CN115741319A

CN115741319A - Automatic deburring device for automobile hub and use method

Info

Publication number: CN115741319A
Application number: CN202211470130.2A
Authority: CN
Inventors: 董存; 孙小明; 丁明良; 孙炜军; 孙志申
Original assignee: Zhejiang Ouxing Huanmei Automobile Parts Co ltd
Current assignee: Zhejiang Ouxing Huanmei Automobile Parts Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-07

Abstract

The invention discloses an automatic deburring device for automobile hubs and a using method, and the device comprises a rack and a PLC (programmable logic controller) for controlling the operation of the device, wherein a feeding channel and a discharging channel are respectively arranged on two sides of the rack; according to the invention, the PLC is used for controlling the operations of feeding, polishing, deburring, discharging and the like of the hub, so that the automatic control of hub deburring is realized, and the work efficiency of hub deburring is improved.

Description

Automatic deburring device for automobile hub and use method

Technical Field

The invention relates to the technical field of burr grinding, in particular to an automatic deburring device for an automobile hub and a using method of the automatic deburring device.

Background

In the machining process of the automobile hub, because of improper or uneven clearance between the male die and the female die or the reason that the cutting edge becomes blunt due to abrasion and the like, burrs are inevitably generated in the stamping process, and the more the burrs exist, the quality of a hub product is reduced; at present, the main methods for processing burrs comprise manual steel files, sand paper, or simple mechanical auxiliary grinding and the like.

For the hub deburring mechanism disclosed in the publication No. CN105855637A, the hub is driven to rotate by using the driving device, and burrs at the edge of the hub are washed by matching with a high-pressure water gun, so that the burrs at the edge of the hub are washed clean, the working strength of an operator is reduced, and the efficiency is improved; there are several problems that:

1. the high-pressure water gun is arranged on one side, so that burrs on the other side of the hub are difficult to be washed comprehensively during washing, the burrs are not washed in place, and the product quality is reduced;

2. the installation of the wheel hub needs to be fixed or dismantled through a nut, and the wheel hub with burrs removed needs to be dismantled and then the wheel hub to be machined needs to be installed again after one wheel hub is processed, the whole process needs manual operation, and real automation is not realized, so that the labor intensity is high, and the working efficiency of equipment is low; meanwhile, due to the existence of the burrs, the existence of the burrs is easy to cause damage to operators in the replacement process;

therefore, it is necessary to provide an automatic deburring device for automobile hubs and a using method thereof.

Disclosure of Invention

The invention aims to solve the problems and provides an automatic deburring device for an automobile hub and a using method.

In order to achieve the purpose, the invention provides the following technical scheme: the device comprises a rack and a PLC (programmable logic controller) for controlling the operation of the device, wherein a feeding channel and a discharging channel are respectively arranged on two sides of the rack, the device is characterized by further comprising a conveying mechanism arranged on the rack, an adjustable bearing mechanism arranged on the rack and matched with the conveying mechanism, and a burr grinding mechanism arranged on the rack, the conveying mechanism comprises a middle material channel which is arranged on the rack and is in the same direction with the feeding channel and the discharging channel, the middle material channel is positioned at the bottom of the rack and provided with a first support, a first cylinder which is arranged at the bottom of the rack and connected with the first support, the adjustable bearing mechanism comprises a second adjusting support arranged on the rack and a bearing rod movably arranged on the second adjusting support, the burr grinding mechanism comprises a guide rod arranged on the rack, a sliding seat arranged on the guide rod, a grinder arranged on the sliding seat, and a driver which is arranged on the sliding seat and is controlled by the PLC and drives the sliding seat to move on the guide rod.

Preferably, the transfer channel is provided with a through hole, and the through hole is provided with a second infrared sensor connected with the PLC.

Preferably, the second adjusting bracket comprises a vertical adjusting bracket arranged on the rack, a horizontal adjusting bracket arranged on the vertical adjusting bracket, and a bearing arranged on the horizontal adjusting bracket and connected with the bearing rod, wherein adjusting grooves are formed in the vertical adjusting bracket and the horizontal adjusting bracket, and a third bracket is movably arranged on the rack.

Preferably, the third support is provided with a pressure lever and a baffle, and the rack is provided with an infrared sensor for detecting the baffle.

Preferably, the sander comprises a motor which is installed on the sliding seat and controlled by the PLC controller, a reversing speed reducer which is installed on the sliding seat and connected with a motor driving shaft, and a sanding wheel which is installed on the reversing speed reducer, and the rack is further provided with a limiting buffer assembly which limits the sliding seat.

Preferably, the limiting buffer assembly comprises buffer columns arranged on two sides of the rack, a limiting frame arranged on the rack and positioned above the sliding seat, and a limiting bolt arranged on the limiting frame.

Preferably, the sliding seat is provided with a positioning groove matched with the limiting bolt.

Preferably, the sliding seat is further provided with a burr collecting assembly, and the burr collecting assembly comprises a collecting box arranged on the sliding seat, a fixed seat arranged on the sliding seat, an adjustable telescopic pipe arranged on the fixed seat, and an electromagnet arranged on the adjustable telescopic pipe and controlled by the PLC controller.

Preferably, the method of use is as follows:

the first step is as follows: equipment calibration, pass logical groove with automobile wheel hub and place on the bearing pole, the adjustment

The distance between each part and the hub is calibrated before operation;

the second step is that: feeding, polishing and discharging, namely feeding a hub to be processed from a feeding channel, conveying the hub to an intermediate material channel through a lifting mechanism, and polishing; and simultaneously discharging the polished hub to a discharging channel.

The invention has the beneficial effects that: through the arrangement of the device, the PLC controls the operations of feeding, polishing, deburring, discharging and the like of the hub, so that the automatic control of the deburring of the hub is realized, and the working efficiency of the deburring of the hub is improved; meanwhile, direct contact between a person and the hub is avoided in the whole process, damage to the person caused by burrs when the person moves the hub is reduced, and safety of the person in operation is improved;

the grinding wheel is driven by a motor to rub with the hub and drive the hub to rotate quickly on the bearing rod, and meanwhile, the efficiency of deburring the hub is improved by grinding burrs at the edges of the two sides of the hub through the grinding wheel;

through the arrangement of the conveying mechanism, the whole process of loading, polishing and discharging of the wheel hub is controlled by the PLC, and the manual operation step in midway is avoided, so that the automatic processing is realized, and the working efficiency of the equipment is improved;

through the arrangement of the burr collecting assembly, the polished burrs are adsorbed by the electromagnet during the polishing operation of the hub, so that the burrs are prevented from being scattered randomly, the recovered burrs can be recovered and treated in a centralized manner, and the production cost of enterprises is reduced;

through the arrangement of the limiting buffer assembly, the sliding seat is limited in the moving process through the limiting bolt columns, so that the grinding wheel is in contact with the hub to keep an optimal distance, and meanwhile, through the arrangement of the buffer columns, the sliding seat is prevented from impacting the frame when being opened towards two sides, and the service life of the device is prolonged;

through the setting of adjustable bearing mechanism, can adjust to the wheel hub of different specification and dimension, make the wheel hub reach the best with the interval of grinding wheel, promoted the device's suitability.

Drawings

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

FIG. 2 is a schematic view of the intermediate channel structure of the present invention;

FIG. 3 is a partial structural view of the present invention;

FIG. 4 is a schematic view of an adjustable support structure according to the present invention;

FIG. 5 is a schematic structural view of a third bracket according to the present invention;

FIG. 6 is a schematic structural view of a burr polishing mechanism according to the present invention;

FIG. 7 is a schematic view of a sliding seat according to the present invention;

FIG. 8 is a schematic view of a conveyor mechanism according to the present invention;

fig. 9 is an enlarged schematic structural diagram of patent a of the present invention.

The following are marked in the figure: the device comprises a machine frame 1, a feed channel 11, a discharge channel 12, an infrared sensor No. 13, a PLC 2, a conveying mechanism 3, a middle material channel 31, a first support 32, a first cylinder 33, a through groove 34, a supporting plate 35, a transfer channel 36, a limiting plate 37, a through hole 38, an infrared sensor No. 39, an adjustable supporting mechanism 4, a second adjusting support 41, a supporting rod 42, a vertical adjusting support 43, a horizontal adjusting support 44, a bearing 45, an adjusting groove 46, a third support 47, a compression rod 471, a baffle 472, a burr grinding mechanism 5, a driver 51, a guide rod 52, a sander 53, a 532 motor, a reversing speed reducer 533, a sanding wheel 534, a sliding seat 54, a buffer column 71, a limiting frame 72, a limiting bolt 73, a positioning groove 74, a burr collecting component 8, a collecting box 81, a fixed seat 82, an adjustable telescopic pipe 83 and an electromagnet 84.

Detailed Description

The following description will be made in detail with reference to the accompanying drawings for an automatic deburring device for automobile hubs and a using method thereof.

Referring to fig. 1 to 9, the automatic automobile hub deburring device and the using method thereof in this embodiment include a rack 1 and a PLC controller 2 for controlling the operation of the device, wherein a feed channel 11 and a discharge channel 12 are respectively disposed on two sides of the rack 1, the device is characterized by further including a conveying mechanism 3 disposed on the rack 1, an adjustable supporting mechanism 4 disposed on the rack 1 and adapted to the conveying mechanism 3, and a burr polishing mechanism 5 disposed on the rack 1, the conveying mechanism 3 includes an intermediate channel 31 mounted on the rack 1 through bolts and in the same direction as the feed channel 11 and the discharge channel 12, the intermediate channel 31 is movably mounted at the bottom of the rack 1 with a first bracket 32, a first cylinder 33 disposed at the bottom of the rack 1 and connected to the first bracket 32 through a bolt, the intermediate channel 31 is provided with a through groove 34, the first bracket 32 is welded with a supporting plate 35 penetrating through the through groove 34, one end of the first bracket 32 is welded with a transfer channel 36 adapted to the feed channel 11, and the other end of the first bracket 32 is provided with a limiting plate 37 adapted to the discharge channel 12, and the first cylinder 33 is controlled by the PLC controller 2 to be lifted and controlled by the PLC controller 2; through the arrangement of the device, the PLC 2 controls the operations of feeding, polishing, discharging and the like of the hub, so that the automatic control of hub deburring is realized, and the working efficiency of hub deburring is improved; meanwhile, direct contact between a person and the hub is avoided in the whole process, damage to the person caused by burrs when the person moves the hub is reduced, and safety of the person in operation is improved; through the arrangement of the conveying mechanism 3, when a wheel hub is arranged on the adjustable supporting mechanism 4 during operation, the PLC 2 sends an instruction to the burr grinding mechanism 5, the burr grinding mechanism 5 executes the operation of grinding burrs on the edge of the wheel hub, after the wheel hub is ground, the PLC 2 controls the first air cylinder 33 to push the first support 32 to lift upwards, the transfer channel 36, the supporting plate 35 and the limiting plate 37 synchronously move upwards along with the first support 32, in the process of moving upwards, the supporting plate 35 contacts the bottom of the wheel hub and drives the wheel hub to move upwards together until the transfer channel 36 is slightly higher than the feeding channel 11, the supporting plate 35 just passes through the through groove 34, and the limiting plate 37 is just positioned between the discharging channel 12 and the middle material channel 31, at the moment, the wheel hub on the supporting plate 35 rolls towards the direction of the discharging channel 12 along the middle material channel 31 and is limited on the limiting plate 37, the wheel hub on the transfer channel 36 rolls into the through groove 34 from the upper part of the middle material channel 31 and is limited on the supporting plate 35 by the wheel hub in the discharging direction of the middle material channel 31, the PLC (programmable logic controller) 2 controls the first air cylinder 33 to drive the first support 32 to move downwards, so that the wheel hub on the supporting plate 35 is driven to fall onto the supporting rod 42 downwards, the heights of the transfer channel 36 and the limiting plate 37 are lower than that of the middle material channel 31, and the wheel hub limited on the middle material channel 31 naturally rolls onto the discharging channel 12 due to no blockage of the limiting plate 37, so that discharging is completed; wheel hub is from material loading, polishing, the ejection of compact is controlled by PLC controller 2 entirely in whole process, has avoided manual operation's midway step to realize automated processing, improve equipment's work efficiency.

The adjustable supporting mechanism 4 comprises a second adjusting bracket 41 arranged on the rack 1 and a supporting rod 42 movably arranged on the second adjusting bracket 41, the second adjusting bracket 41 comprises a vertical adjusting bracket 43 welded on the rack 1, a horizontal adjusting bracket 44 arranged on the vertical adjusting bracket 43 through a bolt, and a bearing 45 arranged on the horizontal adjusting bracket 44 through welding and in interference fit with the supporting rod 42, adjusting grooves 46 are respectively arranged on the vertical adjusting bracket 43 and the horizontal adjusting bracket 44, a third bracket 47 is also movably arranged on the rack 1, a pressure lever 471 and a baffle 472 are arranged on the third bracket 47, a first infrared sensor 13 for detecting the baffle 472 is arranged on the rack 1 through a bolt, and the first infrared sensor 13 is controlled by the PLC 2 through a cable; through the arrangement of the first infrared sensor 13, when a wheel hub is arranged on the supporting rod 42, the wheel hub presses the pressing rod 471 downwards to enable the third support 47 to rotate on the horizontal adjusting frame 44, so that the baffle 472 is positioned on the front surface of the first infrared sensor 13, the first infrared sensor 13 sends a signal to the PLC 2, the PLC 2 obtains the current working state conveniently, and meanwhile, the burr grinding mechanism 5 is controlled to execute the deburring operation, so that automatic control is realized; the positions of the bolts in the adjusting grooves 46 are adjusted by loosening the bolts on the vertical adjusting frame 43 and the horizontal adjusting frame 44 of the adjustable supporting mechanism 4, so that the distance or the height between the supporting rods 42 is changed, the device can be suitable for hubs with different specifications and sizes, and the applicability of the device is improved.

The working process of the adjustable supporting mechanism is as follows: when the horizontal direction adjustment is needed, loosening the bolts in the adjusting grooves 46, keeping the heights of the bolts unchanged, horizontally moving the positions of the horizontal adjusting frames 44 on the bolts to the left or the right to proper intervals, and then screwing the bolts; when the vertical adjustment is needed, the bolt in the adjusting slot 46 is loosened, and the bolt is screwed down after moving downwards or upwards to a proper height in the adjusting slot 46 of the vertical adjusting bracket 43.

The burr grinding mechanism 5 comprises a guide rod 52 welded on the frame 1, a sliding seat 54 slidably mounted on the guide rod 52, a grinder 53 mounted on the sliding seat 54 through bolts, and a driver 51 mounted on the frame 1 through bolts, controlled by the PLC 2 and driving the sliding seat 54 to move on the guide rod 52, wherein the driver 51 is fixedly connected with the sliding seat 54 through bolts, the grinder 53 comprises a motor 532 mounted on the sliding seat 54 and controlled by the PLC 2, a reversing speed reducer 533 mounted on the sliding seat 54 and connected with a driving shaft of the motor 532, and a grinding wheel 534 mounted on the reversing speed reducer 533, and the frame 1 is further provided with a limiting buffer assembly for limiting the sliding seat 54; the driver 51 is a cylinder, an oil cylinder or an electric push rod and the like; through sander 53's setting, utilize sander 53 to replace high-pressure squirt, solved high-pressure squirt wash when burring because the angle can only aim at wheel hub's one side and wash, the burr of wheel hub opposite side washes the problem not in place, utilize PLC controller 2 control motor 532 drive to polish wheel 534 and wheel hub friction and drive wheel hub fast rotation on bearing rod 42, the burr operation of polishing at wheel hub both sides border through polishing wheel 534 simultaneously has promoted the efficiency of wheel hub burring.

This 5 working processes of burr grinding machanism: when the PLC 2 detects that a hub on the bearing rod 42 needs to be polished, the PLC 2 controls the driver 51 to drive the sliding seat 54 to approach to the middle along the guide rod 52, so that the polishing wheel 534 is in contact with the edge of the hub, the PLC 2 controls the motor 532 to drive the reversing speed reducer 533, the reversing speed reducer 533 drives the polishing wheel 534 to rotate, the polishing wheel 534 rotates to generate friction force with the hub and drives the hub to rotate quickly, and the polishing wheel 534 polishes burrs at the edge of the hub while driving the hub to rotate; after polishing is completed, the PLC controller 2 controls the motor 532 to be turned off, and the PLC controller 2 controls the driver 51 to drive the sliding seat 54 to be separated to two sides along the guide rod 52, so that the polishing operation of the wheel hub is completed.

The limiting buffer assembly comprises buffer columns 71 which are arranged on two sides of the machine frame 1 through bolts, a limiting frame 72 which is arranged on the machine frame 1 through bolts and is positioned above the sliding seat 54, and a limiting bolt 73 which is arranged on the limiting frame 72 through nuts, wherein a positioning groove 74 matched with the limiting bolt 73 is arranged on the sliding seat 54; through spacing buffering subassembly's setting, carry on spacingly to sliding seat 54 at the removal in-process through spacing bolt 73, make the wheel 534 that polishes and the contact of wheel hub keep optimum distance, through the setting of buffering post 71, prevent that sliding seat 54 from striking frame 1, hoisting device's life when opening to both sides simultaneously.

The sliding seat 54 is also provided with a burr collecting component 8, and the burr collecting component 8 comprises a collecting box 81 which is arranged on the sliding seat 54 through a bolt, a fixed seat 82 which is arranged on the sliding seat 54 through a bolt, an adjustable telescopic pipe 83 which is arranged on the fixed seat 82 through a bolt, and an electromagnet 84 which is arranged on the adjustable telescopic pipe 83 through a bolt and is controlled by the PLC 2; through the arrangement of the burr collecting assembly 8, the electromagnet 84 is controlled to be opened through the PLC 2 to generate magnetism, burrs in grinding are adsorbed by the electromagnet during grinding operation of the hub, and the burrs are prevented from being scattered randomly; after polishing is finished, the PLC 2 controls the electromagnet 84 to be closed to enable magnetism of the electromagnet 84 to disappear, debris adsorbed on the electromagnet 84 naturally falls into the collection box 81 due to no magnetic adsorption, and recovered burrs can be recovered and treated in a centralized manner, so that production cost of enterprises is reduced; the distance between the electromagnet 84 and the hub can be conveniently adjusted by arranging the adjustable telescopic pipe 83, so that the applicability is strong.

The using method comprises the following steps:

the first step is as follows: the equipment calibration comprises the steps that firstly, a hub is placed on a supporting rod 42, a PLC (programmable logic controller) 2 is used for controlling the opening and closing of an electromagnetic valve on a pipeline of a driver 51, and the driver 51 drives a sliding seat 54 to move towards the middle along a guide rod 52, so that a grinding wheel 534 is close to the side edge of the hub; loosening the bolts in the adjusting grooves 46, selecting a proper distance by moving the positions of the horizontal adjusting frames 44 and the bolts or the heights of the bolts on the vertical adjusting frames 43, so that the side edge of the hub is just in the middle of the grinding wheel 534, and then tightening the bolts; the PLC 2 controls the driver 51 to continuously drive the grinding wheel 534 on the sliding seat 54 to move towards the hub until the grinding wheel 534 is tightly attached to the edge of the hub; loosening the limit bolt 73, moving the limit bolt 73 to the position of the positioning groove 74, and fixing the limit bolt 73 by a nut after inserting the limit bolt 73 into the positioning groove 74 by rotating; and adjusting the adjustable telescopic pipe 83 to enable the electromagnet 84 to be aligned with the edge of the hub, so that debugging before the device runs is completed.

The second step: feeding, grinding and discharging materials, opening a starting button of a device on the PLC 2, judging that a hub is arranged on the supporting rod 42 as the hub is already arranged on the supporting rod 42 and presses a pressing rod 471 to be downward so as to enable the third support 47 to rotate, enabling a baffle 472 to be just positioned on the front side of the first infrared sensor 13, judging that the hub is arranged on the supporting rod 42 when the PLC 2 receives a feedback signal of the first infrared sensor 13, driving a sliding seat 54 to be close to the middle along a guide rod 52 by a PLC 2 control driver 51 so as to enable a grinding wheel 534 to be tightly attached to the edge of the hub, limiting a positioning groove 74 by a limiting bolt 73, driving a reversing speed reducer 533 by a PLC 2 control motor 532, driving the grinding wheel 534 to rotate by the reversing speed reducer 533, generating friction with the hub and driving the hub to rotate quickly, and grinding the grinding wheel 534 grinding burrs at the edge of the hub while driving the hub to rotate; after polishing is finished, the PLC 2 controls the motor 532 to be turned off, and the PLC 2 controls the driver 51 to drive the sliding seat 54 to be separated towards two sides along the guide rod 52; the second infrared sensor 39 detects that a hub exists on the transfer channel 36 and feeds a signal back to the PLC controller 2, the PLC controller 2 controls the first cylinder 33 to push the first support 32 to lift upwards, the transfer channel 36, the support plate 35 and the limit plate 37 synchronously move upwards along with the first support 32, in the process of moving upwards, the support plate 35 contacts the bottom of the hub on the support rod 42 and drives the hub to move upwards together until the transfer channel 36 is slightly higher than the feed channel 11, the support plate 35 just passes through the through groove 34, the limit plate 37 is just between the feed channel 12 and the intermediate channel 31, at this time, the hub on the support plate 35 rolls along the intermediate channel 31 towards the direction of the discharge channel 12 and is limited on the limit plate 37, the hub on the transfer channel 36 rolls from above the intermediate channel 31 to the through groove 34 and is limited on the support plate 35 by the hub in the discharge direction of the intermediate channel 31, the PLC controller 2 controls the first cylinder 33 to drive the first support 32 to move downwards, thereby driving the hub on the support plate 35 to fall onto the support rod 42, at this time, the heights of the transfer channel 36 and the intermediate channel 37 are lower than the hub of the limit plate 37, and the hub on the limit plate 31, the limit plate 37, and the hub 12 naturally stops the hub on the new feed channel 11, and the limit plate 11.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. An automatic deburring device for automobile hubs comprises a rack (1) and a PLC (programmable logic controller) for controlling the device to operate, wherein a feeding channel (11) and a discharging channel (12) are respectively arranged on two sides of the rack (1), the automatic deburring device is characterized by further comprising a conveying mechanism (3) arranged on the rack (1), an adjustable bearing mechanism (4) arranged on the rack (1) and matched with the conveying mechanism (3), and a burr polishing mechanism (5) arranged on the rack (1), the conveying mechanism (3) comprises an intermediate material channel (31) arranged on the rack (1) and positioned in the same direction with the feeding channel (11) and the discharging channel (12), the intermediate material channel (31) is positioned at the bottom of the rack (1) and provided with a first support (32) and a first air cylinder (33) arranged at the bottom of the rack (1) and connected with the first support (32), the adjustable bearing mechanism (4) comprises a second adjusting support (41) arranged on the rack (1) and a support rod (42) movably arranged on the second adjusting support (41), and a guide rod (54) and a guide seat (54) arranged on the rack (52) and a guide rod (54), and the driver (51) is arranged on the rack (1), is controlled by the PLC (2) and drives the sliding seat (54) to move on the guide rod (52).

2. The automatic deburring device for automobile hubs according to claim 1, further characterized in that: middle material way (31) on be equipped with logical groove (34), install on first support (32) and pass layer board (35) of this logical groove (34), first support (32) one end be equipped with transit passageway (36) other end of feedstock channel (11) looks adaptation be equipped with limiting plate (37) of feedstock channel (12) looks adaptation, first cylinder (33) through being gone up and down by PLC controller (2) control.

3. The automatic deburring device for automobile hubs according to claim 2, further characterized in that: the transfer channel (36) is provided with a through hole (38), and the through hole (38) is provided with a second infrared sensor (39) connected with the PLC (2).

4. The automatic deburring device for automobile hubs according to claim 1, further characterized in that: second regulation support (41) including install vertical adjustment frame (43) on frame (1), install horizontal adjustment frame (44) on vertical adjustment frame (43), install bearing (45) of being connected with bearing rod (42) on horizontal adjustment frame (44), vertical adjustment frame (43) and horizontal adjustment frame (44) on all be equipped with adjustment tank (46), frame (1) on still movable mounting have third support (47).

5. The automatic deburring device for automobile hubs according to claim 4, further characterized in that: third support (47) on be equipped with depression bar (471) and baffle (472), frame (1) on install infrared sensor (13) that are used for detecting baffle (472).

6. The automatic deburring device for automobile hubs according to claim 1, further characterized in that: the sander (53) comprises a motor (532) which is installed on a sliding seat (54) and controlled by a PLC (programmable logic controller) 2, a reversing speed reducer (533) which is installed on the sliding seat (54) and connected with a driving shaft of the motor (532), and a sanding wheel (534) which is installed on the reversing speed reducer (533), wherein a limiting buffer assembly which limits the sliding seat (54) is further arranged on the rack (1).

7. The automatic deburring device for automobile hubs according to claim 6, further characterized in that: the limiting buffer assembly comprises buffer columns (71) arranged on two sides of the rack (1), a limiting frame (72) arranged on the rack (1) and positioned above the sliding seat (54), and a limiting bolt (73) arranged on the limiting frame (72).

8. The automatic deburring device for automobile hubs according to claim 7, further characterized in that: and a positioning groove (74) matched with the limiting bolt (73) is arranged on the sliding seat (54).

9. The automatic deburring device for automobile hubs according to claim 6, further characterized in that: the burr collecting device is characterized in that the sliding seat (54) is further provided with a burr collecting assembly (8), and the burr collecting assembly (8) comprises a collecting box (81) arranged at the bottom of the rack (1), a fixing seat (82) arranged on the sliding seat (54), an adjustable telescopic pipe (83) arranged on the fixing seat (82), and an electromagnet (84) arranged on the adjustable telescopic pipe (83) and controlled by the PLC (2).

10. The use method of the automatic automobile hub deburring device is further characterized by comprising the following steps: the using method comprises the following steps:

the first step is as follows: equipment calibration, namely, passing the automobile hub through a through groove to be placed on a supporting rod, adjusting the distance between each part and the hub, and calibrating before operation;

the second step: feeding, polishing and discharging, namely feeding a hub to be processed from a feeding channel, conveying the hub to an intermediate material channel through a lifting mechanism, and polishing; and simultaneously discharging the polished hub to a discharging channel.