CN212284138U

CN212284138U - Movable closed-loop crushing and screening integrated machine

Info

Publication number: CN212284138U
Application number: CN202020436063.2U
Authority: CN
Inventors: 黄康华; 邓辉辉; 黄报频
Original assignee: Guangxi Meista Engineering Machinery Equipment Co ltd
Current assignee: Guangxi Meista Engineering Machinery Equipment Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-05
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a movable closed-loop crushing and screening integrated machine, which comprises a main conveyor belt, a feeding conveyor belt, a first finished product conveyor belt, a crawler belt walking assembly, a lower end support frame, a feeding device, a power assembly, a jaw crushing main machine, a front end support frame and a horizontal vibration screening device, the lower end supporting frame is horizontally fixed on the crawler traveling assembly, the feeding device is transversely arranged at the rear end of the lower end supporting frame, the feeding device, the power assembly, the jaw crushing main machine, the front end supporting frame and the horizontal vibration screening device are sequentially arranged from the rear end to the front end of the lower end supporting frame, the horizontal vibration screening device is arranged on the lower end supporting frame along the extending direction of the front end of the lower end supporting frame in a horizontal state, the feeding conveyer belt is arranged below a discharge hole of the feeding device, and the transferring conveyer belt is arranged above the horizontal vibration screening device. The utility model discloses can realize that material circulation is broken, multistage screening and transmit and noise control and dust that can be fine.

Description

Movable closed-loop crushing and screening integrated machine

Technical Field

The utility model belongs to the technical field of crushing machinery equipment, especially, relate to a portable closed loop crushing and screening all-in-one.

Background

Broken screening equipment mainly divide into fixed breaker and portable breaker, its mainly used highway, railway, the operation processing of mobile building stones such as water and electricity engineering, at present, no matter be fixed breaker or portable breaker in the market, it separately installs the use all to be single breaker, large floor area, the production line length, can't carry out the bulk movement, if want to shift place secondary use, need dismantling equipment, the platform is rebuild again, the period is long, the expense is high, all must beat the ground stake every time the use of installation, build the platform, when shifting the place, the installation is used complicacy, low efficiency, high cost, still produce great secondary pollution, unable quick convenient transfer, can't satisfy manifold operational environment demand. Meanwhile, the fixed crusher and the mobile crusher cannot complete the combination of various crushing process requirements, namely, the circular crushing and screening process of crushing before screening or crushing after screening cannot be carried out according to different crushing process requirements, so that the sand stones with different levels and different thicknesses cannot be obtained through screening. Therefore, the research and development of the crushing and screening integrated machine which is used for transition operation, small in occupied area, short in investment and construction period, less in invested auxiliary equipment and low in daily maintenance cost becomes a problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable closed loop crushing and screening all-in-one, according to the utility model discloses a screening all-in-one can realize that material circulation is broken, multistage screening and transmit to different places are transported respectively to the material after the multistage screening, noise control and dust that can be fine in the screening process. In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to one aspect of the utility model, a movable closed-loop crushing and screening integrated machine is provided, which comprises a main conveyor belt, a feeding conveyor belt, a first finished product conveyor belt, a crawler walking assembly, a lower end support frame, a feeding device, a power assembly, a jaw breaking main machine, a front end support frame and a horizontal vibration screening device, wherein the crawler walking assembly is horizontally fixed on the lower end support frame, the feeding device is transversely arranged on the rear end of the lower end support frame, the feeding device, the power assembly, the jaw breaking main machine, the front end support frame and the horizontal vibration screening device are sequentially arranged from the rear end to the front end of the lower end support frame, the horizontal vibration screening device is arranged on the lower end support frame along the front end extending direction of the lower end support frame and in a horizontal state, the feeding conveyor belt is arranged below a discharge port of the feeding device, a transfer conveyer belt is arranged above the horizontal vibration screening device, the feed conveyer belt is arranged by extending from the lower part of a discharge port of the feeding device to the front end of a lower end support frame, the feed conveyer belt is obliquely arranged between the lower part of the discharge port of the feeding device and the upper part of a feed end of the transfer conveyer belt, at least one end of the first finished product conveyer belt and the transfer conveyer belt is arranged on the front end support frame, a discharge end of the transfer conveyer belt horizontally extends to the upper part of the feed end of the horizontal vibration screening device along the front end direction of the lower end support frame, the discharge end of the horizontal vibration screening device extends to the upper part of a feed port of the jaw crushing main machine along the rear end direction of the lower end support frame, the main conveyer belt is arranged between the discharge port of the jaw crushing main machine and the feed port of the feeding device, and the feed end of the first finished product conveyer belt is arranged below the discharge end, the discharging end of the first finished product conveying belt extends out of the front end outer side of the front end supporting frame in an upward inclined mode along the direction of the front end of the lower end supporting frame, and the horizontal vibration screening device is installed in the front end supporting frame.

Above-mentioned scheme is preferred be provided with second finished product conveyer belt and third side conveyer belt from top to bottom respectively between the discharge end below of horizontal vibration screening plant and the top of first finished product conveyer belt pan feeding end, the discharge end of second finished product conveyer belt outwards just inclines upwards to stretch out to the left rear end outside of front end support frame along lower extreme support frame left side, the discharge end of third side conveyer belt outwards just inclines upwards to stretch out to the right rear end outside of front end support frame along lower extreme support frame right side.

According to the scheme, the horizontal vibration screening device comprises a screening box body with openings at the upper end and the lower end and a driving device which is fixed on the screening box body and drives the screening box body to vibrate back and forth along the horizontal direction, the lateral portion of the bottom end of the screening box body is fixed on the lower end support frame through a damping spring assembly, an upper layer screen, a middle layer screen and a lower layer screen are horizontally arranged in the screening box body from top to bottom, the discharge end of the upper layer screen is connected with the feeding end of the jaw crushing main machine, the discharge end of the middle layer screen is connected with the feeding end of a second finished product conveyor belt, the lower layer screen is connected with the feeding end of a third side conveyor belt, and a first finished product conveyor belt is arranged below the lower layer screen and extends out of the front end support frame along the direction of the front end.

Preferably, the driving device comprises a driving motor, a driving shaft and at least one eccentric shaft, the driving motor is fixed on the outer side of the bottom end of the screening box body, the driving shaft and the eccentric shaft are horizontally arranged on the side wall of the screening box body in the transverse direction, and the driving motor is in transmission connection with the eccentric shaft through the driving shaft.

According to the scheme, the feeding end of the upper screen mesh is provided with a first discharging guide plate, the discharging guide plate is arranged along the feeding end of the upper screen mesh in an outward and upward inclined mode, the discharging end of the upper screen mesh is provided with a second discharging guide plate, the discharging end of the discharging guide plate of the upper screen mesh in the outward and downward inclined mode is arranged at the feeding end of the jaw crushing main machine, first guide plates inclined towards the center of the screening box body are arranged below the edges of two sides of the middle screen mesh, second guide plates inclined towards the center of the screening box body are arranged below the edges of two sides of the lower screen mesh, and herringbone guide plates distributed from the center of the screening box body to the front direction and the back direction of the conveying direction are arranged below the center of the lower screen mesh and below a horizontal line located on the second guide plates.

Preferably, the bottom of the jaw crusher main machine is provided with a shock absorber, the bottom of the jaw crusher main machine is fixed on the lower end support frame through the shock absorber, and the jaw crusher main machine is a conical jaw crusher main machine.

Preferably, the feeding device comprises a feeding hopper, a supporting bed body and a vibrating device arranged on the outer wall of the bottom end of the supporting bed body, the supporting bed body is transversely and horizontally arranged at the rear end of the lower end supporting frame, the feeding hopper is arranged above the supporting bed body, the outer wall of the feeding hopper and the edge of the supporting bed body are arranged in a clearance mode, the outer wall of the feeding hopper is transversely and horizontally fixed at the rear end of the lower end supporting frame through a supporting vertical frame, a feeding notch is formed in the side wall edge of the feeding hopper and on the side close to the jaw breaking main machine, the feeding end of the main conveying belt extends into the feeding hopper from the feeding notch, and the outer wall of the bottom end of the supporting bed body is fixed at the rear end of the lower end supporting frame through the vibrating device; a step-shaped wear-resistant guard plate is paved on the bottom surface of the support bed body.

The bottom of the damping assembly can be fixed on the lower end support frame through an oil cylinder or a lifting support leg.

To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:

(1) the utility model discloses a circulation breakage and multilayer screening machine sets up crushing system and screening system on same frame through reasonable structural layout, and the production line is compact, area is little to be equipped with the track running gear below the frame, need not dismantle original equipment and just can realize quick moving as a whole, and when the screening all-in-one was installed, low to the work site requirement, can accelerate the cycle of installation and debugging to can expand rubble work fast;

(2) the utility model discloses a material after the multi-stage screening transports the place of difference respectively, can sieve out four kinds of specification materials gradually, can satisfy most grit material operating mode, and the coarsest material is sent into again and is broken and sieve in the broken host computer of jaw to realize that the material circulates breakage, multi-stage screening and transfer to different places and put together, fine noise control and dust among the screening process.

Drawings

Fig. 1 is a schematic diagram of the general structure of a movable circulating jaw crushing and screening integrated machine of the present invention;

FIG. 2 is a schematic of the general construction of the horizontal vibratory screening apparatus of the present invention;

FIG. 3 is a schematic view of the internal structure of the horizontal vibratory screening apparatus of the present invention;

fig. 4 is an internal structural schematic view of the transverse cross section of fig. 2 of the present invention;

fig. 5 is a schematic structural view of the feeding device of the present invention;

FIG. 6 is a schematic view of the installation structure between the support bed and the vibration device of the present invention;

in the drawings, a main conveyor belt 1, a feeding conveyor belt 2, a first finished product conveyor belt 3, a transfer conveyor belt 4, a second finished product conveyor belt 5, a third side conveyor belt 6, an upper screen 71, a middle screen 72, a lower screen 73, a first feeding guide plate 71a, a second feeding guide plate 71b, a first guide plate 72a, a second guide plate 73a, a guide plate 73b, a driving motor 74, a driving shaft 75, an eccentric shaft 76, an eccentric connecting rod 77, a driving wheel 75a, a second driven wheel 76a, a first driven wheel 75b, a crawler traveling assembly 100, a lower end support frame 200, a feeding device 300, a power assembly 400, a jaw breaking main machine 500, a front end support frame 600, a horizontal vibration screening device 700, a feeding hopper 3001, a support bed body 3002, a vibration device 3003, a support upright frame 3004, a feeding gap 3001a, a material pull rod 3001b, a vibration motor 3003a, a damping spring assembly 3003b, a bed body protection plate 3005, wear plate 3006.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1, 2 and 3, the movable circulating jaw crushing and screening integrated machine according to the present invention comprises a main conveyor 1, a feeding conveyor 2, a first finished product conveyor 3, a track walking assembly 100, a lower end support frame 200, a feeding device 300, a power assembly 400, a jaw crushing main machine 500, a front end support frame 600 and a horizontal vibrating screening device 700, wherein the lower end support frame 200 is horizontally fixed on the track walking assembly 100, the feeding device 300 is transversely installed on the rear end of the lower end support frame 200, the feeding device 300, the power assembly 400, the jaw crushing main machine 500, the front end support frame 600 and the horizontal vibrating screening device 700 are sequentially installed from the rear end to the front end of the lower end support frame 200, the horizontal vibrating screening device 700 is installed on the lower end support frame 200 along the front end extending direction of the lower end support frame 200 and in a horizontal state, the feeding conveyer belt 2 is arranged below the discharge port of the feeding device 300, the transfer conveyer belt 4 is arranged above the horizontal vibrating screening device 700, a shield (not shown) is arranged on the transfer conveyer belt 4 to prevent sand and stone materials on the transfer conveyer belt 4 from scattering, the feeding conveyer belt 2 is arranged by extending the front end of the lower end support frame 200 below the discharge port of the feeding device 300, the feeding conveyer belt 2 is obliquely arranged between the discharge port of the feeding device 300 and the feed end of the transfer conveyer belt 4, at least one end of the first finished product conveyer belt 3 and the transfer conveyer belt 4 is arranged on the front end support frame 600, the discharge end of the transfer conveyer belt 4 horizontally extends to the upper side of the feed end of the horizontal vibrating screening device 700 along the direction of the front end of the lower end support frame 200, and the discharge end of the horizontal vibrating screening device 700 extends to the upper side of the feed port of the jaw breaking main machine 500 towards the direction of the rear end of the lower end support frame 200 The main conveyor belt 1 is arranged between a discharge port of the jaw crushing main machine 500 and a discharge port of the feeding device 300, a feeding end of the first finished product conveyor belt 3 is arranged below a discharge end of the horizontal vibration screening device 700, the discharge end of the first finished product conveyor belt 3 extends out of the front end support frame 600 along the direction of the front end of the lower end support frame 200 and upwards slantwise, and the horizontal vibration screening device 700 is arranged in the front end support frame 600; a shock absorber (not shown) is arranged at the bottom of the jaw crusher main body 500, the bottom of the jaw crusher main body 500 is fixed on the lower end support frame 200 through the shock absorber, the jaw crusher main body 500 is a conical jaw crusher main body, and the power assembly 400 is in transmission connection with the crawler traveling assembly 100 and provides power for the crawler traveling assembly 100.

In the present invention, a second finished product conveyor belt 5 and a third finished product conveyor belt 6 are respectively disposed from top to bottom between the lower side of the discharge end of the horizontal vibrating screen device 700 and the upper side of the feeding end of the first finished product conveyor belt 3, the discharge end of the second finished product conveyor belt 5 extends outward along the left side of the lower end support frame 200 and obliquely upward to the outside of the left rear end of the front end support frame 600, and the discharge end of the third finished product conveyor belt 6 extends outward along the right side of the lower end support frame 200 and obliquely upward to the outside of the right rear end of the front end support frame 600; the horizontal vibration screening device 700 comprises a screening box body 70 with openings at the upper end and the lower end, and a driving device which is fixed on the screening box body 70 and drives the screening box body 70 to vibrate back and forth along the horizontal direction, the side part of the bottom end of the screening box body 70 is fixed on the lower end support frame 200 through a shock absorption assembly, an upper layer screen 71, a middle layer screen 72 and a lower layer screen 73 are horizontally arranged in the screening box body 70 from top to bottom, the bottom of the shock absorption assembly can be fixed on the lower end support frame 200 through an oil cylinder or a lifting support leg so as to adjust the horizontal height of a shock absorption spring set, the shock absorption assembly is a shock absorption spring assembly so as to adjust the inclination of the three layers of horizontal screens, so that the screening efficiency and the productivity of the three layers of screens are higher, the discharge end of the upper layer screen 71 is connected with the feed end of the jaw crusher 500, the discharge end of the middle layer, the lower-layer screen 73 is connected with the feeding end of the third side conveyor belt 6, and the first finished product conveyor belt 3 is arranged below the lower-layer screen 73, extends along the direction of the front end of the lower-end support rack 200 and upwards extends to the outer side of the front end of the front-end support rack 600 in an inclined manner; outside material carries to material loading conveyer belt 2 in through excavator or loader or one-level breaker, and the horizontal vibration screening plant 700 that gets into carries out the horizontal sieve after carrying transport conveyer belt 4 via material loading conveyer belt 2 again, and the horizontal sieve is upper screen 71, middle level screen 72 and lower floor's screen 73 three-layer screen cloth, can sieve out four kinds of specification materials gradually: the material sieved by the upper-layer screen mesh 71 enters the conical jaw crushing main machine 500 for secondary crushing, and then enters the feeding conveyer belt 2 again through the feeding conveyer belt 2; the material screened out by the middle-layer screen 72 enters the second finished product conveyor belt 5 at the left side edge through the material receiving device and is conveyed to a material stacking point; the material screened by the lower layer screen 73 enters the third side conveyor belt 6 at the right side edge through the material receiving device and is conveyed to a material stacking point; the fourth layer of material screened by the lower layer of screen mesh 73 finally enters the first finished product conveyer belt 3 extending along the front of the lower end support frame 200 and is conveyed to the material stacking point by the first finished product conveyer belt 3, so that the sand and stone materials with different thicknesses and sizes at various layers can be screened quickly and conveniently.

In the utility model, a first material-discharging guide plate 71a is arranged at the material-feeding end of the upper screen 71, the material-discharging guide plate 71a is arranged along the material-feeding end of the upper screen 71 to incline upwards, the material transferred by the transfer conveyer belt 4 falls to the material-discharging guide plate 71a, the upper screen 71 is gradually vibrated and screened to fall into the middle screen 72 for secondary screening, the remaining material which is not screened is horizontally screened to move forwards to the material-discharging end of the upper screen 71, a second material-discharging guide plate 71b is arranged at the material-discharging end of the upper screen 71, the material-discharging guide plate 71b is arranged along the material-discharging end of the upper screen 71 to incline downwards to the material-feeding end of the jaw-breaking main machine 500, the remaining material which is not screened falls from the second material-discharging guide plate 71b to the jaw-breaking main machine 500 for secondary crushing, a first material-guiding plate 72a which inclines towards the center of the screening box 70 is arranged below the two side edges of the middle screen 72, the material that the upper screen 71 vibrates horizontally slides down to the center of the lower screen 73 through the first material guiding plate 72a, so as to reduce the material from dispersing on the lower screen 73 at will, and then horizontal vibration screening is performed on the lower screen 73 again, the second material guiding plate 73a inclined to the center of the screening box 70 is arranged below the two side edges of the lower screen 73, and the herringbone flow guiding plates 73b distributed from the center of the screening box 70 to the positive and negative directions of the conveying direction of the first finished product conveying belt 3 are arranged below the center of the lower screen 73 and below the horizontal line of the second material guiding plate 73a, so as to slide the lower screen 73 to the first finished product conveying belt 3, and then the material is uniformly stacked on the first finished product conveying belt 3 to be conveyed to the material stacking point.

In the present invention, the driving means includes a driving motor 74, a driving shaft 75 and at least one eccentric shaft 76, the driving motor 74 is fixed at the outside of the bottom end of the sieving box 70, the driving shaft 75 and the eccentric shaft 76 are horizontally arranged on the side wall of the sieving box 70, the driving motor 74 is in transmission connection with the eccentric shaft 75 through the driving shaft 75, a rotating wheel 74a is arranged on the output shaft of the driving motor 74, the rotating wheel 74a on the output shaft of the driving motor 74 is in transmission connection with the driving wheel 75a through a belt, a driving wheel 75a and a first driven wheel 75b are arranged at both ends of the driving shaft 75, a second driven wheel 76a is arranged on the eccentric shaft 76, the second driven wheel 76a and the first driven wheel 75b are located at the same side of the outside of the sieving box 70, the second driven wheel 76a and the first driven wheel 75b are in transmission connection through an eccentric connecting rod 77, the number of the eccentric shafts 76 is two or more, the second driven wheels 76a of each eccentric shaft 76 are also in transmission connection through the eccentric shafts, when the driving motor 74 rotates, the driving shaft 75 is driven to rotate, the first driven wheels 75b of the driving shaft 75 drive the eccentric shafts 75 to rotate through the eccentric connecting rods 77, and therefore the screening boxes 70 are driven to reciprocate horizontally to perform vibratory screening.

The feeding device 300 comprises a feeding hopper 3001, a supporting bed body 3002 and a vibrating device 3003 arranged on the outer wall of the bottom end of the supporting bed body 3002, wherein the supporting bed body 3002 is transversely and horizontally arranged at the rear end of the lower end supporting rack 200, the feeding hopper 3001 is arranged above the supporting bed body 3002, the outer wall of the feeding hopper 3001 and the edge of the supporting bed body 3002 are arranged in a clearance manner, the outer wall of the feeding hopper 3001 is transversely and horizontally fixed at the rear end of the lower end supporting rack 200 through a supporting vertical rack 3004, a feeding notch 3001a is arranged at the edge of the side wall of the feeding hopper 3001 and close to one side of the jaw breaking host 500, the feeding end of the main conveyor belt 1 extends into the feeding hopper 3001 from the feeding notch 3001a, and the outer wall of the bottom end of the supporting bed body 3002 is fixed at the rear end of the lower end supporting rack 200 through the vibrating device 3003; the rear end and the both sides edge that support the bed body 3002 are provided with bed body backplate 3005, the lateral wall of hopper 3001 below is along bed body backplate 3005's inside wall border and is the clearance setting be provided with feed pull rod 3001b between two inside walls of hopper 3001, this feed pull rod 3001b is close to support rear end one side of bed body 3002. The gap spacing distance between the outer side wall below the feeding hopper 3001 and the inner side wall of the bed body protection plate 3005 is 0.6-3 mm; in the present invention, more specifically, the vibration device 3003 includes a vibration motor 3003a and a damping spring assembly 3003b, the vibration motor 3003a is installed on the outer wall of the bottom of the front end of the support bed 3002, and the outer wall of the support bed 3002 is installed on the lower end support frame 200 through the damping spring assembly 3003 b; a step-shaped wear-resistant protection plate 3006 is laid on the bottom surface of the support bed body 3002 to prevent the support bed body 3002 from being excessively damaged in the falling process of materials; the vibrating motor 3003a is obliquely arranged on the outer wall of the bottom end of the supporting bed body 3002 and is obliquely arranged from the front end to the rear end of the supporting bed body 3002, after vibration is started, the materials are fed into the feeding device 300 through an excavator or a loader, and when the crushed stone materials fall from the feeding hopper 3001 to the supporting bed body 3002, the supporting bed body 3002 is driven to vibrate back and forth on the damping spring assembly 3003b, so that a gap between the supporting bed body 3002 and the feeding hopper 3001 is formed between the materials, and the materials are vibrated to slide to the feeding conveyor belt 2, because the amplitude of the vibrating motor 3003 is very small, the gap between the outer side wall below the feeding hopper 3001 and the inner side wall of the bed body protection plate 3005 is small, so that touch cannot occur, and the vibrating motor can vibrate the bed body protection plate 3005 to work under a relatively stable condition and can vibrate the materials to slide to the feeding conveyor belt 2 to convey the materials, the transfer and feeding of the hopper bring great convenience; unloading vibration in-process material does not take place the card material phenomenon in hopper 3001 and between hopper 3001 and the support bed body 3002, transfers to horizontal vibration screening plant 700 to sieve from feeder 300 vibration whereabouts to material conveying belt 2 when the material to can not cause the phenomenon of piling up the material, keep the smooth and easy operation of defeated material.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a portable closed loop crushing and screening all-in-one which characterized in that: the device comprises a main conveyor belt, a feeding conveyor belt, a first finished product conveyor belt, a track walking assembly, a lower end supporting rack, a feeding device, a power assembly, a jaw breaking main machine, a front end supporting rack and a horizontal vibration screening device, wherein the lower end supporting rack is horizontally fixed on the track walking assembly, the feeding device is transversely installed at the rear end of the lower end supporting rack, the feeding device, the power assembly, the jaw breaking main machine, the front end supporting rack and the horizontal vibration screening device are sequentially installed from the rear end to the front end of the lower end supporting rack, the horizontal vibration screening device is installed on the lower end supporting rack in a horizontal state along the front end extending direction of the lower end supporting rack, the feeding conveyor belt is arranged below a discharge port of the feeding device, a transfer conveyor belt is arranged above the horizontal vibration screening device, and the feeding conveyor belt extends from the discharge port of the feeding device to the front end of the lower end supporting rack, the feeding conveyer belt is obliquely arranged between the lower part of a discharge port of the feeding device and the upper part of a feeding end of the transferring conveyer belt, at least one end of the first finished product conveyer belt and the transferring conveyer belt is arranged on the front end support frame, the discharge end of the transferring conveyer belt horizontally extends to the upper part of the feeding end of the horizontal vibration screening device along the front end direction of the lower end support frame, the discharge end of the horizontal vibration screening device extends to the upper part of a feeding port of the jaw crushing main machine towards the rear end direction of the lower end support frame, the main conveyer belt is arranged between the discharge port of the jaw crushing main machine and the feeding port of the feeding device, the feeding end of the first finished product conveyer belt is arranged below the discharge end of the horizontal vibration screening device, and the discharge end of the first finished product conveyer belt extends to the outer side of the front end support frame along the front end direction of the lower end support frame and upwards obliquely, the horizontal vibration screening device is arranged in the front end support frame.

2. The mobile closed-loop crushing and screening all-in-one machine according to claim 1, wherein: horizontal vibration screening device's discharge end below and the top of first finished product conveyer belt pan feeding end are provided with second finished product conveyer belt and third side conveyer belt from top to bottom respectively, the discharge end of second finished product conveyer belt outwards just inclines upwards to stretch out to the left rear end outside of front end support frame along lower extreme support frame left side, the discharge end of third side conveyer belt outwards just inclines upwards to stretch out to the right rear end outside of front end support frame along lower extreme support frame right side.

3. The mobile closed-loop crushing and screening all-in-one machine according to claim 2, wherein: the horizontal vibration screening device comprises a screening box body with an upper end and a lower end open and a driving device which is fixed on the screening box body and drives the screening box body to vibrate back and forth along the horizontal direction, the bottom side portion of the screening box body is fixed on the lower end supporting rack through a damping spring assembly, an upper layer screen, a middle layer screen and a lower layer screen are horizontally arranged in the screening box body from top to bottom, the discharge end of the upper layer screen is connected with the feeding end of the jaw crushing main machine, the discharge end of the middle layer screen is connected with the feeding end of a second finished product conveying belt, the lower layer screen is connected with the feeding end of a third side conveying belt, and a first finished product conveying belt is arranged below the lower layer screen and follows the lower end supporting rack and extends out of the front end supporting rack in the direction of.

4. The mobile closed-loop crushing and screening all-in-one machine according to claim 3, wherein: the driving device comprises a driving motor, a driving shaft and at least one eccentric shaft, the driving motor is fixed on the outer side of the bottom end of the screening box body, the driving shaft and the eccentric shaft are horizontally arranged on the side wall of the screening box body in the transverse direction, and the driving motor is in transmission connection with the eccentric shaft through the driving shaft.

5. The mobile closed-loop crushing and screening all-in-one machine according to claim 3, wherein: the feeding end of the upper screen is provided with a first discharging guide plate, the discharging guide plate is arranged along the feeding end of the upper screen in an outward and upward inclined mode, the discharging end of the upper screen is provided with a second discharging guide plate, the discharging end of the discharging guide plate of the upper screen in the outward and downward inclined mode is arranged at the feeding end of the jaw crushing main machine, first guide plates inclined towards the center of the screening box body are arranged below edges of two sides of the middle screen, second guide plates inclined towards the center of the screening box body are arranged below edges of two sides of the lower screen in the center, and guide plates distributed from the center of the screening box body to the front direction and the back direction of the conveying direction are arranged below a horizontal line of the second guide plates below the center of the lower screen in the center.

6. The mobile closed-loop crushing and screening all-in-one machine according to claim 1, wherein: the bottom of the jaw crusher main machine is provided with a shock absorber, the bottom of the jaw crusher main machine is fixed on the lower end support frame through the shock absorber, and the jaw crusher main machine is a conical jaw crusher main machine.

7. The mobile closed-loop crushing and screening all-in-one machine according to claim 1, wherein: the feeding device comprises a feeding hopper, a supporting bed body and a vibrating device arranged on the outer wall of the bottom end of the supporting bed body, the supporting bed body is transversely and horizontally arranged at the rear end of a lower end supporting frame, the feeding hopper is arranged above the supporting bed body, the outer wall of the feeding hopper and the edge of the supporting bed body are arranged in a clearance mode, the outer wall of the feeding hopper is transversely and horizontally fixed at the rear end of the lower end supporting frame through a supporting vertical frame, a feeding notch is formed in the edge of the side wall of the feeding hopper and on one side close to the jaw breaking host machine, the feeding end of the main conveying belt extends into the feeding hopper from the feeding notch, and the outer wall of the bottom end of the supporting bed body is fixed at the rear end of the lower end supporting frame through the vibrating device; a step-shaped wear-resistant guard plate is paved on the bottom surface of the support bed body.

8. The mobile closed-loop crushing and screening all-in-one machine according to claim 3, wherein: the bottom of the damping component can be fixed on the lower end support frame through an oil cylinder or a lifting support leg.