Nickel-titanium wire die

Abstract

The utility model discloses a nickel-titanium wire mold which comprises a mold part, and the mold part comprises a mold body and a guide pipe opening. A guide pipe opening is formed in the middle of the guide pipe opening in a penetrating mode, a wire is placed in the guide pipe opening, and the end of the wire extends out of the guide pipe opening; the forming positioning part comprises a connecting block, a positioning rod and a positioning column; the connecting blocks are symmetrically fixed to the two opposite sides of the outer surface of the connecting ring, the positioning rods are symmetrically arranged on the outer sides of the connecting blocks, and the positioning columns symmetrically penetrate through the middles of the outer ends of the positioning rods in a threaded mode. Screw holes are formed in the middles of the outer ends of the positioning rods, threads are distributed in the middles of the outer surfaces of the positioning columns, and rotating wheels are fixed to the middles of the upper ends of the positioning columns. The problem that a spring machine and a line folding machine in the existing market cannot be used for customized production of nickel-titanium wires in various shapes and must depend on customized dies for processing is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire molds, in particular to a nickel-titanium wire mold. Background Art

[0002] Nickel-titanium alloy has always been the preferred metal material for medical implant products due to its unique material properties. Due to the special structure of the human body, most of the products are developed to fit the blood vessels, and the shapes are not regular straight lines and circles. Therefore, the spring machines and wire bending machines on the market cannot be customized for this purpose, and must rely on customized molds for processing. Utility Model Content

[0003] The purpose of the utility model is to provide a nickel-titanium wire mold to solve the problem raised in the above background technology that the spring machines and wire bending machines on the existing market cannot customize the production of nickel-titanium wires in various shapes and must rely on customized molds for processing.

[0004] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0005] The utility model is a nickel-titanium wire die, comprising a die portion, an angle adjustment portion, and a forming positioning portion;

[0006] The mold part comprises a mold body and a conduit port, wherein the conduit port runs through the middle of the mold body, and a wire is placed inside the conduit port, and an end of the wire extends out of the conduit port;

[0007] The angle adjustment part includes a ring tube, a connecting ring, and a ball shaft. The ring tube is buckled in the end of the catheter port, and the ball shaft moves in the middle of the ring tube. The connecting ring is sleeved on the upper outer surface of the ball shaft.

[0008] The molded positioning part includes a connecting block, a positioning rod, and a positioning column. The connecting block is symmetrically fixed on opposite sides of the outer surface of the connecting ring, and the positioning rod is symmetrically arranged outside the connecting block. The positioning column has symmetrical threads that penetrate the middle of the outer end of the positioning rod.

[0009] Furthermore, a through hole is opened through the middle of the ball shaft, and the inner diameter of the through hole is larger than the outer diameter of the wire.

[0010] Furthermore, a screw hole is provided in the middle of the outer end of the positioning rod, and a thread is arranged in the middle of the outer surface of the positioning column, and a rotating wheel is fixed in the middle of the upper end of the positioning column.

[0011] Furthermore, a sleeve is fixed in the middle of the outer side of the connecting block, and a convex column is provided in the middle of the inner side of the positioning column, and one end of the convex column is sleeved in the sleeve.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] The utility model adopts a heatable and deformable mold body to cooperate with a conduit port to insert the wire. After the wire is deformed and formed, it can be taken out at a temperature far below the phase change temperature, and the temperature value phase change temperature can be increased to form and shape the wire. The structure is simple, the mold body can be deformed according to the required shape, the applicability is strong, and different usage requirements can be met.

[0014] Based on the above beneficial effects, a positionable positioning column is provided, which is used in conjunction with a positioning rod. Under the universal angular rotation of the ball shaft, the direction of the positioning column can be adjusted according to usage requirements, and the resistance force formed by the lower end of the positioning column and the contact surface can be used to fix the mold body in the forming process, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the appearance diagram of the utility model;

[0016] Figure 2 This is a state diagram of the utility model where the positioning column is not installed;

[0017] Figure 3 This is a state diagram of the installation positioning column of the utility model.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 11. mold body; 12. catheter port; 2. wire; 31. ring tube; 32. connecting ring; 33. ball shaft; 41. connecting block; 42. positioning rod; 43. positioning column; 44. rotating wheel; 45. sleeve. DETAILED DESCRIPTION

[0020] See also Figure 1-3 This embodiment is a nickel-titanium wire mold, including a mold part, the mold part includes a mold body 11 and a conduit port 12; the mold body 11 is provided with a conduit port 12 in the middle, and the wire 2 is placed inside the conduit port 12, and the end of the wire 2 extends out of the conduit port 12; the mold body 11 is used in conjunction with the conduit port 12 to shape the wire 2 into various shapes;

[0021] After one end of the wire 2 is placed inside one end of the conduit port 12, a forward pushing force is applied to move the wire 2 out of the other end of the conduit port 12; then, the mold body 11 positioned by the molding positioning part described below is positioned and fixed, and the mold body 11 is heated to be molded; then, after molding, the wire 2 is directly pulled out of the mold body 11 at a temperature far below the product phase transition temperature, and the ambient temperature is raised to the product phase transition temperature;

[0022] This solution has a simple structure, and the mold body 11 can be deformed according to the required shape. It has strong applicability and can meet different usage requirements.

[0023] On the basis of the above-mentioned embodiment, this nickel-titanium wire mold further includes an angle adjustment portion, which includes a ring tube 31, a connecting ring 32, and a ball shaft 33;

[0024] The ring tube 31 is buckled into the end of the catheter port 12, and the ball shaft 33 moves in the middle of the ring tube 31, and the connecting ring 32 is sleeved on the upper outer surface of the ball shaft 33;

[0025] The ring tube 31 performs structural movable installation on the ball shaft 33, and the connecting ring 32 can be installed through the ball shaft 33 to meet the requirements of multi-angle adjustment. The connecting ring 32 performs structural installation on the connecting block 41 described below;

[0026] A through hole is formed in the middle of the ball shaft 33, and the inner diameter of the through hole is larger than the outer diameter of the wire 2, so that the through hole can pass through the wire.

[0027] On the basis of the above-mentioned embodiment, this nickel-titanium wire mold further includes a forming and positioning portion, and the forming and positioning portion includes a connecting block 41, a positioning rod 42, and a positioning column 43;

[0028] The connecting blocks 41 are symmetrically fixed to opposite sides of the outer surface of the connecting ring 32, and the positioning rods 42 are symmetrically arranged outside the connecting blocks 41, and the positioning columns 43 are symmetrically threaded through the middle of the outer ends of the positioning rods 42;

[0029] The connection block 41 is used to structurally install the positioning rod 42, and the positioning column 43 is threadedly installed through the positioning rod 42. The resistance force formed by the lower end of the positioning column 43 and the contact surface can position and fix the mold body 11 during molding;

[0030] A screw hole is provided in the middle of the outer end of the positioning rod 42, and a thread is arranged in the middle of the outer surface of the positioning column 42, and a rotating wheel 44 is fixed in the middle of the upper end of the positioning column 43; the arrangement of the screw hole and the thread meets the requirements of the threaded connection, and the rotating wheel 44 is used to apply the force required for disassembly and assembly of the positioning column 43;

[0031] A sleeve 45 is fixed in the middle of the outer side of the connecting block 41, and a convex column is provided in the middle of the inner side of the positioning column 43, one end of which is sleeved in the sleeve 45; the sleeve connection between the sleeve 45 and the convex column installs and fixes the positioning rod 43 and the connecting block 41;

[0032] After the connecting blocks 41 are fixed to the two opposite sides of the outer surface of the connecting ring 32, the positioning rod 42 is installed and fixed by sleeve connection between the protruding column and the sleeve 45;

[0033] Apply a rotational force to the ball shaft 33 as required, and the ball shaft 33 moves inside the ring tube 31 to adjust the position by rotation; then, the positioning column 43 is controlled by the rotating wheel 44, and its lower end is placed in the screw hole and a rotational tightening force is applied, and the thread at the lower end of the positioning column 43 extends out of the screw hole and contacts the contact surface to form a resistance force, thereby positioning the mold body 11 being formed;

[0034] This solution can be adjusted and used at multiple angles, and is suitable for fixing the mold body 11 during molding in multiple environments. It has strong applicability and can meet different usage requirements.

Claims

1. A nickel-titanium wire die, characterized in that: It includes a mold part, an angle adjustment part, and a molding positioning part; The mold part comprises a mold body (11) and a conduit opening (12), wherein the conduit opening (12) penetrates the middle of the mold body (11), and a wire material (2) is placed inside the conduit opening (12), and an end portion of the wire material (2) extends out of the conduit opening (12); The angle adjustment portion comprises a ring tube (31), a connecting ring (32), and a ball shaft (33); the ring tube (31) is buckled into the end of the catheter port (12), the ball shaft (33) moves in the middle of the ring tube (31), and the connecting ring (32) is sleeved on the upper outer surface of the ball shaft (33); The molded positioning portion comprises a connecting block (41), a positioning rod (42), and a positioning column (43); the connecting block (41) is symmetrically fixed to opposite sides of the outer surface of the connecting ring (32); the positioning rod (42) is symmetrically arranged outside the connecting block (41); and the positioning column (43) is symmetrically threaded and penetrates the middle of the outer end of the positioning rod (42).

2. A nickel-titanium wire mold according to claim 1, characterized in that: A through hole is formed through the middle of the ball shaft (33), and the inner diameter of the through hole is greater than the outer diameter of the wire (2).

3. A nickel-titanium wire mold according to claim 1, characterized in that: A screw hole is provided in the middle of the outer end of the positioning rod (42), and a thread is provided in the middle of the outer surface of the positioning column (43). A rotating wheel (44) is fixed in the middle of the upper end of the positioning column (43).

4. A nickel-titanium wire mold according to claim 1, characterized in that: A sleeve (45) is fixed to the middle of the outer side of the connection block (41), and a convex column is provided to the middle of the inner side of the positioning column (43), one end of the convex column being sleeved in the sleeve (45).

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