CN210060392U - High-precision numerical control gantry boring and milling machine - Google Patents

High-precision numerical control gantry boring and milling machine Download PDF

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Publication number
CN210060392U
CN210060392U CN201920369743.4U CN201920369743U CN210060392U CN 210060392 U CN210060392 U CN 210060392U CN 201920369743 U CN201920369743 U CN 201920369743U CN 210060392 U CN210060392 U CN 210060392U
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CN
China
Prior art keywords
axis
axle
oil cylinder
slide
numerical control
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Expired - Fee Related
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CN201920369743.4U
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Chinese (zh)
Inventor
张志宏
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Tiewang Cnc Machine Tool Suzhou Co Ltd
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Tiewang Cnc Machine Tool Suzhou Co Ltd
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Priority to CN201920369743.4U priority Critical patent/CN210060392U/en
Application granted granted Critical
Publication of CN210060392U publication Critical patent/CN210060392U/en
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Abstract

The utility model provides a high accuracy numerical control planer-type boring and milling machine, this lathe includes the base, a workbench, the crossbeam, the slide, left/right stand, headstock and headstock balancing unit, the workstation passes through linear guide and installs on the base, left/right stand is equipped with in the base both sides, the crossbeam is installed in left/right stand top, be provided with slide and tow chain through linear guide on the crossbeam, but install vertical migration headstock unit through heavy linear guide on the slide, headstock unit both sides are furnished with fluid pressure type automatic balancing unit. The total weight (about 2000 Kg) of the spindle box and the accessory parts thereof realizes the balance of the weight of the spindle box in the vertical direction through the hydraulic automatic balancing device, so that the Z-axis driving device can more fully, more labor-saving and less power consumption when driving the spindle box to move up and down, and the numerical control system can control the Z-axis to move more accurately.

Description

High-precision numerical control gantry boring and milling machine
Technical Field
The utility model relates to an element machining field specifically is a high accuracy numerical control planer-type boring and milling machine.
Background
The planer boring and milling machine is a mechanical processing device integrating advanced technologies such as machine, electricity and liquid, is suitable for semi-finish machining and finish machining in the industries such as aviation, heavy machinery, locomotives, shipbuilding, power generation, machine tools, automobiles, printing, dies and the like, and can also be used for rough machining. The spindle box is mainly used for automatically finishing multiple working procedures such as milling, boring, drilling, tapping and the like after large parts are clamped for one time, a counterweight block counterweight mechanism is adopted in the traditional structure, and the spindle box is connected with a counterweight block through a fixed pulley by using a steel wire rope; on one hand, the counterweight mechanism is heavy, on the other hand, the counterweight mechanism is inflexible, and the counterweight block is in a floating state, so that the overall stability of the machine tool is influenced.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to the problem and not enough of existence among the above-mentioned prior art, the utility model aims at providing a high accuracy numerical control planer-type boring and milling machine.
The technical scheme is as follows: in order to achieve the purpose, the utility model comprises a base, a workbench, a sliding seat, a crossbeam, a left upright post, a right upright post, a main spindle box and a hydraulic automatic balancing device; the workbench is mounted on the base through a linear guide rail, left and right stand columns are mounted on two sides of the base, a cross beam is mounted above the left and right stand columns, a sliding seat is mounted on the cross beam, a Z-axis driving device is mounted at the top of the sliding seat, a spindle box is connected with the sliding seat through a heavy linear guide rail and a guide rail sliding block and can enable the spindle box to vertically move, and hydraulic automatic balancing devices are further mounted on the left and right sides of the spindle box.
Furthermore, the hydraulic balance device comprises a hydraulic unit, a first oil cylinder, a second oil cylinder, a nitrogen cylinder, a pipeline and a pressure switch, wherein the first oil cylinder and the second oil cylinder are fixed on the sliding seat through oil cylinder supports; the other end of the oil path block is connected with the first oil cylinder and the second oil cylinder through pipelines and is also connected with a nitrogen cylinder; the oil circuit block is provided with a pressure gauge and a pressure switch.
Further, an X-axis slide rail and an X-axis driving device are arranged below the workbench; the X-axis slide rail is arranged on the base, the workbench is arranged on the X-axis slide rail, and an X-axis driving device for controlling the workbench to move back and forth on the X-axis slide rail is arranged between the workbench and the base.
Furthermore, the X-axis driving device is an X-axis servo driving motor and an X-axis lead screw, the X-axis servo driving motor is connected with one end of the X-axis lead screw, and the X-axis lead screw is connected with the workbench through a lead screw nut and a nut seat.
Furthermore, a Y-axis slide rail and a Y-axis driving device are arranged on the cross beam, the Y-axis slide rail is installed on the cross beam, the slide seat is installed on the Y-axis slide rail through a screw nut and a nut seat, and the Y-axis driving device for controlling the slide seat to move left and right on the Y-axis slide rail is installed on the cross beam.
Furthermore, the Y-axis driving device comprises a Y-axis servo driving motor and a Y-axis screw rod, the Y-axis servo driving motor is connected with one end of the Y-axis screw rod, and the Y-axis screw rod is connected with the sliding seat through a screw nut and a nut seat.
Furthermore, the Z-axis driving device comprises a Z-axis slide rail and a Z-axis lead screw, a Z-axis servo motor for driving the spindle box to move up and down is arranged on the slide seat, the Z-axis servo motor is connected with the Z-axis lead screw, and the Z-axis lead screw is connected with the spindle box through a lead screw nut and a nut seat.
Furthermore, one side of the workbench is provided with a protective device.
Furthermore, the periphery of the workbench is provided with a metal plate outer cover, and a chip removal port is arranged at the position, corresponding to the workbench, on the metal plate outer cover.
Above-mentioned technical scheme can see out, the beneficial effects of the utility model are that:
a high accuracy numerical control planer-type boring and milling machine, through utilizing the balancing unit on the slide to realize the balance of headstock, can be so that Z axle drive arrangement more abundant when the drive headstock reciprocates, more laborsaving, power consumption is littleer for numerical control system control Z axle motion accuracy is higher, life is longer, replaces traditional balancing unit, has solved a series of technological problems that are not brought by unbalance or balanced effect well, has improved the whole precision of lathe, has improved the operability.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic front view of the present invention;
FIG. 4 is a left side view of the structure of the present invention;
fig. 5 is a schematic diagram of the right-side view structure of the present invention;
fig. 6 is a schematic view of a connection structure of the first oil cylinder, the second oil cylinder and the bracket of the present invention;
fig. 7 is a schematic structural view of the hydraulic balance device of the present invention;
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
As shown in fig. 1-7, the high-precision numerical control gantry boring and milling machine comprises a base 1, a workbench 2, a sliding seat 3, a beam 4, a left upright post, a right upright post 5, a spindle box 6 and a hydraulic automatic balancing device 7; the workbench is installed on the base 1 through a linear guide rail, left and right upright posts 5 are installed on two sides of the base, a cross beam 4 is installed above the left and right upright posts 5, a sliding seat 3 is installed on the cross beam 4, a Z-axis driving device 8 is installed on the upper portion of the sliding seat 3, a spindle box 6 capable of moving vertically is installed on the sliding seat 3 through a heavy linear guide rail, and hydraulic automatic balancing devices 7 are installed on the left and right sides of the spindle box 6.
The hydraulic automatic balancing device 7 in the embodiment comprises a hydraulic unit 71, a first oil cylinder 72, a second oil cylinder 73, an oil path block 74, a nitrogen gas cylinder 75, a pipeline 76, a pressure gauge 77 and a pressure switch 78, wherein the first oil cylinder 72 and the second oil cylinder 73 are embedded and installed at two sides of the sliding base 3, the head of a piston rod of the oil cylinder is connected and locked on the spindle box 6 through a support 79, the nitrogen gas cylinder 75 is installed at the left back of the cross beam 4, the hydraulic unit 71 and the oil path block 74 are installed at the back of the left and right upright posts 5 to respectively provide hydraulic oil for the first oil cylinder 72 and the second oil cylinder 73, and the hydraulic unit 71 is connected with one end of the; the other end of the oil path block 74 is connected with a first oil cylinder 72 and a second oil cylinder 73 through a pipeline 76, and the first oil cylinder 72 and the second oil cylinder 73 are also connected with a nitrogen gas bottle 75; the oil circuit block 74 is provided with a pressure gauge 77 and a pressure switch 78.
In this embodiment, the first oil cylinder 72 and the second oil cylinder 73 are both balance oil cylinders, and the working principle of the balance oil cylinders is as follows: the balance oil cylinder has the function of balancing the weight of the main shaft box 6, a piston rod of the balance oil cylinder is always subjected to the gravity of the downward main shaft box 6, the hydraulic oil at the lower half part of the oil cylinder is always compressed and is balanced by the nitrogen characteristic in the nitrogen cylinder 75, when the nitrogen in the nitrogen cylinder 75 is compressed, the nitrogen generates a reaction force, the reaction force is transmitted to the piston rod of the balance oil cylinder, the piston rod obtains an upward counter force, the counter force is balance force, and the counter force is used for balancing the weight of the main shaft box 6; in actual use, the pressure of the nitrogen gas cylinder 75 is set after calculation, and the pressure of the hydraulic oil is also set by calculation.
An X-axis slide rail 21 and an X-axis driving device 22 are arranged below the workbench 2 in the embodiment; the X-axis slide rail 21 is arranged on the base 1, the workbench 2 is arranged on the X-axis slide rail 21, and an X-axis driving device 22 for controlling the workbench 2 to move back and forth on the X-axis slide rail 21 is arranged between the workbench 2 and the base 1. The X-axis driving device 22 comprises an X-axis servo driving motor 221 and an X-axis lead screw 222, wherein the X-axis servo driving motor 221 is connected with one end of the X-axis lead screw 222, and the X-axis lead screw 222 is connected with the workbench through a lead screw nut and a nut seat.
In this embodiment, the cross beam 4 is provided with a Y-axis slide rail 41 and a Y-axis driving device 42, the Y-axis slide rail 41 is disposed in the middle of the cross beam 4, the sliding seat 3 is disposed on the Y-axis slide rail 41, and the cross beam 4 is provided with the Y-axis driving device 42 for controlling the sliding seat 3 to move left and right on the Y-axis slide rail 41.
In this embodiment, the Y-axis driving device 42 includes a Y-axis servo driving motor 421 and a Y-axis lead screw 422, the Y-axis servo driving motor 421 is connected to one end of the Y-axis lead screw 422, and the Y-axis lead screw 422 is connected to the sliding base 3 through a lead screw nut and a nut seat.
In this embodiment, the Z-axis driving device 8 includes a Z-axis slide rail, a Z-axis lead screw, and a Z-axis servo motor, the main spindle box 6 is slidably mounted on the Z-axis slide rail, the Z-axis servo motor for driving the main spindle box 6 to move up and down is disposed at the top of the column 5, and the Z-axis servo motor is connected with the Z-axis lead screw.
In this embodiment, two sides of the working table 2 are further provided with a protection device.
In this embodiment, the periphery of the workbench 2 is provided with a sheet metal outer cover 9, and a chip removal port 10 is arranged on the sheet metal outer cover 9 corresponding to the workbench 2.
The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention, which is to be determined by those skilled in the art after reading the present disclosure, and all such equivalents are intended to fall within the scope of the invention as defined in the claims appended hereto.

Claims (6)

1. The utility model provides a high accuracy numerical control planer-type boring and milling machine which characterized in that: comprises a base (1), a workbench (2), a sliding seat (3), a cross beam (4), a left upright post, a right upright post (5), a main shaft box (6) and a hydraulic automatic balancing device (7); workstation (2) are installed on base (1) through linear guide rail, and stand (5) about base (1) both sides are equipped with, and stand (5) top about installing is controlled in crossbeam (4), install slide (3) through linear guide rail on crossbeam (4), but Z axle drive arrangement (8) are installed on slide (3), but install vertically moving's headstock (6) through heavy linear guide rail on slide (3), fluid pressure type automatic balancing unit (7) are installed to the headstock (6) left and right sides.
2. The high-precision numerical control gantry boring and milling machine according to claim 1, characterized in that: the hydraulic automatic balancing device (7) comprises a hydraulic unit (71), a first oil cylinder (72), a second oil cylinder (73), an oil path block (74), a nitrogen gas cylinder (75), a pipeline (76), a pressure gauge (77) and a pressure switch (78), wherein the first oil cylinder (72) and the second oil cylinder (73) are fixed on the sliding seat (3) through oil cylinder supports, the heads of piston rods of the two oil cylinders are locked on the spindle box (6) through the supports (79), the nitrogen gas cylinder (75) is installed on the left back of the cross beam (4), the hydraulic unit (71) and the oil path block (74) are installed on the back of the left and right upright posts (5) to respectively provide hydraulic oil for the first oil cylinder (72) and the second oil cylinder (73), and the hydraulic unit (71) is connected with one end of the oil path block (74) through a pipeline; the other end of the oil path block (74) is connected with a first oil cylinder (72) and a second oil cylinder (73) through a pipeline (76), and the first oil cylinder (72) and the second oil cylinder (73) are simultaneously connected with a nitrogen gas bottle (75); the oil path block (74) is provided with a pressure gauge (77) and a pressure switch (78).
3. The high-precision numerical control gantry boring and milling machine according to claim 2, characterized in that: an X-axis slide rail (21) and an X-axis driving device (22) are arranged below the workbench (2); the X-axis sliding rail (21) is installed on the base (1), the workbench (2) is installed on the X-axis sliding rail (21), an X-axis driving device (22) for controlling the workbench (2) to move back and forth on the X-axis sliding rail (21) is arranged between the workbench (2) and the base (1), the X-axis driving device (22) comprises an X-axis servo driving motor (221) and an X-axis lead screw (222), the X-axis servo driving motor (221) is connected with one end of the X-axis lead screw (222), and the X-axis lead screw (222) is connected with the workbench (2) through a lead screw nut and a nut seat.
4. The high-precision numerical control gantry boring and milling machine according to claim 3, characterized in that: be equipped with Y axle slide rail (41) and Y axle drive arrangement (42) on crossbeam (4), install on crossbeam (4) Y axle slide rail (41), slide (3) are installed on Y axle slide rail (41), install on crossbeam (4) and control slide (3) Y axle drive arrangement (42) of side-to-side movement on Y axle slide rail (41).
5. The high-precision numerical control gantry boring and milling machine according to claim 4, characterized in that: z axle drive arrangement (8) are connected with slide (3), headstock (6) including Z axle slide rail, Z axle lead screw and Z axle servo motor, Z axle slide rail, and the top of slide (3) is equipped with the Z axle servo motor that drives headstock (6) and reciprocate, and Z axle servo motor is connected with Z axle feed screw, and Z axle feed screw passes through screw nut and nut seat and connects headstock (6).
6. The high-precision numerical control gantry boring and milling machine according to claim 1, characterized in that: the periphery of workstation (2) sets up panel beating dustcoat (9), the position that corresponds workstation (2) on panel beating dustcoat (9) is equipped with chip removal mouth (10).
CN201920369743.4U 2019-03-22 2019-03-22 High-precision numerical control gantry boring and milling machine Expired - Fee Related CN210060392U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920369743.4U CN210060392U (en) 2019-03-22 2019-03-22 High-precision numerical control gantry boring and milling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920369743.4U CN210060392U (en) 2019-03-22 2019-03-22 High-precision numerical control gantry boring and milling machine

Publications (1)

Publication Number Publication Date
CN210060392U true CN210060392U (en) 2020-02-14

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ID=69434306

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920369743.4U Expired - Fee Related CN210060392U (en) 2019-03-22 2019-03-22 High-precision numerical control gantry boring and milling machine

Country Status (1)

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CN (1) CN210060392U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112496419A (en) * 2020-11-27 2021-03-16 李奇 Optical free-form surface precision milling machine tool
CN117020750A (en) * 2023-07-11 2023-11-10 台州市东部数控设备有限公司 Special turning and milling compound machine tool for valve body machining

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112496419A (en) * 2020-11-27 2021-03-16 李奇 Optical free-form surface precision milling machine tool
CN117020750A (en) * 2023-07-11 2023-11-10 台州市东部数控设备有限公司 Special turning and milling compound machine tool for valve body machining
CN117020750B (en) * 2023-07-11 2024-03-15 台州市东部数控设备有限公司 Special turning and milling compound machine tool for valve body machining

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Granted publication date: 20200214