CN215701816U - Double-thread mechanical claw reliable in clamping - Google Patents
Double-thread mechanical claw reliable in clamping Download PDFInfo
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- CN215701816U CN215701816U CN202122003752.1U CN202122003752U CN215701816U CN 215701816 U CN215701816 U CN 215701816U CN 202122003752 U CN202122003752 U CN 202122003752U CN 215701816 U CN215701816 U CN 215701816U
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- 230000001360 synchronised effect Effects 0.000 claims description 3
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- 206010000372 Accident at work Diseases 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
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Abstract
The application discloses reliable double thread pole gripper structure of centre gripping, including gripper disc, gripper bar, go up ear pole, double-threaded rod, go up and take ear nut, ear pole, first flexible member, second telescopic link, motor element, support down. When the device works, the motor component drives the double-thread rod to rotate, the first telescopic rod and the second telescopic rod move forward by means of the characteristic that the rotating directions of threads at the upper end and the lower end of the double-thread rod are opposite, the mechanical claw rod is pulled backwards by the driving of the upper lug rod and the lower lug rod, and the object is clamped by the mechanical claw disc. The invention increases contact points and area and improves the stability in the grabbing process by depending on the grabbing structure of a plurality of mechanical claw discs.
Description
Technical Field
The invention relates to the field of mechanical automation, in particular to a double-thread-rod mechanical claw structure with reliable clamping.
Background
At present, due to the continuous rise of labor cost, artificial intelligence and industrial mechanical automation equipment are increasingly used by enterprises. The industrial mechanical claw becomes an optimal tool in industrial automatic production by virtue of the characteristics of high precision, wide application range, high efficiency and the like. The manipulator can continuously work in a toxic and dangerous environment; frequent, monotonous and repeated labor, such as loading and unloading, carrying and the like can also be finished. In the mechanical claw, the vacuum chuck is used more and more on automatic operation lines such as product packaging, feeding and discharging, object transmission, mechanical assembly and the like by virtue of the advantages of simple structure, high cost performance and the like. The national stamping parts account for a large proportion of electromechanical, daily necessities and hardware parts, but at present, most of the stamping parts adopt manual loading and unloading, so that the problems of low efficiency, more industrial accidents and the like are caused. The most effective safe production measure is to adopt a feeding manipulator to replace manual feeding. The mechanical claw not only can realize safe operation, but also improves the product quality.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a double-thread mechanical claw structure with reliable clamping, and aims to solve the problems of unstable clamping and complex structure of the conventional mechanical claw.
A reliable double thread pole gripper structure of centre gripping, its characterized in that: the device comprises a mechanical claw disc, a mechanical claw rod, an upper lug rod, a double-threaded rod, an upper lug nut, a lower lug rod, a first telescopic rod, a second telescopic rod, a motor assembly and a support;
the outer wall of the double-threaded rod comprises an upper section of positive threads and a lower section of negative threads; a group of upper lugs are uniformly arranged on the outer side of the side part of the upper lug nut at intervals, a group of lower short lugs and a group of lower long lugs which are the same in number as the upper lugs on the upper lug nut and correspond to the upper lugs on the upper lug nut one by one are uniformly arranged on the outer side of the side part of the lower lug nut at intervals in a staggered manner;
each upper lug on the side part of the upper lug nut is hinged with an upper lug rod, the tail end of each upper lug rod is hinged with the lower end of a mechanical claw rod, the upper end of each mechanical claw rod is fixedly connected with a mechanical claw disc through a bolt to form a clamping structure, and meanwhile, the upper lug nut is in threaded connection with the outer side of the positive thread of the upper section of the double-threaded rod, so that the clamping movement of the whole mechanical claw disc can be realized through the rotation of the double-threaded rod; the middle part of the upper ear rod is hinged with the upper end of the lower ear rod, the lower end of the lower ear rod is hinged with a lower long ear corresponding to the side part of the lower lug nut, the lower lug nut is in threaded connection with the outer side of a reverse thread of the lower section of the double-threaded rod, a lower short ear at the side part of the lower lug nut is hinged with the upper end of a first telescopic rod, the lower end of the first telescopic rod is hinged with the upper end of a second telescopic rod, and the lower end of the second telescopic rod is hinged on the support;
the motor element is fixedly arranged on the support, a motor shaft of the motor element is fixedly connected with the bottom of the lower section of the double-threaded rod, the motor element drives the double-threaded rod to rotate when working, the first telescopic rod and the second telescopic rod move forward by means of the characteristic that the threads at the upper end and the lower end of the double-threaded rod are opposite in rotating direction, the mechanical claw rod is pulled backwards under the driving of the upper ear rod and the lower ear rod, and the clamping of the mechanical claw disk on an object is realized.
A reliable double thread pole gripper of centre gripping, its characterized in that: four mechanical claw discs are distributed along the circumferential direction, and the four mechanical claw discs are distributed at four vertexes of a square; the grabbing surface of the mechanical claw disc is in a sawtooth shape and is used for increasing the friction force during clamping; the mechanical claw rods are of a Z-shaped structure, the upper ends of the mechanical claw rods are fixedly connected with the mechanical claw disc, and the number of the mechanical claw rods is also four and is distributed at four top points of a square.
A reliable double thread pole gripper of centre gripping, its characterized in that: the mechanical claw rod is connected with two upper ear rods which have the same length and are parallel up and down, the middle part of one upper ear rod below the mechanical claw rod is connected with a lower long ear corresponding to the side part of the lower ear-carrying nut through one lower ear rod, and the tail ends of the two upper ear rods which are parallel up and down are respectively connected with the upper end and the lower end of the upper ear corresponding to the side part of the upper ear-carrying nut;
the number of the group of upper lugs is four, the four upper lugs are uniformly distributed at intervals along the circumferential direction on the outer side of the side part of the nut with the upper lugs, and the four upper lugs are distributed at four top points of a square.
The three-claw type mechanical claw structure with reliable clamping is characterized in that: a hole is formed in the middle point of the upper ear rod and is used for being hinged with the lower ear rod; the lower end of the lower lug rod is of a U-shaped structure, the width of the U-shaped structure can be matched and inserted outside the lower long lug arranged on the side part of the lower lug nut, so that the lower end of the lower lug rod is hinged with the lower long lug corresponding to the side part of the lower lug nut.
The three-claw type mechanical claw structure with reliable clamping is characterized in that: the number of the group of the lower short lugs and the number of the group of the lower long lugs are four, the total number of the lower short lugs and the lower long lugs is eight, and the lower short lugs and the lower long lugs are uniformly distributed at intervals in a staggered manner on the outer side of the side part of the nut with the lower lugs; the upper end of the first telescopic rod is of a U-shaped structure, the width of the U-shaped structure can be matched with the outer side of the lower short lug arranged on the side part of the lower lug nut, so that the upper end of the first telescopic rod is hinged to the lower short lug corresponding to the side part of the lower lug nut.
A reliable double thread pole gripper of centre gripping, its characterized in that: the bottom of the motor assembly is connected with the support, a flange end cover is arranged on a motor shaft at the top of the motor assembly, four bolt through holes which are uniformly distributed are formed in the flange end cover of the motor shaft, and the flange end cover is connected with the flange end cover at the bottom of the double-threaded rod through bolts, so that synchronous movement of the double-threaded rod and the motor shaft of the motor assembly is realized.
A reliable double thread pole gripper of centre gripping, its characterized in that: the double-threaded rod is arranged at the center of the whole mechanical claw structure, the outer wall of the double-threaded rod is divided into three sections from top to bottom, and the three sections are sequentially provided with an upper section positive thread, a middle section smooth outer wall and a lower section negative thread; four threaded holes which are uniformly distributed are formed in the flange end cover at the bottom of the double threaded rod and correspond to the bolt through holes in the flange end cover of the motor shaft.
The invention has the beneficial effects that:
1. according to the invention, the motor component is connected with the double-threaded rod, the double-threaded rod is driven by the motor component to rotate, the first telescopic rod and the second telescopic rod are enabled to move forward by virtue of the characteristic that the rotating directions of the threads at the upper end and the lower end of the double-threaded rod are opposite, and the mechanical claw rod is pulled backwards by virtue of the driving of the upper ear rod and the lower ear rod, so that the object is clamped by the mechanical claw disc.
2. The invention increases contact points and area and improves the stability in the grabbing process by means of the grabbing structure of the four serrated claw disks.
Drawings
Fig. 1 is a schematic structural view of a double-threaded-rod mechanical claw with reliable clamping.
Fig. 2 is a top view of the gripper of the present invention.
FIG. 3 is an isometric view of a gripper disk and gripper bar of the present invention.
Figure 4 is an isometric view of the motor assembly of the present invention.
In the figure, 1-mechanical claw disc, 2-mechanical claw rod, 3-upper ear rod, 4-double threaded rod, 5-upper ear nut, 6-lower ear nut, 7-lower ear rod, 8-first telescopic rod, 9-second telescopic rod, 10-motor component and 11-support.
Detailed Description
The present invention is further illustrated by the following examples, which should not be construed as limiting the scope of the invention.
As shown in fig. 1 to 4, a double-threaded-rod mechanical claw structure with reliable clamping comprises a mechanical claw disc 1, a mechanical claw rod 2, an upper lug rod 3, a double-threaded rod 4, an upper lug nut 5, a lower lug nut 6, a lower lug rod 7, a first telescopic rod 8, a second telescopic rod 9, a motor component 10 and a support 11.
The outer wall of the double-threaded rod 4 is divided into three sections from top to bottom, and the three sections are sequentially provided with an upper section positive thread, a middle section smooth outer wall and a lower section negative thread.
Four upper lugs are arranged on the outer side of the side part of the upper lug nut 5 at even intervals, the four upper lugs are evenly distributed on the outer side of the side part of the upper lug nut 5 at intervals along the circumferential direction, and the four upper lugs are distributed at four top points of a square. Four lower short lugs and four lower long lugs are arranged on the outer side of the side part of the lower lug nut 6 at even intervals, and the lower short lugs and the lower long lugs are arranged on the outer side of the side part of the lower lug nut 6 at intervals in a staggered mode. The upper lug nut 5 is a four-lug nut, and the lower lug nut 6 is an eight-lug nut.
Referring to fig. 1-2, four gripper disks 1 are circumferentially distributed, and four gripper disks 1 are distributed at four vertices of a square; the grabbing surface of the mechanical claw disc 1 is in a sawtooth shape and is used for increasing the friction force during clamping; the mechanical claw rods 2 are in a Z-shaped structure, the upper ends of the mechanical claw rods 2 are fixedly connected with the mechanical claw disk 1, and the number of the mechanical claw rods 2 is also four and is distributed at four vertexes of a square.
In comparison with fig. 1, two upper ear rods 3 which are the same in length and are parallel up and down are hinged to the tail end of one mechanical claw rod 2, the tail ends of the two upper ear rods 3 are hinged to the upper end and the lower end of the upper ear corresponding to the side portion of an upper ear nut 5, the middle portion of the lower upper ear rod 3 is connected with the lower long ear corresponding to the side portion of a lower ear nut 6 through a lower ear rod 7, and a hole is formed in the middle point of the upper ear rod 3 and used for being hinged to the lower ear rod 7; the lower end of the lower ear rod 7 is in a U-shaped structure, the width of the U-shaped structure can be matched and inserted outside the lower long ear on the side part of the lower ear nut 6, so that the lower end of the lower ear rod 7 is hinged with the lower long ear corresponding to the side part of the lower ear nut 6.
The lower lug nut 6 is circumferentially provided with eight lugs which are distributed in a long and short interval, namely four lower long lugs and four lower short lugs are distributed on the outer wall of the side part of the lower lug nut 6 in a staggered interval. The upper end of the first telescopic rod 8 is in a U-shaped structure, the width of the U-shaped structure can be matched with the outer side of the lower short lug of the side part of the lower lug nut 6, so that the upper end of the first telescopic rod 8 is hinged with the lower short lug corresponding to the side part of the lower lug nut 6.
The bottom of the motor assembly 10 is connected with the support 11, a flange end cover is arranged on a motor shaft at the top of the motor assembly, four bolt through holes which are uniformly distributed are formed in the flange end cover of the motor shaft, and the flange end cover is connected with the flange end cover at the bottom of the double-threaded rod 4 through bolts, so that synchronous movement of the motor shaft of the double-threaded rod 4 and the motor assembly 10 is realized.
The double-thread screw 4 is arranged at the center of the whole mechanical claw structure, the upper end and the lower end of the double-thread screw are respectively connected with an upper lug nut 5 and a lower lug nut 6, and a section of transition section without threads is arranged in the middle of the double-thread screw. The bottom of the double-threaded rod 4 is provided with a flange end cover, and the flange end cover at the bottom of the double-threaded rod 4 is provided with four threaded holes which are uniformly distributed and correspond to the bolt through holes on the flange end cover of the motor shaft.
The mechanical claw structure of the invention depends on the connection of the motor component and the double-threaded rod, the double-threaded rod is driven by the motor component to rotate, the first telescopic rod and the second telescopic rod are driven to move forward by the characteristic that the screw threads at the upper end and the lower end of the double-threaded rod are opposite in rotating direction, and the mechanical claw rod is driven by the upper ear rod and the lower ear rod to pull back, so that the object is clamped by the mechanical claw disc. And the grabbing structure of the four serrated claw discs increases contact points and area and improves the stability in the grabbing process.
The statements in this specification merely set forth a list of implementations of the inventive concept and the scope of the present invention should not be construed as limited to the particular forms set forth in the examples.
Claims (7)
1. The utility model provides a reliable double thread pole gripper structure of centre gripping which characterized in that: the device comprises a mechanical claw disc (1), a mechanical claw rod (2), an upper ear rod (3), a double-threaded rod (4), an upper ear nut (5), a lower ear nut (6), a lower ear rod (7), a first telescopic rod (8), a second telescopic rod (9), a motor assembly (10) and a support (11);
the outer wall of the double-threaded rod (4) comprises an upper section of positive threads and a lower section of negative threads; a group of upper lugs are uniformly arranged on the outer side of the side part of the upper lug nut (5) at intervals, a group of lower short lugs and a group of lower long lugs which are the same as the upper lugs on the upper lug nut (5) in number and correspond to the upper lugs on the lower lug nut (6) one by one are uniformly arranged on the outer side of the side part of the lower lug nut (6) at intervals in a staggered manner;
each upper lug on the side part of the upper lug-bearing nut (5) is hinged with an upper lug rod (3), the tail end of each upper lug rod (3) is hinged with the lower end of a mechanical claw rod (2), the upper end of each mechanical claw rod (2) is fixedly connected with a mechanical claw disc (1) through a bolt to form a clamping structure, meanwhile, the upper lug-bearing nut (5) is in threaded connection with the outer side of an upper positive thread of a double-threaded rod (4), and clamping movement of the whole mechanical claw disc (1) can be achieved through rotation of the double-threaded rod (4); the middle part of the upper ear rod (3) is hinged with the upper end of the lower ear rod (7), the lower end of the lower ear rod (7) is hinged with a lower long ear corresponding to the side part of the lower ear-carrying nut (6), the lower ear-carrying nut (6) is in threaded connection with the outer side of the lower reverse thread of the double-threaded rod (4), a lower short ear at the side part of the lower ear-carrying nut (6) is hinged with the upper end of the first telescopic rod (8), the lower end of the first telescopic rod (8) is hinged with the upper end of the second telescopic rod (9), and the lower end of the second telescopic rod (9) is hinged on the support (11);
motor element (10) are fixed to be set up on support (11), motor shaft and the hypomere bottom fixed connection of double-threaded rod (4) of motor element (10), motor element (10) at the during operation, drive double-threaded rod (4) rotatory, rely on double-threaded rod (4) about both ends threaded revolve to opposite characteristics for first telescopic link (8), second telescopic link advance, and gripper rod (2) are back-drawn under the drive of upper ear pole (3), lower ear pole (7), realize gripper disc (1) to the centre gripping of object.
2. A double-threaded mechanical claw with reliable clamping function according to claim 1, characterized in that: four mechanical claw discs (1) are distributed along the circumferential direction, and the four mechanical claw discs (1) are distributed at four top points of a square; the grabbing surface of the mechanical claw disc (1) is in a sawtooth shape and is used for increasing the friction force during clamping; the mechanical claw rods (2) are of a Z-shaped structure, the upper ends of the mechanical claw rods (2) are fixedly connected with the mechanical claw disc (1), and the number of the mechanical claw rods (2) is four and is distributed at four vertexes of a square.
3. A double-threaded mechanical claw with reliable clamping function according to claim 2, characterized in that: two upper ear rods (3) which are the same in length and are parallel up and down are connected to one mechanical claw rod (2), the middle of one upper ear rod (3) below is connected with a lower long ear corresponding to the side part of a lower ear-carrying nut (6) through one lower ear rod (7), and the tail ends of the two upper ear rods (3) which are parallel up and down are respectively connected with the upper end and the lower end of the upper ear corresponding to the side part of an upper ear-carrying nut (5);
the number of the group of upper lugs is four, the four upper lugs are uniformly distributed at intervals along the circumferential direction on the outer side of the side part of the upper lug nut (5), and the four upper lugs are distributed at four vertexes of a square.
4. A three-jaw type mechanical gripper structure with reliable gripping according to claim 3, wherein: a hole is formed in the middle point of the upper ear rod (3) and is used for being hinged with the lower ear rod (7); the lower end of the lower ear rod (7) is in a U-shaped structure, the width of the U-shaped structure can be matched and inserted on the outer side of the lower long ear at the side part of the lower ear-carrying nut (6), so that the lower end of the lower ear rod (7) is hinged with the lower long ear corresponding to the side part of the lower ear-carrying nut (6).
5. The three-jaw type mechanical jaw structure with reliable clamping as claimed in claim 4, wherein: the number of the group of the lower short lugs and the number of the group of the lower long lugs are four, the total number of the lower short lugs and the lower long lugs is eight, and the lower short lugs and the lower long lugs are uniformly distributed at intervals in a staggered manner on the outer side of the side part of the lower lug-carrying nut (6); the upper end of the first telescopic rod (8) is in a U-shaped structure, the width of the U-shaped structure can be matched with the outer side of a lower short lug arranged on the side part of the lower lug nut (6), so that the upper end of the first telescopic rod (8) is hinged with the lower short lug corresponding to the side part of the lower lug nut (6).
6. A double-threaded mechanical claw with reliable clamping function according to claim 1, characterized in that: the bottom of the motor component (10) is connected with the support (11), a flange end cover is arranged on a motor shaft at the top of the motor component, four bolt through holes which are uniformly distributed are formed in the flange end cover of the motor shaft, and the flange end cover is connected with the flange end cover at the bottom of the double-threaded rod (4) through bolts, so that synchronous movement of the motor shaft of the double-threaded rod (4) and the motor component (10) is realized.
7. The double-threaded mechanical claw for reliably clamping the workpieces as recited in claim 6, wherein: the double-threaded rod (4) is arranged at the center of the whole mechanical claw structure, the outer wall of the double-threaded rod (4) is divided into three sections from top to bottom, and the three sections are sequentially provided with an upper section positive thread, a middle section smooth outer wall and a lower section negative thread; four threaded holes which are uniformly distributed are formed in the flange end cover at the bottom of the double threaded rod (4) and correspond to the bolt through holes in the flange end cover of the motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122003752.1U CN215701816U (en) | 2021-08-24 | 2021-08-24 | Double-thread mechanical claw reliable in clamping |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122003752.1U CN215701816U (en) | 2021-08-24 | 2021-08-24 | Double-thread mechanical claw reliable in clamping |
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| Publication Number | Publication Date |
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| CN215701816U true CN215701816U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122003752.1U Active CN215701816U (en) | 2021-08-24 | 2021-08-24 | Double-thread mechanical claw reliable in clamping |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618772A (en) * | 2021-08-24 | 2021-11-09 | 浙江工业大学 | Double-thread mechanical claw reliable in clamping |
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2021
- 2021-08-24 CN CN202122003752.1U patent/CN215701816U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113618772A (en) * | 2021-08-24 | 2021-11-09 | 浙江工业大学 | Double-thread mechanical claw reliable in clamping |
| CN113618772B (en) * | 2021-08-24 | 2024-05-28 | 浙江工业大学 | Double-threaded rod mechanical claw with reliable clamping |
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