CN218903752U - Milling cutter rest and milling cutter - Google Patents

Abstract

The utility model relates to the technical field of milling, in particular to a milling tool rest and a milling tool, wherein the milling tool rest comprises a tool rest main body, a tool handle and two counterweight bars, the tool rest main body is in a long bar shape, the tool handle is fixedly connected with the middle part of the tool rest main body, positioning grooves are symmetrically formed in two ends of the tool rest main body, the two counterweight bars are respectively arranged on the corresponding positioning grooves, and one end of each counterweight bar is provided with a cutter grain groove. This milling cutter frame is through setting up the knife rest main part to rectangular to install the cutter grain at knife rest main part both ends through the counter weight strip, can effectually reduce the weight of milling cutter frame when guaranteeing great processing radius, thereby reduce the risk that the drive main shaft damaged, the knife rest main part of rectangular shape can be received standard tool magazine under specific angle in addition, need not to dismantle the installation milling cutter through the manual work at every turn promptly, effectual improvement production efficiency.

Description

Milling cutter rest and milling cutter

Technical Field

The utility model relates to the technical field of milling, in particular to a milling cutter rest and a milling cutter.

Background

When the traditional fly cutter is adopted to fly a large-scale product, the fly cutter area is small, and the surface of the product can be machined only by connecting the cutter for many times, so that the machining time is long and the cutter connecting traces are many. Therefore, in order to improve the processing efficiency, a large (large-size) fly cutter can be used for flying a large product, so that the processing time is shortened, and the cutter receiving trace is reduced.

The prior large-size fly cutter mainly has the following defects: 1. the large size of the fly cutter causes the weight of the fly cutter to be increased, and the fly cutter driving main shaft is easy to be damaged; 2. the large-size fly cutter can interfere with other cutters, cannot be directly received into a standard cutter magazine, and needs to be independently installed and adjusted every time when being used, so that the production efficiency is low.

Disclosure of Invention

The embodiment of the utility model aims to provide a milling cutter rest and a milling cutter, which are used for solving the technical problems that an existing large-size fly cutter is large in weight, a driving main shaft is easy to damage, and a standard cutter magazine cannot be received.

In order to solve the technical problems, the technical scheme of the embodiment of the utility model is as follows:

the embodiment of the utility model provides a milling cutter rest, which comprises a cutter rest main body, wherein positioning grooves are symmetrically arranged at two ends of the cutter rest main body, and the cutter rest main body is in a long strip shape; the knife handle is fixedly connected with the middle part of the knife rest main body; and two counterweight bars are respectively arranged on the corresponding positioning grooves, and one ends of the counterweight bars are provided with cutter grain grooves.

Further, in a preferred version of some embodiments, the width of the tool holder body is less than or equal to the diameter of the tool shank.

Further, in a preferred aspect of some embodiments, the positioning groove is a long groove, and a length direction of the positioning groove is the same as a length direction of the tool rest main body.

Further, in a preferred aspect of some embodiments, an opening is provided at an end of the positioning groove near the end of the tool holder body, and the weight bar is partially installed in the positioning groove, and another portion protrudes from the positioning groove through the opening.

Further, in a preferred version of some embodiments, the width of the positioning slot is adapted to the width of the weight bar.

Further, in a preferred version of some embodiments, the end of the positioning groove remote from the end of the tool holder body is provided with a clearance groove.

Further, in a preferred scheme of some embodiments, the milling cutter rest further includes a plurality of first screws, a plurality of first threaded holes are formed in the bottom of the positioning groove in a row, the distance between two adjacent first threaded holes is the same, a plurality of first counter bores are formed in the counterweight strip, and the first screws penetrate through the first counter bores and are connected with the first threaded holes.

Further, in a preferred aspect of some embodiments, the milling cutter holder further includes a second screw, a second counter bore is provided in the middle of the cutter holder main body, a second threaded hole is provided in the middle of the cutter handle, and the second screw portion passes through the second counter bore and is connected with the second threaded hole.

Further, in a preferred solution of some embodiments, the milling cutter holder further includes an alignment member and a third screw, the side surface of the lower portion of the cutter handle is provided with a first alignment groove, the side surface of the upper portion of the cutter holder main body is provided with a second alignment groove, the upper portion of the alignment member is clamped in the first alignment groove, the lower portion of the alignment member is clamped in the second alignment groove, and the third screw portion passes through the alignment member and is in threaded connection with the cutter holder main body or the cutter handle.

The embodiment of the utility model also provides a milling cutter, which adopts the following technical scheme: the milling cutter rest comprises the milling cutter rest and two cutter grains, wherein the two cutter grains are respectively arranged on the corresponding cutter grain grooves, and the cutter grains are masonry cutter grains.

Compared with the prior art, the milling cutter rest and the milling cutter provided by the embodiment of the utility model have the following main beneficial effects:

this milling cutter frame is through setting up the knife rest main part to rectangular to install the cutter grain at knife rest main part both ends through the counter weight strip, can effectually reduce the weight of milling cutter frame when guaranteeing great processing radius, thereby reduce the risk that the drive main shaft damaged, the knife rest main part of rectangular shape can be received standard tool magazine under specific angle in addition, need not to dismantle the installation milling cutter through the manual work at every turn promptly, effectual improvement production efficiency.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic view of a milling tool according to one embodiment of the present utility model;

FIG. 2 is a schematic view of the milling cutter of FIG. 1 at another angle;

FIG. 3 is an exploded view of the milling cutter tool of FIG. 1;

FIG. 4 is a second schematic explosion diagram of the milling cutter of FIG. 1;

FIG. 5 is an enlarged schematic view of a portion B of the schematic view of the milling head of FIG. 4;

fig. 6 is a schematic view of the installation of the milling tool of fig. 1 in a standard tool magazine.

The reference numerals in the drawings are as follows:

100. a milling tool holder; 200. a cutter grain; 300. other cutters; 400. a standard tool magazine; 1. a tool rest body; 11. a positioning groove; 111. an opening; 112. a clearance groove; 12. a first threaded hole; 13. a second counterbore; 14. a second alignment groove; 2. a knife handle; 21. a second threaded hole; 22. a first alignment groove; 23. a second threaded hole; 3. a counterweight bar; 31. a cutter grain groove; 32. a cutter grain mounting hole; 33. a first counterbore; 4. a first screw; 5. a second screw; 6. an alignment member; 61. a third counterbore; 7. and a third screw.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terms used in the specification are used herein for the purpose of describing particular embodiments only and are not intended to limit the present utility model, for example, the orientations or positions indicated by the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are orientations or positions based on the drawings, which are merely for convenience of description and are not to be construed as limiting the present utility model.

The terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion; the terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

In the description of the utility model and the claims and the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, references herein to "an embodiment" mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The embodiment of the utility model provides a milling cutter holder 100, please refer to fig. 1 to 6, which comprises a cutter holder main body 1, a cutter handle 2 and two counterweight bars 3, wherein the cutter holder main body 1 is in a strip shape, the cutter handle 2 is fixedly connected with the middle part of the cutter holder main body 1, positioning grooves 11 are symmetrically arranged at two ends of the lower part of the cutter holder main body 1, the two counterweight bars 3 are respectively detachably arranged on the corresponding positioning grooves 11, and one end of each counterweight bar 3 is provided with a cutter grain groove 31.

The positioning groove 11 can be used for adjusting the installation position between the balance weight bar 3 and the tool rest main body 1, and the installation position of the balance weight bar 3 can be continuously adjusted through dismounting and installation, so that adjustment of different machining diameters can be realized, and the applicability of the milling tool rest is improved.

The insert pocket 31 is used for mounting the insert 200, and the insert 200 is mounted on the insert pocket 31, i.e. the milling tool rest 100 can be driven to drive the insert 200 to rotate for milling. In this embodiment, the shape of the cutter grain slot 31 is matched with the shape of the cutter grain 200, the cutter grain slot 31 is provided with a cutter grain mounting hole 32, and the cutter grain 200 is detachably fixed on the cutter grain slot 31 through the screw (not shown) matched with the screw thread of the cutter grain mounting hole 32.

The tool shank 2 is a standard tool shank, and can be directly mounted on a driving spindle (not shown in the figure) of milling equipment (not shown in the figure), and the tool shank 2 is driven to rotate by the driving spindle, so that the tool rest main body 1 and the tool grains 200 at two ends of the counterweight strip 3 are driven to move, and milling can be realized.

In summary, compared to the prior art, the milling tool holder 100 has at least the following advantages: through setting up knife rest main part 1 to rectangular to install the cutter grain 200 at knife rest main part 1 both ends through counter weight strip 3, can effectually reduce the weight of milling knife rest 100 when guaranteeing great processing radius, thereby reduce the risk that the drive main shaft damaged, the standard tool magazine of digit control machine tool can be received to the knife rest main part 1 of rectangular shape moreover under specific angle, need not to use milling cutter all to need the manual work to dismantle the installation at every turn, can effectual improvement production efficiency.

Embodiment one of the milling tool holder 100 of the present utility model

In order to better understand the solution of the present utility model by those skilled in the art, the following description will clearly and completely describe the solution of the first embodiment of the present utility model with reference to fig. 1 to 6.

Further, referring to fig. 2 to 6, the width of the tool holder body 1 is equal to or smaller than the diameter of the tool shank 2. In this embodiment, the tool holder 2 is a standard tool holder, and can be directly installed in a standard tool magazine of a numerical control machine tool, and by limiting the width of the tool holder body 1 to be smaller than or equal to the width of the tool holder 2, that is, the tool holder body 1 will not interfere with other tools on both sides of the tool holder 2 in the width direction, only the length direction of the tool holder body 1 is required to be adjusted to point to the center of the standard tool magazine before the standard tool magazine is put in storage, so that the longest position of the tool holder body 1 can avoid the other tools 300 on both sides of the tool holder 2, thereby realizing the installation of milling tools in the standard tool magazine 400.

Further, referring to fig. 1, 4 and 5, the positioning groove 11 is a long groove, and the length direction of the positioning groove 11 is the same as the length direction of the tool rest main body 1. Through limiting the positioning groove 11 to be rectangular groove to make the length direction of positioning groove 11 the same with the length direction of knife rest main part 1, can follow the length direction of knife rest main part 1 and adjust the mounted position of counter weight strip 3, the process of adjusting the processing diameter size is simple and clear, can effectually improve the efficiency of adjusting.

In other embodiments, the installation position of the weight bar 3 may be adjusted in the width direction of the tool rest body 1, or the positioning groove 11 may be configured as a fan-shaped groove, and the installation position of the weight bar 3 may be adjusted at a certain rotation angle, and the adjustment of the machining diameter may be achieved as well. However, since the adjusted position is not in the length direction of the tool rest main body 1, the displacement distance of the weight bar 3 is not equal to the increased length of the machining diameter, and additional calculation is required to obtain the length to be adjusted, the adjustment step is complicated.

Further, referring to fig. 1, 4 and 5, an opening 111 is provided at one end of the positioning groove 11 near the end of the tool holder body 1, and a part of the weight bar 3 is mounted in the positioning groove 11, and another part protrudes from the positioning groove 11 through the opening 111. In this embodiment, the opening 111 is provided at one end of the positioning groove 11, so that the weight bar 3 can be protruded from the tool rest main body 1, thereby effectively increasing the machining diameter and further improving the machining efficiency.

In this embodiment, the width of the positioning groove 11 is adapted to the width of the weight bar 3. By restricting the width of the positioning groove 11 to match the width of the weight bar 3, the stability of the installation structure of the weight bar 3 can be effectively increased. Specifically, during milling, the side wall of the positioning groove 11 can support the counterweight bar 3 to improve the stress area and prevent the counterweight bar 3 from being damaged due to uneven local stress of the counterweight bar 3.

Further, referring to fig. 2 to 4, a clearance groove 112 is provided at an end of the positioning groove 11 away from the end of the tool holder body 1. Through increasing and keeping away the position groove 112, can provide one and dodge the dismantlement of space convenience counter weight strip 3 to improve the convenience of dismantling counter weight strip 3, improve the dismantlement efficiency of counter weight strip 3 then.

Further, referring to fig. 1, 4 and 5, the milling cutter holder 100 further includes a plurality of first screws 4, a plurality of first threaded holes 12 are formed in a row at the bottom of the positioning groove 11, the distance between two adjacent first threaded holes 12 is the same, a plurality of first counter bores 33 are formed in the counter weight bar 3, and a portion of the first screws 4 passes through the first counter bores 33 and is connected with the first threaded holes 12; in this embodiment, the number of the first screw holes 12 is 6, the number of the first counter bores 33 is 3, and the number of the first screws 4 is 3.

The first threaded holes 12 are arranged at intervals along the length direction of the positioning groove 11, and the installation position of the counterweight strip 3 on the positioning groove 11 can be adjusted through the cooperation of the first screw 4 and the first counter bore 33, so that the counterweight strip has the characteristics of simple structure, high stability and the like. The first counter bore 33 is formed in the counterweight bar 3, so that the head of the first screw 4 can be prevented from protruding out of the counterweight bar 3, and normal milling process is ensured.

Preferably, referring to fig. 3 to 5, the milling cutter holder 100 further includes a second screw 5, a second counter bore 13 is provided in the middle of the cutter holder main body 1, a second threaded hole 21 is provided in the middle of the cutter handle 2, and a portion of the second screw 5 passes through the second counter bore 13 and is connected with the second threaded hole 21. The tool rest main body 1 and the tool handle 2 can be fixedly connected through the cooperation of the second screw 5, the second counter bore 13 and the second threaded hole 21, and the tool rest is simple in structure and high in structural stability. The second counter bore 13 can prevent the head of the second screw rod 5 from protruding out of the counterweight bar 3, so as to ensure the normal milling process.

Further, referring to fig. 2 to 4, the milling cutter holder 100 further includes an alignment member 6 and a third screw 7, a first alignment groove 22 is formed on a side surface of a lower portion of the cutter handle, a second alignment groove 14 is formed on a side surface of an upper portion of the cutter holder main body 1, an upper portion of the alignment member 6 is clamped in the first alignment groove 22, a lower portion of the alignment member 6 is clamped in the second alignment groove 14, and a portion of the third screw 7 passes through the alignment member 6 to be in threaded connection with the cutter holder main body 1 or the cutter handle 2. In this embodiment, the alignment member 6 is provided with a third counter bore 61, the tool shank 2 is provided with a third threaded hole 23, and the third screw 7 partially passes through the third counter bore 61 and is connected with the third threaded hole 23. Through increasing the cooperation of counterpoint spare 6, first counterpoint groove 22, second counterpoint groove 14, rethread third screw rod 7 is fixed, can increase the stability that handle of a knife 2 and knife rest main part 1 circumference are fixed, can guarantee that knife rest main part 1 can follow handle of a knife 2 and rotate together, guarantees milling work's normal clear. Preferably, two sets of the aligning members 6, the first aligning grooves 22, the second aligning grooves 14 and the third screw 7 are symmetrically arranged at two sides of the tool rest main body 1, so that the stability of circumferential fixation can be further improved.

Based on the milling cutter holder 100, the embodiment of the utility model further provides a milling cutter, wherein the milling cutter comprises the milling cutter holder 100 and two cutter grains 200, and the two cutter grains 200 are respectively installed on corresponding cutter grain grooves, wherein the cutter grains are masonry cutter grains. Wherein, adopt masonry knife grain 200 can directly process comparatively smooth machined surface, need not to rework the wire drawing, still further improves the efficiency of processing.

In summary, compared with the prior art, the milling cutter has at least the following beneficial effects: through setting up knife rest main part 1 to rectangular to install the cutter grain 200 at knife rest main part 1 both ends through counter weight strip 3, can effectually reduce the weight of milling knife rest 100 when guaranteeing great processing radius, thereby reduce the risk that the drive main shaft damaged, the standard tool magazine of digit control machine tool can be received to rectangular knife rest main part 1 under specific angle in addition, need not to use milling cutter at every turn promptly and all need the manual work to dismantle the installation, can effectual improvement production efficiency.

The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims (9)

1. A milling cutter head for mounting a cutting insert, comprising:

the tool rest main body is provided with positioning grooves symmetrically at two ends of the lower part, and is in a strip shape;

the knife handle is fixedly connected with the middle part of the knife rest main body;

the two counterweight bars are detachably arranged on the corresponding positioning grooves respectively, and one end of each counterweight bar is provided with a cutter grain groove;

one end of the positioning groove, which is far away from the end part of the tool rest main body, is provided with a clearance groove.

2. The milling tool holder of claim 1 wherein the width of the tool holder body is less than or equal to the diameter of the tool shank.

3. The milling cutter head according to claim 2, wherein the positioning groove is a long groove, and the length direction of the positioning groove is the same as the length direction of the cutter head main body.

4. The milling cutter head according to claim 2, wherein the positioning slot is provided with an opening at one end near the end of the cutter head body, and the weight bar is partially mounted in the positioning slot, and the other part protrudes from the positioning slot through the opening.

5. The milling cutter head according to claim 2, wherein the width of the positioning slot is adapted to the width of the weight bar.

6. The milling cutter holder according to any one of claims 1-5, further comprising a plurality of first screws, wherein a plurality of first threaded holes are formed in the bottom of the positioning groove in a row, the distance between two adjacent first threaded holes is the same, a plurality of first counter bores are formed in the counter weight bar, and the first screw portion penetrates through the first counter bores and is connected with the first threaded holes.

7. The milling tool holder of claim 6, further comprising a second screw, wherein a second counterbore is provided in the middle of the tool holder body, wherein a second threaded bore is provided in the middle of the tool shank, and wherein the second screw portion is connected to the second threaded bore through the second counterbore.

8. The milling tool holder of claim 6, further comprising an alignment member and a third screw, wherein the first alignment slot is formed in the side of the lower portion of the tool shank, the second alignment slot is formed in the side of the upper portion of the tool holder body, the upper portion of the alignment member is disposed in the first alignment slot, the lower portion of the alignment member is disposed in the second alignment slot, and the third screw is threaded through the alignment member to connect with the tool holder body or the tool shank.

9. A milling tool, characterized in that it comprises a milling tool holder according to any one of claims 1-8 and two inserts, which are mounted on the corresponding insert pocket, respectively, said inserts being masonry inserts.

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