CN110360202B - Mechanical lock device for connecting and positioning - Google Patents
Mechanical lock device for connecting and positioning Download PDFInfo
- Publication number
- CN110360202B CN110360202B CN201910640467.5A CN201910640467A CN110360202B CN 110360202 B CN110360202 B CN 110360202B CN 201910640467 A CN201910640467 A CN 201910640467A CN 110360202 B CN110360202 B CN 110360202B
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- China
- Prior art keywords
- threaded sleeve
- cylinder
- nut
- positioning cylinder
- guiding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 210000002105 tongue Anatomy 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
- F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
- F16B21/20—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts for bolts or shafts without holes, grooves, or notches for locking members
Abstract
A mechanical lock device for connection and positioning belongs to a locking and positioning device and aims to solve the problem of complex structure caused by the fact that a plurality of actuating mechanisms and detection elements are needed to realize connection of two mechanisms or equipment. The invention comprises a motor, a nut, a threaded sleeve, a guiding and positioning cylinder, a torsion spring, a transmission device, a base and a plurality of lock tongues; the motor and the guiding and positioning cylinder are respectively fixed on the base, the threaded sleeve is slidably sleeved on the outer side of the guiding and positioning cylinder, the nut is rotatably arranged on the base through the transmission device and is in threaded fit with the threaded sleeve, the motor drives the nut to rotate through the transmission device, each spring bolt is hinged on the threaded sleeve through a torsion spring, the plurality of spring bolts are equally distributed on the circumference of the threaded sleeve, and the plurality of spring bolts can stretch into the inside of the guiding and positioning cylinder. The invention is suitable for positioning and transferring the tray of the automatic production line and the like.
Description
Technical Field
The invention relates to a mechanical lock device, in particular to a mechanical lock device for connection positioning.
Background
In the industrial field, especially in automation equipment, two mechanisms or equipment are often required for docking and compressing, and not only docking needs to be realized, but also certain docking accuracy needs to be met. The general method is to adopt more feedback elements to detect the butt joint and the pressing condition and drive a plurality of actuating mechanisms to respectively complete the butt joint and the pressing action according to feedback information, which often causes the problems of more complex structure and higher cost.
Disclosure of Invention
The invention provides a mechanical lock device for connection positioning, which aims to solve the problems of complex structure and high cost caused by the fact that a plurality of actuating mechanisms and detection elements are needed to be adopted to realize connection of two mechanisms or equipment.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the device comprises a motor, a nut, a threaded sleeve, a guiding and positioning cylinder, a torsion spring, a transmission device, a base and a plurality of lock tongues;
the motor and the guiding and positioning cylinder are respectively fixed on the base, the threaded sleeve is slidably sleeved on the outer side of the guiding and positioning cylinder, the nut is rotatably arranged on the base through the transmission device and is in threaded fit with the threaded sleeve, the motor drives the nut to rotate through the transmission device, each spring bolt is hinged on the threaded sleeve through a torsion spring, the plurality of spring bolts are equally distributed on the circumference of the threaded sleeve, and the plurality of spring bolts can stretch into the inside of the guiding and positioning cylinder.
Further, the transmission comprises a driving gear and a driven gear;
the driving gear is connected with a shaft of the motor, the driven gear is rotatably arranged on the base, the driving gear is meshed with the driven gear, the nut is fixedly connected to the driven gear, and the nut and the driven gear are concentrically arranged.
Furthermore, a plurality of notches are formed in the circumference of the threaded sleeve, a lock tongue is arranged in each notch, and when the workpiece is in an unlocked state, the lock tongue in each notch on the threaded sleeve is pressed by the torsion spring to be in an open state.
Furthermore, key grooves are respectively machined on the outer cylindrical surface of the guiding and positioning cylinder and the inner cylindrical surface of the screw sleeve, the key grooves of the screw sleeve are through key grooves, and the guiding and positioning cylinder is connected with the screw sleeve through keys.
Furthermore, the guiding and positioning cylinder consists of a conical cylinder and a cylindrical cylinder, the conical cylinder and the cylindrical cylinder are fixedly connected together and are concentric, and the end part of the cylindrical cylinder is fixedly connected to the base.
Compared with the prior art, the invention has the following beneficial effects:
the invention realizes the actions of passing, locking and releasing a locked workpiece by driving a nut through a motor, driving a threaded sleeve to move up and down through the nut to change the swing angle and the position of a lock tongue, and realizing the positioning of the locked workpiece through a guiding and positioning cylinder.
The invention can realize the butt joint locking function without too many high-precision and expensive parts and components, and is suitable for large-scale application on an automatic production line.
The invention has large load dead weight ratio, can realize butt joint and locking of heavier objects by light dead weight, and is suitable for occasions with higher requirements on weight.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the present invention with the locked workpiece in a pass through condition;
FIG. 3 is a schematic view of the present invention with the locked workpiece in a locked condition;
fig. 4 is a schematic view of the present invention with the locked workpiece in a released state.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1, and includes a motor 1, a nut 2, a threaded sleeve 3, a guiding and positioning cylinder 4, a torsion spring 6, a transmission device 7, a base 8 and a plurality of lock tongues 5;
The second embodiment is as follows: the present embodiment is described with reference to fig. 1, and the transmission device 7 of the present embodiment includes a driving gear 7-1 and a driven gear 7-2;
the driving gear 7-1 is connected with a shaft of the motor 1, the driven gear 7-2 is rotatably arranged on the base 8, the driving gear 7-1 is meshed with the driven gear 7-2, the nut 2 is fixedly connected to the driven gear 7-2, and the nut 2 and the driven gear 7-2 are concentrically arranged.
The invention adopts gear transmission to ensure the transmission ratio, the position of the screw sleeve 3 is measured by a position sensor such as a potentiometer and the like and is transmitted to the input end of the PLC, the output end of the PLC controls the start and stop of the motor 1, and the locking and the release of the workpiece 10 can be realized.
Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: referring to fig. 1 to explain the present embodiment, a plurality of notches are formed on the circumference of the screw sleeve 3, each notch is provided with a locking tongue 5, and when a workpiece is in an unlocked state, the locking tongue 5 in each notch on the screw sleeve 3 is pressed by a torsion spring 6 to be in an open state.
Due to the arrangement, the swinging angle of the bolts 5 can be changed when the threaded sleeve 3 passes through the workpiece 10 or the guide positioning cylinder 4, so that the workpiece 10 is in a locked or released state.
Other components and connections are the same as in the first embodiment.
The fourth concrete implementation mode: referring to fig. 1, in the present embodiment, key grooves are respectively formed on an outer cylindrical surface of the guiding and positioning cylinder 4 and an inner cylindrical surface of the screw sleeve 3, the key grooves of the screw sleeve 3 are through key grooves, and the guiding and positioning cylinder 4 and the screw sleeve 3 are connected by a key 9.
The invention is provided with keys, and because the guiding and positioning cylinder 4 is fixed on the base 8, when the motor 1 drives the nut 2 to rotate, the screw sleeve 3 can move along the axial direction of the guiding and positioning cylinder 4.
Other components and connections are the same as in the first embodiment.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1, and the guiding and positioning cylinder 4 of the present embodiment is composed of a conical cylinder and a cylindrical cylinder, the conical cylinder and the cylindrical cylinder are fixed together and are concentric, and an end of the cylindrical cylinder is fixed on the base 8. Other components and connections are the same as in the first embodiment.
The working process is as follows:
the locked workpiece 10 is a shaft with an annular groove at the end part, and a conical surface matched with the conical cylinder on the guiding and positioning cylinder 4 is also processed on the annular groove.
As shown in fig. 1 and fig. 2, when the locked workpiece 10 passes through the guiding and positioning cylinder 4, the workpiece 10 can push the bolt 5 to move downwards, so that the bolt 5 is folded inwards; after the workpiece 10 passes through, the lock tongues 5 are pressed by the torsion spring 6 to move upwards, so that the plurality of lock tongues 5 are clamped into the annular groove of the workpiece 10 to be locked; at this time, the bolt 5 is blocked by the thread insert 3, and the workpiece 10 pushes the bolt 5 away to be separated.
As shown in fig. 3, after the locked workpiece 10 is clamped by the plurality of lock tongues 5, the motor 1 rotates to drive the threaded sleeve 3 to move downward, the threaded sleeve 3 drives the plurality of lock tongues 5 to press the locked workpiece 10, so that the conical surface of the locked workpiece 10 is attached to the conical cylinder on the guiding and positioning cylinder 4, and the positioning accuracy is ensured, and at the moment, each lock tongue 5 is located at the limit position on the threaded sleeve 3.
As shown in fig. 4, when the locked workpiece 10 is released, the motor 1 rotates reversely to drive the threaded sleeve 3 to move in a direction away from the base 8, at this time, the plurality of locking tongues 5 are in a folded state under the action of the guiding and positioning cylinder 4, and at this time, the locked workpiece 10 is released from being bound.
Claims (4)
1. A mechanical lock device for joint positioning, characterized by: the device comprises a motor (1), a nut (2), a threaded sleeve (3), a guiding and positioning cylinder (4), a torsion spring (6), a transmission device (7), a base (8) and a plurality of lock tongues (5);
the motor (1) and the guide positioning cylinder (4) are respectively fixed on the base (8), the threaded sleeve (3) is slidably sleeved on the outer side of the guide positioning cylinder (4), the nut (2) is rotatably arranged on the base (8) through the transmission device (7) and is in threaded fit with the threaded sleeve (3), the motor (1) drives the nut (2) to rotate through the transmission device (7), each lock tongue (5) is hinged on the threaded sleeve (3) through the torsion spring (6), the lock tongues (5) are equally distributed on the circumference of the threaded sleeve (3), and the lock tongues (5) can extend into the guide positioning cylinder (4);
a plurality of notches are processed on the circumference of the threaded sleeve (3), a lock tongue (5) is arranged in each notch, and when a workpiece is in an unlocked state, the lock tongue (5) in each notch on the threaded sleeve (3) is pressed by a torsion spring (6) to be in an open state.
2. A mechanical lock device for joint positioning according to claim 1, characterized in that: the transmission device (7) comprises a driving gear (7-1) and a driven gear (7-2);
the driving gear (7-1) is connected with a shaft of the motor (1), the driven gear (7-2) is rotatably arranged on the base (8), the driving gear (7-1) and the driven gear (7-2) are meshed with each other, the nut (2) is fixedly connected to the driven gear (7-2), and the nut (2) and the driven gear (7-2) are concentrically arranged.
3. A mechanical lock device for joint positioning according to claim 1, characterized in that: key grooves are respectively processed on the outer cylindrical surface of the guide positioning cylinder (4) and the inner cylindrical surface of the screw sleeve (3), the key grooves of the screw sleeve (3) are through key grooves, and the guide positioning cylinder (4) is connected with the screw sleeve (3) through a key (9).
4. A mechanical lock device for joint positioning according to claim 1, characterized in that: the guiding and positioning cylinder (4) is composed of a conical cylinder and a cylindrical cylinder, the conical cylinder and the cylindrical cylinder are fixedly connected together and are concentric, and the end part of the cylindrical cylinder is fixedly connected to the base (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640467.5A CN110360202B (en) | 2019-07-15 | 2019-07-15 | Mechanical lock device for connecting and positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910640467.5A CN110360202B (en) | 2019-07-15 | 2019-07-15 | Mechanical lock device for connecting and positioning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110360202A CN110360202A (en) | 2019-10-22 |
| CN110360202B true CN110360202B (en) | 2020-12-01 |
Family
ID=68219574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910640467.5A Active CN110360202B (en) | 2019-07-15 | 2019-07-15 | Mechanical lock device for connecting and positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110360202B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067230A (en) * | 2020-07-31 | 2020-12-11 | 中国航天空气动力技术研究院 | Lifting positioning mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0247286Y2 (en) * | 1985-02-14 | 1990-12-12 | ||
| CN202331261U (en) * | 2011-12-07 | 2012-07-11 | 楚天科技股份有限公司 | Control component for transmission shaft locking mechanism |
| CN107640705B (en) * | 2017-11-07 | 2023-11-03 | 长沙雅创智能科技有限公司 | Connecting and fixing device for lower end of windproof pull rod piece |
| CN207598706U (en) * | 2017-11-24 | 2018-07-10 | 陈小鸣 | A kind of location locking mechanism of rotating member |
| CN109625341B (en) * | 2018-12-14 | 2021-09-14 | 武汉大学 | Space butt joint positioning device |
-
2019
- 2019-07-15 CN CN201910640467.5A patent/CN110360202B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110360202A (en) | 2019-10-22 |
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