CN212070538U

CN212070538U - Crankshaft milling double-end-face machining device

Info

Publication number: CN212070538U
Application number: CN202020681329.XU
Authority: CN
Inventors: 刘付丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-04
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to a bent axle mills bi-polar face processingequipment, including the frame, still include left end face drilling mechanism, bent axle fixture and right end face drilling mechanism, left end face drilling mechanism, bent axle fixture and right end face drilling mechanism fix in proper order from left to right in the upper portion of frame, the work end of left end face drilling mechanism, bent axle fixture and right end face drilling mechanism all is in on same horizontal plane, the lower part of frame is provided with the sweeps collection box with bent axle fixture corresponding position department; the crankshaft clamping mechanism comprises a module base plate, a front lifting module, a rear lifting module, a lifting plate, a height increasing block and a crankshaft positioning device, wherein the module base plate is fixed on the rack, and fixed ends of the front lifting module and the rear lifting module are respectively fixedly connected with the front side and the rear side of the upper surface of the module base plate; the utility model discloses the practicality is high, has improved bent axle processingquality, has improved work efficiency, has good market using value.

Description

Crankshaft milling double-end-face machining device

Technical Field

The utility model relates to a bent axle terminal surface drilling mechanism technical field especially relates to a bent axle mills bi-polar face processingequipment.

Background

The crankshaft is the most important part in the engine, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, and bears bending and twisting loads under the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force, so that the requirement on the processing precision of the crankshaft is high, and uniform stress and good balance are required to be ensured.

In order to reduce the mass of the crankshaft and the centrifugal forces occurring during its movement, the crankshaft journals are often made hollow. Oil holes are opened on each journal surface to introduce or withdraw oil for lubricating the journal surface. The existing crankshaft diameter machining equipment is in a lathe machining mode, mostly adopts clamping with a clamp as a center to perform calibration and positioning, a milling mechanism is adopted on a side to machine end faces, often, a workpiece can jump along with the rotation of a working end of the milling mechanism when being milled, the crankshaft is damaged, only one end face is machined during machining, and time and labor are wasted due to the fact that secondary clamping machining is needed.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that prior art exists, the utility model provides a bent axle mills bi-polar face processingequipment.

The utility model provides a technical scheme, including the frame, still include left end face drilling mechanism, bent axle fixture and right end face drilling mechanism, left end face drilling mechanism, bent axle fixture and right end face drilling mechanism are fixed in proper order in the upper portion of frame from a left side to the right side, the work end of left end face drilling mechanism, bent axle fixture and right end face drilling mechanism all is in same horizontal plane, the lower part of frame and the corresponding position department of bent axle fixture are provided with the sweeps collection box; bent axle fixture includes module backing plate, preceding lift module, back lift module, lifter plate, increases piece and bent axle positioner, the module backing plate is fixed in the frame, preceding lift module and back lift module's stiff end respectively with both sides fixed connection around the upper surface of module backing plate, both sides are held fixed connection with the removal of preceding lift module and back lift module respectively around the lower surface of lifter plate, it fixes to increase the piece the upper surface of lifter plate, bent axle positioner fixes the upper surface that increases the piece.

Preferably, crankshaft positioning device includes that X axle removes module one, fastening clamp splice and bent axle anchor clamps, X axle removes module one and fixes on increasing the piece, the lower surface middle part of fastening clamp splice and the removal end fixed connection that X axle removed module one, the upper surface right side that X axle removed module one is fixed with the dog, bent axle anchor clamps are placed between fastening clamp splice and dog.

Preferably, the crankshaft fixture comprises a crankshaft placing seat, an arc fastening frame and an adjusting bolt, a V-shaped groove is formed in the middle of the upper surface of the crankshaft placing seat, the arc fastening frame is fixed on the crankshaft placing seat, the adjusting bolt is arranged on the arc fastening frame, and the adjusting bolt is located right above the V-shaped groove.

Preferably, the left end face drilling mechanism comprises a drilling bottom plate, an X-axis moving module II, a sliding plate, a Y-axis moving module, a module fixing seat, an X-axis moving module III and a motor drilling device, the drilling bottom plate is fixed on the rack, the X-axis moving module II is fixed on the drilling bottom plate, the middle part of the lower surface of the sliding plate is fixedly connected with the moving end of the X-axis moving module II, the Y-axis moving module is fixed on the sliding plate, the lower surface of the module fixing seat is fixedly connected with the moving end of the Y-axis moving module, the X-axis moving module III is fixed in the module fixing seat, and the middle part of the lower surface of the motor drilling device is fixedly connected with the moving end of the X-axis; the right end face drilling mechanism and the left end face drilling mechanism are bilaterally symmetrical.

Preferably, the motor drilling device comprises a rotary bearing seat, a motor fixing seat, a milling head fixing rotating shaft, a servo motor, a speed reducer, a first gear, a second gear and a milling head, wherein the lower surface of the rotary bearing seat is fixedly connected with the moving end of the X-axis moving module III, the lower side of the right wall of the motor fixing seat is fixedly connected with the left end of the rotary bearing seat, the milling head fixing rotating shaft is arranged in the rotary bearing seat, the left end of the milling head fixing rotating shaft penetrates through the motor fixing seat and is fixedly connected with the first gear, the speed reducer is fixed on the upper side of the right wall of the motor fixing seat, the servo motor is fixed on the speed reducer, the working end of the servo motor is fixedly connected with the input end of the speed reducer, the output end of the speed reducer penetrates through the motor fixing seat and is fixedly connected with the second gear, the first gear and the second gear are in transmission connection through a chain, the milling head is arranged in the through hole through a bearing, and the left end of the milling head is connected with the right end of the fixed rotating shaft of the milling head through a coupler.

Compared with the prior art, the utility model has the advantages that the position of the crankshaft clamp can be adjusted flexibly by arranging the crankshaft clamping mechanism, the positioning is accurate, the crankshaft can be fixed by manually rotating the adjusting bolt, the crankshaft can be taken and placed quickly and conveniently, and the operation is not dangerous; by arranging the left end face drilling mechanism and the right end face drilling mechanism, acting forces generated at two ends of the crankshaft can be mutually offset through reverse rotation milling, the crankshaft is prevented from jumping to influence work during machining, and meanwhile, central holes or eccentric holes can be drilled in two end faces, so that secondary clamping machining is avoided; the utility model discloses the practicality is high, has improved bent axle processingquality, has improved work efficiency, has good market using value.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the crankshaft clamping mechanism of the present invention;

as shown in the figure: 1. a frame; 2. a crankshaft clamping mechanism; 3. a right end face drilling mechanism; 4. a scrap collecting box; 5. drilling a bottom plate; 6. a second X-axis moving module; 7. a slide plate; 8. a Y-axis moving module; 9. a module fixing seat; 10. an X-axis moving module III; 11. rotating the bearing block; 12. a motor fixing seat; 13. a servo motor; 20. a module backing plate; 21. a front lifting module; 22. a rear lifting module; 23. a lifting plate; 24. heightening blocks; 25. an X-axis moving module I; 26. fastening the clamping block; 27. a stopper; 28. a crankshaft placing seat; 29. and adjusting the bolt.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured 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 "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.

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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the drilling machine comprises a frame 1, and further comprises a left end face drilling mechanism, a crankshaft clamping mechanism 2 and a right end face drilling mechanism 3, wherein the left end face drilling mechanism, the crankshaft clamping mechanism 2 and the right end face drilling mechanism 3 are sequentially fixed on the upper portion of the frame 1 from left to right, working ends of the left end face drilling mechanism, the crankshaft clamping mechanism 2 and the right end face drilling mechanism 3 are all located on the same horizontal plane, and a scrap collecting box 4 is arranged at a position, corresponding to the crankshaft clamping mechanism 2, on the lower portion of the frame 1; bent axle fixture 2 includes module backing plate 20, preceding lifting module 21, back lifting module 22, lifter plate 23, increases piece 24 and bent axle positioner, module backing plate 20 is fixed in frame 1, preceding lifting module 21 and back lifting module 22's stiff end respectively with both sides fixed connection around the upper surface of module backing plate 20, both sides are fixed with preceding lifting module 21 and back lifting module 22's removal end fixed connection respectively around the lower surface of lifter plate 23, it fixes to increase piece 24 the upper surface of lifter plate 23, bent axle positioner fixes the upper surface that increases piece 24.

Preferably, the crankshaft positioning device comprises a first X-axis moving module 25, a fastening clamping block 26 and a crankshaft clamp, the first X-axis moving module 25 is fixed on the heightening block 24, the middle of the lower surface of the fastening clamping block 26 is fixedly connected with the moving end of the first X-axis moving module 25, a stop block 27 is fixed on the right side of the upper surface of the first X-axis moving module 25, and the crankshaft clamp is placed between the fastening clamping block 26 and the stop block 27.

Preferably, the crankshaft fixture comprises a crankshaft placing seat 28, an arc-shaped fastening frame and an adjusting bolt 29, wherein a V-shaped groove is formed in the middle of the upper surface of the crankshaft placing seat 28, the arc-shaped fastening frame is fixed on the crankshaft placing seat 28, the adjusting bolt 29 is arranged on the arc-shaped fastening frame, and the adjusting bolt 29 is located right above the V-shaped groove.

Preferably, the left end face drilling mechanism comprises a drilling bottom plate 5, an X-axis moving module II 6, a sliding plate 7, a Y-axis moving module 8, a module fixing seat 9, an X-axis moving module III 10 and a motor drilling device, wherein the drilling bottom plate 5 is fixed on the rack 1, the X-axis moving module II 6 is fixed on the drilling bottom plate 5, the middle of the lower surface of the sliding plate 7 is fixedly connected with the moving end of the X-axis moving module II 6, the Y-axis moving module 8 is fixed on the sliding plate 7, the lower surface of the module fixing seat 9 is fixedly connected with the moving end of the Y-axis moving module 8, the X-axis moving module III 10 is fixed in the module fixing seat 9, and the middle of the lower surface of the motor drilling device is fixedly connected with the moving end of the X-axis moving module; the right end face drilling mechanism 3 is bilaterally symmetrical to the left end face drilling mechanism.

Preferably, the motor drilling device comprises a rotary bearing seat 11, a motor fixing seat 12, a milling head fixing rotating shaft, a servo motor 13, a speed reducer, a first gear, a second gear and a milling head, wherein the lower surface of the rotary bearing seat 11 is fixedly connected with the moving end of the X-axis moving module III 10, the lower side of the right wall of the motor fixing seat 12 is fixedly connected with the left end of the rotary bearing seat 11, the milling head fixing rotating shaft is arranged in the rotary bearing seat 11, the left end of the milling head fixing rotating shaft penetrates through the motor fixing seat 12 to be fixedly connected with the first gear, the speed reducer is fixed on the upper side of the right wall of the motor fixing seat 12, the servo motor 13 is fixed on the speed reducer, the working end of the servo motor 13 is fixedly connected with the input end of the speed reducer, the output end of the speed reducer penetrates through the motor fixing seat 12 to be fixedly connected with the, the milling head is arranged in the through hole through a bearing, and the left end of the milling head is connected with the right end of the milling head fixing rotating shaft through a coupler.

Further, the first X-axis moving module 25, the second X-axis moving module 6, and the third X-axis moving module 10 are prior art, and the modules that can drive the object to move in the X-axis direction are all suitable for this technical scheme.

Further, the Y-axis moving module 8 is the prior art, and the module that can drive the object to move in the Y-axis direction is suitable for the technical scheme.

Further, preceding lifting module 21 and back lifting module 22 are prior art, as long as can realize driving the module that the object moved in the Z axle direction all be applicable to this technical scheme.

The working principle is as follows: when the mechanism starts to work, the crankshaft is first manually placed on the crankshaft seat 28, the adjusting bolt 29 is manually rotated to fix the crankshaft on the crankshaft seat 28, then the movement adjustment of each moving module of the left end face drilling mechanism, the crankshaft clamping mechanism 2 and the right end face drilling mechanism 3 is carried out, so that the motor drilling devices of the left end face drilling mechanism and the right end face drilling mechanism 3 are positioned on the same straight line with the crankshaft, then the X-axis moving module II 6 of the left end face drilling mechanism and the right end face drilling mechanism 3 drives the motor drilling device to move oppositely, so that two ends of the crankshaft are respectively inserted into the rotary bearing seats 11, then milling is respectively carried out on two end faces of the crankshaft by the milling heads of the left end face drilling mechanism and the right end face drilling mechanism 3, the left end face drilling mechanism and the right end face drilling mechanism 3 are reset after the completion, and the finished crankshaft is manually taken down from the crankshaft positioning device; and finishing the work of the mechanism.

Has the advantages that: the utility model discloses a set up bent axle fixture, can adjust the position of bent axle anchor clamps in a flexible way, the location is accurate, and can manually rotate adjusting bolt fixed bent axle, it is swift convenient to get and put the bent axle, the operation is danger-free; by arranging the left end face drilling mechanism and the right end face drilling mechanism, acting forces generated at two ends of the crankshaft can be mutually offset through reverse rotation milling, the crankshaft is prevented from jumping to influence work during machining, and meanwhile, central holes or eccentric holes can be drilled in two end faces, so that secondary clamping machining is avoided; the utility model discloses the practicality is high, has improved bent axle processingquality, has improved work efficiency, has good market using value.

It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a bent axle mills bi-polar face processingequipment, includes the frame, its characterized in that: the drilling machine further comprises a left end face drilling mechanism, a crankshaft clamping mechanism and a right end face drilling mechanism, wherein the left end face drilling mechanism, the crankshaft clamping mechanism and the right end face drilling mechanism are sequentially fixed on the upper portion of the rack from left to right, the working ends of the left end face drilling mechanism, the crankshaft clamping mechanism and the right end face drilling mechanism are all located on the same horizontal plane, and a scrap collecting box is arranged at the position, corresponding to the crankshaft clamping mechanism, of the lower portion of the rack; bent axle fixture includes module backing plate, preceding lift module, back lift module, lifter plate, increases piece and bent axle positioner, the module backing plate is fixed in the frame, preceding lift module and back lift module's stiff end respectively with both sides fixed connection around the upper surface of module backing plate, both sides are held fixed connection with the removal of preceding lift module and back lift module respectively around the lower surface of lifter plate, it fixes to increase the piece the upper surface of lifter plate, bent axle positioner fixes the upper surface that increases the piece.

2. The crankshaft double-end-face milling machining device as claimed in claim 1, wherein: the crankshaft positioning device comprises a first X-axis moving module, a fastening clamping block and a crankshaft clamp, wherein the first X-axis moving module is fixed on the heightening block, the middle of the lower surface of the fastening clamping block is fixedly connected with the moving end of the first X-axis moving module, a stop block is fixed on the right side of the upper surface of the first X-axis moving module, and the crankshaft clamp is placed between the fastening clamping block and the stop block.

3. The crankshaft double-end-face milling machining device as claimed in claim 2, wherein: the crankshaft fixture comprises a crankshaft placing seat, an arc fastening frame and an adjusting bolt, wherein a V-shaped groove is formed in the middle of the upper surface of the crankshaft placing seat, the arc fastening frame is fixed on the crankshaft placing seat, the adjusting bolt is arranged on the arc fastening frame, and the adjusting bolt is located right above the V-shaped groove.

4. The crankshaft double-end-face milling machining device as claimed in claim 1, wherein: the drilling mechanism comprises a drilling bottom plate, an X-axis moving module II, a sliding plate, a Y-axis moving module, a module fixing seat, an X-axis moving module III and a motor drilling device, wherein the drilling bottom plate is fixed on the rack; the right end face drilling mechanism and the left end face drilling mechanism are bilaterally symmetrical.

5. The crankshaft double-end-face milling machining device as claimed in claim 4, wherein: the motor drilling device comprises a rotary bearing seat, a motor fixing seat, a milling head fixing rotating shaft, a servo motor, a speed reducer, a first gear, a second gear and a milling head, wherein the lower surface of the rotary bearing seat is fixedly connected with the moving end of an X-axis moving module III, the lower side of the right wall of the motor fixing seat is fixedly connected with the left end of the rotary bearing seat, the milling head fixing rotating shaft is arranged in the rotary bearing seat, the left end of the milling head fixing rotating shaft penetrates through the motor fixing seat to be fixedly connected with the first gear, the speed reducer is fixed on the upper side of the right wall of the motor fixing seat, the servo motor is fixed on speed reduction, the working end of the servo motor is fixedly connected with the input end of the speed reducer, the output end of the speed reducer penetrates through the motor fixing seat to be fixedly connected with the second gear, the first gear and the second gear are in chain transmission connection, and, the milling head is arranged in the through hole through a bearing, and the left end of the milling head is connected with the right end of the fixed rotating shaft of the milling head through a coupler.