CN113172264B - Vertical end face milling processing method for motor rotating shaft - Google Patents
Vertical end face milling processing method for motor rotating shaft Download PDFInfo
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- CN113172264B CN113172264B CN202110439862.4A CN202110439862A CN113172264B CN 113172264 B CN113172264 B CN 113172264B CN 202110439862 A CN202110439862 A CN 202110439862A CN 113172264 B CN113172264 B CN 113172264B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/02—Milling surfaces of revolution
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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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
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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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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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
- 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
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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 invention relates to a vertical end face milling processing method of a motor rotating shaft, which uses a motor shaft vertical end face milling processing device to process the end face of a motor shaft, and the motor shaft vertical end face milling processing device comprises: a motor shaft vertical end face milling clamp, a vertical multi-station automatic clamping mechanism, an automatic positioning feeding mechanism and a variable speed spraying mechanism; the vertical end face milling processing method of the motor rotating shaft comprises the following steps: s1, feeding; s2, automatic positioning and feeding; s3, automatic clamping; s4, automatically machining and milling the end face; s5, blanking a workpiece; s6, variable-speed cleaning. According to the invention, by using the clamp for vertical multi-station processing, horizontal single-station processing is changed into vertical multi-station processing, the dependence of a processing center on fourth shaft equipment is weakened, multi-station processing is realized, vertical processing of end faces is facilitated, loading and unloading clamping of workers or mechanical arms is facilitated, and the working efficiency of automatic production is improved.
Description
Technical Field
The invention belongs to the field of motor rotating shafts, and particularly relates to a vertical end face milling method for a motor rotating shaft.
Background
The motor shaft is one of typical representatives of shaft parts, and is mainly used for supporting transmission parts, transmitting torque and bearing load; the manufacturing of the motor shaft is not separated from a metal cutting machine tool, and the lathe adding clamp is an important component in the process of ensuring the machining precision of the motor shaft, reducing the labor intensity, reducing the labor cost and realizing automation. Along with the popularization of automation and intellectualization in the traditional hardware processing industry, the requirements on ensuring the stable processing quality of the processing precision, shortening the auxiliary time and improving the labor efficiency are higher and higher, so that the production cost is reduced, and the requirements on the intelligent and convenient machine tool clamp are higher and higher. In the technical background of increasingly automated manufacturing, machine tool fixtures for vertically machining end faces of motor shafts in machining centers have some problems:
1. in the existing motor shaft end face machining, a horizontal machining center with a fourth shaft is commonly used, and a single horizontal machining center without the fourth shaft is difficult to position and clamp. When the process requirement of vertical machining of the end face is met, the vertical fixture is simple and crude, and clamping is difficult. The existing fixture clamp has high dependence on fourth shaft auxiliary equipment, has higher dependence on labor intensity of workers, and is not beneficial to efficient automatic production.
2. The existing clamp for machining the end face of a motor shaft is a single-station clamp generally. When the motor shaft parts are produced in a large scale, a large amount of time is consumed in the process of replacing, positioning and clamping the machined motor shaft parts by a manual or mechanical arm and in the process of replacing a plurality of cutters during production and machining, so that the production efficiency is greatly reduced, and the time cost of production is improved.
3. The existing clamp for machining the end face of a motor shaft is more required to be manually clamped and replaced in the production and machining process, manual positioning is performed, and scraps on the surface of the clamp are required to be manually cleaned after machining is completed. The process not only requires high labor intensity, but also is unfavorable for automatic production.
Therefore, a professional vertical end milling method for the motor shaft needs to be developed to solve the above problems.
Disclosure of Invention
Based on the above, it is necessary to provide a vertical end face milling method for a motor shaft.
The invention discloses a vertical end face milling processing method of a motor rotating shaft, which uses a motor shaft vertical end face milling processing device to process the end face of a motor shaft, and the motor shaft vertical end face milling processing device comprises: the motor shaft vertical end face milling clamp is used for being fixed on a workbench of a vertical machining center; the vertical multi-station automatic clamping mechanism is fixedly connected in the vertical end face milling clamp of the motor shafts and is used for simultaneously and automatically clamping a plurality of motor shafts; the automatic positioning and feeding mechanism is arranged below the vertical multi-station automatic clamping mechanism and is used for feeding and discharging a motor shaft and automatically positioning the motor shaft; the variable speed spraying and brushing mechanism is arranged above the vertical end face milling clamp of the motor shaft and is used for automatically cleaning surface scraps of the vertical end face milling clamp of the motor shaft after the motor shaft is processed;
the vertical end face milling processing method of the motor rotating shaft comprises the following steps: s1, feeding: manually placing a plurality of motor shafts to be processed into the automatic positioning and feeding mechanism in sequence, and pre-clamping the plurality of motor shafts by utilizing the automatic positioning and feeding mechanism; s2, automatic positioning and feeding: feeding the placed motor shaft by utilizing the automatic positioning feeding mechanism to complete the positioning work of the height position of the motor shaft; s3, automatic clamping: clamping a motor shaft by using the vertical multi-station automatic clamping mechanism; s4, automatically machining and milling end faces, namely sequentially machining all motor shafts by utilizing a vertical machining center tool bit; s5, workpiece blanking: after all motor shafts are processed, the motor shafts are fed by the automatic positioning feeding mechanism, and after the motor shafts reach a feeding position, the motor shafts are manually taken down; s6, variable speed cleaning, namely after the motor shaft is machined, automatically cleaning the surface scraps of the motor shaft vertical end face milling clamp in all directions by utilizing the variable speed spraying mechanism.
In one embodiment, the motor shaft vertical end face milling fixture comprises a fixing frame base fixedly connected with a vertical machining center workbench and a fixture fixing frame arranged on the fixing frame base, the vertical multi-station automatic clamping mechanism is fixedly connected to the inside of the fixture fixing frame, and the variable speed spraying and brushing mechanism is arranged above the fixture fixing frame.
In one embodiment, the automatic positioning and feeding mechanism comprises: the fixed pushing rod is connected below the vertical multi-station automatic clamping mechanism; the clamping claw frame is fixedly connected to the fixed pushing rod, a pre-clamping claw is hinged to the clamping claw frame, and a first spring is hooked in the pre-clamping claw and used for driving the pre-clamping claw to be always in a clamping state; the positioning slide block is connected to the fixed pushing rod in a sliding manner and positioned below the clamping jaw frame, and the positioning slide block is positioned on the same side of the pre-clamping jaw and is fixedly connected with the positioning frame; the positioning pin is fixedly connected to the fixed pushing rod and positioned between the clamping jaw frame and the positioning sliding block, and is used for limiting the moving height of the positioning sliding block; the secondary sliding protection sliding block is connected to the fixed pushing rod in a sliding way and is fixedly connected to one side, far away from the locating frame, of the locating sliding block, a sliding plate is connected in a sliding way to the secondary sliding protection sliding block, and a second spring is arranged between the upper side and the lower side of the sliding plate and the inner wall of the secondary sliding protection sliding block; the hinge seat is fixedly connected to the clamp fixing frame, and a connecting rod mechanism is hinged between the hinge seat, the fixed pushing rod and the sliding plate.
In one embodiment, in the step S1, a plurality of motor shafts to be processed are manually placed into the positioning frame in sequence, the upper parts of the motor shafts are guided into the pre-clamping jaws, and the motor shafts are clamped by the pre-clamping jaws under the action of the first springs, so that the motor shafts are prevented from falling off during movement.
In one embodiment, in the step S2, the fixed pushing rod drives the link mechanism hinged to the fixed pushing rod to move during feeding, the link mechanism drives the secondary sliding protection sliding block and the positioning sliding block fixed on the secondary sliding protection sliding block to ascend, and then drives the positioning frame to ascend, the positioning sliding block slides upwards for a certain distance and then is blocked by the positioning pin to stop moving, and at the moment, the motor shaft stops ascending, so that the position positioning of the height of the motor shaft is completed.
In one embodiment, the vertical multi-station automatic clamping mechanism comprises: the hydraulic cylinder is fixedly connected to the clamp fixing frame, and the output end of the hydraulic cylinder is fixedly connected with a connecting rod; the positioning guide rail is fixedly connected to the clamp fixing frame, the positioning guide rail is connected with a ball positioning slide block in a sliding manner, the ball positioning slide block is fixedly connected with the connecting rod, and the ball positioning slide block is fixedly connected with a pushing rod; the V-shaped movable clamping block is fixedly connected to one end of the pushing rod, which is far away from the ball positioning sliding block; the V-shaped fixing clamp splice is fixedly connected to the clamp fixing frame and matched with the V-shaped movable clamp splice for use, a mounting groove is formed in the V-shaped side face of the V-shaped fixing clamp splice, a steel ball is mounted in the mounting groove, a third spring is arranged between the steel ball and the bottom face of the mounting groove, a plug with a through hole is fixedly mounted at the notch of the mounting groove, and the third spring is used for pushing the steel ball to extend out of the plug.
In one embodiment, in the step S3, the hydraulic cylinder continues to extend to push the connecting rod to move and drive the ball positioning slide block fixed on the connecting rod to move, so that the ball positioning slide block moves forward on the positioning guide rail, the ball positioning slide block moves to push the pushing rod fixed on the ball positioning slide block, the pushing rod drives the V-shaped movable clamping block to move forward, and further drives the fixed pushing rod to move forward, so that the secondary sliding protection slide block starts to work, under the action of the positioning pin, the sliding plate inside the secondary sliding protection slide block overcomes the second spring to slide, and a motor shaft moves forward in a following manner, so that the steel ball contacts the motor shaft to center the motor shaft in advance, and the motor shaft is clamped until the hydraulic cylinder is dead.
In one embodiment, in the step S5, after machining of all motor shafts is completed, the hydraulic cylinder drives the V-shaped movable clamping blocks to retreat, and then drives the fixed pushing rod to retreat, so that the connecting rod mechanism connected to the hydraulic cylinder opens and drives the secondary sliding protection sliding block, the secondary sliding protection sliding block descends to drive the positioning sliding block fixed to the secondary sliding protection sliding block, and then drives the positioning frame to descend, so that the motor shafts reach a discharging position, and then the motor shafts are manually taken down.
In one embodiment, the variable speed spray mechanism includes: the push rod fixing seat is fixedly connected to the outer side face of the clamp fixing frame, and a first clamping groove and a second clamping groove communicated with the first clamping groove are formed in the push rod fixing seat; one end of the speed-changing push rod is connected in the first clamping groove or the second clamping groove in a sliding way, the other end of the speed-changing push rod is fixedly connected with a positioning shifting block, and a chute is formed in the positioning shifting block; the support rod is fixedly connected to the ball positioning slide block, one side of the support rod is fixedly connected with a rack fixing frame, and the rack fixing frame is fixedly connected with a first rack; the gear mechanism is arranged on the clamp fixing frame, the middle part of the gear mechanism is meshed with the first rack, the gear mechanism can be driven to operate by moving the first rack, and a first gear set is arranged on the gear mechanism; the transmission rod is arranged on the clamp fixing frame, a speed changing frame is sleeved on the transmission rod, a second gear set which is matched with the first gear set to realize different rotating speeds of the transmission rod is arranged at one end of the speed changing frame, which is far away from the second gear set, of the transmission rod, a speed changing block is rotationally connected to one end of the speed changing frame, a speed changing locating pin which is in sliding connection with the inside of the chute is fixedly connected to one end of the speed changing block, and the speed changing push rod can drive the locating shifting block to feed through adjusting the speed changing push rod from the first clamping groove to the second clamping groove, so that the speed changing locating pin is driven to move in the chute, and the speed changing block is pushed to move; the gear pair is arranged at one end of the transmission rod, a second rack is meshed with the gear pair, and the front end of the second rack is fixedly connected with a fixed groove block; the spraying brush frame is buckled in the fixed groove block, and a spray head is fixedly connected to the spraying brush frame.
In one embodiment, in the step S6, when the hydraulic cylinder starts to work, the supporting rod fixed on the ball positioning slide block is driven to move, so as to drive the rack fixing frame to move, the rack fixing frame drives the first rack fixed on the rack fixing frame to move, and the first rack drives the gear mechanism to operate; when a workpiece is processed, the variable speed push rod is positioned at the first clamping groove of the push rod fixing seat, the spraying and brushing frame feeds along with the V-shaped movable clamping block at the same speed, and the workpiece is sprayed and brushed and scraps are cleaned; after the workpiece is processed, the speed change push rod is positioned at the position of the second clamping groove of the push rod fixing seat, the positioning shifting block is driven to feed, so that the speed change positioning pin moves in the chute, the speed change block is further pushed to move, the speed change block pushes the speed change frame, further different meshing states of the first gear set and the second gear set are realized, different rotating speeds of the transmission rod are realized according to different meshing states of the first gear set and the second gear set, the different rotating speeds of the transmission rod drive different rotating speeds of the gear pair, the spray brush frame clamped in the fixing groove block is driven through the transmission of the second rack, the spray brush frame drives the spray head fixed on the spray brush frame to move fast, and the forward moving speed of the spray brush frame is larger than the moving speed of the V-shaped movable clamping block, so that the fixed frame base and the V-shaped movable clamping block mounted on the spray brush frame base are cleaned in all directions, and self-cleaning is realized.
The invention has the beneficial effects that:
1. through using the anchor clamps of vertical multistation processing, change horizontal simplex position processing into vertical multistation processing, weaken machining center to the dependence of fourth axle equipment, realize multistation processing, be convenient for through vertical processing terminal surface, and the last unloading clamping of workman or arm of being convenient for improves automated production's work efficiency.
2. Through using vertical multistation self-holding mechanism, be convenient for carry out self-holding simultaneously a plurality of work pieces, be favorable to the replacement of work piece, the clamping design of multistation, same milling cutter can carry out multiplex spare processing, effectively improves machining efficiency.
3. Through using automatic positioning feeding mechanism, more convenient last unloading, to the work piece automatic positioning of processing, save clamping time, improve positioning accuracy simultaneously, guarantee machining accuracy, stable processingquality has alleviateed workman's intensity of labour, has alleviateed workman's operating pressure.
4. Through using variable speed to spout brush mechanism, effectively get rid of the cutting sweeps on work piece surface during processing, improve the processing precision, and can clear up anchor clamps surface sweeps automatically after processing, save the time of manual cleaning to can reduce process time, improve production efficiency, alleviate labourer's intensity of labour simultaneously, liberate productivity.
Drawings
FIG. 1 is a three-dimensional view of a motor shaft vertical end milling device provided by the invention;
FIG. 2 is a three-dimensional view of an internal mechanism of a motor shaft vertical end milling device provided by the invention;
FIG. 3 is a three-dimensional view of a variable speed spray brush mechanism of a motor shaft vertical milling end face machining device provided by the invention;
FIG. 4 is a top view of the gear assembly of FIG. 3 according to the present invention;
FIG. 5 is a three-dimensional view of a vertical multi-station automatic clamping mechanism of a motor shaft vertical milling end face machining device provided by the invention;
FIG. 6 is a three-dimensional view of an automatic positioning and feeding mechanism of a motor shaft vertical milling end face machining device provided by the invention;
FIG. 7 is a three-dimensional view of a V-clamp block of the present invention;
FIG. 8 is a top view of a V-clamp block of the present invention;
FIG. 9 is a cross-sectional view taken along the direction B-B in FIG. 9 of the present invention;
FIG. 10 is a top view of a motor shaft vertical end milling device provided by the invention;
FIG. 11 is a cross-sectional view taken along the direction A-A in FIG. 10 with the work piece of the present invention in place;
FIG. 12 is a cross-sectional view taken along the direction A-A in FIG. 10, with the work piece of the present invention positioned;
FIG. 13 is a cross-sectional view taken along the direction A-A in FIG. 10 after clamping by a workpart operator in accordance with the present invention;
FIG. 14 is an enlarged view of the invention at I in FIG. 11;
FIG. 15 is a top view of a fixture mount of a motor shaft vertical end milling device provided by the invention;
fig. 16 is a cross-sectional view taken along the direction C-C of fig. 15 in accordance with the present invention.
In the drawing, a motor shaft vertical milling end face clamp 1, a clamp fixing frame 11, a fixing frame base 12, a motor shaft 13, a vertical multi-station automatic clamping mechanism 2, a hydraulic cylinder 21, a connecting rod 22, a V-shaped movable clamping block 23, a pushing rod 24, a ball positioning sliding block 25, a positioning guide rail 26, a V-shaped fixed clamping block 27, a third spring 28, a plug 29, a steel ball 210, an automatic positioning feeding mechanism 3, a fixed pushing rod 31, a pre-clamping jaw 32, a first spring 33, a clamping jaw frame 34, a positioning pin 35, a positioning frame 36, a positioning sliding block 37, a connecting rod mechanism 38, a hinging seat 39, a secondary sliding protection sliding block 310, a second spring 311, a sliding plate 312, a speed changing spraying mechanism 4, a spraying brush frame 41, a spray head 42, a fixed groove block 43, a second rack 44, a gear pair 45, a rack fixing frame 46, a first rack 47, a gear mechanism 48, a speed changing positioning pin 49, a positioning shifting block 410, a speed changing push rod 411, a push rod fixing seat 412, a chute 413, a speed changing block 414, a speed changing frame 415, a speed changing frame 416, a transmission rod 417, a first clamping groove 418, a second clamping groove 419, a second gear set 420 and a second gear set 421.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
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 "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 2, the vertical end face milling method for a motor shaft uses a vertical end face milling device for a motor shaft to perform end face milling on a motor shaft 13, and the vertical end face milling device for the motor shaft includes: the motor shaft vertical end milling clamp 1 is used for being fixed on a workbench of a vertical machining center; the vertical multi-station automatic clamping mechanism 2 is fixedly connected in the motor shaft vertical end face milling clamp 1, and the vertical multi-station automatic clamping mechanism 2 is used for simultaneously and automatically clamping a plurality of motor shafts 13; the automatic positioning and feeding mechanism 3 is arranged below the vertical multi-station automatic clamping mechanism 2, and the automatic positioning and feeding mechanism 3 is used for feeding and discharging a motor shaft 13 and automatically positioning the motor shaft; the variable speed spraying and brushing mechanism 4 is arranged above the vertical end face milling clamp 1 of the motor shaft, and the variable speed spraying and brushing mechanism 4 is used for automatically cleaning surface scraps of the vertical end face milling clamp 1 of the motor shaft after the motor shaft 13 is processed; the vertical end face milling processing method of the motor rotating shaft comprises the following steps: s1, feeding: manually placing a plurality of motor shafts 13 to be processed into the automatic positioning and feeding mechanism 3 in sequence, and pre-clamping the plurality of motor shafts 13 by utilizing the automatic positioning and feeding mechanism 3; s2, automatic positioning and feeding: feeding the placed motor shaft 13 by utilizing the automatic positioning feeding mechanism 3 to complete the positioning work of the height position of the motor shaft 13; s3, automatic clamping: clamping a motor shaft 13 by using the vertical multi-station automatic clamping mechanism 2; s4, automatically machining and milling end faces, namely sequentially machining all motor shafts 13 by utilizing a vertical machining center tool bit; s5, workpiece blanking: after all the motor shafts 13 are processed, the motor shafts 13 are fed by the automatic positioning feeding mechanism 3, and after the motor shafts 13 reach the feeding position, the motor shafts 13 are manually taken down; s6, variable speed cleaning, namely after the machining of the motor shaft 13 is finished, carrying out omnibearing automatic cleaning on surface scraps of the motor shaft vertical milling end face clamp 1 by utilizing the variable speed spraying mechanism 4.
Preferably, as shown in fig. 1, 2, 15 and 16, the motor shaft vertical end milling fixture 1 includes a fixture base 12 fixedly connected to a vertical machining center workbench, and a fixture mount 11 mounted on the fixture base 12, the vertical multi-station automatic clamping mechanism 2 is fixedly connected to the inside of the fixture mount 11, and the variable speed spraying mechanism 4 is mounted above the fixture mount 11.
Preferably, as shown in fig. 1, 2, 6, 10, 11, 12, 13 and 14, the automatic positioning and feeding mechanism 3 includes: a fixed pushing rod 31 connected below the vertical multi-station automatic clamping mechanism 2; the clamping claw frame 34 is fixedly connected to the fixed pushing rod 31, the clamping claw frame 34 is hinged with the pre-clamping claw 32, and a first spring 33 is hooked in the pre-clamping claw 32 and used for driving the pre-clamping claw 32 to be always in a clamping state; the positioning slide block 37 is connected to the fixed pushing rod 31 in a sliding manner and is positioned below the clamping jaw frame 34, and the positioning slide block 37 is fixedly connected with a positioning frame 36 on the same side of the pre-clamping jaw 32; a positioning pin 35 fixedly connected to the fixed pushing rod 31 and located between the clamping jaw frame 34 and the positioning slide block 37, wherein the positioning pin 35 is used for limiting the moving height of the positioning slide block 37; the secondary sliding protection sliding block 310 is slidably connected to the fixed pushing rod 31 and fixedly connected to one side of the positioning sliding block 37 away from the positioning frame 36, a sliding plate 312 is slidably connected in the secondary sliding protection sliding block 310, and a second spring 311 is installed between the upper and lower sides of the sliding plate 312 and the inner wall of the secondary sliding protection sliding block 310; the hinge seat 39 is fixedly connected to the fixture fixing frame 11, and a link mechanism 38 is hinged between the hinge seat 39, the fixed pushing rod 31 and the sliding plate 312.
Preferably, as shown in fig. 1, 2 and 6, in S1, a plurality of motor shafts 13 to be processed are manually placed in the positioning frame 36 in sequence, and the upper part of the motor shaft 13 is guided into the pre-clamping jaw 32, and the motor shaft 13 is clamped by the pre-clamping jaw 32 under the action of the first spring 33, so as to prevent the motor shaft 13 from falling off during movement.
Preferably, as shown in fig. 1, 2 and 6, in S2, the fixed pushing rod 31 drives the link mechanism 38 hinged to the fixed pushing rod 31 to move when being fed, the link mechanism 38 drives the secondary sliding protection slider 310 and the positioning slider 37 fixed on the secondary sliding protection slider to rise, and further drives the positioning frame 36 to rise, and the positioning slider 37 is blocked by the positioning pin 35 to stop moving after sliding upwards for a certain distance, at this time, the motor shaft 13 stops rising, and the position positioning of the height of the motor shaft 13 is completed.
Preferably, as shown in fig. 1, 2, 5, 7, 8 and 9, the vertical multi-station automatic clamping mechanism 2 includes: the hydraulic cylinder 21 is fixedly connected to the clamp fixing frame 11, and the output end of the hydraulic cylinder 21 is fixedly connected with the connecting rod 22; the positioning guide rail 26 is fixedly connected to the fixture fixing frame 11, the positioning guide rail 26 is slidably connected with a ball positioning slide block 25, the ball positioning slide block 25 is fixedly connected with the connecting rod 22, and the ball positioning slide block 25 is fixedly connected with a pushing rod 24; the V-shaped movable clamping block 23 is fixedly connected to one end of the pushing rod 24 away from the ball positioning sliding block 25; the V-shaped fixed clamping block 27 is fixedly connected to the clamp fixing frame 11 and matched with the V-shaped movable clamping block 23, a mounting groove is formed in the V-shaped side face of the V-shaped fixed clamping block 27, a steel ball 210 is mounted in the mounting groove, a third spring 28 is arranged between the steel ball 210 and the bottom face of the mounting groove, a plug 29 with a through hole is fixedly mounted at the notch of the mounting groove, and the third spring 28 is used for pushing the steel ball 210 to extend out of the plug 29.
It should be noted that, in the step S2, after the motor shaft 13 is clamped by the pre-clamping jaw 32, the hydraulic cylinder 21 extends to drive the V-shaped movable clamping block 23 to advance and drive the fixed pushing rod 31 to advance, so as to drive the linkage mechanism 38 hinged on the fixed pushing rod 31 to move.
It should be noted that each connecting rod 22 is fixedly connected with two adjacent ball positioning sliding blocks 25, so that one hydraulic cylinder 21 drives two V-shaped movable clamping blocks 23 to move.
Preferably, as shown in fig. 1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14, in S3, the hydraulic cylinder 21 continues to extend, pushes the engagement rod 22 to move and drives the ball positioning slide 25 fixed on the engagement rod 22 to move, so that the ball positioning slide 25 moves forward on the positioning rail 26, the ball positioning slide 25 pushes the push rod 24 fixed on the ball positioning slide 25, the push rod 24 drives the V-shaped movable clamp block 23 to advance, and further drives the fixed push rod 31 to continue to advance, so that the secondary sliding protection slide 310 starts to work, and under the action of the positioning pin 35, the sliding plate 312 inside the secondary sliding protection slide 310 slides against the second spring 311, and the steel ball 210 moves forward to touch the motor shaft 13, so that the motor shaft 13 is centered, until the motor shaft 13 is clamped when the hydraulic cylinder 21 is dead.
Preferably, as shown in fig. 1, 2, 5, 6 and 7, in step S5, after all the motor shafts 13 are processed, the hydraulic cylinder 21 drives the V-shaped movable clamping block 23 to retreat, and drives the fixed pushing rod 31 to retreat, so that the link mechanism 38 connected to the hydraulic cylinder opens and drives the secondary sliding protection slider 310, and the secondary sliding protection slider 310 descends to drive the positioning slider 37 fixed to the secondary sliding protection slider, and further drives the positioning frame 36 to descend, so that the motor shaft 13 reaches the blanking position, and then the motor shaft 13 is manually removed.
Preferably, as shown in fig. 1, 2, 3, 4 and 5, the variable speed brush mechanism 4 includes: the push rod fixing seat 412 is fixedly connected to the outer side surface of the clamp fixing frame 11, and a first clamping groove 418 and a second clamping groove 419 communicated with the first clamping groove 418 are formed in the push rod fixing seat 412; one end of the speed change push rod 411 is slidably connected to the first clamping groove 418 or the inner part, the other end of the speed change push rod is fixedly connected with a positioning shifting block 410, and a chute 413 is formed on the positioning shifting block 410; the support rod 415 is fixedly connected to the ball positioning slide block 25, one side of the support rod 415 is fixedly connected with the rack fixing frame 46, and the rack fixing frame 46 is fixedly connected with the first rack 47; the gear mechanism 48 is mounted on the fixture fixing frame 11, the middle part of the gear mechanism is meshed with the first rack 47, the gear mechanism 48 can be driven to operate by moving the first rack 47, and a first gear set 420 is mounted on the gear mechanism 48; the transmission rod 417 is mounted on the fixture fixing frame 11, a speed changing frame 416 is sleeved on the transmission rod 417, a second gear set 421 which is matched with the first gear set 420 to realize different rotation speeds of the transmission rod 417 is mounted at one end of the speed changing frame 416, a speed changing block 414 is rotatably connected to one end of the transmission rod 417, which is far away from the second gear set 421, of the speed changing frame 416, a speed changing positioning pin 49 is fixedly connected to one end of the speed changing block 414 and is in sliding connection with the chute 413, and the speed changing push rod 411 can drive the positioning shifting block 410 to feed by adjusting the speed changing push rod 411 from the first clamping groove 418 to the second clamping groove 419 so as to drive the speed changing positioning pin 49 to move in the chute 413, thereby pushing the speed changing block 414 to move; a gear pair 45 mounted at one end of the transmission rod 417, a second rack 44 is meshed with the gear pair 45, and a fixed slot block 43 is fixedly connected with the front end of the second rack 44; the brush holder 41 is fastened in the fixed groove block 43, and the nozzle 42 is fixedly connected to the brush holder 41.
Preferably, as shown in fig. 1, 2, 3, 4, 5 and 6, in S6, when the hydraulic cylinder 21 starts to operate, the support rod 415 fixed on the ball positioning slide 25 is driven to move, and then the rack fixing frame 46 is driven to move, the rack fixing frame 46 drives the first rack 47 fixed on the rack fixing frame to move, and the first rack 47 drives the gear mechanism 48 to operate; when a workpiece is processed, the variable speed push rod 411 is positioned at the first clamping groove 418 of the push rod fixing seat 412, the spraying frame 41 is fed along with the V-shaped movable clamping block 23 at the same speed, and the workpiece is sprayed and scraps are cleaned; after the workpiece is processed, the gear shifting push rod 411 is located at the position of the second clamping groove 419 of the push rod fixing seat 412, and drives the positioning shifting block 410 to feed, so that the gear shifting positioning pin 49 moves in the chute 413, and further pushes the gear shifting block 414 to move, the gear shifting block 414 pushes the gear shifting frame 416, so that different meshing states of the first gear set 420 and the second gear set 421 are realized, different rotating speeds of the transmission rod 417 are realized according to different meshing states of the first gear set 420 and the second gear set 421, the different rotating speeds of the transmission rod 417 drive different rotating speeds of the gear pair 45, and the spray head 42 fixed on the gear shifting positioning pin is driven to move rapidly through the transmission of the second gear rack 44, and as the forward moving speed of the spray head 42 is greater than the moving speed of the V-shaped movable clamping block 23, the fixed frame base 12 and the V-shaped movable clamping block 23 mounted on the fixed frame base 12 are cleaned in all directions.
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 modifications and improvements can be made by those skilled in the art without departing from the spirit of the invention, which falls within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. The vertical end face milling processing method for the motor rotating shaft is characterized in that the vertical end face milling processing method for the motor rotating shaft is used for end face processing of a motor shaft by using a vertical end face milling processing device for the motor shaft, and the vertical end face milling processing device for the motor shaft comprises the following steps:
the motor shaft vertical end face milling clamp is used for being fixed on a workbench of a vertical machining center;
the vertical multi-station automatic clamping mechanism is fixedly connected in the vertical end face milling clamp of the motor shafts and is used for simultaneously and automatically clamping a plurality of motor shafts;
the automatic positioning and feeding mechanism is arranged below the vertical multi-station automatic clamping mechanism and is used for feeding and discharging a motor shaft and automatically positioning the motor shaft;
the variable speed spraying and brushing mechanism is arranged above the vertical end face milling clamp of the motor shaft and is used for automatically cleaning surface scraps of the vertical end face milling clamp of the motor shaft after the motor shaft is processed;
the vertical end face milling processing method of the motor rotating shaft comprises the following steps:
s1, feeding: manually placing a plurality of motor shafts to be processed into the automatic positioning and feeding mechanism in sequence, and pre-clamping the plurality of motor shafts by utilizing the automatic positioning and feeding mechanism;
s2, automatic positioning and feeding: feeding the placed motor shaft by utilizing the automatic positioning feeding mechanism to complete the positioning work of the height position of the motor shaft;
s3, automatic clamping: clamping a motor shaft by using the vertical multi-station automatic clamping mechanism;
s4, automatically machining and milling end faces, namely sequentially machining all motor shafts by utilizing a vertical machining center tool bit;
s5, workpiece blanking: after all motor shafts are processed, the motor shafts are fed by the automatic positioning feeding mechanism, and after the motor shafts reach the feeding position, the motor shafts are manually taken down;
s6, variable speed cleaning, namely after the motor shaft is machined, automatically cleaning the surface scraps of the motor shaft vertical end face milling clamp in all directions by utilizing the variable speed spraying mechanism.
2. The method for vertically milling end faces of motor shafts according to claim 1, wherein the motor shaft vertical end face milling clamp comprises a fixing frame base fixedly connected with a vertical machining center workbench and a clamp fixing frame arranged on the fixing frame base, the vertical multi-station automatic clamping mechanism is fixedly connected to the inside of the clamp fixing frame, and the variable-speed spraying mechanism is arranged above the clamp fixing frame.
3. The method for vertically milling an end face of a motor shaft according to claim 2, wherein the automatic positioning and feeding mechanism comprises:
the fixed pushing rod is connected below the vertical multi-station automatic clamping mechanism;
the clamping claw frame is fixedly connected to the fixed pushing rod, a pre-clamping claw is hinged to the clamping claw frame, and a first spring is hooked in the pre-clamping claw and used for driving the pre-clamping claw to be always in a clamping state;
the positioning slide block is connected to the fixed pushing rod in a sliding manner and positioned below the clamping jaw frame, and the positioning slide block is positioned on the same side of the pre-clamping jaw and is fixedly connected with the positioning frame;
the positioning pin is fixedly connected to the fixed pushing rod and positioned between the clamping jaw frame and the positioning sliding block, and is used for limiting the moving height of the positioning sliding block;
the secondary sliding protection sliding block is connected to the fixed pushing rod in a sliding way and is fixedly connected to one side, far away from the locating frame, of the locating sliding block, a sliding plate is connected in a sliding way to the secondary sliding protection sliding block, and a second spring is arranged between the upper side and the lower side of the sliding plate and the inner wall of the secondary sliding protection sliding block;
the hinge seat is fixedly connected to the clamp fixing frame, and a connecting rod mechanism is hinged between the hinge seat, the fixed pushing rod and the sliding plate.
4. The method for vertically milling end faces of motor shafts according to claim 3, wherein in S1, a plurality of motor shafts to be processed are manually placed in the positioning frame in sequence, the upper parts of the motor shafts are guided into the pre-clamping jaws, and the motor shafts are clamped by the pre-clamping jaws under the action of the first springs, so that the motor shafts are prevented from falling off during movement.
5. The method for machining a vertical end face of a motor shaft according to claim 3, wherein in the step S2, the fixed pushing rod drives the link mechanism hinged to the fixed pushing rod to move during feeding, the link mechanism drives the secondary sliding protection sliding block and the positioning sliding block fixed on the secondary sliding protection sliding block to ascend, the positioning frame is driven to ascend, the positioning sliding block slides upwards for a certain distance and then is blocked by the positioning pin to stop moving, and at the moment, the motor shaft stops ascending, so that the position positioning of the height of the motor shaft is completed.
6. The method for vertically milling an end face of a motor shaft according to claim 3, wherein the vertical multi-station automatic clamping mechanism comprises:
the hydraulic cylinder is fixedly connected to the clamp fixing frame, and the output end of the hydraulic cylinder is fixedly connected with a connecting rod;
the positioning guide rail is fixedly connected to the clamp fixing frame, the positioning guide rail is connected with a ball positioning slide block in a sliding manner, the ball positioning slide block is fixedly connected with the connecting rod, and the ball positioning slide block is fixedly connected with a pushing rod;
the V-shaped movable clamping block is fixedly connected to one end of the pushing rod, which is far away from the ball positioning sliding block;
the V-shaped fixing clamp splice is fixedly connected to the clamp fixing frame and matched with the V-shaped movable clamp splice for use, a mounting groove is formed in the V-shaped side face of the V-shaped fixing clamp splice, a steel ball is mounted in the mounting groove, a third spring is arranged between the steel ball and the bottom face of the mounting groove, a plug with a through hole is fixedly mounted at the notch of the mounting groove, and the third spring is used for pushing the steel ball to extend out of the plug.
7. The method for machining a vertical end face milling machine of a rotating shaft of a motor according to claim 6, wherein in the step S3, the hydraulic cylinder continues to extend to push the connecting rod to move and drive the ball positioning slide block fixed on the connecting rod to move, so that the ball positioning slide block moves forwards on the positioning guide rail, the ball positioning slide block moves to push the push rod fixed on the ball positioning slide block, the push rod drives the V-shaped movable clamping block to move forwards and further drives the fixed push rod to continue to move forwards, so that the secondary sliding protection slide block starts to work, the sliding plate inside the secondary sliding protection slide block slides against the second spring under the action of the positioning pin, a motor shaft moves forwards in a following way, so that the steel ball contacts the motor shaft to center the motor shaft in advance, and the motor shaft is clamped until the hydraulic cylinder is dead.
8. The method for machining a vertical end face of a motor shaft according to claim 6, wherein in the step S5, after machining of all motor shafts is completed, the hydraulic cylinder drives the V-shaped movable clamping block to retreat, and further drives the fixed pushing rod to retreat, so that the connecting rod mechanism connected to the hydraulic cylinder opens and drives the secondary sliding protection sliding block, the secondary sliding protection sliding block descends to drive the positioning sliding block fixed to the secondary sliding protection sliding block, and further drives the positioning frame to descend, so that the motor shafts reach a blanking position, and then the motor shafts are manually removed.
9. The method for vertically milling an end face of a motor shaft according to claim 6, wherein the variable speed brush mechanism comprises:
the push rod fixing seat is fixedly connected to the outer side face of the clamp fixing frame, and a first clamping groove and a second clamping groove communicated with the first clamping groove are formed in the push rod fixing seat;
one end of the speed-changing push rod is connected in the first clamping groove or the second clamping groove in a sliding way, the other end of the speed-changing push rod is fixedly connected with a positioning shifting block, and a chute is formed in the positioning shifting block;
the support rod is fixedly connected to the ball positioning slide block, one side of the support rod is fixedly connected with a rack fixing frame, and the rack fixing frame is fixedly connected with a first rack;
the gear mechanism is arranged on the clamp fixing frame, the middle part of the gear mechanism is meshed with the first rack, the gear mechanism can be driven to operate by moving the first rack, and a first gear set is arranged on the gear mechanism;
the transmission rod is arranged on the clamp fixing frame, a speed changing frame is sleeved on the transmission rod, a second gear set which is matched with the first gear set to realize different rotating speeds of the transmission rod is arranged at one end of the speed changing frame, which is far away from the second gear set, of the transmission rod, a speed changing block is rotationally connected to one end of the speed changing frame, a speed changing locating pin which is fixedly connected to the speed changing block in the chute is fixedly connected to one end of the speed changing block, and the speed changing push rod can drive the locating shifting block to feed through adjusting the speed changing push rod from the first clamping groove to the second clamping groove, so that the speed changing locating pin is driven to move in the chute, and the speed changing block is pushed to move;
the gear pair is arranged at one end of the transmission rod, a second rack is meshed with the gear pair, and the front end of the second rack is fixedly connected with a fixed groove block;
the spraying brush frame is buckled in the fixed groove block, and a spray head is fixedly connected to the spraying brush frame.
10. The method for vertical milling of a motor shaft according to claim 9, wherein in S6, when the hydraulic cylinder starts to operate, the support rod fixed on the ball positioning slide block is driven to move, and further the rack fixing frame is driven to move, the rack fixing frame drives the first rack fixed on the rack fixing frame to move, and the first rack drives the gear mechanism to operate; when a workpiece is processed, the variable speed push rod is positioned at the first clamping groove of the push rod fixing seat, the spraying and brushing frame feeds along with the V-shaped movable clamping block at the same speed, and the workpiece is sprayed and brushed and scraps are cleaned; after the workpiece is machined, the speed change push rod is positioned at the position of the second clamping groove of the push rod fixing seat and drives the positioning shifting block to feed, so that the speed change positioning pin moves in the chute and further pushes the speed change block to move, the speed change block pushes the speed change frame, further different meshing states of the first gear set and the second gear set are realized, different rotating speeds of the transmission rod are realized according to different meshing states of the first gear set and the second gear set, different rotating speeds of the transmission rod drive different rotating speeds of the gear pair, the spray brush frame clamped in the fixing groove block is driven by the transmission of the second rack, the spray brush frame drives the spray head fixed on the spray brush frame to move fast, and the forward moving speed of the spray brush frame is larger than the moving speed of the V-shaped movable clamping block, so that the fixed frame base and the V-shaped movable clamping block mounted on the spray brush frame are cleaned in an all-around manner, and self-cleaning is realized.
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| CN202110439862.4A CN113172264B (en) | 2021-04-23 | 2021-04-23 | Vertical end face milling processing method for motor rotating shaft |
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| CN202110439862.4A CN113172264B (en) | 2021-04-23 | 2021-04-23 | Vertical end face milling processing method for motor rotating shaft |
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| CN113172264B true CN113172264B (en) | 2023-08-22 |
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| CN105538007A (en) * | 2016-02-19 | 2016-05-04 | 湖北汽车工业学院 | Flexible fixture for batch machining of shaft workpieces |
| CN206353847U (en) * | 2017-01-16 | 2017-07-25 | 深圳市群鑫自动化设备有限公司 | The milling machine processing unit (plant) of earphone is given birth in two-way automatic milling |
| CN109663961A (en) * | 2018-12-27 | 2019-04-23 | 浙江工业大学 | A kind of multiple degrees of freedom milling attachment of compressor blade |
| CN211539631U (en) * | 2020-01-02 | 2020-09-22 | 天津斯普瑞喷涂有限公司 | High-efficient vertical milling machine |
| CN212121817U (en) * | 2020-02-28 | 2020-12-11 | 南京灵雀智能制造有限公司 | Oval work piece mills a device |
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2021
- 2021-04-23 CN CN202110439862.4A patent/CN113172264B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538007A (en) * | 2016-02-19 | 2016-05-04 | 湖北汽车工业学院 | Flexible fixture for batch machining of shaft workpieces |
| CN206353847U (en) * | 2017-01-16 | 2017-07-25 | 深圳市群鑫自动化设备有限公司 | The milling machine processing unit (plant) of earphone is given birth in two-way automatic milling |
| CN109663961A (en) * | 2018-12-27 | 2019-04-23 | 浙江工业大学 | A kind of multiple degrees of freedom milling attachment of compressor blade |
| CN211539631U (en) * | 2020-01-02 | 2020-09-22 | 天津斯普瑞喷涂有限公司 | High-efficient vertical milling machine |
| CN212121817U (en) * | 2020-02-28 | 2020-12-11 | 南京灵雀智能制造有限公司 | Oval work piece mills a device |
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| CN113172264A (en) | 2021-07-27 |
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Effective date of registration: 20230727 Address after: 154000 380 Guangfu East Road, Qianjin District, Jiamusi City, Heilongjiang Province Applicant after: JIAMUSI ELECTRIC MACHINE Co.,Ltd. Address before: 315000 Zone C, venture capital Park, No. 1, Yinhai Road, Jiangbei District, Ningbo City, Zhejiang Province Applicant before: Yang Yuting |
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