CN204545601U - The processing unit (plant) of outer engagement tooth - Google Patents
The processing unit (plant) of outer engagement tooth Download PDFInfo
- Publication number
- CN204545601U CN204545601U CN201520055254.3U CN201520055254U CN204545601U CN 204545601 U CN204545601 U CN 204545601U CN 201520055254 U CN201520055254 U CN 201520055254U CN 204545601 U CN204545601 U CN 204545601U
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- CN
- China
- Prior art keywords
- workpiece spindle
- outer engagement
- engagement tooth
- cutter
- cutter shaft
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Abstract
The utility model relates to a kind of processing unit (plant) of outer engagement tooth, it comprises workpiece spindle, workpiece spindle motor, cutter, cutter shaft and cutter shaft motor, described workpiece spindle motor drives and connects described workpiece spindle, described workpiece spindle connects outer engagement tooth for driving, described cutter shaft motor drives and connects described cutter shaft, described cutter shaft drives and connects described cutter, the side of described cutter is provided with cutter head, under machining state, the axis of described workpiece spindle and the axis of described cutter shaft are in same level, and be parallel to each other, described outer engagement tooth and described cutter all rotate.The utility model is processed based on the external soldered tooth of curtate epicycloid occurring principle, and curtate epicycloid approaches involute can obtain higher approximation accuracy, can realize high accuracy and the high efficiency processing of outer engagement tooth.
Description
Technical field
The utility model relates to field of machining, particularly relates to a kind of processing unit (plant) of outer engagement tooth.
Background technology
In modern transmission system, realize gear shift by tooth cover and engaging each other of outer engagement tooth in synchronized, and ensure that the gear be linked into is solid and reliable.At present, the conventional processing method of outer engagement tooth is gear shaping method, and corresponding process equipment is gear shapping machine.The machining accuracy of this device and efficiency are all lower, are difficult to meet the Vehicle Industry such as large truck, motorbus, car of develop rapidly to the synchronized manufacture requirements of high accuracy, low cost.
Utility model content
The purpose of this utility model is the processing unit (plant) proposing a kind of outer engagement tooth, and it can realize high accuracy, the high efficiency processing of outer engagement tooth.
For achieving the above object, the utility model provides a kind of processing unit (plant) of outer engagement tooth, it comprises workpiece spindle, workpiece spindle motor, cutter, cutter shaft and cutter shaft motor, described workpiece spindle motor drives and connects described workpiece spindle, described workpiece spindle connects outer engagement tooth for driving, described cutter shaft motor drives and connects described cutter shaft, described cutter shaft drives and connects described cutter, the side of described cutter is provided with cutter head, under machining state, the axis of described workpiece spindle and the axis of described cutter shaft are in same level, and be parallel to each other, described outer engagement tooth and described cutter all rotate.
One preferably or in embodiment, described workpiece spindle and described workpiece spindle motor are supported by workpiece spindle box, and described cutter shaft and described cutter shaft motor are supported by tool head.
One preferably or in embodiment, described workpiece spindle box by workpiece adjusting device adjusting position, and then regulates described workpiece spindle relative to the axial distance of described cutter shaft.
One preferably or in embodiment, described workpiece adjusting device comprises the first guide rail, the first motor and the first ball-screw, described first motor drives and connects described first ball-screw, described first ball-screw drives and connects described workpiece spindle box, described workpiece spindle box is arranged on described first guide rail, and can move along described first guide rail under the drive of described first ball-screw.
One preferably or in embodiment, described tool head by cutter adjusting device adjusting position, and then regulates described cutter shaft relative to the radial distance of described workpiece spindle.
One preferably or in embodiment, described cutter adjusting device comprises the second guide rail, the second motor and the second ball-screw, described second motor drives and connects described second ball-screw, described second ball-screw drives and connects described tool head, described tool head is arranged on described second guide rail, and can move along described second guide rail under the drive of described second ball-screw.
One preferably or in embodiment, the processing unit (plant) of described outer engagement tooth also comprises the support unit of the processing unit (plant) for supporting whole described outer engagement tooth.
One preferably or in embodiment, described workpiece spindle motor and cutter shaft motor are embedded servo principal axis motor, and described cutter shaft and described workpiece spindle all adopt embedded servo principal axis motor to carry out Direct driver.
Based on technique scheme, the utility model at least has following beneficial effect:
The processing unit (plant) structure of the outer engagement tooth that the utility model provides is simple, cost is low, process based on the external soldered tooth of curtate epicycloid occurring principle, curtate epicycloid approaches involute can obtain higher approximation accuracy, can realize high accuracy and the high efficiency processing of outer engagement tooth.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The structural representation of the outer engagement tooth that Fig. 1 (a) provides for the utility model;
The M that Fig. 1 (b) is Fig. 1 (a) is to schematic diagram;
The front schematic view of the processing unit (plant) of the outer engagement tooth that Fig. 2 provides for the utility model;
The schematic rear view of the processing unit (plant) of the outer engagement tooth that Fig. 3 provides for the utility model;
The relative position schematic diagram of the tool sharpening outer engagement tooth that Fig. 4 provides for the utility model;
Fig. 5 is that the curtate epicycloid that the utility model adopts approaches the schematic diagram of the whole effect of involute;
Fig. 6 is that the curtate epicycloid that the utility model adopts approaches the schematic diagram of involute partial result.
Attached number in the figure:
1-outer engagement tooth; 2-cutter; 3-support unit; 4-first guide rail; 5-first ball-screw; 6-workpiece spindle; 7-workpiece spindle box; 8-second ball-screw; 9-second guide rail; 10-tool head; 11-cutter shaft; 12-root circle; 13-outside circle; 14-curtate epicycloid; 15-involute.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
The processing unit (plant) of the outer engagement tooth that the utility model provides approaches the principle of involute according to curtate epicycloid, on the basis of involute spur gear outside, carries out the processing of outer engagement tooth 1.As shown in Fig. 1 (a) He Fig. 1 (b), it is the structural representation of the outer engagement tooth 1 that the utility model provides.
As Fig. 2, shown in Fig. 3, the illustrative examples of the processing unit (plant) of the outer engagement tooth provided for the utility model, in this illustrative examples, the processing unit (plant) of outer engagement tooth comprises workpiece spindle 6 (w axle), workpiece spindle motor, cutter 2, cutter shaft 11 (c-axis) and cutter shaft motor, workpiece spindle motor drives and connects workpiece spindle 6, workpiece spindle 6 connects outer engagement tooth 1 for driving, cutter shaft motor drives and connects cutter shaft 11, cutter shaft 11 drives and connects cutter 2, the side of cutter 2 is provided with cutter head, under machining state, the axis of workpiece spindle 6 and the axis of cutter shaft 11 are in same level, and be parallel to each other, outer engagement tooth 1 and cutter 2 respectively under the drive of workpiece spindle 6 and cutter shaft 11 with the revolution at a high speed of preset speed ratio.
In the illustrative examples of the processing unit (plant) of the outer engagement tooth provided at the utility model, workpiece spindle 6 and workpiece spindle motor can be supported by workpiece spindle box 7, and cutter shaft 11 and cutter shaft motor can be supported by tool head 10.
In the illustrative examples of the processing unit (plant) of the outer engagement tooth provided at the utility model, workpiece spindle box 7 can pass through workpiece adjusting device adjusting position, and then regulates workpiece spindle 6 relative to the axial distance (z is to distance) of cutter shaft 11.Workpiece adjusting device can comprise the first guide rail 4, first motor and the first ball-screw 5, first motor drives connection first ball-screw 5, first ball-screw 5 drives and connects workpiece spindle box 7, first ball-screw 5 is positioned at the first guide rail 4, workpiece spindle box 7 is arranged on the first guide rail 4, start the first motor, drive the first ball-screw 5 to rotate, and then drive workpiece spindle box 7 to move along the first guide rail 4.
In the illustrative examples of the processing unit (plant) of the outer engagement tooth provided at the utility model, tool head 10 can pass through cutter adjusting device adjusting position, and then regulates cutter shaft 11 relative to the radial distance (x is to distance) of workpiece spindle 6.Cutter adjusting device can comprise the second guide rail 9, second motor and the second ball-screw 8, second motor drives connection second ball-screw 8, second ball-screw 8 drives and connects tool head 10, second ball-screw 8 is arranged in the second guide rail 9, tool head 10 is arranged on the second guide rail 9, start the second motor, drive the second ball-screw 8 to rotate, and then carry its tools main spindle box 10 moves along the second guide rail 9.
In the illustrative examples of the processing unit (plant) of the outer engagement tooth provided at the utility model, also comprise the support unit 3 of the processing unit (plant) for supporting whole outer engagement tooth.
In above-mentioned illustrative examples, workpiece spindle motor and cutter shaft motor all can adopt embedded servo principal axis motor, cutter shaft 11 and workpiece spindle 6 all can carry out Direct driver by embedded servo principal axis motor, and the axis of cutter shaft 11 and workpiece spindle 6 to be in same level and to be parallel to each other.
The processing unit (plant) of the outer engagement tooth that the utility model provides, approaches the principle of involute based on curtate epicycloid, on the basis of involute spur gear outside, carry out the processing of outer engagement tooth 1, it specifically comprises the following steps:
S10) adjust radial distance and the axial distance of cutter shaft 11 and workpiece spindle 6, specifically comprise:
S11) adjust the initial position of cutter 2 and outer engagement tooth 1, the center line of the point of a knife of cutter 2 and one of them teeth groove of outer engagement tooth 1 is aligned, adjustment cutter 2 aligns with the center line of teeth groove, is easier to realize, easy to adjust;
S12) adjust cutter 2 and the radial distance of outer engagement tooth 1, make the point of a knife of cutter 2 be positioned at the outside circle position of outer engagement tooth 1;
S13) adjust the axial distance of cutter 2 and outer engagement tooth 1, guarantee that cutter 2 can cut the full-depth tooth of outer engagement tooth 1 long;
S20) cutter shaft 11 and workpiece spindle 6 are according to the revolution of preset speed ratio, and cutter 2 radial feed, ensure that cutter 2 can cut the fully teeth height of outer engagement tooth 1;
S30) an additional rotating speed is applied to cutter 2, cutter 2 deflects relative to outer engagement tooth 1, now the point of a knife of cutter 2 and the center line of teeth groove no longer align, form drift angle, be convenient to the cutting of external soldered tooth 1, realize the rotary feed of the relative outer engagement tooth 1 of cutter 2, formation cutter 2 as shown in Figure 4 and the distribution form of outer engagement tooth 1;
S40) cutter shaft 11 and workpiece spindle 6 are by step S20) in speed ratio revolution, the movement locus guaranteeing the relative outer engagement tooth 1 of the point of a knife of cutter 2 is curtate epicycloid, and the required precision approaching involute met as shown in Figure 5 and Figure 6, be specially in Fig. 6, curtate epicycloid 14 approaches the involute 15 between outside circle 13 and root circle 12.
S50) according to step S40) complete the processing of outer engagement tooth 1 all teeth groove one lateral tooth flank circumferentially;
S60) when cutter shaft 11 and workpiece spindle 6 rotating speed constant, radial withdrawing, gets back to step S10) relative position;
S70) cutter shaft 11 and workpiece spindle 6 all rotate backward, then completing steps S20 successively)-S40), and then complete the processing of outer engagement tooth 1 all teeth groove opposite side flank of tooth circumferentially, machining of outer engagement tooth 1.
The utility model is the processing for outer engagement tooth 1, proposes a kind of processing unit (plant) based on curtate epicycloid occurring principle.Be processed as example with the fourth gear active outer engagement tooth in certain gearbox below, 1-6 and detailed description of the invention are further described the utility model by reference to the accompanying drawings.
Outer engagement tooth 1 as shown in Fig. 1 (a) He Fig. 1 (b), two flank of tooth of outer engagement tooth 1 are the involute helicoids that helical angle is equal, the hand of spiral is contrary, and its major parameter comprises number of teeth z, modulus m, pressure angle α
0, tip diameter d
a, root diameter d
f, facewidth L, the flank of tooth spiral angle of graduated circle β
s.By investigating L
jxteeth directional deviation in scope and L
kthe sphere distance deviation at place characterizes the crudy of outer engagement tooth 1.In this specific embodiment, outer engagement tooth 1 major parameter is the number of teeth 48, modulus 1.75mm, pressure angle 20 °, spiral angle of graduated circle 4 ° of 30' of tip diameter 86.65mm, root diameter 79.9mm, facewidth 4mm, the flank of tooth.The requirement on machining accuracy of this workpiece is at L
jxwithin the scope of=2mm, flank of tooth spiral angle of graduated circle lower deviation-10', the upper deviation+20'; At L
k=2.4mm place, the sphere distance adopting diameter 3.175mm amount ball to carry out detecting is 89.06mm, its upper deviation 0mm, lower deviation-0.06mm.
The utility model approaches principle of forming involute according to curtate epicycloid, outside on involute spur gear basis, carries out the processing of outer engagement tooth 1.The main process of the processing unit (plant) of the outer engagement tooth adopting the utility model to provide is as follows:
1) cutter 2 and outer engagement tooth 1 are turned back to relative initial position respectively under the driving of cutter shaft 11 with workpiece spindle 6, ensure that in process, the relative outer engagement tooth 1 of cutter 2 has correct initial position;
2) cutter shaft 11 and workpiece spindle 6 are by constant-speed ratio revolution at a high speed, and are positioned at the outside circle position of outer engagement tooth 1 by the point of a knife that the second motor and the second ball-screw 5 are driven into cutter 2; Wherein: the ratio coverage of cutter shaft 11 and workpiece spindle 6 can be 1.297 ~ 3.629;
3) cutter 2 relatively outer engagement tooth 1 axial feed, guarantees that cutter 2 can cut the full-depth tooth of outer engagement tooth 1 long;
4) cutter 2 outer engagement tooth 1 radial feed relatively, ensures that cutter 2 can cut the fully teeth height of outer engagement tooth 1;
5) add by cutter 2 rotary feed that rotating speed realizes the relative outer engagement tooth 1 of cutter 2, form the distribution form of the cutter 2 shown in accompanying drawing 4 and outer engagement tooth 1; Wherein: the scope that cutter 2 adds rotating speed can be 5 °/min ~ 20 °/min;
6) cutter 2 and outer engagement tooth 1 are by step 5) before speed ratio revolution at a high speed, guarantee that the point of a knife of cutter 2 relative outer engagement tooth 1 movement locus is curtate epicycloid, and meet and approach involute required precision shown in accompanying drawing 5,6;
7) according to step 6) complete the processing of outer engagement tooth 1 all teeth groove one lateral tooth flank circumferentially;
8) when cutter 2 and outer engagement tooth 1 rotating speed constant, radial withdrawing;
9) cutter 2 and outer engagement tooth 1 all rotate backward around own axes respectively, are turned back to the initial position of the processing teeth groove opposite side outer engagement flank of tooth, then completing steps 4 successively) ~ step 8), and then, complete the processing of outer engagement tooth 1.
The flank of tooth spiral angle of graduated circle deviation adopting contourgraph to detect the outer engagement tooth 1 that processing obtains is+10', and it is-0.05mm that amount ball and slide calliper rule detect sphere distance deviation.This testing result meets the required precision of outer engagement tooth 1 completely, illustrates that the utility model can realize high accuracy, the high efficiency processing of outer engagement tooth 1.
In description of the present utility model; it will be appreciated that; the word such as " first ", " second ", " the 3rd " is used to limit parts; be only used to be convenient to distinguish above-mentioned parts; as there is no Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as the restriction to the utility model protection domain.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (8)
1. the processing unit (plant) of an outer engagement tooth, it is characterized in that: comprise workpiece spindle (6), workpiece spindle motor, cutter (2), cutter shaft (11) and cutter shaft motor, described workpiece spindle motor drives and connects described workpiece spindle (6), described workpiece spindle (6) connects outer engagement tooth (1) for driving, described cutter shaft motor drives and connects described cutter shaft (11), described cutter shaft (11) drives and connects described cutter (2), the side of described cutter (2) is provided with cutter head, under machining state, the axis of described workpiece spindle (6) and the axis of described cutter shaft (11) are in same level, and be parallel to each other, described outer engagement tooth (1) and described cutter (2) all rotate.
2. the processing unit (plant) of outer engagement tooth as claimed in claim 1, it is characterized in that: described workpiece spindle (6) and described workpiece spindle motor are supported by workpiece spindle box (7), described cutter shaft (11) and described cutter shaft motor are supported by tool head (10).
3. the processing unit (plant) of outer engagement tooth as claimed in claim 2, it is characterized in that: described workpiece spindle box (7) by workpiece adjusting device adjusting position, and then regulates described workpiece spindle (6) relative to the axial distance of described cutter shaft (11).
4. the processing unit (plant) of outer engagement tooth as claimed in claim 3, it is characterized in that: described workpiece adjusting device comprises the first guide rail (4), the first motor and the first ball-screw (5), described first motor drives and connects described first ball-screw (5), the driving of described first ball-screw (5) connects described workpiece spindle box (7), described workpiece spindle box (7) is arranged on described first guide rail (4), and can be mobile along described first guide rail (4) under the drive of described first ball-screw (5).
5. the processing unit (plant) of the outer engagement tooth as described in any one of claim 2 ~ 4, it is characterized in that: described tool head (10) by cutter adjusting device adjusting position, and then regulates described cutter shaft (11) relative to the radial distance of described workpiece spindle (6).
6. the processing unit (plant) of outer engagement tooth as claimed in claim 5, it is characterized in that: described cutter adjusting device comprises the second guide rail (9), the second motor and the second ball-screw (8), described second motor drives and connects described second ball-screw (8), the driving of described second ball-screw (8) connects described tool head (10), described tool head (10) is arranged on described second guide rail (9), and can be mobile along described second guide rail (9) under the drive of described second ball-screw (8).
7. the processing unit (plant) of outer engagement tooth as claimed in claim 1, is characterized in that: the support unit (3) also comprising the processing unit (plant) for supporting whole described outer engagement tooth.
8. the processing unit (plant) of outer engagement tooth as claimed in claim 1, it is characterized in that: described workpiece spindle motor and cutter shaft motor are embedded servo principal axis motor, described cutter shaft (11) and described workpiece spindle (6) all adopt embedded servo principal axis motor to carry out Direct driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055254.3U CN204545601U (en) | 2015-01-27 | 2015-01-27 | The processing unit (plant) of outer engagement tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055254.3U CN204545601U (en) | 2015-01-27 | 2015-01-27 | The processing unit (plant) of outer engagement tooth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204545601U true CN204545601U (en) | 2015-08-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520055254.3U Expired - Fee Related CN204545601U (en) | 2015-01-27 | 2015-01-27 | The processing unit (plant) of outer engagement tooth |
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| Country | Link |
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| CN (1) | CN204545601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983734A (en) * | 2015-01-27 | 2016-10-05 | 徐工集团工程机械股份有限公司 | Machining device and method for external engaging teeth |
-
2015
- 2015-01-27 CN CN201520055254.3U patent/CN204545601U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105983734A (en) * | 2015-01-27 | 2016-10-05 | 徐工集团工程机械股份有限公司 | Machining device and method for external engaging teeth |
| CN105983734B (en) * | 2015-01-27 | 2018-09-04 | 徐工集团工程机械股份有限公司 | The processing method of outer engagement tooth |
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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: 20150812 Termination date: 20200127 |