CN209968554U

CN209968554U - Lime grinding device

Info

Publication number: CN209968554U
Application number: CN201920379171.8U
Authority: CN
Inventors: 黄小妹; 陈军; 黄深秀
Original assignee: Zhongshan Jianhong New Building Materials Co Ltd
Current assignee: Zhongshan Jianhong New Building Materials Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-01-21
Anticipated expiration: 2029-03-22

Abstract

The utility model relates to a grinding device technical field, more specifically say, it relates to a lime grinder. The key points of the technical scheme are as follows: including barrel and feeding subassembly, the feeding subassembly includes base and feeding case, the one end of barrel is the feed end, and the other end is the discharge end, the lateral wall of feeding case is provided with the intercommunication mouth, the intercommunication mouth with be connected with the inlet pipe between the feed end, be provided with the buffer board in the feeding case, the buffer board with the inner wall looks butt of feeding case just slides from top to bottom, the upper surface of buffer board is provided with the inclined plane, the inclined plane is kept away from the buffer board the one end of inlet pipe is close to the buffer board the one end of inlet pipe is the downward sloping setting, the buffer board with be provided with elastic component between the bottom of the case of feeding case. This lime grinder's feeding subassembly plays the effect of buffering at reinforced in-process to the material, reduces the material and causes the harm to the feed end because of the effect of gravity.

Description

Lime grinding device

Technical Field

The utility model relates to a grinding device technical field, more specifically say, it relates to a lime grinder.

Background

Limestone is a main raw material for cement production, and a cement factory needs to grind and process blocky limestone after crushing the blocky limestone when producing cement.

In the prior art, a ball mill is usually used for processing crushed limestone into powdery lime powder, so that the lime meets the process requirements. After the lime is crushed, the lime enters a ball mill for crushing and then is sent to the next ore dressing process. For a closed circuit grinding system, the limestone product passes through a grading device, and coarse particles are returned to the ball mill for regrinding. The working principle is that the motor is directly connected with the big gear and the small gear (or through the reducer) to perform speed reduction transmission to drive the cylinder body to rotate.

The existing structure is as follows: the barrel supports on the main bearings at both ends, one end is connected with the feeding device, and the other end is connected with the discharging port for discharging. The grinding balls are arranged in the cylinder body. Under the action of centrifugal force and friction force, the grinding balls are lifted to a certain height and are in a throwing or dropping state, limestone entering the cylinder body and needing to be ground is continuously pushed by the feeding device, is ground by the moving grinding medium, and qualified products are discharged out of the cylinder body through the discharge port. However, in the ball mill in the prior art, when limestone in the feeding pipe enters the feeding end, the feeding end is damaged due to the action of gravity. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lime grinder, this lime grinder's feeding subassembly plays the effect of buffering to the material at reinforced in-process, reduces the material and causes the harm to the feed end because of the effect of gravity.

The utility model discloses a technical scheme realize like this: the utility model provides a lime grinder, includes barrel and feeding subassembly, the feeding subassembly includes the base and sets up the feeding case on the base, the one end of barrel is the feed end, and the other end is the discharge end, the lateral wall of feeding case is provided with the intercommunication mouth that feeds through in feeding incasement portion, the intercommunication mouth with be connected with the inlet pipe between the feed end, the feeding incasement is provided with the buffer board, the buffer board with the inner wall looks butt of feeding case just slides from top to bottom, the upper surface of buffer board is provided with the inclined plane, the inclined plane is kept away from the buffer board the one end of inlet pipe is close to the buffer board the one end of inlet pipe is the downward sloping setting, the buffer board with be provided with elastic component between the bottom of the case of feeding case.

Through adopting foretell technical scheme, when the feed case was added to cubic material, the material produced certain impact force to the buffer board because the effect of gravity, and elastic component plays the effect of buffering to cubic material, has reduced the impact force when the material dropped the feed end of barrel, and then has reduced the harm to the feed end at reinforced in-process.

As a further improvement of the utility model, the elastic component include mounting panel and a plurality of root set up in the spring of mounting panel, the one end of spring connect in the bottom surface of buffer board, the other end connect in the mounting panel, mounting panel demountable installation in the bottom of the case of feeding case, the bottom of the case of feeding case is provided with a plurality of groups and is used for fixing the fixed subassembly of mounting panel, the viewing aperture has been seted up to the lateral wall of feeding case, the lateral wall of feeding case is provided with and is used for the lid to close the apron of viewing aperture.

Through adopting foretell technical scheme, the elastic component takes place to damage easily after long-time the use, and mounting panel demountable installation is convenient for the later stage to change and maintain elastic component at the bottom of the case of feeding case, and the setting up of viewing aperture is convenient for operating personnel and installs elastic component in the feeding case, can be convenient for clean and maintain the feeding case through the viewing aperture simultaneously.

As a further improvement of the utility model, fixed subassembly include block piece, screw rod and with screw rod screw-thread fit's nut, the screw rod along vertical direction fixed set up in the upper surface of mounting panel, the one end of block piece articulate in the bottom of the case of feeding case, the U-shaped recess has been seted up on the block piece, the notch of recess set up in the block piece keeps away from the tip of pin joint.

Through adopting foretell technical scheme, when needing fixed mounting panel, rotatable grip piece free end makes the screw rod on the mounting panel pass the recess of grip plate free end to it is fixed with the grip plate through the rotating nut, thereby realizes fixing the mounting panel on the bottom of the case of feed box.

As a further improvement of the utility model, a handle is arranged on the nut.

Through adopting foretell technical scheme, thereby the setting of handle is convenient for operating personnel to rotate the nut and is fixed the mounting panel.

As a further improvement, the upper surface of the mounting plate is provided with a guide bar along the vertical direction, and the spring is sleeved on the guide bar.

Through adopting foretell technical scheme, the guide bar has played the effect of protection to the spring, thereby prevents that the spring from leading to the spring to scrap because of transition compression produces deformation.

As a further improvement, the top of the feeding box is provided with a funnel, the funnel is funnel-shaped.

Through adopting foretell technical scheme, the setting of drawing the hopper is convenient for feed in raw material to the feeding case, thereby reduces the material and drops outside the feeding case and cause the loss of material at reinforced in-process.

As a further improvement, the inclined plane is provided with the guiding gutter that is used for the water conservancy diversion material, the tank bottom of guiding gutter is circular-arc setting.

Through adopting foretell technical scheme, the setting up of guiding gutter reduces the material and piles up in the feeding incasement for the material in the feeding incasement flows into the barrel through the inlet pipe more easily, and then makes this grinder more smooth and easy at reinforced in-process.

As a further improvement of the utility model, the inlet pipe with the junction of intercommunication mouth is provided with the elastic rubber circle.

Through adopting foretell technical scheme, the setting up of elastic rubber circle has improved the leakproofness between inlet pipe and the intercommunication mouth, reduces the material loss.

To sum up, the utility model discloses following beneficial effect has:

1. when the crushed limestone is added into the feeding box, the limestone generates certain impact force on the buffer plate due to the action of gravity, the elastic component has a buffer effect on the limestone, the impact force when the limestone falls to the feeding end of the barrel is reduced, and the damage of the limestone to the feeding end is further reduced;

2. when the elastic component is required to be fixed at the bottom of the feeding box, the free end of the clamping sheet can be rotated, so that the screw on the mounting plate penetrates through the groove at the free end of the clamping plate, and the clamping plate is fixed by rotating the nut, so that the mounting plate is fixed on the bottom of the feeding box.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the inner structure of the feeding box and the material guiding hopper after being cut open;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a barrel; 101. a feeding end; 102. a discharge end; 2. a feeding box; 201. a communication port; 3. a base; 4. a feed pipe; 5. a buffer plate; 6. mounting a plate; 7. a spring; 8. a viewing port; 9. a cover plate; 10. a clamping sheet; 11. a screw; 12. a nut; 13. a groove; 14. a handle; 15. a guide bar; 16. a material guiding hopper; 17. a diversion trench; 18. an elastic rubber ring.

Detailed description of the preferred embodiments

The present invention will be described in further detail with reference to the accompanying drawings.

A lime grinding device is shown in figure 1 and comprises a cylinder body 1 and a feeding assembly, wherein one end of the cylinder body 1 is a feeding end 101, and the other end of the cylinder body 1 is a discharging end 102. Specifically, the feeding assembly comprises a base 3 and a feeding box 2 fixedly installed on the base 3, and a funnel-shaped material guiding hopper 16 is welded at the top of the feeding box 2.

As shown in fig. 1 and 2, the side wall of the feeding box 2 is provided with a communication port 201 communicated with the inside of the feeding box 2, a feeding pipe 4 is connected between the communication port 201 and the feeding end 101 of the barrel 1, and the feeding pipe 4 is inclined downwards from the communication port 201 to the feeding end 101 of the barrel 1.

Meanwhile, an elastic rubber ring 18 is arranged at the joint of the feeding pipe 4 and the communication port 201, so that the sealing property between the feeding pipe 4 and the communication port 201 is improved. After the material is put into the feeding box 2 from the material guiding hopper 16 of the feeding box 2, the material can move to the feeding end 101 of the barrel 1 along the feeding pipe 4, so that the material enters the barrel 1 for milling processing. The material guide hopper 16 is convenient for feed the feed box 2, and reduces the loss of materials caused by the falling of the materials out of the feed box 2 in the feeding process.

As shown in fig. 1 and 2, a buffer plate 5 is movably mounted in the feeding box 2, and the buffer plate 5 abuts against the inner wall of the feeding box 2 and slides up and down. The upper surface of the buffer plate 5 is provided with an inclined surface which is downwards inclined from one end of the buffer plate 5 far away from the feeding pipe 4 to one end of the buffer plate 5 close to the feeding pipe 4; simultaneously, the inclined plane is provided with the guiding gutter 17 that is used for the water conservancy diversion material, and the tank bottom of guiding gutter 17 is circular-arc setting to reduce the material and pile up in feed box 2, make the material in feed box 2 flow in barrel 1 through inlet pipe 4 more easily, and then make this grinder more smooth and easy at reinforced in-process.

As shown in fig. 1 and 2, an elastic component is connected between the buffer plate 5 and the bottom of the feeding box 2. When the feed box 2 was added to cubic material, the material produced certain impact force to buffer board 5 because the effect of gravity, and elastic component plays the effect of buffering to cubic material, has reduced the impact force when the material fell the feed end 101 of barrel 1, and then has reduced the harm to feed end 101 at reinforced in-process.

Specifically, as shown in fig. 2 and 3, the elastic assembly includes a mounting plate 6 and four springs 7 mounted on the mounting plate 6. One end of the spring 7 is fixedly connected with the bottom surface of the buffer plate 5, the other end of the spring is connected with the mounting plate 6, and the mounting plate 6 is detachably mounted at the bottom of the feeding box 2. The upper surface of mounting panel 6 is along vertical direction fixed mounting with guide bar 15, and the one end that buffer board 5 was kept away from to spring 7 cup joints on guide bar 15. The guide rod 15 protects the spring 7 and prevents the spring 7 from being deformed due to over compression so as to cause the spring 7 to be scrapped.

As shown in fig. 1 and 2, three sets of fixing assemblies for fixing the mounting plate 6 are installed at the bottom of the feeding box 2. In addition, the lateral wall of feed box 2 has seted up viewing aperture 8, and the lateral wall of feed box 2 is installed and is used for covering the apron 9 that closes viewing aperture 8. The elastic component is easy to damage after being used for a long time, the mounting plate 6 is detachably mounted at the bottom of the feeding box 2, so that the elastic component can be replaced and maintained in the later period, the elastic component is conveniently mounted in the feeding box 2 by an operator through the observation port 8, and the feeding box 2 can be cleaned and maintained conveniently through the observation port 8.

Specifically, as shown in fig. 2 and 3, the fixing member includes an engaging piece 10, a screw 11, and a nut 12 screwed to the screw 11, and a handle 14 is fixedly attached to the nut 12. The screw 11 is installed on the upper surface of the installation plate 6 along the vertical direction, one end of the clamping piece 10 is hinged with the bottom of the feeding box 2, a U-shaped groove 13 is formed in the free end of the clamping piece 10, and the notch of the groove 13 is formed in the end portion, far away from the hinged point, of the clamping piece 10. When the mounting plate 6 needs to be fixed, the free end of the clamping sheet 10 can be rotated, so that the screw 11 on the mounting plate 6 passes through the groove 13 at the free end of the clamping plate, and the clamping plate is fixed by rotating the nut 12, thereby fixing the mounting plate 6 on the bottom of the feeding box 2. The handle 14 is provided to facilitate the operator's turning of the nut 12 to secure the mounting plate 6.

The overall working process is as follows: when the crushed limestone is added into the feeding box 2, the buffer plate 5 is stressed to compress the spring 7, the elastic component is stressed to be compressed for a long time and is easy to damage, and when the elastic component needs to be disassembled for replacement, the cover plate 9 can be opened and the nut 12 can be rotated to separate the clamping plate from the screw rod 11, so that the disassembly of the elastic component is realized; when the elastic component needs to be fixed, the free end of the clamping sheet 10 can be rotated, so that the screw 11 on the mounting plate 6 passes through the groove 13 at the free end of the clamping plate, and the clamping plate is fixed by rotating the nut 12, thereby fixing the mounting plate 6 on the bottom of the feeding box 2.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a lime grinder, includes barrel (1) and feeding subassembly, the feeding subassembly includes base (3) and sets up feeding case (2) on base (3), the one end of barrel (1) is feed end (101), and the other end is discharge end (102), the lateral wall of feeding case (2) is provided with intercommunication mouth (201) that feeds through in feeding case (2) inside, intercommunication mouth (201) with be connected with inlet pipe (4), its characterized in that between feed end (101): be provided with buffer board (5) in feeding case (2), buffer board (5) with the inner wall looks butt of feeding case (2) and slide from top to bottom, the upper surface of buffer board (5) is provided with the inclined plane, the inclined plane is kept away from buffer board (5) the one end of inlet pipe (4) is close to buffer board (5) the one end of inlet pipe (4) is the downward sloping setting, buffer board (5) with be provided with elastic component between the bottom of the case of feeding case (2).

2. A lime mill according to claim 1, characterized in that: elastic component include mounting panel (6) and a plurality of root set up in spring (7) of mounting panel (6), the one end of spring (7) connect in the bottom surface of buffer board (5), the other end connect in mounting panel (6), mounting panel (6) demountable installation in the bottom of the case of feeding case (2), the bottom of the case of feeding case (2) is provided with a plurality of groups and is used for fixing the fixed subassembly of mounting panel (6), viewing aperture (8) have been seted up to the lateral wall of feeding case (2), the lateral wall of feeding case (2) is provided with and is used for the lid to close apron (9) of viewing aperture (8).

3. A lime mill according to claim 2, characterized in that: the fixing assembly comprises a clamping piece (10), a screw rod (11) and a nut (12) in threaded fit with the screw rod (11), the screw rod (11) is fixedly arranged on the upper surface of the mounting plate (6) along the vertical direction, one end of the clamping piece (10) is hinged to the bottom of the feeding box (2), a U-shaped groove (13) is formed in the clamping piece (10), and a notch of the groove (13) is formed in the end portion, far away from the hinged point, of the clamping piece (10).

4. A lime mill according to claim 3, characterized in that: the nut (12) is provided with a handle (14).

5. A lime mill according to claim 4, characterized in that: the upper surface of mounting panel (6) is provided with guide bar (15) along vertical direction, spring (7) cup joint in guide bar (15).

6. A lime mill according to claim 1, characterized in that: the top of feeding case (2) is provided with draws hopper (16), draw hopper (16) and be hopper-shaped.

7. A lime mill according to claim 1, characterized in that: the inclined plane is provided with guiding gutter (17) that is used for the water conservancy diversion material, the tank bottom of guiding gutter (17) is circular-arc setting.

8. A lime mill according to claim 1, characterized in that: the connection part of the feeding pipe (4) and the communication port (201) is provided with an elastic rubber ring (18).