Fixed-length cutting device for plastic-coated steel pipe

Abstract

The utility model relates to the technical field of plastic-coated steel pipe processing equipment, and discloses a fixed-length cutting device for a plastic-coated steel pipe, which comprises a bottom frame, the rear end of the bottom frame is fixedly connected with a support plate, the middle part of the top end of the support plate is fixedly connected with a hydraulic cylinder, and the driving end of the hydraulic cylinder is fixedly connected with a connecting shaft; the bottom end of the connecting shaft is fixedly connected with a connecting plate, the front side of the connecting plate is fixedly connected with a bottom plate, the top end of the middle of the bottom plate is fixedly connected with a supporting block, the inner wall of the middle of the supporting block is in threaded connection with a threaded rod, the middle of the bottom plate is provided with a through groove, and the interior of the through groove is slidably connected with a limiting assembly. According to the multi-section rapid cutting device, multi-section rapid cutting machining of the steel pipe fitting is achieved according to the requirement for automatically adjusting the cutting meditation, the production efficiency is greatly improved, rapid clamping and fixing of the steel pipe fittings of different sizes are achieved, manual adjusting and clamping are replaced, and operation is easy.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic - coated steel pipe processing equipment, in particular to a fixed - length cutting device for plastic - coated steel pipes. Background Technique

[0002] Plastic - coated steel pipe, also known as plastic - coated pipe, steel - plastic composite pipe, plastic - coated composite steel pipe, is a steel - plastic composite steel pipe with a steel pipe as the base body, and a plastic anti - corrosion layer is welded on the inner surface of the steel pipe by spraying, rolling, dipping, or suction process, or plastic anti - corrosion layers are welded on both the inner and outer surfaces.

[0003] After retrieval, a cutting device for steel pipe fittings disclosed in a Chinese patent with the publication number of CN216912311U includes a workbench. A support cutting mechanism and a sliding table are fixedly installed at the upper end of the workbench. Among them, the support cutting mechanism is arranged on one side of the sliding table, and a pipe fitting limiting device is slidably connected to the upper end of the sliding table. A plurality of limiting holes are arranged in the middle of the sliding table. Among them, the pipe fitting limiting device includes a slider, a limiting support mechanism, an adjusting mechanism, a clamping mechanism, and an inserting column. The lower end of the slider is slidably connected to the sliding table, and connection holes are arranged in the middle of both sides of the slider. The cutting device for steel pipe fittings of the utility model is provided with a pipe fitting limiting device, which can firmly fix the steel pipe fittings, prevent the steel pipe fittings from shifting during the cutting process, improve the cutting accuracy of the steel pipe fittings, and can conveniently adjust and control the cutting length of the steel pipe fittings, bringing a better application prospect.

[0004] In the specific implementation manner of the above - mentioned patent, it is mentioned that "a scale rod 11 is fixedly installed at the upper end of the sliding table 10. The scale rod 11 can facilitate the staff to measure the cutting length of the steel pipe fittings. A pipe fitting limiting device 12 is slidably connected to the upper end of the sliding table 10. Among them, the sliding table 10 plays a role of bearing, fixing, guiding the moving pipe fitting limiting device 12 and reducing its friction. The steel pipe fittings can be firmly fixed through the pipe fitting limiting device 12". However, in the above, the steel pipe is fixed by cooperating the limiting device and the scale rod to achieve fixed - length cutting of the steel pipe. However, since this operation requires the worker to manually fix the steel pipe multiple times to process the cut steel pipe, this is not only cumbersome in operation but also low in processing efficiency. To solve the above problems, a fixed - length cutting device for plastic - coated steel pipes is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a fixed - length cutting device for plastic - coated steel pipes is proposed, aiming to improve the problem that the manual clamping and fixing multiple times in the prior art lead to cumbersome cutting operations and low processing efficiency of steel pipes.

[0006] To achieve the above - mentioned purpose, the utility model provides the following technical solutions:

[0007] A fixed-length cutting device for coated steel pipes, including a chassis, a support plate is fixedly connected to the rear end of the chassis, a hydraulic cylinder is fixedly connected to the middle of the top of the support plate, a connecting shaft is fixedly connected to the driving end of the hydraulic cylinder, a connecting plate is fixedly connected to the bottom end of the connecting shaft, a bottom plate is fixedly connected to the front side of the connecting plate, a support block is fixedly connected to the middle top of the bottom plate, a threaded rod is threadedly connected to the inner wall of the middle of the support block, a through groove is opened in the middle of the bottom plate, a limiting component is slidably connected inside the through groove, abutting blocks are fixedly connected to both the left and right sides of the bottom plate, long grooves are opened on the adjacent sides of the two abutting blocks, four connecting rods are fixedly connected to the adjacent sides of the two abutting blocks, four processors are slidably connected to the outside of the four connecting rods, a limiting column is fixedly connected to the middle of the rear end of the processor, motors are fixedly connected to both the left and right sides of the top of the chassis, and a fixing component is fixedly connected to the driving end of the motor;

[0008] As a further description of the above technical solution:

[0009] The limiting component includes a slider, a sliding plate and four long holes. The outside of the slider is slidably connected to the inner wall of the through groove. The front end of the slider is fixedly connected to the middle of the rear end of the sliding plate. The long holes are opened on both the left and right sides of the long hole;

[0010] As a further description of the above technical solution:

[0011] The fixing component includes a connecting column, two connecting rods, two rotating rods, a support plate, two sliding grooves, two sliding parts and two clamping blocks. The bottom end of the connecting column is fixedly connected to the driving end of the motor. The outside of the connecting column is fixedly connected to the adjacent sides of the two connecting rods. The adjacent sides of the two rotating rods are rotatably connected to the top ends of the far sides of the two connecting rods. The sliding grooves are opened in the middle of both the left and right sides of the support plate. The outside of the sliding part is slidably connected to the inner wall of the sliding groove. The top end of the sliding part is fixedly connected to the bottom end of the clamping block;

[0012] As a further description of the above technical solution:

[0013] The middle of the slider is threadedly connected to the outside of the threaded rod. The rear side of the sliding plate is slidably connected to the front side of the bottom plate;

[0014] As a further description of the above technical solution:

[0015] The outside of the limiting column is slidably connected to the inner wall of the long hole. Both the left and right sides of the sliding plate are slidably connected to the inner wall of the long groove;

[0016] As a further description of the above technical solution:

[0017] The rear side of the processor is slidably connected to the front side of the slide plate;

[0018] As a further description of the above technical solution:

[0019] The bottom end of the connecting rod is slidably connected to the top end of the support plate, and the far sides of the two rotating rods are rotatably connected to the adjacent sides of the two sliding members.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, through the cooperation of components such as the coupling shaft, connecting plate, bottom plate, support block, and processor, multi-segment rapid cutting and processing of steel pipe fittings are realized according to the automatic adjustment of cutting length requirements, greatly improving production efficiency, eliminating the need for manual measurement and adjustment of the length of each segment, reducing operation time, and realizing batch production.

[0022] 2. In the utility model, through the cooperation of components such as the motor, connecting column, connecting rod, rotating rod, and support plate, automatic rapid clamping and fixing of steel pipe fittings of different sizes are realized, replacing manual adjustment of clamping, with simple operation. Description of the drawings

[0023] Figure 1 is a perspective view of a fixed-length cutting device for plastic-coated steel pipes proposed by the utility model;

[0024] Figure 2 is a schematic structural diagram of the coupling shaft of a fixed-length cutting device for plastic-coated steel pipes proposed by the utility model;

[0025] Figure 3 is a schematic structural diagram of the through groove of a fixed-length cutting device for plastic-coated steel pipes proposed by the utility model;

[0026] Figure 4 is an exploded view of the slide plate of a fixed-length cutting device for plastic-coated steel pipes proposed by the utility model;

[0027] Figure 5 is a schematic structural diagram of the motor of a fixed-length cutting device for plastic-coated steel pipes proposed by the utility model.

[0028] Legend description:

[0029] 1. Underframe; 2. Support plate; 3. Hydraulic cylinder; 4. Coupling shaft; 5. Connecting plate; 6. Bottom plate; 7. Support block; 8. Threaded rod; 9. Through groove; 10. Slide block; 11. Slide plate; 12. Long hole; 13. Block; 14. Long groove; 15. Connecting rod; 16. Processor; 17. Limit post; 18. Motor; 19. Connecting column; 20. Connecting rod; 21. Rotating rod; 22. Support plate; 23. Chute; 24. Sliding member; 25. Clamping block. Detailed implementation manners

[0030] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0031] Referring to Figures 1 - 3 , an embodiment provided by the present utility model: a fixed-length cutting device for plastic-coated steel pipes, including a chassis 1, a support plate 2 is fixedly connected to the rear end of the chassis 1, the chassis 1 supports and fixes the support plate 2, the middle part of the top of the support plate 2 is fixedly connected with a hydraulic cylinder 3, the support plate 2 supports and limits the height of the hydraulic cylinder 3, the driving end of the hydraulic cylinder 3 is fixedly connected with a connecting shaft 4, the bottom end of the connecting shaft 4 is fixedly connected with a connecting plate 5, when the hydraulic cylinder 3 starts, it drives the connecting plate 5 to expand and contract up and down through the connection of the connecting shaft 4, the front side of the connecting plate 5 is fixedly connected with a bottom plate 6, the middle top of the bottom plate 6 is fixedly connected with a support block 7, when the connecting plate 5 expands and contracts synchronously, it will drive the bottom plate 6 up and down, the middle inner wall of the support block 7 is threadedly connected with a threaded rod 8, the support block 7 is fixed on the bottom plate 6 to limit the threaded rod 8 and enable the threaded rod 8 to rotate in place, a through groove 9 is opened in the middle of the bottom plate 6, and a limiting component is slidably connected inside the through groove 9. The opening of the through groove 9 is for the limiting component to slide up and down.

[0032] Both the left and right sides of the bottom plate 6 are fixedly connected with abutting blocks 13, a long groove 14 is opened on the adjacent side of the two abutting blocks 13, four connecting rods 15 are fixedly connected to the adjacent side of the two abutting blocks 13, the bottom plate 6 supports and fixes the connecting rods 15 by being fixed to the two abutting blocks 13, the connecting rods 15 are evenly fixed on the adjacent side of the two telescopic abutting blocks 13, and four processors 16 are slidably connected to the outside of the four connecting rods 15. The processors 16 are equidistantly distributed on the connecting rods 15, and cutting instruments are arranged at the bottom of the processors 16.

[0033] A limiting column 17 is fixedly connected to the middle of the rear end of the processor 16. The limiting column 17 is fixed in the middle of the processor 16 to enable the processor 16 to always slide equidistantly on the connecting rod 15. Motors 18 are fixedly connected to both the left and right sides of the top of the chassis 1, and a fixing component is fixedly connected to the driving end of the motors 18. The motors 18 and the fixing component cooperate to quickly fix the steel pipe parts. The above adds the function of quickly cutting the steel pipe compared with the above-mentioned document, and further improves the processing efficiency.

[0034] Refer to Figure 3 , Figure 4, the limiting component includes a slider 10, a slide plate 11 and four long holes 12. The outside of the slider 10 is slidably connected to the inner wall of the through groove 9. The front end of the slider 10 is fixedly connected to the middle of the rear end of the slide plate 11. The long holes 12 are opened on the left and right sides of the long holes 12. The slider 10 slides on the inner wall of the through groove 9 to drive the slide plate 11 to slide. The middle of the slider 10 is threadedly connected to the outside of the threaded rod 8. The slider 10 is driven to slide on the outside of the threaded rod 8 when the threaded rod 8 rotates.

[0035] The rear side of the slide plate 11 is slidably connected to the front side of the bottom plate 6. The left and right sides of the slide plate 11 are both slidably connected to the inner wall of the long groove 14. In order to ensure the stable sliding of the slide plate 11, the outside of the limiting column 17 is slidably connected to the inner wall of the long hole 12. The rear side of the processor 16 is slidably connected to the front side of the slide plate 11. The limiting column 17 slides on the inner wall of the inclined long hole 12, which can drive the processor 16 to always slide equidistantly on the connecting rod 15.

[0036] Reference Figure 5 , the fixing component includes a connecting column 19, two connecting rods 20, two rotating rods 21, a support plate 22, two sliding grooves 23, two sliding parts 24 and two clamping blocks 25. The bottom end of the connecting column 19 is fixedly connected to the driving end of the motor 18. The outer shell of the motor 18 is fixedly connected to the bottom end of the chassis 1. When the motor 18 starts, it drives the connecting column 19 to rotate. The outside of the connecting column 19 is fixedly connected to the adjacent sides of the two connecting rods 20. The bottom ends of the adjacent sides of the two rotating rods 21 are rotatably connected to the top ends of the opposite sides of the two connecting rods 20.

[0037] The rotation of the connecting column 19 drives the connecting rod 20 to slide on the support plate 22 and pulls the rotating rod 21 to rotate. The sliding grooves 23 are opened in the middle of the left and right sides of the support plate 22. The outside of the sliding part 24 is slidably connected to the inner wall of the sliding groove 23. The top end of the sliding part 24 is fixedly connected to the bottom end of the clamping block 25. The bottom end of the connecting rod 20 is slidably connected to the top end of the support plate 22. The opposite sides of the two rotating rods 21 are rotatably connected to the adjacent sides of the two sliding parts 24. The connecting rod 20 drives the sliding part 24 through the rotating rod 21 to drive the clamping block 25 to slide relatively to clamp and fix the steel pipe fitting.

[0038] Working principle: When in use, first, according to the required cutting length requirement, rotate the threaded rod 8 at the position of the support block 7 in place. Let the threaded rod 8 rotate to drive the slider 10 limited outside the threaded rod 8 to slide on the outside of the threaded rod 8. Let the slider 10 drive the slide plate 11 to slide on the inner wall of the long groove 14 and the rear side of the bottom plate 6, thereby indirectly driving the limiting column 17 at the rear side of the processor 16 to slide on the inner wall of the inclined long hole 12, so as to realize that the four processors 16 are evenly distributed on the outside of the connecting rod 15 and automatically adjust their distances.

[0039] After the distance between the processors 16 is adjusted, place the steel pipe fitting between the two clamping blocks 25. Control the motor 18 to start and drive the connecting column 19 to drive the connecting rod 20 to rotate, so that the connecting rod 20 drives the sliding member 24 through the rotating rod 21 to drive the clamping blocks 25 to slide relatively to clamp and fix the steel pipe fitting. After fixing, finally start the hydraulic cylinder 3 and the cutting gear at the bottom of the processor 16 to rotate, so that the hydraulic cylinder 3 drives the processor 16 through the connection of the coupling shaft 4 and the connecting plate 5 to perform multi-segment rapid cutting on the fixed steel pipe fitting.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A device for cutting plastic-coated steel pipes to a fixed length, comprising a base frame (1), characterized in that: The rear end of the base frame (1) is fixedly connected to a support plate (2), the middle of the top end of the support plate (2) is fixedly connected to a hydraulic cylinder (3), the driving end of the hydraulic cylinder (3) is fixedly connected to a connecting shaft (4), the bottom end of the connecting shaft (4) is fixedly connected to a connecting plate (5), the front side of the connecting plate (5) is fixedly connected to a bottom plate (6), the top of the middle part of the bottom plate (6) is fixedly connected to a support block (7), the inner wall of the middle part of the support block (7) is threadedly connected to a threaded rod (8), the middle part of the bottom plate (6) is provided with a through groove (9), the inner sliding connection of the through groove (9) is connected to the bottom plate (6), and the bottom plate (6) is provided with a through groove (9). The bottom plate (6) is connected to a limit assembly, the left and right sides of the bottom plate (6) are fixedly connected with a stop block (13), the adjacent sides of the two stop blocks (13) are provided with a long groove (14), the adjacent sides of the two stop blocks (13) are fixedly connected with four connecting rods (15), the outsides of the four connecting rods (15) are slidably connected with four processors (16), the middle part of the rear end of the processor (16) is fixedly connected with a limit column (17), the left and right sides of the top of the bottom frame (1) are fixedly connected with a motor (18), and the driving end of the motor (18) is fixedly connected with a fixed assembly.

2. The device for cutting plastic-coated steel pipes to length according to claim 1, characterized in that: The limiting assembly comprises a slider (10), a slide plate (11) and four long holes (12); the outer portion of the slider (10) is slidably connected to the inner wall of the through groove (9); the front end of the slider (10) is fixedly connected to the middle of the rear end of the slide plate (11); and the long holes (12) are provided on the left and right sides of the long holes (12).

3. The device for cutting to length plastic coated steel pipe according to claim 1, characterized in that: The fixing assembly comprises a connecting column (19), two connecting rods (20), two rotating rods (21), a supporting plate (22), two sliding grooves (23), two slides (24) and two clamping blocks (25). The bottom end of the connecting column (19) is fixedly connected to the driving end of the motor (18), the outside of the connecting column (19) is fixedly connected to the adjacent side of the two connecting rods (20), the bottom ends of the adjacent side of the two rotating rods (21) are rotatably connected to the top ends of the distant side of the two connecting rods (20), the sliding groove (23) is opened in the middle of the left and right sides of the supporting plate (22), the outside of the slide (24) is slidably connected to the inner wall of the sliding groove (23), and the top end of the slide (24) is fixedly connected to the bottom end of the clamping block (25).

4. The device for cutting to length plastic coated steel pipe according to claim 2, characterized in that: The middle part of the sliding block (10) is threadedly connected to the outside of the threaded rod (8), and the rear side of the sliding plate (11) is slidably connected to the front side of the bottom plate (6).

5. The device for cutting plastic-coated steel pipe to length according to claim 2, characterized in that: The outside of the limiting column (17) is slidably connected to the inner wall of the long hole (12), and the left and right sides of the sliding plate (11) are both slidably connected to the inner wall of the long groove (14).

6. The device for cutting to length plastic coated steel pipe according to claim 2, characterized in that: The rear side of the processor (16) is slidably connected to the front side of the slide plate (11).

7. The device for cutting to length plastic coated steel pipe according to claim 3, characterized in that: The bottom end of the connecting rod (20) is slidably connected to the top end of the supporting plate (22), and the far sides of the two rotating rods (21) are rotatably connected to the near sides of the two sliding members (24).

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