A quick cutting and forming device for electric vehicle seat cushion sponge

Abstract

The utility model relates to a kind of electric vehicle cushion sponge quick cutting forming equipment, belong to electric vehicle cushion sponge cutting device technical field.The electric vehicle cushion sponge quick cutting forming equipment, it includes: conveyor belt, the outer side fixed mounting of conveyor belt is equipped with fixed frame, the side of fixed frame is provided with cutting machine;Flat detection mechanism is used to flatten the electric vehicle cushion sponge when cutting the flat detection mechanism setting in the side of cutting machine;Through the setting of flattening component, cutting machine can flatten sponge surface simultaneously in the process of moving down cutting to sponge, to avoid the cutting line deviation caused by sponge local bulge or warping, ensure the consistency of cutting trajectory and design shape, detection component carries out real-time monitoring to sponge thickness while cutting, can dynamically correct cutting depth according to thickness variation, effectively avoid the cutting error generated due to the thickness difference of different batches of sponge.

Description

Technical Field

[0001] This utility model relates to the technical field of electric vehicle seat cushion sponge cutting device, and in particular to a rapid cutting and molding equipment for electric vehicle seat cushion sponge. Background Technology

[0002] In the current production process of electric vehicle seat cushions, large pieces of sponge raw material are usually processed by cutting devices. Common methods include: using a reciprocating cutting machine with a fixed blade to cut the sponge into blocks through linear reciprocating motion, or using a hot wire cutter to shape and cut the sponge with high-temperature metal wire; some factories also use CNC cutting tables to cut complex curves through preset trajectories.

[0003] Sponge itself is a highly elastic and easily deformable soft material. Due to its porous foam structure, it is prone to localized compression and bulging under stress. Therefore, if the sponge surface is not effectively flattened during the cutting process, localized bulges or warping will occur, causing the cutting tool to deviate from the actual designed trajectory. This ultimately results in uneven cutting lines and inconsistent thickness, affecting the dimensional accuracy and consistency of the electric vehicle seat cushion sponge. Utility Model Content

[0004] Based on this, it is necessary to provide a rapid cutting and molding equipment for electric vehicle seat cushion foam, which is a highly elastic, easily deformable, porous foam material that is prone to local compression and bulging under stress. If it is not effectively flattened during the cutting process, bulges or warping will occur, causing the cutter to deviate from the design trajectory, resulting in non-straight cutting lines and uneven thickness, which affects the dimensional accuracy and consistency of the finished product.

[0005] A rapid cutting and molding device for electric vehicle seat cushion foam includes: a conveyor belt, a fixed frame fixedly installed on the outer side of the conveyor belt, and a cutting machine arranged on one side of the fixed frame; a flattening detection mechanism, used to flatten the electric vehicle seat cushion foam during cutting, the flattening detection mechanism being arranged on one side of the cutting machine; wherein, the flattening detection mechanism includes electric slide rails fixedly installed on both sides of the fixed frame, the output ends of the two electric slide rails being fixedly connected to one side of the cutting machine, a flattening component being arranged on the outer side of the cutting machine, and a detection component being arranged on the surface of the cutting machine.

[0006] The flattening assembly includes two fixed blocks fixedly installed on both sides of the cutting machine. A rotating block is rotatably connected to one side of each fixed block, and a guide tube is fixedly connected to one side of each rotating block. A clamping block is provided at one end of the guide tube.

[0007] The two fixed blocks on the same side are located on both sides of the cutting machine, and a torsion spring is fixedly installed between the fixed block and the adjacent rotating block.

[0008] A movable rod is slidably connected to one end of the guide tube, and the abutting block is disposed at the other end of the movable rod. A first spring is fixedly connected between the movable rod and the inner wall of the guide tube.

[0009] The other end of the movable rod is fixedly connected to a universal joint, and the other side of the universal joint is fixedly connected to a clamping block.

[0010] The clamping block is set at an angle, and a rubber block is fixedly connected to the bottom of the clamping block.

[0011] The rubber block is set in a hemispherical shape, and the two adjacent guide tubes on both sides of the cutting machine are arranged in a figure-eight shape.

[0012] The detection assembly includes a fixed tube that is fixedly installed on one side of the cutting machine, and a detection wheel is provided at the bottom of the fixed tube.

[0013] A movable rod is slidably connected to the bottom of the fixed tube, and the other end of the movable rod is fixedly connected to the detection wheel. A displacement sensor is fixedly installed inside the fixed tube.

[0014] A fixing ring is fixedly installed inside the fixing tube, and a second spring is fixedly connected to the bottom of the fixing tube. The other end of the second spring is fixedly connected to the moving rod.

[0015] Beneficial effects 1. By setting up the flattening component, the cutting machine can simultaneously flatten the surface of the sponge during the downward cutting process, thereby avoiding the deviation of the cutting line caused by local bulging or lifting of the sponge, ensuring the consistency of the cutting trajectory with the design shape. The detection component monitors the thickness of the sponge in real time during cutting, and can dynamically correct the cutting depth according to the thickness change, effectively avoiding the cutting error caused by the thickness difference of different batches of sponge. 2. The fixing tube is fixedly installed on one side of the cutting machine, so that the detection wheel can always keep in contact with the sponge surface during the downward movement of the cutting machine. When the detection wheel rolls and adheres to the sponge, it can sense the change in the surface height of the sponge in real time and transmit the corresponding displacement signal to the cutting machine, thereby realizing the real-time detection of the sponge thickness. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this utility model 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model; Figure 2 This is a schematic diagram of the flattening detection mechanism of this utility model; Figure 3 This is a schematic diagram of the cutting machine and flattening assembly of this utility model; Figure 4 This is a schematic diagram of the internal structure of the movable tube of this utility model; Figure 5 This is a schematic diagram of the detection component structure of this utility model.

[0018] Figure label: 100. Conveyor belt; 200. Fixing frame; 210. Cutting machine; 300. Flattening detection mechanism; 310. Electric slide rail; 320. Flattening assembly; 321. Fixing block; 322. Rotating block; 323. Guide tube; 324. Pressing block; 325. Torsion spring; 326. First spring; 327. Movable rod; 328. Universal joint; 329. Rubber block; 330. Detection assembly; 331. Fixing tube; 332. Moving rod; 333. Detection wheel; 334. Displacement sensor; 335. Fixing ring; 336. Second spring. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0020] The following is combined with Figures 1-5 This invention describes a rapid cutting and molding equipment for electric vehicle seat cushion sponges.

[0021] In one embodiment, a rapid cutting and molding device for electric vehicle seat cushion foam includes: a conveyor belt 100, a fixing frame 200 fixedly installed on the outer side of the conveyor belt 100, and a cutting machine 210 disposed on one side of the fixing frame 200; a flattening detection mechanism 300, which is used to flatten the electric vehicle seat cushion foam during cutting and is disposed on one side of the cutting machine 210; wherein, the flattening detection mechanism 300 includes electric slide rails 310 fixedly installed on both sides of the fixing frame 200, the output ends of the two electric slide rails 310 are fixedly connected to one side of the cutting machine 210, a flattening component 320 is disposed on the outer side of the cutting machine 210, and a detection component 330 is disposed on the surface of the cutting machine 210.

[0022] In this embodiment, by setting the flattening component 320, the cutting machine 210 can simultaneously flatten the surface of the sponge during the downward cutting process, thereby avoiding the deviation of the cutting line caused by local bulging or lifting of the sponge, ensuring the consistency of the cutting trajectory with the design shape. The detection component 330 monitors the thickness of the sponge in real time while cutting, and can dynamically correct the cutting depth according to the thickness change, effectively avoiding the cutting error caused by the thickness difference of different batches of sponge. It should be noted that existing electric vehicle seat cushion foam rapid cutting and molding equipment typically includes: a conveyor belt 100 for conveying raw materials, a cutting machine body 210 for driving the cutting blades, and a CNC component for controlling the cutting trajectory. It can complete the straight or curved cutting of the foam according to the preset trajectory, and the processing efficiency is high. The flattening component 320 only assists in flattening the sponge surface when the cutting machine 210 moves down to cut. Its structure is arranged in parallel with the cutting tool, which will not change the working mode of the original CNC cutting components, nor will it interfere with the cutting path. The detection component 330 is arranged on the surface of the cutting machine 210 and is used to detect the sponge thickness in real time during the cutting process. Its detection process is non-contact or micro-contact, which can obtain thickness information without hindering the operation of the tool. The addition of the above two components will not affect the normal operation of the existing cutting device. On the contrary, it can further improve the cutting accuracy and product consistency while ensuring the original CNC cutting function. It should be noted that the cutting machine 210 can be a conventional CNC cutting device, which typically includes a drive motor, a cutting tool mounting bracket, and a control module. The drive motor is used to drive the cutting tool to move along a preset trajectory. The cutting tool can be a rotary blade, a reciprocating straight blade, or a hot wire blade, etc., to cut the cushion foam material.

[0023] like Figure 2 , Figure 3 and Figure 4 As shown, the flattening assembly 320 includes two fixed blocks 321 fixedly installed on both sides of the cutting machine 210. A rotating block 322 is rotatably connected to one side of the fixed block 321, and a guide tube 323 is fixedly connected to one side of the rotating block 322. A clamping block 324 is provided at one end of the guide tube 323.

[0024] In this embodiment, when the cutting machine 210 moves down, the guide tube 323 moves down synchronously with the cutting machine 210, so that the pressing block 324 can contact the sponge surface first before the blade, thereby pre-flattening the area to be cut. The pressing blocks 324 at the bottom of the two adjacent guide tubes 323 are structurally far apart from each other, so that the sides of the sponge are unfolded and flattened, effectively avoiding the bulging or lifting phenomenon caused by elastic deformation of the sponge during the cutting process.

[0025] Two fixed blocks 321 on the same side are located on both sides of the cutting machine 210, and a torsion spring 325 is fixedly installed between the fixed block 321 and the adjacent rotating block 322.

[0026] In this embodiment, a torsion spring 325 is provided between the fixed block 321 and the adjacent rotating block 322, so that the rotating block 322 always maintains its initial outward opening position when not subjected to external force. When the cutting machine 210 moves down, the torsion spring 325 can provide a rebound force to the rotating block 322, so that the guide tube 323 and the pressing block 324 maintain a stable pressed state after contacting the sponge, avoiding uneven pressing or loosening due to gravity alone.

[0027] One end of the guide tube 323 is slidably connected to a movable rod 327, and a pressing block 324 is disposed at the other end of the movable rod 327. A first spring 326 is fixedly connected between the movable rod 327 and the inner wall of the guide tube 323.

[0028] In this embodiment, the sliding connection of the movable rod 327 allows the pressing block 324 to reciprocate within the guide tube 323. By providing a first spring 326 between the movable rod 327 and the inner wall of the guide tube 323, when the pressing block 324 contacts the sponge surface, the first spring 326 can provide a flexible pressing force, ensuring that the pressing block 324 adheres tightly to the sponge without excessive pressure, thus guaranteeing stability and gentleness during the flattening process. The first spring 326 can adaptively expand and contract according to sponges of different thicknesses or densities, allowing the pressing block 324 to maintain a continuous and uniform pressing effect during the cutting process.

[0029] The other end of the movable rod 327 is fixedly connected to a universal joint 328, and the other side of the universal joint 328 is fixedly connected to a retaining block 324.

[0030] In this embodiment, the end of the movable rod 327 is fixedly connected to the clamping block 324 through the universal joint 328, so that the clamping block 324 can swing freely at multiple angles when in contact with the sponge surface, thereby automatically conforming to the local curved surface or irregular undulations of the sponge, ensuring that the clamping block 324 always maintains full contact with the sponge surface during the flattening process, effectively avoiding the problem of local gaps or uneven compression caused by the unevenness of the sponge surface.

[0031] The clamping block 324 is set at an angle, and a rubber block 329 is fixedly connected to the bottom of the clamping block 324.

[0032] In this embodiment, the pressing block 324 is set at an angle so that it can form a pressing effect with downward and lateral force when it comes into contact with the sponge surface. This not only flattens the sponge surface, but also expands the sides of the sponge, further reducing bulging and warping. The rubber block 329 fixedly connected to the bottom of the pressing block 324 can provide flexible contact during the pressing process, effectively dispersing local pressure and avoiding damage to the sponge surface caused by hard pressing.

[0033] The rubber block 329 is set in a hemispherical shape, and the two adjacent guide tubes 323 on both sides of the cutting machine 210 are arranged in a figure-eight shape.

[0034] In this embodiment, the rubber block 329 is designed in a hemispherical shape, enabling it to form a flexible support with point-to-surface interaction when in contact with the sponge surface. This provides stable clamping force and allows for adaptive fitting at different angles, reducing the risk of the sponge surface being damaged by hard pressure. Two adjacent guide tubes 323 are arranged in a V-shape, allowing the clamping block 324 at its end to exert outward force on both sides of the sponge during the downward movement of the cutting machine 210, achieving simultaneous flattening and lateral unfolding.

[0035] like Figure 2 , Figure 3 and Figure 5 As shown, the detection component 330 includes a fixed tube 331 fixedly installed on one side of the cutting machine 210, and a detection wheel 333 is provided at the bottom of the fixed tube 331.

[0036] In this embodiment, the fixing tube 331 is fixedly installed on one side of the cutting machine 210, so that the detection wheel 333 can always keep in contact with the sponge surface during the downward movement of the cutting machine 210. When the detection wheel 333 rolls and adheres to the sponge, it can sense the change in the surface height of the sponge in real time and transmit the corresponding displacement signal to the cutting machine 210, thereby realizing the real-time detection of the sponge thickness.

[0037] A movable rod 332 is slidably connected to the bottom of the fixed tube 331. The other end of the movable rod 332 is fixedly connected to the detection wheel 333. A displacement sensor 334 is fixedly installed inside the fixed tube 331.

[0038] In this embodiment, the bottom of the fixed tube 331 is slidably connected to the moving rod 332, allowing the detection wheel 333 to float up and down when in contact with the sponge surface, thereby accurately reflecting the actual change in the thickness of the sponge surface. A displacement sensor 334 is fixedly installed inside the fixed tube 331 to collect the displacement of the moving rod 332 in real time and transmit the thickness data to the control unit of the cutting machine 210. The detection wheel 333 can synchronously provide feedback on the thickness information of the sponge during its rolling process. The cutting machine 210 can dynamically adjust the cutting depth based on the detection results, avoiding cutting errors caused by uneven sponge thickness or localized bulges. It should be noted that the displacement sensor 334 can be a common linear displacement sensor 334, such as a potentiometer-type displacement sensor 334, a photoelectric encoder-type displacement sensor 334, or an inductive displacement sensor 334. One end of it is fixed to the fixed tube 331, and the other end forms a detection engagement with the moving rod 332, enabling it to acquire the displacement of the moving rod 332 in real time when the detection wheel 333 moves up and down. During operation, the displacement sensor 334 converts the detected displacement signal into an electrical signal and transmits it to the control unit of the cutting machine 210.

[0039] A fixing ring 335 is fixedly installed inside the fixing tube 331, and a second spring 336 is fixedly connected to the bottom of the fixing tube 331. The other end of the second spring 336 is fixedly connected to the moving rod 332.

[0040] In this embodiment, a second spring 336 is arranged between the fixed ring 335 and the moving rod 332, so that the moving rod 332 is always in an elastic reset state during the up-and-down sliding process. When the detection wheel 333 is displaced due to contact with the sponge surface, the second spring 336 can provide flexible support, making the displacement process more stable and avoiding fluctuations in the detection results caused by sudden impact. At the same time, the second spring 336 can automatically push the moving rod 332 back to the initial position after the detection is completed, realizing the rapid reset of the detection wheel 333. It should be noted that the second spring 336 mainly serves to provide flexible support and reset for the moving rod 332. Its elastic force parameters are reasonably selected to provide only the minimum elastic force required for balance and return, without causing excessive interference to the normal displacement of the moving rod 332. During the detection process, the displacement of the moving rod 332 can still be completely recorded by the displacement sensor 334. The second spring 336 only provides stable constraint to the moving rod 332, preventing the detection wheel 333 from shaking or jumping momentarily when it contacts the sponge. Therefore, the second spring 336 not only does not weaken the detection effect of the displacement sensor 334, but also improves the stability and accuracy of the detection data by suppressing interference vibration.

[0041] Working Principle: First, the raw material of the electric vehicle seat cushion sponge to be processed is placed on the conveyor belt 100. Under the driving action, the conveyor belt 100 conveys the sponge in a fixed direction to the area below the cutting machine 210. As the conveyor belt 100 runs, the fixing frame 200 provides stable support for the cutting area, ensuring that the sponge moves smoothly before entering the cutting position. After the sponge enters the cutting position, the cutting machine 210 moves downward in a vertical direction under the drive of the electric slide rail 310. During this process, the flattening component 320 arranged on the outside of the cutting machine 210 is activated first, and the guide tube 323 moves downward synchronously with the cutting machine 210, so that the pressing block 324 contacts the sponge surface first. Since the pressing block 324 is set at an angle and cooperates with the hemispherical rubber block 329, the adjacent guide tube 323 forms an outward force when pressed down, which can simultaneously unfold and flatten both sides of the sponge, thereby eliminating bulges and warping, and ensuring that the surface of the area to be cut is flat. At the same time, the movable rod 327 achieves flexible clamping under the action of the first spring 326, and the universal joint 328 ensures that the clamping block 324 adaptively conforms to the curved surface of the sponge; After flattening, the cutting tool of the cutting machine 210 enters the sponge to cut. During the cutting process, the detection component 330 works synchronously, the detection wheel 333 is in close contact with the sponge surface and moves with the thickness fluctuations, and the moving rod 332 drives the displacement sensor 334 to collect thickness information in real time. The second spring 336 provides flexible support during this process, so that the displacement signal is transmitted smoothly without interference. The control component dynamically corrects the cutting depth according to the detection results to avoid errors caused by batch differences or uneven local thickness. After the cutting is completed, the cutting machine 210 is reset under the drive of the electric slide rail 310, and the flattening component 320 and the detection component 330 automatically return to their positions under the action of the torsion spring 325 and the second spring 336, ready for the next cycle. The cut sponge is output to the receiving end by the conveyor belt 100, realizing continuous processing.

[0042] It should be noted that the cutting machine, electric slide rail, and displacement sensor mentioned above are all devices with relatively mature existing technologies. The specific models can be selected according to actual needs. At the same time, the cutting machine, electric slide rail, and displacement sensor can be powered by the built-in power supply or by AC power. The specific power supply method should be selected according to the situation, and will not be elaborated here.

[0043] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A rapid cutting and molding equipment for electric vehicle seat cushion sponge, characterized in that, include: A conveyor belt (100) is provided with a fixed frame (200) fixedly installed on the outer side of the conveyor belt (100), and a cutting machine (210) is provided on one side of the fixed frame (200). A flattening detection mechanism (300) for flattening electric vehicle seat cushion foam during cutting is provided on one side of the cutting machine (210); The flattening detection mechanism (300) includes electric slide rails (310) fixedly installed on both sides of the fixed frame (200). The output ends of the two electric slide rails (310) are fixedly connected to one side of the cutting machine (210). A flattening component (320) is provided on the outside of the cutting machine (210), and a detection component (330) is provided on the surface of the cutting machine (210).

2. The electric vehicle seat cushion sponge rapid cutting and molding equipment according to claim 1, characterized in that, The flattening assembly (320) includes two fixed blocks (321) fixedly installed on both sides of the cutting machine (210). A rotating block (322) is rotatably connected to one side of the fixed block (321), and a guide tube (323) is fixedly connected to one side of the rotating block (322). A clamping block (324) is provided at one end of the guide tube (323).

3. The electric vehicle seat cushion sponge rapid cutting and molding equipment according to claim 2, characterized in that, The two fixed blocks (321) on the same side are located on both sides of the cutting machine (210), and a torsion spring (325) is fixedly installed between the fixed block (321) and the adjacent rotating block (322).

4. The electric vehicle seat cushion sponge rapid cutting and molding equipment according to claim 2, characterized in that, One end of the guide tube (323) is slidably connected to a movable rod (327), and the abutting block (324) is disposed at the other end of the movable rod (327). A first spring (326) is fixedly connected between the movable rod (327) and the inner wall of the guide tube (323).

5. The electric vehicle seat cushion sponge rapid cutting and molding equipment according to claim 4, characterized in that, The other end of the movable rod (327) is fixedly connected to a universal joint (328), and the other side of the universal joint (328) is fixedly connected to a retaining block (324).

6. The electric vehicle seat cushion sponge rapid cutting and molding equipment according to claim 4, characterized in that, The abutment block (324) is set at an angle, and a rubber block (329) is fixedly connected to the bottom of the abutment block (324).

7. The electric vehicle seat cushion sponge rapid cutting and molding equipment according to claim 6, characterized in that, The rubber block (329) is set in a hemispherical shape, and the two guide tubes (323) located on both sides of the cutting machine (210) are arranged in a figure-eight shape.

8. The electric vehicle seat cushion sponge rapid cutting and molding equipment according to claim 1, characterized in that, The detection component (330) includes a fixed tube (331) fixedly installed on one side of the cutting machine (210), and a detection wheel (333) is provided at the bottom of the fixed tube (331).

9. The electric vehicle seat cushion sponge rapid cutting and molding equipment according to claim 8, characterized in that, A movable rod (332) is slidably connected to the bottom of the fixed tube (331), and the other end of the movable rod (332) is fixedly connected to the detection wheel (333). A displacement sensor (334) is fixedly installed inside the fixed tube (331).

10. The electric vehicle seat cushion sponge rapid cutting and molding equipment according to claim 8, characterized in that, A fixing ring (335) is fixedly installed inside the fixing tube (331), and a second spring (336) is fixedly connected to the bottom of the fixing tube (331). The other end of the second spring (336) is fixedly connected to the moving rod (332).

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