CN112157863A

CN112157863A - Double-vacuum-box bubble breaking machine

Info

Publication number: CN112157863A
Application number: CN202011083016.5A
Authority: CN
Inventors: 吴壮利
Original assignee: Wuhan Zhengwei Machinery Co ltd
Current assignee: Wuhan Zhengwei Machinery Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-01

Abstract

The invention relates to a double-vacuum-box bubble breaking machine, which is characterized in that: the device comprises a rack, and a conveying line and a bubble breaking unit which are arranged on the rack; the number of the conveying lines is at least three, and each conveying line extends transversely and is vertically distributed on the rack at intervals; the bubble breaking units are arranged in one-to-one correspondence with the conveying lines and are divided into vacuum bubble breaking units and rolling bubble breaking units, and the number of the vacuum bubble breaking units is at least two; the vacuum bubble breaking unit comprises a vacuum box positioned above the corresponding conveying line and a lifting mechanism for driving the vacuum box to lift; the rolling and bubble breaking unit comprises at least two rolling and bubble breaking components which are distributed at intervals along the length direction of the corresponding conveying line, each rolling and bubble breaking component 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, and a gap forming a rolling channel is formed between the upper end roller part and the lower end roller part. The invention has wide application range and high working efficiency, and can not only completely bubble but also avoid fracturing products.

Description

Double-vacuum-box bubble breaking machine

Technical Field

The invention relates to the field of bubble breaking machines, in particular to a double-vacuum-box bubble breaking machine.

Background

When the production of the automobile foaming product is finished, due to the characteristics of the product in the production, a large amount of closed gas clusters exist in the foaming product after demoulding and foaming, so that the product is hardened in texture and lacks elasticity. Therefore, it is necessary to perform a foam breaking process on the foamed product so as to break open and communicate the foam pores inside the foamed product, thereby making the foamed product breathable and increasing the elasticity thereof, and at the same time, increasing the breathability of the product. The most common foam breaking mode in the prior art is physical foam breaking, which generally adopts a vacuumizing or extruding mode to break foam, while the existing device mostly adopts a single mode of vacuum foam breaking or rolling foam breaking, and as some automobile foaming products, such as a part of cushions, have metal frameworks, only the vacuum foam breaking mode can be adopted, and the foam breaking effect can be achieved. Moreover, the existing mechanical rolling foam breaking is easy to have incomplete foam opening phenomenon or product fracturing phenomenon. Thus, the existing equipment is not well adapted to the production of multiple foamed products simultaneously.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a double-vacuum-box bubble breaking machine which is wide in application range, high in working efficiency, capable of completely breaking bubbles and avoiding fracturing products, and each vacuum bubble breaking unit can work separately and simultaneously without mutual influence, is suitable for production of large-batch products, and can be used for solving the problem of high production efficiency.

In order to solve the technical problems, the technical scheme of the invention is as follows: broken bubble machine of two vacuum boxes, its difference lies in: the device comprises a rack, and a conveying line and a bubble breaking unit which are arranged on the rack; the number of the conveying lines is at least three, and each conveying line extends transversely and is vertically distributed on the rack at intervals; the bubble breaking units are arranged in one-to-one correspondence with the conveying lines and are divided into vacuum bubble breaking units and rolling bubble breaking units, and at least two vacuum bubble breaking units are arranged; the vacuum bubble breaking unit comprises a vacuum box positioned above the corresponding conveying line and a lifting mechanism for driving the vacuum box to lift; the broken bubble unit rolls including two at least broken bubble subassemblies that roll along the transfer chain length direction interval distribution that corresponds, each the broken bubble subassembly rolls respectively including locating the lower extreme roller portion on the transfer chain that corresponds and corresponding locating the upper end roller portion of lower extreme roller portion top, it rolls the clearance of passageway to have the constitution between upper end roller portion and the lower extreme roller portion, it follows to roll the passageway transfer chain direction of delivery reduces gradually.

According to the technical scheme, the number of the conveying lines is three, and the number of the vacuum bubble breaking units is two.

According to the technical scheme, the vacuum bubble breaking unit is positioned above the rolling bubble breaking unit.

According to the technical scheme, each transfer chain includes mutually independent and the entry belt section, conveying belt section and the export belt section that dock in proper order respectively, the vacuum chamber is located the correspondence the conveying belt section upper end of transfer chain, lower extreme gyro wheel portion locates the correspondence on the conveying belt section of transfer chain.

According to the technical scheme, one side of the conveying belt section in the width direction, which corresponds to the vacuum box, is provided with a vacuum box inlet detection switch, a product in-place detection switch and a product limit position detection switch.

According to the technical scheme, the two sides of the conveying line in the width direction are provided with the guide baffle plates.

According to the technical scheme, the rack is provided with guide frames which are arranged in one-to-one correspondence with the vacuum boxes, each guide frame comprises four linear guide rails which are symmetrically arranged and vertically extend, and guide grooves matched with the linear guide rails are formed outside the vacuum boxes.

According to the technical scheme, the vacuum box is constructed into a structure with an opening at the lower end, and a sealing ring is arranged at the opening at the lower end of the vacuum box.

According to above technical scheme, elevating system is including the frequency conversion brake gear motor, first connecting rod and the second connecting rod that connect gradually, frequency conversion brake gear motor is fixed with the frame and is located the transfer chain below, the one end of first connecting rod with frequency conversion brake gear motor's output shaft is fixed, the other end with second connecting rod rotatable coupling, the other end of second connecting rod with a side rotatable coupling of vacuum chamber.

According to above technical scheme, the front end of upper end roller portion with frame rotatable coupling, upper end roller portion can be around its front end rotation from top to bottom in order to adjust roll the passageway.

Compared with the prior art, the invention has the beneficial characteristics that: the double-vacuum-box foam breaking machine has the advantages that vacuum foam breaking and mechanical foam breaking are achieved simultaneously, the vacuum foam breaking unit is mainly used for breaking foam of a foaming product with a metal framework, the rolling foam breaking unit is mainly used for breaking foam of a foaming product without the metal framework, and the application range is wide; the vacuum bubble breaking units are at least two, and all the vacuum bubble breaking units and the rolling bubble breaking units can be used simultaneously, so that the working efficiency is improved; the rolling and foam breaking unit is provided with at least two rolling and foam breaking components, so that the phenomenon that the foaming product is not completely foamed when being foamed at the same height can be avoided, and the phenomenon that the foaming product is cracked due to the fact that a rolling channel between the upper end roller part and the lower end roller part of the rolling and foam breaking components is too small can be avoided.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

FIG. 4 is an enlarged view of the structure of FIG. 1;

wherein: 1-frame, 2-vacuum box (201-vacuumizing and exhausting interface), 3-lifting mechanism (301-variable frequency brake speed reducing motor (3011-output shaft), 302-first connecting rod, 303-second connecting rod), 4-abdicating channel, 5-upper roller part, 6-lower roller part, 7-rolling channel, 8-inlet belt section, 9-conveying belt section, 10-outlet belt section, 11-vacuum box inlet detection switch, 12-product in-place detection switch, 13-product limit position detection switch, 14-guide baffle, 15-linear guide rail, 16-sealing ring, 17-hose, 18-position regulating device (1801-fixing plate, 1802-movable plate), 19-pressure regulating cylinder (1901-cylinder body), 1902-piston rod), 20-screw, 21-hinge, 22-transition roller part, 23-transition channel.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Referring to fig. 1 to 4, a double vacuum box bubble breaking machine according to an embodiment of the present invention is used for breaking bubbles of a foamed product. The bubble breaking machine comprises a frame 1, a conveying line and a bubble breaking unit. The conveying line and the bubble breaking unit are both arranged on the rack 1. The number of the conveying lines is at least three, and each conveying line extends transversely and is vertically distributed on the rack 1 from top to bottom at intervals. The bubble breaking units are arranged in one-to-one correspondence with the conveying lines. The foam breaking unit is divided into a vacuum foam breaking unit and a rolling foam breaking unit, the vacuum foam breaking unit is mainly used for breaking foam of a foaming product with a metal framework, and the rolling foam breaking unit is mainly used for breaking foam of a foaming product without the metal framework. Wherein, the vacuum bubble breaking units are at least two. Each vacuum bubble breaking unit comprises a vacuum box 2 and a lifting mechanism 3, the vacuum box 2 is located above the corresponding conveying line, and the lifting mechanism 3 is used for driving the vacuum box 2 to lift. Driven by the lifting mechanism 3, the vacuum box 2 can move downwards to form a closed space in contact with the conveying line for vacuumizing or move upwards to form a yielding channel 4 between the vacuum box and the conveying line for passing the product. One rolls broken bubble unit and includes that at least two rolls broken bubble subassemblies, each rolls broken bubble subassembly and follows corresponding transfer chain length direction interval distribution in proper order. Each crushing and bubble breaking component respectively comprises an upper end roller part 5 and a lower end roller part 6 which are correspondingly arranged. Lower extreme roller portion 6 is located on the conveying line that corresponds, and upper end roller portion 5 corresponds and locates lower extreme roller portion 6 top, have the clearance that constitutes and roll passageway 7 between upper end roller portion 5 and the lower extreme roller portion 6, roll passageway 7 and follow conveying line direction of delivery reduces gradually.

Preferably, the transfer line has three. The vacuum bubble breaking units are two. One crush bubble unit includes two crush bubble assemblies.

Preferably, the vacuum bubble breaking unit is located above the roller compaction bubble breaking unit.

Preferably, each conveying line respectively includes mutually independent and the entry belt section 8, conveying belt section 9 and the export belt section 10 that dock in proper order, not only is convenient for maintain the renewal part, starts alone and stops, and the contained angle between adjustable entry belt section 8 and the conveying belt section 9 and the contained angle between export belt section 10 and the conveying belt section 9 use more nimble. The vacuum box 2 is located correspondingly the upper end of the conveying belt section 9 of the conveying line, and the lower end roller part 6 is located correspondingly on the conveying belt section 9 of the conveying line.

More preferably, a vacuum box inlet detection switch 11, a product in-position detection switch 12 and a product limit position detection switch 13 are provided at one side of the width direction of the conveyor belt segment 9 provided corresponding to the vacuum box 2. The vacuum box inlet detection switch 11 can detect whether the product enters the lower part of the vacuum box 2, the product in-place detection switch 12 can detect whether the product is conveyed in place, and the limit position detection switch 13 can detect whether the product is conveyed to exceed the action range of the vacuum box 2, so that the product is prevented from being crushed. The empty box inlet detection switch 11, the product in-place detection switch 12 and the product limit position detection switch 13 are all photoelectric switches.

Preferably, guide baffles 14 are arranged on two sides of the conveying line in the width direction, so that the product is prevented from deviating.

Preferably, in order to enable the vacuum box 2 to move up and down stably, guide frames which are arranged in one-to-one correspondence with the vacuum box 2 are arranged on the machine frame 1, each guide frame comprises four linear guide rails 15 which are symmetrically arranged and vertically extend, and guide grooves matched with the linear guide rails 15 are formed outside the vacuum box 2.

Preferably, the vacuum box 2 is constructed in a structure with an opening at the lower end, and a sealing ring 16 is disposed at the opening at the lower end of the vacuum box 2 in order to ensure the sealing performance of the vacuum box 2. The sealing ring 16 is installed in an embedded mode, sealing is good, the sealing ring is not prone to falling off and crushing, and meanwhile replacement is convenient. Specifically, the sealing ring 16 is a silica gel sealing ring.

Preferably, the top of the vacuum box 2 is provided with a vacuum pumping and exhausting interface 201, and the vacuum pumping and exhausting interface 201 is connected with the vacuum pump set pipeline through a high-strength steel wire reinforced transparent hose 17. Each vacuum pump is correspondingly connected with a vacuum box 2 and a vacuum buffer tank.

Preferably, the vacuum box 2 is formed by welding steel plates and is not easy to deform.

More preferably, both sides of the vacuum box 2 are provided with observation regions made of transparent material so as to observe the changing state of the product when vacuum is applied. Specifically, the observation area is glass mounted on the vacuum box through a flange.

Preferably, elevating system 3 is including the frequency conversion brake gear motor 301, first connecting rod 302 and the second connecting rod 303 that connect gradually, frequency conversion brake gear motor 301 is fixed with frame 1 and is located the transfer chain below, the lower extreme of first connecting rod 302 with frequency conversion brake gear motor 301's output shaft 3011 is fixed, first connecting rod 302 upper end with the lower extreme rotatable coupling of second connecting rod 303, the upper end of second connecting rod 303 with a side rotatable coupling of vacuum chamber 2.

Preferably, in order to adjust the rolling channel 7 to be suitable for products with different thicknesses, the front end of the upper roller part 5 is rotatably connected with the frame 1, and the upper roller part 5 can rotate up and down around the front end of the upper roller part 5 to adjust the rolling channel 7.

In a preferred embodiment, each of the crush bubble assemblies further comprises a position adjustment device 18 and a pressure adjustment cylinder 19. The position adjusting device 18 comprises a fixed plate 1801 and a movable plate 1802 arranged on the fixed plate 1801, the fixed plate 1801 vertically extends and is fixed on the rack 1, the movable plate 1802 is detachably connected with the fixed plate 1801 through a screw 20, the movable plate 1802 is rotatably connected with the front end of the upper roller part 5 through a hinge 21, the vertical height of the movable plate 1802 on the fixed plate 1801 is adjusted to adjust the vertical height of the front end of the upper roller part 5, and the position adjusting device is more flexible to use and can be effectively applied to products with different thicknesses. The cylinder 1901 of the pressure adjusting cylinder 19 is rotatably connected to the frame 1, and the piston rod 1902 of the pressure adjusting cylinder 19 is rotatably connected to the rear end of the upper roller part 5. More preferably, the pressure adjusting cylinder 19 is fixed to the frame 1 by a position adjusting device 18, the fixed plate 1801 extends vertically and is fixed to the frame 1, the movable plate 1802 is detachably connected to the fixed plate 1801 by a screw 20, and the movable plate 1802 is rotatably connected to the cylinder 1901 of the pressure adjusting cylinder 19 by a hinge 21.

Preferably, a transition roller part 22 is further fixed at the rear end of the upper roller part 5. Have the clearance that constitutes transition passageway 23 between transition roller portion 22 and the lower extreme roller portion 6, transition passageway 23 is followed transfer chain direction of delivery increases gradually, when can avoiding the foaming product to come out from rolling in the passageway 7, owing to lose the upwarp that rolling pressure leads to.

The double-vacuum-box bubble breaking machine provided by the embodiment of the invention comprises two parts, wherein one part is used for breaking bubbles in a vacuum mode, and the other part is used for breaking bubbles by mechanical rolling. The foam breaking machine adopts an upper layer structure, a middle layer structure and a lower layer structure, the upper layer is a vacuum foam breaking unit, the foam breaking machine is mainly used for vacuumizing and breaking foam of seat foam with a metal framework, the lowest layer is a mechanical roller rolling type structure and is of a two-stage type, the fracturing phenomenon caused by once rolling due to the fact that the thickness of a product is too thick can be avoided, and the foam breaking machine is mainly used for breaking foam without the metal framework. The bubble breaking machine has the characteristics of simple and convenient operation, high production efficiency and the like.

The working principle of the vacuum bubble breaking unit in the embodiment of the invention is as follows: putting a product on a conveyor line inlet belt section 8, moving the product forwards on the conveyor line inlet belt section 8 until a vacuum box inlet detection switch 11 senses that the product exists, starting the conveyor line conveyor belt section 9 to convey the product to the lower part of a vacuum box 2, stopping the conveyor line conveyor belt section 9 when a product in-place detection switch 12 senses a product in-place signal, putting down the vacuum box 2 and pressing the vacuum box with the conveyor line conveyor belt section 9, opening a vacuum valve to vacuumize, exhausting, re-vacuumizing and re-exhausting when the vacuum degree reaches a set value, performing multi-cycle circulation as required until vacuum bubble breaking is completed, lifting and opening the vacuum box 2 after the system is closed and vacuumized, and operating the conveyor line conveyor belt section 9 and an outlet belt section 10 to convey the foam out, and allowing the next foam to enter and starting the next cycle.

The above description is provided for the purpose of describing the present invention in more detail, and it should not be construed that the present invention is limited to the description, and it will be apparent to those skilled in the art that various modifications and substitutions can be made without departing from the spirit of the present invention.

Claims

1. Broken bubble machine of two vacuum boxes, its characterized in that: the device comprises a rack, and a conveying line and a bubble breaking unit which are arranged on the rack; the number of the conveying lines is at least three, and each conveying line extends transversely and is vertically distributed on the rack at intervals; the bubble breaking units are arranged in one-to-one correspondence with the conveying lines and are divided into vacuum bubble breaking units and rolling bubble breaking units, and at least two vacuum bubble breaking units are arranged; the vacuum bubble breaking unit comprises a vacuum box positioned above the corresponding conveying line and a lifting mechanism for driving the vacuum box to lift; the broken bubble unit rolls including two at least broken bubble subassemblies that roll along the transfer chain length direction interval distribution that corresponds, each the broken bubble subassembly rolls respectively including locating the lower extreme roller portion on the transfer chain that corresponds and corresponding locating the upper end roller portion of lower extreme roller portion top, it rolls the clearance of passageway to have the constitution between upper end roller portion and the lower extreme roller portion, it follows to roll the passageway transfer chain direction of delivery reduces gradually.

2. The dual vacuum box bubble breaker of claim 1, wherein: the conveying lines are three, and the vacuum bubble breaking units are two.

3. The dual vacuum box bubble breaker of claim 1, wherein: the vacuum bubble breaking unit is positioned above the rolling bubble breaking unit.

4. The dual vacuum box bubble breaker of claim 1, wherein: each conveying line respectively comprises an inlet belt section, a conveying belt section and an outlet belt section which are mutually independent and are sequentially butted, the vacuum box is positioned at the upper end of the corresponding conveying belt section of the conveying line, and the roller part at the lower end is arranged on the corresponding conveying belt section of the conveying line.

5. The dual vacuum box bubble breaker of claim 4, wherein: and one side of the conveying belt section in the width direction, which corresponds to the vacuum box, is provided with a vacuum box inlet detection switch, a product in-place detection switch and a product limit position detection switch.

6. The dual vacuum box bubble breaker of claim 1, wherein: and guide baffle plates are arranged on two sides of the conveying line in the width direction.

7. The dual vacuum box bubble breaker of claim 1, wherein: the vacuum box is characterized in that guide frames which are in one-to-one correspondence with the vacuum boxes are arranged on the rack, each guide frame comprises four linear guide rails which are symmetrically arranged and vertically extend, and guide grooves matched with the linear guide rails are formed outside the vacuum boxes.

8. The dual vacuum box bubble breaker of claim 1, wherein: the vacuum box is constructed in a lower end opening structure, and a sealing ring is arranged at the lower end opening of the vacuum box.

9. The dual vacuum box bubble breaker of claim 1, wherein: elevating system is including the frequency conversion brake gear motor, first connecting rod and the second connecting rod that connect gradually, frequency conversion brake gear motor is fixed with the frame and is located the transfer chain below, the one end of first connecting rod with frequency conversion brake gear motor's output shaft is fixed, the other end with second connecting rod rotatable coupling, the other end of second connecting rod with a side rotatable coupling of vacuum box.

10. The dual vacuum box bubble breaker of any one of claims 1-9, wherein: the front end of upper end roller portion with frame rotatable coupling, upper end roller portion can be around its front end rotation from top to bottom in order to adjust roll the passageway.