A down wire mechanism with lifting docking wire passing structure

Abstract

This utility model proposes a lower wire guide mechanism with a lifting and docking wire threading structure, which includes a lower wire guide seat, a lower cooling water nozzle, a lower wire guide core tube, and a core tube lifting assembly. Through the lifting and docking structure, the lower wire guide core tube can actively approach the bottom of the workpiece and precisely dock with the wire threading hole, significantly reducing the difficulty of wire threading. The mating tapered opening at the top of the lower wire guide core tube optimizes the wire introduction process, preventing wire threading failure due to wire deviation. The buffer spring at the top of the lower wire guide core tube can communicate with the workpiece and provide an electrical signal to the lifting cylinder or lifting motor to stop its operation, preventing workpiece damage or equipment failure due to hard collisions. The fixed clamping block and the movable clamping block cooperate with the clamping cylinder to form a stable clamping system. During the cutting operation, the fixed clamping block and the movable clamping block can be used for clamping and positioning, ensuring stability and preventing deviation during cutting, thereby improving cutting accuracy.

Description

Technical Field

[0001] This utility model relates to wire cutting equipment, and more particularly to a lower wire guide mechanism with a lifting docking and wire threading structure. Background Technology

[0002] Patent document CN220921171U discloses an automatic wire threading guide mechanism, which includes an upper wire threading mechanism, a lower wire threading mechanism, and a lifting drive mechanism. The lifting drive mechanism can drive the upper and / or lower wire threading mechanisms to rise and fall to achieve docking or separation between the two. A guide tube capable of penetrating a small-diameter hole in the workpiece is provided between the upper and lower wire threading mechanisms. By setting a guide tube capable of penetrating a small-diameter hole in the workpiece, docking of the upper and lower wire threading mechanisms is achieved, thereby realizing automatic wire threading. However, this wire threading guide mechanism uses the method of inserting the guide tube into a fixed hole for docking, which requires high installation accuracy of each component. Collisions and wear are prone to occur during docking, which can easily lead to failure. In particular, the guide tube is prone to collision with the workpiece, causing damage and deformation to the workpiece and affecting product quality. Therefore, it is necessary to optimize the structure of this wire threading guide mechanism to overcome the above-mentioned defects. Utility Model Content

[0003] The purpose of this invention is to provide a lower guide wire mechanism with a lifting docking wire threading structure to improve the stability of the wire threading operation.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] A lower wire guide mechanism with a lifting docking and wire threading structure includes:

[0006] The lower wire guide holder is installed in the lower wire guide arm of the cutting equipment and has an assembly space inside.

[0007] The lower cooling water nozzle is installed in the lower wire guide bracket. The cutting wire can pass through the lower cooling water nozzle and be cooled and lubricated by the lower cooling water nozzle.

[0008] It also includes:

[0009] The lower wire guide tube is installed in the lower wire guide holder through a lifting structure. It can rise or fall in the lower wire guide holder. It is adapted to the shape of the lower wire guide nozzle and can extend from the lower wire guide nozzle to approach or move away from the bottom of the workpiece. This allows the cutting wire to pass through the wire threading hole in the workpiece and enter the lower wire guide tube, which guides its movement.

[0010] The core tube lifting assembly is installed in the lower wire guide holder and cooperates with the lower wire guide core tube. The core tube lifting assembly drives the lower wire guide core tube to rise or fall in the lower wire guide holder so that its top is connected with the wire threading hole of the workpiece.

[0011] In one embodiment of this utility model, a buffer spring is installed at the top of the lower guide wire core tube. The buffer spring extends axially along the lower guide wire core tube and protrudes above the lower guide wire core tube. When the lower guide wire core tube rises, the buffer spring can abut against the bottom of the workpiece to buffer the lower guide wire core tube and the workpiece.

[0012] In one embodiment of this utility model, a mating cone is provided at the top of the lower guide wire core tube. The bottom of the mating cone is connected to the inner wall of the lower guide wire core tube, and the diameter of the top is larger than the diameter of the bottom. The mating cone guides the cutting wire as it enters the lower guide wire core tube.

[0013] In one embodiment of this utility model, a fixing clamp is provided in the lower guide wire seat frame. The fixing clamp is located on one side of the lower guide wire core tube, and its inner end abuts against the side wall of the lower guide wire core tube, which can limit the lower guide wire core tube.

[0014] The lower guide wire seat is also equipped with a movable clamping block, which is located on the other side of the lower guide wire core tube. Its inner end abuts against the side wall of the lower guide wire core tube, which can limit the lower guide wire core tube.

[0015] The lower guide wire support frame is also equipped with a clamping cylinder, which engages with the outer end of the movable clamping block. The clamping cylinder drives the movable clamping block to move, clamping the lower guide wire core tube between the movable clamping block and the fixed clamping block. In one embodiment of this utility model, the clamping cylinder is a diaphragm cylinder.

[0016] In one embodiment of this utility model, the core tube lifting assembly includes:

[0017] A lifting cylinder is installed in the lower wire guide frame and can operate in the lower wire guide frame;

[0018] The lifting frame is connected at one end to the piston rod of the lifting cylinder and at the other end to the lower guide wire core tube. The lifting cylinder drives the lower guide wire core tube to rise or fall.

[0019] The lifting guide rail is installed in the lower guide wire seat and is parallel to the piston rod of the lifting cylinder. The lifting frame cooperates with the lifting guide rail through the slider, and the lifting guide rail guides the lower guide wire core tube during the rising or falling process.

[0020] In one embodiment of this utility model, the core tube lifting assembly includes:

[0021] A lifting motor is installed in the lower wire guide frame and can run in the lower wire guide frame;

[0022] The lifting screw is mounted in the lower guide wire seat frame via a rotating shaft and is connected to the power output shaft of the lifting motor via a transmission structure. The lifting motor drives the lifting screw to rotate in the lower guide wire seat frame.

[0023] The lifting frame has one end connected to the lifting screw via a transmission nut, and the other end connected to the lower guide wire core tube. The lower guide wire core tube is driven to rise or fall by the lifting motor.

[0024] The lifting guide rail is installed in the lower guide wire seat and is parallel to the lifting screw. The lifting frame cooperates with the lifting guide rail through the slider, and the lifting guide rail guides the lower lifting core tube during the rising or falling process.

[0025] In one embodiment of this utility model, a steering component is also provided in the lower guide wire holder. The steering component is located below the lower guide wire core tube. When the lower guide wire core tube descends, its bottom can dock with the steering component, and the steering component drives the cutting wire output from the lower guide wire core tube to turn.

[0026] Meanwhile, the lower guide wire core tube is also connected to the lifting cylinder or lifting motor via a circuit. When the buffer spring presses against the bottom of the workpiece, it is energized with the workpiece and provides an electrical signal to the lifting cylinder or lifting motor to stop its operation.

[0027] During the wire threading operation, the clamping cylinder drives the movable clamping block to retract, allowing the lower wire guide tube to move. A lifting cylinder or lifting motor drives the lower wire guide tube to rise. When the buffer spring abuts against the bottom of the workpiece, the rising stops. At this time, the cutting wire passes through the wire threading hole in the workpiece and enters the lower wire guide tube. A lifting cylinder or lifting motor drives the lower wire guide tube to descend. When its bottom abuts against the steering assembly, the descent stops. At this time, the cutting wire passes through the lower wire guide tube and enters the steering assembly. The steering assembly drives the cutting wire to turn.

[0028] During the cutting operation, the clamping cylinder drives the movable clamping block to extend, clamping the lower guide wire core tube between the movable clamping block and the fixed clamping block, so that it remains in a stable position during the cutting process.

[0029] The advantages of this utility model are:

[0030] The lower wire guide mechanism, through its lifting and docking structure, allows the lower wire guide core tube to actively approach the bottom of the workpiece and precisely align with the wire threading hole, significantly reducing the difficulty of wire threading. The mating tapered opening at the top of the lower wire guide core tube optimizes the wire introduction process, preventing threading failure due to wire deviation. The buffer spring at the top of the lower wire guide core tube communicates with the workpiece and provides an electrical signal to the lifting cylinder or lifting motor to stop its operation, preventing workpiece damage or equipment malfunction due to hard collisions. The fixed clamping block and the movable clamping block work together with the clamping cylinder to form a stable clamping system. During the cutting operation, the fixed clamping block and the movable clamping block can be used for clamping and positioning, ensuring stability and preventing deviation during the cutting process, thereby improving cutting accuracy. Attached Figure Description

[0031] Figure 1 This is a front structural schematic diagram of one embodiment of the lower guide wire mechanism with lifting docking and wire threading structure proposed in this utility model;

[0032] Figure 2 yes Figure 1 A schematic diagram of the rear structure;

[0033] Figure 3 yes Figure 1 One of the schematic diagrams of the cross-sectional structure;

[0034] Figure 4 yes Figure 1 The second schematic diagram of the cross-sectional structure;

[0035] Figure 5 This is a schematic diagram of the structure of the second embodiment of the lower guide wire mechanism. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model.

[0037] like Figures 1-4As shown, the lower wire guide mechanism with lifting and docking wire threading structure proposed in this utility model includes a lower wire guide seat 100, a lower cooling water nozzle 200, a lower wire guide core tube 300, and a core tube lifting assembly. The lower wire guide seat is installed in the lower wire guide arm of the cutting equipment and has an internal assembly space. The lower cooling water nozzle is installed in the lower wire guide seat, and the cutting wire can pass through the lower cooling water nozzle for cooling and lubrication. The lower wire guide core tube is installed in the lower wire guide seat via a lifting structure. In the middle, it can rise or fall in the lower wire guide holder. It is adapted to the shape of the lower wire guide nozzle and can extend from the lower wire guide nozzle to approach or move away from the bottom of the workpiece, so that the cutting wire passes through the wire threading hole in the workpiece and enters the lower wire guide core tube. The lower wire guide core tube guides its movement. The core tube lifting assembly is installed in the lower wire guide holder and cooperates with the lower wire guide core tube. The core tube lifting assembly drives the lower wire guide core tube to rise or fall in the lower wire guide holder, so that its top aligns with the wire threading hole of the workpiece.

[0038] In this embodiment, a buffer spring 310 is installed at the top of the lower guide wire core tube. The buffer spring extends axially along the lower guide wire core tube and protrudes above the lower guide wire core tube. When the lower guide wire core tube rises, the buffer spring can abut against the bottom of the workpiece to buffer the lower guide wire core tube and the workpiece.

[0039] In this embodiment, a mating cone 320 is provided at the top of the lower guide wire core tube. The bottom of the mating cone is connected to the inner wall of the lower guide wire core tube, and the diameter of the top is larger than the diameter of the bottom. The mating cone guides the cutting wire as it enters the lower guide wire core tube.

[0040] In this embodiment, a fixing block 110 is provided in the lower guide wire seat frame. The fixing block is located on one side of the lower guide wire core tube, and its inner end abuts against the side wall of the lower guide wire core tube, which can limit the lower guide wire core tube.

[0041] The lower guide wire seat is also provided with a movable clamping block 120, which is located on the other side of the lower guide wire core tube. Its inner end abuts against the side wall of the lower guide wire core tube, which can limit the lower guide wire core tube.

[0042] The lower guide wire holder is also equipped with a clamping cylinder 130, which engages with the outer end of the movable clamping block. The clamping cylinder drives the movable clamping block to move, clamping the lower guide wire core tube between the movable clamping block and the fixed clamping block. In this embodiment, a diaphragm cylinder is used as the clamping cylinder.

[0043] exist Figures 1-4In the illustrated embodiment, the core tube lifting assembly includes a lifting cylinder 410, a lifting frame 420, and a lifting guide rail 430. The lifting cylinder is installed in the lower guide wire seat and can operate within the lower guide wire seat. One end of the lifting frame is engaged with the piston rod of the lifting cylinder, and the other end is engaged with the lower guide wire core tube. The lifting cylinder drives the lower guide wire core tube to rise or fall. The lifting guide rail is installed in the lower guide wire seat and is parallel to the piston rod of the lifting cylinder. The lifting frame cooperates with the lifting guide rail through a slider, and the lifting guide rail guides the rising or falling process of the lower guide wire core tube.

[0044] exist Figure 5 In the illustrated embodiment, the core tube lifting assembly includes a lifting motor 440, a lifting screw 450, a lifting carrier 420, and a lifting guide rail 430. The lifting motor is installed in the lower guide wire seat and can run within it. The lifting screw is installed in the lower guide wire seat via a rotating shaft and is connected to the power output shaft of the lifting motor via a transmission structure. The lifting motor drives the lifting screw to rotate within the lower guide wire seat. One end of the lifting carrier is connected to the lifting screw via a transmission nut, and the other end is engaged with the lower guide wire core tube. The lifting motor drives the lower guide wire core tube to rise or fall. The lifting guide rail is installed in the lower guide wire seat and is parallel to the lifting screw. The lifting carrier is connected to the lifting guide rail via a slider, and the lifting guide rail guides the rising or falling process of the lower lifting core tube.

[0045] In this embodiment, the lower guide wire holder is also provided with a steering component 500. The steering component is located below the lower guide wire core tube. When the lower guide wire core tube descends, its bottom can dock with the steering component, and the steering component drives the cutting wire output from the lower guide wire core tube to turn.

[0046] In addition, the lower guide wire core tube is also connected to the lifting cylinder or lifting motor through a circuit. When the buffer spring presses against the bottom of the workpiece, it is energized with the workpiece and provides an electrical signal to the lifting cylinder or lifting motor to stop its operation. Its circuit structure adopts existing technology, so it is not described in detail.

[0047] In the description of this utility model, it should be noted that when terms such as "upper," "lower," "inner," "outer," "left," and "right" appear to indicate orientation or positional relationships, they should be understood as being based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationships commonly used when the product of this utility model is in use, or the orientation or positional relationships commonly understood by those skilled in the art. These terms are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, when terms such as "first" and "second" appear, they are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, it should also be noted that unless otherwise explicitly specified and limited, terms such as "installation," "setting," and "connection" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

Claims

1. A lower wire guide mechanism with a lifting docking and wire threading structure, comprising: The lower wire guide holder is installed in the lower wire guide arm of the cutting equipment; The lower cooling water nozzle is installed in the lower wire guide bracket, and the cutting wire can pass through the lower cooling water nozzle; Its characteristic is that it further includes: The lower wire guide tube is installed in the lower wire guide holder through a lifting structure. It can rise or fall in the lower wire guide holder. It is adapted to the shape of the lower wire guide nozzle and can extend from the lower wire guide nozzle to approach or move away from the bottom of the workpiece. This allows the cutting wire to pass through the wire threading hole in the workpiece and enter the lower wire guide tube, which guides its movement. The core tube lifting assembly is installed in the lower wire guide holder and cooperates with the lower wire guide core tube. The core tube lifting assembly drives the lower wire guide core tube to rise or fall in the lower wire guide holder so that its top is connected with the wire threading hole of the workpiece.

2. The lower wire guide mechanism with a lifting docking and wire threading structure according to claim 1, characterized in that: A buffer spring is installed at the top of the lower guide wire core tube. The buffer spring extends axially along the lower guide wire core tube and protrudes above the lower guide wire core tube. When the lower guide wire core tube rises, the buffer spring can abut against the bottom of the workpiece.

3. The lower wire guide mechanism with a lifting docking and wire threading structure according to claim 1, characterized in that: The lower guide wire core tube has a mating cone at the top, and the bottom of the mating cone connects with the inner wall of the lower guide wire core tube. The diameter of the top of the cone is larger than the diameter of the bottom.

4. The lower wire guide mechanism with a lifting docking and wire threading structure according to claim 1, characterized in that: The lower guide wire seat is equipped with a fixing block, which is located on one side of the lower guide wire core tube, and its inner end abuts against the side wall of the lower guide wire core tube; The lower guide wire seat is also equipped with a movable clamping block, which is located on the other side of the lower guide wire core tube, and its inner end abuts against the side wall of the lower guide wire core tube; The lower guide wire support frame is also equipped with a clamping cylinder, which is engaged with the outer end of the movable clamping block. The clamping cylinder drives the movable clamping block to move, clamping the lower guide wire core tube between the movable clamping block and the fixed clamping block.

5. A lower wire guide mechanism with a lifting docking and wire threading structure according to claim 1, characterized in that, The core tube lifting assembly includes: A lifting cylinder is installed in the lower guide wire support frame; The lifting frame has one end connected to the piston rod of the lifting cylinder and the other end connected to the lower guide wire core tube. The lifting guide rail is installed in the lower guide wire seat and is parallel to the piston rod of the lifting cylinder. The lifting frame cooperates with the lifting guide rail through a slider.

6. A lower wire guide mechanism with a lifting docking and wire threading structure according to claim 1, characterized in that, The core tube lifting assembly includes: The lifting motor is installed in the lower guide wire support frame; The lifting screw is mounted in the lower guide wire support frame via a rotating shaft and is connected to the power output shaft of the lifting motor via a transmission structure. The lifting frame has one end connected to the lifting screw via a transmission nut, and the other end connected to the lower guide wire core tube. The lifting guide rail is installed in the lower guide wire seat and is parallel to the lifting screw. The lifting frame cooperates with the lifting guide rail through a slider.

7. The lower wire guide mechanism with a lifting docking and wire threading structure according to claim 1, characterized in that: The lower guide wire holder is also equipped with a steering assembly, which is located below the lower guide wire core tube. When the lower guide wire core tube descends, its bottom can dock with the steering assembly.

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