CN217093731U - Vertical mill pulling force type grinding roller limiting device - Google Patents

Abstract

The utility model discloses a found mill pulling force formula grinding roller stop device relates to stop device technical field, including the pneumatic cylinder, still including starting the structure, the punch holder is installed on the top of pneumatic cylinder, and the both sides of punch holder all install the fixed orifice plate, the perforation has all been seted up to the inside on fixed orifice plate top, and the inside of perforating is all overlapped and is equipped with the go-between, the second metal is all installed to the bottom of go-between and is acted as go-between, and the bottom that the second metal acted as go-between all installs the extension spring, first metal is acted as go-between all to the bottom of extension spring, and starts the structure and all is located the both sides of pneumatic cylinder, start the structure includes the fixed slot, the fixed slot is all installed in the both sides of pneumatic cylinder. The utility model discloses a be provided with the extension spring, this device limit switch quality is lighter, both ends only need the welded fastening stay wire point can, the operation is stable more reliable, makes and immediately grinds the operating stability and strengthens greatly, has both reduced the fault rate, has reduced the spare parts cost consumption that the components and parts damage brought again.

Description

Vertical mill pulling force type grinding roller limiting device

Technical Field

The utility model relates to a stop device technical field specifically is a found mill pulling force formula grinding roller stop device.

Background

The high limit of the grinding roller of the vertical mill is usually arranged on a hydraulic cylinder, a sensing distance sensor or a poking rod type contact switch is usually adopted as a limit signal device, and when the hydraulic cylinder stretches to the high limit of the grinding roller of the vertical mill, a distance sensing or poking rod action output signal indicates that the grinding roller reaches the high limit.

And the pneumatic cylinder itself shakes too greatly in the operation process, and induction type stop device needs the firm response support, and weight is heavier, and the not hard up frequent trouble that leads to that drops that appears easily, uses shifting lever formula stop device operation in-process frequent deflector rod fracture and dislocation striking damage, and the back trouble that damages all frequently appears in above two kinds of limit switch.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a found mill pulling force formula grinding roller stop device to solve the problem of the trouble after damage frequently appears in the equal numerous appearance of induction type and the poker-type stop device that provide among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a vertical mill pulling force type grinding roller limiting device comprises a hydraulic cylinder and a starting structure;

the hydraulic cylinder is characterized in that an upper clamping plate is mounted at the top end of the hydraulic cylinder, fixed pore plates are mounted on two sides of the upper clamping plate, through holes are formed in the top ends of the fixed pore plates, connecting rings are sleeved in the through holes, second metal pull wires are mounted at the bottom ends of the connecting rings, tension springs are mounted at the bottom ends of the second metal pull wires, first metal pull wires are mounted at the bottom ends of the tension springs, and starting structures are located on two sides of the hydraulic cylinder;

the starting structure comprises fixed grooves, the fixed grooves are installed on two sides of a hydraulic cylinder, sliders are arranged inside the fixed grooves, pressing blocks are installed on two sides of the top ends of the sliders, sliding rods are installed at middle positions of the top ends of the sliders, and starting buttons are installed on two sides of the top ends of the fixed grooves.

Preferably, the bottom ends of the through holes all penetrate through the fixed orifice plate, and the bottom ends of the through holes all extend to the bottom end of the fixed orifice plate.

Preferably, the top ends of the sliding rods penetrate through the fixing grooves, and the top ends of the sliding rods extend to the upper portions of the fixing grooves.

Preferably, the slide bars are all installed at the bottom end of the first metal stay wire, and the slide bars all form a sliding structure through the sliding blocks and the fixing grooves.

Preferably, the pressing block corresponds to the starting button, and the fixed orifice plate is two centimeters long and wide.

Compared with the prior art, the beneficial effects of the utility model are that: the pull wire is stressed to enable the limit switch to act, the tension spring is connected in the middle of the pull wire according to the stress of the limit switch, and the tension spring is used as a tension releasing device to prevent the limit switch from being damaged due to too large force application.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

fig. 2 is a schematic view of the structure of the present invention;

fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a hydraulic cylinder; 2. a first metal wire; 3. a second metal stay; 4. perforating; 5. an upper splint; 6. fixing the orifice plate; 7. a connecting ring; 8. a tension spring; 9. fixing grooves; 10. a slider; 11. a pressing block; 12. a slide bar; 13. the button is actuated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-3, a vertical mill pulling force type grinding roller limiting device comprises a hydraulic cylinder 1 and a starting structure;

an upper clamping plate 5 is installed at the top end of the hydraulic cylinder 1, fixed pore plates 6 are installed on two sides of the upper clamping plate 5, through holes 4 are formed in the top ends of the fixed pore plates 6, connecting rings 7 are sleeved in the through holes 4, the bottom ends of the through holes 4 penetrate through the fixed pore plates 6, the bottom ends of the through holes 4 extend to the bottom ends of the fixed pore plates 6, second metal stay wires 3 are installed at the bottom ends of the connecting rings 7, tension springs 8 are installed at the bottom ends of the second metal stay wires 3, first metal stay wires 2 are installed at the bottom ends of the tension springs 8, and starting structures are located on two sides of the hydraulic cylinder 1;

referring to fig. 1-3, the vertical mill pulling force type grinding roller limiting device further comprises a starting structure, wherein the starting structure comprises fixing grooves 9, the fixing grooves 9 are all installed on two sides of the hydraulic cylinder 1, sliding blocks 10 are arranged inside the fixing grooves 9, pressing blocks 11 are installed on two sides of the top end of each sliding block 10, a sliding rod 12 is installed in the middle of the top end of each sliding block 10, and starting buttons 13 are installed on two sides of the top end inside the fixing grooves 9;

the top ends of the sliding rods 12 penetrate through the fixing grooves 9, and the top ends of the sliding rods 12 extend to the upper parts of the fixing grooves 9;

the sliding rods 12 are all arranged at the bottom end of the first metal stay wire 2, and the sliding rods 12 all form a sliding structure with the fixed groove 9 through the sliding block 10;

the pressing block 11 corresponds to the starting button 13, and the length and the width of the fixed orifice plate 6 are both two centimeters;

specifically, as shown in fig. 1, 2 and 3, when the mechanism is used, the sliding rod 12 is pulled through the first metal pull wire 2, the sliding rod 12 drives the sliding block 10, the sliding block 10 slides upwards in the fixed groove 9, the sliding block 10 drives the pressing block 11, the pressing block 11 rises, the block 11 to be pressed rises to the top end in the fixed groove 9, the pressing block 11 presses the start button 13, the grinding roller is located at the right position, the start button 13 transmits a limit signal, and the hydraulic cylinder 1 stops extending.

The working principle is as follows: the grinding roller is installed on the top end of a fixed orifice plate 6 by a worker, a hydraulic cylinder 1 is started to extend the hydraulic cylinder 1, an upper clamping plate 5 is pushed by the hydraulic cylinder 1 to rise, the grinding roller is driven to rise by the upper clamping plate 5, at the moment, the fixed orifice plate 6 is driven by the upper clamping plate 5, a connecting ring 7 is driven by the fixed orifice plate 6, a second metal stay wire 3 is driven by the connecting ring 7, a tension spring 8 is driven by the second metal stay wire 3, the tension spring 8 is stretched, a first metal stay wire 2 is driven by the tension spring 8, a slide rod 12 is driven by the first metal stay wire 2, the slide rod 12 drives a slide block 10, the slide block 10 slides upwards in a fixed groove 9, a pressing block 11 is driven by the slide block 10 to rise, the pressing block 11 is to rise to the top end in the fixed groove 9, a starting button 13 is pressed by the pressing block 11, at the moment, the grinding roller is just at the right position, a limit signal is transmitted by the starting button 13, at the moment, the hydraulic cylinder 1 stops extending, the limit switch of the hydraulic cylinder is driven to move by adopting the stress of the pull wire, and the pull wire is connected with the tension spring 8 in a stress selection mode according to the motion of the limit switch and serves as a tension releasing device to prevent the limit switch from being damaged due to overlarge force application.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a found mill pulling force formula grinding roller stop device which characterized in that: comprises a hydraulic cylinder (1) and a starting structure;

an upper clamping plate (5) is installed at the top end of the hydraulic cylinder (1), fixing pore plates (6) are installed on two sides of the upper clamping plate (5), through holes (4) are formed in the top ends of the fixing pore plates (6), connecting rings (7) are sleeved in the through holes (4), second metal stay wires (3) are installed at the bottom ends of the connecting rings (7), tension springs (8) are installed at the bottom ends of the second metal stay wires (3), first metal stay wires (2) are installed at the bottom ends of the tension springs (8), and starting structures are located on two sides of the hydraulic cylinder (1);

the starting structure comprises a fixing groove (9), the fixing groove (9) is installed on two sides of the hydraulic cylinder (1), a sliding block (10) is arranged inside the fixing groove (9), pressing blocks (11) are installed on two sides of the top end of the sliding block (10), a sliding rod (12) is installed at the middle position of the top end of the sliding block (10), and a starting button (13) is installed on two sides of the top end of the fixing groove (9).

2. The vertical mill pulling force type grinding roller limiting device according to claim 1, characterized in that: the bottom of perforation (4) all passes fixed orifice plate (6), and the bottom of perforation (4) all extends to the bottom of fixed orifice plate (6).

3. The vertical mill pulling force type grinding roller limiting device according to claim 1, characterized in that: the top ends of the sliding rods (12) penetrate through the fixing grooves (9), and the top ends of the sliding rods (12) extend to the upper portions of the fixing grooves (9).

4. The vertical mill pulling force type grinding roller limiting device according to claim 1, characterized in that: the sliding rods (12) are all installed at the bottom end of the first metal stay wire (2), and the sliding rods (12) all form a sliding structure with the fixing groove (9) through the sliding block (10).

5. The vertical mill pulling force type grinding roller limiting device according to claim 1, characterized in that: the pressing block (11) and the starting button (13) correspond to each other, and the length and the width of the fixed orifice plate (6) are both two centimeters.

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