CN209698114U - A kind of lathe for the processing of pitman arm end face - Google Patents
A kind of lathe for the processing of pitman arm end face Download PDFInfo
- Publication number
- CN209698114U CN209698114U CN201920290891.7U CN201920290891U CN209698114U CN 209698114 U CN209698114 U CN 209698114U CN 201920290891 U CN201920290891 U CN 201920290891U CN 209698114 U CN209698114 U CN 209698114U
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- spindle box
- rotary table
- pitman arm
- processing
- power head
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Abstract
The utility model provides a kind of lathe for the processing of pitman arm end face, including base, is equipped with rotary table and two power head devices on base；There are two clamp assemblies, rotary table alternately to turn to a clamp assembly at power head device for installation on rotary table；Power head device includes slide track seat, spindle box and milling cutter, and slide track seat is equipped with line slide rail, spindle box bottom be equipped with the matched sliding block of line slide rail, driving lead screw is installed in slide track seat, driving lead screw can driving spindle case moved along slide track seat；Main shaft is equipped in spindle box and engages the multi-stage speed-reducing gear of connection with main shaft, and spindle box and installation milling cutter, the left and right ends processing that the milling cutter of two power head devices can simultaneously to workpiece front end are stretched out in one end of main shaft；The spindle servo electric machine of driving spindle rotation is installed on spindle box.The utility model can simultaneously process pitman arm both ends of the surface, and processing while can load and unload another workpiece, and work efficiency is high.
Description
Technical field
The utility model belongs to machining tool technical field, and in particular to a kind of machine for the processing of pitman arm end face
Bed.
Background technique
In the process of pitman arm, need to carry out Milling Process on the end flat of its stub end, traditional adds
Work process flow is: first processing a face, then clamping processes another face again again.Using this technology pattern equipment
Utilization rate is low, and working efficiency is low, large labor intensity, and the requirement to operator is high, is unfavorable for flow line production.
Utility model content
The purpose of the utility model is to provide a kind of lathes for the processing of pitman arm end face, can be simultaneously to pitman arm
Stub end both ends of the surface are processed, and can carry out another work-handling work while processing, and work efficiency is high, labour
Intensity is small.
The utility model provides the following technical solution:
A kind of lathe for the processing of pitman arm end face, including base are equipped with rotary table and two on base
The power head device being located at turn around in front of workbench, two power head devices are oppositely arranged；Revolution point is equipped in rotary table
Device is spent, there are two the clamp assembly for being used for clamping workpiece, the angling cylinder of circular index device can for installation on rotary table
Alternately a clamp assembly is turned at power head device, the end to be processed of workpiece can be located at two power head devices it
Between；Power head device includes slide track seat, spindle box and milling cutter, and slide track seat is fixedly installed on base, and slide track seat is equipped with
The line slide rail of mobile guide is carried out to spindle box, spindle box bottom is equipped with and the matched sliding block of line slide rail, the interior peace of slide track seat
Equipped with driving lead screw, spindle box with driving lead screw be flexibly connected, drive lead screw can driving spindle case moved along slide track seat, make two
A spindle box is adjacent to each other or separate；Main shaft is equipped in spindle box and the multi-stage speed-reducing gear of connection, main shaft are engaged with main shaft
One end stretch out spindle box and installation milling cutter, the milling cutters of two power head devices can be simultaneously to workpiece end to be processed
Left and right ends processing；The spindle servo electric machine engaged indirectly with main shaft is also equipped on spindle box.
Preferably, two clamp assemblies are installed on rotary table to mirror image each other with the center of rotary table, are returned
Turn indexing means control rotary table and rotates 180 ° every time.
Preferably, clamp assembly includes clamping fixture seat and the first corner oil cylinder being respectively arranged on clamping fixture seat and the second corner
Oil cylinder, the first corner oil cylinder are horizontal type structure, are equipped with the first collet on the piston rod of the first corner oil cylinder, the first collet can water
The dynamic clamping end to clamp workpiece of translation；Second corner oil cylinder is vertical structure, is installed on the piston rod of the second corner oil cylinder
There are the second collet, the end to be processed that the second collet can move down to workpiece pressing.
Preferably, clamping fixture seat includes the pedestal and stand being fixedly connected, and stand is located at the first corner oil cylinder, stand and
One collet can push against the left and right side at piece-holder end respectively.
Preferably, a horizontal card column is fixed on stand, card column abuts the clamping end of workpiece from upper side.
Preferably, the surface mount of line slide rail has the soft band of polytetrafluoroethylene (PTFE) sliding rail.
Preferably, driving lead screw includes the lead screw servo motor of ball-screw and driving ball screw turns.
The beneficial effects of the utility model are: being oppositely disposed two groups on the rotary table of the utility model for clamping
The clamp assembly of pitman arm, and rotary table can be rotated 180 °, and loading/unloading workpiece is same on the clamp assembly of one side
When, the other side is processed in milling automatic, improves processing efficiency.Two power head devices on base realize the left side to workpiece
Right two-sided while Milling Process, further improves processing efficiency, reduces labor intensity.Double main shafts are respectively by respective servo
Motor driven, multi-stage gear reduction of speed, therefore the cutter of two sides can respectively realize stepless speed regulation, be conducive to tool wear compensation and
Guarantee suface processing quality；Two spindle boxes can carry out axial coordinate adjustment by driving lead screw and slide track seat, meet workpiece
Thickness requirement is processed, and when rotary table rotation, two spindle boxes can be moved away from and open, therefore avoid back
Clamp assembly on revolving worktable avoids generating interference, ensure that the stability of rotary table work.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram of pitman arm；
Fig. 2 is the schematic perspective view of the utility model；
Fig. 3 is the enlarged diagram of part A in Fig. 2；
Fig. 4 is the left side view of Fig. 2.
In the figure, it is marked as 1. pitman arms；11. end to be processed；2. base；3. rotary table；31. oil pipe；41. sliding rail
Seat；411. line slide rail；42. spindle box；421. main shaft；43. milling cutter；44. driving lead screw；441. ball-screw；442.
Lead screw servo motor；45. spindle servo electric machine；5. clamp assembly；51. clamping fixture seat；511. pedestal；512. stand；52. first turn
Angle oil cylinder；53. the second corner oil cylinder；54. the first collet；55. the second collet；56. card column.
Specific embodiment
As shown in Figure 1, the structure of pitman arm 1 includes end 11 and clamping end to be processed, end 11 to be processed is stub end, folder
Holding end is small head end, needs milled in the left and right ends at its end 11 to be processed, cut hole machined when processing pitman arm, this
Embodiment provides a kind of lathe that the both ends of the surface synchronous processing to pitman arm end to be processed 11 may be implemented.Such as Fig. 2 to Fig. 4 institute
Show, including base 2, rotary table 3 is installed and two power head devices for being located at turn around 3 front of workbench on base 2, two
A power head device is oppositely arranged；It is equipped with circular index device in rotary table 3, is relatively equipped on rotary table 3
Two be used for clamping workpiece (i.e. pitman arm 1) clamp assembly, two clamp assemblies 5 with the center of rotary table 3 each other
It is installed on to mirror image on rotary table 3, the angling cylinder in circular index device can be such that rotary table 3 rotates every time
180 °, realize the exchange of the processing district and loading place of rotary table, circular index device is alternately by one 5 turns of clamp assembly
It moves to power head device, the end to be processed 11 (i.e. front end) of pitman arm 1 can be located at the milling of two power head devices at this time
Between cutter.
As shown in Fig. 2, power head device includes slide track seat 41, spindle box 42 and milling cutter 43, the fixed peace of slide track seat 41
Loaded on base 2, slide track seat 41 is equipped with the line slide rail 411 that mobile guide is carried out to spindle box 42, and 42 bottom of spindle box is set
Have with the matched sliding block of line slide rail 411, driving lead screw 44,44 activity of spindle box 42 and driving lead screw are installed in slide track seat 41
Connection, driving lead screw 44 can driving spindle case 42 moved along slide track seat 41, keep two spindle boxes 42 adjacent to each other or separate,
Driving lead screw 44 includes ball-screw 441 and the lead screw servo motor 442 for driving the rotation of ball-screw 441.Spindle box 42 is by silk
Thick stick servo motor 442 controls its moving distance and direction, therefore controls the front and back amount of feeding of cutter with can be convenient, and adjustment
The thickness error and location error of workpiece, unit of error can control within 0.02mm.
Line slide rail 411 passes through high-frequency quenching accurate grinding, and surface mount has the soft band of polytetrafluoroethylene (PTFE) sliding rail (in figure not
Show), make that the coefficient of friction of line slide rail 411 is small, the service life is long, wear-resisting, entire feed system has that precision is high, rigidity is good, fortune
The advantages that dynamic steady, precision stability is good.
Main shaft 421 is equipped in spindle box 42 and the multi-stage speed-reducing gear of connection, one end of main shaft 421 are engaged with main shaft 421
Spindle box 42 is stretched out, and milling cutter 43 is installed by chuck, the milling cutter 43 of two power head devices can be simultaneously to work
The left and right ends at part end to be processed carries out Milling Process；The top of spindle box 42 is equipped with spindle servo electric machine 45, and main shaft is watched
Motor 45 is taken by driving multi-stage speed-reducing gear rotation, drives the rotation of 421 reduction of speed of main shaft.Main shaft 421 uses standard BT50 taper hole
Form, manual draw bar locking knife handle, the power 7.5kW of spindle servo electric machine 45,421 max. output torque of main shaft about 380Nm.
As shown in figure 3, clamp assembly 5 includes clamping fixture seat 51 and the first corner oil cylinder 52 being respectively arranged on clamping fixture seat 51
With the second corner oil cylinder 53, clamping fixture seat 51 is screwed on rotary table 3, and the first corner oil cylinder 52 is horizontal knot
Structure, the first collet 54 is equipped on the piston rod of the first corner oil cylinder 52, and the first collet 54 is horizontally moveable to clamp workpiece
Tail end；Second corner oil cylinder 53 is vertical structure, is equipped with the second collet 55 on the piston rod of the second corner oil cylinder 53, second
The front end that collet 55 can move down to workpiece pressing, the first collet 54 and the second collet 55 can also rotate.
Clamping fixture seat 51 includes the pedestal 511 and stand 512 being fixedly connected, and stand 512 is located at the first corner oil cylinder 52, is stood
Seat 512 and the first collet 54 can clamp respectively the left and right side of workpiece, to clamp the tail end of workpiece.
A horizontal card column 56 is fixed on stand 512, card column 56 abuts the tail end of workpiece from upper side, further strengthens
To the pressing force of workpiece tail end, workpiece is avoided to shake.
The center of rotary table 3 is equipped with multiple-tubing string 31, and oil pipe 31 is connected to external fueller, for revolution oil
Cylinder and the first corner oil cylinder 52, the second corner oil cylinder 53 provide hydraulic coupling.
The working process of this embodiment is as follows: when clamping workpiece, pitman arm 1 is placed on clamping fixture seat, pitman arm 1
Clamping end is placed at the first corner oil cylinder 52, and end 11 to be processed is placed at the second corner oil cylinder 53, starts the first corner oil cylinder 52,
First collet 54 on its piston rod is horizontally clamped to the clamping end of pitman arm 1, starts the second corner oil cylinder 53, by its piston
The second collet 55 turns to the top of pitman arm 1 on bar, clamps the end to be processed of pitman arm 1 still further below.Clamping workpiece is good
Afterwards, starting driving lead screw 44, drives two spindle boxes 42 to be moved away from and open a distance, avoids spindle box 42 and rotation
There is interference between rotary table 3, then the circular index device movement in rotary table 3, rotary table 3 is rotated
180 °, enter the front end of pitman arm 1 between two power head devices, driving lead screw 44 drive again two spindle boxes 42 along
Slide track seat 41 moves towards, and two milling-cutting cutter discs 43 is made to simultaneously clamp on the end to be processed 11 of pitman arm 1, to its end 11 to be processed
Left and right two sides carry out Milling Process, the second corner oil cylinder 53 drives the second collet 55 to turn at this time, avoid the second collet 55 with
Milling-cutting cutter disc 43 generates interference；While Milling Process, staff is on another clamp assembly 5 of rotary table 3
Second pitman arm of clamping.When first pitman arm after processing is completed, two spindle boxes 42 open again, rotary table
3 are rotated further by 180 °, and the first collet 54 and the second collet 55 unclamp pitman arm 1, and staff is by the workpiece processed from fixture
It is removed on component 5, third workpiece is installed, is recycled with this.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (7)
1. a kind of lathe for the processing of pitman arm end face, which is characterized in that including base, revolution is equipped on the base
Workbench and two power head devices being located in front of the rotary table, two power head devices are oppositely arranged；Institute
It states and is equipped with circular index device in rotary table, there are two the fixture groups for being used for clamping workpiece for installation on the rotary table
Part, the angling cylinder of the circular index device alternately turn to a clamp assembly at the power head device, work
The end to be processed of part can be located between the milling cutter of two power head devices；The power head device further includes slide track seat and master
Axle box, the slide track seat are fixedly installed on the base, and the slide track seat, which is equipped with, carries out mobile guide to the spindle box
Line slide rail, the spindle box bottom be equipped with the matched sliding block of the line slide rail, driving is installed in the slide track seat
Lead screw, the spindle box are flexibly connected with the driving lead screw, and the driving lead screw can drive the spindle box along the cunning
Rail chair is mobile, keeps two spindle boxes adjacent to each other or separate；It is equipped with main shaft in the spindle box and engages company with the main shaft
The spindle box and the installation milling cutter, two power are stretched out in the multi-stage speed-reducing gear connect, one end of the main shaft
The milling cutter of head device the left and right ends to workpiece end to be processed can be processed simultaneously；It is also equipped on the spindle box and institute
State the spindle servo electric machine that main shaft engages indirectly.
2. the lathe according to claim 1 for the processing of pitman arm end face, which is characterized in that two fixture groups
Part is installed on to mirror image on the rotary table each other with the center of the rotary table, the circular index device control
The rotary table rotates 180 ° every time.
3. the lathe according to claim 2 for the processing of pitman arm end face, which is characterized in that the clamp assembly packet
The first corner oil cylinder and the second corner oil cylinder for including clamping fixture seat and being respectively arranged on the clamping fixture seat, first corner oil cylinder
For horizontal type structure, the first collet is installed on the piston rod of first corner oil cylinder, first collet it is horizontally moveable from
And clamp the clamping end of workpiece；Second corner oil cylinder is vertical structure, is installed on the piston rod of second corner oil cylinder
There is the second collet, second collet can move down to compress the end to be processed of the workpiece.
4. the lathe according to claim 3 for the processing of pitman arm end face, which is characterized in that the clamping fixture seat includes
The pedestal and stand being fixedly connected, the stand are located at first corner oil cylinder, and the stand and first collet can
The left and right side at piece-holder end is pushed against respectively.
5. the lathe according to claim 4 for the processing of pitman arm end face, which is characterized in that fixed on the stand
There is a horizontal card column, the card column abuts the clamping end of the workpiece from upper side.
6. the lathe according to claim 1 for the processing of pitman arm end face, which is characterized in that the line slide rail
Surface mount has the soft band of polytetrafluoroethylene (PTFE) sliding rail.
7. the lathe according to claim 6 for the processing of pitman arm end face, which is characterized in that the driving lead screw packet
It includes ball-screw and drives the lead screw servo motor of the ball screw turns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290891.7U CN209698114U (en) | 2019-03-07 | 2019-03-07 | A kind of lathe for the processing of pitman arm end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920290891.7U CN209698114U (en) | 2019-03-07 | 2019-03-07 | A kind of lathe for the processing of pitman arm end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209698114U true CN209698114U (en) | 2019-11-29 |
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ID=68645434
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920290891.7U Active CN209698114U (en) | 2019-03-07 | 2019-03-07 | A kind of lathe for the processing of pitman arm end face |
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| Country | Link |
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| CN (1) | CN209698114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618424A (en) * | 2021-09-07 | 2021-11-09 | 苏州科技大学 | Special fixture for processing machine tool box body component |
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2019
- 2019-03-07 CN CN201920290891.7U patent/CN209698114U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618424A (en) * | 2021-09-07 | 2021-11-09 | 苏州科技大学 | Special fixture for processing machine tool box body component |
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