Ultrasonic scalpel sleeve snake bone wire convex hull forming tool

By designing the ultrasonic knife casing snake bone conductor hull molding tooling, the problem of lowering sleeve strength is solved by using the cooperation of the cylinder mechanism and the extruded molding, and the wire hull molding of the snake bone at one end of the complete sleeve is achieved.

CN119819780APending Publication Date: 2025-04-15WUXI YALANG PRECISION TECH CO LTD
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Patent Information

Application Number
CN202510069090.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-04-15

AI Technical Summary

Technical Problem

In the existing ultrasonic tool sleeve production process, because the sleeve size is too long, the sleeve needs to be cut off to process the wire convex hull, resulting in a decrease in the strength of the sleeve.

Method used

An ultrasonic knife casing snake bone conductor hull forming tool is designed, including a support fixing mechanism and a forming mechanism. Through the cooperation of the cylinder mechanism and the extruded molding, the wire hull forming of the snake bone at one end of the complete sleeve is realized.

Benefits of technology

The problem of lowering casing strength is effectively solved. By cooperating with the support fixing mechanism and the forming mechanism, the casing is fixed radially and axially, and the normal processing of the convex hull of the casing snake bone is achieved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an ultrasonic scalpel sleeve snake bone wire convex hull forming tool. Comprising a supporting and fixing mechanism and a forming mechanism. The supporting and fixing mechanism comprises a base, a supporting block, a fixing structure and a limiting block, the supporting block, the fixing structure and the limiting block are arranged on the base, the supporting block is arranged between the fixing structure and the limiting block, a fixing groove matched with the sleeve in size is formed in the fixing structure, the fixing groove, the supporting block and the limiting block are located on the same straight line, and radial movement of the sleeve is limited through the fixing groove; the forming mechanism comprises an air cylinder mechanism and an extrusion forming part, the air cylinder mechanism and the extrusion forming part are arranged on the base, the output end of the air cylinder mechanism, the extrusion forming part and the fixing groove are located on the same straight line, the extrusion forming part and the limiting block are oppositely arranged, and axial movement of the sleeve is limited through cooperation of the extrusion forming part and the limiting block; a forming protruding block is arranged on one side face of the extrusion forming piece, and the outer diameter of the extrusion forming piece is matched with the inner diameter of the sleeve. According to the invention, the wire convex hull can be effectively processed on the snake bone at one end of the complete sleeve.
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Description

Technical field:

[0001] The invention belongs to the technical field of ultrasonic knife sleeve production, and particularly relates to an ultrasonic knife sleeve snake-bone wire convex package forming tool. Background technology:

[0002] Most of the existing ultrasonic knife sleeves on the market are injection molded parts, which are disposable products with large usage and high cost. In order to reduce the cost and make the sleeves reusable, the sleeves are changed from injection molded parts to stainless steel parts.

[0003] One end of the stainless steel casing is a snake-bone structure. There are wire bulges on both sides of the snake-bone. The wire is inserted into the wire bulge. The wire is connected to the handle, and the handle drives the wire to control the direction of the snake-bone. In the production process of stainless steel casing, because the casing is too long, the casing can only be cut off. After the forming tool processes the wire bulge on the snake-bone at one end of the casing, the cut casing is re-welded by laser welding, which reduces the strength of the casing. How to process the wire bulge on the snake-bone at one end of the complete casing is a problem that needs to be solved.

[0004] The information disclosed in this background technology section is only intended to enhance the understanding of the overall background of the invention and should not be regarded as an acknowledgment or any form of suggestion that the information constitutes the prior art already known to a person skilled in the art. Summary of the invention:

[0005] The purpose of the present invention is to provide an ultrasonic knife sleeve snake-bone wire convex hull forming tool to overcome the defects in the above-mentioned prior art.

[0006] To achieve the above-mentioned purpose, the present invention provides an ultrasonic knife sleeve snake-bone wire convex hull forming tool, including a supporting and fixing mechanism and a forming mechanism; the supporting and fixing mechanism includes a base, and a supporting block, a fixing structure, and a limit block arranged on the base, the supporting block is arranged between the fixing structure and the limit block, and a fixing groove adapted to the size of the sleeve is arranged in the fixing structure, the fixing groove, the supporting block, and the limit block are located on the same straight line, and the radial movement of the sleeve is limited by the fixed groove; the forming mechanism includes a cylinder mechanism and an extruded molded part, the cylinder mechanism and the extruded molded part are arranged on the base, the output end of the cylinder mechanism, the extruded molded part, and the fixed groove are located on the same straight line, the extruded molded part and the limit block are arranged oppositely, and the axial movement of the sleeve is limited by the cooperation between the extruded molded part and the limit block; a forming convex block is arranged on one side surface of the extruded molded part, the outer diameter of the extruded molded part is matched with the inner diameter of the sleeve, the forming convex block is driven by the output end of the cylinder mechanism to move radially in the snake-bone part of the sleeve, and the forming convex block squeezes the side of the snake-bone part to form a convex hull.

[0007] Preferably, in the technical solution, the cylinder mechanism includes a cylinder, a fixed splint, and a cylinder push rod. The cylinder is arranged on a base, a fixed splint is arranged at the output end of the cylinder, a cylinder push rod is arranged on the fixed splint, the front end of the cylinder push rod is a conical structure, and the cylinder push rod is aligned with the extruded part.

[0008] Preferably, in the technical scheme, the extruded molded part includes a convex molded part, a positioning sleeve, and a fixed seat. The fixed seat is arranged on the base, and the positioning sleeve is arranged on the fixed seat. The outer diameter of the positioning sleeve matches the inner diameter of the sleeve, and the positioning sleeve and the limit block are relatively arranged, and the axial movement of the sleeve is limited by the positioning sleeve and the limit block. A convex molded part is arranged in the positioning sleeve, and molding protrusions are evenly arranged on the outer surface of the convex molded part, each molding protrusion corresponds to a section of the snake bone, and a molding hole is opened on the side surface of the positioning sleeve, and the position of the molding hole corresponds to the position of the molding protrusion. The positioning sleeve limits the axial movement of the convex molded part, that is, the positioning sleeve limits the axial movement of the molding protrusion; the cylinder push rod is aligned with the positioning sleeve, and a slide groove is opened on one side surface of the cylinder push rod, and the size of the slide groove matches the size of the convex molded part. The cylinder push rod is driven by the cylinder to move axially in the positioning sleeve, and then the convex molded part enters the slide groove, and the molding protrudes from the side surface of the positioning sleeve where the molding hole is located, so that the molding protrusion moves radially in the snake bone part of the sleeve.

[0009] Preferably, in the technical solution, a positioning protrusion is provided on the outer surface of the convex molding part, and a positioning hole is provided on the positioning sleeve at a position corresponding to the positioning protrusion. The positioning protrusion protrudes from the side of the positioning sleeve where the positioning hole is located, and the installation position of the convex molding part in the positioning sleeve is positioned by cooperating with the positioning protrusion and the positioning hole.

[0010] Preferably, in the technical solution, mounting grooves are provided on both side surfaces of the inner cavity of the positioning sleeve, and a mounting block is provided on the side surface of the cylinder top rod relative to the slide groove, and the mounting block cooperates with the mounting groove structure to facilitate relative sliding between the positioning sleeve and the cylinder top rod.

[0011] Preferably, in the technical solution, the fixing structure includes a main fixing block and a secondary fixing block, the main fixing block and the secondary fixing block are arranged on the base, the main fixing block is provided with a fixing groove, the secondary fixing block is located on the side of the main fixing block on the side where the fixing groove is provided, the main fixing block and the secondary fixing block surround two side walls of the fixing groove, and the snake bone part at one end of the sleeve is placed and fixed in the fixing groove.

[0012] Preferably, in the technical solution, convex grooves are provided on both side walls of the fixing groove, and the size of the convex grooves matches the convex bulge, so as to facilitate the fixing of the sleeve and loading and unloading of materials.

[0013] Preferably, in the technical solution, an adjustment slot is provided on the base, and the limit block is movably fixed in the adjustment slot. The position of the limit block in the adjustment slot is adjusted according to the length of the sleeve to adapt to different types of sleeves.

[0014] A method for forming a convex hull of an ultrasonic knife sleeve snake-bone wire, the steps of which are:

[0015] (1) placing the convex bulge forming part in the positioning sleeve, inserting the positioning convex block into the positioning hole, and placing the convex bulge forming part obliquely in the positioning sleeve;

[0016] (2) According to the required sleeve length, move the limit block in the adjustment groove to a suitable position and fix it, place the sleeve on the support block, with the sleeve tail against the limit block, the snake bone part of the sleeve head placed in the fixing groove, and the positioning sleeve inserted into the snake bone part; the support block and the fixing groove limit the radial movement of the sleeve, and the limit block and the positioning sleeve limit the axial movement of the sleeve;

[0017] (3) The cylinder is started, and the fixed clamping plate at the output end of the cylinder drives the cylinder push rod to extend forward, and the cylinder push rod is inserted into the positioning sleeve. During the extension of the cylinder push rod, the convex bulge molded part enters the slide groove of the cylinder push rod, and the cylinder push rod gradually changes the convex bulge molded part from an inclined state to a vertical state. The molding convex block on the outer side of the convex bulge molded part gradually protrudes from the molding hole to the side of the positioning sleeve where the molding hole is located, and the molding convex block extrude and mold the corresponding position of the snake bone part;

[0018] (4) When the cylinder push rod stops extending forward, each forming convex block forms a convex bulge on a corresponding section of the snake bone part, completing the forming of the convex bulge of the sleeve snake bone wire; the cylinder drives the cylinder push rod to reset, and during the process of resetting the cylinder push rod, the radial pressure on the convex bulge forming part gradually decreases, and the convex bulge forming part gradually recovers from a vertical state to an inclined state, and the forming bulge is separated from the corresponding snake bone part;

[0019] (5) After the cylinder push rod is completely reset, move the limit block, remove the sleeve from the positioning sleeve, move it out of the fixing groove, remove the next sleeve to be processed, and repeat steps (2)-(4).

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] Through the cooperation of the supporting and fixing mechanism and the forming mechanism, the wire bulge can be effectively processed on the snake bone at one end of the complete sleeve, ensuring that the sleeve is fixed in the radial and axial directions during the processing. Through the cooperation of the cylinder mechanism and the extrusion forming part, the normal processing of the bulge of the sleeve snake bone part is guaranteed. Description of the drawings:

[0022] Figure 1 It is a schematic diagram of the ultrasonic knife sleeve snake-bone wire convex hull forming tooling structure of the present invention;

[0023] Figure 2 This is a front view of the ultrasonic knife sleeve snake bone wire convex hull forming tooling of the present invention;

[0024] Figure 3It is a top view of the ultrasonic knife sleeve snake bone wire convex hull forming tooling of the present invention;

[0025] Figure 4 It is a structural schematic diagram of the molding mechanism of the present invention;

[0026] Figure 5 for Figure 4 AA section view;

[0027] Figure 6 It is a schematic diagram of the structure of the extruded part of the present invention;

[0028] Figure 7 for Figure 6 A magnified view of part B;

[0029] Figure 8 It is a schematic diagram of the fixing structure of the present invention;

[0030] Fig. 9 This is a front view of the fixed structure of the present invention;

[0031] Fig.10 It is the state diagram of the forming mechanism of the present invention;

[0032] Fig.11 This is a diagram showing the use status of the ultrasonic knife sleeve snake-bone wire convex hull forming tooling of the present invention;

[0033] Fig.12 It is a schematic diagram of the structure of the ultrasonic knife guide sleeve. Specific implementation method:

[0034] The specific embodiments of the present invention are described in detail below, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0035] Unless explicitly stated otherwise, throughout the specification and claims, the term “comprise” or variations such as “include” or “comprising”, etc., will be understood to include the stated elements or components but not to exclude other elements or components.

[0036] like Figure 1-3 As shown, an ultrasonic knife sleeve snake bone wire convex hull forming tooling includes a supporting and fixing mechanism and a forming mechanism; the supporting and fixing mechanism includes a base 1, and a supporting block 2, a fixing structure 3, and a limiting block 4 arranged on the base 1, the supporting block 2 is arranged between the fixing structure 3 and the limiting block 4, and a fixing groove 30 adapted to the size of the sleeve 7 is arranged in the fixing structure 3, the fixing groove 30, the supporting block 2, and the limiting block 4 are located on the same straight line, and the radial movement of the sleeve 7 is limited by the fixing groove 30; an adjusting groove 10 is arranged on the base 1, and the limiting block 4 is movably fixed in the adjusting groove 10, and the position of the limiting block 4 in the adjusting groove 10 is adjusted according to the length of the sleeve 7 to adapt to sleeves 7 of different models.

[0037] like Figure 8-9 As shown, the fixing structure 3 includes a main fixing block 31 and a secondary fixing block 32. The main fixing block 31 and the secondary fixing block 32 are arranged on the base 1. The main fixing block 31 is provided with a fixing groove 30. The secondary fixing block 32 is located on the side of the main fixing block 31 on which the fixing groove 30 is provided. The main fixing block 31 and the secondary fixing block 32 form two side walls of the fixing groove 30. The snake bone part at one end of the sleeve is placed and fixed in the fixing groove 30. The two side walls of the fixing groove 30 are provided with convex grooves 33. The size of the convex grooves 33 matches the convex 9, which is convenient for fixing the sleeve 7 and loading and unloading.

[0038] The molding mechanism includes a cylinder mechanism 5 and an extrusion molding member 6, which are arranged on a base 1, and the output end of the cylinder mechanism 5, the extrusion molding member 6, and the fixing groove 30 are located on the same straight line, and the extrusion molding member 6 and the limit block 4 are arranged opposite to each other, and the axial movement of the sleeve 7 is limited by the cooperation between the extrusion molding member 6 and the limit block 4;

[0039] The cylinder mechanism 5 includes a cylinder 50, a fixed clamping plate 51, and a cylinder push rod 52. The cylinder 50 is arranged on the base 1. The output end of the cylinder 50 is provided with a fixed clamping plate 51. The fixed clamping plate 51 is provided with a cylinder push rod 52. The front end of the cylinder push rod 52 is a conical structure. The cylinder push rod 52 is aligned with the extruded part 6.

[0040] like Figure 4-7 As shown, the extruded molded part 6 includes a convex molded part 60, a positioning sleeve 61, and a fixed seat 62. The fixed seat 62 is arranged on the base 1, and a positioning sleeve 61 is arranged on the fixed seat 62. The outer diameter of the positioning sleeve 61 matches the inner diameter of the sleeve 7. The positioning sleeve 61 is arranged opposite to the limit block 4, and the axial movement of the sleeve 7 is limited by the positioning sleeve 61 and the limit block 4. A convex molded part 60 is arranged in the positioning sleeve 61, and three molding protrusions 63 are evenly arranged on the outer surface of the convex molded part 60. Each molding protrusion 63 corresponds to a section of the snake bone 8. A molding hole 64 is opened on the side of the positioning sleeve 61, and the position of the molding hole 64 Corresponding to the position of the forming protrusion 63, the positioning sleeve 61 limits the axial movement of the convex molding part 60, that is, the positioning sleeve 61 limits the axial movement of the forming protrusion 63; the cylinder push rod 52 is aligned with the positioning sleeve 61, and a slide groove 53 is opened on one side surface of the cylinder push rod 52. The size of the slide groove 53 matches the size of the convex molding part 60. The cylinder 50 drives the cylinder push rod 52 to move axially in the positioning sleeve 61, and then the convex molding part 60 enters the slide groove 53. The molding protrusion 63 protrudes from the side of the positioning sleeve 61 where the molding hole 64 is located, so that the molding protrusion 63 moves radially in the snake bone 8 part of the sleeve 7.

[0041] A positioning protrusion 65 is provided on the outer surface of the convex molding part 60, and a positioning hole 66 is provided on the positioning sleeve 61 at a position corresponding to the positioning protrusion 65. The positioning protrusion 65 protrudes from the side of the positioning sleeve 61 where the positioning hole 66 is located. The installation position of the convex molding part 60 in the positioning sleeve 61 is positioned by cooperating with the positioning protrusion 65 and the positioning hole 66.

[0042] Mounting grooves 67 are provided on both sides of the inner cavity of the positioning sleeve 61, and a mounting block 54 is provided on one side of the cylinder top rod 52 relative to the slide groove 53. The mounting block 54 cooperates with the mounting groove 67 structure to facilitate relative sliding between the positioning sleeve 61 and the cylinder top rod 52.

[0043] like Fig.11 As shown, a method for forming a convex hull of an ultrasonic knife sleeve snake bone wire comprises the following steps:

[0044] (1) Place the convex molding 60 in the positioning sleeve 61, insert the positioning protrusion 65 into the positioning hole 66, and place the convex molding 60 in the positioning sleeve 61 at an angle, as shown in FIG. Fig.10 As shown;

[0045] (2) According to the required length of the sleeve 7, the limit block 4 in the adjustment groove 10 is moved to a suitable position and fixed, and the sleeve 7 is placed on the support block 2, the rear end of the sleeve 7 is against the limit block 4, the snake bone 8 part of the sleeve 7 head is placed in the fixing groove 30, and the positioning sleeve 61 is inserted into the snake bone 8 part; the support block 2 and the fixing groove 30 limit the radial movement of the sleeve 7, and the limit block 4 and the positioning sleeve 61 limit the axial movement of the sleeve 7;

[0046] (3) The cylinder 50 is started, and the fixed clamping plate 51 at the output end of the cylinder 50 drives the cylinder push rod 52 to extend forward, and the cylinder push rod 52 is inserted into the positioning sleeve 61. During the extension of the cylinder push rod 52, the convex hull forming part 60 enters the slide groove 53 of the cylinder push rod 52, and the cylinder push rod 52 gradually changes the convex hull forming part 60 from an inclined state to a vertical state. The three molding protrusions 63 on the outer side of the convex hull forming part 60 gradually protrude from the molding hole 64 to the side of the positioning sleeve 61 where the molding hole 64 is located, and the three molding protrusions 63 extrude and mold the corresponding positions of the snake bone 8;

[0047] (4) When the cylinder push rod 52 stops extending forward, each formed convex block 63 forms a convex bulge 9 on a corresponding section of the snake bone 8, completing the forming of the convex bulge of the sleeve snake bone wire; the cylinder 50 drives the cylinder push rod 52 to reset, and during the reset process of the cylinder push rod 52, the radial pressure on the convex bulge forming part 60 gradually decreases, and the convex bulge forming part 60 gradually returns from the vertical state to the inclined state, and the formed bulge 63 is separated from the corresponding snake bone 8 part;

[0048] (5) After the cylinder push rod 52 is completely reset, move the limit block 4, remove the sleeve 7 from the positioning sleeve 61, and move it out of the fixing groove 30. Fig.12 As shown, take out a sleeve 7 to be processed and repeat steps (2)-(4).

[0049] The foregoing description of specific exemplary embodiments of the present invention is for the purpose of illustration and demonstration. These descriptions are not intended to limit the present invention to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the present invention and various different selections and changes. The scope of the present invention is intended to be limited by the claims and their equivalents.

Claims

1. An ultrasonic knife sleeve snake-bone wire convex hull forming tool, characterized in that: It includes a supporting and fixing mechanism and a forming mechanism; the supporting and fixing mechanism includes a base, and a supporting block, a fixing structure and a limiting block arranged on the base, the supporting block is arranged between the fixing structure and the limiting block, a fixing groove adapted to the size of the sleeve is arranged in the fixing structure, the fixing groove, the supporting block and the limiting block are located on the same straight line, and the radial movement of the sleeve is limited by the fixing groove; the forming mechanism includes a cylinder mechanism and an extruded molded part, the cylinder mechanism and the extruded molded part are arranged on the base, the output end of the cylinder mechanism, the extruded molded part and the fixing groove are located on the same straight line, the extruded molded part and the limiting block are arranged opposite to each other, and the axial movement of the sleeve is limited by the cooperation between the extruded molded part and the limiting block; a forming protrusion is arranged on one side surface of the extruded molded part, the outer diameter of the extruded molded part is matched with the inner diameter of the sleeve, the forming protrusion is driven by the output end of the cylinder mechanism to move radially in the snake bone part of the sleeve, and the forming protrusion squeezes the side of the snake bone part to form a convex bulge.

2. The ultrasonic knife sleeve snake bone wire convex hull forming tool according to claim 1, characterized in that: The cylinder mechanism includes a cylinder, a fixed splint, and a cylinder push rod. The cylinder is arranged on a base, a fixed splint is arranged on the cylinder output end, a cylinder push rod is arranged on the fixed splint, the front end of the cylinder push rod is a conical structure, and the cylinder push rod is aligned with the extruded part.

3. The ultrasonic knife sleeve snake bone wire convex hull forming tool according to claim 2, characterized in that: The extruded molded part includes a convex molded part, a positioning sleeve, and a fixed seat. The fixed seat is arranged on the base, and the positioning sleeve is arranged on the fixed seat. The outer diameter of the positioning sleeve matches the inner diameter of the sleeve. The positioning sleeve and the limit block are relatively arranged, and the axial movement of the sleeve is limited by the positioning sleeve and the limit block. A convex molded part is arranged in the positioning sleeve, and molding protrusions are evenly arranged on the outer surface of the convex molded part. Each molding protrusion corresponds to a section of the snake bone. A molding hole is opened on the side of the positioning sleeve, and the position of the molding hole corresponds to the position of the molding protrusion. The positioning sleeve limits the axial movement of the convex molded part, that is, the positioning sleeve limits the axial movement of the molding protrusion; the cylinder push rod is aligned with the positioning sleeve, and a slide groove is opened on one side surface of the cylinder push rod. The size of the slide groove matches the size of the convex molded part. The cylinder push rod is driven by the cylinder to move axially in the positioning sleeve, and then the convex molded part enters the slide groove, and the molding protrudes from the side of the positioning sleeve where the molding hole is located, so that the molding protrusion moves radially in the snake bone part of the sleeve.

4. The ultrasonic knife sleeve snake-bone wire convex hull forming tool according to claim 3, characterized in that: A positioning convex block is arranged on the outer side surface of the convex molding, and a positioning hole is arranged at a position corresponding to the positioning convex block. The positioning convex block protrudes from the side surface of the positioning sleeve where the positioning hole is located.

5. The ultrasonic knife sleeve snake bone wire convex hull forming tool according to claim 3, characterized in that: Mounting grooves are arranged on both sides of the inner cavity of the positioning sleeve, and a mounting block is arranged on one side of the cylinder top rod relative to the slide groove, and the mounting block matches the mounting groove structure.

6. The ultrasonic knife sleeve snake bone wire convex hull forming tool according to claim 4, characterized in that: The fixing structure includes a main fixing block and a secondary fixing block. The main fixing block and the secondary fixing block are arranged on the base. The main fixing block is provided with a fixing groove. The secondary fixing block is located on the side of the main fixing block on which the fixing groove is provided. The main fixing block and the secondary fixing block surround the two side walls of the fixing groove. The snake bone part at one end of the sleeve is placed and fixed in the fixing groove.

7. The ultrasonic knife sleeve snake bone wire convex hull forming tool according to claim 6, characterized in that: The two side walls of the fixing groove are provided with convex hull grooves, and the size of the convex hull grooves matches the convex hulls.

8. The ultrasonic knife sleeve snake bone wire convex hull forming tool according to claim 6, characterized in that: An adjustment slot is arranged on the base, and the limit block is movably fixed in the adjustment slot.

9. A method for forming the ultrasonic knife sleeve snake-bone wire convex hull forming tooling according to claim 8, the steps of which are: (1) placing the convex bulge forming part in the positioning sleeve, inserting the positioning convex block into the positioning hole, and placing the convex bulge forming part obliquely in the positioning sleeve; (2) According to the required sleeve length, move the limit block in the adjustment groove to a suitable position to fix the sleeve on the support block, with the sleeve tail against the limit block, the snake bone part of the sleeve head placed in the fixing groove, and the positioning sleeve inserted into the snake bone part; the support block and the fixing groove limit the radial movement of the sleeve, and the limit block and the positioning sleeve limit the axial movement of the sleeve; (3) The cylinder is started, and the fixed clamping plate at the output end of the cylinder drives the cylinder push rod to extend forward, and the cylinder push rod is inserted into the positioning sleeve. During the extension of the cylinder push rod, the convex bulge molded part enters the slide groove of the cylinder push rod, and the cylinder push rod gradually changes the convex bulge molded part from an inclined state to a vertical state. The molding convex block on the outer side of the convex bulge molded part gradually protrudes from the molding hole to the side of the positioning sleeve where the molding hole is located, and the molding convex block extrude and mold the corresponding position of the snake bone part; (4) When the cylinder push rod stops extending forward, each forming convex block forms a convex bulge on a corresponding section of the snake bone part, completing the forming of the convex bulge of the sleeve snake bone wire; the cylinder drives the cylinder push rod to reset, and during the process of resetting the cylinder push rod, the radial pressure on the convex bulge forming part gradually decreases, and the convex bulge forming part gradually recovers from a vertical state to an inclined state, and the forming bulge is separated from the corresponding snake bone part; (5) After the cylinder push rod is completely reset, move the limit block, remove the sleeve from the positioning sleeve, move it out of the fixing groove, remove the next sleeve to be processed, and repeat steps (2)-(4).