CN206587840U - Vertical sand making machine - Google Patents

Abstract

The utility model discloses a vertical sand making machine. The vertical sand making machine includes a bracket, on which there is a cylinder, the upper and lower ends of the cylinder are respectively provided with a feed port and a discharge port, the inner wall of the cylinder is provided with a counter-attack plate, and the cylinder is provided with a rotating axis along the The main shaft extending up and down, the main shaft is equipped with a rotor, and the outer periphery of the main shaft is provided with a material equalizing device above the rotor. Fixed on the upper surface of the distribution tray, the uniform material device has a plurality of strip-shaped protrusions protruding upwards, and each strip-shaped protrusion is arranged at intervals and radially centered on the main shaft. After the equalizing device is severely worn, only the guard plate of the distribution plate needs to be replaced, which avoids replacing the entire equalizing device and saves costs.

Description

Vertical Sand Making Machine

technical field

The utility model belongs to the technical field of sand making equipment, in particular to a vertical sand making machine.

Background technique

Sand making machine is a kind of crusher used for crushing ore materials, which has been widely used in many fields such as building materials, construction sand making, chemical industry, metallurgy, road, railway and water conservancy. For example, the Chinese patent with the authorized notification number CN 203304009 U discloses a vertical crusher. The vertical crusher includes a motor and a bucket chamber. The inner wall of the cavity is provided with a lining guard plate, and the central axis of the barrel cavity is provided with a rotating shaft. The motor drives the rotating shaft in the barrel cavity to rotate. There is a circular crushing part on the rotating shaft. A distribution tray is arranged on the rotating shaft, and the distribution tray is disc-shaped. When in use, after the material enters the barrel cavity from the feed hopper, it is evenly distributed through the distribution plate, and then under the cooperation of the circular crushing part and the inner lining board, the material is crushed and divided after being impacted and squeezed. The material tray plays the role of evenly distributing the materials, effectively increasing the crushing area, thereby improving the crushing efficiency. However, since the distribution tray is constantly worn by the materials during work, it will be worn out soon. When the wear is severe, the entire distribution tray can only be replaced, which will cause a large cost.

Utility model content

The purpose of the utility model is to provide a vertical sand making machine to solve the technical problem that the whole distributing tray needs to be replaced after wear and tear, resulting in high cost.

The technical scheme of the vertical sand making machine of the utility model is: the vertical sand making machine includes a bracket, a cylinder is provided on the bracket, and the upper and lower ends of the cylinder are respectively provided with a feed port and a discharge port. There is a counter-attack plate on the inner wall, and a main shaft whose rotation axis extends in the vertical direction is arranged in the cylinder. A rotor is installed on the main shaft, and an equalizing device is arranged on the outer periphery of the main shaft above the rotor. The tray guard, the distribution tray guard is fixed on the upper surface of the distribution tray through a detachable connection structure. The center is radial.

The guard plate of the distribution tray is arranged at the edge on the upper surface of the distribution tray.

The strip-shaped protrusions include the first strip-shaped protrusions arranged on the distribution tray and the second strip-shaped protrusions arranged on the guard plate of the distribution tray, the first strip-shaped protrusions and the second strip-shaped protrusions The starting parts are set in one-to-one correspondence.

The height of the first strip-shaped protruding portion gradually decreases from inside to outside along the radial direction of the main shaft.

The protective plate of the material distribution tray is formed by a plurality of sub-plates arranged around the circumference, and each sub-plate is correspondingly provided with a second strip-shaped raised part.

The outer end of the guard plate of the distribution tray has a downward flange, and the flange is located outside the outer peripheral surface of the distribution tray.

The rotor includes a rotor frame and a plurality of hammerheads arranged in the circumferential direction of the rotor frame, and the distribution plate is fixed on the upper end surface of the rotor frame by fixing bolts of the distribution plate.

There is a tooth shape on the counterattack plate, the tooth shape has a tooth tip and a tooth bottom, and the tooth shape is inclined from top to bottom relative to the axis of the main shaft.

The detachable connection structure is the fixing bolt of the distribution tray.

The beneficial effects of the utility model are: when in use, the main shaft rotates, the material enters from the feeding port, and falls on the uniform material device, the material rotates on the material uniform device, and falls into the crushing cavity evenly around, the uniform material device The setting is conducive to the material falling evenly around; the strip-shaped protrusions prevent the material from rotating on the distribution tray all the time, and the materials will fall down along the strip-shaped protrusions; since the distribution tray guard plate is fixed on the On the distribution tray, the distribution tray guard plate plays a protective role for the distribution tray. When the distribution tray guard plate is severely worn, the lower distribution tray guard plate can be removed and a new one can be replaced to avoid replacing the entire distribution tray. Material device, saving cost.

Description of drawings

Fig. 1 is the schematic diagram of the utility model neutral sand making machine;

Fig. 2 is a structural schematic view of the rotor of the utility model neutral sand making machine installed on the main shaft;

Fig. 3 is a schematic structural view of the rotor frame of the utility model neutral sand making machine;

Fig. 4 is the B direction view of Fig. 3;

Fig. 5 is a sectional view along line A-A in Fig. 3;

Fig. 6 is a top view of the rotor frame of the utility model neutral sand making machine;

Fig. 7 is a three-dimensional schematic diagram of the hammer head of the utility model neutral sand making machine;

Fig. 8 is a bottom view of the hammer head of the utility model neutral sand making machine;

Fig. 9 is a sectional view of the hammer head of the utility model neutral sand making machine;

Fig. 10 is a front view of the hammer head of the utility model neutral sand making machine;

Fig. 11 is a three-dimensional schematic diagram of the impact plate of the neutral vertical sand making machine of the present invention;

Fig. 12 is the front view of the impact plate of the utility model neutral sand making machine;

Figure 13 is a cross-sectional view of the impact plate of the utility model neutral sand making machine;

Fig. 14 is a schematic diagram of the support part of the lower bearing of the utility model neutral sand making machine;

Figure 15 is a schematic structural view of the distribution tray of the utility model neutral sand making machine;

Fig. 16 is a top view of the distribution tray of the utility model neutral sand making machine;

Figure 17 is a structural schematic diagram of the sub-board of the utility model neutral sand making machine;

Fig. 18 is a sectional view along line E-E in Fig. 17;

Fig. 19 is a view taken along the direction D in Fig. 17 .

In the figure: 1. Cylinder; 2. Feed inlet; 3. Discharge port; 4. Main shaft; 5. Counterattack plate; 6. Rotor; 7. Rotor frame; 8. Hammer head; 10. Hammer head bolt perforation; 11. Strip adjustment positioning groove; 12. Buffer gap; 13. Distribution tray; 14. Distribution tray guard; 15. Lower sealing cone; 16. Counter-attack plate fixing hole; 17. Tooth tip; 18. Tooth bottom; 19. Arc surface; 20. Primary labyrinth seal; 21. Oil seal for secondary rotating shaft; 22. Oil seal for third rotating shaft; 23. Lower bearing; 24. Evening device ;25. Material recoil area; 26. Flat key; 27. Mounting surface; 28. Facing material surface; 32. Strip-shaped convex rib; 33. Fixing bolt of material distribution plate guard plate; 34. Sub-plate; 35. The first A strip-shaped raised part; 36, a second strip-shaped raised part; 37, a flanging; 38, a fixing bolt of the distribution tray.

detailed description

The embodiment of the utility model neutral sand making machine is shown in Fig. 1-19. The vertical sand making machine includes a bracket, a cylinder body 1 and a driving device, and the cylinder body 1 and the driving device are arranged on the bracket. The upper and lower ends of the cylinder 1 are respectively provided with a feed inlet 2 and a discharge outlet 3 , the cylinder 1 is provided with a main shaft 4 whose rotation axis extends along the up and down direction, and the inner wall of the cylinder 1 is provided with a counter-attack plate 5 .

The driving device includes a motor and a transmission mechanism connected with the motor. The transmission mechanism is a belt transmission mechanism. The output shaft of the transmission mechanism is connected with the main shaft. The motor includes a frequency conversion controller. By adjusting the motor frequency input parameters and controlling the input current to achieve different motor speed control methods, the equipment rotor speed can be adjusted without level restrictions within the specified range.

The main shaft 4 is provided with three rotors 6 along the axial direction of the main shaft, each rotor is arranged at intervals in the axial direction of the main shaft, and the rotation radius of the lower rotor among the two adjacent rotors is larger than that of the upper rotor. There are buffer gaps 12 between adjacent rotors in the axial direction of the main shaft, and the lower end of the lowest rotor also has buffer gaps 12 . Each rotor 6 includes a rotor frame 7 arranged on the main shaft and four hammerheads 8 arranged in the circumferential direction of the rotor frame 7, and the outer ends of the hammerheads 8 along the rotational radial direction are gradually inclined outward from top to bottom.

The outer periphery of the main shaft 4 is provided with a uniform material device 24 above the rotor. The uniform material device 24 includes a material distribution plate 13 and a material distribution plate guard plate 14. The material distribution plate is fixed to the uppermost rotor frame by the material distribution plate fixing bolt 38 On the upper end face of the material distribution tray 14 is fixed on the edge of the upper surface of the distribution tray 13 through a detachable connection structure. In this embodiment, the distribution tray guard 14 is fixed by the bolts 33 is fixed on the upper surface of the distribution tray 13, that is to say, the detachable connection structure in this embodiment is the fixing bolt 33 of the distribution tray guard plate. The outer end of the guard plate of the distribution tray has a downward flange 37, and the flange 37 is located outside the outer peripheral surface of the distribution tray. Distributing pan guard plate 14 is formed by six sub-plates 34 enclosing a circle along the circumferential direction. The homogenizing device has six upwardly protruding strip-shaped protrusions, and each strip-shaped protrusion is arranged at intervals and is radial with the main axis as the center. Strip protrusion comprises the first strip protrusion part 35 that is located on the distribution pan and the second strip protrusion part 36 that is located on the distribution pan guard plate, the first strip protrusion part 35 and the second The strip-shaped protrusions 36 are provided in one-to-one correspondence, and the height of the first strip-shaped protrusion gradually decreases from the inside to the outside along the radial direction of the main axis. When in use, the main shaft rotates, and the material enters from the feeding port and falls on the uniform material device. The material rotates on the material uniform device and falls evenly to the surroundings into the crushing cavity. The strip-shaped protrusions prevent the material from rotating on the distribution tray all the time, and the materials will fall down along the strip-shaped protrusions; since the distribution tray guard plate is fixed on the distribution tray by the fixing bolts of the distribution tray guard plate, The distribution tray guard plays a protective role for the distribution tray. When the distribution tray protection plate is severely worn, the lower distribution tray protection plate can be removed and a new distribution tray protection plate can be replaced; because the material will flow along the radial direction under the centrifugal action Moving outward, the amount of wear of the distribution disc from the inside to the outside in the radial direction is different. The outer end of the distribution disc wears more seriously in the radial direction, and it is more reasonable to set the distribution disc guard at the edge of the distribution disc. , making full use of the distribution tray guard; the flanging of the distribution tray guard protects the outer peripheral surface of the distribution tray and prevents the outer peripheral surface of the distribution tray from being worn.

The hammer head is fixed on the rotor frame 7 through the hammer head fixing bolts and nuts. The hammer head fixing bolt is an oval head high-strength bolt, and the nut is a locknut. The rotor frame 7 is provided with a rotor frame bolt hole 9 for the hammer head fixing bolt to pass through, and the hammer head 8 is provided with a hammer head bolt hole 10 corresponding to the rotor frame bolt hole 9, and the rotor frame bolt hole 9 is the length of the main shaft. A long hole extending radially from the inside to the outside. The hammerhead 8 is a rectangular plate-like structure. Two hammerhead bolt perforations 10 are arranged at intervals along the up and down direction on one hammerhead. The apertures of the two hammerhead bolt perforations 10 are consistent. The center line is symmetrical, and the distance from the center of the upper and lower hammer head bolt holes to the corresponding side of the hammer head is equal, that is, the distance from the center of the bolt hole on the upper side to the upper side of the hammer head and the center of the bolt hole on the lower side The distance to the lower side of the hammer head is equal, and the hammer head can be installed in a 180° turn to maximize utilization. The hammer head is provided with a plurality of strip-shaped adjustment positioning grooves 11, and the strip-shaped adjustment positioning grooves are arranged parallel to the center connection line between the two hammer head bolts. The strip-shaped rib 32 is matched, and the matched strip-shaped positioning groove and the strip-shaped rib can prevent the hammerhead from swinging. Because the rotor frame bolt hole 9 is a long hole, the position of the hammer head can be adjusted radially to compensate the amount of wear of the hammer head after the hammer head is worn, and the strip-shaped adjustment positioning groove matched with the strip-shaped rib is also adjusted simultaneously.

The distance from the inner end of the counterattack plate 5 to the axis of rotation of the main shaft is consistent from top to bottom. The counterattack plate 5 is fixed and installed on the inner wall of the cylinder through lag bolts set in the counterattack plate fixing holes 16. There are multiple counterattack plates 5, and there are multiple counterattack plates. The inner wall of the cylinder is spliced so as to make a circle around the inner wall of the cylinder, and meanwhile the inner wall of the cylinder extends from the upper end to the lower end of the inner wall of the cylinder. There is a tooth shape on the counterattack plate, and the tooth shape has tooth tips 17 and tooth bottoms 18 . The tooth shape is inclined from top to bottom relative to the axis of the main shaft, that is, the impact plate has a tooth pressure angle. The tooth pressure angle means that it is designed to have a certain geometric pressure angle β when viewed from the axial direction, and the transverse section is a tooth structure. The impact plate is made of high manganese steel wear-resistant material. The tooth-shaped structure design of the counterattack plate is developed by the collision trajectory of the material, so that the material moves downward after being crushed, and avoids the phenomenon of repeated regrinding and crushing of the material. Figure 9 number 11 arc surface. The arc surface 19 is the joining surface of the counter-attack plate and the inner wall of the cylinder.

The upper and lower ends of the main shaft are respectively supported and installed on the cylinder body by the upper and lower bearings. The parts supported by the upper bearing and the parts supported by the lower bearing 23 are all sealed with three combined seals. The three combined seals include a labyrinth seal 20, a second The oil seal 21 for the first-stage rotating shaft and the oil seal 22 for the third-stage rotating shaft. The first-stage labyrinth seal 20 is sealed by multiple small tortuous gaps, which can effectively block fine powdery particles; the second- and third-stage rotary shaft seals are contact-type tension seals, which are reliable for dust-proof and leak-proof dynamic sealing performance , long service life, easy disassembly and maintenance.

The supporting parts of the upper bearing and the supporting parts of the lower bearing 23 are supplied with oil through an automatic lubricating system. The automatic lubricating system includes an automatic oil supply pump, an oil supply pipeline and a control cabinet. The control cabinet includes a controller, a display and a time setting button, and the display The time setting button is connected with the controller, and the controller is connected with the automatic oil supply pump. The oil supply time is set by the time setting button, and the automatic oil supply pump is controlled by the controller to supply oil regularly and quantitatively. The oil supply is pure oil after automatic sewage discharge, which can avoid the maintenance method of regular cleaning and replacement of lubricating oil.

The vertical sand making machine in the utility model has the following characteristics: (1) V-shaped crushing cavity is adopted, and the V-shaped crushing cavity refers to the axial cross-sectional shape of the space where the material is crushed from entering to discharging. (2) A three-layer conical rotor is adopted. The three-layer conical rotor means that there are three rotors 6 arranged along the axis of the main shaft, and the outer diameters of the three rotors gradually increase from top to bottom; (3) The impact plate has teeth Shaped pressure angle means that the contact surface (viewed from the axial direction) between the impact plate and the material inside the cylinder is designed as a tooth-shaped structure with a certain geometric pressure angle; (4) The adjustable hammer head is used, and the hammer head is vulnerable to contact with the material The hammer head can be moved laterally to compensate for the amount of wear, and the hammer head can be disassembled at 180° to ensure the normal use of the installation form; (5) It adopts a three-way combined sealing structure, and the upper and lower supporting parts of the main shaft are designed as a first-level labyrinth with dust-proof seals (6) Frequency conversion stepless speed regulation is adopted, the main shaft drives the rotor to run, and the speed within the specified range is frequency conversion control without level limit adjustment method; (7) Automatic oil supply is maintenance-free, the upper and lower supporting parts of the main shaft, the lubricating system is intelligently set for timing and quantitative supply, pure oil is fed, and dirty oil is automatically removed to avoid regular cleaning and replacement of lubricating oil.

The linear speed of the rotor of the vertical sand making machine is 15-42m/s, and it is operated by frequency conversion speed regulation, and different linear speeds can be realized according to the physical and chemical indicators of the broken material. The V-shaped crushing chamber is adopted, and the rotor has a 3-layer conical structure from top to bottom, so that multi-layer buffering can be realized during the impact of materials, and different counterattack forces can be obtained evenly distributed. The life of the wearing parts of the hammer head is more than 5 times that of the vertical shaft impact sand making machine. The wear-resistant parts are made of high-chromium composite alloy material. The wear amount can be adjusted regularly only by loosening the bolts, so as to maximize the utilization rate of the wearing parts. To control the particle size of the finished material, you only need to adjust the appropriate rotor linear speed and the clearance of the crushing chamber, and the qualified rate of the finished product is over 65% (≥120 mesh). The material is formed from top to bottom, and there is no repeated grinding phenomenon. The energy consumption ratio is 1.5-4kw.h/t (≥120 mesh), which effectively improves the production efficiency. Open the 180° double-separated inspection door, loosen the bolts of the vulnerable parts of the hammer head, and replace the vulnerable parts without opening the case, which is convenient and quick to maintain and repair. The intelligent automatic lubrication system adds lubricating oil regularly and quantitatively. After setting, no manual operation is required to ensure the reliable and long-term operation of the whole machine.

Arrows in Fig. 1 indicate that the material enters from the feed port and goes out from the discharge port, and the number 25 in Fig. 1 is the uniform recoil zone. Number 26 is a flat key among Fig. 2. In Fig. 7, label 27 is the mounting surface, and label 28 is the material-receiving surface. The main shaft is provided with a lower sealing cone 15 at the lower end of the rotor.

In other embodiments of the utility model neutral sand making machine, the rotation radius of the lowermost end of the lower rotor among two adjacent rotors is larger than the lowermost rotation radius of the upper rotor.

In other embodiments of the utility model neutral sand making machine, there may be one, two or more than three rotors.

In other embodiments of the utility model neutral sand making machine, the distance from the outer end of the rotor along the rotation radial direction to the rotation axis of the main shaft is consistent up and down, and the inner end of the counterattack plate is gradually inclined inwardly from top to bottom.

In other embodiments of the utility model neutral sand making machine, the detachable connection structure is a clamping mechanism that can be tightened and loosened, and the detachable connection between the guard plate of the distribution tray and the distribution tray is realized through the clamping mechanism. .

Claims (9)

1. vertical sand making machine, including support, support are provided with cylinder, the upper and lower end of cylinder is respectively equipped with charging aperture and discharging opening, The inwall of cylinder is provided with counterpunch board, cylinder provided with the main shaft that pivot center is vertically extending, and main shaft is provided with rotor, It is characterized in that：Homogenizing device is provided with the top of rotor on the periphery of main shaft, homogenizing device includes material separating disc and material separating disc is protected Plate, material separating disc backplate is fixed on the upper surface of material separating disc by releasable connection structure, and homogenizing device has multiple protruding upward Strip projected parts, each strip projected parts be arranged at intervals and centered on main shaft radially.

2. vertical sand making machine according to claim 1, it is characterised in that：Material separating disc backplate is on the upper surface of material separating disc Edge.

3. vertical sand making machine according to claim 2, it is characterised in that：Strip projected parts include first on material separating disc Strip projected parts part and the second strip bossing on material separating disc backplate, the first strip projected parts part and the second strip are convex Play part and correspond setting.

4. vertical sand making machine according to claim 3, it is characterised in that：The height of first strip projected parts part is along main shaft Radially gradually step-down from inside to outside.

5. vertical sand making machine according to claim 3, it is characterised in that：Material separating disc backplate is circumferentially enclosed by multiple points of plates to be set Form within one week, be each correspondingly arranged on a second strip bossing on point plate.

6. vertical sand making machine according to claim 1, it is characterised in that：The outer end of material separating disc backplate has downward turn over Side, flange is located at the outside of the outer peripheral face of material separating disc.

7. vertical sand making machine according to claim 1, it is characterised in that：Rotor includes rotor rack and the week located at rotor rack Upward multiple tups, material separating disc is fixed on the upper surface of rotor rack by material separating disc fixing bolt.

8. vertical sand making machine according to claim 1, it is characterised in that：There is tooth form, tooth form has crown on counterpunch board And bottom of the tooth, the axis of tooth form relative main from top to bottom is obliquely installed.

9. vertical sand making machine according to claim 8, it is characterised in that：Releasable connection structure is material separating disc fixing bolt.