CN104057336A - Precise numerical control milling machining clamp for swash plate type parts of servo mechanism oil pump - Google Patents
Precise numerical control milling machining clamp for swash plate type parts of servo mechanism oil pump Download PDFInfo
- Publication number
- CN104057336A CN104057336A CN201410304760.1A CN201410304760A CN104057336A CN 104057336 A CN104057336 A CN 104057336A CN 201410304760 A CN201410304760 A CN 201410304760A CN 104057336 A CN104057336 A CN 104057336A
- Authority
- CN
- China
- Prior art keywords
- hole
- pulling block
- pin
- base
- mount pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
Abstract
The invention discloses a precise numerical control milling machining clamp for swash plate type parts of a servo mechanism oil pump. The precise numerical control milling machining clamp comprises an installing seat, a pull block and a chuck seat, wherein the lower end surface of the installing seat is provided with a cross key slot, the installing seat and the pull block as well as the pull block and the chuck seat are respectively positioned through pins and are fixedly connected through screw bolts, the middle of the pull block is provided with a step hole, the hole diameter of the hole, near the upper end surface, of the step hole is smaller than that of the hole near the lower end surface, a downward pull screw bolt is arranged in the step hole, a lug boss is arranged on a bottom plate of the chuck seat, the middle of the chuck seat is provided with a through square hole, the periphery of the lug boss is provided with screw holes penetrating through the square hole, and lateral fastening screws are arranged in the screw holes, wherein the downward pull screw bolt extends into the square hole. The precise numerical control milling machining clamp has the advantages that the positioning is stable, the installation and the clamping are convenient, in addition, the multi-molded-surface processing can be completed through once installation and clamping, and the dimensional precision and the form and position precision of the parts can be guaranteed.
Description
Technical field
The invention belongs to Machining Technology field, particularly a kind of for servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture.
Background technology
Weak rigidity special-shaped structural part, contour structures is irregular, and dimensional accuracy, the accuracy of form and position require high.Traditional handicraft method is served as theme mainly with car, milling, mill.Because conventional equipment working ability is limited, process degree is low, clamped one time can only complete less processing content, and in view of this design of part uniqueness, complete the processing of many types of and bulk, space angle, relate to various common process equipment (lathe, milling machine, grinding machine), every procedure all needs to manufacture and design different special toolings could realize the processing to part.Upper at conventional equipment (lathe, milling machine, grinding machine), therefore need to be equipped with many cover special toolings.
Branch's processing relates to the multiple conversions of benchmark, is prone to accumulated error.The accuracy of form and position of part, particularly positional precision rely on the accuracy of manufacture of special tooling completely, its special tooling complex structure, and the accuracy of manufacture requires high, and difficulty of processing is large.And the multiple tracks critical process of part need rely on technician's s virtuosity to ensure, requires high to operating personnel's level of skill.The product development cycle is long, production efficiency is low, and quality stability is not high.
Manufacturing technology fast development at present, adopting Numeric Control Technology to realize the maximum of processing integrated is to improve crudy reliability, shortens production procedure, promotes the important directions of working (machining) efficiency.Therefore according to the weak rigidity labyrinth of this part, adopt numerical control, integrated, modular technical flow design scheme, improve the numerical control rate of precision element and the integrated level of processing, can realize the former plurality of devices processing content of this part and once in clamping, all realize on numerical control device.But the process for numerical control maximizes requirement, needs Design Orientation clamping reliable, meet weak many features of hard parts labyrinth machining demand, and can reliably realize the special tooling of design high precision technology index.
Summary of the invention
The object of the present invention is to provide a kind of positioning stablity, convenient mounting and clamping, and clamped one time can complete many types of processing, can ensure parts size precision and the accuracy of form and position for servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture.
The technical solution that realizes the object of the invention is:
A kind of for servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture, comprise mount pad, pulling block and base of the carrier head, wherein, the lower surface of mount pad is provided with cross keyway, mount pad and pulling block and pulling block and base of the carrier head are all by finger setting, and be connected by bolt, the centre of pulling block is provided with stepped hole, stepped hole is less than the aperture near the hole of lower surface near the aperture in the hole of upper surface, in stepped hole, be provided with drop-down bolt, on the base plate of base of the carrier head, be provided with boss, the centre of base of the carrier head is provided with the square hole running through, the surrounding of boss is provided with the screw running through with square hole, in screw, be provided with the tight screw of side, wherein, drop-down bolt extend in square hole.
The present invention compared with prior art, its remarkable advantage:
(1) clamped one time of the present invention can complete many types of processing, has both met the rigidity requirement of chucking appliance system, avoids again process system to interfere, and guarantees product quality.
(2) low cost of manufacture of the present invention, substitutes original many cover frocks, convenient mounting and clamping, and one time centering can complete batch machining, has reduced processing cost, has improved working (machining) efficiency.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is that the present invention is for servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture blast structural representation.
Fig. 2 is the parts fixation design sketch of the present invention for servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture.
Detailed description of the invention
In conjunction with Fig. 1 and Fig. 2:
The present invention is a kind of for servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture, comprise mount pad 1, pulling block 4 and base of the carrier head 7, wherein, mount pad 1 and pulling block 4 and pulling block 4 and base of the carrier head 7 are all by finger setting, and be connected by bolt, the centre of pulling block 4 is provided with stepped hole, stepped hole is less than the aperture near the hole of lower surface near the aperture in the hole of upper surface, in stepped hole, be provided with drop-down bolt 3, on the base plate of base of the carrier head 7, be provided with boss, the centre of base of the carrier head 7 is provided with the square hole running through, the surrounding of boss is provided with the screw running through with square hole, in screw, be provided with the tight screw 6 of side, wherein, drop-down bolt 3 extend in square hole.
The upper surface of mount pad 1 is provided with two and does not run through pin-and-hole and do not run through installation screw, pulling block 4 is being provided with and is running through installation screw with the position that installation screw is corresponding do not run through of mount pad 1, the lower surface of pulling block 4 arranges two and does not run through pin-and-hole not running through the corresponding position of pin-and-hole with two of mount pad 1 upper surface, positioning and directing pin 2 respectively with the upper surface of mount pad 1 do not run through pin-and-hole and pulling block 4 lower surfaces do not run through pin-and-hole matched in clearance, the upper surface of pulling block 4 arranges two and does not run through pin-and-hole with lower surface pin-and-hole staggers, base of the carrier head 7 is being provided with and is running through installation screw with the position that installation screw is corresponding run through of pulling block 4, base of the carrier head 7 is provided with two and runs through pin-and-hole not running through with two of pulling block 4 upper surfaces position that pin-and-hole is corresponding, interference pin 5 runs through pin-and-hole matched in clearance with not running through of pulling block 4 upper surfaces on pin-and-hole and base of the carrier head 7 respectively, housing screw 8 is through the installation screw on base of the carrier head 7 and the installation screw on pulling block 4 and screw in the installation screw on mount pad 1, by mount pad 1, pulling block 4 and base of the carrier head 7 are connected.
Installation screw on mount pad 1, pulling block 4 and base of the carrier head 7 is provided with four, is distributed on the surrounding of mount pad 1, pulling block 4 and base of the carrier head 7 base plates.
Using method of the present invention:
Mount pad 1 is positioned in the basic blocks of numerical control device work top by the cross keyway of baseplane, and is bolted connection.Part inserts in the square hole of base of the carrier head 1 with cubic profile, by drop-down bolt 3, part is fastenedly connected at pulling block 4 intermediate step hole places, and auxiliary fastening with the tight screw 6 of side of base of the carrier head 7 surroundings; Then two pin-and-holes of pulling block 4 lower surfaces are arranged on mount pad on two positioning and directing pins 2, locking housing screw 8, completes parts fixation, can carry out part processing.
Embodiment:
The part feature that need clamp belongs to typical weak hard parts, be hollow, demihull shape, due to the poor rigidity of part itself, for making form and position tolerance and the surface roughness of firm performance guarantee digital control processing of whole process system, can avoid again the interference between part, fixture, cutter three simultaneously, design technology clamping device is the two pull-type numerical control clamps in top one, meets the integrated processing needs of numerical control.Its clamp body comprises: mount pad 1, positioning and directing pin 2, drop-down bolt 3, pulling block 4, interference pin 5, the tight screw 6 of side, base of the carrier head 7, housing screw 8.
Mount pad 1 is positioned in the basic blocks of numerical control device work top by the cross keyway of baseplane, and is bolted connection.The upper surface of mount pad 1 is provided with two pin-and-holes and four installation screws, and positioning and directing pin 2 is force-fitted in mount pad; Pulling block 4 is provided with four installation screws that run through, its position is corresponding with the installation screw on mount pad, pulling block Shang Xia 4 both ends of the surface be respectively provided with two pin-and-holes that do not run through, and be interlaced arrangement, centre is provided with stepped hole, positioning and directing pin 2 matched in clearance on two pin-and-holes and the mount pad 1 of its lower surface, are convenient to dismounting; Base of the carrier head 7 lower end back-plane design become the tetragonal corresponding with pulling block 4, upper end is provided with tetragonal four boss structures that angle is arc, to avoid interfering for reserved bolt installation site, the base plate of base of the carrier head 7 is provided with four installation screws that run through, two pin-and-holes that run through, centers are cubic locating hole, by two interference pins 5, base of the carrier head 7 is connected on pulling block 4; Part is positioned at cubic profile in the square hole of base of the carrier head 7, by drop-down bolt 3, part is fastenedly connected at pulling block 4 intermediate step hole places, and auxiliary fastening with the tight screw 6 of side of both sides on base of the carrier head 7, drop-down bolt 3 links into an integrated entity part and pulling block 4, base of the carrier head 7, position orientation by two positioning and directing pins 2 on mount pad 1 with the pin-and-hole of pulling block 4 lower surfaces again, four housing screws 8 are fastened in four screws of mount pad 1 by the installing hole of base of the carrier head 1, pulling block 4, complete parts fixation.
Claims (3)
1. one kind for servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture, it is characterized in that: comprise mount pad (1), pulling block (4) and base of the carrier head (7), wherein, the lower surface of mount pad (1) is provided with cross keyway, mount pad (1) and pulling block (4) and pulling block (4) and base of the carrier head (7) are all by finger setting, and be connected by bolt, the centre of pulling block (4) is provided with stepped hole, stepped hole is less than the aperture near the hole of lower surface near the aperture in the hole of upper surface, in stepped hole, be provided with drop-down bolt (3), on the base plate of base of the carrier head (7), be provided with boss, the centre of base of the carrier head (7) is provided with the square hole running through, the surrounding of boss is provided with the screw running through with square hole, in screw, be provided with the tight screw of side (6), wherein, drop-down bolt (3) extend in square hole.
2. according to claim 1 for servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture, it is characterized in that: the upper surface of described mount pad (1) is provided with two and does not run through pin-and-hole and do not run through installation screw, pulling block (4) is being provided with and is running through installation screw with the position that installation screw is corresponding do not run through of mount pad (1), the lower surface of pulling block (4) arranges two and does not run through pin-and-hole not running through the corresponding position of pin-and-hole with two of mount pad (1) upper surface, positioning and directing pin (2) respectively with the upper surface of mount pad (1) do not run through pin-and-hole and pulling block (4) lower surface do not run through pin-and-hole matched in clearance, the upper surface of pulling block (4) arranges two and does not run through pin-and-hole with lower surface pin-and-hole staggers, base of the carrier head (7) is being provided with and is running through installation screw with the position that installation screw is corresponding run through of pulling block (4), base of the carrier head (7) is provided with two and runs through pin-and-hole not running through with two of pulling block (4) upper surface position that pin-and-hole is corresponding, interference pin (5) runs through pin-and-hole matched in clearance with not running through of pulling block (4) upper surface on pin-and-hole and base of the carrier head (7) respectively, housing screw (8) is through the installation screw on base of the carrier head (7) and the installation screw on pulling block (4) and screw in the installation screw on mount pad (1), by mount pad (1), pulling block (4) and base of the carrier head (7) are connected.
3. according to claim 1 for servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture, it is characterized in that: the installation screw on described mount pad (1), pulling block (4) and base of the carrier head (7) is provided with four, be distributed on the surrounding of mount pad (1), pulling block (4) and base of the carrier head (7) base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304760.1A CN104057336B (en) | 2014-06-30 | 2014-06-30 | For servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410304760.1A CN104057336B (en) | 2014-06-30 | 2014-06-30 | For servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104057336A true CN104057336A (en) | 2014-09-24 |
| CN104057336B CN104057336B (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410304760.1A Active CN104057336B (en) | 2014-06-30 | 2014-06-30 | For servo control mechanism oil pump swash plate class machine parts'precise NC Milling fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104057336B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877210A (en) * | 2017-12-16 | 2018-04-06 | 贵州航天风华精密设备有限公司 | A kind of fixture for the coaxial special-shaped hole machined of multilayer part |
| CN110026795A (en) * | 2019-05-07 | 2019-07-19 | 瑞鹄汽车模具股份有限公司 | A kind of workpiece NC processing and loading clamp cushion block and the clamping method using the cushion block |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2523492A1 (en) * | 1982-03-22 | 1983-09-23 | Renault | Work clamp for machine tool - uses centring guide with conical body and domed in conjunction with guide barrel on slides |
| JPH07204960A (en) * | 1994-01-11 | 1995-08-08 | Inax Corp | Structure for fixing workpiece having weak strength |
| CH692010A5 (en) * | 1997-09-09 | 2002-01-15 | Erowa Ag | Device for clamping and alignment of tool or workpiece in relation to reference base has upper part for clamping the tool or workpiece, lower part for fixture to reference base and devices for connecting upper and lower parts |
| CN202240550U (en) * | 2011-08-10 | 2012-05-30 | 龙工（上海）桥箱有限公司 | Tool for machining inclined plate of variable piston pump |
| CN203141127U (en) * | 2013-01-15 | 2013-08-21 | 佛山市星光传动机械有限公司 | No-clearance self-centering clamping device for pin wheel housing of speed reducer |
| CN203665173U (en) * | 2013-12-30 | 2014-06-25 | 南京六合煤矿机械有限责任公司 | Inclined disc transmission shaft machining clamp |
-
2014
- 2014-06-30 CN CN201410304760.1A patent/CN104057336B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2523492A1 (en) * | 1982-03-22 | 1983-09-23 | Renault | Work clamp for machine tool - uses centring guide with conical body and domed in conjunction with guide barrel on slides |
| JPH07204960A (en) * | 1994-01-11 | 1995-08-08 | Inax Corp | Structure for fixing workpiece having weak strength |
| CH692010A5 (en) * | 1997-09-09 | 2002-01-15 | Erowa Ag | Device for clamping and alignment of tool or workpiece in relation to reference base has upper part for clamping the tool or workpiece, lower part for fixture to reference base and devices for connecting upper and lower parts |
| CN202240550U (en) * | 2011-08-10 | 2012-05-30 | 龙工（上海）桥箱有限公司 | Tool for machining inclined plate of variable piston pump |
| CN203141127U (en) * | 2013-01-15 | 2013-08-21 | 佛山市星光传动机械有限公司 | No-clearance self-centering clamping device for pin wheel housing of speed reducer |
| CN203665173U (en) * | 2013-12-30 | 2014-06-25 | 南京六合煤矿机械有限责任公司 | Inclined disc transmission shaft machining clamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107877210A (en) * | 2017-12-16 | 2018-04-06 | 贵州航天风华精密设备有限公司 | A kind of fixture for the coaxial special-shaped hole machined of multilayer part |
| CN110026795A (en) * | 2019-05-07 | 2019-07-19 | 瑞鹄汽车模具股份有限公司 | A kind of workpiece NC processing and loading clamp cushion block and the clamping method using the cushion block |
| CN110026795B (en) * | 2019-05-07 | 2020-07-07 | 瑞鹄汽车模具股份有限公司 | Workpiece NC machining clamping cushion block and clamping method using cushion block |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104057336B (en) | 2016-04-20 |
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