CN213793468U

CN213793468U - Roller convenient to dismouting

Info

Publication number: CN213793468U
Application number: CN202022840438.4U
Authority: CN
Inventors: 张文华; 窦建民; 李国荣; 王建瑞
Original assignee: Shijiazhuang Kaifu Roller Co ltd
Current assignee: Shijiazhuang Kaifu Roller Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-07-27
Anticipated expiration: 2030-12-01

Abstract

The utility model provides a roller convenient for disassembly and assembly, belonging to the technical field of steel pipe processing dies, comprising a connecting shaft, a connecting sleeve, a working roller, a first limiting mechanism and a second limiting mechanism; the connecting sleeve is rotationally connected with the connecting shaft through a bearing; the working roller is detachably connected with the connecting sleeve; the first limiting mechanism is arranged on the connecting shaft and used for axially limiting the connecting sleeve; the second limiting mechanism is arranged on the connecting shaft and connected with the connecting sleeve; the second limiting mechanism is provided with limiting parts for limiting two ends of the working roll; when the working roller needs to be replaced, the connecting shaft is detached from the rack, the second limiting mechanism is detached from the connecting sleeve, and then the working roller is detached from the connecting sleeve; easy dismounting just need not to dismantle the bearing, can reduce the damage that causes the bearing.

Description

Roller convenient to dismouting

Technical Field

The utility model belongs to the technical field of the steel pipe mold processing, more specifically say, relate to a roll convenient to dismouting.

Background

When the steel pipe is manufactured, bending the steel plate through a plurality of groups of rollers to enable the steel plate to form a circular pipe shape, and finally welding at a joint to form a straight welded pipe; further processing the straight welded pipe by a plurality of groups of rollers to finally form a square pipe or a pipe with other shapes; when the straight welded pipe is processed into a square pipe, the last step is to shape the square pipe, a square cavity is formed through four rollers, the square pipe passes through the square cavity, and the four rollers are respectively contacted with four surfaces of the square pipe, so that the square pipe is shaped; when the roller is used, two ends of the roller are connected with the rack through bearings so as to facilitate the rotation of the roller; after the damage appears in this roll, need change this roll, however, all need dismantle bearing and roll among the prior art, dismouting inefficiency just causes the damage to the bearing easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roll convenient to dismouting aims at solving the technical problem that is not convenient for carry out the dismouting to the roll among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: the roller convenient to disassemble and assemble is provided, and comprises a connecting shaft, a connecting sleeve, a working roller, a first limiting mechanism and a second limiting mechanism; the connecting sleeve is rotationally connected with the connecting shaft through a bearing; the working roller is detachably connected with the connecting sleeve; the first limiting mechanism is arranged on the connecting shaft and used for axially limiting the connecting sleeve; the second limiting mechanism is arranged on the connecting shaft and connected with the connecting sleeve; the second limiting mechanism is provided with limiting parts used for limiting two ends of the working roll.

As another embodiment of the present application, the first limiting mechanism includes at least two limiting sleeves, and each limiting sleeve is connected to the connecting shaft; and the two limiting sleeves are respectively contacted with two ends of the bearing so as to axially limit the bearing.

As another embodiment of the application, the second limiting mechanism comprises at least two cover plates, the two cover plates are respectively positioned at two ends of the working roll, and each cover plate is detachably connected with the connecting sleeve; the limiting part is connected with the cover plate and is in contact with two ends of the working roller to limit the axial direction of the working roller.

As another embodiment of this application, two the apron with form sealed chamber between the adapter sleeve, the bearing setting is in sealed intracavity, sealed chamber is used for placing lubricating oil.

As another embodiment of this application, be equipped with seal structure on the apron, seal structure with spacing sleeve contact, in order to right sealed chamber seals.

As another embodiment of the application, an oil filling hole is formed in the cover plate and communicated with the sealing cavity; and the cover plate is provided with an oil injection mechanism for injecting oil to the oil injection hole.

As another embodiment of the application, the oil injection mechanism comprises an oil injection cylinder and an oil injection rod, and a piston is arranged on the oil injection rod; an oil outlet is formed in the oil filling cylinder, and the oil filling rod is connected with the oil filling cylinder in a sliding mode through the piston so as to fill oil into the sealing cavity.

As another embodiment of this application, annotate a section of thick bamboo with the oil filler point is pegged graft, be equipped with connection structure on the apron, connection structure is used for will after the oiling finishes annotate an oiling section of thick bamboo is fixed on the apron.

As another embodiment of the present application, the connection structure includes a connection portion disposed on the cover plate, and the connection portion is provided with a threaded hole; the oil filling cylinder is provided with a through hole, and the through hole is aligned with the threaded hole; the oil filling cylinder is connected with the connecting part through a bolt.

As another embodiment of the application, the working roll is connected with the connecting sleeve in a key mode.

The utility model provides a pair of roll convenient to dismouting has the beneficial effect of: compared with the prior art, when in use, the connecting shaft is connected with the frame, and the working roller and the connecting sleeve rotate together on the connecting shaft, so that the square tube is convenient to shape; when the working roller needs to be replaced, the connecting shaft is detached from the rack, the second limiting mechanism is detached from the connecting sleeve, and then the working roller is detached from the connecting sleeve; the dismounting is convenient, the bearing does not need to be dismounted, and the damage to the bearing can be reduced; the connecting sleeve is axially limited through the first limiting mechanism, so that the position of the connecting sleeve and the connecting shaft can be kept unchanged in the rotating process, and the working roller can be conveniently contacted with the square pipe to shape the square pipe; because the position of adapter sleeve and connecting axle is unchangeable, can dismantle with the adapter sleeve through second stop gear and be connected, can guarantee that second stop gear keeps unchangeable in the position of connecting axle, therefore the spacing portion on the second stop gear of being convenient for carries on spacingly to the both ends of work roll, reduces the axial skew of work roll in the course of the work, consequently is convenient for set square pipe.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic half-sectional view of a roller convenient to disassemble and assemble according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an oiling mechanism portion of a roller, which is convenient to disassemble and assemble according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an oil filling cylinder portion of a roll, which is convenient to disassemble and assemble according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a usage state of a roller convenient to disassemble and assemble according to an embodiment of the present invention.

In the figure: 1. a connecting shaft; 2. connecting sleeves; 21. a baffle ring; 22. sealing the cavity; 3. a work roll; 4. a second limiting mechanism; 41. a limiting part; 42. a cover plate; 421. a sealing groove; 422. an oil filler hole; 423. a connecting portion; 43. an oiling mechanism; 431. an oil filling cylinder; 4311. an oil outlet; 4312. connecting blocks; 432. an oil injection rod; 433. a piston; 5. and a limiting sleeve.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 4, a roller of the present invention is now described. A roller convenient to disassemble and assemble comprises a connecting shaft 1, a connecting sleeve 2, a working roller 3, a first limiting mechanism and a second limiting mechanism 4; the connecting sleeve 2 is rotationally connected with the connecting shaft 1 through a bearing; the working roll 3 is detachably connected with the connecting sleeve 2; the first limiting mechanism is arranged on the connecting shaft 1 and used for axially limiting the connecting sleeve 2; the second limiting mechanism 4 is arranged on the connecting shaft 1 and connected with the connecting sleeve 2; the second limiting mechanism 4 is provided with limiting portions 41 for limiting both ends of the work roll 3.

Compared with the prior art, the roller convenient to disassemble and assemble provided by the utility model has the advantages that when in use, the connecting shaft 1 is connected with the frame, and the working roller 3 and the connecting sleeve 2 rotate together on the connecting shaft 1, so that the square tube can be shaped conveniently; when the working roller 3 needs to be replaced, the connecting shaft 1 is detached from the frame, the second limiting mechanism 4 is detached from the connecting sleeve 2, and then the working roller 3 is detached from the connecting sleeve 2; the dismounting is convenient, the bearing does not need to be dismounted, and the damage to the bearing can be reduced; the connecting sleeve 2 is axially limited through the first limiting mechanism, so that the position of the connecting sleeve 2 and the connecting shaft 1 can be kept unchanged in the rotating process, and the working roller 3 can be conveniently contacted with the square pipe to shape the square pipe; because the position of the connecting sleeve 2 and the connecting shaft 1 is unchanged, the second limiting mechanism 4 is detachably connected with the connecting sleeve 2, and the second limiting mechanism 4 can be kept unchanged at the position of the connecting shaft 1, so that the limiting part 41 on the second limiting mechanism 4 can limit the two ends of the working roller 3 conveniently, the axial deviation of the working roller 3 in the working process is reduced, and the square tube can be shaped conveniently.

As a specific embodiment of the roller convenient to disassemble and assemble provided by the present invention, please refer to fig. 1 to 4, the first limiting mechanism includes at least two limiting sleeves 5, each limiting sleeve 5 is connected with the connecting shaft 1; the two limiting sleeves 5 are respectively contacted with two ends of the bearing to axially limit the bearing; in this embodiment, three limiting sleeves 5 are used for explanation; the number of the bearings is two, a baffle ring 21 is arranged in the connecting sleeve 2, and the baffle ring 21 is respectively contacted with the two bearings; the length of the limiting sleeve 5 between the two bearings is the same as that of the baffle ring 21, and the baffle ring 21 is matched with the limiting sleeve 5, so that the limiting is conveniently carried out on the same side ends of the two bearings; the remaining two limiting sleeves 5 are respectively positioned at the outer ends of the two bearings and are respectively contacted with the end parts of the two bearings; the limiting sleeve 5 is fixedly connected with the connecting shaft 1 after being arranged on the connecting shaft 1; the axial positions of the two bearings can be limited through the three limiting sleeves 5, so that the connecting sleeve 2 rotates at the fixed position of the connecting shaft 1; because the working roll 3 is connected with the connecting sleeve 2, the axial deviation of the working roll 3 can be reduced when the working roll 3 works, and the square pipe can be shaped conveniently by the working roll 3.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the second limiting mechanism 4 includes at least two cover plates 42, the two cover plates 42 are respectively located at two ends of the working roll 3, and each cover plate 42 is detachably connected to the connecting sleeve 2; the limiting part 41 is connected with the cover plate 42 and is contacted with two ends of the working roll 3 to limit the axial direction of the working roll 3; the cover plates 42 are provided with through holes and are sleeved with the limiting sleeves 5, and the two cover plates 42 are connected with the connecting sleeve 2 through bolts, so that the cover plates 42 are conveniently fixed on the connecting sleeve 2; the limiting part 41 is fixed on the cover plate 42, after the cover plate 42 is fixed on the connecting sleeve 2, the limiting part 41 on the cover plate 42 is contacted with the end part of the working roll 3, and the position of the connecting sleeve 2 on the connecting shaft 1 is fixed, so that the limiting part 41 can conveniently axially limit the working roll 3.

As a specific implementation manner of the embodiment of the present invention, referring to fig. 1 to 4, a sealing cavity 22 is formed between the two cover plates 42 and the connecting sleeve 2, the bearing is disposed in the sealing cavity 22, and the sealing cavity 22 is used for placing lubricating oil; the lubricating oil is arranged in the sealing cavity 22, so that the bearing in the sealing cavity 22 can be lubricated, the abrasion of the bearing is reduced, and the service life of the bearing is prolonged conveniently.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, a sealing structure is disposed on the cover plate 42, and the sealing structure contacts with the limiting sleeve 5 to seal the sealing cavity 22; the junction of apron 42 and spacing sleeve 5 is equipped with a plurality of seal grooves 421, and seal structure can further seal sealed chamber 22 including setting up the sealing washer in seal groove 421, sealing washer and spacing sleeve 5 butt, reduces the lubricating oil that spills over from sealed chamber 22 to can reduce the waste of lubricating oil.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, an oil hole 422 is disposed on the cover plate 42, and the oil hole 422 is communicated with the sealing cavity 22; the cover plate 42 is provided with an oil injection mechanism 43 for injecting oil to the oil injection hole 422; the oiling mechanism 43 comprises an oiling barrel 431 and an oiling rod 432, and a piston 433 is arranged on the oiling rod 432; an oil outlet 4311 is formed in the oil filling cylinder 431, and the oil filling rod 432 is connected with the oil filling cylinder 431 in a sliding mode through a piston 433 so as to fill oil into the sealing cavity 22; the piston 433 abuts against the inner wall of the filler cylinder 431 to seal the filler cylinder 431; when oil needs to be filled into the sealed cavity 22, the lubricating oil is placed in the oil filling cylinder 431 and slides in the oil filling cylinder 431 through the oil filling rod 432, so that the piston 433 pushes the lubricating oil out of the oil outlet 4311, and the lubricating oil enters the sealed cavity 22, and the oil filling of the sealed cavity 22 is completed.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the oil filling cylinder 431 is inserted into the oil filling hole 422, and the cover plate 42 is provided with a connection structure, which is used for fixing the oil filling cylinder 431 on the cover plate 42 after the oil filling is completed; the connecting structure comprises a connecting part 423 arranged on the cover plate 42, and a threaded hole is formed in the connecting part 423; the oil filling cylinder 431 is provided with a through hole, and the through hole is aligned with the threaded hole; the oil filling cylinder 431 is connected with the connecting part 423 by a bolt; the connecting part 423 is fixed at the outer side end of the cover plate 42, the oil injection cylinder 431 is fixedly provided with a connecting block 4312, and the connecting block 4312 is provided with a through hole aligned with the threaded hole; when oil injection is performed, the oil cylinder 431 is taken out of the oil injection hole 422, lubricating oil is added into the oil cylinder 431, and then the oil cylinder 431 is inserted into the oil injection hole 422 to perform oil injection on the seal cavity 22; after the oiling is finished, the oiling barrel 431 stays in the oiling hole 422, the oiling barrel 431 is fixed on the cover plate 42 through the bolt, the oiling barrel 431 can be prevented from being lost, meanwhile, lubricating oil flowing out of the oiling hole 422 can be reduced, impurities entering the sealing cavity 22 from the oiling hole 422 are reduced, and the lubricating oil in the sealing cavity 22 can be conveniently used.

As a specific implementation manner of the embodiment of the present invention, please refer to fig. 1 to 4, the working roll 3 is connected to the connecting sleeve 2 by a key, so that the working roll 3 can rotate together with the connecting sleeve 2, the friction between the working roll 3 and the connecting sleeve 2 can be reduced, and the abrasion of the working roll 3 is reduced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A roll convenient to disassemble and assemble is characterized by comprising:

a connecting shaft;

the connecting sleeve is rotationally connected with the connecting shaft through a bearing;

the working roller is detachably connected with the connecting sleeve;

the first limiting mechanism is arranged on the connecting shaft and used for axially limiting the connecting sleeve; and

the second limiting mechanism is arranged on the connecting shaft and is detachably connected with the connecting sleeve; the second limiting mechanism is provided with limiting parts used for limiting two ends of the working roll.

2. The roller convenient for disassembly and assembly as claimed in claim 1, wherein the first limiting mechanism comprises at least two limiting sleeves, each limiting sleeve is connected with the connecting shaft; and the two limiting sleeves are respectively contacted with two ends of the bearing so as to axially limit the bearing.

3. The roller convenient for disassembly and assembly as claimed in claim 2, wherein the second limiting mechanism comprises at least two cover plates, the two cover plates are respectively positioned at two ends of the working roller, and each cover plate is detachably connected with the connecting sleeve; the limiting part is connected with the cover plate and is in contact with two ends of the working roller to limit the axial direction of the working roller.

4. The roller convenient for disassembly and assembly as claimed in claim 3, wherein a sealed cavity is formed between the two cover plates and the connecting sleeve, the bearing is arranged in the sealed cavity, and the sealed cavity is used for containing lubricating oil.

5. The roller convenient for disassembly and assembly as claimed in claim 4, wherein the cover plate is provided with a sealing structure, and the sealing structure is in contact with the limiting sleeve to seal the sealing cavity.

6. The roller convenient for disassembly and assembly as claimed in claim 4, wherein the cover plate is provided with an oil hole, and the oil hole is communicated with the seal cavity; and the cover plate is provided with an oil injection mechanism for injecting oil to the oil injection hole.

7. The roller convenient for disassembly and assembly as claimed in claim 6, wherein the oil injection mechanism comprises an oil injection cylinder and an oil injection rod, and a piston is arranged on the oil injection rod; an oil outlet is formed in the oil filling cylinder, and the oil filling rod is connected with the oil filling cylinder in a sliding mode through the piston so as to fill oil into the sealing cavity.

8. The roll convenient to disassemble and assemble as claimed in claim 7, wherein the oil filling cylinder is inserted into the oil filling hole, and the cover plate is provided with a connecting structure for fixing the oil filling cylinder on the cover plate after oil filling is completed.

9. The roll convenient to disassemble and assemble as claimed in claim 8, wherein the connecting structure comprises a connecting part arranged on the cover plate, and a threaded hole is arranged on the connecting part; the oil filling cylinder is provided with a through hole, and the through hole is aligned with the threaded hole; the oil filling cylinder is connected with the connecting part through a bolt.

10. The roll facilitating disassembly and assembly of claim 1, wherein the work roll is keyed to the adapter sleeve.