A pipe bending machine for automobile urea pipe processing and a processing method thereof
By using the spindle, bearing plate, bending shaft, clamping device and positioning device in the pipe bending machine, the problem of insufficient bending accuracy of automobile urea pipes in the prior art is solved, and high accuracy and convenient operation are achieved pipe bending machine design.
Patent Information
- Application Number
- CN202111075700.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-09-14
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2041-09-14
AI Technical Summary
The existing hydraulic or electrical rotary bending machines have accuracy errors when bending automobile urea pipes, which reduces the accuracy of processing.
The bending machine design adopts a pipe bending machine including a spindle, a load bearing plate, a bending shaft, a clamping device and a positioning device. The bending angle of the pipe is defined by the combination of the first slide rail, a first cylinder and a ball, and the positioning device and The cooperation of the cylinders achieves accurate position limiting and convenient removal of the pipeline.
It improves the accuracy and operational convenience of automotive urea pipe bending, ensuring high accuracy and convenient operation of the processing process.
Smart Images

Figure CN113798360B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of pipe bending machines, and in particular to a pipe bending machine for processing automobile urea pipes and a processing method thereof. Background Art
[0002] A bending machine is a machine that can bend products. Its structure mainly includes a bracket, a workbench and a clamping plate. The workbench is placed on the bracket. The workbench is composed of a base and a pressure plate. The base is connected to the clamping plate by a hinge. The base is composed of a seat shell, a coil and a cover plate. The coil is placed in the depression of the seat shell, and the top of the depression is covered with a cover plate. Bending machines are divided into manual bending machines, hydraulic bending machines and CNC bending machines.
[0003] When automobile urea pipes are produced, they need to be bent into a certain shape using a bending machine. However, existing bending machines use hydraulic or electrical rotation bending. When bending the pipes, there will be certain errors in the electrical working movement, thereby reducing the accuracy of the bending. Summary of the invention
[0004] The object of the present invention is to provide a pipe bending machine and a processing method for automobile urea pipe processing, so as to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pipe bending machine for automobile urea pipe processing and a processing method thereof, comprising a cabinet, a main shaft is rotatably inserted and sleeved on one side of the top of the cabinet, a bearing plate is fixedly connected to the top of the main shaft, a bending shaft is fixedly connected to one side of the top of the bearing plate, a baffle is fixedly connected to one side of the top of the cabinet, a clamping device is installed on the top of the bearing plate, a limiting device is installed on the other side of the top of the bearing plate, a first slide rail is fixedly connected to the top of the cabinet, and a positioning device is provided between the first slide rail and the bearing plate;
[0006] The positioning device includes a first cylinder, the outer wall of the first cylinder is fixedly inserted and sleeved with the supporting plate, the output end of the first cylinder is transmission-connected with a connecting piece, the inner cavity of the connecting piece is rotatably embedded with a ball, and the top of the first slide rail is provided with a plurality of positioning holes in a circular array.
[0007] Preferably, a first sliding block is fixedly connected to one side of the bottom of the supporting plate, and the first sliding block is slidably sleeved on the outer wall of the first sliding rail.
[0008] Preferably, the limiting device comprises a second mounting plate, the bottom of the second mounting plate is fixedly connected to the bearing plate, a third cylinder is fixedly connected to one side of the second mounting plate, and the output end of the third cylinder is transmission-connected to the limiting block.
[0009] Preferably, the clamping device comprises a first mounting plate, the first mounting plate is movably mounted on the top of the bearing plate, the top of the first mounting plate is fixedly connected to a connecting frame, and the interior of the connecting frame is slidably connected to a positioning plate.
[0010] Preferably, a first fixing plate is connected to one side of the first mounting plate, a second cylinder is fixedly connected to one side of the first fixing plate, and an output end of the second cylinder is drivingly connected to the positioning plate.
[0011] Preferably, two second slide rails are fixedly connected to the top of the carrier plate, and second sliders are symmetrically fixedly connected to both sides of the bottom of the first mounting plate, and the second sliders are slidably engaged with the outer walls of the second slide rails.
[0012] Preferably, the front side of the supporting plate is fixedly connected to a second fixing plate, the back side of the second fixing plate is fixedly connected to a fourth cylinder, the output end of the fourth cylinder is transmission-connected to a third fixing plate, and the third fixing plate is fixedly connected to the front side of the first mounting plate.
[0013] Preferably, a pipe bending machine processing method for automobile urea pipe processing comprises the following steps:
[0014] Step 1: By using the first slide rail, the first cylinder and the ball bearing, when the main shaft and the bending shaft are bending the pipe product, the first cylinder can drive the ball bearing to descend, so that the ball bearing slides and engages with the positioning hole at the corresponding position on the first slide rail, thereby limiting the bending angle of the pipe;
[0015] Step 2: By using the positioning device, the positioning device can limit the position of the pipeline, and the fourth cylinder can drive the first fixed plate to move on the supporting plate, so that the positioning plate is separated from the bent pipeline, thereby facilitating the removal of the processed pipeline.
[0016] Technical effects and advantages of the present invention:
[0017] The present invention utilizes the coordinated use of the first slide rail, the first cylinder and the ball bearing. When the main shaft and the bending shaft perform bending processing on the pipe product, the first cylinder can drive the ball bearing to descend, so that the ball bearing slides and engages with the positioning hole at the corresponding position on the first slide rail, thereby limiting the bending angle of the pipe and improving the processing accuracy.
[0018] The present invention utilizes the setting method of the positioning device, the positioning device can limit the position of the pipeline, and the fourth cylinder can drive the first fixed plate to move on the supporting plate, so that the positioning plate is separated from the bent pipeline, thereby facilitating the removal of the processed pipeline, thereby improving its operational convenience. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a schematic diagram of the front structure of the present invention.
[0020] Figure 2 It is a schematic diagram of the overall structure of the clamping device of the present invention.
[0021] Figure 3 It is a schematic diagram of the top structure of the first track of the present invention.
[0022] In the figure: 1. cabinet; 2. main shaft; 3. bearing plate; 4. bending axis; 5. baffle; 6. clamping device; 61. first mounting plate; 62. first fixed plate; 63. second cylinder; 64. positioning plate; 65. connecting frame; 66. second slider; 67. second slide rail; 68. second fixed plate; 69. fourth cylinder; 610. third fixed plate; 7. limiting device; 71. second mounting plate; 72. third cylinder; 73. limiting block; 81. first slider; 82. first slide rail; 83. positioning hole; 9. first cylinder; 10. connecting piece; 11. ball bearing. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0024] The present invention provides Figure 1-3 The pipe bending machine and processing method for automobile urea pipe shown in the figure include a cabinet 1, a main shaft 2 is rotatably inserted and sleeved on one side of the top of the cabinet 1, a servo motor and a reduction box are arranged inside the cabinet 1, and the servo motor can drive the main shaft 2 to rotate through the reduction box, a bearing plate 3 is fixedly connected to the top of the main shaft 2, a bending shaft 4 is fixedly connected to one side of the top of the bearing plate 3, the axis of the bending shaft 4 is the same as the axis of the main shaft 2, so that the bearing plate 3 can drive the bending shaft 4 to rotate, and an annular groove is provided on the outer wall of the bending shaft 4, so that the bent pipe can be limited, and the contact area between the bent pipe and the bending shaft 4 is increased, and the inner wall of the pipe is reduced. A baffle 5 is fixedly connected to one side of the top of the cabinet 1, a clamping device 6 is installed on the top of the bearing plate 3, and a limiting device 7 is installed on the other side of the top of the bearing plate 3. A first slide rail 82 is fixedly connected to the top of the cabinet 1, and a positioning device is arranged between the first slide rail 82 and the bearing plate 3.
[0025] The positioning device includes a first cylinder 9, the outer wall of the first cylinder 9 is fixedly inserted and sleeved with the supporting plate 3, the output end of the first cylinder 9 is transmission-connected with a connecting piece 10, and the inner cavity of the connecting piece 10 is rotatably embedded with a ball 11, and the first cylinder 9 can drive the connecting piece 10 to drive the ball 11 to descend, so that the ball 11 slides and engages with the positioning hole 83 on the first slide rail 82, thereby limiting the position of the supporting plate 3 and stopping the bending process of the pipeline. The top of the first slide rail 82 is provided with a plurality of positioning holes 83 in a circular array, and one side of the bottom of the supporting plate 3 is fixedly connected with a first slider 81, and the first slider 81 and the first slide rail 82 can support one side of the top of the supporting plate 3, thereby ensuring the stability of the movement of the supporting plate 3, and the top view of the first slide rail 82 is as shown Figure 3 As shown, the center of the circle is the same as that of the main shaft 2 , and the first sliding block 81 is slidably sleeved on the outer wall of the first sliding rail 82 .
[0026] The limiting device 7 includes a second mounting plate 71, the bottom of which is fixedly connected to the supporting plate 3, a third cylinder 72 is fixedly connected to one side of the second mounting plate 71, and the output end of the third cylinder 72 is transmission-connected to a limiting block 73, the limiting block 73 and the positioning plate 64 can limit the position of the pipeline, and both the limiting block 73 and the positioning plate 64 can be moved, so that pipelines of different sizes can be positioned and clamped.
[0027] The clamping device 6 includes a first mounting plate 61, which is movably mounted on the top of the bearing plate 3. A connecting frame 65 is fixedly connected to the top of the first mounting plate 61, and a positioning plate 64 is slidably connected inside the connecting frame 65. A first fixed plate 62 is specified to be connected to one side of the first mounting plate 61, and a second cylinder 63 is fixedly connected to one side of the first fixed plate 62. The output end of the second cylinder 63 is transmission-connected to the positioning plate 64. Two second slide rails 67 are fixedly connected to the top of the bearing plate 3. Second sliders 66 are symmetrically fixedly connected to the two sides of the bottom of the first mounting plate 61. The second sliders 66 are slidably engaged with the outer walls of the second slide rails 67. A second fixed plate 68 is fixedly connected to the front of the bearing plate 3, and a fourth cylinder 69 is fixedly connected to the back of the second fixed plate 68. The fourth cylinder 69 can drive the first mounting plate 61 to move on the bearing plate 3, thereby changing the position of the positioning plate 64 clamping the pipeline. The output end of the fourth cylinder 69 is transmission-connected to the third fixed plate 610, and the third fixed plate 610 is fixedly connected to the front of the first mounting plate 61.
[0028] The servo motor, the first cylinder 9, the second cylinder 63, the third cylinder 72 and the fourth cylinder 69 are electrically connected to an external power source through an external servo motor switch, a first cylinder switch, a second cylinder switch, a third cylinder switch and a fourth cylinder switch, respectively.
[0029] Working principle of the present invention: when bending the automobile urea pipeline, first place the pipeline on one side of the baffle 5, and make one side of the pipeline fit with the bending shaft 4, then turn on the third cylinder switch and the second cylinder switch, so that the third cylinder 72 pushes the limit block 73 to move, and the second cylinder 63 pushes the positioning plate 64 to move, so that the positioning plate 64 and the limit block 73 move relative to each other to clamp the pipeline, and then turn on the servo motor switch, the servo motor drives the main shaft 2 to rotate through the reduction box, and the main shaft 2 drives the bearing plate 3 and the bending shaft 4 to rotate, so that the pipeline is bent under the limitation of the baffle 5, when the pipeline is bent to a certain extent, turn on the first cylinder switch, so that the first cylinder 9 drives the connecting piece 10 and the ball 11 to descend, so that the ball 11 corresponds to the positioning hole 83 on the first slide rail 82, so as to complete the position limitation of the bearing plate 3, thereby ensuring the accuracy of the pipeline bending.
[0030] When the pipe bending process is completed, the second cylinder 63 and the third cylinder 72 respectively drive the positioning plate 64 and the limit block 73 to move in opposite directions, loosen the pipe, and remove the pipe.
[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A pipe bending machine for automobile urea pipe processing, comprising a cabinet (1), characterized in that: A main shaft (2) is rotatably inserted and sleeved on one side of the top of the cabinet (1); a bearing plate (3) is fixedly connected to the top of the main shaft (2); a bending shaft (4) is fixedly connected to one side of the top of the bearing plate (3); a baffle (5) is fixedly connected to one side of the top of the cabinet (1); a clamping device (6) is installed on the top of the bearing plate (3); a limiting device (7) is installed on the other side of the top of the bearing plate (3); a first slide rail (82) is fixedly connected to the top of the cabinet (1); and a positioning device is provided between the first slide rail (82) and the bearing plate (3); The positioning device comprises a first cylinder (9), the outer wall of the first cylinder (9) is fixedly inserted and sleeved with the bearing plate (3), the output end of the first cylinder (9) is drivingly connected to a connecting piece (10), a ball (11) is rotatably embedded in the inner cavity of the connecting piece (10), and a plurality of positioning holes (83) are formed in a circular array on the top of the first slide rail (82); A first sliding block (81) is fixedly connected to one side of the bottom of the bearing plate (3), and the first sliding block (81) is slidably sleeved on the outer wall of the first sliding rail (82); The limiting device (7) comprises a second mounting plate (71), the bottom of the second mounting plate (71) is fixedly connected to the bearing plate (3), one side of the second mounting plate (71) is fixedly connected to a third cylinder (72), and the output end of the third cylinder (72) is drivingly connected to a limiting block (73); The clamping device (6) comprises a first mounting plate (61), the first mounting plate (61) being movably mounted on the top of the bearing plate (3), a connecting frame (65) being fixedly connected to the top of the first mounting plate (61), and a positioning plate (64) being slidably connected inside the connecting frame (65); One side of the first mounting plate (61) is connected to a first fixing plate (62), one side of the first fixing plate (62) is fixedly connected to a second cylinder (63), and an output end of the second cylinder (63) is drivingly connected to a positioning plate (64); The top of the carrier plate (3) is fixedly connected to two second slide rails (67), and both sides of the bottom of the first mounting plate (61) are symmetrically fixedly connected to second slide blocks (66), and the second slide blocks (66) are slidably engaged with the outer walls of the second slide rails (67); The front side of the carrier plate (3) is fixedly connected to a second fixing plate (68), the back side of the second fixing plate (68) is fixedly connected to a fourth cylinder (69), the output end of the fourth cylinder (69) is drivingly connected to a third fixing plate (610), and the third fixing plate (610) is fixedly connected to the front side of the first mounting plate (61); When the automobile urea pipeline is bent, the pipeline is first placed on one side of the baffle (5) and one side of the pipeline is made to fit with the bending axis (4). Then, the third cylinder (72) pushes the limit block (73) to move, and the second cylinder (63) pushes the positioning plate (64) to move, so that the positioning plate (64) and the limit block (73) move relative to each other to clamp the pipeline.
2. A method for processing automobile urea pipes with a pipe bending machine, using the pipe bending machine for processing automobile urea pipes as claimed in claim 1, characterized in that: The following steps are involved: Step 1: using the first slide rail (82), the first cylinder (9) and the ball bearing (11) in combination, when the main shaft (2) and the bending shaft (4) are bending the pipe product, the first cylinder (9) can drive the ball bearing (11) to descend, so that the ball bearing (11) slides and engages with the positioning hole at the corresponding position on the first slide rail (82), thereby limiting the bending angle of the pipe; Step 2: The fourth cylinder (69) can drive the first fixing plate (62) to move on the carrying plate (3), thereby separating the positioning plate (64) from the bent pipe, thereby facilitating the removal of the processed pipe.
Citation Information
Patent Citations
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CN112045004A
Bending machine for steel pipe machining
CN211386426U
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CN213997319U
Pipe bending machine for automobile urea pipe machining
CN216262844U