CN212239339U - Milling cutter disc assembly with inner cooling function and milling cutter disc and connecting piece thereof - Google Patents

Milling cutter disc assembly with inner cooling function and milling cutter disc and connecting piece thereof Download PDF

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Publication number
CN212239339U
CN212239339U CN202020443942.8U CN202020443942U CN212239339U CN 212239339 U CN212239339 U CN 212239339U CN 202020443942 U CN202020443942 U CN 202020443942U CN 212239339 U CN212239339 U CN 212239339U
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China
Prior art keywords
milling cutter
coolant liquid
cutter
groove
connecting piece
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CN202020443942.8U
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Inventor
张俊青
周理根
曹光亮
张榅桲
张海斌
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Zhengzhou Diamond Precision Manufacturing Co Ltd
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Zhengzhou Diamond Precision Manufacturing Co Ltd
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Abstract

The utility model relates to a technical field of machining cutter, concretely relates to cold milling cutter disk assembly in area and milling cutter dish, connecting piece, be used for connecting corresponding handle of a knife and milling cutter dish together through setting up the connecting piece, set up the coolant liquid butt joint runner with corresponding coolant liquid sprue intercommunication on the connecting piece, realize the intercommunication of coolant liquid subchannel with the coolant liquid sprue through coolant liquid butt joint runner, need not to establish the structure in addition on the handle of a knife, can adapt to current handle of a knife structure, promoted when having guaranteed interior cold design the utility model provides a blade disk assembly's application scope, on the other hand, milling cutter dish and corresponding handle of a knife split type connection are convenient for change the maintenance to milling cutter dish, reduce cutter cost of maintenance.

Description

Milling cutter disc assembly with inner cooling function and milling cutter disc and connecting piece thereof
Technical Field
The utility model relates to a technical field of machining cutter, concretely relates to milling cutter disk assembly and milling cutter dish, connecting piece of interior cooling in area.
Background
A milling cutter is a rotary cutter having one or more cutter teeth, which are used mainly for machining planes, steps, grooves, formed surfaces, cutting off workpieces and the like, each cutter tooth cutting off the remainder of the workpiece intermittently in sequence during operation. When the milling cutter rotates at a high speed to cut a workpiece, a large amount of cutting heat is generated, so that the temperature of the workpiece and the temperature of a cutter are increased, the processing quality of the workpiece is influenced, and the service life of the cutter is shortened. The traditional cooling mode mainly adopts middle water outlet, and then utilizes the rotation of a cutter head to disperse cooling liquid to the surface of the whole workpiece, and the current tool cooling research and development direction is mainly focused on the direction of an inner cooling channel of the tool due to the reason that the cooling liquid cannot directly impact a blade, the cooling effect is poor and the like.
In the prior art, patent document with the publication number of CN210080822U provides an internal cooling milling cutter, which comprises a cylindrical cutter body and a cutter head, wherein an annular liquid storage tank for storing cooling liquid is arranged in the cutter body, the liquid storage tank is arranged to cool and temporarily store the cooling liquid, and after the cooling liquid is used up, new cooling liquid needs to be injected into the annular liquid storage tank through a hole cover on a liquid injection hole.
On the other hand, patent document No. CN109352056B provides a face milling cutter with a self-cooling lubricating structure, which includes a shank, a face milling cutter body and a plurality of milling cutter blades, and further includes a main cooling lubricating fluid channel and a secondary cooling lubricating fluid channel, wherein an outlet of each secondary cooling lubricating fluid channel faces to a cutting area of the milling cutter blade, although the blades are directly cooled, the shank, the face milling cutter body and the like provided in the patent document are integrally formed by a 3D printing technology, and therefore, the manufacturing cost is high, the shank, the face milling cutter body and the like need to be integrally replaced when a fault occurs, and the maintenance cost is high; in the technical scheme of threaded connection between the cutter body of the face milling cutter and the damping cutter handle provided by the patent document, a plurality of intermediate cooling lubricating liquid flow passages need to be arranged in the cutter handle, so that the cutter body of the face milling cutter cannot be connected with a common cutter handle, and the problem of insufficient adaptability exists.
Therefore, in view of the above prior art, there is a need to develop a cutting tool with good cooling effect and good adaptability.
SUMMERY OF THE UTILITY MODEL
The utility model provides a milling cutter dish subassembly of cold in area and milling cutter dish, connecting piece thereof to the adaptability that appears when solving the blade disc that has the self-cooling design and being connected with ordinary handle of a knife in the prior art has the problem of limitation.
The utility model discloses a milling cutter dish subassembly of interior cold-in-band adopts following technical scheme: the utility model provides a milling cutter dish subassembly of interior cold-band, includes the milling cutter dish, the axis position department of milling cutter dish is provided with the connecting hole that extends along the axis direction, still including wearing the dress in connecting piece in the connecting hole, be equipped with the coolant liquid butt joint runner that is used for with the coolant liquid sprue intercommunication of corresponding handle of a knife on the connecting piece, be equipped with on the milling cutter dish by connecting hole inner wall department to the coolant liquid subchannel that its periphery department extended, coolant liquid butt joint runner with coolant liquid subchannel intercommunication.
Preferably, a coolant branch channel extending in the radial direction is arranged at one end of the connecting piece, which is communicated with the coolant branch channel, of the coolant butt-joint channel.
Preferably, a groove extending in the circumferential direction is formed in the position, close to the inlet of the cooling liquid runner, of the connecting piece, the groove and the inner wall of the connecting hole enclose a cooling liquid caching cavity, and a notch of the groove is communicated with the cooling liquid runner and a groove bottom of the groove is communicated with the cooling liquid branch runner.
Preferably, the groove is a flared groove.
Preferably, a sealing ring for preventing the leakage of the cooling liquid cache cavity is arranged on the inner wall of the connecting hole on the milling cutter disc.
Preferably, the circumference position department of milling cutter dish is equipped with the sword groove, the sword casket is equipped with the sword casket in the sword groove, the sword casket has sphere form chip groove, the sword casket on in the position department of sphere form chip groove is equipped with the coolant liquid outlet channel who communicates with coolant liquid subchannel, coolant liquid outlet channel is unanimous with the extending direction of coolant liquid subchannel.
Preferably, the milling cutter disc is provided with an adjusting groove communicated with the lower end of the cutter groove, and an adjusting screw which extends along the axial direction of the milling cutter disc and is used for adjusting the height of the cutter box is assembled in the adjusting groove.
Preferably, coolant liquid subchannel is in the axial direction orientation the terminal surface slope of facing cutter dish, radially skew facing direction of the radial extension of facing cutter dish, coolant liquid subchannel's extension line passes through corresponding tool bit's position department, and then makes the coolant liquid water column directly rush corresponding tool bit.
The utility model discloses a milling cutter dish of interior cooling in area adopts following technical scheme: the utility model provides a milling cutter dish of interior cold in area, includes the blade disc body, the technical scheme of blade disc body and above-mentioned milling cutter dish subassembly of interior cold in area and milling cutter dish in the same, no longer describe repeatedly.
The utility model discloses a cutter connecting piece adopts following technical scheme: the utility model provides a cutter connecting piece, includes the connecting piece body, the technical scheme of connecting piece body and above-mentioned milling cutter dish subassembly with interior cold and milling cutter dish in the connecting piece the same, no longer describe repeatedly.
The utility model has the advantages that:
the utility model provides a milling cutter dish subassembly of interior cooling in area is used for the connecting piece that links together corresponding handle of a knife and milling cutter dish through the setting, sets up the coolant liquid butt joint runner with corresponding coolant liquid sprue intercommunication on the connecting piece, realizes the intercommunication of coolant liquid subchannel and coolant liquid sprue through coolant liquid butt joint runner, need not to establish the structure in addition on the handle of a knife, can adapt to current handle of a knife structure, has promoted when having guaranteed interior cold design the utility model provides a blade disc subassembly's application scope, on the other hand, milling cutter dish and corresponding handle of a knife split type connection are convenient for change the maintenance to milling cutter dish, reduce cutter cost of maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of an embodiment of a cutterhead assembly with internal cooling according to the present invention;
fig. 2 is a schematic structural view of a milling cutter head in an internally cooled cutterhead assembly according to an embodiment of the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a schematic view of an embodiment of a tool holder with an internally cooled cutterhead assembly according to the present invention;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a left side view of FIG. 4;
reference numerals:
1: a milling cutter disc; 2: a connecting member; 3: a coolant butt-joint flow channel; 4: a coolant bypass; 5: a coolant branch flow channel; 6: a cooling liquid buffer storage cavity; 7: a seal ring; 8: a coolant outlet channel; 9: a magazine; 10: a spherical chip groove; 11: an adjustment groove; 12: an adjusting screw; 13: a blade; 14: and connecting the holes.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein and similar modifications can be made by one skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments of the substrate disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model discloses an embodiment of milling cutter dish subassembly of interior cold in-band, as shown in fig. 1 to fig. 6, a milling cutter dish subassembly of interior cold in-band, including milling cutter dish 1, milling cutter dish 1's axis position department is provided with connecting hole 14 along the axis direction extension, still including wearing connecting piece 2 of dress in connecting hole 14, specifically, connecting piece 2 is used for making corresponding handle of a knife and milling cutter dish 1 be connected, be equipped with the coolant liquid butt joint runner 3 that is used for the coolant liquid mainstream way intercommunication with corresponding handle of a knife on the connecting piece 2, be equipped with the coolant liquid subchannel 4 that extends to its periphery department by connecting hole 14 inner wall department on milling cutter dish 1, coolant liquid butt joint runner 3 and coolant liquid subchannel 4 intercommunication, specifically, connecting hole 14 in this embodiment is the step through-hole, have on the connecting piece 2 with the step face of step hole looks adaptation, connecting piece 2 in this embodiment specifically is the bolt, the bolt is worn to adorn in the step through-hole. Be used for connecting piece 2 together corresponding handle of a knife and milling cutter 1 through the setting, set up the coolant liquid butt joint runner 3 with corresponding coolant liquid sprue intercommunication on connecting piece 2, realize the intercommunication of coolant liquid subchannel 4 and coolant liquid sprue through coolant liquid butt joint runner 3, need not to establish the structure in addition on the handle of a knife, can adapt to current handle of a knife structure, promoted when having guaranteed interior cold design the utility model provides a cutter head assembly's application scope, on the other hand, milling cutter 1 is convenient for change the maintenance to milling cutter 1 with corresponding handle of a knife split type connection, reduces cutter cost of maintenance.
Bearing the above, the connecting piece 2 is provided with the coolant branch flow channels 5 extending in the radial direction at one end of the coolant butt joint flow channel 3 communicated with the coolant branch flow channel 4, specifically, the coolant branch flow channels 5 are arranged at one end of the coolant butt joint flow channel 3 where the coolant flows out, namely, at the position of the bolt head, specifically, the coolant branch flow channels 5 are 4 in the embodiment, and are symmetrically distributed along the center of the coolant butt joint flow channel 3, and the coolant branch flow channels 5 are arranged to enable the flowing direction of the coolant to be changed from the axial direction to the radial direction in order, so that the bolt connection effect is ensured, and the bolt connection has the characteristics of reasonable and simple design; in addition, a fluid buffer groove is arranged at the end, where the cooling liquid flows out, of the cooling liquid butt joint flow channel 3, so that the phenomenon that the cooling liquid flows back due to impact force can be avoided.
Further, in order to make the internal cooling flow channel provided by this embodiment have stable coolant ejection, a groove extending in the circumferential direction is provided at a position on the connecting member 2 near the inlet of the coolant flow channel 4, the groove and the inner wall of the connecting hole 14 enclose the coolant buffer cavity 6, the notch of the groove is communicated with the coolant flow channel 4, and the bottom of the groove is communicated with the coolant branch flow channel 5, specifically, the groove is an expanding groove. The cooling liquid caching cavity 6 is arranged at the water outlet end of the cooling liquid branch flow channel 5, on one hand, the groove is convenient to machine and form relative to the cavity inside the part, and on the other hand, the groove is convenient to arrange at the position of the cooling liquid branch flow channel 5, so that the storage space can be properly enlarged.
For the tightness between the connecting piece 2 and the milling cutter disc 1, a sealing ring 7 for preventing the leakage of the cooling liquid buffer cavity 6 is arranged on the inner wall of the connecting hole 14 on the milling cutter disc 1, specifically, an annular assembling groove for assembling the sealing ring 7 is arranged on the inner wall of the connecting hole 14, and the sealing ring 7 can be arranged on one side of the groove close to the end face of the milling cutter disc 1 on the milling cutter disc 1 or on both sides of the groove.
In this embodiment, the coolant butt-joint flow passage 3, the coolant branch flow passage 5, the coolant branch flow passage 4 are communicated, and the thickness of the coolant outlet passage 8 is reduced in this order.
In the embodiment, the cutter grooves are arranged at the circumferential position of the milling cutter disc 1, the cutter boxes 9 are assembled in the cutter grooves, the number of the cooling liquid sub-channels 4 is consistent with that of the cutter boxes 9, in the embodiment, the number of the cutter boxes 9 is 6, the cutter boxes 9 are provided with spherical chip discharge grooves 10, the spherical chip discharge grooves 10 are formed by one-step processing of a forming cutter, the surface smoothness is high, the chip removal is smooth and easy, can avoid cutting to injure cutter body or work piece, and milling cutter dish 1 has the chip-breaking effect under the big depth of cut condition, and the position department in sphere form chip groove 10 is equipped with the coolant liquid outlet channel 8 with coolant liquid subchannel 4 intercommunication on the sword casket 9, and coolant liquid outlet channel 8 is unanimous with the extending direction of coolant liquid subchannel 4, and what need explain is, the utility model provides a but the sharp thick integrative milling cutter casket of the complete set design of blade disc also can form a complete set design in order to reach the higher surface quality's sleeking sword milling cutter casket.
In order to adjust the cutter box 9 conveniently, the milling cutter disc 1 is provided with an adjusting groove 11 communicated with the lower end of the cutter groove, an adjusting screw 12 extending along the axial direction of the milling cutter disc 1 and used for adjusting the height of the cutter box 9 is assembled in the adjusting groove 11, and the adjusting groove 11 and the cutter groove are approximately in a T shape.
In order to enable the cooling liquid to flow out more smoothly, the cooling liquid branch channels 4 are inclined towards the end face of the milling cutter disc 1 in the axial direction, namely inclined towards the position of the blade 13, and deviate from the radial extending direction of the milling cutter disc 1 in the radial direction, the eccentric design is adopted, so that when the milling cutter disc 1 rotates, the cooling liquid is discharged more smoothly when receiving rotating force, in addition, the extending lines of the cooling liquid branch channels 4 pass through the positions of corresponding cutter heads, so that the cooling liquid water columns directly impact the corresponding cutter heads, and the cooling efficiency is further improved.
The utility model provides a pair of cold milling cutter dish subassembly in area can be connected with current handle of a knife, is convenient for change, has very good commonality, reduces the kind of customer's handle of a knife and possesses the storehouse volume, is equipped with the coolant liquid sprue that extends along the axis direction in the handle of a knife commonly used, coolant liquid flow through in proper order coolant liquid butt joint runner 3, coolant liquid sprue 5, coolant liquid buffer memory die cavity 6, coolant liquid subchannel 4, coolant liquid play water passageway 8.
It should be noted that, in other embodiments of the present invention, the connecting member may be a stud bolt; the coolant branch flow channel can be radially superposed with the bolt head and can also incline towards the end face direction of the milling cutter disc; the number of the cooling liquid branch flow passages can be 4 or 3; the cross section of the groove can be U-shaped or rectangular; the position of the cooling liquid branch flow channel can be arranged at the position of a bolt head or on a stud; the sealing ring 7 is made of silica gel or rubber; the chip groove can be an inclined plane or an arc-shaped plane; coolant liquid subchannel can with the radial coincidence of milling cutter dish, also can incline towards 13 cutting edge position departments of blade, and milling cutter dish can pass through with being connected of handle of a knife the utility model provides a connecting piece realizes, also can establish the screw that is used for connecting milling cutter dish and handle of a knife in addition.
The utility model discloses an embodiment of the milling cutter dish of cold in-band, a milling cutter dish of cold in-band, including the blade disc body, the blade disc body is the same with the above-mentioned specific implementation mode of the milling cutter dish in the milling cutter dish subassembly of cold in-band, no longer gives unnecessary details.
The utility model discloses an embodiment of cutter connecting piece, a cutter connecting piece, including the connecting piece body, the connecting piece body is the same with the above-mentioned concrete implementation of connecting piece in the cold milling cutter dish subassembly in the area, and no longer the repeated description needs to explain, connecting piece body and corresponding handle of a knife threaded connection.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides an interior cold milling cutter dish subassembly in area which characterized in that: including the facing cutter, the axis position department of facing cutter is provided with the connecting hole that extends along the axis direction, still including wearing the dress the connecting piece in the connecting hole, be equipped with the coolant liquid butt joint runner that is used for the coolant liquid sprue intercommunication with corresponding handle of a knife on the connecting piece, be equipped with on the facing cutter by connecting hole inner wall department to the coolant liquid subchannel that its periphery department extends, coolant liquid butt joint runner with coolant liquid subchannel intercommunication.
2. The internally cooled cutterhead assembly as set forth in claim 1, wherein: and a cooling liquid branch flow channel extending along the radial direction is arranged at one end of the connecting piece, which is communicated with the cooling liquid butt joint flow channel and the cooling liquid sub-flow channel.
3. The internal cooling cutterhead assembly as claimed in claim 2, wherein: the connecting piece is close to the entrance position department of coolant liquid subchannel is equipped with the recess that extends along the circumferential direction, the recess with the inner wall of connecting hole encloses synthetic coolant liquid buffer memory die cavity, the notch of recess with coolant liquid subchannel intercommunication, tank bottom and coolant liquid branch runner intercommunication.
4. The internally cooled cutterhead assembly as set forth in claim 3, wherein: the groove is an expanding groove.
5. The internally cooled cutterhead assembly as set forth in claim 4, wherein: and a sealing ring for preventing the leakage of the cooling liquid cache cavity is arranged on the inner wall of the connecting hole on the milling cutter disc.
6. The assembly according to any one of claims 1 to 5, wherein: the circumference position department of milling cutter dish is equipped with the sword groove, be equipped with the sword casket in the sword groove, the sword casket has sphere form chip groove, the sword casket go up in the position department of sphere form chip groove is equipped with the coolant liquid outlet channel with coolant liquid subchannel intercommunication, coolant liquid outlet channel is unanimous with the extending direction of coolant liquid subchannel.
7. The internal cooling cutterhead assembly as claimed in claim 6, wherein: the milling cutter is characterized in that the milling cutter is provided with an adjusting groove communicated with the lower end of the cutter groove, and an adjusting screw which extends along the axial direction of the milling cutter and is used for adjusting the height of the cutter box is assembled in the adjusting groove.
8. The assembly according to any one of claims 1 to 5, wherein: the coolant liquid subchannel is in the axial direction orientation the terminal surface slope of facing cutter dish, the radial extending direction of skew facing cutter dish in the footpath, the extension line of coolant liquid subchannel is located through the position of corresponding tool bit, and then makes the coolant liquid water column directly rush corresponding tool bit.
9. The utility model provides an in-band cold milling cutter dish, includes the blade disc body, its characterized in that: the cutter head body is a milling cutter head as claimed in any one of claims 1 to 8.
10. A cutter attachment includes an attachment body, characterized in that: the connector body is as claimed in any one of claims 1 to 8.
CN202020443942.8U 2020-03-31 2020-03-31 Milling cutter disc assembly with inner cooling function and milling cutter disc and connecting piece thereof Active CN212239339U (en)

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CN202020443942.8U CN212239339U (en) 2020-03-31 2020-03-31 Milling cutter disc assembly with inner cooling function and milling cutter disc and connecting piece thereof

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Application Number Priority Date Filing Date Title
CN202020443942.8U CN212239339U (en) 2020-03-31 2020-03-31 Milling cutter disc assembly with inner cooling function and milling cutter disc and connecting piece thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117086376A (en) * 2023-10-18 2023-11-21 常州迈腾工具有限公司 Positioning tungsten steel milling cutter disc assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117086376A (en) * 2023-10-18 2023-11-21 常州迈腾工具有限公司 Positioning tungsten steel milling cutter disc assembly
CN117086376B (en) * 2023-10-18 2024-01-26 常州迈腾工具有限公司 Positioning tungsten steel milling cutter disc assembly

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Address after: No. 198, 7th Street, economic and Technological Development Zone, Zhengzhou, Henan 450006

Patentee after: ZHENGZHOU DIAMOND PRECISION MANUFACTURING Co.,Ltd.

Address before: No.198, 7th Street, economic and Technological Development Zone, Guancheng Hui District, Zhengzhou City, Henan Province, 450006

Patentee before: ZHENGZHOU DIAMOND PRECISION MANUFACTURING Co.,Ltd.