CN113523819B - Automatic production assembly line and process for finish machining of thrust wheel - Google Patents

Automatic production assembly line and process for finish machining of thrust wheel Download PDF

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Publication number
CN113523819B
CN113523819B CN202110676052.0A CN202110676052A CN113523819B CN 113523819 B CN113523819 B CN 113523819B CN 202110676052 A CN202110676052 A CN 202110676052A CN 113523819 B CN113523819 B CN 113523819B
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station
wheel body
numerical control
half wheel
shell
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CN113523819A (en
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李建卫
谢招展
黄腾昭
张青华
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Fujian Hengjin Technology Co ltd
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Fujian Hengjin Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/06Metal-working plant comprising a number of associated machines or apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
    • B23P21/004Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
    • B23Q7/04Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers

Abstract

The invention discloses a thrust wheel finish machining automatic production assembly line and a process, which comprises an automatic machining production line and an automatic assembly line; the automatic processing production line comprises a first conveying device, a second conveying device, a first numerical control vertical lathe, a second numerical control vertical lathe, a first numerical control drilling machine, a second numerical control drilling machine, a press fitting oil press, a carbon dioxide protection welding machine, a finish turning numerical control lathe, a polishing station and a first manipulator for moving a workpiece; the automatic assembly line comprises a third conveying device, a cleaning and drying box, a first rotary air compressor, a second rotary air compressor, a fulcrum shaft assembling station, an O-shaped ring assembling station, a third rotary air compressor, a side cover assembling station, a positioning pin beating station, an air leakage detection station, an oil injection station, a locking screw O-shaped ring station, a running-in station and a storage station which are sequentially arranged; compared with the prior art, the workpiece moving device has the advantages that the workpiece moving is realized through the first mechanical arm and the second mechanical arm, the number of workers is reduced, the production cost can be reduced, and the production efficiency is improved.

Description

Automatic production assembly line and process for finish machining of thrust wheel
Technical Field
The invention relates to the field of thrust wheel production, in particular to an automatic production assembly line and process for finish machining of a thrust wheel.
Background
The thrust wheel is one of four wheels and one belt of a chassis of the crawler type engineering machine, and mainly has the function of supporting the weight of the excavator and the bulldozer and enabling the crawler to advance along the wheel. The thrust wheel has huge demand in the engineering machinery industry. At present, most of domestic thrust wheel production enterprises adopt the traditional process flow and carry out production by manually operating numerical control equipment. The production of thrust wheel belongs to intensive labor processing trade, and the wheel body is heavier, and intensity of labour is big, at the bottom of the production efficiency to cause personnel's tired excessively to arouse personnel to run off easily, cause the recruitment to waste, thereby lead to the human cost constantly to increase, the enterprise's burden is more and more heavy.
Although the existing enterprises develop devices for partially replacing manual work to produce the thrust wheel, the shortcomings of low automation degree still exist, and the market demands cannot be met.
In view of the above, the applicant has made an intensive study on the above-mentioned defects in the prior art, and has made this invention.
Disclosure of Invention
The invention mainly aims to provide an automatic production assembly line and process for finish machining of a thrust wheel, which have the characteristic of completing the production of the thrust wheel with high automation degree and improve the production efficiency.
In order to achieve the above purpose, the solution of the invention is:
a thrust wheel finish machining automatic production assembly line comprises an automatic machining production line and an automatic assembly line; the automatic processing production line comprises a first conveying device, a second conveying device, a first numerical control vertical lathe, a second numerical control vertical lathe, a first numerical control drilling machine, a second numerical control drilling machine, a press-fitting oil press, a carbon dioxide protection welding machine, a finish turning numerical control lathe, a polishing station and a first manipulator for moving a workpiece; the first manipulator moves along a first moving rail erected in the air; the first conveying device and the second conveying device respectively convey a first half wheel body and a second half wheel body which form a thrust wheel shell; the first numerical control vertical lathe and the second numerical control vertical lathe respectively perform rough turning on the first half wheel body and the second half wheel body, and the first numerical control drilling machine and the second numerical control drilling machine respectively perform drilling on the first half wheel body and the second half wheel body; the first half wheel body and the second half wheel body are pressed and mounted on the pressing and mounting oil press; welding the pressed first half wheel body and the pressed second half wheel body in the carbon dioxide protection welding machine, transferring the welded thrust wheel shell to a finish turning numerical control lathe through a first manipulator for finish turning, and transferring the finish turned thrust wheel shell to a polishing station under the driving of the first manipulator;
the automatic assembly line comprises a third conveying device, a cleaning and drying box, a first rotary air compressor, a second rotary air compressor, a fulcrum shaft assembling station, an O-shaped ring assembling station, a third rotary air compressor, a side cover assembling station, a positioning pin opening station, an air leakage opening detection station, an oil filling station, a locking screw O-shaped ring station, a running-in station and a storage station which are sequentially arranged; the automated assembly line further comprises a second robot for moving the workpiece; the second manipulator moves along a second moving track erected in the air; the supporting wheel shell processed by a grinding station of the automatic processing production line and the prepared side cover and supporting shaft are placed on a third conveying device, and the cleaning and drying box is arranged on the third conveying device to clean and dry the supporting wheel shell, the side cover and the supporting shaft; the second manipulator moves the cleaned and dried support wheel shell into the first rotary air compressor to press a bearing bush, an oil seal is pressed in the second rotary air compressor, and support wheel assembly and O-shaped ring assembly are respectively carried out on the support wheel shell at a support shaft assembly station and an O-shaped ring assembly station; in the third rotary air compressor, the third rotary air compressor vertically presses the side cover oil seal into the side cover, and two side plates are assembled on the shell of the thrust wheel at a side cover assembling station; mounting a positioning pin in a positioning pin punching station; and then the second manipulator sequentially passes through an inflating and air leakage detecting station, an oil injecting station, a locking screw O-shaped ring station, a running-in station and a storage station for the thrust wheel provided with the positioning pin.
Furthermore, the number of the finish turning numerically controlled lathes is two.
Furthermore, the relative one end of first half wheel body and second half wheel body is formed with spacing bulge loop and spacing annular respectively, when first half wheel body and second half wheel body carry out the pressure equipment, spacing bulge loop joint is in the spacing annular.
A thrust wheel finish machining automatic production assembly process comprises the steps of using the thrust wheel finish machining automatic production assembly line, and further comprising two steps of automatic machining production and automatic assembly of a thrust wheel shell;
specifically, the automatic processing production of the shell of the thrust wheel comprises the following steps:
(1) the first conveying device and the second conveying device respectively convey the first half wheel body and the second half wheel body;
(2) the first manipulator conveys the first half wheel body and the second half wheel body to a first numerical control vertical lathe and a second numerical control vertical lathe respectively, and the first numerical control vertical lathe and the second numerical control vertical lathe perform rough turning on the first half wheel body and the second half wheel body respectively;
(3) the first manipulator conveys the first half wheel body and the second half wheel body to a first numerical control drilling machine and a second numerical control drilling machine respectively; the first numerical control drilling machine and the second numerical control drilling machine respectively drill holes in the first half wheel body and the second half wheel body;
(4) the first half wheel body and the second half wheel body are pressed by a pressing oil press;
(5) the manipulator transfers the pressed first half wheel body and the pressed second half wheel body to a carbon dioxide protection welding machine; welding the joint of the pressed first half wheel body and the pressed second half wheel body by using a carbon dioxide protection welding machine;
(6) transferring the welded thrust wheel shell to a finish turning numerical control lathe through a first manipulator for finish turning;
(7) the finely turned shell of the thrust wheel is transferred to a polishing station to be polished under the driving of a first manipulator;
(8) the polished shell of the thrust wheel is reserved;
specifically, the automated assembly comprises the following steps:
(1) the supporting wheel shell, the side cover and the supporting shaft are placed on a third conveying device, and the supporting wheel shell, the side cover and the supporting shaft are cleaned, cleaned and dried by using a cleaning and drying box;
(2) pressing a bearing bush;
(3) pressing and mounting an oil seal;
(4) fulcrum assembling and O-shaped ring assembling;
(5) vertically pressing a side cover oil seal into a side cover by using a third rotary air compressor, and assembling two side plates on a thrust wheel shell at a side cover assembling station;
(6) mounting a positioning pin in a positioning pin punching station;
(7) inflating to detect air leakage, filling oil, locking a screw O-shaped ring and running-in;
(8) and (5) storing.
Further, when a carbon dioxide protection welding machine is used for welding, the welding speed is not more than 0.3m/min; the diameter of the welding wire is 1.2mm, and the extension length of the welding wire is 10-14mm; the gas flow is 18-24L/min; current 330A, voltage 34V.
After the structure is adopted, the automatic production assembly line and the process for finish machining of the thrust wheel, which are disclosed by the invention, have the following beneficial effects:
1. through setting up first manipulator and the second manipulator that can remove along first removal track and second removal track respectively and realize the transfer of work piece between each station, replaced traditional workman's transport work.
2. The first half wheel body, the second half wheel body and the formed thrust wheel shell are respectively machined at a first conveying device, a second conveying device, a first numerical control vertical lathe, a second numerical control vertical lathe, a first numerical control drilling machine, a second numerical control drilling machine, a press-fitting oil press, a carbon dioxide protection welding machine, a finish turning numerical control lathe and a polishing station, the dependence on workers is greatly reduced by adopting numerical control equipment, and all-weather uninterrupted production can be realized.
3. In the automatic assembly line, a cleaning and drying box on the third conveying device cleans and dries the parts to be assembled, so that the product quality is ensured; whether the product meets the process requirements or not is detected through the inflating and air leakage detecting station, and the product quality is improved.
Compared with the prior art, the invention greatly adopts numerical control automation equipment, realizes the movement of the workpiece through the first mechanical arm and the second mechanical arm, reduces the number of workers, can reduce the production cost and improve the production efficiency.
Drawings
FIG. 1 is a schematic view of an automated processing line according to the present invention.
Fig. 2 is a schematic view of the structure of an automated assembly line.
Fig. 3 is a schematic structural view of a third transport device for an automated assembly line.
Fig. 4 is a schematic diagram of a storage station of an automated assembly line.
Fig. 5 is a schematic top view of the storage station.
Fig. 6 is a schematic cross-sectional exploded view of the first half wheel body and the second half wheel body.
In the figure:
the first conveying device 111; a second conveyor 112; a first numerical control vertical lathe 121; a second numerically controlled vertical lathe 122; a first numerically controlled drilling machine 131; a second numerically controlled drilling machine 132; a press fitting oil press 14; a carbon dioxide shielded welder 15; finish turning the numerically controlled lathe 16; a grinding station 17; a first robot 18; the first moving rail 181;
a third conveyor 21; the cleaning and drying box 211; a first rotary air compressor 221; a second rotary air compressor 222; a fulcrum shaft assembling station 23; an O-ring assembly station 24; a third rotary air compressor 25; a side cover assembly station 26; a positioning pin punching station 27; an inflation detection air leakage station 28; an oiling station 281; locking screw O-ring station 282; a running-in station 283; a storage workstation 284; a second robot arm 29; the second movement track 291;
a first half wheel body 31; a limit convex ring 311; a second wheel half 32; a retainer ring groove 321; side covers 33; a fulcrum 34.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1 to 6, it is a thrust wheel finishing automation production assembly line related to the present invention, including an automation processing production line and an automation assembly line; the automatic processing production line comprises a first conveying device 111, a second conveying device 112, a first numerical control vertical lathe 121, a second numerical control vertical lathe 122, a first numerical control drilling machine 131, a second numerical control drilling machine 132, a press-fitting oil press 14, a carbon dioxide protection welding machine 15, a finish turning numerical control lathe 16, a grinding station 17 and a first manipulator 18 for moving workpieces; the first robot 18 moves along a first moving rail 181 mounted in the air; the first conveying device 111 and the second conveying device 112 respectively convey a first half wheel body 31 and a second half wheel body 32 which form a shell of the thrust wheel; the first numerically-controlled vertical lathe 121 and the second numerically-controlled vertical lathe 122 respectively perform rough turning on the first half wheel body 31 and the second half wheel body 32, and the first numerically-controlled drilling machine 131 and the second numerically-controlled drilling machine 132 respectively perform drilling on the first half wheel body 31 and the second half wheel body 32; the first half wheel body 31 and the second half wheel body 32 are pressed and assembled in the pressing and assembling oil press 14; the first half wheel body 31 and the second half wheel body 32 after press mounting are welded in the carbon dioxide protection welding machine 15, the welded thrust wheel shell is transferred to the finish turning numerical control lathe 16 through the first manipulator 18 for finish turning, and the thrust wheel shell after finish turning is transferred to the polishing station 17 under the driving of the first manipulator 18.
The automatic assembling line comprises a third conveying device 21, a cleaning and drying box 211, a first rotary air compressor 221, a second rotary air compressor 222, a fulcrum shaft assembling station 23, an O-shaped ring assembling station 24, a third rotary air compressor 25, a side cover assembling station 26, a positioning pin opening station 27, an air opening detection air leakage station 28, an oil filling station 281, a locking screw O-shaped ring station 282, a running-in station 283 and a storage station 284 which are arranged in sequence; the automated assembly line further comprises a second robot 29 for moving the workpiece; the second manipulator 29 moves along a second moving track 291 installed in the air; the supporting wheel housing processed by the grinding station 17 of the automatic processing production line and the prepared side cover 33 and supporting shaft 34 are placed on the third conveying device 21, and the cleaning and drying box 211 is arranged on the third conveying device 21 to clean and dry the supporting wheel housing, the side cover 33 and the supporting shaft 34; the second manipulator 29 moves the cleaned and dried supporting wheel shell into the first rotary air compressor 221 to press a bearing bush, an oil seal is pressed in the second rotary air compressor 222, and the supporting wheel shell is assembled with the supporting shaft 34 and the O-shaped ring at the supporting shaft assembling station 23 and the O-shaped ring assembling station 24 respectively; in the third rotary air compressor 25, the third rotary air compressor 25 vertically presses the side cover 33 oil seal into the side cover 33, and assembles the two side plates on the bogie wheel housing at the side cover assembling station 26; mounting the positioning pin in a positioning pin working position 27; the second robot arm 29 then passes the thrust wheel with the installed locating pins through the inflation detection air leakage station 28, the oil injection station 281, the locking screw O-ring station 282, the running-in station 283 and the storage station 284 in sequence.
In this way, the automatic production assembly line and process for supporting wheel finishing according to the present invention can realize the transfer of the workpiece between the stations by providing the first robot 18 and the second robot 29 capable of moving along the first moving rail 181 and the second moving rail 291, respectively, instead of the conventional worker carrying work.
The first half wheel body 31, the second half wheel body 32 and the formed thrust wheel shell are respectively processed at a first conveying device 111, a second conveying device 112, a first numerical control vertical lathe 121, a second numerical control vertical lathe 122, a first numerical control drilling machine 131, a second numerical control drilling machine 132, a press-fitting oil press 14, a carbon dioxide protection welding machine 15, a finish turning numerical control lathe 16 and a polishing station 17, the dependence on workers is greatly reduced by adopting numerical control equipment, and all-weather uninterrupted production can be realized. In the automatic assembly line, a cleaning and drying box 211 on the third conveying device 21 cleans and dries the parts to be assembled, so that the product quality is ensured; whether the product meets the process requirements or not is detected through the inflating and air leakage detecting station 28, and the product quality is improved.
Preferably, the number of the finish turning numerically controlled lathes 16 is two. Two numerical control lathe can carry out the finish turning operation respectively like this, improve production efficiency.
Preferably, a limiting convex ring 311 and a limiting ring groove 321 are respectively formed at opposite ends of the first half wheel body 31 and the second half wheel body 32, and when the first half wheel body 31 and the second half wheel body 32 are pressed, the limiting convex ring 311 is clamped in the limiting ring groove 321. Make the connection that first half wheel body 31 and second half wheel body 32 can be better through setting up spacing bulge loop 311 and spacing annular 321, the axis can be better adjust well, guarantees the quality of product.
The invention also provides a thrust wheel finish machining automatic production assembly process, which comprises the thrust wheel finish machining automatic production assembly line and also comprises two steps of automatic machining production and automatic assembly of a thrust wheel shell.
Specifically, the automatic processing production of the shell of the thrust wheel comprises the following steps: (1) the first conveying device 111 and the second conveying device 112 convey the first half wheel body 31 and the second half wheel body 32 respectively; (2) the first manipulator 18 conveys the first half wheel body 31 and the second half wheel body 32 to a first numerical control vertical lathe 121 and a second numerical control vertical lathe 122 respectively, and the first numerical control vertical lathe 121 and the second numerical control vertical lathe 122 perform rough turning on the first half wheel body 31 and the second half wheel body 32 respectively; (3) the first manipulator 18 conveys the first half wheel body 31 and the second half wheel body 32 to a first numerically controlled drilling machine 131 and a second numerically controlled drilling machine 132 respectively; the first numerically-controlled drilling machine 131 and the second numerically-controlled drilling machine 132 respectively drill holes in the first half wheel body 31 and the second half wheel body 32; (4) the press-fitting oil press 14 presses the first half wheel body 31 and the second half wheel body 32; (5) the manipulator transfers the first half wheel body 31 and the second half wheel body 32 which are pressed and assembled to the carbon dioxide protective welder 15; welding the joint of the pressed first half wheel body 31 and the pressed second half wheel body 32 by using a carbon dioxide protection welding machine 15; (6) transferring the welded thrust wheel shell into a finish turning numerically controlled lathe 16 through a first manipulator 18 for finish turning; (7) the shells of the thrust wheels after finish turning are transferred to a polishing station 17 to be polished under the driving of a first manipulator 18; (8) the polished shell of the thrust wheel is reserved;
specifically, the automated assembly comprises the following steps: (1) the supporting wheel shell, the side cover 33 and the supporting shaft 34 are placed on the third conveying device 21, and the supporting wheel shell, the side cover 33 and the supporting shaft 34 are cleaned, cleaned and dried by using a cleaning and drying box 211; (2) pressing a bearing bush; (3) pressing and mounting an oil seal; (4) fulcrum 34 assembly and O-ring assembly; (5) vertically pressing the side cover 33 into the side cover 33 by using a third rotary air compressor 25, and assembling two side plates on the thrust wheel housing at a side cover assembling station 26; (6) mounting the positioning pin in a positioning pin working position 27; (7) inflating to detect air leakage, filling oil, locking a screw O-shaped ring and running-in; (8) and (5) storing. Whether air leaks is detected through atmosphere before oil injection, and oil injection operation is carried out after detection is qualified.
Preferably, when the carbon dioxide protection welder 15 is used for welding, the welding speed is not more than 0.3m/min; the diameter of the welding wire is 1.2mm, and the extension length of the welding wire is 10-14mm; the gas flow is 18-24L/min; current 330A, voltage 34V. Through setting up reasonable welding parameter for the product after the welding has the structural strength of compound requirement, has better result of use.
Compared with the prior art, the invention greatly adopts numerical control automation equipment, realizes the movement of the workpiece through the first mechanical arm 18 and the second mechanical arm 29, reduces the number of workers, can reduce the production cost and improve the production efficiency.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.

Claims (3)

1. An automatic production assembly line for finish machining of thrust wheels is characterized by comprising an automatic machining production line and an automatic assembly line; the automatic processing production line comprises a first conveying device, a second conveying device, a first numerical control vertical lathe, a second numerical control vertical lathe, a first numerical control drilling machine, a second numerical control drilling machine, a press-fitting oil press, a carbon dioxide protection welding machine, a finish turning numerical control lathe, a polishing station and a first manipulator for moving a workpiece; the first manipulator moves along a first moving rail erected in the air; the first conveying device and the second conveying device respectively convey a first half wheel body and a second half wheel body which form a thrust wheel shell; the first numerical control vertical lathe and the second numerical control vertical lathe respectively perform rough turning on the first half wheel body and the second half wheel body, and the first numerical control drilling machine and the second numerical control drilling machine respectively perform drilling on the first half wheel body and the second half wheel body; the first half wheel body and the second half wheel body are pressed and mounted on the pressing and mounting oil press; the first half wheel body and the second half wheel body after press mounting are welded in the carbon dioxide protection welding machine, the welded thrust wheel shell is transferred to a finish turning numerical control lathe through a first manipulator for finish turning, and the finish turned thrust wheel shell is transferred to a polishing station under the driving of the first manipulator;
the automatic assembly line comprises a third conveying device, a cleaning and drying box, a first rotary air compressor, a second rotary air compressor, a fulcrum shaft assembling station, an O-shaped ring assembling station, a third rotary air compressor, a side cover assembling station, a positioning pin opening station, an air leakage opening detection station, an oil filling station, a locking screw O-shaped ring station, a running-in station and a storage station which are sequentially arranged; the automated assembly line further comprises a second robot for moving the workpiece; the second manipulator moves along a second moving track erected in the air; the supporting wheel shell processed by a grinding station of the automatic processing production line and the prepared side cover and supporting shaft are placed on a third conveying device, and the cleaning and drying box is arranged on the third conveying device to clean and dry the supporting wheel shell, the side cover and the supporting shaft; the second mechanical arm moves the cleaned and dried support wheel shell to the first rotary air compressor to press a bearing bush, an oil seal is pressed in the second rotary air compressor, and support wheel assembly and O-shaped ring assembly are respectively carried out on the support wheel shell at a support shaft assembly station and an O-shaped ring assembly station; in the third rotary air compressor, the third rotary air compressor vertically presses the side cover oil seal into the side cover, and two side plates are assembled on the shell of the thrust wheel at a side cover assembling station; mounting a positioning pin in a positioning pin punching station; then, the second mechanical arm enables the thrust wheel provided with the positioning pin to sequentially pass through an inflating and air leakage detecting station, an oil injection station, a locking screw O-shaped ring station, a running-in station and a storage station;
the number of the finish turning numerical control lathes is two;
first half wheel body and the relative one end of second half wheel body are formed with spacing bulge loop and spacing annular respectively, when first half wheel body and the half wheel body of second carried out the pressure equipment, spacing bulge loop joint is in the spacing annular.
2. An automatic thrust wheel finishing production and assembly process, which is characterized by comprising the automatic thrust wheel finishing production and assembly line of claim 1, and further comprising two steps of automatic thrust wheel shell machining production and automatic assembly;
specifically, the automatic processing production of the shell of the thrust wheel comprises the following steps:
(1) the first conveying device and the second conveying device respectively convey the first half wheel body and the second half wheel body;
(2) the first manipulator conveys the first half wheel body and the second half wheel body to a first numerical control vertical lathe and a second numerical control vertical lathe respectively, and the first numerical control vertical lathe and the second numerical control vertical lathe perform rough turning on the first half wheel body and the second half wheel body respectively;
(3) the first manipulator conveys the first half wheel body and the second half wheel body to a first numerical control drilling machine and a second numerical control drilling machine respectively; the first numerical control drilling machine and the second numerical control drilling machine respectively drill holes in the first half wheel body and the second half wheel body;
(4) the press-fitting oil press is used for press-fitting the first half wheel body and the second half wheel body;
(5) the manipulator transfers the first half wheel body and the second half wheel body which are pressed and assembled to a carbon dioxide protective welding machine; welding the joint of the pressed first half wheel body and the pressed second half wheel body by using a carbon dioxide protection welding machine;
(6) transferring the welded thrust wheel shell to a finish turning numerical control lathe through a first manipulator for finish turning;
(7) the finely turned shell of the thrust wheel is transferred to a polishing station to be polished under the driving of a first manipulator;
(8) the polished shell of the thrust wheel is reserved;
specifically, the automated assembly comprises the following steps:
(1) the supporting wheel shell, the side cover and the supporting shaft are placed on a third conveying device, and the supporting wheel shell, the side cover and the supporting shaft are cleaned, cleaned and dried by using a cleaning and drying box;
(2) pressing a bearing bush;
(3) pressing and mounting an oil seal;
(4) fulcrum assembling and O-shaped ring assembling;
(5) vertically pressing a side cover oil seal into the side cover by using a third rotary air compressor, and assembling two side plates on a thrust wheel shell at a side cover assembling station;
(6) mounting a positioning pin in a positioning pin punching station;
(7) inflating to detect air leakage, filling oil, locking a screw O-shaped ring and running-in;
(8) and (5) storing.
3. The automatic production and assembly process for the finish machining of the thrust wheel as claimed in claim 2, wherein when a carbon dioxide protection welding machine is used for welding, the welding speed is not more than 0.3m/min; the diameter of the welding wire is 1.2mm, and the extension length of the welding wire is 10-14mm; the gas flow is 18-24L/min; current 330A, voltage 34V.
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