Gantry type linear cutting machine tool

Abstract

The utility model discloses a gantry type linear cutting machine tool which comprises a machine tool body and a portal frame, a workbench is arranged on the machine tool body, an upper cross beam and a lower cross beam are arranged on the portal frame in the vertical direction, the upper cross beam and the lower cross beam are each provided with an inner bin, an upper wire cylinder is installed in the inner bin of the upper cross beam, and a lower wire cylinder is installed in the inner bin of the lower cross beam. The upper wire cylinder and the lower wire cylinder are used for pulling a molybdenum wire, bin openings of the two inner bins face the same direction, the workbench is provided with a clamping assembly, the linear cutting machine tool adopts a gantry type layout, the bin openings of the two inner bins face the same direction, working operation is greatly facilitated, and no matter molybdenum wire replacement, wire threading or fault removal operation is carried out, the machining efficiency is greatly improved, and the machining cost is reduced. In addition, due to the fact that the upper wire cylinder and the lower wire cylinder are in the up-and-down relation, a lot of winding is omitted, operation is easier, and working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wire cutting technical field, concretely to a gantry type wire cutting machine tool. BACKGROUND

[0002] The electric spark wire cutting machine tool is a kind of machine tool that is cut by electric spark principle, and its working principle is that by digital control, current passes through molybdenum wire and the metal workpiece to be processed to produce short circuit and electric spark, and the metal workpiece to be processed is melted locally due to the material of molybdenum wire can withstand extremely high temperature, and cutting phenomenon is generated, and the metal workpiece is cut into different shapes under digital control.

[0003] At present, most of the numerical control electric spark wire cutting machine tools on the market are single wire barrel, and the wire barrel is supported by a single column, and the molybdenum wire is wound on the wire barrel, and the molybdenum wire on the wire barrel is transmitted to the front of the workbench through various guide rollers, so that the suspension of the molybdenum wire is necessarily long, and since the distance from the wire barrel to the workbench is far, the electric loss of the molybdenum wire is large, the use cost is high, and the molybdenum wire will inevitably shake under the help of the rotation of the guide rollers, the more the guide rollers, the more the jumping points of the molybdenum wire when rotating, so that the tension of the molybdenum wire fluctuates greatly, which easily leads to unstable precision of the cutting workpiece, and since the wire barrel is far away from the workbench and is located at the rear of the column, it brings great inconvenience to the operation. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a gantry type wire cutting machine tool to solve the problems in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a gantry type wire cutting machine tool, comprising: a bed body and a gantry, the bed body is provided with a workbench, the gantry is arranged with an upper cross beam and a lower cross beam in the vertical direction, the upper cross beam and the lower cross beam are both provided with an inner bin, the upper cross beam is provided with an upper wire barrel in the inner bin, the lower cross beam is provided with a lower wire barrel in the inner bin, the upper wire barrel and the lower wire barrel are used to pull a molybdenum wire, the bin mouths of the two inner bins face the same direction, the workbench is provided with a clamping assembly, the workbench drives the clamping assembly to move, and the clamping assembly is located between the upper cross beam and the lower cross beam.

[0006] As a preferred, the inner bin of the upper cross beam is provided with an upper lead screw mechanism, and the upper wire barrel is installed on the output end of the upper lead screw mechanism.

[0007] As a preferred, the inner bin of the lower cross beam is provided with a lower lead screw mechanism, and the lower wire barrel is installed on the output end of the lower lead screw mechanism.

[0008] As a preferred, the upper cross beam is provided with an upper wire guide roller at the side end, and the lower cross beam is provided with a lower wire guide roller at the side end.

[0009] Preferably, the worktable includes an X-axis lead screw mechanism, a Y-axis lead screw mechanism, and a lifting mechanism. The X-axis lead screw mechanism is mounted on the bed, the Y-axis lead screw mechanism is mounted on the output end of the X-axis lead screw mechanism, and the lifting mechanism is mounted on the output end of the Y-axis lead screw mechanism. The length direction of the lifting mechanism is perpendicular to the length direction of the lower crossbeam.

[0010] Preferably, the lifting mechanism has symmetrical support members on both the front and rear sides of the lifting end, the lower crossbeam is located between the two support members, and the upper end of the support members is provided with a guide rail.

[0011] Preferably, the clamping assembly includes two symmetrically arranged clamping blocks that are slidably mounted between two guide rails.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] (1) The wire cutting machine adopts a gantry layout and the openings of the two inner chambers face the same direction, which greatly facilitates the operation. Whether it is changing molybdenum wire, threading wire or troubleshooting, it can be done with one hand. Furthermore, since the upper and lower wire spools are in an up-down relationship, many winding processes are omitted, making the operation easier and improving work efficiency.

[0014] (2) The wire EDM machine tool, by setting up an upper wire spool and a lower wire spool, can rotate the upper and lower molybdenum wire spools under digital control, eliminating the tension wheel mechanism, shortening the idle length of the molybdenum wire, reducing the electrical loss of the molybdenum wire, saving the cost of use, reducing the number of guide wheels that the molybdenum wire needs to pass through, making the tension fluctuation of the molybdenum wire smaller, ensuring the stability of the molybdenum wire tension, and improving the processing accuracy. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the upper screw and upper lead screw mechanism in this utility model;

[0017] Figure 3 This is a schematic diagram of the lower screw cylinder and lower lead screw mechanism in this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the bed and worktable in this utility model;

[0019] In the diagram: 1. Bed, 2. Gantry frame, 3. Upper crossbeam, 31. Upper screw drum, 32. Upper screw mechanism, 33. Upper wire guide roller, 4. Lower crossbeam, 41. Lower screw drum, 42. Lower screw mechanism, 43. Lower wire guide roller, 5. Inner compartment, 6. Worktable, 61. X-axis screw mechanism, 62. Y-axis screw mechanism, 63. Lifting mechanism, 64. Support component, 65. Guide rail, 7. Clamping block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of gantry type wire cutting machine technical scheme: a kind of gantry type wire cutting machine, it include: bed 1 and portal frame 2, bed 1 is provided with workbench 6, portal frame 2 is arranged with upper beam 3 and lower beam 4 along vertical direction, upper beam 3 and lower beam 4 are all opened with inner warehouse 5, the inner warehouse 5 of upper beam 3 is installed with upper silk cylinder 31, the inner warehouse 5 of lower beam 4 is installed with lower silk cylinder 41, upper silk cylinder 31 and lower silk cylinder 41 are used to pull a molybdenum wire, the warehouse mouth of two inner warehouses 5 is towards the same direction, workbench 6 is provided with clamping assembly, workbench 6 drives clamping assembly to move, clamping assembly is located between upper beam 3 and lower beam 4;

[0022] Adopt gantry type layout, and the warehouse mouth of two inner warehouses 5 is towards the same direction, greatly facilitate work operation, whether it is to replace molybdenum wire, threading or troubleshooting operation, can be in place with one hand, and because upper silk cylinder 31 and lower silk cylinder 41 are upper and lower relationship, therefore omit many transmission, operation is more easy, improve work efficiency, save the tensioning wheel mechanism, shorten the length of molybdenum wire, reduce molybdenum wire electric loss, save use cost, reduce the guide pulley that molybdenum wire needs to pass through, make the tension fluctuation of molybdenum wire smaller, guarantee molybdenum wire tension stability, improve processing precision.

[0023] In the embodiment, the inner warehouse 5 of upper beam 3 is provided with upper lead screw mechanism 32, the upper silk cylinder 31 is installed on the output end of upper lead screw mechanism 32, the upper lead screw mechanism 32 drives the upper silk cylinder 31 to move, the inner warehouse 5 of lower beam 4 is provided with lower lead screw mechanism 42, the lower silk cylinder 41 is installed on the output end of lower lead screw mechanism 42, the lower lead screw mechanism 42 drives the lower silk cylinder 41 to move, the side end of upper beam 3 is installed with upper wire guide pulley 33, the side end of lower beam 4 is installed with lower wire guide pulley 43, and the molybdenum wire passes through the upper guide pulley and the lower guide pulley.

[0024] In the embodiment, the workbench 6 comprises an X-axis screw mechanism 61, a Y-axis screw mechanism 62 and a lifting mechanism 63, the X-axis screw mechanism 61 is arranged on the lathe bed 1, the Y-axis screw mechanism 62 is mounted on the output end of the X-axis screw mechanism 61, the X-axis screw mechanism 61 drives the Y-axis screw mechanism 62 to move, the lifting mechanism 63 is mounted on the output end of the Y-axis screw mechanism 62, the Y-axis screw mechanism 62 drives the lifting mechanism 63 to move, and the length direction of the lifting mechanism 63 is perpendicular to the length direction of the lower cross beam 4.

[0025] In the embodiment, the lifting mechanism 63 is symmetrically provided with supporting pieces 64 on the front and back sides of the lifting end, the lower cross beam 4 is located between the two supporting pieces 64, the upper end of the supporting piece 64 is provided with a guide rail 65, the clamping assembly comprises two symmetrically arranged clamping blocks 7, the clamping block 7 is slidably mounted between the two guide rails 65, during machining, the workpiece is fixed between the clamping blocks 7, the workbench 6 drives the workpiece to move, and the molybdenum wire cuts and machines the workpiece.

[0026] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gantry wire-cut machine tool comprising: The bed body (1) and the gantry (2), the bed body (1) is provided with a workbench (6), characterized in that the gantry (2) is arranged in the vertical direction and provided with an upper cross beam (3) and a lower cross beam (4), the upper cross beam (3) and the lower cross beam (4) are both provided with an inner bin (5), the upper cross beam (3) is provided with an upper silk cylinder (31) in the inner bin (5), the lower cross beam (4) is provided with a lower silk cylinder (42) in the inner bin (5), the upper silk cylinder (31) and the lower silk cylinder (42) are used for pulling a molybdenum wire, and the bin openings of the two inner bins (5) face the same direction. The workbench (6) is provided with a clamping assembly, the workbench (6) drives the clamping assembly to move, and the clamping assembly is located between the upper cross beam (3) and the lower cross beam (4).

2. A gantry wire-cut machine according to claim 1, characterized in that The inner bin (5) of the upper cross beam (3) is provided with an upper lead screw mechanism (32), and the upper silk cylinder (31) is installed on the output end of the upper lead screw mechanism (32).

3. A gantry wire-cut machine according to claim 2, characterized in that The inner bin (5) of the lower cross beam (4) is provided with a lower lead screw mechanism (41), and the lower silk cylinder (42) is installed on the output end of the lower lead screw mechanism (41).

4. A gantry wire-cut machine according to claim 3, characterised in that, The side end of the upper cross beam (3) is provided with an upper wire guide roller (33), and the side end of the lower cross beam (4) is provided with a lower wire guide roller (43).

5. The gantry wire-cut machine tool according to claim 1, characterized in that, The workbench (6) comprises an X-axis lead screw mechanism (61), a Y-axis lead screw mechanism (62) and a lifting mechanism (63), the X-axis lead screw mechanism (61) is arranged on the bed body (1), the Y-axis lead screw mechanism (62) is installed on the output end of the X-axis lead screw mechanism (61), the lifting mechanism (63) is installed on the output end of the Y-axis lead screw mechanism (62), and the length direction of the lifting mechanism (63) is perpendicular to the length direction of the lower cross beam (4).

6. A gantry wire-cut machine according to claim 5, characterised in that, The lifting mechanism (63) is provided with a support (64) on the front and rear sides of the lifting end, the lower cross beam (4) is located between the two supports (64), and the upper end of the support (64) is provided with a guide rail (65).

7. A gantry wire-cut machine according to claim 6, characterised in that, The clamping assembly comprises two symmetrically arranged clamping blocks (7), and the clamping blocks (7) are slidably installed between the two guide rails (65).

Images