Anti-loosening milling cutter

Abstract

The utility model relates to the technical field of cutters, and discloses an anti-loosening milling cutter which comprises a cutter holder, a shaft hole used for connection is formed in the axis of the cutter holder, a plurality of separation grooves used for separation are formed in the outer wall face of the cutter holder at equal intervals, and one side of each separation groove is provided with an embedding groove used for connection. The cutting tool further comprises the tool handle assembly, cutting machining is facilitated, meanwhile, it is avoided that due to long-time use, the tool groove deforms, a blade block deviates, and therefore use of cutting machining is affected, and the cutting tool is convenient to disassemble and maintain and more practical while use of the cutting tool is not affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a cutter technical field, concretely is a kind of anti-loosening milling cutter. BACKGROUND

[0002] In the field of machining, milling cutter as important cutting tool, is widely used in the processing of various metal materials, the traditional milling cutter design usually includes handle and tool bit, wherein tool bit part includes detachable blade block, to facilitate the replacement and maintenance of blade block.

[0003] At present, many cutters adopt screw rod to fix blade block on tool holder, this kind of fixing mode is simple, but in long time, high strength cutting process, due to vibration, temperature change and other factors, the connecting part between tool groove and blade block is prone to deformation, leading to blade block position deviation, further influence cutting precision and surface quality, and the tool holder and handle of traditional cutter are mostly fixed installation structure, once tool bit wears or is damaged, it needs to be disassembled and replaced with new tool bit assembly, this process not only time-consuming and laborious, but also increases maintenance time, reduces production efficiency.

[0004] And in order to solve the above problems, while facilitating cutting, avoid deformation of tool groove caused by long time use, leading to blade block deviation, thereby affecting the use of cutting, and facilitating the disassembly and maintenance of cutter without affecting the use of cutter, for this purpose, we provide an anti-loosening milling cutter. SUMMARY

[0005] (I) technical problem solved

[0006] In view of the deficiencies of prior art, the utility model provides an anti-loosening milling cutter, which solves the above problems.

[0007] (II) technical scheme

[0008] In order to realize the above purpose, the utility model provides the following technical scheme: an anti-loosening milling cutter, comprising a tool holder, an axle hole for connection is formed at the shaft center of the tool holder, a plurality of separation grooves for separation are equidistantly formed on the outer wall surface of the tool holder, and a matching groove for connection is formed on one side of the separation groove, and the matching groove is in the form of sawtooth as a whole, and further comprising:

[0009] Handle assembly, the handle assembly is arranged in the inside of axle hole, and the handle assembly is used for connecting and installing between tool holder and handle.

[0010] Preferably, the inner wall surface of the separation groove is inserted and mounted with a gasket block matched with the matching groove at the position corresponding to the matching groove, and the side of the gasket block in contact with the matching groove is also in the form of sawtooth and matched with each other.

[0011] Preferably, the inside of the partition groove corresponds to the other side of the spacer block and is provided with a limiting block for fixing, the side edge of the limiting block abuts against the spacer block, and the limiting block is fixedly installed with the tool holder through a screw rod.

[0012] Preferably, the side edge of the spacer block is provided with a tool groove for installation, and the inside of the tool groove is fixedly installed with an edge block for cutting through a screw rod.

[0013] Preferably, the tool handle assembly comprises a limiting cover plate, a threaded rod and a sleeve shaft, the limiting cover plate is clampedly installed in the inside of the shaft hole, the back side of the limiting cover plate is fixedly installed with a threaded rod for connection, the outer wall surface of the threaded rod is threadedly connected with a sleeve shaft for connection, and the outer wall surface of the sleeve shaft is polygonal.

[0014] Preferably, the outer side of the sleeve shaft is also provided with a limiting sleeve for limiting, and the side edge groove of the shaft hole is also fixedly installed with an abutting block for abutting limiting.

[0015] Preferably, the top of the sleeve shaft is also fixedly installed with a fixed shaft rod which is also polygonal, and the fixed shaft rod is used for being connected with a lathe.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the utility model provides a loosening-preventing milling cutter which has the following beneficial effects:

[0018] 1. The loosening-preventing milling cutter is provided with the spacer block, which not only enhances the connection strength between the milling cutter main body and the partition part, but also effectively prevents loosening caused by vibration or impact in the cutting process through the interlocking design of the sawtooth shape, thereby improving the stability and durability of the overall structure.

[0019] 2. The loosening-preventing milling cutter is provided with the limiting block, which further reinforces the connection between the limiting block and the spacer block and ensures that the components can maintain close combination even under extreme working conditions, thereby preventing faults or accidents caused by component loosening and improving the overall safety and reliability of the milling cutter.

[0020] 3. The loosening-preventing milling cutter is provided with the tool groove and the edge block, so that the replacement and maintenance of the edge block become more convenient and efficient, and since the edge block is directly fixed in the tool groove of the spacer block, when the spacer block is damaged, only the spacer block needs to be replaced, without the need to replace the whole tool holder, which is more practical. ACCURACY OF DRAWINGS

[0021] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Fig. 2 It is the schematic view of the knife groove and the blade block structure of the utility model;

[0023] Fig. 3 It is the schematic view of the knife handle assembly structure of the utility model.

[0024] In the drawing: 1, the knife seat; 2, the shaft hole; 3, the separation groove; 4, the embedded groove; 5, the cushion block; 6, the limiting block; 7, the knife groove; 8, the blade block; 9, the limiting cover plate; 10, the threaded rod; 11, the sleeve shaft; 12, the limiting sleeve; 13, the abutting block; 14, the fixed shaft rod. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] Please refer to Figs. 1-3 A kind of anti-loosening milling cutter, including knife seat 1, the shaft hole 2 for being connected is set in the shaft center of knife seat 1, equidistantly set on the outer wall surface of knife seat 1 several separation grooves 3 for being separated, and the embedded groove 4 for being connected is set in one side of separation groove 3, embedded groove 4 as a whole presents sawtooth shape, further include:

[0027] Knife handle assembly, knife handle assembly is arranged inside the shaft hole 2, and knife handle assembly is used to connect and install between knife seat 1 and knife handle.

[0028] Further, the inner wall surface of separation groove 3 is inserted and installed with cushion block 5 that is in agreement with embedded groove 4 at the position corresponding to embedded groove 4, and the side of cushion block 5 that is in contact with embedded groove 4 also presents sawtooth shape and is in agreement with each other, by the setting of cushion block 5, not only the connecting strength between milling cutter main body and separation part is enhanced, but also the loosening phenomenon caused by vibration or impact in cutting process is effectively prevented by the mutual agreement design of sawtooth shape, the stability and durability of overall structure are improved.

[0029] Further, the other side of the inside of separation groove 3 corresponding to cushion block 5 is inserted and installed with limiting block 6 for being fixed, the side of limiting block 6 is in abutment with cushion block 5, limiting block 6 is fixedly installed together with knife seat 1 by screw rod, by the setting of limiting block 6, the connection of limiting block 6 and cushion block 5 is further reinforced, it is ensured that even under extreme working conditions, components can maintain close combination, prevent the failure or accident caused by component loosening, improve the overall safety and reliability of milling cutter.

[0030] Further, the side of the cushion block 5 is provided with a cutter groove 7 for installation, and the inside of the cutter groove 7 is fixedly installed with a blade block 8 for cutting processing by a screw rod. The cutter groove 7 and the blade block 8 are provided, so that the replacement and maintenance of the blade block 8 become more convenient and efficient. At the same time, since the blade block 8 is directly fixed in the cutter groove 7 of the cushion block 5, when the cushion block 5 is damaged, only the cushion block 5 needs to be replaced, without replacing the whole cutter holder, which is more practical.

[0031] Further, the cutter handle assembly includes a limiting cover plate 9, a threaded rod 10, and a sleeve shaft 11. The limiting cover plate 9 is clamped and installed in the inside of the shaft hole 2, and the back side of the limiting cover plate 9 is fixedly installed with a threaded rod 10 for connection. The threaded rod 10 is threadedly connected with a sleeve shaft 11 for connection on the outer wall surface thereof. The outer wall surface of the sleeve shaft 11 is polygonal. The provision of the cutter handle assembly greatly simplifies the installation and disassembly process between the milling cutter and the cutter handle, improves the working efficiency, and the design of the sleeve shaft 11 not only facilitates the use of tools for tightening, but also provides better gripping force through the polygonal outer wall surface, prevents the slipping phenomenon caused by excessive torque, and enhances the stability of the connection.

[0032] Further, the outside of the sleeve shaft 11 is also inserted and installed with a limiting sleeve 12 for limiting, and the side groove inside the shaft hole 2 is also fixedly installed with a resisting block 13 for resisting and limiting. The provision of the limiting sleeve 12 and the resisting block 13 further enhances the connection stability between the cutter handle assembly and the milling cutter body, effectively preventing accidental loosening caused by vibration or impact.

[0033] Further, the top of the sleeve shaft 11 is also fixedly installed with a fixed shaft rod 14 which is also polygonal. The fixed shaft rod 14 is used to be connected with a lathe. The provision of the fixed shaft rod 14 enables the milling cutter to be more conveniently and stably connected with the lathe and other equipment. The polygonal structure not only provides a larger contact area and stronger gripping force, but also facilitates the use of special tools for quick connection and disassembly, improves the working efficiency and connection reliability.

[0034] Usage instructions

[0035] When the pad 5 is deformed due to vibration, temperature change and the like, causing the cutting accuracy of the blade block 8 to be problematic, the limiting block 6 is only needed to be disassembled to limit the pad 5, then the pad 5 is disassembled and mechanically replaced, then the limiting block 6 is reinstalled, and the blade block 8 is installed on the blade groove 7, so that the overall replacement is completed, the maintenance cost can be reduced during use, and when the tool holder 1 needs to be disassembled, the abutting block 13 is only needed to be taken out from the recess on the side of the shaft hole 2, then the limiting sleeve 12 is taken out from the outside of the sleeve shaft 11, and the sleeve shaft 11 is disassembled from the threaded rod 10 by rotating, then the limiting cover plate 9 is ejected from the inside of the shaft hole 2, so that the tool holder 1 is replaced, the device is cooperated with the above structure, is convenient for cutting processing, avoids deformation of the blade groove caused by long-time use, causes the blade block to deviate, and affects the use of cutting processing, and is convenient for disassembly and maintenance of the cutting tool without affecting the use of the cutting tool, and is more practical.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kind of anti-loosening milling cutter, including tool holder (1), the shaft hole (2) for being connected is set up at the shaft center of tool holder (1), a plurality of separation grooves (3) for being separated are equidistantly set up on the outer wall surface of tool holder (1), and the side of separation groove (3) is all set up the matching slot (4) for being connected, the matching slot (4) is overall present as zigzag, it is characterized by: Also include: The knife handle assembly is arranged inside the shaft hole (2), which is used for the connection and installation between the knife handle and the knife seat (1).

2. The self-retaining milling cutter according to claim 1, wherein: The inner wall of the partition groove (3) is inserted and installed with a gasket (5) that matches the fitting groove (4) at the position corresponding to the fitting groove (4). The side of the gasket (5) in contact with the fitting groove (4) is also serrated and fits with each other.

3. The self-retaining milling cutter according to claim 2, wherein: The other side of the gasket (5) is inserted and installed with a limiting block (6) for fixing inside the partition groove (3). The side of the limiting block (6) is in contact with the gasket (5), and the limiting block (6) is fixedly installed with the knife seat (1) through a screw rod.

4. The self-retaining milling cutter according to claim 2, wherein: The side of the gasket (5) is provided with a knife groove (7) for installation. The inside of the knife groove (7) is fixedly installed with a blade block (8) for cutting through a screw rod.

5. The self-retaining milling cutter according to claim 1, wherein: The knife handle assembly includes a limiting cover plate (9), a threaded rod (10), and a sleeve shaft (11). The limiting cover plate (9) is clamped and installed inside the shaft hole (2), and the back side of the limiting cover plate (9) is fixedly installed with a threaded rod (10) for connection. The outer wall surface of the threaded rod (10) is threadedly connected with a sleeve shaft (11) for connection. The outer wall surface of the sleeve shaft (11) is polygonal.

6. The self-retaining milling cutter according to claim 5, wherein: The outer side of the sleeve shaft (11) is also inserted and installed with a limiting sleeve (12) for limiting. The side groove inside the shaft hole (2) is also fixedly installed with a contact block (13) for contact limiting.

7. The self-retaining milling cutter according to claim 5, wherein: The top of the sleeve shaft (11) is also fixedly installed with a fixed shaft rod (14) which is also polygonal. The fixed shaft rod (14) is used to connect with the lathe.

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