Forming grinding wheel dressing tool
By designing and trimming the tooling of the molded grinding wheel, using the meshing structure and positioning adjustment, the efficient processing of high-precision, high-hardness and low-rough spherical parts on ordinary cylindrical grinders is achieved, solving the processing problems in curved grinders and reducing production costs.
Patent Information
- Application Number
- CN202422401556.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-30
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-30
AI Technical Summary
In the absence of a curved grinder, how to efficiently process high-precision, high-hardness, and low-roughness spherical parts and reduce production costs.
A molded grinding wheel is used to trim the tooling body, positioning pins, rotary shafts, sector bevel gears, bases, diamond pens, fastening screws, moving sleeves, adjustment screws, dials, bevel gears and handwheels. The uniform movement of the diamond pen is achieved through meshing structure and positioning adjustment, and spherical parts are processed using ordinary cylindrical grinders.
The accuracy of the spherical parts processed on ordinary cylindrical grinders is achieved to reach 0.008~0.012mm, and the surface roughness Ra0.8um is achieved, reducing processing costs.
Smart Images
Figure CN223130397U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grinding wheel dressing, in particular to a dressing tool for a formed grinding wheel. Background Art
[0002] When machining spherical parts with high precision, high hardness and low roughness, generally a spherical forming tool or numerical control programming is used for rough turning with a little allowance left, and then grinding and forming with a surface grinding machine. Since the surface grinding machine is expensive, it is costly to purchase a machine tool for single-piece or small-batch production. How to machine spherical parts with precise dimensions with an ordinary cylindrical grinding machine when there is no surface grinding machine is a technical problem to be solved. Summary of the Utility Model
[0003] The technical problem solved by the utility model is to provide a dressing tool for a formed grinding wheel to solve the problems in the above background art.
[0004] The technical problem solved by the utility model is realized by adopting the following technical solutions:
[0005] A dressing tool for a formed grinding wheel includes a tooling body (1), a positioning pin (2), a stop pin (3), a rotary shaft (4), a sector bevel gear (5), a base (6), a diamond pen (7), a fastening screw (8), a moving sleeve (9), an adjusting screw (10), a dial (11), a bevel gear (12) and a handwheel (13). Among them, the tooling body (1) is fixed on the workbench of an ordinary cylindrical grinding machine. One end of the rotary shaft (4) is installed on the tooling body (1), and the other end of the rotary shaft (4) is nested with a sector bevel gear (5). The base (6) is fixedly installed on the sector bevel gear (5). A moving sleeve (9) is installed on the base (6). The diamond pen (7) is installed in the moving sleeve (9) and fastened with a fastening screw (8). An adjusting screw (10) and a dial (11) are arranged below the diamond pen (7). One end of the bevel gear (12) meshes with the sector bevel gear (5), and the other end of the bevel gear (12) is connected with the handwheel (13). At the same time, stop pins (3) for controlling the rotation angle of the diamond pen (7) are symmetrically arranged at both ends of the sector bevel gear (5).
[0006] In the utility model, a positioning pin (2) is arranged on the tooling body (1). By changing the position of the positioning pin (2) on the body (1), the rotation angle of the diamond pen (7) can be changed.
[0007] In the utility model, an inner hole is arranged on the base (6) for installing the moving sleeve (9) in the base (6).
[0008] In the utility model, a sleeve hole is arranged in the moving sleeve (9), and the diamond pen (7) is installed in the sleeve hole of the moving sleeve (9).
[0009] In the present utility model, rotating the dial (11) can make the diamond pen (7) move back and forth in a micro straight line. Rotating the handwheel (13) drives the bevel gear (12) and the sector bevel gear (5) to make the diamond pen (7) rotate around the return shaft (4). By adopting the meshing structure of the bevel gear (11) and the sector bevel gear (5), during the process of dressing the grinding wheel, the movement of the diamond pen (7) is uniform and stable, thus obtaining a higher precision of the arc.
[0010] Beneficial effects: The present utility model effectively solves the problem of grinding spherical parts with high precision, high hardness and low surface roughness in the absence of a surface grinder. Through on-site trial grinding verification, the surface precision of the spherical surface processed by using the formed grinding wheel dressed by this new type reaches 0.008 - 0.012 mm, and the surface roughness Ra is 0.8 μm, thereby reducing the processing production cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is the front view of the preferred embodiment of the present utility model.
[0012] Figure 2 It is the structural schematic diagram of the preferred embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0013] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below with reference to specific drawings.
[0014] Refer to Figures 1 to 2 A formed grinding wheel dressing tooling, comprising a tooling body (1), a positioning pin (2), a stop pin (3), a return shaft (4), a sector bevel gear (5), a base (6), a diamond pen (7), a fastening screw (8), a moving sleeve (9), an adjusting screw (10), a dial (11), a bevel gear (12) and a handwheel (13). Among them, the tooling body (1) is fixed on the workbench of a common cylindrical grinder. One end of the return shaft (4) is installed on the tooling body (1), and the other end of the return shaft (4) is nested with a sector bevel gear (5). The base (6) is fixedly installed on the sector bevel gear (5). A moving sleeve (9) is installed on the base (6), and the diamond pen (7) is installed in the moving sleeve (9) and fastened with a fastening screw (8). An adjusting screw (10) and a dial (11) are arranged below the diamond pen (7). One end of the bevel gear (12) meshes with the sector bevel gear (5), and the other end of the bevel gear (12) is connected to the handwheel (13). At the same time, stop pins (3) are symmetrically arranged at both ends of the sector bevel gear (5) to control the rotation angle of the diamond pen (7).
[0015] In this embodiment, a positioning pin (2) is arranged on the tooling body (1). By changing the position of the positioning pin (2) on the body (1), the rotation angle of the diamond pen (7) can be changed.
[0016] In this embodiment, an inner hole is provided on the base (6) for installing and mounting the moving sleeve (9) inside the base (6).
[0017] In this embodiment, a sleeve hole is provided inside the moving sleeve (9), and the diamond pen (7) is installed in the sleeve hole of the moving sleeve (9).
[0018] In this embodiment, rotating the dial (11) can make the diamond pen (7) move back and forth in a micro linear motion, and rotating the handwheel (13) drives the diamond pen (7) to rotate around the return shaft (4) through the bevel gear (12) and the sector bevel gear (5). With the meshing structure of the bevel gear (11) and the sector bevel gear (5), during the process of dressing the grinding wheel, the movement of the diamond pen (7) is uniform and stable, so that the accuracy of the arc is relatively high.
[0019] In this embodiment, by adjusting the screw (10), the radius of the arc of the grinding wheel can be changed, and by finely adjusting the dial (11), the arc value can reach the accurate value.
[0020] In this embodiment, during use, the tooling body (1) is fixed on the working table of a common cylindrical grinder through a hook bolt. Rotate the axial movement handle of the cylindrical grinder to place the diamond pen (7) at the middle position of the width of the grinding wheel; rotate the radial movement handle of the grinder to make the diamond pen (7) contact the surface of the grinding wheel; then rotate the handwheel (13) to make the diamond pen (7) rotate around the return shaft (4) to dress the surface of the grinding wheel. After trial grinding, measure the arc value, and adjust by rotating the dial (11) in combination with the actual difference to make the arc value conform to the requirements of the drawing.
[0021] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed by the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A dressing tool for a formed grinding wheel, comprising a tooling body (1), a stop pin (3), a rotating shaft (4), a sector bevel gear (5), a base (6), a diamond pen (7), a movable sleeve (9), an adjusting screw (10), a dial (11), a bevel gear (12) and a handwheel (13), characterized in that, The tooling body (1) is fixed on the workbench of a common cylindrical grinder. One end of the rotating shaft (4) is installed on the tooling body (1), and a sector bevel gear (5) is nested at the other end of the rotating shaft (4). The base (6) is fixedly installed on the sector bevel gear (5), and a movable sleeve (9) is installed on the base (6). The diamond pen (7) is installed in the movable sleeve (9); an adjusting screw (10) and a dial (11) are arranged below the diamond pen (7); one end of the bevel gear (12) meshes with the sector bevel gear (5), and the other end of the bevel gear (12) is connected to the handwheel (13); at the same time, stop pins (3) for controlling the rotation angle of the diamond pen (7) are symmetrically arranged at both ends of the sector bevel gear (5).
2. The dressing tool for a formed grinding wheel according to claim 1, wherein A positioning pin (2) is arranged on the tooling body (1).
3. The dressing tool for a formed grinding wheel according to claim 1, characterized in that, The base (6) is provided with an inner hole, and the movable sleeve (9) is installed in the inner hole of the base (6).
4. A dressing tool for a formed grinding wheel according to claim 1, wherein, The movable sleeve (9) is provided with a sleeve hole, and the diamond pen (7) is installed in the sleeve hole of the movable sleeve (9).