Grabbing device

Abstract

The utility model relates to a gripping device, which comprises a rack, a first driving mechanism, a second driving mechanism, a gripping mechanism and a driving mechanism, the first clamping jaw is rotatably mounted on the rack through a first rotating shaft, and the upper end of the first clamping jaw is connected to the first driving mechanism; the second clamping jaw is rotatably mounted on the rack through a second rotating shaft, and the upper end of the second clamping jaw is connected to the second driving mechanism; the first clamping jaw and the second clamping jaw are both in a C shape, and the opening directions of the first clamping jaw and the second clamping jaw are opposite. The two C-shaped clamping jaws are oppositely arranged, the two driving mechanisms are used for driving the two clamping jaws to rotate correspondingly, and the two clamping jaws are used in cooperation to have clamping force in the horizontal direction and upward clamping force, so that powdery materials in irregular shapes or with soft packaging bags can be clamped, time and labor are saved, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial production field, concretely relates to a kind of grabbing device. BACKGROUND

[0002] In the industrial production process, often need to load and unload on the material of conveying belt.For the irregular shape material or soft powder material of packaging bag, traditional clamping mechanism clamping is difficult, easy to fall off, artificial handling is time-consuming and laborious, and the efficiency is low. UTILITY MODEL CONTENT

[0003] Based on the above description, the utility model provides a kind of grabbing device to solve the problem of clamping difficulty, easy to fall off, artificial handling is time-consuming and laborious, and the efficiency is low in the related art.

[0004] The utility model solves the technical scheme as follows: a kind of grabbing device, it includes: rack, is equipped with first drive mechanism and second drive mechanism;First gripper, by first pivot rotatably mounted on the rack, the upper end of the first gripper is connected to the first drive mechanism;Second gripper, by second pivot rotatably mounted on the rack, the upper end of the second gripper is connected to the second drive mechanism;The first gripper and the second gripper are all C-shaped, and the opening direction is opposite.

[0005] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0006] Further, a plurality of first grippers are arranged in parallel and at intervals on the first pivot, and a plurality of second grippers are arranged in parallel and at intervals on the second pivot.

[0007] Further, the output end of the first drive mechanism is connected to the first pivot, and the output end of the second drive mechanism is connected to the second pivot.

[0008] Further, the output end of the first drive mechanism is hingedly connected to a first connecting block, and the other end of the first connecting block is fixed to the first pivot;The output end of the second drive mechanism is hingedly connected to a second connecting block, and the other end of the second connecting block is fixed to the second pivot.

[0009] Further, a bottom plate is arranged at the bottom of the rack, a strip-shaped hole is arranged on the bottom plate, and the lower ends of the first gripper and the second gripper pass through the strip-shaped hole.

[0010] Further, a plurality of connecting rods are arranged in parallel and at intervals on the bottom plate, bearings are arranged on the connecting rods, and the first pivot and the second pivot are arranged in the bearings.

[0011] Further, the first clamping jaw and the second clamping jaw are arranged between two adjacent connecting rods.

[0012] Further, the rack is provided with a mounting seat, and the first driving mechanism and the second driving mechanism are rotatably mounted on the mounting seat through a pin shaft.

[0013] Further, the first driving mechanism is arranged to be inclined from the top of the rack towards the first clamping jaw, and the second driving mechanism is arranged to be inclined from the top of the rack towards the second clamping jaw.

[0014] Further, the first driving mechanism and the second driving mechanism are both air cylinders.

[0015] Compared with the prior art, the technical scheme has the following beneficial technical effects:

[0016] By oppositely arranging two C-shaped clamping jaws and driving the two clamping jaws to rotate by two driving mechanisms, the two clamping jaws are used in cooperation to have not only horizontal clamping force but also upward clamping force, so that irregular-shaped or soft powder materials can be clamped, time and labor are saved, and efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 a front view of the grabbing device provided by the embodiment of the present application;

[0018] Figure 2 a perspective view of the grabbing device provided by the embodiment of the present application;

[0019] Figure 3 a perspective view of the grabbing device provided by the embodiment of the present application from another direction.

[0020] In the drawings, the components represented by the numbers are listed as follows:

[0021] 1, rack; 2, first driving mechanism; 3, second driving mechanism; 4, first clamping jaw; 5, first rotating shaft; 6, second clamping jaw; 7, second rotating shaft; 8, first connecting block; 9, second connecting block; 10, bearing; 11, bottom plate; 12, connecting rod; 13, mounting seat. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the related drawings. The drawings show embodiments of the present application. However, the present application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0023] The utility model embodiment provides a kind of grabbing device, can solve the problem of difficult to clamp in relevant art, easy to fall off, artificial handling is time-consuming and labor-saving, the problem of low efficiency.

[0024] Referring to Figure 1 、 Figure 2 and Figure 3 As shown, a kind of grabbing device provided by the utility model embodiment, it can include: rack 1, is equipped with first driving mechanism 2 and second driving mechanism 3;First jaw 4, by first pivot 5 rotatably mounted on the rack 1, the upper end of the first jaw 4 is connected to the first driving mechanism 2;Second jaw 6, by second pivot 7 rotatably mounted on the rack 1, the upper end of the second jaw 6 is connected to the second driving mechanism 3;The first jaw 4 and the second jaw 6 are all C-shaped, and the opening direction is opposite. In the embodiment, by the relative setting of two C-shaped jaws, two driving mechanisms are used to drive two jaws to rotate, and the cooperation of two jaws not only has horizontal direction clamping force, but also has upward clamping force, so that irregularly shaped or soft powder material wrapped in bag can be clamped, time and labor are saved, and efficiency is improved.

[0025] Referring to Figure 1 In some embodiments, a plurality of first jaws 4 are provided on the first pivot 5 in parallel and at intervals, and a plurality of second jaws 6 are provided on the second pivot 7 in parallel and at intervals. In the embodiment, by providing a plurality of first jaws 4 and second jaws 6, they can be driven to rotate simultaneously, and it is more labor-saving to clamp the material. The multiple jaws work together to further increase stability and prevent the material from falling off.

[0026] Referring to Figure 1 In some embodiments, the output end of the first driving mechanism 2 is connected to the first pivot 5, and the output end of the second driving mechanism 3 is connected to the second pivot 7. In the embodiment, by directly connecting the output end of the driving mechanism to the pivot, the driving mechanism is used to drive the pivot to rotate, which can drive multiple jaws to rotate simultaneously. The jaws work together to improve clamping efficiency, are easy to use, reduce the number of driving mechanisms, and reduce costs.

[0027] Referring to Figure 1 In some embodiments, the output end of the first driving mechanism 2 is hinged to a first connecting block 8, and the other end of the first connecting block 8 is fixed to the first pivot 5. The output end of the second driving mechanism 3 is hinged to a second connecting block 9, and the other end of the second connecting block 9 is fixed to the second pivot 7. In the embodiment, by providing a connecting block, one end of the connecting block is hinged to the output end of the driving mechanism, and the other end is fixedly connected to the pivot. The connecting block facilitates the transmission of driving force of the driving mechanism, reserves a certain movement space for the driving mechanism, and avoids damage caused by excessive rigidity.

[0028] Referring to Figure 2 As shown in the drawings, in some embodiments, the bottom of the rack 1 is provided with a bottom plate 11, a plurality of strip-shaped holes are arranged on the bottom plate 11, and the lower ends of the first clamping jaw 4 and the second clamping jaw 6 pass through the strip-shaped holes. In this embodiment, the clamping jaw passes through the strip-shaped hole on the bottom plate 11 when in use, and can be retracted into the bottom plate 11 when not in use, thereby facilitating transportation and avoiding damage.

[0029] In some embodiments, a sensor is arranged at the bottom of the rack 1, which can sense the distance of the material bag, so as to clamp the material when it reaches below the rack 1.

[0030] Referring to Figure 2 As shown in the drawings, in some embodiments, a plurality of connecting rods 12 are arranged in parallel and at intervals on the bottom plate 11, bearings 10 are installed on the connecting rods 12, and the first rotating shaft 5 and the second rotating shaft 7 are installed in the bearings 10. In this embodiment, the rotating shaft is installed in the bearing 10, so that the rotating shaft can rotate in the bearing 10, thereby driving the clamping jaw to rotate, and the rotating shaft works more stably and avoids shaking of the clamping jaw.

[0031] Referring to Figure 2 As shown in the drawings, in some embodiments, the first clamping jaw 4 and the second clamping jaw 6 are arranged between two adjacent connecting rods 12. In this embodiment, the clamping jaw is arranged between the connecting rods 12, which facilitates uniform distribution and installation of the clamping jaw on the rotating shaft. A plurality of clamping jaws have independent rotating spaces and do not interfere with each other, and each clamping jaw is uniformly stressed.

[0032] Referring to Figure 3 As shown in the drawings, in some embodiments, the rack 1 is provided with a mounting seat 13, and the first driving mechanism 2 and the second driving mechanism 3 are rotatably installed on the mounting seat 13 through a pin shaft. In this embodiment, the driving mechanism is rotatably installed on the rack 1, so that the driving mechanism can have a small rotating space, which facilitates connection of the driving mechanism and the clamping jaw and avoids damage caused by excessive rigidity.

[0033] Referring to Figure 1 As shown in the drawings, in some embodiments, the first driving mechanism 2 is arranged obliquely from the top of the rack 1 to the direction close to the first clamping jaw 4, and the second driving mechanism 3 is arranged obliquely from the top of the rack 1 to the direction close to the second clamping jaw 6. In this embodiment, the driving mechanism is arranged obliquely, so that the driving mechanism only needs to be stretched and contracted to respectively apply action forces in opposite directions to the two rotating shafts to drive them to rotate, which is simple in structure and convenient to use.

[0034] Referring to Figure 1 As shown in the drawings, in some embodiments, the first driving mechanism 2 and the second driving mechanism 3 both adopt air cylinders, which are low in cost and convenient to install.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application.

[0036] It is to be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device described herein is oriented in an orientation that is opposite to the orientation shown in a particular figure, a spatially relative term that can have been used to describe a particular feature in connection with the particular figure will be docketed under the same term but will describe that feature in the manner that is opposite to the manner in which it was described in connection with the particular figure. The device can be otherwise oriented (for example, rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly.

[0037] It is to be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the figures. For example, if a device described herein is oriented in an orientation that is opposite to the orientation shown in a particular figure, a spatially relative term that can have been used to describe a particular feature in connection with the particular figure will be docketed under the same term but will describe that feature in the manner that is opposite to the manner in which it was described in connection with the particular figure. The device can be otherwise oriented (for example, rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly.

[0038] As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. It is to be understood that the terms "comprising", "comprises" and "comprised of" or "comprising" or "comprise" or "comprises" or "having" or "including" or "include" or "includes" or "containing" or "contain" shall be construed as containing the stated features, integers, steps, components or sections or combinations thereof, but does not preclude the presence or addition of one or more other features, integers, steps, components, sections or combinations thereof.

[0039] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A gripping device, characterized in that It includes: The rack (1) is provided with a first driving mechanism (2) and a second driving mechanism (3); The first clamping jaw (4) is rotatably installed on the rack (1) through a first rotating shaft (5), and the upper end of the first clamping jaw (4) is connected to the first driving mechanism (2); The second clamping jaw (6) is rotatably installed on the rack (1) through a second rotating shaft (7), and the upper end of the second clamping jaw (6) is connected to the second driving mechanism (3); The first clamping jaw (4) and the second clamping jaw (6) are both C-shaped, and the opening directions are opposite.

2. The grabbing device according to claim 1, wherein: A plurality of first clamping jaws (4) are arranged in parallel on the first rotating shaft (5), and a plurality of second clamping jaws (6) are arranged in parallel on the second rotating shaft (7).

3. The grabbing device according to claim 2, wherein: The output end of the first driving mechanism (2) is connected to the first rotating shaft (5), and the output end of the second driving mechanism (3) is connected to the second rotating shaft (7).

4. The grabbing device according to claim 3, wherein: The output end of the first driving mechanism (2) is hingedly connected to a first connecting block (8), and the other end of the first connecting block (8) is fixed to the first rotating shaft (5); The output end of the second driving mechanism (3) is hingedly connected to a second connecting block (9), and the other end of the second connecting block (9) is fixed to the second rotating shaft (7).

5. The grabbing device according to claim 1, wherein: The bottom of the rack (1) is provided with a bottom plate (11), the bottom plate (11) is provided with a strip-shaped hole, and the lower end of the first clamping jaw (4) and the second clamping jaw (6) passes through the strip-shaped hole.

6. The grabbing device according to claim 5, wherein: A plurality of connecting rods (12) are arranged in parallel on the bottom plate (11), bearings (10) are installed on the connecting rods (12), and the first rotating shaft (5) and the second rotating shaft (7) are installed in the bearings (10).

7. The grabbing device according to claim 6, wherein: The first clamping jaw (4) and the second clamping jaw (6) are arranged between two adjacent connecting rods (12).

8. The grabbing device according to claim 1, wherein: The rack (1) is provided with a mounting seat (13), and the first driving mechanism (2) and the second driving mechanism (3) are rotatably installed on the mounting seat (13) through a pin shaft.

9. The grabbing device according to claim 1, wherein: The first driving mechanism (2) is inclinedly arranged from the top of the rack (1) to the direction close to the first clamping jaw (4), and the second driving mechanism (3) is inclinedly arranged from the top of the rack (1) to the direction close to the second clamping jaw (6).

10. The grabbing device according to claim 1, wherein: The first driving mechanism (2) and the second driving mechanism (3) are both air cylinders.

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