CN203636471U - Special combination drilling machine for machining holes in outer peripheral surface of timing gear chamber - Google Patents
Special combination drilling machine for machining holes in outer peripheral surface of timing gear chamber Download PDFInfo
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- CN203636471U CN203636471U CN201320646630.7U CN201320646630U CN203636471U CN 203636471 U CN203636471 U CN 203636471U CN 201320646630 U CN201320646630 U CN 201320646630U CN 203636471 U CN203636471 U CN 203636471U
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- workpiece clamping
- clamping table
- timing gear
- drilling machine
- housing
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Abstract
The utility model relates to a special combination drilling machine for machining holes in the outer peripheral surface of a timing gear chamber, wherein a workpiece clamping table in the drilling machine is installed on a bottom plate of a machine tool through an oil cylinder vertically arranged in the middle of the workpiece clamping table, the workpiece clamping table is provided with a plurality of hydraulic clamping heads and symmetrically arranged locating pins, five machining stations are arranged around the workpiece clamping table, each machining station is provided with two groups of multi-spindle tools which are distributed up and down and are horizontally placed, drill bits or screw taps are installed in the upper and lower multi-spindle tools, the gear chamber is located through a binding surface and the two locating pins, meanwhile, the four corners of the gear chamber are clamped by the hydraulic clamping heads, the workpiece clamping table drives the gear chamber to lift upwards and downwards, and the outer peripheral surface of the gear chamber is drilled and tapped at the same time under the action of the drill bits and the screw taps of the multi-spindle tools. The special combination drilling machine provided by the utility model machines the holes in the peripheral surface of the timing gear chamber, so that the uniformity and the accuracy of all holes are guaranteed, and the product quality and the machining efficiency are effectively improved.
Description
Technical field
The utility model relates to a kind of process equipment of machine components, especially a kind of to being arranged on the special combination drilling machine of the housing for timing gear periphery face processing in diesel engine.
Background technology
Housing for timing gear is one of most important part on diesel engine, is taking on the installation important task of the diesel engine servicing units such as whole gear transmission of diesel engine system, generator, belongs to engine category-A part.In order to meet Europe IV discharge standard, processing request for housing for timing gear is also higher, the for example machining accuracy of fuel injection pump gear hole, idler gear hole, crankshaft toothed wheel hole H7, all the other gear hole H8 required precisions, baseplane flatness 0.05mm, the perpendicularity 0.05mm of baseplane and faying face, the perpendicularity 0.03mm of idler gear installed surface and installing hole, both sides dowel hole and central hole of the crankshaft locus dimensional tolerance 0.2mm, and the position degree of all housing for timing gears neighboring installation aperture is 0.4mm.CN102240885A, discloses a kind of processing method of housing for timing gear, and it is adding man-hour to housing for timing gear outer peripheral face installing hole, and procedure of processing comprises: (10) bore the end face hole of attacking gear chamber; (11) bore and attack gear chamber side, brill lateral aperture, counterbore; (12) secondary bores gear chamber lateral aperture, chamfering, tapping; This processing method, for the installing hole on gear chamber outer peripheral face, adopts tradition point order drill jig processing, and precision is difficult to ensure, and efficiency is lower.Installation aperture on general housing for timing gear on five outer peripheral faces all needs processing, and these installation aperture major parts are screwed holes, divides like this order processing, not only positioning datum difference, and precision is low; And needing more bit change and screw tap, working (machining) efficiency is very low.
Utility model content
Purpose of design: avoid the weak point in background technology, design a kind of special combination drilling machine of the housing for timing gear periphery face processing that can improve machining accuracy and working (machining) efficiency.
Design: in order to realize above-mentioned purpose of design.1, the faying face and two dowel holes that utilize housing for timing gear, pressed housing for timing gear to be processed to be fixed in workpiece clamping table by hydraulic chuck, is first technical characterictic of the present utility model.The object of design is like this, and gear chamber to be processed is placed in workpiece clamping table, and two alignment pins in workpiece clamping table are through two dowel holes of gear chamber, and the design of two alignment pins has limited gear chamber four frees degree in the horizontal direction; Workpiece clamping table is provided with four hydraulic chucks, utilize four hydraulic chucks that four angles of gear chamber are compressed, the briquetting of hydraulic chuck is pressed in gear chamber under the effect of hydraulic cylinder, the workpiece clamping table of gear chamber bottom and multiple briquettings on top, gear chamber two frees degree are in vertical direction limited, the space six-freedom degree that is gear chamber is all accurately limited, while having ensured gear chamber periphery face processing, the cog stability of chamber of workpiece clamping table, has effectively improved machining accuracy.2, the liftable of workpiece clamping table design is second technical characterictic of the present utility model.The object of design is like this, workpiece clamping table is positioned at lathe base plate top, and between workpiece clamping table and lathe base plate, be fixed with the oil cylinder of vertical placement, oil cylinder bottom is fixed on lathe base plate, the top of oil cylinder push rod is fixed on workpiece clamping table middle part, in the time of supercharging in oil cylinder or pressure release, workpiece clamping table is done to rise or descending motion under the effect of push rod, can in bore operation and tapping operation, switch fast, and the rising of workpiece clamping table or the helical pitch of decline are accurately controlled by oil cylinder, the accuracy of bore operation and tapping operation is effectively ensured.3, five of workpiece clamping table periphery processing stations designs, are the 3rd technical characterictics of the present utility model.The object of design is like this, on five faces due to gear chamber periphery, all need to process through hole, counterbore or screwed hole, and five processing stations of workpiece clamping table periphery make, five faces of gear chamber periphery can be holed simultaneously, tapping operation, a large amount of process times are saved, and hole on five outer peripheral faces adopts same localization criteria, the uniformity and the accuracy that have ensured the each hole of outer peripheral face, effectively improved working (machining) efficiency.4, five of workpiece clamping table periphery processing stations places, are equipped with multi-shaft device, are the 4th technical characterictics of the present utility model.The object of design is like this, each processing stations correspondence an outer peripheral face in gear chamber, and on each outer peripheral face, need the hole of processing to be multiple, by the design of station place multi-shaft device, can once complete the hole processing on each outer peripheral face simultaneously, improve the unified accuracy in working (machining) efficiency and each hole, improved crudy.5, the multi-shaft device at each processing stations place is two groups, is the 5th technical characterictic of the present utility model.The object of design is like this, each processing stations place is equipped with two groups of multi-shaft devices, and two groups of multi-shaft devices are up and down arranges, in upper and lower two groups of multi-shaft devices, be separately installed with drill bit simultaneously, screw tap, drill bit in these multi-shaft devices or the quantity of screw tap and position, all corresponding with the hole on each outer peripheral face to be processed, gear chamber is under the lifting of workpiece clamping table drives, successively move to two groups of multi-shaft device positions, first five outer peripheral faces are carried out to bore operation simultaneously, then five outer peripheral faces are carried out to tapping operation simultaneously, only need two steps can complete the processing of five periphery faces of gear chamber, greatly shorten process time, effectively improve working (machining) efficiency, and, in whole process, adopt same localization criteria, effectively improve the accuracy of gear chamber processing, reduce scrappage.
Technical scheme: a kind of special combination drilling machine of housing for timing gear periphery face processing, workpiece clamping table in drilling machine is by its vertically disposed oil cylinder in middle part, be arranged on lathe base plate, workpiece clamping table is provided with multiple hydraulic chucks and symmetrically arranged alignment pin, the surrounding of workpiece clamping table is provided with the multi-shaft device that is equipped with two groups of horizontal positioned of arranging up and down on five processing stations and each processing stations, and drill bit or screw tap are arranged on respectively in upper and lower multi-shaft device.
The utility model is compared with background technology, the one, avoid point order to process the error to gear chamber clamping, adopt same processing localization criteria, ensure the position degree in the each hole of gear chamber outer peripheral face, greatly improve the precision of gear chamber periphery face processing, effectively improve crudy, greatly reduce processing scrappage, experiment finds that scrappage is reduced to 2% by 27%; The 2nd, workpiece clamping table lifting twice, can complete boring and the tapping processing of gear chamber periphery face, has greatly improved working (machining) efficiency, has shortened process time, and machining period dropped to 5 minutes from 30 minutes.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further.
The structural representation that accompanying drawing 1 is housing for timing gear.
Accompanying drawing 2 be in accompanying drawing 1 P to sectional structure schematic diagram.
Accompanying drawing 3 is the main TV structure schematic diagram of the utility model special combination drilling machine.
Accompanying drawing 4 is the plan structure schematic diagram of the utility model special combination drilling machine.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Embodiment 1: with reference to accompanying drawing 2,3, to process the housing for timing gear shown in accompanying drawing 1 as example.A kind of housing for timing gear periphery face processing special combination drilling machine, comprises the workpiece clamping table 1 being arranged in drilling machine; Described workpiece clamping table 1 is parallel is located at lathe base plate 9 tops, and is provided with oil cylinder 7 between workpiece clamping table 1 and lathe base plate 9; Described oil cylinder 7 bottoms are fixed on lathe base plate 9, and oil cylinder 7 push rod 8 ends are fixed on the center of workpiece clamping table 1; The periphery of described workpiece clamping table 1 is provided with four lugs 2; Between described workpiece clamping table 1 and lathe base plate 9, be also provided with four guide pillars 6; The bottom of described guide pillar 6 is fixed on lathe base plate 9, and guide pillar 6 tops pass lug 2 and workpiece clamping table 1 can be slided on guide pillar 6 in lifting; Described guide pillar 6 tops are provided with block 10, prevent that workpiece clamping table 1 from skidding off guide pillar 6; In described workpiece clamping table 1, be also provided with four angles that 5, four hydraulic chucks 5 of four hydraulic chucks compress housing for timing gear; Described hydraulic chuck 5 is made up of hydraulic cylinder 51 and briquetting 52; Described hydraulic cylinder 51 is vertically fixed in workpiece clamping table 1; Described briquetting 52 is fixed on the extension bar top of hydraulic cylinder 51; Housing for timing gear to be processed is placed in workpiece clamping table 1; Described housing for timing gear, between workpiece clamping table 1 and briquetting 52, and under the effect of hydraulic cylinder 51, is fixed housing for timing gear; In described workpiece clamping table 1, be also provided with symmetrically arranged alignment pin 3, and alignment pin 3 is all located housing for timing gear through the dowel hole of housing for timing gear; The periphery of described workpiece clamping table 1, outer peripheral face A, B, C, the D relative position place to be processed with housing for timing gear, all leave five processing stations A0, B0, C0, D0, E0; Described each processing stations place, be equipped with two groups of multi-shaft devices 4, and multi-shaft device 4 is all horizontally disposed with; Described two groups of multi-shaft devices 4 are up and down arranges, and in upper multi-shaft device 41, screw tap is installed, and in lower multi-shaft device 42, drill bit is installed; Screw tap in described multi-shaft device 4 or drill bit quantity, position are all relative with the hole on housing for timing gear outer peripheral face; Described multi-shaft device 4 is by driven by motor drill bit or screw tap rotation; The feed motion of described multi-shaft device 4, can be driven by hydraulic cylinder and slide rail, can be also that slide block and the slide bar on leading screw, leading screw drives; The feed motion of described multi-shaft device 4, and the rotation of drill bit, screw tap is all the routine techniques means of mechanical field, do not repeat at this; Described oil cylinder 7, hydraulic cylinder 51 are all connected with hydraulic system, when oil cylinder 7 pressure release, the push rod 8 of oil cylinder 7 drives workpiece clamping table 1 to move downward, while moving to lower multi-shaft device 42 position, in lower multi-shaft device 42, under the effect of drill bit, complete the bore operation on housing for timing gear outer peripheral face A, B, C, D, E, this at present in multi-shaft device 42 drill bit complete the bottom outlet drilling operation of outer peripheral face upper screwed hole; When oil cylinder 7 supercharging, the push rod 8 of oil cylinder 7 drives workpiece clamping table 1 to move upward, and while moving to multi-shaft device 41 position, completes the tapping operation of housing for timing gear outer peripheral face A, B, C, D, E upper screwed hole under the effect of upper multi-shaft device 41 plug taps.
Embodiment 2: on the basis of embodiment 1, a kind of housing for timing gear periphery face processing special combination drilling machine, wherein each processing stations place, installs drill bit in upper multi-shaft device 41, in lower multi-shaft device 42, screw tap is installed; The drill bit of described multi-shaft device 4, the equal level of screw tap, and the quantity of drill bit, screw tap and position are relative with the hole in to be processed of housing for timing gear periphery respectively; When described workpiece clamping table 1 rises to multi-shaft device 41 place under the effect of oil cylinder 7, under the effect of upper multi-shaft device 41, complete bore operation; When described workpiece clamping table 1 drops to lower multi-shaft device 42 place under the effect of oil cylinder 7, under the effect of lower multi-shaft device 42, complete tapping operation.
The special combination drilling machine that utilizes the housing for timing gear periphery face processing described in embodiment 1, adds man-hour to housing for timing gear periphery face, comprises the following steps:
1. housing for timing gear is placed in workpiece clamping table 1, alignment pin 3 is through the locating pin-and-hole of housing for timing gear;
2. start hydraulic chuck 5, the briquetting 52 of hydraulic cylinder 51 tops declines, and housing for timing gear is pressed in workpiece clamping table 1;
3. start the oil cylinder 7 of lathe base plate 9 tops, workpiece clamping table 1 is elevated to multi-shaft device 4 positions that drill bit is housed;
4. starter motor drives the drill bit in multi-shaft device 4, complete through hole on housing for timing gear five outer peripheral face A, B, C, D, E and the processing of thread Pilot hole, i.e. A face-thread Pilot hole, B face-tetra-thread Pilot hole, C face-tetra-thread Pilot hole and two through holes, D face-two thread Pilot hole; E face-tetra-thread Pilot hole and two through holes;
5. multi-shaft device 4 and drill bit reset;
6. start the oil cylinder 7 of lathe base plate 1 top, workpiece clamping table 1 is elevated to multi-shaft device 4 positions that screw tap is housed;
7. the screw tap in driven by motor multi-shaft device 4, complete the tapping processing of housing for timing gear five outer peripheral face A, B, C, D, E upper screwed hole, i.e. A face-screwed hole, B face-tetra-screwed hole, C face-tetra-screwed hole, D face-two screwed hole, E face-tetra-screwed hole;
8. multi-shaft device 4 and screw tap reset, and unclamp hydraulic chuck 5, take out the housing for timing gear machining.
With reference to accompanying drawing 1,2.Housing for timing gear periphery face is being carried out to first being processed, can adopt the following step processing foundry goods through Sand-Faced Metal Mould Casting cast: rough mill faying face G → rough mill on the upper locating pin-and-hole of flange face F → finish-milling faying face G → finish-milling flange face F → faying face G and part hole processing → flange face F hole process → bore flange face F thread Pilot hole → flange face F tapping process → attack faying face G screwed hole → benefit attack the little sloping platform face of flange face F screwed hole → milling → bore little sloping platform face be → attack little sloping platform face screwed hole → rough mill D face → milling two sides C, E → milling B face and A face → fine grinding faying face → finish-milling D face → on special combination drilling machine, process the hole on five outer peripheral faces.
Adopt above-mentioned special combination drilling machine, complete the processing of housing for timing gear periphery face, effectively improved the machining accuracy of housing for timing gear, reduce processing scrappage; Meanwhile, also shortened process time, machining period dropped to 5 minutes from 30 minutes, had greatly improved the working (machining) efficiency of housing for timing gear.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; instead of restriction to the utility model mentality of designing; any combination, increase or amendment that does not exceed the utility model mentality of designing, all falls in protection domain of the present utility model.
Claims (7)
1. the special combination drilling machine of a housing for timing gear periphery face processing, it is characterized in that: the workpiece clamping table (1) in drilling machine is by its vertically disposed oil cylinder in middle part (7), be arranged on lathe base plate (9), workpiece clamping table (1) is provided with multiple hydraulic chucks (5) and symmetrically arranged alignment pin (3), the periphery of workpiece clamping table (1) is provided with five processing stations (A0, B0, C0, D0, and on each processing stations, be equipped with the multi-shaft device (4) of two groups of horizontal positioned of arranging up and down E0), drill bit or screw tap are arranged on respectively in upper and lower multi-shaft device (4).
2. the special combination drilling machine of housing for timing gear periphery face processing according to claim 1, it is characterized in that: on lathe base plate (9), be fixed with multiple guide pillars (6), and guide pillar (6) upper end passes workpiece clamping table (1).
3. the special combination drilling machine of housing for timing gear periphery face processing according to claim 1, is characterized in that: screw tap is installed in the upper multi-shaft device (41) of each processing stations, drill bit is installed in lower multi-shaft device (42).
4. the special combination drilling machine of housing for timing gear periphery face processing according to claim 1, is characterized in that: drill bit is installed in the upper multi-shaft device (41) of each processing stations, screw tap is installed in lower multi-shaft device (42).
5. the special combination drilling machine of housing for timing gear periphery face processing according to claim 1, it is characterized in that: hydraulic chuck (5) is made up of hydraulic cylinder (51) and briquetting (52), it is upper that hydraulic cylinder (51) is vertically fixed on workpiece clamping table (1), and briquetting (52) is fixed on the extension bar of hydraulic cylinder (51).
6. the special combination drilling machine of housing for timing gear periphery face processing according to claim 1, is characterized in that: the alignment pin (3) in workpiece clamping table (1) is two, relative with the dowel hole of housing for timing gear.
7. the special combination drilling machine of housing for timing gear periphery face processing according to claim 1, is characterized in that: hydraulic chuck (5) is four, and is located at respectively the periphery of housing for timing gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646630.7U CN203636471U (en) | 2013-10-21 | 2013-10-21 | Special combination drilling machine for machining holes in outer peripheral surface of timing gear chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320646630.7U CN203636471U (en) | 2013-10-21 | 2013-10-21 | Special combination drilling machine for machining holes in outer peripheral surface of timing gear chamber |
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| Publication Number | Publication Date |
|---|---|
| CN203636471U true CN203636471U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320646630.7U Withdrawn - After Issue CN203636471U (en) | 2013-10-21 | 2013-10-21 | Special combination drilling machine for machining holes in outer peripheral surface of timing gear chamber |
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| Country | Link |
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| CN (1) | CN203636471U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586717A (en) * | 2013-10-21 | 2014-02-19 | 杭州德曼汽车零部件有限公司 | Machining method for forming holes in peripheral surface of housing of timing gear and special combination drilling machine for machining method |
| CN107443127A (en) * | 2017-08-01 | 2017-12-08 | 肇庆华信高精密机械有限公司 | A kind of compound angle organisation of working |
-
2013
- 2013-10-21 CN CN201320646630.7U patent/CN203636471U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586717A (en) * | 2013-10-21 | 2014-02-19 | 杭州德曼汽车零部件有限公司 | Machining method for forming holes in peripheral surface of housing of timing gear and special combination drilling machine for machining method |
| CN103586717B (en) * | 2013-10-21 | 2016-02-10 | 杭州德曼汽车零部件有限公司 | The processing method of a kind of housing for timing gear periphery face and special combination drilling machine thereof |
| CN107443127A (en) * | 2017-08-01 | 2017-12-08 | 肇庆华信高精密机械有限公司 | A kind of compound angle organisation of working |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20160210 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |