Ultra-precision workpiece machining equipment
By designing a first rotating component, a second rotating component, and a third rotating component, combined with a limiting component and a support pad, the workpiece achieves three degrees of freedom of movement on the grinding disc, solving the problem that the workpiece cannot stay at any point and improving the machining accuracy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-24
AI Technical Summary
Existing ultra-precision workpiece processing equipment cannot control the dwell time and position of the workpiece at any point, resulting in insufficient processing accuracy.
The first, second, and third rotating components work together to achieve three degrees of freedom motion of the workpiece. The design of the limiting components and support pads ensures that the workpiece can stay at any position on the grinding disc for any time, preventing shaking and tilting.
It improves machining accuracy, enabling precise dwell and machining of workpieces at any position, thus enhancing machining precision.
Smart Images
Figure CN224027295U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to processing equipment technical field, concretely relates to a super-precision workpiece processing equipment. BACKGROUND
[0002] Super-precision processing refers to using grinding, lapping, gas bag precession, ion beam, plasma, magnetorheological and other processes and corresponding equipment to process the workpiece globally or locally, so that the workpiece surface shape reaches micron or nanometer level precision processing mode.
[0003] The super-precision workpiece processing equipment is to adhere the workpiece surface to be processed to the grinding disc, utilize the high-speed rotation of the disc surface, combine the pressure and the action of abrasive, and remove the material of the workpiece surface to be processed. However, in the processing process, due to the limitation of motor and mechanical structure, the workpiece cannot be stopped at any point, and the workpiece cannot be controlled to stop at any point, so that the workpiece cannot be accurately processed. UTILITY MODEL CONTENT
[0004] In view of the defects in the prior art, the utility model aims at providing a super-precision workpiece processing equipment, so that the workpiece can be stopped at any position on the grinding disc for any time during the processing process, so as to improve the processing precision by controlling the stopping time.
[0005] In order to achieve the above-mentioned purpose, the utility model realizes the technical scheme as follows: a super-precision workpiece processing equipment, comprising a workbench, a rotating disc and a grinding disc, further comprising:
[0006] a base;
[0007] a first rotating assembly, the first rotating assembly comprising a first connecting rod and a first motor, the first end of the first connecting rod being arranged on the base and being rotationally connected with the base, and the first motor being used for controlling the rotation of the first end of the first connecting rod;
[0008] a second rotating assembly, the second rotating assembly comprising a second connecting rod and a second motor, the first end of the second connecting rod being rotationally connected with the second end of the first connecting rod, and the second motor being used for controlling the rotation of the first end of the second connecting rod;
[0009] a third rotating assembly, the third rotating assembly comprising a third connecting rod and a third motor, the first end of the third connecting rod being rotationally connected with the second end of the second connecting rod, and the third motor being used for controlling the rotation of the first end of the third connecting rod;
[0010] a support pad, the support pad being sleeved on the outer side of the grinding disc and being fixedly connected with the rotating disc, and the upper surface of the support pad being flush with the upper surface of the grinding disc;
[0011] A limiting assembly comprises a guide rod, a pressing plate and a plurality of limiting blocks, the guide rod passes through the second end of the third connecting rod in the longitudinal direction and is in sliding connection with the third connecting rod, the pressing plate is fixedly installed at the bottom of the guide rod, and the plurality of limiting blocks are fixedly installed at the bottom of the pressing plate.
[0012] Further, the bottom of the pressing plate is fixedly installed with a buffer pad.
[0013] Further, the number of the guide rods is three, and the three guide rods are arranged in a ring shape.
[0014] Further, the number of the limiting blocks is three.
[0015] Further, an annular accommodating groove is formed between the grinding disc and the supporting pad.
[0016] Further, a spring is sleeved on the guide rod, and the spring makes the pressing plate have a downward moving tendency.
[0017] The super-precision workpiece machining equipment has the advantages that the first rotating assembly, the second rotating assembly and the third rotating assembly work in cooperation to realize three-degree-of-freedom movement of the pressing plate and the workpiece, so that the workpiece can stay at any position for any time. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model under the first visual angle;
[0019] Figure 2 It is a three-dimensional structure schematic view of the utility model under the second visual angle
[0020] Figure 3 It is Figure 2 An enlarged structure schematic view of A part in the middle;
[0021] Figure 4 It is a front view structure schematic view of the utility model.
[0022] The drawings show that 10 is a rotating disc, 11 is a grinding disc, 12 is an annular accommodating groove, 20 is a base, 30 is a first rotating assembly, 31 is a first connecting rod, 32 is a first motor, 40 is a second rotating assembly, 41 is a second connecting rod, 42 is a second motor, 50 is a third rotating assembly, 51 is a third connecting rod, 52 is a third motor, 60 is a supporting pad, 70 is a limiting assembly, 71 is a guide rod, 72 is a pressing plate, 73 is a limiting block, 74 is a buffer pad, and 80 is a workpiece. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0024] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixing" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0025] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "vertical", "horizontal", "horizontal", "top", "bottom", "upper", "lower", "inner" and "outer" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.
[0026] In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In the description of the utility model, the meaning of "multiple" is more than two, unless otherwise explicitly specified and limited.
[0027] As Figures 1-4 As shown in the utility model provides a kind of super-precision workpiece processing equipment, including workbench, rotating disc 10, grinding disc 11 and control cabinet, the drive motor in workbench interior can drive rotating disc 10 rotation, grinding disc 11 is fixedly installed on rotating disc 10, the axis of grinding disc 11 is collinear with the axis of rotating disc 10, above-mentioned content is all prior art, specific structure is not repeated here.The utility model further includes pedestal 20, first rotating assembly 30, second rotating assembly 40, third rotating assembly 50, support pad 60 and limiting assembly 70.
[0028] Pedestal 20 is fixedly installed on ground.
[0029] First rotating assembly 30 includes first connecting rod 31 and first motor 32.The first end of first connecting rod 31 is arranged on pedestal 20 and rotationally connected with pedestal 20.First motor 32 is fixedly installed on pedestal 20 for controlling the rotation of the first end of first connecting rod 31, and first motor 32 is electrically connected with control cabinet.
[0030] The second rotating assembly 40 comprises a second connecting rod 41 and a second motor 42. The first end of the second connecting rod 41 is rotationally connected with the second end of the first connecting rod 31. The second motor 42 is fixedly installed on the second end of the first connecting rod 31 and is used for controlling the rotation of the first end of the second connecting rod 41. The second motor 42 is electrically connected with the control cabinet.
[0031] The third rotating assembly 50 comprises a third connecting rod 51 and a third motor 52. The first end of the third connecting rod 51 is rotationally connected with the second end of the second connecting rod 41. The third motor 52 is fixedly installed on the second end of the second connecting rod 41 and is used for controlling the rotation of the first end of the third connecting rod 51. The second motor 42 is electrically connected with the control cabinet. The first motor 32, the second motor 42 and the third motor 52 are all programmable motors.
[0032] The support pad 60 is sleeved on the outer side of the grinding disc 11 and is fixedly connected with the rotating disc 10. The upper surface of the support pad 60 is flush with the upper surface of the grinding disc 11.
[0033] The limiting assembly 70 comprises a guide rod 71, a pressing plate 72 and a plurality of limiting blocks 73. The guide rod 71 passes through the second end of the third connecting rod 51 in the longitudinal direction and is slidably connected with the third connecting rod 51. The pressing plate 72 is fixedly installed on the bottom of the guide rod 71 in the transverse direction. The plurality of limiting blocks 73 are fixedly installed on the bottom of the pressing plate 72. The pressing plate 72 and the plurality of limiting blocks 73 form a limiting area therebetween, which is adapted to the workpiece 80.
[0034] In the initial state, the limiting blocks 73 are in contact with the grinding disc 11.
[0035] In the working process of the utility model, the staff first sprinkles the grinding liquid and the grinding medium on the grinding disc 11, pulls the guide rod 71 upwards, and places the workpiece 80 in the limiting area. Then the rotating disc 10 drives the grinding disc 11 to start rotating, and the grinding liquid and the grinding medium will grind the bottom of the workpiece 80.
[0036] In the process of the grinding operation, the control cabinet can control the first motor 32, the second motor 42 and the third motor 52 to start, so as to drive the first connecting rod 31, the second connecting rod 41 and the third connecting rod 51 to rotate respectively, realize the three-degree-of-freedom motion of the pressing plate 72 and the workpiece 80 in the X-Y direction, and enable the pressing plate 72 and the workpiece 80 to stay at any position on the grinding disc 11 for processing, thereby greatly expanding the processing track. Moreover, the design of the support pad 60 can provide support force for the position of the workpiece 80 beyond the grinding disc 11, so as to avoid the inclination of the workpiece 80, and thus the processing precision is higher.
[0037] In one embodiment, the bottom of the pressing plate 72 is fixedly installed with a buffer pad 74 (for the purpose of showing the internal structure, the pressing plate 72 and the buffer pad 74 are cut in the drawings), and the buffer pad 74 is designed to make the force of the pressing plate 72 more evenly transmitted to the workpiece 80.
[0038] In one embodiment, the number of guide rods 71 is three, and the three guide rods 71 are arranged in a ring shape.
[0039] In one embodiment, the number of limiting blocks 73 is three, and the three limiting blocks 73 are arranged in a ring shape.
[0040] In one embodiment, an annular accommodating groove 12 is formed between the grinding disc 11 and the support pad 60. During the grinding operation, part of the grinding liquid and the grinding medium will fall into the annular accommodating groove 12 due to the centrifugal force, so as to avoid spilling onto the support pad 60 and causing excessive grinding of the workpiece 80.
[0041] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.
[0042] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. An ultra-precision workpiece machining apparatus comprising a worktable, a turntable and a lapping disc, characterized in that: Also include: A base; A first rotating assembly, the first rotating assembly comprising a first connecting rod and a first motor, a first end of the first connecting rod being arranged on the base and being rotationally connected with the base, the first motor being used for controlling the first end of the first connecting rod to rotate; A second rotating assembly, the second rotating assembly comprising a second connecting rod and a second motor, a first end of the second connecting rod being rotationally connected with a second end of the first connecting rod, the second motor being used for controlling the first end of the second connecting rod to rotate; A third rotating assembly, the third rotating assembly comprising a third connecting rod and a third motor, a first end of the third connecting rod being rotationally connected with a second end of the second connecting rod, the third motor being used for controlling the first end of the third connecting rod to rotate; A support pad, the support pad being sleeved outside the grinding disc and being fixedly connected with the rotating disc, an upper surface of the support pad being flush with an upper surface of the grinding disc; A limiting assembly, the limiting assembly comprising a guide rod, a pressing plate and a plurality of limiting blocks, the guide rod penetrating through a second end of the third connecting rod in a longitudinal direction and being slidably connected with the third connecting rod, the pressing plate being fixedly installed at a bottom of the guide rod, and the plurality of limiting blocks being fixedly installed at a bottom of the pressing plate.
2. The ultra-precision workpiece machining apparatus of claim 1, wherein: A buffer pad is fixedly installed at the bottom of the pressing plate.
3. The ultra-precision workpiece machining apparatus of claim 1, wherein: The number of the guide rods is three, and the three guide rods are arranged in a ring direction.
4. The apparatus of claim 1, wherein: The number of the limiting blocks is three.
5. The apparatus of claim 1, wherein: An annular accommodating groove is formed between the grinding disc and the support pad.
6. The ultra-precision workpiece machining apparatus of claim 1, wherein: A spring is sleeved on the guide rod, and the spring causes the pressing plate to have a downward moving tendency.