CN210849182U - Novel numerical control milling machine rotary worktable mechanism - Google Patents
Novel numerical control milling machine rotary worktable mechanism Download PDFInfo
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- CN210849182U CN210849182U CN201921875275.4U CN201921875275U CN210849182U CN 210849182 U CN210849182 U CN 210849182U CN 201921875275 U CN201921875275 U CN 201921875275U CN 210849182 U CN210849182 U CN 210849182U
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- workbench
- workstation
- sliding seat
- numerically controlled
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Abstract
The utility model discloses a novel numerically controlled fraise machine gyration workstation mechanism, include: the utility model relates to a novel numerically controlled fraise machine gyration workstation mechanism's beneficial effect is simple structure, operates steadily, and the workstation slide on the workstation lathe bed passes through the drive of two high accuracy ball screw devices of bi-motor and removes, the slide clamp plate is installed to the upper end slidable mounting of workstation lathe bed, the slide clamp plate is installed to workstation slide and lower extreme, the ball screw device is installed to the both sides of workstation slide, the upper end of workstation slide is rotated and is installed table surface, table surface's lower extreme is fixed with the center bearing structure, the precision of removing when guaranteeing the workstation heavy load.
Description
Technical Field
The utility model relates to a numerically controlled fraise machine revolving platform technical field especially relates to a novel numerically controlled fraise machine revolving table mechanism.
Background
The rotary worktable is a rotatable table surface on the numerical control milling machine and a machine tool accessory used for clamping workpieces and realizing rotation and indexing positioning, and when the rotary worktable is used for processing, an arc surface, an arc groove and the like can be processed. At present, the structure of the rotary table of the domestic numerical control milling machine generally adopts the following structural mode: the rotary support guide rail adopts an open type static pressure guide rail support mode; the positioning device adopts a positioning oil cylinder (provided with a positioning pin) arranged on the rotary sliding seat to be matched with a positioning pin hole below the working table surface to complete positioning; the clamping device adopts a clamping oil cylinder fixed on the rotary seat to beat a T-shaped groove processed at the lower part of the working table to complete clamping. Such a structural turntable has the following disadvantages: because the rotary support adopts a starting static pressure support guide rail support mode, when the weight of a workpiece deviates from the center, the worktable is overturned, and the working precision of the worktable is influenced; the positioning structure is complicated, the processing and assembling requirements are high, in addition, the clamping position of the brake oil cylinder in the clamping device deviates from the guide rail far away, and the local deformation of the working table surface is serious when the brake is remotely performed, so that the working table can only realize simple indexing and positioning functions, and the high requirements of part precision processing on heavy load, high-precision positioning and linkage cutting of the rotary working table cannot be met.
Disclosure of Invention
Utility model purpose: the utility model discloses the internal numerically controlled fraise machine swivel work head that will solve rotates unstably, and work piece bearing capacity is poor, the poor technical problem of workstation positioning accuracy, the utility model provides a novel numerically controlled fraise machine swivel work head mechanism.
The technical scheme is as follows: the utility model provides a novel numerically controlled fraise machine gyration workstation mechanism, includes: the automatic numerical control machine comprises a workbench lathe bed, wherein a workbench sliding seat is slidably mounted at the upper end of the workbench lathe bed, sliding seat pressing plates are mounted at the lower end of the workbench sliding seat, ball screw devices are mounted at two sides of the workbench sliding seat, a workbench top is rotatably mounted at the upper end of the workbench sliding seat, a central bearing structure is fixed at the lower end of the workbench top, the lower end of the central bearing structure is fixed at the center of the workbench sliding seat, two ends of the workbench top are connected with workbench high-precision gear rings, servo driving motors are respectively fixed on the workbench sliding seat below the workbench high-precision gear rings, pinions are respectively connected on the servo driving motors and meshed with the high-precision gear rings, 4 groups of static pressing plates are fixed on the workbench sliding seat, static pressure guide surfaces are connected on the static pressure pressing plates and are pressed on the high-precision gear rings, and a static pressure oil cavity is arranged on the static pressure guide rail surface, and a locking piston is arranged in the static pressure oil cavity.
Preferably, the stator is installed in the outside of center bearing structure, double row bearing roller bearing is installed in the outside of stator, double row bearing roller bearing and table surface erection joint, high accuracy rotary encoder is installed to the upside of center bearing structure.
Preferably, the rear end of the ball screw device is connected with a slide seat driving motor device.
Preferably, the static pressure plate is provided with 7 groups of locking pistons.
Preferably, a grating ruler is installed on the workbench lathe bed on the right side of the workbench sliding seat.
Preferably, the workbench lathe bed and the workbench sliding seat are made of high-strength low-alloy structural steel.
The utility model relates to a novel numerically controlled fraise machine gyration workstation mechanism's beneficial effect is simple structure, operates steadily, and the workstation slide on the workstation lathe bed is moved through the drive of two motor pair high accuracy ball screw devices, guarantees the precision that the workstation moved when heavily loaded; the double-motor double-gear driving device is used for driving the gear ring and is matched with the closed static pressure guide rail, so that the high-precision continuous rotation of the workbench can be realized; the positioning and clamping mechanism is arranged in the guide rail at the upper part of the closed hydrostatic guide rail and is locked by the locking piston when being clamped, the deformation of the workbench can not be caused during locking, each transmission chain of the structure adopts closed-loop control, the heavy load, high rotation and linkage processing of the rotary workbench can be realized, and meanwhile, the processing precision of the workbench is higher.
Drawings
Fig. 1 is the structure schematic diagram of the novel numerically controlled milling machine rotary table mechanism of the utility model.
Fig. 2 is the utility model relates to a novel numerically controlled fraise machine gyration workstation mechanism's top view.
Fig. 3 is a schematic structural view of the static pressure plate of the present invention.
Fig. 4 is a schematic structural diagram of the central bearing structure of the present invention.
Fig. 5 is a schematic structural diagram of the locking piston of the present invention.
Detailed Description
The invention will be further elucidated by means of specific embodiments in the following description, in conjunction with the drawings, in which: for those skilled in the art, modifications of the invention in various equivalent forms will fall within the scope of the appended claims without departing from the principles of the invention.
Examples
As shown in fig. 1 to 5, a novel numerical control milling machine rotary table mechanism includes: the automatic numerical control lathe comprises a workbench lathe bed 1, wherein a workbench sliding seat 2 is slidably mounted at the upper end of the workbench lathe bed 1, sliding seat press plates 3 are mounted at the lower end of the workbench sliding seat 2, ball screw devices 4 are mounted at two sides of the workbench sliding seat 3, a workbench face 5 is rotatably mounted at the upper end of the workbench sliding seat 3, a central bearing structure 6 is fixed at the lower end of the workbench face 5, the lower end of the central bearing structure 6 is fixed at the center of the workbench sliding seat 2, two ends of the workbench face 5 are connected with workbench high-precision gear rings 7, servo driving motors 8 are respectively fixed on the workbench sliding seat 2 at the lower sides of the workbench high-precision gear rings 7, small gears 9 are respectively connected on the servo driving motors 8, the small gears 9 are meshed with the high- precision gear rings 7, 4 groups of static press plates 10 are fixed on the workbench sliding seat 2, and static press plates 10 are connected with, the static pressure guide rail surface 11 is pressed on the high-precision gear ring 7, a static pressure oil cavity 12 is arranged on the static pressure guide rail surface 11, and a locking piston 13 is arranged in the static pressure oil cavity 12.
Preferably, a stator 14 is installed outside the center bearing structure 6, a double-row bearing roller bearing 15 is installed outside the stator 14, the double-row bearing roller bearing 15 is installed and connected with the table top 5, and a high-precision rotary encoder 16 is installed on the upper side of the center bearing structure 6.
Preferably, a slide seat driving motor device 17 is connected to the rear end of the ball screw device 4.
Preferably, 7 groups of locking pistons are arranged on the static pressure plate 10.
Preferably, a grating ruler 18 is installed on the workbench lathe bed 1 on the right side of the workbench sliding seat 2.
Preferably, the workbench lathe bed 1 and the workbench sliding seat 2 are made of high-strength low-alloy structural steel.
The utility model provides a novel numerically controlled fraise machine gyration workstation mechanism, workstation slide 2 cooperates slide clamp plate 3 to form closed hydrostatic guideway on the workstation lathe bed, prevents that table surface 5 from because the focus from supplementing and taking place to overturn when the heavy load, guarantees to operate steadily, and ball screw drive arrangement 4 provides the required power of table surface 5 removal, and grating scale 18 cooperation chemical work on the workstation lathe bed 1 accurately positions the work position of table surface 5 along the lathe bed guide rail direction; the servo driving motor drives the pinion 9 to drive the high-precision gear ring on the working table surface 5 to rotate, and further drives the working table surface 5 to process workpieces; the central bearing structure 6 is provided with a high-precision rotary encoder for measuring and outputting a rotary signal; a static pressure guide rail surface 11 of each static pressure plate 10, which is provided with a static pressure oil cavity 12, is pressed on the upper part of the high-precision gear ring 7, so that the stability of the working table 5 is ensured, a locking piston 13 is arranged in the static pressure oil cavity 12 of each static pressure plate 10, and the high-precision gear ring 7 can be automatically locked and released through hydraulic control, so that the working table 5 is positioned and clamped, the locking cannot cause the deformation of the working table 5, and the processing precision is not influenced.
Claims (6)
1. The utility model provides a novel numerically controlled fraise machine gyration workstation mechanism which characterized in that includes: the automatic numerical control lathe comprises a workbench lathe bed (1), wherein a workbench sliding seat (2) is slidably mounted at the upper end of the workbench lathe bed (1), sliding seat pressing plates (3) are mounted at the lower end of the workbench sliding seat (2), ball screw devices (4) are mounted at two sides of the workbench sliding seat (3), a workbench face (5) is rotatably mounted at the upper end of the workbench sliding seat (3), a central bearing structure (6) is fixed at the lower end of the workbench face (5), the lower end of the central bearing structure (6) is fixed at the center of the workbench sliding seat (2), two ends of the workbench face (5) are connected with workbench high-precision gear rings (7), servo driving motors (8) are respectively fixed on the workbench sliding seat (2) at the lower sides of the workbench high-precision gear rings (7), small gears (9) are respectively connected to the servo driving motors (8), and the small gears (9) are meshed with the high-precision gear rings (7), the high-precision gear ring hydrostatic press is characterized in that 4 groups of hydrostatic press plates (10) are fixed on the workbench slide seat (2), a hydrostatic guide surface (11) is connected to the hydrostatic press plates (10), the hydrostatic guide surface (11) is pressed on the high-precision gear ring (7), a hydrostatic oil cavity (12) is formed in the hydrostatic guide surface (11), and a locking piston (13) is arranged in the hydrostatic oil cavity (12).
2. The novel numerically controlled milling machine rotary worktable mechanism as claimed in claim 1, wherein a stator (14) is installed on the outer side of the central bearing structure (6), a double-row bearing roller bearing (15) is installed on the outer side of the stator (14), the double-row bearing roller bearing (15) is installed and connected with the worktable surface (5), and a high-precision rotary encoder (16) is installed on the upper side of the central bearing structure (6).
3. A novel numerically controlled fraise machine rotary table mechanism according to claim 1, characterized in that a slide carriage drive motor device (17) is connected to the rear end of the ball screw device (4).
4. A novel numerically controlled fraise machine rotary table mechanism according to claim 1, characterized in that the static pressure plate (10) is provided with 7 sets of locking pistons.
5. A novel numerically controlled fraise machine rotary table mechanism according to claim 1, characterized in that a grating ruler (18) is mounted on the table bed (1) on the right side of the table slide (2).
6. A novel numerically controlled fraise machine rotary table mechanism according to claim 1, characterized in that the table bed (1) and table slide (2) are high strength low alloy structural steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875275.4U CN210849182U (en) | 2019-11-04 | 2019-11-04 | Novel numerical control milling machine rotary worktable mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875275.4U CN210849182U (en) | 2019-11-04 | 2019-11-04 | Novel numerical control milling machine rotary worktable mechanism |
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| CN210849182U true CN210849182U (en) | 2020-06-26 |
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| CN201921875275.4U Active CN210849182U (en) | 2019-11-04 | 2019-11-04 | Novel numerical control milling machine rotary worktable mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889716A (en) * | 2020-07-22 | 2020-11-06 | 蔡海勇 | Windscreen wiper arm motor cover foundry goods dysmorphism hole automatic processing equipment |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889716A (en) * | 2020-07-22 | 2020-11-06 | 蔡海勇 | Windscreen wiper arm motor cover foundry goods dysmorphism hole automatic processing equipment |
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