CN218576726U - Continuous feeding type waste tire crushing device - Google Patents

Abstract

The utility model relates to a broken technical field of retrieving of junked tire, especially a continuous feeding formula junked tire breaker, include and support the broken room on the basis by basic seat support, be equipped with broken junked tire's rotary cutter in the broken room, still include the income hopper that communicates each other with broken room, be equipped with the double-fluted disc continuous feeding mechanism that can open and shut in going into the hopper, in junked tire drops into the hopper, press from both sides the tight crushing room that pushes by feeding mechanism with junked tire by force, be the bulk with junked tire breakage by the rotary cutter in the broken room. The utility model provides a tire breaker presss from both sides tight earlier with junked tire through the continuous feeding mechanism of double-fluted disc, pushes the crushing room breakage by force again, has avoided junked tire to skid between broken cutter for junked tire is pressed from both sides tightly can be continuous by the conveying by force and goes into the cutting of rotating cutter, and then has reached the technological effect that advances child and cut child in succession, has improved production efficiency, has greatly reduced because of the material piles up the fault outage rate that causes.

Description

Continuous feeding type waste tire crushing device

Technical Field

The application relates to the technical field of waste tire crushing and recycling, in particular to a continuous feeding type waste tire crushing device.

Background

With the improvement of automobile performance, the mainstream tires are made of high-quality composite materials, such as radial tires. Radial tires have many advantageous features, such as good wear and puncture resistance, good cushioning properties, low running temperature, good stability and safety, and high mileage and economic benefits. However, the radial tire generally contains steel wires with high hardness, and the tire tread is covered by thick rubber, so that the whole tire is rigid and flexible, and certain difficulty is brought to crushing and recycling of the tire. This requires that the crushing equipment cutters be very wear resistant, have high hardness and also be impact resistant. When waste tires with different specifications are encountered, the waste tires are required to smoothly enter the crushing device, and frequent shutdown cannot be caused by blockage and accumulation.

Chinese patent application publication No.: CN102161221a, name: the production system disclosed by the patent application comprises a double-shaft crusher, the double-shaft crusher comprises a feeding hopper and a crushing chamber, a pair of rotating cutters are arranged in the crushing chamber, and the rotating cutters crush waste tires into rubber blocks. According to the double-shaft shear type crusher, waste tires are easy to slip between two rows of cutters, and particularly when the waste tires with different specifications are encountered, a large number of waste tires are easy to accumulate in a hopper, so that frequent shutdown is caused, and the production efficiency is seriously influenced.

In order to avoid accumulation of waste tires in the hopper, a crushing device additionally provided with a tire pressing mechanism is provided. For example, chinese patent application publication No.: CN110480879a, name: the utility model provides a scrap tire breaker and recovery technology, establishes three rows of cutting rollers in this breaker protective housing, simultaneously the upper end middle part of protective housing is equipped with the clamp plate, is convenient for extrude scrap tire, makes things convenient for first row cutting roller to cut scrap tire. Although the clamp plate that this patent application was add has solved the scrap tire and has skidded accumulational problem in cutting roller within a definite time, can guarantee normal cutting. However, when the crusher of the patent application presses the tire, the waste tire can not be continuously put into the crusher, and the waste tire can be put into the crusher again after the pressing plate returns to the original position after the tire pressing is finished, so that the production efficiency is influenced. Moreover, the platens are hydraulically driven and hydraulic stations must be provided, which in turn increases the complexity of the apparatus and the maintenance costs.

Disclosure of Invention

The junked tire breaker of prior art has junked tire and skids the technical problem of unable continuous feeding easily between broken cutter, for this reason, the junked tire breaker of a continuous feeding formula of this application presss from both sides junked tire earlier through addding the continuous feeding mechanism of bidentate tightly, and it is broken to push broken room again by force, has avoided junked tire to skid between broken cutter, has realized continuous feeding.

This application has put forward a continuous feeding formula junked tire breaker on the one hand, including basic seat support, broken room and with broken communicating income hopper in room, broken room is supported on the basis by basic seat support, installs broken junked tire's rotary cutter in the broken room, going into the hopper and establishing the mouth of throwing, broken room establishes the material export of junked tire broken thing, broken room material export below still is equipped with output, is equipped with the feeding mechanism that can open and shut in going into the hopper, and feeding mechanism includes a pair of fluted disc, the fluted disc is connected with the one end of a pair of rolling dabber respectively, a pair of rolling dabber passes through the bar shaft hole of seting up in the income hopper lateral wall respectively, and the rolling dabber other end connects gradually fluted disc speed reduction drive and fluted disc drive arrangement respectively, leaves the clearance that is slightly less than tire thickness between the fluted disc, when the tire contacts the fluted disc, opposite pivoted fluted disc presss from both sides junked tire tightly, along with the rotation of fluted disc, junked tire passes through the clearance and is pushed broken room by the compulsory through the clearance, through rotary cutter in broken room, exports junked tire to the cubic thing, and exports to output to the output spare behind, output spare conveying rubber block entering next process.

Specifically, the openable feeding mechanism is controlled by a pressure regulating mechanism, the pressure regulating mechanism comprises a bearing with a seat connected with a fluted disc driving device, the bearing with the seat slides along a slide way arranged parallel to a strip-shaped shaft hole, the bearing with the seat is connected with one end of a spring mandrel in a sliding way, the other end of the spring mandrel is fixed on a fixed plate, and a spring in a tension state is sleeved between the bearing with the seat and the fixed plate by the spring mandrel; when the fluted disc is opened by the waste tire, the clamping force of the two fluted discs is controlled by the elastic force of the spring, and after the waste tire is completely separated from the two fluted discs, the feeding mechanism is restored to the original position by the elastic force of the spring.

Specifically, the strip-shaped shaft holes are obliquely arranged, the included angle between the two strip-shaped shaft holes is smaller than 180 degrees, and correspondingly, the two fluted discs freely slide along the oblique slide ways; when the fluted discs are propped open by the waste tires, the two fluted discs are controlled by the gravity of the feeding mechanism and the elasticity of the spring to clamp the entering waste tires, and after the waste tires are completely separated from the two fluted discs, the gravity of the feeding mechanism and the elasticity of the spring enable the feeding mechanism to recover to the original position.

Specifically, the included angle between the two strip-shaped shaft holes is preferably 120 degrees.

Specifically, the other end of the spring mandrel is fixed on the fixing plate through a limit nut in a threaded connection mode, the length of the spring mandrel can be adjusted through screwing the limit nut to control the gap between the two fluted discs, and then waste tires in different sizes are crushed.

Specifically, a spinning nut is arranged at the connecting end of the fixed plate of the spring mandrel, so that the spring is respectively abutted against the belt seat bearing and the spinning nut, the elasticity of the spring is adjusted by screwing the spinning nut, and the clamping force of the two fluted discs for clamping the waste tire is further adjusted.

Specifically, a reduction transmission device and a fluted disc drive device for driving a pair of fluted discs are arranged on two sides of the feeding hopper, the reduction transmission device adopts a speed reducer, and the fluted disc drive device adopts a motor or an engine.

The rotary cutters in the crushing chamber comprise a pair of first rotary cutters and a pair of second rotary cutters which are horizontally arranged, the rotary cutters are respectively connected with a pair of rotary main shafts, the rotary main shafts are driven by cutter driving devices through cutter speed reduction transmission devices, the rotary main shafts are respectively driven by the cutter driving devices and the cutter speed reduction transmission devices, one cutter driving device drives one rotary main shaft through one cutter speed reduction transmission device, third cutters are fixedly arranged on the side walls of the crushing chamber at the corresponding positions of the rotary cutters, the third cutters are meshed with the first rotary cutters and the second rotary cutters, and the cutter driving devices and the cutter speed reduction transmission devices which drive the pair of rotary cutters are arranged on two sides of the crushing chamber.

The crushing device further comprises an automatic induction spraying mechanism, one end of a spraying pipeline of the automatic induction spraying mechanism is connected with a spraying pump, the other end of the spraying pipeline in the feeding hopper is provided with an atomizing spray head and a sensor, a valve is arranged in the spraying pipeline, and when the sensor senses that the temperature of the fluted disc or the rotary cutter is too high, the spraying pump is started and the valve is opened to spray and further cool the fluted disc or the rotary cutter.

Specifically, the feeding hopper is provided with a pair of guide plates along two inward sides of the feeding opening, a gap between the guide plates is aligned with a gap between the two fluted discs, and after the waste tires are fed from the waste material opening, the waste tires are guided by the guide plates until the waste tires are contacted with the two fluted discs, and then are clamped tightly and are forcibly pushed into the crushing chamber to complete crushing.

The technical scheme has the following advantages or beneficial effects: the double-fluted-disc continuous feeding mechanism is utilized to clamp the waste tire firstly, and then the waste tire is forcedly pushed into the crushing chamber to be crushed, so that the waste tire is prevented from slipping between crushing cutters, the waste tire can be forcedly fed into the rotary cutter to be cut continuously and uninterruptedly, the technical effect of continuous tire feeding and crushing is achieved, the production efficiency is improved, and the failure outage rate caused by material accumulation is greatly reduced.

Drawings

Fig. 1 is a schematic structural diagram of a continuous feeding type junked tire crushing device according to the present application.

Fig. 2 is a schematic sectional structure view of a continuous feeding type junked tire crushing apparatus according to the present application.

Fig. 3 is a schematic structural diagram of a crushing cutter driving and reducing device of a continuous feeding type waste tire crushing device.

Fig. 4 is a sectional view schematically showing the construction of a crushing chamber of a continuous feeding type junked tire crushing apparatus according to the present application.

Fig. 5 is a sectional view of a feeding mechanism of a continuous feeding type waste tire crushing device according to the present application.

Fig. 6 is a schematic structural diagram of a feeding mechanism of a continuous feeding type waste tire crushing device according to the present application.

Fig. 7 is a schematic structural diagram of a pressure regulating mechanism of a continuous feeding type waste tire crushing device according to the application.

Fig. 8 is a schematic structural view of an automatic induction spraying mechanism of the continuous feeding type junked tire crushing device.

Fig. 9 is a schematic view of a guide plate structure of a continuous feeding type junked tire crushing apparatus according to the present application.

Wherein, the foundation bed bracket 1; a crushing chamber 2; a material outlet 21; a rotary cutter 3; the first rotary cutter 31; the second rotary cutter 32; a rotating main shaft 33; a tool driving device 34; a tool reduction gear 35; a third cutter 36; feeding into a hopper 4; an inlet port 41; a feeding mechanism 5; a toothed disc 51; a first toothed disc 511; a second ring gear 512; a rolling mandrel 52; a first rolling mandrel 521; a second rolling mandrel 522; a bar-shaped shaft hole 53; a first bar axis hole 531; a second bar-shaped axle hole 532; a toothed disc reduction gear 54; a fluted disc drive 55; a pressure regulating mechanism 6; a pedestal bearing 61; a spring mandrel 62; a limit nut 63; a fixed plate 64; a spring 65; a chute 66; an output member 7; an auto-induction spraying mechanism 8; a spray line 81; a spray pump 82; and a valve 83.

Detailed Description

The embodiments are described in detail below, and the embodiments described with reference to the drawings are exemplary and are intended to be used for explaining the inventive concept.

The terms "horizontal," "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like as used in the description indicate orientations and positional relationships that are based on the orientation or positional relationship illustrated in the figures, merely for the sake of simplicity of the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation.

The terms "first", "second", etc. used in the description are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. The term "plurality" means two or more unless specifically limited otherwise.

Unless expressly stated or limited otherwise, the terms "connected," "connected," and the like as used in the description are to be construed broadly, and for example, as meaning a fixed connection, a removable connection, or an integral part; can be mechanical connection and electrical connection; may be directly connected, or indirectly connected through an intermediate; either as communication within the two elements or as an interactive relationship of the two elements. Specific meanings of the above terms in the examples can be understood by those of ordinary skill in the art according to specific situations.

Unless otherwise expressly stated or limited, a first feature "above," "below," or "above" a second feature may be directly contacting the first or second feature, or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," or "on" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," or "beneath" a second feature may be directly contacting the first and second features, or may be indirectly contacting the first and second features through intervening media. Also, a first feature "under," "beneath," or "beneath" a second feature may be directly under or obliquely below the second feature, or simply mean that the first feature is at a lesser level than the second feature.

Reference throughout this specification to "one particular embodiment" or "an example" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1 and 2, an embodiment of a continuous feeding type junked tire crushing device of the present application includes a crushing chamber 2 supported above a base by a base support 1, and a rotary cutter 3 for crushing tires is provided in the crushing chamber 2. The crushing device further comprises a feeding hopper 4, the lower end of the feeding hopper 4 is communicated with the upper end of the crushing chamber 2, and a feeding mechanism 5 capable of opening and closing is arranged in the feeding hopper 4. The upper end of the feeding hopper 4 is provided with a feeding port 41 for feeding waste tires, and the bottom end of the crushing chamber 2 is provided with a material outlet 21 for crushing waste tires. When the waste tires are fed into the hopper 4 through the feeding port 41, the waste tires are clamped tightly by the feeding mechanism 5 and are forcibly pushed into the crushing chamber 2, the waste tires are crushed into blocks by the rotary cutter 3 in the crushing chamber 2, the crushing is completed, the crushed materials fall to the output part 7 arranged on the base seat support 1 through the material outlet 21, and the output part 7 conveys rubber blocks to enter the next process.

As shown in fig. 2, in an embodiment of the present application, the rotating cutter 3 in the crushing chamber 2 includes a pair of first rotating cutter 31 and second rotating cutter 32 arranged in a horizontal direction. The rotary tools 3 are correspondingly connected to one end of a rotary spindle 33, and the rotary spindle 33 is driven by a tool drive 34 via a tool reduction gear 35.

As shown in fig. 3, in an embodiment of the present application, two tool driving devices 34 and two tool reduction gears 35 are used, and one tool driving device 34 drives one rotating main shaft 33 through one tool reduction gear 35, so that the transmission system is simplified and the failure rate is reduced. Preferably, a tool driving device 34 and a tool reduction gear 35 for driving the first rotary tool 31 and the second rotary tool 32 are installed at both sides of the crushing chamber 2 for easy layout. Preferably, the tool driving device 34 may be an electric motor or an engine, and the tool reduction transmission device 35 may be a speed reducer.

As shown in fig. 4, in an embodiment of the present application, the first rotating cutter 31 and the second rotating cutter 32 may be annular cutters having a plurality of blades stacked on each other, and the blades of the cutters on the two transmission shafts are engaged with each other in a staggered manner. The side wall of the crushing chamber 2 corresponding to the rotary cutter 3 can also be fixedly provided with a third cutter 36, and the third cutter 36 is meshed with the first rotary cutter 31 and the second rotary cutter 32. The cutter can be provided with a hard alloy cutting edge to enhance the biting force of the waste tires to be crushed. The waste tires are subjected to double actions of extrusion and shearing in the crushing chamber 2, the tires with common sizes can be crushed, and the size of the crushed rubber blocks is about less than 50 mm × 50 mm.

As shown in fig. 5 and 6, in an embodiment of the present application, the feeding mechanism 5 includes a first toothed disc 511 and a second toothed disc 512 for the toothed disc 51 arranged in a horizontal direction. Correspondingly, the fluted disc 51 is respectively connected with a pair of rolling mandrels 52, and the rolling mandrels 52 are specifically a first rolling mandrel 521 and a second rolling mandrel 522. Correspondingly, the rolling mandrels 52 pass through bar-shaped shaft holes 53 formed in the side wall of the material inlet hopper 4, and the bar-shaped shaft holes 53 are a first bar-shaped shaft hole 531 and a second bar-shaped shaft hole 532 respectively. Correspondingly, the other end of the rolling spindle 52 is connected to the fluted disc reduction transmission device 54 and the fluted disc drive device 55 in sequence, that is, one fluted disc drive device 55 correspondingly drives the first rolling spindle 521 and the second rolling spindle 522 through one fluted disc reduction transmission device 54. Preferably, the fluted disc reduction transmission 54 and the fluted disc drive 55 for driving the first fluted disc 511 and the second fluted disc 512 are mounted on both sides of the feeding hopper 4 for convenient arrangement. Preferably, the fluted disc reduction transmission 54 can adopt a speed reducer, and the fluted disc drive 55 can adopt an electric motor or an engine. The two fluted discs 51 rotate oppositely, a gap slightly smaller than the thickness of the tire is reserved between the two fluted discs 51, when the waste tire contacts the two fluted discs 51, the waste tire is clamped by the two fluted discs 51, and the waste tire is forcedly conveyed to enter the crushing chamber through the gap along with the continuous rotation of the two fluted discs 51.

In an embodiment of the continuous feeding type junked tire crushing device of the present application, as shown in fig. 7, the openable feeding mechanism 5 is controlled by a pressure regulating mechanism 6. The pressure regulating mechanism 6 comprises a belt-mounted bearing 61 connected to a toothed disc drive 55, said belt-mounted bearing 61 being slidable along a slide 66 arranged parallel to the bar-shaped shaft hole 53. The seated bearing 61 is slidably connected with one end of a spring mandrel 62, the other end of the spring mandrel 62 is screwed and fixed on a fixing plate 64 through a limiting nut 63, and a spring 65 in a tension state is sleeved between the seated bearing 61 and the fixing plate 64 of the spring mandrel 62. The length of the spring mandrel 62 is adjusted by screwing the limit nut 63, so that the gap between the two fluted discs 51 is controlled, and the waste tires with different sizes are crushed. Because the feeding mechanism 5 is composed of two parts, and the corresponding pressure regulating mechanism 6 is also composed of two parts, one part, the other part and the connection relationship among the parts are similar in arrangement, and the description is not repeated.

When the waste tires enter the feeding hopper 4, the waste tires are clamped by the two fluted discs 51 and are forcedly conveyed into the crushing chamber 2 to be crushed. If the thickness of the waste tire is too large, the two fluted discs 51 are automatically expanded away along the slideway, and the waste tire is always in a clamped state. After the waste tire is completely separated from the two fluted discs 51, the feeding mechanism 5 is restored to the original position under the action of the elastic force of the spring 65. In the period, the waste tires can be continuously fed, so that the production efficiency is improved, and the failure outage rate caused by material accumulation is reduced to zero.

According to a specific embodiment of the continuous feeding type waste tire crushing device, the spring mandrel 62 is provided with a spinning nut 67 at the connecting end of the fixing plate 64, so that the spring is abutted to the bearing with the seat 61 and the spinning nut 67 respectively. The elastic force of the spring 65 can be adjusted at will by screwing the spinning nut 67, so as to adjust the clamping force of the two fluted discs 51 for clamping the waste tire. After the junked tires enter the material inlet hopper 4, if the two toothed discs 51 cannot clamp the junked tires, and the tires frequently slip between the two toothed discs 51, the spinning nuts 67 are screwed to shorten the springs 65, so as to increase the clamping force between the two toothed discs 51.

In a specific embodiment of the present application, the first bar-shaped shaft hole 531 and the second bar-shaped shaft hole 532 are obliquely disposed, and an included angle therebetween is smaller than 180 °, preferably 120 °. The corresponding slide 66, which is arranged parallel to the bar-shaped shaft bore 53, is also arranged obliquely, with an angle of less than 180 °, preferably 120 °, between them. After the junked tires enter the feeding hopper 4, if the thickness of the junked tires is too large, the two fluted discs 51 are automatically spread away along the inclined slideways 66. The junked tire is always in a clamped state due to the gravity of the feeding mechanism 5 and the elastic force of the spring 65. After the waste tires are completely separated from the two fluted discs 51, the gravity of the feeding mechanism 5 and the elasticity of the spring 65 enable the feeding mechanism 5 to be easily restored to the original position.

As shown in fig. 8, a specific embodiment of a continuous feeding type junked tire breaker of this application, breaker still includes auto-induction spraying mechanism 8, auto-induction spraying mechanism 8's spraying pipe 81 one end is connected and is sprayed pump 82, and spraying pipe 81 is equipped with atomizing shower head and sensor in going into the other end of hopper 4, is equipped with valve 83 in spraying pipe 81. When the sensor senses that the temperature of the toothed disc 51 or the rotary cutter 3 is too high, the spray pump 82 is started and the valve 82 is opened to spray so as to cool the toothed disc 51 or the rotary cutter 3.

As shown in fig. 9, in an embodiment of the present application, the feeding hopper 4 is provided with a pair of guide plates 42 along both sides of the feeding opening 41, and the gap between the guide plates 42 is aligned with the gap between the two toothed plates 51. After the waste tires are thrown in from the waste opening 41, the waste tires are guided by the guide plate 42 until the waste tires are contacted with the two fluted discs 51, and then are clamped and forcibly pushed into the crushing chamber 2 to complete crushing.

While embodiments of the present application have been illustrated and described above, it should be understood that they have been presented by way of example only, and not limitation. Without departing from the spirit and scope of this application, there are also various changes and modifications that fall within the scope of the claimed application.

Claims (10)

1. The utility model provides a continuous feeding formula junked tire breaker, includes basic seat support (1), crushing room (2) and with communicating income hopper (4) of crushing room, the crushing room is supported on the basis by basic seat support, installs broken junked tire's rotary cutter (3) in the crushing room, go into the hopper and establish input mouth (41), material outlet (21) of the broken thing of junked tire are established to the crushing room, crushing room material outlet below still is equipped with output (7), its characterized in that: be equipped with feed mechanism (5) that can open and shut in going into the hopper, feed mechanism includes a pair of fluted disc (51), the fluted disc is connected with the one end of a pair of rolling dabber (52) respectively, a pair of rolling dabber is respectively through seting up in the bar shaft hole (53) of going into the hopper lateral wall, the fluted disc reduction gear (54) and fluted disc drive arrangement (55) are connected gradually respectively to the rolling dabber other end, leave the clearance that is slightly less than tire thickness between the fluted disc, when junked tire contacts the fluted disc, the junked tire is pressed from both sides tightly to pivoted fluted disc in opposite directions, along with the rotation of fluted disc, junked tire passes through the clearance and is pushed broken room by the force, through the rotating cutter in the broken room with junked tire breakage for the cubic, afterwards export to output, output conveying rubber block gets into next process.

2. A continuous feed type junked tire crushing apparatus according to claim 1, wherein: the openable feeding mechanism is controlled by a pressure regulating mechanism (6), the pressure regulating mechanism comprises a bearing with a seat (61) connected with a fluted disc driving device, the bearing with the seat slides along a slide way (66) arranged parallel to a strip-shaped shaft hole, the bearing with the seat is connected with one end of a spring mandrel (62) in a sliding way, the other end of the spring mandrel is fixed on a fixed plate (64), and a spring (65) in a tension state is sleeved between the bearing with the seat and the fixed plate by the spring mandrel; when the fluted discs are expanded by the waste tires, the clamping force of the two fluted discs is controlled by the elastic force of the spring, and when the waste tires are completely separated from the two fluted discs, the feeding mechanism is restored to the original position by the elastic force of the spring.

3. A continuous feed type junked tire crushing apparatus according to claim 2, wherein: the strip-shaped shaft holes are obliquely arranged, the included angle between the two strip-shaped shaft holes is smaller than 180 degrees, and correspondingly, the two fluted discs freely slide along the oblique slide ways; when the fluted discs are propped open by the waste tires, the two fluted discs are controlled by the gravity of the feeding mechanism and the elasticity of the spring to clamp the entering waste tires, and after the waste tires are completely separated from the two fluted discs, the gravity of the feeding mechanism and the elasticity of the spring enable the feeding mechanism to recover to the original position.

4. A continuous feed type junked tire breaking apparatus according to claim 3, wherein: the included angle between the two strip-shaped shaft holes is preferably 120 degrees.

5. A continuous feed type junked tire crushing apparatus according to claim 2, wherein: the other end of the spring mandrel is fixed on the fixing plate through a limit nut (63) in a threaded mode, the length of the spring mandrel can be adjusted through screwing the limit nut to control the gap between the two fluted discs, and then waste tires in different sizes are crushed.

6. A continuous feed type junked tire crushing apparatus according to claim 2, wherein: a spinning nut (67) is arranged at the connecting end of the fixing plate of the spring mandrel, so that the spring is respectively abutted against the belt seat bearing and the spinning nut, the elasticity of the spring is adjusted by screwing the spinning nut, and the clamping force of the two fluted discs for clamping the waste tire is further adjusted.

7. A continuous feed type junked tire breaking apparatus according to claim 1, characterized in that: the speed reduction transmission device and the fluted disc driving device for driving the pair of fluted discs are arranged on two sides of the feeding hopper, the fluted disc speed reduction transmission device adopts a speed reducer, and the fluted disc driving device adopts a motor or an engine.

8. A continuous feed type junked tire crushing apparatus according to claim 1, wherein: the rotary cutter in the crushing chamber comprises a pair of first rotary cutter (31) and a second rotary cutter (32) which are horizontally arranged, the rotary cutters are respectively connected with a pair of rotary main shafts (33), the rotary main shafts are driven by cutter driving devices (34) through cutter speed reduction transmission devices (35), the rotary main shafts are respectively driven by the cutter driving devices and the cutter speed reduction transmission devices, one cutter driving device drives one rotary main shaft through one cutter speed reduction transmission device, a third cutter (36) is fixedly arranged on the side wall of the crushing chamber at the corresponding position of the rotary cutters, the third cutter is meshed with the first rotary cutter and the second rotary cutter, and the cutter driving device and the cutter speed reduction transmission device which drive the pair of rotary cutters are arranged on two sides of the crushing chamber.

9. A continuous feed type junked tire crushing apparatus according to claim 1, wherein: the crushing device further comprises an automatic induction spraying mechanism (8), one end of a spraying pipeline (81) of the automatic induction spraying mechanism is connected with a spraying pump (82), the other end of the spraying pipeline in the feeding hopper is provided with an atomizing spray head and a sensor, a valve (83) is arranged in the spraying pipeline, and when the sensor senses that the temperature of the fluted disc or the rotary cutter is too high, the spraying pump is started and the valve is opened to spray so as to cool the fluted disc or the rotary cutter.

10. A continuous feed type junked tire breaking apparatus according to claim 1, characterized in that: the feeding hopper is provided with a pair of guide plates (42) along the inward two sides of the feeding opening, the gap between the guide plates is aligned with the gap between the two fluted discs, and after the waste tires are fed from the waste material opening, the waste tires are guided by the guide plates until the waste tires are contacted with the two fluted discs, and then are clamped tightly and are forcibly pushed into the crushing chamber to complete crushing.

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