阅读说明：本技术 一种转向机扭杆制作工艺 (Manufacturing process of torsion bar of steering machine ) 是由 谭佳 王少华 李闪 陈晓寅 叶金慧 于 2021-07-28 设计创作，主要内容包括：本申请涉及一种转向机扭杆制作工艺,包括步骤S1、对扭杆毛坯进行调质处理；S2、上料,将扭杆毛坯安装固定在车削设备上；S3、对扭杆毛坯进行车削,并车出倒角和密封槽；S4、将扭杆毛坯安装固定在磨削设备上进行磨削,得到扭杆成品；S5、对扭杆成品进行清洗和包装。本申请的转向机扭杆制作工艺相对于传统的转向机扭杆制作工艺减少了加工工序,减少了对扭杆毛坯的安装定位次数,从而减少了安装定位引起的误差,提高了生产效率。(The application relates to a steering machine torsion bar manufacturing process, which comprises the steps of S1, carrying out thermal refining on a torsion bar blank; s2, feeding, namely mounting and fixing the torsion bar blank on turning equipment; s3, turning the torsion bar blank, and turning a chamfer and a sealing groove; s4, mounting and fixing the torsion bar blank on grinding equipment for grinding to obtain a finished torsion bar product; and S5, cleaning and packaging the finished torsion bar product. Compared with the traditional steering machine torsion bar manufacturing process, the manufacturing process of the steering machine torsion bar reduces the machining procedures and reduces the mounting and positioning times of the torsion bar blank, thereby reducing errors caused by mounting and positioning and improving the production efficiency.)

1. A steering engine torsion bar manufacturing process is characterized in that: the method comprises the following steps of S1, carrying out thermal refining on a torsion bar blank (1);

s2, feeding, namely mounting and fixing the torsion bar blank (1) on turning equipment;

s3, turning the torsion bar blank (1), and turning a chamfer and a sealing groove;

s4, mounting and fixing the torsion bar blank (1) on grinding equipment for grinding to obtain a finished torsion bar product;

and S5, cleaning and packaging the finished torsion bar product.

2. A process for manufacturing a torsion bar for a steering gear according to claim 1, wherein: when the torsion bar blank (1) is ground in the step S4, rough grinding is performed first, and then accurate grinding is performed.

3. A process for manufacturing a torsion bar for a steering gear according to claim 2, wherein: and a step S1.1 is also carried out between the steps S1 and S2, and the torsion bar blank (1) is subjected to shot blasting.

4. A process for manufacturing a torsion bar for a steering gear according to claim 1, wherein: and in the step S2, a torsion bar blank (1) is loaded by adopting a loading device.

5. A process for manufacturing a torsion bar for a steering gear according to claim 4, wherein: the feeding equipment comprises a material storage assembly for storing the torsion bar blank (1), a movable grabbing assembly and a controller for controlling the movable grabbing assembly to move, wherein the movable grabbing assembly can grab the torsion bar blank (1) in the material storage assembly and place the torsion bar blank (1) on turning equipment to be clamped and fixed.

6. A process for manufacturing a torsion bar for a steering gear according to claim 5, wherein: the storage assembly comprises a support frame (2) and a discharge box body (3) arranged at the upper end of the support frame (2), the discharge box body (3) is of a cuboid structure, a containing cavity for containing the torsion bar blank (1) is formed in the discharge box body (3), the discharge box body (3) comprises a bottom plate (31), two oppositely arranged first side plates (32) fixed on the support frame (2) and two second side plates (33) positioned between the two first side plates (32), one of the two second side plates (33) is fixedly connected between the two first side plates (32), a discharge hole (34) for the torsion bar blank (1) to pass through is formed in the lower part of the second side plate (33) fixedly connected between the two first side plates (32), the size of the discharge hole (34) meets the requirement that only one torsion bar blank (1) passes through at the same time, a rotating shaft (35) is further horizontally arranged right below the discharge hole (34), two ends of the rotating shaft (35) are respectively rotatably mounted on the two first side plates (32), one side of the bottom plate (31) is fixed on the rotating shaft (35), and the other side of the two second side plates (33) is fixedly connected to one side, far away from the rotating shaft (35), of the bottom plate (31); a support piece is further arranged below the bottom plate (31), the support piece is fixedly arranged on the support frame (2), and the support piece props against the bottom of the bottom plate (31) and enables the height of one side, connected with the rotating shaft (35), of the bottom plate (31) to be lower than the height of one side far away from the rotating shaft (35); a material taking table (6) is horizontally arranged below the discharge hole (34), two ends of the material taking table (6) are respectively fixed on the two first side plates (32), the material taking table (6) is in contact with the rotating shaft (35), the upper surface of the material taking table (6) and the rotating shaft (35) are located on the same horizontal plane, a stopping step (61) protruding upwards is arranged on the upper surface of the material taking table (6), the stopping step (61) is located on one side, far away from the discharge hole (34), of the material taking table (6), a material discharging position (62) is formed on the upper surface between the stopping step (61) and the rotating shaft (35), the material discharging position (62) can only accommodate one torsion bar blank (1), and the torsion bar blank (1) in the accommodating cavity can roll down to the material discharging position (62) along the discharge hole (34) under the action of gravity; get the position between material platform (6) both ends and still seted up and be convenient for remove and snatch grabbing groove (63) that the subassembly snatched torsion bar blank (1), snatch groove (63) and be located the one side of getting material platform (6) of keeping away from discharge gate (34), and snatch groove (63) and run through along vertical direction and get material platform (6).

7. A process for manufacturing a torsion bar for a steering gear according to claim 6, wherein: support piece is electric putter (5) of vertical setting, and the telescopic link of electric putter (5) can be vertical upwards stretch out, electric putter (5) with the controller electricity is connected, and the end rotation of overhanging of the telescopic link of electric putter (5) is provided with T shape shoring slider (51), and the axis of rotation of T shape shoring slider (51) is parallel with the axis of rotation of bottom plate (31), the bottom of bottom plate (31) has still been seted up and has been led to move complex T shape spout (52) with T shape shoring slider (51), and T shape shoring slider (51) are installed in T shape spout (52), and perpendicular to is followed in T shape spout (52) the direction of pivot (35) is extended.

8. A process for manufacturing a torsion bar for a steering gear according to claim 7, wherein: the one side that is used for of T shape shore slider (51) and the diapire contact of T shape spout (52) still fixedly is provided with pressure sensor, pressure sensor with the controller electricity is connected, storage assembly still includes feed preparation box (7), feed preparation box (7) is one side open-ended drawer column structure, the upper end of support frame (2) still fixedly is provided with two vertical branch poles (71), two vertical branch pole (71) interval sets up, still fixedly between two vertical branch poles (71) is provided with horizontally back shaft (72), back shaft (72) with pivot (35) are parallel, the bottom of feed preparation box (7) is close to open-ended one side and rotates and set up on back shaft (72), the opening side of feed preparation box (7) is located the top of ejection of compact box (3), the below of feed preparation box (7) still is provided with pneumatic cylinder (8), pneumatic cylinder (8) are connected with the controller electricity, the telescopic rod of the pneumatic cylinder (8) can vertically extend upwards, the overhanging end of the telescopic rod of the pneumatic cylinder (8) is rotatably provided with a T-shaped sliding block (81), the rotating axis of the T-shaped sliding block (81) is parallel to the rotating axis of the material preparation box body (7), the bottom of the material preparation box body (7) is further provided with a T-shaped groove (82) which is matched with the T-shaped sliding block (81) in a guiding and moving mode, the T-shaped sliding block (81) is installed in the T-shaped groove (82), the T-shaped groove (82) extends along the direction perpendicular to the supporting shaft (72), the material preparation box body (7) is provided with an initial position and a working position, the height of one side, close to the supporting shaft (72), of the material preparation box body (7) is higher than the height of one side, far away from the supporting shaft (72), of the material preparation box body (7) when the material preparation box body (7) is in the initial position, and the height of one side, close to the supporting shaft (72), of the material preparation box body (7) is lower than the height of one side, far away from the supporting shaft (72), of the material preparation box body (7) when the material preparation box body (7) is in the working position; the controller is provided with a pressure set value, and the controller is provided with a control program, when the pressure value detected by the pressure sensor is smaller than or equal to the pressure set value, the controller controls the telescopic rod of the pneumatic cylinder (8) to extend out to drive the material preparation box body (7) to move from the initial displacement to the working position, and the torsion bar blank (1) in the material preparation box body (7) is poured into the discharging box body (3).

Technical Field

The application relates to the field of torsion bars, in particular to a steering machine torsion bar manufacturing process.

Background

With the rapid development of the automobile industry, the production requirement of a torsion bar of a steering engine is more and more. In the prior art, a traditional steering machine torsion bar manufacturing process generally comprises the steps of firstly installing and fixing a torsion bar blank on turning equipment to turn a chamfer, then installing and fixing the torsion bar blank on grinding equipment to perform rough grinding, then installing and fixing the torsion bar blank on the turning equipment to perform turning, performing thermal refining treatment on the torsion bar blank after the turning is completed, then performing shot blasting treatment on the torsion bar blank, then performing fine grinding on the torsion bar blank, then installing and fixing the torsion bar blank on the turning equipment to turn a sealing groove to obtain a torsion bar finished product, and finally cleaning and packaging the torsion bar finished product.

The technical problem existing in the prior art is that the production process is multiple, and the torsion bar blank needs to be mounted and positioned for many times, so that the positioning error is easy to occur, and the production efficiency and the product precision are low.

Disclosure of Invention

In order to solve the technical problems of low production efficiency and low product precision of a torsion bar of a steering machine in the prior art, the application provides a manufacturing process of the torsion bar of the steering machine.

The steering engine torsion bar manufacturing process provided by the application adopts the following technical scheme:

a steering machine torsion bar manufacturing process comprises the steps of S1, carrying out thermal refining on a torsion bar blank;

s2, feeding, namely mounting and fixing the torsion bar blank on turning equipment;

s3, turning the torsion bar blank, and turning a chamfer and a sealing groove;

s4, mounting and fixing the torsion bar blank on grinding equipment for grinding to obtain a finished torsion bar product;

and S5, cleaning and packaging the finished torsion bar product.

By adopting the technical scheme, compared with the traditional steering machine torsion bar manufacturing process, the manufacturing process of the torsion bar of the steering machine has the advantages that the processing procedures are reduced, and the mounting and positioning times of a torsion bar blank are reduced, so that the errors caused by mounting and positioning are reduced, and the production efficiency and the product precision are improved.

Preferably, when the torsion bar blank is ground in step S4, the torsion bar blank is ground in a rough grinding process and then ground in a finish grinding process.

By adopting the technical scheme, the grinding precision is improved.

Preferably, a step S1.1 of shot-blasting the torsion bar blank is further provided between the steps S1 and S2.

By adopting the technical scheme, the fatigue strength of the torsion bar blank is improved.

Preferably, in step S2, a feeding device is used to feed the torsion bar blank.

By adopting the technical scheme, the working efficiency can be improved, and the labor intensity of workers is reduced.

Preferably, the feeding equipment comprises a storage assembly for storing the torsion bar blank, a movable grabbing assembly and a controller for controlling the movable grabbing assembly to move, wherein the movable grabbing assembly can grab the torsion bar blank in the storage assembly and place the torsion bar blank on turning equipment for clamping and fixing.

By adopting the technical scheme, the automatic feeding of the torsion bar blank can be realized.

Preferably, the material storage assembly comprises a support frame and a material discharging box body arranged at the upper end of the support frame, the material discharging box body is of a cuboid structure, a containing cavity for containing the torsion bar blank is formed in the material discharging box body, the material discharging box body comprises a bottom plate, the torsion bar blank discharging device comprises two oppositely arranged first side plates fixed on a supporting frame and two second side plates located between the two first side plates, wherein one of the two second side plates is fixedly connected between the two first side plates, a discharging port used for allowing a torsion bar blank to pass through is formed in the lower portion of the second side plate fixedly connected between the two first side plates, the size of the discharging port meets the requirement that only one torsion bar blank passes through at the same time, a rotating shaft is horizontally arranged right below the discharging port, two ends of the rotating shaft are respectively and rotatably installed on the two first side plates, one side of a bottom plate is fixed on the rotating shaft, and the other side of the two second side plates is fixedly connected to one side, far away from the rotating shaft, of the bottom plate; a support piece is also arranged below the bottom plate, the support piece is fixedly arranged on the support frame, and the support piece props against the bottom of the bottom plate and enables the height of the side, connected with the rotating shaft, of the bottom plate to be lower than the height of the side far away from the rotating shaft; a material taking table is horizontally arranged below the discharge port, two ends of the material taking table are respectively fixed on the two first side plates, the material taking table is in contact with the rotating shaft, the upper surface of the material taking table and the rotating shaft are positioned on the same horizontal plane, a stopping step protruding upwards is arranged on the upper surface of the material taking table, the stopping step is positioned on one side of the material taking table, which is far away from the discharge port, a material discharge position is formed on the upper surface between the stopping step and the rotating shaft, only one torsion bar blank can be accommodated at the same time in the material discharge position, and the torsion bar blank in the accommodating cavity can roll down to the material discharge position along the bottom plate through the discharge port under the action of gravity; get the position between the material platform both ends and still seted up the removal of being convenient for and snatched the subassembly and snatch the groove of snatching that the torsion bar blank snatched the trench and is located the one side of getting the material platform of keeping away from the discharge gate, and snatch the groove and run through along vertical direction and get the material platform.

Through adopting above-mentioned technical scheme, the workman can realize the ejection of compact in proper order of each torsion bar blank after pouring the torsion bar blank into and hold the intracavity, removes to snatch the subassembly and every snatch away a torsion bar blank from ejection of compact position, holds the torsion bar blank of intracavity and has one to roll down to the material level of discharging through the discharge gate along the bottom plate is automatic under the effect of gravity.

Preferably, support piece is the electric putter of vertical setting, and electric putter's telescopic link can be vertical upwards stretch out, electric putter with the controller electricity is connected, and the overhang end rotation of electric putter's telescopic link is provided with T shape shoring slider, and the axis of rotation of T shape shoring slider is parallel with the axis of rotation of bottom plate, the bottom of bottom plate still seted up with T shape shoring slider direction removal complex T shape spout, T shape shoring slider is installed in T shape spout, the T shape spout along the perpendicular to the direction of pivot is extended.

By adopting the technical scheme, when the torsion bar blank in the accommodating cavity is blocked and cannot roll to a discharging position through the discharging port, an operator can control the electric push rod to stretch up and down through the controller so that the torsion bar blank in the accommodating cavity shakes, and the torsion bar blank can roll smoothly; in addition, the inclination angle of the bottom plate can be adjusted by adjusting the extending length of the electric push rod, and further the component force of the torsion bar blank which is inclined downwards along the bottom plate can be adjusted.

Preferably, one side of the T-shaped top support sliding block, which is used for contacting with the bottom wall of the T-shaped sliding groove, is fixedly provided with a pressure sensor, the pressure sensor is electrically connected with the controller, the material storage assembly further comprises a material preparation box body, the material preparation box body is of a drawer-shaped structure with an opening on one side, the upper end of the support frame is further fixedly provided with two vertical supporting rods, the two vertical supporting rods are arranged at intervals, a horizontal supporting shaft is fixedly arranged between the two vertical supporting rods, the supporting shaft is parallel to the rotating shaft, the bottom of the material preparation box body is rotatably arranged on the supporting shaft near the opening on one side, the opening side of the material preparation box body is positioned above the material discharge box body, a pneumatic cylinder is further arranged below the material preparation box body, the pneumatic cylinder is electrically connected with the controller, a telescopic rod of the pneumatic cylinder can vertically extend upwards, the overhanging end of a telescopic rod of the pneumatic cylinder is rotatably provided with the T-shaped sliding block, the rotating axis of the T-shaped sliding block is parallel to the rotating axis of the material preparation box body, the bottom of the material preparation box body is also provided with a T-shaped groove which is in guiding movement fit with the T-shaped sliding block, the T-shaped sliding block is arranged in the T-shaped groove, the T-shaped groove extends along the direction perpendicular to the supporting shaft, the material preparation box body is provided with an initial position and a working position, the height of one side, close to the supporting shaft, of the material preparation box body is higher than that of one side, far away from the supporting shaft, when the material preparation box body is at the initial position, and the height of one side, close to the supporting shaft, of the material preparation box body is lower than that of one side, far away from the supporting shaft, of the material preparation box body when the material preparation box body is at the working position; the controller is provided with a pressure set value, the controller is provided with a control program, when the pressure value detected by the pressure sensor is smaller than or equal to the pressure set value, the controller controls the telescopic rod of the pneumatic cylinder to extend out to drive the material preparation box body to move from the initial displacement to the working position, and the torsion bar blank in the material preparation box body is poured into the discharging box body.

Through adopting above-mentioned technical scheme, when the torsion bar blank in the ejection of compact case reduces to a quantitative time, can empty the torsion bar blank in the feed preparation box in ejection of compact case automatically, prevent that the condition of equipment idle running from taking place after the torsion bar blank processing, also supply the torsion bar blank for the workman more time.

Drawings

FIG. 1 is a schematic flow chart illustrating a process for manufacturing a torsion bar of a steering gear according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a perspective view of a loading device used in a process for manufacturing a torsion bar of a steering gear according to an embodiment of the present application;

FIG. 3 is a schematic structural view from another perspective of the loading device of FIG. 2;

FIG. 4 is a schematic view of a partial structure of the charging device;

fig. 5 is a schematic structural view of the electric push rod and the T-shaped top support slider.

Description of reference numerals: 1. a torsion bar blank; 2. a support frame; 3. a discharging box body; 31. a base plate; 32. a first side plate; 33. a second side plate; 34. a discharge port; 35. a rotating shaft; 4. a mechanical arm; 5. an electric push rod; 51. a T-shaped top support slider; 52. a T-shaped chute; 6. a material taking table; 61. stopping the step; 62. discharging the material level; 63. a grabbing groove; 7. preparing a material box body; 71. a vertical strut; 72. a support shaft; 8. a pneumatic cylinder; 81. a T-shaped slider; 82. t-shaped grooves.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, the embodiment of the application discloses a steering machine torsion bar manufacturing process, which includes step S1, carrying out thermal refining on a torsion bar blank 1;

s1.1, carrying out shot blasting on the torsion bar blank 1;

s2, feeding, namely mounting and fixing the torsion bar blank 1 on turning equipment; in the embodiment, a feeding device is adopted to feed the torsion bar blank 1;

s3, turning the torsion bar blank 1, and turning a chamfer and a sealing groove;

s4, mounting and fixing the torsion bar blank 1 on grinding equipment for grinding, wherein during grinding, coarse grinding is carried out firstly, and then fine grinding is carried out, so that a torsion bar finished product is obtained;

and S5, cleaning and packaging the finished torsion bar product.

Referring to fig. 2 and 3, the feeding apparatus used in step S2 includes a stock assembly for storing torsion bar blanks 1, a movable gripper assembly, and a controller (not shown) for controlling the operation of the movable gripper assembly. The movable grabbing component can grab a torsion bar blank 1 in the material storage component and place the torsion bar blank 1 on turning equipment to clamp and fix. In this embodiment, the moving and grabbing component is a mechanical arm 4, the controller is a PLC, and the mechanical arm 4 is electrically connected with the controller. The mechanical arm 4 is a common device used in industrial assembly production, and therefore, the structure and principle thereof are not described in detail.

Referring to fig. 3 and 4, the magazine assembly includes a support frame 2 and a discharge box 3 disposed at an upper end of the support frame 2. The discharging box body 3 is of a cuboid structure, and a containing cavity for containing the torsion bar blank 1 is formed in the discharging box body 3. The discharging box body 3 comprises a bottom plate 31, two oppositely arranged first side plates 32 fixed on the supporting frame 2 and two second side plates 33 positioned between the two first side plates 32. One of the two second side plates 33 is fixedly connected between the two first side plates 32, a discharge hole 34 for passing the torsion bar blank 1 is formed in the lower portion of the second side plate 33 fixedly connected between the two first side plates 32, and the size of the discharge hole 34 is satisfied and only one torsion bar blank 1 is allowed to pass through.

Referring to fig. 2 and 4, a rotating shaft 35 is horizontally disposed right below the discharge port 34, and two ends of the rotating shaft 35 are respectively rotatably mounted on the two first side plates 32. One side of the bottom plate 31 is fixed on the rotating shaft 35, and the other of the two second side plates 33 is fixedly connected to one side of the bottom plate 31 far away from the rotating shaft 35. A support member is further arranged below the bottom plate 31, and the support member is fixedly arranged on the support frame 2. The support member is supported on the bottom of the bottom plate 31 such that the height of the bottom plate 31 on the side connected with the rotating shaft 35 is lower than the height of the bottom plate on the side far away from the rotating shaft 35. Specifically, support piece is vertical electric putter 5 that sets up, and electric putter 5's telescopic link can vertically upwards stretch out, and electric putter 5 is connected with the controller electricity. Referring to fig. 5 again, the overhanging end of the telescopic rod of the electric push rod 5 is rotatably provided with a T-shaped top support sliding block 51, and the rotation axis of the T-shaped top support sliding block 51 is parallel to the rotation axis of the bottom plate 31. The bottom of the bottom plate 31 is further provided with a T-shaped sliding groove 52 which is movably matched with the T-shaped top support sliding block 51 in a guiding manner, the T-shaped top support sliding block 51 is installed in the T-shaped sliding groove 52, and the T-shaped sliding groove 52 extends in a direction perpendicular to the rotating shaft 35. A pressure sensor (not shown in the figure) is also fixedly arranged on one side of the T-shaped top support sliding block 51, which is used for contacting with the bottom wall of the T-shaped sliding chute 52, and the pressure sensor is electrically connected with the controller.

With reference to fig. 2 and 4, a material taking table 6 is horizontally arranged below the material outlet 34, two ends of the material taking table 6 are fixed on the two first side plates 32 respectively, the material taking table 6 is in contact with the rotating shaft 35, and the upper surface of the material taking table 6 and the rotating shaft 35 are located on the same horizontal plane. The upper surface of the material taking table 6 is provided with a stopping step 61 protruding upwards, and the stopping step 61 is positioned on one side of the material taking table 6 far away from the material outlet 34. The upper surface between the stopping step 61 and the rotating shaft 35 forms a discharging position 62, the discharging position 62 can only accommodate one torsion bar blank 1, and the torsion bar blank 1 in the accommodating cavity can roll down to the discharging position 62 along the bottom plate 31 through the discharging hole 34 under the action of gravity. Get the position between the material platform 6 both ends and still seted up the arm 4 of being convenient for and snatch grabbing groove 63 of torsion bar blank 1, snatch groove 63 and be located the one side of getting material platform 6 of keeping away from discharge gate 34, and snatch groove 63 and run through along vertical direction and get material platform 6.

With continued reference to fig. 2 and 4, the magazine assembly further comprises a stock preparation case 7, the stock preparation case 7 being of a drawer-like structure with one side open. Two vertical supporting rods 71 are further fixedly arranged at the upper end of the supporting frame 2, and the two vertical supporting rods 71 are arranged at intervals. A horizontal support shaft 72 is fixedly arranged between the two vertical supporting rods 71, and the support shaft 72 is parallel to the rotating shaft 35. The bottom of the material preparation box body 7 is rotatably arranged on the supporting shaft 72 at one side close to the opening, and the opening side of the material preparation box body 7 is positioned above the discharging box body 3. The pneumatic cylinder 8 is further arranged below the material preparation box body 7, the pneumatic cylinder 8 is electrically connected with the controller, and a telescopic rod of the pneumatic cylinder 8 can vertically extend upwards. The overhanging end of the telescopic rod of the pneumatic cylinder 8 is rotatably provided with a T-shaped sliding block 81, and the rotating axis of the T-shaped sliding block 81 is parallel to the rotating axis of the material preparation box 7. The bottom of the stock preparation box body 7 is further provided with a T-shaped groove 82 which is movably matched with the T-shaped sliding block 81 in a guiding manner, the T-shaped sliding block 81 is arranged in the T-shaped groove 82, and the T-shaped groove 82 extends along the direction perpendicular to the supporting shaft 72. The material preparation box 7 has an initial position and a working position, the height of the side of the material preparation box 7 close to the support shaft 72 is higher than the height of the side far from the support shaft 72 when the material preparation box 7 is in the initial position, and the height of the side of the material preparation box 7 close to the support shaft 72 is lower than the height of the side far from the support shaft 72 when the material preparation box 7 is in the working position. The controller is provided with a pressure set value, and the controller is provided with a control program, when the pressure value detected by the pressure sensor is less than or equal to the pressure set value, the controller controls the telescopic rod of the pneumatic cylinder 8 to extend out to drive the material preparation box body 7 to move from the initial displacement to the working position, and the torsion bar blank 1 in the material preparation box body 7 is poured into the discharging box body 3.

The implementation principle of the embodiment of the application is as follows: compared with the traditional steering machine torsion bar manufacturing process, the manufacturing process of the steering machine torsion bar reduces the processing procedures and reduces the mounting and positioning times of the torsion bar blank 1, thereby reducing errors caused by mounting and positioning, and improving the production efficiency and the product precision; in addition, the torsion bar blanks 1 are fed by the feeding equipment, after workers pour the torsion bar blanks 1 into the containing cavity of the discharging box body 3, sequential discharging of the torsion bar blanks 1 can be realized, when the movable grabbing component grabs away one torsion bar blank 1 from the discharging position 62, the torsion bar blanks 1 in the containing cavity automatically roll to the discharging position 62 through the discharging hole 34 along the bottom plate 31 under the action of gravity, when the torsion bar blanks 1 in the containing cavity are reduced to a certain amount, the torsion bar blanks 1 in the material preparing box body 7 can be automatically poured into the discharging box body 3, the idle running of the equipment after the torsion bar blanks 1 are processed is prevented, the torsion bar blanks 1 are supplemented for more time of the workers, the working efficiency can be improved, and the labor intensity of the workers is reduced.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.