A stainless steel pipe bending mechanism

Abstract

The utility model relates to the technical field of bending devices, and discloses a stainless steel pipe bending mechanism, including a bottom plate, a mounting plate is arranged on the top of the bottom plate, a fixing assembly is arranged on the front left end of the mounting plate, and a U-shaped frame is arranged on the rear right end of the mounting plate. The stainless steel pipe bending mechanism drives two third rotating shafts and two driving bevel gears to rotate by twisting two hand wheels, and then drives two threaded rods to rotate by two driven bevel gears, and the two threaded rods will drive two positioning blocks to move back to each other during the rotation process, so that the two positioning blocks are respectively moved out from the inside of the two positioning grooves, thereby releasing the position restriction of the connecting block, and then the connecting block can be pulled forward from the inside of the mounting groove to disassemble the bending roller, thereby achieving the purpose of facilitating the disassembly of the bending roller, and then facilitating the inspection and replacement of the bending roller.

Description

Technical Field

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

[0002] Stainless steel pipe fittings are widely used in production and life, and are often used as conveying pipes and parts. In actual applications, stainless steel pipe fittings often need to be bent before use, which requires the use of bending devices. Bending devices have various models and types, which can be used to bend materials such as stainless steel, iron plates and aluminum plates. It has the characteristics of simple operation and low cost, so it can be used in many fields, including decoration, aerospace and communication fields, etc. However, during the use of existing stainless steel pipe bending devices, since the bending rollers on the devices are mostly fixed and installed by bolts, it is inconvenient to disassemble the bending rollers, and it is inconvenient to operate when inspection and replacement are required, so a stainless steel pipe bending mechanism is proposed. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a stainless steel pipe bending mechanism, which has the advantages of easy disassembly of the bending roller, etc., and solves the problem that during use of the existing stainless steel pipe bending device, the bending rollers on the device are mostly fixed and installed by bolts, which makes it inconvenient to disassemble the bending rollers and inconvenient to operate when inspection and replacement are required.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose of facilitating the disassembly of the bending roller, the utility model provides the following technical solutions: a stainless steel pipe bending mechanism, comprising a bottom plate, a mounting plate is arranged on the top of the bottom plate, a fixing assembly is arranged on the left end of the front side of the mounting plate, a U-shaped frame is arranged on the right end of the rear side of the mounting plate, a mounting shaft with one end extending to the front side of the mounting plate is arranged on the rear side of the inner wall of the U-shaped frame, a fixing plate is arranged on the front side of the mounting shaft, a driving assembly with one end movably connected to the inner bottom wall of the U-shaped frame and the other end extending to the top of the U-shaped frame is arranged on the outer side of the mounting shaft, a first U-shaped plate is arranged on the bottom of the front side of the fixing plate, a first rotating shaft is arranged between the front and rear sides of the inner wall of the first U-shaped plate, a limiting roller is arranged on the outer side of the first rotating shaft, a mounting block located above the limiting roller is arranged on the front side of the fixing plate, a mounting groove is arranged on the bottom of the mounting block, a connecting block with one end extending to the bottom of the mounting block is arranged between the left and right sides of the inner wall of the mounting groove, the top of the connecting block is in contact with the inner top wall of the mounting groove and the rear side of the connecting block Affixed to the rear side of the inner wall of the mounting groove, a second U-shaped plate is provided at the bottom of the connecting block, a second rotating shaft is provided between the front and rear sides of the inner wall of the second U-shaped plate, a bending roller located above the limiting roller is provided on the outer side of the second rotating shaft, a rectangular groove is provided on the rear side of the connecting block, and a rectangular limiting block with one end extending into the interior of the rectangular groove is provided on the rear side of the inner wall of the mounting groove, a shell is provided on the left and right sides of the mounting block, threaded rods are provided on the inner walls of the opposite sides of the two shells, and positioning grooves are provided on the left and right sides of the connecting block, and the interiors of the two shells are respectively provided with positioning blocks threadedly connected to the outer sides of the two threaded rods and one end of which extends into the interiors of the two positioning grooves respectively, and the bottoms of the two shells are respectively provided with a third rotating shaft with one end extending into the interior thereof, and the tops of the two third rotating shafts are respectively provided with driving bevel gears, and the outer sides of the two threaded rods are respectively provided with driven bevel gears located on the opposite sides of the two positioning blocks and one end of which meshes with the two driving bevel gears respectively, and the bottoms of the two third rotating shafts are respectively provided with hand wheels.

[0007] Preferably, the fixing assembly includes a connecting plate, and two connecting plates symmetrically distributed up and down are fixedly installed on the left end of the front side of the mounting plate, and hydraulic cylinders are fixedly installed on the left and right ends of the two connecting plates on the opposite sides, and the output ends of the hydraulic cylinders on the upper and lower sides extend to the opposite sides of the two connecting plates, and the output ends of the two hydraulic cylinders on the left are fixedly installed with clamps with one end fixedly connected to the output ends of the two hydraulic cylinders on the right.

[0008] Preferably, the drive assembly includes a servo motor, and the servo motor is fixedly installed on the top of the U-shaped frame. The output shaft of the servo motor extends to the interior of the U-shaped frame and is fixedly installed with a worm gear located on the left side of the installation shaft and movably connected to the inner bottom wall of the U-shaped frame at one end; and a worm wheel located inside the U-shaped frame and meshing with the worm gear at one end is fixedly installed on the outer side of the installation shaft.

[0009] Preferably, a first bearing is fixedly installed on the rear side of the inner wall of the U-shaped frame, the mounting shaft is rotatably connected to the rear side of the inner wall of the U-shaped frame through the first bearing, and a mounting hole matching the mounting shaft is opened at the right end of the rear side of the mounting plate.

[0010] Preferably, a second bearing is fixedly mounted on the inner bottom wall of the U-shaped frame, and the worm is rotatably connected to the inner bottom wall of the U-shaped frame via the second bearing.

[0011] Preferably, a third bearing is fixedly mounted on the inner walls of opposite sides of the two shells, the threaded rod is rotatably connected to the inner wall of the shell via the third bearing, and threaded grooves respectively matching the two threaded rods are provided on opposite sides of the two positioning blocks.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a stainless steel pipe bending mechanism, which has the following beneficial effects:

[0014] The stainless steel pipe bending mechanism drives two third rotating shafts and two driving bevel gears to rotate by turning two hand wheels, and then drives two threaded rods to rotate through two driven bevel gears. The two threaded rods drive two positioning blocks to move away from each other during the rotation, so that the two positioning blocks are respectively moved out from the inside of the two positioning grooves, thereby releasing the position restriction of the connecting block. At this time, the connecting block can be pulled forward from the inside of the mounting groove to remove the bending roller, thereby achieving the purpose of facilitating the disassembly of the bending roller and facilitating the inspection and replacement of the bending roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a partial schematic diagram of a right side cross-section of a fixing assembly of the utility model;

[0017] Figure 3 It is a partial schematic diagram of a right side cross-section of a fixing plate of the utility model;

[0018] Figure 4 For this utility model Figure 1 Enlarged view of point A in the middle.

[0019] In the figure: 1 base plate, 2 mounting plate, 3 fixing assembly, 31 connecting plate, 32 hydraulic cylinder, 33 clamping block, 4 U-shaped frame, 5 mounting shaft, 6 fixing plate, 7 driving assembly, 71 servo motor, 72 worm, 73 worm wheel, 8 first U-shaped plate, 9 first rotating shaft, 10 limiting roller, 11 mounting block, 12 mounting groove, 13 connecting block, 14 second U-shaped plate, 15 second rotating shaft, 16 bending roller, 17 rectangular groove, 18 rectangular limiting block, 19 housing, 20 threaded rod, 21 positioning groove, 22 positioning block, 23 third rotating shaft, 24 driving bevel gear, 25 driven bevel gear, 26 handwheel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a stainless steel pipe bending mechanism, including a bottom plate 1, a mounting plate 2 is fixedly installed on the top of the bottom plate 1, a fixing assembly 3 is fixedly installed on the front left end of the mounting plate 2, the fixing assembly 3 includes a connecting plate 31, two connecting plates 31 are fixedly installed on the front left end of the mounting plate 2 and are symmetrically distributed up and down, hydraulic cylinders 32 are fixedly installed on the left and right ends of the opposite sides of the two connecting plates 31, the model of the hydraulic cylinder 32 can be HSGF01-90, the output ends of the hydraulic cylinders 32 on the upper and lower sides are extended to the opposite sides of the two connecting plates 31, and the output ends of the two hydraulic cylinders 32 on the left are fixedly installed with clamps 33, one end of which is respectively fixedly connected to the output ends of the two hydraulic cylinders 32 on the right.

[0022] A U-shaped frame 4 is fixedly installed on the right end of the rear side of the mounting plate 2, and a mounting shaft 5 with one end extending to the front side of the mounting plate 2 is movably installed on the rear side of the inner wall of the U-shaped frame 4, and a first bearing is fixedly installed on the rear side of the inner wall of the U-shaped frame 4, and the mounting shaft 5 is rotatably connected to the rear side of the inner wall of the U-shaped frame 4 through the first bearing. A mounting hole adapted to the mounting shaft 5 is opened on the right end of the rear side of the mounting plate 2, and a fixing plate 6 is fixedly installed on the front side of the mounting shaft 5. A driving component 7 with one end movably connected to the inner bottom wall of the U-shaped frame 4 and the other end extending to the top of the U-shaped frame 4 is fixedly installed on the outer side of the mounting shaft 5. The driving component Component 7 includes a servo motor 71, which is fixedly installed on the top of the U-shaped frame 4. The model of the servo motor 71 can be MR-J2S-10A. The output shaft of the servo motor 71 extends to the inside of the U-shaped frame 4 and is fixedly installed with a worm 72 located on the left side of the installation shaft 5 and movably connected to the inner bottom wall of the U-shaped frame 4 at one end. A second bearing is fixedly installed on the inner bottom wall of the U-shaped frame 4, and the worm 72 is rotatably connected to the inner bottom wall of the U-shaped frame 4 through the second bearing. A worm wheel 73 located inside the U-shaped frame 4 and meshing with the worm 72 at one end is fixedly installed on the outer side of the installation shaft 5.

[0023] A first U-shaped plate 8 is fixedly installed at the bottom of the front side of the fixed plate 6, a first rotating shaft 9 is movably installed between the front and rear sides of the inner wall of the first U-shaped plate 8, fourth bearings are fixedly installed on the front and rear sides of the inner wall of the first U-shaped plate 8, the first rotating shaft 9 is rotatably connected to the inner wall of the first U-shaped plate 8 through the fourth bearing, a limiting roller 10 is fixedly installed on the outer side of the first rotating shaft 9, a mounting block 11 located above the limiting roller 10 is fixedly installed on the front side of the fixed plate 6, a mounting groove 12 is opened at the bottom of the mounting block 11, the front side of the inner wall of the mounting groove 12 is open, a connecting block 13 with one end extending to the bottom of the mounting block 11 is movably installed between the left and right sides of the inner wall of the mounting groove 12, and the connecting block 13 The top is fitted with the inner top wall of the mounting groove 12 and the rear side of the connecting block 13 is fitted with the rear side of the inner wall of the mounting groove 12, a second U-shaped plate 14 is fixedly installed at the bottom of the connecting block 13, a second rotating shaft 15 is movably installed between the front and rear sides of the inner wall of the second U-shaped plate 14, a fifth bearing is fixedly installed on the front and rear sides of the inner wall of the second U-shaped plate 14, the second rotating shaft 15 is rotatably connected to the inner wall of the second U-shaped plate 14 through the fifth bearing, a bending roller 16 located above the limiting roller 10 is fixedly installed on the outer side of the second rotating shaft 15, a rectangular groove 17 is opened on the rear side of the connecting block 13, and a rectangular limiting block 18 with one end extending to the inside of the rectangular groove 17 is fixedly installed on the rear side of the inner wall of the mounting groove 12.

[0024] Shells 19 are fixedly installed on the left and right sides of the mounting block 11. The inner walls on the opposite sides of the two shells 19 are both open. Threaded rods 20 are movably installed on the inner walls on the opposite sides of the two shells 19. Positioning grooves 21 are provided on the left and right sides of the connecting block 13. Positioning blocks 22 are movably installed inside the two shells 19, which are respectively threadedly connected to the outer sides of the two threaded rods 20 and one end of which extends to the inside of the two positioning grooves 21. Third bearings are fixedly installed on the inner walls on the opposite sides of the two shells 19. The threaded rods 20 are rotatably connected to the inner wall of the shell 19 through the third bearing. The two positioning blocks 22 are respectively threadedly connected to the outer sides of the two threaded rods 20 and one end of which extends to the inside of the two positioning grooves 21. The opposite sides of the positioning block 22 are provided with threaded grooves respectively matched with the two threaded rods 20, and the left and right sides of the mounting block 11 are provided with through holes matched with the positioning block 22. The bottom of the two housings 19 is movably mounted with a third rotating shaft 23 with one end extending into the interior thereof, and the tops of the two third rotating shafts 23 are fixedly mounted with driving bevel gears 24. The outer sides of the two threaded rods 20 are fixedly mounted with driven bevel gears 25 respectively located on the opposite sides of the two positioning blocks 22 and one end of which is respectively meshed with the two driving bevel gears 24, and the bottoms of the two third rotating shafts 23 are fixedly mounted with hand wheels 26.

[0025] When in use, one end of the stainless steel pipe is passed through between the limiting roller 10 and the bending roller 16 to extend the left end of the stainless steel pipe to the opposite side of the two clamping blocks 33, and then the upper and lower hydraulic cylinders 32 can be started by the external controller to drive the two clamping blocks 33 to move relative to each other to clamp and fix the left end of the stainless steel pipe. Then, the servo motor 71 can be started to drive the worm 72 to rotate, and then the worm gear 73 can be used to drive the mounting shaft 5 and the fixing plate 6 to rotate clockwise as a whole. At this time, the bending roller 16 will squeeze and bend the stainless steel pipe during the rotation process. Since the bending roller 16 repeatedly performs high-intensity squeezing operations, the bending roller 16 16 is prone to damage. When the bending roller 16 needs to be inspected and replaced, the two hand wheels 26 can be turned to drive the two third rotating shafts 23 and the two driving bevel gears 24 to rotate, and then the two threaded rods 20 can be driven to rotate through the two driven bevel gears 25. During the rotation, the two threaded rods 20 will drive the two positioning blocks 22 to move away from each other, so that the two positioning blocks 22 are respectively moved out of the inside of the two positioning grooves 21, thereby releasing the position restriction of the connecting block 13. At this time, the connecting block 13 can be pulled forward from the inside of the mounting groove 12 to remove the bending roller 16, thereby facilitating the inspection and replacement of the bending roller 16.

[0026] To sum up, the stainless steel pipe bending mechanism drives the two third rotating shafts 23 and the two driving bevel gears 24 to rotate by turning the two hand wheels 26, and then drives the two threaded rods 20 to rotate through the two driven bevel gears 25. The two threaded rods 20 will drive the two positioning blocks 22 to move away from each other during the rotation, so that the two positioning blocks 22 are respectively moved out from the inside of the two positioning grooves 21, thereby releasing the position restriction of the connecting block 13. At this time, the connecting block 13 can be pulled forward from the inside of the mounting groove 12 to remove the bending roller 16, thereby achieving the purpose of facilitating the disassembly of the bending roller 16, and then facilitating the inspection and replacement of the bending roller 16, solving the problem that during the use of the existing stainless steel pipe bending device, the bending rollers on the device are mostly fixed and installed by bolts, which makes it inconvenient to disassemble the bending rollers and inconvenient to operate when inspection and replacement are required.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stainless steel pipe bending mechanism, comprising a bottom plate (1), a mounting plate (2) being arranged on the top of the bottom plate (1), a fixing assembly (3) being arranged on the front left end of the mounting plate (2), a U-shaped frame (4) being arranged on the rear right end of the mounting plate (2), a mounting shaft (5) having one end extending to the front side of the mounting plate (2) being arranged on the rear side of the inner wall of the U-shaped frame (4), a fixing plate (6) being arranged on the front side of the mounting shaft (5), a driving assembly (7) having one end movably connected to the inner bottom wall of the U-shaped frame (4) and the other end extending to the top of the U-shaped frame (4) being arranged on the outer side of the mounting shaft (5), a first U-shaped plate (8) being arranged on the front bottom of the fixing plate (6), a first rotating shaft (9) being arranged between the front and rear sides of the inner wall of the first U-shaped plate (8), the outer side of the first rotating shaft (9) A limiting roller (10) is provided, a mounting block (11) located above the limiting roller (10) is provided on the front side of the fixing plate (6), a mounting groove (12) is provided at the bottom of the mounting block (11), a connecting block (13) with one end extending to the bottom of the mounting block (11) is provided between the left and right sides of the inner wall of the mounting groove (12), the top of the connecting block (13) is in contact with the inner top wall of the mounting groove (12) and the rear side of the connecting block (13) is in contact with the rear side of the inner wall of the mounting groove (12), a second U-shaped plate (14) is provided at the bottom of the connecting block (13), a second rotating shaft (15) is provided between the front and rear sides of the inner wall of the second U-shaped plate (14), and a bending roller (16) located above the limiting roller (10) is provided on the outer side of the second rotating shaft (15), characterized in that: A rectangular groove (17) is provided on the rear side of the connection block (13); a rectangular stopper (18) having one end extending into the interior of the rectangular groove (17) is provided on the rear side of the inner wall of the installation groove (12); shells (19) are provided on the left and right sides of the installation block (11); threaded rods (20) are provided on the inner walls of the opposite sides of the two shells (19); positioning grooves (21) are provided on the left and right sides of the connection block (13); and the interiors of the two shells (19) are provided with threaded connection members which are respectively connected to the outer sides of the two threaded rods (20) and A positioning block (22) with one end extending into the inside of the two positioning grooves (21) is provided at the bottom of the two housings (19), one end of which extends into the inside of the two housings (19), a driving bevel gear (24) is provided at the top of the two third rotating shafts (23), and a driven bevel gear (25) is provided on the outer side of the two threaded rods (20), which is located at the opposite side of the two positioning blocks (22) and one end of which is meshed with the two driving bevel gears (24), and a hand wheel (26) is provided at the bottom of the two third rotating shafts (23).

2. A stainless steel pipe bending mechanism according to claim 1, characterized in that: The fixing assembly (3) comprises a connecting plate (31), two connecting plates (31) symmetrically distributed up and down are fixedly mounted on the left front end of the mounting plate (2), hydraulic cylinders (32) are fixedly mounted on the left and right ends of the two connecting plates (31) on the opposite sides, the output ends of the hydraulic cylinders (32) on the upper and lower sides extend to the opposite sides of the two connecting plates (31), and the output ends of the two hydraulic cylinders (32) on the left side are fixedly mounted with clamping blocks (33) whose ends are respectively fixedly connected to the output ends of the two hydraulic cylinders (32) on the right side.

3. A stainless steel pipe bending mechanism according to claim 1, characterized in that: The driving assembly (7) comprises a servo motor (71), the servo motor (71) is fixedly mounted on the top of the U-shaped frame (4), the output shaft of the servo motor (71) extends into the interior of the U-shaped frame (4) and is fixedly mounted with a worm (72) located on the left side of the mounting shaft (5) and movably connected to the inner bottom wall of the U-shaped frame (4) at one end, and a worm wheel (73) located inside the U-shaped frame (4) and meshing with the worm (72) at one end is fixedly mounted on the outer side of the mounting shaft (5).

4. A stainless steel pipe bending mechanism according to claim 1, characterized in that: A first bearing is fixedly mounted on the rear side of the inner wall of the U-shaped frame (4); the mounting shaft (5) is rotatably connected to the rear side of the inner wall of the U-shaped frame (4) via the first bearing; and a mounting hole matching the mounting shaft (5) is provided at the right end of the rear side of the mounting plate (2).

5. A stainless steel pipe bending mechanism according to claim 3, characterized in that: A second bearing is fixedly mounted on the inner bottom wall of the U-shaped frame (4), and the worm (72) is rotatably connected to the inner bottom wall of the U-shaped frame (4) via the second bearing.

6. A stainless steel pipe bending mechanism according to claim 1, characterized in that: A third bearing is fixedly mounted on the inner walls of the two opposite sides of the housing (19); the threaded rod (20) is rotatably connected to the inner wall of the housing (19) via the third bearing; and threaded grooves respectively matching the two threaded rods (20) are formed on the opposite sides of the two positioning blocks (22).

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