CN210255137U - Rotary lifting mechanism of double exchange tables - Google Patents
Rotary lifting mechanism of double exchange tables Download PDFInfo
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- CN210255137U CN210255137U CN201920766552.1U CN201920766552U CN210255137U CN 210255137 U CN210255137 U CN 210255137U CN 201920766552 U CN201920766552 U CN 201920766552U CN 210255137 U CN210255137 U CN 210255137U
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Abstract
The utility model provides a rotary lifting mechanism of a double exchange platform, which comprises a central fixed shaft, a turret cambered cam and a plane cam, wherein a single-rod bearing is fixed on the outer peripheral surface of the turret, the single-rod bearing is matched with the cambered cam to drive the turret to intermittently rotate by the cambered cam, a rocker arm is arranged in a box body of a machine tool, a force output shaft is sleeved outside the central fixed shaft in a matching way, a groove is formed on the outer peripheral surface of the force output shaft, one end of the rocker arm is in transmission connection with the plane cam, and the other end of the rocker arm is connected with the groove on; the lower end of the outer peripheral surface of the output shaft is fixed with sliding teeth, the lower end of the outer peripheral surface of the turret is fixed with fixed teeth, and the sliding teeth are meshed with the fixed teeth. The utility model has the advantages of reasonable design, can realize the intermittent type of capstan head and rotate with the intermittent type nature of output shaft and reciprocal slip from top to bottom, realize the rotatory lifting and the quick exchange of two commutators, effectively improve lathe machining efficiency, and the structure is reliable, production is convenient, the installation is convenient.
Description
Technical Field
The utility model relates to a lathe change table technical field especially relates to a rotatory lifting mechanism of two change tables.
Background
At present, when a double exchange table is adopted for rotating and lifting a machine tool workbench, hydraulic drive is generally adopted, two groups of independent oil cylinder devices are adopted for respectively completing lifting action and rotating action, the structure is complex, and the exchange time is long. Two sets of independent oil cylinder devices need to occupy more installation space, and the lifting action and the rotating action are driven separately, so that the exchange efficiency of the double-exchange table is low, and the machining efficiency of the machine tool workbench is influenced. Therefore, it is necessary to further design the drive mechanism of the double exchange table of the machine tool table for such a case.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the deficiency of the prior art, the utility model provides a structural design is reasonable, and the rotatory action and the lifting action of two commutators can be realized to a set of power unit of accessible, the rotatory lifting mechanism of two commutators that exchange efficiency is high.
The utility model provides a technical scheme that its technical problem adopted is: a rotary lifting mechanism of double exchange platforms is arranged in a box body, the box body is arranged on a machine tool and comprises a central fixed shaft, the central fixed shaft is fixed with the working table of the machine tool, and also comprises a turret and an arc cam, a single-rod bearing is fixed on the peripheral surface of the turret, the single-rod bearing is matched with the arc cam, the arc cam drives the turret to rotate intermittently, two sides of the arc cam are respectively provided with a plane cam which rotates synchronously with the arc cam, a rocker arm is arranged in the box body, one end of the rocker arm is in transmission connection with the plane cam, a force output shaft which can slide up and down along the central fixed shaft is sleeved outside the central fixed shaft in a matching way, the outer peripheral surface of the output shaft is provided with a groove, one end of the rocker arm is in transmission connection with the plane cam, and the other end of the rocker arm is connected with the groove on the output shaft and pushes the output shaft to slide up and down along the central fixed shaft in a reciprocating manner when the plane cam rotates; the lower end of the outer peripheral surface of the output shaft is fixedly provided with sliding teeth, the lower end of the outer peripheral surface of the turret is fixedly provided with fixed teeth, the sliding teeth are meshed with the fixed teeth, and the length of the fixed teeth along the axial direction of the central fixed shaft is not less than the sliding amplitude length of the output shaft.
Furthermore, the centers of the cambered surface cam and the plane cam are provided with shaft holes, and a power shaft which is matched with the shaft holes and drives the cambered surface cam and the plane cam to synchronously rotate is rotatably connected in the box body.
Furthermore, the box body is also provided with a power device for driving the power shaft to rotate, and the power device can be designed into a motor and the like according to requirements.
Furthermore, the two ends of the rocker arm are respectively provided with a single-rod bearing, one end of the rocker arm is linearly tangent to the plane cam through the single-rod bearing, and the other end of the rocker arm is linearly tangent to the groove of the output shaft through the single-rod bearing.
In the scheme, the design of the cambered cam and the plane cam is adopted, so that when the cambered cam and the plane cam are driven to synchronously rotate, the turret intermittently rotates, the output shaft intermittently rotates along with the turret, and the output shaft slides up and down in a reciprocating manner along the central fixed shaft under the action of the rocker arm.
The beneficial effects of the utility model are that, the utility model provides a pair of rotatory lifting mechanism of two commutators, structural design is reasonable, through cambered surface cam and the action of single-rod bearing on the capstan head, cambered surface cam and planar cam, can realize intermittent type rotation and the intermittent type nature rotation of output shaft of capstan head and reciprocal slip from top to bottom, realizes the rotatory lifting and the quick exchange of two commutators, effectively improves machine tool machining efficiency, and the structure is reliable, production is convenient, the installation is convenient.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the preferred embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is a cross-sectional view a-a of fig. 3.
Fig. 5 is a perspective view of the preferred embodiment of the present invention.
Figure 6 is a perspective view of the preferred embodiment of the present invention installed in a housing.
In the figure, the device comprises a central fixed shaft 1, sliding teeth 3, a single-rod bearing 4, a groove 5, an output shaft 6, a turret 7, fixed teeth 8, a plane cam 9, an arc cam 10, a rocker arm 11, a fixed hole 12 and a box body.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The rotary lifting mechanism of a double exchange shown in fig. 1 to 5 is the preferred embodiment of the present invention, and is disposed in a box 12, and the box 12 is installed on a machine tool and includes a central fixed shaft 1. The central fixed shaft 1 is fixed with a machine tool and also comprises a turret 6 and an arc cam 9. The centers of the cambered surface cam 9 and the plane cam 8 are provided with shaft holes, and a power shaft which is matched with the shaft holes and drives the cambered surface cam 9 and the plane cam 8 to synchronously rotate is also arranged in the box body 12. The box body 12 is also provided with a power device for driving the power shaft to rotate, and the power device can be designed into a motor and the like according to requirements.
The single-rod bearing 3 is fixed on the outer peripheral surface of the turret 6, and the single-rod bearing 3 is matched with the arc cam 9 to drive the turret 6 to rotate intermittently by the arc cam 9. The two sides of the cambered surface cam 9 are respectively provided with a plane cam 8 which synchronously rotates with the cambered surface cam 9, the plane cam 8 is in transmission connection with a rocker arm 10, the center fixing shaft 1 is externally matched and sleeved with a force output shaft 5 which can slide up and down along the center fixing shaft 1, and the peripheral surface of the force output shaft 5 is provided with a groove 4.
A rocker arm 10 is arranged in the box body 12, and the rocker arm 10 is provided with a fixing hole 11 and is rotatably connected with the box body 12 through the fixing hole 11. The two ends of the rocker arm 10 are also respectively provided with a single-rod bearing 3, wherein one end of the single-rod bearing 3 is linearly cut with the plane cam 8, and the other end of the single-rod bearing 3 is linearly cut with the groove 4 of the output shaft 5. One end of the groove 4 of the output shaft 5 is tangent, and the output shaft 5 can be pushed to slide up and down along the central fixed shaft 1 in a reciprocating way when the plane cam 8 rotates. The lower end of the outer peripheral surface of the output shaft 5 is fixed with sliding teeth 2, the lower end of the outer peripheral surface of the turret 6 is fixed with fixed teeth 7, the sliding teeth 2 are meshed with the fixed teeth 7, and the length of the fixed teeth 7 along the axial direction of the central fixed shaft 1 is not less than the sliding amplitude length of the output shaft 5. The sliding teeth 2 are matched with the fixed ruler, so that the cambered surface cam 9 drives the output shaft 5 to intermittently rotate while driving the turret 6 to intermittently rotate.
When the device works, the power device works to drive the cambered surface cam 9 and the plane cam 8 to synchronously rotate. When the arc cam 9 rotates, the arc cam 9 is matched with the single-rod bearing 3 on the turret 6, and the turret 6 is driven to intermittently rotate. When the turret 6 rotates, the fixed teeth 7 at the lower end of the turret 6 also synchronously rotate, and at the moment, the sliding teeth 2 meshed with the fixed teeth 7 also synchronously rotate along with the fixed teeth, so that the synchronous intermittent rotation of the output shaft 5 is realized, and the synchronous rotation operation of the turret 6 and the output shaft 5 is realized. When the plane cam 8 and the arc cam 9 rotate synchronously, due to the characteristics of the plane cam 8, the plane cam 8 can intermittently drive a fixed hole 11 of the rocker arm 10 to rotate as a rotating center, and when the rocker arm 10 corresponds to one end of the groove 4 of the output shaft 5, the output shaft 5 can be pushed to slide up and down in the groove 4 in a reciprocating manner during rotation, so that the lifting operation of the output shaft 5 is realized. When the output shaft 5 slides up and down, the sliding teeth 2 can slide up and down on the fixed teeth 7, and the up-and-down sliding operation of the output shaft 5 is not influenced by the engagement of the teeth.
In the scheme, the design of the cambered cam 9 and the plane cam 8 is adopted, so that when the cambered cam 9 and the plane cam 8 are driven to synchronously rotate, the turret 6 intermittently rotates, the output shaft 5 intermittently rotates along with the turret 6, and the output shaft 5 vertically and reciprocally slides along the central fixed shaft 1 under the action of the rocker arm 10, the rotary lifting and the rapid switching of the double exchange tables can be realized, the machining efficiency of the machine tool is effectively improved, and the machine tool is reliable in structure, convenient to produce and convenient to install.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a rotatory lifting mechanism of two commutators, sets up in box (12), box (12) are installed on the lathe, including central fixed axle (1), central fixed axle (1) is fixed with the lathe, its characterized in that: the device is characterized by further comprising a turret (6) and an arc cam (9), wherein a single-rod bearing (3) is fixed on the outer peripheral surface of the turret (6), the single-rod bearing (3) is matched with the arc cam (9) and drives the turret (6) to intermittently rotate through the arc cam (9), two sides of the arc cam (9) are respectively provided with a plane cam (8) which synchronously rotates with the arc cam (9), a rocker arm (10) is further arranged in the box body (12), one end of the rocker arm (10) is in transmission connection with the plane cam (8), the central fixed shaft (1) is externally matched and sleeved with a force output shaft (5) which can slide up and down along the central fixed shaft (1), the outer peripheral surface of the force output shaft (5) is provided with a groove (4), one end of the rocker arm (10) is in transmission connection with the plane cam (8), and the other end of the rocker arm is connected with the groove (4) in the force output shaft (5) and pushes the force output shaft (5) to move up and down along the central Performing repeated sliding; sliding teeth (2) are fixed at the lower end of the outer peripheral surface of the output shaft (5), fixed teeth (7) are fixed at the lower end of the outer peripheral surface of the turret (6), the sliding teeth (2) are meshed with the fixed teeth (7), and the length of the fixed teeth (7) in the axial direction of the central fixed shaft (1) is not less than the sliding amplitude length of the output shaft (5).
2. A rotary lifting mechanism for a dual exchange station as claimed in claim 1, wherein: the center of the cambered surface cam (9) and the center of the plane cam (8) are provided with shaft holes, and a power shaft which is matched with the shaft holes and drives the cambered surface cam (9) and the plane cam (8) to synchronously rotate is rotationally connected in the box body (12).
3. A rotary lifting mechanism for a dual exchange station as claimed in claim 2, wherein: the box body (12) is also provided with a power device for driving the power shaft to rotate.
4. A rotary lifting mechanism for a dual exchange station as claimed in claim 1, wherein: the two ends of the rocker arm (10) are also respectively provided with a single-rod bearing (3), one end of the single-rod bearing is linearly cut with the plane cam (8) through the single-rod bearing (3), and the other end of the single-rod bearing is linearly cut with the groove (4) of the output shaft (5) through the single-rod bearing (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920766552.1U CN210255137U (en) | 2019-05-24 | 2019-05-24 | Rotary lifting mechanism of double exchange tables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920766552.1U CN210255137U (en) | 2019-05-24 | 2019-05-24 | Rotary lifting mechanism of double exchange tables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210255137U true CN210255137U (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920766552.1U Active CN210255137U (en) | 2019-05-24 | 2019-05-24 | Rotary lifting mechanism of double exchange tables |
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| CN (1) | CN210255137U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453923A (en) * | 2022-02-16 | 2022-05-10 | 冈田精机丹阳有限公司 | Cam and oil pressure composite driven double-exchange numerical control turntable |
-
2019
- 2019-05-24 CN CN201920766552.1U patent/CN210255137U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453923A (en) * | 2022-02-16 | 2022-05-10 | 冈田精机丹阳有限公司 | Cam and oil pressure composite driven double-exchange numerical control turntable |
| CN114453923B (en) * | 2022-02-16 | 2022-07-29 | 冈田精机丹阳有限公司 | Cam and oil pressure composite driven double-exchange numerical control rotary table |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.12 workshop, 377 Wuyi South Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province 213000 Patentee after: Jiangsu Desu Intelligent Machinery Co.,Ltd. Address before: No.12 workshop, 377 Wuyi South Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province 213000 Patentee before: CHANGZHOU DESU MACHINERY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |