CN202922301U - Milling machine sliding ram type main transmission mechanism - Google Patents
Milling machine sliding ram type main transmission mechanism Download PDFInfo
- Publication number
- CN202922301U CN202922301U CN 201220538248 CN201220538248U CN202922301U CN 202922301 U CN202922301 U CN 202922301U CN 201220538248 CN201220538248 CN 201220538248 CN 201220538248 U CN201220538248 U CN 201220538248U CN 202922301 U CN202922301 U CN 202922301U
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- gear
- ram
- gearshift
- output
- duplex
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Abstract
The utility model provides a milling machine sliding ram type main transmission mechanism which comprises a main shaft drive servo motor, a gear speed changing box and a machine main shaft. The machine main shaft is arranged on the front portion of a ram. The gear speed changing box is arranged on the ram corresponding to the position of the machine main shaft. The lower portion of the gear speed changing box is placed in the ram. The main shaft drive servo motor is arranged on the ram. An input shaft of the gear speed changing box is connected with the main shaft drive servo motor through a coupling. An output shaft of the gear speed changing box is connected with the machine main shaft through an output gear and a machine main shaft gear. Multilevel gear transmission pair connection with a low gear and a high gear revolving speed output of the input shaft and the output shaft of the gear speed changing box can be achieved due to the fact that the input shaft and the output shaft of the gear speed changing box are arranged on different transmission shafts. A split structure is adopted by the gear speed changing box and the ram and motive power is transferred through a gear so that transmission rigidity is good, the ram is small in size and simple in structure, the gear speed changing box is convenient to install and repair and modularized design and manufacture can be achieved easily.
Description
(1) technical field:
The utility model relates to the machine tool transmission system, is specially a kind of milling machine ram type main drive gear.
(2) background technology:
For adapting to the different ranges of work and machining status, existing multiple milling machine ram type main drive gear with the layout structure type is designed to integral gear transmission, main drive gear and ram as main drive gear and ram and is designed to split formula toothed belt transmission etc.This type of mechanism has its characteristics that its limitation is also arranged: be designed to the integral gear transmission as main drive gear and ram, ram structure is huge, processed complex, and manufacturability is poor, and installation and maintenance efficiency are low; Main drive gear and ram are designed to split formula toothed belt transmission, and transmission rigidity is poor.
(3) utility model content:
For this reason, the utility model proposes a kind of transmission rigidity and small and exquisite milling machine ram type main drive gear of ram structure of improving.
The technical scheme of the utility model milling machine ram type main drive gear, comprise drive motors, speed change gear and be located at the machine tool chief axis of ram front portion, difference is that described speed change gear is the speed-changing gear box of being located on ram, the bottom of described speed-changing gear box is in ram, and described drive motors is the main shaft drives servomotor of being located on ram; The power shaft of described speed-changing gear box connects the main shaft drives servomotor by shaft coupling, be connected with mainshaft gear by output gear between the output shaft of described speed-changing gear box and machine tool chief axis, between the power shaft of speed-changing gear box and output shaft, the stage-geared that can realize high and low gear rotating speed output on different power transmission shafts is secondary to be connected by being located at.
The power of described main shaft drives servomotor reaches machine tool chief axis by speed-changing gear box, and the rotation of machine tool chief axis band cutter realizes Milling Process.
a kind of plan of establishment of described power transmission shaft and stage-geared pair is: I axle and middle II axle in the middle of described power transmission shaft comprises, described multiple sets of teeth wheel transmission comprises input gear, coaxial transmission gear wheel and drive pinion, travelling gear, duplex output gearshift gear wheel and duplex output gearshift pinion, duplex gearshift gear wheel and duplex gearshift pinion, described input gear is connected with power shaft is coaxial, described transmission gear wheel, drive pinion and coaxial being connected of middle I axle, input gear and the engagement of transmission gear wheel, described travelling gear and coaxial being connected of middle II axle, travelling gear and drive pinion engagement, described duplex gearshift is large, pinion is slidably connected or is connected with middle II axle is coaxial, described duplex output gearshift is large, pinion is connected or is slidably connected with output shaft is coaxial, arrange between I axle and middle II axle in the middle of described and make duplex gearshift gear wheel and the engagement of duplex output gearshift pinion realize that the output of high gear rotating speed or duplex gearshift pinion and the engagement of duplex output gearshift gear wheel realize the gearshift of low gear rotating speed output.
Described gearshift adopts hydraulic jack, and the gear change position of described high and low gear rotating speed output is provided with high shift detection approach switch and low gear detects approach switch.
Described ram is slidably installed on slide by guide rail; The transmission mechanism of described ram feeding is ball guide screw nat, and the synchronous belt pulley transmission pair of described ball guide screw nat by reduction of speed is connected at the feed servo motor in ram.
The rotary encoder that detects main spindle's is set on described machine tool chief axis, is provided with in machine tool chief axis by the automatic tool-broaching device, hydraulic unlock device, the spindle assemblies that dish spring take-up device and automatic blowout device consist of.
Be provided with the lubricating pump that the gear mechanism in speed-changing gear box is carried out forced feed lubrication in described ram.
Advantage of the present utility model:
Speed-changing gear box and the ram of the utility model milling machine ram type main drive gear are designed to separate type and move by gear transmission, and transmission rigidity is good.Ram separates with speed-changing gear box, makes ram structure simple, and size is little, and processing technology is good; Gear is installed in speed-changing gear box, is convenient to install and maintenance, easily realize modularized design and manufacturing.
(4) description of drawings:
Fig. 1 is the configuration diagram of a kind of embodiment of the utility model.
Fig. 2 is the gearshift schematic diagram in Fig. 1 embodiment.
Figure number sign: 1, main shaft drives servomotor; 2, shaft coupling; 3, input gear; 4, transmission gear wheel; 5, drive pinion; 6, travelling gear; 7, duplex output gearshift pinion; 8, duplex gearshift gear wheel; 9, duplex gearshift pinion; 10, duplex output gearshift gear wheel; 11, speed-changing gear box; 12, output gear; 13, machine tool chief axis gear; 14, encoder hold-in range wheel; 15, rotary encoder; 16, ram; 17, machine tool chief axis; 18, automatic tool-broaching device; 19, dish spring take-up device; 20, spindle synchronous belt wheel; 21, hydraulic unlock device; 22, lubricating pump; 23, ball guide screw nat; 24, screw mandrel synchronous pulley; 25, feed servo motor synchronous belt wheel; 26, feed servo motor; 27, hydraulic jack; 28, high shift detection approach switch; 29, low gear detects approach switch; 30, middle I axle; 31, middle II axle; 32, power shaft; 33, output shaft.
(5) specific embodiment:
Below in conjunction with accompanying drawing, the technical solution of the utility model is described further.
The utility model milling machine ram type main drive gear is that the power with drive motors (main shaft drives servomotor 1) is passed to machine tool chief axis 17 through speed change gear, machine tool chief axis 17 band cutters rotations and realize Milling Process.
Described machine tool chief axis 17 is located at ram 16 front portions, machine tool chief axis gear 13 is fixedly mounted with machine tool chief axis 17 is coaxial, machine tool chief axis 17 inside are provided with automatic blowout device, automatic tool-broaching device 18, hydraulic unlock device 21 and the dish spring take-up device 19 that consists of spindle assemblies, the tension of cutter is controlled with loosening by PC, when automatic tool changer, the start working taper hole of cleaning machine tool chief axis 17 of automatic blowout device prevents that the foreign material such as smear metal from entering; Rotary encoder 15 is installed on machine tool chief axis 17, through the transmission of spindle synchronous belt wheel 20 and encoder hold-in range wheel 14, detects the position of machine tool chief axis 17, as shown in Figure 1.
Described speed change gear is speed-changing gear box 11, described speed-changing gear box 11 is installed on ram 16 front upper (position is corresponding to machine tool chief axis 17), the bottom of speed-changing gear box 11 enters in ram 16, described main shaft drives servomotor 1 is installed on ram 16 rear portions tops (be in speed-changing gear box 11 back), as shown in Figure 1.
Described speed-changing gear box 11 is made of axle system and stage-geared pair, is specially:
Described axle is that the power shaft 32(of speed-changing gear box 11 connects main shaft drives servomotors 1 by shaft coupling 2), the output shaft 33 of middle I axle 30, middle II axle 31 and speed-changing gear box 11; Described stage-geared pair is respectively duplex output gearshift pinion 7 and duplex output gearshift gear wheel 10 and the output gear 12 of the duplex gearshift gear wheel 8 of input gear 3, coaxial transmission gear wheel 4 and drive pinion 5, travelling gear 6, one and duplex gearshift pinion 9, one.Described input gear 3 is fixedly mounted with power shaft 32 is coaxial, described transmission gear wheel 4 and drive pinion 5 and coaxial being fixedly mounted with of middle I axle 30, described travelling gear 6 is fixedly mounted with in the rear portion of middle II axle 31 is coaxial, described duplex gearshift gear wheel 8 and duplex gearshift pinion 9 are in anterior coaxial being slidably installed of middle II axle 31, described duplex output gearshift pinion 7 and duplex output gearshift gear wheel 10 are in coaxial being fixedly mounted with in output shaft 33 middle parts, described output gear 12 is in anterior coaxial being fixedly mounted with of output shaft 33, as shown in Figure 1.
Wherein: input gear 3 and 4 engagements of transmission gear wheel, drive pinion 5 and travelling gear 6 engagements, in the middle of the gearshift that duplex gearshift gear wheel 8 and duplex gearshift pinion 9 are made of hydraulic jack 27 is controlled in, II axle 31 slides, make duplex gearshift pinion 9 with duplex output gearshift gear wheel 10 engagements or make duplex gearshift gear wheel 8 and 7 engagements of duplex output gearshift pinion, output gear 12 and 13 engagements of machine tool chief axis gear.The low gear rotating speed output of machine tool chief axis 17 is realized in duplex gearshift pinion 9 and duplex output gearshift gear wheel 10 positions of engagement, the high gear rotating speed output of machine tool chief axis 17 is realized in duplex gearshift gear wheel 8 and duplex output gearshift pinion 7 positions of engagement, the gear change position of described high and low gear rotating speed output is provided with high shift detection approach switch 28 and low gear detects approach switch 29, as shown in Figure 1 and Figure 2.
The gear mechanism of described speed-changing gear box 11 inside (each axle bearing and gear at different levels) adopts lubricating pump 22 forced feed lubrications, and described lubricating pump 22 is located at the centre position of ram 16 inside, as shown in Figure 1.
Described ram 16 is slidably installed on slide by guide rail, the feeding of ram 16 drives as being installed on the feed servo motor 26 of ram 16 inner rear ends, the transmission mechanism of ram 16 feedings is ball guide screw nat 23, described ball guide screw nat 23 is connected feed servo motor 26 by the synchronous belt pulley transmission of reduction of speed secondary (feed servo motor synchronous belt wheel 25 and screw mandrel synchronous pulley 24 that Timing Belt connects), as shown in Figure 1.
Claims (6)
1. milling machine ram type main drive gear, comprise drive motors, speed change gear and be located at the anterior machine tool chief axis (17) of ram (16), it is characterized in that: described speed change gear is for being located at the speed-changing gear box (11) on ram (16) corresponding to machine tool chief axis (17) position, the bottom of described speed-changing gear box (11) is in ram (16), and described main motor is for being located at the main shaft drives servomotor (1) on ram (16); The power shaft (32) of described speed-changing gear box (11) connects main shaft drives servomotor (1) by shaft coupling (2), be connected 13 by output gear (12) with the machine tool chief axis gear between the output shaft (33) of described speed-changing gear box (11) and machine tool chief axis (17)) be connected, between the power shaft (32) of speed-changing gear box (11) and output shaft (33), the stage-geared that can realize high and low gear rotating speed output on different power transmission shafts is secondary to be connected by being located at.
2. milling machine ram type main drive gear according to claim 1, it is characterized in that: I axle (30) and middle II axle (31) in the middle of described power transmission shaft comprises, described stage-geared pair comprises input gear (3), coaxial transmission gear wheel (4) and drive pinion (5), travelling gear (6), duplex output gearshift pinion (7), duplex gearshift gear wheel (8), duplex gearshift pinion (9), duplex output gearshift gear wheel (10), described input gear (3) and coaxial being connected of power shaft (32), described transmission gear wheel (4) and drive pinion (5) and coaxial being connected of middle I axle (30), input gear (3) and transmission gear wheel (4) engagement, described travelling gear (6) and coaxial being connected of middle II axle (31), travelling gear (6) and drive pinion (5) engagement, described duplex gearshift gear wheel (8) and duplex gearshift pinion (9) are slidably connected or are connected with middle II axle (31) is coaxial, described duplex output gearshift pinion (7) and duplex output gearshift gear wheel (10) are connected or are slidably connected with output shaft (33) is coaxial, arrange between I axle (30) and middle II axle (31) in the middle of described and make duplex gearshift gear wheel (8) and duplex output gearshift pinion (7) engagement realize that the output of high gear rotating speed or duplex gearshift pinion (9) realize with duplex output gearshift gear wheel (10) engagement the gearshift that the low gear rotating speed is exported.
3. milling machine ram type main drive gear according to claim 2, it is characterized in that: described gearshift comprises hydraulic jack (27), and the gear change position of described high and low gear rotating speed output is provided with high shift detection approach switch (28) and low gear detection approach switch (29).
4. any one described milling machine ram type main drive gear according to claim 1～3, it is characterized in that: described ram (16) is slidably installed on slide by guide rail; The transmission mechanism of described ram (16) feeding is ball guide screw nat (23), and described ball guide screw nat (23) is connected at the interior feed servo motor (26) of ram (16) by the synchronous belt pulley transmission pair of reduction of speed.
5. any one described milling machine ram type main drive gear according to claim 1～3, it is characterized in that: the rotary encoder (15) that detects main spindle's is set on described machine tool chief axis (17), be provided with in machine tool chief axis (17) by automatic tool-broaching device (18), hydraulic unlock device (21), the spindle assemblies that dish spring take-up device (19) and automatic blowout device consist of.
6. any one described milling machine ram type main drive gear according to claim 1～3, is characterized in that: be provided with the lubricating pump (22) that the gear mechanism in speed-changing gear box (11) is carried out forced feed lubrication in described ram (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538248 CN202922301U (en) | 2012-10-19 | 2012-10-19 | Milling machine sliding ram type main transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220538248 CN202922301U (en) | 2012-10-19 | 2012-10-19 | Milling machine sliding ram type main transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202922301U true CN202922301U (en) | 2013-05-08 |
Family
ID=48212294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220538248 Expired - Fee Related CN202922301U (en) | 2012-10-19 | 2012-10-19 | Milling machine sliding ram type main transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202922301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922355A (en) * | 2012-10-19 | 2013-02-13 | 桂林机床股份有限公司 | Ram type main transmission mechanism for milling machine |
| CN113059399A (en) * | 2021-05-06 | 2021-07-02 | 云南太标数控机床有限公司 | Gearbox facilitating water outlet of center of square ram |
-
2012
- 2012-10-19 CN CN 201220538248 patent/CN202922301U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922355A (en) * | 2012-10-19 | 2013-02-13 | 桂林机床股份有限公司 | Ram type main transmission mechanism for milling machine |
| CN113059399A (en) * | 2021-05-06 | 2021-07-02 | 云南太标数控机床有限公司 | Gearbox facilitating water outlet of center of square ram |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20181019 |