CN213794458U - Spiral cutter machining seat - Google Patents
Spiral cutter machining seat Download PDFInfo
- Publication number
- CN213794458U CN213794458U CN202022763807.4U CN202022763807U CN213794458U CN 213794458 U CN213794458 U CN 213794458U CN 202022763807 U CN202022763807 U CN 202022763807U CN 213794458 U CN213794458 U CN 213794458U
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- rotating shaft
- convex ring
- shaft sleeve
- spiral cutter
- block
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- 238000003754 machining Methods 0.000 title claims description 24
- 238000009434 installation Methods 0.000 claims abstract description 31
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a spiral cutter processing seat, which comprises an installation block, a rotating shaft, a spiral cutter fixedly arranged on the rotating shaft through an installation mechanism, a sliding block and a rotating shaft sleeve penetrating through the sliding block; the shaft sleeve comprises a conical hole coaxially arranged in the shaft sleeve, and the rotating shaft comprises a conical end part arranged at one end of the rotating shaft; the processing seat also comprises a pressing mechanism arranged on the mounting block, and the pressing mechanism and the rotating shaft are respectively arranged on two sides of the sliding block; the mounting mechanism comprises a first convex ring coaxially and convexly arranged on one side of the spiral cutter, a second convex ring coaxially and convexly arranged on the rotating shaft, a first shaft sleeve sleeved on the rotating shaft and abutted between the first convex ring and the second convex ring, a second shaft sleeve sleeved on the rotating shaft and abutted on one side of the spiral cutter, which deviates from the first convex ring, and a locking nut which is arranged on the rotating shaft in a threaded manner and abutted against the second shaft sleeve. The utility model relates to a spiral cutter processing seat, the concentricity of the two ends of the rotating shaft is higher, the fixing effect of the rotating shaft is better; the fixing effect between the spiral cutter and the rotating shaft is better.
Description
Technical Field
The utility model relates to a spiral cutter processing seat.
Background
The existing spiral cutter machining seat mills a workpiece by installing a spiral cutter on a rotating shaft. Because of the existence of machining error, the bearing concentricity for limiting the two ends of the rotating shaft is lower, the fixing effect on the rotating shaft is poorer, and the stability of the rotating shaft is poorer in the machining process. The machining surface of the workpiece is easy to have the disordered teeth, and the machining quality of the workpiece is influenced.
Meanwhile, when the spiral cutter is installed on the rotating shaft, a limiting groove is generally machined on the inner surface of the central through hole of the spiral cutter, and a limiting piece clamped into the limiting groove is machined on the rotating shaft, so that the spiral cutter and the rotating shaft are fixed with each other. The processing degree of difficulty to spiral cutter center through-hole internal surface is great, and machining efficiency is lower, and the installation degree of difficulty is great, and the fixed effect between spiral cutter and the rotation axis is relatively poor, can influence the processingquality of work piece equally.
Disclosure of Invention
The utility model aims at providing a spiral cutter processing seat, the concentricity of the installation of the two ends of the rotating shaft is higher, and the fixing effect of the rotating shaft is better; the fixing effect between the spiral cutter and the rotating shaft is good, and the stability of the rotating shaft in the machining process is high.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a spiral cutter processing seat comprises an installation block, a driving mechanism used for driving the installation block to move, a rotating shaft capable of rotating around the direction of the axis of the installation block and penetrating through the installation block, a spiral cutter fixedly arranged on the rotating shaft through an installation mechanism, a driving motor arranged on the installation block and used for driving the rotating shaft to rotate, a sliding block capable of sliding along the direction of the axis of the rotating shaft and arranged on the installation block, and a shaft sleeve capable of rotating around the direction of the axis of the installation block and penetrating through the sliding block;
the shaft sleeve comprises a conical hole coaxially formed in the shaft sleeve, and the rotating shaft comprises a conical end part arranged at one end of the rotating shaft and used for coaxially penetrating into the conical hole; the taper angle of the tapered hole and the taper angle of the tapered end part are the same;
the machining seat further comprises a pressing mechanism which is arranged on the mounting block and used for pressing the sliding block, and the pressing mechanism and the rotating shaft are respectively arranged on two sides of the sliding block along the sliding direction of the sliding block;
the installation mechanism comprises a first convex ring arranged on one side of the spiral cutter, a first limit groove arranged on the first convex ring, a second convex ring arranged on the rotating shaft, a second limit groove arranged on the second convex ring, and a sleeve arranged on the first convex ring, wherein the rotating shaft is provided with a first shaft sleeve and a second shaft sleeve which are arranged between the first convex ring and the second convex ring, the first shaft sleeve is convexly arranged at one end of the first shaft sleeve and used for matched jacking into a first limit part and a convex part in the first limit groove, the other end of the first shaft sleeve is used for matched jacking into a second limit part and a sleeve in the second limit groove, the spiral cutter deviates from the second shaft sleeve and the thread arranged on one side of the first convex ring are arranged in the rotating shaft and used for abutting against a locking nut of the second shaft sleeve.
Preferably, the mounting block includes a first body, and a first extending portion extending outward from one end of the first body in a direction perpendicular to the first body, and the rotating shaft is rotatably disposed in the first extending portion around its axis.
More preferably, the first body is provided with a guide groove parallel to the axial lead direction of the rotating shaft, the sliding block is slidably disposed on the guide groove, the sliding block and the first extending portion are arranged at intervals along the axial lead direction of the rotating shaft, and the spiral cutter is disposed between the sliding block and the first extending portion.
Preferably, the shaft sleeve comprises a second body arranged in the sliding block and a second extending part coaxially extending outwards from one end, close to the rotating shaft, of the second body, and the tapered hole is formed in the second extending part.
Preferably, the processing seat further comprises a first mounting hole which is arranged in the mounting block and is used for being coaxially penetrated by the rotating shaft, and a second mounting hole which is arranged in the sliding block and is used for being coaxially penetrated by the shaft sleeve, and the first mounting hole and the second mounting hole are coaxially arranged.
Preferably, the pressing mechanism comprises a rotary telescopic rod arranged in the mounting block and a pressing plate connected to the rotary telescopic rod.
Preferably, actuating mechanism includes the base, can follow the gliding locating of left and right directions first sliding seat on the base, locate and be used for the drive on the base first motor of sliding seat, can follow the gliding locating of fore-and-aft direction second sliding seat on the first sliding seat, locate on the first sliding seat and be used for the drive the second motor of second sliding seat, the installation piece can follow the gliding locating of upper and lower direction on the second sliding seat, actuating mechanism is still including locating and be used for the drive on the second sliding seat the third motor of installation piece.
Preferably, the lock nut is disposed between the second bushing and the tapered end portion.
Preferably, there are two first limit grooves respectively disposed at two radial ends of the first convex ring.
Preferably, there are two second limit grooves respectively disposed at two radial ends of the second convex ring.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model relates to a spiral cutter processing seat, through setting up the conical tip in one end of the spindle, and set up the bell mouth in the axle sleeve and cooperate with it to peg graft, the close fit of conical tip and bell mouth has improved the concentricity of both ends when the spindle is installed by a wide margin; meanwhile, the close fit of the conical end part and the conical hole also improves the fixing effect on the rotating shaft; the stability of the rotating shaft is better in the processing process, and the surface of the workpiece is basically free from the disordered teeth.
Simultaneously, through protruding first bulge loop of locating spiral cutter one side, cooperation first axle sleeve and protruding second bulge loop of locating in the pivot realize the erection joint between pivot and the spiral cutter, rethread second axle sleeve and lock nut support the spiral cutter tightly on first axle sleeve, realize the fixed connection between pivot and the spiral cutter. The processing difficulty to the spiral cutter is lower, and the installation between spiral cutter and the pivot is comparatively simple, and fixed effect between the two is better. Further ensuring the processing quality of the workpiece.
Drawings
FIG. 1 is a schematic structural diagram I of the device of the present invention;
FIG. 2 is a top view of the device of the present invention;
FIG. 3 is a cross-sectional view taken along line AA of FIG. 2;
FIG. 4 is a first schematic view of an installation structure of a spiral cutter and a rotating shaft;
FIG. 5 is a second schematic view of the mounting structure of the spiral cutter and the rotating shaft;
FIG. 6 is a third schematic view of the mounting structure of the spiral cutter and the rotating shaft;
fig. 7 is a schematic structural view of a spiral cutter.
Wherein: 1. a helical cutter; 2. mounting blocks; 21. a first body; 22. a first extension portion; 23. a guide groove; 3. a rotating shaft; 4. a drive motor; 5. a slider; 6. a shaft sleeve; 61. a second body; 62. a second extension portion; 7. a tapered hole; 8. a tapered end portion; 9. a first bearing; 10. a second bearing; 11. rotating the telescopic rod; 12. pressing a plate; 13. a base; 14. a first sliding seat; 15. a second sliding seat; 16. a first convex ring; 17. a first limit groove; 18. a second convex ring; 19. a second limit groove; 20. a first bushing; 21. a first limit piece; 22. a second limiting member; 23. a second shaft sleeve; 24. locking the nut; 25. knife edge.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1-3, the spiral tool machining seat comprises a mounting block 2 and a driving mechanism for driving the mounting block 2 to move.
In this embodiment, the driving mechanism is used to drive the mounting block 2 to make three-axis motion. The driving mechanism includes a base 13, a first sliding seat 14 disposed on the base 13 and capable of sliding in a left-right direction (i.e., a left-right direction in fig. 2), a first motor (not shown) disposed on the base 13 and used for driving the first sliding seat 14 to slide left and right, a second sliding seat 15 disposed on the first sliding seat 14 and capable of sliding in a front-back direction (i.e., a vertical direction in fig. 2), a second motor (not shown) disposed on the first sliding seat 14 and used for driving the second sliding seat 15 to slide back and forth, a mounting block 2 disposed on the second sliding seat 15 and capable of sliding in a vertical direction (i.e., a vertical direction in fig. 3), and a third motor (not shown) disposed on the second sliding seat 15 and used for driving the mounting block 2 to slide up and down.
The spiral cutter machining seat further comprises a rotating shaft 3 which can rotate around the self axial lead direction and penetrates through the installation block 2, a spiral cutter 1 which is fixedly arranged on the rotating shaft 3 through an installation mechanism, a driving motor 4 which is arranged on the installation block 2 and is used for driving the rotating shaft 3 to rotate, a sliding block 5 which can slide along the axial lead direction of the rotating shaft 3 and is arranged on the installation block 2, and a shaft sleeve 6 which can rotate around the self axial lead direction and penetrates through the sliding block 5.
Referring to fig. 3, in the present embodiment, the mounting block 2 includes a first body 21, a first extending portion 22 formed by extending one end of the first body 21 outward in a direction perpendicular to the first body 21, and the rotating shaft 3 is rotatably disposed in the first extending portion 22 around its axis. The length of the first body 21 extends in a direction parallel to the axis of the shaft 3, and the first extension 22 extends in a direction perpendicular to the axis of the shaft 3.
Referring to fig. 2, in the present embodiment, a guide groove 23 parallel to the axial line of the rotating shaft 3 is formed on the other end side of the first body 21, and the slider 5 is slidably disposed on the guide groove 23. The slide block 5 and the first extension portion 22 are arranged at intervals along the axial lead direction of the rotating shaft 3, and the spiral cutter 1 is arranged between the slide block 5 and the first extension portion 22. The first extending portion 22 and the slider 5 are both forward convex (see fig. 2, the lower side in fig. 2 is the front side) and are disposed on the first body 21, and a rotating space of the rotating shaft 3 is formed between the two.
The shaft sleeve 6 includes a tapered hole 7 coaxially opened therein, and the rotary shaft 3 includes a tapered end portion 8 provided at one end thereof and adapted to coaxially penetrate into the tapered hole 7. The angle of the cone angle of the conical bore 7 and the conical end 8 is the same. Referring to fig. 3, a tapered end portion 8 is provided at the right end of the rotary shaft 3, and a tapered hole 7 is opened at the left end of the sleeve 6. The angle of the conical end part 8 is the same as that of the conical hole 7, so that the two can be tightly matched along the circumferential direction when being mutually plugged.
Above-mentioned spiral cutter processing seat still includes the hold-down mechanism who locates on installation piece 2 and be used for compressing tightly slider 5, and hold-down mechanism and pivot 3 locate slider 5 respectively along its sliding direction's both sides.
Referring to fig. 1, in the present embodiment, the pressing mechanism includes a rotating telescopic rod 11 provided in the mounting block 2, and a pressing plate 12 connected to the rotating telescopic rod 11. Rotatory telescopic link 11 can realize rotatory and flexible function simultaneously, realizes compressing tightly slider 5 through flexible, realizes stepping down to slider 5 through the rotation. The axial lead direction of the rotating telescopic rod 11 is parallel to the axial lead direction of the rotating shaft 3.
Referring to fig. 3, the shaft sleeve 6 includes a second body 61 disposed in the sliding block 5, a second extending portion 62 formed by coaxially extending outward from one end of the second body 61 close to the rotating shaft 3, and the tapered hole 7 opened in the second extending portion 62. The second extension portion 62 is provided at the left end of the second body 61 (the left in fig. 3 is the left here).
The spiral cutter machining seat further comprises a first mounting hole which is formed in the first extension portion 22 and is used for being coaxially penetrated by the rotating shaft 3, a second mounting hole which is formed in the sliding block 5 and is used for being coaxially penetrated by the shaft sleeve 6, and the first mounting hole and the second mounting hole are coaxially arranged. In this embodiment, the spiral tool machining seat further includes a first bearing 9 disposed in the first mounting hole, and a second bearing 10 disposed in the second mounting hole.
Referring to fig. 4-7, the mounting mechanism includes a first collar 16 coaxially and convexly disposed on an end surface of one side of the spiral tool 1, a first limiting groove 17 disposed on the first collar 16, a second collar 18 coaxially and convexly disposed on the rotating shaft 3, a second limiting groove 19 disposed on the second collar 18, a first shaft sleeve 20 sleeved on the rotating shaft 3 and abutted between the first collar 16 and the second collar 18, a first limiting member 21 convexly disposed at one end of the first shaft sleeve 20 and used for being pushed into the first limiting groove 17 in a matching manner, and a second limiting member 22 convexly disposed at the other end of the first shaft sleeve 20 and used for being pushed into the second limiting groove 19 in a matching manner.
Referring to fig. 5, in the present embodiment, the left end of the rotating shaft 3 is connected to the output end of the driving motor 4, the second protruding ring 18 is protruded near the middle of the rotating shaft 3, the second protruding ring 18 is fixedly sleeved on the rotating shaft 3, and the first protruding ring 16 is protruded on the left end surface of the spiral cutter 1. Wherein, the first convex ring 16 and the spiral cutter 1 are integrally formed; the second collar 18 is integrally formed with the shaft 3.
Referring to fig. 7, in the present embodiment, two first limit grooves 17 are provided at two radial ends of the first protruding ring 16. The first stopper groove 17 blocks the first lug 16 in the radial direction of the first lug 16.
Referring to fig. 5 to 6, in the present embodiment, two second limiting grooves 19 are provided at two radial ends of the second protruding ring 18. The second stopper groove 19 blocks the second lug 18 in the radial direction of the second lug 18.
Referring to fig. 4-5, in the present embodiment, the outer diameter of the first protruding ring 16 is smaller than the inner diameter of the knife edge 25 (the knife edge 25 is the lowest point between the knife edges) of the screw cutter 1; by this arrangement, it is prevented that the first projecting ring 16 interferes with the workpiece when the screw cutter 1 machines the workpiece. The inner diameter of the first male ring 16, the inner diameter of the second male ring 18, the inner diameter of the screw cutter 1 and the diameter of the rotary shaft 3 are the same so as to facilitate fitting with each other. The first and second bushings 20 and 23 each have the same inner diameter as the shaft 3.
The mounting mechanism further comprises a second shaft sleeve 23 which is sleeved on the rotating shaft 3 and is abutted to one side, away from the first convex ring 16, of the spiral cutter 1, and a locking nut 24 which is installed on the rotating shaft 3 in a threaded mode and is used for abutting against the second shaft sleeve 23 tightly.
Referring to fig. 5 to 6, in the present embodiment, the left end of the second sleeve 23 abuts against the right end face of the spiral cutter 1, the right end of the rotating shaft 3 is provided with a thread, the locking nut 24 abuts against the right end of the second sleeve 23 through the thread, and the second sleeve 23, the spiral cutter 1 and the first sleeve 20 are sequentially abutted against the second convex ring 18, so as to fixedly connect the spiral cutter 1. Wherein the lock nut 24 is arranged between the second bushing 23 and the tapered end 8 without affecting the fitting of the tapered end 8 and the tapered bore 7.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a spiral cutter processing seat which characterized in that: the device comprises an installation block, a driving mechanism for driving the installation block to move, a rotating shaft which is arranged in the installation block in a penetrating way and can rotate around the self axial lead direction, a spiral cutter which is fixedly arranged on the rotating shaft through an installation mechanism, a driving motor which is arranged on the installation block and is used for driving the rotating shaft to rotate, a sliding block which is arranged on the installation block and can slide along the axial lead direction of the rotating shaft, and a shaft sleeve which is arranged in the sliding block in a penetrating way and can rotate around the self axial lead direction;
the shaft sleeve comprises a conical hole coaxially formed in the shaft sleeve, and the rotating shaft comprises a conical end part arranged at one end of the rotating shaft and used for coaxially penetrating into the conical hole; the taper angle of the tapered hole and the taper angle of the tapered end part are the same;
the machining seat further comprises a pressing mechanism which is arranged on the mounting block and used for pressing the sliding block, and the pressing mechanism and the rotating shaft are respectively arranged on two sides of the sliding block along the sliding direction of the sliding block;
the installation mechanism comprises a first convex ring arranged on one side of the spiral cutter, a first limit groove arranged on the first convex ring, a second convex ring arranged on the rotating shaft, a second limit groove arranged on the second convex ring, and a sleeve arranged on the first convex ring, wherein the rotating shaft is provided with a first shaft sleeve and a second shaft sleeve which are arranged between the first convex ring and the second convex ring, the first shaft sleeve is convexly arranged at one end of the first shaft sleeve and used for matched jacking into a first limit part and a convex part in the first limit groove, the other end of the first shaft sleeve is used for matched jacking into a second limit part and a sleeve in the second limit groove, the spiral cutter deviates from the second shaft sleeve and the thread arranged on one side of the first convex ring are arranged in the rotating shaft and used for abutting against a locking nut of the second shaft sleeve.
2. The screw tool machining seat according to claim 1, wherein: the mounting block comprises a first body and a first extending part, wherein the first extending part extends outwards from one end of the first body along the direction vertical to the first body, and the rotating shaft can rotate around the axis direction of the rotating shaft and penetrate through the first extending part.
3. A screw tool machining seat according to claim 2, wherein: the first body is provided with a guide groove parallel to the axial lead direction of the rotating shaft, the sliding block is arranged on the guide groove in a sliding mode, the sliding block and the first extending portion are arranged at intervals along the axial lead direction of the rotating shaft, and the spiral cutter is arranged between the sliding block and the first extending portion.
4. The screw tool machining seat according to claim 1, wherein: the shaft sleeve comprises a second body arranged in the sliding block and a second extending part, wherein one end of the second body, which is close to the rotating shaft, extends coaxially and outwards, and the tapered hole is formed in the second extending part.
5. The screw tool machining seat according to claim 1, wherein: the processing seat further comprises a first mounting hole which is arranged in the mounting block and is used for being coaxially penetrated by the rotating shaft, and a second mounting hole which is arranged in the sliding block and is used for being coaxially penetrated by the shaft sleeve, and the first mounting hole and the second mounting hole are coaxially arranged.
6. The screw tool machining seat according to claim 1, wherein: the pressing mechanism comprises a rotary telescopic rod arranged in the mounting block and a pressing plate connected to the rotary telescopic rod.
7. The screw tool machining seat according to claim 1, wherein: actuating mechanism includes the base, can follow the gliding locating of left right direction first sliding seat on the base, locate and be used for the drive on the base first motor of first sliding seat, can follow the gliding locating of fore-and-aft direction second sliding seat on the first sliding seat, locate just be used for the drive on the first sliding seat the second motor of second sliding seat, the gliding locating of direction about can being followed of installation piece is on the second sliding seat, actuating mechanism is still including locating and be used for the drive on the second sliding seat the third motor of installation piece.
8. The screw tool machining seat according to claim 1, wherein: the lock nut is arranged between the second shaft sleeve and the conical end part.
9. The screw tool machining seat according to claim 1, wherein: the number of the first limiting grooves is two, and the two first limiting grooves are respectively arranged at two radial ends of the first convex ring.
10. The screw tool machining seat according to claim 1, wherein: the number of the second limit grooves is two, and the two second limit grooves are respectively arranged at two radial ends of the second convex ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763807.4U CN213794458U (en) | 2020-11-25 | 2020-11-25 | Spiral cutter machining seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022763807.4U CN213794458U (en) | 2020-11-25 | 2020-11-25 | Spiral cutter machining seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213794458U true CN213794458U (en) | 2021-07-27 |
Family
ID=76938976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022763807.4U Active CN213794458U (en) | 2020-11-25 | 2020-11-25 | Spiral cutter machining seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213794458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317831A (en) * | 2020-11-25 | 2021-02-05 | 张家港市真智自动化科技有限公司 | Spiral cutter machining seat |
-
2020
- 2020-11-25 CN CN202022763807.4U patent/CN213794458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317831A (en) * | 2020-11-25 | 2021-02-05 | 张家港市真智自动化科技有限公司 | Spiral cutter machining seat |
| CN112317831B (en) * | 2020-11-25 | 2024-08-09 | 张家港市真智自动化科技有限公司 | Spiral cutter processing seat |
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