CN111408947A - Constant velocity universal joint mills overall length and beats central hole device - Google Patents
Constant velocity universal joint mills overall length and beats central hole device Download PDFInfo
- Publication number
- CN111408947A CN111408947A CN202010049217.7A CN202010049217A CN111408947A CN 111408947 A CN111408947 A CN 111408947A CN 202010049217 A CN202010049217 A CN 202010049217A CN 111408947 A CN111408947 A CN 111408947A
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- milling
- threaded
- universal joint
- constant velocity
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- 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
Abstract
The invention discloses a constant velocity universal joint milling total length centering device which comprises a base and an upright post, wherein a liftable motor is arranged on the upright post, a milling cutter is connected to an output shaft of the motor, a clamp used for fixing a workpiece is arranged on the base, and a drill bit capable of moving and adjusting along the axial direction of the milling cutter is arranged in the center of the milling cutter; the fixture comprises a chuck, and a positioning core column is arranged at the center of the chuck. The invention can simultaneously complete two procedures of milling the total length and drilling the central hole in one processing process, thereby improving the processing efficiency, saving the processing time and simultaneously reducing the difficulty of the processing technology.
Description
Technical Field
The invention relates to a processing device, in particular to a device for milling a total length and drilling a central hole of a constant velocity universal joint.
Background
Constant velocity joints are one type of joint commonly used in current mechanical equipment. In the existing constant velocity universal joint, an input shaft and an outer ball cage are integrally cast and formed. When the machining is carried out, the milling machine is needed to mill the end face of the input shaft, the input shaft is milled to the designed size, and then a drilling machine and other drilling equipment are used for machining a center hole in the end face of the input shaft. The disadvantages of the processing mode are that: the whole machining process is divided into two procedures of milling and drilling, the machining time is long, and the machining process is complex.
Disclosure of Invention
The invention aims to solve the problems that the existing constant velocity universal joint has long processing time and complicated processing process when the overall length is milled and the center hole is drilled, and provides a device for milling the overall length and drilling the center hole of the constant velocity universal joint, which can effectively solve the problems.
The purpose of the invention is realized by the following technical scheme: a constant velocity universal joint milling total length centering device comprises a base and an upright post, wherein a liftable motor is arranged on the upright post, a milling cutter is connected to an output shaft of the motor, a clamp used for fixing a workpiece is arranged on the base, and a drill bit capable of moving and adjusting along the axial direction of the milling cutter is arranged in the center of the milling cutter; the fixture comprises a chuck, and a positioning core column is arranged at the center of the chuck.
In the invention, the drill bit is arranged in the center of the milling cutter and is coaxial with the milling cutter. When processing, install the anchor clamps with the work piece of treating processing earlier on, then the starter motor, motor start-up back drives milling cutter and drill bit synchronous revolution, and the motor descends along the stand, and milling cutter carries out milling process to the terminal surface of input shaft this moment, and milling cutter is adding man-hour, and the drill bit is also simultaneously to the input shaft processing of driling, like this in a course of working, can accomplish simultaneously and mill the overall length and beat two processes in the center hole, has improved machining efficiency, has saved process time, has reduced the degree of difficulty of processing technology simultaneously. According to the invention, the drill bit can move and be adjusted along the axial direction of the milling cutter, so that the distance of the drill bit extending out of the end face of the milling cutter can be adjusted, and the depth of the central hole can be adjusted. When a workpiece is clamped, the clamping jaws arranged on the chuck extend into the outer ball cage of the workpiece and clamp the inner wall of the outer ball cage, and the positioning core column is abutted against the upper end of the inner wall of the outer ball cage to axially position the workpiece.
Preferably, the center of the chuck is provided with an insertion hole, the positioning core column is inserted into the insertion hole, and the positioning core column is provided with a convex ring.
Preferably, the upper end of the positioning core column is embedded with a steel ball. The steel ball is subjected to heat treatment processes such as quenching and the like, has high hardness and is not easy to wear.
Preferably, the center of the milling cutter is provided with a polygonal section hole and a threaded cylinder groove, a rotatable threaded cylinder is arranged in the threaded cylinder groove, and a threaded hole is formed in the threaded cylinder; the drill bit comprises a polygonal section column, a threaded column and a drilling-in part, wherein the cross section of the polygonal section column is the same as that of a polygonal section hole, the polygonal section column is inserted into the polygonal section hole, and the threaded column is in threaded connection with the threaded cylinder. Through rotatory screw thread section of thick bamboo, the screw thread section of thick bamboo can drive drill bit axial displacement when rotating. Because the drill bit is provided with the polygonal section column, and the polygonal section column extends into the polygonal section hole, the drill bit can be ensured not to rotate relative to the milling cutter.
Preferably, the milling cutter is provided with a screw hole located on one side of the threaded cylinder, and a set screw is screwed into the screw hole. After the drill bit is adjusted, the set screw is rotated to tightly push the threaded cylinder, so that the threaded cylinder can be fixed, and the drill bit is prevented from finding axial movement in the machining process.
Preferably, a limit ring for axially positioning the threaded cylinder is arranged in the threaded cylinder groove.
Preferably, the cross sections of the polygonal section hole and the polygonal section column are quadrangles.
Preferably, a clamping groove is formed in the lower end face of the threaded cylinder. The draw-in groove can cooperate with dedicated spanner, is convenient for rotate a screw thread section of thick bamboo.
The invention has the beneficial effects that: the invention can simultaneously complete two procedures of milling the total length and drilling the central hole in one processing process, thereby improving the processing efficiency, saving the processing time and simultaneously reducing the difficulty of the processing technology.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic view of the milling cutter in connection with a drill.
Fig. 4 is a schematic structural diagram of the drill bit.
Fig. 5 is an enlarged view of a portion B in fig. 3.
In the figure: 1. the fixture comprises a base, 2, an upright post, 3, a motor, 4, a milling cutter, 5, a drill bit, 6, a chuck, 7, a positioning core column, 8, a workpiece, 9, a steel ball, 10, a jack, 11, a convex ring, 12, a polygonal section hole, 13, a threaded cylinder, 14, a set screw, 15, a polygonal section column, 16, a threaded column, 17, a drilling part, 18, a limiting ring, 19 and a clamping groove.
Detailed Description
The invention is further described by the following detailed description in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 5, the constant velocity universal joint milling and total length centering device comprises a base 1 and a stand column 2. The upright post 2 is arranged on the base 1. The upright post 2 is perpendicular to the base 1. The upright post 2 is provided with a liftable motor 3. The motor 3 is connected with the upright post 2 by adopting the existing connecting structure to realize the lifting movement, and the specific structure can be seen in the invention patent with the publication number of CN110539207A, and the invention name of the invention patent is a drilling machine. The motor 3 is arranged vertically, and the output shaft of the motor 3 faces downwards. The output shaft of the motor 3 is provided with a milling cutter 4. The centre of the milling cutter 4 is provided with a drill bit 5 which is movably adjustable in the axial direction of the milling cutter 4. The milling cutter 4 is provided with a polygonal section hole 12 and a threaded cylindrical groove in the center. The cross section of the threaded cylinder groove is circular. The polygonal section hole 12 is located above the threaded cylindrical groove. A rotatable threaded cylinder 13 is arranged in the threaded cylinder groove. The threaded cylinder 13 is of a cylindrical configuration. A threaded hole is provided in the threaded cylinder 13. The drill bit 5 includes a polygonal-section column 15, a threaded column 16, and a bored portion 17. The cross section of the polygonal-section column 15 is the same as that of the polygonal-section hole 12. In the present embodiment, both the cross section of the polygonal-section column 15 and the cross section of the polygonal-section hole 12 are quadrangular. A polygonal-section column 15 is inserted into the polygonal-section hole 12, and a threaded column 16 is screwed into the threaded cylinder 13. A limiting ring 18 for axially positioning the threaded cylinder 13 is arranged in the threaded cylinder groove. The milling cutter 4 is provided with a screw hole which is positioned at one side of the thread cylinder 13, and a fastening screw 14 is connected with the screw hole through threads. The lower end face of the threaded cylinder 13 is provided with a clamping groove 19. Through rotatory screw thread section of thick bamboo, the screw thread section of thick bamboo can drive drill bit axial displacement when rotating to adjust the distance that the drill bit stretches out the milling cutter terminal surface. Because the drill bit is provided with the polygonal section column, and the polygonal section column extends into the polygonal section hole, the drill bit can be ensured not to rotate relative to the milling cutter. After the drill bit is adjusted, the set screw is rotated to tightly push the threaded cylinder, so that the threaded cylinder can be fixed, and the drill bit is prevented from finding axial movement in the machining process.
The base 1 is provided with a clamp for clamping the workpiece 8. The clamp is located directly below the motor 3. The jig comprises a chuck 6. The chuck 6 is a three-jaw chuck. The chuck 6 is provided with a socket 10 in the center. The positioning core column 7 is inserted in the insertion hole 10. The positioning core column 7 is vertically arranged. The upper end of the positioning core column 7 is embedded with a steel ball 9. The positioning core column 7 is provided with a convex ring 11. When a workpiece is clamped, the clamping jaws arranged on the chuck extend into the outer ball cage of the workpiece and clamp the inner wall of the outer ball cage, and the positioning core column is abutted against the upper end of the inner wall of the outer ball cage to axially position the workpiece.
In the invention, the drill bit is arranged in the center of the milling cutter and is coaxial with the milling cutter. When processing, install the anchor clamps with the work piece of treating processing earlier on, then the starter motor, motor start-up back drives milling cutter and drill bit synchronous revolution, and the motor descends along the stand, and milling cutter carries out milling process to the terminal surface of input shaft this moment, and milling cutter is adding man-hour, and the drill bit is also simultaneously to the input shaft processing of driling, like this in a course of working, can accomplish simultaneously and mill the overall length and beat two processes in the center hole, has improved machining efficiency, has saved process time, has reduced the degree of difficulty of processing technology simultaneously. According to the invention, the drill bit can move and be adjusted along the axial direction of the milling cutter, so that the distance of the drill bit extending out of the end face of the milling cutter can be adjusted, and the depth of the central hole can be adjusted.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a constant velocity universal joint mills overall length and beats central hole device, includes base, stand, is provided with the motor of liftable on the stand, be connected with milling cutter on the output shaft of motor, be provided with the anchor clamps that are used for fixed work piece on the base, its characterized in that: a drill bit capable of moving and adjusting along the axial direction of the milling cutter is arranged in the center of the milling cutter; the fixture comprises a chuck, and a positioning core column is arranged at the center of the chuck.
2. The device for milling the total length and punching the central hole of the constant velocity universal joint according to claim 1, wherein the center of the chuck is provided with a jack, the positioning core column is inserted into the jack, and the positioning core column is provided with a convex ring.
3. The device for milling the total length and punching the central hole of the constant velocity universal joint according to claim 1, wherein a steel ball is embedded at the upper end of the positioning core column.
4. The device for milling the total length and punching the central hole of the constant velocity universal joint according to claim 1, wherein the milling cutter is provided with a polygonal section hole and a threaded barrel groove in the center, a rotatable threaded barrel is arranged in the threaded barrel groove, and a threaded hole is arranged in the threaded barrel; the drill bit comprises a polygonal section column, a threaded column and a drilling-in part, wherein the cross section of the polygonal section column is the same as that of a polygonal section hole, the polygonal section column is inserted into the polygonal section hole, and the threaded column is in threaded connection with the threaded cylinder.
5. The device for milling the total length and punching the central hole of the constant velocity universal joint according to claim 4, wherein a screw hole is formed in the milling cutter, the screw hole is located on one side of the threaded cylinder, and a set screw is connected to the screw hole in a threaded mode.
6. The device for milling the total length of the constant velocity universal joint and drilling the central hole according to claim 4, wherein a limiting ring for axially positioning the threaded barrel is arranged in the threaded barrel groove.
7. The device for milling the total length and punching the central hole of the constant velocity universal joint according to claim 4, wherein the cross sections of the polygonal section hole and the polygonal section column are quadrangular.
8. The device for milling the total length of the constant velocity universal joint and drilling the central hole according to claim 4, wherein the lower end surface of the threaded cylinder is provided with a clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010049217.7A CN111408947A (en) | 2020-01-16 | 2020-01-16 | Constant velocity universal joint mills overall length and beats central hole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010049217.7A CN111408947A (en) | 2020-01-16 | 2020-01-16 | Constant velocity universal joint mills overall length and beats central hole device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111408947A true CN111408947A (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010049217.7A Pending CN111408947A (en) | 2020-01-16 | 2020-01-16 | Constant velocity universal joint mills overall length and beats central hole device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111408947A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2264889C2 (en) * | 2003-09-17 | 2005-11-27 | Общество с ограниченной ответственностью "РЕАДИ ЛТД" | Universal table machine tool |
| CN104400048A (en) * | 2014-12-03 | 2015-03-11 | 常州市荣鑫车辆配件厂 | Novel three-jaw chuck |
| CN205466585U (en) * | 2016-02-02 | 2016-08-17 | 王春红 | A hole automatic molding machine for padauk furniture board |
| CN205765036U (en) * | 2016-05-27 | 2016-12-07 | 南京梅山冶金发展有限公司 | A kind of Multipurpose lathe steady fixture |
| CN206253701U (en) * | 2016-12-07 | 2017-06-16 | 东莞市龙晶微钻精密工具有限公司 | One kind shaping drill mill |
| CN207155224U (en) * | 2017-07-18 | 2018-03-30 | 芜湖乾凯材料科技有限公司 | The workpiece drilling-milling apparatus of digital control processing |
| CN208322210U (en) * | 2018-04-25 | 2019-01-04 | 杭州倍力机电设备制造有限公司 | A kind of electric up-down type bench drill |
| CN208853760U (en) * | 2019-03-11 | 2019-05-14 | 成都力维展示工程有限公司 | A kind of bench drill with adjustable clamp |
| CN208929265U (en) * | 2018-10-22 | 2019-06-04 | 安徽青润精密科技有限公司 | A kind of handware drilling equipment |
-
2020
- 2020-01-16 CN CN202010049217.7A patent/CN111408947A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2264889C2 (en) * | 2003-09-17 | 2005-11-27 | Общество с ограниченной ответственностью "РЕАДИ ЛТД" | Universal table machine tool |
| CN104400048A (en) * | 2014-12-03 | 2015-03-11 | 常州市荣鑫车辆配件厂 | Novel three-jaw chuck |
| CN205466585U (en) * | 2016-02-02 | 2016-08-17 | 王春红 | A hole automatic molding machine for padauk furniture board |
| CN205765036U (en) * | 2016-05-27 | 2016-12-07 | 南京梅山冶金发展有限公司 | A kind of Multipurpose lathe steady fixture |
| CN206253701U (en) * | 2016-12-07 | 2017-06-16 | 东莞市龙晶微钻精密工具有限公司 | One kind shaping drill mill |
| CN207155224U (en) * | 2017-07-18 | 2018-03-30 | 芜湖乾凯材料科技有限公司 | The workpiece drilling-milling apparatus of digital control processing |
| CN208322210U (en) * | 2018-04-25 | 2019-01-04 | 杭州倍力机电设备制造有限公司 | A kind of electric up-down type bench drill |
| CN208929265U (en) * | 2018-10-22 | 2019-06-04 | 安徽青润精密科技有限公司 | A kind of handware drilling equipment |
| CN208853760U (en) * | 2019-03-11 | 2019-05-14 | 成都力维展示工程有限公司 | A kind of bench drill with adjustable clamp |
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| PB01 | Publication | ||
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Application publication date: 20200714 |