Grabbing device for iron drum and mechanical arm assembly of grabbing device

Abstract

The utility model belongs to the field of clamping devices, and particularly relates to a grabbing device for an iron drum and a mechanical arm assembly of the grabbing device, which comprise a plate I, a plate II, a plate III, a bottom plate and a linear driving part, one ends of the first plate, the second plate and the third plate are provided with cambered surfaces corresponding to the side wall of an iron drum 10 to be grabbed, the first plate, the second plate and the third plate are parallel to one another, and the other ends of the first plate and the second plate are fixed to the bottom plate; the cambered surface end of the third plate is provided with a magnet, and the other end of the third plate is connected with the output end of the linear driving part. And the linear driving part is fixed on the bottom plate. According to the grabbing device for the iron drum, when the iron drum is grabbed, the cambered surfaces of the first plate, the second plate and the third plate are attached to the side wall of the iron drum, and the iron drum is attracted by the magnets to be grabbed; when the iron drum is put down, the first plate and the second plate continue to abut against the iron drum, the linear driving part drives the third plate to retract, and the magnet is separated from the iron drum. The problem of iron drum deformation caused by clamping of a thin iron drum can be effectively avoided, and the occupied space is small during clamping.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of clamping device, concretely relates to a grabbing device for iron drum and mechanical arm assembly thereof. BACKGROUND

[0002] When clamping workpieces similar to iron drum shape, usually set up a clamping jaw to clamp from the left and right or front and back of iron drum, or at least hold more than half a circle of iron drum side wall, so as to clamp iron drum. This clamping mode has at least two disadvantages, one of which is that if the wall of iron drum is thin, deformation of iron drum is caused during clamping, and the other is that this clamping structure cannot be used in some narrow spaces. SUMMARY

[0003] The grabbing device for iron drum and mechanical arm assembly thereof provided by the utility model can effectively solve the problems in the background art.

[0004] The grabbing device for iron drum provided by the utility model comprises a plate one, a plate two, a plate three, a bottom plate and a linear driving part, one end of the plate one, the plate two and the plate three is provided with an arc surface corresponding to an arc surface to be grabbed, the plate one, the plate two and the plate three are parallel to each other, the other end of the plate one and the plate two is fixed on the bottom plate, the arc surface end of the plate three is provided with a magnet, the other end of the plate three is connected with the output end of the linear driving part, and the linear driving part is fixed on the bottom plate.

[0005] As further optimization of the utility model, the plate three is provided with two plates, and the linear driving part is provided with two linear driving parts and drives the two plates respectively.

[0006] As further optimization of the utility model, the grabbing device further comprises a sliding rail and a sliding block, the sliding rail is provided with two groups, the two groups of sliding rails are fixed on the plate one and the plate two respectively, the sliding block is provided with two groups, the two groups of sliding blocks are arranged on the two groups of sliding rails respectively, and the two plates of the plate three are connected with the two groups of sliding blocks respectively.

[0007] As further optimization of the utility model, the two plates of the plate three are arranged between the plate one and the plate two.

[0008] As further optimization of the utility model, each group of sliding rails is provided with two sliding rails.

[0009] As further optimization of the utility model, the arc surface of the plate three is provided with a plurality of slot holes, and the magnet is arranged in the slot hole.

[0010] The utility model further provides a mechanical arm assembly, which comprises a mechanical arm, and the output end of the mechanical arm is connected with the grabbing device for iron drum.

[0011] As further optimization of the utility model, the mechanical arm assembly further comprises a frame body, the frame body is connected with the output end of the mechanical arm, the frame body is provided with a sliding channel, the bottom plate is fixed on the sliding channel and can be adjusted in the installation position along the direction of the sliding channel.

[0012] As further optimization of the utility model, two groups of grabbing devices are arranged on the slide.

[0013] The utility model provides a kind of grabbing device for iron bucket, when grabbing iron bucket, the arc surface of plate one, plate two, plate three is attached to the side wall of iron bucket, magnet attracts and grabs iron bucket;When iron bucket is put down, plate one, plate two continue to resist iron bucket, and linear drive part drives plate three to retract, so that magnet can be separated from iron bucket.The problem of deformation of iron bucket caused by clamping thin iron bucket can be effectively avoided, and the space occupied during clamping is small. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structural schematic diagram of example 1;

[0015] Figure 2 It is Figure 1 Another perspective structural schematic diagram;

[0016] Figure 3 It is the structural schematic diagram of example 2;

[0017] Among them, plate one 1, plate two 2, plate three 3, slot hole 3a, bottom plate 4, linear drive part 5, sliding block 6, slide rail 7, mechanical arm 8, frame body 9, iron bucket 10, side plate 11. DETAILED DESCRIPTION

[0018] Example 1

[0019] As Figure 1 , 2 Indicated, including plate one 1, plate two 2, plate three 3, bottom plate 4 and linear drive part 5.

[0020] One end of plate one 1, plate two 2 and plate three 3 is provided with the arc surface corresponding to the outer arc surface of the side wall of the iron bucket 10 to be grabbed, plate one 1, plate two 2 and plate three 3 are parallel to each other, the end head opposite to the arc surface end of plate one 1 and plate two 2 is fixed on the bottom plate 4, and plate one 1 and plate two 2 are perpendicular to the bottom plate 4.

[0021] The arc surface end of plate three 3 is provided with magnet, specifically, a plurality of slot holes 3a are arranged on the arc surface of plate three 3, and the magnet is arranged in the slot hole 3a.The end head opposite to the arc surface end of plate three 3 is fixed on the output end of linear drive part 5.Linear drive part 5 can adopt air cylinder, hydraulic cylinder, ball screw, etc., and air cylinder is adopted in the embodiment.Linear drive part 5 is fixed on the bottom plate 4.In the embodiment, the width of plate one 1 and plate two 2 is same, and the width of plate three 3 is less than that of plate one 1 and plate two 2, so that plate three 3 has contraction space.In other embodiments, if the side wall of the iron bucket 10 to be clamped is a relatively obvious conical surface, the width of plate one 1 and plate two 2 can also be different to adapt to the iron bucket 10 to be clamped.

[0022] Two plate threes 3 are arranged between the plate one 1 and the plate two 2, in other embodiments, the plate three 3 can also be arranged above or below the plate one 1 and the plate two 2, the advantage of being arranged in the middle is that the driving position can be hidden, further, two side plates 11 are arranged, the two side plates 11 are respectively arranged on the two sides of the plate one 1 and the plate two 2, and the safety is further improved.

[0023] Preferably, the embodiment further comprises a sliding rail 7 and a sliding block 6. The sliding rail 7 is provided with two groups, and the two groups of sliding rails 7 are respectively fixed on the plate one 1 and the plate two 2, each group of sliding rails 7 is provided with two and parallel to each other, the sliding block 6 is provided with two groups, and the two groups of sliding blocks 6 are respectively arranged on the two groups of sliding rails 7. Two plate threes 3 are respectively connected with the two groups of sliding blocks 6. In this way, the flat stretching and shrinking of the plate three 3 can be ensured.

[0024] Embodiment 2

[0025] The embodiment provides a mechanical arm assembly, characterized in that the mechanical arm assembly comprises a mechanical arm 8, and an output end of the mechanical arm 8 is connected with the bottom plate 4 in the embodiment 1.

[0026] Further, the embodiment further comprises a frame body 9, the frame body 9 is connected with the output end of the mechanical arm 8, and two groups of the grabbing devices in the embodiment 1 are arranged on the frame body 9 from top to bottom. Specifically, two sliding tracks are arranged on the frame body 9, the bottom plate 4 is fixed on the sliding tracks and can slide back and forth on the sliding tracks to adjust the position and then be fixed. The frame body 9 directly adopts a profile, and the bottom plate 4 is fixed on the profile by using a sliding buckle, and the bottom plate 4 can slide on the sliding groove of the profile by loosening the sliding buckle.

[0027] It should be noted that the up, down and other directions described in the embodiment are all referred to the drawings, and are used for describing the technical scheme, but do not limit the protection scope.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical scheme of the utility model, and do not limit the protection scope of the utility model, although the utility model is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the essence and scope of the technical scheme of the utility model.

Claims

1. A gripping device for iron buckets, characterized in that, The device comprises a first plate, a second plate, a third plate, a bottom plate and a linear driving part; the first plate, the second plate and the third plate are provided with arc surfaces corresponding to the arc surfaces of the iron bucket to be grabbed; the first plate and the second plate are fixed on the bottom plate; the arc surface end of the third plate is provided with a magnet; the other end of the third plate is connected with the output end of the linear driving part; and the linear driving part is fixed on the bottom plate.

2. A gripping device for iron drums according to claim 1, characterized in that, The third plate is provided with two plates, and the linear driving part is provided with two linear driving parts for driving the two plates respectively.

3. A gripping device for iron drums according to claim 2, characterized in that, The device further comprises slide rails and slide blocks; the slide rails are provided with two groups, and the two groups of slide rails are fixed on the first plate and the second plate respectively; the slide blocks are provided with two groups, and the two groups of slide blocks are arranged on the two groups of slide rails respectively; and the two plates of the third plate are connected with the two groups of slide blocks respectively.

4. A gripping device for iron drums according to claim 3, characterized in that, The two plates of the third plate are arranged between the first plate and the second plate.

5. A gripping device for iron drums according to claim 3, characterized in that, Each group of slide rails is provided with two slide rails.

6. A gripping device for iron drums according to claim 1, characterized in that, The arc surface of the third plate is provided with a plurality of slot holes, and the magnet is arranged in the slot hole.

7. A robotic arm assembly, comprising: The device further comprises a mechanical arm; the output end of the mechanical arm is connected with the grabbing device for the iron bucket.

8. A robotic arm assembly according to claim 7, wherein, The device further comprises a frame; the frame is connected with the output end of the mechanical arm; the frame is provided with a slide way, and the bottom plate is fixed on the slide way and can be adjusted in the installation position along the direction of the slide way.

9. A robotic arm assembly according to claim 8, wherein, The slide way is provided with two groups of grabbing devices.

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