Diamond tool bit polishing tool

Abstract

The utility model provides a diamond tool bit polishing tool, which belongs to the technical field of diamond tool bit processing and comprises a workbench, a mounting rack, a grinding wheel and a positioning component, the mounting rack is positioned on the workbench, and the grinding wheel is rotatably mounted on the mounting rack; the positioning assembly comprises a positioning frame arranged on the workbench and a tool bit bearing plate arranged on the positioning frame, the tool bit bearing plate and the working side of the grinding wheel are oppositely arranged, and a construction gap is reserved between the tool bit bearing plate and the working side of the grinding wheel. According to the diamond tool bit polishing tool, the positioning assembly is additionally arranged on the workbench when the diamond tool bit is machined, a worker places the diamond tool bit on the upper end face of the tool bit bearing plate in an attached mode during polishing, and the diamond tool bit on the tool bit bearing plate rotates along with the positioning frame to form an arc-shaped moving track; the diamond tool bit is ground and formed by the grinding wheel when passing through the grinding wheel, the grinding precision is improved, the matching degree of the diamond tool bit and the saw blade base body is guaranteed, and the production efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of diamond tool processing technology, and more specifically, it relates to a diamond tool grinding fixture. Background Technology

[0002] Diamond saw blades are commonly used in cutting operations. A diamond saw blade consists of a sintered diamond block welded to the saw blade substrate. To improve welding strength and precision, the welded arc surface of the diamond cutter head must be in close contact with the arc surface of the saw blade substrate. This requires machining of the diamond cutter head before welding, primarily to remove rust and sanding marks, and to improve the fit between the diamond cutter head and the saw blade substrate. Currently, polishing diamond cutter heads is mainly done manually on an arc grinder. This manual polishing method is not only labor-intensive and inefficient, but also cannot guarantee precision. Utility Model Content

[0003] The purpose of this invention is to provide a diamond tool grinding fixture, which aims to solve the problem of the inability to guarantee the grinding accuracy of diamond tools.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a diamond tool grinding fixture is provided, including a worktable, a mounting frame, a grinding wheel, and a positioning component. The mounting frame is located on the worktable, and the grinding wheel is rotatably mounted on the mounting frame. The positioning component includes a positioning frame rotatably mounted on the worktable and a tool head support plate mounted on the positioning frame. The tool head support plate is arranged opposite to the working side of the grinding wheel and has a construction gap.

[0005] In another embodiment of this application, the positioning frame includes a transverse rod and a longitudinal rod. The transverse rod is parallel to the worktable and connected to the worktable by means of a rotating assembly. The transverse rod is located below the grinding wheel. The longitudinal rod is connected to the transverse rod and is located on the working side of the grinding wheel. The longitudinal rod extends upward, and the cutter head support plate is installed on the upper part of the longitudinal rod.

[0006] In another embodiment of this application, the upper end of the longitudinal rod is provided with a horizontal through hole and a vertical through hole, and the lower end of the through hole extends to the through hole;

[0007] The cutter head support plate includes a plate body and a connecting rod, the connecting rod horizontally penetrating the through hole; the plate body is located on the side of the longitudinal rod facing the grinding wheel;

[0008] The upper end of the longitudinal rod is connected to a set screw, which is located inside the through hole, and the lower end of the set screw abuts against the connecting rod.

[0009] In another embodiment of this application, the cross-section of the connecting rod is circular or rectangular.

[0010] In another embodiment of this application, the transverse bar has a plurality of hinge positions for connecting the rotating assembly, and the plurality of hinge positions are spaced apart along the length direction of the transverse bar; the plurality of hinge positions are switched to adapt to various diameter values ​​of the inner arc surface of the diamond cutter head.

[0011] In another embodiment of this application, the rotating component is slidably engaged with the worktable.

[0012] In another embodiment of this application, the worktable also has an adjustment assembly, which includes a positioning sleeve, a moving rod, and a driving rod. The positioning sleeve is fixed on the worktable, and the axial direction of the positioning sleeve is parallel to the grinding wheel. The moving rod passes through the positioning sleeve and is slidably engaged with the positioning sleeve. The rotating assembly is connected to the end of the moving rod. The driving rod is rotatably engaged with the worktable, and the end of the driving rod is threadedly connected to the end of the moving rod away from the rotating assembly. The driving rod rotates to drive the moving rod to slide.

[0013] In another embodiment of this application, the positioning sleeve has a limiting member; the side wall of the moving rod is provided with a guide hole, the guide hole is an elongated hole along the length direction, and the free end of the limiting member extends into the guide hole and slides in cooperation with the guide hole.

[0014] In another embodiment of this application, the positioning sleeve also has a positioning element that penetrates the positioning sleeve and abuts against the outer side wall of the moving rod.

[0015] In another embodiment of this application, the end of the drive rod has a handle.

[0016] The beneficial effects of the diamond cutting tool grinding fixture provided by this utility model are as follows: Compared with the prior art, the diamond cutting tool grinding fixture of this utility model adds a positioning component to the worktable when processing diamond cutting tools. During grinding, the worker places the diamond cutting tool against the upper surface of the cutting tool support plate. The diamond cutting tool on the cutting tool support plate forms an arc-shaped movement trajectory as the positioning frame rotates, so that the diamond cutting tool is ground into shape by the grinding wheel when passing through it, which improves the grinding accuracy, ensures the fit between the diamond cutting tool and the saw blade base, and improves production efficiency. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art 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.

[0018] Figure 1 A schematic diagram of the structure of the diamond tool grinding fixture provided in this embodiment of the utility model;

[0019] Figure 2 A schematic diagram of the structure of the movable rod provided in an embodiment of this utility model;

[0020] Figure 3 A schematic diagram of the connection between the moving rod and the positioning sleeve provided in an embodiment of this utility model;

[0021] Figure 4 This is a schematic diagram showing the connection between the cutter head support plate and the longitudinal rod provided in an embodiment of the present utility model;

[0022] Figure 5 This is a top view of the cutter head support plate provided in an embodiment of the present utility model.

[0023] In the diagram: 1. Workbench; 2. Positioning sleeve; 3. Mounting bracket; 4. Moving rod; 5. Lower rotating sleeve; 6. Positioning frame; 7. Upper rotating sleeve; 8. Hinge joint; 9. Limiting component; 10. Motor; 11. Positioning component; 12. Scrap box; 13. Grinding wheel; 14. Diamond cutter head; 15. Plate; 16. Connecting rod; 17. Set screw; 18. Negative pressure pipe; 19. Guide hole; 20. Drive rod. Detailed Implementation

[0024] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] Please see Figures 1 to 5 The diamond tool grinding fixture provided by this utility model will now be described. The diamond tool grinding fixture includes a worktable 1, a mounting frame 3, a grinding wheel 13, and a positioning component. The mounting frame 3 is located on the worktable 1, and the grinding wheel 13 is rotatably mounted on the mounting frame 3. The positioning component includes a positioning frame 6 rotatably mounted on the worktable 1 and a tool head support plate mounted on the positioning frame 6. The tool head support plate is arranged opposite to the working side of the grinding wheel 13 and a construction gap is left.

[0026] Compared with the prior art, the diamond cutting head grinding fixture provided by this utility model adds a positioning component to the worktable 1 when processing the diamond cutting head 14. During grinding, the worker places the diamond cutting head 14 against the upper end face of the cutting head support plate. The diamond cutting head 14 on the cutting head support plate rotates with the positioning frame 6 to form an arc-shaped movement trajectory, so that the diamond cutting head 14 is ground into shape by the grinding wheel 13 when passing through the grinding wheel 13, which improves the grinding accuracy, ensures the fit between the diamond cutting head 14 and the saw blade base, and improves production efficiency.

[0027] Optionally, the rotation point of the positioning component is the same as the radius of the grinding surface of the diamond cutter head 14, with the length of the working side of the grinding wheel 13 being equal to the radius of the grinding surface of the diamond cutter head 14. The center of the grinding wheel 13 is flush with the center of the diamond cutter head 14 located on the cutter head support plate.

[0028] Optionally, the diamond cutting head 14 is placed on the cutting head support plate, with both sides of the diamond cutting head 14 flush with the two sides of the cutting head support plate along its length, and the outer end of the diamond cutting head 14 flush with the outer end of the cutting head support plate. Alternatively, a stop block is provided at the end of the cutting head support plate away from the grinding wheel 13, so that the outer end of the diamond cutting head 14 abuts against the stop block.

[0029] The grinding wheel 13 is mounted on a mounting bracket 3 on the worktable 1 via a rotating shaft. A synchronously rotating pulley is also fitted onto the rotating shaft of the grinding wheel 13. A motor 10 is mounted on the worktable 1, and the motor 10 is connected to the pulley via a belt to drive the grinding wheel 13 to rotate.

[0030] The axial direction of the grinding wheel 13 is aligned with the width direction of the worktable 1. The lower end of the working side of the grinding wheel 13 also has a waste box 12 and a negative pressure pipe 18. The negative pressure pipe 18 is connected to the open waste box 12 and is used to collect the debris that falls off during grinding.

[0031] In some possible embodiments, please refer to Figure 1 The positioning frame 6 includes a transverse rod and a longitudinal rod. The transverse rod is parallel to the worktable 1 and connected to the worktable 1 by means of a rotating assembly. The transverse rod is located below the grinding wheel 13. The longitudinal rod is connected to the transverse rod and is located on the working side of the grinding wheel 13. The longitudinal rod extends upward and the cutter head support plate is installed on the upper part of the longitudinal rod.

[0032] The positioning frame 6 has an L-shaped structure. A rotating assembly is located on the upper surface of the worktable 1. The horizontal rod of the positioning frame 6 is horizontally positioned and connected to the rotating assembly, allowing it to rotate horizontally. The horizontal rod is perpendicularly connected to the longitudinal rod; as the horizontal rod rotates, the longitudinal rod also rotates, causing the cutter head support plate to rotate synchronously.

[0033] Specifically, the upper end of the longitudinal rod has a horizontal through hole and a vertical through hole, and the lower end of the through hole extends to the through hole; the cutter head support plate includes a plate body 15 and a connecting rod 16, with the connecting rod 16 horizontally passing through the through hole; the plate body 15 is located on the side of the longitudinal rod facing the grinding wheel 13; the upper end of the longitudinal rod is connected to a set screw 17, which is located in the through hole, and the lower end of the set screw 17 abuts against the connecting rod 16.

[0034] The connecting rod 16 extends into the through hole, and the upper end of the connecting rod 16 is pressed against the upper end of the connecting rod 16 by the set screw 17 at the upper end, and the connecting rod 16 is pressed against the lower end face of the through hole. The connecting rod 16 moves along its length to adjust the construction gap between the plate 15 and the grinding wheel 13. The plate 15 and the connecting rod 16 can be welded together for fixation.

[0035] Set screw 17 is threaded into the through hole at the upper end of the longitudinal rod. Set screw 17 can be made of bolt.

[0036] The connecting rod 16 has a circular or rectangular cross-section, and the corresponding through hole can also be circular or rectangular. The rectangular cross-section of the connecting rod 16, when fitted with a rectangular through hole, prevents the connecting rod 16 from rotating within the through hole.

[0037] In some possible embodiments, please refer to Figure 1 The transverse bar has multiple hinge positions 8 for connecting rotating components, and the multiple hinge positions 8 are spaced apart along the length direction of the transverse bar; the multiple hinge positions 8 can be switched to adapt to multiple diameter values ​​of the inner arc surface of the diamond cutter head 14.

[0038] The hinge 8 is connected to the rotating assembly. Multiple hinges 8 can be switched to adjust the diameter of the inner arc of the diamond cutter head 14, adapting to the grinding of diamond cutter heads 14 with different inner diameters.

[0039] Specifically, hinge position 8 can be arranged by marking dimensions on the transverse bar.

[0040] In some possible embodiments, please refer to Figure 1 The rotating assembly slides into the worktable 1. The sliding direction of the rotating assembly is along the length of the worktable 1, and the movement of the rotating assembly adjusts the tool head support plate to the center of the trajectory.

[0041] In some possible embodiments, please refer to Figures 1 to 3 The worktable 1 also has an adjustment assembly, which includes a positioning sleeve 2, a moving rod 4, and a drive rod 20. The positioning sleeve 2 is fixed on the worktable 1, and the axis of the positioning sleeve 2 is parallel to the grinding wheel 13. The moving rod 4 passes through the positioning sleeve 2 and is slidably engaged with the positioning sleeve 2. The rotating assembly is connected to the end of the moving rod 4. The drive rod 20 is rotatably engaged with the worktable 1, and the end of the drive rod 20 is threadedly connected to the end of the moving rod 4 away from the rotating assembly. The drive rod 20 rotates to drive the moving rod 4 to slide.

[0042] The rotating assembly includes an upper rotating sleeve 7, a lower rotating sleeve 5, and a bearing component. The lower rotating sleeve 5 is connected to the moving rod 4 and has a rotating cavity inside, where the bearing component is installed. The upper rotating sleeve 7 has a transverse mounting hole that allows the transverse rod to pass through. A tightening bolt is located at the top of the upper rotating sleeve 7, extending longitudinally through the top of the upper rotating sleeve 7 and abutting against the upper end of the transverse rod for positioning. An extension, cylindrical in shape, extends into the rotating cavity and connects with the bearing component within the cavity. Under the action of the bearing component, the upper rotating sleeve 7 and the lower rotating sleeve 5 rotate in conjunction.

[0043] The length direction of the adjustment component on the worktable 1 is consistent with the length direction of the worktable 1. The positioning sleeve 2 of the adjustment component is fixedly installed on the worktable 1 along the length direction of the worktable 1. The moving rod 4 passes through the positioning sleeve 2 and slides with the positioning sleeve 2. The end of the moving rod 4 is connected to the rotating component and drives the rotating component to move on the worktable 1.

[0044] The movable rod 4 is a hollow rod. One end of the movable rod 4 is connected to the rotating assembly, and the other end of the movable rod 4 is threaded into the drive rod 20.

[0045] The drive rod 20 passes through the fixed sleeve on the worktable 1 and extends into the movable rod 4. The drive rod 20 is rotatably engaged with the fixed sleeve, and the end of the drive rod 20 connected to the movable rod 4 has an external thread section. The drive rod 20 and the movable rod 4 form a lead screw structure, and when the drive rod 20 rotates, it drives the movable rod 4 to move relative to the worktable 1. The end of the drive rod 20 has a handle for easy manual adjustment of the rotation of the drive rod 20.

[0046] To prevent the moving rod 4 from rotating during movement, a limiting structure is added between the positioning sleeve 2 and the moving rod 4, that is, a limiting member 9 is provided on the positioning sleeve 2; a guide hole 19 is provided on the side wall of the moving rod 4, the guide hole 19 is an elongated hole along the length direction, and the free end of the limiting member 9 extends into the guide hole 19 and slides in cooperation with the guide hole 19.

[0047] The guide hole 19 opened on the side wall of the moving rod 4 allows the limiting member 9 to pass through, and when the moving rod 4 moves, the guide hole 19 cooperates with the limiting member 9 to limit the moving direction of the moving rod 4.

[0048] Optionally, the limiting member 9 can be a bolt, which passes through the side wall of the positioning sleeve 2 radially and extends into the guide hole 19.

[0049] like Figure 1 The positioning sleeve 2 shown also has a positioning element 11, which passes through the positioning sleeve 2 and abuts against the outer side wall of the moving rod 4. The positioning element 11 can be a bolt.

[0050] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A diamond tool grinding fixture, characterized in that, The device includes a workbench (1), a mounting frame (3), a grinding wheel (13), and a positioning assembly. The mounting frame (3) is located on the workbench (1), and the grinding wheel (13) is rotatably mounted on the mounting frame (3). The positioning assembly includes a positioning frame (6) rotatably mounted on the workbench (1) and a cutter head support plate mounted on the positioning frame (6). The cutter head support plate is positioned opposite to the working side of the grinding wheel (13) and has a construction gap.

2. The diamond tool grinding fixture as described in claim 1, characterized in that, The positioning frame (6) includes a transverse rod and a longitudinal rod. The transverse rod is parallel to the worktable (1) and connected to the worktable (1) by means of a rotating assembly. The transverse rod is located below the grinding wheel (13). The longitudinal rod is connected to the transverse rod and is located on the working side of the grinding wheel (13). The longitudinal rod extends upward, and the cutter head support plate is installed on the upper part of the longitudinal rod.

3. The diamond tool grinding fixture as described in claim 2, characterized in that, The upper end of the longitudinal rod has a horizontal through hole and a vertical through hole, and the lower end of the through hole extends to the through hole. The cutter head support plate includes a plate body (15) and a connecting rod (16), the connecting rod (16) horizontally penetrating the through hole; the plate body (15) is located on the side of the longitudinal rod facing the grinding wheel (13); The upper end of the longitudinal rod is connected to a set screw (17), which is located inside the through hole, and the lower end of the set screw (17) abuts against the connecting rod (16).

4. The diamond tool grinding fixture as described in claim 3, characterized in that, The cross-section of the connecting rod (16) is circular or rectangular.

5. The diamond tool grinding fixture as described in claim 2, characterized in that, The transverse bar has a plurality of hinge positions (8) for connecting the rotating assembly, and the plurality of hinge positions (8) are spaced apart along the length direction of the transverse bar; the plurality of hinge positions (8) are switched to adapt to a variety of diameter values ​​of the inner arc surface of the diamond cutter head (14).

6. The diamond tool grinding fixture as described in claim 2, characterized in that, The rotating assembly is in sliding engagement with the worktable (1).

7. The diamond tool grinding fixture as described in claim 6, characterized in that, The worktable (1) also has an adjustment assembly, which includes a positioning sleeve (2), a moving rod (4), and a drive rod (20). The positioning sleeve (2) is fixed on the worktable (1), and the axial direction of the positioning sleeve (2) is parallel to the grinding wheel (13). The moving rod (4) passes through the positioning sleeve (2) and slides with the positioning sleeve (2). The rotating assembly is connected to the end of the moving rod (4). The drive rod (20) rotates with the worktable (1), and the end of the drive rod (20) is threaded to the end of the moving rod (4) away from the rotating assembly. The drive rod (20) rotates to drive the moving rod (4) to slide.

8. The diamond tool grinding fixture as described in claim 7, characterized in that, The positioning sleeve (2) has a limiting member (9); the side wall of the moving rod (4) is provided with a guide hole (19), the guide hole (19) is an elongated hole along the length direction, and the free end of the limiting member (9) extends into the guide hole (19) and slides in cooperation with the guide hole (19).

9. The diamond tool grinding fixture as described in claim 8, characterized in that, The positioning sleeve (2) also has a positioning element (11), which penetrates the positioning sleeve (2) and abuts against the outer side wall of the moving rod (4).

10. The diamond tool grinding fixture as described in claim 8, characterized in that, The end of the drive rod (20) has a handle.

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