CN218592000U - Gantry machining unit of electric discharge machine tool - Google Patents
Gantry machining unit of electric discharge machine tool Download PDFInfo
- Publication number
- CN218592000U CN218592000U CN202223265720.XU CN202223265720U CN218592000U CN 218592000 U CN218592000 U CN 218592000U CN 202223265720 U CN202223265720 U CN 202223265720U CN 218592000 U CN218592000 U CN 218592000U
- Authority
- CN
- China
- Prior art keywords
- axis
- ram
- guide rail
- main shaft
- slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Machine Tool Units (AREA)
Abstract
The utility model relates to a gantry machining unit of an electric discharge machine tool, which comprises a C-axis mechanism, a Z-axis mechanism and an X-axis mechanism; the C-axis mechanism is characterized in that a main shaft is erected in a main shaft box, a support frame at the bottom end of the main shaft box is provided with a chuck which is driven by the main shaft to rotate around the C axis by 360 degrees, and a Z-axis guide rail is fixed on the back of the main shaft box; the Z-axis mechanism is characterized in that a Z-axis screw rod is arranged on a ram, a sliding block for sliding a Z-axis guide rail is arranged on the front side of the ram, and the Z-axis screw rod drives the main shaft box to slide up and down along a Z axis; the X-axis mechanism is characterized in that an X-axis upper guide rail with an upward slide rail surface and an X-axis lower guide rail with a forward slide rail surface are arranged on a portal frame, an upper slide block which is connected with the X-axis upper guide rail in an up-and-down sliding mode is arranged on the back surface of the ram, and lower slide blocks which are connected with the X-axis lower guide rail in a sliding mode are arranged on two tail wings of the ram respectively to form a three-point positioning anti-overturning structure for the ram to slide left and right along the X axis. The device has the advantages of compact structure, good rigidity and high processing precision.
Description
Technical Field
The utility model relates to a processing unit of electric discharge machine, specifically speaking relate to a longmen processing unit of electric discharge machine.
Background
The electric spark machine tool is commonly provided with a column structure and a bull-nose structure.
The electric spark machine tool with a column structure realizes the movement of X/Y axes by depending on the movement of a workbench, the precision of the X/Y axes is closely related to the weight of a workpiece, and the dynamic precision and the rigidity of the electric spark machine tool are influenced. Meanwhile, the stroke of the X/Y axis is limited because the workbench needs to move in a narrow and limited space, if a slightly larger workpiece needs to be designed and processed, the base and the upright post of the machine tool are enlarged, the processing area is obviously smaller relative to the size of the machine tool, and the rigidity is also deteriorated along with the extension of the cross beam of the upright post.
For an electric spark machine tool with a cow-head type structure, the position of a working head of the electric spark machine tool can cause stress change of each component along with the movement of a ram, the precision can be unstable after long-term use, meanwhile, the rigidity is deteriorated due to the fact that the flat ram is overhung too long, the stroke of a main shaft is limited, and the error of the parallelism of a guide rail is amplified along with the increase of the deformation; the design of the structure requires that the bed body is heavy and the working head is light, so that the bed body is slowly changed by temperature, the working head is sensitive to the change of the temperature, the structure with uneven heating can cause the precision of the machine tool to be changed by the change of the temperature, and the thermal stability is poor.
Since the machining units of these two electric discharge machines have the above problems, which directly affect the machining accuracy and surface quality of the part or the die in practical use, it is necessary to design a new machining unit of the electric discharge machine.
Disclosure of Invention
The utility model aims at providing a compact structure, good, the high longmen processing unit of spark-erosion machine tool of machining precision to current problem.
The utility model aims at realizing the gantry machining unit of the electric discharge machine tool, which comprises a C-axis mechanism, a Z-axis mechanism and an X-axis mechanism; the C-axis mechanism is characterized in that a main shaft is erected in a main shaft box, a support frame at the bottom end of the main shaft box is provided with a chuck which is driven by the main shaft to rotate around the C axis by 360 degrees, and a Z-axis guide rail is fixed on the back of the main shaft box; the Z-axis mechanism is characterized in that a Z-axis screw rod is arranged on a ram, a sliding block for a Z-axis guide rail to slide is arranged on the front surface of the ram, the sliding block is driven by the Z-axis screw rod to drive a spindle box to slide up and down along a Z axis, and a Z-axis grating ruler for measuring the up-and-down stroke of a spindle along the Z axis direction is arranged on the side surface of the ram; the X-axis mechanism is characterized in that an X-axis upper guide rail with an upward slide rail surface and an X-axis lower guide rail with a forward slide rail surface are arranged on a portal frame, an upper slide block which is connected with the X-axis upper guide rail in an up-and-down sliding manner is arranged on the back surface of the ram, and lower slide blocks which are connected with the side surface of the X-axis lower guide rail in a sliding manner are respectively arranged on two tail wings of the ram to form a three-point positioning sliding anti-overturning structure of the ram; the ram is driven by an X-axis screw rod arranged on a portal frame to slide left and right along an X axis, and an X-axis grating ruler for measuring the left and right strokes of the ram along the X axis direction is arranged on the portal frame.
The utility model discloses, the left and right stand of portal frame is right trapezoid structure and constitutes portal frame antidumping structure, and the bottom of left and right stand all is provided with screw-nut seat, and the portal frame passes through the left and right screw drive of screw-nut seat on by the lathe bed of electric spark machine tool.
The utility model discloses, Z axle lead screw passes through the transmission of Z axle drive assembly by Z axle servo motor, and the transmission of X axle drive assembly is passed through by X axle servo motor to X axle lead screw.
The utility model discloses, gantry is provided with the electric spark machine unit that discharges at its crossbeam position.
The utility model discloses, have following positive effect: the processing unit adopts a portal gantry structure, a gantry of the machine tool moves along a Y axis, and a main shaft moves along an X axis, namely the processing unit of the portal gantry structure moves along the X/Y axis and a corresponding workbench is not moved, so that the problem that the dynamic precision and rigidity of the electric spark machine tool with a column structure are influenced by the movement of the workbench to realize the movement of the X/Y axis is solved; the processing unit of the portal frame structure also solves the problems that the rigidity is deteriorated and the stroke of the main shaft is limited due to the fact that the smooth pillow of the electric spark machine tool with the ox-head structure is too long in overhanging; the left and right upright posts of the portal frame are of right-angle trapezoidal structures, so that the lateral supporting surfaces are increased, the ram, the spindle box and the portal frame hung in front are balanced in stress, the rigidity is good, and the processing precision is high.
The following examples are provided to further illustrate the present invention in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic perspective view of a gantry-type EDM machine;
fig. 2 is a schematic perspective view of an embodiment of the present invention;
FIG. 3 is a schematic perspective view of the embodiment of FIG. 2 viewed from another direction;
FIG. 4 is a schematic left side view of the embodiment of FIG. 2;
FIG. 5 is a schematic diagram of the structure of the headstock and ram of the embodiment of FIG. 2;
fig. 6 is a schematic perspective view of the ram of the embodiment of fig. 2.
In the figure, 1, main axis; 2. a support frame; 3. a chuck; 4. a Z-axis guide rail; 5. a ram; 6. a Z-axis lead screw; 7. a slider; 8. a Z-axis grating scale; 9. a gantry; 10. an X-axis upper guide rail; 11. an X-axis lower guide rail; 12. an upper slide block; 13. a tail fin; 14. a lower slider; 15. an X-axis lead screw; 16. an X-axis grating scale; 17. a left and a right upright; 18. a screw nut seat; 19. a Z-axis servo motor; 20. an X-axis servo motor; 21. an electric discharge unit of the electric discharge machine; 22. and (4) a main spindle box.
Description of the preferred embodiment
Referring to fig. 1 to 6, the present embodiment is a gantry machining unit of an electric discharge machine, including a C-axis mechanism, a Z-axis mechanism, and an X-axis mechanism; the C-axis mechanism is characterized in that a main shaft 1 is erected in a main shaft box 22, a chuck 3 which is driven by the main shaft to rotate around a C axis for 360 degrees is arranged on a supporting frame 2 at the bottom end of the main shaft box, and a Z-axis guide rail 4 is fixed on the back of the main shaft box; the Z-axis mechanism is characterized in that a Z-axis lead screw 6 is arranged on a ram 5, a slide block 7 for a Z-axis guide rail to slide is arranged on the front surface of the ram, the slide block is driven by the Z-axis lead screw to drive a spindle box to slide up and down along a Z axis, and a Z-axis grating ruler 8 for measuring the up-and-down stroke of a spindle along the Z axis direction is arranged on the side surface of the ram; the X-axis mechanism is characterized in that an X-axis upper guide rail 10 with an upward slide rail surface and an X-axis lower guide rail 11 with a forward slide rail surface are arranged on a portal frame 9, an upper slider 12 which is connected with the X-axis upper guide rail in an up-and-down sliding manner is arranged on the back surface of the ram, and a lower slider 14 which is connected with the X-axis lower guide rail in a sliding manner is respectively arranged on two tail wings 13 of the ram, so that a three-point positioning sliding anti-overturning structure of the ram is formed; the ram is driven by an X-axis screw rod 15 arranged on a portal frame to slide left and right along an X axis, and an X-axis grating ruler 16 for measuring the left and right strokes of the ram along the X axis direction is arranged on the portal frame; the left and right upright posts 17 of the portal frame are both in a right trapezoid structure to form an anti-overturning structure of the portal frame, and the bottoms of the left and right upright posts are both provided with screw nut seats 18 to form a structure that the portal frame is driven by a left screw and a right screw on the lathe bed of the electric spark machine tool to slide back and forth along the Y-axis direction; the Z-axis lead screw is driven by a Z-axis servo motor 19 through a Z-axis transmission assembly, and the X-axis lead screw is driven by an X-axis servo motor 20 through an X-axis transmission assembly; the gantry frame is provided with an electric spark machine discharge unit 21 at the cross beam part.
The utility model discloses an assembly, the headstock assembly: fixedly installing two Z-axis guide rails on the back of a main shaft box, installing a support frame at the bottom end of the main shaft box, and then installing a chuck which is driven by a main shaft to rotate around a C axis by 360 degrees; assembling a ram: installing a Z-axis lead screw, a Z-axis servo motor, a coupler, a bearing and the like on the ram, installing two Z-axis cooling fans on a motor cover, and installing the motor cover on the upper part of the ram; assembling a portal frame: the X-axis upper guide rail and the X-axis lower guide rail are arranged on two guide rail surfaces of a portal frame, and an X-axis screw rod, a coupler, a locking nut, an X-axis servo motor, a Y-axis nut seat, a locking shaft metal plate and the like are arranged on the portal frame.
The utility model discloses an use, install the main shaft in the headstock and can wind 360 rotations on the C axle, slide from top to bottom along the Z axle by Z axle servo motor, Z axle screw driven headstock, the ram is along X axle horizontal slip under X axle servo motor, X axle screw drive.
Claims (4)
1. The gantry machining unit of the electric spark machine tool is characterized in that: comprises a C-axis mechanism, a Z-axis mechanism and an X-axis mechanism;
the C-axis mechanism is characterized in that a main shaft (1) is erected in a main shaft box (22), a support frame (2) at the bottom end of the main shaft box is provided with a chuck (3) which is driven by the main shaft to rotate around a C axis by 360 degrees, and a Z-axis guide rail (4) is fixed on the back of the main shaft box;
the Z-axis mechanism is characterized in that a Z-axis lead screw (6) is arranged on a ram (5), a slide block (7) for a Z-axis guide rail to slide is arranged on the front surface of the ram, the Z-axis lead screw drives the spindle box to slide up and down along the Z axis, and a Z-axis grating ruler (8) for measuring the up-and-down stroke of the spindle along the Z axis direction is arranged on the side surface of the ram;
the X-axis mechanism is characterized in that an X-axis upper guide rail (10) with an upward slide rail surface and an X-axis lower guide rail (11) with a forward slide rail surface are arranged on a portal frame (9), an upper sliding block (12) which is connected with the X-axis upper guide rail in an up-and-down sliding mode is mounted on the back surface of the ram, and lower sliding blocks (14) which are connected with the side surface of the X-axis lower guide rail in a sliding mode are mounted on two tail wings (13) of the ram respectively to form a three-point positioning sliding anti-overturning structure of the ram; the ram is driven by an X-axis screw rod (15) arranged on a portal frame to slide left and right along an X axis, and an X-axis grating ruler (16) for measuring the left and right strokes of the ram along the X axis direction is arranged on the portal frame.
2. Gantry machining unit of an electric discharge machine according to claim 1, characterized in that: the left and right upright posts (17) of the portal frame are both in a right-angle trapezoidal structure to form an anti-overturning structure of the portal frame, the bottoms of the left and right upright posts are both provided with screw and nut seats (18), and the portal frame is driven by a left screw and a right screw on the bed body of the electric spark machine tool through the screw and nut seats.
3. Gantry machining unit of an electric discharge machine according to claim 1, characterized in that: the Z-axis lead screw is driven by a Z-axis servo motor (19) through a Z-axis transmission assembly, and the X-axis lead screw is driven by an X-axis servo motor (20) through an X-axis transmission assembly.
4. Gantry machining unit of an electric discharge machine according to claim 1, characterized in that: the gantry frame is provided with an electric spark machine discharge unit (21) at the cross beam part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223265720.XU CN218592000U (en) | 2022-12-02 | 2022-12-02 | Gantry machining unit of electric discharge machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223265720.XU CN218592000U (en) | 2022-12-02 | 2022-12-02 | Gantry machining unit of electric discharge machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218592000U true CN218592000U (en) | 2023-03-10 |
Family
ID=85409244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223265720.XU Active CN218592000U (en) | 2022-12-02 | 2022-12-02 | Gantry machining unit of electric discharge machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218592000U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115770915A (en) * | 2022-12-02 | 2023-03-10 | 巨轮中德机器人智能制造有限公司 | A gantry machining unit of an electric discharge machine tool |
-
2022
- 2022-12-02 CN CN202223265720.XU patent/CN218592000U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115770915A (en) * | 2022-12-02 | 2023-03-10 | 巨轮中德机器人智能制造有限公司 | A gantry machining unit of an electric discharge machine tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104801987A (en) | Large pentahedral gantry machining center and method for compensating deformation of movable cross beam | |
| CN110228317A (en) | A kind of vertical engraving machine | |
| CN113941861A (en) | Turning and milling integrated machine tool | |
| CN111975135A (en) | Numerical control gear machining machine tool | |
| CN111958267A (en) | Movable beam gantry type five-axis linkage machining center | |
| CN211103028U (en) | Novel movable beam type high-precision machining center | |
| CN218592000U (en) | Gantry machining unit of electric discharge machine tool | |
| CN220881339U (en) | Machining center of crown block gantry type five-axis structure | |
| CN214517990U (en) | Numerical control worm grinding wheel gear grinding machine | |
| CN103612170B (en) | Column longitudinal movement surface grinder | |
| CN204545975U (en) | A kind of large-scale Five-canted Gantry Machining Center | |
| CN1559754A (en) | Laser processing center for machining mould | |
| CN115722746A (en) | A gantry-type high-precision numerical control electric discharge machine tool | |
| CN115770915A (en) | A gantry machining unit of an electric discharge machine tool | |
| CN218592001U (en) | Gantry type high-precision numerical control electric spark machine tool | |
| CN218946924U (en) | Tail shield grease groove processing equipment and system thereof | |
| CN222154639U (en) | Double-sided five-axis vertical machining center | |
| CN112338291A (en) | Novel rack shaping special grinding machine | |
| CN220613006U (en) | Machining center of integral box type structure | |
| CN220761655U (en) | Machining center of vertical fixed beam gantry structure | |
| CN213945032U (en) | High-precision numerical control machine tool hinge machining equipment | |
| CN105562791B (en) | The overhead cross beam movement gantry High-speed engraving and milling bed of numerical control bridge-type | |
| CN215317966U (en) | Vertical grinding machine with guide rail | |
| CN214109088U (en) | Novel rack shaping special grinding machine | |
| CN112338736B (en) | A compact processing grinding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |