CN209918898U - Narrow-spacing shaft type vertical multi-spindle numerical control lathe - Google Patents
Narrow-spacing shaft type vertical multi-spindle numerical control lathe Download PDFInfo
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- CN209918898U CN209918898U CN201920384008.0U CN201920384008U CN209918898U CN 209918898 U CN209918898 U CN 209918898U CN 201920384008 U CN201920384008 U CN 201920384008U CN 209918898 U CN209918898 U CN 209918898U
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Abstract
The utility model provides a vertical many main shafts numerical control lathe of narrow-spacing axle type, it mainly comprises multiunit main shaft unit, X to numerical control slip table, Z to numerical control slip table, numerical control capstan head knife rest, centre seat group and a set of frame, its characterized in that: the numerical control lathe is formed by combining two or more than two vertical numerical control lathes with a top seat in parallel; a hole for the X-direction numerical control sliding table to freely move up and down in the effective stroke of the Z-direction numerical control sliding table is manufactured in the middle of a sliding seat of the Z-direction numerical control sliding table of each vertical numerical control lathe with the center seat; the X-direction numerical control sliding table and the Z-direction numerical control sliding table are vertically arranged, the X-direction numerical control sliding table is horizontally arranged, and the moving rail direction of the X-direction numerical control sliding table is in the front-back direction relative to an operator; the sliding seat of the X-direction numerical control sliding table and the sliding plate of the Z-direction numerical control sliding table are manufactured into a whole and are vertical to each other; the multi-spindle numerical control lathe is compact in space, convenient to maintain and long in axial stroke, can machine parts of medium and long shafts by being provided with the tip seat group, and is very suitable for high-efficiency machining of large and medium-batch shaft parts.
Description
Technical Field
The invention relates to a numerical control lathe, in particular to a narrow-spacing shaft type vertical multi-spindle numerical control lathe.
Background
With the joyful and development of the national equipment manufacturing industry, the numerical control machine tool is a mainstream product of the machine tool industry and becomes a key device for realizing the modernization of the equipment manufacturing industry. The conventional numerical control lathe occupies a large area, and workers need to walk for a large distance when operating multiple machines, so that the labor intensity of the workers is increased, and the working efficiency is influenced; in addition, as the land resources shrink, the cost of the processing site becomes higher and higher, and therefore, it is desired that the equipment be more compact and miniaturized, thereby increasing the volume ratio of the workshop and reducing the management cost. The turning of the middle and long shaft parts generally needs a centre to support the tail, and the equipment occupies a large special space, so that a numerical control lathe for processing the middle and long shaft parts with compact operation space and convenient maintenance is urgently needed.
Disclosure of Invention
The invention aims to provide a vertical multi-spindle numerical control lathe for machining middle and long shaft parts, which has compact operation space and convenient maintenance.
In order to achieve the above purpose, the invention adopts the following technical scheme: it mainly comprises multiunit main shaft unit, X to numerical control slip table, Z to numerical control slip table, numerical control capstan head knife rest, top seat group and a set of frame, its characterized in that: the main shaft unit and the machine base are manufactured or fixed into a whole, the main shaft unit is vertically arranged at the lower part of the machine base, and a workpiece clamping part of the main shaft unit faces upwards; the rotation axis of the main shaft unit is parallel to the moving track of the Z-direction numerical control sliding table; the sliding seat of the Z-direction numerical control sliding table and the base are manufactured or fixed into a whole, and a hole for the X-direction numerical control sliding table and the numerical control turret tool rest to freely move up and down in the effective stroke of the Z-direction numerical control sliding table is manufactured in the middle of the sliding seat of the Z-direction numerical control sliding table; the X-direction numerical control sliding table and the Z-direction numerical control sliding table are vertically arranged, the X-direction numerical control sliding table is horizontally arranged, and the moving rail direction of the X-direction numerical control sliding table is in the front-back direction relative to an operator; the sliding seat of the X-direction numerical control sliding table and the sliding plate of the Z-direction numerical control sliding table are manufactured into a whole and are vertical to each other; a hole for the sliding plate of the X-direction numerical control sliding table to freely pass through is formed in the middle of the sliding plate of the Z-direction numerical control sliding table; the multiple groups of numerical control sliding tables in the X direction and the Z direction can move independently; the multiple groups of spindle units are arranged in parallel, and a numerical control turret tool rest is arranged on a sliding plate of each X-direction numerical control sliding table; the top of the machine base is provided with a centre seat group, and the centre axial lead is coincided with the axial lead of the main shaft unit. The rotation axis of the numerical control turret tool rest is vertical to the motion track of the X-direction numerical control sliding table, a cutter disc of the numerical control turret tool rest faces a workpiece clamping part of the spindle unit, and chip removal holes are formed between the spindle unit and the base.
The numerical control sliding table comprises a sliding seat, a sliding plate, a guide rail and a numerical control driving mechanism, wherein the numerical control driving mechanism drives the sliding plate to generate accurate displacement motion relative to the sliding seat; the guide rail can be manufactured into a whole with the sliding seat or the sliding plate or can be separated from the sliding seat or the sliding plate, such as a sliding hard rail and a linear rolling guide rail; the numerical control driving mechanism preferably adopts a driving mechanism of a numerical control motor and a screw rod group, and adopts a servo linear motor in the second selection. For convenience of description, the sliding seat in the invention refers to the stationary side of the sliding table, and the sliding plate refers to the moving side of the sliding table.
For convenience of description, the up-down direction facing the human is taken as the Z direction, and the front-back direction facing the human is taken as the X direction; it is also understood that the axial direction of the spindle unit is the Z direction and the radial direction of the spindle unit is the X direction.
For the further improvement of the technical scheme, the spindle unit is an electric spindle unit, so that the vibration can be reduced, the rotating speed can be increased, and in addition, the electric spindle unit is convenient to install and simple in appearance structure.
As a further improvement of the technical scheme, the numerical control driving mechanism of the Z-direction numerical control sliding table adopts a driving mechanism of a numerical control motor and a screw rod group, and is characterized in that: the screw rod is fixedly arranged on a sliding plate of the Z-direction numerical control sliding table and cannot rotate and axially move; the numerical control motor and the nut seat are arranged on the tip seat group or the base, the screw rod is upward, and the screw rod nut is arranged in the nut seat through a pair of bearings, can rotate but cannot axially move; the numerical control motor and the screw rod nut are respectively provided with a synchronous belt wheel, and the two synchronous belt wheels are connected by a synchronous belt; the structure has compact space and convenient maintenance, and is convenient for the long stroke of the screw rod.
The invention has the beneficial effects that: the multi-spindle shaft part machining device is simple in structure, small in space, convenient to maintain and long in axial stroke, can machine medium and long shaft parts due to the fact that the center seat group is arranged, is multi-spindle equipment, can synchronously turn multiple units during machining, is high in efficiency, and is very suitable for machining large and medium batch shaft parts.
Drawings
Fig. 1 is a schematic three-dimensional structure of a first embodiment of the present invention.
Fig. 2 is a schematic side view of the first embodiment of the present invention.
Fig. 3 is a schematic structural view of the X-direction and Z-direction sliding tables according to the first embodiment of the present invention.
Fig. 4 is a front three-dimensional schematic view of an X-direction and Z-direction slip joint in accordance with a first embodiment of the present invention.
Fig. 5 is a side three-dimensional schematic view of a first embodiment of the slip in the X and Z directions of the slip joint in accordance with the present invention.
Fig. 6 is an enlarged view of a portion K of fig. 2.
Fig. 7 is a schematic side view of the second embodiment of the present invention.
Fig. 8 is a schematic front three-dimensional structure of a third embodiment of the present invention.
Fig. 9 is a rear three-dimensional structure diagram of a third embodiment of the present invention.
Fig. 10 is a schematic side view of the third embodiment of the present invention.
Fig. 11 is a schematic structural view of the X-direction and Z-direction slide table according to the third embodiment of the present invention.
In the figure: 1 is a main shaft unit, 2 is an X-direction numerical control sliding table, 3 is a Z-direction numerical control sliding table, 4 is a numerical control turret tool rest,
5 is a centre seat group, 6 is a machine base, 7 is a spindle seat, 8 is a workpiece clamping part of the spindle unit, 9 is a hole for the X-direction numerical control sliding table to freely move up and down in the effective stroke of the Z-direction numerical control sliding table, 10 is a hole for the spindle seat between the spindle unit and the machine base to be manufactured with chip removal holes, 11 is a sliding seat of the X-direction numerical control sliding table, 12 is a sliding plate of the Z-direction numerical control sliding table, 13 is a hole for the X-direction numerical control sliding table to freely pass through, 14 is a sliding plate of the X-direction numerical control sliding table, 15 is a numerical control motor, 16 is a screw rod, 17 is a nut seat, 18 is a screw rod nut, 19 is an angular contact bearing, 20 is a synchronous belt wheel, 21 is a synchronous belt, and 22 is a hole for the front side of the machine base for.
Detailed Description
Referring to fig. 1 and 2, an embodiment 1 shown in fig. 1 adopts a double-spindle upright numerical control lathe structure, which mainly comprises two groups of spindle units 1, an X-direction numerical control sliding table 2, a Z-direction numerical control sliding table 3, a numerical control turret tool rest 4, a tip seat group 5 and a group of machine seats 6, and is characterized in that: the main shaft unit 1 is fixed with the machine base 6 into a whole through a main shaft seat 7, the main shaft unit 1 is vertically arranged at the lower part of the machine base 6, and a workpiece clamping part 8 of the main shaft unit 1 faces upwards; the rotation axis of the main shaft unit 1 is parallel to the moving track of the Z-direction numerical control sliding table 3; the sliding seat of the Z-direction numerical control sliding table 3 and the base 6 are manufactured into a whole, and a hole 9 for the X-direction numerical control sliding table 2 and the numerical control turret tool rest 4 to freely move up and down in the effective stroke of the Z-direction numerical control sliding table 3 is manufactured in the middle of the sliding seat of the Z-direction numerical control sliding table 3; the X-direction numerical control sliding table 2 and the Z-direction numerical control sliding table 3 are vertically arranged, the X-direction numerical control sliding table 2 is horizontally arranged, and the moving rail direction of the X-direction numerical control sliding table 2 is in the front-back direction relative to an operator; the multiple groups of numerical control sliding tables in the X direction and the Z direction can move independently; a plurality of groups of spindle units are arranged in parallel, and a numerical control turret tool rest 4 is arranged on a sliding plate of each X-direction numerical control sliding table 2; the upper part of the machine base 6 is provided with a centre seat group 5, and the centre axis is coincided with the axis of the main shaft unit 1. The rotation axis of the numerical control turret tool rest 4 is vertical to the motion track of the X-direction numerical control sliding table 2, a cutter disc of the numerical control turret tool rest 4 faces a workpiece clamping part 8 of the spindle unit, and a spindle seat 7 between the spindle unit 1 and the machine seat 6 is provided with a chip removal hole 10.
The sliding seat 11 of the X-direction numerical control sliding table and the sliding plate 12 of the Z-direction numerical control sliding table in the embodiment 1 shown by referring to FIGS. 3, 4 and 5 are manufactured into a whole and are perpendicular to each other; a hole 13 for a sliding plate 14 of the X-direction numerical control sliding table to freely pass through is manufactured in the middle of a sliding plate 12 of the Z-direction numerical control sliding table. A hole 13 for the sliding plate 14 of the X-direction numerical control sliding table to freely pass through is not manufactured in the middle of the sliding plate 12 of the Z-direction numerical control sliding table, and the sliding plate 14 of the X-direction numerical control sliding table freely passes through the side surface of the sliding plate 12 of the Z-direction numerical control sliding table; the strength of the mode is weak, the whole unit interval is also increased, but the manufacture is easier; it may therefore also be a sub-alternative of the present invention.
Referring to fig. 3, 4 and 5, the X-direction numerical control slipway of embodiment 1 is an overhanging slipway structure; namely, the length of the sliding plate 14 in the moving direction is greater than that of the sliding seat 11, and the sliding plate 14 is suspended outside the sliding seat 11 when in work; the numerically controlled turret tool head 4 is mounted on a slide 14 near the end 1 of the spindle unit and at the overhanging end of the slide 14.
Referring to fig. 2, 3 and 6, the numerical control driving mechanism of the Z-direction numerical control sliding table 3 in embodiment 1 adopts a driving mechanism of a numerical control motor and a screw rod group, and is characterized in that: the screw rod 16 is fixedly arranged on the sliding plate 12 of the Z-direction numerical control sliding table and cannot rotate and axially move; the numerical control motor 15 and the nut seat 17 are arranged on the center seat group 5, the screw rod 16 faces upwards, and the screw rod nut 18 is arranged in the nut seat 17 through a pair of angular contact bearings 19 and can rotate but cannot move axially; the numerical control motor 15 and the screw nut 18 are respectively provided with a synchronous belt wheel 20, and the two synchronous belt wheels are connected by a synchronous belt 21; the structure has compact space and convenient maintenance, and is convenient for the long stroke of the screw rod.
Referring to embodiment 3 shown in fig. 8, 9, 10 and 11, the main difference from embodiment 1 is that: a hole 9 for the X-direction numerical control sliding table and the numerical control turret tool rest to freely move up and down in the effective stroke of the Z-direction numerical control sliding table is manufactured in the middle of the sliding seat of the Z-direction numerical control sliding table and is arranged at the front end of the sliding plate 12 of the Z-direction numerical control sliding table instead of the rear end, and the sliding seat of the Z-direction numerical control sliding table and the machine base are also manufactured into a whole; in addition, the front surface of the machine base 6 is also provided with a hole 22 for the free up-and-down movement of the center seat group 5 in the effective length stroke of the processed workpiece, and in addition, the numerical control turret tool rest 4 can be used for replacing the blade and loading and unloading the processed workpiece on the workpiece clamping part 8 of the main shaft unit; example 3 the spindle stock 7 is manufactured in one piece with the bed 6.
The greatest advantage of embodiment 3 over embodiment 1 is that it is easier to mount the tip holder set 5 securely, and the structure is simplified and the manufacturing cost is reduced.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention; for example, the second embodiment shown in fig. 7, the upright vehicle structure of the first embodiment is changed to an inverted vehicle structure; it is also within the scope of the invention.
Claims (9)
1. The utility model provides a vertical many main shafts numerical control lathe of narrow-spacing axle type, it mainly comprises multiunit main shaft unit, X to numerical control slip table, Z to numerical control slip table, numerical control capstan head knife rest, centre seat group and a set of frame, its characterized in that: the main shaft unit and the machine base are manufactured or fixed into a whole, the main shaft unit is vertically arranged at the lower part of the machine base, and a workpiece clamping part of the main shaft unit faces upwards; the rotation axis of the main shaft unit is parallel to the moving track of the Z-direction numerical control sliding table; the sliding seat of the Z-direction numerical control sliding table and the base are manufactured or fixed into a whole, and a hole for the X-direction numerical control sliding table and the numerical control turret tool rest to freely move up and down in the effective stroke of the Z-direction numerical control sliding table is manufactured in the middle of the sliding seat of the Z-direction numerical control sliding table; the X-direction numerical control sliding table and the Z-direction numerical control sliding table are vertically arranged, the X-direction numerical control sliding table is horizontally arranged, and the moving rail direction of the X-direction numerical control sliding table is in the front-back direction relative to an operator; the sliding seat of the X-direction numerical control sliding table and the sliding plate of the Z-direction numerical control sliding table are manufactured into a whole and are vertical to each other; the multiple groups of numerical control sliding tables in the X direction and the Z direction can move independently; the multiple groups of spindle units are arranged in parallel, and a numerical control turret tool rest is arranged on a sliding plate of each X-direction numerical control sliding table; the top of the machine base is provided with a centre seat group, and the centre axial lead is coincided with the axial lead of the main shaft unit.
2. The narrow-pitch shaft vertical multi-spindle numerically controlled lathe according to claim 1, characterized in that: and a hole for the sliding plate of the X-direction numerical control sliding table to freely pass through is formed in the middle of the sliding plate of the Z-direction numerical control sliding table.
3. The narrow-pitch shaft vertical multi-spindle numerically controlled lathe according to claim 1 or 2, characterized in that: the rotation axis of the numerical control turret tool rest is perpendicular to the motion track of the X-direction numerical control sliding table, and the cutter disc of the numerical control turret tool rest faces the workpiece clamping part of the spindle unit.
4. The narrow-pitch shaft vertical multi-spindle numerically controlled lathe according to any one of claims 1 to 2, characterized in that: the screw rod is fixedly arranged on a sliding plate of the Z-direction numerical control sliding table and cannot rotate and axially move; the numerical control motor and the nut seat are arranged on the tip seat group or the base, the screw rod is upward, and the screw rod nut is arranged in the nut seat through a pair of bearings, can rotate but cannot axially move; the numerical control motor and the screw rod nut are respectively provided with a synchronous belt wheel, and the two synchronous belt wheels are connected by a synchronous belt.
5. The narrow-pitch shaft vertical multi-spindle numerically controlled lathe according to any one of claims 1 to 2, characterized in that: the X-direction numerical control sliding table is of an overhanging sliding table structure; namely, the length of the sliding plate in the moving direction is greater than that of the sliding seat, and the sliding plate is suspended outside the sliding seat when working; the numerical control turret tool rest is arranged on a sliding plate close to the end of the main shaft unit and is positioned at the overhanging end of the sliding plate.
6. The narrow-pitch shaft vertical multi-spindle numerically controlled lathe according to any one of claims 1 to 2, characterized in that: a chip removal hole is formed between the main shaft unit and the machine base.
7. The narrow-pitch shaft vertical multi-spindle numerically controlled lathe according to any one of claims 1 to 2, characterized in that: the spindle unit is an electric spindle unit.
8. The narrow-pitch shaft vertical multi-spindle numerically controlled lathe according to any one of claims 1 to 2, characterized in that: the middle part of the sliding seat of the Z-direction numerical control sliding table is provided with a hole for the X-direction numerical control sliding table and the numerical control turret tool rest to freely move up and down in the effective stroke of the Z-direction numerical control sliding table at the front end of the sliding plate of the Z-direction numerical control sliding table, and the sliding seat of the Z-direction numerical control sliding table and the machine base are manufactured into a whole.
9. The narrow-pitch shaft vertical multi-spindle numerically controlled lathe according to claim 8, characterized in that: the front surface of the machine base is also provided with a hole for the center seat group to freely move up and down in the length stroke of an effective processing workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384008.0U CN209918898U (en) | 2019-03-25 | 2019-03-25 | Narrow-spacing shaft type vertical multi-spindle numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920384008.0U CN209918898U (en) | 2019-03-25 | 2019-03-25 | Narrow-spacing shaft type vertical multi-spindle numerical control lathe |
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| Publication Number | Publication Date |
|---|---|
| CN209918898U true CN209918898U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920384008.0U Active CN209918898U (en) | 2019-03-25 | 2019-03-25 | Narrow-spacing shaft type vertical multi-spindle numerical control lathe |
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| CN (1) | CN209918898U (en) |
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- 2019-03-25 CN CN201920384008.0U patent/CN209918898U/en active Active
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