Medium-speed wire feeding machine tool with shaftless center swinging taper structure
By designing a shaftless center swing taper structure on a medium wire travel machine, using the deflection mechanism of the guide wire end and rolling guide wheel, fine adjustment of the direction of the electrode wire is achieved, and the cutting accuracy and dimensional error in the prior art is solved The problem of improving the shape and dimensional compliance of the workpiece.
Patent Information
- Application Number
- CN202411437736.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-01-10
AI Technical Summary
When existing medium wire cutting machines deal with workpieces of different thicknesses, the oscillation and offset of electrode wires lead to cutting accuracy and dimensional errors, making it difficult to meet the design requirements of workpiece shape and size.
A medium-wire-moving machine tool with a shaftless center swing taper structure is designed. Through the deflection mechanism of the upper and lower guide wire ends, combined with the rolling guide wheel, the adapter linkage core rod and the sliding sleeve, the fine adjustment of the electrode wire is achieved. , ensure the precise direction and taper adjustment of the cutting wire.
It improves cutting accuracy, reduces errors caused by electrode wire jitter and offset, ensures that the size and shape of the processed workpiece meet the design requirements, and the taper adjustment process is more convenient and accurate.
Smart Images

Figure CN119282285A_ABST
Abstract
Description
Technical Field
[0001] The invention 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 is fixedly installed on the right side of the machine base, a frame is fixedly installed in the middle of the top of the machine base, a taper plate is fixedly installed on the top of the frame, a first middle slide is movably installed on the top of the taper plate, a fixed block is fixedly installed on the top of the first middle slide, and a second middle slide is movably installed on the top of the bed. The 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. Summary of the invention
[0003] The purpose of the invention is to provide a medium-speed wire-cutting machine tool with a shaftless central swing taper structure.
[0004] The technical solution adopted by the present invention to solve the technical problem is:
[0005] A medium wire cutting machine tool with a shaftless center swing taper structure, comprising:
[0006] An upper supporting crossbeam, which is mounted 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;
[0007] An upper driving motor, the upper pivoting motor is mounted on the upper supporting beam, can move with the upper supporting beam, and can operate independently on the upper supporting beam;
[0008] An upper transfer seat 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 to deflect by the upper drive motor;
[0009] An upper wire guide end, which is mounted on the upper transfer seat block through a longitudinal rotation structure and is located above the workpiece carrier, can move and deflect with the upper transfer seat block, and can deflect independently on the upper transfer seat block, and the cutting wire output from the wire storage cylinder can pass through the upper wire guide end;
[0010] 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 head, and can drive the upper wire guide end head to deflect independently on the upper transfer seat block;
[0011] The upper unwinding guide wheel is installed at the inner end of the upper supporting crossbeam through a longitudinal rotating structure and corresponds to the position of the wire storage drum. The upper unwinding guide wheel 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 enter the upper wire guide end after passing through the upper unwinding guide wheel, and the upper unwinding guide wheel guides its conveying process;
[0012] A lower supporting crossbeam is installed on the wire transport frame and is located below the upper supporting crossbeam. The lower supporting crossbeam can move with the wire transport frame, and its inner end extends toward the wire storage cylinder and its outer end extends toward the workpiece carrier.
[0013] A lower drive motor, which is mounted on the lower support beam, can move with the lower support beam, and can operate independently on the lower support beam;
[0014] A lower transfer seat block, which 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 to deflect by the lower drive motor;
[0015] 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 tube. The workpiece is cut by the section between the lower wire guide end and the upper wire guide end of the cutting wire.
[0016] 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 head, and can drive the lower wire guide end head to deflect independently on the lower transfer seat block;
[0017] The lower unwinding guide wheel is installed at the inner end of the lower supporting beam through a longitudinal rotating structure and corresponds to the position of the wire storage drum. The lower unwinding guide wheel can be deflected on the lower supporting beam and can be independently rotated 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 the lower unwinding guide wheel guides its conveying process;
[0018] A transfer linkage core rod, which is located between the upper support beam and the lower support beam, and whose bottom end is installed on the inner end of the lower support beam through a longitudinal rotation structure, can move with the lower support beam, and can deflect independently on the lower transmission shaft rod;
[0019] The transfer linkage sliding sleeve is installed at the inner end of the upper supporting beam through a 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 sliding sleeve. When the upper supporting beam moves, the lower transmission shaft rod can be driven to move through the transfer linkage sliding sleeve and the transfer linkage core rod.
[0020] In one embodiment of the present invention, an upper follower guide wheel installed by a longitudinal rotating structure is provided in the upper wire guide end, and 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, and the cutting wire output from the wire storage drum can pass through the upper follower guide wheel, and the upper follower guide wheel guides its conveying process;
[0021] An upper wire guide nozzle is also provided in the upper wire guide end, 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 arranged at both ends of the upper follower wheel. The outer 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] A lower wire guide nozzle is provided in the lower wire guide end, and the cutting wire output from the upper wire guide nozzle can pass through the lower wire guide nozzle;
[0023] A lower follower guide wheel installed through a longitudinal rotating structure is provided in the lower wire guide terminal. The lower follower guide wheel can move and deflect with the lower wire guide terminal, and can rotate independently in the lower wire guide terminal. The cutting wire output from the lower wire guide water nozzle can pass around the lower follower guide wheel, and its conveying process is guided by the lower follower guide wheel. The lower follower guide wheel and the lower lower wire guide water nozzle are arranged on both sides of the rotating axis of the lower wire guide terminal. The center hole of the lower wire guide water nozzle, the rotating axis of the lower wire guide terminal 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 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.
[0025] An upper wire guide support wheel 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 its conveying process is guided by the upper wire guide support wheel.
[0026] In one embodiment of the present invention, the lower adapter block has a lower conductive end block installed by an adjusting bolt, the cross section of the lower conductive end block is elliptical, and the lower conductive end block is electrically connected to the power supply system through 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, and 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 located between the lower wire guide end and the upper wire guide end cuts the workpiece in the workpiece carrier;
[0027] A lower wire guide support wheel 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.
[0028] In one embodiment of the present invention, the taper adjustment mechanism comprises:
[0029] A vertical bracket, which is mounted on the wire transport platform and can move with the wire transport platform;
[0030] A longitudinal bracket, which is installed on the vertical bracket through a vertical sliding structure and cooperates with a vertical driving assembly to move with the vertical bracket, and the vertical driving assembly drives the longitudinal bracket to move vertically on the vertical bracket;
[0031] A transverse bracket, which is installed on the longitudinal bracket through a longitudinal sliding structure and cooperates with a longitudinal driving assembly to move together with the longitudinal bracket, and the longitudinal driving 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, cooperates with the transverse driving assembly, and is connected to the upper supporting crossbeam, and can move together with the transverse bracket. The transverse driving assembly drives the tapered bracket to move transversely on the transverse bracket, and drives the upper supporting crossbeam 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, and the lower longitudinal slide rail is located below the upper longitudinal slide rail, is parallel to the upper longitudinal slide rail, and protrudes outside the longitudinal bracket;
[0035] An upper longitudinal slide block and a lower longitudinal slide block are installed in the transverse bracket. The upper longitudinal slide block is buckled on the top of the upper longitudinal slide rail and can move along the upper longitudinal slide rail. The lower longitudinal slide block 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, which is formed by enclosing a plate body and is located outside the longitudinal bracket, with its bottom end extending below the longitudinal bracket, its top end bending toward the longitudinal bracket and extending above the upper longitudinal slide rail to form an upper flange, and the upper longitudinal slide block is installed at the bottom of the upper flange;
[0040] The lower cross frame is formed by enclosing a plate body, which is located outside the upper cross frame and below the longitudinal support. The bottom end of the upper cross frame is connected to the lower cross frame, and 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, the upper flange bending portion is provided with a connecting boss, 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 frame is provided inside the upper cross frame, and the upper frame is formed by staggered joint of plates;
[0043] A lower frame is arranged inside the lower cross frame, and the upper frame is formed by staggered connection of plates.
[0044] 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 connection of plates, and the longitudinal frame is used to strengthen the structure of the longitudinal bracket;
[0045] The tapered bracket is formed by enclosing a plate, and a group of tapered angle plates are arranged on the side thereof, each tapered angle plate extends vertically, and the top width thereof is smaller than the bottom width thereof;
[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 outward from 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 medium 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, and the deflection process of the upper unwinding guide wheel and the lower unwinding guide wheel is driven by the transfer linkage core rod and the transfer linkage sliding sleeve. The deflection process of the upper unwinding guide wheel and the upper wire guide end is independent of each other, and the deflection process of the lower unwinding guide wheel and the lower wire guide end is independent of each other. The direction of the electrode wire can be adjusted more finely according to the shape and size requirements of the workpiece, thereby improving the precision of the workpiece. 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 follow-up 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, 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 follow-up 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 It is a structural schematic diagram of a medium-speed 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 partial structure of the machine tool;
[0053] Figure 4 This is the third schematic diagram of the partial structure of the machine tool. DETAILED DESCRIPTION
[0054] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme 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 claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.
[0055] like Figure 1 to Figure 4 As shown, the medium-speed wire cutting machine with a shaftless central swing taper structure proposed by the present invention comprises an upper supporting crossbeam 110, an upper driving motor 120, an upper transfer seat block 130, an upper wire guide end 140, an upper wire guide motor 150, an upper winding guide wheel 160, a lower supporting crossbeam 210, a lower driving motor 220, a lower transfer seat block 230, a lower wire guide end 240, a lower wire guide motor 250, a lower winding guide wheel 260, a transfer linkage core rod 270 and a transfer linkage sliding sleeve 280;
[0056] The upper supporting crossbeam 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 cylinder and its outer end extending toward the workpiece carrier;
[0057] The upper pivoting motor is mounted on the upper supporting beam, can move with the upper supporting beam, and can operate independently on the upper supporting beam;
[0058] The upper transfer seat block is installed at the end of the power output shaft of the upper drive motor, and can move with the upper drive motor and be driven to deflect by the upper drive motor;
[0059] The upper wire guide end is installed on the upper transfer seat block through a longitudinal rotating structure and is located above the workpiece carrier. It 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 cylinder 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 head, and can drive the upper wire guide end head to deflect independently on the upper transfer seat block;
[0061] The upper unwinding guide wheel is installed at the inner end of the upper supporting crossbeam 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 enter the upper wire guide end after winding through the upper unwinding guide wheel, and the upper unwinding guide wheel guides its conveying process.
[0062] The lower supporting crossbeam is installed on the wire transport stand and is located below the upper supporting crossbeam. It can move with the wire transport stand, with its inner end extending toward the wire storage barrel and its outer end extending toward the workpiece carrier.
[0063] The lower drive motor is installed on the lower supporting beam, can move with the lower supporting beam, and can operate independently on the lower supporting beam;
[0064] The lower transfer seat block is installed at the end of the power output shaft of the lower drive motor, and can move with the lower drive motor and be driven to deflect by the lower drive motor;
[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 tube. The workpiece is cut by the section between the lower wire guide end and the upper wire guide end of the cutting wire.
[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 head, and can drive the lower wire guide end head to deflect independently on the lower transfer seat block;
[0067] The lower winding guide wheel is installed at the inner end of the lower supporting beam through a longitudinal rotating structure, and corresponds to the position of the wire storage drum. It can be deflected on the lower supporting beam and can be rotated 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 winding guide wheel, and the lower winding guide wheel guides its conveying process.
[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, and can move with the lower support beam and can deflect independently on the lower transmission shaft rod;
[0069] The transfer linkage sliding 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 sliding sleeve. When the upper supporting beam moves, the lower transmission shaft rod can be driven to move through the transfer linkage sliding sleeve and the transfer linkage core rod.
[0070] In this embodiment, an upper follower guide wheel 141 installed by a longitudinal rotating structure is provided in the upper wire guide end. 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 the upper follower guide wheel guides its conveying process.
[0071] An upper wire guide nozzle 142 is also provided in the upper wire guide end, 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 arranged at both ends of the upper follower wheel. The outer 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] A lower wire guide nozzle 241 is provided in the lower wire guide end, and the cutting wire output from the upper wire guide nozzle can pass through the lower wire guide nozzle;
[0073] A lower follower guide wheel 242 installed through a longitudinal rotating structure is provided in the lower wire guide terminal. The lower follower guide wheel can move and deflect with the lower wire guide terminal, and can rotate independently in the lower wire guide terminal. The cutting wire output from the lower wire guide nozzle can pass around the lower follower guide wheel, and its conveying process is guided by the lower follower guide wheel. The lower follower guide wheel and the lower lower wire guide nozzle are arranged on both sides of the rotation axis of the lower wire guide terminal. The center hole of the lower wire guide nozzle, the rotation axis of the lower wire guide terminal 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 installed by adjusting bolts is provided in the upper adapter block, the cross section of the upper conductive end block is elliptical, and it is electrically connected to the power supply system through a line, and 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;
[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 its conveying process is guided by the upper wire guide support wheel.
[0076] In this embodiment, the lower adapter block has a lower conductive end block 231 installed by adjusting bolts, the cross section of the lower conductive end block is elliptical, and it is electrically connected to the power supply system through 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, and 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 located 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 installed on the wire transport platform 311 and can move together with the wire transport platform. The longitudinal bracket is installed on the vertical bracket through a vertical sliding structure and cooperates with the vertical driving component. It can move together with the vertical bracket, and the vertical driving component drives the longitudinal bracket to move vertically on the vertical bracket. The transverse bracket is installed on the longitudinal bracket through a longitudinal sliding structure and cooperates with the longitudinal driving component. It can move together with the longitudinal bracket, and the longitudinal driving component 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, which cooperates with the transverse driving component and is connected to the upper supporting crossbeam. It can move together with the transverse bracket, and the transverse driving component drives the taper bracket to move horizontally on the transverse bracket and drives the upper supporting crossbeam 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, and the lower longitudinal slide rail is located below the upper longitudinal slide rail, is parallel to the upper longitudinal slide rail, and protrudes outside the longitudinal bracket;
[0081] An upper longitudinal slide block and a lower longitudinal slide block are installed in the transverse bracket. The upper longitudinal slide block is buckled on the top of the upper longitudinal slide rail and can move along the upper longitudinal slide rail. The lower longitudinal slide block 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 body and is located on the outside of the longitudinal bracket. Its bottom end extends below 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 slide is installed at the bottom of the upper flange. The lower transverse frame is formed by enclosing a plate body 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 bending portion is provided with a connecting boss, 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;
[0086] An upper frame is provided inside the upper cross frame, and the upper frame is formed by staggered joint of plates, and the upper frame is structurally reinforced by the upper frame;
[0087] A lower frame is arranged inside the lower cross frame. The upper frame is formed by staggered connection of plates, and the lower cross frame is structurally reinforced by the lower frame.
[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 connection of plates, and the longitudinal frame is used to strengthen the structure of 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 are used to 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 transverse slide rail.
[0090] 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, 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 outward from 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 an oblique line, and the pressure applied by the transverse bracket to the longitudinal bracket is directed obliquely downward to reduce the lateral pulling force applied by the transverse bracket to the upper longitudinal slide rail.
[0092] In the description of the present invention, it should be noted that when terms such as "upper", "lower", "inner", "outer", "left", "right" and the like indicating orientation or positional relationship appear, it should be understood that the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art, is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the equipment or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. 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 invention, 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, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention 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, which is mounted 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; An upper driving motor, the upper pivoting motor is mounted on the upper supporting beam, can move with the upper supporting beam, and can operate independently on the upper supporting beam; An upper transfer seat 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 to deflect by the upper drive motor; An upper wire guide end, which is mounted on the upper transfer seat block through a longitudinal rotation structure and is located above the workpiece carrier, can move and deflect with the upper transfer seat block, and can deflect independently on the upper transfer seat block, and the cutting wire output from the wire storage cylinder can pass through the upper wire guide end; 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 head, and can drive the upper wire guide end head to deflect independently on the upper transfer seat block; The upper unwinding guide wheel is installed at the inner end of the upper supporting crossbeam through a longitudinal rotating structure and corresponds to the position of the wire storage drum. The upper unwinding guide wheel 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 enter the upper wire guide end after passing through the upper unwinding guide wheel, and the upper unwinding guide wheel guides its conveying process; A lower supporting crossbeam is installed on the wire transport frame and is located below the upper supporting crossbeam. The lower supporting crossbeam can move with the wire transport frame, and its inner end extends toward the wire storage cylinder and its outer end extends toward the workpiece carrier. A lower drive motor, which is mounted on the lower support beam, can move with the lower support beam, and can operate independently on the lower support beam; A lower transfer seat block, which 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 to deflect by the lower drive motor; 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 tube. The workpiece is cut by the section between the lower wire guide end and the upper wire guide end of the cutting wire. 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 head, and can drive the lower wire guide end head to deflect independently on the lower transfer seat block; The lower unwinding guide wheel is installed at the inner end of the lower supporting beam through a longitudinal rotating structure and corresponds to the position of the wire storage drum. The lower unwinding guide wheel can be deflected on the lower supporting beam and can be independently rotated 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 the lower unwinding guide wheel guides its conveying process; A transfer linkage core rod, which is located between the upper support beam and the lower support beam, and whose bottom end is installed on the inner end of the lower support beam through a longitudinal rotation structure, can move with the lower support beam, and can deflect independently on the lower transmission shaft rod; The transfer linkage sliding sleeve is installed at the inner end of the upper supporting beam through a 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 sliding sleeve. When the upper supporting beam moves, the lower transmission shaft rod can be driven to move through the transfer linkage sliding 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: An upper follower guide wheel installed through a longitudinal rotating structure is provided in the upper wire guide end head. The upper follower guide wheel can move and deflect together with the upper wire guide end head, and can rotate independently in the upper wire guide end head. The cutting wire output from the wire storage drum can pass through the upper follower guide wheel, and the upper follower guide wheel guides its conveying process. An upper wire guide nozzle is also provided in the upper wire guide end, 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 arranged at both ends of the upper follower wheel. The outer 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. A lower wire guide nozzle is provided in the lower wire guide end, and the cutting wire output from the upper wire guide nozzle can pass through the lower wire guide nozzle; A lower follower guide wheel installed through a longitudinal rotating structure is provided in the lower wire guide terminal. The lower follower guide wheel can move and deflect with the lower wire guide terminal, and can rotate independently in the lower wire guide terminal. The cutting wire output from the lower wire guide water nozzle can pass around the lower follower guide wheel, and its conveying process is guided by the lower follower guide wheel. The lower follower guide wheel and the lower lower wire guide water nozzle are arranged on both sides of the rotating axis of the lower wire guide terminal. The center hole of the lower wire guide water nozzle, the rotating axis of the lower wire guide terminal 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: An upper conductive end block 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 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, 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 its conveying process is guided by the upper wire guide support wheel.
4. The medium wire cutting machine tool with a shaftless center swing taper structure according to claim 3, characterized in that: The lower adapter block is provided with a lower conductive end block installed by adjusting bolts, the cross section of the lower conductive end block is elliptical, and it is electrically connected to the power supply system through 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, and 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 located between the lower wire guide end and the upper wire guide end cuts the workpiece in the workpiece carrier; A lower wire guide support wheel 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.
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, which is mounted on the wire transport platform and can move with the wire transport platform; A longitudinal bracket, which is installed on the vertical bracket through a vertical sliding structure and cooperates with a vertical driving assembly to move with the vertical bracket, and the vertical driving assembly drives the longitudinal bracket to move vertically on the vertical bracket; A transverse bracket, which is installed on the longitudinal bracket through a longitudinal sliding structure and cooperates with a longitudinal driving assembly to move together with the longitudinal bracket, and the longitudinal driving 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, cooperates with the transverse driving assembly, and is connected to the upper supporting crossbeam, and can move together with the transverse bracket. The transverse driving assembly drives the tapered bracket to move transversely on the transverse bracket, and drives the upper supporting crossbeam 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, and the lower longitudinal slide rail is located below the upper longitudinal slide rail, is parallel to the upper longitudinal slide rail, and protrudes outside the longitudinal bracket; An upper longitudinal slide block and a lower longitudinal slide block are installed in the transverse bracket. The upper longitudinal slide block is buckled on the top of the upper longitudinal slide rail and can move along the upper longitudinal slide rail. The lower longitudinal slide block 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 lateral support includes: An upper cross frame, which is formed by enclosing a plate body and is located outside the longitudinal bracket, with its bottom end extending below the longitudinal bracket, its top end bending toward the longitudinal bracket and extending above the upper longitudinal slide rail to form an upper flange, and the upper longitudinal slide block is installed at the bottom of the upper flange; The lower cross frame is formed by enclosing a plate body, which is located outside the upper cross frame and below the longitudinal support. The bottom end of the upper cross frame is connected to the lower cross frame, and 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 frame is provided inside the upper cross frame, and the upper frame is formed by staggered joint of plates; A lower frame is arranged inside the lower cross frame, and the upper frame is formed by staggered connection 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 arranged inside the longitudinal bracket. The longitudinal frame is formed by staggered joint of plates, and the longitudinal frame is used to strengthen the structure of the longitudinal bracket; The tapered bracket is formed by enclosing a plate, and a group of tapered angle plates are arranged on the side thereof, each tapered angle plate extends vertically, and the top width thereof is smaller than the bottom width thereof; 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, the offset boss protrudes toward the outside of the longitudinal bracket, and the lower longitudinal slide rail is installed on the offset boss.
Citation Information
Patent Citations
Precision numerical control medium-speed wire cut electrical discharge machining
CN111843079A