CN206425341U - A kind of screwdown gear of rolling mill - Google Patents

Abstract

The utility model discloses a kind of screwdown gear of rolling mill, including frame, hold-down devices and roll, high steel spring is installed inside the frame both sides, it is connected with each other above the hold-down devices by down-pressed pole and piston, the hold-down devices bottom is provided with lower compression roller, and its top is connected with each other by heat-insulated gooseneck and radiating tube and liquid reserve tank, bearing cap is connected with the left of the roll, and its both sides is connected with each other by bearing and high steel spring.The screwdown gear of the rolling mill, by the hold-down devices that semicircular structure is provided with above roll, such roll is so enabled to start to move downward in the presence of single lower pressure, improve the job stability of device, turbine liquid pump is provided with above final unit, the circulation of cooling water can be so internally formed in device, it is to avoid high temperature causes to damage to equipment, the hot water in liquid reserve tank can carry out export radiating and utilization simultaneously, add the service efficiency of equipment.

Description

A kind of screwdown gear of rolling mill

Technical field

The utility model is related to rolling mill technical field, specially a kind of screwdown gear of rolling mill.

Background technology

Rolling mill is the equipment for realizing metal rolled process, and the Zhuan Bei ﹐ for referring to completion stocking production overall process include master Equipment, auxiliary equipment, handling equipment and auxiliary device etc. are wanted, but general described milling train often only refers to capital equipment.

The structure of the screwdown gear of existing rolling mill and technology relative maturity, but staff is using for a long time During be still found that some problems, such as old-fashioned device goes to depress roll using two lower pressure, so easy There is both sides discontinuity, job security is low, while old-fashioned device does not have roll and hydraulic means effectively to be cooled, So it is easily caused relevant device to go wrong, so carrying out the innovative design of the screwdown gear of rolling mill herein.

Utility model content

The purpose of this utility model is to provide a kind of screwdown gear of rolling mill, to solve to propose in above-mentioned background technology Easily there is the problem of unbalance stress is uniform not to cool to roll and hydraulic means.

To achieve the above object, the utility model provides following technical scheme:A kind of screwdown gear of rolling mill, including machine High steel spring is installed inside frame, hold-down devices and roll, the frame both sides, and its top is provided with turbine liquid pump, it is described It is provided with above radiator fan, the hold-down devices and is connected with each other by down-pressed pole and piston on the outside of turbine liquid pump, the piston Outside is provided with heat shield, and heat shield is internally provided with the outside of radiating tube, the piston and is provided with temperature sensor, and it is right Side is provided with liquid reserve tank, and the hold-down devices bottom is provided with lower compression roller, and its top by heat-insulated gooseneck and radiating tube and Liquid reserve tank is connected with each other, and described lower compression roller both sides of crossing are connected with connector, and it is internally provided with radiating water route, and the roll is left Side is connected with bearing cap, and its both sides is connected with each other by bearing and high steel spring.

It is preferred that, the cooling water moving line that the turbine liquid pump is provided is that radiating tube flows through dissipating inside lower compression roller Hot water road, is finally flowed into liquid reserve tank.

It is preferred that, the junction of the down-pressed pole and hold-down devices is located at hold-down devices top center, and it is with pushing The connected mode of device is fastenedly connected for bolt.

It is preferred that, the hold-down devices and roll for can integrally-lifting structure, and its range is 0-15cm.

It is preferred that, the lower compression roller semicircular in shape inside the hold-down devices is distributed, and it contacts with each other with roll.

Compared with prior art, the beneficial effects of the utility model are：The screwdown gear of the rolling mill, with reference to now universal The screwdown gear used carries out innovative design, innovative design is carried out on the basis of original operation principle, by above roll The hold-down devices of semicircular structure are installed, and hold-down devices are attached with single down-pressed pole, so that are so rolled Roller can start to move downward in the presence of single lower pressure, and active force is located at hold-down devices upper center point, so So that roll can be improved by uniform lower pressure and be provided with whirlpool above the job stability of device, final unit everywhere Liquid pump is taken turns, the circulation of cooling water can be so internally formed in device, it is complete by the radiating water route inside radiating tube and lower compression roller Paired piston and roll cool, it is to avoid high temperature causes to damage to equipment, and the hot water after absorbing heat can enter storage In liquid case, while the hot water in liquid reserve tank can carry out export radiating and utilization, the service efficiency of equipment is added.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is the utility model structure hold-down devices side schematic view；

Fig. 3 is the utility model structure lower compression roller schematic diagram.

In figure：1st, bearing cap, 2, frame, 3, high steel spring, 4, turbine liquid pump, 5, radiator fan, 6, piston, 7, heat-insulated Cover, 8, radiating tube, 9, temperature sensor, 10, down-pressed pole, 11, liquid reserve tank, 12, hold-down devices, 13, lower compression roller, 14, roll, 15th, heat-insulated gooseneck, 16, bearing, 17, connector, 18, radiating water route.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of screwdown gear of rolling mill, including bearing Lid 1, frame 2, high steel spring 3, turbine liquid pump 4, radiator fan 5, piston 6, heat shield 7, radiating tube 8, temperature sensor 9, under Depression bar 10, liquid reserve tank 11, hold-down devices 12, lower compression roller 13, roll 14, heat-insulated gooseneck 15, bearing 16, connector 17 and radiating High steel spring 3 is installed inside water route 18, the both sides of frame 2, and its top is provided with turbine liquid pump 4, what turbine liquid pump 4 was provided Cooling water moving line is that radiating tube 8 flows through the radiating water route 18 inside lower compression roller 13, is finally flowed into liquid reserve tank 11, just Reused in hot water, the outside of turbine liquid pump 4 is provided with radiator fan 5, the top of hold-down devices 12 passes through down-pressed pole 10 It is connected with each other with piston 6, down-pressed pole 10 and the junction of hold-down devices 12 are located at the top center of hold-down devices 12, and it is with The connected mode of pressure device 12 is fastenedly connected for bolt, is easy to lower pressure uniformly to act on roll 14, hold-down devices 12 with Roll 14 for can integrally-lifting structure, and its range be 0-15cm, be easy to raw material carry out different-thickness rolling, under The semicircular in shape of lower compression roller 13 inside pressure device 12 is distributed, and it contacts with each other with roll 14 so that entirely push process more Plus stably, the outside of piston 6 is provided with heat shield 7, and heat shield 7 is internally provided with radiating tube 8, and the outside of piston 6 is provided with temperature Sensor 9, and its right side is provided with liquid reserve tank 11, the bottom of hold-down devices 12 is provided with lower compression roller 13, and its top is by heat-insulated Gooseneck 15 is connected with each other with radiating tube 8 and liquid reserve tank 11, and the described both sides of lower compression roller 13 of crossing are connected with connector 17, and inside it Radiating water route 18 is provided with, the left side of roll 14 is connected with bearing cap 1, and its both sides is mutually interconnected by bearing 16 with high steel spring 3 Connect.

Operation principle：, it is necessary to which the structure to whole screwdown gear carries out letter before the screwdown gear using the rolling mill Single understanding, on the basis of prototype structure, relevant device is installed to dress by the working procedure used first without too big change Put, and water inlet pipe and drainpipe be attached with turbine liquid pump 4 and liquid reserve tank 11 respectively, at the same also by piston 6 with it is external Hydraulic system be attached, when beginning to use, piston 6 promotes down-pressed pole 10 to move downward in the presence of hydraulic coupling, makes Pressure must be descended to start uniformly to act in hold-down devices 12, the connection of lower compression roller 13 and both sides inside such hold-down devices 12 Device starts to promote roll 14 to roll raw material, and such mode that pushes can provide a stable work for whole device Make state, and while work, the cooling water that turbine liquid pump 4 can extract the external world is injected into radiating tube 8, is started to piston 6 are cooled, it is to avoid the hydraulic oil inside piston 6 produces expansion because temperature is too high, influences machining accuracy, and after absorbing heat Cooling water can be entered in the radiating water route 18 inside lower compression roller 13, complete the cooling to roll 14 so that roll 14 can be located In the operating temperature of an installation, last hot water can be entered in liquid reserve tank 11, and the hot water in such liquid reserve tank 11 can be by Discharge used or radiated, so far for whole rolling mill screwdown gear the course of work.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered Row equivalent substitution, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc. all should Within protection domain of the present utility model.

Claims (5)

1. a kind of screwdown gear of rolling mill, including frame（2）, hold-down devices（12）And roll（14）, it is characterised in that：It is described Frame（2）High steel spring is installed inside both sides（3）, and its top is provided with turbine liquid pump（4）, the turbine liquid pump（4）Outside Side is provided with radiator fan（5）, the hold-down devices（12）Top passes through down-pressed pole（10）With piston（6）It is connected with each other, it is described Piston（6）Outside is provided with heat shield（7）, and heat shield（7）It is internally provided with radiating tube（8）, the piston（6）Outside is set There is temperature sensor（9）, and its right side is provided with liquid reserve tank（11）, the hold-down devices（12）Bottom is provided with lower compression roller （13）, and its top passes through heat-insulated gooseneck（15）With radiating tube（8）And liquid reserve tank（11）It is connected with each other, it is described to cross lower compression roller （13）Both sides are connected with connector（17）, and it is internally provided with radiating water route（18）, the roll（14）Left side is connected with axle Hold lid（1）, and its both sides passes through bearing（16）With high steel spring（3）It is connected with each other.

2. a kind of screwdown gear of rolling mill according to claim 1, it is characterised in that：The turbine liquid pump（4）Carried The cooling water moving line of confession is, radiating tube（8）Flow through lower compression roller（13）Internal radiating water route（18）, finally it is flowed into liquid storage Case（11）In.

3. a kind of screwdown gear of rolling mill according to claim 1, it is characterised in that：The down-pressed pole（10）With pushing Device（12）Junction be located at hold-down devices（12）Top center, and itself and hold-down devices（12）Connected mode be bolt It is fastenedly connected.

4. a kind of screwdown gear of rolling mill according to claim 1, it is characterised in that：The hold-down devices（12）With rolling Roller（14）For can integrally-lifting structure, and its range be 0-15cm.

5. a kind of screwdown gear of rolling mill according to claim 1, it is characterised in that：The hold-down devices（12）It is internal Lower compression roller（13）Semicircular in shape is distributed, and it is and roll（14）Contact with each other.