Limiting stopper for metal corrugated pipe machining

Abstract

The utility model discloses a metal bellows processing stopper, including three spacing rings and bending box, the top of bending box is connected with the two corresponding spacing rings, the inside of bending box is provided with a rotating disk, one side of the rotating disk is fixedly connected with an adjusting box, the top of the adjusting box is connected with a moving block in a sliding and interpenetrating manner, and the moving block is connected with the rotating disk. The tops of the moving blocks are connected with the corresponding limiting rings, and a bending mechanism is arranged in the bending box. The bending mechanism comprises a supporting column fixedly connected to the inner wall of the bottom of the bending box, and the supporting column rotationally extends into the rotating disc. According to the limiting stopper for metal corrugated pipe machining, the bending mechanism can drive the single limiting ring to rotate, so that the single limiting ring and the other two limiting rings form an included angle to bend a metal corrugated pipe, and bending machining of the metal corrugated pipe is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows processing, in particular to a stopper for processing metal bellows. Background Art

[0002] Metal bellows is a kind of pipe with regular wave-like appearance. Commonly used metal bellows are carbon steel, stainless steel, steel lined with plastic, aluminum, etc. It is mainly used for non-concentric axial transmission with a very small bending radius, or irregular turning, expansion, or absorbing thermal deformation of pipes, or for connecting pipes to pipes or pipes to equipment in occasions where it is not convenient to install with fixed elbows.

[0003] Publication number CN 208204309 U discloses a bellows guiding and limiting device, comprising an upper flange ring, a telescopic rod, a lower flange ring and a middle flange ring, wherein a middle flange ring is arranged on one side of the upper flange ring, a lower flange ring is arranged on one side of the middle flange ring, the upper flange ring, the lower flange ring and the middle flange ring are coaxial and have the same structure, two symmetrical telescopic rod fixing seats are welded on the upper and lower surfaces of the upper flange ring, a telescopic rod fixing hole is arranged on the surface of the telescopic rod fixing seat, a bellows mounting ring is welded on one side of the upper flange ring, the telescopic rod comprises a telescopic rod cylinder body and a connecting rod, and the connecting rod is arranged inside the telescopic rod cylinder body. The practical new type can replace the linear bearing, the optical axis and the limiting mechanism through the telescopic rod, which can effectively reduce the number of parts of the device, thereby improving the production efficiency of the device, and at the same time, the telescopic rod has a simple structure and is not prone to failure.

[0004] However, the limiting device has the following shortcomings: the device can provide limiting support for the bellows when in use, but often some bellows need to be bent during processing, so that they are in a bent state for related processing operations, and the limiting work cannot bend the bellows, so the limiting effect is limited.

[0005] Therefore, the utility model provides a stopper for processing a metal bellows to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a stopper for metal bellows processing, which solves the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a stopper for metal bellows processing, comprising three stop rings and a bending box, the top of the bending box is connected to the corresponding two stop rings, a rotating disk is arranged in the bending box, one side of the rotating disk is fixedly connected to an adjustment box, the top of the adjustment box is slidably connected to a moving block, the top of the moving block is connected to the corresponding stop ring, and a bending mechanism is arranged in the bending box;

[0008] The bending mechanism includes a support column fixedly connected to the bottom inner wall of the bending box, the support column rotates and extends into the rotating disk, the top inner wall of the rotating disk is fixedly connected with a gear ring, a first motor is fixedly connected inside the support column, a driving gear is fixedly connected to the output shaft of the first motor, the driving gear is meshed with the gear ring, a plurality of rollers are movably inlaid on the bottom of the rotating disk, and the bottom of the rollers is in contact with the bottom inner wall of the bending box.

[0009] Preferably, a second motor is fixedly connected to an outer wall of one side of the adjusting box, and a long threaded rod is fixedly connected to the output shaft of the second motor. One end of the long threaded rod is rotated and extended into the adjusting box. The thread of the long threaded rod passes through the moving block. The position of a single limit ring can be conveniently adjusted by using the second motor and the threaded rod in combination, so that it can be suitable for metal bellows of different lengths.

[0010] Preferably, the top of the limiting ring is penetrated and connected with a fixing cylinder, the top of the fixing cylinder is rotatably penetrated and connected with a threaded short rod, a telescopic sleeve is threadedly sleeved on the threaded short rod, the bottom end of the telescopic sleeve slides and extends into the limiting ring, the bottom end of the telescopic sleeve is fixedly connected with a pressure plate, and the top end of the threaded short rod is fixedly connected with a handwheel. By using the fixed cylinder, threaded short rod, telescopic sleeve, pressure plate and handwheel in combination, metal bellows of different sizes can be clamped and fixed, so that they can be processed conveniently.

[0011] Preferably, two arc-shaped limit openings are provided on the top of the rotating disk, and two clamping rods are fixedly connected to the top inner wall of the bending box. The bottom ends of the two clamping rods slide through the corresponding arc-shaped limit openings. The arc-shaped limit openings and the clamping rods are used in combination to limit the rotation range of the rotating disk to prevent the rotation angle from being too large.

[0012] Preferably, a slide rod is fixedly connected inside the adjustment box, and the slide rod slides through the moving block. The moving block can be limited by the provided slide rod, so that the movement of the moving block is smoother.

[0013] Preferably, a movable opening is provided on the outer wall of the fixed cylinder, and a stop rod is fixedly connected to the outer wall of the telescopic sleeve, and the stop rod slides through the movable opening. The movable opening and the stop rod are used in combination to conveniently limit the telescopic sleeve, so that it can move smoothly and prevent it from detaching from the fixed cylinder.

[0014] Preferably, a lower soft pad is fixedly connected to the inner wall of the limiting ring, and an upper soft pad is fixedly connected to the bottom of the pressure plate. The lower soft pad and the upper soft pad are used together to facilitate clamping of the metal bellows, increase friction and prevent it from falling off.

[0015] Preferably, the bottom of the bending box is fixedly connected with a fastening base, and a plurality of screw holes are provided on the fastening base. The fastening base and the screw holes are used in combination to conveniently fix the bending box and facilitate processing.

[0016] Beneficial Effects

[0017] The utility model provides a stopper for metal bellows processing. Compared with the prior art, it has the following beneficial effects:

[0018] (1) The limiter for processing the metal bellows can drive a single limit ring to rotate through the provided bending mechanism, so that it forms an angle with the other two limit rings to bend the metal bellows, thereby facilitating the bending process.

[0019] (2) The limiter for processing metal bellows can adjust the position of a single limit ring by using a long threaded rod and a moving block, so that it can be suitable for metal bellows of different lengths. At the same time, the pressure plate set on the limit ring can clamp and fix the metal bellows, which is convenient for processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the bending mechanism in the utility model;

[0022] Figure 3 It is a schematic diagram of the external structure of the rotating disk in the utility model;

[0023] Figure 4 It is a schematic cross-sectional structural diagram of the limiting ring in the utility model.

[0024] In the figure: 1. limit ring; 2. bending box; 3. rotating disk; 4. adjusting box; 5. moving block; 6. supporting column; 7. gear ring; 8. first motor; 9. driving gear; 10. roller; 11. second motor; 12. long threaded rod; 13. fixing cylinder; 14. short threaded rod; 15. telescopic sleeve; 16. pressing plate; 17. hand wheel; 18. arc limit opening; 19. clamping rod; 20. sliding rod; 21. moving opening; 22. stop rod; 23. lower cushion; 24. upper cushion; 25. fastening base; 26. screw hole. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1:

[0027] See also Figures 1 to 4 A stopper for processing a metal corrugated pipe comprises three stop rings 1 and a bending box 2, the top of the bending box 2 is connected to the corresponding two stop rings 1, a rotating disk 3 is arranged inside the bending box 2, one side of the rotating disk 3 is fixedly connected to an adjusting box 4, one side of the adjusting box 4 is slidably extended to the outside of the bending box 2, the top of the adjusting box 4 is slidably connected to a moving block 5, the top of the moving block 5 is connected to the corresponding stop ring 1, and a bending mechanism is arranged inside the bending box 2;

[0028] The bending mechanism includes a support column 6 fixedly connected to the bottom inner wall of the bending box 2, the support column 6 rotates and extends into the rotating disk 3, the top inner wall of the rotating disk 3 is fixedly connected with a gear ring 7, a first motor 8 is fixedly connected inside the support column 6, a driving gear 9 is fixedly connected to the output shaft of the first motor 8, the driving gear 9 is meshed with the gear ring 7, a plurality of rollers 10 are movably inlaid on the bottom of the rotating disk 3, and the bottom of the rollers 10 is in contact with the bottom inner wall of the bending box 2.

[0029] Embodiment 2:

[0030] See also Figures 1 to 4This embodiment provides a technical solution based on the first embodiment: a second motor 11 is fixedly connected to an outer wall of one side of the regulating box 4, a threaded long rod 12 is fixedly connected to the output shaft of the second motor 11, one end of the threaded long rod 12 is rotated to extend into the regulating box 4, and the threaded long rod 12 threadedly penetrates the moving block 5; a fixed cylinder 13 is penetrated and connected to the top of the limiting ring 1, a threaded short rod 14 is rotatably penetrated and connected to the top of the fixed cylinder 13, a telescopic sleeve 15 is threadedly sleeved on the threaded short rod 14, and the bottom end of the telescopic sleeve 15 slides and extends into the limiting ring 1, a pressing plate 16 is fixedly connected to the bottom end of the telescopic sleeve 15, and a hand wheel 17 is fixedly connected to the top of the threaded short rod 14; the top of the rotating disk 3 is opened Two arc-shaped limit openings 18 are provided, and two clamping rods 19 are fixedly connected to the top inner wall of the bending box 2, and the bottom ends of the two clamping rods 19 slide through the corresponding arc-shaped limit openings 18; a sliding rod 20 is fixedly connected to the adjusting box 4, and the sliding rod 20 slides through the moving block 5; a moving opening 21 is provided on the outer wall of the fixed cylinder 13, and a blocking rod 22 is fixedly connected to the outer wall of the telescopic sleeve 15, and the blocking rod 22 slides through the moving opening 21; a lower soft pad 23 is fixedly connected to the inner wall of the limit ring 1, and an upper soft pad 24 is fixedly connected to the bottom of the pressure plate 16, and the lower soft pad 23 and the upper soft pad 24 are both made of rubber; a fastening base 25 is fixedly connected to the bottom of the bending box 2, and a plurality of screw holes 26 are provided on the fastening base 25.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] Working principle: When in use, the metal bellows is passed through the three limit rings 1 in sequence, and the handwheel 17 installed on the limit ring 1 on the bending box 2 is turned. The handwheel 17 drives the telescopic sleeve 15 threadedly connected to it to descend through the threaded short rod 14 until the pressure plate 16 presses the metal bellows, and then adjusts the position of the adjustment box 4 according to processing needs. It is only necessary to start the first motor 8. The first motor 8 drives the gear ring 7 meshing with it to rotate through the driving gear 9, and the gear ring 7 drives the connected rotating disk 3 to rotate. The rotating disk 3 drives the adjustment box 4 to rotate until it is in a suitable position. The angle formed by the limit ring 1 on the moving block 5 and the two limit rings 1 on the bending box 2 meets the processing requirements. Then start the second motor 11. The second motor 11 drives the moving block 5 threadedly connected to it to move through the threaded long rod 12, and adjusts the position of the limit ring 1 connected to it until it meets the length requirement of the metal bellows. Then turn the handwheel 17 to clamp the metal bellows firmly. After completing the limit work, it can be processed.

[0033] 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.

[0034] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0035] Although the 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 stopper for processing a metal bellows, comprising three stopper rings (1) and a bending box (2), characterized in that: The top of the bending box (2) is connected to two corresponding limit rings (1), a rotating disk (3) is arranged inside the bending box (2), one side of the rotating disk (3) is fixedly connected to an adjustment box (4), the top of the adjustment box (4) is slidably connected to a moving block (5), the top of the moving block (5) is connected to the corresponding limit rings (1), and a bending mechanism is arranged inside the bending box (2); The bending mechanism comprises a support column (6) fixedly connected to the bottom inner wall of the bending box (2), the support column (6) rotatably extends into the rotating disk (3), the top inner wall of the rotating disk (3) is fixedly connected with a gear ring (7), a first motor (8) is fixedly connected inside the support column (6), a driving gear (9) is fixedly connected to the output shaft of the first motor (8), the driving gear (9) is meshed with the gear ring (7), and a plurality of rollers (10) are movably embedded in the bottom of the rotating disk (3), and the bottoms of the rollers (10) are in contact with the bottom inner wall of the bending box (2).

2. A stopper for metal bellows processing according to claim 1, characterized in that: A second motor (11) is fixedly connected to an outer wall of one side of the regulating box (4); a threaded long rod (12) is fixedly connected to an output shaft of the second motor (11); one end of the threaded long rod (12) is rotatably extended into the regulating box (4); and the threaded long rod (12) is threadedly passed through the moving block (5).

3. A stopper for processing a metal bellows according to claim 2, characterized in that: The top of the limiting ring (1) is connected with a fixing tube (13), the top of the fixing tube (13) is rotatably connected with a threaded short rod (14), a telescopic sleeve (15) is threadedly sleeved on the threaded short rod (14), the bottom end of the telescopic sleeve (15) slides and extends into the limiting ring (1), the bottom end of the telescopic sleeve (15) is fixedly connected with a pressure plate (16), and the top end of the threaded short rod (14) is fixedly connected with a hand wheel (17).

4. The stopper for metal bellows processing according to claim 1, characterized in that: The top of the rotating disk (3) is provided with two arc-shaped limit openings (18), and the top inner wall of the bending box (2) is fixedly connected with two clamping rods (19), and the bottom ends of the two clamping rods (19) slide through the corresponding arc-shaped limit openings (18).

5. The stopper for processing a metal bellows according to claim 1, characterized in that: A sliding rod (20) is fixedly connected inside the regulating box (4), and the sliding rod (20) slides through the moving block (5).

6. The stopper for processing a metal bellows according to claim 3, characterized in that: The outer wall of the fixed cylinder (13) is provided with a moving opening (21), and the outer wall of the telescopic sleeve (15) is fixedly connected with a blocking rod (22), and the blocking rod (22) slides through the moving opening (21).

7. The stopper for processing a metal bellows according to claim 3, characterized in that: A lower soft pad (23) is fixedly connected to the inner wall of the limiting ring (1), and an upper soft pad (24) is fixedly connected to the bottom of the pressing plate (16).

8. The stopper for processing a metal bellows according to claim 1, characterized in that: The bottom of the bending box (2) is fixedly connected to a fastening base (25), and the fastening base (25) is provided with a plurality of screw holes (26).

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