Knife door safety device

Abstract

The utility model provides a knife door safety device. The knife door safety device comprises a base, a limiting plate and an installing plate, the limiting plate and the installing plate are arranged on the two sides of the base respectively, the installing plate is arranged below the base, a rotatable adjusting rod is arranged on the base and connected with the limiting plate, the limiting plate has a standby state and an installing state, and the adjusting rod is connected with the limiting plate. In a standby state, the limiting plate is positioned above the mounting plate; in the installation state, the limiting plate is opposite to the installation plate, the knife gate seat is arranged between the limiting plate and the installation plate in a clamped mode, and the standby state of the limiting plate is converted into the installation state by rotating the adjusting rod. The base is arranged on the knife door seat and below the knife door, and the supporting plate and the base support the knife door together, so that the knife door is prevented from falling, and potential safety hazards are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of slicing machines, and particularly relates to a knife gate safety device. Background Art

[0002] In cigarette manufacturing production, workers need to lift the slicing machine for maintenance, inspection and maintenance work. During maintenance, the upper knife gate needs to be opened and raised to the maximum height. In the prior art, the upper knife gate is positioned at a high position through electric braking. However, during the long-term operation of the equipment, sudden situations such as component aging, air circuit or program failures may occur, resulting in the upper knife gate being unable to be stably positioned at the highest position, and there is a risk of the upper knife gate falling. The falling of the upper knife gate will not only cause equipment damage, but also serious safety accidents may occur in severe cases. Content of the Utility Model

[0003] The purpose of the utility model is to provide a knife gate safety device for the deficiencies of the above-mentioned prior art.

[0004] The utility model provides a knife gate safety device, which includes a base, a limiting plate and a mounting plate. The limiting plate and the mounting plate are respectively arranged on both sides of the base. The mounting plate is arranged below the base. A rotatable adjusting rod is arranged on the base. The adjusting rod is connected to the limiting plate. The limiting plate has a standby state and an installation state. In the standby state, the limiting plate is located above the mounting plate. In the installation state, the limiting plate is opposite to the mounting plate, and the knife gate seat is clamped between the limiting plate and the mounting plate. The limiting plate is converted from the standby state to the installation state by rotating the adjusting rod.

[0005] A preferred technical solution of the utility model: A receiving cavity is arranged inside the base. The adjusting rod penetrates through the receiving cavity. A baffle is arranged on the adjusting rod. The baffle is arranged inside the receiving cavity. A compression spring is sleeved outside the adjusting rod. Both ends of the compression spring respectively abut against the baffle and the inner wall of the receiving cavity.

[0006] A preferred technical solution of the utility model: A receiving groove is arranged on the outer side wall of the base. The adjusting rod penetrates through the receiving groove. In the standby state, the limiting plate is located inside the receiving groove. In the installation state, the limiting plate is completely outside the receiving groove.

[0007] A preferred technical solution of the utility model: The mounting plate is connected to the bottom of the base, and the bottom of the mounting plate is inclined outward.

[0008] A preferred technical solution of the utility model: A support platform is arranged on the top of the base. The support plate is arranged on the support platform, and the side wall of the support platform is hollowed out.

[0009] A preferred technical solution of the present utility model: An avoidance plate is provided on the side of the support plate and is inclined downward.

[0010] A preferred technical solution of the present utility model: The bottom area of the base is the same as the top area of the knife gate seat. In the installed state, the top of the knife gate seat is clamped between the limiting plate and the mounting plate.

[0011] A knife gate safety device of the present utility model has the following beneficial effects:

[0012] 1. The device is arranged on the knife gate seat and below the knife gate through the base. The support plate and the base jointly support the knife gate to prevent the knife gate from falling and avoid potential safety hazards.

[0013] 2. The knife gate seat is clamped by the limiting plate and the mounting plate, and the base is fixed on the knife gate seat. There is no need to additionally open installation holes or additionally add fixing structures to fix the device on the knife gate seat, which is convenient to operate.

[0014] 3. A limiting spring is arranged on the adjusting rod. After the limiting plate rotates, the elastic force of the compressed spring presses the limiting plate against the mounting plate, restricting the distance between the limiting plate and the mounting plate and improving the installation stability of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings incorporated into the specification and constituting a part of the specification illustrate embodiments of the present utility model and, together with the description, are used to explain the principles of the present utility model. In these drawings, like reference numerals are used to represent like elements. The following drawings are some embodiments of the present utility model, not all embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a side view of the embodiment of the present utility model in the standby state.

[0017] Figure 2 It is a side view of the embodiment of the present utility model in the installed state.

[0018] Figure 3 It is a front view of the embodiment of the present utility model in the standby state.

[0019] Figure 4 It is a front view of the embodiment of the present utility model in the installed state.

[0020] Figure 5 It is a top view of the embodiment of the present utility model (excluding the support plate).

[0021] In the figure: 10, base; 101, accommodation cavity; 102, accommodation groove; 11, adjusting rod; 12, compression spring; 13, baffle; 20, limiting plate; 30, mounting plate; 40, support plate; 41, avoidance plate; 50, support platform; 60, knife gate seat; 70, knife gate. Specific implementation mode

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments may be arbitrarily combined with each other.

[0023] Please refer to Figures 1 to 5 A knife gate safety device is installed between the knife gate seat 60 and the knife gate 70 to support the knife gate 70 to prevent the knife gate 70 from falling. It includes a base 10, a limiting plate 20 and a mounting plate 30. The base 10 is arranged on the knife gate seat 60. The mounting plate 30 and the limiting plate 20 are respectively arranged on both sides of the base 10. An adjusting rod 11 is rotatably arranged on the base 10. The adjusting rod 11 is connected to the limiting plate 20. The limiting plate 20 has a standby state and an installation state. In the standby state, the limiting plate 20 is located above the mounting plate 30; in the installation state, the limiting plate 20 is opposite to the mounting plate 30, and the knife gate seat 60 is clamped between the limiting plate 20 and the mounting plate 30. The base jacks up the knife gate 70 to keep the knife gate 70 at a high position and prevent the knife gate 70 from falling. By rotating the adjusting rod 11, the limiting plate 20 can be switched from the standby state to the installation state.

[0024] The accommodation cavity 101 is arranged at the bottom of the base 10. The connection part of the adjusting rod 11 and the limiting plate 20 is close to the end of the limiting plate 20 so that the relative area between the limiting plate 20 and the mounting plate 30 can be adjusted by rotating the adjusting rod 11. Specifically, in the standby state, the limiting plate 20 is opposite to the outer side wall of the base 10, and the projection of the limiting plate 20 relative to the mounting plate 30 is completely or mostly not located on the mounting plate 30, resulting in the limiting plate 20 not being opposite to the mounting plate 30 or the relative area between the limiting plate 20 and the mounting plate 30 being insufficient to enable the two to cooperate to clamp the knife gate seat 60. In the installation state, the projection of the limiting plate 20 relative to the mounting plate 30 is all or mostly located on the mounting plate 30, so that the relative area between the limiting plate 20 and the mounting plate 30 is large enough to clamp the knife gate seat 60 and stabilize the base on the knife gate seat 60. By rotating the adjusting rod 11, the limiting plate 20 can be rotated, thereby changing the relative area between the limiting plate 20 and the mounting plate 30.

[0025] In this embodiment, in the standby state, the limiting plate 20 is located above the mounting plate 30, and the projection of the limiting plate 20 relative to the mounting plate 30 is completely not located on the mounting plate 30. The limiting plate 20 is not opposite to the mounting plate 30, and the limiting plate 20 cannot cooperate with the mounting plate 30 to clamp the knife gate seat 60, as shown in Figure 1 and Figure 3 shown; by rotating the adjusting rod 11, the relative area between the limiting plate 20 and the mounting plate 30 can be changed. In the installed state, at least one-half of the area of the limiting plate 20 is opposite to the mounting plate 30, so that the limiting plate 20 can cooperate with the mounting plate 30 to clamp the knife gate seat 60, thereby stabilizing the base on the knife gate seat 60, as shown in Figure 2 and Figure 4 shown.

[0026] Preferably, a handle is provided at the end of the adjusting rod 11 to facilitate the operator to rotate the adjusting rod 11 through the handle.

[0027] The mounting plate 30 is arranged at the bottom of the base 10 and is connected to the base 10. Considering that in actual production, the top cross-section of the knife gate seat 60 of the wire cutting machine is trapezoidal, in order to match the shape of the top of the knife gate seat 60 and enable the limiting plate 20 and the mounting plate 30 to stably clamp the knife gate seat 60 after mutual cooperation, in this embodiment, the mounting plate 30 is inclined, and the inclination angle of the mounting plate 30 is the same as the inclination angle of the side wall of the top of the knife gate seat 60. The shape of the bottom area of the base 10 is the same as the shape of the top area of the knife gate seat 60, so that when the base 10 is placed on the knife gate seat 60, the bottom surface of the base 10 is aligned with the top surface of the knife gate seat 60, the mounting plate 30 fits against the outer inclined side wall of the knife gate seat 60, the limiting plate 20 fits against the outer vertical side wall of the knife gate seat 60, and the limiting plate 20 is pressed towards the knife gate seat 60 under the action of the compression spring 12, and cooperates with the mounting plate 30 to clamp the knife gate seat 60 to fix the device.

[0028] To improve the stability of the mounting plate 30 and the limiting plate 20 in clamping the knife gate seat 60, a compression spring 12 is further provided in the base 10. Specifically, a receiving cavity 101 is provided inside the base 10. The adjusting rod 11 passes through the receiving cavity 101. Both ends of the adjusting rod 11 are located outside the receiving cavity 101. The limiting plate 20 is fixedly arranged at one end of the adjusting rod 11 and is located outside the receiving cavity 101. A compression spring 12 is sleeved outside the adjusting rod 11. The compression spring 12 is arranged in the receiving cavity 101. A baffle 13 is provided on the adjusting rod 11. The baffle 13 is fixed relative to the adjusting rod 11. Both ends of the compression spring 12 are respectively in contact with the baffle 13 and the inner wall of the receiving cavity 101. In the standby state and the installed state, the compression spring 12 is always in a compressed state, as shown in Figure 1 shown.

[0029] An accommodation groove 102 is further provided on the outer side wall of the base 10. The adjusting rod 11 passes through the accommodation groove 102. The thickness of the limiting plate 20 is less than the depth of the accommodation groove 102. In the standby state, the limiting plate 20 is fixed in the accommodation groove 102 under the action of the compression spring 12. The accommodation groove 102 houses the limiting plate 20 to keep the outer wall of the base 10 flat, facilitating storage, as Figure 3 and Figure 4 shown; in the installation state, the limiting plate 20 is pushed to be completely outside the accommodation groove 102, as Figure 1 shown.

[0030] In the standby state, under the action of the compression spring 12, the baffle 13 is in close contact with the inner wall of the accommodation cavity 101, and the limiting plate 20 is in close contact with the outer wall of the base 10. By rotating the adjusting rod 11, the limiting plate 20 is converted from the standby state to the installation state. Under the action of the compression spring 12, the limiting plate 20 is in close contact with the outer side wall of the knife gate seat 60. The limiting plate 20 in the installation state cooperates with the mounting plate 30 to clamp the knife gate seat 60, and the base 10 is fixed on the knife gate seat 60.

[0031] The specific installation method is as follows: Place the base 10 on the top of the knife gate seat 60, press the adjusting rod 11 towards the inside of the accommodation cavity 101, push the adjusting rod 11 to separate the limiting plate 20 from the accommodation groove 102 until the limiting plate 20 is completely outside the accommodation groove 102. Keep pressing the adjusting rod 11 and rotate the adjusting rod 11 so that the limiting plate 20 rotates to face the mounting plate 30. Then release the adjusting rod 11. Under the limitation of the inner wall of the accommodation cavity 101 and the action of the compression spring 12, the compression spring 12 pushes the baffle 13 together with the adjusting rod 11 to move until the limiting plate 20 fits against the outer wall of the knife gate seat 60 and the adjusting rod 11 stops moving. The top of the knife gate seat 60 is clamped between the limiting plate 20 and the mounting plate 30 to fix the device, as Figure 2 shown.

[0032] Furthermore, a support platform 50 is provided on the base 10. The support platform 50 is vertically arranged, and its two ends are respectively fixedly connected to the base 10 and the support plate 40, thereby raising the support plate 40 so that when the base 10 is installed on the knife gate seat 60, the support plate 40 supports the knife gate 70 to prevent the knife gate 70 from falling. In this embodiment, the support platform 50 is formed by three straight plates connected end to end to form a triangular prism shape to improve the support stability of the support platform 50; the side wall of the support platform 50 is provided with a hollow structure. Specifically, holes are provided on the support plate for the operator to hold, as Figure 5 shown.

[0033] In actual production, the depth of the space between the knife gate seat 60 and the knife gate 70 is limited. To facilitate better fitting of the limit plate 20 and the mounting plate 30 to the side wall of the knife gate seat 60, and at the same time avoid interference between the support plate 40 and the wire cutting machine, a relief plate 41 is provided on the side of the support plate 40 close to the inside of the wire cutting machine. The relief plate 41 is inclined downward to reduce the space occupied by the support plate 40, ensuring that in the installed state, both the limit plate 20 and the mounting plate 30 can fit with the side wall of the knife gate seat 60.

[0034] 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 foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A knife gate safety device, characterized in that, It includes a base (10), a limit plate (20) and a mounting plate (30). The limit plate (20) and the mounting plate (30) are respectively arranged on both sides of the base (10), and the mounting plate (30) is arranged below the base (10). A rotatable adjusting rod (11) is arranged on the base (10), and the adjusting rod (11) is connected to the limit plate (20). The limit plate (20) has a standby state and an installation state. In the standby state, the limit plate (20) is located above the mounting plate (30); in the installation state, the limit plate (20) faces the mounting plate (30), and the knife gate seat (60) is clamped between the limit plate (20) and the mounting plate (30). By rotating the adjusting rod (11), the limit plate (20) is converted from the standby state to the installation state.

2. The knife gate safety device according to claim 1, characterized in that, A receiving cavity (101) is arranged inside the base (10), the adjusting rod (11) penetrates through the receiving cavity (101), a baffle (13) is arranged on the adjusting rod (11), the baffle (13) is arranged inside the receiving cavity (101), a compression spring (12) is sleeved outside the adjusting rod (11), and both ends of the compression spring (12) respectively abut against the baffle (13) and the inner wall of the receiving cavity (101).

3. The knife gate safety device according to claim 1, wherein, A receiving groove (102) is arranged on the outer side wall of the base (10), the adjusting rod (11) penetrates through the receiving groove (102). In the standby state, the limit plate (20) is located inside the receiving groove (102), and in the installation state, the limit plate (20) is located outside the receiving groove (102).

4. The knife gate safety device according to claim 1, characterized in that, The mounting plate (30) is connected to the bottom of the base (10), and the bottom of the mounting plate (30) is inclined outward.

5. A knife gate safety device according to claim 1, wherein, A support platform (50) is arranged on the top of the base (10), a support plate (40) is arranged on the top of the support platform (50), and the side wall of the support platform (50) is hollowed out.

6. The knife gate safety device according to claim 5, characterized in that, An avoidance plate (41) which is inclined downward is arranged on the side of the support plate (40).

7. The knife gate safety device according to claim 1, characterized in that, The bottom area of the base (10) is the same as the top area of the knife gate seat (60). In the installation state, the top of the knife gate seat (60) is clamped between the limit plate (20) and the mounting plate (30).

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