Air conditioner copper pipe fixed-length pipe cutting device capable of achieving quick positioning
By using a servo motor and displacement sensor in conjunction with a gear system driven by a hydraulic rod, rapid positioning and precise cutting of air conditioning copper pipes are achieved, solving the problems of low precision in copper pipe fixing and cutting in existing technologies, and improving cutting efficiency and consistency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- JIANGSU YIMAI ENERGY TECHNOLOGY SERVICES CO LTD
- Filing Date
- 2026-03-24
- Publication Date
- 2026-05-12
AI Technical Summary
Existing air conditioning copper pipe cutting devices suffer from low efficiency and poor consistency in terms of fixing and cutting accuracy. In particular, when adapting to copper pipes of different diameters, the operation is cumbersome and it is difficult to ensure the consistency of copper pipe fixing during the cutting process, which affects the cutting accuracy.
A servo motor drives a threaded rod to move the slide block, and a displacement sensor monitors the displacement of the cutting components in real time. A hydraulic rod drives a gear and rack to adjust the adjustment frame synchronously, enabling multiple adjustment frames to quickly adapt to and fix copper tubes of different diameters. The blade is precisely cut by an electric push rod and a motor, avoiding human error.
It achieves high-precision fixed-length cutting of copper tubes, improves cutting consistency and efficiency, simplifies the operation process, reduces human error, significantly improves fixing efficiency when adapting to copper tubes of different diameters, and allows for rapid unloading and unified collection of cut copper tubes.
Smart Images

Figure CN122007498A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of air conditioner copper pipe cutting technology, specifically to an air conditioner copper pipe length cutting device that can be quickly positioned. Background Technology
[0002] In the air conditioning production and assembly process, copper pipes are a core refrigeration pipeline component. The cutting accuracy of copper pipes directly affects the sealing of subsequent pipeline connections and the operating efficiency of the refrigeration system. Therefore, precise and efficient fixed-length cutting of copper pipes is one of the key processes in air conditioning production.
[0003] For example, application number 202222275510.2 discloses a fixed-length cutting device for copper pipes used in central air conditioning, relating to the field of central air conditioning installation technology. This fixed-length cutting device includes multiple parallel roller seats. A drive wheel and a cutting machine are sequentially arranged on the top of each roller seat along its arrangement direction. It also includes a first driving device and a second driving device for driving the drive wheel and the cutting machine up and down, respectively. A limit switch is provided on one side of each drive wheel. A third driving device is also included for driving the drive wheel to rotate. This invention places the copper pipe on the roller seat, and the drive wheel moves the copper pipe along the roller seat. A limit switch on one side of the drive wheel detects the distance the copper pipe has traveled. The distance the limit switch detects further controls the cutting machine's cutting action, allowing for the immediate cutting of a batch of fixed-length copper pipes. The cutting process is simple and convenient, saving time and effort, and improving the installation efficiency of central air conditioning systems. However, existing air conditioning copper pipe cutting devices generally have a copper pipe fixing process. Most devices use a single set of clamps to adjust and fix the copper pipe one by one. When adapting to copper pipes of different diameters, the operation is cumbersome, the adjustment efficiency is low, and it is difficult to ensure the consistency of copper pipe fixing when cutting multiple segments. This can easily lead to displacement of the copper pipe during the cutting process, affecting the cutting accuracy. Summary of the Invention
[0004] The purpose of this invention is to provide a quick-positioning, fixed-length cutting device for air conditioning copper pipes to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a quick-positioning air conditioning copper pipe length-cutting device, comprising a working platform and an adjusting frame. A fixed frame is provided on the outer surface of the working platform, and an adjusting frame is provided on one side of the fixed frame. An extension slider is installed at the bottom of the adjusting frame and is slidably installed on the inner side of the working platform. An auxiliary component for assisting the adjusting frame to move closer to the fixed frame is provided on the inner side of the adjusting frame, and the auxiliary component includes a rack, a lead screw, and a gear. A gear is meshed on the outer surface of the rack, and a lead screw is provided in the middle of one side of the gear. The adjusting frame is installed on the outer side of the working platform, and a cutting component for assisting pipe cutting is provided inside the adjusting frame. The cutting component includes a collecting plate, a motor, and a blade. A motor is provided on the inner side of the collecting plate, and a blade is installed on the drive shaft of the motor.
[0006] Furthermore, a servo motor is installed at one end of the adjustment frame, and a threaded rod is provided at the output end of the servo motor.
[0007] Furthermore, the cutting assembly also includes a slide, a displacement sensor, and an electric push rod. The slide is threaded onto the outer surface of the threaded rod, and a displacement sensor is provided on one side of the outer surface of the slide. An electric push rod is installed on the top of the slide, and a collection plate is installed at the output end of the electric push rod.
[0008] Furthermore, one end of the rack is provided with a drive assembly for assisting in the movement of the rack position, and the drive assembly includes a connecting rod, a hydraulic rod and a fixing plate. One end of the connecting rod is equipped with a hydraulic rod, and one end of the hydraulic rod is provided with a fixing plate.
[0009] Furthermore, the fixing plate is fixedly installed on one side of the bottom of the work platform, and support plates are installed on both sides of the bottom of the work platform.
[0010] Furthermore, a base plate is provided at the bottom of the support plate, and a protective frame is snapped onto one side of the top outer surface of the work platform.
[0011] Furthermore, the protective frame has a hollow internal structure, and lead screws are equidistantly arranged inside the protective frame.
[0012] Furthermore, the working platform has an internal slot, and the fixing frame and the adjusting frame have the same shape.
[0013] This invention provides a quick-positioning, fixed-length air conditioning copper pipe cutting device, which has the following advantages: 1. This invention uses a servo motor to drive the threaded rod to rotate, which in turn moves the slide horizontally within the adjustment frame. With the help of a displacement sensor on the slide to monitor the movement distance in real time, the displacement stroke of the cutting component can be precisely controlled to achieve fixed-length cutting of copper pipes. During cutting, the electric push rod drives the assembly plate and the blade to move downward, and the motor drives the blade to rotate to complete the cutting operation. The entire process does not require manual measurement and positioning, effectively avoiding human error and significantly improving the dimensional accuracy and consistency of air conditioning copper pipe cutting, thus meeting the high-precision requirements of air conditioning pipeline assembly.
[0014] 2. This invention relies on the synergistic effect of the drive component and auxiliary components. The hydraulic rod drives the connecting rod to move the rack, which in turn drives multiple sets of gears to rotate synchronously. The gears drive the lead screw to rotate, enabling multiple sets of adjustment frames to move closer to or further away from the fixed frame simultaneously. This allows for quick adaptation to the positioning and fixing requirements of air conditioning copper pipes of different diameters. Compared to the traditional method of fixing one by one, this device can simultaneously complete the spacing adjustment of multiple sets of adjustment frames, greatly improving the efficiency of copper pipe clamping and fixing. After cutting, the adjustment frames reset and move away from the fixed frame. The cut copper pipes can be collected and dropped onto the base plate through the built-in groove of the work platform, achieving rapid unloading and unified collection, further improving the overall processing efficiency. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the overall structure of a quick-positioning air conditioning copper pipe length-cutting device according to the present invention. Figure 2 This is a schematic diagram of another perspective of the air conditioning copper pipe length cutting device that can be quickly positioned according to the present invention. Figure 3 This is a schematic diagram of the auxiliary component structure of the air conditioning copper pipe length cutting device that can be quickly positioned according to the present invention. Figure 4 This is a schematic diagram of the drive assembly structure of a fast-positioning air conditioning copper pipe length cutting device according to the present invention. Figure 5 This is a schematic diagram of the cutting component structure of a quick-positioning air conditioning copper pipe length-cutting device according to the present invention.
[0016] In the diagram: 1. Working platform; 2. Adjustment frame; 3. Fixing frame; 4. Support plate; 5. Base plate; 6. Protective frame; 7. Servo motor; 8. Threaded rod; 9. Auxiliary component; 901. Rack; 902. Lead screw; 903. Gear; 10. Built-in groove; 11. Drive component; 1101. Connecting rod; 1102. Hydraulic rod; 1103. Fixing plate; 12. Cutting component; 1201. Slide; 1202. Displacement sensor; 1203. Electric push rod; 1204. Assembly plate; 1205. Motor; 1206. Blade; 13. Adjustment frame; 14. Extension slider. Detailed Implementation
[0017] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of the invention.
[0018] like Figures 1-5As shown, a quick-positioning air conditioning copper pipe length-cutting device includes a working platform 1, an adjusting frame 2, a fixing frame 3, a support plate 4, a base plate 5, a protective frame 6, a servo motor 7, a threaded rod 8, an auxiliary component 9, a rack 901, a lead screw 902, a gear 903, an internal groove 10, a drive component 11, a connecting rod 1101, a hydraulic rod 1102, a fixing plate 1103, a cutting component 12, a slide block 1201, a displacement sensor 1202, an electric push rod 1203, a collection plate 1204, a motor 1205, a blade 1206, an adjusting frame 13, and an extension slider 14. The fixing frame 3 is provided on the outer surface of the working platform 1, and the adjusting frame 13 is provided on one side of the fixing frame 3. The work platform 1 has an internal groove 10. The fixed frame 3 and the adjusting frame 13 have the same shape. An extension slider 14 is installed at the bottom of the adjusting frame 13 and is slidably installed on one side of the inside of the work platform 1. An auxiliary component 9 is provided on one side of the inside of the adjusting frame 13 to help the adjusting frame 13 move closer to the fixed frame 3. The auxiliary component 9 includes a rack 901, a lead screw 902 and a gear 903. The gear 903 is meshed on the outer surface of the rack 901, and the lead screw 902 is provided in the middle of one side of the gear 903. The adjusting frame 2 is installed on one side of the outside of the work platform 1. A servo motor 7 is installed at one end of the adjusting frame 2, and the output end of the servo motor 7 is provided with a thread. The rod 8 and the adjusting frame 2 are equipped with a cutting assembly 12 for assisting in pipe cutting. The cutting assembly 12 includes a collecting plate 1204, a motor 1205, and a blade 1206. The motor 1205 is located on one side of the collecting plate 1204, and the blade 1206 is mounted on the drive shaft of the motor 1205. The cutting assembly 12 also includes a slide 1201, a displacement sensor 1202, and an electric push rod 1203. The slide 1201 is threaded onto the outer surface of the threaded rod 8, and the displacement sensor 1202 is located on one side of the outer surface of the slide 1201. The electric push rod 1203 is mounted on the top of the slide 1201, and the collecting plate 1204 is mounted on the output end of the electric push rod 1203. The copper tube to be cut is positioned between the adjusting frame 13 and the fixed frame 3. The end of the copper tube is flush with the working platform 1, so that the copper tube servo motor 7 can drive the threaded rod 8 to rotate, thereby driving the slide 1201, which is threadedly connected to the threaded rod 8, to move horizontally within the adjusting frame 2. The displacement sensor 1202 can detect the distance moved, so that when the same distance is reached, the electric push rod 1203 can drive the collecting plate 1204 to move downward. The motor 1205 can drive the blade 1206 to rotate through the drive shaft, so that the copper tube can be cut by the rotating blade 1206 when the collecting plate 1204 moves downward.
[0019] like Figure 1 , Figure 3 and Figure 4As shown, a drive assembly 11 for assisting the movement of the rack 901 is provided at one end of the rack 901. The drive assembly 11 includes a connecting rod 1101, a hydraulic rod 1102, and a fixing plate 1103. The hydraulic rod 1102 is installed at one end of the connecting rod 1101, and the fixing plate 1103 is provided at one end of the hydraulic rod 1102. The fixing plate 1103 is fixedly installed on one side of the bottom of the work platform 1. Support plates 4 are installed on both sides of the bottom of the work platform 1. A base plate 5 is provided at the bottom of the support plate 4. A protective frame 6 is snapped onto one side of the top outer surface of the work platform 1. The protective frame 6 has a hollow structure inside, and lead screws 902 are equidistantly arranged inside the protective frame 6. The design of the protective frame 6 can provide shielding protection from the outside of the entire auxiliary assembly 9. The design of the hydraulic rod 1102 can drive the connecting rod 1101 and the rack 901 to move, thereby driving the rack 901 to move. The position movement of 1 can drive multiple sets of gears 903 that mesh with it to rotate synchronously. The rotation of gears 903 can drive lead screw 902 to rotate accordingly, thereby driving the adjustment frame 13 threadedly connected to lead screw 902 to slide horizontally inside the work platform 1. This allows for simultaneous adjustment of the distance between multiple sets of adjustment frames 13 and the fixed frame 3, facilitating the limiting and fixing of copper tubes of different diameters, ensuring stability during the cutting process, eliminating the need to fix both ends of long copper tubes one by one, and improving the fixing efficiency of copper tubes. After cutting, the design of hydraulic rod 1102 can be used to reset rack 901, thereby moving multiple sets of adjustment frames 13 away from the fixed frame 3, allowing for rapid unloading of copper tubes after cutting. The unloaded copper tubes will fall into the outer surface of the base plate 5 through the built-in groove 10 in the work platform 1, making it convenient for users to collect them uniformly.
[0020] In summary, this rapid-positioning air conditioning copper pipe length-cutting device firstly... Figures 1-5As shown in the diagram, during use, the adjusting frame 13 is positioned away from the fixed frame 3 via the extended slider 14 at the bottom, facilitating the operator's placement of the copper tube to be cut. The protective frame 6 is snapped onto one side of the top of the work platform 1, providing shielding protection for the internal auxiliary components 9 and preventing debris from entering the transmission structure during subsequent operations. The operator places the copper tube to be cut between the fixed frame 3 and the adjusting frame 13 on the work platform 1, ensuring that the end of the copper tube is flush with the work platform 1, providing a reference positioning for subsequent fixed-length cutting. After starting the fixing program, the drive component 11 begins to work: the fixing plate 1103, fixed to one side of the bottom of the work platform 1, provides stable support for the hydraulic rod 1102. The telescopic drive linkage 1101 drives the rack 901 to move horizontally in a linear fashion. Since the rack 901 meshes with the gear 903, the movement of the rack 901 drives multiple sets of gears 903 to rotate synchronously. The middle of the gear 903 is fixedly connected to the lead screw 902, and the rotation of the gear 903 causes the lead screw 902 to rotate accordingly. The lead screw 902 is threadedly connected to the adjusting frame 13, and the adjusting frame 13 is limited to sliding inside the work platform 1 by the extension slider 14. Therefore, the rotation of the lead screw 902 is converted into the horizontal sliding of the adjusting frame 13 towards the fixed frame 3, until it cooperates with the fixed frame 3 to clamp and fix copper tubes of different diameters, ensuring no displacement of the copper tubes during subsequent cutting, improving cutting stability, and according to the... The servo motor 7 is started when the copper tube is cut to the preset length parameter. The servo motor 7 is installed at one end of the adjustment frame 2, and its output end drives the threaded rod 8 to rotate inside the adjustment frame 2. The slide 1201 in the cutting assembly 12 is threadedly connected to the threaded rod 8, and the slide 1201 slides within the adjustment frame 2. Therefore, the rotation of the threaded rod 8 drives the slide 1201 to make precise horizontal displacement along the adjustment frame 2. The displacement sensor 1202 installed on one side of the slide 1201 monitors the moving distance of the slide 1201 in real time and feeds the displacement data back to the control system, forming a closed-loop control. When the slide 1201 moves to the preset cutting position, i.e., when the data monitored by the displacement sensor 1202 reaches the preset value, the control... The control system sends a signal, the servo motor 7 stops working, and the slide 1201 drives the entire cutting assembly 12 to be precisely positioned at the cutting station to achieve fixed-length positioning of the copper tube. After the cutting assembly 12 is positioned, the control system starts the cutting program: the electric push rod 1203 installed on the top of the slide 1201 begins to extend and retract, driving the collection plate 1204 connected to its output end to move downward. The collection plate 1204 simultaneously drives the motor 1205 and the blade 1206 installed on one side inside to move downward until the blade 1206 contacts the preset cutting position of the copper tube to be cut. The motor 1205 starts and drives the blade 1206 to rotate at high speed through the drive shaft, using the rotating blade 1206 to cut the copper tube.During the cutting process, the protective frame 6 effectively blocks the debris generated during cutting, preventing debris from splashing to the outside or entering the transmission structure of the auxiliary component 9, thus ensuring the stability of the device operation. After the copper tube is cut, the motor 1205 stops working, and the blade 1206 stops rotating; the electric push rod 1203 retracts, driving the collection plate 1204 and the blade 1206 to move upward and reset to the initial height, and the hydraulic rod 1102 in the drive component 11 extends and retracts in the opposite direction, driving the connecting rod 1101 and the rack 901 to move in the opposite direction, and then through the gear 903 and the lead screw 902 The linkage drives the adjustment frame 13 to slide and reset away from the fixed frame 3, releasing the limiting fixation of the cut copper tube. Under the action of gravity, the cut copper tube falls through the built-in groove 10 inside the work platform 1 to the outer surface of the bottom plate 5 at the bottom of the support plate 4, making it convenient for operators to collect and sort. The servo motor 7 works in reverse, driving the threaded rod 8 to rotate in the opposite direction, driving the slide 1201 and the cutting assembly 12 to move and reset to the initial standby position, completing a complete copper tube fixed-length cutting operation, and can enter the next round of operation cycle.
[0021] The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and to design various embodiments with various modifications suitable for a particular purpose.
Claims
1. A quick-positioning air conditioning copper pipe length-cutting device, comprising a working platform (1) and an adjusting frame (2), characterized in that, The outer surface of the work platform (1) is provided with a fixed frame (3), and an adjusting frame (13) is provided on one side of the fixed frame (3). An extension slider (14) is installed at the bottom of the adjusting frame (13), and the extension slider (14) is slidably installed on the inner side of the work platform (1). An auxiliary component (9) is provided on the inner side of the adjusting frame (13) to assist the adjusting frame (13) in moving closer to the fixed frame (3). The auxiliary component (9) includes a rack (901), a lead screw (902), and a gear (903). The outer surface of the adjustment frame (2) is fitted with a gear (903), and a lead screw (902) is provided in the middle of one side of the gear (903). The adjustment frame (2) is installed on the outside of the working platform (1). The adjustment frame (2) is provided with a cutting assembly (12) for assisting in cutting the tube. The cutting assembly (12) includes a collection plate (1204), a motor (1205) and a blade (1206). The collection plate (1204) is provided with a motor (1205) on one side inside, and the blade (1206) is installed on the drive shaft of the motor (1205).
2. The air conditioning copper pipe length cutting device with rapid positioning as described in claim 1, characterized in that, A servo motor (7) is installed at one end of the adjustment frame (2), and a threaded rod (8) is provided at the output end of the servo motor (7).
3. The air conditioning copper pipe length-cutting device with rapid positioning according to claim 2, characterized in that, The cutting assembly (12) also includes a slide (1201), a displacement sensor (1202), and an electric push rod (1203). The slide (1201) is threaded on the outer surface of the threaded rod (8), and a displacement sensor (1202) is provided on one side of the outer surface of the slide (1201). An electric push rod (1203) is installed on the top of the slide (1201), and a collection plate (1204) is installed at the output end of the electric push rod (1203).
4. The air conditioning copper pipe length-cutting device with rapid positioning according to claim 3, characterized in that, One end of the rack (901) is provided with a drive assembly (11) for assisting in moving the rack (901) position. The drive assembly (11) includes a connecting rod (1101), a hydraulic rod (1102) and a fixing plate (1103). One end of the connecting rod (1101) is equipped with a hydraulic rod (1102), and one end of the hydraulic rod (1102) is provided with a fixing plate (1103).
5. The air conditioning copper pipe length-cutting device with rapid positioning according to claim 4, characterized in that, The fixing plate (1103) is fixedly installed on one side of the bottom of the work platform (1), and the support plates (4) are installed on both sides of the bottom of the work platform (1).
6. The air conditioning copper pipe length-cutting device with rapid positioning according to claim 5, characterized in that, The bottom of the support plate (4) is provided with a base plate (5), and a protective frame (6) is snapped onto one side of the top outer surface of the work platform (1).
7. A quick-positioning air conditioning copper pipe length-cutting device according to claim 6, characterized in that, The protective frame (6) has a hollow structure inside, and screw rods (902) are equidistantly arranged inside the protective frame (6).
8. A quick-positioning air conditioning copper pipe length-cutting device according to claim 7, characterized in that, The working platform (1) has an internal slot (10), and the fixed frame (3) and the adjusting frame (13) have the same shape.
9. A quick-positioning air conditioning copper pipe length-cutting device according to claim 8, characterized in that, The operation method is as follows: The adjusting frame (13) is positioned away from the fixed frame (3) by the extension slider (14) at the bottom. The protective frame (6) forms a shield to protect the internal auxiliary components (9). The copper tube to be cut is placed between the fixed frame (3) and the adjusting frame (13) of the working platform (1), ensuring that the end of the copper tube is flush with the working platform (1). The fixed plate (1103) fixed to one side of the bottom of the working platform (1) provides stable support for the hydraulic rod (1102). The extension and retraction of the hydraulic rod (1102) drives the connecting rod (1101) to drive the rack (901) to move horizontally in a straight line. The movement of the rack (901) will drive multiple sets of gears (903) to rotate synchronously. The gear (903) is fixedly connected to the lead screw (902) in the middle. The rotation of the gear (903) drives the lead screw (902) to rotate accordingly. The lead screw (902) is threadedly connected to the adjusting frame (13), and the adjusting frame (13) is limited to sliding inside the working platform (1) by the extension slider (14). The rotation of the lead screw (902) will be converted into the horizontal sliding of the adjusting frame (13) towards the fixed frame (3) until it cooperates with the fixed frame (3) to clamp and fix copper pipes of different diameters. The servo motor (7) is started. The servo motor (7) is installed at one end of the adjusting frame (2). Its output end drives the threaded rod (8) to rotate inside the adjusting frame (2). The rotation of the threaded rod (8) will drive the slide (12) 01) Make precise horizontal displacement along the adjustment frame (2). The displacement sensor (1202) installed on one side of the slide (1201) monitors the moving distance of the slide (1201) in real time. When the slide (1201) moves to the preset cutting position, that is, when the data monitored by the displacement sensor (1202) reaches the preset value, the control system sends a signal, the servo motor (7) stops working, and the slide (1201) drives the entire cutting assembly (12) to be precisely positioned to the cutting station to achieve fixed-length positioning of the copper tube. After the cutting assembly (12) is positioned, the control system starts the cutting program: the electric push rod (1203) installed on the top of the slide (1201) begins to extend and retract, driving the collection connected to its output end. As the assembly plate (1204) moves downward, the assembly plate (1204) simultaneously drives the motor (1205) and blade (1206) installed on one side of its interior to move downward until the blade (1206) contacts the preset cutting position of the copper tube to be cut. The motor (1205) starts and drives the blade (1206) to rotate at high speed through the drive shaft. The rotating blade (1206) is used to cut the copper tube. During the cutting process, the protective frame (6) can effectively block the debris generated by the cutting, preventing the debris from splashing to the outside or entering the transmission structure of the auxiliary component (9), thus ensuring the stability of the device operation. After the copper tube is cut, the motor (1205) stops working and the blade (1206) stops rotating.The electric push rod (1203) retracts, causing the collection plate (1204) and the blade (1206) to move upward and reset to the initial height. The hydraulic rod (1102) in the drive assembly (11) extends and retracts in the opposite direction, causing the connecting rod (1101) and the rack (901) to move in the opposite direction. Then, through the linkage of the gear (903) and the lead screw (902), the adjusting frame (13) is driven to slide and reset away from the fixed frame (3), releasing the limiting fixation of the cut copper tube. Under the action of gravity, the cut copper tube falls into the inner groove (10) of the working platform (1) and falls onto the outer surface of the bottom plate (5) at the bottom of the support plate (4), making it convenient for the operator to collect and sort it. The servo motor (7) works in the opposite direction, causing the threaded rod (8) to rotate in the opposite direction, driving the slide (1201) and the cutting assembly (12) to move and reset to the initial standby position, completing a complete copper tube fixed-length cutting operation, and can enter the next round of operation cycle.