CN220162885U - Cantilever roller - Google Patents

Abstract

The utility model provides a cantilever roller, and belongs to the technical field of multi-wire cutting machines. The roller solves the problem that the part of the roller for setting the cutting line is closed and cannot be suitable for complex bending winding of the multi-station cutting line in the prior art. The cantilever roller comprises a main shaft assembly, wherein one end of the main shaft assembly is sleeved with a hollow roller, the inner wall of the roller is provided with a mounting part protruding along the radial direction, and the end part of the main shaft assembly extending into the roller is fixedly connected with the mounting part. The utility model has the advantage of being applicable to complex bending winding of multi-station cutting lines.

Description

Cantilever roller

Technical Field

The utility model belongs to the technical field of multi-wire cutting machines, and relates to a cantilever roller.

Background

The cutting principle of the multi-wire cutting machine is that the cutting wire repeatedly rotates forward and backward on the roller at high speed, then the abrasive is brought into the processing area, and the cutting of the abrasive is realized by the cutting wire.

The roller is an important part of a multi-wire sawing machine, and as disclosed in Chinese patent literature, a roller type roller structure (application number: 201520090167.1) of the multi-wire sawing machine comprises a roller, a front roller frame and a rear roller frame, wherein the front roller frame and the rear roller frame are respectively arranged at the front end and the rear end of the roller and are used for positioning the roller, the roller comprises a roller shaft, a roller core shaft and a roller drum, the roller shaft is of a hollow tubular structure, the roller core shaft is sleeved outside the roller shaft through a bearing, and the roller drum is sleeved outside the roller core shaft and is fixedly connected with the roller core shaft. When the roller structure of the multi-wire cutting machine is used, as the two ends of the roller are respectively shielded by the front roller frame and the rear roller frame, the part of the roller for setting the cutting wire is in a closed shape, so that the roller can only be suitable for simple winding of a single-station cutting wire after being installed and fixed (the cutting wire after winding is in a ring shape), and cannot be suitable for complex bending winding of a multi-station cutting wire.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a cantilever roller. The utility model aims to solve the technical problem of providing a cantilever roller which is suitable for complex bending winding of a multi-station cutting line.

The aim of the utility model can be achieved by the following technical scheme:

the cantilever roller comprises a main shaft assembly, and is characterized in that one end of the main shaft assembly is sleeved with a hollow roller, the inner wall of the roller is provided with a mounting part protruding along the radial direction, and the end part of the main shaft assembly extending into the roller is fixedly connected with the mounting part.

When the cantilever roller is used, the cantilever roller directly installs the main shaft component at different positions of the wallboard frame according to wiring requirements, the main shaft component is driven to rotate by a power source arranged on the wallboard frame, one end of the main shaft component extends into the roller and is fixedly connected with the inner wall of the roller (the roller is used for setting a cutting line), the main shaft component replaces the front roller frame and the rear roller frame to play a role in supporting and positioning the roller, meanwhile, the hollow roller can reduce the weight of the roller, the roller is prevented from inclining at the end part after being fixed, the supporting and positioning effects of the main shaft component on the roller are better, and therefore, only one end of the roller is fixed on the wallboard frame, and the other end of the roller is opened, so that an operator can conveniently wind the cutting line on the roller, and the cantilever roller is used for complex bending winding with multiple stations.

In the cantilever roller, the installation part is cake-shaped, the end part of the main shaft assembly is provided with the inserted column, and the middle part of the installation part is provided with the inserting hole for being in inserting fit with the inserted column. The matched structure of the inserted column and the inserted hole can play a role in further positioning, so that the roller is more firmly sleeved on the main shaft assembly, and the roller is prevented from inclining at the end part in the use process.

In the cantilever roller, the end part of the main shaft assembly is detachably connected with the mounting part through a plurality of bolts. So that the main shaft component and the roller are more convenient to assemble and disassemble.

In the cantilever roller, the roller is made of aluminum, and the mounting part is arranged at the middle front end of the roller far away from the main shaft assembly. The roller is made of aluminum, so that the weight of the roller can be reduced under the condition of ensuring the rigidity of the roller, and the moment of inertia of the roller is lower; the installation part is positioned at the middle front part of the roller, so that after the spindle assembly is fixed with the roller, the supporting effect of the spindle assembly on the roller is better, and the roller is further ensured to be firmly sleeved on the spindle assembly.

In the cantilever roller, a sand prevention cover for closing the front end of the roller is arranged at the front end of the roller. The sand prevention cover can prevent cutting scraps and cooling liquid from damaging the main shaft assembly after entering the roller from the front end part of the roller.

In the cantilever roller, the side wall of the spindle assembly is provided with a fixing part protruding along the radial direction, the fixing part is provided with a sand control ring, the roller is provided with a labyrinth ring, and the labyrinth ring and the sand control ring are mutually embedded to seal the rear end part of the roller. The labyrinth ring and the sand control ring are mutually embedded to seal the rear end part of the roller, so that the damage to the spindle assembly after cutting scraps and cooling liquid enter the roller from the front end part of the roller can be avoided.

In the cantilever roller, the cross section of the sand control ring is a transverse folding hook, the labyrinth ring comprises a labyrinth ring body, an inner convex ring part and an outer convex ring part are respectively arranged on the inner wall and the outer wall of the labyrinth ring body in a protruding mode, the end part of the labyrinth ring body is provided with an outer flanging part, the rear end part of the roller is provided with a step groove, the end part of the labyrinth ring, which is far away from the outer flanging part, is wedged with the rear end part of the roller, and the other end of the labyrinth ring is mutually embedded with the sand control ring. The sand control ring and the labyrinth ring with the structure are simple in structure and good in sealing effect after being mutually embedded.

In the cantilever roller, a roller sleeve is further sleeved on the roller. The roller sleeve can avoid the damage of the cutting line to the roller, the service life of the roller is prolonged, the roller sleeve can be provided with a wire groove for winding the cutting line, the wire groove of the roller sleeve is worn after the cutting line is cut for a period of time, the roller sleeve is required to be re-grooved after the cutting line is worn, the roller sleeve is gradually thinned after the roller sleeve is grooved for a certain number of times, a new roller sleeve is required to be replaced, and the roller sleeve can be made of polyurethane rubber coating or a high polymer PE pipe.

Compared with the prior art, the cantilever roller has the advantages that: according to the cantilever roller, one end of the main shaft assembly extends into the roller and is fixedly connected with the mounting part on the inner wall of the roller, so that the main shaft assembly replaces the front roller frame and the rear roller frame to support and position the roller, one end of the roller is only fixed on the wallboard frame, the other end of the roller is open, an operator can conveniently wind a cutting line on the roller sleeve of the roller, and the cantilever roller is further used for complex bending winding of multi-station cutting lines.

Drawings

Fig. 1 is a schematic perspective view of the cantilever roller.

Fig. 2 is an exploded view of the cantilever roller.

Fig. 3 is a cross-sectional view of the cantilever roller.

Fig. 4 is a partial enlarged view at a in fig. 3.

In the figure, 1, a main shaft assembly; 1a1, inserting a column; 1a2, a fixing part; 2. roller; 2a1, a mounting part; 2a2, step groove; 3. a plug hole; 4. a bolt; 5. a roller sleeve; 6. a sand control cover; 7. a sand control ring; 8. a labyrinth ring; 8a1, a labyrinth ring body; 8a2, an inner convex ring part; 8a3, a convex ring part; 8a4, a flanging portion.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

The cantilever roller referring to fig. 1-4 comprises a main shaft assembly 1, wherein a hollow roller 2 is sleeved at one end of the main shaft assembly 1, an installation part 2a1 protruding along the radial direction is arranged on the inner wall of the roller 2, and the end part of the main shaft assembly 1 extending into the roller 2 is fixedly connected with the installation part 2a 1. Specifically, the mounting portion 2a1 is cake-shaped, the end portion of the spindle assembly 1 is provided with a plug 1a1, and a plug hole 3 for being in plug fit with the plug 1a1 is formed in the middle portion of the mounting portion 2a 1. Further, the end of the spindle assembly 1 is detachably connected with the mounting portion 2a1 by a plurality of bolts 4. In this embodiment, the roller 2 is preferably made of aluminum, and the mounting portion 2a1 is provided at a middle front end of the roller 2 away from the spindle assembly 1. Preferably, the roller 2 is also sleeved with a roller sleeve 5.

Referring to fig. 2, 3 and 4, further, a sand control cover 6 for closing the front end of the roller 2 is provided at the front end of the roller 2. The side wall of the main shaft assembly 1 is provided with a fixing part 1a2 protruding along the radial direction, the fixing part 1a2 is provided with a sand prevention ring 7, the roller 2 is provided with a labyrinth ring 8, and the labyrinth ring 8 and the sand prevention ring 7 are mutually embedded to seal the rear end part of the roller 2. Specifically, the cross section of the sand control ring 7 is a 'cross-folded hook', the labyrinth ring 8 comprises a labyrinth ring body 8a1, an inner convex ring part 8a2 and an outer convex ring part 8a3 are respectively arranged on the inner wall and the outer wall of the labyrinth ring body 8a1 in a protruding mode, the end part of the labyrinth ring body 8a1 is provided with an outer flanging part 8a4, the rear end part of the roller 2 is provided with a step groove 2a2, the end part of the labyrinth ring 8 far away from the outer flanging part 8a4 is wedged with the rear end part of the roller 2, and the other end of the labyrinth ring 8 is mutually embedded with the sand control ring 7.

According to the cantilever roller, one end of the main shaft assembly 1 extends into the roller 2 and is fixedly connected with the installation part 2a1 on the inner wall of the roller 2, so that the main shaft assembly 1 replaces a front roller frame and a rear roller frame to support and position the roller 2, one end of the roller is only fixed on a wallboard frame, the other end of the roller is open, an operator can conveniently wind a cutting line on the roller sleeve 5 of the roller 2, and the cantilever roller is further used for complex bending winding of multi-station cutting lines.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (8)

1. The cantilever roller comprises a main shaft assembly (1), and is characterized in that one end of the main shaft assembly (1) is sleeved with a hollow roller (2), the inner wall of the roller (2) is provided with a mounting part (2 a 1) protruding along the radial direction, and the end part of the main shaft assembly (1) extending into the roller (2) is fixedly connected with the mounting part (2 a 1).

2. Cantilever roller according to claim 1, characterized in that the mounting part (2 a 1) is cake-shaped, the end part of the spindle assembly (1) is provided with a plug-in column (1 a 1), and the middle part of the mounting part (2 a 1) is provided with a plug-in hole (3) for plug-in matching with the plug-in column (1 a 1).

3. Cantilever roller according to claim 2, characterized in that the end of the spindle assembly (1) is detachably connected to the mounting part (2 a 1) by means of a number of bolts (4).

4. Cantilever roller according to claim 1, characterized in that the roller (2) is made of aluminium and the mounting (2 a 1) is arranged at the middle front end of the roller (2) remote from the spindle assembly (1).

5. Cantilever roller according to claim 1 or 2 or 3 or 4, characterized in that the front end of the roller (2) is provided with a sand control cover (6) for closing the front end of the roller (2).

6. Cantilever roller according to claim 5, characterized in that the side wall of the spindle assembly (1) is provided with a radially protruding fixing part (1 a 2), the fixing part (1 a 2) is provided with a sand control ring (7), the roller (2) is provided with a labyrinth ring (8), and the labyrinth ring (8) and the sand control ring (7) are mutually embedded to close the rear end part of the roller (2).

7. The cantilever roller according to claim 6, wherein the cross section of the sand control ring (7) is a transverse folding hook, the labyrinth ring (8) comprises a labyrinth ring body (8 a 1), an inner convex ring part (8 a 2) and an outer convex ring part (8 a 3) are respectively arranged on the inner wall and the outer wall of the labyrinth ring body (8 a 1) in a protruding mode, the end part of the labyrinth ring body (8 a 1) is provided with an outward flanging part (8 a 4), the rear end part of the roller (2) is provided with a step groove (2 a 2), the end part of the labyrinth ring (8) far away from the outward flanging part (8 a 4) is wedged with the rear end part of the roller (2), and the other end of the labyrinth ring (8) is mutually embedded with the sand control ring (7).

8. Cantilever roller according to claim 5, characterized in that the roller (2) is further provided with a roller sleeve (5).