TWM576942U - Face milling cutter grinding machine - Google Patents

Abstract

A face milling cutter grinding machine comprises a machine table, a grinding unit and a first limiting seat. A positioning plate of the machine has a first seat hole and a first positioning pin, the first limiting seat is detachably mounted on the first seat hole, and has a first limiting hole and a second limit a hole, and a stopper protruding from the top surface, when the first positioning pin is inserted into the first limiting hole, a blocking edge of the blocking block is parallel to a side edge of the positioning plate, When the first positioning pin is inserted into the second limiting hole, the blocking edge of the blocking block has an angle with the side edge. The same first limit seat can be used for grinding with a face milling cutter with different number of edge peaks, and the structure is simplified and the cost is reduced.

Description

Face milling cutter

The present invention relates to a grinding device for a tool, and more particularly to a face milling cutter.

There is a milling cutter grinding machine (for example, the Taiwan Patent No. M551546 patent). In order to grind various parts of the plane milling cutter, a motor is mounted on a machine base, and a grinding wheel driven by the motor is mounted. A knife edge grinding seat corresponding to the end face of the grinding wheel, a pair of first blade back grinding seats corresponding to the side edge of the grinding wheel, a pair of second blade back grinding seats corresponding to the side edges of the grinding wheel, and a central static spot grinding seat disposed at the top of the grinding wheel. Although this type of milling cutter can achieve the intended operation, but because the number of different edge peaks of the face milling cutter is different, such as two-blade, three-blade, four-blade, six-blade, etc., this milling cutter grinder is grounded by the first back. The mounting position and angle of the seat and the second back grinding seat are fixed, and the face milling cutter with different number of blade peaks cannot be applied.

In addition, the Taiwan Patent No. M529579 patent case has similar problems.

Furthermore, in the above two patents, in order to grind various parts of the face milling cutter, a plurality of grinding seats are arranged around the grinding wheel, which not only increases the number of components, increases the manufacturing assembly process, but also increases the manufacturing cost.

Therefore, the object of the present invention is to provide a face milling cutter grinding machine which can be used for grinding with a face milling cutter of different blade peak numbers.

Therefore, the new face milling cutter grinding machine is suitable for grinding a plurality of face milling cutters, the plane milling cutters extending along a center line and respectively being positioned by a chuck group, each of the plane milling cutters having a blade And a plurality of edge peaks disposed at the edge of the blade and spaced apart around the center line, the number of edge peaks of the plane milling cutters being unequal, the plurality of collet sets having a plurality of slots, the embedding of the collet groups The number of slots corresponds to the number of edge peaks of the face milling cutter of the bundle, and the face milling cutter comprises a machine table, a grinding unit and a first limiting seat. The machine has a bottom wall and a support frame connected to the bottom wall, the support frame has a positioning plate suspended above the bottom wall, the positioning plate has a side edge extending along a first axial direction a first seat hole disposed on one side of the side edge and a first positioning pin disposed on a side of the first seat hole. The grinding unit is mounted on the machine table adjacent to the support frame and includes a motor and a grinding wheel driven by the motor, the grinding wheel being located between the positioning plate and the bottom wall. The first limiting seat is detachably mounted on the first seat hole and has a hollow ring shape around an axis, and one of the chuck sets is nested and positioned. The first limiting seat has a bottom surface and an opposite a top surface of the bottom surface, a first limiting hole communicating from the bottom surface to the top surface, a second limit extending from the bottom surface toward the top surface and spaced apart from the first limiting hole by a predetermined angle around the axis a position hole, and a stopper protruding from the top surface, the stopper has a retaining edge, and the stopper can be nested and positioned for the slot of one of the chuck sets, the first positioning pin is inserted in the first When a limiting hole is in the middle, the blocking edge of the blocking block is parallel to the side edge, and when the first positioning pin is inserted into the second limiting hole, the blocking edge of the blocking block and the side edge have An angle.

The utility model has the advantages that the first and second limiting holes of the first limiting seat cooperate with the positioning pin, and the angular relationship between the blocking edge of the blocking block and the side edge can be changed, and the blade can be matched with different edges. The number of face milling cutters is ground and the structure is simplified and the cost is reduced.

Referring to FIG. 1 and FIG. 2, an embodiment of the novel face milling cutter grinding machine is suitable for performing grinding operations on a plurality of face milling cutters 1, 2, 3, and 4, and each of the plane milling cutters 1, 2, 3, and 4 A center line L1 extends and is respectively positioned by a chuck group 100, 200, 300, 400, each of the plane milling cutters 1, 2, 3, 4 having a blade end 101, 201, 301, 401, and a plurality Edges 102, 202, 302, 402 disposed at the edge 101, 201, 301, 401 and spaced around the centerline L1, the blade peaks 102, 202 of the face milling cutters 1, 2, 3, 4 The number of 302, 402 is not equal. In this embodiment, the blade peak 102 of a face milling cutter 1 is 2 blades, wherein the blade peak 202 of a plane milling cutter 2 is 3 blades, and the edge 302 of a plane milling cutter 3 is 4 blade, wherein the blade peak 402 of a face milling cutter 4 is 6 blades, and the chuck groups 100, 200, 300, 400 have a plurality of slots 110, 210, 310, 410, wherein the slot of the chuck group 100 The number of 110 is 2 (180 degrees apart) and is equal to the number of the blade peaks 102 of the face milling cutter 1 of the bundle, wherein the number of the slots 210 of the chuck set 200 is 3 (120 degrees apart) and is bundled with Edge of the face milling cutter 2 20 2 is equal in number, wherein the number of the slots 310 of the chuck set 300 is 4 (90 degrees apart) and is equal to the number of the edge 302 of the face milling cutter 3 of the bundle, wherein the number of the slots 410 of the chuck set 400 It is 6 (60 degrees apart) and is equal to the number of edge peaks 402 of the face milling cutter 4 of the bundle. The face milling cutter grinder includes a machine table 10, a grinding unit 20, a first limiting seat 30, a second limiting seat 40, a third limiting seat 50, and an end positioning unit 60.

The machine base 10 has a bottom wall 11 and a support frame 12 connected to the bottom wall 11 and having an inverted L shape. The support frame 12 has a riser plate 121 perpendicularly intersecting the bottom wall 11 and a vertical a positioning plate 13 intersecting the struts 121 and suspended above the bottom wall 11 , the positioning plate 13 has a side edge 131 extending along a first axial direction X and a side disposed on the side edge 131 a first hole 132, a first positioning pin 133 disposed on a side of the first hole 132, a second hole 134 disposed on a side of the first hole 132, and a second seat 134 disposed on the second seat 132 A second positioning pin 135 on one side of the hole 134. The distance between the second seat hole 134 and the side edge 131 is greater than the distance between the first seat hole 132 and the side edge 131.

The grinding unit 20 is mounted on the machine table 10 adjacent to the support frame 12 and includes a motor 21 and a grinding wheel 22 driven by the motor 21 . The grinding wheel 22 is located between the positioning plate 13 and the bottom wall 11 . The grinding wheel 22 is axially disposed on the riser 121 and has an inner end surface 221 parallel to the first axial direction X and facing the riser 121, an outer end surface 222 opposite to the inner end surface 221, and a connection a circumferential surface 223 between the periphery of the inner end surface 221 and the periphery of the outer end surface 222, the circumferential surface 223 has an enlarged diameter portion 224 corresponding to the outer end surface 222, and a side of the enlarged diameter portion 224 The narrow diameter portion 225. The structure of the grinding unit 20 is not a feature of the present invention.

The first limiting seat 30 is detachably mounted on the first seat hole 132 and has a hollow ring shape around an axis L2, and one of the chuck sets 100, 200, 300, 400 is nested and positioned. The limiting seat 30 has a bottom surface 31 opposite to the positioning plate 13, a top surface 32 opposite to the bottom surface 31, and a first limiting hole 33 connected to the top surface 32 by the bottom surface 31. a second limiting hole 34 extending from the bottom surface 31 toward the top surface 32 and spaced apart from the first limiting hole 33 by a predetermined angle around the axis L2, and a bottom surface 31 connected to the top surface 32 and interposed therebetween a third limiting hole 35 between the limiting hole 33 and the second limiting hole 34, and a stopper 36 protruding from the top surface 32, the stopper 36 having a block perpendicular to the top surface 32 Edge 361, the stop 36 is nested for nesting 110, 210, 310, 410 of one of the collet sets 100, 200, 300, 400.

The second limiting seat 40 is detachably mounted on the second seat hole 134. The second limiting seat 40 has a hollow ring shape around the axis L2 for one of the chuck sets 100, 200, 300, 400. The second limiting seat 40 has a bottom surface 41, a top surface 42 opposite to the bottom surface 41, and a positioning from the bottom surface 41 to the top surface 42 for insertion of the second positioning pin 135. a hole 43 and a stopper 44 protruding from the top surface 42. The stopper 44 can be nested for the nesting grooves 110, 210, 310, 410 of one of the chuck sets 100, 200, 300, 400. A first height h1 is formed between the bottom surface 41 and the top surface 42.

One of the second limiting seat 40 and the third limiting seat 50 is detachably mounted to the second seat hole 134. The third limiting seat 50 has a hollow ring shape around the axis L2. A chucking group 100, 200, 300, 400 is nested and positioned. The third limiting seat 50 has a bottom surface 51, a top surface 52 opposite to the bottom surface 51, and a bottom surface 51 connected to the top surface 52. a sliding hole 53 and a stopper 54 protruding from the top surface 52. The sliding hole 53 has an arc-shaped shape around the axis L2 and is relatively movable by the second positioning pin 135. The stopper 54 is available for one of the sliding holes 53. The slots 110, 210, 310, 410 of the collet set 100, 200, 300, 400 are nested and positioned, and the bottom surface 51 and the top surface 52 have a second height h2 that is smaller than the first height h1.

The end face positioning unit 60 is adjacent to the outer end surface 222 of the grinding wheel 22, and the end face positioning unit 60 can be mounted and positioned by the collet sets 100, 200, 300, 400, and the face milling cutters 1, 2, 3, The end faces of the blade ends 101, 201, 301, and 401 of 4 are polished. The end face positioning unit 60 is not the focus of the present invention, and the detailed structure is not described any more.

In order to further understand the functions, technical means, and expected effects of the cooperation of the various components of the present invention, the operation mode of the present invention will be described, and it is believed that the present invention can be more deeply and specifically understood.

Prior to the grinding, the face milling cutters 1, 2, 3, 4 have been aligned relative to the collet sets 100, 200, 300, 400, respectively, ie, the face milling cutters 1, 2 The blade peaks 102, 202, 302, 402 of 3, 4 have a fixed correspondence with the slots 110, 210, 310, 410 of the corresponding chuck sets 100, 200, 300, 400, respectively.

As shown in FIG. 3, when the operator wants to perform the grinding operation on the face milling cutter 1 having the two edge peaks 102, the first positioning pin 133 is first inserted into the first limit of the first limiting seat 30. In the hole 33, at this time, the retaining edge 361 of the stopper 36 is parallel to the side edge 131, and one of the fitting grooves 110 of the chuck set 100 and the stopper 36 are nested with each other, and one of the cutting edges 102 is formed. The knife peak 102 can be ground by aligning it with the outer end surface 222 of the grinding wheel 22. When the chuck set 100 is pulled up from the first limiting seat 30 and rotated 180 degrees around the axis L, the other slot 110 of the chuck set 100 and the stop 36 are embedded with each other. The sleeve 102 can be ground by aligning another cutter peak 102 separated by 180 degrees to the outer end surface 222 of the grinding wheel 22.

As shown in FIG. 4, when the operator performs a grinding operation on the face milling cutter 2 having three edge peaks 202, the first positioning pin 133 is inserted into the second limiting hole of the first limiting seat 30. 34, at this time, the angle between the retaining edge 361 of the stopper 36 and the side edge 131 is 60 degrees, and one of the slots 210 of the chuck set 200 and the stopper 36 are nested with each other, and A knife peak 202 is aligned with the outer end surface 222 of the grinding wheel 22 to grind the knife peak 202. When the chuck set 200 is pulled up from the first limiting seat 30 and rotated 120 degrees around the axis L2, the other slot 210 of the chuck set 200 and the stopper 36 are embedded with each other. The cutter peak 202 can be ground by aligning another cutter peak 202 that is 120 degrees apart from the outer end surface 222 of the grinding wheel 22. The three edge peaks 202 of the face milling cutter 2 can be ground in this manner.

As shown in FIG. 5, when the operator performs a grinding operation on the face milling cutter 3 having four edge peaks 302, the first positioning pin 133 is inserted into the first limiting hole of the first limiting seat 30. 33, at this time, the retaining edge 361 of the stopper 36 is parallel to the side edge 131, and one of the engaging grooves 310 of the chuck set 300 and the stopper 36 are nested with each other, and one of the cutting edges 302 is paired. The knife peak 302 can be ground by the outer end surface 222 of the grinding wheel 22. When the chuck set 300 is pulled up from the first limiting seat 30 and rotated 90 degrees around the axis L2, the other slot 310 of the chuck set 300 and the stopper 36 are embedded with each other. The sleeve 302 can be ground by aligning another 90-degree peak 302 to the outer end surface 222 of the grinding wheel 22. The four edge peaks 302 of the face milling cutter 3 can be ground by repeating this.

As shown in FIG. 6, when the operator performs a grinding operation on the face milling cutter 4 having the six edge peaks 402, the first positioning pin 133 is inserted into the third limiting hole of the first limiting seat 30. 35, at this time, the angle between the retaining edge 361 of the stopper 36 and the side edge 131 is 30 degrees, and one of the fitting grooves 410 of the chuck set 400 and the stopper 36 are nested with each other, and A knife peak 402 is aligned with the outer end surface 222 of the grinding wheel 22 to grind the knife peak 402. When the chuck set 200 is pulled up from the first limiting seat 30 and rotated 60 degrees around the axis L2, the other slot 410 of the chuck set 400 and the stopper 36 are embedded with each other. The sleeve 402 can be ground by aligning another knife peak 402 that is 60 degrees apart from the outer end surface 222 of the grinding wheel 22. The three edge peaks 402 of the face milling cutter 4 can be ground in this manner.

As shown in FIG. 2 and FIG. 7 , when the operator mounts the second limiting seat 40 to the second seat hole 134 and the second positioning pin 135 is inserted into the positioning hole 43 , the second position can be made. The limiting seat 40 is positioned relative to the positioning plate 13 . At this time, when the operator further nests one of the clamping sets 100 , 200 , 300 , 400 on the second limiting seat 40 , the blocking block 44 is utilized . One of the collet sets 100, 200, 300, 400 can be nested and positioned, and the blade ends 101, 201, 301, 401 of the face milling cutters 1, 2, 3, 4 can be abutted against the grinding wheel 22 The narrow diameter portion 225 of the circumferential surface 223 of the wheel is polished by a first escape angle.

As shown in FIG. 1 , FIG. 8 and FIG. 9 , when the operator replaces the third limiting seat 50 to the second seat hole 134 , and inserts the first positioning pin 135 into the sliding hole 53 , and operates The chuck set 100, which needs to perform the second escape angle grinding, is nested and positioned on the third limiting seat 50. The third limiting seat 50 can be used to drive the chuck set by the arrangement of the sliding hole 53. 100 and the clamped face milling cutter 1 are rotated relative to the positioning plate 13 and the grinding wheel 22, and the second height h2 of the third limiting seat 50 is smaller than the first height h1 of the second limiting seat 40. The role of the second escape angle grinding operation.

Therefore, the novel face milling cutter grinding machine utilizes the machine table 10, the grinding unit 20, the first limiting seat 30, the second limiting seat 40, the third limiting seat 50, and the end positioning unit The fit of the 60 can not only grind the parts of the face milling cutter, but also rotate the wheel to the different positions by using the first limit seat 30 with the axis L2 as the center of rotation, so that the face milling cutter with different number of blade peaks can be applied, so the overall structure It will be simpler and the operation of the transformation is quite easy.

In addition, the second limiting seat 40 and the third limiting seat 50 can be replaced with each other, and the angle of the escape angle can be performed at different angles, the number of components can be simplified, and the manufacturing cost can be reduced.

In addition, as shown in FIG. 1 and FIG. 2, a cutter cutting device 70, a milling cutter and a chucking device correction device 80 can be mounted on the machine table 10 as required, so that the new face milling cutter can be ground. The machine achieves the purpose of multifunctional use.

In summary, the novel face milling cutter grinding machine has the advantages of simple overall structure and easy assembly, and can achieve the purpose of the novel.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

1‧‧‧face milling cutter

101‧‧‧ blade end

102‧‧‧Edge Peak

2‧‧‧face milling cutter

201‧‧‧ blade end

202‧‧‧Edge Peak

3‧‧‧face milling cutter

301‧‧‧ blade end

302‧‧‧Edge Peak

4‧‧‧face milling cutter

401‧‧‧ blade end

402‧‧‧Edge Peak

L1‧‧‧ center line

100‧‧‧ chuck group

110‧‧‧Inlay

200‧‧‧ chuck group

210‧‧‧ slotted

300‧‧‧ chuck group

310‧‧‧ slotted

400‧‧‧ chuck group

410‧‧‧Inlay

10‧‧‧ machine

11‧‧‧ bottom wall

12‧‧‧Support frame

121‧‧‧Legs

13‧‧‧ Positioning board

131‧‧‧lateral edge

132‧‧‧ first hole

133‧‧‧First locating pin

134‧‧‧Second hole

135‧‧‧Second locating pin

20‧‧‧grinding unit

21‧‧‧Motor

22‧‧‧ grinding wheel

221‧‧‧ inside end

222‧‧‧Outer end face

223‧‧‧round circumference

224‧‧‧Expanding Department

225‧‧‧Narrow section

30‧‧‧First Limit Seat

L2‧‧‧ axis

31‧‧‧ bottom

32‧‧‧ top surface

33‧‧‧First limit hole

34‧‧‧Second limit hole

35‧‧‧ third limit hole

36‧‧‧blocks

361‧‧ ‧ rim

40‧‧‧Second limit seat

41‧‧‧ bottom

42‧‧‧ top surface

43‧‧‧Positioning holes

44‧‧ ‧block

H1‧‧‧first height

50‧‧‧ third limit seat

51‧‧‧ bottom

52‧‧‧ top surface

53‧‧‧Slide hole

54‧‧‧block

H2‧‧‧second height

60‧‧‧End face positioning unit

X‧‧‧first axial direction

70‧‧‧cutting device

80‧‧‧ calibration device

Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a perspective view of an embodiment of the present invention. Figure 3 is a schematic plan view of a top view of the embodiment, illustrating a first limit seat in a first state and suitable for a face milling cutter having a two-blade peak; Figure 4 is another plan view of the embodiment. The operation diagram shows that the first limiting seat is in a second state and is suitable for a face milling cutter having a three-blade peak. FIG. 5 is another schematic operation diagram of the embodiment, illustrating that the first limiting seat is located at the first The state is applicable to a face milling cutter having a four-blade peak; FIG. 6 is a schematic view of still another top view of the embodiment, illustrating that the first limiting seat is in a third state and is suitable for a face milling cutter having a six-blade peak; 7 is an incomplete side view of one of the embodiments, illustrating grinding a first escape angle; FIG. 8 is another incomplete side view of the embodiment, illustrating grinding a second escape angle; 9 is along Figure 8 A section of the line IX-IX.

Claims (8)

A face milling cutter grinder suitable for grinding a plurality of face milling cutters, wherein the face milling cutters extend along a center line and are respectively positioned by a chuck group, each of the plane milling cutters having a blade end, and a plurality of edge peaks disposed at the edge of the blade and spaced apart around the center line, the number of edge peaks of the plane milling cutters being unequal, the chuck groups having a plurality of slots, the number of slots of the chuck groups corresponding to The face milling cutter has the same number of blade peaks, and the face milling cutter comprises: a machine having a bottom wall and a support frame connected to the bottom wall, the support frame having a suspension a positioning plate above the bottom wall, the positioning plate has a side edge extending along a first axial direction, a first seat hole disposed on one side of the side edge, and a first side disposed on a side of the first seat hole a positioning unit; a grinding unit mounted on the machine table adjacent to the support frame, and including a motor, and a grinding wheel driven by the motor, the grinding wheel is located between the positioning plate and the bottom wall; a limit seat detachably mounted to the first seat a hollow ring shape around an axis, wherein one of the chuck sets is nested and positioned, the first limiting seat has a bottom surface, a top surface opposite to the bottom surface, and a first surface connected to the top surface a limiting hole, a second limiting hole extending from the bottom surface toward the top surface and spaced apart from the first limiting hole by a predetermined angle around the axis, and a stopper protruding from the top surface, the blocking The block has a retaining edge, and the block can be nested for the nesting of one of the collet sets. When the first positioning pin is inserted into the first limiting hole, the retaining edge of the block and the side edge thereof In parallel, when the first positioning pin is inserted into the second limiting hole, the blocking edge of the blocking block has an angle with the side edge. The face milling cutter grinder of claim 1, wherein the first positioning pin of the machine is inserted into the first limiting hole of the first limiting seat, and the blocking edge of the blocking block and the side When the edges are parallel, the number of edge peaks of the face milling cutter can be two, and the number of slots of the chuck group is two and 180 degrees apart. The face milling cutter grinder of claim 1, wherein the first positioning pin of the machine is inserted into the first limiting hole of the first limiting seat, and the blocking edge of the blocking block and the side When the edges are parallel, the number of edge peaks of the face milling cutter can be four, and the number of slots of the chuck group is four and 90 degrees apart. The face milling cutter grinder of claim 1, wherein the first positioning pin of the machine is inserted into the second limiting hole of the first limiting seat, and the blocking edge of the blocking block and the side When the angle between the edges is 60 degrees, the number of blade peaks of the face milling cutter can be three, and the number of slots of the chuck group is three, and is separated by 120 degrees. The face milling cutter grinder of claim 1, wherein the first limiting seat further has a bottom surface connected to the top surface and between the first limiting hole and the second limiting hole a third limiting hole, the first positioning pin of the machine is inserted into the third limiting hole of the first limiting seat, and an angle between the blocking edge of the blocking block and the side edge is 30 degrees In the case of a face milling cutter, the number of blade peaks can be six, and the number of slots in the chuck group is six and 60 degrees apart. The plane milling cutter grinding machine of claim 1, wherein the positioning plate of the machine further has a second seat hole disposed on one side of the first seat hole, and a side disposed on the second seat hole side a second positioning pin, the distance between the second seat hole and the side edge is greater than a distance between the first seat hole and the side edge, the face milling cutter grinder further comprising a detachably mounted to the first positioning hole a second limiting seat of the two holes, the second limiting seat is hollow ring-shaped around an axis, and one of the clamping sets is nested and positioned, the second limiting seat has a bottom surface and a opposite a top surface of the bottom surface, a positioning hole connected to the top surface by the bottom surface and insertable by the second positioning pin, and a stopper protruding from the top surface, the stopper being available for one of the chuck groups The slot is nested and positioned, and the bottom surface and the top surface have a first height. The face milling cutter grinder according to claim 6, wherein the face milling cutter grinder further comprises a third limiting seat, and the second limiting seat and the third limiting seat are detachably mounted In the second seat hole, the third limit seat has a hollow ring shape around an axis, and one of the chuck sets is nested and positioned. The third limit seat has a bottom surface and a top opposite to the bottom surface. a sliding hole extending from the bottom surface to the top surface, and a stopper protruding from the top surface, the sliding hole is arcuate around the axis and is movable relative to the second positioning pin, the blocking The block may be nested for nesting of one of the collet sets, the bottom surface having a second height less than the first height between the bottom surface and the top surface. The face milling cutter grinder according to claim 1, further comprising an end surface positioning unit adjacent to the grinding wheel, wherein the end surface positioning unit is capable of being mounted and positioned by the chuck group, and grinding the end faces of the plane milling cutters .