Perforating device for road guardrail production

Abstract

The utility model relates to a punching device for road guardrail production, which comprises a workbench provided with a cavity, a punching frame fixedly connected to the workbench, a sliding tool apron arranged below the punching frame, a tool bit arranged on the tool apron, a sliding groove formed in the workbench surface, an H-shaped sliding block connected in the sliding groove in a sliding manner, a spring fixedly connected between one end of the H-shaped sliding block and the workbench, and a clamping groove formed in the workbench surface, a plurality of guide wheels are arranged on the two sides of the cavity of the workbench, a traction rope is connected to the guide wheels in a sliding mode, one end of the traction rope is fixedly connected to the H-shaped sliding block, the other end of the traction rope is fixedly connected to the tool apron, and a clamping device is fixedly connected to the upper portion of the H-shaped sliding block. According to the punching device for road guardrail production, when the sliding tool apron on the punching frame moves up and down, the clamping device on the H-shaped sliding block is driven to convey a pipe needing to be punched forwards, the forward conveying distance every time is adjusted according to the punching distance, the punching distance is uniform, and the production quality of road guardrails is improved.

Description

Technical Field

[0001] The utility model relates to material processing technology, in particular to a punching device for producing road guardrails. Background Art

[0002] Punching devices are mainly used in the solid material processing industry. Common punching devices are electric drills or punches. The main body relies on the rotation of the motor to drive the drill bit to perform rough processing on the solid material or to complete the hole opening by punching and cutting, so as to achieve the purpose of punching and installation. With the further development of the technology, the efficiency of the punching device has also been significantly improved. During the guardrail punching process, through mechanized control and stabilization of the guardrail, the punching efficiency of the device can be effectively improved and the defective rate of punching can be reduced. When punching the guardrail, it is usually not recommended to manually cooperate with stabilization and feeding of materials to ensure personnel safety.

[0003] The guardrails of existing devices are generally placed on a conveyor and transported to a punching table. The punching spacing needs to be adjusted by adjusting the conveying speed. The adjustment is difficult and the error is large, which affects the processing quality of the guardrail. Utility Model Content

[0004] The purpose of the utility model is to provide a punching device for producing road guardrails, which is used to solve the problem that the punching device for producing road guardrails is difficult to adjust and has large errors, thereby affecting the processing quality of the guardrails.

[0005] In order to solve the above problems, the utility model provides a punching device for the production of road guardrails, including a workbench with a cavity, a punching frame fixedly connected to the workbench, a guide rod fixedly connected between the punching frame and the workbench, a knife seat slidably connected to the guide rod, a threaded hole is provided on the knife seat, a knife head is threadedly connected to the threaded hole, a slide groove is provided on the table top of the workbench, an H-shaped slider is slidably connected in the slide groove, one end of the H-shaped slider is fixedly connected to a spring, and the other end of the spring is fixedly connected to the workbench, a plurality of guide wheels are provided on both sides of the cavity of the workbench, a traction rope is slidably connected to the guide wheel, one end of the traction rope is fixedly connected to the H-shaped slider, and the other end of the traction rope is fixedly connected to the knife seat, an electric push rod is fixedly connected to the upper part of the H-shaped slider, and a clamping plate is fixedly connected to the push rod of the electric push rod.

[0006] The punching device for road guardrail production provided by the utility model also has the following technical features:

[0007] Furthermore, a stamping cylinder is fixedly connected to the top of the stamping frame, and a piston rod of the stamping cylinder is fixedly connected to the tool holder.

[0008] Furthermore, two horizontal sliding shafts are rotatably connected in the workbench, one end of the sliding shaft is smooth and the other end is threaded, the two sliding shafts are arranged in opposite directions, the threaded sections of the two sliding shafts are threadedly connected to fastening plates, and the two fastening plates slide toward each other on the sliding shafts.

[0009] Furthermore, the fastening plate is slidably connected to the smooth end of the other sliding shaft.

[0010] Furthermore, one end of the smooth surface of the sliding shaft is fixedly connected to a gear, and a half gear is rotatably connected to the workbench, and the half gear is meshed with the gear.

[0011] Furthermore, the knife seat is rotatably connected to a connecting rod, a connecting hole is provided on the half gear, the other end of the connecting rod is fixedly connected to a rotating shaft, and the rotating shaft is rotatably connected to the connecting hole.

[0012] Furthermore, there are multiple connecting holes.

[0013] The utility model has the following beneficial effects: the punching device for road guardrail production described in the present application utilizes the sliding knife seat on the punching frame to move up and down, and drives the clamping device on the H-shaped slider through the traction rope to transport the pipe to be punched forward, and adjusts the forward transportation distance each time according to the punching distance, so that the punching distance is uniform, thereby improving the production quality of road guardrail. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an axonometric diagram of a punching device for producing road guardrails according to an embodiment of the present utility model;

[0015] Figure 2 This is a front cross-sectional schematic diagram of a punching device for road guardrail production according to an embodiment of the present utility model;

[0016] Figure 3 This is a front cross-sectional schematic diagram of a punching device for road guardrail production according to an embodiment of the present utility model;

[0017] Figure 4 A punching device for road guardrail production according to an embodiment of the present invention Figure 3 Enlarged view of node A in the middle.

[0018] (1-Workbench, 2-Punching frame, 3-Guide rod, 4-Tool holder, 5-Threaded hole, 6-Tool head, 7-Slide groove, 8-H-shaped slider, 9-Spring, 10-Guide wheel, 11-Traction rope, 12-Electric push rod, 13-Clamping plate, 14-Punching cylinder, 15-Slide shaft, 16-Fastening plate, 17-Gear, 18-Half gear, 19-Connecting rod, 20-Connecting hole, 21-Rotary shaft) DETAILED DESCRIPTION

[0019] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

[0020] like Figures 1 to 4 In the embodiment of the punching device for road guardrail production of the utility model shown, the punching device for road guardrail production includes a workbench 1 with a cavity, a punching frame 2 is fixedly connected to the workbench 1, a guide rod 3 is fixedly connected between the punching frame 2 and the workbench 1, a tool holder 4 is slidably connected to the guide rod 3, a threaded hole 5 is provided on the tool holder 4, a tool head 6 is threadedly connected to the threaded hole 5, a slide groove 7 is provided on the table surface of the workbench 1, an H-shaped slider 8 is slidably connected in the slide groove 7, one end of the H-shaped slider 8 is fixedly connected to a spring 9, and the other end of the spring 9 is fixedly connected to the workbench 1, a plurality of guide wheels 10 are provided on both sides of the cavity of the workbench 1, a traction rope 11 is slidably connected to the guide wheel 10, one end of the traction rope 11 is fixedly connected to the H-shaped slider 8, and the other end of the traction rope 11 is fixedly connected to the tool holder 4, an electric push rod 12 is fixedly connected to the upper part of the H-shaped slider 8, and a clamping plate 13 is fixedly connected to the push rod of the electric push rod 12.

[0021] Specifically, the pipe to be punched is placed on the workbench 1, and the moving distance of the H-shaped slider 8 in the slide groove 7 is adjusted according to the punching distance, so that the sliding knife seat 4 on the punching frame 2 moves downward along the guide rod 3, and the knife head 6 on the knife seat 4 is used to punch the pipe into a hole. When the knife seat 4 slides downward, the H-shaped slider 8 is restored to one end of the slide groove 7 close to the punching frame 2 under the action of the spring 9, and the electric push rod 12 is started to extend the push rod of the electric push rod 12. Under the action of the electric push rod 12, the clamping plate 13 clamps the pipe, and the knife seat 4 Use the cutter head 6 to punch a hole in the pipe. After punching is completed, slide the cutter holder 4 upward along the guide rod 3. When the cutter holder 4 slides, pull the traction rope 11 to move the H-shaped slider 8 forward along the slide groove 7. The clamping plate 13 drives the pipe forward until the cutter holder 4 slides to the top. Start the electric push rod 12 to retract the push rod. When the cutter holder 4 punches a hole again, it slides downward. The H-shaped slider 8 is reset under the action of the spring 9. Start the electric push rod 12 to extend the push rod to re-clamp the pipe. Repeat the above actions to make the pipe move forward while forming a hole.

[0022] In one embodiment of the present application, preferably, a punching cylinder 14 is fixedly connected to the top of the punching frame 2, and the piston rod of the punching cylinder 14 is fixedly connected to the tool holder 4, which is used to drive the tool holder 4 to slide on the guide rod 3, downward for punching, and upward for pulling the traction rope 11 to drive the pipe forward.

[0023] In one embodiment of the present application, preferably, two horizontal sliding shafts 15 are rotatably connected in the workbench 1, one end of the sliding shaft 15 is smooth and the other end is threaded, the two sliding shafts 15 are arranged in opposite directions, and the threaded sections of the two sliding shafts 15 are threadedly connected to fastening plates 16, and the two fastening plates 16 slide toward each other on the sliding shafts 15. Specifically, after the pipe is placed on the table, the two sliding shafts 15 are rotated clockwise in the same direction to make the fastening plates 16 on the sliding shafts 15 move toward each other to clamp the pipe. After the punching is completed, the two sliding shafts 15 are rotated counterclockwise in the same direction to make the fastening plates 16 on the sliding shafts 15 move away from each other to loosen the pipe, so as to avoid shaking of the pipe during punching, inability to complete punching or damage to the pipe.

[0024] In one embodiment of the present application, preferably, the fastening plate 16 is slidably connected to the smooth end of another sliding shaft 15 to prevent the fastening plate 16 from rotating with the sliding shaft 15 so that the fastening plate 16 can only slide along the direction of the sliding shaft 15.

[0025] In one embodiment of the present application, preferably, a gear 17 is fixedly connected to one smooth end of the sliding shaft 15 , and a half gear 18 is rotatably connected to the workbench 1 , and the half gear 18 is engaged with the gear 17 to drive the rotation of the sliding shaft 15 .

[0026] In one embodiment of the present application, preferably, the knife seat 4 is rotatably connected to a connecting rod 19, a connecting hole 20 is provided on the half gear 18, and the other end of the connecting rod 19 is fixedly connected to a rotating shaft 21, and the rotating shaft 21 is rotatably connected to the connecting hole 20, so that when the knife seat 4 slides downward, the connecting rod 19 drives the half gear 18 to drive the gear 17 to rotate clockwise, so that the fastening plates 16 move toward each other, and when the knife seat 4 slides upward, the connecting rod 19 drives the half gear 18 to drive the gear 17 to rotate counterclockwise, so that the fastening plates 16 move away from each other.

[0027] In one embodiment of the present application, preferably, there are multiple connecting holes 20 for adjusting the clamping distance between the fastening plates 16 so as to be suitable for guardrail pipes of various specifications.

[0028] In summary, the punching device for road guardrail production in the above embodiment of the present invention, specifically, places the pipe to be punched on the workbench 1, adjusts the moving distance of the H-shaped slider 8 in the slide 7 according to the punching distance, starts the stamping cylinder 14 to make the knife seat 4 on the punching frame 2 move downward along the guide rod 3, and when the knife seat 4 slides downward, the H-shaped slider 8 is restored to the end of the slide 7 near the punching frame 2 under the action of the spring 9, and the knife seat 4 pushes the half gear 18 to rotate through the connecting rod 19, driving the gear 17 to drive the fastening plate 16 to slide toward each other along the sliding shaft 15 and clamp the pipe, starts the electric push rod 12, and extends the push rod of the electric push rod 12. Under the action of the electric push rod 12, the clamping plate 13 clamps the pipe, and the knife seat 4 uses the knife head 6 to form a hole in the pipe, punching After the hole is completed, the knife seat 4 slides upward along the guide rod 3, and the knife seat 4 drives the half gear 18 to rotate through the connecting rod 19, driving the gear 17 to drive the fastening plate 16 to move back and forth on the sliding shaft 15, thereby loosening the pipe. When the knife seat 4 slides upward, the traction rope 11 is pulled to make the H-shaped slider 8 move forward along the sliding groove 7, and the clamping plate 13 drives the pipe forward until the knife seat 4 slides to the top, and the electric push rod 12 is started to retract the push rod. When the knife seat 4 slides downward for punching again, the fastening plate 16 clamps the pipe again, and the H-shaped slider 8 is reset under the action of the spring 9, and the electric push rod 12 is started to extend the push rod to clamp the pipe again. The rotation stroke of the half gear 18 can be adjusted through the multiple connecting holes 20 on the half gear 18 to adapt to different pipe specifications. This device uses the up and down sliding of the knife holder on the guide rod to cooperate with the H-shaped slider and the half gear. It clamps the pipe during punching, releases the pipe when sliding upward, and uses the traction rope to pull the pipe forward, forming a mutual cooperation between punching and movement, making the punching distance uniform and improving the production quality of road guardrails.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A punching device for road guardrail production, characterized in that: It includes a workbench with a cavity, wherein the workbench is fixedly connected to a stamping frame, a guide rod is fixedly connected between the stamping frame and the workbench, the guide rod is slidably connected to a tool holder, the tool holder is provided with a threaded hole, and a tool head is threadedly connected to the threaded hole, a slide groove is provided on the table surface of the workbench, an H-shaped slider is slidably connected in the slide groove, one end of the H-shaped slider is fixedly connected to a spring, and the other end of the spring is fixedly connected to the workbench, a plurality of guide wheels are provided on both sides of the cavity of the workbench, a traction rope is slidably connected to the guide wheel, one end of the traction rope is fixedly connected to the H-shaped slider, and the other end of the traction rope is fixedly connected to the tool holder, the upper part of the H-shaped slider is fixedly connected to an electric push rod, and the push rod of the electric push rod is fixedly connected to a clamping plate.

2. The punching device for road guardrail production according to claim 1, characterized in that: A stamping cylinder is fixedly connected to the top of the stamping frame, and a piston rod of the stamping cylinder is fixedly connected to the tool holder.

3. The punching device for road guardrail production according to claim 2, characterized in that: Two horizontal sliding shafts are rotatably connected in the workbench, one end of the sliding shaft is smooth and the other end is threaded, the two sliding shafts are arranged in opposite directions, the threaded sections of the two sliding shafts are threadedly connected to fastening plates, and the two fastening plates slide toward each other on the sliding shafts.

4. The punching device for road guardrail production according to claim 3, characterized in that: The fastening plate is slidably connected to one smooth end of the other sliding shaft.

5. The punching device for road guardrail production according to claim 4, characterized in that: One end of the smooth surface of the sliding shaft is fixedly connected with a gear, and the workbench is rotatably connected with a half gear, and the half gear is meshed with the gear.

6. The punching device for road guardrail production according to claim 5, characterized in that: The knife seat is rotatably connected to a connecting rod, a connecting hole is provided on the half gear, the other end of the connecting rod is fixedly connected to a rotating shaft, and the rotating shaft is rotatably connected to the connecting hole.

7. The punching device for road guardrail production according to claim 6, characterized in that: There are multiple connecting holes.

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