Straightening machine for steel pipe machining

Abstract

The invention discloses a straightening machine for steel pipe machining. The straightening machine comprises a base. The lifting table is arranged on the base, and a positioning tooth groove is formed in the lifting table; the centering keeping mechanism is mounted on the lifting table; the limiting piece is mounted on the lifting table through the centering keeping mechanism; the locking piece comprises a locking column installed on the lifting table, a locking head installed on the locking column and a connecting shaft arranged on the locking column; the unlocking piece is used for unlocking the locking piece, the unlocking piece comprises a rotating ring installed on the locking piece, a pressed arm installed on the rotating ring and a lifting body installed on the rotating ring, adjustment and locking can be carried out through a limiting gap between the two limiting pieces, and when pipe fittings with different pipe diameters are machined, the pressing arm and the lifting body can be adjusted and locked through the limiting gap between the two limiting pieces. The product can adapt to the pipe diameter of the pipe fitting and does not need to be replaced.

Description

Technical Field

[0001] The invention relates to the field of fire safety, in particular to a straightening machine for processing steel pipes. Background Art

[0002] A steel pipe straightening machine is a mechanical device used to correct the deformation of steel pipes or other metal pipes. It is usually used in the manufacturing industry and metal processing field. In the prior art, a more common straightening machine is one with a detection function, which supports the steel pipe through the driving rollers at both ends and drives the steel pipe to rotate, detects the rotating steel pipe, and straightens the bent part of the steel pipe according to the detection results.

[0003] During straightening, the position of the steel pipe remains unchanged. By raising the height of the hydraulic auxiliary support structure, the auxiliary support structure can support the steel pipe from below. Generally, there are two auxiliary support structures, and the support positions are located on both sides of the part that needs straightening. In the prior art, the auxiliary support structure is mainly used to support and limit the steel pipe when the steel pipe is pressed to be straightened, so as to avoid the problem of left and right deviation of the steel pipe. In this way, different auxiliary support structures are required for steel pipes of different diameters. Summary of the invention

[0004] Therefore, the technical problem to be solved by the present invention is that the auxiliary support structure cannot be applied to steel pipes of various diameters.

[0005] The above technical problem is solved by the following technical solution: The present invention provides a straightening machine for steel pipe processing, which includes a base; A lifting platform, which is arranged on the base, and the lifting platform is provided with positioning teeth and grooves; A centering holding mechanism, mounted on the lifting platform; A limiting member, which is mounted on the lifting platform through the centering holding mechanism; A locking member, the locking member comprising a locking column mounted on the lifting platform, a locking head mounted on the locking column, and a connecting shaft provided on the locking column; An unlocking member, which is used to release the locking member, the unlocking member comprises a swivel mounted on the locking member, a pressure arm mounted on the swivel, and a lifting body mounted on the swivel; When the locking head is engaged with the positioning tooth groove, the limiting member and the lifting platform can be locked. The locking member is connected to the unlocking member through the connecting shaft and the lifting body. When the rotating ring rotates clockwise or counterclockwise, the locking column can be pulled to move and drive the locking head to disengage from the positioning tooth groove; There are two limiting members installed on the lifting platform, the two limiting members are symmetrically arranged, and there is a limiting gap between the two limiting members.

[0006] In a preferred embodiment of the straightening machine for steel pipe processing of the present invention: the centering holding mechanism includes a limit column installed on the lifting platform, a first elastic body sleeved on the limit column, and a sliding member slidably installed on the limit column; The sliding member is connected to the limiting member, the number of first elastic bodies sleeved on the limiting column is two, and the sliding member is installed between the two first elastic bodies.

[0007] In a preferred embodiment of the straightening machine for steel pipe processing of the present invention: the sliding member includes a sleeve body sleeved on the limiting column, and a synchronous arm connected to the limiting member.

[0008] In a preferred embodiment of the straightening machine for steel pipe processing of the present invention: a combined groove is provided on the pulling body, the combined groove includes a first through groove and a second through groove, and the first through groove and the second through groove are connected via a connecting end; The connecting shaft extends to the inner side of the combined groove, and when the locking head extends to the inside of the positioning tooth groove, the connecting shaft is at the communication end.

[0009] In a preferred embodiment of the straightening machine for steel pipe processing of the present invention: an angle α is formed between the first through groove and the second through groove, and the angle α is at least greater than 10° and less than 170°.

[0010] In a preferred embodiment of the straightening machine for steel pipe processing of the present invention: a pressure inclined surface is arranged on the top of one side of the limiting member adjacent to the limiting gap.

[0011] In a preferred embodiment of the steel pipe straightening machine of the present invention: the unlocking member further comprises a horizontal column fixed on the lifting platform, and a fixed ring fixed on the horizontal column, and the rotating ring is rotatably mounted on the horizontal column; The fixed ring is provided with an inner groove, an arc column is installed inside the inner groove, and a second elastic body is sleeved outside the arc column; A pressure-applying body is installed on the rotating ring, the arc column passes through the pressure-applying body, and the pressure-applying body is against the second elastic body.

[0012] In a preferred embodiment of the straightening machine for steel pipe processing of the present invention: the number of the second elastic bodies sleeved on the arc column is two, and the pressure-applying body is located between the two second elastic bodies.

[0013] In a preferred embodiment of the straightening machine for steel pipe processing of the present invention: the lifting platform includes a moving platform installed on a base, and a hydraulic platform installed on the moving platform; The hydraulic platform is provided with a track groove, and the position-limiting member is installed on the hydraulic platform through the track groove.

[0014] In a preferred embodiment of the straightening machine for steel pipe processing of the present invention: it also includes a gantry and a pressing mechanism, the gantry is movably installed on the base, and the pressing mechanism includes a power body installed on the gantry, and a contact body installed on the power body.

[0015] The beneficial effect of the present invention is that the limiting gap between the two limiting members can be adjusted and locked, and when processing pipe fittings with different diameters, the product can adapt to the diameter of the pipe fittings without the need for replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings of the embodiments of the present invention. Obviously, the drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention. Among them: Figure 1 The overall structural diagram of the present invention is shown; Figure 2 The front view of the overall structure of the present invention is shown; Figure 3 The present invention is shown Figure 2 Enlarged view of point A in the middle; Figure 4 The schematic diagram of the structure of the lifting platform and the limiting member in the present invention is shown; Figure 5 A schematic diagram of the structure of the position limiting member in the present invention is shown; Figure 6 A schematic diagram of the structure of the locking member and the unlocking member in the present invention is shown; Figure 7 A front view of the unlocking member of the present invention is shown; Figure 8 A schematic diagram of the structure of the unlocking member in the present invention is shown; Fig. 9 It shows a state diagram of the pipe fitting not contacting the unlocking piece in the present invention; Fig.10 It shows the state diagram of the pipe fitting pressing unlocking piece in the present invention; Fig.11 A state diagram of a pipe passing through an unlocking member in the present invention is shown; Fig.12 A schematic diagram of the positions of the gantry and two lifting platforms in the present invention is shown.

[0017] 100, base; 200, lifting platform; 201, positioning tooth groove; 202, hydraulic platform; 2021, track groove; 203, moving platform; 300, centering holding mechanism; 301, limiting column; 302, first elastic body; 303, sliding member; 3031, sleeve body; 3032, synchronous arm; 400, limiting member; 401, pressure inclined surface; 500, locking member; 501, locking column; 502, locking head; 503, connecting shaft; 600 , unlocking piece; 601, swivel; 6011, pressure-applying body; 602, pressure-bearing arm; 603, lifting body; 604, combined groove; 6041, first through groove; 6042, second through groove; 6043, connecting end; 605, horizontal column; 606, fixed ring; 6061, inner groove; 6062, arc column; 6063, second elastic body; 700, gantry; 800, pressing mechanism; 801, power body; 802, contact body; 900, pipe fitting. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with specific implementation methods and drawings.

[0019] The terms used in the present invention are those general terms currently widely used in the art in consideration of the functions of the present invention, but these terms may vary according to the intention of a person of ordinary skill in the art, precedents, or new technologies in the art. In addition, specific terms may be selected by the applicant, and in this case, their detailed meanings will be described in the detailed description of the present invention. Therefore, the terms used in the specification should not be understood as simple names, but rather as a general description based on the meaning of the terms and the present invention.

[0020] Reference Figure 1 This embodiment provides a straightening machine for steel pipe processing, including a base 100; the base 100 is the base of the entire device.

[0021] Please refer to Figures 2 to 4 , a lifting platform 200 is arranged on a base 100, and the lifting platform 200 is provided with a positioning tooth groove 201; the lifting platform 200 includes a moving platform 203 installed on the base 100, and a hydraulic platform 202 installed on the moving platform 203; a track groove 2021 is installed on the hydraulic platform 202, and the limiting member 400 is installed on the hydraulic platform 202 through the track groove 2021.

[0022] The movable platform 203 can move on the base 100 to support different positions of the pipe fitting 900. A track structure is arranged on the base 100. The movable platform 203 is installed on the base 100 through the track mechanism. The movement of the movable platform 203 can be driven by electricity. The hydraulic platform 202 is installed on the movable platform 203, and is lifted and lowered by a hydraulic structure. When moving, the hydraulic platform 202 is in a lower position, and the limit member 400 does not contact the pipe fitting 900. When reaching the position where straightening is required, the hydraulic platform 202 is driven by the hydraulic structure to move upward relative to the movable platform 203, thereby contacting the pipe fitting 900 above.

[0023] In this embodiment, both ends of the pipe fitting 900 can be supported by an external supporting structure. Of course, when used in some equipment that can detect the pipe fitting 900, the two ends of the pipe fitting 900 can also be supported by rollers that drive the pipe fitting 900 to rotate, which will not be repeated here.

[0024] Please refer to Figure 4 The steel pipe straightening machine further comprises a centering holding mechanism 300 mounted on the lifting platform 200; a stopper 400 mounted on the lifting platform 200 through the centering holding mechanism 300; The centering holding mechanism 300 is used to hold the position of the limiting member 400 so that when the hydraulic platform 202 moves upward, the limiting member 400 can contact the pipe 900 .

[0025] Please refer to Figure 5 and Figure 6 The steel pipe straightening machine also includes a locking member 500, which includes a locking column 501 installed on the lifting platform 200, a locking head 502 installed on the locking column 501, and a connecting shaft 503 provided on the locking column 501; an unlocking member 600, which is used to release the locking member 500, and the unlocking member 600 includes a swivel 601 installed on the locking member 500, a pressure arm 602 installed on the swivel 601, and a lifting body 603 installed on the swivel 601; the locking head 50 When the locking member 500 is engaged with the positioning tooth groove 201, the limiting member 400 and the lifting platform 200 can be locked. The locking member 500 is connected to the unlocking member 600 through the connecting shaft 503 and the lifting body 603. When the rotating ring 601 rotates clockwise or counterclockwise, it can pull the locking column 501 to move, thereby driving the locking head 502 to disengage from the positioning tooth groove 201. There are two limiting members 400 installed on the lifting platform 200. The two limiting members 400 are symmetrically arranged, and there is a limiting gap L between the two limiting members 400.

[0026] When it is necessary to support the pipe 900, the hydraulic platform 202 moves upward and approaches the pipe 900. The pipe 900 will first contact the unlocking member 600, push the pressure arm 602 on the unlocking member 600, so that the swivel 601 rotates, drives the lifting body 603 to rotate, drives the locking member 500 to disengage from the positioning tooth groove 201, thereby unlocking the two limit members 400. Then, as the hydraulic platform 202 continues to rise, the pipe 900 contacts the two limit members 400, pushes the two limit members 400 away from each other, thereby increasing the limit gap L. When the maximum cross-section of the pipe 900 is After the width passes through the pressure arm 602, the pressure on the pressure arm 602 gradually disappears, and at the same time, the thrust of the limit piece 400 moving away from each other also disappears, and the locking column 501 in the locking piece 500 is reset. At this time, the locking head 502 re-enters the interior of the positioning tooth groove 201, thereby positioning the two limit pieces 400. The limiting gap L between the two limit pieces 400 is determined and adapted to the diameter of the pipe fitting 900. Through this solution, when processing pipe fittings 900 with different diameters, the limiting gap L between the two limiting bodies can adapt to the diameter of the pipe fitting 900 without the need for adjustment.

[0027] As an alternative embodiment, please refer to Figure 3 The centering holding mechanism 300 includes a limiting column 301 installed on the lifting platform 200, a first elastic body 302 sleeved on the limiting column 301, and a sliding member 303 slidably installed on the limiting column 301; the sliding member 303 is connected to the limiting member 400, the number of the first elastic bodies 302 sleeved on the limiting column 301 is two, and the sliding member 303 is installed between the two first elastic bodies 302; the sliding member 303 includes a sleeve body 3031 sleeved on the limiting column 301, and a synchronous arm 3032 connected to the limiting member 400.

[0028] In this embodiment, the number of the limit columns 301 is preferably more than four, and they are installed in groups of two on both sides of the hydraulic platform 202. The sleeve body 3031 is simultaneously sleeved on the outside of all the limit columns 301 on the same side of the hydraulic platform 202. At the same time, each limit member 400 is optimally connected to two sliding members 303 for connecting the limit columns 301 on both sides of the hydraulic platform 202. The first elastic body 302 is a spring. Under the push of the first elastic body 302, the two sliding members 303 connecting different limit members 400 are in a conflicting state. At this time, there is still a limiting gap L between the two limit members 400. When the pipe fitting 900 conflicts with the two limit members 400 and pushes the two limit members 400 away from each other, the conflicting sleeve bodies 3031 also move away from each other and press the first elastic body 302.

[0029] As an alternative embodiment, please refer to Figure 7A combination groove 604 is provided on the lifting body 603, and the combination groove 604 includes a first through groove 6041 and a second through groove 6042. The first through groove 6041 and the second through groove 6042 are connected through a connecting end 6043; the connecting shaft 503 extends to the inner side of the combination groove 604, and when the locking head 502 extends to the inside of the positioning tooth groove 201, the connecting shaft 503 is at the connecting end 6043, and there is an angle α between the first through groove 6041 and the second through groove 6042, and the angle α is at least greater than 10° and less than 170°.

[0030] In this embodiment, please refer to Figure 6 ,as well as Figures 9 to 11 , the lock column 501 is slidably installed on the hydraulic platform 202, and the lock column 501 passes through the hydraulic platform 202. The best choice is that the first through groove 6041 and the second through groove 6042 both pass through the lifting body 603. The first through groove 6041 and the second through groove 6042 are far away from the ends of the connection end, and both extend in the direction away from the positioning tooth groove 201. When the hydraulic platform 202 rises, the pressure arm 602 will first contact the pipe fitting 900, and the pressure arm 602 will rotate in the X direction under the force, driving the swivel 601 to rotate in the X direction. At this time, because the position of the lifting body 603 changes, the connecting shaft 503 enters the interior of the first through groove 6041, and because the position of the lifting body 603 changes, the lock column 501 can be pulled upward, so that the lock column 501 drives the locking head 502 to disengage from the positioning tooth groove 201, and the limit member 400 can be unlocked.

[0031] As the hydraulic platform 202 continues to rise, the pipe fitting 900 pushes the limit members 400 away from each other, so that the limit gap L between the two limit members 400 continues to increase. When the limit gap L is adapted to the pipe diameter of the pipe fitting 900, the pipe fitting 900 enters between the limit gap L and no longer pushes the limit member 400 to increase the limit gap L. At the same time, the pipe fitting 900 can no longer press the pressure arm 602. At this time, the locking column 501 moves downward and resets, driving the locking head 502 to enter the positioning tooth groove 201 again for clamping, and repositioning the limit member 400, so that the limit gap L between the two limit members 400 is adapted to the pipe diameter of the pipe fitting 900.

[0032] After the straightening is completed, the hydraulic platform 202 moves downward. At this time, the pipe fitting 900 can push the pressure arm 602 from bottom to top. At this time, the pressure arm 602 rotates in the Y direction, driving the swivel 601 to rotate in the Y direction. Because the position of the lifting body 603 changes, the connecting shaft 503 enters the interior of the second through groove 6042, and because the position of the lifting body 603 changes, the locking column 501 can be pulled upward, so that the locking column 501 drives the locking head 502 to disengage from the positioning tooth groove 201, and the limit member 400 can be unlocked. As the pipe fitting 900 disengages, under the push of the first elastic body 302, the two limit members 400 can be pushed close to each other and reset, and it can be ensured that when the pipe fitting 900 disengages, the unlocking members 600 on the two limit members 400 can continue to maintain contact with the pipe fitting 900, avoiding the locking column 501 from descending and locking the limit member 400 during this process.

[0033] Until the pipe 900 is completely disengaged, at this time, because the unlocking member 600 is no longer limited, the locking column 501 falls again, and the locking head 502 enters the interior of the positioning tooth groove 201 to reposition the limiting member 400.

[0034] As an alternative embodiment, please refer to Figure 6 A pressure inclined surface 401 is provided at the top of one side of the limiting member 400 adjacent to the limiting gap L. When the pipe 900 contacts the limiting member 400, the pressure inclined surface 401 can better apply a thrust to move the two limiting members 400 away from each other.

[0035] As an alternative embodiment, please refer to Figure 7 and Figure 8 The unlocking member 600 also includes a horizontal column 605 fixed on the lifting platform 200, and a fixed ring 606 fixed on the horizontal column 605, and the rotating ring 601 is rotatably installed on the horizontal column 605; an inner groove 6061 is opened on the fixed ring 606, and an arc column 6062 is installed inside the inner groove 6061, and a second elastic body 6063 is sleeved on the outside of the arc column 6062; a pressure body 6011 is installed on the rotating ring 601, and the arc column 6062 penetrates the pressure body 6011, and the pressure body 6011 and the second elastic body 6063 are against each other.

[0036] There are two second elastic bodies 6063 sleeved on the arc column 6062 , and the pressure-applying body 6011 is located between the two second elastic bodies 6063 .

[0037] The fixed ring 606 cannot rotate on the horizontal column 605, and the rotating ring 601 is sleeved on the outside of the horizontal column 605 and can rotate. The second elastic body 6063 is a spring, and the rotating ring 601 and the fixed ring 606 are in a concentric circle relationship. No matter whether the rotating ring 601 rotates in the X direction or the Y direction, the pressure-applying body 6011 fixed on the rotating ring 601 will press the second elastic body 6063. When the pressure on the pressure arm 602 disappears, the second elastic body 6063 can push the pressure-applying body 6011. Thereby, the swivel 601 is pushed to reset, wherein the second elastic body 6063 is a spring. More preferably, a spring structure is also arranged between the lock column 501 and the hydraulic platform 202. When the lock column 501 moves upward to drive the locking head 502 to disengage from the positioning tooth groove 201, the spring structure can be pressed. When the tension applied to the lock column 501 disappears, the spring structure can push the lock column 501 to reset quickly, so that the locking head 502 re-enters the interior of the positioning tooth groove 201 and re-locks the position of the limit member 400.

[0038] Please refer to Figure 1 and Figure 2 The steel pipe straightening machine further comprises a gantry 700 and a pressing mechanism 800 . The gantry 700 is movably mounted on the base 100 . The pressing mechanism 800 comprises a power body 801 mounted on the gantry 700 , and a contact body 802 mounted on the power body 801 .

[0039] A track structure is installed on the base 100, and the gantry 700 is installed on the base 100 through the track structure. The movement of the gantry 700 on the track structure can drive the pressing structure to reach the position that needs to be straightened. The power body 801 can drive the contact body 802 to move downward to press the pipe 900 below, wherein the pressing structure can be a hydraulic rod.

[0040] Finally, it should be pointed out that the methods and devices described in detail above are only embodiments, and those skilled in the art can modify these embodiments in different ways without departing from the scope of the present invention.

Claims

1. A straightening machine for steel pipe processing, characterized in that: include, Base(100); A lifting platform (200) disposed on the base (100), the lifting platform (200) being provided with positioning tooth grooves (201); A centering holding mechanism (300) installed on the lifting platform (200); A limiting member (400) which is mounted on the lifting platform (200) via the centering holding mechanism (300); A locking member (500), the locking member (500) comprising a locking column (501) mounted on the lifting platform (200), a locking head (502) mounted on the locking column (501), and a connecting shaft (503) provided on the locking column (501); An unlocking member (600) for releasing the locking member (500), the unlocking member (600) comprising a rotating ring (601) mounted on the locking member (500), a pressure arm (602) mounted on the rotating ring (601), and a lifting body (603) mounted on the rotating ring (601); The locking head (502) can lock the limiting member (400) and the lifting platform (200) when it is engaged with the positioning tooth groove (201); the locking member (500) is connected to the lifting body (603) and the unlocking member (600) via the connecting shaft (503); the rotating ring (601) can pull the locking column (501) to move and drive the locking head (502) to disengage from the positioning tooth groove (201) when it rotates clockwise or counterclockwise; The number of the limiting members (400) installed on the lifting platform (200) is two, the two limiting members (400) are symmetrically arranged, and a limiting gap (L) exists between the two limiting members (400).

2. The straightening machine for steel pipe processing according to claim 1, characterized in that: The centering holding mechanism (300) comprises a limiting column (301) mounted on the lifting platform (200), a first elastic body (302) sleeved on the limiting column (301), and a sliding member (303) slidably mounted on the limiting column (301); The sliding member (303) is connected to the limiting member (400), the number of first elastic bodies (302) sleeved on the limiting column (301) is two, and the sliding member (303) is installed between the two first elastic bodies (302).

3. The straightening machine for steel pipe processing according to claim 2, characterized in that: The sliding member (303) comprises a sleeve body (3031) sleeved on the limiting column (301), and a synchronization arm (3032) connected to the limiting member (400).

4. The steel pipe straightening machine according to claim 1, 2 or 3, characterized in that: The lifting body (603) is provided with a combined groove (604), the combined groove (604) comprising a first through groove (6041) and a second through groove (6042), the first through groove (6041) and the second through groove (6042) being connected via a connecting end (6043); The connecting shaft (503) extends to the inner side of the combined groove (604), and when the locking head (502) extends to the inside of the positioning tooth groove (201), the connecting shaft (503) is located at the connecting end (6043).

5. The straightening machine for steel pipe processing according to claim 4, characterized in that: An included angle α is formed between the first through groove (6041) and the second through groove (6042), and the included angle α is at least greater than 10° and less than 170°.

6. The steel pipe straightening machine according to claim 5, characterized in that: A pressure-bearing inclined surface (401) is provided at the top end of one side of the limiting member (400) adjacent to the limiting gap (L).

7. The steel pipe straightening machine according to claim 5 or 6, characterized in that: The unlocking member (600) further comprises a horizontal column (605) fixed on the lifting platform (200), and a fixed ring (606) fixed on the horizontal column (605), and the rotating ring (601) is rotatably mounted on the horizontal column (605); The fixed ring (606) is provided with an inner groove (6061), an arc column (6062) is installed inside the inner groove (6061), and a second elastic body (6063) is sleeved outside the arc column (6062); A pressure-applying body (6011) is mounted on the rotating ring (601), the arc column (6062) penetrates the pressure-applying body (6011), and the pressure-applying body (6011) abuts against the second elastic body (6063).

8. The steel pipe straightening machine according to claim 7, characterized in that: The number of second elastic bodies (6063) sleeved on the arc column (6062) is two, and the pressure-applying body (6011) is located between the two second elastic bodies (6063).

9. The steel pipe straightening machine according to claim 1, 3 or 8, characterized in that: The lifting platform (200) comprises a moving platform (203) installed on a base (100), and a hydraulic platform (202) installed on the moving platform (203); A track groove (2021) is installed on the hydraulic platform (202), and the limiting member (400) is installed on the hydraulic platform (202) through the track groove (2021).

10. The straightening machine for steel pipe processing according to claim 9, characterized in that: It also includes a gantry (700) and a pressing mechanism (800), wherein the gantry (700) is movably mounted on the base (100), and the pressing mechanism (800) includes a power body (801) mounted on the gantry (700), and a contact body (802) mounted on the power body (801).

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