CN115366279A

CN115366279A - Preparation device and preparation method of micro-foaming polyurethane rubber track

Info

Publication number: CN115366279A
Application number: CN202211007453.8A
Authority: CN
Inventors: 罗晓燕
Original assignee: Nantong Yangzi Rubber & Plastic Co ltd
Current assignee: Nantong Yangzi Rubber & Plastic Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2022-11-22

Abstract

The invention discloses a preparation device of a micro-foaming polyurethane rubber track, which comprises a bottom plate, wherein a crushing cylinder is embedded in the center of the top of the bottom plate, and a top plate is sleeved on the outer surface of the crushing cylinder; the bottom of the top plate is provided with a hydraulic telescopic rod, the top of the bottom plate is provided with a connecting hole in a penetrating manner, the output end of the hydraulic telescopic rod is positioned on the inner side of the connecting hole, the output end of the hydraulic telescopic rod is provided with a connecting ring, the connecting ring is positioned below the bottom plate, and the inner diameter of the connecting ring is larger than the diameter of the stirring cylinder; the inner surface of the connecting ring is provided with a charging barrel, and the bottom of the bottom plate is provided with support columns which are uniformly distributed. According to the invention, the hydraulic telescopic rod is started through the bottom plate, the crushing barrel, the hydraulic telescopic rod, the support column, the connecting ring and the charging barrel, so that the charging barrel can be driven to move up and down under the action of the connecting ring, the material in the charging barrel can be vibrated to be crushed, and the secondary crushing of the raw material with a larger diameter is facilitated.

Description

Preparation device and preparation method of micro-foaming polyurethane rubber track

Technical Field

The invention relates to the technical field of rubber track production, in particular to a preparation device and a preparation method of a micro-foaming polyurethane rubber track.

Background

Most of plastic runways can be divided into full-plastic type plastic runways, mixed type plastic runways and breathable type plastic runways, wherein the micro-foamed polyurethane rubber runways have the advantages of low cost, good water seepage performance and the like, when the micro-foamed polyurethane rubber runways are prepared, waste tires are mostly crushed and then vulcanized, then rubber particles are prepared, and finally the rubber particles are mixed and stirred with EPDM rubber particles, polyurethane rubber particles, mixed polyether, waste tire rubber particles, vulcanizing agents, antioxidant and anticorrosive components, flame retardants, plasticizers, foaming agents and adhesives until polyurethane rubber mixture is obtained, but the crushed waste tire powder is inconvenient to screen in the preparation process of the existing micro-foamed polyurethane rubber runways, and certain defects exist.

The existing rubber track preparation device has the following defects:

1. patent document CN211886389U discloses each component mixing arrangement for plastic course preparation, including feed cylinder, intercommunication set up discharging pipe, fixed mounting at feed cylinder one side top and middle part that the valve set up in feed cylinder one side bottom, fixed mounting at the actuating mechanism at feed cylinder one side top, fixed connection at the inside fixed plate of feed cylinder and fixed connection at the first support and the second support of feed cylinder inner chamber bottom, the middle part of fixed plate rotate be connected with actuating mechanism between carry out the first fixed cover that the transmission is connected. The component mixing device for preparing the plastic track is used by matching the first gear with the second gear, so that the device can drive the first stirring mechanism and the second stirring mechanism to rotate reversely under the drive of the same drive source motor, and simultaneously bidirectionally stir the base rubber and the surface rubber raw materials through the first stirring rod and the second stirring rod, the stirring and mixing efficiency of the device is accelerated, and the working efficiency of the device is improved;

2. patent document CN110055857A discloses a novel method for preparing an environment-friendly plastic runway, which comprises: s101: laying a base layer; s102: ground renovation; s103: coating waterproof primer; s104: laying a base material; s105: surface particle spraying: adding polytetrafluoroethylene, EPDM rubber particles, a cross-linking agent and a coupling agent into a reaction kettle in proportion, then stirring and heating the mixture to 150-170 ℃ through the reaction kettle, uniformly mixing the polytetrafluoroethylene, the EPDM rubber particles, the cross-linking agent and the coupling agent together, then pouring the mixed polytetrafluoroethylene, EPDM rubber particles, the cross-linking agent and the coupling agent into a special spraying machine, and uniformly spraying the mixture on the surface of a base material through the spraying machine; according to the invention, the polytetrafluoroethylene is added to prevent the plastic runway from deforming, so that the pressed part of the plastic surface layer is prevented from sinking, the normal use of the plastic runway is ensured, the service life of the plastic runway is prolonged, and the plastic runway is harmless to the environment to human bodies, but the rubber runway preparation device in the publication mainly considers how to prolong the service life of the plastic runway, does not consider the problem that the existing preparation device for the rubber runway is inconvenient to assemble, and has poor flexibility;

3. patent document CN214598662U, a plastic course material preparation facilities, including the box to and set up the closing cap at box opening side, one side that the closing cap was kept away from to the box is provided with wabbler mechanism, the inside rabbling mechanism that is provided with of closing cap is provided with operating mechanism between closing cap and the box, and wabbler mechanism includes first drive component, first drive component's output fixedly connected with connecting plate, one side fixedly connected with rocker that first drive component was kept away from to the connecting plate, the rocker is close to the skew center of rotation of first drive component of one end of connecting plate, and the rocker other end inclines to the center of rotation of first drive component. The rubber runway preparation device in the publication mainly considers how to improve the mixing quality of the plastic materials, does not consider that the existing preparation device for the rubber runway does not have a protection structure, and is easy to cause the situation of outward splashing of materials when crushing waste tires;

4. patent document CN209082294U discloses a bent silk lawn plastic course, belongs to polyurethane plastic course preparation technical field, has solved the problem that current plastic course ubiquitous is wear-resisting, ageing resistance is poor, and its technical essential is: the artificial curved filament grass is paved on the base layer, the elastic layer is poured on the artificial curved filament grass, the surface layer is formed on the elastic layer, the artificial curved filament grass is added into a plastic track system, a porous structure of the artificial curved filament grass can better permeate through the plastic track material, the quality problems such as separation and the like caused by bonding force are greatly reduced, the antiskid performance, the shock absorption performance and the buffering performance are better, the use experience of a sports field is improved, the wear-resisting and aging-resisting performance is improved, the service time is prolonged, the using amount of the track material is reduced, the cost is reduced, but the rubber track preparation device in the publication mainly considers how to improve the performance of the track, the existing rubber track is not considered in the preparation process, the mechanical limitation of a screening material device is avoided, the stability is poor, and the screening efficiency is influenced.

Disclosure of Invention

The invention aims to provide a device and a method for preparing a micro-foaming polyurethane rubber track, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a device for preparing a micro-foaming polyurethane rubber track comprises a bottom plate, wherein a stirring cylinder is embedded and installed at the center of the top of the bottom plate, and a top plate is sleeved and installed on the outer surface of the stirring cylinder;

the bottom of the top plate is provided with a hydraulic telescopic rod, the hydraulic telescopic rod is located on one side of the stirring cylinder, the top of the bottom plate is provided with a connecting hole in a penetrating mode, the connecting hole is located on one side of the stirring cylinder, the output end of the hydraulic telescopic rod is located on the inner side of the connecting hole, the output end of the hydraulic telescopic rod is provided with a connecting ring, the connecting ring is located below the bottom plate, and the inner diameter of the connecting ring is larger than the diameter of the stirring cylinder;

the inner surface of the connecting ring is provided with a charging barrel, and the bottom of the bottom plate is provided with support columns which are uniformly distributed.

Preferably, the inner surface of the charging barrel is provided with an upper baffle and a lower baffle which are arranged up and down, the upper baffle and the lower baffle are distributed at intervals, the outer surface of the charging barrel is provided with a first notch which is arranged up and down in a penetrating mode, a storage net frame is slidably arranged inside the first notch, the outer surface of the storage net frame is provided with a first pull ring, and the aperture of the storage net frame above the first pull ring is larger than that of the storage net frame below the first pull ring.

Preferably, the top of roof is run through and is provided with notch two, the connecting plate of arranging around the bottom of roof is installed, and two sets of connecting plates all are located the opposite side of stirring a garrulous section of thick bamboo, the spool is installed through the axle piece in the front of rear connecting plate, the runner is installed in the front that the place ahead connecting plate was run through in the front of spool, and the runner is "L" font, the sticky face is installed at the top of roof, the surface winding of spool installs the fender cover, the internally mounted that notch two was passed to the one end of fender cover has the connecting block, pull ring two is installed at the top of connecting block, the magic subsides are installed to the bottom of fender cover, and the bottom of magic subsides is laminated mutually with the top of sticky face.

Preferably, the top edge of go-between installs the iron set, and the outer surface of iron set cup joints installs the adapter sleeve, and the magnetic path is installed to the roof of adapter sleeve, and the outer surface mounting of adapter sleeve has the supporting shoe, and the sliding sleeve is installed to the one end of supporting shoe.

Preferably, the supporting column is positioned on the outer side of the charging barrel, and the hydraulic telescopic rod can drive the connecting ring to move up and down, so that the charging barrel can move up and down below the bottom plate;

the top and the bottom of the storage screen frame are respectively attached to the bottom of the upper baffle and the top of the lower baffle, the upper baffle and the lower baffle are C-shaped, and the two groups of notches I are respectively positioned on the same horizontal plane with the two groups of upper baffles and the lower baffles;

the stirring cylinder is positioned between the second notch and the sticky surface, the rotating rod is rotated, the blocking cover can be wound along the second notch, and the length of the reel is greater than that of the second notch;

the bottom of magnetic path and the top of iron set are laminated mutually, and the sliding sleeve is located the outside of one of them group support column, and the sliding sleeve can slide from top to bottom along the support column.

Preferably, the loading board is installed to the inner wall of stirring a garrulous section of thick bamboo, and the top center department of loading board installs the storage tank, and the bottom of stirring a garrulous section of thick bamboo is "eight" font.

Preferably, servo motor is installed to the diapire of storage tank, and the stirring rod is installed to servo motor's output, and the surface mounting of stirring rod has the blade of evenly arranging.

Preferably, the bottom of the bearing plate is provided with uniformly arranged discharge pipes, the discharge pipes are located on the outer side of the storage box, and the outer surfaces of the discharge pipes are provided with electronic valves.

Preferably, the rubber track preparation device comprises the following working steps:

s1, when preparing a micro-foaming polyurethane rubber track, firstly inserting storage screen frames with different apertures into notches I at corresponding positions until the storage screen frames can be limited between an upper baffle and a lower baffle, then sleeving a connecting sleeve on the outer surface of an iron rod, and installing the connecting sleeve on the top of a connecting ring through the attraction of a magnetic block and the iron rod;

s2, starting a servo motor in the storage box, so that the stirring rod can be driven to rotate, and then the blades can be driven to do circular motion under the action of the stirring rod, so that the purpose of crushing the waste tires is achieved;

s3, after the materials are stirred for a period of time, opening an electronic valve on the discharge pipe, so that the crushed powder of the waste tire in the stirring cylinder can fall into the charging cylinder through the discharge pipe;

s4, finally, pulling the first pull ring outwards, performing secondary crushing operation on the powder with the overlarge particle diameter in the storage screen frame, preparing the powder of the waste tire into rubber particles through vulcanization treatment, and mixing and stirring the EPDM rubber particles, the polyurethane rubber particles, the mixed polyether, the waste tire rubber particles, the vulcanizing agent, the antioxidant and anticorrosive components, the flame retardant, the plasticizer, the foaming agent and the adhesive until a polyurethane rubber mixture is obtained.

Preferably, the step S1 further includes the steps of:

s11, placing the waste tires into the stirring cylinder, pulling the pull ring II, so that the blocking cover wound on the reel can be pulled outwards along the notch, the blocking cover is driven to cover the top of the stirring cylinder under the action of the connecting block, and the blocking cover is fixed on the top plate through the adhesion of the magic tape and the adhesive surface, so that a certain shielding and protecting effect is achieved;

in step S3, the method further includes the steps of:

s31, starting the hydraulic telescopic rod, so that the charging barrel can be driven to move up and down under the action of the connecting ring, and waste tire powder with a smaller diameter in the upper storage screen frame can fall into the lower storage screen frame along with the up-and-down movement of the charging barrel, so that powder with different diameters can be conveniently screened;

s32, in the process, the sliding sleeve can move up and down on the surface of one group of supporting columns along with the up-and-down movement of the charging barrel under the action of the supporting block, so that a certain limiting effect is achieved, and the stability of the charging barrel in the up-and-down movement process can be improved.

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

1. according to the invention, by installing the bottom plate, the crushing barrel, the hydraulic telescopic rod, the connecting hole, the supporting column, the connecting ring and the charging barrel, after the waste tire is crushed, the crushed waste tire can fall into the charging barrel, and then the hydraulic telescopic rod can be started, so that the charging barrel can be driven to move up and down under the action of the connecting ring, and the crushed material in the charging barrel can be vibrated, thereby facilitating the secondary crushing of the raw material with larger diameter and improving the speed of preparing rubber particles by subsequent vulcanization.

2. The storage net frame is inserted into the charging barrel through the first notch until the storage net frame can be limited between the upper baffle and the lower baffle, and then the storage net frame can be used for screening waste tire powder with different diameters, so that secondary crushing operation of the large-diameter waste tire powder is facilitated.

3. According to the invention, the notch II, the connecting plate, the reel, the rotating rod, the blocking cover, the connecting block, the sticky surface, the magic tape and the pull ring II are arranged, and in the stirring process, the pull ring II is pulled, so that the blocking cover wound on the reel can be pulled outwards under the action of the connecting block until the magic tape can be bonded with the sticky surface, and then the stirring cylinder can be shielded by the blocking cover, so that a certain protection effect is achieved.

4. The iron rod, the magnetic block, the connecting sleeve, the supporting block and the sliding sleeve are arranged, the bearing block is pushed downwards until the connecting sleeve can be sleeved on the surface of the iron rod, then the connecting sleeve can be fixed on the connecting ring through the embedding of the magnetic block and the iron rod, and the sliding sleeve correspondingly slides up and down on the surface of the supporting column in the process of moving the charging barrel up and down, so that a certain limiting effect is achieved, and the stability of the charging barrel in the moving process is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic plan view of the crushing drum of the present invention;

FIG. 3 is a schematic view of an assembly structure of the reel of the present invention;

FIG. 4 is a schematic view of an assembly structure of the sliding sleeve of the present invention;

FIG. 5 is a schematic view of an assembly structure of the storage net frame according to the present invention;

FIG. 6 is a schematic view of an assembly structure of the connecting block of the present invention;

FIG. 7 is a schematic view of an assembly structure of the adhesive surface of the present invention;

fig. 8 is a flow chart of the operation of the present invention.

In the figure: 1. a base plate; 2. a crushing cylinder; 3. a top plate; 4. a hydraulic telescopic rod; 5. connecting holes; 6. a support pillar; 7. a connecting ring; 8. a charging barrel; 9. an upper baffle plate; 10. a lower baffle plate; 11. a first notch; 12. a storage net frame; 13. a first pull ring; 14. a second notch; 15. a connecting plate; 16. a reel; 17. a rotating rod; 18. a shield; 19. connecting blocks; 20. sticking the sticky surface; 21. magic tape; 22. a second pull ring; 23. carrying a plate; 24. a storage box; 25. a servo motor; 26. a blade; 27. a discharge pipe; 28. an electronic valve; 29. an iron rod; 30. a magnetic block; 31. connecting sleeves; 32. a support block; 33. a sliding sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, fig. 6 and fig. 8, an embodiment of the present invention: the utility model provides a preparation facilities of little foamed polyurethane rubber runway, including bottom plate 1 and charging barrel 8, a garrulous section of thick bamboo 2 is installed to the top center department gomphosis of bottom plate 1, the surface of a garrulous section of thick bamboo 2 cup joints installs roof 3, hydraulic telescoping rod 4 is installed to the bottom of roof 3, and hydraulic telescoping rod 4 is located one side of a garrulous section of thick bamboo 2, bottom plate 1's top is run through and is provided with connecting hole 5, and connecting hole 5 is located one side of a garrulous section of thick bamboo 2, hydraulic telescoping rod 4's output is located the inboard of connecting hole 5, go-between 7 is installed to hydraulic telescoping rod 4's output, and go-between 7 is located bottom plate 1's below, the internal diameter of go-between 7 is greater than the diameter of a garrulous section of thick bamboo 2, charging barrel 8 is installed to the internal surface of go-between 7, evenly arranged's support column 6 is installed to bottom plate 1, support column 6 is located the outside of charging barrel 8, hydraulic telescoping rod 4 can drive go-up and down, make charging barrel 8 can be in the below up-and down motion, evenly arranged's discharging pipe 27 is installed to the bottom of 23, and is located the discharging pipe 27, and is located the outside of storage tank 24, and there is an electronic valve 28.

Further, before preparing the rubber runway, at first put into the garrulous section of thick bamboo 2 of stirring with junked tire and carry out crushing operation, then open electronic valve 28, junked tire powder after smashing can fall into the inside of charging barrel 8 through discharging pipe 27, and be collected in the storing screen frame 12 of top, start hydraulic telescoping rod 4 on roof 3 after that, thereby can drive charging barrel 8 and reciprocate under the effect of go-between 7, at this in-process, the junked tire powder of minor diameter can fall into the storing screen frame 12 of below in the storing screen frame 12 of top, thereby make things convenient for the staff to carry out the regrinding operation to the powder of major diameter, and then facilitate for subsequent vulcanization preparation junked tire rubber granule.

Referring to fig. 5, an embodiment of the present invention: the utility model provides a preparation facilities of little foamed polyurethane rubber runway, including overhead gage 9 and pull ring 13, the interior surface mounting of charging barrel 8 has overhead gage 9 and lower baffle 10 of arranging from top to bottom, and overhead gage 9 and lower baffle 10 interval distribution, the surface of charging barrel 8 runs through and is provided with notch 11 of arranging from top to bottom, the inside slidable mounting of notch 11 has storing screen frame 12, the surface mounting of storing screen frame 12 has pull ring 13, the aperture of top storing screen frame 12 is greater than the aperture of below storing screen frame 12, the top and the bottom of storing screen frame 12 are laminated with the bottom of overhead gage 9 and the top of lower baffle 10 respectively, overhead gage 9 and lower baffle 10 all are "C" font, two sets of notch 11 are located same horizontal plane with two sets of overhead gage 9 and lower baffle 10 respectively.

Further, insert storing screen frame 12 in the inside of notch 11 to promote storing screen frame 12, thereby make storing screen frame 12 can be located the centre of overhead gage 9 and lower baffle 10, thereby play certain limiting displacement, in subsequent use, just can come to sieve the storage operation to the junked tire powder after smashing through storing screen frame 12 after that.

Referring to fig. 2, fig. 3 and fig. 7, an embodiment of the present invention: the utility model provides a preparation facilities of little foaming polyurethane rubber runway, including notch two 14 and magic subsides 21, the top of roof 3 is run through and is provided with notch two 14, connecting plate 15 that the front and back were arranged is installed to the bottom of roof 3, and two sets of connecting plate 15 all are located the opposite side of stirring garrulous 2, spool 16 is installed through the axle piece in the front of rear connecting plate 15, the front that the place ahead connecting plate 15 was run through in spool 16 is installed bull stick 17, and bull stick 17 is "L" font, sticky face 20 is installed at the top of roof 3, the surface winding of spool 16 installs fender cover 18, the internally mounted that notch two 14 was passed to the one end of fender cover 18 has connecting block 19, pull ring two 22 is installed at the top of connecting block 19, magic subsides 21 are installed to the bottom of fender cover 18, and the bottom of magic subsides 21 is laminated with sticky face 20's top mutually, stirring garrulous 2 is located notch two 14 and sticky face 20's centre, rotating rod 17, can roll up fender cover 18 along notch two 14, the length of notch 16 is greater than the length of magic garrulous 14, the loading board is installed to the inner wall of stirring garrulous 2, the inner wall installs 23, the top of stirring barrel installs the loading board 24, the bottom of storage box 24 is installed the output that the bottom of stirring motor 24 of stirring rod 24, the even rear surface of stirring motor 24 of stirring rod 24 is installed the stirring motor 24 of stirring rod 24, the stirring rod 24 of stirring motor 24.

Further, when preparing the rubber runway, at first put into the inside of stirring a garrulous section of thick bamboo 2 with junked tire, then pulling pull ring two 22, thereby can pull out keeping off cover 18 from notch two 14, just can drive the spool 16 and rotate after that, thereby conveniently pull and keep off cover 18 under connecting block 19's effect, until making magic subsides 21 can with gluing the laminating of gluing face 20, just can come to shelter from stirring a garrulous section of thick bamboo 2 through keeping off cover 18 after that, start servo motor 25 in the storage tank 24 after that, thereby drive the stirring rod and rotate, then just can drive blade 26 under the effect of stirring rod and smash junked tire, treat to smash the end back, upwards pull ring two 22, until making magic subsides 21 and gluing face 20 separation, then rotate bull stick 17, thereby can drive spool 16 under the effect of axle and rotate on connecting plate 15, thereby conveniently will keep off cover 18 rolling on spool 16.

Referring to fig. 4, an embodiment of the present invention: the utility model provides a preparation facilities of little foamed polyurethane rubber runway, including iron set 29 and sliding sleeve 33, iron set 29 is installed at the top edge of go-between 7, the surface of iron set 29 cup joints installs adapter sleeve 31, magnetic path 30 is installed to the roof of adapter sleeve 31, the outer surface mounting of adapter sleeve 31 has supporting shoe 32, sliding sleeve 33 is installed to supporting shoe 32's one end, the bottom of magnetic path 30 is laminated with the top of iron set 29 mutually, sliding sleeve 33 is located the outside of one of them group support column 6, sliding sleeve 33 can slide from top to bottom along support column 6.

Further, before the waste tires are crushed, the sliding sleeve 33 is pushed to slide downwards on the surface of one group of the supporting columns 6 until the connecting sleeve 31 can be sleeved on the surface of the iron rod 29, the connecting sleeve 31 is fixed on the connecting ring 7 through the attraction of the iron rod 29 and the magnetic block 30, and then when the charging barrel 8 moves up and down, the sliding sleeve 33 can slide along one group of the supporting columns 6 under the action of the supporting block 32, so that the stability of the charging barrel 8 in the up and down moving process can be improved to a certain extent.

Further, the rubber track preparation device comprises the following working steps:

s1, when preparing a micro-foaming polyurethane rubber track, firstly inserting storage screen frames 12 with different aperture sizes into notches I11 at corresponding positions until the storage screen frames 12 can be limited between an upper baffle 9 and a lower baffle 10, then sleeving a connecting sleeve 31 on the outer surface of an iron rod 29, and installing the connecting sleeve 31 at the top of a connecting ring 7 through suction of a magnetic block 30 and the iron rod 29;

s2, starting the servo motor 25 in the storage box 24 to drive the stirring rod to rotate, and then driving the blades 26 to do circular motion under the action of the stirring rod, so that the purpose of crushing the waste tires is achieved;

s3, after the mixture is stirred for a period of time, opening an electronic valve 28 on a discharge pipe 27, so that the stirred powder of the waste tires in the stirring cylinder 2 can fall into the charging cylinder 8 through the discharge pipe 27;

s4, finally, pulling the pull ring I13 outwards, performing secondary crushing operation on the powder with the overlarge particle diameter in the storage screen frame 12, preparing the powder of the waste tire into rubber particles through vulcanization treatment, and then mixing and stirring the EPDM rubber particles, the polyurethane rubber particles, the mixed polyether, the waste tire rubber particles, the vulcanizing agent, the antioxidant and anticorrosive components, the flame retardant, the plasticizer, the foaming agent and the adhesive until a polyurethane rubber mixture is obtained.

In step S1, the method further includes the steps of:

s11, putting the waste tires into the mincing barrel 2, pulling the pull ring II 22, so that the blocking cover 18 wound on the reel 16 can be pulled outwards along the notch II 14, driving the blocking cover 18 to cover the top of the mincing barrel 2 under the action of the connecting block 19, and fixing the blocking cover 18 on the top plate 3 through the adhesion of the magic tape 21 and the adhesive surface 20, so that a certain shielding and protecting effect is achieved;

in step S3, the method further includes the steps of:

s31, starting the hydraulic telescopic rod 4, so that the charging barrel 8 can be driven to move up and down under the action of the connecting ring 7, and waste tire powder with a smaller diameter in the upper storage screen frame 12 can fall into the lower storage screen frame 12 along with the up-and-down movement of the charging barrel 8, so that powder with different diameters can be conveniently screened;

s32, in the process, the sliding sleeve 33 can move up and down on the surface of one group of the supporting columns 6 along with the up-and-down movement of the charging barrel 8 under the action of the supporting block 32, so that a certain limiting effect is achieved, and the stability of the charging barrel 8 in the up-and-down movement process can be improved.

The working principle is as follows: when the micro-foaming polyurethane rubber runway is prepared, waste tires are firstly placed in the stirring cylinder 2, then the servo motor 25 is started, so that the blades 26 can be driven to stir the waste tires under the action of the stirring rod, the waste tires can be changed into powder, in the process, the pull ring II 22 is pulled, the blocking cover 18 can be pulled outwards along the notch II 14 until the magic tape 21 can be bonded with the bonding surface 20, then the stirring cylinder 2 can be blocked by the blocking cover 18, and the probability that the stirred raw materials splash outwards in the process of stirring the waste tires is reduced;

after the waste tire powder is crushed for a period of time, the electronic valve 28 is opened, so that the waste tire powder in the crushing barrel 2 can fall into the charging barrel 8 through the discharge pipe 27, then the hydraulic telescopic rod 4 is started, so that the charging barrel 8 can be driven to move up and down, and the waste tire powder with different particle diameters can be screened through the storage screen frame 12;

and then pulling the pull ring I13 outwards, performing secondary crushing on the large-diameter waste tire powder according to the requirement, finally performing vulcanization treatment on the waste tire powder according to the actual requirement to prepare waste tire rubber particles, and mixing and stirring the prepared waste tire rubber particles and the raw materials for preparing the micro-foaming polyurethane rubber track together until a polyurethane rubber mixture is obtained.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a preparation facilities of little foamed polyurethane rubber runway, includes bottom plate (1), its characterized in that: a crushing cylinder (2) is embedded in the center of the top of the bottom plate (1), and a top plate (3) is sleeved on the outer surface of the crushing cylinder (2);

the bottom of the top plate (3) is provided with a hydraulic telescopic rod (4), the hydraulic telescopic rod (4) is located on one side of the smashing cylinder (2), the top of the bottom plate (1) is provided with a connecting hole (5) in a penetrating mode, the connecting hole (5) is located on one side of the smashing cylinder (2), the output end of the hydraulic telescopic rod (4) is located on the inner side of the connecting hole (5), the output end of the hydraulic telescopic rod (4) is provided with a connecting ring (7), the connecting ring (7) is located below the bottom plate (1), and the inner diameter of the connecting ring (7) is larger than the diameter of the smashing cylinder (2);

the charging barrel (8) is installed on the inner surface of the connecting ring (7), and the supporting columns (6) which are uniformly distributed are installed at the bottom of the bottom plate (1).

2. The device for preparing a micro-foaming polyurethane rubber track according to claim 1, is characterized in that: the inner surface of the charging barrel (8) is provided with an upper baffle (9) and a lower baffle (10) which are arranged from top to bottom, the upper baffle (9) and the lower baffle (10) are distributed at intervals, the outer surface of the charging barrel (8) is provided with a first notch (11) which is arranged from top to bottom in a penetrating mode, a storage net frame (12) is arranged inside the first notch (11) in a sliding mode, the outer surface of the storage net frame (12) is provided with a first pull ring (13), and the aperture of the storage net frame (12) above is larger than that of the storage net frame (12) below.

3. The device for preparing a micro-foaming polyurethane rubber track according to claim 1, is characterized in that: the top of roof (3) is run through and is provided with notch two (14), connecting plate (15) of arranging around the bottom of roof (3) is installed, and two sets of connecting plate (15) all are located the opposite side of stirring a bits of thick bamboo (2), spool (16) are installed through the axle piece in the front of rear connecting plate (15), bull stick (17) are installed in the front that the front of spool (16) runs through place ahead connecting plate (15), and bull stick (17) are "L" font, sticky face (20) are installed at the top of roof (3), the surface winding of spool (16) is installed and is kept off cover (18), the internally mounted that notch two (14) were passed to the one end that keeps off cover (18) has connecting block (19), pull ring two (22) are installed at the top of connecting block (19), magic subsides (21) are installed to the bottom of keeping off cover (18), and the bottom of magic subsides (21) is laminated with the top of sticky face (20).

4. The device for preparing the micro-foaming polyurethane rubber track according to claim 1, characterized in that: iron rod (29) are installed at the top edge of go-between (7), and adapter sleeve (31) are installed in the surface cup joint of iron rod (29), and magnetic path (30) are installed to the roof of adapter sleeve (31), and the surface mounting of adapter sleeve (31) has supporting shoe (32), and sliding sleeve (33) are installed to the one end of supporting shoe (32).

5. The apparatus for preparing a micro-foamed urethane rubber track according to any one of claims 1 to 4, wherein: the supporting column (6) is positioned on the outer side of the charging barrel (8), and the hydraulic telescopic rod (4) can drive the connecting ring (7) to move up and down, so that the charging barrel (8) can move up and down below the bottom plate (1);

the top and the bottom of the storage screen frame (12) are respectively attached to the bottom of the upper baffle (9) and the top of the lower baffle (10), the upper baffle (9) and the lower baffle (10) are C-shaped, and the two groups of notches I (11) are respectively positioned on the same horizontal plane with the two groups of upper baffles (9) and lower baffles (10);

the stirring cylinder (2) is positioned between the second notch (14) and the sticky surface (20), the rotating rod (17) is rotated, the blocking cover (18) can be wound along the second notch (14), and the length of the reel (16) is greater than that of the second notch (14);

the bottom of the magnetic block (30) is attached to the top of the iron rod (29), the sliding sleeve (33) is located on the outer side of one group of the supporting columns (6), and the sliding sleeve (33) can slide up and down along the supporting columns (6).

6. The device for preparing the micro-foaming polyurethane rubber track according to claim 1, characterized in that: a bearing plate (23) is installed on the inner wall of the stirring cylinder (2), a storage box (24) is installed at the center of the top of the bearing plate (23), and the bottom end of the stirring cylinder (2) is inverted in a splayed shape.

7. The device for preparing the micro-foaming polyurethane rubber track according to claim 6, characterized in that: servo motor (25) are installed to the diapire of storage tank (24), and the stirring rod is installed to the output of servo motor (25), and the surface mounting of stirring rod has blade (26) of evenly arranging.

8. The device for preparing the micro-foaming polyurethane rubber track according to claim 6, is characterized in that: discharging pipe (27) of evenly arranging are installed to the bottom of loading board (23), and discharging pipe (27) are located the outside of storage tank (24), and electronic valve (28) are installed to the surface of discharging pipe (27).

9. A method for preparing a micro-foaming polyurethane rubber track according to any one of claims 1 to 8, characterized in that the rubber track preparation device comprises the following working steps:

s1, when a micro-foaming polyurethane rubber track is prepared, firstly, storing net frames (12) with different aperture sizes are inserted into a first notch (11) at a corresponding position until the storing net frames (12) can be limited between an upper baffle plate (9) and a lower baffle plate (10), then a connecting sleeve (31) is sleeved on the outer surface of an iron rod (29), and the connecting sleeve (31) is arranged at the top of a connecting ring (7) through the suction of a magnetic block (30) and the iron rod (29);

s2, starting a servo motor (25) in the storage box (24) to drive the stirring rod to rotate, and then driving the blade (26) to do circular motion under the action of the stirring rod to achieve the purpose of crushing the waste tires;

s3, after the materials are stirred for a period of time, opening an electronic valve (28) on a discharge pipe (27), so that the stirred powder of the waste tires in the stirring cylinder (2) can fall into the charging cylinder (8) through the discharge pipe (27);

s4, finally, pulling the first pull ring (13) outwards, performing secondary crushing operation on the powder with the overlarge particle diameter in the storage screen frame (12), preparing the powder of the waste tire into rubber particles through vulcanization treatment, and then mixing and stirring the EPDM rubber particles, the polyurethane rubber particles, the mixed polyether, the waste tire rubber particles, the vulcanizing agent, the antioxidant and anticorrosive components, the flame retardant, the plasticizer, the foaming agent and the adhesive until a polyurethane rubber mixture is obtained.

10. A method for preparing a micro-foaming polyurethane rubber track according to claim 9, wherein in the step S1, the method further comprises the following steps:

s11, placing the waste tires into the stirring cylinder (2), then pulling the second pull ring (22), so that the blocking cover (18) wound on the reel (16) can be pulled outwards along the second notch (14), the blocking cover (18) is driven to cover the top of the stirring cylinder (2) under the action of the connecting block (19), and the blocking cover (18) is fixed on the top plate (3) through the adhesion of the magic tape (21) and the adhesive surface (20), so that a certain shielding and protecting effect is achieved;

in step S3, the method further includes the steps of:

s31, starting the hydraulic telescopic rod (4) so as to drive the charging barrel (8) to move up and down under the action of the connecting ring (7), so that waste tire powder with a smaller diameter in the upper storage screen frame (12) can fall into the lower storage screen frame (12) along with the up-and-down movement of the charging barrel (8), and powder with different diameters can be conveniently screened;

s32, in the process, the sliding sleeve (33) can move up and down on the surface of one group of supporting columns (6) along with the up-and-down movement of the charging barrel (8) under the action of the supporting block (32), so that a certain limiting effect is achieved, and the stability of the charging barrel (8) during up-and-down movement can be improved.