TW201701988A - Dual-head multipurpose machine tool having stable structure and enhancing machine precision, prolonging service life of the machine, and effectively enhancing machining efficiency - Google Patents

Abstract

This invention relates to a dual-head multipurpose machine tool, comprising a base, a crossbeam, the first cutting head sliding seat, and the second cutting head sliding seat. The crossbeam is fixedly disposed on the base and respectively disposed to two opposite side surfaces with a linear guide, where the first cutting head sliding seat is disposed on the linear guide of one side of the crossbeam and the second cutting head sliding seat is disposed on the linear guide of the other side of the crossbeam. The efficacy proposed by this invention is that under the condition not needing moving the mold or the work-piece and not requiring changing the machine, secondary different machining procedure can be performed to the mold or the work-piece, and preferably, the mold or the work-piece can be machined completely from coarse machining to fine machining at one time, which is particularly suitable for manufacturing precision mold.

Description

Double head multi-purpose machine

The invention relates to the technical field of mechanical equipment, in particular to a double-head multi-purpose machine tool.

Conventional cutting machine tools for cutting, grinding or special machining methods for further machining of various metal workpieces to achieve the required geometry, dimensional accuracy and surface quality; as shown in Figures 1 and 2 As shown, it comprises a base 1, a beam 2 fixed on the base 1, a carriage 8 mounted on the beam 2, and a cutting head 3 mounted on the carriage 8, the cutting The head 3 is provided with a spindle 4 for mounting a cutter such as a milling cutter, and the base 1 of the spindle 4 is provided with a movable table 5; wherein the slider 8 is movably mounted on the side of the beam 2 a first line rail 6 and a second line rail 7 are connected to a transmission screw (not shown), and the transmission screw can be driven by an external servo motor; wherein the carriage 8 passes through the transmission screw The transmission is displaced on the combined track formed by the first line rail 6 and the second line rail 7.

The above-mentioned machine tool is easy to assemble, and can also meet the metal device with relatively simple processing requirements; however, since the cutting head 3 and the sliding seat 8 are relatively heavy, and the machining process also has a large size. The torque and other factors, at this time, must be supported by the two rails 6, 7 at the same time, wherein the displacement of the slide 8 is more subject to partial downward pressure, backward pressure and heavy cutting In the past, the torque generated by the main shaft 4, etc., will gradually cause fatigue damage to the components such as the second rails 6, 7 and the cross member 2, thereby indirectly affecting the rigidity, accuracy, and service life of the machine. .

In addition, in the process of precision mold workpieces, the conventional cutting machine tool has only a single-section cutting mode, in short, after the rough machining process is performed on the heavy-duty roughing machine with low rotation speed and high torque. The fine processing process is continued to be converted to a high-speed, low-torque fine processing machine. In this way, the workpiece must be loaded and loaded at least twice, and the workpiece must be repeatedly disassembled and calibrated. If the cumbersome process increases the number of work processes and their working hours, it is necessary to prepare at least two different machine tools and equipment, which indirectly increases the investment cost of the equipment, resulting in a high unit price of the workpieces, which is not conducive to market competition. .

In view of the foregoing shortcomings, the object of the present invention is to overcome and improve the deficiencies of the prior art, and to provide a dual-head multi-purpose machine tool with stable structure, improved machine accuracy, extended machine life and effective processing efficiency, especially Suitable for the production of large precision mold parts.

In order to achieve the above object, a dual-head multi-purpose machine tool according to the present invention includes a base, a beam disposed on the base, a first cutting head slider, and a second cutting head slider. a work bench; wherein the two corresponding side wall faces of the beam are respectively provided with a set of line rails, and the first cutting head slide seat is disposed on a line rail, and the second cutting head slide seat is set on another On the first line rail; wherein the first and second cutting head slides are respectively provided with a first cutting machine working head and a second cutting machine working head, and the cutting machine working heads are respectively set There is a spindle for mounting a cutter such as a milling cutter, the table being adjacent to the base below the spindles.

Wherein, a groove is recessed from a direction corresponding to the side wall of the beam facing the body, and the groove is provided with a driving screw, and the driving screw is separately connected to the second cutting head sliding seat And it is driven by a servo motor.

Wherein, the first cutting head slider is disposed at a position of a sidewall of the beam higher than or equal to the second cutting head slider, and is disposed at an upper portion of the beam.

Wherein, the top end of the beam is provided with at least one load-bearing wire rail assembly, the load-bearing wire rail assembly comprises a first load-bearing wire rail and a second load-bearing wire rail, and the first cutting head slider is provided with a load-bearing block At least one load-bearing slider is fixed under the load-bearing block. When the first cutting head slider is mounted on the beam, the load-bearing slider is disposed on any load-bearing line rail of the load-bearing line rail assembly. And can be slipped.

Wherein one side of the beam is provided with a torsion bar, and the side wall of the first cutting head slider has at least one anti-torsion slider and is disposed on the torsion bar.

Wherein, between the first and second load-bearing line rails of the load-bearing line rail assembly, a groove is recessed from the top end surface of the beam toward the body direction, and the transmission groove is provided with a transmission screw It is connected to the first cutting head slider and is driven by a servo motor.

In summary, the effect of the invention is that the structure is stable, the first cutting head working head is a heavy cutting head with low rotation speed and high torque output, and bears heavy cutting work, and the first cutting head sliding seat The gravitational force generated by gravity and operation is carried by the load-bearing line rail disposed on the beam, and the cutting torque generated by the first cutting head slider in the heavy cutting is by the torsion-resistant rail mounted on the side wall of the beam. The second cutting machine working head is a high-speed, low-torque output fine cutting head, which is responsible for the fine processing of the mold or the surface of the workpiece, so that the workpieces need to be at least twice again. It is not necessary to carry out the cumbersome process such as repeated disassembly and assembly and correction of workpieces. Therefore, in addition to greatly reducing the processing steps and man-hours, and improving the precision of the mold or workpiece, it is more indirect. Low investment cost of additional equipment, thereby improving the market competition efficiency of the single workpiece, thereby achieving the expected efficacy and purpose of the present invention.

The structural characteristics of the dual-head multi-purpose machine tool proposed in the present invention and the effects thereof to be achieved will be described in detail in the following embodiments, and will not be described again.

The structure of the present invention and its characteristic functions will be described in detail below by way of the embodiments and the accompanying drawings. First, in the embodiments and drawings, the same reference numerals are used to indicate the same or similar Elements, components, objects, structures or devices are described first.

Please refer to Figures 3 to 6 together, which is a dual-head multi-purpose machine tool 100 according to a first preferred embodiment of the present invention, which comprises:

a base 1, a beam 2, a table 5, a first cutting head slider 39, a second cutting head slider 40, and a first cutting machine working head 32 for performing a roughing process, And a second cutting machine working head 33 for performing a fine machining process, and a spindle 4A, 4B for mounting a cutter or the like is separately provided on the two working cutting machine heads 32, 33, wherein The table 1 adjacent to the main shafts 4A, 4B is provided with the table 5 operable to operate.

The cross member 2 is a gantry mechanism, and the two ends of the cross member are fixed on the base 1. The top surface of the cross member 2 is provided with a load-bearing wire rail assembly 30, and the load-bearing wire rail assembly 30 includes a first a load-bearing wire rail 36 and a second load-bearing wire rail 37; wherein one side of the beam 2 is provided with a torsion-resistant wire rail 38, and the side wall of the first cutting head slider 39 has at least one anti-twist slider 391 And disposed on the torsion bar 38; wherein a top surface of the beam 2 is recessed between the first and second load-bearing rails 36, 37, and a groove 34 is disposed on the groove 34. The screw 341 is connected to the first cutting head slide 39 and driven by a servo motor 34A to indirectly drive the first cutting head slide 39 to operate, thereby improving its operation. Accuracy and increased stability.

The first cutting head slider 39 is provided with a bearing block 31. The bearing block 31 is protruded from the first cutting head sliding seat 39. The bearing block 31 is further provided with a fixing member for increasing the fixing strength. The reinforcing plate 35 is fixed with at least one load-bearing slider 9 under the load-bearing block 31. When the first cutting head slider 39 is mounted on the beam 2, the load-bearing slider 9 is disposed on the load-bearing wire rail. The load bearing rails 36, 37 of the assembly 30 are slidably slidable; and in the first preferred embodiment of the present invention, at least four load-bearing members are fixed under the load-bearing block 31 of the first cutting head slider 39. The slider 9 is disposed on the load-bearing wire rail assembly 30 and is slidably slidable when the first cutting head slider 39 is disposed on the beam 2.

The other side of the torsion bar 38 of the beam 2 is provided with a line assembly 20, the line assembly 20 includes two adjacent lines 21, 22, and the second cutting head slide 40 The two-wire rails 21, 22 are disposed on the two-wire rails 21, 22; a recess 24 is defined between the two-wire rails 21, 22, and a transmission screw 241 is disposed on the recess 24, and the transmission screw 241 is connected to The second cutting head slider 40 can be driven by a servo motor 24A to indirectly drive the second cutting head slider 40 to operate.

In view of the foregoing, the dual-head multi-purpose machine tool 100 of the first preferred embodiment of the present invention has a significantly expected effect compared to the structural characteristics of the prior art, and is also considered in conjunction with Figures 5 and 6. The first and second cutting head sliders 39, 40 are respectively driven by the servo motors 34A, 24A, and the first cutting head slider 39 cooperates with the first and second load-bearing lines. The rails 36, 37 and the rails 21, 22 are slid, and the second cutting head slider 40 cooperates with the rails 21, 22 to slide in a first axial direction (X-axis). The table 5 is driven by the servo motor to be displaced in a second axial direction (Y-axis), and the cutting machine working heads respectively disposed on the first and second cutting head slides 39 and 40 32, 33 is also driven by the servo motor to exhibit a third axial (Z-axis) displacement motion.

In summary, the structural characteristics and the functions of the dual-head multi-purpose machine tool 100 according to the first preferred embodiment of the present invention are applicable to a cutting machine tool, wherein the first and second cutting machine working heads 32, 33 It can be a cutting head; in addition, it can also be used as a heavy-duty machine tool for other functional purposes; wherein the first cutting machine working head 32 and the first cutting head slide 39 are operated to generate a gravity system By the load-bearing line rails 36, 37 disposed on the beam 2, the cutting torque generated by the first cutting machine working head 32 during heavy cutting is supported by the torsion-resistant rails mounted on the side wall of the beam 2. 38, in order to alleviate the fatigue damage caused by the force of the cutting machine working head and the first and second sliding seats 39, 40 and the like in the direction of the beam 2 and the like, thereby indirectly reaching The expected effect of the rigidity, accuracy and service life of the lifting machine mentioned in the present invention.

Preferably, please refer to Figures 3 and 4 together, if the dual-head multi-purpose machine tool 100 of the present invention is applied to a processing process and a process, the first and second The cutting machine working heads 32, 33 are matched with any of the first and second cutting head slides 39, 40 to further cooperate with the machining program, and one action is taken. At this time, the other working machine head is suspended. Actuated and on standby; in short, after the roughing process of low-speed, high-torque heavy-duty cutting of a single workpiece with a cutting machine working head on the same processing machine, the workbench 5 will be from the original The first position displacement is actuated to the second position, and then another cutting machine working head performs a high-speed low-torque fine machining process, so that the workpieces need to be clamped at least twice separately. It is not necessary to carry out the cumbersome process such as repeated disassembly and assembly and correction of the workpiece. Therefore, in addition to greatly reducing the number of processing steps and working hours, it is possible to indirectly invest the cost of low additional equipment, thereby improving the workpiece of the single product. Market competition Benefits, thereby to achieve the desired effect and purpose of the present invention mentioned.

The above is to explain the structural characteristics and the desired effects and objectives of the first preferred embodiment of the present invention. Hereinafter, the structural characteristics and the desired features of the second preferred embodiment of the present invention will be described. The efficacy and purpose.

Please refer to FIG. 7 to FIG. 11 again, which is a dual-head multi-purpose machine tool 200 according to a second preferred embodiment of the present invention, which is mainly related to the foregoing embodiment, and the difference is the same. It is:

The two opposite beam side surfaces of the beam 2 are respectively provided with a line rail assembly 20, and the line rail assembly 20 includes two adjacent line rails 21, 22, and the first and second cutting head sliders 39 One side of the beam 40 corresponds to any of the line rail assemblies 20 and is mounted thereon; and in the second preferred embodiment of the present invention, the two corresponding side wall surfaces of the beam 2 are respectively provided with two adjacent lines. The rails 21, 22, and one side of the first and second cutting head sliders 39, 40 correspond to the two-wire rails 21, 22 and are mounted thereon.

A groove 24 is recessed from the sidewall of the beam 2 toward the body in the direction of the side wall of the beam 2, and the groove 24 is separately provided with a driving screw 241. Each of the first and second cutting head sliders 39, 40 is coupled to the first and second cutting head sliders 39, respectively, to be driven indirectly by the servo motors 34A, 24A. 40 can be operated separately to improve the operation accuracy and increase the stability of operation.

The first and second cutting machine working heads 32 and 33 are respectively installed on the first and second sliding seats 39 and 40. In the second preferred embodiment of the present invention, the first The cutting machine working head 32 is mounted on the first cutting head slide 39 for performing a low-speed high-torque roughing process, and the second cutting machine working head 33 is mounted on the second cutting The head slide 40 is used for a high-speed, low-torque fine machining process, and the two cutter working heads 32, 33 are respectively provided with a spindle 4A, 4B for mounting a cutter or the like.

Wherein, the first cutting head slider 39 is disposed at a position of a sidewall of the beam 2 higher than or equal to a position of the second cutting head slider 40 disposed at a side wall of the beam 2; preferably, the sidewall of the beam 2 is located The first cutting head slide 39 at the upper position is equipped with a roughing process for low-speed and high-torque, and the structural strength of the beam 2 is used to indirectly enhance and extend the service life of the device.

Finally, it must be re-arranged that those skilled in the art should be able to clearly understand that the detailed description and the embodiments of the present invention are only intended to illustrate the effect of the structure of the present invention, rather than The alternatives or variations of other equivalent elements, elements, articles, structures, or devices are intended to be limited to the scope of the invention.

[Embodiment]
100,200‧‧‧Double-head multi-purpose machine tools
1‧‧‧Base
2‧‧‧ beams
20‧‧‧track assembly
21, 22‧‧‧ Track
24, 34‧‧‧ grooves
24A, 34A‧‧‧ servo motor
241, 341‧‧‧ drive screw
30‧‧‧Load-bearing track assembly
31‧‧‧bearing block
32‧‧‧First cutting machine working head
33‧‧‧Second cutting machine working head
35‧‧‧Reinforcement plate
36‧‧‧First load-bearing rail
37‧‧‧Second load-bearing rail
38‧‧‧Anti-twist line
39‧‧‧First cutting head slide
391‧‧‧Anti-torsion slider
40‧‧‧Second cutting head slide
4A, 4B‧‧‧ spindle
5‧‧‧Workbench
9‧‧‧Load bearing slider

Figure 1 is a perspective view of a conventional cutting machine tool. Figure 2 is a front view of a conventional cutting machine. Figure 3 is a perspective view of a first perspective view of a first preferred embodiment of the present invention. Figure 4 is a perspective view of a second perspective view of the first preferred embodiment of the present invention. Figure 5 is a front elevational view of a first preferred embodiment of the present invention. Figure 6 is a rear view showing a first preferred embodiment of the present invention. Figure 7 is a perspective view of a first perspective view of a second preferred embodiment of the present invention. Figure 8 is a perspective view of a second perspective view of a second preferred embodiment of the present invention. Figure 9 is a front elevational view of a second preferred embodiment of the present invention. Figure 10 is a rear view showing a second preferred embodiment of the present invention. Figure 11 is a left side elevational view of a second preferred embodiment of the present invention. Figure 12 is a right side elevational view of a second preferred embodiment of the present invention.

100‧‧‧Double-head multi-purpose machine tool

1‧‧‧Base

2‧‧‧ beams

32‧‧‧First cutting machine working head

33‧‧‧Second cutting machine working head

341‧‧‧Drive screw

39‧‧‧First cutting head slide

40‧‧‧Second cutting head slide

4A‧‧‧ Spindle

5‧‧‧Workbench

Claims (10)

A dual-head multi-purpose machine tool comprising: a base, a beam disposed on the base, a first cutting head slider, a second cutting head slider, and a table; wherein the beam The two corresponding side wall surfaces are respectively provided with at least one line rail, and one side of the first and second cutting head sliders are respectively corresponding to the line rails of the beam; wherein the first cutting head slider a first cutting machine working head is provided, the second cutting head sliding seat is provided with a second cutting machine working head, and a working spindle for mounting the cutter is respectively provided on the working head of the two cutting machines, the work The pedestal is adjacent to the base below the main shaft. The double-head multi-purpose machine tool according to claim 1, wherein a recess is recessed from a side wall of the beam opposite to the body, and the two grooves are respectively provided with a transmission a screw, and the two drive screws are respectively connected to the first and second cutting head slides and are respectively driven by a servo motor. The double-head multi-purpose machine tool according to claim 2, wherein the two corresponding side wall faces of the beam are respectively provided with at least two-track rails, and the recesses are respectively disposed on the two phases. Corresponding to the line between the rails. The dual-head multi-purpose machine tool according to any one of claims 1 to 3, wherein the first cutting head slider is disposed at a side wall position of the beam is higher than or equal to the second The cutting head slider is disposed at the side wall of the beam. A dual-head multi-purpose machine tool comprising: a base, a beam disposed on the base, a first cutting head slider, a second cutting head slider, and a table; wherein the beam One of the side wall faces is provided with at least one line rail, and one side of the second cutting head slider is disposed on the line rail; wherein the other side wall surface of the beam is provided with a torsion resistance line rail, and the first The sidewall of the cutting head slider has a torsion bar and is disposed on the torsion bar; wherein the first cutting head slider is provided with a first cutting machine working head, and the second cutting head The carriage is provided with a second cutter working head, and each of the two cutting machine working heads is provided with a spindle for mounting the cutter, the table being adjacent to the base below the spindle. The dual-head multi-purpose machine tool according to claim 5, wherein the top end of the beam is provided with at least one load-bearing wire rail assembly, and the load-bearing wire rail assembly comprises a first load-bearing line a rail and a second load-bearing rail, and the first cutting head slider is provided with a bearing block, and the load bearing block is fixed with at least one load-bearing slider, and the first cutting head slider is mounted on the rail When the beam is on the beam, the load bearing slider is disposed on any of the load-bearing wire rails of the load-bearing wire rail assembly and is slidably actuated. The double-head multi-purpose machine tool according to claim 6, wherein the first and second load-bearing rails of the load-bearing rail assembly are from the top surface of the beam toward the body The direction is concavely formed as a groove, and the groove is provided with a transmission screw, and the transmission screw is coupled to the first cutting head slider and driven by a servo motor. The double-head multi-purpose machine tool according to claim 6, wherein the load-bearing block further comprises a reinforcing plate. The double-head multi-purpose machine tool according to claim 7, wherein the load-bearing block further comprises a reinforcing plate. The dual-head multi-purpose machine tool according to any one of claims 5 to 9, wherein the position of the first cutting head slider on the side wall of the beam is higher than or equal to the first The second cutting head slider is disposed at a position of a side wall of the beam.