CN215919658U - Clamping and rotating mechanism - Google Patents
Clamping and rotating mechanism Download PDFInfo
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- CN215919658U CN215919658U CN202121814878.0U CN202121814878U CN215919658U CN 215919658 U CN215919658 U CN 215919658U CN 202121814878 U CN202121814878 U CN 202121814878U CN 215919658 U CN215919658 U CN 215919658U
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Abstract
The embodiment of the application provides a clamping and rotating mechanism, which comprises a fixing piece, a first driving mechanism, a second driving mechanism and a grabbing mechanism; the grabbing mechanism comprises a first rotating shaft, at least two grabbing arms connected with the first end of the first rotating shaft, a first connecting piece and a first external member, wherein the first connecting piece is used for rotatably connecting the grabbing arms and the first rotating shaft, the first external member is sleeved on the first rotating shaft, two ends of the first connecting piece are fixed in the first rotating shaft, one end of each grabbing arm is provided with an elastic piece, the elastic pieces are attached to the first rotating shaft and are fixedly connected with the first rotating shaft, and one end of the first external member is in abutting connection with the other end of each grabbing arm; the first driving mechanism is fixed on the fixing piece and connected with the first rotating shaft and used for driving the first rotating shaft to rotate so as to drive the grabbing arm to rotate; the second driving mechanism is fixed on the fixing piece and comprises a follower which is fixedly connected with the first sleeve, and the second driving mechanism is used for driving the first sleeve to move so as to enable the grabbing arm to be opened or contracted.
Description
Technical Field
The application relates to the technical field of product screwing, in particular to a clamping and rotating mechanism.
Background
When a product is screwed down, the product is usually screwed down manually, and the manual screwing mode has the defects of low working efficiency and higher labor cost.
Therefore, the prior art has defects and needs to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a press from both sides tight rotary mechanism, can replace the mode of artifical screw up product, work efficiency is high.
The embodiment of the application provides a clamping and rotating mechanism, which comprises a fixing piece, a first driving mechanism, a second driving mechanism and a grabbing mechanism;
the grabbing mechanism comprises a first rotating shaft, at least two grabbing arms connected with a first end of the first rotating shaft, a first connecting piece used for rotatably connecting the grabbing arms with the first rotating shaft, and a first sleeve piece sleeved on the first rotating shaft, wherein two ends of the first connecting piece are fixed in the first rotating shaft, one end of each grabbing arm is provided with an elastic piece, the elastic piece is attached to the first rotating shaft and is fixedly connected with the first rotating shaft, and one end of the first sleeve piece is connected with the other end of each grabbing arm in an abutting mode;
the first driving mechanism is fixed on the fixing piece, is connected with the first rotating shaft and is used for driving the first rotating shaft to rotate so as to drive the grabbing arm to rotate;
the second driving mechanism is fixed on the fixing piece and comprises a follower, the follower is clamped on the first sleeve, and the second driving mechanism drives the first sleeve to move so as to enable the grabbing arm to be opened or contracted.
In the clamping and rotating mechanism in the embodiment of the application, the first driving mechanism comprises a first driving sub-mechanism, a second connecting piece, a speed reducing mechanism and a third connecting piece, the first driving sub-mechanism comprises a second rotating shaft, the speed reducing mechanism comprises a third rotating shaft, the second connecting piece is used for connecting the second rotating shaft and the third rotating shaft, and the third connecting piece is used for connecting the third rotating shaft and the first rotating shaft.
In the clamping and rotating mechanism according to the embodiment of the present application, the first driving sub-mechanism is a servo motor.
In the clamping and rotating mechanism according to the embodiment of the present application, the speed reduction mechanism is a speed reducer.
In the clamping and rotating mechanism according to the embodiment of the present application, the second connecting member and the third connecting member are couplers.
In the clamping and rotating mechanism in the embodiment of the application, the second driving mechanism further comprises a second driving sub-mechanism, a fourth connecting piece, a rotating piece and a fifth connecting piece, the second driving sub-mechanism is fixedly connected with the fixing piece, the second driving sub-mechanism comprises a telescopic rod, the fourth connecting piece is used for connecting the telescopic rod with the rotating piece, the fifth connecting piece is used for connecting the fixing piece with the rotating piece, wherein the rotating piece is connected with the fifth connecting piece in a rotating manner.
In the clamping and rotating mechanism according to the embodiment of the present application, the second driving sub-mechanism is an air cylinder.
In the clamping and rotating mechanism according to the embodiment of the present application, the follower is a follower.
In the clamping and rotating mechanism according to the embodiment of the present application, the elastic member is a spring plate.
In the clamping and rotating mechanism according to the embodiment of the present application, the gripping mechanism further includes a second sleeve, and the second sleeve is disposed between the first sleeve and the first rotating shaft.
According to the clamping and rotating mechanism provided by the embodiment of the application, the first sleeve is driven to move through the second driving mechanism, when the first sleeve extrudes the grabbing arms which are abutted against the first sleeve, the grabbing arms are extruded to be reduced, namely the area of a circular area defined by at least two grabbing arms is reduced, and at the moment, the elastic parts on the grabbing arms have certain elasticity; when the first sleeve does not extrude the grabbing arms abutted to the first sleeve, the elastic force of the elastic pieces on the grabbing arms elastically pushes the grabbing arms outwards, and a circular area surrounded by at least two grabbing arms is enlarged, so that the opening or the reduction of the grabbing arms is controlled through the second driving mechanism; when grabbing the arm and already clenching the part, then it is rotatory through first slewing axis of a driving mechanism drive to it is rotatory to drive and snatch the arm, thereby screws up this part, compares in the mode that adopts artifical screw up part, screws up the part through the tight rotary mechanism of clamp that this application embodiment provided, and work efficiency is higher.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a general view of a clamping and rotating mechanism provided in an embodiment of the present application.
Fig. 2 is an exploded view of a clamping and rotating mechanism provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
The embodiment of the present application provides a clamping and rotating mechanism 1000, and referring to fig. 1 and fig. 2, the clamping and rotating mechanism 1000 includes a fixed member 10, a first driving mechanism 20, a second driving mechanism 30, and a grasping mechanism 40.
The grabbing mechanism 40 includes a first rotating shaft 401, at least two grabbing arms 402 connected to a first end 4011 of the first rotating shaft 401, a first connecting member (hidden in the drawing and not visible) for rotatably connecting the grabbing arms 402 and the first rotating shaft 401, and a first sleeve 404 sleeved on the first rotating shaft 401, wherein two ends of the first connecting member are fixed in the first rotating shaft 401, an elastic member 50 is disposed at one end of the grabbing arms 402, the elastic member 50 is attached to the first rotating shaft 401 and is fixedly connected to the first rotating shaft 401, and a first end 4041 of the first sleeve 404 is connected to the other end of the grabbing arms 402 in an abutting manner.
Wherein, the number of the grabbing arms 402 can be three, thereby forming a triangular claw structure. It should be noted that the number of the grabbing arms 402 is at least two, and the specific number is not limited herein, and those skilled in the art can specifically set the number according to actual needs.
The first driving mechanism 20 is fixed on the fixing member 10, and the first driving mechanism 20 is connected to the first rotating shaft 401 for driving the first rotating shaft 401 to rotate so as to drive the grabbing arm 402 to rotate.
The second driving mechanism 30 is fixed on the fixing member 10, the second driving mechanism 30 includes a follower 60, the follower 60 is clamped on the first sleeve 404, and the second driving mechanism 30 is used for driving the first sleeve 404 to move, so as to expand or contract the grabbing arm 402.
The working principle of the clamping and rotating mechanism of the embodiment of the application is as follows: when the grabbing arm 402 is to be contracted (i.e. the area of the circular area surrounded by at least two grabbing arms 402 is reduced), the first sleeve 404 is driven to move downwards by the second driving mechanism 30, the first sleeve 404 presses the grabbing arm 402 which is in contact with the first sleeve 404, the grabbing arm 402 is pressed to be contracted, and at this time, the elastic member 50 on the grabbing arm 402 has a certain elastic force; when the grabbing arms 402 are opened (that is, the area of the circular area surrounded by at least two grabbing arms 402 is enlarged), the second driving mechanism 30 drives the first sleeve 404 to move upward, the first sleeve 404 does not press the grabbing arms 402 against the first sleeve 404, at this time, the elastic members 50 on the grabbing arms 402 have elastic force to spring the grabbing arms 402 outward, and then the grabbing arms 402 are opened; when the gripper arm 402 has gripped the part, the first spindle 401 is driven to rotate by the first driving mechanism 20 to rotate the gripper arm 402, thereby tightening the part.
Compare in the mode that adopts artifical screw up part, screw up the part through the tight rotary mechanism of clamp that this application embodiment provided, work efficiency is higher.
In some embodiments, the first driving mechanism 20 includes a first driving sub-mechanism 201, a second connecting member 202, a speed reducing mechanism 203, and a third connecting member 204, the first driving sub-mechanism 201 includes a second rotating shaft (hidden from view), the speed reducing mechanism 203 includes a third rotating shaft 2031, the second connecting member 202 is used for connecting the second rotating shaft and the third rotating shaft 2031, and the third connecting member 204 is used for connecting the third rotating shaft 2031 and the first rotating shaft 401.
The driving force of the first driving sub-mechanism 201 is transmitted to the first rotating shaft 401 sequentially through the second connecting member 202, the speed reducing mechanism 203 and the third connecting member 204, so as to drive the first rotating shaft 401 to rotate.
In some embodiments, the first drive sub-mechanism 201 is a servo motor.
The servo motor is an engine which controls mechanical elements to operate in a servo system, and is an auxiliary motor indirect speed changing device. The servo motor is adopted as the first driving sub-mechanism 201 because the servo motor can effectively control the number of turns and the force of rotation, and the consistency is ensured. The servomotor can be fixedly connected to the fastening element 10 via its housing.
In some embodiments, the reduction mechanism 203 is a reducer.
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The speed reducer plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or the actuating mechanism, and is a relatively precise machine. Its purpose is to reduce the speed and increase the torque. The speed reducer can be fixedly connected with the fixing member 10 through a housing thereof.
In some embodiments, the second connector 202 and the third connector 204 are couplings.
The coupling is a device which connects two shafts or a shaft and a rotating part, rotates together in the process of transmitting motion and power and does not separate under normal conditions. The coupling is also called coupling, and is used for firmly connecting a driving shaft and a driven shaft in different mechanisms to rotate together and transmitting mechanical components of movement and torque.
In some embodiments, the second driving mechanism 30 includes a second driving sub-mechanism 301, a fourth connecting member 302, a rotating member 303 and a fifth connecting member 304, the second driving sub-mechanism 301 is fixedly connected to the fixing member 10, the second driving sub-mechanism 301 includes a telescopic rod (hidden from view in the drawings), the fourth connecting member 302 is used for connecting the telescopic rod with the rotating member 303, the fifth connecting member 304 is used for connecting the fixing member 10 with the rotating member 303, wherein the rotating member 303 is rotatably connected with the fifth connecting member 304.
When the telescopic rod of the second driving sub-mechanism 301 continues to extend outward, the fourth connecting member 302 drives the rotating member 303 to rotate relative to the fifth connecting member 304, the rotation of the rotating member 303 drives the follower 60 fixed on the rotating member 303 to move, and the movement of the follower 60 drives the first sleeve 404 to move, so that the grabbing arm 402 is opened or contracted. The rotating member 303 and the fifth connecting member 304 may be rotatably connected by a pin.
In some embodiments, the second driver sub-mechanism 301 is a pneumatic cylinder.
Wherein the cylinder is a cylindrical metal part which guides the piston to perform linear reciprocating motion in the cylinder. That is, when the second driving sub-mechanism 301 is an air cylinder, the telescopic rod is a piston rod of the air cylinder and can be freely extended and retracted.
In some embodiments, the follower 60 is a follower.
In some embodiments, the resilient member 50 is a spring plate.
Wherein, the spring plate is adopted as the elastic member 50, which can better control the opening or the contraction of the grabbing arm 402.
In some embodiments, the grasping mechanism 40 further includes a second sleeve (hidden from view) disposed between the first sleeve 404 and the first shaft 401.
The second sleeve is disposed between the first sleeve 404 and the first rotating shaft 401 to prevent the first sleeve 404 from scratching the first rotating shaft 401 during movement.
In some embodiments, the first sleeve 404 includes male and female threads, a first end of the first sleeve 404 is the female thread, a second end of the first sleeve 404 is the male thread, and an end of the male thread adjacent to the female thread is threaded into the female thread.
In summary, the clamping and rotating mechanism 1000 provided in the embodiment of the present application drives the first sleeve 404 to move through the second driving mechanism 30, when the first sleeve 404 presses the grabbing arm 402 abutting against the first sleeve 404, the grabbing arm 402 is pressed to be reduced, that is, the area of the circular area surrounded by at least two grabbing arms 402 is reduced, and at this time, the elastic member 50 on the grabbing arm 402 has a certain elastic force; when the first sleeve 404 does not press the grabbing arms 402 abutting against the first sleeve 404, the elastic force of the elastic member 50 on the grabbing arms 402 springs the grabbing arms 402 outwards, so that the circular area surrounded by at least two grabbing arms 402 is enlarged, and the opening or the shrinking of the grabbing arms 402 is controlled by the second driving mechanism 30; when the grabbing arm 402 already grasps the part, the first rotating shaft 401 is driven to rotate through the first driving mechanism 20 so as to drive the grabbing arm 402 to rotate, and therefore the part is screwed, compared with a mode of manually screwing the part, the part is screwed through the clamping and rotating mechanism provided by the embodiment of the application, and the working efficiency is higher.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The clamping and rotating mechanism provided by the embodiment of the present application is described in detail above, and a specific example is applied in the description to explain the principle and the implementation of the present application, and the description of the above embodiment is only used to help understanding the technical solution and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A clamping and rotating mechanism is characterized by comprising a fixing piece, a first driving mechanism, a second driving mechanism and a grabbing mechanism;
the grabbing mechanism comprises a first rotating shaft, at least two grabbing arms connected with a first end of the first rotating shaft, a first connecting piece used for rotatably connecting the grabbing arms with the first rotating shaft, and a first sleeve piece sleeved on the first rotating shaft, wherein two ends of the first connecting piece are fixed in the first rotating shaft, one end of each grabbing arm is provided with an elastic piece, the elastic piece is attached to the first rotating shaft and is fixedly connected with the first rotating shaft, and a first end of the first sleeve piece is connected with the other end of each grabbing arm in an abutting mode;
the first driving mechanism is fixed on the fixing piece, is connected with the first rotating shaft and is used for driving the first rotating shaft to rotate so as to drive the grabbing arm to rotate;
the second driving mechanism is fixed on the fixing piece and comprises a follower, the follower is clamped on the first sleeve, and the second driving mechanism is used for driving the first sleeve to move so as to enable the grabbing arm to be opened or contracted.
2. The clamping and rotating mechanism according to claim 1, wherein the first driving mechanism includes a first driving sub-mechanism, a second connecting member, a speed reducing mechanism and a third connecting member, the first driving sub-mechanism includes a second rotating shaft, the speed reducing mechanism includes a third rotating shaft, the second connecting member is used for connecting the second rotating shaft and the third rotating shaft, and the third connecting member is used for connecting the third rotating shaft and the first rotating shaft.
3. The clamping rotation mechanism of claim 2, wherein the first drive sub-mechanism is a servo motor.
4. The clamping rotation mechanism of claim 3, wherein the reduction mechanism is a reducer.
5. The clamping rotation mechanism of claim 4, wherein the second connector and the third connector are couplers.
6. The clamping and rotating mechanism of claim 1, wherein the second driving mechanism further comprises a second driving sub-mechanism, a fourth connecting member, a rotating member and a fifth connecting member, the second driving sub-mechanism is fixedly connected with the fixed member, the second driving sub-mechanism comprises a telescopic rod, the fourth connecting member is used for connecting the telescopic rod with the rotating member, the fifth connecting member is used for connecting the fixed member with the rotating member, and the rotating member is rotatably connected with the fifth connecting member.
7. The clamping rotation mechanism of claim 6, wherein the second drive sub-mechanism is a pneumatic cylinder.
8. The clamping rotation mechanism of claim 1, wherein the follower is a follower.
9. The clamping rotation mechanism of claim 1, wherein the resilient member is a spring plate.
10. The clamping rotation mechanism of claim 1, wherein the gripping mechanism further comprises a second sleeve disposed between the first sleeve and the first shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814878.0U CN215919658U (en) | 2021-08-04 | 2021-08-04 | Clamping and rotating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814878.0U CN215919658U (en) | 2021-08-04 | 2021-08-04 | Clamping and rotating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215919658U true CN215919658U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121814878.0U Active CN215919658U (en) | 2021-08-04 | 2021-08-04 | Clamping and rotating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215919658U (en) |
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2021
- 2021-08-04 CN CN202121814878.0U patent/CN215919658U/en active Active
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