CN216397866U

CN216397866U - Mandrel assembly for rolling blank of ring rolling mill

Info

Publication number: CN216397866U
Application number: CN202122564661.5U
Authority: CN
Inventors: 王志国
Original assignee: Tianjin Special Steel Precise Forging Co ltd
Current assignee: Tianjin Special Steel Precise Forging Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-29
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a mandrel component for rolling blanks by a ring rolling mill, which comprises a mandrel body, wherein the mandrel body consists of a working section, a transition section and a positioning section which are integrally formed, the mandrel body is clamped in a lifting seat with an opening at one side, a bin body is arranged on the lifting seat, an air cylinder is arranged in the bin body, a piston rod of the air cylinder is connected with a sliding block through a connecting rod, the sliding block is connected with a clamping block through a pull rod, the other end of the lifting seat is fixed on a spiral seat, a screw rod is screwed in the spiral seat, and the top end of the screw rod is connected with a motor arranged on the lower side of a top plate. The mandrel clamping device is scientific and reasonable in structural design, the mandrel body is quickly loosened/clamped, the mandrel is simple and convenient to replace, the practicability of the device is effectively improved, the mandrel can be quickly adjusted to a preset position, the mandrel is quickly aligned to the center of a blank, the bottom of the mandrel is lowered to the lowest position, the time required by preparation work is shortened, and the next ring rolling process is conveniently carried out.

Description

Mandrel assembly for rolling blank of ring rolling mill

Technical Field

The utility model relates to the technical field of ring rolling equipment, in particular to a mandrel assembly for rolling a blank by a ring rolling machine.

Background

China has abundant offshore wind resources and higher development value. The offshore wind energy resource is a clean and continuous energy, the scale development of offshore wind power is promoted by the improvement of offshore wind power technology and the reduction of wind power development cost under the active support of policies of various countries, the offshore wind power can be developed and utilized more deeply and more extensively, particularly, high-power generation becomes a main project, and the required tonnage is gradually increased. The fan power generation part blank needs to be ground through the dabber and encircles the processing, and ordinary dabber grinds ring device structure complicacy, and the dabber can not the rapid clamping or loosen, and inconvenient carry out altitude mixture control to it, can't be applicable to different processing scenes. To this end, we propose a mandrel assembly for ring rolling mill rolling billets.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a mandrel assembly for ring rolling mill rolling stock solving the problems set out in the background art mentioned above.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a dabber subassembly for ring rolls rolling stock, includes the dabber body, the dabber body comprises integrated into one piece's working section, changeover portion and location section, dabber body card is established in one side open-ended lift seat, be provided with the storehouse body on the lift seat, the internal cylinder that is provided with in storehouse, the piston rod of cylinder passes through connecting rod joint block, the slider passes through the pull rod and connects and press from both sides tight piece, the lift seat other end is fixed on the spiral seat, the spiro union has the lead screw in the spiral seat, the lead screw top is connected with the motor of installing at the roof downside.

Preferably, the upper part of the mandrel body is provided with a clamping section with friction stripes on the surface.

Preferably, the clamping block is rotatably mounted on the top of the lifting seat through a positioning shaft.

Preferably, guide rods are symmetrically arranged on two sides of the screw rod, penetrate through the spiral seat, two ends of each guide rod are respectively connected with the top plate and the supporting seat, and the side faces of the top plate and the supporting seat are connected through the supporting plate.

Preferably, the support plate is installed on a bottom plate, and a rolling platform with a groove at the top is arranged on the upper side of the bottom plate.

Preferably, the supporting seat is movably connected with the bottom end of the screw rod through a bearing.

Compared with the prior art, the utility model has the beneficial effects that: this kind of a dabber subassembly for ring rolls rolling blank, structural design is simple reasonable, has stronger practicality, through setting up the cylinder, the connecting rod, the slider, the clamping mechanism that pull rod and clamp block isotructure are constituteed, under the drive of cylinder, it is tight to make dabber body loosen/press from both sides fast, it is simple and convenient to change the dabber, the practicality of device has effectively been improved, through setting up the lift process of motor drive lead screw in order to realize the spiral seat, thereby reach the altitude mixture control to lift seat overall structure, can adjust the dabber to predetermineeing the position fast, make dabber aim at blank center fast, the dabber bottom descends the extreme lower position, the required time of preparation work has been reduced, conveniently carry out ring process on next step, machining efficiency is improved.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the bin body of the utility model.

Fig. 3 is a schematic structural view of the mandrel body of the present invention.

In the figure: 1 mandrel body, 11 working sections, 12 transition sections, 13 positioning sections, 14 clamping sections, 2 lifting seats, 21 cabin bodies, 22 air cylinders, 23 connecting rods, 24 sliding blocks, 25 pull rods, 26 clamping blocks, 27 positioning shafts, 28 spiral seats, 29 screw rods, 3 motors, 31 guide rods, 32 top plates, 33 supporting plates, 34 bottom plates, 35 supporting seats and 36 rolling platforms.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a mandrel component for rolling blanks by a ring rolling mill comprises a mandrel body 1, wherein the mandrel body 1 consists of an integrally formed working section 11, a transition section 12 and a positioning section 13, a clamping section 14 with friction stripes arranged on the surface is arranged on the upper part of the mandrel body 1, the mandrel body 1 is clamped in a lifting seat 2 with an opening on one side, a bin body 21 is arranged on the lifting seat 2, an air cylinder 22 is arranged in the bin body 21, a piston rod of the air cylinder 22 is connected with a sliding block 24 through a connecting rod, the sliding block 24 is connected with a clamping block 26 through a pull rod 25, the clamping block 26 is rotatably arranged on the top of the lifting seat 2 through a positioning shaft 27, an arc-shaped clamping opening is arranged on one side of the clamping block 26, the clamping section 14 of the mandrel body 1 is fixed through the arc-shaped clamping opening, during specific work, the mandrel body 1 is placed in from the side opening of the lifting seat 2, and then the piston rod of the air cylinder 22 is controlled to extend out through an external switch, the cylinder 22 promotes slider 24 through connecting rod 23, and then promotes through the pull rod 25 of linkage with it and presss from both sides tight piece 26 with the dabber clamp tightly to accomplish the location process of dabber body 1, through setting up the clamping mechanism that cylinder 22, connecting rod 23, slider 24, pull rod 25 and clamp tight piece 26 isotructures constitute, under the drive of cylinder 22, make dabber body 1 unclamped/press from both sides tightly fast, it is simple and convenient to change the dabber, has effectively improved the practicality of device.

The other end of the lifting seat 2 is fixed on a spiral seat 28, a screw rod 29 is screwed in the spiral seat 28, the top end of the screw rod 29 is connected with a motor 3 arranged on the lower side of a top plate 32, guide rods 31 are symmetrically arranged on two sides of the screw rod 29, the guide rods 31 penetrate through the spiral seat 28, the spiral seat 28 vertically moves along the direction of the guide rods 31, two ends of the spiral seat 28 are respectively connected with the top plate 32 and a supporting seat 35, the side surfaces of the top plate 32 and the supporting seat 35 are connected through a supporting plate 33, the supporting seat 35 is movably connected with the bottom end of the screw rod 29 through a bearing, the supporting plate 33 is arranged on a bottom plate 34, a rolling platform 36 with a groove at the top is arranged on the upper side of the bottom plate 34, when the lifting seat works, a blank to be ground is placed on the rolling platform 36, then the motor 3 is started through a control switch, the motor 3 drives the screw rod 29 to rotate so as to drive the spiral seat 28 to descend, the mandrel body 1 descends along with the positioning section 13 at the bottom end aligned with the center of the blank, can carry out the ring work of grinding afterwards, through the lift process that sets up motor 3 drive lead screw 29 in order to realize spiral seat 28 to reach the altitude mixture control to lift 2 overall structure of seat, can adjust the dabber to predetermineeing high position fast, make the dabber aim at the blank center fast, the dabber bottom descends to the lowest order, has reduced the preparation work required time, conveniently carries out the ring process of grinding on next step, has improved machining efficiency.

The working principle is as follows:

the mandrel component for rolling the blank by the ring rolling mill has the following specific working process:

vertically placing the mandrel body 1, placing the mandrel body from the side opening of the lifting seat 2, controlling a piston rod of an air cylinder 22 to extend out through an external switch, pushing a sliding block 24 through a connecting rod 23 by the air cylinder 22, further pushing a clamping block 26 through a pull rod 25 linked with the sliding block to clamp the mandrel, increasing the connection stability of the device through friction stripes arranged on the side of the clamping section 14 at the moment, and completing the positioning process of the mandrel body 1 through the operation;

then the motor 3 is started through a control switch, the motor 3 drives the screw rod 29 to rotate so as to drive the screw seat 28 to vertically descend, the mandrel body 1 descends along with the screw seat, the positioning section 13 at the bottom end of the mandrel body is aligned with the center of the blank, and then ring rolling work can be carried out, and the working section 11 serves as a ring rolling working part and is in contact with the blank through the working face on the side face of the working section to carry out ring rolling work.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mandrel assembly for ring mill rolling stock, comprising a mandrel body (1), characterized in that: the mandrel is characterized in that the mandrel body (1) is composed of an integrally formed working section (11), a transition section (12) and a positioning section (13), the mandrel body (1) is clamped in a lifting seat (2) with an opening on one side, a bin body (21) is arranged on the lifting seat (2), an air cylinder (22) is arranged in the bin body (21), a piston rod of the air cylinder (22) is connected with a sliding block (24) through a connecting rod, the sliding block (24) is connected with a clamping block (26) through a pull rod (25), the other end of the lifting seat (2) is fixed on a spiral seat (28), a screw rod (29) is screwed in the spiral seat (28), and the top end of the screw rod (29) is connected with a motor (3) arranged on the lower side of a top plate (32).

2. A mandrel assembly for ring mill rolling stock according to claim 1 wherein: the upper part of the mandrel body (1) is provided with a clamping section (14) with friction stripes on the surface.

3. A mandrel assembly for ring mill rolling stock according to claim 1 wherein: the clamping block (26) is rotatably arranged at the top of the lifting seat (2) through a positioning shaft (27).

4. A mandrel assembly for ring mill rolling stock according to claim 1 wherein: guide rods (31) are symmetrically arranged on two sides of the screw rod (29), the guide rods (31) penetrate through the spiral seat (28), two ends of the guide rods are respectively connected with the top plate (32) and the supporting seat (35), and the side faces of the top plate (32) and the supporting seat (35) are connected through the supporting plate (33).

5. A mandrel assembly for ring mill rolling billets, as claimed in claim 4, characterised in that: the supporting plate (33) is installed on the bottom plate (34), and a rolling platform (36) with a groove in the top is arranged on the upper side of the bottom plate (34).

6. A mandrel assembly for ring mill rolling billets, as claimed in claim 4, characterised in that: the supporting seat (35) is movably connected with the bottom end of the screw rod (29) through a bearing.