CN213888188U - Novel single-arm cradle type five-axis turntable for five-axis machining center - Google Patents
Novel single-arm cradle type five-axis turntable for five-axis machining center Download PDFInfo
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- CN213888188U CN213888188U CN202022400929.7U CN202022400929U CN213888188U CN 213888188 U CN213888188 U CN 213888188U CN 202022400929 U CN202022400929 U CN 202022400929U CN 213888188 U CN213888188 U CN 213888188U
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Abstract
The utility model discloses a novel single-arm cradle type five-axis turntable for a five-axis machining center, which comprises a fixed disk fixedly connected with a machine tool body, wherein an A-axis servo transmission mechanism for rotating around the machine tool body is arranged on the fixed disk, a single-arm turntable rotating along with the A-axis servo transmission mechanism is arranged on one side of the A-axis servo transmission mechanism, a C-axis servo transmission mechanism for driving a clamping workpiece to rotate is arranged on the single-arm turntable, a rotary chuck base rotating along with the C-axis servo transmission mechanism is arranged above the C-axis servo transmission mechanism, and a chuck for clamping the workpiece is arranged on the rotary chuck base. Meanwhile, the difficulty of designing the main shaft is reduced, so that the main shaft is simple in structure, good in rigidity and low in manufacturing cost.
Description
Technical Field
The utility model relates to a digit control machine tool technical field, in particular to a five revolving stages of novel single armed cradle formula for five machining centers.
Background
The five-axis turntable is mostly applied to a machining center and used for machining workpieces; through the five-axis turntable, the workpiece can be clamped at one time, the machining of 5 surfaces can be completed, and the machining of a curved surface can be completed.
At present, a fifth shaft in the industry is a fifth shaft, namely a C shaft, which drives a workbench for clamping workpieces to rotate, and is usually driven by a worm gear reducer, and a driven servo motor is arranged on the bottom surface of a roll-over table and is arranged opposite to the table surface of the fifth shaft; therefore, the motor occupies a larger space, and the machine tool has a larger volume; the fourth shaft, namely the a shaft, is used for driving the workbench to rotate, the two sides of the workbench are usually supported for driving the workbench to rotate, the volume ratio is large, and the workbench cannot adapt to a machine tool with a small volume.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a five revolving stages of novel single armed cradle formula for five machining centers, its simple structure is reasonable, greatly reduced self weight to can rationally carry out circuit layout, reduce the volume of five revolving stages, reduce the degree of difficulty of main shaft design simultaneously, make main shaft simple structure, the rigidity is better, and manufacturing cost is lower.
In order to realize the above-mentioned purpose, the utility model provides a five revolving stages of novel single armed cradle formula for five machining centers, including be used for with lathe bed fixed connection's fixed disk, the fixed disk facial make-up is equipped with and is used for around the rotatory A axle servo drive mechanism of lathe bed, the rotatory single armed revolving stage of following A axle servo drive mechanism is installed to A axle servo drive mechanism one side, single armed revolving stage facial make-up is equipped with the rotatory C axle servo drive mechanism of drive clamping work piece, the rotatory rotating chuck base of following C axle servo drive mechanism is installed to C axle servo drive mechanism top, rotating chuck base facial make-up is equipped with the chuck that is used for the clamping work piece.
Preferably, the servo transmission mechanism of the shaft A comprises a servo motor fixing plate, a first servo motor, a synchronous belt adjusting device, a synchronous belt, a first synchronous belt wheel, a second synchronous belt wheel, a hollow pipe, a first speed reducing mechanism and an output disc; fixed disk one side fixedly connected with hold-in range adjusting device, the servo motor fixed plate has been installed in the fixed disk activity, fixed first servo motor of having installed on the servo motor fixed plate, first servo motor passes through the first synchronous pulley of key-type connection, the cover is equipped with the hold-in range on the first synchronous pulley, hold-in range pot head is established on first synchronous pulley, and another pot head is established at second synchronous pulley, second synchronous pulley passes through bolt and first reduction gears's input fixed connection, bolt fixed connection output dish is passed through to first reduction gears's output, the inside hollow tube of having installed of first reduction gears, the output dish passes through bolt fixed connection single armed revolving stage.
Preferably, the synchronous belt adjusting device comprises a first fixed block, the middle part of the first fixed block is fixedly connected to the fixed disc through a bolt, one end of the first fixed block is provided with a first through hole, the other end of the first fixed block is provided with a second through hole, the first through hole is movably provided with a first bolt, the second through hole is movably provided with a second bolt, the first bolt is arranged on one side of the servo motor fixed plate through the first through hole, the second bolt is arranged on the other side of the servo motor fixed plate through the second through hole, one side of the servo motor fixed plate is provided with at least one first U-shaped groove, the other side of the servo motor fixed plate is provided with at least one second U-shaped groove, the first U-shaped groove is internally provided with a first supporting bolt, the first supporting bolt is fixedly arranged on the fixed disc, and the second U-shaped groove is internally provided with a second supporting bolt, and the second supporting bolt is fixedly arranged on the fixed disc.
Preferably, the hollow tube is of a hollow structure, the cable is arranged in the hollow tube, the first speed reducing mechanism is a hollow speed reducing mechanism, the speed reducing ratio of the first speed reducing mechanism is 80:1, and the rotation angle range of the A-axis servo transmission mechanism is between-110 degrees and 110 degrees.
Preferably, the inside of the single-arm rotary table is of a hollow structure, the cable is arranged in the single-arm rotary table, and the detachable sealing plate is arranged at the lower part of the single-arm rotary table.
Preferably, the C-axis servo transmission mechanism comprises a second servo motor and a second speed reducing mechanism, the second servo motor is fixedly installed on one side of the single-arm rotary table through a bolt, the second servo motor is connected with the input end of the second speed reducing mechanism through a key, the output end of the second speed reducing mechanism is fixedly installed with a rotary chuck base through a bolt, and the single-arm rotary table is further fixedly installed with a sealing end cover used for sealing the C-axis servo transmission mechanism through a bolt.
Preferably, the reduction ratio of the second speed reducing mechanism is 80:1, and the rotating angle range of the C-axis servo transmission mechanism is between 0 and 360 degrees.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the servo drive mechanism of A axle is equipped with first reduction gears in, first reduction gears is cavity formula reduction gears, the inside hollow tube of having installed of first reduction gears can greatly reduced self weight to can rationally solve C axle servo drive mechanism's circuit layout, the protection internal circuit that the hollow tube can be fine is installed C axle servo drive mechanism's connecting wire inside the hollow tube, is favorable to reducing five revolving stages's volume.
2. The servo drive mechanism of A axle can drive the rotation of single armed revolving stage-110 to +110, installs the servo drive mechanism of C axle on the single armed revolving stage and can carry out 360 gyrations, adopts the above-mentioned combination, except fixing the work piece bottom surface on the chuck, all the other five faces can all be processed, can subdivide the work piece into any angle, process out inclined plane or inclined hole, the utility model discloses install and realize five-axle linkage on machining center, can process out complicated space curved surface, the last main shaft of machining center has reduced the design degree of difficulty, and the structure of main shaft is simpler, and the rigidity is better, and manufacturing cost is lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are 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 schematic front structural view of a novel single-arm cradle type five-axis turntable for a five-axis machining center according to the present invention;
fig. 2 is a schematic side structural view of a novel single-arm cradle type five-axis turntable for a five-axis machining center according to the present invention;
fig. 3 is a schematic exploded structural view of a novel single-arm cradle type five-axis turntable for a five-axis machining center according to the present invention;
fig. 4 is a schematic cross-sectional view of a novel single-arm cradle type five-axis turntable for a five-axis machining center according to the present invention;
fig. 5 is a schematic view of the overall structure of an a-axis servo transmission mechanism of a novel single-arm cradle type five-axis turntable for a five-axis machining center, provided by the present invention;
fig. 6 is a schematic view of an a-axis servo transmission mechanism of a novel single-arm cradle type five-axis turntable for a five-axis machining center.
The figure includes:
1-fixed disc, 2-A shaft servo transmission mechanism, 3-single-arm rotary table, 4-C shaft servo transmission mechanism, 5-rotary chuck base, 21-servo motor fixed plate, 22-first servo motor, 23-synchronous belt adjusting device, 24-synchronous belt, 25-first synchronous belt wheel, 26-second synchronous belt wheel, 27-hollow pipe, 28-first speed reducing mechanism, 29-output disc, 231-first fixed block, 232-first through hole, 233-second through hole, 234-first bolt, 235-second bolt, 211-first U-shaped groove, 212-second U-shaped groove, 213-first supporting bolt, 214-second supporting bolt, 31-sealing plate, 41-second servo motor, 42-second speed reducing mechanism, 32-sealing the end caps.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present embodiment, and it is obvious that the described embodiment is an embodiment of the present invention, not all embodiments. Based on this embodiment in the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work all belong to the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a novel single-arm cradle type five-axis turntable for a five-axis machining center, which comprises a fixed disk 1 for fixedly connecting with a machine tool body, the fixed disk 1 is provided with a plurality of connecting bolt holes to ensure that the fixed disk is more firmly connected with the machine tool body, the fixed disk 1 is provided with an A-axis servo transmission mechanism 2 which rotates around the machine tool body, one side of the A-axis servo transmission mechanism 2 is provided with a single-arm turntable 3 which rotates along with the A-axis servo transmission mechanism 2, a C-axis servo transmission mechanism 4 for driving the clamped workpiece to rotate is arranged on the single-arm rotary table 3, a rotary chuck base 5 rotating along with the C-axis servo transmission mechanism 4 is arranged above the C-axis servo transmission mechanism 4, the rotary chuck base 5 is provided with a chuck for clamping a workpiece, and the chuck and the workpiece are not shown in the attached drawings.
As shown in fig. 3, the a-axis servo transmission mechanism 2 includes a servo motor fixing plate 21, a first servo motor 22, a synchronous belt adjusting device 23, a synchronous belt 24, a first synchronous pulley 25, a second synchronous pulley 26, a hollow pipe 27, a first speed reducing mechanism 28 and an output disc 29; fixed disk 1 one side fixedly connected with hold-in range adjusting device 23, servo motor fixed plate 21 has been installed in the activity of fixed disk 1, hold-in range adjusting device 23 can drive servo motor fixed plate 21 along first U type groove 211 and second U type groove 212 horizontal reciprocating motion, the fixed first servo motor 22 that has installed on servo motor fixed plate 21, first servo motor 22 passes through the bolt fastening on servo motor fixed plate 21, first servo motor 22 passes through the key-type connection first synchronous pulley 25, the cover is equipped with hold-in range 24 on the first synchronous pulley 25, hold-in range 24 pot head is established on first synchronous pulley 25, another pot head is established at second synchronous pulley 26, second synchronous pulley 26 passes through bolt and first reduction gears 28 input fixed connection, the output of first reduction gears 28 passes through bolt fixed connection output dish 29, the first speed reducing mechanism 28 is internally provided with a hollow pipe 27, and the output disc 29 is fixedly connected with the single-arm rotary table 3 through bolts.
As shown in fig. 6, the synchronous belt adjusting device 23 includes a first fixing block 231, the middle of the first fixing block 231 is fixedly connected to the fixing plate 1 through a bolt, one end of the first fixing block 231 is provided with a first through hole 232, the other end of the first fixing block is provided with a second through hole 233, the first through hole 232 is movably provided with a first bolt 234, the second through hole 233 is movably provided with a second bolt 235, the first bolt 234 passes through the first through hole 232 and is installed on one side of the servo motor fixing plate 21, the second bolt 235 passes through the second through hole 233 and is installed on the other side of the servo motor fixing plate 21, one side of the servo motor fixing plate 21 is provided with at least one first U-shaped groove 211, the other side of the servo motor fixing plate 21 is provided with at least one second U-shaped groove 212, a first supporting bolt 213 is installed inside the first U-shaped groove 211, and the first supporting bolt 213 is not marked in the drawing, the first supporting bolt 213 is fixedly installed on the fixing plate 1, the second supporting bolt 214 is installed in the second U-shaped groove 212, the second supporting bolt 214 is not marked in the drawing, and the second supporting bolt 214 is fixedly installed on the fixing plate 1.
During the tensioning of hold-in range 24, hold-in range adjusting device 23's operation flow, when hold-in range 24 takes place to relax through the use of a period, need take up hold-in range 24, need operate hold-in range adjusting device 23 this moment: first, the first and second support bolts 213 and 214 are loosened such that a gap exists between the first and second support bolts 213 and 214 and the servo motor fixing plate 21; secondly, the first bolt 234 and the second bolt 235 are tightened, so that the servo motor fixing plate 21 moves horizontally, and the distance between the first synchronous pulley 25 and the second synchronous pulley 26 becomes large, at this time, the synchronous belt 24 is tightened by the first synchronous pulley 25 and the second synchronous pulley 26; finally, the synchronous belt 24 is adjusted to a proper tension degree, the first supporting bolt 213 and the second supporting bolt 214 are tightened to fixedly connect the servo motor fixing plate 21 with the fixing plate 1, and at this time, the synchronous belt 24 is completely tensioned.
When the hold-in range 24 is changed, hold-in range adjusting device 23's operation flow, hold-in range 24 has certain life-span, needs to change after using a period, needs to operate hold-in range adjusting device 23 this moment: first, the first and second support bolts 213 and 214 are loosened such that a gap exists between the first and second support bolts 213 and 214 and the servo motor fixing plate 21; secondly, the first bolt 234 and the second bolt 235 are loosened, so that the servo motor fixing plate 21 moves horizontally, and at the same time, the distance between the first synchronous pulley 25 and the second synchronous pulley 26 becomes smaller, and at this time, the synchronous belt 24 is loosened by the first synchronous pulley 25 and the second synchronous pulley 26; thirdly, taking down the synchronous belt 24 to be replaced, and sleeving a new synchronous belt 24 on the first synchronous belt wheel 25 and the second synchronous belt wheel 26; finally, the first bolt 234 and the second bolt 235 are tightened to enable the servo motor fixing plate 21 to horizontally move in the opposite direction, meanwhile, the distance between the first synchronous pulley 25 and the second synchronous pulley 26 is increased, at the moment, the new synchronous belt 24 is tightened by the first synchronous pulley 25 and the second synchronous pulley 26, the new synchronous belt 24 is adjusted to be in a proper tightness degree, at the same time, the first supporting bolt 213 and the second supporting bolt 214 are tightened to fixedly connect the servo motor fixing plate 21 with the fixing plate 1, and at the moment, the synchronous belt 24 is completely replaced.
The hollow pipe 27 is internally of a hollow structure, the cable is arranged in the hollow pipe 27, the first speed reducing mechanism 28 is a hollow speed reducing mechanism, the speed reducing ratio of the first speed reducing mechanism 28 is 80:1, the hollow pipe 27 is arranged in the first speed reducing mechanism 28, the self weight can be greatly reduced, the circuit layout of the C-axis servo transmission mechanism 4 can be reasonably solved, the internal circuit can be well protected by the hollow pipe 27, the connecting wire of the C-axis servo transmission mechanism 4 is arranged in the hollow pipe 27, and the volume of a five-axis rotary table is favorably reduced.
The inside hollow structure that is of single armed revolving stage 3, the inside cable of having installed of single armed revolving stage 3, detachable closing plate 31 has been installed to single armed revolving stage 3 lower part.
The C-axis servo transmission mechanism 4 comprises a second servo motor 41 and a second speed reducing mechanism 42, the second servo motor 41 is fixedly arranged on one side of the single-arm rotary table 3 through bolts, the second servo motor 41 is connected with the input end of the second speed reducing mechanism 42 through a key, the speed reducing ratio of the second speed reducing mechanism 42 is 80:1, the output end of the second speed reducing mechanism 42 is fixedly arranged with a rotary chuck base 5 through bolts, and the single-arm rotary table 3 is further fixedly arranged with a sealing end cover 32 for sealing the C-axis servo transmission mechanism 4 through bolts.
The rotation angle scope of the A-axis servo transmission mechanism 2 is between-110 degrees and 110 degrees, so that the A-axis servo transmission mechanism 2 can drive the single-arm rotary table 3 to rotate to 110 degrees to plus 110 degrees, the rotation angle scope of the C-axis servo transmission mechanism 4 is between 0 degrees and 360 degrees, so that the C-axis servo transmission mechanism 4 arranged on the single-arm rotary table 3 can rotate for 360 degrees, and by adopting the combination, except for the bottom surface of a workpiece fixed on the chuck, all the other five surfaces can be processed, the workpiece can be subdivided into any angle, and an inclined plane or an inclined hole is processed.
To sum up, the beneficial effects of the utility model reside in that:
the utility model discloses a first reduction gears 28 is equipped with in the servo drive mechanism 2 of A axle, first reduction gears 28 is the hollow reduction gears, hollow tube 27 has been installed to first reduction gears 28 inside, self weight greatly reduced to can rationally solve the circuit layout of C axle servo drive mechanism 4, the internal circuit of protection that hollow tube 27 can be fine is installed the connecting wire of C axle servo drive mechanism 4 inside hollow tube 27, is favorable to reducing the volume of five revolving stages; the utility model discloses a servo drive mechanism 2 of A axle can drive 3 rotations-110 of single armed revolving stage to +110, installs C axle servo drive mechanism 4 on single armed revolving stage 3 and can carry out 360 gyrations, adopts above-mentioned combination, except fixing the work piece bottom surface on the chuck, all the other five faces can all be processed, can subdivide the work piece into any angle, process out inclined plane or inclined hole, the utility model discloses install and realize five-axis linkage on machining center, can process out complicated space curved surface, the last main shaft of machining center has reduced the design degree of difficulty, and the structure of main shaft is simpler, and the rigidity is better, and manufacturing cost is lower.
Claims (7)
1. The utility model provides a five revolving stages of novel single armed cradle formula for five machining centers, a serial communication port, including be used for with lathe bed fixed connection's fixed disk (1), fixed disk (1) facial make-up is equipped with and is used for around the rotatory A axle servo drive (2) of lathe bed, the rotatory single armed revolving stage (3) of following A axle servo drive (2) have been installed to A axle servo drive (2) one side, single armed revolving stage (3) facial make-up is equipped with the rotatory C axle servo drive (4) of drive clamping work piece, rotatory chuck base (5) of following C axle servo drive (4) rotation have been installed to C axle servo drive (4) top, rotatory chuck base (5) facial make-up is equipped with the chuck that is used for the clamping work piece.
2. The novel single-arm cradle type five-axis turntable for the five-axis machining center according to claim 1, wherein the a-axis servo transmission mechanism (2) comprises a servo motor fixing plate (21), a first servo motor (22), a synchronous belt adjusting device (23), a synchronous belt (24), a first synchronous belt wheel (25), a second synchronous belt wheel (26), a hollow pipe (27), a first speed reducing mechanism (28) and an output disc (29); one side of the fixed disc (1) is fixedly connected with a synchronous belt adjusting device (23), the fixed disc (1) is movably provided with a servo motor fixing plate (21), a first servo motor (22) is fixedly arranged on the servo motor fixing plate (21), the first servo motor (22) is connected with a first synchronous belt wheel (25) through a key, a synchronous belt (24) is sleeved on the first synchronous belt wheel (25), one end of the synchronous belt (24) is sleeved on the first synchronous belt wheel (25), the other end is sleeved on the second synchronous belt wheel (26), the second synchronous pulley (26) is fixedly connected with the input end of the first speed reducing mechanism (28) through a bolt, the output end of the first speed reducing mechanism (28) is fixedly connected with an output disc (29) through a bolt, the hollow pipe (27) is arranged in the first speed reducing mechanism (28), and the output disc (29) is fixedly connected with the single-arm rotary table (3) through bolts.
3. The novel single-arm cradle type five-axis turntable for a five-axis machining center according to claim 2, wherein the synchronous belt adjusting device (23) comprises a first fixing block (231), the middle of the first fixing block (231) is fixedly connected to the fixing disc (1) through a bolt, one end of the first fixing block (231) is provided with a first through hole (232), the other end of the first fixing block is provided with a second through hole (233), the first through hole (232) is movably provided with a first bolt (234), the second through hole (233) is movably provided with a second bolt (235), the first bolt (234) passes through the first through hole (232) and is installed on one side of the servo motor fixing plate (21), the second bolt (235) passes through the second through hole (233) and is installed on the other side of the servo motor fixing plate (21), one side of the servo motor fixing plate (21) is provided with at least one first U-shaped groove (211), the servo motor fixed plate (21) opposite side is equipped with at least one second U type groove (212), first U type groove (211) inside first supporting bolt (213) have been installed, first supporting bolt (213) are fixed to be installed on fixed disk (1), second U type groove (212) inside second supporting bolt (214) have been installed, second supporting bolt (214) are fixed to be installed on fixed disk (1).
4. The novel single-arm cradle type five-axis turntable for the five-axis machining center according to claim 2, wherein the hollow tube (27) is of a hollow structure, a cable is arranged in the hollow tube (27), the first speed reducing mechanism (28) is a hollow speed reducing mechanism, the speed reducing ratio of the first speed reducing mechanism (28) is 80:1, and the rotation angle range of the A-axis servo transmission mechanism (2) is-110 degrees.
5. The novel single-arm cradle type five-axis turntable for the five-axis machining center according to claim 1, characterized in that the inside of the single-arm turntable (3) is a hollow structure, the inside of the single-arm turntable (3) is provided with a cable, and the lower part of the single-arm turntable (3) is provided with a detachable sealing plate (31).
6. The novel single-arm cradle type five-axis turntable for the five-axis machining center according to claim 1, wherein the C-axis servo transmission mechanism (4) comprises a second servo motor (41) and a second speed reducing mechanism (42), the second servo motor (41) is installed on one side of the single-arm turntable (3) through bolt fixing, the second servo motor (41) is connected with an input end of the second speed reducing mechanism (42) through a key, a rotary chuck base (5) is installed on an output end of the second speed reducing mechanism (42) through bolt fixing, and a sealing end cover (32) used for sealing the C-axis servo transmission mechanism (4) is further installed on the single-arm turntable (3) through bolt fixing.
7. The novel single-arm cradle type five-axis turntable for the five-axis machining center according to claim 6, wherein the reduction ratio of the second speed reducing mechanism (42) is 80:1, and the rotation angle range of the C-axis servo transmission mechanism (4) is 0-360 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022400929.7U CN213888188U (en) | 2020-10-26 | 2020-10-26 | Novel single-arm cradle type five-axis turntable for five-axis machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022400929.7U CN213888188U (en) | 2020-10-26 | 2020-10-26 | Novel single-arm cradle type five-axis turntable for five-axis machining center |
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| CN213888188U true CN213888188U (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022400929.7U Active CN213888188U (en) | 2020-10-26 | 2020-10-26 | Novel single-arm cradle type five-axis turntable for five-axis machining center |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787355A (en) * | 2021-09-01 | 2021-12-14 | 焦作市万方集团精密制造有限公司 | Horizontal and vertical universal numerical control five-axis device |
| CN115476172A (en) * | 2022-10-24 | 2022-12-16 | 江苏开璇智能科技有限公司 | Single-support five-axis cradle numerical control rotary table |
-
2020
- 2020-10-26 CN CN202022400929.7U patent/CN213888188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787355A (en) * | 2021-09-01 | 2021-12-14 | 焦作市万方集团精密制造有限公司 | Horizontal and vertical universal numerical control five-axis device |
| CN115476172A (en) * | 2022-10-24 | 2022-12-16 | 江苏开璇智能科技有限公司 | Single-support five-axis cradle numerical control rotary table |
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