CN215357325U - Clamping device - Google Patents
Clamping device Download PDFInfo
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- CN215357325U CN215357325U CN202121031441.XU CN202121031441U CN215357325U CN 215357325 U CN215357325 U CN 215357325U CN 202121031441 U CN202121031441 U CN 202121031441U CN 215357325 U CN215357325 U CN 215357325U
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Abstract
The utility model discloses a clamping device, which comprises a driving component, a base, a rotating component and a clamping component, wherein the rotating component is connected to the tail end of the driving component and can be rotatably arranged on the base; the centre gripping subassembly sets up on the base, the centre gripping subassembly includes first clamping part and second clamping part, first clamping part sets up the both sides at the cam subassembly with the second clamping part symmetry, drive arrangement's motion, drive runner assembly's rotation, the rotary motion of centre gripping subassembly with runner assembly changes front and back linear motion, and then the control is located the change of distance between the both sides clamping part, reach the purpose of pressing from both sides tight work piece, the simple structure of whole device, degree of automation is high, the security performance is good, can effectually alleviate operator's intensity of labour, guarantee the operation safety.
Description
Technical Field
The utility model belongs to the technical field of workpiece clamping, and particularly relates to a clamping device.
Background
In current machining and engineering transportation, often need use with holding the device, with the work piece is fixed, convenient transportation and processing, current work piece clamping device structure is complicated, and the stability and the reliability of centre gripping are poor, and degree of automation is low, needs operating personnel manual clamping tightly, after by the fixed centre gripping of clamping part, drops easily at the in-process that removes to seriously influence operating personnel's safety.
In addition, the existing workpiece clamping device cannot adapt to workpieces with different weight specifications, is poor in universality, and greatly influences the application range of the workpiece clamping device.
Disclosure of Invention
The utility model aims to provide a clamping device, which solves the problems that the clamping device in the prior art is complex in structure, complex in clamping process, low in automation degree, high in labor intensity, low in safety degree and the like, and mainly depends on manual clamping of an operator.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:
the utility model provides a clamping device, which comprises:
a drive assembly;
the base is used for fixing and supporting;
the rotating assembly is connected to the tail end of the driving assembly and can be rotatably arranged on the base, and the driving assembly drives the rotating assembly to rotate; the periphery of the rotating assembly is provided with a rotating track, and the distances between the rotating track and a rotating center are not completely equal;
the clamping assembly is arranged on the base and at least comprises two clamping parts, the clamping parts are dispersedly formed on the outer side of the rotating assembly, the clamping parts are connected to the rotating assembly, and along with the rotation of the rotating assembly, the clamping parts are gathered together or deviate from a rotating center at the same time.
In some embodiments of the present application, the cam assembly includes a cam having an elliptical configuration, the cam being disposed on the drive assembly.
In some embodiments of the present application, the driving assembly includes a driving motor and a reducer connected to an end of the driving motor, and the cam is connected to an output shaft of the reducer.
In some embodiments of this application, the clamping part includes first clamping part and second clamping part, first clamping part with the second clamping part all includes guide part, sliding part and forms the clamping part on the sliding part, the guide part is fixed on the base, the clamping part is fixed on the sliding part, the sliding part with the contact of cam edge is connected, and at the cam rotation in-process, the sliding part drives the clamping part along the guide part activity.
In some embodiments of the present application, the guide portions on the grip portion extend from a rotation center of the cam to both sides, respectively.
In some embodiments of the present application, the clamping portion is formed with a clamping groove having an opening direction toward a rotation center of the cam.
In some embodiments of the present application, the sliding portion is formed with a cam bearing follower, and the cam bearing follower is in contact connection with the cam to ensure that the sliding portion moves linearly along the guide portion along with the rotation of the cam during the rotation of the cam.
In some embodiments of the present application, the sliding portion further includes an auxiliary connection assembly, the auxiliary connection assembly includes an elastic member, one end of the elastic member is fixed on the base, and the other end of the elastic member is connected with the sliding portion.
In some embodiments of the present application, the elastic member is a return spring, one end of the return spring is fixed to the base through a first connecting column, and the other end of the return spring is fixed to the sliding portion through a second connecting column.
Compared with the prior art, the utility model has the advantages and positive effects that:
this application passes through drive arrangement's motion, drives runner assembly's rotation, and linear motion around the rotary motion of centre gripping subassembly with runner assembly changes, and then the control is located the change of distance between the both sides clamping part, reaches the purpose of pressing from both sides tight work piece, and the simple structure of whole device, degree of automation is high, and the security performance is good, can effectually alleviate operator's intensity of labour, guarantees to operate safely.
Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of one embodiment of a clamping device as set forth in the present invention;
FIG. 2 is a top view of one embodiment of the clamping device of the present invention;
FIG. 3 is a view A-A of FIG. 2;
FIG. 4 is a side view of one embodiment of a clamping device as set forth in the present invention;
in the figure, the position of the upper end of the main shaft,
10. a drive assembly; 11. a drive motor; 12. a speed reducer;
20. a base;
30. a sliding part;
40. a guide portion;
50. a clamping portion;
60. an elastic member;
70. a first connecting column;
80. a second connecting column;
90. a cam.
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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
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 coupled, may be directly coupled, or may be indirectly coupled through an intermediary. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. 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 utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention 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.
As shown in fig. 1-4, the clamping device of this embodiment includes a driving assembly 10, a base 20, a rotating assembly and a clamping assembly, the driving assembly 10 is located below the base 20, an output end of the driving assembly 10 is connected with the rotating assembly, the driving assembly 10 rotates to drive the rotating assembly to rotate, the clamping assembly is located on the base 20, a through hole is formed in the base 20, the rotating assembly passes through the through hole and freely rotates on the base 20, the rotating assembly rotates, and under the action of the clamping assembly, the rotating motion of the rotating assembly is converted into a linear motion of the clamping assembly, so as to achieve the purpose of clamping a workpiece.
Specifically, a rotating track is formed on the periphery of the rotating assembly, and the distances between the rotating track and a rotating center are not completely equal; the clamping component is in contact connection with the rotating component, and because the distance between the outer circumferential surface of the rotating component and the rotating center is different, the clamping component locks the movement of the rotating component in the peripheral contact process of the rotating component, and the distance between the clamping component and the rotating center is changed accordingly, so that front and back linear displacement is generated.
In order to realize the clamping function, the clamping component comprises at least two clamping parts 50, the clamping parts 50 are dispersedly formed on the outer side of the rotating component, the clamping parts 50 are connected to the rotating component, along with the rotation of the rotating component, the clamping parts 50 gather together or deviate from the rotating center at the same time, when the clamping parts 50 gather together at the same time to the rotating center, the workpiece is clamped, when the rotating center is kept away from at the same time, the workpiece is released, and the purposes of automatically clamping and releasing the workpiece are achieved.
The driving assembly 10 includes a driving motor 11 and a speed reducer 12 connected to the end of the driving motor 11, the cam 90 is connected to the output shaft of the speed reducer 12, the driving motor 11 rotates, and after the speed reduction by the speed reducer 12, the cam 90 is driven to rotate.
In one embodiment of the present application, the cam 90 assembly includes a cam 90, the cam 90 has an elliptical structure, the cam 90 is disposed on the driving assembly 10, and the center of the cam 90 is the rotation center, so that two high points and two low points can exist on the cam 90 at the same time, and there are two maximum distances and two minimum distances from the rotation center symmetrically.
Correspondingly, clamping part 50 includes first clamping part 50 and second clamping part 50, first clamping part 50 and second clamping part 50 all include guide part 40, sliding part 30 and the clamping part 50 that forms on sliding part 30, guide part 40 is fixed on base 20, play the direction and the positioning action to the fore-and-aft movement of sliding part 30, clamping part 50 is fixed on sliding part 30, sliding part 30 is connected with cam 90 edge contact, in cam 90 rotation process, sliding part 30 drives clamping part 50 and moves around along guide part 40.
In order to clamp the workpiece, the guide portions 40 of the first clamping portion 50 and the second clamping portion 50 extend from the rotation center of the cam 90 to both sides, and when the tip of the long axis of the cam 90 contacts the slide portion 30, the clamping portions 50 are in an open state, and the workpiece is placed between the clamping portions 50, and when the tip of the short axis of the cam 90 contacts the slide portion 30, the clamping portions 50 are in a clamped state to clamp the workpiece.
The shape of the cam 90 and the number and distribution positions of the holding portions 50 are not exclusive, and are not particularly limited thereto
In order to clamp the workpiece more effectively and improve the stability of the workpiece, the clamping portion 50 is formed with a clamping groove having an opening directed toward the rotation center of the cam 90, and the workpiece is placed at a clamping position formed by the clamping groove.
The sliding part 30 is formed with a cam 90 bearing follower, which is in contact connection with the cam 90 through the cam 90 bearing follower, so as to ensure that the sliding part 30 moves linearly along the guide part 40 along with the rotation of the cam 90 in the rotation process of the cam 90.
In other embodiments of the present application, an auxiliary connection assembly is further connected to the clamping portion 50, the auxiliary connection assembly includes an elastic member 60, one end of the elastic member 60 is fixed on the base 20, the other end of the elastic member is connected to the sliding portion 30, and the elastic member 60 is used for assisting in connecting the sliding portion 30 to the cam 90, so as to prevent the clamping force or the shaking during transportation from being too large, which may cause the separation between the sliding portion 30 and the cam 90.
Specifically, elastic component 60 is reset spring, and reset spring's one end is fixed on base 20 through first spliced pole 70, and the other end passes through second spliced pole 80 to be fixed on sliding part 30, and in the motion process, reset spring one end is fixed on base 20, and the other end moves along with sliding part 30, has improved its job stabilization nature.
When the device is used for clamping a workpiece, the bearing followers of the cam 90 on the sliding part are pressed on the short shaft of the cam 90 at the moment to realize the clamping operation of the clamping part 50, when the workpiece needs to be loosened, the driving motor 11 drives the cam 90 to rotate through the speed reducer 12 at the moment, and the bearing followers of the cam 90 on the sliding part are in contact with the long shaft end connected to the cam 90 at the moment to realize the opening operation of the clamping part 50 and release the workpiece.
The technical scheme that this application relates to simple structure and compactness, job stabilization is reliable, has realized the centre gripping operation of work piece automatically, can adapt to the load of different specifications through changing extension spring, has improved its work efficiency.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention shall be subject to the claims.
Claims (9)
1. A clamping device, comprising:
a drive assembly;
the base is used for fixing and supporting;
the rotating assembly is connected to the tail end of the driving assembly and can be rotatably arranged on the base, and the driving assembly drives the rotating assembly to rotate; the periphery of the rotating assembly is provided with a rotating track, and the distances between the rotating track and a rotating center are not completely equal;
the clamping assembly is arranged on the base and at least comprises two clamping parts, the clamping parts are dispersedly formed on the outer side of the rotating assembly, the clamping parts are connected to the rotating assembly, and along with the rotation of the rotating assembly, the clamping parts are gathered together or deviate from a rotating center at the same time.
2. Clamping device according to claim 1,
the cam assembly comprises a cam, the cam is of an elliptical structure, and the cam is arranged on the driving assembly.
3. Clamping device according to claim 1,
the driving assembly comprises a driving motor and a speed reducer connected to the tail end of the driving motor, and the cam is connected to an output shaft of the speed reducer.
4. Clamping device according to claim 2,
the clamping part includes first clamping part and second clamping part, first clamping part with the second clamping part all includes guide part, sliding part and forms the clamping part on the sliding part, the guide part is fixed on the base, the clamping part is fixed on the sliding part, the sliding part with the contact of cam edge is connected, at the cam rotation in-process, the sliding part drives the clamping part along the guide part activity.
5. Clamping device according to claim 4,
the guide portions of the clamping portion extend from the center of rotation of the cam to both sides, respectively.
6. Clamping device according to claim 5,
the clamping part is provided with a clamping groove, and the opening direction of the clamping groove faces to the rotation center of the cam.
7. Clamping device according to claim 4,
and a cam bearing follower is formed on the sliding part and is in contact connection with the cam through the cam bearing follower, so that the sliding part is ensured to move linearly along the guide part along with the rotation of the cam in the rotation process of the cam.
8. Clamping device according to claim 4,
still include auxiliary connection subassembly, auxiliary connection subassembly includes the elastic component, elastic component one end is fixed on the base, the other end with the sliding part is connected.
9. Clamping device according to claim 4,
the elastic piece is a return spring, one end of the return spring is fixed on the base through a first connecting column, and the other end of the return spring is fixed on the sliding part through a second connecting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121031441.XU CN215357325U (en) | 2021-05-14 | 2021-05-14 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121031441.XU CN215357325U (en) | 2021-05-14 | 2021-05-14 | Clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN215357325U true CN215357325U (en) | 2021-12-31 |
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ID=79630197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121031441.XU Active CN215357325U (en) | 2021-05-14 | 2021-05-14 | Clamping device |
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| Country | Link |
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| CN (1) | CN215357325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114521950A (en) * | 2022-02-15 | 2022-05-24 | 上海三友医疗器械股份有限公司 | Centrum endoskeleton support component and mounting tool thereof |
| CN115924310A (en) * | 2023-02-20 | 2023-04-07 | 浙江杭绍甬高速公路有限公司 | Prefabricated component clamping device and prefabricated component conveying system |
-
2021
- 2021-05-14 CN CN202121031441.XU patent/CN215357325U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114521950A (en) * | 2022-02-15 | 2022-05-24 | 上海三友医疗器械股份有限公司 | Centrum endoskeleton support component and mounting tool thereof |
| CN115924310A (en) * | 2023-02-20 | 2023-04-07 | 浙江杭绍甬高速公路有限公司 | Prefabricated component clamping device and prefabricated component conveying system |
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