An automatic punching and conveying device for guardrail posts

Abstract

This invention relates to the field of post processing technology, and particularly to an automatic punching and conveying device for guardrail posts. It includes a frame and two symmetrically positioned support plates fixedly mounted on it. A support mechanism is provided between the two support plates, and a pushing mechanism is provided on the frame. The support mechanism includes sliding columns and an adjusting part. Multiple sliding columns are slidably mounted on both support plates from left to right, and deformable parts are hinged between two directly opposite sliding columns via pins. The invention achieves continuous post processing by coordinating an alternating pushing system composed of two movable frames with a support system composed of deformable rollers. This meets the support requirements of posts of different shapes, eliminating the need to change support components according to post shape. This increases the practicality of the equipment, improves the efficiency of batch post processing, and ensures the effective support of the posts.

Description

Technical Field

[0001] This invention relates to the field of post processing technology, and in particular to an automatic punching and conveying device for guardrail posts. Background Technology

[0002] Guardrail posts are core supporting components of highway, municipal, and landscaping protection systems. Vertically fixed to the ground, they support the horizontal guardrail and absorb collision energy. The posts are hollow, with round and square shapes being the most common. To connect the posts to the guardrail, holes need to be punched at specific heights on the posts. Currently, this is mainly achieved by a pushing mechanism in an automatic punching device that clamps one end of the post and inserts the other end into the die positioning hole of the punching machine. The pushing mechanism then quantitatively pushes the post along its axis to a preset hole spacing distance. Each push completes one punching action. After the hole is processed, the pushing mechanism returns to its initial position, releases the current post, and then clamps the next post to be processed, repeating the clamping, pushing, punching, and resetting process.

[0003] Currently, the following problems exist in the process of pushing columns for punching: First, after completing the punching of a single column, a single pushing mechanism must completely return to its initial position before releasing the current column and re-clamping the next column to begin the next processing. The idle travel waiting time generated by this resetting, releasing, and re-clamping process reduces the overall processing efficiency. Second, the existing structure for supporting the movement of square columns cannot effectively accommodate the planar support of square columns and the arc support of round columns while preventing rolling. This results in the need to replace the fixed support component with poor versatility and ineffectiveness when switching processing objects. This also increases the operation time and affects the clamping positioning accuracy and stability.

[0004] Therefore, the incompatibility of traditional support structures with square and round columns leads to reduced workpiece positioning accuracy and time-consuming replacement. The accumulated waiting time caused by the reset idle stroke of the single pusher mechanism reduces production efficiency, which is a technical problem that needs to be solved by those skilled in the art. Summary of the Invention

[0005] In view of the above problems, embodiments of the present invention provide an automatic punching and conveying device for guardrail posts to solve the aforementioned technical problems.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an automatic punching and conveying device for guardrail posts, comprising a frame and two symmetrically arranged support plates fixedly mounted thereon; a supporting mechanism is provided between the two support plates, and a pushing mechanism is provided on the frame; the supporting mechanism includes sliding columns and an adjusting part, and multiple sliding columns are slidably installed on both support plates from left to right, and a deformable component is hinged between the two front-to-back sliding columns by a pin, the deformable component consisting of three rollers sequentially hinged by pins, with rollers rotatably mounted on the rollers; when the two front-to-back sliding columns and the corresponding three rollers are in a straight line, a supporting mechanism is formed. The support plane for the square column; after the lifting part drives the central roller to move down, the three rollers change to an inverted V-shape, forming a limiting area to support the round column; the pushing mechanism includes a fixed plate, a moving frame and a driving part. Fixed plates are arranged on opposite sides of the two support plates and fixedly installed on the equipment frame. Two inverted concave moving frames are slidably installed on the two fixed plates. Each of the two moving frames is equipped with a clamping part for clamping the fixed column; the two moving frames adjust their positions by lifting and staggering, and move left and right alternately under the drive of the driving part to push the column: the two moving frames complete the position exchange without interference, realizing the continuous pushing of the column.

[0007] As a preferred embodiment, the pushing mechanism also includes a sliding component. The sliding components are slidably arranged at both the front and rear ends of the fixed plate. The sliding components are equipped with connecting blocks that slide up and down. The two vertical sections of one of the moving frames are fixedly connected to the two connecting blocks between the two fixed plates, and the two vertical sections of the other moving frame are fixedly connected to the remaining two connecting blocks.

[0008] As a preferred embodiment, the sliding assembly includes a slide block. Two vertically symmetrical slide blocks are slidably mounted on the side end of the fixed plate. A pair of limiting rods are fixedly mounted between the two vertically symmetrical slide blocks, and a connecting block is slidably mounted on each pair of limiting rods.

[0009] As a preferred embodiment, the drive unit includes a transmission assembly. The transmission assembly is provided at each position on the equipment frame corresponding to the fixed plate. The transmission assembly consists of four rectangularly distributed synchronous wheels that are rotatably mounted on the equipment frame. The four synchronous wheels are connected to a conveyor belt for transmission. The two slides corresponding to the same fixed plate and located below are respectively fixedly connected to the two transverse sections of the corresponding conveyor belt.

[0010] As a preferred embodiment, the adjusting part includes a connecting shaft, a connecting shaft is coaxially fixedly mounted on the pin of the roller, a support plate is provided between the two support plates, and the connecting shafts at both ends of the roller in the middle are fixedly connected to the support plate through shaft seats.

[0011] As a preferred embodiment, the fixing plate is provided with a limiting component for restricting the movement of the connecting block; the limiting component includes a rectangular groove, and the front and rear end faces of the fixing plate are provided with rectangular grooves, and the connecting block is rotatably mounted with a guide post that slides in cooperation with the corresponding rectangular groove.

[0012] As a preferred embodiment, the clamping part includes a sliding rod. A mounting plate is slidably mounted on the lower end of the horizontal section of the moving frame via a pair of sliding rods. A gripper cylinder is mounted on the mounting plate. A cylinder is fixedly mounted on the upper end of the horizontal section of the moving frame. The telescopic section of the cylinder slides through the moving frame and is fixedly connected to the corresponding mounting plate.

[0013] As a preferred embodiment, the mobile frame is equipped with a lifting component for driving the mobile frame to rise and fall; the lifting component includes a rectangular plate, the rectangular plate is fixedly installed on the left end of the rear vertical section of the mobile frame, a second cylinder is fixedly installed on the left end of the rectangular plate, and the telescopic section of the second cylinder is fixedly connected to the corresponding slide block located below.

[0014] As a preferred embodiment, the equipment frame is equipped with a push-pull assembly for moving the support plate up and down; the push-pull assembly includes two symmetrical hydraulic cylinders fixedly installed on the upper end of the equipment frame, and the extension sections of the two hydraulic cylinders are fixedly connected to the lower end of the support plate.

[0015] As a preferred option, the ends of the sliding columns on the same support plate that are away from the supporting plate are all fixedly installed with a connecting plate.

[0016] The technical solution of the present invention has at least one of the following technical effects: First, the present invention achieves continuous processing of columns by cooperating with the alternating pushing system composed of two movable structures and the support system composed of deformable and combinable rollers, meeting the support requirements of columns of different shapes, without the need to change the support components according to the shape of the column, thereby increasing the practicality of the equipment, improving the efficiency of batch processing of columns, and ensuring the support effect of the columns.

[0017] Second, the three rollers in this invention can be switched from a straight state forming a support plane to an inverted V-shaped state forming an inverted V-shaped limiting area. Then, they can be changed from stable support for square columns to stable support and three-way limiting for round columns. The inverted V-shaped limiting area can effectively prevent the round columns from rolling without replacing the support components.

[0018] Third, the two moving frames of the present invention move left and right under the control of the drive unit when the lifting and misalignment is achieved. When one moving frame moves left to push the column to punch a hole, the other moving frame moves right simultaneously and passes over the moving frame that pushes the column. The two moving frames complete the position exchange without interference, so that the column pushing, processing and moving frame reset actions are carried out in parallel. This avoids the reset-unclamping-re-clamping waiting links that are necessary in the traditional single pushing mechanism, shortens the idle stroke and ensures continuous processing.

[0019] Fourth, this invention achieves the deformation combination of the three corresponding roller shafts through the same drive and simple multi-section hinge structure, realizing the rapid and smooth switching between the support plane and the inverted V-shaped limiting area. It does not require complex structural design and drive linkage, nor does it require the replacement of parts, and can directly solve the problem of incompatibility between square and round column support in traditional equipment.

[0020] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 for Figure 1 A partial structural diagram.

[0024] Figure 3 This is a schematic diagram illustrating the process by which the three rollers of the present invention change from an inverted V-shape to a straight line shape.

[0025] Figure 4 This is a schematic diagram of the lifting component of the present invention.

[0026] Figure 5 This is a schematic diagram of the drive unit of the present invention.

[0027] Figure 6 This is a schematic diagram of the state when the gripper cylinder of the present invention is holding the column.

[0028] Reference numerals: 10. Equipment frame; 11. Support plate; 2. Supporting mechanism; 20. Sliding column; 200. Connecting plate; 21. Roller shaft; 22. Drum; 23. Adjusting part; 230. Connecting shaft; 231. Supporting plate; 232. Hydraulic cylinder; 3. Pushing mechanism; 30. Fixed plate; 31. Moving frame; 32. Connecting block; 33. Sliding seat; 34. Limiting rod; 35. Drive part; 350. Synchronous pulley; 351. Conveyor belt; 36. Clamping part; 360. Sliding rod; 361. Gripper cylinder; 362. Cylinder No. 1; 4. Limiting component; 40. Rectangular groove; 41. Guide column; 5. Lifting component; 50. Rectangular plate; 51. Cylinder No. 2. Detailed Implementation

[0029] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0030] like Figure 1 As shown, an automatic punching and conveying device for guardrail posts includes a frame 10 and two symmetrical support plates 11 fixedly installed on it; a support mechanism 2 is provided between the two support plates 11, and a pushing mechanism 3 is provided on the frame 10.

[0031] like Figure 1 , Figure 2 and Figure 3 As shown, the supporting mechanism 2 includes a sliding column 20 and an adjusting part 23. Multiple sliding columns 20 are slidably installed on both support plates 11 from left to right. The two sliding columns 20 facing each other are hinged to each other by a pin. The deformable part consists of three rollers 21 that are hinged to each other by a pin in sequence. A roller 22 is rotatably installed on the roller 21.

[0032] like Figure 1 , Figure 2 and Figure 5 As shown, the pushing mechanism 3 includes a fixed plate 30, a movable frame 31, and a driving part 35. Fixed plates 30 are fixedly mounted on the equipment frame 10 on opposite sides of the two support plates 11. Two inverted concave movable frames 31 are slidably mounted on the two fixed plates 30. Each movable frame 31 is equipped with a clamping part 36 for clamping the fixed column. The vertical section of one set of movable frames 31 is located between adjacent support plates 11 and movable frames 31, while the vertical section of the other set of movable frames 31 is located on opposite sides of the two movable frames 31. The horizontal section of the movable frames 31 is located above the movable frames 31.

[0033] like Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6As shown, during actual operation, the external punching machine is installed on the equipment frame 10 and located on the left side of the support mechanism 2. The external punching machine works in conjunction with the automatic punching and conveying equipment for guardrail posts to punch the posts. The punching die is changed according to the shape of the post to be processed, and the combined shape of the three rollers 21 is adjusted at the same time. In the initial state, the three rollers 21 are located on the same axis and are in a straight line to form a support plane, which is suitable for supporting the square post. When the adjusting part 23 drives the rollers 21 to move, the three rollers 21... When the column is transformed into an inverted V-shape, it is adapted to support the circular column. Thus, when the external feeding device transports the column to the support mechanism 2, the outer circumference of the three rollers 22 in the inverted V-shape is tangent to the outer wall of the circular column, thereby restricting the rolling of the column. This facilitates the clamping part 36 to clamp the circular column in alignment. The square column is tangent to the rollers 22 through its plane, so it will not move easily and therefore does not require additional positioning. After the feeding device delivers the column to the position, the clamping part 36 can directly clamp the square column.

[0034] After the clamping part 36 clamps and limits the column, the driving part 35 drives the moving frame 31 to move to the left. The moving frame 31 drives the fixed column to move to the left in sync. The roller 22 and the column have rolling friction, which can reduce the frictional resistance of the column movement, thereby improving the smoothness of the column movement, thereby improving the processing efficiency, and also reducing frictional damage to parts and workpieces.

[0035] After the left end of the column moves into the punching machine, the punching machine punches it. After one column is punched, the moving frame 31 moves to the right to prepare for pushing the next column, while the other moving frame 31 pushes another fixed column for punching. In this way, the two moving frames 31 alternately push the column to ensure the continuity of column processing and thus improve the overall efficiency of column processing.

[0036] like Figure 1 , Figure 2 and Figure 3 As shown, the adjustment part 23 includes a connecting shaft 230. The connecting shaft 230 is coaxially fixedly installed on the pin of the roller 21. A support plate 231 is provided between the two support plates 11. The connecting shafts 230 at both ends of the roller 21 in the middle are fixedly connected to the support plate 231 through the bearing seat.

[0037] like Figure 1 and Figure 2 As shown, the equipment frame 10 is provided with a push-pull assembly for moving the support plate 231 up and down. The push-pull assembly includes two symmetrical hydraulic cylinders 232 fixedly installed on the upper end of the equipment frame 10. The extension sections of the two hydraulic cylinders 232 are fixedly connected to the lower end of the support plate 231.

[0038] like Figure 1 , Figure 2 and Figure 3 As shown, the ends of the sliding columns 20 on the same support plate 11 that are away from the support plate 231 are all fixedly installed with a connecting plate 200. The connecting plate 200 connects the corresponding multiple sliding columns 20 into a whole, which improves the support strength of the sliding columns 20 on the roller shaft 21, as well as the smoothness and synchronicity of the three roller shafts 21 changing from a straight state to an inverted V-shape.

[0039] like Figure 1 , Figure 2 and Figure 3 As shown, during actual operation, the hydraulic cylinder 232 pulls the support plate 231 downward. The support plate 231 then drives the central roller 21 and the roller 22 on it to move downward through the bearing seat, connecting shaft 230 and corresponding pin. The two rollers 21 on the front and rear sides of the central roller 21 and the corresponding rollers 22 rotate accordingly. At this time, the three rollers 21 change from a straight line state to an inverted V-shape state, forming an inverted V-shaped limiting area. At the same time, during the downward rotation of the two rollers 21 on the front and rear sides, the two corresponding sliding columns 20 will also drive the two rollers 20 to move axially relative to each other to ensure that the state of the three rollers 21 changes smoothly. At this time, the circular column can be effectively supported, and the size of the inverted V-shaped limiting area can be adjusted according to the diameter of the circular column.

[0040] When the hydraulic cylinder 232 pushes the support plate 231 upward, the support plate 231 drives the central roller 21 and the roller 22 on it to move upward through the bearing seat, connecting shaft 230 and corresponding pin. The two rollers 21 on the front and rear sides of the central roller 21 and the corresponding rollers 22 rotate accordingly, and push the two corresponding sliding columns 20 to move axially away from each other. Finally, the roller 21 and the corresponding sliding column 20 are coaxial, that is, the three rollers 21 change from the inverted V-shape to the straight shape, at which time the square column can be supported.

[0041] like Figure 1 , Figure 2 and Figure 3 As shown, the pushing mechanism 3 also includes a sliding component. The front and rear ends of the fixed plate 30 are both slidably provided with sliding components. The sliding components are equipped with connecting blocks 32 that slide up and down. The two vertical sections of one of the moving frames 31 are fixedly connected to the two connecting blocks 32 between the two fixed plates 30, and the two vertical sections of the other moving frame 31 are fixedly connected to the remaining two connecting blocks 32.

[0042] like Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the sliding assembly includes a slide block 33. Two vertically symmetrical slide blocks 33 are slidably installed on the side end of the fixed plate 30. A pair of limiting rods 34 are fixedly installed between the two vertically symmetrical slide blocks 33. A connecting block 32 is slidably installed on each pair of limiting rods 34.

[0043] like Figure 1 , Figure 2 and Figure 5 As shown, the drive unit 35 includes a transmission assembly. The equipment frame 10 is provided with a transmission assembly corresponding to the fixed plate 30. The transmission assembly consists of four rectangularly distributed synchronous wheels 350 that are rotatably mounted on the equipment frame 10. The four synchronous wheels 350 are connected to a conveyor belt 351 for transmission. The two slides 33 corresponding to the same fixed plate 30 and located below are respectively fixedly connected to the two transverse sections of the corresponding conveyor belt 351. The lower end of the fixed plate 30 is located inside the corresponding conveyor belt 351. The four synchronous wheels 350 in the same group are evenly distributed on the left and right sides of the corresponding fixed plate 30.

[0044] like Figure 1 and Figure 4 As shown, the movable frame 31 is provided with a lifting component 5 for driving the movable frame 31 to rise and fall. The lifting component 5 includes a rectangular plate 50. The rectangular plate 50 is fixedly installed on the left end of the rear vertical section of the movable frame 31. A second cylinder 51 is fixedly installed on the left end of the rectangular plate 50. The telescopic section of the second cylinder 51 is fixedly connected to the corresponding slide block 33 located below.

[0045] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the fixed plate 30 is provided with a limiting member 4 for restricting the movement of the connecting block 32. The limiting member 4 includes a rectangular groove 40. The front and rear end faces of the fixed plate 30 are both provided with rectangular grooves 40. The connecting block 32 is rotatably mounted with a guide post 41 that slides in cooperation with the corresponding rectangular groove 40. The cooperation between the guide post 41 and the rectangular groove 40 improves the overall structural strength of the moving frame 31 and its components, thereby ensuring the stability of the moving frame 31 and extending the service life of the second cylinder 51.

[0046] like Figure 1 , Figure 2 and Figure 4 As shown, the clamping part 36 includes a sliding rod 360. The lower end of the horizontal section of the movable frame 31 is slidably mounted with an mounting plate via a pair of sliding rods 360. A gripper cylinder 361 is mounted on the mounting plate. A first cylinder 362 is fixedly mounted on the upper end of the horizontal section of the movable frame 31. The telescopic section of the first cylinder 362 slides through the movable frame 31 and is fixedly connected to the corresponding mounting plate.

[0047] like Figures 1 to 6As shown, during specific operation, firstly, the telescopic section of the second cylinder 51 on the left extends, causing the left movable frame 31 to move vertically upward. The corresponding guide post 41 moves vertically upward along the left vertical section of the rectangular groove 40 to the connection point between the left vertical section and the upper horizontal section. Meanwhile, the second cylinder 51 on the right controls the right movable frame 31 to move downward. The corresponding guide post 41 moves vertically downward along the right vertical section of the corresponding rectangular groove 40 to the connection point between the right vertical section and the lower horizontal section. At this time, the left movable frame 31 is higher than the right movable frame 31.

[0048] Then, according to the size of the column to be processed, the position of the gripper cylinder 361 is adjusted by the first cylinder 362 and the mounting plate to effectively fix columns of different sizes. Subsequently, an external motor (not shown in the figure, and the external motor corresponds one-to-one with the clamping part 36) is fixedly connected to one of the synchronous pulleys 350 on the output shaft mounted on the equipment frame 10. The external motor drives the conveyor belt 351 to rotate through the synchronous pulley 350. The two conveyor belts 351 cooperate to drive the right-side moving frame 31 to move to the left. The corresponding guide column 41 moves along the lower horizontal section of the corresponding rectangular groove 40. The leftward moving frame 31 drives the corresponding gripper cylinder 361 to fit against the column, and the gripper cylinder 361 clamps and fixes the column. After that, the right side... The moving frame 31 continues to move to the left, driving the fixed column to move to the left in sync. The column moves along the support plane or the inverted V-shaped limit area formed by the three rollers 21. The column rolls into contact with the roller 22. Meanwhile, the moving frame 31 on the left moves to the right under the drive of the conveyor belt 351. The corresponding guide column 41 moves along the upper horizontal section of the corresponding rectangular groove 40. The moving frame 31 on the right passes under the horizontal section of the moving frame 31 on the left. The two moving frames 31 switch positions with each other. The moving frame 31 that moves to the left pushes the column to the punching position. After processing, the gripper cylinder 361 is released from its fixed position. The external conveyor (not shown in the figure) drives the punched column to completely detach from the punching machine and continue to be transported to the subsequent processing position.

[0049] After the column is punched and transported out of the punching machine, the gripper cylinder 361 on the movable frame 31 closest to the punching machine moves upward and resets. Simultaneously, the movable frame 31 closest to the punching machine (i.e., the original right-side movable frame 31) moves directly to the right, passing through another movable frame 31. Meanwhile, the other movable frame 31 moves to the left. During this period, the column to be processed is placed to the left of the left-moving movable frame 31 by manual labor or a robotic arm, and the corresponding gripper cylinder 361 moves downward (quickly after the two movable frames 31 exchange positions). (Execution is rapid). The left-moving frame 31 moves to the left, causing its corresponding gripper cylinder 361 to engage with the column. The gripper cylinder 361 clamps and fixes the column. The left-moving frame 31 continues to move, pushing the column. While the column is being punched at the punching position, a new column to be processed is placed to the left of the right-side moving frame 31 by manual labor or a robotic arm. Then, the gripper cylinder 361 corresponding to the right-side moving frame 31 moves down to pre-align with the right end of the column, preparing for subsequent clamping and pushing. After the current column has been punched and transported away by the external conveyor, the gripper cylinder 361 on the moving frame 31 closest to the punching machine moves up to reset. Then, the two moving frames 31 move towards each other, swapping positions and pushing a new column to be processed. This operation is repeated, with the two moving frames 31 alternately pushing the column for continuous processing, thereby improving the overall processing efficiency of the column.

[0050] It should be noted that the gripper cylinder 361 performs internal and external clamping on the upper side of the column end. Whether in a straight or inverted V-shape, the roller 22 and the sliding column 20 do not obstruct the movement of the gripper cylinder 361 with the moving frame 31, that is, they do not hinder the pushing of the column. By moving both moving frames 31 upwards to the connection point between the vertical section and the upper horizontal section of the corresponding rectangular slot 40, and keeping the gripper cylinder 361 in its initial position, sufficient space is provided for maintenance of the support mechanism 2.

[0051] In the description of this invention, it should be understood that the orientation or positional relationship indicated by directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" is generally based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this invention and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this invention; the directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0052] Furthermore, the terms "first," "second," "number one," and "number two" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "number one," or "number two" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0053] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connected," "installed," and "connected" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0054] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An automatic punching and conveying device for guardrail posts, comprising a frame and two symmetrically arranged support plates fixedly mounted thereon; characterized in that: A support mechanism is provided between the two support plates, and a pushing mechanism is provided on the equipment frame; The supporting mechanism includes sliding columns and an adjusting part. Multiple sliding columns are slidably installed on both support plates from left to right. A deformable part is hinged between two sliding columns that are directly opposite each other by a pin. The deformable part consists of three rollers that are hinged sequentially by pins, and a roller is rotatably installed on the roller. When the two sliding columns facing each other and the corresponding three rollers are in a straight line, they form a support plane for the square column; after the lifting part moves the middle roller down, the three rollers change to an inverted V-shape, forming a limiting area for the round column. The pushing mechanism includes a fixed plate, a movable frame, and a drive unit. Fixed plates are arranged on opposite sides of the two support plates and fixedly mounted on the equipment frame. Two inverted concave movable frames are slidably mounted on the two fixed plates, and clamping parts for clamping the fixed columns are installed on the two movable frames. Two mobile frames adjust their positions by lifting and staggering, and move left and right alternately under the drive of the drive unit to push the column: the two mobile frames complete the position exchange without interference, realizing the continuous pushing of the column; The pushing mechanism also includes a sliding component. The front and rear ends of the fixed plate are both equipped with sliding components that slide left and right. The sliding components are equipped with connecting blocks that slide up and down. The two vertical sections of one of the moving frames are fixedly connected to the two connecting blocks between the two fixed plates, and the two vertical sections of the other moving frame are fixedly connected to the remaining two connecting blocks. The sliding assembly includes a slide block. Two vertically symmetrical slide blocks are slidably installed on the side of the fixed plate. A pair of limit rods are fixedly installed between the two vertically symmetrical slide blocks, and a connecting block is slidably installed on each pair of limit rods.

2. The automatic punching and conveying device for guardrail posts according to claim 1, characterized in that: The drive unit includes a transmission assembly. Each position on the equipment frame corresponds to a fixed plate. The transmission assembly consists of four rectangularly distributed synchronous wheels that are rotatably mounted on the equipment frame. The four synchronous wheels are connected to a conveyor belt for transmission. The two slides corresponding to the same fixed plate and located below are fixedly connected to the two transverse sections of the corresponding conveyor belt.

3. The automatic punching and conveying device for guardrail posts according to claim 1, characterized in that: The adjusting part includes a connecting shaft, which is coaxially fixedly mounted on the pin of the roller. A support plate is provided between the two support plates, and the connecting shafts at both ends of the roller in the middle are fixedly connected to the support plate through shaft seats.

4. The automatic punching and conveying device for guardrail posts according to claim 1, characterized in that: The fixed plate is provided with a limiting component to restrict the movement of the connecting block; the limiting component includes a rectangular groove, and the front and rear end faces of the fixed plate are provided with rectangular grooves. The connecting block is rotatably mounted with a guide post that slides in cooperation with the corresponding rectangular groove.

5. The automatic punching and conveying device for guardrail posts according to claim 1, characterized in that: The clamping part includes a sliding rod. A mounting plate is slidably installed on the lower end of the horizontal section of the moving frame via a pair of sliding rods. A gripper cylinder is installed on the mounting plate. A cylinder is fixedly installed on the upper end of the horizontal section of the moving frame. The telescopic section of the cylinder slides through the moving frame and is fixedly connected to the corresponding mounting plate.

6. The automatic punching and conveying device for guardrail posts according to claim 1, characterized in that: The mobile frame is equipped with a lifting component for driving the mobile frame to rise and fall; the lifting component includes a rectangular plate, and a rectangular plate is fixedly installed on the left end of the rear vertical section of the mobile frame. A second cylinder is fixedly installed on the left end of the rectangular plate, and the telescopic section of the second cylinder is fixedly connected to the corresponding slide block located below.

7. The automatic punching and conveying device for guardrail posts according to claim 3, characterized in that: The equipment frame is equipped with a push-pull assembly for moving the support plate up and down; the push-pull assembly includes two symmetrical hydraulic cylinders fixedly installed on the upper end of the equipment frame, and the extension sections of the two hydraulic cylinders are fixedly connected to the lower end of the support plate.

8. The automatic punching and conveying device for guardrail posts according to claim 3, characterized in that: A connecting plate is fixedly installed on the end of the sliding column on the same support plate that is away from the support plate.

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