Automobile leaf spring cutting equipment and cutting method

Abstract

The present invention provides an automobile leaf spring cutting device and a cutting method, comprising a workbench, a track and a cutting machine, wherein a track is fixed horizontally to the rear end of the upper surface of the workbench, a cutting machine is nested and installed on the outer side of the track, a placement table is fixed to the middle part of the upper surface of the workbench, a limiting component is provided on the upper surface of the workbench, and a protective component is provided on the top of the placement table. When the present invention performs vertical cutting on automobile steel plates, the front and rear ends, the upper and lower ends, and the left and right ends of the automobile steel plates can be simultaneously limited and fixed in multiple directions. During and after the cutting process, the automobile steel plates are not easy to shake or bounce up accidentally, the stability and safety performance are high, and the cutting of automobile steel plates is more convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of steel plate cutting equipment, and in particular to an automobile leaf spring cutting device and a cutting method. Background Art

[0002] A leaf spring is an elastic element, mainly composed of multiple spring leaves of different lengths. The function of a leaf spring is to withstand the impact of the wheel on the frame and reduce the severe vibration of the vehicle body. Due to the excellent load-bearing capacity and shock absorption capacity of the leaf spring, it is widely used in automobile manufacturing and plays an important role in automobiles, increasing the driver's comfort and the service life of the car. Since automobile leaf springs have a certain curvature, after bending and forming, it is often necessary to cut off the excess parts on the left and right ends, which requires the use of cutting equipment.

[0003] For example, in the prior art, patent number CN202220710062.1 is an adjustable cutting device for leaf springs. The steel plate to be processed is placed on a storage table. The staff holds the handle and allows the storage table to slide horizontally in the front and back directions in the slide groove until the first magnet block and the second magnet block approach each other and are magnetically attracted to each other, thereby fixing the storage table. The steel plate can be limited by the clamping mechanism to prevent the steel plate from moving when cutting.

[0004] However, when the spring drives the telescopic rod to extend under the action of the rebound force until it abuts against the steel plate to be processed to limit the steel plate, when the subsequent cutting mechanism cuts the steel plate, the steel plate and the telescopic rod are subjected to force at the same time. The telescopic rod after being subjected to force will squeeze the spring, causing the spring to be compressed and causing the telescopic rod to jump up and down in the clamping mechanism. The telescopic rod cannot effectively limit the steel plate, affecting the subsequent normal cutting of the steel plate. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides an automobile leaf spring cutting device and a cutting method to solve the problems described in the above background technology.

[0006] The present invention provides an automobile leaf spring cutting device, comprising a workbench, a track and a cutting machine, wherein a track is laterally fixed to the rear end of the upper surface of the workbench, a cutting machine is nested and installed on the outer side of the track, a placement table is fixed to the middle part of the upper surface of the workbench, a limiting component is provided on the upper surface of the workbench, and a protective component is provided on the top of the placement table.

[0007] As a further solution of the present invention: the limit assembly is composed of a hydraulic cylinder, a connecting plate 1, a fixed pressure plate, an outer support frame, an adjustment rod, an outer fixing frame, a slider, a connecting rod and an outer baffle;

[0008] Specifically, a hydraulic cylinder is fixed to the front and rear ends below the interior of the placing table, a connecting plate is fixed to the outside of the push rod at the output end of the hydraulic cylinder, a fixed pressure plate is fixed to the inner side of the connecting plate through a connecting rod, and external support frames are fixed to the left and right ends of the upper surface of the workbench, and the front and rear ends of the upper surface of the outer support frames are vertically embedded with adjusting rods, external fixing frames are nested on the outsides of the two adjusting rods, and sliders are embedded in the interior of the outer support frames, and connecting rods are horizontally embedded in the front and rear ends below the interior of the outer support frames, and an outer baffle is fixed on the outside between the two connecting rods.

[0009] As a further solution of the present invention: the middle parts of the outer support frame and the placement table are both on the same horizontal plane, the vertical sections of the outer support frame and the placement table are both arranged in a "concave" shape, and the two outer support frames are symmetrically arranged around the longitudinal center axis of the placement table.

[0010] As a further solution of the present invention: the left and right ends of the inner side of the connecting plate are both fixed with fixed pressure plates through connecting rods, and the two fixed pressure plates are symmetrically arranged around the horizontal central axis of the placement table.

[0011] As a further solution of the present invention, the outer wall of the adjusting rod is connected to the inner wall of the outer support frame via a thread, and the outer fixing frame is in an inverted "concave" shape and is closely attached to the upper surface of the outer support frame.

[0012] As a further solution of the present invention: the connecting rod passes through the outer support frame and slides left and right in a horizontal direction inside the outer support frame and the placement table. Anti-slip pads are installed at the front and rear ends of the bottom of the slider. The anti-slip pads are tightly attached to the upper surface of the connecting rod, and the top of the slider extends from above the outer support frame.

[0013] As a further solution of the present invention: the protective assembly is composed of a fixing plate, a limiting frame, a limiting screw, a connecting plate, an adapter plate, a lower pressure plate, an anti-slip plate, an operating rod and an adapter column;

[0014] Specifically, a fixing plate is nested on the outer side of the top of the placing table, and limiting frames are fixed on the left and right ends of the upper and lower surfaces of the fixing plate. Limiting screws are embedded in the interior of the limiting frames, and a connecting plate is nested on the outer side below the limiting screws. An adapter plate is fixed above the outer wall of the connecting plate, and a lower pressure plate is fixed on the bottom end of the connecting plate. An anti-skid plate is fixed on the upper inside of the lower pressure plate, and an operating rod is vertically embedded on the inner and outer sides of the fixing plate, and an adapter column is fixed to the bottom of the operating rod.

[0015] As a further solution of the present invention: the front and rear ends above the front and back surfaces of the fixing plate are embedded with positioning screws, and the front and rear ends above the front and back surfaces of the placing table are opened with limiting holes, and the positioning screws on the fixing plate are just embedded in the limiting holes of the placing table.

[0016] As a further solution of the present invention: a limiting ring is fixed below the outer wall of the operating rod, and the limiting ring is embedded in the limiting frame on the lower surface of the fixed plate. The operating rod rotates left and right in the limiting frame through the limiting ring.

[0017] As a further solution of the present invention: the outer wall of the adapter column and the outer wall of the adapter plate are both provided with latching teeth, the latching teeth of the outer wall of the adapter column are engaged with the latching teeth of the outer wall of the adapter plate, and the latching teeth of the outer wall of the adapter plate rise and fall vertically between the latching teeth of the outer wall of the adapter column.

[0018] As a further solution of the present invention: the outer wall of the limiting screw is connected to the inner wall of the connecting plate by a thread, and the lower pressure plate rotates 30° forward and backward at the lower part of the limiting frame through the connecting plate and the limiting screw.

[0019] As a further solution of the present invention: specifically comprising the following steps:

[0020] S1: Place the automobile steel plate vertically into the groove in the middle of the placement table;

[0021] S2: Move the automobile steel plate left and right so that the left and right ends of the automobile steel plate just move to the inside of the outer support frame, push the outer baffles on both sides to cling to the left and right ends of the automobile steel plate, and then, by twisting the adjustment rod on the outer fixation frame, the outer fixation frame moves downward to cooperate with the outer support frame to clamp and fix the left and right ends of the automobile steel plate at the same time. At this time, the automobile steel plate is subjected to the downward clamping force, which pushes the slider 207 downward so that the protective pad under the slider 207 clings to the upper surface of the connecting rod 208 to limit the connecting rod 208, thereby achieving simultaneous limiting and fixing of the left and right ends of the automobile steel plate;

[0022] S3: Two hydraulic cylinders simultaneously pull the connecting plate 1 toward the center of the placement table, and the fixed pressure plates on the connecting plate 1 simultaneously cling to the front and rear ends of the automobile steel plate for clamping and fixing;

[0023] S4: By turning the operating lever clockwise or counterclockwise, the operating lever passes through the adapter column, adapter plate and connecting plate to drive the lower pressure plate to rotate forward and backward to adjust the angle of the lower pressure plate;

[0024] S5: Nest the fixing plate on the placement table, screw the positioning screw on the fixing plate to insert it into the limiting hole on the placement table, so that the fixing plate is fixed on the placement table, and then screw the limiting screw to rotate inside the connecting plate 2, so that the connecting plate 2 and the lower pressing plate below it move downward to press down the automobile steel plate;

[0025] S6: Start the cutting machine and let it cut the automobile steel plate portion located between the placement table and the outer support frame.

[0026] The present invention provides an automobile leaf spring cutting device and a cutting method, which have the following beneficial effects:

[0027] 1. After the automobile steel plate is placed vertically in the groove in the middle of the placement table, by twisting the adjusting rod on the external fixer, the external fixer moves downward and cooperates with the external support frame to simultaneously press down and clamp the left and right ends of the automobile steel plate. Subsequently, the two hydraulic cylinders simultaneously pull the connecting plate to the middle of the placement table. The pressure plates on the connecting plate are simultaneously tightly attached to the front and rear ends of the automobile steel plate for clamping and fixing. Later, when the fixing plate is nested and fixed on the placement table, the connecting plate and the lower pressure plate underneath it move downward to press down and fix the automobile steel plate, which has a better fixing effect on the automobile steel plate. The automobile steel plate is not easy to shake or fall accidentally during and after cutting.

[0028] 2. After the steel plate is placed on the placement table, turn the operating lever clockwise or counterclockwise to allow the operating lever to drive the lower pressure plate to rotate back and forth through the adapter column, adapter plate and connecting plate, and adjust the inclination angle of the lower pressure plate so that in the subsequent downward movement of the lower pressure plate, the lower pressure plate can be nested on the top of the curved automobile steel plate, thereby fixing automobile steel plates with various curvatures. It has a wider range of applications and a better fixing effect on automobile steel plates, further improving the stability during the subsequent automobile steel plate cutting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a front view schematic diagram of the overall structure of the present invention;

[0030] Figure 2 This is a front view of the local structure of the placement table in the present invention;

[0031] Figure 3 This is a schematic diagram of the partial structure of the pressure plate of the present invention;

[0032] Figure 4 This is an exploded schematic diagram of the local structure of the fixed plate in the present invention;

[0033] Figure 5 It is a front cross-sectional schematic diagram of the local structure of the fixing plate in the present invention;

[0034] Figure 6 This is an exploded schematic diagram of the local structure of the operating rod and the lower pressure plate in the present invention;

[0035] Figure 7 It is a schematic diagram of the explosion of the local structure of the external support frame in the present invention.

[0036] Legend:

[0037] Workbench 1, track 101, cutting machine 102, placement table 2, hydraulic cylinder 201, connecting plate 1 202, fixed pressure plate 203, outer support frame 204, adjusting rod 205, outer fixing frame 206, slider 207, connecting rod 208, outer baffle 209, fixed plate 3, limiting frame 301, limiting screw 302, connecting plate 2 303, adapter plate 304, lower pressure plate 305, anti-slip plate 306, operating rod 307, adapter column 308. DETAILED DESCRIPTION

[0038] Example 1, please refer to Figure 1-7 A vehicle leaf spring cutting device includes a workbench 1, a track 101 and a cutting machine 102. The track 101 is laterally fixed to the rear end of the upper surface of the workbench 1, and the cutting machine 102 is nested and installed on the outer side of the track 101. A placing table 2 is fixed to the middle of the upper surface of the workbench 1. A limiting component is provided on the upper surface of the workbench 1, and a protective component is provided on the top of the placing table 2.

[0039] The limit assembly consists of a hydraulic cylinder 201, a connecting plate 202, a fixed pressure plate 203, an outer support frame 204, an adjustment rod 205, an outer fixing frame 206, a slider 207, a connecting rod 208 and an outer baffle 209;

[0040] A hydraulic cylinder 201 is fixed to the front and rear ends of the lower interior of the placing table 2, a connecting plate 202 is fixed to the outside of the push rod at the output end of the hydraulic cylinder 201, a fixed pressure plate 203 is fixed to the inner side of the connecting plate 202 through a connecting rod, and an outer support frame 204 is fixed to the left and right ends of the upper surface of the workbench 1, and an adjusting rod 205 is vertically embedded in the front and rear ends of the upper surface of the outer support frame 204, and an outer fixing frame 206 is nested on the outside of the two adjusting rods 205, and a slider 207 is embedded in the interior of the outer support frame 204, and a connecting rod 208 is horizontally embedded in the front and rear ends of the lower interior of the outer support frame 204, and an outer baffle 209 is fixed on the outside between the two connecting rods 208;

[0041] The middle of the outer support frame 204 and the placement table 2 are both on the same horizontal plane. The vertical sections of the outer support frame 204 and the placement table 2 are both arranged in a "concave" shape. The two outer support frames 204 are symmetrically arranged around the longitudinal center axis of the placement table 2.

[0042] When the automobile steel plate is placed upright in the groove of the placement table 2, the left and right ends of the moving automobile steel plate are embedded in the outer support frames 204 at the left and right ends of the placement table 2. The outer fixing frame 206 moves downward and cooperates with the outer support frame 204 to simultaneously clamp and fix the upper and lower ends of the left and right sides of the automobile steel plate, thereby preventing it from shaking up and down during the cutting process. At the same time, it can prevent the cut automobile steel plate from bouncing up when the cutting machine 102 cuts the automobile steel plate part located between the outer support frame 204 and the placement table 2, thereby having a high safety performance.

[0043] The left and right ends of the inner side of the connecting plate 202 are fixed with fixed pressure plates 203 through connecting rods. The two fixed pressure plates 203 are symmetrically arranged around the horizontal central axis of the placement table 2.

[0044] Subsequently, the two hydraulic cylinders simultaneously pull the connecting plate to move toward the middle of the placement table. The pressure plates on the connecting plate are simultaneously pressed against the front and rear ends of the automobile steel plate for clamping and fixing. Later, when the fixing plate is nested and fixed on the placement table, the connecting plate and the lower pressure plate below it move downward to press down and fix the automobile steel plate. This has a better fixing effect on the automobile steel plate, and the automobile steel plate is not easy to shake or fall accidentally during and after cutting.

[0045] The outer wall of the adjustment rod 205 is connected to the inner wall of the outer support frame 204 by a thread, and the outer fixing frame 206 is in an inverted "concave" shape and is closely attached to the upper surface of the outer support frame 204;

[0046] When the automobile steel plate is placed vertically into the groove in the middle of the placement table 2, by twisting the adjustment rod 205 on the external fixing frame 206, the adjustment rod 205 drives the external fixing frame 206 to move downward and cooperate with the external support frame 204 to clamp the automobile steel plate downward;

[0047] The connecting rod 208 passes through the outer support frame 204 and slides horizontally left and right inside the outer support frame 204 and the placement table 2. The front and rear ends of the bottom of the slider 207 are installed with anti-slip pads, which are tightly attached to the upper surface of the connecting rod 208. The top of the slider 207 extends from the top of the outer support frame 204.

[0048] By sliding the connecting rod 208 left and right, the outer baffle 209 on the connecting rod 208 can be closely attached to the left and right ends of the automobile steel plate, thereby achieving fixed position limitation for automobile steel plates of various lengths;

[0049] When the outer baffle 209 is tightly attached to the left and right ends of the automobile steel plate, the outer fixing frame 206 moves downward to cooperate with the outer support frame 204 to simultaneously clamp and fix the left and right ends of the automobile steel plate. At this time, the automobile steel plate is subjected to the downward clamping force, which will push the slider 207 to move downward, so that the protective pad under the slider 207 is tightly attached to the upper surface of the connecting rod 208 to limit the connecting rod 208, thereby realizing simultaneous limiting and fixing of the left and right ends and the upper and lower ends of the automobile steel plate, which can effectively prevent the automobile steel plate from shaking or sliding during the cutting process, and has high stability.

[0050] Example 2, please refer to Figure 1-7 , Example 2 differs from Example 1 in that the protection assembly consists of a fixing plate 3, a limiting frame 301, a limiting screw 302, a second connecting plate 303, an adapter plate 304, a lower pressing plate 305, an anti-slip plate 306, an operating rod 307 and an adapter column 308;

[0051] A fixing plate 3 is nested on the outside of the top of the placing table 2. Limiting frames 301 are fixed to the left and right ends of the upper and lower surfaces of the fixing plate 3. Limiting screws 302 are embedded in the interior of the limiting frames 301. A second connecting plate 303 is nested on the outside below the limiting screws 302. An adapter plate 304 is fixed on the upper outer wall of the second connecting plate 303. A lower pressing plate 305 is fixed to the bottom end of the second connecting plate 303. An anti-skid plate 306 is fixed on the upper inner part of the lower pressing plate 305. An operating rod 307 is vertically embedded on the outer inner side of the fixing plate 3. An adapter column 308 is fixed to the bottom of the operating rod 307.

[0052] Positioning screws are embedded in the front and rear ends of the front and rear surfaces of the fixing plate 3, and limiting holes are opened on the front and rear ends of the front and rear surfaces of the placing table 2. The positioning screws on the fixing plate 3 are just embedded in the limiting holes of the placing table 2;

[0053] After the automobile steel plate is placed on the placement table 2, the fixing plate 3 is nested on the top of the placement table 2, and the positioning screws on the fixing plate 3 are screwed into the limiting holes of the placement table 2, so that the fixing plate 3 can be fixed on the placement table 2 to prevent the automobile steel plate on the placement table 2 from accidentally bouncing up during the cutting process;

[0054] After the automobile steel plate is cut, the fixing plate 3 can be disassembled by screwing the positioning screw from the limiting hole of the placement table 2, and the cut automobile steel plate on the placement table 2 can be taken out later;

[0055] A limit ring is fixed below the outer wall of the operating rod 307, and the limit ring is embedded in the limit frame 301 on the lower surface of the fixed plate 3. The operating rod 307 rotates left and right in the limit frame 301 through the limit ring;

[0056] The main function of the limiting ring is to prevent the operating rod 307 from moving up and down during the rotation process by rotating inside the limiting frame 301 by clinging to the inner wall of the limiting frame 301;

[0057] The outer wall of the adapter post 308 and the outer wall of the adapter plate 304 are both provided with latching teeth. The latching teeth on the outer wall of the adapter post 308 mesh with the latching teeth on the outer wall of the adapter plate 304. The latching teeth on the outer wall of the adapter plate 304 rise and fall vertically between the latching teeth on the outer wall of the adapter post 308.

[0058] When the lower pressing plate 305 moves down and nests on the top of the automobile steel plate, the teeth of the adapter plate 304 slide between the teeth on the outer wall of the adapter column 308. The subsequent operating rod 307 can still drive the adapter plate 304 at any height to rotate through the adapter column 308, so that the adapter plate 304 drives the lower pressing plate 305 to rotate through the second connecting plate 303 to adjust the inclination angle of the lower pressing plate 305, so that the front and rear ends of the inner wall of the lower pressing plate 305 can be close to the front and rear ends of the outer wall of the automobile steel plate;

[0059] The outer wall of the limiting screw 302 is connected to the inner wall of the second connecting plate 303 by a thread, and the lower pressing plate 305 rotates 30° forward and backward at the lower part of the limiting frame 301 through the second connecting plate 303 and the limiting screw 302;

[0060] When the steel plate is placed in the groove on the placement table 2, the operating rod 307 is turned clockwise or counterclockwise, so that the operating rod 307 drives the lower pressure plate 305 to rotate back and forth through the adapter column 308, the adapter plate 304 and the connecting plate 2 303, and the inclination angle of the lower pressure plate 305 is adjusted, so that in the subsequent downward movement of the lower pressure plate 305, the lower pressure plate 305 can be nested on the top of the curved automobile steel plate, thereby fixing automobile steel plates with various curvatures, having a wider range of applications, and having a better fixing effect on automobile steel plates, further improving the stability during the subsequent automobile steel plate cutting process.

[0061] Example 3, please refer to Figure 1-7 The difference between Example 3 and Example 2 is that the automobile leaf spring cutting device specifically includes the following steps:

[0062] S1: Place the automobile steel plate vertically into the groove in the middle of the placement table 2;

[0063] S2: Move the automobile steel plate left and right so that the left and right ends of the automobile steel plate just move to the inside of the outer support frame 204, push the outer baffles 209 on both sides to cling to the left and right ends of the automobile steel plate, and then screw the adjustment rod 205 on the outer fixing frame 206. The outer fixing frame 206 moves down and cooperates with the outer supporting frame 204 to clamp and fix the left and right ends of the automobile steel plate at the same time. At this time, the automobile steel plate is subjected to the downward clamping force, which pushes the slider 207 to move down, so that the protective pad under the slider 207 is in close contact with the upper surface of the connecting rod 208 to limit the connecting rod 208, thereby achieving simultaneous limiting and fixing of the left and right ends of the automobile steel plate;

[0064] S3: The two hydraulic cylinders 201 simultaneously pull the connecting plate 202 to move toward the middle of the placement table 2, and the fixed pressure plate 203 on the connecting plate 202 simultaneously clings to the front and rear ends of the automobile steel plate to clamp and fix it;

[0065] S4: By turning the operating rod 307 clockwise or counterclockwise, the operating rod 307 drives the lower pressing plate 305 to rotate forward and backward through the adapter column 308, the adapter plate 304 and the connecting plate 304, thereby adjusting the angle of the lower pressing plate 305;

[0066] S5: The fixing plate 3 is nested on the placement platform 2, and the positioning screw on the fixing plate 3 is screwed to be embedded in the limiting hole on the placement platform 2, so that the fixing plate 3 is fixed on the placement platform 2. Subsequently, the limiting screw 302 is screwed to rotate inside the second connecting plate 303, and the second connecting plate 303 and the lower pressing plate 305 below it move downward to press down the automobile steel plate;

[0067] S6: Start the cutting machine 102 and let the cutting machine 102 cut the automobile steel plate portion located between the placement table 2 and the outer support frame 204.

[0068] The above are only preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the scope of protection of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. An automobile leaf spring cutting device, comprising a workbench, a track and a cutting machine, wherein the track is fixed laterally to the rear end of the upper surface of the workbench, and the cutting machine is nested and installed on the outer side of the track, characterized in that: A placement platform is fixed in the middle of the upper surface of the workbench, a limit assembly is provided on the upper surface of the workbench, and a protective assembly is provided on the top of the placement platform; The limit assembly is composed of a hydraulic cylinder, a connecting plate, a fixed pressure plate, an outer support frame, an adjustment rod, an outer fixing frame, a slider, a connecting rod and an outer baffle; The front and rear ends of the lower part of the placing table are fixed with a hydraulic cylinder, and a connecting plate 1 is fixed to the outside of the push rod at the output end of the hydraulic cylinder, and a fixed pressure plate is fixed to the inner side of the connecting plate 1 through a connecting rod, and the left and right ends of the upper surface of the workbench are fixed with an outer support frame, and the front and rear ends of the upper surface of the outer support frame are vertically embedded with an adjusting rod, and the outer sides of the two adjusting rods are nested with an external fixing frame, and a slider is embedded in the interior of the outer support frame, and the front and rear ends of the lower part of the outer support frame are horizontally embedded with a connecting rod, and an outer baffle is fixed on the outer side between the two connecting rods; The protection assembly is composed of a fixing plate, a limiting frame, a limiting screw, a second connecting plate, an adapter plate, a lower pressure plate, an anti-slip plate, an operating rod and an adapter column; A fixing plate is nested on the outer side of the top of the placing table, and limit frames are fixed on the left and right ends of the upper and lower surfaces of the fixing plate, and a limit screw is embedded in the limit frame on the upper surface of the fixing plate, and a connecting plate 2 is nested on the lower outer side of the limit screw, and an adapter plate is fixed on the upper outer wall of the connecting plate 2, and a lower pressing plate is fixed on the lower end of the connecting plate 2, and an anti-skid plate is fixed on the upper inner part of the lower pressing plate, and an operating rod is vertically embedded on the inner and outer sides of the fixing plate, and an adapter column is fixed on the bottom of the operating rod; The front and rear ends of the front and rear surfaces of the fixing plate are embedded with positioning screws, and the front and rear ends of the front and rear surfaces of the placing platform are opened with limiting holes. The positioning screws on the fixing plate are just embedded in the limiting holes of the placing platform. The outer wall of the limiting screw is connected to the inner wall of the connecting plate 2 by a thread. The lower pressing plate rotates 30° forward and backward at the lower part of the limiting frame through the connecting plate 2 and the limiting screw. A limiting ring is fixed under the outer wall of the operating rod, and the limiting ring is embedded in the limiting frame on the lower surface of the fixed plate. The operating rod rotates left and right in the limiting frame through the limiting ring. The outer wall of the adapter column and the outer wall of the adapter plate are both provided with latches, and the latches on the outer wall of the adapter column are engaged with the latches on the outer wall of the adapter plate. The latches on the outer wall of the adapter plate rise and fall vertically between the latches on the outer wall of the adapter column.

2. The automobile leaf spring cutting equipment according to claim 1, characterized in that: The middle parts of the outer support frame and the placement table are both on the same horizontal plane, the vertical sections of the outer support frame and the placement table are both in a "concave" shape, and the two outer support frames are symmetrically arranged around the longitudinal center axis of the placement table.

3. The automobile leaf spring cutting equipment according to claim 1, characterized in that: The left and right ends of the inner side of the connecting plate are both fixed with fixed pressure plates through connecting rods, and the two fixed pressure plates are symmetrically arranged around the horizontal central axis of the placement table.

4. The automobile leaf spring cutting equipment according to claim 1, characterized in that: The outer wall of the adjusting rod is connected to the inner wall of the outer support frame through a thread, and the outer fixing frame is in an inverted "concave" shape and is tightly attached to the upper surface of the outer support frame.

5. The automobile leaf spring cutting equipment according to claim 1, characterized in that: The connecting rod passes through the outer support frame and slides horizontally left and right inside the outer support frame and the placement table. Anti-slip pads are installed at the front and rear ends of the bottom of the slider. The anti-slip pads are tightly attached to the upper surface of the connecting rod, and the top of the slider extends from above the outer support frame.

6. The cutting method of the automobile leaf spring cutting equipment according to claim 5, characterized in that: The specific steps include: S1: Place the automobile steel plate vertically into the groove in the middle of the placement table; S2: Move the automobile steel plate left and right so that the left and right ends of the automobile steel plate just move to the inside of the outer support frame, push the outer baffles on both sides to cling to the left and right ends of the automobile steel plate, and then screw the adjustment rod on the outer fixation frame, so that the outer fixation frame moves downward to cooperate with the outer support frame to clamp and fix the left and right ends of the automobile steel plate at the same time. At this time, the automobile steel plate is subjected to the downward clamping force, which pushes the slider downward so that the protective pad under the slider clings to the upper surface of the connecting rod to limit the connecting rod, thereby achieving simultaneous limiting and fixing of the left and right ends of the automobile steel plate; S3: Two hydraulic cylinders simultaneously pull the connecting plate 1 toward the center of the placement table, and the pressure plates on the connecting plate 1 simultaneously cling to the front and rear ends of the automobile steel plate for clamping and fixing; S4: By turning the operating lever clockwise or counterclockwise, the operating lever passes through the adapter column, adapter plate and connecting plate 2 to drive the lower pressure plate to rotate forward and backward to adjust the angle of the lower pressure plate; S5: Nest the fixing plate on the placement table, screw the positioning screw on the fixing plate to insert it into the limiting hole on the placement table, so that the fixing plate is fixed on the placement table, and then screw the limiting screw to rotate inside the connecting plate 2, so that the connecting plate 2 and the lower pressing plate below it move downward to press down the automobile steel plate; S6: Start the cutting machine and let it cut the automobile steel plate portion located between the placement table and the outer support frame.

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