Medium-speed wire cutting machine tool main body with independent guide shaft structure

Abstract

The utility model provides a medium-speed wire cutting machine tool main body with an independent guide shaft structure, which comprises a transverse bearing seat body, a transverse guide rail rod, a longitudinal bearing seat body, a longitudinal guide rail rod, a vertical bearing seat body and a vertical guide rail rod. The vertical bearing seat body and the vertical bearing seat body are combined to form the bearing base, flexible combination and placement can be conveniently conducted according to production requirements, the transverse guide rail rods arranged on the transverse bearing seat body can guide the moving process of the vertical bearing seat body, and the longitudinal guide rail rods arranged on the longitudinal bearing seat body can guide the moving process of the workpiece seat frame. The vertical guide moving rail rod arranged on the vertical stand can guide the moving process of the wire conveying seat frame, errors formed in the moving process of the vertical bearing seat body and the workpiece seat frame can be prevented from being overlapped in the vertical direction, the gravity center of the workpiece seat frame can be lowered, stable operation of the whole wire cutting machine is guaranteed, and then the cutting precision is improved.

Description

Technical Field

[0001] The utility model relates to wire electrical discharge machining equipment, in particular to a main body of a middle-walking wire cutting machine tool with an independent guide shaft structure. Background Art

[0002] Patent document CN214769507U discloses a middle-walking wire cutting large swing machine tool, which includes a taper device, a connecting rod device, a wire tightening device, a wire transporting device, a machine tool main body device and a column. The machine tool main body device includes a bed, a middle carriage, an upper carriage and a workpiece holder. The bed is located at the bottom end of the machine tool main body device. The bed, the middle carriage, the upper carriage and the workpiece holder are connected in sequence. The inner cavity of the bed is a cross-grid hollow structure. The middle carriage is designed as a hole-bridge type, making the machine tool more stable and reducing the variable quantity during loading. However, the main body of this machine tool adopts a sequential sliding connection of the bed, the middle carriage, the upper carriage and the workpiece holder, and is driven by a ball screw. In a large cutting machine tool, the errors formed by the middle carriage and the upper carriage during the movement are superimposed vertically, and the center of gravity is unstable, affecting the accuracy of the cutting process. Therefore, it is necessary to optimize the structure of this machine tool main body to overcome the above defects. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a main body of a middle-walking wire cutting machine tool with an independent guide shaft structure.

[0004] The technical solution adopted by the utility model to solve its technical problems is as follows:

[0005] A main body of a middle-walking wire cutting machine tool with an independent guide shaft structure, which includes:

[0006] A transverse bearing seat body, which is arranged transversely and has a bearing space inside;

[0007] A pair of transverse guiding rail rods, each of which is installed on the transverse bearing seat body, extends transversely and is parallel to each other;

[0008] A longitudinal bearing seat body, which is arranged longitudinally and has a bearing space inside. The transverse bearing seat body is joined to the longitudinal bearing seat body through a detachable connection structure;

[0009] A pair of longitudinal guiding rail rods, each of which is installed on the longitudinal bearing seat body, extends longitudinally and is parallel to each other;

[0010] A vertical bearing seat body, which is installed on the transverse guiding rail rod through a slider and can move along the transverse guiding rail rod;

[0011] A pair of vertical guide rails are provided, each of which is installed on a vertical bearing seat body and can move with the vertical bearing seat body. The vertical guide rails extend vertically and are parallel to each other.

[0012] Specifically, the transverse bearing seat body is formed in one piece by casting, and a transition end plate is provided at the inner end thereof. The transition end plate extends vertically, and the top of the transition end plate is bent toward the longitudinal bearing seat body to form a limiting flange.

[0013] The longitudinal bearing seat body is formed as an integral part of a casting, and a transfer end is provided at its inner end. The transfer end protrudes toward the outside of the longitudinal bearing seat body and abuts against the outer wall of the transfer end plate. The limiting flange is placed on the top of the transfer end head. The transfer end plate and the transfer end head, as well as the limiting flange and the transfer end head, are connected to each other by connecting bolts.

[0014] The vertical bearing seat comprises:

[0015] A vertical base, which is formed in one piece by casting, and whose bottom is mounted on a transverse guide rail through a slider, and can move along the transverse guide rail;

[0016] The vertical frame is formed in one piece by casting, and its bottom is installed on the top of the vertical base by connecting bolts. Its top extends above the vertical base and can move with the vertical base. The vertical guide rail is installed on the side of the vertical frame.

[0017] A workpiece seat is provided on the longitudinal guide rail rod. The bottom of the workpiece seat is installed on the longitudinal guide rail rod through a slider and can move along the longitudinal guide rail rod. The interior of the workpiece seat has an accommodating space for placing the workpiece to be processed.

[0018] A wire transport seat frame is provided on the vertical guide rail rod. The wire transport seat frame is installed on the vertical guide rail rod through a slider and can move along the vertical guide rail rod. A wire transport mechanism installation space is provided inside the wire transport seat frame.

[0019] A transverse driving screw is arranged on the transverse bearing seat through a rotating structure. The transverse driving screw is parallel to the transverse guide rail rod, is connected to the transverse driving motor, and cooperates with the vertical bearing seat through a transmission nut. The vertical bearing seat is driven by the transverse driving screw to move along the transverse guide rail rod.

[0020] A longitudinal driving screw is arranged on the longitudinal bearing seat through a rotating structure. The longitudinal driving screw is parallel to the longitudinal guide rail rod, is connected to the longitudinal driving motor, and cooperates with the workpiece seat frame through a transmission nut. The longitudinal driving screw drives the workpiece seat frame to move along the longitudinal guide rail rod.

[0021] A vertical driving lead screw is arranged on the vertical stand through a rotating structure. The vertical driving lead screw is parallel to the vertical guiding rail rod, is connected to a vertical driving motor, and cooperates with a wire transporting seat frame through a transmission nut. The wire transporting seat frame is driven by the vertical driving lead screw to move along the vertical guiding rail rod.

[0022] The advantages of the present utility model are as follows:

[0023] The main body of the machine tool combines a horizontal bearing seat body and a longitudinal bearing seat body through a detachable connection structure to form a bearing base, which is convenient for flexible combination and placement according to production requirements. The horizontal guiding rail rod arranged on the horizontal bearing seat body can guide the movement process of the vertical bearing seat body, the longitudinal guiding rail rod arranged on the longitudinal bearing seat body can guide the movement process of the workpiece seat frame, and the vertical guiding rail rod arranged on the vertical stand can guide the movement process of the wire transporting seat frame. The horizontal guiding rail rod and the longitudinal guiding rail rod are in the same plane, which can avoid the vertical superposition of errors formed during the movement of the vertical bearing seat body and the workpiece seat frame, is beneficial to reducing the center of gravity of the workpiece seat frame, ensuring the stable operation of the entire wire cutting machine, and further improving the cutting accuracy. Description of the Drawings

[0024] Figure 1 is a front structural schematic diagram of the main body of the medium-speed wire cutting machine with an independent guide shaft structure proposed by the present utility model;

[0025] Figure 2 is a left structural schematic diagram of the main body of the machine tool;

[0026] Figure 3 is a right structural schematic diagram of the main body of the machine tool. Detailed Embodiments

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but merely represents selected embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] Such as Figures 1 to 3As shown in the figure, the main body of the middle wire cutting machine tool with an independent guide shaft structure proposed by the present utility model includes a horizontal bearing seat 100, a horizontal guide rail rod 200, a vertical bearing seat 300, a vertical guide rail rod 400, a vertical bearing seat 500 and a vertical guide rail rod 600. The horizontal bearing seat is arranged horizontally, and has a bearing space inside. There are a pair of horizontal guide rail rods, and each horizontal guide rail rod is respectively installed on the horizontal bearing seat, extends horizontally, and is parallel to each other. The vertical bearing seat is arranged vertically, and has a bearing space inside. The horizontal bearing seat is joined to the vertical bearing seat through a detachable connection structure. There are a pair of vertical guide rail rods, and each vertical guide rail rod is respectively installed on the vertical bearing seat, extends vertically, and is parallel to each other. The vertical bearing seat is installed on the horizontal guide rail rod through a slider and can move along the horizontal guide rail rod. There are a pair of vertical guide rail rods, and each vertical guide rail rod is respectively installed on the vertical bearing seat and can move together with the vertical bearing seat. It extends vertically and is parallel to each other.

[0029] In this embodiment, the horizontal bearing seat is integrally formed by casting. A transfer end plate 110 is provided at its inner end. The transfer end plate extends vertically, and its top is bent towards the vertical bearing seat to form a limiting flange 120.

[0030] The vertical bearing seat is integrally formed by casting. A transfer end head 310 is provided at its inner end. The transfer end head protrudes towards the outside of the vertical bearing seat and abuts against the outer wall of the transfer end plate. The limiting flange is placed on the top of the transfer end head. The transfer end plate and the transfer end head, and the limiting flange and the transfer end head are respectively connected to each other through connecting bolts.

[0031] The vertical bearing seat includes a vertical base 510 and a vertical stand 520. The vertical base is integrally formed by casting. Its bottom is installed on the horizontal guide rail rod through a slider and can move along the horizontal guide rail rod. The vertical stand is integrally formed by casting. Its bottom is installed on the top of the vertical base through a connecting bolt. Its top extends above the vertical base and can move together with the vertical base. The vertical guide rail rod is installed on the side of the vertical stand.

[0032] A workpiece holder 700 is provided on the vertical guide rail rod. The bottom of the workpiece holder is installed on the vertical guide rail rod through a slider and can move along the vertical guide rail rod. It has an accommodation space inside for placing the workpiece to be processed.

[0033] A wire transporting holder 800 is provided on the vertical guide rail rod. The wire transporting holder is installed on the vertical guide rail rod through a slider and can move along the vertical guide rail rod. It has a wire transporting mechanism installation space inside.

[0034] A transverse driving lead screw 130 is arranged on the transverse bearing seat body through a rotating structure. The transverse driving lead screw is parallel to the transverse guiding rail rod, is connected to a transverse driving motor, and is matched with the vertical bearing seat body through a transmission nut. The vertical bearing seat body is driven by the transverse driving lead screw to move along the transverse guiding rail rod.

[0035] A longitudinal driving lead screw 320 is arranged on the longitudinal bearing seat body through a rotating structure. The longitudinal driving lead screw is parallel to the longitudinal guiding rail rod, is connected to a longitudinal driving motor, and is matched with the workpiece seat frame through a transmission nut. The workpiece seat frame is driven by the longitudinal driving lead screw to move along the longitudinal guiding rail rod.

[0036] A vertical driving lead screw 521 is arranged on the vertical stand through a rotating structure. The vertical driving lead screw is parallel to the vertical guiding rail rod, is connected to a vertical driving motor, and is matched with the wire transporting seat frame through a transmission nut. The wire transporting seat frame is driven by the vertical driving lead screw to move along the vertical guiding rail rod.

[0037] In the description of the present utility model, it should be noted that when terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", "left", "right", etc. appear, it should be understood as the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present utility model is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 a limitation to the present utility model. In addition, when terms such as "first", "second", etc. appear, they are only used for distinguishing descriptions 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", "connection", etc. 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, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

Claims

1. A medium-speed wire cutting machine tool body with an independent guide shaft structure, characterized in that: include: A transverse bearing seat body, which is arranged in the transverse direction and has a bearing space inside; A pair of transverse guide rails are provided, each of which is mounted on a transverse bearing seat, extends in the transverse direction and is parallel to each other; A longitudinal bearing seat body is arranged in the longitudinal direction and has a bearing space inside, and a transverse bearing seat body is connected to the longitudinal bearing seat body through a detachable connection structure; A pair of longitudinal guide rails are provided, each of which is mounted on a longitudinal bearing seat, extends longitudinally and is parallel to each other; A vertical bearing seat body, which is mounted on the transverse guide rail rod through a slider and can move along the transverse guide rail rod; A pair of vertical guide rails are provided, each of which is installed on a vertical bearing seat body and can move with the vertical bearing seat body. The vertical guide rails extend vertically and are parallel to each other.

2. The medium-speed wire cutting machine tool body with an independent guide shaft structure according to claim 1 is characterized in that: The transverse bearing seat body is formed in one piece by casting, and a transfer end plate is provided at the inner end thereof. The transfer end plate extends vertically, and the top of the transfer end plate is bent toward the longitudinal bearing seat body to form a limiting flange.

3. The medium-speed wire cutting machine tool body with an independent guide shaft structure according to claim 2 is characterized in that: The longitudinal bearing seat body is formed as an integral part of a casting, and a transfer end is provided at its inner end. The transfer end protrudes toward the outside of the longitudinal bearing seat body and abuts against the outer wall of the transfer end plate. The limiting flange is placed on the top of the transfer end head. The transfer end plate and the transfer end head, as well as the limiting flange and the transfer end head, are connected to each other by connecting bolts.

4. The medium-speed wire cutting machine tool body with an independent guide shaft structure according to claim 1, characterized in that: The vertical bearing seat comprises: A vertical base, which is formed in one piece by casting, and whose bottom is mounted on a transverse guide rail through a slider, and can move along the transverse guide rail; The vertical frame is formed in one piece by casting, and its bottom is installed on the top of the vertical base by connecting bolts. Its top extends above the vertical base and can move with the vertical base. The vertical guide rail is installed on the side of the vertical frame.

5. The medium-speed wire cutting machine tool body with an independent guide shaft structure according to claim 1, characterized in that: A workpiece seat is provided on the longitudinal guide rail rod. The bottom of the workpiece seat is installed on the longitudinal guide rail rod through a slider and can move along the longitudinal guide rail rod. The interior of the workpiece seat has an accommodating space for placing the workpiece to be processed.

6. The medium-speed wire cutting machine tool body with an independent guide shaft structure according to claim 1 or 4, characterized in that: A wire transport seat frame is provided on the vertical guide rail rod. The wire transport seat frame is installed on the vertical guide rail rod through a slider and can move along the vertical guide rail rod. A wire transport mechanism installation space is provided inside the wire transport seat frame.

7. The medium-speed wire cutting machine tool body with an independent guide shaft structure according to claim 1, characterized in that: A transverse driving screw is arranged on the transverse bearing seat through a rotating structure. The transverse driving screw is parallel to the transverse guide rail rod, is connected to the transverse driving motor, and cooperates with the vertical bearing seat through a transmission nut. The vertical bearing seat is driven by the transverse driving screw to move along the transverse guide rail rod.

8. The medium-speed wire cutting machine tool body with an independent guide shaft structure according to claim 5, characterized in that: A longitudinal driving screw is arranged on the longitudinal bearing seat through a rotating structure. The longitudinal driving screw is parallel to the longitudinal guide rail rod, is connected to the longitudinal driving motor, and cooperates with the workpiece seat frame through a transmission nut. The longitudinal driving screw drives the workpiece seat frame to move along the longitudinal guide rail rod.

9. The medium-speed wire cutting machine tool body with an independent guide shaft structure according to claim 6, characterized in that: A vertical drive screw is arranged on the vertical frame through a rotating structure. The vertical drive screw is parallel to the vertical guide rail, connected to the vertical drive motor, and cooperates with the wire transport frame through a transmission nut. The wire transport frame is driven by the vertical drive screw to move along the vertical guide rail.

Images