Plastic tray side trimming and cutting machine

Abstract

The utility model discloses a plastic tray side trimming and cutting machine which comprises an installation frame, a roller type conveying belt is installed on the inner wall of one end of the installation frame, a shielding cover is arranged on the top of the installation frame, a telescopic air cylinder is installed on the inner wall of the bottom end of the installation frame, and an electric rotating disc is fixed to the telescopic end of the telescopic air cylinder. The inner wall of the top end of the shielding cover is connected with a downward pressing frame, a first linear driving mechanism is installed on the side wall of the installation frame, and the moving end of the first linear driving mechanism is connected with a second linear driving mechanism. Through the arrangement of the positioning assembly, the telescopic air cylinder, the electric rotating disc, the downward pressing frame, the first linear driving mechanism and the second linear driving mechanism, after one side edge of the tray is cut, the electric rotating disc drives the tray to rotate by 90 degrees, so that the uncut side edge of the tray is moved to one side of the second linear driving mechanism to be cut; and the side edge of the tray can be completely cut, and the cutting effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pallet production, in particular to a plastic pallet side trimming and cutting machine. Background Technique

[0002] A plastic pallet is an object used in conjunction with logistics equipment such as forklifts and shelves. It can be used to store, load, and transport goods. The plastic pallet has the characteristics of high load-bearing performance and long service life, and is one of the essential logistics equipment in modern logistics warehousing. The surface of the pallet formed by injection molding or thermoforming will have some burrs and redundant structures, and these burrs need to be trimmed and removed.

[0003] After retrieval, a patent with the Chinese patent publication number CN 221161227 U discloses a plastic pallet multi-functional trimming machine, which includes a trimming mechanism, a conveying mechanism, and a collecting mechanism. The conveying mechanism is located outside the trimming mechanism, and the collecting mechanism is located below the conveying mechanism. The trimming mechanism includes a movable block one, a grinding plate, and a cutting knife. The movable block one is threadedly connected to the outside of the conveying mechanism, the grinding plate is fixedly installed at the bottom end of the movable block one, and the cutting knife is fixedly installed at the right end of the grinding plate.

[0004] This patent conveys the pallet through the conveying mechanism, and makes the pallet move relative to the cutting knife to achieve trimming. However, the pallet is generally rectangular, and there are burrs on all four sides. It can only trim two sides of the pallet, leaving a large dead angle. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose a plastic pallet side trimming and cutting machine.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A plastic pallet side trimming and cutting machine includes a mounting frame. One end inner wall of the mounting frame is installed with a roller conveyor belt. Two conveyor belts are arranged in parallel at the other end inner wall of the mounting frame. A shielding cover is arranged on the top of the mounting frame along the movement direction of the conveyor belt from the adjacent end of the conveyor belt and the positioning component to the conveyor belt. A positioning component is arranged on the bottom end inner wall of the mounting frame. A telescopic cylinder is installed on the bottom end inner wall of the mounting frame. The telescopic cylinder is located on the side of the positioning component close to the roller conveyor belt. The telescopic end of the telescopic cylinder is fixed with an electric turntable. The top end inner wall of the shielding cover is connected with a pressing frame. The pressing frame is arranged opposite to the telescopic cylinder. The bottom end of the pressing frame is rotatably connected with a rotating disc. A first linear driving mechanism is installed on the side wall of the mounting frame. The moving end of the first linear driving mechanism is connected with a second linear driving mechanism.

[0008] As a further solution of the utility model: The moving directions of the first linear driving mechanism and the second linear driving mechanism are staggered at 90 degrees.

[0009] As a further solution of the utility model: A cutting knife and a grinding rod driven by a motor are arranged on the outer wall of the bottom end of the moving end of the second linear driving mechanism, and the combination of the first linear driving mechanism and the second linear driving mechanism is located on one side of the telescopic cylinder.

[0010] As a further solution of the utility model: An electric telescopic rod one is installed on the side wall of the mounting frame, and a positioning plate is installed at the telescopic end of the electric telescopic rod one. The positioning plate is located on both sides of the roller conveyor belt.

[0011] As a further solution of the utility model: A waste box is installed on one side of the mounting frame. The waste box is a rectangle with one end open. The opening of the waste box faces the pressing frame. A blower is installed on the side wall of the bottom end of the waste box, and a blocking plate is installed on the inner wall of the waste box. The top end of the blocking plate is provided with an inclined surface inclined towards the ground.

[0012] As a further solution of the utility model: The positioning assembly includes a fixed seat and a positioning rod. The positioning rod is rotatably connected to the inner wall of the fixed seat, and a notched runner is connected to the outer wall of the rotating shaft of the positioning rod.

[0013] As a further solution of the utility model: An electric telescopic rod two is installed inside the fixed seat. The telescopic end of the electric telescopic rod two is connected with a limiting plate. The limiting plate is in limit fit with the notch of the notched runner. A microswitch is installed on the outer wall of one side of the limiting plate, and a torsion spring is connected to the rotating shaft of the positioning rod.

[0014] As a further solution of the utility model: A measuring grating is arranged at one end of the inner wall of the mounting frame close to the roller conveyor belt. The detection light emitted by the measuring grating is perpendicular to the ground.

[0015] Compared with the prior art, the utility model provides a plastic tray side trimming and cutting machine, which has the following beneficial effects:

[0016] 1. In the utility model, by setting a positioning assembly, a telescopic cylinder, an electric turntable, a pressing frame, a first linear driving mechanism and a second linear driving mechanism, after one side of the tray is cut, the electric turntable drives the tray to rotate 90 degrees, so that the uncut side of the tray moves to one side of the second linear driving mechanism for cutting, and the side of the tray can be completely cut, and the cutting effect is good.

[0017] 2. In the utility model, by setting the top end of the blocking plate as an inclined surface, waste and debris will gather towards the blocking plate side under the action of gravity, avoiding blockage of the blocking plate and affecting the waste collection effect.

[0018] 3. In this utility model, by providing a measuring grating, when the tray moves along the roller conveyor belt and passes through the measuring grating, the measuring grating determines the type of the tray according to the width of the detected light being blocked and the length of the blocking time, and adjusts the position of the positioning plate, as well as the operating parameters of the second linear drive mechanism and the grinding rod according to the determined type, so as to achieve automatic and precise cutting.

[0019] The parts not involved in this device are the same as or can be implemented by the prior art. This utility model has a simple structure and is convenient to operate. Description of the Drawings

[0020] Figure 1 It is a schematic diagram of the overall structure of a plastic tray side trimming and cutting machine proposed by this utility model;

[0021] Figure 2 It is a schematic diagram of the internal structure of a plastic tray side trimming and cutting machine proposed by this utility model;

[0022] Figure 3 It is a schematic diagram of the structure of the positioning component of a plastic tray side trimming and cutting machine proposed by this utility model;

[0023] Figure 4 It is a schematic diagram of the internal structure of the waste bin of a plastic tray side trimming and cutting machine proposed by this utility model.

[0024] In the figure: 1, mounting frame; 2, roller conveyor belt; 3, shielding cover; 4, measuring grating; 5, positioning plate; 6, electric telescopic rod 1; 7, positioning component; 8, conveyor belt; 9, telescopic cylinder; 10, electric turntable; 11, pressing frame; 12, first linear drive mechanism; 13, second linear drive mechanism; 14, cutting knife; 15, grinding rod; 16, fixed seat; 17, positioning rod; 18, notch runner; 19, electric telescopic rod 2; 20, limiting plate; 21, waste bin; 22, fan; 23, blocking plate. Detailed Embodiment

[0025] Next, the technical solutions in the embodiments of this utility model will be clearly and completely described in conjunction with the drawings in the embodiments of this utility model. Obviously, the described embodiments are only a part of the embodiments of this utility model, rather than all of the embodiments.

[0026] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0027] Embodiment 1

[0028] A plastic pallet side trimming and cutting machine, such as Figures 1 to 4As shown in the figure, it includes a mounting frame 1. One end inner wall of the mounting frame 1 is equipped with a roller conveyor belt 2. At the other end inner wall of the mounting frame 1, two conveyor belts 8 are arranged in parallel. At the top of the mounting frame 1, a shielding cover 3 is arranged along the movement direction of the conveyor belt 8 from the adjacent end of the conveyor belt 8 and the positioning assembly 7 to the conveyor belt 8. At the bottom end inner wall of the mounting frame 1, a positioning assembly 7 is arranged. The positioning assembly 7 is located between the two conveyor belts 8. At the bottom end inner wall of the mounting frame 1, a telescopic cylinder 9 is installed. The telescopic cylinder 9 is located on the side of the positioning assembly 7 close to the roller conveyor belt 2. The telescopic end of the telescopic cylinder 9 is fixed with an electric turntable 10. The top end inner wall of the shielding cover 3 is connected with a pressing frame 11. The pressing frame 11 is arranged opposite to the telescopic cylinder 9. The bottom end of the pressing frame 11 is rotatably connected with a rotating disc. On the side wall of the mounting frame 1, a first linear driving mechanism 12 is installed. The moving end of the first linear driving mechanism 12 is connected with a second linear driving mechanism 13. The movement directions of the first linear driving mechanism 12 and the second linear driving mechanism 13 are staggered at 90 degrees. The first linear driving mechanism 12 and the second linear driving mechanism 13 are of motor lead screw structure or other linear moving structures. At the bottom outer wall of the moving end of the second linear driving mechanism 13, a cutter 14 and a motor-driven grinding rod 15 are arranged. The combination of the first linear driving mechanism 12 and the second linear driving mechanism 13 is located on one side of the telescopic cylinder 9. On the side wall of the mounting frame 1, an electric telescopic rod one 6 is installed. The telescopic end of the electric telescopic rod one 6 is installed with a positioning plate 5. The positioning plate 5 is located on both sides of the roller conveyor belt 2. On one side of the mounting frame 1, a waste box 21 is installed. The waste box 21 is a rectangle with one end open. The opening of the waste box 21 faces the pressing frame 11. At the bottom side wall of the waste box 21, a blower 22 is installed. Inside the waste box 21, a blocking plate 23 is installed. The top end of the blocking plate 23 is provided with an inclined surface inclined towards the ground. The positioning assembly 7 includes a fixed seat 16 and a positioning rod 17. The positioning rod 17 is rotatably connected to the inner wall of the fixed seat 16. The outer wall of the rotating shaft of the positioning rod 17 is connected with a notched runner 18. Inside the fixed seat 16, an electric telescopic rod two 19 is installed. The telescopic end of the electric telescopic rod two 19 is connected with a limiting plate 20. The limiting plate 20 is in limit cooperation with the notch of the notched runner 18. On one side outer wall of the limiting plate 20, a micro switch is installed. The rotating shaft of the positioning rod 17 is connected with a torsion spring.

[0029] During production, the robotic arm grips and transports the pallets produced by injection / blow molding to the top of the roller conveyor belt 2, then the robotic arm releases the pallets, allowing them to fall onto the roller conveyor belt 2. The roller conveyor belt 2 moves the pallets towards the mounting frame 1. The positioning plate 5 corrects the angle of the pallets. Then the pallets move along with the conveyor belt 8. When the pallets move to one side of the positioning assembly 7, the pallets push the positioning rod 17 to rotate. At this time, the second electric telescopic rod 19 pushes the limiting plate 20 into the notch of the notch wheel 18. When the notch wheel 18 rotates a certain angle along with the positioning rod 17, the pallets stop moving. At the same time, the notch wheel 18 presses the microswitch, transmitting an electrical signal to the controller. The telescopic cylinder 9 pushes the electric turntable 10 upwards to lift and hold the pallets, and fixes the pallets through relative extrusion with the pressing frame 11. Then the second linear driving mechanism 13 drives the cutting knife 14 and the grinding rod 15 to cut the sides of the pallets. After one side is cut, the electric turntable 10 drives the pallets to rotate 90 degrees, so that the uncut sides of the pallets move to one side of the second linear driving mechanism 13 for cutting. During the rotation of the pallets, the first linear driving mechanism 12 drives the second linear driving mechanism 13 away from the electric turntable 10. When the pallets finish rotating, the first linear driving mechanism 12 drives the second linear driving mechanism 13 in the reverse direction to approach the pallets. When all four sides of the pallets are cut, the telescopic cylinder 9 drives the pallets to drop, and the conveyor belt 8 drives the pallets to move towards the discharging direction. When cutting the pallets, the second electric telescopic rod 19 drives the limiting plate 20 to move downwards, allowing the positioning rod 17 to rotate freely, so that when the pallets move, they push the positioning rod 17 to rotate and cross the positioning assembly 7. Then the torsion spring drives the positioning rod 17 to reset, and the second electric telescopic rod 19 pushes the limiting plate 20 to rise. During the cutting process, the blower 22 creates a negative pressure inside the waste box 21, sucking the cut waste and grinding debris into the waste box 21 and accumulating them above the blocking plate 23. Since the top of the blocking plate 23 is inclined, the waste and debris will gather towards one side of the blocking plate 23 due to gravity, preventing the blocking plate 23 from being blocked and affecting the suction force.

[0030] By setting the positioning assembly 7, the telescopic cylinder 9, the electric turntable 10, the pressing frame 11, the first linear driving mechanism 12 and the second linear driving mechanism 13, after one side of the pallets is cut, the electric turntable 10 drives the pallets to rotate 90 degrees, so that the uncut sides of the pallets move to one side of the second linear driving mechanism 13 for cutting, and the sides of the pallets can be cut completely with good cutting effect.

[0031] By setting the top of the blocking plate 23 as an inclined surface, the waste and debris will gather towards one side of the blocking plate 23 due to gravity, preventing the blocking plate 23 from being blocked and affecting the collection effect of the waste.

[0032] Embodiment 2

[0033] A plastic pallet side trimming and cutting machine. Based on Embodiment 1, the following improvements are made as Figure 1As shown, a measuring grating 4 is provided at one end of the inner wall of the mounting bracket 1 close to the roller conveyor belt 2, and the detection light emitted by the measuring grating 4 is perpendicular to the ground.

[0034] When the tray moves along the roller conveyor belt 2 past the measuring grating 4, the measuring grating 4 determines the type of the tray according to the width of the blocked detection light and the length of the blocking time, and adjusts the position of the positioning plate 5 and the operating parameters of the second linear drive mechanism 13 and the grinding rod 15 according to the determined type, so as to achieve automatic and precise cutting.

[0035] By providing the measuring grating 4, when the tray moves along the roller conveyor belt 2 past the measuring grating 4, the measuring grating 4 determines the type of the tray according to the width of the blocked detection light and the length of the blocking time, and adjusts the position of the positioning plate 5 and the operating parameters of the second linear drive mechanism 13 and the grinding rod 15 according to the determined type, so as to achieve automatic and precise cutting.

[0036] Working principle: During production, the robotic arm grips and transports the pallets produced by injection molding / blow molding to the top of the roller conveyor belt 2, and then the robotic arm releases the pallets, allowing them to fall onto the roller conveyor belt 2. The roller conveyor belt 2 moves the pallets towards the mounting frame 1. When passing through the measurement grating 4, the measurement grating 4 determines the type of the pallet based on the width of the blocked detection light and the length of the blocking time, and adjusts the position of the positioning plate 5 and the operating parameters of the second linear drive mechanism 13 and the grinding rod 15 according to the determined type. The positioning plate 5 corrects the angle of the pallet. Then the pallet moves with the conveyor belt 8. When the pallet moves to one side of the positioning assembly 7, the pallet pushes the positioning rod 17 to rotate. At this time, the second electric telescopic rod 19 pushes the limiting plate 20 into the notch of the notch wheel 18. When the notch wheel 18 rotates a certain angle with the positioning rod 17, the pallet stops moving. At the same time, the notch wheel 18 presses the microswitch, transmitting an electrical signal to the controller. The telescopic cylinder 9 pushes the electric turntable 10 to rise, lifting the pallet and fixing the pallet by relative extrusion with the pressing frame 11. Then the second linear drive mechanism 13 drives the cutter 14 and the grinding rod 15 to cut the side of the pallet. After one side is cut, the electric turntable 10 drives the pallet to rotate 90 degrees, moving the uncut side of the pallet to one side of the second linear drive mechanism 13 for cutting. During the rotation of the pallet, the first linear drive mechanism 12 drives the second linear drive mechanism 13 away from the electric turntable 10. When the pallet finishes rotating, the first linear drive mechanism 12 drives the second linear drive mechanism 13 to move closer to the pallet in the reverse direction. When all four sides of the pallet are cut, the telescopic cylinder 9 drives the pallet to drop, and the conveyor belt 8 drives the pallet to move towards the discharging direction. When cutting the pallet, the second electric telescopic rod 19 drives the limiting plate 20 to move downward, allowing the positioning rod 17 to rotate freely, so that the pallet can push the positioning rod 17 to rotate when moving, passing over the positioning assembly 7, and then the torsion spring drives the positioning rod 17 to reset, and the second electric telescopic rod 19 pushes the limiting plate 20 to rise; during the cutting process, the fan 22 creates a negative pressure inside the waste box 21, sucking the cut waste and grinding debris into the waste box 21 and accumulating them above the blocking plate 23. Since the top of the blocking plate 23 is inclined, the waste and debris will gather towards one side of the blocking plate 23 due to gravity, preventing the blocking plate 23 from being blocked and affecting the suction force.

[0037] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, should be covered within the protection scope of the present invention.

Claims

1. A plastic pallet side trimming and cutting machine, including a mounting frame (1), characterized in that, One end inner wall of the mounting frame (1) is provided with a roller conveyor belt (2), two conveyor belts (8) are arranged in parallel on the inner wall at the other end of the mounting frame (1), a shielding cover (3) is arranged on the top of the mounting frame (1) along the adjacent end of the conveyor belt (8) and the positioning component (7) towards the moving direction of the conveyor belt (8), a positioning component (7) is arranged on the inner wall at the bottom end of the mounting frame (1), a telescopic cylinder (9) is installed on the inner wall at the bottom end of the mounting frame (1), the telescopic cylinder (9) is located on one side of the positioning component (7) close to the roller conveyor belt (2), an electric turntable (10) is fixed to the telescopic end of the telescopic cylinder (9), the top inner wall of the shielding cover (3) is connected with a pressing frame (11), the pressing frame (11) is arranged opposite to the telescopic cylinder (9), a rotating disk is rotatably connected to the bottom end of the pressing frame (11), a first linear driving mechanism (12) is installed on the side wall of the mounting frame (1), and a second linear driving mechanism (13) is connected to the moving end of the first linear driving mechanism (12).

2. The side trimming and cutting machine for plastic pallets according to claim 1, wherein The moving directions of the first linear driving mechanism (12) and the second linear driving mechanism (13) are staggered at 90 degrees.

3. A plastic pallet side trimming and cutting machine according to claim 2, characterized in that, A cutting knife (14) and a motor-driven grinding rod (15) are arranged on the outer wall at the bottom end of the moving end of the second linear driving mechanism (13), and the combination of the first linear driving mechanism (12) and the second linear driving mechanism (13) is located on one side of the telescopic cylinder (9).

4. A plastic pallet side trimming and cutting machine according to claim 1, characterized in that, An electric telescopic rod one (6) is installed on the side wall of the mounting frame (1), a positioning plate (5) is installed at the telescopic end of the electric telescopic rod one (6), and the positioning plate (5) is located on both sides of the roller conveyor belt (2).

5. A plastic pallet side trimming and cutting machine according to claim 1, characterized in that, A waste box (21) is installed on one side of the mounting frame (1), the waste box (21) is rectangular with one end open, the opening of the waste box (21) faces the pressing frame (11), a blower (22) is installed on the side wall at the bottom end of the waste box (21), a blocking plate (23) is installed on the inner wall of the waste box (21), and the top end of the blocking plate (23) is provided with an inclined surface inclined towards the ground.

6. A plastic pallet side trimming and cutting machine according to claim 1, characterized in that The positioning component (7) includes a fixed seat (16) and a positioning rod (17), the positioning rod (17) is rotatably connected to the inner wall of the fixed seat (16), and a notched runner (18) is connected to the outer wall of the rotating shaft of the positioning rod (17).

7. A plastic pallet side trimming and cutting machine according to claim 6, characterized in that, An electric telescopic rod two (19) is installed inside the fixed seat (16), a limiting plate (20) is connected to the telescopic end of the electric telescopic rod two (19), the limiting plate (20) is in limit fit with the notch of the notched runner (18), a microswitch is installed on the outer wall of one side of the limiting plate (20), and a torsion spring is connected to the rotating shaft of the positioning rod (17).

8. A plastic pallet side trimming and cutting machine according to claim 1, characterized in that, A measuring grating (4) is arranged at one end of the inner wall of the mounting frame (1) close to the roller conveyor belt (2), and the detection light emitted by the measuring grating (4) is perpendicular to the ground.

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