Full-automatic steel pipe fixed-length cutting mechanism

Abstract

The utility model discloses a full-automatic steel pipe fixed-length cutting mechanism, which belongs to the technical field of steel pipe production and comprises a conveying frame, a conveying device is arranged on the conveying frame, the conveying direction of the conveying device is set to be a first direction, a fixed-length frame is arranged on the conveying frame and can move along the first direction, and an opening is formed in one end, close to the conveying frame, of the fixed-length frame. A base is arranged on the sizing frame, a material blocking frame is hinged to the sizing frame, a first connecting base is arranged on the material blocking frame, the base and the first connecting base are connected through an air cylinder, the air cylinder can drive the material blocking frame to swing between a first angle and a second angle in a reciprocating mode, and when the material blocking frame is at the first angle, the material blocking frame is vertically arranged and can block conveying of steel pipes; and at the second angle, the material blocking frame is in an open state, and conveying of the steel pipes in the first direction is not hindered. A plurality of steel pipes are limited by the material blocking frame at the first angle, so that the ends of the steel pipes are flush to be cut, the cutting precision is improved, and the steel pipes can be continuously conveyed at the second angle to enter the next procedure.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe production, in particular to a full-automatic steel pipe cut-to-length mechanism. Background Art

[0002] A steel pipe refers to a steel material with a hollow cross-section whose length is much larger than its diameter or circumference. During the production process, the steel pipe is often cut into different sizes according to needs. The existing steel pipe cutting device has a complex structure and poor practicality. The steel pipe needs to be measured before cutting during each cutting process. The slightest carelessness will cause deviations between the finished products, waste time, and reduce production efficiency. In addition, during the transportation process of multiple steel pipes, it is easy for some steel pipes to not be fully transported forward due to external resistance, resulting in the size of some steel pipes not meeting the requirements during cutting and low cutting accuracy.

[0003] In view of the above problems existing in the prior art, the present invention designs and manufactures a fully automatic steel pipe cutting mechanism based on many years of design and use experience in related fields to overcome the above defects. Utility Model Content

[0004] In order to solve the problems existing in the prior art, the utility model provides a fully automatic steel pipe cutting mechanism, which can automatically cut steel pipes into different sizes and cut multiple steel pipes at the same time, thereby improving the cutting accuracy of multiple steel pipes and improving production efficiency.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a fully automatic steel pipe cut-to-length mechanism comprises a conveying frame, the conveying frame is provided with a conveying device for conveying the steel pipe, the conveying direction of the conveying device is set to a first direction, the first direction is parallel to the axis of the steel pipe, the conveying frame is provided with a cut-to-length frame, the cut-to-length frame can move along the first direction, the cut-to-length frame is provided with an opening near one end of the conveying frame, the cut-to-length frame is provided with a base, the cut-to-length frame is hinged with a material blocking frame, and the material blocking frame is provided with a first connecting seat;

[0006] The base and the first connecting seat are connected by a cylinder, and the cylinder can drive the material blocking frame to swing back and forth between a first angle and a second angle; at the first angle, the material blocking frame is vertically arranged, and the material blocking frame can block the transportation of the steel pipe; at the second angle, the material blocking frame is in an open state and will not hinder the transportation of the steel pipe along the first direction;

[0007] A cutting device is provided on the conveying frame, the cutting device is connected to a controller, and the controller is connected to the cylinder.

[0008] Preferably, the sizing rack is located above the conveying rack.

[0009] Preferably, the material blocking frame is U-shaped; along the first direction, the material blocking frame is located behind the sizing frame.

[0010] Preferably, the piston rod end of the cylinder is hinged to the first connecting seat, the other end of the cylinder is hinged to the base, and the cylinder is parallel to the first direction.

[0011] Preferably, the conveying device includes a plurality of rollers and a reduction motor, the rollers are rotatably arranged on a conveying frame, the rollers are horizontally arranged and perpendicular to the first direction, and the rollers are transmission-connected to the reduction motor.

[0012] Preferably, a first gear is provided at one end of the drum, and a plurality of the first gears are connected through a first chain transmission;

[0013] A second gear is arranged on the output shaft of the reduction motor, a third gear is arranged at one end of a roller, and the third gear is connected to the second gear through a second chain transmission.

[0014] Preferably, the conveying frame is provided with a plurality of limit plates, the limit plates are arranged vertically, the lower end of the limit plates is connected to a pressing plate, the lower end of the pressing plate is connected to a plurality of guide rods around the guide rods, the guide rods are arranged vertically, the center of the lower end of the pressing plate is connected to a second connecting seat, the lower end of the second connecting seat is provided with an electric push rod, the electric push rod is arranged vertically, the upper end of the electric push rod is connected to the second connecting seat, the lower end of the electric push rod is connected to a fixed seat, and the fixed seat is arranged on the conveying frame;

[0015] A guide plate is provided on the conveying frame, the guide plate is horizontally arranged, a plurality of through holes are provided on the guide plate, a plurality of guide rods and electric push rods pass through the through holes and pass through the guide plate, a plurality of guide cylinders are connected to the lower end of the guide plate, the guide cylinders are vertically arranged and sleeved on the guide rods.

[0016] Preferably, a slide rail is provided on the conveying frame, a slide seat is provided at the lower end of the cut-to-length frame, the slide seat slides on the slide rail, a servo motor for driving the cut-to-length frame to slide is provided on the conveying frame, and the servo motor is connected to a controller.

[0017] Preferably, a displacement sensor is provided on the sizing frame, and the displacement sensor is connected to a controller, and the controller is a PLC controller.

[0018] Preferably, the cutting device is a steel pipe cutting machine.

[0019] The utility model is beneficial in that:

[0020] 1. The utility model is provided with a cut-to-length frame and a material blocking frame. Under the control of a controller, the cut-to-length frame automatically moves to a designated position. The size of the steel pipe cutting can be changed by changing the position of the cut-to-length frame on the conveying frame. The material blocking frame is used in conjunction with a cylinder. At a first angle, the material blocking frame limits the positions of a plurality of steel pipes, so that the ends of the plurality of steel pipes can be cut in a flush state, thereby improving the cutting accuracy. At a second angle, the material blocking frame is in an open state, and the cut steel pipe can continue to be conveyed along the first direction.

[0021] 2. The utility model has a high degree of automation and high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the fully automatic steel pipe cutting-to-length mechanism.

[0023] Figure 2 It is a side view of the local structure of the fully automatic steel pipe cutting-to-length mechanism.

[0024] Figure 3 This is a schematic diagram of the cut-to-length frame structure in the fully automatic steel pipe cut-to-length mechanism.

[0025] In the figure: 1-conveying frame, 2-sizing frame, 3-material blocking frame, 4-base, 5-first connecting seat, 6-cylinder, 7-guide cylinder, 8-roller, 9-reduction motor, 10-first chain, 11-second chain, 12-limiting plate, 13-pressing plate, 14-guide rod, 15-second connecting seat, 16-electric push rod, 17-fixed seat, 18-guide plate. DETAILED DESCRIPTION

[0026] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0027] like Figure 1-3 As shown, the fully automatic steel pipe fixed-length cutting mechanism comprises a conveying frame 1, on which is provided a conveying device for conveying the steel pipe, the conveying direction of the conveying device is set to a first direction, the first direction is parallel to the axis of the steel pipe, the conveying frame 1 is provided with a fixed-length frame 2, the fixed-length frame 2 can move along the first direction, the fixed-length frame 2 is provided with an opening near one end of the conveying frame 1, a base 4 is provided on the fixed-length frame 2, a material blocking frame 3 is hingedly connected to the fixed-length frame 2, a first connecting seat 5 is provided on the material blocking frame 3, the base 4 and the first connecting seat 5 are connected by a cylinder 6, the cylinder 6 can drive the material blocking frame 3 to swing back and forth between a first angle and a second angle, at the first angle, the material blocking frame 3 is vertically arranged, the material blocking frame 3 can block the conveying of the steel pipe, at the second angle, the material blocking frame 3 is in an open state, and will not hinder the conveying of the steel pipe along the first direction, a cutting device is provided above the conveying frame 1, the cutting device is connected to a controller, and the controller is connected to the cylinder 6.

[0028] Specifically, the sizing rack 2 can move on the conveying rack 1, and the position of the sizing rack 2 can be changed according to the size of the steel pipe. The cutting device cuts the steel pipe to obtain steel pipes of different sizes. When the material blocking rack 3 is at the first angle, multiple steel pipes are blocked when they are conveyed to the material blocking rack 3, and the ends of multiple steel pipes abut against the material blocking rack 3, so that the multiple steel pipes are cut in a flush state, thereby improving the cutting accuracy. When the material blocking rack 3 is at the second angle, the material blocking rack 3 will not hinder the conveying of the steel pipe, and the cut steel pipe will continue to be conveyed to the next process. The controller can control the cutting device to cut the steel pipe, control the extension and retraction of the piston rod of the cylinder 6, and then control the swing of the material blocking rack 2, with a high degree of automation.

[0029] The sizing frame 2 is located above the conveying frame 1, and the material blocking frame 3 is U-shaped. Along the first direction, the material blocking frame 3 is located behind the sizing frame 2. One end of the cylinder 6, that is, the piston rod end, is hinged to the first connecting seat 5, and the other end of the cylinder 6 is hinged to the base 4. The cylinder 6 is parallel to the first direction. The conveying device includes a plurality of rollers 8 and a reduction motor 9. The roller 8 is rotatably arranged on the conveying frame 1. The roller 8 and the reduction motor 9 are transmission connected. A first gear is provided at one end of the roller 8, and a plurality of first gears are transmission connected by a first chain 10. A second gear is provided on the output shaft of the reduction motor 9, and a third gear is provided at one end of a roller 8. The third gear and the second gear are transmission connected by a second chain 11.

[0030] The reduction motor 9 of the utility model drives the second gear to rotate, the second gear synchronously drives the third gear to rotate through the second chain 11, the third gear drives the roller 8 connected to the third gear to rotate, the roller 8 connected to the third gear drives the first gear to rotate, the first gear drives the remaining first gears to rotate through the first chain 10, and then drives the remaining rollers 8 to rotate, thereby conveying the steel pipe.

[0031] The conveyor frame 1 is provided with a plurality of limit plates 12, the limit plates 12 are arranged vertically, the lower end of the limit plates 12 is connected to a pressure plate 13, the lower end of the pressure plate 13 is connected with a plurality of guide rods 14, the guide rods 14 are arranged vertically, the center of the lower end of the pressure plate 13 is connected to a second connecting seat 15, the lower end of the second connecting seat 15 is provided with an electric push rod 16, the electric push rod 16 is arranged vertically, the upper end of the electric push rod 16 is connected to the second connecting seat 15, the upper end of the electric push rod 16 is an extended end, the lower end of the electric push rod 16 is connected to a fixed seat 17, the fixed seat 17 is arranged on the conveyor frame 1, the conveyor frame 1 is provided with a guide plate 18, the guide plate 18 is arranged horizontally, and the guide plate 18 is provided with A plurality of through holes, a plurality of guide rods 14 and an electric push rod 16 all pass through the guide plate 18 through the through holes, a plurality of guide cylinders 7 are connected to the lower end of the guide plate 18, the guide cylinders 7 are vertically arranged and sleeved on the guide rods 14, a slide rail parallel to the first direction is provided on the conveying frame, a slide seat is provided on the cut-to-length frame 2, the slide seat slides on the slide rail, a servo motor (not shown in the figure) is provided on the conveying frame 1 for driving the cut-to-length frame 2 to slide, the servo motor is connected to the controller, a displacement sensor is provided on the cut-to-length frame 2, the displacement sensor is connected to the controller, the controller is a PLC controller, the cutting device is a steel pipe cutting machine, the steel pipe cutting machine is a conventional device in the field and is not described here.

[0032] Specifically, along the first direction, the upper end of the electric push rod 16 behind the material blocking frame 3 pushes upward, driving the pressing plate 13 to move upward, and the pressing plate 13 rises to the height of the material blocking frame 3 to limit the material blocking frame 3; along the first direction, the extended end of the electric push rod 16 in front of the material blocking frame 3 pushes upward, driving the pressing plate 13 to move upward until the lower end of the pressing plate 13 is higher than the upper end of the steel pipe on the roller 8, so that multiple steel pipes can be transported from the gap below the pressing plate 13 along the first direction, and the electric push rod 16 is started to move downward, driving the pressing plate 13 to move downward until it abuts against the upper surfaces of the multiple steel pipes, thereby pressing the multiple steel pipes. Tighten to prevent the steel pipe from moving during the cutting process and improve the cutting accuracy. The guide plate 18 and the guide cylinder 7 guide the guide rod 14 to make the guide rod 14 move in the vertical direction. The guide rods 14 around the pressure plate 13 balance the pressure plate 13 to prevent the pressure plate 13 from tilting. Input the steel pipe size parameters into the PLC controller. The PLC controller can control the operation of the servo motor. The servo motor drives the cut-to-length frame 2 to slide to the specified position along the conveying frame 1. The displacement sensor can transmit the position of the cut-to-length frame 2 to the controller, thereby obtaining the position information of the cut-to-length frame 2 and further determining the cutting size of the steel pipe.

[0033] Specific operation process

[0034] Start the servo motor, input the steel pipe size into the PLC controller, the cut-to-length frame 2 drives the material blocking frame 3 to automatically slide to the appropriate position of the conveying frame 1, and the electric push rod 16 behind the material blocking frame 3 is started along the first direction. The extended end of the electric push rod 16 pushes upward, driving the pressure plate 13 to move upward, and the pressure plate 13 rises to the height of the material blocking frame 3 to limit the material blocking frame 3. At this time, the material blocking frame 3 is at the first angle, and the reduction motor 9 is started. The reduction motor 9 drives the second gear to rotate, and the second gear drives the third gear to rotate synchronously through the second chain 11. The third gear drives The corresponding roller 8 rotates, and the corresponding roller 8 drives the first gear to rotate, and drives the remaining first gears to rotate through the first chain 10, and then drives the roller 8 where the first gear is located to rotate, and respectively starts a plurality of electric push rods 16 in front of the material blocking frame 3 along the first direction, and the extended end of the electric push rod 16 pushes the pressure plate 13 upward, so that the lower end of the pressure plate 13 is higher than the upper end of the roller 8, and multiple steel pipes are placed on the roller 8. The roller 8 transports the multiple steel pipes, and the multiple steel pipes pass through the gap under the pressure plate 13. When the ends of the multiple steel pipes reach the fixed-length frame 2 and abut against the material blocking frame 3, the material blocking The rack 3 prevents the steel pipe from continuing to be transported forward. When the ends of all the steel pipes are flush with the material blocking rack 3, the reduction motor 9 is stopped, and the several electric push rods 16 in front of the material blocking rack 3 are started respectively along the first direction. The electric push rods 16 drive the pressing plate 13 to move downward until the pressing plate 13 abuts against the upper surfaces of the multiple steel pipes, and the multiple steel pipes are pressed to prevent the steel pipes from moving during the cutting process. The steel pipe cutting machine is started, and the steel pipe cutting machine cuts the multiple steel pipes at the same time. After the cutting is completed, the several electric push rods 16 in front of the material blocking rack 3 are started respectively along the first direction. The electric push rods The extended end of 16 pushes the pressure plate 13 upward, so that the lower end of the pressure plate 13 is higher than the upper end of the steel pipe, and the electric push rod 16 abutting against the material blocking frame 3 is started. The electric push rod 16 drives the pressure plate 13 to move downward until the top of the pressure plate 13 is lower than the bottom end of the material blocking frame 3, and the cylinder 6 is started. The piston rod of the cylinder 6 extends outward, driving the material blocking frame 3 to rotate, and the cylinder 6 rotates accordingly until the material blocking frame 3 does not hinder the steel pipe from being transported in the first direction. At this time, the material blocking frame 3 is at the second angle, and the reduction motor 9 is started to drive the roller 8 to continue to rotate, and the roller 8 transports the cut steel pipe to the next process.

[0035] It should be understood that the purpose of these embodiments is only to illustrate the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all of these equivalent forms also fall within the protection scope defined by the claims attached to this application.

Claims

1. Fully automatic steel pipe cutting mechanism, characterized by: The invention comprises a conveying frame (1), wherein a conveying device for conveying a steel pipe is provided on the conveying frame (1), wherein the conveying direction of the conveying device is set to a first direction, wherein the first direction is parallel to the axis of the steel pipe, wherein a sizing frame (2) is provided on the conveying frame (1), wherein the sizing frame (2) can move along the first direction, wherein an opening is provided at one end of the sizing frame (2) close to the conveying frame (1), and wherein a base (4) is provided on the sizing frame (2); wherein a material blocking frame (3) is hingedly connected to the sizing frame (2), and wherein a first connecting seat (5) is provided on the material blocking frame (3); The base (4) and the first connecting seat (5) are connected via a cylinder (6), and the cylinder (6) can drive the material blocking frame (3) to swing back and forth between a first angle and a second angle; at the first angle, the material blocking frame (3) is vertically arranged, and the material blocking frame (3) can block the transportation of the steel pipe; at the second angle, the material blocking frame (3) is in an open state and will not hinder the transportation of the steel pipe along the first direction; The conveying frame (1) is provided with a cutting device, the cutting device is connected to a controller, and the controller is connected to the cylinder (6).

2. The fully automatic steel pipe cutting-to-length mechanism according to claim 1 is characterized in that: The sizing frame (2) is located above the conveying frame (1).

3. The fully automatic steel pipe cutting-to-length mechanism according to claim 2 is characterized in that: The material blocking frame (3) is U-shaped; along the first direction, the material blocking frame (3) is located behind the sizing frame (2).

4. The fully automatic steel pipe cutting-to-length mechanism according to claim 1, characterized in that: One end of the cylinder (6) is hinged to the base (4), the other end of the cylinder (6) is hinged to the first connecting seat (5), and the cylinder (6) is parallel to the first direction.

5. The fully automatic steel pipe cutting-to-length mechanism according to claim 1 is characterized in that: The conveying device comprises a plurality of rollers (8) and a reduction motor (9); the rollers (8) are rotatably arranged on a conveying frame (1); the rollers (8) are arranged horizontally and perpendicular to a first direction; and the rollers (8) and the reduction motor (9) are drivingly connected.

6. The fully automatic steel pipe cutting-to-length mechanism according to claim 5, characterized in that: A first gear is provided at one end of the roller (8), and a plurality of the first gears are connected to each other through a first chain (10); A second gear is provided on the output shaft of the reduction motor (9), a third gear is provided at one end of a roller (8), and the third gear is connected to the second gear via a second chain (11).

7. The fully automatic steel pipe cutting-to-length mechanism according to claim 1, characterized in that: The conveying frame (1) is provided with a plurality of limit plates (12), the limit plates (12) are arranged vertically, the lower end of the limit plates (12) is connected to a pressure plate (13), the lower end of the pressure plate (13) is connected to a plurality of guide rods (14) around the guide rods (14), the guide rods (14) are arranged vertically, the center of the lower end of the pressure plate (13) is connected to a second connecting seat (15), the lower end of the second connecting seat (15) is provided with an electric push rod (16), the electric push rod (16) is arranged vertically, the upper end of the electric push rod (16) is connected to the second connecting seat (15), the lower end of the electric push rod (16) is connected to a fixed seat (17), and the fixed seat (17) is arranged on the conveying frame (1); The conveying frame (1) is provided with a guide plate (18), the guide plate (18) is arranged horizontally, the guide plate (18) is provided with a plurality of through holes, a plurality of guide rods (14) and electric push rods (16) pass through the guide plate (18) through the through holes, a plurality of guide cylinders (7) are connected around the lower end of the guide plate (18), and the guide cylinders (7) are arranged vertically and sleeved on the guide rods (14).

8. The fully automatic steel pipe cutting-to-length mechanism according to claim 1, characterized in that: The conveying frame (1) is provided with a slide rail, the sizing frame (2) is provided with a slide seat, the slide seat slides on the slide rail, the conveying frame (1) is provided with a servo motor for driving the sizing frame (2) to slide, and the servo motor is connected to a controller.

9. The fully automatic steel pipe cutting-to-length mechanism according to claim 8, characterized in that: The sizing frame (2) is provided with a displacement sensor, and the displacement sensor is connected to a controller, and the controller is a PLC controller.

10. The fully automatic steel pipe cutting-to-length mechanism according to claim 1, characterized in that: The cutting device is a steel pipe cutting machine.

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