Nickel-titanium wire precise positioning device for precise centerless grinding machine

Abstract

The nickel-titanium wire precise positioning device for the precise centerless grinding machine comprises a grinding machine tool, a first grinding machine and a second grinding machine are arranged on the upper end face of the grinding machine tool respectively, the first grinding machine and the second grinding machine are both connected to the grinding machine tool in a sliding mode, and a display screen is fixedly arranged on the outer wall of the grinding machine tool. A positioning assembly is arranged between the first grinding machine and the second grinding machine, the positioning assembly comprises two positioning seats, V-shaped frames and a two-way screw rod, the two positioning seats are symmetrically arranged at the upper end of the grinding machine tool, the V-shaped frames are arranged at the upper ends of the two positioning seats, and the two-way screw rod is arranged at the lower end of the two positioning seats. The two ends of the two-way lead screw are rotationally installed in the two V-shaped frames, nickel-titanium wires of different sizes can be conveniently ground while the nickel-titanium wires are accurately positioned, the height of the nickel-titanium wires is adjusted so that the nickel-titanium wires can be located at the optimal grinding position in the grinding process, and practicability is achieved.

Description

Technical Field

[0001] This utility model relates to the field of precision machining equipment technology, and in particular to a nickel-titanium wire precision positioning device for a precision centerless grinder. Background Technology

[0002] Precision centerless grinders are equipment used for high-precision external cylindrical grinding. They play an indispensable role in many fields such as machinery manufacturing, automotive parts processing, and aerospace. In the processing of nickel-titanium wire, precision centerless grinders are commonly used to perform external cylindrical grinding on nickel-titanium wire to achieve the required dimensional accuracy and surface quality.

[0003] Existing nickel-titanium wire machining methods have some shortcomings when processed by precision centerless grinders. The nickel-titanium wire requires positioning during machining before grinding with grinding rollers. Traditional positioning methods struggle to precisely control the wire's position, leading to positional shifts during grinding and affecting grinding accuracy. This results in larger dimensional tolerances in the machined nickel-titanium wire, failing to meet the requirements of high-precision products. Existing methods can only fix the dimensions of nickel-titanium wires of fixed sizes, reducing the applicability of the positioning device. To address these issues, an improved and upgraded precision positioning device for nickel-titanium wire in a precision centerless grinder is proposed. Utility Model Content

[0004] The purpose of this invention is to provide a nickel-titanium wire precision positioning device for a precision centerless grinder, so as to solve the problems mentioned in the background art.

[0005] To solve the above problems, the following technical solutions are provided:

[0006] A precision positioning device for nickel-titanium wire in a precision centerless grinder is designed, comprising a grinding machine tool. A first grinding machine and a second grinding machine are respectively arranged on the upper surface of the grinding machine tool. The first grinding machine and the second grinding machine are slidably connected to the grinding machine tool. A display screen is fixedly arranged on the outer wall of the grinding machine tool. A positioning assembly is arranged between the first grinding machine and the second grinding machine. The positioning assembly includes a positioning seat, a V-shaped bracket, and a bidirectional lead screw. There are two positioning seats, which are symmetrically arranged on the upper surface of the grinding machine tool. A V-shaped bracket is arranged on the upper end of each of the two positioning seats. Both ends of the bidirectional lead screw are rotatably installed inside the two V-shaped brackets.

[0007] Furthermore, one end of the bidirectional lead screw is fixedly connected to the output end of a small motor, and the small motor is fixedly installed inside one of the V-shaped frames. Two guide plates are threadedly connected to the outer wall of the bidirectional lead screw.

[0008] Furthermore, the two guide plates are symmetrically positioned, and one end of each guide plate is fixedly connected to a V-shaped block. The internal dimensions of the V-shaped block and the V-shaped frame are compatible, and a rubber pad is installed on the outer wall of the V-shaped block.

[0009] Furthermore, both of the V-shaped frames have sliding grooves at their upper ends, and both of the outer walls of the two guide plates have sliders that are slidably connected to the sliding grooves.

[0010] Furthermore, both positioning seats have mounting slots inside, and lifting cylinders are installed inside the mounting slots. A top plate is fixedly installed at one end of the lifting cylinder, and the top plate is attached to the bottom of the V-shaped frame.

[0011] Furthermore, the bottom of the V-shaped frame is provided with four guide grooves, and guide slides are fixedly installed at the four corners of the upper end of the positioning seat. The guide slides and guide grooves are matched in size.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model device includes a positioning seat, a V-shaped frame, a bidirectional lead screw, a small motor, guide plates, and V-blocks. The small motor drives the two guide plates on the bidirectional lead screw to move relative to each other on the V-shaped frame, thereby causing the two V-blocks to move relative to each other and fix their ends according to the size of the nickel-titanium wire. At the same time, the guide plates use sliders to slide and limit the movement within the V-shaped frame, which is beneficial for precise positioning of the nickel-titanium wire and facilitates grinding of nickel-titanium wires of different sizes. It avoids problems such as positional displacement of the nickel-titanium wire during grinding, which affects the processing accuracy, thus improving the grinding accuracy of the nickel-titanium wire. The structure is simple.

[0014] 2. The device of this utility model is equipped with components such as lifting cylinder, top plate, V-shaped frame, and guide slide plate. By simultaneously driving the lifting cylinder on the two positioning seats, the height of the V-shaped frame on the top plate is adjusted. At the same time, when the V-shaped frame moves, it slides on the guide slide plate through the internal guide groove, which can adjust the height of the V-shaped frame to adapt to the position requirements of nickel-titanium wires of different diameters at the center height, and ensure that the nickel-titanium wire is in the optimal grinding position during the grinding process.

[0015] Specific embodiments of the present invention are disclosed in detail with reference to the following description and accompanying drawings, indicating how the principles of the present invention can be employed. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications, and equivalents. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure of a nickel-titanium wire precision positioning device for a precision centerless grinder according to the present invention;

[0018] Figure 2 This is a schematic diagram of a partial side motion structure of a nickel-titanium wire precision positioning device for a precision centerless grinder according to the present invention;

[0019] Figure 3 for Figure 1 A magnified schematic diagram of the local structure;

[0020] Figure 4 for Figure 3 A partial enlarged diagram of the split structure;

[0021] Figure 5 for Figure 4 A magnified diagram of the partially disassembled structure.

[0022] In the diagram: 1. Grinding machine tool; 2. First grinding machine; 3. Second grinding machine; 4. Positioning assembly; 41. Positioning seat; 411. Lifting cylinder; 412. Top plate; 413. Guide slide plate; 414. Guide groove; 415. Mounting groove; 42. V-shaped frame; 43. Two-way lead screw; 44. Small motor; 45. Guide plate; 46. V-block; 47. Rubber pad; 48. Slider; 49. Slide groove; 5. Display screen. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] like Figure 1 - Figure 5 As shown in the figure, this embodiment provides a precision positioning device for a nickel-titanium wire in a precision centerless grinder, including a grinding machine tool 1. A first grinding machine 2 and a second grinding machine 3 are respectively provided on the upper end face of the grinding machine tool 1. The first grinding machine 2 and the second grinding machine 3 are slidably connected to the machine tool. A display screen 5 is fixedly provided on the outer wall of the grinding machine tool 1. A positioning component 4 is provided between the first grinding machine 2 and the second grinding machine 3. The positioning component 4 includes a positioning seat 41, a V-shaped frame 42 and a bidirectional lead screw 43. There are two positioning seats 41, and the two positioning seats 41 are symmetrically arranged on the upper end of the grinding machine tool 1. A V-shaped frame 42 is provided on the upper end of each of the two positioning seats 41. Both ends of the bidirectional lead screw 43 are rotatably installed inside the two V-shaped frames 42.

[0025] Preferably, one end of the bidirectional lead screw 43 is fixedly connected to the output end of the small motor 44, and the small motor 44 is fixedly installed inside one of the V-shaped frames 42. The outer wall of the bidirectional lead screw 43 is threaded with two guide plates 45. The two guide plates 45 are symmetrically positioned, and one end of each guide plate 45 is fixedly connected to a V-shaped block 46. The internal dimensions of the V-shaped block 46 and the V-shaped frame 42 are compatible, and a rubber pad 47 is installed on the outer wall of the V-shaped block 46. The upper end of each of the two V-shaped frames 42 is provided with a sliding groove 49, and sliders 48 are provided on both sides of the outer wall of each of the two guide plates 45, and the sliders 48 are slidably connected to the sliding grooves 49.

[0026] By driving a small motor 44, two guide plates 45 on a bidirectional lead screw 43 move relative to each other on a V-shaped frame 42, thereby driving two V-shaped blocks 46 to move relative to each other and fix their ends according to the size of the nickel-titanium wire. At the same time, when the guide plates 45 move, they slide and cooperate within the V-shaped frame 42 using a slider 48 to limit their movement, which facilitates precise positioning of the nickel-titanium wire and facilitates grinding of nickel-titanium wires of different sizes.

[0027] Preferably, each of the two positioning seats 41 has an installation groove 415 inside, and a lifting cylinder 411 is installed inside the installation groove 415. A top plate 412 is fixedly installed at one end of the lifting cylinder 411, and the top plate 412 is attached to the bottom of the V-shaped frame 42. The bottom of the V-shaped frame 42 has four guide grooves 414. Guide slide plates 413 are fixedly installed at the four corners of the upper end of the positioning seat 41. The guide slide plates 413 and the guide grooves 414 are matched in size, which facilitates the adjustment of the height of the nickel-titanium wire and adapts to the needs of nickel-titanium wires of different diameters to be at the center height position for easy grinding.

[0028] The working principle and process of this utility model are as follows: When grinding nickel-titanium wire, the operator places the nickel-titanium wire on two V-shaped supports 42. At this time, the external power supply is connected, driving the small motor 44 to move the two guide plates 45 on the bidirectional lead screw 43 relative to each other on the V-shaped supports 42. This causes the two V-blocks 46 to move relative to each other and fix the two ends of the nickel-titanium wire according to its size. At the same time, the guide plates 45 slide within the V-shaped supports 42 using sliders 48 to limit their movement, which facilitates precise positioning of the nickel-titanium wire and allows for grinding of nickel-titanium wire of different sizes, avoiding damage to the nickel-titanium wire during grinding. To address issues such as positional deviation affecting machining accuracy during machining, after the nickel-titanium wire is fixed, the first grinding machine 2 and the second grinding machine 3 are driven to move on the machine tool via the control panel. This allows the grinding rollers on the outer side of the grinding machines to process and grind the nickel-titanium wire. Simultaneously, the lifting cylinders 411 on the two positioning seats 41 drive the V-shaped frame 42 on the top plate 412 to adjust its height. At the same time, when the V-shaped frame 42 moves, it slides on the guide slide plate 413 through the internal guide groove 414, which allows the height of the V-shaped frame 42 to be adjusted to accommodate the positional requirements of nickel-titanium wires of different diameters at the center height.

Claims

1. A precision positioning device for a nickel-titanium wire in a precision centerless grinder, characterized in that, The equipment includes a grinding machine (1), on the upper surface of which a first grinding machine (2) and a second grinding machine (3) are respectively provided. The first grinding machine (2) and the second grinding machine (3) are slidably connected to the machine tool. A display screen (5) is fixedly provided on the outer wall of the grinding machine (1). A positioning component (4) is provided between the first grinding machine (2) and the second grinding machine (3). The positioning component (4) includes a positioning seat (41), a V-shaped frame (42) and a two-way lead screw (43). There are two positioning seats (41), and the two positioning seats (41) are symmetrically arranged on the upper end of the grinding machine (1). A V-shaped frame (42) is provided on the upper end of each of the two positioning seats (41). Both ends of the two-way lead screw (43) are rotatably installed inside the two V-shaped frames (42).

2. The precision positioning device for a precision centerless grinder using nickel-titanium wire as described in claim 1, characterized in that, One end of the bidirectional lead screw (43) is fixedly connected to the output end of the small motor (44), and the small motor (44) is fixedly installed inside one of the V-shaped frames (42). The outer wall of the bidirectional lead screw (43) is threaded with two guide plates (45).

3. The precision positioning device for a precision centerless grinder using nickel-titanium wire according to claim 2, characterized in that, The two guide plates (45) are symmetrical to each other, and one end of each guide plate (45) is fixedly connected to a V-shaped block (46). The internal dimensions of the V-shaped block (46) and the V-shaped frame (42) are compatible, and a rubber pad (47) is installed on the outer wall of the V-shaped block (46).

4. The precision positioning device for a precision centerless grinder using nickel-titanium wire according to claim 3, characterized in that, Both of the V-shaped frames (42) have a sliding groove (49) at their upper ends, and both of the outer walls of the two guide plates (45) have sliders (48) on both sides, and the sliders (48) are slidably connected to the sliding grooves (49).

5. A precision positioning device for a precision centerless grinder using nickel-titanium wire according to claim 1, characterized in that, Both of the positioning seats (41) have an installation slot (415) inside, and a lifting cylinder (411) is installed inside the installation slot (415). A top plate (412) is fixedly installed at one end of the lifting cylinder (411), and the top plate (412) is attached to the bottom of the V-shaped frame (42).

6. The precision positioning device for a precision centerless grinder using nickel-titanium wire according to claim 5, characterized in that, The bottom of the V-shaped frame (42) is provided with four guide grooves (414), and guide slides (413) are fixedly installed at the four corners of the upper end of the positioning seat (41). The guide slides (413) and guide grooves (414) are matched in size.

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