Novel taper adjusting mechanism and large-taper medium-speed wire cutting machine tool

Abstract

The novel taper adjusting mechanism comprises a vertical support, a longitudinal support, a transverse support and a taper support, a taper angle plate is arranged on the side portion of the taper support of the taper adjusting mechanism, so that pressure applied by a wire conveying arm to the taper support points to the inclined lower portion, and the taper angle plate is arranged on the side portion of the taper support. The longitudinal support is provided with an offset boss, so that the connecting line between the upper longitudinal sliding rail and the lower longitudinal sliding rail is an oblique line, and the pressure applied to the longitudinal support by the transverse support points to the oblique lower part, so that the lateral tension of the transverse support to the upper longitudinal sliding rail is reduced; therefore, the stability of the mechanism is improved, the service life of the mechanism is prolonged, deformation is small after long-term operation, material waste and machining time can be reduced by accurately adjusting the taper of the cutting wire and optimizing the cutting path and the cutting effect, and therefore the overall machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to electric spark wire cutting equipment, in particular to a novel taper adjustment mechanism and a large-taper medium-wire wire cutting machine tool. Background Art

[0002] Patent document CN111136356B discloses a large-taper wire cutting device, in which the swing heads on the upper and lower robotic arms adopt a swing head rotation mechanism to cooperate with the cutting taper for follow-up adjustment, and use a universal wire guide wheel to cooperate with the corresponding upper and lower swing heads, combined with the transition of the tensioning mechanism between the universal wire guide wheel and the directional wire guide wheel, so that the electrode wire transition is smooth, effectively preventing the problem of the electrode wire slipping during large-taper cutting, and the electrode wire follow-up swing position control is also very precise. On the basis of the X, Y, and Z three-axis CNC device built on the bed, the U-axis and V-axis are set on the Z-axis workbench, and the upper robotic arm is installed on the V-axis workbench, which reduces the weight of the upper robotic arm, is conducive to improving the operating stability and reliability of the U-axis and V-axis drive mechanisms, reducing the vibration of the upper robotic arm during processing, and improving the accuracy of wire cutting processing and the service life of the large-taper wire cutting device. However, the taper adjustment mechanism of this wire cutting device has a U-axis table mounted on the Z-axis table via a U-axis drive mechanism, a V-axis table mounted on the U-axis table via a V-axis drive mechanism, and an upper robotic arm fixedly mounted on the V-axis table. Both the U-axis table and the V-axis table adopt a horizontally straight structure. However, during the adjustment of the upper robotic arm, the stress state is tilted to a certain degree, making them prone to deformation after long-term operation, and gradually reducing cutting accuracy. Therefore, it is necessary to optimize the structure to overcome the above-mentioned defects. Utility Model Content

[0003] The purpose of the utility model is to provide a novel taper adjustment mechanism and a large-taper medium-wire cutting machine tool to improve cutting accuracy.

[0004] The technical solution adopted by the present invention to solve its technical problems is:

[0005] A novel taper adjustment mechanism, comprising:

[0006] A vertical bracket is mounted on the wire transport platform of the wire cutting machine and can move with the wire transport platform;

[0007] The longitudinal bracket is mounted on the vertical bracket through a vertical sliding structure and cooperates with the vertical drive assembly to move along with the vertical bracket, and the vertical drive assembly drives the longitudinal bracket to move vertically on the vertical bracket;

[0008] A transverse bracket is mounted on the longitudinal bracket via a longitudinal sliding structure and cooperates with a longitudinal drive assembly to move along with the longitudinal bracket. The longitudinal drive assembly drives the transverse bracket to move longitudinally on the longitudinal bracket.

[0009] The taper bracket is installed on the transverse bracket through a transverse sliding structure. It cooperates with the transverse drive assembly and is connected to the wire transport arm of the wire cutting machine. It can move together with the transverse bracket. The transverse drive assembly drives the taper bracket to move transversely on the transverse bracket and drives the wire transport arm to move to adjust the taper of the cutting wire.

[0010] in:

[0011] An upper longitudinal slide rail and a lower longitudinal slide rail are installed in the longitudinal bracket. The upper longitudinal slide rail extends longitudinally and protrudes above the longitudinal bracket. The lower longitudinal slide rail is located below the upper longitudinal slide rail and is parallel to the upper longitudinal slide rail and protrudes outward from the longitudinal bracket.

[0012] An upper longitudinal slider and a lower longitudinal slider are installed in the transverse bracket. The upper longitudinal slider is buckled on the top of the upper longitudinal slide rail and can move along the upper longitudinal slide rail. The lower longitudinal slider is buckled on the side of the lower longitudinal slide rail and can move along the lower longitudinal slide rail, so that the transverse bracket can move along the upper longitudinal slide rail and the lower longitudinal slide rail.

[0013] An upper transverse rail and a lower transverse rail are installed in the transverse bracket, the upper transverse rail extends in the transverse direction and protrudes outward from the transverse bracket, and the lower transverse rail is located below the upper transverse rail and is parallel to the upper transverse rail and protrudes outward from the transverse bracket;

[0014] An upper transverse slider and a lower transverse slider are installed in the tapered bracket. The upper transverse slider is buckled on the side of the upper transverse slide rail and can move along the upper transverse slide rail. The lower transverse slider is buckled on the side of the lower transverse slide rail and can move along the lower transverse slide rail, so that the tapered bracket can move along the upper transverse slide rail and the lower transverse slide rail.

[0015] In one embodiment of the present invention, the transverse support comprises:

[0016] An upper cross frame is formed by enclosing a plate body and is located outside the longitudinal support. Its bottom end extends below the longitudinal support, and its top end is bent toward the longitudinal support and extends above the upper longitudinal slide rail to form an upper flange. The upper longitudinal slide is installed at the bottom of the upper flange.

[0017] The lower cross frame is formed by enclosing a plate body. It is located outside the upper cross frame and below the longitudinal bracket. The bottom end of the upper cross frame is connected to the lower cross frame. The upper cross rail and the lower cross rail are installed on the side of the lower cross frame.

[0018] In one embodiment of the present invention, a connecting boss is provided on the bent portion of the upper flange, and the connecting boss is engaged between the upper flange and the upper cross frame to structurally strengthen the connecting portion between the upper flange and the upper cross frame.

[0019] In one embodiment of the present invention, an upper sash is provided inside the upper cross frame. The upper sash is formed by staggered joining of plates, and the upper cross frame is structurally reinforced by the upper sash.

[0020] A lower sash is provided inside the lower cross frame. The upper sash is formed by staggered joining of plates, and the lower cross frame is structurally reinforced by the lower sash.

[0021] In one embodiment of the present invention, the longitudinal bracket is formed by enclosing plates, and a longitudinal frame is provided inside the longitudinal bracket. The longitudinal frame is formed by staggered joining of plates, and the longitudinal frame reinforces the structure of the longitudinal bracket.

[0022] In one embodiment of the present invention, the tapered bracket is formed by enclosing plates, and a group of tapered angle plates are provided on its side. Each tapered angle plate extends vertically, and its top width is smaller than its bottom width. The tapered angle plates strengthen the structure of the tapered bracket, and the pressure applied by the wire transport arm to the tapered bracket is directed obliquely downward to reduce the lateral pulling force applied by the wire transport arm to the upper horizontal slide rail.

[0023] In one embodiment of the present invention, the vertical bracket is formed by enclosing plates, and a vertical sash is provided inside the vertical bracket. The vertical sash is formed by staggered joining of plates, and the vertical bracket is structurally reinforced by the vertical sash.

[0024] In one embodiment of the present invention, an offset boss is provided on the side of the longitudinal bracket, which protrudes toward the outside of the longitudinal bracket. The lower longitudinal slide rail is installed on the offset boss, so that the connecting line between the upper longitudinal slide rail and the lower longitudinal slide rail is a diagonal line, and the pressure applied by the transverse bracket to the longitudinal bracket is directed diagonally downward to reduce the lateral tension applied by the transverse bracket to the upper longitudinal slide rail.

[0025] A large-taper medium-wire cutting machine tool comprises the above-mentioned taper adjustment mechanism.

[0026] The advantages of the present invention are:

[0027] The taper bracket of the taper adjustment mechanism is provided with a taper angle plate on the side, so that the pressure applied by the wire transport arm on the taper bracket is directed obliquely downward, which can reduce the lateral pulling force of the wire transport arm on the upper transverse slide rail. The longitudinal bracket is provided with an offset boss, so that the connecting line between the upper longitudinal slide rail and the lower longitudinal slide rail is an oblique line, and the pressure applied by the transverse bracket to the longitudinal bracket is directed obliquely downward, so that the lateral pulling force of the transverse bracket on the upper longitudinal slide rail is reduced, thereby improving the stability and service life of the mechanism, and having less deformation after long-term operation. The taper of the cutting wire can be precisely adjusted to optimize the cutting path and cutting effect, reduce material waste and processing time, and thus improve the overall processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a structural diagram of the new taper adjustment mechanism proposed by the present invention;

[0029] Figure 2 The utility model is a structural schematic diagram of a large-taper medium-wire cutting machine tool. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents selected embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] like Figure 1 、 Figure 2As shown, the novel taper adjustment mechanism proposed in the present invention includes a vertical bracket 100, a longitudinal bracket 200, a transverse bracket 300 and a taper bracket 400. The vertical bracket is mounted on the wire transport carrier of the wire cutting machine and can move together with the wire transport carrier. The longitudinal bracket is mounted on the vertical bracket through a vertical sliding structure and cooperates with the vertical driving assembly. It can move together with the vertical bracket, and the vertical driving assembly drives the longitudinal bracket to move vertically on the vertical bracket. The transverse bracket is mounted on the longitudinal bracket through a longitudinal sliding structure and cooperates with the longitudinal driving assembly. It can move together with the longitudinal bracket, and the longitudinal driving assembly drives the transverse bracket to move longitudinally on the longitudinal bracket. The taper bracket is mounted on the transverse bracket through a transverse sliding structure, which cooperates with the transverse driving assembly and is connected to the wire transport arm of the wire cutting machine. It can move together with the transverse bracket, and the transverse driving assembly drives the taper bracket to move transversely on the transverse bracket, and drives the wire transport arm to move, so as to adjust the taper of the cutting wire.

[0032] An upper longitudinal rail 210 and a lower longitudinal rail 220 are installed in the longitudinal bracket. The upper longitudinal rail extends longitudinally and protrudes above the longitudinal bracket. The lower longitudinal rail is located below the upper longitudinal rail and is parallel to the upper longitudinal rail and protrudes outward from the longitudinal bracket. An upper longitudinal slider 310 and a lower longitudinal slider 320 are installed in the transverse bracket. The upper longitudinal slider is buckled on the top of the upper longitudinal rail and can move along the upper longitudinal rail. The lower longitudinal slider is buckled on the side of the lower longitudinal rail and can move along the lower longitudinal rail, so that the transverse bracket can move along the upper and lower longitudinal rails. An upper transverse rail 330 and a lower transverse rail 340 are installed in the transverse bracket. The upper transverse rail extends transversely and protrudes outward from the transverse bracket. The lower transverse rail is located below the upper transverse rail and is parallel to the upper transverse rail and protrudes outward from the transverse bracket. An upper transverse slider 410 and a lower transverse slider 420 are installed in the tapered bracket. The upper transverse slider is buckled into the side of the upper transverse rail and can move along the upper transverse rail. The lower transverse slider is buckled into the side of the lower transverse rail and can move along the lower transverse rail, so that the tapered bracket can move along the upper transverse rail and the lower transverse rail.

[0033] In this embodiment, the transverse bracket includes an upper transverse frame 301 and a lower transverse frame 302. The upper transverse frame is formed by enclosing a plate and is located on the outside of the longitudinal bracket. Its bottom end extends toward the bottom of the longitudinal bracket, and its top end is bent toward the direction close to the longitudinal bracket and extends to the top of the upper longitudinal slide rail to form an upper flange 303. The upper longitudinal slider is installed at the bottom of the upper flange. The lower transverse frame is formed by enclosing a plate and is located on the outside of the upper transverse frame and below the longitudinal bracket. The bottom end of the upper transverse frame is connected to the lower transverse frame, and the upper transverse slide rail and the lower transverse slide rail are installed on the side of the lower transverse frame.

[0034] In this embodiment, a connecting boss 304 is provided on the bent portion of the upper flange. The connecting boss is connected between the upper flange and the upper cross frame to structurally strengthen the connecting portion between the upper flange and the upper cross frame.

[0035] In this embodiment, an upper sash is provided inside the upper cross frame. The upper sash is formed by staggered joining of plates, and the upper cross frame is structurally reinforced by the upper sash.

[0036] A lower sash is provided inside the lower cross frame. The upper sash is formed by staggered joining of plates, and the lower cross frame is structurally reinforced by the lower sash.

[0037] In this embodiment, the longitudinal bracket is formed by enclosing plates, and a longitudinal frame is provided inside the longitudinal bracket. The longitudinal frame is formed by staggered joining of plates, and the longitudinal frame reinforces the structure of the longitudinal bracket.

[0038] In this embodiment, the tapered bracket is formed by enclosing plates, and a group of tapered angle plates 401 are provided on its side. Each tapered angle plate extends vertically, and its top width is smaller than its bottom width. The tapered angle plates strengthen the structure of the tapered bracket and make the pressure applied by the wire transport arm to the tapered bracket point obliquely downward to reduce the lateral pulling force applied by the wire transport arm to the upper horizontal slide rail.

[0039] In this embodiment, the vertical bracket is formed by enclosing plates, and a vertical sash is provided inside the vertical bracket. The vertical sash is formed by staggered joining of plates, and the vertical bracket is structurally reinforced by the vertical sash.

[0040] In this embodiment, an offset boss 201 is provided on the side of the longitudinal bracket, which protrudes toward the outside of the longitudinal bracket. The lower longitudinal slide rail is installed on the offset boss, so that the line connecting the upper longitudinal slide rail and the lower longitudinal slide rail is a diagonal line, and the pressure applied by the transverse bracket to the longitudinal bracket is directed diagonally downward to reduce the lateral tension applied by the transverse bracket on the upper longitudinal slide rail.

[0041] The large-taper medium-wire cutting machine tool provided by the utility model comprises the above-mentioned taper adjustment mechanism.

[0042] In the description of the present utility model, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", and "right" indicate an orientation or positional relationship, they should be understood as being based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present utility model. In addition, when terms such as "first" and "second" appear, they are only used to distinguish the description and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, terms such as "installation", "setting", and "connection" should be understood in a broad sense. 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, an indirect connection through an intermediate medium, or it can be a communication between the internal parts of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

Claims

1. A new taper adjustment mechanism, comprising: A vertical bracket is mounted on the wire transport platform of the wire cutting machine and can move with the wire transport platform; The longitudinal bracket is mounted on the vertical bracket through a vertical sliding structure and cooperates with the vertical drive assembly to move along with the vertical bracket, and the vertical drive assembly drives the longitudinal bracket to move vertically on the vertical bracket; A transverse bracket is mounted on the longitudinal bracket via a longitudinal sliding structure and cooperates with a longitudinal drive assembly to move along with the longitudinal bracket. The longitudinal drive assembly drives the transverse bracket to move longitudinally on the longitudinal bracket. The taper bracket is installed on the transverse bracket through a transverse sliding structure. It cooperates with the transverse drive assembly and is connected to the wire transport arm of the wire cutting machine. It can move together with the transverse bracket. The transverse drive assembly drives the taper bracket to move transversely on the transverse bracket and drives the wire transport arm to move; Its characteristics are: An upper longitudinal slide rail and a lower longitudinal slide rail are installed in the longitudinal bracket. The upper longitudinal slide rail extends longitudinally and protrudes above the longitudinal bracket. The lower longitudinal slide rail is located below the upper longitudinal slide rail and is parallel to the upper longitudinal slide rail and protrudes outward from the longitudinal bracket. An upper longitudinal slider and a lower longitudinal slider are installed in the transverse bracket. The upper longitudinal slider is buckled on the top of the upper longitudinal slide rail and can move along the upper longitudinal slide rail. The lower longitudinal slider is buckled on the side of the lower longitudinal slide rail and can move along the lower longitudinal slide rail, so that the transverse bracket can move along the upper longitudinal slide rail and the lower longitudinal slide rail. An upper transverse rail and a lower transverse rail are installed in the transverse bracket, the upper transverse rail extends in the transverse direction and protrudes outward from the transverse bracket, and the lower transverse rail is located below the upper transverse rail and is parallel to the upper transverse rail and protrudes outward from the transverse bracket; An upper transverse slider and a lower transverse slider are installed in the tapered bracket. The upper transverse slider is buckled on the side of the upper transverse slide rail and can move along the upper transverse slide rail. The lower transverse slider is buckled on the side of the lower transverse slide rail and can move along the lower transverse slide rail, so that the tapered bracket can move along the upper transverse slide rail and the lower transverse slide rail.

2. A new taper adjustment mechanism according to claim 1, characterized in that: The transverse bracket includes: An upper cross frame is formed by enclosing a plate body and is located outside the longitudinal support. Its bottom end extends below the longitudinal support, and its top end is bent toward the longitudinal support and extends above the upper longitudinal slide rail to form an upper flange. The upper longitudinal slide is installed at the bottom of the upper flange. The lower cross frame is formed by enclosing a plate body. It is located outside the upper cross frame and below the longitudinal bracket. The bottom end of the upper cross frame is connected to the lower cross frame. The upper cross rail and the lower cross rail are installed on the side of the lower cross frame.

3. A new taper adjustment mechanism according to claim 2, characterized in that: The upper flange bending portion is provided with a connecting boss, which is connected between the upper flange and the upper cross frame to structurally strengthen the connecting portion between the upper flange and the upper cross frame.

4. A new taper adjustment mechanism according to claim 2, characterized in that: An upper sash is provided inside the upper cross frame, and the upper sash is formed by staggered joining of plates; A lower sash is provided inside the lower cross frame, and the upper sash is formed by staggered joining of plates.

5. The novel taper adjustment mechanism according to claim 1, characterized in that: The longitudinal bracket is formed by enclosing the plates, and a longitudinal frame is provided inside the longitudinal bracket. The longitudinal frame is formed by staggered joining of the plates, and the longitudinal frame strengthens the structure of the longitudinal bracket.

6. A new taper adjustment mechanism according to claim 1, characterized in that: The tapered bracket is formed by enclosing plates, and a group of tapered angle plates are provided on its side. Each tapered angle plate extends vertically, and the top width thereof is smaller than the bottom width thereof.

7. The novel taper adjustment mechanism according to claim 1, characterized in that: The vertical bracket is formed by enclosing the plate members, and a vertical frame is arranged inside the vertical bracket. The vertical frame is formed by staggered connection of the plate members.

8. The novel taper adjustment mechanism according to claim 5, characterized in that: An offset boss is provided on the side of the longitudinal bracket, and the offset boss protrudes toward the outside of the longitudinal bracket, and the lower longitudinal slide rail is installed on the offset boss.

9. A large taper medium wire cutting machine tool, characterized in that: It comprises the taper adjustment mechanism according to any one of claims 1 to 8.

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