WO2015149480A1

WO2015149480A1 - Wheel hub polishing equipment

Info

Publication number: WO2015149480A1
Application number: PCT/CN2014/086045
Authority: WO
Inventors: 黄文侃
Original assignee: 黄文侃
Priority date: 2014-04-04
Filing date: 2014-09-05
Publication date: 2015-10-08
Also published as: CN203738499U

Abstract

Disclosed is wheel hub polishing equipment. Each wheel hub polishing unit in the wheel hub polishing equipment polishes a wheel hub workpiece moving on a wheel hub support guide rail by means of a high-pressure jet, while a moving cylinder (61) drives the reciprocating movement of the wheel hub support guide rail, a moving wheel (51) on the wheel hub support guide rail drives the forward and backward rotation of the wheel hub workpiece on a wheel hub rotation bracket by means of a steering gear, each face and each blind angle of the wheel hub workpiece is polished by an abrasive liquid/abrasive material high-pressure jet, and the polishing precision is high, the polishing speed is fast and the polishing effects are good.

Description

Wheel grinding and polishing equipment

Technical field

The invention relates to a grinding and polishing device, in particular to a wheel grinding and polishing device.

Background technique

The existing metal wheels, especially the aluminum alloy wheels, are formed by die-casting, and the surface of the hub has granular protrusions, which are very uneven, so the aluminum alloy hub needs to be polished before the coating process. The traditional wheel surface grinding is performed by manual grinding and polishing. The disadvantages are that it is time-consuming and labor-intensive, and the efficiency is extremely low. Especially on the seams and corners of the surface of the wheel hub, it is very difficult to polish, and slight carelessness will cause the arc surface to be excessively deformed; When it is manually polished, it is easy to cause air pollution and affect the health of workers. At the same time, the appearance of the artificially polished wheel gives a visually rough and flawless appearance.

Summary of the invention

In order to solve the above problems, an object of the present invention is to provide a wheel grinding and polishing apparatus which has novel structure, strong automation performance and convenient processing.

In order to achieve the above object, the present invention adopts the following technical solutions:

A wheel hub grinding and polishing device, comprising a frame and a belt disposed on the frame, a translation mechanism, a grinding abrasive drum, a grinding fluid tank, a grinding abrasive collection box, a plurality of hub mounting devices, and a plurality of wheel grinding and polishing units; A plurality of hub mounting devices are sequentially mounted on the belt, each hub mounting device includes a moving wheel, a steering wheel, a hub rotating bracket and a mounting plate, the mounting plate is mounted on the belt, the hub rotating bracket is mounted on the mounting plate end, and the moving wheel is mounted on the belt The lower end of the mounting plate; the translation mechanism includes a moving cylinder and a hub bracket rail, the moving cylinder is fixed on the frame, the hub bracket rail is connected to the output end of the moving cylinder, and the moving wheel on the hub mounting device moves on the hub bracket rail The moving cylinder drives the wheel bracket rail to move back and forth, and the moving wheel on the wheel bracket rail drives the wheel rotating bracket to rotate forward and backward through the steering gear; the wheel rotating bracket includes a plurality of metal poles, and each metal pole has an anti-wear sleeve And the anti-friction wheel limit block, the anti-wear sleeve is arranged outside the metal pole, the anti-wear wheel limit block is slidably arranged on the anti-wear sleeve; the grinding mill The collecting box is under the guide rail of the wheel hub, the abrasive abrasive collecting box is connected with the grinding abrasive box, the grinding abrasive box is connected with the grinding liquid tank, and the grinding liquid filter plate is arranged between the grinding abrasive box and the grinding liquid box, and the grinding liquid filter is arranged. The aperture of the plate is smaller than the diameter of the abrasive;

A plurality of wheel hub polishing units are sequentially disposed on the frame along the conveying direction of the belt; each wheel hub polishing unit comprises a high pressure jet device, a abrasive abrasive conveying device and a plurality of abrasive abrasive mixers; both ends of the high pressure jet device Connected to the grinding tank and the abrasive abrasive mixer respectively, the two ends of the abrasive abrasive conveying device are respectively connected with the grinding abrasive tank and the abrasive abrasive mixer, and the high pressure jet device comprises a high pressure jet pump, a high pressure main pipe and a high pressure distributor. The high pressure jet pump is connected to the high pressure distributor through a high pressure main pipe, and the abrasive abrasive conveying device comprises a grinding abrasive pump, a grinding abrasive conveying main pipe and a grinding abrasive distributor, and a grinding machine. The liquid abrasive pump is connected to the abrasive abrasive distributor through the abrasive abrasive delivery main; each of the abrasive abrasive mixers is provided with a high pressure inlet connected to the high pressure distributor and two abrasive abrasive inlets connected to the abrasive abrasive distributor. And a jet head communicating with the high pressure inlet and the two abrasive abrasive inlets, the high pressure inlet is in the middle of the upper end of the abrasive abrasive mixer, the two abrasive abrasive inlets are respectively on both sides of the high pressure inlet, and the jet head is in the abrasive abrasive mixing In the middle of the lower end of the device, the jet head faces the hub bracket rail, and the shortest distance between the jet head and the hub rotating bracket is between 5 and 50 cm.

Preferably, the hub bracket rail comprises a rail seat and a wear rail, and the wear rail is fixed on the rail seat. The anti-wear track can be a plastic track. The advantages of the plastic track are: 1. Since the wheel support guide rail is always under the high pressure erosion of the abrasive abrasive, the plastic track is not easy to wear compared with the traditional metal guide rail; 2, the plastic track and the moving wheel It is not easy to slip between.

Preferably, the distance between the adjacent two hub mounting devices is 60 to 80 cm, that is, the distance between the processing positions of the two hubs is 60 to 80 cm.

Preferably, two abrasive abrasive delivery devices are provided on each hub grinding and polishing unit. In order to meet the grinding and polishing quality of the hub, two abrasive abrasive conveying devices are generally selected.

Preferably, the belt is driven by a pulley, and a belt rib is integrally formed with the belt in the middle of the belt, and a pulley groove matched with the belt rib is provided in the middle of the pulley to play the role of positioning and guiding.

Preferably, the frame is further provided with a plurality of protective covers which prevent the abrasive abrasive from being sprayed out.

The invention adopts the above technical solution, each wheel hub grinding and polishing unit in the wheel hub polishing and polishing apparatus performs grinding and polishing processing on the hub workpiece moving on the wheel bracket rail by the high pressure jet, and simultaneously moves the cylinder to drive the wheel bracket rail to move back and forth, the hub bracket The moving wheel on the guide rail drives the hub workpiece on the rotating bracket of the hub to rotate forward and backward through the steering gear, and the workpiece of the hub reaches the grinding and polishing of each surface and each dead angle in the high-pressure jet of the abrasive abrasive, which has high grinding and polishing precision and fast grinding and polishing speed. And the grinding and polishing effect is good.

DRAWINGS

Figure 1 is a schematic view of a partial structure of the present invention.

Fig. 2 is an enlarged view of a portion A of Fig. 1;

Figure 3 is a schematic side view showing the structure of the present invention.

Fig. 4 is an enlarged view of a portion B of Fig. 3;

detailed description

Preferred embodiments of the present invention will now be described in further detail with reference to the accompanying drawings.

A hub grinding and polishing apparatus as shown in FIGS. 1 to 4 includes a frame 1 and a belt 2 disposed on the frame 1, a translation mechanism, a grinding abrasive drum 12, a grinding fluid tank 13, a plurality of hub mounting devices, A plurality of hub grinding and polishing units and a plurality of protective covers 11. The belt 2 is driven by a pulley, and a belt rib 21 integrally connected thereto is provided in the middle of the belt 2, and the middle portion of the pulley The pulley groove 22 is matched with the belt rib 21, and the belt 2 can play a role of positioning and guiding when the belt 2 is running at a high speed, and prevents the belt 2 from being detached from the pulley. A plurality of shields 11 are sequentially disposed on the frame 1 in the conveying direction of the belt 2, and the shield 11 prevents the abrasive abrasive from being sprayed out.

A plurality of hub mounting devices are sequentially mounted on the belt 2, specifically, the distance between the adjacent two hub mounting devices is 60-80 cm, that is, the distance between the processing positions of the two hubs is 60-80 cm. Each of the hub mounting devices includes a moving wheel 51, a steering gear 52, a hub rotating bracket 53 and a mounting plate 54, which is mounted on the belt 2 by a rotating wheel, and the hub rotating bracket 53 is mounted on the upper end of the mounting plate 54, and the moving wheel 51 is mounted At the lower end of the mounting plate 54, the moving wheel 51 is coupled to the hub rotating bracket 53 via the steering gear 52. The mounting plate 54 is critical in that the hub mounting device is mounted to the belt 2 by the mounting plate 54 and, on the other hand, the mounting plate 54 protects the moving wheel 51 and the diverter 52 from the high pressure wash of the abrasive abrasive. The wheel rotating bracket 53 includes a plurality of metal rods 531. Each of the metal rods 531 is provided with a wear-resistant sleeve 532 and a wear-resistant hub limiting block 533. The wear-resistant sleeve 532 is sleeved on the outside of the metal rod 531, and is wear-resistant. The hub limit block 533 is slidably disposed on the wear sleeve 532. The wheel hub is fixed on the wheel swivel bracket 53. The anti-friction hub limit block 533 simply slid to define the position of the hub, and the wear guard sleeve 532 is on the one hand to prevent the strut of the wheel swivel bracket 53 from being washed and worn by the abrasive abrasive, and the other It also prevents slippage between the hub and the strut.

The translation mechanism includes a moving cylinder 61 and a hub bracket rail. The moving cylinder 61 is fixed on the frame 1. The hub bracket rail is connected to the output end of the moving cylinder 61. The moving wheel 51 on the hub mounting device moves on the hub bracket rail, and moves. The cylinder 61 drives the hub bracket rail to move back and forth, and the moving wheel 51 on the hub bracket rail drives the hub rotation bracket 53 to rotate forward and backward through the steering gear 52. That is, the reciprocating output of the moving cylinder 61 drives the forward and reverse rotation of the hub workpiece, and the rotation period is 20-80 rpm, which reaches the grinding and polishing of each surface of the hub and each dead angle, and has high grinding and polishing precision, fast grinding and polishing, and grinding. The throwing effect is good. The hub bracket rail includes a rail seat 62 and a wear rail 63, and the wear rail 63 is fixed to the rail seat 62. There is another moving structure, that is, a gear is used instead of the moving wheel 51, and the rack is used instead of the wear rail 63. However, such a structure needs to be equipped with the protective cover 11 under the high-pressure scouring of the abrasive abrasive. Therefore, the present embodiment preferably moves the wheel 51 and wears. The track 63, the wear track 63 can be a plastic track, and the advantages of the plastic track are: 1. Since the wheel bracket guide rail is always under the high pressure erosion of the abrasive abrasive, the plastic track is not easy to wear. 2. It is not easy to slip between the plastic track and the moving wheel 51.

A grinding abrasive collecting box 14 is disposed on the frame 1 below the wheel bracket rail, the abrasive abrasive collecting box 14 is in communication with the grinding abrasive drum 12, the grinding abrasive box 12 is in communication with the grinding tank 13, and the grinding abrasive box 12 is A grinding fluid filter plate 15 is disposed between the grinding fluid tanks 13. The pore diameter of the grinding fluid filtering plate 15 is smaller than the diameter of the abrasive, and the general pore diameter is between 0.5 and 5 mm, which is specifically determined according to the particle size of the abrasive. The abrasive abrasive collection box 14 is used to collect the used abrasive abrasive. The abrasive abrasive flows into the abrasive abrasive tank 12 through the abrasive abrasive collection tank 14, and then passes through the abrasive filtration plate 15, and only the abrasive enters the abrasive tank 13 Inside, at this time, there is only grinding fluid in the grinding fluid tank 13, and there is a grinding abrasive in the grinding fluid abrasive box 12.

A plurality of hub grinding and polishing units are sequentially disposed on the frame 1 in the conveying direction of the belt 2. Each hub grinding and polishing unit includes a high pressure jet device, two abrasive abrasive delivery devices, and a plurality of abrasive abrasive mixers 7. The two ends of the high-pressure jet device are respectively connected with the grinding fluid tank 13 and the abrasive abrasive mixer 7. The two ends of the abrasive abrasive conveying device are respectively connected with the grinding abrasive drum 12 and the abrasive abrasive mixer 7: specifically the high-pressure jet device The utility model comprises a high pressure jet pump 31, a high pressure main pipe 32 and a high pressure distributor 33. The high pressure jet pump 31 is connected to the high pressure distributor 33 through the high pressure main pipe 32; the grinding and polishing quality of the hub is required to be met, and generally two abrasive abrasive conveying devices are selected, each The abrasive abrasive delivery device each includes a abrasive abrasive pump 41, a abrasive abrasive delivery tube 42 and a abrasive abrasive distributor 43 that is coupled to the abrasive abrasive distributor 43 by a abrasive abrasive delivery tube 42. Each of the abrasive abrasive mixers 7 is provided with a high pressure inlet 71 connected to the high pressure distributor 33 and two abrasive abrasive inlets 72 connected to the abrasive abrasive distributor 43, the high pressure inlet 71 being in the abrasive abrasive mixer 7. In the middle of the upper end, two abrasive abrasive inlets 72 are respectively located on either side of the high pressure inlet 71. Flown into the high pressure inlet 71 is a grinding liquid treated by the high pressure jet pump 31, the high pressure main pipe 32, and the high pressure distributor 33. At this time, the grinding fluid pressure is 0.2 to 1 MPa; the molten abrasive inlet 72 is filled with gold steel sand, etc. a mixture of solid particulate abrasive and grinding fluid; a middle portion of the lower end of the abrasive abrasive mixer 7 is provided with a jet head 73. The jet head 73 communicates with the high pressure inlet 71 and the two abrasive abrasive inlets 72, and the jet head 73 faces the hub bracket rail. In the abrasive abrasive mixer 7, the abrasive abrasive is mixed with the high-pressure grinding fluid, and is sprayed from the jet head 73 to the hub workpiece moved on the hub bracket rail, and the shortest distance and high pressure between the jet head 73 and the hub rotating bracket 53. The magnitude of the hydraulic pressure generated by the fluidic device is proportional, since the high pressure jet device produces a high pressure of 0.2 to 1 MPa, so the shortest distance between the jet head 73 and the hub rotating bracket 53 is preferably between 5 and 50 cm.

In summary, each of the hub grinding and polishing units of the wheel grinding and polishing apparatus performs grinding and polishing on the hub workpiece moving on the wheel bracket rail by the high pressure jet, and simultaneously moves the cylinder to drive the wheel bracket rail to move back and forth, and the hub bracket rail The moving wheel drives the hub workpiece on the rotating bracket of the wheel to rotate forward and backward through the steering gear. The workpiece of the wheel is in the high-pressure jet of the abrasive abrasive to reach the grinding and polishing of each surface and each dead angle. The grinding and polishing precision is high, the grinding and polishing speed is fast and the grinding The throwing effect is good. At the same time, the abrasive abrasive collection box is used to collect the used abrasive abrasive. The abrasive abrasive flows into the abrasive abrasive tank through the abrasive abrasive collection box, and then passes through the grinding fluid filter plate. Only the grinding fluid enters the grinding fluid tank and is ground. The abrasive slurry of the liquid abrasive tank is recycled through the abrasive abrasive conveying device, and the grinding fluid in the grinding fluid tank is recycled through the high pressure jet device.

Claims

A wheel hub grinding and polishing device, comprising: a frame and a belt disposed on the frame, a translation mechanism, a grinding abrasive drum, a grinding fluid tank, a grinding abrasive collection box, a plurality of hub mounting devices, and a plurality of hubs Grinding and polishing unit; a plurality of hub mounting devices are sequentially mounted on the belt, each hub mounting device comprises a moving wheel, a steering wheel, a hub rotating bracket and a mounting plate, the mounting plate is mounted on the belt, and the hub rotating bracket is mounted on the mounting plate end, The moving wheel is mounted at the lower end of the mounting plate; the translation mechanism includes a moving cylinder and a hub bracket rail, the moving cylinder is fixed on the frame, the hub bracket rail is connected to the output end of the moving cylinder, and the moving wheel on the hub mounting device is at the hub Moving on the bracket rail, the moving cylinder drives the wheel bracket rail to move back and forth, and the moving wheel on the wheel bracket rail drives the wheel rotating bracket to rotate forward and backward through the steering gear; the wheel rotating bracket includes a plurality of metal poles, and each metal pole is provided There are anti-wear sleeves and anti-wear wheel limit blocks. The anti-wear sleeves are set on the outer side of the metal rods, and the anti-wear wheel limit blocks are slidably set in the anti-wear. The grinding abrasive collecting box is below the wheel bracket guide rail, the abrasive abrasive collecting box is connected with the grinding abrasive box, the grinding abrasive box is connected with the grinding tank, and the grinding liquid filter is arranged between the grinding abrasive tank and the grinding tank. The diameter of the plate and the filter plate is smaller than the diameter of the abrasive;

A plurality of wheel hub polishing units are sequentially disposed on the frame along the conveying direction of the belt; each wheel hub polishing unit comprises a high pressure jet device, a abrasive abrasive conveying device and a plurality of abrasive abrasive mixers; both ends of the high pressure jet device Connected to the grinding tank and the abrasive abrasive mixer respectively, the two ends of the abrasive abrasive conveying device are respectively connected with the grinding abrasive tank and the abrasive abrasive mixer, and the high pressure jet device comprises a high pressure jet pump, a high pressure main pipe and a high pressure distributor. The high pressure jet pump is connected to the high pressure distributor through a high pressure main pipe, and the abrasive abrasive conveying device comprises a grinding abrasive pump, a grinding abrasive conveying main pipe and a grinding abrasive distributor, and the abrasive abrasive pump passes the abrasive abrasive conveying main pipe and the abrasive abrasive. The distributor is connected; each of the abrasive abrasive mixers is provided with a high pressure inlet connected to the high pressure distributor, two abrasive abrasive inlets connected to the abrasive abrasive distributor, and between the high pressure inlet and the two abrasive abrasive inlets. The same jet head, the high pressure inlet is in the middle of the upper end of the abrasive abrasive mixer, and the two abrasive abrasive inlets are respectively on both sides of the high pressure inlet, the jet Abrasive grinding fluid in the middle of the lower end of the mixer, the jet head carriage rails towards the hub, and the hub rotating jet head between 5 ~ 50cm is the shortest distance between the scaffold.
A wheel hub grinding and polishing apparatus according to claim 1, wherein said wheel carrier rail comprises a rail seat and a wear rail, and the wear rail is fixed to the rail seat.
A hub grinding and polishing apparatus according to claim 2, wherein a distance between adjacent two hub mounting devices is 60 to 80 cm.
A wheel grinding and polishing apparatus according to claim 1, wherein each wheel hub grinding machine There are two abrasive abrasive conveying devices on the throwing unit.
A wheel hub grinding and polishing apparatus according to claim 1, wherein said belt is driven by a pulley, and a belt rib is integrally provided in the middle of the belt, and a middle portion of the pulley is matched with the belt rib. Pulley groove.
A hub grinding and polishing apparatus according to claim 1, wherein the frame is further provided with a plurality of shields.