Clutch driven disc heat treatment processing tooling
By using a tool set with upper and lower hydraulic mechanisms combined in the heat treatment process of the clutch driven disc, quenching and leveling are achieved simultaneously, which solves the problem that parts are difficult to accurately level under high temperature and high pressure in traditional processes, and improves the plane of the parts The accuracy and quenching effect shorten the processing time.
Patent Information
- Application Number
- CN201911345980.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-12-24
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2039-12-24
AI Technical Summary
The traditional automotive clutch driven disc heat treatment process is difficult to achieve accurate leveling under high temperature and high pressure conditions, resulting in poorer flatness of parts, and difficult to level parts with large deformation after quenching, resulting in waste products, and long periods of high temperature rise and cooling. Wasting time.
Using a tooling combined with upper and lower hydraulic mechanisms, the driven disc quenching and leveling are achieved simultaneously. Through the design of the hydraulic press and quenching oil tank, the pressure and quenching are carried out simultaneously, and the thermal balance flow of the quenching oil volume is adjusted to ensure that the parts are at high temperature and high pressure. leveling accuracy.
It effectively prevents the deformation of parts under high temperature and high pressure conditions, shortens the high temperature leveling process, improves the planarity accuracy of the driven disc, reduces the scrap rate, and shortens the processing cycle.
Smart Images
Figure CN110918745B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of clutch processing. Background Art
[0002] The driven disc in the automobile clutch is a key component of the entire clutch, which directly affects the performance of the clutch. The driven disc is a thin-walled large-size part. During the production process, it is produced through a process of quenching and high-temperature leveling after carbonitriding. The conditions during use are very harsh and it needs to be used after heat treatment. After the heat treatment, the deformation of the driven disc is large due to the combined effect of tissue stress and thermal stress, and it needs to be leveled before it can be used. Traditional leveling uses a heated flat mold to level the parts under high temperature and high pressure conditions. The disadvantage is that the position of the parts is prone to deterioration after leveling under high temperature and high pressure conditions, and it is difficult to level when the parts are deformed greatly, resulting in waste.
[0003] The leveling process has the following defects when using traditional production: It requires a high temperature of 350 degrees, and each heating and cooling process takes 12 hours, which wastes time. When the deformation of the parts in the previous process (carbonitriding-quenching) is large, it is difficult to level, and the flatness of the finished product deteriorates. The position of the parts is prone to deviation under high temperature and high pressure. Summary of the invention
[0004] The invention aims at providing a clutch driven disc heat treatment processing tool which can directly quench and level the driven disc simultaneously.
[0005] The present invention comprises an upper hydraulic mechanism and a lower hydraulic mechanism;
[0006] Upper hydraulic mechanism: an upper fixed plate is fixedly installed on the upper end of the column through the upper vertical plate, the hydraulic cylinder body of the hydraulic press is fixed on the upper fixed plate through the upper connecting plate, the hydraulic cylinder plug of the hydraulic press passes through the upper fixed plate and is fixedly connected to the fixed connector, the fixed connector is fastened to the slide rail seat by bolts, a slide rail sleeve is fixedly installed on one side of the slide rail seat, the slide rail sleeve and the slide rail form a track, and the slide rail is fixed to the column; an upper mold stabilizing frame is fixedly installed under the slide rail seat, an upper mold seat mounting groove is opened in the middle of the upper mold stabilizing frame, the upper mold seat is installed in the upper mold seat mounting groove, a card slot is opened on the side wall of the upper mold seat, a locking pin groove is opened on the upper mold stabilizing frame corresponding to the card slot, a locking pin is inserted in the locking pin groove, a reset spring is sleeved on the locking pin, the rear end of the reset spring is clamped on the clamping table in the locking pin groove, and the front end is clamped on the clamping block at the tail end of the locking pin, and a handle is provided at the tail end of the extended part of the locking pin; the upper mold is fixedly installed on the upper mold seat;
[0007] Lower hydraulic mechanism: a lower fixed plate is fixedly installed under the column, an upper cover plate of the quenching oil pool is fixedly installed under the lower fixed plate, the quenching oil pool is connected with the oil delivery channel through a pipeline, and the oil delivery channel is placed inside the lower fixed plate and penetrates; the cylinder body of the mold core lifting cylinder is fixed to the lower fixed plate through the lower connecting plate, the cylinder plug of the mold core lifting cylinder passes through the lower fixed plate, the lower fixed plate sealing cover, the lower mold and the mold core are fixedly connected, the lower fixed plate, the lower fixed plate sealing cover, and the lower mold are fixedly connected in sequence, and are all provided with interconnected quenching oil channels, and multiple oil outlets are provided in the longitudinal and transverse directions of the mold core;
[0008] An oil return passage communicating with the quenching oil pool is provided on the lower fixing plate and the lower fixing plate sealing cover corresponding to the outer sides of the upper and lower dies.
[0009] The advantages of the present invention are that the pressing and quenching are carried out simultaneously, which ensures the flatness accuracy of the workpiece, and can prevent the deformation of the parts under high temperature and high pressure conditions while meeting the flatness requirements. The deformation of the parts is ensured to ensure the flatness of the driven disk, thereby reducing the high-temperature leveling process. During the quenching and cooling process of the parts, the thermal balance flow of the quenching oil can be adjusted to ensure that the oil volume is sufficient during quenching, and the parts can obtain a good quenching effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the present invention;
[0011] Figure 2 The present invention Figure 1 A magnified view of part A;
[0012] Figure 3 The present invention Figure 1 A magnified view of part B;
[0013] Figure 4 It is an enlarged view of the matching part of the upper mold stabilizing frame and the locking mold pin of the present invention. DETAILED DESCRIPTION
[0014] The present invention comprises an upper hydraulic mechanism and a lower hydraulic mechanism; the upper hydraulic mechanism and the lower hydraulic mechanism are respectively equipped with an upper die 16 and a lower die 23 and cooperate with each other.
[0015] Upper hydraulic mechanism: An upper fixed plate 3 is fixedly installed on the upper end of the column 4 through the upper vertical plate 2. The column 4, the upper vertical plate 2 and the upper fixed plate 3 are supporting mechanisms. The hydraulic cylinder body 1 of the hydraulic press is fixed on the upper fixed plate 3 through the upper connecting plate 13. The hydraulic cylinder plug 14 of the hydraulic press passes through the upper fixed plate 3 and is fixedly connected to the fixed connecting body 12. The fixed connecting body 12 is fastened to the slide rail seat 11 by bolts. A slide rail sleeve 10 is fixedly installed on one side of the slide rail seat 11. The slide rail sleeve 10 and the slide rail 9 form a track. The slide rail 9 is fixed on the column 4. The slide rail sleeve 10 and the slide rail 9 are matched with each other and play a guiding role.
[0016] An upper die stabilizing frame 15 is fixedly installed under the slide rail seat 11, an upper die seat mounting groove 30 is opened in the middle of the upper die stabilizing frame 15, the upper die seat 17 is installed in the upper die seat mounting groove 30, a clamping groove 24 is opened on the side wall of the upper die seat 17, a locking pin groove 31 is opened on the upper die stabilizing frame 15 corresponding to the clamping groove 24, a locking pin 27 is inserted in the locking pin groove 31, a reset spring 25 is sleeved on the locking pin 27, the rear end of the reset spring 25 is clamped on the clamping platform 33 in the locking pin groove 31, and the front end is clamped on the clamping block 32 at the tail end of the locking pin 27, and a handle 26 is provided at the tail end of the protruding part of the locking pin 27. The clamping mechanism is the mechanism for installing the upper die seat. For convenience, a manual moving mechanism is used. Hold the handle with your hand and pull it outward to drive the clamping pin to be pulled out and out of the clamping pin hole (slot 24), thereby releasing the lock of the upper die seat. At this time, the reset spring is in a compressed state. If it is released, the clamping pin will be pushed into the vacant upper die seat installation groove. After installing the new upper die seat with the upper die, pull out the clamping pin, completely place the upper die seat into the upper die seat installation groove, and ensure that the clamping pin hole corresponds to the clamping pin groove. At this time, release the handle, and the clamping pin will be directly inserted into the clamping pin hole, thereby locking the upper die seat.
[0017] The upper die 16 is fixedly mounted on the upper die base 17 .
[0018] The cylinder plug of the hydraulic cylinder body 1 of the hydraulic press moves downward, which can drive the upper mold 16 to move downward along the guide straight line of the slide rail 9.
[0019] Lower hydraulic mechanism: The lower hydraulic mechanism is a relatively static mechanism. After adjusting all mechanisms, the workpiece 22 can be installed, so that the pressing of the upper hydraulic mechanism can be completed. However, the lower mechanism also includes the quenching function, so it can be considered that the pressing and quenching are completed at the same time. A lower fixed plate 5 is fixedly installed under the column 4, and the upper cover plate 8 of the quenching oil pool 6 is fixedly installed under the lower fixed plate 5. The quenching oil pool 6 is connected to the oil delivery channel 28 through a pipeline, and the oil delivery channel 28 is placed inside the lower fixed plate 5 and penetrates; the core lifting cylinder body 7 is fixed on the lower fixed plate 5 through the lower connecting plate 19, and the core lifting cylinder plug passes through the lower fixed plate 5, the lower fixed plate sealing cover 18, and the lower mold 23 and is fixedly connected to the mold core 20. The lower fixed plate 5, the lower fixed plate sealing cover 18, and the lower mold 23 are fixedly connected in sequence, and are all provided with interconnected quenching oil channels 34, and multiple oil outlets 21 are provided in the longitudinal and transverse directions of the mold core 20. After the workpiece 22 is placed on the mold core 20, the upper hydraulic mechanism moves downward to perform the pressing, the upper mold and the lower mold are docked, and the workpiece blank is pressed. Then the quenching oil pump is turned on, and the quenching oil in the quenching oil pool is transported to the oil delivery channel 28, the quenching oil channel 34, and multiple oil outlets 21 through the pipeline in sequence to spray the quenching oil onto the workpiece between the upper mold and the lower mold, and ensure that the workpiece is basically immersed in the quenching oil, and the excess quenching oil will flow back to the quenching oil pool along the return oil channel 29. After a period of static, the upper hydraulic mechanism can be raised, and the quenching oil pump is turned off to stop the oil supply, and the workpiece pressing and quenching are completed at the same time. The channel between the lower fixed plate 5, the lower fixed plate sealing cover 18, and the lower mold 23 is completely sealed to prevent the quenching oil from flowing out of the gap between them.
[0020] The multiple oil outlets 21 opened longitudinally and transversely refer to the longitudinal oil outlets shown in the figure, and the transverse ones refer to the oil outlets that can ensure that oil can be discharged from both the upper and lower parts of the workpiece after the workpiece is installed on the mold core 20. Therefore, the transverse oil outlets are generally at least two rows, one row corresponding to the upper part of the workpiece, and the other row corresponding to the lower part of the workpiece, and the number of oil outlets is set according to needs.
[0021] The lower fixed plate 5 and the lower fixed plate sealing cover 18 corresponding to the outer sides of the upper and lower molds are provided with an oil return channel 29 connected to the quenching oil pool 6. The oil return channel 29 is a channel for recovering the quenching oil, and the number can be set as needed.
Claims
1. A heat treatment tool for a clutch driven disc, characterized in that: The invention comprises an upper hydraulic mechanism and a lower hydraulic mechanism; the upper hydraulic mechanism comprises an upper fixing plate (3) fixedly mounted on the upper end of the column (4) through an upper vertical plate (2); a hydraulic cylinder body (1) of the hydraulic press is fixedly mounted on the upper fixing plate (3) through an upper connecting plate (13); a hydraulic cylinder plug (14) of the hydraulic press passes through the upper fixing plate (3) and is fixedly connected to a fixed connecting body (12); the fixed connecting body (12) is fastened to a slide rail seat (11) through bolts; a slide rail sleeve (10) is fixedly mounted on one side of the slide rail seat (11); the slide rail sleeve (10) and the slide rail (9) form a track, and the slide rail (9) is fixed on the column (4); an upper die stabilizing frame (15) is fixedly mounted below the slide rail seat (11); An upper die seat installation groove (30) is formed in the middle of the die fixing frame (15), the upper die seat (17) is installed in the upper die seat installation groove (30), a clamping groove (24) is formed on the side wall of the upper die seat (17), a locking die pin groove (31) is formed on the upper die fixing frame (15) corresponding to the clamping groove (24), a locking die pin (27) is inserted in the locking die pin groove (31), a return spring (25) is sleeved on the locking die pin (27), a rear end of the return spring (25) is clamped on a clamping table (33) in the locking die pin groove (31), and a front end is clamped on a clamping block (32) at the rear end of the locking die pin (27), and a handle (26) is provided at the rear end of the extended part of the locking die pin (27); the upper die (16) is fixedly mounted on the upper die seat (17); The lower hydraulic mechanism comprises: a lower fixing plate (5) is fixedly mounted under the column (4); an upper cover plate (8) of a quenching oil pool (6) is fixedly mounted under the lower fixing plate (5); the quenching oil pool (6) is connected to an oil delivery channel (28) through a pipeline; the oil delivery channel (28) is arranged inside the lower fixing plate (5) and is connected thereto; a core lifting cylinder body (7) is fixed to the lower fixing plate (5) through a lower connecting plate (19); a core lifting cylinder plug passes through the lower fixing plate (5), a lower fixing plate sealing cover (18), and a lower mold (23) and is fixedly connected to the mold core (20); the lower fixing plate (5), the lower fixing plate sealing cover (18), and the lower mold (23) are fixedly connected in sequence and are provided with interconnected quenching oil channels (34); and a plurality of oil outlets (21) are provided in the longitudinal and transverse directions of the mold core (20); An oil return passage (29) communicating with the quenching oil pool (6) is provided on the lower fixing plate (5) and the lower fixing plate sealing cover (18) corresponding to the outer sides of the upper and lower dies.