Four-side clamping mechanism

Abstract

The utility model discloses a four-side clamping mechanism which comprises two sets of clamping grabbing blocks, the number of each set of clamping grabbing blocks is four, the clamping grabbing blocks are symmetrically arranged, and in each set of clamping grabbing blocks, the installation positions of the two clamping grabbing blocks which are symmetrical in the left-right direction are lower than the installation positions of the two clamping grabbing blocks which are symmetrical in the front-back direction. The clamping grabbing block is connected with the clamping block connecting piece through the first rotating shaft, the clamping block connecting piece is connected with the air cylinder connecting piece through the second rotating shaft, and the air cylinder connecting piece is connected with the air cylinder. The conveying device is simple in structure, easy to operate and capable of effectively improving the conveying efficiency, reducing the production cost and creating good economic benefits.

Description

Technical Field

[0001] The utility model belongs to the technical field of logistics and transportation, and specifically relates to a four-sided clamping mechanism. Background Art

[0002] In the transportation and logistics industry, objects often need to be transported from one location to another. The traditional method of transportation is conveyor belt transportation, but the disadvantage of conveyor belts is that they cannot make materials reach the required precise location. In order to solve this problem, relevant technicians have developed some robotic clamping mechanisms, but these clamping mechanisms are relatively bulky and inefficient when used, resulting in high costs. Utility Model Content

[0003] In order to overcome the shortcomings of the above technical problems, the inventor of the utility model has developed a four-sided clamping mechanism through long-term exploration and attempts, multiple experiments and efforts, continuous reform and innovation.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a four-sided clamping mechanism, including two groups of clamping grab blocks, each group of the clamping grab blocks has four clamping grab blocks, which are symmetrically arranged, and in each group of the clamping grab blocks, the installation positions of the two left-right symmetrical clamping grab blocks are lower than the two front-back symmetrical clamping grab blocks; the clamping grab blocks are connected to the clamping block connecting piece through a first rotating axis, the clamping block connecting piece is connected to the cylinder connecting piece through a second rotating axis, and the cylinder connecting piece is connected to the cylinder together.

[0005] Furthermore, the opening and closing angle of the clamping gripping block during the process of gripping an object is α, 30°≤α≤60°.

[0006] Furthermore, oil-free bushings are provided on both sides of the first rotating shaft and the second rotating shaft.

[0007] Furthermore, the clamping gripping block has a "匚"-shaped appearance.

[0008] Furthermore, the cylinder is installed in a frame, the frame is welded from U-shaped steel, and an inflation interface for inflation is provided on the top of the frame. The inflation interface is connected to a compressed air tank, and the air source pressure of the compressed air tank is not less than 0.4Mpa.

[0009] Furthermore, when the air source is connected, the cylinder extends downward under the action of air pressure, thereby transmitting power to the cylinder connector and the clamping block connector in sequence, and finally driving the clamping grab block to complete the opening and closing action.

[0010] Compared with the prior art, the utility model has the following beneficial effects: By setting devices such as a cylinder, a clamping grab block, a cylinder connecting piece, a clamping block connecting piece, a first rotating shaft, and a second rotating shaft, under the premise of the power provided by the compressed air tank, the cylinder is driven to extend downward, thereby sequentially transmitting the power to the cylinder connecting piece and the clamping block connecting piece, and finally driving the clamping grab block to complete the opening and closing action, achieving the purpose of grasping objects. The structure of the utility model is simple and easy to operate, which can effectively improve the transportation efficiency, reduce the production cost, and create good economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a schematic structural diagram of the utility model.

[0012] Figure 2 is a side view of the utility model.

[0013] Reference numerals: 1, cylinder; 2, clamping grab block; 3, cylinder connecting piece; 4, clamping block connecting piece; 5, oil-free bushing; 6, first rotating shaft; 7, inflation interface; 8, frame; 9, second rotating shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0014] The embodiments of the present patent will be described in detail below. In the description of the present patent, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present patent.

[0015] In the description of the present patent, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected", "set" should be understood in a broad sense. For example, it can be fixedly connected and set, or detachably connected and set, or integrally connected and set. For those of ordinary skill in the art, the specific meanings of the above terms in the present patent can be understood according to specific circumstances.

[0016] As Figure 1 shown in FIG. - 2, a four-sided clamping mechanism includes two groups of clamping grab blocks 2, and the number of each group of clamping grab blocks 2 is 4, which are symmetrically arranged. In each group of clamping grab blocks 2, referring to Figure 1 shown in the figure, the installation positions of the two symmetrically arranged clamping grab blocks 2 on the left and right are lower than those of the two symmetrically arranged clamping grab blocks 2 in the front and rear; the clamping grab blocks 2 are connected to the clamping block connecting piece 4 through the first rotating shaft 6, the clamping block connecting piece 4 is connected to the cylinder connecting piece 3 through the second rotating shaft 9, and the cylinder connecting piece 3 is connected to the cylinder 1 together.

[0017] In this embodiment, the opening and closing angle of the clamping gripper block 2 during the process of gripping an object is α, and 30° ≤ α ≤ 60°.

[0018] In this embodiment, the outer shape of the clamping gripper block 2 is in a "C" shape.

[0019] In this embodiment, oil-free bushings are provided on both sides of the first rotating shaft and the second rotating shaft.

[0020] In this embodiment, the cylinder 1 is installed in the frame 8. The frame 8 is welded by U-shaped steel. An inflation interface 7 for inflating is provided at the top of the frame 8. The inflation interface 7 is connected to a compressed air tank, and the air source pressure of the compressed air tank is not less than 0.4 Mpa. Due to the limited space of the attached drawings, the compressed air tank is not marked in the attached drawings, but this does not affect the understanding of this application document by those skilled in the art.

[0021] In this embodiment, when the air source is connected, the cylinder 1 extends downward under the action of air pressure, thereby transmitting the power to the cylinder connecting piece 3 and the clamping block connecting piece 4 in sequence, and finally driving the clamping gripper block 2 to complete the opening and closing action.

[0022] When the present utility model is in specific use, first connect the air source. Under the action of air pressure, the cylinder 1 extends downward, thereby transmitting the power to the cylinder connecting piece 3 and the clamping block connecting piece 4 in sequence, and finally driving the clamping gripper block 2 to complete the clamping action; when the clamping mechanism transports the object to the designated position, raise the output pressure of the compressed air tank to 0.6 Mpa. At this time, the object falls from the clamping mechanism; then cut off the air source. At this time, the air pressure disappears, the cylinder 1 retracts upward, the acting forces of the cylinder connecting piece 3 and the clamping block connecting piece 4 disappear, and the clamping gripper block returns to the initial position.

[0023] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed.

Claims

1. A four-sided clamping mechanism, characterized in that: It comprises two groups of clamping grab blocks, each group has four clamping grab blocks, which are symmetrically arranged. In each group of clamping grab blocks, the installation positions of the two left-right symmetrical clamping grab blocks are lower than the two front-back symmetrical clamping grab blocks; the clamping grab blocks are connected to the clamping block connecting piece through a first rotating axis, the clamping block connecting piece is connected to the cylinder connecting piece through a second rotating axis, and the cylinder connecting piece is connected to the cylinder.

2. The four-sided clamping mechanism according to claim 1, characterized in that: The opening and closing angle of the clamping grab block during the process of grabbing an object is α, 30°≤α≤60°.

3. A four-sided clamping mechanism according to claim 1, characterized in that: Oil-free bushings are disposed on both sides of the first rotating shaft and the second rotating shaft.

4. The four-sided clamping mechanism according to claim 1, characterized in that: The clamping and grabbing block has a "匚" shape.

5. The four-sided clamping mechanism according to claim 1, wherein: The cylinder is installed in a frame, and the frame is welded from U-shaped steel. An inflation interface for inflation is provided on the top of the frame, and the inflation interface is connected to a compressed air tank, and the air source pressure of the compressed air tank is not less than 0.4Mpa.

6. The four-sided clamping mechanism according to claim 1, characterized in that: When the air source is connected, the cylinder extends downward under the action of air pressure, thereby transmitting power to the cylinder connecting piece and the clamping block connecting piece in sequence, and finally driving the clamping grab block to complete the opening and closing action.

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