CN117344115A - Soaking heat treatment method for automobile steering knuckle after forging - Google Patents

Abstract

The invention relates to the technical field of metal heat treatment and discloses a soaking heat treatment method after forging an automobile steering knuckle, which comprises an equipment main body, wherein the front end of the equipment main body is rotationally connected with a power unit, the rear end of the power unit is fixedly connected with a propulsion unit, the side end of the propulsion unit is rotationally connected with a linkage unit, the bottom end of the linkage unit is fixedly connected with a cleaning unit, the interior of the equipment main body is slidably connected with a fine adjustment unit, the equipment main body comprises a base plate, the top surface of the base plate is provided with a recovery box, the top surface of the middle part of the base plate is fixedly provided with the fine adjustment box, a heating workpiece can be assisted to gradually move towards the interior of a heating box through the mutual matching of the power unit and the propulsion unit, the whole propelling work can be controlled only by providing power for a power motor, the equipment main body has a simple structure, and is very convenient to maintain and repair and maintenance cost, and solves the problem of a clamping phenomenon caused by inclination in the moving process of the heating workpiece.

Description

Soaking heat treatment method for automobile steering knuckle after forging

Technical Field

The invention relates to the technical field of metal heat treatment, in particular to a soaking heat treatment method after forging an automobile steering knuckle.

Background

Heat treatment generally refers to a metal hot working process in which materials are in a solid state by means of heating, insulating and cooling to obtain a desired structure and properties, and the effect of heat treatment is gradually known in the process of advancing from the stone age to the copper age and the iron age.

The knuckle is used to transmit and bear the front load of the automobile, support and drive the front wheel to rotate around the kingpin to steer the automobile, and bear variable impact load in the running state of the automobile, so that it is required to have high strength.

The existing soaking heat treatment method for the automobile steering knuckle after forging has the following problems in the implementation process of a technology related to application number 202210148925.5:

1. through the upset that makes a round trip of aluminum alloy, make the heated area that improves aluminum alloy, the height of supporting the upper plate is improved through supporting spring, make aluminum alloy be in the state of slope, it is heavy because the high thrust that is not enough to produce more than frictional force through improving supporting the upper plate makes the heating work piece gradually remove to keeping away from the one end of supporting the upper plate to make aluminum alloy swing, generally remove the heating work piece through extra equipment, but extra equipment structure is complicated, energy consumption and cost are higher, daily maintenance and repair are very inconvenient.

2. The inside of putting into the heating frame with the one end of aluminum alloy through the processing groove, keep away from the inside of heating frame and place at the support upper plate with the one end of aluminum alloy on, in-process in the cylindrical hole in the heating frame is got into to the heating work piece, because the friction between heating work piece and the hole outer fringe can produce a certain amount of impurity, do not clear up the impurity and be easy oxidation reaction in the air for a long time, and then influence the heating treatment work of next heating work piece, and the impurity can pile up gradually at the hole outer fringe and be difficult to clear up, generally through the manual work at the heating clearance, perhaps stop the process and reduce the temperature and just can further clear up, need to pause to handle and spend longer time, the inefficiency, manpower and materials cause the waste easily.

Disclosure of Invention

The invention aims to provide a soaking heat treatment method for an automobile steering knuckle after forging so as to solve the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the method for soaking heat treatment after forging of the automobile steering knuckle comprises an equipment main body, wherein the front end of the equipment main body is rotationally connected with a power unit, the rear end of the power unit is fixedly connected with a propulsion unit, the side end of the propulsion unit is rotationally connected with a linkage unit, the bottom end of the linkage unit is fixedly connected with a cleaning unit, and the interior of the equipment main body is slidably connected with a fine adjustment unit.

Preferably, the equipment main body comprises a base plate, a recovery box is arranged on the top surface of the base plate, a fine adjustment box is fixedly arranged on the top surface of the middle part of the base plate, and a heating box is fixedly connected to the rear end of the fine adjustment box.

Preferably, the power unit comprises a power motor, power motor output fixedly connected with power gear, power gear top meshing is connected with the driving gear, driving gear rear end fixedly connected with driven gear, driven gear top meshing is connected with the telescopic link, the inside pneumatic cylinder that fixedly is provided with of telescopic link, pneumatic cylinder telescopic link fixedly connected with rotates the worm, rotate the worm rotation and connect inside the fixed plate, rotate screw bottom meshing and be connected with propulsion unit.

Preferably, the propulsion unit comprises a propulsion worm wheel, the top end of the propulsion worm wheel is in meshed connection with the bottom end of a rotating worm, the side end of the propulsion worm wheel is fixedly connected with a friction runner, two propulsion plates are fixedly connected with the middle of a base plate, a propulsion cylinder is rotationally connected with the middle of the two propulsion plates, the outside of the propulsion cylinder and the outside of the friction runner are in sliding connection with a propulsion crawler, the top end of the propulsion cylinder is rotationally connected with an auxiliary gear, the outer sides of the auxiliary gear and the propulsion cylinder are sleeved with a connection crawler, the top end of the auxiliary gear is in meshed connection with a gear column, and the outside of the gear column is fixedly connected with a linkage unit.

Preferably, the linkage unit comprises a pushing bevel gear, the side end of the pushing bevel gear is in meshed connection with the linkage bevel gear, the rear end of the linkage bevel gear is fixedly connected with a connecting bevel gear, the bottom end of the connecting bevel gear is in meshed connection with a ratchet bevel gear, four ratchet springs are fixedly connected inside the ratchet bevel gear, ratchet teeth are fixedly connected inside the ratchet springs, a rotating ratchet column is clamped inside the ratchet teeth, and a cleaning unit is fixedly connected to the bottom end of the rotating ratchet column.

Preferably, the cleaning unit comprises two fixing frames, two fixedly connected with clearance fixed plate between the fixing frames, clearance fixed plate inboard outside rotates and is connected with the clearance gear, clearance gear top fixed connection is rotating ratchet post bottom, clearance gear side meshing is connected with reciprocating gear, reciprocating gear and clearance gear all rotate and connect inside the translation board, reciprocating gear top rotates and is connected with the axis of rotation, the axis of rotation outside rotates and connects inside the reciprocating plate, the reciprocating plate runs through clearance fixed plate and with high Wen Qingli brush fixedly connected with, high temperature clearance brush bottom fixedly connected with connecting rod, connecting rod bottom fixedly connected with clearance plate.

Preferably, the fine tuning unit comprises twelve fine tuning devices, a fine tuning frame is fixedly connected to the outer side of each fine tuning device, a fine tuning gear is rotatably connected to the outer side of each fine tuning frame, a fine tuning knob is fixedly connected to the outer side of each fine tuning gear, a fine tuning clamping toothed plate is connected to the side end of each fine tuning gear in a meshed mode, and the fine tuning clamping toothed plates are fixedly connected to the inner side of each fine tuning box.

Preferably, the fine adjustment device comprises a spring telescopic column, the top end of the spring telescopic column is fixedly connected with an adjusting plate, one end of the adjusting plate is fixedly connected with a fixing plate, the other end of the adjusting plate is fixedly connected with a motor plate, and the fine adjustment column is rotationally connected between the electrode plate and the fixing plate.

(one) advantageous effects

Compared with the prior art, the invention provides a soaking heat treatment method after forging an automobile steering knuckle, which has the following beneficial effects:

1. according to the soaking heat treatment method after the automobile steering knuckle is forged, through the mutual matching of the power unit and the propulsion unit, the heating workpiece can be assisted to gradually move towards the inside of the heating box on the equipment main body, the whole propelling work can be controlled only by providing power for the power motor, the structure is simple, the maintenance and repair cost is very convenient, and the time and labor can be saved while the efficient mechanical operation is realized.

2. According to the soaking heat treatment method after forging the automobile steering knuckle, the cleaning unit, the propelling unit and the linkage unit are matched with each other, so that a workpiece can normally move in the entering process, when the propelling unit is reset in the complete entering process, the outer edge of a hole of the fine adjustment box is cleaned, long-term accumulation of impurities outside the hole can be avoided, normal operation of equipment is affected, cleaning work can be completed without manual operation, cleaning and impurity removal are efficiently performed, and time and labor are saved.

3. According to the soaking heat treatment method after forging the automobile steering knuckle, through the work of the fine adjustment unit, the position of a hole of a workpiece is offset due to accumulation of time and accumulation of times in the process of moving the workpiece inwards, so that the workpiece is blocked in the moving process, the position of the fine adjustment unit is adjusted only through the fine adjustment knob, the workpiece position is corrected, normal work is quickly restored, and friction damage or blocking of the workpiece is avoided.

Drawings

The invention will be further described with reference to the drawings and examples.

Fig. 1 is a front perspective view of a structure.

Fig. 2 is a rear perspective view of the structure.

Fig. 3 is a perspective view of a power unit.

Fig. 4 is a perspective view of the propulsion unit.

Fig. 5 is a perspective view of the cleaning unit.

Fig. 6 is a top plan view of the interior of the cleaning unit.

Fig. 7 is a perspective view of the fine adjustment unit.

Fig. 8 is a perspective view of the fine adjustment device.

In the figure: 1. an apparatus main body; 101. a base plate; 102. a recovery box; 103. a fine tuning box; 104. a heating box; 2. a power unit; 201. a power motor; 202. a power gear; 203. a drive gear; 204. a driven gear; 205. a telescopic gear; 206. a hydraulic cylinder; 207. rotating the worm; 208. a fixing plate; 3. a propulsion unit; 301. propelling the worm wheel; 302. a friction wheel; 303. a propulsion plate; 304. propelling the cylinder; 305. propelling the track; 306. an auxiliary gear; 307. connecting the crawler belt; 308. a gear post; 4. a linkage unit; 401. pushing the umbrella teeth; 402. linkage umbrella teeth; 403. connecting umbrella teeth; 404. ratchet umbrella teeth; 405. a ratchet spring; 406. a ratchet; 407. rotating the ratchet column; 5. a cleaning unit; 501. a fixing frame; 502. cleaning a fixing plate; 503. cleaning a gear; 504. a reciprocating gear; 505. a translation plate; 506. a rotating shaft; 507. a shuttle plate; 508. high Wen Qingli brush; 509. a connecting rod; 510. a cleaning plate; 6. a fine tuning unit; 601. a fine tuning frame; 602. fine tuning the gear; 603. a fine tuning knob; 604. fine tuning of the tooth plate; 7. a fine tuning device; 701. a spring telescoping column; 702. an adjustment plate; 703. a stabilizing plate; 704. a motor plate; 705. and (5) fine tuning the column.

Detailed Description

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, a soaking heat treatment method after forging an automobile steering knuckle comprises an equipment main body 1, wherein the front end of the equipment main body 1 is rotationally connected with a power unit 2, the rear end of the power unit 2 is fixedly connected with a propulsion unit 3, the side end of the propulsion unit 3 is rotationally connected with a linkage unit 4, the bottom end of the linkage unit 4 is fixedly connected with a cleaning unit 5, and a fine adjustment unit 6 is slidably connected inside the equipment main body 1.

Referring to fig. 1 and 2, the apparatus main body 1 includes a base plate 101, a recovery box 102 is provided on a top surface of the base plate 101, a fine tuning box 103 is fixedly provided on a top surface of a middle portion of the base plate 101, and a heating box 104 is fixedly connected to a rear end of the fine tuning box 103.

Referring to fig. 3, the power unit 2 includes a power motor 201, an output end of the power motor 201 is fixedly connected with a power gear 202, a driving gear 203 is engaged and connected to a top end of the power gear 202, a driven gear 204 is fixedly connected to a rear end of the driving gear 203, a telescopic gear 205 is engaged and connected to a top end of the driven gear 204, a hydraulic cylinder 206 is fixedly arranged inside the telescopic gear 205, a rotating worm 207 is fixedly connected to a telescopic end of the hydraulic cylinder 206, the rotating worm 207 is rotatably connected to an inside a fixing plate 208, and a propulsion unit 3 is engaged and connected to a bottom end of the rotating worm.

Referring to fig. 4, the propulsion unit 3 includes a propulsion worm wheel 301, the top end of the propulsion worm wheel 301 is engaged with and connected to the bottom end of the rotating worm 207, the side end of the propulsion worm wheel 301 is fixedly connected with a friction wheel 302, the middle part of the base plate 101 is fixedly connected with two propulsion plates 303, a propulsion cylinder 304 is rotatably connected between the two propulsion plates 303, the propulsion cylinder 304 and the outer side of the friction wheel 302 are slidably connected with a propulsion crawler 305, the top end of the propulsion cylinder 304 is rotatably connected with an auxiliary gear 306, the outer sides of the auxiliary gear 306 and the propulsion cylinder 304 are sleeved with a connection crawler 307, the top end of the auxiliary gear 306 is engaged with and connected with a gear column 308, and the outer side of the gear column 308 is fixedly connected with a linkage unit 4.

Referring to fig. 4 and 5, the linkage unit 4 includes a pushing bevel gear 401, a side end of the pushing bevel gear 401 is engaged with a linkage bevel gear 402, a rear end of the linkage bevel gear 402 is fixedly connected with a connecting bevel gear 403, a bottom end of the connecting bevel gear 403 is engaged with a ratchet bevel gear 404, four ratchet springs 405 are fixedly connected inside the ratchet bevel gear 404, ratchet teeth 406 are fixedly connected inside the ratchet springs 405, a rotating ratchet column 407 is clamped inside the ratchet teeth 406, and a cleaning unit 5 is fixedly connected at the bottom end of the rotating ratchet column 407.

Referring to fig. 5 and 6, the cleaning unit 5 includes two fixing frames 501, two fixing frames 501 are fixedly connected with a cleaning fixing plate 502, a cleaning gear 503 is rotatably connected to the outside of the inner side of the cleaning fixing plate 502, the top of the cleaning gear 503 is fixedly connected to the bottom end of a rotating ratchet post 407, the side end of the cleaning gear 503 is in meshed connection with a reciprocating gear 504, the reciprocating gear 504 and the cleaning gear 503 are both rotatably connected to the inside of a translation plate 505, the top of the reciprocating gear 504 is rotatably connected with a rotating shaft 506, the outside of the rotating shaft 506 is rotatably connected to the inside of a reciprocating plate 507, the reciprocating plate 507 penetrates through the cleaning fixing plate 502 and is fixedly connected with a high Wen Qingli brush 508, the bottom end of the high-temperature cleaning brush 508 is fixedly connected with a connecting rod 509, and the bottom end of the connecting rod 509 is fixedly connected with a cleaning plate 510.

Referring to fig. 7, the fine adjustment unit 6 includes twelve fine adjustment devices 7, wherein fine adjustment frames 601 are fixedly connected to the outer sides of the fine adjustment devices 7, fine adjustment gears 602 are rotatably connected to the outer sides of the fine adjustment frames 601, fine adjustment knobs 603 are fixedly connected to the outer sides of the fine adjustment gears 602, fine adjustment toothed plates 604 are engaged and connected to the side ends of the fine adjustment gears 602, and the fine adjustment toothed plates 604 are fixedly connected to the fine adjustment box 103.

Referring to fig. 8, the fine adjustment device 7 includes a spring expansion column 701, an adjustment plate 702 is fixedly connected to the top end of the spring expansion column 701, a stabilizing plate 703 is fixedly connected to one end of the adjustment plate 702, a motor plate 704 is fixedly connected to the other end of the adjustment plate 702, and a fine adjustment column 705 is rotatably connected between the electrode plate and the fixing plate 208.

In summary, in the present invention, the heated workpiece is placed inside the pushing cylinder 304 and the gear column 308 of the recommending unit, and a section of the workpiece far from the heating box 104 is placed in the circular groove at the rear end of the rotating worm 207, the power motor 201 is started, the power gear 202 is driven to rotate, the driving gear 203 is driven to rotate, the driven gear 204 is driven to rotate, the telescopic gear 205 is driven to rotate, the rotating worm 207 is driven to gradually push the workpiece into the fine tuning box 103 through threads in the fixing plate 208, meanwhile, the rotating worm 207 drives the pushing worm wheel 301 to rotate, the friction runner 302 is driven to rotate, the pushing cylinder 304 is driven to rotate through the pushing track 305, and the gear column 308 is driven to rotate through the connecting track 307, so that the workpiece can move more stably into the heating box 104.

According to the invention, when the gear column 308 rotates, the outer pushing bevel gear 401 is driven to rotate, the linkage bevel gear 402 is driven to rotate, the connecting bevel gear 403 is driven to rotate, the ratchet bevel gear 404 is driven to rotate, the inner ratchet 406 and the ratchet column are driven to rotate in a unidirectional way, the structure is the same as that of a conventional ratchet, the ratchet bevel gear 404 drives the bottom cleaning gear 503 to eccentrically rotate, the reciprocating gear 504 is driven to reciprocate through the translation plate 505, the reciprocating gear 504 is driven to rotate through the meshing of the cleaning gear 503 and the reciprocating gear 504, the rotating shaft 506 at the top end of the reciprocating gear 504 is driven to rotate, the rotating shaft 506 is driven to reciprocate the translation plate 507, the high Wen Qingli brush 508 can clean the outer wall of the fine adjustment box 103 after a workpiece enters, and the cleaned impurities on the outer wall fall on the top surface of the base plate 101, the cleaned impurities are cleaned on the top surface of the base plate 101 through the cleaning plate 510 and are recovered by the recovery box 102.

In the invention, after a workpiece completely enters the fine adjustment box 103, the propulsion unit 3 can reversely rotate to return to the original position to wait for the next workpiece, the ratchet umbrella teeth 404 are not driven to rotate before the workpiece enters, and then the cleaning unit 5 is not driven to clean, and when the power unit 2 reversely rotates, the ratchet umbrella teeth 404 normally rotate and drive the cleaning unit 5 to clean, so that the cleaning unit 5 and the workpiece are prevented from being blocked in the moving process.

When the invention is used for a long time, because the weight of a workpiece is heavier, the workpiece hole is easily offset in the trimming box 103 by repeatedly pressing, so that the workpiece is rubbed with the hole in the trimming box 103 and the hole in the heating box 104, and the special condition of damaging the outer wall of the workpiece is further solved, the problem can be adjusted through the trimming unit 6, the trimming gear 602 is rotated through the trimming knob 603, the trimming gear 602 is further lifted and lowered on the trimming clamping toothed plate 604, the trimming frame 601 is further lifted and lowered to be trimmed, the weight of the workpiece is further buffered through the spring telescopic column 701, meanwhile, the friction damage is reduced under the rotation of the trimming column 705, and when the friction force of the workpiece is larger or the weight is larger and is difficult to move, the motor plate 704 of the trimming device 7 can be started through remote control to actively drive the trimming column 705 to move inwards, so that the workpiece heating process is more smoothly prevented from being blocked.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The above-described specific meanings belonging to the present invention will be understood in detail by those skilled in the art.

Standard parts used in the invention can be purchased from the market, and special-shaped parts can be customized according to the description of the specification and the drawings.

The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.

Claims (8)

1. The method for soaking heat treatment after forging of the automobile steering knuckle comprises an equipment main body (1) and is characterized in that: the device comprises a device main body (1), wherein the front end of the device main body (1) is rotationally connected with a power unit (2), the rear end of the power unit (2) is fixedly connected with a propulsion unit (3), the side end of the propulsion unit (3) is rotationally connected with a linkage unit (4), the bottom end of the linkage unit (4) is fixedly connected with a cleaning unit (5), and a fine adjustment unit (6) is slidably connected inside the device main body (1);

the equipment body (1) comprises a base plate (101), a recovery box (102) is arranged on the top surface of the base plate (101), a fine adjustment box (103) is fixedly arranged on the top surface of the middle of the base plate (101), and the rear end of the fine adjustment box (103) is fixedly connected with a heating box (104).

2. The method for soaking after forging a steering knuckle for an automobile according to claim 1, wherein: the power unit (2) comprises a power motor (201), a power gear (202) is fixedly connected to the output end of the power motor (201), a driving gear (203) is connected to the top end of the power gear (202) in a meshed mode, a driven gear (204) is fixedly connected to the rear end of the driving gear (203), a telescopic gear (205) is connected to the top end of the driven gear (204) in a meshed mode, a hydraulic cylinder (206) is fixedly arranged inside the telescopic gear (205), a rotating worm (207) is fixedly connected to the telescopic end of the hydraulic cylinder (206), the rotating worm (207) is rotatably connected to the inside of a fixed plate (208), and a propulsion unit (3) is connected to the bottom end of the rotating worm in a meshed mode.

3. The method for soaking after forging a steering knuckle for an automobile according to claim 1, wherein: propulsion unit (3) are including impelling worm wheel (301), impelling worm wheel (301) top meshing connection is in rotation worm (207) bottom, impelling worm wheel (301) side fixedly connected with friction runner (302), two propulsion board (303) of base plate (101) middle part fixedly connected with, two middle part rotation is connected with propulsion cylinder (304) between propulsion board (303), propulsion cylinder (304) and friction runner (302) outside sliding connection have propulsion track (305), propulsion cylinder (304) top rotation is connected with auxiliary gear (306), auxiliary gear (306) and propulsion cylinder (304) outside cover are equipped with connection track (307), auxiliary gear (306) top meshing connection has gear post (308), gear post (308) outside fixedly connected with linkage unit (4).

4. The method for soaking after forging a steering knuckle for an automobile according to claim 1, wherein: linkage unit (4) are including advancing bevel gear (401), advance bevel gear (401) side meshing and be connected with linkage bevel gear (402), linkage bevel gear (402) rear end fixedly connected with connects bevel gear (403), connect bevel gear (403) bottom meshing and be connected with ratchet bevel gear (404), four ratchet spring (405) of inside fixedly connected with of ratchet bevel gear (404), four ratchet spring (405) inboard fixedly connected with ratchet (406), ratchet (406) inboard joint has rotation ratchet post (407), rotation ratchet post (407) bottom fixedly connected with cleaning unit (5).

5. The method for soaking after forging a steering knuckle for an automobile according to claim 1, wherein: the cleaning unit (5) comprises two fixing frames (501), two fixing frames (501) are fixedly connected with a cleaning fixing plate (502), the cleaning fixing plate (502) is connected with a cleaning gear (503) in an outside rotating mode, the top of the cleaning gear (503) is fixedly connected with the bottom end of a rotating ratchet column (407), the side end of the cleaning gear (503) is connected with a reciprocating gear (504) in a meshed mode, the reciprocating gear (504) and the cleaning gear (503) are both connected inside a translation plate (505) in a rotating mode, the top of the reciprocating gear (504) is connected with a rotating shaft (506) in a rotating mode, the outer side of the rotating shaft (506) is connected inside the reciprocating plate (507) in a rotating mode, the reciprocating plate (507) penetrates through the cleaning fixing plate (502) and is fixedly connected with a high Wen Qingli brush (508), the bottom end of the high-temperature cleaning brush (508) is fixedly connected with a connecting rod (509), and the bottom of the connecting rod (509) is fixedly connected with the cleaning plate (510).

6. The method for soaking after forging a steering knuckle for an automobile according to claim 1, wherein: the fine adjustment unit (6) comprises twelve fine adjustment devices (7), twelve fine adjustment frames (601) are fixedly connected to the outer sides of the fine adjustment devices (7), fine adjustment gears (602) are rotatably connected to the outer sides of the fine adjustment frames (601), fine adjustment knobs (603) are fixedly connected to the outer sides of the fine adjustment gears (602), fine adjustment clamping toothed plates (604) are connected to the side ends of the fine adjustment gears (602) in a meshed mode, and the fine adjustment clamping toothed plates (604) are fixedly connected to the inside of the fine adjustment boxes (103).

7. The method for soaking after forging a steering knuckle for an automobile according to claim 6, wherein: the fine adjustment device (7) comprises a spring telescopic column (701), an adjusting plate (702) is fixedly connected to the top end of the spring telescopic column (701), a fixing plate (208) is fixedly connected to one end of the adjusting plate (702), a motor plate (704) is fixedly connected to the other end of the adjusting plate (702), and a fine adjustment column (705) is rotatably connected between the electrode plate and the fixing plate (208).

8. The method for soaking after forging a steering knuckle for an automobile according to claim 7, wherein: the specific implementation steps of the soaking heat treatment method after the automobile steering knuckle is forged are as follows:

s1: put into the promotion cylinder (304) and the gear post (308) inboard of recommending unit with the heating work piece to keep away from the one section of heating cabinet (104) and place in the circular slot of rotation worm (207) rear end with the work piece, start power motor (201), and then drive power gear (202) and rotate, and then drive driving gear (203) and rotate, and then drive driven gear (204) and rotate, and then drive expansion gear (205) and rotate, and then drive rotation worm (207) and push gradually the work piece into fine setting cabinet (103) through the screw thread in fixed plate (208), simultaneously rotation worm (207) drive impel worm wheel (301) and rotate, and then drive rotation of propulsion cylinder (304) through impelling track (305), and then drive gear post (308) through connecting track (307) and rotate, make the work piece can more stable to the inside removal of heating cabinet (104).

S2: when the gear column (308) rotates, the outside propulsion bevel gear (401) is driven to rotate, the linkage bevel gear (402) is driven to rotate, the connection bevel gear (403) is driven to rotate, the ratchet bevel gear (404) is driven to rotate, unidirectional rotation occurs between the inner ratchet (406) and the ratchet column, the structure is the same as that of a conventional ratchet, the ratchet bevel gear (404) drives the bottom cleaning gear (503) to eccentrically rotate, the reciprocating gear (504) is driven to reciprocate through the translation plate (505), the reciprocating gear (504) is driven to rotate through meshing of the cleaning gear (503) and the reciprocating gear (504), the top rotating shaft (506) is driven to rotate, the rotating shaft (506) is driven to reciprocate to translate, the high Wen Qingli brush (508) can clean the outer wall of the fine adjustment box (103) after a workpiece enters, and the cleaned impurity on the outer wall can drop on the top surface of the base plate (101) through the cleaning plate (510), and the cleaned impurity is recovered by the recovery plate (102).

S3: after the workpiece completely enters the fine adjustment box (103), the propulsion unit (3) can reversely rotate to return to the original position to wait for the next workpiece, the ratchet umbrella teeth (404) cannot be driven to rotate before the workpiece enters, and then the cleaning unit (5) cannot be driven to clean, and after the power unit (2) reversely rotates, the ratchet umbrella teeth (404) normally rotate and drive the cleaning unit (5) to clean, so that the cleaning unit (5) and the workpiece are prevented from being blocked in the moving process.

S4: when long-time use, because work piece self weight is heavier, press the inside work piece hole that makes easily of fine setting case (103) to take place the skew repeatedly, lead to the work piece to rub with the inside hole of fine setting case (103) and the inside hole of heating cabinet (104), and then damage the special circumstances of work piece outer wall, this problem can be adjusted through fine setting unit (6), rotate fine setting gear (602) through fine setting knob (603) and rotate, and then make fine setting gear (602) go up and down on fine setting card pinion rack (604), and then make fine setting frame (601) go up and down to finely tune, and then the weight of buffering work piece through spring expansion post (701), reduce the damage of friction simultaneously under the rotation of fine setting post (705), when work piece frictional force is great or weight is great and is difficult to remove, the motor board (704) initiative drive fine setting post (705) of accessible remote control start fine setting device (7) rotates, drive work piece is to inside removal, make work piece heating process avoid the card to hang down more smoothly.