CN203316810U - Special-shaped hob used for machining gear shaver - Google Patents
Special-shaped hob used for machining gear shaver Download PDFInfo
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- CN203316810U CN203316810U CN2013204141353U CN201320414135U CN203316810U CN 203316810 U CN203316810 U CN 203316810U CN 2013204141353 U CN2013204141353 U CN 2013204141353U CN 201320414135 U CN201320414135 U CN 201320414135U CN 203316810 U CN203316810 U CN 203316810U
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- gear shaver
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Abstract
The utility model provides a special-shaped hob used for machining a gear shaver, and belongs to the technical field of machining tools. The special-shaped hob used for machining the gear shaver resolves the problems that an existing tool withdrawal groove of the gear shaver needs a drilling or groove milling procedure, and machining is troublesome. The special-shaped hob used for machining the gear shaver comprises a hob body with an axial inner hole, wherein a plurality of chipping tool teeth are evenly distributed in the circumferential direction of the hob body, a chipping blade which is designed in a transposition mode and used for machining an involute tooth shape of the gear shaver is arranged at a side of the chipping tool teeth, slotting tool teeth which protrude outwards in the radial direction of the hob body and are used for machining the tool withdrawal groove of the gear shaver are arranged at the tops of the chipping tool teeth, and the tooth tip of each slotting tool tooth is shaped as a round angle, and the lateral cutting edge of each slotting tool tooth is tangent with or intersected with the bottom of a chip containing groove to be machined. The special-shaped hob used for machining the gear shaver has the advantages of being high in machining accuracy, being high in machining efficiency, facilitating machining and the like.
Description
Technical field
The utility model belongs to the process tool technical field, relates to a kind of hobboing cutter, particularly a kind of special type hobboing cutter of processing gear shaver.
Background technology
Be accompanied by making rapid progress of modern high technology, gear technique has also been obtained tremendous development, and especially in recent years, in order to comply with the development trend of the large production of modernization, gear is just towards trend developments such as high accuracy, long-life, low costs.Processing to gear in prior art need to be carried out two steps: at first by gear hob for preshaving hobbing, tooth-formation of gear is processed, then by gear shaver, the profile of tooth processed is carried out to fine finishining.The gear shaver flank of tooth has row's chip pocket and flank of tooth formation cutting edge to add gear, and chip pocket is generally shaping, and gear shaver tooth root section need have escape to guarantee the processing of slotting chip pocket.
The traditional processing method of escape is on drilling machine, to adopt the processing mode of manual calibration to complete, and has that production efficiency is low, labor strength large, machining accuracy is difficult to the deficiency guaranteed, especially when producing in enormous quantities, and the drawback of more aobvious above-mentioned processing method.For above-mentioned deficiency, need be improved existing gear shaver escape processing unit (plant), make its accurate calibration automatically, to enhance productivity, to reduce labor strength, and improve machining accuracy, guarantee carrying out smoothly of production in enormous quantities.
For this reason, people's utility model a kind of gear shaver withdrawing hole processing device [Granted publication number is: CN202367237U], comprise drill bit device, universal dividing head rotation table device and PLC controller, drill bit device comprises drill bit and for driving the drill bit apparatus for controlling of lifting of drill bit lifting, the universal dividing head rotation table device comprises the index dial for place work piece, for the indexing motor that drives index dial to rotate, for the index dial lifting drive that drives the index dial lifting with for locking or unclamp the retaining mechanism of index dial, the PLC controller is controlled indexing motor, index dial lifting drive and retaining mechanism.
This gear shaver withdrawing hole processing device utilizes automatic control technology, makes the withdrawing hole manufacturing procedure of gear shaver realize automation, has effectively improved production efficiency, has alleviated workman's labour intensity, and has guaranteed machining accuracy.But it needs other lathe and frock processing, and processing difficulties and working (machining) efficiency are low, once locate inaccurately, the defective product rejection that causes of processing easily appears.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed that a kind of working (machining) efficiency is high, the special type hobboing cutter of the processing gear shaver of straight forming shaving cutter tooth profile and escape.
The purpose of this utility model can realize by following technical proposal:
The special type hobboing cutter of this processing gear shaver, comprise the cutter hub with axial bore, the circumferencial direction of described cutter hub is evenly distributed with some smear metal cutters tooth, it is characterized in that, the sidepiece of described smear metal cutter tooth have adopt the transposition design for processing the cutting edge of gear shaver involute profile, the top of described smear metal cutter tooth have along cutter hub, radially outward protrude for processing the grooving cutter tooth of gear shaver escape, the crown of described grooving cutter tooth is the fillet shape, and the side edge mouth of described grooving cutter tooth and chip pocket bottom land to be processed are tangent or crossing.
Add man-hour, can go out profile of tooth and the escape of gear shaver by the direct gear hobbing of this special type hobboing cutter, the crown of grooving cutter tooth is arranged to the fillet shape, chip pocket is being added to man-hour, can not destroy the involute profile of gear shaver, can guarantee the precision of the gear shaver that processes.
In the special type hobboing cutter of above-mentioned processing gear shaver, the shape of described grooving cutter tooth is calculated according to the degree of depth of chip pocket to be processed and the gear shaver rear required footpath of refacing, and the fillet size of described grooving cutter tooth crown is calculated according to the degree of depth of chip pocket to be processed and the gear shaver rear required footpath of refacing.
In the special type hobboing cutter of above-mentioned processing gear shaver, in described axial bore, there is keyway.The direction of keyway axially arranges along cutter hub.
Compared with prior art, the special type hobboing cutter of this processing gear shaver has the following advantages:
This special type hobboing cutter directly gear hobbing goes out profile of tooth and the escape of gear shaver, has reduced boring or groove milling operation, has improved working (machining) efficiency; And the crown of grooving cutter tooth is arranged to the fillet shape, and chip pocket is being added to man-hour, can not destroy the involute profile of gear shaver, can guarantee the precision of the gear shaver that processes.
The accompanying drawing explanation
Fig. 1 is the cutaway view of a kind of preferred embodiment of providing of the utility model.
Fig. 2 is the side view of a kind of preferred embodiment of providing of the utility model.
Fig. 3 is the machining state figure of the gear shaver that provides of the utility model.
Fig. 4 is the enlarged drawing at A place in Fig. 1 of providing of the utility model.
In figure, 1, cutter hub; 11, endoporus; 12, keyway; 2, smear metal cutter tooth; 21, cutting edge; 3, profile of tooth; 31, escape; 32, chip pocket; 4, grooving cutter tooth; 41, crown; 42, side edge mouth.
The specific embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
The special type hobboing cutter of this processing gear shaver, as depicted in figs. 1 and 2, comprise the cutter hub 1 with axial bore 11, has the keyway 12 axially arranged along cutter hub 1 in axial bore 11.The excircle direction of this cutter hub 1 is evenly distributed with some smear metal cutters tooth 2, as shown in Figure 1 and Figure 4, the sidepiece of smear metal cutter tooth 2 has the cutting edge 21 for processing gear shaver involute profile 3 that adopts the transposition design, the top of smear metal cutter tooth 2 have along cutter hub 1, radially outward protrude for processing the grooving cutter tooth 4 of gear shaver escape 31, as shown in Figure 4, the crown 41 of grooving cutter tooth 4 is the fillet shape, as shown in Figure 3, the side edge mouth 42 of grooving cutter tooth 4 is tangent or crossing with chip pocket 32 bottom lands to be processed.
Add man-hour, can go out profile of tooth 3 and the escape 31 of gear shaver by the direct gear hobbing of this special type hobboing cutter, the crown of grooving cutter tooth 4 41 is arranged to the fillet shape, chip pocket 32 is being added to man-hour, can not destroy the involute profile 3 of gear shaver, can guarantee the precision of the gear shaver that processes.
In the present embodiment, the shape of grooving cutter tooth 4 is calculated according to the degree of depth of chip pocket 32 to be processed and the gear shaver rear required footpath of refacing, and the fillet size of grooving cutter tooth 4 crowns 41 is calculated according to the degree of depth of chip pocket 32 to be processed and the gear shaver rear required footpath of refacing.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (3)
1. a special type hobboing cutter of processing gear shaver, comprise the there is axial bore cutter hub (1) of (11), the circumferencial direction of described cutter hub (1) is evenly distributed with some smear metal cutters tooth (2), it is characterized in that, the sidepiece of described smear metal cutter tooth (2) has the cutting edge (21) for processing gear shaver involute profile (3) that adopts the transposition design, the top of described smear metal cutter tooth (2) have along cutter hub (1), radially outward protrude for processing the grooving cutter tooth (4) of gear shaver escape (31), the crown (41) of described grooving cutter tooth (4) is the fillet shape, the side edge mouth (42) of described grooving cutter tooth (4) is tangent or crossing with chip pocket (32) bottom land to be processed.
2. the special type hobboing cutter of processing gear shaver according to claim 1, it is characterized in that, the shape of described grooving cutter tooth (4) is calculated according to the degree of depth of chip pocket to be processed (32) and the gear shaver rear required footpath of refacing, and the fillet size of described grooving cutter tooth (4) crown (41) is calculated according to the degree of depth of chip pocket to be processed (32) and the gear shaver rear required footpath of refacing.
3. the special type hobboing cutter of processing gear shaver according to claim 1 and 2, is characterized in that, has keyway (12) in described axial bore (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204141353U CN203316810U (en) | 2013-07-12 | 2013-07-12 | Special-shaped hob used for machining gear shaver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204141353U CN203316810U (en) | 2013-07-12 | 2013-07-12 | Special-shaped hob used for machining gear shaver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203316810U true CN203316810U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204141353U Expired - Fee Related CN203316810U (en) | 2013-07-12 | 2013-07-12 | Special-shaped hob used for machining gear shaver |
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| Country | Link |
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| CN (1) | CN203316810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341661A (en) * | 2013-07-12 | 2013-10-09 | 浙江上优刀具有限公司 | Special-shaped hobbing cutter for machining gear shaving cutter |
-
2013
- 2013-07-12 CN CN2013204141353U patent/CN203316810U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341661A (en) * | 2013-07-12 | 2013-10-09 | 浙江上优刀具有限公司 | Special-shaped hobbing cutter for machining gear shaving cutter |
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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: 20131204 Termination date: 20170712 |