CN201880977U - Processing device for three-dimensional curve cam of plastic circular loom - Google Patents
Processing device for three-dimensional curve cam of plastic circular loom Download PDFInfo
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- CN201880977U CN201880977U CN2010206358258U CN201020635825U CN201880977U CN 201880977 U CN201880977 U CN 201880977U CN 2010206358258 U CN2010206358258 U CN 2010206358258U CN 201020635825 U CN201020635825 U CN 201020635825U CN 201880977 U CN201880977 U CN 201880977U
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- slide plate
- crank
- gear
- circular loom
- dimensional curve
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Abstract
The utility model relates to a processing device for a three-dimensional curve cam of a plastic circular loom, which comprises a transmission mechanism, a milling head and a milling cutter. The milling head is provided with a rotary shaft, a swing gear is fixed onto the rotary shaft, a rack meshed with the swing gear is arranged on a slide plate, a crank-slider mechanism is arranged at the tail end of a transmission chain of the transmission mechanism, an output end of the crank-slider mechanism is connected with the slide plate, the slide plate is connected with an external device through a linear guide rail mechanism, and the slide plate is driven by the crank-slider mechanism to vertically reciprocate in linear motion. A hob cutter rest is removed from an Y380H hobber, then the processing device is mounted on the hobber, the slide plate is connected with the hobber through a linear guide rail, and an input end of the transmission mechanism is connected with a power output mechanism of the hobber. When the processing device is used for processing, a workpiece rotates along with an operating table, the crank-slider mechanism moves up and down synchronously to drive a swing mechanism consisting of the swing gear and the rack to swing left and right, and swing trajectory of the milling cutter and rotation trajectory of outer periphery of the workpiece are superposed into three-dimensional curves to be processed.
Description
Technical field
The utility model relates to a kind of machining equipment, especially relates to a kind of plastic circular loom three-dimensional curve cam processing unit (plant).
Background technology
Plastic circular loom main frame cam mainly contains two kinds of series, and a kind of is that the two-dimensional curve cam also claims cylindrical cam, and another kind is three curve cams.Three-dimensional curve cam for plastic circular loom, also claim plane cam, be a kind of novel plastic circular loom cam that grew up in recent years, the shuttle quantitative classification according to plastic circular loom has four shuttles, six shuttles, eight shuttles etc., shuttle quantity difference, four shuttle machines are oval, six shuttles are triangle, and eight shuttle machines are square; Curve changes in x, y, z three-dimensional, and its substantial linear also belongs to cosine curve.Adopt five machining centers to the processing of this cam both at home and abroad, but the cost of its input is very big; Also there is the exploitation special processing equipment to process, the productivity ratio of special processing equipment is higher, crudy is easy to control, for example be called the special processing equipment of " a kind of processing globoid cam and complex curved surface parts CNC milling machine " (patent No. ZL03218823.4), parts such as its lathe bed U based on Y3180 type gear-hobbing machine, column, length feed slide plate and rotary table are set up main spindle box and main motor on rotary table; Set up auxiliary fan-shaped guide rail at the rotary table rear portion; Vertical moving slide board is installed on the guide rail of column, on vertical moving slide board, horizontal travelling table is housed; This utility model complete machine adopts the motion control of five-axle linkage, have rigidity foot, characteristics such as the main shaft pivot angle is big, but complex structure is difficult to control, control system too complexity easily cause the crudy instability, be applied to the processing of three-dimensional curve cam, can make cost too high.
Summary of the invention
The utility model main purpose provides a kind of plastic circular loom three-dimensional curve cam processing unit (plant), and it is simple in structure, be easy to control, cost is lower.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of plastic circular loom three-dimensional curve cam processing unit (plant), comprise transmission mechanism, milling head and milling cutter, it is characterized in that: described milling head is provided with rotating shaft, be fixed with wobble gear in the rotating shaft, slide plate is provided with the tooth bar with the wobble gear engagement; The driving-chain end of described transmission mechanism is a slider-crank mechanism, and the output of slider-crank mechanism is connected with slide plate, and slide plate is connected with external device (ED) by line slideway mechanism, and slide plate is actuated the rectilinear motion that can do down up and down reciprocatingly at slider-crank mechanism.Utilize the Y380H gear-hobbing machine, remove the gear hobbing knife rest, the utility model is installed on it again, wherein, slide plate is connected with gear-hobbing machine by line slideway, and the input of transmission mechanism is connected with the power take-off mechanism of gear-hobbing machine; Add man-hour, workpiece is installed on the workbench of gear-hobbing machine, workpiece rotates with workbench, slider-crank mechanism is done synchronous moving up and down, and the swing mechanism that drives wobble gear and tooth bar formation swings, and milling head is swung with wobble gear, according to theory of mechanics, it is exactly three-dimensional curve that the rotary track in excircle of workpiece week, the swinging track of milling head are superimposed, that is the swinging track of milling cutter and all rotating tracks of excircle of workpiece, is overlapped into the three-dimensional curve of required processing; According to the difference of plastic circular loom cam curve stroke size, change the length of crank, just can realize the Curve Machining of different strokes.This structure, simple in structure, be easy to make, cost of manufacture is lower.
Because the stroke of plastic circular loom three-dimensional curve cam changes on diametric(al), and the angle proportionate relationship of radius arc section and curved section such as have; Some plastic circular loom cam has only curved section, also have some have simultaneously curved section and etc. the radius arc section; Curved section is generated by slider-crank mechanism, and for the plastic circular loom cam of radius arc sections such as existence, auxiliary body still needs; As preferably, described transmission mechanism comprises incomplete gear mechanism, and this incomplete gear mechanism comprises driving gear and driven gear.When driving gear, driven gear engagement, the Processing Curve section; Driving gear, driven gear break away from when meshing, and driving gear rotates, and driven gear does not rotate, the processing of radius arc sections such as realization; Because the three-D cam of different size, its curved section with etc. the ratio of radius arc section different, at this moment, ratio according to curved section and straightway, replaceable incomplete gear mechanism, to adjust driving gear, driven gear number of teeth ratio, make it the accommodation curve section with etc. the ratio of radius arc section, thereby realize the processing of different cams.
The effect of toggle in driving-chain is rotatablely moving in the transmission mechanism to be converted to the rectilinear motion up and down reciprocatingly of slide plate; The structure of toggle has various ways, and crank can be to swing with the link of driven gear, also can be to swing with the link of slide block; As preferably, described slider-crank mechanism comprises slide block, crank and driven gear, and this crank one end is fixed on the driven gear, the other end is connected in slide block rotationally; Described slide plate level is provided with bar-shaped trough, and slide block is located in this bar-shaped trough slidably.This structure, slide block rotates with crank and driven gear, and meanwhile, slide block is done relative horizontal slip in the bar-shaped trough of slide plate, and the drive slide plate moves up at upper and lower.
In order to improve cutting power, as preferably, the profile of tooth on the described tooth bar is a helical teeth.Compared to straight-tooth, the helical teeth bearing capacity is higher, can bear higher from the cutting component on the milling cutter; When especially being the curved section of non-radius such as grade, the bearing capacity of tooth bar, gear is high more, and then the cutting power of milling head stability high more, cutting is good more.
As previously mentioned, the formation of Processing Curve is the combination of three kinds of motions, thus need to guarantee that three motions can be synchronous, thus ensure the machining accuracy of curve; As preferably, the transmission middle-of-chain transmission of described transmission mechanism is gear drive.Gear drive can guarantee synchronism effectively, and the unlikely intermediate link skidding that transmission occurs has guaranteed the crudy of curve, when especially producing in batches, and the quality height of processing, and have good uniformity.
As preferably, the driving-chain input of described transmission mechanism is the rectangular spline axle.The rectangular spline axle, reliable transmission, easy for installation.
Therefore, the utlity model has following beneficial effect:
1, the crank of replaceable different length is realized the Curve Machining of different strokes;
2, replaceable different incomplete gear mechanism is realized the different arcs that waits radius and the Curve Machining of curved section ratio;
3, milling cutter moves up and down, swings and turn round combining of three kinds of motions with workpiece, constitutes the Curve Machining of three-D cam, and driving-chain is simple and reliable, is easy to control;
4, driving-chain reliable and stable, have synchronism preferably, make the three-D cam quality of processing higher, and have good uniformity;
5, overall structure simple, be easy to make, cost of manufacture is lower.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is schematic diagrames that the utility model is installed and used state;
Accompanying drawing 3 is schematic diagrames that slide plate is connected with external device (ED);
Accompanying drawing 4 is vertical views of accompanying drawing 3.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the utility model plastic circular loom three-dimensional curve cam processing unit (plant), as shown in Figure 1, it comprises transmission mechanism, milling head 2 and milling cutter 1, and milling head 2 is provided with rotating shaft 14, be fixed with wobble gear 13 in the rotating shaft 14, slide plate 3 is provided with the tooth bar 12 with wobble gear 13 engagements; The driving-chain end of transmission mechanism is a slider-crank mechanism, and the output of slider-crank mechanism is connected with slide plate 3, and slide plate 3 is connected with external device (ED) by line slideway mechanism, and slide plate 3 is actuated the rectilinear motion that can do down up and down reciprocatingly at slider-crank mechanism; Profile of tooth on the tooth bar 12 is a helical teeth.
Slider-crank mechanism comprises slide block 4, crank 5 and driven gear 6, and these crank 5 one ends are fixed on the driven gear 6, the other end is connected in slide block 4 rotationally; Slide plate 3 levels are provided with bar-shaped trough 31, and slide block 4 is located in this bar-shaped trough 31 slidably.
Transmission mechanism comprises incomplete gear mechanism, and this incomplete gear mechanism comprises driving gear 7 and driven gear 6.The transmission middle-of-chain transmission of transmission mechanism is gear drive.The driving-chain input of transmission mechanism is a rectangular spline axle 9.
The state of installing and using of the present utility model, as shown in Figure 2, utilize the Y380H gear-hobbing machine, remove the gear hobbing knife rest, again the utility model is installed on it, wherein, slide plate 3 is fixed on the guide rail base 18 on the gear-hobbing machine lathe bed 10 by line slideway 17, and milling head 2 is rotatably mounted on the guide rail base 18; The input of transmission mechanism is connected with the power take-off mechanism of gear-hobbing machine; Workpiece 19 rotates with workbench 11, slider-crank mechanism is done synchronous moving up and down, and the swing mechanism that drives wobble gear 13 and tooth bar 12 formations swings, milling head 2 is with wobble gear 13 swings, according to theory of mechanics, the rotary track of workpiece 19 excircles, the swinging track of milling head 2 is superimposed is exactly three-dimensional curve, that is the swinging track of milling cutter 1 and the rotating track of workpiece 19 excircles, is overlapped into the three-dimensional curve of required processing.In above motion, milling cutter 1 rotation on milling head 2 is cut workpiece to be machined.
Plastic circular loom three-dimensional curve cam as herein described, its stroke changes on diametric(al), cam curve such as has at the arc of radius and the curved section of radius such as non-, be distributed in waiting in the radius curved surface of cam center Deng the arc of radius, the non-curved section that waits radius is distributed in the curved surface of different radii of cam center.
For the ease of narration, this paper has adopted term positions such as upper and lower, left and right, and the direction of these term position representatives is meant direction shown in the drawings.
Present embodiment is describing with a kind of better embodiment of the present utility model; and it is non-limiting; for the technical staff of the industry; can some structure in described herein be substituted or change; for example crank 5 directly is not connected on the driven gear 6; and corresponding transition apparatus is set between the two; for example the rectangular spline axle 9 of the input of transmission mechanism can be made as other structures again; for example bar-shaped trough 31 variable being changed on the slide plate 3 are located on the slide block 4 again; but these changes; belong to simple technology conversion, do not break away from know-why of the present utility model, still belong to protection domain of the present utility model.
Claims (6)
1. plastic circular loom three-dimensional curve cam processing unit (plant), comprise transmission mechanism, milling head (2) and milling cutter (1), it is characterized in that: described milling head (2) is provided with rotating shaft (14), be fixed with wobble gear (13) in the rotating shaft (14), slide plate (3) is provided with the tooth bar (12) with wobble gear (13) engagement; The driving-chain end of described transmission mechanism is a slider-crank mechanism, the output of slider-crank mechanism is connected with slide plate (3), slide plate (3) is connected with external device (ED) by line slideway mechanism, and slide plate (3) is actuated the rectilinear motion that can do down up and down reciprocatingly at slider-crank mechanism.
2. plastic circular loom three-dimensional curve cam processing unit (plant) according to claim 1, it is characterized in that: described transmission mechanism comprises incomplete gear mechanism, this incomplete gear mechanism comprises driving gear (7) and driven gear (6).
3. plastic circular loom three-dimensional curve cam processing unit (plant) according to claim 1 and 2, it is characterized in that: described slider-crank mechanism comprises slide block (4), crank (5) and driven gear (6), and these crank (5) one ends are fixed on the driven gear (6), the other end is connected in slide block (4) rotationally; Described slide plate (3) level is provided with bar-shaped trough (31), and slide block (4) is located in this bar-shaped trough (31) slidably.
4. plastic circular loom three-dimensional curve cam processing unit (plant) according to claim 1 and 2, it is characterized in that: the profile of tooth on the described tooth bar (12) is a helical teeth.
5. plastic circular loom three-dimensional curve cam processing unit (plant) according to claim 1 and 2 is characterized in that: the transmission middle-of-chain transmission of described transmission mechanism is gear drive.
6. plastic circular loom three-dimensional curve cam processing unit (plant) according to claim 1 and 2 is characterized in that: the driving-chain input of described transmission mechanism is rectangular spline axle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206358258U CN201880977U (en) | 2010-11-30 | 2010-11-30 | Processing device for three-dimensional curve cam of plastic circular loom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206358258U CN201880977U (en) | 2010-11-30 | 2010-11-30 | Processing device for three-dimensional curve cam of plastic circular loom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201880977U true CN201880977U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206358258U Expired - Fee Related CN201880977U (en) | 2010-11-30 | 2010-11-30 | Processing device for three-dimensional curve cam of plastic circular loom |
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| CN (1) | CN201880977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889738A (en) * | 2015-05-15 | 2015-09-09 | 龙口市蓝牙数控装备有限公司 | Six-axis and five-linkage numerical control turning and milling integrated machine tool |
| CN109322237A (en) * | 2018-11-26 | 2019-02-12 | 郑金生 | A kind of bridge equipped with rotation-reciprocating friction damper |
-
2010
- 2010-11-30 CN CN2010206358258U patent/CN201880977U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889738A (en) * | 2015-05-15 | 2015-09-09 | 龙口市蓝牙数控装备有限公司 | Six-axis and five-linkage numerical control turning and milling integrated machine tool |
| CN109322237A (en) * | 2018-11-26 | 2019-02-12 | 郑金生 | A kind of bridge equipped with rotation-reciprocating friction damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20131130 |