Positioning device for tungsten-molybdenum wire drawing machine

Abstract

The utility model discloses a positioning device for tungsten molybdenum wire drawing machine, including the controller of installation in the surface of wire drawing machine and the positioning mechanism between the two groups of guide pulley of installation of wire drawing machine, the positioning mechanism is by no.

Description

Technical Field

[0001] This utility model relates to the field of wire drawing machine technology, specifically to a positioning device for a tungsten-molybdenum wire drawing machine. Background Technology

[0002] Tungsten and molybdenum are high-temperature resistant metals with good thermal and electrical conductivity, low coefficient of thermal expansion, high-temperature strength, low vapor pressure, and wear resistance. They are important materials for applications in the electronics and power equipment manufacturing industry, metal processing industry, glass manufacturing industry, high-temperature furnace structural component manufacturing industry, aerospace and defense industry. Among the processing types of tungsten and molybdenum, wire drawing is one of the common processing methods. It is usually processed by wire drawing machine to obtain tungsten and molybdenum wires of the required diameter.

[0003] However, traditional wire drawing machines mostly use guide wheels or guide holes to position the wire, which leads to assembly gaps and wear issues, and cannot accurately constrain the radial position of the wire. Before entering the drawing die, the wire is prone to high-frequency vibration and lateral oscillation, causing misalignment between the wire and the drawing die, resulting in excessive stress and making the wire prone to breakage.

[0004] Therefore, it is necessary to invent a positioning device for a tungsten-molybdenum wire drawing machine to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a positioning device for a tungsten-molybdenum wire drawing machine to solve the problems mentioned above.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a positioning device for a tungsten-molybdenum wire drawing machine, comprising a controller mounted on the surface of the wire drawing machine and a positioning mechanism mounted between two sets of guide wheels of the wire drawing machine. The positioning mechanism consists of a first positioning component and a second positioning component. The first positioning component includes a first bidirectional ball screw module with positive and negative teeth vertically arranged on one side of the back of the wire drawing die. A first fork-shaped bracket is mounted on each of the two slide surfaces of the first bidirectional ball screw module with positive and negative teeth. The two forked ends of the first fork-shaped bracket extend to the left and right sides of the wire drawing die of the wire drawing machine, respectively. A first positioning slide roller is rotatably connected to each of the two forked ends of the first fork-shaped bracket. The second positioning component includes a second bidirectional ball screw module with forward and reverse teeth, which is horizontally positioned directly below the drawing die. Each of the two slide surfaces of the second bidirectional ball screw module has a second fork-shaped bracket installed. The two forked ends of the second fork-shaped bracket extend to the left and right sides of the drawing die of the drawing machine, respectively. Each of the two forked ends of the second fork-shaped bracket is rotatably connected to a second positioning slide roller.

[0007] Preferably, the two No. 1 fork-shaped supports are symmetrically distributed about the upper and lower sides of the drawing die. When the two No. 1 fork-shaped supports approach each other, the wire passing through the drawing die can be clamped from the top and bottom by the No. 1 positioning slide roller, which is also symmetrical from the top and bottom.

[0008] Preferably, the two No. 2 fork-shaped supports are symmetrically distributed about the front and rear sides of the drawing die. When the two No. 2 fork-shaped supports approach each other, the wire passing through the drawing die can be clamped from the front and back by the No. 2 positioning slide rollers that are also symmetrical from top to bottom.

[0009] Preferably, a photoelectric sensor transmitter is mounted on one slide surface of the first bidirectional ball screw module, and a photoelectric sensor receiver is mounted on the other slide surface of the first bidirectional ball screw module. Both the first bidirectional ball screw module and the photoelectric sensor receiver are electrically connected to the controller.

[0010] Preferably, when the controller controls the No. 1 forward and reverse toothed ball screw bidirectional module to drive the two No. 1 fork-shaped brackets to approach each other, after the light emitted by the No. 1 photoelectric sensor transmitter is received by the No. 1 photoelectric sensor receiver, the No. 1 photoelectric sensor receiver converts the light signal into an electrical signal and sends it to the controller. After receiving the signal, the controller controls the No. 1 forward and reverse toothed ball screw bidirectional module to stop operating. At this time, the distance between the No. 1 positioning rollers on the two No. 1 fork-shaped brackets is exactly equal to the diameter of the wire. At the same time, since the No. 1 positioning rollers and the No. 1 fork-shaped brackets are rotatably connected, the No. 1 positioning rollers can position and clamp the wire without affecting the normal conveying of the wire.

[0011] Preferably, a second photoelectric sensor transmitter is mounted on one of the slide surfaces of the second bidirectional ball screw module, and a second photoelectric sensor receiver is mounted on the other slide surface of the second bidirectional ball screw module. Both the second bidirectional ball screw module and the second photoelectric sensor receiver are electrically connected to the controller.

[0012] Preferably, when the controller controls the bidirectional module of the No. 2 forward and reverse toothed ball screw to drive the two No. 2 fork-shaped brackets to approach each other, after the light emitted by the No. 2 photoelectric sensor transmitter is received by the No. 2 photoelectric sensor receiver, the No. 2 photoelectric sensor receiver converts the light signal into an electrical signal and sends it to the controller. After receiving the signal, the controller controls the bidirectional module of the No. 2 forward and reverse toothed ball screw to stop operating. At this time, the distance between the No. 2 positioning rollers on the two No. 2 fork-shaped brackets is exactly equal to the diameter of the wire. At the same time, since the No. 2 positioning rollers and the No. 2 fork-shaped brackets are rotatably connected, the No. 2 positioning rollers can position and clamp the wire without affecting the normal conveying of the wire.

[0013] Preferably, after the No. 1 positioning roller and the No. 2 positioning roller on the positioning mechanism clamp and position the wire at both ends of the drawing die, it can prevent the wire from vibrating at high frequency and swinging laterally before entering the drawing die, thus avoiding the wire from breaking.

[0014] The technical effects and advantages provided by this utility model in the above technical solution are as follows: 1. By setting a positioning mechanism between the two sets of guide wheels of the wire drawing machine, the No. 1 positioning component and the No. 2 positioning component are used to clamp and position the wire in the vertical and horizontal directions and the front and back directions respectively, avoiding the radial position deviation caused by assembly gap and wear in the traditional positioning method; 2. The positioning mechanism, through the rotating connection design of the first and second positioning rollers, allows the wire to move freely along the axial direction while clamping it, ensuring smooth wire feeding during the drawing process. At the same time, it suppresses high-frequency vibration and lateral sway of the wire before entering the drawing die. By reducing the misalignment and stress concentration between the wire and the drawing die, it helps to reduce the risk of wire breakage. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of the positioning mechanism of this utility model before clamping and positioning the wire. Figure 3 This is a schematic diagram of the structure of the positioning mechanism of this utility model after clamping and positioning the wire. Figure 4 This is a schematic diagram of the structure of the No. 1 positioning component of this utility model; Figure 5 This is a structural schematic diagram of the No. 2 positioning component of this utility model.

[0016] Explanation of reference numerals in the attached figures: 1. Controller; 2. Positioning mechanism; 3. Positioning component 1; 4. Positioning component 2; 5. Bidirectional ball screw module 1 (forward and reverse teeth); 6. Fork-shaped bracket 1; 7. Positioning roller 1; 8. Bidirectional ball screw module 2 (forward and reverse teeth); 9. Fork-shaped bracket 2; 10. Positioning roller 2; 11. Photoelectric sensor receiver 1; 12. Photoelectric sensor receiver 2. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0018] This utility model provides, for example Figure 1-5The positioning device for a tungsten-molybdenum wire drawing machine shown includes a controller 1 installed on the surface of the wire drawing machine and a positioning mechanism 2 installed between two sets of guide wheels of the wire drawing machine. The positioning mechanism 2 consists of a first positioning component 3 and a second positioning component 4. The first positioning component 3 includes a first bidirectional ball screw module 5 with forward and reverse teeth vertically arranged on one side of the back of the wire drawing die. A first fork-shaped bracket 6 is installed on each of the two slide surfaces of the first bidirectional ball screw module 5. The two forked ends of the first fork-shaped bracket 6 extend to the left and right sides of the wire drawing die of the wire drawing machine, respectively. A first positioning slide roller 7 is rotatably connected to each of the two forked ends of the first fork-shaped bracket 6. The second positioning component 4 includes a second bidirectional ball screw module 8 with forward and reverse teeth, which is horizontally positioned directly below the drawing die. Each of the two slide surfaces of the second bidirectional ball screw module 8 has a second fork-shaped bracket 9 installed. The two forked ends of the second fork-shaped bracket 9 extend to the left and right sides of the drawing die of the drawing machine, respectively. Each of the two forked ends of the second fork-shaped bracket 9 is rotatably connected to a second positioning slide roller 10.

[0019] In one aspect of this embodiment, two No. 1 fork-shaped brackets 6 are symmetrically distributed about the upper and lower sides of the drawing die. When the two No. 1 fork-shaped brackets 6 approach each other, the wire passing through the drawing die can be clamped from the top and bottom by the No. 1 positioning slide rollers 7, which are also symmetrical from the top and bottom.

[0020] Two No. 2 fork-shaped brackets 9 are symmetrically distributed about the front and rear sides of the drawing die. When the two No. 2 fork-shaped brackets 9 approach each other, the wire passing through the drawing die can be clamped from the front and back by the No. 2 positioning slide rollers 10, which are also symmetrical from top to bottom.

[0021] A photoelectric sensor transmitter is mounted on one of the slide surfaces of the No. 1 forward and reverse ball screw bidirectional module 5, and a photoelectric sensor receiver 11 is mounted on the other slide surface. Both the No. 1 forward and reverse ball screw bidirectional module 5 and the No. 1 photoelectric sensor receiver 11 are electrically connected to the controller 1. When the controller 1 controls the No. 1 forward and reverse ball screw bidirectional module 5 to drive the two No. 1 fork-shaped brackets 6 to approach each other, the light emitted by the No. 1 photoelectric sensor transmitter is detected by the No. 1 photoelectric sensor receiver 11. After receiving the signal, the first photoelectric sensor receiver 11 converts the light signal into an electrical signal and sends it to the controller 1. After receiving the signal, the controller 1 controls the first bidirectional ball screw module 5 to stop operating. At this time, the distance between the first positioning rollers 7 on the two first fork-shaped brackets 6 is exactly equal to the diameter of the wire. At the same time, since the first positioning rollers 7 and the first fork-shaped brackets 6 are rotatably connected, the first positioning rollers 7 can position and clamp the wire without affecting the normal conveying of the wire.

[0022] A photoelectric sensor transmitter is mounted on one of the slide surfaces of the No. 2 forward and reverse thread ball screw bidirectional module 8, and a photoelectric sensor receiver 12 is mounted on the other slide surface. Both the No. 2 forward and reverse thread ball screw bidirectional module 8 and the No. 2 photoelectric sensor receiver 12 are electrically connected to the controller 1. When the controller 1 controls the No. 2 forward and reverse thread ball screw bidirectional module 8 to drive the two No. 2 fork-shaped brackets 9 to approach each other, the light emitted by the No. 2 photoelectric sensor transmitter is detected by the No. 2 photoelectric sensor receiver 12. After receiving the signal, the second photoelectric sensor receiver 12 converts the optical signal into an electrical signal and sends it to the controller 1. After receiving the signal, the controller 1 controls the second bidirectional ball screw module 8 to stop operating. At this time, the distance between the second positioning rollers 10 on the two second fork-shaped brackets 9 is exactly equal to the diameter of the wire. At the same time, since the second positioning rollers 10 and the second fork-shaped brackets 9 are rotatably connected, the second positioning rollers 10 can position and clamp the wire without affecting the normal conveying of the wire.

[0023] After the No. 1 positioning roller 7 and the No. 2 positioning roller 10 on the positioning mechanism 2 clamp and position the wire at both ends of the drawing die, they can prevent the wire from vibrating at high frequency and swinging laterally before entering the drawing die, thus avoiding the wire from breaking.

[0024] The controller 1, the first bidirectional ball screw module 5, the second bidirectional ball screw module 8, the first photoelectric sensor transmitter, the first photoelectric sensor receiver 11, the second photoelectric sensor transmitter, and the second photoelectric sensor receiver 12 mentioned above are all existing technology products, and their specific structures and functions will not be described in detail here.

[0025] Working principle of this utility model: Refer to the instruction manual appendix Figure 1-5 When using this utility model, firstly, the tungsten-molybdenum wire to be processed is passed through the drawing die via the guide wheel. At this time, the wire is in a free state. Then, the controller 1 is started, and the preset parameters are input through the preset program to provide a reference for subsequent positioning. The controller 1 drives the No. 1 forward and reverse tooth ball screw bidirectional module 5 to operate. Its two slides move synchronously towards each other, driving the No. 1 fork-shaped bracket 6 and the No. 1 positioning slide roller 7 to approach the wire. When the No. 1 fork-shaped bracket 6 moves to the set distance, the light emitted by the No. 1 photoelectric sensor is received by the No. 1 photoelectric sensor receiver 11. The receiver converts the light signal into an electrical signal and transmits it to the controller 1. After receiving the signal, the controller 1 immediately stops the No. 1 forward and reverse tooth ball screw bidirectional module 5. At this time, the distance between the upper and lower sets of No. 1 positioning slide rollers 7 is exactly equal to the diameter of the wire, realizing precise clamping in the up and down direction. The controller 1 synchronously drives the second bidirectional ball screw module 8 with forward and reverse teeth. Its slide table drives the second fork-shaped bracket 9 and the second positioning slide roller 10 to move towards each other to clamp the wire in the front and back direction. Similar to the positioning in the up and down direction, the second photoelectric sensor transmitter and the second photoelectric sensor receiver 12 cooperate. When the light is received, the controller 1 stops the second bidirectional ball screw module 8 with forward and reverse teeth, so that the distance between the two sets of second positioning slide rollers 10 matches the diameter of the wire, and achieves precise clamping in the front and back direction. After positioning, the No. 1 positioning roller 7 and the No. 2 positioning roller 10 are connected by a rotating design, which allows the wire to move freely along the axial direction while clamping it, ensuring that the wire can be smoothly transported during the drawing process. At the same time, the positioning mechanism 2 suppresses the high-frequency vibration and lateral sway of the wire before it enters the drawing die, avoiding stress concentration and breakage risks caused by skew.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning device for a tungsten-molybdenum wire drawing machine, comprising a controller (1) mounted on the surface of the wire drawing machine and a positioning mechanism (2) mounted between two sets of guide wheels of the wire drawing machine, characterized in that: The positioning mechanism (2) consists of a first positioning component (3) and a second positioning component (4). The first positioning component (3) includes a first bidirectional ball screw module (5) with forward and reverse teeth vertically arranged on one side of the back of the drawing die. A first fork-shaped bracket (6) is installed on each of the two slide surfaces of the first bidirectional ball screw module (5). The two forked ends of the first fork-shaped bracket (6) extend to the left and right sides of the drawing die of the drawing machine, respectively. A first positioning slide roller (7) is rotatably connected to each of the two forked ends of the first fork-shaped bracket (6). The second positioning component (4) includes a second bidirectional ball screw module (8) with forward and reverse teeth arranged horizontally below the drawing die. A second fork-shaped bracket (9) is installed on each of the two slide surfaces of the second bidirectional ball screw module (8). The two forked ends of the second fork-shaped bracket (9) extend to the left and right sides of the drawing die of the drawing machine, respectively. A second positioning slide roller (10) is rotatably connected to each of the two forked ends of the second fork-shaped bracket (9).

2. The positioning device for a tungsten-molybdenum wire drawing machine according to claim 1, characterized in that: The two No. 1 fork-shaped brackets (6) are symmetrically distributed about the upper and lower sides of the drawing die. When the two No. 1 fork-shaped brackets (6) approach each other, the wire passing through the drawing die can be clamped by the No. 1 positioning slide rollers (7) which are also symmetrical about the upper and lower sides.

3. The positioning device for a tungsten-molybdenum wire drawing machine according to claim 1, characterized in that: The two No. 2 fork-shaped brackets (9) are symmetrically distributed about the front and rear sides of the drawing die. When the two No. 2 fork-shaped brackets (9) approach each other, the wire passing through the drawing die can be clamped from the front and back by the No. 2 positioning slide rollers (10) that are also symmetrical from top to bottom.

4. The positioning device for a tungsten-molybdenum wire drawing machine according to claim 1, characterized in that: A photoelectric sensor transmitter is installed on one of the slide surfaces of the first bidirectional ball screw module (5), and a photoelectric sensor receiver (11) is installed on the other slide surface of the first bidirectional ball screw module (5). Both the first bidirectional ball screw module (5) and the photoelectric sensor receiver (11) are electrically connected to the controller (1).

5. The positioning device for a tungsten-molybdenum wire drawing machine according to claim 4, characterized in that: When the controller (1) controls the No. 1 forward and reverse tooth ball screw bidirectional module (5) to drive the two No. 1 fork-shaped brackets (6) to approach each other, after the light emitted by the No. 1 photoelectric sensor transmitter is received by the No. 1 photoelectric sensor receiver (11), the No. 1 photoelectric sensor receiver (11) converts the light signal into an electrical signal and sends it to the controller (1). After receiving the signal, the controller (1) controls the No. 1 forward and reverse tooth ball screw bidirectional module (5) to stop operating. At this time, the distance between the No. 1 positioning slide rollers (7) on the two No. 1 fork-shaped brackets (6) is exactly equal to the diameter of the wire. At the same time, since the No. 1 positioning slide roller (7) and the No. 1 fork-shaped bracket (6) are rotatably connected, the No. 1 positioning slide roller (7) can position and clamp the wire without affecting the normal conveying of the wire.

6. The positioning device for a tungsten-molybdenum wire drawing machine according to claim 1, characterized in that: The second photoelectric sensor transmitter is installed on one of the slide surfaces of the second forward and reverse ball screw bidirectional module (8), and the second photoelectric sensor receiver (12) is installed on the other slide surface of the second forward and reverse ball screw bidirectional module (8). Both the second forward and reverse ball screw bidirectional module (8) and the second photoelectric sensor receiver (12) are electrically connected to the controller (1).

7. The positioning device for a tungsten-molybdenum wire drawing machine according to claim 6, characterized in that: When the controller (1) controls the bidirectional module (8) of the No. 2 forward and reverse tooth ball screw to drive the two No. 2 fork-shaped brackets (9) to approach each other, after the light emitted by the No. 2 photoelectric sensor transmitter is received by the No. 2 photoelectric sensor receiver (12), the No. 2 photoelectric sensor receiver (12) converts the light signal into an electrical signal and sends it to the controller (1). After receiving the signal, the controller (1) controls the No. 2 forward and reverse tooth ball screw bidirectional module (8) to stop operating. At this time, the distance between the No. 2 positioning slide rollers (10) on the two No. 2 fork-shaped brackets (9) is exactly equal to the diameter of the wire. At the same time, since the No. 2 positioning slide rollers (10) and the No. 2 fork-shaped brackets (9) are rotatably connected, the No. 2 positioning slide rollers (10) can position and clamp the wire without affecting the normal conveying of the wire.

8. The positioning device for a tungsten-molybdenum wire drawing machine according to claim 1, characterized in that: After the No. 1 positioning slide roller (7) and the No. 2 positioning slide roller (10) on the positioning mechanism (2) clamp and position the wire at both ends of the drawing die, the wire can be prevented from vibrating at high frequency and swinging laterally before entering the drawing die, thus avoiding the wire from breaking.

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