CN209902795U - Accurate indexing mechanism based on ratchet - Google Patents
Accurate indexing mechanism based on ratchet Download PDFInfo
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- CN209902795U CN209902795U CN201920627349.6U CN201920627349U CN209902795U CN 209902795 U CN209902795 U CN 209902795U CN 201920627349 U CN201920627349 U CN 201920627349U CN 209902795 U CN209902795 U CN 209902795U
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Abstract
An accurate indexing mechanism based on a ratchet wheel belongs to the technical field of accurate angle feeding control of an industrial automatic assembly line or a machine tool for inspection, assembly or processing, realizes accurate angle feeding through intermittent rotation of the ratchet wheel, and comprises a base plate, a first support, a first hinged support, a first rotating pin, a first air cylinder, a first joint, a second rotating pin, a support pin, a spring, a rotating arm, a pawl, a cantilever, an axle seat, a second support, a second hinged support, a third rotating pin, a second air cylinder, a second joint, a fourth rotating pin, an indexing claw, a support shaft, an indexing wheel, an indexing table and the ratchet wheel; the whole mechanism has clear and reasonable working principle, smooth and rapid action, compact and reasonable station, convenient debugging and maintenance, high automation degree, simplification, integration and generalization, reduces the labor intensity, improves the production efficiency, saves the production cost and is suitable for the development trend of the current industrial automatic production line or the accurate feeding angle control of a machine tool.
Description
Technical Field
The utility model belongs to the technical field of the accurate angle feed control that industrial automation assembly line or lathe is used for inspection, assembly or processing, through the intermittent type of ratchet rotation, realize accurate angle feed, relate to an accurate indexing mechanism based on the ratchet.
Background
At present, when an industrial production line or a machine tool is used for feeding by a rotation angle, manual operation or motor control is adopted, so that on one hand, the labor intensity is high, the working efficiency is low, on the other hand, the operation cost is high, the installation and maintenance are inconvenient, the precision simplification, integration and generalization cannot be realized, the integral automation degree is low, and the method is not suitable for the development trend of the current industrial automatic production line or machine tool for controlling the accurate feeding angle.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of the aforesaid existence, provide an accurate indexing mechanism based on ratchet, through the intermittent type rotation of ratchet, realize accurate angle feed, the station is compact reasonable, the action is steady rapidly, the debugging of being convenient for is maintained, degree of automation is high, has simplified, integrated and universalization, has reduced intensity of labour, has improved production efficiency, has practiced thrift manufacturing cost, is adapted to the development trend of current industrial automation flow production line or the accurate feeding angle control of lathe.
The technical scheme of the utility model as follows:
an accurate indexing mechanism based on a ratchet wheel is characterized by comprising a base plate, a first cylinder, a spring, a rotating arm, a pawl, a shaft seat, a second cylinder, an indexing claw, an indexing wheel and the ratchet wheel; the shaft seat is fixed on the base plate, the first air cylinder and the second air cylinder are respectively and rotatably connected to the base plate through the first support and the second support, one end of the rotating arm is rotatably connected with an output shaft of the first air cylinder, and the other end of the rotating arm is rotatably connected to the shaft seat; the indexing wheel is fixedly connected with the ratchet wheel, and a plurality of tooth grooves are uniformly formed in the outer edge of the indexing wheel; the middle part of the pawl is rotationally connected with the rotating arm through a cantilever, one end of the pawl is connected with the rotating arm through a spring, and the other end of the pawl is clamped between two adjacent ratchet teeth; the tail of the indexing claw is rotationally connected with an output shaft of the second cylinder, the middle of the indexing claw is rotationally connected with the substrate through a fulcrum shaft, and the head of the indexing claw is provided with a hook for being inserted into a tooth groove of the indexing wheel.
Preferably, the first support is fixedly connected with the base plate, and the first air cylinder is rotatably connected with the first support through the first hinged support; the second support is fixedly connected with the base plate, and the second air cylinder is rotatably connected with the second support through a second hinged support.
Preferably, an output shaft of the first air cylinder is fixedly connected with a first joint, and the rotating arm is rotatably connected with a first joint through a second rotating pin; and an output shaft of the second cylinder is fixedly connected with a second connector, and the indexing claw is rotationally connected with the second connector through a fourth rotating pin.
Preferably, two ends of the spring are respectively and fixedly connected with the rotating arm and the pawl through a support pin.
Preferably, an indexing table for placing a workpiece is fixedly connected to the indexing wheel.
Preferably, the indexing wheel and the ratchet wheel are respectively provided with eight tooth sockets and eight teeth, and the eight tooth sockets and the eight teeth are matched to realize accurate indexing of eight stations.
The utility model has the advantages that: the utility model provides an accurate indexing mechanism based on ratchet, its theory of operation is clear, the action is rapid smooth and easy, reliable convenient, be convenient for maintain the maintenance, can be simplified, integrated and universalization, degree of automation is high, has solved work efficiency low, intensity of labour is big, problems such as manufacturing cost height. The whole mechanism has clear and reasonable working principle, smooth and rapid action, compact and reasonable station, convenient debugging and maintenance, high automation degree, simplification, integration and generalization, reduces the labor intensity, improves the production efficiency, saves the production cost and is suitable for the development trend of the current industrial automatic production line or the accurate feeding angle control of a machine tool.
Drawings
FIG. 1 is a three-dimensional schematic diagram of the structure of the present invention;
FIG. 2 is a three-dimensional schematic view of the structure of the indexing wheel and the indexing table of the present invention;
fig. 3 is a side view of the present invention;
fig. 4 is a schematic view of the center shaft seat of the present invention;
fig. 5 is a schematic view of a swivel arm of the present invention;
fig. 6 is a schematic view of the center indexing wheel of the present invention;
in the figure: the device comprises a base plate 1, a first support 2, a first hinged support 3, a first rotating pin 4, a first air cylinder 5, a first joint 6, a second rotating pin 7, a support pin 8, a spring 9, a rotating arm 10, a pawl 11, a cantilever 12, an axle seat 13, a second support 14, a second hinged support 15, a third rotating pin 16, a second air cylinder 17, a second joint 18, a fourth rotating pin 19, an indexing claw 20, a support shaft 21, an indexing wheel 22, an indexing table 23 and a ratchet wheel 24.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the figure, the accurate indexing mechanism based on the ratchet wheel comprises a support I2, a base plate 1, a hinged support I3, a support I2, a cylinder I5, a joint I6, a rotating arm 10, a rotating pin II 7, a shaft seat 13, a base plate 1, a cantilever 12, a cantilever 10, a pawl 11, two support pins 8, a ratchet wheel 24 and a ratchet wheel 24, wherein the support I2 is fixedly connected with the base plate 1, the hinged support I3 is fixedly connected with the support I2, the cylinder I5 is rotatably connected with the hinged support I3 through the rotating pin I4, the joint I6 is fixedly connected with an output shaft of the cylinder I5, the rotating arm 10 is rotatably connected with the joint I6 through the rotating pin II 7, the rotating arm 10 is rotatably connected with the shaft seat 13, the shaft seat 13 is fixedly connected.
The second support 14 is fixedly connected with the substrate 1, the second hinge base 15 is fixedly connected with the second support 14, the second air cylinder 17 is rotatably connected with the second hinge base 15 through a third rotating pin 16, the second joint 18 is fixedly connected with an output shaft of the second air cylinder 17, the indexing claw 20 is rotatably connected with the second joint 18 through a fourth rotating pin 19, the indexing claw 20 is rotatably connected with a fulcrum shaft 21, the fulcrum shaft 21 is fixedly connected with the substrate 1, the indexing wheel 22 is fixedly connected with the ratchet wheel 24, and the indexing table 23 is fixedly connected with the indexing wheel 22.
As shown in the figure, the working principle of the precise indexing mechanism based on the ratchet wheel is as follows:
firstly, the output shaft of the second air cylinder 17 retracts, the second joint 18 and the fourth rotating pin 19 drive the indexing claw 20 to rotate around the fulcrum shaft 21, and the indexing claw 20 is separated from the tooth groove of the indexing wheel 22;
secondly, the output shaft of the cylinder I5 extends out, the rotating arm 10 is driven to rotate around the shaft seat 13 through the joint I6 and the rotating pin II 7, the rotating arm 10 drives the ratchet wheel 24 to rotate for one station through the cantilever 12 and the pawl 11, the ratchet wheel 24 drives the indexing wheel 22 and the indexing table 23 to rotate for one station (the indexing mechanism comprises eight stations);
then, the output shaft of the second air cylinder 17 extends out, the indexing claw 20 is driven to rotate around the support shaft 21 through the second joint 18 and the fourth rotating pin 19, and the indexing claw 20 is inserted into the tooth groove of the indexing wheel 22;
finally, the output shaft of the cylinder I5 retracts, the rotating arm 10 is driven to rotate around the shaft seat 13 through the joint I6 and the rotating pin II 7, the rotating arm 10 drives the ratchet wheel 24 to return through the cantilever 12 and the pawl 11, the pawl 11 is pressed on the ratchet wheel all the time in the whole process, and the periodic action is continuously repeated subsequently;
in conclusion, the ratchet wheel 24 intermittently rotates to realize accurate angle feeding, and an accurate indexing mechanism based on the ratchet wheel is formed.
The above-mentioned specific embodiment shows and describes the main features of the present invention, the working principle of the whole mechanism is clear, reasonable, convenient and reliable, smooth and rapid, can be simplified, integrated and generalized, and is suitable for the development trend of the current industrial automation production line or the control of the accurate feeding angle of the machine tool; the purpose of the present invention is to provide a person skilled in the art with the understanding and practice of the present invention, which should not be construed as limiting the scope of the present invention, and all equivalent changes and modifications made according to the spirit of the present invention are intended to be covered by the scope of the present invention.
Claims (6)
1. An accurate indexing mechanism based on a ratchet wheel is characterized by comprising a base plate (1), a cylinder I (5), a spring (9), a rotating arm (10), a pawl (11), a shaft seat (13), a cylinder II (17), an indexing claw (20), an indexing wheel (22) and a ratchet wheel (24); the shaft seat is fixed on the base plate, the first air cylinder and the second air cylinder are respectively and rotatably connected to the base plate through a first support (2) and a second support (14), one end of the rotating arm is rotatably connected with an output shaft of the first air cylinder, and the other end of the rotating arm is rotatably connected to the shaft seat; the indexing wheel is fixedly connected with the ratchet wheel, and a plurality of tooth grooves are uniformly formed in the outer edge of the indexing wheel; the middle part of the pawl is rotationally connected with the rotating arm through a cantilever (12), one end of the pawl is connected with the rotating arm through a spring (9), and the other end of the pawl is clamped between two adjacent ratchet teeth; the tail of the indexing claw is rotationally connected with an output shaft of the second cylinder, the middle of the indexing claw is rotationally connected with the substrate through a fulcrum shaft (21), and the head of the indexing claw is provided with a hook for being inserted into a tooth groove of the indexing wheel.
2. The precise indexing mechanism based on the ratchet wheel is characterized in that the first support is fixedly connected with the base plate, and the first air cylinder is rotatably connected with the first support through a first hinge seat (3); the second support is fixedly connected with the base plate, and the second air cylinder is rotatably connected with the second support through a second hinged support (15).
3. The precise indexing mechanism based on the ratchet wheel is characterized in that a first joint (6) is fixedly connected to an output shaft of the first air cylinder, and the rotating arm is rotatably connected with one joint through a second rotating pin (7); and an output shaft of the second cylinder is fixedly connected with a second joint (18), and the indexing claw is rotationally connected with the second joint through a fourth rotating pin (19).
4. A ratchet-based precision indexing mechanism according to claim 1, wherein the spring is fixedly connected at each end to the arm and pawl by a respective fulcrum pin (8).
5. A ratchet-based precision indexing mechanism according to claim 1, wherein an indexing table (23) for placing a workpiece is fixedly attached to the indexing wheel.
6. The precise indexing mechanism based on the ratchet wheel as claimed in claim 1, wherein the indexing wheel and the ratchet wheel are respectively provided with eight tooth sockets and eight teeth, and the eight tooth sockets and the eight teeth are matched to realize precise indexing of eight stations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627349.6U CN209902795U (en) | 2019-05-05 | 2019-05-05 | Accurate indexing mechanism based on ratchet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920627349.6U CN209902795U (en) | 2019-05-05 | 2019-05-05 | Accurate indexing mechanism based on ratchet |
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| CN209902795U true CN209902795U (en) | 2020-01-07 |
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| CN201920627349.6U Active CN209902795U (en) | 2019-05-05 | 2019-05-05 | Accurate indexing mechanism based on ratchet |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250359A (en) * | 2020-01-16 | 2020-06-09 | 张艺凡 | Ratchet transmission type dispensing system for SMT mounting |
| CN111606115A (en) * | 2020-05-27 | 2020-09-01 | 王清伟 | Automatic hacking machine of aluminium foil paper packing cutlery box preparation |
| CN112096151A (en) * | 2020-09-14 | 2020-12-18 | 杭州佳顿智能科技有限公司 | Three-dimensional intelligent garage |
| CN113909365A (en) * | 2021-10-12 | 2022-01-11 | 安徽机电职业技术学院 | Turnplate type feeding automatic die stamping device for closing-up forming die |
| CN114101119A (en) * | 2021-11-12 | 2022-03-01 | 绍兴奥美电子科技有限公司 | Wafer frequency sorting machine and sorting method thereof |
-
2019
- 2019-05-05 CN CN201920627349.6U patent/CN209902795U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111250359A (en) * | 2020-01-16 | 2020-06-09 | 张艺凡 | Ratchet transmission type dispensing system for SMT mounting |
| CN111606115A (en) * | 2020-05-27 | 2020-09-01 | 王清伟 | Automatic hacking machine of aluminium foil paper packing cutlery box preparation |
| CN112096151A (en) * | 2020-09-14 | 2020-12-18 | 杭州佳顿智能科技有限公司 | Three-dimensional intelligent garage |
| CN113909365A (en) * | 2021-10-12 | 2022-01-11 | 安徽机电职业技术学院 | Turnplate type feeding automatic die stamping device for closing-up forming die |
| CN113909365B (en) * | 2021-10-12 | 2024-03-22 | 安徽机电职业技术学院 | Closing-in forming die turntable type feeding automatic die stamping device |
| CN114101119A (en) * | 2021-11-12 | 2022-03-01 | 绍兴奥美电子科技有限公司 | Wafer frequency sorting machine and sorting method thereof |
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