A short fiber vertical automatic packing machine cotton pressing board anti-falling device

Abstract

The utility model relates to a kind of short fiber vertical automatic packing machine cotton-pressing plate anti-falling device, including frame type frame and the cotton-pressing plate being set in frame, oil cylinder is set on the top surface of frame and drives the lifting of cotton-pressing plate, travel switch is set on the outside of frame, the side of frame is connected with a positioning frame, a horizontally arranged sliding sleeve and a locking pin slidingly inserted in sliding sleeve are connected on positioning frame, the axial direction of sliding sleeve and locking pin is opposite frame side wall, a through hole opposite locking pin is opened in frame side wall, cotton-pressing plate rises to upper dead point and is located above through hole, the length of locking pin satisfies that it slides along sliding sleeve to through hole and is inserted into frame, and it is blocked below cotton-pressing plate.The utility model uses the locking pin inserted into frame through through hole to block cotton-pressing plate from falling, to eliminate the security risk that operator is injured when cleaning cotton storage box due to cotton-pressing plate falling, improve short fiber vertical automatic packing machine cleaning safety.

Description

Technical Field

[0001] This utility model belongs to the field of packaging technology, specifically relating to a device for preventing the cotton pressing board of a short fiber vertical automatic baling machine from falling off. Background Technology

[0002] In the production of blended yarn, various short fibers need to be pre-blended and packaged into products of a specified weight. Before and after blending, the inside of the baling machine needs to be cleaned. At this time, the baling machine's pressure plate is at its highest stroke position, suspended above the cotton storage box. Since the pressure plate is controlled by a hydraulic cylinder and a limit switch, the hydraulic system suffers from valve blockage and unstable pressure, posing a risk of the pressure plate suddenly falling. Therefore, it is necessary to design a fall prevention device to solve the aforementioned technical problem. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a device to prevent the pressure plate of a short fiber vertical automatic baling machine from falling, so as to solve the technical problem that the pressure plate, which is at the highest position of the stroke, is at risk of falling when the baling machine is in operation.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A short fiber vertical automatic baling machine's cotton pressing plate anti-fall device includes a frame frame and a cotton pressing plate set inside the frame. A hydraulic cylinder is vertically connected to the top surface of the frame. The push rod of the hydraulic cylinder is inserted into the frame and connected to the cotton pressing plate. The hydraulic cylinder drives the cotton pressing plate to rise and fall, compacting the short fibers in the cotton storage box below the cotton pressing plate. A limit switch for controlling the action of the hydraulic cylinder is set on the outside of the frame. A positioning frame is connected to one side of the frame. A horizontally set sliding sleeve and a locking pin slidably inserted into the sliding sleeve are connected to the positioning frame. The axis of the sliding sleeve and the locking pin are directly opposite the side wall of the frame. A through hole is opened on the side wall of the frame, which is directly opposite the locking pin. When the cotton pressing plate rises to the upper stop point, it is located above the through hole. The length of the locking pin is sufficient for it to slide along the sliding sleeve towards the through hole and pass through the through hole to insert into the frame, blocking the cotton pressing plate from falling below.

[0005] As a preferred option, a disc is coaxially connected to the end of the locking pin away from the frame, and the diameter of the disc is larger than the diameter of the locking pin.

[0006] As a preferred embodiment, the positioning frame is also connected to a micro switch and a swing arm. The middle part of the swing arm intersects with the positioning frame, one end corresponds to the button of the micro switch, and the other end extends to the disc at the end of the locking pin, corresponding to the outer edge of the disc. A rotating wheel is rotatably connected to the end of the swing arm corresponding to the outer edge of the disc. The swing arm is connected to the positioning frame through a torsion spring. The torque of the torsion spring drives the rotating wheel on the swing arm to abut against the end of the disc opposite to the locking pin. When the locking pin is inserted into the frame to block the cotton pressing plate, one end of the swing arm presses against the button of the micro switch, causing the micro switch to disconnect. The micro switch is connected in series in the power circuit of the limit switch.

[0007] As a preferred embodiment, the sliding sleeve has a locking hole radially formed, and a locking screw is threaded into the locking hole. The locking screw is directly opposite the side wall of the locking pin and is used to lock the locking pin.

[0008] As a preferred embodiment, the frame includes a rectangular cotton storage box with an open top, support plates vertically connected to the tops of opposite side plates of the cotton storage box, and a top plate connecting the tops of the two support plates. The cotton storage box has an open top, and the inner walls of both sides of the cotton storage box are flush with the inner walls of the two support plates. A pressing plate is set between the two support plates, and a hydraulic cylinder is fixedly connected to the top plate. The push rod of the hydraulic cylinder passes through the top plate and connects to the pressing plate. A through hole is opened on a support plate.

[0009] The beneficial effects of this utility model are: This utility model uses a locking pin inserted into the frame through the through hole to prevent the cotton pressing plate from falling, thereby eliminating the safety risk of personnel injury caused by the cotton pressing plate falling when the operator cleans the cotton storage box, and improving the cleaning safety of the short fiber vertical automatic baling machine. Attached Figure Description

[0010] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings, wherein: Figure 1 This is a schematic diagram of the gaze structure described in this utility model; Figure 2 This is a side-view of the locking pin assembly structure described in this utility model; Figure 3 This is a schematic diagram of the linkage structure between the micro switch and the locking pin described in this utility model; Figures 1-3 In the middle: 1. Frame; 101. Support plate; 102. Top plate; 2. Pressing plate; 3. Hydraulic cylinder; 4. Cotton storage box; 5. Limit switch; 6. Positioning frame; 7. Sliding sleeve; 8. Locking pin; 9. Through hole; 10. Disc; 11. Micro switch; 12. Swing arm; 13. Rotary wheel; 14. Torsion spring; 15. Locking hole; 16. Locking screw. Detailed Implementation

[0011] The specific implementation scheme of this utility model will now be described in detail with reference to the accompanying drawings.

[0012] like Figures 1-3The device shown is a short fiber vertical automatic baling machine with a cotton pressing plate anti-fall device, including a frame frame 1 and a cotton pressing plate 2 set inside the frame 1. A hydraulic cylinder 3 is vertically connected to the top surface of the frame 1. The push rod of the hydraulic cylinder 3 is inserted into the frame 1 and connected to the cotton pressing plate 2. The hydraulic cylinder 3 drives the cotton pressing plate 2 to rise and fall, compacting the short fibers in the cotton storage box 4 below the cotton pressing plate 2. A limit switch 5 for controlling the action of the hydraulic cylinder is set on the outside of the frame 1. A positioning frame 6 is connected to one side of the frame 1. A horizontally set sliding sleeve 7 and a locking pin 8 slidably inserted into the sliding sleeve 7 are connected to the positioning frame 6. The axis of the sliding sleeve 7 and the locking pin 8 are directly opposite the side wall of the frame 1. A through hole 9 is opened on the side wall of the frame 1, which is directly opposite the locking pin 8. When the cotton pressing plate 2 rises to the upper stop point, it is located above the through hole 9. The length of the locking pin 8 is sufficient for it to slide along the sliding sleeve 7 to the through hole 9 and pass through the through hole 9 to insert into the frame 1, blocking the cotton pressing plate 2 from falling.

[0013] The locking pin 8 is inserted below the cotton pressing plate 2 inside the frame, which fundamentally prevents the risk of the cotton pressing plate 2 falling.

[0014] A disc 10 is coaxially connected to the end of the locking pin 8 away from the frame. The diameter of the disc 10 is larger than the diameter of the locking pin 8. The disc 10 makes it easier for the operator to apply force to the locking pin 8, while preventing the locking pin 8 from dislodging from the sliding sleeve 7.

[0015] The positioning frame 6 is also connected to a micro switch 11 and a swing arm 12. The middle part of the swing arm 12 is hinged to the positioning frame 6. One end corresponds to the button of the micro switch 11, and the other end extends to the disc 10 at the end of the locking pin 8, corresponding to the outer edge of the disc 10. A rotating wheel 13 is rotatably connected to the end of the swing arm 12 corresponding to the outer edge of the disc 10. The swing arm 12 is connected to the positioning frame 6 through a torsion spring 14. The torque of the torsion spring 14 drives the rotating wheel 13 on the swing arm 12 to abut against the end of the disc 10 facing away from the locking pin 8. When the locking pin 8 is inserted into the frame 1 to block the cotton pressing plate 2, one end of the swing arm 12 presses against the button of the micro switch 11, causing the micro switch 11 to open. The micro switch 11 is connected in series in the power circuit of the limit switch 5. After the micro switch 11 is turned off, the limit switch 5 is disconnected from the power supply. Even if the operator accidentally touches the limit switch 5, the cylinder 3 cannot be controlled. This can effectively prevent the pressure plate 2 from being locked by the locking pin 8. If the operator accidentally touches the limit switch 5, the cylinder 3 will drive the pressure plate 2 to descend, causing damage to the pressure plate 2 or the locking pin 8.

[0016] A locking hole 15 is radially opened on the sliding sleeve 7. A locking screw 16 is internally threaded into the locking hole 15. The locking screw 16 is directly opposite the side wall of the locking pin 8 and is used to lock the locking pin 8.

[0017] In this embodiment, the frame 1 includes a rectangular cotton storage box 4 with an open top, support plates 101 vertically connected to the top of opposite side plates of the cotton storage box 4, and a top plate 102 connecting the top of the two support plates 101. The cotton storage box 4 has an open top, and the inner walls of the two sides of the cotton storage box 4 are flush with the inner walls of the two support plates 101. The pressing plate 2 is set between the two support plates 101. The hydraulic cylinder 3 is fixedly connected to the top plate 102. The push rod of the hydraulic cylinder 3 passes through the top plate 102 and connects with the pressing plate 2. The through hole 9 is opened on one of the support plates 101.

[0018] The working process of this utility model is as follows: Figures 1-3 As shown, when the operator needs to clean the cotton storage box 4, first control the hydraulic cylinder 3 to drive the cotton pressing plate 2 to rise to the upper stop point through the limit switch 5, and then loosen the locking screw 16. After the locking screw 16 is loosened, the locking pin 8 is driven to slide into the through hole 9 by manual pressing or by using the restoring force of the swing arm 12 until the locking pin 8 passes through the through hole 9 and inserts into the frame 1, blocking the cotton pressing plate 2 from falling.

[0019] like Figure 3 As shown, when the locking pin 8 is inserted into the frame 1, the swing arm 12 is reset under the elastic force of the torsion spring 13, so that the end of the swing arm 12 corresponding to the micro switch 11 is pressed onto the button of the micro switch 11. Depending on the different drive circuits, the micro switch 11 can be selectively set as a normally open or normally closed switch. In this embodiment, the micro switch 11 is directly connected in series in the power supply circuit of the limit switch 5. Therefore, the micro switch 11 is set as a normally closed switch. When the button of the micro switch 11 is pressed, the connection is disconnected, so that the power supply circuit of the limit switch 5 is disconnected, and the limit switch 5 loses its function of controlling the hydraulic cylinder 3. At this time, even if the operator misoperates the limit switch 5, the hydraulic cylinder 3 will not be started. Therefore, the problem of the hydraulic cylinder 3 driving the pressing plate 2 to squeeze the locking pin 8 and causing damage to the pressing plate 2 or the locking pin is effectively avoided.

[0020] The above embodiments are merely illustrative of the principles and effects of the present invention, as well as some examples of its application, and are not intended to limit the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements are all within the scope of protection of the present invention.

Claims

1. A device for preventing the pressing plate of a short fiber vertical automatic baling machine from falling off, comprising a frame frame and a pressing plate disposed within the frame, a hydraulic cylinder vertically connected to the top surface of the frame, the cylinder's push rod being inserted into the frame and connected to the pressing plate, the hydraulic cylinder driving the pressing plate to rise and fall, compacting the short fibers in the cotton storage box below the pressing plate, and a limit switch for controlling the movement of the hydraulic cylinder being provided on the outside of the frame, characterized in that... A positioning frame is connected to one side of the frame. A horizontally arranged sliding sleeve and a locking pin that slides into the sliding sleeve are connected to the positioning frame. The axis of the sliding sleeve and the locking pin is directly opposite the side wall of the frame. A through hole is opened on the side wall of the frame, which is directly opposite the locking pin. When the cotton pressing plate rises to the upper stop point, it is located above the through hole. The length of the locking pin is sufficient for it to slide along the sliding sleeve toward the through hole and pass through the through hole to insert into the frame, blocking the cotton pressing plate from falling.

2. The anti-fall device for the cotton pressing board of the short fiber vertical automatic baling machine according to claim 1, characterized in that, A disc is coaxially connected to the end of the locking pin away from the frame, and the diameter of the disc is larger than the diameter of the locking pin.

3. The anti-fall device for the cotton pressing board of the short fiber vertical automatic baling machine according to claim 2, characterized in that, The positioning frame is also connected to a micro switch and a swing arm. The middle part of the swing arm intersects with the positioning frame, one end corresponds to the button of the micro switch, and the other end extends to the disc at the end of the locking pin, corresponding to the outer edge of the disc. A rotating wheel is rotatably connected to the end of the swing arm corresponding to the outer edge of the disc. The swing arm is connected to the positioning frame through a torsion spring. The torque of the torsion spring drives the rotating wheel on the swing arm to abut against the end of the disc opposite to the locking pin. When the locking pin is inserted into the frame to block the cotton pressing plate, one end of the swing arm presses against the button of the micro switch, causing the micro switch to disconnect. The micro switch is connected in series in the power circuit of the limit switch.

4. The anti-fall device for the cotton pressing board of the short fiber vertical automatic baling machine according to claim 1, characterized in that, A locking hole is radially opened on the sliding sleeve, and a locking screw is threaded into the locking hole. The locking screw is directly opposite the side wall of the locking pin and is used to lock the locking pin.

5. The anti-fall device for the cotton pressing board of the short fiber vertical automatic baling machine according to claim 1, characterized in that, The frame includes a rectangular cotton storage box with an open top, support plates vertically connected to the tops of opposite side plates of the cotton storage box, and a top plate connecting the tops of the two support plates. The cotton storage box has an open top, and the inner walls of the two sides of the cotton storage box are flush with the inner walls of the two support plates. A pressing plate is set between the two support plates. A hydraulic cylinder is fixedly connected to the top plate, and the push rod of the hydraulic cylinder passes through the top plate and connects to the pressing plate. A through hole is opened on a support plate.

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