CN107962347B - Production process of braking system part - Google Patents

Abstract

The invention discloses a production process of a braking system part, which comprises the following steps: (1) melting raw materials; (2) die casting; (3) cutting the material handle; (4) shot blasting; (5) drilling an inclined hole; (6) four-axis machining; (7) passivating; (8) and (6) checking. The invention has automatic operation, high working efficiency and low production cost; four shaft holes of the workpiece are processed simultaneously, time consumption during processing is greatly shortened, and working efficiency is further improved.

Description

Production process of braking system part

Technical Field

The invention belongs to the technical field of automobile parts, and particularly relates to a production process of a braking system part.

background

An anti-lock brake system is usually installed on a modern automobile, and the ABS has the braking function of a common braking system and can prevent wheels from being locked, so that the automobile can still steer in a braking state, the stability of the braking direction of the automobile is ensured, and sideslip and deviation are prevented. In order to improve the effect, the die-cast aluminum alloy valve body is widely applied. Four shaft holes need to be arranged on the valve body, so that the four shaft holes need to be processed in sequence after the valve body is formed in a die-casting mode, the consumed time is long, and the working efficiency is underground.

disclosure of Invention

the invention provides a production process of a brake system part with high working efficiency in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a process for manufacturing a brake system component, comprising the steps of:

(1) Melting raw materials: selecting an aluminum block with the density of more than 2.4g/cm3, and melting the aluminum block in a melting furnace to a molten state to prepare aluminum liquid; then, nitrogen is injected into the aluminum liquid through a rotary degassing machine, and gas in the aluminum liquid is removed;

(2) Die casting: injecting the aluminum liquid prepared in the step (1) into a workpiece die, and performing die-casting forming through a pressure casting machine to prepare a workpiece blank; before die casting, a mold release agent is coated on a punch and a mold;

(3) Cutting a material handle: cutting off a material handle of the workpiece blank by using cutting equipment;

(4) shot blasting: removing burrs on the surface of the workpiece blank by a file, and then performing shot blasting treatment on the workpiece blank by adopting a stainless steel shot with the diameter of 3mm, wherein the shot blasting time is 4-7 min;

(5) Drilling an inclined hole: drilling a left inclined hole on a workpiece blank by an inclined hole drilling device, adjusting the position of the workpiece blank, and drilling a right inclined hole on the workpiece blank by the inclined hole drilling device;

(6) Four-axis processing: milling, threading, drilling, polishing and deburring four shaft holes of the workpiece blank processed in the step (5) by adopting integrated four-shaft processing equipment to obtain a workpiece;

(7) Passivation: passivating the surface of the workpiece processed in the step (6);

(8) and (4) checking: and (5) performing burr detection and surface passivation detection on the workpiece processed in the step (7), and obtaining a finished workpiece product after the workpiece is qualified.

According to the invention, the workpiece is automatically processed through equipment, and the equipment is adopted for die casting, shot blasting, deburring, drilling and four-axis processing, so that the automation of the whole production process is realized, the working efficiency is greatly improved, the labor input is reduced, and the production cost is reduced; in the machining process, four shaft holes of the workpiece can be directly machined simultaneously through the integrated four-shaft machining equipment, so that the machining time is shortened to original 1/4, the time occupied by the step is greatly shortened, and the working efficiency is improved; and because the four shaft holes do not need to be processed separately, the equipment for processing the shaft holes can be reduced, the processing cost is reduced, and the occupation of the equipment on the working production area is also reduced.

further, the burr detection is that whether burrs exist on the surface of the workpiece, the threaded hole and the inclined hole or not is observed manually, and if the burrs exist, the burrs are removed through a fine-tooth file; the outer surface of the workpiece, the shaft hole and the like are guaranteed not to have burrs, and the workpiece is prevented from being scratched to other parts after being applied to an ABS system.

Further, the surface passivation detection is to detect the workpiece for 72 hours by adopting a salt spray test; the surface of the workpiece is ensured to have good corrosion prevention effect, and the service life is longer.

Further, the release agent is obtained by mixing a lubricant and a release agent in a ratio of 1: 90-120; the lubricating property is good, the workpiece is effectively prevented from being adhered to a punch or a die, and the demoulding operation of the workpiece after die-casting is easier.

Furthermore, the integrated four-axis machining equipment comprises a clamp fixing station, a driving piece and a machining cutter set, wherein the driving piece is used for driving the clamp fixing station to rotate; after the workpiece is fixed through the fixture fixing station, the workpiece is automatically machined through the machining cutter group, so that the operation is simple and convenient, and the working efficiency is high; through the rotation of the fixed station of anchor clamps, can be rotatory to the position that supplies the processing knife tackle to process with the disalignment hole of work piece to the processing to four shaft holes of work piece can be realized through the operation of an equipment, and the shortening of very big degree is processed consuming time, has reduced manufacturing procedure.

Furthermore, the processing cutter set comprises a turntable arranged above the fixture fixing station, a driving piece for driving the turntable to rotate and 21 cutter heads arranged on the turntable at intervals; the rotary table rotates to drive the cutter heads at different positions to rotate and place the cutter heads at the position contacted with the workpiece, and the workpiece is machined; the functions of the 21 tool bits are mostly different, and the different tool bits are used for processing the workpiece through the rotation of the turntable, so that the multiple processing of the workpiece can be directly realized through one device, and the processing efficiency is greatly improved; and the tool bit is replaced in a rotating mode of the turntable, the replacing speed is high, the workpiece machining speed is further improved, and the working efficiency is improved.

in summary, the invention has the following advantages: the automatic operation is realized, the working efficiency is high, and the production cost is low; four shaft holes of the workpiece are processed simultaneously, time consumption during processing is greatly shortened, and working efficiency is further improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the driving member of the present invention.

Fig. 3 is a schematic structural view of the inclined hole drilling device of the present invention.

fig. 4 is a schematic structural view of the cutting apparatus of the present invention.

Fig. 5 is a front view of the cutting apparatus of the present invention.

fig. 6 is a schematic structural view of the clamping device of the present invention.

Fig. 7 is a schematic view of the fixing member of the present invention.

Fig. 8 is an enlarged view of fig. 7 at a.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

A process for manufacturing a brake system component, comprising the steps of: (1) melting raw materials: selecting an aluminum block with the density of more than 2.4g/cm3, and melting the aluminum block to a molten state in a melting furnace at the temperature of 800 ℃ to prepare aluminum liquid; then, nitrogen is injected into the aluminum liquid through a rotary degassing machine, and gas in the aluminum liquid is removed; (2) die casting: injecting the aluminum liquid prepared in the step (1) into a workpiece die, and performing die-casting forming through a pressure casting machine to prepare a workpiece blank; in order to facilitate the removal of a workpiece blank, a mold release agent is coated on a punch and a mold before die casting; specifically, the release agent is obtained by mixing a lubricant and a release agent in a ratio of 1: 90-120; (3) cutting a material handle: after the pressing is finished, the blank is provided with a material handle, and the material handle of the workpiece blank needs to be cut off through cutting equipment; (4) shot blasting: after the material handle is cut off, removing burrs on the surface of a workpiece blank by a worker through a file, and performing shot blasting treatment on the workpiece blank by using a stainless steel shot with the diameter of 3mm by using a shot blasting machine for 4-7 min; (5) drilling an inclined hole: drilling left and right inclined holes for installing electromagnetic valves on the workpiece blank subjected to shot blasting; during drilling, firstly drilling a left inclined hole on a workpiece blank by an inclined hole drilling device, then adjusting the position of the workpiece blank, and drilling a right inclined hole on the workpiece blank by the inclined hole drilling device; (6) four-axis processing: the four axes are four shaft holes on the workpiece; performing multiple processing such as milling, threading, drilling, polishing, deburring and the like on four shaft holes on the workpiece blank processed in the step (5) by adopting integrated four-shaft processing equipment to obtain a workpiece; (7) passivation: passivating the surface of the workpiece processed in the step (6), wherein the passivation is to convert the metal surface into a state which is not easily oxidized, and is the prior art and is not described again; (8) and (4) checking: performing burr detection and surface passivation detection on the workpiece processed in the step (7), specifically, manually observing whether burrs exist on the surface, the threaded hole and the inclined hole of the workpiece by a worker, and removing the burrs through a fine-tooth file if the burrs exist; the surface passivation detection is to detect the workpiece for 72 hours by adopting a salt spray test, and the workpiece is qualified if no red rust appears on the surface of the workpiece; and obtaining a finished product of the workpiece after the detection is qualified, and packaging and delivering the finished product out of the warehouse.

The rotary degassing machine, the pressure casting machine and the shot blasting machine are all in the prior art and can be directly purchased from the market, so that the details are not repeated; the lubricant and release agent may also be purchased directly from the market.

specifically, as shown in fig. 1-2, the integrated four-axis machining apparatus includes a fixture fixing station, a driving member 91 for driving the fixture fixing station to rotate, and a machining tool set 92, where the driving member 91 is a motor directly purchased from the market; after the position of the workpiece blank is fixed through the fixture fixing station, the workpiece blank is automatically processed by the processing cutter set 92; specifically, the processing tool set 92 comprises a rotary table 921 arranged above the fixture fixing station, a rotary driving member for driving the rotary table to rotate, a displacement driving member for driving the rotary table to move up and down, and 21 tool bits 922 arranged on the rotary table at intervals; the rotary driving part is a motor directly purchased from the market, and the displacement driving part is a cylinder directly purchased from the market; the 21 tool bits 922 comprise a plurality of tool bits such as a screw, a die, a milling tool, a grinding head and the like, and the arrangement sequence is automatically arranged according to the processing procedure of the workpiece to be processed, so that the arrangement sequence is not limited; the rotating disc rotates to drive the cutter head 922 at different positions to rotate to a position where the cutter head is contacted with a workpiece, and the cutter head can process shaft holes in the workpiece; when the turntable rotates at a high speed, the tool bit is sequentially contacted with the workpiece on the fixture fixing station, so that the workpiece can be processed in multiple processes after the turntable rotates for one circle, and the working efficiency is high; after the workpiece and the shaft holes facing the tool bit are machined, the driving piece 91 drives the fixture fixing station to rotate, the shaft holes in other positions of the workpiece are rotated to the position facing the tool bit, and the shaft holes are machined through the tool bit until all the shaft holes in the workpiece are machined.

As shown in fig. 2, the fixture fixing station comprises a placing member 1 and four placing cavities 2 arranged on the placing member 1, wherein the placing cavities 2 are special-shaped cavities with the same shape as the workpiece; a fixing part 3, a pressing part 4 and a clamping part 5 which can stretch and retract left and right are arranged on the side wall of the placing part 1; the clamping component 5 comprises a first clamping piece 51, a second clamping piece 52 and a driving component, the first clamping piece 51 and the second clamping piece 52 are respectively metal blocks, and the lower ends of the first clamping piece 51 and the second clamping piece 52 are respectively hinged on the side wall of the placing piece 1, so that the first clamping piece 51 and the second clamping piece 52 can be turned over relative to the joint; a first bending part 511 is arranged on the first clamping piece 51, and the first bending part 511 is formed by bending the upper end part of the first clamping piece 51 towards the placing cavity 2; a second bending part 521 is arranged on the second clamping piece 52, and the second bending part 521 is formed by bending the upper end part of the second clamping piece 52 towards the placing cavity 2; the driving part is an oil channel, an oil tank and a control valve which are arranged on the placing part 1, the control valve is directly purchased from the market, and the structure is not repeated.

Specifically, the clamping component 5 comprises a supporting part 41 and a pressing part 42 which are arranged on the placing part 1, wherein the supporting part 41 is a metal column arranged on the placing part 1, and the metal column is connected with an air cylinder and can drive the supporting part to move up and down; a pressing piece 42 is connected to the upper end of the supporting piece 41, specifically, the middle of the pressing piece 42 is movably connected to the supporting piece 41, the left end and the right end of the pressing piece 42 are respectively located above the two adjacent placing cavities 2, and the pressing piece 42 is a metal plate; the left end and the right end of the pressing piece 42 are respectively provided with an anti-falling piece 43, and the anti-falling pieces 43 are metal columns which are vertically fixed on the lower end face of the pressing piece 42; furthermore, the fixing part 3 is a metal column arranged on the placing part 1, a convex block is fixedly arranged on the placing part 1, a through hole for the fixing part 3 to penetrate is formed in one side of the convex block, the fixing part 3 can stretch and contract in the through hole, and the outer side wall of the fixing part 3 is in sealing fit with the inner wall of the through hole; specifically, a channel communicated with the through hole is arranged in the bump and is communicated with the oil channel;

In order to fix a workpiece, four positioning pieces 21 are arranged in the placing cavity 2, the four positioning pieces 21 are four metal columns vertically fixed at the bottom of the placing cavity 2, and the specific positioning pieces 21 are matched with holes formed in the workpiece; a clamping piece 23 is arranged in the placing cavity 2, the clamping piece 23 is a metal block with an arc-shaped notch, and when a workpiece is placed into the placing cavity, a concave ring at the lower end of the workpiece is matched with the clamping piece, so that the clamping piece can clamp the workpiece and is convenient for positioning the workpiece; further, a plurality of through holes 22 are formed in the bottom of the placing chamber 2, and one of the shaft holes of the workpiece can pass through the through holes 22.

specifically, when the device is used specifically, a workpiece is placed in the placing cavity 2, the control valve is opened, oil in the mailbox is enabled to rush into the oil passage, the first clamping piece 51 and the second clamping piece 52 are driven to turn over towards the placing cavity 2 through oil pressure, and the first bending part 511 and the second bending part 522 clamp the lower end of the workpiece; the specific principle is the prior art, and is not described again; meanwhile, oil enters the through hole through the channel, and the fixing piece 3 is pushed out through oil pressure and penetrates into a shaft hole of the workpiece; meanwhile, the supporting member 41 moves downward to drive the pressing member 42 to move downward to press the upper part of the workpiece, thereby positioning the workpiece.

as shown in fig. 3, the inclined hole drilling device includes a support 61, a workpiece fixing mechanism 62 and a hole drilling mechanism 63, where the support 61 includes a base 611 and a supporting column 612 connected to the base 611, and a rail 613 is provided on the supporting column 612, and the rail 613 is a rack; the workpiece fixing mechanism 62 comprises a workbench 621, a supporting member 622 and a pressing member 623 which are arranged on a base 611, the workbench 621 is a horizontal metal plate, supporting legs are arranged at four corners of the metal plate, the supporting member 622 is a metal block with an inclined upper surface, the metal block is connected to the workbench through a bolt, the pressing member is a rotary cylinder which is directly bought on the market and is arranged on the workbench, the specific model of the rotary cylinder is not required, the punching mechanism 63 comprises a mounting box 631 movably arranged on a supporting column 612, a drill bit 671, a drill rod 633 and a driving motor 634 arranged on the mounting box 631, the driving motor 634 is a general motor directly bought on the market, the specific model of the general motor is not required, the top end of the drill rod 633 is connected with the output end of the driving motor, the bottom end of the drill rod is connected with the drill bit, a gear matched with the track 613 and a driving member 635 for driving the gear to rotate are arranged on the, the driving member 635 is also a general motor directly purchased in the market, the gear is fixedly connected to an output shaft of the motor, the motor is installed in the placement box, when a workpiece is placed on the upper surface of the metal block, the workpiece can be fixed on the upper surface of the metal block through the rotary cylinder, at the moment, the workpiece is in an inclined state, the driving motor 634 drives the drill 671 to rotate, the driving member 635 drives the gear to rotate, the placement box moves downwards under the meshing action of the gear and the rail, the drill can be in contact with the workpiece and machine inclined holes meeting the process requirements on the workpiece, and when general vertical or horizontal holes are machined on the workpiece, the bolt fixed on the supporting member is screwed out, and the supporting member is detached from the workbench.

preferably, be equipped with spacing portion 66 on the inclined plane, spacing portion 66 is for setting up the cylindrical protrusion at the support piece upper surface, and when the work piece was placed on support piece, cylindrical protrusion can cooperate with the cylindrical cavity on the work piece, and the setting of spacing portion has not only prevented that the work piece from placing and taking place to slide on support piece's inclined plane, still guarantees every work piece of placing at support piece and processing position department all the time, and then need not adjust the position of work piece at every turn, even if the mechanism of punching processed out the hole that accords with the technological requirement on the work piece, machining efficiency has still been accelerated.

Preferably, the pressing member 623 is provided with a pressing head 65, specifically, a cylindrical rubber member, which can apply a pressure to the workpiece when the workpiece is placed on the support member, so as to fix the workpiece on the support member without damaging the workpiece.

In order to prevent the workpiece from being damaged due to the fact that the drill bit deflects in the machining process, the workbench 621 is provided with the limiting part 67, the limiting part 67 is provided with a limiting hole matched with the drill bit 671, the limiting part 67 is an L-shaped metal block, the bottom end of the L-shaped metal block is fixedly connected to the workbench, the limiting hole is a through hole with a diameter slightly larger than that of the drill bit, one end of the drill bit is in contact with the workpiece after penetrating through the through hole during machining, once the drill bit deflects left and right during working, the drill bit is in contact with the side wall of the through hole, so that a worker can quickly find the deflection of the drill bit, the workpiece is prevented from being damaged due to the deflection of the drill bit.

Preferably, the hole puncher further comprises a cooling water pipe 64, and the water outlet of the cooling water pipe is aligned with the drill bit; when the drill bit rotates, the drill bit can be cooled through cooling water in the cooling water pipe, the situation that the drill bit is broken due to overhigh temperature is prevented, and the service life of the drill bit is further prolonged.

as shown in fig. 4-8, the cutting apparatus includes a cutting table 71, a protection mechanism 72, a cutting mechanism 73 and a lifting mechanism 74, the protection mechanism 72 includes a protection cover 721 and a first driving member 722, the protection cover is provided with a reinforcing rod 724, specifically, the protection cover 721 includes a cover plate 7211 and four baffles 7212 surrounding the edge of the cover plate and perpendicular to the cover plate, the bottom end of one baffle is hinged to the cutting table through a hinge, the two ends of the reinforcing rod are respectively connected to two baffles which are bilaterally symmetric, and one end of the reinforcing rod penetrates through one of the baffles, the first driving member 722 is an air cylinder, the bottom end of the air cylinder is connected to the cutting table, the piston rod of the air cylinder is connected to one end of the reinforcing rod 724 which penetrates through the baffle, so as to control the up-down turning of the protection cover by controlling the expansion and contraction of the piston rod of the air cylinder, and then keep apart cutting area and operating personnel, prevented that the tails that cut off from flying off cutting area under the effect of centrifugal force and striking operating personnel's the condition emergence, improved the security performance of whole cutting machine, ensured operating personnel's personal safety.

The lifting mechanism 74 comprises a guide member 741, a movable member 742 and a second driving member 743, the cutting mechanism 73 is disposed on the movable member 742, the guide member 741 is two guide rails vertically mounted on the cutting table, the movable member 742 is plate-shaped, a slider matched with the two guide rails is disposed on the movable plate, the second driving member is a cylinder, the bottom end of the cylinder is fixedly connected with the cutting table 71, a piston rod of the cylinder is connected with the movable plate, the movable plate is driven to move up and down along the guide rails by the extension and contraction of the piston rod of the cylinder, and further drives the cutting mechanism mounted on the movable plate to move up and down together, when cutting is performed, the movable plate rises under the action of the cylinder, and further the cutting mechanism can cut the workpiece on the cutting table, after the cutting is completed, the cylinder drives the movable plate to descend, and further the whole cutting mechanism is, the personal safety of the operators is guaranteed.

The cutting mechanism 73 comprises a cutting part 731 and a third driving part for driving the cutting part 731 to rotate, the third driving part comprises a rotating shaft 732, a transmission belt 734 and a driving motor 733, which are arranged on the movable plate, the cutting part 731 is fixedly connected with the rotating shaft 732, specifically, the driving motor 733 is a motor directly purchased in the market, and the specific model of the motor is not required, the cutting part 731 is a saw disc fixedly installed on the rotating shaft, and the driving motor 733 drives the rotating shaft to rotate through the transmission belt 734, so as to drive the saw disc to rotate to cut the workpiece; the transmission belt 734 is a synchronous belt, one end of which is sleeved on the output shaft of the driving motor, and the other end is sleeved on the rotating shaft; preferably, a plurality of latch teeth are uniformly distributed on the outer surfaces of the output shaft and the rotating shaft at intervals respectively, a good synchronous effect between the output shaft and the rotating shaft is realized through the matching of the latch teeth and the synchronous belt, and the driving belt is not easy to slip.

Preferably, the protection mechanism 72 further includes an induction member 723 provided on the first driving member, specifically, the induction member is two infrared sensors, which are respectively fixed on the cylinder through a fixing member 75, the fixing member 75 includes a slot 751, a belt 752 having one end connected to the slot and an arc 753 having one end connected to the slot in an overturned manner, the slot is provided with an opening 754 for the belt to pass through, the side of the belt close to the slot is provided with a protrusion 755, the belt is uniformly provided with a plurality of slots 756 matching with the protrusion at intervals, the arc 753 is connected to the slot through a torsion spring, when the sensors are fixed, the sensors are firstly attached to the cylinder of the cylinder, then the belt is wound around a circle of sensors, and the free end of the belt passes through the opening on the slot to pull the sensors tightly fastened to the cylinder, then align protruding card with the fluting on the area body and go into, just can be in the same place sensor and cylinder are fixed this moment, the arc can also pass open-ended one end to the area body and play the effect of pressing in addition, effectively prevented the area body from droing in the arch, guarantee that sensor and cylinder can be firm together fixed, and when the position of sensor will be adjusted, only need overturn the arc, then stir the area body and make the arch drop out from the fluting, then just can adjust the position of sensor, only need once more after adjusting the position with protruding according to impress in the fluting can fix the sensor on the cylinder once more, whole operation process is simple, it is convenient, only after the protective cover lid is covered to have guaranteed through the effect of sensor, the second just can start and then drive the saw dish and rise and cut the work piece.

the cutting table 71 comprises a supporting seat 711, a bedplate 712 arranged on the supporting seat 711 and an adjusting structure matched with the bedplate, wherein a pressing device is arranged on the bedplate, specifically, the supporting seat is of a cuboid structure, the bedplate is arranged on the upper surface of the supporting seat, the adjusting structure comprises four first metal columns 713 vertically and fixedly connected to the upper surface of the supporting seat, four horizontally arranged second metal columns 714 movably arranged on the bedplate 712 and matched with the four metal columns 713, fixing grooves 715 arranged on the second metal columns, bolts penetrating through the fixing grooves and threaded holes arranged on the bedplate and matched with the bolts, the four metal columns are distributed in a rectangular shape, the top ends of the first metal columns are provided with inclined planes, and a plurality of clamping teeth are uniformly arranged on the inclined planes at intervals; the second metal column is also provided with an inclined plane matched with the first metal column, and the inclined plane is also uniformly provided with a plurality of clamping teeth at intervals; the fixed slot is a slot which is arranged on the second metal column and penetrates through the upper surface and the lower surface of the second metal column, after the position of the bedplate is adjusted, the inclined plane of the first metal column is placed on the inclined plane of the second metal column, so that the step structures on the two metal columns are tightly matched together, then the bolt in the fixed slot is screwed, the second metal column and the bedplate are fixed together, and the purpose of freely adjusting the position of the bedplate is achieved.

In order to prevent the bedplate from moving during cutting operation, a slot 716 is formed in the bedplate 712, a bolt penetrates through the slot, a threaded hole matched with the bolt is formed in the supporting seat, after the position of the bedplate is adjusted, the bolt is screwed into the threaded hole in the supporting seat, downward extrusion force can be applied to the bedplate, the second metal column can provide stable supporting acting force for the bedplate, and the bedplate can be fixed on the supporting seat.

The clamping device comprises a workpiece placing seat 717 and a pressing part 718 which are arranged on the bedplate 712, the workpiece placing seat is a metal block, a clamping groove matched with a workpiece is formed in the metal block, the pressing part is a rotary cylinder which is fixedly installed on the bedplate and directly bought in the market, the specific model is not required, a cylindrical pressing head 719 is arranged on the rotary cylinder, and the pressing head 719 is made of rubber materials; when a workpiece is placed, the clamping groove in the aligned metal block on the workpiece is clamped, then the rotary cylinder is started, the pressing head can apply positive pressure to the upper surface of the workpiece (the specific working principle is the prior art, and is not described herein in detail), the workpiece can be stably fixed on the bedplate, the pressing head is made of a rubber material, the workpiece can be protected from being damaged when pressure is applied to the workpiece, and the workpiece is protected well.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Claims (4)

1. A process for manufacturing a brake system component, comprising the steps of:

1) Melting raw materials: selecting an aluminum block with the density of more than 2.4g/cm3, and melting the aluminum block to a molten state in a melting furnace at the temperature of 800 ℃ to prepare aluminum liquid; then, nitrogen is injected into the aluminum liquid through a rotary degassing machine, and gas in the aluminum liquid is removed;

2) die casting: injecting the aluminum liquid prepared in the step (1) into a workpiece die, and performing die-casting forming through a pressure casting machine to prepare a workpiece blank; before die casting, a mold release agent is coated on a punch and a mold;

3) cutting a material handle: cutting off a material handle of the workpiece blank by using cutting equipment;

4) Shot blasting: removing burrs on the surface of the workpiece blank by a file, and then performing shot blasting treatment on the workpiece blank by adopting a stainless steel shot with the diameter of 3mm, wherein the shot blasting time is 4-7 min;

5) Drilling an inclined hole: drilling a left inclined hole on a workpiece blank by an inclined hole drilling device, adjusting the position of the workpiece blank, and drilling a right inclined hole on the workpiece blank by the inclined hole drilling device;

6) Four-axis processing: milling, threading, drilling, polishing and deburring four shaft holes of the workpiece blank processed in the step (5) by adopting integrated four-shaft processing equipment to obtain a workpiece;

7) passivation: carrying out oxidation treatment on the surface of the workpiece processed in the step (6);

8) And (4) checking: performing burr detection and surface passivation detection on the workpiece processed in the step (7), and obtaining a finished workpiece product after the workpiece is qualified;

The integrated four-axis machining equipment comprises a clamp fixing station, a driving piece (91) and a machining cutter set (92), wherein the driving piece (91) is used for driving the clamp fixing station to rotate, and after the position of a workpiece blank is fixed through the clamp fixing station, the machining cutter set (92) is used for automatically machining the workpiece blank;

the processing cutter set (92) comprises a rotary table (921) arranged above the fixture fixing station, a rotary driving piece for driving the rotary table to rotate and 21 cutter heads (922) arranged on the rotary table at intervals; the rotary table rotates to drive the cutter heads (922) at different positions to rotate to be in contact with the workpiece, so that the workpiece is machined;

The 21 tool bits (922) comprise a plurality of tool bits of a screw rod, a screw die, a milling tool and a grinding head, and the arrangement sequence is automatically arranged according to the processing procedure of a workpiece to be processed; the rotating of the turntable drives the cutter heads (922) at different positions to rotate to positions contacting with the workpiece, and the cutter heads can process shaft holes on the workpiece; when the turntable rotates at a high speed, the tool bit is sequentially contacted with the workpiece on the fixture fixing station, and the workpiece can be processed in multiple processes after the turntable rotates for one circle; after the workpiece and the shaft holes opposite to the tool bit are machined, the driving piece (91) drives the fixture fixing station to rotate, shaft holes in other positions of the workpiece are rotated to positions opposite to the tool bit, and the shaft holes are machined through the tool bit until all the shaft holes in the workpiece are machined;

the inclined hole drilling device comprises a support (61), a workpiece fixing mechanism (62) and a drilling mechanism (63), wherein the support (61) comprises a base (611) and a supporting column (612) connected to the base (611), a track (613) is arranged on the supporting column (612), and the track (613) is a rack; work piece fixed establishment (62) is including locating workstation (621), support piece (622) on base (611) and sticising piece (623), workstation (621) is a horizontal metal sheet, and the four corners of metal sheet is equipped with the supporting legs, support piece (622) is the metal block of an upper surface slope, the metal block passes through bolted connection on the workstation, punching mechanism (63) including movable mounting settle case (631), drill bit (671), drilling rod (633) on support column (612) and locate settle driving motor (634) on case (631), the top and the driving motor's of drilling rod (633) output are connected, and the bottom and the drill bit of drilling rod are connected, it is equipped with on case (631) to settle track (613) matched with gear and is used for the drive gear pivoted driving piece (635), the gear links firmly on the output shaft of driving piece, the driving piece is installed in the arrangement box, the supporting piece (622) is a metal block with an inclined upper surface, a limiting portion (66) is arranged on the inclined surface of the supporting piece, the limiting portion (66) is a cylindrical protrusion arranged on the upper surface of the supporting piece, and a pressing head (65) is arranged on the pressing piece (623).

2. A process for the production of a braking system component according to claim 1, characterized in that: the burr detection is that whether the manual work observes work piece surface, screw hole, inclined hole in have the burr, if have the burr then get rid of the burr through the serration file.

3. a process for the production of a braking system component according to claim 1, characterized in that: and the surface passivation detection is to detect the workpiece for 72 hours by adopting a salt spray test.

4. A process for the production of a braking system component according to claim 1, characterized in that: the release agent is obtained by mixing a lubricant and a release agent in a ratio of 1 (90-120).