CN209502550U - A kind of high intensity roll-bending cylinder - Google Patents

A kind of high intensity roll-bending cylinder Download PDF

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Publication number
CN209502550U
CN209502550U CN201920195544.6U CN201920195544U CN209502550U CN 209502550 U CN209502550 U CN 209502550U CN 201920195544 U CN201920195544 U CN 201920195544U CN 209502550 U CN209502550 U CN 209502550U
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CN
China
Prior art keywords
piston rod
cylinder body
sealing ring
guide sleeve
capping
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Active
Application number
CN201920195544.6U
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Chinese (zh)
Inventor
霍鹏
刘春阳
刘君堂
沈毅
蔡军正
李洪争
孙翔
丁佳敏
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Hebei Zhongzhong Cold Rolling Material Co Ltd
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Cangzhou China Railway Equipment Manufacturing Materials Co Ltd
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Priority to CN201920195544.6U priority Critical patent/CN209502550U/en
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Abstract

A kind of high-intensitive roll-bending cylinder disclosed by the utility model, it includes cylinder body, capping and piston rod, capping is fixed on the right side of cylinder body, the centre of capping is provided with through-hole, guide sleeve is installed in through-hole, the first sealing ring is provided between guide sleeve and cylinder body, piston rod is slidably arranged in cylinder body, and the right side of cylinder body passes through guide sleeve and extends to outside, dustband and the second sealing ring are provided between piston rod and guide sleeve, the right end of piston rod is provided with ball ring, ball ring is integrally formed structures with piston rod, wearing layer is provided on the right side spherical surface of ball ring.Ball ring and piston rod setting are integrally formed structures by the utility model, can be formed using the direct turnery processing of lathe, thus be greatly improved the integral strength of piston rod, it is entirely avoided the risk that ball ring falls off;It is provided with wearing layer on the right side spherical surface of ball ring, the wearability of ball ring is greatly improved, extends service life, avoids the frequent shutdown bring underproduction.

Description

A kind of high intensity roll-bending cylinder
Technical field
The utility model relates to mill roll bending engineering device technique field more particularly to a kind of high-intensitive roll-bending cylinders.
Background technique
Roll-bending cylinder is one of important composition component of mill roll bending device, is used to provide continuous and effective for rolling mill roll The structure of bending roller force, existing roll-bending cylinder is as shown in Figs. 1-2 comprising cylinder body 1-1, capping 1-2 and piston rod 1-3, wherein sealing Lid 1-2 is fixed on the right side of cylinder body 1-1 by screw 1-4, and the centre for covering 1-2 is provided with through-hole, guiding is equipped in through-hole 1-5 is covered, the first sealing ring 1-6 is provided between guide sleeve 1-5 and cylinder body 1-1, piston rod 1-3 is slidably arranged in cylinder body 1-1, And the right side of cylinder body 1-1 passes through guide sleeve 1-5 and extends to outside, is provided with dustband between piston rod 1-3 and guide sleeve 1-5 1-7 and the second sealing ring 1-8 is passed through by the first pouring orifice 1-9 and the second pouring orifice 1-10 hydraulic respectively at work Oil, the control of Lai Shixian piston rod 1-3 movement, and then realize the adjustment of roller.
In such a configuration, leaking in order to avoid hydraulic oil, is provided with the first sealing ring 1-6, but long-term work During work, leakproofness is easily reduced, and needs frequently to carry out very much inspection, and there is hidden danger, in addition, in order to improve piston rod The wearability of the end 1-3 offers mounting groove 1-11 in the end of piston rod 1-3, ball ring 1- is provided in mounting groove 1-11 12, ball ring 1-12 is fixed by the structure of screw, gland 1-13, however since live use environment is severe, often send out Raw screw fracture of wire phenomenon, causes gland 1-13, ball ring 1-12 to fall off, there is very big security risks.
Utility model content
The purpose of this utility model is that a kind of high-intensitive roll-bending cylinder is provided in place of avoiding the deficiencies in the prior art, thus Effectively solve the shortcomings of the prior art.
To achieve the above object, a kind of technical solution that the utility model is taken are as follows: high intensity roll-bending cylinder comprising cylinder Body, capping and piston rod, described to cover the right side for being fixed on cylinder body, the centre of capping is provided with through-hole, is equipped with and leads in through-hole The first sealing ring is provided with to set, between guide sleeve and cylinder body, piston rod is slidably arranged in cylinder body, and is worn on the right side of cylinder body It crosses guide sleeve and extends to outside, dustband and the second sealing ring, the right side of the piston rod are provided between piston rod and guide sleeve End is provided with ball ring, and the ball ring is integrally formed structures with piston rod, is arranged on the right side spherical surface of the ball ring There is wearing layer;
Third sealing ring is provided between the capping and guide sleeve;
It is provided with the 4th sealing ring between the cylinder body and capping, the 4th sealing ring is cooperated to be provided in the capping Ring shaped movable slot, is provided with compressed spring between ring shaped movable slot and the 4th sealing ring, the compressed spring is circumferentially uniform It is provided with multiple.
Further, the wearing layer is high-chromium alloy layer.
Further, backing plate is provided between the 4th sealing ring and compressed spring.
The above-mentioned technical proposal of the utility model has the advantages that the utility model sets ball ring and piston rod Set as one molding structure, can be formed using the direct turnery processing of lathe, thus greatly improve the whole of piston rod Body intensity, it is entirely avoided the risk that ball ring falls off;It is provided with wearing layer on the right side spherical surface of ball ring, is greatly improved The wearability of ball ring, extends service life, avoids the frequent shutdown bring underproduction;It is additionally arranged on the basis of the original Three sealing rings and the 4th sealing ring, cooperatively form dual guarantee with the first sealing ring respectively, hydraulic oil greatly reduce The risk to leak makes the 4th sealing ring closely stick on cylinder body 1 always wherein elastic compensating may be implemented in the 4th sealing ring On.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of roll-bending cylinder in the prior art;
Fig. 2 is the partial enlarged view in Fig. 1 at A;
Fig. 3 is the utility model embodiment structural schematic diagram;
Fig. 4 is the partial enlarged view in Fig. 3 at B;
Fig. 5 is the partial enlarged view in Fig. 4 at C.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment For illustrating the utility model, but cannot be used to limit the scope of the utility model.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more;Term The orientation of the instructions such as "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.In the description of the present invention, it should be noted that unless otherwise specific regulation And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, intermediary can also be passed through It is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition Concrete meaning.
As in Figure 3-5, a kind of high intensity roll-bending cylinder described in the present embodiment comprising cylinder body 1, capping 2 and piston rod 3, capping 2 is fixed by screws in the right side of cylinder body 1, and the centre for covering 2 is provided with through-hole, guide sleeve 4 is equipped in through-hole, is led It is provided with the first sealing ring 5 between set 4 and cylinder body 1, piston rod 3 is slidably arranged in cylinder body 1, and the right side of cylinder body 1 is worn It crosses guide sleeve 4 and extends to outside, dustband 6 and the second sealing ring 7 are provided between piston rod 3 and guide sleeve 4, piston rod 3 Right end is provided with ball ring 8.
The improvement of the application is:
Ball ring 8 and the setting of piston rod 3 are integrally formed structures, can be formed using the direct turnery processing of lathe, Thus greatly improve the integral strength of piston rod 3, it is entirely avoided the risk that ball ring 8 falls off, the right side of ball ring 8 Wearing layer 9 is provided on spherical surface, in the present embodiment, wearing layer 9 is that high-chromium alloy layer is greatly mentioned by the way that wearing layer 9 is arranged The high wearability of ball ring 8, extends service life, avoids the frequent shutdown bring underproduction.
In order to further increase the leakproofness of cylinder body 1, third sealing ring 10, cylinder are provided between capping 2 and guide sleeve 4 It is provided with the 4th sealing ring 11 between body 1 and capping 2, dual guarantee is cooperatively formed with the first sealing ring 5 respectively, greatly drops The risk that low hydraulic oil leaks.
In addition, the 4th sealing ring 11 of cooperation is provided with ring shaped movable slot 12, ring shaped movable slot 12 and the 4th sealing in capping 2 Compressed spring 13 is provided between circle 11, compressed spring 13 is circumferentially evenly provided with multiple, the 4th sealing ring 11 and compression Backing plate 14 is provided between spring 13, backing plate 14 is the ring structure for cooperating the setting of the 4th sealing ring 11, to the 4th sealing ring 11 play the role of support, by the way that compressed spring 13 is arranged, elastic compensating may be implemented, make the 4th sealing ring 11 close always Stick on cylinder body 1.
The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustively or to incite somebody to action The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art See.Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes this field Those of ordinary skill it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.

Claims (3)

1. a kind of high intensity roll-bending cylinder comprising cylinder body, capping and piston rod, it is described to cover the right side for being fixed on cylinder body, capping Centre be provided with through-hole, guide sleeve is installed in through-hole, is provided with the first sealing ring between guide sleeve and cylinder body, piston rod is sliding It is dynamic to be arranged in cylinder body, and the right side of cylinder body passes through guide sleeve and extends to outside, is provided between piston rod and guide sleeve anti- Konisphere and the second sealing ring, the right end of the piston rod are provided with ball ring, it is characterised in that: the ball ring is with piston rod Integrally formed structure is provided with wearing layer on the right side spherical surface of the ball ring;
Third sealing ring is provided between the capping and guide sleeve;
It is provided with the 4th sealing ring between the cylinder body and capping, the 4th sealing ring is cooperated to be provided with annular in the capping Loose slot, is provided with compressed spring between ring shaped movable slot and the 4th sealing ring, the compressed spring is circumferentially uniformly arranged Have multiple.
2. a kind of high-intensitive roll-bending cylinder according to claim 1, it is characterised in that: the wearing layer is high-chromium alloy layer.
3. a kind of high-intensitive roll-bending cylinder according to claim 1, it is characterised in that: the 4th sealing ring and compressed spring Between be provided with backing plate.
CN201920195544.6U 2019-02-14 2019-02-14 A kind of high intensity roll-bending cylinder Active CN209502550U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920195544.6U CN209502550U (en) 2019-02-14 2019-02-14 A kind of high intensity roll-bending cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920195544.6U CN209502550U (en) 2019-02-14 2019-02-14 A kind of high intensity roll-bending cylinder

Publications (1)

Publication Number Publication Date
CN209502550U true CN209502550U (en) 2019-10-18

Family

ID=68204112

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920195544.6U Active CN209502550U (en) 2019-02-14 2019-02-14 A kind of high intensity roll-bending cylinder

Country Status (1)

Country Link
CN (1) CN209502550U (en)

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GR01 Patent grant
GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20211115

Address after: 061113 China railway office building, Bohai New District, Cangzhou City, Hebei Province

Patentee after: Hebei Zhongzhong cold rolling material Co., Ltd

Address before: 061100 Industrial Zone, Huanghua Port Development Zone, Cangzhou City, Hebei Province

Patentee before: Cangzhou China railway equipment manufacturing material Co., Ltd