CN210034336U - Gear clearance eliminating structure of distribution disc - Google Patents
Gear clearance eliminating structure of distribution disc Download PDFInfo
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- CN210034336U CN210034336U CN201920704988.8U CN201920704988U CN210034336U CN 210034336 U CN210034336 U CN 210034336U CN 201920704988 U CN201920704988 U CN 201920704988U CN 210034336 U CN210034336 U CN 210034336U
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Abstract
A clearance eliminating structure for a gear clearance of a distribution disk is characterized in that when a motor rotates clockwise, a driving gear I is driven to rotate anticlockwise under the condition of keeping no clearance, a driven gear rotates clockwise under the condition of no clearance, the clockwise rotation of a main shaft is achieved, and no contact exists between a driving gear II and the driving gear. When the motor rotates anticlockwise, the driving gear rotates anticlockwise, the driving transmission gear II rotates clockwise under the condition that the driving transmission gear II keeps no clearance, the driven gear rotates anticlockwise under the condition that the driving transmission gear II keeps no clearance, the main shaft rotates anticlockwise, the transmission gear I rotates along the pointer under the condition that the transmission gear I keeps no clearance, no contact exists between the transmission gear I and the driving gear, the purpose of eliminating the clearance is achieved, and the precision of the circular workpiece during indexing is improved.
Description
Technical Field
The utility model relates to a circular workpiece processingequipment technical field, concretely relates to distribution disk gear clearance structure that disappears.
Background
For the processing of large circular workpieces such as drums, a plurality of holes with high requirements on form and position tolerance need to be processed on the circumference, so that an indexing disc needs to be used for completing indexing, and the workpiece needs to be driven by the indexing disc to rotate along the axis to process the next row after each row of holes are drilled. And requires high precision of revolution (high precision of hole pitch on the circumference). Because the workpiece is heavy in weight and large in rotation torque, a transmission gear of the index plate needs to be a large-module gear, a transmission gap between the large-module gears is large, if the gap cannot be eliminated, the processing of the workpiece is affected, and the traditional method adopting double motors for eliminating the gap is high in cost, large in occupied space and high in processing precision requirement.
Disclosure of Invention
The utility model discloses an overcome not enough of above technique, provide a simple structure, low in manufacturing cost, effectively eliminate transfer plate gear clearance gap structure that disappears in gear clearance.
The utility model overcomes the technical scheme that its technical problem adopted is:
the utility model provides a distribution disk gear clearance gap structure that disappears, includes the box of graduated disk, installs the main shaft in the box and installs the driven gear on main shaft through bearing horizontal rotation, its characterized in that still includes:
the linear guide rail is vertically arranged on the box body, and the sliding seat is arranged on the linear guide rail in a sliding manner along the vertical direction;
the speed reducer is arranged on the sliding seat, the input shaft end of the speed reducer is connected with a motor in a transmission way, and the output shaft of the speed reducer is provided with a driving gear;
the transmission gear I is rotatably arranged in the box body and is positioned at the left end of the driving gear, the transmission gear I is meshed with the driven gear, and teeth of the transmission gear I at the meshed part are contacted with tooth grooves of the driven gear in the clockwise direction;
the transmission gear II is rotatably arranged in the box body and is positioned at the right side end of the driving gear, the transmission gear II is meshed with the driven gear, and teeth of the transmission gear II at the meshed part are contacted with tooth grooves of the driven gear in the anticlockwise direction; and
the sliding seat adjusting mechanism is arranged on the box body and used for adjusting the height of the sliding seat, the sliding seat adjusting mechanism drives the driving gear to be meshed with the transmission gear I and the transmission gear II respectively, the tooth of the driving gear at the meshing part of the driving gear and the transmission gear I is contacted with the tooth groove of the transmission gear I in the anticlockwise direction, and the tooth of the driving gear at the meshing part of the driving gear and the transmission gear II is contacted with the tooth groove of the transmission gear II in the clockwise direction.
Furthermore, above-mentioned slide adjustment mechanism includes that the adjusting screw who fits the box lower extreme soon along vertical direction and vertical sets up in a plurality of regulating spindles of box lower extreme, adjusting screw's up end contacts with the lower extreme of slide, and adjusting screw passes through II locking of nut and fixes, the bottom in the slide is inserted in to the slip cartridge in the regulating spindle upper end, is provided with the dish spring between slide and the regulating spindle, the regulating spindle passes through I locking of nut and fixes.
The utility model has the advantages that: when the motor rotates clockwise, the driving gear I is driven to rotate anticlockwise under the condition that no clearance is kept, the driven gear rotates clockwise under the condition that no clearance is kept, the clockwise rotation of the main shaft is achieved, and the driving gear II is not in contact with the driving gear. When the motor rotates anticlockwise, the driving gear rotates anticlockwise, the driving transmission gear II rotates clockwise under the condition that the driving transmission gear II keeps no clearance, the driven gear rotates anticlockwise under the condition that the driving transmission gear II keeps no clearance, the main shaft rotates anticlockwise, the transmission gear I rotates along the pointer under the condition that the transmission gear I keeps no clearance, no contact exists between the transmission gear I and the driving gear, the purpose of eliminating the clearance is achieved, and the precision of the circular workpiece during indexing is improved.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the cross-sectional structure along the line B-B in FIG. 1;
fig. 4 is a schematic view of the gear engagement state of the present invention;
in the figure, 1, a box body 2, a motor 3, an adjusting shaft 4, a nut I5, a disc spring 6, an adjusting screw 7, a nut II 8, a speed reducer 9, a sliding seat 10, a driving gear 11, a main shaft 12, a driven gear 13, a linear guide rail 14, a transmission gear I15 and a transmission gear II are arranged.
Detailed Description
The present invention will be further described with reference to fig. 1 to 4.
The utility model provides a distribution disk gear clearance gap structure that disappears, includes the box 1 of graduated disk, installs main shaft 11 in box 1 and installs driven gear 12 on main shaft 11 through bearing horizontal rotation, its characterized in that still includes: the linear guide rail 13 is vertically arranged on the box body 1, and the sliding seat 9 is arranged on the linear guide rail 13 in a sliding manner along the vertical direction; the speed reducer 8 is arranged on the sliding seat 9, the input shaft end of the speed reducer 8 is connected with the motor 2 in a transmission mode, and the output shaft of the speed reducer 8 is provided with a driving gear 10; the transmission gear I14 is rotatably arranged in the box body 1, the transmission gear I14 is positioned at the left end of the driving gear 10, the transmission gear I14 is meshed with the driven gear 12, and the teeth of the transmission gear I14 at the meshed part are contacted with the tooth grooves of the driven gear 12 in the clockwise direction; the transmission gear II 15 is rotatably arranged in the box body 1, the transmission gear II 15 is positioned at the right side end of the driving gear 10, the transmission gear II 15 is meshed with the driven gear 12, and the teeth of the transmission gear II 15 at the meshed part are contacted with the tooth grooves of the driven gear 12 in the anticlockwise direction; and the sliding seat adjusting mechanism is arranged on the box body 1 and used for adjusting the height of the sliding seat 9, the sliding seat adjusting mechanism drives the driving gear 10 to be respectively meshed with the transmission gear I14 and the transmission gear II 15, the teeth of the driving gear 10 at the meshing part of the driving gear 10 and the transmission gear I14 are contacted with the tooth space of the transmission gear I14 in the anticlockwise direction, and the teeth of the driving gear 10 at the meshing part of the driving gear 10 and the transmission gear II 15 are contacted with the tooth space of the transmission gear II 15 in the clockwise direction. When the motor 2 rotates clockwise, the motor drives the driving gear 10 to rotate clockwise after the torque is reduced and amplified through the speed reducer 8, the teeth of the driving gear 10 are in contact with the tooth spaces of the transmission gear I14 in the counterclockwise direction, so that the transmission gear I14 is driven to rotate counterclockwise under the condition of no clearance, the teeth of the transmission gear I14 are in contact with the tooth spaces of the driven gear 12 in the clockwise direction, the driven gear 12 is driven to rotate clockwise under the condition of no clearance, the spindle 11 is driven to rotate clockwise, the teeth of the transmission gear II 15 are in contact with the tooth spaces of the driven gear 12 in the counterclockwise direction, the transmission gear II 15 keeps rotating counterclockwise without clearance, and the transmission gear II 15 is in no contact with the driving gear 10, namely, power is. When the motor 2 rotates anticlockwise, the driving gear 10 rotates anticlockwise, teeth of the driving gear 10 are in contact with tooth grooves of the transmission gear II 15 in the clockwise direction, so that the driving transmission gear II 15 rotates clockwise under the condition of no clearance, the transmission gear II 15 drives the driven gear 12 to rotate anticlockwise under the condition of no clearance, so that the spindle 11 rotates anticlockwise, the driven gear 12 drives the transmission gear I14 to rotate along a pointer under the condition of no clearance, and because teeth of the driving gear 10 are in contact with tooth grooves of the transmission gear I14 in the anticlockwise direction, the transmission gear I14 is not in contact with the driving gear, namely power is not transmitted mutually. Therefore, when the driving gear 10 rotates clockwise or anticlockwise, the driven gear 12 can be ensured to rotate without clearance, the purpose of eliminating the clearance is achieved, and the indexing precision of the circular workpiece is improved.
Slide adjustment mechanism can be following structure, it includes that the vertical direction is screwed in adjusting screw 6 and the vertical a plurality of regulating spindle 3 that set up in the 1 lower extreme of box of 1 lower extreme of box 1, adjusting screw 6's up end contacts with the lower extreme of slide 9, adjusting screw 6 is fixed through II 7 locks of nut, the sliding cartridge in the bottom of slide 9 in the upper end of regulating spindle 3, be provided with dish spring 5 between slide 9 and the regulating spindle 3, regulating spindle 3 is fixed through I4 locks of nut. The slide seat 9 can be driven to move up quickly along the linear guide rail 13 by rotating the adjusting screw 6, and the nut II 7 is screwed after the slide seat is in place, so that fixation can be realized. Then, the position of the adjusting shaft 3 is adjusted, so that the elastic force of the disc spring 5 on the sliding seat 9 meets the meshing state of the driving gear 10, the transmission gear I14 and the transmission gear II 15, and then the position of the adjusting shaft 3 is fixed by screwing the nut I4.
Claims (2)
1. The utility model provides a distribution disk gear clearance gap structure that disappears, includes box (1) of graduated disk, installs main shaft (11) in box (1) and installs driven gear (12) on main shaft (11) through bearing horizontal rotation, its characterized in that still includes:
the linear guide rail (13) is vertically arranged on the box body (1), and the sliding seat (9) is arranged on the linear guide rail (13) in a sliding manner along the vertical direction;
the speed reducer (8) is arranged on the sliding seat (9), the input shaft end of the speed reducer (8) is connected with the motor (2) in a transmission way, and the output shaft of the speed reducer (8) is provided with a driving gear (10);
the transmission gear I (14) is rotatably arranged in the box body (1), the transmission gear I (14) is located at the left side end of the driving gear (10), the transmission gear I (14) is meshed with the driven gear (12), and teeth of the transmission gear I (14) at the meshed part are contacted with tooth grooves of the driven gear (12) in the clockwise direction;
the transmission gear II (15) is rotatably arranged in the box body (1), the transmission gear II (15) is located at the right side end of the driving gear (10), the transmission gear II (15) is meshed with the driven gear (12), and teeth of the transmission gear II (15) at the meshed part are contacted with tooth grooves of the driven gear (12) in the anticlockwise direction; and
the sliding seat adjusting mechanism is arranged on the box body (1) and used for adjusting the height of the sliding seat (9), the sliding seat adjusting mechanism drives a driving gear (10) to be meshed with a transmission gear I (14) and a transmission gear II (15) respectively, teeth of the driving gear (10) at the meshing position of the driving gear (10) and the transmission gear I (14) are contacted with tooth grooves of the transmission gear I (14) in the anticlockwise direction, and teeth of the driving gear (10) at the meshing position of the driving gear (10) and the transmission gear II (15) are contacted with tooth grooves of the transmission gear II (15) in the clockwise direction.
2. The transfer disk gear clearance anti-backlash structure of claim 1, wherein: slide adjustment mechanism includes that along vertical direction screw-on adjusting screw (6) and the vertical a plurality of regulating spindle (3) that set up in box (1) lower extreme, the up end of adjusting screw (6) contacts with the lower extreme of slide (9), and adjusting screw (6) are fixed through nut II (7) locking, adjusting spindle (3) upper end slip cartridge is provided with dish spring (5) in the bottom of slide (9) between slide (9) and regulating spindle (3), adjusting spindle (3) are fixed through I (4) locking of nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704988.8U CN210034336U (en) | 2019-05-17 | 2019-05-17 | Gear clearance eliminating structure of distribution disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920704988.8U CN210034336U (en) | 2019-05-17 | 2019-05-17 | Gear clearance eliminating structure of distribution disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034336U true CN210034336U (en) | 2020-02-07 |
Family
ID=69365841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920704988.8U Active CN210034336U (en) | 2019-05-17 | 2019-05-17 | Gear clearance eliminating structure of distribution disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034336U (en) |
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2019
- 2019-05-17 CN CN201920704988.8U patent/CN210034336U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200424 Address after: 250101 room 301-325, auxiliary building, no.2222, Century Avenue, high tech Zone, Jinan City, Shandong Province Patentee after: Shandong Fayin CNC Mechanical Equipment Co., Ltd Address before: 250101 No. 2222 Century Avenue, hi tech Zone, Shandong, Ji'nan Patentee before: SHANDONG FIN CNC MACHINE Co.,Ltd. |
|
| TR01 | Transfer of patent right |