CN114986950B

CN114986950B - Production process of polymer cushion core

Info

Publication number: CN114986950B
Application number: CN202210929515.4A
Authority: CN
Inventors: 王亮
Original assignee: Zibo Hengyuan Textile Co ltd
Current assignee: Zibo Hengyuan Textile Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-10-25
Anticipated expiration: 2042-08-04
Also published as: CN114986950A

Abstract

A production process of a high polymer cushion core belongs to the technical field of production process materials of cross-linked polyethylene elastic high polymer cushion cores. The preparation method comprises the following preparation steps: 1) Adding the raw materials into a stock bin, heating for plasticizing and uniformly stirring to form a melt; 2) Extruding a plurality of hollow material filaments from the melt prepared in the step 1) through a hollow filament extruder, and forming a curved, disordered and mutually cross-linked tubular net among the hollow material filaments; 3) The pipe network falls into a forming die to form a long blocky large cushion body; 4) Cooling and shaping the large cushion body in the forming die to form the shape of the inner die of the forming die, and demolding; 5) Dividing the large cushion body into finished cushion bodies by an automatic cutting machine; 6) And packaging the finished cushion bodies in batches by using an automatic packaging machine. Aiming at the links of cutting and packaging in the production process of the cushion core, the automatic production equipment is designed, the transfer connection between the cushion core and the automatic production equipment can be optimized, the production efficiency is improved, and the automatic production equipment is suitable for popularization in the industry.

Description

Production process of polymer cushion core

Technical Field

The invention discloses a production process of a high polymer cushion core, belonging to the technical field of production process materials of a crosslinked polyethylene elastic high polymer cushion core.

Background

The polymer cushion core in the prior art is mostly made of foamed plastic and polyurethane foam materials, the foamed plastic polymer cushion core is mostly a low-density plastic polymer cushion core made of single-layer high-foaming plastic or multiple single-layer high-foaming plastics in a composite mode, and due to the fact that the density of the foamed plastic polymer cushion core is low, the surface hardness is low, the physical rigidity is poor, and the defects of strong impact force and friction force cannot be resisted exist. The problems of poor compatibility and the addition of a cell opening agent of the polyurethane foam material can cause the problems of rough product surface, influence on the service life of the material, poor rebound effect and the like.

The production process of the foamed plastic and polyurethane foam polymer cushion core in the prior art is mainly prepared by an injection molding machine, and the production process of the polymer cushion core directly prepared by an injection molding method has the defects of poor bending performance and poor pressure-bearing performance of the product. The production process of the polyethylene elastic high-molecular cushion core can improve the structural strength of the product, but the production process of the traditional production process of the polyethylene elastic high-molecular cushion core needs glue spraying, strengthening and other processes, so that the content of Volatile Organic Compounds (VOCs) in the product of the production process of the high-molecular cushion core is increased.

In addition, in the prior art, the production process of the polymer mattress core formed by injection molding is mostly that the polymer mattress core is subjected to large-volume extrusion molding and then is divided into small-volume mattress or cushion products, and the prior dividing equipment has the problem of inconvenient use and size adjustment; the finished cushion core after being cut and formed needs to be centralized, fixed in number and wound with a film, so that the whole production flow can be completed.

Aiming at the cutting and packaging process, the prior art does not have corresponding full-automatic equipment, and the transfer connection between the two is difficult. In view of this, the applicant designs a production process of a polymer cushion core, which can solve the above technical problems, optimize the production process by using specially developed automatic production equipment, improve the production efficiency, and ensure the yield of the product.

Disclosure of Invention

In view of the above disadvantages in the prior art, the present invention provides a process for producing a polymer cushion core, which is characterized by comprising the following steps:

1) Adding the raw materials into a stock bin, heating for plasticizing and uniformly stirring to form a melt;

wherein, the raw materials comprise medium density polyethylene, polyolefin thermoplastic elastomer, linear low density polyethylene, ethylene copolymer, adhesive, bactericide, toughening agent and initiator; the weight portions of the medium density polyethylene, the polyolefin thermoplastic elastomer, the linear low density polyethylene, the ethylene copolymer, the binder, the bactericide, the toughening agent and the initiator are as follows:

30-55 parts of medium density polyethylene;

25-50 parts of polyolefin thermoplastic elastomer;

15-25 parts of linear low-density polyethylene;

5-8 parts of an ethylene copolymer;

5-8 parts of a binder;

2-5 parts of a bactericide;

0.5-3.0 parts of a toughening agent;

0.5-2.5 parts of an initiator;

2) Extruding a plurality of hollow material filaments from the melt prepared in the step 1) through a hollow filament extruder, and forming a curved, disordered and mutually cross-linked tubular net among the hollow material filaments;

3) The pipe network falls into a forming mould to form a long strip block-shaped pad body;

4) Cooling and shaping the large cushion body in the forming die to form the shape of the inner die of the forming die, and demolding;

5) Dividing the large cushion body into finished cushion bodies by an automatic cutting machine;

6) Packaging the finished cushion bodies in batches by an automatic packaging machine;

the ethylene copolymer is a methyl methacrylate-butadiene-styrene terpolymer.

Preferably, the binder is a fatty acid salt of aluminum, calcium, lithium, magnesium, titanium, zinc and zirconium; the toughening agent is one or more of alkyl triethoxysilane, methyltrimethoxysilane, triacetoxysilane and propyl triacetoxysilane.

Preferably, the bactericide is a mixture of tetrachlorodicyanobenzene, N- (trichloromethylthio) phthalimide and tetramethylthiuram disulfide.

Preferably, the initiator is one or a mixture of more of benzoyl perhydroxide, dicumyl peroxide and tert-butyl hydroperoxide.

Preferably, the automatic cutting machine comprises an automatic conveying mechanism and a laser cutting mechanism, the automatic conveying machine comprises a plate link chain conveying belt, the plate link chain conveying belt is annular and is sleeved on a driving conveying roller and a driven conveying roller, the driving conveying roller and the driven conveying roller are arranged on a conveying support, and the driving conveying roller is connected with a conveying driving motor through a transmission device;

a first guide slide rail and a second guide slide rail are respectively arranged on two sides of the conveying support, and are parallel to the conveying direction of the plate chain conveying belt; a first sliding block and a second sliding block are respectively sleeved on the first guide sliding rail and the second guide sliding rail, and the first sliding block and the second sliding block can respectively reciprocate along the first guide sliding rail and the second guide sliding rail; two ends of the guide sliding rod are respectively connected with the first sliding block and the second sliding block; erecting a laser head mounting slide rail above the conveying support, wherein the laser head mounting slide rail is not in contact with the automatic conveying mechanism; the laser head mounting slide rail and the conveying direction of the plate chain conveying belt are perpendicular to each other; the middle part of the laser head mounting slide rail is provided with a hinged driving shaft, one end of the hinged driving shaft is connected with a driving motor, the other end of the hinged driving shaft is connected with a tubular sliding sleeve, a laser head mounting rod is inserted in the tubular sliding sleeve in a sliding manner, the end part of the laser head mounting rod is hinged with a laser head mounting slide block, a sliding hole is formed in the laser head mounting slide block, and the laser head mounting slide block is sleeved on the guide slide rod through the sliding hole; a laser cutting head is arranged on one side of the laser head mounting slide block facing the plate chain conveying belt; a spring retaining ring is fixed on the laser head mounting rod close to one side of the laser head mounting sliding block, and a spring is sleeved on the laser head mounting rod between the spring retaining ring and the tubular sliding sleeve.

Preferably, a first front stop block and a first rear stop block are respectively sleeved on the first guide slide rail, and the first slide block is arranged between the first front stop block and the first rear stop block; a second front stop block and a second rear stop block are respectively sleeved on the second guide slide rail; the second sliding block is arranged between the first front stop block and the first rear stop block; and when the tightening bolt is screwed, the screwing-in end of the tightening bolt can tighten the first guide slide rail or the second guide slide rail.

Preferably, an automatic packaging machine is arranged at the rear end of the automatic cutting machine in a connecting manner; the automatic packaging machine comprises a material taking manipulator and a film coating device, wherein the film coating device comprises a film roll storage bin and a stacking bin, and a film roll which can rotate freely is fixed in the film roll storage bin through a film roll support; a material taking manipulator motion platform is arranged above the film roll storage bin, and a stacking bin with an opening at the upper end is arranged on one side of the film roll storage bin; the material taking manipulator comprises a walking bracket, and an electric walking wheel is arranged at the lower part of the walking bracket; a telescopic driving motor is arranged in the middle of the upper part of the walking bracket, and a driving gear is fixed on a motor shaft of the telescopic driving motor; a left sliding sleeve and a right sliding sleeve are respectively arranged on the left side and the right side of the upper part of the walking support, a moving rod is inserted in the left sliding sleeve and the right sliding sleeve, a driving rack is fixed on the lower bottom surface of the moving rod, and the driving rack is meshed with the driving gear; a bending rod is installed at the right end of the moving rod, which extends out of the right sliding sleeve, through a torsional spring hinged shaft, a left open end of a manipulator sleeve is installed outside the moving rod and the bending rod, and a reset tension spring is arranged between the bending rod and the manipulator sleeve; two electric clamping jaws capable of automatically opening and closing are installed at the right end of the mechanical arm sleeve; an induction probe is arranged between the two electric clamping jaws, and when one end of the cushion core is inserted between the two electric clamping jaws, the induction probe can sense and enable the two electric clamping jaws to be automatically closed; then, the telescopic driving motor drives the moving rod to move left through the driving gear, the other end of the cushion core is dragged to be separated from the plate chain conveying belt until the manipulator sleeve is blocked by the right sliding sleeve, the moving rod is completely separated from the left end of the manipulator sleeve, the bending rod overcomes the torsion force of a torsion spring hinged shaft and bends downwards, and the other end of the cushion core falls into the stacking bin and is vertically placed close to the left side of the stacking bin; at the moment, the two electric clamping jaws release the pad core, the telescopic driving motor drives the movable rod to move right through the driving gear, meanwhile, the torsional spring hinged shaft drives the bending rod to rotate upwards to the horizontal position, and the mechanical arm sleeve moves left under the tension of the tension spring to wrap all the bending rods and the right end of the movable rod again; after the stacking of one cushion core is finished, the electric travelling wheels drive the travelling support to move rightwards by the thickness of one cushion core.

Preferably, a film placing opening is formed in the left side of the film roll storage bin, a first film guide conveying belt which is vertically arranged is arranged between the film roll storage bin and the stacking bin, a second film guide conveying belt is transversely arranged at the lower part of the stacking bin, a front arc-shaped film guide sliding rail and a rear arc-shaped film guide sliding rail are respectively arranged on the front side wall and the rear side wall of the stacking bin between the upper end of the first film guide conveying belt and the right end of the second film guide conveying belt, a front electric roller and a rear electric roller are respectively arranged in the front arc-shaped film guide sliding rail and the rear arc-shaped film guide sliding rail, and a film guide clamping rod is arranged between the front electric roller and the rear electric roller; set up the tight pulley that rises in the inside upper right side in storehouse is stored to the membrane book, the one end winding of packaging film is on the membrane book, and the other end of packaging film passes and rises after the tight pulley that rises and enter into the sign indicating number feed bin after leading the first membrane conveyer belt of leading, and vertical downwardly extending lays the second from a left side to the right and leads the top of membrane conveyer belt, and back centre gripping sets up on leading the membrane clamping bar.

Preferably, a plate accommodating bin is arranged on the right side wall of the stacking bin, and a compacting plate is arranged in Rong Bancang; the side wall sets up preceding slide rail and preceding slide rail down respectively before sign indicating number feed bin, set up preceding slide rail and back slide rail down respectively on the side wall behind the sign indicating number feed bin, the front side upper portion and the front side lower part of jam plate set up preceding electronic gyro wheel and preceding electronic gyro wheel down respectively, the rear side upper portion and the rear side lower part of jam plate set up respectively after go up electronic gyro wheel and back electronic gyro wheel down, preceding electronic gyro wheel and preceding electronic gyro wheel down set up respectively in preceding slide rail and preceding slide rail down, after go up electronic gyro wheel and back electronic gyro wheel down set up respectively in preceding slide rail and back slide rail down.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

(1) Aiming at the links of cutting and packaging in the production process of the cushion core, the automatic production equipment is designed, the transfer connection between the cushion core and the automatic production equipment can be optimized, the production efficiency is improved, and the automatic production equipment is suitable for popularization in the industry.

(2) The production process of the polymer cushion core is simple, the production process is pollution-free, and the polymer cushion core is suitable for large-scale automatic production and is beneficial to promoting industrialization.

(3) The production process of the high polymer cushion core is prepared by injection molding of medium-density polyethylene, polyolefin thermoplastic elastomer, linear low-density polyethylene, ethylene copolymer, binder, bactericide, toughening agent and initiator, has excellent mechanical property and weather resistance, and improves the structural strength of the production process of the high polymer cushion core. The production process of the high polymer cushion core is formed by crosslinking a crosslinked polyethylene elastic tubular net structure with a cavity structure in disordered arrangement, does not need glue spraying for reinforcement, and does not cause damage to human bodies.

(4) This automatic cutout machine can adjust the width that the shaping filled up the body by the interval of automatically regulated first direction slide rail and second direction slide rail, adjust the width that the shaping filled up the body through the interval of adjusting first preceding, backstop and second preceding, backstop, need not to be equipped with many laser cutting tool like traditional cutting equipment, or design complicated filling up body steering apparatus, it is nimble more convenient to use, area is little, and machining efficiency is high.

(5) The automatic packaging machine can play the roles of carrying the automatic cutting machine, neatly stacking the cushion bodies and enveloping, and can achieve the purposes of bundling the cushion bodies and facilitating loading and conveying. The automatic packaging machine can reduce labor intensity and improve operation efficiency.

Drawings

FIG. 1 is a schematic structural view of an automatic cutting machine;

FIG. 2 is a schematic structural view of a material extracting robot;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

fig. 4 is one of the structural schematic diagrams of the automatic packaging machine (stacking state);

FIG. 5 is a second schematic view (enveloping state) of the automatic packaging machine;

FIG. 6 is a third schematic view (in a tight-pressed state) of the automatic packaging machine;

in the figure: 1. a cushion body is finished; 2. a plate chain conveyor belt; 3. a first guide rail; 4. a first front stopper; 5. a laser head mounting rod; 6. a tubular sliding sleeve; 7. the laser head is provided with a slide rail; 8. a spring; 9. a first slider; 10. a first rear stopper; 11. a large pad body; 12. a guide slide bar; 13. a laser cutting head; 14. a second rear stopper; 15. a second slider; 16. a spring retainer ring; 17. a second guide slide rail; 18. a second front stop; 19. an electric claw; 20. a tension spring; 21. a bending rod; 22. a manipulator sleeve; 23. a right sliding sleeve; 24. a travel bar; 25. a drive gear; 26. a telescopic driving motor; 27. a left sliding sleeve; 28. a walking bracket; 29. electric walking wheels; 30. a material taking manipulator; 31. a film roll storage bin; 32. a film placing opening; 33. rolling the film; 34. a film roll holder; 35. a tension wheel; 36. a first film guide conveyor belt; 37. a second film guide conveyor belt; 38. a rear lower slide rail; 39. a rear electric roller; 40. then, the electric roller is arranged; 41. a material taking manipulator motion platform; 42. rong Bancang; 43. then the electric roller is arranged; 44. tightly pressing the plate; 45. a rear upper slide rail; 46. stacking a storage bin; 47. a rear arc-shaped film guide slide rail; 48. a laser head is provided with a slide block; 49. a torsional spring is hinged; 50. a film guide clamping rod; 51. the motor is driven.

Detailed Description

As shown in fig. 1-6, the present invention provides that the raw materials include medium density polyethylene, polyolefin thermoplastic elastomer, linear low density polyethylene, ethylene copolymer, binder, bactericide, toughening agent and initiator; the weight portions of the medium density polyethylene, the polyolefin thermoplastic elastomer, the linear low density polyethylene, the ethylene copolymer, the binder, the bactericide, the toughening agent and the initiator are as follows:

30-55 parts of medium-density polyethylene;

25-50 parts of polyolefin thermoplastic elastomer;

15-25 parts of linear low-density polyethylene;

5-8 parts of an ethylene copolymer;

5-8 parts of a binder;

2-5 parts of a bactericide;

0.5-3.0 parts of a toughening agent;

0.5-2.5 parts of an initiator;

3) The pipe network falls into a forming mould to form a long strip block-shaped cushion body 11;

4) Cooling and shaping the large cushion body 11 in the forming die to form the shape of the inner die of the forming die, and demoulding;

5) Dividing the massive cushion body 11 into finished cushion bodies 1 by an automatic cutting machine;

6) Packaging the finished cushion bodies 1 in batches by an automatic packaging machine;

the ethylene copolymer is a methyl methacrylate-butadiene-styrene terpolymer.

The binder is fatty acid salt of aluminum, calcium, lithium, magnesium, titanium, zinc and zirconium; the toughening agent is one or more of alkyl triethoxysilane, methyltrimethoxysilane, triacetoxysilane and propyl triacetoxysilane.

The bactericide is a mixture of tetrachlorobenzene dinitrile, N- (trichloromethyl thio) phthalimide and tetramethyl thiuram disulfide.

The initiator is one or a mixture of more of benzoyl peroxide, dicumyl peroxide and tert-butyl hydroperoxide.

Specific proportioning examples are shown in the following table:

composition (I)	Example one	Example two	EXAMPLE III
				Medium density polyethylene	30 portions of	45 portions of	55 portions of
Polyolefin thermoplastic elastomer	25 portions of	35 portions of	50 portions of
				Linear low density polyethylene	15 portions of	21 portions of	25 portions of
Ethylene copolymers	5 portions of	6 portions of	8 portions of
				Binder	5 parts of a mixture;	6.5 parts;	8 parts of a mixture;
bactericide	2 parts of (1);	3.5 parts;	5 parts of a mixture;
				toughening agent	0.5 part of	2 portions of	3 portions of
Initiator	0.5 portion	1.8 parts of	2.5 parts of

Automatic cutout machine includes automatic conveying mechanism and laser cutting mechanism, and automatic conveying machine includes plate link chain conveyer belt 2, and plate link chain conveyer belt 2 is annular and the suit is on initiative conveying roller and passive conveying roller, and initiative conveying roller and passive conveying roller are installed on transfer gantry, and the initiative conveying roller passes through transmission and connects transport driving motor 51.

A first guide slide rail 3 and a second guide slide rail 17 are respectively arranged on two sides of the conveying support, and the first guide slide rail 3 and the second guide slide rail 17 are parallel to the conveying direction of the plate chain conveying belt 2; a first slide block 9 and a second slide block 15 are respectively sleeved on the first guide slide rail 3 and the second guide slide rail 17, and the first slide block 9 and the second slide block 15 can respectively reciprocate along the first guide slide rail 3 and the second guide slide rail 17; the two ends of the guide slide rod 12 are respectively connected with the first slide block 9 and the second slide block 15; erecting a laser head installation slide rail 7 above the conveying support, wherein the laser head installation slide rail 7 is not contacted with the automatic conveying mechanism; the laser head mounting slide rail 7 is perpendicular to the conveying direction of the plate chain conveying belt 2; a hinged driving shaft is arranged in the middle of the laser head mounting slide rail 7, one end of the hinged driving shaft is connected with a driving motor 51, the other end of the hinged driving shaft is connected with a tubular sliding sleeve 6, a laser head mounting rod 5 is inserted in the tubular sliding sleeve 6 in a sliding mode, the end portion of the laser head mounting rod 5 is hinged with a laser head mounting slide block 48, a sliding hole is formed in the laser head mounting slide block 48, and the laser head mounting slide block 48 is sleeved on the guide slide rod 12 through the sliding hole; a laser cutting head 13 is arranged on one side of the laser head installation slide block 48 facing the plate chain conveying belt 2; a spring retaining ring 16 is fixed on the laser head mounting rod 5 at one side close to the laser head mounting slide block 48, and a spring 8 is sleeved on the laser head mounting rod 5 between the spring retaining ring 16 and the tubular sliding sleeve 6.

A first front stop block 4 and a first rear stop block 10 are respectively sleeved on the first guide slide rail 3, and a first slide block 9 is arranged between the first front stop block 4 and the first rear stop block 10; a second front stop block 18 and a second rear stop block 14 are respectively sleeved on the second guide slide rail 17; the second slider 15 is arranged between the first front stop 4 and the first rear stop 10; and positioning bolt holes are respectively formed in the first front stop block 4, the first rear stop block 10, the second front stop block 18 and the second rear stop block 14, a tightening bolt is rotated in the positioning bolt holes, and when the tightening bolt is tightened, the screwing-in end of the tightening bolt can tighten the first guide slide rail 3 or the second guide slide rail 17.

The specific working process of the automatic cutting machine is as follows:

first, a large pad 11 is placed on the plate link conveyor 2 and conveyed by the plate link conveyor 2 toward the laser cutting mechanism. Before laser cutting, firstly, the distance a1 between the first front stop 4 and the first rear stop 10 on the first guide slide rail 3 and the distance a2 between the second front stop 18 and the second rear stop 14 on the second guide slide rail 17 are adjusted, wherein a1 and a2 are equal and are exactly equal to the length of the finished cushion body 1. Then, the driving motor 51 is started, and the driving motor 51 drives the tubular sliding sleeve 6 and the laser head mounting rod 5 to synchronously rotate through the hinged driving shaft. When the laser head installation sliding block 48 is positioned in the middle of the guide sliding rod 12, the laser head is cutting the wide edge of the forming cushion body, along with the continuous rotation of the laser head installation rod 5, the laser head installation sliding block 48 drives the laser head to move backwards along the guide sliding rod 12 until the laser head installation sliding block 48 is contacted with the first sliding block 9, at the moment, the laser head installation sliding block 48 does not move along the guide sliding rod 12 any more, but drives the guide sliding rod 12 to move leftwards along the first guide sliding rail 3 and the second guide sliding rail 17, and at the moment, the laser head cuts the long edge of one side of the forming cushion body; when the first sliding block 9 is contacted with the first front stop block 4, the cutting of the long side of the side is finished, the guide sliding rod 12 is positioned at the leftmost side, and the laser head mounting sliding block 48 and the laser head move forwards along the guide sliding rod 12 to cut the wide side of the formed cushion body at the other side; the cutting of the other side broadside is completed until the laser head mounting slide block 48 is contacted with the first rear stop block 10; then, along with the rotation of the laser head mounting rod 5, the cutting of the long edge on the left side and the wide edge at the initial position is gradually completed, and the automatic cutting operation can be completed.

This patent automatic cutout machine can adjust the width that the shaping fills up the body by the interval of automatically regulated first direction slide rail 3 and second direction slide rail 17, adjust the length that the shaping fills up the body through the interval of adjusting first positive stop 4, first backstop 10 and second positive stop 18, second backstop 14, need not to be equipped with many laser cutting tool like traditional cutting equipment, or design complicated pad body steering equipment, it is more convenient to use in a flexible way, small floor area, and machining efficiency is high.

An automatic packaging machine is arranged at the rear end of the automatic cutting machine in a connecting mode; the automatic packaging machine comprises a material taking manipulator 30 and a film coating device, the film coating device comprises a film roll storage bin 31 and a stacking bin 46, and a film roll 33 which can rotate freely is fixed in the film roll storage bin 31 through a film roll support 34; a material taking manipulator motion platform 41 is arranged above the film roll storage bin 31, and a stacking bin with an opening at the upper end is arranged on one side of the film roll storage bin 31; the material taking manipulator 30 comprises a walking bracket 28, and an electric walking wheel 29 is arranged at the lower part of the walking bracket 28; a telescopic driving motor 26 is arranged in the middle of the upper part of the walking bracket 28, and a driving gear 25 is fixed on a motor shaft of the telescopic driving motor 26; a left sliding sleeve 27 and a right sliding sleeve 23 are respectively arranged at the left side and the right side of the upper part of the walking bracket 28, a moving rod 24 is inserted in the left sliding sleeve 27 and the right sliding sleeve 23, a driving rack is fixed on the lower bottom surface of the moving rod 24, and the driving rack is meshed with the driving gear 25; a bending rod 21 is arranged at the right end of the moving rod 24 extending out of the right sliding sleeve 23 through a torsional spring hinged shaft 49, the left open end of the manipulator sleeve 22 is sleeved outside the moving rod 24 and the bending rod 21, and a reset tension spring 20 is arranged between the bending rod 21 and the manipulator sleeve 22; two electric clamping jaws 19 capable of automatically opening and closing are arranged at the right end of the manipulator sleeve 22; an induction probe is arranged between the two electric clamping jaws 19, and when one end of the cushion core is inserted between the two electric clamping jaws 19, the induction probe can sense and enable the two electric clamping jaws 19 to be automatically closed; then, the telescopic driving motor 26 drives the moving rod 24 to move left through the driving gear 25, drags the other end of the cushion core to be separated from the plate chain conveying belt 2 until the manipulator sleeve 22 is blocked by the right sliding sleeve 23, the moving rod 24 is completely separated from the left end of the manipulator sleeve 22, and the bending rod 21 overcomes the torsion force of the torsion spring hinge shaft 49 to bend downwards, so that the other end of the cushion core falls into the stacking bin and is vertically placed close to the left side of the stacking bin; at the moment, the two electric clamping jaws 19 release the pad core, the telescopic driving motor 26 drives the moving rod 24 to move right through the driving gear 25, meanwhile, the torsional spring hinge shaft 49 drives the bending rod 21 to rotate upwards to the horizontal position, the manipulator sleeve 22 moves left under the tension of the tension spring 20, and all the bending rods 21 and the right end of the moving rod 24 are wrapped again; after the next stacking of one cushion core is finished, the electric travelling wheels 29 drive the travelling support 28 to move rightwards by the thickness of one cushion core.

A film placing opening 32 is formed in the left side of the film roll storage bin 31, a first film guide conveying belt 36 which is vertically arranged is arranged between the film roll storage bin 31 and the stacking bin 46, a second film guide conveying belt 37 is transversely arranged at the lower part of the stacking bin 46, a front arc-shaped film guide sliding rail and a rear arc-shaped film guide sliding rail 47 are respectively arranged on the front side wall and the rear side wall of the stacking bin 46 between the upper end of the first film guide conveying belt 36 and the right end of the second film guide conveying belt 37, a front electric roller and a rear electric roller 39 are respectively arranged in the front arc-shaped film guide sliding rail and the rear arc-shaped film guide sliding rail 47, and a film guide clamping rod 50 is arranged between the front electric roller and the rear electric roller 39; set up tight pulley 35 in the inside upper right side of membrane book storage 31, the one end winding of packaging film is on membrane book 33, and the other end of packaging film passes tight pulley 35 and then upwards turns over first guide film conveyer belt 36 and enters into sign indicating number feed bin 46 in, vertical downwardly extending lays the top of second guide film conveyer belt 37 from a left side to the right side, and the back centre gripping sets up on leading the membrane clamping bar 50.

The right side wall of the stacking bin 46 is provided with a plate containing bin 42, and a compacting plate 44 is arranged in the Rong Bancang; set up preceding slide rail and preceding slide rail down on sign indicating number feed bin 46 preceding lateral wall respectively, set up back slide rail 45 and back slide rail 38 down on the lateral wall of sign indicating number feed bin 46 back respectively, the front side upper portion and the front side lower part of packing plate 44 set up preceding last electric gyro wheel and preceding lower electric gyro wheel respectively, back upper portion and the rear side lower part of packing plate 44 set up back upper electric gyro wheel 43 and back lower electric gyro wheel 40 respectively, preceding upper electric gyro wheel and preceding lower electric gyro wheel set up respectively in preceding slide rail and preceding slide rail down, back upper electric gyro wheel 43 and back lower electric gyro wheel 40 set up respectively in back upper slide rail 45 and back slide rail 38 down.

The working process of the automatic packaging machine is as follows:

firstly, the plate link chain conveyer belt 2 conveys the formed cushion core to the left end until one end of the formed cushion core is inserted between the two electric clamping jaws 19 of the material taking manipulator 30, and the induction probe can sense and automatically close the two electric clamping jaws 19; then, the telescopic driving motor 26 drives the moving rod 24 to move left through the driving gear 25, drags the other end of the cushion core to be separated from the plate chain conveying belt 2 until the manipulator sleeve 22 is blocked by the right sliding sleeve 23, the moving rod 24 is completely separated from the left end of the manipulator sleeve 22, and the bending rod 21 overcomes the torsion force of the torsion spring hinge shaft 49 to bend downwards, so that the other end of the cushion core falls into the stacking bin and is vertically placed close to the left side of the stacking bin; at the moment, the two electric clamping jaws 19 release the pad core, the telescopic driving motor 26 drives the moving rod 24 to move right through the driving gear 25, meanwhile, the torsional spring hinge shaft 49 drives the bending rod 21 to rotate upwards to the horizontal position, the manipulator sleeve 22 moves left under the tension of the tension spring 20, and all the bending rods 21 and the right end of the moving rod 24 are wrapped again; after the next stacking of one cushion core is finished, the electric travelling wheels 29 drive the travelling support 28 to move rightwards by the thickness of one cushion core.

One end of the packaging film is wound on the film roll 33, the other end of the packaging film passes through the tension wheel 35 and then upwards turns over the first film guide conveying belt 36 to enter the stacking bin 46, vertically and downwards extends, the packaging film is laid above the second film guide conveying belt 37 from left to right, and the rear clamping is arranged on the film guide clamping rod 50. After a specified number of forming cushion bodies are vertically stacked in the stacking bin 46, the front electric roller and the rear electric roller 39 drive the film guide clamping rod 50 to move from the lower right to the upper left along the front arc-shaped film guide sliding rail and the rear arc-shaped film guide sliding rail 47, and drive the packaging films to coat the right sides and the upper sides of the cushion body groups, the packaging films on the film guide clamping rod 50 are manually cut off, the packaging films at the cut-off parts are mutually bonded with the packaging films at the upper ends of the first film guide conveying belts 36 (the packaging films are self-bonding type packaging films), then the packaging films above the first film guide conveying belts 36 are cut off, the coating operation on the forming cushion bodies can be completed, and the coated cushion body groups can be taken out from the stacking bin 46 by using a clamping and hoisting device. The coating operation of the type aims to play the roles of binding the pad body and facilitating loading and conveying.

It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Claims

1. The production process of the polymer cushion core is characterized by comprising the following preparation steps:

30-55 parts of medium-density polyethylene;

25-50 parts of polyolefin thermoplastic elastomer;

15-25 parts of linear low-density polyethylene;

5-8 parts of an ethylene copolymer;

5-8 parts of a binder;

2-5 parts of a bactericide;

0.5-3.0 parts of a toughening agent;

0.5-2.5 parts of an initiator;

3) The pipe network falls into a forming die to form a long-strip massive cushion body (11);

4) Cooling and shaping the large cushion body (11) in the forming die to form the shape of the inner die of the forming die, and demolding;

5) Dividing the massive cushion body (11) into finished cushion bodies (1) by an automatic cutting machine;

6) Packaging the finished cushion bodies (1) in batches by an automatic packaging machine;

the ethylene copolymer is a methyl methacrylate-butadiene-styrene terpolymer;

the automatic cutting machine comprises an automatic conveying mechanism and a laser cutting mechanism, the automatic conveying machine comprises a plate chain conveying belt (2), the plate chain conveying belt (2) is annular and is sleeved on a driving conveying roller and a driven conveying roller, the driving conveying roller and the driven conveying roller are arranged on a conveying support, and the driving conveying roller is connected with a conveying driving motor (51) through a transmission device;

a first guide slide rail (3) and a second guide slide rail (17) are respectively arranged on two sides of the conveying support, and the first guide slide rail (3) and the second guide slide rail (17) are parallel to the conveying direction of the plate chain conveying belt (2); a first sliding block (9) and a second sliding block (15) are respectively sleeved on the first guide sliding rail (3) and the second guide sliding rail (17), and the first sliding block (9) and the second sliding block (15) can respectively reciprocate along the first guide sliding rail (3) and the second guide sliding rail (17); two ends of the guide sliding rod (12) are respectively connected with the first sliding block (9) and the second sliding block (15); a laser head mounting slide rail (7) is erected above the conveying support, and the laser head mounting slide rail (7) is not contacted with the automatic conveying mechanism; the laser head mounting slide rail (7) and the conveying direction of the plate chain conveying belt (2) are perpendicular to each other; a hinged driving shaft is arranged in the middle of a laser head mounting sliding rail (7), one end of the hinged driving shaft is connected with a driving motor (51), the other end of the hinged driving shaft is connected with a tubular sliding sleeve (6), a laser head mounting rod (5) is slidably inserted in the tubular sliding sleeve (6), the end part of the laser head mounting rod (5) is hinged with a laser head mounting sliding block (48), a sliding hole is formed in the laser head mounting sliding block (48), and the laser head mounting sliding block (48) is sleeved on a guide sliding rod (12) through the sliding hole; a laser cutting head (13) is arranged on one side, facing the plate chain conveying belt (2), of the laser head mounting slide block (48); a spring stop ring (16) is fixed on the laser head mounting rod (5) close to one side of the laser head mounting sliding block (48), and a spring (8) is sleeved on the laser head mounting rod (5) between the spring stop ring (16) and the tubular sliding sleeve (6).

2. The process of claim 1, wherein the step of forming the polymeric core comprises: the binder is fatty acid salt of aluminum, calcium, lithium, magnesium, titanium, zinc and zirconium; the toughening agent is one or more of alkyl triethoxysilane, methyltrimethoxysilane, triacetoxysilane and propyl triacetoxysilane.

3. The process for producing a polymeric cushion core according to claim 1, wherein: the bactericide is a mixture of tetrachlorobenzene dinitrile, N- (trichloromethyl thio) phthalimide and tetramethyl thiuram disulfide.

4. The process for producing a polymeric cushion core according to claim 1, wherein: the initiator is one or a mixture of more of benzoyl perhydroxide, dicumyl peroxide and tert-butyl hydroperoxide.

5. The process for producing a polymeric cushion core according to claim 1, wherein: a first front stop block (4) and a first rear stop block (10) are respectively sleeved on the first guide slide rail (3), and a first sliding block (9) is arranged between the first front stop block (4) and the first rear stop block (10); a second front stop block (18) and a second rear stop block (14) are respectively sleeved on the second guide slide rail (17); the second sliding block (15) is arranged between the first front stop block (4) and the first rear stop block (10); and positioning bolt holes are respectively formed in the first front stop block (4), the first rear stop block (10), the second front stop block (18) and the second rear stop block (14), a tightening bolt is rotated in the positioning bolt holes, and when the tightening bolt is tightened, the screwing-in end of the tightening bolt can tighten the first guide slide rail (3) or the second guide slide rail (17).

6. The process of claim 5, wherein the step of forming the polymeric cushion core comprises: an automatic packaging machine is arranged at the rear end of the automatic cutting machine in a connecting mode; the automatic packaging machine comprises a material taking manipulator (30) and a film packaging device, the film packaging device comprises a film roll storage bin (31) and a stacking bin (46), and a film roll (33) capable of rotating freely is fixed in the film roll storage bin (31) through a film roll support (34); a material taking manipulator motion platform (41) is arranged above the film roll storage bin (31), and a stacking bin with an opening at the upper end is arranged on one side of the film roll storage bin (31); the material taking manipulator (30) comprises a walking bracket (28), and an electric walking wheel (29) is installed at the lower part of the walking bracket (28); a telescopic driving motor (26) is arranged in the middle of the upper part of the walking bracket (28), and a driving gear (25) is fixed on a motor shaft of the telescopic driving motor (26); a left sliding sleeve (27) and a right sliding sleeve (23) are respectively arranged on the left side and the right side of the upper part of the walking support (28), a moving rod (24) is inserted in the left sliding sleeve (27) and the right sliding sleeve (23), a driving rack is fixed on the lower bottom surface of the moving rod (24), and the driving rack is meshed with a driving gear (25); a bending rod (21) is installed at the right end of the moving rod (24) extending out of the right sliding sleeve (23) through a torsional spring hinged shaft (49), the left open end of a manipulator sleeve (22) is installed outside the moving rod (24) and the bending rod (21), and a reset tension spring (20) is arranged between the bending rod (21) and the manipulator sleeve (22); two electric clamping jaws (19) capable of being automatically opened and closed are installed at the right end of the manipulator sleeve (22); an induction probe is arranged between the two electric clamping jaws (19), and when one end of the cushion core is inserted between the two electric clamping jaws (19), the induction probe can induce and automatically close the two electric clamping jaws (19); then, a telescopic driving motor (26) drives a moving rod (24) to move left through a driving gear (25), the other end of the cushion core is dragged to be separated from the plate chain conveying belt (2) until a mechanical arm sleeve (22) is blocked by a right sliding sleeve (23), the moving rod (24) is completely separated from the left end of the mechanical arm sleeve (22), and a bending rod (21) overcomes the torsion force of a torsion spring hinged shaft (49) to bend downwards, so that the other end of the cushion core falls into a stacking bin and is vertically placed close to the left side of the stacking bin; at the moment, the two electric clamping jaws (19) release the cushion core, the telescopic driving motor (26) drives the moving rod (24) to move right through the driving gear (25), meanwhile, the torsion spring hinge shaft (49) drives the bending rod (21) to rotate upwards to the horizontal position, the manipulator sleeve (22) moves left under the tension of the tension spring (20), and all the bending rods (21) and the right end of the moving rod (24) are wrapped again; after the next stacking of one cushion core is finished, the electric travelling wheels (29) drive the travelling support (28) to move rightwards by the thickness of one cushion core.

7. The process of claim 6, wherein the step of forming the polymeric cushion core comprises: a film placing opening (32) is formed in the left side of a film roll storage bin (31), a first film guiding conveying belt (36) which is vertically arranged is arranged between the film roll storage bin (31) and a stacking bin (46), a second film guiding conveying belt (37) is transversely arranged at the lower part of the stacking bin (46), a front arc-shaped film guiding sliding rail and a rear arc-shaped film guiding sliding rail (47) are respectively arranged on the front side wall and the rear side wall of the stacking bin (46) between the upper end of the first film guiding conveying belt (36) and the right end of the second film guiding conveying belt (37), a front electric roller and a rear electric roller (39) are respectively arranged in the front arc-shaped film guiding sliding rail and the rear arc-shaped film guiding sliding rail (47), and a film guiding clamping rod (50) is arranged between the front electric roller and the rear electric roller (39); set up tight pulley (35) in the inside upper right side of membrane book storage storehouse (31), the one end winding of packaging film is on membrane book (33), and the other end of packaging film passes tight pulley (35) and then upwards turns over first guide film conveyer belt (36) and enters into sign indicating number feed bin (46) in, vertical downwardly extending lays the second from a left side to a right side and leads the top of film conveyer belt (37), and the back centre gripping sets up on leading membrane clamping bar (50).

8. The process of claim 7, wherein the step of forming the polymeric cushion core comprises: a board containing bin (42) is arranged on the right side wall of the stacking bin (46), and a squeezing plate (44) is arranged in Rong Bancang (42); the stacking device is characterized in that a front upper sliding rail and a front lower sliding rail are respectively arranged on the front side wall of a stacking bin (46), a rear upper sliding rail (45) and a rear lower sliding rail (38) are respectively arranged on the rear side wall of the stacking bin (46), a front upper electric roller and a front lower electric roller are respectively arranged on the front upper portion and the front lower portion of a compacting plate (44), a rear upper electric roller (43) and a rear lower electric roller (40) are respectively arranged on the rear upper portion and the rear lower portion of the compacting plate (44), the front upper electric roller and the front lower electric roller are respectively arranged in the front upper sliding rail and the front lower sliding rail, and the rear upper electric roller (43) and the rear lower electric roller (40) are respectively arranged in the rear upper sliding rail (45) and the rear lower sliding rail (38).