CN211727508U - Angle accessory head with transmission - Google Patents
Angle accessory head with transmission Download PDFInfo
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- CN211727508U CN211727508U CN201922483060.4U CN201922483060U CN211727508U CN 211727508 U CN211727508 U CN 211727508U CN 201922483060 U CN201922483060 U CN 201922483060U CN 211727508 U CN211727508 U CN 211727508U
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- main shaft
- angle
- transmission
- belt
- speed reducer
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Abstract
The utility model discloses a belt-driven angle accessory head, which comprises a shell, a power mechanism, a transmission mechanism and a main shaft; the power mechanism and the transmission mechanism are arranged in the shell; the power mechanism comprises a servo motor and a speed reducer, the servo motor is connected with the speed reducer, and an input shaft and an output shaft of the speed reducer are vertically arranged; the transmission mechanism comprises a driving wheel, a transmission belt and a driven wheel, and the driving wheel is arranged on an output shaft of the speed reducer; one side of the main shaft is arranged on the shell through a rotating shaft, one end of the rotating shaft, which is far away from the main shaft, is provided with a driven wheel, the driving wheel is connected with the driven wheel through a transmission belt, and the main shaft and the power mechanism are arranged on the same side of the transmission mechanism. The accessory head has the advantages of small volume, simple structure, suitability for deep cavity structure processing and the like.
Description
Technical Field
The utility model relates to a lathe main shaft technical field, concretely relates to belt drive's angle attaches piece head.
Background
In the fields of aviation, national defense and the like, deep cavity machining is often required, however, the conventional machine tool spindle is generally installed on a machine tool at a fixed angle or needs to be adjusted by hand, so that the machine tool spindle is large in size and is not suitable for machining a deep cavity structure with narrow space.
SUMMERY OF THE UTILITY MODEL
The utility model provides a driven angle accessory head has solved current lathe accessory head bulky, and the structure is complicated, is not suitable for the problem of carrying out dark chamber processing.
The utility model discloses a technical means as follows:
an angle accessory head with transmission comprises a shell, a power mechanism, a transmission mechanism and a main shaft; the power mechanism and the transmission mechanism are arranged in the shell;
the power mechanism comprises a servo motor and a speed reducer, the servo motor is connected with the speed reducer, and an input shaft and an output shaft of the speed reducer are vertically arranged;
the transmission mechanism comprises a driving wheel, a transmission belt and a driven wheel, and the driving wheel is mounted on an output shaft of the speed reducer;
one side of the main shaft is installed on the shell through a rotating shaft, one end, far away from the main shaft, of the rotating shaft is provided with the driven wheel, the driving wheel is connected with the driven wheel through the transmission belt, and the main shaft and the power mechanism are located on the same side of the transmission mechanism.
Further, the one end of casing is main shaft installation end, main shaft installation end is equipped with the main shaft installation department, the main shaft passes through the axis of rotation and installs on the main shaft installation department, the main shaft with arrange in from the driving wheel the both sides of main shaft installation department.
Further, one side, provided with a driven wheel, of the main shaft installation part is also provided with a clamping device for clamping the main shaft, and the clamping device is arranged between the main shaft installation part and the driven wheel.
Further, the clamping device is a pneumatic shaft clamping device.
Further, the axis of rotation with the one end that the main shaft is connected is equipped with the fixed disk, the axis of rotation pass through the fixed disk with main shaft fixed connection, the fixed disk is installed towards one side from the driving wheel and is used for measuring the angle measurement system of main shaft swing angle.
Further, angle measurement system includes circle grating and reading head, circle grating installs on the fixed disk, the reading head is installed on the main shaft installation department
Further, the main shaft installation department orientation one side of main shaft still is equipped with angle measurement system and holds the chamber, the reading head is installed on angle measurement system holds the inner wall in chamber, the circle grating is installed on the fixed disk, and on axis of rotation axis direction, part the circle grating is arranged in angle measurement system holds in the chamber.
Compared with the prior art, driven angle of area attach the head and have following advantage, servo motor vertically sets up (is in vertical state), and through speed reducer and belt drive structure drive main shaft, make the main shaft be in the space of the extension line of servo motor output shaft, the space that servo motor and main shaft occupy has been reduced, the volume that the swing attached the head has been reduced, make the main shaft can get into in narrow and small space, simultaneously because the belt drive structure can drive the main shaft swing, therefore, can be convenient process the deep cavity, and simultaneously, the steam generator has a simple structure, assembly easy maintenance, low in manufacturing cost's etc. advantage.
Drawings
FIG. 1 is a block diagram of a belt driven angle attachment head provided by the present invention;
FIG. 2 is a front view of the belt driven angle attachment head provided by the present invention;
fig. 3 is a schematic diagram of the range of the swing angle of the belt-driven angle attachment head provided by the present invention.
In the figure: 1. the device comprises a machine shell, 11, a main shaft mounting part, 12, a main shaft accommodating space, 13, a main shaft mounting end, 14, an angle measuring system accommodating cavity, 20, a servo motor, 21, a speed reducer, 22, a driving wheel, 23, a transmission belt, 24, a driven wheel, 25, a mounting plate, 30, a main shaft, 31, a rotating shaft, 310, a fixed disc, 32, a bearing, 4, a clamping device, 5, an angle measuring system, 50, a circular grating, 51 and a reading head.
Detailed Description
Fig. 1 and 2 show a belt-driven angle accessory head of the present invention, which includes a housing 1, a power mechanism, a transmission mechanism, and a main shaft 30; the power mechanism and the transmission mechanism are arranged in the shell 1; as shown in the figure, in the present embodiment, the housing 1 is a long and narrow cavity structure, one end (lower end in the figure) of the housing 1 is provided with a spindle mounting portion 11, the spindle mounting portion 11 is offset from the central position of the housing (i.e. the spindle mounting portion is arranged at the side portion of the lower end of the housing), and a spindle accommodating space 12 in which a spindle can be arranged is formed between the lower portion of the housing and the spindle mounting portion.
The power mechanism and the transmission mechanism are arranged in the shell 1; specifically, the power mechanism comprises a servo motor 20 and a speed reducer 21, the servo motor 20 is longitudinally arranged in the casing 1 (that is, the output shaft of the servo motor is consistent with the length direction of the casing), the output shaft of the servo motor 20 is connected with the input shaft of the speed reducer 21, and the input shaft of the speed reducer 21 is perpendicular to the output shaft; the transmission mechanism comprises a driving wheel 22, a transmission belt 23 and a driven wheel 23, and the driving wheel 22 is mounted on an output shaft of the speed reducer 21; the main shaft 30 is arranged in the main shaft accommodating space 12, one side wall of the main shaft 30 is fixed to one end of the rotating shaft 31, in this embodiment, one end of the rotating shaft 31 is provided with a fixed disc 310 (flange structure), the main shaft 30 is fixedly connected with the fixed disc 310 through a bolt, the main shaft mounting portion 11 is provided with a bearing mounting hole, the rotating shaft 31 is provided with a bearing 32, the bearing 32 is mounted in the bearing mounting hole, the other end of the rotating shaft 31 is provided with a driven wheel 24, and the driving wheel 22 is connected with the driven wheel 24 through a transmission belt 23. The main shaft is arranged on the shell through a rotating shaft, so that the servo motor and the main shaft are positioned on the same side of the transmission mechanism (namely the main shaft is positioned in the extending direction of the output shaft of the servo motor). The utility model arranges the servo motor longitudinally, drives the main shaft through the speed reducer with the input shaft vertical to the output shaft and the belt transmission mechanism, so that the servo motor, the speed reducer and the main shaft are arranged approximately linearly, the width of the swinging shaft can be reduced, so that the main shaft is arranged in a long and narrow structure and is convenient to extend into a deep cavity, meanwhile, the servo motor can drive the main shaft to swing around the central axis of the rotating shaft through the speed reducer and the belt transmission structure, as shown in fig. 3, the length of the main shaft mounting part is long enough, that is, the main shaft swing does not interfere with the machine shell, the main shaft can realize large-angle swing, the angle a of the accessory head which can swing in two directions reaches 90 to 120 degrees, the swing angle of the main shaft can reach 180 degrees to 240 degrees, the swing of the main shaft can exceed the horizontal line and swing upwards by an angle b to reach 30 degrees, and the deep cavity can be conveniently processed. The transmission mechanism can adopt friction type belt transmission (flat belt, V belt and other structures), in the embodiment, the transmission structure adopts meshing type belt transmission (synchronous belt structure transmission), and the transmission accuracy can be ensured by adopting the synchronous belt structure for transmission.
Further, a clamping device 4 for clamping the main shaft is further installed on one side, provided with the driven wheel 24, of the main shaft installation part 11, and the clamping device 4 is arranged between the main shaft installation part 11 and the driven wheel 24. Preferably, clamping device 4 is pneumatic shaft clamping device, and pneumatic shaft clamping device installs on the main shaft installation department and overlaps in the axis of rotation, can realize pressing from both sides tightly and unclamping the axis of rotation through setting up clamping device 4, and then can realize pressing from both sides tightly and unclamping the main shaft, so that when the main shaft rotates, clamping device unclamps the axis of rotation, through the swing of transmission shaft control main shaft, after the main shaft swings certain angle, when clamping device presss from both sides tight rotation, so that the main shaft processes, in this embodiment, adopt pneumatic shaft clamping device can guarantee the cleanness of appendage head, do not have hydraulic oil pollution.
Further, axis of rotation 31 with the one end that main shaft 30 is connected is equipped with fixed disk 310, axis of rotation 31 passes through fixed disk 310 with main shaft 30 fixed connection, fixed disk 310 is installed towards one side from driving wheel 24 and is used for measuring angle measurement system 5 of main shaft swing angle, angle measurement system 5 adopt the circular induction synchronous ware, in this embodiment, angle measurement system 5 includes circular grating 50 and reading head 51, circular grating 50 installs on fixed disk 310, reading head 51 installs on the main shaft installation department 11. By arranging the angle measuring system, the detection of the swing angle of the main shaft can be realized, so that the closed-loop control of the main shaft is realized, and the swing precision of the main shaft is improved. Meanwhile, the circular grating is arranged on the fixed disc (close to the bearing accessory), so that the rotation precision is high, the influence of the cutting force of the main shaft and the tension of the input end transmission belt is avoided, the swing angle of the main shaft is directly measured, and the positioning precision is improved.
Further, the main shaft installation part 11 faces towards one side of the main shaft 30 is further provided with an angle measurement system accommodating cavity 14, the reading head 51 is installed on the inner wall of the angle measurement system accommodating cavity 14, the circular grating 50 is installed on the fixed disc 310, and in the direction of the axis of the rotating shaft, part of the circular grating 50 is arranged in the angle measurement system accommodating cavity 14. Because the angle measurement system accommodating cavity is arranged, the angle measurement system can be arranged in the angle measurement system accommodating cavity, the width of the accessory head is further reduced, and the deep cavity structure processing is facilitated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. An angle accessory head with transmission comprises a shell (1), a power mechanism, a transmission mechanism and a main shaft (30); the power mechanism and the transmission mechanism are arranged in the shell (1); the method is characterized in that:
the power mechanism comprises a servo motor (20) and a speed reducer (21), the servo motor (20) is connected with the speed reducer (21), and an input shaft and an output shaft of the speed reducer (21) are arranged vertically;
the transmission mechanism comprises a driving wheel (22), a transmission belt (23) and a driven wheel (24), and the driving wheel (22) is mounted on an output shaft of the speed reducer (21);
one side of the main shaft (30) is installed on the machine shell (1) through a rotating shaft (31), one end, far away from the main shaft, of the rotating shaft (31) is installed on the driven wheel (24), the driving wheel (22) and the driven wheel (24) are connected through the transmission belt (23), and the main shaft (30) and the power mechanism are located on the same side of the transmission mechanism.
2. The belt driven angle attachment head of claim 1, wherein: the one end of casing (1) is main shaft installation end (13), main shaft installation end (13) are equipped with main shaft installation department (11), main shaft (30) are installed through axis of rotation (31) on main shaft installation department (11), main shaft (30) with arrange in from driving wheel (24) the both sides of main shaft installation department (11).
3. The belt driven angle attachment head of claim 2, wherein: one side of the main shaft installation part (11) provided with the driven wheel (24) is also provided with a clamping device for clamping the main shaft, and the clamping device is arranged between the main shaft installation part (11) and the driven wheel (24).
4. The belt driven angle attachment head of claim 3, wherein: the clamping device is a pneumatic shaft clamping device.
5. The belt driven angle attachment head of any one of claims 2 to 4, wherein: axis of rotation (31) with the one end that main shaft (30) are connected is equipped with fixed disk (310), axis of rotation (31) pass through fixed disk (310) with main shaft (30) fixed connection, fixed disk (310) are installed towards one side from driving wheel (24) and are used for measuring angle measurement system (5) of main shaft swing angle.
6. The belt driven angle attachment head of claim 5, wherein: angle measurement system (5) include circle grating (50) and reading head (51), circle grating (50) are installed on fixed disk (310), reading head (51) are installed on main shaft installation department (11).
7. The belt driven angle attachment head of claim 6, wherein: main shaft installation department (11) orientation one side of main shaft (30) still is equipped with angle measurement system and holds chamber (14), reading head (51) are installed on angle measurement system holds the inner wall of chamber (14), the circle grating is installed on fixed disk (310), and on axis of rotation direction, part the circle grating is arranged in angle measurement system holds in the chamber (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483060.4U CN211727508U (en) | 2019-12-31 | 2019-12-31 | Angle accessory head with transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922483060.4U CN211727508U (en) | 2019-12-31 | 2019-12-31 | Angle accessory head with transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211727508U true CN211727508U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922483060.4U Active CN211727508U (en) | 2019-12-31 | 2019-12-31 | Angle accessory head with transmission |
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|---|---|
| CN (1) | CN211727508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036939A (en) * | 2019-12-31 | 2020-04-21 | 科德数控股份有限公司 | Angle accessory head with transmission |
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2019
- 2019-12-31 CN CN201922483060.4U patent/CN211727508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036939A (en) * | 2019-12-31 | 2020-04-21 | 科德数控股份有限公司 | Angle accessory head with transmission |
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