CN116214234B - Bearing bush machining transmission mechanism and transmission method - Google Patents
Bearing bush machining transmission mechanism and transmission method Download PDFInfo
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- CN116214234B CN116214234B CN202310304522.XA CN202310304522A CN116214234B CN 116214234 B CN116214234 B CN 116214234B CN 202310304522 A CN202310304522 A CN 202310304522A CN 116214234 B CN116214234 B CN 116214234B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 215
- 238000003754 machining Methods 0.000 title claims description 38
- 230000007246 mechanism Effects 0.000 title claims description 29
- 238000000034 method Methods 0.000 title claims description 15
- 238000009434 installation Methods 0.000 claims abstract description 30
- 230000033001 locomotion Effects 0.000 claims abstract description 29
- 210000003746 feather Anatomy 0.000 claims description 4
- 230000009471 action Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000000926 separation method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The upper end of the cutter bar shaft cam sleeve is positioned in the upper transmission sleeve body, and the lower end edge of the cutter bar shaft cam sleeve is exposed out of the roller shaft installation gap; the top end of the cutter bar shaft body is positioned in the cutter bar shaft cam sleeve, the lower end of the cutter bar shaft body extends out of the bottom of the main shaft body, and the cutter bar shaft body is positioned at an eccentric position preset by the main shaft body; the transmission sleeve roller shaft is arranged in the roller shaft installation gap, the cutter bar shaft cam sleeve is formed with a spiral track groove, and the transmission sleeve roller shaft is attached to the spiral track groove. The main shaft body only needs to perform rotary motion, offset motion is not needed, the lever type design is adopted, the cutter bar shaft body is converted from linear motion to self rotary motion by means of the cutter bar shaft cam sleeve and the transmission sleeve roller shaft, and the cutter bar shaft body in eccentric design can control the feeding and pushing motion of a connected bearing bush processing cutter head by self rotation, so that the processing size and precision of a bearing bush oil line are controlled.
Description
Technical Field
The invention relates to a bearing bush machining transmission mechanism and a transmission method, and belongs to the technical field of bearing bush machining.
Background
The bearing bush is a contact part of the sliding bearing and the journal, is a half-cylindrical surface in a tile shape, and is generally made of bronze, antifriction alloy and other wear-resistant materials. A very thin oil film is required to be arranged between the bearing bush and the rotating shaft for lubrication, and if lubrication is poor, direct friction exists between the bearing bush and the rotating shaft, and the friction can generate very high temperature. In order to achieve a good lubricating effect between the bearing bush and the rotating shaft, a groove-shaped oil line needs to be machined on the bearing bush.
The traditional oil line course of working, need fix the axle bush, use the cutter to process the axle bush medial surface, the pivot front end installation cutter of motor places the axle bush in accommodation, starts when the motor, and the pivot drives the rotatory axle bush medial surface of cutter and processes. The cutter rotates around the rotating shaft, and the rotating shaft moves along the axial direction of the bearing bush, so that the whole inner side surface of the bearing bush is machined.
In the traditional processing mode, the rotating shaft has a rotating action, a moving action along the axis direction of the bearing bush also occurs, the feed amplitude and the moving track of the cutter are controlled by the rotation and the movement of the rotating shaft, and the accurate control of the processing size is difficult to achieve. How to realize the transmission separation control of the cutter and the main shaft for processing the oil line of the bearing bush so as to ensure the processing precision of the oil line has important practical significance.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a bearing bush machining transmission mechanism and a transmission method, which realize the transmission separation control of a cutter for machining a bearing bush oil line and a main shaft and solve the problem that the traditional method relies on the rotation and the movement of the main shaft and is difficult to control the machining precision of the oil line.
The technical scheme for solving the technical problems is as follows: the bearing bush machining transmission mechanism comprises a linear driving piece, a feed lever movable seat, a feed lever body, a feed lever fixing seat, a transmission sleeve adapter seat, an upper transmission sleeve body, a lower transmission sleeve body, a cutter bar shaft cam sleeve, a cutter bar shaft body, a main shaft body and a transmission sleeve roll shaft;
the upper end of the linear driving piece is connected with the feed lever movable seat, and the feed lever movable seat is hinged with one end of the feed lever body; the other end of the feed lever body is hinged with the feed lever fixing seat, and the middle part of the feed lever body is hinged with the transmission sleeve adapter seat;
the upper end of the upper transmission sleeve body is connected with the lower end of the transmission sleeve adapter seat, the upper end of the lower transmission sleeve body is connected with the lower end of the upper transmission sleeve body, and a roll shaft installation gap is formed between the lower transmission sleeve body and the upper transmission sleeve body;
the upper end of the cutter bar shaft cam sleeve is positioned in the upper transmission sleeve body, and the edge of the lower end of the cutter bar shaft cam sleeve is exposed out of the roller shaft installation gap; the top end of the cutter bar shaft body is positioned in the cutter bar shaft cam sleeve, the lower end of the cutter bar shaft body extends out of the bottom of the main shaft body, and the cutter bar shaft body is positioned at an eccentric position preset by the main shaft body;
the transmission sleeve roller shaft is arranged in the roller shaft installation gap, the cutter bar shaft cam sleeve is provided with a spiral track groove, and the transmission sleeve roller shaft is attached to the spiral track groove.
As the preferable scheme of the bearing bush processing transmission mechanism, one end of the feed lever body is connected with a first sliding block, a first through groove is formed in the feed lever movable seat, the first sliding block is positioned in the first through groove, and the first sliding block is hinged with the feed lever movable seat through a first pin shaft;
the other end of the feed lever body is connected with a second sliding block, the feed lever fixing seat is provided with a second through groove, the second sliding block is positioned in the second through groove, and the second sliding block is hinged with the feed lever fixing seat through a second pin shaft.
As the preferable scheme of the bearing bush processing transmission mechanism, the middle part of the feed lever body is provided with a support flange, the transmission sleeve adapter seat is provided with a third through groove, the support flange is positioned in the third through groove, and the support flange is hinged with the transmission sleeve adapter seat by a third pin shaft.
As the preferable scheme of the bearing bush processing transmission mechanism, a thrust ball bearing is arranged at the contact part of the transmission sleeve adapter and the upper transmission sleeve body, a first lock nut is connected to the bottom of the transmission sleeve adapter, and the first lock nut is positioned below the thrust ball bearing.
As the preferable scheme of the bearing bush processing transmission mechanism, the upper end of the lower transmission sleeve body is provided with symmetrical lifting bulges, the top of each lifting bulge contacts with the bottom of the upper transmission sleeve body, and the roller shaft installation gap is formed at the side part of each lifting bulge;
the transmission sleeve roll shafts are symmetrically arranged on two sides of the lifting protrusions, and the end parts of the transmission sleeve roll shafts are connected with roll shaft mounting seats;
the inside of lower transmission cover body is equipped with the main shaft reducing cover, main shaft reducing cover with be equipped with the main shaft reducing feather key down between the transmission cover body, lower transmission cover body is through main shaft reducing feather key is relative the main shaft reducing cover reciprocates.
As a preferable scheme of the bearing bush processing transmission mechanism, a main shaft driving belt wheel is arranged below the lower transmission sleeve body, and the main shaft body passes through the center of the main shaft driving belt wheel; the main shaft driving belt wheel is provided with a main shaft driving motor; the main shaft driving motor is connected with the main shaft driving belt wheel through a main shaft driving belt.
As a preferable scheme of the bearing bush processing transmission mechanism, a main shaft sleeve is arranged below the main shaft driving belt wheel, the main shaft body penetrates through the center of the main shaft sleeve, and a second lock nut is arranged between the main shaft driving belt wheel and the main shaft sleeve;
the bottom of the main shaft sleeve is connected with an upper end positioning conical disc;
the bottom of cutter arbor body is connected with the axle bush processing blade disc, the axle bush processing blade disc is in the inside of upper end location awl dish.
As the preferable proposal of the bearing bush processing transmission mechanism, the periphery of the upper end of the main shaft sleeve is provided with a sleeve upper fixing seat plate, and the linear driving piece is connected with the edge of the sleeve upper fixing seat plate;
the spindle driving motor is connected to the side portion of the fixed seat plate on the sleeve.
As the preferable scheme of the bearing bush processing transmission mechanism, the periphery of the lower end of the main shaft sleeve is provided with a sleeve lower fixing seat plate, a stand column body is connected between the sleeve lower fixing seat plate and the sleeve upper fixing seat plate, and the top end of the stand column body extends to the upper part of the sleeve upper fixing seat plate;
the top of the upright post body is connected with an upright post fixed top plate, and the feed lever fixing seat penetrates through the upright post fixed top plate and is connected with the sleeve upper fixed seat plate.
The invention also provides a bearing bush machining transmission method, which adopts the bearing bush machining transmission mechanism, and the straight line driving piece drives the feed lever movable seat to move up and down, and the feed lever movable seat moves up and down to drive the transmission sleeve adapter seat to move up and down;
the up-and-down movement of the transmission sleeve adapter is converted into the self-rotation movement of the cutter bar shaft body through the cutter bar shaft cam sleeve and the transmission sleeve roller shaft;
the cutter bar shaft body rotates to enable the carried bearing bush processing cutter head to perform feeding and retracting actions of bearing bush oil line processing;
and controlling the rotation of the main shaft body to drive the bearing bush processing cutter disc carried by the cutter bar shaft body to rotate so as to realize the processing of the bearing bush oil line.
The beneficial effects of the invention are as follows: the device is provided with a linear driving piece, a feed lever movable seat, a feed lever body, a feed lever fixed seat, a transmission sleeve adapter seat, an upper transmission sleeve body, a lower transmission sleeve body, a cutter bar shaft cam sleeve, a cutter bar shaft body, a main shaft body and a transmission sleeve roll shaft; the upper end of the linear driving piece is connected with a feed lever movable seat, and the feed lever movable seat is hinged with one end of the feed lever body; the other end of the feed lever body is hinged with the feed lever fixing seat, and the middle part of the feed lever body is hinged with the transmission sleeve adapter seat; the upper end of the upper transmission sleeve body is connected with the lower end of the transmission sleeve adapter seat, the upper end of the lower transmission sleeve body is connected with the lower end of the upper transmission sleeve body, and a roll shaft installation gap is formed between the lower transmission sleeve body and the upper transmission sleeve body; the upper end of the cutter bar shaft cam sleeve is positioned in the upper transmission sleeve body, and the edge of the lower end of the cutter bar shaft cam sleeve is exposed out of the roller shaft installation gap; the top end of the cutter bar shaft body is positioned in the cutter bar shaft cam sleeve, the lower end of the cutter bar shaft body extends out of the bottom of the main shaft body, and the cutter bar shaft body is positioned at an eccentric position preset by the main shaft body; the transmission sleeve roller shaft is arranged in the roller shaft installation gap, the cutter bar shaft cam sleeve is formed with a spiral track groove, and the transmission sleeve roller shaft is attached to the spiral track groove. The invention realizes the separation transmission control of the main shaft body and the cutter bar shaft body, the main shaft body only needs to perform rotary motion and does not need to perform offset motion, the lever type design of the feed lever movable seat, the feed lever body, the feed lever fixed seat and the transmission sleeve adapter seat ensures that the cutter bar shaft body realizes the conversion from linear motion to self rotary motion by means of the cutter bar shaft cam sleeve and the transmission sleeve roller shaft, and the cutter bar shaft body with eccentric design can control the feed and push motion of a connected bearing bush processing cutter head by rotating itself, thereby being beneficial to controlling the processing size and precision of a bearing bush oil line.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
Fig. 1 is a schematic perspective view of a bearing bush processing transmission mechanism provided in an embodiment of the present invention;
FIG. 2 is a perspective view of another embodiment of a bushing processing transmission mechanism according to the present invention;
FIG. 3 is a schematic cross-sectional view of a bearing shell processing transmission mechanism provided in an embodiment of the present invention;
fig. 4 is a schematic view of a lever type design of a bearing bush machining transmission mechanism according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a transmission mechanism for processing a bearing bush according to an embodiment of the present invention.
In the figure, 1, a linear driving member; 2. a feed lever movable seat; 3. a feed lever body; 4. a feed lever fixing seat; 5. a transmission sleeve adapter seat; 6. an upper driving sleeve body; 7. a lower transmission sleeve body; 8. a cutter bar shaft cam sleeve; 9. a cutter bar shaft body; 10. a main shaft body; 11. a transmission sleeve roll shaft; 12. a roll shaft installation gap; 13. a spiral track groove; 14. a first slider; 15. a first through groove; 16. a first pin; 17. a second slider; 18. a second through slot; 19. a second pin; 20. a support flange; 21. a third through slot; 22. a third pin; 23. a first lock nut; 24. raising the protrusion; 25. a roll shaft mounting seat; 26. a spindle drive pulley; 27. a spindle drive motor; 28. a spindle sleeve; 29. a second lock nut; 30. the upper end is positioned with a conical disc; 31. bearing bush processing cutterhead; 32. a seat board is fixed on the sleeve; 33. a seat board is fixed under the sleeve; 34. a column body; 35. the upright post is used for fixing the top plate; 36. a main shaft reducing sleeve; 37. and a main shaft reducing sliding key.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a bearing bush processing transmission mechanism, which includes a linear driving member 1, a feed lever movable seat 2, a feed lever body 3, a feed lever fixing seat 4, a transmission sleeve adapter seat 5, an upper transmission sleeve body 6, a lower transmission sleeve body 7, a cutter bar shaft cam sleeve 8, a cutter bar shaft body 9, a main shaft body 10 and a transmission sleeve roller shaft 11;
the upper end of the linear driving piece 1 is connected with a feed lever movable seat 2, and the feed lever movable seat 2 is hinged with one end of a feed lever body 3; the other end of the feed lever body 3 is hinged with a feed lever fixing seat 4, and the middle part of the feed lever body 3 is hinged with a transmission sleeve adapter seat 5;
wherein, the upper end of the upper transmission sleeve body 6 is connected with the lower end of the transmission sleeve adapter seat 5, the upper end of the lower transmission sleeve body 7 is connected with the lower end of the upper transmission sleeve body 6, and a roll shaft installation gap 12 is formed between the lower transmission sleeve body 7 and the upper transmission sleeve body 6;
the upper end of the cutter bar shaft cam sleeve 8 is positioned in the upper transmission sleeve body 6, and the edge of the lower end of the cutter bar shaft cam sleeve 8 is exposed out of the roller shaft mounting gap 12; the top end of the cutter bar shaft body 9 is positioned in the cutter bar shaft cam sleeve 8, the lower end of the cutter bar shaft body 9 extends out of the bottom of the main shaft body 10, and the cutter bar shaft body 9 is positioned at an eccentric position preset by the main shaft body 10;
wherein, the transmission sleeve roller 11 is arranged at the roller shaft installation gap 12, the cutter bar shaft cam sleeve 8 is provided with a spiral track groove 13, and the transmission sleeve roller 11 is attached to the spiral track groove 13.
In the embodiment, the feed lever movable seat 2, the feed lever body 3, the feed lever fixing seat 4 and the transmission sleeve adapter seat 5 form a lever type structure, the connection positions of the feed lever fixing seat 4 and the feed lever body 3 form a fulcrum, the linear driving piece 1 can adopt a double-head oil cylinder, and when the linear driving piece 1 drives the feed lever movable seat 2 upwards, the central position of the feed lever body 3 moves upwards so as to enable the transmission sleeve adapter seat 5 to move upwards; when the linear driving piece 1 drives the feed lever movable seat 2 downwards, the center position of the feed lever body 3 moves downwards so as to enable the transmission sleeve adapter seat 5 to move downwards, and the lever type design enables the transmission sleeve adapter seat 5 to be driven more easily. The transmission sleeve adapter seat 5 drives the upper transmission sleeve body 6 to move up and down, and in the process of moving up and down the upper transmission sleeve body 6, the transmission sleeve roll shaft 11 and the cutter bar shaft cam sleeve 8 are contacted through the spiral track groove 13 before, so that the cutter bar shaft cam sleeve 8 rotates, the cutter bar shaft cam sleeve 8 rotates to drive the connected cutter bar shaft body 9 to rotate, the cutter bar shaft body 9 rotates to drive the connected bearing bush machining cutter disc 31 to rotate, and the cutter bar shaft body 9 drives the bearing bush machining cutter disc 31 to rotate to realize feeding and retracting actions due to the eccentric design of the cutter bar shaft body 9 relative to the main shaft body 10.
The feeding means that the bearing bush machining cutter disc 31 is in rotary offset contact with the bearing bush inner wall of the machining oil line, the retracting means that the bearing bush machining cutter disc 31 is in rotary offset separation from the bearing bush inner wall of the machining oil line, namely, through eccentric design, the cutter bar shaft body 9 drives the bearing bush machining cutter disc 31 to rotate with a radial offset, and the feeding and retracting are realized through the offset.
The bearing bush processing cutter 31 after feeding integrally rotates under the carrying of the main shaft body 10, and the bearing bush processing cutter 31 contacts the inner wall of the bearing bush, so that the processing of the bearing bush oil line is realized. The machining depth of the oil line is controlled by controlling the feed amount, and the machining width of the oil line is controlled by controlling the up-down movement amount of the bearing bush machining cutterhead 31.
In the embodiment, one end of the feed lever body 3 is connected with a first sliding block 14, a first through groove 15 is formed on the feed lever movable seat 2, the first sliding block 14 is positioned in the first through groove 15, and the first sliding block 14 is hinged with the feed lever movable seat 2 through a first pin shaft 16; the other end of the feed lever body 3 is connected with a second sliding block 17, the feed lever fixing seat 4 is formed with a second through groove 18, the second sliding block 17 is positioned in the second through groove 18, and the second sliding block 17 is hinged with the feed lever fixing seat 4 through a second pin shaft 19. The middle part of the feed lever body 3 is provided with a support flange 20, the transmission sleeve adapter 5 is provided with a third tee groove 21, the support flange 20 is positioned in the third tee groove 21, and the support flange 20 is hinged with the transmission sleeve adapter 5 by a third pin shaft 22.
Specifically, the first slider 14 and the first through groove 15 cannot rotate relatively, the first slider 14 and the first through groove 15 are preferably square in design, and the first pin 16 can realize the rotation action between the feed lever movable seat 2 and the feed lever body 3, so that the up-down driving is convenient. In the same way, the second slider 17 and the second through groove 18 cannot rotate relatively, the second slider 17 and the second through groove 18 are preferably square in design, and because the feed lever fixing seat 4 cannot move up and down, when the feed lever movable seat 2 drives the feed lever body 3 to move up and down, the feed lever body 3 and the feed lever fixing seat 4 can only rotate relatively through the second pin shaft 19. The supporting flange 20 and the third through groove 21 are matched, so that the upper transmission sleeve body 6 is driven in the up-and-down moving process of the cutter feeding lever body 3, and the accurate control of the up-and-down movement of the cutter bar shaft body 9 and the cutter feeding and retracting of the cutter rotating by the cutter bar shaft body is realized.
In the embodiment, a thrust ball bearing is arranged at the contact part of the transmission sleeve adapter seat 5 and the upper transmission sleeve body 6, a first lock nut 23 is connected to the bottom of the transmission sleeve adapter seat 5, and the first lock nut 23 is positioned below the thrust ball bearing.
Specifically, the first lock nut 23 locks the thrust ball bearing at the contact position of the transmission sleeve adaptor 5 and the upper transmission sleeve body 6, the upper transmission sleeve body 6 can rotate relative to the transmission sleeve adaptor 5, and when the main shaft body 10 is driven, the whole cutter bar shaft cam sleeve 8, the cutter bar shaft body 9 and the transmission sleeve roller shaft 11 can simultaneously follow and rotate, so that the cutter bar shaft body 9 drives the bearing bush processing cutter disc 31 to carry out oil line processing.
The cutter bar shaft body 9 drives the bearing bush processing cutter disc 31 to rotate along with the main shaft body 10 to control a oiling track, and the cutter bar shaft body 9 rotates relative to the main shaft body 10 to control the oiling processing depth and width.
In the embodiment, the upper end of the lower transmission sleeve body 7 is provided with symmetrical lifting bulges 24, the top of the lifting bulges 24 contacts with the bottom of the upper transmission sleeve body 6, and a roll shaft installation gap 12 is formed at the side part of the lifting bulges 24; the transmission sleeve roll shaft 11 is symmetrically arranged on two sides of the lifting protrusion 24, and the end part of the transmission sleeve roll shaft 11 is connected with a roll shaft installation seat 25.
Specifically, the design purpose of the elevation protrusion 24 is to form a roller shaft installation gap 12 between the lower transmission sleeve body 7 and the upper transmission sleeve body 6, the transmission sleeve roller shaft 11 is arranged in the roller shaft installation gap 12 through a roller shaft installation seat 25, and the transmission sleeve roller shaft 11 can rotate relative to the roller shaft installation seat 25, so that when the cutter bar shaft cam sleeve 8 moves up and down, rotation can occur under the action of the transmission sleeve roller shaft 11.
In this embodiment, a main shaft reducing sleeve 36 is disposed in the lower transmission sleeve body 7, a main shaft reducing sliding key 37 is disposed between the main shaft reducing sleeve 36 and the lower transmission sleeve body 7, and the lower transmission sleeve body 7 moves up and down relative to the main shaft reducing sleeve 36 through the main shaft reducing sliding key 37.
Specifically, the transmission sleeve adaptor 5 is driven by the feed lever body 3 to move up and down, and the upper transmission sleeve body 6 and the lower transmission sleeve body 7 connected with the transmission sleeve adaptor 5 also move up and down. In order to realize that the upper transmission sleeve body 6 and the lower transmission sleeve body 7 can move up and down on the premise of rotating, a main shaft reducing sliding key 37 is arranged between the main shaft reducing sleeve 36 and the lower transmission sleeve body 7, and the lower transmission sleeve body 7 moves up and down relative to the main shaft reducing sleeve 36 through the main shaft reducing sliding key 37, so that the linear motion of the linear driving piece 1 is converted into rotary motion, and meanwhile, the rotation of the upper transmission sleeve body 6 and the lower transmission sleeve body 7 cannot be interfered.
It should be emphasized that the main shaft reducing sleeve 36 and the main shaft reducing sliding key 37 are designed to enable the main shaft body 10 to be reduced up and down, and in the process of reducing up and down, the main shaft body 9 rotates by itself through the cutter shaft cam sleeve 8 and the transmission sleeve roller shaft 11.
In the embodiment, a main shaft driving belt wheel 26 is arranged below the lower transmission sleeve body 7, and the main shaft body 10 passes through the center of the main shaft driving belt wheel 26; the spindle drive pulley 26 is provided with a spindle drive motor 27; the spindle drive motor 27 and the spindle drive pulley 26 are connected by a spindle belt. A main shaft sleeve 28 is arranged below the main shaft driving belt wheel 26, the main shaft body 10 passes through the center of the main shaft sleeve 28, and a second lock nut 29 is arranged between the main shaft driving belt wheel 26 and the main shaft sleeve 28; the bottom of the main shaft sleeve 28 is connected with an upper end positioning cone disc 30; the bottom of the cutter bar shaft body 9 is connected with a bearing bush processing cutter disc 31, and the bearing bush processing cutter disc 31 is positioned in the upper end positioning conical disc 30.
Specifically, the spindle driving motor 27 drives the spindle driving belt wheel 26 to operate through the spindle driving belt, the spindle driving belt wheel 26 operates to drive the spindle body 10 to rotate, the spindle body 10 rotates to drive the cutter bar shaft body 9 to rotate, and the cutter bar shaft body 9 drives the bearing bush machining cutter disc 31 to rotate to machine the bearing bush positioned by the upper end positioning cone disc 30.
The second lock nut 29 plays a supporting role of the spindle driving pulley 26, the spindle sleeve 28 plays a protecting role of the spindle body 10, and meanwhile, an upper end positioning conical disc 30 is installed through the spindle sleeve 28 to facilitate positioning of the bearing bush, a bearing is matched between the spindle body 10 and the spindle sleeve 28, and the spindle body 10 can rotate relative to the spindle sleeve 28.
In the embodiment, the upper end periphery of the spindle sleeve 28 is provided with a sleeve upper fixing seat plate 32, and the linear driving member 1 is connected with the edge of the sleeve upper fixing seat plate 32; the main shaft driving motor 27 is connected to the side of the sleeve upper fixing seat plate 32; a sleeve lower fixing seat plate 33 is arranged on the periphery of the lower end of the main shaft sleeve 28, a stand column body 34 is connected between the sleeve lower fixing seat plate 33 and the sleeve upper fixing seat plate 32, and the top end of the stand column body 34 extends above the sleeve upper fixing seat plate 32; the top of the upright post body 34 is connected with an upright post fixed top plate 35, and the feed lever fixing seat 4 penetrates through the upright post fixed top plate 35 and is connected with the upper fixed seat plate 32 of the sleeve.
The sleeve upper fixing seat plate 32 plays a role in mounting and supporting the spindle sleeve 28 and the spindle driving motor 27, the upright post body 34 plays a role in supporting the sleeve lower fixing seat plate 33 and the sleeve upper fixing seat plate 32, and meanwhile, the feed lever fixing seat 4 is supported through the upright post fixing top plate 35 and the sleeve upper fixing seat plate 32.
The embodiment of the invention also provides a bearing bush machining transmission method, which adopts the bearing bush machining transmission mechanism of the embodiment and comprises the following steps:
the straight line driving piece 1 drives the feed lever movable seat 2 to move up and down, and the feed lever movable seat 2 moves up and down to drive the transmission sleeve adapter seat 5 to move up and down;
the up-and-down movement of the transmission sleeve adapter seat 5 is converted into the self-rotation movement of the cutter bar shaft body 9 through the cutter bar shaft cam sleeve 8 and the transmission sleeve roller shaft 11;
the cutter bar shaft body 9 rotates to enable the carried bearing bush processing cutter head 31 to feed and retract the bearing bush oil line;
the main shaft body 10 is controlled to rotate, and the bearing bush processing cutter disc 31 carried by the cutter bar shaft body 9 is driven to rotate so as to realize the processing of bearing bush oil lines.
In summary, the invention is provided with a linear driving piece 1, a feed lever movable seat 2, a feed lever body 3, a feed lever fixing seat 4, a transmission sleeve adapter seat 5, an upper transmission sleeve body 6, a lower transmission sleeve body 7, a cutter bar shaft cam sleeve 8, a cutter bar shaft body 9, a main shaft body 10 and a transmission sleeve roll shaft 11; the upper end of the linear driving piece 1 is connected with a feed lever movable seat 2, and the feed lever movable seat 2 is hinged with one end of a feed lever body 3; the other end of the feed lever body 3 is hinged with a feed lever fixing seat 4, and the middle part of the feed lever body 3 is hinged with a transmission sleeve adapter seat 5; the upper end of the upper transmission sleeve body 6 is connected with the lower end of the transmission sleeve adapter seat 5, the upper end of the lower transmission sleeve body 7 is connected with the lower end of the upper transmission sleeve body 6, and a roll shaft installation gap 12 is formed between the lower transmission sleeve body 7 and the upper transmission sleeve body 6; the upper end of the cutter bar shaft cam sleeve 8 is positioned in the upper transmission sleeve body 6, and the edge of the lower end of the cutter bar shaft cam sleeve 8 is exposed out of the roller shaft installation gap 12; the top end of the cutter bar shaft body 9 is positioned in the cutter bar shaft cam sleeve 8, the lower end of the cutter bar shaft body 9 extends out of the bottom of the main shaft body 10, and the cutter bar shaft body 9 is positioned at an eccentric position preset by the main shaft body 10; the transmission sleeve roller 11 is arranged in the roller shaft installation gap 12, the cutter bar shaft cam sleeve 8 is provided with a spiral track groove 13, and the transmission sleeve roller 11 is attached to the spiral track groove 13. According to the invention, a lever type structure is formed by the feed lever movable seat 2, the feed lever body 3, the feed lever fixing seat 4 and the transmission sleeve adapter seat 5, a fulcrum is formed at the connection position of the feed lever fixing seat 4 and the feed lever body 3, a double-head oil cylinder can be adopted by the linear driving piece 1, and when the linear driving piece 1 drives the feed lever movable seat 2 upwards, the central position of the feed lever body 3 moves upwards so as to enable the transmission sleeve adapter seat 5 to move upwards; when the linear driving piece 1 drives the feed lever movable seat 2 downwards, the center position of the feed lever body 3 moves downwards so as to enable the transmission sleeve adapter seat 5 to move downwards, and the lever type design enables the transmission sleeve adapter seat 5 to be driven more easily. The transmission sleeve adapter seat 5 drives the upper transmission sleeve body 6 to move up and down, and in the process of moving up and down the upper transmission sleeve body 6, the transmission sleeve roll shaft 11 and the cutter bar shaft cam sleeve 8 are contacted through the spiral track groove 13 before, so that the cutter bar shaft cam sleeve 8 rotates, the cutter bar shaft cam sleeve 8 rotates to drive the connected cutter bar shaft body 9 to rotate, the cutter bar shaft body 9 rotates to drive the connected bearing bush machining cutter disc 31 to rotate, and the cutter bar shaft body 9 drives the bearing bush machining cutter disc 31 to rotate to realize feeding and retracting actions due to the eccentric design of the cutter bar shaft body 9 relative to the main shaft body 10. The bearing bush processing cutter 31 after feeding can integrally rotate under the carrying of the main shaft body 10, and the bearing bush processing cutter 31 contacts the inner wall of the bearing bush, so that the processing of the bearing bush oil line is realized. The invention controls the machining depth of the oil line by controlling the feed amount and controls the machining width of the oil line by controlling the up-down movement amount of the bearing bush machining cutter disc 31. According to the invention, relative rotation cannot occur between the first sliding block 14 and the first through groove 15, the first sliding block 14 and the first through groove 15 are preferably square in design, and the first pin 16 can realize the rotation action between the feed lever movable seat 2 and the feed lever body 3, so that the up-and-down driving is convenient. In the same way, the second slider 17 and the second through groove 18 cannot rotate relatively, the second slider 17 and the second through groove 18 are preferably square in design, and because the feed lever fixing seat 4 cannot move up and down, when the feed lever movable seat 2 drives the feed lever body 3 to move up and down, the feed lever body 3 and the feed lever fixing seat 4 can only rotate relatively through the second pin shaft 19. The support flange 20 and the third through groove 21 are matched, so that the upper transmission sleeve body 6 is driven in the up-and-down moving process of the feed lever body 3, and the up-and-down movement of the cutter bar shaft body 9 and the accurate control of feed and withdrawal of the cutter by the cutter bar shaft body are realized. The lifting bulge 24 is designed to form a roll shaft installation gap 12 between the lower transmission sleeve body 7 and the upper transmission sleeve body 6, the transmission sleeve roll shaft 11 is arranged in the roll shaft installation gap 12 through a roll shaft installation seat 25, and the transmission sleeve roll shaft 11 can rotate relative to the roll shaft installation seat 25, so that when the cutter bar shaft cam sleeve 8 moves up and down, the transmission sleeve roll shaft 11 can rotate under the action of the transmission sleeve roll shaft 11. The invention realizes the separation transmission control of the main shaft body 10 and the cutter bar shaft body 9, the main shaft body 10 only needs to perform rotary motion and does not need to perform offset motion, the lever type design of the feed lever movable seat 2, the feed lever body 3, the feed lever fixing seat 4 and the transmission sleeve switching seat 5 ensures that the cutter bar shaft body 9 realizes the conversion from linear motion to self rotary motion by means of the cutter bar shaft cam sleeve 8 and the transmission sleeve roller shaft 11, and the cutter bar shaft body 9 with eccentric design can control the feed and push motions of the connected bearing bush processing cutter disc 31 by rotating itself, thereby being beneficial to controlling the processing size and precision of bearing bush oil lines.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention, which are within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The bearing bush machining transmission mechanism is characterized by comprising a linear driving piece (1), a feed lever movable seat (2), a feed lever body (3), a feed lever fixing seat (4), a transmission sleeve adapter seat (5), an upper transmission sleeve body (6), a lower transmission sleeve body (7), a cutter bar shaft cam sleeve (8), a cutter bar shaft body (9), a main shaft body (10) and a transmission sleeve roll shaft (11);
the upper end of the linear driving piece (1) is connected with the feed lever movable seat (2), and the feed lever movable seat (2) is hinged with one end of the feed lever body (3); the other end of the feed lever body (3) is hinged with the feed lever fixing seat (4), and the middle part of the feed lever body (3) is hinged with the transmission sleeve adapter seat (5);
the upper end of the upper transmission sleeve body (6) is connected with the lower end of the transmission sleeve adapter seat (5), the upper end of the lower transmission sleeve body (7) is connected with the lower end of the upper transmission sleeve body (6), and a roll shaft installation gap (12) is formed between the lower transmission sleeve body (7) and the upper transmission sleeve body (6);
the upper end of the cutter bar shaft cam sleeve (8) is positioned in the upper transmission sleeve body (6), and the edge of the lower end of the cutter bar shaft cam sleeve (8) is exposed out of the roller shaft installation gap (12); the top end of the cutter bar shaft body (9) is positioned in the cutter bar shaft cam sleeve (8), the lower end of the cutter bar shaft body (9) extends out of the bottom of the main shaft body (10), and the cutter bar shaft body (9) is positioned at a preset eccentric position of the main shaft body (10);
the transmission sleeve roller shaft (11) is arranged in the roller shaft installation gap (12), the cutter bar shaft cam sleeve (8) is provided with a spiral track groove (13), and the transmission sleeve roller shaft (11) is attached to the spiral track groove (13);
one end of the feed lever body (3) is connected with a first sliding block (14), the feed lever movable seat (2) is provided with a first through groove (15), the first sliding block (14) is positioned in the first through groove (15), and the first sliding block (14) is hinged with the feed lever movable seat (2) through a first pin shaft (16);
the other end of the feed lever body (3) is connected with a second sliding block (17), the feed lever fixing seat (4) is provided with a second through groove (18), the second sliding block (17) is positioned in the second through groove (18), and the second sliding block (17) is hinged with the feed lever fixing seat (4) through a second pin shaft (19);
a main shaft driving belt wheel (26) is arranged below the lower transmission sleeve body (7), and the main shaft body (10) passes through the center of the main shaft driving belt wheel (26); the spindle drive pulley (26) is provided with a spindle drive motor (27); the spindle drive motor (27) is connected with the spindle drive belt wheel (26) through a spindle transmission belt.
2. Bearing bush machining transmission mechanism according to claim 1, characterized in that a supporting flange (20) is formed in the middle of the feed lever body (3), a third through groove (21) is formed in the transmission bush adapter seat (5), the supporting flange (20) is located in the third through groove (21), and a third pin shaft (22) is adopted to hinge between the supporting flange (20) and the transmission bush adapter seat (5).
3. A bearing bush machining transmission mechanism according to claim 2, wherein a thrust ball bearing is arranged at the contact part of the transmission bush adapter seat (5) and the upper transmission bush body (6), a first lock nut (23) is connected to the bottom of the transmission bush adapter seat (5), and the first lock nut (23) is arranged below the thrust ball bearing.
4. A bush machining transmission mechanism according to claim 1, wherein the upper end of the lower transmission sleeve body (7) is provided with symmetrical elevation protrusions (24), the tops of the elevation protrusions (24) contact the bottom of the upper transmission sleeve body (6), and the roller shaft mounting gaps (12) are formed on the sides of the elevation protrusions (24);
the transmission sleeve roller shafts (11) are symmetrically arranged on two sides of the lifting protrusions (24), and roller shaft installation seats (25) are connected to the end parts of the transmission sleeve roller shafts (11);
the inside of lower transmission cover body (7) is equipped with main shaft reducing cover (36), main shaft reducing cover (36) with be equipped with main shaft reducing feather key (37) between lower transmission cover body (7), lower transmission cover body (7) are through main shaft reducing feather key (37) for main shaft reducing cover (36) reciprocates.
5. A bush machining transmission mechanism according to claim 1, characterized in that a spindle sleeve (28) is provided below the spindle drive pulley (26), the spindle body (10) passes through the center of the spindle sleeve (28), and a second lock nut (29) is provided between the spindle drive pulley (26) and the spindle sleeve (28);
the bottom of the main shaft sleeve (28) is connected with an upper end positioning conical disc (30);
the bottom of cutter arbor axle body (9) is connected with axle bush processing blade disc (31), axle bush processing blade disc (31) are in the inside of upper end location awl dish (30).
6. A bush machining transmission mechanism according to claim 5, wherein the upper end periphery of the spindle sleeve (28) is provided with a sleeve upper fixing seat plate (32), and the linear driving member (1) is connected with the edge of the sleeve upper fixing seat plate (32);
the spindle drive motor (27) is connected to the side of the sleeve upper fixed seat plate (32).
7. A bearing bush machining transmission mechanism according to claim 6, wherein a sleeve lower fixing seat plate (33) is arranged at the periphery of the lower end of the main shaft sleeve (28), a stand column body (34) is connected between the sleeve lower fixing seat plate (33) and the sleeve upper fixing seat plate (32), and the top end of the stand column body (34) extends above the sleeve upper fixing seat plate (32);
the top of stand body (34) is connected with stand fixed roof (35), feed lever fixing base (4) pass stand fixed roof (35) and connect fixed bedplate (32) on the sleeve.
8. A bearing bush machining transmission method, adopting the bearing bush machining transmission mechanism according to any one of claims 1 to 6, characterized in that a linear driving piece (1) drives a feed lever movable seat (2) to move up and down, and the feed lever movable seat (2) moves up and down to drive a transmission sleeve adapter seat (5) to move up and down;
the up-and-down movement of the transmission sleeve adapter seat (5) is converted into the self-rotation movement of the cutter bar shaft body (9) through the cutter bar shaft cam sleeve (8) and the transmission sleeve roller shaft (11);
the cutter bar shaft body (9) rotates to enable the carried bearing bush processing cutter head (31) to feed and retract the bearing bush oil line;
and controlling the rotation of the main shaft body (10) to drive the bearing bush processing cutter head (31) carried by the cutter bar shaft body (9) to rotate so as to realize bearing bush oil line processing.
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| CN202310304522.XA CN116214234B (en) | 2023-03-23 | 2023-03-23 | Bearing bush machining transmission mechanism and transmission method |
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| CN202310304522.XA CN116214234B (en) | 2023-03-23 | 2023-03-23 | Bearing bush machining transmission mechanism and transmission method |
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| CN116214234A (en) | 2023-06-06 |
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