Wire threading guide mechanism for low-speed wire cutting

Abstract

The utility model provides a wire threading guide mechanism for low-speed wire cutting. The problems that in the existing wire cutting process, a cutting wire is located in a wire guide pipe all the time, the cutting wire shakes to a certain degree and makes contact with the inner wall of the wire guide pipe, the wire guide pipe is abraded, and the cutting precision is affected to a certain degree are solved. During wire feeding, the wire guide pipe is buckled on the cutting wire, then the wire guide pipe is moved downwards for wire feeding, the cutting wire is pressed into the wire guide pipe through the pressing block and the stripping block or the cutting wire and the wire guide pipe are separated, after wire feeding is completed, the wire guide pipe is separated from the cutting wire, the cutting wire does not make contact with the wire guide pipe in the cutting wire cutting process, and the cutting process is more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of processing equipment, in particular to a wire-threading guide mechanism for slow-moving wire cutting. Background Art

[0002] During the automatic wire threading process of the slow-feeding wire cutting machine, a set of wire feeding wheels is used to feed the wire, and a wire guide tube is required to guide the cutting wire for wire feeding. After the wire feeding is completed, the wire guide tube moves upward and resets. However, during the cutting process, the cutting wire is always located in the wire guide tube. The cutting wire will produce a certain degree of shaking and contact with the inner wall of the wire guide tube, resulting in wear of the wire guide tube and causing a certain impact on the cutting accuracy. There is room for improvement in the existing technology. Summary of the invention

[0003] In view of the above existing situation, the utility model provides a wire-threading guide mechanism for slow-wire cutting which will not affect wire cutting after wire feeding.

[0004] The invention objective of the utility model is achieved through the following technical scheme: a wire-cutting wire-threading guide mechanism is arranged on a machine tool, characterized in that it comprises a bottom plate and a base plate movably arranged on the bottom plate and movable in a horizontal direction, a wire guide tube for clamping and guiding the cutting wire is movably arranged on the base plate, the cross-section of the wire guide tube is U-shaped, and the opening of the wire guide tube faces the above-mentioned wire cutting direction, a driving mechanism for driving the above-mentioned wire guide tube to move for wire feeding is movably arranged on the base plate, and a pressing block for pressing the cutting wire into the above-mentioned wire guide tube and a stripping block for making the cutting wire detach from the wire guide tube are movably arranged on the bottom plate.

[0005] Preferably, the distance between the end face of the wire guide tube facing the cutting wire and the center of the wire guide tube is smaller than the radius of the cutting wire, and a channel for the cutting wire to pass through is provided in the wire guide tube along the length direction of the wire guide tube, and a bayonet for clamping the cutting wire is provided at the lower end of the channel, and the diameter of the bayonet is smaller than the diameter of the cutting wire.

[0006] Preferably, the pressing block is opposite to the above-mentioned bayonet and the pressing block and the wire guide tube are respectively located on both sides of the wire cutting, and a first cylinder for driving the pressing block to move in the above-mentioned wire cutting direction is provided on the bottom plate.

[0007] Preferably, the stripping block is located below the wire guide tube and can be moved closer to or farther from the cutting wire under the drive of the second cylinder.

[0008] Preferably, a slot for clamping the cutting wire is provided on the side of the stripping block facing the cutting wire.

[0009] Preferably, the driving mechanism includes a plurality of mounting seats fixedly arranged on a base plate, a slide rail movably arranged on the mounting seat is fixedly arranged on the side of the wire guide tube away from the wire cutting, the slide rail extends along the length direction of the wire guide tube, and a motor for driving the wire guide tube to move is arranged on the base plate.

[0010] Preferably, the base plate is movably arranged on the bottom plate via two guide rods, and a translation mechanism for driving the base plate to move in a horizontal direction along the guide rods is arranged on the bottom plate, and the translation mechanism is a third cylinder.

[0011] Compared with the prior art, the utility model has the following beneficial effects: when feeding the wire, the wire guide tube is buckled on the cut wire and then moved downward to feed the wire, and the cut wire is pressed into the wire guide tube or the two are separated by the pressing block and the removing block. After the wire feeding is completed, the wire guide tube is separated from the cut wire, and the cut wire does not contact the wire guide tube during the wire cutting process, and the cutting process is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is the overall structural view of the utility model;

[0013] Figure 2 It is a bottom view of the utility model;

[0014] Figure 3 for Figure 1 The enlarged view of point A in the middle;

[0015] Figure 4 for Figure 2 Enlarged view of point B in the middle.

[0016] Markings in the figure: 1. bottom plate; 2. base plate; 3. wire guide tube; 4. driving mechanism; 5. pressure block; 6. stripping block; 7. channel; 8. bayonet; 9. first cylinder; 10. second cylinder; 11. slot; 12. mounting seat; 13. slide rail; 14. motor; 15. guide rod; 16. third cylinder. DETAILED DESCRIPTION

[0017] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings:

[0018] like Figure 1-4As shown, the wire threading guide mechanism of the slow-moving wire cutting is arranged on the machine tool, including a bottom plate 1 and a base plate 2 movably arranged on the bottom plate 1 and capable of moving in the horizontal direction. The base plate 2 is movably arranged on the above-mentioned bottom plate 1 through two guide rods 15. The base plate 1 is provided with a translation mechanism for driving the rod base plate 2 to move in the horizontal direction along the guide rod 15, and the translation mechanism is a third cylinder 16. A wire guide tube 3 for clamping and guiding the cutting wire is movably arranged on the base plate 2. The cross section of the wire guide tube 3 is U-shaped, and the opening of the wire guide tube 3 faces the above-mentioned wire cutting direction. The distance between the end face of the wire guide tube 3 facing the above-mentioned wire cutting side and the center of the wire guide tube 3 is less than the radius of the cutting wire. A channel 7 for the cutting wire to pass through is opened in the wire guide tube 3 along the length direction of the wire guide tube 3. A bayonet 8 for clamping the cutting wire is opened at the lower end of the channel 7. The diameter of the bayonet 8 is smaller than the diameter of the cutting wire. The bayonet 8 has a certain elasticity and produces a certain deformation when clamping the cutting wire. The base plate 2 is provided with a driving mechanism 4 for driving the wire guide tube 3 to move for wire feeding, and the bottom plate 1 is provided with a pressing block 5 for pressing the cut wire into the bayonet 8 and a stripping block 6 for making the cut wire separate from the bayonet 8. The driving mechanism 4 includes a plurality of mounting seats 12 fixedly provided on the base plate 2, and a slide rail 13 movably provided on the mounting seat 12 is fixedly provided on the side of the wire guide tube 3 away from the cut wire, and the slide rail 13 extends along the length direction of the wire guide tube 3, and a motor 14 for driving the wire guide tube 3 to move is provided on the base plate 2. After the wire guide tube 3 is buckled on the cut wire, the wire guide tube 3 is moved downward to feed the wire, and the cut wire is pressed into the wire guide tube 3 or the two are separated by the pressing block 5 and the stripping block 6. After the wire feeding is completed, the wire guide tube 3 is separated from the cut wire.

[0019] The pressing block 5 is directly opposite to the above-mentioned bayonet 8 and the pressing block 5 and the wire guide tube 3 are respectively located on both sides of the cutting wire, and a first cylinder 9 for driving the pressing block 5 to move in the above-mentioned wire cutting direction is provided on the bottom plate 1. The stripping block 6 is located below the above-mentioned wire guide tube 3 and can approach or move away from the cutting wire under the drive of the second cylinder 10. The stripping block 6 is provided with a slot 11 for clipping the cutting wire on one side facing the cutting wire.

[0020] When in use, the first cylinder 9 drives the pressing block 5 to move in the wire cutting direction and makes the pressing block 5 rest on the cut wire, and then the third cylinder 16 drives the base plate 2 to move in the wire cutting direction, the lower end of the cut wire is located below the base plate 2 and the wire guide tube 3 is buckled on the cut wire, and the cut wire is pressed into the channel 7 on the wire guide tube 3 by the pressing block 5 and fixed by the bayonet 8. The pressing block 5 is moved away from the cut wire by the first cylinder 9 to complete the reset, and the wire guide tube 3 is driven by the motor 14 to move downward to feed the wire and fix the lower end of the cut wire by the wire collecting wheel below, and the wire guide is The tube 3 moves upward and resets under the drive of the motor 14. The stripping block 6 moves in the wire cutting direction under the drive of the second cylinder 10 and makes the wire clip into the card slot 11 on the stripping block 6. The third cylinder 16 drives the base plate 2 to move away from the wire cutting and limits the wire cutting through the stripping block 6 below so that the wire cutting is disengaged from the card slot 8. The second cylinder 10 drives the stripping block 6 to move away from the wire cutting direction to complete the reset, and the subsequent cutting work can be carried out. During the wire cutting process, the wire cutting does not contact the wire guide tube 3, and the cutting process is more stable.

[0021] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. The wire-threading guide mechanism of the wire cutting machine is arranged on the machine tool and is characterized in that: The invention comprises a bottom plate (1) and a base plate (2) movably arranged on the bottom plate (1) and movable in a horizontal direction, wherein a wire guide tube (3) for clamping and guiding the cutting wire is movably arranged on the base plate (2), wherein the cross section of the wire guide tube (3) is U-shaped, and the opening of the wire guide tube (3) faces the above-mentioned wire cutting direction, wherein a driving mechanism (4) for driving the above-mentioned wire guide tube (3) to move for feeding the wire is movably arranged on the base plate (2), and a pressing block (5) for pressing the cutting wire into the above-mentioned wire guide tube (3) and a stripping block (6) for making the cutting wire separate from the wire guide tube (3) are movably arranged on the bottom plate (1).

2. The wire threading guide mechanism for wire cutting according to claim 1, characterized in that: The distance between the end face of the wire guide tube (3) facing the cutting wire and the center of the wire guide tube (3) is smaller than the radius of the cutting wire. A channel (7) for the cutting wire to pass through is provided in the wire guide tube (3) along the length direction of the wire guide tube (3). A bayonet (8) for clamping the cutting wire is provided at the lower end of the channel (7). The diameter of the bayonet (8) is smaller than the diameter of the cutting wire.

3. The wire threading guide mechanism for wire cutting according to claim 2, characterized in that: The pressing block (5) faces the above-mentioned bayonet (8) and the pressing block (5) and the wire guide tube (3) are respectively located on both sides of the wire cutting direction. A first cylinder (9) is provided on the bottom plate (1) for driving the pressing block (5) to move in the above-mentioned wire cutting direction.

4. The wire threading guide mechanism for wire cutting according to claim 3, characterized in that: The stripping block (6) is located below the wire guide tube (3) and can move closer to or farther from the cutting wire under the drive of the second cylinder (10).

5. The wire threading guide mechanism for wire cutting according to claim 4, characterized in that: A clamping groove (11) for clamping the cutting wire is provided on the side of the stripping block (6) facing the cutting wire.

6. The wire threading guide mechanism for wire cutting according to claim 1, characterized in that: A plurality of mounting seats (12) are fixedly provided on the base plate (2); a slide rail (13) movably provided on the mounting seat (12) is fixedly provided on the side of the wire guide tube (3) away from the wire cutting; the slide rail (13) extends along the length direction of the wire guide tube (3); and a motor (14) for driving the wire guide tube (3) to move is provided on the base plate (2).

7. The wire threading guide mechanism for wire cutting according to claim 1, characterized in that: The base plate (2) is movably arranged on the bottom plate (1) via two guide rods (15), and a translation mechanism for driving the base plate (2) to move in a horizontal direction along the guide rods (15) is provided on the bottom plate (1), and the translation mechanism is a third cylinder (16).

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