Steel pipe ladder front frame punching machine

Abstract

The utility model discloses a steel pipe ladder front frame punching machine which comprises a machine frame, two installation table tops are arranged on the machine frame, the two installation table tops are arranged side by side and can be far away from or close to each other, and a plurality of pedal rod connecting hole punching assemblies are arranged on the two installation table tops. The pedal rod connecting hole punching assemblies are linearly arranged on the mounting table top. A plurality of front frame up-and-down limiting assemblies are arranged on the two mounting table tops, and during punching, the front frame body is limited up and down through the front frame up-and-down limiting assemblies; an extension frame is transversely arranged at the front end of the rack; according to the device, the pedal rod connecting hole punching assembly and the hinge hole punching assembly are arranged, and the ladder front frame is subjected to one-time punching forming through the pedal rod connecting hole punching assembly and the hinge hole punching assembly; in addition, the front frame body is vertically limited, the front frame front-back fixing assembly is used for fixing the front frame during punching, and the stability during punching is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of ladder manufacturing equipment, in particular to a one-time punching and forming machine for a front frame of a steel tube ladder with a magnetic attraction structure. Background Art

[0002] The steel tube ladder comprises a front frame and a rear frame hinged to the front frame, and the front frame and the rear frame are transversely fixedly connected with a pedal rod, so that the front frame and the rear frame of the steel tube ladder need to be punched with a pedal rod connection hole and a hinge hole. For the punching of the front frame, the existing production method is to punch the hinge hole first and then punch the pedal rod connection hole, which is troublesome and inefficient. Utility Model Content

[0003] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a steel pipe ladder front frame punching machine to solve the problems existing in the above background technology.

[0004] The above technical objectives of the utility model are achieved through the following technical solutions:

[0005] A punching machine for a front frame of a steel pipe ladder comprises a frame, wherein two mounting tables are arranged on the frame, the two mounting tables are arranged in parallel, and the two mounting tables can move away from or approach each other, and a plurality of pedal rod connecting hole punching assemblies are arranged on the two mounting tables, and each pedal rod connecting hole punching assemblies is arranged in a straight line on the mounting table; a plurality of front frame upper and lower limit assemblies are arranged on the two mounting tables, and when punching, the front frame main body is limited up and down by the front frame upper and lower limit assemblies; an extension frame is horizontally arranged on the front end of the frame, a movable plate is arranged on the extension frame, and two hinge hole punching assemblies are arranged on the movable plate, the two hinge hole punching assemblies can move away from or approach each other, and the hinge holes of the front frame are punched by the hinge hole punching assemblies, and also comprises a front frame front and rear fixing assembly, and when punching, the front frame main body is limited front and back by the front frame front and rear limit assemblies.

[0006] Preferably, both ends of the mounting table are connected to the frame via a first slider rail assembly.

[0007] Preferably, the pedal rod connecting hole punching assembly includes a first punching seat arranged on the mounting table, a first workpiece groove is arranged on the top of the first punching seat, a first punching hole is penetrated through the side of the first workpiece groove, a first pneumatic punch cylinder is arranged on the side of the first punching seat, a first punch needle is arranged on the first pneumatic punch cylinder, and also includes a guide seat, which is arranged between the first punching seat and the first pneumatic punch cylinder to guide the first punch needle.

[0008] Preferably, the hinged hole punching assembly is connected to the base plate on the movable plate through a second slider rail assembly, the base plate is fixedly connected to a column, and also includes a second punching seat, the second punching seat is fixed on the bottom end of the column, a second workpiece groove is arranged on the side of the second punching seat, a second punching hole is arranged through the top of the second workpiece groove, a second pneumatic punch cylinder is arranged above the second punching seat, and a second punch needle is arranged on the second pneumatic punch cylinder.

[0009] Preferably, the upper and lower limit assembly of the front frame includes a first cylinder fixed on the mounting table, a linkage block is arranged on the piston rod of the first cylinder, a pressure rod is connected to the outer end of the linkage block, and a pressure block is arranged on the end of the pressure rod.

[0010] Preferably, the front and rear fixing components of the front frame include a connecting plate arranged on the mobile frame, a blocking portion is arranged on the outer end portion of the connecting plate, the front end of the front frame is placed on the connecting plate and its top end abuts against the blocking portion, a second cylinder is arranged on the end of the mounting table, an abutting column is connected to the piston rod of the second cylinder, and when fixed, it abuts against the end of the front frame through the abutting column.

[0011] In summary, the utility model mainly has the following beneficial effects:

[0012] The present application provides a pedal rod connecting hole punching assembly and a hinge hole punching assembly, through which the ladder front frame is punched and formed in one go; in addition, the front frame main body is limited up and down and the front frame front and rear fixing assemblies are provided to fix the front frame during punching, thereby improving stability during punching. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 yes Figure 1 A magnified view of part B;

[0015] Figure 3 yes Figure 1 A magnified view of part A;

[0016] Figure 4 yes Figure 1 Enlarged view of part C. DETAILED DESCRIPTION

[0017] Example 1

[0018] refer to Figures 1 to 4The steel pipe ladder front frame punching machine described in this embodiment includes a frame 1, and two mounting tables 2 are arranged on the frame. The two mounting tables are arranged side by side, and the two mounting tables can be far away from or close to each other. In this embodiment, the two ends of the mounting table are connected to the frame through a first slider rail 3 assembly. A plurality of pedal rod connection hole punching assemblies 4 are arranged on the two mounting tables, and each pedal rod connection hole punching assemblies are arranged in a straight line on the mounting table; a plurality of front frame upper and lower limit assemblies 5 are arranged on the two mounting tables, and the front frame main body is limited up and down by the front frame upper and lower limit assemblies 5 during punching, and the front frame upper and lower limit assemblies include a first cylinder 600 fixed on the mounting table, a linkage block 601 is arranged on the piston rod of the first cylinder, a pressure rod 602 is connected to the outer end of the linkage block, and a pressure block 603 is arranged on the end of the pressure rod; the ladder front frame is fixed by the pressure block 603, an extension frame 10 is horizontally arranged on the front end of the frame, a movable plate 11 is arranged on the extension frame, and the movable plate is slidably connected to the extension frame through a third slider rail assembly 12; the movable plate slides along the axial direction of the front frame to adapt to ladder front frames of different heights;

[0019] The movable plate is provided with two hinge hole punching assemblies 7, which can be moved away from or close to each other, and the hinge hole of the front frame is punched by the hinge hole punching assemblies. In this embodiment, the hinge hole punching assembly is connected to the movable plate through the second slider rail assembly 13, which includes a bottom plate 700 connected to the movable plate, a column 701 is fixedly connected to the bottom plate, and a second punching seat 702 is also included. The second punching seat is fixed to the bottom end of the column, and a second workpiece groove 703 is provided on the side of the second punching seat. The top of the second workpiece groove is penetrated by a second punching hole, and a second pneumatic punching cylinder 704 is provided above the second punching seat, and a second punching needle 705 is provided on the second pneumatic punching cylinder. It also includes a driving cylinder 706, the cylinder body of the driving cylinder is fixed to the column, and the outer end of the piston rod is fixedly connected to the movable plate.

[0020] It also includes a front frame front and rear fixing assembly. When punching, the front frame main body is limited front and back by the front frame front and rear limiting assembly. The front frame front and rear fixing assembly includes a connecting plate 20 arranged on the mobile frame, and a blocking portion 21 is arranged on the outer end of the connecting plate. The front end of the front frame is placed on the connecting plate and its top end abuts against the blocking portion. A second cylinder 22 is arranged on the end of the mounting table, and an abutting column 23 is connected to the piston rod of the second cylinder. When fixed, it abuts against the end of the front frame through the abutting column.

[0021] The pedal rod connecting hole punching assembly includes a first punching seat 24 arranged on the mounting table, a first workpiece groove 25 is arranged on the top of the first punching seat, a first punching hole is penetrated through the side of the first workpiece groove, a first pneumatic punch cylinder 26 is arranged on the side of the first punching seat, a first punch needle 27 is arranged on the first pneumatic punch cylinder, and also includes a guide seat 28, which is arranged between the first punching seat and the first pneumatic punch cylinder to guide the first punch needle.

[0022] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel pipe ladder front frame punching machine, characterized in that: The invention comprises a frame, on which two mounting tables are arranged side by side and can move away from or approach each other, and on both mounting tables are several pedal rod connection hole punching assemblies, and each pedal rod connection hole punching assemblies is arranged in a straight line on the mounting table; on both mounting tables are several front frame upper and lower limit assemblies, and when punching, the front frame main body is limited up and down by the front frame upper and lower limit assemblies; an extension frame is horizontally arranged on the front end of the frame, and a movable plate is arranged on the extension frame, and two hinge hole punching assemblies are arranged on the movable plate, and the two hinge hole punching assemblies can move away from or approach each other, and the hinge hole of the front frame is punched by the hinge hole punching assemblies, and also comprises front and rear fixing assemblies of the front frame, and when punching, the front frame main body is limited front and back by the front and rear limit assemblies of the front frame.

2. A steel pipe ladder front frame punching machine according to claim 1, characterized in that: Both ends of the installation table are connected to the frame through first slider rail assemblies.

3. A steel pipe ladder front frame punching machine according to claim 1, characterized in that: The pedal rod connecting hole punching assembly includes a first punching seat arranged on the mounting table, a first workpiece groove is arranged on the top of the first punching seat, a first punching hole is penetrated through the side of the first workpiece groove, a first pneumatic punch cylinder is arranged on the side of the first punching seat, a first punch needle is arranged on the first pneumatic punch cylinder, and also includes a guide seat, which is arranged between the first punching seat and the first pneumatic punch cylinder to guide the first punch needle.

4. A steel pipe ladder front frame punching machine according to claim 1, characterized in that: The hinged hole punching assembly is connected to the base plate on the movable plate through the second slider rail assembly, the base plate is fixedly connected with a column, and also includes a second punching seat, the second punching seat is fixed on the bottom end of the column, the side of the second punching seat is provided with a second workpiece groove, the top of the second workpiece groove is penetrated by a second punching hole, a second pneumatic punch cylinder is provided above the second punching seat, and a second punch needle is provided on the second pneumatic punch cylinder.

5. The steel pipe ladder front frame punching machine according to claim 1, characterized in that: The upper and lower limit assembly of the front frame comprises a first cylinder fixed on the mounting table, a linkage block is arranged on the piston rod of the first cylinder, a pressure rod is connected to the outer end of the linkage block, and a pressure block is arranged on the end of the pressure rod.

6. A steel pipe ladder front frame punching machine according to claim 1, characterized in that: The front and rear fixing components of the front frame include a connecting plate arranged on the mobile frame, a blocking portion is arranged on the outer end of the connecting plate, the front end of the front frame is placed on the connecting plate and its top end abuts against the blocking portion, a second cylinder is arranged on the end of the mounting table, and an abutting column is connected to the piston rod of the second cylinder. When fixed, it abuts against the end of the front frame through the abutting column.

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