CN209867492U

CN209867492U - Three-edge milling cutter

Info

Publication number: CN209867492U
Application number: CN201920545067.1U
Authority: CN
Inventors: 刘汉成
Original assignee: Shanghai Handi Mechanical Equipment Co Ltd
Current assignee: Shanghai Handi Mechanical Equipment Co Ltd
Priority date: 2019-04-19
Filing date: 2019-04-19
Publication date: 2019-12-31
Anticipated expiration: 2029-04-19

Abstract

The utility model discloses a trilateral sword milling cutter relates to machining cutting tool, including blade disc and the blade that blade disc outer fringe week side set up, the spout has been seted up to blade disc outer fringe week side, and the spout radially sets up along the blade disc, is provided with the cutter holder that is used for the centre gripping blade in the spout, and the cutter holder is the setting of sliding in the spout, still is provided with on the blade disc to be used for dismantling the fixed subassembly of stationary knife clamp in the spout. The utility model provides a use is convenient, and application scope is big, long service life, the radial adjustable trilateral sword milling cutter who improves processingquality of blade.

Description

Three-edge milling cutter

Technical Field

The utility model relates to a machining cutting tool technical field, specific theory, it relates to a trilateral sword milling cutter.

Background

The three-sided edge milling cutter has a main cutting edge on the circumferential surface and also has auxiliary cutting edges on both side surfaces, thereby improving cutting conditions, improving cutting efficiency and reducing surface roughness. The three-edge milling cutter is mainly used for milling grooves with fixed sizes and can also be used for milling common grooves, step faces and side faces.

The utility model discloses a current patent grant publication number is CN 203343509U's utility model discloses a trilateral sword milling cutter, including the cutter body, the central axis department of cutter body has seted up the through-hole, and outer periphery interval and evenly distributed of cutter body have the sword tooth. In practical use, a worker directly installs the three-edge milling cutter on a machine tool to cut and process an object to be processed.

In the using process, when the cutting edge is seriously worn, the cutting edge needs to be polished and then utilized, but the tool points are uneven after polishing, so that the accuracy of the radial dimension of a processed object is low, or the surface quality of the processed groove bottom is reduced, and the position to be improved exists.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims at providing a three-edge milling cutter utilizes the cutter holder to slide and sets up in the spout, adjusts each blade, makes the knife tip be in on same circumference, helps improving the precision of processing article radial dimension, improves processingquality.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a three-edge milling cutter, includes blade disc and the blade that blade disc outer fringe week side set up, the spout has been seted up to blade disc outer fringe week side, the spout radially sets up along the blade disc, be provided with the cutter holder that is used for the centre gripping blade in the spout, the sword presss from both sides and is the setting of sliding in the spout, still be provided with on the blade disc and be used for dismantling the fixed subassembly of stationary knife clamp in the spout.

Through adopting above-mentioned technical scheme, in the in-service use, the staff can be according to the wearing and tearing condition of each blade, to wearing and tearing serious blade, after carrying out the blade and polishing, can correspond the cutter holder that adjusts its place, make this cutter holder slide and reach the assigned position along the radial direction of blade disc in the spout to the knife tip that makes each blade is in same circumference, then fixes the cutter holder that finishes in the spout through fixed subassembly. By the method, the accuracy of the radial dimension of the processed object is improved, and the processing quality is improved.

The utility model discloses further set up to: a waist-shaped groove is formed in the wall of the sliding groove in a penetrating mode and is arranged along the radial direction of the cutter head; the fixing assembly comprises a fastening bolt, the fastening bolt penetrates through the waist-shaped groove to be in threaded connection with the tool holder, and the fastening bolt is arranged in the waist-shaped groove in a sliding mode.

Through adopting above-mentioned technical scheme, utilize along radial waist type groove and the fastening bolt that sets up of blade disc, this kind of regulative mode, simple structure easily realizes, and the staff can be directly through loosening fastening bolt soon, along waist type groove length direction adjustment tool holder that slides, and then realizes the regulation of blade radial position, improves trilateral sword milling cutter's use convenience greatly.

The utility model discloses further set up to: the cutter head is characterized in that a fastening groove is further formed in the cutter head and is communicated with the sliding groove, a first wedge block used for abutting against the cutter holder is arranged in the fastening groove, and the first wedge block is fixed on the cutter head through a bolt.

Through adopting above-mentioned technical scheme, set up first voussoir in the spout, utilize first voussoir to make it support tight cutter holder, the rethread bolt is fixed first voussoir in the spout to further fix the cutter holder in the spout, improve the stability of cutter holder in the spout greatly.

The utility model discloses further set up to: the outer wall of the cutter holder is provided with a first anti-slip thread for assisting in fixing the cutter holder.

Through adopting above-mentioned technical scheme, utilize to set up first anti-skidding line on the cutter holder outer wall, improve the coefficient of friction on cutter holder surface, when making it support tightly with the spout, increase the frictional force of cutter holder and spout helps guaranteeing the stability of cutter holder in the spout.

The utility model discloses further set up to: the lines of the first anti-slip lines on the adjacent outer wall of the tool holder are respectively provided with radial lines and axial lines.

Through adopting above-mentioned technical scheme, utilize the radial line and the axial line that set up to help guaranteeing the radial and axial stability of cutter clamp at the blade disc. In this way, the stability of the tool holder in the slide groove is greatly increased.

The utility model discloses further set up to: and second anti-skid grains used for matching with the first anti-skid grains are arranged on the inner wall of the sliding groove.

Through adopting above-mentioned technical scheme, utilize the second anti-skidding line that sets up, the coefficient of friction of greatly increased spout inner wall, and make it correspond the cooperation with first anti-skidding line, further improve the frictional force between cutter holder and the spout to greatly improve the stability of cutter holder in the spout.

The utility model discloses further set up to: the cutter holder is provided with a blade mounting groove, the blade mounting groove is arranged on the cutter holder along the radial direction of the cutter head, and the blade is embedded in the blade mounting groove and is arranged in a sliding manner; and a fixing piece for fixing the blade is arranged in the blade mounting groove.

By adopting the technical scheme, the blades are arranged in the blade mounting grooves in a sliding manner, so that when the cutter is used, after a worker finds that the cutter is worn, the cutter can directly slide in the blade mounting grooves to enable the cutter to be positioned at the same circumferential line position with other blades. When the tool holder reaches the maximum adjusting position in the chute, the position of the blade can be adjusted, so that the adjusting range of the blade in the radial direction of the cutter head is further expanded. By the mode, the application range of the three-edge milling cutter is greatly enlarged.

The utility model discloses further set up to: the fixing piece is a second wedge block, a abutting block is arranged between the second wedge block and the blade, the abutting block is respectively abutted against the second wedge block and the blade, and the second wedge block is fixed in the blade mounting groove through a bolt.

Through adopting above-mentioned technical scheme, utilize the second voussoir and support tight piece and support tight blade, the inclined plane of second voussoir supports tightly with the inclined plane of supporting tight piece, thereby supports tightly supporting tight piece fixed blade through the second voussoir, and the rethread bolt is fixed the second voussoir, and this kind of fixed mode improves blade stability greatly.

The utility model discloses further set up to: the utility model discloses a blade mounting groove, including blade mounting groove, the blade mounting groove is fixed with the blend stop, be fixed with the blend stop in the blade mounting groove, the blend stop forms the constant head tank that is used for placing the blade with blade mounting groove inner wall.

Through adopting above-mentioned technical scheme, the constant head tank that the blend stop that utilizes to set up and blade mounting groove inner wall to form, the staff can directly place the blade in the constant head tank, tentatively places the blade, fixes the blade after that, improves the convenience of laying of blade greatly.

The utility model discloses further set up to: and a spindle hole is formed in the cutter head.

By adopting the technical scheme, the cutter head is provided with the spindle hole, so that the cutter head can be suitable for a standard machine tool.

To sum up, the utility model discloses following beneficial effect has:

1. the cutter head is provided with a chute along the radial direction of the cutter head and a cutter holder arranged in the chute in a sliding manner, and the position of the cutter holder in the chute is adjusted to drive the cutter blade, so that the cutter point is at the same height position, and the processing quality of the radial size of a processed object is improved;

2. the first wedge blocks, the first anti-slip lines and the second anti-slip lines which are arranged on the outer wall of the cutter holder and the inner wall of the sliding groove are utilized, so that the stability of the cutter holder in the sliding groove is greatly improved, and the processing quality of the three-edge milling cutter is favorably ensured;

3. the utilization sets up waist type groove and complex fastening bolt on the spout, realizes the regulation and the fixing of sliding of cutter holder in the spout, improves three-sided sword milling cutter's use convenience greatly.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention taken along a shaft;

fig. 2 is an exploded view of a three-edge milling cutter according to the present invention;

fig. 3 is a schematic view of the cutter holder structure of the three-edge milling cutter of the present invention.

Reference numerals: 1. a cutter head; 2. a chute; 3. a tool holder; 4. a blade; 5. a waist-shaped groove; 6. fastening a bolt; 7. a fastening groove; 8. a first wedge; 9. a first anti-skid pattern; 10. a second anti-skid pattern; 11. a blade mounting groove; 12. blocking strips; 13. positioning a groove; 14. a second wedge; 141. a propping block; 15. a spindle bore; 151. a through hole; 152. a keyway.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1, a three-edge milling cutter comprises a cutter head 1, wherein the cutter head 1 is disc-shaped. The centre of a circle position of the cutter head 1 penetrates through the cutter head 1 and is provided with a spindle hole 15 for being fixed on a spindle, and the spindle hole 15 comprises a circular through hole 151 and a key groove 152 hole communicated with the through hole 151. The periphery of the cutter head 1 is provided with a chute 2, and the chute 2 is arranged along the radial direction of the cutter head 1. The chutes 2 are evenly distributed on the circumferential side of the cutter head 1 at intervals.

Be provided with cutter holder 3 in the spout 2, cutter holder 3 can be rectangular block shape, and cutter holder 3 inlays and establishes in spout 2, is the setting of sliding. The sliding groove 2 is also provided with a fixing component for detachably fixing the tool holder 3 in the sliding groove 2. And one side of the tool holder 3 departing from the circle center of the cutter head 1 is provided with a blade 4.

In practical use, a worker can directly adjust the position of the tool holder 3 in the sliding groove 2, so that the position of the tool nose away from the circle center of the tool disc 1 of the blade 4 is changed, the tool nose is ensured to be on the same circumference, and the machining precision of three edges is greatly improved.

With reference to fig. 2, a waist-shaped groove 5 is formed in the outer wall of one side of the sliding groove 2, the waist-shaped groove 5 is formed in the sliding groove 2 along the radial direction of the cutter head 1, and the waist-shaped groove 5 penetrates through the outer wall of the sliding groove 2 and is communicated with the sliding groove 2. Wear to establish waist type groove 5 and be provided with fastening bolt 6, fastening bolt 6 is close to the one end in the spout 2 and passes through threaded connection tool holder 3, and it is fixed to realize dismantling, and fastening bolt 6 is fixed subassembly promptly. Fastening groove 7 has still been seted up on the circumference week side of blade disc 1, and fastening groove 7 sets up along the radial direction of blade disc 1, and fastening groove 7 is close to 2 one sides of spout and spout 2 intercommunication settings. The fastening groove 7 is provided with a first wedge block 8, the first wedge block 8 is embedded in the sliding groove 2, and one side of the first wedge block 8, which is close to the tool holder 3, is tightly abutted to the outer wall of the tool holder 3. Wear to establish first voussoir 8 through the bolt and fix it with 1 threaded connection of blade disc, and the bolt is worn to establish first voussoir 8 along 1 radial direction of blade disc and is fixed it on blade disc 1.

As shown in the attached drawing 2, the outer wall of the cutter holder 3 is carved with a first anti-slip pattern 9, and the lines of the first anti-slip pattern 9 on the outer walls of two sides of the cutter holder 3 in the width direction are arranged along the radial direction of the cutter head 1; the lines of the first anti-slip lines 9 on the outer wall of the tool holder 3 in the length direction and far away from the first wedge block 8 are arranged along the axial direction of the cutter head 1. Be carved with second anti-skidding line 10 on 2 inner walls of spout, the line of second anti-skidding line 10 sets up with the line syntropy of first anti-skidding line 9, and first anti-skidding line 9 and second anti-skidding line 10 inlay each other and establish formation cooperation setting, effectively avoids the relative slip to appear in spout 2 in cutter holder 3, improves the stability of cutter holder 3 when using.

Referring to fig. 3, a blade mounting groove 11 is formed in one side of the tool holder 3 away from the center of the cutter head 1, and the blade mounting groove 11 is a rectangular groove. The width direction is fixed with rectangular blend stop 12 on 11 inner walls of blade mounting groove, blend stop 12 and 11 its length direction's of blade mounting groove a lateral wall parallel arrangement, and blend stop 12 sets up in the notch department of mounting groove, forms constant head tank 13 with 11 inner walls of blade mounting groove. So that when the blade 4 is installed, the positioning and placement of the blade 4 in the mounting groove can be achieved directly by placing the blade 4 in the positioning groove 13.

A second wedge block 14 is also arranged in the blade mounting groove 11, and the second wedge block 14 is embedded in the blade mounting groove 11. A propping block 141 is arranged between the second wedge block 14 and the blade 4, and the propping block 141 is respectively propped against the second wedge block 14 and the blade 4. The second wedge block 14 is arranged through a bolt in a penetrating mode to be fixed in the tool holder 3 in a threaded connection mode, and the bolt penetrates through the second wedge block 14 along the radial direction of the cutter head 1.

The working principle of the embodiment is as follows:

in actual use, a worker selects the severely worn blade 4 according to the wear condition of the blade 4, and first loosens the bolt on the first wedge block 8 to disassemble the first wedge block 8; then, the tool holder 3 is slid in the chute 2 by loosening the fastening bolt 6, and the tool holder 3 is adjusted so that the cutting edge on the tool holder 3 and other cutting edges are on the same circumference; finally, the tool holders 3 are fixed in the slide grooves 2 in sequence. When the tool holder 3 is adjusted, the tool nose on the blade 4 cannot be on the same circumference line with other tool noses, and the second wedge block 14 can be detached by loosening the bolt on the second wedge block 14; the blade 4 is adjusted in a sliding mode, and the blade 4 is adjusted to enable the blade tip to be on the same circumference line with other blade tips. By the mode, the precision of the radial size of the object machined by the three-edge milling cutter is improved, so that the machining quality is greatly improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a three-edge milling cutter, includes blade disc (1) and blade (4) that blade disc (1) outer fringe week side set up, its characterized in that, spout (2) have been seted up to blade disc (1) outer fringe week side, spout (2) radially set up along blade disc (1), be provided with cutter holder (3) that are used for centre gripping blade (4) in spout (2), cutter holder (3) are the setting of sliding in spout (2), still be provided with on blade disc (1) and be used for dismantling the fixed subassembly of fixed cutter holder (3) in spout (2).

2. A three-edge milling cutter as claimed in claim 1, wherein the wall of the sliding groove (2) is provided with a waist-shaped groove (5) in a penetrating manner, and the waist-shaped groove (5) is arranged along the radial direction of the cutter head (1); the fixing assembly comprises a fastening bolt (6), the fastening bolt (6) penetrates through the waist-shaped groove (5) to be in threaded connection with the tool holder (3), and the fastening bolt (6) is arranged in the waist-shaped groove (5) in a sliding mode.

3. A three-edge milling cutter according to claim 2, wherein the cutter head (1) is further provided with a fastening groove (7), the fastening groove (7) is communicated with the sliding groove (2), a first wedge block (8) for abutting against the cutter holder (3) is arranged in the fastening groove (7), and the first wedge block (8) is fixed on the cutter head (1) through a bolt.

4. A three-sided milling cutter according to claim 2, characterized in that the holder (3) is provided on its outer wall with first anti-slip threads (9) for assisting in fixing the holder (3).

5. Three-sided milling cutter according to claim 4, characterized in that the first anti-slip pattern (9) on the adjacent outer wall of the holder (3) is provided with a radial pattern and an axial pattern, respectively.

6. A three-sided milling cutter according to claim 5, characterized in that the inner wall of the runner (2) is provided with second anti-slip threads (10) for cooperation with the first anti-slip threads (9).

7. The three-sided milling cutter according to claim 1, wherein the holder (3) is provided with an insert mounting groove (11), the insert mounting groove (11) is disposed on the holder (3) in a radial direction of the cutter head (1), and the insert (4) is slidably fitted in the insert mounting groove (11); and a fixing piece for fixing the blade (4) is arranged in the blade mounting groove (11).

8. A three-sided milling cutter according to claim 7, characterized in that the fixing member is a second wedge (14), that a holding block (141) is arranged between the second wedge (14) and the insert (4), that the holding block (141) is arranged to be held against the second wedge (14) and the insert (4), respectively, and that the second wedge (14) is fixed in the insert-mounting recess (11) by means of bolts.

9. A three-sided milling cutter according to claim 7, characterized in that a bar (12) is fixed in the insert mounting slot (11), the bar (12) and the inner wall of the insert mounting slot (11) forming a positioning slot (13) for placing the insert (4).

10. A three-face milling cutter according to claim 1, characterized in that the cutter head (1) is provided with a spindle bore (15).