Equipment and method for bending copper pipeline during manufacturing of air conditioner

By designing air-conditioning copper pipe bending equipment with multiple conveying shaft rollers and bending disks of different diameters, combined with liftable and lowered bending mechanisms, the problem that existing equipment cannot adjust the bending arc is solved, diversified bending needs for air-conditioning pipelines are achieved, and the practicality of the equipment is improved.

CN120169895AInactive Publication Date: 2025-06-20ANHUI MEIBO NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202510245945.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-06-20
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing air-conditioning copper pipe bending equipment cannot adjust the bending arc, and its practicality is limited, so it cannot adapt to the diversified needs of air-conditioning pipe bending.

Method used

A bending device including a plurality of conveying shaft rollers and a plurality of bending disks is designed, the bending arc is adjusted by bending disks of different diameters, and the copper tube is conveyed to a suitable bending disk height by a liftable pinching mechanism and a conveying shaft roller for clamping bending.

Benefits of technology

It realizes diversified bending demand for air-conditioning copper pipes, improves the practicality of the equipment, and through the disassembly and assembly of the bending plate, more bending arcs can be selected to meet more needs.

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Abstract

The invention provides copper pipeline bending equipment during air conditioner manufacturing, and belongs to the technical field of air conditioner pipeline machining, the copper pipeline bending equipment comprises a plurality of conveying shaft rollers and a plurality of bending discs, the diameters of the bending discs are sequentially reduced from bottom to top, the conveying shaft rollers are installed on one sides of the bending discs, and the conveying shaft rollers are installed on the other sides of the bending discs. A bending motor is mounted at the bottom of the bending disc positioned at the bottommost part; a clamping and bending mechanism is arranged on one side of the bending disc; the clamping and bending mechanism comprises a rotating plate installed on an output shaft of the bending motor, a T-shaped plate located at the top of the rotating plate, a first air cylinder arranged at the bottom of the rotating plate, an electric push rod installed at the top of the T-shaped plate and an abutting block connected with the electric push rod, wherein an output rod of the first air cylinder is connected with the T-shaped plate. According to the air conditioner pipe bending device, a copper pipe of an air conditioner can be conveyed through the conveying shaft roller, then the bending radian is adjusted through the bending discs with different diameters, the copper pipe is clamped and bent, and therefore the diversified bending requirements of air conditioner pipe bending are met.
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Description

Technical Field

[0001] The invention mainly relates to the technical field of air-conditioning pipe processing, and in particular to a copper pipe bending device and a bending method for air-conditioning production. Background Art

[0002] An air conditioner is a device used to regulate the temperature of the air indoors. It is an indispensable item for people in the hot summer. In order to achieve cooling, long pipes need to be installed in the air conditioner. In order to save space, the copper pipes need to be bent when making them.

[0003] When people bend copper pipes, the curvature of the bend cannot be adjusted. One type of bending equipment can only bend pipes with one curvature. Its practicality is limited and it cannot meet the diverse bending needs of air-conditioning pipes. Summary of the invention

[0004] The present invention mainly provides a copper pipe bending device and a bending method for air conditioner manufacturing to solve the technical problems raised in the above background technology.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] A copper pipe bending device for air conditioner manufacturing, comprising a plurality of conveying shaft rollers and a plurality of bending discs, wherein the plurality of bending discs are coaxially stacked and the diameters of the plurality of bending discs decrease from bottom to top, the plurality of conveying shaft rollers are mounted on one side of the bending discs, and a bending motor is mounted at the bottom of the bending disc at the bottom;

[0007] A bending mechanism is provided on one side of the bending disk, and the bending mechanism includes a rotating plate installed on the output shaft of the bending motor, a T-shaped plate located on the top of the rotating plate, a first cylinder arranged at the bottom of the rotating plate and the output rod connected to the T-shaped plate, an electric push rod installed on the top of the T-shaped plate, and an abutment block connected to the electric push rod.

[0008] Optionally, in the present invention, blocking disks are provided on both sides of the plurality of conveying shaft rollers.

[0009] Optionally, in the present invention, a connecting frame plate is provided at the bottom of the plurality of conveying shaft rollers, and a second cylinder is installed at the bottom center of the connecting frame plate.

[0010] Optionally, in the present invention, a pushing mechanism is installed on one side of the connecting frame plate, and the pushing mechanism includes a side plate connected to the connecting frame plate, a sliding groove arranged on the inner side of the side plate, a ball screw rotatably connected to the sliding groove, a nut seat slidably connected to the ball screw, a driving motor arranged on the side of the side plate and connected to the ball screw, and a pushing plate connected to the nut seat.

[0011] Optionally, in the present invention, the push plate is located in the top area of the conveying shaft roller, and the length of the push plate is greater than the length of the conveying shaft roller.

[0012] Optionally, in the present invention, threaded shafts are installed at the bottom centers of multiple bending discs, threaded grooves are provided at the top centers of the bending discs, and the bending discs are connected by docking through the threaded shafts and the threaded grooves.

[0013] Optionally, in the present invention, limiting discs are provided at the tops of multiple bending discs.

[0014] Optionally, in the present invention, two T-shaped sliding bars are provided on the top of the T-shaped plate near one side of the bending disc, and a T-shaped groove adapted to the T-shaped sliding bars is provided at the bottom of the abutting block.

[0015] Optionally, in the present invention, a guide rod is installed at the bottom of the T-shaped plate, and the guide rod penetrates through the rotating plate.

[0016] The bending method used by any of the above copper pipe bending devices for air conditioner production includes the following steps:

[0017] Step 1: First, place the copper pipe to be bent on the conveying shaft roller, then select a suitable bending arc according to the processing requirements, and find the bending disc corresponding to the arc.

[0018] Step 2: The first cylinder and the second cylinder operate synchronously, so that the clamping and bending mechanism and the conveying shaft roller rise synchronously, so that the abutting block is located at the parallel position of the corresponding bending disc, and the top horizontal plane of the conveying shaft roller is at the parallel position with the bottom horizontal plane of the corresponding bending disc.

[0019] Step 3: The feeding mechanism operates, the ball screw rotates, and the nut seat drives the push plate to move, so that the push plate pushes the copper pipe towards the bending disc, and the copper pipe enters the bending disc area.

[0020] Step 4: The electric push rod operates, so that the abutting block abuts on the copper pipe, and then the bending motor operates, driving the bending disc and the clamping and bending mechanism to rotate synchronously to complete the bending of the copper pipe.

[0021] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0022] The present invention can convey the copper pipe of the air conditioner through the conveying shaft roller, then adjust the bending arc through bending discs with different diameters, and convey the copper pipe to the height of the bending disc corresponding to the appropriate bending arc through the liftable clamping and bending mechanism and the conveying shaft roller, so that the copper pipe is clamped and bent, thus adapting to the diverse bending requirements of air conditioner pipe bending.

[0023] At the same time, the bending disc can be disassembled and assembled, so as to select bending discs with more bending arcs for installation to meet more requirements.

[0024] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the structure of the conveying shaft roller area of ​​the present invention;

[0027] Figure 3 It is a schematic diagram of the structure of the material pushing mechanism of the present invention;

[0028] Figure 4 It is a schematic diagram of the decomposition of the bending disk structure of the present invention;

[0029] Figure 5 It is a schematic diagram of the structure of the clamping and bending mechanism of the present invention.

[0030] In the figure: 10, conveying shaft roller; 11, blocking plate; 20, connecting frame plate; 30, second cylinder; 40, bending plate; 41, limiting plate; 42, threaded shaft; 43, threaded groove; 50, bending motor; 60, bending mechanism; 61, rotating plate; 62, first cylinder; 63, T-plate; 64, electric push rod; 65, resistance block; 66, T-slide; 67, guide rod; 70, pushing mechanism; 71, side plate; 72, sliding groove; 73, ball screw; 74, nut seat; 75, driving motor; 76, pushing plate. DETAILED DESCRIPTION

[0031] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0032] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] An embodiment of the present application provides a copper pipe bending device for air conditioning manufacturing, including multiple conveying shaft rollers 10 and multiple bending disks 40. The multiple bending disks 40 are stacked coaxially, and the diameters of the multiple bending disks 40 decrease from bottom to top. The multiple conveying shaft rollers 10 are installed on one side of the bending disk 40, and a bending motor 50 is installed at the bottom of the bending disk 40 located at the bottom.

[0035] A bending mechanism 60 is provided on one side of the bending disk 40, and the bending mechanism 60 includes a rotating plate 61 installed on the output shaft of the bending motor 50, a T-shaped plate 63 located at the top of the rotating plate 61, a first cylinder 62 arranged at the bottom of the rotating plate 61 and the output rod connected to the T-shaped plate 63, an electric push rod 64 installed on the top of the T-shaped plate 63, and a resistance block 65 connected to the electric push rod 64.

[0036] It should also be noted that the electrical components of the device are all electrically connected to a conventional PLC controller.

[0037] For details, please refer to the attached Figure 2 Blocking plates 11 are provided on both sides of the plurality of conveying shaft rollers 10 .

[0038] It should be noted that, in this embodiment, the blocking plate 11 can prevent the air-conditioning steel pipe from sliding off the conveying shaft roller 10 .

[0039] For details, please refer to the attached Figure 2 A connecting frame plate 20 is provided at the bottom of the plurality of conveying shaft rollers 10 , and a second cylinder 30 is installed at the bottom center of the connecting frame plate 20 .

[0040] It should be noted that, in the present embodiment, the conveying shaft rollers 10 can be combined together by connecting the frame plate 20 , and the second cylinder 30 can realize the synchronous lifting and lowering of the plurality of conveying shaft rollers 10 .

[0041] For details, please refer to the attached Figure 3 A pushing mechanism 70 is installed on one side of the connecting frame plate 20, and the pushing mechanism 70 includes a side plate 71 connected to the connecting frame plate 20, a sliding groove 72 arranged on the inner side of the side plate 71, a ball screw 73 rotatably connected in the sliding groove 72, a nut seat 74 slidably connected to the ball screw 73, a driving motor 75 arranged on the side of the side plate 71 and connected to the ball screw 73, and a pushing plate 76 connected to the nut seat 74.

[0042] It should be noted that in this embodiment, by operating the drive motor 75, the ball screw 73 can be rotated, so that the nut seat 74 drives the side plate 71 to slide left and right along the sliding groove 72, thereby pushing the copper tube to move on the conveying shaft roller 10 and making the copper tube enter the bending disc 40 area for bending.

[0043] Specifically, please refer to the attached Figure 2 , the push plate 76 is located in the top area of the conveying shaft roller 10, and the length of the push plate 76 is greater than the length of the conveying shaft roller 10.

[0044] It should be noted that in this embodiment, the length of the push plate 76 can ensure that the copper tube in any area on the conveying shaft roller 10 can be pushed.

[0045] Specifically, please refer to the attached Figure 4 , threaded shafts 42 are installed at the bottom centers of multiple bending discs 40, threaded grooves 43 are arranged at the top centers of the bending discs 40, and the bending discs 40 are connected by docking the threaded shafts 42 and the threaded grooves 43.

[0046] It should be noted that in this embodiment, by rotating the bending disc 40, the disassembly of the threaded shaft 42 and the threaded groove 43 can be realized, so as to complete the disassembly of a single bending disc 40, and then install a bending disc 40 with a suitable diameter to adjust the bending radius.

[0047] Specifically, please refer to the attached Figure 4 , limiting discs 41 are arranged at the tops of multiple bending discs 40.

[0048] It should be noted that in this embodiment, the limiting disc 41 can limit the steel pipe, so as to prevent the steel pipe from tilting up.

[0049] Specifically, please refer to the attached Figure 5 , two T-shaped sliding strips 66 are arranged on the top of the T-shaped plate 63 close to one side of the bending disc 40, and a T-shaped groove adapted to the T-shaped sliding strips 66 is arranged at the bottom of the abutting block 65.

[0050] It should be noted that in this embodiment, the abutting block 65 can be limited by the T-shaped sliding strips 66, so that the abutting block 65 moves more stably left and right to clamp the copper tube.

[0051] Specifically, please refer to the attached Figure 5 , a guide rod 67 is installed at the bottom of the T-shaped plate 63, and the guide rod 67 penetrates through the rotating plate 61.

[0052] It should be noted that in this embodiment, the guide rod 67 can support the T-shaped plate 63, so as to ensure the stable lifting of the components on the T-shaped plate 63.

[0053] Any of the bending methods used in the copper pipe bending equipment for manufacturing the above-mentioned air conditioners includes the following steps:

[0054] Step 1: First, place the copper pipe to be bent on the conveying shaft rollers 10. Then, according to the processing requirements, select a suitable bending arc and find the bending disc 40 corresponding to this arc.

[0055] Step 2: The first cylinder 62 and the second cylinder 30 operate synchronously, causing the clamping and bending mechanism 60 and the conveying shaft rollers 10 to rise synchronously, so that the abutting block 65 is located at a parallel position corresponding to the bending disc 40, and the top horizontal plane of the conveying shaft rollers 10 is at a parallel position with the bottom horizontal plane of the corresponding bending disc 40.

[0056] Step 3: The feeding mechanism 70 operates, the ball screw 73 rotates, and the nut seat 74 drives the push plate 76 to move, so that the push plate 76 pushes the copper pipe towards the bending disc 40, causing the copper pipe to enter the area of the bending disc 40.

[0057] Step 4: The electric push rod 64 operates, causing the abutting block 65 to abut against the copper pipe. Then, the bending motor 50 operates, driving the bending disc 40 and the clamping and bending mechanism 60 to rotate synchronously to complete the bending of the copper pipe.

[0058] The present invention has been described exemplarily in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-mentioned manner. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A copper pipe bending device for air conditioning manufacturing, comprising a plurality of conveying shaft rollers (10) and a plurality of bending disks (40), characterized in that: A plurality of the bending disks (40) are coaxially stacked and arranged, and the diameters of the plurality of the bending disks (40) decrease from bottom to top, a plurality of the conveying shaft rollers (10) are installed on one side of the bending disks (40), and a bending motor (50) is installed at the bottom of the bending disk (40) at the bottom; A bending mechanism (60) is provided on one side of the bending disk (40), and the bending mechanism (60) comprises a rotating plate (61) mounted on the output shaft of the bending motor (50), a T-shaped plate (63) located on the top of the rotating plate (61), a first cylinder (62) arranged at the bottom of the rotating plate (61) and having an output rod connected to the T-shaped plate (63), an electric push rod (64) mounted on the top of the T-shaped plate (63), and a resistance block (65) connected to the electric push rod (64).

2. The copper pipe bending equipment for air conditioning manufacturing according to claim 1 is characterized in that: Blocking plates (11) are provided on both sides of the plurality of conveying shaft rollers (10).

3. The copper pipe bending equipment for air conditioning manufacturing according to claim 1 is characterized in that: A connecting frame plate (20) is provided at the bottom of the plurality of conveying shaft rollers (10), and a second cylinder (30) is installed at the bottom center of the connecting frame plate (20).

4. The copper pipe bending equipment for air conditioning manufacturing according to claim 3 is characterized in that: A material pushing mechanism (70) is installed on one side of the connecting frame plate (20), and the material pushing mechanism (70) comprises a side plate (71) connected to the connecting frame plate (20), a sliding groove (72) arranged on the inner side of the side plate (71), a ball screw (73) rotatably connected to the sliding groove (72), a nut seat (74) slidably connected to the ball screw (73), a driving motor (75) arranged on the side of the side plate (71) and connected to the ball screw (73), and a pushing plate (76) connected to the nut seat (74).

5. The copper pipe bending equipment for air conditioning manufacturing according to claim 4 is characterized in that: The push plate (76) is located at the top area of ​​the conveying shaft roller (10), and the length of the push plate (76) is greater than the length of the conveying shaft roller (10).

6. The copper pipe bending equipment for air conditioning manufacturing according to claim 1 is characterized in that: A threaded shaft (42) is installed at the bottom center of each of the bending disks (40), a threaded groove (43) is arranged at the top center of each of the bending disks (40), and the bending disks (40) are connected by butting the threaded shaft (42) and the threaded groove (43).

7. The copper pipe bending equipment for air conditioner manufacturing according to claim 1 is characterized in that: A limiting disk (41) is arranged on the top of each of the plurality of bending disks (40).

8. The copper pipe bending equipment for air conditioner manufacturing according to claim 1 is characterized in that: Two T-shaped slide bars (66) are arranged on the top of the T-shaped plate (63) near the bending plate (40), and a T-shaped groove matching the T-shaped slide bars (66) is arranged on the bottom of the abutment block (65).

9. The copper pipe bending equipment for air conditioner manufacturing according to claim 1, characterized in that: A guide rod (67) is installed at the bottom of the T-shaped plate (63), and the guide rod (67) passes through the rotating plate (61).

10. The bending method used by the copper pipe bending equipment in manufacturing any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: firstly, place the copper tube to be bent on the conveying shaft roller (10), then select a suitable bending arc according to the processing requirements, and find the bending disk (40) corresponding to the arc; Step 2: The first cylinder (62) and the second cylinder (30) operate synchronously to make the bending mechanism (60) and the conveying shaft roller (10) rise synchronously, so that the abutment block (65) is located in a parallel position with the corresponding bending plate (40), and the top horizontal plane of the conveying shaft roller (10) is in a parallel position with the bottom horizontal plane of the corresponding bending plate (40); Step 3: The pushing mechanism (70) operates, the ball screw (73) rotates, and the nut seat (74) drives the push plate (76) to move, so that the push plate (76) pushes the copper tube toward the bending disk (40), so that the copper tube enters the bending disk (40) area; Step 4: The electric push rod (64) operates to make the abutment block (65) abut against the copper tube, and then the bending motor (50) operates to drive the bending disk (40) and the bending mechanism (60) to rotate synchronously to complete the bending of the copper tube.