CN109940197B - Axle housing flange two-way drilling clamping device - Google Patents
Axle housing flange two-way drilling clamping device Download PDFInfo
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- CN109940197B CN109940197B CN201910358585.7A CN201910358585A CN109940197B CN 109940197 B CN109940197 B CN 109940197B CN 201910358585 A CN201910358585 A CN 201910358585A CN 109940197 B CN109940197 B CN 109940197B
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- push rod
- centering
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Abstract
The invention discloses a two-way drilling and clamping device for an axle housing flange, which comprises two centering clamping seats and a central support, wherein the centering clamping seats are positioned at two sides of the central support, a flange for clamping the axle housing is close to a shaft neck at one side of the center of the axle housing, each centering clamping seat comprises a guide plate, two guide rods and two V-shaped blocks, the guide plates are positioned at the bottom, the normal directions of two clamping surfaces of the V-shaped blocks point to the center of a shaft of the axle housing, the guide rods can be far away from and close to the axle housing, the central support is positioned at the center of a special machine tool, a guide sleeve is arranged at the center of the upper part of the central support, the guide sleeve is in a cylindrical shape with two open ends, a push rod is inserted in the guide sleeve, a rectangular plate is arranged at the top end of; and a spring is connected between the ejector rod and the push rod. The invention has simple clamping mode, stable structure and simple and convenient operation, reduces the time for mounting and dismounting and improves the processing precision.
Description
Technical Field
The invention belongs to the field of machine tools, and particularly relates to a bidirectional drilling and clamping device for an axle housing flange.
Background
The axle housing is used for mounting a main speed reducer, a differential mechanism, a half shaft and a wheel assembly base body, and is mainly used for supporting and protecting the main speed reducer, the differential mechanism, the half shaft and the like. The axle housing is a rigid hollow beam supported on left and right driving wheels, and the driving components of main speed reducer, differential mechanism and half axle are all mounted in the axle housing, and the axle housing is connected with vehicle frame or carriage by means of longitudinal steel plate spring. It is an important component of the drive axle and one of the main components of the drive train. The transaxle case should have sufficient strength and rigidity and facilitate the disassembly and assembly of the final drive.
As shown in the attached figure 1 of the specification, the total length of the axle housing is more than 2 meters, flanges for connection are arranged at two ends of the axle housing, and small holes are uniformly and annularly arranged on the flanges. In order to ensure the vertical precision and the positioning precision of the small hole and improve the production efficiency, the company develops a special bidirectional drilling machine tool as shown in the attached figure 2 of the specification. And to the axle housing of length more than 2 meters, because weight is great, and need guarantee the levelness of centre gripping, anticreep nature, stability in the course of working to and the axle housing according to different specifications will be convenient for adjust, and traditional anchor clamps are difficult to realize these requirements.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that when axle housing flange holes are subjected to bidirectional drilling and machining, due to the fact that the axle housing is heavy and long, the traditional clamp is high in horizontal calibration energy consumption, waste products are easily caused by vibration in the machining process, and the axle housing with different specifications is inconvenient to adjust in machining.
In order to solve the technical problem, the invention provides a bidirectional drilling and clamping device for an axle housing flange, which comprises two centering clamping seats and a central bracket,
the centering clamping seats are positioned at two sides of the central bracket, a flange for clamping the axle housing is close to a shaft neck at one side of the center of the axle housing, each centering clamping seat comprises a guide plate, two guide rods and two V-shaped blocks,
the deflector is located the bottom, the guide bar is located the deflector top, and divide separately in axle housing both sides and to the axle housing, the V type piece is installed in the guide bar front end, and with the axle housing contact, two clamping face normal direction of V type piece point to the center of the axle of axle housing, the guide bar can be kept away from and be close to the axle housing,
one tail end of the guide rod of each centering clamping seat is fixedly connected with a push-pull plate, the push-pull plate is driven by a telescopic shaft of a hydraulic oil cylinder to perform linear reciprocating motion, the hydraulic oil cylinder is fixed on a side baffle of the centering clamping seat, and the hydraulic oil cylinder is connected with a hydraulic pump; the tail end of the other guide rod is provided with a rack which is meshed with a gear shaft below the rack, the gear shaft rotates to drive the guide rod to reciprocate,
the bottom of the centering clamping seat is fixedly connected with the sliding table through a connecting plate, the sliding table can horizontally and transversely reciprocate on the sliding seat, so that the distance between the two centering clamping seats is driven to be adjusted to match axle housings with different flange distances, the centering clamping seat further comprises a transverse blocking device, the transverse blocking device is tightly attached to the flanges of the axle housings,
the center support is positioned at the center of the special machine tool, a guide sleeve is arranged at the center of the upper part of the center support, the guide sleeve is cylindrical with openings at two ends, a push rod is inserted in the guide sleeve, a rectangular plate is arranged at the top end of the push rod, and the rectangular plate supports a reinforcing ring at the center of the axle housing; two supporting plates are mounted on two sides of the upper portion of the central support, a supporting bolt is screwed into each supporting plate, a round pad is mounted at the tail end of each supporting bolt, and the round pads are in contact with a reinforcing ring in the center of the axle housing; the circular base is arranged on the lower half portion of the central support and located under the guide sleeve, the ejector rod is arranged at the center of the base, and a spring is connected between the ejector rod and the push rod.
Further, in order to ensure stability, two equal-height blocks are arranged on each V-shaped block, and the equal-height blocks are consistent in thickness and face to the center of the axle housing contacted with the equal-height blocks.
Further, horizontal check stop device is the side locating plate, the side locating plate be located the deflector top axle housing below, the side location is fixed through the rhombus round pin on the centering holder.
Further, the fixing base is installed through the bolt to slide one end, install the screw rod on the fixing base, screw rod one end with the side of slip table is passed through the thread bush and is connected, the cover shell is installed to the screw rod other end, the cover shell can drive under motor drive the screw rod rotates, screw rod corotation or reversal can drive the slip table is kept away from or is close to the center support.
Further, in order to hold the lateral shifting distance accurately, the axle housing of the different specifications of clamping of being convenient for, install the pointer on the slide, be provided with the scale mark on the slip table, the pointer is directional the scale mark.
Further, in order to prevent that the push rod from descending too much and causing the perk of axle housing both ends, the push rod is provided with vertical stop device. Stop device includes stop screw, the latter half side of push rod is provided with the breach of rectangular shape, stop screw is inserted to the position that guide pin bushing and breach correspond, stop screw stretches into breach bottom on the push rod, works as when the push rod descends more, stop screw blocks the push rod.
The invention has the beneficial effects that:
the clamp is suitable for axle housings of different specifications, the transverse distance adjustment is accurate and convenient, the vertical adjustment is convenient, the flexible connection of the spring and the push rod is adopted, the stability is high, and the vertical precision and the positioning precision of small hole machining can be better ensured through the clamp.
Drawings
FIG. 1 is a perspective view of an axle housing of the prior art;
FIG. 2 is a schematic view of a machining tool dedicated for machining an axle housing in the background art;
FIG. 3 is a schematic front partially cut-away view of the axle housing flange bidirectional drilling clamping device of the present invention;
FIG. 4 is a schematic left-side cross-sectional view of the axle housing flange bidirectional drilling clamping device of the present invention.
In the figure: 1 centering holder, 2 connecting plates, 3 guide plates, 4 guide rods, 5V-shaped blocks, 6 equal-height blocks, 7 gear shafts, 8 central supports, 9 racks, 10 push-pull plates, 11 hydraulic oil cylinders, 12 baffle plates, 13 diamond-shaped pins, 14 side positioning plates, 15 casings, 16 sliding tables, 17 sliding seats, 18 pointers, 19 side positioning plates, 20 fixed seats, 21 threaded sleeves, 22 screw rods, 23 push rods, 24 supporting bolts, 25 supporting plates, 26 guide sleeves, 27 limiting screws, 28 ejector rods, 29 bases, 30 axle housings, 31 flanges, 32 springs and 33 bidirectional drilling and clamping devices.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 3 and 4, the axle housing flange bidirectional drilling and clamping device comprises two centering clamping seats 1 and a central bracket 8,
as shown in fig. 4, the centering holders 1 are located on both sides of the central support 8, and hold the axle housing 30 by flanges 31 near the axle journal on the central side of the axle housing 30, each centering holder 1 comprises a guide plate 3, two guide rods 4, two V-shaped blocks 5,
the deflector 3 is located the bottom, the guide bar 4 is located the deflector 3 top, and divide separately in axle housing 30 both sides and point to the axle housing 30, V type piece 5 is installed in the 4 front ends of guide bar, and with the contact of axle housing 30, two clamping face normal directions of V type piece 5 point to the center of the axle of axle housing 30, the guide bar 4 can be kept away from and be close to the axle housing 30,
one tail end of the guide rod 4 of each centering holder 1 is fixedly connected with a push-pull plate 10, the push-pull plate 10 is driven by a telescopic shaft of a hydraulic oil cylinder 11 to perform linear reciprocating motion, the hydraulic oil cylinder 11 is fixed on a side baffle 12 of the centering holder 1, and the hydraulic oil cylinder 11 is connected with a hydraulic pump; the tail end of the other guide rod 4 is provided with a rack 9, the rack 9 is meshed with a gear shaft 7 below, the gear shaft 7 rotates to drive the guide rod 4 to reciprocate,
the bottom of the centering holder 1 is fixedly connected with the sliding table 16 through the connecting plate 2, the sliding table 16 can horizontally and transversely reciprocate on the sliding base 17, so that the distance between the two centering holders 1 is driven to be adjusted to match the axle housings 30 with different distances between flanges 31, the centering holder 1 further comprises a transverse blocking device, the transverse blocking device is tightly attached to the flanges 31 of the axle housings 30,
as shown in fig. 3, the central support 8 is located at the center of the special machine tool, a guide sleeve 26 is installed at the center of the upper portion of the central support 8, the guide sleeve 26 is cylindrical with openings at two ends, a push rod 23 is inserted into the guide sleeve 26, a rectangular plate is installed at the top end of the push rod 23, and the rectangular plate supports a reinforcing ring at the center of the axle housing 30; two supporting plates 25 are mounted on two sides of the upper portion of the central support 8, a supporting bolt 24 is screwed into each supporting plate 25, a round pad is mounted at the tail end of each supporting bolt 24, and the round pads are in contact with a reinforcing ring in the center of the axle housing 30; the circular base 29 is arranged on the lower half part of the central support 8 and is positioned right below the guide sleeve 26, the ejector rod 28 is arranged in the center of the base 29, and a spring 32 is connected between the ejector rod 28 and the push rod 23.
In practical application, in order to ensure stability, two equal-height blocks 6 are arranged on each V-shaped block 5, and the equal-height blocks 6 are consistent in thickness and face to the center of the shaft of the axle housing 30 contacted with the equal-height blocks 6.
In practical application, the lateral blocking device is a side positioning plate 1914, the side positioning plate 1914 is located above the guide plate 3 and below the axle housing 30, and the side positioning plate is fixed on the centering holder 1 through a diamond-shaped pin 13.
In practical application, fixing base 20 is installed through the bolt to slide 17 one end, install screw rod 22 on the fixing base 20, screw rod 22 one end with the side of slip table 16 is connected through thread bush 21, the cover 15 is installed to the screw rod 22 other end, cover 15 can drive under motor drive screw rod 22 rotates, screw rod 22 corotation or reversal can drive slip table 16 is kept away from or is close to central support 8.
In practical application, in order to grasp lateral shifting distance accurately, the axle housing 30 of the different specifications of clamping of being convenient for, install pointer 18 on the slide 17, be provided with the scale mark on the slip table 16, pointer 18 is directional the scale mark.
In practical application, in order to prevent the push rod 23 from descending too much to cause the two ends of the axle housing 30 to tilt, the push rod 23 is provided with a vertical limiting device. Stop device includes stop screw 27, push rod 23 the latter half side is provided with the breach of rectangular shape, stop screw 27 is inserted with the position that the breach corresponds to guide pin bushing 26, stop screw 27 stretches into the breach bottom on the push rod 23, works as when push rod 23 descends more, stop screw 27 blocks push rod 23.
The working principle of the invention is as follows:
the middle part, the left end and the right end are clamped in a three-section mode.
The left end and the right end of the axle housing are provided with centering clamping seats 1, according to the characteristics of axle parts of the axle housing 30, a V-shaped block 5 and an equal-height block 6 are adopted in a clamping part, the V-shaped block 5 is extruded from two sides, a gear shaft 7 and a rack 9 are adopted on one side of the V-shaped block 5 for positioning, a hydraulic oil cylinder 11 is adopted on the other side of the V-shaped block for fixing and loosening, after the axle housing 30 is placed, the axle housing 30 is made to be tightly attached to the equal-height block 6 on the V-shaped block 5 with the rack 9 on one; the centering holder 1 can adjust the transverse distance through the sliding table 16, the sliding seat 17 and the screw rod 22 according to different specifications and sizes of the axle housing 30, and is combined with the pointer 18 and the graduated scale to be accurately positioned and convenient to adjust. The side positioning plate plays a role in axial positioning.
For the middle support section, the stiffener ring plane of the axle housing 30 cooperates with the round pad and rectangular plate for radial positioning. Adopt push rod 23, guide pin bushing 26, spring 32, flexible connection, vertical redundant volume of reserving is applicable to the axle housing 30 that the beaded finish thickness is different, and the stay bolt 24 screw in length is different, is suitable for the axle housing 30 of different specifications. Through the shock attenuation of spring 32, reduce the error in the course of working, central support 8 is provided with stop screw 27, prevents to squint too much.
The axle housing clamping and dismounting time can be reduced by 60% by matching with a crane.
In conclusion, the clamping device has the advantages of simple clamping mode, stable structure and simplicity and convenience in operation, reduces the time for mounting and dismounting, can reduce the influence of axle housing vibration on hole machining, and improves the machining precision.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (6)
1. The utility model provides a two-way drilling clamping device of axle housing flange which characterized in that: comprises two centering clamping seats (1) and a central bracket (8),
the centering clamping seats (1) are positioned at two sides of the central support (8), flanges (31) clamping the axle housing (30) are close to a shaft neck at one side of the center of the axle housing (30), each centering clamping seat (1) comprises a guide plate (3), two guide rods (4) and two V-shaped blocks (5),
the deflector (3) is located the bottom, guide bar (4) are located deflector (3) top, and divide separately in axle housing (30) both sides and directional axle housing (30), install in V type piece (5) guide bar (4) front end, and contact with axle housing (30), two clamping face normal direction of V type piece (5) point to the center of the axle of axle housing (30), guide bar (4) can be kept away from and be close to axle housing (30),
one tail end of the guide rod (4) of each centering holder (1) is fixedly connected with a push-pull plate (10), the push-pull plate (10) is driven by a telescopic shaft of a hydraulic oil cylinder (11) to do linear reciprocating motion, the hydraulic oil cylinder (11) is fixed on a side baffle (12) of the centering holder (1), and the hydraulic oil cylinder (11) is connected with a hydraulic pump; the tail end of the other guide rod (4) is provided with a rack (9), the rack (9) is meshed with a gear shaft (7) below, the gear shaft (7) rotates to drive the guide rod (4) to reciprocate,
the centering holder (1) bottom links firmly with slip table (16) through connecting plate (2), slip table (16) can be horizontal reciprocating motion on slide (17) to drive the adjustment two the distance of centering holder (1) to axle housing (30) that match flange (31) interval difference, centering holder (1) still includes horizontal check and stop device, horizontal check and stop device with flange (31) of axle housing (30) are hugged closely,
the center support (8) is positioned at the center of the special machine tool, a guide sleeve (26) is installed at the center of the upper portion of the center support (8), the guide sleeve (26) is cylindrical, two ends of the guide sleeve are opened, a push rod (23) is inserted into the guide sleeve (26), a rectangular plate is installed at the top end of the push rod (23), and the rectangular plate supports a reinforcing ring at the center of the axle housing (30); two supporting plates (25) are mounted on two sides of the upper portion of the central support (8), a supporting bolt (24) is screwed into each supporting plate (25), a round pad is mounted at the tail end of each supporting bolt (24), and the round pads are in contact with a reinforcing ring in the center of the axle housing (30); circular shape base (29) are installed at central support (8) the latter half, are located under guide pin bushing (26), ejector pin (28) are installed at base (29) center, ejector pin (28) with be connected with spring (32) between push rod (23).
2. The axle housing flange bidirectional drilling clamping device of claim 1, characterized in that: two equal-height blocks (6) are arranged on each V-shaped block (5), and the equal-height blocks (6) are consistent in thickness and face the center of the axle housing (30) in contact with the equal-height blocks.
3. The axle housing flange bidirectional drilling clamping device of claim 1 or 2, characterized in that: horizontal check stop device is side locating plate (14), side locating plate (14) are located deflector (3) top axle housing (30) below, side locating plate (14) are fixed through diamond pin (13) on centering holder (1).
4. The axle housing flange bidirectional drilling clamping device of claim 3, characterized in that: fixing base (20) are installed through the bolt to slide (17) one end, install screw rod (22) on fixing base (20), screw rod (22) one end with the side of slip table (16) is passed through thread bush (21) and is connected, cover shell (15) are installed to the screw rod (22) other end, cover shell (15) can drive under motor drive screw rod (22) rotate, screw rod (22) corotation or reversal can drive slip table (16) are kept away from or are close to central support (8).
5. The axle housing flange bidirectional drilling clamping device of claim 4, characterized in that: install pointer (18) on slide (17), be provided with the scale mark on slip table (16), pointer (18) point to the scale mark.
6. The axle housing flange bidirectional drilling clamping device according to any one of claims 1, 2 and 5, characterized in that: push rod (23) are provided with vertical stop device, stop device includes stop screw (27), push rod (23) the latter half side is provided with the breach of rectangular shape, stop screw (27) are inserted with the position that the breach corresponds in guide pin bushing (26), stop screw (27) stretch into breach bottom on push rod (23), work as when push rod (23) descend more, stop screw (27) block push rod (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358585.7A CN109940197B (en) | 2019-04-30 | 2019-04-30 | Axle housing flange two-way drilling clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358585.7A CN109940197B (en) | 2019-04-30 | 2019-04-30 | Axle housing flange two-way drilling clamping device |
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| Publication Number | Publication Date |
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| CN109940197A CN109940197A (en) | 2019-06-28 |
| CN109940197B true CN109940197B (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910358585.7A Active CN109940197B (en) | 2019-04-30 | 2019-04-30 | Axle housing flange two-way drilling clamping device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112355613B (en) * | 2020-10-22 | 2021-12-21 | 无锡华尔众汽车部件有限公司 | Automobile rod discharging and clamping mechanism with visual detection function |
| CN113333821B (en) * | 2021-07-28 | 2021-10-12 | 烟台拉斐尔生物科技有限公司 | Deep hole drilling clamp for small orthopedic hollow screw |
| CN113399707B (en) * | 2021-08-16 | 2022-04-01 | 山东山宇重工机械有限公司 | Loader transaxle mounting hole bores gets device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7320460B1 (en) * | 2006-09-05 | 2008-01-22 | Robert Andrew Hastrich | Rear-end stand |
| CN201659400U (en) * | 2010-03-23 | 2010-12-01 | 长春数控机床有限公司 | Automobile axle housing flange plate double-end press fitting equipment |
| CN202527954U (en) * | 2011-05-24 | 2012-11-14 | 柳州市龙晨车桥配件制造有限公司 | Automatic centering fixture for boring of drive axle housing |
| CN203579083U (en) * | 2013-12-11 | 2014-05-07 | 广东富华重工制造有限公司 | Work fixture for grooving axle housing middle segments |
| CN203610892U (en) * | 2013-12-11 | 2014-05-28 | 广东富华重工制造有限公司 | Axle housing accessory welding fixture |
| CN104646703B (en) * | 2015-01-28 | 2017-05-31 | 宁波海天精工股份有限公司 | One kind processing heavy truck axle shell clamping fixer |
| CN207272708U (en) * | 2017-08-01 | 2018-04-27 | 广西汽车集团有限公司 | Axle housing double end boring fixture |
| CN108032108B (en) * | 2017-12-19 | 2020-10-27 | 重庆大江车桥有限责任公司 | Automobile front axle shell supporting seat hole machining clamp and method |
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2019
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Effective date of registration: 20230607 Address after: Room 305, Building 1, No. 251, Ruihe Road, Environmental Science and Technology City, Tinghu District, Yancheng City, Jiangsu Province, 224000 Patentee after: Jiangsu Xinlilai Heavy Industry Technology Co.,Ltd. Address before: 224000 Yannan Mechanical and Electrical Industrial Park, Gangzhong Street Office, Yandu District, Yancheng City, Jiangsu Province (No. 3 Weisi Road) Patentee before: YANCHENG XINHAICHUAN ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |