CN114850527A

CN114850527A - Automatic manufacturing system and method of maintenance-free hub unit

Info

Publication number: CN114850527A
Application number: CN202210506988.3A
Authority: CN
Inventors: 李伟
Original assignee: Hangzhou Renyuan Automobile Fitting Co ltd
Current assignee: Hangzhou Renyuan Automobile Fitting Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-08-05
Anticipated expiration: 2042-05-10
Also published as: CN114850527B

Abstract

The invention discloses an automatic manufacturing system and method of a maintenance-free hub unit, and the system comprises a rack, a feeding assembly and a drilling mechanism, wherein the feeding assembly and the drilling mechanism are fixedly connected with the top of the rack, the feeding assembly comprises a vertical storage box and a discharging bottom box fixedly connected with the bottom of the vertical storage box, and the invention relates to the technical field of machining equipment. According to the automatic manufacturing system and method of the maintenance-free hub unit, the feeding assembly is arranged in front of the drilling mechanism, the feeding assembly can stack a plurality of hub units and can automatically feed materials into the drilling mechanism, and the airbag, the air pipe, the pushing cylinder and the like are matched, after one hub unit is processed by the drilling mechanism and is sent out, the airbag is extruded by using the falling force of the hub unit, the pushing cylinder can be ejected out to automatically roll the next hub unit into the drilling mechanism, the next hub unit is not ejected out actively, the hub unit cannot automatically slide out, the cost is low, the use is convenient, manual feeding and discharging are omitted one by one, and the efficiency is greatly improved.

Description

Automatic manufacturing system and method of maintenance-free hub unit

Technical Field

The invention relates to the technical field of machining equipment, in particular to an automatic manufacturing system and method of a maintenance-free hub unit.

Background

The most common use in the past for passenger car hub bearings has been the use of single row tapered rollers or ball bearings in pairs. With the development of technology, cars have widely used car hub units. The use range and the use amount of the hub bearing unit are increasing, and the hub bearing unit has been developed to the third generation: the first generation consists of double row angular contact bearings. The second generation has a flange on the outer raceway for fixing the bearing, which can be simply screwed onto the axle. Making the maintenance of the car easier. The third generation hub bearing unit adopts the matching of the bearing unit and the anti-lock brake system. The hub unit is designed with an inner flange bolted to the drive shaft and an outer flange mounting the entire bearing together.

Current wheel hub unit adds man-hour, need drill to it, and current drilling equipment generally needs the manual work to put wheel hub unit on anchor clamps fixed, then start the rig and drill, later still need manual taking off to put aside, unloading is comparatively troublesome in the manual work, wastes time and energy, influence machining efficiency, and it is then with high costs to set up accurate arm and carry out the centre gripping, and simultaneously, the piece is washed to cutting fluid during processing, can lead to cutting fluid to splash, follow-up cleaning device of being not convenient for.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an automatic manufacturing system and method of a maintenance-free hub unit, which solve the problems that manual loading and unloading are troublesome, time and labor are wasted, the processing efficiency is influenced, the cost is too high when a precise mechanical arm is arranged for clamping, and meanwhile, cutting fluid splashes and is inconvenient to clean equipment subsequently due to the fact that the cutting fluid washes chips during processing.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an automated manufacturing system of non-maintaining wheel hub unit, includes frame and top fixed connection's material loading subassembly and drilling mechanism, the material loading subassembly is including accomodating perpendicular case and bottom fixed connection's ejection of compact under casing, accomodating the inside of erecting the case and vertically piling up a plurality of wheel hub unit, the wheel hub unit is including treating the ring flange of drilling, and the both sides of ring flange are provided with the boss that the external diameter is the same, and the boss of both sides is one long and one short, and the coaxial axle sleeve that is provided with in side of shorter one side boss, the perpendicular groove that is equipped with the axle sleeve looks adaptation with the wheel hub unit is seted up to the front side of accomodating perpendicular case, accomodate the blotter that the equal fixedly connected with in the left and right sides of erecting the incasement surface compressed tightly wheel hub unit ring flange both sides.

The top of ejection of compact under casing just is located and accomodates the recess of erecting the incasement chamber under and offer with wheel hub unit flange portion looks adaptation, and the equal overlap joint of both sides boss of wheel hub unit in recess top both sides, the bottom surface of recess just is located the right side of bottommost wheel hub unit ring flange bottom and is provided with the arch, the inside of ejection of compact under casing just is located the lower left corner fixedly connected with top that the wheel hub unit ring flange of bottommost pushed away the cylinder.

Roll out from the drilling mechanism right side after the drilling of wheel hub unit, the right side of frame just is located drilling mechanism right side and passes through bracket fixedly connected with gasbag down, the inside of gasbag is provided with reset spring, the intercommunication has the trachea between the left side of gasbag and the bottom of pushing away the cylinder.

Preferably, drilling mechanism includes the backup pad that preceding under casing and rear side interval set up, the equal fixed connection of preceding under casing and backup pad is at the frame top, and both intervals are greater than the biggest interval of wheel hub unit both sides boss, its axle sleeve was taken at preceding under casing top when wheel hub unit rolled between preceding under casing and backup pad.

Preferably, the inside of backup pad is seted up with the locating hole of wheel hub unit rear side boss looks adaptation, the inside of backup pad just is located the outside of locating hole and has seted up a plurality of drilling, the front side of backup pad just is located the outside fixedly connected with antiskid rubber ring of drilling, the top of frame just is located the front side of preceding under casing and compresses tightly the cylinder through mounting bracket fixedly connected with, the rear end fixedly connected with who compresses tightly the cylinder with the electro-magnet briquetting of locating hole coaxial.

Preferably, the top of frame just is located the rear side fixedly connected with drill box of backup pad, and the front side of drilling the case corresponds drilling and is provided with a plurality of drill bits that can drive simultaneously and stretch out and draw back from beginning to end, fixedly connected with aircraft bonnet between the rear side of backup pad and the front side of drilling the case, the bottom intercommunication on aircraft bonnet right side has the chip groove, the arch bar under the bottom fixedly connected with between preceding under bottom box and the backup pad, the through-hole has been seted up to the inside of backup pad and the center that is located arch bar inboard bottom down, a plurality of hydrojet mouths of top fixedly connected with of aircraft bonnet are just to the cutting fluid nozzle of drilling, the top fixedly connected with shunt tubes of drill box, and a plurality of cutting fluid nozzles are connected respectively through many hoses in the left side of shunt tubes, the right side intercommunication of shunt tubes has the cutting fluid input tube, and the cutting fluid passes through pump body peripheral hardware input cutting fluid input pipe.

Preferably, the mount pad is filled to the inside centre of preceding under casing, and the inboard top of mount pad is rotated and is connected with the arc tray, when the arc tray level was placed, the left side at preceding under casing top highly flushes with the top of arc tray, the right side at top highly flushes with the bottom surface of arc tray top cambered surface, the arc spout has all been seted up to both sides around the arc tray, arc positioning groove has been seted up to the left rear side in arc tray bottom, the tooth's socket has been seted up to the inclined to one side right side in front of arc tray bottom.

Preferably, the inside of mount pad just is located the front side fixedly connected with motor of arc tray bottom, and the output shaft fixed surface of motor is connected with the gear with tooth's socket looks meshing, the inside of mount pad just is located the location structure of arc tray lower left corner fixedly connected with and location recess looks adaptation.

Preferably, location structure includes the sleeve, the bottom fixedly connected with touch switch of sleeve inner chamber, the middle fixedly connected with bulge loop of sleeve internal surface, telescopic inside and the top sliding connection who is located touch switch have the apical axis, and the top of apical axis be with the hemispherical structure of arc location recess looks adaptation, the top fixedly connected with fender ring of apical axis side, the outside of apical axis just is located and is equipped with the spring between fender ring and the bulge loop.

Preferably, the below on bracket right side is provided with the transmission band, the containing box has been placed on the transmission band, and the handle is all installed to both sides around the containing box, the inside of containing box is provided with the foam seat, and the inside of foam seat evenly set up two with the standing groove of wheel hub unit looks adaptation.

The invention also discloses an automatic manufacturing method of the maintenance-free hub unit, which comprises the following steps:

step one, stacking and feeding: sequentially placing a plurality of hub units into a vertical storage box, enabling the hub units to be longitudinally stacked in the vertical storage box, pushing a pushing cylinder to push the bottom hub unit rightwards during loading so as to enable the hub unit to move to the right side after crossing a bulge, and enabling the hub unit to roll to the inner side of a drilling mechanism along a groove;

step two, clamping: the hub unit rolls to the arc-shaped tray and stops, then the pressing cylinder is started to push the electromagnet pressing block backwards, so that the hub unit is pushed backwards, the boss on the rear side of the hub unit is inserted into the positioning hole of the supporting plate, and the flange plate of the hub unit presses the supporting plate to complete clamping;

step three, drilling: after clamping is completed, a drill box is started, a drill bit is driven to rotate and extend forwards, the drill bit penetrates through a support plate to drill a hub unit, an external pump body is started to draw cutting fluid, the cutting fluid is discharged into a shunt pipe through a cutting fluid input pipe, the cutting fluid is discharged into a plurality of cutting fluid nozzles through a hose to wash the drill bit, scraps are washed off, the scraps and the cutting fluid on the front side of the support plate fall onto a lower arch arc plate and are concentrated towards the middle, the scraps and the cutting fluid on the rear side are blocked by a machine cover and are accumulated at the bottom and are discharged from a right chip groove in a concentrated manner, the drill box is controlled to withdraw the drill bit after drilling is completed, a compaction air cylinder is controlled to withdraw, an electromagnet pressing block is electrified to generate magnetism, the hub unit is pulled forwards, a compaction air cylinder is stopped, and the electromagnet pressing block is powered off;

step four, discharging: the motor is started to drive the gear to rotate, the tooth grooves of the arc-shaped tray are matched to drive the arc-shaped tray to rotate, the hub unit rolls out rightwards, then the motor drives the gear to rotate, the arc-shaped tray is driven to reset, the compressed top shaft is inserted into the arc-shaped chute under the elastic force of the spring to limit the arc-shaped tray, the arc-shaped tray falls onto the air bag after rolling to the right side, the air bag is extruded, air in the air bag is discharged into the pushing cylinder through the air pipe to push and push the next hub unit, then the hub unit on the air bag rolls into the placing groove of the foam seat in the storage box to be stored, then the transmission belt drives the storage box to move for the distance of one placing groove, and the next hub unit is waited to be collected;

step five, fine machining: and (4) after the collected hub unit is transmitted to a next subsequent station, performing subsequent cutting and finish machining, and then performing surface electroplating hardening treatment.

Preferably, the storage box collects the hub units in one row, transfers the hub units to the reverse direction and collects the hub units by using the other row of placing grooves, or manufacturing systems are arranged on two sides of the conveying belt, and the hub units are stored in the two rows of placing grooves.

Advantageous effects

The invention provides an automatic manufacturing system and method of a maintenance-free hub unit. Compared with the prior art, the method has the following beneficial effects:

(1) the automatic manufacturing system and the method of the maintenance-free hub unit have the advantages that the feeding assembly is arranged in front of the drilling mechanism, the feeding assembly can stack a plurality of hub units and can automatically feed materials into the drilling mechanism, and the air bag, the air pipe, the pushing cylinder and the like are matched, after one hub unit is processed by the drilling mechanism and is sent out, the air bag is extruded by utilizing the falling force of the hub unit, the pushing cylinder can be pushed out to automatically roll the next hub unit into the drilling mechanism without being pushed out actively, so that the hub unit cannot automatically slide out, the cost is low, the use is convenient, the manual feeding and discharging are omitted, and the efficiency is greatly improved.

(2) According to the automatic manufacturing system and method of the maintenance-free hub unit, the hub unit can be automatically clamped to be drilled by arranging the drilling mechanism, the cutting fluid can be sprayed to flush and cool during drilling, the lower arc plate is arranged at the bottom of the front side of the supporting plate, the hood is arranged at the rear side of the supporting plate to cover, the cutting fluid and the chips can be prevented from splashing, the chips can be intensively discharged through the chip discharge grooves by the cutting fluid, and the collection and the processing are convenient.

(3) According to the automatic manufacturing system and method of the maintenance-free hub unit, the arc-shaped tray is arranged on the front bottom box, the hub unit sent out by the feeding assembly can be limited in the arc-shaped tray, accurate positioning is achieved, the arc-shaped tray can also rotate, after drilling is finished, the hub unit on the arc-shaped tray can be sent out again by rotating the arc-shaped tray, automatic discharging is achieved, manual taking-off is not needed, and the use is convenient.

(4) According to the automatic manufacturing system and method of the maintenance-free hub unit, the containing box is arranged on the right side of the bracket, the hub unit which falls on the air bag and is buffered can be orderly stored, the containing box can be moved by utilizing the transmission belt, the placing groove in the foam seat is further switched, and the hub unit can accurately fall in the placing groove conveniently and is convenient to store and transport.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the loading assembly of the present invention;

FIG. 3 is a side view of the loading assembly of the present invention;

FIG. 4 is a side view of the drilling mechanism of the present invention in a ready-to-machine state;

FIG. 5 is a side view of the drilling mechanism of the present invention in a process state;

FIG. 6 is a front view of the support plate and lower arch plate of the present invention;

FIG. 7 is a cross-sectional view of the front bottom case of the present invention;

FIG. 8 is a perspective view of an arcuate tray of the present invention;

FIG. 9 is a cross-sectional view of a positioning structure of the present invention;

fig. 10 is a top view of the container of the present invention.

In the figure: 1. a frame; 2. a feeding assembly; 21. accommodating a vertical box; 211. a cushion pad; 22. discharging the bottom box; 221. a groove; 222. a protrusion; 223. a pushing cylinder; 3. a drilling mechanism; 31. a pressing cylinder; 32. a support plate; 321. positioning holes; 322. an anti-slip rubber ring; 323. a through hole; 33. a front bottom box; 331. a mounting seat; 332. an arc-shaped tray; 3321. an arc-shaped chute; 3322. an arc-shaped positioning groove; 3323. a tooth socket; 333. a gear; 334. a positioning structure; 3341. a sleeve; 3342. a touch switch; 3343. a convex ring; 3344. a top shaft; 3345. a baffle ring; 3346. a spring; 34. pressing the electromagnet block; 35. drilling a box; 36. a hood; 37. a chip groove; 38. a lower arched arc plate; 39. a cutting fluid nozzle; 310. a shunt tube; 311. a hose; 312. a cutting fluid input pipe; 4. a hub unit; 5. a bracket; 6. an air bag; 7. an air tube; 8. a conveyor belt; 9. a storage box; 91. a foam seat.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automatic manufacturing system of non-maintaining wheel hub unit, including frame 1 and its top fixed connection's material loading subassembly 2 and drilling mechanism 3, material loading subassembly 2 is including accomodating vertical box 21 and bottom fixed connection's ejection of compact under casing 22, the inside of accomodating vertical box 21 can vertically pile up a plurality of wheel hub unit 4, wheel hub unit 4 is including treating the ring flange of drilling, the both sides of ring flange are provided with the boss that the external diameter is the same, and the boss one in both sides is long and short, the coaxial axle sleeve that is provided with in side of shorter one side boss, the vertical slot that is equipped with the axle sleeve looks adaptation with wheel hub unit 4 is seted up to the front side of accomodating vertical box 21, the equal fixedly connected with in the left and right sides of accomodating vertical box 21 internal surface compresses tightly the blotter 211 of wheel hub unit 4 ring flange both sides, blotter 211 is used for slowing down the speed that wheel hub unit 4 whereabouts, avoid acutely leading to the surface depression.

The top of ejection of compact under casing 22 just is located and accomodates the vertical box 21 inner chamber under offer with the recess 221 of wheel hub unit 4 flange part looks adaptation, and the equal overlap joint of both sides boss of wheel hub unit 4 is in recess 221 top both sides, the bottom surface of recess 221 and the right side that is located bottom wheel hub unit 4 flange bottom are provided with protruding 222, protruding 222 is owing to restrict wheel hub unit 4 and roll right, push away cylinder 223 can promote wheel hub unit 4 and make it cross protruding 222, the inside of ejection of compact under casing 22 just is located the lower left corner fixedly connected with push away cylinder 223 of bottom wheel hub unit 4 flange.

Roll out from drilling mechanism 3 right side after the drilling of wheel hub unit 4, frame 1's right side just is located drilling mechanism 3 right side under and passes through bracket 5 fixedly connected with

gasbag

6, and 6 high right sides in the left side in gasbag 6 tops are low, can guarantee that wheel hub unit 4 normally rolls right, and the inside of gasbag 6 is provided with reset spring, and the intercommunication has trachea 7 between the left side of gasbag 6 and the bottom that pushes away cylinder 223.

Through setting up material loading subassembly 2 before drilling mechanism 3, it can pile up a plurality of wheel hub unit 4, and can realize automatic material loading to drilling mechanism 3 in, and utilize the cooperation of structures such as gasbag 6, trachea 7 and top to push away cylinder 223, after drilling mechanism 3 has processed a wheel hub unit 4 and has sent it out, utilize the down weight of this wheel hub unit 4 to extrude gasbag 6, can make top to push away cylinder 223 ejecting and make next wheel hub unit 4 roll to drilling mechanism 3 in it is automatic, and do not initiatively ejecting, then wheel hub unit 4 can not roll out by oneself, and is with low costs convenient to use, has saved artifical unloading one by one, has improved efficiency greatly.

Referring to fig. 4-9, the drilling mechanism 3 includes a front bottom case 33 and a supporting plate 32 spaced apart from the front bottom case 33, the front bottom case 33 and the supporting plate 32 are both fixedly connected to the top of the frame 1, and the distance between the front bottom case 33 and the supporting plate 32 is greater than the maximum distance between bosses on both sides of the hub unit 4, the hub unit 4 is sleeved on the top of the front bottom case 33 when rolling between the front bottom case 33 and the supporting plate 32, the supporting plate 32 is internally provided with a positioning hole 321 adapted to the boss on the rear side of the hub unit 4, the supporting plate 32 is internally provided with a plurality of drill holes on the outer side of the positioning hole 321, the supporting plate 32 is fixedly connected to an anti-slip rubber ring 322 on the front side of the drill hole, the frame 1 is fixedly connected to a pressing cylinder 31 on the front side of the front bottom case 33 through an installation frame, the pressing block 34 of an electromagnet coaxial with the positioning hole 321 is fixedly connected to the rear end of the pressing cylinder 31, the frame 1 is fixedly connected to the supporting plate 32 on the rear side of the frame 32 and is fixedly connected to a drilling box 35, and the front side of the drill box 35 is provided with a plurality of drill bits which can be driven simultaneously and can be extended and retracted back and forth, the multi-drill-bit telescopic drilling equipment is the prior art and is not described in detail, a hood 36 is fixedly connected between the rear side of the support plate 32 and the front side of the drill box 35, the bottom of the right side of the hood 36 is communicated with a chip groove 37, the length is not limited, the multi-drill-bit telescopic drilling equipment can cross a transmission belt 8 to the right side and can also be connected with a pipeline for guiding, a lower arched plate 38 is fixedly connected at the bottom between the front bottom box 33 and the support plate 32, a through hole 323 is arranged in the support plate 32 and at the center of the bottom of the inner side of the lower arched plate 38, a plurality of cutting fluid nozzles 39 with liquid spraying ports facing the drilling are fixedly connected at the top of the hood 36, a shunt tube 310 is fixedly connected at the top of the drill box 35, a plurality of cutting fluid nozzles 39 are respectively connected at the left side of the shunt tube 310 through a plurality of hoses 311, a cutting fluid input tube 312 is communicated at the right side of the shunt tube 310, the cutting fluid is input into the cutting fluid input pipe 312 through the external pump body.

Set up drilling mechanism 3 and can hold hub unit 4 automation and drill, still can spout the cutting fluid during drilling and wash the cooling, and set up down encircleing arc plate 38 in backup pad 32 front side bottom, the rear side sets up the aircraft bonnet 36 and covers, can avoid cutting fluid and piece to splash, still can make the cutting fluid concentrate the discharge through chip groove 37 with the piece, the collection of being convenient for is handled.

The middle of the inner part of the front bottom case 33 is filled with an installation seat 331, the top of the inner side of the installation seat 331 is rotatably connected with an arc-shaped tray 332, when the arc-shaped tray 332 is horizontally placed, the left side at preceding under casing 33 top highly flushes with arc tray 332's top, the right side at top highly flushes with the bottom surface of arc tray 332 top cambered surface, arc spout 3321 has all been seted up to arc tray 332's front and back both sides, be provided with the direction draw runner with arc spout 3321 adaptation in the mount pad 331, restriction arc tray 332 longitudinal movement, arc tray 332 bottom left rear side is seted up and is equipped with arc positioning groove 3322, tooth's socket 3323 has been seted up on the inclined to right side of front side of arc tray 332 bottom, the inside of mount pad 331 and the front side fixedly connected with motor that is located arc tray 332 bottom, the output shaft fixed surface of motor is connected with gear 333 with tooth's socket 3323 looks meshing, the inside of mount pad 331 and be located the positioning structure 334 of arc tray 332 lower left corner fixedly connected with and arc positioning groove 3322 looks adaptation.

Through set up arc tray 332 in the front on under casing 33, can realize accurate location with the wheel hub unit 4 restriction that material loading subassembly 2 sent in it, and arc tray 332 still can rotate, through rotating arc tray 332 after the drilling, can send out wheel hub unit 4 on it once more, has realized automatic discharging, need not the manual work and takes off convenient to use.

Location structure 334 includes sleeve 3341, the bottom fixedly connected with touch switch 3342 of sleeve 3341 inner chamber, the centre fixedly connected with bulge loop 3343 of sleeve 3341 internal surface, sleeve 3341's inside and the top sliding connection who is located touch switch 3342 have apical axis 3344, and apical axis 3344's top is the hemisphere structure with arc positioning groove 3322 looks adaptation, the top fixedly connected with of apical axis 3344 side keeps off ring 3345, apical axis 3344's outside just is located to keep off and is equipped with spring 3346 between ring 3345 and the bulge loop 3343. By arranging the positioning structure 334 and matching with the arc-shaped positioning groove 3322 at the bottom of the arc-shaped tray 332, the angle of the arc-shaped tray 332 can be limited, the hub unit 4 cannot be collided and deflected when rolling onto the hub unit 4, the hub unit 4 can be prevented from directly rolling out, and only the motor drives the gear 333 to rotate to drive the arc-shaped tray 332 to deflect.

Referring to fig. 1 and 10, a transmission belt 8 is disposed below the right side of the bracket 5, a storage box 9 is disposed on the transmission belt 8, handles are mounted on the front side and the rear side of the storage box 9, a foam seat 91 is disposed inside the storage box 9, the foam seat 91 has a buffering effect, and two rows of placing grooves matched with the hub unit 4 are uniformly formed in the foam seat 91.

Through set up containing box 9 in bracket 5 right side, can carry out orderly the depositing to the hub unit 4 that falls on gasbag 6 through the buffering, and utilize transmission band 8 can realize the removal to containing box 9, and then switch the standing groove of foam seat 91, make things convenient for hub unit 4 accurate fall in the standing groove, conveniently deposit and transport.

step one, stacking and feeding: sequentially placing a plurality of hub units 4 into the vertical storage box 21, enabling the hub units 4 to be longitudinally stacked in the vertical storage box 21, pushing the bottom hub unit 4 to the right by the pushing cylinder 223 during loading, enabling the hub unit 4 to cross the bulge 222 to move to the right side, and enabling the hub unit 4 to roll to the inner side of the drilling mechanism 3 along the groove 221;

step two, clamping: the hub unit 4 rolls to the arc-shaped tray 332 and stops, then the pressing cylinder 31 is started to push the electromagnet pressing block 34 backwards, so that the hub unit 4 is pushed backwards, the boss on the rear side of the hub unit 4 is inserted into the positioning hole 321 of the supporting plate 32, and the flange plate of the hub unit 4 is pressed against the supporting plate 32 to complete clamping;

step three, drilling: after clamping is completed, the drill box 35 is started, the drill bit is driven to rotate and is driven to extend forwards, holes are drilled in the hub unit 4 through the supporting plate 32, meanwhile, an external pump body is started to draw cutting fluid, the cutting fluid is discharged into the flow dividing pipe 310 through the cutting fluid input pipe 312, then the cutting fluid is discharged into the plurality of cutting fluid nozzles 39 through the hose 311, the drill bit is washed, scraps are washed off, the scraps and the cutting fluid on the front side of the supporting plate 32 fall onto the lower arc plate 38 and are concentrated towards the middle, the scraps and the cutting fluid on the rear side are blocked by the hood 36 and are accumulated at the bottom and are discharged from the scrap discharge groove 37 on the right side in a concentrated mode, after drilling is completed, the drill box 35 is controlled to withdraw the drill bit, then the pressing cylinder 31 is controlled to withdraw, meanwhile, the electromagnet pressing block 34 is electrified to generate magnetism, the hub unit 4 is pulled forwards, then the pressing cylinder 31 is stopped, and the electromagnet pressing block 34 is powered off;

step four, discharging: firstly, a motor is started to drive a gear 333 to rotate, a tooth groove 3323 of an arc-shaped tray 332 is matched to drive the arc-shaped tray 332 to rotate, so that a hub unit 4 rolls out rightwards, then the motor drives the gear 333 to rotate, the arc-shaped tray 332 is driven to reset, a compressed top shaft 3344 is inserted into an arc-shaped sliding groove 3321 under the elastic force of a spring 3346 to limit the arc-shaped tray 332, the arc-shaped tray 332 falls onto an air bag 6 after rolling to the right side, the air bag 6 is further extruded, air in the air bag is discharged into a pushing cylinder 223 through an air pipe 7 to push a next hub unit 4, then the hub unit 4 on the air bag 6 rolls into a placing groove of a foam seat 91 in a containing box 9 to be stored, then a transmission belt 8 drives the containing box 9 to move for a distance of the placing groove, and the next hub unit 4 is waited to be collected;

step five, fine machining: and (4) after the collected hub unit 4 is transmitted to a next subsequent station, performing subsequent cutting and finish machining, and then performing surface electroplating hardening treatment. After surface hardening treatment, the wear-resistant steel plate is more wear-resistant, the service life is prolonged, and the trouble of frequent maintenance is saved.

The storage box 9 collects the hub units 4 in one row, transfers the hub units to the reverse direction and collects the hub units with the placement grooves in the other row, or manufacturing systems are arranged on two sides of the conveying belt 8, and the hub units 4 are stored in the placement grooves in the two rows.

Meanwhile, the contents which are not described in detail in the specification belong to the prior art which is known by the person skilled in the art, and the model parameters of each electric appliance are not specifically limited, and the electric appliance can be made by using conventional equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automated manufacturing system of non-maintaining wheel hub unit, includes frame (1) and top fixed connection's material loading subassembly (2) and drilling mechanism (3), its characterized in that: the feeding assembly (2) comprises a vertical storage box (21) and a discharging bottom box (22) fixedly connected with the bottom of the vertical storage box, a plurality of hub units (4) can be longitudinally stacked in the vertical storage box (21), each hub unit (4) comprises a flange plate to be drilled, bosses with the same outer diameter are arranged on two sides of each flange plate, the bosses on two sides are long and short, shaft sleeves are coaxially arranged on the side surfaces of the bosses on the shorter side, vertical grooves matched with the shaft sleeves of the hub units (4) are formed in the front side of the vertical storage box (21), and buffer cushions (211) for pressing two sides of the flange plates of the hub units (4) are fixedly connected to the left side and the right side of the inner surface of the vertical storage box (21);

a groove (221) matched with the flange part of the hub unit (4) is formed in the top of the discharging bottom box (22) and located right below the inner cavity of the containing vertical box (21), bosses on two sides of the hub unit (4) are lapped on two sides of the top of the groove (221), a protrusion (222) is arranged on the bottom surface of the groove (221) and on the right side of the bottom of the flange plate of the bottommost hub unit (4), and a pushing cylinder (223) is fixedly connected to the lower left corner of the flange plate of the bottommost hub unit (4) and inside the discharging bottom box (22);

roll out from drilling mechanism (3) right side behind wheel hub unit (4) drilling, frame (1) right side just is located drilling mechanism (3) right side under through bracket (5) fixedly connected with gasbag (6), the inside of gasbag (6) is provided with reset spring, the intercommunication has trachea (7) between the left side of gasbag (6) and the bottom that pushes away cylinder (223).

2. An automated manufacturing system for a maintenance-free hub unit according to claim 1, wherein: drilling mechanism (3) are including preceding under casing (33) and backup pad (32) that its rear side interval set up, preceding under casing (33) and the equal fixed connection of backup pad (32) are at frame (1) top, and both intervals are greater than the biggest interval of wheel hub unit (4) both sides boss, wheel hub unit (4) its axle sleeve is taken at under casing (33) top in the front when rolling between under casing (33) and backup pad (32) in the front.

3. The automated maintenance-free hub unit manufacturing system of claim 2, wherein: locating hole (321) with wheel hub unit (4) rear side boss looks adaptation are seted up to the inside of backup pad (32), a plurality of drilling have been seted up to the inside of backup pad (32) and the outside that is located locating hole (321), the front side of backup pad (32) and the outside fixedly connected with antiskid rubber ring (322) that are located drilling, the top of frame (1) just is located the front side of preceding under casing (33) and compresses tightly cylinder (31) through mounting bracket fixedly connected with, the rear end fixedly connected with who compresses tightly cylinder (31) has electro-magnet briquetting (34) with locating hole (321) coaxial axle center.

4. The automated maintenance-free hub unit manufacturing system of claim 3, wherein: the drilling machine is characterized in that the top of the rack (1) is fixedly connected with a drilling box (35) at the rear side of a supporting plate (32), the front side of the drilling box (35) is provided with a plurality of drill bits which can be driven simultaneously and can stretch back and forth in a corresponding drilling manner, a hood (36) is fixedly connected between the rear side of the supporting plate (32) and the front side of the drilling box (35), the bottom on the right side of the hood (36) is communicated with a chip discharge groove (37), a lower arched plate (38) is fixedly connected with the bottom between a front bottom box (33) and the supporting plate (32), a through hole (323) is formed in the inner part of the supporting plate (32) and the center at the inner bottom of the lower arched plate (38), a plurality of cutting fluid nozzles (39) for drilling are rightly connected with a plurality of fluid injection ports at the top of the hood (36), a shunt pipe (310) is fixedly connected with the top of the drilling box (35), and the left side of the shunt pipe (310) is respectively connected with a plurality of cutting fluid nozzles (39) through a plurality of hoses (311), the right side of the shunt pipe (310) is communicated with a cutting fluid input pipe (312), and the cutting fluid is input into the cutting fluid input pipe (312) through an external pump body.

5. An automated manufacturing system for a maintenance-free hub unit according to claim 4, wherein: preceding under casing (33) inside centre is filled with mount pad (331), and the top rotation of mount pad (331) inboard is connected with arc tray (332), when arc tray (332) level was placed, the left side at preceding under casing (33) top highly flushes with the top of arc tray (332), the right side at top highly flushes with the bottom surface of arc tray (332) top cambered surface, arc spout (3321) have all been seted up to both sides around arc tray (332), arc tray (332) bottom left rear side is seted up and is equipped with arc positioning groove (3322), tooth's socket (3323) have been seted up to the inclined to one side right side in front of arc tray (332) bottom.

6. The automated maintenance-free hub unit manufacturing system of claim 5, wherein: the inside of mount pad (331) and the front side fixedly connected with motor that is located arc tray (332) bottom, the output shaft fixed surface of motor be connected with tooth's socket (3323) engaged with gear (333), the inside of mount pad (331) just is located arc tray (332) lower left corner fixedly connected with and arc location groove (3322) looks adaptation location structure (334).

7. The automated maintenance-free hub unit manufacturing system of claim 6, wherein: location structure (334) includes sleeve (3341), the bottom fixedly connected with touch switch (3342) of sleeve (3341) inner chamber, protruding ring (3343) of the middle fixedly connected with of sleeve (3341) internal surface, the inside of sleeve (3341) and the top sliding connection who is located touch switch (3342) have apical axis (3344), and the top of apical axis (3344) be with the hemisphere structure of arc location recess (3322) looks adaptation, the top fixedly connected with of apical axis (3344) side keeps off ring (3345), the outside of apical axis (3344) just is located and is equipped with spring (3346) between keeping off ring (3345) and protruding ring (3343).

8. The automated maintenance-free hub unit manufacturing system of claim 7, wherein: the utility model discloses a wheel hub unit, including bracket (5), handle, transmission band (8), storage box (9), the handle has all been installed to both sides around and to the below on bracket (5) right side, storage box (9) have been placed on transmission band (8), the inside of storage box (9) is provided with foam seat (91), and the inside of foam seat (91) evenly sets up two standing grooves with wheel hub unit (4) looks adaptation.

9. The automated method of manufacturing a maintenance-free hub unit of claim 8, wherein: the method specifically comprises the following steps:

step one, stacking and feeding: sequentially placing a plurality of hub units (4) into a vertical storage box (21), enabling the hub units (4) to be longitudinally stacked in the vertical storage box (21), pushing a pushing cylinder (223) to push the hub unit (4) at the bottom to the right during feeding, enabling the hub unit (4) to cross a protrusion (222) to move to the right side, and enabling the hub unit (4) to roll to the inner side of a drilling mechanism (3) along a groove (221);

step two, clamping: the hub unit (4) rolls to the arc-shaped tray (332) and stops, then the pressing cylinder (31) is started to push the electromagnet pressing block (34) backwards, so that the hub unit (4) is pushed backwards, a boss on the rear side of the hub unit (4) is inserted into the positioning hole (321) of the supporting plate (32), and a flange plate of the hub unit (4) is pressed on the supporting plate (32) to finish clamping;

step three, drilling: after clamping is finished, a drill box (35) is started to drive a drill bit to rotate and drive the drill bit to extend forwards, the drill bit penetrates through a support plate (32) to drill a hub unit (4), an external pump body is started to extract cutting fluid, the cutting fluid is discharged into a flow dividing pipe (310) through a cutting fluid input pipe (312), then the cutting fluid is discharged into a plurality of cutting fluid nozzles (39) through a hose (311), the drill bit is washed and flushed, chips are flushed, the scraps and the cutting fluid on the front side of the support plate (32) fall onto a lower arch arc plate (38) and are concentrated towards the middle, the scraps and the cutting fluid on the rear side are blocked by a hood (36), the scraps and the cutting fluid are accumulated at the bottom and are discharged from a right chip discharge groove (37) in a concentrated manner, after drilling is finished, the drill box (35) is controlled to withdraw the drill bit, then a pressing cylinder (31) is controlled to withdraw, meanwhile, a pressing block (34) is electrified to generate magnetism, so that the hub unit (4) is pulled forwards, and then the pressing cylinder (31) stops, the electromagnet pressing block (34) is powered off;

step four, discharging: the motor is started to drive the gear (333) to rotate, the tooth groove (3323) matched with the arc tray (332) drives the arc tray (332) to rotate, the hub unit (4) rolls out rightwards, then the motor drives the gear (333) to rotate, the arc tray (332) is driven to reset, the compressed top shaft (3344) is inserted into the arc chute (3321) under the elastic force of the spring (3346) to limit the arc tray (332), the arc tray (332) rolls to the right side and then falls onto the air bag (6), the air bag (6) is further extruded, air in the air bag is discharged into the pushing cylinder (223) through the air pipe (7) to push down one hub unit (4), then the hub unit (4) on the air bag (6) rolls into the placing groove of the foam seat (91) in the containing box (9) to be stored, then the transmission belt (8) drives the containing box (9) to move for the distance of one placing groove, waiting for the next hub unit (4) to be collected;

step five, fine machining: and (4) after the collected hub unit (4) is transmitted to a next subsequent station, performing subsequent cutting and finish machining, and then performing surface electroplating hardening treatment.

10. The automated method of manufacturing a maintenance-free hub unit of claim 9, wherein: and the storage box (9) collects the hub units (4) in one row, transfers the hub units to the reverse direction and collects the hub units by using the other row of placing grooves, or manufacturing systems are arranged on two sides of the conveying belt (8), and the hub units (4) are stored in the two rows of placing grooves.