Grease raw material barrel carrying mechanical arm

Abstract

The utility model discloses a grease raw material barrel carrying mechanical arm which comprises a mechanical arm body, a frame, a fixed clamping block, a movable clamping block, a side face clamping block, an electric push rod, a first guide rod, a connecting plate, a second guide rod, a supporting base, a telescopic guide rod, a tension spring, a threaded sleeve and a cam, and the frame is divided into a clamping area and a transmission area through a partition plate. According to the carrying mechanical arm, a linkage type structure is adopted, the three clamping blocks can be controlled to move towards the grease raw material barrel through the single electric push rod, the grease raw material barrel is clamped and fixed, and compared with a traditional mode that the two sides of the grease raw material barrel are subjected to clamping force for carrying, the carrying efficiency is improved. According to the carrying mechanical arm, the clamping force of the single clamping block on the grease raw material barrel can be reduced, the problem that the single position of the grease raw material barrel is extruded and deformed due to the too large clamping force is solved, meanwhile, the four clamping blocks can provide a more stable clamping effect, and the problem that the grease raw material barrel falls off in the carrying process is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical arms, in particular to a mechanical arm for transporting oil and fat raw material barrels. Background Art

[0002] In industrial production, the transportation of oil and fat raw material barrels generally relies on manual lifting or simple transport carts. Using a robotic arm to transport the oil and fat raw material barrels to a cart, or transporting the oil and fat raw materials from the cart for stacking, has the advantage of high transportation efficiency. The claw clamp of the existing oil and fat raw material barrel transportation robotic arm adopts a clamp-type opening and closing structure, that is, only the clamping force is applied to the two sides of the oil and fat raw material barrel. Therefore, the pressure on both sides of the oil and fat raw material barrel is relatively large. When transporting oil and fat raw material barrels with larger mass, there is a problem that the oil and fat raw material barrel is damaged and deformed when the clamping force is too large, or there is a problem that the oil and fat raw material barrel falls when the clamping force is too small, which poses certain safety hazards. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a mechanical arm which applies clamping force on four sides of a barrel of grease raw materials to perform a carrying operation.

[0004] In order to solve the above technical problems, the present invention is implemented through the following technical solutions: a kind of oil raw material barrel handling robot arm, including a robot arm body, a frame, a fixed clamping block, a movable clamping block, a side clamping block, an electric push rod, a first guide rod, a connecting plate, a second guide rod, a support seat, a telescopic guide rod, a tension spring, a screw sleeve and a cam. The inner end of the frame is fixedly mounted on the end actuator arm of the robot arm body, and the frame is divided into a clamping area and a transmission area by a partition. The fixed clamping block is fixedly mounted on the inner wall of the left end of the clamping area, and the electric push rod is fixedly mounted on the right end of the frame. The actuator rod of the electric push rod is located in the transmission area and slides through the partition. The first guide rod and the second guide rod are both slidably mounted on the partition and the right side plate of the frame. The first guide rod The left end and the actuator rod of the electric push rod are fixedly connected to the movable clamping block, the connecting plate is fixedly sleeved and installed on the first guide rod, the second guide rod is also fixedly connected to the connecting plate, the left end of the second guide rod is set to an external thread structure matching the screw sleeve, the two support seats are fixedly installed on the upper and lower inner walls of the clamping area, the side clamping block is slidably installed in the support seat, the four telescopic guide rods are distributed in a rectangular shape and the two ends are respectively fixedly connected to the inner wall of the clamping area and the inner end of the side clamping block, the tension spring is sleeved and installed on the telescopic guide rod, the two ends of the tension spring are respectively fixedly connected to the inner wall of the clamping area and the inner end of the side clamping block, the two ends of the screw sleeve are rotatably installed in the support seat through a ball bearing, the second guide rod is threadedly connected to the screw sleeve, and the cam is fixedly sleeved and installed on the screw sleeve.

[0005] Preferably, the clamping surfaces of the fixed clamping block, movable clamping block and side clamping block are all arranged as arc surface structures matching the outer surface of the oil raw material barrel, and mesh anti-slip patterns are arranged on the clamping surfaces of the fixed clamping block, movable clamping block and side clamping block.

[0006] Preferably, two cams are symmetrically arranged at both ends of the screw sleeve.

[0007] Preferably, a first guide sleeve is fixedly mounted on the right side surface of the frame, a second guide sleeve is fixedly mounted on the left inner wall of the transmission area, and the first guide rod and the second guide rod are both slidably mounted in the first guide sleeve and the second guide sleeve.

[0008] Compared with the prior art, the advantages of the utility model are: the handling robot arm adopts a linkage structure, and a single electric push rod can control the three clamping blocks to move toward the oil and fat raw material barrel, so as to clamp and fix the oil and fat raw material barrel. Compared with the traditional method of carrying the oil and fat raw material barrel on both sides with clamping force, the handling robot arm can reduce the clamping force of a single clamping block on the oil and fat raw material barrel, thereby avoiding the problem of squeezing and deformation of a single position of the oil and fat raw material barrel due to excessive clamping force. At the same time, the four clamping blocks can provide a more stable clamping effect, thereby avoiding the problem of the oil and fat raw material barrel falling during the handling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The utility model is further described below in conjunction with the accompanying drawings.

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 It is a top view of the internal structure schematic of the frame.

[0012] Figure 3 yes Figure 2 Schematic diagram of the enlarged structure at M. DETAILED DESCRIPTION

[0013] The utility model is described in detail below in conjunction with specific implementation methods:

[0014] like Figures 1 to 3The illustrated embodiment of a mechanical arm for handling oil raw material barrels comprises a mechanical arm body 1, a frame 2, a fixed clamping block 31, a movable clamping block 32, a side clamping block 33, an electric push rod 4, a first guide rod 5, a connecting plate 6, a second guide rod 7, a support seat 8, a telescopic guide rod 81, a tension spring 82, a screw sleeve 9 and a cam 91. The inner end of the frame 2 is fixedly mounted on the end actuator arm of the mechanical arm body 1. The frame 2 is divided into a clamping area 21 and a transmission area 22 by a partition. The fixed clamping block 31 is fixedly mounted on the inner wall of the left end of the clamping area 21. The electric push rod 4 is fixedly mounted on the right end of the frame 2. The actuator rod of the electric push rod 4 is located in the transmission area 22 and slides through the partition. The first guide rod 5 and the second guide rod 7 are both slidably mounted on the partition and the right side plate of the frame 2. The left end of the first guide rod 5 and the actuator rod of the electric push rod 4 are both fixedly connected to the movable clamping block 32. The connecting plate 6 It is fixedly sleeved and installed on the first guide rod 5, and the second guide rod 7 is also fixedly connected to the connecting plate 6. The left end of the second guide rod 7 is set to an external thread structure that matches the screw sleeve 9. The two support seats 8 are fixedly installed on the upper and lower inner walls of the clamping area 21, and the side clamping block 33 is slidably installed in the support seat 8. The four telescopic guide rods 81 are distributed in a rectangular shape and the two ends are respectively fixedly connected to the inner wall of the clamping area 21 and the inner end of the side clamping block 33. The tension spring 82 is sleeved and installed on the telescopic guide rod 81, and the two ends of the tension spring 82 are respectively fixedly connected to the inner wall of the clamping area 21 and the inner end of the side clamping block 33. The two ends of the screw sleeve 9 are rotatably installed in the support seat 8 through a ball bearing, and the retaining frame of the ball bearing is fixedly installed on the support seat 8. The two ends of the screw sleeve 9 are fixedly connected to the rotating body of the ball bearing. The second guide rod 7 is threadedly connected to the screw sleeve 9, and the cam 91 is fixedly sleeved and installed on the screw sleeve 9.

[0015] The clamping surfaces of the fixed clamping block 31, the movable clamping block 32, and the side clamping block 33 are all arranged to be arc surface structures that match the outer surface of the oil and fat raw material barrel to increase the contact area with the outer surface of the oil and fat raw material barrel and improve the stability of clamping the oil and fat raw material. The clamping surfaces of the fixed clamping block 31, the movable clamping block 32, and the side clamping block 33 are provided with mesh anti-slip patterns to increase the friction between the outer surface of the oil and fat raw material barrel and further improve the clamping stability.

[0016] Two cams 91 are symmetrically arranged at both ends of the screw sleeve 9 , thereby improving the stability of the cams 91 supporting the side clamping blocks 33 .

[0017] A first guide sleeve is fixedly installed on the right side of the frame 2, and a second guide sleeve is fixedly installed on the left inner wall of the transmission area 22. The first guide rod 5 and the second guide rod 7 are both slidably installed in the first guide sleeve and the second guide sleeve, that is, the first guide rod 5 is slidably installed in the first guide sleeve and the second guide sleeve, and the second guide rod 7 is slidably installed in the first guide sleeve and the second guide sleeve to improve the straightness of the first guide rod 5 and the second guide rod 7 when they move left and right. A through hole is provided in the middle of the connecting plate 6, and the electric push rod 4 is located in the through hole in the middle of the connecting plate 6 to avoid interference with the electric push rod 4 when the connecting plate 6 moves left and right.

[0018] The robot body 1 drives the frame 2 to move above the oil and fat raw material barrel that needs to be transported, and falls so that the clamping area 21 is covered on the oil and fat raw material barrel. At this time, there is a gap of 0.5-1cm between the fixed clamping block 31 and the outer wall of the oil and fat raw material barrel, and there is a gap of 2-5cm between the movable clamping block 32 and the side clamping block 33 and the outer wall of the oil and fat raw material barrel. The actuator rod of the start-up electric push rod 4 extends to the left to push the movable clamping block 32 to approach the oil and fat raw material barrel. When the movable clamping block 32 contacts the oil and fat raw material barrel, the oil and fat raw material barrel is pushed to move 0.5-1cm to the left to contact the fixed clamping block 31. At this time, the movable clamping block 32 and the fixed clamping block 33 are connected. The block 31 clamps and fixes the left and right sides of the oil raw material barrel. When the actuator rod of the electric push rod 4 extends to the left, the first guide rod 5 drives the combination of the connecting plate 6 and the second guide rod 7 to move to the left. The external thread structure at the left end of the second guide rod 7 drives the combination of the screw sleeve 9 and the rotating cam 91 to rotate during the leftward movement. The cam 91 pushes the side clamping block 33 to overcome the tension of the tension spring 82 and approach the oil raw material barrel. While the movable clamping block 32 and the fixed clamping block 31 clamp and fix the left and right sides of the oil raw material barrel, the two side clamping blocks 33 clamp and fix the upper and lower sides of the oil raw material barrel (this left and right, upper and lower clamping and fixing method refers to Figure 2 In actual use, the frame 2 is as shown in Figure 1 The state shown in the figure, and then the mechanical arm body 1 drives the frame 2 to carry the oil raw material barrel. The actuator rod of the electric push rod 4 retracts to the right to drive the movable clamping block 32 to move rightward and reset, the cam 91 rotates with the screw sleeve 9 to reset, and the side clamping block 33 moves to the upper and lower sides of the frame 2 and resets under the tension of the tension spring 82.

Claims

1. A mechanical arm for handling barrels of oil and fat raw materials, characterized in that: The invention comprises a mechanical arm body (1), a frame (2), a fixed clamping block (31), a movable clamping block (32), a side clamping block (33), an electric push rod (4), a first guide rod (5), a connecting plate (6), a second guide rod (7), a support seat (8), a telescopic guide rod (81), a tension spring (82), a screw sleeve (9) and a cam (91), wherein the inner end of the frame (2) is fixedly mounted on the end actuator arm of the mechanical arm body (1), the frame (2) is divided into a clamping area (21) and a transmission area (22) by a partition, the fixed clamping block (31) is fixedly mounted on the inner wall of the left end of the clamping area (21), the electric push rod (4) is fixedly mounted on the right end of the frame (2), the actuator rod of the electric push rod (4) is located in the transmission area (22) and slides through the partition, the first guide rod (5) and the second guide rod (7) are both slidably mounted on the partition and the right side plate of the frame (2), the left end of the first guide rod (5) and the actuator rod of the electric push rod (4) are both connected to the partition. The movable clamping block (32) is fixedly connected, the connecting plate (6) is fixedly sleeved and installed on the first guide rod (5), the second guide rod (7) is also fixedly connected to the connecting plate (6), the left end of the second guide rod (7) is set to an external thread structure that matches the screw sleeve (9), the two support seats (8) are fixedly installed on the upper and lower inner walls of the clamping area (21), the side clamping block (33) is slidably installed in the support seat (8), and the four telescopic guide rods (81) are distributed in a rectangular shape and the two ends are respectively The tension spring (82) is sleeved and mounted on the telescopic guide rod (81), and the two ends of the tension spring (82) are respectively fixedly connected to the inner wall of the clamping area (21) and the inner end of the side clamping block (33). The two ends of the screw sleeve (9) are rotatably mounted in the support seat (8) via ball bearings. The second guide rod (7) is threadedly connected to the screw sleeve (9), and the cam (91) is sleeved and mounted on the screw sleeve (9).

2. The oil and fat raw material barrel handling robot arm according to claim 1 is characterized in that: The clamping surfaces of the fixed clamping block (31), the movable clamping block (32) and the side clamping block (33) are all arranged as arc surface structures matching the outer surface of the oil raw material barrel, and the clamping surfaces of the fixed clamping block (31), the movable clamping block (32) and the side clamping block (33) are provided with mesh anti-slip patterns.

3. The grease raw material barrel handling robot arm according to claim 1 is characterized in that: Two cams (91) are symmetrically arranged at both ends of the screw sleeve (9).

4. The grease raw material barrel handling robot arm according to claim 1, characterized in that: A first guide sleeve is fixedly mounted on the right side surface of the frame (2), a second guide sleeve is fixedly mounted on the left inner wall of the transmission area (22), and the first guide rod (5) and the second guide rod (7) are both slidably mounted in the first guide sleeve and the second guide sleeve.

Images