A quick sewing device for automobile seat cushion
By combining hydraulic cylinders, clamping plates, and clamping pads, along with a servo motor-driven lead screw and lifting mechanism, the problem of slippage of multi-layered fabrics during sewing is solved, improving the stability and aesthetics of the cushion and increasing production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIANGYANG FUHUANG VEHICLE TRIMS CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-07-24
AI Technical Summary
Existing car seat cushion sewing equipment lacks an effective pressing mechanism, which causes multiple layers of fabric to easily slip during sewing, resulting in wrinkles or misalignment, affecting performance and aesthetics.
The system employs a combination of hydraulic cylinders, clamping plates, and clamping pads. A servo motor drives the lead screw and lead screw seat to move the placement frame. Combined with a lifting mechanism and a pressing mechanism, it ensures the stability of multi-layered fabrics. It utilizes the elastic deformation of rubber material for non-damaging clamping, and a gear mechanism enables the pressure seat to move synchronously downwards to compact the fabric.
It effectively prevents the cushion from shifting and the layers from misaligning during the sewing process, improving the stability and aesthetics of the sewing, and increasing production efficiency.
Smart Images

Figure CN224548709U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of automotive seat cushion processing equipment technology, and in particular to a rapid sewing device for automotive seat cushions. Background Technology
[0002] With the rapid development of the automotive industry, people are using cars more and more frequently. In order to ensure the comfort of drivers and passengers, people often add car seat cushions after purchasing a car, so as to make the driver and passengers more comfortable when riding. Car seat cushions are often sewn together using sewing equipment during the production process.
[0003] A search revealed a patent document with authorization announcement number CN214655617U, which discloses a rapid sewing device for car seat cushions. The device includes a workbench, a mounting frame, a conveyor chain, and a sewing structure. A lighting fixture, a monitoring camera, and an alarm light are fixedly connected to the top of the mounting frame. Multiple positioning boxes are fixedly connected to the conveyor chain. Positioning grooves are formed on the left inner wall of each positioning box, and a clamping structure is installed inside each box. A fixing plate is fixedly connected to the middle section of the upper surface of the workbench, and a controller is fixedly connected to the upper surface of the fixing plate. This device uses a clamping structure to quickly and securely fix the car seat cushions within the positioning boxes, and a sewing structure to sew the car seat cushions. The positioning rods, in conjunction with the positioning grooves, allow the car seat cushions to be quickly positioned on the conveyor chain, preventing sewing deviations. The lighting fixture improves visibility during operation, ensuring sewing accuracy. The monitoring camera, along with the alarm light, monitors and alerts for defective products, improving production quality.
[0004] In practical use, it was found that traditional devices lack an effective pressing mechanism. For multi-layered fabric cushions, it is impossible to tightly press each layer of fabric together. During sewing, the layers are prone to relative slippage, resulting in wrinkles or misalignment, which affects the performance and aesthetics of the cushion. Therefore, we have proposed a rapid sewing device for car cushions to solve the above problems. Utility Model Content
[0005] The purpose of this application is to address the shortcomings of existing technologies, such as the tendency for relative slippage between layers during sewing, resulting in wrinkles or misalignment that affects the performance and aesthetics of the seat cushion. Therefore, this application proposes a rapid sewing device for car seat cushions.
[0006] The above-mentioned technical objective of this application is achieved through the following technical solution: a rapid sewing device for automobile seat cushions, comprising a support platform, a function box slidably mounted on the top of the support platform, a sewing machine frame fixedly mounted on the top of the support platform, the sewing machine frame located on the right side of the function box, a machine head mounted on the sewing machine frame, a servo motor fixedly mounted on the left side of the function box, an adjustment mechanism between the servo motor and the function box, a seat hole opened on the top of the function box, a placement frame slidably mounted on the top of the function box, a clamping mechanism mounted on the placement frame; vertical boxes fixedly mounted on the front and rear sides of the placement frame, a lifting mechanism mounted inside the vertical boxes, a pressing mechanism mounted inside the vertical boxes, and sliding holes opened on the adjacent sides of the two vertical boxes.
[0007] A further configuration of this application is as follows: the adjustment mechanism includes a lead screw and a lead screw seat, the lead screw is fixedly installed on the output shaft of the servo motor, the right end of the lead screw is rotatably connected to the inner wall of the right side of the function box, the lead screw seat is threaded on the lead screw, the lead screw seat is slidably connected to the seat hole, and the top of the lead screw seat is fixedly connected to the bottom of the placement frame.
[0008] By adopting the above technical solution and by setting an adjustment mechanism, the servo motor can drive the lead screw seat to move left and right, thereby achieving the purpose of moving the car seat cushion left and right through the placement frame.
[0009] A further feature of this application is that the clamping mechanism includes a hydraulic cylinder, a clamping plate, and a clamping pad. Hydraulic cylinders are provided on both sides of the placement frame. The output shaft of the hydraulic cylinder extends into the placement frame. A clamping plate is fixedly installed on the output shaft of the hydraulic cylinder. The bottom of the clamping plate is slidably connected to the inner wall of the bottom of the placement frame. A clamping pad is provided on the inner side of the clamping plate.
[0010] By adopting the above technical solution and by setting up a clamping mechanism, the hydraulic cylinder can drive the clamping pad to make close contact with the edge of the seat cushion, so as to achieve non-damaging clamping by utilizing the elastic deformation of the rubber material and avoid the seat cushion shifting during the sewing process.
[0011] A further configuration of this application is as follows: the lifting mechanism includes two screws and two screw seats. The same screw is rotatably installed on the inner wall of the top and the inner wall of the bottom of the vertical box. Screw seats are threaded on the screws. Connecting seats are fixedly installed on the adjacent side of the two screw seats. The connecting seats are slidably connected to the sliding holes. A gear mechanism is provided between the screws and the corresponding clamping plates.
[0012] By adopting the above technical solution and by setting up a lifting mechanism, the screw can drive the screw seat to move downward, thereby achieving the purpose of driving the pressure seat and pressure pad to move downward.
[0013] A further configuration of this application is as follows: the gear mechanism includes a rack plate and a gear, a rack plate is fixedly installed on the inner side of both clamping plates, a gear is fixedly sleeved on the screw, the gear is located below the screw seat, and the rack plate meshes with the corresponding gear.
[0014] By adopting the above technical solution and by setting a gear mechanism, the clamping plate can drive the screw to rotate.
[0015] A further feature of this application is that the pressing mechanism includes a pressing seat and a pressing pad, the pressing seat is slidably installed on the inner side of the vertical box, the pressing seat is provided with a pressing pad at the bottom, and the pressing seat is fixedly connected to the corresponding connecting seat.
[0016] By adopting the above technical solution and setting up a pressing mechanism, the pressing pad can be pressed onto the surface of the cushion, thereby compacting multiple layers of fabric, enhancing the stability of the cushion, ensuring that each layer moves synchronously during sewing, and avoiding wrinkles or misalignment.
[0017] A further feature of this application is that a handle is provided on the front side of the functional box, and a handle cover is provided on the handle.
[0018] By adopting the above technical solution and by setting a handle, the staff can easily push the functional box through the handle, which can move the car seat cushion back and forth for sewing.
[0019] A further feature of this application is that a limiting rod is fixedly installed on the outer side of the clamping plate, the limiting rod is located above the hydraulic cylinder, and the limiting rod is slidably connected to the placement frame.
[0020] By adopting the above technical solution and setting a limit rod, the clamping plate can move more smoothly when moving left and right.
[0021] A further feature of this application is that: both sides of the vertical box are provided with plate holes, and the rack plate is adapted to the plate holes.
[0022] By adopting the above technical solution, and by setting plate holes, the plate holes provide a moving channel for the rack plate.
[0023] A further feature of this application is that the same fixing rod is fixedly installed on the inner walls of both sides of the functional box, the fixing rod is located above the lead screw, and the lead screw seat is slidably sleeved on the fixing rod.
[0024] By adopting the above technical solution and setting a fixed rod, the lead screw seat can move more smoothly when moving left and right.
[0025] The beneficial effects of this application are:
[0026] By combining the hydraulic cylinder, clamping plate and clamping pad, the hydraulic cylinder can drive the clamping plate to slide along the inner wall of the bottom of the placement frame. The clamping pad on the inner side can make close contact with the edge of the cushion. The elastic deformation of the rubber material can be used to achieve non-damaging clamping and prevent the cushion from shifting during the sewing process.
[0027] Through the cooperation of rack, gear, screw, screw seat, pressure seat and pressure pad, the clamping plate can drive the pressure seat to move down synchronously, and the pressure pad at the bottom can press onto the surface of the cushion, thus compacting multiple layers of fabric, enhancing the stability of the cushion, ensuring that each layer moves synchronously during sewing, and avoiding wrinkles or misalignment.
[0028] By coordinating the servo motor, lead screw, and lead screw seat, the servo motor can drive the lead screw seat to move left and right, and the position of the seat cushion can be adjusted left and right by the placement frame. This facilitates the sewing of both sides of the seat cushion, thereby avoiding the need for secondary fixing of the seat cushion and improving production efficiency. Attached Figure Description
[0029] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0030] Figure 1 This is a three-dimensional structural schematic diagram of a rapid sewing device for automobile seat cushions according to this application;
[0031] Figure 2 This is a schematic diagram of the internal structure of the functional box of a rapid sewing device for car seat cushions according to this application;
[0032] Figure 3 This is a schematic diagram of the internal structure of the vertical box of a rapid sewing device for automobile seat cushions according to this application;
[0033] Figure 4 This is a schematic diagram of structure A of a rapid sewing device for automobile seat cushions according to this application.
[0034] In the diagram: 1. Support platform; 2. Function box; 101. Sewing machine frame; 201. Servo motor; 202. Lead screw; 203. Lead screw seat; 7. Seat hole; 3. Placement rack; 4. Vertical box; 8. Sliding hole; 301. Hydraulic cylinder; 302. Clamping plate; 303. Clamping pad; 401. Screw; 402. Screw seat; 403. Connecting seat; 5. Rack plate; 501. Gear; 404. Pressure pad; 405. Pressure seat; 6. Handle; 9. Plate hole. Detailed Implementation
[0035] The technical solution of this application will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0036] See Figures 1-4 This application provides a rapid sewing device for car seat cushions, including a support platform 1, a function box 2 slidably mounted on the top of the support platform 1, a sewing machine frame 101 fixedly mounted on the top of the support platform 1, the sewing machine frame 101 being located on the right side of the function box 2, a machine head being provided on the sewing machine frame 101, a servo motor 201 fixedly mounted on the left side of the function box 2, an adjustment mechanism being provided between the servo motor 201 and the function box 2, a seat hole 7 being provided on the top of the function box 2, a placement frame 3 slidably mounted on the top of the function box 2, a clamping mechanism being provided on the placement frame 3, vertical boxes 4 being fixedly mounted on the front and rear sides of the placement frame 3, a lifting mechanism being provided inside the vertical boxes 4, a pressing mechanism being provided inside the vertical boxes 4, and sliding holes 8 being provided on the adjacent sides of the two vertical boxes 4.
[0037] Specifically, the adjustment mechanism includes a lead screw 202 and a lead screw seat 203. The lead screw 202 is fixedly installed on the output shaft of the servo motor 201. The right end of the lead screw 202 is rotatably connected to the inner wall of the right side of the function box 2. The lead screw seat 203 is threaded on the lead screw 202. The lead screw seat 203 is slidably connected to the seat hole 7. The top of the lead screw seat 203 is fixedly connected to the bottom of the placement frame 3.
[0038] Specifically, the clamping mechanism includes a hydraulic cylinder 301, a clamping plate 302, and a clamping pad 303. Hydraulic cylinders 301 are provided on both sides of the placement frame 3. The output shaft of the hydraulic cylinder 301 extends into the placement frame 3. The clamping plate 302 is fixedly installed on the output shaft of the hydraulic cylinder 301. The bottom of the clamping plate 302 is slidably connected to the inner wall of the bottom of the placement frame 3. The clamping pad 303 is provided on the inner side of the clamping plate 302.
[0039] Specifically, the lifting mechanism includes two screws 401 and two screw seats 402. The same screw 401 is rotatably installed on the inner wall of the top and bottom of the vertical box 4. The screw seat 402 is threaded on the screw 401. A connecting seat 403 is fixedly installed on the adjacent side of the two screw seats 402. The connecting seat 403 is slidably connected to the sliding hole 8. A gear mechanism is provided between the screw 401 and the corresponding clamping plate 302.
[0040] Specifically, the gear mechanism includes a rack plate 5 and a gear 501. The rack plate 5 is fixedly installed on the inner side of both clamping plates 302, and the gear 501 is fixedly sleeved on the screw 401. The gear 501 is located below the screw seat 402, and the rack plate 5 meshes with the corresponding gear 501.
[0041] Specifically, the clamping mechanism includes a pressure seat 405 and a pressure pad 404. The pressure seat 405 is slidably installed inside the vertical box 4, and the pressure pad 404 is provided at the bottom of the pressure seat 405. The pressure seat 405 is fixedly connected to the corresponding connecting seat 403.
[0042] Specifically, a handle 6 is provided on the front side of the function box 2, and a handle cover is provided on the handle 6.
[0043] Specifically, a limit rod is fixedly installed on the outside of the clamping plate 302. The limit rod is located above the hydraulic cylinder 301 and is slidably connected to the placement frame 3.
[0044] Specifically, the vertical box 4 has plate holes 9 on both sides, and the rack plate 5 is adapted to the plate holes 9.
[0045] Specifically, the same fixing rod is fixedly installed on the inner walls of both sides of the function box 2. The fixing rod is located above the lead screw 202, and the lead screw seat 203 is slidably sleeved on the fixing rod.
[0046] In this application, during operation, the car seat cushion is first laid flat in the placement frame 3. The hydraulic cylinders 301 on both sides of the placement frame 3 are activated by the controller. Their output shafts can push the clamping plate 302 to slide along the inner wall of the bottom of the placement frame 3. The clamping pad 303 on the inner side can make close contact with the edge of the seat cushion, achieving non-damaging clamping by utilizing the elastic deformation of the rubber material, thus preventing the seat cushion from shifting during sewing. When the clamping plate 302 moves, the rack plate 5 fixed on its inner side moves laterally synchronously, which can mesh with the gear 501 at the lower end of the screw 401 in the vertical box 4, driving the screw 401 to rotate. This allows the threaded screw seat 402 to move downward along the screw 401, pushing the pressure seat 405 down the inner groove of the vertical box 4 through the connecting seat 403. The pressure pad 404 at its bottom can press against the surface of the seat cushion, thus compacting the multiple layers of fabric, enhancing the stability of the seat cushion, ensuring that each layer moves synchronously during sewing, and preventing wrinkles. The purpose of wrinkling or misalignment is as follows: Next, the operator holds the handle 6 and pushes the function box 2 back and forth, causing it to slide on the support platform 1. This moves the placement frame 3 and the seat cushion back and forth, enabling the sewing area to be aligned with the bottom of the sewing machine head 101 for effective sewing. After one side of the seat cushion is sewn, the servo motor 201 is started, and its output shaft drives the lead screw 202 to rotate. The threaded lead screw seat 203 moves left and right along the lead screw 202 under the guidance of the fixed rod, which moves the placement frame 3 laterally. This allows for left and right adjustment of the seat cushion position, facilitating sewing on both sides of the seat cushion. This also avoids the need for secondary fixing of the seat cushion, improving production efficiency. During this process, the sliding cooperation between the limiting rod and the placement frame 3 prevents the clamping plate 302 from tilting. The plate hole 9 provides a moving channel for the rack plate 5. The sleeve structure between the fixed rods on both sides of the function box 2 and the lead screw seat 203 ensures stable operation of the device.
Claims
1. A rapid sewing device for automobile seat cushions, characterized in that, Includes a support platform (1), a function box (2) is slidably mounted on the top of the support platform (1), a sewing machine frame (101) is fixedly mounted on the top of the support platform (1), the sewing machine frame (101) is located on the right side of the function box (2), a machine head is provided on the sewing machine frame (101), a servo motor (201) is fixedly mounted on the left side of the function box (2), an adjustment mechanism is provided between the servo motor (201) and the function box (2), a seat hole (7) is opened on the top of the function box (2), a placement rack (3) is slidably mounted on the top of the function box (2), and a clamping mechanism is provided on the placement rack (3); The placement rack (3) has vertical boxes (4) fixedly installed on both the front and rear sides. The vertical boxes (4) are equipped with lifting mechanisms and pressing mechanisms. Sliding holes (8) are opened on the adjacent sides of the two vertical boxes (4).
2. The rapid sewing device for automobile seat cushions according to claim 1, characterized in that: The adjustment mechanism includes a lead screw (202) and a lead screw seat (203). The lead screw (202) is fixedly installed on the output shaft of the servo motor (201). The right end of the lead screw (202) is rotatably connected to the inner wall of the right side of the function box (2). The lead screw seat (203) is threaded on the lead screw (202). The lead screw seat (203) is slidably connected to the seat hole (7). The top of the lead screw seat (203) is fixedly connected to the bottom of the placement frame (3).
3. The rapid sewing device for automobile seat cushions according to claim 1, characterized in that: The clamping mechanism includes a hydraulic cylinder (301), a clamping plate (302), and a clamping pad (303). Hydraulic cylinders (301) are provided on both sides of the placement frame (3). The output shaft of the hydraulic cylinder (301) extends into the placement frame (3). A clamping plate (302) is fixedly installed on the output shaft of the hydraulic cylinder (301). The bottom of the clamping plate (302) is slidably connected to the inner wall of the bottom of the placement frame (3). A clamping pad (303) is provided on the inner side of the clamping plate (302).
4. The rapid sewing device for automobile seat cushions according to claim 1, characterized in that: The lifting mechanism includes two screws (401) and two screw seats (402). The same screw (401) is rotatably installed on the inner wall of the top and the inner wall of the bottom of the vertical box (4). The screw (401) is threaded with a screw seat (402). A connecting seat (403) is fixedly installed on the adjacent side of the two screw seats (402). The connecting seat (403) is slidably connected to the sliding hole (8). A gear mechanism is provided between the screw (401) and the corresponding clamping plate (302).
5. A rapid sewing device for automobile seat cushions according to claim 4, characterized in that: The gear mechanism includes a rack plate (5) and a gear (501). The rack plate (5) is fixedly installed on the inner side of both clamping plates (302). The gear (501) is fixedly sleeved on the screw (401). The gear (501) is located below the screw seat (402). The rack plate (5) meshes with the corresponding gear (501).
6. The rapid sewing device for automobile seat cushions according to claim 1, characterized in that: The pressing mechanism includes a pressing seat (405) and a pressing pad (404). The pressing seat (405) is slidably installed on the inner side of the vertical box (4). The pressing pad (404) is provided at the bottom of the pressing seat (405). The pressing seat (405) is fixedly connected to the corresponding connecting seat (403).
7. The rapid sewing device for automobile seat cushions according to claim 1, characterized in that: The front of the functional box (2) is provided with a handle (6), and a handle cover is provided on the handle (6).
8. A rapid sewing device for automobile seat cushions according to claim 3, characterized in that: A limiting rod is fixedly installed on the outside of the clamping plate (302). The limiting rod is located above the hydraulic cylinder (301) and is slidably connected to the placement frame (3).
9. A rapid sewing device for automobile seat cushions according to claim 5, characterized in that: The vertical box (4) has plate holes (9) on both sides, and the rack plate (5) is adapted to the plate holes (9).
10. A rapid sewing device for automobile seat cushions according to claim 2, characterized in that: The same fixing rod is fixedly installed on the inner walls of both sides of the functional box (2). The fixing rod is located above the lead screw (202), and the lead screw seat (203) is slidably sleeved on the fixing rod.