阅读说明：本技术 防轴颈产生裂纹的轧辊淬火辅助装置 (Roller quenching auxiliary device for preventing shaft neck from generating cracks ) 是由 周园园 于 2021-06-23 设计创作，主要内容包括：本发明公开了轧辊淬火技术领域的防轴颈产生裂纹的轧辊淬火辅助装置,包括,支撑组件,所述支撑组件包括辊体,所述辊体的左方设置有U形架；轴颈保护组件,所述轴颈保护组件包括对称套设在两端轴颈处的防护外筒,所述防护内筒外壁靠近辊体的一侧固定设置有与辊体端部外壁贴合的弹性接触环；自动对接组件,所述自动对接组件设置在U形架内。本发明使得轴颈处于防护外筒和防护内筒内,并且在弹性件的作用下使得防护内筒一端的弹性接触环始终接触辊体端部,使得外界的冷却水不会进入影响到轴颈,同时通过双向丝杠驱动使得两组承接板相互靠近,进而使得轴颈保护组件自动套入轴颈内,降低人工工作负担的同时也降低安全隐患。(The invention discloses a roller quenching auxiliary device for preventing a journal from cracking, which belongs to the technical field of roller quenching, and comprises a supporting component, wherein the supporting component comprises a roller body, and a U-shaped frame is arranged on the left side of the roller body; the shaft neck protection component comprises a protection outer cylinder symmetrically sleeved at shaft necks at two ends, and one side, close to the roller body, of the outer wall of the protection inner cylinder is fixedly provided with an elastic contact ring attached to the outer wall of the end part of the roller body; the automatic butt joint assembly is arranged in the U-shaped frame. The invention ensures that the shaft neck is positioned in the protective outer cylinder and the protective inner cylinder, the elastic contact ring at one end of the protective inner cylinder is always contacted with the end part of the roller body under the action of the elastic part, so that external cooling water cannot enter and influence the shaft neck, and simultaneously two groups of bearing plates are close to each other through the drive of the bidirectional screw rod, so that the shaft neck protection component is automatically sleeved in the shaft neck, the workload of manual work is reduced, and the potential safety hazard is also reduced.)

1. Prevent that axle journal from producing roll quenching auxiliary device of crackle, its characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the supporting assembly (1) comprises a roller body (11), a shaft neck (12) is arranged at the end part of the roller body (11), a U-shaped frame (13) is arranged on the left side of the roller body (11), and the top of the U-shaped frame (13) is fixed with the output end of a telescopic device (14);

the shaft neck protection component (2), the shaft neck protection component (2) comprises a protection outer cylinder (21) symmetrically sleeved at shaft necks (12) at two ends, the inner wall of the protection outer cylinder (21) is connected with a sliding block arranged on the outer wall of a protection inner cylinder (22) in an annular array in a sliding mode through a sliding groove formed in the annular array, one end, away from the shaft neck (12), of the sliding block is fixed with the inner wall of one side of the sliding groove through an elastic piece, one side, close to the roller body (11), of the outer wall of the protection inner cylinder (22) is fixedly provided with an elastic contact ring (23) attached to the outer wall of the end part of the roller body (11), and one end, away from the roller body (11), of the protection outer cylinder (21) is fixedly inserted with a communicated hollow column (24);

the automatic butt joint component (3), the automatic butt joint component (3) is arranged in the U-shaped frame (13).

2. The roll quenching auxiliary device for preventing the journal from cracking as claimed in claim 1, wherein: hollow post (24) internal fixation has the circular block, and the activity runs through about circular block centre of a circle department has movable rod (212), and movable rod (212) one end be fixed with axle journal (12) tip laminating fixed block, fixed block opposite side laminating protection urceolus (21) inner wall, movable rod (212) other end is fixed with driving block (26), driving block (26) left side top integrated into one piece has the arc convex part, the one end that movable rod (212) were kept away from in driving block (26) is fixed with flexible telescopic link (27).

3. The roll quenching auxiliary device for preventing the journal from cracking as claimed in claim 2, wherein: protection urceolus (21) outer wall is equipped with drive ring gear (28) through bearing movable sleeve, and drives ring gear (28) and keep away from one side outer end of roll body (11) and be fixed with annular chimb (29), annular chimb (29) inner wall annular array integrated into one piece has the arc protruding, protection urceolus (21) circumference outer wall just corresponds the equal activity of the bellied position of arc and inserts and be equipped with follower rod (210), and follower rod (210) one end and annular chimb (29) inner wall slip butt, follower rod (210) other end is fixed with arc contact plate (211), arc contact plate (211) are in protection urceolus (21), follower rod (210) outer wall is provided with connecting spring.

4. The roll quenching aid for preventing journal cracking as claimed in claim 3, wherein: automatic butt joint subassembly (3) set up left two-way lead screw (31) in U-shaped frame (13) including vertical rotation, and U-shaped frame (13) top left side is provided with two-way lead screw of drive (31) pivoted drive arrangement one, two-way lead screw (31) outer wall top and the equal movable sleeve in bottom are equipped with accepts board (32), and accept board (32) one end and U-shaped frame (13) left side inner wall sliding connection, top and bottom accept board (32) other end and establish hollow post (24) outer wall at top and bottom through bearing movable sleeve respectively.

5. The roll quenching aid for preventing journal cracking as claimed in claim 4, wherein: two sets of accept board (32) one side left end mutually on the back all is equipped with follow-up threaded sleeve (33) through bearing movable sleeve, and follow-up threaded sleeve (33) thread bush establishes at two-way lead screw (31) outer wall, the fixed cover of follow-up threaded sleeve (33) outer wall one end is equipped with solid fixed ring (34), and gu fixed ring (34) circumference outer wall annular array has seted up multiunit jack, top the top middle part of accepting board (32) is fixed with drive arrangement two, and two output of drive arrangement and hollow post in top (24) outer wall pass through gear train (25) transmission and connect.

6. The roll quenching aid for preventing journal cracking as claimed in claim 5, wherein: two sets of accept board (32) one side of carrying on the back mutually all is fixed with L shape frame (38), L shape frame (38) are in between solid fixed ring (34) and drive arrangement two, the other end and the L shape frame (38) of elastic telescopic rod (27) are fixed, L shape frame (38) are gone up about the activity run through have with jack complex butt joint post (37), and butt joint post (37) the right-hand member and drive block (26) left side bottom activity butt, butt joint post (37) outer wall cover is equipped with reset spring (35).

7. The roll quenching auxiliary device for preventing the journal from cracking as claimed in claim 6, wherein: the outer wall of the bidirectional screw rod (31) is fixedly sleeved with a follow-up gear (39) at a position corresponding to the driving toothed ring (28), one opposite side of each of the two bearing plates (32) is rotatably provided with a transmission gear (36) through a rotating shaft, and the transmission gear (36) is positioned between the follow-up gear (39) and the driving toothed ring (28).

Technical Field

The invention relates to the technical field of roller quenching, in particular to a roller quenching auxiliary device for preventing a journal from generating cracks.

Background

At present, the roller can be cooled by cooling water in the quenching process, but part of water can enter the shaft neck of the roller, and the shaft neck is easy to crack after meeting water at high temperature, so that the quality of the roller is seriously affected.

Current department installation protection device through the axle journal, traditional protection device adopts two sets of fixed covers to assemble mutually through the bolt fastening mostly, generally adopt artifical manual installation, this kind of mode needs artifical cost plenty of time to install and demolishs, because higher rolling rod temperature when improving artifical intensity of labour, certain potential safety hazard has during the assembly protection device, simultaneously two sets of fixed covers appear expending with heat and contracting with cold easily and warp, lead to follow-up being difficult to demolish the bolt and break away from the axle journal, bring a great deal of inconvenience for roll quenching work. For this purpose, we propose a roll quenching aid that prevents journal cracking.

Disclosure of Invention

The invention aims to provide a roller quenching auxiliary device for preventing a journal from cracking so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the auxiliary device for quenching the roller for preventing the axle journal from generating cracks comprises,

the supporting assembly comprises a roller body, a shaft neck is arranged at the end part of the roller body, a U-shaped frame is arranged on the left side of the roller body, and the top of the U-shaped frame is fixed with the output end of the telescopic device;

the axle neck protection assembly comprises a protection outer barrel symmetrically sleeved at axle necks at two ends, the inner wall of the protection outer barrel is in sliding connection with a sliding block arranged on the outer wall of the protection inner barrel in an annular array mode through a sliding chute arranged in the annular array mode, one end, far away from the axle neck, of the sliding block is fixed to the inner wall of one side of the sliding chute through an elastic piece, an elastic contact ring attached to the outer wall of the end portion of the roller body is fixedly arranged on one side, close to the roller body, of the outer wall of the protection inner barrel, and a hollow column communicated with the outer wall of the end portion of the roller body is fixedly inserted into one end, far away from the roller body, of the protection outer barrel;

the automatic butt joint assembly is arranged in the U-shaped frame.

Further, hollow post internal fixation has the circular block, and the activity runs through about the circular block centre of a circle department has the movable rod, and movable rod one end is fixed with the fixed block with the laminating of axle journal tip, the laminating of fixed block opposite side protection urceolus inner wall, the movable rod other end is fixed with the drive block, drive block left side top integrated into one piece has the arc convex part, the one end that the movable rod was kept away from to the drive block is fixed with flexible telescopic link.

Further, the outer wall of the protection outer barrel is provided with a driving toothed ring through a bearing movable sleeve, an annular convex edge is fixed to the outer end of one side, away from the roller body, of the driving toothed ring, an arc protrusion is formed in the annular convex edge inner wall in an integrated mode, the outer wall of the circumference of the protection outer barrel corresponds to the arc protrusion, a follower rod is movably inserted in the position, in the corresponding mode, of the outer wall of the circumference of the protection outer barrel, one end of the follower rod is in sliding butt joint with the inner wall of the annular convex edge, an arc contact plate is fixed to the other end of the follower rod, the arc contact plate is located in the protection outer barrel, and a connecting spring is arranged on the outer wall of the follower rod.

Further, automatic butt joint subassembly includes that vertical rotation sets up left two-way lead screw in U-shaped frame, and U-shaped frame top left side is provided with the two-way lead screw pivoted drive arrangement one of drive, the equal movable sleeve in two-way lead screw outer wall top and bottom is equipped with accepts the board, and accepts board one end and U-shaped frame left side inner wall sliding connection, top and bottom it establishes the hollow post outer wall in top and bottom respectively through the bearing movable sleeve to accept the board other end.

Further, it is two sets of accept the board mutually the back of the body one side left end all through bearing movable sleeve be equipped with follow-up thread sleeve, and follow-up thread sleeve establishes at two-way lead screw outer wall, the fixed cover of follow-up thread sleeve outer wall one end is equipped with solid fixed ring, and solid fixed ring circumference outer wall ring array has seted up multiunit jack, top the top middle part of accepting the board is fixed with drive arrangement two, and two output of drive arrangement and the hollow post outer wall in top pass through the gear train transmission and connect.

Further, it is two sets of accept board one side of carrying on the back mutually all is fixed with L shape frame, L shape frame is in between solid fixed ring and the drive arrangement two, the other end and the L shape frame of elasticity telescopic link are fixed, the activity runs through about L shape puts up have with jack complex butt joint post, and butt joint post's right-hand member and drive block left side bottom activity butt, butt joint post outer wall cover is equipped with reset spring.

Furthermore, the outer wall of the bidirectional screw rod is fixedly sleeved with a servo gear at a position corresponding to the driving toothed ring, one side of each of the two bearing plates is provided with a transmission gear in a rotating mode through a rotating shaft, and the transmission gear is located between the servo gear and the driving toothed ring.

Compared with the prior art, the invention has the beneficial effects that: the invention leads the shaft neck to be positioned in the protective outer cylinder and the protective inner cylinder, leads the elastic contact ring at one end of the protective inner cylinder to be always contacted with the end part of the roller body under the action of the elastic part, leads the external cooling water not to enter and influence the shaft neck, leads two groups of bearing plates to be mutually close through the drive of the bidirectional screw rod, further leads the shaft neck protective component to be automatically sleeved in the shaft neck to be separated, does not cause the problem of difficult separation due to the deformation caused by expansion caused by heat and contraction caused by cold, reduces the manual work burden and simultaneously reduces the potential safety hazard, simultaneously pushes the fixed block to lead the driving block to move outwards after the shaft neck enters, leads the butt-joint column to be separated from the jack, leads the bearing plates to stop moving, leads the transmission gear, the following gear and the driving toothed ring to be in a meshed state, and further leads the driving toothed ring to rotate through the cooperation of the transmission gear and the following gear in the process of the continuous rotation of the bidirectional screw rod, the arc-shaped contact plate is contacted with the outer wall of the journal, so that the journal protection component can not be separated from the journal, and the protection performance of the journal is further improved.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a perspective view of the journal protection assembly of the present invention;

FIG. 3 is a perspective view of another perspective of the journal protection assembly structure of the present invention;

fig. 4 is a perspective view of the automatic docking assembly structure of the present invention.

In the figure: 1. a support assembly; 11. a roller body; 12. a journal; 13. a U-shaped frame; 14. a telescoping device; 2. a journal protection assembly; 21. a protective outer cylinder; 22. a protective inner barrel; 23. an elastic contact ring; 24. a hollow column; 25. a gear set; 26. a drive block; 27. an elastic telescopic rod; 28. a drive gear ring; 29. an annular flange; 210. a follower rod; 211. an arc-shaped contact plate; 212. a movable rod; 3. an automatic docking assembly; 31. a bidirectional lead screw; 32. a bearing plate; 33. a follow-up threaded sleeve; 34. a fixing ring; 35. a return spring; 36. a transmission gear; 37. butting columns; 38. l-shaped frame 39 and follow-up gear.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, the present invention provides a roll quenching auxiliary device for preventing journal cracks, including,

the support assembly 1 comprises a roller body 11, a shaft neck 12 is arranged at the end part of the roller body 11, a U-shaped frame 13 is arranged at the left side of the roller body 11, the top of the U-shaped frame 13 is fixed with the output end of a telescopic device 14, and the telescopic device 14 is an air cylinder or a hydraulic cylinder and the like and is fixed on an external frame;

the journal protection component 2, the journal protection component 2 includes a protection outer cylinder 21 symmetrically sleeved at the journals 12 at both ends, the inner wall of the protection outer cylinder 21 is connected with a sliding block arranged in an annular array on the outer wall of the protection inner cylinder 22 through a sliding chute arranged in an annular array, the sliding block and the protection inner cylinder 22 are integrally formed, so that the protection inner cylinder 22 is not separated from the protection outer cylinder 21, the protection outer cylinder 21 and the protection inner cylinder 22 are made of thermal insulation materials widely applied in the field, so that the protection outer cylinder 21 and the protection inner cylinder 22 are not expanded with heat or contracted with cold, no detailed description is given here, one end of the sliding block far away from the journal 12 is fixed with the inner wall at one side of the sliding chute through an elastic part, the elastic part is a spring, so that the elastic contact ring 23 is always in contact with the outer wall at the end of the roller body 11, the elastic contact ring 23 attached to the outer wall at the end of the roller body 11 is fixedly arranged at one side of the outer wall of the protection inner cylinder 22 close to the roller body 11, the elastic contact ring 23 is made of elastic rubber material, and one end of the protective outer cylinder 21 far away from the roller body 11 is fixedly inserted with a communicated hollow column 24;

automatic butt joint subassembly 3, automatic butt joint subassembly 3 sets up in U-shaped frame 13.

Referring to fig. 2-4, a circular block is fixed in the hollow column 24, a movable rod 212 penetrates through the center of the circular block in a vertically movable manner, a bearing is arranged at the joint of the movable rod 212 and the circular block, so that the rotation of the movable rod 212 and the circular block is not interfered with each other, a fixed block attached to the end of the shaft neck 12 is fixed at one end of the movable rod 212, the fixed block is in contact with the end of the shaft neck 12, the shaft neck 12 enters the pressing fixed block and is attached to the inner wall of the protective outer cylinder 21, the other end of the fixed block is attached to the inner wall of the protective outer cylinder 21, a driving block 26 is fixed at the other end of the movable rod 212, an arc-shaped convex part is integrally formed at the top of the left side of the driving block 26, an elastic telescopic rod 27 is fixed at one end of the driving block 26 away from the movable rod 212, and when the fixed block is separated from the shaft neck 12, the driving block 26 moves inwards to reset, so that the arc-shaped convex part is in contact with the butt column 37;

referring to fig. 2-4, the outer wall of the protection outer cylinder 21 is movably sleeved with a driving toothed ring 28 through a bearing, so that the rotation of the driving toothed ring 28 does not interfere with the protection outer cylinder 21, an outer end of one side of the driving toothed ring 28 away from the roller body 11 is fixed with an annular convex edge 29, an annular array of an inner wall of the annular convex edge 29 is integrally formed with arc-shaped protrusions, follower rods 210 are movably inserted into positions of the outer wall of the protection outer cylinder 21 corresponding to the arc-shaped protrusions, one end of each follower rod 210 is in sliding contact with an inner wall of the annular convex edge 29, the other end of each follower rod 210 is fixed with an arc-shaped contact plate 211, the arc-shaped contact plates 211 are used for contacting with an outer wall of the journal 12, the arc-shaped contact plates 211 are located in the protection outer cylinder 21, the outer wall of each follower rod 210 is provided with a connecting spring, one end of each connecting spring is fixed with the outer wall of each follower rod 210, the other end of each connecting spring is fixed with the outer wall of the protection outer cylinder 21, the driving toothed ring 28 enables a plurality of the groups of follower rods 210 to synchronously move inwards or outwards through the arc-shaped protrusions through the annular convex edge 29, the contact or separation of the arc-shaped contact plate 211 with the outer wall of the journal 12 is achieved.

Example 2

Referring to fig. 3-4, the automatic docking assembly 3 includes a bidirectional screw 31 vertically and rotatably disposed on the left side of the U-shaped frame 13, and a first driving device for driving the bidirectional screw 31 to rotate is disposed on the left side of the top of the U-shaped frame 13, the first driving device is composed of a motor and a reducer, the top and the bottom of the outer wall of the bidirectional screw 31 are movably sleeved with bearing plates 32, the bidirectional screw 31 rotates to enable the two groups of bearing plates 32 to approach or separate from each other, one end of each bearing plate 32 is slidably connected with the inner wall of the left side of the U-shaped frame 13, and the other ends of the top and the bottom bearing plates 32 are movably sleeved on the outer walls of the hollow columns 24 at the top and the bottom through bearings respectively;

referring to fig. 3-4, the left ends of the opposite sides of the two bearing plates 32 are movably sleeved with a follow-up threaded sleeve 33 through a bearing, when the butting column 37 is separated from the insertion holes, when the bidirectional screw 31 rotates, the follow-up threaded sleeve 33 rotates along with the bidirectional screw 31, so that the bearing plates 32 cannot move up and down, the follow-up threaded sleeve 33 is sleeved on the outer wall of the bidirectional screw 31 in a threaded manner, a fixing ring 34 is fixedly sleeved at one end of the outer wall of the follow-up threaded sleeve 33, a plurality of groups of insertion holes are formed in the circumferential outer wall of the fixing ring 34 in an annular array manner, a second driving device is fixed in the middle of the top bearing plate 32, the second driving device is composed of a motor and a speed reducer, the output end of the second driving device is in transmission connection with the outer wall of the top hollow column 24 through a gear set 25, and the gear set 25 is composed of two sets of gears meshed with each other, so that the roller body 11 can rotate;

referring to fig. 3-4, an L-shaped frame 38 is fixed on each of the two sets of supporting plates 32 on the opposite side, the L-shaped frame 38 is located between the fixing ring 34 and the second driving device, the other end of the elastic expansion rod 27 is fixed to the L-shaped frame 38, a docking post 37 matched with the jack penetrates through the L-shaped frame 38 in a left-right movable manner, the docking post 37 is inserted into the jack, so that the bidirectional screw 31 rotates to drive the supporting plates 32 to move up and down, the right end of the docking post 37 is movably abutted to the bottom of the left side of the driving block 26, the docking post 37 is movably abutted to the inner wall of the driving block 26 by a ball, a return spring 35 is sleeved on the outer wall of the docking post 37, one end of the return spring 35 is fixed to the L-shaped frame 38, and the other end of the return spring is fixed to the outer wall of the docking post 37;

referring to fig. 3-4, the outer wall of the bidirectional screw 31 is fixedly sleeved with a follower gear 39 at a position corresponding to the driving gear ring 28, one opposite side of each of the two sets of bearing plates 32 is rotatably provided with a transmission gear 36 through a rotating shaft, the transmission gear 36 is located between the follower gear 39 and the driving gear ring 28, the shaft neck 12 enters the protective outer cylinder 21 to enable the fixing block to contact the inner wall of the protective outer cylinder 21, so that the transmission gear 36 is located between the follower gear 39 and the driving gear ring 28, and the butt post 37 is disengaged from the insertion hole, the bearing plates 32 cannot move when the bidirectional screw 31 rotates, and the transmission gear 36 and the follower gear 39 are matched to enable the driving gear ring 28 to rotate.

The rest of the structure was the same as in example 2

Compared with the embodiment 1, in the embodiment 2, the two groups of bearing plates 32 are close to each other through the rotation of the bidirectional screw 31, so that the shaft neck 12 of the roller body 11 enters the protective inner cylinder 22 and then enters the protective outer cylinder 21, until the shaft neck 12 pushes the fixing block to enable the driving block 26 to move outwards, the arc-shaped convex part is separated from the butting column 37, the butting column 37 is separated from the jack, and when the bidirectional screw 31 continues to rotate, the transmission gear 36, the follower gear 39 and the driving toothed ring 28 are meshed, and the transmission gear 36 and the follower gear 39 are matched to enable the driving toothed ring 28 to rotate.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.