CN218082749U - Circular workpiece grabbing mechanism - Google Patents
Circular workpiece grabbing mechanism Download PDFInfo
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- CN218082749U CN218082749U CN202222477562.8U CN202222477562U CN218082749U CN 218082749 U CN218082749 U CN 218082749U CN 202222477562 U CN202222477562 U CN 202222477562U CN 218082749 U CN218082749 U CN 218082749U
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Abstract
The utility model discloses a circular workpiece grabbing mechanism, which comprises a mounting frame, a driving device and two sliding parts; the two sliding parts are connected to the mounting frame in a sliding mode; the sliding part is connected with at least two material clamping columns; the driving device is respectively connected with the two sliding parts and used for driving the two sliding parts to move in opposite directions so that the material clamping column abuts against the outer side wall of the workpiece to clamp the workpiece. The utility model discloses can press from both sides and get circular shape work piece, can satisfy the clamp of circular shape work piece and get the requirement.
Description
Technical Field
The utility model relates to a circular workpiece snatchs mechanism.
Background
At present, in the high-end manufacturing field, in order to improve the production efficiency and reduce the labor cost, more and more enterprises adopt a mechanical arm to complete feeding and discharging, the grabbing mechanism is required to be installed on the manipulator to clamp a workpiece when the manipulator is used for feeding and discharging, the square workpiece is easy to clamp, and a certain difficulty exists when the square workpiece is required to be clamped. For example, chinese patent publication No. CN109015725a discloses a gripping mechanism capable of gripping a workpiece, but the gripping mechanism cannot grip a circular workpiece and cannot meet the gripping requirement of the circular workpiece.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a circular workpiece snatchs mechanism, it can press from both sides and get circular shape work piece, can satisfy circular workpiece's clamp and get the requirement.
In order to solve the technical problem, the technical scheme of the utility model is that: a circular workpiece grabbing mechanism comprises a mounting frame, a driving device and two sliding parts; wherein the content of the first and second substances,
the two sliding parts are connected to the mounting rack in a sliding manner;
the sliding part is connected with at least two material clamping columns;
the driving device is respectively connected with the two sliding parts and used for driving the two sliding parts to move in opposite directions so that the material clamping column abuts against the outer side wall of the workpiece to clamp the workpiece.
Furthermore, each sliding part is connected with two material clamping columns.
Further provided is a concrete structure of the sliding part, which comprises a sliding seat and a cross beam; wherein, the first and the second end of the pipe are connected with each other,
the sliding seat is connected to the mounting frame in a sliding manner;
the cross beam is connected to the sliding seat;
the two ends of the cross beam are respectively connected with the material clamping columns.
Further provides a concrete structure of the material clamping column, wherein the material clamping column comprises a connecting rod, a sleeve and a fastener; wherein the content of the first and second substances,
one end part of the connecting rod is connected to the cross beam;
the sleeve is sleeved on the connecting rod;
the fastener is connected to the other end of the connecting rod, abuts against the sleeve and defines the sleeve on the connecting rod.
The driving device comprises driving components which correspond to the sliding parts one by one, and the driving components are connected to the mounting frame, connected with the corresponding sliding parts and used for driving the corresponding sliding parts to slide.
Further provides a concrete structure of the driving assembly, the driving assembly comprises a driving cylinder, a first driving arm and a second driving arm; wherein the content of the first and second substances,
one end of the first driving arm is hinged to the mounting frame;
the other end of the first driving arm is hinged with one end of the second driving arm;
the other end of the second driving arm is hinged with the corresponding sliding component;
one end of the driving cylinder is hinged to the mounting frame;
the other end of the driving cylinder is hinged to the first driving arm, and the driving cylinder is used for driving the first driving arm to rotate so as to drive the corresponding sliding component to slide through the second driving arm.
Furthermore, the driving assembly also comprises a limiting column connected to the mounting frame;
the limiting column is connected to the mounting frame and used for abutting against one side of the first driving arm when the first driving arm rotates to be collinear with the second driving arm so as to limit the position of the first driving arm.
Further provides a specific structure of the second driving arm, wherein the second driving arm comprises a front connecting block, a rear connecting block, a front nut, a rear nut and a connecting screw rod; wherein the content of the first and second substances,
the front connecting blocks are hinged with the corresponding sliding components, and the rear connecting blocks are hinged with the corresponding first driving arms;
the front end part of the connecting screw rod is provided with a first thread part, and the first thread part is in threaded connection with the front connecting block;
the rear end part of the connecting screw rod is provided with a second thread part, and the second thread part is in threaded connection with the rear connecting block;
the turning directions of the first thread part and the second thread part are opposite;
the front nut is in threaded connection with the first threaded part and is used for being screwed to abut against the front connecting block so as to lock the relative positions of the connecting screw and the front connecting block;
the rear nut is in threaded connection with the second threaded portion and used for screwing to abut against the rear connecting block to lock the relative position of the connecting screw and the rear connecting block.
Further, a hinge shaft between the driving cylinder and the first driving arm coincides with a hinge shaft between the first driving arm and the second driving arm; wherein the content of the first and second substances,
a piston rod of the driving cylinder is connected with a hinge block;
a hinge groove is formed in the hinge block;
the rear connecting block is arranged in the hinge groove and is hinged with the hinge block through a cylindrical pin;
the first driving arm comprises an upper arm body and a lower arm body;
one end part of the upper arm body and one end part of the lower arm body are hinged on the mounting frame;
the other end of the upper arm body and the other end of the lower arm body are hinged on the cylindrical pin;
the hinged block is located between the upper arm body and the lower arm body.
There is further provided a specific structure of the mount, the mount including:
the main frame body is connected with the sliding component in a sliding manner;
the support is connected to the main frame body, a first mounting block is connected to the support, and a cylinder body of the driving cylinder is hinged to the corresponding first mounting block;
the second mounting block is connected to the main frame body, and one end part of the first driving arm is hinged to the corresponding second mounting block;
one end part of the connecting cylinder is connected to the main frame body;
a flange portion connected to the other end portion of the connection cylinder.
After the technical scheme is adopted, the workpiece can be in a circular structure, the workpiece can be a workpiece on a machine tool or a workpiece conveyed by a conveying mechanism, and the position of the workpiece is relatively fixed. The two sliding parts move oppositely under the driving of the driving device, so that the material clamping columns on the two sliding parts respectively abut against the outer cylindrical wall of the workpiece, the circular workpiece is clamped, and the clamping requirement of the circular workpiece is met. The mounting rack can be connected to a manipulator, and the manipulator can carry the clamped workpiece when driving the mounting rack to move.
Drawings
Fig. 1 is a first schematic structural view of the circular workpiece gripping mechanism of the present invention;
fig. 2 is a schematic structural diagram of a circular workpiece gripping mechanism of the present invention;
fig. 3 is a schematic structural view of the sliding member of the present invention;
fig. 4 is a schematic structural diagram of the driving assembly of the present invention;
fig. 5 is a schematic structural view of a second driving arm according to the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1~4, a circular workpiece gripping mechanism includes a mounting frame 100, a driving device, and two sliding members 200; wherein the content of the first and second substances,
both of the sliding members 200 are slidably connected to the mounting bracket 100;
the sliding part 200 is connected with at least two material clamping columns 1;
the driving device is respectively connected with the two sliding parts 200 and is used for driving the two sliding parts 200 to move oppositely so as to enable the material clamping column 1 to abut against the outer side wall of the workpiece 2 and further clamp the workpiece 2; specifically, the workpiece 2 may have a circular structure, the workpiece 2 may be a workpiece 2 on a machine tool, or a workpiece 2 conveyed by a conveying mechanism, and the position of the workpiece 2 is relatively fixed. The two sliding parts 200 move oppositely under the driving of the driving device, so that the material clamping columns 1 on the two sliding parts 200 respectively abut against the outer cylindrical wall of the workpiece 2, the circular workpiece 2 is clamped, and the clamping requirement of the circular workpiece 2 is met. Further specifically, the mounting frame 100 may be connected to a robot, and the robot drives the mounting frame 100 to move so as to carry the clamped workpiece 2.
In this embodiment, two material clamping columns 1 are connected to each sliding member 200.
As shown in fig. 1~4, the sliding member 200 is, for example and without limitation, a structure including a sliding seat 3 and a cross member 4; wherein, the first and the second end of the pipe are connected with each other,
the sliding seat 3 is slidably connected to the mounting frame 100;
the cross beam 4 is connected to the sliding seat 3;
two ends of the cross beam 4 are respectively connected with one material clamping column 1; specifically, the sliding seat 3 is slidably connected to the mounting frame 100 through a linear sliding rail; in the present embodiment, the sliding direction of the sliding seat 3 is perpendicular to the length direction of the cross beam 4.
As shown in fig. 3, the clip column 1 may include a connecting rod 5, a sleeve 6, and a fastener 7; wherein the content of the first and second substances,
one end part of the connecting rod 5 is connected to the cross beam 4;
the sleeve 6 is sleeved on the connecting rod 5;
said fastener 7 being connected to the other end of said connecting rod 5, abutting against said sleeve 6 and confining said sleeve 6 to said connecting rod 5; in this embodiment, the fastening member 7 may be a connecting nut, and the sleeve 6 can rotate relative to the connecting rod 5, so as to avoid friction between the sleeve 6 and the workpiece 2 when the workpiece 2 is clamped, and thus avoid scratching the workpiece 2.
As shown in fig. 1, 2 and 4, the driving device may include driving assemblies corresponding to the sliding members 200 one to one, and the driving assemblies are connected to the mounting frame 100 and connected to the corresponding sliding members 200 and are configured to drive the corresponding sliding members 200 to slide.
As shown in fig. 1, 2 and 4, the driving assembly is, for example, but not limited to, a structure including a driving cylinder 8, a first driving arm 9 and a second driving arm 10; wherein, the first and the second end of the pipe are connected with each other,
one end of the first driving arm 9 is hinged to the mounting frame 100;
the other end of the first drive arm 9 is hinged to one end of the second drive arm 10;
the other end of the second driving arm 10 is hinged to the corresponding sliding member 200;
one end of the driving cylinder 8 is hinged on the mounting frame 100;
the other end of the driving cylinder 8 is hinged to the first driving arm 9, and the driving cylinder 8 is used for driving the first driving arm 9 to rotate so as to drive the corresponding sliding component 200 to slide through the second driving arm 10; in this embodiment, the second driving arm 10 is hinged to the sliding seat 3 in the sliding component 200, the cylinder body of the driving cylinder 8 is hinged to the mounting frame 100, and the piston rod of the driving cylinder 8 is hinged to the first driving arm 9.
As shown in fig. 2 and 4, the driving assembly may further include a limit post 11 connected to the mounting bracket 100;
the limiting column 11 is connected to the mounting frame 100 and is used for abutting against one side of the first driving arm 9 when the first driving arm 9 rotates to be collinear with the second driving arm 10 so as to limit the position of the first driving arm 9; in this embodiment, the driving cylinder 8 is located at one side of the first driving arm 9, and the limit post 11 is located at the other side of the first driving arm 9. When the driving cylinder 8 extends, the first driving arm 9 is driven to rotate, and the second driving arm 10 drives the sliding component 200 to move towards the workpiece 2. The purpose of the positioning posts 11 is to drive the sliding component 200 to move away from the workpiece 2 and further to be unable to clamp the workpiece 2 if the driving cylinder 8 continues to extend when the first driving arm 9 rotates to be collinear with the second driving arm 10. Therefore, the limiting column 11 is arranged, when the first driving arm 9 rotates to be collinear with the second driving arm 10, the limiting column 11 is abutted against the first driving arm 9, and the driving cylinder 8 cannot extend continuously.
As shown in fig. 4 and 5, the second driving arm 10 includes, for example, but not limited to, a front connecting block 12, a rear connecting block 13, a front nut 14, a rear nut 15, and a connecting screw 16; wherein the content of the first and second substances,
the front connecting blocks 12 are hinged with the corresponding sliding components 200, and the rear connecting blocks 13 are hinged with the corresponding first driving arms 9;
a first thread part is arranged at the front end part of the connecting screw rod 16 and is in threaded connection with the front connecting block 12;
a second thread part is arranged at the rear end part of the connecting screw rod 16 and is in threaded connection with the rear connecting block 13;
the turning directions of the first thread part and the second thread part are opposite;
the front nut 14 is screwed on the first threaded part and is used for screwing to abut against the front connecting block 12 to lock the relative positions of the connecting screw 16 and the front connecting block 12;
the rear nut 15 is screwed on the second thread part and is used for being screwed to abut against the rear connecting block 13 so as to lock the relative positions of the connecting screw 16 and the rear connecting block 13; specifically, the front connecting block 12 and the rear connecting block 13 can be moved toward or away from each other by rotating the connecting screw 16, that is, the length of the second driving arm 10 can be adjusted, and thus the length of the corresponding moving distance of the sliding member 200 can be adjusted. In the present embodiment, the middle portion of the screw has a screw portion 17, and the cross-sectional shape of the screw portion 17 may be a quadrangle or a hexagon.
As shown in fig. 2 and 4, the hinge axis between the driving cylinder 8 and the first driving arm 9 coincides with the hinge axis between the first driving arm 9 and the second driving arm 10; wherein the content of the first and second substances,
a piston rod of the driving cylinder 8 is connected with a hinge block 18;
a hinge groove is formed in the hinge block 18;
the rear connecting block 13 is arranged in the hinge groove and is hinged with the hinge block 18 through a cylindrical pin 19;
the first driving arm 9 includes an upper arm body 20 and a lower arm body 21;
one end of the upper arm body 20 and one end of the lower arm body 21 are both hinged on the mounting frame 100;
the other end of the upper arm body 20 and the other end of the lower arm body 21 are both hinged on the cylindrical pin 19;
the hinge block 18 is located between the upper arm body 20 and the lower arm body 21.
As shown in fig. 1 and 2, the mounting block 100 may be, for example, but not limited to, the following structure:
a main frame 22, to which the slide member 200 is slidably attached;
the support 23 corresponds to the driving cylinder 8, the support 23 is connected to the main frame body 22, the support 23 is connected with a first mounting block 24, and the cylinder body of the driving cylinder 8 is hinged to the corresponding first mounting block 24;
a second mounting block 25 corresponding to the first driving arm 9, wherein the second mounting block 25 is connected to the main frame body 22, and one end of the first driving arm 9 is hinged to the corresponding second mounting block 25;
a connection cylinder 26, one end of the connection cylinder 26 being connected to the main frame 22;
a flange portion 27, the flange portion 27 being connected to the other end portion of the connection cylinder 26; specifically, the flange portion 27 may be connected to a robot, so that the entire circular workpiece gripping mechanism is connected to the robot, and reinforcing ribs are further provided between the main frame 22, the connecting cylinder 26, and the flange portion 27.
The utility model discloses a theory of operation as follows:
the workpiece 2 may be a circular structure, the workpiece 2 may be a workpiece 2 on a machine tool, or a workpiece 2 conveyed by a conveying mechanism, and the position of the workpiece 2 is relatively fixed. The two sliding parts 200 move oppositely under the driving of the driving device, so that the material clamping columns 1 on the two sliding parts 200 respectively abut against the outer cylindrical wall of the workpiece 2, the circular workpiece 2 is clamped, and the clamping requirement of the circular workpiece 2 is met. The mounting frame 100 may be connected to a robot, and the robot drives the mounting frame 100 to move so as to carry the clamped workpiece 2.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A circular workpiece grabbing mechanism is characterized by comprising a mounting frame (100), a driving device and two sliding parts (200); wherein the content of the first and second substances,
the two sliding parts (200) are connected to the mounting frame (100) in a sliding mode;
the sliding component (200) is connected with at least two material clamping columns (1);
the driving device is respectively connected with the two sliding parts (200) and used for driving the two sliding parts (200) to move oppositely so as to enable the material clamping column (1) to abut against the outer side wall of the workpiece (2) and further clamp the workpiece (2).
2. The circular workpiece gripping mechanism as claimed in claim 1, wherein two gripper bars (1) are connected to each sliding member (200).
3. The circular workpiece gripping mechanism according to claim 1, characterized in that the sliding part (200) comprises a sliding seat (3) and a cross beam (4); wherein the content of the first and second substances,
the sliding seat (3) is connected to the mounting frame (100) in a sliding manner;
the cross beam (4) is connected to the sliding seat (3);
the two ends of the cross beam (4) are respectively connected with the material clamping columns (1).
4. The circular workpiece grabbing mechanism according to claim 3 characterized in that said gripping column (1) comprises a connecting rod (5), a sleeve (6) and a fastener (7); wherein the content of the first and second substances,
one end part of the connecting rod (5) is connected to the cross beam (4);
the sleeve (6) is sleeved on the connecting rod (5);
the fastener (7) is connected to the other end of the connecting rod (5), abuts against the sleeve (6) and defines the sleeve (6) on the connecting rod (5).
5. The circular workpiece gripping mechanism as claimed in claim 1, wherein the driving means comprises driving assemblies corresponding to the sliding members (200) one by one, the driving assemblies being connected to the mounting frame (100) and connected to the corresponding sliding members (200) and being used for driving the corresponding sliding members (200) to slide.
6. The circular workpiece gripping mechanism according to claim 5, wherein the drive assembly comprises a drive cylinder (8), a first drive arm (9) and a second drive arm (10); wherein, the first and the second end of the pipe are connected with each other,
one end of the first driving arm (9) is hinged on the mounting frame (100);
the other end of the first driving arm (9) is hinged with one end of the second driving arm (10);
the other end of the second driving arm (10) is hinged with the corresponding sliding component (200);
one end of the driving cylinder (8) is hinged on the mounting frame (100);
the other end of the driving cylinder (8) is hinged to the first driving arm (9), and the driving cylinder (8) is used for driving the first driving arm (9) to rotate so as to drive the corresponding sliding component (200) to slide through the second driving arm (10).
7. The circular workpiece gripping mechanism of claim 6,
the driving assembly further comprises a limiting column (11) connected to the mounting frame (100);
the limiting column (11) is connected to the mounting frame (100) and used for abutting against one side of the first driving arm (9) when the first driving arm (9) rotates to be collinear with the second driving arm (10) so as to limit the position of the first driving arm (9).
8. The circular workpiece gripping mechanism according to claim 6, wherein the second driving arm (10) comprises a front connecting block (12), a rear connecting block (13), a front nut (14), a rear nut (15) and a connecting screw (16); wherein, the first and the second end of the pipe are connected with each other,
the front connecting block (12) is hinged with the corresponding sliding component (200), and the rear connecting block (13) is hinged with the corresponding first driving arm (9);
the front end part of the connecting screw rod (16) is provided with a first thread part, and the first thread part is in threaded connection with the front connecting block (12);
the rear end part of the connecting screw rod (16) is provided with a second threaded part, and the second threaded part is in threaded connection with the rear connecting block (13);
the turning directions of the first thread part and the second thread part are opposite;
the front nut (14) is screwed on the first threaded part and is used for screwing to the front connecting block (12) so as to lock the relative positions of the connecting screw rod (16) and the front connecting block (12);
the rear nut (15) is in threaded connection with the second threaded portion and is used for screwing to abut against the rear connecting block (13) to lock the relative positions of the connecting screw (16) and the rear connecting block (13).
9. The circular workpiece gripping mechanism of claim 8,
the hinge shaft between the driving cylinder (8) and the first driving arm (9) is superposed with the hinge shaft between the first driving arm (9) and the second driving arm (10); wherein the content of the first and second substances,
a piston rod of the driving cylinder (8) is connected with a hinged block (18);
a hinge groove is formed in the hinge block (18);
the rear connecting block (13) is arranged in the hinge groove and is hinged with the hinge block (18) through a cylindrical pin (19);
the first driving arm (9) comprises an upper arm body (20) and a lower arm body (21);
one end part of the upper arm body (20) and one end part of the lower arm body (21) are hinged on the mounting frame (100);
the other end of the upper arm body (20) and the other end of the lower arm body (21) are hinged on the cylindrical pin (19);
the hinge block (18) is located between the upper arm body (20) and the lower arm body (21).
10. The circular workpiece gripping mechanism of claim 6, wherein the mounting frame (100) comprises:
the main frame body (22), the sliding component (200) is connected to the main frame body (22) in a sliding mode;
the support (23) corresponds to the driving cylinder (8), the support (23) is connected to the main frame body (22), a first mounting block (24) is connected to the support (23), and a cylinder body of the driving cylinder (8) is hinged to the corresponding first mounting block (24);
a second mounting block (25) corresponding to the first driving arm (9), wherein the second mounting block (25) is connected to the main frame body (22), and one end part of the first driving arm (9) is hinged to the corresponding second mounting block (25);
a connection cylinder (26), one end of the connection cylinder (26) being connected to the main frame (22);
a flange portion (27), wherein the flange portion (27) is connected to the other end of the connection cylinder (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477562.8U CN218082749U (en) | 2022-09-19 | 2022-09-19 | Circular workpiece grabbing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222477562.8U CN218082749U (en) | 2022-09-19 | 2022-09-19 | Circular workpiece grabbing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218082749U true CN218082749U (en) | 2022-12-20 |
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ID=84453242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222477562.8U Active CN218082749U (en) | 2022-09-19 | 2022-09-19 | Circular workpiece grabbing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218082749U (en) |
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- 2022-09-19 CN CN202222477562.8U patent/CN218082749U/en active Active
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