CN220971976U - Direct-drive rotary workbench - Google Patents
Direct-drive rotary workbench Download PDFInfo
- Publication number
- CN220971976U CN220971976U CN202322645970.4U CN202322645970U CN220971976U CN 220971976 U CN220971976 U CN 220971976U CN 202322645970 U CN202322645970 U CN 202322645970U CN 220971976 U CN220971976 U CN 220971976U
- Authority
- CN
- China
- Prior art keywords
- motor
- encoder
- drive rotary
- end cover
- direct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 20
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Machine Tool Units (AREA)
Abstract
The utility model provides a direct-drive rotary workbench, which comprises: the device comprises a workbench, an upper end cover, a shell, a turntable bearing, an encoder, a motor, a wiring cylinder and a bottom cover. The shell is penetrated up and down, the bottom cover covers the opening at the bottom of the shell, a first hole is formed in the center of the bottom cover, and the wiring cylinder is arranged in the first hole. The encoder is sleeved on the outer side of the wiring cylinder. The motor is sleeved on the outer side of the encoder and is positioned on the inner side of the shell. The turntable bearing is arranged at the top of the motor. The upper end cover is arranged at the top of the motor, and the inner ring of the upper end cover is connected with the outer ring of the turntable bearing. The bottom of the workbench is respectively connected with the top of the upper end cover, the motor, the encoder, the wiring cylinder and the turntable bearing. The direct-drive rotary worktable provided by the utility model can be used for the swinging shaft of the knife grinder so as to realize the swinging of a cutter or a workpiece.
Description
Technical Field
The utility model relates to the field of mechanical equipment, in particular to a direct-drive rotary workbench.
Background
The direct-drive rotary workbench is a precise rotating device, and realizes high-precision rotating motion by directly connecting a motor with the workbench. Compared with the traditional transmission device (such as a gear or belt transmission), the direct-drive rotary workbench adopts the direct-drive technology, and has a plurality of remarkable advantages, which make the rotary workbench attractive in various application scenes.
First, the direct connection motor and table of the direct drive rotary table eliminates mechanical clearances and errors in conventional transmissions, thereby providing greater accuracy. This is important for applications requiring extremely high positioning accuracy and rotational accuracy. Second, the direct drive technique provides higher efficiency by transmitting power through magnetic or electromagnetic forces. Compared with the transmission device, the energy loss is reduced, so that the energy is saved, and the running cost is reduced. In addition, direct drive rotary tables generally have higher reliability. Because there are no wearing parts of the transmission, such as gears or belts, less maintenance is required. This means longer maintenance intervals and more reliable operation, reducing downtime and maintenance costs.
However, some direct drive rotary tables may be large and heavy in size. This can cause problems in applications where space constraints or load requirements are imposed. Therefore, how to design a more compact and lighter direct drive rotary table has become a challenge for the technician. This design requires both rigidity and compactness to accommodate a variety of applications, including space-constrained work environments and conditions that limit the load on the table.
Disclosure of utility model
The utility model aims to provide a direct-drive rotary workbench with better rigidity and more compact structure, which can be used for a swinging shaft of a knife grinder so as to realize swinging of a cutter or a workpiece.
In order to achieve the above object, the present utility model provides a direct-drive rotary table, comprising:
The shell is penetrated up and down;
The bottom cover covers the opening at the bottom of the shell, and a first hole is formed in the center of the bottom cover;
the wire barrel is arranged in the first hole;
the encoder is sleeved on the outer side of the wiring cylinder;
The motor is sleeved on the outer side of the encoder and is positioned on the inner side of the shell;
the turntable bearing is arranged at the top of the motor;
the upper end cover is arranged at the top of the motor, and the inner ring of the upper end cover is connected with the outer ring of the turntable bearing;
The bottom of the workbench is respectively connected with the top of the upper end cover, the motor, the encoder, the wiring cylinder and the turntable bearing, and the workbench is coaxially arranged with the shell, the upper end cover, the motor, the encoder, the wiring cylinder, the turntable bearing and the bottom cover.
In one embodiment, the table comprises: annular mesa with set up in annular mesa below and the cylindrical pedestal that link up from top to bottom, open at annular mesa center has the second hole, the diameter of second hole is less than the diameter of cylindrical pedestal, the outer lane of cylindrical pedestal respectively with the inner circle of revolving stage bearing with the motor is connected, the bottom of cylindrical pedestal set up in the top of encoder, the part that is located the cylindrical pedestal outside in annular mesa with the top of upper end cover and revolving stage bearing is connected, the part that annular mesa is located the cylindrical pedestal inboard is connected with the top of a wiring section of thick bamboo.
In one embodiment, the motor comprises a motor rotor and a motor stator, the motor rotor is sleeved on the outer side of the encoder and is connected with the outer ring of the cylindrical pedestal, the top of the motor rotor is connected with the bottom of the turntable bearing, the motor stator is sleeved on the outer side of the motor rotor, the top of the motor stator is connected with the bottom of the upper end cover, and the motor stator is located on the inner side of the shell.
In one embodiment, a preset gap is provided between the outer side of the motor rotor and the inner side of the motor stator.
In one embodiment, a sealing cover is arranged on the bottom cover, the sealing cover is positioned on the outer side of the wiring cylinder, and a rotary seal is arranged in the sealing cover.
In one embodiment, the encoder comprises:
the encoder ring connecting shaft is sleeved on the outer side of the wiring cylinder, and the top of the encoder ring connecting shaft is connected with the bottom of the cylindrical pedestal;
An encoder ring fixed to the encoder ring coupling shaft;
the reading head is arranged at a position which is in a preset distance with the encoder ring.
In one embodiment, the direct-drive rotary table further comprises a flange plate and a connecting piece, wherein the flange plate is fixed on the shell, the connecting piece is fixed on the flange plate, the connecting piece is located above the sealing cover, and the reading head is fixed on the connecting piece.
In one embodiment, a groove is formed in the bottom of the annular table top, the groove is positioned at the top of the upper end cover, and a sealing ring is arranged in the groove.
The direct-drive rotary workbench has the following beneficial effects:
1. The motor rotor is directly connected with the turntable bearing, so that the whole structure of the workbench is simpler and more compact. The motor rotor is directly connected with the turntable bearing to provide better rigidity, and the direct connection can provide higher rotation precision because of no error and gap of the transmission device, so that the workbench can accurately reach the required position and angle.
2. The large through hole of the axle center of the direct-drive rotary workbench is convenient to wire, high efficiency of cable management, cable integrity and reliability of equipment are ensured, and therefore the working efficiency and performance are improved. The large through hole design ensures that the cable can move freely without being constrained or stretched. The large through hole design helps to maintain the integrity of the cables, prevent them from being damaged or broken, and reduce maintenance costs. The design of the large through hole can enable the cable to be installed and maintained more conveniently, so that the working efficiency is improved. The operator can more easily install, replace or maintain the cable without having to disassemble the workbench or complicated cabling procedures.
3. Through integrating direct-drive rotary worktable and knife grinder, can realize more nimble, accurate and efficient knife grinding operation, be applicable to various needs plane grinding and multi-angle processing's application, help improving the quality of cutter and work piece, improve production efficiency simultaneously.
Drawings
Fig. 1 is a schematic cross-sectional view of a direct-drive rotary table according to an embodiment of the utility model.
Reference numerals
The device comprises a 1-workbench, a 2-upper end cover, a 3-shell, a 4-turntable bearing, a 5-sealing ring, a 6-wiring cylinder, a 7-encoder ring connecting shaft, an 8-motor rotor, a 9-motor stator, a 10-flange plate, an 11-bottom cover, a 12-connecting piece, a 13-reading head, a 14-encoder ring, a 15-sealing cover and a 16-rotary seal.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, the present utility model provides a direct-drive rotary table, including: the device comprises a workbench 1, an upper end cover 2, a shell 3, a turntable bearing 4, an encoder, a motor, a wiring cylinder 6 and a bottom cover 11. The shell 3 is penetrated up and down, and the bottom cover 11 covers the opening at the bottom of the shell 3. The center of the bottom cover 11 is provided with a first hole, and the wiring cylinder 6 is arranged in the first hole. The cabling drum 6 is used for managing and guiding the cables, while at the same time the electrical connection can be better maintained when the table is rotated. The encoder is sleeved on the outer side of the wiring cylinder 6 and is used for monitoring the rotation angle, position or speed of the workbench and providing feedback information so as to ensure accurate positioning and control. The motor is sleeved outside the encoder and is positioned inside the shell 3. The turntable bearing 4 is arranged on top of the motor, and the direct-drive rotary table realizes rotary motion through the turntable bearing 4. The upper end cover 2 is arranged at the top of the motor, and the inner ring of the upper end cover 2 is connected with the outer ring of the turntable bearing 4. The bottom of the workbench 1 is respectively connected with the top of the upper end cover 2, the motor, the encoder, the wiring cylinder 6 and the turntable bearing 4. Direct drive rotary tables are typically required to be connected to various devices to enable control and monitoring of rotational movement. These connections require cables or harnesses to transmit signals, power and data, and improper cabling may result in cable entanglement, breakage, wear or damage. Thus, cable management is critical. In this embodiment, the workbench 1 is coaxially mounted with the housing 3, the upper end cover 2, the motor, the encoder, the wiring cylinder 6, the turntable bearing 4 and the bottom cover 11, and the shaft center is a large through hole, allowing the cable or the wire harness to pass through, so that the cable can be ensured to freely move without being limited or stretched no matter where the workbench rotates. This helps to maintain the integrity of the cables, preventing them from being damaged or broken.
Further, the table 1 includes: the annular table top and set up in annular table top below and the cylindrical pedestal that link up from top to bottom. The center of the annular table-board is provided with a second hole, and the diameter of the second hole is smaller than that of the cylindrical pedestal. The outer race of cylindrical pedestal is connected with the inner race and the motor rotor 8 of revolving stage bearing 4 respectively, and the bottom of cylindrical pedestal sets up in the top of encoder. The part of the annular table top located outside the cylindrical pedestal is connected with the top of the upper end cover 2 and the turntable bearing 4, and the part of the annular table top located inside the cylindrical pedestal is connected with the top of the wiring cylinder 6.
Still further, the motor comprises a motor rotor 8 and a motor stator 9. The motor rotor 8 is sleeved on the outer side of the encoder and connected with the outer ring of the cylindrical pedestal, and the top of the motor rotor 8 is connected with the bottom of the turntable bearing 4. The motor stator 9 is sleeved on the outer side of the motor rotor 8, the top of the motor stator 9 is connected with the bottom of the upper end cover 2, and the motor stator 9 is located on the inner side of the shell 3. In the present embodiment, a preset gap is provided between the outside of the motor rotor 8 and the inside of the motor stator 9.
Still further, a sealing cover 15 is arranged on the bottom cover 11, the sealing cover 15 is positioned at the outer side of the wiring cylinder 6, and a rotary seal 16 is arranged in the sealing cover 15. The main purpose of the sealing cover 15 and the rotary seal 16 is to protect the internal components of the direct drive rotary table of the present utility model from the external environment, especially in situations where it is desirable to prevent liquid penetration and to keep it dry and clean. The rotary seal 16 plays a key role in the rotary motion, ensuring the normal operation and reliability of the direct drive rotary table.
Still further, the encoder includes: the encoder ring couples the shaft 7, the encoder ring 14 and the reading head 13. The encoder ring connecting shaft 7 is sleeved on the outer side of the wiring cylinder 6, and the top of the encoder ring connecting shaft 7 is connected with the bottom of the cylindrical pedestal. The encoder ring 14 is fixed to the encoder ring coupling shaft 7 and rotates with the rotation of the encoder ring coupling shaft 7. It is necessary to ensure a firm and accurate connection between the encoder ring 14 and the encoder ring coupling shaft 7 so that the encoder ring 14 can reliably transmit the rotational movement information of the encoder ring coupling shaft 7 for measurement and control by the reading head 13. The reading head 13 is arranged at a predetermined distance from the encoder ring 14. The read head 13 is located in the vicinity of the encoder ring 14 so as to be able to read the code or mark on the encoder ring 14 and convert it into an electronic signal. The positional relationship of the read head 13 and the encoder ring 14 is very important and determines the accuracy and performance of the encoder measurement.
The direct-drive rotary table according to an embodiment of the present utility model further includes a flange 10 and a connecting member 12, wherein the flange 10 is fixed on the housing 3, the connecting member 12 is fixed on the flange 10, the connecting member 12 is located above the sealing cover 15, and the reading head 13 is fixed on the connecting member 12.
Further, a groove is formed in the bottom of the annular table top, the groove is positioned at the top of the upper end cover 2, and a sealing ring 5 is arranged in the groove. The sealing ring 5 between the table 1 and the upper end cap 2 is generally a means for preventing leakage or infiltration of liquid, gas or impurities from the contact surface or gap between the table 1 and the upper end cap 2. The design and material of the sealing ring 5 may vary from application to application and from environmental to environmental, but its main purpose is to ensure that an effective seal is established between the table 1 and the upper end cap 2 to prevent unwanted material from entering or escaping from the table interior.
The direct-drive rotary worktable provided by the utility model can be used for the swinging shaft of the knife grinder so as to realize the swinging of a cutter or a workpiece. The direct drive rotary table may be connected to a knife grinder, allowing the working head or grinding device of the knife grinder to oscillate in a horizontal direction. This is very useful for plane grinding operations, so that the tool or workpiece can be ground uniformly in a horizontal plane, thereby improving surface quality and machining accuracy. The tool or the workpiece can be processed at different angles by utilizing the swinging function of the direct-drive workbench. The direct-drive rotary table is generally integrated with a high-precision control system, so that precise control over the swinging motion can be realized. This allows the sharpener to perform precise oscillating movements at the desired location and speed. The knife grinder can be integrated with a digital control system and can guide the workbench to swing through programming. This allows for an automated sharpening process that improves production efficiency and consistency.
The direct-drive rotary workbench has the following beneficial effects:
1. The motor rotor is directly connected with the turntable bearing, so that the whole structure of the workbench is simpler and more compact. The motor rotor is directly connected with the turntable bearing to provide better rigidity, and the direct connection can provide higher rotation precision because of no error and gap of the transmission device, so that the workbench can accurately reach the required position and angle.
2. The large through hole of the axle center of the direct-drive rotary workbench is convenient to wire, high efficiency of cable management, cable integrity and reliability of equipment are ensured, and therefore the working efficiency and performance are improved. The large through hole design ensures that the cable can move freely without being constrained or stretched. The large through hole design helps to maintain the integrity of the cables, prevent them from being damaged or broken, and reduce maintenance costs. The design of the large through hole can enable the cable to be installed and maintained more conveniently, so that the working efficiency is improved. The operator can more easily install, replace or maintain the cable without having to disassemble the workbench or complicated cabling procedures.
3. Through integrating direct-drive rotary worktable and knife grinder, can realize more nimble, accurate and efficient knife grinding operation, be applicable to various needs plane grinding and multi-angle processing's application, help improving the quality of cutter and work piece, improve production efficiency simultaneously.
It should be understood that the terms "mounted," "connected," and the like as used in the description of the application should be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection, unless explicitly specified and limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can also be communicated with the inside of two elements, and the specific meaning of the two elements can be understood by a person skilled in the art according to specific situations. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It should also be noted that the directions or positional relationships indicated by the terms "center, upper, lower, inner, outer" and the like are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the utility model.
The above embodiments are merely further illustrative of the present utility model and are not intended to limit the present utility model in any way, and various other embodiments are possible. Various modifications and variations may be made by those skilled in the art in light of the present disclosure without departing from the spirit and scope of the present disclosure, and such modifications and variations are intended to fall within the scope of the present disclosure.
Claims (8)
1. A direct drive rotary table, comprising:
The shell is penetrated up and down;
The bottom cover covers the opening at the bottom of the shell, and a first hole is formed in the center of the bottom cover;
the wire barrel is arranged in the first hole;
the encoder is sleeved on the outer side of the wiring cylinder;
The motor is sleeved on the outer side of the encoder and is positioned on the inner side of the shell;
the turntable bearing is arranged at the top of the motor;
the upper end cover is arranged at the top of the motor, and the inner ring of the upper end cover is connected with the outer ring of the turntable bearing;
The bottom of the workbench is respectively connected with the top of the upper end cover, the motor, the encoder, the wiring cylinder and the turntable bearing, and the workbench is coaxially arranged with the shell, the upper end cover, the motor, the encoder, the wiring cylinder, the turntable bearing and the bottom cover.
2. The direct drive rotary table according to claim 1, wherein the table comprises: annular mesa with set up in annular mesa below and the cylindrical pedestal that link up from top to bottom, open at annular mesa center has the second hole, the diameter of second hole is less than the diameter of cylindrical pedestal, the outer lane of cylindrical pedestal respectively with the inner circle of revolving stage bearing with the motor is connected, the bottom of cylindrical pedestal set up in the top of encoder, the part that is located the cylindrical pedestal outside in annular mesa with the top of upper end cover and revolving stage bearing is connected, the part that annular mesa is located the cylindrical pedestal inboard is connected with the top of a wiring section of thick bamboo.
3. The direct-drive rotary table according to claim 2, wherein the motor comprises a motor rotor and a motor stator, the motor rotor is sleeved outside the encoder and connected with an outer ring of the cylindrical pedestal, a top of the motor rotor is connected with a bottom of the turntable bearing, the motor stator is sleeved outside the motor rotor, a top of the motor stator is connected with a bottom of the upper end cover, and the motor stator is located inside the housing.
4. A direct drive rotary table according to claim 3, wherein a preset gap is provided between the outer side of the motor rotor and the inner side of the motor stator.
5. The direct-drive rotary table according to claim 2, wherein a sealing cover is arranged on the bottom cover, the sealing cover is positioned on the outer side of the wiring cylinder, and a rotary seal is arranged in the sealing cover.
6. The direct drive rotary table according to claim 5, wherein the encoder comprises:
the encoder ring connecting shaft is sleeved on the outer side of the wiring cylinder, and the top of the encoder ring connecting shaft is connected with the bottom of the cylindrical pedestal;
An encoder ring fixed to the encoder ring coupling shaft;
the reading head is arranged at a position which is in a preset distance with the encoder ring.
7. The direct drive rotary table according to claim 6, further comprising a flange plate and a connecting member, wherein the flange plate is fixed to the housing, the connecting member is fixed to the flange plate, the connecting member is located above the sealing cover, and the reading head is fixed to the connecting member.
8. The direct drive rotary table according to claim 2, wherein a groove is formed in the bottom of the annular table top, the groove is located at the top of the upper end cover, and a sealing ring is arranged in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322645970.4U CN220971976U (en) | 2023-09-27 | 2023-09-27 | Direct-drive rotary workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322645970.4U CN220971976U (en) | 2023-09-27 | 2023-09-27 | Direct-drive rotary workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220971976U true CN220971976U (en) | 2024-05-17 |
Family
ID=91057753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322645970.4U Active CN220971976U (en) | 2023-09-27 | 2023-09-27 | Direct-drive rotary workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220971976U (en) |
-
2023
- 2023-09-27 CN CN202322645970.4U patent/CN220971976U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220372298U (en) | Full-automatic universal milling head and lathe | |
| CN105798457A (en) | Two-axis three-dimensional laser head for processing of complex curved surfaces | |
| CN220971976U (en) | Direct-drive rotary workbench | |
| CN107457414B (en) | High-frequency high-speed spindle device integrated with Z axis | |
| CN211991810U (en) | Five-axis machining platform of line is walked to single armed cavity | |
| CN113530975A (en) | Split type flat shaft air supporting revolving stage | |
| CN112658783A (en) | Direct-drive precise rotary table device | |
| CN210403676U (en) | Multi-shaft rotary table | |
| CN214101135U (en) | Heavy-load double-end bearing photoelectric rotary encoder | |
| CN112247735B (en) | Planet grinding tool based on parallel flat rotating structure | |
| CN219293665U (en) | Optimized tube bundle wiring spindle head box of coordinate grinding machine | |
| CN110170837B (en) | Various steel composite sheet goes up and down cutting device | |
| CN220921984U (en) | Direct-drive rotary workbench | |
| CN217966047U (en) | Device for improving precision of numerical control machine tool | |
| CN102407462A (en) | Speed feedback mechanism for vertical lathe worktable | |
| CN215471253U (en) | Mechanical arm | |
| CN110744337A (en) | B-axis milling head structure and processing machine tool | |
| CN218276341U (en) | Mechanism for realizing linear displacement in high-speed rotation process | |
| CN214293527U (en) | Woodworking cutting machine inclined hole machining device | |
| CN216599286U (en) | Motor with copying rotary table | |
| CN215410700U (en) | Compact rotary hydraulic joint | |
| CN213745798U (en) | Rotatory control revolving stage of motor stator | |
| CN217395365U (en) | Tool bit rotary mechanism of engraver | |
| CN215141691U (en) | Multi-angle rotating platform mechanism is glued to point | |
| CN219053720U (en) | Power head device for numerical control machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |