Pressing and feeding mechanism of precise grinding machine tool
By designing the combination structure between the pressing sheet and the guide plate on the grinding machine tool, the problem of thin workpieces that cannot be pressed on the guide plate in the prior art is solved, and the stable pressing of millimeter-level workpieces on the guide plate is achieved. , meets grinding needs, and is simple in structure and low in cost.
Patent Information
- Application Number
- CN202421117264.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-21
AI Technical Summary
When grinding, existing double-end grinding machines cannot effectively press small workpieces on the guide plate, especially thin sheet workpieces, resulting in the inability to achieve millimeter-level press feeding.
A press feeding mechanism for precision grinding machine tools is designed, and the workpiece is stably pressed on the guide plate using a pressing piece. Through the inner step arc structure and arc surface design of the inner limit plate and the outer limit plate of the pressing material, combined with the The arc-shaped pressing sheet and the arc surface of the guide plate are fitted to achieve stable position adjustment and grinding of the workpiece.
It realizes the stable pressing of millimeter-level workpieces on the guide plate, meeting the grinding needs of sheet-type workpieces. At the same time, the structure is simple, the cost is low, and the pressure effect is good.
Smart Images
Figure CN222289778U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of double-end surface grinding machine tools, in particular to a pressure feeding mechanism of a precision grinding machine tool. Background Art
[0002] At present, the common double-end surface grinding machines on the market all use a wheel-type guide plate. When performing double-end surface grinding, grinding is performed by the grinding wheels on both sides of the guide plate. When grinding the workpiece, the workpiece needs to be pressed tightly against the workpiece mounting position of the guide plate. The current pressing method is to press the workpiece against the guide plate through a belt. This belt pressing method is only suitable for larger workpieces. This is because of the limitation of the belt size. Since the belt size can only be at the centimeter level while ensuring performance, it cannot be at the millimeter level. Therefore, only workpieces with a centimeter level are suitable for belt pressing. Even if it can be at the millimeter level, the performance of the belt will decrease, and it cannot meet the requirement of stably pressing the workpiece on the guide plate. Utility Model Content
[0003] The utility model aims to provide a pressure feeding mechanism for a precision grinding machine tool, aiming to solve the technical problem that thin-sheet workpieces cannot be pressure fed in the prior art.
[0004] The utility model is implemented as follows: a pressure feeding mechanism of a precision grinding machine tool, the precision grinding machine tool comprises a frame, a material guide component arranged on the frame, a material guide disk arranged on the material guide component, the pressure feeding mechanism comprises a mounting plate arranged on the material guide component and placed on the inner side of the material guide disk, and a material pressing component arranged on the mounting plate and placed on the material guide disk; the material pressing component comprises an inner material pressing limit plate arranged on the mounting plate and placed on the inner side of the material guide disk, an outer material pressing limit plate arranged on the mounting plate and placed on the outer side of the material guide disk, and a material pressing sheet arranged on the mounting plate, placed between the inner material pressing limit plate and the outer material pressing limit plate, and having an arc-shaped bottom surface that fits the arc surface of the material guide disk.
[0005] A further technical solution of the utility model is that the surfaces of the inner limiting plate and the outer limiting plate of the material pressing material facing the material guide plate are in an inner step arc shape, and the front ends are provided with a feed inclined surface.
[0006] A further technical solution of the utility model is that the butting surfaces of the inner limiting plate of the material pressing material and the outer limiting plate of the material pressing material and the grinding wheel are in the form of arc surfaces.
[0007] A further technical solution of the utility model is that the inner limiting plate of the material pressing material and the outer limiting plate of the material pressing material have the same structure, and the main body is in an arc shape.
[0008] A further technical solution of the utility model is that the material pressing piece is semicircular and has a thickness less than or equal to the thickness of the material guiding disc.
[0009] A further technical solution of the utility model is: the material pressing mechanism also includes a fixing column which is arranged on the frame and placed at the bottom of the material guide plate for fixing the material pressing sheet.
[0010] The beneficial effects of the utility model are as follows: the feed pressing mechanism can realize the feed pressing of thin-sheet workpieces, specifically, the workpieces are stably pressed in the guide plate by the feed pressing sheet, which can meet the millimeter-level feed pressing of workpieces. In addition, the feed pressing mechanism has a simple structure, low cost and good feed pressing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a structural diagram of a precision grinding machine tool provided by an embodiment of the utility model;
[0012] Figure 2 The utility model is provided in an embodiment of a pressure feeding mechanism of a precision grinding machine tool. DETAILED DESCRIPTION
[0013] Figure numbers: 1-frame 2-material guide plate 3-grinding wheel assembly 4-grinding wheel 5-material guide assembly 6-feeding mechanism 7-mounting plate 8-feeding assembly 9-material pressing assembly 10-material pressing inner limit plate 11-material pressing outer limit plate 12-material pressing sheet 13-feeding inner limit plate 14-feeding outer limit plate 15-upper material guide plate 16-lower material guide plate 17-feeding port.
[0014] like Figure 1 As shown, the utility model provides a precision grinding machine tool, which includes a frame 1, a material guide assembly 5 arranged on the frame 1, a material guide disc 2 arranged on the material guide assembly 5, the material guide disc 2 is circular, and the material guide disc 2 is provided with a plurality of workpiece placement grooves for placing workpieces, a grinding wheel assembly 3 arranged on the frame 1 and placed on both sides of the material guide disc 2, a grinding wheel 4 is arranged on the grinding wheel assembly 3, and the grinding wheel assembly 3 can drive the grinding wheel 4 to rotate, and the control system can realize the adjustment of the rotation speed of the grinding wheel 4, and the feed amount of the grinding wheel 4 can be adjusted forward and backward, so as to grind the end surface of the workpiece on the material guide disc 2, A material guide assembly 5 for driving the material guide disc 2 to rotate is also provided on the frame 1. The material guide assembly 5 drives the material guide disc 2 to rotate to achieve uninterrupted workpiece end face grinding. A feeding assembly 8 is installed on the material guide assembly 5. The workpiece is introduced into the material guide disc 2 through the feeding assembly 8. In addition, a pressure feeding mechanism 6 is also installed on the material guide assembly 5. The pressure feeding mechanism 6 is docked with the feeding assembly 8, so that the workpiece enters the pressure feeding mechanism 6 from the feeding assembly 8, and then the material pouring assembly 5 drives the material guide disc 2 to rotate, and then the pressure feeding mechanism 6 is used to realize stable and rapid correction of the position of the workpiece on the material guide disc 2, so that the position of the workpiece meets the end face grinding.
[0015] like Figure 2 As shown, the material pressing mechanism 6 includes a mounting plate 7 arranged on the material guide component 5 and placed on the inner side of the material guide disk 2, and a material pressing component 9 arranged on the mounting plate 7 and placed on the material guide disk 2; the material pressing component 9 includes an inner material pressing limit plate 10 arranged on the mounting plate 7 and placed on the inner side of the material guide disk 2, an outer material pressing limit plate 11 arranged on the mounting plate 7 and placed on the outer side of the material guide disk 2, and a material pressing sheet 12 arranged on the mounting plate 7, placed between the inner material pressing limit plate 10 and the outer material pressing limit plate 11, and the bottom surface of which is in an arc shape and fits the arc surface of the material guide disk 2. The material pressing mechanism 6 is installed on the material guide component 5 on the inner side of the material guide disc 2 through the mounting plate 7, and the position of the workpiece is adjusted through the material pressing component 9, and the position of the workpiece is adjusted specifically through the cooperation of the inner material pressing limit plate 10 and the outer material pressing limit plate 11. The workpiece is limited on the material guide disc 2 by the material pressing piece 12 installed between the inner material pressing limit plate 10 and the outer material pressing limit plate 11. Since the material guide disc 2 is a circular structure, the material pressing piece 12 is made into an arc structure and fits with the arc surface of the material guide disc 2, so as to better press the workpiece on the material guide disc 2, so as to facilitate the end face grinding of the workpiece later. By using the pressing sheet 12 to press the workpiece, millimeter-level workpiece end face grinding can be achieved, because the pressing sheet 12 can be made into millimeter-level and its performance can be guaranteed. The pressing sheet 12 can be a metal part or a non-metal part. Metal parts such as steel materials, alloy materials, etc., non-metal parts such as glass fiber composite boards, bakelite, nylon, etc., as long as the materials can meet the sufficient pressing strength, they can be used. Since the thickness limitation of the pressing sheet 12 is relatively low, not only can the grinding of thin parts with a thickness of 1-10mm and a diameter of 2-30mm be achieved, but also the grinding of centimeter-level workpieces can be achieved.
[0016] The inner limit plate 10 and the outer limit plate 11 have the same structure and the main body is in an arc shape; the inner limit plate 10 and the outer limit plate 11 have an inner step arc shape on the surface opposite to the guide plate 2, and the front end has a feed slope (not shown in the figure); the inner limit plate 10 and the outer limit plate 11 have an arc surface on the surface opposite to the grinding wheel 4. The inner limit plate 10 and the outer limit plate 11 of the material pressure press are set to this structure because when the workpiece is ground, the length of the workpiece is slightly larger than the thickness of the guide disk 2. Therefore, the inner limit plate 10, the outer limit plate 11 and the opposite surface of the material guide disk 2 need to be set to an inner step arc shape to leave enough accommodating space for the workpiece to meet the grinding requirements of the workpiece, and the front end of the inner limit plate 10 and the outer limit plate 11 are provided with a feed slope in order to adjust the position of the workpiece to the optimal grinding position, and the inner limit plate 10, the outer limit plate 11 and the grinding wheel 4 have an arc surface to facilitate the connection with the grinding wheel 4 and effectively prevent the position of the workpiece from changing.
[0017] The pressing piece 12 is semicircular and its thickness is less than or equal to the thickness of the material guide disc 2. The pressing piece 12 is made into a semicircular shape so as to fit with the disc surface of the material guide disc 2 and better press the workpiece onto the material guide disc 2, and the thickness is less than or equal to the thickness of the material guide disc 2 so as not to hinder the grinding of the workpiece and ensure that the pressing piece 12 has sufficient pressing performance. When the thickness is less than the thickness of the material guide disc, the thickness slightly less than the thickness of the material guide disc 2 can be selected. Therefore, no matter what thickness of the pressing piece 12 is used, as long as it can ensure sufficient pressing performance.
[0018] The press-feeding mechanism 6 also includes a fixing column (not shown) disposed on the frame 1 and placed at the bottom of the guide plate 2 for fixing the press sheet 12. The fixing column is provided to fix the other end of the press sheet 12 so that the press sheet 12 can better press the workpiece onto the guide plate 2.
[0019] The feed assembly 8 includes an inner feed limit plate 13 arranged on the mounting plate 7 and placed on the inner side of the guide disk 2, an outer feed limit plate 14 arranged on the mounting plate 7 and placed on the outer side of the guide disk 2, and an upper guide plate 15 and a lower guide plate 16 arranged on the mounting plate 7 and placed on both sides between the inner feed limit plate 13 and the outer feed limit plate 14 to form a feed port 17, and the bottom surface of which is an arc-shaped structure and fits the arc surface of the guide disk 2. The feed assembly 8 is docked with the external loading assembly, and the loading assembly loads the workpiece to the feed port 17 of the feed assembly 8. The feed assembly 8 introduces the workpiece through the feed port 17, and limits the position of the workpiece in the feed assembly 8 through the inner feed limit plate 13 and the outer feed limit plate 14, so that the workpiece falls accurately onto the guide plate 2, and then the guide plate 2 drives the workpiece into the pressing assembly 9. The size of the feed port 17 can be controlled by the width and thickness of the upper guide plate 15 and the lower guide plate 16 to realize the loading of workpieces of different diameters and lengths.
[0020] The surfaces opposite to the guide plate 2 of the inner limit plate 13 and the outer limit plate 14 are in an inner step arc shape, and are the same as the arc surface of the guide plate 2; the inner limit plate 13 and the outer limit plate 14 have the same structure, and the bottom of the main body is in a circular arc shape; the front end of the bottom of the upper guide plate 15 is in a circular arc shape; the bottom surfaces of the upper guide plate 15 and the lower guide plate 16 are in an arc-shaped structure, and fit with the arc surface of the guide plate 2. The inner feed limit plate 13 and the outer feed limit plate 14 are set to this structure because the length of the workpiece is slightly larger than the thickness of the guide plate 2. Therefore, the inner feed limit plate 13, the outer feed limit plate 14 and the opposite surfaces of the guide plate 2 are set to an inner step arc shape to leave enough accommodating space for the workpiece to meet the needs of the workpiece entering the guide plate. The bottom of the main body is arc-shaped to cater to the guide plate 2, making the overall look more beautiful and coordinated. The front end of the bottom of the upper guide plate 15 is arc-shaped to prevent scratches on the workpiece.
[0021] This type of pressure feeding mechanism realizes the pressure feeding of thin-sheet workpieces. Specifically, the workpiece is stably pressed in the guide plate through the pressure sheet, which can meet the requirements of millimeter-level workpiece pressure feeding. In addition, this type of pressure feeding mechanism has a simple structure, low cost and good pressure feeding effect.
[0022] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A pressure feeding mechanism of a precision grinding machine tool, the precision grinding machine tool comprising a frame, a material guide assembly arranged on the frame, and a material guide plate arranged on the material guide assembly, characterized in that: The material pressing mechanism includes a mounting plate arranged on the material guide component and placed on the inner side of the material guide disk, and a material pressing component arranged on the mounting plate and placed on the material guide disk; the material pressing component includes an inner material pressing limit plate arranged on the mounting plate and placed on the inner side of the material guide disk, an outer material pressing limit plate arranged on the mounting plate and placed on the outer side of the material guide disk, and a material pressing sheet arranged on the mounting plate, placed between the inner material pressing limit plate and the outer material pressing limit plate, and having an arc-shaped bottom surface that fits the arc surface of the material guide disk.
2. The pressure feeding mechanism according to claim 1, characterized in that: The surfaces of the inner limiting plate and the outer limiting plate facing the material pressing plate are in an inner step arc shape, and the front ends of the plates have a feed slope.
3. The pressure feeding mechanism according to claim 2, characterized in that: The inner limiting plate of the material pressing material and the outer limiting plate of the material pressing material are in a curved surface with the grinding wheel.
4. The pressure feeding mechanism according to claim 3, characterized in that: The inner limiting plate of the material pressing material has the same structure as the outer limiting plate of the material pressing material, and the main body is in an arc shape.
5. The pressure feeding mechanism according to claim 4, characterized in that: The pressing sheet is semicircular and has a thickness less than or equal to the thickness of the material guide plate.
6. The pressure feeding mechanism according to claim 5, characterized in that: The press-feeding mechanism also includes a fixing column which is arranged on the frame and placed at the bottom of the guide plate and is used to fix the press-feeding sheet.