CN-224222848-U - Sawing device for strong coil of high-pressure gas cylinder liner

Abstract

The utility model discloses a sawing device for a strong coil of a liner of a high-pressure gas cylinder, which comprises a movable supporting mechanism, a distance measuring mechanism and a sawing mechanism, wherein the movable supporting mechanism is movably arranged on a base, the strong coil is supported on the movable supporting mechanism, the movable supporting mechanism can move back and forth under the drive of a back and forth movement driving mechanism so as to enable the strong coil to move back and forth, the distance measuring mechanism is positioned above the strong coil and used for measuring a sawing position according to the length of the strong coil, and the sawing mechanism is arranged above the strong coil and used for sawing the strong coil according to the sawing position. The sawing device can solve the problems of low sawing efficiency, complex operation, poor workpiece symmetry and the like of the gas cylinder inner container strong coil, effectively improves the sawing position precision, realizes unmanned automatic sawing, and greatly improves the production efficiency.

Inventors

• AN JIADONG
• MI KUAN
• SUN YAN
• XIONG CHUANG

Assignees

• 江苏澳盛复材氢能源科技有限公司

Dates

Publication Date

20260512

Application Date

20250606

Claims (9)

1. 1. The utility model provides a high-pressure gas cylinder inner bag strong coil saw cuts device which characterized in that includes: the movable supporting mechanism is movably arranged on the base, the strong coil is supported on the movable supporting mechanism, and the movable supporting mechanism can move back and forth under the drive of the back and forth movement driving mechanism so as to enable the strong coil to move back and forth; The distance measuring mechanism is positioned above the strong coil and is used for measuring the sawing position according to the length of the strong coil; And the sawing mechanism is arranged above the strong coil and is used for sawing the strong coil according to the sawing position.
2. 2. The sawing device for the strong coil of the liner of the high-pressure gas cylinder, which is disclosed in claim 1, is characterized in that the movable supporting mechanism comprises a movable platform and two supporting blocks respectively arranged at the front side and the rear side of the movable platform, the movable platform is connected with the front-rear movement driving mechanism, and the strong coil is supported and arranged on the two supporting blocks.
3. 3. The sawing device for the strong coil of the liner of the high-pressure gas cylinder is characterized by further comprising a positioning block arranged at one end of the moving platform and a tightening cylinder arranged at the other end of the moving platform, wherein the tightening cylinder is matched with the positioning block to tightly clamp the strong coil.
4. 4. The sawing device for the strong coil of the liner of the high-pressure gas cylinder, which is disclosed in claim 1, is characterized by further comprising a pressing mechanism, wherein the pressing mechanism comprises a pressing support frame, a pressing cylinder and a movable pressing frame, the pressing cylinder is arranged on the pressing support frame, the movable pressing frame is in sliding fit with the pressing support frame and is connected with the pressing cylinder, and the pressing cylinder drives the movable pressing frame to descend so as to press the strong coil.
5. 5. The sawing device for the strong coil of the liner of the high-pressure gas cylinder as claimed in claim 4, wherein the pressing mechanism is provided with two groups for pressing the front part and the rear part of the strong coil respectively.
6. 6. The sawing device for the strong coil of the liner of the high-pressure gas cylinder as claimed in claim 1, wherein the distance measuring mechanism comprises a distance measuring device and a distance measuring lifting mechanism for driving the distance measuring device to lift.
7. 7. The sawing device for a strong coil of a liner of a high-pressure gas cylinder as claimed in claim 6, wherein the distance measuring device is a proximity sensor, a laser sensor, a photoelectric sensor, an ultrasonic sensor or an industrial camera.
8. 8. The sawing device for the strong coil of the liner of the high-pressure gas cylinder according to claim 6, wherein the ranging lifting mechanism comprises a ranging supporting frame, a ranging lifting cylinder arranged on the ranging supporting frame and a movable guide frame which is in sliding fit with the ranging supporting frame, the movable guide frame is connected with the ranging lifting cylinder, the ranging device is arranged on the movable guide frame, and the ranging lifting cylinder drives the movable guide frame to lift so as to enable the ranging device to lift.
9. 9. The device for sawing the strong coil of the liner of the high-pressure gas cylinder according to claim 1, wherein the sawing mechanism comprises a sawing lifting mechanism, a saw blade and a saw blade rotating mechanism, the saw blade rotating mechanism is slidably arranged on a sawing support frame, the saw blade is connected to the saw blade rotating mechanism, the sawing lifting mechanism drives the saw blade rotating mechanism to lift, and the saw blade performs sawing on the strong coil according to sawing positions.

Description

Sawing device for strong coil of high-pressure gas cylinder liner Technical Field The utility model relates to the technical field of gas cylinder production, in particular to a sawing device for a strong coil of a high-pressure gas cylinder liner. Background The aluminum liner of the high-pressure gas cylinder for the vehicle is a key part of a new energy vehicle (such as a hydrogen fuel cell vehicle, a CNG vehicle and the like). The device is mainly used for storing high-pressure gas (such as hydrogen, natural gas and the like), and is an important part for ensuring the normal operation of the automobile. In recent years, with the rapid development of the new energy automobile industry, the market demand of the aluminum liner of the high-pressure gas cylinder for the automobile is continuously increased, and the requirements on the performance and the quality of the aluminum liner are also increasingly increased. The production and manufacturing process of the aluminum liner of the automotive high-pressure gas cylinder relates to various complex processes and mainly comprises two modes of stamping, stretching and thinning forming and powerful spinning and thinning forming. The stamping, stretching and thinning forming method enables the aluminum plate to be gradually formed into the shape of the inner container of the gas cylinder through a multi-pass stamping and stretching process. The method has the advantages of high product quality, high dimensional accuracy and good surface quality, and can meet the strict requirements of the high-pressure gas cylinder on strength, tightness and durability. However, the stamping, stretching, thinning and forming process is complex, and a plurality of expensive dies and high-precision stamping equipment are needed, so that the equipment and dies are high in investment, and the production cost is relatively high. The method for forming the seamless aluminum pipe by the forced spinning and thinning comprises the step of carrying out forced spinning on the seamless aluminum pipe by a spinning machine so as to gradually thin the pipe and form the pipe into the inner container of the gas cylinder. The method has the advantages of simple process, less equipment investment, low cost and the like, and is particularly suitable for producing large-diameter and large-volume gas cylinders. The powerful spinning thinning forming process can realize uniform deformation of the material, improve the utilization rate of the material, reduce the processing procedures and reduce the production cost. Therefore, the powerful spinning thinning forming method gradually becomes the mainstream production and manufacturing process of the aluminum liner cylinder body of the high-pressure gas cylinder for the vehicle. However, the forced spinning thinning forming process also has some limitations. The length dimension range of the formed barrel is larger and the consistency is poorer due to the influence of the size difference (such as diameter, wall thickness and length) of the pipe blank and the material property difference. The follow-up sawing processing is challenged, the common sawing machine is difficult to realize automatic and batch production, and the symmetry of the strong coil of the aluminum liner and the performance consistency of the closing-in at the two ends can be controlled only by manually measuring and scribing and manually feeding. The manual operation is low in efficiency, errors are easily introduced, stability of product quality is affected, and the requirement of mass production is difficult to meet. In addition, the high-pressure gas cylinder has extremely high performance requirements on the closing end, in particular to a bottomless double-head gas cylinder. In order to ensure the consistency and the symmetrical aesthetic property of the closing-in performance of the gas cylinder, a strong spinning tube (a strong spinning gas cylinder tube) formed by forced spinning thinning is generally of a reducing special-shaped cylinder structure with thick ends and thin middle. Although the structure can effectively improve the performance of the closing end, the symmetry of the thickened sections at the two ends needs to be ensured during sawing, otherwise, the quality and the safety of the gas cylinder can be influenced. Meanwhile, the end of the tube blank is usually kept at a safe distance of 5-10mm for preventing the roller from colliding with the spinning die, so that a boss of 5-10mm is formed at the end of the strong coil. The common sawing machine adopts a roller and roller way conveying mode, the boss interferes with the roller or the roller way, automatic conveying cannot be realized, the verticality of the sawing end face and the axis of a workpiece cannot be ensured during sawing, and further the quality of the closing end of the gas cylinder cannot be ensured. Currently, the industry is increasingly pressing to improve the automation level and cutting accuracy of