CN203956174U - Large-scale arc-shaped rack auxiliary machining device - Google Patents
Large-scale arc-shaped rack auxiliary machining device Download PDFInfo
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- CN203956174U CN203956174U CN201420346965.1U CN201420346965U CN203956174U CN 203956174 U CN203956174 U CN 203956174U CN 201420346965 U CN201420346965 U CN 201420346965U CN 203956174 U CN203956174 U CN 203956174U
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- shaped rack
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Abstract
The utility model discloses a kind of large-scale arc-shaped rack auxiliary machining device, comprise milling machine, point tooth model, positioning cylinder and location-plate; Described milling machine is provided with side milling head, on the milling head of described side, molding gear cutter is installed, and described lathe bed is provided with T-shaped groove; Described point of tooth model is fixedly mounted on lathe bed, and described point of tooth model is provided with at least three points of teeth towards the side of side milling head, and point tooth section and arc-shaped rack blank to be processed that described at least three points of teeth form match; Three described positioning cylinders are arranged on the lathe bed of milling machine, and one of them positioning cylinder and two other positioning cylinder are respectively near two cambered surfaces of arc-shaped rack blank to be processed; Described location-plate is provided with positioning tooth, and it matches with a point teeth groove.It adopts three-point circle principle the utility model, makes full use of lathe existing equipment, efficiently solves the technical barrier of large-scale arc rack processing, and simple in structure, easy to use, low cost of manufacture, has good practical value.
Description
Technical field
The utility model belongs to field of machining, is specifically related to a kind of large-scale arc-shaped rack auxiliary machining device.
Background technology
The common method of Gear Processing has two kinds: one is generating, generally on gear-hobbing machine, carries out; One is form cutting, generally on gear shapping machine, carries out.Large-scale arc-shaped rack is because radius of curvature is large, its physical dimension has exceeded the scope of gear cutting machine, common dedicated gear machining tool is difficult to processing, for solving this manufacture difficult problem, a lot of manufacturing firms design special auxiliary circular arc mold according to rack structure, circular arc mold and gear gear device have been combined to tooth bar and divided tooth to process.But due to auxiliary circular arc mold and arc-shaped rack, to be used in conjunction with required precision high, and can only, for specific arc rack product, do not have generality, thereby manufacturing cost be higher.
Utility model content
The purpose of this utility model is to provide a kind of large-scale arc-shaped rack auxiliary machining device, it adopts three-point circle principle, make full use of lathe existing equipment, efficiently solve the technical barrier of large-scale arc rack processing, and simple in structure, easy to use, low cost of manufacture, there is good practical value.
The utility model solves the technical scheme that its technical problem adopts:
A kind of large-scale arc-shaped rack auxiliary machining device is provided, and this device comprises milling machine, point tooth model, positioning cylinder and location-plate;
Described milling machine is provided with side milling head, on the milling head of described side, molding gear cutter is installed, and the lathe bed of described milling machine is provided with the T-shaped groove of fastening arc-shaped rack blank to be processed;
Described point of tooth model is fixedly mounted on lathe bed, described point of tooth model is provided with at least three points of teeth towards the side of side milling head, point tooth section and arc-shaped rack blank to be processed that described at least three points of teeth form match, described at least three points of teeth form at least two points of teeth groove, and one of them divides the center line of teeth groove and the center line of side milling head to be positioned on same vertical guide;
Three described positioning cylinders are arranged on the lathe bed of milling machine, and not point-blank, one of them positioning cylinder and two other positioning cylinder are respectively near two cambered surfaces of arc-shaped rack blank to be processed for these three positioning cylinders;
Described location-plate is provided with positioning tooth, and described positioning tooth matches with a point teeth groove.
By technique scheme, described one of them positioning cylinder is between two other positioning cylinder.
By technique scheme, this device also comprises the pressing plate for compressing arc-shaped rack blank to be processed, and described pressing plate is arranged on the lathe bed of milling machine.
By technique scheme, the side of described point of tooth model is provided with four points of teeth, and described four points of teeth form three points of teeth groove, and the center line of a point of teeth groove and the center line of side milling head in the middle of being positioned at are positioned on same vertical guide.
The utility model, there is following beneficial effect: this device adopts three-point circle principle, when arc-shaped rack moves between 3 positioning cylinders, its center of arc is constant all the time, coordinate again point tooth model and a location-plate, efficiently solve the technical barrier of large-scale arc rack processing, and simple in structure, easy to use, low cost of manufacture, good practical value there is.
Concrete, after this device has been assembled, first arc-shaped rack blank to be processed (hereinafter to be referred as arc-shaped rack) is arranged on by T-shaped groove on the lathe bed of milling machine, the extrados of arc-shaped rack is concordant with point tooth section of point tooth model, the center of arc that adjusts arc-shaped rack, makes itself and milling head center, lathe side on same vertical guide, then utilizes three positioning cylinders to determine arc-shaped rack center, while ensureing that arc-shaped rack moves between three positioning cylinders, center of arc is constant all the time; Start side milling head, the rotation of molding gear cutter, milling head moves up and down, and processes the 1st teeth groove of arc-shaped rack, after machining after tool feeding, move arc-shaped rack position along cambered surface direction, the 1st teeth groove of processing is overlapped with location-plate inspection with the 2nd teeth groove on point tooth model, then compress arc-shaped rack, repeat above-mentioned steps, continue all the other teeth groove of processing arc-shaped rack, until machine.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the enlarged diagram at I place in Fig. 1.
Wherein: 1-milling machine, 2-T type groove, 3-arc-shaped rack blank to be processed, 4-divide tooth model, 41-to divide tooth, 42-to divide teeth groove, 5-bolt, 6-the 1st teeth groove, 7-molding gear cutter, 8-side milling head, 9-positioning cylinder, 10-pressing plate, 11-the 2nd teeth groove, 12-location-plate.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
In preferred embodiment of the present utility model, as shown in Figure 1 and Figure 2, provide a kind of large-scale arc-shaped rack auxiliary machining device, this device comprises milling machine 1, point tooth model 4, positioning cylinder 9 and location-plate 12;
Milling machine 1 is provided with side milling head 8, and molding gear cutter 7 is installed on side milling head 8, and the lathe bed of milling machine 1 is provided with the T-shaped groove 2 of fastening arc-shaped rack blank 3 to be processed;
Divide tooth model 4 to be fixedly mounted on lathe bed, be specially by bolt 5 and be arranged on lathe bed, divide tooth model 4 to be provided with at least three points of teeth 41 towards the side of 8 of side millings, point tooth section and arc-shaped rack blank 3 to be processed that at least three points of teeth 41 form match, at least three points of teeth 41 form at least two points of teeth groove 42, one of them divides the center line of teeth groove and the center line of side milling head 8 to be positioned on same vertical guide, and point tooth model 4 in the present embodiment adopts steel plate Precision Machining on nc wire-cutting that 10mm is thick to form;
Three positioning cylinders 9 are arranged on the lathe bed of milling machine 1, these three positioning cylinders 9 are not point-blank, one of them positioning cylinder and two other positioning cylinder are respectively near two cambered surfaces of arc-shaped rack blank to be processed, when one of them location is during near the intrados of arc-shaped rack blank to be processed, two other positioning cylinder is near the extrados of arc-shaped rack blank to be processed, when one of them positioning cylinder is during near the extrados of arc-shaped rack blank to be processed, two other positioning cylinder is near the intrados of arc-shaped rack blank to be processed;
Location-plate 12 is provided with positioning tooth, and positioning tooth matches with a point teeth groove 42.
As shown in Figure 1, one of them positioning cylinder is between two other positioning cylinder, and two other positioning cylinder lays respectively at the two ends of arc-shaped rack, can ensure the stationarity that arc-shaped rack moves.
As shown in Figure 1, this device also comprises the pressing plate 10 for compressing arc-shaped rack blank to be processed, and pressing plate 10 is arranged on the lathe bed of milling machine 1, adopt pressing plate can compress arc-shaped rack, and only need unclamp the nut on pressing plate, and just can make arc-shaped rack rotate, after rotateing in place, lock again.
As shown in Figure 1, the side of point tooth model 4 is provided with 41, four points of teeth 41 of four points of teeth and forms three points of teeth groove 42, and the center line of a point of teeth groove 42 and the center line of side milling head in the middle of being positioned at are positioned on same vertical guide.
The course of work of the present utility model is: after this device has been assembled, first arc-shaped rack blank to be processed (hereinafter to be referred as arc-shaped rack) is arranged on by T-shaped groove on the lathe bed of milling machine, the extrados of arc-shaped rack is concordant with point tooth section of point tooth model, adjust the center of arc of arc-shaped rack, make itself and milling head center, lathe side on same vertical guide, then utilize three positioning cylinders to determine arc-shaped rack center, while ensureing that arc-shaped rack moves between three positioning cylinders, center of arc is constant all the time, then compresses arc-shaped rack with pressing plate; Start side milling head, the rotation of molding gear cutter, milling head moves up and down, and processes the 1st teeth groove 6 of arc-shaped rack after tool feeding, after machining, unclamp pressing plate, move arc-shaped rack position along cambered surface direction, the 1st teeth groove 6 of processing is overlapped with the 2nd teeth groove 11 use location-plate inspections on point tooth model, then compress arc-shaped rack with pressing plate, repeat above-mentioned steps, continue all the other teeth groove of processing arc-shaped rack, until machine.
The utility model adopts three-point circle principle, when arc-shaped rack moves between 3 positioning cylinders, its center of arc is constant all the time, coordinate again point tooth model and a location-plate, efficiently solve the technical barrier of large-scale arc rack processing, and simple in structure, easy to use, low cost of manufacture, there is good practical value.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of the utility model claims.
Claims (4)
1. a large-scale arc-shaped rack auxiliary machining device, is characterized in that, this device comprises milling machine, point tooth model, positioning cylinder and location-plate;
Described milling machine is provided with side milling head, on the milling head of described side, molding gear cutter is installed, and the lathe bed of described milling machine is provided with the T-shaped groove of fastening arc-shaped rack blank to be processed;
Described point of tooth model is fixedly mounted on lathe bed, described point of tooth model is provided with at least three points of teeth towards the side of side milling head, point tooth section and arc-shaped rack blank to be processed that described at least three points of teeth form match, described at least three points of teeth form at least two points of teeth groove, and one of them divides the center line of teeth groove and the center line of side milling head to be positioned on same vertical guide;
Three described positioning cylinders are arranged on the lathe bed of milling machine, and not point-blank, one of them positioning cylinder and two other positioning cylinder are respectively near two cambered surfaces of arc-shaped rack blank to be processed for these three positioning cylinders;
Described location-plate is provided with positioning tooth, and described positioning tooth matches with a point teeth groove.
2. device according to claim 1, is characterized in that, described one of them positioning cylinder is between two other positioning cylinder.
3. device according to claim 1, is characterized in that, this device also comprises the pressing plate for compressing arc-shaped rack blank to be processed, and described pressing plate is arranged on the lathe bed of milling machine.
4. device according to claim 1, is characterized in that, the side of described point of tooth model is provided with four points of teeth, and described four points of teeth form three points of teeth groove, and the center line of a point of teeth groove and the center line of side milling head in the middle of being positioned at are positioned on same vertical guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346965.1U CN203956174U (en) | 2014-06-27 | 2014-06-27 | Large-scale arc-shaped rack auxiliary machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420346965.1U CN203956174U (en) | 2014-06-27 | 2014-06-27 | Large-scale arc-shaped rack auxiliary machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203956174U true CN203956174U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420346965.1U Expired - Fee Related CN203956174U (en) | 2014-06-27 | 2014-06-27 | Large-scale arc-shaped rack auxiliary machining device |
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| CN (1) | CN203956174U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364419A (en) * | 2015-12-10 | 2016-03-02 | 常州天山重工机械有限公司 | Method for processing keyway through helical gear |
| CN105364241A (en) * | 2015-12-18 | 2016-03-02 | 山东豪迈机械制造有限公司 | Method and device for machining chamfers of compressor gear rings |
| CN114211310A (en) * | 2021-11-23 | 2022-03-22 | 一重集团天津重工有限公司 | Centering machining method for internal spline of synchronous gear of rotary hub flying shear |
-
2014
- 2014-06-27 CN CN201420346965.1U patent/CN203956174U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364419A (en) * | 2015-12-10 | 2016-03-02 | 常州天山重工机械有限公司 | Method for processing keyway through helical gear |
| CN105364241A (en) * | 2015-12-18 | 2016-03-02 | 山东豪迈机械制造有限公司 | Method and device for machining chamfers of compressor gear rings |
| CN114211310A (en) * | 2021-11-23 | 2022-03-22 | 一重集团天津重工有限公司 | Centering machining method for internal spline of synchronous gear of rotary hub flying shear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170717 Address after: 430083, Gate No. 2, Qingshan District, Hubei, Wuhan Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Wuhan, Hubei Friendship Road, No. 999, Wuchang Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| 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: 20141126 Termination date: 20180627 |