Grinding wheel dressing device for silicon nitride ceramic machining

Abstract

The utility model relates to a grinding wheel dressing device for silicon nitride ceramic processing, and aims to solve the problems that the dressing is high in risk when a common grinding wheel is rotated by manually holding a carborundum grinding wheel at present, or the common grinding wheel is detached from a grinding machine and mounted on professional dressing equipment for dressing, so that the dressing efficiency is high. The device comprises a bottom plate, a grinding machine is installed on the bottom plate, sliding grooves are formed in the positions, on the two sides of the grinding machine, of the bottom plate, sliding blocks are slidably connected into the two sliding grooves, springs are installed between one ends of inner cavities of the two sliding grooves and the two sliding blocks, and supporting legs are installed on the two sliding blocks. The grinding wheel dressing device has the advantages that a worker does not need to hold the carborundum grinding wheel by hand to conduct dressing when a common grinding wheel rotates, dangerousness is reduced, the common grinding wheel does not need to be detached from a grinding machine and installed on professional dressing equipment to conduct dressing, and the dressing efficiency of the grinding wheel is improved.

Description

Technical Field

[0001] The utility model relates to the field of grinding wheels, in particular to a grinding wheel dressing device for processing silicon nitride ceramics. Background Art

[0002] Characteristics of silicon nitride ceramics: Silicon nitride ceramics have extremely strong corrosion resistance, high temperature resistance, non-magnetic conductivity, insulation and low heat conductivity, which makes it widely used in the machinery industry, such as the manufacture of bearings, turbine blades and other mechanical components. When processing silicon nitride ceramics, a grinding wheel machine is required for double-sided shaping grinding, which can effectively improve processing efficiency and precision.

[0003] After a period of use, the abrasive on the surface of the grinding wheel will gradually become dull, reducing the grinding efficiency and grinding accuracy of the workpiece, increasing the grinding resistance and loss, and even causing burns to the workpiece, requiring dressing. In the existing technology, manual handheld diamond grinding wheels are often used to dress ordinary grinding wheels while they are rotating, which is highly dangerous. Alternatively, the ordinary grinding wheel is removed from the grinding machine and installed on professional dressing equipment for dressing, which is relatively cumbersome. Therefore, a new technical solution needs to be designed to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the existing technology, adapt to actual needs, and provide a grinding wheel dressing device for silicon nitride ceramic processing to solve the current technical problems of using manual handheld diamond grinding wheels to dress ordinary grinding wheels during rotation, which is highly dangerous, or removing the ordinary grinding wheel from the grinding machine and installing it on professional dressing equipment for dressing, which is relatively cumbersome.

[0005] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is as follows: a grinding wheel dressing device for silicon nitride ceramic processing is designed, comprising a base plate, a grinding machine is installed on the base plate, a slide groove is provided on the base plates on both sides of the grinding machine, sliders are slidably connected in the two slide grooves, springs are respectively installed between one end of the inner cavity of the two slide grooves and the two sliders, support legs are installed on the two sliders, grooves are provided on the tops of the two support legs, support rods are provided in the two grooves, a cross bar is fixedly connected between the two support rods, and dressing blocks are provided on both sides of the same end of the two cross bars, and the dressing blocks correspond to the grinding wheels of the grinding machine;

[0006] Both ends of the support legs are provided with arc-shaped through holes, and both ends of the support rod are fixedly connected with screw rods. The two screw rods slide through the two arc-shaped through holes respectively, and nuts are threadedly sleeved on the outer sides of the two screw rods.

[0007] Preferably, adjustment slots are provided on both sides of one end of the cross bar close to the trimming block, and adjustment blocks are slidably connected in the two adjustment slots. The two trimming blocks are respectively connected to the two adjustment blocks, and reciprocating screw rods are rotatably connected in the two adjustment slots. The two reciprocating screw rods are connected by a transmission shaft, and the two adjustment blocks are respectively slidably sleeved on the outside of the two reciprocating screw rods. A servo motor is installed on the support rod, and the driving end of the servo motor is connected to the reciprocating screw rod.

[0008] Preferably, connecting plates are installed on both sides of the two adjusting blocks, bolts pass through the connecting plates, and the bolts are threadedly connected to the surface of the trimming block.

[0009] Preferably, the size of the nut is greater than the width of the arc-shaped through hole.

[0010] Preferably, both ends of the supporting legs are fixedly connected with anti-slip pads.

[0011] Preferably, the spring is always in a stretched state, and the tension of the spring is greater than the friction force of the slider in the sliding groove.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model combines structures such as a cross bar, a support leg, an arc-shaped through hole, a support rod, a screw, a nut, a dressing block, a slider, a slide groove and a spring. By pulling the cross bar across the grinding machine, the cross bar is rotated to make the cross bar perpendicular to the support leg, and then the nut is screwed to contact the outer side of the support leg to fix the rotating cross bar. Then, the cross bar is released by hand and the tension of the spring is used to pull the dressing block to contact the rotating grinding wheel for dressing. Not only does it not require manual holding of the diamond grinding wheel to perform dressing of the ordinary grinding wheel during rotation, thereby reducing the danger, but it also does not require the ordinary grinding wheel to be removed from the grinding machine and installed on professional dressing equipment for dressing, thereby improving the dressing efficiency of the grinding wheel.

[0014] 2. The utility model combines the structures of the adjustment slot, the adjustment block, the reciprocating screw and the servo motor. When the grinding wheel is dressed, the servo motor is started to drive the reciprocating screw to rotate, and then drives the dressing block to move back and forth to dress the grinding wheel, further improving the dressing effect of the grinding wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection structure between the support rod and the cross bar of the utility model;

[0017] Figure 3This is a schematic diagram of the connection structure between the adjustment block and the trimming block of the utility model;

[0018] Figure 4 This is an enlarged view of point A of the present utility model;

[0019] Figure 5 This is the front view of the reciprocating screw rod of the present utility model.

[0020] In the figure: 1. Base plate; 2. Slide groove; 21. Spring; 22. Slider; 3. Support leg; 31. Support rod; 32. Cross bar; 33. Adjustment slot; 34. Adjustment block; 4. Servo motor; 41. Reciprocating screw; 5. Trimming block; 6. Connecting plate; 61. Bolt; 7. Groove; 71. Arc-shaped through hole; 72. Screw; 73. Nut; 74. Anti-slip pad. DETAILED DESCRIPTION

[0021] The present invention is further described below with reference to the accompanying drawings and embodiments:

[0022] Example 1: A grinding wheel dressing device for silicon nitride ceramic processing, see Figures 1 to 5 , including a base plate 1, a grinding wheel machine is installed on the base plate 1, a slide groove 2 is provided on the base plate 1 on both sides of the grinding wheel machine, and a slider 22 is slidably connected in the two slide grooves 2, and a spring 21 is installed between one end of the inner cavity of the two slide grooves 2 and the two sliders 22. The spring 21 is always in a stretched state, and the tension of the spring 21 is greater than the friction force of the slider 22 in the slide groove 2, and the two sliders 22 are installed with a support leg 3, and the top of the two support legs 3 is provided with a groove 7, and the two grooves 7 are provided with a support rod 31. A cross bar 32 is fixedly connected between the two support rods 31, and a dressing block 5 is provided on both sides of the same end of the two cross bars 32, and the dressing block 5 corresponds to the grinding wheel of the grinding wheel machine; arc-shaped through holes 71 are provided at both ends of the support leg 3, and both ends of the support rod 31 are fixedly connected There are screw rods 72, and the two screw rods 72 slide through the two arc-shaped through holes 71 respectively. The outer sides of the two screw rods 72 are threaded with nuts 73, and the size of the nuts 73 is larger than the width of the arc-shaped through holes 71. When working, by pulling the cross bar 32 over the grinding machine, and then rotating the cross bar 32 to make the cross bar 32 perpendicular to the support leg 3, and then screwing the nut 73 to contact the outer side of the support leg 3 to fix the rotating cross bar 32, and then loosen the cross bar 32 by hand and cooperate with the tension of the spring 21 to pull the dressing block 5 to contact the rotating grinding wheel for dressing. Not only does it not need to manually hold the diamond grinding wheel to perform dressing when the ordinary grinding wheel is rotating, reducing the risk, but also there is no need to remove the ordinary grinding wheel from the grinding machine and install it on professional dressing equipment for dressing, thereby improving the efficiency of grinding wheel dressing.

[0023] For details, see Figure 1 and Figure 2, adjustment slots 33 are provided on both sides of one end of the cross bar 32 near the dressing block 5, and adjustment blocks 34 are slidably connected in the two adjustment slots 33. The two dressing blocks 5 are respectively connected to the two adjusting blocks 34, and the two adjusting slots 33 are rotatably connected with reciprocating screws 41, and the two reciprocating screws 41 are connected by a transmission shaft, and the two adjustment blocks 34 are respectively slidably sleeved on the outside of the two reciprocating screws 41, and a servo motor 4 is installed on the support rod 31. The driving end of the servo motor 4 is connected to the reciprocating screw 41. When the grinding wheel is dressed, the servo motor 4 is started to drive the reciprocating screw 41 to rotate, thereby driving the dressing block 5 to reciprocate to dress the grinding wheel, further improving the dressing effect of the grinding wheel.

[0024] For further information, see Figure 3 A connecting plate 6 is installed on both sides of the two adjusting blocks 34, and a bolt 61 passes through the connecting plate 6. The bolt 61 is threadedly connected to the surface of the trimming block 5. By screwing the bolt 61, the trimming block 5 can be easily disassembled and assembled, and the trimming block 5 that is severely worn and needs to be replaced can be easily replaced.

[0025] It is worth noting that see Figure 4 Both ends of the support leg 3 are fixedly connected with anti-slip pads 74, which increase the friction between the nut 73 and the outer side of the support leg 3, thereby improving the stability of the cross bar 32 fixation, and then improving the stability of the contact between the dressing block 5 and the grinding wheel, further improving the effect of the dressing block 5 on the grinding wheel dressing.

[0026] In addition, the components designed in this utility model are all universal standard parts or components known to technical personnel in this field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. They can be fully implemented by technical personnel in this field. Needless to say, the content protected by this utility model does not involve improvements to internal structures and methods.

[0027] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.

Claims

1. A grinding wheel dressing device for silicon nitride ceramic processing, comprising a base plate (1), characterized in that: A grinding wheel machine is installed on the base plate (1), and a slide groove (2) is provided on the base plate (1) on both sides of the grinding wheel machine, and a slider (22) is slidably connected in the two slide grooves (2), and a spring (21) is installed between one end of the inner cavity of the two slide grooves (2) and the two sliders (22), and a support leg (3) is installed on the two sliders (22), and a groove (7) is provided on the top of the two support legs (3), and a support rod (31) is provided in the two grooves (7), and a cross bar (32) is fixedly connected between the two support rods (31), and a dressing block (5) is provided on both sides of the same end of the two cross bars (32), and the dressing block (5) corresponds to the grinding wheel of the grinding wheel machine; Both ends of the support leg (3) are provided with an arc-shaped through hole (71), and both ends of the support rod (31) are fixedly connected with a screw rod (72), and the two screw rods (72) slide through the two arc-shaped through holes (71) respectively, and the outer sides of the two screw rods (72) are threadedly sleeved with nuts (73).

2. A grinding wheel dressing device for silicon nitride ceramic processing according to claim 1, characterized in that: Adjustment slots (33) are provided on both sides of one end of the cross bar (32) close to the trimming block (5), and adjustment blocks (34) are slidably connected in the two adjustment slots (33). The two trimming blocks (5) are respectively connected to the two adjustment blocks (34). Reciprocating screw rods (41) are rotatably connected in the two adjustment slots (33), and the two reciprocating screw rods (41) are connected through a transmission shaft. The two adjustment blocks (34) are respectively slidably sleeved on the outsides of the two reciprocating screw rods (41). A servo motor (4) is installed on the support rod (31), and the driving end of the servo motor (4) is connected to the reciprocating screw rod (41).

3. A grinding wheel dressing device for silicon nitride ceramic processing according to claim 2, characterized in that: Connecting plates (6) are installed on both sides of the two adjusting blocks (34), and bolts (61) pass through the connecting plates (6). The bolts (61) are threadedly connected to the surface of the trimming block (5).

4. A grinding wheel dressing device for silicon nitride ceramic processing according to claim 1, characterized in that: The size of the nut (73) is greater than the width of the arc-shaped through hole (71).

5. A grinding wheel dressing device for silicon nitride ceramic processing according to claim 1, characterized in that: Both ends of the support leg (3) are fixedly connected with anti-slip pads (74).

6. A grinding wheel dressing device for silicon nitride ceramic processing according to claim 1, characterized in that: The spring (21) is always in a stretched state, and the pulling force of the spring (21) is greater than the friction force of the slider (22) in the slide groove (2).

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