CN210360436U - Clamping mechanism - Google Patents
Clamping mechanism Download PDFInfo
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- CN210360436U CN210360436U CN201920960644.3U CN201920960644U CN210360436U CN 210360436 U CN210360436 U CN 210360436U CN 201920960644 U CN201920960644 U CN 201920960644U CN 210360436 U CN210360436 U CN 210360436U
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- driving
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000008602 contraction Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 230000009471 action Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model provides a clamping mechanism, include: the guide piece is provided with a plurality of guide pieces; the clamping piece is provided with a plurality of clamping parts, the plurality of clamping pieces are arranged on the plurality of guide pieces in a one-to-one correspondence manner, and the clamping pieces are movably arranged along the corresponding guide pieces so as to clamp the workpiece through the plurality of clamping parts when the clamping pieces move along the guide pieces; the driving piece is rotatably arranged around a preset axis; the driving medium, the driving medium is a plurality of, and a plurality of driving mediums all are articulated with the driving piece, and a plurality of driving mediums are articulated with a plurality of holders one-to-one to when the driving piece rotates, drive a plurality of holders along the guide motion that corresponds through a plurality of driving mediums. The utility model discloses a fixture has solved the poor problem of fixture's centre gripping effect among the prior art.
Description
Technical Field
The utility model relates to the field of machinary, particularly, relate to a fixture.
Background
In an automated production workshop, a clamping mechanism is often used for clamping workpieces so as to facilitate the transfer or processing of the workpieces.
The existing clamping mechanism mostly adopts a mode that a clamping plate is driven by a cylinder to move to clamp a workpiece, in order to ensure the clamping effect of the workpiece, the workpiece is required to be clamped by a plurality of cylinders and a plurality of clamping plates from different directions, and the clamping mechanism is complex in structure; in addition, it is difficult to accurately control the synchronous operation of each cylinder, and the workpiece is easy to shift due to asynchronous actions of each cylinder in the clamping process, so that the clamping effect is poor.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a clamping mechanism to solve the problem of poor clamping effect of the clamping mechanism in the prior art.
In order to achieve the above object, the utility model provides a fixture, include: the guide piece is provided with a plurality of guide pieces; the clamping piece is provided with a plurality of clamping parts, the plurality of clamping pieces are arranged on the plurality of guide pieces in a one-to-one correspondence manner, and the clamping pieces are movably arranged along the corresponding guide pieces so as to clamp the workpiece through the plurality of clamping parts when the clamping pieces move along the guide pieces; the driving piece is rotatably arranged around a preset axis; the driving medium, the driving medium is a plurality of, and a plurality of driving mediums all are articulated with the driving piece, and a plurality of driving mediums are articulated with a plurality of holders one-to-one to when the driving piece rotates, drive a plurality of holders along the guide motion that corresponds through a plurality of driving mediums.
Further, a plurality of guide members are provided around the predetermined axis, each of the guide members extending in a direction perpendicular to the predetermined axis.
Furthermore, the guide piece is a first slide rail, the first slide rail is strip-shaped, the clamping piece is a first slide block, a slide groove matched with the first slide rail is formed in the first slide block, and the first slide block is slidably installed on the first slide rail through the slide groove.
Furthermore, the driving piece is provided with a plurality of strip-shaped protruding parts which are uniformly arranged around a preset axis; the transmission pieces are hinged with the end parts of the protruding parts in a one-to-one correspondence mode.
Furthermore, the clamping mechanism further comprises a driving device, and the output end of the driving device is in driving connection with the driving piece so as to drive the driving piece to rotate through the driving device.
Further, the driving device comprises an air cylinder, and an air cylinder rod of the air cylinder is hinged with the driving piece so as to drive the driving piece to rotate through the expansion and contraction of the air cylinder rod.
Further, a first articulation having a first axis of rotation is formed between the cylinder rod and the driver, and a second articulation having a second axis of rotation is formed between the driver and the driver, the first axis of rotation coinciding with one of the plurality of second axes of rotation.
Further, the driving device further comprises a linear driving part, and an output end of the linear driving part is connected with the air cylinder to drive the air cylinder to move along a direction perpendicular to the preset axis.
Further, the linear driving section includes: a rotary drive source; the screw rod is connected with an output shaft of the rotary driving source; a second slide rail extending in a direction perpendicular to the predetermined axis; the second sliding block is connected with the air cylinder, can be slidably arranged on the second sliding rail, and is provided with a threaded through hole matched with the screw rod; the screw rod is installed in the screw thread through-hole to when the rotary driving source rotated, along the motion of second slide rail through screw rod drive second slider and cylinder, in order to drive driving piece and rotate.
Further, the clamping mechanism also comprises a support piece, and the support piece is provided with a first end face and a second end face which are oppositely arranged; the guide piece is fixedly arranged on the first end face, the linear driving part is arranged on the second end face, the support piece is provided with an opening extending to the first end face and the second end face, and the air cylinder rod is hinged with the driving piece through a connecting shaft arranged in the opening in a penetrating mode.
Use the technical scheme of the utility model's fixture includes: the guide piece is provided with a plurality of guide pieces; the clamping piece is provided with a plurality of clamping parts, the plurality of clamping pieces are arranged on the plurality of guide pieces in a one-to-one correspondence manner, and the clamping pieces are movably arranged along the corresponding guide pieces so as to clamp the workpiece through the plurality of clamping parts when the clamping pieces move along the guide pieces; the driving piece is rotatably arranged around a preset axis; the driving medium, the driving medium is a plurality of, and a plurality of driving mediums all are articulated with the driving piece, and a plurality of driving mediums are articulated with a plurality of holders one-to-one to when the driving piece rotates, drive a plurality of holders along the guide motion that corresponds through a plurality of driving mediums. When the driving piece rotates, under the transmission action of the transmission piece, the clamping pieces can be driven to move along the guide pieces simultaneously, synchronous action of the clamping pieces is guaranteed, the problem of workpiece deviation caused by asynchronous action of the clamping pieces in the clamping process is avoided, and the clamping effect on the workpiece is improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a first viewing angle of an embodiment of a clamping mechanism according to the invention;
fig. 2 shows a schematic structural diagram of a second viewing angle of an embodiment of a clamping mechanism according to the invention.
Wherein the figures include the following reference numerals:
1. a guide member; 2. a clamping member; 3. a clamping portion; 4. a drive member; 41. a boss portion; 5. a transmission member; 6. a drive device; 61. a cylinder; 611. a cylinder rod; 62. a linear driving section; 621. a rotary drive source; 622. a second slide rail; 623. a second slider; 7. a support member; 71. and (4) opening.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 2, the present invention provides a clamping mechanism, including: a plurality of guide members 1, wherein the guide members 1 are provided; the clamping device comprises a clamping piece 2, wherein a plurality of clamping parts 3 are arranged on the clamping piece 2, the clamping piece 2 is arranged on a plurality of guide pieces 1 in a one-to-one correspondence manner, and the clamping piece 2 is movably arranged along the corresponding guide pieces 1 so as to clamp a workpiece through the plurality of clamping parts 3 when the clamping piece 2 moves along the guide pieces 1; a driving member 4, the driving member 4 being rotatably disposed about a predetermined axis; driving medium 5, driving medium 5 are a plurality of, and a plurality of driving mediums 5 all are articulated with driving piece 4, and a plurality of driving mediums 5 are articulated with a plurality of holders 2 one-to-one to when driving piece 4 rotates, drive a plurality of holders 2 through a plurality of driving mediums 5 and move along the guide 1 that corresponds.
The utility model discloses a fixture includes: a plurality of guide members 1, wherein the guide members 1 are provided; the clamping device comprises a clamping piece 2, wherein a plurality of clamping parts 3 are arranged on the clamping piece 2, the clamping piece 2 is arranged on a plurality of guide pieces 1 in a one-to-one correspondence manner, and the clamping piece 2 is movably arranged along the corresponding guide pieces 1 so as to clamp a workpiece through the plurality of clamping parts 3 when the clamping piece 2 moves along the guide pieces 1; a driving member 4, the driving member 4 being rotatably disposed about a predetermined axis; driving medium 5, driving medium 5 are a plurality of, and a plurality of driving mediums 5 all are articulated with driving piece 4, and a plurality of driving mediums 5 are articulated with a plurality of holders 2 one-to-one to when driving piece 4 rotates, drive a plurality of holders 2 through a plurality of driving mediums 5 and move along the guide 1 that corresponds. When the driving part 4 rotates, under the transmission effect of the transmission part 5, the plurality of clamping parts 2 can be driven to move along the plurality of guide parts 1 at the same time, the synchronous action of each clamping part 2 is ensured, the problem of workpiece deviation caused by asynchronous action of each clamping part 2 in the clamping process is avoided, and the clamping effect on the workpiece is improved.
In order to ensure the clamping effect on the workpiece, a plurality of guides 1 are arranged around a predetermined axis, each guide 1 extending in a direction perpendicular to the predetermined axis.
In this embodiment, the driving member 4 is rotatably connected to the supporting member 7 by a rotating shaft, and the axis of the rotating shaft coincides with the predetermined axis.
During specific implementation, the guide part 1 is a first slide rail which is in a strip shape, the clamping part 2 is a first slide block, a slide groove matched with the first slide rail is formed in the first slide block, and the first slide block is slidably installed on the first slide rail through the slide groove.
As shown in fig. 1, the driving member 4 has a plurality of protrusions 41, the protrusions 41 are strip-shaped, and the plurality of protrusions 41 are uniformly arranged around a predetermined axis; the plurality of transmission members 5 are hinged to the end portions of the plurality of protrusions 41 in one-to-one correspondence. Preferably, the distances from the hinge points of the transmission members 5 and the protrusions 41 to the predetermined axis are equal, so that the driving members 4 can drive the clamping members 2 to act synchronously, and the clamping effect on the workpiece is improved.
Further, the clamping mechanism further comprises a driving device 6, and an output end of the driving device 6 is in driving connection with the driving member 4 so as to drive the driving member 4 to rotate through the driving device 6.
In specific implementation, the driving device 6 may be a motor, and an output shaft of the motor is connected to the shaft of the driving member 4, so as to drive the driving member 4 to rotate through the motor.
Specifically, the driving device 6 comprises a cylinder 61, and a cylinder rod 611 of the cylinder 61 is hinged with the driving member 4 so as to drive the driving member 4 to rotate through the expansion and contraction of the cylinder rod 611. The cylinder rod 611 of the cylinder 61 is hinged to the driving part 4, the driving part 4 is driven to rotate through the stretching of the cylinder rod 611, the workpiece can be clamped quickly, the clamping effect of the cylinder belongs to flexible clamping, and the workpiece can be prevented from being damaged.
In this embodiment, a first articulation with a first axis of rotation is formed between the cylinder rod 611 and the driver 4, and a second articulation with a second axis of rotation is formed between the transmission 5 and the driver 4, the first axis of rotation coinciding with one of the second axes of rotation. Therefore, the force arm acted by the cylinder 61 can be effectively increased, the clamping force is increased, and the clamping stability of the workpiece is improved.
Further, the driving device 6 further includes a linear driving part 62, and an output end of the linear driving part 62 is connected to the cylinder 61 to drive the cylinder 61 to move in a direction perpendicular to the predetermined axis. The linear driving part 62 can drive the cylinder 61 to move, so as to drive the clamping pieces 2 to move greatly, clamp workpieces quickly or adjust the positions of the clamping pieces 2 to adapt to workpieces with different sizes, and then clamp the workpieces through the action of the cylinder 61.
Specifically, the linear driving section 62 includes: a rotation drive source 621; a screw connected to an output shaft of the rotation driving source 621; a second slide rail 622, the second slide rail 622 extending in a direction perpendicular to the predetermined axis; the second sliding block 623 is connected with the air cylinder 61, the second sliding block 623 is slidably mounted on the second sliding rail 622, and a threaded through hole matched with the screw rod is formed in the second sliding block 623; the screw is installed in the threaded through hole, so that when the rotary driving source 621 rotates, the second slider 623 and the cylinder 61 are driven by the screw to move along the second slide rail 622, so as to drive the driving member 4 to rotate.
In this embodiment, the clamping mechanism further comprises a support 7, the support 7 having a first end face and a second end face which are oppositely arranged; the guide members 1 are fixedly arranged on the first end surface, the linear driving part 62 is arranged on the second end surface, the support member 7 is provided with an opening 71 extending to the first end surface and the second end surface, and the cylinder rod 611 is hinged with the driving member 4 through a connecting shaft arranged in the opening 71 in a penetrating way. Preferably, the supporting member 7 is a circular plate structure, and the opening 71 is a bar shape.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses a fixture includes: a plurality of guide members 1, wherein the guide members 1 are provided; the clamping device comprises a clamping piece 2, wherein a plurality of clamping parts 3 are arranged on the clamping piece 2, the clamping piece 2 is arranged on a plurality of guide pieces 1 in a one-to-one correspondence manner, and the clamping piece 2 is movably arranged along the corresponding guide pieces 1 so as to clamp a workpiece through the plurality of clamping parts 3 when the clamping piece 2 moves along the guide pieces 1; a driving member 4, the driving member 4 being rotatably disposed about a predetermined axis; driving medium 5, driving medium 5 are a plurality of, and a plurality of driving mediums 5 all are articulated with driving piece 4, and a plurality of driving mediums 5 are articulated with a plurality of holders 2 one-to-one to when driving piece 4 rotates, drive a plurality of holders 2 through a plurality of driving mediums 5 and move along the guide 1 that corresponds. When the driving part 4 rotates, under the transmission effect of the transmission part 5, the plurality of clamping parts 2 can be driven to move along the plurality of guide parts 1 at the same time, the synchronous action of each clamping part 2 is ensured, the problem of workpiece deviation caused by asynchronous action of each clamping part 2 in the clamping process is avoided, and the clamping effect on the workpiece is improved.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A clamping mechanism, comprising:
a plurality of guide members (1), wherein the guide members (1) are provided;
the clamping device comprises a clamping piece (2), wherein clamping parts (3) are arranged on the clamping piece (2), the clamping piece (2) is provided with a plurality of clamping pieces, the clamping pieces (2) are arranged on the guide pieces (1) in a one-to-one correspondence manner, and the clamping piece (2) is movably arranged along the corresponding guide pieces (1) so as to clamp a workpiece through the clamping parts (3) when the clamping piece (2) moves along the guide pieces (1);
a drive member (4), the drive member (4) being rotatably arranged about a predetermined axis;
driving medium (5), driving medium (5) are a plurality of, and are a plurality of driving medium (5) all with driving piece (4) are articulated, and are a plurality of driving medium (5) and a plurality of holder (2) one-to-one ground is articulated, so that when driving piece (4) rotate, through a plurality of driving medium (5) drive a plurality of holder (2) are along corresponding guide (1) motion.
2. Clamping mechanism according to claim 1, wherein a plurality of said guides (1) are arranged around said predetermined axis, each of said guides (1) extending in a direction perpendicular to said predetermined axis.
3. The clamping mechanism according to claim 1, wherein the guiding member (1) is a first sliding rail, the first sliding rail is a bar, the clamping member (2) is a first sliding block, a sliding groove matched with the first sliding rail is arranged on the first sliding block, and the first sliding block is slidably mounted on the first sliding rail through the sliding groove.
4. A gripping mechanism according to claim 1, characterized in that the driving member (4) has a plurality of projections (41), said projections (41) being bar-shaped, said projections (41) being arranged uniformly about said predetermined axis; the transmission pieces (5) are hinged with the end parts of the protruding parts (41) in a one-to-one correspondence mode.
5. The clamping mechanism according to claim 1, further comprising a driving device (6), wherein an output end of the driving device (6) is in driving connection with the driving member (4) so as to drive the driving member (4) to rotate through the driving device (6).
6. The clamping mechanism according to claim 5, characterized in that the driving device (6) comprises a cylinder (61), a cylinder rod (611) of the cylinder (61) is hinged with the driving piece (4) to drive the driving piece (4) to rotate through the expansion and contraction of the cylinder rod (611).
7. Gripper mechanism according to claim 6, characterized in that a first articulation with a first axis of rotation is formed between the cylinder rod (611) and the drive element (4), and a second articulation with a second axis of rotation is formed between the transmission element (5) and the drive element (4), the first axis of rotation coinciding with one of the second axes of rotation.
8. Clamping mechanism according to claim 6, wherein the driving means (6) further comprises a linear driving portion (62), the output end of the linear driving portion (62) being connected to the cylinder (61) for driving the cylinder (61) to move in a direction perpendicular to the predetermined axis.
9. The clamping mechanism of claim 8, wherein the linear drive section (62) comprises:
a rotation drive source (621);
a screw connected to an output shaft of the rotary drive source (621);
a second slide rail (622), the second slide rail (622) extending in a direction perpendicular to the predetermined axis;
the second sliding block (623) is connected with the air cylinder (61), the second sliding block (623) is slidably mounted on the second sliding rail (622), and a threaded through hole matched with the screw rod is formed in the second sliding block (623); the screw is installed in the threaded through hole, so that when the rotary driving source (621) rotates, the second sliding block (623) and the air cylinder (61) are driven by the screw to move along the second sliding rail (622) to drive the driving part (4) to rotate.
10. A clamping mechanism according to claim 9, further comprising a support (7), said support (7) having oppositely disposed first and second end faces; the guide pieces (1) are fixedly arranged on the first end face, the linear driving part (62) is installed on the second end face, an opening (71) extending to the first end face and the second end face is formed in the supporting piece (7), and the air cylinder rod (611) is hinged to the driving piece (4) through a connecting shaft penetrating in the opening (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960644.3U CN210360436U (en) | 2019-06-24 | 2019-06-24 | Clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920960644.3U CN210360436U (en) | 2019-06-24 | 2019-06-24 | Clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210360436U true CN210360436U (en) | 2020-04-21 |
Family
ID=70266852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920960644.3U Withdrawn - After Issue CN210360436U (en) | 2019-06-24 | 2019-06-24 | Clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210360436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170873A (en) * | 2019-06-24 | 2019-08-27 | 珠海格力智能装备有限公司 | Clamping device |
-
2019
- 2019-06-24 CN CN201920960644.3U patent/CN210360436U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170873A (en) * | 2019-06-24 | 2019-08-27 | 珠海格力智能装备有限公司 | Clamping device |
| CN110170873B (en) * | 2019-06-24 | 2024-02-27 | 珠海格力智能装备有限公司 | Clamping mechanism |
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| Date | Code | Title | Description |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200421 Effective date of abandoning: 20240227 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200421 Effective date of abandoning: 20240227 |