CN111660116B - CNC double-spindle transmission device - Google Patents

CNC double-spindle transmission device Download PDF

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Publication number
CN111660116B
CN111660116B CN201910173044.7A CN201910173044A CN111660116B CN 111660116 B CN111660116 B CN 111660116B CN 201910173044 A CN201910173044 A CN 201910173044A CN 111660116 B CN111660116 B CN 111660116B
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China
Prior art keywords
sliding block
slide
slider
rail
cnc
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CN201910173044.7A
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CN111660116A (en
Inventor
陈丰田
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Baizheng Innovation Technology Co ltd
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Baizheng Innovation Technology Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/017—Arrangements of ways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/22—Feeding members carrying tools or work
    • B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
    • B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
    • B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw

Abstract

A CNC double-spindle transmission device is suitable for being applied to a CNC double-spindle processing machine and comprises a power unit, a line rail unit and a sliding seat unit. The wire track unit includes a plurality of wire tracks. The slide unit is including slideing locating the first slide module and the second slide module of line rail, first slide module has a plurality of first left sliders and a plurality of first right slider, the second slide module has a plurality of second right sliders and a plurality of second left slider, first left slider the setting position of second left slider is symmetrical respectively in first right slider the setting position of second right slider, the interval of first left slider the interval of second left slider is the same respectively the interval of first right slider the interval of second right slider. Therefore, the positions of the stress transfer points are symmetrical, so that the integral rigidity can be enhanced, the deformation and distortion degree in stress is reduced, and the processing precision is improved.

Description

CNC double-spindle transmission device
Technical Field
The invention relates to a transmission device, in particular to a CNC double-spindle transmission device.
Background
For a conventional double-head machine tool, as shown in taiwan certificate No. M562176, two sliders are provided for two spindles respectively, and the sliders can drive the spindles to process two workpieces, so as to achieve a double-efficiency processing operation.
Furthermore, as shown in taiwan certification number I586463, in order to further reduce the volume, the sliding blocks 121 of the two sliding bases 12 disposed on the two linear rails 11 are designed to be staggered and have different distances, so that the sliding bases 12 correspondingly form a cross-penetrating form, and form an asymmetric complex geometric shape in accordance with the requirement of the cross-penetrating form.
However, in the two prior arts, since the setting position of the slider and the shape of the slider are not symmetrical, the overall rigidity of the CNC dual spindle transmission is not good, and further the deformation and distortion degree during stress is affected, so that the machining precision is reduced, and when the distance between the sliders needs to be redesigned and adjusted in response to different application requirements, for example, when the distance between the sliders 121 located at the inner side in fig. 1 needs to be increased, not only need to consider whether the upper slider exceeds the height limit, which results in an excessively large volume, but also need to consider that the shapes of the corresponding sliders need to be matched with each other, thereby causing great difficulty and complexity in mechanism design.
Disclosure of Invention
The invention aims to provide a CNC double-spindle transmission device with high rigidity and high precision.
The invention relates to a CNC double-spindle transmission device which is suitable for a CNC double-spindle processing machine with a base, a working platform, a first spindle and a second spindle.
The power unit is arranged on the base.
The linear rail unit comprises a plurality of linear rails which are arranged on the base in an up-and-down extending mode.
The slide seat unit comprises a first slide seat module and a second slide seat module which are arranged on the wire rails in a sliding manner and driven by the power unit to slide up and down relative to the working platform, the first slide seat module is suitable for being arranged by the first spindle and is provided with a plurality of first left slide blocks arranged on one wire rail and a plurality of first right slide blocks arranged on the wire rail on the right side of one wire rail, the second slide seat module is suitable for being arranged by the second spindle and is provided with a plurality of second right slide blocks arranged on the other wire rail and a plurality of second left slide blocks arranged on the wire rail on the left side of the other wire rail, the arrangement positions of the first left slide blocks are respectively and substantially symmetrical to the arrangement positions of the first right slide blocks, and the arrangement positions of the second left slide blocks are respectively and substantially symmetrical to the arrangement positions of the second right slide blocks, the distance between the first left sliders is substantially equal to that between the symmetrical first right sliders, and the distance between the second left sliders is substantially equal to that between the symmetrical second right sliders.
In the CNC double-spindle transmission device, the first left slide block and the second left slide block are arranged in a staggered mode in the extending direction of the linear rail, and the first right slide block and the second right slide block are arranged in a staggered mode.
According to the CNC double-spindle transmission device, the setting height of the first left sliding block is substantially the same as the setting height of the first right sliding block, and the setting height of the second left sliding block is substantially the same as the setting height of the second right sliding block.
The first sliding seat module is provided with two first cross frames which extend along a horizontal line substantially and are arranged at intervals along the vertical direction, and a first connecting frame connected with the first cross frames, the second sliding seat module is provided with two second cross frames which extend along the horizontal line substantially and are arranged at intervals along the vertical direction, and a second connecting frame connected with the second cross frames, the first cross frames and the second cross frames are arranged along the extending direction of the linear rail in a staggered mode, the left side of the first cross frame is provided with the first left sliding block, the right side of the first cross frame is provided with the first right sliding block, the left side of the second cross frame is provided with the second left sliding block, and the right side of the second cross frame is provided with the second right sliding block.
According to the CNC double-spindle transmission device, the first transverse frame and the first connecting frame are arranged in bilateral symmetry with the second transverse frame and the second connecting frame.
According to the CNC double-spindle transmission device, the first transverse frame and the first connecting frame are matched to define a first cross groove for the second transverse frame to penetrate through, and the second transverse frame and the second connecting frame are matched to define a second cross groove for one of the first transverse frames to penetrate through.
According to the CNC double-spindle transmission device, the linear rail unit comprises two linear rails which are arranged at intervals along the left-right direction, the first left sliding block and the second left sliding block are arranged on the linear rail on the left side, and the first right sliding block and the second right sliding block are arranged on the linear rail on the right side.
According to the CNC double-spindle transmission device, a correction gap is reserved between each first left sliding block and the adjacent second left sliding block, and between each first right sliding block and the adjacent second right sliding block.
According to the CNC double-spindle transmission device, the linear rail unit comprises three linear rails which are arranged at intervals along the left-right direction, the first left sliding block is arranged on the linear rail on the left side, the first right sliding block and the second left sliding block are arranged on the linear rail in the middle, and the second right sliding block is arranged on the linear rail on the right side.
According to the CNC double-spindle transmission device, a correction gap is formed between each first right slide block and the adjacent second left slide block.
The invention has the beneficial effects that: the arrangement positions of the first left sliding block and the second left sliding block are respectively symmetrical to the arrangement positions of the first right sliding block and the second right sliding block, and the distance between the first left sliding block and the distance between the second left sliding block are the same as the distance between the symmetrical first right sliding block and the symmetrical second right sliding block, so that the positions of stress transfer points are symmetrical, the integral rigidity can be enhanced, the deformation and distortion degree when the stress is applied can be reduced, and the processing precision can be improved.
Drawings
FIG. 1 is a fragmentary rear view of a prior art CNC dual spindle drive;
FIG. 2 is a perspective view of a first embodiment of the CNC dual spindle drive of the present invention;
FIG. 3 is a fragmentary perspective view of the first embodiment;
FIG. 4 is a fragmentary exploded view of a carriage unit and a wire track unit of the first embodiment;
FIG. 5 is a fragmentary combination of the carriage unit and the wire track unit of the first embodiment;
FIG. 6 is a perspective view of a second embodiment of the CNC dual spindle drive of the present invention;
FIG. 7 is a fragmentary perspective view of the second embodiment;
fig. 8 is a fragmentary exploded view of a carriage unit and a wire track unit of the second embodiment; and
fig. 9 is a fragmentary combination of the carriage unit and the wire track unit of the second embodiment.
Detailed Description
Before the present invention is described in detail, it should be noted that in the following description, like elements are represented by like reference numerals.
Referring to fig. 2 and 3, a first embodiment of the CNC dual spindle driving apparatus of the present invention is suitable for being applied to a CNC dual spindle processing machine 9 having a base 91, a working platform 92, a first spindle 93 and a second spindle 94, and comprises a power unit 2, a line rail unit 3, and a slide unit 4.
The power unit 2 is disposed on the base 91, and includes two motors 21 arranged in a left-right direction, two screws 22 driven by the motors 21 to rotate, and two nut seats 23 disposed on the screws 22 to be movable up and down. The directional terms used in the present application are all based on the directions in fig. 2 and 6.
The wire track unit 3 includes two wire tracks extending up and down and disposed on the base 91 at intervals in the left-right direction, and hereinafter referred to as a first wire track 31 and a second wire track 32, respectively, for clarity of description.
The slide unit 4 includes a first slide module 41 and a second slide module 42 slidably disposed on the first linear rail 31 and the second linear rail 32, and the first slide module 41 and the second slide module 42 are respectively disposed on the nut seat 23 and are respectively driven by the motor 21 to correspond to the screw 22, so as to be capable of sliding up and down along the first linear rail 31 and the second linear rail 32 relative to the working platform 92.
Referring to fig. 2, 4 and 5, the first carriage module 41 is adapted to be disposed on the first spindle 93, and has two first cross frames 411 extending substantially horizontally and disposed at intervals in an up-down direction, a first connecting frame 412 connected to a left side of the first cross frame 411, a first cross slot 413 defined by the first cross frame 411 and the first connecting frame 412, two first left sliders 414 disposed on the left side of the first track 31, and two first right sliders 415 disposed on the right side of the first track 31 and the second track 32. The left side of the first cross frame 411 is provided for the first left slider 414, and the right side thereof is provided for the first right slider 415.
The second slide module 42 is adapted to be disposed on the second spindle 94, and has two second cross frames 421 extending substantially along a horizontal line and disposed at intervals in an up-down direction, a second connecting frame 422 connected to a right side of the second cross frame 421, a second cross slot 423 defined by the second cross frame 421 and the second connecting frame 422 in a matching manner and through which one of the first cross frames 411 passes, two second right sliders 424 disposed on the second linear rail 32, and two second left sliders 425 disposed on the first linear rail 31 on a left side of the second linear rail 32. The left side of the second cross frame 421 is provided for the second left slider 425, and the right side thereof is provided for the second right slider 424. One of the second cross frames 421 is inserted into the first cross groove 413.
The first slider module 41 has two first left sliders 414 and two first right sliders 415, and the second slider module 42 has two second right sliders 424 and two second left sliders 425, but the number of the first right sliders and the second left sliders can be changed according to actual requirements.
The first cross frame 411 and the second cross frame 421 are disposed in a staggered manner along the extending direction of the first line rail 31 and the second line rail 32, and the positions where the first cross frame 411 and the first connecting frame 412 are disposed, and the positions where the second cross frame 421 and the second connecting frame 422 are disposed, are left-right symmetrical, and the shapes thereof are also left-right symmetrical approximately.
The positions of the first left sliders 414 are substantially symmetrical to the positions of the first right sliders 415, the positions of the second left sliders 425 are substantially symmetrical to the positions of the second right sliders 424, the pitch of the first left sliders 414 is substantially the same as the pitch of the symmetrical first right sliders 415, and the pitch of the second left sliders 425 is substantially the same as the pitch of the symmetrical second right sliders 424. The set heights of the first left slider 414 and the second left slider 425 are substantially the same as the set heights of the first right slider 415 and the second right slider 424, respectively. In the extending direction of the wire track, the first left slider 414 and the second left slider 425 are disposed alternately, and the first right slider 415 and the second right slider 424 are disposed alternately.
There is a compensation gap 43 between each first left slider 414 and the adjacent second left slider 425, and between each first right slider 415 and the adjacent second right slider 424.
In practical applications, the first spindle 93 and the second spindle 94 can be driven by the motor 21 to ascend and descend simultaneously, so as to process two workpieces (not shown) placed on the working platform 92 simultaneously, thereby achieving the effect of double processing efficiency.
When a single large workpiece is to be machined, one of the first spindle 93 and the second spindle 94 may be controlled to be raised by the distance of the compensation gap 43, and only the other one of the first spindle 93 and the second spindle 94 may be used to machine the large workpiece, so that interference between the first spindle 93 and the second spindle 94 may be avoided.
Through the above description, the advantages of the present embodiment can be summarized as follows:
firstly, the arrangement positions of the first left slider 414 and the second left slider 425 are respectively symmetrical to the arrangement positions of the first right slider 415 and the second right slider 424, and the distance between the first left slider 414 and the distance between the second left slider 425 are the same as the distance between the symmetrical first right slider 415 and the symmetrical second right slider 424, so that the contact structures between the first slider module 41 and the track unit 3 and between the second slider module 42 and the track unit 3 are both bilaterally symmetrical, and thus, the overall rigidity can be enhanced, the deformation and distortion degree under stress can be reduced by improving the position symmetry degree of each stress transmission point, and the machining precision can be further improved.
Furthermore, when different application requirements are met, for example, when the pitches of the sliders 414, 415, 424, 425 need to be redesigned and adjusted according to the light and heavy cutting strengths (cutting rigidity), compared with the prior art, the design is symmetrical, so that the design change can be completed only by directly adjusting the positions of the corresponding sliders 414, 415, 424, 425 without additionally considering the corresponding problem of the geometric shape, and the difficulty and complexity in changing the design can be greatly reduced.
Second, by designing the connection relationship and basic shape of the first horizontal frame 411 and the first connecting frame 412, and the second horizontal frame 421 and the second connecting frame 422 to be substantially bilaterally symmetrical (from the view direction of fig. 5), the symmetry of the stress transmission path of the entire structure can be further improved, and thus the overall rigidity can be further enhanced and the processing accuracy can be improved. Moreover, since the first slider module 41 and the second slider module 42 are substantially U-shaped, that is, when viewed from the viewing angle direction of fig. 5, the two first cross frames 411 and the one first connecting frame 412 substantially form a U-shape, and the two second cross frames 421 and the one second connecting frame 422 substantially form a U-shape, when the distance between the sliders needs to be adjusted, only the distance between one of the U-shapes needs to be widened, which is not limited by the distance or shape of the other U-shape, and the problem of inconsistent left and right moments due to the influence on symmetry is also avoided, so that the design change is intuitive and the difficulty and complexity in the design change can be greatly reduced.
Third, by designing the compensation gaps 43 between each first left slider 414 and the adjacent second left slider 425, and between each first right slider 415 and the adjacent second right slider 424, the first main shaft 93 and the second main shaft 94 can not only be lifted or lowered simultaneously to process two workpieces on the working platform 92, but also be lifted independently to process a single large workpiece, thereby avoiding interference between the first main shaft 93 and the second main shaft 94.
Referring to fig. 6 and 7, a second embodiment of the CNC dual spindle drive of the present invention is shown, the second embodiment is similar to the first embodiment, and the difference between the second embodiment and the first embodiment is:
the wire track unit 3 includes three wire tracks extending up and down and disposed on the base 91 at intervals in the left-right direction, and hereinafter referred to as a first wire track 31, a second wire track 32, and a third wire track 33, respectively, for clarity of description.
Referring to fig. 6, 8 and 9, the first left slider 414 is disposed on the first track 31 on the left side, the first right slider 415 and the second left slider 425 are disposed on the third track 33 in the middle, and the second right slider 424 is disposed on the second track 32 on the right side.
The compensation gap 43 is formed between each first right slider 415 and the adjacent second left slider 425.
Thus, the second embodiment can achieve the same purpose and effect as the first embodiment. And the third wire rail 33 positioned in the middle is additionally arranged, so that the load bearing capacity of the wire rail unit 3 can be improved, and the stability of the whole operation is improved.
In summary, the CNC dual spindle transmission device of the present invention can indeed achieve the purpose of the present invention.
The above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and the invention is still within the scope of the present invention by simple equivalent changes and modifications made according to the claims and the contents of the specification.

Claims (10)

1. A CNC double-spindle transmission device is applicable to a CNC double-spindle processing machine with a base, a working platform, a first spindle and a second spindle, and comprises a power unit and a linear rail unit;
the power unit is arranged on the base;
the linear rail unit comprises a plurality of linear rails which are arranged on the base in an up-and-down extending mode;
the method is characterized in that:
the CNC double-spindle transmission device further comprises a sliding seat unit;
the slide seat unit comprises a first slide seat module and a second slide seat module which are arranged on the wire rails in a sliding manner and driven by the power unit to slide up and down relative to the working platform, the first slide seat module is suitable for being arranged by the first spindle and is provided with a plurality of first left slide blocks arranged on one wire rail and a plurality of first right slide blocks arranged on the wire rail on the right side of one wire rail, the second slide seat module is suitable for being arranged by the second spindle and is provided with a plurality of second right slide blocks arranged on the other wire rail and a plurality of second left slide blocks arranged on the wire rail on the left side of the other wire rail, the arrangement positions of the first left slide blocks are respectively and substantially symmetrical to the arrangement positions of the first right slide blocks, and the arrangement positions of the second left slide blocks are respectively and substantially symmetrical to the arrangement positions of the second right slide blocks, the distance between the first left sliders is substantially equal to that between the symmetrical first right sliders, and the distance between the second left sliders is substantially equal to that between the symmetrical second right sliders.
2. The CNC dual spindle drive according to claim 1, characterized in that: in the extending direction of the linear rail, the first left sliding block and the second left sliding block are arranged in a staggered mode, and the first right sliding block and the second right sliding block are arranged in a staggered mode.
3. The CNC dual spindle drive according to claim 1, characterized in that: the setting height of the first left slider is substantially the same as the setting height of the first right slider, and the setting height of the second left slider is substantially the same as the setting height of the second right slider.
4. The CNC dual spindle drive according to claim 1, characterized in that: the first sliding seat module is provided with two first cross frames which are extended substantially along a horizontal line and are arranged at intervals along the upper direction and the lower direction, and is connected with a first connecting frame of the first cross frames, the second sliding seat module is provided with two second cross frames which are extended substantially along the horizontal line and are arranged at intervals along the upper direction and the lower direction, and is connected with a second connecting frame of the second cross frames, the first cross frames and the second cross frames are arranged along the extending direction of the line rail in a staggered mode, the left side of the first cross frames is provided with the first left sliding block, the right side of the first cross frames is provided with the first right sliding block, the left side of the second cross frames is provided with the second left sliding block, and the right side of the second cross frames is provided with the second right sliding block.
5. The CNC dual spindle drive according to claim 4, characterized in that: the first transverse frame and the first connecting frame are arranged in bilateral symmetry with the second transverse frame and the second connecting frame.
6. The CNC dual spindle drive according to claim 4, characterized in that: the first transverse frame and the first connecting frame are matched to define a first cross groove for one of the second transverse frames to penetrate through, and the second transverse frame and the second connecting frame are matched to define a second cross groove for one of the first transverse frames to penetrate through.
7. The CNC dual spindle drive according to claim 1, characterized in that: the line rail unit comprises two line rails which are arranged at intervals along the left-right direction, the first left sliding block and the second left sliding block are arranged on the left line rail, and the first right sliding block and the second right sliding block are arranged on the right line rail.
8. The CNC dual spindle drive according to claim 7, wherein: a correction gap is formed between each first left slide block and the adjacent second left slide block, and between each first right slide block and the adjacent second right slide block.
9. The CNC dual spindle drive according to claim 1, characterized in that: the line rail unit comprises three line rails arranged at intervals along the left-right direction, the first left sliding block is arranged on the left line rail, the first right sliding block and the second left sliding block are arranged on the line rail in the middle, and the second right sliding block is arranged on the line rail on the right side.
10. The CNC dual spindle drive according to claim 9, wherein: a correction gap is formed between each first right slide block and the adjacent second left slide block.
CN201910173044.7A 2019-03-07 2019-03-07 CNC double-spindle transmission device Active CN111660116B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910173044.7A CN111660116B (en) 2019-03-07 2019-03-07 CNC double-spindle transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910173044.7A CN111660116B (en) 2019-03-07 2019-03-07 CNC double-spindle transmission device

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CN111660116A CN111660116A (en) 2020-09-15
CN111660116B true CN111660116B (en) 2022-04-19

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2300521T3 (en) * 2003-05-17 2008-06-16 Cross Huller Gmbh DOUBLE SPINDLE TOOL MACHINE.
TWM510805U (en) * 2015-01-06 2015-10-21 Chen Peng Ren CNC dual-shaft transmission device
CN206464830U (en) * 2017-02-07 2017-09-05 简雪赺 The axle multiaspect double-efficiency processing machines of CNC five
TWM562176U (en) * 2018-03-15 2018-06-21 Agmachine Techno Co Ltd Double-headed machine tool
CN109352425A (en) * 2018-12-15 2019-02-19 上海大侨誉远精密机械有限公司 A kind of vertical sleeping Compositions of metal-working machines of novel double main shaft double-workbench
CN209648133U (en) * 2019-03-07 2019-11-19 百正创新科技股份有限公司 The bis- spindle gearings of CNC

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