Workpiece double-end-face grinding mechanism

Abstract

The utility model provides a double-end-face grinding mechanism for a workpiece, and relates to the technical field of grinding machines. The workpiece double-end-face grinding mechanism comprises a lower grinding disc, an upper grinding disc and a plurality of planet wheels. The lower grinding disc comprises a fixed disc and a rotating disc; the fixed disc is used for being fixedly installed on a grinding machine and provided with a first planetary gear. The rotating disc is used for being in transmission connection with a grinding machine, is provided with a second planetary gear and is pivoted with the fixed disc; the planet gear is respectively meshed with the first planet gear and the second planet gear; the planet wheel is provided with a plurality of mounting holes and limiting holes corresponding to the mounting holes; the limiting hole is detachably connected with a jackscrew; the upper grinding disc is in transmission connection with the grinding machine and located above the planet gear, and in the working state, the working face of the upper grinding disc is located between the first planet gear and the second planet gear. According to the workpiece double-end-face grinding mechanism, the technical problem that in the machining process of an existing workpiece double-end-face grinding mechanism, abrasion of the outer circle of a workpiece and the inner wall of a mounting hole is large is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machines, in particular to a workpiece double-end surface grinding mechanism. Background Art

[0002] A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece.

[0003] Some workpieces need to be ground on both ends, such as the inner and outer rings of bearings. The existing workpiece double-end surface grinding mechanism places the workpiece in the mounting hole of the turntable, so that the turntable can drive the workpiece between the lifting grinding wheel and the fixed grinding wheel. After the lifting grinding wheel descends and contacts the workpiece, processing can begin. The lifting grinding wheel and the fixed grinding wheel rotate simultaneously to grind both ends of the workpiece. When the processing is completed, each grinding wheel stops working. This kind of workpiece double-end surface grinding mechanism can process more workpieces, and the mounting holes are usually set on the outer edge of the turntable. During the processing, the outer circle of the workpiece and the inner wall of the mounting hole are greatly worn.

[0004] The inventors have found at least the following problems in the process of implementing this embodiment:

[0005] In the existing workpiece double-end surface grinding mechanism, during the machining process, the outer circle of the workpiece and the inner wall of the mounting hole are greatly worn. Utility Model Content

[0006] The utility model aims to provide a workpiece double end surface grinding mechanism, which solves the technical problem that the outer circle of the workpiece and the inner wall of the mounting hole are greatly worn during the processing of the existing workpiece double end surface grinding mechanism.

[0007] Utility model solution:

[0008] The utility model provides a workpiece double-end surface grinding mechanism, comprising: a lower grinding disc, an upper grinding disc, and a plurality of planetary wheels; the lower grinding disc comprises a fixed disc and a rotating disc; the fixed disc is used for being fixedly mounted on a grinding machine, and the fixed disc is provided with a first planetary gear; the rotating disc is used for being transmission-connected to the grinding machine, and the rotating disc is provided with a second planetary gear, and is pivotally connected to the fixed disc; the planetary wheels are respectively meshed with the first planetary gear and the second planetary gear, and are located between the first planetary gear and the second planetary gear; the planetary wheels are provided with a plurality of mounting holes, and are provided with limiting holes corresponding to the mounting holes; the limiting holes are detachably connected with a top screw; the upper grinding disc is transmission-connected to the grinding machine, and is located above the planetary wheels, and in a working state, the working surface of the upper grinding disc is between the first planetary gear and the second planetary gear.

[0009] Furthermore, the height of the first planetary gear and the second planetary gear is greater than the thickness of the planetary wheel.

[0010] Furthermore, the plurality of mounting holes are arranged in an equidistant circular pattern on the planet gear.

[0011] Furthermore, the plurality of planet gears are arranged in an equidistant circular pattern on the rotating disk.

[0012] Beneficial effects:

[0013] The present utility model provides a workpiece double-end grinding mechanism. When in use, the workpiece to be processed is placed into the mounting holes of the planet gear, and the workpiece is fastened to the mounting holes by set screws. The planet gear is placed on the rotating disk, and the planet gear meshes with the first planet gear and the second planet gear. The rotating disk rotates clockwise, and the upper grinding disk moves downward and rotates counterclockwise to grind the double ends of the workpiece. In this workpiece double-end grinding mechanism, there is no relative movement between the workpiece and the planet gear, and the wear of the inner wall of the workpiece and the mounting hole is small. At the same time, when the rotating disk rotates one circle, the planet gear rotates multiple circles, increasing the grinding area with the upper grinding disk and improving the grinding efficiency. Description of the drawings

[0014] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 Structural schematic diagram of the workpiece double-end grinding mechanism provided in this embodiment;

[0016] Figure 2 Partial structural schematic diagram of the workpiece double-end grinding mechanism provided in this embodiment;

[0017] Figure 3 Partial structural schematic diagram of the workpiece double-end grinding mechanism provided in this embodiment;

[0018] Figure 4 Partial structural schematic diagram of the workpiece double-end grinding mechanism provided in this embodiment.

[0019] Icon:

[0020] 100 - lower grinding disk; 110 - fixed disk; 111 - first planet gear; 120 - rotating disk; 121 - second planet gear;

[0021] 200 - upper grinding disk;

[0022] 300 - planet gear; 310 - mounting hole; 320 - limiting hole; 330 - set screw. Specific embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. The components of the embodiments of the present utility model usually described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model to be protected, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0025] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0026] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to 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 utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and cannot be understood as indicating or implying relative importance.

[0027] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined. In the pursuit problem, when the time is different and the distance is the same, the total distance is assigned. In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0028] The following will, in conjunction with the accompanying drawings, elaborate on some embodiments of the present utility model. Without conflict, the following embodiments and the features in the embodiments may be combined with each other.

[0029] This embodiment provides a double-end grinding mechanism for workpieces. Please refer to Figures 1-4 As shown in the figure, it includes: a lower grinding disc 100, an upper grinding disc 200, and several planetary gears 300; the lower grinding disc 100 includes a fixed disc 110 and a rotating disc 120; the fixed disc 110 is used for fixedly installing on a grinding machine, and the fixed disc 110 is provided with a first planetary tooth 111; the rotating disc 120 is used for driving connection with the grinding machine, the rotating disc 120 is provided with a second planetary tooth 121, and it is pivotally connected with the fixed disc 110; the planetary gears 300 are respectively meshed with the first planetary tooth 111 and the second planetary tooth 121, and they are located between the first planetary tooth 111 and the second planetary tooth 121; the planetary gears 300 are provided with several mounting holes 310, and they are provided with limiting holes 320 corresponding to the mounting holes 310; the limiting holes 320 are detachably connected with set screws 330; the upper grinding disc 200 is in driving connection with the grinding machine, and it is located above the planetary gears 300. In the working state, the working surface of the upper grinding disc 200 is between the first planetary tooth 111 and the second planetary tooth 121.

[0030] Specifically, the upper grinding disc 200 is used for grinding the upper surface of the workpiece, the lower grinding disc 100 is used for grinding the lower surface of the workpiece, the fixed disc 110 and the rotating disc 120 cooperate to make the planetary gears 300 rotate, and the set screws 330 are installed into the limiting holes 320 of the planetary gears 300 to fasten the workpiece to the mounting holes 310, preventing the workpiece from moving relative to the planetary gears 300 and avoiding wear on both sides. The cooperation of the first planetary tooth 111 and the second planetary tooth 121 can make the planetary gears 300 rotate on the rotating disc; during use, the workpiece to be processed is placed into the mounting holes 310 of the planetary gears 300, the workpiece is fastened to the mounting holes 310 through the set screws 330, the planetary gears 300 are placed on the rotating disc 120, the planetary gears 300 are meshed with the first planetary tooth 111 and the second planetary tooth 121, the rotating disc 120 rotates clockwise, the upper grinding disc 200 moves downward and rotates counterclockwise to grind the double ends of the workpiece.

[0031] In this embodiment, the heights of the first planetary tooth 111 and the second planetary tooth 121 are greater than the thickness of the planetary gears 300.

[0032] Specifically, the heights of the first planetary tooth 111 and the second planetary tooth 121 are higher than the height of the planetary gears 300, preventing the planetary gears 300 from slipping out on the rotating disc 120.

[0033] In this embodiment, several mounting holes 310 are arranged in an equidistant circular pattern on the planetary gears 300.

[0034] Specifically, there are eight mounting holes 310, which are arranged in an equidistant circular pattern on the planetary gear 300, ensuring uniform grinding of each workpiece.

[0035] In this embodiment, several planetary gears 300 are arranged in an equidistant circular pattern on the rotating disk 120.

[0036] Specifically, there are four planetary gears 300, which are arranged in an equidistant circular pattern on the rotating disk 120, ensuring stable operation of each planetary gear 300 on the rotating disk 120, and thus ensuring uniform grinding of each workpiece.

[0037] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A workpiece double-end surface grinding mechanism, characterized in that: include: A lower grinding disc (100), an upper grinding disc (200), and a plurality of planetary gears (300); The lower grinding disc (100) comprises a fixed disc (110) and a rotating disc (120); The fixed disk (110) is used for being fixedly mounted on a grinding machine, and the fixed disk (110) is provided with a first planetary gear (111); The rotating disk (120) is used for transmission connection with the grinding machine, the rotating disk (120) is provided with a second planetary gear (121), and is pivotally connected to the fixed disk (110); The planetary gear (300) is meshed with the first planetary gear (111) and the second planetary gear (121) respectively, and is located between the first planetary gear (111) and the second planetary gear (121); The planetary wheel (300) is provided with a plurality of mounting holes (310), and is also provided with limiting holes (320) corresponding to the mounting holes (310); The limiting hole (320) is detachably connected with a top screw (330); The upper grinding disc (200) is transmission-connected to the grinding machine and is located above the planetary gear (300). In a working state, the working surface of the upper grinding disc (200) is between the first planetary gear (111) and the second planetary gear (121).

2. A workpiece double-end surface grinding mechanism according to claim 1, characterized in that: The height of the first planetary teeth (111) and the second planetary teeth (121) is greater than the thickness of the planetary wheel (300).

3. A workpiece double-end surface grinding mechanism according to claim 2, characterized in that: The plurality of mounting holes (310) are arranged on the planetary gear (300) in an equidistant circular pattern.

4. A workpiece double-end surface grinding mechanism according to claim 3, characterized in that: The plurality of planetary gears (300) are arranged on the rotating disk (120) in an equidistant circular pattern.

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