Multi-stage heat treatment device for hyperelastic nickel-titanium alloy wire

Abstract

The utility model relates to the technical field of alloy wire processing, in particular to a multistage heat treatment device for hyperelastic nickel-titanium alloy wires. The device comprises a heating box and a cooling box which are connected, the interior of the heating box is divided into a plurality of heating cavities through a plurality of partition plates, mounting grooves are formed in the front sides of the heating box and the cooling box, a plurality of sets of movable guide wheel assemblies are arranged in each heating cavity and the cooling box, a heating pipe is arranged on the rear side of each heating cavity, and a plurality of heating heads are connected to the heating pipes. A cooling pipe is arranged in the cooling box, a plurality of cooling heads are arranged on the cooling pipe, and a plurality of air outlet holes are formed in the rear sides of the heating box and the cooling box; the heating box is provided with a plurality of chambers, and each chamber can be independently controlled to heat, so that multi-stage heating can be realized by controlling the opening and closing of the heating pipes in the chambers and controlling the heating time of the alloy wires; and the movable guide wheel assembly, the mounting groove and the heat preservation baffle are designed, the alloy wire can be transversely mounted, and manual sequential threading is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to alloy wire processing technical field, concretely relates to a kind of multistage heat treatment device of superelastic nickel-titanium alloy wire. BACKGROUND

[0002] Nickel-titanium alloy is a kind of material with unique superelasticity, shape memory effect and excellent biocompatibility, and is applied in aerospace, medical devices, robots, and the nickel alloy wire needs to be heat treated in production, but due to the use of winding, the head of the next coil of alloy wire needs to be manually inserted into the equipment after single-coil processing to continue working, which is complicated and inefficient. SUMMARY

[0003] The utility model discloses to the defects and insufficient of prior art, provide design reasonable a kind of multistage heat treatment device of superelastic nickel-titanium alloy wire, it can solve the above-mentioned defects.

[0004] To achieve the above object, the utility model adopts the following technical scheme: it contains the heating box and cooling box connected, the heating box is separated into multiple heating cavities by multiple partition plates, the front side of the heating box and the cooling box is provided with a mounting groove, multiple groups of movable guide wheel assemblies are arranged in each heating cavity and the cooling box, a heating pipe is arranged at the rear side of each heating cavity, multiple heating heads are connected to the heating pipe, a cooling pipe is arranged in the cooling box, multiple cooling heads are arranged on the cooling pipe, and multiple air outlets are formed in the rear side of the heating box and the cooling box.

[0005] Preferably, the movable guide wheel assembly comprises a fixed rod mounted in the heating box, a movable rod is rotatably mounted in the heating box above the fixed rod by a rotating assembly, a guide wheel is rotatably mounted at the front end of the fixed rod and the movable rod, and the two guide wheels are arranged oppositely.

[0006] Preferably, a pressing rod is slidably mounted on the heating box and the cooling box in the vertical direction, a groove matched with the shape of the movable rod is formed in the bottom end of the pressing rod, the bottom end of each pressing rod abuts against the movable rod, the movable rod is arranged in the groove, the top ends of multiple pressing rods are connected to a connecting plate, and a counterweight is arranged on the connecting plate.

[0007] Preferably, an inclined groove is formed in the outer edge of the guide wheel.

[0008] Preferably, a lifting telescopic cylinder is arranged on the cooling box and the heating box, the top end of the movable rod of the lifting telescopic cylinder is connected to a backing plate, and the lifting telescopic cylinder is arranged below the connecting plate.

[0009] Preferably, the heat box and the cooling box are provided with heat insulation baffle plates outside the mounting grooves and are mounted by guide rail assemblies, the heat box and the cooling box are provided with a plurality of telescopic cylinders for driving the heat insulation baffle plates, the telescopic cylinders are vertically downwardly mounted, the heat insulation baffle plates are respectively provided with circular arc-shaped grooves, and the circular arc-shaped grooves form circular holes for the alloy wires to pass through when the heat insulation baffle plates shield the mounting grooves.

[0010] After the above structure is adopted, the beneficial effects of the heat box and the cooling box are as follows:

[0011] The heat box and the cooling box are designed to heat and cool the alloy wires respectively, the heat box is designed with a plurality of chambers, each chamber can independently control heating, the heating time of the alloy wires can be controlled by controlling the opening and closing of the heating pipes in the chambers, and multi-stage heating is realized.

[0012] The alloy wires can be transversely mounted without manual threading, the heat box and the cooling box are convenient and fast to use, the mounting grooves can be closed by the heat insulation baffle plates, and the leakage of high-temperature gas is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a schematic view of the external structure of the heat box and the cooling box;

[0014] Figure 2 is a schematic view of the structure of the heat box and the cooling box when the heat insulation baffle plates are opened;

[0015] Figure 3 is a schematic view of the internal structure of the heat box and the cooling box;

[0016] Figure 4 is a schematic view of the internal structure of the heat box and the cooling box;

[0017] Figure 5 is a sectional view of the guide wheel.

[0018] BRIEF DESCRIPTION OF DRAWINGS

[0019] 1, heat box; 2, mounting groove; 3, guide rail assembly; 4, heat insulation baffle plate; 5, cooling box; 6, telescopic cylinder; 7, fixed rod; 8, movable rod; 9, rotating assembly; 10, guide wheel; 11, pressing rod; 12, connecting plate; 13, counterweight; 14, heating pipe; 15, heating head; 16, cooling pipe; 17, lifting telescopic cylinder; 18, pad; 19, inclined chute. DETAILED DESCRIPTION

[0020] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Referring to Figures 1-5 As shown in the figure, it comprises the heating box 1 and the cooling box 5 connected, the heating box 1 is separated into multiple heating cavities by multiple partition plates, the front side of the heating box 1 and the cooling box 5 is provided with a mounting groove 2, multiple groups of movable guide wheels 10 components are arranged in each heating cavity and the cooling box 5, the rear side of each heating cavity is provided with a heating pipe 14, multiple heating heads 15 are connected to the heating pipe 14, a cooling pipe 16 is arranged in the cooling box 5, multiple cooling heads are arranged on the cooling pipe 16, and multiple air outlets are formed in the rear side of the heating box 1 and the cooling box 5.

[0022] The movable guide wheel component comprises a fixed rod 7 arranged in the heating box 1, a movable rod 8 is rotatably arranged in the heating box 1 above the fixed rod 7 through a rotating component 9, the front end of the fixed rod 7 and the movable rod 8 is rotatably arranged with a guide wheel 10, and the two guide wheels 10 are arranged oppositely.

[0023] The top of the heating box 1 and the cooling box 5 is slidably arranged with a pressing rod 11 in the vertical direction, the bottom end of the pressing rod 11 is provided with a groove matched with the shape of the movable rod 8, the bottom end of each pressing rod 11 abuts against the movable rod 8, the movable rod 8 is arranged in the groove, the top end of multiple pressing rods 11 is connected with a connecting plate 12, the connecting plate 12 is provided with a counterweight 13, the lifting telescopic cylinder 17 is arranged on the cooling box 5 and the heating box 1, the top end of the movable rod 8 of the lifting telescopic cylinder 17 is connected with a pad 18, and the lifting telescopic cylinder 17 is arranged below the connecting plate 12.

[0024] The outer side of the mounting groove 2 of the heating box 1 and the cooling box 5 is arranged with a heat preservation baffle 4 through a guide rail component 3, multiple telescopic cylinders 6 for driving the heat preservation baffle 4 are arranged on the heating box 1 and the cooling box 5, the telescopic cylinders 6 are vertically downwardly arranged, the heat preservation baffle 4 is respectively provided with a circular arc-shaped groove, when the heat preservation baffle 4 shields the mounting groove 2, the circular arc-shaped groove and the end of the mounting groove 2 form a circular hole for the alloy wire to pass through.

[0025] The principle and use process of the utility model:

[0026] After the device is installed, when it is needed to use, the telescopic cylinder 6 is controlled to retract, the heat insulation baffle 4 is driven to move upwards, the installation groove 2 is exposed, then the lifting telescopic cylinder 17 is controlled to extend, the pressure rod 11 is driven to rise, the pressure rod 11 no longer presses the movable rod 8 downwards at this time, the alloy wire is pushed inwards after being pulled straight from the side of the installation groove 2 and from both ends, the alloy wire moves to the inclined chute 19, the upper guide wheel 10 is pushed upwards through the inclined surface, the movable rod 8 and the guide wheel 10 connected thereto are turned upwards, the alloy wire moves to the middle of the two guide wheels 10, the lifting telescopic cylinder 17 is retracted, the pressure rod 11 presses the movable rod 8 downwards under the gravity of the counterweight 13, the two guide wheels 10 can clamp the alloy wire, then the telescopic cylinder 6 is extended, the heat insulation baffle 4 is driven to block the installation groove 2, the relative sealing of the heating box 1 and the cooling box 5 is realized.

[0027] When it is needed to work, the alloy wire is pulled by the alloy wire two-end releasing and collecting equipment, the alloy wire starts to move along the guide wheel 10, then the heating equipment in the heating cavity is selectively started according to the temperature and time that the alloy wire needs to be heated, the alloy wire is cooled in the cooling box 5 after being heated, the excess gas is discharged through the gas outlet to keep the air pressure balanced.

[0028] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model should be included in the protection scope of the utility model. In addition, the appended claims of the utility model are intended to cover all changes and modifications falling into the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. A multi-stage heat treatment apparatus for a superelastic nickel-titanium alloy wire, characterized by: It contains the heating tank (1) and cooling tank (5) connected, the heating tank (1) is separated into multiple heating cavities by multiple partition plates, the heating tank (1) and the cooling tank (5) are provided with mounting grooves (2) on the front side, each heating cavity and the cooling tank (5) are provided with multiple groups of movable guide wheels (10) assemblies, each heating cavity is provided with a heating pipe (14) on the rear side, the heating pipe (14) is connected with multiple heating heads (15), the cooling tank (5) is provided with a cooling pipe (16), the cooling pipe (16) is provided with multiple cooling heads, the heating tank (1) and the cooling tank (5) are provided with multiple air outlets on the rear side.

2. A multi-stage heat treatment apparatus for superelastic nickel-titanium alloy wire according to claim 1, characterized by: The movable guide wheel assembly comprises a fixed rod (7) mounted in the heating tank (1), a movable rod (8) is rotatably mounted in the heating tank (1) above the fixed rod (7) through a rotating assembly (9), the front ends of the fixed rod (7) and the movable rod (8) are rotatably provided with guide wheels (10), and the two guide wheels (10) are oppositely arranged.

3. A multi-stage heat treatment apparatus for a superelastic nickel-titanium alloy wire according to claim 2, characterized by: The heating tank (1) and the cooling tank (5) are provided with pressure rods (11) which are slidably installed in the vertical direction above the heating tank (1) and the cooling tank (5), the bottom end of the pressure rod (11) is provided with a groove matched with the shape of the movable rod (8), the bottom end of each pressure rod (11) abuts against the movable rod (8), the movable rod (8) is arranged in the groove, and the top ends of the multiple pressure rods (11) are connected with a connecting plate (12), and the connecting plate (12) is provided with a counterweight (13).

4. A multi-stage heat treatment apparatus for superelastic nickel-titanium alloy wire according to claim 3, characterized by: The outer edges of the guide wheels (10) are provided with inclined grooves (19).

5. A multi-stage heat treatment apparatus for superelastic nickel-titanium alloy wire according to claim 3, characterized by: The cooling tank (5) and the heating tank (1) are provided with lifting telescopic cylinders (17), the top ends of the movable rods (8) of the lifting telescopic cylinders (17) are connected with pads (18), and the lifting telescopic cylinders (17) are located below the connecting plate (12).

6. A multi-stage heat treatment apparatus for superelastic nickel-titanium alloy wire according to claim 1, characterized by: The mounting grooves (2) of the heating tank (1) and the cooling tank (5) are provided with heat preservation baffles (4) through guide rail assemblies (3) on the outer sides, the heating tank (1) and the cooling tank (5) are provided with multiple telescopic cylinders (6) for driving the heat preservation baffles (4), the telescopic cylinders (6) are vertically downwardly installed, the heat preservation baffles (4) are respectively provided with circular arc grooves, and when the heat preservation baffles (4) shield the mounting grooves (2), the circular arc grooves and the ends of the mounting grooves (2) form circular holes for the alloy wires to pass through.

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