CN210849578U - Numerical control grinding machine for frame parts - Google Patents
Numerical control grinding machine for frame parts Download PDFInfo
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- CN210849578U CN210849578U CN201921230880.6U CN201921230880U CN210849578U CN 210849578 U CN210849578 U CN 210849578U CN 201921230880 U CN201921230880 U CN 201921230880U CN 210849578 U CN210849578 U CN 210849578U
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- guide rail
- servo motor
- screw rod
- rod mechanism
- direction guide
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Abstract
The utility model relates to a numerically control grinder field especially relates to a numerically control grinder for frame part, including lathe base, stand, headstock, bistrique, slip table, workstation, Z to guide rail, Z to screw rod mechanism, first servo motor, Y to guide rail, Y to screw rod mechanism, second servo motor, X to guide rail, X to screw rod mechanism, third servo motor and work piece clamping device, the stand is vertical installs the direction that is close to the back at the lathe base top surface, Z is installed on the front of stand to guide rail and Z to the horizontally setting of screw rod mechanism, Z to the guide rail headstock, Z drives the headstock by first servo motor drive on Z to the guide rail to removing, the intermediate position at headstock front lower half is installed to the bistrique, the bistrique drives the grinding operation by first servo motor.
Description
Technical Field
The utility model relates to a numerically control grinder field especially relates to a numerically control grinder for frame part.
Background
The frame part is a core part in the planetary reducer, the processing quality of the frame part has great influence on the transmission efficiency and the failure rate of the war chariot, and the frame part is a key factor influencing the rate of the war chariot to move and the rate of perfection. Because the frame part has a complex shape and limited internal space, when the frame part is processed by means, the traditional finish milling process is usually adopted, and ideal surface processing quality and dimensional accuracy are difficult to ensure at the moment. The main expression is that the milling cutter can only cut by a side edge due to the limitation of space, and the cutter vibration phenomenon is easy to generate and leave cutter grains in the machining process due to the relation between the material quality and the hardness of a workpiece and the comprehensive influence of the overhanging and radial milling forces of the cutter, so that the ideal surface quality and precision requirements are difficult to achieve. Therefore, a numerically controlled grinder capable of processing frame parts is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a numerically control grinder for frame part.
In order to achieve the above object, the utility model adopts the following technical scheme: the numerical control grinding machine for the frame part comprises a machine tool base, a stand column, a spindle box, a grinding head, a sliding table, a workbench, a Z-direction guide rail, a Z-direction screw rod mechanism, a first servo motor, a Y-direction guide rail, a Y-direction screw rod mechanism, a second servo motor, an X-direction guide rail, an X-direction screw rod mechanism, a third servo motor and a workpiece clamping device;
the vertical column is vertically arranged in the direction close to the back surface of the top surface of the machine tool base, the Z-direction guide rail and the Z-direction screw rod mechanism are horizontally arranged on the front surface of the vertical column, the spindle box is arranged on the Z-direction guide rail, the Z-direction screw rod mechanism is driven by a first servo motor to drive the spindle box to move in the Z direction on the Z-direction guide rail, the grinding head is arranged in the middle of the lower half part of the front surface of the spindle box, and the grinding head is driven by the first servo motor to carry out grinding operation; the Y-direction guide rail and the Y-direction screw rod mechanism are horizontally arranged on the top surface of the machine tool, a sliding table is arranged on the Y-direction guide rail, and the Y-direction screw rod mechanism is driven by a second servo motor to drive the sliding table to move in the Y direction on the Y-direction guide rail; the X-direction guide rail and the X-direction screw rod mechanism are horizontally arranged on the top surface of the sliding table, a workbench is arranged on the X-direction guide rail, the X-direction screw rod mechanism is driven by a third servo motor to drive the workbench to move on the X-direction guide rail in the X direction, a workpiece clamping device is arranged on the top surface of the workbench, a button for controlling the workpiece clamping device to rotate is arranged on the side surface of the workbench, and the workbench is driven by the third servo motor to drive the workpiece clamping device arranged on the workbench to rotate;
the workpiece clamping device comprises a rotating shaft, a clamping plate, a base, a first nut, a second nut and a limiting block, wherein the base is arranged at the center of the top surface of a workbench, the rotating shaft is vertically arranged at the circle center of the base and comprises an assembling section and an adjusting section, the diameter of the adjusting section is smaller than that of the assembling section, threads are formed in the outer annular surface of the adjusting section, the clamping plate is movably sleeved on the adjusting section, the first nut, the second nut and the adjusting section are in threaded connection, the first nut and the second nut are sequentially arranged above the clamping plate to adjust the vertical position of the clamping plate, and the limiting block is arranged at the top of the rotating shaft.
Preferably, the workpiece clamping device further comprises a C-shaped pad, and the C-shaped pad is sleeved on the adjusting section through a central notch of the C-shaped pad and is used for reducing the pushing force between the clamping plate and the first nut.
Preferably, the numerically controlled grinder for frame parts further includes a grinding wheel dresser, and the grinding wheel dresser is mounted on the X-direction rail and spaced from the worktable.
Preferably, the grinding wheel dresser is a universal grinding wheel dresser
Preferably, the X-direction guide rail and the Y-direction guide rail are ball linear guide rails.
Preferably, the Z-direction guide is a roller linear guide.
Preferably, the first servo motor has an automatic contracting brake function.
Preferably, a cubic boron nitride grinding wheel is installed in the grinding head.
Use the utility model discloses a beneficial effect is: through updating milling technology into grinding technology, be equipped with special work piece clamping device and the cubic boron nitride emery wheel of processing frame part, the grinding machine can be followed six to the removal work of triaxial, make the frame part of multiple size all applicable with the utility model discloses a grinding machine, the all-round abrasive machining of frame part does not have the dead angle, and the processing surface is difficult for producing crackle and burn, and residual stress is little, and work piece durability and surface finish are good, realize the fine processing.
Drawings
FIG. 1 is a schematic structural view of a numerically controlled grinder for frame parts according to the present invention;
fig. 2 is the structural schematic diagram of the workpiece clamping device of the numerically controlled grinder for frame parts according to the present invention.
Fig. 3 is the top view schematic diagram of the structure of the workpiece clamping device of the numerically controlled grinder for frame parts according to the present invention.
The reference numerals include:
100-machine tool base, 110-Y direction guide rail, 120-Y direction screw rod mechanism, 130-sliding table and 140-work
Table, 150-grinding wheel dresser, 200-upright column, 210-Z guide rail, 220-Z lead screw mechanism and 230
A first servomotor, 240-headstock, 250-grinding head, 300-workpiece clamping device, 310-spindle,
311-adjustment section, 320-base, 330-clamp, 340-C-pad, 350-first nut, 360-second
Two nuts, 370-a stop block.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
As shown in fig. 1 to 3, the numerically controlled grinder for frame parts includes a machine tool base 100, a column 200, a headstock 240, a grinding head 250, a slide table 130, a table 140, a Z-direction guide rail 210, a Z-direction screw mechanism 220, a first servo motor 230, a Y-direction guide rail 110, a Y-direction screw mechanism 120, a second servo motor (not shown), an X-direction guide rail (not shown), an X-direction screw mechanism (not shown), a third servo motor (not shown), and a workpiece clamping device 300; the included angle between any two guide rails of the X-direction rail, the Y-direction rail 110 and the Z-direction rail 210 is 90 degrees.
The upright column 200 is vertically arranged in the direction close to the back surface of the top surface of the machine tool base 100, the Z-direction guide rail 210 and the Z-direction screw rod mechanism 220 are horizontally arranged on the front surface of the upright column 200, the Z-direction guide rail 210 is provided with a spindle box 240, the Z-direction screw rod mechanism 220 is driven by a first servo motor 230 to drive the spindle box 240 to move in the Z direction on the Z-direction guide rail 210, the grinding head 250 is arranged in the middle of the lower half part of the front surface of the spindle box 240, and the grinding head 250 is driven by the first servo; the Y-direction guide rail 110 and the Y-direction screw rod mechanism 120 are horizontally arranged on the top surface 100 of the machine tool, the sliding table 130 is arranged on the Y-direction guide rail 110, and the Y-direction screw rod mechanism 120 is driven by a second servo motor to drive the sliding table 130 to move on the Y-direction guide rail 110 in the Y direction; an X-direction guide rail and an X-direction screw rod mechanism are horizontally arranged on the top surface of the sliding table 130, a workbench 140 is arranged on the X-direction guide rail, the X-direction screw rod mechanism is driven by a third servo motor to drive the workbench 140 to move on the X-direction guide rail in the X direction, a workpiece clamping device 300 is arranged on the top surface of the workbench 140, a button (not shown in the figure) for controlling the workpiece clamping device 300 to rotate is arranged on the side surface of the workbench 140, and the workbench 140 is driven by the third servo motor to drive the workpiece clamping device 300 arranged on the workbench to rotate;
according to the grinding machine, the Z-direction guide rail 210, the Z-direction screw rod mechanism 220 and the first servo motor 230 are arranged on the upright post 200 to drive the spindle box 240 and the grinding head 250 to move up and down in two directions in the vertical direction, the Y-direction guide rail 110, the Y-direction screw rod mechanism 120, the second servo motor, the X-direction guide rail, the X-direction screw rod mechanism and the third servo motor are arranged, so that the workbench 140, the workpiece clamping device 300 and the grinding wheel dresser 150 can move in four directions in the front, back, left and right directions on the horizontal plane of the machine tool base 100, and the spatial positioning and three-dimensional machining of the workpiece to be machined can be realized through double positioning of the grinding head 250 and the workpiece to be machined arranged on.
The workpiece clamping device 300 comprises a rotating shaft 310, a clamping plate 330, a base 320, a first nut 350, a second nut 360 and a limiting block 370, wherein the base 320 is arranged at the center of the top surface of the workbench 140, the rotating shaft 310 is vertically arranged at the center of the base 330, the rotating shaft 310 comprises an assembling section and an adjusting section 311, the diameter of the adjusting section 311 is smaller than that of the assembling section, a thread is arranged on the outer annular surface of the adjusting section 311, the clamping plate 330 is movably sleeved on the adjusting section 311, the first nut 350 and the second nut 360 are in threaded connection with the adjusting section 311, the first nut 350 and the second nut 360 are sequentially arranged above the clamping plate 330 to adjust the vertical position of the clamping plate 330, the limiting block 370 is arranged at the top of the rotating shaft, and the limiting block 370 prevents the second nut 360, the first nut 350, the C-shaped pad 340 and the clamping plate 340. When the frame part to be processed is installed, the frame part enters from the notch and sleeves the rotating shaft 310, the lower surface of the frame part is placed on the base 320, the position of the first nut 350 is adjusted to move downwards and enable the clamping plate 330 to tightly clamp the frame part, and the second nut 360 is screwed to enable the first nut 350 and the clamping plate 330 not to axially displace in work. After the frame part is machined by the grinding head 250, the second nut 360 and the first nut 350 are loosened in sequence, and the clamping plate 330 is moved upwards, so that the frame part is not sleeved on the rotating shaft 310 any more, and the machined part can be dismounted.
The workpiece clamping device further comprises a C-shaped pad 340, and the C-shaped pad 340 is sleeved on the adjusting section 311 through a central notch of the C-shaped pad 340 so as to reduce the thrust between the clamping plate 330 and the first nut 350. The clamping plate 330 and the first nut 350 are matched more reliably in the machining process of the frame part by the numerically controlled grinder, the contact surface between the clamping plate 330 and the first nut 350 is prevented from being damaged mechanically, meanwhile, the thrust of the clamping plate 330 to the first nut 350 can be reduced, the first nut 350 is prevented from moving upwards, the clamping plate 330 extrudes a workpiece to be loosened, and the clamping effect of the workpiece is weakened.
The numerically controlled grinder for frame parts further includes a wheel dresser 150, and the wheel dresser 150 is mounted on the X-direction rail and spaced from the table 140.
The wheel dresser 150 is a universal wheel dresser and can dress various section-shaped grinding wheels formed by any straight line angle and circular arc.
The X-direction guide rail and the Y-direction guide rail 120 are ball linear guide rails.
The Z-guide 210 is a roller linear guide.
The first servo motor 230 has an automatic contracting brake function, and can automatically contracting brake the motor shaft tightly under the condition of sudden power failure, so that the motor shaft cannot rotate, and the spindle box 240 and the grinding head 250 are both protected safely.
A cubic boron nitride grinding wheel is mounted in the grinding head 250. The grinding speed of the grinding machine can reach 30-50m/s, while the frame part can only reach 5m/s when being milled, and the cutting speed is improved by one order of magnitude. The cubic boron nitride grinding wheel has small cutting sharp grinding force, the processed surface is not easy to generate cracks and burn, and the cubic boron nitride grinding wheel has good self-sharpening property.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. Numerically control grinder for frame part, its characterized in that: the machine tool comprises a machine tool base, a stand column, a spindle box, a grinding head, a sliding table, a workbench, a Z-direction guide rail, a Z-direction screw rod mechanism, a first servo motor, a Y-direction guide rail, a Y-direction screw rod mechanism, a second servo motor, an X-direction guide rail, an X-direction screw rod mechanism, a third servo motor and a workpiece clamping device;
the vertical column is vertically arranged in the direction close to the back surface of the top surface of the machine tool base, the Z-direction guide rail and the Z-direction screw rod mechanism are horizontally arranged on the front surface of the vertical column, the spindle box is arranged on the Z-direction guide rail, the Z-direction screw rod mechanism is driven by a first servo motor to drive the spindle box to move in the Z direction on the Z-direction guide rail, the grinding head is arranged in the middle of the lower half part of the front surface of the spindle box, and the grinding head is driven by the first servo motor to carry out grinding operation; the Y-direction guide rail and the Y-direction screw rod mechanism are horizontally arranged on the top surface of the machine tool, a sliding table is arranged on the Y-direction guide rail, and the Y-direction screw rod mechanism is driven by a second servo motor to drive the sliding table to move in the Y direction on the Y-direction guide rail; the X-direction guide rail and the X-direction screw rod mechanism are horizontally arranged on the top surface of the sliding table, a workbench is arranged on the X-direction guide rail, the X-direction screw rod mechanism is driven by a third servo motor to drive the workbench to move on the X-direction guide rail in the X direction, a workpiece clamping device is arranged on the top surface of the workbench, a button for controlling the workpiece clamping device to rotate is arranged on the side surface of the workbench, and the workbench is driven by the third servo motor to drive the workpiece clamping device arranged on the workbench to rotate;
the workpiece clamping device comprises a rotating shaft, a clamping plate, a base, a first nut, a second nut and a limiting block, wherein the base is arranged at the center of the top surface of a workbench, the rotating shaft is vertically arranged at the circle center of the base and comprises an assembling section and an adjusting section, the diameter of the adjusting section is smaller than that of the assembling section, threads are formed in the outer annular surface of the adjusting section, the clamping plate is movably sleeved on the adjusting section, the first nut, the second nut and the adjusting section are in threaded connection, the first nut and the second nut are sequentially arranged above the clamping plate to adjust the vertical position of the clamping plate, and the limiting block is arranged at the top of the rotating shaft.
2. The numerically controlled grinding machine for frame parts according to claim 1, wherein: the workpiece clamping device further comprises a C-shaped pad, and the C-shaped pad is sleeved on the adjusting section through a central notch of the C-shaped pad and used for reducing the thrust between the clamping plate and the first nut.
3. The numerically controlled grinding machine for frame parts according to claim 1, wherein: the numerical control grinding machine for the frame parts further comprises a grinding wheel dresser, and the grinding wheel dresser is arranged on the X-direction track and is arranged at intervals with the workbench.
4. The numerically controlled grinding machine for frame parts according to claim 3, wherein: the grinding wheel dresser is a universal grinding wheel dresser.
5. A numerically controlled grinder for frame members according to any one of claims 1 to 3, wherein: the X-direction guide rail and the Y-direction guide rail are ball linear guide rails.
6. A numerically controlled grinder for frame members according to any one of claims 1 to 3, wherein: the Z-direction guide rail is a roller linear guide rail.
7. A numerically controlled grinder for frame members according to any one of claims 1 to 3, wherein: the first servo motor has an automatic brake function.
8. A numerically controlled grinder for frame members according to any one of claims 1 to 3, wherein: and a cubic boron nitride grinding wheel is arranged in the grinding head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230880.6U CN210849578U (en) | 2019-08-01 | 2019-08-01 | Numerical control grinding machine for frame parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921230880.6U CN210849578U (en) | 2019-08-01 | 2019-08-01 | Numerical control grinding machine for frame parts |
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| Publication Number | Publication Date |
|---|---|
| CN210849578U true CN210849578U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921230880.6U Active CN210849578U (en) | 2019-08-01 | 2019-08-01 | Numerical control grinding machine for frame parts |
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| Country | Link |
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| CN (1) | CN210849578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260770A (en) * | 2021-10-18 | 2022-04-01 | 德清勤龙磨床制造有限公司 | High-precision numerical control vertical double-end-face grinding machine |
-
2019
- 2019-08-01 CN CN201921230880.6U patent/CN210849578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260770A (en) * | 2021-10-18 | 2022-04-01 | 德清勤龙磨床制造有限公司 | High-precision numerical control vertical double-end-face grinding machine |
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