CN117000367B

CN117000367B - Grinding device

Info

Publication number: CN117000367B
Application number: CN202311249841.1A
Authority: CN
Inventors: 韦涛; 李相华; 张倩
Original assignee: Shandong Dabo Pump Industry Technology Co ltd
Current assignee: Shandong Dabo Pump Industry Technology Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-01-09
Anticipated expiration: 2043-09-26
Also published as: CN117000367A

Abstract

The invention relates to the technical field of crushing equipment, in particular to a grinding device. The rotating disc and the pulping disc are both arranged in the grinding bin, the pulping disc is fixedly connected with the grinding bin, the power device is connected with the rotating disc and drives the rotating disc to rotate, the rotating disc is opposite to the pulping disc, the grinding bin is provided with a feed inlet and a discharge outlet, the feed inlet is communicated with one end, far away from the disc body, of a grinding cylinder of the pulping disc, the discharge outlet is arranged on the side part of the grinding bin, the discharge outlet is opposite to the joint of the rotating disc and the pulping disc, a material throwing disc is arranged in the material storage cavity, and the material throwing disc is coaxially connected with the rotating disc. This grinder grinds the waste material through rolling disc and pulping disc, gets rid of the charging tray and rotates along with the rolling disc is synchronous, gets rid of the waste material of storage intracavity to between rolling disc and the pulping disc to make the waste material enter into between rolling disc and the pulping disc and grind, can guarantee that the waste material of storage intracavity all can be quick enters into between rolling disc and the pulping disc, the grinding speed is fast.

Description

Grinding device

Technical Field

The invention relates to the technical field of crushing equipment, in particular to a grinding device.

Background

Along with the rapid development of aerated concrete products, particularly autoclaved aerated concrete slabs, for assembled buildings, the rapid growth also brings environmental protection problems of factory waste treatment and storage yard stacking, and the problem of waste removal and utilization of old buildings is more serious.

The waste is crushed, and mortar is prepared by combining the proportion of the raw materials and the auxiliary materials, so that the reutilization of the waste can be realized. Waste is generally crushed by using a crushing apparatus, and a twin-roll crusher is generally used to crush the waste at present because the size of the waste is uneven and the hardness of the waste is large. When crushing waste materials, the double-roller crusher has the following technical problems: 1) The two crushing rollers are matched to crush the waste, so that the crushed waste has large granularity and the crushed granularity cannot be adjusted according to actual needs; 2) The crushing roller generates a large amount of dust when crushing the waste, and has serious pollution to the environment.

Disclosure of Invention

The invention aims to solve the technical problems that: overcomes the defects of the prior art, provides a grinding device which can store partial waste materials and grind powder materials, and further can directly grind slurry, so that dust is avoided in the grinding process, and the granularity of the ground waste materials is ensured to be fine.

The technical scheme adopted for solving the technical problems is as follows: the grinding device comprises a frame, a power device, a grinding bin, a rotating disc and a pulp grinding disc, wherein the power device, the grinding bin, the rotating disc and the pulp grinding disc are arranged on the frame, the rotating disc and the pulp grinding disc are arranged in the grinding bin, the pulp grinding disc is fixedly connected with the grinding bin, the power device is connected with the rotating disc and drives the rotating disc to rotate, the rotating disc is opposite to the pulp grinding disc, a feeding hole and a discharging hole are formed in the grinding bin, the feeding hole is communicated with one end, far away from a disc body, of a grinding cylinder of the pulp grinding disc, the discharging hole is formed in the side part of the grinding bin, the discharging hole is opposite to the joint of the rotating disc and the pulp grinding disc, and a material throwing disc is arranged in a material storage cavity and is coaxially connected with the rotating disc.

Preferably, the pulping disc comprises a disc body, the disc body is annular, one side of the disc body is provided with a grinding cylinder, the grinding cylinder and the disc body are coaxially arranged, the diameter of the grinding cylinder along the direction away from the disc body is gradually reduced, a material storage cavity is formed in the grinding cylinder, and grinding areas are formed on the inner wall of the grinding cylinder and the end face of the disc body away from the grinding cylinder.

Preferably, the grinding area comprises a rough grinding area arranged on the inner wall of the grinding cylinder, a fine grinding area arranged on the outer edge of the disc body and a transitional grinding area arranged between the rough grinding area and the fine grinding area.

Preferably, a plurality of protrusions are arranged on the inner wall of the grinding cylinder and the end face of the disc body at intervals to form the grinding area.

The utility model provides a grinder, including the frame and install power device in the frame, grind the storehouse, rolling disc and foretell fiberizing disc, rolling disc and fiberizing disc all set up in grinding the storehouse, fixed connection between fiberizing disc and the grinding storehouse, power device is connected and drive the rolling disc and rotate with the rolling disc, the rolling disc just sets up with the fiberizing disc, be provided with feed inlet and discharge gate on the grinding storehouse, the one end intercommunication of disk body is kept away from to the grinding drum of feed inlet and fiberizing disc, the discharge gate sets up the lateral part at the grinding storehouse, the discharge gate just right with the junction of rolling disc and fiberizing disc, be provided with in the storage chamber and get rid of the charging disc, get rid of charging disc and rolling disc coaxial coupling.

Preferably, the side part of the material throwing disc is provided with a plurality of material throwing blades, and the material throwing blades are arc-shaped with outer ends bent towards the rear side of the rotating direction.

Preferably, the power device comprises a motor, a box body, an input shaft, an output shaft, a driving gear, a driven gear, a driving reducing chain wheel, a driven reducing chain wheel and a chain;

the input shaft and the output shaft are rotatably arranged on the box body, the input shaft is connected with a rotating shaft of the motor, the output shaft is connected with the rotating disc, the driving gear and the driving reducing sprocket are fixedly arranged on the input shaft, the driven gear and the driven reducing sprocket are arranged on the output shaft, the driven gear and the driven reducing sprocket are connected with the output shaft through a ratchet mechanism, or the driven gear and the driven reducing sprocket can rotate relative to the output shaft, and the output shaft is provided with a switching device;

the driving gear is meshed with the driven gear, the driving reducing sprocket is connected with the driven reducing sprocket through a chain, the driving reducing sprocket is connected with the driven reducing sprocket, and the transmission ratio of the driving gear and the driven gear is between the maximum transmission ratio and the minimum transmission ratio of the driving reducing sprocket and the driven reducing sprocket.

Preferably, the driving reducing sprocket comprises a first buffer chamber, a first arc-shaped chain plate and first hydraulic telescopic rods, wherein the first buffer chamber is annular and sleeved outside the input shaft, the first hydraulic telescopic rods are arranged at intervals around the first buffer chamber, each first hydraulic telescopic rod is arranged along the radial direction of the first buffer chamber, the movable end of each first hydraulic telescopic rod is provided with the first arc-shaped chain plate, teeth meshed with a chain are arranged outside the first arc-shaped chain plate, each first arc-shaped chain plate surrounds into an annular coaxial with the input shaft, the rodless cavity of each first hydraulic telescopic rod is communicated with the first buffer chamber, and the driving device is also communicated with the first buffer chamber.

Preferably, the driving device comprises a hydraulic cylinder, a first cylinder body, a first movable column, a second cylinder body, a second movable column and a pushing frame, wherein the driving reducing chain wheel is rotatably connected with a first butt joint cylinder, the driven reducing chain wheel is rotatably connected with a second butt joint cylinder, the first cylinder body is communicated with the first butt joint cylinder, the second cylinder body is communicated with the second butt joint cylinder, the first cylinder body and the second cylinder body are opposite and are arranged at intervals, the pushing frame is positioned between the first cylinder body and the second cylinder body, one end of the first movable column slidably extends into the first cylinder body, the other end of the first movable column is fixedly connected with the pushing frame, one end of the second movable column slidably extends into the second cylinder body, the other end of the second movable column is fixedly connected with the pushing frame, and the hydraulic cylinder is connected with the pushing frame, so that the pushing frame reciprocates between the first cylinder body and the second cylinder body.

Preferably, the pulping machine further comprises an adjusting device, wherein the rotating disc is rotatably connected with the adjusting device, and the adjusting device drives the rotating disc to move towards or away from the pulping disc.

Preferably, the adjusting device comprises a bearing seat, a worm wheel and a worm, wherein the bearing seat is movably arranged on the frame, the rotating disc is rotatably arranged on the bearing seat through a main shaft, the worm wheel is rotatably arranged on the frame, the worm wheel is arranged outside the bearing seat, the worm wheel is in threaded connection with the bearing seat, the worm is rotatably arranged on the frame, the worm is meshed with the worm wheel, and a hand wheel is arranged on the worm.

Compared with the prior art, the invention has the following beneficial effects:

1. this grinder's power device drives the rolling disc and rotates, makes relative rotation between rolling disc and the pulping disc, and then has realized the grinding to the waste material between rolling disc and the pulping disc, gets rid of the charging tray and rotates along with the rolling disc is synchronous, gets rid of the waste material in the storage chamber to between rolling disc and the pulping disc to make the waste material enter into and grind between rolling disc and the pulping disc, can guarantee that the waste material in the storage chamber all can be quick enter into between rolling disc and the pulping disc, the grinding speed is fast.

2. The inner wall of grinding vessel and the terminal surface of disk body are all provided with the grinding zone, can carry out abundant grinding to the material, and can carry out hierarchical grinding to the waste material, have both improved the grinding rate of waste material, can guarantee again that the granularity of the waste material after grinding is finer, and can directly be used for grinding the thick liquids, and then avoid broken grinding in-process to produce a large amount of dust, avoid causing the pollution to the environment.

Drawings

FIG. 1 is a schematic view in front cross-section of a polishing apparatus;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic front view of a refining disc;

FIG. 4 is a partial enlarged view at B in FIG. 3;

FIG. 5 is a schematic view in cross-section from the left of the refining disc;

FIG. 6 is a schematic top cross-sectional view of the speed reducer;

FIG. 7 is a schematic view in front cross-section of the chain drive mechanism;

FIG. 8 is an enlarged view of a portion of FIG. 7 at C;

FIG. 9 is a schematic front cross-sectional view of the drive device;

FIG. 10 is a partial enlarged view at D in FIG. 9;

fig. 11 is a schematic front cross-sectional view of the switching device.

In the figure: 1. a refining disc; 101. a coarse grinding zone; 102. a transitional grinding zone; 103. a fine grinding zone; 104. a mounting hole; 2; a rotating disc; 3. a grinding bin; 301. a feed inlet; 302. a discharge port; 4. a base; 5. a main shaft; 6. a bearing seat; 7. a worm wheel; 8. a lower bracket; 9. an upper bracket; 10. a worm; 11. sealing with filler; 12. a case; 13. an input shaft; 14. an output shaft; 1401. a wiring channel; 15. a drive gear; 16. a driven gear; 17. a driving reducing chain wheel; 1701. a first outer sleeve; 1702. a first hydraulic telescoping rod; 1703. a first arc-shaped link plate; 1704. a first buffer chamber; 1705. a first inner sleeve; 18. a passive reducing sprocket; 1801. a second outer sleeve; 1802. a second hydraulic telescoping rod; 1803. a second arc-shaped link plate; 1804. a second buffer chamber; 1805. a second inner sleeve; 1806. a piston; 1807. a movable rod; 1808. a cylinder; 19. a chain; 20. a second cylinder; 21. a second plunger; 22. a first plunger; 23. a first cylinder; 24. a pushing frame; 25. a hydraulic cylinder; 26. a movable cylinder; 2601. an annular table; 27. a pushing spring; 28. a permanent magnet; 29. an electromagnet; 30. a material throwing disc; 31. a first docking barrel; 32. and a second butt joint barrel.

Detailed Description

The present invention will be further described with reference to specific embodiments, however, it will be appreciated by those skilled in the art that the detailed description herein with reference to the accompanying drawings is for better illustration, and that the invention is not necessarily limited to such embodiments, but rather is intended to cover various equivalent alternatives or modifications, as may be readily apparent to those skilled in the art.

Fig. 1 to 11 are diagrams illustrating preferred embodiments of the present invention, and the present invention is further described below with reference to fig. 1 to 11.

The utility model provides a grinder, including the frame and install the power device in the frame, grind storehouse 3, rolling disc 2 and grinding disc 1 all set up in grinding storehouse 3, fixed connection between grinding disc 1 and the grinding storehouse 3, power device is connected and drives rolling disc 2 and rotate with rolling disc 2, rolling disc 2 and grinding disc 1 just set up, be provided with feed inlet 301 and discharge gate 302 on the grinding storehouse 3, feed inlet 301 and the one end intercommunication of the grinding vessel of grinding disc 1 keep away from the disk body, discharge gate 302 sets up the lateral part at grinding storehouse 3, discharge gate 302 just right with the junction of rolling disc 2 and grinding disc 1, be provided with in the storage chamber and get rid of charging tray 30, get rid of charging tray 30 and rolling disc 2 coaxial coupling. This grinder's power device drives rotor plate 2 rotation, makes relative rotation between rotor plate 2 and the thick liquid dish 1, and then has realized the grinding to the waste material between rotor plate 2 and the thick liquid dish 1, gets rid of the charging tray 30 and rotates along with rotor plate 2 is synchronous, gets rid of the waste material in the storage chamber to between rotor plate 2 and the thick liquid dish 1 to make the waste material enter into between rotor plate 2 and the thick liquid dish 1 grind, can guarantee that the waste material in the storage chamber all can be quick enter into between rotor plate 2 and the thick liquid dish 1, the grinding speed is fast.

Specific: as shown in fig. 1-2: the frame includes base 4, lower carriage 8, upper bracket 9, main shaft 5 and bearing frame 6, and lower carriage 8 installs the upside at base 4, and upper bracket 9 sets up the upside at lower carriage 8, and upper bracket 9 and lower carriage 8 detachable are connected, and bearing frame 6 sets up between upper bracket 9 and lower carriage 8, and bearing frame 6 level sets up. The middle part of main shaft 5 sets up in bearing frame 6, and the middle part of main shaft 5 is rotatably installed in bearing frame 6 through the bearing. The grinding bin 3 and the power device are respectively arranged at two ends of the main shaft 5, the grinding bin 3 and the power device are both arranged on the base 4, the power device is connected with one end of the main shaft 5, and the other end of the main shaft 5 is rotatably extended into the grinding bin 3 and is coaxially connected with the rotating disc 2 in the grinding bin 3.

The grinding bin 3 is a cylinder with both ends closed, a feed inlet 301 is arranged on the right side of the grinding bin 3, a discharge outlet 302 is arranged on the upper side or the lower side of the grinding bin 3, and in the embodiment, the discharge outlet 302 is arranged on the upper side of the grinding bin 3. The feed inlet 301 and the discharge outlet 302 are both communicated with the inner cavity of the grinding bin 3.

The grinding disc 1 is coaxially arranged in the grinding bin 3, the small end of the grinding cylinder of the grinding disc 1 is opposite to the feeding hole 301, the outer wall of the grinding cylinder of the grinding disc 1 is attached to the inner wall of the grinding bin 3, and the grinding disc 1 is fixedly connected with the grinding bin 3.

The structure of the rotating disc 2 is the same as that of the pulping disc 1, the rotating disc 2 is opposite to the pulping disc 1 and is coaxially arranged, and a storage cavity is formed between the rotating disc 2 and the pulping disc 1. The feed port 301 communicates with the storage chamber through the grinding cylinder of the refining disc 1 and feeds slurry to be ground into the storage chamber.

The main shaft 5 is coaxially provided with a mounting disc, the rotating disc 2 is coaxially connected with the mounting disc, and the mounting disc seals the small end of the grinding cylinder of the rotating disc 2, so that waste materials in the storage cavity can be discharged only between the rotating disc 2 and the pulping disc 1, and the waste materials can be ground through the rotating disc 2 and the pulping disc 1.

The right end of the main shaft 5 is also provided with a material throwing disc 30, the material throwing disc 30 is positioned in a material storage cavity between the rotating disc 2 and the pulping disc 1, a plurality of material throwing blades are arranged around the side part of the material throwing disc 30, the material throwing blades are arranged along the radial direction of the material throwing disc 30, the material throwing blades are arc-shaped, the outer end of each material throwing blade bends towards the rear side of the rotating direction, the material throwing disc 30 rotates along with the main shaft 5, and therefore slurry in the material storage cavity is thrown between the rotating disc 2 and the pulping disc 1, and waste materials are ground through the rotating disc 2 and the pulping disc 1.

A packing seal 11 is arranged between the grinding bin 3 and the main shaft 5, and the packing seal 11 can seal between the main shaft 5 and the grinding bin 3, so that slurry is prevented from leaking between the grinding bin 3 and the main shaft 5.

The grinding device further comprises an adjusting device, wherein the adjusting device is arranged between the upper bracket 9 and the lower bracket 8, the adjusting device is connected with the main shaft 5 and drives the main shaft 5 to axially move, and then the main shaft 5 drives the rotating disc 2 to axially move so as to adjust the distance between the rotating disc 2 and the pulping disc 1, and further adjust the granularity of waste materials after grinding.

The adjusting device comprises a worm 10 and a worm wheel 7, wherein the worm wheel 7 is rotatably arranged between an upper bracket 9 and a lower bracket 8, the worm wheel 7 is sleeved on the outer side of a bearing seat 6, the worm wheel 7 is in threaded connection with the bearing seat 6, the worm 10 is rotatably arranged on the upper bracket 9, the worm 10 is meshed with the worm wheel 7, a hand wheel is arranged on the worm 10, the worm 10 can be driven to rotate through the hand wheel, the worm wheel 7 is driven to rotate, the position of the bearing seat 6 is adjusted, the rotating disc 2 is driven to axially move through a main shaft 5, and the adjustment of the distance between the rotating disc 2 and the pulping disc 1 is realized.

The power device and the main shaft 5 can be connected by adopting a magnetic coupling, and the transmission between the power device and the main shaft 5 is not affected during the tiny interval adjustment. The main shaft 5 can also be a telescopic shaft, namely the main shaft 5 consists of two sections, the two sections of main shafts 5 are connected through a spline, and the main shaft 5 stretches and contracts along with the movement of the bearing seat 6. The power device can be detachably connected with the base 4 through bolts, and the position of the power device is adjusted after the main shaft 5 is adjusted so as to adapt to the position of the main shaft 5.

As shown in fig. 3-5, the refining disc 1 comprises a disc body, the disc body is in a circular ring shape, one side of the disc body is provided with a grinding cylinder, the grinding cylinder and the disc body are coaxially arranged, the diameter of the grinding cylinder is gradually reduced along the direction away from the disc body, a material storage cavity is formed in the grinding cylinder, and grinding areas are arranged on the inner wall of the grinding cylinder and the end face of the disc body away from the grinding cylinder. The grinding cylinder of the grinding disc 1 can store certain waste materials, the grinding of the waste materials can be realized by matching the two grinding discs 1, the grinding areas are formed in the inner wall of the grinding cylinder and the end face of the disc body, the materials can be sufficiently ground, the waste materials can be ground in a grading manner, the grinding speed of the waste materials is improved, the granularity of the waste materials after grinding can be ensured to be finer, the slurry can be directly ground, a large amount of dust is generated in the crushing and grinding process, and the environment is prevented from being polluted.

The disk body is the ring shape, and the grinding vessel sets up in one side of disk body, and the diameter of grinding vessel reduces gradually along the direction of keeping away from the disk body, and the diameter of the big end of grinding vessel is less than the external diameter of disk body, and the big end of grinding vessel corresponds the terminal surface fixed connection of side with the disk body, all is provided with the grinding zone on the terminal surface of the inner wall of grinding vessel and the disk body one end of keeping away from the grinding vessel, and the grinding vessel inner chamber is the storage chamber.

The slurry is directly fed into the storage cavity of the pulping disc 1, and the waste slurry can be ground through the two pulping discs 1 arranged in pairs, so that the grinding effect is good.

The grinding zone is including setting up at the rough grinding zone 101 of grinding vessel inner wall, set up at the disk body keep away from the fine grinding zone 103 of grinding vessel's terminal surface outer edge and set up the transition grinding zone 102 between rough grinding zone 101 and fine grinding zone 103, rough grinding zone 101 can carry out rough grinding to the waste material, transition grinding zone 102 can carry out transition grinding to the waste material, guarantee that the waste material can both be smooth and easy enter into in the fine grinding zone 103, fine grinding zone 103 can grind the waste material after the rough grinding to guarantee that the granularity of waste material is little after the grinding.

The disc body is provided with mounting holes 104, the mounting holes 104 are arranged between the transition grinding area 102 and the fine grinding area 103, and the mounting holes 104 are uniformly distributed around the disc body at intervals so as to facilitate the installation of the pulping disc 1.

As shown in fig. 6: the power device comprises a motor, a box body 12, an input shaft 13, an output shaft 14, a driving gear 15, a driven gear 16, a driving reducing chain wheel 17, a driven reducing chain wheel 18 and a chain 19.

The case 12 includes an upper case and a lower case, which are detachably connected by bolts. The input shaft 13 and the output shaft 14 are arranged between the upper box body and the lower box body, and the input shaft 13 and the output shaft 14 are parallel and are arranged at intervals. One end of the input shaft 13 and one end of the output shaft 14 extend out of the box body 12, the input shaft 13 is connected with a rotating shaft of the motor, and the output shaft 14 is connected with the main shaft 5. In this embodiment, the output shaft 14 is connected with the main shaft 5 through the magnetic coupling, and since the adjusting distance of the main shaft 5 in the axial direction is small, the adjusting requirement of granularity can be met, and therefore the magnetic coupling can ensure that the main shaft 5 and the output shaft 14 maintain a transmission state at any time.

The drive gear 15 and the drive variable diameter sprocket 17 are both coaxially mounted on the input shaft 13, and the drive gear 15 and the drive variable diameter sprocket 17 are disposed at intervals in the radial direction of the input shaft 13. The driven gear 16 and the driven variable diameter sprocket 18 are coaxially mounted on the output shaft 14, the driven gear 16 and the driven variable diameter sprocket 18 are arranged at intervals along the axial direction of the output shaft 14, the driving gear 15 and the driven gear 16 are meshed, and the driving variable diameter sprocket 17 and the driven variable diameter sprocket 18 are connected through a chain 19. The driving reducing chain wheel 17 and the driven reducing chain wheel 18 are both connected with a driving device, the driving device drives the diameters of the driving reducing chain wheel 17 and the driven reducing chain wheel 18 to synchronously change, and the diameter change directions of the driving reducing chain wheel 17 and the driven reducing chain wheel 18 are opposite, so that the adjustment of the transmission ratio is realized.

A ratchet mechanism is arranged between the driven gear 16 and the output shaft 14 or between the driven reducing sprocket 18 and the output shaft 14, namely, the driven gear 16 and the driven reducing sprocket 18 can drive the output shaft 14 to rotate, the output shaft 14 can not drive the driven gear 16 and the driven reducing sprocket 18 to rotate, and the transmission ratio of the driving gear 15 and the driven gear 16 is between the maximum transmission ratio and the minimum transmission ratio of the driving reducing sprocket 17 and the driven reducing sprocket 18.

Or the driven gear 16 and the driven reducing sprocket 18 can rotate relative to the output shaft 14, the switching device is arranged on the output shaft 14, and the switching device is arranged between the driven gear 16 and the driven reducing sprocket 18.

When the grinding device is started, the motor drives the input shaft 13 to rotate, and the input shaft 13 drives the output shaft 14 to rotate through the driving gear 15 and the driven gear 16, so that the starting torque is large. After a certain rotation speed is reached, the input shaft 13 drives the output shaft 14 to rotate through the chain 19, so that the high-speed rotation of the output shaft 14 is realized, and the driving device drives the diameter change of the driving reducing chain wheel 17 and the diameter change of the driven reducing chain wheel 18 at the same time, so that the transmission ratio is further adjusted, the rotation speed of the output shaft 14 is conveniently adjusted, and the starting convenience of the grinding device can be ensured.

As shown in fig. 7: the drive reducing sprocket 17 includes a first outer sleeve 1701, a first inner sleeve 1705, a first hydraulic telescoping rod 1702 and a first arcuate link plate 1703.

The first inner sleeve 1705 is coaxially sleeved outside the input shaft 13, and the first inner sleeve 1705 rotates synchronously with the input shaft 13. The first outer sleeve 1701 is spaced apart from the first inner sleeve 1705, and a space between the first outer sleeve 1701 and both ends of the first inner sleeve 1705 is closed by a first annular plate, thereby forming a first buffer chamber 1704 between the first outer sleeve 1701 and the first inner sleeve 1705. The outside of first outer sleeve 1701 is provided with first hydraulic telescoping rod 1702, and first hydraulic telescoping rod 1702 encircles first outer sleeve 1701 interval equipartition and has a plurality of, and first hydraulic telescoping rod 1702 radially sets up along first outer sleeve 1701, and first hydraulic telescoping rod 1702 and first outer sleeve 1701 fixed connection, the loose end of each first hydraulic telescoping rod 1702 all are connected with curved first arc link joint 1703, and each first arc link joint 1703 surrounds into the annular coaxial with input shaft 13, and the outside of first arc link joint 1703 is provided with the tooth with the meshing of chain 19. Each first hydraulic telescopic rod 1702 is communicated with the first buffer chamber 1704 and drives the first arc-shaped chain plates 1703 to synchronously stretch, so that the annular size formed by the surrounding of each first arc-shaped chain plate 1703 is adjusted, and the tensioning of the chain 19 can be realized by means of the pressure in the first buffer chamber 1704.

The passive reducing sprocket 18 includes a second outer sleeve 1801, a second inner sleeve 1805, a second hydraulic telescoping rod 1802, and a second arcuate link plate 1803.

The second inner sleeve 1805 is coaxially sleeved outside the output shaft 14, the second outer sleeve 1801 is sleeved outside the second inner sleeve 1805 at intervals, and the second outer sleeve 1801 and two ends of the second inner sleeve 1805 are closed through a second annular plate, so that a second buffer chamber 1804 is formed between the second outer sleeve 1801 and the second inner sleeve 1805. The outside of second outer sleeve 1801 is provided with second hydraulic telescoping rod 1802, and second hydraulic telescoping rod 1802 encircles the radial setting of second outer sleeve 1801 that second hydraulic telescoping rod 1802 has a plurality of to the interval equipartition, second hydraulic telescoping rod 1802 and second outer sleeve 1801 fixed connection, and each second hydraulic telescoping rod 1802's active end all is connected with curved second arc link joint 1803, and each second arc link joint 1803 surrounds into the coaxial annular with output shaft 14, and the outside of second arc link joint 1803 is provided with the tooth with chain 19 meshing. Each second hydraulic telescopic rod 1802 is communicated with the second buffer chamber 1804 and drives the second arc-shaped chain plates 1803 to synchronously stretch out and draw back, so that the annular size formed by the encircling of each second arc-shaped chain plate 1803 is adjusted, and the tensioning of the chain 19 can be realized by means of the pressure in the second buffer chamber 1804.

As shown in fig. 8: the structure of the first hydraulic expansion link 1702 is the same as that of the second hydraulic expansion link 1802, and in this embodiment, the structures of the first hydraulic expansion link 1702 and the second hydraulic expansion link 1802 are described by taking the structure of the second hydraulic expansion link 1802 as an example.

The second hydraulic telescoping rod 1802 includes a cylinder 1808, a piston 1806 and a movable rod 1807, the cylinder 1808 is an open-ended cylinder, the open end of the cylinder 1808 is fixedly connected to the second outer sleeve 1801, and the closed end of the cylinder 1808 is provided with a breathing hole. A piston 1806 is slidably mounted within a cylinder 1808, and a seal is provided between the piston 1806 and the inner wall of the cylinder 1808. One end of the movable rod 1807 slidably passes through the closed end of the cylinder 1808 and extends into the cylinder 1808, one end of the movable rod 1807 is fixedly connected with the piston 1806 in the cylinder 1808, and the other end is fixedly connected with the second arc-shaped chain plate 1803. The second outer sleeve 1801 is provided with a through hole communicating with the open end of the cylinder 1808.

As shown in fig. 9-10: the driving reducing sprocket 17 is rotatably connected with a first abutting cylinder 31, and the driven reducing sprocket 18 is rotatably connected with a second abutting cylinder 32. The connection between the driving variable diameter sprocket 17 and the first docking cylinder 31 is the same as the connection between the driven variable diameter sprocket 18 and the second docking cylinder 32, and in this embodiment, the connection between the driving variable diameter sprocket 17 and the first docking cylinder 31 will be described by taking the connection between the driving variable diameter sprocket 17 and the first docking cylinder 31 as an example.

The first butt-joint barrel 31 is a cylinder with one open end, the first butt-joint barrel 31 is sleeved outside the input shaft 13, the first butt-joint barrel 31 and the input shaft 13 can rotate relatively, and the closed end of the first butt-joint barrel 31 and the input shaft 13 are arranged in a sealing mode. One end of the first outer sleeve 1701 rotatably extends into the open end of the first docking barrel 31, and the first outer sleeve 1701 is in sealing arrangement with the first docking barrel 31. The first docking barrel 31 communicates with the first buffer chamber 1704.

The driving device comprises a hydraulic cylinder 25, a first cylinder body 23, a first plunger 22, a second cylinder body 20, a second plunger 21 and a pushing frame 24.

The first butt joint section of thick bamboo 31 is connected with first barrel 23, and first barrel 23 is the drum that both ends are all open, and first barrel 23 radially sets up along first butt joint section of thick bamboo 31, and the one end and the first butt joint section of thick bamboo 31 fixed connection of first barrel 23, and the inner chamber intercommunication of first barrel 23 and first butt joint section of thick bamboo 31. One end of the first plunger 22 extends into the other end of the first cylinder 23, and an O-ring is arranged outside the end of the first plunger 22 extending into the first cylinder 23, so that the first plunger 22 and the first cylinder 23 are arranged in a sealing way.

The second butt joint section of thick bamboo 32 is connected with second barrel 20, and second barrel 20 is the drum that both ends are all open, and second barrel 20 radially sets up along second butt joint section of thick bamboo 32, and second barrel 20 one end and second butt joint section of thick bamboo 32 fixed connection, and second barrel 20 and the inner chamber intercommunication of second butt joint section of thick bamboo 32. The second cylinder 20 is coaxial with and spaced from the first cylinder 23. One end of the second movable column 21 extends into the other end of the second cylinder 20, and an O-shaped ring is arranged outside the end of the second movable column 21 extending into the second cylinder 20, so that the second movable column 21 and the second cylinder 20 are arranged in a sealing way.

The pushing frame 24 is disposed between the first movable column 22 and the second movable column 21, and the first movable column 22 and the second movable column 21 are fixedly connected with the pushing frame 24. The hydraulic cylinder 25 is horizontally installed in the box 12, the movable end of the hydraulic cylinder 25 is connected with the pushing frame 24 and drives the pushing frame 24 to linearly move, so that the first movable column 22 and the second movable column 21 synchronously move, the pressure of the first buffer chamber 1704 and the pressure of the second buffer chamber 1804 change, the pressure changes of the first buffer chamber 1704 and the pressure of the second buffer chamber 1804 are opposite, the diameters of the driving variable diameter sprocket 17 and the driven variable diameter sprocket 18 synchronously change, the adjustment of the transmission ratio can be realized, and the chain 19 can be ensured to maintain a tensioning state.

As shown in fig. 11: the switching device comprises a movable cylinder 26, a push spring 27, a permanent magnet 28 and an electromagnet 29.

The movable cylinder 26 is coaxially sleeved outside the output shaft 14, an annular table 2601 is arranged around the inner wall of the middle part of the movable cylinder 26, an inner spline is arranged on the inner wall of the annular table 2601, an outer spline is arranged on the outer wall of the output shaft 14, the movable cylinder 26 is sleeved outside the output shaft 14, and the inner spline of the annular table 2601 is meshed with the outer spline of the output shaft 14, so that the movable cylinder 26 can not only keep synchronous rotation with the output shaft 14, but also move axially along the output shaft 14.

Side teeth are arranged on both end surfaces of the movable barrel 26, side teeth are arranged on the end surface of the driven gear 16, which is close to the movable barrel 26, and the end surface of the second inner sleeve 1805, and the side teeth at both ends of the movable barrel 26 can be alternately meshed with the side teeth of the driven gear 16 and the side teeth of the second inner sleeve 1805.

The pushing spring 27 is sleeved outside the output shaft 14, one end of the pushing spring 27 is supported on the end face of the second inner sleeve 1805, the other end of the pushing spring 27 extends into the movable barrel 26 and is supported on the lower end face of the annular table 2601, the pushing spring 27 is in a compressed state and pushes the movable barrel 26 to move upwards, and side teeth of the upper end face of the movable barrel 26 are meshed with side teeth of the driven gear 16.

A permanent magnet 28 is provided in the upper end of the movable tube 26, and the permanent magnet 28 is fixed to the upper end surface of the annular table 2601. An electromagnet 29 is arranged on the lower end face of the driven gear 16, the electromagnet 29 and the permanent magnet 28 are arranged opposite to each other, a wiring channel 1401 is arranged on the output shaft 14, a wire is connected with the electromagnet 29 through the wiring channel 1401, and the wire is connected with a cable through a slip ring.

The motor drives the input shaft 13 to rotate, the input shaft 13 drives the driving gear 15 and the driving reducing sprocket 17 to rotate at the same time, at the moment, under the action of the pushing spring 27, the side teeth of the upper end face of the movable cylinder 26 are meshed with the side teeth of the driven gear 16, and the driven gear 16 drives the output shaft 14 to rotate through the movable cylinder 26.

When the output shaft 14 reaches a certain rotating speed, the electromagnet 29 is electrified, the electromagnet 29 and the permanent magnet 28 generate repulsive force and push the movable cylinder 26 to move downwards, so that the side teeth at the upper end of the movable cylinder 26 are separated from the side teeth of the driven gear 16, and meanwhile, the side teeth at the lower end of the movable cylinder 26 are meshed with the side teeth of the second inner sleeve 1805, and the output shaft 14 is driven to rotate through the driven reducing chain wheel 18.

When the grinding device is used, the motor drives the input shaft 13 to rotate, and the input shaft 13 drives the main shaft 5 to rotate through the driving gear 15 and the driven gear 16, so as to drive the rotating disc 2 to rotate. After the rotating disc 2 rotates to a moving rotating speed, the input shaft 13 drives the output shaft 14 to rotate through the driving reducing chain wheel 17, the chain 19 and the driven reducing chain wheel 18, and then drives the output shaft 14 to rotate, so that smooth starting of the main shaft 5 can be ensured, and the main shaft 5 can be ensured to keep a certain rotating speed after starting, so that the grinding effect of the rotating disc 2 and the pulp grinding disc 1 on waste materials is ensured to be good.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any person skilled in the art may make modifications or alterations to the disclosed technical content to the equivalent embodiments. However, any simple modification, equivalent variation and variation of the above embodiments according to the technical substance of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A grinding apparatus, characterized in that: the grinding machine comprises a frame, a power device, a grinding bin (3), a rotating disc (2) and a pulp grinding disc (1), wherein the power device, the grinding bin (3), the rotating disc (2) and the pulp grinding disc (1) are arranged in the grinding bin (3), the pulp grinding disc (1) is fixedly connected with the grinding bin (3), the power device is connected with the rotating disc (2) and drives the rotating disc (2) to rotate, the rotating disc (2) is opposite to the pulp grinding disc (1), a feeding hole (301) and a discharging hole (302) are formed in the grinding bin (3), the feeding hole (301) is communicated with one end, far away from a disc body, of a grinding drum of the pulp grinding disc (1), the discharging hole (302) is formed in the side part of the grinding bin (3), the discharging hole (302) is opposite to the joint of the rotating disc (2) and the pulp grinding disc (1), and a material throwing disc (30) is arranged in a material storage cavity and is coaxially connected with the rotating disc (2);

the power device comprises a motor, a box body (12), an input shaft (13), an output shaft (14), a driving gear (15), a driven gear (16), a driving reducing chain wheel (17), a driven reducing chain wheel (18) and a chain (19);

the input shaft (13) and the output shaft (14) are rotatably arranged on the box body (12), the input shaft (13) is connected with a rotating shaft of the motor, the output shaft (14) is connected with the rotating disc (2), the driving gear (15) and the driving variable diameter sprocket (17) are fixedly arranged on the input shaft (13), the driven gear (16) and the driven variable diameter sprocket (18) are arranged on the output shaft (14), the driven gear (16) and the driven variable diameter sprocket (18) are connected with the output shaft (14) through a ratchet mechanism, or the driven gear (16) and the driven variable diameter sprocket (18) can rotate relative to the output shaft (14), and the output shaft (14) is provided with a switching device;

the driving gear (15) is meshed with the driven gear (16), the driving reducing sprocket (17) and the driven reducing sprocket (18) are connected through a chain (19), the driving reducing sprocket (17) and the driven reducing sprocket (18) are both connected with a driving device, and the transmission ratio of the driving gear (15) and the driven gear (16) is between the maximum transmission ratio and the minimum transmission ratio of the driving reducing sprocket (17) and the driven reducing sprocket (18);

the driving reducing chain wheel (17) comprises a first buffer chamber (1704), first arc-shaped chain plates (1703) and first hydraulic telescopic rods (1702), the first buffer chamber (1704) is in a ring shape sleeved outside the input shaft (13), a plurality of first hydraulic telescopic rods (1702) are arranged around the first buffer chamber (1704) at intervals, each first hydraulic telescopic rod (1702) is arranged along the radial direction of the first buffer chamber (1704), the movable end of each first hydraulic telescopic rod (1702) is provided with the first arc-shaped chain plates (1703), teeth meshed with the chain (19) are arranged outside the first arc-shaped chain plates (1703), each first arc-shaped chain plate (1703) is surrounded into a ring shape coaxial with the input shaft (13), rodless cavities of each first hydraulic telescopic rod (1702) are communicated with the first buffer chamber (1704), and the driving device is also communicated with the first buffer chamber (1704);

the passive reducing chain wheel (18) comprises a second outer sleeve (1801), a second inner sleeve (1805), a second hydraulic telescopic rod (1802) and a second arc-shaped chain plate (1803);

the second inner sleeve (1805) is coaxially sleeved outside the output shaft (14), the second outer sleeve (1801) is sleeved outside the second inner sleeve (1805) at intervals, and the second outer sleeve (1801) and two ends of the second inner sleeve (1805) are sealed through second annular plates, so that a second buffer chamber (1804) is formed between the second outer sleeve (1801) and the second inner sleeve (1805); the outer side of the second outer sleeve (1801) is provided with second hydraulic telescopic rods (1802), a plurality of second hydraulic telescopic rods (1802) are uniformly distributed around the second outer sleeve (1801) at intervals, the second hydraulic telescopic rods (1802) are arranged along the radial direction of the second outer sleeve (1801), the second hydraulic telescopic rods (1802) are fixedly connected with the second outer sleeve (1801), the movable ends of the second hydraulic telescopic rods (1802) are connected with arc-shaped second arc-shaped chain plates (1803), the arc-shaped second arc-shaped chain plates (1803) are surrounded into an annular shape coaxial with the output shaft (14), and teeth meshed with the chain (19) are arranged on the outer side of the second arc-shaped chain plates (1803); each second hydraulic telescopic rod (1802) is communicated with a second buffer chamber (1804) and drives a second arc-shaped chain plate (1803) to synchronously stretch out and draw back, so that the annular size formed by the encircling of each second arc-shaped chain plate (1803) is adjusted, and the tensioning of the chain (19) can be realized by means of the pressure in the second buffer chamber (1804);

the pressure changes of the first buffer chamber (1704) and the second buffer chamber (1804) are opposite, so that the diameters of the driving variable-diameter sprocket (17) and the driven variable-diameter sprocket (18) are synchronously changed;

the driving device comprises a hydraulic cylinder (25), a first cylinder body (23), a first movable column (22), a second cylinder body (20), a second movable column (21) and a pushing frame (24), wherein the driving reducing chain wheel (17) is rotatably connected with a first butt joint cylinder (31), the driven reducing chain wheel (18) is rotatably connected with a second butt joint cylinder (32), the first cylinder body (23) is communicated with the first butt joint cylinder (31), the second cylinder body (20) is communicated with the second butt joint cylinder (32), the first cylinder body (23) and the second cylinder body (20) are opposite to each other and are arranged at intervals, the pushing frame (24) is located between the first cylinder body (23) and the second cylinder body (20), one end of the first movable column (22) is slidably extended into the first cylinder body (23), the other end of the first movable column (22) is fixedly connected with the pushing frame (24), one end of the second movable column (21) is slidably extended into the second cylinder body (20), and the other end of the second movable column (21) is fixedly connected with the pushing frame (24) and the second cylinder body (24) in a reciprocating mode, and the first cylinder body (24) is in a reciprocating mode.

2. The grinding apparatus defined in claim 1, wherein: the pulping disc (1) comprises a disc body, wherein the disc body is in a circular shape, one side of the disc body is provided with a grinding cylinder, the grinding cylinder and the disc body are coaxially arranged, the diameter of the grinding cylinder along the direction away from the disc body is gradually reduced, a material storage cavity is formed in the grinding cylinder, and grinding areas are formed on the inner wall of the grinding cylinder and the end face of the disc body away from the grinding cylinder.

3. The grinding apparatus defined in claim 2, wherein: the grinding zone comprises a coarse grinding zone (101) arranged on the inner wall of the grinding cylinder, a fine grinding zone (103) arranged on the outer edge of the disc body, and a transitional grinding zone (102) arranged between the coarse grinding zone (101) and the fine grinding zone (103).

4. A grinding device according to claim 2 or 3, characterized in that: a plurality of bulges are arranged on the inner wall of the grinding cylinder and the end face of the disc body at intervals to form the grinding area.

5. The grinding apparatus defined in claim 1, wherein: the side part of the material throwing disc (30) is provided with a plurality of material throwing blades, and the material throwing blades are arc-shaped with outer ends bent towards the rear side of the rotating direction.

6. The grinding apparatus defined in claim 1, wherein: the device also comprises an adjusting device, wherein the rotating disc (2) is rotatably connected with the adjusting device, and the adjusting device drives the rotating disc (2) to move towards the direction close to or far away from the pulping disc (1).

7. The grinding apparatus defined in claim 6, wherein: the adjusting device comprises a bearing seat (6), a worm wheel (7) and a worm (10), wherein the bearing seat (6) is movably arranged on a frame, a rotating disc (2) is rotatably arranged on the bearing seat (6) through a main shaft (5), the worm wheel (7) is rotatably arranged on the frame, the worm wheel (7) is arranged outside the bearing seat (6), the worm wheel (7) is in threaded connection with the bearing seat (6), the worm (10) is rotatably arranged on the frame, the worm (10) is meshed with the worm wheel (7), and a hand wheel is arranged on the worm (10).