CN109210168B - Planetary wheel-rotating transmission device with automatic locking function - Google Patents
Planetary wheel-rotating transmission device with automatic locking function Download PDFInfo
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- CN109210168B CN109210168B CN201711029735.7A CN201711029735A CN109210168B CN 109210168 B CN109210168 B CN 109210168B CN 201711029735 A CN201711029735 A CN 201711029735A CN 109210168 B CN109210168 B CN 109210168B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/065—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with a plurality of driving or driven shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
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Abstract
The invention relates to a planetary wheel-rotating transmission device with an automatic locking function, which is divided according to functional modules and comprises a revolution transmission unit, a planetary transmission unit and a plurality of autorotation locking units, wherein the revolution transmission unit is used for completing the wheel-rotating movement of materials, the autorotation locking units are used for completing the automatic locking and loosening of the materials, and the planetary transmission unit is used for completing the autorotation movement in the material transmission process. The device can carry out quick automatic dress card and conveying to the material in the small-size automation line, and steerable material is self rotary motion in data send process, and the material is automatic stop rotation motion and is relieved the dress card after targetting in place.
Description
Technical Field
The invention relates to a planetary wheel-rotating transmission device with an automatic locking function, and belongs to the technical field of automatic production lines.
Background
The automatic production line technology is widely applied to the fields of food, medicine, manufacturing industry and the like, people are liberated from heavy physical labor, partial mental labor and severe and dangerous working environments, and the labor productivity is greatly improved. The material transfer technology is a branch technology of an automatic production line, and can automatically carry out material transfer and motion control according to a specified flow or instruction without human intervention. At present, the traditional material conveying mode is mainly a flow line device, which is a carrying machine for continuously conveying goods on a certain line, also called a conveying line or a conveyor, and generally comprises a traction piece, a bearing member, a driving device, a tensioning device, a direction changing device, a supporting piece and the like. The traditional assembly line equipment is quite suitable for the transportation of common bulk materials, such as the fields of liquid filling, food packaging, common manufacturing parts and the like, and has simple structure and convenient maintenance, thereby being widely applied. The automatic material conveying device has the advantages of mature technology, simple structure, reliable operation and convenient maintenance, but in certain specific application fields, the traditional assembly line equipment has the unique defect that although the whole material conveying can be completed, the accurate control means for the self motion and the posture of the material is lacked.
Especially in some application occasions, such as medicine, food and some special processing fields, the material need to keep specific self rotary motion in the process of rotary transmission simultaneously, and relieve the rotation motion when reaching the corresponding station, so as to be convenient for a manipulator or other transmission devices to grab. Firstly, the materials are often conveyed in a stacking queue type, the number of the materials is large, the rotation movement of a plurality of materials needs to be realized while the revolution movement of the revolution conveying is carried out, the movement control of a plurality of shafting is involved, and the difficulty is large. Secondly, because the material has rotation motion, need automatic positioning locking when the dress card and need automatic pine to take off stall after target in place, this is the function that traditional assembly line equipment can't realize more. And finally, the revolution transmission movement cannot be influenced by the starting and the separation of the rotation movement of the materials, the two movements need to be controlled respectively, and are separated from each other without interlocking relation, so that the purposes of shortening the material conveying beat and improving the production efficiency are achieved. The traditional assembly line equipment at present can only realize the macroscopic movement of materials, and cannot realize the autorotation movement of the materials in the conveying process.
Disclosure of Invention
Based on the defects of the traditional assembly line equipment, in order to solve the special problem in the material conveying process, the invention provides the planetary wheel-rotating conveying device with the automatic locking function, which can quickly and automatically clamp and convey materials in a small automatic production line, can control the materials to do self-rotation motion in the conveying process, and automatically stops the self-rotation motion and relieves the clamping after the materials are in place.
In order to realize the invention, the following technical scheme is adopted:
a planetary wheel transmission device with an automatic locking function is characterized by comprising a revolution transmission unit, a planetary transmission unit and a plurality of rotation locking units; the concrete structure is as follows:
the revolution transmission unit comprises a revolution body 1, an upper supporting plate 2, a lower supporting plate 3, a connecting rod 4, a revolution transmission assembly, a first speed reducer 7, a servo motor 8 and a jacking slide rail 9, wherein the upper supporting plate 2 is fixedly connected with the lower supporting plate 3 through the connecting rod 4 to form a supporting unit of the whole device, the revolution transmission assembly is installed above the upper supporting plate 2, the revolution body 1 is fixedly connected with a rotating part of the revolution transmission assembly, the rotating axis of the revolution body is the revolution axis of the device, a plurality of installation positions of autorotation locking units are arranged on the revolution body 1, when the revolution motion occurs, the supporting unit is fixed, the servo motor 8 drives the revolution body 1 to perform the revolution motion through the revolution transmission assembly through the first speed reducer 7, the jacking slide rail 9 is installed on the upper surface of the lower supporting plate 3, and a detection switch is arranged at the jacking slide;
the autorotation locking unit consists of an autorotation locking unit transmission assembly, a mechanical conical clutch and a locking mechanism from bottom to top; the autorotation locking unit is arranged on an installation position on the revolution body 1 through a bearing unit, a locking mechanism at the upper part of the autorotation locking unit penetrates through the upper supporting plate 2 and a revolution transmission assembly arranged above the upper supporting plate 2, the autorotation locking unit transmission assembly is of a sleeve type structure, a synchronous belt wheel 15 is sleeved outside the sleeve, the synchronous belt wheel 15 is connected with a central transmission shaft 32 of the planetary transmission unit through a synchronous belt 36 so as to transmit the motion to the autorotation locking unit transmission assembly to form the autorotation motion of the autorotation locking unit, a lower ejector rod 13 with a pulley 16 at the lower end is arranged inside the sleeve, and the engagement and the release of the mechanical cone clutch are controlled through the axial motion of the ejector rod;
the planetary transmission unit comprises a central transmission shaft 32, a planetary belt pulley set 35 formed by planetary arrangement of synchronous belt pulleys 15 of a plurality of autorotation locking units, a first synchronous belt 36, a driving belt pulley 37, a second speed reducer 38, a motor 39 and a second synchronous belt 40, wherein the motor 39 is matched with the second speed reducer 38 to drive the central transmission shaft 32, the upper end and the lower end of the central transmission shaft 32 are respectively provided with a central belt pulley, the central belt pulley at the lower end is connected with the driving belt pulley 37 through the first synchronous belt 36 and transmits the driving force of the motor 39 to the central transmission shaft 32, the central belt pulley at the upper end is connected with the planetary belt pulley set 35 through the second synchronous belt 40 and transmits the motion of the central transmission shaft 32 to the synchronous belt pulleys 15 of the plurality of autorotation locking units, so that the motion is transmitted to the transmission assembly of the autor; (ii) a
The working process of the planetary wheel transmission device is as follows: a servo motor 8 of the revolution transmission unit and a motor of the planetary transmission unit are started, the revolution motion of the revolution body 1 and the rotation motion of the rotation locking unit are started, when a detection switch detects that the rotation locking unit revolves to a specified position, namely when a lower ejector rod 13 moves to the position above a jacking slide rail 9, the lower ejector rod 13 is jacked to enable a mechanical cone clutch to be in a disengaged state, the transmission of the rotation motion is disconnected, a locking mechanism on the upper part stops rotating, a material tray is loaded to the locking mechanism on the upper part by a manipulator, the locking mechanism automatically compresses the material tray, the revolution continues to operate, the lower ejector rod 13 moves out of the jacking slide rail 9, the mechanical cone clutch is in an engaged state, the rotation motion is transmitted to the locking mechanism on the upper part, the rotation locking unit continues to move, the material tray is driven to rotate and simultaneously revolves to be transmitted until the, the lower ejector rod 13 is jacked up again, the locking mechanism on the upper portion automatically rotates to be separated, the locking mechanism automatically loosens the material tray, and the material tray is unloaded by the manipulator.
Preferably, the revolution transmission component adopts a form that a gear ring turntable bearing 5 is matched with a driving gear, the gear ring turntable bearing 5 is installed above the upper supporting plate 2, the revolution body 1 is fixedly connected with a rotating part of the gear ring turntable bearing 5, when revolution motion occurs, the supporting unit is fixed, the servo motor 8 drives the revolution gear 6 through a speed reducer, and the revolution gear 6 is meshed with a gear ring on the gear ring turntable bearing 5 to drive the revolution body 1 to perform revolution motion;
preferably, the ring gear turntable bearing 5 is provided with a plurality of through holes of the rotation locking unit;
preferably, the specific structural form of the rotation locking unit transmission assembly is as follows: the device comprises a mounting base 10, a first bearing 11, an outer taper sleeve 12, a lower ejector rod 13, an ejector rod fixing seat 14, a synchronous belt wheel 15, a pulley 16, a key 17 and a bush 18, wherein the pulley 16 is mounted at the lower end of the lower ejector rod 13, the mounting base 10 is fixedly connected with a revolution body 1, the mounting base 10 is of a cylindrical structure, the taper sleeve 12 and the first bearing 11 are mounted in the mounting base 10 through shaft fit, the first bearing 11 is supported through the bush 18, the upper end of the ejector rod fixing seat 14 is fixedly connected onto the mounting base 10, the lower end of the ejector rod fixing seat 14 is positioned between the lower end of the outer taper sleeve 12 and the pulley 16, a lower ejector rod mounting hole is formed at the lower end of the ejector rod fixing seat 14, the lower ejector rod 13 penetrates through the lower ejector rod mounting hole of the ejector rod fixing seat 14 and the outer taper sleeve 12, the lower ejector rod 13 is mounted in the lower ejector rod mounting hole through a pin shaft and is limited in, the lower ejector rod 13 plays a role in jacking the inner taper sleeve 19 when moving along the vertical direction; the lower end of the outer taper sleeve 12 is provided with a synchronous belt pulley 15, and the upper end of the outer taper sleeve and an inner taper sleeve 19 of the mechanical taper clutch in the middle form a taper fit;
preferably, the mechanical cone clutch has the following specific structural form: the locking device comprises an inner taper sleeve 19, a first sleeve 20, an inner taper sleeve reset spring 21 and an upper ejector rod reset spring 23, wherein the first sleeve 20 is arranged on an installation position on a public rotating body 1 through a second bearing 29 to form axial and radial positioning on a self-rotation locking unit, the lower end of the inner taper sleeve 19 and an outer taper sleeve 12 of a transmission assembly of the self-rotation locking unit form conical surface matching, the upper end of the inner taper sleeve 19 is sleeved outside the lower end of the sleeve, a limiting part is arranged on the sleeve above the upper end of the inner taper sleeve 19, and the upper ejector rod reset spring 23 is arranged on the upper part of an upper ejector;
preferably, the specific structural form of the locking mechanism is as follows: the device is of a sleeve type structure and comprises an upper ejector rod 22, an upper ejector rod return spring 23, an annular wedge block 24, a wedge-shaped pressing block 25, an outer sleeve 26, an outer end cover 27 and a base 28; the upper end of the outer sleeve 26 is provided with an outer end cap 27, and the lower end of the outer sleeve 26 is fixedly connected with the upper end of the first sleeve 20 of the mechanical cone clutch; the upper ejector rod 22 is positioned in an outer sleeve 26, the middle part of the upper ejector rod 22 is fixedly connected with the outer sleeve 26, the lower part of the upper ejector rod 22 is positioned in a first sleeve of the mechanical conical clutch, the lower end of the upper ejector rod 22 is fixedly connected with an inner conical sleeve 19 of the mechanical conical clutch, the whole locking mechanism can rotate and axially move along with the inner conical sleeve 19 of the mechanical conical clutch, wedge-shaped pressing blocks 25 are radially arranged at the upper part and the middle lower part of the outer sleeve 26, annular wedge blocks 24 matched with the wedge-shaped pressing blocks 25 are arranged on the upper ejector rod 22 corresponding to the positions of the wedge-shaped pressing blocks 25, the axial movement of the upper ejector rod 22 is converted into the pressing and loosening movement of the annular wedge blocks 24, and the axial movement of the lower ejector rod 13 when the pulley 16 is at the jacking sliding rail 9 is matched, so that the locking mechanism can be disengaged from the autorotation movement;
preferably, the left and right sides of the synchronous pulley 15 are provided with auxiliary tensioning pulleys for adjusting the tightness degree of the second synchronous belt 40. Preferably, the planetary transmission unit is a double-layer synchronous belt transmission structure, wherein the central pulley 33, the auxiliary tension pulley 34, the first synchronous belt 36, the driving pulley 37, the second speed reducer 38 and the motor 39 at the lower end form a lower transmission mechanism, and the main function of the lower transmission mechanism is to transmit the driving force of the motor 39 to the central transmission shaft 32; the second sleeve 30, the third bearing 31, the central transmission shaft 32, the central belt pulley 33 at the upper end, the planetary belt pulley set 35 and the second synchronous belt 40 form an upper-layer transmission mechanism, and the main function of the upper-layer transmission mechanism is to transmit the motion of the central transmission shaft 32 to the synchronous belt pulleys of the autorotation locking units and provide driving force for the autorotation motion of the autorotation locking units;
preferably, the second sleeve 30 is installed on the lower supporting plate 3, a central transmission shaft 32 is installed inside the second sleeve 30 and is positioned by a third bearing 31, a set of central pulleys 33 is installed at each end of the central transmission shaft 32, the upper synchronous pulley is connected with the planetary pulley set 35 by a second synchronous belt 40, and the lower synchronous pulley is connected with the driving pulley 37 by a first synchronous belt 36.
The invention has the following technical effects:
(1) the present invention solves the following problems:
firstly, different from the traditional material conveying method, aiming at the conveying characteristic of simultaneously conveying revolution motion and material rotation motion, a novel planetary wheel material conveying method is developed, the coordination control of a revolution shaft and a plurality of rotation shafts can be realized, no interlocking relation exists, the material conveying beat is shortened, and the production efficiency is improved;
secondly, because there is rotary motion in material itself, consequently need carry out the chucking respectively and loosen the material when beginning conveying and conveying target in place, if adopt manual operation can occupy a large amount of time costs, reduce material conveying efficiency, cause the influence to whole production process. The invention discloses a clamping and loosening mechanism, wherein the clamping position of a material is located at a wedge-shaped pressing block, a single autorotation locking unit is provided with a plurality of wedge-shaped pressing blocks, when an upper ejector rod jacks up, the wedge-shaped pressing blocks are loosened, and when the upper ejector rod falls down, the wedge-shaped pressing blocks are pushed out to be in contact with the inner cylinder wall of a material sleeve tray, so that the clamping and loosening from the interior of a tray sleeve are realized. The automatic clamping of the distribution materials in the axial direction and the radial direction is realized, the structure is compact, the safety and the reliability are realized, the clamping and the loosening speed block are installed, and the influence on the production beat is small;
thirdly, in the conveying process, the whole material conveying system has a plurality of movements such as system revolution, material rotation and the like, effective driving control is required for the movements, and cost reduction is required as much as possible.
(2) The planetary wheel-rotating transmission device with the automatic locking function is used for quickly and automatically clamping and rotatably transmitting materials in a rotating state in an automatic production line, greatly improves the clamping speed in the material distribution process, shortens the material conveying rhythm, improves the production efficiency, and has the following main innovation points:
firstly, the invention adopts a novel tensioning mechanism to realize the axial and radial automatic clamping of the delivered materials, has compact structure, safety and reliability, and has small influence on the production rhythm due to clamping and loosening of the speed block;
secondly, the mechanism with the matched ejector rod and the slide rail is adopted, so that the automatic connection and disconnection of the material and the rotation transmission mechanism at the designated position can be realized under the condition of not suspending the revolution and distribution movement of the material, and the whole distribution movement cannot be influenced;
thirdly, the transmission mechanism can realize the rotation motion and the revolution motion of a plurality of shafts under the condition of using a small amount of drive, and simultaneously respectively controls the revolution speed and the rotation speed, thereby further reducing the cost and having good economic applicability;
fourthly, the autorotation locking unit adopts a modular design, is integrally a single assembly body module, is convenient and quick to install, can increase and decrease the number according to the actual material use condition, and has high flexibility.
Drawings
FIG. 1 is a three-dimensional external view of a planetary wheel transfer apparatus;
FIG. 2 is a cross-sectional view of a planetary wheel conveyor shafting;
fig. 3 is a three-dimensional external view a of the revolution transfer unit;
fig. 4 is a three-dimensional external view B of the revolution transfer unit;
FIG. 5 is a three-dimensional external view of the rotation locking unit;
FIG. 6 is a sectional view of a shaft system of the rotation locking unit;
FIG. 7 is a partial cross-sectional view of the transmission assembly and clutch structure of the self-rotation locking unit;
fig. 8 is a partial sectional view of a locking mechanism structure of the rotation locking unit;
FIG. 9 is a three-dimensional external view of the planetary transmission unit with the lower plate hidden;
FIG. 10 is an enlarged fragmentary cross-sectional view of the planetary wheel conveyor shaft assembly;
FIG. 11 is a schematic view of the upper stage transmission structure of the planetary transmission unit;
FIG. 12 is a schematic view of a lower stage transmission structure of the planetary transmission unit;
in the figure: 1-revolution body, 2-upper supporting plate, 3-lower supporting plate, 4-connecting rod, 5-gear ring turntable bearing, 6-revolution gear, 7-first speed reducer, 8-servo motor, 9-jacking slide rail, 10-mounting base, 11-first bearing, 12-outer taper sleeve, 13-lower jacking rod, 14-jacking rod fixing base, 15-synchronous pulley, 16-pulley, 17-key, 18-bushing, 19-inner taper sleeve, 20-first sleeve, 21-inner taper sleeve spring, 22-upper jacking rod, 23-upper jacking rod reset spring, 24-annular wedge block, 25-wedge-shaped pressing block, 26-outer sleeve, 27-outer end cover, 28-base, 29-second bearing, 30-second sleeve, 31-a third bearing, 32-a central transmission shaft, 33-a central belt pulley, 34-an auxiliary tensioning pulley, 35-a planetary belt pulley set, 36-a first synchronous belt, 37-a driving belt pulley, 38-a second speed reducer, 39-a motor and 40-a second synchronous belt.
Detailed Description
The planetary wheel transmission with automatic locking function according to the present invention will be described in detail with reference to the accompanying drawings. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The planetary wheel rotation conveying device with the automatic locking function is divided according to functional modules and comprises a revolution conveying unit, a planetary transmission unit and a plurality of rotation locking units, wherein the revolution conveying unit is used for completing wheel rotation movement of materials, the rotation locking units are used for completing automatic locking and loosening of the materials, and the planetary transmission unit is used for completing rotation movement in the material conveying process. In this embodiment, it is exemplified that there are one revolution transmission unit and six rotation locking units and corresponding planetary transmission units, as shown in fig. 1 and 2.
As shown in fig. 3 and 4, the revolution conveying unit is composed of a revolution body 1, an upper supporting plate 2, a lower supporting plate 3, a connecting rod 4, a gear ring turntable bearing 5, a revolution gear 6, a first speed reducer 7, a servo motor 8 and a jacking slide rail 9, and is mainly responsible for completing the rotary movement of materials. The male rotator 1 is of a welding structure and is provided with six installation positions of autorotation locking unit modules. The upper supporting plate 2 and the lower supporting plate 3 are fixedly connected through a connecting rod 4 to form a supporting unit of the whole device, and the supporting unit can be supported by a traditional machine tool supporting base. In this embodiment, the transmission component selects a form of matching the gear ring turntable bearing 5 with the driving gear 6, the gear ring turntable bearing 5 is installed above the upper supporting plate 2, the revolution body 1 is fixedly connected with the rotation part of the gear ring turntable bearing 5, and the rotation axis is the revolution axis of the mechanism. When the revolution motion occurs, the supporting unit is fixed, the servo motor 8 drives the revolution gear 6 through the speed reducer 7, the revolution gear 6 is meshed with the gear ring on the gear ring turntable bearing 5, and the revolution body 1 is driven to perform the revolution motion. The supporting unit is provided with a detection switch at the position of the jacking sliding rail 9 to detect the in-place state of the autorotation locking unit.
As shown in fig. 5 and 6, the rotation locking unit body has a double-sleeve structure, is mounted on the male rotator 1, and is composed of a lower transmission assembly (fig. 7), a middle clutch (fig. 7), and an upper locking mechanism (fig. 8). The autorotation locking unit is arranged on an installation position on the revolution body 1 through a bearing unit, and a locking mechanism at the upper part of the autorotation locking unit passes through the upper supporting plate 2 and a gear ring turntable bearing 5 of the revolution transmission assembly arranged above the upper supporting plate 2. The transmission assembly of the autorotation locking unit is of a sleeve type structure, a synchronous belt wheel 15 is sleeved outside the sleeve, the synchronous belt wheels 15 of the autorotation locking units are in a planetary belt wheel set 35 formed by planetary arrangement, a motor 39 is matched with a second speed reducer 38 to drive a central transmission shaft 32, central belt wheels are arranged at the upper end and the lower end of the central transmission shaft 32, the central belt wheel at the upper end is connected with the planetary belt wheel set 35 through a second synchronous belt 40, the central belt wheel at the lower end is connected with a driving belt wheel 37 through a first synchronous belt 36, so that the motion is transmitted to the transmission assembly of the autorotation locking unit to form the autorotation; a lower mandril 13 with a pulley 16 at the lower end is arranged in the sleeve, and the axial movement of the mandril controls the connection and the release of the mechanical cone clutch, thereby controlling the rotation and the stop of the rotation of the locking mechanism; the transmission assembly at the lower part consists of a mounting base 10, a first bearing 11, an outer taper sleeve 12, a lower ejector rod 13, an ejector rod fixing seat 14, a synchronous belt wheel 15, a pulley 16, a key 17 and a bushing 18. The mounting base 10 is fixedly connected with the male rotator 1, the mounting base 10 is of a cylindrical structure, the outer taper sleeve 12 and the first bearing 11 are mounted in the mounting base 10 through shaft fit, and the first bearing 11 is supported through a bushing 18. The synchronous pulley 15 is installed at one end of the outer taper sleeve 12, and the auxiliary tensioning wheels 34 are respectively arranged at the left side and the right side of the synchronous pulley 15 to adjust the tightness degree of the second synchronous belt 40. The other end of the outer taper sleeve 12 is in taper fit with the inner taper sleeve 19 of the middle clutch. The ejector rod fixing seat 14 is fixedly connected to the mounting base 10, and the lower ejector rod 13 penetrates through the ejector rod fixing seat 14 and the outer taper sleeve 12, is limited to axially rotate through a key 17, and can only do translational motion along the vertical direction. The upper end of the lower ejector rod 13 and the inner taper sleeve 19 interact through an angular contact bearing, the inner taper sleeve 19 plays a role in jacking, the lower end of the lower ejector rod is provided with a pulley 16, and the pulley 16 can move on the jacking sliding rail 9; the clutch in the middle part consists of an inner taper sleeve 19, a first sleeve 20 and an inner taper sleeve spring 21, wherein the first sleeve 20 is arranged on the male rotator 1 in a matching way with a bearing to form axial and radial positioning for the autorotation locking mechanism. In a normal state, the inner taper sleeve spring 21 presses the inner taper sleeve 19 to form a taper fit with the outer taper sleeve 12, the taper is provided with a wear-resistant material, the surface fit friction force is increased, and the clutch is in an engaged state. When the lower ejector rod 13 moves to the jacking slide rail 9, the inner taper sleeve 19 is jacked up by the lower ejector rod 13, the inner taper sleeve is separated from the contact with the outer taper sleeve 12, and the clutch is in a disengaged state. The specific action principle is as follows: the upper end of the ejector rod 13 and the inner taper sleeve 19 are positioned by a bearing, the radial movement and the axial rotation of the lower ejector rod 13 are limited by a key groove on the ejector rod fixing seat 14, and only the translational freedom degree in the vertical direction is reserved. Therefore, the lower mandril 13 only carries out vertical jacking movement along with the jacking slide rail 9, plays a role of jacking the inner taper sleeve 19 and does not rotate along with the inner taper sleeve 19. When the synchronous pulley 15 drives the outer taper sleeve 12 to rotate, if the lower ejector rod 13 is in a falling posture, the inner taper sleeve 19 is in contact with the outer taper sleeve 12 and rotates together, and if the lower ejector rod 13 is in a jacking posture, the inner taper sleeve 19 is not in contact with the outer taper sleeve 12 and does not rotate along with the outer taper sleeve 12.
The specific structural form of the autorotation locking unit transmission assembly at the lower part is shown in fig. 7, and comprises a mounting base 10, a first bearing 11, an outer taper sleeve 12, a lower ejector rod 13, an ejector rod fixing seat 14, a synchronous pulley 15 and a pulley 16, wherein the pulley 16 is mounted at the lower end of the lower ejector rod 13, the lower ejector rod 13 and the outer taper sleeve 12 are of a sleeve structure, the outer taper sleeve 12 is sleeved outside the lower ejector rod 13, the synchronous pulley 15 is mounted at the lower end of the outer taper sleeve 12, the upper end of the outer taper sleeve and an inner taper sleeve 19 of a mechanical taper clutch at the middle part form a taper fit, and the middle part is mounted in a mounting; the mounting base 10 is fixedly connected with the male rotating body 1, the upper end of the ejector rod fixing seat 14 is fixedly connected with the mounting base 10, the lower end of the ejector rod fixing seat 14 is positioned between the lower end of the outer taper sleeve 12 and the pulley 16, the lower end of the ejector rod fixing seat 14 is provided with a lower ejector rod mounting hole, the lower ejector rod 13 is mounted in the lower ejector rod mounting hole through a pin shaft and limited in axial rotation through a key 17, the upper end of the lower ejector rod passes through the outer taper sleeve 12 and acts with the inner taper sleeve 19 through an angular contact bearing, can move in the vertical direction, and plays a;
the specific structure form of the mechanical cone clutch is shown in fig. 7: the locking device comprises an inner taper sleeve 19, a first sleeve 20, an inner taper sleeve reset spring 21 and an upper ejector rod reset spring 23, wherein the first sleeve 20 is arranged on an installation position on a public rotating body 1 through a second bearing 29 to form axial and radial positioning on a self-rotation locking unit, the lower end of the inner taper sleeve 19 and an outer taper sleeve 12 of a transmission assembly of the self-rotation locking unit form conical surface matching, the upper end of the inner taper sleeve 19 is sleeved outside the lower end of the sleeve, a limiting part is arranged on the sleeve above the upper end of the inner taper sleeve 19, and the upper ejector rod reset spring 23 is arranged on the upper part of an upper ejector;
the specific structural form of the locking mechanism is shown in fig. 8: the device is of a sleeve type structure and comprises an upper ejector rod, a spring, an annular wedge block 24, a wedge-shaped pressing block 25, an outer sleeve 26, an outer end cover 27 and a base 28; the upper end of the outer sleeve 26 is provided with an outer end cap 27, and the lower end of the outer sleeve 26 is fixedly connected with the upper end of the first sleeve 20 of the mechanical cone clutch; the upper ejector rod 22 is positioned in an outer sleeve 26, the middle part of the upper ejector rod 22 is fixedly connected with the outer sleeve 26, the lower part of the upper ejector rod 22 is positioned in a first sleeve of the mechanical conical clutch, the lower end of the upper ejector rod 22 is fixedly connected with an inner conical sleeve 19 of the mechanical conical clutch, the whole locking mechanism can rotate and axially move along with the inner conical sleeve 19 of the mechanical conical clutch, wedge-shaped pressing blocks 25 are radially arranged at the upper part and the middle lower part of the outer sleeve 26, annular wedge blocks 24 matched with the wedge-shaped pressing blocks 25 are arranged on the upper ejector rod 22 corresponding to the positions of the wedge-shaped pressing blocks 25, the axial movement of the upper ejector rod 22 is converted into the pressing and loosening movement of the annular wedge blocks 24, and the axial movement of the lower ejector rod 13 when the pulley 16 is at the jacking sliding rail 9 is matched, so that the locking mechanism can be disengaged from the autorotation movement;
as shown in fig. 2, 9 and 10, the planetary transmission unit is composed of a second sleeve 30, a third bearing 31, a central transmission shaft 32, a central pulley 33, an auxiliary tension pulley 34, a planetary pulley set 35, a first synchronous belt 36, a driving pulley 37, a second speed reducer 38, a motor 39 and a second synchronous belt 40. The planetary transmission unit is a double-layer synchronous belt transmission structure. The center pulley 33, the auxiliary tension pulley 34, the first timing belt 36, the driving pulley 37, the second speed reducer 38, and the motor 39 constitute a lower transmission mechanism, and mainly function to transmit the driving force of the motor 39 to the center pulley 33 and the center transmission shaft 32. The second sleeve 30, the third bearing 31, the central transmission shaft 32, the central belt pulley 33, the planetary belt pulley set 35 and the second synchronous belt 40 form an upper transmission mechanism, and the main function of the upper transmission mechanism is to transmit the motion of the central transmission shaft 32 to the synchronous belt pulleys of the plurality of rotation locking units and provide driving force for the rotation motion of the rotation locking units.
A second sleeve 30 is mounted on the lower plate 3, inside which a central drive shaft 32 is mounted and positioned by means of a third bearing 31. A set of central pulleys 33 is mounted on each end of the central drive shaft 32. Wherein, the upper layer synchronous pulley is connected with the planetary pulley set 35 through a second synchronous belt 40, and the lower layer synchronous pulley is connected with the driving pulley 37 through a first synchronous belt 36.
The plurality of synchronous pulleys of the plurality of rotation locking units are arranged in a planetary type to form a planetary pulley set 35 which is arranged in a ring shape with respect to the central pulley 33. The motor 39 is matched with the second speed reducer 38 to drive the central transmission shaft 32, the central transmission shaft 32 is connected with the planetary belt pulley set 35 in series through the second synchronous belt 40, the second synchronous belt 40 is tensioned through the auxiliary tensioning wheel 34, and then the motion is transmitted to the transmission assembly of the rotation locking unit.
Fig. 11 is an example of a series connection method of the planetary pulleys in the upper transmission mechanism, which can be modified according to the actual conditions such as the number and arrangement of the rotation locking units.
Fig. 12 shows an example of a connection method of the pulleys in the lower transmission mechanism, which can be modified according to practical applications.
In this embodiment, the working process of the planetary wheel transmission device with the automatic locking function is as follows: the revolution motor is started, the servo motor 8 drives the revolution gear 6 through the speed reducer, and the revolution gear 6 is meshed with the gear ring on the turntable bearing to drive the revolution body 1 to perform revolution motion. The rotation motor is started, the motor drives the speed reducer to drive the central transmission shaft 32 through the first synchronous belt and the driving belt wheel, the central transmission shaft 32 is connected with the planetary belt wheel set 35 through the second synchronous belt 40, the rotation motion of the central transmission shaft 32 is transmitted to the planetary belt wheel set 35, and then the rotation motion is transmitted to the transmission mechanism of the rotation locking unit. At this time, the rotation locking unit starts to rotate and revolves around the revolution axis of the planetary wheel automatic locking mechanism. When the pulley 16 revolves and moves above the jacking sliding rail 9, the lower ejector rod 13 is jacked, the lower ejector rod 13 vertically jacks along with the jacking sliding rail 9, the function of jacking the inner taper sleeve 19 is achieved, the clutch is disengaged, the upper locking mechanism automatically rotates and stops, meanwhile, the upper ejector rod is jacked, the pressing mechanism automatically releases, and the material tray can be loaded to the upper locking mechanism by the manipulator. When the revolution motion continues to operate, the pulley 16 moves out of the jacking sliding rail 9, the locking mechanism automatically locks the material tray, the clutch is engaged, the autorotation locking unit continues to autorotate to drive the material tray to autorotate and simultaneously perform revolution transmission until the autorotation locking unit moves to the next designated position, the locking mechanism is disengaged from autorotate, the pressing block automatically loosens, and the material tray can be unloaded by the manipulator. The chucking position of material is located wedge briquetting 25 department, and single rotation locking unit is furnished with 8 wedge briquetting 25, and when ejector pin 22 jack-up, wedge briquetting 25 loosens, and when ejector pin 22 fell down, wedge briquetting 25 was ejecting, contacts with the inner tube wall of material cover tray, realizes following the inside chucking of tray sleeve and the pine takes off.
Claims (7)
1. A planetary wheel transmission device with an automatic locking function is characterized by comprising a revolution transmission unit, a planetary transmission unit and a plurality of rotation locking units; the concrete structure is as follows:
the revolution transmission unit comprises a revolution body (1), an upper supporting plate (2), a lower supporting plate (3), a connecting rod (4), a revolution transmission assembly, a first speed reducer (7), a servo motor (8) and a jacking slide rail (9), wherein the upper supporting plate (2) is fixedly connected with the lower supporting plate (3) through the connecting rod (4) to form a supporting unit of the whole device, the revolution transmission assembly is arranged above the upper supporting plate (2), the revolution body (1) is fixedly connected with a rotating part of the revolution transmission assembly, the rotating axis of the revolution transmission assembly is the revolution axis of the device, a plurality of mounting positions of rotation locking units are arranged on the revolution body (1), when the revolution motion occurs, the supporting unit is fixed, the servo motor (8) drives the revolution body (1) to perform the revolution motion through the revolution transmission assembly through the first speed reducer (7), the jacking slide rail (9) is arranged on the upper surface of the lower supporting plate (3), a detection switch is arranged at the jacking sliding rail (9) to detect the in-place state of the autorotation locking unit;
the autorotation locking unit consists of an autorotation locking unit transmission assembly, a mechanical conical clutch and a locking mechanism from bottom to top; the autorotation locking unit is arranged on an installation position on the revolution body (1) through a bearing unit, a locking mechanism at the upper part of the autorotation locking unit penetrates through the upper supporting plate (2) and a revolution transmission assembly arranged above the upper supporting plate (2), the autorotation locking unit transmission assembly is of a sleeve type structure, a synchronous belt wheel (15) is sleeved outside the sleeve, the synchronous belt wheel (15) is connected with a central transmission shaft (32) of the planetary transmission unit through a synchronous belt, so that the motion is transmitted to the autorotation locking unit transmission assembly to form the autorotation motion of the autorotation locking unit, a lower ejector rod (13) with a pulley (16) at the lower end is arranged inside the sleeve, and the engagement and the release of the mechanical cone clutch are controlled through the axial motion of the;
the planetary transmission unit comprises a central transmission shaft (32), a planetary belt wheel set (35) formed by planetary arrangement of synchronous belt wheels (15) of a plurality of autorotation locking units, a first synchronous belt (36), a driving belt wheel (37), a second speed reducer (38), a motor (39) and a second synchronous belt (40), wherein the motor (39) is matched with the second speed reducer (38) to drive the central transmission shaft (32), the upper end and the lower end of the central transmission shaft (32) are respectively provided with a central belt wheel, the central belt wheel at the lower end is connected with the driving belt wheel (37) through the first synchronous belt (36) to transmit the driving force of the motor (39) to the central transmission shaft (32), the central belt wheel at the upper end is connected with the planetary belt wheel set (35) through the second synchronous belt (40) to transmit the motion of the central transmission shaft (32) to the synchronous belt wheels (15) of the autorotation locking units, thereby transmitting the motion to, forming the rotation movement of the rotation locking unit;
the working process of the planetary wheel transmission device is as follows: a servo motor (8) of the revolution transmission unit and a motor of the planetary transmission unit are started, revolution motion of a revolution body (1) and rotation motion of a rotation locking unit are started, when a detection switch detects that the rotation locking unit revolves to a specified position, namely when a lower ejector rod (13) moves to the position above a jacking sliding rail (9), the lower ejector rod (13) is jacked to enable a mechanical cone clutch to be in a disengaged state, transmission of the rotation motion is disconnected, a locking mechanism at the upper part stops rotating, a material tray is loaded to the locking mechanism at the upper part by a manipulator, the locking mechanism automatically compresses the material tray, the revolution continues to operate, the lower ejector rod (13) moves out of the jacking sliding rail (9), the mechanical cone clutch is in an engaged state, the rotation motion is transmitted to the locking mechanism at the upper part, the rotation locking unit continues to rotate to drive the material tray to rotate and simultaneously perform, and when the autorotation locking unit moves to the next designated position, the lower ejector rod (13) is jacked up again, the locking mechanism on the upper part automatically releases the autorotation, the locking mechanism automatically releases the material tray, and the material tray is unloaded by the manipulator.
2. The planetary wheel transmission device with the automatic locking function according to claim 1, wherein the revolution transmission assembly is in the form of a gear ring turntable bearing (5) matching with a driving gear, the gear ring turntable bearing (5) is installed above the upper supporting plate (2), the male rotor (1) is fixedly connected with a rotating part of the gear ring turntable bearing (5), when the revolution motion occurs, the supporting unit is fixed, the servo motor (8) drives the revolution gear (6) through a speed reducer, and the revolution gear (6) is meshed with a gear ring on the gear ring turntable bearing (5) to drive the male rotor (1) to perform the revolution motion.
3. A planetary wheel transfer with automatic locking according to claim 2, characterized in that the ring gear slewing bearing (5) is provided with a plurality of through holes of the rotation locking unit.
4. A planetary wheel transmission with automatic locking function according to claim 1, characterized in that:
the specific structural form of the autorotation locking unit transmission assembly is as follows: comprises a mounting base (10), a first bearing (11), an outer taper sleeve (12), a lower ejector rod (13), an ejector rod fixing seat (14), a synchronous pulley (15), a pulley (16), a key (17) and a bush (18), wherein the pulley (16) is mounted at the lower end of the lower ejector rod (13), the mounting base (10) is fixedly connected with a revolution body (1), the mounting base (10) is of a cylindrical structure, the outer taper sleeve (12) and the first bearing (11) are mounted in the mounting base (10) through inter-shaft fit, the first bearing (11) is supported through the bush (18), the upper end of the ejector rod fixing seat (14) is fixedly connected onto the mounting base (10), the lower end of the ejector rod fixing seat (14) is positioned between the lower end of the outer taper sleeve (12) and the pulley (16), a lower ejector rod mounting hole is formed at the lower end of the ejector rod fixing seat (14), the upper end of the lower ejector rod (13) penetrates through the, the lower ejector rod (13) is mounted in the lower ejector rod mounting hole through a pin shaft and is limited to axially rotate through a key (17), the upper end of the lower ejector rod (13) penetrates through the outer taper sleeve (12) and acts with the inner taper sleeve (19) through an angular contact bearing, and the lower ejector rod (13) plays a role in jacking the inner taper sleeve (19) when moving in the vertical direction; the lower end of the outer taper sleeve (12) is provided with a synchronous belt pulley (15), and the upper end of the outer taper sleeve and an inner taper sleeve (19) of the mechanical taper clutch in the middle form a taper fit;
the specific structural form of the mechanical cone clutch is as follows: the self-locking mechanism comprises an inner taper sleeve (19), a first sleeve (20), an inner taper sleeve reset spring (21) and an upper ejector rod reset spring (23), wherein the first sleeve (20) is installed on an installation position on a public rotating body (1) through a second bearing (29) to form axial and radial positioning on a self-rotation locking unit, the lower end of the inner taper sleeve (19) and an outer taper sleeve (12) of a self-rotation locking unit transmission assembly form a taper fit, the upper end of the inner taper sleeve (19) is sleeved outside the lower end of the first sleeve (20), a limiting part is arranged on the first sleeve (20), the limiting part is arranged above the inner taper sleeve (19), and the upper ejector rod reset spring (23) is installed on the upper portion of an upper ejector rod (22);
the specific structural form of the locking mechanism is as follows: the device is of a sleeve type structure and comprises an upper ejector rod (22), an upper ejector rod reset spring (23), an annular wedge block (24), a wedge-shaped pressing block (25), an outer sleeve (26), an outer end cover (27) and a base (28); an outer end cover (27) is arranged at the upper end of the outer sleeve (26), and the lower end of the outer sleeve (26) is fixedly connected with the upper end of a first sleeve (20) of the mechanical cone clutch; the upper ejector rod (22) is positioned in the outer sleeve (26), the middle part of the upper ejector rod (22) is fixedly connected with the outer sleeve (26), the lower part of the upper ejector rod (22) is positioned in the first sleeve (20) of the mechanical conical clutch, the lower end of the upper ejector rod (22) is fixedly connected with the inner conical sleeve (19) of the mechanical conical clutch, the whole locking mechanism can rotate and axially move along with the inner conical sleeve (19) of the mechanical conical clutch, wedge-shaped pressing blocks (25) are radially arranged at the upper part and the middle lower part of the outer sleeve (26), an annular wedge block (24) matched with the wedge-shaped pressing block (25) is arranged on the upper ejector rod (22) corresponding to the position of the wedge-shaped pressing block, the axial movement of the upper ejector rod (22) is converted into the pressing and loosening movement of the annular wedge block (24), and the axial movement of the lower ejector rod (13) when the pulley (16) is matched with the jacking slide rail (9) can, and the locking is automatically recovered after the device leaves the designated position and the autorotation motion is started.
5. A planetary wheel transfer with automatic locking according to claim 1, characterized in that the timing pulley (15) is provided with auxiliary tensioning wheels on the left and right sides for adjusting the tightness of the second timing belt.
6. A planetary wheel transfer device with automatic locking function according to claim 1, wherein said planetary transmission unit is a double-layer synchronous belt transmission structure in which a lower center pulley (33), an auxiliary tension pulley (34), a first synchronous belt (36), a driving pulley (37), a second speed reducer (38) and a motor (39) constitute a lower transmission mechanism, the main function of which is to transmit the driving force of the motor (39) to the center transmission shaft (32); the second sleeve (30), the third bearing (31), the central transmission shaft (32), the central belt wheel (33) at the upper end, the planetary belt wheel set (35) and the second synchronous belt (40) form an upper-layer transmission mechanism, and the main function of the upper-layer transmission mechanism is to transmit the motion of the central transmission shaft (32) to the synchronous belt wheels (15) of the autorotation locking units and provide driving force for the autorotation motion of the autorotation locking units.
7. A planetary wheel transfer device with automatic locking according to claim 6, characterized in that the second sleeve (30) is installed on the lower pallet (3), the second sleeve (30) is internally installed with a central transmission shaft (32) and positioned by a third bearing (31), the central transmission shaft (32) is installed with a set of central pulleys (33) at both ends, the upper central pulley is connected with the planetary pulley set (35) by a second timing belt (40), and the lower central pulley is connected with the driving pulley (37) by a first timing belt (36).
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| CN201711029735.7A CN109210168B (en) | 2017-10-30 | 2017-10-30 | Planetary wheel-rotating transmission device with automatic locking function |
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| CN201711029735.7A CN109210168B (en) | 2017-10-30 | 2017-10-30 | Planetary wheel-rotating transmission device with automatic locking function |
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| CN109210168B true CN109210168B (en) | 2020-09-08 |
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| CN111043249B (en) * | 2019-12-19 | 2021-06-18 | 天长市天翔集团有限公司 | Planet carrier structure convenient for mounting conical surface bearing |
| CN112606452B (en) * | 2020-12-04 | 2022-10-18 | 哈尔滨工大宏图橡塑科技有限公司 | Self-balancing mechanism of aviation tire steel wire ring winding machine |
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