CN111828581A - Waiting mechanism for upper station and lower station and control mode thereof - Google Patents
Waiting mechanism for upper station and lower station and control mode thereof Download PDFInfo
- Publication number
- CN111828581A CN111828581A CN202010852108.9A CN202010852108A CN111828581A CN 111828581 A CN111828581 A CN 111828581A CN 202010852108 A CN202010852108 A CN 202010852108A CN 111828581 A CN111828581 A CN 111828581A
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- Prior art keywords
- station
- limiting
- spring assembly
- spring
- guide ring
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- 230000007246 mechanism Effects 0.000 title claims abstract description 96
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 5
- 230000005489 elastic deformation Effects 0.000 claims description 4
- 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
- 230000033001 locomotion Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
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
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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
- F16H35/14—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 and lower station waiting mechanism which comprises 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 the motor to stop when the station is at the upper and lower stations, thus saving energy and improving work efficiency.
Description
Technical Field
The invention relates to the field of mechanical equipment, in particular to a waiting mechanism for up and down stations.
Background
In an automatic production device, a working mode of up-and-down reciprocating motion is usually required, the motor needs to stay for a certain time length in an upper station and a lower station to complete the working procedure of the stations, the upper station and the lower station are respectively provided with a limiting mechanism, the motor stops rotating in the upper station and the lower station, so that the stay time length is obtained, otherwise the limiting mechanism can be damaged, when the motor is started and braked, the motor has large motion inertia, high control precision requirement, high manufacturing cost, can consume extra energy, is easy to wear the device, and is particularly obvious in high-speed operation, and the motor is not beneficial to the high-speed reciprocating motion of the motor when the motor is suddenly stopped or suddenly started.
Disclosure of Invention
The invention aims to provide a waiting mechanism for the upper station and the lower station, which does not need a motor to stop when the upper station and the lower station are carried out, avoids the sudden stop or the sudden start of the motor, saves energy and improves the working efficiency.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention discloses an up-down station waiting mechanism which comprises 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 limit blocks, upper limit stop blocks and lower limit stop blocks, the limit blocks are connected to the station connecting mechanism, the upper limit stop blocks are located right above the limit blocks, and the lower limit stop blocks are located right below the limit blocks.
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, the upper spring assembly is connected with the upper cap, the lower spring assembly is connected with the moving 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 of the upper cap is open, the upper spring assembly and the lower spring assembly are both located 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 thread 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, the adjusting ring is sleeved on the moving rod, the adjusting ring is connected with the moving rod in a sliding mode and provided with a locking mechanism, and the moving rod is a telescopic rod.
Preferably, the upper guide ring and the lower guide ring are both made of copper alloy, nylon or polytetrafluoroethylene.
Furthermore, the upper part of the upper cap is provided with a radial through hole, and the lower part of the moving rod is provided with a mounting hole; the station connecting mechanism is connected with the upper cap bolt through the radial through hole, and the crank connecting rod mechanism is connected with the moving rod bolt through the mounting hole.
The invention also discloses a control method suitable for the waiting mechanism for up and down stations, 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 limiting block and the lower limiting block, 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 does not contact the upper limiting stop block and the lower limiting stop block, the servo motor rotates at a high speed; when the limiting block contacts the upper limiting stop block or the lower limiting stop block, the servo motor decelerates (but the speed is not 0), and the station is kept static through the deformation of the upper spring or the lower spring, so that waiting in the process of going up and down the station is realized; the length of the upper spring and the length of the lower spring can be adjusted to set the length of the station to be static, and the length of the station to be static, namely the station waiting time, can also be set by adjusting the rotating speed of the servo motor when the station is static.
The invention avoids the following working states of repeated operation under the conditions of variable speed and high-speed operation of the servo motor: stop-high speed-stop-high speed (without the present invention, the behavior of a conventional up-down station waiting mechanism). The invention realizes the waiting of the upper station and the lower station by adopting a deformation mode, does not need the motor to stop rotating when the upper station and the lower station, does not have two stop points, avoids the motor from overcoming larger rotational inertia, has simple control, saves energy and improves the production efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the axial deformation mechanism in the upper station;
FIG. 3 is a schematic view of the axial deformation mechanism in the down position;
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-moving rod, 9-crank link mechanism, 10-servo motor, 11-station connecting mechanism, 12-station, 13-limiting block, 14-upper limiting block and 15-lower limiting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in figure 1, the up-down 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 limiting mechanism and a lower limiting mechanism. The upper limiting mechanism and the lower limiting mechanism comprise limiting blocks 13, upper limiting stop blocks 14 and lower limiting stop blocks 15, the limiting blocks 14 are connected to the station connecting mechanism 11, the upper limiting stop blocks 14 are located right above the limiting blocks 13, and the lower limiting stop blocks 15 are located right below the limiting blocks 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 includes an upper spring assembly and a lower spring assembly, the upper spring assembly is connected to the front end of the moving rod 8 through a screw 3, the lower spring assembly is sleeved on the moving rod 8, and the lower end of the upper spring assembly contacts with the upper end of the lower spring assembly; the upper spring component can also be directly connected with the upper cap, and the screw can 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 assembly and the lower spring assembly are both positioned in the hollow part. Specifically, it includes spring 2 and last guide ring 4 to go up the spring assembly, lower spring assembly includes spring 5 and guide ring 6 down, it is threaded spring to go up spring 2 and spring 5 down, go up guide ring 4 and connect the 2 lower extremes of upper spring, lower guide ring 6 is connected 5 lower extremes of spring down, lower guide ring 6 is equipped with adjustable ring 7, adjustable ring 7 suit is on motion pole 8, adjustable ring 7 and 8 sliding connection of motion pole 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 moving 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 nonmetal 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 connecting rod mechanism 9, the crank connecting rod mechanism 9 drives the moving rod 8 to reciprocate up and down, the moving rod 8 is connected with the supporting rod 11, the supporting rod 11 supports the station 12, when the moving rod moves up to reach the upper station, the servo motor 10 does not stop rotating and can properly decelerate, the upper spring 2 is compressed and the lower spring 5 is stretched due to the compression of the upper limit, so that the waiting of the upper station is realized; similarly, when the downward movement reaches the lower station, the servo motor 10 does not stop rotating and can properly decelerate, and due to the pressing of the lower limit, the upper spring 2 is stretched, the lower spring 5 is compressed, and the waiting of the lower station is realized.
The waiting time of the stations can be changed by adjusting the lengths of the initial states of the upper spring and the lower spring, namely, the upper position and the lower position of the adjusting ring 7, and meanwhile, the length of the adjusting moving rod is adapted to ensure the positions of the upper station and the lower station; of course, the length of time that the workstation waits can also be changed by adjusting the rotational speed of the servo motor when the workstation is stationary.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. Station waiting mechanism from top to bottom, its characterized in that: the device comprises a driving mechanism, a transmission mechanism, an axial deformation mechanism and a station connecting mechanism which are connected in sequence, wherein the axial deformation mechanism or the station connecting mechanism is provided with an upper limiting mechanism and a lower limiting mechanism.
2. The upper and lower station waiting mechanism according to claim 1, wherein: the upper limiting mechanism and the lower limiting mechanism comprise limiting blocks, upper limiting stop blocks and lower limiting stop blocks, the limiting blocks are connected to the station connecting mechanisms, the upper limiting stop blocks are located right above the limiting blocks, and the lower limiting stop blocks are located right below the limiting blocks. Respectively.
3. The upper and lower station waiting mechanism according to claim 2, wherein: 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.
4. The upper and lower station waiting mechanism according to claim 3, wherein: the spring 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 moving rod, and the lower end of the upper spring assembly is in contact with the upper end of the lower spring assembly.
5. The upper and lower station waiting mechanism according to claim 4, wherein: the upper cap lower part is hollow, the bottom is open, the upper spring assembly and the lower spring assembly are both located 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 thread springs, the upper guide ring is connected with the upper spring lower end, and the lower guide ring is connected with the lower spring lower end.
6. The upper and lower station waiting mechanism according to claim 4, wherein: an adjusting ring is arranged below the lower guide ring and sleeved on the moving rod, the adjusting ring is connected with the moving rod in a sliding mode and provided with a locking mechanism, and the moving rod is a telescopic rod.
7. The upper and lower station waiting mechanism according to claim 5, wherein: the upper guide ring and the lower guide ring are both made of copper alloy, nylon or polytetrafluoroethylene.
8. The upper and lower station waiting mechanism according to claim 5, wherein: the upper part of the upper cap is provided with a radial through hole, and the lower part of the moving rod is provided with a mounting hole; the station connecting mechanism is connected with the upper cap bolt through the radial through hole, and the crank connecting rod mechanism is connected with the moving rod bolt through the mounting hole.
9. The method for controlling the upper and lower work waiting mechanism according to any one of claims 3 to 8, wherein: the rotating speed of the servo motor is not zero.
10. The control method according to claim 9, characterized in that: the rotating speed of the servo motor when the limiting block is contacted with the upper limiting stop block or the lower limiting stop block is less than the rotating speed of the servo motor when the limiting block is not contacted with the upper limiting stop block or the lower limiting stop block.
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 true CN111828581A (en) | 2020-10-27 |
| CN111828581B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104508A (en) * | 2021-05-07 | 2021-07-13 | 王立炜 | Feeding device of packaging machinery |
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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104508A (en) * | 2021-05-07 | 2021-07-13 | 王立炜 | Feeding device of packaging machinery |
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| Publication number | Publication date |
|---|---|
| CN111828581B (en) | 2024-02-27 |
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