CN202428306U - Grinding machine - Google Patents

Abstract

The utility model discloses a grinder, including a housing, a motor is arranged inside the housing; a workbench, a circular arc guide rail and a drill clamping device are arranged on the workbench, and the drill clamping device is slidably connected to the workbench through an upper slider and a middle slider; a control module, the control module is arranged at the left and right ends of the front of the housing; two grinding wheels, the grinding wheels are facing the drill clamping device, the two grinding wheels are tilted to both sides and are opposite to the shape of the guide rail, and also include a first microscope for observing the grinding position and a second microscope for inspection. The utility model has a simple structure, is easy to cut and withdraw during grinding, uses two grinding wheels for grinding, completes a grinding process for the two grinding wheels at different angles, is easy to operate, and has high working efficiency and grinding accuracy.

Description

grinder

technical field

The utility model relates to the technical field of grinding, in particular to a grinding machine.

Background technique

Drilling usually requires the use of drills, and the accuracy of the drills must be high, otherwise the drills are more likely to break when drilling, so how to operate the grinder to produce high-precision drills is very important, but few people are familiar with this technology , if there is no considerable experience, it is difficult to grind the correct drill bit. At the same time, the existing grinding machine is usually operated with a single grinding wheel, which cannot achieve multi-angle grinding in one grinding process. The problem of symmetry, the grinding efficiency is relatively low, how to shorten the processing time of the grinding machine and improve the grinding precision has always been the research focus of the grinding machine.

Contents of the invention

The purpose of the utility model is to provide a grinder aimed at the deficiencies of the prior art, which is easy to operate and has high work efficiency and grinding precision.

In order to achieve the above object, the utility model is achieved through the following technical solutions.

A grinding machine, comprising a casing, the inside of the casing is provided with a motor; a workbench, an arc-shaped guide rail and a drill bit holding device are arranged on the workbench, and the drill bit holding device and the workbench slide The block and the middle slider are slidably connected; a control module, the control module is arranged at the left and right ends of the front of the casing; corresponding to the shape; a first microscope for observing the grinding position, and the first microscope is arranged directly above the drill holding device.

Preferably, the drill clamping device includes a chuck set, a grinder adjustment card, a universal joint and a stepping motor, and the two ends of the universal joint are respectively connected with the chuck and the stepping motor.

Preferably, both ends of the universal joint are respectively connected with the chuck set and the stepping motor.

Preferably, the surface of the workbench is provided with an angle plate with a scale of 0-35.

Preferably, the two sides of the grinding wheel are provided with spindle centrimeters for adjusting its position.

Preferably, the upper slider is provided with a V-groove seat for placing the cutting edge of the drill bit.

Preferably, the control module includes a phase rotating disk for adjusting phase merging during grinding, a start switch, a phase switch for realizing 90° and 180° rotation of the drill bit, a speed control knob for adjusting the moving speed of the drill bit holding device, and adjusting the grinding times selector switch and motor switch.

Preferably, the mirror base of the first microscope is provided with a mirror base microcal.

Preferably, the casing is provided with a second microscope for inspection, and a copper inspection ring is provided under the second microscope.

Preferably, an illuminating lamp is provided on the top of the housing.

The utility model has the beneficial effects due to the adoption of the above-mentioned technical scheme: the utility model has a simple structure. The shape of the grinding wheel achieves the effect of easy removal of the knife and easy removal of the knife. Two grinding wheels are used for grinding at the same time, and the grinding process is completed on the two grinding wheels at different angles. The operation is simple, and the grinding accuracy and work efficiency are improved.

The utility model has another beneficial effect due to the adoption of the above technical solution: the utility model is equipped with a first microscope for observing the grinding position and a second microscope for inspection, and the first microscope is provided with a reticle to facilitate the alignment operation of the grinding drill , improve the grinding accuracy, and the second microscope is convenient for the inspection of the drill bit after grinding.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the drill clamping device of the present invention.

Fig. 3 is a schematic diagram of the phase between the reticle and the drill bit.

In the figure: 1—casing, 2—workbench, 3—guide rail, 4—drill bit clamping device, 41—chuck set, 42—grinding amount adjustment card, 43—universal Connector, 44—stepping motor, 5—upper slider, 6—middle slider, 7—control module, 71—phase rotating disc, 72—start switch, 73—phase switch, 74— —Speed control knob, 75—selection switch, 76—motor switch, 8—grinding wheel, 9—angle plate, 10—spindle micrometer card, 11—V groove pedestal, 12—first microscope, 13——second microscope, 14——mirror base microcal, 15——inspection ring, 16——lighting lamp.

Detailed ways

As shown in Figures 1 to 3, a grinding machine includes a casing 1, a workbench 2, a control module 7, two grinding wheels 8, and a lighting lamp 16. The inside of the casing 1 is provided with a motor, and the motor drives the two grinding wheels 8 to work. , the workbench 2 is provided with an arc-shaped guide rail 3 and the drill bit clamping device 4, and the surface of the workbench 2 is provided with an angle plate 9 with a scale of 0-35 to facilitate the adjustment of the drill bit clamping device 4. The drill bit clamping device 4 is compatible with the working Table 2 is slidingly connected by the upper slider 5 and the middle slider 6, the movement of the upper slider 5 can adjust the amount of grinding, the upper slider 5 is provided with a V-groove pedestal 11 for placing the drill bit blade, and the middle slider 6 can make the drill bit clamp The holding device 4 moves back and forth, and the drill holding device 4 moves on the guide rail 3 on the worktable 2 through the upper slider 5 and the middle slider 6. According to the arc-shaped shape of the guide rail 3 and the shape of the two grinding wheels 8, the lower knife can be achieved. Easy, convenient effect of retracting the knife, easy to operate.

Drill bit clamping device 4 comprises collet group 41, grind amount adjustment minute card 42, universal joint 43 and the stepping motor 44 that drill bit is rotated, and universal joint 43 connects chuck group 41 and stepping motor 44, and drill bit inserts The chuck group 41 is internally fixed.

The two grinding wheels 8 are facing the drill bit holding device 4, and the two grinding wheels 8 are inclined to the two sides corresponding to the shape of the guide rail 3. When working, the drill bit moves to the left, and a grinding process is completed on the two grinding wheels through different angles. The grinding accuracy and work to raise efficiency. Both sides of the grinding wheel 8 are provided with a spindle splitter card 10 for adjusting its position, which controls the forward and backward movement of the two grinding wheels 8. When working, turn the right spindle splitter card 10 clockwise to move the right grinding wheel 8 forward to contact with the drill bit. , after the drill bit is ground on the right grinding wheel 8, turn the left main shaft minute card 10 clockwise to move the left grinding wheel 8 forward, and confirm that the grinding wheel 8 is ground to the drill bit.

The control module 7 is arranged at the left and right ends of the front of the casing 1. Specifically, the control module 7 includes a phase rotating disk 71, a start switch 72, a phase switch 73, a speed control knob 74, a selection switch 75 and a motor switch 76. The phase rotating disk 71 adjusts the combination of phases during grinding, which can make the drill bit rotate freely. The start switch 72 is the switch to start the grinding. When the start switch 72 is turned on, the two grinding wheels 8 start to rotate. The phase switch 73 enables the chuck 41 to drive the drill bit to realize automatic operation. Rotation of 90° and 180°, the speed control knob 74 is convenient for the grinder to adjust the moving speed of the drill bit holding device 4 during grinding or grinding wheel dressing, when the speed control knob 74 is adjusted to the maximum, the drill bit holding device 4 automatically moves to the left Move and return to the original position to stop, adjust the selection switch 75 when adjusting the number of times of grinding according to the grinding situation, and the motor switch 76 controls the stepping motor 44.

The grinder also includes a first microscope 12 for observing the grinding position and a second microscope 13 for inspection. The eyepiece of the first microscope 12 is provided with a reticle. The merging situation of reticle phase, adjust the first microscope 12 magnifications, can see the drill tip of drill bit clearly, the mirror stand of the first microscope 12 is provided with mirror stand minute card 14, makes drill bit and reticle merge, the 2nd Second microscope 13 is arranged on the right side of casing 1, and the second microscope 13 below is provided with copper inspection ring 15, and the drill bit that needs to check after fixing grinding.

Grinding principle:

The operator inserts the drill bit into the chuck set 41 and places the cutting edge of the drill bit on the V-groove pedestal 11, then observes the drill bit through the first microscope 12, and adjusts its position so that it coincides with the crosshairs of the first microscope 12, and presses the start button. Switch 72, after the chuck 41 of drill bit holding device 4 rotates 90 ° counterclockwise, drill bit holding device 4 starts to move to the left, and the speed of its movement is controlled by speed regulating knob 74, and drill tip also begins to move to the left direction, by Complete a grinding process on the two grinding wheels 8 at different angles, and then return to the starting position to stop. At this time, the drill bit rotates 180° counterclockwise, and grinds the other knife face again. After the same operation, return to the starting position, and the drill bit rotates counterclockwise. Stop at the initial position and complete a job. After the operator replaces the drill bit and adjusts the cross phase, he presses the start switch again, and the machine starts to automatically repeat the grinding at the last position.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (9)

1. A grinding machine, characterized in that: it includes a casing (1) with a motor inside the casing (1); a workbench (2) with an arc shaped guide rail (3) and drill bit clamping device (4), the drill bit clamping device (4) is slidably connected with the workbench (2) through the upper slider (5) and the middle slider (6); a control module (7) , the control module (7) is arranged at the left and right ends of the front of the casing (1); two grinding wheels (8), the grinding wheel (8) is facing the drill bit holding device (4), and the two grinding wheels ( 8) Tilting to both sides corresponds to the shape of the guide rail (3); a first microscope (12) for observing the grinding position, and the first microscope (12) is set directly above the drill holding device (4) . 2. The grinder according to claim 1, characterized in that: the drill bit clamping device (4) includes a chuck set (41), a grinder adjustment card (42), a universal joint (43) and a stepping motor (44), the two ends of the universal joint (43) are respectively connected with the chuck (41) and the stepping motor (44). 3. The grinding machine according to claim 1, characterized in that: the surface of the workbench (2) is provided with an angle plate (9) with a scale of 0-35. 4. The grinding machine according to claim 1, characterized in that: the two sides of the grinding wheel (8) are respectively provided with spindle centrimeters (10) for adjusting its position. 5. The grinding machine according to claim 1, characterized in that: the upper slider (5) is provided with a V-groove pedestal (11) for placing the drill bit blade. 6. The grinder according to claim 1, characterized in that: the control module (7) includes a phase rotating disc (71) for adjusting phase merging during grinding, a start switch (72), and a drill bit 90° and 180° ° Rotating phase switch (73), speed control knob (74) for adjusting the moving speed of the drill bit holding device (4), selection switch (75) and motor switch (76) for adjusting the grinding times. 7. The grinder according to claim 1, characterized in that: the mirror base of the first microscope (12) is provided with a mirror base microcal (14). 8. The grinding machine according to claim 1, characterized in that: the casing (1) is provided with a second microscope (13) for inspection, and a copper inspection ring (15) is provided under the second microscope (13). ). 9. The grinding machine according to claim 1, characterized in that: the top of the casing (1) is provided with an illuminating lamp (16).

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