CN211707930U - Pump impeller indexing positioning device - Google Patents
Pump impeller indexing positioning device Download PDFInfo
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- CN211707930U CN211707930U CN202020238123.XU CN202020238123U CN211707930U CN 211707930 U CN211707930 U CN 211707930U CN 202020238123 U CN202020238123 U CN 202020238123U CN 211707930 U CN211707930 U CN 211707930U
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- pump wheel
- shaft sleeve
- indexing
- rotating shaft
- rotary support
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Abstract
The utility model relates to a graduation positioner technical field, concretely relates to pump impeller graduation positioner. The rotary pump comprises a positioning disc, an indexing table, a supporting plate, a rotary support and a servo motor reducer, wherein the positioning disc is used for positioning and clamping pump wheel parts, the indexing table is detachably mounted at the bottom of the positioning disc, the indexing table is rotatably mounted at the top of the supporting plate, the supporting plate is provided with a mounting hole, the rotary support is inserted into the mounting hole, the top end of the rotary support is detachably connected with the bottom of the indexing table, and the rotary support can drive the indexing table to rotate; the servo motor speed reducer is located at the bottom of the slewing bearing and used for driving the slewing bearing to rotate. The utility model aims at solving the pressure that current graduation positioning fixture bore little, lead to the problem that the fracture appears and damage in graduation positioning fixture.
Description
Technical Field
The utility model relates to a graduation positioner technical field, concretely relates to pump impeller graduation positioner.
Background
The pump wheel is a working wheel on a driving shaft connected with a motor shaft, and the function of the pump wheel is to convert input mechanical work into kinetic energy of working fluid, namely the pump wheel is equivalent to a centrifugal pump impeller. In the production and manufacturing process of the existing pump impeller, related parts of the pump impeller need to be riveted through a squeeze riveter, and during riveting, the related parts of the pump impeller need to be positioned by using a pump impeller indexing positioning device, so that the squeeze riveter can successfully complete squeeze riveting of the related parts of the pump impeller.
In the prior art, for example, an indexing positioning fixture disclosed in chinese grant No. CN208322878U, three grooves are uniformly formed on the inner wall of the cylindrical portion of the main body along the circumferential direction; a spring and a steel ball are arranged in the groove, one end of the spring is propped against the bottom of the groove, the other end of the spring is pressed on the steel ball, and the upper half part of the steel ball is arranged in the opening of the groove; the surface of the indexing table positioned in the cylindrical part of the main body is uniformly provided with three pits along the circumferential direction, and the lower half part of the steel ball is clamped in the pits. The jackscrew passes through the main body and then extends into the annular groove on the indexing table.
In the prior art, the workpiece on the indexing table can be machined only by manually rotating the handle, the workpiece machining efficiency is low, and the external pressure borne by the indexing table is small. However, when the related parts of the pump wheel are riveted, the output pressure of the riveting press is large, so that the existing indexing positioning clamp is easily broken or deformed, and the indexing positioning clamp is damaged.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a pump impeller graduation positioner to it is little to solve the pressure that current graduation positioner bore, leads to graduation positioner to appear the fracture and the problem of damage.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pump impeller graduation positioner, includes positioning disk, dividing table and backup pad, dividing table demountable installation is in the bottom of positioning disk, the dividing table rotates to be installed at the top of backup pad, the backup pad is equipped with the mounting hole, still includes:
the rotary support is inserted into the mounting hole, the top end of the rotary support is detachably connected with the bottom of the indexing table, and the rotary support can drive the indexing table to rotate; and
the servo motor speed reducer is located at the bottom of the slewing bearing and used for driving the slewing bearing to rotate.
When the technical scheme is adopted, the pump wheel parts are placed on the positioning disc firstly, the positioning disc is used for clamping and positioning the pump wheel parts, the servo motor speed reducer is started, the output shaft of the servo motor speed reducer drives the slewing bearing to rotate, the slewing bearing drives the indexing table to rotate, and then the indexing table is used for driving the pump wheel parts on the positioning disc to rotate, the pump wheel parts are processed on the positioning disc, when the pump wheel parts receive external pressure, the pressure is transmitted to the slewing bearing to bear, and therefore the positioning disc and the indexing table are prevented from being damaged.
Furthermore, the slewing bearing comprises a slewing support shell, a rotating shaft, a lower shaft sleeve, a thrust ball bearing, a spring and an upper shaft sleeve; the top end of the rotary support shell is detachably inserted into the mounting hole, and the bottom end of the rotary support shell is detachably connected with the shell of the servo motor reducer; the rotating shaft is rotatably arranged in the rotary supporting shell, the bottom end of the rotating shaft is detachably connected with a main shaft of the servo motor reducer, and the top end of the rotating shaft is used for driving the indexing table to rotate; the lower shaft sleeve, the thrust ball bearing, the spring and the upper shaft sleeve are rotatably sleeved on the rotating shaft; the lower shaft sleeve is fixedly installed at the bottom of the rotary supporting shell, the thrust ball bearing is installed at the top of the lower shaft sleeve, the upper shaft sleeve is installed at the top of the rotary supporting shell, and two ends of the spring are fixedly connected with the top of the thrust ball bearing and the bottom of the upper shaft sleeve respectively.
Through the setting of gyration support shell, axis of rotation, lower axle sleeve, thrust ball bearing, spring and last axle sleeve, the gyration is supported the shell and is avoided the dust to enter into the gyration and is supported the shell in, and the output shaft of servo motor speed reducer can drive the axis of rotation and rotate, and then makes the axis of rotation drive dividing table and positioning disk rotate to the realization carries out the graduation location to pump impeller spare part. Meanwhile, when the pump wheel parts are machined, the pump wheel parts are subjected to external pressure, the pressure on the pump wheel parts is transmitted to the upper shaft sleeve and the rotating shaft through the positioning disc and the dividing table, the pressure on the upper shaft sleeve is transmitted to the thrust ball bearing and the spring, and then the bearing is carried through the elastic deformation of the thrust ball bearing and the spring, so that when the pump wheel parts are pressed, the pump wheel dividing positioning device is damaged.
Furthermore, the top of axis of rotation demountable installation has the rotor plate, the rotor plate with the backup pad rotates to be connected, the top of rotor plate with the bottom of graduation platform can be dismantled and be connected.
Through setting up the rotor plate, the rotor plate supports indexing table and positioning disk, has increased pump impeller indexing positioner's pressure bearing capacity.
Further, the top of the rotary supporting shell is provided with a thrust washer, and the thrust washer is annular.
An annular thrust washer is arranged, and when the servo motor reducer drives the rotating shaft to rotate, the rotating shaft is prevented from axially moving.
Further, one side of backup pad is equipped with the standing groove towards the outside, the adjusting screw is installed to the standing groove internal rotation, the one end of adjusting screw stretches out the notch of standing groove and extends to the outside, and the screw thread rotates on the adjusting screw and installs the adjusting screw seat.
The adjusting screw and the adjusting screw seat are arranged, the adjusting screw seat can be far away from or close to the supporting plate by rotating the adjusting screw seat, the distance for supporting pump wheel parts is prolonged by the adjusting screw seat, and the pump wheel indexing positioning device can be suitable for pump wheel parts of different specifications.
Furthermore, the supporting plate is located pressing plates are installed on two sides of the adjusting screw rod seat.
The setting of clamp plate is not only convenient for fix the backup pad, also can support pump wheel spare part moreover.
The beneficial effect that this scheme produced is: 1. through the arrangement of the slewing bearing and the servo motor reducer, the pump wheel indexing positioning device can be automatically driven to rotate at intervals in the state of starting the servo motor reducer.
2. Through the slewing bearing who comprises gyration support shell, axis of rotation, lower axle sleeve, thrust ball bearing, spring and upper shaft cover, receive outside pressure when pump impeller spare part, pressure on the pump impeller spare part transmits to upper shaft cover and axis of rotation on through positioning disk and graduated table, and the pressure that the upper shaft cover received transmits on thrust ball bearing and the spring, and then bears through the elastic deformation of thrust ball bearing and spring to when exerting pressure to pump impeller spare part, pump impeller graduation positioner receives the damage.
Drawings
Fig. 1 is the overall structure schematic diagram of the pump wheel indexing and positioning device of the present invention.
Fig. 2 is the schematic view of the whole structure of the pump wheel indexing positioning device for removing the rotary supporting shell.
Fig. 3 is a schematic view of a partial structure of the indexing positioning device of the pump wheel of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the rotary table comprises a positioning disc 10, an indexing table 20, a supporting plate 30, an adjusting screw 31, an adjusting screw seat 32, a pressing plate 33, a rotary bearing 40, a rotary supporting shell 401, a rotating shaft 402, a lower shaft sleeve 403, a thrust ball bearing 404, a spring 405, an upper shaft sleeve 406, a thrust washer 407, a servo motor reducer 50 and a rotating plate 60.
As shown in fig. 1 to 3, the pump wheel indexing and positioning device includes a positioning plate 10, an indexing table 20, a support plate 30, a slewing bearing 40, a servo motor reducer 50, and a rotating plate 60. The positioning disc 10 is used for positioning and clamping pump wheel parts, the indexing table 20 is mounted at the bottom of the positioning disc 10 through bolts, the indexing table 20 is rotatably mounted at the top of the supporting plate 30, and the top of the supporting plate 30 is used for supporting the pump wheel parts placed on the positioning disc 10. The servo motor reducer 50 is located at the bottom of the slewing bearing 40, the servo motor reducer 50 is used for driving the indexing table 20 connected with the slewing bearing 40 to rotate, and the indexing table 20 and the positioning disc 10 are driven through the servo motor reducer 50, so that repeated positioning of pump wheel parts is more accurate.
Specifically, the middle part of backup pad 30 is equipped with the mounting hole, and the front side of backup pad 30 is equipped with the standing groove towards outside, and adjusting screw 31 is installed to the standing groove internal rotation, and the front end of adjusting screw 31 stretches out the notch of standing groove and extends to the outside, and threaded rotation installs adjusting screw seat 32 on adjusting screw 31. Set up adjusting screw 31 and adjusting screw seat 32, rotatory adjusting screw seat 32 for adjusting screw seat 32 can keep away from or be close to backup pad 30, and then prolonged the distance that supports pump impeller spare part through adjusting screw seat 32, thereby makes pump impeller graduation positioner can be applicable to the pump impeller spare part of different specifications.
Wherein, the left and right ends of the support plate 30, which are located on the adjusting screw seat 32, are provided with press plates 33. The arrangement of the pressing plate 33 not only can better fix the supporting plate 30, but also can increase the supporting range of pump wheel parts.
Slewing bearing 40 inserts in the mounting hole, and the top of slewing bearing 40 passes through bolted connection with the bottom of index table 20, and slewing bearing 40 can drive index table 20 and rotate. Specifically, as shown in fig. 2 and 3, the slewing bearing 40 includes a slewing bearing housing 401, a rotating shaft 402, a lower bushing 403, a thrust ball bearing 404, a spring 405, and an upper bushing 406.
The top end of the rotary supporting shell 401 is inserted into the mounting hole through a bolt, and the bottom end of the rotary supporting shell 401 is connected with the shell of the servo motor speed reducer 50 through a speed reducer flange plate; wherein, the top of the rotary supporting shell 401 is provided with an annular thrust washer 407. An annular thrust washer 407 is provided to prevent axial play of the rotating shaft 402 when the servomotor reducer 50 rotates the rotating shaft 402.
The rotating shaft 402 is rotatably installed in the rotary supporting shell 401, the bottom end of the rotating shaft 402 is fixedly connected with the main shaft of the servo motor reducer 50 through a bolt, and the top end of the rotating shaft 402 is used for driving the indexing table 20 to rotate. In this embodiment, the top of the rotating shaft 402 is mounted on the rotating plate 60 by bolts, the rotating plate 60 is rotatably connected to the supporting plate 30, and the top of the rotating plate 60 is connected to the bottom of the index table 20 by bolts. By providing the rotating plate 60, the rotating plate 60 supports the index table 20 and the positioning plate 10, and the pressure bearing capacity of the pump wheel index positioning device is further enhanced.
As shown in fig. 2, the lower bushing 403, the thrust ball bearing 404, the spring 405, and the upper bushing 406 are all located inside the swing support case 401, and the lower bushing 403, the thrust ball bearing 404, the spring 405, and the upper bushing 406 are all rotatably fitted over the rotating shaft 402. Wherein, the lower bushing 403 is fixedly installed at the bottom of the rotation support shell 401. The thrust ball bearing 404 is installed on the top of the lower shaft sleeve 403, the upper shaft sleeve 406 is installed on the top of the rotary support shell 401, and two ends of the spring 405 are fixedly connected with the top of the thrust ball bearing 404 and the bottom of the upper shaft sleeve 406 respectively.
Through the setting of gyration support shell 401, axis of rotation 402, lower axle sleeve 403, thrust ball bearing 404, spring 405 and upper axle sleeve 406, gyration support shell 401 avoids the dust to enter into gyration support shell 401, when axis of rotation 402 rotates, and then makes axis of rotation 402 drive dividing table 20 and positioning disk 10 and rotate to the realization is carried out the graduation location to pump impeller spare part. Meanwhile, the pump wheel parts are processed by externally applied pressure, so that the pressure on the pump wheel parts is transmitted to the upper shaft sleeve 406 and the rotating shaft 402 through the positioning disc 10 and the indexing table 20, the pressure on the upper shaft sleeve 406 is transmitted to the thrust ball bearing 404 and the spring 405, and the pressure is borne by the elastic deformation of the spring 405 and the thrust ball bearing 404, so that the pump wheel indexing positioning device is damaged when the pump wheel parts are processed.
When riveting the pump wheel parts, the pump wheel parts are firstly placed on the positioning disc 10, and the positioning disc 10 clamps and positions the pump wheel parts. And then, the servo motor reducer 50 is started, an output shaft of the servo motor reducer 50 drives the rotating shaft 402 to rotate, and then the rotating shaft 402 drives the indexing table 20 and the positioning disc 10 to rotate together, so that the pump wheel parts are accurately and repeatedly indexed and positioned. Meanwhile, when the pump wheel parts are riveted, the positioning plate 10 and the index table 20 bear the pressure applied to the pump wheel parts from the outside. The pressure applied through the positioning plate 10 and the index table 20 is transmitted to the upper sleeve 406 and the rotating shaft 402, and the pressure applied to the upper sleeve 406 is transmitted to the thrust ball bearing 404 and the spring 405, and then the pressure is applied through the elastic deformation of the spring 405 and the thrust ball bearing 404. Therefore, when the pump wheel parts are subjected to indexing positioning riveting processing, the pump wheel indexing positioning device can bear more external pressure, and the positioning disc 10 and the indexing table 20 are prevented from being damaged.
In the above technical solution, by providing the slewing bearing 40 and the servo motor reducer 50, the pump impeller indexing positioning device can be automatically driven to rotate at intervals in a state where the servo motor reducer 50 is started. The slewing bearing 40, which is composed of a slewing bearing shell 401, a rotating shaft 402, a lower bushing 403, a thrust ball bearing 404, a spring 405 and an upper bushing 406, when the pump wheel parts are subjected to external pressure, the pressure on the pump wheel parts is transmitted to the upper bushing 406 and the rotating shaft 402 through the positioning disc 10 and the indexing table 20, the pressure on the upper bushing 406 is transmitted to the thrust ball bearing 404 and the spring 405, and is further supported through elastic deformation of the thrust ball bearing 404 and the spring 405, so that the pump wheel indexing positioning device is damaged when the pump wheel parts are pressed.
It should be noted that the above preferred embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. The utility model provides a pump impeller graduation positioner, includes positioning disk, dividing table and backup pad, dividing table demountable installation is in the bottom of positioning disk, its characterized in that: the graduation platform rotates to be installed the top of backup pad, the backup pad is equipped with the mounting hole, still includes:
the rotary support is inserted into the mounting hole, the top end of the rotary support is detachably connected with the bottom of the indexing table, and the rotary support can drive the indexing table to rotate; and
the servo motor speed reducer is located at the bottom of the slewing bearing and used for driving the slewing bearing to rotate.
2. The pump wheel indexing positioning apparatus of claim 1, wherein: the slewing bearing comprises a slewing support shell, a rotating shaft, a lower shaft sleeve, a thrust ball bearing, a spring and an upper shaft sleeve;
the top end of the rotary support shell is detachably inserted into the mounting hole, and the bottom end of the rotary support shell is detachably connected with the shell of the servo motor reducer; the rotating shaft is rotatably arranged in the rotary supporting shell, the bottom end of the rotating shaft is detachably connected with a main shaft of the servo motor reducer, and the top end of the rotating shaft is used for driving the indexing table to rotate;
the lower shaft sleeve, the thrust ball bearing, the spring and the upper shaft sleeve are rotatably sleeved on the rotating shaft; the lower shaft sleeve is fixedly installed at the bottom of the rotary supporting shell, the thrust ball bearing is installed at the top of the lower shaft sleeve, the upper shaft sleeve is installed at the top of the rotary supporting shell, and two ends of the spring are fixedly connected with the top of the thrust ball bearing and the bottom of the upper shaft sleeve respectively.
3. The pump wheel indexing positioning apparatus of claim 2, wherein: the top of axis of rotation demountable installation has the rotor plate, the rotor plate with the backup pad rotates to be connected, the top of rotor plate with the bottom of graduation platform can be dismantled and be connected.
4. The pump wheel indexing positioning apparatus of claim 3, wherein: the top of gyration support shell is equipped with thrust washer, thrust washer is the annular.
5. The pump wheel indexing positioning apparatus of claim 1 or 4, wherein: one side of backup pad is equipped with the standing groove towards the outside, the standing groove internal rotation is installed and is adjusted the screw rod, the one end of adjusting the screw rod stretches out the notch of standing groove and extends to the outside, and the screw thread rotates on the adjusting screw rod and installs the adjusting screw rod seat.
6. The pump wheel indexing positioning apparatus of claim 5, wherein: the backup pad is located the clamp plate is all installed to the both sides of adjustment screw rod seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020238123.XU CN211707930U (en) | 2020-03-02 | 2020-03-02 | Pump impeller indexing positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020238123.XU CN211707930U (en) | 2020-03-02 | 2020-03-02 | Pump impeller indexing positioning device |
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| Publication Number | Publication Date |
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| CN211707930U true CN211707930U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020238123.XU Active CN211707930U (en) | 2020-03-02 | 2020-03-02 | Pump impeller indexing positioning device |
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| CN (1) | CN211707930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346758A (en) * | 2022-01-27 | 2022-04-15 | 济南中船设备有限公司 | Ultrathin indexing mechanism |
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2020
- 2020-03-02 CN CN202020238123.XU patent/CN211707930U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114346758A (en) * | 2022-01-27 | 2022-04-15 | 济南中船设备有限公司 | Ultrathin indexing mechanism |
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