CN219944746U - High-speed milling machine with multiple milling heads - Google Patents
High-speed milling machine with multiple milling heads Download PDFInfo
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- CN219944746U CN219944746U CN202321355929.7U CN202321355929U CN219944746U CN 219944746 U CN219944746 U CN 219944746U CN 202321355929 U CN202321355929 U CN 202321355929U CN 219944746 U CN219944746 U CN 219944746U
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- 238000003801 milling Methods 0.000 title claims abstract description 222
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000000712 assembly Effects 0.000 claims abstract description 11
- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of machine tool equipment, in particular to a high-speed milling machine with multiple milling heads, which comprises a machine tool; at least two groups of vertical milling components are arranged on the machine tool; the vertical milling assembly comprises a frame, a workpiece avoiding hole is formed in the middle of the frame, and a milling head is arranged around the workpiece avoiding hole; the milling head comprises a first milling head and a second milling head; at least one of the first milling head and the second milling head can move back and forth on the frame to adjust the installation position of the first milling head and the second milling head on the frame; the first milling head is positioned at the front side or the rear side of the second milling head. According to the utility model, more than two groups of end milling assemblies are arranged on the machine tool, one of the first milling head and the second milling head on the end milling assemblies can move back and forth on the machine frame, so that the first milling head and the second milling head can be arranged in a staggered manner and the width of the spiral groove is widened, and the back and forth movement of the first milling head or the second milling head can enable different end milling assemblies to process spiral grooves with different widths, so that the milling machine can mill spiral grooves with different widths at one time.
Description
Technical Field
The utility model relates to the technical field of machine tool equipment, in particular to a high-speed milling machine with multiple milling heads.
Background
The existing screw milling mechanism cannot mill spiral grooves with different widths at one time, the width of the spiral grooves depends on the width of the screw pitch, and when a special-shaped screw used on a large-sized plastic extruding machine needs to be processed, the cutter setting milling is needed to be performed on a machine tool for multiple times.
The numerical control three-head screw whirling milling machine tool disclosed in the patent document with the publication number of CN110102807A comprises a machine tool, wherein rails are arranged on two sides of the surface of the machine tool, a sliding seat is arranged on the rails, a screw rod is arranged below the rails on one side of the machine tool and is in threaded fit with the sliding seat, and the screw rod is driven by a longitudinal motor positioned at the end part of the machine tool; the rotary milling machine is characterized in that a whirling main shaft part is arranged on the sliding seat, the whirling main shaft part is provided with a machine tool main shaft, and a workpiece chuck is arranged at the end part of the machine tool main shaft.
The above-mentioned technique has the following disadvantages: the machine tool of the technology has only one group of whirling milling assemblies, the central axes of three milling heads on the whirling milling assemblies are positioned on the same plane, the width of the spiral groove depends on the width of the screw pitch, and the spiral grooves with different widths cannot be milled at one time.
Disclosure of Invention
In order to solve the technical problems, the utility model aims to: the high-speed multi-milling head milling machine can mill spiral grooves with different widths at one time.
The utility model adopts the technical scheme that:
a high-speed milling machine with multiple milling heads comprises a machine tool; at least two groups of end milling assemblies are arranged on the machine tool, and each end milling assembly comprises a first end milling assembly and a second end milling assembly; the first end milling component and the second end milling component respectively process threads with different characteristics; the vertical milling assembly comprises a frame, a workpiece avoiding hole is formed in the middle of the frame, a milling head is arranged around the workpiece avoiding hole, and the milling head faces to a central shaft on the workpiece avoiding hole; the milling heads comprise a first milling head and a second milling head; at least one of the first milling head and the second milling head can move back and forth on the frame to adjust the installation position of the first milling head and the second milling head on the frame; the first milling head is positioned at the front side or the rear side of the second milling head.
As a further improvement of the above technical solution, the milling head further includes a third milling head, the second milling head is located at a rear side of the third milling head, and the first milling head is located at a front side of the third milling head.
As a further improvement of the technical scheme, orthographic projections of the first milling head, the second milling head and the third milling head are distributed in an annular array.
As a further improvement of the technical scheme, the rack is provided with a guide rail component; the guide rail assembly comprises a rail and a sliding plate which is connected to the rail in a sliding way, a milling head assembly is connected to the sliding plate in a sliding way, the milling head is installed on the milling head assembly, the milling head assembly is used for driving the milling head to rotate, and the direction of the rail is parallel to the arrangement direction of the milling head; the guide rail assembly is provided with a screw motor, the screw motor is provided with a screw, the bottom of the sliding plate is provided with a transmission hole matched with the screw, and the sliding plate slides on a rail through the screw motor.
As a further improvement of the technical scheme, the sliding plate is provided with a plurality of adjusting grooves arranged along the front-back direction, the milling head assembly is provided with mounting holes corresponding to the adjusting grooves, and the mounting holes and the adjusting grooves are detachably connected with each other through bolts.
The beneficial effects of the utility model are as follows: according to the utility model, the first end milling assembly and the second end milling assembly are arranged on the machine tool, one of the first milling head and the second milling head on the end milling assembly can move back and forth on the frame, so that the first milling head and the second milling head can be arranged in a staggered manner, the width of the spiral groove is changed, and the back and forth movement of the first milling head or the second milling head can enable different end milling assemblies to process spiral grooves with different widths, so that the milling machine can mill spiral grooves with different widths at one time.
Drawings
The utility model is further illustrated by the following description and examples of the embodiments in conjunction with the accompanying drawings.
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 2;
FIG. 4 is an enlarged schematic view of the structure at C in FIG. 2;
FIG. 5 is a partially exploded view of the end mill assembly;
in the figure: the machine tool comprises a machine tool body, a first end mill assembly, a second end mill assembly, a 111-frame, a 1110-workpiece avoiding hole, a 1111-central shaft, a 1113-vertical frame body, a 1114-trapezoidal frame body, a 112-first milling head, a 113-second milling head, a 114-third milling head, a 2-guide rail assembly, a 21-track, a 22-sliding plate, a 221-transmission hole, a 222-adjusting groove, a 3-screw motor, a 31-screw, a 100-mounting hole, a 200-screw and a 4-driving mechanism.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
As shown in fig. 1, a high-speed multi-milling-head milling machine comprises a machine tool 1, wherein two groups of end milling assemblies are arranged on the machine tool 1; the first end mill assembly 101 and the second end mill assembly 102 are respectively arranged opposite to each other, and the two end mill assemblies are used for processing the same screw 200.
As shown in fig. 2, a driving mechanism 4 is installed at one end of the machine tool 1, the driving mechanism is used for driving the screw 200 to rotate and advance, the end mill assembly is divided into a first end mill assembly 101 and a second end mill assembly 102, the second end mill assembly 102 is located in front of the first end mill assembly 101, and the two end mill assemblies respectively process different positions of the screw 200.
As shown in fig. 3, defining the width of the first milling head 112 on the first end mill assembly 101 as L1, the width of the second milling head 113 as L2, the width of the third milling head 114 as L3, the width between the first milling head 112 and the second milling head 113 as L4, and the width of the L4 as a spiral groove, the threads machined by the first milling head 112, the second milling head 113 and the third milling head 114 partially overlap (may just be joined) in the front-rear direction; referring to the broken lines in the figure, the broken line at the rear side of the first milling head 112 is located between the broken lines at both sides of the third milling head 114, and the broken line at the front side of the second milling head 113 is located between the broken lines at both sides of the third milling head 114. The purpose of the overlap or just engagement is to prevent a bulge in the middle of the slot.
As shown in fig. 4, defining the width of the first milling head 112 on the second end mill assembly 102 as L1, the width of the second milling head 113 as L2, the width of the third milling head 114 as L3, the width between the first milling head 112 and the second milling head 113 as L5, and L5 as the width of the helical groove, the first milling head 112, the second milling head 113, and the third milling head 114 partially overlap (or just join) in the front-to-back direction; referring to the broken lines in the figure, the broken line at the rear side of the first milling head 112 is located between the broken lines at both sides of the third milling head 114, and the broken line at the front side of the second milling head 113 is located between the broken lines at both sides of the third milling head 114. The purpose of the overlap or just engagement is to prevent a bulge in the middle of the slot.
Referring to fig. 3 and 4, by adjusting the front and rear positions of the first milling head 112 and the second milling head 113 so that L4 is not equal to L5, spiral grooves with different widths are processed in one screw 200 at a time.
As shown in fig. 5, the X axis is the front-rear direction, the Y axis is the up-down direction, the Z axis is the left-right direction, and the direction toward the center of the workpiece avoiding hole 1110 is the inward direction. The end mill assembly comprises a machine frame 111, a workpiece avoiding hole 1110 is formed in the middle of the machine frame 111, a milling head is arranged around the workpiece avoiding hole 1110, the workpiece avoiding hole 1110 is provided with a central shaft 1111, the milling head faces the central shaft 1111, and the milling head comprises a first milling head 112, a second milling head 113 and a third milling head 114; the first milling head 112 and the second milling head 113 can move back and forth on the machine frame 111 to adjust the installation position of the first milling head 112 and the second milling head on the machine frame 111; the first milling head 112 is located at the front side of the second milling head 113; the machine frame 111 is provided with a guide rail assembly 2, the guide rail assembly 2 comprises a rail 21 and a sliding plate 22 sliding on the rail 21, the direction of the rail 21 is parallel to the direction of the corresponding milling head, the sliding plate 22 is provided with a milling head assembly, the milling head is arranged on the milling head assembly, the milling head assembly can slide back and forth on the sliding plate 22, and the milling head assembly synchronously move. Further, the sliding plate 22 is provided with a plurality of adjusting grooves 222 arranged along the front-back direction, the milling head assembly is provided with mounting holes 100 corresponding to the adjusting grooves 222, the mounting holes 100 are fixed with the adjusting grooves 222 through bolts, the purpose of adjusting the position of the milling head is achieved by moving the milling head assembly back and forth on the adjusting grooves 222, and the mounting holes 100 are always located above the adjusting grooves 222 in the front-back movement process of the milling head assembly. The guide rail assembly 2 is provided with a screw motor 3, the bottom of the slide plate 22 is provided with a transmission hole 221, a screw 31 on the screw motor 3 is in transmission connection with the slide plate 22, and the screw motor 3 is used for driving the slide plate 22 to move on the track 21. It should be noted that, because the third milling head 114 is vertically disposed, the sliding plate 22 where the third milling head 114 is located has no adjusting slot 222, and the third milling head 114 may not need to move back and forth; the frame 111 is integrally formed with a ladder frame 1114 and a vertical frame 1113. The third milling head 114 assembly is installed on the vertical frame 1113, the third milling head 114 assembly is provided with the third milling head 114, the first milling head 112 assembly is installed on the left side of the trapezoid frame 1114, and the first milling head 112 is provided on the first milling head 112 assembly; the right side of the trapezoid frame 1114 is provided with a second milling head 113 assembly, the second milling head 113 assembly is provided with a second milling head 113, the milling head assembly comprises a motor, and the milling head assembly is used for driving the milling head to rotate; the included angle between two adjacent milling heads is 120 ° (bending material is prevented), the screw 200 passes through the workpiece avoiding hole 1110 from back to front, the screw 200 continuously rotates while passing through the workpiece avoiding hole 1110, and the milling heads mill spiral grooves on the screw 200. When the first milling heads 112, the second milling heads 113 and the third milling heads 114 distributed in the annular array process the workpiece, most of impact stress received by the workpiece can be counteracted, and compared with the process of processing the workpiece by one milling head, the workpiece is not easy to bend and deform.
The working principle of the utility model is as follows:
the first milling head 112 and the second milling head 113 can move back and forth relative to the third milling head 114, so that the starting points of the threads processed by the first milling head 112, the second milling head 113 and the third milling head 114 are on different planes, the distance between the first milling head 112 and the second milling head 113 is properly adjusted, so that the starting point of the threads processed by the third milling head 114 falls on the threads processed by the first milling head 112, or the starting point of the threads processed by the second milling head 113 partially overlaps with the threads processed by the third milling head 114, and then the first milling head 112, the second milling head 113 and the third milling head 114 can cooperatively process single-head threads. When a milling machine processes a single thread, the width of the spiral groove of the processed thread can be changed from the maximum value of L1, L2 or L3 to the sum of L1+L2+L3 (the combination of 3 spiral grooves can be understood), so that a plurality of milling heads can cooperatively process the same spiral groove, and the processing efficiency is high.
Of course, the relative positions of the first milling head 112, the second milling head 113 and the third milling head 114 may be adjusted to be sufficiently large or sufficiently small, so that the first milling head 112, the second milling head 113 and the third milling head 114 may respectively machine mutually independent thread grooves.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (5)
1. The utility model provides a high-speed many milling heads milling machine, includes lathe (1), its characterized in that:
at least two groups of end milling assemblies are arranged on the machine tool (1), and each end milling assembly comprises a first end milling assembly (101) and a second end milling assembly (102); the first end mill assembly (101) and the second end mill assembly (102) respectively process threads with different characteristics;
the vertical milling assembly comprises a frame (111), a workpiece avoiding hole (1110) is formed in the middle of the frame (111), a milling head is arranged around the workpiece avoiding hole (1110), and the milling head faces to a central shaft (1111) on the workpiece avoiding hole (1110);
the milling head comprises a first milling head (112) and a second milling head (113); at least one of the first milling head (112) and the second milling head (113) can move back and forth on the machine frame (111) to adjust the installation position of the first milling head and the second milling head on the machine frame (111);
the first milling head (112) is located on the front side or the rear side of the second milling head (113).
2. The high speed multi-milling machine of claim 1, wherein:
the milling head further comprises a third milling head (114), the second milling head (113) is located at the rear side of the third milling head (114), and the first milling head (112) is located at the front side of the third milling head (114).
3. The high speed multi-milling machine of claim 2, wherein:
orthographic projections of the first milling head (112), the second milling head (113) and the third milling head (114) are distributed in an annular array.
4. The high speed multi-milling machine of claim 1, wherein:
the frame (111) is provided with a guide rail assembly (2);
the guide rail assembly (2) comprises a rail (21) and a sliding plate (22) which is connected to the rail (21) in a sliding manner, a milling head assembly is connected to the sliding plate (22) in a sliding manner, the milling head is installed on the milling head assembly, the milling head assembly is used for driving the milling head to rotate, and the direction of the rail (21) is parallel to the setting direction of the milling head;
install lead screw motor (3) on guide rail assembly (2), be provided with lead screw (31) on lead screw motor (3), slide (22) bottom be provided with transmission hole (221) of lead screw (31) adaptation, slide (22) are through lead screw motor (3) slip on track (21).
5. The high speed multi-milling machine of claim 4, wherein:
the milling head is characterized in that a plurality of adjusting grooves (222) are formed in the sliding plate (22) in the front-back direction, mounting holes (100) corresponding to the adjusting grooves (222) are formed in the milling head assembly, and the mounting holes (100) are detachably connected with the adjusting grooves (222) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355929.7U CN219944746U (en) | 2023-05-30 | 2023-05-30 | High-speed milling machine with multiple milling heads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355929.7U CN219944746U (en) | 2023-05-30 | 2023-05-30 | High-speed milling machine with multiple milling heads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219944746U true CN219944746U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321355929.7U Active CN219944746U (en) | 2023-05-30 | 2023-05-30 | High-speed milling machine with multiple milling heads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219944746U (en) |
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2023
- 2023-05-30 CN CN202321355929.7U patent/CN219944746U/en active Active
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