CN218656100U

CN218656100U - Horizontal roll system balancing device of universal mill

Info

Publication number: CN218656100U
Application number: CN202223194018.9U
Authority: CN
Inventors: 王国兴; 张元元; 刘继明
Original assignee: Handan Huixin Heavy Machinery Manufacturing Co ltd
Current assignee: Handan Huixin Heavy Machinery Manufacturing Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-03-21
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to an universal mill technical field discloses universal mill horizontal roll system balancing unit, including the hydro-cylinder seat, the equal activity through connection in outside both ends of hydro-cylinder seat has first gim peg, and one side surface movable mounting of hydro-cylinder seat has a supporting seat, the internal surface lower extreme position department of hydro-cylinder seat installs first bush, and the internal surface upper end position department of hydro-cylinder seat installs the second bush, the utility model discloses a be provided with balanced hydro-cylinder, balanced hydro-cylinder lets in hydraulic oil, and the piston rod rises, props bolster bearing housing and step, has eliminated the screw clearance of bearing frame with nut, nut and pull rod, plays the balance effect, and seal cover and seal receptacle can avoid cooling water and oxidized iron sheet to get into the inside of balanced hydro-cylinder, when changing balanced hydro-cylinder, only need pull down first gim peg and can take it wholly from universal mill down, need not disassemble the rolling mill, and it is convenient to change, has reduced maintainer's working strength.

Description

Horizontal roll system balancing device of universal mill

Technical Field

The utility model relates to a universal mill technical field specifically is universal mill horizontal roll is balancing unit.

Background

The universal rolling mill is a frame consisting of a pair of horizontal rolls and a pair of vertical rolls, the axes of the four rolls are in one plane, four sides of a rolled piece can be machined, the current universal rolling mill in China has a short stress type and a memorial archway type, and the short stress type universal rolling mill is most widely applied due to the advantages of short stress line, high rigidity, light equipment weight and the like;

the horizontal roller of short stress universal rolling mill is characterized by that it utilizes four pull rods to connect bearing seat, copper nut and supporting seat into one body, and under the influence of self-weight of roller, bearing seat and copper nut, between the bearing seat and copper nut and between the copper nut and screw threads of pull rod there are gaps, and the existence of these gaps can affect the accuracy of whole rolling mill, and can result in unqualified rolled piece size, so that all rolling mills have need of setting balance device to eliminate gap.

The balancing device of the existing universal rolling mill is characterized in that a plurality of pairs of disc springs are arranged on copper nuts in a bearing seat to form a balancing element, the opening degree of a rolling roller is constantly changed in the rolling process, the vibration of the rolling mill is large, the disc springs are frequently contracted to generate fatigue loss, the disc springs are caused to lose efficacy, the bounce amount is increased, the rolling precision is influenced, and the disc springs are in the bearing seat and are inconvenient to replace if the rolling mill needs to be disassembled for replacing the disc springs. Therefore, the person skilled in the art provides a balancing device for horizontal roll systems of universal rolling mills to solve the problems mentioned in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a universal mill horizontal roll is balancing unit to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

universal mill horizontal roll is balancing unit, including the hydro-cylinder seat, the equal activity through connection in outside both ends of hydro-cylinder seat has first gim peg, and a side surface movable mounting of hydro-cylinder seat has a supporting seat, the internal surface lower extreme position department of hydro-cylinder seat installs first bush, and the internal surface upper end position department of hydro-cylinder seat installs the second bush, the inside movable mounting of hydro-cylinder seat has balanced hydro-cylinder, bolster bearing housing is installed to balanced hydro-cylinder's top, and the lower bearing housing is installed to balanced hydro-cylinder's below.

As a further aspect of the present invention: the hydraulic oil cylinder is characterized in that a spherical gasket is movably mounted at the lower end of the balance oil cylinder, a sealing sleeve is mounted on the upper surface of the oil cylinder seat, a sealing seat is mounted at the upper end of the sealing sleeve, fixed blocks are mounted on the surfaces of the left side and the right side of the upper end of the sealing seat, and a second fixed bolt is movably connected inside the fixed blocks in a penetrating mode.

As a further aspect of the present invention: one end threaded connection of first gim peg is in the inside of supporting seat, first bush and second bush all are the component of nylon material, and first bush and second bush all install in the outside of balancing cylinder.

As a further aspect of the present invention: the spherical gasket is embedded in the lower bearing seat, and the sealing sleeve is a rubber component.

As a further aspect of the present invention: the upper end of the balance oil cylinder is attached to the upper bearing seat, and one end of the second fixing bolt is connected to the inside of the upper bearing seat in a threaded mode.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be provided with balanced hydro-cylinder, balanced hydro-cylinder lets in hydraulic oil, the piston rod rises, bolster bearing housing and step have been propped, bearing housing and nut, the threaded clearance of nut and pull rod has been eliminated, play the balancing act, seal cover and seal receptacle can avoid cooling water and iron oxide scale to get into balanced hydro-cylinder's inside, when changing balanced hydro-cylinder, only need pull down first gim peg and can take it wholly from omnipotent rolling mill down, need not disassemble the rolling mill, it is convenient to change, maintainer's working strength has been reduced.

Drawings

FIG. 1 is a schematic structural diagram of a horizontal roll system balancing device of a universal rolling mill;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a top view of an oil cylinder seat in the horizontal roll system balancing device of the universal rolling mill;

FIG. 4 is a schematic diagram of the actual installation of the horizontal roll system balancing device of the universal mill;

FIG. 5 is a top view of the horizontal roll system balancing device of the universal mill installed in practice.

In the figure: 1. a spherical spacer; 2. a balancing oil cylinder; 3. a first bushing; 4. a cylinder block; 5. a second bushing; 6. sealing sleeves; 7. a sealing seat; 8. an upper bearing seat; 9. a lower bearing seat; 10. a supporting base; 11. a universal mill; 12. a first securing latch; 13. a fixed block; 14. and a second fixing bolt.

Detailed Description

Referring to fig. 1 to 5, in the embodiment of the present invention, a horizontal roll system balancing device of a universal rolling mill includes a cylinder base 4, both ends of the exterior of the cylinder base 4 are movably connected with a first fixing bolt 12, one end of the first fixing bolt 12 is connected with the interior of a supporting seat 10 by a thread, one side surface of the cylinder base 4 is movably installed with the supporting seat 10, the lower end of the interior surface of the cylinder base 4 is installed with a first bushing 3, and the upper end of the interior surface of the cylinder base 4 is installed with a second bushing 5, the first bushing 3 and the second bushing 5 are both members made of nylon material, and the first bushing 3 and the second bushing 5 are both installed on the exterior of a balancing cylinder 2, the interior of the cylinder base 4 is movably installed with the balancing cylinder 2, the upper bearing seat 8 is installed above the balancing cylinder 2, the upper end of the balancing cylinder base 2 is attached to an upper bearing seat 8, the lower end of the balancing cylinder base 2 is installed with a lower bearing seat 9, the spherical gasket 1 is installed in the interior of the lower bearing seat 9 in an embedded manner, the lower end of the balancing cylinder base 2 is movably installed with a spherical gasket 6, the upper end of the sealing sleeve 6 is installed with a sealing seat 7, and the upper end of the sealing seat is connected with a second fixing block 13;

whole balancing unit passes through supporting seat 10 to be installed on universal mill 11, has the circular slot of embedding installation spherical gasket 1 on the step 9, has the piston cylinder in the balancing cylinder 2, and seal cover 6 and seal receptacle 7 can protect the flexible end of balancing cylinder 2, can prevent that cooling water and iron oxide scale from getting into the inside of balancing cylinder 2.

The utility model discloses a theory of operation is: firstly, the balancing device is installed, a worker can place the balancing oil cylinder 2 in the oil cylinder seat 4, place the spherical gasket 1 in a circular groove in the lower bearing seat 9, attach the oil cylinder seat 4 to the supporting seat 10 and enable the lower end of the balancing oil cylinder 2 to be attached to the spherical gasket 1, then screw the first fixing bolt 12 to enable the first fixing bolt to be screwed into the supporting seat 10, and finally screw the second fixing bolt 14 to enable the second fixing bolt to be screwed into the upper bearing seat 8, so that the installation of the balancing device is completed; when the balance device is used, the balance oil cylinder 2 is opened, a piston rod of the balance oil cylinder 2 is lifted, the upper bearing seat 8 and the lower bearing seat 9 are supported, threaded gaps between the two bearing seats and the nut and between the nut and the pull rod are eliminated, and a balance effect is achieved.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Universal mill horizontal roll is balancing unit, including hydro-cylinder seat (4), its characterized in that, the equal activity through connection in outside both ends of hydro-cylinder seat (4) has first gim peg (12), and one side surface movable mounting of hydro-cylinder seat (4) has supporting seat (10), the internal surface lower extreme position department of hydro-cylinder seat (4) installs first bush (3), and the internal surface upper end position department of hydro-cylinder seat (4) installs second bush (5), the inside movable mounting of hydro-cylinder seat (4) has balance hydro-cylinder (2), bolster bearing housing (8) are installed to the top of balance hydro-cylinder (2), and the below of balance hydro-cylinder (2) installs step (9).

2. The horizontal roll system balancing device of the universal mill according to claim 1, wherein the lower end of the balancing cylinder (2) is movably provided with a spherical gasket (1), the upper surface of the cylinder seat (4) is provided with a sealing sleeve (6), the upper end of the sealing sleeve (6) is provided with a sealing seat (7), the surfaces of the left side and the right side of the upper end of the sealing seat (7) are provided with fixing blocks (13), and the inner part of each fixing block (13) is movably connected with a second fixing bolt (14) in a penetrating manner.

3. The balance device of the universal rolling mill horizontal roll system according to claim 1, wherein one end of the first fixing bolt (12) is screwed inside the support base (10), the first bushing (3) and the second bushing (5) are both members made of nylon, and the first bushing (3) and the second bushing (5) are both mounted outside the balance cylinder (2).

4. Universal rolling mill horizontal roll system balancing device according to claim 2, characterized in that the spherical gasket (1) is embedded inside the lower chock (9) and the sealing sleeve (6) is a rubber component.

5. The horizontal roll system balancing device of the universal rolling mill as claimed in claim 2, characterized in that the upper end of the balancing cylinder (2) is attached to the upper bearing seat (8), and one end of the second fixing bolt (14) is screwed inside the upper bearing seat (8).