CN116038748A - Rotary motion outer clamp type clamp - Google Patents
Rotary motion outer clamp type clamp Download PDFInfo
- Publication number
- CN116038748A CN116038748A CN202310040840.XA CN202310040840A CN116038748A CN 116038748 A CN116038748 A CN 116038748A CN 202310040840 A CN202310040840 A CN 202310040840A CN 116038748 A CN116038748 A CN 116038748A
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- chassis
- supporting
- rotary motion
- workpiece
- supporting disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/08—Gripping heads and other end effectors having finger members
- B25J15/12—Gripping heads and other end effectors having finger members with flexible finger members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J15/00—Gripping heads and other end effectors
- B25J15/02—Gripping heads and other end effectors servo-actuated
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a rotary motion external clamping type clamp, which relates to the technical field of mechanical arm accessories and comprises a chassis, a workpiece and a supporting disc, wherein the workpiece is positioned in the chassis, the supporting disc is positioned above the chassis, a turntable is assembled on the inner wall of the supporting disc through a bearing, an adjustable unit for providing a clamping effect is arranged on the upper surface of the supporting disc, the adjustable unit comprises a first supporting rod for connecting the chassis and the supporting disc, two ends of the first supporting rod are fixedly connected with the chassis and the supporting disc respectively, an elastic strip is hinged to the lower surface of the supporting disc, and one end of the elastic strip, which is far away from the supporting disc, is hinged to the chassis. According to the invention, the adjustable unit is arranged, so that the workpiece can be stably clamped while the workpiece is not damaged, and the application range of the mechanical clamping jaw is enlarged.
Description
Technical Field
The invention relates to the technical field of mechanical arm accessories, in particular to a rotary motion external clamping type clamp.
Background
The mechanical clamping jaw is a common end actuating mechanism of a mechanical arm and is widely applied to the fields of industry, food, military and the like at present.
The traditional manipulator has advantages such as work efficiency is high, fix a position accurately, but its rigid structure makes it be easily restricted by factors such as size, shape and the material of object, snatch object class singleness, there is very big limitation, cause the damage to accurate spare, fragile object etc. easily simultaneously, soft robot is though can utilize flexible clamping jaw to accomplish the flexible snatch of no trace, but owing to the nature of its structure and material, can't guarantee that the work piece is stable when carrying at a high speed, produce negative effect to the work piece, especially to having the straight-bar form work piece of vertical distribution of certain weight like: the wine bottle, the steel main shaft and the like are carried, and the flexible body material is fragile and not resistant to friction and collision, so that the structure design is complex, the forming die is complex, the forming is difficult, and the cost is high.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, mechanical clamping jaws with rigid structures on mechanical arms are easy to damage precise pieces, fragile objects and the like, and mechanical clamping jaws with flexible structures cannot guarantee workpiece stability and have negative effects on workpieces when carrying at high speed.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a rotary motion outer clamp type anchor clamps, includes chassis and supporting disk, the work piece is located the chassis, the supporting disk is located the top of chassis, the inner wall of supporting disk is equipped with the carousel through the bearing, the upper surface of supporting disk is equipped with the adjustable unit that is used for providing the centre gripping effect, the adjustable unit is including the first bracing piece that is used for connecting chassis and supporting disk.
The effects achieved by the components are as follows: through setting up adjustable unit, can not cause the damage to the work piece simultaneously, can also carry out the centre gripping to the work piece steadily, enlarged mechanical clamping jaw's application scope.
Preferably, the two ends of the first supporting rod are fixedly connected with the chassis and the supporting disc respectively, the lower surface of the rotary disc is hinged with an elastic strip, and one end of the elastic strip, which is far away from the supporting disc, is hinged with the chassis.
The effects achieved by the components are as follows: when the turntable rotates, the elastic strip is stretched and wound on the arc surface of the workpiece, and the workpiece can be clamped by means of friction force between the elastic strip and the workpiece.
Preferably, the elastic strip is made of any one of polyester fiber, nylon fiber stretch yarn and nylon fiber stretch yarn.
The effects achieved by the components are as follows: the elastic strip can be made of any one of polyester fiber, nylon fiber elastic yarn and nylon fiber elastic yarn, and the polyester fiber, nylon fiber elastic yarn and nylon fiber elastic yarn material have certain elasticity and also have higher strength and are softer, so that the elastic strip can be better attached to the arc surface of a workpiece, the contact area between the elastic strip and the workpiece is increased, and the elastic strip cannot be broken in the clamping process, so that the workpiece is stably clamped as much as possible.
Preferably, the surface of chassis is equipped with centering structure, centering structure includes the fixed block, fixed block fixed connection is at the upper surface of chassis, and is three the upper surface of fixed block is equipped with spacing subassembly, spacing subassembly includes three L shaped plate, three L shaped plate respectively with three fixed block sliding connection, three L shaped plate long arm's fixed surface is connected with the ring, eight fixed pipes of inner wall fixedly connected with of ring, eight equal sliding connection of inner wall of fixed pipe has a slide bar, every the equal fixedly connected with limiting plate of one end of slide bar, eight the upper surface of fixed pipe is provided with same drive assembly, drive assembly includes eight round bars, eight round bars and eight fixed pipes one-to-one, and the round bars and the fixed pipe of mutual correspondence are fixed each other, the circular arc face sliding connection of round bars has the shaped plate, eight the fixed surface of strip shaped plate is connected with the driving ring, the inner wall of driving ring articulates there is eight runners, the face and the fixed surface of fixed plate and limiting plate are equipped with the square screw rod fixed surface, the adjusting plate is located the horizontal thread connection of square plate, the screw rod fixed surface is connected with the rectangular plate, the screw rod fixed surface is connected with the horizontal clamp plate.
The effects achieved by the components are as follows: through setting up centering structure, reach the position to the work piece and restrict to make the work piece can with the even contact of elastic strip, guarantee the effect that the elastic strip can stably centre gripping work piece.
Preferably, the sliding rod is in a regular quadrangular structure, and one side of the plugboard, which is close to the driving ring, is provided with an inclined plane.
The effects achieved by the components are as follows: the limiting plate slides to drive the sliding rod to slide along the inner wall of the fixed pipe, and the sliding rod is of a regular quadrangular prism structure, so that the sliding rod can limit the sliding path of the limiting plate, and the limiting plate is prevented from rotating as much as possible.
Preferably, one end of the sliding rod, which is far away from the limiting plate, is fixedly connected with a second spring, and one end of the second spring, which is far away from the sliding rod, is fixedly connected with the circular ring.
The effects achieved by the components are as follows: when the second spring is contracted, the sliding rod can drive the limiting plate to slide by means of the pulling force of the spring, and the spring achieves the effect of enabling the limiting plate to automatically reset.
Preferably, the lower surface of the pressing plate is hinged with balls, and the balls are abutted against the upper surface of the chassis.
The effects achieved by the components are as follows: the pressing plate can drive the balls to move by means of the movement of the screw, and when the balls are propped against the upper surface of the chassis, the balls can reduce the friction effect between the pressing plate and the chassis when the screw continues to rotate.
Preferably, the lower surface of the plugboard is fixedly connected with a magnetic sheet, and the fixing block is made of iron.
The effects achieved by the components are as follows: the magnetic sheet can be contacted with the fixed block due to the fact that the inserting plate slides, and the fixed block is made of iron, at the moment, the magnetic sheet can be sucked on the side wall of the fixed block, and the magnetic sheet achieves the effect of limiting the position of the inserting plate.
Preferably, the surface of the plugboard is provided with a pulling hole, and the cross section of the pulling hole on the plugboard is circular.
The effects achieved by the components are as follows: by forming the pulling holes, the function of pulling the plugboard by a user is achieved.
Preferably, the vertical section of limiting plate upper end is convex, the vertical section of limiting plate lower extreme is the rectangle.
The effects achieved by the components are as follows: the vertical section of the upper end of the limiting plate is arc-shaped, so that the limiting plate can guide the sliding path of the workpiece.
Compared with the prior art, the invention has the advantages and positive effects that:
1. according to the invention, when the workpiece is required to be clamped, the workpiece is slid through the turntable, then the turntable is rotated, the elastic strip is stretched and wound on the arc surface of the workpiece when the turntable rotates, the purpose of clamping the workpiece can be achieved by means of friction force between the elastic strip and the workpiece, the elastic strip can be made of any one of polyester fiber, nylon fiber elastic yarn and nylon fiber elastic yarn, and the polyester fiber, nylon fiber elastic yarn and nylon fiber elastic yarn material has higher strength and is softer while having certain elasticity, so that the elastic strip can be better attached to the arc surface of the workpiece, the contact area between the elastic strip and the workpiece is increased, and the workpiece cannot be broken in the clamping process, thereby ensuring stable clamping of the workpiece as much as possible.
2. In the invention, by arranging the centering structure, before a workpiece is required to be clamped, the inserting plate is pulled to a direction far away from the fixed block by virtue of the pulling hole, the sliding of the inserting plate can be separated from the fixed block, then the circular ring is moved, the circular ring can drive the L-shaped plate to slide along the upper surface of the fixed block, at the moment, the fixed block reaches the position limiting the L-shaped plate and prevents the L-shaped plate from sliding in the horizontal direction as far as possible, then the inserting plate is inserted into the fixed block again, at the moment, the lower surface of the inserting plate can be contacted with the L-shaped plate, the inserting plate can prevent the L-shaped plate from sliding upwards as far as possible, the sliding of the inserting plate can enable the magnetic sheet to be contacted with the fixed block, because the fixed block is made of iron, at the moment, the magnetic sheet can be absorbed on the side wall of the fixed block, the magnetic sheet can reach the position limiting the inserting plate, then the screw rod is rotated, the screw rod can move downwards by virtue of screw threads, the movement of the screw rod can drive the ball to move, when the ball is propped against the upper surface of the chassis, the ball can reduce the friction effect between the pressing plate and the chassis when the screw rod continuously rotates, at the moment, the screw rod continuously rotates can drive the rectangular plate to move upwards by virtue of threads, the rectangular plate moves to drive the driving ring to synchronously move, because the circular arc surface of the rotating wheel is contacted with the limiting plate, the rotating wheel can squeeze the limiting plate by virtue of circular ring movement, the limiting plate slides in the direction away from the fixed pipe, the limiting plate can limit the position of a workpiece with smaller diameter, the sliding rod can be driven to slide along the inner wall of the fixed pipe by the sliding of the limiting plate, because the sliding rod is in a regular quadrangular structure, the sliding rod reaches the effect of limiting the sliding path of the limiting plate and preventing the rotation of the limiting plate as much as possible, the sliding rod can stretch the second spring, at the moment, the second spring is in a stretched state, the driving ring can also drive the strip plate to slide along the circular arc surface of the round rod, the round bar achieves the effect of limiting the sliding path of the transmission ring, when the position of a workpiece with larger diameter is required to be limited, only the screw is required to rotate in the opposite direction, at this time, the screw can enable the rotating wheel to be separated from the limiting plate, the second spring starts to shrink, the sliding bar can drive the limiting plate to slide by means of the pulling force of the spring, so that the limiting plate can limit the workpiece with larger diameter, then only the workpiece is required to be moved, the workpiece can be contacted with the upper end of the limiting plate, the limiting plate can guide the sliding path of the workpiece because the vertical section of the upper end of the limiting plate is arc-shaped, then the lower end of the limiting plate can be contacted with the workpiece, at this time, the lower end of the limiting plate can limit the position of the workpiece, so that the central shaft of the workpiece can be overlapped with the central shaft of the turntable, and then the workpiece can be clamped conveniently, the position of the workpiece is limited by arranging a centering structure, so that the workpiece can be uniformly contacted with the elastic strip, and the effect of the workpiece can be clamped stably is ensured.
Drawings
Fig. 1 is a schematic perspective view of a rotary external clamping type clamp according to the present invention;
fig. 2 is a schematic view of a structure of a chassis of a rotary external clamping type clamp according to the present invention;
FIG. 3 is a schematic view showing the structure of the rotary external clamping type clamp in the working state of FIG. 1;
FIG. 4 is a schematic view showing the centering structure of a rotary external clamping fixture according to the present invention;
FIG. 5 is a schematic view showing a partial structure of a limiting plate of a rotary outer clamp according to the present invention;
fig. 6 is a schematic view of a structure of a plug board of a rotary external clamping type clamp according to the present invention;
fig. 7 is a schematic view of a structure of a screw of a rotary external clamping type clamp according to the present invention;
fig. 8 is a schematic structural view of an embodiment 2 of a rotary motion external clamping fixture according to the present invention;
fig. 9 is a schematic structural view of an embodiment 3 of a rotary external clamping type clamp according to the present invention;
fig. 10 is a schematic structural view showing the working state of fig. 9 of a rotary motion external clamping fixture according to the present invention.
Legend description: 1. a chassis; 2. a support plate; 3. a turntable; 4. an adjustable unit; 41. a first support bar; 42. an elastic strip; 43. a second support bar; 44. a first winding bar; 45. a second support bar; 46. a first spring; 47. a baffle; 48. a second winding bar; 5. a centering structure; 51. a fixed block; 52. a limit component; 521. an L-shaped plate; 522. a circular ring; 523. a fixed tube; 524. a slide bar; 525. a limiting plate; 526. a second spring; 53. a transmission assembly; 531. a round bar; 532. a strip-shaped plate; 533. a drive ring; 534. a rotating wheel; 54. an adjustment assembly; 541. a rectangular plate; 542. a screw; 543. a pressing plate; 544. a ball; 55. inserting plate; 56. a magnetic sheet; 57. pulling holes; 6. a workpiece.
Detailed Description
In order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the present invention is not limited to the specific embodiments of the disclosure that follow.
In embodiment 1, as shown in fig. 1 and 2, the invention provides a rotary motion external clamping fixture, which comprises a chassis 1 and a supporting disc 2, wherein a workpiece is positioned in the chassis 1, the supporting disc 2 is positioned above the chassis 1, a turntable 3 is assembled on the inner wall of the supporting disc 2 through a bearing, an adjustable unit 4 for providing a clamping effect is arranged on the upper surface of the supporting disc 2, the workpiece can be stably clamped while the workpiece is not damaged by arranging the adjustable unit 4, and the application range of a mechanical clamping jaw is enlarged. The surface of chassis 1 is equipped with centering structure, through setting up centering structure, reaches the effect of restricting the position of work piece to make the work piece can with elastic strip 42 even contact, guarantee that elastic strip 42 can play the effect of centre gripping work piece steadily.
The specific arrangement and function of the adjustable unit 4 and the centering structure will be described in detail below.
As shown in fig. 1 and 3, the adjustable unit 4 includes a first supporting rod 41 for connecting the chassis 1 and the supporting disc 2, two ends of the first supporting rod 41 are fixedly connected with the chassis 1 and the supporting disc 2 respectively, an elastic strip 42 is hinged to the lower surface of the turntable 3, one end of the elastic strip 42 away from the supporting disc 2 is hinged to the chassis 1, the elastic strip 42 is stretched and wound on an arc surface of a workpiece when the turntable 3 rotates, and at this time, the purpose of clamping the workpiece can be achieved by means of friction between the elastic strip 42 and the workpiece. The elastic strip 42 is made of any one of polyester fiber, nylon fiber elastic yarn and nylon fiber elastic yarn, the elastic strip 42 can be made of any one of polyester fiber, nylon fiber elastic yarn and nylon fiber elastic yarn, and the polyester fiber, nylon fiber elastic yarn and nylon fiber elastic yarn materials have certain elasticity and also have higher strength and are softer, so that the elastic strip 42 can be better attached to the arc surface of a workpiece, the contact area between the elastic strip 42 and the workpiece is increased, and the workpiece cannot be broken in the clamping process, so that the workpiece is stably clamped as much as possible.
As shown in fig. 2-7, the centering structure comprises a fixed block, fixed block fixed connection is at the upper surface of chassis 1, the upper surface of fixed block is equipped with spacing subassembly, spacing subassembly includes the L-shaped plate, L-shaped plate and fixed block sliding connection, the fixed surface of the long arm of L-shaped plate is connected with the ring, the inner wall fixedly connected with fixed pipe of ring, the inner wall fixedly connected with slide bar of fixed pipe, the one end fixedly connected with limiting plate of slide bar, the upper surface drive subassembly of fixed pipe, drive subassembly includes the round bar, the upper surface fixed connection of round bar and fixed pipe, the arc face sliding connection of round bar has the strip shaped plate, the fixed surface of strip shaped plate is connected with the drive ring, the inner wall of drive ring articulates there is the runner, the arc face and the limiting plate sliding connection of runner, the arc face of drive ring is equipped with adjusting component, adjusting component includes the rectangular plate, rectangular plate fixed connection is at the arc face of drive ring, the vertical screw thread connection in surface of rectangular plate has the screw rod, the lower extreme fixedly connected with clamp plate of screw rod, the clamp plate is located the top of chassis 1, the lateral wall level slip of fixed block runs through there is the picture peg, lower surface and L-shaped plate sliding connection.
As shown in fig. 2-7, the sliding bar is in a regular quadrangular structure, an inclined plane is formed on one side of the insertion plate, which is close to the driving ring, and the limiting plate slides to drive the sliding bar to slide along the inner wall of the fixed pipe. One end fixedly connected with second spring of limiting plate is kept away from to the slide bar, and the one end and the ring fixed connection of slide bar are kept away from to the second spring, and when the second spring shrink, the slide bar can drive the limiting plate with the help of the pulling force of spring and slide, and the spring reaches the effect that can make the limiting plate automatic re-setting. The lower surface of clamp plate articulates there is the ball, and the ball supports the upper surface at chassis 1, and the clamp plate moves with the help of the screw rod and can drive the ball and move, and after the ball supported the upper surface at chassis 1, the ball reaches when the screw rod continues to rotate, can reduce the effect of friction between clamp plate and the chassis 1. The lower surface fixedly connected with magnetic sheet of picture peg, the fixed block be the iron material, and the picture peg slides and can make magnetic sheet and fixed block contact, because the fixed block is the iron material, the magnetic sheet can inhale the lateral wall at the fixed block this moment, and the magnetic sheet reaches the effect of restriction picture peg position.
As shown in fig. 4-7, the surface of the plugboard is provided with a pulling hole, the cross section of the pulling hole on the plugboard is circular, and the pulling hole is formed, so that the plugboard can be pulled by a user conveniently. The vertical cross section of limiting plate upper end is convex, and the vertical cross section of limiting plate lower extreme is the rectangle, because the vertical cross section of limiting plate upper end is convex, consequently the limiting plate can guide the slip path of work piece.
The whole working principle is as follows: when the workpiece is required to be clamped, the workpiece is slid into the turntable 3, then the turntable 3 is rotated, the elastic strip 42 is stretched and wound on the arc surface of the workpiece when the turntable 3 is rotated, the workpiece can be clamped by means of the friction force between the elastic strip 42 and the workpiece, the elastic strip 42 can be made of any one of polyester fiber, nylon fiber elastic yarn and nylon fiber elastic yarn, and the polyester fiber, nylon fiber elastic yarn and nylon fiber elastic yarn material has higher strength and is softer when having certain elasticity, so that the elastic strip 42 can be better attached on the arc surface of the workpiece, the contact area between the elastic strip 42 and the workpiece is increased, and the workpiece cannot be broken in the clamping process, so that the workpiece is stably clamped as much as possible.
Before the workpiece is required to be clamped, the plugboard is pulled to a direction far away from the fixed block by means of the pull hole, the plugboard slides to be separated from the fixed block, then the circular ring is moved, the circular ring moves to drive the L-shaped plate to slide along the upper surface of the fixed block, the fixed block reaches the position limiting of the L-shaped plate, the L-shaped plate is prevented from sliding in the horizontal direction as far as possible, then the plugboard is inserted into the fixed block again, the lower surface of the plugboard contacts with the L-shaped plate, the plugboard reaches the effect of preventing the L-shaped plate from sliding upwards as far as possible, the plugboard slides to enable the magnetic sheet to contact with the fixed block, because the fixed block is made of iron, the magnetic sheet is sucked on the side wall of the fixed block, the magnetic sheet reaches the position limiting of the plugboard, then the screw is rotated, the screw is rotated to downwards move by means of threads, the pressing plate drives the balls to move by means of the screw, and after the balls are abutted against the upper surface of the chassis 1, the rolling balls can reduce the friction effect between the pressing plate and the chassis 1 when the screw rod continues to rotate, at the moment, the screw rod can be driven by the screw rod to move upwards by virtue of threads, the rectangular plate can drive the drive ring to move synchronously, the circular arc surface of the rotating wheel is contacted with the limiting plate, the rotating wheel can squeeze the limiting plate by virtue of circular ring movement, the limiting plate slides in the direction away from the fixed pipe, the limiting plate can limit the position of a workpiece with smaller diameter, the sliding of the limiting plate can drive the sliding rod to slide along the inner wall of the fixed pipe, the sliding rod is in a regular quadrangular structure, at the moment, the sliding rod reaches the effect of limiting the sliding path of the limiting plate, the sliding rod can stretch the second spring, at the moment, the second spring is in a stretched state, the driving ring slides and can drive the strip plate to slide along the circular arc surface of the round rod, and the round rod reaches the effect of limiting the sliding path of the drive ring, when the position of the work piece with larger diameter is required to be limited, only the screw rod is required to rotate in the opposite direction, at the moment, the screw rod can enable the rotating wheel to be separated from the limiting plate, the second spring starts to shrink, the sliding rod can drive the limiting plate to slide by means of the pulling force of the spring, so that the limiting plate can limit the work piece with larger diameter, then only the work piece is required to be moved, the work piece can be firstly contacted with the upper end of the limiting plate, the vertical section of the upper end of the limiting plate is arc-shaped, so that the limiting plate can guide the sliding path of the work piece, then the lower end of the limiting plate can be contacted with the work piece, at the moment, the lower end of the limiting plate can limit the position of the work piece, and therefore the central shaft of the work piece can be coincident with the central shaft of the rotating disc 3, and the work piece can be clamped conveniently.
In embodiment 2, referring to fig. 8, the adjustable unit 4 may further comprise four second supporting bars 43 and eight first winding bars 44, wherein two ends of the second supporting bars 43 are fixedly connected with the supporting disc 2 and the chassis 1 respectively, two ends of the first winding bars 44 are hinged with the supporting disc 2 and the chassis 1 respectively, and the first winding bars 44 are made of inelastic materials, but the length of the first winding bars 44 when not in use is redundant, so that when the turntable 3 rotates, the first winding bars 44 with redundancy are remained still capable of winding on the arc surface of the workpiece, so as to achieve the purpose of clamping the workpiece.
In embodiment 3, referring to fig. 9 and 10, the adjustable unit 4 may further comprise four second support rods 45, four first springs 46 and eight second winding strips 48, wherein the lower ends of the second support rods 45 are fixedly connected with the chassis 1, the upper ends of the second support rods 45 slide through the support disc 2, the first springs 46 are sleeved on the arc surfaces of the second support rods 45, two ends of the first springs 46 are fixedly connected with the support disc 2 and the chassis 1 respectively, two ends of the second winding strips 48 are hinged with the support disc 2 and the chassis 1 respectively, the first winding strips 44 are made of inelastic materials, the free ends of the second support rods 45 are fixedly connected with a blocking piece 47 for blocking the support disc 2, when the turntable 3 rotates, the turntable 3 drives the second winding strips 48 to wind on the arc surfaces of a workpiece, the support disc 2 slides downwards along the arc surfaces of the second support rods 45, the support disc 2 slides to squeeze the first springs 46, the first springs 46 are in a contracted state, when the workpiece is required to be put down, the turntable 3 rotates reversely, the second winding strips 48 slide upwards by means of the second springs 46, and the second winding strips 48 slide upwards by means of the second winding strips 46, and the turntable 2 can start to be wound upwards by means of the second winding strips 4.
The present invention is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification to the above embodiments according to the technical matter of the present invention will still fall within the protection scope of the technical disclosure.
Claims (10)
1. The utility model provides a rotary motion outer clamp type anchor clamps, includes chassis (1) and supporting disk (2), its characterized in that: the work piece (6) is located chassis (1), supporting disk (2) are located the top of chassis (1), the inner wall of supporting disk (2) is equipped with carousel (3) through the bearing, the upper surface of supporting disk (2) is equipped with adjustable unit (4) that are used for providing the centre gripping effect, adjustable unit (4) are including first bracing piece (41) that are used for connecting chassis (1) and supporting disk (2).
2. A rotary motion external gripping fixture according to claim 1, characterized in that: the two ends of the first supporting rod (41) are fixedly connected with the chassis (1) and the supporting disc (2) respectively, an elastic strip (42) is hinged to the lower surface of the rotary disc (3), and one end, far away from the supporting disc (2), of the elastic strip (42) is hinged to the chassis (1).
3. A rotary motion external gripping fixture according to claim 2, characterised in that: the elastic strip (42) is made of any one of polyester fiber, nylon fiber stretch yarn and nylon fiber stretch yarn.
4. A rotary motion external gripping fixture according to claim 1, characterized in that: the adjustable unit (4) further comprises a second supporting bar (43) used for connecting the chassis (1) and the supporting disc (2), and two ends of the second supporting bar (43) are fixedly connected with the chassis (1) and the supporting disc (2) respectively.
5. A rotary motion external gripping fixture according to claim 1, characterized in that: the lower surface of carousel (3) articulates there is first winding strip (44), the one end that carousel (3) were kept away from to first winding strip (44) is articulated with chassis (1).
6. The rotary motion external gripping fixture of claim 5, wherein: the first wrapping strip (44) is made of an inelastic material.
7. A rotary motion external gripping fixture according to claim 1, characterized in that: the adjustable unit (4) comprises a second supporting rod (45) used for connecting the chassis (1) and the supporting disc (2), the lower end of the second supporting rod (45) is fixedly connected with the chassis (1), and the upper end of the second supporting rod (45) penetrates through the supporting disc (2) in a sliding mode.
8. The rotary motion external gripping fixture of claim 7, wherein: the first spring (46) is sleeved on the arc surface of the second supporting rod (45), and two ends of the first spring (46) are fixedly connected with the chassis (1) and the supporting disc (2) respectively.
9. The rotary motion external gripping fixture of claim 8, wherein: both ends of the second winding strip (48) are respectively hinged with the chassis (1) and the turntable (3), and the second winding strip (48) is made of inelastic materials.
10. The rotary motion external gripping fixture of claim 9, wherein: the free end of the second supporting rod (45) is fixedly connected with a baffle (47) for blocking the supporting disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310040840.XA CN116038748B (en) | 2023-01-13 | 2023-01-13 | Rotary motion outer clamp type clamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310040840.XA CN116038748B (en) | 2023-01-13 | 2023-01-13 | Rotary motion outer clamp type clamp |
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| CN116038748A true CN116038748A (en) | 2023-05-02 |
| CN116038748B CN116038748B (en) | 2023-06-30 |
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| CN113635331A (en) * | 2021-08-11 | 2021-11-12 | 北京工业大学 | Clamping mechanism and flexible manipulator |
| CN114147752A (en) * | 2021-11-05 | 2022-03-08 | 燕山大学 | Self-adaptive variable-rigidity flexible gripper |
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| CN102601799A (en) * | 2012-03-30 | 2012-07-25 | 北京工业大学 | Flexible mechanical finger adaptive to shapes of clamped objects |
| US20210046658A1 (en) * | 2018-05-04 | 2021-02-18 | Jiangnan University | Electric compound driving thickness irregularly shaped plate spring framework flexible manipulator |
| CN108568833A (en) * | 2018-06-28 | 2018-09-25 | 潘杨荣 | Holder driver and clamper |
| CN113635331A (en) * | 2021-08-11 | 2021-11-12 | 北京工业大学 | Clamping mechanism and flexible manipulator |
| CN114147752A (en) * | 2021-11-05 | 2022-03-08 | 燕山大学 | Self-adaptive variable-rigidity flexible gripper |
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| CN116038748B (en) | 2023-06-30 |
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