CN207508329U - Small space hole machined equipment - Google Patents
Small space hole machined equipment Download PDFInfo
- Publication number
- CN207508329U CN207508329U CN201721337639.4U CN201721337639U CN207508329U CN 207508329 U CN207508329 U CN 207508329U CN 201721337639 U CN201721337639 U CN 201721337639U CN 207508329 U CN207508329 U CN 207508329U
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- China
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- small space
- boring bar
- hole machined
- crossbeam
- boring
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Abstract
A kind of small space hole machined equipment, including:Lathe bed, the lathe bed include crossbeam, support arm and for the fixed mounting base of workpiece, the crossbeam is fixed in the mounting base, and the support arm is connected to the lower section of the crossbeam, and thereon with mounting hole, first bearing seat is fixed in the mounting hole；Cutting mechanism, the cutting mechanism includes rotatable boring bar and the boring tool holder that can be rotated and can be moved axially on the boring bar with the boring bar, the boring bar are fixed in the first bearing seat.The utility model is simple in structure, easy to use, can carry out hole machined, precision height, assembly and disassembly and convenient transportation in small space.
Description
Technical field
The utility model is related to hole machined technical field more particularly to a kind of small space hole machined equipment.
Background technology
The large-scale spliced bent axles of 12S90ME-C are made of two sections of bent axle splicings, are needed after splicing with 16 splicing holes of processing, this
Mean not require nothing more than single hop Crankshaft Machining quality height, and require sprocket wheel, hole machined positional precision at two pieces connecting flange three
It is high with dimensional accuracy.The processing quality in hole by directly affect splicing after bearing geometric tolerance quality.
Pore size Ф 135 (+0.04/0) mm, hole length reach 460mm, smoothness requirements Ra0.8, cylindricity 0.02mm,
And due to crankshaft structure demand, cause to splice hole machined narrow space, maximum only has 708mm.Machine tool at all cannot
Processing, can not also ensure smoothness requirements, in the such small space of bent axle, can the hole that process such high-precision requirement be that have
The key of standby processing and splicing bent axle.
Utility model content
Based on this, for above-mentioned technical problem, a kind of small space hole machined equipment is provided.
In order to solve the above technical problems, the utility model adopts the following technical solution：
A kind of small space hole machined equipment, including:
Lathe bed, the lathe bed include crossbeam, support arm and for the fixed mounting base of workpiece, the crossbeam is fixed on
In the mounting base, the support arm is connected to the lower section of the crossbeam, thereon with mounting hole, is fixed in the mounting hole
First bearing seat；
Cutting mechanism, the cutting mechanism include rotatable boring bar and can with the boring bar rotate and can be in the boring bar
The boring tool holder of upper axial movement, the boring bar are fixed in the first bearing seat.
On the boring bar there is the first axial track groove, be equipped with screw in first track groove, transmission nut with
Boring tool holder connects.
The screw is driven by feed box.
The boring bar is driven by motor, and the motor is connect by retarder with the front end of the boring bar.
The front end of the boring bar is connected with an extension bar, and the extension bar is equipped with second bearing seat, the second bearing
By jackscrew and the extension bar axial restraint, housing is connect the inner sleeve of seat with the retarder.
The mounting base is two, and two mounting bases are fixed respectively by the rear and front end of intermediate support and the crossbeam,
The top of the intermediate support have can up and down, the connecting plate of left and right adjusting position, the connecting plate fixes with the crossbeam.
The mounting base is in anchor ear shape, is made of two semicircle parts, which is bolted.
The support arm is two, described two support arm time intervals arrangement, and front and back position is adjustable is connected to institute
State the lower section of crossbeam.
The first bearing seat be circumferentially with for adjust bearing radial position adjusting screw.
Also have on the boring bar it is axial and for right boring unit with the boring tool holder the second track groove in axial sliding, it is described
Second track groove and first track groove are symmetrical.
The utility model is simple in structure, easy to use, can carry out hole machined in small space, precision is high, assembles and disassembles and transports
It is convenient.
Description of the drawings
The utility model is described in detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the crossbeam of the utility model and the attachment structure schematic diagram of support arm；
Fig. 3 is the side structure schematic view of Fig. 2；
Fig. 4 is the structure diagram of the mounting base of the utility model；
Fig. 5 is the structure diagram of the cutting mechanism of the utility model；
Fig. 6 is the boring bar of the utility model by motor-driven structure diagram；
Fig. 7 is the structure diagram of the boring tool holder of the utility model；
Fig. 8 is the structure diagram of the feed box of the utility model；
Fig. 9 is the radial cross-section of the feed box of the utility model.
Specific embodiment
As shown in Figure 1, a kind of small space hole machined equipment, including lathe bed 1100 and cutting mechanism 1200.
As shown in Figs 1-4, lathe bed 1100 include crossbeam 1110, support arm 1120 and for the fixed mounting base of workpiece
1130。
Crossbeam 1110 is made by weldment, is fixed in mounting base 1130, and support arm 1120 is connected to crossbeam 1110
Lower section, thereon with mounting hole, first bearing seat 1121 is fixed in mounting hole.
The top tool of crossbeam 1110 is there are two hanging ring 1111, convenient for hoisting transportation.
In the present embodiment, support arm 1120 is two, is made by weldment, two 1120 time intervals of support arm
Arrangement, and the adjustable lower section for being connected to crossbeam 1110 of front and back position have to adjust in the present embodiment, on crossbeam 1110
The regulating tank of 1120 front and back position of support arm, support arm 1120 are fixed on by adjusting bolt on regulating tank, and spacing is adjustable, convenient
Dismounting.
First bearing seat 1121 be circumferentially with for adjust bearing radial position four adjusting screw 1121a, lead to
The radial position of toning bearings can adjust the radial position of boring bar 1210 mounted on bearings, convenient in small space
Carry out hole machined.
Mounting base 1130 is two, and two mounting bases 1130 pass through before and after intermediate support 1140 and crossbeam 1,110 two respectively
End is fixed, the top of intermediate support 1140 have can up and down, the connecting plate of left and right adjusting position 1141, connecting plate 1141 and crossbeam
1110 fix.
Specifically, connecting plate 1141 is fixed by up and down adjustment bolt and left and right adjusting bolt with intermediate support 1140,
The adjusting of connecting plate about 1141, left and right is realized, so as to the position for adjusting crossbeam about 1110, controlling, convenient in small space
Carry out hole machined.
Wherein, mounting base 1130 is fixed by bolt and intermediate support 1140, in anchor ear shape, by upper and lower two semicircle parts
1131 are formed, which is fixed on by bolt anchor ear on workpiece.
As illustrated in figs. 5-7, cutting mechanism 1200 includes rotatable boring bar 1210 and can be rotated with boring bar 1210 and can
The boring tool holder 1220 moved axially on the boring bar 1210, boring bar 1210 are fixed in first bearing seat 1121, drive boring tool holder
1220 rotations, carry out cutting movement.
Wherein, boring bar 1210 uses structural alloy steel, and process is quenched, surface hardening, three times destressing tempering and surface plating
Chromium, intensity is high, and wearability is good, anticorrosive.
Specifically, on boring bar 1210 there is the first axial track groove, screw 1230, transmission are equipped in the first track groove
Nut is connect with boring tool holder 1220, boring tool holder 1220 is driven to realize using screw 1230 and is axially moved.
Boring tool holder 1220 is made of two semicircular rings, is locked on boring bar 1210 using bolt holding, is done with boring bar 1210
Circular motion realizes Tool in Cutting.
Also, also have on boring bar 1210 it is axial and for its right boring unit 1221 with boring tool holder 1220 in axial sliding second
Track groove, the second track groove and the first track groove are symmetrical.
Wherein, boring bar 1210 is driven by motor 1240, and motor 1240 is connected by the front end of retarder 1250 and boring bar 1210
It connects.
In the present embodiment, the front end of boring bar 1210 is connected with extension bar 1260, and the front end face of boring bar 1210 has axially
Interior mounting hole, the rear end of extension bar 1260, which has, is fixed on fixed section in the mounting hole.
Extension bar 1260 is equipped with second bearing seat 1261, and the inner sleeve of second bearing seat 1261 passes through jackscrew and extension bar
1260 axial restraints, housing are connect with retarder 1250.
Screw 1230 is driven by feed box 1270.
Specifically, as shown in FIG. 8 and 9, feed box 1270 divides or so two parts, and left part has output gear
1271, it is connect by connecting flange with the left end of shifting shaft 1272, right end and 1210 end face of boring bar of shifting shaft 1272 are fixed,
It being rotated with boring bar 1210, motor 1240 drives boring bar 1210 to rotate, so as to which output gear 1271 be driven to rotate, output gear 1271
Screw 1230 is driven, realizes the feeding of boring tool holder 1220.
Two sets of swing-bar mechanisms 1273 of inside setting, two sets of swing-bar mechanisms 1273 are respectively provided with a transmission gear, two biographies
Movable gear shaft arranges forwards, backwards, and during turning, shifting shaft 1272, which is turned left, to be pushed away or turn right drawing, can respectively with one of transmission gear
Engagement, the rotation of transmission gear can swing with driven fork 1273a, alternatively, shifting shaft 1272 is in intervening gears, just divide in this way
The main story of motor, reversion, idle running are not corresponded to.During shutdown, shifting shaft 1272 is twisted with hand, realizes rapid feed, withdrawing.Swing rod
The amplitude of fluctuation of 1273a can be adjusted by the adjustment bolt 1273b with one end contact, so as to obtain different feeding speed
Degree, and its other end then with flexible tight fixed bolt 1273c contacts, tight fixed bolt install when mixed up, do not need to adjust.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Utility model, and being not used as the restriction to the utility model, if in the spirit of the utility model, to
Variation, the modification of the upper embodiment will be all fallen in the Claims scope of the utility model.
Claims (10)
1. a kind of small space hole machined equipment, which is characterized in that including:
Lathe bed, the lathe bed include crossbeam, support arm and for the fixed mounting base of workpiece, the crossbeam is fixed on described
In mounting base, the support arm is connected to the lower section of the crossbeam, and thereon with mounting hole, first is fixed in the mounting hole
Bearing block；
Cutting mechanism, the cutting mechanism include rotatable boring bar and can with the boring bar rotate and can on the boring bar axis
To mobile boring tool holder, the boring bar is fixed in the first bearing seat.
2. a kind of small space hole machined equipment according to claim 1, which is characterized in that have on the boring bar axial
The first track groove, screw is equipped in first track groove, transmission nut is connect with boring tool holder.
3. a kind of small space hole machined equipment according to claim 2, which is characterized in that the screw is driven by feed box
It is dynamic.
4. a kind of small space hole machined equipment according to claim 3, which is characterized in that the boring bar is driven by motor
Dynamic, the motor is connect by retarder with the front end of the boring bar.
A kind of 5. small space hole machined equipment according to claim 4, which is characterized in that the front end connection of the boring bar
There is an extension bar, the extension bar is equipped with second bearing seat, and the inner sleeve of the second bearing seat passes through jackscrew and the lengthening
Bar axial restraint, housing are connect with the retarder.
6. a kind of small space hole machined equipment according to claim 5, which is characterized in that the mounting base is two,
Two mounting bases are fixed respectively by the rear and front end of intermediate support and the crossbeam, the top of the intermediate support have can on
Under, the connecting plate of left and right adjusting position, the connecting plate fixes with the crossbeam.
7. a kind of small space hole machined equipment according to claim 6, which is characterized in that the mounting base is in anchor ear
Shape is made of two semicircle parts, which is bolted.
8. a kind of small space hole machined equipment according to claim 7, which is characterized in that the support arm is two,
Described two support arm time interval arrangements, and the adjustable lower section for being connected to the crossbeam of front and back position.
A kind of 9. small space hole machined equipment according to claim 8, which is characterized in that the week of the first bearing seat
To equipped with for adjusting the adjusting screw of the radial position of bearing.
10. a kind of small space hole machined equipment according to claim 9, which is characterized in that also have on the boring bar
It is axial and for right boring unit with the boring tool holder the second track groove in axial sliding, second track groove and first track
Slot is symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337639.4U CN207508329U (en) | 2017-10-18 | 2017-10-18 | Small space hole machined equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337639.4U CN207508329U (en) | 2017-10-18 | 2017-10-18 | Small space hole machined equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207508329U true CN207508329U (en) | 2018-06-19 |
Family
ID=62535937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721337639.4U Active CN207508329U (en) | 2017-10-18 | 2017-10-18 | Small space hole machined equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207508329U (en) |
-
2017
- 2017-10-18 CN CN201721337639.4U patent/CN207508329U/en active Active
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