CN212284337U

CN212284337U - Noise-reduction vertical shaft type impact crushing sand making machine

Info

Publication number: CN212284337U
Application number: CN202021976063.8U
Authority: CN
Inventors: 王建雄
Original assignee: Fujian Nonnon Technology Co ltd
Current assignee: Fujian Nonnon Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-01-05
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a noise reduction type vertical shaft type impact crushing sand making machine, which comprises a crusher and a driving mechanism, wherein the crusher comprises a shell, a feeding chamber, a crushing chamber and a rotor chamber are sequentially arranged in the crusher from top to bottom, the shell comprises a first shell arranged on the side wall of the feeding chamber, a second shell arranged on the side wall of the crushing chamber and a third shell arranged on the side wall of the rotor chamber, the first shell comprises a first outer side plate, a first buffer layer and a first inner side plate which are sequentially superposed, and the top of the feeding chamber is provided with a feeding hole; the second casing includes superimposed second curb plate, second buffer layer, second inside plate in proper order, the crushing room is equipped with the discharge gate. The utility model relates to a system sand machine field, first buffer layer and second buffer layer have the bradyseism and fall the effect of making an uproar, have reduced vibration and noise when system sand machine moves, have solved not only vibrate when broken system sand machine moves and damage equipment greatly easily, and the technical problem of noise big influence production environment moreover.

Description

Noise-reduction vertical shaft type impact crushing sand making machine

Technical Field

The utility model relates to a system sand machine field especially relates to a formula of making an uproar vertical shaft type strikes broken system sand machine of making an uproar falls.

Background

At present, the raw materials for working and crushing of the vertical shaft type impact crushing equipment comprise granite, limestone and the like, the particle size is 40-50 mm, the materials enter a cone separating disc from a central opening and are thrown by the cone separating disc into a rotor flow channel, the materials are thrown to a throwing head again under the action of centrifugal force generated by high-speed rotation of a rotor, then the materials are thrown into a crushing cavity to generate vortex kinetic energy, the materials collide with one another, and effective sand particle formation is formed. The work is broken the time because of the material stops in broken intracavity in the twinkling of an eye at broken intracavity high-speed rotation in addition to the material again, make the material violently collide each other, the noise that the in-process produced is generally at 80-95 decibels, make operational environment's noise pollution serious, the staff works in noise pollution for a long time, probably lead to staff's sense of hearing to descend, staff's physical and mental health has been influenced, and take place the striking with breaker inboard wall when the material striking, it is big to lead to the breaker vibration easily, make the crushing room in the breaker warp easily, lead to the focus skew of equipment easily for a long time, make equipment big and the noise of vibration when operation, damage equipment easily.

Chinese patent application No.: 201120078110.1 discloses dual-purpose vertical impact crusher of system sand plastic, shelf location motor and box, the bottom center installation of box throws the charging tray, the charging tray is thrown in the motor hookup, material feed inlet and broken feed inlet are established at the top of box, the discharge gate is established to the bottom of box, the workbin is installed in the top of box, the feed inlet is established at the top of workbin, feed inlet department installs the feeder hopper, material throwing blanking mouth and broken blanking mouth are established to the bottom of workbin, divide the charging tray through the regulator installation in the workbin, the bottom installation of workbin connects the material platform. When the crusher runs, materials are impacted with the crusher, large vibration is easy to generate, the deformation of the inner structure of the crusher is easy to cause, large noise is easy to generate, the production environment is influenced, the crusher adopts a bilateral motor, large space is occupied, the manufacturing and production cost of the crusher is high, and the maintenance cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a formula of making an uproar vertical shaft type that falls strikes broken system sand machine. The technical problems that when the crushing sand making machine runs, the equipment is easy to damage due to large vibration and the production environment is affected due to large noise are solved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a noise reduction type vertical shaft type impact crushing sand making machine comprises a crusher and a driving mechanism, wherein the crusher comprises a shell, a feeding chamber, a crushing chamber and a rotor chamber are sequentially arranged in the crusher from top to bottom, a rotor is rotatably arranged in the rotor chamber, and the driving mechanism drives a transmission rotor to do rotary motion; the shell comprises a first shell arranged on the side wall of the feeding chamber, a second shell arranged on the side wall of the crushing chamber and a third shell arranged on the side wall of the rotor chamber, the first shell comprises a first outer side plate, a first buffer layer and a first inner side plate which are sequentially stacked, and the top of the feeding chamber is provided with a feeding hole; the second shell comprises a second outer side plate, a second buffer layer and a second inner side plate which are sequentially stacked, the crushing chamber is provided with a discharge port, a base is arranged in the crushing chamber, a first horizontal plate is horizontally arranged on the base, one end of the first horizontal plate extends to abut against the second inner side plate, a rotary head is rotatably arranged on the base and is connected with the rotor, a connecting seat is arranged above the rotary head, a feed opening is arranged above the rotary head in the middle of the connecting seat, the feed opening is communicated with the feed chamber and the crushing chamber, a second horizontal plate is horizontally arranged on the connecting seat, one end of the second horizontal plate extends to abut against the second inner side plate, a collision surface is arranged between the first horizontal plate and the second horizontal plate, the top of the second horizontal plate is provided with at least one seat body, and an inclined rod is arranged between the seat body and the connecting seat body, the impact surface, the base, the connecting seat, the first horizontal plate and the second horizontal plate form a crushing cavity.

Further:

the striking face including support by the first ring portion that is fixed in first horizontal plate and second interior plate, support by the second ring portion that is fixed in the second horizontal plate, connect in the striking portion of first ring portion and second ring portion, striking portion lateral wall is ARC structure, striking portion inside wall is the inclined plane structure, striking portion is towards the direction downward sloping of turning round.

A buffer opening with an upward opening is formed between the top of the second inner side plate and the top of the second outer side plate, a buffer block is inserted into the buffer opening, and the buffer block covers the projection of the first horizontal plate on the second inner side plate along the projection on the second inner side plate.

At least one cushion pad is arranged at the bottom of the first horizontal plate.

And a sound absorption layer is arranged on the inner wall of the third shell.

The driving mechanism comprises a frame, a driving motor arranged on the frame, and a belt pulley mechanism connected with the crusher and the driving motor, wherein at least one vertical part which is vertically arranged is arranged on the frame, a horizontal part is arranged at the top of the vertical part, a supporting part is vertically arranged on the frame, the top of the supporting part is abutted against the horizontal part, one end of the horizontal part is fixed on the shell, a first folding part is formed at the junction of the feeding chamber and the crushing chamber on the outer wall of the shell, a first damping mechanism is arranged on the first folding part, the first damping mechanism comprises a fixed seat arranged on the outer side wall of the shell, first buffer rubber which is horizontally connected with the fixed seat, a pressure plate arranged on the first buffer rubber, and a thimble horizontally arranged on the vertical thimble part, one end part is abutted against the pressure plate, and at least one second buffer rubber is arranged on the horizontal, the second cushion rubber is clamped between the horizontal part and the shell.

The first buffer rubber is provided with at least one annular buffer ring, and the second buffer rubber is positioned right above the vertical part.

The pressure disk middle part is equipped with the bell jar, thimble tip is equipped with the top of a spherical form, the top is inserted and is located the bell jar.

An I-shaped part is arranged on the opposite surface of the crusher and the first cushioning mechanism, at least one third cushioning rubber corresponding to the second cushioning rubber is arranged at the top of the I-shaped part, and the top of the third cushioning rubber is abutted against the shell.

A second folding part is formed on the outer wall of the shell at the junction of the feeding chamber and the crushing chamber; and a second cushioning mechanism is arranged on the second folding part, and the first cushioning mechanism and the second cushioning mechanism are respectively arranged on the first folding part and the second folding part in a vertical symmetrical manner.

By adopting the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses get into the feed chamber with the material through the feed inlet in, the material gets into the crushing chamber through the feed opening, and the material falls into on the rotatory rotor, and the material irregularly moves in the crushing chamber, and the material collides each other in the crushing chamber, and the material collides with striking face, base, connecting seat, first horizontal plate and the second horizontal plate in the crushing chamber, forms effective grit grain shape after the collision; when materials collide, the crushing sand making machine vibrates, the first buffer layer and the second buffer layer have the functions of buffering and noise reduction, the first horizontal plate and the second horizontal plate are respectively abutted against the second inner side plate, when the first horizontal plate and the second horizontal plate are stressed and vibrate, small deformation can occur, and the first horizontal plate and the second horizontal plate have good buffering function in the horizontal direction; the second horizontal plate, the seat body and the inclined rod form a triangular structure, the triangular structure is good in stability, not easy to deform after being stressed, and easy to recover after being buffered and deformed; the cross sections of the impact surface, the first horizontal plate and the second inner side plate also form a triangular structure, the impact surface is abutted against and fixed on the second horizontal plate, the two triangular structures are connected and arranged, the two triangular structures interact with each other, when materials are impacted, parts of equipment are not easy to deform, the anti-impact capacity is high, the cushioning performance of a crushing chamber is good, small deformation generated after the impact is easy to recover, the vibration of the equipment after the materials are impacted can be reduced, and the noise is reduced; the side wall of the impact surface is of a cambered surface structure, and the inner side wall of the impact surface is of an inclined surface structure, so that the strength of the impact surface can be enhanced, and the impact surface is not easy to deform; furthermore, the buffer block has the function of supporting and buffering and can strengthen the force of the second inner side plate in the horizontal direction of the second horizontal plate; furthermore, at least one cushion pad is arranged at the bottom of the first horizontal plate, and the cushion pad has a supporting function to prevent the first horizontal plate from deforming; furthermore, as the noise is larger when the rotor rotates, the sound absorption layer on the inner wall of the third shell has the functions of buffering and reducing the noise; furthermore, the utility model adopts the unilateral motor, which not only reduces the space occupied by the equipment, but also greatly reduces the equipment manufacturing cost and the maintenance cost, and adopts one driving motor to reduce the noise pollution and save the energy; the utility model discloses a breaker operation, when breaker and driving motor pass through belt pulley mechanism and stimulate each other, breaker and driving motor give the acting force that the other side is close to each other, at this moment, the thimble top leans on the pressure disk, first cushion rubber has the cushioning effect of horizontal direction, first bradyseism mechanism has the pulling force effect on the horizontal direction of balanced belt pulley mechanism, the vibration of equipment operation has been reduced, prevent the slope of breaker and motor during equipment operation, also protect belt pulley mechanism, prevent that belt pulley mechanism from receiving great acting force for a long time and warping, prevent that belt pulley mechanism from skidding and driving motor transport efficiency is low during operation, make belt pulley mechanism and equipment can stable operation; the upper end and the lower end of the vertical part and the connecting end of the horizontal part and the shell form a triangular buffer structure, the end parts of the triangular buffer structure are main stress points during buffering, the triangular buffer structure is high in stability, so that the vertical part and the horizontal part are not easy to deform after being deformed and are easy to restore to the shape, the supporting part can support the horizontal part, the stress of the vertical part can be shared, and the vertical part is prevented from being deformed due to overlarge stress; the first buffer rubber has a buffering effect in the horizontal direction, the second buffer rubber has a buffering effect in the vertical direction, the second buffer rubber provides downward acting force for the horizontal part and the vertical part, and the horizontal force of the first buffer rubber and the vertical force of the second buffer rubber are slightly changed in the vibration process, so that the acting force can be effectively shared mutually, the stability of the first cushioning mechanism is better, a single-side motor with higher power can be adopted, a single-side motor with 250KW can be adopted, and the production efficiency of equipment is greatly improved; furthermore, the ejector pin is inserted into the conical groove, so that a stress point between the ejector pin and the pressure plate is fixed, and the ejector pin or the pressure plate is prevented from shifting and deforming to influence the cushioning effect; furthermore, the I-shaped part and the third buffer rubber can properly buffer and support the crusher, so that the vibration of the crusher during operation is reduced; further, the vibration of rotor chamber and crushing chamber on the breaker is great, first bradyseism mechanism in the first folding portion has the pulling force of balanced belt pulley mechanism and reduces the effect of equipment vibrations, driving motor and breaker bottom receive the tensioning force of belt pulley mechanism respectively, the top is inclined towards its opposite direction that receives the tensioning force easily, second bradyseism mechanism in the second folding portion has the effect that prevents the equipment slope, the second bradyseism mechanism makes the vibration at breaker and driving motor top reduce, the bradyseism effect is better, make the effort that is unfavorable for equipment operation that receives on driving motor and the breaker offset each other, make equipment overall operation more stable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

fig. 4 is a schematic structural view of the present invention with a second cushioning mechanism.

Detailed Description

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

Referring to fig. 1 to 4, the embodiment provides a noise reduction type vertical shaft type impact crushing sand making machine, which includes a crusher 1 and a driving mechanism, wherein the crusher 1 includes a housing, a feeding chamber 11, a crushing chamber 12 and a rotor chamber 13 are sequentially arranged in the crusher 1 from top to bottom, a rotor 131 is rotatably arranged in the rotor chamber 13, and the driving mechanism drives the transmission rotor 131 to make a rotary motion; the shell comprises a first shell 101 arranged on the side wall of the feeding chamber 11, a second shell 102 arranged on the side wall of the crushing chamber 12 and a third shell 103 arranged on the side wall of the rotor chamber 13, the first shell 101 comprises a first outer side plate 1011, a first buffer layer 1012 and a first inner side plate 1013 which are sequentially stacked, and the top of the feeding chamber 11 is provided with a feeding hole; the second shell 102 comprises a second outer plate 1021, a second buffer layer 1022 and a second inner plate 1023 which are sequentially overlapped, wherein a buffer opening 1024 with an upward opening is formed between the top of the second inner plate 1023 and the top of the second outer plate 1021, and a buffer block 1025 is inserted into the buffer opening 1024; the crushing chamber 12 is provided with a discharge port (not shown in the figure), a base 121 is arranged in the crushing chamber 12, a first horizontal plate 122 is horizontally arranged on the base 121, one end of the first horizontal plate 122 extends to abut against the second inner side plate 1023, an annular buffer pad 123 is arranged at the bottom of the first horizontal plate 122, and the projection of the buffer pad 1025 along the second inner side plate 1023 is covered on the projection of the first horizontal plate 122 along the second inner side plate 1023; the base 121 is rotatably provided with a rotary head 124, the rotary head 124 is connected to the rotor 131, a connecting seat 125 is arranged above the rotary head 124, a feed opening 1251 is arranged in the middle of the connecting seat 125 above the rotary head 124, the feed opening 1251 is communicated with the feed chamber 11 and the crushing chamber 12, a second horizontal plate 126 is horizontally arranged on the connecting seat 125, one end of the second horizontal plate 126 extends to abut against the second inner side plate 1023, an impact surface 127 is arranged between the first horizontal plate 122 and the second horizontal plate 126, the impact surface 127 comprises a first ring part 1271 abutting against the first horizontal plate 122 and the second inner side plate 1023, a second ring part 1272 abutting against the second horizontal plate 126, and an impact part 1273 connected to the first ring part 1271 and the second ring part 1272, the outer side wall of the impact part 1273 is of an arc-shaped structure, the inner side wall of the impact part 1273 is of an inclined-surface structure, and the impact part 1273 is inclined downwards; the top of the second horizontal plate 126 is provided with a plurality of seat bodies 128, an inclined rod 129 is arranged between the seat bodies 128 and the connecting seat 125, and the impact surface 127, the base 121, the connecting seat 125, the first horizontal plate 122 and the second horizontal plate 126 form a crushing cavity 120. The inner wall of the third housing 103 is provided with a sound absorption layer 1031.

The driving mechanism comprises a frame 20, a driving motor 21 arranged on the frame 20, and a belt pulley mechanism 22 connected to the crusher 1 and the driving motor 21, wherein the belt pulley mechanism 22 comprises a driving wheel 221 connected to the driving motor 21, a driven wheel 222 connected to the rotor, and at least one belt 223 covering the driving wheel and the driven wheel, a vertical portion 201 vertically arranged is arranged on the frame 20, a horizontal portion 202 is arranged at the top of the vertical portion 201, a supporting portion 203 is vertically arranged on the frame 20, the top of the supporting portion 203 abuts against the horizontal portion 202, one end of the horizontal portion 202 is fixed on the housing, a first folding portion 104 is formed at the junction of the feeding chamber 11 and the crushing chamber 12 on the outer wall of the housing, a first cushioning mechanism 3 is arranged on the first folding portion 104, the first cushioning mechanism 3 comprises a fixed seat 31 arranged on the outer side wall of the housing, a first cushion rubber 32 horizontally connected to the fixed seat 31, locate the thimble 34 of vertical portion 201 horizontally, be equipped with two annular cushion rings 321 on the first cushion rubber 32, pressure disk 33 middle part is equipped with tapered groove 331, and thimble 34 tip is equipped with the top 341 of a sphere form, and top 341 is inserted and is located tapered groove 331, thimble 34 lateral wall is equipped with the screw thread, on thimble 34 is fixed in vertical portion 201 through two nuts 35 dismantlement ground, two nuts 35 are located vertical portion 201 both sides respectively, are equipped with second cushion rubber 36 on the horizontal portion 202, and second cushion rubber 36 presss from both sides and locates between horizontal portion 202 and the casing, and second cushion rubber is located vertical portion 201 directly over. The crusher 1 is provided with an I-shaped part 4 on the opposite surface of the first cushioning mechanism 3, the top of the I-shaped part 4 is provided with a third cushioning rubber 41 corresponding to the second cushioning rubber 36, and the top of the third cushioning rubber 41 is abutted against the shell.

The first buffer layer 1012 and the second buffer layer 1022 may be made of plastic foam, sound-absorbing cotton, or other materials with buffering and noise reduction functions, as the case may be.

The sound absorbing layer 1031 may be made of sound absorbing cotton, sound absorbing plate or other materials with sound absorption function, which are well known and will not be described herein.

The first horizontal plate 122 may not be fixed to the second inner side plate 1023, and in this case, the second inner side plate 1023 has better cushioning performance, and the first horizontal plate 122 may also be fixed and welded to the second inner side plate 1023, specifically, according to circumstances.

The second horizontal plate 126 may be fixed to the second inner side plate 1023 and/or the impact surface 127, as the case may be.

The thimble 34, the driving motor 21 and the upper peeling belt wheel mechanism 22 are well known devices and will not be described herein.

The number of the first cushioning mechanisms 3 can be one, two or more, and the first cushioning mechanisms are usually arranged according to the situation, so that a good effect can be achieved by arranging the first cushioning mechanisms 3, and the first cushioning mechanisms are arranged according to the situation.

The discharge opening of the crushing chamber 12 may be provided with a valve for controlling the sand to flow in and out, or may not be provided with a valve, which is a well-known structure and will not be described herein again.

Referring to the figures, a second fold 105 is formed in the outer wall of the housing at the interface between the inlet chamber 11 and the crushing chamber 12; the second folding portion 105 is provided with a second cushioning mechanism 5, and the first cushioning mechanism 3 and the second cushioning mechanism 5 are respectively arranged on the first folding portion 104 and the second folding portion 105 in a vertically symmetrical manner. The second cushioning mechanism 5 enables the vibration at the tops of the crusher 1 and the driving motor 21 to be reduced, the cushioning effect is better, the acting force applied to the driving motor 21 and the crusher 1 and not beneficial to the operation of the equipment can be offset, and the operation of the equipment is more stable. The second cushioning mechanism is similar to the first cushioning mechanism 3 in terms of structural symmetry, and will not be described in detail herein.

The shape of the housing may be other shapes, the number of the first folding portions 104 of the housing may be one, two or more, the number of the second folding portions 105 of the housing may be one, two or more, and the housing may not be provided with the second folding portions 105, as the case may be.

The utility model discloses a working method is:

the utility model discloses in getting into feed chamber 11 with the material through the feed inlet, the material gets into crushing room 12 through feed opening 1251, the material falls into on the rotatory rotor, the material irregularly moves in crushing room 12, the material not only collides in crushing room 12, and the material collides with impact surface 127 in crushing room 12, base 121, connecting seat 125, first horizontal plate 122 and second horizontal plate 126, form effective grit grain shape after the collision, first buffer layer 1012 and the second buffer layer 1022 of casing have the effect of bradyseism and noise reduction, second horizontal plate 126, pedestal 128, slope pole 129 forms the triangle-shaped structure, impact surface 127, first horizontal plate 122, the cross section of second inner panel 1023 also forms the triangle-shaped structure, and impact surface 127 supports to lean on and is fixed in second horizontal plate 126, two triangle-shaped structural connection set up, two triangle-shaped structural interactions, the triangle-shaped structure is not only stable good, the deformation is not easy to occur after the stress, the buffer deformation is easy to recover, the vibration of the equipment during operation is reduced, and the noise is reduced. The utility model discloses a unilateral motor, when equipment moves, belt pulley mechanism 22 has the tensile force about, stimulate each other between driving motor 21 and the breaker 1, and simultaneously, first bradyseism mechanism 3 has the tensile force effect on the horizontal direction of balanced belt pulley mechanism 22, vibration when having reduced equipment moves, the slope of breaker 1 and motor when preventing equipment moves, prevent that belt pulley mechanism 22 from receiving great effort for a long time taking place to warp, prevent that belt pulley mechanism 224 from skidding and driving motor 21 conveying efficiency is low when moving, make the operation that belt pulley mechanism 224 and equipment can be stable. When the equipment moves, the top vibration is great, be equipped with second bradyseism mechanism 5 on second portion 105 of folding, reduce the vibration at equipment top, the stone striking each other in the crushing room 12, crushing room 12 atress is great, the vibration is big, crushing room 12 is located between first bradyseism mechanism 3 and the second bradyseism mechanism, the vibration of crushing room 12 has been reduced greatly, make the effort that is unfavorable for the equipment operation that receives on driving motor 21 and the breaker 1 offset each other, make the equipment operation more stable.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a formula of making an uproar vertical shaft type impact crushing system sand machine falls which characterized in that: the crusher comprises a crusher and a driving mechanism, wherein the crusher comprises a shell, a feeding chamber, a crushing chamber and a rotor chamber are sequentially arranged in the crusher from top to bottom, a rotor is rotatably arranged in the rotor chamber, and the driving mechanism drives a transmission rotor to do rotary motion; the shell comprises a first shell arranged on the side wall of the feeding chamber, a second shell arranged on the side wall of the crushing chamber and a third shell arranged on the side wall of the rotor chamber, the first shell comprises a first outer side plate, a first buffer layer and a first inner side plate which are sequentially stacked, and the top of the feeding chamber is provided with a feeding hole; the second shell comprises a second outer side plate, a second buffer layer and a second inner side plate which are sequentially stacked, the crushing chamber is provided with a discharge port, a base is arranged in the crushing chamber, a first horizontal plate is horizontally arranged on the base, one end of the first horizontal plate extends to abut against the second inner side plate, a rotary head is rotatably arranged on the base and is connected with the rotor, a connecting seat is arranged above the rotary head, a feed opening is arranged above the rotary head in the middle of the connecting seat, the feed opening is communicated with the feed chamber and the crushing chamber, a second horizontal plate is horizontally arranged on the connecting seat, one end of the second horizontal plate extends to abut against the second inner side plate, a collision surface is arranged between the first horizontal plate and the second horizontal plate, the top of the second horizontal plate is provided with at least one seat body, and an inclined rod is arranged between the seat body and the connecting seat body, the impact surface, the base, the connecting seat, the first horizontal plate and the second horizontal plate form a crushing cavity.

2. The noise-reducing vertical shaft type impact crushing sand making machine according to claim 1, characterized in that: the striking face including support by the first ring portion that is fixed in first horizontal plate and second interior plate, support by the second ring portion that is fixed in the second horizontal plate, connect in the striking portion of first ring portion and second ring portion, striking portion lateral wall is ARC structure, striking portion inside wall is the inclined plane structure, striking portion is towards the direction downward sloping of turning round.

3. The noise-reducing vertical shaft type impact crushing sand making machine according to claim 1, characterized in that: a buffer opening with an upward opening is formed between the top of the second inner side plate and the top of the second outer side plate, a buffer block is inserted into the buffer opening, and the buffer block covers the projection of the first horizontal plate on the second inner side plate along the projection on the second inner side plate.

4. The noise-reducing vertical shaft type impact crushing sand making machine according to claim 1, characterized in that: at least one cushion pad is arranged at the bottom of the first horizontal plate.

5. The noise-reducing vertical shaft type impact crushing sand making machine according to claim 1, characterized in that: and a sound absorption layer is arranged on the inner wall of the third shell.

6. A noise reducing vertical shaft impact crushing sand making machine according to any one of claims 1 to 5, wherein: the driving mechanism comprises a frame, a driving motor arranged on the frame, and a belt pulley mechanism connected with the crusher and the driving motor, wherein at least one vertical part which is vertically arranged is arranged on the frame, a horizontal part is arranged at the top of the vertical part, a supporting part is vertically arranged on the frame, the top of the supporting part is abutted against the horizontal part, one end of the horizontal part is fixed on the shell, a first folding part is formed at the junction of the feeding chamber and the crushing chamber on the outer wall of the shell, a first damping mechanism is arranged on the first folding part, the first damping mechanism comprises a fixed seat arranged on the outer side wall of the shell, first buffer rubber which is horizontally connected with the fixed seat, a pressure plate arranged on the first buffer rubber, and a thimble horizontally arranged on the vertical thimble part, one end part is abutted against the pressure plate, and at least one second buffer rubber is arranged on the horizontal, the second cushion rubber is clamped between the horizontal part and the shell.

7. The noise reduction type vertical shaft type impact crushing sand making machine according to claim 6, characterized in that: the first buffer rubber is provided with at least one annular buffer ring, and the second buffer rubber is positioned right above the vertical part.

8. The noise reduction type vertical shaft type impact crushing sand making machine according to claim 6, characterized in that: the pressure disk middle part is equipped with the bell jar, thimble tip is equipped with the top of a spherical form, the top is inserted and is located the bell jar.

9. The noise reduction type vertical shaft type impact crushing sand making machine according to claim 6, characterized in that: an I-shaped part is arranged on the opposite surface of the crusher and the first cushioning mechanism, at least one third cushioning rubber corresponding to the second cushioning rubber is arranged at the top of the I-shaped part, and the top of the third cushioning rubber is abutted against the shell.

10. The noise reduction type vertical shaft type impact crushing sand making machine according to claim 6, characterized in that: a second folding part is formed on the outer wall of the shell at the junction of the feeding chamber and the crushing chamber; and a second cushioning mechanism is arranged on the second folding part, and the first cushioning mechanism and the second cushioning mechanism are respectively arranged on the first folding part and the second folding part in a vertical symmetrical manner.