Automatic feeding and cutting device for automobile steel plate spring

Abstract

The utility model relates to the technical field of steel plate spring cutting devices, in particular to an automatic feeding and cutting device for an automobile steel plate spring. Comprising a feeding support, a driving motor, a driving shaft, a driving wheel, a driven shaft, a driven wheel, a transmission belt, a feeding pulley, a fixed side plate, a rotating support, adjusting springs, an adjusting arc plate, a feeding suction cup, a limiting support, a top pulley, a side pulley, a distance adjusting assembly, a guiding assembly, a cutting assembly and a discharging assembly. An adjusting arc plate is arranged at one end of the adjusting spring, a plurality of sets of feeding suction cups are arranged on the side wall of the adjusting arc plate, a plurality of sets of top pulleys are arranged above the limiting support, and a plurality of sets of side pulleys are arranged on one side of the limiting support. The feeding suction cup tightly adsorbs a plate and rotates along with the rotating support to feed, meanwhile, the feeding pulley assists in sliding, and the top pulley and the side pulleys reduce friction resistance and improve feeding efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel plate spring cutting device technical field especially relates to automobile steel plate spring automatic feeding cutting device. BACKGROUND

[0002] In the automobile manufacturing industry, steel plate spring as the important component of the suspension system, its quality and production efficiency are directly related to the performance and manufacturing cost of the whole vehicle, with the rapid development of industrial automation technology, realizing the automation of steel plate spring processing process has become the urgent demand in the industry.

[0003] In actual use, the existing feeding system often cannot be automatically adjusted to adapt to the change of the plate when facing different sizes of the plate, leading to inaccurate feeding, low efficiency, and even possible damage to the plate or equipment, in addition, although there are some automatic feeding equipment on the market, they mostly have problems such as complex structure, high maintenance cost, and large friction resistance in the feeding process, which not only affects the feeding efficiency, but also increases the production cost, and it is urgent to improve, and then it is inconvenient to improve the feeding efficiency and realize automatic feeding.

[0004] Therefore, aiming at the above-mentioned problems of inconvenient to improve the feeding efficiency and realize automatic feeding, the automobile steel plate spring automatic feeding cutting device can be designed, when the steel plate spring cutting device is used in the process, the operator places the steel plate spring plate to be processed on the feeding support, starts the driving motor to drive the driving shaft to rotate, the driving shaft drives the driving wheel to rotate through the transmission belt, and then the driving shaft drives the rotating support to rotate, the adjusting spring and adjusting arc plate on the rotating support deform to adapt to the size of the plate, the feeding suction cup tightly adsorbs the plate and feeds with the rotating support, at the same time, the feeding pulley assists sliding, the distance adjusting assembly adjusts the distance between the limiting supports according to the width of the plate to stably clamp the plate, the top pulley and the side pulley reduce the friction resistance and improve the feeding efficiency, finally, the plate is accurately fed to the predetermined position, and the cutting assembly completes the cutting operation, then the unloading assembly slides the cut plate to the unloading area, realizing the whole process of automatic feeding, cutting and unloading. SUMMARY

[0005] In order to overcome the problems that the existing feeding system often cannot be automatically adjusted to adapt to the change of the plate when facing different sizes of the plate in the process of using the steel plate spring cutting device, leading to inaccurate feeding, low efficiency, and even possible damage to the plate or equipment, in addition, although there are some automatic feeding equipment on the market, they mostly have problems such as complex structure, high maintenance cost, and large friction resistance in the feeding process, which not only affects the feeding efficiency, but also increases the production cost, and it is urgent to improve, and then it is inconvenient to improve the feeding efficiency and realize automatic feeding.

[0006] The utility model discloses a technical scheme for an automatic feeding and cutting device for automobile steel plate springs, comprising a feeding support, a driving motor, a driving shaft, a driving wheel, a driven shaft, a driven wheel, a transmission belt, a feeding pulley, a fixed side plate, a rotating support, an adjusting spring, an adjusting arc plate, a feeding suction cup, a limiting support, a top pulley, a side pulley, a distance adjusting assembly, a guiding assembly, a cutting assembly and a discharging assembly. The feeding support is internally provided with multiple feeding pulleys. One side of the feeding support is provided with the driving motor. The output end of the driving motor is provided with the driving shaft. The sidewall of the driving shaft is provided with the driving wheel. The outside of the driving wheel is provided with the transmission belt. The driving wheel is rotatably connected with the transmission belt. The top of the feeding support is provided with multiple fixed side plates. The inside of the fixed side plate is provided with the driven shaft. One end of the driven shaft is provided with the driven wheel. The driven wheel is arranged inside the transmission belt. The driven wheel is rotatably connected with the transmission belt. The sidewall of the driven shaft is provided with the rotating support. The sidewall of the rotating support is provided with multiple adjusting springs. One end of the adjusting spring is provided with the adjusting arc plate. The sidewall of the adjusting arc plate is provided with multiple feeding suction cups. The top of the feeding support is provided with the distance adjusting assembly. The top of the distance adjusting assembly is provided with two limiting supports. The top of the limiting support is provided with multiple top pulleys. One side of the limiting support is provided with multiple side pulleys. The inside of the top of the feeding support is provided with multiple guiding assemblies. One end of the feeding assembly is provided with the cutting assembly. The lower part of the cutting assembly is provided with the discharging assembly.

[0007] Preferably, when the steel plate spring cutting device is in use, first, the operator places the automobile steel plate spring material to be processed above the feeding support, then starts the driving motor to drive the driving shaft to rotate, the driving shaft drives the driving wheel to rotate through the transmission belt, and the driving wheel drives the rotating support to rotate through the driven shaft, when the rotating support rotates, the adjusting spring and the adjusting arc plate will deform to adapt to different sizes of the plate material, a plurality of feeding suction cups are installed on the side wall of the adjusting arc plate, and the feeding suction cups can be tightly adsorbed above the plate material under the action of the adjusting spring, with the rotation of the rotating support, the plurality of feeding suction cups drive the plate material to rotate and advance along the direction of the feeding support, at the same time, the plurality of feeding pulleys in the feeding support also assist the sliding of the plate material to make the feeding process more smooth, in addition, the distance adjusting assembly can be adjusted according to the size of the plate material to ensure that the distance between the two limiting supports matches the width of the plate material, so that the plate material can be stably clamped between the limiting supports during the feeding process to avoid deviation or shaking, when the plate material is continuously fed, the plurality of top pulleys and side pulleys can reduce the friction between the plate material and the limiting supports to make the feeding process more efficient and smooth, the device has the advantages of simple structure, convenient operation, high feeding efficiency, etc., and can significantly improve the production efficiency and product quality of the automobile steel plate spring, when the plate material of the steel plate spring is accurately fed to the predetermined position, the cutting assembly can ensure the accuracy and efficiency of the plate material cutting, and when the plate material of the steel plate spring is cut, the discharging assembly safely and orderly transports the plate material to the designated discharging area to complete the entire discharging process.

[0008] Preferably, the distance adjusting assembly comprises a distance adjusting sliding rail, a distance adjusting motor and a distance adjusting bidirectional screw rod, the inside of the feeding support is provided with the distance adjusting sliding rail, one side of the distance adjusting sliding rail is provided with the distance adjusting motor, the output end of the distance adjusting motor is provided with the distance adjusting bidirectional screw rod, and the distance adjusting bidirectional screw rod is arranged in the inside of the distance adjusting sliding rail.

[0009] Preferably, the distance adjusting assembly further comprises a distance adjusting sliding block, two groups of distance adjusting sliding blocks are arranged on the side wall of the distance adjusting bidirectional screw rod, the distance adjusting sliding blocks are in threaded connection with the distance adjusting bidirectional screw rod, and the bottom wall of the limiting support is fixedly connected with the upper side of the distance adjusting sliding block.

[0010] Preferably, the guide assembly comprises a guide sliding groove, a guide sliding block and a guide sliding rod, a plurality of guide sliding grooves are formed on the upper sides of the feeding support, the inside of the guide sliding groove is provided with the guide sliding rod, the side wall of the guide sliding rod is provided with the guide sliding block, the guide sliding block is in sliding connection with the guide sliding rod, and the bottom walls on the two sides of the limiting support are fixedly connected with the upper sides of the two groups of distance adjusting sliding blocks.

[0011] As preferred, the cutting assembly comprises driving cylinders, a fixing support and a cutting knife, one end of the feeding support is provided with the fixing support, two groups of driving cylinders are arranged above the fixing support, and the lower end of the driving cylinder is provided with the cutting knife.

[0012] As preferred, the cutting assembly further comprises a cutting groove, a supporting support and a limiting side plate, the bottom wall of the fixing support is provided with the cutting groove, one side of the fixing support is provided with the supporting support, and the upper side of the supporting support is provided with the limiting side plate.

[0013] As preferred, the discharging assembly comprises a discharging support and a discharging pulley, the lower side of the fixing support is provided with the discharging support, the inside of the discharging support is provided with the discharging pulley, and the discharging pulley is provided with multiple groups.

[0014] The automobile steel plate spring automatic feeding and cutting device has the advantages that:

[0015] When the steel plate spring cutting device is in use, first, the operator places the automobile steel plate spring plate to be processed above the feeding support, then starts the driving motor to drive the driving shaft to rotate, the driving shaft drives the driving pulley to rotate through the transmission belt, the driving pulley drives the driven pulley to rotate through the transmission belt, and the driven pulley drives the rotating support to rotate through the driven shaft. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The automobile steel plate spring automatic feeding and cutting device has the advantages that:

[0017] Figure 2 The first partial three-dimensional structure schematic view of the automobile steel plate spring automatic feeding and cutting device is shown,

[0018] Figure 3 The second partial three-dimensional structure schematic view of the automobile steel plate spring automatic feeding and cutting device is shown,

[0019] Figure 4 The third partial three-dimensional structure schematic view of the automobile steel plate spring automatic feeding and cutting device is shown,

[0020] Mark explanation: 1, feeding support; 2, driving motor; 3, driving shaft; 4, driving wheel; 5, driven shaft; 6, driven wheel; 7, transmission belt; 8, feeding pulley; 9, fixed side plate; 10, rotating support; 11, adjusting spring; 12, adjusting arc plate; 13, feeding suction cup; 14, limiting support; 15, top pulley; 16, side pulley; 101, distance adjusting sliding rail; 102, distance adjusting motor; 103, distance adjusting bidirectional screw; 104, distance adjusting sliding block; 201, guide sliding groove; 202, guide sliding block; 203, guide sliding rod; 301, driving cylinder; 302, fixed support; 303, cutting knife; 304, cutting groove; 305, supporting support; 306, limiting side plate; 401, unloading support; 402, unloading pulley. DETAILED DESCRIPTION

[0021] The utility model will be further explained in connection with the drawings and examples.

[0022] Please refer to Figures 1-4The utility model provides an embodiment: car steel plate spring automatic feeding cutting device, including feeding support 1, driving motor 2, driving shaft 3, driving wheel 4, driven shaft 5, driven wheel 6, transmission belt 7, feeding pulley 8, fixed side plate 9, rotating support 10, adjusting spring 11, adjusting arc plate 12, feeding suction cup 13, limiting support 14, top pulley 15, side pulley 16, distance adjusting assembly, guide assembly, cutting assembly and unloading assembly are provided with multiple sets of feeding pulley 8 in the inside of feeding support 1, and one side of feeding support 1 is provided with driving motor 2, and the output of driving motor 2 is provided with driving shaft 3, and the lateral wall of driving shaft 3 is provided with driving wheel 4, and the outside of driving wheel 4 is provided with transmission belt 7, and driving wheel 4 is rotatably connected with transmission belt 7, and the top of feeding support 1 is provided with multiple fixed side plates 9, and the inside of fixed side plate 9 is provided with driven shaft 5, and one end of driven shaft 5 is provided with driven wheel 6, and driven wheel 6 is arranged in the inside of transmission belt 7, and driven wheel 6 is rotatably connected with transmission belt 7, and the lateral wall of driven shaft 5 is provided with rotating support 10, and the lateral wall of rotating support 10 is provided with multiple adjusting springs 11, and one end of adjusting spring 11 is provided with adjusting arc plate 12, and the lateral wall of adjusting arc plate 12 is provided with multiple feeding suction cups 13, and the top of feeding support 1 is provided with distance adjusting assembly, and the top of distance adjusting assembly is provided with two sets of limiting supports 14, and the top of limiting support 14 is provided with multiple top pulleys 15, and one side of limiting support 14 is provided with multiple side pulleys 16, and the inside of the top of feeding support 1 is provided with multiple guide assemblies, and one end of feeding assembly is provided with cutting assembly, and the below of cutting assembly is provided with unloading assembly.

[0023] Please refer to Figure 2The distance adjusting assembly comprises a distance adjusting slide rail 101, a distance adjusting motor 102 and a distance adjusting bidirectional screw rod 103. The distance adjusting slide rail 101 is arranged in the feeding support 1. The distance adjusting motor 102 is arranged on one side of the distance adjusting slide rail 101. The distance adjusting bidirectional screw rod 103 is arranged on the output end of the distance adjusting motor 102. The distance adjusting bidirectional screw rod 103 is arranged in the distance adjusting slide rail 101. When the distance adjusting motor 102 is started, the distance adjusting bidirectional screw rod 103 can be driven to rotate. The distance adjusting assembly further comprises distance adjusting sliding blocks 104. Two groups of distance adjusting sliding blocks 104 are arranged on the side wall of the distance adjusting bidirectional screw rod 103. The distance adjusting sliding blocks 104 are threadedly connected with the distance adjusting bidirectional screw rod 103. The bottom wall of the limiting support 14 is fixedly connected with the distance adjusting sliding blocks 104. The rotation of the distance adjusting bidirectional screw rod 103 is converted into the linear movement of the distance adjusting sliding blocks 104. Then the two limiting supports 14 on the two sides are driven to move in the opposite directions on the distance adjusting slide rail 101. The guide assembly comprises a guide sliding groove 201, a guide sliding block 202 and a guide sliding rod 203. A plurality of guide sliding grooves 201 are arranged on the upper sides of the feeding support 1. The guide sliding rod 203 is arranged in the guide sliding groove 201. The guide sliding block 202 is arranged on the side wall of the guide sliding rod 203. The guide sliding block 202 is slidably connected with the guide sliding rod 203. The bottom wall of the limiting support 14 is fixedly connected with the distance adjusting sliding blocks 104. Meanwhile, the two ends of the limiting support 14 are slidably connected with the guide sliding rod 203 on the feeding support 1 through the guide sliding block 202. This design ensures the stability and accuracy of the limiting support 14 during the movement. The guide sliding groove 201 and the guide sliding rod 203 further guide the movement track of the limiting support 14 and prevent the deviation. Through this mechanism, the distance adjusting assembly can quickly and accurately adjust the distance between the two limiting supports 14 according to the actual size of the steel plate spring sheet, so as to provide accurate positioning support for the subsequent feeding and cutting operations.

[0024] Please refer to Figures 3-4The cutting assembly comprises driving cylinders 301, a fixed support 302 and a cutting knife 303. One end of the feeding support 1 is provided with the fixed support 302. The upper portion of the fixed support 302 is provided with two groups of driving cylinders 301. The lower end of the driving cylinder 301 is provided with the cutting knife 303. The driving cylinder 301 is started. The power generated by the driving cylinder 301 pushes the cutting knife 303 to move downward. The cutting assembly further comprises a cutting groove 304, a supporting support 305 and a limiting side plate 306. The bottom wall of the fixed support 302 is provided with the cutting groove 304. One side of the fixed support 302 is provided with the supporting support 305. The upper portion of the supporting support 305 is provided with the limiting side plate 306. When the steel plate spring plate material is accurately fed to the predetermined position, the limiting side plate 306 limits the abutment of one end of the plate material, so as to ensure that the plate material is stable and does not move. Then, the driving cylinder 301 is started. The power generated by the driving cylinder 301 pushes the cutting knife 303 to move downward. The cutting knife 303 accurately passes through the cutting groove 304 on the bottom wall of the fixed support 302, and shears the plate material below. In this process, the accurate cooperation of the cutting knife 303 and the cutting groove 304 and the stabilizing effect of the limiting side plate 306 together ensure the accuracy and efficiency of the plate cutting. The unloading assembly comprises an unloading support 401 and an unloading pulley 402. The lower portion of the fixed support 302 is provided with the unloading support 401. The inside of the unloading support 401 is provided with the unloading pulley 402. The unloading pulley 402 is provided with multiple groups. When the steel plate spring plate material is completed after the cutting operation, it will naturally fall to the upper portion of the unloading support 401. At this time, the multiple groups of unloading pulleys 402 play a key role. They guide the plate material to slide in a smooth and continuous manner, and finally safely and orderly convey the plate material to the designated unloading area, thereby completing the entire unloading process.

[0025] When the steel plate spring cutting device is in use, first, the operator places the automobile steel plate spring plate material to be processed on the upper portion of the feeding support 1. Then, the starting of the driving motor 2 can drive the driving shaft 3 to rotate, the driving shaft 3 can drive the driving wheel 4 to rotate, the driving wheel 4 can drive the driven wheel 6 to rotate through the transmission belt 7, the driven wheel 6 can drive the rotating support 10 to rotate through the driven shaft 5,

[0026] When the rotating support 10 rotates, the adjusting spring 11 and the adjusting arc plate 12 will deform to adapt to different sizes of the plate material. A plurality of feeding suction cups 13 are installed on the side wall of the adjusting arc plate 12. These feeding suction cups 13 can be tightly adsorbed on the upper portion of the plate material under the action of the adjusting spring 11. With the rotation of the rotating support 10, the plurality of feeding suction cups 13 will drive the plate material to rotate together and move forward along the direction of the feeding support 1. At the same time, the plurality of feeding pulleys 8 inside the feeding support 1 will also assist the sliding of the plate material, so that the feeding process is more smooth,

[0027] In addition, when the pitch adjusting motor 102 is started, it can drive the pitch adjusting bidirectional screw rod 103 to rotate, and the rotation of the pitch adjusting bidirectional screw rod 103 will be converted into the linear movement of the pitch adjusting sliding block 104, which will drive the two side limiting supports 14 to move in opposite directions on the pitch adjusting sliding rail 101. Meanwhile, the two ends of the limiting support 14 are also connected with the guide sliding block 202 and the guide sliding rod 203 on the feeding support 1 through sliding connection. This design ensures the stability and accuracy of the limiting support 14 during movement. The existence of the guide sliding groove 201 and the guide sliding rod 203 further guides the movement trajectory of the limiting support 14, preventing deviation. Through such a mechanism, the pitch adjusting assembly can quickly and accurately adjust the distance between the two side limiting supports 14 according to the actual size of the steel plate spring sheet, providing accurate positioning support for subsequent feeding and cutting operations, so as to ensure that the distance between the two side limiting supports 14 matches the width of the sheet,

[0028] In this way, during the feeding process, the sheet can be stably clamped between the limiting supports 14, avoiding deviation or shaking. When the sheet is continuously fed, the multiple sets of top pulleys 15 and side pulleys 16 can reduce friction, which can reduce the frictional resistance between the sheet and the limiting support 14, making the feeding process more efficient and smooth. The device has the advantages of simple structure, convenient operation, high feeding efficiency, etc., which can significantly improve the production efficiency and product quality of automobile steel plate springs,

[0029] When the steel plate spring sheet is accurately fed to the predetermined position, the limiting side plate 306 limits the contact of one end of the sheet, ensuring that the sheet is stable and does not move. Then, the driving cylinder 301 is started, and the driving cylinder 301 generates power to drive the cutting knife 303 to move downward. The cutting knife 303 accurately passes through the cutting groove 304 on the bottom wall of the fixed support 302 to shear the sheet below. During this process, the accurate cooperation between the cutting knife 303 and the cutting groove 304, as well as the stabilizing effect of the limiting side plate 306, together ensure the accuracy and efficiency of the sheet cutting,

[0030] When the steel plate spring sheet completes the cutting operation, it will naturally fall onto the upper part of the unloading support 401. At this time, multiple sets of unloading pulleys 402 play a key role, which guide the sheet to slide down in a smooth and continuous manner, and finally safely and orderly transport the sheet to the designated unloading area, thereby completing the entire unloading process.

[0031] Through the above steps, when the steel plate spring cutting device is in use, the operator places the steel plate spring plate to be processed on the feeding support 1, starts the driving motor 2 to drive the driving shaft 3 to rotate, the driving shaft 3 drives the driving wheel 4 to rotate through the transmission belt 7, and the driven wheel 6 rotates, and then the driven shaft 5 drives the rotating support 10 to rotate, the adjusting spring 11 and the adjusting arc plate 12 on the rotating support 10 deform to adapt to the size of the plate, the feeding suction cup 13 tightly adsorbs the plate and feeds the plate while rotating with the rotating support 10, and the feeding pulley 8 assists sliding, the distance adjusting assembly adjusts the distance between the limiting supports 14 according to the width of the plate to stably clamp the plate, the top pulley 15 and the side pulley 16 reduce the friction resistance and improve the feeding efficiency, finally, after the plate is accurately fed to the predetermined position, the cutting operation is completed through the cutting assembly, and then the discharging assembly slides the cut plate to the discharging area, realizing the whole process of automatic feeding, cutting and discharging.

[0032] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. An automatic feeding and cutting device for automobile steel plate spring, comprising a feeding support (1), characterized in that: The device further comprises a driving motor (2), a driving shaft (3), a driving wheel (4), a driven shaft (5), a driven wheel (6), a transmission belt (7), a feeding pulley (8), a fixed side plate (9), a rotating support (10), an adjusting spring (11), an adjusting arc plate (12), a feeding suction cup (13), a limiting support (14), a top pulley (15), a side pulley (16), a distance adjusting assembly, a guiding assembly, a cutting assembly and a discharging assembly. The inside of the feeding support (1) is provided with a plurality of feeding pulleys (8). One side of the feeding support (1) is provided with a driving motor (2). The output end of the driving motor (2) is provided with a driving shaft (3). The side wall of the driving shaft (3) is provided with a driving wheel (4). The outside of the driving wheel (4) is provided with a transmission belt (7). The driving wheel (4) is rotationally connected with the transmission belt (7). The upper side of the feeding support (1) is provided with a plurality of fixed side plates (9). The inside of the fixed side plate (9) is provided with a driven shaft (5). One end of the driven shaft (5) is provided with a driven wheel (6). The driven wheel (6) is arranged in the inside of the transmission belt (7). The driven wheel (6) is rotationally connected with the transmission belt (7). The side wall of the driven shaft (5) is provided with a rotating support (10). The side wall of the rotating support (10) is provided with a plurality of adjusting springs (11). One end of the adjusting spring (11) is provided with an adjusting arc plate (12). The side wall of the adjusting arc plate (12) is provided with a plurality of feeding suction cups (13). The upper side of the feeding support (1) is provided with a distance adjusting assembly. The upper side of the distance adjusting assembly is provided with two limiting supports (14). The upper side of the limiting support (14) is provided with a plurality of top pulleys (15). One side of the limiting support (14) is provided with a plurality of side pulleys (16). The inside of the feeding support (1) is provided with a plurality of guiding assemblies. One end of the feeding assembly is provided with a cutting assembly. The lower side of the cutting assembly is provided with a discharging assembly.

2. The automatic feeding and cutting device for automobile steel plate spring according to claim 1, characterized in that: The distance adjusting assembly comprises a distance adjusting sliding rail (101), a distance adjusting motor (102) and a distance adjusting bidirectional screw rod (103). The inside of the feeding support (1) is provided with a distance adjusting sliding rail (101). One side of the distance adjusting sliding rail (101) is provided with a distance adjusting motor (102). The output end of the distance adjusting motor (102) is provided with a distance adjusting bidirectional screw rod (103). The distance adjusting bidirectional screw rod (103) is arranged in the inside of the distance adjusting sliding rail (101).

3. The automatic feeding and cutting device for automobile steel plate spring according to claim 2, characterized in that: The distance adjusting assembly further comprises a distance adjusting sliding block (104). The side wall of the distance adjusting bidirectional screw rod (103) is provided with two distance adjusting sliding blocks (104). The distance adjusting sliding block (104) is threadedly connected with the distance adjusting bidirectional screw rod (103). The bottom wall of the limiting support (14) is fixedly connected with the upper side of the distance adjusting sliding block (104).

4. The automatic feeding and cutting device for automobile steel plate spring according to claim 2, characterized in that: The guide assembly comprises a guide sliding groove (201), a guide sliding block (202) and a guide sliding rod (203), a plurality of groups of guide sliding grooves (201) are arranged on the upper sides of the feeding support (1), the guide sliding grooves (201) are internally provided with guide sliding rods (203), the sidewalls of the guide sliding rods (203) are provided with guide sliding blocks (202), the guide sliding blocks (202) are in sliding connection with the guide sliding rods (203), and the bottom walls of the limiting supports (14) are fixedly connected with the upper sides of the two groups of distance adjusting sliding blocks (104).

5. The automatic feeding and cutting device for automobile steel plate spring according to claim 2, characterized in that: The cutting assembly comprises a driving cylinder (301), a fixed support (302) and a cutting knife (303), one end of the feeding support (1) is provided with the fixed support (302), the upper side of the fixed support (302) is provided with two groups of driving cylinders (301), and the lower end of the driving cylinder (301) is provided with the cutting knife (303).

6. The automatic feeding and cutting device for automobile steel plate spring according to claim 5, characterized in that: The cutting assembly further comprises a cutting groove (304), a supporting support (305) and a limiting side plate (306), the bottom wall of the fixed support (302) is provided with the cutting groove (304), one side of the fixed support (302) is provided with the supporting support (305), and the upper side of the supporting support (305) is provided with the limiting side plate (306).

7. The automatic feeding and cutting device for automobile steel plate spring according to claim 5, characterized in that: The unloading assembly comprises an unloading support (401) and an unloading pulley (402), the lower side of the fixed support (302) is provided with the unloading support (401), the inside of the unloading support (401) is provided with the unloading pulley (402), and the unloading pulley (402) is provided with a plurality of groups.

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