Automatic indexing device and method for rotor wheel groove machining

Abstract

The invention relates to an automatic indexing device and method for rotor wheel groove machining. The automatic indexing device comprises a numerical control rotary table, a supporting base, a grating and an operating system. The numerical control rotary table is in signal connection with an operation interface, the numerical control rotary table is connected to one end of a rotor, the grating is connected to the other end of the rotor, and the supporting seat is supported on the outer side of the rotor; and the operating system is in signal connection with the numerical control rotary table and the grating. A wheel groove is subjected to rotary indexing through a numerical control rotary table, and an optical grating is arranged at the tail end of a rotor for indexing monitoring, so that the indexing precision can be effectively improved; when the wheel grooves of different specifications and numbers on the rotor are machined, the corresponding number of wheel grooves is input on the operation interface, an index plate does not need to be manufactured, and the production cost can be effectively reduced. The operation interface on the numerical control rotary table is operated for indexing, angle indexing of the rotor wheel groove can be accurately completed at a time, repeated adjustment is not needed, and the wheel groove angle indexing efficiency can be effectively improved.

Description

Technical Field

[0001] The invention relates to the field of rotor wheel groove processing, and in particular to an automatic indexing device and method for rotor wheel groove processing. Background Art

[0002] At present, the requirements for the angular indexing accuracy between the rotor wheel grooves are very strict. The indexing accuracy determines the position of the assembly installed on the wheel groove, which affects the role of the assembly to a certain extent and also affects the balance of the rotor.

[0003] In the related art, indexing is done by machining and manufacturing a dividing plate, milling an equal number of slots on the dividing plate, and inserting positioning pins into the slots to index the rotor wheel slot angle. After machining a wheel slot, the rotor can be rotated and inserted into the next slot through the pin. If the pin cannot be inserted smoothly, the rotor angle needs to be readjusted until the pin can be inserted smoothly.

[0004] However, the conventional wheel groove indexing method has the following disadvantages: 1) There is a certain error in the processing and manufacturing of the indexing plate. There needs to be a certain gap between the indexing plate and the pin, which will lead to a large error in the wheel groove indexing accuracy.

[0005] 2) If there are different numbers of wheel grooves on the rotor, it is necessary to manufacture an equal number of indexing plates. The processing cost of the indexing plates is relatively high. This indexing method will result in a relatively high overall manufacturing cost of the rotor.

[0006] 3) After machining a wheel groove, the rotor needs to be rotated, and the indexing is completed by the pin being smoothly inserted into the next slot. If the pin cannot be inserted smoothly, the rotor angle needs to be readjusted. Generally, the angle indexing of a wheel groove requires multiple adjustments of the rotor, resulting in low indexing efficiency and affecting production. Summary of the invention

[0007] Based on the above description, the present invention provides an automatic indexing device and method for rotor wheel groove processing, which can be used for indexing the milling angles of various types of rotor wheel grooves, thereby improving the indexing accuracy and efficiency of the rotor wheel groove processing angles.

[0008] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: an automatic indexing device for rotor wheel groove processing, which includes a CNC turntable, a support seat, a grating and an operating system; the CNC turntable signal is connected to an operation interface, the CNC turntable is connected to one end of the rotor, the grating is connected to the other end of the rotor, and the support seat is supported on the outside of the rotor; the operating system signal connects the CNC turntable and the grating, and when the CNC turntable drives the rotor and the grating to rotate, the operating system can identify the angle value of the grating and compare it with the rotation value of the CNC turntable.

[0009] Based on the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, the CNC turntable is connected to the rotor via a transition shaft, and the transition shaft is fixed to the rotor and the CNC turntable via a stopper.

[0011] Furthermore, the grating is connected to the rotor via a transition plate, and the transition plate is fixed to the rotor via a stopper.

[0012] Furthermore, the grating is fixed to the transition plate through a diaphragm coupling.

[0013] Furthermore, the support seat is a hydraulic support seat, and the support seat is provided with a clamping V-block and a top shaft mechanism.

[0014] Furthermore, there are two support seats, which are coaxially arranged and supported at two ends of the rotor respectively.

[0015] Furthermore, the grating, the rotor and the numerically controlled turntable are coaxially arranged.

[0016] In the second aspect, an embodiment of the present invention further provides a method for utilizing the above-mentioned rotor wheel groove processing automatic indexing device, which comprises the following steps: utilizing a CNC turntable to drive the rotor to rotate, and driving the grating to rotate at the same time; identifying the angle value of the grating through an operating system, and comparing it with the rotation value of the CNC turntable, and when the difference between the two is less than the design value, the angle indexing of the rotor wheel groove is completed.

[0017] Furthermore, before the CNC turntable is used to drive the rotor to rotate, the method further includes: starting a division instruction through an operating system to drive the clamping V-block of the support seat to loosen, and starting to lift the rotor using a jacking shaft mechanism.

[0018] Furthermore, before using the CNC turntable to drive the rotor to rotate, it also includes: placing the rotor on the support seat and leveling the rotor; fixing the transition shaft and the transition disk to the rotor through stoppers; fixing the CNC turntable to the transition shaft through stoppers; and fixing the grating to the transition disk through two diaphragm couplings.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial technical effects: When processing wheel grooves of different specifications and quantities on the rotor, it is sufficient to input the corresponding number of wheel grooves on the operation interface. There is no need to manufacture a dividing plate, which can effectively reduce production costs; the wheel grooves are rotated and indexed by a CNC turntable, and there is a grating at the tail end of the rotor for indexing monitoring, which can effectively improve the indexing accuracy; by operating the operation interface on the CNC turntable for indexing, the angle indexing of the rotor wheel groove can be accurately completed at one time, without multiple adjustments, which can effectively improve the efficiency of wheel groove angle indexing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of an automatic indexing device for machining rotor grooves provided in an embodiment of the present invention.

[0021] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. CNC turntable; 2. Transition shaft; 3. Support seat; 4. Rotor; 5. Transition plate; 6. Diaphragm coupling; 7. Grating; 8. Operation interface. DETAILED DESCRIPTION

[0022] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0023] The embodiment of the present invention provides an automatic indexing device and method for rotor wheel groove machining, which can be used for indexing the milling angles of various types of rotor wheel grooves, thereby improving the indexing accuracy and efficiency of the rotor wheel groove machining angles.

[0024] See also Figure 1 As shown, an automatic indexing device for rotor wheel groove processing provided by an embodiment of the present invention is characterized in that it includes a CNC turntable 1, a support seat 3, a grating 7 and an operating system; the CNC turntable 1 signal is connected to an operation interface 8, the CNC turntable 1 is connected to one end of the rotor 4, the grating 7 is connected to the other end of the rotor 4, and the support seat 3 is supported on the outside of the rotor 4; the operating system signal is connected to the CNC turntable 1 and the grating 7, when the CNC turntable 1 drives the rotor 4 and the grating 7 to rotate, the operating system can identify the angle value of the grating 7 and compare it with the rotation value of the CNC turntable 1.

[0025] In this embodiment, the wheel groove is rotated and indexed by the CNC turntable 1, and a grating 7 is provided at the rear end of the rotor 4 for indexing monitoring, which can effectively improve the indexing accuracy; when processing wheel grooves of different specifications and quantities on the rotor 4, the corresponding number of wheel grooves can be input on the operation interface 8, and there is no need to manufacture a dividing plate, which can effectively reduce the production cost; by operating the operation interface 8 on the CNC turntable 1 for indexing, the angle indexing of the rotor wheel groove can be accurately completed at one time, without multiple adjustments, which can effectively improve the efficiency of the wheel groove angle indexing, and can be widely used for the indexing of various types of rotor wheel groove milling processing angles, and improve the rotor wheel groove processing angle indexing accuracy and indexing efficiency.

[0026] See also Figure 1 As shown, in some embodiments, the support seat 3 is a hydraulic support seat, and the support seat 3 is provided with a clamping V-block and a jacking mechanism. The operating system 1 starts the indexing instruction, the clamping V-block of the support seat 3 is loosened, and the jacking mechanism at the lower bearing bush starts to lift the rotor 4, and the CNC turntable 1 drives the rotor 4 to rotate. During the rotation of the rotor 4, the jacking oil can not only lift the rotor 4, but also play a lubricating role, which can effectively reduce the torque required by the CNC turntable 1 to drive the rotor 4, and can also reduce the friction between the rotor 4 and the lower support bush, thereby protecting the contact surface of the rotor 4.

[0027] In some embodiments, by replacing the support shoe under the support seat 3, the machining angle division requirements of rotor wheel grooves of different specifications and sizes can be met.

[0028] See also Figure 1 As shown, in some embodiments, the CNC turntable 1 is connected to the rotor 4 via a transition shaft 2, and the transition shaft 2 is fixed to the rotor 4 and the CNC turntable 1 via a stopper, which can effectively improve the assembly accuracy and efficiency of the connection between the CNC turntable 1 and the rotor 4.

[0029] See also Figure 1 As shown, in some embodiments, the grating 7 is connected to the rotor 4 via a transition plate 5, and the transition plate 5 is fixed to the rotor 4 via a stopper, which can effectively improve the assembly accuracy and efficiency of the connection between the transition plate 5 and the rotor 4.

[0030] See also Figure 1 As shown, in some embodiments, the grating 7 is fixed to the transition plate 2 through a diaphragm coupling 6. There will be vibration when the rotor wheel groove is processed. By using two diaphragm couplings 6 to connect the rotor 4 and the grating 7, the diaphragm coupling 6 can effectively absorb the vibration to avoid damaging the grating 7.

[0031] The embodiment of the present invention also provides an automatic indexing method for rotor wheel groove processing, which specifically includes: placing the rotor 4 on the support seat 3, leveling the rotor 4, fixing the transition shaft 2 and the transition disc 5 on the rotor 4 through the stopper positioning, and engaging the CNC turntable 1 with the transition shaft 2 through the stopper positioning, and finally fixing the grating 7 on the transition disc 2 through two diaphragm couplings 6. When indexing, operate the operation interface 8 on the CNC turntable 1, click on the indexing, the clamping V-block of the support seat 3 is released, the jacking mechanism at the lower bearing shell starts to lift the rotor 4, the CNC turntable 1 drives the rotor 4 to rotate, and the rotor 4 drives the tail end grating 7 to rotate together. After reaching the angle indexing value, the jacking mechanism of the support seat 3 is closed, and the V-block on the support seat 3 presses the rotor 4, that is, a rotor wheel groove angle indexing is completed.

[0032] When the rotor 4 is indexed, the number of wheel grooves is input, and the CNC turntable 1 drives the rotor 4 to rotate according to the angle indexing value. The grating 7 at the tail end of the rotor 4 will rotate together with the rotor 4, and the angle value of the grating 7 will be fed back to the operating system. The system identifies the angle value of the grating 7 and compares it with the rotation value of the CNC turntable 1. When the difference between the two is greater than the design value, the system will alarm to remind the operator, thereby avoiding indexing out-of-tolerance.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0034] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0035] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element, or connected to the other element through an intermediate element. The "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0036] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic indexing device for machining rotor grooves, characterized in that: It comprises a numerical control turntable (1), a support seat (3), a grating (7) and an operating system; The CNC turntable (1) is connected to an operation interface (8) by signal, the CNC turntable (1) is connected to one end of the rotor (4), the grating (7) is connected to the other end of the rotor (4), and the support seat (3) is supported on the outer side of the rotor (4); The operating system signal connects the numerically controlled turntable (1) and the grating (7); when the numerically controlled turntable (1) drives the rotor (4) and the grating (7) to rotate, the operating system can identify the angle value of the grating (7) and compare it with the rotation value of the numerically controlled turntable (1).

2. The automatic indexing device for machining rotor grooves according to claim 1, characterized in that: The numerically controlled turntable (1) is connected to the rotor (4) via a transition shaft (2), and the transition shaft (2) is fixed to the rotor (4) and the numerically controlled turntable (1) via a stopper.

3. The automatic indexing device for machining rotor grooves according to claim 1, characterized in that: The grating (7) is connected to the rotor (4) via a transition plate (5), and the transition plate (5) is fixed to the rotor (4) via a stopper.

4. The automatic indexing device for machining rotor grooves according to claim 3, characterized in that: The grating (7) is fixed to the transition plate (5) via a diaphragm coupling (6).

5. The automatic indexing device for machining rotor grooves according to claim 1, characterized in that: The support seat (3) is a hydraulic support seat, and the support seat (3) is provided with a clamping V-shaped block and a jacking mechanism.

6. The automatic indexing device for machining rotor grooves according to claim 5, characterized in that: There are two support seats (3), and the two support seats (3) are coaxially arranged and supported at two ends of the rotor (4) respectively.

7. The automatic indexing device for machining rotor grooves according to claim 1, characterized in that: The grating (7), the rotor (4) and the numerical control turntable (1) are coaxially arranged.

8. A method for utilizing the rotor groove machining automatic indexing device according to claim 1, characterized in that: It includes the following steps: Using a numerically controlled turntable (1) to drive the rotor (4) to rotate, and drive the grating (7) to rotate simultaneously; The angle value of the grating (7) is identified by the operating system and compared with the rotation value of the numerical control turntable (1); when the difference between the two is less than the design value, the angle division of the rotor wheel groove is completed.

9. The method according to claim 8, characterized in that Before the use of the numerically controlled turntable (1) to drive the rotor (4) to rotate, the method further comprises: The indexing instruction is started through the operating system to drive the V-shaped pressing block of the support seat (3) to loosen, and the jacking mechanism is used to start jacking up the rotor (4).

10. The method according to claim 9, characterized in that Before the use of the numerically controlled turntable (1) to drive the rotor (4) to rotate, the method further comprises: Placing the rotor (4) on the support seat (3) and leveling the rotor (4); fixing the transition shaft (2) and the transition disc (5) on the rotor (4) by means of stoppers; The numerical control turntable (1) is fixed to the transition shaft (2) by means of a stopper; The grating (7) is fixed to the transition plate (5) via two diaphragm couplings (6).

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