Medium-speed wire feeding machine tool with shaftless center swinging taper structure

Abstract

The utility model provides a medium-speed wire feeding machine tool with a shaftless center swinging taper structure. The device comprises an upper supporting cross beam, an upper driving and rotating motor, an upper adapter block, an upper wire guide end, an upper wire guide motor, an upper winding and unwinding guide wheel, a lower supporting cross beam, a lower driving and rotating motor, a lower adapter block, a lower wire guide end, a lower wire guide motor, a lower winding and unwinding guide wheel, an adapter linkage core rod and an adapter linkage sliding sleeve. An upper wire guide end of the medium-speed wire feeding machine tool is driven by an upper driving motor to deflect, a lower wire guide end of the medium-speed wire feeding machine tool is driven by a lower driving motor to deflect, and the deflection process of an upper winding and unwinding guide wheel and a lower winding and unwinding guide wheel is driven by a switching linkage core rod and a switching linkage sliding sleeve. The deflection process of the upper winding and unwinding guide wheel and the deflection process of the upper wire guide end are mutually independent, the deflection process of the lower winding and unwinding guide wheel and the deflection process of the lower wire guide end are mutually independent, the trend of the electrode wire can be adjusted more finely according to the shape and size requirements of a workpiece, and therefore the cutting precision is improved.

Description

Technical Field

[0001] The utility model relates to an electric spark wire cutting machine tool, in particular to a medium wire cutting machine tool with a shaftless central swing taper structure. Background Art

[0002] Patent document CN111843079A discloses a medium-speed wire cutting machine tool, which includes a machine base, a bed fixedly installed on the right side of the machine base, a frame fixedly installed in the middle of the top of the machine base, a taper plate fixedly installed on the top of the frame, a first middle drag movably installed on the top of the taper plate, a fixed block fixedly installed on the top of the first middle drag, and a second middle drag movably installed on the top of the bed. This precision CNC medium-speed wire cutting machine tool is provided with a vertical axis frame and a movable wire frame. Since the vertical axis frame has the function of up and down lifting and adjusting, it can drive the movable wire frame to move, thereby changing the distance between the movable wire frame and the fixed wire frame. At this time, the wire distance between the two guide wheels will also change accordingly, so that the operator can cut workpieces of different thicknesses, thereby increasing the practicality of the wire cutting machine tool. Utility Model Content

[0003] The utility model aims to provide a medium wire cutting machine tool with a shaftless center swing taper structure.

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

[0005] A medium wire cutting machine tool with a shaftless center swing taper structure, comprising:

[0006] An upper supporting crossbeam is mounted on the taper adjustment assembly and can move along with the taper adjustment assembly, with its inner end extending toward the wire storage barrel and its outer end extending toward the workpiece carrier;

[0007] The upper drive motor is installed on the upper support beam, can move with the upper support beam, and can operate independently on the upper support beam;

[0008] An upper transfer seat block is mounted on the end of the power output shaft of the upper drive motor, can move along with the upper drive motor, and is driven to deflect by the upper drive motor;

[0009] The upper wire guide end is mounted on the upper transfer seat block through a longitudinal rotation structure and is located above the workpiece carrier. The upper wire guide end can move and deflect with the upper transfer seat block and can deflect independently on the upper transfer seat block. The cutting wire output from the wire storage drum can pass through the upper wire guide end;

[0010] The upper wire guide motor is mounted on the upper adapter block and can move and deflect with the upper adapter block and can operate independently on the upper adapter block. Its power output shaft cooperates with the upper wire guide end to drive the upper wire guide end to deflect independently on the upper adapter block;

[0011] The upper unwinding guide wheel is installed on the inner end of the upper supporting beam through a longitudinal rotating structure and corresponds to the position of the wire storage drum. It can move and deflect with the upper transmission shaft and can rotate independently on the upper transmission shaft. The cutting wire output from the wire storage drum can pass through the upper unwinding guide wheel and then enter the upper wire guide end. The upper unwinding guide wheel guides its conveying process;

[0012] The lower supporting beam is installed on the wire transport frame and is located below the upper supporting beam. It can move with the wire transport frame, with its inner end extending toward the wire storage drum and its outer end extending toward the workpiece carrier.

[0013] The lower drive motor is installed on the lower support beam, can move with the lower support beam, and can operate independently on the lower support beam;

[0014] The lower transfer seat block is installed at the end of the power output shaft of the lower drive motor, can move with the lower drive motor, and is driven by the lower drive motor to deflect;

[0015] The lower wire guide end is mounted on the lower transfer seat block through a longitudinal rotation structure and is located below the workpiece carrier. It can move and deflect with the lower transfer seat block and can deflect independently on the lower transfer seat block. It corresponds to the position of the upper wire guide end. The cutting wire output by the upper wire guide end can pass through the lower wire guide end and be returned to the wire storage cylinder. The workpiece is cut by the section between the lower wire guide end and the upper wire guide end;

[0016] The lower wire guide motor is installed on the lower adapter block, can move and deflect with the lower adapter block, and can operate independently on the lower adapter block. Its power output shaft cooperates with the lower wire guide end to drive the lower wire guide end to deflect independently on the lower adapter block;

[0017] The lower unwinding guide wheel is installed on the inner end of the lower supporting beam through a longitudinal rotation structure and corresponds to the position of the wire storage drum. It can be deflected on the lower supporting beam and can rotate independently on the lower supporting beam. The cutting wire output from the lower wire guide end can be returned to the wire storage drum after passing through the lower unwinding guide wheel, and its conveying process is guided by the lower unwinding guide wheel.

[0018] A transfer linkage core rod is located between the upper support beam and the lower support beam, with its bottom end mounted on the inner end of the lower support beam via a longitudinal rotation structure. The transfer linkage core rod can move with the lower support beam and can independently deflect on the lower transmission shaft;

[0019] The transfer linkage sleeve is installed at the inner end of the upper supporting beam through the longitudinal rotation structure. It can deflect with the upper supporting beam and can deflect independently on the upper supporting beam. The top of the transfer linkage core rod passes through the transfer linkage sleeve. When the upper supporting beam moves, the lower transmission shaft rod can be driven to move through the transfer linkage sleeve and the transfer linkage core rod.

[0020] In one embodiment of the present invention, an upper follower guide wheel is provided in the upper wire guide end portion and is mounted via a longitudinal rotation structure. The upper follower guide wheel can move and deflect together with the upper wire guide end portion and can rotate independently in the upper wire guide end portion. The cutting wire output from the wire storage drum can pass through the upper follower guide wheel and be guided by the upper follower guide wheel during its conveying process.

[0021] The upper wire guide end is also provided with an upper wire guide nozzle, and the cutting wire output from the upper follower wheel can pass through the upper wire guide nozzle. The upper wire guide nozzle and the upper follower wheel are respectively arranged at both ends of the upper follower wheel. The external tangent point between the cutting wire and the upper follower wheel, the rotation axis of the upper follower wheel and the center hole of the upper wire guide nozzle are located on the same straight line.

[0022] The lower wire guide end is provided with a lower wire guide nozzle, and the cutting wire output from the upper wire guide nozzle can pass through the lower wire guide nozzle;

[0023] The lower wire guide end is provided with a lower follower guide wheel installed by a longitudinal rotation structure. The lower follower guide wheel can move and deflect with the lower wire guide end, and can rotate independently in the lower wire guide end. The cutting wire output from the lower wire guide water nozzle can pass around the lower follower guide wheel, and the lower follower guide wheel guides its conveying process. The lower follower guide wheel and the lower lower wire guide water nozzle are respectively arranged on both sides of the rotation axis of the lower wire guide end, and the center hole of the lower wire guide water nozzle, the rotation axis of the lower wire guide end and the outer tangent point between the cutting wire and the lower follower guide wheel are located on the same straight line.

[0024] In one embodiment of the present invention, an upper conductive end block is provided in the upper adapter block and is mounted by adjusting bolts. The cross section of the upper conductive end block is elliptical and is electrically connected to the power supply system via a line. The cutting wire between the upper wire guide end and the upper winding guide wheel abuts against the outer wall of the upper conductive end block.

[0025] An upper wire guide support wheel is also provided in the upper adapter block, which is located between the upper conductive end block and the upper wire guide end head. The cutting wire output from the upper conductive end block passes around the upper wire guide support wheel, and its conveying process is guided by the upper wire guide support wheel.

[0026] In one embodiment of the present invention, the lower adapter block includes a lower conductive end block installed by an adjusting bolt. The cross-section of the lower conductive end block is elliptical and is electrically connected to the power supply system via a line. The cutting wire between the lower wire guide end and the lower winding guide wheel abuts against the outer wall of the lower conductive end block. The lower conductive end block and the upper conductive end block conduct electricity to the cutting wire, so that the section of the cutting wire between the lower wire guide end and the upper wire guide end cuts the workpiece in the workpiece carrier.

[0027] The lower transfer seat block is also provided with a lower wire guide support wheel, which is located between the lower conductive end block and the lower wire guide end head. The cutting wire output from the lower wire guide end head passes around the lower wire guide support wheel, and its conveying process is guided by the lower wire guide support wheel.

[0028] In one embodiment of the present invention, the taper adjustment mechanism includes:

[0029] A vertical bracket is mounted on the wire transport platform and can move with the wire transport platform;

[0030] 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;

[0031] 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.

[0032] The tapered bracket is installed on the transverse bracket through a transverse sliding structure. It cooperates with the transverse drive assembly and is connected to the upper supporting beam. It can move together with the transverse bracket. The transverse drive assembly drives the tapered bracket to move transversely on the transverse bracket and drives the upper supporting beam to move.

[0033] in:

[0034] 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.

[0035] 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.

[0036] 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;

[0037] 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.

[0038] In one embodiment of the present invention, the transverse support comprises:

[0039] 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.

[0040] 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.

[0041] 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 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;

[0042] An upper sash is provided inside the upper cross frame, and the upper sash is formed by staggered joining of plates;

[0043] A lower sash is provided inside the lower cross frame, and the upper sash is formed by staggered joining of plates.

[0044] In one embodiment of the present invention, the longitudinal bracket is formed by enclosing plates, and a longitudinal sash is provided inside the longitudinal bracket. The longitudinal sash is formed by staggered joining of plates, and the longitudinal bracket is structurally reinforced by the longitudinal sash.

[0045] The tapered bracket is formed by enclosing a plate, 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.

[0046] 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.

[0047] In one embodiment of the present invention, an offset boss is provided on the side of the longitudinal bracket, the offset boss protrudes toward the outside of the longitudinal bracket, and the lower longitudinal slide rail is mounted on the offset boss.

[0048] The advantages of the present invention are:

[0049] The upper wire guide end of the wire feeding machine is driven to deflect by the upper driving motor, and the lower wire guide end is driven to deflect by the lower driving motor. The deflection process of the upper winding guide wheel and the lower winding guide wheel is driven by the transfer linkage core rod and the transfer linkage sliding sleeve. The deflection process of the upper winding guide wheel and the upper wire guide end is independent of each other, and the deflection process of the lower winding guide wheel and the lower wire guide end is independent of each other. The direction of the electrode wire can be more finely adjusted according to the shape and size requirements of the workpiece, thereby improving the High cutting accuracy can reduce the error caused by electrode wire jitter or offset, ensuring that the size and shape of the processed workpiece meet the design requirements. At the same time, the outer tangent point between the cutting wire and the upper follower guide wheel, the rotation axis of the upper wire guide end and the center hole of the upper wire guide water nozzle are located on the same straight line. The center hole of the lower wire guide water nozzle, the rotation axis of the lower wire guide end and the outer tangent point between the cutting wire and the lower follower guide wheel are located on the same straight line, making the taper adjustment process more convenient and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 This is a structural diagram of a medium wire cutting machine tool with a shaftless center swing taper structure proposed by the present invention;

[0051] Figure 2 This is one of the partial structural diagrams of the machine tool;

[0052] Figure 3 This is the second schematic diagram of the local structure of the machine tool;

[0053] Figure 4 This is the third schematic diagram of the local structure of the machine tool. DETAILED DESCRIPTION

[0054] 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.

[0055] like Figures 1 to 4 As shown, the medium-speed wire cutting machine with a shaftless central swing taper structure proposed in the present invention includes an upper supporting crossbeam 110, an upper driving motor 120, an upper adapter block 130, an upper wire guide end 140, an upper wire guide motor 150, an upper winding and unwinding guide wheel 160, a lower supporting crossbeam 210, a lower driving motor 220, a lower adapter block 230, a lower wire guide end 240, a lower wire guide motor 250, a lower winding and unwinding guide wheel 260, a transfer linkage core rod 270 and a transfer linkage sliding sleeve 280;

[0056] The upper supporting beam is installed on the taper adjustment assembly and can move together with the taper adjustment assembly, with its inner end extending toward the wire storage barrel and its outer end extending toward the workpiece carrier;

[0057] The upper drive motor is installed on the upper supporting beam and can move with the upper supporting beam and can operate independently on the upper supporting beam;

[0058] The upper adapter block is installed at the end of the power output shaft of the upper drive motor, can move with the upper drive motor, and is driven by the upper drive motor to deflect;

[0059] The upper wire guide end is mounted on the upper transfer block through a longitudinal rotation structure and is located above the workpiece carrier. It can move and deflect with the upper transfer block and can deflect independently on the upper transfer block. The cutting wire output from the wire storage drum can pass through the upper wire guide end;

[0060] The upper wire guide motor is installed on the upper transfer seat block, can move and deflect with the upper transfer seat block, and can operate independently on the upper transfer seat block. Its power output shaft cooperates with the upper wire guide end to drive the upper wire guide end to deflect independently on the upper transfer seat block;

[0061] The upper unwinding guide wheel is installed on the inner end of the upper supporting beam through a longitudinal rotating structure and corresponds to the position of the wire storage drum. It can move and deflect together with the upper transmission shaft and can rotate independently on the upper transmission shaft. The cutting wire output from the wire storage drum can pass through the upper unwinding guide wheel and enter the upper wire guide end. The upper unwinding guide wheel guides its conveying process.

[0062] The lower supporting beam is installed on the wire transport frame and is located below the upper supporting beam. It can move with the wire transport frame, with its inner end extending toward the wire storage drum and its outer end extending toward the workpiece carrier.

[0063] The lower drive motor is installed on the lower supporting beam and can move with the lower supporting beam and can operate independently on the lower supporting beam;

[0064] The lower adapter block is installed at the end of the power output shaft of the lower drive motor, can move with the lower drive motor, and is driven by the lower drive motor to deflect;

[0065] The lower wire guide end is installed on the lower transfer seat block through a longitudinal rotation structure and is located below the workpiece carrier. It can move and deflect with the lower transfer seat block and can deflect independently on the lower transfer seat block. It corresponds to the position of the upper wire guide end. The cutting wire output by the upper wire guide end can pass through the lower wire guide end and be returned to the wire storage cylinder. The workpiece is cut by the section between the lower wire guide end and the upper wire guide end.

[0066] The lower wire guide motor is installed on the lower transfer seat block, can move and deflect with the lower transfer seat block, and can operate independently on the lower transfer seat block. Its power output shaft cooperates with the lower wire guide end to drive the lower wire guide end to deflect independently on the lower transfer seat block;

[0067] The lower unwinding guide wheel is installed on the inner end of the lower supporting beam through a longitudinal rotation structure and corresponds to the position of the wire storage drum. It can be deflected on the lower supporting beam and can rotate independently on the lower supporting beam. The cutting wire output from the lower wire guide end can be returned to the wire storage drum after passing through the lower unwinding guide wheel, and its conveying process is guided by the lower unwinding guide wheel.

[0068] The transfer linkage core rod is located between the upper support beam and the lower support beam, and its bottom end is installed on the inner end of the lower support beam through a longitudinal rotation structure. It can move with the lower support beam and can deflect independently on the lower transmission shaft.

[0069] The transfer linkage sleeve is installed at the inner end of the upper support beam through the longitudinal rotation structure. It can deflect with the upper support beam and can deflect independently on the upper support beam. The top of the transfer linkage core rod passes through the transfer linkage sleeve. When the upper support beam moves, the lower transmission shaft rod can be driven to move through the transfer linkage sleeve and the transfer linkage core rod.

[0070] In this embodiment, an upper follower guide wheel 141 is provided in the upper wire guide end portion and is mounted via a longitudinal rotation structure. The upper follower guide wheel can move and deflect together with the upper wire guide end portion and can rotate independently in the upper wire guide end portion. The cutting wire output from the wire storage drum can pass around the upper follower guide wheel and be guided by the upper follower guide wheel during its conveying process.

[0071] The upper wire guide end is further provided with an upper wire guide nozzle 142, through which the cutting wire outputted from the upper follower wheel can pass. The upper wire guide nozzle and the upper follower wheel are respectively arranged at both ends of the upper follower wheel. The external tangent point between the cutting wire and the upper follower wheel, the rotation axis of the upper follower wheel and the center hole of the upper wire guide nozzle are located on the same straight line.

[0072] The lower wire guide end is provided with a lower wire guide nozzle 241, and the cutting wire output from the upper wire guide nozzle can pass through the lower wire guide nozzle;

[0073] The lower wire guide end is provided with a lower follower guide wheel 242 installed through a longitudinal rotating structure. The lower follower guide wheel can move and deflect with the lower wire guide end, and can rotate independently in the lower wire guide end. The cutting wire output from the lower wire guide water nozzle can pass around the lower follower guide wheel, and the lower follower guide wheel guides its conveying process. The lower follower guide wheel and the lower lower wire guide water nozzle are arranged on both sides of the rotation axis of the lower wire guide end. The center hole of the lower wire guide water nozzle, the rotation axis of the lower wire guide end and the outer tangent point between the cutting wire and the lower follower guide wheel are located on the same straight line.

[0074] In this embodiment, an upper conductive end block 131 is provided in the upper adapter block and is installed by adjusting bolts. The cross section of the upper conductive end block is elliptical and is electrically connected to the power supply system through a line. The cutting wire between the upper guide wire end and the upper winding guide wheel abuts against the outer wall of the upper conductive end block.

[0075] An upper wire guide support wheel 132 is also provided in the upper adapter block, and the upper wire guide support wheel is located between the upper conductive end block and the upper wire guide end head. The cutting wire output from the upper conductive end block passes around the upper wire guide support wheel, and the upper wire guide support wheel guides its conveying process.

[0076] In this embodiment, the lower adapter block includes a lower conductive end block 231 installed by an adjusting bolt. The cross-section of the lower conductive end block is elliptical and is electrically connected to the power supply system via a line. The cutting wire between the lower wire guide end and the lower winding guide wheel abuts against the outer wall of the lower conductive end block. The lower conductive end block and the upper conductive end block conduct electricity to the cutting wire, so that the section of the cutting wire between the lower wire guide end and the upper wire guide end cuts the workpiece in the workpiece carrier.

[0077] A lower wire guide support wheel 232 is also provided in the lower adapter block, and the lower wire guide support wheel is located between the lower conductive end block and the lower wire guide end head. The cutting wire output from the lower wire guide end head passes around the lower wire guide support wheel, and its conveying process is guided by the lower wire guide support wheel.

[0078] In this embodiment, the taper adjustment mechanism includes a vertical bracket 310, a longitudinal bracket 320, a transverse bracket 330 and a taper bracket 340. The vertical bracket is mounted on the wire transport platform 311 and can move together with the wire transport platform. 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 is driven by the vertical driving assembly 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 is driven by the longitudinal driving assembly to move longitudinally on the longitudinal bracket. The tapered bracket is mounted on the transverse bracket through a transverse sliding structure, which cooperates with the transverse driving assembly and is connected to the upper supporting beam. It can move together with the transverse bracket and is driven by the transverse driving assembly to move transversely on the transverse bracket and drive the upper supporting beam to move.

[0079] in:

[0080] 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.

[0081] 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.

[0082] 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;

[0083] 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.

[0084] In this embodiment, the transverse bracket includes an upper transverse frame 331 and a lower transverse frame 332. 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. 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.

[0085] In this embodiment, the upper flange bent 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;

[0086] An upper sash is provided inside the upper cross frame, and the upper sash is formed by staggered joining of plates, and the upper cross frame is structurally reinforced by the upper sash;

[0087] 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.

[0088] 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 longitudinal bracket.

[0089] 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 make the pressure applied by the wire transport arm to the tapered bracket point obliquely downward, so as to reduce the lateral pulling force applied by the wire transport arm to the upper horizontal slide rail.

[0090] The vertical bracket is formed by enclosing the plates, and a vertical frame is provided inside the vertical bracket. The vertical frame is formed by staggered connection of the plates, and the vertical frame is used to strengthen the structure of the vertical bracket.

[0091] In this embodiment, 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 on the upper longitudinal slide rail.

[0092] 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 those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

Claims

1. A medium-speed wire-cutting machine tool with a shaftless center swing taper structure, characterized in that: include: An upper supporting crossbeam is mounted on the taper adjustment assembly and can move along with the taper adjustment assembly, with its inner end extending toward the wire storage barrel and its outer end extending toward the workpiece carrier; The upper drive motor is installed on the upper support beam, can move with the upper support beam, and can operate independently on the upper support beam; An upper transfer seat block is mounted on the end of the power output shaft of the upper drive motor, can move along with the upper drive motor, and is driven to deflect by the upper drive motor; The upper wire guide end is mounted on the upper transfer seat block through a longitudinal rotation structure and is located above the workpiece carrier. The upper wire guide end can move and deflect with the upper transfer seat block and can deflect independently on the upper transfer seat block. The cutting wire output from the wire storage drum can pass through the upper wire guide end; The upper wire guide motor is mounted on the upper adapter block and can move and deflect with the upper adapter block and can operate independently on the upper adapter block. Its power output shaft cooperates with the upper wire guide end to drive the upper wire guide end to deflect independently on the upper adapter block; The upper unwinding guide wheel is installed on the inner end of the upper supporting beam through a longitudinal rotating structure and corresponds to the position of the wire storage drum. It can move and deflect with the upper transmission shaft and can rotate independently on the upper transmission shaft. The cutting wire output from the wire storage drum can pass through the upper unwinding guide wheel and then enter the upper wire guide end. The upper unwinding guide wheel guides its conveying process; The lower supporting beam is installed on the wire transport frame and is located below the upper supporting beam. It can move with the wire transport frame, with its inner end extending toward the wire storage drum and its outer end extending toward the workpiece carrier. The lower driving motor is installed on the lower supporting beam, can move with the lower supporting beam, and can operate independently on the lower supporting beam; The lower transfer seat block is installed at the end of the power output shaft of the lower drive motor, can move with the lower drive motor, and is driven by the lower drive motor to deflect; The lower wire guide end is mounted on the lower transfer seat block through a longitudinal rotation structure and is located below the workpiece carrier. It can move and deflect with the lower transfer seat block and can deflect independently on the lower transfer seat block. It corresponds to the position of the upper wire guide end. The cutting wire output by the upper wire guide end can pass through the lower wire guide end and be returned to the wire storage cylinder. The workpiece is cut by the section between the lower wire guide end and the upper wire guide end; The lower wire guide motor is installed on the lower adapter block, can move and deflect with the lower adapter block, and can operate independently on the lower adapter block. Its power output shaft cooperates with the lower wire guide end to drive the lower wire guide end to deflect independently on the lower adapter block; The lower unwinding guide wheel is installed on the inner end of the lower supporting beam through a longitudinal rotation structure and corresponds to the position of the wire storage drum. It can be deflected on the lower supporting beam and can rotate independently on the lower supporting beam. The cutting wire output from the lower wire guide end can be returned to the wire storage drum after passing through the lower unwinding guide wheel, and its conveying process is guided by the lower unwinding guide wheel. A transfer linkage core rod is located between the upper support beam and the lower support beam, with its bottom end mounted on the inner end of the lower support beam via a longitudinal rotation structure. The transfer linkage core rod can move with the lower support beam and can independently deflect on the lower transmission shaft; The transfer linkage sleeve is installed at the inner end of the upper supporting beam through the longitudinal rotation structure. It can deflect with the upper supporting beam and can deflect independently on the upper supporting beam. The top of the transfer linkage core rod passes through the transfer linkage sleeve. When the upper supporting beam moves, the lower transmission shaft rod can be driven to move through the transfer linkage sleeve and the transfer linkage core rod.

2. The medium-speed wire cutting machine tool with a shaftless center swing taper structure according to claim 1, characterized in that: The upper wire guide end is provided with an upper follower guide wheel installed through a longitudinal rotation structure. The upper follower guide wheel can move and deflect together with the upper wire guide end and can rotate independently in the upper wire guide end. The cutting wire output from the wire storage drum can pass through the upper follower guide wheel and be guided by the upper follower guide wheel during its transportation process. The upper wire guide end is also provided with an upper wire guide nozzle, and the cutting wire output from the upper follower wheel can pass through the upper wire guide nozzle. The upper wire guide nozzle and the upper follower wheel are respectively arranged at both ends of the upper follower wheel. The external tangent point between the cutting wire and the upper follower wheel, the rotation axis of the upper follower wheel and the center hole of the upper wire guide nozzle are located on the same straight line. The lower wire guide end is provided with a lower wire guide nozzle, and the cutting wire output from the upper wire guide nozzle can pass through the lower wire guide nozzle; The lower wire guide end is provided with a lower follower guide wheel installed by a longitudinal rotation structure. The lower follower guide wheel can move and deflect with the lower wire guide end, and can rotate independently in the lower wire guide end. The cutting wire output from the lower wire guide water nozzle can pass around the lower follower guide wheel, and the lower follower guide wheel guides its conveying process. The lower follower guide wheel and the lower lower wire guide water nozzle are respectively arranged on both sides of the rotation axis of the lower wire guide end, and the center hole of the lower wire guide water nozzle, the rotation axis of the lower wire guide end and the outer tangent point between the cutting wire and the lower follower guide wheel are located on the same straight line.

3. The medium-speed wire cutting machine tool with a shaftless center swing taper structure according to claim 1, characterized in that: The upper adapter block is provided with an upper conductive end block installed by adjusting bolts. The cross section of the upper conductive end block is elliptical and is electrically connected to the power supply system through a line. The cutting wire between the upper wire guide end and the upper winding guide wheel abuts against the outer wall of the upper conductive end block. An upper wire guide support wheel is also provided in the upper adapter block, which is located between the upper conductive end block and the upper wire guide end head. The cutting wire output from the upper conductive end block passes around the upper wire guide support wheel, and its conveying process is guided by the upper wire guide support wheel.

4. The medium-speed wire cutting machine tool with a shaftless center swing taper structure according to claim 3, characterized in that: The lower adapter block includes a lower conductive end block installed by an adjusting bolt. The cross-section of the lower conductive end block is elliptical and is electrically connected to the power supply system via a line. The cutting wire between the lower wire guide end and the lower winding guide wheel abuts against the outer wall of the lower conductive end block. The lower conductive end block and the upper conductive end block conduct electricity to the cutting wire, so that the section of the cutting wire between the lower wire guide end and the upper wire guide end cuts the workpiece in the workpiece carrier. The lower transfer seat block is also provided with a lower wire guide support wheel, which is located between the lower conductive end block and the lower wire guide end head. The cutting wire output from the lower wire guide end head passes around the lower wire guide support wheel, and its conveying process is guided by the lower wire guide support wheel.

5. The medium-speed wire cutting machine tool with a shaftless center swing taper structure according to claim 1, characterized in that: The taper adjustment mechanism includes: A vertical bracket is mounted on the wire transport platform 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 tapered bracket is installed on the transverse bracket through a transverse sliding structure. It cooperates with the transverse drive assembly and is connected to the upper supporting beam. It can move together with the transverse bracket. The transverse drive assembly drives the tapered bracket to move transversely on the transverse bracket and drives the upper supporting beam to move. in: 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.

6. The medium-speed wire cutting machine tool with a shaftless center swing taper structure according to claim 5, 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.

7. The medium-speed wire cutting machine tool with a shaftless center swing taper structure according to claim 6, 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 strengthen the structure of the connecting portion between the upper flange and the upper cross frame; 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.

8. The medium-speed wire cutting machine tool with a shaftless center swing taper structure according to claim 5, characterized in that: 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 joints of plates, and the longitudinal frame strengthens the structure of the longitudinal bracket. The tapered bracket is formed by enclosing a plate, 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 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.

9. The medium-speed wire cutting machine tool with a shaftless center swing taper structure according to claim 8, 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.

Images