Disc crusher

Abstract

The present invention provides a disc crusher, which includes a grinding mechanism, the grinding mechanism includes: a grinding chamber with a feed inlet on the front face and a second discharge port on the bottom, a static grinding disc with a center hole is provided on one side of the feed inlet in the grinding chamber, and a dynamic grinding disc is arranged with a relative spacing from the static grinding disc, the dynamic grinding disc is connected to a power mechanism through a rotating shaft and can rotate; it is characterized in that: the rotating shaft is installed on a rotating shaft support seat through a first bearing, and an automatic adjustment device capable of adjusting the distance between the dynamic grinding disc and the static grinding disc is connected to the rotating shaft support seat. The present invention solves the problem that it is time-consuming and labor-intensive to adjust the distance between the dynamic and static grinding discs in the existing disc crusher. By adjusting the axial position of the rotating shaft support seat, the gap between the dynamic grinding disc and the static grinding disc can be automatically adjusted, thereby adjusting the particle size of the ground material accordingly.

Description

Technical Field

[0001] The invention relates to a disc crusher for grinding minerals into powders in the field of mineral analysis. Background Art

[0002] In the field of mineral analysis, minerals need to be ground into powder. There are many technologies that can achieve this effect. Disc crusher is one of them. Its characteristics are fast grinding speed and easy discharge and cleaning.

[0003] The common existing disc crusher has a motor, a moving grinding disc at the front end, a static grinding disc in a grinding chamber, a hopper at the front end of the grinding chamber, and materials are fed manually from the hopper. During the grinding process, the falling materials flow directly out through the outlet. The gap between the moving grinding disc and the static grinding disc can be manually adjusted. After grinding, the chamber can also be opened from the side for manual cleaning. Therefore, it has a simple structure, a lot of dust, and requires manual cleaning and manual feeding.

[0004] However, there is no disc crusher on the market that can automatically adjust the particle size, automatically receive materials and automatically clean. Summary of the invention

[0005] Therefore, the primary purpose of the present invention is to solve the problem that the existing disc crusher cannot automatically adjust the gap and manual adjustment is time-consuming and labor-intensive, and to provide a disc crusher to solve the above technical problems, improve production efficiency and reduce labor intensity.

[0006] Another object of the present invention is to overcome the problem that the existing disc crusher cannot be fed automatically and needs to be fed manually.

[0007] Another object of the present invention is to overcome the technical problem that the existing disc crusher cannot be cleaned automatically, and the problem of dust caused by manually opening the grinding chamber for cleaning.

[0008] Another object of the present invention is to overcome the technical problem that the existing disc crusher directly receives materials through a container and cannot achieve dust-free discharge.

[0009] To achieve the above object, the technical solution adopted by the present invention is:

[0010] A disc crusher includes a grinding mechanism, which includes: a grinding chamber with a feed port on the front face and a second discharge port on the bottom, a static grinding disc with a center hole is provided on one side of the feed port in the grinding chamber, and a dynamic grinding disc is arranged relative to the static grinding disc and spaced apart, the dynamic grinding disc is connected to a power mechanism through a rotating shaft and can rotate; it is characterized in that: the rotating shaft is installed on a rotating shaft support seat through a first bearing, and an adjustment device capable of adjusting the distance between the dynamic grinding disc and the static grinding disc is connected to the rotating shaft support seat.

[0011] The disc crusher described in the present invention, as a preferred embodiment, also includes a frame, the grinding chamber is fixed on the upper mounting plate of the frame, and the rotating shaft support seat is fixed on the upper mounting plate of the frame through an adjustment device.

[0012] The disc crusher described in the present invention, as a preferred embodiment, the adjustment device includes: a slider disposed under the rotating shaft support seat and capable of moving along the axial direction of the rotating shaft on a plane, the slider being slidably connected to a first guide rail installed on a frame; a connecting plate is provided between the slider and the rotating shaft support seat, the end surface of the connecting plate is provided with an end plate, a nut is fixedly connected to the end plate, the nut is connected to a screw rod, the body of the screw rod is fixed in position by adjusting the bearing seat, one end of the screw rod is connected to a servo motor, and the adjusting bearing seat and the servo motor are fixedly arranged on the frame.

[0013] In order to achieve uniform automatic feeding, the disc crusher described in the present invention is preferably provided with a feeding mechanism at the feed port of the grinding chamber, the feeding mechanism comprising a hopper and a screw feeder connected to the downstream outlet end of the hopper, one end of the screw shaft of the screw feeder is connected to the feeding driver, and a first discharge port is provided at the end of the screw feeder opposite to the feeding driver; the first discharge port is communicated with the feed port of the grinding chamber.

[0014] The disc crusher described in the present invention, in order to be able to automatically clean the residual materials in the grinding chamber, is preferably provided with a cleaning mechanism on the top of the grinding chamber, the cleaning mechanism includes a movable plate, which is arranged above the top plate of the grinding chamber, and a lifting device is connected to the movable plate so that the movable plate can be lifted up and down relative to the top plate of the grinding chamber, a plurality of air pipes are arranged on the movable plate, and an air inlet is arranged at the top of the air pipe, the lower end of the air pipe can pass through the top plate of the grinding chamber and perform lifting and lowering movement in the grinding chamber, and the lower end of the air pipe has a spray hole.

[0015] As a preferred embodiment, the lifting device includes two lifting cylinders arranged on the top plate of the grinding chamber, and the two ends of the movable plate are connected to the telescopic ends of the two lifting cylinders; an upper fixed plate is arranged above the movable plate in parallel with the top plate of the grinding chamber, and a vertical second guide rail is provided between the upper fixed plate and the top plate of the grinding chamber, and the movable plate is slidably connected to the second guide rail and can move up and down along the second guide rail driven by the lifting cylinder.

[0016] As a preferred embodiment, the bottom end of the air pipe is closed, and the spray hole is arranged on the side of the lower end of the air pipe.

[0017] In order to be able to clean the grinding chamber in all directions without dead angles, as a preferred embodiment, the air pipe is also connected to a rotating drive device that can drive the air pipe to rotate 360 ​​degrees, and the rotating drive device includes: a second drive motor is arranged on the movable plate, the output shaft end of the second drive motor is provided with a motor toothed belt pulley, the upper end of the air pipe is provided with a driven toothed belt pulley, and a toothed belt is wound between the motor toothed belt pulley and the driven toothed belt pulley to drive the air pipe to rotate.

[0018] As a preferred embodiment, there are at least two pairs of air pipes, each pair of air pipes is symmetrically arranged along the center line of the movable grinding disc, and one of the pair of air pipes is located in front of the static grinding disc, and when the movable grinding disc moves backward, the one of the pair of air pipes is just above the gap between the movable grinding disc and the static grinding disc; the other at least one pair of air pipes is arranged at a position corresponding to the rear or side cavity of the movable grinding disc.

[0019] The disc crusher described in the present invention, in order to achieve automatic dust-free material receiving, as a preferred embodiment, the outlet of the grinding chamber discharge hopper is connected to an automatic material receiving mechanism; the automatic material receiving mechanism includes a cyclone separator connected to the lower outlet of the discharge hopper, the upper end of the cyclone separator is provided with an exhaust port, the exhaust port is connected to a negative pressure device, the lower end of the cyclone separator is provided with a discharge port, the periphery of the discharge port is in close contact with an upper support plate hoisted under the upper mounting plate of the frame, and a lower support plate is provided below the upper support plate, and the lower support plate can be used for placing sample bottles.

[0020] As a preferred embodiment, the upper support plate has two vertically arranged guide rods and two fixed rods, and the upper support plate is installed on the lower ends of the fixed rods and the middle parts of the guide rods; the lower support plate is movably inserted into the guide rods; and the lower support plate is connected to an electric push rod that can drive the lower support plate to move up and down.

[0021] As a preferred embodiment, a rapper is provided on one side of the cyclone separator.

[0022] The disc crusher described in the present invention is, as a preferred embodiment, the power mechanism includes a first drive motor, the tail end of the rotating shaft extends from the end of the rotating shaft support seat, a transmission device is provided at the tail end of the rotating shaft and the output shaft end of the first drive motor, and the rotating shaft is provided with a transmission support device.

[0023] The disc crusher described in the present invention is, as a preferred embodiment, the transmission device includes pulleys arranged at the ends of the rotating shaft and the ends of the driving motor shaft and a belt connected between the two pulleys; the transmission support device includes: a fixed pulley bracket is arranged at a position adjacent to the pulley at the tail end of the rotating shaft, a sleeve that can move axially relative to the rotating shaft is provided between the pulley bracket and the rotating shaft, the end of the sleeve has a flange connected to the end face of the pulley, and a second bearing is provided between the sleeve and the pulley bracket.

[0024] The present invention adopts the above technical solution, and a device for automatically adjusting the gap between the moving and static grinding discs is added under the mounting shaft support seat of the rotating shaft of the moving grinding disc, so that the grinding particle size can be conveniently adjusted. The present invention further adds an automatic feeding device, and the feeding is completed evenly and automatically through spiral feeding, thereby reducing the labor intensity of workers. The present invention arranges an automatic cleaning mechanism on the grinding chamber, especially through an air pipe to directly convey high-pressure air between the static grinding disc and the moving grinding disc, and the cleaning is carried out in a relatively closed state of the grinding chamber, thereby reducing the pollution caused by manually opening the grinding chamber for cleaning, and also reducing the labor intensity of workers. In particular, an automatic material receiving mechanism is connected below the second discharge port of the grinding chamber. The automatic material receiving mechanism provides a cyclone separator with negative pressure, so that the material is automatically sucked in. It is combined with the cleaning mechanism, so that the ground material is discharged in a fully closed state, and automatically cleaned in a closed state, which greatly improves production efficiency and avoids environmental pollution.

[0025] The disc crusher of the present invention has reasonable structure, ingenious arrangement, high automation, is beneficial to environmental protection, and reduces the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the disc crusher provided by the present invention.

[0027] Figure 2 It is a cross-sectional view of the feeding mechanism.

[0028] Figure 3 is a cross-sectional view of the grinding mechanism;

[0029] Figure 4 It is a three-dimensional diagram of the automatic material receiving mechanism;

[0030] Figure 5 It is a three-dimensional diagram of the cleaning mechanism;

[0031] Figure 6 It is a schematic diagram of the air pipe arrangement of the cleaning mechanism;

[0032] Figure 7 It is a schematic diagram of the structure of the slider and the first guide rail of the grinding mechanism.

[0033] Description of the reference numerals: feeding mechanism 1, hopper 11, screw feeder 12, first coupling 13, feeding driver 14, first discharge port 121; grinding mechanism 2, grinding chamber 21, feeding port 211, discharge hopper 212, second discharge port 213, grinding chamber top plate 214, static grinding disc 22, dynamic grinding disc 23, rotating shaft 24, first bearing 241, adjusting device 25, slider 251, nut 252, screw rod 253, adjusting bearing seat 254, second coupling 255, servo motor 256, first guide rail 257, connecting plate 258, end plate 2581; rotating shaft support seat 26; power mechanism 3, first driving motor 31, transmission device 32, pulley 321, belt 322, transmission support device 33, pulley bracket 331, sleeve 332, second bearing 333; automatic material receiving mechanism 4, pipeline 41, Cyclone separator 42, negative pressure device 43, electric push rod 44, rapper 45, guide rod 46, upper support plate 47, sample bottle 48, lower support plate 49, fixed rod 410; cleaning mechanism 5, lifting device 51, lifting cylinder 511, upper fixed plate 512, second guide rail 513, air pipe 52, air pipe one 52a, air pipe two 52b, air pipe three 52c, air inlet 521, spray hole 522, movable plate 53, connecting piece 531, rotating drive device 54, second drive motor 541, motor toothed belt pulley 542, driven toothed belt pulley 543; frame 6, upper mounting plate 61. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the preferred embodiments cannot be used to limit the protection scope of the present invention.

[0035] like Figure 1 As shown, the present invention provides a disc crusher, which includes: a grinding mechanism 2, wherein the grinding mechanism 2 includes a grinding chamber 21, a static grinding disc 22 with a center hole is arranged in the grinding chamber 21, and a dynamic grinding disc 23 is arranged relatively to the static grinding disc 22, and the dynamic grinding disc 23 is connected to the power mechanism 3 through a rotating shaft 24 and can rotate; it is characterized in that: the rotating shaft 24 is installed on the rotating shaft support seat 26 through a first bearing 241, and an adjusting device 25 that can automatically adjust the distance between the dynamic grinding disc 23 and the static grinding disc 22 is connected to the rotating shaft support seat 26; it also includes a frame 6, the grinding chamber 21 is fixed on the upper mounting plate 61 of the frame 6, and the rotating shaft support seat 26 is fixed on the upper mounting plate 61 of the frame 6 through the adjusting device 25, so that the rotating shaft support seat 26 can be driven by the adjusting device 25, and then the rotating shaft and the dynamic grinding disc 23 can move away from and approach the static grinding disc 22.

[0036] Specifically, if Figure 1 , Figure 3As shown, the grinding mechanism 2 includes a grinding chamber 21 with a feed port 211 and a second discharge port 213, and the grinding chamber 21 is composed of a front end plate, a rear end plate, a left end plate, a right end plate, a top plate 214, and a discharge hopper 212 at the bottom. The front end plate is provided with a feed port 211, and the bottom of the lower end of the discharge hopper is provided with a second discharge port 213; a static grinding disc 22 in a stationary state is arranged at the feed port 211, and the central hole of the static grinding disc 22 is connected with the feed port 211 provided on the front end plate, and the discharge port of the feeding mechanism 1 (described in detail later); a moving grinding disc 23 is arranged at a distance from and opposite to the side of the static grinding disc 22 opposite to the feed port of the grinding chamber, and the moving grinding disc 23 is connected to a rotating shaft 24, and the rotating shaft 24 is installed on a rotating shaft that can move away from and approach the static grinding disc 22 through a first bearing 241. On the support seat 26, the rotating shaft 24 is connected to the power mechanism 3 (such as a motor) to drive the dynamic grinding disc 23 to rotate, so that the material is ground between the relative friction surfaces of the dynamic grinding disc 23 and the static grinding disc 22; in the present embodiment, there is a flying saucer-shaped spacing cavity with a wide center and a narrow edge between the dynamic grinding disc 23 and the static grinding disc 22 for storing the ground material, and the distance between the edges of the two is the smallest to form the relative friction surface. After the material enters between the dynamic grinding disc 23 and the static grinding disc 22, it is driven by the rotation of the dynamic grinding disc 23 and thrown out to the edge position. After being ground by the relative friction surface, it becomes particles with a particle size smaller than the distance between the relative friction surfaces, and finally thrown out from the edge gap between the dynamic grinding disc 23 and the static grinding disc 22; the adjustment device 25 is used to adjust the gap between the dynamic and static grinding discs to grind materials of different particle sizes.

[0037] See also Figure 3 The adjusting device 25 is connected to the rotating shaft support seat 26, and can drive the rotating shaft support seat 26 to move away from and approach the static grinding disc 22. Therefore, by moving the rotating shaft support seat 26, the gap between the dynamic grinding disc 23 and the static grinding disc 22 can be adjusted, thereby adjusting the particle size of the ground material accordingly. In this embodiment, the adjusting device 25 includes: a slider 251 disposed under the rotating shaft support seat 26 and capable of moving along the axial direction of the rotating shaft 24 on a plane, such as Figure 3 , 7As shown, a first guide rail 257 for the slider 251 to slide is provided on the upper mounting plate 61 of the frame; a connecting plate 258 is provided between the slider 251 and the rotating shaft support seat 26, and an end plate 2581 is provided on the end surface of the connecting plate 258, and a thread nut 252 is fixedly connected to the end plate 2581, and the thread nut 252 is connected to the screw rod 253, and the body of the screw rod 253 is fixed in position by adjusting the bearing seat 254, and one end of the screw rod 253 is connected to the servo motor 256 through the second coupling 255. When the servo motor 256 rotates, the screw rod 253 rotates accordingly, thereby driving the thread nut 252 to move axially on the screw rod 253, and the slider 251 is driven by the connecting plate 258 to make a linear motion along the first guide rail 257, thereby driving the rotating shaft support seat 26 and the rotating shaft 24 to also synchronously displace, so that the gap between the moving grinding disc 23 and the static grinding disc 22 can be adjusted.

[0038] See also Figure 3 The power mechanism 3 for driving the movable grinding disc to rotate includes a first driving motor 31, which is fixed on the frame 6. The tail end of the rotating shaft 24 extends from the rear end of the rotating shaft support seat 26; a transmission device 32 is provided at the tail end of the rotating shaft 24 and the output shaft end of the first driving motor 31, and the transmission device 32 includes a pulley 321 provided at the end of the rotating shaft and the end of the first driving motor shaft and a belt (omitted in the figure) connected between the two pulleys 321; in order to improve the stability of the rotating shaft 24 and facilitate the axial movement of the rotating shaft 24, A transmission support device 33 is provided at the rear end of the rotating shaft, and the transmission support device 33 includes: a fixed pulley bracket 331 is provided at the rear end of the rotating shaft 24, adjacent to the pulley 322, and fixed on the frame 6, a sleeve 332 is provided between the pulley bracket 331 and the rotating shaft 24, and can move axially relative to the rotating shaft 24, that is, the sleeve 322 and the rotating shaft can be splined, the end of the sleeve 332 has a flange connected to the end face of the pulley 321, and a second bearing 333 is provided between the sleeve 332 and the pulley bracket 331. The transmission support device 33 provides radial support and fixation for the rotating shaft 24, and provides the rotating shaft 24 with the degree of freedom to move axially, so that the rotating shaft support seat 26, the rotating shaft 24, and the movable grinding disc 23 can move axially under the action of the adjustment device 25.

[0039] The frame 6 provides an upper mounting plate 61, the grinding mechanism 2 is arranged on the upper mounting plate 61 of the frame 6, the grinding chamber 21 is fixed on the upper mounting plate 61, the adjustment device 25 is fixed on the upper mounting plate 61, the first driving motor 31 of the power mechanism 3 is fixed on the upper mounting plate 61, and is located on the side of the grinding mechanism 2; the pulley bracket 331 of the transmission support device 33 is arranged near the end of the rotating shaft 24 and fixed on the upper mounting plate 61.

[0040] In order to achieve uniform automatic feeding, a feeding mechanism 1 is provided at the feeding port of the grinding chamber 21, that is, the grinding mechanism 2 is located downstream of the feeding mechanism 11; the feeding mechanism 1 is as shown in FIG. Figure 1 , Figure 2 As shown, it includes a hopper 11 and a screw feeder 12 connected to the downstream end of the hopper 11, one end of the screw shaft of the screw feeder 12 is connected to a feeding driver 14 (such as a motor) through a first coupling 13, and a first discharge port 121 is provided at the end of the screw feeder 12 opposite to the feeding driver 14; the first discharge port 121 is communicated with a feed port 211 of the grinding chamber, and after the material is put into the hopper 11, the feeding driver 14 drives the screw shaft to rotate, so that the material enters the grinding chamber 21 evenly from the discharge port along the screw shaft, so as to achieve the purpose of uniform feeding.

[0041] In order to prevent the ground material from generating dust when it is discharged from the discharge port 213, an automatic material receiving mechanism 4 is provided downstream of the discharge port 213. The automatic material receiving mechanism 4 is provided on the bottom plate of the frame 6, below the upper mounting plate 61, as shown in FIG. Figure 1 , Figure 4As shown, the automatic material receiving mechanism 4 is arranged downstream of the discharge hopper 212 of the grinding chamber; the discharge port of the discharge hopper 212 provides a pipeline 41 connected to the cyclone separator 42, a vibrator 45 is provided on one side of the cyclone separator 42, the exhaust port at the upper end of the cyclone separator 42 is connected to a negative pressure device 43, and a discharge port is provided at the lower end of the cyclone separator 42. The periphery of the discharge port is closely connected with an upper support plate 47 hoisted below the upper mounting plate 61 of the frame through a flange, and the upper support plate 47 has a through hole connected to the discharge port, that is, the upper support plate 47 is used to install the cyclone separator 42; a lower support plate 49 is provided below the upper support plate 47, and the lower support plate 49 can be used to place the sample bottle. Two vertically arranged guide rods 46 are fixed on the frame 6, the upper ends of the two fixed rods 410 are fixed under the upper mounting plate 61 of the frame, and the lower ends are used to connect with the upper support plate 47. At the same time, the upper support plate 47 is also connected to the middle appropriate position of the guide rod 46 and keeps it in a horizontal state; the lower support plate 49 is movably penetrated on the guide rod 46; and the lower support plate 49 is also connected to an electric push rod 44 that can be telescopic in the vertical direction. The electric push rod 44 is fixed on the frame 6, so that the lower support plate 49 can be lifted and lowered in the vertical direction along the guide rod 46; when receiving the material, the electric push rod 44 is in a pushed-out state, so that the lower support plate 49 The distance between the upper support plate 47 and the lower support plate 49 is large enough to place a sample bottle 48 on the lower support plate 49, and then the electric push rod 44 retracts, so that the upper bottle mouth of the sample bottle 48 is in close contact with the lower surface of the upper support plate 47 and connected with the discharge port of the cyclone separator 42; then, the ground material enters the cyclone separator 42 through the discharge hopper 212, and under the action of negative pressure, the material enters the sample bottle 48, and the vibrator 45 works at this time, which can shake off the powder adhering to the inner wall of the cyclone separator 42; then, the electric push rod 44 is pushed out again, so that the sample bottle 48 can be taken away.

[0042] like Figure 1 , Figure 5 As shown, a cleaning mechanism 5 is provided on the grinding chamber, and the cleaning mechanism 5 has a movable plate 53 which is preferably arranged in parallel with the top plate of the grinding chamber, and a lifting device 51 is connected to the movable plate 53 so that the movable plate 53 can be lifted up and down relative to the top plate of the grinding chamber, and a plurality of air pipes 52 are provided on the movable plate 53, and an air inlet 521 is provided at the top of the air pipe 52 for connecting compressed air; the lower end of the air pipe 52 can pass through the top plate of the grinding chamber and perform lifting and lowering movement in the grinding chamber, and the lower end of the air pipe 52 has a spray hole 522. In order to improve the cleaning effect, the air pipe is preferably closed at the bottom, and the spray hole 522 is arranged on the side of the lower end of the air pipe.

[0043] Specifically, in this embodiment, the lifting device 51 includes two lifting cylinders 511 arranged on the grinding chamber top plate 214, and the two ends of the movable plate 53 are connected to the telescopic ends of the two lifting cylinders through a connecting piece 531; an upper fixed plate 512 is arranged above the movable plate 53 in parallel with the grinding chamber top plate, and a vertical second guide rail 513 is provided between the upper fixed plate 512 and the grinding chamber top plate, and the movable plate 53 is slidably connected to the second guide rail 513 and can move up and down along the second guide rail 513 driven by the lifting cylinder 511.

[0044] In order to enable high-pressure air to clean the grinding chamber, dynamic and static grinding discs in all directions, the air pipe 52 is also connected to a rotating drive device 54 that can drive the air pipe 52 to rotate 360 ​​degrees. The rotating drive device 54 includes: a second driving motor 541, which is arranged on the movable plate 53, and the output shaft end of the second driving motor 541 is provided with a motor toothed belt pulley 542, and the upper end of each air pipe 52 is provided with a driven toothed belt pulley 543, and a toothed belt (omitted in the figure) is wound between the motor toothed belt pulley 542 and the driven toothed belt pulley 543 to drive the air pipe 52 to rotate.

[0045] See also Figure 6 The air pipes 52 are preferably symmetrically arranged in pairs, at least two pairs, and three pairs in the present embodiment, each pair of air pipes is symmetrically arranged along the center line of the movable grinding disc 23, and one of the pair of air pipes 52a is located in front of the static grinding disc 22, and when the movable grinding disc 23 moves backward, the pair of air pipes 52 is just above the gap between the movable grinding disc 23 and the static grinding disc 22; another pair of air pipes 52b is located on both sides of the outer periphery of the movable grinding disc 23, and the third pair of air pipes 52c is arranged behind the movable grinding disc 23. With such arrangement, when the grinding chamber 21 needs to be cleaned, the adjusting device 25 drives the movable grinding disc 23 to move backward to the extreme position, and then the lifting device 51 drives the air pipe 52 to descend to between the movable and static grinding discs 22 and 23 to move up and down continuously, as well as to the side and rear of the movable grinding disc 23. At the same time, the second driving motor 541 drives the air pipe 52 to rotate 360 ​​degrees, and the high-pressure gas ejected from the spray hole 522 can sweep the inner wall of the grinding chamber 21 without dead angles, thereby cleaning off the materials attached to the inner wall of the grinding chamber 21.

[0046] In summary, the disc crusher provided by the above embodiment of the present invention has the primary purpose of realizing automatic and convenient adjustment of the grinding particle size through the adjustment device 25; further, uniform feeding is realized by setting up the feeding mechanism 1; the grinding chamber can be automatically cleaned without dead angles and in a closed state through the cleaning mechanism 5; automatic dust-free material receiving is realized through the automatic material receiving mechanism 4; production efficiency is improved, labor intensity is reduced, and environmental pollution is avoided.

[0047] The above description is only illustrative rather than restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the claims, but all will fall within the scope of protection of the present invention.

Claims

1. A disc crusher, comprising a grinding mechanism, wherein the grinding mechanism comprises: The front end face has a feeding port and the bottom has a second feeding port of the grinding chamber, a static grinding disc with a center hole is arranged on one side of the feeding port in the grinding chamber, and a dynamic grinding disc is arranged with a relative spacing from the static grinding disc, and the dynamic grinding disc is connected to the power mechanism through a rotating shaft so as to be able to rotate; the characteristic is that the rotating shaft is installed on the rotating shaft support seat through a first bearing, and an adjusting device capable of adjusting the distance between the dynamic grinding disc and the static grinding disc is connected to the rotating shaft support seat; It also includes a frame, the grinding chamber is fixed on the upper mounting plate of the frame, and the rotating shaft support seat is fixed on the upper mounting plate of the frame through an adjustment device; The adjustment device comprises: a slider disposed under the rotating shaft support seat and capable of moving along the axial direction of the rotating shaft on a plane, the slider being slidably connected to a first guide rail mounted on the frame; a connecting plate is disposed between the slider and the rotating shaft support seat, an end surface of the connecting plate is provided with an end plate, a nut is fixedly connected to the end plate, the nut is connected to a screw rod, the body of the screw rod is fixed in position by adjusting the bearing seat, one end of the screw rod is connected to a servo motor, and the adjusting bearing seat and the servo motor are fixedly disposed on the frame; A feeding mechanism is provided at the feeding port of the grinding chamber, the feeding mechanism comprises a hopper and a screw feeder connected to the downstream outlet end of the hopper, one end of the screw shaft of the screw feeder is connected to the feeding driver, and a first discharge port is provided at the end of the screw feeder opposite to the feeding driver; the first discharge port is communicated with the feeding port of the grinding chamber; A cleaning mechanism is provided on the grinding chamber, and the cleaning mechanism includes a movable plate, which is provided above the top plate of the grinding chamber, and a lifting device is connected to the movable plate so that the movable plate can be lifted up and down relative to the top plate of the grinding chamber, and a plurality of air pipes are provided on the movable plate, and an air inlet is provided at the top of the air pipe, and the lower end of the air pipe can pass through the top plate of the grinding chamber and perform lifting and lowering movement in the grinding chamber, and the lower end of the air pipe has a spray hole; The lifting device comprises two lifting cylinders arranged on the top plate of the grinding chamber, and the two ends of the movable plate are connected to the telescopic ends of the two lifting cylinders; an upper fixed plate is arranged above the movable plate in parallel with the top plate of the grinding chamber, and a vertical second guide rail is arranged between the upper fixed plate and the top plate of the grinding chamber, and the movable plate is slidably connected with the second guide rail and can move up and down along the second guide rail under the drive of the lifting cylinder; The grinding mechanism includes a discharge hopper with the second discharge port located below the grinding chamber, and the second discharge port is connected to an automatic material receiving mechanism; the automatic material receiving mechanism includes a cyclone separator connected to the lower outlet of the discharge hopper, the upper end of the cyclone separator is provided with an exhaust port, and the exhaust port is connected to a negative pressure device, and the lower end of the cyclone separator is provided with a discharge port, and the periphery of the discharge port is in close contact with an upper support plate hoisted below the upper mounting plate of the frame, and a lower support plate is provided below the upper support plate, and the lower support plate can be used to place a sample bottle; The power mechanism comprises a first driving motor, the tail end of the rotating shaft extends from the end of the rotating shaft support seat, a transmission device is provided at the tail end of the rotating shaft and the output shaft end of the first driving motor, and the rotating shaft is provided with a transmission support device.

2. The disc crusher according to claim 1, characterized in that: The bottom end of the air pipe is closed, and the spray hole is arranged on the side of the lower end of the air pipe.

3. The disc crusher according to claim 1 or 2, characterized in that: The air pipe is also connected to a rotation drive device capable of driving the air pipe to rotate 360 ​​degrees, and the rotation drive device includes: a second drive motor is arranged on a movable plate, a motor toothed belt pulley is arranged at the output shaft end of the second drive motor, a driven toothed belt pulley is arranged at the upper end of the air pipe, and a toothed belt is wound between the motor toothed belt pulley and the driven toothed belt pulley to drive the air pipe to rotate.

4. The disc crusher according to claim 1 or 2, characterized in that: There are at least two pairs of air pipes, each pair of air pipes is symmetrically arranged along the center line of the movable grinding disc, and one of the pair of air pipes is located in front of the static grinding disc, and when the movable grinding disc moves backward, the one of the pair of air pipes is just above the gap between the movable grinding disc and the static grinding disc; the other air pipes are arranged at positions corresponding to the rear or side cavities of the movable grinding disc.

5. The disc crusher according to claim 1, characterized in that: The upper support plate has two vertically arranged guide rods and two fixed rods, and the upper support plate is installed on the lower ends of the fixed rods and the middle parts of the guide rods; the lower support plate is movably arranged on the guide rods; and the lower support plate is connected to an electric push rod that can drive the lower support plate to move up and down.

6. The disc crusher according to claim 1, characterized in that: A rapper is provided on one side of the cyclone separator.

7. The disc crusher according to claim 1, characterized in that: The transmission device comprises pulleys arranged at the ends of the rotating shaft and the ends of the first driving motor shaft and a belt connected between the two pulleys.

8. The disc crusher according to claim 7, characterized in that: The transmission support device includes: a fixed pulley bracket arranged at a position adjacent to the pulley at the rear end of the rotating shaft, a sleeve that can move axially relative to the rotating shaft is provided between the pulley bracket and the rotating shaft, the end of the sleeve has a flange connected to the end face of the pulley, and a second bearing is provided between the sleeve and the pulley bracket.

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