CN210475360U

CN210475360U - Horizontal ring rolling mill

Info

Publication number: CN210475360U
Application number: CN201921019704.8U
Authority: CN
Inventors: 张良茅
Original assignee: Zhejiang Huagong Forging Co Ltd
Current assignee: Zhejiang Huagong Forging Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-05-08
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a horizontal ring rolling mill, relating to the technical field of forging processing devices; the hydraulic motor is characterized in that the cone pulley comprises a rotating shaft, a connecting column and a cone cap, the rotating shaft, the connecting column and the cone cap are coaxial, one end of the connecting column is fixedly connected with the rotating shaft, the other end of the connecting column extends into the bottom surface of the cone cap and is fixedly connected with the top point of the cone cap, a heat dissipation seam is formed between the cone cap and the rotating shaft, and a heat dissipation groove is formed between the cone cap and the connecting column. The utility model provides a horizontal ring rolls is equipped with the radiating groove on the cone pulley, and heat radiating area is big, and cooling performance is good.

Description

Horizontal ring rolling mill

Technical Field

The utility model belongs to the technical field of the forging processingequipment, in particular to horizontal ring rolls.

Background

The existing ring rolling mill has poor cooling performance.

Chinese patent grant publication No. CN202316874U, the patent name "a large horizontal ring rolling mill"; a rolling roller, a core roller and a conical roller are arranged on the central axis of a bed body from left to right, a pair of holding rollers are symmetrically distributed on two sides of the rolling roller, and each holding roller is provided with a pressure sensor. And a laser measuring device is also arranged on the central axis of the lathe body and is positioned on the right side of the conical roller. The core roller is of an upward-pulling type, and the core roller is of a short type. A hydraulic cylinder is arranged above the core roller and used for pulling up the core roller. Supporting rollers are distributed on two sides of the core roller, and the supporting rollers are symmetrical relative to the central axis of the lathe bed. The conical rollers are symmetrically distributed up and down, the distance between the upper roller and the lower roller can be adjusted, and the whole conical roller can freely move along the central axis of the machine body. The rolling roller can move along the central axis of the bed body to adjust the distance between the rolling roller and the core roller. The upper surface of the lower roller of the conical roller and the surface of the carrier roller are on the same horizontal plane. The invention has convenient feeding, but poor temperature reduction performance.

Disclosure of Invention

The utility model aims at overcoming the shortcoming that prior art cooling performance is poor, providing a horizontal ring rolls, being equipped with the radiating groove on the cone pulley, heat radiating area is big, and cooling performance is good.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a horizontal ring rolling machine, includes cone pulley, drive wheel, mould, tray, is used for making drive wheel pivoted hydraulic motor, its characterized in that, the cone pulley includes pivot, spliced pole, awl cap, pivot, spliced pole, awl cap are coaxial, spliced pole one end and pivot rigid coupling, the spliced pole other end stretches into the summit rigid coupling with the awl cap from the awl cap bottom surface, form the heat dissipation seam between awl cap and the pivot, form the radiating groove between awl cap and the spliced pole. The tray is used for placing the forging, and the drive wheel is used for rotating the forging, and the radiating groove heat radiating area is big, increases the cooling performance.

Preferably, a cooling device for cooling the conical pulley is arranged near the conical pulley. Further improving the cooling performance.

As preferred, cooling device includes the cooling tube, divides pipe, valve block, spacing lug, cooling tube one end gets into in the radiating groove, be connected with on the pipe shaft of cooling tube and divide the pipe, be equipped with the valve block with the cooling tube adaptation in the cooling tube, the valve block is located and divides the pipe to correspond the position, the valve block is close to and divides pipe one side to articulate on the pipe wall of cooling tube, spacing lug is located one side that the radiating groove was kept away from to the valve block and supports and lean on the valve block, spacing lug rigid coupling is on the pipe wall of cooling tube, rotates towards the radiating groove direction when the valve block, and the valve block is stopped up the mouth of pipe of dividing. The valve block is used for blocking the cooling pipe or the branch pipe, when the valve block blocks the cooling pipe, the heat dissipation groove is internally ventilated, and when the valve block blocks the branch pipe, water flows into the heat dissipation groove.

Preferably, a limiting shaft is arranged above the tray, and an oil cylinder used for lifting the limiting shaft is connected to the limiting shaft. Insert spacing axle in the forging, prevent that the forging from falling down from the tray, prevent danger.

Preferably, one side of the tray, which is close to the limiting shaft, is provided with a jack. When the limiting shaft descends, the end part enters the jack, and the stability of the limiting shaft is improved.

Preferably, the number of the cone pulleys is two, the cone pulleys are arranged up and down, and the height of the upper edge of the lower cone pulley is 3-4cm higher than that of the tray. When the ring is ground, the forged piece is clamped by the cone pulley and finally clamped, and the forged piece is separated from the tray, so that friction between the forged piece and the tray is prevented.

Preferably, the cooling device may further be: the cooling device is a cold water pipe, and one end of the cold water pipe enters the heat dissipation groove. Cold water is introduced into the heat dissipation groove, so that the cooling performance is improved.

The utility model has the advantages that: the utility model provides a horizontal ring rolls is equipped with the radiating groove on the cone pulley, and heat radiating area is big, and cooling performance is good.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of a forging placed on a pallet;

FIG. 5 is a schematic view of ring rolling;

FIG. 6 is a schematic view of a cooling apparatus of embodiment 1;

FIG. 7 is an enlarged view of FIG. 6 at B;

FIG. 8 is a schematic view of the valve plate during air supply;

fig. 9 is a schematic view of the valve plate during water supply.

In the figure: the device comprises a cone pulley 1, a driving wheel 2, a mold 3, a tray 4, a rotating shaft 6, a connecting column 7, a cone cap 8, a heat dissipation seam 9, a heat dissipation groove 10, a limiting shaft 11, a cooling pipe 12, a branch pipe 13, a valve plate 15, a limiting bump 16 and a forging 17.

Detailed Description

The invention will be further explained in detail with reference to the drawings and the following detailed description:

example 1:

fig. 1 to 9 show a horizontal ring rolling mill, comprising two conical wheels 1, a driving wheel 2, two molds 3, a tray 4 and a hydraulic motor for rotating the driving wheel 2, wherein the tray 4 is positioned between the molds 3 and the driving wheel 2, the conical wheels 1 are arranged up and down, and the height of the upper edge of the lower conical wheel 1 is 3-4cm higher than that of the tray 4; the cone pulley 1 comprises a rotating shaft 6, a connecting column 7 and a cone cap 8, the rotating shaft 6, the connecting column 7 and the cone cap 8 are coaxial, one end of the connecting column 7 is fixedly connected with the rotating shaft 6, the other end of the connecting column 7 extends into the bottom surface of the cone cap 8 and is fixedly connected with the top point of the cone cap 8, a heat dissipation seam 9 is formed between the cone cap 8 and the rotating shaft 6, and a heat dissipation groove 10 is formed between the cone cap 8 and the connecting column 7; a cooling device for cooling the conical pulley 1 is arranged near the conical pulley 1; the cooling device comprises a cooling pipe 12, branch pipes 13, valve plates 15 and limiting lugs 16, one end of the cooling pipe 12 enters the radiating groove 10, the branch pipes 13 are connected to the pipe body of the cooling pipe 12, the valve plates 15 matched with the cooling pipe 12 are arranged in the cooling pipe 12, the valve plates 15 are located at the positions corresponding to the branch pipes 13, one side, close to the branch pipes 13, of each valve plate 15 is hinged to the pipe wall of the cooling pipe 12, the limiting lugs 16 are located on one side, far away from the radiating groove 10, of each valve plate 15 and abut against the valve plates 15, the limiting lugs 16 are fixedly connected to the pipe wall of the cooling pipe 12, and when the valve plates 15 rotate towards the radiating groove 10, the valve plates 15 block the pipe openings of the branch pipes 13; a limiting shaft 11 is arranged above the tray 4, and an oil cylinder for lifting the limiting shaft 11 is connected to the limiting shaft 11; one side of the tray 4 close to the limiting shaft 11 is provided with a jack.

The use process of the embodiment is as follows: the forge pieces such as the valve cover are of an annular structure, the forge piece 17 is placed on the tray 4, at the moment, the lower conical cap 8 abuts against the lower edge of the forge piece, the oil cylinder operates, the limiting shaft 11 descends, the limiting shaft 11 is inserted into the forge piece, the die 3 is connected with a second oil cylinder, the driving wheel 2 is connected with a third oil cylinder, then the second oil cylinder and the third oil cylinder operate, the die 3 moves towards the forge piece direction, the driving wheel 2 moves towards the forge piece direction, the die 3 abuts against the forge piece 17, the driving wheel 2 abuts against the forge piece 17, the two conical wheels 1 are connected onto a sliding plate, the lower conical wheel 1 is fixedly connected with the sliding plate, the upper conical wheel 1 is connected with the sliding plate in a sliding mode, the upper conical wheel 1 descends, then the hydraulic motor operates to start ring; the cooling pipe 12 is connected with a water pipe, the branch pipe 13 is connected with an air pipe, when the ring is ground, the water pipe is closed, the air pipe conveys air, the air presses the valve plate 15 on the limiting lug 16, the valve plate 15 blocks the cooling pipe 12, the air enters the heat dissipation seam 9 to cool the conical cap 8, after the ring is ground, the water pipe is opened, the water flow presses the valve plate 15 on the pipe orifice of the branch pipe 13, the air flow cannot enter the cooling pipe 12, and the water flow finally enters the conical cap 8 to cool the conical cap 8; it should be noted that, because when grinding the ring, cone pulley 1 is rotatory, if carry out the cooling with water, water can be got rid of under the centrifugal force effect, and the temperature degree is very high, scalds the people easily.

Example 2:

this embodiment is substantially the same as embodiment 1 except that the cooling device is a cold water pipe, and one end of the cold water pipe enters the heat sink 10.

The use process of the embodiment is as follows: when the ring is rolled, the cold water pipe does not convey water, and the heat dissipation groove 10 has large heat dissipation area and good heat dissipation; and after ring rolling is finished, the cold water pipe conveys water to cool the cone pulley 1.

Claims

1. The utility model provides a horizontal ring rolling machine, includes cone pulley, drive wheel, mould, tray, is used for making drive wheel pivoted hydraulic motor, its characterized in that, the cone pulley includes pivot, spliced pole, awl cap, pivot, spliced pole, awl cap are coaxial, spliced pole one end and pivot rigid coupling, the spliced pole other end stretches into the summit rigid coupling with the awl cap from the awl cap bottom surface, form the heat dissipation seam between awl cap and the pivot, form the radiating groove between awl cap and the spliced pole.

2. The horizontal ring rolling mill according to claim 1, wherein a cooling device for cooling the cone pulley is provided near the cone pulley.

3. The horizontal ring mill according to claim 2, wherein the cooling device is a cold water pipe, and one end of the cold water pipe enters the heat dissipation groove.

4. The horizontal ring rolling mill according to claim 2, wherein the cooling device comprises a cooling pipe, a branch pipe, a valve block and a limiting bump, one end of the cooling pipe enters the heat dissipation groove, the pipe body of the cooling pipe is connected with the branch pipe, the valve block matched with the cooling pipe is arranged in the cooling pipe, the valve block is located at a position corresponding to the branch pipe, one side, close to the branch pipe, of the valve block is hinged to the pipe wall of the cooling pipe, the limiting bump is located at one side, far away from the heat dissipation groove, of the valve block and abuts against the valve block, the limiting bump is fixedly connected to the pipe wall of the cooling pipe, and when the valve block rotates towards the heat dissipation groove, the valve block blocks up the pipe orifice of the branch pipe.

5. The horizontal ring rolling mill according to claim 1, wherein a limiting shaft is arranged above the tray, and an oil cylinder for lifting the limiting shaft is connected to the limiting shaft.

6. The horizontal ring rolling mill according to claim 5, wherein the tray is provided with a jack at one side close to the limiting shaft.

7. A horizontal ring mill according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that the number of cone wheels is two, the cone wheels are arranged one above the other, and the upper edge of the lower cone wheel is located 3-4cm higher than the tray.