Cutting bed with adjustable cutting size

By designing an adjustable cutting bed and employing positioning and stabilization mechanisms, the problems of time-consuming foam fixing and edge curling were solved, achieving fast and precise cutting results.

CN223589544UActive Publication Date: 2025-11-25SHENZHEN HENGKUNTAI PRECISION DIE CUTTING TECH CO LTD
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Patent Information

Application Number
CN202423137871.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-11-25
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

In existing technologies, the foam takes a long time to fix, is inconvenient to position, and is prone to curling during cutting, resulting in inaccurate dimensions.

Method used

An adjustable cutting bed was designed, employing a positioning mechanism and a stabilizing mechanism. Through a combination of slide bars, clamps, sleeves, and springs, it achieves rapid positioning of the foam and flattening of the cutting points, preventing curling edges.

Benefits of technology

It enables rapid positioning and precise cutting of foam, prevents edge curling, and improves the accuracy of cutting dimensions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of foam processing, and discloses a cutting bed with adjustable cutting size, which comprises a workbench, two slide bars and a tool apron, fixed plates are arranged on one side of each of the front end face and the rear end face of the workbench in a sliding manner, positioning mechanisms are arranged on the inner walls of the two fixed plates in a sliding manner, and each positioning mechanism comprises a shell. Two clamping plates are slidably arranged in the shell, a double-thread screw is rotatably arranged at the center of the rear end face of the inner wall of the shell, sliding blocks are fixedly arranged at the centers of the front end face and the rear end face of the outer wall of the shell correspondingly, second springs are fixedly arranged at the centers of the upper end faces of the two sliding blocks correspondingly, and stabilizing mechanisms are arranged on the two sides of the tool apron correspondingly. The two stabilizing mechanisms each comprise a sleeve plate. According to the foam cutting device, foam of different sizes can be conveniently and rapidly positioned, meanwhile, the two sides of a cutting point can be rolled to be flat in the cutting process, and the edge warping phenomenon is prevented.
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Description

Technical Field

[0001] This utility model relates to the field of foam processing, and in particular to a cutting bed with adjustable cutting size. Background Technology

[0002] Foam is a new type of environmentally friendly packaging material. It is made of low-density polyethylene resin through physical foaming to produce countless independent air bubbles. It overcomes the shortcomings of ordinary foam, such as fragility, deformation, and poor resilience. It has many advantages such as water and moisture resistance, shock resistance, sound insulation, heat insulation, good plasticity, high toughness, recyclability, environmental protection, and strong impact resistance. It also has good chemical resistance. It is an ideal substitute for traditional packaging materials. In the processing of foam, a cutting machine is needed to cut the foam board.

[0003] In the process of developing this application, the inventors discovered the following problems with the prior art:

[0004] In existing technologies, due to the lack of convenient and quick positioning mechanisms, a lot of time is wasted in the fixing process of foam of different sizes, which affects the cutting progress. Furthermore, when the blade and the foam come into contact for cutting, the downward pressure of the blade causes the foam to curl up at the edges, which can easily lead to inaccurate foam size data after subsequent cutting.

[0005] Therefore, those skilled in the art have provided a cutting bed with adjustable cutting dimensions to solve the problems mentioned in the background art. Utility Model Content

[0006] The purpose of this invention is to address the shortcomings of existing technologies by proposing a cutting bed with adjustable cutting dimensions. This bed can conveniently and quickly position foam of different sizes, and can also flatten both sides of the cutting point during the cutting process to prevent curling.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A cutting bed with adjustable cutting size includes a worktable, two slide bars and a knife holder. Fixed plates are slidably arranged on one side of the front and rear end faces of the worktable. Positioning mechanisms are slidably arranged on the inner walls of the two fixed plates. The positioning mechanism includes a housing. Two clamping plates are slidably arranged inside the housing. A double-headed screw is rotatably arranged at the center of the rear end face of the inner wall of the housing. Sliding blocks are fixedly arranged at the centers of the front and rear end faces of the outer wall of the housing. A second spring is fixedly arranged at the center of the upper end face of the two sliding blocks.

[0009] Both sides of the tool holder are provided with stabilizing mechanisms. Both stabilizing mechanisms include a sleeve plate. A No. 3 telescopic rod is hinged at the center of the front and rear ends of the upper end of the outer wall of both sleeve plates. A No. 3 spring is movably sleeved on the outer wall of the four No. 3 telescopic rods. An insert plate is embedded inside the two sleeve plates. A No. 2 telescopic rod is fixedly installed on one side of the front and rear ends of the upper end of the two insert plates.

[0010] Furthermore, the two sliding blocks are respectively slidably engaged with the inner walls of the two fixed plates, and the two second springs are respectively fixedly connected to the upper end faces of the inner walls of the two fixed plates.

[0011] Furthermore, the upper ends of the two No. 3 telescopic rods located on the same side of the four No. 3 telescopic rods are hinged to one side of the tool holder, and the upper ends of the two No. 2 telescopic rods located on the same side of the four No. 2 telescopic rods are fixedly connected to one side of the tool holder.

[0012] Furthermore, the two slide rods are respectively fixedly installed on one side of the front and rear end faces of the worktable, and the two slide rods slide through the center of the lower end of one side of the two fixed plates.

[0013] Furthermore, a telescopic rod is fixedly installed at the lower end of the front and rear end faces of the worktable on the side near the tool holder. A spring is movably sleeved on the outer wall of each of the two telescopic rods. The upper ends of the two telescopic rods and the two springs are fixedly connected to the lower end face of the tool holder.

[0014] Furthermore, scale lines are fixedly provided on the outer walls of both slide rods, and a cutting blade is fixedly provided at the center of the lower end face of the blade holder.

[0015] Furthermore, the front end of the double-ended screw rotates through the center of the rear end face of the frontmost of the two sliding blocks.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model proposes a cutting bed with adjustable cutting size. Pull the outer shell upward, then pass the foam through the gap between the outer shell and the upper surface of the worktable. Then, rotate the double-headed screw to drive the two clamping plates to move in opposite directions to clamp the foam. Then, push the positioning mechanism to the side of the cutter holder and select the appropriate cutting size through the scale line on the slide rod. Then, release the handle so that the outer shell presses down on the foam under the action of two No. 2 springs to fix it, thereby achieving the effect of fixing the position of foam of different sizes.

[0018] 2. This utility model proposes a cutting bed with adjustable cutting dimensions. Pressing down the blade holder causes two sleeve plates to adhere to the upper surface of the foam. Continuing to press causes four No. 3 telescopic rods to rotate and retract, thus putting the four No. 3 springs in a contracted and stressed state. This allows for a tighter fit between the sleeve plates and the foam while simultaneously causing the two sleeve plates to move away from each other. At the same time, four No. 2 telescopic rods and two inserts fix the angle of the sleeve plates to prevent them from flipping. Furthermore, the two sleeve plates can achieve a flattening effect on both sides of the foam cutting point, preventing the foam from being squeezed during cutting, which could cause curling and affect the accuracy of subsequent foam cutting dimensions. Attached Figure Description

[0019] Figure 1 This is an isometric schematic diagram of the present invention;

[0020] Figure 2 This is a front view schematic diagram of the stabilizing mechanism of this utility model;

[0021] Figure 3 This is a side sectional view of the outer shell of this utility model;

[0022] Figure 4 This is a side sectional view of the two fixing plates of this utility model.

[0023] Legend:

[0024] 1. Workbench; 2. Positioning mechanism; 3. Fixing plate; 4. Slide rod; 5. Spring No. 1; 6. Telescopic rod No. 1; 7. Tool holder; 8. Stabilizing mechanism; 201. Clamping plate; 202. Double-ended screw; 203. Housing; 204. Sliding block; 205. Spring No. 2; 801. Sleeve plate; 802. Telescopic rod No. 2; 803. Insert plate; 804. Telescopic rod No. 3; 805. Spring No. 3. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Reference Figures 1 to 4 One embodiment provided by this utility model:

[0027] A cutting bed with adjustable cutting size includes a worktable 1, two slide bars 4 and a knife holder 7. Fixed plates 3 are slidably arranged on one side of the front and rear end faces of the worktable 1. Positioning mechanisms 2 are slidably arranged on the inner walls of the two fixed plates 3. The positioning mechanism 2 includes a housing 203. Two clamping plates 201 are slidably arranged inside the housing 203. A double-headed screw 202 is rotatably arranged at the center of the rear end face of the inner wall of the housing 203. Sliding blocks 204 are fixedly arranged at the center of the front and rear end faces of the outer wall of the housing 203. A second spring 205 is fixedly arranged at the center of the upper end face of the two sliding blocks 204.

[0028] Both sides of the tool holder 7 are provided with stabilizing mechanisms 8. Both stabilizing mechanisms 8 include a sleeve plate 801. The upper front and rear ends of the outer wall of the two sleeve plates 801 are hinged with a third telescopic rod 804. The outer walls of the four third telescopic rods 804 are movably sleeved with a third spring 805. The two sleeve plates 801 are embedded with a panel 803. The upper front and rear ends of the two panels 803 are fixedly provided with a second telescopic rod 802 on one side.

[0029] Specifically, the fixed plate 3 can drive the positioning mechanism 2 to slide, which makes it easy to adjust the position of the foam and fix the position of the foam through the positioning mechanism 2. After the foam is moved and fixed to the required position, the blade holder 7 is pressed down to cut the foam. During the cutting process, the two stabilizing mechanisms 8 can flatten the two sides of the foam cutting point to prevent the edges from being squeezed and curled during cutting, thus affecting the accuracy of the subsequent foam cutting dimensions.

[0030] Reference Figure 1 , Figure 3 , Figure 4 Two sliding blocks 204 are respectively slidably snapped onto the inner walls of the two fixed plates 3, and two second springs 205 are respectively fixedly connected to the upper end face of the inner wall of the two fixed plates 3.

[0031] Specifically, the second spring 205 pushes the sliding block 204 to move the outer shell 203 downward to squeeze the foam, thereby achieving an auxiliary fixing effect on the position of the foam, making it easier to control the cutting size of the foam more accurately.

[0032] Reference Figure 1 , Figure 2 Of the four No. 3 telescopic rods 804, the upper ends of the two No. 3 telescopic rods 804 located on the same side are hinged to one side of the tool holder 7, and the upper ends of the two No. 2 telescopic rods 802 located on the same side are fixedly connected to one side of the tool holder 7.

[0033] Specifically, the third telescopic rod 804 is hinged to the cutter holder 7, so that the cutter holder 7 can drive the third telescopic rod 804 to rotate during the downward movement. The second telescopic rod 802 can fix the angle of the sleeve plate 801, preventing the sleeve plate 801 from rotating and losing friction with the foam.

[0034] Reference Figure 1 Two slide rods 4 are fixedly installed on one side of the front and rear end faces of the workbench 1, and the two slide rods 4 slide through the center of the lower end of one side of the two fixed plates 3.

[0035] Specifically, the slide bar 4 facilitates the sliding adjustment of the two fixed plates 3, thereby enabling the positioning mechanism 2 to move through the two fixed plates 3, thus achieving the adjustment and fixing effect of the foam position.

[0036] Reference Figure 1 , Figure 2 A telescopic rod 6 is fixedly installed on the lower end of the front and rear end faces of the worktable 1 near the tool holder 7. A spring 5 is movably sleeved on the outer wall of each of the two telescopic rods 6. The upper ends of the two telescopic rods 6 and the two springs 5 ​​are fixedly connected to the lower end face of the tool holder 7.

[0037] Specifically, the design of the first telescopic rod 6 and the first spring 5 achieves the effect of fixing the position of the blade holder 7 without affecting the downward cutting action of the blade holder 7.

[0038] Reference Figure 1 Both slide bars 4 have scale lines fixedly installed on their outer walls, and a cutting knife is fixedly installed at the center of the lower end face of the knife holder 7.

[0039] Specifically, the scale lines on the outer wall of the slide bar 4 make it easy to determine the cutting size, and make it easy to cut the foam with the cutting blade at the lower end of the blade holder 7.

[0040] Reference Figure 3 , Figure 4 The front end of the double-headed screw 202 rotates and passes through the center of the rear end face of the front sliding block 204 among the two sliding blocks 204.

[0041] Specifically, the double-ended screw 202 rotates through the sliding block 204 located at the front end, which facilitates the rotation of the double-ended screw 202 to achieve the effect of adjusting the distance between the two clamping plates 201.

[0042] Working principle: Lift the outer shell 203 and place the foam on the worktable 1 through the lower end of the outer shell 203. Then, release the outer shell 203 so that the foam is squeezed downward under the action of the second spring 205. Then, rotate the double-headed screw 202 to drive the two clamping plates 201 to move in opposite directions to achieve the clamping effect on the foam. Then, lift the outer shell 203 and the foam upward and pull the outer shell 203 to drive the two fixing plates 3 to slide on the outer wall of the two slide rods 4 respectively. The cutting size is determined by the scale line on the outer wall of the slide rod 4. Then, release the outer shell 203 to position the foam.

[0043] Next, press the blade holder 7 to move it downwards, thereby driving the four telescopic rods 804 to rotate and causing the spring 805 to contract and exert force. This pushes the two sleeves 801 to move in opposite directions. The rotation angle of the sleeves 801 is fixed by the telescopic rod 802 and the insert 803 to prevent them from losing friction with the foam surface. This allows the sides of the foam cutting point to be flattened, preventing the cutting blade from squeezing the foam during cutting and causing curling on both sides, thus preventing the accuracy of subsequent cutting dimensions from being affected.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A cutting bed with adjustable cutting size, comprising a worktable (1), two slide bars (4) and a knife holder (7), characterized in that: The workbench (1) has a fixed plate (3) slidably installed on one side of both the front and rear ends. The inner walls of the two fixed plates (3) are slidably equipped with a positioning mechanism (2). The positioning mechanism (2) includes a housing (203). The housing (203) has two clamping plates (201) slidably installed inside. The center of the rear end face of the inner wall of the housing (203) is rotatably equipped with a double-headed screw (202). The center of both the front and rear ends of the outer wall of the housing (203) is fixedly equipped with a sliding block (204). The center of the upper end face of the two sliding blocks (204) is fixedly equipped with a second spring (205). Both sides of the tool holder (7) are provided with stabilizing mechanisms (8). Both stabilizing mechanisms (8) include a sleeve plate (801). The upper front and rear ends of the outer wall of the two sleeve plates (801) are hinged with a No. 3 telescopic rod (804). The outer walls of the four No. 3 telescopic rods (804) are movably sleeved with a No. 3 spring (805). The two sleeve plates (801) are embedded with a panel (803). The upper front and rear ends of the two panels (803) are fixedly provided with a No. 2 telescopic rod (802) on one side.

2. The cutting bed with adjustable cutting size according to claim 1, characterized in that: The two sliding blocks (204) are respectively slidably snapped onto the inner walls of the two fixed plates (3), and the two second springs (205) are respectively fixedly connected to the upper end face of the inner wall of the two fixed plates (3).

3. The cutting bed with adjustable cutting size according to claim 1, characterized in that: The upper ends of the two telescopic rods (804) on the same side of the four telescopic rods (804) are hinged to one side of the tool holder (7), and the upper ends of the two telescopic rods (802) on the same side of the four telescopic rods (802) are fixedly connected to one side of the tool holder (7).

4. The cutting bed with adjustable cutting size according to claim 1, characterized in that: The two slide rods (4) are fixedly installed on one side of the front and rear end faces of the workbench (1), and the two slide rods (4) slide through the center of the lower end of one side of the two fixed plates (3).

5. A cutting bed with adjustable cutting size according to claim 1, characterized in that: The workbench (1) has a telescopic rod (6) fixedly installed on the lower end of the side of the front and rear end faces near the tool holder (7). The outer walls of the two telescopic rods (6) are movably sleeved with springs (5). The upper ends of the two telescopic rods (6) and the two springs (5) are fixedly connected to the lower end face of the tool holder (7).

6. A cutting bed with adjustable cutting size according to claim 1, characterized in that: Both slide bars (4) have scale lines fixedly installed on their outer walls, and a cutting knife is fixedly installed at the center of the lower end face of the knife holder (7).

7. A cutting bed with adjustable cutting size according to claim 1, characterized in that: The front end of the double-headed screw (202) rotates through the center of the rear end face of the front sliding block (204) of the two sliding blocks (204).