Welded integral alloy milling cutter

Abstract

The utility model belongs to the technical field of cutting tools, particularly relates to an alloy milling cutter, and provides the following scheme aiming at the problem of local stress of the existing alloy milling cutter: the alloy milling cutter comprises an alloy milling cutter main body, a fixing sleeve and a locking assembly for connecting the alloy milling cutter main body with the fixing sleeve, the alloy milling cutter body comprises a cutter bit seat, a milling cutter bit is fixed to one side of the cutter bit seat, a connecting rod is fixed to the other side of the cutter bit seat, and the cross section of the connecting rod is of a cross-shaped structure. According to the utility model, the fixed sleeve can be connected with the connecting rod through the locking assembly, so that the tool bit seat, the milling cutter bit, the connecting rod and the fixed sleeve are assembled, and the threaded rod is rotated reversely, so that the fixed sleeve can be assembled, and the milling cutter bit can be assembled. And the movable push rod and the locking insertion rod can be recovered to the initial state under the action of the second spring and the first spring, so that the alloy milling cutter main body and the fixing sleeve can be conveniently disassembled and assembled.

Description

TECHNICAL FIELD

[0001] The utility model relates to an alloy milling cutter, in particular to a welded integral alloy milling cutter, belongs to mechanical processing technical field. BACKGROUND

[0002] Milling cutter is a rotary cutter with one or more teeth used for milling.

[0003] In the prior art, such as the welding type integral alloy end mill disclosed in the application number CN219900389U, the application comprises: a handle, the handle includes a groove and a threaded hole, the groove is arranged on one end of the handle, and the threaded hole penetrates the handle radially; a first magnetic block is arranged in the groove; a cutter head is integrally connected to one end of the handle; a sleeve is provided with a positioning hole and a mounting hole on the outer wall, and the positioning hole is in communication with the threaded hole; a fixing bolt is connected to the threaded hole; the handle and the sleeve are inserted and matched, the positioning hole and the mounting hole are linearly and equidistantly arranged along the axial direction of the sleeve, and a plurality of second magnetic blocks are arranged in the mounting holes.

[0004] However, in the implementation of the related technology, the above design has the following problems:

[0005] Generally, the connection mode of the milling cutter and the sleeve is to adopt a direct bolt fixing mode, and in the milling process, when the stress is reversed, the local position is prone to stress, which can aggravate the wear of this part. Therefore, a welded integral alloy milling cutter is provided to overcome the above defects. INVENTION CONTENTS

[0006] The utility model provides a welded integral alloy milling cutter to solve at least one technical problem.

[0007] The utility model realizes the above-mentioned purposes through the following technical schemes:

[0008] A welded integral alloy milling cutter comprises an alloy milling cutter body, a fixing sleeve and a locking assembly for connecting the alloy milling cutter body and the fixing sleeve.

[0009] The alloy milling cutter body comprises a cutter head seat, the cutter head seat is fixed with a milling cutter head on one side and a connecting rod on the other side, and the cross section of the connecting rod is arranged in a "cross" shape.

[0010] The outer wall of the fixing sleeve is provided with a plurality of equidistantly distributed ring grooves for increasing the frictional force of the fixing sleeve.

[0011] The inside of the fixed sleeve is provided with a mounting cavity, the cross section of the mounting cavity is provided with a "cross" structure, and the connecting rod is suitable in size to the mounting cavity.

[0012] As a further scheme of the utility model: the locking assembly includes: a movable cavity opened in the connecting rod, and three groups of grooves distributed axially along the movable cavity, each group has two grooves and is located on the two sides of the movable cavity, and the movable cavity is communicated with the grooves.

[0013] As a further scheme of the utility model: a threaded rod is connected to the inside of the tool bit seat, the threaded rod is threadedly matched with the tool bit seat, one end of the threaded rod is connected with a fixed block, and one side of the fixed block is an inclined surface.

[0014] As a further scheme of the utility model: a movable push rod is inserted into the inside of the movable cavity, the movable push rod is suitable to the movable cavity, the cross section of one end of the movable push rod is provided with a trapezoidal shape, and one end of the movable push rod is attached to a movable push block.

[0015] As a further scheme of the utility model: the other end of the movable push rod is provided with a second spring, and the other end of the movable push rod is in contact with the second spring.

[0016] As a further scheme of the utility model: three groups of fixed blocks are connected to the axial direction of the movable push rod, each group has two fixed blocks and is symmetrically arranged about the movable push rod, and a positioning screw rod is connected between the movable push rod and the fixed blocks.

[0017] As a further scheme of the utility model: one side of the fixed block is an inclined surface, and the fixed block is fixed on the movable push rod through the positioning screw rod.

[0018] As a further scheme of the utility model: a first spring is arranged in the groove, and a locking plug rod is arranged in the inside of the first spring.

[0019] As a further scheme of the utility model: one end of the locking plug rod is a smooth cylindrical shape, the cross section of the other end of the locking plug rod is provided with a trapezoidal shape structure, and the other end of the locking plug rod is attached to the inclined surface of the fixed block.

[0020] As a further scheme of the utility model: three groups of locking plug holes are arranged in the axial direction of the mounting cavity, each group has two locking plug holes, the locking plug holes are one-to-one corresponding to the locking plug rods, and are locally suitable.

[0021] The utility model discloses the beneficial effect is:

[0022] The utility model discloses a locking assembly can connect fixed sleeve and connecting rod, thereby accomplishing the assembly of cutter head seat, milling cutter head and connecting rod and fixed sleeve, and reversely rotating threaded rod can restore movable push rod and locking plug under the action of second spring and first spring to initial state, that can realize the disassembly and assembly of alloy milling cutter main part and fixed sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure schematic diagram of the utility model;

[0024] Figure 2 It is the distribution structure schematic diagram of the utility model ring groove;

[0025] Figure 3 It is the sectional structure schematic diagram of the utility model fixed sleeve;

[0026] Figure 4 It is the sectional structure schematic diagram of the utility model cutter head seat;

[0027] Figure 5 It is the sectional structure schematic diagram of the utility model connecting rod;

[0028] Figure 6 It is the local explosion structure schematic diagram of the utility model;

[0029] Figure 7 It is the structure schematic diagram of the utility model fixed block and locking plug;

[0030] Figure 8 It is the connecting structure schematic diagram of the utility model movable push block and threaded rod.

[0031] In the drawing:

[0032] 1, fixed sleeve;101, ring groove;

[0033] 2, cutter head seat;3, milling cutter head;4, connecting rod;5, installation cavity;

[0034] 6, locking assembly;601, movable push rod;602, movable push block;603, threaded rod;604, movable cavity;605, fixed block;606, positioning screw;607, locking plug;608, first spring;609, recess;610, locking hole;611, second spring. DETAILED DESCRIPTION

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0036] like Figures 1 to 4 As shown, a welded integral carbide end mill includes a carbide end mill body and a fixed sleeve 1, as well as a locking assembly 6 for connecting the carbide end mill body and the fixed sleeve 1.

[0037] The alloy milling cutter body includes a cutter head holder 2, a milling cutter head 3 is fixed on one side of the cutter head holder 2, and a connecting rod 4 is fixed on the other side. The cross-section of the connecting rod 4 is set as a "+" shaped structure.

[0038] The outer wall of the fixed sleeve 1 is provided with several equally spaced annular grooves 101 to increase the friction of the fixed sleeve 1 under force.

[0039] The fixed sleeve 1 has an installation cavity 5 inside. The cross-section of the installation cavity 5 is set as a "+" shaped structure. The connecting rod 4 is adapted to the size of the installation cavity 5.

[0040] According to the above embodiments, further:

[0041] The connecting rod 4, which is connected to the cutter head holder 2, can be inserted into the mounting cavity 5 of the fixed sleeve 1 until the cutter head holder 2 contacts one end of the fixed sleeve 1, in order to prepare for the installation of the fixed sleeve 1 and the cutter head holder 2. Example 2

[0042] In addition to all the technical features included in Embodiment 1, this embodiment also includes:

[0043] Locking component 6 includes:

[0044] The movable cavity 604 is opened inside the connecting rod 4, and three sets of grooves 609 are distributed along the axial direction of the movable cavity 604, two in each set, and located on both sides of the movable cavity 604. The movable cavity 604 is connected to the grooves 609.

[0045] The internal connection of the cutter head holder 2 is a threaded rod 603, which is threadedly engaged with the cutter head holder 2. One end of the threaded rod 603 is connected to a fixing block 605, and one side of the fixing block 605 is inclined.

[0046] The inner part of the movable cavity 604 is inserted with a movable push rod 601, which is matched with the movable cavity 604, and the cross section of one end of the movable push rod 601 is set as a trapezoidal shape, and the one end of the movable push rod 601 is attached to a movable push block 602;

[0047] The other end of the movable push rod 601 is provided with a second spring 611, and the other end of the movable push rod 601 is in contact with the second spring 611.

[0048] According to the above embodiment, further:

[0049] When the connecting rod 4 is completely inserted into the inner part of the installation cavity 5, the threaded rod 603 can be rotated to push the fixed block 605 to move, and the push force is applied to the movable push rod 601 by using the inclined surface of the fixed block 605 in contact with one end of the movable push rod 601, at this time, the other end of the movable push rod 601 compresses the second spring 611, and moves in the inner part of the movable cavity 604, and the threaded rod 603 is reversely rotated, and the elastic force is applied to the movable push rod 601 through the second spring 611, so that the movable push rod 601 can be restored to the initial state. Embodiment three

[0050] In addition to including all the technical features in the first embodiment, the present embodiment also includes:

[0051] The movable push rod 601 is connected with three groups of fixed blocks 605 in the axial direction, each group has two, and is symmetrically arranged about the movable push rod 601, and the movable push rod 601 is connected with the fixed block 605 through a positioning screw rod 606;

[0052] One side of the fixed block 605 is an inclined surface, and the fixed block 605 is fixed on the movable push rod 601 through the positioning screw rod 606;

[0053] The inner part of the groove 609 is provided with a first spring 608, and the inner part of the first spring 608 is provided with a locking plug rod 607;

[0054] One end of the locking plug rod 607 is a smooth cylindrical shape, the other end is set as a trapezoidal structure in cross section, and the other end of the locking plug rod 607 is attached to the inclined surface of the fixed block 605;

[0055] Three groups of locking plug holes 610 are arranged in the axial direction of the installation cavity 5, each group has two, the locking plug holes 610 correspond to the locking plug rods 607 one by one, and are partially matched.

[0056] According to the above embodiment, further:

[0057] The fixed block 605 is fixed on the movable push rod 601 through the positioning screw 606, when the movable push rod 601 moves, the movable push rod 601 pushes the fixed block 605 to move, the fixed block 605 acts the pushing force on the locking plug 607, at this time, the locking plug 607 is compressed by the pushing force of the first spring 608, one end of the locking plug 607 extends out of the groove 609, one end of the locking plug 607 is inserted into the inside of the locking hole 610, the position of the connecting rod 4 can be limited, so that the connecting rod 4 can be connected with the fixed sleeve 1, and then the fixed sleeve 1, the cutter holder 2, the milling cutter head 3 and the connecting rod 4 are fixedly connected, and the stability of the alloy milling cutter body is increased through the three groups of locking plugs 607.

[0058] Working principle:

[0059] The connecting rod 4 connected with the cutter holder 2 can be inserted into the inside of the installation cavity 5 of the fixed sleeve 1, then the threaded rod 603 is rotated to push the fixed block 605 to move, the pushing force is acted on the movable push rod 601 through the inclined surface of the fixed block 605 in contact with one end of the movable push rod 601, so that the other end of the movable push rod 601 is compressed by the second spring 611 and moves in the inside of the movable cavity 604, the movable push rod 601 pushes the fixed block 605 to move, the fixed block 605 acts the pushing force on the locking plug 607, until one end of the locking plug 607 is inserted into the inside of the locking hole 610, the position of the connecting rod 4 can be limited, so that the connecting rod 4 can be connected with the fixed sleeve 1, and then the fixed sleeve 1, the cutter holder 2, the milling cutter head 3 and the connecting rod 4 are fixedly connected.

[0060] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and it is intended to embrace all changes falling within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0061] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A welded integral alloy milling cutter, comprising an alloy milling cutter body and a fixing sleeve (1), and a locking assembly (6) for connecting the alloy milling cutter body and the fixing sleeve (1), characterized in that: the alloy milling cutter body comprises a cutter head seat (2), one side of the cutter head seat (2) is fixed with a milling cutter head (3), and the other side is fixed with a connecting rod (4), the cross section of the connecting rod (4) is provided as a "cross" structure; the outer wall of the fixing sleeve (1) is provided with a plurality of equidistantly distributed ring grooves (101) for increasing the frictional force of the fixing sleeve (1); the inside of the fixing sleeve (1) is provided with a mounting cavity (5), the cross section of the mounting cavity (5) is provided as a "cross" structure, and the connecting rod (4) is size-fitted with the mounting cavity (5).

2. A welded solid alloy milling cutter according to claim 1 wherein: the locking assembly (6) comprises: a movable cavity (604) opened in the connecting rod (4), and three groups of grooves (609) axially distributed along the movable cavity (604), two in each group and located on both sides of the movable cavity (604), the movable cavity (604) is in communication with the grooves (609).

3. A welded solid alloy milling cutter according to claim 2 wherein: the inside of the cutter head seat (2) is connected with a threaded rod (603), the threaded rod (603) is threadedly matched with the cutter head seat (2), one end of the threaded rod (603) is connected with a fixed block (605), one side of the fixed block (605) is an inclined surface.

4. The welded solid alloy mill according to claim 3, wherein: an active push rod (601) is inserted into the inside of the movable cavity (604), the active push rod (601) is matched with the movable cavity (604), the cross section of one end of the active push rod (601) is provided as a trapezoidal shape, and one end of the active push rod (601) is attached to an active push block (602).

5. A welded solid alloy milling cutter according to claim 4 wherein: the other end of the active push rod (601) is provided with a second spring (611), and the other end of the active push rod (601) is in contact with the second spring (611).

6. A welded solid alloy milling cutter according to claim 5 wherein: three groups of fixed blocks (605) are connected to the active push rod (601) in the axial direction, two in each group and symmetrically arranged about the active push rod (601), and a positioning screw rod (606) is connected between the active push rod (601) and the fixed blocks (605).

7. A welded solid alloy milling cutter according to claim 6 wherein: one side of the fixed block (605) is an inclined surface, and the fixed block (605) is fixed on the active push rod (601) through the positioning screw rod (606).

8. The solid alloy indexable milling cutter of claim 2 wherein: a first spring (608) is arranged in the groove (609), and a locking plug rod (607) is arranged in the inside of the first spring (608).

9. A welded solid alloy milling cutter according to claim 8 wherein: one end of the locking plug rod (607) is a smooth cylindrical shape, the other end is provided as a trapezoidal structure, and the other end of the locking plug rod (607) is attached to the inclined surface of the fixed block (605).

10. The welded solid alloy mill according to claim 9, wherein: three groups of locking plug holes (610) are arranged in the axial direction of the mounting cavity (5), two in each group, the locking plug holes (610) correspond one-to-one to the locking plug rods (607), and are partially matched.

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