Steel pipe end face cutting machine
By combining an internal support structure and a roller device, the stability and precision issues of the steel pipe end face cutting machine in a confined space are solved, achieving efficient and convenient steel pipe end face cutting and avoiding damage to the steel pipe surface.
Patent Information
- Application Number
- CN202422508039.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-10-17
AI Technical Summary
Existing steel pipe end face cutting machines are difficult to set up in limited spaces, and the internal support machine structure is complex and bulky, with unstable clamping, resulting in poor cutting accuracy and stability.
The steel pipe end face cutting machine with an internal support structure uses three sets of internal support devices to simultaneously support the inner wall of the steel pipe. Combined with the roller device, it achieves automatic centering and rapid movement, and uses metal cutting tools for cutting, avoiding the restriction of external space and clamping damage to the steel pipe.
It achieves high-precision cutting in confined spaces, avoids damage to the steel pipe surface, improves cutting stability and ease of operation, and has a compact and portable structure.
Smart Images
Figure CN223603449U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mechanical cutting technical field, concretely is a kind of steel pipe end face cutting machine. BACKGROUND
[0002] In industrial production, the mechanical cutting structure form of steel pipe end face, mainly has two ways of outer clamping type and inner supporting type, and the outer clamping type is the form of cutting by clamping in the outer wall of steel pipe, and the inner supporting type is the form of cutting by supporting in the inner wall of steel pipe. Among them, the outer clamping type steel pipe cutting machine is usually simple and light in structure, and is more widely applied.
[0003] However, in some cases, due to the limitation of site conditions, the space outside the steel pipe is limited, and the outer clamping type machine cannot be erected, so the inner supporting type machine is more ideal. But because it is mechanical cutting, the resistance and vibration of the machine running are large, and whether it is outer clamping type or inner supporting type, the machine needs to be clamped firmly with the steel pipe, so that some damage will be caused to the surface of the steel pipe. In some occasions, users have requirements on the quality of the outer wall of the steel pipe but not on the inner wall, and the inner supporting type has certain advantages over the outer clamping type. However, the inner supporting type steel pipe cutting machine is usually complex and heavy in structure, and weighs several tons, which seriously restricts the production and application.
[0004] Based on the above reasons, the utility model designs a kind of steel pipe end face cutting machine, adopts inner supporting type structure, can be quickly automatically centered and tightly supported on the inner wall of steel pipe and work, uses metal cutter to cut, can complete the end face finishing of steel pipe, including bevel processing, cutting quality is high, and structure is small and portable, and it is easy to operate the stability and precision. SUMMARY
[0005] The utility model aims at overcoming the insufficient of prior art, provides a kind of steel pipe end face cutting machine, adopts inner supporting type structure, can be quickly automatically centered and tightly supported on the inner wall of steel pipe and work, uses metal cutter to cut, can complete the end face finishing of steel pipe, including bevel processing, cutting quality is high, and structure is small and portable, and it is easy to operate the stability and precision.
[0006] In order to achieve the above object, the utility model provides a kind of steel pipe end face cutting machine, the outer side of pedestal is equipped with rotating arm, the center of pedestal is equipped with inner support drive device by end cover and screw, retractable moving sleeve is provided in pedestal, guiding key for making it linear guide is provided on moving sleeve, three groups of inner support devices are connected between pedestal and moving sleeve by connecting rod one and connecting rod two, tool holder rotating drive device is provided on pedestal, servo motor, speed reducer and eccentric disc on tool holder rotating drive device are installed on pedestal by screw, rotating table bearing on tool holder rotating drive device is installed on pedestal by screw, large gear is provided on rotating table bearing, cylinder and rotating arm are provided on large gear, a pair of tool holder devices are symmetrically installed on rotating arm, three sets of symmetrical distribution of roller device B are provided on pedestal, three sets of symmetrical distribution of roller device A are provided on the bearing of one side of moving sleeve.
[0007] Inner support device is contacted with steel pipe by expansion tile, expansion tile is provided on the outer side of expansion tile seat, one end of connecting rod one is connected on expansion tile seat by pin shaft, one end of connecting rod two is connected on expansion tile seat by pin two, connecting rod one and connecting rod two are connected by pin one, gasket is provided on the periphery of pin one, split pin is provided on pin one.
[0008] Expansion tile is polyurethane expansion tile.
[0009] Feeding block is provided on pedestal, feeding block is triangular block matched with ratchet wheel on tool holder device.
[0010] Roller device A is long roller, and roller device B is short roller.
[0011] A pair of long roller seats on roller device A are provided with roller shaft, and rollers are provided between long roller seats, and the side edge of one side of long roller seat is provided with cover through screw A, the periphery of roller shaft is provided with shaft sleeve, one side of shaft sleeve is provided with bearing, and hole stop ring is provided between bearing and shaft sleeve.
[0012] A pair of short roller seats on roller device B are provided with roller shaft, and rollers are provided between long roller seats, and the side edge of one side of long roller seat is provided with cover through screw A, the periphery of roller shaft is provided with shaft sleeve, one side of shaft sleeve is provided with bearing, and hole stop ring is provided between bearing and shaft sleeve.
[0013] Roller device A and roller device B are circumferential rhombus division.
[0014] Compared with prior art, the utility model has the following beneficial effects:
[0015] The present application has simple structure, light weight, low cost, and is convenient for transportation, carrying and installation. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is a perspective view of the present application Figure 1 .
[0017] Figure 2 is a perspective view of the present application Figure 2 .
[0018] Figure 3 is a front view of the present application marking A-A section, B-B section and C-C section position.
[0019] Figure 4 is a B-B section view of the present application
[0020] Figure 5 is a C-C section view of the present application Figure 1 .
[0021] Figure 6 is a C-C section view of the present application Figure 2 .
[0022] BRIEF DESCRIPTION OF DRAWINGS
[0023] 1 is a steel pipe, 2 is an inner support device, 3 is a cutter holder rotating driving device, 4 is an inner support driving device, 5 is a roller device A, 6 is a roller device B, 7 is a cutter device, 8 is an expansion tile seat, 9 is an expansion tile, 10 is a connecting rod one, 11 is an open pin, 12 is a pin one, 13 is a gasket, 14 is a connecting rod two, 15 is a pin two, 16 is a feed block, 17 is a sliding block, 18 is a long roller seat, 19 is a roller shaft, 20 is a shaft sleeve, 21 is a bearing, 22 is a hole stop ring, 23 is a roller, 24 is a cover, 25 is a screw A, 26 is a short roller seat, 27 is a base, 28 is a rotating arm, 29 is a moving sleeve, 30 is a guide key. DETAILED DESCRIPTION
[0024] The present application will be further described in combination with the drawings.
[0025] Referring to Figures 1-5The utility model provides a kind of steel pipe end face cutting machine, the outer side of pedestal 27 is equipped with rotating arm 28, the center of pedestal 27 is equipped with inner support driving device 4 by end cover and screw, retractable moving sleeve pipe 29 is provided in pedestal 27, guiding flat key 30 for making its linear guidance is provided on moving sleeve pipe 29, three groups of inner support device 2 are connected between pedestal 27 and moving sleeve pipe 29 by connecting rod one 10 and connecting rod two 14, tool rest rotating driving device 3 is provided on pedestal 27, servo motor, speed reducer and eccentric disc on tool rest rotating driving device 3 are installed on pedestal 27 by screw, rotating table bearing on tool rest rotating driving device 3 is installed on pedestal 27 by screw, large gear is provided on rotating table bearing, cylinder and rotating arm 28 are provided on large gear, a pair of tool rest device 7 is symmetrically installed on rotating arm 28, three sets of roller device B6 that are symmetrically distributed are provided on pedestal 27, three sets of roller device A5 that are symmetrically distributed are provided on the bearing of moving sleeve pipe 29 side.
[0026] Inner support device 2 is contacted with steel pipe 1 by expansion tile 9, expansion tile 9 is arranged at the outer side of expansion tile seat 8, one end of connecting rod one 10 is connected with expansion tile seat 8 by pin shaft, one end of connecting rod two 14 is connected with expansion tile seat 8 by pin two 15, connecting rod one 10 and connecting rod two 14 are connected by pin one 12, gasket 13 is arranged on the periphery of pin one 12, split pin 11 is arranged on pin one 12.
[0027] Expansion tile 9 is polyurethane expansion tile.
[0028] Tool feed bump block 16 is provided on pedestal 27, tool feed bump block 16 is triangular bump block matched with ratchet wheel on tool rest device 7.
[0029] Roller device A5 is long roller, and roller device B6 is short roller.
[0030] A pair of long roller seats 18 on roller device A5 are provided with roller shaft 19, roller 23 is arranged between long roller seat 18, and the side edge of one side of long roller seat 18 is provided with cover 24 by screw A25, the periphery of roller shaft 19 is provided with shaft sleeve 20, one side of shaft sleeve 20 is provided with bearing 21, and hole stop ring 22 is arranged between bearing 21 and shaft sleeve 20.
[0031] A pair of short roller seats 26 on roller device B6 are provided with roller shaft 19, roller 23 is arranged between long roller seat 18, and the side edge of one side of long roller seat 18 is provided with cover 24 by screw A25, the periphery of roller shaft 19 is provided with shaft sleeve 20, one side of shaft sleeve 20 is provided with bearing 21, and hole stop ring 22 is arranged between bearing 21 and shaft sleeve 20.
[0032] Roller device A5 and roller device B6 are circumferential rhombus division.
[0033] Working principle:
[0034] First, the steel pipe 1 is placed above the ground. The application is inserted from the end face side of the steel pipe 1 to be machined and adjusted left and right position. Start the servo motor of the inner support driving device 4, so that the three sets of inner support device 2 of the expansion tile 9 can be reliably supported in the inner wall of the steel pipe 1. Adjust the position of the tool holder device 7. Start the servo motor of the tool holder rotating driving device 3, the rotating arm 28 with the tool holder device 7 automatically rotates around the steel pipe 1, and the cutting process is carried out. The rotating arm 28 rotates one circle, the tool holder device 7 and the feed block 16 collide once to realize the feed, and the machining is completed after the steel pipe end face is cut completely.
[0035] The above is only the preferred embodiment of the present application, which is only used to help understand the method and its core idea, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution belonging to the idea of the present application is within the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application can also be considered as the protection scope of the present application.
[0036] The present application solves the problems of high installation difficulty, complex structure, unstable clamping, poor cutting precision and stability of the existing technology of external clamping and inner support type steel pipe cutting machine, and improves the stability and precision of cutting by using three sets of inner support device for synchronous inner support and automatic centering, avoiding eccentric clamping. The use of roller device can quickly move in the steel pipe, further improve the convenience of operation, and provide great help for steel pipe cutting operation.
Claims
1. A steel pipe end face cutting machine characterized by comprising: The outer side of the base (27) is provided with a rotating arm (28), the center of the base (27) is provided with an inner support driving device (4) through an end cover and a screw, the base (27) is provided with a telescopic moving sleeve (29), the moving sleeve (29) is provided with a guide key (30) for linear guiding, the base (27) and the moving sleeve (29) are connected through a connecting rod one (10) and a connecting rod two (14) with three sets of inner support devices (2), the base (27) is provided with a tool holder rotating driving device (3), the servo motor, the speed reducer and the eccentric disc of the tool holder rotating driving device (3) are installed on the base (27) through screws, the rotating table bearing of the tool holder rotating driving device (3) is installed on the base (27) through screws, the rotating table bearing is provided with a large gear, the large gear is provided with a cylinder and a rotating arm (28), the rotating arm (28) is symmetrically provided with a pair of tool holder devices (7), the base (27) is provided with three sets of symmetrically distributed roller devices B (6), the bearing on one side of the moving sleeve (29) is provided with three sets of symmetrically distributed roller devices A (5).
2. The steel pipe end face cutting machine according to claim 1, characterized by The inner support device (2) contacts the steel pipe (1) through an expansion tile (9), the expansion tile (9) is arranged on the outer side of an expansion tile seat (8), one end of the connecting rod one (10) is connected to the expansion tile seat (8) through a pin shaft, one end of the connecting rod two (14) is connected to the expansion tile seat (8) through a pin two (15), the connecting rod one (10) and the connecting rod two (14) are connected through a pin one (12), the periphery of the pin one (12) is provided with a gasket (13), the pin one (12) is provided with a split pin (11).
3. The steel pipe end face cutting machine according to claim 2, characterized by The expansion tile (9) is a polyurethane expansion tile.
4. The steel pipe end face cutting machine according to claim 1, characterized by The base (27) is provided with an advancing tool bump block (16), the advancing tool bump block (16) is a triangular bump block matched with the ratchet wheel on the tool holder device (7).
5. The steel pipe end face cutting machine according to claim 1, characterized by The roller device A (5) is a long roller, and the roller device B (6) is a short roller.
6. The steel pipe end face cutting machine according to claim 5, characterized by A pair of long roller seats (18) on the roller device A (5) are provided with roller shafts (19), rollers (23) are arranged between the long roller seats (18), and the side edge of the long roller seat (18) on one side is provided with a cover (24) through a screw A (25). The periphery of the roller shaft (19) is provided with a shaft sleeve (20), one side of the shaft sleeve (20) is provided with a bearing (21), and the bearing (21) and the shaft sleeve (20) are provided with a hole stop ring (22).
7. The steel pipe end face cutting machine according to claim 6, characterized by A pair of short roller seats (26) on the roller device B (6) are provided with roller shafts (19), rollers (23) are arranged between the long roller seats (18), and the side edge of the long roller seat (18) on one side is provided with a cover (24) through a screw A (25). The periphery of the roller shaft (19) is provided with a shaft sleeve (20), one side of the shaft sleeve (20) is provided with a bearing (21), and the bearing (21) and the shaft sleeve (20) are provided with a hole stop ring (22).
8. The steel pipe end face cutting machine according to claim 5, characterized by The roller device A (5) and the roller device B (6) are circumferentially rhombically divided.