Angular positioning tool for gear shaping of eccentric shaft

Abstract

The utility model discloses an eccentric shaft gear shaping angular positioning tool which comprises a positioning plate, a contact rod is arranged on the positioning plate, and a contact bearing is arranged at one end of the contact rod and used for making contact with a part. The rotating shaft can rotate around the axis of the rotating shaft, and the other end of the contact rod is connected with the rotating shaft; one end of the extension rod is connected to the rotating shaft; and the positioning sensor is arranged at the other end of the extension rod and is used for receiving a position signal of the extension rod. The function of amplifying the highest point of the eccentric outer circle of the part is achieved through the extension rod, so that the highest point of the eccentric outer circle of the part is accurately found, it is guaranteed that the machining position of the part is accurate, and the symmetry degree of the machined eccentric outer circle of the part is good and stable.

Description

Technical Field

[0001] The utility model relates to the technical field of parts positioning, in particular to an eccentric shaft gear inserting angular positioning tool. Background Art

[0002] In the process of machining automobile parts, it is necessary to perform gear shaping on the splines of some eccentric shaft parts. Generally, the upper and lower centers are used to drive the parts to rotate and then process them. The size of the positioning outer circle needs to be controlled. Currently, manual positioning is generally used, and then the gear shaping cutter is used for processing. The manual method leads to large symmetry errors between the splines and the eccentric outer circle of the parts. Utility Model Content

[0003] In order to solve the deficiencies of the prior art, the present application provides an eccentric shaft gear inserting angular positioning tool, including a positioning plate, on which are arranged:

[0004] A contact rod, one end of which is provided with a contact bearing for contacting the parts;

[0005] A rotating shaft, which can rotate around its own axis, and the other end of the contact rod is connected to the rotating shaft;

[0006] an extension rod, one end of which is connected to the rotating shaft;

[0007] The positioning sensor is arranged at the other end of the extension rod and is used for receiving the position signal of the extension rod.

[0008] Furthermore, a mounting groove is provided at the end of the contact rod, and the contact bearing is horizontally arranged in the mounting groove.

[0009] Furthermore, a support seat is provided on the positioning, a mounting cavity is provided in the support seat, and the rotating shaft is arranged in the mounting cavity through a bearing.

[0010] Furthermore, the rotating shaft includes a rotating portion and a connecting portion, the rotating portion is arranged in the installation cavity through two sets of bearings, and the connecting portion extends out of the installation cavity to connect the contact rod and the extension rod.

[0011] Furthermore, the positioning sensor is arranged on the positioning plate via a mounting seat, and adjustment holes are provided up and down the mounting seat. The positioning sensor is mounted via bolts so that the mounting position can be adjusted within the range of the adjustment holes.

[0012] Furthermore, an adjustment component is provided below the mounting seat, and the adjustment component is used to adjust the horizontal position of the positioning sensor.

[0013] Furthermore, a mounting bracket is also provided on the positioning plate, a spring is provided on the mounting bracket, and the other end of the spring is connected to the extension rod. The spring is provided so that the contact bearing is always in contact with the part.

[0014] Furthermore, the length of the extension rod is not less than 300 mm.

[0015] The benefit of the present application lies in that the eccentric shaft gear angular positioning tool provided can magnify the highest point of the eccentric outer circle of the part by extending the rod, so as to accurately find the highest point of the eccentric outer circle of the part, to ensure the accuracy of the part processing position, and to make the eccentric outer circle of the processed part have good symmetry and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of an embodiment of an eccentric shaft gear-slotting angular positioning tooling of the present application;

[0017] Figure 2 for Figure 1 Schematic diagram of the central rotating shaft structure;

[0018] Figure 3 This is a schematic diagram of the eccentric shaft structure of the part to be processed.

[0019] Marked in the figure: 10, positioning plate, 11, contact rod, 12, contact bearing, 13, rotating shaft, 131, rotating part, 132, connecting part, 133, connecting hole, 14, supporting seat, 15, extension rod, 16, positioning sensor, 17, mounting seat, 171, adjustment hole, 18, adjustment assembly, 19, mounting bracket, 20, spring, 21, bearing. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0021] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0022] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0023] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0024] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] See also Figure 1-2The present embodiment provides an eccentric shaft gear angular positioning tool, including a positioning plate 10, a support seat 14 is arranged on the positioning plate 10, and a mounting cavity is provided in the support seat 14. A rotating shaft 13 is arranged in the mounting cavity through two sets of bearings 21, and a plurality of connecting holes 133 are arranged at intervals at the top of the rotating shaft 13 in the circumferential direction, wherein a contact rod 11 and an extension rod 15 are respectively arranged in two connecting holes, and the connecting holes 133 are threaded holes, and the contact rod and the extension rod are threadedly connected with the connecting holes, wherein a mounting groove is provided at the free end of the contact rod 11, and a contact bearing 12 is horizontally arranged in the mounting groove for contacting with the parts, and a positioning sensor 16 is arranged at the free end of the extension rod 15 for detecting the position signal of the extension rod.

[0027] Specifically, the rotating shaft 13 includes a rotating portion 131 and a connecting portion 132 . The rotating portion 131 is disposed in the mounting cavity via two sets of bearings. The connecting portion 132 extends out of the mounting cavity. The connecting hole 133 is formed on the connecting portion.

[0028] Specifically, the positioning sensor 16 is set on the positioning plate through the mounting seat 17, and adjustment holes 171 are opened up and down along the mounting seat. The positioning sensor 16 is installed by bolts and its vertical installation position can be adjusted within the range of the adjustment hole. In order to be able to adjust the horizontal installation position of the positioning sensor at the same time, an adjustment component 18 is set under the mounting seat 17. The adjustment component adopts the XYZ axis assembly platform precision displacement slide commonly seen on the market.

[0029] Since the extension rod 15 will move with the rotation of the part during the positioning process, a mounting bracket 19 is also provided on the positioning plate 10, and a spring 20 is provided on the mounting bracket 19. The other end of the spring 20 is used to hook the extension rod so that it can be reset after deviating from the initial position, thereby ensuring that the highest point of the eccentric outer circle of the part can always abut against the contact bearing 12 during the rotation of the part.

[0030] like Figure 3 As shown, the highest point of the eccentric outer circle of the part is used as the starting angle of the spline processing. Before processing, the part is first placed between the upper and lower centers. At this time, the eccentric circle of the part has not yet contacted the contact bearing 12. Then the upper and lower bearings drive the part to rotate, and the eccentric circle of the part contacts the contact bearing 12. Through the amplifying effect of the extension rod 15, the free end of the extension rod is rotated into the slot of the positioning sensor 16. The length of the extension rod is generally not less than 300mm, thereby ensuring the amplification effect. Then the center stops rotating, the signal of the positioning sensor is transmitted to the equipment, and the equipment feeds back the signal to the gear cutter to set the angle, and then the gear cutting process is performed. Through the positioning tooling of the present application, the highest point of the eccentric outer circle can be accurately found, thereby achieving precise processing.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An eccentric shaft gear shaping angular positioning tool, comprising a positioning plate, characterized in that: The positioning plate is provided with: A contact rod, one end of which is provided with a contact bearing for contacting the parts; A rotating shaft, which can rotate around its own axis, and the other end of the contact rod is connected to the rotating shaft; an extension rod, one end of which is connected to the rotating shaft; The positioning sensor is arranged at the other end of the extension rod and is used for receiving the position signal of the extension rod.

2. The angular positioning tool for eccentric shaft gear shaping according to claim 1, characterized in that: An installation groove is provided at the end of the contact rod, and the contact bearing is horizontally arranged in the installation groove.

3. The angular positioning tool for eccentric shaft gear shaping according to claim 1, characterized in that: A support seat is arranged on the positioning, a mounting cavity is arranged in the support seat, and the rotating shaft is arranged in the mounting cavity through a bearing.

4. The angular positioning tool for eccentric shaft gear shaping according to claim 3, characterized in that: The rotating shaft comprises a rotating part and a connecting part. The rotating part is arranged in the installation cavity through two sets of bearings. The connecting part extends out of the installation cavity to connect the contact rod and the extension rod.

5. The angular positioning tool for eccentric shaft gear shaping according to claim 1, characterized in that: The positioning sensor is arranged on the positioning plate through a mounting seat, and adjustment holes are provided up and down along the mounting seat. The positioning sensor is mounted through bolts so that the mounting position can be adjusted within the range of the adjustment holes.

6. The angular positioning tool for eccentric shaft gear shaping according to claim 5, characterized in that: An adjustment component is arranged below the mounting seat, and the adjustment component is used to adjust the horizontal position of the positioning sensor.

7. The angular positioning tool for eccentric shaft gear shaping according to claim 1, characterized in that: The positioning plate is also provided with a mounting bracket, the mounting bracket is provided with a spring, and the other end of the spring is connected to the extension rod.

8. The angular positioning tool for eccentric shaft gear shaping according to claim 1, characterized in that: The length of the extension rod is not less than 300 mm.

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