Angle-controllable pipe bending machine for ceramic steel composite pipe production

Abstract

The utility model discloses an angle-controllable pipe bending machine for producing a ceramic steel composite pipe, and relates to the technical field of composite pipe bending. The device comprises a fixed frame and a connecting frame, wherein an adjusting mechanism is arranged on the fixed frame; the adjusting mechanism comprises sliding grooves formed in the top face and the bottom face of the connecting frame correspondingly, an L-shaped connecting plate is slidably connected between the two sliding grooves, two fixing plates are fixedly connected to the top face of the fixing frame, and a first motor is fixedly connected to the top face of the connecting frame. The output end of the first motor is fixedly connected with a first threaded rod, the first threaded rod is in threaded connection with an internal threaded block, the bottom surface of the internal threaded block is fixedly connected with the top surface of an L-shaped connecting plate, and the inner wall of the L-shaped connecting plate is fixedly connected with a first rotating rod. According to the composite pipe bending device, the adjusting mechanism is arranged, so that composite pipes with different calibers can be bent, and the bending efficiency and quality are greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of composite pipe bending, in particular to an angle-controllable pipe bending machine for producing ceramic steel composite pipes. Background Art

[0002] In the prior art, after searching, it was found that a Chinese patent disclosed "an angle-controllable pipe bending machine for the production of ceramic-steel composite pipes", and its application number is "CN201921843559.5". This patent mainly uses three hydraulic cylinders for driving, which reduces the stress level of a single hydraulic cylinder, thereby extending the service life of the device. Secondly, through the regulation of multiple hydraulic cylinders, the bending angle of the pipe is more precise.

[0003] However, in this device, the middle part of the composite pipe is directly lifted for bending, which will lead to a high damage rate of the composite pipe, and the above-mentioned bending mechanism cannot bend composite pipes of different diameters. As a whole, the above-mentioned bending machine is not practical and has low bending quality. Utility Model Content

[0004] The purpose of the utility model is to provide an angle-controllable pipe bending machine for producing ceramic steel composite pipes, which can bend composite pipes of different calibers by providing an adjustment mechanism, greatly improving the efficiency and quality of bending. The above-mentioned bending mechanism cannot bend composite pipes of different calibers, and the overall combination leads to the low practicality and low bending quality of the above-mentioned bending machine.

[0005] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0006] The utility model is an angle-controllable pipe bending machine for producing ceramic steel composite pipes, comprising a fixed frame and a connecting frame, wherein the fixed frame is provided with an adjusting mechanism, a pipe bending mechanism, a driving mechanism, a positioning mechanism, a buffer mechanism and a clamping mechanism;

[0007] The adjustment mechanism includes sliding grooves respectively opened on the top surface and bottom surface of the connecting frame, an L-shaped connecting plate is slidably connected between the two sliding grooves, two fixing plates are fixedly connected to the top surface of the fixing frame, a first motor is fixedly connected to the top surface of the connecting frame, a first threaded rod is fixedly connected to the output end of the first motor, an internal threaded block is threadedly connected to the first threaded rod, the bottom surface of the internal threaded block is fixedly connected to the top surface of the L-shaped connecting plate, and a first rotating rod is fixedly connected to the inner wall of the L-shaped connecting plate.

[0008] Furthermore, the pipe bending mechanism includes a first bearing fixedly connected to a first rotating rod, the first bearing is located inside a connecting frame, the outer ring of the first bearing is fixedly connected to a first bending disk, the top surface of the fixed frame is rotatably connected to a second rotating rod, the second rotating rod is fixedly connected to a second bearing, and the outer ring of the second bearing is fixedly connected to a second bending disk.

[0009] Furthermore, the driving mechanism includes a support plate fixedly connected to the inner wall of the fixed frame, the bottom surface of the support plate is fixedly connected to the second motor, the bottom end of the second rotating rod extends to the interior of the fixed frame, the bottom end of the second rotating rod is fixedly connected to the output end of the second motor, the support plate is fixedly connected to the bottom plate, the top surface of the bottom plate is fixedly connected to a limiting rod, the top end of the limiting rod is fixedly connected to the bottom surface of the connecting frame, the top surface of the fixed frame is provided with a limiting groove, and the limiting rod is slidably connected to the inner wall of the limiting groove.

[0010] Furthermore, the positioning mechanism includes a mounting plate fixedly connected to the second bending plate, a plurality of slots are provided on the top surface of the fixed frame, an insertion rod passes through the mounting plate, the insertion rod is slidably connected to the mounting plate, and the insertion rod is adapted to the slot.

[0011] Furthermore, the buffer mechanism includes a buffer component and a connecting component, the buffer component includes a positioning frame fixedly connected to the top surface of the mounting plate, a sliding rod passes through the positioning frame, the positioning frame is slidably connected to the sliding rod, the left end of the sliding rod is fixedly connected to a baffle, the sliding rod is sleeved with a spring, the left end of the spring is fixedly connected to the right side surface of the baffle, and the right end of the spring is fixedly connected to the left side surface of the positioning frame.

[0012] Furthermore, the connecting assembly includes two push rods fixedly connected to the right side surface of the baffle, the right ends of the two push rods extend into the interior of the positioning frame, and the right ends of the two push rods and the inner wall of the positioning frame are respectively fixedly connected with electrode sheets.

[0013] Furthermore, the clamping mechanism includes a clamping frame fixedly connected to the top surface of the fixed frame, and the left and right surfaces of the clamping frame are threadedly mounted with second threaded rods, and the ends of the two second threaded rods close to each other extend into the interior of the clamping frame, and the ends of the two second threaded rods close to each other are rotatably connected with clamping blocks, and the top surface of the clamping frame is provided with a groove, and the clamping block is slidably connected to the inner wall of the groove.

[0014] The utility model has the following beneficial effects:

[0015] 1. By providing an adjustment mechanism, the L-shaped connecting plate and the internal thread block cooperate with each other. When the first motor drives the first threaded rod to rotate, the internal thread block and the L-shaped connecting plate can be driven to move axially back and forth on the first threaded rod, so that the distance between the first bending disk and the second bending disk can be adjusted, so that the first bending disk and the second bending disk can always fit on the outer wall of the composite pipe, which can not only make the bending quality of the composite pipe higher, but also can bend composite pipes of different calibers, greatly improving the bending efficiency and quality.

[0016] 2. By setting up a buffer mechanism, the spring and the slide rod cooperate with each other, and the second motor drives the connecting frame to rotate slowly. During the bending process of the composite pipe, the connecting frame contacts the baffle and compresses the spring, which can buffer the impact force generated during the rotation of the connecting frame. The electrode sheet and the push rod cooperate with each other. When the spring is compressed, the two electrode sheets are close to each other. When the two electrode sheets are in contact, the second motor is powered off to stop bending. The positioning mechanism, the buffer mechanism and the clamping mechanism cooperate with each other to achieve precise control of the bending angle, avoid the error value caused by manual control, and improve accuracy.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the overall structure of an angle-controllable pipe bending machine for producing ceramic-steel composite pipes according to the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the adjustment mechanism of an angle-controllable pipe bending machine for producing ceramic-steel composite pipes according to the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the connection frame of an angle-controllable pipe bending machine for producing ceramic-steel composite pipes according to the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of a driving mechanism of an angle-controllable pipe bending machine for producing ceramic-steel composite pipes according to the utility model;

[0023] Figure 5 The utility model is a kind of angle controllable pipe bending machine for producing ceramic steel composite pipe Figure 1Schematic diagram of the enlarged structure at point A in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Fixed frame; 2. Adjustment mechanism; 3. Bending mechanism; 4. Driving mechanism; 5. Positioning mechanism; 6. Buffer mechanism; 7. Clamping mechanism; 21. Connecting frame; 22. Slide groove; 23. L-shaped connecting plate; 24. Fixed plate; 25. First motor; 26. First threaded rod; 27. Internal thread block; 28. First rotating rod; 31. First bearing; 32. First bending plate; 33. Second rotating rod; 34. Second bearing; 35. Second bending plate; 41. Support plate; 42. Second motor; 43. Bottom plate; 44. Limiting rod; 45. Limiting groove; 51. Mounting plate; 52. Slot; 53 Inserting rod; 61. Positioning frame; 62. Slide rod; 63. Baffle; 64. Spring; 65. Push rod; 66. Electrode sheet; 71. Clamping frame; 72. Second threaded rod; 73. Clamping block; 74. Groove. DETAILED DESCRIPTION

[0026] 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 of 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.

[0027] See also Figure 1-5 As shown, the utility model is an angle-controllable pipe bending machine for producing ceramic steel composite pipes, comprising a fixed frame 1 and a connecting frame 21, wherein the fixed frame 1 is provided with an adjusting mechanism 2, a pipe bending mechanism 3, a driving mechanism 4, a positioning mechanism 5, a buffer mechanism 6 and a clamping mechanism 7;

[0028] The adjusting mechanism 2 includes sliding grooves 22 respectively opened on the top and bottom surfaces of the connecting frame 21, an L-shaped connecting plate 23 is slidably connected between the two sliding grooves 22, two fixing plates 24 are fixedly connected to the top surface of the fixing frame 1, a first motor 25 is fixedly connected to the top surface of the connecting frame 21, a first threaded rod 26 is fixedly connected to the output end of the first motor 25, an internal thread block 27 is threadedly connected to the first threaded rod 26, the bottom surface of the internal thread block 27 is fixedly connected to the top surface of the L-shaped connecting plate 23, and a first rotating rod 28 is fixedly connected to the inner wall of the L-shaped connecting plate 23.

[0029] Among them Figure 1 and Figure 2As shown, the pipe bending mechanism 3 includes a first bearing 31 fixedly connected to the first rotating rod 28, the first bearing 31 is located inside the connecting frame 21, the outer ring of the first bearing 31 is fixedly connected to the first bending disk 32, the top surface of the fixed frame 1 is rotatably connected to the second rotating rod 33, the second rotating rod 33 is fixedly connected to the second bearing 34, and the outer ring of the second bearing 34 is fixedly connected to the second bending disk 35.

[0030] By providing the pipe bending mechanism 3, after fixing one end of the composite pipe and passing the composite pipe between the second bending disk 35 and the first bending disk 32, the composite pipe can be bent by twisting the connecting frame 21 forward.

[0031] Among them Figure 4 As shown, the driving mechanism 4 includes a support plate 41 fixedly connected to the inner wall of the fixed frame 1, the bottom surface of the support plate 41 is fixedly connected to the second motor 42, the bottom end of the second rotating rod 33 extends to the interior of the fixed frame 1, the bottom end of the second rotating rod 33 is fixedly connected to the output end of the second motor 42, the support plate 41 is fixedly connected to a bottom plate 43, the top surface of the bottom plate 43 is fixedly connected to a limiting rod 44, the top end of the limiting rod 44 is fixedly connected to the bottom surface of the connecting frame 21, the top surface of the fixed frame 1 is provided with a limiting groove 45, and the limiting rod 44 is slidably connected to the inner wall of the limiting groove 45.

[0032] By providing the driving mechanism 4, the second motor 42 can drive the connecting frame 21 to rotate synchronously when driving the second rotating rod 33 to rotate slowly, thereby realizing the automatic bending function of the composite pipe.

[0033] As shown in the figure, the positioning mechanism 5 includes a mounting plate 51 fixedly connected to the second bending plate 35, a plurality of slots 52 are provided on the top surface of the fixed frame 1, an insertion rod 53 passes through the mounting plate 51, the insertion rod 53 is slidably connected to the mounting plate 51, and the insertion rod 53 is adapted to the slot 52.

[0034] By providing the positioning mechanism 5, the slot 52 and the insertion rod 53 cooperate with each other, so that different insertion rods 53 can be inserted into the slot 52 to adjust and position the position of the mounting plate 51, so that the second bending disk 35 is always in a stationary state during the bending process.

[0035] Among them Figure 1 and Figure 5As shown, the buffer mechanism 6 includes a buffer component and a connecting component, the buffer component includes a positioning frame 61 fixedly connected to the top surface of the mounting plate 51, a sliding rod 62 passes through the positioning frame 61, the positioning frame 61 is slidably connected to the sliding rod 62, the left end of the sliding rod 62 is fixedly connected to a baffle 63, a spring 64 is sleeved on the sliding rod 62, the left end of the spring 64 is fixedly connected to the right side surface of the baffle 63, and the right end of the spring 64 is fixedly connected to the left side surface of the positioning frame 61.

[0036] By providing a buffer mechanism 6, the spring 64 cooperates with the slide rod 62, and the second motor 42 drives the connecting frame 21 to slowly rotate during the bending of the composite pipe. The connecting frame 21 contacts the baffle 63 and compresses the spring 64, which can buffer the impact force generated during the rotation of the connecting frame 21.

[0037] Among them Figure 1 and Figure 5 As shown, the connecting assembly includes two push rods 65 fixedly connected to the right side surface of the baffle 63, the right ends of the two push rods 65 extend to the interior of the positioning frame 61, and the right ends of the two push rods 65 and the inner wall of the positioning frame 61 are respectively fixedly connected with electrode sheets 66.

[0038] By providing a connecting component, the electrode sheet 66 cooperates with the top rod 65. When the spring 64 is compressed, the two electrode sheets 66 approach each other. When the two electrode sheets 66 are in contact, the second motor 42 is powered off to stop bending. The positioning mechanism 5 and the buffer mechanism 6 cooperate with each other to achieve precise control of the bending angle, avoid the error value caused by manual control, and improve accuracy.

[0039] Among them Figure 1 As shown, the clamping mechanism 7 includes a clamping frame 71 fixedly connected to the top surface of the fixed frame 1, and the left surface and the right surface of the clamping frame 71 are both threadedly installed with second threaded rods 72, and the ends of the two second threaded rods 72 that are close to each other extend to the interior of the clamping frame 71, and the ends of the two second threaded rods 72 that are close to each other are rotatably connected with clamping blocks 73, and the top surface of the clamping frame 71 is provided with a groove 74, and the clamping block 73 is slidably connected to the inner wall of the groove 74.

[0040] By providing the clamping mechanism 7, the second threaded rod 72 cooperates with the groove 74, and the two clamping blocks 73 can be brought closer to each other by twisting the two second threaded rods 72, so as to clamp and fix one end of the composite pipe.

[0041] A specific application of this embodiment is: by providing the adjustment mechanism 2, the L-shaped connecting plate 23 and the internal thread block 27 cooperate with each other, when the first motor 25 drives the first threaded rod 26 to rotate, the internal thread block 27 and the L-shaped connecting plate 23 can be driven to move axially back and forth on the first threaded rod 26, so that the distance between the first bending disk 32 and the second bending disk 35 can be adjusted, so that the first bending disk 32 and the second bending disk 35 can always fit on the outer wall of the composite pipe, which can not only make the bending quality of the composite pipe higher, but also can bend composite pipes of different calibers, greatly improving the efficiency and quality of bending;

[0042] By providing the pipe bending mechanism 3, after fixing one end of the composite pipe and passing the composite pipe between the second bending plate 35 and the first bending plate 32, the composite pipe can be bent by twisting the connecting frame 21 forward;

[0043] By providing the driving mechanism 4, the second motor 42 can drive the connecting frame 21 to rotate synchronously when driving the second rotating rod 33 to rotate slowly, thereby realizing the automatic bending function of the composite pipe;

[0044] By providing the positioning mechanism 5, the slot 52 and the insertion rod 53 cooperate with each other, so that the slot 52 can be inserted with different insertion rods 53 to adjust the position of the mounting plate 51, so that the second bending plate 35 is always in a stationary state during the bending process;

[0045] By providing a buffer mechanism 6, the spring 64 cooperates with the slide bar 62, and the second motor 42 drives the connecting frame 21 to slowly rotate during the bending of the composite pipe. The connecting frame 21 contacts the baffle 63 and compresses the spring 64, which can buffer the impact force generated during the rotation of the connecting frame 21;

[0046] By providing a connecting assembly, the electrode sheet 66 cooperates with the ejector rod 65. When the spring 64 is compressed, the two electrode sheets 66 approach each other. When the two electrode sheets 66 contact each other, the second motor 42 is powered off and stops bending. The positioning mechanism 5 and the buffer mechanism 6 cooperate with each other to achieve precise control of the bending angle, avoid the error value caused by manual control, and improve accuracy.

[0047] By providing the clamping mechanism 7, the second threaded rod 72 cooperates with the groove 74, and the two clamping blocks 73 can be brought closer to each other by twisting the two second threaded rods 72, so as to clamp and fix one end of the composite pipe.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An angle-controlled pipe bending machine for producing ceramic-steel composite pipes, comprising a fixed frame (1) and a connecting frame (21), characterized in that: The fixed frame (1) is provided with an adjusting mechanism (2), a pipe bending mechanism (3), a driving mechanism (4), a positioning mechanism (5), a buffer mechanism (6) and a clamping mechanism (7); The adjusting mechanism (2) comprises sliding grooves (22) respectively arranged on the top surface and the bottom surface of the connecting frame (21); an L-shaped connecting plate (23) is slidably connected between the two sliding grooves (22); two fixing plates (24) are fixedly connected to the top surface of the fixing frame (1); a first motor (25) is fixedly connected to the top surface of the connecting frame (21); a first threaded rod (26) is fixedly connected to the output end of the first motor (25); an internal thread block (27) is threadedly connected to the first threaded rod (26); the bottom surface of the internal thread block (27) is fixedly connected to the top surface of the L-shaped connecting plate (23); and a first rotating rod (28) is fixedly connected to the inner wall of the L-shaped connecting plate (23).

2. The angle-controlled pipe bending machine for producing ceramic-steel composite pipes according to claim 1, characterized in that: The pipe bending mechanism (3) comprises a first bearing (31) fixedly connected to a first rotating rod (28), the first bearing (31) being located inside a connecting frame (21), the outer ring of the first bearing (31) being fixedly connected to a first bending disk (32), the top surface of the fixed frame (1) being rotatably connected to a second rotating rod (33), the second rotating rod (33) being fixedly connected to a second bearing (34), and the outer ring of the second bearing (34) being fixedly connected to a second bending disk (35).

3. The angle-controlled pipe bending machine for producing ceramic-steel composite pipes according to claim 2, characterized in that: The driving mechanism (4) comprises a support plate (41) fixedly connected to the inner wall of the fixed frame (1); the bottom surface of the support plate (41) is fixedly connected to a second motor (42); the bottom end of the second rotating rod (33) extends to the inside of the fixed frame (1); the bottom end of the second rotating rod (33) is fixedly connected to the output end of the second motor (42); a bottom plate (43) is fixedly connected to the support plate (41); the top surface of the bottom plate (43) is fixedly connected to a limiting rod (44); the top end of the limiting rod (44) is fixedly connected to the bottom surface of the connecting frame (21); a limiting groove (45) is provided on the top surface of the fixed frame (1); the limiting rod (44) is slidably connected to the inner wall of the limiting groove (45).

4. The angle-controlled pipe bending machine for producing ceramic-steel composite pipes according to claim 3 is characterized in that: The positioning mechanism (5) comprises a mounting plate (51) fixedly connected to the second bending plate (35); a plurality of slots (52) are provided on the top surface of the fixed frame (1); an insertion rod (53) passes through the mounting plate (51); the insertion rod (53) is slidably connected to the mounting plate (51); and the insertion rod (53) is adapted to fit the slots (52).

5. The angle-controlled pipe bending machine for producing ceramic-steel composite pipes according to claim 4, characterized in that: The buffer mechanism (6) includes a buffer component and a connecting component. The buffer component includes a positioning frame (61) fixedly connected to the top surface of the mounting plate (51). A sliding rod (62) runs through the positioning frame (61). The positioning frame (61) is slidably connected to the sliding rod (62). The left end of the sliding rod (62) is fixedly connected to a baffle (63). A spring (64) is sleeved on the sliding rod (62). The left end of the spring (64) is fixedly connected to the right side surface of the baffle (63), and the right end of the spring (64) is fixedly connected to the left side surface of the positioning frame (61).

6. The angle-controlled pipe bending machine for producing ceramic-steel composite pipes according to claim 5, characterized in that: The connection assembly comprises two push rods (65) fixedly connected to the right side surface of the baffle (63), the right ends of the two push rods (65) extending into the interior of the positioning frame (61), and the right ends of the two push rods (65) and the inner wall of the positioning frame (61) are respectively fixedly connected with electrode sheets (66).

7. The angle-controlled pipe bending machine for producing ceramic-steel composite pipes according to claim 6, characterized in that: The clamping mechanism (7) comprises a clamping frame (71) fixedly connected to the top surface of the fixed frame (1), the left surface and the right surface of the clamping frame (71) are both threadedly mounted with second threaded rods (72), the ends of the two second threaded rods (72) close to each other extend into the interior of the clamping frame (71), the ends of the two second threaded rods (72) close to each other are both rotatably connected with clamping blocks (73), the top surface of the clamping frame (71) is provided with a groove (74), and the clamping block (73) is slidably connected to the inner wall of the groove (74).

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