Positioning case opening cutter module capable of pressing case body and having elastic buffer

Abstract

A positioning and opening tool module for a box with a clamping mechanism and elastic cushioning includes a fixed base and cutting tool assemblies mounted on the fixed sides. Each cutting tool assembly has a guide plate that can move back and forth relative to the fixed base. Each guide plate extends a guide ramp on the same side, and a cutting tool is located at the lower end of the guide plate. The fixed base is driven to move towards the box, so that the guide ramp of one of the cutting tool assemblies touches the corner of the box and moves in a preset direction. The box applies force to the guide ramp, pushing the guide plate backward until it is in close contact with the box, ensuring that the guide plate firmly presses against the box. The fixed base moves around the box as the center, causing the cutting tool assemblies on different sides to sequentially cut the box with the cutting tool, separating the upper and lower parts of the box. This eliminates the need to rotate the cutting tool assemblies, reduces adjustment steps, and improves cutting efficiency.

Description

Technical Field

[0001] This utility model relates to a box-opening device, and in particular to a positioning box-opening tool module that can clamp the box body and has elastic buffer. Background Technology

[0002] The logistics, wholesale, warehousing, and manufacturing industries handle large volumes of goods daily, primarily packaged in cardboard boxes. These boxes often need to be unpacked before further processing. Traditional unpacking methods involve manually cutting the sealing tape with a utility knife, then opening the box to retrieve the contents. This is time-consuming, labor-intensive, and inefficient. Furthermore, manual unpacking carries risks of worker injury from the knife and damage to the contents due to improper handling.

[0003] The industry has developed automated equipment to replace manual unpacking, improving unpacking efficiency and reducing labor costs. Existing automated equipment uses imaging devices to identify the tape area and algorithms to calculate the optimal cutting position before cutting. However, such automated equipment has high manufacturing and maintenance costs.

[0004] If a box-cutting method is used for opening boxes, such as the automatic box-cutting machine disclosed in Taiwan Patent No. 392563, which uses two automatic box-cutting machines arranged in series perpendicular to each other to cut the same box, this structure has a large machine size and requires a lot of space. Furthermore, the blade assembly is driven by a motor to rotate a saw blade for cutting, relying solely on the motor to control the direction and distance of travel, making it impossible to confirm the distance between the carton and the blade. This results in the blade not being able to accurately cut the carton during cutting, easily leading to missed cuts and reduced work efficiency. When cutting the third or fourth side of the box, the lack of a structure to stabilize the box causes it to bounce, resulting in the blade being skewed during cutting and making cutting difficult.

[0005] Therefore, how to improve the above-mentioned problems is the primary issue that this utility model aims to solve. Utility Model Content

[0006] The main purpose of this utility model is to provide a positioning and opening tool module that can clamp the box and has elastic buffer. It has a positioning tool cutting position to ensure that the tool can cut the box. It can complete the cutting of the four sides of the box without rotating the box, so that the upper and lower parts of the box are separated and the cutting efficiency of the box is improved.

[0007] To achieve the aforementioned objectives, the present invention adopts the following technical solution:

[0008] A positioning and opening tool module that can clamp the box and has elastic cushioning, comprising:

[0009] A fixed base having at least four sides;

[0010] At least four cutting blade sets are correspondingly arranged on the sides. Each cutting blade set has a mounting base on the side. Each mounting base is connected to a guide plate by an elastic buffer, so that each guide plate can move back and forth relative to the fixed base. Each cutting blade set has a guide slope extending from the same side towards the fixed base. A cutting tool is arranged at the lower end of each guide plate for cutting the box body.

[0011] The fixed base is driven by the outside to move to the box body. The cutting blade assembly facing the side wall of the box body touches one corner of the box body with the guide slope. The fixed base moves in a preset direction, so that the box body applies force to the guide slope and slides along the guide slope, thereby pushing the guide plate backward to compress the elastic buffer. When the guide plate moves backward to a predetermined stroke, the box body slides to fit against the guide plate. The fixed base moves in the preset direction with the box body as the center, so that the cutting blade assembly located on different sides sequentially cuts the four sides of the box body with the blades, so that the upper and lower parts of the box body are separated.

[0012] Preferably, the elastic buffer includes a bearing seat and two sliding rods. The bearing seat is assembled at the bottom of the mounting base. Each sliding rod has one end fixedly connected to the guide plate and the other end movably passing through the bearing seat. A spring is sleeved on the sliding rod located between the guide plate and the bearing seat. The spring is compressed by the push of the guide plate.

[0013] Preferably, it also includes a positioning sensor, which is disposed on the bearing and located behind the guide plate, for sensing whether the guide plate has moved backward to a predetermined stroke.

[0014] Preferably, the mounting base is provided with a light occlusion sensor corresponding to the rear end of each of the cutting tools, and a baffle is provided at the rear end of each cutting tool corresponding to the light occlusion sensor. The position of the baffle is sensed by the light occlusion sensor to determine whether the guide plate moves backward beyond the predetermined stroke.

[0015] Preferably, each guide plate is provided with a pressing and positioning assembly at its top. The pressing and positioning assembly has an assembly plate assembled on the top of the guide plate. The assembly plate includes at least one roller extending outward for pressing against the top surface of the housing.

[0016] Preferably, each of the cutting tools includes a tool holder and a pressure plate, with a cutting blade sandwiched between the tool holder and the pressure plate. The cutting blade has at least one mounting hole for locking onto the tool holder.

[0017] Preferably, the blade has four cutting edges facing opposite directions.

[0018] Compared with existing technologies, this utility model has significant advantages and beneficial effects. Specifically, as can be seen from the above technical solution, it mainly involves extending a guide slope on the same side of each guide plate. The guide slope first contacts the side corner and pushes the guide plate backward to reach a predetermined stroke, ensuring that the box body is firmly pressed into place, allowing the box body to slide along the guide slope until it is in close contact with the guide plate. During the cutting process, an elastic buffer pushes the guide plate against the side wall of the box body, maintaining a fixed compression distance, thus keeping the position between the blade and the box body relatively fixed during the cutting process, ensuring a solid cut and effectively avoiding empty cuts. A light-blocking sensor is also provided to prevent excessive pressing that could cause deformation of the box body. Furthermore, each side of the fixing base is equipped with a cutting blade assembly. Moving the fixing base along a preset direction with the box body as the center allows the cutting blade assemblies on different sides to sequentially cut the four side walls of the box body. Different blade orientations can be switched to complete the box body cutting without rotating the fixing base, thus increasing the cutting speed.

[0019] The above-mentioned objectives and advantages of this utility model can be readily understood from the following detailed description and accompanying drawings of the selected embodiments. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0021] Figure 2 This is a partially exploded structural diagram of the present invention.

[0022] Figure 3 This is a side sectional view of the initial state of the cutting blade assembly of this utility model.

[0023] Figure 4 This is a side sectional view of the cutting blade assembly of this utility model in the cutting state.

[0024] Figure 5 This is a side sectional view of the cutting blade assembly of this utility model in an over-pressed state.

[0025] Figure 6 This is a schematic diagram of the usage state of this utility model. Detailed Implementation

[0026] Please see Figure 1 and Figure 2 This is a preferred embodiment of the positioning and opening tool module that can clamp the box and has elastic cushioning provided by the present invention. It mainly has a fixed base 100 and at least four cutting tool sets 200, wherein:

[0027] The mounting base 100 has at least four sides 1, and a cutting blade assembly 200 is arranged on each side 1. In this embodiment, the mounting base 100 has four sides 1, and a cutting blade assembly 200 is arranged on each side 1. The mounting base 100 can be driven to move by an external device (not shown in the figure). The external device can be a robotic arm or other driving device with the same driving function, and this utility model is not limited thereto.

[0028] Each of the cutting blade assemblies 200 has a mounting base 2 located on the side 1. Each mounting base 2 is connected to a guide plate 4 by an elastic buffer 3, allowing each guide plate 4 to move back and forth relative to the fixed base 100. Each guide plate 4 extends a guide slope 41 inclined towards the fixed base 100 from the same side, and a cutting tool 5 for cutting the box is mounted at the lower end of the guide plate 4.

[0029] When the fixed base 100 is moved to a housing 300 by an external drive, the cutting blade assembly 200 facing the side wall of the housing 300 touches one corner of the housing 300 with the guide ramp 41. The fixed base 100 moves in a preset direction around the housing 300, where the preset direction is clockwise or counterclockwise. In this embodiment, the fixed base 100 moves clockwise around the housing 300, causing the housing 300 to apply force to the guide ramp 41 and slide along the guide ramp 41, thereby pushing the guide plate 4 backward to compress the elastic buffer 3. The elastic buffer 3 includes a bearing 31 and two sliding rods 32. The bearing 31 is assembled at the bottom of the mounting base 2. Each sliding rod 32 has one end fixedly connected to the guide plate 4, and the other end movably passes through the bearing 31. A spring 33 is sleeved on the sliding rod 32 located between the guide plate 4 and the bearing 31. When the guide plate 4 is pushed backward, it compresses the spring 33. The elastic restoring force of the spring 33 buffers the pushing force of the box 300 on the tool 5 on the one hand, and keeps the guide plate 4 in contact with the box 300 on the other hand, thus stabilizing the relative distance between the tool 5 and the box 300 during the cutting process.

[0030] Further, please refer to Figure 2 and Figure 3 As shown, the bearing 31 is also equipped with a positioning sensor 34, which is located behind the guide plate 4. When the guide plate 4 triggers the positioning sensor 34, it means that the guide plate 4 has moved backward to the preset stroke and has pressed the housing 300 into place. At this time, the guide plate 4 is in contact with the housing 300. The fixing seat 100 continues to move in the preset direction, so that the tool 5 can cut the side wall of the housing 300.

[0031] To prevent excessive pressure from the guide plate 4 on the housing 300, which could cause deformation, a light-blocking sensor 6 is provided on the fixing base 100 corresponding to the rear end of the cutter 5, and a baffle 61 is provided on the rear end of the cutter 5 corresponding to the light-blocking sensor 6. When the guide plate 4 is moved backward by the force applied by the housing 300, the baffle 61 moves backward along with it. Figure 4 As shown, when the guide plate 4 moves backward to the preset stroke and triggers the positioning sensor 34, the baffle 61 does not trigger the light blocking sensor 6, and at this time it is in a normal cutting state. Figure 5 As shown, if the guide plate 4 moves further backward beyond the predetermined stroke due to the force applied by the box 300, the baffle 61 triggers the light blocking sensor 6. At this time, the box is over-pressed, and the moving cutter 5 stops cutting the box 300 to avoid damaging the contents.

[0032] Please continue reading from the above. Figure 1 and Figure 2 As shown, each guide plate 4 is also provided with a pressing and positioning component 7 at its top. The pressing and positioning component 7 has a set of assembly plates 71 disposed on the top of the guide plate 4. The assembly plate 71 includes at least one outwardly extending roller 72. In this embodiment, the assembly plate 71 is provided with two rollers 72. When the guide plate 4 moves backward to reach a predetermined stroke, the box body 300 slides to the side wall and fits against the guide plate 4. At this time, the two rollers 72 of the pressing and positioning component 7 press against the top surface of the box body 300 to prevent the upper part of the box body 300 from jumping during cutting and causing the cut to be skewed or serrated.

[0033] Furthermore, the cutting tool 5 includes a tool holder 51 and a pressure plate 52. A blade 53 is sandwiched between the tool holder 51 and the pressure plate 52. The blade 53 has at least one mounting hole 531, through which the blade 53 is positioned and locked in place on the tool holder 51. During installation, human error will prevent the blade 53 from extending unevenly. Notably, the blade 53 has four blade portions 532 with different orientations. When changing blades, only the orientation of the blade 53 needs to be changed to utilize another blade portion 532, achieving the effect of reusing the same blade 53 and reducing blade wear.

[0034] When the present invention, composed of the above-mentioned components, is actually used, such as Figure 6 As shown and combined Figures 1 to 4 The labeling explanation is as follows, for practical application:

[0035] like Figure 6As shown, the fixing base 100 moves to a housing 300, and the cutting blade assembly 200a facing the side wall of the housing 300 contacts the side corner of the housing 300 with the guide ramp 41. The fixing base 100 moves clockwise around the housing 300, causing the housing 300 to apply force to the guide ramp 41 and slide along the guide ramp 41, thereby pushing the guide plate 4 backward to compress the spring 33. When the positioning sensor 34 senses that the guide plate 4 has moved backward to a predetermined stroke, the housing 300 slides to be in contact with the guide plate 4, and the roller 72 of the pressing positioning assembly 7 presses against the top surface of the housing 300. At this time, the cutting blade assembly 200a has been firmly pressed into place and can cut the housing 300.

[0036] The fixed base 100 continues to move clockwise, and the blade 53 of the cutter 5 cuts the side wall of the box 300. After completing one side wall of the box 300, the fixed base 100 continues to move clockwise to the side corner adjacent to the other side wall. At this time, the fixed base 100 faces the side wall of the box 300 with the cutting blade group 200b on the other side, and touches the side corner again with the guide slope 41. Repeating the above steps completes the cutting of the other side wall of the box 300. It can be seen that by moving the fixed base 100 around the box 300 in a preset direction (clockwise or counterclockwise), the cutting blade groups 200a, 200b, 200c, and 200d on different sides can sequentially cut the four side walls of the box with the cutter 5, separating the upper and lower parts of the box 300 without rotating the fixed base, reducing the tool positioning and rotation time, and increasing the cutting speed.

[0037] In summary, the positioning and opening tool module with elastic cushioning that can clamp the box body provided by this utility model can achieve the following improvements:

[0038] First, ensure that the box is cut properly; this utility model uses a positioning sensor to sense the backward movement of the guide plate to ensure that the guide plate presses the box into place, and uses a light shading sensor to further sense whether the backward movement of the guide plate exceeds the predetermined stroke, so as to avoid the box being over-pressed and deformed, which would affect the cutting effect.

[0039] Secondly, it improves the cutting speed. This utility model sets at least four cutting blade groups on the fixed base. By changing the relative surface of the fixed base to the box body as it moves along the outer periphery of the box, the cutting blade groups located on different sides can complete the cutting of the side wall of the box body. Compared with the traditional single-sided cutting blade group structure, it is not necessary to rotate the fixed base to reposition the relative position between the cutting blade group and the box body, reducing the time and position of repeated positioning and improving the cutting speed.

[0040] Third, the cutting is stable; each cutting blade assembly of this utility model is equipped with a positioning and pressing assembly. During cutting, the guide plate adheres to the side wall of the box from the side, and the positioning and pressing assembly presses the top surface of the box from the top. During cutting, the box can be positioned and kept stable so that it will not jump. The blade is not easy to bend during cutting and the cut is flat.

[0041] The above embodiments are disclosed only to illustrate the present utility model and are not intended to limit the present utility model. Any substitution of equivalent elements should still fall within the scope of the present utility model.

[0042] In summary, this invention enables those skilled in the art to understand that it can indeed achieve the aforementioned objectives, and thus complies with the provisions of the Patent Law. Therefore, this application is filed in accordance with the law.

Claims

1. A positioning box opening cutter module capable of being forced into a box and having elastic buffering, characterized in that, It includes: A fixed base having at least four sides; At least four cutting blade sets are correspondingly arranged on the sides. Each cutting blade set has a mounting base on the side. Each mounting base is connected to a guide plate by an elastic buffer, so that each guide plate can move back and forth relative to the fixed base. Each cutting blade set has a guide slope extending from the same side towards the fixed base. A cutting tool is arranged at the lower end of each guide plate for cutting the box body. The fixed base is driven by the outside to move to the box body. The cutting blade assembly facing the side wall of the box body touches one corner of the box body with the guide slope. The fixed base moves in a preset direction, so that the box body applies force to the guide slope and slides along the guide slope, thereby pushing the guide plate backward to compress the elastic buffer. When the guide plate moves backward to a predetermined stroke, the box body slides to fit against the guide plate. The fixed base moves in the preset direction with the box body as the center, so that the cutting blade assembly located on different sides sequentially cuts the four sides of the box body with the blades, so that the upper and lower parts of the box body are separated.

2. The positioning and opening tool module with elastic buffer that can clamp the box body as described in claim 1, characterized in that, The elastic buffer includes a bearing seat and two sliding rods. The bearing seat is assembled at the bottom of the mounting base. Each sliding rod has one end fixedly connected to the guide plate and the other end movably passing through the bearing seat. A spring is sleeved on the sliding rod located between the guide plate and the bearing seat. The spring is compressed by the push of the guide plate.

3. The positioning and opening tool module with elastic buffer that can clamp the box body as described in claim 2, characterized in that, It also includes a positioning sensor, which is mounted on the bearing and located behind the guide plate, to sense whether the guide plate has moved backward to a predetermined stroke.

4. The tool module according to claim 1, wherein the tool module is capable of being forced out of the case by a user. The mounting base is provided with a light occlusion sensor corresponding to the rear end of each of the cutting tools, and a baffle is provided at the rear end of each cutting tool corresponding to the light occlusion sensor. The position of the baffle is sensed by the light occlusion sensor to determine whether the guide plate moves backward beyond the predetermined stroke.

5. The positioning and opening tool module with elastic buffer that can clamp the box body as described in claim 1, characterized in that, Each guide plate is provided with a pressing and positioning assembly at its top. The pressing and positioning assembly has an assembly plate assembled on the top of the guide plate. The assembly plate includes at least one roller extending outward for pressing against the top surface of the housing.

6. The tool module according to claim 1, wherein the tool module is capable of being forced out of the case and has a spring buffer. Each cutting tool includes a tool holder and a pressure plate, with a cutting blade sandwiched between the tool holder and the pressure plate. The cutting blade has at least one mounting hole for locking onto the tool holder.

7. The positioning and opening tool module with elastic buffer that can clamp the box body as described in claim 6, characterized in that, The blade has four cutting edges facing opposite directions.

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