Aluminum alloy pipe inner wall polishing machine

By designing an aluminum alloy tube inner wall polishing machine and adopting automated polishing technology, the problem of low efficiency of manual operation has been solved, achieving a highly efficient inner wall polishing effect, and adapting to aluminum alloy tubes of different diameters.

CN223589083UActive Publication Date: 2025-11-25YICHANG ZHONGNAN PRECISE STEEL TUBE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423252192.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-25
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The existing polishing process for the inner wall of aluminum alloy tubes mainly relies on manual operation, resulting in low efficiency and failing to meet the needs of large-scale production.

Method used

Design an aluminum alloy tube inner wall polishing machine, which adopts an active long shaft assembly, a driven long shaft assembly, an inner wall grinding assembly and a drive mechanism to achieve automated polishing, including rotation drive, grinding assembly movement and clamping mechanism, to ensure polishing quality and efficiency.

Benefits of technology

It enables automatic polishing of the inner wall of aluminum alloy tubes, replacing manual operation, improving polishing efficiency, while ensuring polishing quality and adapting to aluminum alloy tubes of different diameters.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223589083U_ABST
    Figure CN223589083U_ABST
Patent Text Reader

Abstract

The utility model provides an aluminum alloy pipe inner wall polishing machine which comprises a foundation frame, a driving long shaft rod assembly used for driving an aluminum alloy pipe to rotate is installed on one side of the top of the foundation frame, and a driven long shaft rod assembly is arranged on the side edge of the driving long shaft rod assembly in parallel. The driving long shaft rod assembly is connected with a rotating power device through a chain transmission mechanism, a transverse sliding rail is installed on the other side of the top of the foundation frame in parallel, and an inner wall grinding assembly is installed on the transverse sliding rail in a sliding mode and connected with a lead screw transmission mechanism driving the inner wall grinding assembly to move. The polishing machine can be used for automatically polishing the inner wall of the aluminum alloy pipe, so that a manual polishing process is replaced, and the polishing efficiency is effectively improved while the polishing quality is guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminum alloy pipe processing technical field, concretely relates to an aluminum alloy pipe inner wall polishing machine. BACKGROUND

[0002] At present, the inner container of the hydrogen storage bottle mounted on the hydrogen energy heavy truck is mainly made of aluminum alloy pipe, in order to ensure the structural strength and sealing performance, the aluminum alloy pipe needs to be made of small-diameter aluminum alloy pipe through cold drawing, after cold drawing forming is completed, the inner wall of the aluminum alloy pipe may have scratches or burrs, at this time, the inner wall needs to be polished, the existing polishing process mainly carries out polishing operation manually, and the working efficiency is low. Therefore, a corresponding polishing machine needs to be used to polish the inner wall. SUMMARY

[0003] The utility model aims at providing an aluminum alloy pipe inner wall polishing machine, which can be used for automatically polishing the inner wall of the aluminum alloy pipe, thereby replacing the manual polishing process, ensuring the polishing quality, and effectively improving the polishing efficiency.

[0004] In order to realize the above technical features, the utility model is realized in this way: an aluminum alloy pipe inner wall polishing machine, comprising a base frame, a driving long shaft rod assembly for rotating driving the aluminum alloy pipe is installed on one side of the top of the base frame, a driven long shaft rod assembly is arranged in parallel on the side of the driving long shaft rod assembly, the driving long shaft rod assembly is connected with a rotating power device through a chain transmission mechanism, a transverse sliding rail is installed in parallel on the other side of the top of the base frame, an inner wall polishing assembly is slidably installed on the transverse sliding rail, and the inner wall polishing assembly is connected with a lead screw transmission mechanism for driving the movement.

[0005] Front and rear sides of the base frame are provided with front side plates, and left and right sides of the base frame are provided with side plates.

[0006] The driving long shaft rod assembly and the driven long shaft rod assembly adopt the same structure, wherein the driving long shaft rod assembly comprises a long shaft rod, the long shaft rod is rotatably supported on the top of the base frame through a fixed bearing seat, and a nylon bushing for cooperating with the outer wall of the aluminum alloy pipe is installed on the long shaft rod.

[0007] The bearing seat of the driven long shaft rod assembly is slidably installed on the longitudinal sliding rail, and the longitudinal sliding rail is fixed on the top of the base frame.

[0008] The rotating power device comprises a first motor fixed on the base frame, the output shaft of the first motor is connected with the input shaft of a speed reducer, and the output end of the speed reducer is connected with the end of the driving long shaft rod assembly through a chain transmission mechanism.

[0009] The inner wall polishing assembly comprises a sliding base plate slidingly mounted on the transverse slide rail, the top of the sliding base plate is fixed with a polishing motor, the output shaft of the polishing motor is connected with a polishing shaft through a belt wheel assembly, the polishing shaft is rotatably mounted on a main bearing seat, the main bearing seat is fixed on the top of the sliding base plate, and the end of the polishing shaft is provided with a polishing wheel.

[0010] The screw rod transmission mechanism comprises a second motor, the output shaft of the second motor is provided with a screw rod, and the screw rod and a nut seat mounted on the inner wall polishing assembly form a screw rod transmission.

[0011] The first steel pipe pressing mechanism and the second steel pipe pressing mechanism are arranged on the basis frame and above the driving long shaft rod assembly and the driven long shaft rod assembly, the first steel pipe pressing mechanism comprises a first L-shaped mounting bracket fixed on the side wall of the basis frame, the top of the first L-shaped mounting bracket is fixed with a first pressing cylinder, the piston rod of the first pressing cylinder is provided with a parallel arranged pressing wheel, and the pressing wheel is in contact with the outer wall of the aluminum alloy pipe.

[0012] The polishing shaft pressing wheel is arranged on the top of the basis frame and above the polishing shaft.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1、 the polishing machine can be used for automatically polishing the inner wall of the aluminum alloy pipe, thereby replacing the manual polishing process, ensuring the polishing quality, and effectively improving the polishing efficiency.

[0015] 2、 the front side plate and the side plate can realize the closure of different surfaces of the basis frame, thereby protecting the internal structure.

[0016] 3、 the driving long shaft rod assembly and the driven long shaft rod assembly can realize the rotary support of the aluminum alloy pipe, thereby ensuring that the aluminum alloy pipe can rotate synchronously during the polishing process.

[0017] 4、 the arrangement structure of the longitudinal slide rail ensures that the bearing seat can slide along the top, thereby adapting to the rolling support of aluminum alloy pipes of different diameters, and enhancing the adaptability.

[0018] 5、 the rotary power device can be used to provide power for the rotation of the aluminum alloy pipe.

[0019] 6、 the inner wall polishing assembly can be used for polishing the inner wall of the steel pipe.

[0020] 7、 the screw rod transmission mechanism can be used to drive the inner wall polishing assembly to move along the axis direction of the aluminum alloy pipe, thereby realizing the feeding during the polishing process.

[0021] 8. The first steel pipe pressing mechanism and the second steel pipe pressing mechanism can limit the top of the aluminum alloy pipe during rotation, effectively preventing the aluminum alloy pipe from jumping during rotation.

[0022] 9. The polishing shaft pressing wheel can limit the polishing shaft, effectively preventing the polishing shaft from jumping during polishing. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model will be further described below in combination with the drawings and embodiments.

[0024] Figure 1 It is the front view of the utility model.

[0025] Figure 2 It is the left view of the utility model.

[0026] Figure 3 It is the right view of the utility model.

[0027] Figure 4 It is the top view of the utility model.

[0028] Figure 5 It is the three-dimensional structure diagram of the utility model.

[0029] In the drawing: base frame 1, driven long shaft rod assembly 2, driving long shaft rod assembly 3, first steel pipe pressing mechanism 4, second steel pipe pressing mechanism 5, inner wall polishing assembly 6, rotating power device 7, polishing shaft pressing wheel 8, screw rod transmission mechanism 9, chain transmission mechanism 10, transverse sliding rail 11, front side plate 12, bearing seat 13, longitudinal sliding rail 14, side plate 15;

[0030] Nylon bushing 301, long shaft rod 302, fixed bearing seat 303;

[0031] First L-shaped mounting bracket 401, pressing wheel 402, first pressing cylinder 403;

[0032] Polishing motor 601, pulley assembly 602, main bearing seat 603, polishing shaft 604, polishing wheel 605, sliding base plate 606;

[0033] First motor 701, speed reducer 702;

[0034] Second motor 901, screw rod 902, nut seat 903. DETAILED DESCRIPTION

[0035] The embodiments of the utility model will be further described below in combination with the drawings.

[0036] As Figures 1-5As shown, an aluminum alloy pipe inner wall polishing machine, including the base frame 1, the top side of the base frame 1 is provided with a driving long shaft rod assembly 3 for rotating drive of the aluminum alloy pipe, the side of the driving long shaft rod assembly 3 is provided with a driven long shaft rod assembly 2 in parallel, the driving long shaft rod assembly 3 is connected with the rotating power device 7 through the chain transmission mechanism 10, the other side of the top of the base frame 1 is provided with a transverse sliding rail 11 in parallel, the inner wall polishing assembly 6 is slidingly installed on the transverse sliding rail 11, the inner wall polishing assembly 6 is connected with the lead screw transmission mechanism 9 for driving the movement. The polishing machine can be used for automatic polishing of the inner wall of the aluminum alloy pipe, thereby replacing the manual polishing process, while ensuring the polishing quality, effectively improving the polishing efficiency. In the specific use process, the aluminum alloy pipe is supported by the driven long shaft rod assembly 2 and the driving long shaft rod assembly 3, and then the driving long shaft rod assembly 3 is driven to rotate by the rotating power device 7, thereby driving the aluminum alloy pipe to rotate, at this time the inner wall polishing assembly 6 is driven to move along the axis direction of the aluminum alloy pipe by the lead screw transmission mechanism 9, and in the moving process, the inner wall of the aluminum alloy pipe is polished by the inner wall polishing assembly 6.

[0037] Further, the front and rear sides of the base frame 1 are provided with front side plates 12, and the left and right sides of the base frame 1 are provided with side plates 15. The front side plates 12 and the side plates 15 can realize the closure of different surfaces of the entire base frame 1, thereby protecting the internal structure.

[0038] Further, the driving long shaft rod assembly 3 and the driven long shaft rod assembly 2 adopt the same structure, wherein the driving long shaft rod assembly 3 includes a long shaft rod 302, which is rotatably supported on the top of the base frame 1 through a fixed bearing seat 303, and a nylon bushing 301 for cooperating with the outer wall of the aluminum alloy pipe is installed on the long shaft rod 302. The driving long shaft rod assembly 3 and the driven long shaft rod assembly 2 can realize the rotating support of the aluminum alloy pipe, thereby ensuring that it can rotate synchronously during polishing. Moreover, the nylon bushing 301 can increase the friction between the aluminum alloy pipe, thereby realizing smooth rotation of the aluminum alloy pipe.

[0039] Further, the bearing seat 13 of the driven long shaft rod assembly 2 is slidingly installed on the longitudinal sliding rail 14, and the longitudinal sliding rail 14 is fixed on the top of the base frame 1. Through the arrangement of the longitudinal sliding rail 14, it is ensured that the bearing seat 13 can slide along the top, thereby adapting to the rolling support of aluminum alloy pipes of different diameters, to enhance its adaptability.

[0040] Further, the rotating power device 7 comprises a first motor 701 fixed on the base frame 1, an output shaft of the first motor 701 is connected with an input shaft of a speed reducer 702, an output end of the speed reducer 702 is connected with the end of the driving long shaft assembly 3 through the chain transmission mechanism 10. The rotating power device 7 can be used to provide the rotating power of the aluminum alloy pipe. During the operation, the speed reducer 702 is driven by the first motor 701, the chain transmission mechanism 10 is driven by the speed reducer 702, and the driving long shaft assembly 3 is driven to rotate by the chain transmission mechanism 10.

[0041] Further, the chain transmission mechanism 10 comprises a driving sprocket installed on the output shaft of the speed reducer 702, the driving sprocket is engaged with a driven sprocket installed on the end of the driving long shaft assembly 3 through a chain.

[0042] Further, the inner wall polishing assembly 6 comprises a sliding base plate 606 slidingly installed on the transverse sliding rail 11, a polishing motor 601 is fixed on the top of the sliding base plate 606, an output shaft of the polishing motor 601 is connected with a polishing shaft 604 through a belt wheel assembly 602, the polishing shaft 604 is rotatably installed on a main bearing seat 603, the main bearing seat 603 is fixed on the top of the sliding base plate 606, and a polishing wheel 605 is installed on the end of the polishing shaft 604. The inner wall polishing assembly 6 can be used to polish the inner wall of the steel pipe. During the operation, the belt wheel assembly 602 is driven by the polishing motor 601, the polishing shaft 604 is driven by the belt wheel assembly 602, the polishing wheel 605 is driven by the polishing shaft 604, the polishing wheel 605 is inserted into the inner hole of the aluminum alloy pipe, and the inner wall of the steel pipe is polished.

[0043] Further, the lead screw transmission mechanism 9 comprises a second motor 901, a lead screw 902 is installed on the output shaft of the second motor 901, and the lead screw 902 and a nut seat 903 installed on the inner wall polishing assembly 6 constitute a lead screw transmission. The lead screw transmission mechanism 9 can be used to drive the inner wall polishing assembly 6 to move along the axis direction of the aluminum alloy pipe, and then realize the feeding during the polishing process. During the operation, the lead screw 902 is driven by the second motor 901, the nut seat 903 is driven by the lead screw 902, and the entire inner wall polishing assembly 6 is driven to slide along the transverse sliding rail 11 by the nut seat 903.

[0044] Further, the first steel pipe pressing mechanism 4 and the second steel pipe pressing mechanism 5 are arranged on the base frame 1 and above the driving long shaft rod assembly 3 and the driven long shaft rod assembly 2, the first steel pipe pressing mechanism 4 comprises a first L-shaped mounting frame 401 fixed on the side wall of the base frame 1, a first pressing cylinder 403 is fixed on the top of the first L-shaped mounting frame 401, a pressing wheel 402 is arranged in parallel at the end of the piston rod of the first pressing cylinder 403, and the pressing wheel 402 is in contact with the outer wall of the aluminum alloy pipe. The first steel pipe pressing mechanism 4 and the second steel pipe pressing mechanism 5 can limit the top of the aluminum alloy pipe during rotation, effectively preventing the aluminum alloy pipe from jumping during rotation. During the grinding process of the aluminum alloy pipe, the first pressing cylinder 403 is pressed downward, and the top of the aluminum alloy pipe is pressed, thereby limiting the top of the aluminum alloy pipe on the driving long shaft rod assembly 3 and the driven long shaft rod assembly 2.

[0045] Further, the top of the base frame 1 and above the grinding shaft 604 are provided with a grinding shaft pressing wheel 8. The grinding shaft pressing wheel 8 can limit the grinding shaft 604, effectively preventing the grinding shaft 604 from jumping during grinding.

[0046] The working process and principle of the utility model are as follows:

[0047] Firstly, according to the diameter size of the aluminum alloy pipe to be ground, the distance between the driven long shaft rod assembly 2 and the driving long shaft rod assembly 3 is adjusted, the aluminum alloy pipe is supported on the top of the driven long shaft rod assembly 2 and the driving long shaft rod assembly 3, and then the rotating power device 7 is started, the first motor 701 drives the speed reducer 702, the chain transmission mechanism 10 is driven by the speed reducer 702, the driving long shaft rod assembly 3 is driven by the chain transmission mechanism 10, the corresponding aluminum alloy pipe is driven to rotate, the screw rod transmission mechanism 9 and the inner wall grinding assembly 6 are started synchronously, the second motor 901 drives the screw rod 902, the screw nut seat 903 is driven by the screw rod 902, the entire inner wall grinding assembly 6 is driven by the screw nut seat 903 to slide along the transverse sliding rail 11, the belt wheel assembly 602 is driven by the grinding motor 601, the grinding shaft 604 is driven by the belt wheel assembly 602, the grinding wheel 605 is driven by the grinding shaft 604, and the inner wall of the steel pipe is ground by the grinding wheel 605.

Claims

1. An aluminum alloy tube inner wall polishing machine characterized by comprising: The utility model provides a kind of aluminum alloy pipe inner wall polishing device, including base frame (1), the top side of base frame (1) is equipped with the long shaft rod assembly (3) for rotating drive to aluminum alloy pipe, the side of long shaft rod assembly (3) is provided with driven long shaft rod assembly (2) in parallel, long shaft rod assembly (3) is connected with rotating power device (7) by chain transmission mechanism (10), the top other side of base frame (1) is equipped with transverse slide rail (11) in parallel, and inner wall polishing assembly (6) is slidably installed on transverse slide rail (11), and inner wall polishing assembly (6) is connected with screw rod transmission mechanism (9) for driving its movement.

2. The aluminum alloy tube inner wall polishing machine according to claim 1, characterized by: The front and rear sides of the base frame (1) are equipped with front side plates (12), and the left and right sides of the base frame (1) are equipped with side plates (15).

3. The machine of claim 1, wherein: The long shaft rod assembly (3) and the driven long shaft rod assembly (2) have the same structure, wherein the long shaft rod assembly (3) includes a long shaft rod (302) rotatably supported on the top of the base frame (1) through a fixed bearing seat (303), and a nylon bushing (301) for cooperating with the outer wall of the aluminum alloy pipe is installed on the long shaft rod (302).

4. The machine of claim 3 wherein: The bearing seat (13) of the driven long shaft rod assembly (2) is slidably installed on the longitudinal slide rail (14), and the longitudinal slide rail (14) is fixed on the top of the base frame (1).

5. The machine of claim 1 wherein: The rotating power device (7) includes a first motor (701) fixed on the base frame (1), the output shaft of the first motor (701) is connected with the input shaft of a speed reducer (702), and the output end of the speed reducer (702) is connected with the end of the long shaft rod assembly (3) through a chain transmission mechanism (10).

6. The machine of claim 1 wherein: The inner wall polishing assembly (6) includes a sliding base plate (606) slidably installed on the transverse slide rail (11), a polishing motor (601) is fixed on the top of the sliding base plate (606), the output shaft of the polishing motor (601) is connected with a polishing shaft (604) through a belt wheel assembly (602), the polishing shaft (604) is rotatably installed on a main bearing seat (603) fixed on the top of the sliding base plate (606), and the end of the polishing shaft (604) is provided with a polishing wheel (605).

7. The machine of claim 1 wherein: The screw rod transmission mechanism (9) includes a second motor (901), the output shaft of the second motor (901) is provided with a screw rod (902), and the screw rod (902) and a nut seat (903) installed on the inner wall polishing assembly (6) constitute a screw rod transmission.

8. The machine of claim 1 wherein: The base frame (1) is provided with first steel pipe pressing mechanisms (4) and second steel pipe pressing mechanisms (5) of the same structure above the long shaft rod assembly (3) and the driven long shaft rod assembly (2), the first steel pipe pressing mechanism (4) includes a first L-shaped mounting bracket (401) fixed on the side wall of the base frame (1), a first pressing cylinder (403) is fixed on the top of the first L-shaped mounting bracket (401), a piston rod end of the first pressing cylinder (403) is provided with parallel arranged pressing wheels (402), and the pressing wheels (402) are in contact with the outer wall of the aluminum alloy pipe.

9. The machine of claim 6 wherein: The top of the base frame (1) is provided with a polishing shaft pressing wheel (8) directly above the polishing shaft (604).