Mandrel lifting device for axial-radial ring rolling mill

Abstract

The utility model provides a mandrel lifting device of an axial and radial ring rolling mill, which relates to the technical field of mechanical structure design and comprises a main plate, a lifting rod is fixedly connected to the inner wall of the main plate, a lifting disc is slidably connected to the outer wall of the lifting rod, an adjuster is slidably connected to the inner wall of the lifting disc, and a connecting rod is rotatably connected to the inner wall of the adjuster. The outer wall of the connecting rod is slidably connected to the outer wall of the lifting disc, a first gear is fixedly connected to the outer wall of the bottom end of the connecting rod, and first racks are connected to the outer walls of the two sides of the first gear in an engaged mode. According to the mandrel fixing device, the structures of the gear, the rack, the clamping plate and the like are adopted, mandrels of different sizes can be well fixed, under the action of the friction cushion, the fixing effect is better, damage to an object caused by mechanical shaking is prevented, and the threaded bolt structure is additionally arranged, so that the machining precision is improved. And the position of the core shaft can be annularly moved and adjusted, so that the practicability of the device is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical structure design technical field especially relates to a kind of axle radial ring rolling machine core shaft lifting device. BACKGROUND

[0002] Axle radial ring rolling machine is the core production equipment of ring forging, is widely used in energy, aerospace, rail transport, petrochemical and other high-end fields.With the requirement of these industries to ring piece size precision, material performance and production efficiency is constantly improved, the limitation of traditional ring rolling equipment needs to be broken through.The improvement of core shaft lifting device is directly related to ring piece forming quality and production efficiency, and is the key technical bottleneck for realizing large ring piece precision rolling.

[0003] The existing axle radial ring rolling machine core shaft lifting device, most of them have the problem of being unable to adjust and fix for different sizes of core shaft, which will cause the existing device to be unable to adapt to its size once the core shaft size changes, so the device needs to be replaced to work, thereby making the device less practical. INVENTION CONTENTS

[0004] The utility model aims at solving the problem in prior art that axle radial ring rolling machine core shaft lifting device, most of them have the problem of being unable to adjust and fix for different sizes of core shaft, which will cause the existing device to be unable to adapt to its size once the core shaft size changes, so the device needs to be replaced to work, thereby making the device less practical, and proposes an axle radial ring rolling machine core shaft lifting device.

[0005] To achieve the above object, the utility model adopts the following technical scheme: an axle radial ring rolling machine core shaft lifting device, including mainboard, the inner wall of mainboard is fixedly connected with lifting rod, the outer wall of lifting rod is slidably connected with lifting disc, the inner wall of lifting disc is slidably connected with regulator, the inner wall of regulator is rotatably connected with connecting rod, the outer wall of connecting rod is slidably connected on the outer wall of lifting disc, the outer wall of connecting rod bottom end is fixedly connected with gear one, the outer wall of gear one both sides is all meshedly connected with rack one, the outer wall of rack one is slidably connected on the inner wall of regulator, the outer wall of rack one is fixedly connected with slide rod, the outer wall of slide rod is slidably connected on the inner wall of regulator, the outer wall of one side end of slide rod is fixedly connected with clamping plate.

[0006] Preferably, the outer wall of clamping plate is fixedly connected with friction soft pad, and the outer wall of top end of connecting rod is fixedly connected with knob.

[0007] Preferably, the top end of the outer wall of lifting disc is provided with a sensor corresponding to the position of the knob.

[0008] Preferably, the outer wall of the adjuster is threadedly connected with a threaded bolt, and the outer wall of the lifting disc is provided with a plurality of threaded holes for threadedly connecting the threaded bolt.

[0009] Preferably, the inner wall of the lifting disc is fixedly connected with a motor, the driving end of the motor is fixedly connected with a driving rod, and the outer wall of the driving rod is slidably connected to the inner wall of the lifting rod.

[0010] Preferably, the outer wall of the driving rod is fixedly connected with a second gear, the outer wall of the second gear is engagedly connected with a second rack, and the outer wall of the second rack is fixedly connected to the inner wall of the lifting rod.

[0011] Compared with the prior art, the device has the advantages and positive effects that,

[0012] 1. In the device, the gear and rack and the clamping plate are used, different sizes of mandrels can be well fixed, the fixed effect is better under the action of the friction cushion, damage to objects caused by mechanical shaking is prevented, a threaded bolt structure is additionally arranged, the position of the mandrel can be circularly moved and adjusted, and therefore the device has higher practicability.

[0013] 2. In the device, the motor and the gear and rack are used, the clamping structure and the mandrel can be driven to move up and down at the same time under the action of the gear and rack, the purpose of lifting the mandrel is achieved, and therefore the device has higher applicability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A three-dimensional structure schematic view of the mandrel lifting device of the axial radial ring rolling machine is provided for the device.

[0015] Figure 2 A deformation structure schematic view of the mandrel lifting device of the axial radial ring rolling machine is provided for the device.

[0016] Figure 3 A clamping structure schematic view of the mandrel lifting device of the axial radial ring rolling machine is provided for the device.

[0017] Figure 4 A lifting structure schematic view of the mandrel lifting device of the axial radial ring rolling machine is provided for the device.

[0018] Legend: 1, main plate; 2, lifting rod; 3, lifting disc; 4, adjuster; 5, connecting rod; 6, gear one; 7, rack one; 8, sliding rod; 9, clamping plate; 10, knob; 11, motor; 12, driving rod; 13, gear two; 14, rack two; 15, threaded bolt. DETAILED DESCRIPTION

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1: As Figures 1-4 As shown, this utility model provides a technical solution: a lifting device for the core shaft of a radial ring rolling mill, including a main board 1, a lifting rod 2 fixedly connected to the inner wall of the main board 1, a lifting plate 3 slidably connected to the outer wall of the lifting rod 2, an adjuster 4 slidably connected to the inner wall of the lifting plate 3, a connecting rod 5 rotatably connected to the inner wall of the adjuster 4, the outer wall of the connecting rod 5 slidably connected to the outer wall of the lifting plate 3, a gear 6 fixedly connected to the outer wall of the bottom end of the connecting rod 5, and racks 7 meshing with the outer walls of both sides of the gear 6, the outer wall of the racks 7... A sliding rod 8 is fixedly connected to the outer wall of the rack 7 and the inner wall of the regulator 4. The outer wall of the sliding rod 8 is slidably connected to the inner wall of the regulator 4. A clamping plate 9 is fixedly connected to the outer wall of one end of the sliding rod 8. A friction pad is fixedly connected to the outer wall of the clamping plate 9. A knob 10 is fixedly connected to the outer wall of the top of the connecting rod 5. A sensor is installed on the outer wall of the top of the lifting plate 3 at the position corresponding to the knob 10. A threaded bolt 15 is threadedly connected to the outer wall of the regulator 4. Multiple threaded holes for threaded bolt 15 to be threadedly connected are opened on the outer wall of the lifting plate 3.

[0022] In this embodiment, first, the object is placed in the appropriate position, then drive sensor adjustment knob 10 rotation, rotation knob 10 drive connecting rod 5 along the inner wall of the lifting disc 3 rotation, connecting rod 5 rotation drive gear one 6 along with the rotation, gear one 6 rotation drive two ratchets one 7 meshing in the outer wall of gear one 6 along the inner wall of the regulator 4 sliding, ratchet one 7 drive sliding bar 8 along the inner wall of the regulator 4 sliding, sliding bar 8 drive clamp plate 9 move and adhere to the two surfaces of the object, then close the sensor to stop the rotation of the knob 10, then along the inner wall of the lifting disc 3 sliding regulator 4, thereby driving the 2 so that the object is rotated to the appropriate position along the center of the lifting rod 2, then install the threaded bolt 15 along the opening on the surface of the regulator 4 and the lifting disc 3, thereby fixing the regulator 4, this part mainly introduces the working principle of the clamping structure, adopts gear and ratchet and clamp structure, for different size of the mandrel, can be a good fixed effect, and under the action of the friction pad, not only the fixed effect is better, but also prevent the mechanical vibration damage to the object, secondly, the threaded bolt structure is added, which can adjust the position of the mandrel in a ring shape, thereby making the device more practical.

[0023] Embodiment 2: as shown in Figures 1-4 The inner wall of the lifting disc 3 is fixedly connected with a motor 11, the driving end of the motor 11 is fixedly connected with a driving rod 12, the outer wall of the driving rod 12 is slidingly connected to the inner wall of the lifting rod 2, the outer wall of the driving rod 12 is fixedly connected with a gear two 13, the gear two 13 is meshingly connected with a ratchet two 14, and the outer wall of the ratchet two 14 is fixedly connected to the inner wall of the lifting rod 2.

[0024] In this embodiment, first, start the motor 11, the driving end of the motor 11 rotates to drive the driving rod 12 to rotate, the driving rod 12 rotates to drive the gear two 13 to rotate, the gear two 13 rotates and is driven by the ratchet two 14 to drive the lifting disc 3 to slide along the inner wall of the lifting rod 2, the lifting disc 3 slides to drive the object on the lifting rod 2 to move, and the motor 11 is closed when it is moved to the appropriate position, this part mainly introduces the working principle of the lifting structure, adopts motor and gear and ratchet structure, drives the motor and is driven by the gear and ratchet, thereby driving the clamping structure and the mandrel to move up and down at the same time, thereby achieving the purpose of lifting the mandrel, thereby making the device more applicable.

[0025] The working principle of the embodiment is as follows: first, the object is placed in a proper position, then the sensor adjusting knob 10 is driven to rotate, the knob 10 rotates to drive the connecting rod 5 to rotate on the inner wall of the lifting disc 3, the connecting rod 5 rotates to drive the gear one 6 to rotate, the gear one 6 rotates to drive the two racks one 7 meshed on the outer wall of the gear one 6 to slide along the inner wall of the adjuster 4, the rack one 7 moves to drive the slide rod 8 to slide along the inner wall of the adjuster 4, the slide rod 8 moves to drive the clamping plate 9 to move and adhere to the two surfaces of the object, then the sensor is turned off to stop the rotation of the knob 10, then the adjuster 4 is slid along the inner wall of the lifting disc 3 to drive the two objects on the adjuster 4 to rotate to a proper position along the center of the lifting rod 2, then the threaded bolt 15 is installed along the opening on the surface of the adjuster 4 and the lifting disc 3 to fix the adjuster 4, then the motor 11 is started, the driving end of the motor 11 rotates to drive the driving rod 12 to rotate, the driving rod 12 rotates to drive the gear two 13 to rotate, the gear two 13 rotates and is driven by the rack two 14 to drive the lifting disc 3 to slide along the inner wall of the lifting rod 2, the lifting disc 3 slides to drive the two objects on the lifting rod 2 to move, and the motor 11 is turned off when the objects are moved to a proper position.

[0026] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments shall fall within the protection scope of the present application.

Claims

1. A lifting device for the core shaft of a radial ring rolling mill, comprising a main board (1), characterized in that: The inner wall of the main board (1) is fixedly connected to a lifting rod (2), the outer wall of the lifting rod (2) is slidably connected to a lifting plate (3), the inner wall of the lifting plate (3) is slidably connected to an adjuster (4), the inner wall of the adjuster (4) is rotatably connected to a connecting rod (5), the outer wall of the connecting rod (5) is slidably connected to the outer wall of the lifting plate (3), the bottom outer wall of the connecting rod (5) is fixedly connected to a gear (6), the outer walls of both sides of the gear (6) are meshed with a rack (7), the outer wall of the rack (7) is slidably connected to the inner wall of the adjuster (4), the outer wall of the rack (7) is fixedly connected to a slide rod (8), the outer wall of the slide rod (8) is slidably connected to the inner wall of the adjuster (4), and one end of the slide rod (8) is fixedly connected to a clamp (9).

2. The radial ring rolling mill core shaft lifting device according to claim 1, characterized in that: The outer wall of the clamp (9) is fixedly connected with a friction pad, and the outer wall of the top end of the connecting rod (5) is fixedly connected with a knob (10).

3. The radial ring rolling mill core shaft lifting device according to claim 2, characterized in that: A sensor is installed on the top outer wall of the lifting plate (3) at the position corresponding to the knob (10).

4. The radial ring rolling mill core shaft lifting device according to claim 3, characterized in that: The regulator (4) has a threaded bolt (15) threaded on its outer wall, and the lifting plate (3) has multiple threaded holes on its outer wall for threaded connection of the threaded bolt (15).

5. The radial ring rolling mill core shaft lifting device according to claim 4, characterized in that: A motor (11) is fixedly connected to the inner wall of the lifting plate (3), and a drive rod (12) is fixedly connected to the drive end of the motor (11). The outer wall of the drive rod (12) is slidably connected to the inner wall of the lifting rod (2).

6. The radial ring rolling mill core shaft lifting device according to claim 5, characterized in that: The drive rod (12) is fixedly connected to the outer wall of the gear two (13), and the outer wall of the gear two (13) is meshed with the rack two (14). The outer wall of the rack two (14) is fixedly connected to the inner wall of the lifting rod (2).

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