An automatic pin feeding and pressing mechanism

Abstract

The present invention provides an automatic feeding and pressing mechanism for pins, which belongs to the technical field of vehicle-mounted thermal insulation box manufacturing. It includes a frame, a hopper fixed on the frame, a vibration motor fixed at the lower front of the hopper, a rodless cylinder fixed at the middle of the upper part of the frame, a push rod fixed on the slider of the rodless cylinder, a standard cylinder fixed at the left front of the frame, a pin tube slidably connected to the frame and fixedly connected to the piston rod of the standard cylinder, an electric ball screw slide fixed at the rear of the frame, and a movable pressing pin head fixed on the slider of the electric ball screw slide. The rodless cylinder and the standard cylinder are used in combination for feeding, and the electric ball screw slide drives the movable pressing pin head to penetrate the pin tube shaft to press the pin. The present invention can realize automatic feeding and automatic pressing of pins during box assembly, and has the advantages of high degree of automation, low labor intensity for workers, and simple and convenient operation.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle-mounted thermal insulation box manufacturing, and in particular to an automatic pin feeding and pressing mechanism. Background Art

[0002] After injection molding, the lid and body of a car insulated box need to be connected by a pin. Currently, after drilling holes for the lid and body, the pin is typically manually inserted into the hole and hammered into place. This process is inefficient, labor-intensive, and can easily deform the pin. Summary of the Invention

[0003] The purpose of the present invention is to provide an automatic feeding and pressing mechanism for a pin shaft in response to the above-mentioned problems existing in the existing technology. The technical problem to be solved by the present invention is how to realize the automatic feeding and pressing of the pin shaft when assembling the cover and the box body of the vehicle-mounted thermal insulation box.

[0004] The object of the present invention can be achieved through the following technical solutions: an automatic feeding and pressing mechanism of a pin shaft, comprising a frame, a hopper fixedly arranged on the frame, a vibration motor fixedly arranged at the lower front of the hopper, a rodless cylinder fixedly arranged in the middle above the frame, a push rod fixedly arranged on the rodless cylinder slider, a standard cylinder fixedly arranged on the left front of the frame, a pin shaft tube slidably connected to the frame and fixedly connected to the standard cylinder piston rod, an electric ball screw slide fixedly arranged at the rear of the frame, and a movable pressing pin head fixedly arranged on the electric ball screw slide slider. The rodless cylinder and the standard cylinder are used in combination for loading, and the electric ball screw slide drives the movable pressing pin head to pass through the pin tube shaft to press the pin, and one side of the hopper discharge end has a through hole, and one side of the through hole has a first notch therethrough, and the push rod has a first connecting plate, the first connecting plate has an L-shaped cross section, and a first optical axis is fixedly arranged on one side of the short side of the first connecting plate, the first connecting plate passes through the first notch, and the first optical axis is slidably connected to the through hole.

[0005] Furthermore, the pin shaft tube has a hollow shaft, and a second notch is provided on one side of the hollow shaft, and the second notch is in an eight-shaped shape.

[0006] Furthermore, the movable pressing pin head has a second connecting plate, a second optical axis is provided on the second connecting plate, the second connecting plate and the second optical axis are connected at both sides with chamfered angles, the second connecting plate passes through the second notch, and the second optical axis is slidably connected to the hollow shaft.

[0007] The beneficial effects of the present invention are: by vibrating the hopper with a vibration motor, the pin to be pressed can be rolled into the through hole; by driving the push rod with a rodless cylinder, the pin can be pushed out of the through hole of the hopper and pushed into the pin tube; by driving the pin tube equipped with the pin backward with a standard cylinder, the pin can be made coaxial with the second optical axis of the movable pressing pin head; by controlling the movable pressing pin head to pass through the pin tube through the electric ball screw slide, automatic loading of the pin and automatic pressing of the pin can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 、 Figure 2 、 Figure 3 They are schematic diagrams of the three-dimensional structure of this mechanism from different perspectives.

[0009] Figure 4 It is a three-dimensional structural diagram of the hopper in this mechanism.

[0010] Figure 5 It is a schematic diagram of the three-dimensional structure of the push rod in this mechanism.

[0011] Figure 6 It is a three-dimensional structural diagram of the pin shaft tube in this mechanism.

[0012] Figure 7 It is a three-dimensional structural diagram of the movable pressing pin head in this mechanism.

[0013] In the figure, 1. frame; 2. hopper; 201. through hole; 202. first notch; 3. vibration motor; 4. rodless cylinder; 5. push rod; 501. first connecting plate; 502. first optical axis; 6. standard cylinder; 7. pin tube; 701. threaded hole; 702. hollow shaft; 703. second notch; 8. electric ball screw slide; 9. movable pressure pin head; 901. second connecting plate; 902. second optical axis; 10. pin. DETAILED DESCRIPTION

[0014] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0015] like Figures 1 to 3As shown, it includes a frame 1, a hopper 2 fixedly arranged on the frame 1, a vibration motor 3 fixedly arranged at the lower front of the hopper 2, a rodless cylinder 4 fixedly arranged at the middle of the upper part of the frame 1, a push rod 5 fixedly arranged on the slider of the rodless cylinder 4, a standard cylinder 6 fixedly arranged on the left front of the frame 1, a pin shaft tube 7 slidably connected to the frame 1, an electric ball screw slide 8 fixedly arranged at the rear of the frame 1, and a movable pressure pin head 9 fixedly arranged on the slider of the electric ball screw slide 8 , where the hopper 2 is used to stack the pins 10 to be pressed; the vibration motor 3 is used to vibrate the pins 10 from the stacking area in the hopper 2 to the discharge end of the hopper 2; the rodless cylinder 4 is used to drive the push rod 5 to move to the left, so that the pin 10 can be pushed into the pin tube 7; the standard cylinder 6 is used to move the pin tube 7 with the pin 10 backward, so that the pin 10 is coaxial with the second optical axis 902 of the movable pressing pin head 9; the electric ball screw slide 8 is used to drive the movable pressing pin head 9 to move left and right, passing through the pin tube 7.

[0016] like Figure 4 As shown, the hopper 2 has a through hole 201 on one side of the discharge end, and a first notch 202 is provided on one side of the through hole 201. When the vibration motor 3 is working, the pin 10 can be vibrated into the through hole 201. Figure 5 As shown, the push rod 5 has a first connecting plate 501, the cross-section of the first connecting plate 501 is L-shaped, and a first optical axis 502 is fixedly provided on one side of the short side of the first connecting plate 501. The first connecting plate 501 passes through the first notch 202, and the first optical axis 502 is slidably connected to the through hole 201, and is used to push the pin shaft 10 in the through hole 201 out.

[0017] like Figure 6 As shown, the pin shaft tube 7 has a threaded hole 701 and a hollow shaft 702, and a second notch 703 is provided on one side of the hollow shaft 702, wherein the threaded hole 701 is used to connect the piston rod of the standard cylinder 6; the hollow shaft 702 is used to place the pin shaft 10 to be pressed and plays a guiding role when the pressing pin head 9 is moved to extrude the pin shaft 10; the second notch 703 is in an eight-shaped shape and is used for the moving pressing pin head 9 to pass through.

[0018] like Figure 7 As shown, the movable pressing pin head 9 has a second connecting plate 901, and a second optical axis 902 is provided on the second connecting plate 901. The second connecting plate 901 and the second optical axis 902 are connected at both sides with chamfered angles to facilitate the second connecting plate 901 to pass through the second notch 703. The second optical axis 902 is slidably connected to the hollow shaft 702, and is used for the electric ball screw slide 8 to drive the movable pressing pin head 9 to slide on the pin shaft tube 7, thereby pressing the pin shaft 10 into the rotating shaft through hole of the insulation box.

[0019] Before use, reset the push rod 5, the pin shaft tube 7 and the movable pressing pin head 9, and then put the pin shaft 10 to be pressed into the hopper 2; when in use, the vibration motor 3 is energized, so that the pin shaft 10 in the hopper 2 vibrates into the through hole 201, and the rodless cylinder 4 drives the push rod 5 to move left, and the first optical axis 502 on the push rod 5 passes through the through hole 201 in the hopper 2, pushing the pin shaft 10 in the through hole 201 into the hollow shaft 702 on the pin shaft tube 7, and the rodless cylinder 4 drives the push rod 5 to move right and reset, and the standard cylinder 6 Drive the pin shaft tube 7 backward so that the hollow shaft 702 of the pin shaft tube 7 is coaxial with the second optical axis 902 on the movable pressing pin head 9. The electric ball screw slide 8 drives the movable pressing pin head 9 to penetrate the hollow shaft 702, so that the pin shaft 10 in the pin shaft tube 7 moves to the left and is inserted into the rotating shaft through hole of the insulation box. After the pin shaft 10 is pressed into place, the electric ball screw slide 8 drives the movable pressing pin head 9 to move right and reset, and the piston rod of the standard cylinder 6 retracts. At this point, the automatic loading and pressing action of the pin shaft 10 of an insulation box is completed.

[0020] The advantages are: by vibrating the hopper 2 through the vibration motor 3, the pin 10 in the hopper 2 can be vibrated into the through hole 201; by driving the push rod 5 through the rodless cylinder 4, the push rod 5 passes through the through hole 201, and the pin 10 can be pushed out from the through hole 201 in the hopper 2 and pushed into the pin tube 7; by driving the pin tube 7 equipped with the pin 10 backward through the standard cylinder 6, the pin 10 can be made coaxial with the second optical axis 902 of the movable pressing pin head 9; by controlling the second optical axis 902 on the movable pressing pin head 9 through the hollow shaft 702 on the pin tube 7 through the electric ball screw slide 8, the pin 10 can be pushed out, thereby realizing automatic loading of the pin 10 and automatic pressing of the pin 10.

[0021] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A pin automatic feeding and pressing mechanism, characterized in that: The invention comprises a frame (1), a hopper (2) fixedly arranged on the frame (1), a vibration motor (3) fixedly arranged at the lower front of the hopper (2), a rodless cylinder (4) fixedly arranged at the middle of the upper part of the frame (1), a push rod (5) fixedly arranged on the slider of the rodless cylinder (4), a standard cylinder (6) fixedly arranged at the left front of the frame (1), a pin shaft tube (7) slidably connected to the frame (1) and fixedly connected to the piston rod of the standard cylinder (6), an electric ball screw slide (8) fixedly arranged at the rear of the frame (1), and a movable pressure pin head (9) fixedly arranged on the slider of the electric ball screw slide (8). The rodless cylinder (4) and the standard The cylinder (6) is used in combination for loading, and the electric ball screw slide (8) drives the movable pressing pin head (9) to penetrate the pin tube shaft (7) to press the pin; a through hole (201) is provided on one side of the discharge end of the hopper (2), and a first through notch (202) is provided on one side of the through hole (201); a first connecting plate (501) is provided on the push rod (5), and the cross section of the first connecting plate (501) is L-shaped. A first optical axis (502) is fixedly provided on one side of the short side of the first connecting plate (501), the first connecting plate (501) penetrates the first notch (202), and the first optical axis (502) is slidably connected to the through hole (201).

2. The automatic pin feeding and pressing mechanism according to claim 1, characterized in that: The pin shaft tube (7) has a hollow shaft (702), and a second notch (703) is provided on one side of the hollow shaft (702), and the second notch (703) is in an eight-shaped shape.

3. The automatic pin feeding and pressing mechanism according to claim 1, characterized in that: The movable pressing pin head (9) has a second connecting plate (901), a second optical axis (902) is provided on the second connecting plate (901), two sides of the connection between the second connecting plate (901) and the second optical axis (902) are chamfered, the second connecting plate (901) passes through the second notch (703), and the second optical axis (902) is slidably connected to the hollow shaft (702).

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