CN219503724U - Novel transmission structure of direct-connection gearbox - Google Patents
Novel transmission structure of direct-connection gearbox Download PDFInfo
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- CN219503724U CN219503724U CN202320051801.5U CN202320051801U CN219503724U CN 219503724 U CN219503724 U CN 219503724U CN 202320051801 U CN202320051801 U CN 202320051801U CN 219503724 U CN219503724 U CN 219503724U
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- main shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 85
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 238000003754 machining Methods 0.000 claims description 10
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 14
- 230000008859 change Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a novel transmission structure of a direct-connection gearbox, which relates to the technical field of machine tool transmission structures and comprises a main shaft box, and a main shaft motor, a gearbox, a coupler and a transmission main shaft which are sequentially arranged in the main shaft box; the power of the spindle motor is finally transmitted to the transmission spindle through the gearbox and the coupler in sequence; the bottom of the main shaft box is provided with a main shaft connecting seat, and the transmission main shaft is sleeved in the main shaft connecting seat and fixed; the spindle motor, the gearbox and the coupler can be sequentially arranged from the upper part of the spindle box; compared with the prior transmission system, the main transmission structure of the gearbox has the advantages of compact structure, short transmission chain and high space utilization rate, and compared with the prior transmission system structure, the main transmission structure has the advantages that a spindle motor, the gearbox, a coupler and a transmission main shaft are centralized in a spindle box, so that centralized operation, installation and adjustment are conveniently realized, and meanwhile, the transmission mode shortens the transmission chain, reduces the cost, enhances the structural rigidity, reduces the energy consumption and improves the speed change reliability.
Description
Technical Field
The utility model relates to the technical field of machine tool transmission structures, in particular to a novel transmission structure of a direct-connection gearbox.
Background
The numerical control machine tool has strong adaptability and is suitable for processing single workpieces, small batches and workpieces with complex shapes. In order to adapt to various material precision processing and various processing methods, a main transmission system of the numerical control machine tool needs to have a wider rotating speed range and corresponding output torque so as to ensure that reasonable cutting dosage can be selected during processing, thereby obtaining optimal production efficiency, processing precision and surface quality. On the premise of meeting the working performance of the machine tool, the economical efficiency of the machine tool is considered, the mechanical structure is simplified, the higher requirements on a mechanical transmission device and elements are simultaneously provided, the main transmission system is ensured to be convenient to adjust and maintain, the structure is simple and reasonable, and the machining and the assembly are convenient.
At present, a main transmission system of the existing numerical control machine tool (shown in fig. 5) mostly adopts main transmission and a variable speed transmission mechanism (namely a motor, a speed reducer and a main shaft) thereof to be separately arranged at two ends of a main shaft box, generally referred to as a cutter main shaft, and the main transmission system is connected through a long coupling, so that the installation mode is that a gearbox fixing plate and a main rotation span are large, the main transmission and the variable speed precision adjustment are relatively difficult during the assembly, and the chain length of the intermediate transmission is long, so that more adverse effects exist: 1. the main transmission and the gearbox are separated and fixed at two ends of the main shaft box, and the chain length of the intermediate transmission influences the structural rigidity, the thermal stability and the rotation precision of a main transmission system, so that the machining precision and the surface quality are influenced; 2. the main transmission and the gearbox are separated and fixed at two ends of the main shaft box, so that the height of the machine tool body is influenced, the occupied area is large, and the space utilization rate is low; 3. when the main transmission system is assembled, the main transmission and a gearbox fixing plate have larger span, so that the assembly precision is greatly influenced by the rigidity of the main shaft box and the manufacturing precision thereof; 4. the main transmission and gearbox are divided into two ends of the main shaft box, the structure is relatively dispersed, and centralized installation, operation, adjustment, maintenance and the like are inconvenient; in order to overcome the defects in the prior art, the utility model provides a transmission structure with a compact main transmission system structure, a short transmission chain and high space utilization rate.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the defects existing in the prior art, the novel transmission structure of the direct-connection gearbox is provided, and the problems that the structural rigidity, the thermal stability and the rotation precision of the transmission mechanism of the existing machine tool are poor, and the machining precision and the surface quality are affected are solved.
2. Technical proposal
In order to solve the problems, the novel transmission structure of the direct-connection gearbox comprises a main shaft box, and a main shaft motor, a gearbox, a coupler and a transmission main shaft which are sequentially arranged in the main shaft box;
the power of the spindle motor is finally transmitted to the transmission spindle through the gearbox and the coupler in sequence;
the bottom of the main shaft box is provided with a main shaft connecting seat, and the transmission main shaft is sleeved in the main shaft connecting seat and fixed;
the spindle motor, the gearbox and the coupler can be sequentially arranged from the upper part of the spindle box.
Wherein, a plurality of louvres have been seted up to headstock lateral part.
The gear box is fixed in the main shaft box through the gear box fixing plate, and a limiting fixing frame for installing the gear box fixing plate is arranged in the main shaft box.
Wherein, gearbox upper portion is equipped with the motor tang of installing with the spindle motor butt joint, guarantees the axiality of spindle motor and gearbox through the motor tang.
The installed gearbox fixing plate, the installed gearbox and the installed spindle motor are installed in the spindle box in a hoisting mode, and the installed gearbox fixing plate is used for positioning and fixing.
The coupling is further provided with a coupling clamping bolt, and the coupling clamping bolt is used for adjusting the upper and lower positions and the clamping degree of the coupling.
The two sides of the spindle box are provided with hollowed-out frames for heat dissipation and circuit arrangement.
The auxiliary radiating holes are arranged on the hollowed-out frame, and the positions of the main radiating holes correspond to the spindle motor, the gearbox, the coupler and the transmission spindle.
Wherein, the gearbox adopts a segmented stepless gearbox.
The installation accuracy control of the transmission structure is realized through high-accuracy machining of the main shaft connecting seat and the gearbox fixing plate.
3. The beneficial effects of the utility model are that
Compared with the prior art, the transmission structure of the gearbox has the advantages of compact structure, short transmission chain and high space utilization rate, compared with the prior transmission system structure, the main transmission structure is obviously improved in all aspects, the spindle motor, the gearbox, the coupler and the transmission main shaft are concentrated in the spindle box, so that concentrated operation and installation adjustment are conveniently realized, meanwhile, the transmission mode shortens the transmission chain, reduces the cost, enhances the structural rigidity, reduces the energy consumption, improves the speed change reliability, and meanwhile, the transmission structure has the advantages of simplifying the structure and stably transmitting, has good shock resistance and thermal stability, has small inertia, is beneficial to controlling vibration and noise, improves the machining precision and the surface quality of a machine tool, and can better ensure the machining precision.
Furthermore, the installation standardization process of the transmission structure has the advantages of centralized installation, operation, adjustment and maintenance convenience, the transmission mechanism parts can be comprehensively assembled outside the main shaft box, the repeated assembly phenomenon is reduced, the mechanical part components are improved, the machine tool limits the displacement of the transmission in normal work, the accurate position in assembly is kept, and the production and assembly efficiency is improved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a cross-sectional view A-A of FIG. 2 in accordance with the present utility model;
FIG. 4 is a perspective view of the headstock of the present utility model;
FIG. 5 is a cross-sectional view of the prior art;
FIG. 6 is a cross-sectional view B-B of FIG. 2 in accordance with the present utility model;
in the figure:
1 is a main shaft box; 2 is a spindle motor; 3 is a gearbox; 4 is a coupler; 5 is a transmission main shaft;
11 is a main shaft connecting seat; 12 is a heat dissipation hole; 13 is a hollowed-out frame; 14 is a main heat dissipation hole; 15 is a secondary heat dissipation hole; 21 is a hoisting bayonet; 31 is a gearbox fixing plate; 32 is a motor spigot; 33 is a locating pin; reference numeral 41 denotes a coupling clamping bolt.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Example 1:
as shown in fig. 1 to 6, the transmission structure of the direct-coupled gearbox of the present embodiment includes a headstock 1, a spindle motor 2, a gearbox 3, a coupling 4 and a transmission spindle 5 which are sequentially disposed in the headstock 1; the power of the spindle motor 2 is finally transmitted to the transmission spindle 5 through the gearbox 3 and the coupler 4 in sequence;
the bottom of the spindle box 1 is provided with a spindle connecting seat 11, a transmission spindle 5 is sleeved in the spindle connecting seat 11 and fixed, and is fixed by a screw, and the installation accuracy control of the spindle connecting seat 11 is realized through high-accuracy processing of the spindle connecting seat 11, such as the perpendicularity and flatness between the transmission spindle 5 and the spindle connecting seat 11, the concentricity accuracy requirement of a gearbox mounting plate and a spindle is adjusted through a dial indicator after the installation of the transmission spindle 5 is finished, and the perpendicularity requirement of a gearbox mounting surface and the spindle is ensured through scraping the mounting surface of a gearbox fixing plate 31 on the spindle box;
as shown in fig. 3, after the transmission main shaft 5 is installed, the main shaft motor 2, the gearbox 3 and the coupling 4 can be sequentially installed from the upper part of the main shaft box 1, in the specific installation, the gearbox 3 is fixed in the main shaft box 1 through a gearbox fixing plate 31, a limiting fixing frame for installing the gearbox fixing plate 31 is arranged in the main shaft box 1, the limiting fixing frame can be subjected to rechecking, the precision is convenient to position and fix the gearbox fixing plate 31 through a corresponding positioning pin 33 which is driven in after, meanwhile, the installation precision control of the gearbox 3 can be realized through high-precision machining, and the verticality and the flatness between the gearbox 3 and the main shaft box 1 are detected and adjusted through a dial gauge; and during installation, can be in the headstock 1 after outside is installed spindle motor 2, gearbox 3 and gearbox fixed plate 31 earlier, therefore this structural design can make gearbox 3 accomplish equipment, debugging outside the headstock, and convenient and swift to transmission main shaft 5, spindle motor 2, gearbox 3, shaft coupling 4 concentrate in the headstock, compact structure is convenient for realize concentrated operation. This improves to a great extent the personnel assembling and testing progress, and simultaneously realizes the installation accuracy control of the transmission structure through the high-accuracy processing of the main shaft connecting seat 11 and the gearbox fixing plate 31.
A motor spigot 32 which is in butt joint with the spindle motor 2 is arranged at the upper part of the gearbox 3, the coaxiality of the spindle motor 2 and the gearbox 3 is ensured through the motor spigot 32, the motor spigot 32 is a bracket structure for positioning and mounting a motor, the bracket structure is directly arranged on a box body of the gearbox 3, a gearbox fixing plate 31 which is already mounted outside, the gearbox 3 and the spindle motor 2 are arranged in the spindle box 1 in a hoisting manner, and the positioning and the fixing are carried out through the gearbox fixing plate 31, as shown in fig. 1, and a hoisting bayonet 21 is also arranged outside the spindle motor 2;
further, because the transmission structure of the embodiment is compact, if the temperature in the spindle box 1 is too high, the spindle motor 2 is placed in the spindle box 1, which can cause thermal deformation of the transmission structure and directly affect the machining precision, in order to ensure that the spindle box 1 dissipates heat well, the whole spindle box 1 is of an open structure, the whole spindle box is of a strip structure, the upper part and the lower part are communicated, a plurality of heat dissipation holes 12 are formed in the side parts, and hollowed-out frames 13 are arranged on two sides of the spindle box 1 for heat dissipation and circuit arrangement; the radiating holes 12 comprise main radiating holes 14 and auxiliary radiating holes 15, the auxiliary radiating holes 15 are formed in the hollowed-out frame 13 and uniformly distributed along the length direction of the spindle box 1, the holes are small, the positions of the main radiating holes 14 correspond to the spindle motor 2, the gearbox 3, the coupling 4 and the transmission spindle 5, the whole spindle box 1 structure is subjected to structural strength analysis through finite elements, and the radiating effect is improved as much as possible while the structural strength is ensured to be reliable.
Meanwhile, when the later main shaft transmission system is maintained, if the condition that the transmission structure is required to be disassembled is encountered, the whole transmission system can be directly lifted out from the upper part of the main shaft box only by disassembling the pipeline coaming at the top of the main shaft box 1 and the main shaft box baffle (split design), so that the installation and the maintenance are convenient.
The coupling 4 is further provided with a coupling clamping bolt 41, the coupling clamping bolt 41 is used for adjusting the up-down position and the clamping degree of the coupling, meanwhile, the gearbox 3 is a segmented stepless gearbox, the spindle motor 2 realizes segmented stepless speed change through the gearbox 3 so as to adapt to different processing requirements, and certain power and enough torque are transmitted while the speed is changed. 1. The spindle mounting spigot on the spindle box and the gearbox mounting surface are guaranteed to be perpendicular through machining, and the spindle mounting surface is scraped and guaranteed.
Claims (10)
1. The novel transmission structure of the direct-connection gearbox is characterized by comprising a main shaft box (1), and a main shaft motor (2), a gearbox (3), a coupler (4) and a transmission main shaft (5) which are sequentially arranged in the main shaft box (1);
the power of the spindle motor (2) is finally transmitted to the transmission spindle (5) through the gearbox (3) and the coupler (4);
the bottom of the spindle box (1) is provided with a spindle connecting seat (11), and the transmission spindle (5) is sleeved in the spindle connecting seat (11) and fixed;
the spindle motor (2), the gearbox (3) and the coupler (4) can be sequentially installed from the upper part of the spindle box (1).
2. The transmission structure of the novel direct-connection gearbox according to claim 1, wherein a plurality of radiating holes (12) are formed in the side portion of the spindle box (1).
3. The novel transmission structure of the direct-connection gearbox according to claim 1, further comprising a gearbox fixing plate (31), wherein the gearbox (3) is fixed in the spindle box (1) through the gearbox fixing plate (31), and a limiting fixing frame for installing the gearbox fixing plate (31) is arranged in the spindle box (1).
4. A novel transmission structure of a direct-connection gearbox according to claim 3, characterized in that a motor spigot (32) which is in butt joint with the spindle motor (2) is arranged on the upper portion of the gearbox (3), and coaxiality of the spindle motor (2) and the gearbox (3) is guaranteed through the motor spigot (32).
5. The transmission structure of the novel direct-connection gearbox according to claim 4, wherein the installed gearbox fixing plate (31), the gearbox (3) and the spindle motor (2) are installed in the spindle box (1) in a hoisting mode, and are positioned and fixed through the gearbox fixing plate (31).
6. The transmission structure of the novel direct-connection gearbox according to claim 1, wherein the coupling (4) is further provided with a coupling clamping bolt (41), and the coupling clamping bolt (41) is used for adjusting the up-down position and the clamping degree of the coupling.
7. The transmission structure of the novel direct-connection gearbox as claimed in claim 2, wherein the hollow frames (13) are arranged on two sides of the main shaft box (1) and are used for heat dissipation and circuit arrangement.
8. The transmission structure of the novel direct-connection gearbox according to claim 7, wherein the radiating hole (12) comprises a main radiating hole (14) and an auxiliary radiating hole (15), the auxiliary radiating hole (15) is arranged on the hollowed-out frame (13), and the position of the main radiating hole (14) corresponds to the spindle motor (2), the gearbox (3), the coupler (4) and the transmission spindle (5).
9. A transmission structure of a novel direct-connection gearbox according to claim 1, characterized in that the gearbox (3) is a segmented continuously variable gearbox.
10. A novel transmission structure of a direct-connection gearbox according to claim 1, characterized in that the mounting accuracy control of the transmission structure is realized by high-accuracy machining of the main shaft connecting seat (11) and the gearbox fixing plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320051801.5U CN219503724U (en) | 2023-01-09 | 2023-01-09 | Novel transmission structure of direct-connection gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320051801.5U CN219503724U (en) | 2023-01-09 | 2023-01-09 | Novel transmission structure of direct-connection gearbox |
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| Publication Number | Publication Date |
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| CN219503724U true CN219503724U (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320051801.5U Active CN219503724U (en) | 2023-01-09 | 2023-01-09 | Novel transmission structure of direct-connection gearbox |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000326A (en) * | 2023-01-09 | 2023-04-25 | 宁波天瑞精工机械有限公司 | A new transmission structure of direct-coupled gearbox |
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2023
- 2023-01-09 CN CN202320051801.5U patent/CN219503724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116000326A (en) * | 2023-01-09 | 2023-04-25 | 宁波天瑞精工机械有限公司 | A new transmission structure of direct-coupled gearbox |
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