CN219620141U - Core rod conveying roller - Google Patents

Abstract

The utility model discloses a mandrel conveying roller, and relates to the technical field of mandrel graphite lubrication in seamless steel tube production. The core rod conveying roller comprises a motor and a bearing seat, wherein a transmission shaft is arranged at the rear end of the motor and is in transmission connection with a limiting rack, a guide rail is arranged at the bottom of the limiting rack, a rack box is fixedly connected to the top of the guide rail, rollers are arranged in the guide rail, a core rod is placed in a core rod clamping sleeve welded at the end part of the limiting rack, and a roller is rotationally connected to the top of the bearing seat. This plug conveying roller is through starting motor for the limit rack that is connected with motor drive removes, removes the plug in the cutting ferrule of limit rack tip welded, cooperates hollow structure's roller, can release the plug, can reduce the graphite of plug spraying graphite back roller with the graphite scraping of plug, thereby arouses the condition production of steel pipe internal surface quality defect, improves lubrication quality.

Description

Core rod conveying roller

Technical Field

The utility model relates to the technical field of core rod graphite lubrication in seamless steel tube production, in particular to a core rod conveying roller.

Background

In the production of the seamless steel tube, the quality of the finished tube is an important index for measuring whether the production process of the seamless steel tube is mature or not, and is a representation of the production capacity of a company, and the qualification rate has important significance on the production capacity of a unit. In order to improve the quality of the finished steel pipe and the qualification rate of the finished steel pipe, a set of core rod conveying rollers for preventing graphite from scraping in the production of the seamless steel pipe is designed.

According to a publicly disclosed adjustable core rod conveying roller (publication number: CN 208037406U), the adjustable core rod conveying roller comprises a bottom plate, a bracket, a carrier roller and a motor, wherein the bracket is arranged on the bottom plate, a shaft lever is coaxially arranged on the bracket in a penetrating way, the carrier roller coaxially penetrates through the shaft lever, and one end of the shaft lever is connected with an output shaft of the motor, and the adjustable core rod conveying roller is characterized in that: the support include fixed bolster and slidable support, but fixed bolster's bottom is fixed on the bottom plate offer the spout on the bottom plate, slidable support's bottom can dismantle the slip setting in this spout, the axostylus axostyle passes in proper order sliding support and fixed bolster between sliding support and the fixed bolster, coaxial detachable cover is equipped with on the axostylus axostyle the bearing roller the end of axostylus axostyle is provided with the motor near one side of fixed bolster traditional solid stick makes the plug spraying stone mill back roller scrape graphite phenomenon more in the above-mentioned application document, lubrication effect is relatively poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a mandrel conveying roller, which solves the problems in the background art. In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a plug conveying roller, includes motor and bearing frame, the motor is provided with the transmission shaft transmission through its rear end and is connected with the limit rack, limit rack bottom is provided with the guide rail, guide rail top fixedly connected with rack case, the inside gyro wheel that is provided with of guide rail, the tip welding plug cutting ferrule of limit rack has placed the plug in, the bearing frame top rotates and is connected with the roller.

Preferably, the stopper rack is located inside the rack housing and at a bottom position of the guide rail in an unused state.

Preferably, the guide rail is internally fixedly connected with a hydraulic bin, a piston at the top of the hydraulic bin is slidably connected with a stress rod, the bottom of the stress rod is fixedly connected with a spring, a piston at the side face of the hydraulic bin is slidably connected with a transmission rod, the top of the side face of the transmission rod is fixedly connected with a force unloading rod, the bottom of the side face of the transmission rod is fixedly connected with an elastic rod, the side face of the elastic rod is fixedly connected with a fixing block, and a rubber block is fixedly connected inside the fixing block.

Preferably, the stress rod is positioned at the bottom of the roller, and the top of the stress rod is in an arc state.

Preferably, two springs are arranged, and the two springs are symmetrically distributed about the central axis of the stress rod.

Preferably, the side surface of the fixed block is provided with an opening, and the shape of the opening of the fixed block is the same as the section of the force unloading rod.

The utility model provides a mandrel conveying roller. The beneficial effects are as follows:

(1) This plug conveying roller is through starting motor for the limit rack that is connected with motor drive removes, removes the plug in the cutting ferrule of limit rack tip welded, cooperates hollow structure's roller, can release the plug, can reduce the graphite of plug spraying graphite back roller with the graphite scraping of plug, thereby arouses the condition production of steel pipe internal surface quality defect, improves lubrication quality.

(2) This plug conveying roller, when the roller rotates and produces vibrations for the atress pole of bottom produces vibrations, cooperation hydraulic pressure storehouse, makes the transfer line remove, extrudees the elastic rod, and the power pole removes simultaneously, receives the extrusion of rubber piece, the vibrations that produce when can reducing the roller rotation, further reduces the possibility that graphite breaks away from.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional appearance structure of the present utility model;

FIG. 2 is a schematic view of a roller configuration prior to modification;

FIG. 3 is a modified hollow structure roller intent;

FIG. 4 is a schematic view of the mandrel on the roller;

FIG. 5 is a schematic view of the present utility model in elevation and cross section;

fig. 6 is an enlarged schematic view of the structure of fig. 5A according to the present utility model.

In the figure: 1. a motor; 2. a transmission shaft; 3. a rack box; 4. limiting racks; 5. a roller; 6. a guide rail; 7. a core rod; 8. a roller; 9. a bearing seat; 10. a hydraulic bin; 11. a force-bearing rod; 12. a spring; 13. a transmission rod; 14. a force-unloading rod; 15. an elastic rod; 16. a fixed block; 17. rubber blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a plug conveying roller, including motor 1 and bearing frame 9, motor 1 is provided with transmission shaft 2 transmission through its rear end and is connected with limit rack 4, limit rack 4 bottom is provided with guide rail 6, guide rail 6 top fixedly connected with rack case 3, limit rack 4 is located the inside of rack case 3 and the bottom position of guide rail 6 under the unused state, guide rail 6 is inside to be provided with gyro wheel 5, the tip welding plug cutting ferrule of limit rack 4 has placed plug 7, bearing frame 9 top rotation is connected with roller 8, through start motor 1, make limit rack 4 that is connected with the transmission of motor 1 remove, remove limit rack 4 tip welded cutting ferrule's plug 7, cooperate hollow structure's roller 8, can release plug 7, can reduce the graphite of plug 7 after the graphite spraying of plug 7 roller 8 scrapes the graphite of plug 7, thereby arouse the condition of steel pipe internal surface quality defect to produce, the lubrication quality is improved, the hydraulic bin 10 is fixedly connected in the guide rail 6, the top piston of the hydraulic bin 10 is slidably connected with the stress rod 11, the stress rod 11 is positioned at the bottom of the roller 8, the top of the stress rod 11 is in an arc state, the bottom of the stress rod 11 is fixedly connected with the springs 12, the springs 12 are symmetrically distributed about the central axis of the stress rod 11, the two springs 12 are symmetrically distributed about the central axis of the stress rod 11, the side piston of the hydraulic bin 10 is slidably connected with the transmission rod 13, the top of the side surface of the transmission rod 13 is fixedly connected with the unloading rod 14, the bottom of the side surface of the transmission rod 13 is fixedly connected with the elastic rod 15, the side surface of the elastic rod 15 is fixedly connected with the fixed block 16, the side surface of the fixed block 16 is provided with an opening, the shape of the opening is identical with the section of the unloading rod 14, the inside of the fixed block 16 is fixedly connected with the rubber block 17, when the roller 8 rotates to generate vibration, the force-bearing rod 11 at the bottom is vibrated, the hydraulic bin 10 is matched with the force-bearing rod 11 in sliding connection with the piston of the hydraulic bin 10, the transmission rod 13 is moved in sliding connection with the piston of the hydraulic bin 10, the elastic rod 15 is extruded, meanwhile, the force-unloading rod 14 fixedly connected with the transmission rod 13 is moved, and the vibration generated during rotation of the roller 8 can be reduced due to extrusion of the rubber block 17, so that the possibility of graphite separation is further reduced.

When the device is used, the motor 1 is started to enable the limiting rack 4 in transmission connection with the motor 1 to move, the core rod 7 in the clamping sleeve welded at the end part of the limiting rack 4 is moved, and the core rod 7 can be pushed out by matching with the roller 8 with a hollow structure; when the roller 8 rotates to generate vibration, the stress rod 11 at the bottom generates vibration, and the hydraulic bin 10 is matched with the stress rod 11 in a sliding connection manner, so that the transmission rod 13 which is in sliding connection with the piston of the hydraulic bin 10 moves, the elastic rod 15 is extruded, and meanwhile, the force unloading rod 14 which is fixedly connected with the transmission rod 13 moves and is extruded by the rubber block 17.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a plug conveying roller, includes motor (1) and bearing frame (9), its characterized in that: the motor (1) is provided with a transmission shaft (2) through its rear end and is connected with a limit rack (4), limit rack (4) bottom is provided with guide rail (6), guide rail (6) top fixedly connected with rack case (3), guide rail (6) inside is provided with gyro wheel (5), place plug (7) in the tip welding plug cutting ferrule of limit rack (4), bearing frame (9) top rotation is connected with roller (8).

2. The mandrel transport roller as claimed in claim 1, wherein: the limiting rack (4) is positioned in the rack box (3) and at the bottom of the guide rail (6) in the unused state.

3. The mandrel transport roller as claimed in claim 1, wherein: the hydraulic pressure storehouse (10) of fixedly connected with in guide rail (6), hydraulic pressure storehouse (10) top piston sliding connection has atress pole (11), atress pole (11) bottom fixedly connected with spring (12), hydraulic pressure storehouse (10) side piston sliding connection has transfer line (13), transfer line (13) side top fixedly connected with unloads power pole (14), transfer line (13) side bottom fixedly connected with elastic rod (15), elastic rod (15) side fixedly connected with fixed block (16), inside fixedly connected with rubber piece (17) of fixed block (16).

4. A mandrel transport roller according to claim 3, wherein: the stress rod (11) is positioned at the bottom of the roller (8), and the top of the stress rod (11) is in an arc-shaped state.

5. A mandrel transport roller according to claim 4, wherein: the springs (12) are arranged in two, and the two springs (12) are symmetrically distributed about the central axis of the stress rod (11).

6. A mandrel transport roller according to claim 5, wherein: the side of the fixed block (16) is provided with an opening, and the shape of the opening of the fixed block (16) is the same as the section of the force unloading rod (14).