Double-station vertical numerical control lathe with servo tailstock

Abstract

The utility model relates to a double-station vertical numerical control lathe with a servo tailstock. The technical problems that an existing two-station workpiece machining mode is too single, and workpieces cannot be automatically fed and discharged are solved. Comprising a lathe bed, a stand column is arranged at the upper end of the lathe bed, a push-back type servo tailstock is arranged in the middle of one side of the stand column, a main shaft assembly is arranged on the lathe bed, and a first station servo tool turret and a second station servo tool turret which can vertically ascend and descend and horizontally move are arranged on the outer side of the stand column. The first station servo tool turret is provided with a first turning assembly and / or a clamping assembly, and the second station servo tool turret is provided with any one or more combinations of a second turning assembly, a milling assembly and a fly cutter assembly. The turning and milling integrated machine tool has the advantages that the turning tool and the clamping assembly are installed on the first station servo tool turret, the turning tool, the milling tool and the fly-cutter assembly are installed on the second station servo tool turret, flexibility is improved, and automatic butt joint with a lathe is achieved through the feeding and discharging rack.

Description

Technical Field

[0001] The utility model belongs to the technical field of CNC lathe equipment, and in particular relates to a double-station vertical CNC lathe with a servo tailstock. Background Art

[0002] As a common equipment for mechanical processing, lathe has a wide range of applications. Vertical lathe is a type of CNC equipment. The difference between a vertical lathe and an ordinary lathe is that its spindle is vertical. Since the processing efficiency of a single-station vertical lathe is poor, most of them use a double-station vertical lathe. Although the existing double-station vertical lathe can improve the processing efficiency, the workpiece processing methods of the two stations are too single and cannot be coordinated, and have certain limitations. At the same time, the turret is not convenient for spacing adjustment. When the lathe is running, the workpiece cannot be automatically loaded and unloaded, and tools are required to assist, which reduces the flexibility of the lathe. Summary of the invention

[0003] The utility model aims to solve the above problems and provides a double-station vertical CNC lathe with a servo tailstock.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a double-station vertical CNC lathe with a servo tailstock, including a bed, a column is provided at the upper end of the bed, a push-type servo tailstock capable of lifting up and down is provided in the middle of one side of the column, a spindle assembly is provided on the bed below and corresponding to the push-type servo tailstock, a first station servo turret on one side of the push-type servo tailstock capable of vertical lifting and horizontal movement and a second station servo turret on the other side of the push-type servo tailstock are provided on the outer side of the column, and a first turning assembly and / or a clamping assembly is installed on the first station servo turret, and any one or more combinations of a second turning assembly, a milling assembly and a flying cutter assembly are installed on the second station servo turret. The device combines the turning function and the milling function, improves the overall flexibility of the lathe, and at the same time, a lathe with a vertical structure is more conducive to chip removal.

[0005] In the above-mentioned double-station vertical CNC lathe with servo tailstock, a chip removal groove is provided on one side of the upper end of the bed, and a chip removal slope is provided on the side of the upper end of the bed away from the chip removal groove and extends downward in the direction of the chip removal groove, and the chip removal slope is located directly below the first station servo turret, the push-back servo tailstock and the second station servo turret. The iron chips generated by processing flow toward the chip removal groove through the chip removal slope, and at the same time, a chip slag cleaning device is provided on the end of the chip removal slope away from the chip removal groove to improve the chip removal and cleaning efficiency.

[0006] In the above-mentioned double-station vertical CNC lathe with servo tailstock, the column is vertically arranged on the side of the chip removal slope, and the bed and the column are connected as an integrated structure, thereby improving the overall rigidity and precision stability of the lathe.

[0007] In the above-mentioned double-station vertical CNC lathe with a servo tailstock, the push-back servo tailstock includes a tailstock slide rail vertically arranged on one side of the column, a tailstock body is slidably arranged on the tailstock slide rail, and a servo electric cylinder is arranged on one side of the upper end of the column through an electric cylinder mounting seat, and the servo electric cylinder is connected to the tailstock body. The push-back servo tailstock is adopted, which does not have a traditional screw drive structure and is directly connected to the tailstock body through the servo electric cylinder, thereby reducing the maintenance of the servo tailstock drive part, saving time and cost.

[0008] In the above-mentioned double-station vertical CNC lathe with a servo tailstock, the outer side of the column is located on one side of the push-back servo tailstock and is slidably provided with a first lifting seat through a first vertical sliding installation component. A first screw sleeve lifting drive mechanism that can drive the first lifting seat to vertically lift and lower is provided between the column and the first lifting seat. A first turret mounting seat is provided on the side of the first lifting seat away from the column through a first horizontal sliding installation component, and a first screw sleeve translation drive mechanism that can drive the first turret mounting seat to move horizontally is provided between the first lifting seat and the first turret mounting seat, and the first-station servo turret is installed on the side of the first turret mounting seat away from the first lifting seat.

[0009] In the above-mentioned double-station vertical CNC lathe with a servo tailstock, the first-station servo turret has a rotatably arranged first turret disk, and has a plurality of first installation stations on the circumferential outer side of the first turret disk. The first turning assembly includes a first turning tool installed on at least one of the plurality of first installation stations, and the clamping assembly includes a pneumatic clamping mechanism installed on at least one of the plurality of first installation stations.

[0010] In the above-mentioned double-station vertical CNC lathe with servo tailstock, a feeding and discharging frame extending outward is provided on the outside of the bed, a feeding and discharging mechanism corresponding to the clamping assembly is provided on the feeding and discharging frame, a loading conveyor belt is provided on one side of the feeding and discharging frame, and a unloading conveyor belt is provided on the other side. The feeding and discharging frame is installed on the side of the bed, realizing the functions of automatic loading and unloading, enabling external workers to pick up and place the workpiece, reducing the use cost, and at the same time, automatically docking with the machine tool to improve production efficiency.

[0011] In the above-mentioned double-station vertical CNC lathe with a servo tailstock, the outer side of the column is located on the side of the push-back servo tailstock away from the first station servo turret, and a second lifting seat is slidably provided through a second vertical sliding installation component. A second screw and screw sleeve lifting drive mechanism that can drive the second lifting seat to lift vertically is provided between the column and the second lifting seat. A second turret mounting seat is provided on the side of the second lifting seat away from the column through a second horizontal sliding installation component, and a second screw and screw sleeve translation drive mechanism that can drive the second turret mounting seat to move horizontally is provided between the second lifting seat and the second turret mounting seat, and the second station servo turret is installed on the side of the second turret mounting seat away from the second lifting seat.

[0012] In the above-mentioned double-station vertical CNC lathe with a servo tailstock, the second-station servo turret has a rotatably arranged second turret disk, and has a plurality of second installation stations on the circumferential outer side of the second turret disk. The second turning assembly includes a second turning tool installed on at least one of the plurality of second installation stations, the milling assembly includes a milling tool installed on at least one of the plurality of second installation stations, and the flying cutter disk assembly includes a flying cutter disk installed on at least one of the plurality of second installation stations.

[0013] In the above-mentioned double-station vertical CNC lathe with servo tailstock, the spindle assembly includes a spindle mounting seat vertically arranged on the chip removal slope, and a vertical electric spindle is rotatably arranged on the spindle mounting seat. The vertical electric spindle cooperates with the tailstock body to facilitate the clamping of the workpiece and the replacement of the fixture.

[0014] Compared with the existing technology, the advantages of the utility model are:

[0015] 1. The device adopts an integrated design of the bed and column, which improves the overall rigidity, precision and long-term stability of the lathe. At the same time, the vertical structure is more conducive to chip removal.

[0016] 2. The first station servo turret of the device can realize turning of the workpiece by multiple turning tools through the first turret plate, and a clamping component is also installed to pick and place the workpiece, which improves flexibility.

[0017] 3. The second station servo turret of the device can be equipped with a turning tool for turning through the second turret disc, can also be equipped with a milling tool for milling, and can also be equipped with a flying cutter disc assembly to perform flash processing on the workpiece, thereby improving practicality.

[0018] 4. The device adopts a push-back servo tailstock, which has no traditional screw drive structure and is directly driven by a servo electric cylinder. The design realizes maintenance-free servo tailstock drive part.

[0019] 5. The device adopts a vertical electric-driven spindle and cooperates with a push-back servo tailstock to facilitate the clamping of workpieces and the replacement of fixtures.

[0020] 6. The device is equipped with a feeding and discharging rack next to the lathe, which can realize the external workers to pick up and place the workpiece and automatically dock with the lathe, saving time and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 It is a structural explosion diagram of the first station servo turret in the utility model.

[0023] Figure 3 It is a structural explosion diagram of the second station servo turret in the utility model.

[0024] Figure 4 It is a structural schematic diagram of a push-back servo tailstock and a spindle assembly in the utility model.

[0025] In the figure: bed 1, column 11, chip removal groove 12, chip removal slope 13, push-back servo tailstock 2, tailstock slide 21, tailstock body 22, electric cylinder mounting seat 23, servo electric cylinder 24, spindle assembly 3, spindle mounting seat 31, vertical electric spindle 32, first station servo turret 4, first turning assembly 41, clamping assembly 42, first turret plate 43, first installation station 44, pneumatic clamping mechanism 45, second station servo turret 5, second turning assembly 51, milling assembly 52, second turret plate 53, second installation station 54, flying cutter plate assembly Part 55, the first vertical sliding installation component 6, the first lifting seat 61, the first screw sleeve lifting drive mechanism 62, the first horizontal sliding installation component 63, the first turret mounting seat 64, the first screw sleeve translation drive mechanism 65, the feeding and discharging frame 7, the feeding and discharging mechanism 71, the loading conveyor belt 72, the unloading conveyor belt 73, the second vertical sliding installation component 8, the second lifting seat 81, the second screw sleeve lifting drive mechanism 82, the second horizontal sliding installation component 83, the second turret mounting seat 84, and the second screw sleeve translation drive mechanism 85. DETAILED DESCRIPTION

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] like Figure 1-4As shown, a double-station vertical CNC lathe with a servo tailstock includes a bed 1, a column 11 is provided at the upper end of the bed 1, a push-type servo tailstock 2 that can be lifted up and down is provided in the middle of one side of the column 11, a spindle assembly 3 is provided on the bed 1, which is located below the push-type servo tailstock 2 and corresponds to the push-type servo tailstock 2, and a first station servo turret 4 and a second station servo turret 5 that can be lifted up and down vertically and moved horizontally are provided on the outer side of the column 11, and a first turning assembly 41 and / or a clamping assembly 42 are installed on the first station servo turret 4, and any one or more combinations of a second turning assembly 51, a milling assembly 52 and a flying cutter assembly 55 are installed on the second station servo turret 5. The device combines the turning function and the milling function, improves the overall flexibility of the lathe, and at the same time, a lathe with a vertical structure is more conducive to chip removal.

[0028] like Figure 1 As shown, a chip removal groove 12 is provided on one side of the upper end of the bed 1, and a chip removal slope 13 is provided on the side of the upper end of the bed 1 away from the chip removal groove 12, which is inclined and extends downward in the direction of the chip removal groove 12, and the chip removal slope 13 is located directly below the first station servo turret 4, the push-back servo tailstock 2 and the second station servo turret 5. The iron chips generated by the processing flow toward the chip removal groove 12 through the chip removal slope 13, and at the same time, a chip slag cleaning device is provided on the end of the chip removal slope 12 away from the chip removal groove 12 to improve the chip removal and cleaning efficiency.

[0029] The column 11 is vertically arranged on the side of the chip removal slope 13, and the bed 1 and the column 11 are connected as an integrated structure, thereby improving the overall rigidity and precision stability of the lathe.

[0030] like Figure 4 As shown, the push-back servo tailstock 2 includes a tailstock slide rail 21 vertically arranged on one side of the column 11, a tailstock body 22 is slidably arranged on the tailstock slide rail 21, and a servo electric cylinder 24 is arranged on one side of the upper end of the column 11 through an electric cylinder mounting seat 23, and the servo electric cylinder 24 is connected to the tailstock body 22. The push-back servo tailstock 2 is adopted, and the push-back type does not have a traditional screw drive structure, and the tailstock body 22 is directly connected through the servo electric cylinder 24, so that the maintenance of the servo tailstock drive part is reduced, saving time and cost.

[0031] like Figure 2As shown, the outer side of the column 11 is located on one side of the push-back servo tailstock 2 and is slidably provided with a first lifting seat 61 through a first vertical sliding installation component 6, and a first screw sleeve lifting drive mechanism 62 that can drive the first lifting seat 61 to vertically lift is provided between the column 11 and the first lifting seat 61, and a first turret mounting seat 64 is provided on the side of the first lifting seat 61 away from the column 11 through a first horizontal sliding installation component 63, and a first screw sleeve translation drive mechanism 65 that can drive the first turret mounting seat 64 to move horizontally is provided between the first lifting seat 61 and the first turret mounting seat 64, and the first station servo turret 4 is installed on the side of the first turret mounting seat 64 away from the first lifting seat 61.

[0032] Among them, the first-station servo turret 4 has a rotatably arranged first turret disk 43, and has a plurality of first installation stations 44 on the circumferential outer side of the first turret disk 43. The first turning assembly 41 includes a first turning tool installed on at least one first installation station 44 among the plurality of first installation stations 44, and the clamping assembly 42 includes a pneumatic clamping mechanism 45 installed on at least one first installation station 44 among the plurality of first installation stations 44.

[0033] like Figure 1 As shown, a feeding and discharging frame 7 extending outward is provided on the outside of the bed 1, and a feeding and discharging mechanism 71 corresponding to the clamping assembly 42 is provided on the feeding and discharging frame 7, and a loading conveyor belt 72 is provided on one side of the feeding and discharging frame 7 and a unloading conveyor belt 73 is provided on the other side. The feeding and discharging frame 7 is installed on the side of the bed 1, and the functions of automatic loading and unloading are realized, and the workpiece can be picked up and placed by an external worker, reducing the use cost, and at the same time, it is connected with the machine tool automation to improve the production efficiency.

[0034] like Figure 3 As shown, the outer side of the column 11 is located at the side of the push-back servo tailstock 2 away from the first-station servo turret 4, and a second lifting seat 81 is slidably provided through a second vertical sliding installation component 8, and a second screw sleeve lifting drive mechanism 82 that can drive the second lifting seat 81 to vertically lift is provided between the column 11 and the second lifting seat 81, and a second turret mounting seat 84 is provided on the side of the second lifting seat 81 away from the column 11 through a second horizontal sliding installation component 83, and a second screw sleeve translation drive mechanism 85 that can drive the second turret mounting seat 84 to move horizontally is provided between the second lifting seat 81 and the second turret mounting seat 84, and the second-station servo turret 5 is installed on the side of the second turret mounting seat 84 away from the second lifting seat 81.

[0035] Among them, the second-station servo turret 5 has a rotatably arranged second turret disk 53, and has a plurality of second installation stations 54 on the circumferential outer side of the second turret disk 53. The second turning assembly 51 includes a second turning tool installed on at least one second installation station 54 among the plurality of second installation stations 54. The milling assembly 52 includes a milling tool installed on at least one second installation station 54 among the plurality of second installation stations 54. The flying cutter disk assembly 55 includes a flying cutter disk installed on at least one second installation station 54 among the plurality of second installation stations 54.

[0036] like Figure 4 As shown, the spindle assembly 3 includes a spindle mounting seat 31 vertically arranged on the chip removal inclined surface 13, and a vertical electric spindle 32 is rotatably arranged on the spindle mounting seat 31. The vertical electric spindle 32 cooperates with the tailstock body 22 to facilitate the clamping of the workpiece and the replacement of the fixture.

[0037] The principle of this embodiment is:

[0038] The workpiece to be processed is placed on the loading conveyor belt 72, and the feeding and discharging mechanism 71 clamps the workpiece to be processed and sends it to the first station servo turret 4, and then it is clamped by the clamping assembly 42 on the first station servo turret 4, and the clamped workpiece to be processed is placed between the push-back servo tailstock 2 and the vertical electric spindle 32, and then the servo electric cylinder 24 is driven to fix the workpiece to be processed, and then the first turning assembly 41 on the first station servo turret 4 and the second turning assembly 51, milling assembly 52 and flying cutter assembly 55 on the second station servo turret 5 process the workpiece to be processed. After the processing is completed, the clamping assembly 42 on the first station servo turret 4 sends the processed workpiece to the feeding and discharging mechanism 71, and places it on the unloading conveyor belt 73 through the feeding and discharging mechanism 71.

[0039] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0040] Although this article makes more use of the bed 1, column 11, chip groove 12, chip slope 13, push-back servo tailstock 2, tailstock slide 21, tailstock body 22, electric cylinder mounting seat 23, servo electric cylinder 24, spindle assembly 3, spindle mounting seat 31, vertical electric spindle 32, first station servo turret 4, first turning assembly 41, clamping assembly 42, first turret plate 43, first installation station 44, pneumatic clamping mechanism 45, second station servo turret 5, second turning assembly 51, milling assembly 52, second turret plate 53, second installation station 54, flying cutter disc assembly 55, first The terms vertical sliding mounting assembly 6, first lifting seat 61, first screw sleeve lifting drive mechanism 62, first horizontal sliding mounting assembly 63, first turret mounting seat 64, first screw sleeve translation drive mechanism 65, feeding and discharging frame 7, feeding and discharging mechanism 71, loading conveyor belt 72, unloading conveyor belt 73, second vertical sliding mounting assembly 8, second lifting seat 81, second screw sleeve lifting drive mechanism 82, second horizontal sliding mounting assembly 83, second turret mounting seat 84, second screw sleeve translation drive mechanism 85, etc., but the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A double-station vertical CNC lathe with a servo tailstock, comprising a bed (1), a column (11) being provided at the upper end of the bed (1), characterized in that: A push-back servo tailstock (2) capable of being raised and lowered is provided in the middle of one side of the column (11); a spindle assembly (3) located below the push-back servo tailstock (2) and corresponding to the push-back servo tailstock (2) is provided on the bed (1); a first station servo turret (4) located on one side of the push-back servo tailstock (2) and a second station servo turret (5) located on the other side of the push-back servo tailstock (2) capable of being raised and lowered vertically and moved horizontally are provided on the outer side of the column (11); a first turning assembly (41) and / or a clamping assembly (42) are installed on the first station servo turret (4); and any one or more combinations of a second turning assembly (51), a milling assembly (52) and a flying cutter assembly (55) are installed on the second station servo turret (5).

2. A double-station vertical CNC lathe with a servo tailstock according to claim 1, characterized in that: A chip removal groove (12) is provided on one side of the upper end of the bed (1), and a chip removal slope (13) is provided on the side of the upper end of the bed (1) away from the chip removal groove (12) and extending downwardly in the direction of the chip removal groove (12), and the chip removal slope (13) is located directly below the first station servo turret (4), the push-back servo tailstock (2) and the second station servo turret (5).

3. A double-station vertical CNC lathe with a servo tailstock according to claim 2, characterized in that: The upright column (11) is vertically arranged on the side of the chip removal slope (13), and the bed (1) and the upright column (11) are connected to form an integrated structure.

4. A double-station vertical CNC lathe with a servo tailstock according to claim 1, 2 or 3, characterized in that: The push-back servo tailstock (2) comprises a tailstock slide rail (21) vertically arranged on one side of a column (11), a tailstock body (22) is slidably arranged on the tailstock slide rail (21), and a servo electric cylinder (24) is arranged on one side of the upper end of the column (11) through an electric cylinder mounting seat (23), and the servo electric cylinder (24) is connected to the tailstock body (22).

5. A double-station vertical CNC lathe with a servo tailstock according to claim 1, 2 or 3, characterized in that: The outer side of the column (11) is located on one side of the push-back servo tailstock (2) and is slidably provided with a first lifting seat (61) through a first vertical sliding installation component (6); a first screw sleeve lifting drive mechanism (62) capable of driving the first lifting seat (61) to vertically lift is provided between the column (11) and the first lifting seat (61); a first turret mounting seat (64) is provided on the side of the first lifting seat (61) away from the column (11) through a first horizontal sliding installation component (63); a first screw sleeve translation drive mechanism (65) capable of driving the first turret mounting seat (64) to horizontally move is provided between the first lifting seat (61) and the first turret mounting seat (64); and the first station servo turret (4) is installed on the side of the first turret mounting seat (64) away from the first lifting seat (61).

6. A double-station vertical CNC lathe with a servo tailstock according to claim 5, characterized in that: The first-station servo turret (4) has a rotatably arranged first turret disk (43), and a plurality of first installation stations (44) are provided on the circumferential outer side of the first turret disk (43); the first turning assembly (41) includes a first turning tool installed on at least one first installation station (44) among the plurality of first installation stations (44); and the clamping assembly (42) includes a pneumatic clamping mechanism (45) installed on at least one first installation station (44) among the plurality of first installation stations (44).

7. A double-station vertical CNC lathe with a servo tailstock according to claim 6, characterized in that: A feeding and discharging frame (7) extending outward is provided on the outside of the bed (1); a feeding and discharging mechanism (71) corresponding to the clamping assembly (42) is provided on the feeding and discharging frame (7); a loading conveyor belt (72) is provided on one side of the feeding and discharging frame (7) and a unloading conveyor belt (73) is provided on the other side.

8. A double-station vertical CNC lathe with a servo tailstock according to claim 1, 2 or 3, characterized in that: The outer side of the column (11) is located at the side of the push-back servo tailstock (2) away from the first station servo turret (4), and is slidably provided with a second lifting seat (81) through a second vertical sliding installation component (8); a second screw sleeve lifting drive mechanism (82) capable of driving the second lifting seat (81) to vertically lift is provided between the column (11) and the second lifting seat (81); a second turret mounting seat (84) is provided on the side of the second lifting seat (81) away from the column (11) through a second horizontal sliding installation component (83); a second screw sleeve translation drive mechanism (85) capable of driving the second turret mounting seat (84) to horizontally move is provided between the second lifting seat (81) and the second turret mounting seat (84); and the second station servo turret (5) is installed on the side of the second turret mounting seat (84) away from the second lifting seat (81).

9. The double-station vertical CNC lathe with a servo tailstock according to claim 1, characterized in that: The second-station servo turret (5) has a rotatably arranged second turret disk (53), and has a plurality of second mounting stations (54) on the circumferential outer side of the second turret disk (53). The second turning assembly (51) includes a second turning tool installed on at least one second mounting station (54) among the plurality of second mounting stations (54). The milling assembly (52) includes a milling tool installed on at least one second mounting station (54) among the plurality of second mounting stations (54). The flying cutter disk assembly (55) includes a flying cutter disk installed on at least one second mounting station (54) among the plurality of second mounting stations (54).

10. A double-station vertical CNC lathe with a servo tailstock according to claim 2, characterized in that: The spindle assembly (3) comprises a spindle mounting seat (31) vertically arranged on the chip removal inclined surface (13), and a vertical electric spindle (32) is rotatably arranged on the spindle mounting seat (31).

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