CN218487290U - Milling cutter structure - Google Patents
Milling cutter structure Download PDFInfo
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- CN218487290U CN218487290U CN202222815925.4U CN202222815925U CN218487290U CN 218487290 U CN218487290 U CN 218487290U CN 202222815925 U CN202222815925 U CN 202222815925U CN 218487290 U CN218487290 U CN 218487290U
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- groove
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- mounting hole
- knife
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Abstract
The utility model provides a milling cutter structure, which comprises a cutter head, a cutter handle and a first bolt for connecting the cutter head and the cutter handle; the knife handle comprises a knife handle main body, a connecting end is formed at the front end of the knife handle main body, an inserting groove matched with the connecting end in an inserting mode is formed at the rear end of the knife disc, a first mounting hole extending in the axial direction is formed in the axis of the connecting end, the connecting end is inserted into the inserting groove, and a first bolt penetrates through the knife disc and is fixedly connected with the first mounting hole; at least one axially extending cooling cavity is formed in the tool shank main body and communicated with the first mounting hole; the surface of the first bolt is provided with at least one liquid guide groove, the liquid guide groove is matched with the inner wall of the first mounting hole to form a liquid guide cavity, and the liquid guide cavity is communicated with the cooling cavity and the insertion groove of the cutter head; the utility model discloses a seting up the liquid guide groove on first bolt surface, the interior cold junction structure of intercommunication inserting groove and blade disc can avoid seting up the passageway in the link of handle of a knife main part is inside, has simplified the processing technology of handle of a knife.
Description
Technical Field
The utility model relates to a cutting tool field especially relates to a milling cutter structure.
Background
A milling cutter is a rotating tool for milling machining having one or more cutter teeth. When in work, each cutter tooth cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves, formed surfaces, cut-off workpieces and the like on a milling machine. The cutter body and the cutter teeth are made into a whole, and the cutter handle is a connecting piece for the mechanical main shaft, the cutter and other accessory tools.
Among the prior art, the handle of a knife is installed with the blade disc cooperation back, fasten through the bolt, in the course of working, handle of a knife and blade disc are synchronous high-speed rotatory, cutter on the blade disc can produce a large amount of heats at the in-process of cutting, and the heat also can transmit the handle of a knife, the handle of a knife among the prior art does not set up cooling system, so that can't in time dispel the heat to handle of a knife and cutter, thereby can't improve the life and the operating mass with rated load of handle of a knife and cutter, this application is anticipated improving your cooling effect to the handle of a knife through being connected and mounting structure of improving milling cutter and handle of a knife.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of prior art, the utility model aims to provide a milling cutter structure for solve among the prior art handle of a knife and not set up cooling system, so that can't carry out timely radiating problem to handle of a knife and cutter.
In order to achieve the above and other related objects, the present invention provides a milling cutter structure, which includes a cutter head, a cutter handle, and a first bolt for connecting the cutter head and the cutter handle; the knife handle comprises a knife handle main body, a connecting end is formed at the front end of the knife handle main body, an inserting groove matched with the connecting end in an inserting mode is formed at the rear end of the knife disc, a first mounting hole extending axially is formed in the axis of the connecting end, the connecting end is inserted into the inserting groove, the first bolt penetrates through the knife disc and is fixedly connected with the first mounting hole, and further the first bolt is in threaded connection with the first mounting hole; at least one axially extending cooling cavity is formed in the tool holder main body and communicated with the first mounting hole; at least one liquid guide groove is formed in the surface of the first bolt, the liquid guide groove is matched with the inner wall of the first mounting hole to form a liquid guide cavity, and the liquid guide cavity is communicated with the cooling cavity and the insertion groove of the cutter head.
In the design, the cooling cavity is arranged in the tool holder main body, and the cooling liquid passes through the cooling cavity, so that the tool holder can be cooled; through set up the liquid guide groove on first bolt surface, the interior cold junction who communicates inserting groove and blade disc constructs, can avoid setting up the passageway in the link of handle of a knife main part, has simplified the processing technology of handle of a knife.
In an embodiment of the present invention, a temporary storage cavity of the cooling liquid is formed between the front end face of the connecting end and the bottom of the insertion groove, and the temporary storage cavity is communicated with the liquid guide cavity.
In an embodiment of the present invention, a ring groove is formed on a groove wall of the bottom of the insert groove, and the ring groove has an entrance of the cooling channel in the cutter head.
In an embodiment of the present invention, the front end of the tool holder main body is detachably mounted with at least one transmission key, the rear end of the tool pan is provided with a transmission groove matched with the transmission key, and the transmission key is embedded in the transmission groove.
In an embodiment of the present invention, a second mounting hole for connecting a transfusion tube is provided at the rear end of the handle body, and the second mounting hole is communicated with the cooling chamber.
In an embodiment of the present invention, the infusion tube is connected to the rear opening of the cooling chamber by a screw thread.
As described above, the utility model discloses a milling cutter structure has following beneficial effect: the utility model has the advantages that the cooling cavity is arranged in the knife handle main body, and the cooling liquid passes through the cooling cavity, so that the knife handle can be cooled; through set up the liquid guide groove on first bolt surface, the interior cold junction structure of intercommunication inserting groove and blade disc can avoid setting up the passageway in the link of handle of a knife main part, has simplified the processing technology of handle of a knife.
Drawings
Fig. 1 is a schematic view showing an overall structure of a milling cutter structure according to an embodiment of the present invention;
fig. 2 shows an exploded view of the milling cutter structure in an embodiment of the present invention;
fig. 3 is a top view of the milling cutter structure according to an embodiment of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of the portion A of FIG. 4;
fig. 6 is a schematic view of a first bolt according to an embodiment of the present invention.
Description of the element reference numerals
The cutter comprises a cutter head 1, a ring groove 101, a cutter handle 2, a cutter handle main body 201, a connecting end 202, an inserting groove 203, a first mounting hole 204, a cooling cavity 205, a liquid guide cavity 206, a temporary storage cavity 207, a first bolt 3, a liquid guide groove 301, a transmission key 4, a second bolt 401, a transmission groove 5, a second mounting hole 6, an inner cooling channel inlet 7 and a positioning groove 8.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 to 6. It should be understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions of the present invention, so that the present invention does not have the substantial technical significance, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Referring to fig. 1-6, the utility model provides a milling cutter structure, which comprises a cutter head 1, a cutter handle 2 and a first bolt 3 for connecting the cutter head 1 and the cutter handle 2; handle of a knife 2 includes handle of a knife main part 201, and the shaping of handle of a knife main part 201 front end has link 202, and the shaping of 1 rear end of blade disc has the inserting groove 203 with link 202 grafting cooperation, and the first mounting hole 204 of axial extension is seted up at link 202 axle center, and link 202 inserts inserting groove 203, and first bolt 3 runs through blade disc 1 and with first mounting hole 204 fixed connection (like fig. 4), and is further, first bolt 3 and first mounting hole 204 threaded connection.
At least one axially extending cooling cavity 205 is formed in the tool shank main body 201, and the cooling cavity 205 is communicated with the first mounting hole 204; at least one liquid guide groove 301 (as shown in fig. 6) is formed in the surface of the first bolt 3, the liquid guide groove 301 is matched with the inner wall of the first mounting hole 204 to form a liquid guide cavity 206, and the liquid guide cavity 206 is communicated with the cooling cavity 205 and the insertion groove 203 (as shown in fig. 4 and fig. 5) of the cutter head 1.
In this embodiment, a cooling cavity 205 extending axially is formed in the tool shank main body 201, and the cooling cavity 205 is located at the axial center of the tool shank main body 201; a liquid guide groove 301 is formed in the surface of the first bolt 3, and during specific implementation, the number of the liquid guide grooves 301 on the bolt can be increased according to actual liquid guide efficiency requirements.
In the design, the cooling cavity 205 is arranged in the tool shank main body 201, so that cooling liquid passes through the cooling cavity, and the tool shank 2 can be cooled; through the liquid guide groove 301 formed in the surface of the first bolt 3 and the internal cooling structure for communicating the inserting groove 203 with the cutter head 1, a channel formed in the connecting end 202 of the cutter handle main body 201 can be avoided, and the machining process of the cutter handle 2 is simplified.
In this embodiment, a temporary storage cavity 207 for the cooling liquid is formed between the front end face of the connecting end 202 and the bottom of the insertion groove 203, and the temporary storage cavity 207 is communicated with the liquid guide cavity 206. Furthermore, a groove wall 101 is arranged on the groove wall at the bottom of the inserting groove 203, and a plurality of inner cooling channel inlets 7 of the cutter disc 1 are arranged in the groove wall 101.
In this embodiment, the front end of the tool holder main body 201 is detachably provided with at least one transmission key 4, the rear end of the cutter head 1 is provided with a transmission groove 5 matched with the transmission key 4, and the transmission key 4 is embedded in the transmission groove 5. Further, in this embodiment, two transmission keys 4 are symmetrically installed at the front end of the handle body 201, the transmission keys 4 are rectangular keys, and the transmission keys 4 are fixedly connected with the handle body 201 through the second bolt 401.
In this embodiment, a second mounting hole 6 for connecting an infusion tube (not shown) is formed in the rear end of the handle main body 201, and the second mounting hole 6 is communicated with the cooling cavity 205. The infusion tube is in threaded connection with the rear end opening of the cooling cavity 205. Furthermore, a sealing ring (not shown in the figure) is further arranged in the second mounting hole 6, so that liquid leakage can be effectively avoided.
The rear end of the middle part of the tool handle main body 201 is arranged to be conical, so that the tool handle main body 201 is conveniently connected with a main shaft of a milling machine, and a positioning groove 8 for connecting and positioning the tool handle 2 and the main shaft is formed in the tool handle main body 201.
In summary, the cooling cavity is arranged in the knife handle main body, so that the cooling liquid passes through the cooling cavity, and the knife handle can be cooled; through set up the liquid guide groove on first bolt surface, the interior cold junction structure of intercommunication inserting groove and blade disc can avoid setting up the passageway in the link of handle of a knife main part, has simplified the processing technology of handle of a knife. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. A milling cutter structure comprises a cutter head, a cutter handle and a first bolt for connecting the cutter head and the cutter handle;
the novel screwdriver is characterized in that the screwdriver handle comprises a screwdriver handle main body, a connecting end is formed at the front end of the screwdriver handle main body, an inserting groove matched with the connecting end in an inserting mode is formed at the rear end of the screwdriver head, a first mounting hole extending axially is formed in the axis of the connecting end, the connecting end is inserted into the inserting groove, and the first bolt penetrates through the screwdriver head and is fixedly connected with the first mounting hole;
at least one axially extending cooling cavity is formed in the tool shank main body and communicated with the first mounting hole;
at least one liquid guide groove is formed in the surface of the first bolt, the liquid guide groove is matched with the inner wall of the first mounting hole to form a liquid guide cavity, and the liquid guide cavity is communicated with the cooling cavity and the insertion groove of the cutter head.
2. Milling cutter structure according to claim 1, characterized in that: a temporary storage cavity of cooling liquid is formed between the front end face of the connecting end and the bottom of the insertion groove, and the temporary storage cavity is communicated with the liquid guide cavity.
3. The milling cutter structure according to claim 1, wherein: the groove wall at the bottom of the inserting groove is provided with a ring groove, and a cutter head inner cooling channel inlet is arranged in the ring groove.
4. Milling cutter structure according to claim 1, characterized in that: at least one transmission key is detachably mounted at the front end of the knife handle main body, a transmission groove matched with the transmission key is formed in the rear end of the knife disc, and the transmission key is embedded in the transmission groove.
5. The milling cutter structure according to claim 1, wherein: and a second mounting hole for connecting an infusion tube is formed in the rear end of the knife handle main body, and the second mounting hole is communicated with the cooling cavity.
6. The milling cutter structure according to claim 5, wherein: the infusion tube is in threaded connection with the rear end opening of the cooling cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222815925.4U CN218487290U (en) | 2022-10-25 | 2022-10-25 | Milling cutter structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222815925.4U CN218487290U (en) | 2022-10-25 | 2022-10-25 | Milling cutter structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218487290U true CN218487290U (en) | 2023-02-17 |
Family
ID=85197106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222815925.4U Active CN218487290U (en) | 2022-10-25 | 2022-10-25 | Milling cutter structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218487290U (en) |
-
2022
- 2022-10-25 CN CN202222815925.4U patent/CN218487290U/en active Active
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