A length-cutting device for automobile ventilation pipe

Abstract

The utility model relates to the technical field of automobile ventilation pipe processing, and disclose a kind of automobile ventilation pipe fixed-length cutting device, including workbench, the upper surface of the workbench is fixedly connected with two V-shaped material guide frame respectively for feeding and discharging, the workbench upper surface and located above the position of discharging V-shaped material guide frame is fixedly connected with support, the support is opened in sliding mouth, sliding mouth is slidably connected with sliding platform in, the upper surface of the sliding platform is fixedly connected with electric push rod, the output end of electric push rod is fixedly connected with T-shaped frame through sliding platform.The utility model is through the adjustable adjusting plate design in V-shaped pressing frame, utilize fixed screw and multiple groups of round hole cooperation, realize tool-free quick adjustment cutting length, adapt to different specifications pipe material demand, effectively improve the adjustment accuracy, avoid the error of traditional measurement mark, accurate fixed-length cutting, adjust flexible and efficient.

Description

Technical Field

[0001] This utility model relates to the field of automotive ventilation pipe processing technology, and more specifically to a fixed-length cutting device for automotive ventilation pipes. Background Technology

[0002] In the automotive manufacturing industry, ventilation duct systems are key components that ensure air circulation inside the vehicle and the efficient operation of the air conditioning system. These ducts are usually made of flexible materials and have characteristics such as softness, flexibility, and high temperature resistance. During the production process, continuous tubular raw materials need to be precisely cut to the designed length to meet the installation requirements of different vehicle models.

[0003] A search revealed a Chinese patent with publication number CN212857983U, which discloses a cutting device for aluminum alloy profiles of automotive ventilation ducts. This device can fix the automotive ventilation duct to be cut by a fixing clamp, preventing the position of the automotive ventilation duct from shifting during the cutting process. It replaces the traditional manual hand-held cutting of automotive ventilation ducts. However, when measuring the length of the ventilation duct to be cut, the operator uses a ruler, a marker pen and a cutting knife to manually complete the measurement, marking and cutting. This method is inefficient, labor-intensive, and the cutting accuracy is greatly affected by human factors. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a fixed-length cutting device for automotive ventilation pipes to solve the problems existing in the background art.

[0005] This utility model provides the following technical solution: a fixed-length cutting device for automotive ventilation pipes, including a worktable. Two V-shaped guide frames for feeding and discharging are fixedly connected to the upper surface of the worktable. A bracket is fixedly connected to the upper surface of the worktable and above the discharging V-shaped guide frame. A sliding opening is provided on the bracket, and a slide is slidably connected in the sliding opening. An electric push rod is fixedly connected to the upper surface of the slide. The output end of the electric push rod passes through the slide and is fixedly connected to a T-shaped frame. A cutting component for cutting the pipe is provided on one side of the bracket and between the two V-shaped guide frames. A plug-in component for adjusting the cutting length is provided between the bracket and the slide.

[0006] As a further embodiment of this utility model, a V-shaped pressing frame for pressing and fixing the tube is fixedly connected to one side of the T-shaped frame, and an adjustment component for adjusting the cutting length is provided inside the V-shaped pressing frame.

[0007] As a further embodiment of this utility model, the adjustment component includes multiple round holes on both sides of the V-shaped pressure frame, each of which is provided with a fixing screw, and an adjustment plate is threadedly connected between the two fixing screws and located between the inner walls of the V-shaped pressure frame.

[0008] As a further embodiment of this utility model, the plug-in assembly includes multiple insertion holes formed on the outer wall of the top of the bracket and located on one side of the sliding opening. A fixing block is fixedly connected to one side of the sliding table. A through hole is formed on the fixing block, and a fixing pin that cooperates with the insertion hole is slidably connected in the through hole.

[0009] As a further embodiment of this utility model, the cutting assembly includes a fixed frame fixedly connected to one side of the bracket, a ball screw linear module fixedly connected to the lower surface of the fixed frame, a blade holder fixedly connected to the mover of the ball screw linear module, and a triangular cutting blade fixedly connected above the blade holder.

[0010] As a further embodiment of this utility model, multiple clearance openings are provided on both side walls of the V-shaped guide frame. Side plates are fixedly connected to the side walls of the V-shaped guide frame and to both sides of the clearance openings. A conveying roller is rotatably connected between the two side plates through a bearing seat. A drive motor that causes one of the conveying rollers to rotate axially is connected to one of the side plates by a bolt fixing plate.

[0011] As a further embodiment of this utility model, the upper surface of the T-shaped frame is fixedly connected with multiple guide rods, and the top ends of the multiple guide rods pass through the top wall of the slide table and are slidably connected to the slide table.

[0012] As a further embodiment of this utility model, a square opening is provided on the worktable between the two V-shaped guide frames to allow the cutting blade to avoid obstruction.

[0013] The technical effects and advantages of this utility model are as follows: 1. This utility model utilizes an adjustable plate design within a V-shaped pressure frame, employing fixed screws and multiple sets of round holes to achieve tool-free, rapid adjustment of the cutting length. This adapts to the needs of different pipe specifications, effectively improving adjustment accuracy, avoiding errors from traditional measurement markings, enabling precise length cutting, and providing flexible and efficient adjustment.

[0014] 2. This utility model achieves automatic feeding and discharging by driving a motor to drive the conveyor roller. The electric push rod and the ball screw linear module are linked to control the pressing and cutting process. With the automatic material dropping from the square opening of the worktable, the single cycle operation time is significantly reduced, making it suitable for mass production.

[0015] 3. This utility model uses a triangular cutter in conjunction with a ball screw linear module for linear drive, which cuts into the pipe wall in a point-contact manner, concentrates stress and quickly cuts the pipe material, reducing vibration compared to a circular saw; the cut is free of burrs and deformation, meeting the airtightness requirements of ventilation pipes. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the front three-dimensional structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the rear three-dimensional structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the slide structure of this utility model.

[0019] Figure 4 This is a schematic diagram of the support structure of this utility model.

[0020] Figure 5 This is a schematic diagram of the bottom structure of the V-shaped guide frame of this utility model.

[0021] The attached diagram is labeled as follows: 1. Workbench; 2. V-shaped guide frame; 3. Support; 4. Slide; 5. Slide table; 6. Square opening; 7. Electric push rod; 8. T-shaped frame; 9. V-shaped pressure frame; 10. Round hole; 11. Fixing screw; 12. Adjusting plate; 13. Guide rod; 14. Fixing frame; 15. Ball screw linear module; 16. Tool holder; 17. Cutting knife; 18. Alternating slot; 19. Side plate; 20. Conveyor roller; 21. Drive motor; 22. Insertion hole; 23. Fixing block; 24. Fixing pin. Detailed Implementation

[0022] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. This utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] Reference Figures 1-5 This utility model provides a fixed-length cutting device for automotive ventilation pipes, including a workbench 1. The upper surface of the workbench 1 is fixedly connected with two V-shaped guide frames 2 for feeding and discharging materials, respectively, by bolts. A bracket 3 is fixedly connected to the upper surface of the workbench 1 and above the discharging V-shaped guide frame 2 by bolts. A sliding opening 4 is provided on the bracket 3, and a slide table 5 is slidably connected in the sliding opening 4. An electric push rod 7 is fixedly connected to the upper surface of the slide table 5 by bolts. The output end of the electric push rod 7 passes through the slide table 5 and is fixedly connected to a T-shaped frame 8 by bolts. A cutting component for cutting the pipe material is provided on one side of the bracket 3 and between the two V-shaped guide frames 2. A plug-in component for adjusting the cutting length is provided between the slide table 5 and the bracket 3.

[0024] It should be noted that the electric push rod 7 is existing technology and can be used with magnetic switches, proximity switches or photoelectric switches to achieve precise control of the push rod's extension and retraction displacement. Those skilled in the art can set it according to actual needs, which will not be elaborated here.

[0025] The adjustable plate 12 inside the V-shaped pressure frame 9, combined with the fixing screw 11 and multiple sets of round holes 10, enables tool-free and quick adjustment of the cutting length, adapting to the needs of different pipe specifications, effectively improving adjustment accuracy, avoiding errors of traditional measurement markings, and enabling precise fixed-length cutting with flexible and efficient adjustment.

[0026] When the pipe material is compressed, the electric push rod 7 is activated to push the T-shaped frame 8 and the V-shaped pressure frame 9 downward. The V-shaped pressure frame 9 presses the upper surface of the pipe material, while the guide rod 13 slides along the slide table 5 to ensure that the compression process is smooth and without deviation.

[0027] The cutting assembly includes a fixed frame 14 that is bolted to one side of the bracket 3. A ball screw linear module 15 is bolted to the lower surface of the fixed frame 14. A blade holder 16 is bolted to the mover of the ball screw linear module 15. A triangular cutter 17 is bolted to the top of the blade holder 16.

[0028] It should be noted that the ball screw linear module 15 achieves precise linear motion through the coordinated operation of various components: the slide table is the moving part, the ball screw and guide rail constitute the transmission core, the motor and coupling provide power, and the aluminum alloy profile and support base ensure structural stability. Furthermore, by cooperating with magnetic switches, proximity switches, or photoelectric switches, the displacement of the slide table can be precisely controlled. Those skilled in the art can set it according to actual needs, which will not be elaborated here.

[0029] The triangular cutter 17, in conjunction with the linear drive of the ball screw linear module 15, cuts into the pipe wall in a point-contact manner, concentrates stress, and quickly cuts the pipe material, reducing vibration compared to a circular saw; the cut is free of burrs and deformation, meeting the airtightness requirements of the ventilation pipe.

[0030] During cutting, the ball screw linear module 15 is activated to drive the tool holder 16 to move horizontally, which in turn drives the triangular cutter 17 to cut radially into the tube. The triangular cutting edge of the cutter 17 concentrates stress and efficiently cuts the tube. The waste generated during cutting falls through the square opening 6 of the worktable 1.

[0031] Furthermore, a V-shaped pressure frame 9 for pressing and fixing the pipe material is fixedly connected to one side of the T-shaped frame 8 by bolts, and an adjustment component for adjusting the cutting length is provided inside the V-shaped pressure frame 9.

[0032] First, the tube is placed on the feeding V-shaped guide frame 2. The drive motor 21 drives the conveying roller 20 to rotate, pushing the tube along the V-shaped guide frame 2 towards the discharge direction. The tube passes through the cutting area below the bracket 3 until the front end abuts against the adjusting plate 12 inside the V-shaped pressure frame 9. The adjusting plate 12 is fixed in different round holes 10 of the V-shaped pressure frame 9 by fixing screws 11. The cutting length is controlled by adjusting its position.

[0033] After cutting is completed, the electric push rod 7 lifts the V-shaped pressure frame 9 to release the clamping, and the drive motor 21 starts again, sending the cut pipe material out through the discharge V-shaped guide frame 2, while new pipe material continues to be fed into the cutting station.

[0034] Furthermore, the adjustment assembly includes multiple round holes 10 on both sides of the V-shaped pressure frame 9, and each of the two corresponding round holes 10 is provided with a fixing screw 11. An adjustment plate 12 is threadedly connected between the two fixing screws 11 and located between the inner walls of the V-shaped pressure frame 9.

[0035] When it is necessary to adjust the cutting length, first remove the two fixing screws 11, then move the position of the adjusting plate 12. When it is adjusted to the required position, fix the position of the adjusting plate 12 again with the fixing screws 11.

[0036] In this utility model, a plurality of insertion holes 22 are provided on the top outer wall of the bracket 3 and on one side of the slide 4. A fixing block 23 is fixedly connected to one side of the slide table 5 by bolts. A through hole is provided on the fixing block 23, and a fixing pin 24 that is used to cooperate with the insertion hole 22 is slidably connected in the through hole.

[0037] In use, pull out the fixing pin 24 and move the slide 5 along the slide 4. When it moves to the required position, insert the fixing pin 24 into the socket 22 of the bracket 3 to lock the position of the slide 5 and prevent vibration from causing displacement during cutting.

[0038] In this utility model, multiple clearance openings 18 are provided on both side walls of the V-shaped guide frame 2. Side plates 19 are fixedly connected to the side walls of the V-shaped guide frame 2 and on both sides of the clearance openings 18 by bolts. A conveying roller 20 is rotatably connected between the two side plates 19 by a bearing seat. A drive motor 21 that causes one of the conveying rollers 20 to rotate axially is connected to one of the side plates 19 by a bolt fixing plate.

[0039] It should be noted that the drive motor 21 is existing technology, which is a servo motor with an encoder. The number of rotations and rotation angle of the motor output shaft are controllable and have high precision. Those skilled in the art can set it according to actual needs, which will not be elaborated here.

[0040] Automatic feeding and discharging are achieved by driving the conveyor roller 20 through the drive motor 21. The electric push rod 7 and the ball screw linear module 15 are linked to control the clamping and cutting process. With the automatic unloading of the worktable square opening 6, the single cycle operation time is significantly reduced, making it suitable for mass production.

[0041] The upper surface of the T-shaped frame 8 is fixedly connected with multiple guide rods 13 by bolts, and the top ends of the multiple guide rods 13 pass through the top wall of the slide table 5 and are slidably connected to the slide table 5.

[0042] Among them, a square opening 6 is provided on the workbench 1 between the two V-shaped guide frames 2 to avoid the cutting blade 17.

[0043] The use of this utility model involves the following steps: S1: First, place the tube on the feeding V-shaped guide frame 2. Drive the motor 21 to drive the conveying roller 20 to rotate, pushing the tube along the V-shaped guide frame 2 towards the discharge direction. The tube passes through the cutting area below the bracket 3 until the front end abuts against the adjusting plate 12 inside the V-shaped pressure frame 9. The adjusting plate 12 is fixed in different round holes 10 of the V-shaped pressure frame 9 by fixing screws 11. The cutting length is controlled by adjusting its position. S2: Then the pipe material is pressed, the electric push rod 7 is started to push the T-shaped frame 8 and the V-shaped pressure frame 9 downward. The V-shaped pressure frame 9 presses the upper surface of the pipe material, while the guide rod 13 slides along the slide table 5 to ensure that the pressing process is smooth and without deviation. S3: When cutting, start the ball screw linear module 15 to drive the tool holder 16 to move horizontally, and drive the triangular cutter 17 to cut into the tube radially. The triangular cutting edge of the cutter 17 concentrates stress and efficiently cuts the tube. The waste generated by cutting falls through the square opening 6 of the worktable 1. S4: After cutting is completed, the electric push rod 7 lifts the V-shaped pressure frame 9 to release the clamping, and the drive motor 21 starts again to send the cut pipe material out through the discharge V-shaped guide frame 2. At the same time, new pipe material continues to be fed into the cutting station. S5: When it is necessary to adjust the cutting length, first pull out the fixing pin 24 and move the slide 5 along the slide 4. When it moves to the required position, insert the fixing pin 24 into the socket 22 of the bracket 3 to lock the position of the slide 5 and prevent vibration during cutting from causing displacement. At the same time, remove the two fixing screws 11. Then move the position of the adjustment plate 12. When it is adjusted to the required position, fix the position of the adjustment plate 12 again with the fixing screws 11.

[0044] Finally, the following points should be noted: In the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly, and can be mechanical or electrical connection, or internal connection between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may change. The electronic components and modules used in this utility model can all be parts that are commonly used in the market and can achieve the specific functions in this case. The specific models and sizes can be selected and adjusted according to actual needs. The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

Claims

1. A fixed-length cutting device for automotive ventilation pipes, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly connected to two V-shaped guide frames (2) for feeding and discharging respectively. A bracket (3) is fixedly connected to the upper surface of the workbench (1) and above the discharging V-shaped guide frame (2). A sliding opening (4) is provided on the bracket (3). A slide table (5) is slidably connected in the sliding opening (4). An electric push rod (7) is fixedly connected to the upper surface of the slide table (5). A T-shaped frame (8) is fixedly connected to the output end of the electric push rod (7) through the slide table (5). A cutting component for cutting the tube is provided on one side of the bracket (3) and between the two V-shaped guide frames (2). A plug-in component for adjusting the cutting length is provided between the bracket (3) and the slide table (5).

2. The automobile ventilation pipe length cutting device according to claim 1, characterized in that: The T-shaped frame (8) is fixedly connected to a V-shaped pressure frame (9) for pressing and fixing the pipe material. The V-shaped pressure frame (9) is provided with an adjustment component for adjusting the cutting length.

3. The automobile ventilation pipe length cutting device according to claim 2, characterized in that: The adjustment assembly includes multiple round holes (10) on both sides of the V-shaped pressure frame (9), and each of the two corresponding round holes (10) is provided with a fixing screw (11). An adjustment plate (12) is threaded between the two fixing screws (11) and located between the inner walls of the V-shaped pressure frame (9).

4. The automobile ventilation pipe fixed-length cutting device according to claim 1, characterized in that: The plug-in assembly includes multiple insertion holes (22) on the top outer wall of the bracket (3) and located on one side of the slide (4). A fixing block (23) is fixedly connected to one side of the slide (5). A through hole is provided on the fixing block (23), and a fixing pin (24) that cooperates with the insertion hole (22) is slidably connected in the through hole.

5. The automobile ventilation pipe fixed-length cutting device according to claim 1, characterized in that: The cutting assembly includes a fixed frame (14) fixedly connected to one side of the bracket (3), a ball screw linear module (15) fixedly connected to the lower surface of the fixed frame (14), a knife holder (16) fixedly connected to the mover of the ball screw linear module (15), and a triangular cutter (17) fixedly connected above the knife holder (16).

6. The automobile ventilation pipe fixed-length cutting device according to claim 1, characterized in that: Multiple clearance openings (18) are provided on both side walls of the V-shaped guide frame (2). Side plates (19) are fixedly connected to the side walls of the V-shaped guide frame (2) and to both sides of the clearance openings (18). A conveyor roller (20) is rotatably connected between the two side plates (19) through a bearing seat. A drive motor (21) that causes one of the conveyor rollers (20) to rotate axially is connected to one of the side plates (19) through a bolt fixing plate.

7. The automobile ventilation pipe length cutting device according to claim 1, characterized in that: The upper surface of the T-shaped frame (8) is fixedly connected with multiple guide rods (13), and the top ends of the multiple guide rods (13) pass through the top wall of the slide table (5) and are slidably connected to the slide table (5).

8. The automobile ventilation pipe length cutting device according to claim 1, characterized in that: A square opening (6) is provided on the workbench (1) between the two V-shaped guide frames (2) to avoid the cutting blade (17).

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