CN215541377U

CN215541377U - Novel mechanical limiting device with hydraulic damping for vertical mill

Info

Publication number: CN215541377U
Application number: CN202121422840.9U
Authority: CN
Inventors: 王宏涛; 王振中; 肖文玲; 李冉; 朱华
Original assignee: Tianjin Hongsheng Building Material Technology Co ltd
Current assignee: Tianjin Hongsheng Building Material Technology Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-18
Anticipated expiration: 2031-06-23

Abstract

The utility model belongs to the technical field of vertical mills, and particularly relates to a novel mechanical limiting device of a vertical mill with hydraulic damping, which comprises a vertical mill body, a grinding disc and a grinding roller, wherein a base is fixedly installed at the bottom of the vertical mill body, fixed blocks are fixedly installed on two sides of the upper surface of the base, a hydraulic cylinder is fixedly installed on the upper surface of each fixed block, one end of a piston rod of the hydraulic cylinder is hinged to a hinged plate through a hinged shaft, a hinged seat is hinged to the surface of one side of the hinged plate through a second hinged shaft, and a rotation adjusting device is arranged on the outer surface of one side of the hinged seat. This take novel mechanical stop device of upright mill of hydraulic damping through rotatory adjusting device, including handle, gear, recess, ring gear and fixture block, manual rotatory handle drives the gear and rotates on the ring gear of recess, drives the rotation of second articulated shaft simultaneously, and the rotation of second articulated shaft drives the supporting shoe and rotates, and when gear revolve to a certain position, peg graft the fixture block with the ring gear of gear both sides, reach the effect of chucking gear.

Description

Novel mechanical limiting device with hydraulic damping for vertical mill

Technical Field

The utility model relates to the technical field of vertical mills, in particular to a novel mechanical limiting device of a vertical mill with hydraulic damping.

Background

The vertical mill is a grinding device integrating fine crushing, drying, grinding, powder selecting and conveying, and is widely used for grinding and superfine grinding of various solid materials in the industries of cement, building materials, electric power, metallurgy, chemical industry, non-metal ores and the like.

However, when the vertical mill grinds materials, the distance between the grinding roller and the grinding disc needs to be adjusted firstly, the gap between the grinding roller and the grinding disc is too small for preventing the grinding roller from being excessively loaded, and even the grinding roller and the grinding disc are mutually worn due to direct contact, therefore, a limiting device needs to be arranged, most of the existing vertical mill adopts hydraulic cylinders for position adjustment, therefore, when the grinding roller is worn due to failure of the hydraulic cylinders and long-term friction between the grinding roller and the grinding disc, the gap between the grinding roller and the grinding disc cannot be effectively readjusted, the phenomenon of uneven grinding of the materials on the grinding disc is caused, and meanwhile, the grinding roller easily shakes in the process of grinding the materials.

SUMMERY OF THE UTILITY MODEL

Based on the technical problems that the distance between a grinding roller and a grinding disc cannot be effectively readjusted on the basis of the original limiting device of the conventional vertical grinding machine and the grinding roller is easy to vibrate when grinding materials, the utility model provides a novel mechanical limiting device with hydraulic damping for the vertical grinding machine.

The utility model provides a novel mechanical limiting device of a vertical mill with hydraulic damping, which comprises a vertical mill body, a grinding disc and a grinding roller, wherein a base is fixedly arranged at the bottom of the vertical mill body, fixed blocks are fixedly arranged on two sides of the upper surface of the base, a hydraulic cylinder is fixedly arranged on the upper surface of each fixed block, one end of a piston rod of the hydraulic cylinder is hinged with a hinged plate through a hinged shaft, one side surface of each hinged plate is hinged with a hinged seat through a second hinged shaft, a rotation adjusting device is arranged on the outer surface of one side of each hinged seat and comprises a handle, one side surface of the handle is fixedly connected with one end, extending to the outer surface of the hinged seat, of the second hinged shaft, and the handle is held and rotated to drive the second hinged shaft on the hinged seat to rotate;

the middle-end outer surface of the second articulated shaft is fixedly sleeved with a supporting block, the upper surface of the supporting block is fixedly installed with one end of the grinding roller, a damping mechanism is arranged inside the supporting block, and the damping mechanism buffers the vibration generated by rolling on the grinding disc by the grinding roller.

Preferably, the rotation adjusting device further comprises a gear, and the middle end of the gear is fixedly connected with one side surface of the handle through a fixed shaft;

through above-mentioned technical scheme, drive the handle through holding rotatory handle and rotate, the rotation of handle drives the second articulated shaft and carries out synchronous rotation, drives the gear simultaneously and carries out synchronous rotation.

Preferably, an arc-shaped groove is formed in the outer surface of one side of the hinge seat, a toothed ring is fixedly mounted on the inner bottom wall of the groove, and the outer surface of the toothed ring is meshed with the outer surface of one side of the gear;

through above-mentioned technical scheme, the rotation of handle drives the gear and rotates on the ring gear in the recess, drives the second articulated shaft simultaneously and rotates, and the rotation of second articulated shaft drives the supporting shoe and rotates to reach the effect of adjusting grinding roller and mill contact distance.

Preferably, the outer surface of the gear ring is movably inserted with clamping blocks, and the bottoms of the two clamping blocks are in a shape meshed with the outer surface of the gear ring;

through the technical scheme, when the handle drives the gear to rotate to a certain position, the clamping blocks are close to two sides of the gear and are connected with the gear ring in an inserting mode, and therefore the effect of clamping the gear is achieved.

Preferably, the damping mechanism comprises a chute, the chute is arranged on the upper surface of the supporting block, a damping spring and a fixed column are fixedly connected to the inner bottom wall of the chute, the inner side surface of the damping spring is slidably connected with the outer surface of the fixed column, a damping column is fixedly connected to the free end of the damping spring, and one end of the fixed column extends into the damping column and is slidably connected with the inner wall of the damping column;

through above-mentioned technical scheme, the grinding roller drives the shock attenuation post and shakes when grinding the material on the mill to the inner wall that drives the shock attenuation post slides at the surface of fixed column, gliding in-process extrusion damping spring, damping spring takes place the elasticity that deformation produced and alleviates partly vibrations.

Preferably, one end of the shock absorption column extends to the outer surface of one side of the supporting block and is fixedly installed with one end of the grinding roller, and the other end of the shock absorption column is fixedly installed with a buffer rubber block;

through above-mentioned technical scheme, the grinding roller is rotating when grinding the material that drops on the mill, and the upper and lower vibrations of production drive the shock attenuation post of being connected with the grinding roller and produce vibrations, and damper is given in the vibrations transmission that the shock attenuation post produced, and damper slows down the vibrations that the grinding roller produced, reaches the effect of protection grinding roller, and the impact force that the cushion rubber block cushioned the shock attenuation post and bumps the production at the inner diapire of vibrations in-process and spout.

The beneficial effects of the utility model are as follows:

1. through the rotation adjusting device, including the handle, the gear, the recess, ring gear and fixture block, through manual rotation handle, drive the gear and rotate on the ring gear in the recess, thereby drive the second articulated shaft and rotate, the rotation of second articulated shaft drives the supporting shoe and rotates, reach the effect of adjusting grinding roller and mill contact distance, when rotating handle drive gear and rotating a certain position, peg graft the bottom of fixture block and the ring gear of gear both sides, reach the chucking gear, prevent gear revolve's effect.

2. Through setting up damper, including the spout, damping spring, the fixed column, the piece is glued to shock attenuation post and buffering, the vibrations that the grinding roller produced when the material on the mill grinds drive the shock attenuation post and shake, thereby it slides at the surface of fixed column to drive the shock attenuation post, the damping spring of the slip extrusion fixed column surface of shock attenuation post, damping spring receives the elasticity that produces after the extrusion and has slowed down partly vibrations, the piece is glued to the buffering on the shock attenuation post simultaneously and avoids the inner diapire bump of shock attenuation post and spout, reach the effect of shock attenuation buffering protection.

Drawings

FIG. 1 is a schematic view of a novel mechanical limiting device of a vertical mill with hydraulic damping, which is provided by the utility model;

FIG. 2 is a perspective view of a hinge seat structure of the novel vertical mill mechanical limiting device with hydraulic damping according to the present invention;

FIG. 3 is a perspective view of a groove structure of the novel vertical mill mechanical limiting device with hydraulic damping according to the present invention;

fig. 4 is a perspective view of a shock absorption column structure of the novel vertical mill mechanical limiting device with hydraulic damping provided by the utility model.

In the figure: 1. a vertical mill body; 2. a grinding disc; 3. grinding the roller; 4. a base; 5. a fixed block; 6. a hydraulic cylinder; 7. a hinge plate; 8. a hinged seat; 9. a handle; 91. a gear; 92. a groove; 93. a toothed ring; 94. a clamping block; 10. a support block; 101. a chute; 102. a damping spring; 103. fixing a column; 104. a shock-absorbing post; 105. and (5) buffering the rubber block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a novel mechanical limiting device of a vertical mill with hydraulic damping comprises a vertical mill body 1, a grinding disc 2 and a grinding roller 3, wherein a base 4 is fixedly installed at the bottom of the vertical mill body 1, fixed blocks 5 are fixedly installed on two sides of the upper surface of the base 4, a hydraulic cylinder 6 is fixedly installed on the upper surface of each fixed block 5, one end of a piston rod of the hydraulic cylinder 6 is hinged to a hinged plate 7 through a hinged shaft, one side surface of each hinged plate 7 is hinged to a hinged seat 8 through a second hinged shaft, a rotation adjusting device is arranged on the outer surface of one side of each hinged seat 8 and comprises a handle 9, one side surface of each handle 9 is fixedly connected with one end, extending to the outer surface of each hinged seat 8, of the second hinged shaft on each hinged seat 8 is driven to rotate by holding the rotating handle 9;

the rotation adjusting device further comprises a gear 91, the middle end of the gear 91 is fixedly connected with one side surface of the handle 9 through a fixed shaft, the handle 9 is driven to rotate by holding the rotating handle 9, the rotation of the handle 9 drives the second hinge shaft to synchronously rotate, and meanwhile, the gear 91 is driven to synchronously rotate;

an arc-shaped groove 92 is formed in the outer surface of one side of the hinge seat 8, a gear ring 93 is fixedly mounted on the inner bottom wall of the groove 92, the outer surface of the gear ring 93 is meshed with the outer surface of one side of the gear 91, the gear 91 is driven to rotate on the gear ring 93 in the groove 92 through rotation of the handle 9, meanwhile, a second hinge shaft is driven to rotate, and the support block 10 is driven to rotate through rotation of the second hinge shaft, so that the effect of adjusting the contact distance between the grinding roller 3 and the grinding disc 2 is achieved;

the outer surface of the gear ring 93 is movably inserted with the fixture blocks 94, the bottoms of the two fixture blocks 94 are in a shape meshed with the outer surface of the gear ring 93, when the handle 9 drives the gear 91 to rotate to a certain position, the fixture blocks 94 are close to two sides of the gear 91 and are inserted with the gear ring 93, and therefore the effect of clamping the gear 91 is achieved;

the outer surface of the middle end of the second articulated shaft is fixedly sleeved with a supporting block 10, the upper surface of the supporting block 10 is fixedly installed with one end of the grinding roller 3, a damping mechanism is arranged inside the supporting block 10, and the damping mechanism buffers the vibration generated by the grinding roller 3 on the grinding disc 2;

the damping mechanism comprises a sliding groove 101, the sliding groove 101 is formed in the upper surface of the supporting block 10, a damping spring 102 and a fixing column 103 are fixedly connected to the inner bottom wall of the sliding groove 101, the inner side surface of the damping spring 102 is in sliding connection with the outer surface of the fixing column 103, a damping column 104 is fixedly connected to the free end of the damping spring 102, one end of the fixing column 103 extends into the damping column 104 and is in sliding connection with the inner wall of the damping column 104, the grinding roller 3 drives the damping column 104 to vibrate when grinding materials on the grinding disc 2, so that the inner wall of the damping column 104 is driven to slide on the outer surface of the fixing column 103, the damping spring 102 is extruded in the sliding process, and part of vibration is relieved by elastic force generated by deformation of the damping spring 102;

the one end of shock attenuation post 104 extends to one side surface of supporting shoe 10 and with the one end fixed mounting of grinding roller 3, the other end fixed mounting of shock attenuation post 104 has buffering rubber block 105, grinding roller 3 is rotating when grinding the material that drops on mill 2, the upper and lower vibrations that produce drive the shock attenuation post 104 of being connected with grinding roller 3 and produce vibrations, damper is transmitted in the vibrations that shock attenuation post 104 produced, damper slows down the vibrations that grinding roller 3 produced, reach the effect of protection grinding roller 3, the impact force that shock attenuation post 104 bumps the production at the vibrations in-process and the inner diapire of spout 101 is glued in the buffering rubber block 105.

The working principle is as follows: when the vertical mill body 1 is used, the extending of a piston rod of the hydraulic cylinder 6 drives two ends of the hinged plate 7 to rotate on the hinged shaft and the second hinged shaft respectively, the rotation of the hinged plate 7 drives the second hinged plate to rotate, the rotation of the second hinged plate drives the supporting block 10 to rotate, and the rotation of the supporting block 10 adjusts the distance between the grinding roller 3 and the grinding disc 2;

when the hydraulic cylinder 6 fails in the using process or the grinding roller 3 is abraded due to long-term friction with the grinding disc 2, the distance between the grinding roller 3 and the grinding disc 2 needs to be adjusted again, the gear 91 is driven to rotate on the gear ring 93 in the groove 92 by rotating the handle 9, and meanwhile, the second articulated shaft is driven to rotate, and the support block 10 is driven to rotate by the rotation of the second articulated shaft;

when the handle 9 rotates to a certain position, the fixture block 94 is inserted into the gear rings 93 on two sides of the gear 91, so that the gear 91 is prevented from rotating;

the grinding roller 3 drives the damping column 104 to slide in the sliding groove 101 due to vibration generated when grinding materials on the surface of the grinding disc 2, so that the damping column 104 is driven to slide on the outer surface of the fixed column 103, the damping spring 102 on the outer surface of the fixed column 103 is extruded, the elastic force generated after the damping spring 102 deforms slows down partial vibration, and the buffer rubber block 105 prevents the damping column 104 from colliding with the inner bottom wall of the sliding groove 101 in the sliding process.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a take hydraulic damping's novel mechanical stop device of vertical mill, includes vertical mill body (1), mill (2) and grinding roller (3), its characterized in that: the vertical mill body is characterized in that a base (4) is fixedly mounted at the bottom of the vertical mill body (1), fixed blocks (5) are fixedly mounted on two sides of the upper surface of the base (4), a hydraulic cylinder (6) is fixedly mounted on the upper surface of each fixed block (5), one end of a piston rod of each hydraulic cylinder (6) is hinged to a hinged plate (7) through a hinged shaft, one side surface of each hinged plate (7) is hinged to a hinged seat (8) through a second hinged shaft, a rotary adjusting device is arranged on the outer surface of one side of each hinged seat (8) and comprises a handle (9), one side surface of each handle (9) is fixedly connected with one end, extending to the outer surface of each hinged seat (8), of each second hinged shaft, of each hinged seat (8) is driven to rotate by holding and rotating the handle (9);

the fixed supporting shoe (10) that has cup jointed of middle-end surface of second articulated shaft, the upper surface of supporting shoe (10) with the one end fixed mounting of grinding roller (3), the inside of supporting shoe (10) is provided with damper, damper cushions grinding roller (3) are in roll the vibrations of production on mill (2).

2. The novel mechanical limiting device with the hydraulic damping for the vertical mill of claim 1 is characterized in that: the rotary adjusting device further comprises a gear (91), and the middle end of the gear (91) is fixedly connected with one side surface of the handle (9) through a fixed shaft.

3. The novel mechanical limiting device with the hydraulic damping function for the vertical mill of claim 2 is characterized in that: arc-shaped groove (92) are formed in the outer surface of one side of the hinged base (8), a gear ring (93) is fixedly mounted on the inner bottom wall of the groove (92), and the outer surface of the gear ring (93) is meshed with the outer surface of one side of the gear (91).

4. The novel mechanical limiting device with the hydraulic damping function for the vertical mill of claim 3, is characterized in that: the outer surface of the gear ring (93) is movably inserted with clamping blocks (94), and the bottoms of the two clamping blocks (94) are in a shape meshed with the outer surface of the gear ring (93).

5. The novel mechanical limiting device with the hydraulic damping for the vertical mill of claim 1 is characterized in that: the damping mechanism comprises a sliding groove (101), the sliding groove (101) is formed in the upper surface of the supporting block (10), a damping spring (102) and a fixing column (103) are fixedly connected to the inner bottom wall of the sliding groove (101), the inner side surface of the damping spring (102) is in sliding connection with the outer surface of the fixing column (103), a damping column (104) is fixedly connected to the free end of the damping spring (102), and one end of the fixing column (103) extends to the inside of the damping column (104) and is in sliding connection with the inner wall of the damping column (104).

6. The novel mechanical limiting device with the hydraulic damping function for the vertical mill of claim 5 is characterized in that: one end of the shock absorption column (104) extends to the outer surface of one side of the supporting block (10) and is fixedly installed with one end of the grinding roller (3), and the other end of the shock absorption column (104) is fixedly installed with a buffer rubber block (105).