CN215698291U - Spiral milling cutter with chip breaker groove - Google Patents

Abstract

The utility model relates to the technical field of milling cutters, in particular to a spiral milling cutter with chip breakers, which comprises a milling body and a limiting device, wherein a cutter edge is arranged at a port of the milling body, two chip removal grooves are formed in the surface of the cutter edge and are symmetrically distributed relative to the central point of the cutter edge, the limiting device is arranged on the surfaces of the milling body and the cutter edge and comprises two sliding blocks, the outer surfaces of the two sliding blocks are in sliding connection with the inner wall of the milling body, a connecting block is fixedly arranged on the surface of each sliding block, a clamping block is fixedly arranged on the side wall of each connecting block, the outer surface of each clamping block is in sliding connection with the inner wall of the cutter edge, a protecting device is arranged on the surface of the cutter edge and comprises a protecting sleeve, the protecting sleeve is sleeved on the outer surface of the cutter edge, a soft belt is fixedly arranged on the surface of the protecting sleeve, and a supporting block is fixedly arranged on the surface of the protecting sleeve. The utility model solves the problems that the traditional replacement mode is more complicated, and the milling cutter with the same rough and fine edges is also replaced integrally, which can cause time waste.

Description

Spiral milling cutter with chip breaker groove

Technical Field

The utility model relates to the technical field of milling cutters, in particular to a spiral milling cutter with a chip breaker groove.

Background

The milling cutter is a rotary cutter which is used for milling and provided with one or more cutter teeth, and the cutter teeth cut off the allowance of a workpiece intermittently in sequence during working; milling cutters are generally used in milling machines for machining workpieces by means of milling cutters, which are of many kinds, for example: end mills, disc mills, cylindrical mills, and the like.

Milling cutter is a very important machining tool, need use milling cutter often to the woodwork carries out the finish machining, and the fine machined milling cutter of worker woodwork is often the spiral form, can seted up the chip groove on the milling cutter surface in order to increase milling cutter availability factor, and milling cutter need be changed milling cutter according to the processing specification when processing, but traditional change mode is more loaded down with trivial details, and the same different milling cutter of thickness edge of a knife also wholly changes, this problem that can lead to the time waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a spiral milling cutter with a chip breaker.

In order to achieve the purpose, the utility model adopts the following technical scheme: a spiral milling cutter with chip breakers comprises a milling body and a limiting device, wherein a cutter edge is arranged at a port of the milling body, two chip removal grooves are formed in the surface of the cutter edge and are symmetrically distributed relative to the central point of the cutter edge, the limiting device is arranged on the surfaces of the milling body and the cutter edge and comprises two sliding blocks, the outer surfaces of the two sliding blocks are in sliding connection with the inner wall of the milling body, a connecting block is fixedly arranged on the surface of each sliding block, a clamping block is fixedly arranged on the side wall of each connecting block, the outer surface of each clamping block is in sliding connection with the inner wall of the cutter edge, a limiting block is fixedly arranged on the side wall of each sliding block, the outer surface of each limiting block is in sliding connection with the inner wall of the milling body, when the position of the cutter edge on the surface of the milling body is limited, the milling body and the cutter edge are aligned firstly, then the limiting block is dragged to drive the sliding blocks to slide, the connecting blocks and the clamping blocks are driven to slide into the inner wall of the cutter edge, the fixture block plays a role in limiting the position of the knife edge on the surface of the milling body.

Preferably, the milling body surface is provided with a sliding groove at a position close to the sliding block, the inner wall of the sliding groove is in sliding connection with the outer surface of the sliding block, the sliding block can slide on the inner wall of the sliding groove when sliding, and the sliding groove has the effect of enabling the sliding block to slide.

Preferably, the position that the edge of a knife surface is close to connecting block and fixture block has seted up the standing groove, the inner wall and the connecting block surface sliding connection of standing groove can slide at the standing groove inner wall of edge of a knife when connecting block and fixture block slide, and the standing groove has played and has let connecting block and fixture block gliding effect.

Preferably, the one end that the slider was kept away from to the stopper is adorned the briquetting admittedly, two the one end that the slider is close to each other is adorned first spring admittedly, when needs restriction milling cutter position, presses down the briquetting earlier and lets the briquetting drive stopper, slider, connecting block and fixture block slip, can drive first spring when the slider slides and contract, and after the edge of a knife and milling body laminating, unclamp the first spring of briquetting and can kick-back, and first spring drives slider and briquetting slip, and first spring has played the gliding effect of drive slider.

Preferably, the surface of the knife edge is provided with a protection device, the protection device comprises a protection sleeve, the protection sleeve is sleeved on the outer surface of the knife edge, a soft belt is fixedly arranged on the surface of the protection sleeve, a supporting block is fixedly arranged on the surface of the protection sleeve, the inner wall of the supporting block is in sliding connection with the outer surface of the soft belt, an insert column is in sliding connection with the inner wall of the supporting block and the inner wall of the soft belt, when the protection sleeve is limited to be in the position of the surface of the knife edge, the soft belt is firstly slid into the inner wall of the supporting block, the soft belt is pulled to enable the soft belt to slide on the inner wall of the supporting block, and after the soft belt slides to a proper position, the insert column is slid into the inner wall of the soft belt, and the soft belt has the effect of extruding the protection sleeve to increase the friction force between the protection sleeve and the knife edge.

Preferably, a plurality of jacks are formed in the surface of the soft belt, the inserting columns are connected with the soft belt in a sliding mode through the jacks, and rectangular blocks are fixedly mounted at the ends, far away from the supporting blocks, of the inserting columns.

Preferably, the two sides of the supporting block are fixedly provided with the convex blocks, the second springs are fixedly arranged at the ends, close to each other, of the convex blocks and the rectangular blocks, the rectangular blocks are firstly dragged to enable the rectangular blocks to drive the second springs to stretch when the position of the soft belt is required to be limited, the rectangular blocks drive the inserting columns to slide, after the soft belt slides to a proper position, the rectangular blocks are loosened, the second springs can drive the rectangular blocks and the inserting columns to slide, and the second springs play a role in driving the rectangular blocks to slide.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. in the utility model, the milling cutter is provided with the chip groove by arranging the limiting device, the chip groove is used to discharge the chips, when the knife edge needs to be replaced, the pressing block is pressed first to make the pressing block drive the limiting block to slide, the limiting block drives the sliding block to slide, the sliding block slides on the inner wall of the sliding groove, the sliding block drives the connecting block to slide, the connecting block drives the clamping block to slide, and meanwhile, the sliding block also drives the first spring to contract, the clamping block can also slide on the inner wall of the placing groove of the knife edge when sliding, the knife edge can be replaced after the clamping block slides to a proper position, after the new knife edge is jointed with the milling body, the first spring of the pressing block is loosened to drive the sliding block and the connecting block to slide, the connecting block drives the clamping block to slide, the clamping block slides into the inner wall of the knife edge again, through setting up stop device, not only can make things convenient for the edge of a knife to change, can also save the time that uses when wholly changing, the setting of first spring has played the effect of restriction slider position.

2. According to the utility model, by arranging the protective device, after the knife edge is replaced, the protective sleeve is aligned with the knife edge and then pushed, after the protective sleeve slides to a proper position, the rectangular block is dragged to drive the insert column to slide, the insert column slides out of the inner wall of the supporting block, the sliding of the rectangular block drives the second spring on the lug to stretch, then the soft belt slides into the inner wall of the supporting block, then the rectangular block is dragged to a proper position and then released, the second spring can drive the rectangular block and the insert column to slide, the insert column slides into the supporting block and the inner wall of the soft belt, through arranging the protective device, the knife edge can be protected when the protective sleeve is not used, the friction force between the protective sleeve and the knife edge can be increased, and the arrangement of the soft belt has the effect of limiting the protective sleeve on the surface position of the knife edge.

Drawings

Fig. 1 is a schematic structural view of a helical milling cutter with chip breakers according to the present invention;

FIG. 2 is a schematic perspective view of a helical milling cutter assembly milling body with chip breakers according to the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2 of a helical milling cutter with chip breakers according to the present invention;

FIG. 4 is a side view of the helical milling cutter of FIG. 2 with chip breakers according to the present invention;

FIG. 5 is a schematic perspective view of a helical milling cutter flute having a chip breaker according to the present invention;

FIG. 6 is another angular view of the helical milling cutter of FIG. 2 with chip breakers according to the present invention;

FIG. 7 is a schematic view of the structure at B of FIG. 6 in a helical milling cutter with chip breakers according to the present invention;

fig. 8 is a partial structural view of a guard in a helical milling cutter according to the present invention.

Illustration of the drawings:

1. a knife edge; 2. milling a body; 3. a chip groove; 4. a limiting device; 41. a slider; 42. connecting blocks; 43. a clamping block; 44. a placement groove; 45. a chute; 46. a limiting block; 47. a first spring; 48. briquetting; 5. a guard; 51. a protective sleeve; 52. a soft belt; 53. a support block; 54. inserting a column; 55. a rectangular block; 56. a bump; 57. a second spring.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-8, the present invention provides a technical solution: a spiral milling cutter with chip breakers comprises a milling body 2 and a limiting device 4, wherein a cutter edge 1 is arranged at a port of the milling body 2, two chip removal grooves 3 are formed in the surface of the cutter edge 1, the two chip removal grooves 3 are symmetrically distributed relative to the central point of the cutter edge 1, the limiting device 4 is arranged on the surfaces of the milling body 2 and the cutter edge 1, and a protective device 5 is arranged on the surface of the cutter edge 1.

The specific arrangement and function of the limiting means 4 and the protecting means 5 will be described in detail below.

In this embodiment: the limiting device 4 comprises two sliding blocks 41, the outer surfaces of the two sliding blocks 41 are in sliding connection with the inner wall of the milling body 2, a connecting block 42 is fixedly arranged on the surface of each sliding block 41, a clamping block 43 is fixedly arranged on the side wall of each connecting block 42, the outer surface of each clamping block 43 is in sliding connection with the inner wall of the cutting edge 1, a limiting block 46 is fixedly arranged on the side wall of each sliding block 41, the outer surface of each limiting block 46 is in sliding connection with the inner wall of the milling body 2, when the position of the cutting edge 1 on the surface of the milling body 2 needs to be limited, the milling body 2 is aligned with the cutting edge 1, then the limiting block 46 is pulled to enable the limiting block 46 to drive the sliding blocks 41 to slide, the sliding blocks 41 drive the connecting blocks 42 and the clamping blocks 43 to slide, the clamping blocks 43 slide into the inner wall of the cutting edge 1, and the clamping blocks 43 play a role in limiting the position of the surface of the milling body 2.

Specifically, the position of the surface of the milling body 2, which is close to the sliding block 41, is provided with a sliding groove 45, the inner wall of the sliding groove 45 is in sliding connection with the outer surface of the sliding block 41, the sliding block 41 can slide on the inner wall of the sliding groove 45 when sliding, and the sliding groove 45 has the effect of enabling the sliding block 41 to slide.

Specifically, a placing groove 44 is formed on the surface of the knife edge 1 close to the connecting block 42 and the clamping block 43, and the inner wall of the placing groove 44 is in sliding connection with the outer surface of the connecting block 42.

In this embodiment: when the connecting block 42 and the fixture block 43 slide, the connecting block and the fixture block 43 slide on the inner wall of the placing groove 44 of the knife edge 1, and the placing groove 44 has the effect of enabling the connecting block 42 and the fixture block 43 to slide.

Specifically, a pressing block 48 is fixedly mounted at one end of the limiting block 46 far away from the sliding blocks 41, and a first spring 47 is fixedly mounted at one end of each of the two sliding blocks 41 close to each other.

In this embodiment: when the position of the milling cutter needs to be limited, the pressing block 48 is pressed firstly, the pressing block 48 drives the limiting block 46, the sliding block 41, the connecting block 42 and the clamping block 43 to slide, the sliding block 41 can drive the first spring 47 to contract, after the knife edge 1 and the milling body 2 are attached, the first spring 47 of the pressing block 48 is loosened to rebound, the first spring 47 drives the sliding block 41 and the pressing block 48 to slide, and the first spring 47 has the effect of driving the sliding block 41 to slide.

In this embodiment: the protection device 5 comprises a protection sleeve 51, the protection sleeve 51 is sleeved on the outer surface of the knife edge 1, a soft belt 52 is fixedly arranged on the surface of the protection sleeve 51, a supporting block 53 is fixedly arranged on the surface of the protection sleeve 51, the inner wall of the supporting block 53 is in sliding connection with the outer surface of the soft belt 52, an inserting column 54 is in sliding connection with the inner wall of the supporting block 53, when the protection sleeve 51 is required to be limited to be in the surface position of the knife edge 1, the soft belt 52 slides into the inner wall of the supporting block 53, the soft belt 52 is pulled to enable the soft belt 52 to slide on the inner wall of the supporting block 53, the inserting column 54 slides into the inner wall of the soft belt 52 after the soft belt 52 slides to a proper position, and the soft belt 52 plays a role in extruding the protection sleeve 51 to increase the friction force between the protection sleeve 51 and the knife edge 1.

Specifically, a plurality of jacks are formed in the surface of the soft belt 52, the inserting columns 54 are connected with the soft belt 52 in a sliding mode through the jacks, and rectangular blocks 55 are fixedly mounted at one ends, far away from the supporting blocks 53, of the inserting columns 54.

Specifically, the two sides of the supporting block 53 are both fixedly provided with a projection 56, and the ends of the projection 56 and the rectangular block 55 close to each other are fixedly provided with a second spring 57.

In this embodiment: when the position of the soft belt 52 needs to be limited, the rectangular block 55 is firstly pulled to enable the rectangular block 55 to drive the second spring 57 to stretch, the rectangular block 55 drives the inserting column 54 to slide, after the soft belt 52 slides to a proper position, the rectangular block 55 and the inserting column 54 can be driven to slide by loosening the rectangular block 55 and the second spring 57, and the second spring 57 plays a role in driving the rectangular block 55 to slide.

The working principle is as follows: when the knife edge 1 needs to be replaced, firstly, the pressing block 48 is pressed to enable the pressing block 48 to drive the limiting block 46 to slide, the limiting block 46 drives the sliding block 41 to slide, the sliding block 41 slides on the inner wall of the sliding groove 45, the sliding block 41 drives the connecting block 42 to slide, the connecting block 42 drives the clamping block 43 to slide, meanwhile, the sliding block 41 can drive the first spring 47 to contract, the sliding block 43 can also slide on the inner wall of the placing groove 44 of the knife edge 1 when sliding, the knife edge 1 can be replaced after the clamping block 43 slides to a proper position, after the new knife edge 1 is attached to the milling body 2, the first spring 47 of the pressing block 48 is loosened to drive the sliding block 41 and the connecting block 42 to slide, the connecting block 42 drives the clamping block 43 to slide again into the inner wall of the knife edge 1, through the arrangement of the limiting device 4, the replacement of the knife edge 1 can be convenient, and time for the whole replacement can be saved, the first spring 47 has the effect of limiting the position of the slide block 41, after the knife edge 1 is replaced, the protecting sleeve 51 is aligned with the knife edge 1 and then the protecting sleeve 51 is pushed, after the protective sleeve 51 slides to a proper position, the rectangular block 55 is firstly pulled to enable the rectangular block 55 to drive the inserting column 54 to slide, the inserting column 54 slides out of the inner wall of the supporting block 53, the sliding of the rectangular block 55 drives the second spring 57 on the convex block 56 to stretch, then the soft belt 52 slides into the inner wall of the supporting block 53, then the soft belt 52 is pulled to a proper position to release the rectangular block 55, the second spring 57 will drive the rectangular block 55 and the inserting column 54 to slide, the inserting column 54 slides into the supporting block 53 and the inner wall of the soft belt 52, by arranging the protective device 5, the knife edge 1 can be protected when not in use, the friction force between the protective sleeve 51 and the knife edge 1 can be increased, and the arrangement of the soft belt 52 has the effect of limiting the position of the protective sleeve 51 on the surface of the knife edge 1.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (7)

1. A spiral milling cutter with chip breakers is characterized in that: comprises a milling body (2) and a limiting device (4), wherein a knife edge (1) is arranged at the port of the milling body (2), two chip grooves (3) are arranged on the surface of the knife edge (1), the two chip grooves (3) are symmetrically distributed relative to the central point of the cutter edge (1), the surfaces of the milling body (2) and the cutter edge (1) are provided with limiting devices (4), the limiting device (4) comprises two sliding blocks (41), the outer surfaces of the two sliding blocks (41) are in sliding connection with the inner wall of the milling body (2), a connecting block (42) is fixedly arranged on the surface of the sliding block (41), a clamping block (43) is fixedly arranged on the side wall of the connecting block (42), the outer surface of the clamping block (43) is in sliding connection with the inner wall of the knife edge (1), a limiting block (46) is fixedly arranged on the side wall of the sliding block (41), the outer surface of the limiting block (46) is connected with the inner wall of the milling body (2) in a sliding mode.

2. A spiral milling cutter with chip breakers according to claim 1, characterized in that: the milling machine is characterized in that a sliding groove (45) is formed in the position, close to the sliding block (41), of the surface of the milling body (2), and the inner wall of the sliding groove (45) is in sliding connection with the outer surface of the sliding block (41).

3. A spiral milling cutter with chip breakers according to claim 2, characterized in that: a placing groove (44) is formed in the surface of the knife edge (1) close to the connecting block (42) and the clamping block (43), and the inner wall of the placing groove (44) is in sliding connection with the outer surface of the connecting block (42).

4. A spiral milling cutter with chip breakers according to claim 3, characterized in that: and a pressing block (48) is fixedly arranged at one end of the limiting block (46) far away from the sliding blocks (41), and a first spring (47) is fixedly arranged at one end of each of the two sliding blocks (41) close to each other.

5. A spiral milling cutter with chip breakers according to claim 4, characterized in that: the knife edge protection device is characterized in that a protection device (5) is arranged on the surface of the knife edge (1), the protection device (5) comprises a protection sleeve (51), the protection sleeve (51) is sleeved on the outer surface of the knife edge (1), a soft belt (52) is fixedly arranged on the surface of the protection sleeve (51), a supporting block (53) is fixedly arranged on the surface of the protection sleeve (51), the inner wall of the supporting block (53) is in sliding connection with the outer surface of the soft belt (52), and an inserting column (54) is in sliding connection with the inner walls of the supporting block (53) and the soft belt (52).

6. A spiral milling cutter with chip breakers according to claim 5, characterized in that: the surface of the soft belt (52) is provided with a plurality of jacks, the inserting columns (54) are connected with the soft belt (52) in a sliding mode through the jacks, and rectangular blocks (55) are fixedly arranged at one ends, far away from the supporting blocks (53), of the inserting columns (54).

7. A spiral milling cutter with chip breakers according to claim 6, characterized in that: and the two sides of the supporting block (53) are respectively fixedly provided with a lug (56), and one end of each lug (56) close to the rectangular block (55) is fixedly provided with a second spring (57).

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