CN217666692U - But cylindrical carbide milling cutter of quick replacement cutting edge - Google Patents
But cylindrical carbide milling cutter of quick replacement cutting edge Download PDFInfo
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- CN217666692U CN217666692U CN202221698989.4U CN202221698989U CN217666692U CN 217666692 U CN217666692 U CN 217666692U CN 202221698989 U CN202221698989 U CN 202221698989U CN 217666692 U CN217666692 U CN 217666692U
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Abstract
The utility model 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 the 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. Has the advantages that: the utility model discloses a set up cutter arbor and tool bit into dismantling the change structure, utilize the fixed locking tool bit of a holding section of thick bamboo cooperation cutter arbor to when needing to be changed the cutting edge, pull down alone the renewal to the tool bit, easy operation, and reduce the milling process cost, set up synchronous revolution's radiator unit in the outside of the holding section of thick bamboo of cutter arbor simultaneously, utilize the dryer to guide mobile air and carry to the tool bit position, thereby promote the blade heat dissipation on the tool bit, the practicality is strong.
Description
Technical Field
The utility model relates to a machining equipment field, concretely relates to but cylindrical carbide milling cutter of quick replacement cutting edge.
Background
The milling cutter is a rotary cutter with one or more cutter teeth for milling, and when the milling cutter works, each cutter tooth sequentially and intermittently cuts off the allowance of a workpiece, and the milling cutter is mainly used for working planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine. After a milling cutter is machined for a period of time, the cutting edges have a wear problem, so that the milling cutter needs to be replaced regularly to ensure the milling effect.
The applicant finds that at least the following technical problems exist in the prior art: the existing milling cutter is of an integral structure, the cutter bar and the cutter head cannot be separated, when the cutting edge needs to be replaced due to passivation, the milling cutter can be detached from the milling machine for replacement, the use cost is high, the replacement speed is low, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a but cylindrical carbide milling cutter of quick replacement cutting edge just lies in solving above-mentioned problem, sets up cutter arbor and tool bit into dismantling the change structure, utilizes the fixed locking tool bit of a holding section of thick bamboo cooperation cutter arbor to when needing to be changed the cutting edge pull down alone the tool bit and renew, easy operation, and reduce the milling process cost, the practicality is strong, details are explained below.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a cylindrical hard alloy milling cutter capable of rapidly replacing cutting edges, which comprises a cutter bar and a cutter head, wherein the cutter head is arranged at the top end of the cutter bar, a holding 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 the opening at the bottom end of the cutter bar, and a heat dissipation assembly is arranged at the outer side of the holding cylinder;
the cutter bar top is provided with the restraint groove that vertically runs through, the tool bit outside spiral is provided with the blade, and this tool bit bottom is provided with the fixed column, and this fixed column bottom is provided with the joint in the restraint about piece in the groove, a holding section of thick bamboo rotate set up in the tool bit outside, just holding section of thick bamboo top opening inboard is fixed with and compresses tightly the end cover of about piece, the vertical auxiliary tank that runs through in this end cover middle part has horizontal extension.
When the passivated cutting edge needs to be replaced, the limiting rod is pushed downwards to be separated from the limiting groove of the containing barrel, so that the rotation locking state of the limiting rod on the containing barrel is relieved, the limiting barrel is in a free rotation state at the moment, an operator rotates the limiting barrel to rotate the auxiliary groove to the position parallel to the length direction of the constraint groove, the locking state of the end cover on the constraint block is relieved, the constraint block at the bottom end of the cutter head is upwards separated and taken out along the constraint groove and the auxiliary groove at the moment, the separation and disassembly process of the cutter head is completed, the replaced constraint block at the bottom end of the cutter head is downwards clamped into the constraint groove along the auxiliary groove again, the containing barrel is rotated to reset the limiting groove, the limiting column is loosened to drive the limiting column to be clamped into the limiting groove of the containing barrel again through the spring pushing of the ejector block, the rotation locking state of the containing barrel is maintained, and the replacement process of the cutter head is completed.
Preferably, a limiting groove longitudinally penetrates through the middle of the bottom end of the accommodating barrel, a vertically extending adjusting groove is arranged in the middle of the cutter bar, the adjusting groove longitudinally penetrates through the cutter bar, and a plurality of groups of groove-shaped anti-slip grooves extending along the length direction of the cutter bar are arranged on the outer circumferential side of the cutter bar in a surrounding mode.
Preferably, the middle part of the cutter bar is vertically provided with an ejector block in a sliding manner, two groups of limiting rods are symmetrically fixed on the front side and the rear side of the ejector block, the limiting rods longitudinally penetrate through the adjusting groove, and the outer end parts of the limiting rods are abutted against the inner side of the limiting groove.
Preferably, a spring is arranged inside the cutter bar between the top block and the mounting block, the outer diameter of the spring is larger than the opening width of the adjusting groove, and the mounting block comprises a stud vertically penetrating into the inner side of the opening at the bottom end of the cutter bar and in threaded fit with the cutter bar.
Preferably, the bottom end of the stud is fixedly provided with a knob which is abutted against the bottom side of the cutter bar, the heat dissipation assembly comprises a bearing ring which is sleeved and fixed on the outer side of the accommodating cylinder, the bottom end of the bearing ring is provided with a plurality of groups of air cylinders in a surrounding manner, the air cylinders are of a hollow structure, and air inlets are communicated with the bottom end of the air cylinders.
Preferably, a plurality of groups of air guide holes are formed in the bearing ring corresponding to the air duct, the air guide holes vertically penetrate through the bearing ring, and the air guide holes are communicated with the opening in the top end of the air duct.
The beneficial effects are that: the utility model discloses a set up cutter arbor and tool bit into dismantling the change structure, utilize the fixed locking tool bit of a holding section of thick bamboo cooperation cutter arbor to when needing to be changed the cutting edge, pull down alone the renewal to the tool bit, easy operation, and reduce the milling process cost, set up synchronous revolution's radiator unit in the outside of the holding section of thick bamboo of cutter arbor simultaneously, utilize the dryer to guide mobile air and carry to the tool bit position, thereby promote the blade heat dissipation on the tool bit, the practicality is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.
FIG. 1 is a front view of the structure of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic view of the present invention showing a split structure;
fig. 4 is a right view structural diagram of the cutter head of the utility model.
The reference numerals are explained below:
1. a cutter bar; 101. a confinement groove; 102. an adjustment groove; 103. an anti-slip groove; 104. a top block; 105. a limiting rod; 106. a spring; 2. a cutter head; 201. a blade; 202. a constraint block; 203. fixing a column; 3. an accommodating cylinder; 301. an end cap; 302. an auxiliary groove; 303. a limiting groove; 4. mounting blocks; 401. a stud; 402. a knob; 5. a heat dissipating component; 501. a bearing ring; 502. an air duct; 502a and an air inlet; 503. and air vents.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model provides a cylindrical hard alloy milling cutter with a rapidly replaceable cutting edge, which comprises a cutter bar 1 and a cutter head 2, wherein the cutter head 2 is arranged at the top end of the cutter bar 1, a containing cylinder 3 is arranged at the joint of the outer side of the cutter bar 1 and the cutter head 2, the bottom end of the cutter bar 1 is of a hollow cylinder structure, an installation block 4 is arranged at the inner side of the opening at the bottom end of the cutter bar 1, and a heat dissipation assembly 5 is arranged at the outer side of the containing cylinder 3;
1 top of cutter arbor is provided with the restraint groove 101 that vertically runs through, 2 outside spiral settings of tool bit have blade 201, 2 bottoms of this tool bit are provided with fixed column 203, this fixed column 203 bottom is provided with the about piece 202 of joint in restraint inslot 101, a holding section of thick bamboo 3 rotates and sets up in the 1 outside of cutter arbor, and 3 top opening inboards of a holding section of thick bamboo are fixed with the end cover 301 that compresses tightly about piece 202, the vertical penetration in this end cover 301 middle part has horizontal extension's auxiliary tank 302, auxiliary tank 302 length and width all are greater than about piece 202 length and width, thereby ensure that about piece 202 can follow the separation and pull down in the holding section of thick bamboo 3.
As an optional implementation manner, a limiting groove 303 longitudinally penetrates through the middle part of the bottom end of the accommodating barrel 3, a vertically extending adjusting groove 102 is arranged in the middle part of the cutter bar 1, the adjusting groove 102 longitudinally penetrates through the cutter bar 1, and a plurality of groups of groove-shaped anti-slip grooves 103 extending along the length direction of the cutter bar 1 are circumferentially arranged on the outer circumferential side of the cutter bar 1, so that the clamping stability of the cutter bar 1 clamped on a milling machine cutter head is improved through the plurality of groups of anti-slip grooves 103;
the middle part of the cutter bar 1 is vertically provided with a top block 104 in a sliding way, two groups of limiting rods 105 are symmetrically fixed at the front side and the rear side of the top block 104, the limiting rods 105 longitudinally penetrate through the adjusting groove 102, the outer end parts of the limiting rods 105 are abutted against the inner side of the limiting groove 303, a spring 106 is arranged inside the cutter bar 1 between the lower part of the top block 104 and the mounting block 4, the outer diameter of the spring 106 is larger than the opening width of the adjusting groove 102, the mounting block 4 comprises a stud 401 vertically penetrating through the inner side of the opening at the bottom end of the cutter bar 1 and in threaded fit with the cutter bar 1, the bottom end of the stud 401 is fixed with a knob 402 abutted against the bottom side of the cutter bar 1, the mounting block 4 is used for driving the stud 401 to be separated from the opening at the bottom end of the cutter bar 1 by rotating the knob 402 when the spring 106 needs to be detached, therefore, the spring 106 inside the cutter bar 1 can be conveniently dismounted downwards from the opening at the bottom end of the cutter bar 1, the heat dissipation assembly 5 comprises a supporting ring 501 fixed outside the accommodating barrel 3 in a sleeved mode, a plurality of groups of air ducts 502 are arranged at the bottom end of the supporting ring 501 in a surrounding mode, the air ducts 502 are of a hollow structure, air inlets 502a are formed in the bottom end of the air ducts 502 in a penetrating mode, a plurality of groups of air guide holes 503 are formed in the supporting ring 501 corresponding to the air ducts 502, the air guide holes 503 vertically penetrate through the supporting ring 501, the air guide holes 503 are communicated with the opening at the top end of the air ducts 502, when the cutter bar 1 is clamped on a milling machine to rotationally mill a workpiece, the air ducts 502 rotating at a high speed are used for guiding external air into the air guide holes 503 along the air inlets 502a at the bottom end, and accordingly the air flow is ejected to the position of the cutter head 2 through the air guide holes 503, and the cooling process of the cutter head 2 is further realized.
By adopting the structure, when the passivated cutting edge needs to be replaced, the limiting rod 105 is pushed downwards to be removed from the limiting groove 303 of the accommodating cylinder 3, so that the rotation locking state of the limiting rod 105 on the accommodating cylinder 3 is released, at the moment, the limiting cylinder is in a free rotation state, an operator rotates the limiting cylinder to rotate the auxiliary groove 302 to a position parallel to the length direction of the constraint groove 101, further the locking state of the end cover 301 on the constraint block 202 is released, at the moment, the constraint block 202 at the bottom end of the cutting head 2 is separated upwards along the constraint groove 101 and the auxiliary groove 302 and taken out, the separation and disassembly process of the cutting head 2 is completed, then the replaced constraint block 202 at the bottom end of the cutting head 2 is clamped into the constraint groove 101 downwards along the auxiliary groove 302 again, the accommodating cylinder 3 is rotated to reset the limiting groove 303, at the moment, the limiting column is loosened to push the jacking block 104 through the spring 106 to drive the limiting column to be clamped into the limiting groove 303 of the accommodating cylinder 3 again, so that the rotation locking state of the accommodating cylinder 3 is maintained, and the replacement process of the cutting head 2 is completed;
through setting up cutter arbor 1 and tool bit 2 to dismantling the change structure, utilize a holding section of thick bamboo 3 cooperation cutter arbor 1 to fix locking tool bit 2 to the tool bit 2 is pulled down alone and is renewed when the cutting edge needs to be changed, easy operation, and reduce the milling process cost, set up synchronous revolution's radiator unit 5 in the outside 3 outsides of a holding section of thick bamboo of cutter arbor 1 simultaneously, utilize dryer 502 to guide the air that flows and carry to tool bit 2 position, thereby promote blade 201 heat dissipation on the tool bit 2, the practicality is strong.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a but cylindrical carbide milling cutter of quick replacement cutting edge which characterized in that: the tool comprises a tool bar (1) and a tool bit (2), wherein the tool bit (2) is arranged at the top end of the tool bar (1), a containing cylinder (3) is arranged at the joint of the outer side of the tool bar (1) and the tool bit (2), the bottom end of the tool bar (1) is of a hollow cylinder structure, an installation block (4) is arranged on the inner side of an opening at the bottom end of the tool bar (1), and a heat dissipation assembly (5) is arranged on the outer side of the containing cylinder (3);
the cutter bar is characterized in that a restraining groove (101) which penetrates through the cutter bar in the longitudinal direction is formed in the top end of the cutter bar (1), a blade (201) is spirally arranged on the outer side of the cutter head (2), a fixing column (203) is arranged at the bottom end of the cutter head (2), a restraining block (202) which is clamped in the restraining groove (101) is arranged at the bottom end of the fixing column (203), the accommodating cylinder (3) is rotatably arranged on the outer side of the cutter bar (1), an end cover (301) which compresses the restraining block (202) is fixed on the inner side of an opening in the top end of the accommodating cylinder (3), and an auxiliary groove (302) which extends in the transverse direction vertically penetrates through the middle of the end cover (301).
2. The cylindrical carbide milling cutter with a rapidly replaceable cutting edge according to claim 1, wherein: the middle part of the bottom end of the accommodating barrel (3) is longitudinally penetrated with a limiting groove (303), the middle part of the cutter bar (1) is provided with a vertically extending adjusting groove (102), the adjusting groove (102) longitudinally penetrates through the cutter bar (1), and the outer circumference side of the cutter bar (1) is annularly provided with a plurality of groups of groove-shaped anti-skidding grooves (103) extending along the length direction of the cutter bar.
3. The cylindrical carbide milling cutter with a rapidly replaceable cutting edge according to claim 2, wherein: the middle part of the cutter bar (1) is vertically provided with a top block (104) in a sliding manner, two groups of limiting rods (105) are symmetrically fixed on the front side and the rear side of the top block (104), the limiting rods (105) longitudinally penetrate through the adjusting groove (102), and the outer end parts of the limiting rods (105) are abutted against the inner side of the limiting groove (303).
4. The cylindrical carbide milling cutter with a rapidly replaceable cutting edge according to claim 3, wherein: ejector block (104) below with between installation piece (4) cutter arbor (1) inside is provided with spring (106), spring (106) external diameter is greater than adjustment tank (102) opening width, installation piece (4) are including vertical penetration cutter arbor (1) bottom opening inboard and with this cutter arbor (1) screw-thread fit's double-screw bolt (401).
5. The cylindrical carbide milling cutter with a rapidly replaceable cutting edge according to claim 4, wherein: the bottom end of the stud (401) is fixedly provided with a knob (402) which is tightly abutted to the bottom side of the cutter bar (1), the heat dissipation assembly (5) comprises a bearing ring (501) which is sleeved and fixed on the outer side of the accommodating barrel (3), the bottom end of the bearing ring (501) is provided with a plurality of groups of air cylinders (502) in a surrounding manner, the air cylinders (502) are of a hollow structure, and air inlets (502 a) are communicated with the bottom end of the air cylinders (502).
6. The cylindrical carbide milling cutter with a rapidly replaceable cutting edge according to claim 5, wherein: a plurality of groups of air guide holes (503) are formed in the supporting ring (501) corresponding to the air duct (502), the air guide holes (503) vertically penetrate through the supporting ring (501), and the air guide holes (503) are communicated with an opening in the top end of the air duct (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221698989.4U CN217666692U (en) | 2022-07-04 | 2022-07-04 | But cylindrical carbide milling cutter of quick replacement cutting edge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221698989.4U CN217666692U (en) | 2022-07-04 | 2022-07-04 | But cylindrical carbide milling cutter of quick replacement cutting edge |
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| Publication Number | Publication Date |
|---|---|
| CN217666692U true CN217666692U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221698989.4U Active CN217666692U (en) | 2022-07-04 | 2022-07-04 | But cylindrical carbide milling cutter of quick replacement cutting edge |
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| Country | Link |
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| CN (1) | CN217666692U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564337A (en) * | 2024-01-17 | 2024-02-20 | 常州市宝珂精密工具有限公司 | Alloy milling cutter disc with self-cooling structure |
| CN117798412A (en) * | 2024-02-28 | 2024-04-02 | 常州聚美精密工具有限公司 | Integral hard alloy forming milling cutter with curved edge |
-
2022
- 2022-07-04 CN CN202221698989.4U patent/CN217666692U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564337A (en) * | 2024-01-17 | 2024-02-20 | 常州市宝珂精密工具有限公司 | Alloy milling cutter disc with self-cooling structure |
| CN117564337B (en) * | 2024-01-17 | 2024-03-22 | 常州市宝珂精密工具有限公司 | Alloy milling cutter disc with self-cooling structure |
| CN117798412A (en) * | 2024-02-28 | 2024-04-02 | 常州聚美精密工具有限公司 | Integral hard alloy forming milling cutter with curved edge |
| CN117798412B (en) * | 2024-02-28 | 2024-05-03 | 常州聚美精密工具有限公司 | Integral hard alloy forming milling cutter with curved edge |
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