CN210280817U - Milling cutter convenient to it is fixed - Google Patents
Milling cutter convenient to it is fixed Download PDFInfo
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- CN210280817U CN210280817U CN201920988253.2U CN201920988253U CN210280817U CN 210280817 U CN210280817 U CN 210280817U CN 201920988253 U CN201920988253 U CN 201920988253U CN 210280817 U CN210280817 U CN 210280817U
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Abstract
The utility model discloses a milling cutter convenient to fix, wherein the top end of a lower cutter bar is connected with the bottom end of an upper cutter bar in a threaded manner; the top end of the upper cutter bar is provided with a blind hole, a movable rod is inserted into the blind hole, the side wall of the upper part of the blind hole is provided with two through holes which are arranged correspondingly to each other, and a spring pin is arranged in each through hole; the lower side wall of the blind hole is provided with a long through hole; the top end of the movable rod is provided with a touch block, the outer side wall of the bottom end of the movable rod is provided with a convex block, and the outer side end of the convex block penetrates out of the upper cutter bar through a long through hole; the outer side wall of the upper cutter bar is provided with two positioning convex strips; after two ends of the contact block are contacted with the inner side ends of the two spring pins, pin heads of the spring pins extend out of the outer side openings of the through holes; the lower part of the end surface of the inner side of the spring pin is provided with a limiting block; the bottom end of the lower cutter bar is provided with an adjusting mechanism, a groove and a plurality of through grooves, cutter head groups are inserted into the through grooves, the inner side ends of the cutter head groups are connected with the adjusting mechanism, the structure of the cutter head group is convenient to fix with a machining center or a cutter chuck of a milling machine, and the length of each cutter head group extending outwards can be adjusted.
Description
Technical Field
The utility model belongs to the technical field of a milling cutter technical field of structure and specifically relates to a milling cutter convenient to it is fixed.
Background
At present, milling cutter's cutter arbor is only a polished rod, need install positioner additional on the cutter arbor when being connected fixedly with machining center or milling machine and just can be connected fixedly with machining center or milling machine cutter anchor clamps, and the positioner structure is complicated moreover, and is fairly loaded down with trivial details to milling cutter arbor's fixed, influences the efficiency of processing operation to positioner needs to purchase in addition, makes to add the use cost promotion man-hour.
Disclosure of Invention
The utility model aims at solving the not enough and design of above-mentioned technique a fixed comparatively convenient fixed milling cutter of being convenient for with the cutter chuck of machining center or milling machine.
The milling cutter convenient to fix designed by the utility model is characterized by comprising an upper cutter bar and a lower cutter bar, wherein the top end of the lower cutter bar is connected with the bottom end of the upper cutter bar in a threaded manner; the top end of the upper cutter bar is provided with a blind hole, a movable rod is inserted into the blind hole, the side wall of the upper part of the blind hole is provided with two through holes which are arranged correspondingly to each other, and a spring pin is arranged in each through hole; the side wall of the lower part of the blind hole is provided with a long through hole communicated with the outside; the top end of the movable rod is provided with a contact block for promoting the pin head of the spring pin to extend out of the outer side opening of the through hole, the outer side wall of the bottom end of the movable rod is provided with a convex block, and the outer side end of the convex block penetrates out of the upper cutter bar through the long through hole; the outer side wall of the upper cutter bar is provided with two positioning convex strips; after two ends of the contact block are contacted with the inner side ends of the two spring pins, pin heads of the spring pins extend out of the outer side openings of the through holes; the lower part of the end surface of the inner side of the spring pin is provided with a limiting block, and the limiting block is abutted against the side surface of the movable rod after the pin head of the spring pin retracts; the bottom end of the lower cutter bar is provided with an adjusting mechanism, a groove and a plurality of through grooves communicated with the groove, a cutter head group is inserted into each through groove, the inner side end of each cutter head group is connected with the adjusting mechanism, and the length of the cutter head group extending outwards is increased or reduced by using the adjusting mechanism so as to adjust the milling diameter of the milling cutter.
Preferably, the adjusting mechanism comprises a screw and a plurality of linkage rods, the screw is in threaded connection with the threaded through hole of the lower cutter bar, the threaded through hole of the lower cutter bar is communicated with the groove, and the linkage rods are arranged in the groove; the top ends of the linkage rods are hinged with the bottom end of the screw rod through pin shafts, and the bottom ends of the linkage rods are hinged with the inner side end pin shaft of the cutter head group; the screw rod descends to push the linkage rod to enable the length of the cutter head group extending outwards to be increased; the linkage rod is pulled upwards by the screw rod to drive the cutter head group to move inwards the groove, so that the length of the cutter head group extending outwards is reduced.
Preferably, the diameter of the upper end of the blind hole is larger than that of the lower end of the blind hole, the side wall of the lower end of the blind hole is attached to the side face of the lower end of the movable rod, and the convex block penetrates through the upper cutter rod from the side wall of the lower end of the blind hole.
Preferably, the spring pin comprises a pin column and a spring, and two ports of the through hole are provided with limit rings; the pin column is positioned in the through hole, and two ends of the pin column penetrate through the inner hole of the limiting ring; the spring is sleeved on the pin column, the outer end of the spring is abutted against the limiting ring at the outer end of the through hole, and the inner end of the spring is fixed with the limiting ring at the inner end of the pin column; the limiting block is arranged at the inner side end of the pin column.
Further preferably, tool bit group includes locating piece and tool bit, and the locating piece inserts logical inslot, and the tool bit is fixed at the outside end of locating piece.
Further preferably, the top of the upper cutter bar is provided with a positioning recess, so that the milling cutter is firmly and reliably positioned and fixed, and the service performance during milling is improved.
The utility model discloses a milling cutter convenient to it is fixed, its structure utilizes the cutter arbor to insert behind in the cutter chuck mounting hole of machining center or milling machine, make the movable rod move down and realize supporting the both ends of touch multitouch respectively with the medial extremity of two spring pins after, spring pin's round pin head stretches out back round pin head from through-hole outside mouth and inserts and carry out fixed mounting in the fixed orifices on the mounting hole lateral wall, insert through the location strip during installation moreover and fix a position fixed mounting in the cutter chuck mounting hole lateral wall elongated slot of machining center or milling machine.
In addition, the technical problem that the milling cutters with different diameters need to be continuously replaced when the milling cutters in the prior art are integrated and the cutter head group cannot be adjusted so as to mill grooves with different diameters, and therefore a plurality of milling cutters with different diameters need to be purchased, and the use and processing cost is increased is solved; further the utility model discloses utilize adjustment mechanism to adjust the epitaxial elongation of tool bit group, adjust the diameter in milling flutes, realize reducing the technological effect of processing cost.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is a schematic view showing the overall structure of the retraction of the pin shaft according to embodiment 1;
FIG. 3 is a bottom view of embodiment 1;
FIG. 4 is a partial view (one) of embodiment 1;
FIG. 5 is a partial view of example 1 (II).
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 5, the milling cutter convenient to fix described in this embodiment includes an upper cutter bar 1 and a lower cutter bar 2, wherein the top end of the lower cutter bar 2 is screwed to the bottom end of the upper cutter bar 1; the top end of the upper cutter bar 1 is provided with a blind hole 10, a movable rod 8 is inserted into the blind hole 10, the upper side wall of the blind hole 10 is provided with two through holes 13 which are correspondingly arranged, and a spring pin 3 is arranged in the through hole 13; the lower side wall of the blind hole 10 is provided with a long through hole 101 communicated with the outside; the top end of the movable rod 8 is provided with an abutting block 81 for urging the pin head of the spring pin 3 to extend out of the outer side opening of the through hole 13, the outer side wall of the bottom end of the movable rod is provided with a convex block 82, and the outer side end of the convex block 82 penetrates out of the upper cutter bar 1 through the long through hole; the outer side wall of the upper cutter bar 1 is provided with two positioning convex strips 4; after the two ends of the contact block 81 are contacted with the inner side ends of the two spring pins 3, the pin heads of the spring pins 3 extend out of the outer openings of the through holes 13; the lower part of the end surface of the inner side of the spring pin 3 is provided with a limiting block 311, the limiting block 311 is designed for preventing the movable rod from moving downwards continuously to realize a limiting function, and the limiting block 311 is abutted against the side surface of the movable rod 8 after the pin head of the spring pin 3 retracts; the bottom end of the lower cutter bar 2 is provided with an adjusting mechanism, a groove 22 and a plurality of through grooves 73 communicated with the groove 22, a cutter head group 7 is inserted into each through groove 73, the inner side end of each cutter head group 7 is connected with the adjusting mechanism, the length of the cutter head group extending outwards is increased or reduced by using the adjusting mechanism, so that the milling diameter of the milling cutter is adjusted, and the processing cost is reduced.
The cutter head group 7 designed for more reasonable structural design comprises a positioning block 71 and a cutter head 72, wherein the positioning block 71 is inserted into the through groove 73, and the cutter head is fixed at the outer end of the positioning block.
The working principle of the structure is as follows: after the upper cutter bar is inserted into a machining center or a milling machine mounting hole, the convex block is abutted and clamped at the opening edge of the drilling reamer mounting hole of the machine tool, and under the condition that the cutter bar continuously moves upwards, the movable rod is driven to move downwards to realize that two ends of the abutting block respectively abut against the inner side ends of the two spring pins, the pin heads of the spring pins extend out of the outer side openings of the through holes, then the pin heads are inserted into fixed holes on the side walls of the machining center or the milling machine mounting hole for fixed installation, and the positioning strips are inserted into long grooves on the side walls of the drilling reamer mounting hole of the machine tool for fixed positioning and fixed installation during installation, so that the technical effect of facilitating fixation; only the cutter bar needs to be lowered during disassembly, so that the pin column head of the spring pin is separated from the end part of the abutting block, the pin column head of the spring pin automatically retracts into the through hole under the spring reset action, and the drilling reamer can be directly taken out from a machining center or a mounting hole of a milling machine for disassembly. When the milling cutter of other types need to be used simultaneously, only need through threaded connection with lower cutter arbor dismantlement back, then with the milling cutter arbor of other types outband screw thread with last cutter arbor the internal thread carry out threaded connection can for the milling cutter of different grade type is changed comparatively conveniently.
In the embodiment, the adjusting mechanism comprises a screw rod 5 and a plurality of linkage rods 6, the screw rod 5 is in threaded connection with a threaded through hole 21 of the lower cutter bar 2, the threaded through hole 21 of the lower cutter bar 2 is communicated with a groove 22, and the linkage rods 6 are arranged in the groove 22; the top ends of the linkage rods 6 are hinged with the bottom end pin shaft of the screw rod 5, and the bottom ends of the linkage rods are hinged with the inner side end pin shaft of the cutter head group 7; the screw 5 descends to push the linkage rod 6 to increase the length of the cutter head group 7 extending outwards; the screw 5 pulls the linkage rod 6 to drive the cutter head group 7 to move towards the groove 22, so that the outward extending length of the cutter head group is reduced. The structure of the screw rod enables the adjustment to be more convenient and reliable, the slot is formed in the top end of the screw rod, the screw rod can be conveniently inserted into a screwdriver to rotate, and the use performance is improved.
In this embodiment, the diameter of the upper end of the blind hole 10 is greater than the diameter of the lower end of the blind hole 10, the sidewall of the lower end of the blind hole 10 is attached to the side surface of the lower end of the movable rod 8, the protrusion 82 penetrates through the upper tool bar 1 from the sidewall of the lower end of the blind hole 10, a long through hole 101 is formed in a part penetrated by the protrusion, and the protrusion penetrates through the upper tool bar from the long through hole 101. The structure locates the displacement of the movable rod on the basis of the structure, and the disassembly and assembly performance is improved.
In this embodiment, the spring pin 3 includes a pin 31 and a spring 32, and two ports of the through hole 13 are provided with limit rings 14; the pin column is positioned in the through hole, and two ends of the pin column penetrate through the inner hole of the limiting ring; the spring is sleeved on the pin column, the outer end of the spring is abutted against the limiting ring at the outer end of the through hole 13, and the inner end of the spring is fixed with the limiting ring at the inner end of the pin column; a stop 311 is provided at the inboard end of the pin 31. The structure of the pin enables the pin head of the pin column to be more easily ejected or retracted, and the service performance and the service life are improved.
In this embodiment, the top of the upper cutter bar 1 is provided with a positioning recess 12, which enables the milling cutter to be firmly and reliably positioned and fixed, and improves the use performance during milling.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (6)
1. A milling cutter convenient to fix is characterized by comprising an upper cutter bar and a lower cutter bar, wherein the top end of the lower cutter bar is in threaded connection with a threaded hole at the bottom end of the upper cutter bar; the top end of the upper cutter bar is provided with a blind hole, a movable rod is inserted into the blind hole, the side wall of the upper part of the blind hole is provided with two through holes which are arranged correspondingly to each other, and a spring pin is arranged in each through hole; the side wall of the lower part of the blind hole is provided with a long through hole communicated with the outside; the top end of the movable rod is provided with a contact block for promoting the pin head of the spring pin to extend out of the outer side opening of the through hole, the outer side wall of the bottom end of the movable rod is provided with a convex block, and the outer side end of the convex block penetrates out of the upper cutter bar through the long through hole; the outer side wall of the upper cutter bar is provided with two positioning convex strips; after two ends of the contact block are contacted with the inner side ends of the two spring pins, pin heads of the spring pins extend out of the outer side openings of the through holes; the lower part of the end surface of the inner side of the spring pin is provided with a limiting block, and the limiting block is abutted against the side surface of the movable rod after the pin head of the spring pin retracts; the bottom end of the lower cutter bar is provided with an adjusting mechanism, a groove and a plurality of through grooves communicated with the groove, a cutter head group is inserted into each through groove, the inner side end of each cutter head group is connected with the adjusting mechanism, and the length of the cutter head group extending outwards is increased or reduced by using the adjusting mechanism so as to adjust the milling diameter of the milling cutter.
2. The milling cutter convenient to fix as claimed in claim 1, wherein the adjusting mechanism comprises a screw and a plurality of linkage rods, the screw is in threaded connection with the threaded through hole of the lower cutter bar, the threaded through hole of the lower cutter bar is communicated with the groove, and the linkage rods are arranged in the groove; the top ends of the linkage rods are hinged with the bottom end of the screw rod through pin shafts, and the bottom ends of the linkage rods are hinged with the inner side end pin shaft of the cutter head group; the screw rod descends to push the linkage rod to enable the length of the cutter head group extending outwards to be increased; the linkage rod is pulled upwards by the screw rod to drive the cutter head group to move inwards the groove, so that the length of the cutter head group extending outwards is reduced.
3. The milling cutter convenient for fixation according to claim 2, wherein the diameter of the upper end of the blind hole is larger than the diameter of the lower end of the blind hole, the side wall of the lower end of the blind hole abuts against the side surface of the lower end of the movable rod, and the protrusion extends from the side wall of the lower end of the blind hole to the outside of the upper cutter bar.
4. The milling cutter convenient for fixation according to claim 1, 2 or 3, wherein the spring pin comprises a pin and a spring, and two end ports of the through hole are provided with limiting rings; the pin column is positioned in the through hole, and two ends of the pin column penetrate through the inner hole of the limiting ring; the spring is sleeved on the pin column, the outer end of the spring is abutted against the limiting ring at the outer end of the through hole, and the inner end of the spring is fixed with the limiting ring at the inner end of the pin column; the limiting block is arranged at the inner side end of the pin column.
5. The milling cutter convenient to fix according to claim 1, 2 or 3, wherein the cutter head set comprises a positioning block and a cutter head, the positioning block is inserted into the through groove, and the cutter head is fixed at the outer side end of the positioning block.
6. The milling cutter facilitating fixing according to claim 4, wherein the cutter head set includes a positioning block inserted into the through groove and a cutter head fixed to an outer end of the positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988253.2U CN210280817U (en) | 2019-06-28 | 2019-06-28 | Milling cutter convenient to it is fixed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920988253.2U CN210280817U (en) | 2019-06-28 | 2019-06-28 | Milling cutter convenient to it is fixed |
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| Publication Number | Publication Date |
|---|---|
| CN210280817U true CN210280817U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920988253.2U Active CN210280817U (en) | 2019-06-28 | 2019-06-28 | Milling cutter convenient to it is fixed |
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| CN (1) | CN210280817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091300A (en) * | 2020-09-09 | 2020-12-18 | 邵阳县国安工具有限公司 | But cylindrical milling cutter of quick replacement milling cutter sword |
-
2019
- 2019-06-28 CN CN201920988253.2U patent/CN210280817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112091300A (en) * | 2020-09-09 | 2020-12-18 | 邵阳县国安工具有限公司 | But cylindrical milling cutter of quick replacement milling cutter sword |
| CN112091300B (en) * | 2020-09-09 | 2021-11-05 | 邵阳县国安工具有限公司 | But cylindrical milling cutter of quick replacement milling cutter sword |
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