CN212190681U

CN212190681U - Automatic high-temperature quenching straightener

Info

Publication number: CN212190681U
Application number: CN202020903553.9U
Authority: CN
Inventors: 虞君高
Original assignee: Wenzhou Sudi Auto Parts Co ltd
Current assignee: Wenzhou Sudi Automobile Parts Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-22
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses an automatic high-temperature quenching straightener, which is characterized in that the straightener comprises a stander and a cooling oil groove, the stander is arranged in the cooling oil groove, the stander is provided with an upper roller, a lower roller A, a lower roller B and an oil cylinder, the upper roller is driven by the oil cylinder to move up and down, the lower roller A and the lower roller B are arranged below the upper roller side by side, the lower roller A, the lower roller B and the upper roller are arranged in parallel, the lower roller A and the lower roller B are connected with a motor driving device through a gear in a transmission way, a plurality of positioning rings A are arranged on the circumferential surface of the upper roller at equal intervals, a plurality of positioning rings B are arranged on the circumferential surface of the lower roller A at equal intervals, a plurality of positioning rings C are arranged on the circumferential surface of the lower roller B at equal intervals, the positioning rings A, the positioning rings B and the positioning rings, and the processing waiting time is shortened, and the production efficiency is greatly improved.

Description

Automatic high-temperature quenching straightener

Technical Field

The utility model relates to a straightening device, in particular to an automatic high-temperature quenching straightening machine.

Background

In the production and processing of the conventional automobile torsion bar, steel materials are generally forged into cylindrical torsion bar blanks, and the cylindrical torsion bar blanks are conveniently transported to various processing procedures for heat treatment such as quenching and tempering, so that the properties of the torsion bar are adjusted, in order to ensure uniform heating of the torsion bar, certain straightness of the torsion bar is required to be ensured, and the diameter of each section of the torsion bar is required to be consistent, however, in the production process, the torsion bar is required to be straightened because of expansion and contraction of heat and cold of the torsion bar in the forging process and non-uniformity of materials, so that the steel materials have certain curvature. In the prior art, a cold straightening method is generally adopted, wherein the cold straightening refers to a process method for correcting a distorted and warped part by applying an external force action to a certain bent part by a hydraulic machine at normal temperature. Because the cold straightening is to forcibly straighten the bent part by using a hydraulic machine, the hard force is too large, so that the torsion bar is impacted to cause matrix damage, and cracks are seriously generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing an automatic high-temperature quenching straightener which can straighten the steel sheet while quenching.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes: automatic high temperature quenching straightener, its characterized in that, including frame and cooling oil groove, the frame sets up in the cooling oil groove, be equipped with roller, lower roll A, lower roll B and hydro-cylinder in the frame, go up the roller and carry out the oscilaltion motion by oil cylinder drive, roller below is located side by side to lower roll A and lower roll B, lower roll A, lower roll B and last roller parallel arrangement, lower roll A and lower roll B pass through the gear and are connected with motor drive device transmission, it is equipped with a plurality of position circle A to go up the equidistant interval on the periphery of roller, the equidistant a plurality of position circle B that are equipped with on lower roll A's the periphery, equidistant a plurality of position circle C that are equipped with on lower roll B's the periphery, position circle A, position circle B, position circle C.

The upper roll is installed on a sliding plate A, the sliding plate A is arranged on a vertical guide rod in a sliding mode, an oil cylinder driving shaft is in transmission connection with the sliding plate A, and the oil cylinder driving sliding plate A moves up and down along the vertical guide rod.

The lower roll A and the lower roll B are arranged on a sliding plate B, the sliding plate B is arranged on a vertical guide rod in a sliding mode, a connecting rod is connected between the sliding plate A and the sliding plate B, limiting blocks are arranged at two ends of the connecting rod, the sliding plate A and the sliding plate B are located between the two limiting blocks, and the sliding plate A is connected with the connecting rod in a sliding mode.

The motor driving device comprises a motor and power transmission teeth, an output shaft of the motor is in transmission connection with the power transmission teeth, and the gear is driven by the power transmission teeth to rotate.

The inner wall of the cooling oil groove is provided with a pipeline, and the pipeline is provided with a plurality of cooling nozzles.

The utility model has the advantages that: the straightening is carried out while the high-temperature workpiece is quenched, so that the internal structure of the product is not damaged, the waiting time for processing is shortened, and the production efficiency is greatly improved; because the two ends of the workpiece have the spline size requirement, the workpiece is only required to be straightened except for the two ends, and the positioning rings are arranged on the upper roller and the lower roller to straighten the workpiece in a sectional manner, so that the condition that the two ends of the workpiece are corrected due to the straight pressing of the rollers is avoided; the cooling oil groove is arranged for cooling the workpiece.

Drawings

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

fig. 2 is a schematic structural view of the lower roller a and the lower roller B.

Detailed Description

Referring to the attached drawings, the automatic high-temperature quenching straightener comprises a rack 1 and a cooling oil tank 6, wherein the rack 1 is arranged in the cooling oil tank 6, the cooling oil tank is filled with cooling oil, the rack 1 is provided with an upper roller 2, a lower roller A3, a lower roller B4 and an oil cylinder 5, in the embodiment, the upper roller 2 is arranged on a sliding plate A21, the sliding plate A21 is arranged on a vertical guide rod 22 in a sliding manner, a driving shaft of the oil cylinder 5 is in transmission connection with the sliding plate A21, and the sliding plate A21 is driven by the oil cylinder 5 to move up and down.

The lower roll A3 and the lower roll B4 are arranged below the upper roll 2 side by side, the lower roll A3 and the lower roll B4 are arranged in parallel with the upper roll 2, a workpiece is placed between the lower roll A3 and the lower roll B4, the lower roll A3 and the lower roll B4 are in transmission connection with a motor driving device through a gear 7, and the motor driving device drives the lower roll A3 and the lower roll B4 to rotate.

The lower roller A3 and the lower roller B4 are arranged on a sliding plate B33, the sliding plate B33 is arranged on the vertical guide rod 22 in a sliding way, a connecting rod 10 is connected between the sliding plate A21 and the sliding plate B33, two ends of the connecting rod 10 are provided with limit blocks 11, the sliding plate A21 and the sliding plate B33 are positioned between the two limit blocks 11, the sliding plate A21 is connected with the connecting rod 10 in a sliding way, the oil cylinder 5 drives the sliding plate A21 to descend, since the sliding plate B33 is hung below the sliding plate A21 through the connecting rod 10, the sliding plate B33 descends along with the sliding plate A21 until the sliding plate B33 stops descending when the gears 7 on the lower rollers A3 and B4 are meshed with the power transmission teeth 9 of the motor driving device, the sliding plate A21 continues descending until the upper roller 2 contacts with a workpiece, and the sliding plate A21 is driven by the oil cylinder 5 to ascend to drive the sliding plate B33 to ascend together.

In this embodiment, motor drive includes motor 8 and power transmission tooth 9, the output shaft and the power transmission tooth 9 transmission of motor 8 are connected, gear 7 is driven by power transmission tooth 9 and is rotated, and lower roll A and lower roll B rotate and drive the work piece rotation and carry out the alignment.

The roller straightening machine is characterized in that a plurality of positioning rings A23 are arranged on the circumferential surface of the upper roller 2 at equal intervals, a plurality of positioning rings B31 are arranged on the circumferential surface of the lower roller A3 at equal intervals, a plurality of positioning rings C41 are arranged on the circumferential surface of the lower roller B4 at equal intervals, and the positioning rings A23, the positioning rings B31 and the positioning rings C41 are arranged in a pair roller manner, so that a workpiece is straightened in a sectional manner, and the condition that the two ends of the workpiece are corrected due to the fact that the rollers are.

The lower roll A3 and the lower roll B4 are arranged in a cooling oil groove 6, a pipeline is arranged on the inner wall of the cooling oil groove, a plurality of cooling nozzles are arranged on the pipeline, and the cooling nozzles face the workpiece to be cooled.

The working principle is as follows: in the initial state, the sliding plate A and the sliding plate B are in high positions and higher than the oil level, after a workpiece is placed between the lower roller A and the lower roller B, the oil cylinder drives the sliding plate A to descend, the sliding plate B descends along with the sliding plate A until the sliding plate B stops descending when gears on the lower roller A and the lower roller B are meshed with power transmission teeth of a motor driving device, the motor drives the power transmission teeth to rotate, the gears rotate to drive the lower roller A and the lower roller B to rotate, the workpiece rotates along with the rotation, and at the moment, the workpiece is immersed in oil to be cooled; the sliding plate A is driven by the oil cylinder to continuously descend until the positioning ring A of the upper roller contacts with the workpiece, the positioning ring A, the positioning ring B and the positioning ring C are matched with each other to extrude the workpiece, and the workpiece is straightened in a segmented mode while being quenched. The equipment can also automatically set the straightening time, the straightening requirement and the like according to the requirements of the size and the like of the workpiece, and after the straightening is finished, the oil cylinder drives the sliding plate A and the sliding plate B to ascend.

Claims

1. Automatic high temperature quenching straightener, its characterized in that, including frame and cooling oil groove, the frame sets up in the cooling oil groove, be equipped with roller, lower roll A, lower roll B and hydro-cylinder in the frame, go up the roller and carry out the oscilaltion motion by oil cylinder drive, roller below is located side by side to lower roll A and lower roll B, lower roll A, lower roll B and last roller parallel arrangement, lower roll A and lower roll B pass through the gear and are connected with motor drive device transmission, it is equipped with a plurality of position circle A to go up the equidistant interval on the periphery of roller, the equidistant a plurality of position circle B that are equipped with on lower roll A's the periphery, equidistant a plurality of position circle C that are equipped with on lower roll B's the periphery, position circle A, position circle B, position circle C.

2. The automatic high temperature quenching straightener of claim 1, wherein the upper roller is mounted on a sliding plate A, the sliding plate A is slidably disposed on a vertical guide rod, the cylinder driving shaft is in driving connection with the sliding plate A, the cylinder is in driving connection with the sliding plate A, and the cylinder drives the sliding plate A to move up and down along the vertical guide rod.

3. The automatic high temperature quenching straightener according to claim 2, wherein the lower roller A and the lower roller B are arranged on a sliding plate B, the sliding plate B is arranged on a vertical guide rod in a sliding manner, a connecting rod is connected between the sliding plate A and the sliding plate B, limiting blocks are arranged at two ends of the connecting rod, the sliding plate A and the sliding plate B are arranged between the two limiting blocks, and the sliding plate A and the connecting rod are connected in a sliding manner.

4. The automatic high temperature quenching straightener of claim 3, wherein the motor driving device comprises a motor and a power transmission gear, an output shaft of the motor is in transmission connection with the power transmission gear, and the gear is driven by the power transmission gear to rotate.

5. The automatic high-temperature quenching straightening machine as claimed in claim 1, wherein the inner wall of the cooling oil tank is provided with a pipeline, and the pipeline is provided with a plurality of cooling nozzles.