wherein the vacuum box is not shown;

FIG. 9 is an enlarged view of part F of FIG. 7 , wherein the vacuum box lifting chain is not shown;

FIG. 10 is an enlarged view of the partial G structure of FIG. 7 , wherein the guide post of the vacuum box is not shown;

Fig. 11 is an enlarged view of the partial H structure of Fig. 7, wherein the vacuum box lifting chain and the vacuum box guide post are not shown;

12 is a schematic diagram of the installation of the counterweight assembly in the embodiment of the present invention;

Figure 13 is an enlarged view of the partial I structure of Figure 12, wherein the drive assembly and the movable bracket are not shown;

Among them: 1-frame, 2-drive components (201-vacuum box lifting gear motor, 202-transmission shaft, 203-steering gear, 204-transmission screw, 205-screw nut), 3-active bracket (301- first guide hole, 302-second guide hole), 4-vacuum box (401-observation area), 5-vacuum box guide post, 6-counterweight assembly (601-counterweight block, 602-sprocket, 603- Counterweight chain, 604-axle), 7-bearing seat, 8-bearing, 9-limiting block, 10-first guide sleeve, 11-installation plate, 12-installation seat, 13-vacuum box lifting chain, 14 - Guide post of movable bracket, 15-Second guide sleeve, 16-Safety bolt (1601-bolt block (16011-first bolt hole), 1602-bolt seat (16021-second bolt hole, 16022-give way slot), 1603-bolt, 1604-lock cylinder (16041-cylinder, 16042-piston rod)), 17-seal, 18-vacuum control valve, 19-vacuum pipeline, 20-guide baffle, 21-empty Box inlet detection switch, 22-Product position detection switch, 23-Product limit position detection switch, 24-Inlet section of vacuum foam breaking unit, 25-Conveying section of vacuum foam breaking unit, 26-Inlet section of rolling foam breaking unit, 27- Rolling foam breaking unit conveying section, 28-rolling foam breaking unit outlet section, 29-lower roller part, 30-upper roller part, 31-rolling channel, 32-transition roller part, 33-transition channel, 34-position Adjustment device (3401-fixed plate, 3402-movable plate), 35-pressure regulating cylinder (3501-cylinder, 3502-piston rod), 36-steel plate (3601-vacuum channel).

Detailed ways

The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

Please refer to FIG. 1 to FIG. 13 , the foam breaker according to the embodiment of the present invention is used for foam breaking of foamed products. The foam breaking machine includes a frame 1, a conveying line and a foam breaking unit. The conveying line and the foam breaking unit are arranged on the frame 1 in one-to-one correspondence, and there are at least two conveying lines and foam breaking units. The foam breaking unit is divided into a vacuum foam breaking unit and a rolling foam breaking unit. Wherein, the vacuum bubble breaking unit includes a drive assembly 2 , a movable bracket 3 , a vacuum box 4 , a guide column 5 of the vacuum box and a counterweight assembly 6 . The drive assembly 2 is used to drive the movable bracket 3 to move up and down. The vacuum box 4 is hoisted under the movable bracket 3 through the vacuum box guide column 5 , and the vacuum box 4 can move up and down with the movable bracket 3 and relative to the movable bracket 3 . The counterweight assembly 6 includes a counterweight 601 , a sprocket 602 , and a counterweight chain 603 engaged with the sprocket 602 . The sprocket 602 is connected to the frame 1 through a horizontally extending axle 604 . On the top, the sprocket 602 is located above the vacuum box 4, one end of the counterweight chain 603 is fixed to the counterweight 601, and the other end of the counterweight chain 603 is fixed to the vacuum box 4. Under the action of the block 601 and the sprocket 602 , the counterweight chain 603 can provide upward pulling force to the vacuum box 4 .

Preferably, please refer to FIG. 1 , FIG. 2 , FIG. 4 and FIG. 5 , in order to make the up and down movement of the vacuum box 4 more stable and at the same time to adjust the stroke of the vacuum box 4 , the drive assembly 2 includes a vacuum box lifting gear motor connected in sequence 201, the transmission shaft 202, the steering gear 203 and the transmission screw 204, the transmission screw 204 extends vertically, the drive assembly 2 further includes a screw nut 205 matched with the transmission screw 204, the screw The nut 205 is fixed on the movable bracket 3 . Specifically, in order to make the movement more stable, there are two steering gears 203 and two transmission screw rods 204 and are symmetrically arranged relative to the vacuum box lifting deceleration motor 201 , and two screw nuts 205 are symmetrically arranged on the movable bracket 3 . sides. Please refer to FIG. 1 , FIG. 2 , FIG. 4 and FIG. 5 , in a most preferred embodiment, the vacuum box lifting gear motor 201 , the transmission shaft 202 and the steering gear 203 are all arranged at the top of the frame 1 ; The upper and lower ends of the transmission screw 204 are respectively provided with bearing seats 7 at corresponding positions, and the upper and lower ends of the transmission screw 204 are provided with bearings 8 and installed in the bearing seats 7 .

Preferably, please refer to FIG. 1 , FIG. 2 , FIG. 4 , FIG. 7 , FIG. 9 and FIG. 12 , in order to make the up and down movement of the vacuum box 4 more stable, the movable bracket 3 is symmetrically provided with at least four vertically penetrating movable brackets 3, the vacuum box guide posts 5 are matched with the first guide holes 301 in a one-to-one correspondence. The vacuum box guide columns 5 pass through the corresponding first guide holes 301 respectively, and the upper end of the vacuum box guide column 5 is fixed with a detachable limit block 9, and the lower end of each vacuum box guide column 5 is fixed On the vacuum box 4 , the vacuum box guide column 5 can move up and down relative to the movable bracket 3 within the range limited by the limit block 9 and the vacuum box 4 . Specifically, in order to save costs while ensuring smooth movement, there are four guide columns 5 in the vacuum box. Please refer to FIG. 1 , FIG. 2 , FIG. 4 , FIG. 7 , FIG. 9 and FIG. 12 , in a most preferred embodiment, in order to make the up and down movement of the vacuum box guide column 5 more stable and avoid the wear of the first guide hole 301 , it is convenient to To replace parts, the first guide hole 301 is fixed with the first guide sleeve 10, and the upper end of the vacuum box guide post 5 is inserted into the first guide sleeve 10; in order to facilitate installation and to secure the vacuum box guide post 5, the vacuum box 4 is provided with There is a mounting plate 11 and a mounting seat 12. The lower end of the vacuum box guide post 5 is inserted into the mounting seat 12 and fixed with the mounting plate 11 by screws. The mounting plate 11, the mounting seat 12 and the vacuum box 4 are fixed by the screws.

Preferably, please refer to FIG. 1 , FIG. 2 , FIG. 4 , FIG. 7 , FIG. 10 and FIG. 12 , the vacuum bubble breaking unit further includes a vacuum box lifting chain 13 , and the upper end of the vacuum box lifting chain 13 is fixed on the movable bracket 3, the lower end of the vacuum box lifting chain 13 is fixed on the vacuum box 4; under normal conditions, the vacuum box lifting chain 13 is in a relaxed state; when the vacuum box guide column 5 is broken or the vacuum box guide column 5 and the movable bracket 3 When the vacuum box is accidentally detached, the vacuum box lifting chain 13 is straightened, which plays the role of connecting the movable bracket 3 and the vacuum box 4, and pulling the vacuum box 4, so as to avoid the vacuum box 4 from falling, which is safer and safer. Specifically, in order to save costs while ensuring safety performance and safety performance, there are four vacuum box hoisting chains 13 and are symmetrically arranged.

Preferably, please refer to FIG. 1 , FIG. 2 , FIG. 7 and FIG. 8 , in order to make the movable support 3 move up and down more smoothly and accurately, the vacuum bubble breaking unit further includes a movable support guide post 14 , and the movable support guide post 14 extends vertically, the upper and lower ends of the movable bracket guide post 14 are respectively fixed to the frame 1 , and the movable bracket 3 is provided with a second guide hole 302 matched with the movable bracket guide post 14 . More preferably, please refer to FIG. 8 , the second guide hole 302 is fixed with a second guide sleeve 15 sleeved outside the movable support guide post 14 , and the second guide sleeve 15 can move up and down along the movable support guide post 14 . Specifically, in order to save costs while ensuring smooth movement, there are four movable bracket guide posts 14 and are symmetrically arranged relative to the movable bracket 3 .

Preferably, please refer to FIG. 4 , FIG. 7 , FIG. 11 and FIG. 12 , the vacuum bubble breaking unit further includes a safety bolt 16 , and the safety bolt 16 includes a bolt block 1601 , a bolt seat 1602 and a bolt body 1603 . The block 1601 is formed on the top of the movable bracket 3 and extends vertically upward. The bolt block 1601 is provided with a first bolt hole 16011 horizontally passing through the bolt block 1601 , and the bolt seat 1602 is fixed on the frame 1 At the position corresponding to the bolt block 1601, the bolt seat 1602 is provided with a second bolt hole 16021 extending horizontally, and the bolt body 1603 can be inserted into the first bolt hole 16011 and the second bolt hole 16021 at the same time. Fix the movable bracket 3 and the frame 1 . More preferably, in order to make the fitting precision of the bolt block 1601 and the bolt seat 1602 higher, the bolt seat 1602 has an escape groove 16022 suitable for the insertion of the bolt block 1601 . More preferably, in order to enable the bolt body 1603 to be effectively inserted into the bolt block 1601 and the bolt seat 1602 and prevent the bolt body 1603 from being accidentally disengaged, the safety bolt further includes a locking cylinder 1604, the cylinder body 16041 of the locking cylinder 1604. Fixed with the bolt seat 1602 , the piston rod 16042 of the locking cylinder 1604 is fixed with the bolt body 1603 .

Preferably, in order to ensure the effect of vacuuming, the lower end of the vacuum box 4 has an opening, and a sealing ring 17 is provided on the edge of the opening of the lower end of the vacuum box 4 .

Preferably, the vacuum box 4 is made of welded steel plates and is not easily deformed.

More preferably, both sides of the vacuum box 4 are provided with observation areas 401 made of transparent materials, so as to observe the changing state of the product during vacuuming. Specifically, the observation area 401 is a glass mounted on a vacuum box through a flange.

Specifically, please refer to FIG. 1 , the top of the rack 1 is provided with a vacuum control valve 18 , and the vacuum control valve 18 and the vacuum box 4 are connected by a vacuum pipe 19 . More preferably, a steel plate 36 is provided at the bottom of the belt of the conveying section 25 of the vacuum bubble breaking unit, a vacuum channel 3601 is provided on the steel plate 36, and a vacuum control valve 18 is provided at the bottom of the vacuum channel 3601. When the product is transported to the bottom of the vacuum box 4 Afterwards, vacuum is first drawn under the belt of the conveying section 25 of the vacuum bubble breaking unit, and the product and the belt are sucked together to prevent the product from being displaced in the vacuum box 4 when the vacuum box 4 is evacuated.

Preferably, guide baffles 20 are provided on both sides of the conveying line in the width direction.

Preferably, please refer to FIG. 1 , a vacuum box inlet detection switch 21 , a product arrival detection switch 22 and a product limit position detection switch 23 are provided on one side of the conveying line width direction corresponding to the vacuum box 4 . The vacuum box inlet detection switch 21 can detect whether the product enters the bottom of the vacuum box 4, the product arrival detection switch 22 can detect whether the product has been transported in place, and the limit position detection switch 23 can detect whether the product has been transported beyond the action range of the vacuum box 4 to avoid crushing. product. The empty box entrance detection switch 21 , the product arrival detection switch 22 and the product limit position detection switch 23 are all photoelectric switches.

Preferably, in order to make the structure more compact, reduce the floor space, and improve the production and processing efficiency, please refer to FIG. 1 , the vacuum foam breaking unit is located above the rolling foam breaking unit. The conveying line corresponding to the vacuum bubble breaking unit includes an inlet section 24 of the vacuum bubble breaking unit and a conveying section 25 of the vacuum bubble breaking unit. The inlet section 24 of the vacuum bubble breaking unit and the conveying section 25 of the vacuum bubble breaking unit are independent and integrated. The conveying line corresponding to the rolling foam breaking unit includes the inlet section 26 of the rolling foam breaking unit, the conveying section 27 of the rolling foam breaking unit, and the outlet section 28 of the rolling foam breaking unit. The conveying section 27 of the bubble unit and the outlet section 28 of the rolling bubble breaking unit are independent of each other and are sequentially butted into one body. Among them, the inlet section 26 of the rolling foam breaking unit, the conveying section 27 of the rolling foam breaking unit and the rolling foam breaking unit are located at the lower end of the inlet section 24 of the vacuum foam breaking unit, and the outlet section 28 of the rolling foam breaking unit is located in the vacuum foam breaking unit and The lower end of the conveying section 25 of the vacuum bubble breaking unit.

Please refer to FIG. 1 and FIG. 3 , in the embodiment of the present invention, the rolling foam breaking unit includes a lower end roller part 29 arranged on the corresponding conveying line and an upper end roller part 30 correspondingly arranged above the lower end roller part 29 There is a gap between the upper roller portion 30 and the lower roller portion 29 forming the rolling channel 31. In order to ensure the foam breaking effect, the rolling channel 31 gradually decreases along the conveying direction of the conveying line.

Preferably, please refer to FIG. 3 , in order to adapt to different products, the front end of the upper roller part 30 is rotatably connected to the frame 1 , and the upper roller part 30 can rotate up and down around the front end of the upper roller part 30 to adjust the The rolling channel 31 is described.

More preferably, a transition roller part 32 is also fixed at the rear end of the upper end roller part 30, and there is a gap between the transition roller part 32 and the lower end roller part 29 to form a transition channel 33, and the transition channel 33 is conveyed along the conveying line. The direction increases gradually, which can avoid upturning caused by the loss of rolling pressure when the foamed product comes out of the rolling channel 31 .

Referring to FIG. 3 , in a preferred embodiment, the rolling foam breaking unit further includes a position adjusting device 34 and a pressure adjusting cylinder 35 , and the pressure adjusting cylinder 35 is connected to the frame 1 through the position adjusting device 34 . The position adjustment device 34 includes a fixed plate 3401 and a movable plate 3402 arranged on the fixed plate 3401. The fixed plate 3401 extends vertically and is fixed on the frame 1, and the movable plate 3402 is connected to the fixed plate 3401 through a screw. Detachable connection. The cylinder block 3501 of the pressure regulating cylinder 35 is rotatably connected to the movable plate 3402 , and the piston rod 3502 of the pressure regulating cylinder 35 is rotatably connected to the rear end of the upper roller part 30 . By adjusting the vertical height of the movable plate 3402 on the fixed plate 3401 to adjust the vertical height of the cylinder body 3501 of the pressure regulating cylinder 35, the use is more flexible and the extrusion height of the product can be adjusted.

In the vacuum bubble breaking unit of the embodiment of the present invention, the vacuum box lifting deceleration motor 201 drives the movable bracket 3 provided with the screw nut 205 to move up and down sequentially through the transmission shaft 202 , the steering gear 203 and the transmission screw 204 . Under the action of the vacuum box guide column 5 , the vacuum box 4 moves up and down with the movable bracket 3 and can move up and down relative to the movable bracket 3 . By providing upward pulling force to the vacuum box 4 through the counterweight assembly 6 , the downward movement speed of the vacuum box 4 can be slowed down, and the sudden and rapid fall of the vacuum box 4 can be avoided. When the vacuum box guide column 5 is broken or the vacuum box guide column 5 and the movable bracket 3 are accidentally separated, the vacuum box lifting chain 13 is straightened, which plays the role of connecting the movable bracket 3 and the vacuum box 4, and pulling the vacuum box 4 to avoid vacuum Box 4 falls, more secure and safer. In the rolling foam breaking unit, the rear end of the upper roller part 30 is also fixed with a transition roller part 32, which can avoid the upturning caused by the loss of rolling pressure when the foamed product comes out of the rolling channel 31.

The above content is a further detailed description of the present invention in conjunction with the specific embodiments, and it cannot be considered that the specific implementation of the present invention is limited to these descriptions. Under the premise of the present invention, some simple deductions or substitutions can also be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (10)

1. A foam breaker, characterized in that: it comprises a frame, at least two conveying lines and at least two foam breaking units arranged on the frame, and the foam breaking units correspond to the conveying lines one-to-one The foam breaking unit is divided into a vacuum foam breaking unit and a rolling foam breaking unit; wherein, the vacuum foam breaking unit includes a driving assembly, a movable support, a vacuum box, a vacuum box guide column and a counterweight assembly, and the driving The assembly is used to drive the movable bracket to move up and down. The vacuum box is hoisted under the movable bracket through the vacuum box guide column and can move up and down relative to the movable bracket. The counterweight assembly includes a counterweight block, A sprocket and a counterweight chain meshed on the sprocket, the sprocket is connected to the frame through a horizontally extending axle and is located above the vacuum box, one end of the counterweight chain is connected to the The counterweight is fixed, and the other end is fixed with the vacuum box. 2. The bubble breaker according to claim 1, wherein the drive assembly comprises a vacuum box lifting deceleration motor, a transmission shaft, a steering gear and a transmission screw which are connected in sequence, and the transmission screw extends vertically, The drive assembly further includes a lead screw nut matched with the transmission lead screw, and the lead screw nut is fixed on the movable bracket. 3 . The foam breaker according to claim 1 , wherein there are at least four guide posts in the vacuum box, and at least four first guide holes vertically penetrating the movable support are symmetrically provided on the movable support, 3 . The first guide holes are matched with the vacuum box guide columns one-to-one, the upper ends of the vacuum box guide columns pass through the corresponding first guide holes respectively, and the upper ends of the guide columns form limit blocks. The lower end of the vacuum box guide column is fixed on the vacuum box. 4. The bubble breaker according to claim 1, wherein the vacuum bubble breaking unit further comprises a vacuum box lifting chain, the upper end of the vacuum box lifting chain is connected with the movable bracket, and the lower end is connected with the vacuum box lifting chain. The box is connected, and the vacuum box lift chain is in a slack state. 5. The foam breaking machine according to claim 1, wherein the vacuum foam breaking unit further comprises a movable support guide column, the movable support guide column extends vertically, and the upper and lower ends of the movable support guide column are respectively connected with the machine. The movable bracket is provided with a second guide hole matched with the guide post of the movable bracket. 6 . The bubble breaker according to claim 1 , wherein the vacuum bubble breaking unit further comprises a safety plug, the safety plug comprises a plug block, a plug seat and a plug body, and the plug block is formed on the The top of the movable bracket extends vertically upward, the bolt block is provided with a first bolt hole horizontally passing through it, the bolt seat is formed on the frame at the position corresponding to the bolt block, and the bolt seat A second bolt hole extending horizontally is opened on the top, and the bolt body can be inserted into the first bolt hole and the second bolt hole at the same time to fix the movable bracket and the frame. 7 . The bubble breaker according to claim 6 , wherein the plug seat has a space for letting the plug block be inserted. 8 . 8 . The foam breaking machine according to claim 6 , wherein the safety bolt further comprises a locking cylinder, the cylinder body of the locking cylinder is fixed with the bolt seat, and the piston rod of the locking cylinder is fixed with the bolt seat. 9 . fixed with the plug body. 9 . The foam breaker according to claim 1 , wherein the rolling foam breaking unit comprises a lower end roller part arranged on the corresponding conveying line and an upper end roller part correspondingly arranged above the lower end roller part. 10 . , there is a gap between the upper end roller part and the lower end roller part to form a rolling channel, and the rolling channel gradually decreases along the conveying direction of the conveying line. 10. The bubble breaker according to claim 9, characterized in that: a transition roller part is also fixed at the rear end of the upper end roller part, and there is a gap forming a transition channel between the transition roller part and the lower end roller part, and the transition roller part is formed. The channel gradually increases along the conveying direction of the conveying line.

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