Bending equipment for stainless steel pipe machining

Abstract

The utility model discloses bending equipment for stainless steel tube processing, which comprises a box body, the upper surface of the box body is provided with a first guide groove and a second guide groove, the upper surface of the box body is respectively provided with a fixing plate, an adjusting plate and an adjusting frame, the upper surface of the fixing plate is provided with a conveying wheel and a second straightening wheel, and the conveying wheel is provided with a first straightening wheel. Auxiliary wheels are installed on the upper surface of the adjusting plate, a bending disc and a bending clamping plate are installed on the upper surface of the adjusting frame, and a telescopic air cylinder is arranged on the rear side of the bending clamping plate. A bending motor, a transmission system, a first adjusting assembly and a second adjusting assembly are arranged in the box body. According to the stainless steel pipe straightening device, a stainless steel pipe is rolled and corrected from four directions through the first straightening wheel and the second straightening wheel, so that the stainless steel pipe is straightened before being bent; and the positions of the bending disc and the bending clamping plate can be adjusted through the second adjusting assembly and the adjusting frame, so that the bending angle of the stainless steel pipe is adjusted, and the stainless steel pipe is conveniently bent to a proper angle.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel pipe processing, in particular to a bending device for stainless steel pipe processing. Background Art

[0002] Stainless steel, also known as acid-resistant stainless steel, is resistant to corrosion by weakly corrosive media such as air, steam, and water, as well as chemically aggressive media such as acids, alkalis, and salts. It is now widely used in our production and daily lives. Stainless steel pipes are shipped from steel mills as single, long tubes, with fittings of varying diameters. Various stainless steel pipe fittings are manufactured by cutting, bending, and welding the pipe. The bending process involves cutting, bending, and even welding stainless steel pipes from standard lengths to create the desired components. This bending process requires the use of bending equipment.

[0003] Shipbuilding often involves numerous stainless steel pipes of varying shapes and sizes as outfitting components, particularly for LNG and chemical tankers. These pipes must be cut and bent according to design drawings, then welded and assembled to form the required outfitting components. However, existing stainless steel pipe bending equipment can cause some pipes to deform and bend due to the stacking and stacking of pipes after production. This can lead to wrinkles and other defects in the bent areas, compromising bending quality, resulting in material waste and poor processing quality. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the utility model provides a bending equipment for stainless steel pipe processing to solve the problem that the bending deformation caused by the existing stacking of stainless steel pipes will cause defects such as wrinkles at the bending part of the stainless steel pipes during bending, thereby affecting the bending quality.

[0005] In order to achieve the above invention objectives, the present invention is implemented through the following technical solutions:

[0006] A stainless steel pipe bending device comprises a rectangular box body, the upper surface of the box body is provided with two first guide grooves and a second guide groove, the first guide groove and the second guide groove extend horizontally from front to rear, the upper surface of the box body is respectively provided with a fixed plate, an adjustment plate and an adjustment frame, the fixed plate is located directly in front of the adjustment plate, the adjustment frame is located on the right side of the fixed plate and the adjustment plate, a conveying wheel and a second straightening wheel are movably mounted on the upper surface of the fixed plate from left to right, an auxiliary wheel is movably mounted on the upper surface of the adjustment plate, a bending disk and a bending splint are movably mounted on the upper surface of the adjustment frame from front to rear, and a telescopic cylinder fixedly connected to the bending splint is provided on the rear side of the bending splint;

[0007] The interior of the box is provided with a bending motor, a transmission system, a first adjustment component and a second adjustment component. The output end of the bending motor is fixedly connected to the bending disk through a reducer. The transmission system is used to drive the conveying wheel and the second straightening wheel to rotate. The first adjustment component is used to adjust the position of the auxiliary wheel, and the second adjustment component is used to adjust the position of the bending disk and the bending splint.

[0008] Preferably, the first adjustment component includes a first adjustment motor installed on the rear side of the box body, the output end of the first adjustment motor extends into the interior of the box body, and the end is fixedly connected to a first adjustment screw, the outer side of the first adjustment screw is threadedly installed with a first adjustment nut seat, and the bottom of the adjustment plate protrudes downward and passes through the first guide groove and is fixedly connected to the outer side of the first adjustment nut seat.

[0009] Preferably, a horizontal mounting plate is provided inside the box body, the bending motor is movably mounted on the upper surface of the mounting plate, and a third guide groove extending horizontally from front to rear is provided on the mounting plate.

[0010] Preferably, the second adjustment assembly includes a second adjustment screw movably mounted under the mounting plate, one end of the second adjustment screw is mounted to the front side of the inner wall of the box body through a bearing, the other end of the second adjustment screw passes through the rear side of the box body and the end is connected to the second adjustment motor, and the outer side of the second adjustment screw is threadedly mounted with a second adjustment nut seat, and one side of the second adjustment nut seat passes through the third guide groove and is fixedly connected to the bottom of the bending motor.

[0011] Preferably, the transmission system includes a driving motor fixed to the upper surface of the mounting plate, a third transmission gear disc is fixedly mounted on the output end of the driving motor, a transmission rod vertically extending into the interior of the box is provided at the center of the conveying wheel and the second straightening wheel, and a first transmission gear disc and a second transmission gear disc are respectively mounted on the bottom of the conveying wheel and the second straightening wheel through a transmission rod, and the first transmission gear disc, the second transmission gear disc and the third transmission gear disc are connected by a transmission chain.

[0012] Preferably, a downwardly concave groove is provided on the left side of the box body, a vertical straightening plate is fixedly installed in the groove, and two vertically arranged first straightening wheels are installed on the front side of the straightening plate through a movable shaft.

[0013] Preferably, arc grooves are respectively provided on the side surfaces of the first straightening wheel, the conveying wheel, the second straightening wheel, the auxiliary wheel, the bending disk and the bending clamping plate.

[0014] Preferably, a control panel is provided on the front side of the box.

[0015] Preferably, a plurality of universal wheels are installed on the bottom of the box.

[0016] The utility model provides a bending device for stainless steel pipe processing, which has the following beneficial effects:

[0017] 1. The utility model uses the first straightening wheel and the second straightening wheel to roll and correct the stainless steel pipe from four directions, so that the stainless steel pipe is straightened before bending, and the bent stainless steel pipe is straightened to keep the stainless steel pipe in a vertical state, which is convenient for subsequent bending of the stainless steel pipe;

[0018] 2. The utility model can adjust the position of the auxiliary wheel through the adjustment plate through the first adjustment component, so that the auxiliary wheel is close to the conveying wheel and the second straightening wheel. The stainless steel pipe can be conveyed by the close cooperation between the auxiliary wheel and the conveying wheel, and the stainless steel pipe can be straightened by the cooperation between the auxiliary wheel and the second straightening wheel.

[0019] 3. The utility model can adjust the positions of the bending disk and the bending splint through the adjustment frame through the second adjustment component, thereby adjusting the bending angle of the stainless steel pipe, making it convenient to bend the stainless steel pipe to a suitable angle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the utility model from the main view after removing the universal wheel;

[0022] Figure 3 This is a schematic diagram of the installation of the second adjustment component, the bending disk and the bending splint of the present invention;

[0023] Figure 4 This is a schematic diagram of the installation of the first adjustment assembly, the conveying wheel and the auxiliary wheel of the utility model;

[0024] Figure 5 It is a top view of the box body of the present utility model.

[0025] In the picture:

[0026] 1. Box body; 101. First guide groove; 102. Second guide groove; 103. Groove; 2. First adjusting assembly; 201. First adjusting motor; 202. First adjusting nut seat; 203. First adjusting screw; 3. Second adjusting assembly; 301. Second adjusting motor; 302. Second adjusting nut seat; 303. Second adjusting screw; 4. Fixing plate; 5. Adjusting plate; 6. Conveying wheel; 7. Auxiliary wheel; 8. First transmission gear disc; 9. Second transmission gear disc; 10. Third transmission gear disc; 11. Driving motor; 12. Transmission chain; 13. Adjusting frame; 14. Bending disk; 15. Bending splint; 16. Telescopic cylinder; 17. Bending motor; 18. Straightening plate; 19. First straightening wheel; 20. Control panel; 21. Universal wheel; 22. Mounting plate; 2201. Third guide groove; 23. Second straightening wheel. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-5 The utility model provides a bending device for stainless steel pipe processing. The main structure of the device includes a rectangular box body 1. Two first guide grooves 101 and a second guide groove 102 are opened on the upper surface of the box body 1. The first guide groove 101 and the second guide groove 102 extend horizontally from front to back. A fixing plate 4, an adjustment plate 5 and an adjustment frame 13 are respectively provided on the upper surface of the box body 1. As a preferred embodiment, the adjustment frame 13 is a flat L-shaped structure.

[0029] The above-mentioned adjustment frame 13 extends horizontally from front to back, the vertical plate of the adjustment frame 13 is located on the rear side of the box body 1, the fixed plate 4 is located directly in front of the adjustment plate 5, the adjustment frame 13 is located on the right side of the fixed plate 4 and the adjustment plate 5, and the upper surface of the fixed plate 4 is movably installed with a conveying wheel 6 and a second straightening wheel 23 from left to right.

[0030] An auxiliary wheel 7 is movably installed on the upper surface of the adjusting plate 5. As a preferred embodiment, the conveying wheel 6 and the second straightening wheel 23 are installed on the fixed plate 4 through a transmission shaft, and the transmission shaft passes through the upper surface of the fixed plate 4 and the box body 1 in sequence. The auxiliary wheel 7 is installed on the upper surface of the adjusting plate 5 through a movable shaft. The upper surface of the adjusting frame 13 is movably installed with a bending disk 14 and a bending splint 15 from front to back. The bending disk 14 and the bending splint 15 are both installed on the upper surface of the adjusting frame 13 through a movable shaft, and the movable shaft of the bending disk 14 passes through the adjusting frame 13 and the second guide groove 102 in sequence and is fixedly connected to the output end of the bending motor 17. A telescopic cylinder 16 fixedly connected to the bending splint 15 is provided on the rear side of the bending splint 15.

[0031] Furthermore, a bending motor 17, a transmission system, a first adjustment component 2 and a second adjustment component 3 are provided inside the box 1. The output end of the bending motor 17 is fixedly connected to the bending disk 14 through a reducer. The transmission system is used to drive the conveying wheel 6 and the second straightening wheel 23 to rotate. The first adjustment component 2 is used to adjust the position of the auxiliary wheel 7, and the second adjustment component 3 is used to adjust the position of the bending disk 14 and the bending splint 15.

[0032] In this embodiment, the first adjustment assembly 2 includes a first adjustment motor 201 installed on the rear side of the box body 1. The output end of the first adjustment motor 201 extends into the interior of the box body 1, and the end is fixedly connected to a horizontal first adjustment screw 203. The two ends of the first adjustment screw 203 are mounted to the inner wall of the box body 1 through movable bearings. The outer side of the first adjustment screw 203 is threadedly mounted with a first adjustment nut seat 202. The bottom of the adjustment plate 5 protrudes downward and passes through the first guide groove 101 to be fixedly connected to the outer side of the first adjustment nut seat 202. During specific use, the first adjustment motor 201 is started, and the first adjustment motor 201 drives the first adjustment screw 203 to rotate. By utilizing the threaded fit between the first adjustment screw 203 and the first adjustment nut seat 202, the first adjustment nut seat 202 can drive the adjustment plate 5 to move along the first guide groove 101, so that the auxiliary wheel 7 can be in close contact with the conveying wheel 6 and the second straightening wheel 23.

[0033] In this embodiment, a horizontal mounting plate 22 is provided inside the box body 1 , and the bending motor 17 is movably mounted on the upper surface of the mounting plate 22 . A third guide groove 2201 extending horizontally from front to back is defined on the mounting plate 22 .

[0034] In this embodiment, the second adjustment assembly 3 includes a second adjustment screw 303 movably mounted below the mounting plate 22. One end of the second adjustment screw 303 is mounted to the front side of the inner wall of the housing 1 via a bearing. The other end of the second adjustment screw 303 passes through the rear side of the housing 1 and is connected to the second adjustment motor 301. A second adjustment nut seat 302 is threadedly mounted on the outer side of the second adjustment screw 303. One side of the second adjustment nut seat 302 passes through the third guide slot 2201 and is fixedly connected to the bottom of the bending motor 17. In specific use, when the second adjustment motor 301 is started, the second adjustment motor 301 drives the second adjustment screw 303 to rotate. The threaded engagement between the second adjustment screw 303 and the second adjustment nut seat 302 drives the bending motor 17 to move along the third guide slot 2201 via the second adjustment nut seat 302. The bending motor 17 is then driven to move the adjustment frame 13 via the bending motor 17. The adjustment frame 13 further drives the bending disk 14, the bending clamp 15, and the telescopic cylinder 16 to move, thereby facilitating adjustment of the position of the bending disk 14 and controlling the bending angle of the stainless steel pipe.

[0035] In this embodiment, the transmission system includes a drive motor 11 fixed on the upper surface of the mounting plate 22, and a third transmission sprocket 10 is fixedly installed on the output end of the drive motor 11. A transmission rod vertically extending into the interior of the box body 1 is provided at the center of the conveying wheel 6 and the second straightening wheel 23, and a first transmission sprocket 8 and a second transmission sprocket 9 are respectively installed at the bottom of the conveying wheel 6 and the second straightening wheel 23 through the transmission rod. The first transmission sprocket 8, the second transmission sprocket 9 and the third transmission sprocket 10 are connected by a transmission chain 12. As a preferred embodiment, the outer circumference of the first transmission gear disc 8 and the third transmission gear disc 10 is provided with a circle of teeth, and the outer circumference of the second transmission gear disc 9 is provided with two circles of teeth. The two circles of teeth on the second transmission gear correspond to the teeth on the first transmission gear disc 8 and the third transmission gear disc 10 respectively. During specific use, the drive motor 11 is started, and the drive motor 11 drives the third transmission gear disc 10 to rotate. The third transmission gear disc 10 drives the second transmission gear disc 9 to rotate through the transmission chain 12. The second transmission gear disc 9 drives the first transmission gear disc 8 to rotate through the transmission chain 12. The first transmission gear disc 8 and the second transmission gear disc 9 are used to respectively drive the conveying wheel 6 and the second straightening wheel 23 to rotate.

[0036] In this embodiment, a downwardly recessed groove 103 is provided on the left side of the housing 1. A vertical straightening plate 18 is fixedly mounted in the groove 103. Two vertically arranged first straightening wheels 19 are mounted on the front side of the straightening plate 18 via a movable shaft. The two first straightening wheels 19 are used to straighten the stainless steel pipe and correct any bent or deformed stainless steel pipe.

[0037] In this embodiment, arcuate grooves are provided on the sides of the first straightening wheel 19, the conveying wheel 6, the second straightening wheel 23, the auxiliary wheel 7, the bending disc 14, and the bending clamp 15. The arcuate grooves facilitate the limited transmission of the stainless steel pipe and prevent the stainless steel pipe from escaping from the first straightening wheel 19, the conveying wheel 6, the second straightening wheel 23, the auxiliary wheel 7, the bending disc 14, and the bending clamp 15.

[0038] In this embodiment, a control panel 20 is provided on the front side of the box body 1. The control panel 20 mentioned in this specification is a common control technology in the prior art, including a display screen, buttons, and a control circuit board. The control panel 20 can control the opening and closing of the first adjustment motor 201, the second adjustment motor 301, the drive motor 11, the telescopic cylinder 16, and the bending motor 17 respectively. The specific structure and working principle of the control panel 20 are not explained in detail here.

[0039] In this embodiment, a plurality of universal wheels 21 are installed at the bottom of the box body 1. The universal wheels 21 are provided to facilitate the movement of the pushing device.

[0040] The bending equipment of the present invention generally adopts the following operating steps when processing stainless steel pipes:

[0041] First, according to the diameter size and bending angle of the stainless steel pipe, start the first adjusting motor 201 and the second adjusting motor 301. The first adjusting motor 201 drives the first adjusting screw 203 to rotate. By utilizing the threaded fit between the first adjusting screw 203 and the first adjusting nut seat 202, the first adjusting nut seat 202 can drive the adjusting plate 5 to move along the first guide groove 101.

[0042] Then, the distances between the auxiliary wheel 7 and the conveying wheel 6 and the second straightening wheel 23 are adjusted so that the auxiliary wheel 7, the conveying wheel 6 and the second straightening wheel 23 are in close contact with the stainless steel pipe.

[0043] Then, the second adjusting motor 301 is used to drive the second adjusting screw 303 to rotate, and the threaded fit between the second adjusting screw 303 and the second adjusting nut seat 302 is used to drive the bending motor 17 to move along the third guide groove 2201 through the second adjusting nut seat 302, and then the bending motor 17 drives the adjusting frame 13 to move, and further the adjusting frame 13 drives the bending disk 14, the bending splint 15 and the telescopic cylinder 16 to move, thereby adjusting the position of the bending disk 14.

[0044] At the same time, the telescopic cylinder 16 is started, and the telescopic cylinder 16 extends outward, so that the bending splint 15 and the bending disk 14 are close to the stainless steel pipe, so that they can bend the stainless steel pipe, and the end of the stainless steel pipe is inserted to the right between the two first straightening wheels 19 on the left and between the conveying wheel 6 and the auxiliary wheel 7.

[0045] Then, the drive motor 11 is started, and the drive motor 11 drives the third transmission gear disc 10 to rotate. The third transmission gear disc 10 drives the second transmission gear disc 9 to rotate through the transmission chain 12. The second transmission gear disc 9 drives the first transmission gear disc 8 to rotate through the transmission chain 12. The first transmission gear disc 8 and the second transmission gear disc 9 respectively drive the conveying wheel 6 and the second straightening wheel 23 to rotate.

[0046] Finally, the stainless steel tube is transported to the right by the cooperation of the conveying wheel 6 and the auxiliary wheel 7. During this operation, the stainless steel tube is straightened by the cooperation of the second straightening wheel 23 and the auxiliary wheel 7, and the stainless steel tube is bent by the bending disk 14 and the bending splint 15.

[0047] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel pipe bending device, characterized by: The invention comprises a rectangular box body (1), wherein the upper surface of the box body (1) is provided with two first guide grooves (101) and a second guide groove (102), wherein the first guide groove (101) and the second guide groove (102) extend horizontally from front to back, and the upper surface of the box body (1) is provided with a fixed plate (4), an adjustment plate (5) and an adjustment frame (13), wherein the fixed plate (4) is located in front of the adjustment plate (5), and the adjustment frame (13) is located in the middle of the fixed plate (4). The upper surface of the fixed plate (4) and the right side of the adjusting plate (5) are movably mounted with a conveying wheel (6) and a second straightening wheel (23) from left to right, the upper surface of the adjusting plate (5) is movably mounted with an auxiliary wheel (7), the upper surface of the adjusting frame (13) is movably mounted with a bending disk (14) and a bending clamping plate (15) from front to back, and the rear side of the bending clamping plate (15) is provided with a telescopic cylinder (16) fixedly connected to the bending clamping plate (15); The box (1) is provided with a bending motor (17), a transmission system, a first adjustment component (2) and a second adjustment component (3). The output end of the bending motor (17) is fixedly connected to the bending disk (14) via a speed reducer. The transmission system is used to drive the conveying wheel (6) and the second straightening wheel (23) to rotate. The first adjustment component (2) is used to adjust the position of the auxiliary wheel (7). The second adjustment component (3) is used to adjust the position of the bending disk (14) and the bending clamp (15).

2. The stainless steel pipe bending equipment according to claim 1, characterized in that: The first adjustment assembly (2) comprises a first adjustment motor (201) mounted on the rear side of the housing (1); the output end of the first adjustment motor (201) extends into the interior of the housing (1), and the end is fixedly connected to a first adjustment screw (203); the outer side of the first adjustment screw (203) is threadedly mounted with a first adjustment nut seat (202); the bottom of the adjustment plate (5) protrudes downward and passes through the first guide slot (101) to be fixedly connected to the outer side of the first adjustment nut seat (202).

3. The stainless steel pipe bending equipment according to claim 1, characterized in that: A horizontal mounting plate (22) is provided inside the box (1), the bending motor (17) is movably mounted on the upper surface of the mounting plate (22), and a third guide groove (2201) extending horizontally from front to back is provided on the mounting plate (22).

4. The stainless steel pipe bending device according to claim 3, characterized in that: The second adjustment assembly (3) comprises a second adjustment screw (303) movably mounted below the mounting plate (22), one end of the second adjustment screw (303) being mounted to the front side of the inner wall of the box body (1) via a bearing, the other end of the second adjustment screw (303) passing through the rear side of the box body (1) and the end portion being connected to a second adjustment motor (301), a second adjustment nut seat (302) being threadedly mounted on the outer side of the second adjustment screw (303), and one side of the second adjustment nut seat (302) passing through the third guide groove (2201) and being fixedly connected to the bottom of the bending motor (17).

5. The stainless steel pipe bending equipment according to claim 3, characterized in that: The transmission system comprises a driving motor (11) fixed on the upper surface of the mounting plate (22); a third transmission gear disc (10) is fixedly mounted on the output end of the driving motor (11); a transmission rod vertically extending into the interior of the box body (1) is provided at the center of the conveying wheel (6) and the second straightening wheel (23); a first transmission gear disc (8) and a second transmission gear disc (9) are respectively mounted on the bottom of the conveying wheel (6) and the second straightening wheel (23) through the transmission rod; the first transmission gear disc (8), the second transmission gear disc (9) and the third transmission gear disc (10) are connected to each other through a transmission chain (12).

6. The stainless steel pipe bending equipment according to claim 1, characterized in that: A downwardly recessed groove (103) is provided on the left side of the box body (1), a vertical straightening plate (18) is fixedly installed in the groove (103), and two vertically arranged first straightening wheels (19) are installed on the front side of the straightening plate (18) via a movable shaft.

7. The stainless steel pipe bending equipment according to claim 6, characterized in that: Arc grooves are respectively provided on the side surfaces of the first straightening wheel (19), the conveying wheel (6), the second straightening wheel (23), the auxiliary wheel (7), the bending disk (14) and the bending clamping plate (15).

8. The stainless steel pipe bending equipment according to claim 1, characterized in that: A control panel (20) is provided on the front side of the box (1).

9. The stainless steel pipe bending equipment according to claim 1, characterized in that: A plurality of universal wheels (21) are installed at the bottom of the box (1).

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