TWI623375B - Milling cutter grinding machine with adjustable center dead spot thickness - Google Patents

Abstract

A milling cutter grinding machine capable of adjusting a central static spot thickness, comprising: a base, wherein the base is provided with a motor, the output shaft of the motor is connected with a grinding wheel, and the base is directly opposite the grinding wheel Further, a central static spot grinding base has a fixed seat, and a sliding seat that can slide back and forth with respect to the fixed seat, the sliding seat is provided with a central static grinding hole from top to bottom. The sliding seat can be moved back and forth relative to the fixing seat to adjust the distance between the central axis of the center static grinding hole and the grinding wheel, thereby achieving the purpose of adjusting the center dead spot thickness.

Description

Milling cutter grinding machine with adjustable center dead spot thickness

The present invention relates to a grinder, and more particularly to a milling cutter grinder that can adjust the center dead spot thickness.

In order to allow the user to grind and repair the damaged milling cutter to achieve environmental protection and cost saving, the inventor of the present invention developed an "end face milling cutter grinding machine" as disclosed in the patent publication No. M328346. The end mill grinding machine mainly has a base, and the base is provided with a plate body, one side of the plate body is provided with a motor, and the output shaft of the motor is connected through the plate body. a grinding wheel, and the other side of the plate body is provided with a knife edge grinding unit, a first knife back grinding unit, a second knife back grinding unit and a central static point grinding unit around the grinding wheel, thereby allowing the user to The grinding and repairing milling cutters are sequentially fixed on the grinding units, and the grinding edges, the blade backs and the center static points of the milling cutters can be respectively ground and polished through the grinding wheel.

The above-mentioned improvement of the end mill grinding machine can be easily accepted by the user for repairing the damaged milling cutter by itself. However, with the development of industrial technology, the industry has begun to require the center of the milling cutter to be quiet. The thickness is adjusted to meet the processing requirements of the new state. Therefore, the inventor of the present invention still adheres to the spirit of excellence, and the above-mentioned end mill grinding machine is further improved to meet the modern processing requirements, and the invention is produced. .

The object of the present invention is to provide a milling cutter grinder capable of adjusting the center dead spot thickness, which can be adjusted according to the center dead spot thickness of the milling cutter and perform complete grinding repair, and can be applied to a wider range of grinding repairs. Milling cutter specifications.

In order to achieve the above object, the present invention provides an adjustable center point thickness milling cutter grinding machine, which comprises a base, and the base is provided with a plate body, and the plate system is provided with a shaft hole. Further, the base is further provided with a motor, and the motor has a power output shaft, the output shaft passes through the shaft hole and is connected with a grinding wheel, the grinding wheel has an abrasive surface, and the base is adjacent to the grinding wheel. There is a knife-edge grinding seat, a first knife-back grinding seat and a second knife-back grinding seat, and a central static-point grinding seat is directly arranged on the plate body corresponding to the grinding wheel, wherein the center is statically ground. The seat has a fixing seat, and one end of the fixing seat is fixed on the top surface of the plate body, and the other end of the fixing seat is extended along the axial direction of the output shaft and is suspended directly above the grinding wheel. The top surface of the fixing seat is provided with a sliding slot along the axial direction of the output shaft, and a sliding seat is arranged in the sliding slot, and the sliding seat is provided with a central static grinding hole from top to bottom. Having the sliding seat be fixed relative to the sliding slot Moving back and forth to adjust the distance between the central axis of the center static grinding hole and the grinding surface of the grinding wheel, and the sliding seat is provided with a plurality of positioning holes at a spacing ring around the central static grinding hole, and at least A central static point positioning member is disposed in a positioning hole.

The milling cutter grinding machine for adjusting the center dead spot thickness of the present invention is characterized in that the top surface of the fixing seat is provided with the sliding groove along the axial direction of the output shaft, and the sliding seat is slidably disposed in the sliding groove And the sliding seat is disposed at a plurality of positioning holes around the center static grinding hole, and the central static positioning member is disposed in the at least one positioning hole, so the user can first according to the milling cutter Adjusting the position of the center static point positioning member, and then adjusting the sliding seat to move back and forth along the sliding slot relative to the fixed seat, thereby adjusting the central axis of the center static grinding hole and the grinding wheel The distance between the grinding surfaces achieves the purpose of adjusting the center dead spot thickness, and the milling cutter grinder of the present invention can be applied to a wider range of milling cutter specifications.

Referring to FIG. 1, a perspective view of a preferred embodiment of the present invention discloses a milling cutter 100 that can adjust a center dead spot thickness. The milling cutter 100 mainly includes:

A base 10 is erected with a plate body 11 , and the plate body 11 is provided with a shaft hole 111 . The base 10 further includes a motor 12 , and the motor 12 has a power output shaft 121 . The output shaft 121 passes through the shaft hole 111 and is connected to a grinding wheel 13 having an abrasive surface 131.

a knife-edge grinding seat 20 is disposed on the base 10 adjacent to the right side of the grinding wheel 13, wherein the knife-edge grinding seat 20 has an adjusting table 21, and the adjusting platform 21 is pivotally provided with an L-shaped standing The seat 22 is provided with a knife edge grinding hole 23 in the direction of the grinding wheel 13, and at least one knife edge positioning member 24 is disposed around the knife edge grinding hole 23.

a first blade back grinding seat 30 is disposed on the base 10 adjacent to the left side of the grinding wheel 13, and the first blade back grinding seat 30 is provided with a first blade back grinding hole 31 toward the grinding wheel 13 and At least one first blade back positioning member 32 is disposed around the first blade back grinding hole 31.

a second blade back grinding seat 40 is disposed on the base 10 and located between the plate body 11 and the first blade back grinding seat 30, and the second blade back grinding seat 40 is disposed in the direction of the grinding wheel 13 There is a second blade back grinding hole 41, and at least one second blade back positioning member 42 is disposed around the second blade back grinding hole 41.

A central static spot grinding seat 50 is disposed on the plate body 11 directly above the grinding wheel 13, and is shown in Figures 2 and 3, which is a central static point of the preferred embodiment of the present invention. An exploded view and a cross-sectional view of the polishing seat, the central static grinding station 50 further includes:

A fixing base 51 has one end fixed to the top surface of the plate body 11 and the other end extending along the axial direction of the output shaft 121 to be suspended directly above the grinding wheel 13 and the top surface of the fixing base 51 A sliding slot 511 is formed along the axial direction of the output shaft 121. The sliding slot 511 is formed in a rectangular slot shape, and the slot bottom of the sliding slot 511 is further provided with a guiding slot 512, and the fixing base 51 is further disposed. A limiting hole 513 is defined around the sliding slot 511, and the fixing base 51 is provided with an adjusting hole 514 along the axial direction of the output shaft 121.

a sliding seat 52 is formed in a rectangular shape and slidably disposed on the sliding slot 511. The sliding seat 52 is provided with a central static grinding hole 521 from above and below, so that the sliding seat 52 can slide along the sliding seat 52. The slot 511 is moved forward and backward relative to the fixing base 51 to adjust the distance between the central axis of the central static grinding hole 521 and the grinding surface 131 of the grinding wheel 13, and the sliding seat 52 is further disposed corresponding to the guiding long hole 512. The guiding block 522 is slidably disposed on the guiding elongated hole 512, and a long hole 523 is defined in the corresponding limiting hole 513, and a screw hole 524 is defined in the corresponding adjusting hole 514. A plurality of positioning holes 525 are defined in the spacer ring 52 around the center static grinding hole 521.

A limiting bolt 53 is locked to the limiting hole 513 through the elongated hole 523. In addition to limiting the sliding range of the sliding seat 52 along the sliding slot 511, the sliding seat 52 can be tightened. With the fixing base 51, the sliding seat 52 cannot be moved relative to the fixing base 51.

An adjusting bolt 54 is threaded through the adjusting hole 514 to the screw hole 524 for screwing the sliding seat 52 to move back and forth along the sliding slot 511 relative to the fixing base 51.

At least one central static point positioning member 55 is selectively affixed to one of the positioning holes 525.

For a further understanding of the structural features of the present invention, the application of the technical means, and the intended effect, the manner of use of the present invention will be described. It is believed that the present invention may be more deeply and specifically understood as follows:

Please refer to FIG. 4 again, which is a schematic diagram of the use of the knife edge grinding seat according to the preferred embodiment of the present invention. The user only needs to first fix and fix a milling cutter 300 to be ground and repaired by using a collet nut 200, wherein The structure of the collet nut 200 and the method of clamping the positioning cutter 300 are conventional techniques, and therefore will not be described again, and then the collet nut 200 is directly placed in the grind hole 23, and The position of the collet nut 200 is fixed by the knife edge positioning member 24, so that the collet nut 200 does not rotate in the knife edge grinding hole 23, and finally the motor 12 is started to drive the grinding wheel 13 to rotate. The cutting edge of the milling cutter 300 is ground and polished by the grinding wheel 13.

Please refer to FIG. 5 and FIG. 6 at the same time, which is a schematic diagram of the use of the first blade back grinding seat of the preferred embodiment of the present invention, and a schematic diagram of the use of the second blade back grinding seat, when the user finishes the milling cutter. After the cutting edge of 300, if the milling cutter 300 is a two-blade milling cutter, the user can take out the collet nut 200 from the cutting edge grinding hole 23 and insert the first cutting back grinding hole 31 into the cutting edge. And fixing the position of the collet nut 200 by using the first blade back positioning member 32, so that the blade back of the milling cutter 300 can be repaired through the grinding wheel 13; and if the milling cutter 300 is a three-blade or The four-blade milling cutter can be used by the user to take out the chuck nut 200 from the knife-edge grinding hole 23 and insert the second blade back grinding hole 41, and fix the chuck screw with the second blade back positioning member 42. The position of the cap 200 is such that the back of the cutter 300 can be repaired by grinding the grinding wheel 13.

Please refer to FIG. 7 again, which is a schematic diagram of the use of the central static spot grinding seat of the present invention. When the user grinds the blade of the milling cutter 300, the user can use the first nut back of the collet nut 200. The grinding hole 31 or the second blade back grinding hole 41 is taken out, and the center static spot grinding hole 521 is inserted into the hole, and the center nut positioning member 55 inserted in the positioning hole 525 is used to fix the chuck nut. At the position of 200, the center point of the milling cutter 300 can be repaired by grinding the grinding wheel 13, and the grinding and repairing operation of the milling cutter 300 has been completed.

Please refer to FIG. 8 and FIG. 9 again, which is a schematic diagram of the adjustment of the central static spot grinding seat of the present invention, and an adjusted schematic view, since the top surface of the fixing base 51 is along the axial direction of the output shaft 121. The sliding slot 511 is disposed in the sliding slot 511, and the sliding seat 52 is disposed at a space around the central static grinding hole 521 to form a plurality of positioning holes 525. The center static spot positioning member 55 is disposed in the at least one positioning hole 525. Therefore, when the user wants to adjust the center dead spot thickness of the milling cutter 300, the center is adjusted according to the center static point angle of the milling cutter 300. The position of the positioning member 55 is fixed, and then the adjusting bolt 54 is rotated, and the adjusting bolt 54 is screwed to move the sliding seat 52 back and forth along the sliding slot 511 relative to the fixing base 51, thereby adjusting the center static grinding hole. When the distance between the central axis of the 521 and the grinding surface 131 of the grinding wheel 13 is to reduce the central static point thickness of the milling cutter 300, the central axis of the central static grinding hole 521 is close to the grinding surface 131 of the grinding wheel 13 To shorten the distance between each other, and vice versa when you want to increase the milling cutter 3 When the center of the 00 is at a static point thickness, the center axis of the center static grinding hole 521 is away from the grinding surface 131 of the grinding wheel 13 to increase the distance between each other, thereby making the milling cutter 100 of the present invention adjustable. The function of the center static thickness is applicable to the grinding cutter to repair a wider range of milling cutter 300 specifications.

It is worth mentioning that since the center static spot grinding repair of the milling cutter 300 must be very precise, it can be ensured that the various grinding performance of the milling cutter 300 reaches the original design standard, and therefore, the sliding groove 511 and the sliding seat 52 are passed through. Forming a rectangular groove and a rectangular shape corresponding to each other, and through the guiding elongated hole 512 and the guiding block 522, and locking through the long hole 523 through the limiting bolt 53 The hole 513 is designed to limit the sliding range of the sliding seat 52 along the sliding slot 511, so as to improve the stability of sliding of the sliding seat 52 in the sliding slot 511, and ensure that the sliding seat 52 is surely along the output. The shaft 121 slides in the axial direction.

Hereafter, the features of the present invention and its achievable efficacy are stated as follows:

The milling cutter 100 of the present invention is characterized in that the top surface of the fixing base 51 is disposed along the axial direction of the output shaft 131, and is disposed in the sliding slot 511. The sliding seat 52 has a plurality of positioning holes 525 spaced apart from the center of the center static grinding hole 521, and the center static positioning member 55 is disposed in the at least one positioning hole 525. The user can adjust the position of the center static point positioning member 55 according to the central static point angle of the milling cutter 300, and then adjust the sliding seat 52 to move back and forth along the sliding slot 511 relative to the fixed seat 51. Adjusting the distance between the central axis of the center static grinding hole 521 and the grinding surface 131 of the grinding wheel 13 to adjust the center dead spot thickness, so that the milling cutter 100 of the present invention can be applied to a wider range of grinding repairs. Milling cutter specifications.

In summary, the present invention has excellent advancement and practicability in similar products, and at the same time, the technical materials of such structures are frequently investigated at home and abroad, and the same structure is not found in the literature. The invention already has the invention patent requirements, and the application is filed according to law.

However, the above-mentioned ones are merely preferred embodiments of the present invention, and the equivalent structural changes of the present invention and the scope of the claims are intended to be included in the scope of the present invention.

100‧‧‧Cutter Grinder
10‧‧‧ Pedestal
11‧‧‧ board
111‧‧‧Axis hole
12‧‧‧ motor
121‧‧‧Output shaft
13‧‧‧ grinding wheel
131‧‧‧Grinding surface
20‧‧‧Knife Grinding Block
21‧‧‧ adjustment station
22‧‧‧stand
23‧‧‧Knife grinding hole
24‧‧‧Knife positioning parts
30‧‧‧First Knife Back Grinding Block
31‧‧‧First back grinding hole
32‧‧‧First knife back positioning
40‧‧‧second knife back grinding seat
41‧‧‧Second knife back grinding hole
42‧‧‧second knife back positioning
50‧‧‧Center static spot grinding seat
51‧‧‧ fixed seat
511‧‧‧ chute
512‧‧‧ Guided long hole
513‧‧‧Limited holes
514‧‧‧Adjustment hole
52‧‧‧Sliding seat
521‧‧‧Center static grinding hole
522‧‧‧guide block
523‧‧‧ long hole
524‧‧‧ screw holes
525‧‧‧Positioning holes
53‧‧‧Limit bolts
54‧‧‧Adjusting bolts
55‧‧‧Center static positioning device
200‧‧‧ collet nut
300‧‧‧ milling cutter

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of a preferred embodiment of the present invention. Figure 2 is an exploded view of the center-spot grinding station of the preferred embodiment of the present invention. Figure 3 is a cross-sectional view of a center-spot grinding station of a preferred embodiment of the present invention. Figure 4 is a schematic illustration of the use of a knife edge grinding station in accordance with a preferred embodiment of the present invention. Figure 5 is a schematic view showing the use of the first blade back grinding seat of the preferred embodiment of the present invention. Figure 6 is a schematic view showing the use of a second blade back grinding seat in accordance with a preferred embodiment of the present invention. Figure 7 is a schematic illustration of the use of a central static spot grinding station in accordance with a preferred embodiment of the present invention. Figure 8 is a schematic view showing the adjustment of the center static spot grinding base of the preferred embodiment of the present invention. Figure 9 is a schematic illustration of the use of the center-spot grinding station of the preferred embodiment of the present invention.

Claims (5)

A milling cutter grinding machine capable of adjusting a central static spot thickness, comprising: a base, wherein the base is provided with a plate body, the plate system is provided with a shaft hole, and the base is further provided with a motor And the motor has a power output shaft, the power output shaft passes through the shaft hole and is connected with a grinding wheel, the grinding wheel has a grinding surface, and the base is further provided with a knife grinding seat adjacent to the grinding wheel. a first blade back grinding seat and a second knife back grinding seat, and a central static spot grinding seat is disposed directly above the corresponding grinding wheel of the plate body, and the main feature is: the center static spot grinding base has a fixing seat And one end of the fixing seat is fixed on the top surface of the plate body, and the other end of the fixing seat extends along the axial direction of the output shaft and is suspended directly above the grinding wheel, and the top of the fixing seat A sliding slot is disposed along the axial direction of the output shaft, and a sliding seat is disposed in the sliding slot. The sliding seat is provided with a central static grinding hole from top to bottom, so that the sliding seat can be along The chute moves back and forth relative to the fixed seat to Adjusting a distance between a central axis of the center static grinding hole and a grinding surface of the grinding wheel, and the sliding seat is disposed at a space around the central static grinding hole to form a plurality of positioning holes, and at least one positioning hole A central static point positioning member is provided. The milling cutter grinder of the adjustable center dead spot thickness according to the first aspect of the invention, wherein the sliding groove of the fixing base forms a rectangular groove shape, and the sliding seat forms a rectangular shape. The milling cutter grinder of the adjustable center dead spot thickness according to the first aspect of the patent application, wherein the groove bottom of the chute is further provided with a guiding long hole, and the sliding seat corresponds to the guiding long hole. A guiding block is protruded, and the guiding block is slidably disposed on the guiding elongated hole. The milling cutter grinding machine according to the first aspect of the invention, wherein the fixing seat is provided with a limiting hole near the sliding groove, and the sliding seat is provided with a limiting hole corresponding to the limiting hole. A long hole is fixed to the limiting hole through a long hole through a limit bolt. The milling cutter grinding machine according to the first aspect of the invention, wherein the fixing seat is provided with an adjusting hole along an axial direction of the output shaft, and the sliding seat is corresponding to the adjusting hole setting. There is a screw hole and is screwed to the screw hole through an adjusting hole through an adjusting bolt.