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CN-117283181-B - Manufacturing die and processing method of plasma head

CN117283181BCN 117283181 BCN117283181 BCN 117283181BCN-117283181-B

Abstract

The invention provides a manufacturing die and a processing method of a plasma head, and belongs to the technical field of manufacturing of plasma heads; the outer tube positioning assembly at least comprises a first adjusting assembly, the outer tube is sleeved with the outer tube, the first adjusting assembly is used for radially adjusting the position of the outer tube and fixing the outer tube when the outer tube is coaxial with the inner tube, the scheme can ensure that the inner tube and the outer tube are welded after being coaxially arranged, machining precision and finished product qualification rate are improved, the die is simple to operate, and work efficiency of a welding preparation stage is improved.

Inventors

  • LI JINGWEI
  • LI BAOJUN
  • YAN XUECHAO
  • LIU LIDONG
  • LI DAMING
  • GAO CHAOLIANG

Assignees

  • 久智光电子材料科技有限公司
  • 天津富通信息科技股份有限公司

Dates

Publication Date
20260512
Application Date
20231108

Claims (7)

  1. 1. A manufacturing die of a plasma head, comprising: The die comprises a die body (1), wherein the die body (1) comprises a mounting structure (11), one end of the mounting structure (11) is mounted on a lathe jaw, a positioning assembly is arranged on the side, away from the lathe, of the mounting structure (11), and the positioning assembly comprises: The inner tube positioning assembly comprises a positioning column (12) which is coaxially arranged with the mounting structure (11) and has a diameter smaller than that of the mounting structure (11), an inner tube is sleeved outside the positioning column (12), the bottom of the inner tube is supported by a circle of annular surface (101) which is radially protruded away from the lathe side by the mounting structure (11), and a first fixing assembly is arranged on the side of the positioning column (12) away from the mounting structure (11) and is used for coaxially arranging the inner tube and the positioning column (12) and connecting the inner tube and the positioning column (12); The outer tube positioning assembly at least comprises a first adjusting assembly, the outer tube is sleeved outside the inner tube, the bottom of the outer tube is supported by the annular surface (101), and the first adjusting assembly is used for radially adjusting the position of the outer tube and fixing the outer tube when the outer tube is coaxial with the inner tube; the first fixing assembly includes: The positioning tube is sleeved outside the positioning column (12), the inner tube is sleeved outside the positioning tube, one side, close to the mounting structure (11), of the positioning tube is fixedly connected with the positioning column (12), the other side axially protrudes out of the positioning column (12), and a first space (19) is formed between the inner tube wall and the top surface of the positioning column (12); The locking component is arranged in the first space (19) and is used for fixedly connecting the inner pipe with the positioning pipe; the locking assembly includes: The expansion ring (17), the said expansion ring (17) is fixedly connected to the said locating pipe is far away from the said mounting structure (11); A gland (16), the gland (16) being movable in the first space (19) along an axial direction, movement of the gland (16) driving the expansion ring (17) to expand towards the inner tube side, connecting the expansion ring (17) with an end of the inner tube remote from the mounting structure (11); The gland (16) comprises a guide part (163) close to the positioning column (12) and a pushing part (164) connected with the guide part (163), the outer diameter of the pushing part (164) is reduced from the distance from the guide part (163) to the direction close to the guide part (163), the guide part (163) moves in the first space (19) towards the positioning column (12), and the outer wall of the pushing part (164) is abutted against the expansion ring (17).
  2. 2. The manufacturing die of the plasma head according to claim 1, wherein a first adjusting hole (161) is formed in the gland (16), a first adjusting piece is arranged in the first adjusting hole (161), the first adjusting piece is in threaded connection with the positioning column (12) close to the side of the gland (16), an elastic element (162) is arranged in the first adjusting hole (161), the first adjusting piece penetrates through the elastic element (162), one end of the elastic element (162) is abutted to the gland (16), and the other end of the elastic element is abutted to the positioning column (12).
  3. 3. The manufacturing die of the plasma head according to claim 2, wherein the outer tube positioning assembly further comprises a positioning sleeve (13), one side of the positioning sleeve (13) is fixed on the side, away from the lathe, of the mounting structure (11), a first annular groove (18) is formed between the other side and the positioning tube, and the inner tube and the outer tube are arranged in the first annular groove (18).
  4. 4. A manufacturing mould of a plasma head according to claim 3, characterized in that the positioning sleeve (13) is provided with a plurality of adjusting columns (15) which are distributed in a circumferential array at the side far away from the mounting structure (11), each adjusting column (15) is provided with a second adjusting piece (151), and each second adjusting piece (151) can move along the radial direction.
  5. 5. The manufacturing mold of the plasma head according to claim 4, wherein a ring (14) coaxially arranged with the positioning column (12) is provided at an end of the positioning sleeve (13) away from the mounting structure (11), the adjusting column (15) is provided on the ring (14), and the adjusting column (15) is perpendicular to the ring (14).
  6. 6. The manufacturing mold of the plasma head according to claim 5, characterized in that a total air passage (111) is provided in the mounting structure (11), an air inlet hole (112) for supplying air to the total air passage (111) is provided on a side of the mounting structure (11) far away from the positioning assembly, a plurality of branch air passages are formed on a side of the total air passage (111) far away from the air inlet hole (112), a first gap is provided between the inner pipe and the outer pipe, and each branch air passage inflates the first gap.
  7. 7. A method of manufacturing a plasma head using the plasma head manufacturing mold of claim 6, comprising the steps of: S1, installing one end of the installation structure (11) on the lathe claw; S2, sleeving an inner pipe outside the positioning column (12), and adjusting the first adjusting piece to enable the gland (16) to move towards the positioning column (12) until the outer periphery of the expansion ring (17) is abutted against the inner wall of the inner pipe; S3, sleeving an outer pipe outside the inner pipe, adjusting the second adjusting piece (151) to align the outer pipe with the axis of the inner pipe, and locking the second adjusting piece (151); s4, air is introduced into the main air passage (111) through an air inlet hole (112), and each air dividing passage inflates the first gap; S5, welding the ends of the inner tube and the outer tube.

Description

Manufacturing die and processing method of plasma head Technical Field The invention relates to the technical field of manufacturing of plasma heads, in particular to a manufacturing die and a processing method of a plasma head. Background Under the environment of technological development, the application field of the plasma head is wide, in the processing production of the plasma head, an inner pipe and an outer pipe can be used, after the inner pipe and the outer pipe are coaxially arranged, the end head of one end of the inner pipe and one end of the outer pipe are welded to form a connecting structure with a certain radian, the inner pipe and the outer pipe are integrated into a whole, the inner pipe and the outer pipe are used as core accessories of the plasma head, the accessories are placed in a frame after being manufactured, the central hole of the inner pipe is flamed, circulating cooling water is led to the outer side, and the superiority of the core accessories in playing a function is related to the arrangement of the axle center of the outer pipe of the inner pipe. In the prior art, the inner tube and the outer tube are usually welded after being manually aligned with the center, so that the welding preparation stage is long, no special fixing piece exists after the manual alignment, the inner tube or the outer tube is more likely to deviate after the manual alignment, the machining and manufacturing efficiency of the plasma head can be reduced, meanwhile, the subjectivity of the manual alignment operation means is stronger, objective reference objects are lacked for calibrating the inner tube and the outer tube, and the inner tube and the outer tube placed in the way are welded, so that the problem of poor machining precision of the plasma head can be caused. Disclosure of Invention In view of the foregoing drawbacks and shortcomings of the prior art, the present invention is directed to a manufacturing mold and a processing method for a plasma head. In a first aspect, the present invention provides a manufacturing mold for a plasma head, including: the die body comprises a mounting structure, one end of the mounting structure is mounted on a lathe jaw, a positioning assembly is arranged on the side, away from the lathe, of the mounting structure, and the positioning assembly comprises: The inner pipe positioning assembly comprises a positioning column which is coaxially arranged with the mounting structure and has a diameter smaller than that of the mounting structure, an inner pipe is sleeved outside the positioning column, the bottom of the inner pipe is supported by a circle of annular surface which is radially protruded away from the lathe side by the mounting structure, and a first fixing assembly is arranged at the side of the positioning column away from the mounting structure and is used for coaxially arranging the inner pipe and the positioning column and connecting the inner pipe and the positioning column; The outer tube positioning assembly at least comprises a first adjusting assembly, an outer tube is sleeved outside the inner tube, the bottom of the outer tube is supported by the annular surface, and the first adjusting assembly is used for radially adjusting the position of the outer tube and fixing the outer tube when the outer tube is coaxial with the inner tube. According to the technical scheme provided by the invention, the first fixing component comprises: the positioning tube is sleeved outside the positioning column, the inner tube is sleeved outside the positioning tube, one side, close to the mounting structure, of the positioning tube is fixedly connected with the positioning column, the other side axially protrudes out of the positioning column, and a first space is formed between the inner tube wall and the top surface of the positioning column; the locking assembly is arranged in the first space and is used for fixedly connecting the inner pipe with the positioning pipe. According to the technical scheme provided by the invention, the locking assembly comprises: The expansion ring is fixedly connected to the side, far away from the mounting structure, of the positioning tube; The gland can move in the first space along the axial direction, and the movement of the gland drives the expansion ring to expand towards the side of the inner tube, so that the expansion ring is connected with the end part of the inner tube away from the mounting structure. According to the technical scheme, the gland comprises a guide part close to the positioning column and a pushing part connected with the guide part, the outer diameter of the pushing part is reduced from large to small from the direction away from the guide part to the direction close to the guide part, the guide part moves towards the positioning column in the first space, and the outer wall of the pushing part is abutted against the expansion ring. According to the technical scheme, a first adjusting hole is formed