CN215848287U

CN215848287U - Automatic mechanical arm

Info

Publication number: CN215848287U
Application number: CN202122214270.0U
Authority: CN
Inventors: 吴婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-18
Anticipated expiration: 2031-09-14

Abstract

The utility model provides an automatic mechanical arm and relates to the technical field of mechanical arms. The automated mechanical arm comprises: the output end of the mechanical arm is connected with a first connecting post; a second connecting column is connected below the first connecting column; the lower surface of the second connecting column is fixedly connected with an outer protective shell; the workpiece clamping mechanism is connected with the outer protective shell and is used for clamping a workpiece; the adsorption mechanism with the activity function has the activity function that one part of the adsorption mechanism is connected with the second connecting column, and the other part of the adsorption mechanism is arranged in the inner cavity of the outer protective shell. The automatic mechanical arm provided by the utility model has the advantage of effectively coping with unexpected power failure.

Description

Automatic mechanical arm

Technical Field

The utility model relates to the technical field of mechanical arms, in particular to an automatic mechanical arm.

Background

Along with the development of industrial technology, more and more arms are used in the industrial process, wherein common arm types include clamping arms, punching arms, welding arms and the like, and along with the development of the technology, the automation degree of various arms is higher and higher.

When clamping metal workpieces, the clamping mechanical arm in the prior art often does not consider the condition of accidental power failure, when the power failure occurs accidentally, the metal workpieces in clamping generally directly drop on the workbench, the whole device is damaged, and the required processing cost is increased.

Therefore, there is a need to provide a new automated robot arm to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an automatic mechanical arm capable of effectively dealing with unexpected power failure.

The utility model provides an automated mechanical arm, comprising: the output end of the mechanical arm is connected with a first connecting post; a second connecting column is connected below the first connecting column; the lower surface of the second connecting column is fixedly connected with an outer protective shell; the workpiece clamping mechanism is connected with the outer protective shell and is used for clamping a workpiece; the adsorption mechanism with the activity function has the activity function that one part of the adsorption mechanism is connected with the second connecting column, and the other part of the adsorption mechanism is arranged in the inner cavity of the outer protective shell.

Preferably, the adsorption mechanism comprises an electromagnet, a vertically through mounting groove is formed in the second connecting column, the electromagnet is fixedly connected in the mounting groove, the lower surface of the electromagnet is connected with a circular magnet, and a balancing weight is fixedly mounted on the lower surface of the circular magnet; an annular through groove is formed in the outer protective shell, and a third connecting column is arranged in the annular through groove; an elastic limiting ring which is annular and is used for elastically supporting the third connecting column is fixedly connected in the annular through groove; the lower surface of the third connecting column is fixedly connected with a fourth connecting column, and the lower end of the fourth connecting column extends to the lower portion of the outer protective shell and is fixedly connected with a square magnet.

Preferably, the electromagnet, the circular magnet and the balancing weight are concentric, the upper surface of the electromagnet is connected with a first connecting column, and the first connecting column is located above the second connecting column.

Preferably, the adsorption apparatus further comprises a buffer rubber block, the buffer rubber block is fixedly connected with the upper surface of the third connecting column, and the buffer rubber block is located under the balancing weight.

Preferably, the lower surface of the third connecting column is connected with a plurality of springs which are uniformly and circumferentially arranged, and the lower ends of the springs are connected with the outer protective shell.

Preferably, the first connecting column and the second connecting column are in rotating connection.

Preferably, the workpiece clamping mechanism comprises an electro-hydraulic servo actuator, the electro-hydraulic servo actuator is connected with the outer surface of the outer protective shell, and the side of the electro-hydraulic servo actuator is connected with a clamping plate.

Compared with the related art, the automatic mechanical arm provided by the utility model has the following beneficial effects:

1. when the device is used, the electromagnet loses magnetism during power failure so that the circular magnet drives the balancing weight to fall downwards, the third connecting column moves downwards across the elastic limiting ring by means of impact force generated in the process, and finally the square magnet is driven to be in contact with a metal plate to be clamped.

2. According to the utility model, the impact force generated by collision is reduced by the arrangement of the buffer rubber block, the third connecting column, the spring and the like, when the balancing weight is driven by the circular magnet to move downwards, part of the impact force can be counteracted through the buffer rubber block, the damage of instruments caused by direct contact between the balancing weight and the third connecting column is avoided, and when the third connecting column descends, the direct contact between the third connecting column and the outer protective shell can be avoided through the spring, so that the outer protective shell is prevented from being broken by the third connecting column.

Drawings

FIG. 1 is a schematic diagram of a preferred embodiment of an automated robotic arm according to the present invention;

FIG. 2 is a schematic diagram showing the positional relationship among an electromagnet, a circular magnet, a weight block, a cushion rubber block, a third connecting column, a spring, a fourth connecting column and a square magnet according to the present invention;

fig. 3 is a schematic view of the matching relationship of the circular magnet, the third connecting column, the spring, the fourth connecting column and the elastic limiting ring.

Reference numbers in the figures: 1. a mechanical arm; 2. a first connecting column; 3. a second connecting column; 4. an electro-hydraulic servo actuator; 5. a splint; 6. clamping a metal plate; 7. an adsorption mechanism; 71. an electromagnet; 72. a circular magnet; 73. a balancing weight; 74. buffering the rubber block; 75. a third connecting column; 76. a spring; 77. a fourth connecting column; 78. a square magnet; 79. an elastic limit ring; 8. an outer protective shell.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1-3, an automated robotic arm includes: the mechanical arm comprises a mechanical arm 1, wherein the output end of the mechanical arm 1 is connected with a first connecting post 2; a second connecting column 3 is connected below the first connecting column 2; the lower surface of the second connecting column 3 is fixedly connected with an outer protective shell 8; the workpiece clamping mechanism is connected with the outer protective shell 8, and is used for clamping a workpiece; the adsorption mechanism 7 has a moving function, one part of the adsorption mechanism 7 is connected with the second connecting column 3, and the other part of the adsorption mechanism 7 is arranged in the inner cavity of the outer protective shell 8.

Need to explain: when power is unexpectedly cut off, the workpiece clamping mechanism can be reset to a certain extent, the clamping effect of the metal plate 6 to be clamped is reduced, and at the moment, the square magnet 78 can move downwards and adsorb the metal plate 6 to be clamped through the matching work of the second connecting column 3, the adsorption mechanism 7 and the outer protective shell 8, so that the damage of instruments caused by the falling of the metal plate 6 to be clamped is effectively prevented;

it is also stated that: after adsorbing and waiting to press from both sides and get metal sheet 6, the workman is manual to take off and wait to press from both sides and get metal sheet 6 and can.

Referring to fig. 2 and 3, the adsorption mechanism 7 includes an electromagnet 71, a vertically through mounting groove is formed in the second connecting column 3, the electromagnet 71 is fixedly connected in the mounting groove, a circular magnet 72 is connected to the lower surface of the electromagnet 71, and a counterweight 73 is fixedly mounted to the lower surface of the circular magnet 72; an annular through groove is formed in the outer protective shell 8, and a third connecting column 75 is arranged in the annular through groove; an annular elastic limiting ring 79 for elastically supporting the third connecting column 75 is fixedly connected in the annular through groove; the lower surface of the third connecting column 75 is fixedly connected with a fourth connecting column 77, and the lower end of the fourth connecting column 77 extends to the lower part of the outer protective shell 8 and is fixedly connected with a square magnet 78.

Need to explain: electromagnet 71 can lose magnetism after the outage, and then makes circular magnet 72 drive balancing weight 73 synchronous downstream, and after contacting with third spliced pole 75, the produced impact force of motion process can make third spliced pole 75 cross elasticity spacing ring 79 downstream, finally drives square magnet 78 and stretches out downwards and will treat to press from both sides and get metal sheet 6 and adsorb and live, and whole process is short-lived when using, can effectively prevent to treat to press from both sides the dropping of getting metal sheet 6.

Referring to fig. 2, the electromagnet 71, the circular magnet 72 and the weight 73 are concentric, the upper surface of the electromagnet 71 is connected with the first connecting column 2, and the first connecting column 2 is located above the second connecting column 3.

Need to explain: electromagnet 71 loses magnetism after the device is powered off, and electromagnet 71, circular magnet 72 and counterweight 73 are concentric, so that counterweight 73 is more stable when moving downwards.

Referring to fig. 2, the adsorption mechanism 7 further includes a buffer rubber block 74, the buffer rubber block 74 is fixedly connected to the upper surface of the third connecting column 75, and the buffer rubber block 74 is located right below the counter weight 73.

Need to explain: when the buffering rubber block 74 is located under the balancing weight 73, the balancing weight 73 can be effectively prevented from directly contacting the third connecting column 75 after falling off, and the third connecting column 75 is prevented from being broken by a smashing object.

Referring to fig. 2, a plurality of springs 76 are connected to the lower surface of the third connecting column 75 in a uniform circumferential arrangement, and the lower ends of the springs 76 are connected to the outer protective casing 8.

Need to explain: when the third connecting column 75 receives the impact force to move downwards, the third connecting column will finally contact with the outer protective shell 8, and the spring 76 is arranged, so that the third connecting column 75 can be prevented from being in direct contact with the outer protective shell 8, damage to instruments is prevented, and in addition, the spring 76 can enable the descending process of the third connecting column 75 to be smoother.

Referring to fig. 1, the first connecting column 2 and the second connecting column 3 are rotatably connected.

Need to explain: when first spliced pole 2 and second spliced pole 3 are connected for rotating, can realize waiting to press from both sides of different positions and get metal sheet 6 and press from both sides and get, effectively improved work efficiency.

Referring to fig. 1, the workpiece clamping mechanism comprises an electro-hydraulic servo actuator 4, the electro-hydraulic servo actuator 4 is connected with the outer surface of an outer protective shell 8, and a clamping plate 5 is connected to the side edge of the electro-hydraulic servo actuator 4.

Need to explain: when unexpected outage, electro-hydraulic servo actuator 4 has the condition that resets, and splint 5 will be driven synchronous reset this moment, keeps away from at splint 5 and treats to press from both sides and get behind the metal sheet 6, treats that the clamp is got metal sheet 6 and can drop down, and through the cooperation work of adsorption equipment 7 and other parts, can realize treating the absorption of getting metal sheet 6 of pressing from both sides, avoids treating to get metal sheet 6 and directly drops.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An automated robotic arm, comprising:

the mechanical arm (1), the output end of the mechanical arm (1) is connected with a first connecting post (2); a second connecting column (3) is connected below the first connecting column (2); the lower surface of the second connecting column (3) is fixedly connected with an outer protective shell (8);

the workpiece clamping mechanism is connected with the outer protective shell (8), and clamps the workpiece through the workpiece clamping mechanism;

the adsorption mechanism (7) with the activity function is characterized in that one part of the adsorption mechanism (7) with the activity function is connected with the second connecting column (3), and the other part of the adsorption mechanism (7) is installed in the inner cavity of the outer protective shell (8).

2. The automated mechanical arm according to claim 1, wherein the adsorption mechanism (7) comprises an electromagnet (71), a vertically through mounting groove is formed in the second connecting column (3), the electromagnet (71) is fixedly connected in the mounting groove, a circular magnet (72) is connected to the lower surface of the electromagnet (71), and a balancing weight (73) is fixedly mounted on the lower surface of the circular magnet (72); an annular through groove is formed in the outer protective shell (8), and a third connecting column (75) is arranged in the annular through groove; an annular elastic limiting ring (79) which is used for elastically supporting the third connecting column (75) is fixedly connected in the annular through groove; the lower surface fixedly connected with fourth spliced pole (77) of third spliced pole (75), the lower extreme of fourth spliced pole (77) extends to the below of outer protective housing (8) and fixedly connected with square magnet (78).

3. The automated mechanical arm according to claim 2, wherein the electromagnet (71), the circular magnet (72) and the counterweight (73) are concentric, the upper surface of the electromagnet (71) is connected with the first connecting column (2), and the first connecting column (2) is positioned above the second connecting column (3).

4. The automated mechanical arm according to claim 1, wherein the adsorption mechanism (7) further comprises a buffer rubber block (74), the buffer rubber block (74) is fixedly connected with the upper surface of the third connecting column (75), and the buffer rubber block (74) is located right below the balancing weight (73).

5. The automated mechanical arm according to claim 4, wherein the lower surface of the third connecting column (75) is connected with a plurality of springs (76) in a uniform circumferential arrangement, and the lower ends of the springs (76) are connected with the outer protective shell (8).

6. The automated arm according to claim 4, characterized in that said first (2) and second (3) connecting posts are rotary connections.

7. The automated mechanical arm according to claim 3, wherein the workpiece clamping mechanism comprises an electro-hydraulic servo actuator (4), the electro-hydraulic servo actuator (4) is connected with the outer surface of the outer protective shell (8), and a clamping plate (5) is connected to the side edge of the electro-hydraulic servo actuator (4).