CN211192061U - Thin-wall chuck for machining bearing support in automobile gearbox - Google Patents
Thin-wall chuck for machining bearing support in automobile gearbox Download PDFInfo
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- CN211192061U CN211192061U CN201922006451.7U CN201922006451U CN211192061U CN 211192061 U CN211192061 U CN 211192061U CN 201922006451 U CN201922006451 U CN 201922006451U CN 211192061 U CN211192061 U CN 211192061U
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Abstract
The utility model relates to a thin wall chuck for bearing support processing in motor transmission, including equipment tapering head, base, equipment tapering head bottom locks on the lathe body main shaft, and the base bottom locks on equipment tapering head, and the center of the base lower part is installed and is connected the axle sleeve, installs the pull rod in the axle sleeve, and the pull rod bottom is connected on the rotary cylinder, and the outer sliding fit in pull rod upper portion installs the briquetting, is equipped with the chuck body on the base, and the sliding fit in the chuck body installs the corner jar pull rod, and corner jar pull rod bottom is through fixing on the briquetting, and corner jar clamp plate is installed at corner jar pull rod top; a central positioning seat and a sealing disk are installed at the central position in the chuck body, a plurality of pin holes are circumferentially distributed on the central positioning seat, a positioning pin is arranged in each pin hole, a positioning ring is arranged at the top end of the inner diameter of the chuck body, a thin film expansion sleeve fixing seat is arranged in the chuck body, and a thin film expansion sleeve is arranged on the thin film expansion sleeve fixing seat. The utility model has reliable clamping and high production precision; the self-centering precision is high.
Description
Technical Field
The utility model relates to a technical field of automobile parts processing equipment especially relates to a thin wall chuck that is used for bearing support to process in motor transmission.
Background
When the precision automobile spare part or the industrial part is turned by using the numerical control lathe, the three-jaw chuck is used for clamping the workpiece, and both the blank piece and the semi-finished product piece can be machined by clamping the workpiece by using the three-jaw chuck.
However, when a thin-wall part or other regions of a machined product in a thin-wall region need to be clamped, the workpiece is clamped and deformed by using the three-jaw chuck, so that the size difference of the precise thin-wall region is caused, and the final customer assembly is influenced. And when the three-jaw chuck is clamped: the flat claw chuck has no downward pull force, so that the workpiece can be tilted; although the pull-down chuck has a pull-down force, the pull-down chuck has a stroke requirement in the vertical direction, and when a thin-wall workpiece with a small distance is used, a phenomenon that a chuck clamping block interferes with the workpiece exists.
Disclosure of Invention
The utility model discloses aim at solving prior art's not enough, and provide a thin wall chuck that is used for bearing support to process in the motor transmission.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme:
a thin-wall chuck for machining the bearing support in the gear box of car is composed of a conic head and a base, the bottom of the equipment taper head is locked on a main shaft of a lathe body through a bolt, the bottom of the base is locked on the equipment taper head through the equipment taper head central taper positioning center by using the bolt, the center of the lower part of the base is provided with a connecting shaft sleeve in a sliding fit manner at the inner ring of the taper head of the device, the outer diameter of the connecting shaft sleeve is locked at the bottom of the base through a bolt in a reverse direction after being positioned in a sliding fit manner with the center of the base, a pull rod is arranged in the connecting shaft sleeve in a sliding fit manner, a through hole penetrates through the pull rod, the bottom of the pull rod is connected to a rotary oil cylinder at the bottom of a main shaft of the lathe body through a screw rod, the top of the pull rod is provided with a shaft shoulder, the bottom of the shaft shoulder is positioned at the top of the connecting shaft sleeve, a pressing block is arranged outside the upper part of the pull rod in a sliding fit manner, and the pressing block is positioned on the upper surface of the base and locked on the shaft shoulder through a bolt;
the chuck body is arranged on the base in a sliding fit mode through outer diameter positioning and is locked on the base through bolts, three through corner cylinder pull rod holes are uniformly distributed in the inner circumference of the chuck body, a corner cylinder pull rod is arranged in each corner cylinder pull rod hole in a sliding fit mode, the bottom of each corner cylinder pull rod is fixed on a pressing block through a side face jackscrew, and a corner cylinder pressing plate is arranged at the top of each corner cylinder pull rod through bolts;
the improved chuck is characterized in that a central positioning seat is installed at the central position in the chuck body, a sealing disc is installed on the upper portion of the central positioning seat in a locking mode through bolts, two pin holes are distributed in the central positioning seat in the circumferential direction, a positioning pin is locked in each pin hole through the bolts, a positioning ring is arranged on the top end of the inner diameter of the chuck body outside the central positioning seat, a thin film expansion sleeve fixing seat is arranged below the central positioning seat in the chuck body, a thin film expansion sleeve is installed on the thin film expansion sleeve fixing seat in a locking mode through the bolts, and the thin film expansion.
The equipment taper head is characterized in that the bottom center and the top center of the equipment taper head are respectively provided with a positioning conical surface, the bottom center of the base is also provided with a positioning conical surface, the bottom of the equipment taper head is arranged on a lathe body spindle in a centering mode through the positioning conical surfaces and is locked on the lathe body spindle through a bolt, and the base is arranged on the top positioning conical surface of the equipment taper head in a positioning mode through the positioning conical surface at the bottom and is locked on the equipment taper head through the bolt.
The retaining ring has six 15 x 15mm retaining surfaces.
The utility model has the advantages that: the utility model can be installed on various lathes to clamp the thin-wall area for turning, and the self-contained rotary clamping cylinder can effectively ensure that the thin-wall expansion sleeve is perpendicular to the chuck direction to attach a positioning surface of a workpiece after the workpiece is centered and clamped, thereby preventing the workpiece from vibrating in the machining process; the workpiece deformation in the clamping process can be effectively prevented; the clamping is reliable, and the production precision is high; the self-centering precision is high, and positioning and clamping errors caused by abrasion of the traditional chuck can be eliminated.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1-equipment taper head; 2-a base; 3-a lathe body spindle; 4-connecting the shaft sleeve; 5-a pull rod; 6-shaft shoulder; 7-briquetting; 8-chuck body; 9-corner cylinder tie rod; 10-lateral jackscrew; 11-corner cylinder platen; 12-a central positioning seat; 13-sealing disc; 14-a locating pin; 15-a positioning ring; 16-film expansion sleeve fixing seat; 17-film expansion sleeve; 18-a workpiece;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in figure 1, the thin-wall chuck for machining the bearing support in the automobile gearbox comprises an equipment taper head 1 and a base 2, wherein the bottom of the equipment taper head 1 is locked on a lathe body spindle 3 through a bolt, the bottom of the base 2 is locked on the equipment taper head 1 through a central taper positioning center of the equipment taper head 1 through a bolt, a connecting shaft sleeve 4 is arranged at the lower center of the base 2 in a sliding fit manner at the inner ring of the equipment taper head 1, the outer diameter of the connecting shaft sleeve 4 and the center of the base 2 are locked at the bottom of the base 2 in a reverse manner through a bolt after being positioned in a sliding fit manner, a pull rod 5 is arranged in the connecting shaft sleeve 4 in a sliding fit manner, a through hole penetrates through the pull rod 5, the bottom of the pull rod 5 is connected on a rotary oil cylinder at the bottom of the lathe body spindle 3 through a screw rod, a shaft shoulder 6 is arranged at the top, a pressing block 7 is arranged outside the upper part of the pull rod 5 in a sliding fit manner, and the pressing block 7 is positioned on the upper surface of the base 2 and locked on the shaft shoulder 6 through a bolt;
the chuck body 8 is arranged on the base 2, the chuck body 8 is installed on the base 2 in a sliding fit mode through outer diameter positioning and locked on the base 2 through bolts, three through corner cylinder pull rod holes are evenly distributed in the inner circumference of the chuck body 8, a corner cylinder pull rod 9 is installed in each corner cylinder pull rod hole in a sliding fit mode, the bottom of each corner cylinder pull rod 9 is fixed on the pressing block 7 through a side jackscrew 10, and a corner cylinder pressing plate 11 is installed at the top of each corner cylinder pull rod 9 through bolts;
center position installs central positioning seat 12 in the chuck body 8, sealed dish 13 is installed through bolt locking on central positioning seat 12 upper portion, it has a locating pin 14 to lock through the bolt in two pinhole and every pinhole to distribute the circumference on central positioning seat 12, 8 internal diameter tops of chuck body are equipped with holding ring 15 in the central positioning seat 12 outside, the inherent central positioning seat 12 below of chuck body is equipped with film cover fixing base 16 that rises, it rises to install film cover 17 that rises through bolt locking on the cover fixing base 16 that rises to the film, film cover 17 that rises is located between central positioning seat 12 and holding ring 15.
The device is characterized in that the center of the bottom and the center of the top of the device taper head 1 are both provided with positioning conical surfaces, the center of the bottom of the base 2 is also provided with a positioning conical surface, the bottom of the device taper head 1 is arranged on the lathe body spindle 3 in a positioning conical surface centering manner and locked on the lathe body spindle 3 through a bolt, and the base 2 is arranged on the positioning conical surface of the top of the device taper head 1 in a positioning manner through the positioning conical surface of the bottom and locked on the device taper head 1 through the bolt.
The retaining ring 15 has six 15 x 15mm retaining surfaces.
The utility model discloses after equipment automatic feeding, perhaps after the operating personnel material loading, inside the pinhole that inserts work piece 18 with locating pin 14, the tight holding ring 15 of work piece 18 locating surface subsides, airtight detection qualified back film rises and overlaps 17 automatic centering clamp work pieces 18, and the corner jar is rotatory to be driven corner jar clamp plate 11 and presss from both sides tight work piece terminal surface, and equipment starts the clamp back, and hydraulic oil pours into hydraulic oil into the oilhole region through the through-hole in the pull rod 5 into, and the pressure moves the film and rises that cover 17 moves down automatic centering clamp work piece 18. The lathe body rotating oil cylinder pulls the pull rod 5 to move downwards, and drives the corner cylinder pull rod 9 to rotate and press downwards in the inner hole. When the device is released, the hydraulic oil flows back to the oil cylinder, and the film expanding sleeve 17 is reset. The pull rod 5 moves upwards to drive the angle cylinder pull rod 9 to rotate and loosen in the inner hole.
The utility model can be installed on various lathes to clamp thin-wall area turning, and the self-contained rotary clamping cylinder can effectively ensure that the workpiece 18 is attached to a positioning surface perpendicular to the chuck direction after the thin-wall expansion sleeve 17 is centered and clamped on the workpiece 18, thereby preventing the workpiece 18 from vibrating in the machining process; the deformation of the workpiece 18 in the clamping process can be effectively prevented; the clamping is reliable, and the production precision is high; the self-centering precision is high, and positioning and clamping errors caused by abrasion of the traditional chuck can be eliminated.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (3)
1. The thin-wall chuck for machining the bearing support in the automobile gearbox is characterized by comprising an equipment taper head (1) and a base (2), wherein the bottom of the equipment taper head (1) is locked on a lathe body spindle (3) through a bolt, the bottom of the base (2) is locked on the equipment taper head (1) through the bolt after passing through a center taper positioning center of the equipment taper head (1), a connecting shaft sleeve (4) is arranged at the center of the lower part of the base (2) in a sliding fit manner at the inner ring of the equipment taper head (1), the outer diameter of the connecting shaft sleeve (4) is reversely locked at the bottom of the base (2) through the bolt after being positioned in a sliding fit manner with the center of the base (2), a pull rod (5) is arranged in the connecting shaft sleeve (4) in a sliding fit manner, a through hole penetrates through the pull rod (5), the bottom of the pull rod (5) is connected on a rotary oil cylinder at the bottom of the lathe, a shaft shoulder (6) is arranged at the top of the pull rod (5), the bottom of the shaft shoulder (6) is positioned at the top of the connecting shaft sleeve (4), a pressing block (7) is arranged outside the upper part of the pull rod (5) in a sliding fit manner, and the pressing block (7) is positioned on the upper surface of the base (2) and is locked on the shaft shoulder (6) through a bolt;
the clamping device is characterized in that a chuck body (8) is arranged on the base (2), the chuck body (8) is installed on the base (2) in a sliding fit mode through outer diameter positioning and is locked on the base (2) through bolts, three through corner cylinder pull rod holes are uniformly distributed in the inner circumference of the chuck body (8), a corner cylinder pull rod (9) is installed in each corner cylinder pull rod hole in a sliding fit mode, the bottom of each corner cylinder pull rod (9) is fixed on the pressing block (7) through a side jackscrew (10), and a corner cylinder pressing plate (11) is installed at the top of each corner cylinder pull rod (9) through bolts;
center position installs central positioning seat (12) in chuck body (8), sealed dish (13) are installed through bolt locking on central positioning seat (12) upper portion, it has one locating pin (14) through bolt locking in two pinholes and every pinhole to go up the circumference distribution in central positioning seat (12), chuck body (8) internal diameter top is equipped with holding ring (15) in central positioning seat (12) outside, chuck body (8) inherent central positioning seat (12) below is equipped with film cover fixing base (16) that rises, it installs film cover (17) that rises through bolt locking on cover fixing base (16) to rise to the film, film cover (17) that rises is located between central positioning seat (12) and holding ring (15).
2. The thin-wall chuck for machining the bearing support in the automobile gearbox is characterized in that the bottom center and the top center of the equipment taper head (1) are provided with positioning conical surfaces, the bottom center of the base (2) is also provided with a positioning conical surface, the bottom of the equipment taper head (1) is installed on the lathe body spindle (3) in a manner of centering through the positioning conical surfaces and is locked on the lathe body spindle (3) through a bolt, and the base (2) is installed on the top positioning conical surface of the equipment taper head (1) in a manner of positioning through the positioning conical surface at the bottom and is locked on the equipment taper head (1) through the bolt.
3. The thin-walled chuck for machining bearing supports in motor vehicle gearboxes according to claim 2, characterized in that the retaining ring (15) has six 15 x 15mm retaining surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006451.7U CN211192061U (en) | 2019-11-20 | 2019-11-20 | Thin-wall chuck for machining bearing support in automobile gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006451.7U CN211192061U (en) | 2019-11-20 | 2019-11-20 | Thin-wall chuck for machining bearing support in automobile gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211192061U true CN211192061U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922006451.7U Active CN211192061U (en) | 2019-11-20 | 2019-11-20 | Thin-wall chuck for machining bearing support in automobile gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211192061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472948A (en) * | 2022-01-24 | 2022-05-13 | 呼和浩特众环工贸股份有限公司 | Chuck capable of realizing high concentricity by multiple combinations |
| CN115415816A (en) * | 2022-08-19 | 2022-12-02 | 陕西法士特齿轮有限责任公司 | Vertical equipment clamping tool with shell inner cavity positioning function |
-
2019
- 2019-11-20 CN CN201922006451.7U patent/CN211192061U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472948A (en) * | 2022-01-24 | 2022-05-13 | 呼和浩特众环工贸股份有限公司 | Chuck capable of realizing high concentricity by multiple combinations |
| CN114472948B (en) * | 2022-01-24 | 2023-08-22 | 呼和浩特众环工贸股份有限公司 | Chuck capable of achieving high concentricity through various combinations |
| CN115415816A (en) * | 2022-08-19 | 2022-12-02 | 陕西法士特齿轮有限责任公司 | Vertical equipment clamping tool with shell inner cavity positioning function |
| CN115415816B (en) * | 2022-08-19 | 2023-12-08 | 陕西法士特齿轮有限责任公司 | Immediately, add equipment centre gripping frock with casing inner chamber locate function |
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