CN203003571U - Ram-type cutter head with cutter head gearbox and ram integrated - Google Patents
Ram-type cutter head with cutter head gearbox and ram integrated Download PDFInfo
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- CN203003571U CN203003571U CN 201220727763 CN201220727763U CN203003571U CN 203003571 U CN203003571 U CN 203003571U CN 201220727763 CN201220727763 CN 201220727763 CN 201220727763 U CN201220727763 U CN 201220727763U CN 203003571 U CN203003571 U CN 203003571U
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- shaft
- ram
- milling head
- cutter head
- gear
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Abstract
The utility model discloses a ram-type cutter head with a cutter head gearbox and a ram integrated. The ram-type cutter head with the cutter head gearbox and the ram integrated comprises a servo motor (1), a horizontal transmission shaft (7) connected with an output shaft (5) of the servo motor through a coupler (4), a spline shaft (11) which is placed beside a transmission shaft and is parallel to the transmission shaft, a cutter head main shaft (14) which is placed beside the spline shaft and is parallel to the spline shaft, a long gear (6) sleeved on the transmission shaft, a small sliding gear (10) sleeved on the spline shaft, a big sliding gear (9) fixedly connected on an extending section (10a) of a hub of the small sliding gear through a flat key (8), a low-speed gear (15) which is sleeved on the main shaft of the cutter head and can be meshed with the small sliding gear, and a high-speed gear (18) which is sleeved on the main shaft of the cutter head and can be meshed with the big sliding gear. Because the cutter head gearbox and the machine tool ram are integrated, processing difficulties and assembly difficulties, and manufacturing cost can be reduced, and transmission noises are reduced. The ram-type cutter head with the cutter head gearbox and the ram integrated has the advantages of being high in rigidity and accuracy, large in torsion, and high in working stability and reliability and the like.
Description
Technical field
The utility model belongs to Metal Cutting Machine Tool ram type milling head technical field of structures.
Background technology
Milling head is a kind of functional part of milling machine, and its technical merit and quality have determined machinability and the quality of lathe, the performance of complete machine and the lifting of added value are played vital effect, so milling head is the key feature of milling machine.the milling head that existing fixed-beam planer-type milling machine is joined as shown in Figure 1, its milling head gearbox A is arranged on gantry mill ram B, be that the milling head gearbox is two parts parts that separate with ram, owing to being two parts separately, when production and processing, milling head gearbox and ram are to process respectively, to be processed complete after, these two assembling parts together, just there is the following problem in this: the Working position of milling head spindle hole on ram system will be take the installed surface of milling head gearbox as benchmark, strict control hole centre-to-centre spacing and the depth of parallelism, the assembly technical requirement of ability basic guarantee milling head.And the system processing of the hole of milling head gearbox same exist and ram on the spindle hole problem of processing, namely must be take the installed surface of milling head gearbox as benchmark, strict control hole centre-to-centre spacing and the depth of parallelism.When being assemblied on ram, also want scraping gearbox installed surface, to satisfy the requirement of centre-to-centre spacing and the depth of parallelism to the milling head gearbox.If do not reach requirement, will make the gear of gearbox and the mainshaft gear on ram can not correct engagement, thereby cause milling head when work, gear-driven noise is large, transmission stability is poor, and in the service life that can significantly reduce milling head when serious, even milling head can't work.Therefore, the milling head of existing fixed-beam gantry mill obviously exists processing and assembly difficulty large, and manufacturing cost is high, the transmission chain length, rotational noise is large, and transmitting torque is little, can not carry out heavy cut processing, limit the applicability of milling head, the problem such as the job stability of milling head and reliability are undesirable.
Summary of the invention
Processing and the large technical barrier of assembly difficulty that the purpose of this utility model exists in order to solve existing ram type milling head just, provide a kind of milling head gearbox and machine ram are become one, can reduce processing and assembly difficulty and manufacturing cost, reduction rotational noise, have the high ram type milling head of high rigidity, high accuracy, high pulling torque, job stability and reliability.
The purpose of this utility model is achieved by the following technical solution.
the ram type milling head that milling head gearbox and ram become one, comprise servomotor, the horizontal drive shaft that connects with the servomotor output shaft by shaft coupling, be arranged at power transmission shaft side and the splined shaft parallel with power transmission shaft, be arranged at splined shaft side and the milling head main shaft parallel with splined shaft, be set in the spool gear on power transmission shaft, be set in the slippage pinion on splined shaft, be fixedly connected on slippage gear wheel on slippage pinion wheel hub extension by flat key, be set on the milling head main shaft and can with the low-speed gear of slippage pinion engagement and be set on the milling head main shaft and can with the high gear of slippage gear wheel engagement.
The speed change system that power transmission shaft of the present utility model, spool gear, splined shaft, slippage pinion, slippage gear wheel consist of is arranged in gearbox body, the front-end bearing pedestal that the milling head main shaft is installed is connected with rear bearing block with the front end face of gearbox body and is connected with rear end face, and the gearbox body inner chamber communicates with the inner chamber of milling head main shaft between front-end bearing pedestal and rear bearing block.
The utility model has carried out milling head gearbox and milling head ram the design of novelty, both are become one, under the prerequisite that does not increase manufacturing cost, well solved processing and the large technical barrier of assembly difficulty that existing ram type milling head exists, reduced production cost, shortened driving-chain, compact conformation has reduced rotational noise, no matter at high rotating speed or under low speed state, all can export the larger cutting moment of torque, to satisfy the specification requirement of various production and processings.The utlity model has the characteristics such as high rigidity, high accuracy, high rotating speed, high pulling torque, can not only be in the situation that middle and high rotating speed carries out precision cutting processing, and can be for roughing and the half smart machining of slow-speed of revolution heavy cut, it is stronger that it possesses processing characteristics, range of application is more extensive, the advantage that working (machining) efficiency is higher.
Further set forth content of the present utility model below in conjunction with Figure of description.
Description of drawings
Fig. 1 is the schematic diagram of prior art;
Fig. 2 is schematic diagram of the present utility model.
In figure, 1-servomotor, 2-gearbox body, 3-motor connecting base, 4-shaft coupling, 5-servomotor output shaft, 6-spool gear, 7-power transmission shaft, 8-flat key, 9-slippage gear wheel, 10-slippage pinion, 10a-slippage pinion wheel hub extension, 11-splined shaft, 12-front-end bearing pedestal, 13-milling head main shaft end cap, 14-milling head main shaft, 15-low-speed gear, 16-rear bearing block, 17-broaching tool bar, 18-high gear.
The specific embodiment
The utility model is supporting key feature on large-scale fixed beam numerical control gantry milling machine.as shown in Figure 2, comprise servomotor 1, the horizontal drive shaft 7 that connects with servomotor output shaft 5 by shaft coupling 4, be arranged at power transmission shaft 7 side and the splined shafts 11 parallel with power transmission shaft, be arranged at splined shaft 11 side and the milling head main shafts 14 parallel with splined shaft, be set in the spool gear 6 on power transmission shaft 7, be set in the slippage pinion 10 on splined shaft 11, be fixedly connected on slippage gear wheel 9 on slippage pinion wheel hub extension 10a by flat key 8, be set on milling head main shaft 14 and can with the low-speed gear 15 of slippage pinion 10 engagements and be set on milling head main shaft 14 and can with the high gear 18 of slippage gear wheel 9 engagements.The speed change system that power transmission shaft 7, spool gear 6, splined shaft 11, slippage pinion 10, slippage gear wheel 9 consist of is arranged in gearbox body 2, the front-end bearing pedestal 12 that milling head main shaft 14 is installed is connected with rear bearing block and is connected with rear end face with the front end face of gearbox body respectively, and the gearbox body inner chamber communicates with the inner chamber of milling head main shaft 14 between front-end bearing pedestal 12 and rear bearing block 16.
Concrete assembly relation is: motor connecting base 3 use screw attachment are on gearbox body 8; Servomotor 1 use screw attachment is at motor connecting base 3.Internal tooth coupling sleeve and the servomotor output shaft 5 of shaft coupling 4 are fixed together, and the external tooth coupling sleeve of shaft coupling 4 is fixedly connected with power transmission shaft 7 use flat keys.Rolling bearing is equipped with at the two ends of power transmission shaft 7, and the rolling bearing cylindrical is arranged in dead eye on gearbox body 2; The middle part of power transmission shaft is fixedly connected with spool gear 6 use flat keys; Slippage gear wheel 9 use flat keys 8 are fixedly connected on the wheel hub extension 10a of slippage pinion 10 and become one, and the slippage pinion is arranged on splined shaft 11, can move to vertically the appropriate location and carry out speed change; Rolling bearing is loaded onto at splined shaft 11 two ends, and the rolling bearing cylindrical is arranged in dead eye on gearbox body 8.Milling head main shaft end cap 13 use screws are arranged on front-end bearing pedestal 12 end faces; On milling head main shaft 14 two ends cylindricals, rolling bearing is housed, the front-end and back-end bearing is arranged on respectively in front-end bearing pedestal 12 and rear bearing block 16 holes; Front-end bearing pedestal 12 is arranged in the hole of gearbox body 8 front end faces, and rear bearing block 16 is arranged in the hole of gearbox body 8 rear end faces; Low-speed gear 15 and high gear 18 all are fixedly connected on milling head main shaft 14 with flat key.Broaching tool bar 17 is arranged at milling head main shaft 14 inside.
Drive path of the present utility model is: by the moment of torsion of servomotor 1 output by the shaft coupling 4 that is fixedly connected with servomotor output shaft 5 transmission of power to power transmission shaft 7, power transmission shaft 7 is given the spool gear 6 that is fixedly connected on power transmission shaft transmission of power, spool gear 6 is passed to the slippage gear wheel to power with 9 engagements of slippage gear wheel, slippage gear wheel and slippage pinion 10 use flat keys 8 are fixed together and are arranged on splined shaft 11, therefore, slippage gear wheel 9 and slippage pinion 10 are to rotate simultaneously with splined shaft 11.When slippage gear wheel 9 moves axially to high gear 18 engagement along splined shaft 11, transmission of power to high gear 18, high gear and milling head main shaft 14 use flat keys are fixed together, the rotation of high gear drives the milling head main shaft and rotates, for example the present embodiment selects the gear ratio Z59/ Z35 of slippage gear wheel 9 and high gear 18 to realize the speedup transmission, realizes thus the high-speed rotation of milling head main shaft.When slippage pinion 10 moves axially to low-speed gear 15 engagement along splined shaft 11, power is passed to low-speed gear 15, low-speed gear and milling head main shaft 14 use flat keys are fixed together, the rotation of low-speed gear drives the milling head main shaft and rotates, for example the present embodiment selects the gear ratio Z30/ Z64 of slippage pinion 10 and low-speed gear 15 to realize deceleration transmission, realizes thus slowly running of milling head main shaft.
Claims (2)
1. the ram type milling head that becomes one of milling head gearbox and ram, it is characterized in that, comprise servomotor (1), the horizontal drive shaft (7) that connects with servomotor output shaft (5) by shaft coupling (4), be arranged at power transmission shaft (7) side and the splined shaft (11) parallel with power transmission shaft, be arranged at splined shaft (11) side and the milling head main shaft (14) parallel with splined shaft, be set in the spool gear (6) on power transmission shaft (7), be set in the slippage pinion (10) on splined shaft (11), be fixedly connected on slippage gear wheel (9) on slippage pinion wheel hub extension (10a) by flat key (8), be set in milling head main shaft (14) upper and can and be set in the low-speed gear (15) of slippage pinion (10) engagement the high gear (18) that milling head main shaft (14) is upper and can mesh with slippage gear wheel (9).
2. the ram type milling head that becomes one of milling head gearbox according to claim 1 and ram, it is characterized in that, the speed change system that power transmission shaft (7), spool gear (6), splined shaft (11), slippage pinion (10), slippage gear wheel (9) consist of is arranged in gearbox body (2), the front-end bearing pedestal (12) that milling head main shaft (14) is installed is connected 16 with rear bearing block) be connected with rear end face with the front end face of gearbox body respectively, the gearbox body inner chamber communicates with the inner chamber that milling head main shaft (14) is positioned between front-end bearing pedestal (12) and rear bearing block (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727763 CN203003571U (en) | 2012-12-26 | 2012-12-26 | Ram-type cutter head with cutter head gearbox and ram integrated |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220727763 CN203003571U (en) | 2012-12-26 | 2012-12-26 | Ram-type cutter head with cutter head gearbox and ram integrated |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203003571U true CN203003571U (en) | 2013-06-19 |
Family
ID=48595203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220727763 Expired - Fee Related CN203003571U (en) | 2012-12-26 | 2012-12-26 | Ram-type cutter head with cutter head gearbox and ram integrated |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203003571U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433792A (en) * | 2013-06-28 | 2013-12-11 | 宁波海天精工股份有限公司 | T-shaped ram of integral all-gear transmission gantry |
-
2012
- 2012-12-26 CN CN 201220727763 patent/CN203003571U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433792A (en) * | 2013-06-28 | 2013-12-11 | 宁波海天精工股份有限公司 | T-shaped ram of integral all-gear transmission gantry |
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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 |
Granted publication date: 20130619 Termination date: 20141226 |
|
| EXPY | Termination of patent right or utility model |