Split type abrasive cutting wheel

Abstract

The utility model discloses a split type abrasive cutting wheel, relates to the technical field of part machining, and aims to solve the problems in the background technology, the split type abrasive cutting wheel comprises a mounting base, four mounting screw holes are formed in the upper surface of the mounting base, a split type seat is fixedly connected to the upper surface of the mounting base, and four arc-shaped grooves are formed in the upper surface of the split type seat. Adjusting assemblies are slidably connected to the inner walls of the four arc-shaped grooves, grinding wheel bodies are in lap joint with the upper surfaces of the four adjusting assemblies, two rectangular clamping grooves are formed in the lower surfaces of the grinding wheel bodies, and limiting inserting grooves are formed in the inner walls of the rectangular clamping grooves. By arranging the adjusting assembly, the height of a single grinding wheel body needing to be replaced can be rapidly adjusted during use, the height of a new grinding wheel body is kept consistent with that of an old grinding wheel body, and it is ensured that the grinding wheel body can be normally used; and the problem that the machining quality of the workpiece becomes poor due to inconsistent heights of the friction surfaces is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of part processing, especially relates to a split cutting grinding wheel. BACKGROUND

[0002] The grinding wheel is a kind of consolidated abrasive tool that is formed into a certain shape (mostly circular, with a through hole in the center) by binder and has a certain strength, is the largest and most widely used in abrasive tools, and can be used to rough grinding, semi-precision grinding and precision grinding, as well as slotting and cutting of the outer circle, inner circle, plane and various profiles of metal or non-metal workpieces, and is a common workpiece processing tool.

[0003] The existing grinding wheel is mostly of integral structure, and after long-term use, the grinding wheel is severely worn, so the entire grinding wheel needs to be removed and replaced, while other positions of the grinding wheel remain intact, which leads to the waste of the grinding wheel and the inability to remove the severely worn area alone, and there is room for improvement. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a split cutting grinding wheel.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A split cutting grinding wheel, comprising a mounting base, the upper surface of the mounting base is provided with four mounting screw holes, the upper surface of the mounting base is fixedly connected with a split seat, the upper surface of the split seat is provided with four arc-shaped grooves, the inner wall of the four arc-shaped grooves is slidably connected with an adjusting assembly, the upper surface of the four adjusting assemblies is all overlapped with a grinding wheel body, the lower surface of the grinding wheel body is provided with two rectangular clamping grooves, the inner wall of the rectangular clamping groove is provided with a limiting slot, the side surface of the grinding wheel body is screw-connected with two locking bolts, the adjusting assembly comprises an arc-shaped frame, the upper surface of the arc-shaped frame is fixedly connected with two strip-shaped clamping blocks, the side surface of the strip-shaped clamping block is provided with a long screw hole, the lower surface of the arc-shaped frame is fixedly connected with an adjusting bracket, the lower surface of the arc-shaped frame is provided with a fixed groove at the position corresponding to the adjusting bracket, the inner part of the split seat is all provided with a cavity at the position corresponding to the four arc-shaped grooves, the inner bottom wall of the cavity is rotatably connected with a lead screw, the top end of the lead screw is fixedly connected with a limiting plate, the surface of the lead screw is fixedly connected with a first bevel gear, the surface of the split seat is rotatably connected with a round rod at the position corresponding to the four cavities, and one end of the round rod extends into the inner part of the cavity and is fixedly connected with a second bevel gear.

[0007] Preferably, the strip-shaped clamping block is matched with the rectangular clamping groove, and the locking bolt is matched with the long screw hole in the side surface of the strip-shaped clamping block.

[0008] Preferably, the lower surface of the adjusting frame is provided with a threaded hole, the adjusting frame is connected with the lead screw through the threaded hole, the second bevel gear is engaged with the first bevel gear, and rotation of the lead screw can drive the adjusting frame to adjust the height of the arc-shaped frame, and the rotation of the round rod can drive the first bevel gear and the lead screw to rotate through the second bevel gear.

[0009] Preferably, the strip-shaped hole is in communication with the long screw hole, and the inner wall of the strip-shaped hole is provided with a sliding groove.

[0010] Preferably, the positioning assembly comprises a sliding block, the inner wall of the sliding groove is fixedly connected with a limiting rod, the surface of the limiting rod is sleeved with a spring, the sliding block is slidably connected with the surface of the limiting rod, one end of the spring is lapped with the sliding block, and the other end of the spring is lapped with the inner wall of the sliding groove, and the sliding block can slide left and right on the surface of the limiting rod and extrude the spring to generate deformation.

[0011] Preferably, one side of the sliding block is fixedly connected with a jacking rod, the end, away from the sliding block, of the jacking rod extends into the long screw hole, the other side of the sliding block is fixedly connected with a limiting plug, the limiting plug is matched with the limiting slot, and the locking bolt can extrude the jacking rod after being inserted into the long screw hole, thereby driving the sliding block to slide on the surface of the limiting rod and pushing the limiting plug to be inserted into the limiting slot.

[0012] The utility model discloses a beneficial effect is:

[0013] 1. By setting up the adjusting assembly, the height of the new grinding wheel body can be adjusted quickly when using, so that the height of the new grinding wheel body is consistent with the height of the old grinding wheel body, and the grinding wheel body can be used normally, and the problem that the machining quality of the workpiece is poor due to the inconsistent height of the friction surface is avoided.

[0014] 2. By setting up the positioning assembly, the grinding wheel body can be positioned when using, and the connection strength between the grinding wheel body and the strip-shaped clamping block is strengthened to some extent, so that the stability of the grinding wheel body during use is ensured, and the machining quality is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic view of the split type cutting grinding wheel is provided for the utility model;

[0016] Figure 2 A front sectional structure schematic view of the split type cutting grinding wheel is provided for the utility model;

[0017] Figure 3 A split type cutting grinding wheel of the utility model is provided for the utility model; Figure 2 An enlarged schematic view of structure A is provided for the utility model.

[0018] In the figure: 1, mounting base; 2, sub-mounting base; 3, grinding wheel body; 4, locking bolt; 5, arc frame; 6, strip-shaped clamping block; 7, adjusting frame; 8, lead screw; 9, limiting plate; 10, first bevel gear; 11, round rod; 12, second bevel gear; 13, sliding block; 14, limiting rod; 15, spring; 16, jacking rod; 17, limiting plug. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Embodiment 1, refer to Figure 1 、 Figure 2 and Figure 3 A sub-mounted cutting grinding wheel, comprising a mounting base 1, the upper surface of the mounting base 1 is provided with four mounting screw holes, the upper surface of the mounting base 1 is fixedly connected with a sub-mounting base 2, the upper surface of the sub-mounting base 2 is provided with four arc-shaped grooves, the inner walls of the four arc-shaped grooves are slidably connected with adjusting assemblies, the upper surfaces of the four adjusting assemblies are all overlapped with grinding wheel bodies 3, the lower surface of each grinding wheel body 3 is provided with two rectangular clamping grooves, the inner walls of the rectangular clamping grooves are provided with limiting insertion grooves, and the surface of each grinding wheel body 3 is screw-connected with two locking bolts 4;

[0021] The adjusting assembly comprises an arc-shaped frame 5, the upper surface of the arc-shaped frame 5 is fixedly connected with two strip-shaped clamping blocks 6, the strip-shaped clamping blocks 6 are matched with the rectangular clamping grooves, the side surface of each strip-shaped clamping block 6 is provided with a long screw hole, the locking bolt 4 is matched with the long screw hole in the side surface of each strip-shaped clamping block 6, the lower surface of the arc-shaped frame 5 is fixedly connected with an adjusting frame 7, and the lower surface of the arc-shaped frame 5 is provided with a fixed groove at a position corresponding to the adjusting frame 7;

[0022] The inside of the sub-mounting base 2 is provided with cavities at positions corresponding to the four arc-shaped grooves, the inner bottom wall of each cavity is rotatably connected with a lead screw 8, the lower surface of the adjusting frame 7 is provided with a threaded hole, the adjusting frame 7 is screw-connected with the lead screw 8 through the threaded hole, the top end of the lead screw 8 is fixedly connected with a limiting plate 9, the surface of the lead screw 8 is fixedly connected with a first bevel gear 10, the surface of the sub-mounting base 2 is rotatably connected with a round rod 11 at a position corresponding to each cavity, one end of the round rod 11 extends into the inside of the cavity and is fixedly connected with a second bevel gear 12, and the second bevel gear 12 is engaged with the first bevel gear 10;

[0023] When the single grinding wheel body 3 is seriously worn and needs to be replaced, the locking bolt 4 is unscrewed, the grinding wheel body 3 is taken out from the arc frame 5, and the new grinding wheel body 3 is placed on the surface of the strip-shaped clamping block 6 above the arc frame 5. The locking bolt 4 is used to limit the grinding wheel body 3. At this time, the circular rod 11 is rotated, the second bevel gear 12 and the first bevel gear 10 drive the screw rod 8 to rotate, so that the height of the arc frame 5 can be finely adjusted through the adjusting frame 7, so that the friction surface of the new grinding wheel body 3 can be kept in the same level as the friction surface of the old grinding wheel body 3, and the normal grinding function of the grinding wheel body 3 will not be affected.

[0024] Embodiment 2: refer to Figure 1 、 Figure 2 and Figure 3 The strip-shaped hole is in communication with the long screw hole, and the inner wall of the strip-shaped hole is provided with a sliding groove. The inner wall of the strip-shaped hole is slidably connected with a positioning assembly. The positioning assembly comprises a sliding block 13. The inner wall of the sliding groove is fixedly connected with a limiting rod 14. The surface of the limiting rod 14 is sleeved with a spring 15. The sliding block 13 is slidably connected with the surface of the limiting rod 14. One end of the spring 15 is lapped with the sliding block 13, and the other end is lapped with the inner wall of the sliding groove. One side of the sliding block 13 is fixedly connected with a jacking rod 16. The end of the jacking rod 16 away from the sliding block 13 extends into the inside of the long screw hole. The other side of the sliding block 13 is fixedly connected with a limiting plug 17, and the limiting plug 17 is matched with the limiting slot;

[0025] After the locking bolt 4 is inserted into the long screw hole, the jacking rod 16 can be moved, the jacking rod 16 can slide on the surface of the limiting rod 14 while extruding the spring 15, and the sliding block 13 can drive the limiting plug 17 to be inserted into the limiting slot, so as to assist in positioning the grinding wheel body 3 and further improve the stability of the grinding wheel body 3 during use.

[0026] Working principle: four arc-shaped frame 5 can be divided into four blocks, the use of arc-shaped frame 5 above the strip block 6 card into the rectangular slot below the grinding wheel body 3, while the use of locking bolt 4 inserted into the long screw hole on the side of the strip block 6, so that the grinding wheel body 3 locking, when a block of grinding wheel body 3 damage, just need to unscrew the locking bolt 4 can be removed grinding wheel body 3 replacement operation, while rotating the round bar 11, through the second bevel gear 12 drive first bevel gear 10 rotation, can be through the screw rod 8 and adjusting bracket 7 adjust the height of the arc-shaped frame 5, the new grinding wheel body 3 to adjust downward, the new grinding wheel body 3 friction surface and the friction surface of the old grinding wheel body 3 keep the same level, do not affect the normal cutting operation of the grinding wheel body 3, high flexibility, while the locking bolt 4 inserted into the long screw hole, can drive the top rod 16 moves, the top rod 16 can extrude the sliding block 13, make it in the surface of the limiting rod 14 extrusion spring 15, while driving the limiting block 17 inserted into the limiting slot, so that the grinding wheel body 3 auxiliary positioning, further improve the stability of the grinding wheel body 3 in the process of use.

[0027] The above is only the preferred specific embodiments of the present application, but the scope of protection of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range disclosed by the present application, according to the technical scheme of the present application and the utility model concept of the present application to equivalent replacement or change, should be covered in the scope of protection of the present application.

Claims

1. A split cutting grinding wheel, comprising a mounting base (1), the upper surface of the mounting base (1) is provided with four mounting screw holes, the upper surface of the mounting base (1) is fixedly connected with a split mounting seat (2), the upper surface of the split mounting seat (2) is provided with four arc-shaped grooves, the inner walls of the four arc-shaped grooves are slidably connected with adjusting assemblies, the upper surfaces of the four adjusting assemblies are all overlapped with grinding wheel bodies (3), the lower surface of each grinding wheel body (3) is provided with two rectangular clamping grooves, the inner walls of the rectangular clamping grooves are provided with limiting insertion grooves, and the surface of each grinding wheel body (3) is screwedly connected with two locking bolts (4), characterized in that, The adjusting assembly includes an arc-shaped frame (5), the upper surface of the arc-shaped frame (5) is fixedly connected with two strip-shaped clamping blocks (6), the side surface of the strip-shaped clamping block (6) is provided with a long screw hole, the lower surface of the arc-shaped frame (5) is fixedly connected with an adjusting frame (7), the lower surface of the arc-shaped frame (5) is provided with a fixed groove at the position corresponding to the adjusting frame (7), the inside of the sub-mounting seat (2) is provided with a cavity at the position corresponding to the four arc-shaped grooves, the inner bottom wall of the cavity is rotatably connected with a lead screw (8), the top end of the lead screw (8) is fixedly connected with a limiting plate (9), the surface of the lead screw (8) is fixedly connected with a first bevel gear (10), the surface of the sub-mounting seat (2) is rotatably connected with a round rod (11) at the position corresponding to the four cavities, one end of the round rod (11) extends into the inside of the cavity and is fixedly connected with a second bevel gear (12).

2. The split cutting-off wheel of claim 1, wherein The strip-shaped clamping block (6) is matched with the rectangular clamping groove, and the locking bolt (4) is matched with the long screw hole in the side surface of the strip-shaped clamping block (6).

3. The split cutting-off wheel of claim 1, wherein The lower surface of the adjusting frame (7) is provided with a threaded hole, the adjusting frame (7) is threadedly connected with the lead screw (8) through the threaded hole, and the second bevel gear (12) is engaged with the first bevel gear (10).

4. The split cutting-off wheel of claim 1, wherein The side, opposite to the position of the strip-shaped clamping block (6) and the long screw hole, is provided with a strip-shaped hole, the strip-shaped hole is in communication with the long screw hole, the inner wall of the strip-shaped hole is provided with a sliding groove, and the inner wall of the strip-shaped hole is slidably connected with a positioning assembly.

5. The split cutting-off wheel of claim 4 wherein, The positioning assembly includes a sliding block (13), the inner wall of the sliding groove is fixedly connected with a limiting rod (14), the surface of the limiting rod (14) is sleeved with a spring (15), the sliding block (13) is slidably connected with the surface of the limiting rod (14), one end of the spring (15) is lapped with the sliding block (13), and the other end is lapped with the inner wall of the sliding groove.

6. The split cutting-off wheel of claim 5, wherein One side of the sliding block (13) is fixedly connected with a jacking rod (16), one end of the jacking rod (16) away from the sliding block (13) extends into the inside of the long screw hole, the other side of the sliding block (13) is fixedly connected with a limiting plug (17), and the limiting plug (17) is matched with the limiting slot.

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