Running-in platform for small speed reducer
Technical Field
The utility model belongs to production equipment, and particularly relates to a running-in platform for a small speed reducer.
Background
The machining industry is the basic industry in modern manufacturing and manufacturing, and is also the foundation stone in modern manufacturing. In the machining industry, the machining of the speed reducer is a considerable proportion of the whole industry. In the modern production industry, gear reducers are widely applied, and meanwhile, requirements on various aspects such as manufacturing precision of products are higher and higher, so that continuous updating and perfecting of production processes are promoted. If the tiny burrs generated in the production process of the gear cannot be completely removed or tooth surface protruding points are generated in the deburring process, the overall performance of the speed reducer can be affected. In order to effectively remove burrs in the gear, running-in procedure work is increased after the processing of the speed reducer is completed. At present, the running-in process production efficiency of a speed reducer is low under the influence of equipment, meanwhile, the requirement on operators is relatively high, most of running-in equipment which is designed independently one by one is not simple and quick and has high universality.
Disclosure of Invention
In view of the above, the present utility model provides a running-in platform for a small-sized decelerator, which can effectively improve running-in efficiency, reduce working strength and operation frequency of operators, and expand the application range of the decelerator.
The technical scheme includes that the running-in platform for the small speed reducer comprises a driving device and a motor controller, wherein the driving device and the motor controller are fixed on a working table, and the motor controller is electrically connected with the driving device; the driving device is connected with the output conversion units, the output conversion units are connected with one output unit, and all the output units are connected in series;
The driving device comprises a direct current motor, a main belt pulley is fixed on a rotating shaft of the direct current motor, the direct current motor is fixed below the working table, and the main belt pulley is fixed above the working table;
The output conversion unit comprises a middle shaft shell, a middle rotating shaft, a secondary belt pulley and a secondary belt pulley, wherein the secondary belt pulley and the secondary belt pulley are respectively fixed at the upper end and the lower end of the middle rotating shaft;
The output unit comprises an output shaft shell, an output shaft and a belt pulley, wherein the output shaft shell is sleeved on the middle section of the output shaft through a deep groove ball bearing II, the belt pulley is fixed at the lower end of the output shaft, the belt pulley is connected with the auxiliary belt pulley through a belt, the upper end of the output shaft is provided with a switching unit which is used for being connected with a speed reducer, the belt pulley is located below a working table, the switching unit is located above the working table, and the output units are connected in series through sleeving a circular belt ring II on the belt pulley.
The switching unit comprises a switching shaft, a switching shell and a bearing, wherein the switching shell is sleeved on the switching shaft through the bearing, the lower end of the switching shaft shell is fixedly connected with the output shaft shell, a square sliding block is arranged at the lower end of the switching shaft, a gear shaft is arranged at the upper end of the switching shaft, a square groove is arranged at the upper end of the output shaft, the square groove is matched with the square sliding block, the square sliding block can be vertically and slidably inserted in the square groove to be coaxially connected, and the gear shaft at the upper end of the switching shaft is inserted with the input end of the speed reducer.
Further, the upper end of switching axle housing is equipped with the cavity that can hold the reduction gear, and the bottom of cavity is equipped with the cylindric lock, and cylindric lock is pegged graft with the locating hole of reduction gear and is realized the location.
Further, a fastening unit is further arranged on the workbench surface and is arranged in the middle of each group of output units; the fastening unit comprises an upright post, a pressing plate and knurled nuts, wherein threaded rods are arranged at the upper end and the lower end of the upright post, the threaded rods at the lower end are vertically screwed on a workbench surface, a mounting hole is formed in the middle of the pressing plate, the pressing plate penetrates through the threaded rods at the upper end through the mounting hole, the knurled nuts are screwed on the threaded rods at the upper end and are used for extruding the pressing plate, U-shaped grooves are formed in the two ends of the pressing plate, the U-shaped grooves can surround the shaft rod at the output end of the speed reducer and keep a space, and the plate body of the pressing plate is used for extruding the speed reducer.
Further, the two U-shaped grooves may be provided as openings in opposite directions.
The driving device is fixed at the middle position of one side of the working table surface, which is close to the edge, the output conversion unit is fixed at the left side of the driving device, the motor controller is fixed at the right side of the driving device, the output units are arranged on the working table surface in a matrix mode in pairs, and the output units in the first row of the left row are connected with the output conversion unit.
Further, the driving device and the output conversion unit are externally sleeved with a protective cover.
Further, the output unit is provided with 2-8 groups.
Further, the main belt pulley is a 90 belt pulley, and the auxiliary belt pulley is a 30 belt pulley.
The running-in platform has the beneficial effects that a single direct current motor is adopted to control the work of a plurality of output units, so that the production cost of the running-in platform is greatly reduced, and the production efficiency is improved. Meanwhile, the switching unit can be replaced according to different models of the speed reducer, so that the adaptability of the running-in platform is further improved. In addition, the round belt loop and the belt pulley are used for transmission, so that production noise is reduced. The motor and the belt pulley can flexibly adjust the input power and the transmission ratio according to different production demands, and can also adjust and replace the switching unit so as to quickly respond to the production demands.
Drawings
FIG. 1 is a schematic overall construction of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic diagram of a driving apparatus according to the present utility model;
FIG. 4 is a schematic diagram of the structure of the output conversion unit of the present utility model;
FIG. 5 is a schematic diagram of an intermediate shaft structure of the output converting unit;
FIG. 6 is a schematic structural view of the intermediate shaft housing of the output conversion unit;
fig. 7 is a schematic structural view of the output unit;
Fig. 8 is a schematic structural view of an output shaft in the output unit;
FIG. 9 is a top view of FIG. 8;
FIG. 10 is a schematic view of the structure of the output shaft housing in the output unit;
FIG. 11 is a schematic diagram of the structure of the switching unit;
FIG. 12 is a schematic view of the structure of the adapter shaft in the adapter unit;
FIG. 13 is a bottom view of FIG. 12;
FIG. 14 is a schematic view of the structure of the adaptor housing in the adaptor unit;
FIG. 15 is a schematic structural view of a column;
Fig. 16 is a schematic structural view of the platen.
In the figure:
1. a working table surface, 2, a protective cover, 3, a motor controller, 4 and a supporting column,
5. A driving device 501, a direct current motor 502, a rotating shaft 503 and a main belt pulley,
6. Output conversion unit 601, intermediate shaft 602, step circle 603, intermediate shaft housing 604, through hole I,605, flange I,606, slave pulley 607, auxiliary pulley 608, deep groove ball bearing I,609, circular belt loop I,
7. Output unit 701, output shaft 702, square groove 703, output shaft housing 704, through hole II,705, flange II,706, belt pulley 707, deep groove ball bearing II,708, circular belt loop II,
8. A switching unit, 801, a switching shaft, 802, a gear shaft, 803, square sliding blocks, 804, bearings, 805, a switching shell, 806, cavities, 807, cylindrical pins, 808, through holes,
9. The device comprises a fastening unit 901, a column 902, an upper end threaded rod 903, a lower end threaded rod 904, a pressing plate 905, a U-shaped groove 906, a mounting hole 907 and a knurled nut.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a running-in platform for a small-sized decelerator includes a work table, a driving device 5, an output conversion unit 6, an output unit 7, and a switching unit 8.
The workbench comprises a workbench surface 1 and four support columns 4. A driving device 5, an output conversion unit 6, an output unit 7 and a motor controller 3 are fixed on the working table surface 1. Two identical output units 7 form a group, and 2-8 groups of output units 7 are arranged on the table top. The driving device 5 is connected to the output conversion unit 6. The output conversion unit 6 is connected to only one output unit 7, and all the output units 7 are connected in series. Each output unit 7 is provided with a switching unit 8.
The driving device 5, the output converting unit 6, and the plurality of output units 7 are arranged as shown in fig. 1 and 2. The driving device 5 is fixed at the middle position of one side of the working table surface 1, which is close to the edge. The output conversion unit 6 is fixed to the left side of the driving device 5, i.e., the output conversion unit 6 is fixed to the upper left corner of the table top 1. The drive device 5 and the output conversion unit 6 are externally sleeved with the protective cover 2. The motor controller 3 is fixed on the right side of the driving device 5, i.e. the motor controller 3 is fixed at the upper right corner of the table top 1. The motor controller 3 is electrically connected with the driving device 5 and is used for controlling parameters such as opening and closing, speed and the like of the driving device 5. The output units 7 are arranged on the workbench surface 1 in a matrix mode in pairs. The output units 7 of the first row of the left column are connected with the output conversion units 6, and the output units 7 in the matrix are all connected in series.
As shown in fig. 3, the driving device 5 is a dc motor 501 and a main pulley 503. The body of the direct current motor 501 is fixed under the working table 1, and a rotating shaft 502 of the direct current motor 501 extends out of the working table 1 vertically upwards. A main pulley 503 is fixed to a rotary shaft 502 of the dc motor 501 by rectangular keys.
As shown in fig. 4 to 6, the output conversion unit 6 includes an intermediate rotary shaft 601, a deep groove ball bearing I608, an intermediate shaft housing 603, a slave pulley 606, and a sub-pulley 607. A step circle 602 is arranged in the middle of the middle rotating shaft 601. The deep groove ball bearings I608 are respectively arranged at two ends of the step circle 602 and are propped against the shaft shoulders of the step circle 602. The length of the stepped circle 602 may control the pitch of the deep groove ball bearings I608. Key grooves are respectively arranged on the shaft bodies at the upper end and the lower end of the middle rotating shaft 601. The secondary pulley 606 is fixed to the upper end of the intermediate rotary shaft 601 by rectangular keys at a position where a key groove is provided. The auxiliary pulley 607 is fixed to a position where a key groove is provided at the lower end of the intermediate rotary shaft 601 by a rectangular key. The intermediate shaft housing 603 is provided with a through hole I604, and the outer periphery of the intermediate shaft housing 603 is provided with a flange I605. The through hole I604 of the intermediate shaft housing 603 is sleeved on the shaft body of the intermediate rotary shaft 601 provided with the deep groove ball bearing I608. The secondary pulley 606 and the secondary pulley 607 are located outside of both ends of the intermediate shaft housing 603. The intermediate shaft housing 603 is fixedly connected to the table top 1 via a flange I605. The intermediate rotary shaft 601 is perpendicular to the table top 1. The secondary pulley 607 is located below the table top 1 from the pulley 606 located above the table top 1. The slave pulley 606 is connected to the main pulley 503 by a circular belt loop I609. The diameter of the primary pulley 503 is larger than the diameter of the secondary pulley 606. The secondary pulley 606 is of uniform diameter with the secondary pulley 607. The main pulley 503 is a 90 pulley 706, and the secondary pulley 606 is a 30 pulley 706.
As shown in fig. 7 to 10, the output unit 7 includes an output shaft 701, an output shaft housing 703, a deep groove ball bearing II707, and a pulley 706. The output shaft 701 is a stepped shaft, shaft diameter of middle shaft lever of output shaft 701 is larger than the shaft diameters of the shaft rods at the two ends. The deep groove ball bearings II707 are respectively arranged at two ends of the shaft lever at the middle section of the output shaft 701 and are propped against the shaft shoulder. The length of the shaft in the middle section of the output shaft 701 can control the interval of the deep groove ball bearings II 707. The lower end of the output shaft 701 is provided with a key groove, and a pulley 706 is fixed to the lower end of the output shaft 701 by a rectangular key. The pulley 706 of the output unit 7 is in the same plane as the secondary pulley 607 of the output adapter unit 8, and is connected by a belt. The upper end of the output shaft 701 is provided with a switching unit 8, and the switching unit 8 is used for being connected with a speed reducer to realize running-in of the speed reducer. The through hole II 704 in the middle of the transmission shaft shell is sleeved on the middle shaft lever provided with the deep groove ball bearing II 707. The upper end of the transmission shaft shell is provided with a flange II 705, and the transmission shaft shell is fixed with the workbench surface 1 through the flange II 705. The output shaft 701 is perpendicular to the table top 1. Pulley 706 is located below table top 1 and adapter unit 8 is located above table top 1. The output conversion unit 6 is connected to only the nearest output unit 7. As shown in fig. 1 for example, the output conversion unit 6 is connected to an output unit 7 located in the first row of the left column in the matrix. The specific connection is that the secondary pulley 607 of the output conversion unit 6 is connected with the pulley 706 of the output unit 7 by a belt. All output units 7 in the matrix are connected in series. The output units 7 are connected by sleeving a circular belt loop II708 on a belt pulley 706.
As shown in fig. 11-14, the adapter unit 8 includes an adapter shaft 801, an adapter housing 805, and a bearing 804. The shaft lever of the adapter shaft 801 is provided with a bearing 804, and a through hole 808 of the adapter housing 805 is sleeved outside the bearing 804. The lower end of the adapter shaft 801 housing is fixedly connected with a flange II 705 of the output shaft housing 703. Square slide blocks 803 are arranged at the lower end of the transfer shaft 801, and a gear shaft 802 is arranged at the upper end of the transfer shaft 801. In order to ensure that the transfer shaft 801 of the transfer unit 8 and the output shaft 701 of the output unit 7 rotate synchronously, the upper end of the output shaft 701 is provided with a square groove 702, the square groove 702 is matched with a square slide block 803, and the square slide block 803 can be vertically and slidably inserted into the square groove 702 to ensure that the transfer shaft 801 and the output shaft 701 are coaxially connected. The gear shaft 802 at the upper end of the adapter shaft 801 is inserted with the input end of the speed reducer, so that coaxial connection is realized. The upper end of the adapting shaft 801 shell is provided with a cavity 806 which can accommodate the speed reducer, the bottom of the cavity 806 is provided with a cylindrical pin 807, and the cylindrical pin 807 is spliced with a positioning hole of the speed reducer to realize positioning.
As shown in fig. 1, two output units 7 are provided as a group in order to ensure stability and consistency of the present utility model at the time of running. A fastening unit 9 is provided in the middle of each group of output units 7. As shown in fig. 1, 15 and 16, the fastening unit 9 includes a post 901, a press plate 904 and a knurled nut 907. The upper and lower ends of the upright 901 are threaded rods, and the lower threaded rod 903 is vertically screwed on the working table 1. A mounting hole 906 is provided in the middle of the platen 904, and the platen 904 passes through the upper threaded rod 902 through the mounting hole 906. The two ends of the pressing plate 904 are provided with U-shaped grooves 905, and the opening direction of the U-shaped grooves 905 is perpendicular to the axis of the pressing plate 904. The size of the opening of the U-shaped groove 905 is larger than the rod diameter of the shaft lever at the output end of the speed reducer and smaller than the diameter of the end face of the shell of the speed reducer. The openings of the two U-shaped slots 905 may be arranged in opposite directions. A knurled nut 907 is screwed on the upper threaded rod 902 for pressing the pressing plate 904, so that the plate surface of the pressing plate 904 can press against the decelerator mounted on the transit unit 8.
When the utility model is used, a proper switching unit 8 is selected according to the speed reducer to be run in. The adapter housing 805 of the adapter unit 8 is fixedly connected with the output shaft housing 703 of the output unit 7, and the square slide 803 at the lower end of the adapter shaft 801 in the adapter unit 8 is slidably inserted into the square groove 702 at the upper end of the output shaft 701 in the output unit 7. And then the speed reducer is placed in a cavity 806 at the upper end of the switching unit 8, so that the input end of the speed reducer is inserted on a gear shaft 802 at the upper end of a switching shaft 801 in the switching unit 8, and meanwhile, a positioning hole of the speed reducer is inserted on a cylindrical pin 807 of the cavity 806. The motor controller 3 is turned on to start the driving device 5. The direct current motor 501 in the driving device 5 drives the main pulley 503 to rotate. The slave pulley 606 of the output conversion unit 6 drives the intermediate rotary shaft 601 to rotate under the drive of the circular belt loop I609, and the intermediate rotary shaft 601 drives the auxiliary pulley 607 to rotate. The rotation of the secondary pulley 607 drives the output unit 7 of the output conversion unit 6 to rotate through the belt, and further drives the other output units 7 connected in series with the output unit 7 to start rotating. Each output unit 7 which starts to work and rotate drives the corresponding switching unit 8 to coaxially rotate, and finally, the speed reducer which is coaxially connected with the switching unit 8 starts to perform running-in work.
According to the utility model, a single direct current motor 501 is adopted to control the work of a plurality of output units 7, so that the production cost of the running-in platform is greatly reduced, and the production efficiency is improved. Meanwhile, the switching unit 8 can be replaced according to different types of the speed reducer, so that the adaptability of the running-in platform is further improved. In addition, the use of a circular belt loop and pulley 706 drive reduces production noise. The motor and pulley 706 can flexibly adjust the input power and the transmission ratio according to different production requirements, and can also adjust and replace the switching unit 8 so as to quickly respond to the production requirements.