Full-automatic cutting machine for rubber or plastic tensile tear specimen

Abstract

The application discloses a kind of full-automatic cutting machine of rubber or plastic tensile tear specimen, belong to sample processing equipment technical field.Working table is equipped with feeding area, cutting area and guide rail, cutting tray slides along guide rail, cutting tool carrier plate can be equipped with multiple detachable cutting knives.Material tower is equipped with multiple layers of inclined material plate and let place passage, cutting tray is equipped with rotary pressing cylinder fixing piece-shaped raw material, push mechanism jacks up to complete blanking, and connection point is retained between sample and surplus material to prevent scattering.The equipment is provided with turnover unloading mechanism, relies on synchronous belt to keep clamping arm horizontal, and is matched with separation assembly to avoid film sticking claw, and automatically transfers finished product to sample storage box.The application realizes full-automatic feeding, cutting and unloading by control module, and manual alignment and material taking are not needed, with high processing precision and efficiency.Multiple layers of material tower can continuously process multiple material sheet-shaped raw materials for a long time, and are suitable for preparing mechanical standard samples of rubber, silicone and plastic, to reduce labor cost and operation safety hazard.

Description

Technical Field

[0001] This invention relates to an automatic cutting equipment for rubber and plastic samples, belonging to the field of machine technology for punching or cutting. Background Technology

[0002] Standard specimens are required when testing the physical properties of materials. For materials such as rubber and plastics, the preparation of standard specimens is usually done manually, with mechanical devices or semi-automatic equipment used for cutting, which is inefficient. After each manual cutting, the position of the cutting blade or rubber / plastic sheet must be manually adjusted before the next cut can be made. However, manual adjustment lacks precision, potentially leading to significant cutting errors and affecting the integrity of the specimen. Furthermore, manual operation is inefficient and difficult to perform continuously. In addition, manual operation poses safety risks of being squeezed and cut.

[0003] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present invention, and therefore may include information that does not constitute prior art. Summary of the Invention

[0004] The purpose of this invention is to provide a new technical solution to improve or solve the technical problems existing in the prior art as described above.

[0005] The technical solution provided by the invention is as follows: A fully automatic cutting machine for rubber or plastic tensile tear test specimens includes a worktable, a material tower, a robotic arm, a specimen storage box, and a cutting blade, as well as a cutting tray, a pushing mechanism, and a control module; The material tower is located within the working range of the robotic arm and is used to carry the sheet-like raw materials to be processed. The sheet-like raw materials are made of rubber or plastic. The cutting tray supports and transports the sheet material to be processed to a position that is compatible with the cutting blade; The robotic arm is used to grasp, move, and release sheet-like raw materials and / or processed sample sets within the operating range; The workbench is provided with a feeding area and a cutting area, as well as a guide rail extending from the feeding area to the cutting area; the cutting tray is slidably disposed on the guide rail and moves between the feeding area and the cutting area under the control of the control module; The cutting area is provided with a cutting blade carrier plate, and the cutting blade is detachably mounted on the cutting blade carrier plate; The pushing mechanism is located below the cutting blade and is used to push the cutting tray upward under the control of the control module, so that the cutting tray and the cutting blade are pressed together to cut the sheet material placed in the cutting tray. After cutting, a sample set is obtained. The sample set includes a sample of a preset shape and size and a scrap. At least two incompletely cut connection points are retained between the sample and the scrap. The sample storage box is used to store the processed samples.

[0006] Compared with existing technologies, the technical solution provided by this invention has the following advantages: This cutting machine automatically controls the movement of the cutting tray, the pushing action of the pushing mechanism, and the cutting operation of the cutting blade through a control module. It eliminates the need for manual feeding and alignment cutting, completing the entire sample processing process automatically. This significantly reduces the intensity of manual operation and avoids dimensional errors that easily occur during manual cutting, improving the processing accuracy and efficiency of the samples. Simultaneously, after cutting, a connection point is retained between the sample and the remaining material, preventing the sample from falling directly from the remaining material after processing. This facilitates subsequent unified collection of samples, simplifies the finished product collection process, and, in conjunction with the sample storage box, allows for the neat storage of finished products, further enhancing processing convenience. The cutting blade is detachably mounted on the cutting blade carrier plate, allowing for the replacement of the corresponding specification cutting blade according to the required sample shape and size, meeting different processing needs and enhancing the equipment's adaptability.

[0007] Based on the above technical solution, the invention can be further improved as follows: Furthermore, it also includes a flipping and unloading mechanism for transferring the processed sample group from the cutting tray to the sample storage box.

[0008] The beneficial effect of adopting the above-mentioned further solution is that the transfer and unloading of the processed sample is completed automatically by the flipping and unloading mechanism, eliminating the need for manual removal of the sample from the cutting tray. This further improves the automation level of the equipment, reduces the manual intervention process, and improves processing efficiency while also further reducing the safety risks of manual operation.

[0009] Furthermore, the cutter carrier plate is provided with multiple cutter fixing positions, and each cutter fixing position is provided with a cutting blade.

[0010] The advantages of adopting the above-mentioned further solution are that multiple cutting blades of different or the same specifications can be installed at the same time, and multiple samples can be cut at once, which further improves the cutting efficiency. The cutting blades at the corresponding positions can also be selected according to the processing needs, without the need to repeatedly change the blades, making it more flexible and convenient to use.

[0011] Furthermore, the cutting tray is equipped with a rotary clamping cylinder for clamping the sheet material to be processed, preventing it from shifting during movement.

[0012] The beneficial effect of adopting the above-mentioned further solution is that after the robot places the sheet material on the cutting tray, before the cutting tray moves, the rotary clamping cylinder is rotated to the clamping position and pressed down to fix the sheet material, so as to avoid the sheet material shifting during the transfer of the cutting tray and the cutting process, which affects the cutting accuracy and ensures that the final sample size meets the standard requirements.

[0013] Furthermore, the material tower includes a frame on which multiple layers of material plates are stacked vertically. Each layer of material plate has at least one clearance channel, which is configured to allow a robotic arm to pass through the material plate it is on in the vertical direction to pick up sheet-like raw materials on the material plate below it.

[0014] The beneficial effects of adopting the above-mentioned further solution are that the multi-layered material plates are stacked vertically, allowing multiple sheet-like raw materials to be processed at once. This eliminates the need for frequent material replenishment by operators, effectively extending the continuous operation time of the equipment, further reducing the frequency of manual material replenishment, minimizing manual intervention, and increasing the automated processing time of the equipment. Simultaneously, the clearance channel allows a robotic arm to vertically pass through the upper material plate and directly retrieve the sheet-like raw materials stored on the lower material plate, making the material retrieval process smoother and more efficient.

[0015] Furthermore, the material plate is inclined relative to the horizontal plane, the clearance channel includes an open end and a closed end, the open end is higher than the closed end, the material tower is located on the side of the workbench, and the open end faces the area where the operator is active.

[0016] The beneficial effect of adopting the above-mentioned further solution is that the inclined material plate allows the sheet material placed on it to slide down to a lower position by its own gravity, so that it is naturally and neatly aligned and placed, which facilitates the precise picking up of materials by the robotic arm. At the same time, the open end faces the operator, which makes it convenient for the operator to replenish the sheet material to be processed from the open end to the material plate, making the replenishment operation more convenient and smooth.

[0017] Furthermore, the material tower includes multiple rows of material plate groups arranged side by side in the horizontal direction, and each row of material plate groups has multiple material plates stacked in the vertical direction.

[0018] The beneficial effects of adopting the above-mentioned further solution are that the multi-row material plate group can classify and store sheet-like raw materials of different specifications and materials to be processed. The equipment can automatically grab the corresponding type of material according to the processing instructions, without the need for operators to frequently change and adjust the materials. It can realize the continuous automatic processing of various different samples, further improving the integrated processing capability of the equipment and expanding the applicable scenarios of the equipment.

[0019] Furthermore, the flipping and unloading mechanism includes a clamping arm, which includes a support rod and at least two clamping terminals. The clamping terminals are connected to the support rod and are used to clamp the processed sample group. The cutting tray is provided with an avoidance notch at the position where it is adapted to the clamping terminal; this avoids interference between the clamping terminal and the cutting tray when the clamping terminal clamps the sample assembly.

[0020] It also includes at least one separation component connected to a support rod, for driving the sample group to quickly detach from the clamping terminal after the sample group is released from the clamping terminal.

[0021] The beneficial effect of adopting the above-mentioned further solution is that the clamping terminal can stably clamp the remaining material of the sample group after cutting from both sides, and with the flipping action, the finished product on the cutting tray is taken away. When the clamping terminal releases the sample group, the separation component can provide a downward force to the sample group, which can be a mechanical thrust or a downward airflow, so that the sample group falls quickly and avoids it from sticking to the clamping terminal, ensuring a smooth feeding process, avoiding problems such as finished product jamming, falling and misalignment, and improving the stability of the feeding process.

[0022] Furthermore, the flipping and unloading mechanism also includes a swing arm, and the clamping arm is connected to the swing arm; It also includes a power component, which has an output shaft capable of rotation, and the swing arm is connected to the output shaft; under the action of the power component, the swing arm swings back and forth about the axis of the output shaft of the power component.

[0023] The beneficial effect of adopting the above-mentioned further solution is that by driving the swing arm to swing back and forth through the power component, the clamped sample group can be smoothly swung from the cutting tray position to the top of the sample storage box to complete the unloading. The action is smooth and continuous, the structure is simple and reliable, and the control module can accurately control the swing stroke and position to ensure accurate unloading position.

[0024] Furthermore, the two ends of the swing arm are respectively provided with a driving wheel and a driven wheel. The driving wheel is fixed relative to the worktable. The output shaft of the power component is fixedly connected to one end of the swing arm. The driven wheel is rotatably disposed at the other end of the swing arm. A synchronous belt is connected between the driving wheel and the driven wheel. Under the action of the synchronous belt, the driving wheel and the driven wheel rotate synchronously. The driven wheel is fixedly connected to the support rod.

[0025] The beneficial effect of adopting the above-mentioned further solution is that when the swing arm swings with the output shaft, the swing arm generates a relative rotational motion relative to the driving wheel. Under the action of the synchronous belt, the driven wheel also rotates synchronously relative to the driving wheel, thereby keeping the support rod in a horizontal position at all times. This prevents the clamped sample group from deflecting and swaying during the swing process, ensuring that it can accurately fall into the sample storage box after swinging to the unloading position, without the problem of finished products falling out of place. The overall action is more stable and controllable, improving the stability of the unloading process. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of the invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the overall structure of the fully automatic cutting machine for rubber or plastic tensile tear specimens in this invention; Figure 2 for Figure 1 Enlarged view of a close-up detail at point A in the middle; Figure 3 This is a magnified view of the cutting tray position from another perspective; Figure 4 This is a schematic diagram showing the clamping terminal of the flipping and unloading mechanism when it is not clamped. Figure 5 This is a schematic diagram of the clamping terminal in the flipping and unloading mechanism; Figure 6 A schematic diagram showing the tilting and unloading mechanism when the swing arm is in a roughly upward position; Figure 7 This is a schematic diagram of the material tower structure.

[0028] The components corresponding to each number in the diagram are as follows: 000, Workbench; 100, Tilting and unloading mechanism; 200, Material tower; 300, Robotic arm; 400, Sample storage box; 500, Cutting tray; 600, Pushing mechanism; 700, Control module; 800, Cutting blade; 900, Sheet material; 901, Sample set; 001. Feeding area; 002. Cutting area; 003. Guide rail; 004. Cutting blade carrier plate; 005. Cutting blade fixing position; 006. Guide rod; 101. Support rod; 102. Clamping end; 103. Separation assembly; 104. Pressure rod; 105. Swing arm; 106. Clamping arm; 107. Power component; 108. Drive wheel; 109. Driven wheel; 110. Synchronous belt; 501. Rotary clamping cylinder; 502. Hard pad; 201. Frame; 202. Material plate; 203. Clearance passage; 204. Open end; 205. Closed end. Detailed Implementation

[0029] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and do not imply any priority in order or any specific technical meaning. Furthermore, the concepts of "connection" and "linkage" mentioned in this application, unless otherwise specified, are considered to include both direct connection (linkage) and indirect connection (linkage).

[0030] When interpreting the description of this application, it should be clarified that terms such as "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," indicating directions or positional relationships, are based on the perspective and layout shown in the accompanying drawings. They are intended to facilitate explanation and simplify the description process, and are not absolute limitations on the actual location, construction method, or operating mode of the described device or element. Therefore, these terms should not be construed as restrictive interpretations of the content of this application.

[0031] The following is in conjunction with the appendix Figures 1 to 7 The embodiments of the present invention are described in detail below. These embodiments are only used to explain the present invention and are not intended to limit the scope of protection of the present invention. The present invention is applicable to the fully automated cutting and preparation of standard mechanical specimens from sheet materials such as rubber, silicone, thermoplastic rubber, and plastics, for use in conjunction with tensile, tear, and hardness tests.

[0032] Example 1 like Figure 1 As shown, a fully automatic rubber or plastic tensile tear specimen cutting machine comprises a worktable 000, a material tower 200, a six-axis robotic arm 300, a specimen storage tank 400, a cutting blade 800, a cutting tray 500, a pushing mechanism 600, and a control module 700. The control module 700 integrates a PLC programmable controller, a servo drive unit, a multi-channel cylinder solenoid valve, and a human-machine interface touchscreen. All actions of the entire machine are uniformly and sequentially controlled by the control module 700.

[0033] The workbench 000 is divided into a loading area 001 and a cutting area 002. A linear guide rail 003 is installed between the two areas. The guide rail 003 adopts a double linear slide rail to guide the servo slide. The cutting tray 500 is vertically and slidably mounted on the slide via four vertical guide rods 006. The slide itself is horizontally and slidably mounted on the guide rail 003. The slide can smoothly move back and forth between the loading area 001 and the cutting area 002 under the command of the control module 700.

[0034] A cutting blade carrier plate 004 is fixed above the cutting area 002. Multiple cutting blade fixing positions 005 are arrayed on the cutting blade carrier plate 004. The cutting blade 800 is detachably locked to the cutting blade fixing position 005 by bolts and positioning pins. In this embodiment, two cutting blade fixing positions 005 are distributed along the direction of the linear guide rail 003. In this example, two types of cutting blades 800, namely dumbbell-shaped sample cutting blade and right-angle sample cutting blade, can be installed at the same time. The type of sample to be cut can be selected as needed.

[0035] The cutting tray 500 has a rigid pad 502 embedded inside, and a rotary clamping cylinder 501 is installed on the side of the tray (see...). Figure 3 The cylinder output end has a pressure head; after the robotic arm 300 places the sheet material 900 onto the cutting tray 500, the rotating pressing cylinder 501 rotates and presses down to press and limit the sheet material 900, ensuring that the sheet material 900 will not slip or misalign during the transfer and stamping process.

[0036] The pushing mechanism 600 is located directly below the cutting blade 800 in the bottom space of the worktable 000. The worktable 000 is provided with corresponding clearance holes. The pushing mechanism 600 adopts a cylinder vertical lifting structure with a lifting stroke of 0mm to 50mm and an adjustable lifting pressure of 0N to 20000N.

[0037] Cutting Process: Multiple samples will be cut from multiple sample positions on the sheet material 900. First, the cutting tray 500, carrying the sheet material 900 of rubber or plastic, moves to the cutting area 002 directly below the cutting blade 800. The control module 700 adjusts the slide to its initial position, ensuring the first sample position on the sheet material 900 is directly below the cutting blade 800. Then, the push mechanism 600 is triggered to lift the cutting tray 500 upwards. Under the constraint of the vertical guide rod 006, the cutting tray 500 moves vertically upwards, causing the sheet material 900 within the cutting tray 500 to be tightly pressed against the cutting blade 800 above, achieving a single cutting of the sheet material 900 to obtain one sample. Subsequently, the push mechanism 600 descends to a certain position... The height is adjusted to ensure that the sheet material 900 is detached from the cutting blade 800. The control module 700 readjusts the position of the slide table on the guide rail 003 so that the position of the second sample on the sheet material 900 is directly below the cutting blade 800. Then, the push mechanism 600 is activated again to cut the second sample. This process is repeated until the entire sheet material 900 is cut to obtain the sample group 901. The sample group 901 contains multiple standard samples and peripheral scrap. Two narrow connection points are left between each sample and the scrap, and the cut is not completely severed. After the cutting is completed, the push mechanism 600 moves down to reset. The cutting tray 500 carries the sample group 901 with connection points back to the side of the loading area 001, waiting for the flipping unloading mechanism 100 to pick up the material. The connection point between the sample and the remaining material that is not completely cut off can ensure that the two remain connected. After cutting, the sample will not scatter or shift. The sample group 901 can be clamped and transported as a whole to avoid individual samples falling and being lost, simplifying the subsequent sorting process. When taking a specific sample, it can be easily torn off.

[0038] refer to Figure 1 , Figure 7 The material tower 200 is installed on the side of the workbench 000 and within the working range of the robotic arm 300. It includes a metal frame 201, and several layers of material plates 202 are arranged vertically inside the frame 201. Each layer of material plate 202 has a rectangular clearance channel 203 that runs vertically through it. The gripper of the robotic arm 300 is connected to a long straight extension rod, which can pass vertically through the clearance channel 203 of the upper layer of material plate 202 and directly grab the sheet-like raw material 900 stored in the lower layer of material plate 202.

[0039] The material plate 202 is tilted at an angle of 5° to 30° relative to the horizontal plane. In this example, 20° is selected to allow the passage 203 to separate the open end 204 and the closed end 205. The height of the open end 204 is higher than that of the closed end 205. The sheet material 900 slides towards the closed end 205 by its own weight, automatically aligning and making it easy for the robotic arm 300 to maintain a consistent gripping position. The open end 204 of the material tower 200 faces outward, i.e. towards the area where the equipment operator stands. Manual replenishment only requires pushing the sheet material 900 in from the open end 204, making the operation convenient.

[0040] In this embodiment, the material tower 200 is equipped with four rows of material plates arranged in a horizontal direction. Each row of material plates is equipped with several layers of inclined material plates 202. One row stores natural rubber sheets, and the other three rows can be used to store materials of the same or different materials as needed. The control module 700 can control the robotic arm 300 to grab the corresponding column of materials according to the processing program instructions, so as to realize the continuous automatic processing of multi-material samples without the need for frequent manual material changes.

[0041] The robotic arm 300 is a desktop-grade six-axis servo robotic arm, equipped with a vacuum suction cup gripper at its end, along with a negative pressure generator and pressure sensor. The operation process is as follows: The robotic arm 300 moves above the material tower 200, the gripper vertically passes through the clearance channel 203 of the upper material plate 202, vacuum-adsorbs the sheet material 900 on the lower material plate 202, moves it laterally out of the material tower 200, lifts it up and transfers it to the cutting tray 500. After releasing the material, the robotic arm 300 rotates the clamping cylinder 501 to its position and presses down to fix the material, completing the automatic feeding. The entire machine can achieve continuous automatic material handling for up to fifteen layers without interruption. Manual replenishment of the sheet material 900 on the material tower is only required, significantly reducing the frequency of manual replenishment.

[0042] refer to Figure 4 , Figure 6 In this embodiment, a standard flipping and unloading mechanism 100 is provided to automatically transfer the cut whole sheet of rubber or plastic raw material 900 from the cutting tray 500 to the sample storage box 400, thereby achieving fully automatic unloading.

[0043] The flipping and unloading mechanism 100 includes a power component 107, a swing arm 105, a clamping arm 106, and a separation assembly 103. 1) The power component 107 is a rotary cylinder, which rotates at a fixed angle when it is in motion. Its output shaft is arranged horizontally, and one end of the swing arm 105 is rigidly fixed on the output shaft of the rotary cylinder. The rotary cylinder drives the swing arm 105 to swing back and forth at ±90° around the output shaft axis. 2) The swing arm 105 is equipped with a drive wheel 108 and a driven wheel 109 at both ends. The drive wheel 108 is fixed to the frame and remains stationary relative to the worktable 000. The output shaft of the power component 107 is rigidly locked to the swing arm 105. A synchronous belt 110 is fitted between the drive wheel 108 and the driven wheel 109. The synchronous belt has a transmission ratio of 1:1. The driven wheel 109 is fixedly connected to the support rod 101. When the swing arm 105 swings relative to the drive wheel 108, the synchronous belt 110 drives the driven wheel 109 to rotate synchronously, so that the support rod 101 always maintains a horizontal posture and the clamped sample group 901 will not tilt or fall off. 3) The clamping arm 106 consists of a support rod 101 and two sets of clamping terminals 102. The clamping terminals 102 are pneumatic grippers. The cutting tray 500 has a clearance notch on the side. When clamping, the clamping terminals 102 can extend into the cutting tray 500 without structural interference. The clamping terminals 102 symmetrically clamp the remaining material areas on both sides of the sample group 901, avoiding the middle standard sample. 4) A set of separation components 103 is assembled on the support rod 101. In this example, the separation component 103 includes a support base plate and a pressure rod 104 that is slidably disposed on the support base plate via a spring and a limiting structure. The pressure rod 104 is lightly pressed against the upper surface of the sample assembly 901 by the spring. During unloading, the clamping terminal 102 clamps the sample assembly 901 and swings it above the sample storage box 400. The clamping terminal 102 releases to release the sample assembly 901. The spring drives the pressure rod 104 to push the sample assembly 901 downward to prevent the sample assembly 901 from sticking to the gripper due to adhesiveness, ensuring that the sample assembly 901 falls smoothly into the sample storage box 400.

[0044] The separation component 103 is not limited to this spring-loaded rod structure. For example, a compressed air nozzle can be set at this position. When the sample assembly 901 is released, the compressed air nozzle is controlled by an electronically controlled valve to spray compressed air, which can also give the sample assembly 901 a downward thrust to prevent it from sticking to the gripper.

[0045] The sample storage box 400 is located at the corner of the workbench 000. It is an open box with layered partitions inside. After the sample group 901 falls into the storage box, the standard sample can be separated by simply prying or tearing the connection point and collected for material mechanics testing.

[0046] Example 2 The main structure of this embodiment is the same as that of embodiment 1, the difference being: The cutter carrier plate 004 has only one cutter fixing position 005, and only a single specification cutter 800 can be installed at a time, which is suitable for batch processing of single samples. The material tower 200 is equipped with only a single row of material plate groups, with a total of 5 material plates 202, which only store the same type of rubber or plastic sheet; The flipping and unloading mechanism 100 is cancelled. After cutting, the cutting tray 500 returns to the loading area 001, and the robotic arm 300 takes away the sample group 901. The remaining structures of the cutting tray 500, the pushing mechanism 600, the rotary pressing cylinder 501, and the clearance channel 203 of the single-layer material plate 202 are exactly the same as in Embodiment 1. This can achieve basic automatic feeding and automatic punching and cutting, reducing equipment manufacturing costs. However, since the robotic arm 300 needs to both feed and unload, the overall working efficiency is lower than in Embodiment 1. In addition, because the sample group 901 is in the cut state, there is a cut gap between the sample and the remaining material. If the entire negative pressure suction head is used, there may be difficulty in adsorption. Therefore, in this embodiment, a suitable suction head, such as a needle suction cup, needs to be selected to simultaneously adapt to the whole sheet of raw material 900 and the cut sample group 901 with gaps.

[0047] Example 3 Based on Example 1, the following improvements were made: The material tower 200 is set up in two groups, each group has four rows of material plates, which can store various raw materials such as rubber, silicone, TPE thermoplastic rubber and plastics, or provide material towers 200 of different sizes to hold sheet raw materials 900 of different sizes. The equipment can automatically switch material processing according to the upper computer test program. The cutter carrier plate 004 is equipped with three sets of cutter fixing positions 005, which can simultaneously assemble three types of standard sample cutters 800. The flipping and unloading mechanism 100 is equipped with a dual-station sample storage box 400. The position of the sample storage box 400 is switched by a small translation cylinder to realize the separate storage of samples of different materials. The control module 700 is connected to an external vision camera to visually detect the presence or absence of materials in the material tower 200 and the integrity of the cut sample. Automatic audible and visual alarms are triggered for material shortages and poor cutting.

[0048] The complete automated processing flow of the whole machine is described below using Example 1 as an example.

[0049] Step 1: Manual material preparation: Push the sheet material 900 from the opening end 204 of the material tower 200 into the inclined material plates 202 of each layer. The sheet material 900 automatically aligns by its own weight. Close the safety door of the equipment. Set the cutting sample specifications and the number of processing at one time through the control module 700. Step 2 Automatic feeding: Control module 700 starts robotic arm 300, robotic arm 300 picks up sheet material 900. For the lower layer of sheet material 900, the extension rod of robotic arm 300 carries the gripper vertically through the clearance channel 203 of the upper material plate 202, vacuum adsorbs the lower layer of sheet material 900, and moves it horizontally out of the material tower 200 from the opening end 204, and then transfers it to the cutting tray 500; the rotary pressing cylinder 501 rotates and presses down to press the sheet material 900 to prevent displacement; the suction cup at the end of robotic arm 300 is set on the universal joint and has an automatic angle compensation function, which can adapt to the tilted sheet material 900.

[0050] Step 3: Pallet transfer: The servo slide moves the cutting pallet 500 along the guide rail 003 to the cutting area 002 directly below the cutting blade 800; and adjusts the position of the slide in the direction of the guide rail 003 so that the first sample of the sheet material 900 is located directly below the cutting blade 800. Step 4: Stamping and Cutting: The push mechanism 600 lifts the cutting tray 500 upwards, and the sheet material 900 is squeezed and punched by the upper cutting blade 800. A standard sample is cut from the sheet material 900. Two narrow connection points that are not completely cut are left between each sample and the remaining material. The push mechanism 600 moves downwards to reset and readjusts the position of the slide on the guide rail 003 so that the position of the second sample on the sheet material 900 is directly below the cutting blade 800. The push mechanism 600 is driven again to cut the second sample. This process is repeated until all samples on the sheet material 900 are cut. The processed sample group 901 is obtained, and the cutting tray 500 carrying the sample group 901 returns to one side of the loading area 001. Step 5 Automatic Flipping and Unloading: The swing arm 105 of the flipping and unloading mechanism 100 swings above the cutting tray 500, and the clamping terminal 102 clamps the two sides of the sample group 901; the swing arm 105 swings in the opposite direction to above the sample storage box 400, the grippers are released, and the pressure rod 104 of the separation component 103 pushes the sample group 901 so that it falls into the sample storage box 400. Step 6: Cyclic processing: The robotic arm 300 picks up the material again and repeats steps 2 to 5 until all the material in the material tower 200 is processed and the equipment automatically stops and prompts for material replenishment. Step 7: Manual sorting: Open the sample storage box 400, manually tear off the connection point between the sample and the remaining material, and sort the standard samples for material tensile, tear and hardness testing.

[0051] Explanation of the core advantages of the equipment: The entire process is automated, eliminating the need for manual feeding, alignment, cutting, and unloading, thus preventing dimensional deviations and safety risks associated with manual cutting and extrusion, and ensuring high consistency in sample dimensions. The multi-layer inclined silo 200, equipped with a clearance channel 203, can operate continuously for a long time, significantly reducing the frequency of manual material replenishment; the multi-row material plate group supports automatic switching processing of multiple materials; The detachable multi-station cutting plate 004 can be quickly replaced and can achieve simultaneous cutting of multiple specifications, adapting to various standard rubber and plastic test samples. The tray rotating clamping cylinder 501 fixes the sheet material 900 throughout the entire process, ensuring no slippage during transfer and stamping, and improving cutting accuracy; After cutting, the sample and the remaining material retain a connection point to prevent the sample from scattering. The sample is automatically collected by the flipping and unloading mechanism, which simplifies the post-processing steps. The flipping and unloading mechanism 100 uses a synchronous belt 110 to keep the clamping arm 106 horizontal. It is equipped with an elastic push-separation rod to solve the problems of rubber and plastic sticking to the claws and material jamming. The unloading action is stable and reliable.

[0052] The above description is merely a preferred embodiment of the invention and is not intended to limit the invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the invention should be included within the scope of protection of the invention.

Claims

1. A fully automatic cutting machine for rubber or plastic tensile tear test specimens, comprising a worktable, a material tower, a robotic arm, a specimen storage bin, and a cutting blade, characterized in that, It also includes a cutting tray, a push mechanism, and a control module; The material tower is located within the working range of the robotic arm and is used to carry the sheet-like raw materials to be processed. The sheet-like raw materials are made of rubber or plastic. The cutting tray supports and transports the sheet material to be processed to a position that is compatible with the cutting blade; The robotic arm is used to grasp, move, and release sheet-like raw materials to be processed and / or sample sets obtained after processing within the working range; The workbench is provided with a feeding area and a cutting area, as well as a guide rail extending from the feeding area to the cutting area; the cutting tray is slidably disposed on the guide rail and moves between the feeding area and the cutting area under the control of the control module; The cutting area is provided with a cutting blade carrier plate, and the cutting blade is detachably mounted on the cutting blade carrier plate; The pushing mechanism is located below the cutting blade and is used to push the cutting tray upward under the control of the control module, so that the cutting tray and the cutting blade are brought together to cut the sheet material placed in the cutting tray. After cutting, a sample group is obtained. The sample group includes a sample of a preset shape and size and a scrap. At least two incompletely cut connection points are left between the sample and the scrap. The sample storage box is used to store the samples obtained after processing.

2. The fully automatic rubber or plastic tensile tear specimen cutting machine according to claim 1, characterized in that, It also includes a flipping and unloading mechanism for transferring the processed sample group from the cutting tray to the sample storage box.

3. The fully automatic rubber or plastic tensile tear specimen cutting machine according to claim 1, characterized in that, The cutter carrier plate is provided with multiple cutter fixing positions, and each cutter fixing position is provided with a cutting blade.

4. The fully automatic cutting machine for rubber or plastic tensile tear specimens according to claim 1, characterized in that, The cutting tray is equipped with a rotary clamping cylinder to clamp the sheet material to be processed, preventing it from shifting during movement.

5. The fully automatic rubber or plastic tensile tear specimen cutting machine according to any one of claims 1-4, characterized in that, The material tower includes a frame on which multiple layers of material plates are stacked vertically. Each layer of material plate has at least one clearance channel, which is configured to allow a robotic arm to pass through the material plate it is on vertically to pick up sheet-like raw materials on the material plate below it.

6. The fully automatic cutting machine for rubber or plastic tensile tear specimens according to claim 5, characterized in that, The material plate is inclined relative to the horizontal plane, the clearance channel includes an open end and a closed end, the open end is higher than the closed end, the material tower is located on the side of the workbench, and the open end faces outward.

7. The fully automatic rubber or plastic tensile tear specimen cutting machine according to claim 6, characterized in that, The material tower includes multiple rows of material plate groups arranged side by side in the horizontal direction, and each row of the material plate group has multiple material plates stacked in the vertical direction.

8. The fully automatic rubber or plastic tensile tear specimen cutting machine according to claim 2, characterized in that, The flipping and unloading mechanism includes a clamping arm, which includes a support rod and at least two clamping terminals. The clamping terminals are connected to the support rod and are used to clamp the sample assembly. It also includes at least one separation component connected to a support rod, for pushing the sample group to quickly detach from the clamping terminal after the sample group is released from the clamping terminal.

9. The fully automatic rubber or plastic tensile tear specimen cutting machine according to claim 8, characterized in that, The flipping and unloading mechanism also includes a swing arm, and the clamping arm is connected to the swing arm; It also includes a power component, which has an output shaft capable of rotation, and the swing arm is connected to the output shaft; under the action of the power component, the swing arm swings back and forth about the axis of the output shaft of the power component.

10. The fully automatic cutting machine for rubber or plastic tensile tear specimens according to claim 9, characterized in that, The swing arm has a driving wheel and a driven wheel at its two ends respectively. The driving wheel is fixed relative to the worktable. The output shaft of the power component is fixedly connected to one end of the swing arm. The driven wheel is rotatably mounted at the other end of the swing arm. A synchronous belt connects the driving wheel and the driven wheel. Under the action of the synchronous belt, the driving wheel and the driven wheel rotate synchronously. The driven wheel is fixedly connected to the support rod.

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