High-speed guardrail plate cutting and punching integrated machine

Abstract

The application relates to the technical field of high-speed guardrail plate processing, and particularly discloses a high-speed guardrail plate cutting and punching integrated machine, which comprises a feeding machine and a machine body, cutting assemblies and punching assemblies are arranged at the two ends of the machine body, an upper die is arranged below the machine body, a plurality of negative pressure holes are arranged at the bottom of the upper die, the negative pressure holes are connected with a negative pressure source and used for adsorbing a steel plate, a sliding plate is further arranged between the upper die and the machine body, and the opening and closing of the plurality of negative pressure holes can be individually controlled through an electromagnetic valve. The cutting, punching and punching processes are integrated into the same equipment, the continuous processing of the steel plate from the raw material to the finished product is realized, the transportation loss of the multi-equipment circulation in the traditional process is eliminated, the manual intervention link is reduced, the production cycle is greatly shortened, and especially through the linkage design of the cutting assembly and the punching mechanism, the steel plate can directly enter the forming process after being cut off, and the secondary positioning error is avoided.

Description

Technical Field

[0001] This invention relates to the field of highway guardrail processing technology, and in particular to a highway guardrail cutting and punching integrated machine. Background Technology

[0002] The high-speed guardrail cutting and punching integrated machine is a highly efficient automated device specifically designed for road guardrail processing, integrating cutting and punching functions. Precisely controlled by a CNC system, it can quickly complete fixed-length cutting and multi-hole punching of metal sheets, enabling continuous assembly line operation. Its features include high-precision servo positioning, a hydraulic or mechanical punching power module, and a mold system that adapts to material thickness, significantly improving guardrail production efficiency while ensuring consistent hole spacing and cut smoothness, making it suitable for mass production scenarios. The equipment is typically equipped with safety protection devices and waste collection functions, balancing operational safety and environmental protection requirements.

[0003] Existing technology announcement number CN217991634U discloses a high-speed guardrail panel cutting and punching integrated machine, including a processing table. A cutting mounting frame and a set of punching mounting frames are sequentially installed on the processing table along its length to the right. A sheet material conveying mechanism is provided on the processing table. A cutting and punching mechanism is located at the bottom of the cutting mounting frames and the set of punching mounting frames. The cutting and punching mechanism includes a hydraulic cylinder, cutting blades, a cutting groove, a mounting plate, a drive motor, a crankshaft, a set of transmission rods, a set of punching mounting plates, and several punching heads. The sheet material conveying mechanism includes a rotary motor and several conveying rollers. The beneficial effects of this utility model are that the sheet material conveying mechanism located on the processing table uses several conveying rollers to convey the high-speed guardrail panels. Two sets of guide wheels can prevent the high-speed guardrail panels from shifting position during conveying. Furthermore, this integrated machine can simultaneously cut and punch high-speed guardrail panels.

[0004] Existing technologies can only perform cutting and punching. Since the cross-sectional shape of the highway guardrail is wavy, special forming equipment is required to form the plates. This results in low material turnover efficiency and large equipment footprint. Positioning errors are easily caused when transferring semi-finished products and stamping them, increasing the time for repeated calibration. Furthermore, the lack of continuity in the process leads to limited production capacity. Therefore, processing efficiency needs to be improved. Summary of the Invention

[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the invention.

[0006] This invention provides a high-speed guardrail cutting and punching integrated machine, which can solve the efficiency problem of existing technologies. The specific solution is as follows:

[0007] A high-speed guardrail cutting and punching integrated machine includes a feeder and a machine body. Cutting components and punching components are respectively arranged at both ends of the machine body. An upper mold is arranged at the bottom of the machine body, and several negative pressure holes are arranged at the bottom of the upper mold. The negative pressure holes are connected to a negative pressure source and are used to adsorb the steel plate. A sliding plate is also installed between the upper mold and the machine body. The opening and closing of the several negative pressure holes can be individually controlled by a solenoid valve. The punching component includes a punching die. After the steel plate is formed, the solenoid valve controls the closing of the negative pressure holes sequentially, starting from the end closest to the punching die. The negative pressure adsorption force is rendered ineffective by the closed mechanism, allowing the steel plate to automatically align with the inside of the punching die under its own toughness and slide to the inner end of the punching die for punching. By integrating the cutting, punching and punching processes into the same equipment, continuous processing of steel plates from raw materials to finished products is achieved. This design eliminates the transportation losses caused by multiple equipment turnovers in traditional processes, reduces manual intervention, and significantly shortens the production cycle. In particular, the linkage design between the cutting component and the punching mechanism allows the steel plate to directly enter the forming process after cutting, avoiding secondary positioning errors.

[0008] Preferably, the sliding plate is provided with limiting groove structures at both ends, and a limiting protrusion structure matching the limiting groove structure is provided on the top of the inner wall of the machine body. The sliding plate is slidably connected to the top of the inner wall of the machine body. A first telescopic rod is fixedly installed on one end of the sliding plate, and the other end of the first telescopic rod is fixedly connected to the side wall of the machine body. The upper mold and the sliding plate are connected by a second telescopic rod.

[0009] Preferably, a lower mold is provided below the upper mold, and a base is provided at the bottom of the lower mold. A limit rod is fixed on the base, and the two ends of the limit rod are fixedly connected to the two ends of the base. The lower mold moves along the central axis of the limit rod, and a third telescopic rod is connected between the lower mold and the side wall of the base.

[0010] Preferably, the cutting component includes a pressure plate, a blade is fixedly installed on the bottom of the pressure plate and connected to the bottom of the pressure plate, a limit post is fixedly connected to the top of the upper mold, one end of the pressure plate is slidably connected to the limit post, so that the pressure plate and the limit post move up and down synchronously, and a spring is provided on the outer wall of the limit post, with the upper and lower ends of the spring fixedly connected to the top of the limit post and the top of the pressure plate, respectively.

[0011] Preferably, the top of the base is provided with two limiting plates, which are installed on the base through a telescopic structure to adjust the distance between the two limiting plates.

[0012] Preferably, the upper mold has three negative pressure holes inside, the bottom of which is connected to the bottom of the upper mold. The bottom of the upper mold has a flat surface. When the negative pressure holes generate negative pressure, they can adsorb the steel plate onto the bottom of the upper mold.

[0013] Preferably, a distribution pipe is provided above the upper mold, one end of which is connected to a negative pressure pipe, which is connected to a negative pressure pump. A branch pipe is connected below the distribution pipe, and the number and position of the branch pipes correspond to the positions of the three negative pressure holes. Each branch pipe is equipped with an external solenoid valve and an internal valve plate. The opening and closing angle of the valve plate can be controlled by the solenoid valve. By setting up a negative pressure adsorption system, the processing accuracy is ensured to be stable. The negative pressure adsorption device with zone control forms a multi-point flexible fixation of the steel plate during the stamping process. This dynamic adsorption method ensures the positional stability of the steel plate during forming. The zoned solenoid valve control technology facilitates the transfer of the steel plate into the punching mold in subsequent processes.

[0014] Preferably, the upper mold has sub-molds on both sides, which are hinged to the upper mold via torsion springs. The sub-molds are used to separately form the parts on both sides of the steel plate.

[0015] Preferably, an extrusion block is provided above the sub-mold, and the extrusion blocks above the two sub-molds are connected together. A fourth telescopic rod is connected to the top of the upper mold, and the top of the fourth telescopic rod is connected to the top of the extrusion block. The two extrusion blocks are driven to move downward through the fourth telescopic rod, and the two extrusion blocks extrude on both sides of the two sub-molds respectively until the two sub-molds extrude the steel plate into the required shape. The progressive stamping forming is achieved through the combination design of the upper mold and the sub-mold. The upper mold first completes the middle shaping, and then the sub-molds process the two sides of the steel plate. This step-by-step forming method effectively disperses the material stress and avoids local tensile deformation caused by one-time stamping. The torsion spring hinged sub-mold structure gives the mold the ability to self-adjust, which can compensate for the thickness tolerance of different batches of steel plates and ensure the consistency of the wavy profile forming.

[0016] Preferably, the top of the punching die has a movable groove that extends into the interior of the die cavity. A stamping plate is installed inside the movable groove, and a stamping head is installed at the bottom of the stamping plate. A drive sleeve is fixedly connected to the outside of the movable groove. The stamping plate is slidably connected inside the drive sleeve. Pressure is applied by a high-pressure pump, which pushes the stamping plate and the stamping head to move into the interior of the die cavity, thereby punching holes in the steel plate inside the die cavity. The independently set inclined punching die and the forming process form a continuous operation. Precise hole processing is achieved through the combination of gravity self-positioning and hydraulic stamping. The die cavity guiding structure ensures accurate punching position. This design achieves seamless connection between hole processing and forming process, ensuring the structural integrity of the final product.

[0017] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0018] 1. This invention integrates the cutting, stamping and punching processes into the same equipment, realizing continuous processing of steel plates from raw materials to finished products. This design eliminates the transportation losses caused by multiple equipment turnovers in traditional processes, reduces manual intervention, and significantly shortens the production cycle. In particular, through the linkage design of the cutting component and the stamping mechanism, the steel plate can directly enter the forming process after cutting, avoiding secondary positioning errors.

[0019] 2. This invention ensures stable processing accuracy by setting up a negative pressure adsorption system. It adopts a negative pressure adsorption device that can be controlled in zones to form a multi-point flexible fixation of the steel plate during the stamping process. This dynamic adsorption method ensures the positional stability of the steel plate during forming. The zoned solenoid valve control technology facilitates the transfer of the steel plate into the punching mold in subsequent processes.

[0020] 3. This invention achieves progressive stamping by combining an upper die and a sub-die. The upper die first completes the middle shaping, and then the sub-die processes the two sides of the steel plate. This step-by-step forming method effectively disperses material stress and avoids local tensile deformation caused by one-time stamping. The torsion spring hinged sub-die structure gives the die self-adjustment capability, which can compensate for the thickness tolerance of different batches of steel plates and ensure the consistency of the wavy contour forming.

[0021] 4. This invention achieves automatic centering and positioning of raw steel plates through an adjustable limiting plate. The telescopic adjustment mechanism of the limiting plate can adapt to different specifications of plates, making it easy for the steel plates to enter the processing area smoothly. This positioning system effectively prevents the risk of deviation during the stamping process and reduces the probability of mold damage caused by inaccurate positioning.

[0022] 5. This invention uses an independently set inclined punching die to form a continuous production line with the forming process. It achieves precise hole processing through the combination of gravity self-positioning and hydraulic stamping. The die groove guiding structure ensures accurate punching position. This design realizes the seamless connection between hole processing and forming process, and ensures the structural integrity of the final product.

[0023] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the written description and the accompanying drawings. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Wherein:

[0025] Figure 1 This is a perspective view of the entire invention;

[0026] Figure 2 This is the left view of the present invention;

[0027] Figure 3 This is a right view of the present invention;

[0028] Figure 4 The three-dimensional view of the machine body has been removed for this invention;

[0029] Figure 5 This is a perspective view of the invention with the other side of the body removed;

[0030] Figure 6 This is a diagram showing the steel plate feeding status of the present invention;

[0031] Figure 7 This is a diagram showing the cutting state of the steel plate in this invention;

[0032] Figure 8 This is a perspective view of the steel plate after it has been formed according to the present invention;

[0033] Figure 9 This is a diagram showing the state changes of the upper mold and the sub-mold in this invention;

[0034] Figure 10 This is a perspective view of the distribution tube of the present invention;

[0035] Figure 11 This is a cross-sectional view of the distribution pipe and branch pipe of the present invention;

[0036] Figure 12 This is a perspective view of the punching assembly and lower die of the present invention;

[0037] Figure 13 This is a perspective view of the punching assembly of the present invention;

[0038] Figure 14 This is a perspective view of the stamping plate of the present invention;

[0039] Figure 15 This is a perspective view of the punching die of the present invention;

[0040] Figure 16 This is a perspective view of the punching die and steel plate of the present invention.

[0041] The reference numerals in the attached figures are as follows:

[0042] 1. Machine body; 2. Feeder; 3. Steel plate; 4. Sliding plate; 5. First telescopic rod; 6. Second telescopic rod; 7. Upper mold; 8. Base; 9. Lower mold; 10. Limiting rod; 11. Third telescopic rod; 12. Pressure plate; 13. Blade; 14. Limiting post; 15. Spring; 16. Limiting plate; 17. Negative pressure hole; 18. Distribution pipe; 19. Negative pressure pipe; 20. Branch pipe; 21. Solenoid valve; 22. Valve plate; 23. Extrusion block; 24. Fourth telescopic rod; 25. Sub-mold; 26. Inclined plate; 27. Punching die; 28. Die groove; 29. ​​Movable groove; 30. Opening and closing door; 31. Motor; 33. Stamping plate; 34. Drive sleeve; 35. Stamping head. Detailed Implementation

[0043] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form part of the present invention and, together with the embodiments of the present invention, serve to illustrate the principles of the present invention.

[0044] Example 1: As Figure 1 , Figure 2 , Figure 3 As shown, this embodiment provides a high-speed guardrail cutting and punching integrated machine, including a machine body 1, which is installed on the ground. A feeding machine 2 is provided at one end of the machine body 1. In this embodiment, the feeding machine 2 is a roller conveyor. The feeding machine 2 is used to transport the steel plate 3 to be produced to one end of the machine body 1. Then, the cutting component at one end of the machine body 1 cuts the long steel plate 3 into the required length and then stamps it. Then, the punching operation is performed to form the final product.

[0045] like Figure 4 As shown, a sliding plate 4 is provided on the top of the inner wall of the machine body 1. The two ends of the sliding plate 4 are provided with limiting groove structures. Correspondingly, a limiting protrusion structure matching the limiting groove structure is provided on the top of the inner wall of the machine body 1, so that the sliding plate 4 can slide along the top of the inner wall of the machine body 1. A first telescopic rod 5 is fixedly installed on one end of the sliding plate 4, and the other end of the first telescopic rod 5 is fixedly connected to the side wall of the machine body 1, so that the sliding plate 4 can be moved along the plane of the machine body 1 by the first telescopic rod 5. It should be noted that the first telescopic rod 5 can be an electric telescopic rod.

[0046] like Figure 5As shown, a second telescopic rod 6 is fixedly connected to the bottom of the sliding plate 4, and an upper mold 7 is fixedly connected to the bottom of the second telescopic rod 6. The shape of the upper mold 7 matches the top shape of the final product. A lower mold 9 is provided below the upper mold 7, and a base 8 is provided at the bottom of the lower mold 9. The base 8 can be fixed to the side wall of the machine body 1 by bolts and other components, thereby preventing relative displacement between the upper mold 7 and the lower mold 9 during the stamping process, which would cause the final product shape to not meet the requirements. The upper mold 7 is moved downward by the second telescopic rod 6, thereby bringing the upper mold 7 and the lower mold 9 closer to each other, thus forming the flat steel plate 3 into a "wavy" final product (guardrail).

[0047] like Figure 6 As shown, at least two limiting rods 10 are fixed on the base 8, and the two ends of the limiting rods 10 are fixedly connected to the two ends of the base 8. At least two limiting holes (not shown in the figure) matching the limiting rods 10 are opened at the corresponding positions of the lower mold 9. The limiting holes pass through both ends of the lower mold 9, so that the lower mold 9 can move along the central axis of the limiting rods 10. A third telescopic rod 11 is fixedly connected to one end of the lower mold 9, and the other end of the third telescopic rod 11 is fixedly connected to one end of the base 8. The lower mold 9 can be moved by the third telescopic rod 11. It should be noted that the third telescopic rod 11 can be a hydraulic rod or an electric telescopic rod.

[0048] like Figure 7 As shown, a cutting assembly is provided between the machine body 1 and the feeder 2. The cutting assembly includes a pressure plate 12, and a blade 13 is fixedly installed at the bottom of the pressure plate 12. The blade 13 can be connected to the pressure plate 12 by bolts. A limit post 14 is fixedly connected to the top of the upper mold 7. One end of the pressure plate 12 is slidably connected to the limit post 14, so that the pressure plate 12 and the limit post 14 move up and down synchronously. A spring 15 is provided on the outer wall of the limit post 14. The upper and lower ends of the spring 15 are fixedly connected to the top of the limit post 14 and the top of the pressure plate 12, respectively. In order to transmit the downward pressing force of the upper mold 7 to the pressure plate 12, a limit post 14 is fixedly connected to the upper mold 7. A limiting block is provided at the top of the positioning post 14 to ensure that after the spring 15 is compressed to its limit (when the cutting edge of the blade 13 contacts the top surface of the steel plate 3, causing the spring 15 to be compressed to its limit), the limiting block can drive the pressure plate 12 to continue to move downward, so that the blade 13 can cut the steel plate 3 and cut the steel plate 3 raw material to the required length. It should be noted that in the above scheme, when the spring 15 is compressed to its limit, the bottom cutting edge of the blade 13 is lower than the lowest point of the upper die 7, so that the upper die 7 will only start to extrude and form the steel plate 3 downward after the blade 13 has finished cutting the steel plate 3.

[0049] like Figure 8As shown, a limiting plate 16 is provided at the top of the base 8. The function of the limiting plate 16 is to ensure that the steel plate 3 is in the middle of the base 8 when it enters the cutting area, thus avoiding stamping deviation during the stamping process. As shown, there are two limiting plates 16, which are respectively arranged at the front and rear ends of the base 8 and have an appropriate tilt angle at the entrance. It should be noted that the two limiting plates 16 can be installed on the base 8 through a telescopic structure to adjust the spacing of the mold. Specifically, the telescopic structure can be made by opening several threaded holes arranged in a straight line on the base 8, and then installing the two limiting plates 16 on different threaded holes with bolts to adjust the spacing between the two limiting plates 16.

[0050] Example 2: The technical solution of this example differs from that of Example 1 in that, as follows... Figure 9 As shown, a plurality of negative pressure holes 17 are provided inside the upper mold 7. There are at least two negative pressure holes 17. In this embodiment, the number of negative pressure holes 17 is three. The bottom end of the negative pressure hole 17 is connected to the bottom of the upper mold 7. The bottom of the upper mold 7 has a flat surface of a certain area, so that when the bottom of the upper mold 7 contacts the top surface of the steel plate 3, the top surface of the steel plate 3 can fit against the bottom of the upper mold 7. Thus, when the negative pressure hole 17 generates negative pressure, the steel plate 3 can be adsorbed onto the bottom of the upper mold 7.

[0051] like Figure 9 , Figure 10 , Figure 11 As shown, a distribution pipe 18 is provided above the upper mold 7. One end of the distribution pipe 18 is connected to a negative pressure pipe 19, which is connected to a negative pressure pump (not shown in the figure). A branch pipe 20 is connected below the distribution pipe 18. The number and position of the branch pipes 20 correspond to the positions of the three negative pressure holes 17. A solenoid valve 21 is installed on the outside of each branch pipe 20, and a valve plate 22 is installed inside each branch pipe 20. The opening and closing angle of the valve plate 22 can be controlled by the solenoid valve 21. In the above scheme, the negative pressure pump creates negative pressure inside the negative pressure pipe 19, the distribution pipe 18, and the branch pipe 20, which in turn creates negative pressure inside the negative pressure holes 17. Thus, when the top surface of the steel plate 3 contacts the bottom of the upper mold 7, the upper mold 7 can be fixed to the middle position of the steel plate 3 under the action of negative pressure, avoiding displacement during the stamping process.

[0052] In the implementation of the above scheme: the feeder 2 conveys the steel plate 3 to one side of the machine body 1, and then drives the upper mold 7, pressure plate 12 and blade 13 to move downward synchronously through the second telescopic rod 6. When the bottom edge of the blade 13 contacts the top of the steel plate 3, the second telescopic rod 6 continues to drive the upper mold 7 to move downward. When the spring 15 is compressed to its limit, the limit block at the top of the limit post 14 continues to drive the pressure plate 12 and blade 13 to move downward. Then, the blade 13 first cuts the steel plate 3, and then the third telescopic rod 11 drives the lower mold 9 to move away from the feeder 2. Immediately afterwards, as the upper mold 7 continues to descend, the bottom end of the upper mold 7 abuts against the middle of the steel plate 3, and then the negative pressure pump starts working. The negative pressure pump creates negative pressure inside the negative pressure pipe 19, distribution pipe 18, and branch pipe 20, which in turn creates negative pressure inside the negative pressure hole 17. When the top surface of the steel plate 3 contacts the bottom of the upper die 7, the negative pressure keeps the upper die 7 fixed in the middle position of the steel plate 3, preventing displacement during stamping. Then, the third telescopic rod 11 moves the lower die 9, causing one end of the lower die 9 to abut against the end of the base 8 near the feeder 2, before stamping. This design ensures that the steel plate 3 remains in the middle position between the upper die 7 and the lower die 9 throughout the processing, concentrating the applied pressure and preventing it from dispersing at either end of the upper die 7 and the lower die 9, thus ensuring efficient forming.

[0053] Example 3: The technical solution in this example differs from the above examples in that, as follows... Figure 9 As shown, to avoid tensile damage to the middle of the steel plate 3 during a single stamping, auxiliary molds 25 are provided on both sides of the upper mold 7. The auxiliary molds 25 are hinged to both sides of the upper mold 7 via torsion springs. The function of the auxiliary molds 25 is to separately form the portions on both sides of the steel plate 3. The specific working process is as follows: Figure 9 As shown: First, the middle part of the steel plate 3 is formed, and then the two sides of the steel plate 3 are formed separately by rotating the sub-mold 25 downward.

[0054] Continue reading Figure 9 As a solution for driving the rotation of the sub-mold 25, an extrusion block 23 can be provided above the sub-mold 25. The extrusion blocks 23 above the two sub-molds 25 are connected together. A fourth telescopic rod 24 is fixedly connected to the top of the upper mold 7. The top of the fourth telescopic rod 24 is connected to the top of the extrusion block 23. In use, the two extrusion blocks 23 are driven to move downward through the fourth telescopic rod 24. The two extrusion blocks 23 can extrude against the two sides of the two sub-molds 25 respectively until the two sub-molds 25 extrude the steel plate 3 into the required shape.

[0055] Example 4: The technical solution in this example differs from the above examples in that, as follows... Figure 12 , Figure 13 , Figure 14 , Figure 15 , Figure 16 As shown, a punching assembly is provided at the end of the machine body 1 away from the feeder 2. The punching assembly includes an inclined plate 26, which is fixedly connected to the side wall of the machine body 1. A punching die 27 is provided on the inclined plate 26. A die groove 28 matching the finished steel plate 3 is provided in the middle of the punching die 27. The die groove 28 can roughly limit the steel plate 3 inside it (the diameter of the die groove 28 is larger than that of the steel plate 3).

[0056] In the above scheme, after the steel plate 3 is formed by the upper mold 7 and the lower mold 9, the negative pressure hole 17 in the middle of the upper mold 7 adsorbs the steel plate 3. At the same time, the sliding plate 4 is moved towards the inclined plate 26 by the first telescopic rod 5. Then, under the control of the solenoid valve 21, the branch pipe 20 closest to the inclined plate 26 is closed first, allowing external gas to enter the branch pipe 20. This causes the negative pressure adsorption force of the branch pipe 20 to be small. At this time, the steel plate 3 bends downward under its own toughness (the other branch pipes 20 are still in the adsorption state), so that the end of the steel plate 3 is aligned with the entrance of the mold groove 28. Then, the other branch pipes 20 are closed in sequence, and finally the steel plate 3 is completely released. The steel plate 3 automatically slides to the bottom of the mold groove 28 under the action of gravity.

[0057] The top of the punching die 27 is provided with a movable groove 29, which extends into the interior of the die groove 28. A stamping plate 33 is provided inside the movable groove 29, and a stamping head 35 is provided at the bottom of the stamping plate 33. A drive sleeve 34 is fixedly connected to the outside of the movable groove 29. The stamping plate 33 is slidably connected inside the drive sleeve 34. By connecting a high-pressure pump to the top of the drive sleeve 34, pressure is applied through the high-pressure pump to push the stamping plate 33 and the stamping head 35 into the interior of the die groove 28, thereby punching the steel plate 3 inside the die groove 28.

[0058] The bottom end of the punching die 27 is provided with a switch door 30, which is hinged to the bottom of the punching die 27. A motor 31 is also installed at the bottom of the punching die 27. The output shaft of the motor 31 is connected to the hinge shaft of the switch door 30. The opening and closing of the switch door 30 can be controlled by the motor 31.

[0059] In summary, the invention integrates cutting, stamping, and punching processes into a single device, enabling continuous processing of steel plate 3 from raw material to finished product. This design eliminates transportation losses caused by multiple equipment turnovers in traditional processes, reduces manual intervention, and significantly shortens the production cycle. In particular, the linkage design between the cutting component and the stamping mechanism allows steel plate 3 to directly enter the forming process after cutting, avoiding secondary positioning errors. By setting up a negative pressure adsorption system, stable processing accuracy is ensured. The use of a zone-controllable negative pressure adsorption device forms multi-point flexible fixation of the steel plate during stamping, and this dynamic adsorption method ensures the positional stability of the steel plate during forming. The zoned solenoid valve 21 control technology facilitates the transfer of steel plate 3 into the punching die 27 in subsequent processes. The combination design of the upper die 7 and the sub-die 25 achieves progressive stamping forming, with the upper die 7 first completing the middle shaping and then the sub-die 25 processing the steel plate 3. In the two sides of the mold, this step-by-step forming method effectively disperses material stress and avoids local tensile deformation caused by one-time stamping. The torsion spring hinged sub-mold 25 structure gives the mold adaptive adjustment capability, which can compensate for the thickness tolerance of different batches of steel plates and ensure the consistency of the wavy contour forming. The adjustable limit plate 16 realizes the automatic centering and positioning of the raw material steel plate 3. The telescopic adjustment mechanism of the limit plate 16 can adapt to different specifications of plates, which facilitates the smooth entry of the steel plate into the processing area. This positioning system effectively prevents the risk of deviation during the stamping process and reduces the probability of mold damage caused by inaccurate positioning. The independently set inclined punching mold 27 forms a continuous operation with the forming process. The precise hole processing is achieved through the combination of gravity self-positioning and hydraulic stamping. The guide structure of the mold groove 28 ensures the accuracy of the punching position. This design realizes the seamless connection between hole processing and forming process, and ensures the structural integrity of the final product.

[0060] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0061] The terms "first," "second," "third," "fourth," etc. (if present) in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the present application described herein can be implemented, for example, in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0062] The devices or elements referred to in the embodiments of this application or implied herein must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of this application. In the description of the embodiments of this application, "a plurality of" means two or more, unless otherwise precisely specified.

[0063] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A high-speed guardrail cutting and punching integrated machine, comprising a feeder (2) and a machine body (1), wherein a cutting assembly and a punching assembly are respectively provided at both ends of the machine body (1), characterized in that: The lower part of the body (1) is provided with an upper mold (7), and the bottom of the upper mold (7) is provided with several negative pressure holes (17). The negative pressure holes (17) are connected to a negative pressure source. The negative pressure holes (17) are used to adsorb the steel plate (3). A sliding plate (4) is also installed between the upper part of the upper mold (7) and the body (1). The opening and closing of several negative pressure holes (17) can be controlled individually by the solenoid valve (21). The punching assembly includes a punching mold (27). After the steel plate (3) is formed, the negative pressure holes (17) near the punching mold (27) are closed sequentially by controlling the solenoid valve (21), so that the negative pressure adsorption force is invalidated, and the steel plate (3) automatically aligns with the inside of the punching mold (27) under its own toughness and slides to the inside of the punching mold (27) for punching. The cutting assembly includes a pressure plate (12), a blade (13) is fixedly installed at the bottom of the pressure plate (12), the blade (13) is connected to the bottom of the pressure plate (12), a limit post (14) is fixedly connected to the top of the upper mold (7), one end of the pressure plate (12) is slidably connected to the limit post (14), so that the pressure plate (12) and the limit post (14) move up and down synchronously, and a spring (15) is provided on the outer wall of the limit post (14), the upper and lower ends of the spring (15) are fixedly connected to the top of the limit post (14) and the top of the pressure plate (12) respectively; The top of the punching die (27) is provided with a movable groove (29), which extends into the interior of the die groove (28). A stamping plate (33) is provided inside the movable groove (29), and a stamping head (35) is provided at the bottom of the stamping plate (33). A drive sleeve (34) is fixedly connected to the outside of the movable groove (29). The stamping plate (33) is slidably connected inside the drive sleeve (34). Pressure is applied by a high-pressure pump to push the stamping plate (33) and the stamping head (35) to move into the interior of the die groove (28), thereby punching the steel plate (3) inside the die groove (28).

2. The high-speed guardrail cutting and punching integrated machine as described in claim 1, characterized in that: The sliding plate (4) is provided with a limiting groove structure at both ends. A limiting protrusion structure matching the limiting groove structure is provided on the top of the inner wall of the machine body (1). The sliding plate (4) is slidably connected to the top of the inner wall of the machine body (1). A first telescopic rod (5) is fixedly installed on one end of the sliding plate (4). The other end of the first telescopic rod (5) is fixedly connected to the side wall of the machine body (1). The upper mold (7) and the sliding plate (4) are connected by a second telescopic rod (6).

3. The high-speed guardrail cutting and punching integrated machine as described in claim 1, characterized in that: A lower mold (9) is provided below the upper mold (7), and a base (8) is provided at the bottom of the lower mold (9). A limit rod (10) is fixed on the base (8). The two ends of the limit rod (10) are fixedly connected to the two ends of the base (8). The lower mold (9) moves along the central axis of the limit rod (10). A third telescopic rod (11) is connected between the lower mold (9) and the side wall of the base (8).

4. The high-speed guardrail cutting and punching integrated machine as described in claim 1, characterized in that: Two limiting plates (16) are provided at the top of the base (8). The limiting plates (16) are installed on the base (8) through a telescopic structure to adjust the distance between the two limiting plates (16).

5. The high-speed guardrail cutting and punching integrated machine as described in claim 1, characterized in that: The upper mold (7) has three negative pressure holes (17) inside. The bottom of the negative pressure holes (17) is connected to the bottom of the upper mold (7). The bottom of the upper mold (7) has a flat surface. When the negative pressure holes (17) generate negative pressure, the steel plate (3) can be adsorbed onto the bottom of the upper mold (7).

6. The high-speed guardrail cutting and punching integrated machine as described in claim 5, characterized in that: A distribution pipe (18) is provided above the upper mold (7). One end of the distribution pipe (18) is connected to a negative pressure pipe (19). The negative pressure pipe (19) is connected to a negative pressure pump. A branch pipe (20) is connected below the distribution pipe (18). The number and position of the branch pipes (20) correspond to the positions of the three negative pressure holes (17). A solenoid valve (21) is installed on the outside of each branch pipe (20). A valve plate (22) is installed inside each branch pipe (20). The opening and closing angle of the valve plate (22) can be controlled by the solenoid valve (21).

7. The high-speed guardrail cutting and punching integrated machine as described in claim 1, characterized in that: Sub-molds (25) are provided on both sides of the upper mold (7). The sub-molds (25) are hinged to the upper mold (7) via torsion springs. The sub-molds (25) are used to separately form the parts on both sides of the steel plate (3).

8. The high-speed guardrail cutting and punching integrated machine as described in claim 7, characterized in that: An extrusion block (23) is provided above the sub-mold (25). The extrusion blocks (23) above the two sub-molds (25) are connected together. The top of the upper mold (7) is connected to a fourth telescopic rod (24). The top of the fourth telescopic rod (24) is connected to the top of the extrusion block (23). The two extrusion blocks (23) are driven to move downward through the fourth telescopic rod (24). The two extrusion blocks (23) extrude on both sides of the two sub-molds (25) respectively until the two sub-molds (25) extrude the steel plate (3) into the required shape.

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