CN208147322U - Multi-functional compound gantry machining center and system - Google Patents

Abstract

The utility model discloses a multifunctional composite gantry processing center and a system, comprising: a composite workbench, the composite workbench including a rotary workbench and a rectangular workbench both arranged on a base; the rotary workbench and the rectangular workbench Cooperate with the moving mechanism to complete the processing of the workpiece. The utility model realizes the technical effects of multi-axis linkage and multi-process combined processing, and improves the automation degree of mechanical processing.

Description

Multifunctional compound gantry machining center and system

technical field

The utility model relates to the technical field of mechanical processing equipment, in particular to a multifunctional compound gantry processing center and a system.

Background technique

In the machining process, due to the complex structure of the workpiece, it is necessary to cut each surface of the workpiece (including the end surface, side surface or peripheral surface), and it not only has Z-direction features but also radial features, which determines the workpiece. Perform multiple processes such as turning, milling, and boring; ordinary gantry processing equipment has a single function (turning or milling), and generally only has the ability to cut and process the Z-direction features of the workpiece, while ordinary five-axis turning and milling The composite machining center cannot perform high-power cutting processing on the workpiece; therefore, the workpiece generally adopts the processing method of using multiple processing equipment for multiple transfers. This processing method not only requires the purchase of multiple processing equipment, which increases production costs, but also The workpiece needs to be reordered and clamped multiple times. The process is time-consuming and laborious, which seriously affects the production efficiency. At the same time, multiple reordering and clamping will cause errors to gradually accumulate, and eventually the dimensional accuracy of the workpiece cannot meet the requirements.

Utility model content

In order to solve the deficiencies of the prior art, one of the purposes of this utility model is to provide a multifunctional composite gantry machining center, which is provided with a composite workbench, which combines a rotary workbench with a rectangular workbench, and at the same time installs a universal angle head , which realizes some functions of the five-axis machining center, and can realize the technical effect of multi-process combined processing of workpieces.

The multi-functional composite gantry machining center includes: a composite worktable, the composite worktable includes a rotary table and a rectangular table; the rotary table and the rectangular table cooperate with the motion mechanism to move to complete the processing of the workpiece.

Further, the upper end surface of the rectangular worktable is provided with a groove gap, the rotary table is embedded in the groove gap, and a radial gap is provided between the outer peripheral surface of the rotary table and the groove gap.

Further, the groove gap is an arc-shaped groove gap arranged at one end of the rectangular workbench;

The rotary table is embedded in the arc-shaped groove gap, the rotary table protrudes from one end of the rectangular table, and the upper end surface of the rotary table is not lower than the upper end surface of the rectangular table.

Further, the groove gap is a circular groove gap arranged inside the rectangular workbench, the rotary worktable is embedded in the circular groove gap, and the upper end surface of the rotary worktable is flat with the upper end surface of the rectangular worktable. Qi settings.

Further, the movement mechanism includes a portal frame installed on the bed and a composite workbench capable of moving along the X direction;

A Y-axis cross arm is installed on the portal frame, and a Z-axis vertical arm is slidably connected to the Y-axis cross arm;

The composite workbench, the Y-axis horizontal arm and the Z-axis vertical arm are respectively driven by their respective driving devices;

The bottom end of the Z-axis vertical arm is equipped with a machine tool spindle, and the machine tool spindle can process the workpiece placed on the workbench by calling the required tool or calling the universal angle head to install the required tool.

Further, the Z-axis vertical arm is equipped with a universal angle head;

The universal angle head is detachably connected to the bottom end of the Z-axis vertical arm through a positioning piece.

Further, a tool magazine is provided on one side of the bed, and the universal angle head is placed in the tool magazine;

The positioning member includes a positioning block fixedly arranged on the bottom of the Z-axis vertical arm and a stop pin fixedly arranged on the universal angle head.

Further, a tool seat is provided on the bed, and a universal angle head is placed in the tool seat;

The positioning member includes a connecting flange fixedly arranged on the universal angle head.

Further, the knife seat is a cylindrical knife seat provided with a gap, the knife seat is provided with a support protrusion, and the side part of the universal angle head is clamped in the gap of the knife seat, and the support protrusion and Universal angle head connection flange contact fit.

The second purpose of the utility model is to disclose a multi-functional compound gantry processing system, including the above-mentioned multi-functional compound gantry processing center, and also includes a tool magazine management system, which is used to control the machine tool spindle to call corresponding tools in the tool magazine. Tool, automatic tool change;

High-precision tool setting instrument for automatic tool setting;

The machine tool control system is used to control the cutting fluid supply system, hydraulic supply system, machine tool shield, electrical cabinet part and oil mist dust removal device to realize four-axis linkage.

The third purpose of the utility model is to disclose a multifunctional composite gantry processing method, including:

Select the corresponding processing mode according to the processing requirements of the workpiece, and the processing modes are ordinary three-axis processing mode, turning-milling compound processing mode and five-axis processing mode;

In the corresponding processing mode, the workpiece is placed on the corresponding workbench, and the machine tool spindle realizes the processing of the workpiece placed on the workbench by calling the tool or/and installing the required tool with the universal angle head.

The common three-axis machining mode:

Fix the workpiece on the rectangular workbench, the machine tool spindle calls the corresponding tool in the tool magazine, realizes three-axis linkage (X, Y, Z) under the control of the control system, and gradually processes the workpiece in three axes;

Turning and milling compound processing mode:

Fix the workpiece on the rotary table, and the machine tool spindle calls the corresponding tool in the tool magazine to turn the workpiece;

After the turning process is completed, the machine tool spindle automatically switches the corresponding tool, and gradually completes the processing of the Z-direction features of the workpiece;

Five-axis machining mode:

Fix the workpiece on the rotary table;

The main shaft of the machine tool calls the corresponding tool, adjusts the rotation speed of the rotary table, and gradually completes the turning process of the workpiece;

The main shaft of the machine tool calls the corresponding tool, adjusts the rotation speed of the rotary table, and gradually completes the machining of the Z-direction features of the workpiece;

The spindle of the machine tool calls the universal angle head, which installs the corresponding tool, adjusts the universal angle head to a suitable angle, adjusts the rotating speed of the rotary table, and gradually completes the machining of the inclined radial features of the workpiece.

Compared with the prior art, the beneficial effects of the utility model are:

1. The utility model discloses a multifunctional compound gantry machining center, which realizes the technical effect of multi-axis linkage and multi-process combined processing, and improves the automation degree of mechanical processing.

2. The machine tool is equipped with a rotary table and a rectangular table. At the same time, the bottom end of the Z-axis vertical arm is detachably connected with a universal angle head; it has three functional modes, and different functional modes can be activated according to the specific processing needs of the workpiece to avoid The B-axis (universal angle head) of the machine tool is always in working condition, which solves the technical problems of easy damage, high maintenance cost and low service life of the B-axis of ordinary five-axis turning-milling compound machining centers; especially in high-power cutting of workpieces At this time, ordinary five-axis turning and milling compound machining centers are easily damaged due to excessive torque on the spindle, but the multifunctional compound gantry machining center described in the utility model can meet the requirements of high-power cutting, and the machine tool has higher stability.

At the same time, the setting of the rectangular workbench solves the technical problem that large-sized workpieces cannot be clamped and fixed on the rotary workbench.

3. While retaining the high-power three-axis cutting processing capability, the machine tool realizes the high-power four-axis turning-milling compound processing function with a relatively simple structure by setting a rotary table; further, the machine tool realizes five Axis function; not only can the workpiece be processed with high power and high efficiency, but also can be processed with fine milling and boring, which solves the long processing cycle caused by the need for multiple reordering and clamping of the workpiece during the processing process The technical problems of the workpiece have been solved, and the technical effect of multi-process processing of the workpiece has been realized, the production cycle has been shortened, and the production efficiency has been increased by more than 20%. At the same time, the manufacturing cost of the machine tool is lower, and its maintenance is easier, lower maintenance cost, and service life longer, greatly reducing production costs.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application, and do not constitute improper limitations to the present application.

Fig. 1 is the overall structure schematic diagram of the multifunctional compound gantry machining center of the present invention;

Fig. 2 is the front view of the multifunctional composite gantry machining center of the present invention;

Fig. 3 is a side view of the multifunctional composite gantry machining center of the present invention;

Fig. 4 is the top view of the multifunctional composite gantry machining center of the present invention;

Fig. 5 is the top view of the workbench of the multifunctional composite gantry machining center of the present invention;

Fig. 6 is a front view of the workbench in Fig. 5 of the multifunctional composite gantry machining center of the present invention;

Fig. 7 is a top view of the workbench of another embodiment of the multifunctional composite gantry machining center of the present invention;

Fig. 8 is a front view of the workbench in Fig. 7 of the multifunctional compound gantry machining center of the present invention;

Fig. 9 is a front view of the utility model equipped with a universal angle head knife holder;

Figure 10 is a side view of the utility model with a knife seat installed;

In the figure, 1. Y-axis cross arm, 2. Universal angle head, 3. Tool seat, 4. Rectangular worktable, 5. Rotary worktable, 6. Bed, 7. Z-axis vertical arm, 8 vertical arm installation Seat, 9, door frame, 10, knife seat gap, 11, support protrusion, 12, base.

Detailed ways

It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

As introduced in the background technology, there is a deficiency in the prior art that it is difficult for ordinary processing equipment to meet all the processing requirements of workpieces. In order to solve the above technical problems, this application proposes a multifunctional composite gantry processing center and system.

Embodiment one

In a typical implementation of the present application, as shown in Figures 1-4, a multi-functional compound gantry machining center is provided, which includes a bed 6 on which a workbench is installed, And the driving device that drives the workbench to move in the X direction; the bed 6 is equipped with a portal frame 9, the portal frame 9 is equipped with a Y-axis cross arm 1, and the Z-axis vertical arm 7 slides through the vertical arm mounting seat 8 Connected to the Y-axis cross arm 1, the vertical arm mounting base 8 is connected with a Y-direction drive device, and the Z-axis vertical arm 7 is connected with a Z-direction drive device; the lower end of the Z-axis vertical arm 7 is equipped with a machine tool spindle, and the Z-axis vertical arm 7 can be The universal angle head 2 is detachably connected; the workbench is located below the Z-axis vertical arm 7 .

In practical applications, the X-direction driving device is preferably a servo motor, and its power output end is connected to the base of the worktable through a screw. The screw is preferably a ball screw, and the guide rail is a roller linear guide rail; the Y-direction driving device is preferably a servo motor. , the power output end is connected to the vertical arm mounting seat 8 through a screw, the screw is preferably a ball screw, and the guide rail is a roller linear guide; the Z-direction driving device is preferably a servo motor, and the power output end is connected to the Z through the screw. The shaft arm 7 is connected by transmission, the screw is preferably a ball screw, and the guide rail is a roller linear guide.

As shown in Figures 5-6, the workbench includes a base 12, on which a rotary table 5 is arranged, and a C-axis driving device that drives the rotary table 5 to rotate; the C-axis driving device is preferably a built-in motor, and the built-in motor The power output end directly drives the rotary table 5 to rotate, which can realize high-power turning and high-precision positioning functions. The built-in motor can adjust the rotation speed of the rotary table 5 to realize switching between different processing modes (turning, milling).

The workbench also includes a rectangular workbench 4, one end of the rectangular workbench 4 is provided with an arc-shaped notch, and the rotary workbench 5 is embedded in the arc-shaped notch, and the rotary workbench 5 protrudes from one end of the rectangular workbench 4; The upper end surface of 5 is not lower than the upper end surface of the rectangular worktable 4, the upper end surface of the rotary worktable 5 is preferably higher than the upper end surface of the rectangular worktable 4, the distance between the end surfaces is preferably 5-12mm, the outer peripheral surface of the rotary worktable 5 and the arc-shaped groove The notch is provided with a radial gap, and the radial gap is preferably 5-8 mm.

The rotary table 5 is higher than the rectangular table 4, which can prevent the workpiece (the outermost end of the workpiece beyond the rotary table 5) from interfering with the rectangular table 4; meanwhile, the rotary table 5 is nested at one end of the rectangular table 4 , the existence of the height difference between the rotary table 5 and the rectangular table 4 will not affect the usable area of the rectangular table 4 .

In this embodiment, the rotary table 5 and the rectangular table 4 are all fixedly arranged on the base 12. Driven by the X-axis driving device of the machine tool, the rotary table 5, the rectangular table 4 and the table base 12 can move together along the X-axis direction. Certainly, the X-axis driving device of the machine tool can be set to drive the portal frame 9 so that the portal frame 9 can move along the X-axis direction.

The multi-functional composite gantry machining center is equipped with a tool magazine; the tool magazine is preferably an in-line tool magazine, and the tool magazine is arranged on one side of the bed 6, and the tool magazine is provided with a plurality of tool positions for placing multiple tools, and the multiple tools include milling tools. Knives, turning tools, boring tools, etc.

As shown in Figure 9-10, a tool seat 3 is provided on one side of the workbench; a universal angle head 2 is placed in the tool seat 3, and the machine tool spindle is automatically or manually installed with a universal angle head 2 to realize the B-axis function; the tool seat 3 is preferably a cylindrical knife seat with a gap 10, the knife seat 3 is provided with a support protrusion 11, the universal angle head 2 is placed in the knife seat 3, and the side of the universal angle head 2 is clamped in the knife seat gap 10 Among them, the supporting protrusion 11 contacts and cooperates with the connecting flange of the universal angle head 2; the tool seat 3 is provided with a protective cover, and when the machine tool spindle needs to call the universal angle head 2, the driving device (air cylinder) drives the protective cover to open.

The universal angle head 2 is detachably connected to the lower end of the Z-axis vertical arm 7 through a positioning piece, and the positioning piece is used to fix the universal angle head body; as an embodiment, the positioning piece can be fixedly arranged on the universal angle head 2, the universal angle head 2 can meet the requirements for high-power cutting of the workpiece, and the bottom end surface of the Z-axis vertical arm 7 is provided with threaded holes. When the universal angle head 2 needs to be called, the machine tool The main shaft moves to the top of the tool seat 3, and the universal angle head 2 is fixedly connected to the bottom end surface of the Z-axis vertical arm 7 through the connecting flange and the connecting bolt. Switch with universal angle head 2.

The multi-functional compound gantry machining center is equipped with a tool magazine management system and a high-precision tool setting instrument. The repeated positioning accuracy of tool setting is 0.001mm, which realizes automatic tool change, automatic tool setting, and tool compensation. Pause to detect the tool or change the tool. After the processing is completed, the system automatically detects the tool to determine whether the tool is broken or the tool is worn. The detection information is automatically fed back and automatically judges whether the processing defect is caused by the tool wear.

The multifunctional compound gantry machining center is equipped with cutting fluid supply system, hydraulic supply system, machine tool shield, electrical cabinet part, oil mist dust removal device, etc., and realizes four-axis linkage under the control of the machine tool control system.

The technical solution of the multi-functional composite gantry machining center disclosed by the utility model has three functional modes as described above. On the table 5 or on the rectangular worktable 4, the corresponding processing mode is activated at the same time to complete the cutting of the workpiece.

Mode 1: Ordinary three-axis machining mode

The workpiece only needs to process the Z-direction features of the upper and lower end faces, especially for large-scale workpieces, which cannot be fixed on the rotary table 5 due to the size and shape of the rotary table 5. The processing method is: fix the workpiece on a rectangular worktable On stage 4, the main shaft of the machine tool calls the corresponding tool in the tool magazine, realizes three-axis linkage (X, Y, Z) under the control of the control system, and gradually performs high-power three-axis milling, drilling, tapping, and boring on the workpiece Wait for processing.

Mode 2: Turning and milling compound processing mode

The workpiece not only needs to be turned, but also needs to be milled and bored on the Z-direction features of the upper and lower end faces. The processing methods are:

(1) The workpiece is fixed on the rotary table 5, and the machine tool spindle calls the corresponding tool in the tool magazine to perform high-power turning on the inner and outer peripheral surfaces, upper and lower end surfaces of the workpiece;

(2) After the turning process is completed, the machine tool spindle automatically switches the corresponding tool, and gradually completes the milling, drilling, tapping and other processing of the Z-direction features of the workpiece.

Mode 3: Five-axis machining mode

The workpiece, especially the ring-shaped workpiece with a relatively complex structure, not only needs to be turned, but also needs to be milled and boring on the radial and Z-direction features of the workpiece. The processing method is as follows:

(1) fix the workpiece on the rotary table 5;

(2) The main shaft of the machine tool calls the corresponding tool, adjusts the rotation speed of the rotary table 5, and gradually completes the turning process of the inner and outer circumference/taper surface, upper and lower end surfaces of the workpiece;

(3) The main shaft of the machine tool calls the corresponding tool, adjusts the rotation speed of the rotary table 5, and gradually completes the milling, drilling, tapping, boring and other processing of the Z-direction characteristics of the workpiece;

(4) The spindle of the machine tool calls the universal angle head 2, installs the corresponding tool on the universal angle head 2, adjusts the universal angle head 2 to a suitable angle, adjusts the rotation speed of the rotary table 5, and gradually completes the milling and drilling of the inclined radial characteristics of the workpiece Hole, tapping, boring and other processing.

It should be noted that the Z-direction feature refers to the groove, concave hole, etc. whose end face normal is parallel to the worktable end face normal; correspondingly, the radial feature refers to its own end face normal and Grooves, concave holes, etc. where the angle between the end faces of the workbench is less than 90 degrees.

Embodiment two

As shown in Figures 7-8, as another embodiment of the present utility model, the difference between the multifunctional compound gantry machining center and the first embodiment is that the workbench includes a rotary workbench 5, a rectangular workbench 4, and a rectangular workbench 4 is provided with a circular groove gap inside, the rotary table 5 is embedded in the circular groove gap, the upper end surface of the rotary table 5 is not lower than the upper end surface of the rectangular table 4, and the upper end surface of the rotary table 5 is preferably set flush with the upper end surface of the rectangular worktable 4, so as to avoid the reduction of the available clamping area of the rectangular workbench 4 due to the existence of the rotary worktable 5, thus making it impossible to complete the fixing and clamping of workpieces, especially large-sized workpieces ; When the rectangular workbench 4 needs to be used, the rotary table 5 and the rectangular workbench 4 are relatively static, and the rotary table 5 and the rectangular workbench 4 as a whole can satisfy the fixing and clamping of workpieces, especially large-sized workpieces.

Embodiment three

As another embodiment of the present utility model, the difference between the multifunctional compound gantry machining center and the first embodiment is:

The multi-functional compound gantry machining center is provided with a tool seat 3 for placing the universal angle head 2. The tool seat 3 is arranged inside one side of the machine tool. When the machine tool spindle needs to call the universal angle head 2, the protective door is opened, and the driving device (Cylinder) the knife seat 3 is released.

Embodiment Four

As another embodiment of the present utility model, the difference between the multifunctional compound gantry machining center and the first embodiment is:

The universal angle head 2 is arranged in the tool magazine of the multifunctional compound gantry machining center, and the machine tool spindle can directly call the universal angle head, that is, the automatic switching of the universal angle head 2 can be realized.

The universal angle head 2 is detachably connected to the bottom end of the Z-axis vertical arm 7 through a positioning piece; as an embodiment, the universal angle head 2 includes a knife handle, and the positioning piece includes a stop arm arranged on the knife handle. A stop pin is installed on the boom, and a positioning block is installed at the bottom end of the vertical arm 7 of the machine tool Z. Fixed to prevent the entire gimbal head 2 from rotating.

The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, there may be various modifications and changes in the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.

Claims (9)

1. multi-functional compound gantry machining center, characterized in that including:Compound table, the compound table include rotation Workbench and and rectangular table；The mobile completion of the rotary table and rectangular table cooperative movement mechanism adds workpiece Work；

The movement mechanism includes the gate rack that is mounted on lathe bed and can answer in X direction with gate rack relative motion Close workbench；

Y-axis transverse arm is installed on the gate rack, slidably connects Z axis armstand on the Y-axis transverse arm；

The compound table, Y-axis transverse arm and Z axis armstand are driven by respective driving device respectively；

Z axis armstand bottom end is equipped with machine tool chief axis, and the machine tool chief axis is by cutter needed for calling or calls universal angle Spend processing of the cutter realization to the workpiece being placed on workbench needed for head is installed.

2. multi-functional compound gantry machining center as described in claim 1, characterized in that the rectangular table upper surface is set It is equipped with groove notch, the rotary table is embedded in the groove notch, the rotary table outer peripheral surface and groove notch Between be provided with radial clearance.

3. multi-functional compound gantry machining center as claimed in claim 2, characterized in that the groove notch is to be set to square The circular groove notch of shape workbench one end；

The rotary table is embedded in the circular groove notch, and rotary table protrudes from rectangular table one end, rotation Revolving worktable upper surface is not less than rectangular table upper surface.

4. multi-functional compound gantry machining center as claimed in claim 2, characterized in that the groove notch is to be set to square Circular groove notch inside shape workbench, rotary table is embedded in the circular groove notch, on the rotary table End face is concordant with rectangular table upper surface to be arranged.

5. multi-functional compound gantry machining center as described in claim 1, characterized in that Z axis armstand bottom end is configured with Universal angle head；

The universal angle head is removably attachable to Z axis armstand bottom end by locating piece.

6. multi-functional compound gantry machining center as claimed in claim 5, characterized in that the side of lathe bed is provided with tool magazine, The universal angle head is placed in tool magazine；

The locating piece includes the stop for being fixedly installed on the locating piece of Z axis armstand bottom and being fixedly installed on universal angle head Pin.

7. multi-functional compound gantry machining center as claimed in claim 5, characterized in that it is provided with tool apron on the lathe bed, Universal angle head is placed in the tool apron；

The locating piece includes the connecting flange being fixedly installed on universal angle head.

8. multi-functional compound gantry machining center as claimed in claim 7, characterized in that the tool apron is that setting is jaggy Tubular tool apron, the tool apron are provided with support protrusion, and the universal angle cephalic region is arranged in the notch of tool apron, the support Protrusion is engaged with universal angle head connecting flange.

9. multi-functional compound gantry system of processing, characterized in that any described multi-functional compound including the claims 1-8 Gantry machining center further includes Management System of Tool Magazine, and the Management System of Tool Magazine control machine tool chief axis calls corresponding in tool magazine Cutter realizes automatic tool changer；

High-precision tool setting gauge, for realizing automatic tool preset；

Machine tool control system, for controlling cutting liquid supply system, hydraulic feed system, lathe shield, Electric Appliance Cabinet part and oil Mist dust-extraction unit realizes linkage work.