Mechanical spinning equipment for steel pipe

Abstract

The utility model discloses mechanical spinning equipment for a steel pipe, and relates to the technical field of steel pipe flaring. Comprising a machine table, a PLC control panel is embedded in the front side of the machine table, a support is installed on the machine table, a spinning motor is installed on the left side of the support, and the spinning motor is electrically connected with the PLC control panel. According to the mechanical spinning equipment for the steel pipes, the steel pipes are arranged in the feeding groove, the jacking plate is driven by the lifting air cylinder to ascend, the steel pipes are pushed into the workpiece groove of the machining table, the pressing air cylinder drives the clamping plate to press the steel pipes, the feeding air cylinder drives the sleeve to horizontally move, and the ends, to be flared, of the steel pipes are aligned to the spinning flaring die head; the spinning flaring die head is driven by the spinning motor to rotate, so that the end opening of the steel pipe is expanded, the flaring amplitude is determined according to the pushing stroke of the feeding air cylinder, the steel pipe is jacked up and guided out by the rising jacking plate after the flaring amplitude is completed, the whole process is controlled by a PLC, the automation degree is high, the production efficiency is high, and the device is suitable for large-scale production of small-specification steel pipes.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe expansion, in particular to a mechanical spinning device for steel pipes. Background Art

[0002] Steel pipe refers to steel with a hollow cross-section whose length is much larger than its diameter or circumference. It is divided into steel pipes for transportation pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc. according to its use.

[0003] In the existing pipe stamping and forming process, it is necessary to process a steel pipe with an end flared structure. The general forming method is to spin the steel pipe using a spinning expander. Conventional machines for expanding the pipe are mostly manual expanding machines, which are cumbersome to use and require manual pressure of a manual pump, which greatly affects the processing efficiency. Utility Model Content

[0004] The utility model provides a mechanical spinning device for a steel pipe to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical spinning equipment for steel pipes, comprising a machine table, a PLC control panel embedded on the front side of the machine table, a support installed on the machine table, and a spinning motor installed on the left side of the support, the spinning motor is electrically connected to the PLC control panel, and a spinning expanding die is installed on the output shaft end of the spinning motor, a feed cylinder is installed on the right side of the support, and a sleeve is installed on the output end of the feed cylinder, a downward pressure cylinder is installed on the top of the support, and a splint is installed on the output end of the downward pressure cylinder, a processing table is installed on the inner bottom of the support, a lifting cylinder is installed in the processing table, and a push plate is installed on the output end of the lifting cylinder, a loading trough is provided on the front side of the processing table, and a discharge trough is provided on the rear side of the processing table.

[0006] Furthermore, a pneumatic control element is installed at the bottom of the machine, and the pneumatic control element is electrically connected to the PLC control panel.

[0007] Furthermore, the pneumatic control element is connected to the feed cylinder, the downward pressure cylinder and the lifting cylinder respectively through pipelines.

[0008] Furthermore, a workpiece groove is provided on the top of the processing table, and the spinning and expanding die head and the sleeve are located on the same axis as the workpiece groove.

[0009] Furthermore, the push plate is a U-shaped structure, one end of which extends into the feeding trough, and the other end extends into the workpiece trough.

[0010] Furthermore, a clamping groove is provided on the clamping plate, and the position of the clamping groove corresponds to the position of the workpiece groove.

[0011] Compared with the prior art, the utility model provides a mechanical spinning device for steel pipes, which has the following beneficial effects:

[0012] The mechanical spinning equipment for steel pipes arranges the steel pipes in a feeding trough, drives the push plate to rise through the lifting cylinder, pushes the steel pipes into the workpiece slot of the processing table, drives the clamp to hold the steel pipe through the pressing cylinder, drives the sleeve to translate, makes the end of the steel pipe to be expanded face the spinning expansion die head, drives the spinning expansion die head to rotate through the spinning motor, thereby expanding the port of the steel pipe, and the expansion amplitude is determined according to the propulsion stroke of the feed cylinder. After completion, the steel pipe is lifted up and exported by the rising push plate. The whole process is controlled by PLC, with a high degree of automation and high production efficiency, and is suitable for mass production of small-size steel pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a top view of the utility model;

[0015] Figure 3 It is a partial schematic diagram of the utility model.

[0016] In the figure: 1. Machine; 2. PLC control panel; 3. Support; 4. Spinning motor; 5. Spinning and expanding die head; 6. Feed cylinder; 7. Sleeve; 8. Down-pressing cylinder; 9. Clamp; 10. Processing table; 11. Lifting cylinder; 12. Push plate; 13. Loading chute; 14. Discharging chute; 15. Pneumatic control element; 16. Workpiece slot; 17. Positioning slot. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-Figure 3The utility model discloses a mechanical spinning equipment for steel pipes, including a machine platform 1, a PLC control panel 2 is embedded on the front side of the machine platform 1, a support 3 is installed on the machine platform 1, and a spinning motor 4 is installed on the left side of the support 3, the spinning motor 4 is electrically connected to the PLC control panel 2, and a spinning expansion die 5 is installed on the output shaft end of the spinning motor 4, a feed cylinder 6 is installed on the right side of the support 3, and a sleeve 7 is installed on the output end of the feed cylinder 6, a pressing cylinder 8 is installed on the top of the support 3, and a clamping plate 9 is installed on the output end of the pressing cylinder 8, a processing table 10 is installed on the inner bottom of the support 3, a lifting cylinder 11 is installed in the processing table 10, and a push plate 1 is installed on the output end of the lifting cylinder 11 2. Arrange the steel pipes in the feeding trough 13, and drive the push plate 12 to rise through the lifting cylinder 11 to push the steel pipe into the workpiece slot 16 of the processing table 10. The pressing cylinder 8 drives the clamping plate 9 to press the steel pipe, and the feeding cylinder 6 drives the sleeve 7 to translate, so that the end of the steel pipe to be expanded is aligned with the spinning expansion die 5. The spinning motor 4 drives the spinning expansion die 5 to rotate, so as to expand the port of the steel pipe. The expansion amplitude is determined according to the propulsion stroke of the feeding cylinder 6. After completion, the steel pipe is lifted up and led out by the rising push plate 12. The whole process is controlled by PLC, with high automation and high production efficiency, which is suitable for mass production of small-sized steel pipes. The front side of the processing table 10 is provided with a feeding trough 13, and the rear side of the processing table 10 is provided with a discharging trough 14.

[0019] Specifically, a pneumatic control element 15 is installed at the lower part of the machine 1 , and the pneumatic control element 15 is electrically connected to the PLC control panel 2 .

[0020] In this embodiment, the pneumatic control element 15, as the name implies, is a valve type used to control and adjust the pressure, flow and direction of compressed air, so that the pneumatic actuator can obtain the required force, movement speed and change the direction of movement, and work automatically according to the prescribed procedures.

[0021] Specifically, the pneumatic control element 15 is connected to the feed cylinder 6 , the pressing cylinder 8 and the lifting cylinder 11 through pipelines.

[0022] In this embodiment, the feed cylinder 6, the pressing cylinder 8 and the lifting cylinder 11 are connected to an external air source via a pneumatic control element 15 and are linked with the PLC control panel 2 to achieve programmed control.

[0023] Specifically, a workpiece groove 16 is provided on the top of the processing table 10 , and the spinning and expanding die head 5 and the sleeve 7 are both located on the same axis as the workpiece groove 16 .

[0024] In this embodiment, the workpiece groove 16 is used to position the inserted steel pipe, and the sleeve 7 is against one end of the steel pipe. Under the action of the feed cylinder 6, the other end of the steel pipe is moved toward the spinning and expanding die 5 to perform the expanding operation.

[0025] Specifically, the push plate 12 is a U-shaped structure, one end of which extends into the feed chute 13 , and the other end of which extends into the workpiece chute 16 .

[0026] In this embodiment, if Figure 3 As shown in FIG. 1 , when the push plate 12 rises, one end of the push plate 12 can push out the steel pipe in the workpiece slot 16 , and the other end of the push plate 12 can push in the steel pipe in the loading slot 13 .

[0027] Specifically, a clamping groove 17 is provided on the clamping plate 9 , and the clamping groove 17 corresponds to the position of the workpiece groove 16 .

[0028] In this embodiment, the clamping plate 9 is mainly used to limit the position of the steel pipe, so as to prevent the steel pipe from shaking too much during the spinning and expanding process.

[0029] When in use, the steel pipes are arranged in the feeding trough 13, and the push plate 12 is driven up by the lifting cylinder 11 to push the steel pipe into the workpiece slot 16 of the processing table 10, and the pressing cylinder 8 drives the clamping plate 9 to press on the steel pipe, and the feeding cylinder 6 drives the sleeve 7 to translate, so that the end of the steel pipe to be expanded is aligned with the spinning expansion die 5, and the spinning expansion die 5 is driven to rotate by the spinning motor 4, so as to expand the port of the steel pipe. The expansion amplitude is determined according to the propulsion stroke of the feeding cylinder 6. After completion, the steel pipe is lifted up and exported by the rising push plate 12. The whole process is controlled by PLC, with a high degree of automation and high production efficiency, and is suitable for mass production of small-sized steel pipes.

[0030] In summary, the mechanical spinning equipment for steel pipes arranges the steel pipes in a feeding trough 13, drives the push plate 12 to rise through the lifting cylinder 11, pushes the steel pipes into the workpiece slot 16 of the processing table 10, drives the clamping plate 9 to press the steel pipe, drives the sleeve 7 to translate through the feed cylinder 6, so that the end of the steel pipe to be expanded is aligned with the spinning expansion die 5, and drives the spinning expansion die 5 to rotate through the spinning motor 4, so as to expand the port of the steel pipe, and the expansion amplitude is determined according to the propulsion stroke of the feed cylinder 6. After completion, the steel pipe is lifted up and exported by the rising push plate 12. The whole process is controlled by PLC, with a high degree of automation and high production efficiency, which is suitable for mass production of small-sized steel pipes.

[0031] 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 mechanical spinning device for steel pipes, comprising a machine (1), characterized in that: A PLC control panel (2) is embedded on the front side of the machine (1), a support (3) is installed on the machine (1), and a spinning motor (4) is installed on the left side of the support (3), the spinning motor (4) is electrically connected to the PLC control panel (2), and a spinning expansion die (5) is installed on the output shaft end of the spinning motor (4), a feed cylinder (6) is installed on the right side of the support (3), and a sleeve (7) is installed on the output end of the feed cylinder (6), A downward-pressing cylinder (8) is installed on the top of the support (3), and a clamping plate (9) is installed on the output end of the downward-pressing cylinder (8); a processing table (10) is installed on the inner bottom of the support (3); a lifting cylinder (11) is installed in the processing table (10), and a push plate (12) is installed on the output end of the lifting cylinder (11); a loading trough (13) is provided on the front side of the processing table (10), and a discharging trough (14) is provided on the rear side of the processing table (10).

2. The mechanical spinning equipment for steel pipe according to claim 1, characterized in that: A pneumatic control element (15) is installed at the bottom of the machine (1), and the pneumatic control element (15) is electrically connected to the PLC control panel (2).

3. The mechanical spinning equipment for steel pipe according to claim 2, characterized in that: The pneumatic control element (15) is respectively connected to the feed cylinder (6), the pressing cylinder (8) and the lifting cylinder (11) through pipelines.

4. The mechanical spinning equipment for steel pipe according to claim 1, characterized in that: A workpiece groove (16) is provided on the top of the processing table (10), and the spinning and expanding die head (5) and the sleeve (7) are both located on the same axis as the workpiece groove (16).

5. The mechanical spinning equipment for steel pipe according to claim 4, characterized in that: The push plate (12) is a U-shaped structure, one end of which extends into the material loading trough (13) and the other end of which extends into the workpiece trough (16).

6. The mechanical spinning equipment for steel pipe according to claim 4, characterized in that: The clamping plate (9) is provided with a clamping groove (17), and the position of the clamping groove (17) corresponds to the position of the workpiece groove (16).

Images