CN211332462U - Steering positioning device of milling cutter grinding machine - Google Patents

Abstract

The utility model provides a steering positioning device of a milling cutter grinding machine, which mainly comprises a base part and a steering adjusting part, wherein the base part is used for fixing a clamp for clamping a cutter, and a first adjusting rod and a second adjusting rod on the steering adjusting part can be selected according to a user for grinding a flat-blade milling cutter or a curved-blade milling cutter, so that the milling cutter grinding machine can be suitable for grinding the flat-blade milling cutter and the curved-blade milling cutter; in another embodiment, the third adjusting rod on the steering adjusting part can change the height thereof by a cam, and the height of the third adjusting rod can be suitable for grinding a flat-edge milling cutter and a curved-edge milling cutter.

Description

Steering and positioning device for milling cutter grinding machine

technical field

The utility model relates to the technical field of grinding machines for grinding milling cutters, in particular to a steering positioning device of a milling cutter grinding machine.

Background technique

Generally, a milling cutter will gradually become dull after being used for many times. Therefore, it is necessary to grind the milling cutter to make the cutting edge of the milling cutter sharp again; please refer to FIG. 11 is provided with a grinding device 12 , the grinding device 12 mainly has a positioning part 121 , a depth adjusting part (not shown) and a turning adjusting part 122 .

The positioning portion 121 has a positioning hole 1211, which is mainly used for the fixture to pass through and fix, and the milling cutter on the fixture extends into the grinding device 12 and abuts against the depth adjusting portion through the end face of the milling cutter (Fig. (not shown) to adjust the depth of the milling cutter clamped on the fixture; please refer to FIG. 2A , through one of the cutting edges of the milling cutter abutting against the steering adjusting portion 122 to adjust the milling cutter clamped on the fixture 's turning.

FIG. 2A shows that one of the cutting edges 21 of the flat-edged milling cutter 20 abuts against the steering adjusting portion 122 . The flat-edged milling cutter 20 mainly has four cutting edges 21 , and viewed from the end face of the flat-edged milling cutter 20 , the flat-edged milling cutter 20 mainly has a straight line. Or the reference rib 22 of the cross, when one of the cutting edges 21 of the flat edge milling cutter 20 abuts against the steering adjustment portion 122, the reference rib 22 will be parallel to the extension direction 123 of the steering adjustment portion 122, thereby confirming the flat edge milling The correctness of the angle of the knife 20 being clamped on the fixture; it is worth mentioning that if the reference rib 22 of the flat edge milling cutter 20 extends a base line 221 , the cutting edge 211 of the cutting edge 21 will overlap the base line 221 .

Please refer to FIG. 2B , in order to cope with various processing patterns, there is another curved edge milling cutter 30 on the market. The end face also has a reference rib 31 in the shape of a straight line or a cross, but the cutting edge 32 has a concave A concave portion 321, with the reference rib 31 of the curved edge milling cutter 30 extending a base line 311, it can be known that there is a fault distance 33 between the cutting edge 322 of the curved edge milling cutter 30 extending to the base line 311 at the shortest distance, and The error value between the second distance 733 and the first distance 723 is approximately equal to the fault distance 33 , so that when the cutting edge 322 of the curved edge milling cutter 30 abuts against the steering adjusting portion 122 , the baseline of the curved edge milling cutter 30 will It is inclined and cannot be parallel to the extending direction 123 of the steering adjusting portion 122 , thereby causing the steering deviation of the curved edge milling cutter 30 clamped on the fixture.

In view of this, it is indeed necessary to provide a technical means to solve the problem that the curved edge milling cutter 30 cannot adjust its steering angle correctly.

Utility model content

The purpose of the utility model is to solve the problem that the curved edge milling cutter cannot adjust the steering angle correctly.

In order to solve the aforementioned problems, the first embodiment of the present invention is a steering positioning device for a milling cutter grinding machine, which is suitable for a fixture for clamping a tool, and the steering positioning device for the milling cutter grinding machine includes: :

a base with a positioning hole for fixing the cutter;

A steering adjusting part has an adjusting groove, a first adjusting rod or a second adjusting rod is arranged in the adjusting groove, the first adjusting rod has a first top surface and a first bottom surface, the first adjusting rod The top surface extends to the first bottom surface for a first distance, the second adjusting rod has a second top surface and a second bottom surface, and the second top surface extends to the second bottom surface as a second distance, the first distance is smaller than the second distance, and the first top surface or the second top surface is used for the tool to abut; by choosing to use the first adjustment rod or the The second adjustment bar, to deal with the flat edge milling cutter or curved edge milling cutter.

In a preferred embodiment, when the cutter is a curved edge milling cutter, the shortest distance between the cutting edge of the cutter and the base rib is an error distance, and the depth of the abutting groove on the first adjusting rod is equal to the error distance.

In order to solve the aforementioned problems, in the second embodiment, the present invention is a steering positioning device of a milling cutter grinding machine, which is suitable for a fixture for clamping a tool, and the steering positioning device of the milling cutter grinding machine, Include:

a base with a positioning hole for fixing the cutter;

A steering adjustment part has an adjustment slot, a third adjustment rod is arranged in the adjustment slot, a cam is arranged in the adjustment slot, and the cam has a flat part with the shortest diameter and a high part with the longest diameter , by rotating the cam, the flat part or the high part abuts against the third adjustment rod, so that the third adjustment rod is located in a lowered position or a raised position; by the The cam adjusts the position of the third adjusting rod, so that the position of the third adjusting rod can be properly adjusted according to the flat-edge milling cutter and the curved-edge milling cutter.

In a preferred embodiment, a handle is provided on the side of the steering adjusting portion to connect the cam.

In a preferred embodiment, the handle has a grip portion and a screw-lock portion, and the cam has a screw hole, the screw-lock portion is fixedly engaged with the screw hole, and the user can rotate the grip to adjust the steering position of the cam.

Therefore, in the first embodiment, the user can adjust the use of the first adjusting rod or the second adjusting rod according to the different tools to be ground, so that the tools of the curved edge milling cutter or the flat edge milling cutter can be adjusted and used. The steering can be positioned correctly; in a second embodiment, the user can turn the handle to adjust the position of the cam, and thus the position of the third adjustment rod, to allow the cutter of a curved or flat-edged cutter Able to position the steering correctly.

Description of drawings

FIG. 1 is a perspective view of a conventional milling cutter grinder.

FIG. 2A is a front view of a flat-edged milling cutter abutting a turning locating portion on the milling cutter grinder.

FIG. 2B is a front view of the curved edge milling cutter abutting the turning positioning portion on the milling cutter grinding machine.

Fig. 3 is a perspective view of the first embodiment of the present invention where the steering positioning device is assembled with a first adjusting rod.

FIG. 4 is a front view of the flat edge milling cutter abutting against the first adjusting rod.

FIG. 5 is a perspective view of the second adjusting rod assembled with the steering positioning device in the first embodiment of the present invention.

FIG. 6 is a front view of the curved edge milling cutter abutting against the first adjusting rod.

FIG. 7 is an exploded perspective view of the present invention in the second embodiment.

Figure 8 is a schematic view of the flat portion of the cam in a lowered position against the third adjustment rod.

FIG. 9 is a schematic view of the high portion of the cam in a raised position against the third adjustment rod.

Symbol Description

Pedestal 11

Grinding device 12

Positioning section 121

Locating hole 1211

Steering Adjustment 122

extension direction 123

Flat edge milling cutter 20

Blade 21

Blade tip 211

datum rib 22

Baseline 221

Curved edge cutter 30

Benchmark Rib 31

Baseline 311

Blade 32

Recess 321

Blade tip 322

Fault distance 33

Cutter 40

Flat edge milling cutter 41

Blade tip 411

datum rib 412

Curved edge cutter 42

Blade tip 421

datum rib 422

Error distance 423

Fixtures 50

base 60

Locating hole 61

Steering Adjustment 70

Adjustment slot 71

Deep groove 711

first adjustment rod 72

first top 721

first bottom surface 722

first distance 723

Abutment groove 724

Second Adjustment Rod 73

Second top 731

Second bottom surface 732

Second distance 733

Cam 74

Hirabe 741

Takabe 742

Tap 743

Grip 75

Grip 751

Screw part 752

Third rod 76

Third bottom surface 761

Third Top 762

Lower position Q1

Lifting position Q2

Detailed ways

A steering positioning device of a milling cutter grinding machine is suitable for a fixture 50 for clamping a tool 40, and the steering positioning device of the milling cutter grinding machine mainly has a base portion 60 and a steering adjustment portion 70:

The base 60 has a positioning hole 61 , the tool 40 is clamped in the clamp 50 , and the clamp 50 is assembled and fixed in the positioning hole 61 ;

The steering adjusting portion 70 has an adjusting groove 71, and a first adjusting rod 72 or a second adjusting rod 73 is slidably disposed in the adjusting groove 71. The first adjusting rod 72 has a first top surface 721 and a The first bottom surface 722, the first top surface 721 extends to the first bottom surface 722 by a first distance 723, the second adjusting rod 73 has a second top surface 731 and a second bottom surface 732, the second top surface 731 extends to the second bottom surface 732 for a second distance 733, the first distance 723 is smaller than the second distance 733, and the first top surface 721 or the second top surface 731 is used for the tool 40 to abut against.

Please refer to FIG. 3 and FIG. 4 , in this embodiment, an abutting groove 724 is recessed on the first top surface 721 of the first adjusting rod 72 , and the bottom of the abutting groove 724 extends to the first bottom surface The distance of 722 is the first distance 723; thus, when the first adjusting rod 72 is used, the tool 40 held in the fixture 50 can be the flat-edged milling cutter 41, and the first distance 723 is the same as the first distance 723. The correct turning distance of the flat milling cutter 41 is the same, so that when the cutting edge 411 of the flat milling cutter 41 abuts against the bottom surface of the abutting groove 724, the reference rib 412 of the cutter 40 can maintain a horizontal state.

Please refer to FIG. 5 and FIG. 6 , in this embodiment, the tool 40 is clamped on the fixture 50 , and the fixture 50 is assembled in the positioning hole 61 , and the tool 40 is a curved edge milling cutter 42 at this time. Since the second distance 733 of the second adjusting rod 73 is the same as the correct turning distance of the curved edge milling cutter 42 , when the cutting edge 421 of the curved edge milling cutter 42 abuts against the second top surface 731 , the cutter 40 The reference rib 422 can maintain a horizontal state.

In detail, when the cutter 40 is the curved edge milling cutter 42 , the shortest distance from the cutting edge 421 of the cutter 40 to the base rib 422 is an error distance 423 , the first adjusting rod 72 and the second adjusting rod 73 and the thickness of the second adjusting rod 73 corresponds to the turning distance of the curved edge milling cutter 42. When the cutter 40 is replaced with the flat edge milling cutter 41 and replaced with the first adjusting rod 72, the first adjusting rod 72 The depth of the upper abutting groove 724 is equal to the error distance 423 , so that the reference rib can be maintained in a horizontal state when the cutting edge of the flat-edged milling cutter 41 abuts against the bottom surface of the abutting groove 724 .

Referring to FIG. 7 , in the second embodiment, a deep groove 711 is recessed at the bottom of the adjusting groove 71 of the steering adjusting portion 70 . A cam 74 is arranged in the deep groove 711 , and the side surface of the steering adjusting portion 70 A handle 75 is connected to the cam 74. The cam 74 has a flat portion 741 with the shortest diameter and a high portion 742 with the longest diameter. When the handle 75 is rotated, the flat portion 741 or the high portion can be operated. 742 abuts against the groove bottom of the deep groove 711; please refer to FIG. 8, the steering adjusting part 70 is fixedly using a third adjusting rod 76, and a third bottom surface 761 of the third adjusting rod 76 abuts against the cam 74, When the flat portion 741 abuts against the bottom surface of the deep groove 711, due to the short diameter of the flat portion 741, the third adjusting rod 76 is located at a lowered position Q1, and a third adjusting rod 76 is located at a lower position Q1. The height of the top surface 762 is suitable for the flat-edged milling cutter 41 , so that when the flat-edged milling cutter 41 abuts against the third top surface 762 , its turning position can be confirmed, thereby confirming the relationship between the cutter 40 and the fixture 50 . Steering position.

Referring to FIG. 9 , when the handle 75 is rotated to adjust the cam 74 so that the high part 742 of the cam 74 abuts against the bottom surface of the deep groove 711 , the diameter of the high part 742 is longer, so that the third The adjusting rod 76 is raised to a raised position Q2, and the height of the third top surface 762 of the third adjusting rod 76 is suitable for the curved edge milling cutter 42, thereby allowing the curved edge milling cutter 42 to abut against the first When the top surface 762 is three, its turning position can be confirmed, and the turning position between the tool 40 and the jig 50 can be confirmed.

Preferably, the handle 75 has a grip portion 751 and a screw lock portion 752, and the cam 74 has a screw hole 743, the screw lock portion 752 is fixedly engaged with the screw hole 743, and the user can rotate the screw hole 743. The grip portion 751 is used to adjust the steering position of the cam 74 .

The above is the structural configuration and the connection relationship in the first and second embodiments of the present invention.

Please refer to FIG. 3 and FIG. 4 , in the first embodiment, when the user wants to grind the tool 40 of the flat-edge milling cutter 41, the first adjusting rod 72 is first assembled on the steering adjusting portion 70, so that the A bottom surface 722 faces the base 60, the tool 40 is clamped in the fixture 50, and the cutting edge 411 of the tool 40 of the flat edge milling cutter 41 abuts against the groove bottom of the abutting groove 724; An adjusting rod 72 is installed on the abutting groove 724, so that the distance from the first bottom surface 722 to the bottom surface of the abutting groove 724 is shortened, so that the position of the groove bottom of the abutting groove 724 is suitable for the corresponding flat edge milling cutter The position of the cutting edge 411 of the 41 makes the base rib 412 of the flat edge milling cutter 41 parallel to the axial direction of the first adjusting rod 72 .

Please refer to FIG. 5 and FIG. 6 , when the user wants to grind the cutter 40 of the curved edge milling cutter 42 , the second adjusting rod 73 is first assembled on the steering adjusting portion 70 so that the second bottom surface 732 faces the base portion 60 . , and the tool 40 is clamped in the fixture 50, and the cutting edge 421 of the tool 40 of the curved edge milling cutter 42 abuts against the second top surface 731; since the second top surface 731 extends to the second bottom surface The distance of 732 is suitable for the curved edge milling cutter 42. When the blade tip 421 of the curved edge milling cutter 42 abuts against the second top surface 731, the basic rib 422 of the curved edge milling cutter 42 and the second adjusting rod 73 axis is parallel.

In the second embodiment, please refer to FIG. 8 , when the user wants to grind the tool 40 of the flat-edged milling cutter 41 , the user can rotate the handle 75 and adjust the turning position of the cam 74 so that the flat portion of the cam 74 can be adjusted. 741 abuts against the groove bottom of the deep groove 711 , so that the third adjusting rod 76 is located at the lowered position Q1 . At this time, the position of the third top surface 762 of the third adjusting rod 76 is suitable for the flat edge milling cutter 41 .

Please refer to FIG. 9 , when the user wants to grind the cutter 40 of the curved edge milling cutter 42 , the user can rotate the handle 75 and adjust the turning position of the cam 74 so that the high portion 742 of the cam 74 abuts against the deep groove 711 , so that the third adjusting rod 76 is located at the raised position Q2 . At this time, the position of the third top surface 762 of the third adjusting rod 76 is suitable for the curved edge milling cutter 42 .

Thereby, in the first embodiment, the user can adjust and use the first adjusting rod 72 or the second adjusting rod 73 according to the different grinding tools 40, so that the curved edge milling cutter 42 or the flat edge milling cutter 42 can be adjusted and used. The knife 40 of the knife 41 can be correctly positioned and turned; in the second embodiment, the user can turn the handle 75 to adjust the position of the cam 74, and then adjust the position of the third adjustment rod 76 to make the curved edge The cutter 40 of the milling cutter 42 or the flat-edged milling cutter 41 can be correctly positioned and turned.

Claims (6)

1. A steering positioning device of a milling cutter grinder, suitable for a fixture for clamping a tool, the tool has a basic rib, and the blade tip of the tool extends to the basic rib with the shortest distance. A fault distance, characterized in that the steering positioning device of the milling cutter grinding machine includes: a base with a positioning hole for fixing the cutter; A steering adjusting part has an adjusting groove, a first adjusting rod or a second adjusting rod is arranged in the adjusting groove, the first adjusting rod has a first top surface and a first bottom surface, the first adjusting rod The top surface extends to the first bottom surface for a first distance, the second adjusting rod has a second top surface and a second bottom surface, and the second top surface extends to the second bottom surface as a second distance, the first distance is smaller than the second distance, and the error value between the second distance and a distance is approximately equal to the fault distance, and the first top surface or the second top surface for the tool to abut against. 2 . The steering positioning device of a milling cutter grinding machine according to claim 1 , wherein when the cutter is a curved edge milling cutter, the shortest distance between the cutting edge of the cutter and the base rib is an error. 3 . The depth of the abutting groove on the first adjusting rod is equal to the error distance. 3 . The steering positioning device of a milling cutter grinding machine according to claim 1 , wherein a contact groove is concavely formed on the first top surface of the first adjusting rod, and the bottom of the abutment groove is recessed. 4 . The distance extending to the first bottom surface is the first distance. 4. A steering positioning device of a milling cutter grinding machine, suitable for a fixture for clamping a tool, and the steering positioning device of the milling cutter grinding machine is characterized in that, comprising: a base with a positioning hole for fixing the cutter; A steering adjusting part has an adjusting groove, a third adjusting rod is arranged in the adjusting groove, a deep groove is recessed in the bottom of the adjusting groove, and a cam is arranged in the deep groove, and the cam has a diameter A flat part with the shortest length and a high part with the longest diameter, by rotating the cam, the flat part or the high part abuts against the third adjusting rod, so that the third adjusting rod in a lowered position or in a raised position. 5 . The steering positioning device of a milling cutter grinding machine according to claim 4 , wherein the side surface of the steering adjusting portion is provided with a handle to connect the cam. 6 . 6 . The steering positioning device of a milling cutter grinding machine according to claim 5 , wherein the handle has a grip portion and a screw lock portion, and the cam has a screw hole, and the screw lock portion In fixed engagement with the screw holes, the user can adjust the turning position of the cam by rotating the grip portion.

Images