CN212686874U

CN212686874U - Clamping mechanism

Info

Publication number: CN212686874U
Application number: CN202021365634.4U
Authority: CN
Inventors: 陈骅
Original assignee: Bozhon Precision Industry Technology Co Ltd
Current assignee: Bozhon Precision Industry Technology Co Ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-03-12
Anticipated expiration: 2030-07-13

Abstract

The utility model relates to an electronic product detects technical field, specifically discloses a press from both sides and gets mechanism. This press from both sides and get mechanism includes the manipulator body and snatchs the subassembly, snatchs the subassembly and includes mount, a plurality of absorption portion and a plurality of lift driving piece, and a plurality of lift driving piece interval sets up on the mount, and every lift driving piece can drive the absorption portion that corresponds and go up and down in vertical direction to be close to or keep away from and wait to shift the work piece, the absorption portion can adsorb and wait to shift the work piece, and the manipulator body is configured as the drive and snatchs the subassembly and rotate around vertical direction. The utility model provides a press from both sides and get mechanism can once only realize grabbing and shifting a plurality of work pieces of waiting to shift, and the material loading efficiency is higher, and a plurality of absorption portions can the autonomous working, do not influence each other to make this clamp get the mechanism and can adjust according to the quantity that bears the weight of the position that sets up on the workstation, the commonality is stronger.

Description

Clamping mechanism

Technical Field

The utility model relates to an electronic product detects technical field, especially relates to a press from both sides and get mechanism.

Background

In the fields of machine manufacturing, metallurgy, electronics and light industry, in order to reduce the workload of operators, a clamping assembly is usually used for completing the loading and unloading operation of workpieces, and a clamping mechanism can grab, carry and transfer the workpieces according to a fixed program, so that the heavy labor of the operators is replaced, and the mechanization and automation of production are realized.

In the prior art, in order to improve machining efficiency, the workbench of multistation is usually arranged, namely, a plurality of workpieces can be placed on the workbench at one time, and the machining of the plurality of workpieces can be completed by one-time feeding, so that the machining efficiency is higher. However, the existing clamping mechanism is usually provided with only one chuck, the clamping mechanism can only grab one workpiece at a time and transfer the workpiece to the workbench, and then grab another workpiece again for transfer until a preset number of workpieces are placed on the workbench, the movement stroke of the clamping mechanism for completing one-time feeding is large, and the feeding efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a press from both sides and get mechanism can once only press from both sides and get a plurality of work pieces and shift it to predetermineeing the position, and material loading efficiency is higher.

As the conception, the utility model adopts the technical proposal that:

a gripping mechanism, comprising:

the grabbing assembly comprises a fixing frame, a plurality of adsorption parts and a plurality of lifting driving pieces, the plurality of lifting driving pieces are arranged on the fixing frame at intervals, each lifting driving piece can drive the corresponding adsorption part to ascend and descend in the vertical direction so as to be close to or far away from a workpiece to be transferred, and the adsorption parts can adsorb the workpiece to be transferred;

a robot body configured to drive the grasping assembly to rotate about a vertical direction.

As a preferable scheme of the clamping mechanism, the plurality of lifting driving members include a first lifting driving member and a second lifting driving member, and the first lifting driving member and the second lifting driving member are respectively arranged on two sides of the fixed frame;

the plurality of adsorption parts comprise a first adsorption part and a second adsorption part, the output end of the first lifting driving part is connected with the first adsorption part, and the output end of the second lifting driving part is connected with the second adsorption part.

As a preferable aspect of the gripping mechanism, each of the adsorption parts includes:

the fixed plate group is connected to the output end of the corresponding lifting driving piece;

the sucking disc, the sucking disc set up in on the fixed plate group, the sucking disc is used for adsorbing wait to shift the work piece.

As a preferred scheme of the clamping mechanism, the number of the suckers is multiple, and the suckers are distributed on the fixed plate group in an array manner.

As a preferable aspect of the gripping mechanism, the fixed plate group includes:

the upper fixing plate is connected with the output end of the corresponding lifting driving piece;

the upper fixing plate is located above the lower fixing plate, two ends of the buffer piece are connected with the upper fixing plate and the lower fixing plate respectively, and the suckers are arranged on the lower fixing plate.

As a preferable embodiment of the gripping mechanism, the buffer member is a spring.

As a preferable scheme of the clamping mechanism, one of the upper fixing plate and the lower fixing plate is provided with a guide post, the other of the upper fixing plate and the lower fixing plate is provided with a guide hole, and the guide post is arranged in the guide hole in a penetrating manner and can slide relative to the guide hole.

As a preferred scheme of the clamping mechanism, the number of the guide columns and the number of the guide holes are multiple, and the guide columns and the guide holes are in one-to-one correspondence.

As a preferable scheme of the clamping mechanism, a limiting part is arranged at the end part of the guide post.

As a preferable scheme of the gripping mechanism, the manipulator body is a multi-axis manipulator.

The utility model has the advantages that:

the utility model provides a clamping mechanism, this clamping mechanism includes manipulator body and snatchs the subassembly, snatch the subassembly and include mount, a plurality of absorption portion and a plurality of lift driving piece, the absorption portion is used for adsorbing the work piece that waits to shift, manipulator body is used for driving and snatchs the subassembly and rotate around vertical direction to realize treating the transfer of shifting the work piece, through setting up a plurality of absorption portions on the mount, every absorption portion all can adsorb a work piece that waits to shift, make this clamping mechanism can once only realize snatching and shifting a plurality of work pieces that wait to shift, the material loading efficiency is higher; through setting up a plurality of lift driving pieces and a plurality of absorption portion one-to-one, every lift driving piece can drive the absorption portion that corresponds and go up and down in vertical direction to be close to or keep away from and wait to shift the work piece, make a plurality of absorption portions can the autonomous working, each other does not influence, thereby make this clamp get the mechanism and can adjust according to the quantity that bears the weight of the position that sets up on the workstation, so that the absorption portion of presetting quantity snatchs the corresponding work piece of waiting to shift simultaneously, the commonality is stronger.

Drawings

Fig. 1 is a schematic structural diagram of a gripping mechanism provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a grabbing component of the grabbing mechanism provided by the embodiment of the present invention;

fig. 3 is a partial enlarged view of fig. 2 at a.

In the figure:

1-a manipulator body; 11-a base; 12-a first rotary drive source; 13-a first rotating frame; 14-a second rotating frame; 15-a third rotary drive source;

2-a grasping assembly; 21-a fixing frame; 22-a first lifting drive; 23-a second lifting drive; 24-a first adsorption section; 241-an upper fixing plate; 242-lower fixing plate; 243-suction cup; 244-a stop; 245-a guide post; 25-second adsorption part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-2, the present embodiment provides a clamping mechanism, which includes a robot body 1 and a gripping assembly 2, wherein the gripping assembly 2 includes a fixing frame 21, a plurality of suction portions and a plurality of lifting driving members, the plurality of lifting driving members are disposed at intervals on the fixing frame 21, each lifting driving member can drive the corresponding suction portion to lift in a vertical direction so as to approach or separate from a workpiece to be transferred, the suction portions can suck the workpiece to be transferred, and the robot body 1 is configured to drive the gripping assembly 2 to rotate around the vertical direction.

According to the clamping mechanism provided by the embodiment, the adsorption parts are used for adsorbing the workpieces to be transferred, the manipulator body 1 is used for driving the grabbing component 2 to rotate around the vertical direction so as to transfer the workpieces to be transferred, and the plurality of adsorption parts are arranged on the fixing frame 21, so that each adsorption part can adsorb one workpiece to be transferred, the clamping mechanism can grab and transfer the workpieces to be transferred at one time, and the feeding efficiency is high; through setting up a plurality of lift driving pieces and a plurality of absorption portion one-to-one, every lift driving piece can drive the absorption portion that corresponds and go up and down in vertical direction to be close to or keep away from and wait to shift the work piece, make a plurality of absorption portions can the autonomous working, each other does not influence, thereby make this clamp get the mechanism and can adjust according to the quantity that bears the weight of the position that sets up on the workstation, so that the absorption portion of presetting quantity snatchs the corresponding work piece of waiting to shift simultaneously, the commonality is stronger.

Further, in the present embodiment, the robot body 1 is a multi-axis robot. Specifically, as shown in fig. 1, the robot body 1 includes a base 11, a first rotary drive source 12, a first rotary frame 13, second rotary driving source, second swivel mount 14 and third rotary driving source 15, base 11 sets up in frame 9, first rotary driving source 12 sets up on base 11, the output of first rotary driving source 12 links to each other with the one end of first swivel mount 13, first rotary driving source 12 can drive first swivel mount 13 and rotate around vertical direction, second rotary driving source sets up in the other end of first swivel mount 13, the output of second rotary driving source is connected with second swivel mount 14, second rotary driving source can drive second swivel mount 14 and rotate around vertical direction, third rotary driving source 15 sets up on second swivel mount 14, the output of third rotary driving source 15 with pick subassembly 2 and link to each other, third rotary driving source 15 is used for the drive to pick subassembly 2 and rotates around vertical direction. Among them, the first rotation drive source 12, the second rotation drive source, and the third rotation drive source 15 are each embodied as a rotating electric machine. By providing the first rotary drive source 12, the second rotary drive source, and the third rotary drive source 15, the active area of the grasping assembly 2 can be increased, improving its flexibility in rotating about the vertical direction.

Further, as shown in fig. 2, in this embodiment, the number of the lifting driving member and the number of the absorption portions are two, the lifting driving member includes a first lifting driving member 22 and a second lifting driving member 23, the first lifting driving member 22 and the second lifting driving member 23 are respectively disposed on two sides of the fixing frame 21, the absorption portions include a first absorption portion 24 and a second absorption portion 25, the output end of the first lifting driving member 22 is connected to the first absorption portion 24, and the output end of the second lifting driving member 23 is connected to the second absorption portion 25. Of course, in other embodiments, the numbers of the lifting driving member and the absorption portion can be adjusted according to actual conditions to match different production processes.

Further, each adsorption part comprises a fixed plate group and a suction cup 243, the fixed plate group is connected to the output end of the corresponding lifting driving piece, the suction cup 243 is arranged on the fixed plate group, and the suction cup 243 is used for adsorbing the workpiece to be transferred. Specifically, the suction cup 243 is connected to a vacuum generator, and the workpiece to be transferred is firmly adsorbed by the vacuum generator.

Preferably, as shown in fig. 3, the number of the suction cups 243 is plural, and the plural suction cups 243 are distributed on the fixed plate group in an array. The plurality of suction cups 243 simultaneously adsorb the workpiece to be transferred, so that the contact area between the workpiece to be transferred and the suction cups 243 can be increased, and the adsorption effect is improved.

Further, as shown in fig. 2, the fixing plate set includes an upper fixing plate 241, a lower fixing plate 242 and a buffer, the upper fixing plate 241 is connected to the output end of the corresponding lifting driving element, the lower fixing plate 242 and the buffer, the upper fixing plate 241 is located above the lower fixing plate 242, two ends of the buffer are respectively connected to the upper fixing plate 241 and the lower fixing plate 242, and the suction cup 243 is disposed on the lower fixing plate 242. By providing the buffer member between the upper fixing plate 241 and the lower fixing plate 242, when the suction portion catches the workpiece to be transferred, the buffer member can play a role in buffering, and the damage of the workpiece to be coated with a film can be prevented.

Further, one of the upper fixing plate 241 and the lower fixing plate 242 is provided with a guide post 245, the other of the upper fixing plate 241 and the lower fixing plate 242 is provided with a guide hole, and the guide post 245 penetrates through the guide hole and can slide relative thereto. By providing the guide posts 245 and the guide holes, it is possible to provide a guide for the movement of the lower fixing plate 242 with respect to the upper fixing plate 241, and to maintain the relative stability between the upper fixing plate 241 and the lower fixing plate 242. Preferably, the buffer is a spring, and the spring is sleeved on the guide post 245.

In this embodiment, the guiding posts 245 are disposed on the upper fixing plate 241, and the guiding holes are correspondingly disposed on the lower fixing plate 242.

Preferably, the number of the guide posts 245 and the guide holes is plural, and the plurality of guide posts 245 and the plurality of guide holes correspond to each other one by one. In this embodiment, the number of the guide posts 245 and the guide holes is four, the four guide posts 245 are respectively located at four corners of the upper fixing plate 241, and the four guide holes are respectively located at four corners of the lower fixing plate 242. Of course, the number of the guide posts 245 and the guide holes can be adjusted according to actual situations, and this embodiment is not limited.

Further, a limiting member 244 is disposed at an end of each guiding post 245 far from the upper fixing plate 241, and is used for limiting the sliding of the guiding post 245 along the guiding hole, so as to prevent the guiding post 245 from slipping off. Preferably, the limiting member 244 is made of rubber, so that the buffering performance is good and the manufacturing cost is low.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A gripping mechanism, comprising:

the grabbing assembly (2) comprises a fixing frame (21), a plurality of adsorption parts and a plurality of lifting driving parts, the plurality of lifting driving parts are arranged on the fixing frame (21) at intervals, each lifting driving part can drive the corresponding adsorption part to ascend and descend in the vertical direction so as to be close to or far away from a workpiece to be transferred, and the adsorption parts can adsorb the workpiece to be transferred;

a robot body (1) configured to drive the gripper assembly (2) to rotate about a vertical direction.

2. The gripping mechanism of claim 1, wherein the plurality of lifting drives includes a first lifting drive (22) and a second lifting drive (23), the first lifting drive (22) and the second lifting drive (23) being disposed on opposite sides of the fixed frame (21), respectively;

the plurality of adsorption parts comprise a first adsorption part (24) and a second adsorption part (25), the output end of the first lifting driving part (22) is connected with the first adsorption part (24), and the output end of the second lifting driving part (23) is connected with the second adsorption part (25).

3. The gripping mechanism of claim 1, wherein each of the suction portions comprises:

the suction cup (243), the suction cup (243) sets up on the fixed plate group, suction cup (243) are used for adsorbing the work piece that waits to shift.

4. The gripping mechanism of claim 3, wherein the number of suction cups (243) is plural, and the plural suction cups (243) are distributed on the fixed plate group in an array.

5. The gripper mechanism of claim 3 wherein the set of fixed plates comprises:

the upper fixing plate (241) is connected with the output end of the corresponding lifting driving piece;

the buffer piece comprises a lower fixing plate (242) and a buffer piece, wherein the upper fixing plate (241) is located above the lower fixing plate (242), two ends of the buffer piece are respectively connected with the upper fixing plate (241) and the lower fixing plate (242), and a sucker (243) is arranged on the lower fixing plate (242).

6. The grasping mechanism according to claim 5, wherein the buffer is a spring.

7. The gripping mechanism of claim 5, wherein one of the upper fixed plate (241) and the lower fixed plate (242) is provided with a guide post (245), and the other of the upper fixed plate (241) and the lower fixed plate (242) is provided with a guide hole, the guide post (245) being inserted into the guide hole and being slidable relative thereto.

8. The grasping mechanism according to claim 7, wherein the number of the guide posts (245) and the number of the guide holes are plural, and the plural guide posts (245) and the plural guide holes correspond one-to-one.

9. The gripper mechanism of claim 7 wherein the ends of the guide posts (245) are provided with stops (244).

10. Gripping mechanism according to any one of claims 1-9, characterized in that the manipulator body (1) is a multi-axis manipulator.