A pipe bending machine

Abstract

The present invention relates to a pipe bending machine, comprising a frame, the upper end of the frame having a working surface, the working surface being sequentially provided with an end bending member, a pipe folding member, a pipe clamping member and a pipe shaping member, the pipe can be placed on the working surface, and the pipe body of the pipe passes through a channel formed by the end bending member, the pipe folding member, the pipe clamping member and the pipe shaping member, the pipe clamping member can clamp and fix the pipe on the working surface, the end bending member and the pipe folding member bend and deform the front end of the pipe, and the pipe clamping member and the pipe shaping member bend and shape the rear end of the pipe. The present application has a reasonable structure and can accurately and quickly process the pipe as a whole.

Description

Technical Field

[0001] The invention relates to a pipe processing device, in particular to a condenser pipe bending processing device. Background Art

[0002] Air conditioners, refrigerators and other refrigeration appliances have entered thousands of households with the development of society and have become an indispensable part of people's production and life;

[0003] As an indispensable and important component in air conditioners and refrigerators, the condenser plays a vital role in the normal operation of devices such as air conditioners and refrigerators. The condenser is fixed inside the device during installation, that is, it is bent by itself to fit the structural contour inside the device to achieve installation and normal use. With the continuous advancement of the product design industry, air conditioners and refrigerators of different styles and models require condensers of different types to cooperate with. If the copper tube is bent manually, it is obvious that quality control is difficult to guarantee, and the work efficiency is not high. If equipment processing is used, such as the bending device disclosed in Chinese patent CN202121780039.1, a bending device for a condenser, the device cannot perform multiple bending operations on a copper tube at the same time. Furthermore, during processing, the copper tube itself is also very prone to jumping or displacement, and the bending effect is poor. The tube after processing does not meet the use requirements. Summary of the invention

[0004] In order to solve the above technical problems, the purpose of the present invention is to provide a special pipe bending machine, including a frame, the upper end of the frame has a working surface, and the working surface is sequentially arranged with end bending members, pipe folding members, pipe clamping members and pipe shaping members. The pipe can be placed on the working surface, and the pipe body of the pipe passes through the channel formed by the end bending members, pipe folding members, pipe clamping members and pipe shaping members. The pipe clamping members can clamp and fix the pipe on the working surface, the end bending members and pipe folding members bend and deform the front end of the pipe, and the pipe clamping members and pipe shaping members bend and shape the rear end of the pipe.

[0005] Preferably, the end bending member and the tube shaping member are respectively arranged at the two ends of the working surface, the tube pressing member and the tube clamping member are arranged between the end bending member and the tube shaping member, and the tube pressing member cooperates with the end bending member, and the tube clamping member cooperates with the tube shaping member. The working surface includes a fixed working surface and a sliding working surface. The fixed working surface is fixedly arranged at the upper end of the frame, and the sliding working surface is slidably arranged at the upper end of the frame. The tube pressing member and the end bending member are arranged on the sliding working surface, and the tube clamping member and the tube shaping member are arranged on the fixed working surface.

[0006] Preferably, the end bending component includes a cylinder 1, which is fixedly arranged on the lower end plate surface of the sliding working surface through a cylinder mounting plate 1, and the driving end of the cylinder 1 is drivingly connected to the supporting L-shaped plate, and the sliding working surface is provided with a matching notch for the upper end of the supporting L-shaped plate to be exposed, and a reduction motor is provided on the side plate surface of the supporting L-shaped plate facing the cylinder 1, and the driving end of the reduction motor passes through the supporting L-shaped plate and is fixedly connected to the connecting sleeve, and the upper end of the connecting sleeve is provided with a limit block, and the lower end of the end bending operating plate is provided with a limit hole matched with the limit block, and the connecting sleeve is fixedly connected to the end bending operating plate through the cooperation between the limit hole and the limit block. That is, the driving end of the reduction motor drives the connecting sleeve and the end bending operating plate to rotate, the bending wheel one is rotatably set on the end bending operating plate through the connecting shaft, the side end of the end bending operating plate is fixedly provided with a cylinder two, the driving end of the cylinder two is fixedly connected with a bending pressure block, the end bending component also includes a cylinder three mounting plate, the cylinder three is installed on the side of the pipe pressing component through the cylinder three mounting plate and is located above the end bending operating plate, the driving end of the cylinder three is transmission connected with the bending wheel two, the bending wheel two and the bending wheel one cooperate up and down to form a bending wheel component that cooperates with the pipe, and the bending pressure block cooperates with the bending wheel component.

[0007] Preferably, the pipe folding component includes a bottom plate, two side plates and an installation matching plate, the pipe folding component is fixedly arranged on the sliding working surface through the bottom plate, the pipe clamping component is located at the side of the pipe folding component, the lower ends of the two side plates are respectively fixedly arranged at the two ends of the bottom plate, and an installation matching plate is fixedly arranged between the upper ends of the two side plates, cylinder four and cylinder five are respectively fixedly arranged on the installation matching plate, and the driving ends of cylinder four and cylinder five are respectively passed through the installation matching plate and fixedly connected with cylinder four matching plate and cylinder five matching plate, lower pressure block one and lower pressure block two are respectively fixedly arranged on cylinder four matching plate and cylinder five matching plate, a pressure block is fixedly arranged on the plate surface of the bottom plate, the lower pressure block one and the lower pressure block two cooperate with the pressure block, that is, the lower end faces of the lower pressure block one and the lower pressure block two match the structure and size of the upper end faces of the pressure block, and a plurality of guide columns one penetrating into the lower pressure block one and the lower pressure block two are fixedly arranged on the pressure block.

[0008] Preferably, a movable rod is installed on the body of the cylinder five matching plate, and the lower end of the movable rod is fixedly connected to the pre-pressure block. A compression spring is installed on the rod body of the movable rod, and the compression spring is located between the cylinder five matching plate and the pre-pressure block. The body of the lower pressure block two is provided with a cavity for the pre-pressure block to pass through, so that the lower end of the pre-pressure block is exposed from the cavity.

[0009] Preferably, the pipe clamping member is fixedly arranged on the fixed working surface, the pipe clamping member includes a cylinder six arranged on the fixed working surface, the driving end of the cylinder six is ​​connected to the clamping block one, the pipe clamping member also includes a clamping block two and a contact bending wheel one that cooperate with the clamping block one, a contact bending wheel mounting column one is fixedly arranged on the fixed working surface, the contact bending wheel one is rotatably arranged on the upper end of the contact bending wheel mounting column one through a bearing, an arc-shaped notch one is opened on the side of the clamping block two, the front end face of the contact bending wheel one is flush with the front end face of the clamping block two, and the pipe clamping member cooperates with the pipe shaping member through the contact bending wheel one.

[0010] Preferably, the pipe shaping component is arranged on a fixed working surface, and the pipe shaping component includes a cylinder seven, a pad one and a pad two, a slide rail is fixedly arranged on the fixed working surface, the pad one is slidably arranged on the fixed working surface through the cooperation of the slider and the slide rail, the driving end of the cylinder seven is connected to the pad one, the contact bending wheel mounting column two is fixedly arranged on the pad one, the contact bending wheel two is rotatably arranged on the upper end of the contact bending wheel mounting column two through a bearing, and the contact bending wheel two cooperates with the contact bending wheel one, the pad one is located on the side of the contact bending wheel two and has a shaping block one, the pad two has a shaping block two that cooperates with the shaping block one, the shaping block one is fitted with the end face of the shaping block two, and the pipe is shaped, and the pad two is located on the side of the shaping block two and has a contact bending Bending wheel mounting column three, contact bending wheel three is rotatably arranged at the upper end of contact bending wheel mounting column three through bearings, and contact bending wheel three cooperates with contact bending wheel two, the body of shaping block two is fixedly provided with at least two guide columns two, the body of shaping block one is provided with at least two guide holes for guide columns two to pass through, the pipe shaping component also includes cylinder eight, cylinder eight is fixedly arranged on the fixed working surface and is located on the side of cylinder seven, the driving end of cylinder eight is fixedly connected with an anti-jump block, the front end of the body of the anti-jump block facing the shaping block two side is provided with an anti-jump groove that cooperates with the pipe, the lower end of the anti-jump block has a sliding block, the fixed working surface is located below the sliding block and has a guide through hole that cooperates with the sliding block, the upper end of the anti-jump block is located at the notch of the anti-jump groove and has a transition arc section.

[0011] Preferably, a slide rail is fixedly provided on the upper end of the frame, and the sliding working surface is slidably provided on the frame through the cooperation of the slider and the slide rail, and the lower end surface of the fixed working surface is fixedly provided with cylinder nine through a cylinder mounting block, and the lower end surface of the sliding working surface is fixedly provided with a push-pull block, and the driving end of cylinder nine is fixedly connected to the push-pull block.

[0012] Preferably, the end bending member is located on the supporting L-shaped plate and is further provided with an L-shaped supporting block, and the upper end of the L-shaped supporting block has a limiting groove that matches the pipe.

[0013] Preferably, the end faces of the bending wheel component, bending pressure block, lower pressure block 1, lower pressure block 2, pressure block, pre-pressure block, clamping block 1, clamping block 2, contact bending wheel 1, contact bending wheel 2, shaping block 1, shaping block 2, and contact bending wheel 3 that are in contact with the pipe are all provided with limiting grooves that match the outer contour of the pipe.

[0014] By means of the above scheme, the present invention has at least the following advantages:

[0015] Compared with the previous technology, this application can directly process a copper tube as a whole and form it in one step. After the loading is completed, workers do not need to make adjustments, and the purpose of independent processing is fully achieved, which is specifically reflected in:

[0016] 1. The end bending components, tube folding components, tube clamping components, and tube shaping components of the technical solution of the present application can be arranged in a straight line on the frame to form a channel for the copper tube to pass directly through. Then, a copper tube is bent back and forth as a whole through the above four components to achieve one-time processing and forming. No manual operation is required, which improves work efficiency while ensuring processing accuracy and greatly reduces the defect rate of products.

[0017] Second, the pipe clamping member can be used to clamp and fix the pipe on the working surface of the frame, ensuring that the copper pipe itself will not move during processing, ensuring the accuracy of the bending processing and improving the yield rate.

[0018] 3. The end of the pipe can be bent by using the end bending component to realize the first bending process. When the end bending component has completed its work, it can achieve the second bending process of the pipe by the avoidance action and cooperate with the pipe pressing component. It not only achieves the working purpose, but also can realize the two processes of the pipe end in sequence and without hindrance.

[0019] Fourth, the pipe shaping component can be used to bend the middle and rear part of the pipe while also shaping the pipe to avoid excessive deformation of the pipe after bending. After the processing is completed, no additional manual adjustments are required, truly achieving one-time molding, improving the product's newness rate, and saving the company's labor costs and manufacturing time.

[0020] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show a certain embodiment of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a three-dimensional structural schematic diagram of a pipe bending machine of the present invention;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of a pipe bending machine of the present invention;

[0024] Figure 3 It is a three-dimensional structural schematic diagram of an end bending component 2 of a pipe bending machine of the present invention;

[0025] Figure 4 It is a three-dimensional structural schematic diagram of an end bending component 2 of a pipe bending machine of the present invention;

[0026] Figure 5 It is a three-dimensional structural schematic diagram of an end bending component 2 of a pipe bending machine of the present invention;

[0027] Figure 6 It is a three-dimensional structural schematic diagram of an end bending component 2 of a pipe bending machine of the present invention;

[0028] Figure 7 It is a three-dimensional structural schematic diagram of a pipe bending component 3 of a pipe bending machine of the present invention;

[0029] Figure 8 It is a three-dimensional structural schematic diagram of a pipe bending component 3 of a pipe bending machine of the present invention;

[0030] Fig. 9 It is a three-dimensional structural schematic diagram of a pipe clamping member 4 of a pipe bending machine of the present invention;

[0031] Fig.10 It is a schematic diagram of the structural relationship between a pipe clamping component 4 and a pipe shaping component 5 of a pipe bending machine of the present invention;

[0032] Fig.11 It is a three-dimensional structural schematic diagram of a pipe shaping component 5 of a pipe bending machine of the present invention;

[0033] Fig.12 It is a three-dimensional structural schematic diagram of an anti-jump groove 55 of a pipe bending machine of the present invention;

[0034] Fig.13 It is a schematic diagram of the structural relationship between a fixed working surface 6 and a sliding working surface 7 of a pipe bending machine of the present invention.

[0035] In the figure: frame 1, end bending member 2, pipe folding member 3, pipe clamping member 4, pipe shaping member 5, fixed working surface 6, sliding working surface 7, cylinder 1 8, cylinder mounting plate 1 9, support L-shaped plate 10, matching notch 11, reduction motor 12, connecting sleeve 13, limit block 14, end bending operation plate 15, bending wheel 1 16, cylinder 2 17, bending pressure block 18, cylinder 3 mounting plate 19, cylinder 3 20, bending wheel 2 21, bottom plate 22, side plate 23, installation matching plate 24, cylinder 4 25, cylinder 5 26, cylinder 4 matching plate 27, cylinder 5 matching plate 28, lower pressure block 1 29, lower pressure block 2 30, pressure block 31, guide column 1 32, movable rod 33, pre-pressure block 34. Compression spring 35. Cylinder six 36. Pressing block one 37. Pressing block two 38. Contact bending wheel one 39. Contact bending wheel mounting column one 40. Arc notch one 41. Cylinder seven 42. Pad one 43. Pad two 44. Contact bending wheel mounting column two 45. Contact bending wheel two 46. Shaping block one 47. Shaping block two 48. Contact bending wheel mounting column three 49. Contact bending wheel three 50. Guide column two 51. Guide hole 52. Cylinder eight 53. Anti-jump block 54. Anti-jump groove 55. Sliding block 56. Guide through hole 57. Transition arc segment 58. Cylinder mounting block 59. Cylinder nine 60. Push-pull block 61. L-shaped supporting block 62. Limiting groove 63. Cylinder ten 64. Pad three 65. Pad four 66. DETAILED DESCRIPTION

[0036] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention. Example

[0037] See also Figure 1 to Figure 13 A pipe bending machine according to a preferred embodiment of the present invention comprises a frame 1, the upper end of the frame 1 has a working surface, and the working surface is sequentially provided with an end bending member 2, a pipe folding member 3, a pipe clamping member 4 and a pipe shaping member 5, the pipe can be placed on the working surface, and the pipe body of the pipe passes through the channel formed by the end bending member 2, the pipe folding member 3, the pipe clamping member 4 and the pipe shaping member 5, the pipe clamping member 4 can clamp and fix the pipe on the working surface, the end bending member 2 and the pipe folding member 3 bend and deform the front end of the pipe, and the pipe clamping member 4 and the pipe shaping member 5 bend and shape the rear end of the pipe. The pipe can be placed on the frame 1, and the bending process of the whole pipe is realized by the end bending member 2, the pipe folding member 3 and the pipe shaping member 5, so that the pipe can be formed in one processing, and no manual adjustment is required at a later stage.

[0038] Preferably, the end bending member 2 and the tube shaping member 5 are respectively arranged at the two ends of the working surface, the tube pressing member 3 and the tube clamping member 4 are arranged between the end bending member 2 and the tube shaping member 5, and the tube pressing member 3 cooperates with the end bending member 2, and the tube clamping member 4 cooperates with the tube shaping member 5. The working surface includes a fixed working surface 6 and a sliding working surface 7. The fixed working surface 6 is fixedly arranged at the upper end of the frame 1, and the sliding working surface 7 is slidably arranged at the upper end of the frame 1. The tube pressing member 3 and the end bending member 2 are arranged on the sliding working surface 7, and the tube clamping member 4 and the tube shaping member 5 are arranged on the fixed working surface 6. The end bending member 2, the tube folding member 3, the tube clamping member 4 and the tube shaping member 5 are arranged in a straight line. Such a structure does not require any preset values ​​in the early stage of bending the tube. It can be directly placed in the channel formed by the end bending member 2, the tube folding member 3, the tube clamping member 4 and the tube shaping member 5 for bending processing.

[0039] Preferably, the end bending member 2 includes a cylinder 8, which is fixedly arranged on the lower end plate surface of the sliding working surface 7 through a cylinder mounting plate 9, and the driving end of the cylinder 8 is transmission-connected with the supporting L-shaped plate 10, and the sliding working surface 7 is provided with a matching notch 11 for the upper end of the supporting L-shaped plate 10 to be exposed, and the supporting L-shaped plate 10 is provided with a reduction motor 12 on one side of the plate surface facing the cylinder 8, and the driving end of the reduction motor 12 passes through the supporting L-shaped plate 10 and is fixedly connected with the connecting sleeve 13, and the upper end of the connecting sleeve 13 has a limit block 14, and the lower end of the end bending operation plate 15 has a limit hole matched with the limit block 14, and the connecting sleeve 13 is fixedly connected with the end bending operation plate 15 through the cooperation between the limit hole and the limit block 14, That is, the driving end of the reduction motor 12 drives the connecting sleeve 13 and the end bending operating plate 15 to rotate, and the bending wheel 16 is rotatably set on the end bending operating plate 15 through the connecting shaft. The side end of the end bending operating plate 15 is fixedly provided with a cylinder 2 17, and the driving end of the cylinder 2 17 is fixedly connected with a bending pressure block 18. The end bending component 2 also includes a cylinder 3 mounting plate 19. The cylinder 3 20 is installed on the side of the pipe pressing component 3 through the cylinder 3 mounting plate 19 and is located above the end bending operating plate 15. The driving end of the cylinder 3 20 is transmission-connected with the bending wheel 2 21. The bending wheel 21 and the bending wheel 1 16 cooperate with each other up and down to form a bending wheel component that cooperates with the pipe, and the bending pressure block 18 cooperates with the bending wheel component.

[0040] When in use, the end bending member 2 can not only bend the front end of the pipe itself, but also cooperate with the pipe crimping member 3 to allow the pipe crimping member 3 to operate normally and crimp the pipe, which is specifically embodied as follows:

[0041] Cylinder 1 8 and cylinder 3 20 are in motion, so that the bending wheel 16 and the bending wheel 2 21 move toward each other until they are in contact with each other to form a bending wheel component. At this time, cylinder 2 17 is started, driving the bending pressure block 18 to press the pipe against the limit groove of the bending wheel component. The reduction motor 12 is started, and the end bending operation plate 15 is driven to rotate through the connecting sleeve 13. The end of the pipe is bent through the cooperation of the bending pressure block 18 and the bending wheel component. After the bending process is completed, cylinder 1 8, cylinder 2 17, cylinder 3 20 and the reduction motor 12 are reset to realize the separation of the end bending component 2 from the end of the pipe, without affecting the operation of the pipe pressing component 3 on the pipe.

[0042] Preferably, the pipe folding member 3 includes a bottom plate 22, two side plates 23 and a mounting plate 24. The pipe folding member 3 is fixedly arranged on the sliding working surface 7 through the bottom plate 22. The pipe clamping member 4 is located on the side of the pipe folding member 3. The lower ends of the two side plates 23 are respectively fixedly arranged at the two ends of the bottom plate 22, and the mounting plate 24 is fixedly arranged between the upper ends of the two side plates 23. The cylinder 4 25 and the cylinder 5 26 are respectively fixedly arranged on the mounting plate 24, and the driving ends of the cylinder 4 25 and the cylinder 5 26 respectively pass through the mounting plate 24 is fixedly connected with the matching plate 27 of cylinder four and the matching plate 28 of cylinder five, the lower pressure block 1 29 and the lower pressure block 2 30 are respectively fixedly arranged on the matching plate 27 of cylinder four and the matching plate 28 of cylinder five, the plate surface of the bottom plate 22 is fixedly provided with a pressure block 31, the lower pressure block 1 29 and the lower pressure block 2 30 are matched with the pressure block 31, that is, the lower end faces of the lower pressure block 1 29 and the lower pressure block 2 30 match the structure and size of the upper end face of the pressure block 31, and a plurality of guide columns 1 32 penetrating into the lower pressure block 1 29 and the lower pressure block 2 30 are fixedly arranged on the pressure block 31.

[0043] When the end bending member 2 is separated from the end of the pipe, the pipe pressing member 3 can perform the next step of the pipe process, which is:

[0044] Cylinder four 25 and cylinder five 26 are started, driving the lower pressing block one 29 and the lower pressing block two 30 to move toward the pressure block 31 until the pipe is folded and the end face contours of the lower pressing block one 29, the lower pressing block two 30 and the pressure block 31 are fitted to realize the folding process. The end faces of the lower pressing block one 29, the lower pressing block two 30 and the pressure block 31 are all provided with limit grooves to ensure the effect of the pipe pressing and forming.

[0045] Preferably, the block of the fifth cylinder matching plate 28 is provided with a movable rod 33, the lower end of the movable rod 33 is fixedly connected to the pre-pressing block 34, the rod of the movable rod 33 is provided with a compression spring 35, and the compression spring 35 is located between the fifth cylinder matching plate 28 and the pre-pressing block 34, and the block of the second lower pressing block 30 is provided with a cavity for the pre-pressing block 34 to pass through, and the lower end of the pre-pressing block 34 is exposed in the cavity. The pre-pressing block 34 can contact the pipe and the pressure-bearing block 31 before the second lower pressing block 30, and the end face of the pre-pressing block 34 also has a limiting groove, and the pipe can be pre-pressed and fixed on the pressure-bearing block 31 through the pre-pressing block 34, so as to achieve the initial fixation of the pipe and ensure the pressing effect of the first lower pressing block 29 and the second lower pressing block 30.

[0046] Preferably, the pipe clamping member 4 is fixedly arranged on the fixed working surface 6, and the pipe clamping member 4 includes a cylinder six 36 arranged on the fixed working surface 6, and the driving end of the cylinder six 36 is connected to the clamping block one 37. The pipe clamping member 4 also includes a clamping block two 38 and a contact bending wheel one 39 that cooperate with the clamping block one 37. The contact bending wheel mounting column one 40 is fixedly arranged on the fixed working surface 6, and the contact bending wheel one 39 is rotatably arranged on the upper end of the contact bending wheel mounting column one 40 through a bearing. The side of the clamping block two 38 is provided with an arc-shaped notch one 41 that cooperates with the contact bending wheel one 39. The front end face of the contact bending wheel one 39 is flush with the front end face of the clamping block two 38. The pipe clamping member 4 cooperates with the pipe shaping member 5 through the contact bending wheel one 39.

[0047] When the pipe is placed on the frame 1, the pipe clamping component 4 is the first to be activated. By pushing the clamping block 1 37 forward through the cylinder 6 36, the pipe can be squeezed and fixed between the clamping block 1 37 and the clamping block 2 38, ensuring the pre-fixation of the entire pipe. In this way, the two ends of the pipe will not move during processing, ensuring the processing accuracy, and the limiting grooves on the end faces of the clamping block 1 37 and the clamping block 2 38 can better fix the pipe and ensure the accurate positioning of the pipe.

[0048] Preferably, the pipe shaping member 5 is arranged on the fixed working surface 6, and the pipe shaping member 5 includes a cylinder 7 42, a pad 1 43 and a pad 2 44. A slide rail is fixedly arranged on the fixed working surface 6. The pad 1 43 is slidably arranged on the fixed working surface 6 through the cooperation of the slider and the slide rail. The driving end of the cylinder 7 42 is connected to the pad 1 43. The contact bending wheel mounting column 2 45 is fixedly arranged on the pad 1 43. The contact bending wheel 2 46 rotates through the bearing. The contact bending wheel mounting column 45 is dynamically arranged at the upper end thereof, and the contact bending wheel 46 cooperates with the contact bending wheel 39, the pad 43 is located on the side of the contact bending wheel 46 and has a shaping block 47, the pad 44 has a shaping block 48 that cooperates with the shaping block 47, the shaping block 47 fits with the end face of the shaping block 48, and the pipe is shaped, and the pad 44 is located on the side of the shaping block 48 and is fixedly provided with a contact bending wheel mounting column 45. The contact bending wheel 3 50 is rotatably arranged on the upper end of the contact bending wheel mounting column 3 49 through a bearing, and the contact bending wheel 3 50 cooperates with the contact bending wheel 2 46. The body of the shaping block 2 48 is fixedly provided with at least two guide columns 2 51, and the body of the shaping block 1 47 is provided with at least two guide holes 52 for the guide columns 2 51 to pass through. The pipe shaping component 5 also includes a cylinder 8 53, and the cylinder 8 53 is fixedly arranged on the fixed working surface 6 On and located on the side of cylinder seven 42, the driving end of cylinder eight 53 is fixedly connected with an anti-jump block 54, and the front end of the anti-jump block 54 facing the shaping block two 48 is provided with an anti-jump groove 55 that matches the pipe, and the lower end of the anti-jump block 54 has a sliding block 56, and the fixed working surface 6 is located below the sliding block 56 and has a guide through hole 57 that matches the sliding block 56, and the upper end of the anti-jump block 54 is located at the notch of the anti-jump groove 55 and has a transition arc segment 58.

[0049] The pipe shaping member 5 can shape the bending part of the pipe and can also use the contact bending wheel 1 39, the contact bending wheel 2 46 and the contact bending wheel 3 50 to perform a large arc bending process on the middle pipe body of the pipe. The cylinder 7 42 pushes the pad 1 43 to move toward the pad 2 44. At this time, the contact bending wheel 2 46 can contact the pipe and squeeze the pipe to the contact bending wheel 1 39 to achieve a large arc bending. The contact bending wheel 3 50 can limit the contact bending wheel 2 46 to ensure the bending accuracy of the bent pipe body.

[0050] During the bending process of the pipe, the end faces of the shaping block 1 47 and the shaping block 2 48 fit together, and can shape the rear end of the pipe near the bending part to ensure the flatness of the pipe itself, without the need for manual post-shaping. Similarly, the end faces of the contact bending wheel 1 39, the contact bending wheel 2 46, the shaping block 1 47, the shaping block 2 48 and the contact bending wheel 3 50 are all provided with limit grooves that match the pipe to ensure the fit of the pipe.

[0051] The anti-jump block 54 can also prevent the rear end of the pipe from jumping during the processing, which would then affect the bending process. The rear end of the pipe can extend into the anti-jump groove 55 of the anti-jump block 54 to achieve upper and lower limit stops, and the transition arc segment 58 can facilitate the pipe to enter the anti-jump groove 55.

[0052] Preferably, a slide rail is fixedly provided on the upper end of the frame 1, and the sliding working surface 7 is slidably provided on the frame 1 through the cooperation of the slider and the slide rail, and the lower end surface of the fixed working surface 6 is fixedly provided with a cylinder nine 60 through a cylinder mounting block 59, and the lower end surface of the sliding working surface 7 is fixedly provided with a push-pull block 61, and the driving end of the cylinder nine 60 is fixedly connected to the push-pull block 61.

[0053] The distance between the fixed working surface 6 and the sliding working surface 7 can be adjusted by cylinder 960, and then the distance between the end bending component 2, the pipe pressing component 3 and the pipe clamping component 4, and the pipe shaping component 5. Such a structure can be more convenient for processing and manufacturing pipes of different models and sizes, saving enterprise costs.

[0054] Preferably, the end bending member 2 is located on the supporting L-shaped plate 10 and is further provided with an L-shaped support block 62, and the upper end of the L-shaped support block 62 has a limiting groove 63 that matches the pipe. The L-shaped support block 62 can help the end bending member 2 support the end of the pipe, so that the end bending member 2 can realize the bending action.

[0055] Preferably, the end faces of the bending wheel component, bending pressure block 18, lower pressure block 29, lower pressure block 2 30, pressure block 31, pre-pressure block 34, clamping block 1 37, clamping block 2 38, contact bending wheel 1 39, contact bending wheel 2 46, shaping block 1 47, shaping block 2 48 and contact bending wheel 3 50 that are in contact with the pipe are all provided with limiting grooves that match the outer contour of the pipe.

[0056] The technical solution of the present invention can perform bending processing on the front and back of the pipe at the same time, further saving processing time and saving enterprise costs. A flat plate flush with the lower edge of the anti-jump groove 55 can be fixedly set on the side of the anti-jump block 54 of the frame 1 to facilitate the fixed placement of the rear end of the pipe.

[0057] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principles of the present invention, and these improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A pipe bending machine, comprising a frame (1), wherein the upper end of the frame (1) has a working surface, and an end bending component (2), a pipe pressing component (3), a pipe clamping component (4) and a pipe shaping component (5) are sequentially arranged on the working surface. Features: The pipe can be placed on a working surface, and the pipe body of the pipe passes through a channel formed by an end bending component (2), a pipe pressing component (3), a pipe clamping component (4) and a pipe shaping component (5); the pipe clamping component (4) can clamp and fix the pipe on the working surface, the end bending component (2) and the pipe pressing component (3) bend and deform the front end of the pipe, and the pipe clamping component (4) and the pipe shaping component (5) bend and shape the rear end of the pipe; The pipe clamping member (4) is fixedly arranged on the fixed working surface (6), the pipe clamping member (4) comprises a cylinder six (36) arranged on the fixed working surface (6), the driving end of the cylinder six (36) is connected to the clamping block one (37), the pipe clamping member (4) further comprises a clamping block two (38) and a contact bending wheel one (39) matched with the clamping block one (37), a contact bending wheel mounting column one (40) is fixedly arranged on the fixed working surface (6), the contact bending wheel one (39) is rotatably arranged on the upper end of the contact bending wheel mounting column one (40) through a bearing, an arc-shaped notch one (41) matched with the contact bending wheel one (39) is formed on the side of the clamping block two (38), the front end surface of the contact bending wheel one (39) is flush with the front end surface of the clamping block two (38), and the pipe clamping member (4) is matched with the pipe shaping member (5) through the contact bending wheel one (39); The pipe shaping component (5) is arranged on the fixed working surface (6), and the pipe shaping component (5) includes a cylinder seven (42), a pad one (43) and a pad two (44). A slide rail is fixedly arranged on the fixed working surface (6), and the pad one (43) is slidably arranged on the fixed working surface (6) through the cooperation of a slider and the slide rail. The driving end of the cylinder seven (42) is connected to the pad one (43), the contact bending wheel mounting column two (45) is fixedly arranged on the pad one (43), and the contact bending wheel two (46) is rotatably arranged through a bearing. At the upper end of the contact bending wheel mounting column 2 (45), the contact bending wheel 2 (46) is matched with the contact bending wheel 1 (39), the pad 1 (43) is located on the side of the contact bending wheel 2 (46) and has a shaping block 1 (47), the pad 2 (44) has a shaping block 2 (48) matched with the shaping block 1 (47), the shaping block 1 (47) and the end surface of the shaping block 2 (48) are fitted together to shape the pipe, and the pad 2 (44) is located on the side of the shaping block 2 (48) and is fixedly provided with a contact bending wheel mounting column 3 ( 49), the contact bending wheel three (50) is rotatably arranged on the upper end of the contact bending wheel mounting column three (49) through a bearing, and the contact bending wheel three (50) cooperates with the contact bending wheel two (46), the body of the shaping block two (48) is fixedly provided with at least two guide columns two (51), the body of the shaping block one (47) is provided with at least two guide holes (52) for the guide columns two (51) to pass through, and the pipe shaping component (5) also includes a cylinder eight (53), which is fixedly arranged on the fixed working surface (6) and is located An anti-jump block (54) is fixedly connected to the driving end of the cylinder eight (53) at the side of the cylinder seven (42). The front end of the anti-jump block (54) facing the shaping block two (48) is provided with an anti-jump groove (55) matching with the pipe. The lower end of the anti-jump block (54) is provided with a sliding block (56). The fixed working surface (6) is located below the sliding block (56) and is provided with a guide through hole (57) matching with the sliding block (56). The upper end of the anti-jump block (54) is located at the notch of the anti-jump groove (55) and is provided with a transition arc section (58).

2. A pipe bending machine according to claim 1, Features: The end bending member (2) and the pipe shaping member (5) are respectively arranged at the two ends of the working surface, the pipe pressing member (3) and the pipe clamping member (4) are arranged between the end bending member (2) and the pipe shaping member (5), and the pipe pressing member (3) cooperates with the end bending member (2), and the pipe clamping member (4) cooperates with the pipe shaping member (5). The working surface comprises a fixed working surface (6) and a sliding working surface (7), the fixed working surface (6) is fixedly arranged at the upper end of the frame (1), the sliding working surface (7) is slidably arranged at the upper end of the frame (1), the pipe pressing member (3) and the end bending member (2) are arranged on the sliding working surface (7), and the pipe clamping member (4) and the pipe shaping member (5) are arranged on the fixed working surface (6).

3. A pipe bending machine according to claim 2, Features: The end bending member (2) comprises a cylinder (8), which is fixedly mounted on the lower end plate surface of the sliding working surface (7) through a cylinder mounting plate (9), the driving end of the cylinder (8) is drivingly connected to the support L-shaped plate (10), the sliding working surface (7) is provided with a matching notch (11) for exposing the upper end of the support L-shaped plate (10), a reduction motor (12) is provided on the plate surface of the support L-shaped plate (10) facing the cylinder (8), the driving end of the reduction motor (12) passes through the support L-shaped plate (10) and is fixedly connected to the connecting sleeve (13), the upper end of the connecting sleeve (13) is provided with a limit block (14), the lower end of the end bending operation plate (15) is provided with a limit hole matched with the limit block (14), and the connecting sleeve (13) is fixedly connected to the end bending operation plate (15) through the matching of the limit hole and the limit block (14). That is, the driving end of the reduction motor (12) drives the connecting sleeve (13) and the end bending operation plate (15) to rotate, the bending wheel 1 (16) is rotatably arranged on the end bending operation plate (15) through the connecting shaft, the side end of the end bending operation plate (15) is fixedly provided with a cylinder 2 (17), the driving end of the cylinder 2 (17) is fixedly connected with a bending pressure block (18), the end bending component (2) also includes a cylinder 3 mounting plate (19), the cylinder 3 (20) is installed on the side of the pipe bending component (3) and is located above the end bending operation plate (15) through the cylinder 3 mounting plate (19), the driving end of the cylinder 3 (20) is transmission-connected with the bending wheel 2 (21), the bending wheel 2 (21) and the bending wheel 1 (16) cooperate with each other up and down to form a bending wheel component that cooperates with the pipe, and the bending pressure block (18) cooperates with the bending wheel component.

4. A pipe bending machine according to claim 3, Features: The pipe folding component (3) comprises a bottom plate (22), two side plates (23) and a mounting matching plate (24); the pipe folding component (3) is fixedly arranged on the sliding working surface (7) through the bottom plate (22); the pipe clamping component (4) is located on the side of the pipe folding component (3); the lower ends of the two side plates (23) are respectively fixedly arranged at the two ends of the bottom plate (22); and the mounting matching plate (24) is fixedly arranged between the upper ends of the two side plates (23); the cylinder four (25) and the cylinder five (26) are respectively fixedly arranged on the mounting matching plate (24); and the driving ends of the cylinder four (25) and the cylinder five (26) respectively pass through the mounting matching plate (24); ) is fixedly connected to the cylinder four matching plate (27) and the cylinder five matching plate (28), the lower pressure block one (29) and the lower pressure block two (30) are respectively fixedly arranged on the cylinder four matching plate (27) and the cylinder five matching plate (28), the plate surface of the bottom plate (22) is fixedly provided with a pressure block (31), the lower pressure block one (29) and the lower pressure block two (30) are matched with the pressure block (31), that is, the lower end surface of the lower pressure block one (29) and the lower pressure block two (30) are matched with the structure and size of the upper end surface of the pressure block (31), and a plurality of guide columns one (32) are fixedly arranged on the pressure block (31) and penetrate into the lower pressure block one (29) and the lower pressure block two (30).

5. A pipe bending machine according to claim 4, Features: A movable rod (33) is installed on the body of the cylinder fifth matching plate (28), and the lower end of the movable rod (33) is fixedly connected to the pre-pressing block (34). A compression spring (35) is installed on the rod body of the movable rod (33), and the compression spring (35) is located between the cylinder fifth matching plate (28) and the pre-pressing block (34). The body of the lower pressing block (30) is provided with a cavity for the pre-pressing block (34) to pass through, and the lower end of the pre-pressing block (34) is exposed from the cavity.

6. A pipe bending machine according to claim 2, Features: A slide rail is fixedly provided at the upper end of the frame (1); the sliding working surface (7) is slidably provided on the frame (1) through the cooperation of the slider and the slide rail; a cylinder nine (60) is fixedly provided on the lower end surface of the fixed working surface (6) through a cylinder mounting block (59); a push-pull block (61) is fixedly provided on the lower end surface of the sliding working surface (7); and a driving end of the cylinder nine (60) is fixedly connected to the push-pull block (61).

7. A pipe bending machine according to claim 3, Features: The end bending component (2) is located on the supporting L-shaped plate (10) and is further provided with an L-shaped supporting block (62), the upper end of the L-shaped supporting block (62) having a limiting groove (63) that matches the pipe.

8. A pipe bending machine according to any one of claims 1 to 6, Features: The end surfaces of the bending wheel component, the bending pressure block (18), the lower pressure block 1 (29), the lower pressure block 2 (30), the pressure block (31), the pre-pressure block (34), the clamping block 1 (37), the clamping block 2 (38), the contact bending wheel 1 (39), the contact bending wheel 2 (46), the shaping block 1 (47), the shaping block 2 (48), and the contact bending wheel 3 (50) that are in contact with the pipe are all provided with limit grooves that match the outer contour of the pipe.

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