CN105382581A - Steel plate spring rear lifting lug inner side surface milling fixture and rear lifting lug clamping method thereof - Google Patents
Steel plate spring rear lifting lug inner side surface milling fixture and rear lifting lug clamping method thereof Download PDFInfo
- Publication number
- CN105382581A CN105382581A CN201510929228.3A CN201510929228A CN105382581A CN 105382581 A CN105382581 A CN 105382581A CN 201510929228 A CN201510929228 A CN 201510929228A CN 105382581 A CN105382581 A CN 105382581A
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- China
- Prior art keywords
- hanger
- base
- lifting lug
- rear lifting
- milling fixture
- 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
- 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
- B23Q3/069—Work-clamping means for pressing workpieces against a work-table
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2270/00—Details of milling machines, milling processes or milling tools not otherwise provided for
- B23C2270/08—Clamping mechanisms or provision for clamping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses a steel plate spring rear lifting lug inner side surface milling fixture and a rear lifting lug clamping method thereof. The milling fixture comprises a stop pin, an upper locking handle, a sliding block, a locking seat, a pressure head, a front positioning seat, a front positioning shaft, a rear left mandrel, a rear left mandrel support, a spring, a rear right mandrel, a rear right mandrel support, a lower locking handle, a base and the like. A machined seat hole of a rear lifting lug serves as a positioning reference, and the outer contour of the rear lifting lug is clamped. The clamping method for machining the rear lifting lug comprises the following steps: mounting a front positioning mandrel and a rear positioning mandrel at first; then limiting by using the end surface of the mandrel supports and the stop pin; clamping the rear lifting lug by using the pressure head; and finally locking and fixing. The steel plate spring rear lifting lug inner side surface milling fixture and the rear lifting lug clamping method thereof have the characteristics of easiness and speediness in mounting, reliable positioning, high repeated accuracy, repeatability, convenience in use and the like; clamping and tool setting frequency is reduced; milling of two side surfaces can be finished by clamping at a time; production efficiency is high; requirements on machining precision can be met; machining quality and yield are guaranteed; machining cost is reduced; and demands on milling of rear lifting lugs in batches can be met.
Description
Technical field
The present invention relates to auto parts machinery and manufacture field, to particularly relate to after a kind of leaf spring hanger medial surface milling fixture and hanger clamping method thereafter.
Background technology
Automotive suspension is one of important assembly of automobile, the technology status of suspension and service behaviour, to Integral automobile performance important.Suspension system is usually by flexible member, and guider, shock absorber, cushion the part compositions such as fast and stabilizer antiroll bar, and flexible member often adopts leaf spring.Automobile leaf spring is the vitals of automobile suspension system, to vehicle complete vehicle technical performance and security performance most important.And leaf spring is usually supported on by forward and backward hanger and automotive frame is formed suspension and support, before and after it, hanger subjects automobile load, especially hanger main load bearing component especially after leaf spring, and condition of work is severe.Therefore, after leaf spring, the technical performance of crudy to steel plate spring assembly of hanger has material impact, this proposes high requirement to the processing technology of hanger after leaf spring, and how to improve the production and processing technology improving hanger after leaf spring, especially how ensureing the Milling Process precision of two sides, hanger rear end after leaf spring, is then the problem that those skilled in the art need to solve.
Summary of the invention
For the problems referred to above, the present invention to propose after a kind of leaf spring hanger medial surface milling fixture and hanger clamping method thereafter, the machining accuracy of hanger two medial surface after leaf spring can be guaranteed, after making leaf spring, the crudy of hanger meets the operating accuracy of automobile, serviceability and life requirements, to solve the deficiencies in the prior art.
The technical solution used in the present invention is:
Hanger medial surface milling fixture after a kind of leaf spring, comprise backing pin, upper set lever, slide block, locking bed, pressure head, prelocalization seat, prelocalization axle, rear left axle, rear left axle bearing, spring, rear right axle, rear right axle bearing, lower set lever, base, described prelocalization axle is arranged on prelocalization seat, prelocalization seat is stretched out in its front end, and its rear end is locked by nut collar and prelocalization seat 6 end face; Described pressure head is arranged in locking bed, can relative to locking bed vertically movement, and described slide block is arranged in locking bed, and is slidably matched with locking bed, can move horizontally relative to locking bed; Described backing pin is arranged on base boss, its step end face and base boss plane contact, and is connected with whorl of base by the threaded portion that bottom is arranged; Described rear left axle is arranged on rear left axle bearing, and rear left axle bearing is stretched out in its front end, and its rear end is locked by nut collar and rear left axle bearing 10 end face; Described rear right axle is arranged on rear right axle bearing, rear right axle bearing is stretched out in its front end, its rear end is fixedly connected with lower set lever, in the middle part of described rear right axle, spring is housed, and the two ends of described spring are close to right axle step and rear right axle seat end surface respectively.
After using this leaf spring, hanger medial surface milling fixture carries out a method for rear hanger clamping, it is characterized in that: comprise the following steps:
1). rear hanger front end to be processed is placed on the boss of base 15;
2). side, rear hanger front end to be processed bore is penetrated on prelocalization axle, makes rear hanger front end outer side face be close to prelocalization seat end face simultaneously;
3). on base boss, load backing pin, another lateral surface of rear hanger front end to be processed is close to this backing pin and makes formation linear contact lay;
4). rear left axle is inserted in bore side, rear hanger rear end to be processed, and is fitted with rear left axle bearing, rear right axle seat end surface in both sides, rear hanger rear end simultaneously;
5). pull lower set lever 14, make rear right axle front end insert rear hanger rear end to be processed bore opposite side, and locked.
6). pull set lever 2, make pressure head compress rear hanger front end to be processed, and locked.
7). check each threaded connection place and whether lock non-loosening.In this way, clamping terminates; Otherwise, be locked.
Operation principle of the present invention is that after utilizing, hanger has processed bore as positioning datum, and it is spacing to utilize outer surface to carry out, first front end bore is inserted in prelocalization axle, and make its end face be close to prelocalization seat inner side end, simultaneously by rear end bore rear left axle, rear right axle inserts location, guarantee that rear hanger adds the clamping and positioning in man-hour, spacing to side, front end with backing pin again, and by time, rear hanger hole to be drilled is fixed on base, by apotting spindle, bore is processed to hanger front end and carried out centre bore location, be fixedly clamped by pressure head again, the location of workpiece is completely fixed.
Because the rear end bore of rear hanger to be processed is located by two axles, and bore two sides are spacing by left and right axle bearing, its side, front end bore is located by prelocalization axle, opposite side is spacing by backing pin, and plane is compressed by pressure head on rear hanger front end, therefore the present invention defines four sides-holes locating clip clamping system to rear hanger to be processed, its freedom of workpiece is limited completely, therefore reliable clamping is located, accurate positioning, can guide Milling Process, and can complete two sides Milling Process by clamped one time, eliminate clamping error, positioning precision is high.
Compared to existing technology, the present invention has the features such as installation is simple and direct, location is reliable, repeatable accuracy is high, reusable, easy to use, decrease clamping tool setting number of times, clamped one time can complete two sides Milling Process, production efficiency is high, can meet requirement on machining accuracy, ensure that crudy and yield rate, reduce processing cost, rear hanger Milling Process needs in enormous quantities can be met.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention
Fig. 2 is side-looking structural representation of the present invention
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Hanger medial surface milling fixture after a kind of leaf spring, see accompanying drawing 1-2, comprise backing pin 1, upper set lever 2, slide block 3, locking bed 4, pressure head 5, prelocalization seat 6, prelocalization axle 7, rear left axle 9, rear left axle bearing 10, spring 11, rear right axle 12, rear right axle bearing 13, lower set lever 14, base 15, described prelocalization axle 7 is arranged on prelocalization seat 6, prelocalization seat 6 is stretched out in its front end, its rear end is locked by nut collar and prelocalization seat 6 end face, described prelocalization seat 6 is arranged on base 15, and is fixedly connected with base 15;
Described pressure head 4 is arranged in locking bed 4, and this pressure head 4 rear end face is provided with the inclined-plane coordinated with slide block 3, can relative to locking bed 4 vertically movement, and described slide block 3 front end has the inclined-plane coordinated with pressure head 4, and its rear end is fixedly connected with upper set lever.This slide block 3 is arranged in locking bed 4, and is slidably matched with locking bed 4, can move horizontally relative to locking bed 4, and its inclined-plane coordinates with the formation inclined-plane, inclined-plane of described pressure head 4;
Described locking bed is arranged on base boss, and is fixedly connected with base;
Described backing pin 1 is arranged on the boss of base 15, the boss plane contact of its step end face and base 15, and is threaded with base 15 by the threaded portion that bottom is arranged;
Described rear left axle 9 is arranged on rear left axle bearing 10, rear left axle bearing 10 is stretched out in its front end, its rear end is locked by nut collar and rear left axle bearing 10 end face, and described rear left axle bearing 10 is arranged on base 15, and is fixedly connected with base 15 by bolt;
Described rear right axle 12 is arranged on rear right axle bearing 13, rear right axle bearing 13 is stretched out in its front end, its rear end is fixedly connected with lower set lever 14, in the middle part of described rear right axle 12, spring 11 is housed, the two ends of described spring 11 are close to right axle 12 step and rear right axle bearing 13 end face respectively, described rear right axle bearing 13 is arranged on base 15, and is fixedly connected with base 15 by bolt;
After using leaf spring, hanger medial surface milling fixture carries out a method for rear hanger clamping, it is characterized in that: comprise the following steps:
1). rear hanger front end to be processed is placed on the boss of base 15;
2). side, rear hanger front end to be processed bore is penetrated on prelocalization axle, makes rear hanger front end outer side face be close to prelocalization seat end face simultaneously;
3). on base boss, load backing pin, another lateral surface of rear hanger front end to be processed is close to this backing pin and makes formation linear contact lay;
4). rear left axle is inserted in bore side, rear hanger rear end to be processed, and is fitted with rear left axle bearing, rear right axle seat end surface in both sides, rear hanger rear end simultaneously;
5). pull lower set lever 14, make rear right axle front end insert rear hanger rear end to be processed bore opposite side, and locked.
6). pull set lever 2, make pressure head compress rear hanger front end to be processed, and locked.
7). check each threaded connection place and whether lock non-loosening.In this way, clamping terminates; Otherwise, be locked.
Four long slot bores that this milling fixture can be arranged by base 15 are fixed on milling machine, after need processing after hanger clamping, and can hanger two medial surface after milling.
Because the rear end bore of rear hanger to be processed is located by two axles, and bore two sides are spacing by left and right axle bearing, its side, front end bore is located by prelocalization axle, opposite side is spacing by backing pin, and plane is compressed by pressure head on rear hanger front end, therefore the present invention defines four sides-holes locating clip clamping system to rear hanger to be processed, its freedom of workpiece is limited completely, therefore reliable clamping is located, milling can be positioned, and machining accuracy fully can meet process specifications, the milling of rear hanger medial surface batch machining can be adapted to.
Claims (8)
1. hanger medial surface milling fixture after a leaf spring, it is characterized in that: comprise backing pin, upper set lever, slide block, locking bed, pressure head, prelocalization seat, prelocalization axle, rear left axle, rear left axle bearing, spring, rear right axle, rear right axle bearing, lower set lever, base, described prelocalization axle is arranged on prelocalization seat, prelocalization seat is stretched out in its front end, and its rear end is locked by nut collar and prelocalization seat 6 end face; Described pressure head is arranged in locking bed, can relative to locking bed vertically movement, and described slide block is arranged in locking bed, and is slidably matched with locking bed, can move horizontally relative to locking bed; Described backing pin is arranged on base boss, its step end face and base boss plane contact, and is connected with whorl of base by the threaded portion that bottom is arranged; Described rear left axle is arranged on rear left axle bearing, and rear left axle bearing is stretched out in its front end, and its rear end is locked by nut collar and rear left axle bearing 10 end face; Described rear right axle is arranged on rear right axle bearing, rear right axle bearing is stretched out in its front end, its rear end is fixedly connected with lower set lever, in the middle part of described rear right axle, spring is housed, and the two ends of described spring are close to right axle step and rear right axle seat end surface respectively.
2. hanger medial surface milling fixture after a kind of leaf spring according to claim 1, is characterized in that: described locking bed is arranged on base boss, and is fixedly connected with base.
3. hanger medial surface milling fixture after a kind of leaf spring according to claim 1, is characterized in that: described prelocalization seat is arranged on base, and is fixedly connected with base.
4. hanger medial surface milling fixture after a kind of leaf spring according to claim 1, it is characterized in that: described slip front has the inclined-plane coordinated with pressure head, its rear end is fixedly connected with upper set lever.
5. hanger medial surface milling fixture after a kind of leaf spring according to claim 1, it is characterized in that: described pressure head rear end face is provided with the inclined-plane coordinated with slide block, and coordinate with slide block inclined-plane, under the driving of slide block, can move both vertically relative to locking bed.
6. hanger medial surface milling fixture after a kind of leaf spring according to claim 1, is characterized in that: described described rear left axle bearing settlement on base, and is fixedly connected with base 15 by bolt.
7. hanger medial surface milling fixture after a kind of leaf spring according to claim 1, is characterized in that: described rear right axle bearing settlement on base, and is fixedly connected with base by bolt.
8. after using leaf spring, hanger medial surface milling fixture carries out a method for rear hanger clamping, it is characterized in that: comprise the following steps:
1). rear hanger front end to be processed is placed on the boss of base 15;
2). side, rear hanger front end to be processed bore is penetrated on prelocalization axle, makes rear hanger front end outer side face be close to prelocalization seat end face simultaneously;
3). on base boss, load backing pin, another lateral surface of rear hanger front end to be processed is close to this backing pin and makes formation linear contact lay;
4). rear left axle is inserted in bore side, rear hanger rear end to be processed, and is fitted with rear left axle bearing, rear right axle seat end surface in both sides, rear hanger rear end simultaneously;
5). pull lower set lever 14, make rear right axle front end insert rear hanger rear end to be processed bore opposite side, and locked.
6). pull set lever 2, make pressure head compress rear hanger front end to be processed, and locked.
7). check each threaded connection place and whether lock non-loosening.In this way, clamping terminates; Otherwise, be locked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510929228.3A CN105382581B (en) | 2015-12-11 | 2015-12-11 | Milling fixture for inner side surface of rear lifting lug of steel plate spring and clamping method for rear lifting lug of steel plate spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510929228.3A CN105382581B (en) | 2015-12-11 | 2015-12-11 | Milling fixture for inner side surface of rear lifting lug of steel plate spring and clamping method for rear lifting lug of steel plate spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105382581A true CN105382581A (en) | 2016-03-09 |
| CN105382581B CN105382581B (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510929228.3A Active CN105382581B (en) | 2015-12-11 | 2015-12-11 | Milling fixture for inner side surface of rear lifting lug of steel plate spring and clamping method for rear lifting lug of steel plate spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105382581B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098398A (en) * | 2016-11-24 | 2018-06-01 | 上海国上机电科技有限公司 | A kind of processing bearing pin numerical control attachment device |
| CN108340173A (en) * | 2018-03-02 | 2018-07-31 | 苏州市昌星模具机械有限公司 | A kind of efficient high-precision fixture and its clamping method of undercarriage holder |
| CN109158918A (en) * | 2018-11-08 | 2019-01-08 | 衡阳市振洋汽车配件有限公司 | Ears part groove milling process special fixture |
| CN109926617A (en) * | 2019-03-14 | 2019-06-25 | 广西科技大学 | A kind of spring shackle class part bores hole fixture up and down simultaneously |
| CN111070126A (en) * | 2019-12-23 | 2020-04-28 | 天津市航宇嘉瑞科技股份有限公司 | Combined clamping tool for processing irregular rocker arm product |
| CN111366122A (en) * | 2018-12-26 | 2020-07-03 | 河南森源重工有限公司 | Frame longitudinal beam flatness measuring method and frame positioning detection tool |
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| CN201880965U (en) * | 2010-10-24 | 2011-06-29 | 郧西县神风实业有限公司 | Lock pin hole clamp of front-back fixed end bracket/lifting lug end bracket |
| CN202292175U (en) * | 2011-09-17 | 2012-07-04 | 林州市正和铸业有限公司 | Steel plate pin locking device of steel plate shackle bracket |
| CN202846224U (en) * | 2012-11-13 | 2013-04-03 | 黑龙江八一农垦大学 | Clamp after rough mill on inner side end face of leaf spring shackle |
| CN202894837U (en) * | 2012-11-28 | 2013-04-24 | 黑龙江八一农垦大学 | Clamp for machining phi-30mm auxiliary hole of rear leaf spring shackle |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060131821A1 (en) * | 2004-12-16 | 2006-06-22 | Carrier Charles W | Machining fixture for centering and holding workpiece |
| CN201880965U (en) * | 2010-10-24 | 2011-06-29 | 郧西县神风实业有限公司 | Lock pin hole clamp of front-back fixed end bracket/lifting lug end bracket |
| CN202292175U (en) * | 2011-09-17 | 2012-07-04 | 林州市正和铸业有限公司 | Steel plate pin locking device of steel plate shackle bracket |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098398A (en) * | 2016-11-24 | 2018-06-01 | 上海国上机电科技有限公司 | A kind of processing bearing pin numerical control attachment device |
| CN108340173A (en) * | 2018-03-02 | 2018-07-31 | 苏州市昌星模具机械有限公司 | A kind of efficient high-precision fixture and its clamping method of undercarriage holder |
| CN108340173B (en) * | 2018-03-02 | 2023-12-12 | 苏州市昌星模具机械有限公司 | Efficient high-precision clamp for aircraft landing gear support and clamping method of efficient high-precision clamp |
| CN109158918A (en) * | 2018-11-08 | 2019-01-08 | 衡阳市振洋汽车配件有限公司 | Ears part groove milling process special fixture |
| CN111366122A (en) * | 2018-12-26 | 2020-07-03 | 河南森源重工有限公司 | Frame longitudinal beam flatness measuring method and frame positioning detection tool |
| CN109926617A (en) * | 2019-03-14 | 2019-06-25 | 广西科技大学 | A kind of spring shackle class part bores hole fixture up and down simultaneously |
| CN109926617B (en) * | 2019-03-14 | 2024-02-27 | 广西科技大学 | Clamp for simultaneously drilling upper holes and lower holes on spring lifting lug parts |
| CN111070126A (en) * | 2019-12-23 | 2020-04-28 | 天津市航宇嘉瑞科技股份有限公司 | Combined clamping tool for processing irregular rocker arm product |
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| CN105382581B (en) | 2020-11-24 |
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