A frame tube inner diameter processing device

Abstract

The utility model belongs to the technical field of frame machining equipment discloses a kind of frame middle pipe inner diameter processing device.The frame middle pipe inner diameter processing device includes the positioning clamping mechanism and processing mechanism sequentially arranged from top to bottom, and positioning clamping mechanism is used to clamp the middle pipe to be processed, positioning clamping mechanism can be close to or away from processing mechanism along first direction;Processing mechanism includes reamer, water slide ring, water tank and processing driving part, processing driving part is used to drive reamer rotation, so that reamer can process the middle pipe to be processed, reamer extends along first direction, reamer is hollowly arranged, water tank is used to contain cleaning fluid, the end of reamer away from positioning clamping mechanism can be connected with water tank internal pipeline by water slide ring, so that cleaning fluid can flow out from the end of reamer close to positioning clamping mechanism, to realize high-precision processing to frame middle pipe inner diameter, improve processing efficiency, reduce chip residue, and avoid thin-walled pipe fittings deformation in processing process.

Description

Technical Field

[0001] This utility model relates to the field of vehicle frame processing equipment technology, and in particular to a device for processing the inner diameter of the tube in a vehicle frame. Background Technology

[0002] In the manufacturing process of a vehicle frame, the center tube, as a crucial component, directly affects the assembly quality and overall performance of the frame. Currently, the industry primarily uses traditional lathe machining methods to process the inner diameter of the center tube. This type of equipment mainly uses a chuck to hold the center tube and then a cutting tool to cut the inner wall of the tube.

[0003] However, traditional machining methods have significant drawbacks. On the one hand, chuck clamping can easily cause radial deformation of the frame tube, especially for thin-walled frame tubes. This deformation directly affects the machining accuracy of the inner diameter, making it difficult to meet the requirements of high-precision assembly. On the other hand, traditional equipment requires frequent manual adjustments to the tool position and machining parameters, resulting in low machining efficiency and significant human error, leading to poor consistency in the inner diameter dimensions of frame tubes processed in the same batch. Furthermore, traditional machining devices lack effective chip collection mechanisms, causing metal chips generated during machining to easily remain on the inner wall of the tube or scatter inside the equipment, affecting machining quality, shortening equipment lifespan, and increasing maintenance costs. Utility Model Content

[0004] The purpose of this utility model is to provide a device for machining the inner diameter of the frame tube. This device can achieve high-precision machining of the inner diameter of the frame tube, improve machining efficiency, reduce debris residue, and prevent deformation of thin-walled tubes during machining.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A device for machining the inner diameter of a vehicle frame tube is provided, comprising a positioning and clamping mechanism and a machining mechanism arranged sequentially from top to bottom. The positioning and clamping mechanism is used to clamp the tube to be machined and can move closer to or further away from the machining mechanism along a first direction. The machining mechanism includes a reamer, a water lubricating ring, a water tank, and a machining drive component. The machining drive component is used to drive the reamer to rotate so that the reamer can machine the tube to be machined. The reamer extends along the first direction and is hollow. The water tank is used to contain cleaning fluid. The end of the reamer away from the positioning and clamping mechanism can be connected to an internal pipe of the water tank through the water lubricating ring so that the cleaning fluid can flow out from the end of the reamer closer to the positioning and clamping mechanism.

[0007] Preferably, a cleaning component is provided at the end of the reamer near the positioning and clamping mechanism.

[0008] Preferably, the cleaning component is a spring, which is capable of extending and contracting in a first direction.

[0009] Preferably, the top plate of the water tank is provided with a collection trough for collecting processing debris, and the bottom plate of the collection trough is provided with filter holes that are connected to the inside of the water tank.

[0010] Preferably, the positioning and clamping mechanism includes a fixed rod, a fixed plate, a first clamping assembly, a first driving assembly, and a second driving assembly. The fixed rod is used to pass through the fixed hole of the tube to be processed. The first driving assembly can drive the fixed rod to move along a first direction. The first clamping assembly is used to clamp the tube to be processed. The first driving assembly and the first clamping assembly are fixedly connected to the fixed plate from top to bottom. The second driving assembly can drive the fixed plate to move along the first direction.

[0011] Preferably, the positioning and clamping mechanism further includes a second clamping component and a third driving component. The second clamping component is used to clamp the tube to be processed and is disposed between the fixed rod and the first clamping component. The third driving component can drive the second clamping component to move along the first direction and is fixedly connected to the fixed plate.

[0012] Preferably, the first drive assembly includes a first drive motor, a first lead screw, and a first nut. The positioning and clamping assembly also includes a movable plate, a fixed rod perpendicular to the movable plate and fixedly connected to the movable plate, the first drive motor fixedly connected to the fixed plate, the output end of the first drive motor being drivenly connected to the first lead screw, the first lead screw extending along a first direction and screwed to the first nut, the first nut being configured to reciprocate linearly along the first direction, and the first nut being fixedly connected to the movable plate.

[0013] And / or, the second drive assembly includes a second drive motor, a second lead screw and a second nut, the output end of the second drive motor is drivenly connected to the second lead screw, the second lead screw extends along a first direction and is screwed to the second nut, the second nut is configured to reciprocate linearly along the first direction, and the second nut is fixedly connected to the fixed plate;

[0014] And / or, the third drive assembly includes a third drive motor, a third lead screw, and a third nut. The third drive motor is fixedly connected to the fixed plate, and the output end of the third drive motor is drivenly connected to the third lead screw. The third lead screw and the first lead screw are arranged parallel to each other along the second direction and spaced apart. The third lead screw is screwed to the third nut. The third nut is configured to reciprocate linearly along the first direction. The third nut is fixedly connected to the second clamping assembly. The first direction and the second direction are perpendicular to each other.

[0015] Preferably, the frame tube inner diameter processing device further includes a first slide rail, a first slider and a second slider. The first slide rail extends along a first direction and is fixedly connected to the first surface of the fixed plate. The first slider and the second slider are both slidably connected to the first slide rail. The first slider is fixedly connected to the movable plate and the second slider is fixedly connected to the second clamping assembly.

[0016] And / or, the frame tube inner diameter processing device further includes a second slide rail and a third slider, the second slide rail extending along a first direction, the third slider being slidably connected to the first slide rail, one of the second slide rail and the third slider being fixedly connected to the second side of the fixed plate, and the other of the second slide rail and the third slider being used for fixed connection with the frame.

[0017] Preferably, the first clamping assembly includes a first cylinder, a first connecting plate, and two first clamping blocks disposed opposite to each other. The first connecting plate is fixedly connected to a fixed plate, the first cylinder is fixedly connected to the first connecting plate, and the two first clamping blocks are disposed on opposite sides of the reamer along the second direction. One first clamping block is drivenly connected to the first cylinder and can slide relative to the first connecting plate along the second direction, while the other first clamping block is fixedly connected to the first connecting plate.

[0018] And / or, the second clamping assembly includes a second cylinder, a second connecting plate, and two second clamping blocks disposed opposite to each other. The second connecting plate is fixedly connected to a third nut, the second cylinder is fixedly connected to the second connecting plate, and the two second clamping blocks are disposed on opposite sides of the reamer along a second direction. One second clamping block is throttle-connected to the second cylinder and can slide relative to the second connecting plate along a second direction, while the other second clamping block is fixedly connected to the second connecting plate.

[0019] Preferably, the first clamping block has a first clamping surface that contacts the tube to be processed, and the first clamping surface is arc-shaped.

[0020] And / or, the second clamping block has a second clamping surface that contacts the tube to be processed, and the second clamping surface is arc-shaped.

[0021] The beneficial effects of this utility model are as follows:

[0022] This utility model provides a device for machining the inner diameter of a vehicle frame tube, including a positioning and clamping mechanism and a machining mechanism arranged sequentially from top to bottom. The positioning and clamping mechanism is used to clamp the tube to be machined and can move closer to or further away from the machining mechanism along a first direction. The machining mechanism includes a reamer, a water lubricating ring, a water tank, and a machining drive component. The machining drive component is used to drive the reamer to rotate so that the reamer can machine the tube to be machined. The reamer extends along the first direction and is hollow. The water tank is used to contain cleaning fluid. The end of the reamer away from the positioning and clamping mechanism can be connected to the internal pipe of the water tank through the water lubricating ring so that the cleaning fluid can flow out from the end of the reamer closer to the positioning and clamping mechanism.

[0023] On the one hand, by setting up a positioning and clamping mechanism, the center tube can be positioned and clamped more accurately, reducing the radial deformation of the frame center tube caused by uneven clamping force. Especially for thin-walled frame center tubes, it can better ensure the machining accuracy of their inner diameter and meet the requirements of high-precision assembly. At the same time, the reamer extends along the first direction, and the positioning and clamping mechanism can move closer to or further away from the machining mechanism along the first direction. After the center tube to be processed is clamped in the positioning and clamping mechanism, there is no need to manually adjust the relative position of the reamer and the center tube to be processed, which improves the machining efficiency.

[0024] On the other hand, the cleaning fluid in the water tank is connected to the internal pipe of the reamer through the water slip ring, and can flow out from the end of the reamer near the positioning and clamping mechanism. During the processing, the processing part can be rinsed in time to wash away the generated metal chips, preventing the chips from remaining on the inner wall of the pipe or falling into the equipment. This not only ensures the processing quality, but also reduces the damage of chips to the equipment, extends the service life of the equipment, and reduces the maintenance cost of the equipment. Attached Figure Description

[0025] Figure 1 This is a first-view structural schematic diagram of the frame tube inner diameter machining device provided by this utility model;

[0026] Figure 2 This is a second-view structural schematic diagram of the frame tube inner diameter processing device provided by this utility model.

[0027] In the diagram: 1. Reamer; 2. Water slide ring; 3. Machining drive component; 4. Water tank; 5. Spring; 6. Collection trough; 7. Fixing rod; 8. Fixing plate; 9. First drive motor; 10. First lead screw; 11. First nut; 12. Movable plate; 13. Second drive motor; 14. Second lead screw; 15. Second nut; 16. Third drive motor; 17. Third lead screw; 18. Third nut; 19. First slide rail; 20. First slider; 21. Second slider; 22. Second slide rail; 23. Third slider; 24. First cylinder; 25. First connecting plate; 26. First clamping block; 27. Second cylinder; 28. Second connecting plate; 29. ​​Second clamping block; 30. Reducer. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0029] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0032] Please refer to Figure 1 and Figure 2 This embodiment provides a device for machining the inner diameter of a vehicle frame tube, including a positioning and clamping mechanism and a machining mechanism arranged sequentially from top to bottom. The positioning and clamping mechanism is used to clamp the tube to be machined and can move closer to or further away from the machining mechanism along a first direction. The machining mechanism includes a reamer 1, a hydroplaning ring 2, a water tank 4, and a machining drive 3. The machining drive 3 is used to drive the reamer 1 to rotate so that the reamer 1 can machine the tube to be machined. The reamer 1 extends along the first direction and is hollow. The water tank 4 is used to contain cleaning fluid. The end of the reamer 1 away from the positioning and clamping mechanism can be connected to the internal pipe of the water tank 4 through the hydroplaning ring 2 so that the cleaning fluid can flow out from the end of the reamer 1 closer to the positioning and clamping mechanism. Specifically, the machining drive 3 is a drive motor.

[0033] On the one hand, by setting up a positioning and clamping mechanism, the center tube can be positioned and clamped more accurately, reducing the radial deformation of the frame center tube caused by uneven clamping force. Especially for thin-walled frame center tubes, it can better ensure the machining accuracy of their inner diameter and meet the requirements of high-precision assembly. At the same time, the reamer 1 extends along the first direction, and the positioning and clamping mechanism can move closer to or further away from the machining mechanism along the first direction. After the center tube to be processed is clamped in the positioning and clamping mechanism, there is no need to manually adjust the relative position of the reamer 1 and the center tube to be processed, which improves the machining efficiency.

[0034] On the other hand, the cleaning fluid in the water tank 4 is connected to the internal pipe of the reamer 1 through the water slip ring 2, and can flow out from the end of the reamer 1 near the positioning and clamping mechanism. During the processing, the processing part can be rinsed in time to wash away the generated metal chips, preventing the chips from remaining on the inner wall of the pipe or falling into the equipment. This not only ensures the processing quality, but also reduces the damage of chips to the equipment, extends the service life of the equipment, and reduces the maintenance cost of the equipment.

[0035] Optionally, a cleaning component is provided at one end of the reamer 1 near the positioning and clamping mechanism. With this configuration, during the machining of the inner diameter of the tube by the reamer 1, the cleaning component can extend into the tube to further clean the machining debris inside, preventing debris from remaining on the inner wall of the tube or falling into the equipment.

[0036] Preferably, the cleaning component is a spring 5, which is capable of extending and retracting in a first direction. On the one hand, when the reamer 1 is inserted into the middle tube, the spring 5 will elastically contract in the first direction due to the obstruction at the tube end, reducing the insertion resistance, avoiding jamming or collision damage to the tube end, and ensuring that the reamer 1 is smoothly positioned; on the other hand, the spiral shape of the spring 5 is similar to the structure of spiral machining debris, and during the retraction process, the debris is easily wrapped in the spiral gap of the spring 5 and directly carried out of the tube, achieving a more thorough cleaning.

[0037] Optionally, the top plate of the water tank 4 is provided with a collection tank 6 for collecting processing debris. The bottom plate of the collection tank 6 is provided with filter holes, which are connected to the interior of the water tank 4. With this configuration, cleaning fluid containing processing debris can flow into the collection tank 6 and can enter the water tank 4 through the filter holes for recycling. Because the processing debris is larger than the diameter of the filter holes, it is intercepted in the collection tank 6 and collected in a concentrated manner to prevent the debris from spreading.

[0038] Optionally, the positioning and clamping mechanism includes a fixed rod 7, a fixed plate 8, a first clamping assembly, a first driving assembly, and a second driving assembly. The fixed rod 7 is inserted into the fixed hole of the tube to be processed. The first driving assembly can drive the fixed rod 7 to move along a first direction. The first clamping assembly is used to clamp the tube to be processed. The first driving assembly and the first clamping assembly are fixedly connected to the fixed plate 8 from top to bottom. The second driving assembly can drive the fixed plate 8 to move along the first direction. With this configuration, on the one hand, the fixed rod 7 is inserted into the fixed hole of the tube to be processed, providing a positioning reference for the tube and ensuring that the axis of the tube is completely coincident with the axis of the reamer 1, avoiding eccentricity of the tube during processing and directly ensuring the coaxiality accuracy of the inner diameter processing. On the other hand, by setting the first driving assembly and the second driving assembly, the distance between the fixed rod 7 and the first clamping assembly along the first direction is adjustable to accommodate tubes of different lengths to be processed, improving the versatility of the device.

[0039] Specifically, the first drive assembly includes a first drive motor 9, a first lead screw 10, and a first nut 11. The positioning and clamping assembly also includes a movable plate 12. A fixed rod 7 is perpendicular to the movable plate 12 and fixedly connected to the movable plate 12. The first drive motor 9 is fixedly connected to the fixed plate 8. The output end of the first drive motor 9 is drivenly connected to the first lead screw 10. The first lead screw 10 extends along a first direction and is screwed to the first nut 11. The first nut 11 is configured to reciprocate linearly along the first direction and is fixedly connected to the movable plate 12. And / or, the second drive assembly includes a second drive motor 13, a second lead screw 14, and a second nut 15. The output end of the second drive motor 13 is drivenly connected to the second lead screw 14. The second lead screw 14 extends along the first direction and is screwed to the second nut 15. The second nut 15 is configured to reciprocate linearly along the first direction and is fixedly connected to the fixed plate 8. The first direction and the second direction are perpendicular to each other. The screw and nut structure allows the motor's rotary motion to be converted into linear motion with high precision and efficiency, ensuring machining accuracy.

[0040] Furthermore, the positioning and clamping mechanism also includes a second clamping assembly and a third driving assembly. The second clamping assembly is used to clamp the tube to be processed and is located between the fixed rod 7 and the first clamping assembly. The third driving assembly can drive the second clamping assembly to move along the first direction and is fixedly connected to the fixed plate 8. By having the first and second clamping assemblies jointly clamp the tube to be processed, on the one hand, for long tubes, relying solely on a single clamping point at the bottom is prone to sagging in the middle or shaking during processing. The additional clamping point in the middle can effectively support the middle of the tube, ensuring the parallelism of the tube as a whole with the processing axis and avoiding processing deviations caused by tube shaking. On the other hand, by setting multiple clamping assemblies, the pressure of a single clamping assembly is distributed, reducing the risk of radial deformation.

[0041] Specifically, the third drive assembly includes a third drive motor 16, a third lead screw 17, and a third nut 18. The third drive motor 16 is fixedly connected to the fixed plate 8, and its output end is drivenly connected to the third lead screw 17. The third lead screw 17 and the first lead screw 10 are arranged parallel to each other along the second direction and are spaced apart. The third lead screw 17 is screwed to the third nut 18, which is configured to reciprocate linearly along the first direction. The third nut 18 is fixedly connected to the second clamping assembly. Through the cooperation of the lead screw and nut structure, the rotational motion of the motor is converted into linear motion with high precision and efficiency, ensuring machining accuracy.

[0042] Optionally, the frame tube inner diameter processing device further includes a first slide rail 19, a first slider 20 and a second slider 21. The first slide rail 19 extends along a first direction and is fixedly connected to the first surface of the fixed plate 8. The first slider 20 and the second slider 21 are both slidably connected to the first slide rail 19. The first slider 20 is fixedly connected to the movable plate 12 and the second slider 21 is fixedly connected to the second clamping assembly.

[0043] And / or, the inner diameter processing device for the tube in the frame also includes a second slide rail 22 and a third slider 23. The second slide rail 22 extends along a first direction, and the third slider 23 is slidably connected to the first slide rail 19. One of the second slide rail 22 and the third slider 23 is fixedly connected to the second side of the fixing plate 8, and the other of the second slide rail 22 and the third slider 23 is used for fixed connection with the frame.

[0044] With this configuration, on the one hand, the second slide rail 22 extends along the first direction, and the third slider 23 slides in conjunction with the slide rail. Both are fixed to the second surface of the fixed plate 8 and the frame respectively, forming a moving track for the fixed plate 8. When the second drive assembly moves the fixed plate 8 as a whole (e.g., to align the tube to be processed with the reamer 1 and perform machining feed), the slide rail slider forces the fixed plate 8 to move only in a straight line along the first direction, eliminating swaying and tilting during the feed process. On the other hand, during machining feed, the high-precision guidance of the slide rail slider ensures that the tube moves smoothly along the axis of the reamer 1, avoiding inner diameter deviations or inner wall scratches caused by feed offset. Simultaneously, stable feed motion reduces machining vibration, lowers reamer 1 wear, and extends tool life.

[0045] The first slide rail 19, the first slider 20, and the second slider 21 further provide support and guidance for the second clamping assembly and the fixing rod 7, improving the positioning accuracy during the assembly of the tube to be processed; the second slide rail 22 and the third slider 23 provide support and guidance for the sliding of the fixing plate 8, improving the stability and accuracy of the processing feed.

[0046] Optionally, the first clamping assembly includes a first cylinder 24, a first connecting plate 25, and two opposing first clamping blocks 26. The first connecting plate 25 is fixedly connected to the fixed plate 8, the first cylinder 24 is fixedly connected to the first connecting plate 25, and the two first clamping blocks 26 are disposed on opposite sides of the reamer 1 along the second direction. One first clamping block 26 is throttle-connected to the first cylinder 24 and can slide relative to the first connecting plate 25 along the second direction, while the other first clamping block 26 is fixedly connected to the first connecting plate 25. Alternatively, the second clamping assembly includes a second cylinder 27, a second connecting plate 28, and two opposing second clamping blocks 29. The second connecting plate 28 is fixedly connected to the third nut 18, the second cylinder 27 is fixedly connected to the second connecting plate 28, and the two second clamping blocks 29 are disposed on opposite sides of the reamer 1 along the second direction. One second clamping block 29 is throttle-connected to the second cylinder 27 and can slide relative to the second connecting plate 28 along the second direction, while the other second clamping block 29 is fixedly connected to the second connecting plate 28.

[0047] With this configuration, the first clamping block 26 and the second clamping block 29 can be flexibly adjusted by controlling the stroke and air pressure of the cylinder to adapt to the processing of medium tubes with different outer diameters, eliminating the need for frequent clamping block replacements and improving the versatility of the device.

[0048] Optionally, the first clamping block 26 has a first clamping surface that contacts the tube to be processed, and the first clamping surface is arc-shaped; and / or, the second clamping block 29 has a second clamping surface that contacts the tube to be processed, and the second clamping surface is arc-shaped.

[0049] This configuration, by setting an arc-shaped clamping surface, makes the first clamping block 26 and / or the second clamping block 29 fit more closely to the outer wall of the tube to be processed, increasing the clamping contact area and further improving the clamping stability while avoiding scratching the surface of the tube.

[0050] Understandably, reducers 30 are connected to the first drive motor 9 and the first lead screw 10, the second drive motor 13 and the second lead screw 14, the third drive motor 16 and the third lead screw 17, and the machining drive component 3 and the reamer 1 to achieve speed reduction and torque increase. On the one hand, this ensures that the positioning and clamping mechanism has sufficient force to overcome cutting resistance and push the tube feed. On the other hand, there may be slight speed fluctuations when the motor is running. After the speed is reduced by the gears of the reducer 30, the fluctuations are greatly reduced, making the output speed more stable, thereby reducing the deviation in movement position caused by speed fluctuations and ensuring the machining accuracy of the tube.

[0051] Further, please refer to Figure 1The machining drive component 3 is located at the rear of the water tank 4 and is connected to the reducer 30 via a synchronous belt. The machining drive component 3 is relatively large; its location at the rear of the water tank 4 keeps it away from the central tube machining area, avoiding spatial interference with the moving positioning and clamping mechanism, the central tube, or the reamer 1, thus reserving ample space for the core machining components. Furthermore, the rear of the water tank 4 is typically a non-core operating area; placing the drive component there fully utilizes the unused space, making the overall device structure more compact and reducing the equipment's footprint, making it particularly suitable for the dense layout requirements of workshop production lines.

[0052] Please refer to Figure 1 and Figure 2 The working principle of using this frame center tube inner diameter machining device to process the inner diameter of the frame center tube is as follows:

[0053] First, the fixing rod 7 is inserted into the fixing hole at the end of the tube to be processed. The first drive assembly, the second drive assembly, and the third drive assembly are controlled to move the fixing rod 7, the first clamping assembly, and the second clamping assembly to a suitable position along the first direction. Next, the first cylinder 24 and the second cylinder 27 are controlled to drive the first clamping block 26 and the second clamping block 29 to clamp the tube to be processed, respectively. Then, the processing drive 3 is started to rotate the reamer 1. At the same time, the pipeline between the reamer 1 and the water tank 4 is connected to allow the cleaning fluid to flow out. The fixing plate 8 is controlled to move towards the reamer 1 through the second drive assembly. The second drive assembly drives the entire positioning and clamping machine. The reamer 1 moves along the second slide rail 22 toward the machining mechanism, causing the reamer 1 to rotate and extend into the reamer 1 under the drive of the machining drive 3 to machine the inner diameter. While the reamer 1 is rotating and cutting, the cleaning fluid in the water tank 4 enters the hollow reamer 1 through the water slide ring 2 and flows out from the cutter head to wash away the machining debris in real time. The spring 5 cleaning component at the end of the reamer 1 extends in with the reamer 1, elastically adhering to the inner wall to scrape away stubborn debris. When the reamer retracts, the spiral structure wraps around the debris and carries it out. At the same time, the washed debris flows into the collection tank 6 on the top plate of the water tank 4 with the cleaning fluid. The liquid flows back into the water tank 4 through the filter hole for recycling. The debris is intercepted in the collection tank 6 for easy periodic cleaning.

[0054] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A device for machining the inner diameter of a vehicle frame tube, characterized in that, include: The positioning and clamping mechanism and the processing mechanism are arranged sequentially from top to bottom. The positioning and clamping mechanism is used to clamp the tube to be processed. The positioning and clamping mechanism can move closer to or away from the processing mechanism along a first direction. The processing mechanism includes a reamer (1), a water lubricating ring (2), a water tank (4), and a processing drive (3). The processing drive (3) is used to drive the reamer (1) to rotate so that the reamer (1) can process the tube to be processed. The reamer (1) extends along the first direction and is hollow. The water tank (4) is used to contain cleaning fluid. The end of the reamer (1) away from the positioning and clamping mechanism can be connected to the internal pipe of the water tank (4) through the water lubricating ring (2) so that the cleaning fluid can flow out from the end of the reamer (1) close to the positioning and clamping mechanism.

2. The frame tube inner diameter machining device according to claim 1, characterized in that, The reamer (1) has a cleaning component at one end near the positioning and clamping mechanism.

3. The frame tube inner diameter machining device according to claim 2, characterized in that, The cleaning component is a spring (5), which is capable of extending and retracting along the first direction.

4. The frame tube inner diameter machining device according to claim 3, characterized in that, The top plate of the water tank (4) is provided with a collection trough (6), which is used to collect processing debris. The bottom plate of the collection trough (6) is provided with a filter hole, which is connected to the inside of the water tank (4).

5. The apparatus for machining the inner diameter of the frame tube according to any one of claims 1-4, characterized in that, The positioning and clamping mechanism includes a fixed rod (7), a fixed plate (8), a first clamping assembly, a first driving assembly, and a second driving assembly. The fixed rod (7) is used to pass through the fixed hole of the tube to be processed. The first driving assembly can drive the fixed rod (7) to move along the first direction. The first clamping assembly is used to clamp the tube to be processed. The first driving assembly and the first clamping assembly are fixedly connected to the fixed plate (8) from top to bottom. The second driving assembly can drive the fixed plate (8) to move along the first direction.

6. The frame tube inner diameter machining device according to claim 5, characterized in that, The positioning and clamping mechanism further includes a second clamping component and a third driving component. The second clamping component is used to clamp the tube to be processed. The second clamping component is disposed between the fixed rod (7) and the first clamping component. The third driving component can drive the second clamping component to move along the first direction. The third driving component is fixedly connected to the fixed plate (8).

7. The frame tube inner diameter machining device according to claim 6, characterized in that, The first drive assembly includes a first drive motor (9), a first lead screw (10), and a first nut (11). The positioning and clamping mechanism also includes a movable plate (12). The fixed rod (7) is perpendicular to the movable plate (12) and fixedly connected to the movable plate (12). The first drive motor (9) is fixedly connected to the fixed plate (8). The output end of the first drive motor (9) is drivenly connected to the first lead screw (10). The first lead screw (10) extends along the first direction and is screwed to the first nut (11). The first nut (11) is configured to reciprocate linearly along the first direction. The first nut (11) is fixedly connected to the movable plate (12). And / or, the second drive assembly includes a second drive motor (13), a second lead screw (14), and a second nut (15), the output end of the second drive motor (13) being drivenly connected to the second lead screw (14), the second lead screw (14) extending along the first direction, and the second lead screw (14) being screwed to the second nut (15), the second nut (15) being configured to reciprocate linearly along the first direction, and the second nut (15) being fixedly connected to the fixing plate (8); And / or, the third drive assembly includes a third drive motor (16), a third lead screw (17), and a third nut (18). The third drive motor (16) is fixedly connected to the fixed plate (8). The output end of the third drive motor (16) is drivenly connected to the third lead screw (17). The third lead screw (17) and the first lead screw (10) are arranged parallel to each other along the second direction and the third lead screw (17) is screwed to the third nut (18). The third nut (18) is configured to reciprocate linearly along the first direction. The third nut (18) is fixedly connected to the second clamping assembly. The first direction and the second direction are perpendicular to each other.

8. The frame tube inner diameter machining device according to claim 7, characterized in that, The frame tube inner diameter processing device further includes a first slide rail (19), a first slider (20), and a second slider (21). The first slide rail (19) extends along the first direction and is fixedly connected to the first surface of the fixed plate (8). The first slider (20) and the second slider (21) are both slidably connected to the first slide rail (19). The first slider (20) is fixedly connected to the movable plate (12), and the second slider (21) is fixedly connected to the second clamping assembly. And / or, the inner diameter processing device for the tube in the frame further includes a second slide rail (22) and a third slider (23), the second slide rail (22) extending along the first direction, the third slider (23) being slidably connected to the first slide rail (19), one of the second slide rail (22) and the third slider (23) being fixedly connected to the second side of the fixing plate (8), and the other of the second slide rail (22) and the third slider (23) being used for fixed connection with the frame.

9. The frame tube inner diameter machining device according to claim 8, characterized in that, The first clamping assembly includes a first cylinder (24), a first connecting plate (25), and two first clamping blocks (26) arranged opposite to each other. The first connecting plate (25) is fixedly connected to the fixed plate (8), the first cylinder (24) is fixedly connected to the first connecting plate (25), and the two first clamping blocks (26) are arranged on opposite sides of the reamer (1) along the second direction. One first clamping block (26) is drivenly connected to the first cylinder (24) and can slide relative to the first connecting plate (25) along the second direction. The other first clamping block (26) is fixedly connected to the first connecting plate (25). And / or, the second clamping assembly includes a second cylinder (27), a second connecting plate (28), and two opposing second clamping blocks (29). The second connecting plate (28) is fixedly connected to the third nut (18), the second cylinder (27) is fixedly connected to the second connecting plate (28), and the two second clamping blocks (29) are disposed on opposite sides of the reamer (1) along the second direction. One second clamping block (29) is kinetically connected to the second cylinder (27) and can slide relative to the second connecting plate (28) along the second direction. The other second clamping block (29) is fixedly connected to the second connecting plate (28).

10. The frame tube inner diameter machining device according to claim 9, characterized in that, The first clamping block (26) has a first clamping surface that contacts the tube to be processed, and the first clamping surface is arc-shaped; And / or, the second clamping block (29) has a second clamping surface that contacts the tube to be processed, and the second clamping surface is arc-shaped.

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