Rock wool board crushing equipment with scrap recovery function

Abstract

The application discloses a rock wool board crushing equipment with a crushed material recycling function and relates to the technical field of crushing equipment.The rock wool board crushing equipment comprises a negative pressure system, a control system and a rack, a plurality of rollers are arranged on the rack, conveying belts are arranged on the rollers, rock wool boards are in contact with the conveying belts, a supporting frame is arranged above the rack, a cutting cover is installed below the supporting frame, the cutting cover is connected with the negative pressure system through a pipeline, a driving motor is installed on the cutting cover, a first cam is installed in the cutting cover, transverse cutting pieces are arranged on the first cam, longitudinal cutting pieces are installed on one side of the first cam, a crushing box is installed on one side of the conveying belt, a second cam is installed in the crushing box, pressing plates are installed on two sides of the second cam, a filter screen is installed below the second cam, and the filter screen is brushed by brushes on a blowing plate, so that the rock wool boards are not easily deposited on the filter screen, the filter screen is prevented from being blocked, and the normal filtering effect of the filter screen is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of crushing equipment, in particular to a rock wool board crushing equipment with a crushed material recovery function. Background Art

[0002] Rockwool board crushing equipment is widely used in the recycling and processing of waste rockwool insulation boards. Because it can break down waste rockwool boards into reusable small pieces or powder, this equipment plays a vital role in environmental protection and resource recovery. By using crushing equipment, waste rockwool boards can be reused, reducing waste and promoting resource recycling.

[0003] The existing rock wool board crushing equipment has the following main problems: (1) the filter screen is very easy to clog and it is difficult to meet the use requirements; (2) the rock wool board is not cut first, which causes the crushing equipment to get stuck. Summary of the Invention

[0004] The purpose of the present invention is to provide a rock wool board crushing device with a crushed material recovery function to solve the problems raised in the prior art.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a rock wool board crushing equipment with a debris recovery function, comprising a negative pressure system and a control system, comprising a frame, a plurality of rollers provided on the frame, a plurality of rollers provided with conveyor belts, the conveyor belts being in contact with rock wool boards, a support frame provided above the frame, a cutting cover installed below the support frame, the cutting cover being connected to the negative pressure system through a pipeline, a driving motor installed on the cutting cover, a first cam installed in the cutting cover, a transverse cutting blade provided on the first cam, a longitudinal cutting blade installed on one side of the first cam, a crushing box installed on one side of the conveyor belt, a second cam installed in the crushing box, extrusion plates installed on both sides of the second cam, and a filter installed below the second cam.

[0006] The crushing box is mounted on the frame, a transmission shaft is provided in the middle of the second cam, both ends of the transmission shaft are rotatably mounted on the crushing box, one end of the transmission shaft passes through the crushing box and is connected to the output shaft of the crushing motor, the crushing motor is mounted on the crushing box, a discharge port is provided at the bottom of the crushing box, two groups of sliding grooves are provided on the inner wall of the crushing box, two groups of extrusion plates are provided, and the two groups of extrusion plates are respectively slidably mounted on the two groups of sliding grooves, a plurality of protrusions are provided on the outer side of the second cam, and the protrusions on the outer side of the second cam abut against the two groups of extrusion plates;

[0007] A reset tension spring is connected between one side of the extrusion plate and the crushing box. A plurality of teeth are provided on the extrusion plate. Following plates are slidably mounted on the plurality of teeth. A first spring is connected between the following plate and the extrusion plate.

[0008] A pressurizing box is provided on the inner wall of the crushing box axially opposite to the second cam, the middle part of the pressurizing box is sleeved on the transmission shaft, a pressurizing plate is slidably installed in the pressurizing box, and the pressurizing plate and the side opposite to the second cam are respectively provided with protrusions abutting against each other, and the pressurizing plate and the bottom of the pressurizing box are connected by a second spring;

[0009] A fixed plate is installed below the second cam, and the fixed plate is installed on the crushing box. A rectangular groove is provided in the middle of the fixed plate, and the filter is provided in the rectangular groove. The filter prevents external debris from entering. A blowing plate is slidably installed in the rectangular groove. The blowing plate is hollow inside, and a plurality of blowing holes are provided on one side of the blowing plate. The other side of the blowing plate is connected to the fixed plate through a third spring, and both ends of the third spring are electrically connected to the control system. A brush is provided at the bottom of the blowing plate, and the brush is in contact with the filter.

[0010] The pressurizing box is provided with an air inlet and an air outlet, the air inlet is connected to the outside air, the air outlet is connected to the inlet of the air storage box through a pipeline, the outlet of the air storage box is connected to the inlet of the vacuum pump through a pipeline, and the outlet of the vacuum pump is connected to the blowing plate through a pipeline passing through the crushing box;

[0011] The pipes connecting the air inlet, air outlet and air storage tank are all installed with pressure sensors, solenoid valves and flow meters. The air storage tank is also installed with a relief valve. The relief valve, pressure sensor, solenoid valve and flow meter are all electrically connected to the control system.

[0012] Two groups of guide plates are sequentially arranged below the fixed plate, and two groups of crushing wheels are installed between the two groups of guide plates. The two groups of crushing wheels have electric drum structures inside. The two groups of crushing wheels are installed on the crushing box, and a screen is provided on the lowest guide plate;

[0013] A plurality of first magnets are provided on the screen, and a plurality of second magnets are provided in the two groups of crushing wheels, wherein the first magnets and the second magnets have different magnetic properties.

[0014] When the two sets of crushing wheels rotate, the second magnet rotates with the crushing wheels. When the second magnet approaches the first magnet on the screen, the first magnet drives the screen to protrude upward under the attraction of the magnetic field; when the second magnet moves away from the screen, the screen drives the first magnet to protrude downward under the action of its own elastic force. As the two sets of crushing wheels continue to rotate, the screen continues to vibrate, so that the crushed rock wool board can pass through the screen quickly to prevent the screen from being blocked.

[0015] The interior of the cutting cover is hollow, the output shaft of the driving motor is connected to a rotating shaft, the rotating shaft is rotatably mounted on the cutting cover, a guide rail is mounted on one side of the rotating shaft, the guide rail is mounted on the cutting cover, a plurality of first cams are provided, and the plurality of first cams are sequentially mounted on the rotating shaft;

[0016] Several protrusions are provided on one side of the first cam, and the transverse cutting piece is provided on the other side of the first cam. Multiple groups of follower plates are slidably installed on the guide rail, and each group of follower plates is connected to the guide rail through a fourth spring. A roller is provided at one end of the follower plate, and the roller abuts against the protrusion on the first cam.

[0017] A transverse motor is installed on each follower plate, and the transverse cutting blade is installed on the output shaft of the transverse motor. The transverse cutting blade is a semicircular blade.

[0018] The upper side of the cutting cover is connected with a telescopic rod of a telescopic cylinder, and the telescopic cylinder is installed on a supporting frame.

[0019] The driving motor, the transverse motor and the crushing motor are equipped with built-in encoders, and the encoders are electrically connected to the control system.

[0020] A control panel is provided on the frame, and a control system is provided in the control panel.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. Cut the rock wool board into small pieces for easy crushing. The protrusion on the first cam pushes the follower plate to the right, which drives the transverse motor and transverse cutting blade to move to the right synchronously to cut the rock wool board horizontally. Since several transverse motors, transverse cutting blades and follower plates are set on the guide rail, the rock wool board can be cut horizontally. After being cut by the transverse cutting blade and the longitudinal cutting blade, the rock wool board becomes several small pieces for easy crushing, improving crushing efficiency and preventing the crushing equipment from getting stuck.

[0023] 2. Air jet cleaning of the filter to prevent clogging. When powdered rock wool falls on the filter, the control system simultaneously switches the third spring on and off continuously. When the third spring is energized, it shortens as a whole, pulling the blowing plate from one end of the rectangular slot to the other. When the third spring is de-energized, it pushes the blowing plate in the opposite direction under its own elastic force. When the third spring is energized and off, the control system opens the solenoid valve in the outlet pipe of the air storage tank, allowing the pressurized air in the air storage tank to be transported through the pipe to the blowing plate, and then sprayed onto the filter through the blowing holes on the blowing plate. The brush on the blowing plate then scrubs the filter, preventing the rock wool from depositing on the filter, preventing clogging and ensuring the normal filtering effect of the filter.

[0024] 3. After the rock wool board is squeezed into powder, it is crushed to make the rock wool board finer. The protrusion on the outside of the second cam pushes the squeezing plate to move closer to the inner wall of the crushing box. The squeezing plate compresses the reset spring and drives the following plate to move toward the inner wall of the crushing box. The following plate squeezes the small pieces of rock wool board. The following plate compresses the first spring and the teeth on the squeezing plate further squeeze and crush the small pieces of rock wool board, making the rock wool board finer and improving the crushing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic structural diagram of the present invention as a whole;

[0026] Figure 2 It is a schematic structural diagram of the cutting cover in the present invention;

[0027] Figure 3 It is a structural schematic diagram of the driving motor in the present invention;

[0028] Figure 4 It is a schematic structural diagram of the longitudinal cutting piece and the transverse cutting piece in the present invention;

[0029] Figure 5 It is a structural schematic diagram of the first cam in the present invention;

[0030] Figure 6 This is a schematic diagram of the internal structure of the crushing box in the present invention;

[0031] Figure 7 It is a structural schematic diagram of the second cam in the present invention;

[0032] Figure 8 It is a structural diagram of the filter screen in the present invention;

[0033] Figure 9 It is a schematic structural diagram of the screen in the present invention;

[0034] Figure 10 It is a structural schematic diagram of the pressure plate in the present invention.

[0035] In the figure: 1. control panel; 11. frame; 111. roller; 112. conveyor belt; 113. support frame; 12. cutting cover; 121. guide rail; 122. follower plate; 123. transverse motor; 124. telescopic cylinder; 125. fourth spring; 2. drive motor; 201. rotating shaft; 21. first cam; 211. transverse cutting blade; 212. longitudinal cutting blade; 3. crushing box; 301. fixed plate; 31. second cam; 311. transmission shaft; 312. crushing motor; 32. extrusion plate; 321. follower plate; 33. filter; 331. blowing plate; 332. third spring; 34. pressurizing box; 341. pressurizing plate; 342. air inlet; 343. air outlet; 35. guide plate; 351. crushing wheel; 352. screen. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] Example: Figures 1-10 As shown, the present invention provides a technical solution of a rock wool board crushing equipment with a debris recovery function, including a frame 11, a negative pressure system and a control system. A plurality of rollers 111 are provided on the frame 11, and a conveyor belt 112 is provided on the plurality of rollers 111. The conveyor belt 112 contacts the rock wool board. A support frame 113 is provided above the frame 11, and a cutting cover 12 is installed below the support frame 113. The cutting cover 12 is connected to the negative pressure system (not shown in the figure) through a pipeline. The negative pressure system absorbs the debris in the rock wool board cutting process, a driving motor 2 is installed on the cutting cover 12, a first cam 21 is installed in the cutting cover 12, a transverse cutting blade 211 is provided on the first cam 21, and a longitudinal cutting blade 212 is installed on one side of the first cam 21, a crushing box 3 is installed on one side of the conveyor belt 112, a second cam 31 is installed in the crushing box 3, extrusion plates 32 are installed on both sides of the second cam 31, and a filter screen 33 is installed below the second cam 31. A control panel 1 is provided on the frame 11, and a control system is provided in the control panel 1.

[0038] The crushing box 3 is installed on the frame 11, and a transmission shaft 311 is provided in the middle of the second cam 31. Both ends of the transmission shaft 311 are rotatably installed on the crushing box 3. One end of the transmission shaft 311 passes through the crushing box 3 and is connected to the output shaft of the crushing motor 312. The crushing motor 312 is installed on the crushing box 3. A discharge port is provided at the bottom of the crushing box 3. Two groups of sliding grooves are provided on the inner wall of the crushing box 3. Two groups of extrusion plates 32 are provided. The two groups of extrusion plates 32 are slidably installed on the two groups of sliding grooves respectively. A number of protrusions are provided on the outside of the second cam 31, and the protrusions on the outside of the second cam 31 abut against the two groups of extrusion plates 32; a reset spring is connected between one side of the extrusion plate 32 and the crushing box 3, and a number of teeth are provided on the extrusion plate 32. Following plates 321 are slidably installed on the several teeth, and a first spring is connected between the following plate 321 and the extrusion plate 32.

[0039] The second cam 31 is axially opposite to the inner wall of the crushing box 3, and a pressure box 34 is provided on the middle part of the pressure box 34, and the middle part of the pressure box 34 is sleeved on the transmission shaft 311. A pressure plate 341 is slidably installed in the pressure box 34, and the pressure plate 341 and the side opposite to the second cam 31 are respectively provided with protrusions that abut against each other, and the pressure plate 341 and the bottom of the pressure box 34 are connected by a second spring; a fixing plate 301 is installed below the second cam 31, and the fixing plate 301 is installed on the crushing box 3, and a rectangular groove is provided in the middle of the fixing plate 301, and a filter screen 33 is provided in the rectangular groove. The filter screen 33 prevents external debris from entering, and a blowing plate 331 is slidably installed in the rectangular groove. The blowing plate 331 is hollow inside, and a plurality of blowing holes are provided on one side of the blowing plate 331. The other side of the blowing plate 331 is connected by a third spring. 332 is connected to the fixed plate 301, and both ends of the third spring 332 are electrically connected to the control system. A brush (not shown in the figure) is provided at the bottom of the blowing plate 331, and the brush is in contact with the filter 33; an air inlet 342 and an air outlet 343 are provided on the pressurizing box 34, the air inlet 342 is connected to the outside air, and the air outlet 343 is connected to the inlet of the air storage box through a pipe, and the outlet of the air storage box is connected to the inlet of the vacuum pump through a pipe, and the outlet of the vacuum pump (not shown in the figure) is connected to the blowing plate 331 through a pipe passing through the crushing box 3; pressure sensors, solenoid valves and flow meters are installed in the pipes connecting the air inlet 342, the air outlet 343 and the air storage box, and the air storage box is also equipped with a relief valve, and the relief valve, pressure sensor, solenoid valve and flow meter are all electrically connected to the control system.

[0040] Two groups of guide plates 35 are sequentially arranged below the fixed plate 301, and two groups of crushing wheels 351 are installed between the two groups of guide plates 35. The two groups of crushing wheels 351 have an electric drum structure inside. The two groups of crushing wheels 351 are installed on the crushing box 3, and a screen 352 is provided on the lowest guide plate 35; a plurality of first magnets are provided on the screen 352, and a plurality of second magnets are provided in the two groups of crushing wheels 351, and the first magnets and the second magnets have different magnetic properties.

[0041] When the two sets of crushing wheels 351 rotate, the second magnet rotates along with the crushing wheels 351. When the second magnet approaches the first magnet on the screen 352, the first magnet drives the screen 352 to protrude upward under the attraction of the magnetic field; when the second magnet moves away from the screen 352, the screen 352 drives the first magnet to protrude downward under the action of its own elastic force. As the two sets of crushing wheels 351 continue to rotate, the screen 352 continues to vibrate, so that the crushed rock wool board can quickly pass through the screen 352 to prevent the screen 352 from being blocked.

[0042] The interior of the cutting cover 12 is hollow, and the output shaft of the driving motor 2 is connected to the rotating shaft 201, and the rotating shaft 201 is rotatably mounted on the cutting cover 12. A guide rail 121 is installed on one side of the rotating shaft 201, and the guide rail 121 is installed on the cutting cover 12. There are multiple groups of first cams 21, and multiple groups of first cams 21 are sequentially installed on the rotating shaft 201; a plurality of protrusions are provided on one side of the first cam 21, and a transverse cutting blade 211 is provided on the other side of the first cam 21. Multiple groups of follower plates 122 are slidably mounted on the guide rail 121, and each group of follower plates 122 is passed through The fourth spring 125 is connected to the guide rail 121, and a roller is provided at one end of the follower plate 122, which abuts against the protrusion on the first cam 21. The telescopic rod of the telescopic cylinder 124 is connected to the upper side of the cutting cover 12, and the telescopic cylinder 124 is installed on the support frame 113; each follower plate 122 is installed with a transverse motor 123, and the transverse cutting blade 211 is installed on the output shaft of the transverse motor 123, and the transverse cutting blade 211 is a semicircular blade; the drive motor 2, the transverse motor 123 and the crushing motor 312 are equipped with encoders, and the encoders are electrically connected to the control system.

[0043] Working principle: The staff places the rock wool board on the conveyor belt 112 and presses the start button on the control panel 1. The crushing equipment starts, the roller 111 drives the conveyor belt 112 to move forward, and the conveyor belt 112 drives the rock wool board to move toward the cutting cover 12;

[0044] When the rock wool board moves to the bottom of the cutting cover 12, the encoder in the roller 111 feeds back the displacement data of the rock wool board to the control system, and the control system energizes the fourth spring 125. Each turn of the fourth spring 125 generates a mutually attractive magnetic field, which compresses the fourth spring 125, causing the fourth spring 125 to shorten as a whole. The fourth spring 125 pulls the follower plate 122 to move away from the first cam 21, so that the follower plate 122 does not contact the protrusion on the side of the first cam 21.

[0045] The control system simultaneously drives the cutting cover 12 to move downward via the telescopic cylinder 124, and the drive motor 2 drives the multiple sets of first cams 21 to rotate via the rotating shaft 201. The multiple sets of first cams 21 respectively drive the multiple sets of longitudinal cutting blades 212 to rotate accordingly. The rock wool board is cut into long strips by the multiple sets of longitudinal cutting blades 212, and the long strips of rock wool board are continuously conveyed forward via the conveyor belt 112.

[0046] When the long strip of rock wool board is conveyed to the bottom of the horizontal cutting blade 211, the encoder in the roller 111 feeds back the displacement data of the rock wool board to the control system, and the roller 111 stops working. At this time, the long strip of rock wool board is in a stationary state on the conveyor belt 112, and the control system simultaneously cuts off the power of the fourth spring 125. The fourth spring 125 gradually becomes longer under the action of its own elastic force, and the fourth spring 125 pushes the follower plate 122 to move closer to the side of the first cam 21, so that the follower plate 122 abuts against the protrusion on the side of the first cam 21, and the driving motor 2 continues to drive the rotating shaft 201 to rotate, and the rotating shaft 201 continues to drive the multiple groups of first cams 21 to rotate, and the multiple groups of first cams 21 respectively drive the longitudinal cutting blade 212 to rotate. At this time, the longitudinal cutting blade 212 is in idling, and the protrusion on the first cam 21 rotates accordingly.

[0047] When the protrusion on the first cam 21 approaches the follower plate 122, the encoder in the drive motor 2 feeds back the rotation data of the first cam 21 to the control system, and the protrusion on the first cam 21 pushes the follower plate 122 to move rightward. The follower plate 122 simultaneously compresses the fourth spring 125, and the follower plate 122 drives the transverse motor 123 and the transverse cutting blade 211 to move rightward synchronously to cut the rock wool board transversely. Since a plurality of transverse motors 123, transverse cutting blades 211 and follower plates 122 are provided on the guide rail 121, the entire rock wool board can be cut transversely.

[0048] When the protrusion on the first cam 21 moves away from the follower plate 122, the fourth spring 125 is released, and the fourth spring 125 pushes the follower plate 122 to move to the left. The follower plate 122 drives the transverse motor 123 and the transverse cutting blade 211 to move to the left to the original position. After being cut by the transverse cutting blade 211 and the longitudinal cutting blade 212, the rock wool board becomes several small pieces for easy crushing.

[0049] The rock wool board is transported into the crushing box 3 through the conveyor belt 112. The small rock wool board falls between the extrusion plate 32 and the inner wall of the crushing box 3. The control system controls the crushing motor 312 to drive the transmission shaft 311 to rotate. The transmission shaft 311 drives the second cam 31 to rotate. The protrusions on the outside of the second cam 31 and the protrusions on one side rotate accordingly.

[0050] When the protrusion on the outer side of the second cam 31 approaches the extrusion plate 32, the protrusion on the outer side of the second cam 31 pushes the extrusion plate 32 to move toward the inner wall of the crushing box 3, and the extrusion plate 32 compresses the reset tension spring. At the same time, the extrusion plate 32 drives the following plate 321 to move toward the inner wall of the crushing box 3, and the small pieces of rock wool board are squeezed by the following plate 321. The following plate 321 compresses the first spring, and the small pieces of rock wool board are further squeezed and crushed by the teeth on the extrusion plate 32.

[0051] When the protrusion on the outer side of the second cam 31 moves away from the extrusion plate 32, the reset spring is released, and the reset spring pushes the extrusion plate 32 to move away from the inner wall of the crushing box 3. At this time, the first spring is released, and the first spring pushes the following plate 321 to move away from the extrusion plate 32. The following plate 321 scrapes off the rock wool board remaining on the tooth shape of the extrusion plate 32. The small pieces of rock wool board after extrusion become powder and fall from the position between the extrusion plate 32 and the crushing box 3.

[0052] When the protrusion on one side of the second cam 31 approaches the pressure plate 341, the encoder in the crushing motor 312 feeds back the rotation data of the second cam 31 to the control system, and the control system opens the solenoid valve in the air outlet 343. The protrusion on one side of the second cam 31 pushes the pressure plate 341 into the pressure box 34. At the same time, the pressure plate 341 compresses the second spring, so that the air in the pressure box 34 is transported to the air storage box through the air outlet 343.

[0053] When the protrusion on one side of the second cam 31 moves away from the pressure plate 341, the encoder in the crushing motor 312 feeds back the rotation data of the second cam 31 to the control system. The control system controls the solenoid valve in the air inlet 342 to open and the solenoid valve in the air outlet 343 to close. The second spring is released, and the second spring pushes the pressure plate 341 to move outward from the pressure box 34, so that external air is drawn into the pressure box 34 through the air inlet 342.

[0054] As the protrusion on one side of the second cam 31 continues to rotate, more and more air is delivered to the air storage box, so that the air pressure in the air storage box gradually increases. The air storage box stores the air and the excess air is discharged through the air release valve.

[0055] As the second cam 31 continues to rotate, more and more powdered rock wool boards fall from the position between the extrusion plate 32 and the crushing box 3, and the powdered rock wool boards fall on the filter screen 33. The control system simultaneously continuously energizes and deenergizes the third spring 332; when the third spring 332 is energized, the third spring 332 is shortened as a whole, and the third spring 332 pulls the blowing plate 331 from one end of the rectangular slot to the other end; after the third spring 332 is deenergized, the blowing plate 331 is pushed to move in the opposite direction under the action of its own elastic force; the control system opens the solenoid valve in the outlet pipe of the air storage box while energizing and deenergizing the third spring 332, so that the pressurized air in the air storage box is transported to the blowing plate 331 through the pipe, and sprayed onto the filter screen 33 through the blowing holes on the blowing plate 331, and then the filter screen 33 is brushed by the brush on the blowing plate 331, so that the rock wool boards are not easily deposited on the filter screen 33, thereby preventing the filter screen 33 from being blocked and ensuring the normal filtering effect of the filter screen 33.

[0056] After being filtered, the rock wool board is transported downward to two sets of crushing wheels 351, which further crush the powdered rock wool board. The further crushed rock wool board passes through the screen 352 and is discharged from the discharge port.

[0057] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A rock wool board crushing device with a crushed material recovery function, including a negative pressure system and a control system, characterized in that: The invention comprises a frame (11), wherein a plurality of rollers (111) are provided on the frame (11), a plurality of the rollers (111) are provided with conveyor belts (112), the conveyor belts (112) are in contact with a rock wool board, a support frame (113) is provided above the frame (11), a cutting cover (12) is installed below the support frame (113), the cutting cover (12) is connected to a negative pressure system through a pipeline, a driving motor (2) is installed on the cutting cover (12), a first cam (21) is installed in the cutting cover (12), a transverse cutting blade (211) is provided on the first cam (21), a longitudinal cutting blade (212) is installed on one side of the first cam (21), a crushing box (3) is installed on one side of the conveyor belt (112), a second cam (31) is installed in the crushing box (3), extrusion plates (32) are installed on both sides of the second cam (31), and a filter screen (33) is installed below the second cam (31); The crushing box (3) is mounted on the frame (11), a transmission shaft (311) is provided in the middle of the second cam (31), both ends of the transmission shaft (311) are rotatably mounted on the crushing box (3), one end of the transmission shaft (311) passes through the crushing box (3) and is connected to the output shaft of the crushing motor (312), the crushing motor (312) is mounted on the crushing box (3), a discharge port is provided at the bottom of the crushing box (3), two groups of sliding grooves are provided on the inner wall of the crushing box (3), two groups of extrusion plates (32) are provided, and the two groups of extrusion plates (32) are respectively slidably mounted on the two groups of sliding grooves, a plurality of protrusions are provided on the outer side of the second cam (31), and the protrusions on the outer side of the second cam (31) abut against the two groups of extrusion plates (32); A reset tension spring is connected between one side of the extrusion plate (32) and the crushing box (3); a plurality of teeth are provided on the extrusion plate (32); a following plate (321) is slidably mounted on the plurality of teeth; a first spring is connected between the following plate (321) and the extrusion plate (32); A pressurizing box (34) is provided on the inner wall of the crushing box (3) axially opposite to the second cam (31), the middle portion of the pressurizing box (34) is sleeved on the transmission shaft (311), a pressurizing plate (341) is slidably mounted in the pressurizing box (34), and mutually abutting protrusions are provided on opposite sides of the pressurizing plate (341) and the second cam (31), and the pressurizing plate (341) and the bottom of the pressurizing box (34) are connected via a second spring; A fixed plate (301) is installed below the second cam (31), and the fixed plate (301) is installed on the crushing box (3). A rectangular groove is provided in the middle of the fixed plate (301), and the filter (33) is provided in the rectangular groove. A blowing plate (331) is slidably installed in the rectangular groove. The inside of the blowing plate (331) is hollow, and a plurality of blowing holes are provided on one side of the blowing plate (331). The other side of the blowing plate (331) is connected to the fixed plate (301) via a third spring (332). Both ends of the third spring (332) are electrically connected to the control system. A brush is provided at the bottom of the blowing plate (331), and the brush contacts the filter (33). The pressurizing box (34) is provided with an air inlet (342) and an air outlet (343), the air inlet (342) is in communication with the outside air, the air outlet (343) is in communication with the inlet of the air storage box via a pipe, the outlet of the air storage box is in communication with the inlet of the vacuum pump via a pipe, and the outlet of the vacuum pump is in communication with the blowing plate (331) via a pipe passing through the crushing box (3); A pressure sensor, a solenoid valve and a flow meter are installed in the pipes connecting the air inlet (342), the air outlet (343) and the air storage box. The air storage box is also equipped with a relief valve. The relief valve, the pressure sensor, the solenoid valve and the flow meter are all electrically connected to the control system. Two groups of guide plates (35) are sequentially arranged below the fixed plate (301), two groups of crushing wheels (351) are installed between the two groups of guide plates (35), the interiors of the two groups of crushing wheels (351) are electric roller structures, the two groups of crushing wheels (351) are installed on the crushing box (3), and a screen (352) is provided on the lowest guide plate (35); A plurality of first magnets are provided on the screen (352), and a plurality of second magnets are provided in the two groups of crushing wheels (351), wherein the first magnets and the second magnets have different magnetic properties.

2. The rock wool board crushing equipment with scrap recovery function according to claim 1 is characterized in that: The interior of the cutting cover (12) is hollow, the output shaft of the driving motor (2) is connected to a rotating shaft (201), the rotating shaft (201) is rotatably mounted on the cutting cover (12), a guide rail (121) is mounted on one side of the rotating shaft (201), the guide rail (121) is mounted on the cutting cover (12), a plurality of first cams (21) are provided, and the plurality of first cams (21) are sequentially mounted on the rotating shaft (201); A plurality of protrusions are provided on one side of the first cam (21), and the transverse cutting piece (211) is provided on the other side of the first cam (21). A plurality of groups of follower plates (122) are slidably mounted on the guide rail (121), and each group of the follower plates (122) is connected to the guide rail (121) via a fourth spring (125). A roller is provided at one end of the follower plate (122), and the roller abuts against the protrusion on the first cam (21).

3. The rock wool board crushing equipment with scrap recovery function according to claim 2 is characterized in that: A transverse motor (123) is mounted on each follower plate (122), and the transverse cutting blade (211) is mounted on an output shaft of the transverse motor (123). The transverse cutting blade (211) is a semicircular blade.

4. The rock wool board crushing equipment with scrap recovery function according to claim 3 is characterized in that: The upper side of the cutting cover (12) is connected to a telescopic rod of a telescopic cylinder (124), and the telescopic cylinder (124) is mounted on the support frame (113).

5. The rock wool board crushing equipment with scrap recovery function according to claim 4 is characterized in that: The drive motor (2), the transverse motor (123) and the crushing motor (312) are each equipped with an encoder, and the encoder is electrically connected to a control system.

6. The rock wool board crushing equipment with scrap recovery function according to claim 5 is characterized in that: A control panel (1) is provided on the frame (11), and a control system is provided in the control panel (1).

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