CN109940512A - RV reducer cycloidal wheel grinding tool - Google Patents

Abstract

The invention provides a cycloidal wheel grinding tool for an RV reducer, comprising: a mandrel, one end of the mandrel is provided with a positioning part; an installation component is connected with the other end of the mandrel, and the mandrel is fixed to the machine tool through the installation component ;Installation platen, sleeved on the mandrel, the workpiece to be processed is located between the positioning part and the installation platen; Locking piece, sleeved on the mandrel, located on the side of the installation platen away from the workpiece to be processed, to be processed The piece is fixed between the installation pressure plate and the positioning part under the action of the locking piece. The cycloidal wheel grinding tool of the RV reducer proposed by the invention is simple, portable, easy to install, and can simultaneously take into account the clamping and positioning requirements of the two processing equipments of the horizontal grinder and the vertical grinder.

Description

RV reducer cycloidal wheel grinding tool

technical field

The invention relates to the technical field of machining, in particular to a cycloidal wheel grinding tool for an RV reducer.

Background technique

The RV reducer is a novel transmission device that applies the principle of planetary transmission and adopts cycloidal pin-tooth meshing. As a key component in the reducer, the machining accuracy is closely related to the quality and life of the reducer. Considering the dimensional accuracy required by the parts, the positional accuracy of the bearing hole distribution circle in the cycloid wheel is very high, and it must be completed by one clamping; from the perspective of the part structure, the cycloid wheel is a thin-walled part, and some parts are finished The thickness of the back is only 10mm, and the machining allowance does not exceed 0.25mm. Therefore, precision grinding of the cycloid wheel is required. The traditional RV reducer cycloidal wheel grinding tool is easy to loosen when positioning the cycloidal wheel, and it is easy to cause damage to the workpiece, which is not ideal.

In the related art, the cycloidal wheel grinding tool of the RV reducer adopts an integrated structure. The workpiece is radially positioned by a mandrel, the working angle is positioned by two positioning pins, and the workpiece is axially pressed by two pressure plates. . However, there are the following defects: limited by the fact that the shaft sleeve and the bottom plate on the RV reducer cycloidal wheel grinding tool are integrated, a set of RV reducer cycloidal wheel grinding tool can only process a cycloidal wheel of one size, resulting in RV reducer cycloidal wheel grinding tooling has high manufacturing cost; RV reducer cycloidal wheel grinding tooling is one-piece, the overall structure is cumbersome, and it is difficult to disassemble and assemble on the machine tool, so it must be assisted by lifting equipment; it can only meet the requirements of the vertical type The positioning requirements of the grinding machine for grinding the workpiece curve are limited.

SUMMARY OF THE INVENTION

The present invention aims to solve at least one of the technical problems existing in the prior art.

To this end, the present invention proposes a cycloidal wheel grinding tool for an RV reducer.

The invention provides a cycloidal wheel grinding tool for an RV reducer, comprising: a mandrel, one end of the mandrel is provided with a positioning part; an installation component is connected with the other end of the mandrel, and the mandrel is fixed to the machine tool through the installation component ;Installation platen, sleeved on the mandrel, the workpiece to be processed is located between the positioning part and the installation platen; Locking piece, sleeved on the mandrel, located on the side of the installation platen away from the workpiece to be processed, to be processed The part is fixed between the installation pressure plate and the positioning part under the action of the locking part.

The RV reducer cycloidal wheel grinding tool proposed by the present invention is provided with a mounting assembly at one end of the mandrel, and the mandrel is fixed on the machine tool through the mounting assembly; the other end of the mandrel is provided with a positioning part and a mounting pressure plate, and the workpiece to be processed is set Set on the mandrel, between the installation pressure plate and the positioning part; the side of the installation pressure plate away from the workpiece to be processed is provided with a locking piece, the locking piece is sleeved on the mandrel and can be tightened on the mandrel to ensure Install the platen and the stable installation of the workpiece to be processed.

Specifically, the cycloidal wheel grinding tool of the RV reducer is integrally fixed to the machine tool through the installation assembly, and the relative position of the mandrel and the working spindle of the machine tool is adjusted by the installation assembly to ensure the processing position of the workpiece to be processed; the workpiece to be processed is sleeved on the mandrel , and fit with the positioning part; according to the size of the workpiece to be processed, select a suitable installation pressure plate, and set the installation pressure plate on the mandrel, so that the to-be-processed part is located between the positioning part and the installation pressure plate between; the locking piece is sleeved and screwed on the mandrel, so that the mounting platen squeezes the workpiece to be processed under the action of the locking piece, and the mounting platen and the positioning part squeeze the workpiece to be processed along the mandrel, ensuring the workpiece to be processed. The positioning along the direction of the mandrel ensures that the workpiece to be processed is stably installed between the positioning part and the installation pressure plate, and ensures the effective clamping of the workpiece to be processed.

The cycloidal wheel grinding tool structure of the RV reducer proposed by the invention is simple and light, and easy to install; the mutual cooperation of the positioning part, the installation pressure plate and the locking part ensures the stable clamping of the workpiece to be processed; the installation component ensures the pendulum of the RV reducer. Stable installation of line wheel grinding tooling, a set of RV reducer cycloidal wheel grinding tooling takes into account the clamping and positioning requirements of both horizontal grinder and vertical grinder processing equipment, and is highly adaptable.

According to the above-mentioned RV reducer cycloidal wheel grinding tool of the present invention, it can also have the following additional technical features:

In the above technical solution, preferably, the mounting platen and the mandrel are detachably connected.

In this technical solution, the mounting platen and the mandrel are detachably connected, and the number of the mounting platen is multiple, and the size of each mounting platen is different. In the process of clamping the workpiece to be processed, the installation pressure plate is selected according to the size of the workpiece to be processed, so that the size of the installation pressure plate is adapted to the size of the workpiece to be processed. A set of cycloidal wheel grinding tool for RV reducer can meet the clamping of various sizes of workpieces to be processed, can complete the grinding and positioning of workpieces of various sizes and specifications, and improve the cycloidal wheel grinding tooling of RV reducer. Adaptability and reduce the processing cost of the workpiece to be processed.

In any of the above technical solutions, preferably, a positioning pin is included, the positioning pin passes through the workpiece to be processed and is fastened to the positioning portion, and the relative position of the workpiece to be processed and the mandrel is adjusted by adjusting the tightening degree of the positioning pin.

In this technical solution, the RV reducer cycloidal wheel grinding tool also includes a positioning pin, a positioning hole is provided on the workpiece to be processed, and the positioning pin passes through the positioning hole and is tightened to the positioning portion to further strengthen the connection between the workpiece to be processed and the positioning portion. Connection; in the process of installing the workpiece to be processed, observe the relative position of the workpiece to be processed and the mandrel in real time, adjust the tightening degree of the positioning pin, and adjust the relative position of the workpiece to be processed and the mandrel, so that the workpiece to be processed and the mandrel are adjusted. The parallelism meets the process requirements and reduces the processing error.

Specifically, tightening the positioning pin can drive the workpiece to be processed toward the side of the positioning part; releasing the positioning pin can make the workpiece to be processed tilt toward the side of the locking piece, and the positioning pin can be selected to be tightened or released according to the actual situation. Through the above adjustment, the parallelism of the workpiece to be processed and the mandrel can be ensured to meet the processing requirements, the processing error can be reduced, and the processing accuracy can be improved.

In any of the above technical solutions, preferably, the number of positioning pins is at least two, and the at least two positioning pins are evenly distributed along the circumferential direction of the workpiece to be processed.

In this technical solution, the number of positioning pins is at least two, and the at least two positioning pins are evenly distributed along the circumferential direction of the workpiece to be processed, and the connection between the workpiece to be processed and the positioning portion is ensured from at least two positions. In the process of clamping the workpiece to be processed, tighten the positioning pin on one side and release the positioning pin on the other side at the same time, and then adjust the clamping position of the workpiece to be processed from two angles to ensure that the workpiece to be processed is parallel to the mandrel It can meet the processing requirements, reduce the processing error, and ensure the processing quality.

In any of the above technical solutions, preferably, the mounting assembly includes: a mounting seat, arranged on the machine tool; a connecting seat, the connecting seat is connected with the mandrel and the mounting seat, and the mandrel is fixed on the machine tool through the connecting seat and the mounting seat.

In this technical solution, the mounting assembly includes an interconnected mounting seat and a connecting seat, the mounting seat is connected with the machine tool, and the connecting seat is used for connecting the mandrel and the mounting seat. The cooperation of the connecting seat and the mounting seat can ensure that the RV reducer cycloidal wheel grinding tool is stably fixed on the machine tool as a whole, and avoids the occurrence of the RV reducer cycloidal wheel grinding tool or the workpiece to be processed falling off during the processing; installation; The cooperation of the seat and the connecting seat makes the overall structure of the RV reducer cycloidal wheel grinding tool simple and lightweight, which can simultaneously take into account the clamping and positioning requirements of the horizontal grinder and the vertical grinder, and improve the RV reducer cycloidal wheel grinding. The adaptability of cutting tooling.

In any of the above technical solutions, preferably, the mandrel and the connecting seat are connected by threads; the connecting seat and the mounting seat are connected by bolts.

In this technical solution, the end of the mandrel is provided with a threaded structure, the center of the connection seat is provided with a threaded hole, and the threaded hole is adapted to the threaded structure of the end of the mandrel to ensure that the mandrel and the connection seat are fixedly connected; The raised structure extends into the groove structure of the mounting seat, and the bolts pass through the raised structure and the groove structure to realize the stable connection between the connecting seat and the mounting seat. In the process of installing the RV reducer cycloidal wheel grinding tool, the installation angle of the connecting seat and the mounting seat can be adjusted to ensure that the workpiece to be processed is in an accurate processing position.

In any of the above technical solutions, preferably, the locking member is a tightening nut, a threaded structure is provided at the position where the mandrel is connected to the tightening nut, and the threaded structure is adapted to the tightening nut.

In this technical solution, the locking member is a tightening nut, the mandrel is provided with a threaded structure, and the threaded structure is adapted to the tightening nut. After the installation pressure plate is installed, tighten the tightening nut on the threaded structure of the mandrel, and the tightening nut contacts the installation pressure plate and drives the installation pressure plate to move towards the workpiece to be processed, so as to ensure that the installation pressure plate and the shaft shoulder are simultaneously extruded to be processed. parts, thereby ensuring that the workpieces to be processed are in a stable clamping state.

In any of the above technical solutions, preferably, the positioning portion is a shaft shoulder, and the shaft shoulder and the mandrel have an integral structure.

In this technical solution, the positioning part is a shaft shoulder, which can be directly manufactured during the processing of the mandrel, avoiding the use of additional positioning parts; the shaft shoulder and the mandrel have an integrated structure, and the integrated structure has higher The connection strength is increased, and the service life of the mandrel is extended.

In any of the above technical solutions, preferably, the radial dimension of the positioning portion is smaller than the radial dimension of the workpiece to be machined; the radial dimension of the mounting platen is smaller than the radial dimension of the workpiece to be machined.

In this technical solution, the radial dimension of the positioning portion is smaller than the radial dimension of the workpiece to be processed, and the radial size of the mounting platen is smaller than the radial size of the workpiece to be processed, so as to avoid the positioning portion and the workpiece being machined by the machine tool. The installation of the pressure plate causes interference and ensures the normal operation of the machine tool.

In any of the above technical solutions, preferably, a taper shank is provided at the opposite end of the mandrel and the mounting assembly, and both ends of the mandrel are connected to the machine tool through the taper shank and the mounting assembly, respectively.

In this technical solution, one end of the mandrel is provided with a mounting assembly, and the other end of the mandrel is provided with a tapered shank. Both ends of the mandrel are respectively connected with the machine tool through the taper shank and the installation component, which ensures the stable installation of the cycloidal wheel grinding tool of the RV reducer. Specifically, the taper is a Morse taper formed at the end of the mandrel.

Additional aspects and advantages of the present invention will become apparent in the description section that follows, or will be learned by practice of the present invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

Fig. 1 is the structural representation of the RV reducer cycloidal wheel grinding tool of an embodiment of the present invention;

2 is a schematic structural diagram of the RV reducer cycloidal wheel grinding tool from another perspective of the embodiment shown in FIG. 1;

Fig. 3 is the front view of the RV reducer cycloidal wheel grinding tool of the embodiment shown in Fig. 1;

Fig. 4 is the left side view of the RV reducer cycloidal wheel grinding tool of the embodiment shown in Fig. 1;

Fig. 5 is the right side view of the RV reducer cycloidal wheel grinding tool of the embodiment shown in Fig. 1;

FIG. 6 is a cross-sectional view along A-A of the cycloidal wheel grinding tool for the RV reducer of the embodiment shown in FIG. 3 .

Among them, the corresponding relationship between the reference numerals and the component names in Fig. 1 to Fig. 6 is:

100RV reducer cycloidal grinding tool, 12 mandrels, 122 positioning parts, 124 taper shanks, 14 mounting components, 142 mounting seats, 144 connecting seats, 16 mounting pressure plates, 18 locking pieces, 20 positioning pins, 200 to be Machining parts.

Detailed ways

In order to understand the above objects, features and advantages of the present invention more clearly, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments may be combined with each other in the case of no conflict.

Many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. example limitations.

The RV reducer cycloidal grinding tool 100 provided according to some embodiments of the present invention will be described below with reference to FIGS. 1 to 6 .

The present invention proposes an RV reducer cycloidal grinding tool 100, as shown in Figures 1 to 6, comprising: a mandrel 12, one end of the mandrel 12 is provided with a positioning part 122; a mounting assembly 14, and the mandrel The other end of 12 is connected, the mandrel 12 is fixed on the machine tool through the mounting assembly 14; the mounting platen 16 is sleeved on the mandrel 12, and the workpiece 200 to be processed is located between the positioning part 122 and the mounting platen 16; the locking piece 18 , sleeved on the mandrel 12 and located on the side of the mounting platen 16 away from the workpiece 200 to be processed. The workpiece 200 to be processed is fixed between the mounting platen 16 and the positioning portion 122 under the action of the locking member 18 .

The present invention proposes a cycloidal wheel grinding tool 100 for an RV reducer. A mounting assembly 14 is provided at one end of the mandrel 12, and the mandrel 12 is fixed on a machine tool (not shown in the figure) through the mounting assembly 14; The other end is provided with a positioning portion 122 and a mounting platen 16, the workpiece 200 to be processed is sleeved on the mandrel 12, and is located between the mounting platen 16 and the positioning portion 122; the mounting platen 16 is provided on the side away from the workpiece 200 to be processed There is a locking piece 18 , the locking piece 18 is sleeved on the mandrel 12 and can be screwed to the mandrel 12 to ensure the stable installation of the mounting platen 16 and the workpiece 200 to be processed.

Specifically, the RV reducer cycloidal grinding tool 100 is integrally fixed to the machine tool through the installation assembly 14, and the relative position of the mandrel 12 and the working spindle of the machine tool is adjusted through the installation assembly 14 to ensure the processing position of the workpiece 200 to be processed; 200 is sleeved on the mandrel 12, and fits with the positioning part 122; according to the size of the workpiece 200 to be processed, a suitable installation pressure plate 16 is selected, and the installation pressure plate 16 is sleeved on the mandrel 12, The workpiece 200 to be processed is located between the positioning portion 122 and the mounting platen 16 ; the locking member 18 is sleeved and tightened on the mandrel 12 , so that the mounting platen 16 presses the workpiece to be processed 200 under the action of the locking member 18 , the mounting platen 16 and the positioning part 122 squeeze the workpiece 200 along the mandrel 12 to ensure the positioning of the workpiece 200 along the direction of the mandrel 12 and ensure that the workpiece 200 is stably installed between the positioning part 122 and the mounting platen 16 During this time, the effective clamping of the workpiece 200 to be processed is ensured.

The RV reducer cycloidal wheel grinding tool 100 proposed by the present invention has a simple and lightweight structure and is easy to install; the mutual cooperation of the positioning part 122, the installation pressure plate 16 and the locking member 18 ensures the stable clamping of the workpiece 200 to be processed; the installation assembly 14 To ensure the stable installation of the RV reducer cycloidal wheel grinding tool 100, a set of RV reducer cycloidal wheel grinding tool 100 also takes into account the clamping and positioning requirements of both horizontal grinders and vertical grinders, and is extremely adaptable high.

In an embodiment of the present invention, preferably, the mounting platen 16 and the mandrel 12 are detachably connected.

In this embodiment, the mounting pressure plate 16 and the mandrel 12 are detachably connected, and the number of the mounting pressure plate 16 is multiple, and the size of each mounting pressure plate 16 is different. In the process of clamping the workpiece 200 to be processed, the mounting platen 16 is selected according to the size of the workpiece 200 to be processed, so that the size of the mounting platen 16 is adapted to the size of the workpiece 200 to be processed. A set of RV reducer cycloidal wheel grinding tool 100 can meet the clamping of various sizes of workpieces to be processed 200, can complete the grinding and positioning of workpieces 200 of various sizes and specifications, and improve the cycloidal wheel grinding of RV reducer. The adaptability of the tooling 100 is reduced, and the processing cost of the workpiece 200 to be processed is reduced.

In an embodiment of the present invention, preferably, as shown in FIG. 6 , it includes: a positioning pin 20 , the positioning pin 20 passes through the workpiece 200 to be screwed to the positioning portion 122 , and the positioning pin 20 is adjusted by adjusting the tightening degree of the positioning pin 20 . relative position of the member 200 to the mandrel 12 .

In this embodiment, the RV reducer cycloidal grinding tool 100 further includes a positioning pin 20, a positioning hole is provided on the workpiece 200 to be processed, and the positioning pin 20 passes through the positioning hole and is fastened to the positioning portion 122 to further strengthen the workpiece to be processed. During the process of installing the workpiece 200 to be processed, observe the relative position of the workpiece 200 and the mandrel 12 in real time, adjust the tightening degree of the positioning pin 20, adjust the workpiece 200 to be processed and the mandrel 12 , so that the parallelism of the workpiece 200 to be processed and the mandrel 12 meets the technological requirements and reduces the processing error.

In a specific embodiment, tightening the positioning pin 20 can drive the workpiece to be processed 200 to tilt toward the side of the positioning portion 122 ; releasing the positioning pin 20 can make the workpiece 200 tilt toward the locking member 18 side, according to the actual situation, choose to tighten or release the positioning Pin 20. Through the above adjustment, the parallelism of the workpiece 200 to be processed and the mandrel 12 can be ensured to meet the processing requirements, the processing error can be reduced, and the processing accuracy can be improved.

In an embodiment of the present invention, preferably, as shown in FIG. 6 , the number of positioning pins 20 is two, and the two positioning pins 20 are evenly distributed along the circumferential direction of the workpiece 200 to be processed.

In this embodiment, the number of the positioning pins 20 is two, and the two positioning pins 20 are evenly distributed along the circumferential direction of the workpiece 200 to ensure the connection between the workpiece 200 and the positioning portion 122 from two positions. In the process of clamping the workpiece 200 to be processed, the positioning pin 20 on one side is tightened, and the positioning pin 20 on the other side is released at the same time, and then the clamping position of the workpiece 200 to be processed is adjusted from two angles to ensure the workpiece 200 to be processed. The parallelism with the mandrel 12 meets the processing requirements, reduces the processing error, and ensures the processing quality. Specifically, the number of the positioning pins 20 can be set according to the actual situation, as long as the effective adjustment of the workpiece 200 to be processed can be ensured, which is not limited herein.

In one embodiment of the present invention, preferably, as shown in FIGS. 1 to 6 , the mounting assembly 14 includes: a mounting seat 142 , which is provided on the machine tool; In connection, the mandrel 12 is fixed on the machine tool through the connecting seat 144 and the mounting seat 142 .

In this embodiment, the mounting assembly 14 includes a mounting base 142 connected to the machine tool and a connecting base 144 for connecting the mandrel 12 and the mounting base 142 . The cooperation of the connecting seat 144 and the mounting seat 142 can ensure that the RV reducer cycloidal wheel grinding tool 100 is stably fixed on the machine tool as a whole, so as to avoid the RV reducer cycloidal wheel grinding tool 100 or the workpiece to be processed 200 falling off during the processing. The combination of the mounting seat 142 and the connecting seat 144 makes the overall structure of the RV reducer cycloidal grinding tool 100 simple and lightweight, and can take into account the clamping and positioning requirements of the horizontal grinder and the vertical grinder at the same time. Improve the adaptability of RV reducer cycloidal wheel grinding tool 100.

In an embodiment of the present invention, preferably, the mandrel 12 and the connecting seat 144 are connected by screws; the connecting seat 144 and the mounting seat 142 are connected by bolts.

In this embodiment, the end of the mandrel 12 is provided with a threaded structure (not shown in the figure), the center of the connecting seat 144 is provided with a threaded hole (not shown in the figure), the threaded hole and the end of the mandrel 12 are provided with a threaded hole (not shown in the figure). The thread structure is adapted to ensure the fixed connection between the mandrel 12 and the connecting seat 144; the convex structure of the connecting seat 144 extends into the groove structure of the mounting seat 142, and the bolt passes through the convex structure and the groove structure to realize the connecting seat 144 Stable connection to mount 142. During the process of installing the RV reducer cycloidal wheel grinding tool 100 , the installation angle of the connection seat 144 and the installation seat 142 can be adjusted, thereby ensuring that the workpiece 200 to be processed is in an accurate machining position.

In an embodiment of the present invention, preferably, as shown in FIG. 1 to FIG. 3 and FIG. 6 , the locking member 18 is a tightening nut, and the position where the mandrel 12 is connected with the tightening nut is provided with a threaded structure (not shown in the drawings). shown), the threaded structure is adapted to the tightening nut.

In this embodiment, the locking member 18 is a tightening nut, the mandrel 12 is provided with a threaded structure, and the threaded structure is adapted to the tightening nut. After the installation pressure plate 16 is installed, the tightening nut is tightened on the threaded structure of the mandrel 12, and the tightening nut is in contact with the installation pressure plate 16 and drives the installation pressure plate 16 to move toward the workpiece 200 to be processed to ensure that the installation pressure plate 16 is connected to the shaft. The shoulder simultaneously presses the workpiece 200 to be processed, thereby ensuring that the workpiece 200 to be processed is in a stable clamping state.

In an embodiment of the present invention, preferably, as shown in FIG. 6 , the positioning portion 122 is a shaft shoulder, and the shaft shoulder and the mandrel 12 are integrally formed.

In this embodiment, the positioning portion 122 is a shaft shoulder, and the shaft shoulder can be directly manufactured during the processing of the mandrel 12 to avoid the use of additional positioning parts; It has high connection strength and prolongs the service life of the mandrel 12 .

In an embodiment of the present invention, preferably, as shown in FIGS. 3 and 6 , the radial dimension of the positioning portion 122 is smaller than the radial dimension of the workpiece 200 to be processed; the radial dimension of the mounting platen 16 is smaller than that of the workpiece to be processed 200 radial dimension.

In this embodiment, the radial size of the positioning portion 122 is smaller than the radial size of the workpiece 200 to be processed, and the radial size of the mounting platen 16 is smaller than the radial size of the workpiece 200 to be processed, so as to prevent the machine tool from machining the workpiece 200 to be processed. When the positioning part 122 interferes with the mounting platen 16, the normal operation of the machine tool is ensured.

In an embodiment of the present invention, preferably, as shown in FIGS. 2 , 4 and 6 , a tapered shank 124 is provided at the end of the mandrel 12 opposite to the mounting assembly 14 , and two ends of the mandrel 12 pass through the tapered shank respectively. 124 and the mounting assembly 14 are connected to the machine tool.

In this embodiment, one end of the mandrel 12 is provided with the mounting assembly 14 , and the other end of the mandrel 12 is provided with a taper shank 124 . Both ends of the mandrel 12 are respectively connected with the machine tool through the taper shank 124 and the mounting assembly 14 to ensure the stable installation of the RV reducer cycloidal wheel grinding tool 100 . Specifically, the taper shank 124 is a Morse taper shank formed at the end of the mandrel 12 .

In a specific embodiment, the RV reducer cycloidal wheel grinding tool 100 proposed by the present invention is used for the clamping and positioning of the cycloidal wheel of the reducer. Specifically, the mounting seat 142 is fixed on the machine tool spindle chuck; the mandrel 12 is provided with a shaft shoulder, the cycloid wheel to be processed is selected according to the model of the reducer, and the suitable cycloid wheel is selected according to the size of the cycloid wheel to be processed. Install the pressure plate 16, and set the selected installation pressure plate 16 on the mandrel 12, so that the cycloid wheel to be processed is located between the installation pressure plate 16 and the shaft shoulder; the positioning pin 20 is placed in the installation pressure plate 16 and the waiting In the positioning hole for machining the cycloidal wheel, the positioning pin 20 passes through the cycloid wheel to be processed and is tightened on the shaft shoulder. Process the parallelism of the cycloid wheel installation; the positioning nut is tightened on the threaded structure of the mandrel 12 to ensure that the installation pressure plate 16 and the shaft shoulder press the workpiece 200 to be processed at the same time to ensure that the workpiece 200 to be processed is in a stable clamping state; the connecting seat 144 is fixed on the end of the mandrel 12 through a threaded structure, and is connected with the mounting seat 142 by bolts; the Morse taper shank is mounted on the chuck of the machine tool, so that both ends of the RV reducer cycloidal wheel grinding tool 100 pass through the Morse taper respectively. The taper shank and the connecting seat 144 are fixedly connected.

The RV reducer cycloidal wheel grinding tool 100 proposed by the present invention adopts a detachable installation pressure plate 16, adopts a detachable installation pressure plate 16, and selects a suitable installation pressure plate 16 according to the size of the cycloidal wheel to be processed, A set of RV reducer cycloidal wheel grinding tool 100 can complete the grinding and positioning of various sizes and specifications of the cycloid wheel to be processed; The clamping and positioning requirements of the two processing equipment of the vertical grinder; the positioning pin 20 for angle positioning is added, and the parallelism of the cycloid wheel to be processed is adjusted, so that the cycloid curve of the cycloid wheel generated by grinding is closer to the designed one. The theoretical curve, the envelope error of which is less than or equal to 5μm, effectively solves the problem of grinding and positioning of the cycloid cycloid curve, and ensures the machining accuracy of the parts.

In the description of the present invention, the term "plurality" refers to two or more than two, unless otherwise expressly defined, the orientation or positional relationship indicated by the terms "upper", "lower" etc. is based on the drawings. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention; The terms "connected", "installed", "fixed", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or through the middle media are indirectly connected. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiment", etc. means that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or instance. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a kind of RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture characterized by comprising

One end of mandrel, the mandrel is provided with positioning region；

Mounting assembly is connected with the other end of the mandrel, and the mandrel is fixed on lathe by the mounting assembly；

Platen is installed, is sheathed on the mandrel, workpiece to be added is located between the positioning region and the installation platen；

Locking member is sheathed on the mandrel, and the side of the workpiece to be added is deviated from positioned at the installation platen, described to be processed Part is fixed between the installation platen and the positioning region under the action of locking member.

2. RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture according to claim 1, which is characterized in that

The installation platen and the mandrel are detachable connection.

3. RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture according to claim 1 characterized by comprising

Positioning pin, the positioning pin pass through the workpiece to be added and are tightened against the positioning region, by adjusting twisting for the positioning pin Tight degree adjusts the relative position of the workpiece to be added and the mandrel.

4. RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture according to claim 3, which is characterized in that

The quantity of the positioning pin is at least two, and at least two positioning pins divide along the circumferential direction of the workpiece to be added in uniform Cloth.

5. RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture according to any one of claim 1 to 4, which is characterized in that the peace Arrangement includes:

Mounting base is set on the lathe；

Attachment base, the attachment base are connected with the mandrel and the mounting base, and the mandrel passes through the attachment base and institute Mounting base is stated to be fixed on the lathe.

6. RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture according to claim 5, which is characterized in that

The mandrel is to be threadedly coupled with the attachment base；

The attachment base is to be bolted with the mounting base.

7. RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture according to any one of claim 1 to 4, which is characterized in that

The locking member is to tighten nut, and the mandrel tightens the position that nut is connected and be provided with helicitic texture with described, institute Helicitic texture is stated to be adapted with the nut of tightening.

8. RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture according to any one of claim 1 to 4, which is characterized in that

The positioning region is the shaft shoulder, and the shaft shoulder is an integral structure with the mandrel.

9. RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture according to any one of claim 1 to 4, which is characterized in that

The radial dimension of the positioning region is less than the radial dimension of the workpiece to be added；

The radial dimension of the installation platen is less than the radial dimension of the workpiece to be added.

10. RV Key Part of Cycloid Cam Planetary Speed Reducer grinding fixture according to any one of claim 1 to 4, which is characterized in that

Mandrel one end opposite with the mounting assembly is provided with taper shank, and the both ends of the mandrel pass through the taper shank respectively And the mounting assembly is connected with the lathe.