WO2017113225A1 - Multi-spindle processing apparatus - Google Patents

Abstract

Disclosed is a multi-spindle processing apparatus, comprising a base (10), a worktable (20) and at least two processing devices (30). The worktable is provided on the base and is used for having a workpiece (40) to be processed fixed thereon. The at least two processing devices are respectively provided on either side of the worktable and are used for processing the workpiece to be processed which is fixed on the worktable. A column driving mechanism (32) of the processing devices drives a column (31) to move on the base in a first direction. A saddle (33) is slidably mounted on the column. A saddle driving mechanism (34) drives the saddle to move on the column in a second direction. A spindle box (35) is slidably mounted on the saddle. A spindle box driving mechanism (36) drives the spindle box top move on the saddle in a third direction. Spindles (37) are arranged on the spindle box. The first direction, the second direction and the third direction are perpendicular to one another such that the spindles can process the workpiece to be processed in three dimensions. The processing apparatus is capable of processing, at the same time, at least two faces of the workpiece to be processed, thereby improving the processing efficiency and the utilization of a machine tool.

Description

Multi-spindle processing equipment

[Technical Field]

The invention relates to the technical field of processing equipment, and in particular to a multi-spindle processing equipment.

 【Background technique】

Horizontal milling machines are one of the most common milling machines for metal milling workpiece machining.

The existing horizontal milling machine includes a work table and a main shaft. When machining a metal milling workpiece, the workpiece on the work surface is milled by the tool on the main shaft, and after one side of the milling process is completed, the other side is changed to continue milling. machining.

Since the existing horizontal milling machine is equipped with only one spindle, when milling the workpiece of the box, only one surface feature can be milled at the same time, and the workpiece processing surface needs to be frequently changed during the machining, which leads to the reduction of the machining efficiency and the machine tool. The disadvantages are reduced, especially for multi-face machining of box workpieces.

 [Summary of the Invention]

The invention provides a multi-spindle processing device, which can solve the problem that only one surface feature can be processed at the same time in the prior art, resulting in low processing efficiency and low utilization rate of the machine tool.

In order to solve the above technical problem, a technical solution adopted by the present invention is to provide a multi-spindle processing apparatus, which includes a base, a work table and at least two processing devices; the work table is disposed on the base for Fixing the workpiece to be processed; at least two processing devices are respectively disposed on different sides of the worktable for processing the workpiece to be processed fixed on the worktable; the two processing devices respectively comprise a column and a column drive a mechanism, a saddle and a saddle drive mechanism, a headstock and a headstock drive mechanism; the column drive mechanism is fixed to the base, the column is slidably mounted on the column drive mechanism, and the column drive mechanism drives the The column is moved in the first direction on the base; the sliding saddle is slidably mounted on the column, and the sliding saddle driving mechanism drives the sliding saddle to move in the second direction on the column; a headstock slidingly mounted on the sliding saddle, the headstock driving mechanism driving the headstock to move in a third direction on the sliding saddle, wherein the spindle box is provided with Axis; wherein the first direction, the second direction and the third mutually perpendicular directions, so that the spindle may be processed in three dimensions of the workpiece to be machined.

Wherein each of the processing devices is independent of each other.

The first direction is a plane parallel to the plane of the base and parallel to the processing surface of the workpiece to be processed; the second direction is a direction perpendicular to a plane of the base; the third The direction is perpendicular to the direction of the machined surface of the workpiece to be machined.

Wherein the column driving mechanism includes a first motor, a first lead screw and a first rail pair; the first screw is respectively connected to the first motor and the column, and the first rail pair is along the a first direction extending, one side of the first rail pair is connected to the base, and the other side is connected to the column, so that the first motor drives the first screw to rotate to drive the column at The first rail pair slides on the pair.

Wherein the sliding saddle driving mechanism comprises a second motor, a second screw rod and a second rail pair; the second screw rod is respectively connected with the second motor and the sliding saddle, and the second rail auxiliary edge Extending in the second direction, one side of the second rail pair is connected to the column, and the other side is connected to the sliding saddle, so that the second motor drives the second screw to rotate The sliding saddle slides on the second rail pair.

Wherein, the headstock driving mechanism includes a third motor, a third screw rod and a third rail pair; the third screw rod is respectively connected with the third motor and the spindle box, and the third rail auxiliary edge Extending in the third direction, one side of the third rail pair is connected to the sliding saddle, and the other side is connected to the headstock, so that the third motor drives the third screw to rotate The headstock slides on the third rail pair.

The turret is mounted on the workbench, and the workpiece to be processed is fixed on the turret, and the turret is used to drive the workpiece to be processed to rotate.

Wherein, the turntable is further provided with a clamp for fixing the workpiece to be processed.

Wherein, the fixture is a square box fixture, and four sides of the square box fixture are provided with fixing stations for fixing the workpiece to be processed.

Wherein one or more of the fixed stations are provided on each side of the square box clamp.

The beneficial effects of the present invention are: different from the prior art, the processing device of the multi-spindle processing device of the present invention drives the column sliding by the respective column driving mechanism, the sliding saddle driving mechanism drives the sliding saddle sliding, and the spindle box driving mechanism drives. The headstock slides to move the spindle in three mutually perpendicular directions, so that the spindle can process different positions and different depths of the workpiece to be processed on the worktable for three-dimensional machining, and the spindle movement is flexible. The controllability is high, thereby improving the processing precision. Further, the present invention is provided with a plurality of processing devices, the spindles of which can be flexibly moved, and it is possible to simultaneously process a plurality of faces of the workpiece to be processed, thereby improving processing efficiency and utilization of the machine tool.

 [Description of the Drawings]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in light of the inventive work.

1 is a schematic perspective structural view of an embodiment of a multi-spindle processing apparatus of the present invention;

Figure 2 is a front elevational view of an embodiment of the multi-spindle processing apparatus of the present invention;

Figure 3 is a left side elevational view of an embodiment of the multi-spindle processing apparatus of the present invention;

4 is a top plan view of an embodiment of a multi-spindle processing apparatus of the present invention.

【detailed description】

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Please refer to FIG. 1. FIG. 1 is a schematic structural view of an embodiment of a multi-spindle processing apparatus according to the present invention.

Wherein, the multi-spindle processing device of the present invention may be a double-spindle horizontal milling machine, or a horizontal milling machine of four spindles, six spindles, and the like, and a multi-spindle milling machine of a non-horizontal structure type.

In this embodiment, the present invention is described by taking a double-spindle horizontal milling machine as an example.

The double-sided twin-spindle horizontal milling machine includes a base 10, a table 20 and two processing devices 30. It is worth mentioning that in other embodiments, there are at least two processing devices 30, and there are two processing devices 30 in the double-sided double-spindle processing device of the present embodiment, and processing in other multi-spindle processing devices. There may be more than one device 30.

2 is a front view of the embodiment of the multi-spindle processing apparatus of the present invention; FIG. 3 is a left side view of the embodiment of the multi-spindle processing apparatus of the present invention; and FIG. 4 is a multi-spindle processing apparatus of the present invention. A top view of an example.

The work table 20 is disposed on the base 10 for fixing the workpiece 40 to be processed.

A plurality of processing devices 30 are respectively disposed on opposite sides of the table 20 for processing the workpiece 40 to be processed fixed to the table 20. In the present embodiment, two processing devices 30 are respectively disposed on both sides of the workpiece 40 to be processed on the table 20.

Specifically, both processing devices 30 include a column 31 and a column drive mechanism 32, a saddle 33 and a saddle drive mechanism 34, a headstock 35, and a headstock drive mechanism 36.

The column driving mechanism 32 is fixed to the base 10, and the column 31 is slidably mounted on the column driving mechanism 32, and the column driving mechanism 32 drives the column 31 to move in the first direction on the base 10. The saddle 33 is slidably mounted on the upright 31, and the saddle drive mechanism 34 drives the saddle 33 to move in the second direction on the upright 31. The headstock 35 is slidably mounted on the sliding saddle 33. The headstock driving mechanism 36 drives the spindle box 35 to move in the third direction on the sliding saddle 33. The spindle box 35 is provided with a spindle 37. The spindle 37 in this embodiment is mounted. The flange is fixed to the spindle housing 35 by screws. The first direction, the second direction, and the third direction are perpendicular to each other such that the spindle 37 can process the workpiece 40 to be processed in three dimensions.

During the machining process, the spindle 37 requires different positions of the machined surface of the workpiece 40 to be machined, and the depth of the machining is also different. The present invention drives the headstock 35 to slide by the headstock drive mechanism 36 to adjust the depth of the machining of the workpiece 40 to be processed by the spindle 37. The saddle drive mechanism 34 drives the saddle 33 to slide, thereby adjusting the position of the main shaft 37 at the machined surface of the workpiece 40 to be machined, with the main shaft 37 being moved away from or near the base 10. The column driving mechanism 32 drives the column 31 to slide, thereby adjusting the position of the spindle 37 at the processing surface of the workpiece 40 to be processed, so that the spindle 37 can be moved back and forth with respect to the workpiece 40 to be processed. The column drive mechanism 32, the saddle drive mechanism 34 and the headstock drive mechanism 36 respectively drive the column 31, the saddle 33 and the headstock 35, thereby driving the spindle 37 to perform three mutually perpendicular movements, thereby making the movement of the spindle 37 more complete. Flexible and controllable, making machining more precise. The movement of the spindle 37 parallel to the machined surface determines the position to be machined, and the motion perpendicular to the machined surface determines the depth of the machining, thereby controlling the three-dimensional machining in three dimensions by the movement of the spindle 37.

Different from the prior art, the processing device of the multi-spindle processing apparatus of the present invention drives the column 31 to slide by the respective column driving mechanism 32, the saddle driving mechanism 34 drives the sliding saddle 33 to slide, and the spindle box driving mechanism 36 drives the headstock. The sliding of 35 causes the main shaft 37 to move in three mutually perpendicular directions, so that the main shaft 37 can process the workpiece 40 to be processed on the table 20 at different positions and different depths to perform three-dimensional three-dimensional machining, the main shaft. The movement of the 37 is flexible and the controllability is high, which improves the machining accuracy. Further, the present invention is provided with a plurality of processing apparatuses 30, and the spindles 37 of the plurality of processing apparatuses 30 can be flexibly moved, and it is possible to simultaneously process a plurality of faces of the workpiece 40 to be processed, thereby improving processing efficiency and utilization of the machine tool. rate.

Specifically, the two processing devices 30 in this embodiment are independent of each other. For example, on the left side of the table 20 in FIG. 1 is a first processing device, the column 31 of the first processing device, the saddle 33, and the headstock 35. The movement in the X, Y, and Z directions causes the spindle head 37 to move in the X, Y, and Z directions to complete the processing of the surface features of one surface of the workpiece 40 to be processed. The right side of the table in Fig. 1 is a second processing device, and the movement of the column 31, the sliding saddle 33, and the headstock 34 of the second processing device in the X, Y, and Z directions causes the spindle 37 to move in the X, Y, and Z directions. The processing of the surface features of the other face of the workpiece 40 to be processed is completed.

Each processing device 30 is independent of each other. For example, in the present embodiment, the first processing device and the second processing device are independent of each other, that is, the motion of the main shaft 37 of the two processing devices 30 may be asynchronous, such that the two The processing device 30 can process not only the two faces of the workpiece 40 but also the different face features on both faces. Therefore, the present invention is equally applicable to the processing of the workpiece 40 to be processed with different surface features, which also improves the processing efficiency.

In the present embodiment, the first processing device and the second processing device are symmetrically disposed on both sides of the table 20.

In the present embodiment, the first direction is parallel to the plane in which the base 10 is located and the direction parallel to the machined surface of the workpiece 40 to be processed. Specifically, as shown in FIG. 1, the first direction, that is, the direction of the X-axis, the column driving mechanism 32 drives the movement of the column 31 in the X-axis direction to drive the sliding saddle 33, the headstock 35 and the main shaft 37 to move in the X-axis direction, so that The spindle 37 can be moved to a position where it is required to be processed in the X-axis direction of the workpiece.

The second direction is a direction perpendicular to the plane of the table 20, that is, the direction of the Y-axis in FIG. 1, and the saddle driving mechanism 34 drives the movement of the saddle 33 in the Y-axis direction to drive the headstock 35 and the main shaft 37 along the Y-axis direction. The movement causes the spindle 37 to move to a position where the workpiece 40 to be processed needs to be processed in the Y-axis direction.

The third direction is a direction perpendicular to the working surface of the workpiece 40 to be processed, that is, the direction of the Z axis in FIG. 1, and the spindle box driving mechanism 36 drives the movement of the spindle box 35 in the Z-axis direction to drive the spindle 37 to move in the Z-axis direction, thereby The spindle 37 is moved to a depth to be processed in the Z-axis direction of the workpiece 40 to be processed.

The column driving mechanism 32 in the present invention includes a first motor 321, a first lead screw 322, and a first rail pair 323.

The first lead screw 322 is connected to the first motor 321 and the column 31 respectively. Specifically, one end of the first screw rod 322 is connected to the output end of the first motor 321 , and the first screw rod 322 and the column 31 are screwed together. . The first rail pair 323 extends in the first direction, that is, the X-axis direction, one side of the first rail pair 323 is connected to the base 10, and the other side is connected to the column 31, so that the first motor 321 drives the first screw 322 to rotate. The driving column 31 slides on the first rail pair 323, thereby moving the spindle 37 in the first direction.

The saddle drive mechanism 34 includes a second motor 341, a second lead screw 342, and a second rail pair 343.

The second screw 342 is connected to the second motor 341 and the sliding saddle 33 respectively. Specifically, one end of the second screw 342 is connected to the output end of the second motor 341, and the second screw 342 passes between the second screw 342 and the sliding saddle 33. Threaded connection. The second rail pair 343 extends in the second direction, that is, the Y-axis direction, one side of the second rail pair 343 is connected to the column 31, and the other side is connected to the sliding saddle 33, so that the second motor 341 drives the second screw 342. Rotating to drive the sliding saddle 33 to slide on the second rail pair 343, thereby moving the spindle 37 in the second direction.

The headstock drive mechanism 36 includes a third motor 361, a third lead screw 362, and a third rail pair 363.

The third screw 362 is respectively connected to the third motor 361 and the spindle box 35. Specifically, one end of the third screw 362 is connected to the output end of the third motor 361, and the third screw 362 passes between the third screw 362 and the spindle housing 35. Threaded connection. The third rail pair 363 extends in the third direction, that is, the Z-axis direction, one side of the third rail pair 363 is connected to the saddle 33, and the other side is connected to the headstock 35 to drive the third motor 361 to drive the third screw The rotation of the 362 causes the headstock 35 to slide on the third rail pair 363, thereby moving the spindle 37 in the third direction.

The first motor 321, the second motor 341, and the third motor 361 are all servo motors.

Of course, the sliding manner of the uprights 31, the sliding saddles 33, and the headstock 35 may be other manners commonly used in the art, and is not limited to the above sliding manner.

A turntable 80 is mounted on the table 20, and the workpiece 40 to be processed is placed on the turntable 80, and the turntable 80 is used to drive the workpiece 40 to be processed to rotate. After the two faces of the workpiece 40 to be processed are finished, the turntable 80 is automatically rotated, so that the workpiece 40 to be processed is rotated, so that the other two faces to be processed 40 are to be machined opposite the main shaft 37, so that the main shaft 37 is paired. The two faces are processed, thereby reducing the pick-and-place operation of the workpiece 40 to be processed and improving the processing efficiency. The turntable 80 of the present invention may be an indexing turntable or a digital control turntable. Specifically, the turntable 80 is placed at the center of the table 20.

In order to fix the workpiece 40 to be processed, a jig 90 is further provided on the turntable 80, and the jig 90 is fixed to the turntable 80 by screws.

The jig 90 in this embodiment is a square box jig, and the four sides of the square box jig are provided with fixing stations for fixing the workpiece 40 to be processed.

Specifically, in the process of the present invention, each time the turntable 80 is rotated, after the positioning, the main shaft 37 processes the two faces of the workpiece 40 to be processed toward the Z axis, and can also be processed to the X axis. The surface of the workpiece 40 facing the Z-axis is processed, that is, each time the turntable 80 is rotated, each of the main shafts 37 can process three faces. After the three faces are processed, the rotary turntable 80 is processed to machine the other faces. The invention can greatly reduce the number of rotations of the workpiece 40, save time and improve efficiency. In addition, when the workpieces in the fixed stations on the two faces have been machined, and the workpieces of the other two fixed stations are still being processed, the already finished workpieces can be cut and fixed at the same time. The loading is carried out at the station, and the machining of the workpieces at the other two fixed stations is not affected, further improving the efficiency.

The square box jig can be provided with one or more fixing stations on each side in the maximum stroke range of the main shaft 37. For example, the square box jig of the embodiment has two fixed stations on each side. Therefore, each of the two sides can fix two workpieces 40 to be processed. Therefore, the spindle 34 can machine more faces every time the rotary table 80 rotates, further reducing the number of rotations of the workpiece 40, saving time and improving efficiency. .

In summary, the present invention can simultaneously process at least two faces of the workpiece 40, thereby improving processing efficiency and utilization of the machine tool.

The above is only a part of the embodiments of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the specification and the drawings of the present invention may be directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims (10)

A multi-spindle processing apparatus, comprising: Base a work table disposed on the base for fixing a workpiece to be processed; At least two processing devices disposed on opposite sides of the workbench for processing a workpiece to be processed fixed on the workbench; The two processing devices each include a column and column driving mechanism, a sliding saddle and a sliding saddle driving mechanism, a headstock and a headstock driving mechanism; the column driving mechanism is fixed to the base, and the column is slidably mounted on the column In the driving mechanism, the column driving mechanism drives the column to move in a first direction on the base; the sliding saddle is slidably mounted on the column, and the sliding saddle driving mechanism drives the sliding saddle in the Moving in a second direction on the column; the headstock is slidably mounted on the sliding saddle, and the headstock driving mechanism drives the headstock to move in a third direction on the sliding saddle, the spindle The main shaft is provided with a main shaft; wherein the first direction, the second direction and the third direction are perpendicular to each other, so that the main shaft can process the workpiece to be processed in three dimensions. A multi-spindle processing apparatus according to claim 1, wherein each of said processing means is independent of each other. A multi-spindle processing apparatus according to claim 2, wherein said first direction is parallel to a plane in which said base is located and a direction parallel to a processing surface of said workpiece to be processed; said second direction being perpendicular to The direction of the plane in which the base is located; the third direction is a direction perpendicular to the processing surface of the workpiece to be processed. A multi-spindle processing apparatus according to claim 3, wherein said column driving mechanism comprises a first motor, a first lead screw and a first rail pair; The first lead screw is respectively connected to the first motor and the column, the first rail pair extends in the first direction, one side of the first rail pair is connected to the base, and the other The side is coupled to the column to cause the first motor to drive the first screw to rotate to drive the column to slide on the first rail pair. A multi-spindle processing apparatus according to claim 4, wherein said saddle driving mechanism comprises a second motor, a second lead screw and a second rail pair; The second lead screw is respectively connected to the second motor and the sliding saddle, the second rail pair extends in the second direction, and one side of the second rail pair is connected to the column, and another One side is coupled to the sliding saddle to cause the second motor to drive the second screw to rotate to drive the sliding saddle to slide on the second rail pair. A multi-spindle machining apparatus according to claim 5, wherein said headstock drive mechanism comprises a third motor, a third screw, and a third rail pair; The third lead screw is respectively connected to the third motor and the headstock, the third rail pair extends in the third direction, and one side of the third rail pair is connected to the sliding saddle. The other side is coupled to the headstock such that the third motor drives the third screw to rotate to drive the headstock to slide over the third rail pair. The multi-spindle processing apparatus according to claim 1, wherein a turret is mounted on the table, and the workpiece to be processed is fixed on the turret, and the turret is used to drive the workpiece to be processed to rotate. A multi-spindle processing apparatus according to claim 7, wherein said turntable is further provided with a jig for fixing said workpiece to be processed. A multi-spindle processing apparatus according to claim 8, wherein said jig is a square box jig, and said four sides of said square box jig are provided with fixing stations for fixing said workpiece to be processed. A multi-spindle processing apparatus according to claim 9, wherein one or more of said fixing stations are provided on each side of said square box jig.