Hub polishing device

Abstract

The invention discloses a hub polishing device, and relates to the technical field of hub polishing, the hub polishing device comprises a workbench, a supporting plate is fixedly arranged at the bottom of the workbench, and a rotating mechanism is arranged at the top of the supporting plate. Through the arrangement of the positioning mechanism, hub side walls of various shapes can be positioned, the soft guide rail is made of a soft material and is matched with the first spring to pull the two ends of the soft guide rail, so that the soft guide rail is in a relatively tightened state, the track of the guide rail is smooth, and the shape of the guide rail is more fit with that of the hub side wall; the automatic polishing device is simple in structure and convenient to operate, the consistent polishing degree during polishing is guaranteed, polishing of the outer side walls of hubs in various shapes is self-adapted, the applicability is high, polishing pressure does not need to be adjusted, operation is easy, convenient and rapid, the locating rollers can always apply abutting force to the locating plates through abutting paralysis, it is guaranteed that each locating plate can be attached to the outer side walls of the hubs, and the polishing efficiency is improved. And accurate positioning of the positioning plate is guaranteed, and the polishing precision is improved.

Description

Technical Field

[0001] The invention relates to the technical field of wheel hub polishing, in particular to a wheel hub polishing device. Background Art

[0002] In the production of wheel hubs, many burrs, chamfers and oxide scales will be generated after the wheels are cast. The wheel hubs need to be polished to remove burrs, chamfers and oxide scales to improve product quality. With the increasing research and development of vehicles, the shapes of the corresponding wheel hubs are various, and it is more difficult to polish wheel hubs of different shapes.

[0003] The invention patent with patent number CN116728244A discloses a wheel hub polishing device, including: a rotary mechanism, a picking mechanism, an end face polishing mechanism, a side face polishing mechanism, a fine polishing mechanism, a retracting mechanism, a loading conveyor belt, a unloading conveyor belt and a control device; the rotary mechanism is fixedly installed on a frame, and a turntable is provided on the rotary mechanism, and a number of cylinders are evenly fixedly connected to the turntable; a picking mechanism corresponding to the number of cylinders is rotatably and slidably installed on the turntable, and the picking mechanism is rotatably connected to the output shaft of the corresponding cylinder; the rotation of the rotary mechanism drives multiple picking mechanisms to intermittently cooperate and connect with the loading conveyor belt, the end face polishing mechanism, the side face polishing mechanism, the fine polishing mechanism, the retracting mechanism and the unloading conveyor belt in sequence; the control device controls the operation of the entire wheel hub polishing device; compared with the existing wheel hub polishing technology, the invention has a higher degree of automation and a higher effect, and the operator only needs to pick up and place the wheel hub next to the loading conveyor belt and the unloading conveyor belt.

[0004] The above-mentioned device realizes polishing with a high degree of automation through intermittent cooperation of multiple polishing mechanisms, conveyor belts and picking mechanisms. However, when the wheel hub is polished by a polishing wheel in the prior art, due to the various shapes of the wheel hub, it is difficult to polish the surface of the wheel hub and the operation is relatively cumbersome. Summary of the invention

[0005] The technical solution of the present invention aims at the technical problem that the existing technical solution is too single, and provides a solution that is significantly different from the existing technology. Specifically, the purpose of the present invention is to provide a wheel hub polishing device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a wheel hub polishing device, comprising a workbench, a support plate is fixedly arranged at the bottom of the workbench, a rotating mechanism is arranged on the top of the support plate, a base is arranged on the side of the workbench, a mounting plate is arranged on the top of the base, a positioning mechanism is arranged on the side wall of the mounting plate, a reciprocating mechanism is slidably arranged on the side wall of the base, a polishing wheel is fixedly arranged on the side wall of the reciprocating mechanism, the positioning mechanism comprises a positioning assembly, a positioning roller, a third motor, a first rack, a first gear, a plurality of positioning plates and a flexible guide rail, the positioning assembly is slidably arranged on the top of the base, the third motor is fixedly arranged on the side wall of the positioning assembly, the positioning roller is fixedly arranged on the end of the output shaft of the third motor, the first gear is fixedly arranged on one end of the positioning roller, the first rack is fixedly arranged on the side wall of the positioning assembly, a plurality of the positioning plates are slidably arranged on the side wall of the positioning assembly, and the flexible guide rail is fixedly arranged on the side walls of a plurality of positioning plates.

[0007] Preferably, the rotating mechanism includes a first motor, a mounting cylinder, four limit channels, four sliding rods, four arc plates, a second motor, four limit columns, two turntables and four arc grooves, one of the turntables is rotatably set on the top of the workbench, the four limit channels are fixedly set on the top of the turntable in an equidistant circular array, the first motor is fixedly set on the bottom of the support plate, the mounting cylinder is fixedly set on the end of the output shaft of the first motor, the second motor is fixedly set inside the mounting cylinder, the other turntable is fixedly set on the end of the output shaft of the second motor, the four arc grooves are set on the turntable located above in an equidistant circular array, the four sliding rods are respectively slidably set inside the four limit channels, the four limit columns are respectively fixedly set on the top of the four sliding rods, and the four arc plates are respectively fixedly set on the ends of the four sliding rods.

[0008] Preferably, the positioning assembly includes an electric push rod, a sliding plate, two first telescopic rods, a transverse plate, two first slide grooves, two second telescopic rods, a guide groove, two end plates, two first springs, a long plate, a plurality of wedge plates, a connecting plate, a plurality of limit plates, a plurality of transverse grooves, two pull rods, a plurality of slide rods and a resisting spring. The electric push rod is fixedly arranged on the side wall of the mounting plate, the sliding plate is fixedly arranged on the end of the output shaft of the electric push rod, the two second telescopic rods are fixedly arranged on the side wall of the sliding plate, the two first slide grooves are arranged on the side wall of the sliding plate, the two first telescopic rods are slidably arranged inside the two first slide grooves, the transverse plate is fixedly arranged between the two first telescopic rods, and the guide groove is It is placed on the side wall of the flexible guide rail, the long plate is fixedly arranged on the side wall of the workbench, the two pull rods are slidably arranged on the side wall of the long plate and are respectively fixedly connected to the two ends of the flexible guide rail, the two end plates are fixedly arranged on the side wall of the long plate, the two first springs are respectively fixedly arranged between the corresponding pull rods and the ends, a number of the sliding rods are respectively fixedly arranged on the corresponding side walls of the positioning plate, a number of the limit plates are respectively fixedly arranged on a number of slide plates, a number of transverse grooves are arranged on the long plate, a number of the limit plates and the sliding rods are located in the corresponding transverse grooves for limited sliding, the connecting plate is slidably arranged on the side wall of the workbench, a number of the wedge plates are fixedly arranged on the side wall of the connecting plate, and the resistance spring is fixedly arranged between the transverse plate and the sliding plate.

[0009] Preferably, the material of the plurality of wedge plates is an elastic soft rubber material, and the height of the plurality of wedge plates is slightly greater than the distance between each adjacent positioning plate.

[0010] Preferably, the reciprocating mechanism includes two reciprocating racks, a fourth motor, a fifth motor, two L-shaped rods, a connecting plate, a first wedge block, a mounting rod, a bottom plate, a plurality of plug-in slots, a second wedge block, a plug rod, a second gear, a guide shaft, a rotating plate, a containing frame, a containing rod, a tension spring and a rotating shaft, one end of the guide shaft is fixedly arranged at the center of the side wall of the polishing wheel, the other end of the guide shaft slides in the guide groove, the connecting plate is slidably arranged on the side wall of the base, the fourth motor is fixedly arranged on the side wall of the connecting rod, the output shaft of the fourth motor is fixedly connected to the polishing wheel, the containing frame is fixedly arranged on the side of the fourth motor away from the polishing wheel, the rotating shaft is rotatably arranged on the side wall of the fourth motor, and the rotating plate is fixed The cam is fixedly arranged on the rotating shaft, the bottom plate is fixedly arranged on the side wall of the connecting plate, the two reciprocating racks are fixedly arranged on the top of the bottom plate, the mounting rod is fixedly arranged on the top of the bottom plate, the first wedge block is fixedly arranged on the top of the mounting rod, the two L-shaped rods are respectively slidably arranged on the two reciprocating rack side walls, the fifth motor is fixedly arranged between the two L-shaped rods, the accommodating rod is rotatably arranged on the end of the output shaft of the fifth motor, the two ends of the tension spring are respectively fixedly connected to the accommodating rod and the rotating plate, the second gear is fixedly arranged on the output shaft of the fifth motor, a plurality of the plug-in grooves are arranged on the side wall of the sliding plate, the plug-in rod is plugged into the plug-in groove, and the second wedge block is fixedly arranged on the end of the plug-in rod.

[0011] Preferably, the two L-shaped rods are telescopic structures, and the connecting plate is a telescopic structure.

[0012] Preferably, two inclined surfaces are arranged on the inner bottom of the containing frame.

[0013] Preferably, the second wedge block is slidably engaged with one of the side walls of the reciprocating rack.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention realizes positioning of wheel hub side walls of various shapes by setting the positioning mechanism, and because the flexible guide rail is made of a soft material, the first spring pulls the two ends of the flexible guide rail, so that the flexible guide rail is in a relatively tight state, ensuring that the track of the guide rail is smooth, and it is more closely fitted to the shape of the wheel hub side wall, ensuring that the polishing degree during polishing is consistent, and the polishing of the outer side wall of the wheel hub of various shapes is adaptive, and the applicability is strong, and there is no need to adjust the polishing pressure, the operation is simple, convenient and fast, and the setting of the resistance spring allows the positioning roller to always give the positioning plate a resistance force, ensuring that each positioning plate can be fitted to the outer side wall of the wheel hub, ensuring that the positioning plate is accurately positioned, and increasing the accuracy of polishing; The present invention realizes automatic reversing according to the height of the wheel hub through the arrangement of a reciprocating rack, a fourth motor, a fifth motor, two L-shaped rods, a connecting plate, a first wedge block, a mounting rod, a bottom plate, a plurality of plug-in slots, a second wedge block, an inserting rod, a second gear, a guide shaft, a rotating plate, a containing frame, a containing rod, a tension spring and a rotating shaft, and does not require an operator to set a control program to control the reciprocating polishing. The operation is simple, convenient and fast, and is worthy of promotion. In addition, by arranging two inclined surfaces and a tension spring in the containing rod, the containing rod can quickly jump and switch when it is interfered by the first wedge block and the second wedge block, and the arrangement of the inclined surface ensures that the second gear can always be meshed with the reciprocating rack for transmission, thereby avoiding slippage. The present invention can fix and limit the wheel hubs of various sizes through the arrangement of the first motor, the mounting tube, four limiting channels, four sliding rods, four arc plates, the second motor, four limiting columns, two rotating disks and four arc grooves, and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the exploded structure of the rotating mechanism of the present invention; Figure 3 It is a schematic diagram of the positioning mechanism structure of the present invention; Figure 4 It is a partial structural schematic diagram of the positioning mechanism of the present invention; Figure 5It is a front structural schematic diagram of the reciprocating mechanism of the present invention; Figure 6 It is a schematic diagram of the back structure of the reciprocating mechanism of the present invention; Figure 7 It is a partial structural schematic diagram of the reciprocating mechanism of the present invention.

[0016] In the figure: 1, workbench; 2, rotating mechanism; 21, first motor; 22, mounting cylinder; 23, limiting channel; 24, sliding rod; 25, arc plate; 26, second motor; 27, limiting column; 28, turntable; 29, arc groove; 3, support plate; 4, base; 5, positioning mechanism; 51, electric push rod; 52, sliding plate; 53, third motor; 54, first telescopic rod; 55, cross plate; 56, first slide groove; 57, second telescopic rod; 58, first rack; 59, first gear; 510, guide groove; 511, end plate; 512, first spring; 513, flexible guide rail; 514, long plate; 515, positioning plate; 516, wedge plate; 517, connecting plate; 518, limit plate; 519, transverse groove; 520, pull rod; 521, slide rod; 522, positioning roller; 523, resistance spring; 6, reciprocating mechanism; 61, reciprocating rack; 62, fourth motor; 63, fifth motor; 64, L-shaped rod; 65, connecting plate; 66, first wedge block; 67, mounting rod; 68, bottom plate; 69, plug-in slot; 610, second wedge block; 611, plug rod; 612, second gear; 613, guide shaft; 614, rotating plate; 615, accommodating frame; 616, accommodating rod; 617, tension spring; 618, rotating shaft; 7, mounting plate; 8, polishing wheel. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] See also Figure 1-Figure 7, an embodiment of the present invention: a wheel hub polishing device, comprising a workbench 1, a support plate 3 is fixedly arranged at the bottom of the workbench 1, a rotating mechanism 2 is arranged on the top of the support plate 3, a base 4 is arranged on the side of the workbench 1, a mounting plate 7 is arranged on the top of the base 4, a positioning mechanism 5 is arranged on the side wall of the mounting plate 7, a reciprocating mechanism 6 is slidably arranged on the side wall of the base 4, a polishing wheel 8 is fixedly arranged on the side wall of the reciprocating mechanism 6, the positioning mechanism 5 comprises a positioning assembly, a positioning roller 522, a third motor 53, a first rack 58, a first gear 59, a plurality of positioning plates 515 and a flexible guide rail 513, the positioning assembly is slidably arranged on the top of the base 4, the third motor 53 is fixedly arranged on the side wall of the positioning assembly, the positioning roller 522 is fixedly arranged on the end of the output shaft of the third motor 53, the first gear 59 is fixedly arranged on one end of the positioning roller 522, the first rack 58 is fixedly arranged on the side wall of the positioning assembly, a plurality of the positioning plates 515 are slidably arranged on the side wall of the positioning assembly, and the flexible guide rail 513 is fixedly arranged on the side walls of a plurality of positioning plates 515. First, place the wheel hub on the workbench 1, and then clamp the wheel hub through the rotating mechanism 2, and then drive the positioning roller 522 to move through the positioning assembly, and then drive the first gear 59 to rotate through the output shaft of the third motor 53, and the first gear 59 rotates and moves under the action of the first rack 58, and the movement of the first gear 59 drives the positioning roller 522 to move all the time, and the positioning roller 522 moves to contact the positioning plate 515 and contact the side wall of the wheel hub, and the movement of the positioning plate 515 drives the flexible guide rail 513 to move synchronously, and then fix the flexible guide rail 513 through the positioning assembly, and then drive the polishing wheel 8 to rotate and move along the flexible guide rail 513 through the reciprocating mechanism 6, and synchronously drive the wheel hub to rotate through the rotating mechanism 2, and cooperate with the polishing wheel 8 to polish the outer ring of the wheel hub.

[0019] Specifically, the rotating mechanism 2 includes a first motor 21, a mounting cylinder 22, four limiting channels 23, four sliding rods 24, four arc plates 25, a second motor 26, four limiting columns 27, two turntables 28 and four arc grooves 29, wherein one of the turntables 28 is rotatably set on the top of the workbench 1, and the four limiting channels 23 are fixedly set on the top of the turntable 28 in an equidistant circular array. The first motor 21 is fixedly set at the bottom of the support plate 3, the mounting cylinder 22 is fixedly set at the end of the output shaft of the first motor 21, the second motor 26 is fixedly set inside the mounting cylinder 22, and the other turntable 28 is fixedly set at the end of the output shaft of the second motor 26. The four arc grooves 29 are set on the turntable 28 located above in an equidistant circular array. The four sliding rods 24 are respectively slidably set inside the four limiting channels 23, the four limiting columns 27 are respectively fixedly set on the top of the four sliding rods 24, and the four arc plates 25 are respectively fixedly set at the ends of the four sliding rods 24. The output shaft of the second motor 26 rotates to drive the upper turntable 28 to rotate, and the rotation of the turntable 28 drives the arc groove 29 to rotate synchronously. The rotation of the arc groove 29 drives the four limit columns 27 and the sliding rod 24 to slide along the limit channel 23. The movement of the sliding rod 24 drives the arc plate 25 to move synchronously to clamp the wheel hub. After the wheel hub is clamped, the output shaft of the first motor 21 rotates to drive the installation cylinder 22 to rotate, and the rotation of the installation cylinder 22 drives the turntable 28 to rotate. The rotation of the turntable 28 drives the sliding rod 24 and the arc plate 25 to move synchronously, and the rotation of the arc plate 25 drives the wheel hub to rotate; it is realized that wheel hubs of various sizes can be fixed and limited, and the applicability is strong.

[0020] Specifically, the positioning assembly includes an electric push rod 51, a sliding plate 52, two first telescopic rods 54, a transverse plate 55, two first slide grooves 56, two second telescopic rods 57, a guide groove 510, two end plates 511, two first springs 512, a long plate 514, a plurality of wedge plates 516, a connecting plate 517, a plurality of limit plates 518, a plurality of transverse grooves 519, two pull rods 520, a plurality of slide rods 521 and a resisting spring 523. The electric push rod 51 is fixedly arranged on the side wall of the mounting plate 7, the sliding plate 52 is fixedly arranged on the end of the output shaft of the electric push rod 51, the two second telescopic rods 57 are fixedly arranged on the side wall of the sliding plate 52, the two first slide grooves 56 are arranged on the side wall of the sliding plate 52, the two first telescopic rods 54 are slidably arranged inside the two first slide grooves 56, the transverse plate 55 is fixedly arranged between the two first telescopic rods 54, and the guide groove 51 0 is arranged on the side wall of the soft guide rail 513, the long plate 514 is fixedly arranged on the side wall of the workbench 1, the two pull rods 520 are slidably arranged on the side wall of the long plate 514 and are respectively fixedly connected to the two ends of the soft guide rail 513, the two end plates 511 are fixedly arranged on the side wall of the long plate 514, the two first springs 512 are respectively fixedly arranged between the corresponding pull rods 520 and the ends, a number of the sliding rods 521 are respectively fixedly arranged on the corresponding side walls of the positioning plate 515, a number of the limiting plates 518 are respectively fixedly arranged on a number of slides, a number of transverse grooves 519 are arranged on the long plate 514, a number of the limiting plates 518 and the sliding rods 521 are located in the corresponding transverse grooves 519 and slide in a limited manner, the connecting plate 517 is slidably arranged on the side wall of the workbench 1, a number of the wedge blocks are fixedly arranged on the side wall of the connecting plate 517, and the resistance spring 523 is fixedly arranged between the transverse plate 55 and the sliding plate 52.The output shaft of the electric push rod 51 extends to drive the sliding plate 52 to move. The sliding plate 52 moves and compresses the resistance spring 523. The resistance spring 523 resists the cross plate 55 and gives a resistance force to the positioning roller 522, so that the positioning roller 522 always resists the end of the positioning plate 515. Then, the output shaft of the third motor 53 rotates to drive the first gear 59 to rotate. The first gear 59 rotates and moves under the action of the first rack 58. The movement of the first gear 59 drives the positioning roller 522 to move all the time. The positioning roller 522 moves to resist the positioning plate 515 and resists the side wall of the wheel hub. The movement of the positioning plate 515 drives the flexible guide rail 513 to move synchronously until the side wall of the wheel hub is completely resisted by the positioning plate 515 from top to bottom. Then, the connecting plate 517 is pushed to drive the wedge plate 516 to move synchronously. The wedge plate 516 is inserted between the corresponding slide bars 521 to limit the slide bars 521, so that the positioning plate 515 is limited, and the pull rod 520 is pulled under the pulling force of the first spring 512, and the pull rod 520 pulls the two ends of the flexible guide rail 513, so that the flexible guide rail 513 is in a relatively tight state; it is achieved that the side walls of the wheel hub of various shapes can be positioned, and because the flexible guide rail 513 is made of soft material, the first spring 512 pulls the two ends of the flexible guide rail 513, so that the flexible guide rail 513 is in a relatively tight state, ensuring that the trajectory of the guide rail is smooth and more closely fits the shape of the wheel hub side wall, ensuring that the polishing degree is consistent during polishing, and adapting to the polishing of the outer side walls of the wheel hub of various shapes, it has strong applicability, and there is no need to adjust the polishing pressure, the operation is simple, and it is convenient and fast.

[0021] Specifically, the material of the plurality of wedge plates 516 is an elastic soft rubber material, and the height of the plurality of wedge plates 516 is slightly greater than the distance between each adjacent positioning plate 515 .

[0022] Specifically, the reciprocating mechanism 6 includes two reciprocating racks 61, a fourth motor 62, a fifth motor 63, two L-shaped rods 64, a connecting plate 65, a first wedge block 66, a mounting rod 67, a bottom plate 68, a plurality of plug-in slots 69, a second wedge block 610, an insert rod 611, a second gear 612, a guide shaft 613, a rotating plate 614, a containing frame 615, a containing rod 616, a tension spring 617 and a rotating shaft 618. One end of the guide shaft 613 is fixedly arranged at the center of the side wall of the polishing wheel 8, and the other end of the guide shaft 613 slides in the guide groove 510. The connecting plate 65 is slidably arranged on the side wall of the base 4. The fourth motor 62 is fixedly arranged on the side wall of the connecting rod. The output shaft of the fourth motor 62 is fixedly connected to the polishing wheel 8. The containing frame 615 is fixedly arranged on the side of the fourth motor 62 away from the polishing wheel 8. The rotating shaft 618 is rotatably arranged on the side wall of the fourth motor 62. The rotating plate 614 is fixedly set on the rotating shaft 618, the bottom plate 68 is fixedly set on the side wall of the connecting plate 65, the two reciprocating racks 61 are fixedly set on the top of the bottom plate 68, the mounting rod 67 is fixedly set on the top of the bottom plate 68, the first wedge block 66 is fixedly set on the top of the mounting rod 67, the two L-shaped rods 64 are respectively slidably set on the side walls of the two reciprocating racks 61, the fifth motor 63 is fixedly set between the two L-shaped rods 64, the accommodating rod 616 is rotatably set on the end of the output shaft of the fifth motor 63, the two ends of the tension spring 617 are respectively fixedly connected to the accommodating rod 616 and the rotating plate 614, the second gear 612 is fixedly set on the output shaft of the fifth motor 63, a plurality of the plug-in grooves 69 are set on the side wall of the sliding plate 52, the plug-in rod 611 is plugged into the plug-in groove 69, and the second wedge block 610 is fixedly set on the end of the plug-in rod 611.First, insert the insertion rod 611 into the slot flush with the top of the wheel hub, then rotate the polishing wheel 8 through the output shaft of the fourth motor 62 to polish, then rotate the output shaft of the fifth motor 63 to drive the second gear 612 to rotate clockwise, and the second gear 612 rotates to cooperate with the reciprocating rack 61 on the right side to move upward until the accommodating rod 616 hits the second wedge block 610, driving the accommodating rod 616 to move leftward in the accommodating frame 615, and because the accommodating rod 616 and the fourth motor 62 are in sliding cooperation, the fourth motor 62 is not driven to move synchronously, and the tension spring 617 cooperates with the accommodating frame 615 to make the accommodating rod 616 jump quickly to the left side of the accommodating frame 615, and the accommodating rod 616 is in a sliding cooperation with the fourth motor 62. The movement of rod 616 drives the fifth motor 63 and the second gear 612 to move synchronously. The output shaft of the fifth motor 63 rotates clockwise to drive the second gear 612 to cooperate with the left reciprocating rack 61 and then move downward, thereby driving the grinding wheel to move up and down synchronously. Similarly, when the accommodating rod 616 moves downward and contacts with the first wedge block 66, it jumps to the right, and through the cooperation of the guide shaft 613 and the guide groove 510, the polishing wheel 8 moves along the guide groove 510 to adaptively polish the outer wall of the wheel hub; automatic reversing according to the height of the wheel hub is realized, and there is no need for the operator to set a control program to control it to perform reciprocating polishing. The operation is simple, convenient and fast, and worthy of promotion.

[0023] Specifically, the two L-shaped rods 64 are telescopic structures, and the connecting plate 65 is a telescopic structure.

[0024] Specifically, two inclined surfaces are arranged at the inner bottom of the containing frame 615 .

[0025] Specifically, the second wedge block 610 is slidably engaged with a side wall of one of the reciprocating racks 61 .

[0026] Working principle: first, place the wheel hub on the workbench 1, and then rotate the output shaft of the second motor 26 to drive the turntable 28 above to rotate, the rotation of the turntable 28 drives the arc groove 29 to rotate synchronously, the rotation of the arc groove 29 drives the four limit columns 27 and the sliding rod 24 to slide along the limit channel 23, the movement of the sliding rod 24 drives the arc plate 25 to move synchronously to clamp the wheel hub, and after the wheel hub is clamped, the output shaft of the first motor 21 drives the installation cylinder 22 to rotate, the rotation of the installation cylinder 22 drives the turntable 28 to rotate, the rotation of the turntable 28 drives the sliding rod 24 and the arc plate 25 to move synchronously, the rotation of the arc plate 25 drives the wheel hub to rotate, and then the output shaft of the electric push rod 51 extends to drive the sliding plate 52 to move, and the sliding plate 52 moves to compress The resistance spring 523 resists the cross plate 55 and gives the positioning roller 522 a resistance force at the same time, so that the positioning roller 522 always resists the end of the positioning plate 515, and then the output shaft of the third motor 53 rotates to drive the first gear 59 to rotate, and the first gear 59 rotates to move under the action of the first rack 58, and the first gear 59 moves to drive the positioning roller 522 to move all the time, and the positioning roller 522 moves to resist the positioning plate 515 and resist the side wall of the hub, and the positioning plate 515 moves to drive the flexible guide rail 513 to move synchronously, until the side wall of the hub is completely resisted by the positioning plate 515 from top to bottom, and then the connecting plate 517 is pushed to drive the wedge plate 516 to move synchronously, and the wedge plate 516 is inserted into the corresponding slide rod The sliding rod 521 is limited between the two ends of the sliding rod 521, so that the positioning plate 515 is limited, and the pull rod 520 is pulled under the pulling force of the first spring 512, and the pull rod 520 pulls the two ends of the flexible guide rail 513, so that the flexible guide rail 513 is in a relatively tight state, and then the insertion rod 611 is first inserted into the slot flush with the top of the wheel hub, and then the polishing wheel 8 is driven to rotate and polish through the rotation of the output shaft of the fourth motor 62, and then the second gear 612 is driven to rotate clockwise through the output shaft of the fifth motor 63. The second gear 612 rotates to cooperate with the reciprocating rack 61 on the right side to move upward until the accommodating rod 616 contacts the second wedge block 610, driving the accommodating rod 616 to move leftward in the accommodating frame 615, and because the accommodating rod 6 16 is in sliding cooperation with the fourth motor 62, and does not drive the fourth motor 62 to move synchronously, and through the cooperation of the tension spring 617 and the accommodating frame 615, the accommodating rod 616 quickly jumps to the left side of the accommodating frame 615, and the movement of the accommodating rod 616 drives the fifth motor 63 and the second gear 612 to move synchronously, and the clockwise rotation of the output shaft of the fifth motor 63 drives the second gear 612 to cooperate with the left reciprocating rack 61 and then move downward, thereby driving the grinding wheel to move up and down synchronously. Similarly, when the accommodating rod 616 moves downward and conflicts with the first wedge block 66, it jumps to the right, and through the cooperation of the guide shaft 613 and the guide groove 510, the polishing wheel 8 moves along the guide groove 510 to adaptively polish the outer wall of the hub.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheel hub polishing device, comprising a workbench (1), characterized in that: A support plate (3) is fixedly arranged at the bottom of the workbench (1), a rotating mechanism (2) is arranged on the top of the support plate (3), a base (4) is arranged on the side of the workbench (1), a mounting plate (7) is arranged on the top of the base (4), a positioning mechanism (5) is arranged on the side wall of the mounting plate (7), a reciprocating mechanism (6) is slidably arranged on the side wall of the base (4), a polishing wheel (8) is fixedly arranged on the side wall of the reciprocating mechanism (6), the positioning mechanism (5) comprises a positioning assembly, a positioning roller (522), a third motor (53), a first rack (58), a first gear (5 9), a plurality of positioning plates (515) and a flexible guide rail (513), the positioning assembly is slidably arranged on the top of the base (4), the third motor (53) is fixedly arranged on the side wall of the positioning assembly, the positioning roller (522) is fixedly arranged on the end of the output shaft of the third motor (53), the first gear (59) is fixedly arranged on one end of the positioning roller (522), the first rack (58) is fixedly arranged on the side wall of the positioning assembly, a plurality of the positioning plates (515) are slidably arranged on the side wall of the positioning assembly, and the flexible guide rail (513) is fixedly arranged on the side walls of a plurality of the positioning plates (515).

2. A hub polishing device according to claim 1, characterized in that: The rotating mechanism (2) comprises a first motor (21), a mounting cylinder (22), four limiting channels (23), four sliding rods (24), four arc-shaped plates (25), a second motor (26), four limiting columns (27), two rotating disks (28) and four arc-shaped grooves (29), wherein one of the rotating disks (28) is rotatably arranged on the top of the workbench (1), the four limiting channels (23) are fixedly arranged on the top of the rotating disk (28) in an equidistant circular array, the first motor (21) is fixedly arranged on the bottom of the support plate (3), and the mounting cylinder (22) is fixedly arranged on the bottom of the support plate (3). The first motor (21) is mounted at the end of the output shaft of the second motor (21), the second motor (26) is fixedly arranged inside the mounting tube (22), another rotating disk (28) is fixedly arranged at the end of the output shaft of the second motor (26), four arc-shaped grooves (29) are arranged in an equidistant circular array on the rotating disk (28) located above, four sliding rods (24) are respectively slidably arranged inside four limiting channels (23), four limiting columns (27) are respectively fixedly arranged on the top of the four sliding rods (24), and four arc-shaped plates (25) are respectively fixedly arranged at the ends of the four sliding rods (24).

3. A hub polishing device according to claim 2, characterized in that: The positioning assembly comprises an electric push rod (51), a sliding plate (52), two first telescopic rods (54), a transverse plate (55), two first slide grooves (56), two second telescopic rods (57), a guide groove (510), two end plates (511), two first springs (512), a long plate (514), a plurality of wedge plates (516), a connecting plate (517), a plurality of limit plates (518), a plurality of transverse grooves (519), two pull rods (520), a plurality of slide rods (521) and a resisting spring (5 23), the electric push rod (51) is fixedly arranged on the side wall of the mounting plate (7), the sliding plate (52) is fixedly arranged on the end of the output shaft of the electric push rod (51), the two second telescopic rods (57) are fixedly arranged on the side wall of the sliding plate (52), the two first slide grooves (56) are arranged on the side wall of the sliding plate (52), the two first telescopic rods (54) are slidably arranged inside the two first slide grooves (56), the cross plate (55) is fixedly arranged between the two first telescopic rods (54), and the guide groove (5 10) is arranged on the side wall of the flexible guide rail (513), the long plate (514) is fixedly arranged on the side wall of the workbench (1), the two pull rods (520) are slidably arranged on the side wall of the long plate (514) and are respectively fixedly connected to the two ends of the flexible guide rail (513), the two end plates (511) are fixedly arranged on the side wall of the long plate (514), the two first springs (512) are respectively fixedly arranged between the corresponding pull rods (520) and the ends, and the plurality of slide rods (521) are respectively fixedly arranged on the corresponding positioning plates (5 15) side wall, a plurality of the limit plates (518) are respectively fixedly arranged on a plurality of slide plates, a plurality of transverse grooves (519) are arranged on the long plate (514), a plurality of the limit plates (518) and the slide bars (521) are located in the corresponding transverse grooves (519) for limited sliding, the connecting plate (517) is slidably arranged on the side wall of the workbench (1), a plurality of the wedge plates (516) are fixedly arranged on the side wall of the connecting plate (517), and the resisting spring (523) is fixedly arranged between the transverse plate (55) and the sliding plate (52).

4. A hub polishing device according to claim 3, characterized in that: The material of the plurality of wedge-shaped plates (516) is an elastic soft rubber material, and the height of the plurality of wedge-shaped plates (516) is slightly greater than the distance between each adjacent positioning plate (515).

5. A hub polishing device according to claim 3, characterized in that: The reciprocating mechanism (6) comprises two reciprocating racks (61), a fourth motor (62), a fifth motor (63), two L-shaped rods (64), a connecting plate (65), a first wedge block (66), a mounting rod (67), a bottom plate (68), a plurality of plug-in slots (69), a second wedge block (610), an insertion rod (611), a second gear (612), a guide shaft (613), a rotating plate (614), a containing frame (615), a containing rod (616), a tension spring (617) and a rotating shaft (618), wherein the One end of the guide shaft (613) is fixedly arranged at the center of the side wall of the polishing wheel (8), the other end of the guide shaft (613) is located in the guide groove (510) and slides, the connecting plate (65) is slidably arranged on the side wall of the base (4), the fourth motor (62) is fixedly arranged on the side wall of the connecting rod, the output shaft of the fourth motor (62) is fixedly connected to the polishing wheel (8), the accommodating frame (615) is fixedly arranged on the side of the fourth motor (62) away from the polishing wheel (8), and the rotating shaft (618) is rotatably arranged on the fourth motor (62) ) side wall, the rotating plate (614) is fixedly arranged on the rotating shaft (618), the bottom plate (68) is fixedly arranged on the side wall of the connecting plate (65), the two reciprocating racks (61) are fixedly arranged on the top of the bottom plate (68), the mounting rod (67) is fixedly arranged on the top of the bottom plate (68), the first wedge block (66) is fixedly arranged on the top of the mounting rod (67), the two L-shaped rods (64) are respectively slidably arranged on the side walls of the two reciprocating racks (61), and the fifth motor (63) is fixedly arranged on the two L-shaped The accommodating rod (616) is rotatably arranged at the end of the output shaft of the fifth motor (63), the two ends of the tension spring (617) are respectively fixedly connected to the accommodating rod (616) and the rotating plate (614), the second gear (612) is fixedly arranged on the output shaft of the fifth motor (63), a plurality of the plug-in grooves (69) are arranged on the side wall of the sliding plate (52), the plug-in rod (611) is plugged into the plug-in grooves (69), and the second wedge block (610) is fixedly arranged at the end of the plug-in rod (611).

6. A hub polishing device according to claim 5, characterized in that: The two L-shaped rods (64) are telescopic structures, and the connecting plate (65) is a telescopic structure.

7. A hub polishing device according to claim 5, characterized in that: The inner bottom of the containing frame (615) is provided with two inclined surfaces.

8. A hub polishing device according to claim 5, characterized in that: The second wedge block (610) is slidably engaged with a side wall of one of the reciprocating racks (61).

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