CN213185766U - Direct-drive type reciprocating screw rod servo motor device - Google Patents
Direct-drive type reciprocating screw rod servo motor device Download PDFInfo
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- CN213185766U CN213185766U CN202021608586.7U CN202021608586U CN213185766U CN 213185766 U CN213185766 U CN 213185766U CN 202021608586 U CN202021608586 U CN 202021608586U CN 213185766 U CN213185766 U CN 213185766U
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- lead screw
- screw rod
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Abstract
The utility model discloses a direct-drive reciprocating screw rod servo motor device, direct-drive reciprocating screw rod servo motor device includes mount pad, first end frame plate, second end frame plate, servo motor, first lead screw subassembly, second lead screw subassembly, direction subassembly and synchronous subassembly, starts servo motor, through synchronous subassembly drives first lead screw subassembly with the syntropy with fast transmission of second lead screw subassembly has increased the transmission station of lead screw to at driven in-process, because first spring with the connection of second spring makes it is dull and stereotyped slide on the guide rail, and dull and stereotyped with frictional force between the guide rail is little, increases guidance quality and transmission stationarity, has improved the transmission precision.
Description
Technical Field
The utility model relates to a mechanical transmission technical field especially relates to a direct-drive reciprocating screw rod servo motor device.
Background
At present, servo motor lead screw drive mechanism is a mechanism commonly used in the mechanical transmission field, but among the lead screw transmission process, because the guidance quality among the screw-nut transmission process is poor, lead to the transmission precision not high, and a lead screw drive mechanism often only has an installation position moreover, sometimes when needing a plurality of installation positions, can only set up corresponding multiunit lead screw drive mechanism, causes very complicated in structure, makes the transmission precision further reduce.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a direct-drive reciprocating screw rod servo motor device improves the transmission precision.
In order to achieve the above object, the present invention provides a direct-drive reciprocating screw rod servo motor device, which comprises a mounting seat, a first end frame plate, a second end frame plate, a servo motor, a first screw rod assembly, a second screw rod assembly, a guide assembly and a synchronization assembly, wherein the first end frame plate and the second end frame plate are both fixedly connected with the mounting seat and respectively located at two sides of the mounting seat, the first end frame plate is provided with a fixing hole, the fixing hole penetrates through the first end frame plate, the servo motor is fixedly connected with the first end frame plate and located at one side close to the second end frame plate, the servo motor is provided with an output shaft, the output shaft is rotatably connected with the fixing hole and located in the fixing hole, the first end frame plate and the second end frame plate are both provided with two rotating holes, the rotating hole penetrates through the first end frame plate and the second end frame plate respectively, the first screw rod assembly and the second screw rod assembly are fixedly connected with the first end frame plate and the second end frame plate respectively and are positioned at one side far away from the servo motor, and the synchronizing assembly is fixedly connected with the output shaft, the first screw rod assembly and the second screw rod assembly and is positioned at one side far away from the servo motor;
the direction subassembly includes two guide rails, flat board, first spring, second spring and four stoppers, two the guide rail with mount pad fixed connection, and be located first end frame plate with between the second end frame plate, dull and stereotyped and two guide rail sliding connection, and be located keep away from mount pad one side, the flat board has two spouts, two the spout runs through the flat board, first spring with dull and stereotyped with first lead screw group fixed connection, and be located dull and stereotyped with between the first lead screw, the second spring with dull and stereotyped with second lead screw fixed connection, and be located dull and stereotyped with between the second lead screw, four the stopper respectively with two guide rail fixed connection, and be located two respectively the guide rail both sides.
The first screw rod assembly comprises a first screw rod and a first transmission block, the first screw rod is connected with the first end frame plate and the second end frame plate in a rotating mode and located far away from one side of the servo motor, the first transmission block is connected with the first screw rod in a sliding mode and fixedly connected with the first spring and located between the first end frame plate and the second end frame plate.
The second screw rod assembly comprises a second screw rod and a second transmission block, the second screw rod is connected with the first end frame plate and the second end frame plate in a rotating mode and located far away from one side of the servo motor, the second transmission block is connected with the second screw rod in a sliding mode and fixedly connected with the second spring and located between the first end frame plate and the second end frame plate.
Wherein, synchronizing assembly includes hold-in range, first synchronizing wheel, second synchronizing wheel and third synchronizing wheel, first synchronizing wheel with output shaft fixed connection to be located and keep away from servo motor one side, the second synchronizing wheel with first lead screw fixed connection, and be located and keep away from mount pad one side, the third synchronizing wheel with second lead screw fixed connection, and be located and keep away from mount pad one side, the hold-in range with first synchronizing wheel the second synchronizing wheel with the third synchronizing wheel rotates to be connected, and is located and keeps away from first end frame plate one side.
The first synchronous wheel, the second synchronous wheel and the third synchronous wheel are all provided with synchronous grooves, and the synchronous grooves face one side of the synchronous belt.
The direct-drive reciprocating screw rod servo motor device further comprises a speed changer, wherein the speed changer is fixedly connected with the output shaft and is positioned between the output shaft and the first synchronous wheel.
The direct-drive reciprocating screw rod servo motor device further comprises a shock pad, wherein the shock pad is fixedly connected with the first end frame plate and the second end frame plate and is located far away from one side of the mounting seat.
The utility model discloses a direct-drive reciprocating screw rod servo motor device, direct-drive reciprocating screw rod servo motor device includes mount pad, first end frame plate, second end frame plate, servo motor, first lead screw subassembly, second lead screw subassembly, direction subassembly and synchronous subassembly, starts servo motor, through synchronous subassembly drives first lead screw subassembly with the syntropy with fast transmission of second lead screw subassembly has increased the transmission station of lead screw to at driven in-process, because first spring with the connection of second spring makes it is dull and stereotyped slide on the guide rail, and dull and stereotyped with frictional force between the guide rail is little, increases guidance quality and transmission stationarity, has improved the transmission precision.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is the utility model provides a pair of direct-drive reciprocating screw rod servo motor device's structural schematic diagram.
Fig. 2 is a top view of fig. 1 provided by the present invention.
1-mounting seat, 2-first end frame plate, 3-second end frame plate, 4-servo motor, 5-first screw rod assembly, 6-second screw rod assembly, 7-guide assembly, 8-synchronous assembly, 9-fixing hole, 10-rotating hole, 11-guide rail, 12-flat plate, 13-first spring, 14-second spring, 15-limiting block, 16-sliding groove, 17-first screw rod, 18-first transmission block, 19-second screw rod, 20-second transmission block, 21-synchronous belt, 22-first synchronous wheel, 23-second synchronous wheel, 24-third synchronous wheel, 25-synchronous groove, 26-speed changer and 27-shock pad.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, the present invention provides a direct-drive reciprocating screw rod servo motor device, which includes a mounting seat 1, a first end frame plate 2, a second end frame plate 3, a servo motor 4, a first screw rod assembly 5, a second screw rod assembly 6, a guide assembly 7 and a synchronization assembly 8, wherein the first end frame plate 2 and the second end frame plate 3 are both fixedly connected to the mounting seat 1 and respectively located at two sides of the mounting seat 1, the first end frame plate 2 has a fixing hole 9, the fixing hole 9 penetrates through the first end frame plate 2, the servo motor 4 is fixedly connected to the first end frame plate 2 and located at a side close to the second end frame plate 3, the servo motor 4 has an output shaft rotatably connected to the fixing hole 9 and located in the fixing hole 9, the first end frame plate 2 and the second end frame plate 3 both have two rotation holes 10, the rotating hole 10 penetrates through the first end frame plate 2 and the second end frame plate 3 respectively, the first lead screw assembly 5 and the second lead screw assembly 6 are fixedly connected with the first end frame plate 2 and the second end frame plate 3 respectively and are positioned at one side far away from the servo motor 4, and the synchronizing assembly 8 is fixedly connected with the output shaft, the first lead screw 17 and the second lead screw assembly 6 and is positioned at one side far away from the servo motor 4;
the guide assembly 7 comprises two guide rails 11, a flat plate 12, a first spring 13, a second spring 14 and four limit blocks 15, the two guide rails 11 are fixedly connected with the mounting base 1, and is located between said first end frame plate 2 and said second end frame plate 3, said flat plate 12 is slidably connected to two of said guide rails 11, and is located at one side far away from the mounting seat 1, the flat plate 12 is provided with two sliding grooves 16, the two sliding grooves 16 penetrate through the flat plate 12, the first spring 13 is fixedly connected with the flat plate 12 and the first screw rod 17, and is positioned between the flat plate 12 and the first screw rod 17, the second spring 14 is fixedly connected with the flat plate 12 and the second screw rod 19, and is located between the flat plate 12 and the second screw rod 19, and the four limiting blocks 15 are respectively and fixedly connected with the two guide rails 11 and are respectively located on two sides of the two guide rails 11.
In this embodiment, the servo motor 4 is fixed under the mounting base 1, so that the working space can be reduced, and the error collision to the servo motor 4 can be reduced, which results in the failure of the servo motor 4, the output shaft of the servo motor 4 outputs power through the fixing hole 9, the synchronizing component 8 drives the first lead screw component 5 and the second lead screw component 6 to rotate at the same speed in the same direction, and further drives the guiding component 7 to slide on the mounting base 1, the movement of the first spring 13 and the second spring 14 drives the flat plate 12 to slide on the two guide rails 11, as shown in fig. 2, and at the same time, the 4 limiting blocks 15 are used to limit the sliding distance of the flat plate 12, so as to prevent the flat plate 12 from sliding out of the mounting base 1, which results in the failure of the device, and the two guide rails 11 are used, the inclined sliding of the flat plate 12 on the guide rail 11 can be avoided, the guiding performance is increased, meanwhile, the guide rail 11 slides in the sliding groove 16 of the flat plate 12, the sliding orientation is limited, the friction force is small, some damping devices can be added to reduce the shaking of the servo motor 4 and the first lead screw assembly 5 or the second lead screw assembly 6 in the moving process, the shaking of the first lead screw assembly 5 and the second lead screw assembly 6 in the moving process can be reduced by virtue of the elastic force of the first spring 13 and the second spring 14, the transmission stability is increased, a plurality of groups of the first lead screw assembly 5 or the second lead screw assembly 6 can be added on the mounting seat 1 to increase the transmission work stations of the lead screws, and a group of the guiding assembly 7 is added between the two lead screws to increase the guiding performance while increasing the output work stations, and the transmission precision is improved.
Further, first lead screw subassembly 5 includes first lead screw 17 and first transmission block 18, first lead screw 17 with first end frame plate 2 with second end frame plate 3 rotates to be connected, and is located and keeps away from servo motor 4 one side, first transmission block 18 with first lead screw 17 sliding connection, and with first spring 13 fixed connection, and be located first end frame plate 2 with between the second end frame plate 3.
In this embodiment, the first screw rod 17 is a threaded rod, the first screw rod 17 is placed between the first end frame plate 2 and the second end frame plate 3, and after the first screw rod 17 starts to rotate, the first transmission block 18 slides on the first screw rod 17, so as to drive the first spring 13 to move.
Further, the second screw rod assembly 6 comprises a second screw rod 19 and a second transmission block 20, the second screw rod 19 is rotatably connected with the first end frame plate 2 and the second end frame plate 3 and is located at one side far away from the servo motor 4, and the second transmission block 20 is slidably connected with the second screw rod 19 and is fixedly connected with the second spring 14 and is located between the first end frame plate 2 and the second end frame plate 3.
In this embodiment, the second screw rod 19 is a threaded rod, the second screw rod 19 is placed between the first end frame plate 2 and the second end frame plate 3, and after the second screw rod 19 starts to rotate, the second transmission block 20 slides on the first screw rod 17, so as to drive the second spring 14 to move.
Further, synchronizing assembly 8 includes hold-in range 21, first synchronizing wheel 22, second synchronizing wheel 23 and third synchronizing wheel 24, first synchronizing wheel 22 with output shaft fixed connection, and be located and keep away from servo motor 4 one side, second synchronizing wheel 23 with first lead screw 17 fixed connection, and be located and keep away from mount pad 1 one side, third synchronizing wheel 24 with second lead screw 19 fixed connection, and be located and keep away from mount pad 1 one side, hold-in range 21 with first synchronizing wheel 22 second synchronizing wheel 23 with third synchronizing wheel 24 rotates and connects, and is located and keeps away from first end frame plate 2 one side.
In the present embodiment, after the synchronous belt 21 is tensioned with the first synchronous pulley 22, the second synchronous pulley 23 and the third synchronous pulley 24, the power of the servo motor 4 output by the output shaft is transmitted through the first synchronous pulley 22, and the synchronous belt 21 drives the second synchronous pulley 23 and the third synchronous pulley 24 to rotate at the same speed in the same direction, thereby further improving the transmission precision.
Further, each of the first synchronizing wheel 22, the second synchronizing wheel 23 and the third synchronizing wheel 24 has a synchronizing groove 25, and the synchronizing groove 25 faces the side of the synchronizing belt 21.
In this embodiment, the synchronous groove 25 is used to place the synchronous belt 21, so that the synchronous belt 21 is prevented from slipping off during transmission, and normal transmission operation is ensured.
Further, the direct-drive reciprocating screw rod servo motor device further comprises a speed changer 26, and the speed changer 26 is fixedly connected with the output shaft and is positioned between the output shaft and the first synchronous wheel 22.
In the embodiment, the transmission 26 is additionally arranged to change the rotation of the second synchronous wheel 23 and the third synchronous wheel 24 according to the actual transmission requirement, further change the rotation of the first screw rod 17 and the second screw rod 19, and perform real-time control on the transmission speed.
Further, the direct-drive reciprocating screw rod servo motor device further comprises a shock pad 27, and the shock pad 27 is fixedly connected with the first end frame plate 2 and the second end frame plate 3 and is located far away from one side of the mounting seat 1.
In this embodiment, the shock pad 27 is used to reduce or reduce the overall vibration of the mount 1, and the shock pad 27 may be placed at the joint between the servo motor 4 and the first end frame plate 2 to reduce the vibration of the servo motor 4 to the device, thereby increasing the transmission stability.
The utility model discloses a direct drive formula reciprocating screw rod servo motor device, direct drive formula reciprocating screw rod servo motor device includes mount pad 1, first end frame plate 2, second end frame plate 3, servo motor 4, first lead screw subassembly 5, second lead screw subassembly 6, direction subassembly 7 and synchronous subassembly 8, starts servo motor 4, through synchronous subassembly 8 drives first lead screw subassembly 5 with the syntropy with fast transmission of second lead screw subassembly 6 has increased the transmission station of lead screw to at driven in-process, because first spring 13 with the connection of second spring 14 makes dull and stereotyped 12 is in slide on the guide rail 11, and dull and stereotyped 12 with frictional force between the guide rail 11 is little, increases guidance quality and transmission stationarity, has improved the transmission precision.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. A direct-drive reciprocating screw rod servo motor device is characterized in that,
direct-drive reciprocating screw rod servo motor device comprises a mounting seat, a first end frame plate, a second end frame plate, a servo motor, a first screw rod assembly, a second screw rod assembly, a guide assembly and a synchronous assembly, wherein the first end frame plate and the second end frame plate are all fixedly connected with the mounting seat and respectively located on two sides of the mounting seat, the first end frame plate is provided with a fixing hole, the fixing hole penetrates through the first end frame plate, the servo motor is fixedly connected with the first end frame plate and located close to one side of the second end frame plate, the servo motor is provided with an output shaft, the output shaft is rotatably connected with the fixing hole and located in the fixing hole, the first end frame plate and the second end frame plate are respectively provided with two rotating holes, the rotating holes are respectively penetrated through the first end frame plate and the second end frame plate, the first screw rod assembly and the second screw rod assembly are respectively and fixedly connected with the first end frame plate and the second end frame plate The synchronous component is fixedly connected with the output shaft, the first screw rod and the second screw rod component and is positioned on one side far away from the servo motor;
the direction subassembly includes two guide rails, flat board, first spring, second spring and four stoppers, two the guide rail with mount pad fixed connection, and be located first end frame plate with between the second end frame plate, dull and stereotyped and two guide rail sliding connection, and be located keep away from mount pad one side, the flat board has two spouts, two the spout runs through the flat board, first spring with dull and stereotyped with first lead screw group fixed connection, and be located dull and stereotyped with between the first lead screw, the second spring with dull and stereotyped with second lead screw fixed connection, and be located dull and stereotyped with between the second lead screw, four the stopper respectively with two guide rail fixed connection, and be located two respectively the guide rail both sides.
2. The direct drive reciprocating screw servo motor apparatus as claimed in claim 1,
first lead screw subassembly includes first lead screw and first transmission piece, first lead screw with first end frame plate with second end frame plate rotates to be connected to be located and keep away from servo motor one side, first transmission piece with first lead screw sliding connection, and with first spring fixed connection, and be located first end frame plate with between the second end frame plate.
3. The direct drive reciprocating screw servo motor apparatus as claimed in claim 1,
the second lead screw assembly comprises a second lead screw and a second transmission block, the second lead screw is connected with the first end frame plate and the second end frame plate in a rotating mode and located far away from one side of the servo motor, the second transmission block is connected with the second lead screw in a sliding mode and fixedly connected with a second spring and located between the first end frame plate and the second end frame plate.
4. The direct drive reciprocating screw servo motor apparatus as claimed in claim 1,
the synchronizing assembly comprises a synchronous belt, a first synchronous wheel, a second synchronous wheel and a third synchronous wheel, the first synchronous wheel is fixedly connected with the output shaft and is located far away from one side of the servo motor, the second synchronous wheel is fixedly connected with the first lead screw and is located far away from one side of the mounting seat, the third synchronous wheel is fixedly connected with the second lead screw and is located far away from one side of the mounting seat, the synchronous belt is rotatably connected with the first synchronous wheel, the second synchronous wheel is rotatably connected with the third synchronous wheel and is located far away from one side of the first end frame plate.
5. The direct drive reciprocating screw servo motor apparatus as claimed in claim 4,
the first synchronizing wheel, the second synchronizing wheel and the third synchronizing wheel are all provided with synchronizing grooves, and the synchronizing grooves face one side of the synchronizing belt.
6. The direct drive reciprocating screw servo motor apparatus as claimed in claim 4,
the direct-drive reciprocating screw rod servo motor device further comprises a speed changer, wherein the speed changer is fixedly connected with the output shaft and is positioned between the output shaft and the first synchronous wheel.
7. The direct drive reciprocating screw servo motor apparatus as claimed in claim 6,
the direct-drive reciprocating screw rod servo motor device further comprises a shock pad, wherein the shock pad is fixedly connected with the first end frame plate and the second end frame plate and is located far away from one side of the mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021608586.7U CN213185766U (en) | 2020-08-05 | 2020-08-05 | Direct-drive type reciprocating screw rod servo motor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021608586.7U CN213185766U (en) | 2020-08-05 | 2020-08-05 | Direct-drive type reciprocating screw rod servo motor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213185766U true CN213185766U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021608586.7U Active CN213185766U (en) | 2020-08-05 | 2020-08-05 | Direct-drive type reciprocating screw rod servo motor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213185766U (en) |
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2020
- 2020-08-05 CN CN202021608586.7U patent/CN213185766U/en active Active
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