Clamp for clamping bagged granules
By designing the eight-character open pins and the fixtures of the floating connecting frame, the problem of unstable clamping of bagged pellets during handling is solved, and stable clamping and safe movement are achieved.
Patent Information
- Application Number
- CN202422537551.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-21
AI Technical Summary
When existing fixtures clamp the bagged pellets, they are prone to unstable clamping due to particle flow, resulting in dropping of the pellets during handling.
A clamp is designed, including the pins on the two rotating shafts being opened in eight characters, and the packaging bag is fixed by driving the pins through the driving component, combining the floating connecting frame and the pressing separation mechanism to ensure clamping stability and safety.
The stability of holding bagged pellets under the robot drive is achieved, preventing pellets from falling, and protecting the robot from damage, reducing the wrapping of packaging bags that affect the cutting.
Smart Images
Figure CN223188440U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of clamps, and more particularly, to a clamp for clamping bagged granular materials. Background Art
[0002] Bagged granules are packaged in bags for easy transport and quantitative use. They typically need to be transported to a designated location and separated from the bag. Lifting and handling these bags typically involves the use of a robot in conjunction with a clamp. The clamp secures the bagged granules, which is then driven by the robot to move the clamp. In related art, the clamp typically includes a driver and at least two clamping blocks. The driver drives the clamping blocks to close together and press against the bagged granules, securing the bagged granules.
[0003] The above-mentioned related technologies have the following disadvantages: the particles packaged in the packaging bag have gaps between the particles, which are easy to flow. After the bagged particles are clamped and fixed by the clamp, the particles are easily moved in the packaging bag due to shaking, which can easily cause the clamping block to lack a fulcrum, resulting in unstable clamping and causing the bagged particles to fall during transportation. Utility Model Content
[0004] In order to solve the problem in the related art that the existing clamp for clamping and fixing bagged granular materials is prone to unstable clamping and causing the bagged granular materials to fall when the robot drives the clamp to move the packed granular materials, the present application provides a clamp for clamping bagged granular materials.
[0005] A clamp for clamping bagged granular material, comprising a mounting frame, on which two parallel and symmetrical rotating shafts are rotatably provided, each of which is fixed with a plurality of pins evenly arranged along its length, and the plurality of pins are located on the same horizontal plane and are arranged vertically and perpendicular to the rotating shafts. A drive assembly is also provided on the mounting frame, and both of the rotating shafts are connected to the drive assembly, and the drive assembly is used to drive the two rotating shafts to rotate so that the pins on the two rotating shafts are spread out in an "eight" shape.
[0006] Preferably, the driving assembly includes two first cylinders and two articulated swing arms, the two first cylinders are located between the two rotating shafts and both are above the rotating shafts, the telescopic axis of one first cylinder is toward one rotating shaft, and the telescopic axis of the other first cylinder is toward the other rotating shaft, one end of one articulated swing arm is hinged to the telescopic axis of one first cylinder and the other end of the articulated swing arm is fixedly connected to the rotating shaft opposite to the telescopic axis of the first cylinder, one end of the other articulated swing arm is hinged to the telescopic axis of another first cylinder and the other end of the articulated swing arm is fixedly connected to the rotating shaft opposite to the telescopic axis of the first cylinder.
[0007] Preferably, it also includes a floating connecting frame, which includes a connecting plate, a spring, a floating lifting guide rod, and a linear bearing sleeve. The connecting plate is fixedly connected to one end of the floating lifting guide rod, the spring is inserted into the floating lifting guide rod and one end is fixedly connected to the connecting plate, the linear bearing sleeve is movably inserted into the floating lifting guide rod and the linear bearing sleeve is fixedly connected to one end of the spring away from the connecting plate, the mounting frame is fixedly connected to the linear bearing sleeve, and the floating lifting guide rod is vertically arranged and perpendicular to the rotating shaft.
[0008] Preferably, it also includes a pressing and separating mechanism, which includes a second cylinder, a connecting block, and a pressing plate. The second cylinder is fixedly connected to the mounting frame and is located between the two rotating shafts. The telescopic axis of the second cylinder is perpendicular to the rotating shaft and is fixedly connected to the connecting block. The pressing plate is fixedly connected to the connecting block and is located below the rotating shaft.
[0009] This application includes at least one of the following beneficial technical effects:
[0010] 1. Insert the vertically arranged pin into the bagged granular material vertically to puncture the packaging bag of the bagged granular material, and then drive the two shafts to rotate through the driving component to make the pins open in an "eight" shape, so that the pins hook the packaging bag to fix the packaging bag, thereby fixing the entire bagged granular material. Fixing the packaging bag with the pin makes the fixture fix the bagged granular material without being affected by the flow of particles, which is more stable. The robot connects the fixture to drive the fixture to move, thereby driving the bagged granular material to move, so that the bagged granular material is not easy to fall off.
[0011] 2. Set up a floating connecting frame, which is connected and fixed to the robot through the connecting plate of the floating connecting frame, and floats through the expansion and contraction of the spring, so that when the pin is inserted into the bagged granular material and the mounting frame presses against the bagged granular material and receives the reaction force of the bagged granular material, the force is buffered by the spring and is not likely to cause damage to the robot. The floating lifting guide rod is used to limit the spring deflection to guide the mounting frame to make the mounting frame stable.
[0012] 3. A pressing and separating mechanism is provided. The pressing piece is driven downward by the second cylinder. The pressing piece presses the bagged granular material to push the bagged granular material out of the insertion pin to separate the bagged granular material from the insertion pin. This is beneficial to reduce the situation where the packaging bag is still entangled on the insertion pin when the insertion pin returns to the vertical position and the bagged granular material is separated by gravity, resulting in the bagged granular material being unable to be discharged. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic structural diagram of a clamp for clamping bagged granular materials in this embodiment, in which the pins are spread out in an "eight" shape.
[0014] Figure 2 This is a schematic structural diagram of a clamp for clamping bagged granular materials in this embodiment, in which the pins are vertically oriented.
[0015] Figure markings: 1. Mounting frame; 11. Mounting plate; 12. Side plate; 13. Bearing seat; 14. Cylinder fixing seat; 15. Guide sleeve; 2. Floating connecting frame; 21. Connecting plate; 211. Avoidance hole; 22. Spring; 23. Floating lifting guide rod; 24. Linear bearing sleeve; 3. Pressing and separating mechanism; 31. Second cylinder; 32. Connecting block; 33. Pressing plate; 331. Slot; 34. Guide shaft; 4. Rotating shaft; 5. Pin; 6. Drive assembly; 61. First cylinder; 62. Articulated swing arm. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.
[0017] Reference Figure 1 and Figure 2A clamp for clamping bagged granular materials, including a mounting frame 1, a floating connecting frame 2 and a pressing and separating mechanism 3. The mounting frame 1 includes a mounting plate 11 and side plates 12 arranged at both ends of the mounting plate 11. Two bearing seats 13 are provided on the side of the two side plates 12 away from the mounting plate 11. The two bearing seats 13 are arranged at intervals along the width direction of the side plates 12. The two bearing seats 13 on one side plate 12 are respectively aligned with the bearing seats on the other side plate 12. Each set of aligned bearing seats 13 is rotatably connected with a rotating shaft 4. The two rotating shafts 4 are parallel and symmetrically arranged. Each rotating shaft 4 is fixed with a uniform length along its length. There are multiple pins 5 arranged, and the pins 5 supported by each rotating shaft 4 are all on the same horizontal plane and are arranged vertically and perpendicular to the rotating shaft 4. A driving assembly 6 is fixed on the mounting plate 11. The driving assembly 6 includes two first cylinders 61 and two articulated swing arms 62. Two cylinder fixing seats 14 are provided on the mounting plate 11 and the two cylinder fixing seats 14 are arranged at intervals along the length direction of the mounting plate 11. One first cylinder 61 is fixed on one cylinder fixing seat 14, and the other first cylinder 61 is fixed on the other cylinder fixing seat 14. The two first cylinders 61 are both above the rotating shaft 4 and between the two rotating shafts 4, and one The telescopic axis of the first cylinder 61 is toward one rotating shaft 4, and the telescopic axis of the other first cylinder 61 is toward the other rotating shaft 4. One end of an articulated swing arm 62 is hinged to the telescopic axis of one first cylinder 61, and the other end of the articulated swing arm 62 is fixedly connected to the rotating shaft 4 opposite to the telescopic axis of the first cylinder 61. One end of another articulated swing arm 62 is articulated to the telescopic axis of another first cylinder 61, and the other end of the articulated swing arm 62 is fixedly connected to the rotating shaft 4 opposite to the telescopic axis of the first cylinder 61. The telescopic axes of the two first cylinders 61 are retracted synchronously, so that the two articulated swing arms 62 swing in opposite directions, driving the two rotating shafts. When the shafts 4 rotate synchronously in opposite directions, the pins 5 on the two rotating shafts 4 are opened in an "eight" shape, and the telescopic shafts of the two first cylinders 61 are extended synchronously, so that the two hinged swing arms 62 are swung back to their original positions, driving the two rotating shafts 4 to rotate synchronously. When the two rotating shafts 4 return to their original positions, the pins 5 on the two rotating shafts 4 return to a vertical position, and the vertical pins 5 are used to vertically insert into the bagged granular material to puncture the packaging bag, and the pins 5 on the two rotating shafts 4 are opened in an "eight" shape to hook the packaging bag and fix the packaging bag, thereby fixing the entire bagged granular material. Fixing the packaging bag with the pins 5 ensures that the clamp's fixation of the bagged granular material is not affected by the flow of the particles and is more stable.
[0018] Reference Figure 1The floating connecting frame 2 includes a connecting plate 21, a spring 22, a floating lifting guide rod 23, and a linear bearing sleeve 24. There are four floating lifting guide rods 23, one end of each of which is fixedly connected to the connecting plate 21 and distributed at the four corners of the connecting plate 21. There are four springs 22, and four springs 22 correspond to four floating lifting guide rods 23. Each floating lifting guide rod 23 is correspondingly sleeved with a spring 22, and one end of each of the four springs 22 is fixedly connected to the connecting plate 21. There are four linear bearing sleeves 24, and four linear bearing sleeves 24 correspond to four floating lifting guide rods 23. Each floating lifting guide rod 23 is movably sleeved with a linear bearing sleeve 24. The spring 22 on the floating lifting guide rod 23 has one end away from the connecting plate 21 and is fixedly connected to the linear bearing sleeve 24 on the floating lifting guide rod 23. The four linear bearing sleeves 24 are all fixedly connected to the mounting plate 11, and the mounting plate 11 and the connecting plate 21 are arranged in parallel. They are connected to the robot through the connecting plate 21, so that the robot drives the clamp to move as a whole. When the robot drives the clamp, the pin 5 is vertically inserted into the bagged granular material, and the mounting frame 1 as a whole is subjected to the reverse force of the bagged granular material. This force is buffered by the spring 22 and is not easy to damage the robot, which plays a role in protecting the robot. The floating lifting guide rod 23 is used to limit the deflection of the spring 22 to guide the mounting frame 1 to make the mounting frame 1 stable.
[0019] Reference Figure 1The pressing and separating mechanism 3 includes a second cylinder 31, a connecting block 32, a pressing plate 33 and two guide shafts 34. The two guide shafts 34 are fixed at both ends of the connecting block 32. The second cylinder 31 is fixed to the top surface of the mounting plate 11 and is parallel to the floating lifting guide rod 23 and is located between the four floating lifting guide rods 23. The telescopic axis of the second cylinder 31 passes through the mounting plate 11 and faces the direction of the rotating shaft 4. The position of the second cylinder 31 on the connecting plate 21 is provided with a avoiding hole 211 for the second cylinder 31 to pass through to avoid the second cylinder 31 colliding with the connecting plate 21 and causing damage to the second cylinder 31; the telescopic axis of the second cylinder 31 is connected and fixed to the middle of the connecting block 32. The mounting plate 11 is provided with two openings and a guide sleeve 15 is fixed in each of the two openings. The two guide shafts 34 are movably inserted into the inner holes of the two guide sleeves 15, and the second cylinder 31 drives the connecting block 32 to lift the guide shaft 34 in the guide sleeve 15 to reduce the movement of the second cylinder The second cylinder 31 is not easily deflected by force, and the pressure plate 33 is stable and does not interfere with the pins 5 when the second cylinder 31 drives the connecting block 32 to move downward.
[0020] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A clamp for holding bagged granular materials, characterized by: It includes a mounting frame, on which two parallel and symmetrical rotating shafts are rotatably arranged, each of which is fixed with a plurality of pins evenly arranged along its length, and the plurality of pins are on the same horizontal plane and are arranged vertically and perpendicular to the rotating shafts. A driving assembly is also provided on the mounting frame, and the two rotating shafts are connected to the driving assembly, and the driving assembly is used to drive the two rotating shafts to rotate so that the pins on the two rotating shafts are spread out in an "eight" shape.
2. A clamp for clamping bagged granular materials according to claim 1, characterized in that: The driving assembly includes two first cylinders and two articulated swing arms, the two first cylinders are located between the two rotating shafts and both are above the rotating shafts, the telescopic axis of one first cylinder is toward one rotating shaft, and the telescopic axis of the other first cylinder is toward the other rotating shaft, one end of one articulated swing arm is hinged to the telescopic axis of one first cylinder, and the other end of the articulated swing arm is fixedly connected to the rotating shaft opposite to the telescopic axis of the first cylinder, one end of the other articulated swing arm is hinged to the telescopic axis of another first cylinder, and the other end of the articulated swing arm is fixedly connected to the rotating shaft opposite to the telescopic axis of the first cylinder.
3. The clamp for clamping bagged granular materials according to claim 1, characterized in that: It also includes a floating connecting frame, which includes a connecting plate, a spring, a floating lifting guide rod, and a linear bearing sleeve. The connecting plate is fixedly connected to one end of the floating lifting guide rod, the spring is sleeved on the floating lifting guide rod and one end is fixedly connected to the connecting plate, the linear bearing sleeve is movably sleeved on the floating lifting guide rod and the linear bearing sleeve is fixedly connected to one end of the spring away from the connecting plate, the mounting frame is fixedly connected to the linear bearing sleeve, and the floating lifting guide rod is vertically arranged and perpendicular to the rotating shaft.
4. The clamp for clamping bagged granular materials according to claim 1, characterized in that: It also includes a pressing and separating mechanism, which includes a second cylinder, a connecting block, and a pressing plate. The second cylinder is fixedly connected to the mounting frame and is located between the two rotating shafts. The telescopic axis of the second cylinder is perpendicular to the rotating shaft and is fixedly connected to the connecting block. The pressing plate is fixedly connected to the connecting block and is located below the rotating shaft.