CN119974041A - A claw-type grasping mechanism for bearings - Google Patents
A claw-type grasping mechanism for bearings Download PDFInfo
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- CN119974041A CN119974041A CN202510411134.0A CN202510411134A CN119974041A CN 119974041 A CN119974041 A CN 119974041A CN 202510411134 A CN202510411134 A CN 202510411134A CN 119974041 A CN119974041 A CN 119974041A
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Abstract
The invention discloses a paw type grabbing mechanism for a bearing, which relates to the technical field of grabbing mechanisms, and the technical scheme comprises an air cylinder, wherein the lower end of the air cylinder is fixedly connected with a mounting plate, the lower end of the mounting plate is fixedly connected with an electric telescopic rod, the bottom of the electric telescopic rod is provided with a positioning mechanism, the electric telescopic rod can drive the positioning mechanism to move up and down, in the process of grabbing the bearing, the positioning mechanism arranged at the bottom can be driven by the electric telescopic rod to move downwards firstly, so that the bearing enters into an inner ring of the bearing, then, the positioning mechanism is only required to be started, the positioning blocks arranged on two sides can be driven to extend outwards through the positioning mechanism, so that the bearing can be positioned to be coaxial with the positioning shell in the positioning block extending process, the bearing is not required to be positioned in the subsequent grabbing process, the positioning mechanism is convenient and quick, the positioning mechanism can also fix the bearing through the positioning block from the inside, and the positioning block is matched with the grabbing mechanism in the inside and outside, so that the stability in the grabbing process can be effectively improved.
Description
Technical Field
The invention relates to the technical field of grabbing mechanisms, in particular to a claw type grabbing mechanism for a bearing.
Background
The gripper type grabbing mechanism is a mechanical device widely applied to the fields of automation and robots, is particularly suitable for grabbing and carrying workpieces such as bearings and the like, is generally composed of a plurality of components, adopts flexible design, can accurately grab workpieces of different shapes and sizes, can avoid damage in the carrying process, can be quickly and accurately opened and closed by adopting electric, pneumatic or hydraulic driving, is suitable for various industrial requirements, is extremely important in clamping force and stability, can effectively prevent the bearings from slipping or deforming in the carrying process when grabbing the bearings, is common in production lines, storage systems and automatic assembly, can remarkably improve labor productivity, lightens the burden of manual operation, and promotes the progress of industrial automation.
Through searching, the invention patent of China patent No. CN118143723A discloses a paw type grabbing mechanism for a bearing, which comprises a fixed support component and a tapered roller body, wherein a driving component is fixedly arranged at the upper end of the fixed support component, a clamping component is fixedly arranged at one end of the driving component, a movable component is fixedly connected at the upper end of the clamping component, and the clamping component comprises a mounting piece. According to the invention, through the cooperation of the structures such as the first connecting block and the second connecting block, the situation that the material cannot be clamped when the material is manually grabbed by using the iron clamp is avoided, the tapered roller body is abutted by the first connecting block, the second connecting block and the first spring telescopic rod, the second connecting block moves towards the direction close to the mounting piece, and the first spring telescopic rod gives an elastic force to the second connecting block, so that the tapered roller body is better grabbed, the grabbing of the tapered roller is more stable, the labor cost is reduced, and the working efficiency is improved. Compared with the prior art, the invention patent with the Chinese patent number of CN118143723A solves the problems that the tapered roller is transferred by manually grabbing objects by using an iron clamp, the tapered roller is transferred from one station to another station, the materials are manually grabbed by using the iron clamp, the labor cost is increased, the efficiency is low, and meanwhile, the materials cannot be clamped due to limited labor.
However, in the practical use process of the device, the mechanism needs to convey the bearing to a preset position before clamping the bearing, and the requirement on the positioning accuracy is high, and the contact effect between the clamping piece and the bearing is easily insufficient due to the fact that the bearing deviates from the preset position by a certain distance, so that the clamping stability of the mechanism is reduced, and therefore, the claw type grabbing mechanism for the bearing is provided.
Disclosure of Invention
The invention aims to solve the defects that the mechanism needs to convey a bearing to a preset position before clamping the bearing, the requirement on the positioning accuracy is high, and the contact effect between a clamping piece and the bearing is insufficient due to the fact that the bearing deviates from the preset position by a certain distance, so that the clamping stability of the mechanism is reduced.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The paw type grabbing mechanism for the bearing comprises an air cylinder, wherein the lower end of the air cylinder is fixedly connected with a mounting plate, the lower end of the mounting plate is fixedly connected with an electric telescopic rod, the bottom of the electric telescopic rod is provided with a positioning mechanism, the electric telescopic rod can drive the positioning mechanism to move up and down, and the positioning mechanism drives positioning blocks arranged on two sides to stretch outwards;
The mounting panel bottom is provided with snatchs the mechanism, it can drive the inside closure of the clamp that both sides set up and carry out the centre gripping to the bearing outer loop to snatch the mechanism, it is provided with the chuck to clamp the clamp bottom, the chuck is the arc structure, cylinder rear end fixedly connected with drive mechanism, drive mechanism can drive the cylinder and remove, drive mechanism bottom fixedly connected with bracing piece, the bracing piece lower extreme is provided with slewing mechanism, slewing mechanism can drive the bracing piece and take place to rotate.
The technical scheme further comprises the following steps:
The positioning mechanism comprises a positioning shell fixedly connected to the bottom of the electric telescopic rod, a positioning frame is fixedly connected to the inside of the positioning shell, a fourth motor is arranged on the upper portion of the positioning frame, a positioning assembly is arranged at the output end of the fourth motor, and positioning blocks are fixedly connected to two sides of the positioning assembly.
The positioning assembly comprises a worm arranged at the output end of a fourth motor, the worm is rotationally connected with the positioning frame, a fourth gear is symmetrically meshed and connected with two sides of the worm, the fourth gear is rotationally connected with the positioning frame, a worm wheel is fixedly connected with the fourth gear, a transmission rack is meshed and connected with the worm wheel, the transmission rack is in sliding connection with the positioning frame, and a positioning block is fixedly connected with one side of the transmission rack away from the positioning frame.
The grabbing mechanism comprises a clamping shell fixedly connected to the bottom of the mounting plate, a third motor is arranged on one side of the clamping shell, and a grabbing component is arranged at the output end of the third motor.
The grabbing component comprises a fifth gear arranged at the output end of the third motor, the third gear is connected with the fifth gear in a meshed mode, second screw rods are fixedly connected to two sides of the third gear, and clamping plates are connected with the second screw rods in a threaded mode.
The clamping shell is characterized in that a limiting rod is fixedly connected to the bottom of the clamping shell, and clamping plates are connected to two sides of the limiting rod in a sliding manner.
The transmission mechanism comprises a transmission groove fixedly connected with the upper end of the support rod, a second motor is arranged on one side of the transmission groove, and a transmission assembly is arranged at the output end of the second motor.
The transmission assembly comprises a first screw rod arranged at the output end of the second motor, the first screw rod is rotationally connected with the transmission groove, a transmission piece is in threaded connection with the first screw rod, the transmission piece is in sliding connection with the transmission groove, and an air cylinder is fixedly connected to one side, away from the transmission groove, of the transmission piece.
The rotating mechanism comprises a rotating base arranged on the lower side of the supporting rod, a first motor is arranged inside the rotating base, and a rotating assembly is arranged at the output end of the first motor.
The rotating assembly comprises a first gear arranged at the output end of the first motor, the first gear is connected with a second gear in a meshed mode, the second gear is connected with the rotating base in a rotating mode, and a supporting rod is fixedly connected to one side, away from the rotating base, of the second gear.
The invention has the following beneficial effects:
1. In the invention, the positioning mechanism arranged at the bottom can be driven to move downwards by the electric telescopic rod in the grabbing process of the bearing, so that the bearing enters the bearing inner ring, then the positioning mechanism is only required to be started, the positioning blocks arranged at two sides can be driven to extend outwards by the positioning mechanism, so that the bearing is propped against the bearing inner ring, and the bearing can be positioned to be coaxial with the positioning shell in the stretching process of the positioning blocks, so that the bearing is not required to be positioned in the subsequent grabbing process, the bearing is convenient and quick, and the positioning mechanism can be fixed to the bearing from the inside by the positioning blocks and is matched with the inside and outside of the grabbing mechanism, so that the stability in the grabbing process can be effectively improved.
2. According to the invention, after grabbing is completed, the fixedly connected air cylinder can be driven to move through the transmission mechanism, so that the grabbed bearing is driven to move, the stability of the moving process and the accuracy of the moving distance are ensured through the moving mode of the ball screw, and the bearing is driven to rotate through the rotating mechanism arranged at the bottom, so that the bearing can be efficiently and stably moved to another processing table.
Drawings
Fig. 1 is a schematic structural view of a claw-type gripping mechanism for a bearing according to the present invention;
FIG. 2 is a schematic view of the internal structure of the rotating mechanism according to the present invention;
FIG. 3 is a schematic diagram of a transmission mechanism according to the present invention;
FIG. 4 is a schematic view of the positioning mechanism and the grasping mechanism of the present invention;
FIG. 5 is a schematic view of a gripping mechanism according to the present invention;
FIG. 6 is a schematic view of the interior of the gripping mechanism of the present invention;
FIG. 7 is a schematic view of a positioning mechanism according to the present invention;
FIG. 8 is a schematic view of the positioning mechanism according to the present invention;
fig. 9 is a schematic structural diagram of a positioning assembly according to the present invention.
In the figure, 1, a cylinder; 2, a mounting plate, 3, a clamping plate, 4, an electric telescopic rod, 5, a transmission groove, 6, a supporting rod, 7, a rotating base, 8, a first motor, 9, a first gear, 10, a second gear, 11, a second motor, 12, a first screw rod, 13, a transmission part, 14, a positioning shell, 15, a clamping shell, 16, a third motor, 17, a clamping head, 18, a third gear, 19, a second screw rod, 20, a limiting rod, 21, a positioning block, 22, a positioning frame, 23, a transmission rack, 24, a fourth motor, 25, a worm, 26, a worm gear, 27, a fourth gear, 28 and a fifth gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1-9, a claw type grabbing mechanism for a bearing comprises an air cylinder 1, wherein the lower end of the air cylinder 1 is fixedly connected with a mounting plate 2, the lower end of the mounting plate 2 is fixedly connected with an electric telescopic rod 4, the bottom of the electric telescopic rod 4 is provided with a positioning mechanism, the electric telescopic rod 4 can drive the positioning mechanism to move up and down, and the positioning mechanism drives positioning blocks 21 arranged on two sides to extend outwards;
The bottom of the mounting plate 2 is provided with a grabbing mechanism, the grabbing mechanism can drive the clamping plates 3 arranged on two sides to be closed inwards to clamp the outer ring of the bearing, the bottom of the clamping plates 3 is provided with a chuck 17, the chuck 17 is of an arc-shaped structure, the rear end of the air cylinder 1 is fixedly connected with a transmission mechanism, the transmission mechanism can drive the air cylinder 1 to move, the bottom of the transmission mechanism is fixedly connected with a supporting rod 6, the lower end of the supporting rod 6 is provided with a rotating mechanism, and the rotating mechanism can drive the supporting rod 6 to rotate;
The positioning mechanism comprises a positioning shell 14 fixedly connected to the bottom of the electric telescopic rod 4, a positioning frame 22 is fixedly connected to the inside of the positioning shell 14, a fourth motor 24 is arranged on the upper portion of the positioning frame 22, a positioning component is arranged at the output end of the fourth motor 24, the positioning component comprises a worm 25 arranged at the output end of the fourth motor 24, the worm 25 is rotationally connected with the positioning frame 22, fourth gears 27 are symmetrically meshed and connected to two sides of the worm 25, the fourth gears 27 are rotationally connected with the positioning frame 22, a worm wheel 26 is fixedly connected to the fourth gears 27, a transmission rack 23 is meshed and connected to the worm wheel 26, the transmission rack 23 is in sliding connection with the positioning frame 22, and a positioning block 21 is fixedly connected to one side, far away from the positioning frame 22, of the transmission rack 23;
The grabbing mechanism comprises a clamping shell 15 fixedly connected to the bottom of the mounting plate 2, a third motor 16 is arranged on one side of the clamping shell 15, a grabbing component is arranged at the output end of the third motor 16 and comprises a fifth gear 28 arranged at the output end of the third motor 16, the fifth gear 28 is connected with a third gear 18 in a meshed mode, two sides of the third gear 18 are fixedly connected with a second screw rod 19, the second screw rod 19 is in threaded connection with a clamping plate 3, a limiting rod 20 is fixedly connected to the bottom of the clamping shell 15, and two sides of the limiting rod 20 are in sliding connection with the clamping plate 3.
In the embodiment, when the device is used, firstly, the air cylinder 1 drives the mounting plate 2 to move downwards, the movement is stopped after the device approaches a bearing, then the electric telescopic rod 4 arranged at the bottom of the mounting plate 2 is started, the positioning shell 14 is driven to move downwards by the electric telescopic rod 4, the positioning shell 14 enters the inner ring of the bearing, then the fourth motor 24 is started, the worm 25 is driven by the fourth motor 24 to rotate, the worm 25 rotates to drive the worm wheel 26 which is in meshed connection with the two sides to rotate, the worm wheel 26 rotates to drive the fourth gear 27 which is in fixed connection to rotate, the fourth gear 27 rotates to drive the transmission rack 23 which is in meshed connection to move, so that the positioning blocks 21 on the two sides are driven to move outwards to stretch, and the bearing can be pushed to move coaxially with the positioning shell 14 in the stretching process of the positioning block 21, so that the bearing is positioned rapidly, and meanwhile, the bearing inner ring is supported and fixed by the positioning block 21, and the stability of the bearing in the grabbing process is ensured;
After the fixing is completed, the third motor 16 is started, the fifth gear 28 is driven to rotate through the third motor 16, the fifth gear 28 rotates to drive the third gear 18 which is in meshed connection to rotate, the third gear 18 rotates to drive the second screw rods 19 which are fixedly connected to the two sides to rotate, the clamping plate 3 which is in threaded connection can be driven to move through the rotation of the second screw rods 19, the clamping heads 17 which are arranged at the bottom are driven to be closed inwards to clamp the outer ring of the bearing, the limiting rod 20 can limit the clamping plate 3 in the moving process of the clamping plate 3, the stability of the moving process of the clamping plate 3 is guaranteed, the fixing is provided for the bearing from the inside through the positioning block 21, the clamping plate is matched with the inner side and the outer side of the clamping heads 17, and the grabbing effect can be effectively improved.
Example two
As shown in fig. 1-9, the transmission mechanism comprises a transmission groove 5 fixedly connected with the upper end of a supporting rod 6, one side of the transmission groove 5 is provided with a second motor 11, the output end of the second motor 11 is provided with a transmission assembly, the transmission assembly comprises a first screw rod 12 arranged at the output end of the second motor 11, the first screw rod 12 is rotationally connected with the transmission groove 5, a transmission piece 13 is in threaded connection with the first screw rod 12, the transmission piece 13 is in sliding connection with the transmission groove 5, and one side, far away from the transmission groove 5, of the transmission piece 13 is fixedly connected with a cylinder 1;
the rotating mechanism comprises a rotating base 7 arranged on the lower side of a supporting rod 6, a first motor 8 is arranged inside the rotating base 7, a rotating assembly is arranged at the output end of the first motor 8, the rotating assembly comprises a first gear 9 arranged at the output end of the first motor 8, a second gear 10 is connected with the first gear 9 in a meshed mode, the second gear 10 is connected with the rotating base 7 in a rotating mode, and the supporting rod 6 is fixedly connected to one side of the second gear 10 away from the rotating base 7.
In this embodiment, after the grabbing is completed, the cylinder 1 is started to drive the bearing to rise, then the second motor 11 is started, the first screw rod 12 is driven to rotate by the second motor 11, the first screw rod 12 rotates to drive the transmission part 13 in threaded connection to move, and then the fixedly connected cylinder 1 is driven to move, the stability of the moving process and the accuracy of the moving distance are guaranteed by the moving mode of the ball screw, the first motor 8 is arranged inside the rotating base 7 to drive the first gear 9 to rotate by starting, the first gear 9 rotates to drive the second gear 10 in meshed connection to rotate, the supporting rod 6 and the grabbing mechanism arranged above the supporting rod 6 can be driven to rotate, and the bearing can be efficiently and stably moved to another processing table by matching the transmission mechanism with the rotating mechanism.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510411134.0A CN119974041A (en) | 2025-04-02 | 2025-04-02 | A claw-type grasping mechanism for bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510411134.0A CN119974041A (en) | 2025-04-02 | 2025-04-02 | A claw-type grasping mechanism for bearings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119974041A true CN119974041A (en) | 2025-05-13 |
Family
ID=95624778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510411134.0A Withdrawn CN119974041A (en) | 2025-04-02 | 2025-04-02 | A claw-type grasping mechanism for bearings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119974041A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120206273A (en) * | 2025-05-28 | 2025-06-27 | 山西工程技术学院 | A clamp for machining |
-
2025
- 2025-04-02 CN CN202510411134.0A patent/CN119974041A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120206273A (en) * | 2025-05-28 | 2025-06-27 | 山西工程技术学院 | A clamp for machining |
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Application publication date: 20250513 |
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| WW01 | Invention patent application withdrawn after publication |