Skin grinding rod of R-angle grinding wheel

Abstract

The utility model relates to the technical field of R-angle grinding wheels, and discloses a skin grinding rod of an R-angle grinding wheel, which comprises a skin grinding rod and a mounting component, the skin grinding rod is mounted on the inner wall of the periphery of the mounting component, the mounting component comprises a lower sleeve block, an upper sleeve block is inserted on the inner wall of the top of the lower sleeve block, chutes are obliquely formed in the inner walls of the two sides of the upper sleeve block, and the upper sleeve block is inserted into the chutes. Annular tooth grooves are formed in the outer wall of the periphery of the top of the lower sleeve block, ball spring pins are slidably connected to the inner walls of the sliding grooves, and balls at the bottom ends of the ball spring pins abut against the interiors of two tooth grooves of the annular tooth grooves. Through the arrangement of the ball spring pin, the upper sleeve block and the lower sleeve block, the ball can be separated from the current tooth groove and slide into the adjacent tooth groove, small-angle adjustment between the upper sleeve block and the lower sleeve block is achieved, the bottom end of the ball spring pin is clamped into the annular tooth groove, mechanical limiting is formed between the upper sleeve block and the lower sleeve block, and when external force such as rotation and vibration is borne, loosening and displacement of components can be effectively prevented; and the overall structural stability of the grinding wheel skin grinding rod is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of R-angle grinding wheel technology, specifically to a grinding rod for an R-angle grinding wheel. Background Technology

[0002] Grinding wheels, also known as grinding heads, are a general term for small, shanked grinding tools used in machines such as electric grinders, pendulum grinders, electric drills, and CNC precision machining equipment. There are many types of grinding wheels, made from different materials to suit different functions and effects. These include ceramic grinding wheels, rubber grinding wheels, diamond grinding wheels, and abrasive cloth grinding wheels. Because grinding wheels are widely used in various machines, their shapes are also designed to meet different needs, such as cylindrical grinding wheels, arc-shaped grinding wheels, hemispherical grinding wheels, spherical grinding wheels, conical grinding wheels, and bullet-shaped grinding wheels.

[0003] Application number CN202222358180.3 discloses a grinding wheel bar with enhanced grinding force, comprising a base and a head; the base extends front to back; the head is fixedly disposed on the front end face of the base, and the front end face of the head is the machining surface; the head is characterized in that it includes a diamond grinding layer and a molybdenum disulfide coating for lubrication, the molybdenum disulfide coating covering the periphery of the diamond grinding layer, and the front end face of the diamond grinding layer has a recessed slot for enhancing grinding force, the slot extending front to back. By providing a slot in the diamond grinding layer, the grinding force of the grinding wheel bar is enhanced. Combined with the molybdenum disulfide coating for lubrication on the periphery of the diamond grinding layer, the grinding wheel bar can operate more smoothly during grinding, resulting in better grinding performance and ensuring the quality of grinding. Furthermore, this grinding wheel bar is more durable, greatly extending its service life, and can ensure the precision dimensions and machining yield of products, bringing convenience to production and meeting current needs.

[0004] The grinding wheel is designed for fixed installation. Grinding vibration can easily cause stress concentration at the connection points. Long-term use can lead to loose bolts and cracked welds, causing the grinding head to shift or even fall off, posing a safety hazard. Furthermore, once the fixed grinding head angle is assembled, it cannot be (or is difficult to) adjust. When faced with complex curved surfaces (such as multi-curvature R-angles and irregular contours), it cannot adapt to different processing angle requirements. Utility Model Content

[0005] The purpose of this invention is to provide a grinding rod for an R-angle grinding wheel, which solves the problem of not being able to adapt to different processing angle requirements.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a grinding rod for an R-angle grinding wheel, comprising a grinding rod and a mounting assembly. The grinding rod is mounted on the inner walls of the mounting assembly. The mounting assembly includes a lower sleeve block, an upper sleeve block inserted into the top inner wall of the lower sleeve block, and inclined sliding grooves on the inner walls of both sides of the upper sleeve block. Annular toothed grooves are formed on the outer walls of the top of the lower sleeve block. A ball spring pin is slidably connected to the inner wall of the sliding groove, with the bottom ball of the ball spring pin abutting against two of the toothed grooves of the annular toothed groove.

[0008] The purpose of this setup is that, during the use of the abrasive rod, the abrasive rod is installed on the inner wall of the mounting assembly to form the foundation of the overall structure. The upper sleeve block is inserted into the inner wall of the top of the lower sleeve block, and the two form a nested structure. The top of the lower sleeve block has an annular toothed groove, and the inner walls on both sides of the upper sleeve block are inclined to open sliding grooves. The ball spring pin slides in the sliding groove, and its bottom ball is engaged in the two teeth of the annular toothed groove, so as to achieve angular limiting and initial connection locking between the upper and lower sleeve blocks.

[0009] First, insert the mounting block into the mounting slot of the mounting base to fix the abrasive rod in the longitudinal position of the base;

[0010] The bottom end of the lower sleeve block is inserted into the middle slot, the top of the upper sleeve block is inserted into the lower sleeve block, and the bottom end of the upper sleeve block extends into the inner slot to complete the assembly of the installation components and the base.

[0011] The linkage shaft is inserted into the upper sleeve block limiting groove, the ball spring pin is in the slide groove, the bottom end is inserted into the lower sleeve block annular tooth groove, and the spiral groove grinding head is rotatably connected to the top of the linkage shaft to complete the overall assembly.

[0012] During grinding, the spiral groove grinding head contacts the workpiece, and its rotation achieves grinding processes such as radius (R) angles. The linkage shaft rotates with the grinding head; its contact with the ball spring pin, combined with the pin's engagement / sliding within the annular toothed groove, allows for adjustments such as changing the grinding angle, addressing different grinding resistances, and restricting or releasing rotational freedom as needed, ensuring grinding stability and adaptability. The mounting assembly is securely connected to the base via multiple slots, providing reliable support during the grinding process and preventing vibration from affecting machining accuracy.

[0013] The bottom end of the ball spring pin is inserted into the annular tooth groove, which forms a mechanical limit between the upper and lower sleeve blocks. Compared with simple nesting or threaded connection, it can effectively prevent the parts from loosening or shifting when subjected to external forces such as rotation and vibration, ensuring the overall structural stability of the grinding wheel and grinding rod, and improving the consistency of precision during grinding.

[0014] The ball spring pin can slide in the groove. When the grinding angle needs to be adjusted, such as to deal with complex R-angle curved surfaces, different workpiece postures, or when the rotational freedom needs to be finely adjusted due to changes in grinding resistance, the ball can disengage from the current tooth groove and slide into the adjacent tooth groove to achieve small angle adjustment between the upper and lower sleeves. This allows the spiral groove grinding head to adapt to more processing scenarios and enhances the compatibility of the grinding wheel with different R-angle grinding requirements.

[0015] Furthermore, a limiting receiving groove is provided in the middle of the upper sleeve block, and the limiting receiving groove communicates with the sliding groove cavities on both sides.

[0016] The purpose of this design is to provide a limiting and receiving groove in the middle of the upper sleeve during the use of the abrasive rod. This groove is connected to the inner cavity of the sliding grooves on both sides, providing a spatial channel for the installation and movement of subsequent linkage shaft components and other parts, so that the ball spring pin in the sliding groove can interact with the components in the limiting and receiving groove.

[0017] Furthermore, a linkage shaft is inserted into the top inner wall of the limiting receiving groove, and the top ends of the ball spring pins on both sides abut against the outer walls of the linkage shaft on both sides.

[0018] The purpose of this design is that, during the use of the abrasive rod, the linkage shaft is inserted into the inner wall of the top of the limiting receiving groove, and the tops of the ball spring pins on both sides abut against the outer walls of the linkage shaft. When the linkage shaft rotates or is subjected to external force, the abutment relationship can drive the ball spring pins to slide in the groove. Conversely, changes in the position of the ball spring pins, such as engaging / disengaging from the tooth groove, can also restrict the rotational freedom of the linkage shaft.

[0019] Furthermore, a spiral groove grinding head is rotatably connected to the top of the linkage shaft component, a mounting block is provided at the bottom of the linkage shaft component, and a mounting base is provided directly below the lower sleeve block.

[0020] The purpose of this design is that, during the use of the abrasive bar, the top of the linkage shaft is connected to the spiral groove grinding head, allowing the grinding head to rotate relative to the shaft to adapt to different grinding angles; the bottom is equipped with a mounting block for association with the mounting base; the mounting base is located directly below the lower sleeve block, serving as the basic support and mounting carrier for the entire abrasive bar.

[0021] Furthermore, the mounting base has a mounting slot in the middle, and the mounting base has a central slot and an inner slot on the top inner wall around the mounting slot.

[0022] The purpose of this design is to provide a mounting slot in the middle of the base during the use of the abrasive rod, and to provide a central slot and an inner slot on the top inner wall around the base, so as to provide layered and regional mounting positions for components such as the lower sleeve block and the upper sleeve block, and to standardize the assembly position of each component.

[0023] Furthermore, the mounting block is fixedly inserted into the inner wall of the mounting slot, the bottom end of the lower sleeve block is fixedly inserted into the inner wall of the middle slot, and the bottom end of the upper sleeve block extends downward through the lower sleeve block and is fixedly engaged with the inner wall of the inner slot.

[0024] The purpose of this design is to allow the mounting blocks to be fixedly inserted into the mounting slots, achieving a longitudinal connection between the abrasive rod and the mounting base; the bottom end of the lower sleeve block is inserted into the middle slot, and the bottom end of the upper sleeve block extends downward through the lower sleeve block and is then inserted into the inner slot, completing the internal assembly of the mounting components and the complete assembly with the base, so that all components form a stable overall structure.

[0025] This utility model has the following beneficial effects:

[0026] (1) By setting up a ball spring pin, an upper sleeve block and a lower sleeve block, the ball can disengage from the current tooth groove and slide into the adjacent tooth groove, so as to realize small angle adjustment between the upper and lower sleeve blocks. The bottom end of the ball spring pin is inserted into the annular tooth groove, so that a mechanical limit is formed between the upper sleeve block and the lower sleeve block. Compared with simple nesting or threaded connection, it can effectively prevent the parts from loosening or displacing when subjected to external forces such as rotation and vibration, ensure the overall structural stability of the grinding wheel and the grinding rod, and improve the accuracy consistency during grinding.

[0027] (2) This utility model is designed with a spiral groove grinding head and a mounting base. The top of the linkage shaft is rotatably connected to the spiral groove grinding head, so that the grinding head can rotate relative to the shaft to adapt to different grinding angles. A mounting block is provided at the bottom for association with the mounting base. The mounting base is located directly below the lower sleeve block and serves as the basic support and mounting carrier for the entire grinding wheel and abrasive rod.

[0028] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0029] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0031] Figure 2 This is a schematic diagram of the abrasion rod and mounting base of this utility model;

[0032] Figure 3 This is a schematic diagram of the upper and lower sleeve blocks of this utility model;

[0033] Figure 4This is a partial cross-sectional schematic diagram of the internal structure of this utility model;

[0034] Figure 5 This is a schematic diagram of the internal structure of the main body of this utility model in cross-section;

[0035] The attached diagram lists the components represented by each number as follows:

[0036] In the diagram: 1. Abrasive rod; 101. Spiral groove grinding head; 102. Linkage shaft; 103. Mounting block; 2. Mounting assembly; 201. Mounting base; 202. Middle slot; 203. Inner slot; 204. Mounting slot; 205. Lower sleeve block; 206. Annular toothed groove; 207. Ball spring pin; 208. Upper sleeve block; 209. Slide groove; 210. Limiting and receiving groove. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] Please see Figures 1-5 As shown, this utility model is a grinding rod for an R-angle grinding wheel, including a grinding rod 1 and a mounting assembly 2. The grinding rod 1 is mounted on the inner walls of the mounting assembly 2. The mounting assembly 2 includes a lower sleeve block 205, an upper sleeve block 208 is inserted into the top inner wall of the lower sleeve block 205, and sliding grooves 209 are obliquely formed on the inner walls of both sides of the upper sleeve block 208. Annular toothed grooves 206 are formed on the outer walls of the top of the lower sleeve block 205. A ball spring pin 207 is slidably connected to the inner wall of the sliding groove 209, and the bottom ball of the ball spring pin 207 abuts against two of the toothed grooves of the annular toothed groove 206.

[0039] The purpose of this setup is that, during the use of the abrasive rod 1, the abrasive rod 1 is installed on the inner walls of the mounting component 2 to form the foundation of the overall structure. The upper sleeve block 208 is inserted into the top inner wall of the lower sleeve block 205, and the two form a nested structure. The top of the lower sleeve block 205 has an annular toothed groove 206, and the inner walls on both sides of the upper sleeve block 208 are inclined to open sliding grooves 209. The ball spring pin 207 slides in the sliding groove 209, and its bottom ball is engaged in the two teeth of the annular toothed groove 206, so as to realize the angle limit and initial connection locking between the upper and lower sleeve blocks.

[0040] First, insert the mounting block 103 into the mounting slot 204 of the mounting base 201 to fix the abrasive rod 1 in the longitudinal position of the base;

[0041] The bottom end of the lower sleeve block 205 is inserted into the middle slot 202, the upper sleeve block 208 is inserted into the top of the lower sleeve block 205, and the bottom end of the upper sleeve block 208 extends into the inner slot 203, thus completing the assembly of the installation component 2 and the base.

[0042] The linkage shaft 102 is inserted into the upper sleeve block 208 limiting receiving groove 210, the ball spring pin 207 is in the slide groove 209, and the bottom end is inserted into the annular tooth groove 206 of the lower sleeve block 205. The spiral groove grinding head 101 is rotatably connected to the top of the linkage shaft 102 to complete the overall assembly.

[0043] During grinding, the spiral groove grinding head 101 contacts the workpiece and performs grinding operations such as R-angle by rotating. The linkage shaft 102 rotates with the grinding head. Its contact with the ball spring pin 207, combined with the engagement / sliding of the ball spring pin in the annular tooth groove 206, allows for adjustments to the grinding angle, responses to different grinding resistances, and restriction or release of rotational freedom when needed, ensuring grinding stability and adaptability. The mounting component 2 is securely connected to the base through multiple slots, providing reliable support for the grinding process and preventing vibration from affecting machining accuracy.

[0044] The bottom end of the ball spring pin 207 is inserted into the annular tooth groove 206, so that the upper sleeve block 208 and the lower sleeve block 205 form a mechanical limit. Compared with simple nesting or threaded connection, it can effectively prevent the parts from loosening or displacing when subjected to external forces such as rotation and vibration, ensure the overall structural stability of the grinding wheel and grinding rod, and improve the consistency of precision during grinding.

[0045] The ball spring pin can slide within the groove 209. When it is necessary to adjust the grinding angle, such as to deal with complex R-angle curved surfaces, different workpiece postures, or to finely adjust the rotational degree of freedom due to changes in grinding resistance, the ball can disengage from the current tooth groove and slide into the adjacent tooth groove to achieve small angle adjustment between the upper and lower sleeves. This allows the spiral groove grinding head 101 to adapt to more processing scenarios and enhances the compatibility of the grinding wheel with different R-angle grinding requirements.

[0046] A limiting receiving groove 210 is provided in the middle of the upper sleeve block 208, and the limiting receiving groove 210 communicates with the cavity of the sliding grooves 209 on both sides.

[0047] The purpose of this design is that, during the use of the abrasive rod 1, a limiting and receiving groove 210 is opened in the middle of the upper sleeve block 208. This groove is connected to the inner cavity of the sliding grooves 209 on both sides, providing a spatial channel for the installation and movement association of subsequent components such as the linkage shaft 102, so that the ball spring pin in the sliding groove can interact with the components in the limiting and receiving groove.

[0048] A linkage shaft 102 is inserted into the top inner wall of the limiting receiving groove 210, and the top ends of the ball spring pins 207 on both sides abut against the outer walls of the linkage shaft 102.

[0049] The purpose of this arrangement is that, during the use of the abrasive rod 1, the linkage shaft 102 is inserted into the inner top wall of the limiting receiving groove 210, and the top ends of the ball spring pins 207 on both sides abut against the outer walls of the linkage shaft 102. When the linkage shaft 102 rotates or is subjected to external force, it can drive the ball spring pins to slide in the groove through the abutment relationship. Conversely, changes in the position of the ball spring pins, such as being engaged / disengaged from the tooth groove, can also restrict the rotational freedom of the linkage shaft.

[0050] The top end of the linkage shaft 102 is rotatably connected to a spiral groove grinding head 101, the bottom end of the linkage shaft 102 is provided with a mounting block 103, and the lower sleeve block 205 is provided with a mounting base 201 directly below it.

[0051] The purpose of this design is that, during the use of the abrasive rod 1, the top of the linkage shaft 102 is rotatably connected to the spiral groove grinding head 101, so that the grinding head can rotate relative to the shaft to adapt to different grinding angles; the bottom is provided with a mounting block 103 for association with the mounting base 201; the mounting base 201 is located directly below the lower sleeve block 205, serving as the basic support and mounting carrier for the entire abrasive rod.

[0052] The mounting base 201 has a mounting slot 204 in the middle, and the mounting base 201 has a middle slot 202 and an inner slot 203 on the top inner wall around the mounting slot 204.

[0053] The purpose of this design is that, during the use of the abrasive rod 1, the mounting base 201 has a mounting slot 204 in the middle, and the inner walls of its top are provided with a central slot 202 and an inner slot 203, respectively, to provide layered and regional mounting positions for components such as the lower sleeve block 205 and the upper sleeve block 208, and to standardize the assembly position of each component.

[0054] The mounting block 103 is fixedly inserted into the inner wall of the mounting slot 204, the bottom end of the lower sleeve block 205 is fixedly inserted into the inner wall of the middle slot 202, and the bottom end of the upper sleeve block 208 extends downward through the lower sleeve block 205 and is fixedly engaged with the inner wall of the inner slot 203.

[0055] The purpose of this arrangement is to fix the mounting block 103 into the mounting slot 204 to achieve a longitudinal connection between the abrasive rod 1 and the mounting base 201; the bottom end of the lower sleeve block 205 is inserted into the middle slot 202, and the bottom end of the upper sleeve block 208 extends downward through the lower sleeve block 205 and is then inserted into the inner slot 203, thus completing the internal assembly of the mounting component 2 and its complete assembly with the base, so that each component forms a stable overall structure.

[0056] When in use, first insert the mounting block 103 into the mounting slot 204 of the mounting base 201 to fix the abrasive rod 1 in the longitudinal position of the base;

[0057] The bottom end of the lower sleeve block 205 is inserted into the middle slot 202, the upper sleeve block 208 is inserted into the top of the lower sleeve block 205, and the bottom end of the upper sleeve block 208 extends into the inner slot 203, thus completing the assembly of the installation component 2 and the base.

[0058] The linkage shaft 102 is inserted into the upper sleeve block 208 limiting receiving groove 210, the ball spring pin 207 is in the slide groove 209, and the bottom end is inserted into the annular tooth groove 206 of the lower sleeve block 205. The spiral groove grinding head 101 is rotatably connected to the top of the linkage shaft 102 to complete the overall assembly.

[0059] During grinding, the spiral groove grinding head 101 contacts the workpiece and performs grinding operations such as R-angle by rotating. The linkage shaft 102 rotates with the grinding head. Its contact with the ball spring pin 207, combined with the engagement / sliding of the ball spring pin in the annular tooth groove 206, allows for adjustments to the grinding angle, responses to different grinding resistances, and restriction or release of rotational freedom when needed, ensuring grinding stability and adaptability. The mounting component 2 is securely connected to the base through multiple slots, providing reliable support for the grinding process and preventing vibration from affecting machining accuracy.

[0060] The bottom end of the ball spring pin 207 is inserted into the annular tooth groove 206, so that the upper sleeve block 208 and the lower sleeve block 205 form a mechanical limit. Compared with simple nesting or threaded connection, it can effectively prevent the parts from loosening or displacing when subjected to external forces such as rotation and vibration, ensure the overall structural stability of the grinding wheel and grinding rod, and improve the consistency of precision during grinding.

[0061] The ball spring pin can slide within the groove 209. When it is necessary to adjust the grinding angle, such as to deal with complex R-angle curved surfaces, different workpiece postures, or to finely adjust the rotational degree of freedom due to changes in grinding resistance, the ball can disengage from the current tooth groove and slide into the adjacent tooth groove to achieve small angle adjustment between the upper and lower sleeves. This allows the spiral groove grinding head 101 to adapt to more processing scenarios and enhances the compatibility of the grinding wheel with different R-angle grinding requirements.

[0062] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A grinding rod for an R-angle grinding wheel, comprising a grinding rod (1) and a mounting assembly (2), characterized in that: The abrasive rod (1) is installed on the inner wall of the mounting assembly (2). The mounting assembly (2) includes a lower sleeve block (205). An upper sleeve block (208) is inserted into the top inner wall of the lower sleeve block (205). Sliding grooves (209) are obliquely opened on the inner walls of both sides of the upper sleeve block (208). Annular toothed grooves (206) are opened on the outer wall of the top of the lower sleeve block (205). A ball spring pin (207) is slidably connected to the inner wall of the sliding groove (209). The ball at the bottom end of the ball spring pin (207) abuts against two of the toothed grooves of the annular toothed groove (206).

2. The abrasive rod of an R-angle grinding wheel according to claim 1, characterized in that: The upper sleeve block (208) has a limiting receiving groove (210) in the middle, and the limiting receiving groove (210) communicates with the cavity of the sliding grooves (209) on both sides.

3. The abrasive rod of an R-angle grinding wheel according to claim 2, characterized in that: A linkage shaft (102) is inserted into the top inner wall of the limiting receiving groove (210), and the top ends of the ball spring pins (207) on both sides abut against the outer walls of the linkage shaft (102) on both sides.

4. The abrasive rod of an R-angle grinding wheel according to claim 3, characterized in that: The top end of the linkage shaft (102) is rotatably connected to a spiral groove grinding head (101), the bottom end of the linkage shaft (102) is provided with a mounting block (103), and the lower sleeve block (205) is provided with a mounting base (201) directly below it.

5. The abrasive rod of an R-angle grinding wheel according to claim 4, characterized in that: The mounting base (201) has a mounting slot (204) in the middle, and the mounting base (201) has a central slot (202) and an inner slot (203) on the top inner wall around the mounting slot (204).

6. The abrasive rod of an R-angle grinding wheel according to claim 5, characterized in that: The mounting block (103) is fixedly inserted into the inner wall of the mounting slot (204), the bottom end of the lower sleeve block (205) is fixedly inserted into the inner wall of the middle slot (202), and the bottom end of the upper sleeve block (208) extends downward through the lower sleeve block (205) and is fixedly engaged with the inner wall of the inner slot (203).

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