CN203236275U - Lifting mechanism of gantry-movable numerically controlled drilling and milling machine power head - Google Patents
Lifting mechanism of gantry-movable numerically controlled drilling and milling machine power head Download PDFInfo
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- CN203236275U CN203236275U CN 201320188959 CN201320188959U CN203236275U CN 203236275 U CN203236275 U CN 203236275U CN 201320188959 CN201320188959 CN 201320188959 CN 201320188959 U CN201320188959 U CN 201320188959U CN 203236275 U CN203236275 U CN 203236275U
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- unit head
- power head
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- bearing seat
- milling machine
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Abstract
The utility model discloses a lifting mechanism of a gantry-movable numerically controlled drilling and milling machine power head. The lifting mechanism of the gantry-movable numerically controlled drilling and milling machine power head comprises a power head case body. Linear guide rails are fixedly installed on two sides of the power head case body; guide sliding blocks are connected to the linear guide rails in a sliding mode, and are fixedly installed on an installment base; the installment base is fixedly installed on a movable plate; a ball screw is fixedly installed in the power head case body, and is connected with an output shaft of a servo motor in a transmission mode; the axial line of the ball screw is parallel to the linear guide rails; the servo motor is fixedly installed in the power head case body; an upper bearing seat and a lower bearing seat are installed on the ball screw in a rotating mode; bearing are installed in the upper bearing seat and the lower bearing seat respectively; the upper bearing seat and the lower bearing seat are fixedly connected with the power head case body; a nut is connected to the ball screw between the upper bearing seat and the lower bearing seat in a threaded mode, and is fixedly connected to a nut seat; the nut seat is fixedly connected to the movable plate. The lifting mechanism of the gantry-movable numerically controlled drilling and milling machine power head effectively reduces eccentric torque of a cutting tool, prolongs service life of the cutting tool, improves cutting precision of the cutting tool, and reduces the occupied area.
Description
Technical field
The utility model relates to numerical control drilling-milling turning equipment technical field, is specifically related to the mounting structure of drag chain in the movable gantry numerical control drilling milling machine.
Background technology
The numerical control gantry drilling and milling machine is the process equipment for heavy parts, the design feature of movable gantry numerical control drilling milling machine is that portal frame moves, workbench is fixed, so it to the weight of workpiece without limits, can processing super long type part, along with improving constantly of its automation performance and Composite degree, obtain to use more and more widely.In the movable numerically-controlled drilling and milling machine of traditional large-sized gantry, it is for the line slideway of the drive mechanism of lifting brill milling unit head and the back side that ball screw is mounted in the lifting main shaft, and be to place with lifting main shaft flat raft, so whole drive mechanism can be arranged very widely, increase thus the width of lathe, owing to the outstanding body of lifting main shaft in this arrangement is large, can produce eccentric moment during machining simultaneously, easily shorten cutting-tool's used life, and the machining low precision.
The utility model content
The applicant improves for above-mentioned shortcoming of the prior art, a kind of unit head elevating mechanism of movable gantry numerical control drilling milling machine is provided, the generation that it has reduced the cutting tool eccentric moment has effectively improved cutter life and machining precision, and has reduced to take up room.
The technical solution of the utility model is as follows:
The unit head elevating mechanism of movable gantry numerical control drilling milling machine, comprise unit head casing, ball wire bar pair and line slideway auxiliary, line slideway in the described line slideway auxiliary is fixedly mounted on the both sides of unit head casing, slidely connect guide runner on the line slideway, guide runner is fixedly mounted on the mount pad, and mount pad is fixedly installed on the movable plate; Described ball wire bar pair is contained in the unit head casing, ball-screw in the described ball wire bar pair and the output shaft of servomotor are in transmission connection, the axis of ball-screw is parallel to line slideway, servomotor is installed on the unit head box house, be rotatablely equipped with top chock and step on the ball-screw, bearing all is housed in top chock and the step, top chock and step and unit head casing are affixed, ball-screw between top chock and step is bolted with screw, screw is fixed on the nut seat, and nut seat is fixed on the movable plate.
Its further technical scheme is:
Described top chock and the step axially outside all are connected with cover plate, and cover plate is used for the axial restraint of bearing.
The described fixing position of top chock and step and unit head casing all is equipped with backing plate.
Technique effect of the present utility model:
The utility model will be installed on for the line slideway of the drive mechanism of lifting drive head the two sides of unit head casing, ball screw is arranged in the space of unit head box house, changed the mounting structure that traditional line slideway and ball screw are installed on the main shaft back side, reduced to take up room, and ball screw is positioned as close to the lifting main shaft, the lifting alignment of shafts, line slideway center and ball screw center are in the same plane basically, the generation of eccentric moment when having reduced like this machining has improved cutter life and machine finish effectively.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 be the A of Fig. 1 to view, broken section.
Fig. 3 is the B-B cutaway view of Fig. 1.
Fig. 4 is the C-C cutaway view of Fig. 1.
Fig. 5 is the enlarged drawing of I section among Fig. 3.
Fig. 6 is the enlarged drawing of II section among Fig. 3.
Wherein: 1, unit head casing; 2, line slideway; 3, guide runner; 4, mount pad; 5, movable plate; 6, ball-screw; 7, servomotor; 8, top chock; 9, step; 10, bearing; 11, screw; 12, nut seat; 13, cover plate; 14, backing plate.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described.
See Fig. 1, Fig. 2, Fig. 3, the utility model comprises unit head casing 1, ball wire bar pair and line slideway auxiliary, line slideway 2 in the described line slideway auxiliary is fixedly mounted on the both sides of unit head casing 1, slidely connect guide runner 3 on the line slideway 2, guide runner 3 is fixedly mounted on the mount pad 4, mount pad 4 is fixedly installed on the movable plate 5, and line slideway 2 and guide runner 3 consist of described line slideway auxiliary; Described ball wire bar pair is contained in the unit head casing 1, ball-screw 6 in the described ball wire bar pair is in transmission connection with the output shaft of servomotor 7, the axis of ball-screw 6 is parallel to line slideway 2, servomotor 7 is installed on unit head casing 1 inside, be rotatablely equipped with top chock 8 and step 9 on the ball-screw 6, see Fig. 5, Fig. 6, in top chock 8 and the step 9 bearing 10 is housed all, top chock 8 and step 9 all are equipped with backing plate 14 with the described fixing position of unit head casing 1, see Fig. 4, described top chock 8 and step 9 axially all are connected with cover plate 13 in the outside, cover plate 13 is used for the axial restraint of bearing 10, top chock 8 and step 9 are affixed with unit head casing 1, ball-screw 6 between top chock 8 and step 9 is bolted with screw 11, screw 11 consists of ball wire bar pair with ball-screw 6, and described screw 11 is fixed on the nut seat 12, and nut seat 12 is fixed on the movable plate 5.
The method of operation of the present utility model is as follows:
At first, mount pad 4 is installed on the movable plate 5 by securing member, guide runner 3 is installed on the mount pad 4 by securing member, line slideway 2 is installed on the two sides of unit head casing 1 by securing member, pluck out a block space in unit head casing 1 inside, be used for installing described ball wire bar pair, the two ends of ball screw 6 are respectively by bearing 10 and top chock 8, bearing 10 and step 9 connect, top chock 8 and step 9 are fixed on unit head casing 1 inside by securing member, and with backing plate 14 bearing 10 axial restraints at ball screw 6 two ends, screw 11 is fixed on the nut seat 12 by securing member, and nut seat 12 then is to be fixed on the movable plate 5 by securing member.During work, because nut seat 12 and guide runner 3 are fixed on the movable plate 5, and ball screw 6 and line slideway 2 are fixed on the unit head casing 1, when servomotor 7 drove ball screw 6 rotation, whole unit head casing 1 was finished the transmission feeding of boring milling unit head together with ball screw 6 and line slideway 2.
The utility model will be installed on for the line slideway of the drive mechanism of lifting drive head the two sides of unit head casing, ball screw is arranged in the space of unit head box house, and be positioned as close to the lifting main shaft, reduced to take up room, the lifting alignment of shafts, line slideway center and ball screw center are in the same plane basically, the generation of eccentric moment when having reduced like this machining has improved cutter life and machine finish effectively.
More than describing is to explanation of the present utility model, is not the restriction to utility model, and the utility model limited range within protection domain of the present utility model, can be done any type of modification referring to claim.
Claims (3)
1. the unit head elevating mechanism of movable gantry numerical control drilling milling machine, comprise unit head casing (1), ball wire bar pair and line slideway auxiliary, it is characterized in that: the line slideway in the described line slideway auxiliary (2) is fixedly mounted on the both sides of unit head casing (1), slidely connect guide runner (3) on the line slideway (2), guide runner (3) is fixedly mounted on the mount pad (4), and mount pad (4) is fixedly installed on the movable plate (5); Described ball wire bar pair is contained in the unit head casing (1), ball-screw in the described ball wire bar pair (6) is in transmission connection with the output shaft of servomotor (7), the axis of ball-screw (6) is parallel to line slideway (2), servomotor (7) is installed on unit head casing (1) inside, be rotatablely equipped with top chock (8) and step (9) on the ball-screw (6), in top chock (8) and the step (9) bearing (10) is housed all, top chock (8) and step (9) are affixed with unit head casing (1), ball-screw (6) between top chock (8) and step (9) is bolted with screw (11), screw (11) is fixed on the nut seat (12), and nut seat (12) is fixed on the movable plate (5).
2. press the unit head elevating mechanism of movable gantry numerical control drilling milling machine claimed in claim 1, it is characterized in that: described top chock (8) and step (9) the axially outside all are connected with cover plate (13), and cover plate (13) is used for the axial restraint of bearing (10).
3. by the unit head elevating mechanism of movable gantry numerical control drilling milling machine claimed in claim 1, it is characterized in that: top chock (8) and step (9) all are equipped with backing plate (14) with the described fixing position of unit head casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320188959 CN203236275U (en) | 2013-04-16 | 2013-04-16 | Lifting mechanism of gantry-movable numerically controlled drilling and milling machine power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320188959 CN203236275U (en) | 2013-04-16 | 2013-04-16 | Lifting mechanism of gantry-movable numerically controlled drilling and milling machine power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203236275U true CN203236275U (en) | 2013-10-16 |
Family
ID=49313605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320188959 Expired - Fee Related CN203236275U (en) | 2013-04-16 | 2013-04-16 | Lifting mechanism of gantry-movable numerically controlled drilling and milling machine power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203236275U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203649A (en) * | 2013-04-16 | 2013-07-17 | 无锡华联精工机械有限公司 | Power head lifting mechanism of gantry movable type numerical-control drilling and milling machine |
| CN104384766A (en) * | 2014-10-24 | 2015-03-04 | 无锡华联科技集团有限公司 | Portal robot welding machine |
| CN104400280A (en) * | 2014-10-24 | 2015-03-11 | 无锡华联科技集团有限公司 | Welding arm cross traveling mechanism |
-
2013
- 2013-04-16 CN CN 201320188959 patent/CN203236275U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203649A (en) * | 2013-04-16 | 2013-07-17 | 无锡华联精工机械有限公司 | Power head lifting mechanism of gantry movable type numerical-control drilling and milling machine |
| CN104384766A (en) * | 2014-10-24 | 2015-03-04 | 无锡华联科技集团有限公司 | Portal robot welding machine |
| CN104400280A (en) * | 2014-10-24 | 2015-03-11 | 无锡华联科技集团有限公司 | Welding arm cross traveling mechanism |
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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: 20131016 Termination date: 20150416 |
|
| EXPY | Termination of patent right or utility model |