Paper cutting device with protective structure

By designing the structure of the installation strip, installation groove, locking rod and locking hole in the paper cutting device, combined with the unlocking button and return spring, the rapid installation and disassembly of the protective plate is achieved, solving the problems of safety risks and maintenance in the prior art, and improving safety and maintenance convenience.

CN222904275UActive Publication Date: 2025-05-27SHANDONG DETAI PAPER CO LTD
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Patent Information

Application Number
CN202421996573.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-05-27
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The existing paper cutting device has a safety risk during manual operation, and the conventional protective structure cannot be quickly disassembled and assembled, resulting in inconvenient maintenance.

Method used

A paper cutting device with a protective structure is designed, using a structure of mounting strips, mounting grooves, locking rods and locking holes, and the fast installation and disassembly of the protective plate is achieved through unlocking buttons and return springs.

Benefits of technology

The rapid installation and disassembly of the protective plate is realized, which reduces the direct contact between the user and the device body, improves safety, and is convenient for maintenance and use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The paper cutting device with the protection structure comprises a workbench, an installation frame and a protection plate, a device body is arranged on the rear side of the top of the workbench, the installation frame is arranged on the front side of the device body, and the protection plate is arranged in the installation frame. Compared with the prior art, the paper window has the advantages that by arranging the mounting strip, the first mounting groove, the second mounting groove, the locking rods and the locking holes, the protection plate and the mounting frame can be conveniently mounted, then the protection plate and the mounting frame are fixedly connected through embedded connection of the two sets of locking rods and the two sets of locking holes, paper slides into and out of the paper window through guiding of the paper guiding plate, and the paper window is convenient to use. The paper outlet window is arranged on the mounting frame and taken out from the paper outlet window, so that a user is isolated from the device body through the protection plate, safety accidents are avoided, the locking relation between the protection plate and the mounting frame can be removed conveniently through the arrangement of a reset spring, an unlocking button, a connecting rod and a baffle, mounting and dismounting are convenient, and therefore maintenance and use are convenient.
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Description

Technical Field

[0001] The utility model belongs to the technical field of cutting devices, and particularly relates to a paper cutting device with a protection structure. Background Art

[0002] A paper cutting device is a device used to cut paper into specific sizes and is widely used in the printing, packaging, and stationery industries. It can be manually or automatically operated according to production requirements and can efficiently and accurately complete the paper cutting work. Common types include flat knife cutting machines, paper cutters, and laser cutting machines, etc. These devices generally use sharp blades to ensure neat cutting edges and can handle papers of different thicknesses and types. There are certain safety risks in the operation of existing paper cutting devices. Especially during manual operation, it is easy to cause cutting injuries and potential safety hazards. The conventional solution is to install a protection structure outside the cutting device to avoid safety accidents. However, the disadvantage of this method is that the installed protection structure is generally fixed in structure and cannot be quickly disassembled and assembled, resulting in inconvenient maintenance. Therefore, a new structure is proposed to solve the above problems. Content of the Utility Model

[0003] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a paper cutting device with a protection structure.

[0004] The utility model is realized through the following technical solutions: A paper cutting device with a protection structure includes: a workbench, a mounting frame, and a protection plate. A device main body is provided at the rear side of the top of the workbench, a mounting frame is provided at the front side of the device main body, and a protection plate is provided inside the mounting frame;

[0005] The mounting frame is in a concave shape for connection and fixation. A set of mounting grooves one are respectively opened on the inner sides of the left and right sides of the mounting frame. A mounting groove two is opened below the mounting groove one. A set of unlocking buttons are respectively provided on the left and right sides of the front of the mounting frame, and a connecting rod is provided at the rear side of the unlocking button;

[0006] A receiving cavity is opened inside the mounting frame at the rear side of the connecting rod. A set of reset springs are respectively provided at the upper and lower positions inside the receiving cavity. A baffle is provided at the rear side of the two sets of reset springs. A locking rod is provided at the rear side of the baffle. A set of mounting strips are respectively provided on the left and right sides of the protection plate. A locking hole is opened above the front of the mounting strip. A paper outlet window is penetrated and provided on the front of the protection plate, and a paper guide plate is provided at the rear side of the paper outlet window.

[0007] As a preferred embodiment, the device body is a paper cutting device. There is a paper outlet on the front of the device body. The horizontal height of the paper outlet window is lower than that of the paper outlet. The front side of the paper guide board is fixed to the lower part of the rear side of the paper outlet window. The paper guide board is an inclined plane structure with a gradually increasing slope from front to back, and the rear side of the paper guide board is directly below the paper outlet.

[0008] As a preferred embodiment, a set of fixing pieces are provided on both the left and right sides of the installation frame. Fixing holes are formed on the upper surface of the workbench below the two sets of fixing pieces. The two sets of fixing pieces are connected and fixed to the workbench through two sets of fixing mechanisms.

[0009] As a preferred embodiment, both the installation frame and the paper guide board are made of stainless steel, the material of the protection board is acrylic, the width and height of the installation strip match the length and width of the first installation groove, and the length of the protection board matches the length of the second installation groove. During actual use, align the bottoms of the installation strips on both sides of the protection board with the tops of the two sets of first installation grooves and then insert them downward, so that the two sets of installation strips slide downward along the two sets of first installation grooves until the two sets of installation strips are completely fitted and connected with the two sets of first installation grooves. At this time, the bottom of the protection board is inside the second installation groove. Then release the two unlocking buttons, and the two reset springs rebound to drive the baffle plates to reset, thereby driving the two locking rods to move backward through the two baffle plates and respectively insert into the two locking holes, thus completing the installation and fixation of the protection board. The final effect is to facilitate the installation and disassembly of the protection board, thereby facilitating maintenance and use.

[0010] As a preferred embodiment, the interval length between the two locking holes is equal to the interval length between the two locking rods. The rear side of the locking rod is a spherical structure, and the shape of the rear side of the locking rod matches the shape of the locking hole.

[0011] As a preferred embodiment, the locking rod and the baffle plate are an integral structure. The center of the front surface of the baffle plate is fixed to the back surface of the connecting rod. The front surface of the connecting rod penetrates through the front surface of the installation frame forward and is fixed to the center of the back surface of the unlocking button.

[0012] As a preferred embodiment, the back surface of the baffle is fixedly connected to the front surfaces of two groups of return springs respectively, the back surfaces of the return springs are fixedly connected to the inner wall of the rear side of the accommodation cavity, a through hole is formed in the rear side of the accommodation cavity, the rear side of the locking rod passes through the through hole and extends into the rear side of the installation frame. During actual use, the cut paper enters the paper outlet on the front side of the device main body (the device main body is a prior art, and its model can be selected according to needs and will not be elaborated further), then the paper slides down along the paper outlet to the upper surface of the paper guide plate, and then slides forward along the inclined surface of the paper guide plate into the paper outlet window. The user can take out the cut paper through the paper outlet window. The final effect is to avoid the user's direct contact with the device main body, thereby reducing the risk of safety accidents. When the protection plate needs to be maintained, first, a person pulls the two unlocking buttons forward respectively according to the above steps, so that the two locking rods are disengaged from the two locking holes forward, thereby releasing the locking state between the protection plate and the installation frame. Then, another person holds the top of the protection plate and pulls it upward, so that the bottom of the protection plate is disengaged from the inside of the second installation groove upward, and at the same time, the two installation strips slide upward and disengage from the inside of the two first installation grooves, thereby removing the protection plate, which is convenient for installation and disassembly, and is convenient for maintenance and use.

[0013] After adopting the above technical solution, the beneficial effects of the present utility model are as follows: By providing the installation strip, the first installation groove, the second installation groove, the locking rod and the locking hole, the two installation strips can be slid downward along the two first installation grooves until the bottom of the protection plate is inserted downward into the second installation groove, thereby installing the protection plate on the installation frame. Then, through the fitting connection between the two locking rods and the two locking holes, the protection plate is fixedly connected to the installation frame. The paper slides into the paper outlet window through the guidance of the paper guide plate and is taken out through the paper outlet window. Thus, the user is isolated from the device main body by the protection plate to avoid safety accidents. By providing the return spring, the unlocking button, the connecting rod and the baffle, the baffle can be driven to move by pulling the unlocking button, so as to drive the locking rod to disengage from the locking hole, and then the locking relationship between the protection plate and the installation frame is released, which is convenient for installation and disassembly, and thus convenient for maintenance and use. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0015] Figure 1 It is a schematic diagram of a paper cutting device with a protection structure of the present utility model.

[0016] Figure 2This is a schematic structural diagram of the installation frame in a paper cutting device with a protection structure according to the present utility model.

[0017] Figure 3 This is a schematic structural diagram of the protection plate in a paper cutting device with a protection structure according to the present utility model.

[0018] Figure 4 This is a schematic internal structural diagram of the accommodation cavity in a paper cutting device with a protection structure according to the present utility model.

[0019] In the figure, 100 - device main body, 110 - workbench, 120 - installation frame, 130 - protection plate, 140 - fixing piece, 150 - first installation groove;

[0020] 160 - second installation groove, 170 - unlocking button, 180 - installation strip, 190 - locking hole, 200 - paper outlet window;

[0021] 210 - paper guiding plate, 220 - accommodation cavity, 230 - return spring, 240 - locking rod, 250 - connecting rod;

[0022] 260 - baffle. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only partial embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the scope of protection of the present utility model.

[0024] Please refer to Figures 1 to 4 : A paper cutting device with a protection structure, including: a workbench 110, an installation frame 120, and a protection plate 130. The device main body 100 is provided at the rear side of the top of the workbench 110, the installation frame 120 is provided at the front side of the device main body 100, and the protection plate 130 is provided inside the installation frame 120;

[0025] The installation frame 120 is in a concave shape for connection and fixation. A set of first installation grooves 150 are respectively opened on the inner sides of the left and right sides of the installation frame 120. A second installation groove 160 is opened below the first installation groove 150. A set of unlocking buttons 170 are respectively provided on the left and right sides of the front of the installation frame 120. A connecting rod 250 is provided at the rear side of the unlocking button 170;

[0026] Inside the mounting frame 120 at the rear side of the connecting rod 250, a receiving cavity 220 is provided. Inside the receiving cavity 220, a set of reset springs 230 are respectively provided at the upper and lower positions. At the rear side of the two sets of reset springs 230, there is a baffle 260. At the rear side of the baffle 260, there is a locking rod 240. On each of the left and right sides of the protection plate 130, there is a set of mounting strips 180. Above the front side of the mounting strip 180, a locking hole 190 is provided. A paper outlet window 200 runs through the front side of the protection plate 130. At the rear side of the paper outlet window 200, there is a paper guide plate 210.

[0027] The device main body 100 is a paper cutting device. At the front side of the device main body 100, there is a paper outlet. The horizontal height of the paper outlet window 200 is lower than the horizontal height of the paper outlet. The front side of the paper guide plate 210 is fixed to the lower part at the rear side of the paper outlet window 200. The paper guide plate 210 is an inclined plane structure with a gradually increasing slope from front to back. The rear side of the paper guide plate 210 is directly below the paper outlet.

[0028] On each of the left and right sides of the mounting frame 120, there is a set of fixing pieces 140. On the upper surface of the workbench 110 below the two sets of fixing pieces 140, fixing holes are provided. The two sets of fixing pieces 140 are connected and fixed to the workbench 110 through two sets of fixing mechanisms.

[0029] Both the mounting frame 120 and the paper guide plate 210 are made of stainless steel. The material of the protection plate 130 is acrylic. The width and height of the mounting strip 180 match the length and width of the first mounting groove 150. The length of the protection plate 130 matches the length of the second mounting groove 160. During actual use, align the bottoms of the mounting strips 180 on the left and right sides of the protection plate 130 with the tops of the two sets of first mounting grooves 150 and then insert them downward, so that the two sets of mounting strips 180 slide downward along the two sets of first mounting grooves 150 respectively until the two sets of mounting strips 180 are completely fitted and connected with the two sets of first mounting grooves 150. At this time, the bottom of the protection plate 130 is inside the second mounting groove 160. Then release the two unlocking buttons 170. The two sets of reset springs 230 rebound to drive the baffle 260 to reset, thereby driving the two locking rods 240 to move backward through the two baffles 260 and respectively insert into the two locking holes 190, thus completing the installation and fixation of the protection plate 130. The final effect is to facilitate the installation and disassembly of the protection plate 130, thereby facilitating maintenance and use.

[0030] The interval length between the two locking holes 190 is equal to the interval length between the two locking rods 240. The rear side of the locking rod 240 is a spherical structure. The shape of the rear side of the locking rod 240 matches the shape of the locking hole 190.

[0031] The locking rod 240 and the baffle 260 are of an integral structure. The center of the front side of the baffle 260 is fixed to the back side of the connecting rod 250. The front side of the connecting rod 250 penetrates forward through the front side of the mounting frame 120 and is fixed to the center of the back side of the unlocking button 170.

[0032] The back of the baffle 260 is fixedly connected to the front of two groups of return springs 230 respectively. The back of the return springs 230 is fixedly connected to the inner wall of the rear side of the accommodation cavity 220. A through hole is provided on the rear side of the accommodation cavity 220. The rear side of the locking rod 240 passes through the through hole and extends into the rear side of the installation frame 120. During actual use, the cut paper enters the paper outlet on the front side of the device main body 100 (the device main body 100 is a prior art, and its model can be selected according to needs and will not be elaborated). Then the paper slides down along the paper outlet to the upper surface of the paper guide plate 210, and then slides forward along the inclined surface of the paper guide plate 210 into the paper outlet window 200. The user can take out the cut paper through the paper outlet window 200. The final effect is to avoid direct contact between the user and the device main body 100, thereby reducing the risk of safety accidents. When the protection plate 130 needs to be maintained, first, a person pulls the two unlocking buttons 170 forward respectively according to the above steps, so that the two locking rods 240 are disengaged from the inside of the two locking holes 190 forward, thereby releasing the locking state of the protection plate 130 and the installation frame 120. Then another person holds the top of the protection plate 130 and pulls it upward, so that the bottom of the protection plate 130 is disengaged from the inside of the second installation groove 160 upward, and at the same time, the two installation strips 180 slide upward and disengage from the inside of the two first installation grooves 150, so as to remove the protection plate 130, which is convenient for installation and disassembly, and convenient for maintenance and use.

[0033] Embodiment 1: Please refer to Figures 1 to 4 , during actual use, first, the two fixing pieces 140 are fixedly connected to the upper surface of the workbench 110 through two groups of fixing mechanisms, so as to fix the installation frame 120 on the upper surface of the workbench 110. Then a person pulls the two unlocking buttons 170 forward respectively, so that the unlocking buttons 170 drive the baffle 260 to move forward inside the accommodation cavity 220 through the connecting rod 250. At this time, the baffle 260 stretches the two groups of return springs 230 forward and makes the two groups of return springs 230 stretch and store energy. The forward movement of the baffle 260 drives the locking rod 240 to move into the accommodation cavity 220, so as to prevent the two locking rods 240 from hindering the installation of the protection plate 130 when installing the protection plate 130;

[0034] Then another person picks up the protection plate 130, aligns the bottoms of the installation strips 180 on the left and right sides of the protection plate 130 with the tops of the two first installation grooves 150 and then inserts them downward, so that the two installation strips 180 slide downward along the two first installation grooves 150 respectively until the two installation strips 180 are completely fitted and connected with the two first installation grooves 150. At this time, the bottom of the protection plate 130 is inside the second installation groove 160. Then release the two unlocking buttons 170, and the two groups of return springs 230 rebound to drive the baffle 260 to reset, so as to drive the two locking rods 240 to move backward through the two baffles 260 and insert them into the two locking holes 190 respectively, so as to complete the installation and fixation of the protection plate 130. The final effect is that it is convenient to install and disassemble the protection plate 130, so as to facilitate maintenance and use.

[0035] Embodiment 2: Please refer to Figures 1 to 4 , after the protective plate 130 is installed, the cut paper enters the paper outlet on the front side of the device main body 100 (the device main body 100 is a prior art, and its model can be selected according to needs and will not be elaborated), and then the paper slides down along the paper outlet to the upper surface of the paper guide plate 210, and then slides forward along the inclined surface of the paper guide plate 210 into the paper outlet window 200. The user can take out the cut paper at the paper outlet window 200. The final effect is to prevent the user from directly contacting the device main body 100, thereby reducing the risk of safety accidents. When the protective plate 130 needs to be maintained, first, one person pulls the two unlocking buttons 170 forward respectively according to the above steps, so that the two locking rods 240 are disengaged from the inside of the two locking holes 190 forward, thereby releasing the locking state of the protective plate 130 and the installation frame 120. Then, another person holds the top of the protective plate 130 and pulls it upward, so that the bottom of the protective plate 130 is disengaged from the inside of the second installation groove 160 upward, and at the same time, the two installation strips 180 slide upward and disengage from the inside of the two first installation grooves 150, thereby removing the protective plate 130, which is convenient for installation and disassembly, and convenient for maintenance and use.

[0036] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A paper cutting device with a protective structure, comprising: A workbench (110), a mounting frame (120) and a protective plate (130), characterized in that: a device body (100) is provided at the top rear side of the workbench (110), a mounting frame (120) is provided at the front side of the device body (100), and a protective plate (130) is provided inside the mounting frame (120); The installation frame (120) is concavely connected, a group of installation grooves (150) are provided on the inner sides of the left and right sides of the installation frame (120), a second installation groove (160) is provided below the first installation groove (150), a group of unlocking buttons (170) are provided on the left and right sides of the front of the installation frame (120), and a connecting rod (250) is provided on the rear side of the unlocking button (170); An accommodating cavity (220) is provided inside the mounting frame (120) at the rear side of the connecting rod (250), a group of return springs (230) are respectively provided at the upper and lower positions inside the accommodating cavity (220), a baffle (260) is provided at the rear side of the two groups of return springs (230), a locking rod (240) is provided at the rear side of the baffle (260), a group of mounting strips (180) are respectively provided at the left and right sides of the protective plate (130), a locking hole (190) is provided at the upper front of the mounting strips (180), a paper outlet window (200) is provided through the front side of the protective plate (130), and a paper guide paper (210) is provided at the rear side of the paper outlet window (200).

2. A paper cutting device with a protective structure as claimed in claim 1, characterized in that: The device body (100) is a paper cutting device. A paper outlet is provided on the front of the device body (100). The horizontal height of the paper outlet window (200) is lower than the horizontal height of the paper outlet. The front side of the paper guide (210) is fixed to the lower rear side of the paper outlet window (200). The paper guide (210) is a slope structure with a gradually increasing slope from front to back. The rear side of the paper guide (210) is located directly below the paper outlet.

3. A paper cutting device with a protective structure as claimed in claim 1, characterized in that: A group of fixing plates (140) are provided on both left and right sides of the installation frame (120); fixing holes are provided on the upper surface of the workbench (110) below the two groups of fixing plates (140); and the two groups of fixing plates (140) are connected and fixed to the workbench (110) via two groups of fixing mechanisms.

4. A paper cutting device with a protective structure as claimed in claim 1, characterized in that: The installation frame (120) and the paper guide (210) are both made of stainless steel, the protection plate (130) is made of acrylic, the width and height of the installation strip (180) match the length and width of the first installation slot (150), and the length of the protection plate (130) matches the length of the second installation slot (160).

5. A paper cutting device with a protective structure as claimed in claim 1, characterized in that: The interval length between the two groups of locking holes (190) is equal to the interval length between the two groups of locking rods (240), the rear side of the locking rod (240) is a spherical structure, and the shape of the rear side of the locking rod (240) matches the shape of the locking hole (190).

6. A paper cutting device with a protective structure as claimed in claim 5, characterized in that: The locking rod (240) and the baffle (260) are an integrated structure; the front center of the baffle (260) is fixed to the back of the connecting rod (250); the front of the connecting rod (250) extends forward through the front of the installation frame (120) and is fixed to the back center of the unlocking button (170).

7. A paper cutting device with a protective structure as claimed in claim 6, characterized in that: The back side of the baffle (260) is respectively fixed to the front sides of the two groups of return springs (230), and the back side of the return spring (230) is fixed to the inner wall of the rear side of the accommodating cavity (220). A through hole is provided on the rear side of the accommodating cavity (220), and the rear side of the locking rod (240) passes through the through hole and extends into the rear side of the installation frame (120).