CN220698318U - Telescopic adjusting type T-shaped milling cutter and fixing assembly thereof - Google Patents

Abstract

The utility model belongs to the technical field of machining tools, and particularly relates to a telescopic adjusting type T-shaped milling cutter and a fixing component thereof, which comprise a cutter holder and a milling cutter, wherein the milling cutter is arranged in the cutter holder, the milling cutter comprises a cutter head and a cutter bar, four circumferentially distributed pin holes are formed in the outer surface of the lower end of the cutter head, an integrally formed mounting head is arranged at the top of the cutter bar, an inner hexagonal screw is connected with the inner lower end of the cutter bar in a threaded manner, a guide plate is rotationally connected with the outer surface of the upper end of the inner hexagonal screw, four circumferentially distributed guide frames are fixedly arranged at the top of the guide plate, and bolts are connected with the inner part of the guide frame in a sliding manner.

Description

Telescopic adjusting type T-shaped milling cutter and fixing assembly thereof

Technical Field

The utility model belongs to the technical field of machining tools, and particularly relates to a telescopic adjusting T-shaped milling cutter and a fixing assembly thereof.

Background

The milling cutter is a rotary cutter which is used for milling and has one or more cutter teeth, when in operation, each cutter tooth sequentially cuts off the allowance of a workpiece intermittently, the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on the milling machine, the T-shaped milling cutter is required to be fixed in the processing process, so that the milling cutter plays a role in stabilizing when in milling operation, and the processing efficiency of the workpiece is further improved;

through investigation publication (bulletin) number: 202211499148.5A telescopic T-shaped milling cutter and a fixing component thereof are disclosed, and the technical schemes of realizing the rotary motion among an inner ring gear fluted disc, a long column gear and a gear tooth strip by setting the twisting between a bolt type rotary table and a threaded column are disclosed in the technology, so that the technical effects of realizing the reinforcement of cutter handle pieces with different diameters, and simultaneously realizing the installation or disassembly between the threaded column and the bolt type rotary table are realized;

however, the cutter bar and the cutter head are of an integrated structure, the cutter can be worn or broken in the processing process, and the cutter bar is longer in design length due to the special problem of the milling cutter, so that the cutter head and the cutter bar can be discarded together after the cutter is damaged and scrapped, and the production cost is increased.

In order to solve the above problems, the present application provides a telescopic adjustment type T-shaped milling cutter and a fixing assembly thereof.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a telescopic adjusting T-shaped milling cutter and a fixing component thereof, which have the characteristics that a cutter head and a cutter bar can be disassembled and assembled, the disassembly and assembly between the milling cutter and the cutter holder can be fast and convenient, and the milling cutter is firmly and stably arranged on the cutter holder.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flexible regulation type T type milling cutter and fixed subassembly thereof, includes blade holder and milling cutter, the internally mounted of blade holder has milling cutter, milling cutter includes tool bit and cutter arbor, four circumference distribution's pinhole has been seted up to the lower extreme surface of tool bit, the top of cutter arbor is equipped with integrated into one piece's installation head, the inside lower extreme threaded connection of cutter arbor has interior hexagonal screw rod, the upper end surface rotation of interior hexagonal screw rod is connected with the deflector, the top of deflector is fixed with four circumference distribution's leading truck, the inside sliding connection of leading truck has the bolt.

As the preferable technical scheme of the telescopic adjusting T-shaped milling cutter and the fixing component thereof, the guide frame is internally provided with the sliding groove, and the guide frame is in sliding connection with the bolt through the sliding groove.

As a preferable technical scheme of the telescopic adjusting T-shaped milling cutter and the fixing component thereof, the bolt is arranged in the mounting head and is in sliding connection.

As the preferable technical scheme of the telescopic adjusting T-shaped milling cutter and the fixing component thereof, the outer surface of the cutter holder is hinged with four pin buckles distributed circumferentially, the inner surface of the lower end of each pin buckle is of an inclined surface structure, and the outer surface of the lower end of the cutter holder is connected with a pressing ring in a threaded manner.

As the preferable technical scheme of the telescopic adjusting T-shaped milling cutter and the fixing component thereof, the lower end of the inner part of the cutter holder is provided with the expansion sleeve in an inserted mode, and an inner hexagon bolt is connected between the outer surface of the lower end of the expansion sleeve and the inner surface of the lower end of the cutter holder in a threaded mode.

As a preferable technical scheme of the telescopic adjusting T-shaped milling cutter and the fixing component thereof, the inner surface of the expansion sleeve is provided with a slotted hole.

Compared with the prior art, the utility model has the beneficial effects that: the cutter head is sleeved on the mounting head on the cutter bar, then the inner hexagonal screw is rotated clockwise to drive the guide plate to move upwards, the guide plate drives the bolt to extend outwards through the guide frame until the bolt is inserted into the pin hole on the cutter head, so that the cutter head and the cutter bar are fixed, the cutter head and the cutter bar can be disassembled, and only the cutter head needs to be replaced when the cutter head is damaged;

the milling cutter is inserted into the cutter holder, the pressing ring is rotated clockwise to move upwards, the pin buckle is pushed by the pressing ring to turn over, the upper end of the pin buckle is buckled with the outer end of the cutter bar, and the milling cutter is fixed on the cutter holder; the milling cutter and the cutter holder can be quickly and conveniently disassembled and assembled;

after the milling cutter is mounted in the cutter holder, the lower end of the expansion sleeve and the lower end of the cutter holder are fixed through the inner hexagon bolt, and meanwhile the expansion sleeve is extruded, so that the lower end of the cutter bar is fastened; so that the milling cutter is firmly and stably arranged on the cutter holder.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the bottom part of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is a schematic view of the structure of the part A in FIG. 3 according to the present utility model;

FIG. 5 is a schematic cross-sectional view of a tool holder according to the present utility model;

in the figure: 1. a tool apron; 2. a milling cutter; 201. a cutter head; 202. a cutter bar; 3. a pin hole; 4. a mounting head; 5. an inner hexagonal screw; 6. a guide plate; 7. a guide frame; 8. a plug pin; 9. a pin buckle; 10. a packing ring; 11. an expansion sleeve; 12. an inner hexagon bolt; 13. a slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a flexible regulation type T type milling cutter and fixed subassembly thereof, including blade holder 1 and milling cutter 2, the internally mounted of blade holder 1 has milling cutter 2, milling cutter 2 includes tool bit 201 and cutter arbor 202, four circumference distribution's pinhole 3 have been seted up to the lower extreme surface of tool bit 201, the top of cutter arbor 202 is equipped with integrated into one piece's installation head 4, the inside lower extreme threaded connection of cutter arbor 202 has interior hexagonal screw 5, the upper end surface rotation of interior hexagonal screw 5 is connected with deflector 6, the top of deflector 6 is fixed with four circumference distribution's leading truck 7, the inside sliding connection of deflector 7 has bolt 8, in this embodiment, through establish the tool bit 201 cover on the installation head 4 on cutter arbor 202, then clockwise rotation interior hexagonal screw 5 drives deflector 6 and upwards moves, deflector 6 passes through leading truck 7 and drives bolt 8 outwards extend, until inside the pinhole 3 on inserting tool bit 201, thereby fix tool bit 201 and cutter arbor 202.

Specifically, the inside of leading truck 7 has seted up the spout, and leading truck 7 passes through spout and bolt 8 sliding connection, makes the leading truck 7 during the motion accessible spout drive bolt 8 vertical movement in this embodiment.

Specifically, the latch 8 is slidably connected to the inside of the mounting head 4, so that the latch 8 moves horizontally along the inside of the mounting head 4 in this embodiment.

Specifically, the outer surface of the tool apron 1 is hinged with four circumferentially distributed pin buckles 9, the inner surface of the lower end of the pin buckle 9 is of an inclined surface structure, the outer surface of the lower end of the tool apron 1 is in threaded connection with a packing ring 10, in the embodiment, after the milling cutter 2 is inserted into the tool apron 1, the packing ring 10 is rotated clockwise to move upwards, the packing ring 10 pushes the pin buckle 9 to overturn, so that the upper end of the pin buckle 9 buckles the outer end of the cutter bar 202, and the milling cutter 2 is fixed on the tool apron 1.

Specifically, the expansion sleeve 11 is inserted and mounted at the lower end of the tool holder 1, and an inner hexagon bolt 12 is screwed between the outer surface of the lower end of the expansion sleeve 11 and the inner surface of the lower end of the tool holder 1, in this embodiment, after the milling cutter 2 is mounted inside the tool holder 1, the lower end of the expansion sleeve 11 is fixed with the lower end of the tool holder 1 through the inner hexagon bolt 12, and meanwhile, the expansion sleeve 11 is extruded, so that the lower end of the cutter bar 202 is fastened.

Specifically, the inner surface of the expansion sleeve 11 is provided with a slot 13, which in this embodiment allows a certain contraction space when the expansion sleeve 11 is extruded.

The working principle and the using flow of the utility model are as follows: firstly, the milling cutter 2 is inserted into the cutter holder 1, the packing ring 10 moves upwards by rotating clockwise, the packing ring 10 pushes the pin buckle 9 to overturn, the upper end of the pin buckle 9 buckles the outer end of the cutter bar 202, and the milling cutter 2 is fixed on the cutter holder 1; then, an inner hexagon bolt 12 is arranged to fix the lower end of the expansion sleeve 11 and the lower end of the tool apron 1, and simultaneously the expansion sleeve 11 is extruded, so that the lower end of the tool bar 202 is fastened; finally, the cutter head 201 is sleeved on the mounting head 4 on the cutter bar 202, then the inner hexagonal screw 5 is rotated clockwise to drive the guide plate 6 to move upwards, and the guide plate 6 drives the plug pin 8 to extend outwards through the guide frame 7 until the plug pin 8 is inserted into the pin hole 3 on the cutter head 201, so that the cutter head 201 and the cutter bar 202 are fixed.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a flexible regulation type T type milling cutter and fixed subassembly thereof, includes blade holder (1) and milling cutter (2), its characterized in that: internally mounted of blade holder (1) has milling cutter (2), milling cutter (2) include tool bit (201) and cutter arbor (202), four circumference distribution's pinhole (3) have been seted up to the lower extreme surface of tool bit (201), the top of cutter arbor (202) is equipped with integrated into one piece's installation head (4), the inside lower extreme threaded connection of cutter arbor (202) has interior hexagonal screw (5), the upper end surface rotation of interior hexagonal screw (5) is connected with deflector (6), the top of deflector (6) is fixed with four circumference distribution's leading truck (7), the inside sliding connection of leading truck (7) has bolt (8).

2. The telescopic adjustment T-milling cutter and its mounting assembly of claim 1, wherein: the inside of the guide frame (7) is provided with a sliding groove, and the guide frame (7) is in sliding connection with the bolt (8) through the sliding groove.

3. The telescopic adjustment T-milling cutter and its mounting assembly of claim 1, wherein: the bolt (8) is arranged in the installation head (4) and is in sliding connection.

4. The telescopic adjustment T-milling cutter and its mounting assembly of claim 1, wherein: the outer surface of the tool apron (1) is hinged with four pin buckles (9) which are circumferentially distributed, the inner surface of the lower end of each pin buckle (9) is of an inclined surface structure, and the outer surface of the lower end of the tool apron (1) is in threaded connection with a pressing ring (10).

5. The telescopic adjustment T-milling cutter and its mounting assembly of claim 1, wherein: the inner lower end of the tool apron (1) is inserted and provided with an expansion sleeve (11), and an inner hexagon bolt (12) is connected between the outer surface of the lower end of the expansion sleeve (11) and the inner surface of the lower end of the tool apron (1) in a threaded manner.

6. The telescopic adjustment type T-milling cutter and its attachment assembly according to claim 5, wherein: the inner surface of the expansion sleeve (11) is provided with a slotted hole (13).