CN112589458A - Automatic processing system for bearing bush of diesel engine - Google Patents

Automatic processing system for bearing bush of diesel engine Download PDF

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Publication number
CN112589458A
CN112589458A CN202011403902.1A CN202011403902A CN112589458A CN 112589458 A CN112589458 A CN 112589458A CN 202011403902 A CN202011403902 A CN 202011403902A CN 112589458 A CN112589458 A CN 112589458A
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CN
China
Prior art keywords
milling
bearing bush
oil groove
oil
lip
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Granted
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CN202011403902.1A
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Chinese (zh)
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CN112589458B (en
Inventor
王吉平
孙卫东
战丽美
刘坤
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Yantai Dafeng Plain Bearing Co ltd
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Yantai Dafeng Plain Bearing Co ltd
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Publication of CN112589458A publication Critical patent/CN112589458A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
    • B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q7/00—Arrangements 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
    • B23Q7/04—Arrangements 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, 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
    • B23Q7/00—Arrangements 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
    • B23Q7/14—Arrangements 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 co-ordinated in production lines

Abstract

The invention relates to a bearing bush processing system, which comprises a rack assembly, an automatic bearing bush processing and conveying assembly line, a bearing bush milling and positioning lip device, an inner hole milling device, a bearing bush boring inner oil line device and a bearing bush oil line repairing inner hole machine (12), wherein the automatic bearing bush processing and conveying assembly line is arranged on the rack assembly and is used for conveying a bearing bush piece (1) between working procedures; the invention has reasonable design, compact structure and convenient use.

Description

Automatic processing system for bearing bush of diesel engine
Technical Field
The invention relates to a bearing bush machining system, in particular to an automatic machining system for a diesel engine bearing bush.
Background
The bearing bush (bearing shell) is a part of a sliding bearing contacted with a shaft neck, is in a tile-shaped semi-cylindrical surface, is very smooth, is generally made of wear-resistant materials such as bronze, antifriction alloy and the like, and can be made of wood, engineering plastics or rubber under special conditions.
Thick-walled bearing shells may be cast and to improve friction properties, a layer of bearing alloy (known as a bearing lining) may be cast onto the inner surface of the bearing shell. In order to make the bearing alloy and the bearing bush adhere well, tenons, grooves or threads are often made on the inner surface of the bearing bush in various forms. The thin-wall bearing bush can be produced in large quantities by the processes of continuous rolling of bimetallic plates and the like.
Powder metallurgy is a method in which a basic material such as iron or copper powder is mixed with graphite, and the mixture is pressed and sintered to be formed. The pores can store lubricating oil, and the bearing is called as an oil-retaining bearing.
The bearing bush material is usually soft, the inner cylindrical surface is not suitable for being processed by a grinding method, and the bearing bush material can be processed by boring, diamond boring, scraping or grinding. The grinding should not be done by the method of matching the shaft diameter, but should be done by a special grinding rod with the same size as the hole size of the bearing bush. The scraping is mainly used for partial tile bearings and is carried out by a wide-edge scraper. When scraping by hand, the scratch should be shallow. The bearing bush with the complicated inner surface shape adopts a special boring method according to the specific shape.
In the bearing bush machining industry, with the improvement of automation degree, different devices such as a boring machine and chamfering devices are often connected through a conveying belt so as to improve production efficiency. In fact, the prior art has been able to adapt the front and rear machines to integrated transport. However, in the machining process, the bearing bush faces leftwards after the front machine such as a boring machine is machined, and when the bearing bush enters a rear machine such as chamfering equipment, the machining requirement is that the bearing bush enters the equipment in a state of facing rightwards, the turning process can be finished only manually at present, and because the production capacity of the bearing bush is large, the process greatly increases the labor capacity and reduces the production efficiency. CN201320804939.4 a conveying device for automatically steering bearing bushes provides a conveying device, but it cannot meet the requirement of automation.
In the course of working at present axle bush oil groove, the processing of axle bush oil groove all adopts the lathe, and is inefficient, and every shift does not exceed 1700, and intensity of labour is big, and manual clamping, hand cranking gilding plate feed still produce easily and collapse sword line or have edges and corners, can not guarantee the required precision. Although the CN201020289599.2 milling bearing bush oil groove device provides a processing scheme, the device cannot meet the processing modes of various oil grooves, and has poor universality and high cost.
When the punch head punches the positioning lip of the bearing bush in the prior art, the bearing bush is easy to damage, and the punch head is easy to break. CN201020289581.2 is a milling device before punching a bearing bush positioning lip, but the defect of low processing precision still exists.
Compared with the traditional process, the CN201811536596.1 high-precision unmanned control bearing bush machining method is greatly improved, but still has high machining cost and improved space, so that the efficiency and the precision are improved, the upgrading and the updating are realized, and the requirements of customers of different engines and diesel engines are met.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a bearing bush processing system and a bearing bush processing process; the technical problems to be solved and the advantages to be achieved are set forth in the description which follows and in the detailed description of the embodiments.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the bearing bush machining system further comprises a rack assembly, an automatic bearing bush machining and conveying assembly line, bearing bush milling and positioning lip equipment, bearing bush inner hole milling equipment, bearing bush boring inner oil line equipment and a bearing bush oil repairing inner hole machine, wherein the automatic bearing bush machining and conveying assembly line is arranged on the rack assembly and used for conveying bearing bush pieces between procedures.
Drawings
FIG. 1 is a schematic diagram of the architecture of the pipeline of the present invention. FIG. 2 is a schematic diagram of the structure of one of the partial pipelines of the present invention. Fig. 3 is a schematic structural diagram of the equipment for milling the inner hole of the bearing bush. FIG. 4 is a schematic diagram of a second embodiment of the present invention. FIG. 5 is a schematic diagram of a third embodiment of the present invention. Fig. 6 is a schematic structural diagram of the bearing bush oil milling machine. FIG. 7 is a schematic structural diagram of the bushing oil-line hole repairing machine of the present invention. FIG. 8 is a schematic structural diagram of another view angle of the bushing oil-thread inner hole repairing machine according to the present invention. Fig. 9 is a schematic view showing the structure of the lip processing apparatus according to the present invention. Fig. 10 is a schematic view of another view of the lip processing apparatus according to the present invention. Fig. 11 is a hydraulic structure schematic diagram of the bearing bush oil milling machine. FIG. 12 is a schematic circuit control diagram of the bushing oil milling machine of the present invention. Wherein: 1. a bearing bush member; 2. a first conveying device; 3. a first separation and involution device; 4. a first feeding manipulator; 5. an inner hole boring and milling device; 6. a second conveying device; 7. a spacer liner feeding device; 8. an auxiliary conveying device; 9. a stock frame piece; 10. a third conveying device; 11. milling an oil groove device; 12. repairing an oil line inner hole machine for the bearing bush; 13. a lip processing device; 14. a first conveyor belt; 15. a first indexing tooth-shaped dial wheel; 16. a first herringbone guide plate; 17. a first V-shaped guide frame; 18. a first laterally inclined guide channel; 19. a first side plate opening; 20. a first tail process notch; 21. a first side pusher arm; 22. a first side telescopic rod; 23. a first backward push L-shaped rod; 24. the first back-pushing C-shaped arc plate; 25. a first separation conveyor; 26. a first mating positioning mould; 27. a first mating process female end; 28. a first mating positioning step; 29. a first radial process groove; 30. a first mechanical lifting rotating base; 31. a first telescopic mechanical head; 32. a first lifting head; 33. a first rotating head; 34. a first telescoping finger; 35. a first lower positioning inner seam allowance; 36. a boring and milling machine frame; 37. boring and milling a rotating frame; 38. boring and milling a positioning mould; 39. boring and milling an upper pushing frame; 40. boring and milling a process baffle; 41. boring and milling a positioning center taper sleeve; 42. boring and milling an opening elastic sleeve; 43. boring and milling cutter rods; 44. a second discharge conveyor; 45. a second oblique indexing gear; 46. a second diagonal side guide channel; 47. a second straight inclined conveyor belt; 48. a second spiral conveyor; 49. a second polymeric conveyor belt; 50. a second direction-changing push arm; 51. a second turning conveyor belt; 52. a second drop box; 53. a second lower wedge; 54. a second material storage box; 55. a second feeding push plate; 56. a second Bu-shaped elastic lining; 57. a second elastic auxiliary sheet; 58. a second output feed plate; 59. an auxiliary material frame conveyor belt; 60. an auxiliary material frame body; 61. an auxiliary frame inner guide plate; 62. a feeding channel at the bottom of the auxiliary frame; 63. an auxiliary support frame; 64. an auxiliary rotating prism; 65. auxiliary hand supporting; 66. a third conveyor belt; 67. a third side baffle; 68. a third barrier mechanical arm; 69. a third positioning mechanical arm; 70. a third output slant pushing head; 71. milling an oil groove feeding plate; 72. milling an oil groove secondary feeding mechanical arm; 73. milling the side wall of the oil groove; 74. milling an oil groove three-coordinate machine head; 75. milling an oil groove lifting pressure head; 76. milling a lower profiling arc of the oil groove; 77. milling an oil groove side positioning plate; 78. milling a process notch at the bottom of the oil groove; 79. milling an oil groove alloy drill; 80. milling an oil groove flat-head drill; 81. milling an oil groove milling cutter; 82. milling an oil groove broaching cutter; 83. milling an oil groove output telescopic arm; 84. finishing a feeding output belt; 85. trimming the turning inclined conveyor belt; 86. trimming the front inclined arc plate; 87. trimming and conveying the mixture into a conveying belt; 88. trimming the vertical plate; 89. trimming the inclined guide plate; 90. trimming the positioning groove; 91. trimming the reset spring piece; 92. trimming a transverse U-shaped push frame; 93. trimming the three-axis telescopic rod; 94. trimming the side fixing plate; 95. trimming the inner wall strut; 96. trimming the side movable plate; 97. a finishing work table; 98. trimming the positioning step; 99. finishing the output rotating frame; 100. trimming the lower cambered surface pressing plate; 101. trimming the cutter bar; 102. trimming the cutter head; 103. trimming the inclined conveyor belt; 104. trimming the rear baffle; 105. finishing an output laying-down roller; 106. a lip feed conveyor; 107. the lip edge adjusts and puts the roller; 108. a lip drop conveyor; 109. a lip V-shaped positioning mould; 110. two coordinate lifting seats at the lip edge; 111. a lip edge driving rod; 112. lip semicircular positioning plates; 113. a lip side fixing plate; 114. a lip side movable plate; 115. a lip side plate drive bar; 116. a lip gantry base; 117. a lip planer tool; 118. a lip assistant machine head; 119. lip edge grinding tool apron; 120. lip edge grinding of the drive shaft; 121. grinding the edge inclined grinding wheel at the lip edge; 122. a lip edge output conveyor; 123. a lip traction bar; 124. a third output push head electromagnetic valve; 125. a third output push head hydraulic cylinder; 126. the third output is linked with the left push rod; 127. the third output is linked with the right push rod; 128. a third output travel switch; 129. milling an oil groove secondary feeding electromagnetic valve; 130. milling an oil groove secondary feeding motor; 131. milling an oil groove secondary feeding bevel gear set; 132. a rack and pinion assembly; 133. a coupling; 134. an output arm solenoid valve; 135. outputting a telescopic arm hydraulic lock; 136. an output telescopic arm hydraulic cylinder; 137. an output telescopic arm travel switch; 138. inputting a voltage; 139. a voltage transformer PT; 140. an indicator light module L; 141. a DC circuit; 142. a DC main switch SA; 143. a direct current relay KM; 144. a rectifier; 145. a relay SB; 146. a PLC; 147. a direct current scram switch SD; 148. a control switch SC; 149. a control relay KB; 150. an intermediate relay KC; 151. an industrial circuit; 152. a working motor; 153. an interlock switch SD; 154. a warning light.
Detailed Description
As shown in fig. 1 to 12, the bearing bush machining system of the present embodiment further includes a rack assembly, an automatic bearing bush machining and conveying assembly line disposed on the rack assembly and used for conveying the bearing bush component 1 between the processes, a device for milling a positioning lip of the bearing bush, a device for milling an inner hole of the bearing bush, a device for boring an inner oil line of the bearing bush, and a machine 12 for repairing an inner hole of the oil line of the bearing bush, which are sequentially engaged with the automatic bearing bush machining and conveying assembly line.
The automatic bearing bush machining and conveying assembly line comprises a first conveying device 2, a first separating and closing device 3, a first feeding mechanical arm 4 and a second conveying device 6, wherein the input end of the first conveying device 2 is connected with the output end of bearing bush milling and positioning lip equipment in a working procedure, the input end of the first separating and closing device 3 is connected with the output end of the first conveying device 2 in a working procedure, the first feeding mechanical arm 4 is used for connecting the first separating and closing device 3 with the bearing bush milling and inner hole equipment in a working procedure, and the input end of the second conveying;
the first conveying device 2 comprises two first conveying belts 14 arranged in parallel and a first indexing tooth-shaped thumb wheel 15 arranged above the output end of the first conveying belts 14;
the bearing bush pieces 1 on the two first conveyor belts 14 are arranged in a face-to-face mode; the linear velocity direction of the lower end of the first indexing tooth-shaped thumb wheel 15 is the same as the conveying direction of the upper part of the first conveyor belt 14; when the first indexing toothed thumb wheel 15 is static, the shifting teeth of the first indexing toothed thumb wheel 15 block the shaft bush piece 1 on the first conveyor belt 14 to move forward, and when the first indexing toothed thumb wheel 15 rotates, the shifting teeth of the first indexing toothed thumb wheel 15 shift the shaft bush piece 1 on the first conveyor belt 14 to move forward;
the first separation and involution device 3 comprises two first herringbone guide plates 16 arranged in front of the output end of the first conveyor belt 14 in a herringbone manner, two first V-shaped guide frames 17 symmetrically arranged below the first herringbone guide plates 16, first transverse inclined guide channels 18 transversely arranged on the first V-shaped guide frames 17 and used for receiving the shaft tile parts 1 falling off from the first herringbone guide plates 16, first side plate notches 19 arranged on the first V-shaped guide frames 17 in a penetrating manner and positioned on two sides of the first transverse inclined guide channels 18, first tail process notches 20 arranged on the first V-shaped guide frames 17 in a penetrating manner and positioned at the input end of the first transverse inclined guide channels 18 and communicated with the first side plate notches 19, first side material pushing arms 21 arranged on the first V-shaped guide frames 17 in the conveying direction of the first transverse inclined guide channels 18, and first transverse inclined guide channels arranged at the ends of the first side material pushing arms 21 in a penetrating manner and used for entering the first transverse inclined guide channels through the corresponding first side plate notches 19 A first side telescopic rod 22 which is arranged at the end part of the first side telescopic rod 22 and used for entering the upper end of the first transverse inclined guide channel 18 through a first tail process notch 20 and pushing the bearing bush piece 1 in the first transverse inclined guide channel 18 to slide downwards, a first back-push L-shaped rod 23 which is arranged at the end part of the first side telescopic rod 22 and used for entering the upper end of the first transverse inclined guide channel 18 through the first tail process notch 20 and pushing the bearing bush piece 1 in the first transverse inclined guide channel 18 to slide downwards, a first back-push C-shaped arc plate 24 which is arranged on the first back-push L-shaped rod 23 and used for contacting with the outer arc surface of the bearing bush piece 1, a first separation conveyor belt 25 which is arranged between the inclined lower ends of the first transverse inclined guide channel 18, a first alignment positioning mould 26 which is arranged on the first separation conveyor belt 25 and used for bearing the bearing bush piece 1 falling down of the first transverse inclined guide channel 18, a first alignment positioning step 28 which is arranged in the first alignment positioning step 26, a first alignment process inner stopping notch 27 which is arranged at the, And a first radial process groove 29 radially distributed on the first mating positioning step 28 and communicated with the first mating process inner spigot 27;
the bearing bush component 1 on the first transverse inclined guide channel 18 slides into the first alignment positioning step 28 for alignment;
the first feeding manipulator 4 comprises a first mechanical lifting and rotating base 30 arranged outside the output end of the first separating and conveying belt 25, a first telescopic mechanical head 31 arranged on the first mechanical lifting and rotating base 30, a first lifting head 32 arranged at the lower end of the first telescopic mechanical head 31, a first rotating head 33 connected below the first lifting head 32, first telescopic fingers 34 distributed on the outer side wall of the first rotating head 33 in a telescopic mode along the radial direction, and a first lower positioning inner spigot 35 arranged at the lower end of the first lifting head 32;
the first rotating head 33 descends into the first butt joint process inner spigot 27 of the first butt joint positioning mould 26 at the output end of the first separation conveyor belt 25 and rotates, the first telescopic finger 34 enters the corresponding first radial process groove 29 to be in pressure contact with the lower surface of the bearing bush element 1 in the vertical direction, and the first lower positioning inner spigot 35 is in pressure contact with the upper surface of the bearing bush element 1;
the second conveying device 6 comprises a second discharging conveyor belt 44 with an output end positioned at a third right-angle station of the first mechanical lifting rotary base 30, a second oblique side guide channel 46 arranged on the second discharging conveyor belt 44, a second oblique indexing and poking gear 45 which is arranged above the second oblique side guide channel 46 and rotationally pokes the movable bush piece 1 along the direction corresponding to the second oblique side guide channel 46, a second straight inclined conveyor belt 47 which is arranged at the output end of one second oblique side guide channel 46 and receives the bush piece 1 output by the second discharging conveyor belt 44, a second spiral conveyor belt 48 which is arranged at the output end of the other second oblique side guide channel 46 and receives the bush piece 1 output by the second discharging conveyor belt 44, a second spiral conveyor belt 48 which is arranged below the second straight inclined conveyor belt 47 in the middle part, has the same conveying direction as the second straight inclined conveyor belt 47, has an input end arranged on the second spiral conveyor belt 48 and receives the second polymerized bush piece 1 turned back through the second spiral conveyor belt 48 outlet A conveyor belt 49 and a second direction-changing conveyor belt 51 perpendicular to the direction of output of the second polymerization conveyor belt 49;
the second conveying device 6 comprises a second turning pushing arm 50 which is arranged on one side of the output end of the second polymer conveyor belt 49 and is used for pushing the bearing bush pieces 1 on the second polymer conveyor belt 49 onto a second turning conveyor belt 51, and the pushing speed of the bearing bush pieces 1 in the direction of the second turning conveyor belt 51 is the same as the conveying speed of the second turning conveyor belt 51;
a spacer feeding device 7 is arranged above the second direction-changing conveyor belt 51,
The spacer feeding device 7 comprises a second dropping box 52 which is arranged above the second direction-changing conveyor belt 51 and has an opening at the lower end, a second lower inserting wedge 53 which is movably arranged in the second dropping box 52 up and down, a second material storing box 54 which is communicated with the opening at the side surface of the second dropping box 52 and is provided with a second herringbone elastic lining 56, and a second feeding push plate 55 which is arranged in the second material storing box 54 and pushes the second herringbone elastic lining 56 in a vertical state into the second dropping box 52;
the second Bu-shaped elastic liner 56 comprises a partition plate and an elastic sheet with the root part arranged on the side surface of the partition plate;
the automatic bearing bush machining and conveying assembly line further comprises an auxiliary conveying device 8;
the auxiliary conveying device 8 comprises a material frame part 9, an auxiliary material frame conveying belt 59, an auxiliary supporting frame 63, an auxiliary rotating prism body 64, an auxiliary supporting hand 65, a second elastic auxiliary sheet 57 and a second output feeding plate 58, wherein the material frame part 9 is used for bearing the bearing bush part 1 output by the second direction-changing conveying belt 51 and has a downward opening, the auxiliary material frame conveying belt 59 is located below the second direction-changing conveying belt 51 and is used for outputting the reversing-arranged material frame part 9, the auxiliary supporting frame 63 is arranged at the output end of the auxiliary material frame conveying belt 59, the auxiliary rotating prism body 64 is rotatably arranged on the auxiliary supporting frame 63, the auxiliary supporting hand 65 is distributed on the auxiliary rotating prism body 64 and is inserted into the side wall of the material frame part 9, the second elastic auxiliary sheet 57 is arranged above the;
the material frame part 9 comprises an auxiliary material frame body 60 arranged in a hollow manner, an auxiliary frame bottom feeding channel 62 arranged on the side wall of the bottom of the auxiliary material frame body 60, and an auxiliary frame inner guide plate 61 arranged at the inlet of the auxiliary material frame body 60;
the hollow upper and lower width of the auxiliary material frame body 60 is greater than the length of the auxiliary holding hand 65;
when the auxiliary holding hand 65 of the auxiliary rotating prism 64 drives the auxiliary material frame body 60 to rotate to a state that the opening is obliquely upward, the opening of the auxiliary material frame body 60 is positioned obliquely below the second output feeding plate 58, and the bearing bush component 1 slides into the auxiliary material frame body 60 along the second output feeding plate 58;
the third conveying device 10 comprises a third conveying belt 66, the input end of which is arranged on the other side of the auxiliary supporting frame 63 and is used for receiving and conveying the material frame part 9 conveyed by the auxiliary supporting hand 65, a third side baffle 67 arranged on the side part of the third conveying belt 66, a third blocking mechanical arm 68 which is arranged above the third conveying belt 66 and is used for blocking the material frame part 9 from advancing to a third transverse pushing station, a third positioning mechanical arm 69 which is arranged above the third conveying belt 66 and is used for blocking the material frame part 9 from leaving the third transverse pushing station, and a third output oblique pushing head 70 which is arranged in the third transverse pushing station in sequence and is used for transversely entering the auxiliary frame bottom feeding channel 62 to transversely push the bearing bush part 1 out;
the automatic bearing bush machining and conveying assembly line further comprises a finishing feeding input conveyor belt for conveying the output of the oil milling groove device 11, a finishing feeding input stop lever arranged on one side of the finishing feeding input conveyor belt and used for changing the inverted state of the bearing bush piece 1 into the flat lying state, a finishing feeding output belt 84 vertically arranged with the finishing feeding input conveyor belt and having an input end connected with the output end of the finishing feeding input conveyor belt, a finishing turning inclined conveyor belt 85 laterally and obliquely arranged and having an input end connected with the output end of the finishing feeding output belt 84, a finishing front inclined arc plate 86 obliquely arranged at the output end of the finishing turning inclined conveyor belt 85, a finishing feeding conveyor belt 87 having an input end positioned below the finishing turning inclined conveyor belt 85 and having a conveying direction perpendicular to the finishing feeding output belt 84, a finishing vertical plate 88 transversely distributed on the finishing feeding conveyor belt 87, a finishing inclined guide plate 89 arranged in front of the finishing vertical plate, A trimming positioning groove 90 arranged between the trimming vertical plate 88 and the trimming inclined guide plate 89, a trimming reset spring leaf 91 arranged on the trimming vertical plate 88, a trimming transverse U-shaped push frame 92 transversely arranged on one side of the output end of the trimming feeding conveyor belt 87 and used for transversely pushing the bearing bush piece 1 out of the trimming positioning groove 90 and into the bushing trimming line inner hole machine 12, a trimming three-shaft telescopic rod 93 parallelly arranged on one side of the trimming feeding conveyor belt 87, the trimming side fixing plates 94 are distributed on the trimming three-axis telescopic rod 93 and are used for being in contact with the side face of the bearing bush piece 1, at least two trimming inner wall supporting rods 95 are radially arranged on the trimming three-axis telescopic rod 93 and are used for being in contact with the inner arc face of the bearing bush piece 1, and the trimming side movable plates 96 are arranged on the trimming three-axis telescopic rod 93, are positioned on the other side of the trimming three-axis telescopic rod 93 and are used for being pushed by an air cylinder to be in contact with the other side face of the;
the shoe 1 falls from the trim upender tilt conveyor 85 into the trim positioning slot 90.
The equipment for milling the inner hole of the bearing bush comprises an inner hole boring and milling device 5;
the inner hole boring and milling device 5 comprises a boring and milling rack 36 arranged on one side of a second right-angle station of the first feeding manipulator 4, a boring and milling rotating rack 37 arranged on the boring and milling rack 36, boring and milling positioning clamping fixtures 38 distributed on the boring and milling rotating rack 37 in a circumferential array manner, a boring and milling positioning central taper sleeve 41 which is arranged in a central through hole of the boring and milling positioning clamping fixtures 38 and has a large upper part and a small lower part, a boring and milling opening elastic sleeve 42 which is arranged in the boring and milling positioning central taper sleeve 41 and is used for elastically contacting with the outer side wall of the bearing bush element 1, a boring and milling upper push rack 39 which is arranged at a replacement station of the boring and milling rack 36 and is used for pushing the lower end face of the bearing bush element 1, and a boring and milling process baffle 40 which is distributed on the boring and milling rotating rack 37 and is used for blocking contact with the upper end;
the first lower positioning inner spigot 35 presses the bearing bush component 1 down to contact with the inner side wall of the boring and milling opening elastic sleeve 42,
a boring and milling machine head is arranged on the boring and milling machine frame 36, a boring and milling top head which is used for being in pressure contact with the upper end face of the bearing bush piece 1 is distributed on the lower end face of the boring and milling machine head, and a boring and milling cutter rod 43 which is used for processing the inner hole of the bearing bush piece 1 is arranged at the lower end of the boring and milling machine head.
The bearing bush inner boring oil line equipment comprises an oil groove milling device 11;
the oil milling groove device 11 comprises an oil milling groove feed plate 71 for placing the reversed shaft bush piece 1, an oil milling groove secondary feeding mechanical arm 72 arranged on one side of the oil milling groove feed plate 71 and used for pushing the shaft bush piece 1, an oil milling groove bottom process notch 78 arranged at the output end of the oil milling groove feed plate 71, oil milling groove side wall 73 arranged on two sides of the oil milling groove bottom process notch 78 and located on two sides of the shaft bush piece 1, an oil milling groove three-coordinate machine head 74 arranged on one side of the oil milling groove side wall 73, an oil milling groove lifting pressure head 75 arranged on the oil milling groove three-coordinate machine head 74, an oil milling groove lower profiling arc 76 arranged at the lower end of the oil milling groove lifting pressure head 75 and used for being in pressure contact with the arc surface at the upper end of the reversed shaft bush piece 1, oil milling groove side positioning plates 77 movably arranged on two side surfaces of the oil milling groove lower profiling arc 76, a flat head drill 80 arranged below the oil milling groove bottom process notch 78 and driven by the machine head and drilling the tool head upwards and an oil milling groove alloy drill 79, The oil groove milling cutter comprises an oil groove milling cutter 81, an oil groove milling broaching cutter 82 and an oil groove milling output telescopic arm 83, wherein the oil groove milling cutter 81 is arranged below a process notch 78 at the bottom of an oil groove and is driven by a machine head, a cutter head faces upwards, and is used for transversely milling the groove on the inner arc surface of the bearing bush piece 1, the oil groove milling cutter 82 is arranged below the process notch 78 at the bottom of the oil groove milling cutter and is driven by the machine head, the cutter head faces upwards, and is used for longitudinally milling the oil groove on the inner arc surface of the bearing bush piece 1, and the oil groove milling output telescopic arm 83 is arranged below.
The bearing bush oil-trimming line inner hole machine 12 comprises a trimming worktable 97, a trimming positioning step 98 which is arranged on the trimming worktable 97 and is used for positioning and contacting with the opening end surface of the inverted bearing bush piece 1, a trimming output rotating frame 99 which is arranged at one side of the trimming positioning step 98, a trimming lower cambered surface pressing plate 100 which is arranged at the lower end of the arms at the two ends of the trimming output rotating frame 99 and is provided with a suction nozzle, and a trimming process channel which is arranged between the trimming positioning steps 98, the trimming device comprises a trimming cutter rod 101 arranged in a trimming process channel, a trimming cutter head 102 arranged on the trimming cutter rod 101 and used for contacting with the inner cambered surface of the bearing bush piece 1, a trimming inclined conveyor belt 103 which is obliquely arranged on a trimming worktable 97 and used for receiving the bearing bush piece 1 sent by a trimming lower cambered surface pressing plate 100, a trimming baffle 104 arranged at the output end of the trimming inclined conveyor belt 103, and a trimming output overturning roller 105 arranged on the trimming inclined conveyor belt 103.
The bearing bush milling and positioning lip device comprises a lip processing device 13; the lip processing apparatus 13 includes a lip feed conveyor 106 for conveying the shoe member 1 in a standing state, a lip drop conveyor 108 having an input end positioned below an output end of the lip feed conveyor 106 and oriented in the same direction as the lip feed conveyor 106, a lip adjustment lowering roller 107 provided above an input end of the lip drop conveyor 108, a lip V-shaped positioning jig 109 disposed on the lip drop conveyor 108 for receiving the shoe member 1 dropped from the lip feed conveyor 106, a lip processing table provided on an output end side of the lip drop conveyor 108, a lip two-coordinate lifting base 110 provided on a side of the lip processing table, a lip driving rod 111 disposed on the lip two-coordinate lifting base 110 in a conveying direction, a lip semicircular positioning plate 112 disposed on the lip driving rod 111 and contacting an inner arc wall of the upper shoe member 1, and a lip side fixing plate 113 disposed on the lip driving rod 111 and positioned on a side of the lip semicircular positioning plate 112, A lip side plate driving lever 115 disposed on the lip two-coordinate lifting base 110 and parallel to the lip driving lever 111, a lip side movable plate 114 axially key-guided and fixedly disposed on the lip side plate driving lever 111 and located on the other side of the lip semicircular positioning plate 112 and used for clamping both side walls of the bearing bush member 1 with the lip side fixed plate 113, a lip side gantry base 116 longitudinally slidably disposed on the lip side processing table, a lip side planing knife 117 disposed on the lip side gantry base 116 and used for processing the bearing bush member 1 and combining with the lip, a lip side auxiliary machine head 118 disposed on the gantry lip side base 116, a lip side sharpening tool base 119 disposed at the lower end of the lip side auxiliary machine head 118, a lip side sharpening driving shaft 120 disposed on the lip side sharpening tool base 119, a lip side sharpening inclined grinding wheel 121 rotatably disposed on the lip side sharpening driving shaft 120 and used for grinding the rear edge of the planing,
The lip-type conveying device comprises a lip output conveyor 122 arranged on one side of the lip drop conveyor 108, a push rod/suction nozzle which is arranged at the input end of the lip output conveyor 122 and is used for transversely conveying the bearing bush pieces 1 in the lip drop conveyor 108 to the lip output conveyor 122, two lip separation guide channels arranged on the lip output conveyor 122, and a lip traction rod 123 which is arranged at the end part of a middle partition plate of the lip separation guide channels in a swinging mode and is used for guiding the direction change of the bearing bush pieces 1.
The bearing bush inner oil line boring device also comprises a hydraulic system of a bearing bush oil line boring machine;
the hydraulic system of the bearing bush oil boring line machine comprises a third output push head electromagnetic valve 124, a third output push head hydraulic cylinder 125, a third output linkage left push rod 126, a third output linkage right push rod 127, a third output stroke switch 128, an oil milling groove secondary feeding electromagnetic valve 129, an oil milling groove secondary feeding motor 130, an oil milling groove secondary feeding bevel gear set 131, a gear rack assembly 132, a coupling 133, an output arm electromagnetic valve 134, an output telescopic arm hydraulic lock 135, an output telescopic arm hydraulic cylinder 136, an output telescopic arm stroke switch 137, a hydraulic pump, a hydraulic,
The third output pushing hydraulic cylinder 125 drives the third output oblique pushing head 70 to extend and retract; a rod cavity and a rodless cavity of the third output push head hydraulic cylinder 125 are respectively connected with corresponding oil outlets of a third output push head electromagnetic valve 124 of which the middle position function is M-shaped; the third output linkage left push rod 126 and the third output linkage right push rod 127 are respectively arranged at the root part and the end part of a piston rod of the third output push head hydraulic cylinder 125; the third output stroke switch 128 is at the end position of the piston rod stroke of the third output pusher cylinder 125;
the milling oil groove secondary feeding motor 130 drives the milling oil groove secondary feeding mechanical arm 72 to swing; a pipeline of the oil milling groove secondary feeding motor 130 is communicated with an oil outlet corresponding to the oil milling groove secondary feeding electromagnetic valve 129;
reversing handles on two sides of the oil milling groove secondary feeding electromagnetic valve 129 respectively correspond to the third output linkage left push rod 126 and the third output linkage right push rod 127;
the milling oil groove secondary feeding motor 130 is in transmission connection with a milling oil groove secondary feeding bevel gear set 131, the milling oil groove secondary feeding bevel gear set 131 drives a gear rack assembly 132 to transmit through a transmission shaft, an output rack of the gear rack assembly 132 is connected with an output arm electromagnetic valve 134 through a coupling 133, an output telescopic arm hydraulic cylinder 136 drives an output telescopic arm 83 of the milling oil groove to move, and an output telescopic arm hydraulic lock 135 is arranged on a pipeline between the output arm electromagnetic valve 134 and the output telescopic arm hydraulic cylinder 136; the output telescopic boom stroke switch 137 is at the stroke end of the output telescopic boom hydraulic cylinder 136.
The bearing bush inner oil line boring equipment also comprises a bearing bush oil line boring machine electric control system;
the electric control system of the bush oil boring machine comprises an input voltage 138, a voltage transformer PT139, an indicator light module L140, a direct current circuit 141, a direct current main switch SA142, a direct current relay KM143, a rectifier 144, a relay SB145, a PLC146, a direct current emergency stop switch SD147, a control switch SC148, a control relay KB149, an intermediate relay KC150, an industrial circuit 151, a working motor 152, an interlocking switch SD153 and a warning light 154;
a direct current main switch SA142 and a control coil of a direct current relay KM143 are connected in series on the direct current circuit 141; an execution switch of the direct current relay KM143 is connected between the rectifier 144 and the secondary coil of the voltage transformer PT 139;
the input voltage 138 is electrically connected with the primary coil of a voltage transformer PT 139;
the input end of the rectifier 144 and the indicator light module L140 are connected in parallel on the secondary coil of the voltage transformer PT 139;
a control coil of a relay SB145 and an input end of a PLC146 are connected in parallel between output ends of the rectifier 144; a direct current emergency stop switch SD147 is arranged at the output end of the rectifier 144;
the controller of the control switch SC148 and the controller of the control relay KB149 are connected in series with the corresponding output end of the PLC 146;
the execution switch of the control relay KB149 is connected in series with the control coil of the intermediate relay KC150 between the output terminals of the rectifier 144;
the industrial circuit 151 supplies power to each working motor 152 of the oil groove milling device 11 through an execution switch of the relay SB 145; the working motor 152 is connected with the normally closed switch of the interlocking switch SD153 through the execution switch of the intermediate relay KC150 connected in series; the warning lamp 154 is connected with the linkage normally-open switch of the interlocking switch SD153 in series and then is connected with the power.
The bearing bush processing technology of the embodiment is characterized in that by means of a bearing bush processing system, the system comprises a rack assembly, an automatic bearing bush processing and conveying assembly line, a bearing bush milling and positioning lip device, an inner hole milling device, a bearing bush boring inner oil line device and a bearing bush oil trimming inner hole machine 12, wherein the automatic bearing bush processing and conveying assembly line is arranged on the rack assembly and used for conveying a bearing bush piece 1 between working procedures; the process comprises the following steps:
milling a combined lip; positioning lip equipment by means of a bush mill;
milling an inner hole; milling an inner hole by means of equipment for bearing bushes;
step three, boring an inner oil line; boring an inner oil line device by means of a bearing bush;
working procedure four, repairing an inner hole; repairing the inner hole of the oil line by means of a bearing bush 12;
the processes are connected through an automatic bearing bush machining and conveying production line.
And performing the axle shoe excircle process in the fourth step or between the first step and the second step.
The method comprises the following steps of firstly, milling a combined lip;
firstly, a flat shaft bush component 1 falls downwards on a lip V-shaped positioning mould 109 of a lip falling conveyor 108 on a lip feeding conveyor 106 through the blocking of a lip adjusting laying-down roller 107, and the opening of the flat shaft bush component is upward; then, the lip two-coordinate lifting seats 110 extend to the lip V-shaped positioning clamping fixture 109 and then descend, so that the lip semicircular positioning plate 112 is in contact with the inner side wall of the bearing bush part 1; secondly, driving the lip side plate driving rod 115, moving the lip side movable plate 114 to the lip side fixed plate 113 to clamp two side walls of the bearing bush component 1, and then bringing the bearing bush component to the lip side processing workbench and positioning the bearing bush component in a semicircular groove;
firstly, moving the lip gantry base 116 to the position above the bearing bush piece 1; then, the double housing planer 117 at the two sides moves longitudinally and feeds downwards to process the lip-to-lip surfaces; secondly, the lip edge grinding edge inclined grinding wheel 121 moves longitudinally, and the machined lip edge is ground;
step three, after the processing is finished, firstly, the lip two-coordinate lifting base 110 drives the bearing bush piece 1 to return to the lip V-shaped positioning mould 109; the pusher/suction nozzle then takes the shoe 1 out and places it on the lip output conveyor 122; next, shoe 1 is conveyed on lip output conveyor 122 and lip drawbar 123 is swung side to side causing shoe 1 to rotate alternately ninety degrees clockwise and counterclockwise and into the corresponding lip separation guide channel.
In the second step, the method comprises the following steps,
step two, firstly, the first conveyor belt 14 conveys the shaft bush piece 1, and when the shaft bush piece reaches the tail end of the first conveyor belt 14, the first indexing tooth-shaped shifting wheel 15 rotates together with the first conveyor belt 14 to shift the shaft bush piece 1 to a side plate corresponding to the first herringbone guide plate 16; then, the bearing bush component 1 slides into the corresponding first transverse inclined guide channel 18, meanwhile, the first side material pushing arm 21 blocks the bearing bush component 1 from sliding downwards, and meanwhile, the first indexing toothed thumb wheel 15 stops rotating to block the subsequent bearing bush component 1 from moving forwards; secondly, the first back-push C-shaped arc plate 24 pushes the bearing bush piece 1 to enable the lip of the bearing bush piece 1 to be in contact with the first side material pushing arm 21 and adjust the position; thirdly, the first side material pushing arm 21 retracts, the first rear pushing C-shaped arc plate 24 pushes the corresponding bearing bush component 1 to the first involutory positioning step 28, and involutory positioning is automatically carried out; finally, the first separating conveyor 25 conveys the first counter-positioning die 26 carrying the shoe elements 1;
step two, firstly, the first telescopic mechanical head 31 comes to be positioned above the first butt positioning mould 26 at the output end of the first separation conveyor belt 25; then, the first rotary head 33 enters into the first mating process inner spigot 27 and rotates so that the first telescopic finger 34 corresponds to the first radial process groove 29; secondly.
Meanwhile, the first lifting head 32 drives the first lower positioning inner spigot 35 to be buckled on the bearing bush piece 1 and to be in pressure contact with the upper surface of the bearing bush piece 1; thirdly, the first feeding manipulator 4 drives the first butt positioning mould 26 to go to a feeding and discharging station of the inner hole boring and milling device 5;
step two, firstly, the first feeding mechanical hand 4 places the involutive bearing bush piece 1 into the boring and milling opening elastic sleeve 42; then, the boring and milling push-up frame 39 pushes up the boring and milling positioning center taper sleeve 41, and the boring and milling opening elastic sleeve 42 is clasped by using taper; secondly, the boring and milling rotating frame 37 rotates the boring and milling positioning clamping fixture 38 to a boring and milling station; thirdly, the boring and milling cutter rod 43 processes the inner hole of the bearing bush piece 1; then, after the machining is finished, the boring and milling positioning mould 38 rotates to the loading and unloading station, and the boring and milling push-up frame 39 pulls down the boring and milling positioning center taper sleeve 41; next, when the first feeding manipulator 4 lifts and takes away the bearing bush element 1 from the boring and milling positioning mould 38, the boring and milling process baffle 40 prevents the boring and milling opening elastic sleeve 42 from rising and separating from the bearing bush element 1;
step two; first, the first feeding robot 4 places the bearing bush pieces 1 on the second outfeed conveyor belt 44; then, the bearing bush pieces 1 are separated and enter into the corresponding second inclined side guide channels 46 by obliquely rotating and stirring the bearing bush pieces and conveying the bearing bush pieces to a second discharge conveyor belt 44 by utilizing a second inclined indexing gear 45; secondly, the bearing bush pieces 1 on one side are conveyed linearly along the second linear inclined conveyor belt 47 to reach the second polymerization conveyor belt 49, and the bearing bush pieces 1 on the other side are conveyed along the second spiral conveyor belt 48 to reach the second polymerization conveyor belt 49 and are positioned at the rear side of the linearly conveyed bearing bush pieces 1; again, the shoe 1 on the second polymeric conveyor belt 49 is transferred onto the second turning conveyor belt 51, pushed by the oscillation of the second turning push arm 50.
In the third step, the method comprises the following steps,
step three, firstly; first, when the bearing bush pieces 1 are conveyed on the second direction-changing conveyor belt 51, the second feeding pusher 55 and the second lower wedge 53 act to drop the second chevron-shaped elastic bush 56 between the adjacent bearing bush pieces 1; then, the auxiliary material frame conveyor belt 59 drives the auxiliary material frame body 60 to convey, and inserts the auxiliary material frame body onto the auxiliary holding hand 65; secondly, the auxiliary rotating prism 64 drives the auxiliary material frame body 60 to rotate to a state that the opening is obliquely upward, and meanwhile, the second turning conveyor belt 51 slides the bearing bush piece 1 into the auxiliary material frame body 60 through the second output feeding plate 58;
step two, firstly, the auxiliary material frame body 60 provided with the bearing bush pieces 1 is placed on a third conveyor belt 66 by the auxiliary rotating arris body 64; then, the auxiliary holding hand 65 is rotated and separated from the auxiliary material frame body 60; secondly, the third conveyor belt 66 conveys the workpiece to a third transverse pushing station, and a third blocking mechanical arm 68 and a third positioning mechanical arm 69 fall; thirdly, the third output inclined pushing head 70 sends the bearing bush pieces 1 positioned at the bottom of the auxiliary material frame conveyor belt 59 to the milling oil groove feeding plate 71 from the auxiliary frame bottom feeding channel 62;
step three, firstly, pushing the bearing bush piece 1 to the space between the side wall 73 of the oil milling groove by the secondary oil groove milling feeding mechanical arm 72; then, the milling oil groove lifting pressure head 75 presses the outer side wall of the bearing bush component 1; secondly, controlling an oil groove milling flat-head drill 80, an oil groove milling alloy drill 79, an oil groove milling cutter 81 and an oil groove milling broaching tool 82 to process oil grooves on the inner arc surface of the bearing bush component 1 by corresponding machine heads in sequence; then, the milling oil groove elevating ram 75 ascends, and the milling oil groove output telescopic arm 83 feeds out the bearing block member 1.
In the fourth step, the method comprises the following steps,
step four, firstly, the bearing bush pieces 1 on the finishing feeding input conveyor belt are sent out to a finishing feeding output belt 84 by a push rod at the output end of the finishing feeding input conveyor belt; then, the bearing bush component 1 passes through the trimming feed output belt 84 and the trimming turnover inclined conveyor belt 85, and falls into the trimming positioning groove 90 of the trimming feed conveyor belt 87 under the guidance of the inclined arc plate 86 before trimming;
step four, firstly, the bearing bush piece 1 in the trimming positioning groove 90 is transversely pushed out by the trimming transverse U-shaped pushing frame 92; then, the trimming triaxial telescopic rod 93 enters and extends into the space at the lower end of the bearing bush piece 1 and then rises; secondly, the trimming side fixing plate 94 and the trimming side moving plate 96 clamp the bearing bush 1 and send to the trimming positioning step 98; thirdly, the finishing output rotating frame 99 drives the finishing lower cambered surface pressing plate 100 to press the bearing bush component 1 downwards; then, the trimming tool tip 102 trims the inner arc surface;
step four, firstly, trimming a lower cambered surface pressing plate 100 to drive the bearing bush piece 1 to come on a trimming inclined conveying belt 103; then, the finishing inclined belt 103 outputs the shoe member 1 by the finishing output lay-down roller 105.
According to the invention, the side edge of the conveyor belt is not shown, the first conveyor belt 14 conveys, the first indexing tooth-shaped shifting wheel 15 realizes auxiliary pushing and blocking, the first herringbone guide plate 16 realizes automatic separation, the first transverse inclined guide channel 18 of the first V-shaped guide frame 17 realizes automatic downward sliding alignment, the gap is convenient for rod movement, the first side material pushing arm 21, the first side telescopic rod 22 and the first rear pushing L-shaped rod 23 realize driving or blocking, the position is automatically adjusted, the first alignment process inner spigot 27 is convenient for a manipulator to enter, the first alignment positioning step 28 realizes automatic alignment, and the first radial process groove 29 is convenient for a telescopic finger to enter. The first mechanical lifting and rotating base 30, the first telescopic mechanical head 31, the first lifting head 32, the first rotating head 33, the first telescopic finger 34 and the first lower positioning inner spigot 35 are used for clamping the paired bearing bushes.
The boring and milling push-up frame 39 realizes the combination or separation of the bearing bush and the boring and milling opening elastic sleeve 42, the boring and milling opening elastic sleeve 42 realizes automatic alignment, the boring and milling process baffle 40 blocks the discharge of the elastic sleeve, the boring and milling positioning center taper sleeve 41 automatically aligns, and the boring and milling cutter rod 43 bores an inner hole.
The second discharging conveyor belt 44 realizes conveying, the second oblique indexing shifting gear 45 realizes auxiliary shifting and blocking, the second oblique side guide channel 46 is arranged, the second straight inclined conveyor belt 47, the second spiral conveyor belt 48 and the second polymerization conveyor belt 49 change the arrangement mode of the bearing bushes, the second turning pushing arm 50 assists pushing, the second turning conveyor belt 51 facilitates material storage of the second falling box 52, the outer arc surfaces can be machined in an inserting mode, the wedge 53 is inserted below the second, the second material storage box 54 and the second feeding pushing plate 55, the second falling of the second Bu-shaped elastic lining 56 is realized, the second Bu-shaped elastic lining 56 is utilized to separate the bearing bushes, mutual scratch is avoided, the second elastic auxiliary piece 57 and the second output feeding plate 58 realize output.
The auxiliary material frame conveying belt 59, the auxiliary material frame body 60, the auxiliary frame inner guide plate 61 and the auxiliary frame bottom feeding channel 62 are convenient for bearing bush storage, the auxiliary supporting frame 63, the auxiliary rotating prism body 64 and the auxiliary supporting hand 65 achieve automatic frame forking and automatic falling, and automatic separation is achieved.
The third conveyor belt 66, the third side baffle 67, the third blocking mechanical arm 68, the third positioning mechanical arm 69 and the third output oblique pushing head 70, so that the direction-changing output is realized.
Milling oil groove side wall 73 realizes the location, oil groove lifting pressure head 75 realizes the location and compresses tightly, through milling oil groove alloy brill 79, milling oil groove flat head brill 80, milling oil groove milling cutter 81, mill oil groove broaching tool 82 according to programming realization oil groove processing, mill oil groove output telescopic arm 83 and realize the ejection of compact.
Realize the axle bush diversion through repairing stirring slope conveyer belt 85, slope arc 86 makes things convenient for the axle bush whereabouts before repairing, and when the conveyer belt conveys forward, repair vertical riser 88, repair slope deflector 89, repair constant head tank 90, become vertical state, repair reset spring leaf 91, prevent the axle bush and cross the slope, repair horizontal U type push away frame 92, repair triaxial telescopic link 93, repair side fixed plate 94, repair inner wall branch 95, repair side fly leaf 96, repair workstation 97, repair location step 98, repair output swivel mount 99, repair lower arc clamp plate 100, repair cutter arbor 101, repair tool bit 102, repair slope conveyer belt 103, repair backplate 104, repair output dump roll 105, realize carrying out coping and burring to the burr of oil groove department.
The lip V-shaped positioning mould 109 realizes positioning, the two coordinate lifting seats 110 of the lip process the joint surface through the lip planer tool 117, and the grinding and deburring are carried out through the lip grinding edge inclined grinding wheel 121.
The third output push head electromagnetic valve 124 realizes hydraulic control, the third output push head hydraulic cylinder 125 realizes linear driving, the third output linkage left push rod 126 and the third output linkage right push rod 127 realize linkage control for an oil milling groove secondary feeding electromagnetic valve 129, the third output stroke switch 128 realizes reversing control, the oil milling groove secondary feeding motor 130 drives the oil milling groove secondary feeding bevel gear set 131 and the gear rack assembly 132 to drive, linkage and reversing of swinging and output reversing are realized, the coupling 133 realizes traction control for the output arm electromagnetic valve 134, the output telescopic arm hydraulic lock 135 realizes pressure maintaining, the output telescopic arm hydraulic cylinder 136 realizes driving, and the output telescopic arm stroke switch 137 realizes stroke control.
Input voltage 138 provides power, voltage transformer PT139 realizes step-down processing, indicator light module L140 realizes circuit monitoring, direct current circuit 141 provides power, direct current master switch SA142 controls the on-off of direct current relay KM143, rectifier 144 is alternating current to direct current, relay SB145 realizes intermediate control, PLC146 realizes the work of each motor of logic control, direct current scram switch SD147 realizes safety control, control switch SC148 realizes remote control, control relay KB149, intermediate relay KC150 realizes relay control, the on-off of industrial circuit 151 and work motor 152, interlock switch SD153 realizes linkage on-off control, and warning light 154 displays the work of the corresponding motor.
The invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use.

Claims (5)

1. An automatic processing system for a bearing bush of a diesel engine is characterized by comprising a rack assembly, an automatic bearing bush processing and conveying assembly line, a bearing bush milling and positioning lip device, an inner hole milling device for the bearing bush, an inner oil line boring device for the bearing bush and an inner hole trimming machine (12), wherein the automatic bearing bush processing and conveying assembly line is arranged on the rack assembly and is used for conveying a bearing bush piece (1) between working procedures;
the equipment for milling the inner hole of the bearing bush comprises an inner hole boring and milling device (5);
the inner hole boring and milling device (5) comprises a boring and milling rack (36) arranged on one side of a second right-angle station of the first feeding manipulator (4), a boring and milling rotating frame (37) arranged on the boring and milling rack (36), boring and milling positioning clamping fixtures (38) distributed on the boring and milling rotating frame (37) in a circumferential array manner, a boring and milling positioning center taper sleeve (41) which is arranged in a center through hole of the boring and milling positioning clamping fixture (38) and has a large upper part and a small lower part, a boring and milling opening elastic sleeve (42) which is arranged in the boring and milling positioning center taper sleeve (41) and is used for elastically contacting with the outer side wall of the bearing bush piece (1), a boring and milling upper push frame (39) which is arranged at a replacement station of the boring and milling rack (36) and is used for pushing the lower end face of the bearing bush piece (1), and a boring and milling process baffle (40) which is distributed on the boring and milling rotating frame (37) and is used for blocking contact with the;
the first lower positioning inner spigot (35) presses the bearing bush piece (1) down to contact with the inner side wall of the boring and milling opening elastic sleeve (42),
the boring and milling machine frame (36) is provided with a boring and milling machine head, the lower end face of the boring and milling machine head is distributed with a boring and milling top head which is used for being in pressure contact with the upper end face of the shaft bush piece (1), and the lower end of the boring and milling machine head is provided with a boring and milling cutter bar (43) which is used for processing the inner hole of the shaft bush piece (1).
2. A bearing bush processing system is characterized by comprising a rack assembly, an automatic bearing bush processing and conveying assembly line, a bearing bush milling and positioning lip device, an inner hole milling device, a bearing bush boring inner oil line device and a bearing bush oil line inner hole repairing machine (12), wherein the automatic bearing bush processing and conveying assembly line is arranged on the rack assembly and is used for conveying a bearing bush piece (1) between working procedures;
the bearing bush oil-repairing line inner hole machine (12) comprises a trimming workbench (97), trimming positioning steps (98) which are arranged on the trimming workbench (97) and used for being in positioning contact with the opening end face of a reversed bearing bush piece (1), a trimming output rotating frame (99) arranged on one side of the trimming positioning steps (98), trimming lower arc-surface pressing plates (100) which are arranged at the lower ends of two end arms of the trimming output rotating frame (99) and are provided with suction nozzles, a trimming process channel arranged between the trimming positioning steps (98), a trimming cutter bar (101) arranged in the trimming process channel, a trimming cutter head (102) which is arranged on the trimming cutter bar (101) and is used for being in contact with the inner arc surface of the bearing bush piece (1), a trimming inclined conveying belt (103) which is obliquely arranged on the trimming workbench (97) and is used for bearing the bearing bush piece (1) conveyed by the trimming lower arc-surface pressing plates (100), a trimming rear baffle (104) arranged at the output end of the trimming inclined conveying belt (103), And a finishing output lay-down roller (105) provided on the finishing inclined conveyor belt (103).
3. A bearing bush processing system is characterized by comprising a rack assembly, an automatic bearing bush processing and conveying assembly line, a bearing bush milling and positioning lip device, an inner hole milling device, a bearing bush boring inner oil line device and a bearing bush oil line inner hole repairing machine (12), wherein the automatic bearing bush processing and conveying assembly line is arranged on the rack assembly and is used for conveying a bearing bush piece (1) between working procedures;
the bearing bush milling and positioning lip device comprises a lip processing device (13); the lip mouth processing device (13) comprises a lip edge feeding conveyor belt (106) used for conveying a bearing bush piece (1) in a vertical state, a lip edge falling conveyor belt (108) which is in the same direction with the lip edge feeding conveyor belt (106) and the input end of which is positioned below the output end of the lip edge feeding conveyor belt (106), a lip edge adjusting and falling roller (107) arranged above the input end of the lip edge falling conveyor belt (108), a lip edge V-shaped positioning mould (109) which is distributed on the lip edge falling conveyor belt (108) and used for receiving the bearing bush piece (1) falling from the lip edge feeding conveyor belt (106), a lip edge processing workbench arranged on one side of the output end of the lip edge falling conveyor belt (108), a lip edge two-coordinate lifting seat (110) arranged on one side of the lip edge processing workbench, a lip edge driving rod (111) arranged on the lip edge two-coordinate lifting seat (110) along the conveying direction, and a lip edge semicircular positioning plate (112) which is distributed on the lip edge driving rod (111) and, A lip side fixing plate (113) which is arranged on the lip side driving rod (111) and is positioned at one side of a lip side semi-circle positioning plate (112), a lip side plate driving rod (115) which is arranged on the two lip side coordinate lifting seats (110) and is parallel to the lip side driving rod (111), a lip side movable plate (114) which is axially connected with the lip side driving rod (111) in a key guide way and is fixedly arranged on the lip side plate driving rod (115) and is positioned at the other side of the lip side semi-circle positioning plate (112) and is used for clamping two side walls of a shaft bush piece (1) with the lip side fixing plate (113), a lip side gantry (116) which is longitudinally arranged on a lip side processing workbench, a lip side gantry (117) which is arranged on the lip side gantry base (116) and is used for processing the shaft bush piece (1) and combining a lip, a lip side auxiliary machine head (118) arranged on the lip side gantry machine base (116), a lip side sharpening machine base, A lip edge grinding driving shaft (120) arranged on the lip edge grinding cutter holder (119), a lip edge grinding edge inclined grinding wheel (121) which is rotatably arranged on the lip edge grinding driving shaft (120) and is used for grinding the planed edge,
The lip edge separation device comprises a lip edge output conveyor belt (122) arranged on one side of the lip edge falling conveyor belt (108), a push rod/suction nozzle which is arranged at the input end of the lip edge output conveyor belt (122) and is used for transversely conveying a bearing bush piece (1) in the lip edge falling conveyor belt (108) to the lip edge output conveyor belt (122), two lip edge separation guide channels which are arranged on the lip edge output conveyor belt (122), and a lip edge traction rod (123) which is arranged at the end part of a middle partition plate of the lip edge separation guide channels in a swinging mode and guides the direction change of the bearing bush piece (.
4. A bearing bush processing system is characterized by comprising a rack assembly, an automatic bearing bush processing and conveying assembly line, a bearing bush milling and positioning lip device, an inner hole milling device, a bearing bush boring inner oil line device and a bearing bush oil line inner hole repairing machine (12), wherein the automatic bearing bush processing and conveying assembly line is arranged on the rack assembly and is used for conveying a bearing bush piece (1) between working procedures;
the bearing bush inner boring oil line equipment comprises an oil groove milling device (11);
the oil groove milling device (11) comprises an oil groove milling feeding plate (71) for placing the inverted shaft bush piece (1), an oil groove milling secondary feeding mechanical arm (72) which is arranged on one side of the oil groove milling feeding plate (71) and used for pushing the shaft bush piece (1), an oil groove milling bottom process opening (78) arranged at the output end of the oil groove milling feeding plate (71), oil groove milling side wall (73) which is arranged on two sides of the oil groove milling bottom process opening (78) and located on two sides of the shaft bush piece (1), an oil groove milling three-coordinate machine head (74) arranged on one side of the oil groove milling side wall (73), an oil groove milling lifting pressure head (75) arranged on the oil groove milling three-coordinate machine head (74), an oil groove milling lower profiling arc (76) which is arranged at the lower end of the oil groove milling lifting pressure head (75) and used for being in pressure contact with the arc surface on the upper end of the inverted shaft bush piece (1), an oil groove milling side locating plate (77) movably arranged on two side surfaces of the profiling, The oil groove milling device comprises an oil groove milling flat-head drill (80) and an oil groove milling alloy drill (79), wherein the oil groove milling flat-head drill is arranged below a process opening (78) at the bottom of an oil groove and is driven by a machine head, a cutter head of the oil groove milling flat-head drill is arranged above the process opening (78) at the bottom of the oil groove milling flat-head drill, a cutter head of the oil groove milling alloy drill is arranged above the inner arc surface of the bearing bush piece (1), the cutter head of the oil groove milling flat-head drill is arranged below the process opening (78) at the bottom of the oil groove milling flat-head drill, is driven by the machine head, is provided with the cutter head upwards, and is used for longitudinally milling the oil groove on the inner arc surface of the bearing bush piece (1), and an oil groove milling stretching and retracting arm (83) is arranged below the process opening (78) at the bottom of the oil;
the bearing bush inner oil line boring device also comprises a hydraulic system of a bearing bush oil line boring machine;
the hydraulic system of the bearing bush oil boring line machine comprises a third output push head electromagnetic valve (124), a third output push head hydraulic cylinder (125), a third output linkage left push rod (126), a third output linkage right push rod (127), a third output stroke switch (128), an oil milling groove secondary feeding electromagnetic valve (129), an oil milling groove secondary feeding motor (130), an oil milling groove secondary feeding bevel gear set (131), a gear rack assembly (132), a coupling (133), an output arm electromagnetic valve (134), an output telescopic arm hydraulic lock (135), an output telescopic arm hydraulic cylinder (136), an output telescopic arm stroke switch (137),
The third output pushing head hydraulic cylinder (125) drives the third output inclined pushing head (70) to stretch; a rod cavity and a rodless cavity of the third output push head hydraulic cylinder (125) are respectively connected with corresponding oil outlets of a third output push head electromagnetic valve (124) of which the middle position function is M-shaped; the third output linkage left push rod (126) and the third output linkage right push rod (127) are respectively arranged at the root part and the end part of a piston rod of the third output push head hydraulic cylinder (125); the third output travel switch (128) is arranged at the end position of the piston rod travel of the third output push head hydraulic cylinder (125);
an oil groove milling secondary feeding motor (130) drives an oil groove milling secondary feeding mechanical arm (72) to swing; a pipeline of the oil milling groove secondary feeding motor (130) is communicated with an oil outlet corresponding to the oil milling groove secondary feeding electromagnetic valve (129);
reversing handles on two sides of the oil milling groove secondary feeding electromagnetic valve (129) respectively correspond to a third output linkage left push rod (126) and a third output linkage right push rod (127);
the oil milling groove secondary feeding motor (130) is in transmission connection with an oil milling groove secondary feeding bevel gear set (131), the oil milling groove secondary feeding bevel gear set (131) drives a gear rack assembly (132) to transmit through a transmission shaft, an output rack of the gear rack assembly (132) is connected with an output arm electromagnetic valve (134) through a coupling (133), an output telescopic arm hydraulic cylinder (136) drives an oil milling groove output telescopic arm (83) to move, and an output telescopic arm hydraulic lock (135) is arranged on a pipeline between the output arm electromagnetic valve (134) and the output telescopic arm hydraulic cylinder (136); the output telescopic boom stroke switch (137) is at the stroke end point of the output telescopic boom hydraulic cylinder (136).
5. A bearing bush processing system is characterized by comprising a rack assembly, an automatic bearing bush processing and conveying assembly line, a bearing bush milling and positioning lip device, an inner hole milling device, a bearing bush boring inner oil line device and a bearing bush oil line inner hole repairing machine (12), wherein the automatic bearing bush processing and conveying assembly line is arranged on the rack assembly and is used for conveying a bearing bush piece (1) between working procedures;
the bearing bush inner boring oil line equipment comprises an oil groove milling device (11);
the oil groove milling device (11) comprises an oil groove milling feeding plate (71) for placing the inverted shaft bush piece (1), an oil groove milling secondary feeding mechanical arm (72) which is arranged on one side of the oil groove milling feeding plate (71) and used for pushing the shaft bush piece (1), an oil groove milling bottom process opening (78) arranged at the output end of the oil groove milling feeding plate (71), oil groove milling side wall (73) which is arranged on two sides of the oil groove milling bottom process opening (78) and located on two sides of the shaft bush piece (1), an oil groove milling three-coordinate machine head (74) arranged on one side of the oil groove milling side wall (73), an oil groove milling lifting pressure head (75) arranged on the oil groove milling three-coordinate machine head (74), an oil groove milling lower profiling arc (76) which is arranged at the lower end of the oil groove milling lifting pressure head (75) and used for being in pressure contact with the arc surface on the upper end of the inverted shaft bush piece (1), an oil groove milling side locating plate (77) movably arranged on two side surfaces of the profiling, The oil groove milling device comprises an oil groove milling flat-head drill (80) and an oil groove milling alloy drill (79), wherein the oil groove milling flat-head drill is arranged below a process opening (78) at the bottom of an oil groove and is driven by a machine head, a cutter head of the oil groove milling flat-head drill is arranged above the process opening (78) at the bottom of the oil groove milling flat-head drill, a cutter head of the oil groove milling alloy drill is arranged above the inner arc surface of the bearing bush piece (1), the cutter head of the oil groove milling flat-head drill is arranged below the process opening (78) at the bottom of the oil groove milling flat-head drill, is driven by the machine head, is provided with the cutter head upwards, and is used for longitudinally milling the oil groove on the inner arc surface of the bearing bush piece (1), and an oil groove milling stretching and retracting arm (83) is arranged below the process opening (78) at the bottom of the oil;
the bearing bush inner oil line boring equipment also comprises a bearing bush oil line boring machine electric control system;
the electric control system of the bearing bush oil boring line machine comprises an input voltage (138), a voltage transformer PT (139), an indicator light module L (140), a direct current circuit (141), a direct current main switch SA (142), a direct current relay KM (143), a rectifier (144), a relay SB (145), a PLC (146), a direct current emergency stop switch SD (147), a control switch SC (148), a control relay KB (149), an intermediate relay KC (150), an industrial circuit (151), a working motor (152), an interlocking switch SD (153) and a warning light (154);
a direct current main switch SA (142) and a control coil of a direct current relay KM (143) are connected in series on the direct current circuit (141); an execution switch of the direct current relay KM (143) is connected between the rectifier (144) and a secondary coil of the voltage transformer PT (139);
the input voltage (138) is electrically connected with a primary coil of a voltage transformer PT (139);
the input end of the rectifier (144) and the indicator light module L (140) are connected in parallel on a secondary coil of the voltage transformer PT (139);
a control coil of a relay SB (145) and an input end of a PLC (146) are connected in parallel between output ends of the rectifier (144); a direct current scram switch SD (147) is arranged at the output end of the rectifier (144);
the control switch SC (148) and the controller of the control relay KB (149) are connected in series at the corresponding output end of the PLC (146);
an execution switch of the control relay KB (149) and a control coil of the intermediate relay KC (150) are connected in series between output ends of the rectifier (144);
an industrial circuit (151) supplies power to each working motor (152) of the oil groove milling device (11) through an execution switch of a relay SB (145); the working motor (152) is connected with a normally closed switch of the interlocking switch SD (153) through an execution switch of the intermediate relay KC (150) which is connected in series; the warning lamp (154) is connected with the linkage normally open switch of the interlocking switch SD (153) in series and then is connected with the power.
CN202011403902.1A 2019-07-17 2019-07-17 Automatic processing system for bearing bush Active CN112589458B (en)

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CN202111212027.3A Pending CN113829077A (en) 2019-07-17 2019-07-17 Bearing bush manufacturing equipment based on automatic milling positioning lip
CN201910643763.0A Active CN110303343B (en) 2019-07-17 2019-07-17 Bearing bush machining system
CN202111210545.1A Pending CN113829076A (en) 2019-07-17 2019-07-17 Processing axle bush system based on advanced boring and milling inner hole technology

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CN202111210545.1A Pending CN113829076A (en) 2019-07-17 2019-07-17 Processing axle bush system based on advanced boring and milling inner hole technology

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CN110303343B (en) 2021-04-09

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