CN218799397U

CN218799397U - Replaceable quick-dismantling cutter structure

Info

Publication number: CN218799397U
Application number: CN202223428138.0U
Authority: CN
Inventors: 邹泽伟; 蒋仙法
Original assignee: Dongguan Jinzhao Numerical Control Technology Co ltd
Current assignee: Dongguan Jinzhao Numerical Control Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-07
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a replaceable quick-release cutter structure, relating to the technical field of machining, comprising a cutter head, wherein one side of the cutter head is provided with a machining part; the cutter bar is clamped with a chuck of the numerical control equipment; the quick-release disc body is connected with the cutter head and the cutter bar respectively at two sides and used for realizing the quick separation of the cutter head and the cutter bar; wherein, the quick detach disk body is connected with cutter arbor one side including fixed disk body and activity disk body, fixed disk body, and the activity disk body is connected with tool bit one side, can dismantle the joint between fixed disk body and the activity disk body. According to the utility model discloses a removable quick detach cutter structure, tool bit and cutter arbor link together through the quick detach disk body, and the simple structure of fixed disk body and activity disk body, low in manufacturing cost effectively reduces cutter consumptive material cost. And the fixed disk body and the movable disk body are quickly disassembled, so that the manipulator of the numerical control machining equipment can be conveniently disassembled in a one-key mode, the cutter replacing efficiency is improved, and the production efficiency of the equipment is improved.

Description

Replaceable quick-dismantling cutter structure

Technical Field

The utility model relates to the technical field of machining, in particular to removable quick detach cutter structure.

Background

A milling cutter is a rotary tool with one or more cutter teeth for milling, mainly for machining planes, steps, grooves, formed surfaces, cutting off workpieces and the like. With the rapid development of metal doors and windows, building curtain walls, the transportation industry, the chemical industry, the power equipment industry, the national defense military industry and other industries in China, the demand for cast iron and iron materials will be continuously increased. With the progress of industry 4.0 in China, numerical control equipment is widely applied, has absolute advantages in machining efficiency, and in order to improve economic efficiency, the industry further reduces the manufacturing cost and the operating cost of the numerical control equipment, prolongs the service life of milling cutters such as milling cutters and the like, and improves the profit of finishing production. And the cutter consumptive material is as one of the main consumptive material of course of working, reduces the use cost of cutter and shortens the time of changing the cutter, can be favorable to promoting numerical control equipment's machining efficiency and reduce the processing cost.

The china patent ZL 202221698989.4 discloses a cylindrical hard alloy milling cutter with a quickly replaceable cutting edge, which comprises a cutter bar and a cutter head, wherein the cutter head is arranged at the top end of the cutter bar, a containing cylinder is arranged at the joint of the outer side of the cutter bar and the cutter head, the bottom end of the cutter bar is of a hollow cylinder structure, an installation block is arranged at the inner side of an opening at the bottom end of the cutter bar, and a heat dissipation assembly is arranged at the outer side of the containing cylinder; the top end of the cutter bar is provided with a longitudinally-penetrated restraint groove, and the outer side of the cutter head is spirally provided with a blade.

After the tool is machined for a period of time, the cutting edges have a wear problem, so that the tool needs to be replaced regularly to ensure the milling effect. The separation structure of the cutter is complex in structure, the manufacturing cost is higher than that of an integrally formed cutter, the replacement steps are complex, and the cutter is difficult to replace the damaged cutter head quickly when being applied to the machining process of numerical control equipment, so that the machining efficiency of the numerical control equipment is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is complicated to aim at solving the isolating construction structure of "above-mentioned cutter that exists among the prior art at least, and manufacturing cost is higher than the integrated into one piece cutter to it is loaded down with trivial details to change the step, uses the tool bit that is difficult to replace the damage fast in the numerical control equipment course of working, influences the technical problem of numerical control equipment machining efficiency". Therefore, the utility model provides a removable quick detach cutter structure can the quick replacement cutter, promotes numerical control machining efficiency. The self-positioning effect is realized through the high-speed work of the numerical control equipment, the structure is simple, the manufacturing cost is low, and the material consumption of the cutter is effectively reduced.

According to the utility model discloses a removable quick detach cutter structure of some embodiments is applied to in the numerical control processing equipment, include:

the milling tool comprises a tool bit, wherein a processing part is arranged on one side of the tool bit and is used for milling in a contact manner with a processing surface;

the cutter bar is clamped with a chuck of the numerical control equipment; and (c) a second step of,

the quick-release disc body is connected with the cutter head and the cutter bar respectively at two sides and used for realizing the quick separation of the cutter head and the cutter bar;

wherein, the quick detach disk body is including fixed disk body and activity disk body, fixed disk body with cutter arbor one side is connected, the activity disk body with tool bit one side is connected, fixed disk body with can dismantle the joint between the activity disk body.

According to some embodiments of the present invention, the diameter of the fixing disc body is larger than the diameter of the cutter bar, and a positioning slot is circumferentially arranged on the periphery of the fixing disc body; the diameter of the fixed disk body is larger than that of the cutter head, a positioning clamping block is arranged on the periphery of the fixed disk body in a surrounding mode, and the positioning clamping block is connected with the positioning clamping groove in a clamping mode.

According to some embodiments of the utility model, positioning groove is provided with three groups, encircles the periphery setting of fixed disk body, each contained angle between the positioning groove is 120.

According to the utility model discloses a some embodiments, positioning groove's inside is provided with spacing portion, positioning fixture block one side is provided with the connecting block, works as positioning fixture block embedding when in the positioning groove, it is rotatory positioning fixture block makes the connecting block with spacing portion gomphosis.

According to some embodiments of the utility model, the middle part of fixed disk body inwards caves in and forms the counterpoint chamber, the middle part arch of activity disk body is provided with the counterpoint piece, works as fixed disk body with when the activity disk body is connected, the counterpoint chamber with the counterpoint piece matches, is used for the calibration the tool bit with the axle center of cutter arbor.

According to the utility model discloses a some embodiments, counterpoint piece is the circular truncated cone form, counterpoint chamber the shape with counterpoint piece matches each other.

According to the utility model discloses a some embodiments, the bottom of counterpointing the chamber inwards extends and is provided with the mounting groove, be provided with elastic support element in the mounting groove, elastic support element is used for preventing fixed disk body with it is not hard up to produce when the activity disk body connects.

According to the utility model discloses a some embodiments, elastic support element's one end is fixed in the bottom of mounting groove, the other end salient in elastic support groove in counterpoint intracavity.

According to the utility model discloses a some embodiments, the inside cooling hole that is provided with through of tool bit, the cooling hole is followed processing portion link up to activity disk body department, the cooling hole is used for holding the part coolant liquid under the processing state and cools off inside the tool bit.

According to the utility model discloses a some embodiments, the cooling hole is close to one side of processing portion is provided with keeps away the dead zone, it is used for preventing to keep away the dead zone the trompil of cooling hole is blockked up by the processing piece.

According to the utility model discloses a removable quick detach cutter structure of some embodiments has following beneficial effect at least: the cutter head with the cutter arbor passes through the quick detach disk body links together, fixed disk body with the simple structure of activity disk body, low in manufacturing cost effectively reduces cutter consumptive material cost. And the fixed disk body and the movable disk body are quickly disassembled, so that the mechanical arm of the numerical control machining equipment can be conveniently disassembled in a one-key mode, the cutter replacing efficiency is improved, and the production efficiency of the equipment is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a replaceable quick-release tool structure according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a connection between a positioning clamping block and a positioning clamping groove according to an embodiment of the present invention;

fig. 3 is a bottom view of the fixed plate according to the embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a tool bit according to an embodiment of the present invention.

Reference numerals are as follows:

a cutting head 100, a processing part 110, a cooling hole 120, a clearance area 121, a cutter bar 200,

The quick release disk body 300, the fixed disk body 310, the positioning clamping groove 311, the limiting part 311-1, the alignment cavity 312, the mounting groove 313, the elastic support 314, the movable disk body 320, the positioning clamping block 321, the connecting block 321-1 and the alignment block 322.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, top, bottom, etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A replaceable quick release tool structure according to an embodiment of the present invention will be described with reference to fig. 1 to 4.

As shown in fig. 1-4, removable quick detach cutter structure mainly uses in numerical control processing equipment, and in numerical control machining process, numerical control equipment's cutter adopts blade disc or manipulator to change usually, the technical scheme of the utility model mainly use in the numerical control equipment that the cutter was changed to the manipulator. Different with the current cutter structure that can dismantle tool bit 100, the utility model discloses a removable quick detach cutter structure mainly is numerical control device's manipulator quick detach design, has optimized the structure, the manipulator dismouting of being convenient for to promote the efficiency that numerical control device changed the cutter, further improve equipment takt. The simplified disassembly and assembly structure can reduce the production cost of the cutter, thereby reducing the use material consumption of the cutter, greatly reducing the material consumption cost of numerical control machining and effectively improving the machining efficiency.

The utility model discloses a removable quick detach cutter structure includes tool bit 100, cutter arbor 200 and quick detach disk body 300. Specifically, one side of the tape head is provided with a processed portion 110, and the processed portion 110 is used to contact a processed surface and mill the surface. And the cutter bar 200 is clamped with a chuck of the numerical control equipment, and two sides of the quick-release disc body 300 are respectively connected with the cutter head 100 and the cutter bar 200, so as to realize the quick separation of the cutter head 100 and the cutter bar 200.

The quick release disc body 300 comprises a fixed disc body 310 and a movable disc body 320, the fixed disc body 310 is connected with one side of the cutter bar 200, the movable disc body 320 is connected with one side of the cutter head 100, and the fixed disc body 310 and the movable disc body 320 are detachably clamped.

The numerical control device drives the cutter bar 200 to rotate, so that the cutter head 100 rotates at a high speed, and in the process of high-speed operation of the cutter, the fixed disc body 310 and the movable disc body 320 realize self-locking under the action of centrifugal force, so that the cutter head 100 is prevented from being separated from the cutter bar 200.

In some embodiments of the present invention, as shown in fig. 1-3, the diameter of the fixing disc 310 is larger than that of the cutter bar 200, and the periphery of the fixing disc 310 is surrounded by the positioning slot 311. The diameter of the fixed disc 310 is greater than that of the cutter head 100, a positioning latch 321 is circumferentially arranged on the periphery of the fixed disc 310, and the positioning latch 321 is clamped with the positioning latch 311. Specifically, in order to secure the structural strength of the cutter, the fixed disc 310 is integrally formed with the cutter bar 200, the movable disc 320 is integrally formed with the cutter head 100, and the positioning latch 321 is integrally formed with the movable disc 320. When the positioning latch 321 is engaged with the positioning latch slot 311, the cutting head 100 and the movable disc 320 are rotated clockwise, so that the positioning latch 321 is engaged with the positioning latch slot 311. When the numerical control device is in a working state, the positioning fixture block 321 and the positioning fixture slot 311 can be prevented from being separated by a centrifugal force generated by high-speed rotation.

In some embodiments of the present invention, as shown in fig. 1 to 3, three sets of positioning slots 311 are provided, which are disposed around the periphery of the fixing plate 310, and the included angle between the positioning slots 311 is 120 °.

Specifically, in order to achieve a better axial alignment fixing effect, a plurality of positioning slots 311 and positioning blocks 321 are used for connection. The utility model discloses quantity to fixed slot and fixed fixture block differs one and gives unnecessary details, should understand, does not deviate from the utility model discloses under the prerequisite of basic concept, the nimble transform of quantity of fixed slot and fixed fixture block all should be regarded as being in the utility model discloses within the scope of protection injectd.

In some embodiments of the present invention, as shown in fig. 1 and fig. 2, the positioning slot 311 is provided with a limiting portion 311-1 inside, one side of the positioning block 321 is provided with a connecting block 321-1, and when the positioning block 321 is embedded into the positioning slot 311, the positioning block 321 is rotated to engage the connecting block 321-1 with the limiting portion 311-1.

Specifically, the limiting portion 311-1 is an L-shaped groove, the connecting block 321-1 is an L-shaped block, and when the connecting block 321-1 of the positioning block 321 is clamped into the limiting portion 311-1 of the positioning clamp slot 311, the movable disk body 320 and the fixed disk body 310 are fixed to each other and connected into a whole, so as to realize synchronous rotation. The positioning fixture block 321 is effectively prevented from being separated from the positioning fixture slot 311 in the high-speed rotation process.

In some embodiments of the present invention, as shown in fig. 1 and 3, the middle portion of the fixed disk 310 is recessed inwards to form a positioning cavity 312, the middle portion of the movable disk 320 is raised to be provided with a positioning block 322, and when the fixed disk 310 is connected with the movable disk 320, the positioning cavity 312 is matched with the positioning block 322, so as to calibrate the axes of the tool bit 100 and the tool bar 200.

Specifically, the middle of the alignment cavity 312 and the alignment block 322 are located at the center of the tool bar 200 and the tool bit 100. When the tool bit 100 and the tool holder 200 are coupled, the alignment cavity 312 and the alignment block 322 are coupled to further prevent the tool bit 100 and the tool holder 200 from being misaligned.

In a further embodiment, as shown in fig. 1 and 3, the alignment block 322 is in the shape of a truncated cone, and the alignment cavity 312 is shaped to match the alignment block 322. Specifically, the truncated cone shape can help the manipulator to perform the alignment assisting function in the process of mounting the tool bit 100 to the tool bar 200, and the inclined surface of the alignment block 322 and the inclined surface of the alignment cavity 312 are guided by each other, so that the movable disc 320 and the fixed disc 310 are aligned and connected.

In some embodiments of the present invention, as shown in fig. 1, a mounting groove 313 is provided at the bottom of the alignment cavity 312 to extend inward, an elastic support 314 is provided in the mounting groove 313, and the elastic support 314 is used to prevent the fixed tray 310 and the movable tray 320 from loosening when being connected. Specifically, the diameter of the elastic supporting member 314 is equal to the diameter of the alignment cavity 312, preventing the elastic supporting member 314 from being deformed in the mounting groove 313.

In a further embodiment, as shown in fig. 1, one end of the elastic supporting member 314 is fixed to the bottom of the mounting groove 313, and the other end of the elastic supporting groove protrudes into the alignment cavity 312. Specifically, after the fixed tray body 310 and the movable tray body 320 are connected, the elastic support 314 is in a compressed state, and the elastic support 314 pushes the positioning fixture 321 of the movable tray body 320 to fit with the positioning fixture slot 311, so as to further improve the connecting force between the movable tray body 320 and the fixed tray body 310.

In some embodiments of the present invention, as shown in fig. 1 and 4, a through cooling hole 120 is provided inside the tool bit 100, the cooling hole 120 penetrates from the machining portion 110 to the movable disk body 320, and the cooling hole 120 is used for receiving a part of the cooling liquid in the machining state and cooling the inside of the tool bit 100. The coolant liquid at the periphery of the processing part 110 is dispersed along the periphery of the tool bit 100 under the action of centrifugal force, and the coolant liquid at the middle part of the processing part 110 can enter the inside of the tool from the cooling hole 120, so that the inside is cooled, the overall working temperature of the tool is reduced, and the service life of the tool is prolonged.

In a further embodiment, as shown in fig. 1 and 4, a clearance area 121 is provided on a side of the cooling hole 120 close to the machining portion 110, and the clearance area 121 is used for preventing the opening of the cooling hole 120 from being blocked by machining debris.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a removable quick detach cutter structure, is applied to among the numerical control machining equipment, its characterized in that includes:

the milling tool comprises a tool bit (100), wherein a processing part (110) is arranged on one side of the tool bit (100), and the processing part (110) is used for milling in a contact manner with a processing surface;

the cutter bar (200) is clamped with a chuck of the numerical control equipment; and the number of the first and second groups,

the quick-release disc body (300), two sides of the quick-release disc body (300) are respectively connected with the tool bit (100) and the tool bar (200) for realizing the quick separation of the tool bit (100) and the tool bar (200);

the quick release disc body (300) comprises a fixed disc body (310) and a movable disc body (320), the fixed disc body (310) is connected with one side of the cutter bar (200), the movable disc body (320) is connected with one side of the cutter head (100), and the fixed disc body (310) and the movable disc body (320) are connected in a detachable mode.

2. The structure of replaceable quick-release tools according to claim 1, characterized in that the diameter of the fixed disc (310) is larger than that of the tool bar (200), and a positioning slot (311) is arranged around the periphery of the fixed disc (310);

the diameter of the fixed disc body (310) is larger than that of the tool bit (100), a positioning fixture block (321) is arranged around the periphery of the fixed disc body (310), and the positioning fixture block (321) is connected with the positioning fixture groove (311) in a clamped mode.

3. The structure of replaceable quick-release tool as claimed in claim 2, wherein there are three sets of the positioning slots (311) disposed around the periphery of the fixed disc (310), and the included angle between the positioning slots (311) is 120 °.

4. The replaceable quick-release tool structure according to claim 2, wherein a limiting portion (311-1) is disposed inside the positioning clamping groove (311), a connecting block (321-1) is disposed on one side of the positioning clamping block (321), and when the positioning clamping block (321) is embedded into the positioning clamping groove (311), the connecting block (321) is rotated to be embedded into the limiting portion (311-1) by the connecting block (321).

5. The structure of replaceable quick-release tool of claim 1, wherein the middle part of the fixed disc body (310) is recessed inwards to form an alignment cavity (312), the middle part of the movable disc body (320) is provided with an alignment block (322) in a protruding manner, and when the fixed disc body (310) and the movable disc body (320) are connected, the alignment cavity (312) and the alignment block (322) are matched for calibrating the axes of the tool bit (100) and the tool bar (200).

6. The structure of replaceable quick-release tool as claimed in claim 5, wherein the alignment block (322) is in the shape of a truncated cone, and the alignment cavity (312) is matched with the alignment block (322).

7. The structure of replaceable quick-release tools of claim 6, characterized in that a mounting groove (313) extends inward from the bottom of the alignment cavity (312), a resilient support (314) is disposed in the mounting groove (313), and the resilient support (314) is used to prevent the fixed disc (310) and the movable disc (320) from loosening when they are connected.

8. The structure of replaceable quick-release tool as claimed in claim 7, wherein one end of the elastic support (314) is fixed to the bottom of the mounting groove (313), and the other end of the elastic support protrudes out of the alignment cavity (312).

9. The replaceable quick release tool structure as claimed in any one of claims 1 to 8, characterized in that a through cooling hole (120) is provided inside the tool bit (100), the cooling hole (120) penetrates from the machining portion (110) to the movable disc body (320), and the cooling hole (120) is used for receiving part of cooling fluid under machining and cooling the inside of the tool bit (100).

10. The structure of replaceable quick-release tool according to claim 9, characterized in that a side of the cooling hole (120) close to the machined portion (110) is provided with a keep-out area (121), and the keep-out area (121) is used for preventing the opening of the cooling hole (120) from being blocked by machined debris.