CN220533061U - Crushing milling cutter adopting double locking connection - Google Patents

Abstract

The utility model discloses a crushing milling cutter adopting double locking connection, which comprises a cutter head and a cutter holder, wherein a fixing rod is fixedly connected to the cutter head, a through hole which is in sliding connection with the fixing rod is formed in the cutter holder, a screw sleeve is connected to the fixing rod through threads, and the adjacent distance between the cutter head and the cutter holder is controlled through an adjusting piece. According to the utility model, the end part of the screw rod can extend into the screw groove by rotating the screw rod, when the cutter head is replaced, the screw rod on the new cutter head is only required to be rotated until the part of the screw rod protruding the cutter head is consistent with the screw rod on the old cutter head, and after the new cutter head is installed with the cutter seat, the height of the milling cutter is consistent, and the milling cutter is convenient to use without additionally adjusting the height of the milling cutter.

Description

Crushing milling cutter adopting double locking connection

Technical Field

The utility model relates to the technical field of milling cutters, in particular to a crushing milling cutter adopting double locking connection.

Background

Milling tools are rotary tools for milling machining having one or more cutter teeth.

The existing crushing milling cutter is fixed in a shaft hole matching and fastening mechanism assisting mode, although the installation of the crushing milling cutter can be realized, in the actual use process, as the fixing hole of the finish milling cutter is generally a cylindrical hole, when the milling cutter needs to be replaced, the height of the milling cutter needs to be adjusted after the new milling cutter is installed, so that the position of the new finish milling cutter is identical to that of the old finish milling cutter, and the subsequent processing is convenient.

However, such an operation method causes inconvenience in disassembly, assembly and replacement of the milling cutter. Therefore, there is a need for a milling cutter that is more convenient to install.

Disclosure of Invention

The utility model aims at: in order to solve the above problems, a milling cutter using double locking connection is proposed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an adopt crushing milling cutter of dual locking connection, includes tool bit and blade holder, fixedly connected with dead lever on the tool bit, offer on the blade holder with dead lever sliding connection's through-hole, there is the swivel nut through threaded connection on the dead lever, its adjacent distance of tool bit and blade holder control through the regulating part.

Preferably, the adjusting piece comprises a screw groove formed in the cutter head, a screw rod is connected to the screw groove through threads, a supporting groove matched with the screw rod is formed in the cutter holder, and a matching piece matched with the fixing rod is arranged on the cutter holder.

Preferably, the tool bit is provided with an annular groove and a vertical groove, the annular groove is slidably connected with a circular ring, a lug which is slidably connected with the vertical groove is fixedly connected to the side wall of the circular ring, a connecting rod is fixedly connected to the circular ring, the tool apron is provided with a sliding groove matched with the connecting rod, and a first spring is arranged in the annular groove.

Preferably, the matching piece comprises a groove formed in the tool apron, a lantern ring is slidably connected to the groove, a bottom rod is fixedly connected to the lantern ring, and a second spring is sleeved at the groove.

Preferably, one end of the second spring is fixedly connected with the inner top wall of the groove, and the other end of the second spring is fixedly connected with the lantern ring.

Preferably, the elastic force of the first spring pushes the circular ring to move upwards, and the connecting rod stretches into the sliding groove.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. the screw rod is rotated, the end portion of the screw rod can extend into the screw groove, when the cutter head is replaced, the screw rod on the new cutter head is required to rotate until the position of the screw rod protruding out of the cutter head is consistent with that of the screw rod on the old cutter head, the new cutter head at the moment is installed with the cutter holder, the height of the milling cutter is consistent, the milling cutter is not required to be additionally adjusted, and the milling cutter is convenient.

2. According to the screw sleeve, the tool bit and the tool holder are fixed into a whole under the action of the screw sleeve, then under the action of the second spring, the lantern ring moves until the end part of the bottom rod is abutted against the screw sleeve, and the screw sleeve is limited by the bottom rod and cannot be separated from the fixed rod, so that the double-locking effect is achieved, and the tool bit and the tool holder are connected.

Drawings

Fig. 1 shows a schematic view of the overall structure of a milling cutter according to an embodiment of the present utility model;

FIG. 2 shows a schematic view of a cutter head portion according to an embodiment of the present utility model;

FIG. 3 shows a schematic view of the structure of each part of a cutter head according to an embodiment of the present utility model;

fig. 4 shows a schematic view of a tool holder according to an embodiment of the present utility model;

FIG. 5 shows a schematic view of a ring groove portion of a tool bit according to an embodiment of the present utility model;

fig. 6 shows a schematic view of a structure of one side of a tool holder according to an embodiment of the present utility model;

legend description:

1. a cutter head; 2. a ring groove; 3. a vertical groove; 4. a first spring; 5. a screw groove; 6. a fixed rod; 7. a circular ring; 8. a bump; 9. a connecting rod; 10. a screw; 11. a tool apron; 12. a groove; 13. a second spring; 14. a collar; 15. a bottom bar; 16. a groove is propped against; 17. a chute; 18. a through hole; 19. a screw sleeve.

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.

Referring to fig. 1-6, the present utility model provides a technical solution:

the utility model provides an adopt crushing milling cutter of dual locking connection, includes tool bit 1 and blade holder 11, its characterized in that, fixedly connected with dead lever 6 on the tool bit 1, offered on the blade holder 11 with dead lever 6 sliding connection's through-hole 18, have swivel nut 19 through threaded connection on the dead lever 6, its adjacent distance of tool bit 1 and blade holder 11 control through the regulating part. The fixing rod 6 penetrates through a through hole 18 formed in the tool holder 11, and a threaded sleeve 19 can be used, so that the tool bit 1 and the tool holder 11 are fixed into a whole.

Specifically, as shown in fig. 1, the adjusting member includes a cutter head 1 provided with a screw groove 5, the screw groove 5 is connected with a screw 10 through threads, the cutter seat 11 is provided with a supporting groove 16 adapted to the screw 10, and the cutter seat 11 is provided with a matching member matched with the fixing rod 6. The screw 10 rotates at the screw groove 5 while moving in the vertical direction. When the tool bit 1 is connected with the tool apron 11, the tip of screw rod 10 stretches into the groove 16, adjusts the distance that screw rod 10 outstanding tool bit 1, can change the installation height of tool bit 1, and when changing new tool bit 1, the screw rod 10 of new tool bit 1 keeps unanimous with the distance that the screw rod 10 of old tool bit 1 outstanding tool bit 1, can lead to changing tool bit 1 after, keeps the position of tool bit 1 unanimous.

Specifically, as shown in fig. 3, the tool bit 1 is provided with a ring groove 2 and a vertical groove 3, the ring groove 2 is slidably connected with a circular ring 7, a bump 8 slidably connected with the vertical groove 3 is fixedly connected to the side wall of the circular ring 7, a connecting rod 9 is fixedly connected to the circular ring 7, the tool apron 11 is provided with a chute 17 adapted to the connecting rod 9, and a first spring 4 is arranged in the ring groove 2. The elastic force of the first spring 4 pushes the circular ring 7 to move upwards, and the connecting rod 9 stretches into the sliding groove 17, so that the cutter head 1 can be driven to rotate together when the cutter seat 11 rotates.

Specifically, as shown in fig. 4, the matching piece includes a groove 12 formed on the tool apron 11, a collar 14 slidably connected to the groove 12, a bottom rod 15 fixedly connected to the collar 14, a second spring 13 sleeved on the groove 12, one end of the second spring 13 fixedly connected to the inner top wall of the groove 12, and the other end fixedly connected to the collar 14. The collar 14 is moved by the elastic force of the second spring 13 until the bottom rod 15 abuts against the threaded sleeve 19, thereby restricting the threaded sleeve 19.

In summary, when the tool bit 1 is replaced according to the present embodiment, the screw 10 on the new tool bit 1 is rotated until the distance that the screw 10 protrudes from the tool bit 1 is consistent with the screw 10 on the old tool bit 1. Subsequently, the cutter head 1 is butted with the cutter holder 11, the screw 10 extends into the abutting groove 16, the connecting rod 9 extends into the sliding groove 17, and the fixing rod 6 penetrates through the through hole 18. The lantern ring 14 is pushed to move upwards, the threaded sleeve 19 is connected with the fixed rod 6 through threads until the cutter head 1 is fixed with the cutter seat 11, the force on the lantern ring 14 can be released, the lantern ring 14 moves downwards under the elastic force of the second spring 13 until the bottom rod 15 abuts against the threaded sleeve 19, and the cutter head 1 is connected with the cutter seat 11.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides an adopt crushing milling cutter of dual locking connection, includes tool bit (1) and blade holder (11), its characterized in that, fixedly connected with dead lever (6) on tool bit (1), offered through-hole (18) with dead lever (6) sliding connection on blade holder (11), there is swivel nut (19) on dead lever (6) through threaded connection, its adjacent distance of tool bit (1) and blade holder (11) through regulating part control.

2. The crushing milling cutter adopting double locking connection according to claim 1, wherein the adjusting piece comprises a cutter head (1) provided with a screw groove (5), a screw rod (10) is connected to the screw groove (5) through threads, a supporting groove (16) matched with the screw rod (10) is formed in the cutter holder (11), and a matching piece matched with the fixing rod (6) is arranged on the cutter holder (11).

3. The crushing milling cutter adopting double locking connection according to claim 1, characterized in that the cutter head (1) is provided with a ring groove (2) and a vertical groove (3), the ring groove (2) is slidably connected with a circular ring (7), a lug (8) slidably connected with the vertical groove (3) is fixedly connected to the side wall of the circular ring (7), a connecting rod (9) is fixedly connected to the circular ring (7), a chute (17) matched with the connecting rod (9) is formed in the cutter holder (11), and a first spring (4) is arranged in the ring groove (2).

4. The milling cutter according to claim 2, wherein the matching piece comprises a cutter holder (11) provided with a groove (12), a lantern ring (14) is slidably connected to the groove (12), a bottom rod (15) is fixedly connected to the lantern ring (14), and a spring II (13) is sleeved at the groove (12).

5. The milling cutter according to claim 4, wherein one end of the second spring (13) is fixedly connected to the inner top wall of the recess (12), and the other end is fixedly connected to the collar (14).

6. A milling cutter according to claim 3, wherein the elastic force of the first spring (4) pushes the ring (7) upwards, and the connecting rod (9) extends into the chute (17).