Paper feeding protection mechanism of paper conveying device

Abstract

According to the technical scheme, the paper feeding protection mechanism of the paper conveying device is characterized by comprising a machine frame and a conveyor, a paper feeding space is formed in the machine frame, a paper feeding opening is formed in one side of the paper feeding space, the conveyor penetrates through the paper feeding opening from the paper feeding space and extends outwards, installation bases are arranged on the two sides of the paper feeding opening respectively, and the installation bases are arranged on the machine frame. A protection plate is hinged to the mounting base, and a control part used for controlling the protection plate to rotate is arranged on the mounting base; the conveyor comprises a machine base, a conveying belt, a transmission assembly and an abutting plate, the transmission assembly and the conveying belt are both arranged in the machine base, the transmission assembly is used for driving the conveying belt to move, and the abutting plate is detachably installed on the conveying belt; the abutting and pushing plate can abut against the control part in the moving process, so that the protection plate rotates, and the protection mechanism can conveniently and rapidly close the guardrails on the two sides.

Description

Technical Field

[0001] The utility model relates to a paper feeding machine, more specifically, it relates to a paper feeding protection mechanism of a paper feeding device. Background Art

[0002] The feeder, commonly known as the feeder, is a very important part of a modern offset printing press. Its main function is to automatically, accurately, and smoothly feed paper to the positioning or printing device in a certain pattern.

[0003] The paper loading mechanism of an existing paper feeder includes a frame, a paper loading space formed on the frame and having a paper feeding port on one side, a feeder head arranged on the frame and located above the paper loading space, a lifting frame arranged on the frame and located in the paper loading space, a conveyor platform installed on the frame, a conveyor connected to the lifting frame and extending outward through the paper feeding port, and left and right guardrails installed on both sides of the paper feeding port.

[0004] Guardrails on both sides can block the paper loading space and the external space to ensure safety during paper transportation. However, the existing operation is very cumbersome and requires operators to close the guardrails on both sides separately. In order to save time, some operators will cross the conveyor in the middle, which will cause many problems in terms of personal safety and mechanical safety. If the conveyor is passed, the operation process will be cumbersome and time-consuming, and efficiency cannot be maximized. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a paper feeding protection mechanism for a paper conveying device, which can conveniently and quickly close the guardrails on both sides.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a paper feeding protection mechanism for a paper conveying device, comprising a frame and a conveyor, wherein a paper feeding space is formed in the frame, a paper feeding port is opened on one side of the paper feeding space, the conveyor extends outward from the paper feeding space through the paper feeding port, mounting seats are respectively provided on both sides of the paper feeding port, a protection plate is hingedly provided on the mounting seat, and a control component for controlling the rotation of the protection plate is provided on the mounting seat;

[0007] The conveyor includes a base, a conveyor belt, a transmission assembly and a push plate. The transmission assembly and the conveyor belt are both arranged in the base. The transmission assembly is used to drive the conveyor belt to move. The push plate is detachably mounted on the conveyor belt.

[0008] The push plate can abut against the control component during the movement, thereby causing the protection plate to rotate.

[0009] The utility model is further configured as follows: a rotation groove is provided on the mounting seat, and a rotation head rotatably connected to the rotation groove is provided on the protection plate.

[0010] The utility model is further configured as follows: the rotating head is rotatably connected to the rotating groove via a rotating shaft, and a torsion spring for driving the protection plate to be in a normally closed state is provided on the rotating shaft.

[0011] The utility model is further configured as follows: the control component includes a limit rod, a limit spring, a transmission rod and a transmission spring; a transmission groove and a limit groove are provided in the mounting seat; the limit groove is communicated with the rotation groove; the limit rod is slidably connected to the limit groove via the limit spring;

[0012] The transmission groove is connected to the limiting groove, the transmission rod is slidably connected to the transmission groove through a transmission spring, and the limiting rod is linked to the transmission rod.

[0013] The utility model is further configured as follows: a limiting head is provided on one end of the limiting rod close to the rotating groove, a limiting inclined surface is provided on the limiting head, and a limiting hole for inserting the limiting head is provided on the rotating head.

[0014] The utility model is further configured as follows: a linkage groove is provided on the limit rod, a linkage inclined surface is provided in the linkage groove, and a transmission inclined surface is provided on one end of the transmission rod close to the limit rod;

[0015] The transmission rod pushes the limiting rod to move in a direction away from the rotating groove through the transmission inclined surface.

[0016] The utility model is further configured as follows: connecting blocks are installed on both sides of the conveyor belt, the push plate includes a push portion and a connecting portion, and the connecting portion is provided with two groups, and is respectively located on both sides of the push portion;

[0017] The connecting portion is used for being detachably connected to the connecting block. When the conveyor belt drives the push plate to move through the connecting block, the push portion can abut against the transmission rod.

[0018] The utility model is further configured as follows: the connecting block is provided with a connecting groove and a plurality of plug-in holes, the connecting portion is provided with two groups of connecting holes, and the connecting portion and the connecting block are fixedly connected by limiting bolts.

[0019] To sum up, the utility model has the following beneficial effects: the push plate is installed on the conveyor belt, the paper to be transferred is placed on the push plate, and then the conveyor belt drives the push plate and the paper to move from the paper feeding port to the paper loading space. After the push plate moves into the paper loading space, the push plate will abut against the control component, so that the protective plates on both sides are closed, which protects the equipment and paper in the paper loading space, while reducing manual operation and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the paper conveying device;

[0021] Figure 2 Schematic diagram of the three-dimensional structure of the push plate;

[0022] Figure 3 for Figure 1 A magnified schematic diagram of point A;

[0023] Figure 4 It is a structural diagram of the control component.

[0024] Figure markings: 1. Frame; 11. Paper loading space; 12. Paper feeding port; 2. Conveyor; 21. Machine base; 22. Conveyor belt; 23. Transmission assembly; 24. Push plate; 241. Push portion; 242. Connecting portion; 243. Connecting hole; 25. Connecting block; 251. Connecting slot; 252. Plug-in hole; 3. Mounting seat; 31. Protective plate; 311. Rotating head; 312. Limiting hole; 32. Rotating slot; 33. Transmission slot; 34. Limiting slot; 4. Control component; 41. Limiting rod; 411. Limiting head; 412. Linkage slot; 42. Limiting spring; 43. Transmission rod; 44. Transmission spring. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0026] Reference Figures 1 to 4 As shown, to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a paper feeding protection mechanism of a paper conveying device, comprising a frame 1 and a conveyor 2, a paper feeding space 11 being formed in the frame 1, a paper feeding port 12 being opened on one side of the paper feeding space 11, the conveyor 2 extending outward from the paper feeding space 11 through the paper feeding port 12, mounting seats 3 being respectively provided on both sides of the paper feeding port 12, a protection plate 31 being hingedly provided on the mounting seat 3, and a control component 4 for controlling the rotation of the protection plate 31 being provided on the mounting seat 3;

[0027] The conveyor 2 includes a base 21, a conveyor belt 22, a transmission assembly 23 and a push plate 24. The transmission assembly 23 and the conveyor belt 22 are both arranged in the base 21. The transmission assembly 23 is used to drive the conveyor belt 22 to move. The push plate 24 is detachably mounted on the conveyor belt 22.

[0028] The push plate 24 can abut against the control component 4 during the movement, thereby causing the protection plate 31 to rotate.

[0029] In the design of the present invention, the push plate 24 is installed on the conveyor belt 22, and the paper to be transferred is placed on the push plate 24, and then the conveyor belt 22 drives the push plate 24 and the paper to move from the paper feeding port 12 to the paper loading space 11. After the push plate 24 moves into the paper loading space 11, the push plate 24 will abut against the control component 4, so that the protection plates 31 on both sides are closed, which protects the equipment and paper in the paper loading space 11, reduces manual operation and improves work efficiency.

[0030] The present invention is further configured as follows: a rotation groove 32 is provided on the mounting seat 3 , and a rotation head 311 rotatably connected to the rotation groove 32 is provided on the protection plate 31 .

[0031] The rotating head 311 is rotatably connected to the rotating slot 32 via a rotating shaft. A torsion spring is provided on the rotating shaft to drive the protection plate 31 to be in a normally closed state.

[0032] The design of this structure, due to the design of the rotation groove 32 and the torsion spring, can limit the rotation angle of the protection plate 31 and can make the protection plate 31 always rotate toward the closed state (the two protection plates 31 block the paper feed port 12).

[0033] The utility model is further configured as follows: the control component 4 includes a limit rod 41, a limit spring 42, a transmission rod 43 and a transmission spring 44; a transmission groove 33 and a limit groove 34 are provided in the mounting base 3; the limit groove 34 is connected to the rotation groove 32; the limit rod 41 is slidably connected to the limit groove 34 via the limit spring 42;

[0034] The transmission groove 33 is connected to the limiting groove 34 . The transmission rod 43 is slidably connected to the transmission groove 33 via a transmission spring 44 . The limiting rod 41 is linked to the transmission rod 43 .

[0035] When the protection plate 31 rotates from the normally closed state to the normally open state, it can be limited and fixed by the control component 4 .

[0036] The present invention is further configured as follows: a limiting head 411 is provided at one end of the limiting rod 41 close to the rotating groove 32 , a limiting inclined surface is provided on the limiting head 411 , and a limiting hole 312 for inserting the limiting head 411 is provided on the rotating head 311 .

[0037] The limiting rod 41 is provided with a linkage groove 412, and a linkage inclined surface is provided in the linkage groove 412. The transmission rod 43 is provided with a transmission inclined surface at one end close to the limiting rod 41.

[0038] The transmission rod 43 pushes the limiting rod 41 to move in a direction away from the rotation slot 32 via the transmission inclined surface.

[0039] like Figure 4 As shown (the torsion spring and the rotating shaft are not shown in the figure), the design of this structure is that when the protection plate is in the normally open state, the limit head 411 is inserted into the limit hole 312. At this time, when the transmission rod 43 is pushed toward the linkage groove 412, the transmission inclined surface and the linkage inclined surface gradually abut against each other, driving the limit rod 41 to move downward, thereby separating the limit head 411 from the limit hole 312. Under the action of the torsion spring, the protection plate is converted from the normally open state to the normally closed state;

[0040] When the protective plate needs to be converted from the normally closed state to the normally open state, the conveyor belt 22 is first used to control the push plate 24 to separate from the transmission rod 43 (this process can be completed during the feeding process. For example, during the feeding process, the conveyor belt 22 can first move forward multiple position units until the push plate 24 abuts against the transmission rod 43, and then retreat one position unit). At this time, the transmission rod 43 moves away from the linkage groove 412 under the action of the transmission spring 44, and the limit rod 41 moves upward under the action of the limit spring 42. Finally, the operator bends the protective plate again, and the limit head 411 is re-engaged in the limit hole 312 to form a fixation.

[0041] The design of the limiting slope enables the limiting rod to move downward along the limiting slope when the operator bends the protective plate until the limiting hole is aligned with the limiting head, and the limiting rod is inserted into the limiting hole under the action of the limiting spring.

[0042] This device only simplifies the operation during the feeding process and the protection plate limiting operation.

[0043] The present invention is further configured as follows: connecting blocks 25 are installed on both sides of the conveyor belt 22, the push plate 24 includes a push portion 241 and a connecting portion 242, and the connecting portion 242 is provided with two groups, and is respectively located on both sides of the push portion 241;

[0044] The connecting portion 242 is used for detachable connection with the connecting block 25 . When the conveyor belt 22 drives the push plate 24 to move via the connecting block 25 , the push portion 241 can abut against the transmission rod 43 .

[0045] With this structural design, when the pushing portion 241 drives the paper to move, the connecting portion 242 can abut against the transmission rod 43 .

[0046] The present invention is further configured as follows: a connection groove 251 and a plurality of plug holes 252 are provided on the connection block 25, two groups of connection holes 243 are provided on the connection portion 242, and the connection portion 242 and the connection block 25 are fixedly connected by limiting bolts.

[0047] The design of this structure can adjust the position of the push plate 24 to meet various operational requirements.

[0048] The control methods of other feeder heads and lifting frames can refer to the control methods mentioned in the existing technology or the patents previously applied for by our company, and will not be described in detail here.

[0049] The above are only preferred embodiments of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A paper feeding protection mechanism for a paper conveying device, comprising a frame (1) and a conveyor (2), wherein a paper feeding space (11) is formed in the frame (1), a paper feeding port (12) is opened on one side of the paper feeding space (11), and the conveyor (2) extends outward from the paper feeding space (11) through the paper feeding port (12), and is characterized in that: Mounting seats (3) are respectively provided on both sides of the paper feeding port (12); a protection plate (31) is hingedly provided on the mounting seat (3); and a control component (4) for controlling the rotation of the protection plate (31) is provided on the mounting seat (3); The conveyor (2) comprises a base (21), a conveyor belt (22), a transmission assembly (23) and a push plate (24); the transmission assembly (23) and the conveyor belt (22) are both arranged in the base (21); the transmission assembly (23) is used to drive the conveyor belt (22) to move; and the push plate (24) is detachably mounted on the conveyor belt (22); The push plate (24) can abut against the control component (4) during the movement, thereby causing the protection plate (31) to rotate.

2. The paper feeding protection mechanism of a paper conveying device according to claim 1, characterized in that: The mounting seat (3) is provided with a rotation groove (32), and the protection plate (31) is provided with a rotation head (311) rotatably connected to the rotation groove (32).

3. The paper feeding protection mechanism of a paper conveying device according to claim 2, characterized in that: The rotating head (311) is rotatably connected to the rotating groove (32) via a rotating shaft, and a torsion spring for driving the protective plate (31) to be in a normally closed state is provided on the rotating shaft.

4. The paper feeding protection mechanism of a paper conveying device according to claim 3, characterized in that: The control component (4) includes a limit rod (41), a limit spring (42), a transmission rod (43) and a transmission spring (44); a transmission groove (33) and a limit groove (34) are provided in the mounting seat (3); the limit groove (34) is connected to the rotation groove (32); the limit rod (41) is slidably connected to the limit groove (34) via the limit spring (42); The transmission groove (33) is connected to the limiting groove (34), the transmission rod (43) is slidably connected to the transmission groove (33) through a transmission spring (44), and the limiting rod (41) is linked to the transmission rod (43).

5. The paper feeding protection mechanism of a paper conveying device according to claim 4, characterized in that: A limiting head (411) is provided at one end of the limiting rod (41) close to the rotating groove (32), a limiting inclined surface is provided on the limiting head (411), and a limiting hole (312) for inserting the limiting head (411) is provided on the rotating head (311).

6. The paper feeding protection mechanism of a paper conveying device according to claim 4, characterized in that: The limiting rod (41) is provided with a linkage groove (412), a linkage inclined surface is provided in the linkage groove (412), and a transmission inclined surface is provided at one end of the transmission rod (43) close to the limiting rod (41); The transmission rod (43) pushes the limiting rod (41) to move in a direction away from the rotation groove (32) via the transmission inclined surface.

7. A paper feeding protection mechanism for a paper conveying device according to any one of claims 4 to 6, characterized in that: Connecting blocks (25) are installed on both sides of the conveyor belt (22); the push plate (24) includes a push portion (241) and a connecting portion (242); two groups of connecting portions (242) are provided and are respectively located on both sides of the push portion (241); The connecting portion (242) is used for being detachably connected to the connecting block (25); when the conveyor belt (22) drives the push plate (24) to move via the connecting block (25), the push portion (241) can abut against the transmission rod (43).

8. The paper feeding protection mechanism of a paper conveying device according to claim 7, characterized in that: The connecting block (25) is provided with a connecting groove (251) and a plurality of groups of plug holes (252), the connecting portion (242) is provided with two groups of connecting holes (243), and the connecting portion (242) and the connecting block (25) are fixedly connected by limiting bolts.

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