CN111828581B - Upper and lower station waiting mechanism and control mode thereof - Google Patents
Upper and lower station waiting mechanism and control mode thereof Download PDFInfo
- Publication number
- CN111828581B CN111828581B CN202010852108.9A CN202010852108A CN111828581B CN 111828581 B CN111828581 B CN 111828581B CN 202010852108 A CN202010852108 A CN 202010852108A CN 111828581 B CN111828581 B CN 111828581B
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- station
- spring assembly
- spring
- guide ring
- limit stop
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- 230000007246 mechanism Effects 0.000 title claims abstract description 92
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000033001 locomotion Effects 0.000 claims description 17
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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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
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/12—Transmitting mechanisms with delayed effect
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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
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
- F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
- F16H21/18—Crank gearings; Eccentric gearings
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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
- F16H33/00—Gearings based on repeated accumulation and delivery of energy
-
- 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
- F16H35/00—Gearings or mechanisms with other special functional features
- F16H35/14—Mechanisms with only two stable positions, e.g. acting at definite angular positions
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/075—Means for converting reciprocating motion into rotary motion or vice versa using crankshafts or eccentrics
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
- Manipulator (AREA)
Abstract
The invention discloses an upper station waiting mechanism and a lower station waiting mechanism, which comprise a driving mechanism, a transmission mechanism, an axial deformation mechanism and a station connecting mechanism which are sequentially connected, wherein the axial deformation mechanism or the station connecting mechanism is provided with an upper limiting mechanism and a lower limiting mechanism. The invention does not need motor to stop when in upper and lower stations, saves energy and improves work efficiency.
Description
Technical Field
The invention relates to the field of mechanical equipment, in particular to an upper station waiting mechanism and a lower station waiting mechanism.
Background
In automatic production equipment, a working mode of up-and-down reciprocating motion is generally needed, a certain period of time is needed to stay at an upper station and a lower station for completing a working procedure of the station, a limiting mechanism is respectively arranged at the upper station and the lower station, and a motor stops rotating at the upper station and the lower station, so that the stay period is obtained, otherwise, the limiting mechanism is damaged, the motor has large motion inertia and high control precision requirement when being started and braked, the manufacturing cost is high, additional energy is consumed, equipment is easy to consume, and the equipment is more obvious particularly when the equipment is operated at a high speed, and the motor is suddenly stopped or suddenly started to be unfavorable for the high-speed reciprocating motion of the motor.
Disclosure of Invention
The invention aims to provide an upper station waiting mechanism and a lower station waiting mechanism, which do not need motor stopping during the process of upper station and lower station, avoid the sudden stop or the sudden start of the motor, save energy and improve the working efficiency.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the invention discloses an upper station waiting mechanism and a lower station waiting mechanism, which comprise a driving mechanism, a transmission mechanism, an axial deformation mechanism and a station connecting mechanism which are sequentially connected, wherein the axial deformation mechanism or the station connecting mechanism is provided with an upper limiting mechanism and a lower limiting mechanism.
Preferably, the upper limit mechanism and the lower limit mechanism comprise a limiting block, an upper limit stop and a lower limit stop, the limiting block is connected to the station connecting mechanism, the upper limit stop is located right above the limiting block, and the lower limit stop is located right below the limiting block.
Preferably, the axial deformation mechanism is an elastic deformation mechanism, the driving mechanism comprises a servo motor, and the transmission mechanism is a crank-link mechanism.
Preferably, the spring mechanism comprises an upper spring assembly and a lower spring assembly, wherein the upper spring assembly is connected with the upper cap, the lower spring assembly is connected with the motion rod, and the lower end of the upper spring assembly is in contact with the upper end of the lower spring assembly.
Preferably, the lower part of the upper cap is a hollow part, the bottom is open, the upper spring assembly and the lower spring assembly are both positioned in the hollow part, the upper spring assembly comprises an upper spring and an upper guide ring, the lower spring assembly comprises a lower spring and a lower guide ring, the upper spring and the lower spring are both threaded springs, the upper guide ring is connected with the lower end of the upper spring, and the lower guide ring is connected with the lower end of the lower spring.
Furthermore, an adjusting ring is arranged below the lower guide ring and sleeved on the moving rod, the adjusting ring is in sliding connection with the moving rod and is provided with a locking mechanism, and the moving rod is a telescopic rod.
Preferably, the upper guide ring and the lower guide ring are copper alloy, nylon or polytetrafluoroethylene.
Further, the upper part of the upper cap is provided with a radial through hole, and the lower part of the motion rod is provided with a mounting hole; the station connecting mechanism is connected with the upper cap through the radial through hole in a bolt manner, and the crank connecting rod mechanism is connected with the moving rod through the mounting hole in a bolt manner.
The invention also discloses a control method suitable for the upper and lower station waiting mechanism, and the rotating speed of the servo motor is not zero during the working period of the equipment.
Preferably, when the limiting block is contacted with the upper limit stop and the lower limit stop, the rotating speed of the servo motor is reduced.
The working principle of the invention is as follows: under the working condition, when the limiting block is not contacted with the upper limit stop and the lower limit stop, the servo motor rotates at a high speed; when the limiting block contacts the upper limit stop or the lower limit stop, the servo motor is decelerated (but the speed is not 0), and the stations are kept to be static through deformation of the upper spring or the lower spring, so that waiting during the upper station and the lower station is realized; the length of the upper spring and the length of the lower spring can be adjusted to set the static time of the station, and the static time of the station, namely the station waiting time, can be set by adjusting the rotating speed of the servo motor when the station is static.
The invention avoids the repeated operation in the following working states under the condition of variable speed and high-speed operation of the servo motor: stop-high speed-stop-high speed (without the present invention, the operating mode of a conventional upper and lower station waiting mechanism). The invention adopts a deformation mode to realize waiting of the upper station and the lower station, and the motor is not required to stop rotating when the upper station and the lower station are arranged, so that two stopping points can not appear, the motor is prevented from overcoming larger rotational inertia, the control is simple, the energy is saved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic illustration of the axial deformation mechanism in an upper station;
FIG. 3 is a schematic view of the axial deformation mechanism in a lower station;
in the figure: 1-upper cap, 2-upper spring, 3-screw, 4-upper guide ring, 5-lower spring, 6-lower guide ring, 7-adjusting ring, 8-motion rod, 9-crank link mechanism, 10-servo motor, 11-station connecting mechanism, 12-station, 13-limit block, 14-upper limit stop and 15-lower limit stop.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1, the upper and lower station waiting mechanism disclosed by the invention comprises a driving mechanism, a transmission mechanism, an axial deformation mechanism and a station connecting mechanism 11 which are sequentially connected, wherein the axial deformation mechanism or the station connecting mechanism is provided with an upper limit mechanism and a lower limit mechanism. The upper limit stop mechanism and the lower limit stop mechanism comprise a limit block 13, an upper limit stop 14 and a lower limit stop 15, the limit block 14 is connected to the station connecting mechanism 11, the upper limit stop 14 is located right above the limit block 13, and the lower limit stop 15 is located right below the limit block 13.
Specifically, the driving mechanism comprises a servo motor 10, and the transmission mechanism is a crank-link mechanism 9.
As shown in fig. 2 and 3, the axial deformation mechanism is an elastic deformation mechanism, specifically, the elastic deformation mechanism comprises an upper spring assembly and a lower spring assembly, the upper spring assembly is connected to the front end of the motion rod 8 through a screw 3, the lower spring assembly is sleeved on the motion rod 8, and the lower end of the upper spring assembly is in contact with the upper end of the lower spring assembly; the upper spring assembly may also be directly connected to the upper cap, and screws may be omitted. The lower part of the upper cap 1 is a hollow part, the bottom of the upper cap is open, and the upper spring component and the lower spring component are both positioned in the hollow part. Specifically, go up the spring assembly and include spring 2 and last guide ring 4, lower spring assembly includes down spring 5 and lower guide ring 6, go up spring 2 and lower spring 5 and be the thread spring, go up the guide ring 4 and connect spring 2 lower extreme, lower guide ring 6 connects lower spring 5 lower extreme, lower guide ring 6 is equipped with adjusting ring 7, adjusting ring 7 suit is on motion pole 8, adjusting ring 7 and motion pole 8 sliding connection and be equipped with locking mechanism, locking mechanism can adopt locking mechanism such as bolt, motion pole 8 is the telescopic link, can adopt telescopic link. The upper part of the upper cap 1 is provided with a radial through hole, and the lower part of the motion rod 8 is provided with a mounting hole. The upper guide ring 4 and the lower guide ring 6 can be made of copper alloy or nonmetallic materials such as nylon or polytetrafluoroethylene.
The station connecting mechanism 11 is connected with the upper cap 1 through a radial through hole by a bolt, and the crank connecting rod mechanism 9 is connected with the moving rod 8 through a mounting hole by a bolt. The servo motor 10 is connected with the crank-link mechanism 9, the crank-link mechanism 9 drives the motion rod 8 to reciprocate up and down, the motion rod 8 is connected with the support rod 11, the support rod 11 supports the station 12, when the upward motion reaches the upper station, the servo motor 10 does not stop rotating and can be properly decelerated, the upper spring 2 is compressed due to the compression of the upper limit, the lower spring 5 is stretched, and the waiting of the upper station is realized; similarly, when the downward movement reaches the lower station, the servo motor 10 does not stop, and can be properly decelerated, the upper spring 2 stretches due to the compression of the lower limit, and the lower spring 5 compresses, so that the waiting of the lower station is realized.
The length change of the waiting time of the station can be realized by adjusting the initial state length of the upper spring and the lower spring, namely by adjusting the upper position and the lower position of the adjusting ring 7, and simultaneously adjusting the length of the moving rod to adapt, so that the positions of the upper station and the lower station are ensured; of course, the change in the waiting time of the station can also be achieved by adjusting the rotation speed of the servo motor when the station is stationary.
Of course, the present invention is capable of other various embodiments and its several details are capable of modification and variation in light of the present invention by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. Upper and lower station waiting mechanism, its characterized in that: the device comprises a driving mechanism, a transmission mechanism, an axial deformation mechanism and a station connecting mechanism which are sequentially connected, wherein the station connecting mechanism is provided with an upper limit mechanism and a lower limit mechanism; the upper limit stop is positioned right above the limiting block, and the lower limit stop is positioned right below the limiting block; the axial deformation mechanism is an elastic deformation mechanism;
the elastic deformation mechanism comprises an upper spring assembly and a lower spring assembly, the upper spring assembly is connected with the upper cap, the lower spring assembly is connected with the motion rod, and the lower end of the upper spring assembly is in contact with the upper end of the lower spring assembly; the lower part of the upper cap is a hollow part, the bottom of the upper cap is provided with an opening, the upper spring assembly and the lower spring assembly are both positioned in the hollow part, the upper spring assembly comprises an upper spring and an upper guide ring, the lower spring assembly comprises a lower spring and a lower guide ring, the upper spring and the lower spring are both threaded springs, the upper guide ring is connected with the lower end of the upper spring, and the lower guide ring is connected with the lower end of the lower spring; the lower guide ring is provided with an adjusting ring below, the adjusting ring is sleeved on a moving rod, the adjusting ring is in sliding connection with the moving rod and is provided with a locking mechanism, and the moving rod is a telescopic rod.
2. The upper and lower station waiting mechanism of claim 1, wherein: the driving mechanism comprises a servo motor, and the transmission mechanism is a crank-link mechanism.
3. The upper and lower station waiting mechanism of claim 1, wherein: the upper guide ring and the lower guide ring are made of copper alloy, nylon or polytetrafluoroethylene.
4. The upper and lower station waiting mechanism of claim 1, wherein: the upper part of the upper cap is provided with a radial through hole, and the lower part of the motion rod is provided with a mounting hole; the station connecting mechanism is connected with the upper cap through the radial through hole in a bolt manner, and the crank connecting rod mechanism is connected with the moving rod through the mounting hole in a bolt manner.
5. A control method of a waiting mechanism for up and down stations according to any one of claims 1 to 4, characterized in that: the rotating speed of the servo motor is not zero.
6. The control method according to claim 5, characterized in that: the rotating speed of the servo motor when the limiting block is in contact with the upper limit stop or the lower limit stop is smaller than that of the servo motor when the limiting block is not in contact with the upper limit stop or the lower limit stop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852108.9A CN111828581B (en) | 2020-08-21 | 2020-08-21 | Upper and lower station waiting mechanism and control mode thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010852108.9A CN111828581B (en) | 2020-08-21 | 2020-08-21 | Upper and lower station waiting mechanism and control mode thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111828581A CN111828581A (en) | 2020-10-27 |
| CN111828581B true CN111828581B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010852108.9A Active CN111828581B (en) | 2020-08-21 | 2020-08-21 | Upper and lower station waiting mechanism and control mode thereof |
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| Country | Link |
|---|---|
| CN (1) | CN111828581B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104508B (en) * | 2021-05-07 | 2023-10-27 | 王立炜 | Feeding device of packaging machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244233A (en) * | 1978-01-06 | 1981-01-13 | Brems John Henry | Reciprocating indexing mechanism |
| EP0154155A1 (en) * | 1984-02-02 | 1985-09-11 | Rhein-Getriebe GmbH | Turning drive |
| CN104128798A (en) * | 2013-05-02 | 2014-11-05 | 项星星 | Once forming equipment of screw hole |
| CN108571614A (en) * | 2018-07-11 | 2018-09-25 | 李伟 | A kind of spring reset Electric Actuator drive mechanism and its working method |
| CN110285200A (en) * | 2019-06-20 | 2019-09-27 | 无锡卡罗特精密机械制造有限公司 | A kind of motor driven up-down mechanism |
| CN213981879U (en) * | 2020-08-21 | 2021-08-17 | 王立炜 | Waiting mechanism for upper station and lower station |
-
2020
- 2020-08-21 CN CN202010852108.9A patent/CN111828581B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244233A (en) * | 1978-01-06 | 1981-01-13 | Brems John Henry | Reciprocating indexing mechanism |
| EP0154155A1 (en) * | 1984-02-02 | 1985-09-11 | Rhein-Getriebe GmbH | Turning drive |
| CN104128798A (en) * | 2013-05-02 | 2014-11-05 | 项星星 | Once forming equipment of screw hole |
| CN108571614A (en) * | 2018-07-11 | 2018-09-25 | 李伟 | A kind of spring reset Electric Actuator drive mechanism and its working method |
| CN110285200A (en) * | 2019-06-20 | 2019-09-27 | 无锡卡罗特精密机械制造有限公司 | A kind of motor driven up-down mechanism |
| CN213981879U (en) * | 2020-08-21 | 2021-08-17 | 王立炜 | Waiting mechanism for upper station and lower station |
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| Publication number | Publication date |
|---|---|
| CN111828581A (en) | 2020-10-27 |
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