CN220028207U

CN220028207U - Universal shaft of rolling mill

Info

Publication number: CN220028207U
Application number: CN202321070203.9U
Authority: CN
Inventors: 岳旭东; 岳凌
Original assignee: Maanshan Pengju Machinery Co ltd
Current assignee: Maanshan Pengju Machinery Co ltd
Priority date: 2023-05-07
Filing date: 2023-05-07
Publication date: 2023-11-17
Anticipated expiration: 2033-05-07

Abstract

The utility model provides a universal shaft of a rolling mill, which comprises a first connecting pipe and a second connecting pipe, wherein a connecting hole is formed in the first connecting pipe, an inner clamping tooth is formed in the inner wall of the connecting hole, an outer clamping tooth is arranged on the second connecting pipe, threads are formed on the outer surface of the first connecting pipe, a shrinkage opening is formed in the first connecting pipe, a fixing nut is connected onto the first connecting pipe through the threads, and one end of the first connecting pipe, provided with the shrinkage opening, is in an outward expansion state; according to the utility model, the fixing nut is rotated to gradually move towards the middle part of the first connecting pipe, so that the limit of the fixing nut is reduced, at the moment, one end of the first connecting pipe provided with the shrinkage opening is gradually opened, then the second connecting pipe is pulled out from the inside of the connecting hole, the whole body can be divided into two parts, the transportation is convenient, the damage occurs, and only the damaged part is needed to be replaced.

Description

Universal shaft of rolling mill

Technical Field

The utility model belongs to the field of rolling mill accessories, and particularly relates to a universal shaft of a rolling mill.

Background

The rolling mill is equipment for realizing metal rolling process, and is mainly equipment for finishing the whole process of rolled material production, and the common rolling mill mainly comprises a roller, a frame, a roller spacing adjusting device, a roller temperature adjusting device, a transmission device, a lubrication system, a control system, a roller detaching device and the like. Besides the main parts and devices of the common rolling mill, the precision rolling mill is additionally provided with a device for ensuring rolling precision, a universal shaft is needed inside the rolling mill, but the common universal shaft is integrated, the volume and the weight are large, the precision rolling mill is inconvenient to carry in the actual transportation process, a certain transportation difficulty is caused, and if the universal shaft part fails, the whole universal shaft needs to be replaced, so that the whole cost is indirectly improved.

In summary, the present utility model provides a universal shaft for a rolling mill to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a universal shaft of a rolling mill, which solves the problems that in the prior art, the universal shaft is inconvenient to carry in the actual transportation process and the like.

The utility model provides a rolling mill cardan shaft, includes first connecting pipe and second connecting pipe, the connecting hole has been seted up to the inside of first connecting pipe, interior latch is seted up to the inner wall of connecting hole, be provided with outer latch on the second connecting pipe, the screw thread has been seted up to the surface of first connecting pipe, the shrink mouth has been seted up on the first connecting pipe, there is fixation nut through threaded connection on the first connecting pipe, the one end of shrink mouth is offered to first connecting pipe is outside expansion state.

As one technical scheme of the utility model, the size of the second connecting pipe is matched with the size of the connecting hole, and the second connecting pipe is inserted into the connecting hole.

As a technical scheme of the utility model, the inner clamping teeth and the outer clamping teeth are matched, and the inner clamping teeth and the outer clamping teeth are mutually clamped.

As a technical scheme of the utility model, the contraction opening and the screw thread are positioned at the same end of the first connecting pipe.

As a technical scheme of the utility model, connectors are arranged on the first connecting pipe and the second connecting pipe, mounting holes are formed in the connectors, universal connecting pieces are arranged in the mounting holes, and fixing rings are arranged on the universal connecting pieces.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the fixing nut is rotated to gradually move towards the middle part of the first connecting pipe, so that the limit of the fixing nut is reduced, at the moment, one end of the first connecting pipe provided with the shrinkage opening is gradually opened, then the second connecting pipe is pulled out from the inside of the connecting hole, the whole body can be divided into two parts, the transportation is convenient, the damage occurs, and only the damaged part is needed to be replaced.

2. According to the utility model, the second connecting pipe is spliced into the first connecting pipe, then the fixing nut is rotated, the shrinkage opening is gradually shrunk by the fixing nut, and at the moment, the inner clamping teeth in the first connecting pipe are gradually clamped with the outer clamping teeth, so that the first connecting pipe and the second connecting pipe can be connected, the length of the second connecting pipe inserted into the connecting hole can be adjusted according to actual needs, the whole length is adjusted, and the whole practicability is improved.

Drawings

Fig. 1 is a schematic view of the overall assembly of the present utility model.

Fig. 2 is a schematic view of a portion of a first connector post of the present utility model.

Fig. 3 is a schematic view of a portion of a second connector post of the present utility model.

In the figure:

1. a first connection pipe; 2. a second connection pipe; 3. a connection hole; 4. an inner latch; 5. an outer latch; 6. a shrinking opening; 7. a thread; 8. a fixing nut; 9. a connector; 10. a mounting hole; 11. a universal connection; 12. and a fixing ring.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-3, the utility model provides a universal shaft of a rolling mill, which comprises a first connecting pipe 1 and a second connecting pipe 2, wherein a connecting hole 3 is formed in the first connecting pipe 1, an inner latch 4 is formed in the inner wall of the connecting hole 3, an outer latch 5 is arranged on the second connecting pipe 2, a thread 7 is formed on the outer surface of the first connecting pipe 1, a shrinkage opening 6 is formed on the first connecting pipe 1, a fixing nut 8 is connected to the first connecting pipe 1 through the thread 7, one end of the first connecting pipe 1, which is provided with the shrinkage opening 6, is in an outward expansion state, the fixing nut 8 is rotated, the fixing nut 8 gradually moves towards the middle part of the first connecting pipe 1, the limit of the fixing nut 8 is reduced, at the moment, one end of the first connecting pipe 1, which is provided with the shrinkage opening 6, is gradually opened, then the second connecting pipe 2 is pulled out from the inner part of the connecting hole 3, the whole body can be divided into two parts, and transportation is convenient.

As an embodiment of the present utility model, the size of the second connection pipe 2 is adapted to the size of the connection hole 3, and the second connection pipe 2 is inserted into the connection hole 3.

As an embodiment of the present utility model, the inner locking teeth 4 and the outer locking teeth 5 are adapted, the inner locking teeth 4 and the outer locking teeth 5 are engaged with each other, and the inner locking teeth 4 inside the first connecting pipe 1 are gradually engaged with the outer locking teeth 5 by rotating the fixing nut 8, so that the first connecting pipe 1 and the second connecting pipe 2 can be connected.

As an embodiment of the utility model, the constriction 6 and the thread 7 are located at the same end of the first connecting tube 1.

As an embodiment of the present utility model, the first connecting pipe 1 and the second connecting pipe 2 are both provided with a connector 9, the connector 9 is provided with a mounting hole 10, a universal connecting piece 11 is mounted in the mounting hole 10, and a fixing ring 12 is mounted on the universal connecting piece 11.

The specific working principle is as follows:

when in actual use, the fixing nut 8 is rotated at first, the fixing nut 8 gradually moves towards the middle part of the first connecting pipe 1, the limit of the fixing nut 8 is reduced, at the moment, one end of the first connecting pipe 1 provided with the shrinkage port 6 can be gradually opened, then the second connecting pipe 2 is pulled out from the inside of the connecting hole 3, the whole body can be divided into two parts, and the transportation is convenient; when needs are installed, peg graft second connecting pipe 2 to the inside of first connecting pipe 1 earlier, then rotatory fixation nut 8, fixation nut 8 can make the gradual shrink of shrinkage cavity 6, the inside interior card tooth 4 of first connecting pipe 1 can step by step with outer card tooth 5 block this moment to can make first connecting pipe 1 and second connecting pipe 2 connect, can adjust the inside length of second connecting pipe 2 intubate connecting hole 3 according to actual need, thereby adjust holistic length, improve holistic practicality.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. The utility model provides a rolling mill universal shaft, includes first connecting pipe (1) and second connecting pipe (2), its characterized in that: the novel connecting pipe is characterized in that the connecting hole (3) is formed in the first connecting pipe (1), the inner wall of the connecting hole (3) is provided with the inner clamping tooth (4), the second connecting pipe (2) is provided with the outer clamping tooth (5), the outer surface of the first connecting pipe (1) is provided with the screw thread (7), the first connecting pipe (1) is provided with the shrinkage opening (6), the first connecting pipe (1) is connected with the fixing nut (8) through the screw thread (7), and one end of the first connecting pipe (1) provided with the shrinkage opening (6) is in an outward expansion state.

2. A rolling mill cardan shaft according to claim 1, characterised in that: the size of the second connecting pipe (2) is matched with the size of the connecting hole (3), and the second connecting pipe (2) is inserted into the connecting hole (3).

3. A rolling mill cardan shaft according to claim 1, characterised in that: the inner clamping teeth (4) and the outer clamping teeth (5) are matched with each other, and the inner clamping teeth (4) and the outer clamping teeth (5) are mutually clamped.

4. A rolling mill cardan shaft according to claim 1, characterised in that: the constriction (6) and the thread (7) are located at the same end of the first connecting tube (1).

5. A rolling mill cardan shaft according to claim 1, characterised in that: the novel connecting device is characterized in that connectors (9) are arranged on the first connecting pipe (1) and the second connecting pipe (2), mounting holes (10) are formed in the connectors (9), universal connecting pieces (11) are mounted in the mounting holes (10), and fixing rings (12) are mounted on the universal connecting pieces (11).