CN210587328U - Multi-shaft drilling head with wheelbase capable of being adjusted at high precision - Google Patents
Multi-shaft drilling head with wheelbase capable of being adjusted at high precision Download PDFInfo
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- CN210587328U CN210587328U CN201921592514.5U CN201921592514U CN210587328U CN 210587328 U CN210587328 U CN 210587328U CN 201921592514 U CN201921592514 U CN 201921592514U CN 210587328 U CN210587328 U CN 210587328U
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Abstract
A multi-shaft drilling head with a high-precision adjustable wheel base comprises a motor and a spindle box. The bottom of the main spindle box is provided with a wheel base adjusting device which comprises a gland, a plane gear, a sliding block and a sliding seat body; the sliding seat body is provided with a plurality of sliding grooves which point to the circle center and equally divide the circumference; the sliding block slides in the sliding groove; the plane gear can circumferentially slide on the sliding seat body; one end face of the face gear is provided with a plane thread which is meshed with the thread on the back of the sliding block; the gland limits the plane gear and is connected with the spindle box; the utility model discloses a rotation face gear drives a plurality of sliders equidistance simultaneously and slides on the sliding seat body, has realized doing main shaft equidistance adjustment axle center simultaneously to easy operation, adjustment accuracy height.
Description
Technical Field
The utility model relates to a machining equipment especially relates to an adjustable multiaxis of axle distance drilling head.
Background
The conventional drilling head mainly comprises a motor, a main shaft box, a base and the like, wherein the motor drives the main shaft box, a single-shaft drilling machine needs to move parts for multiple times to complete operation on the parts, the operation is complex, the precision is low, and the efficiency is low, therefore, the multi-shaft drilling head is also appeared in the market, the structure of the multi-shaft drilling head is most different from that of the single-shaft drilling machine, the multi-shaft drilling head is connected and pulled with a main motor and each main shaft through gears and universal joints, so that the synchronous operation of the plurality of main shafts is realized, the main shafts are uniformly distributed in a circumferential shape, the adjustment is very inconvenient when the hole pitch of a machined part is changed, the main shafts are fixed in adjusting holes of an adjusting platform of the main shafts through bearings by the adjustment of the pitch, the adjusting holes are uniformly distributed in a radial shape, each main shaft is required to be adjusted when the pitch of each main shaft is adjusted, so, at present, the multi-shaft drilling head is mainly used for processing special parts, and the distance between the main shafts cannot be adjusted well according to the change of the processed parts.
The utility model discloses a what has at present has been a utility model like "CN 201776474U adjustable interval's multi-spindle drilling machine", introduced a can spacing simultaneously multiple-spindle drilling machine, through the rotatory rotation regulation of taking the through-hole that gradually bursts at the seams in the rotatory area, accomplish a plurality of main shafts and take the equidistant slip in the radioactivity property through-hole simultaneously, realize the interaxial distance of disposable accurate accent interaxial, but the utility model discloses well main shaft axial is only controlled by the waist hole of fixed regulating plate and rotatory regulating plate, lead to this equipment main shaft not to possess stability, the problem of skew angle takes place for the main shaft appears easily, and rotate through the rotatory regulating plate of taking involute line slotted hole and adjust the wheel base, the rotatory very little angle of this rotatory regulating plate just can arouse the great change of wheel base, to practical processing, the regulation precision is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome prior art not enough, provide a but multiaxis drilling head of wheel base high accuracy regulation, solved prior art inefficiency, problem that the precision is not high.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a multi-shaft drilling head with a high-precision adjustable wheel base comprises a motor and a main shaft box, wherein a wheel base adjusting device is arranged at the bottom of the main shaft box; the wheel base adjusting device comprises a gland, a plane gear, a sliding block and a sliding seat body; the sliding seat body is in a ring shape, a plurality of sliding grooves are formed in one side surface of the sliding seat body, and the sliding grooves point to the circle center and equally divide the circumference; the sliding block is in sliding fit with the sliding groove, and the sliding block can slide centripetally or centrifugally in the sliding groove; the back of the sliding block is provided with threads; the other side surface of the sliding seat body is provided with a circular groove which is provided with a plane gear matched with the circular groove in shape, and the plane gear slides on the sliding seat body in a circumferential manner; one end face of the face gear is provided with an Archimedes spiral line-shaped plane thread, and the plane thread is meshed with the thread on the back of the sliding block; the gland is annular, and the inner ring and the outer ring are respectively connected with the sliding seat body and the spindle box through bolts to limit the plane gear; a universal joint is arranged in the spindle box, the upper end of the universal joint is connected with a motor through a gear or a belt wheel, a plurality of spindles are arranged at the lower end of the universal joint, and drill bits are arranged on the spindles; the sliding block is provided with a main shaft sliding sleeve at one end close to the circle center, the main shaft sliding sleeve is sleeved on the main shaft, and the main shaft can rotate and slide in the main shaft sliding sleeve. In the course of the work, rotate face gear, the plane screw thread of terminal surface drives a plurality of sliding blocks simultaneously and is close to or keeps away from to the center, because of the plane screw thread is Archimedes helix type, adjacent screw thread distance is unanimous, and each pitch of sliding block back screw thread also is unanimous with plane screw thread pitch, so a plurality of sliding blocks remain unanimous displacement volume all the time, consequently restrained in the terminal main shaft of sliding block also carrying out the equidistance displacement, and face gear pivoted angle with the main shaft displacement volume is direct proportional relation, can quantify the main shaft axle distance through turned angle.
Further, processing can meet the hole of non-circumference equipartition sometimes, in order to adapt to various operating modes, be equipped with the swing arm on the sliding block, be equipped with long waist hole in the swing arm, through the bolt with the sliding block is connected, main shaft sliding sleeve fixed connection is in the swing arm near one end apart from the centre of a circle, be equipped with the constant head tank on the sliding block, with protruding phase-match in location on the swing arm. When the holes which are not circumferentially and uniformly distributed are machined, the latter bolt can be removed, and the swing arm can freely extend and change the azimuth angle, so that the main shaft reaches a preset position, and the workload of replacing machining equipment by an operator is reduced. When resuming processing the hole of conventional circumference equipartition, swing arm and sliding block pass through the constant head tank and fix a position protruding realization accurate location, and rethread bolt tightening has eliminated the error that produces when the swing arm adjustment basically.
Furthermore, in order to facilitate the rotation of the plane gear, a plurality of inner hexagonal counter bores are formed in the plane gear, and a hexagonal wrench is inserted to increase a power rotating arm so as to achieve the effect of easily rotating the plane gear.
Furthermore, the side face of the plane gear is provided with a graduated scale, so that an operator can conveniently observe the rotating angle of the plane gear to achieve accurate adjustment of the spindle distance.
Furthermore, the universal joint is a telescopic universal joint, the relative position of the main shaft and a main shaft box transmission part is changed due to the adjustment of the distance between the main shaft and the main shaft box, if the telescopic universal joint is not used, the distance of the main shaft extending out of the shaft distance adjusting device is continuously changed, and the universal joint is required to be a telescopic universal joint for ensuring the fixed extending length of the main shaft.
The utility model has the advantages that:
1. a but multiaxis drilling head that wheel base high accuracy was adjusted, rotate face gear, the plane screw thread colleague of terminal surface drive a plurality of sliding blocks and be close to or keep away from to the center simultaneously, because of the plane screw thread is Archimedes helix type, adjacent screw thread distance is unanimous, and each pitch of sliding block back screw thread is also unanimous with plane screw thread pitch, so a plurality of sliding blocks remain unanimous displacement volume all the time, consequently the equidistance displacement is also being carried out with the terminal main shaft of sliding block to the restraint. And the rotation angle of the plane gear is in direct proportion to the displacement of the main shaft, and the axial distance of the main shaft can be quantified through the rotation angle.
2. But a multiaxis drilling head that wheel base high accuracy was adjusted, be equipped with the swing arm on the sliding block, can satisfy the work demand of multiple operating mode to it is protruding to have constant head tank and location, the error that produces when having eliminated the swing arm adjustment basically.
3. A but multiaxis drilling head that wheel base high accuracy was adjusted, because of the face gear rotates the round, the distance of tooth base is just shifted to the sliding block, can realize wheel base high accuracy control through control face gear turned angle.
Drawings
Fig. 1 is a schematic structural view of a multi-spindle drilling head with a highly precisely adjustable wheelbase according to the present invention;
fig. 2 is a schematic structural view of the wheel base adjusting device according to the present invention;
fig. 3 is a schematic structural view of the sliding block of the present invention;
fig. 4 is a schematic structural view of the sliding seat of the present invention;
fig. 5 is a rotary sectional view of the sliding seat a-a according to the present invention;
fig. 6 is a schematic view of the end face structure of the face gear of the present invention;
fig. 7 is a half sectional view of the face gear structure according to the present invention;
fig. 8 is a schematic bottom view of the wheelbase adjusting device when the circular equally-divided holes are processed according to the present invention;
fig. 9 is a schematic bottom view of the wheelbase adjusting device when the non-circular holes are processed.
In the figure: 1, a motor; 2, a main spindle box; 21 a universal joint; 22 a main shaft; 23; a drill bit; 3, a wheel base adjusting device; 31, a gland; 32 face gears; 321 planar threads; 322 inner hexagonal counter bore; 323 a graduated scale; 33 sliding blocks; 331 a main shaft sliding sleeve; 332 swing arm; 333 locating slot; 334 positioning projection; 34 a sliding seat body; 341 sliding groove.
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 without creative work belong to the protection scope of the present invention.
In the embodiment, six main shafts are adopted, and the distance between two or more main shafts can be adjusted simultaneously according to requirements in practical application.
As shown in fig. 1-9, a multi-spindle drilling head with highly adjustable wheel base comprises a motor 1, a spindle box 2, a wheel base adjusting device 3 arranged at the bottom of the spindle box 2; the wheel base adjusting device 3 comprises a gland 31, a plane gear 32, a sliding block 33 and a sliding seat body 34; the sliding seat body 34 is a circular ring, 12 sliding grooves 341 are formed in one side surface, and the sliding grooves 341 point to the circle center and equally divide the circumference; different numbers of sliding blocks 33 can be installed according to actual needs, in this embodiment, six sliding blocks 33 are arranged at intervals and are in sliding fit with the sliding grooves 341, and the sliding blocks 33 can slide centripetally or centrifugally in the sliding grooves 341; the back of the sliding block 33 is provided with threads; the other side surface of the sliding seat body 34 is provided with a circular groove, a plane gear 32 matched with the circular groove in shape is arranged in the groove, and the plane gear 32 slides on the sliding seat body 34 in a circumferential manner; one end face of the face gear 32 is provided with an Archimedes spiral-shaped plane thread 321, and the plane thread 321 is meshed with the thread on the back of the sliding block 33; the gland 31 is annular, and the inner ring and the outer ring are respectively connected with the sliding seat body and the spindle box through bolts to limit the plane gear 32; a universal joint 21 is arranged in the spindle box 2, the upper end of the universal joint 21 is connected with the motor 1 through a gear or a belt pulley, six spindles 22 are arranged at the lower end of the universal joint 21, and a drill bit 23 is arranged on each spindle 22; the sliding block 33 is provided with a main shaft sliding sleeve 331 at one end closer to the circle center, and is sleeved on the main shaft 22, and the main shaft 22 can rotate and slide in the main shaft sliding sleeve 331. In the working process, the plane gear 32 is rotated, the plane threads 321 on the end surface simultaneously drive the sliding blocks 33 to be close to or far away from the center, the plane threads 321 are of an archimedes spiral line type, the distances between adjacent threads are consistent, and the thread pitches on the back surface of the sliding blocks 33 are consistent with those of the plane threads 321, so that the sliding blocks 33 always keep consistent displacement, the spindle 22 constrained at the tail end of the sliding blocks 33 is also displaced at equal intervals, the rotating angle of the plane gear 32 is in direct proportion to the displacement of the spindle 22, and the axial distance of the spindle 22 can be quantized through the rotating angle.
In practical application, the processing sometimes can meet the hole of non-circumference equipartition, in order to adapt to various operating modes, be equipped with swing arm 332 on the sliding block 33, be equipped with long waist hole on the swing arm 332, through the bolt with the sliding block 33 is connected, main shaft sliding sleeve 331 fixed connection is in the nearer one end of swing arm 332 apart from the centre of a circle, be equipped with constant head tank 333 on the sliding block 33, with the protruding 334 phase-match of location on the swing arm 332. In one embodiment, when machining holes with non-circumferential uniform distribution, as shown in fig. 9, the latter bolt can be removed, and the swing arm 332 can freely extend and change the azimuth angle, so that the main shaft reaches the preset position, and the workload of the operator for replacing the machining equipment is reduced. In one embodiment, when normal circumferentially and uniformly distributed holes are machined, as shown in fig. 8, the swing arm 332 and the sliding block 33 are precisely positioned by the positioning groove 333 and the positioning protrusion 334, and then are screwed by the bolt, so that errors generated when the swing arm 332 is adjusted are substantially eliminated.
In practical application, in order to facilitate the rotation of the face gear, a plurality of inner hexagonal counter bores 322 are formed in the face gear 32, and a hexagonal wrench is inserted to increase a rotation force arm, so that the effect of easily rotating the face gear 32 is achieved.
In practical application, because of the planar gear rotates a circle, the sliding block only moves a pitch distance, and the high-precision control of the axle distance can be realized by controlling the rotation angle of the planar gear. The side surface of the plane gear 32 is provided with a graduated scale 323, so that an operator can conveniently observe the rotating angle of the plane gear 32 to achieve accurate adjustment of the axle distance of the main shaft 22.
In practical application, the universal joint 21 is a telescopic universal joint, and as the distance between the main shaft 22 and the transmission part of the main shaft 2 is adjusted, the relative position between the main shaft 22 and the transmission part of the main shaft 2 is changed, and if the telescopic universal joint is not used, the distance that the main shaft 22 extends out of the wheelbase adjusting device 3 is continuously changed, and in order to ensure that the extending length of the main shaft 22 is fixed, the universal joint 21 is a telescopic universal joint.
To sum up, the utility model discloses the adjustment of completion main shaft wheel base that can be fine has the regulation convenience, adjusts the precision height.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (5)
1. The utility model provides a but axle base high accuracy adjusts multiaxis drilling head, includes motor (1), headstock (2), its characterized in that: the bottom of the main shaft box (2) is provided with a wheel base adjusting device (3); the wheel base adjusting device (3) comprises a gland (31), a plane gear (32), a sliding block (33) and a sliding seat body (34); the sliding seat body (34) is in a ring shape, a plurality of sliding grooves (341) are formed in one side surface, point to the circle center and equally divide the circumference; the sliding block (33) is in sliding fit with the sliding groove (341), and the sliding block (33) can slide centripetally or centrifugally in the sliding groove (341); the back of the sliding block (33) is provided with threads; the other side surface of the sliding seat body (34) is provided with a circular groove, a plane gear (32) matched with the circular groove in shape is arranged in the circular groove, and the plane gear (32) slides on the sliding seat body (34) in a circumferential manner; one end face of the face gear (32) is provided with an Archimedes spiral-shaped face thread (321), and the face thread (321) is meshed with a thread on the back face of the sliding block (33); the gland (31) is annular, and the inner ring and the outer ring are respectively connected with the sliding seat body (34) and the spindle box (2) through bolts to limit the plane gear (32); a universal joint (21) is arranged in the spindle box (2), the upper end of the universal joint (21) is connected with the motor (1) through a gear or a belt wheel, a plurality of spindles (22) are arranged at the lower end of the universal joint (21), and a drill bit (23) is arranged on each spindle (22); the end, close to the circle center, of the sliding block (33) is provided with a main shaft sliding sleeve (331) which is sleeved on the main shaft (22), and the main shaft (22) can rotate and slide in the main shaft sliding sleeve (331).
2. A multi-spindle drilling head with a highly precisely adjustable wheelbase according to claim 1, characterized in that: be equipped with swing arm (332) on sliding block (33), be equipped with long waist hole on swing arm (332), through the bolt with sliding block (33) are connected, main shaft sliding sleeve fixed connection is in swing arm (332) apart from the nearer one end of centre of a circle, be equipped with constant head tank (333) on sliding block (33), with protruding (334) phase-match in location on the swing arm.
3. A multi-spindle drilling head with a highly precisely adjustable wheelbase according to claim 1, characterized in that: the face gear (32) is provided with a plurality of inner hexagonal counter bores (322).
4. A multi-spindle drilling head with a highly precisely adjustable wheelbase according to claim 1, characterized in that: and a graduated scale (323) is arranged on the side surface of the plane gear (32).
5. A multi-spindle drilling head with a highly precisely adjustable wheelbase according to claim 1, characterized in that: the universal joint (21) is a telescopic universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592514.5U CN210587328U (en) | 2019-09-23 | 2019-09-23 | Multi-shaft drilling head with wheelbase capable of being adjusted at high precision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921592514.5U CN210587328U (en) | 2019-09-23 | 2019-09-23 | Multi-shaft drilling head with wheelbase capable of being adjusted at high precision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210587328U true CN210587328U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921592514.5U Active CN210587328U (en) | 2019-09-23 | 2019-09-23 | Multi-shaft drilling head with wheelbase capable of being adjusted at high precision |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210587328U (en) |
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2019
- 2019-09-23 CN CN201921592514.5U patent/CN210587328U/en active Active
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