CN203210045U - Jig for processing large-diameter reduced-tooth equal-gap gear rack - Google Patents
Jig for processing large-diameter reduced-tooth equal-gap gear rack Download PDFInfo
- Publication number
- CN203210045U CN203210045U CN 201320200354 CN201320200354U CN203210045U CN 203210045 U CN203210045 U CN 203210045U CN 201320200354 CN201320200354 CN 201320200354 CN 201320200354 U CN201320200354 U CN 201320200354U CN 203210045 U CN203210045 U CN 203210045U
- Authority
- CN
- China
- Prior art keywords
- tooth
- portable plate
- fixed head
- movable plate
- circle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a jig for processing a large-diameter reduced-tooth equal-gap gear rack, belongs to the technical field of machining jigs, and provides the jig which is simple in structure and convenient to use, and can complete processing of the reduced-tooth equal-gap gear rack on an ordinary end mill. The jig comprises a fixing plate, and is characterized in that a movable plate is arranged above the fixing plate through a pressing plate; two centripetal positioning pins are arranged corresponding to the edge of an inner side of the movable plate, on the fixing plate, and a first jack screw is arranged corresponding to the edge of an outer side of the movable plate, on the fixing plate; a plurality of tooth-dividing positioning holes are formed in the fixing plate, and a connecting line of centers of circles of the positioning holes is an arc; a workpiece outer wall positioning pin is arranged on the edge of the outer side of the movable plate, and a second jack screw is arranged at the edge of the inner side of the movable plate; third jack screws are arranged on the left side and the right side of the movable plate; and tooth-shaped processing holes are formed corresponding to the tooth-dividing positioning holes in the movable plate and are formed in two sides of a central axis of the movable plate.
Description
Technical field
The utility model belongs to machining tool technical field, and specifically, the utility model relates to a kind of processing major diameter contracting tooth equal clearance rack-and-pinion tool.
Background technology
The rotary hearth furnace bed apparatus is the main production equipments of carbon element project.Drive unit is the vitals of rotary hearth furnace bed, and gear wheel then is the most important thing of drive unit portion dress.16.866 meters of gear wheel diameters, middle modulus m=25.4, Z=660 is by 60 tooth bars; Tooth bar support on the rotary furnace body forms closing, and is symmetrical arranged two groups of pinion drive portions dresses in the gear wheel diametric(al), and gear wheel is with 20 rotation speed operation of changeing per hour.
Tooth bar is foundry goods, and the five equilibrium of profile of tooth, addendum angle, tooth base angle, pitch circle angle must be accurately.If single-piece is contoured, need to adopt numerical control triaxial interlock processing, the processing cost height; If return the processing of circle back, equipment requires big, needs the 18m vertical lathe, and 18 meters umbrella tooth milling machines, the processing cost height.
Summary of the invention
The utility model is exactly at the problems referred to above, provides a kind of simple in structure, easy to use, can finish the tool of contracting tooth equal clearance rack-and-pinion processing at common end mill.
For realizing above-mentioned purpose of the present utility model, adopt following technical scheme, the utility model comprises fixed head, it is characterized in that: the fixed head top is provided with portable plate by pressing plate; Be provided with two alignment pins entad corresponding to the portable plate inside edge on the fixed head, the outer ledge corresponding to portable plate on the fixed head is provided with first jackscrew; The line that fixed head is provided with the center of circle is a plurality of minutes tooth locating holes of a circular arc; Outer ledge on the described portable plate is provided with workpiece outer wall alignment pin, and the inside edge on the portable plate is provided with second jackscrew, and the left and right sides on the portable plate is provided with the 3rd jackscrew; Be provided with the tooth Profile Machining hole corresponding to a minute tooth locating hole on the portable plate, described tooth Profile Machining hole is arranged at the both sides of portable plate central axis.
The beneficial effects of the utility model: 1, the utility model is simple in structure, and is easy to being installed of contracting tooth equal clearance rack-and-pinion, centering, and dismounting uses flexibly, convenient.
2, the utility model assembly is few, and compact conformation, simple is easy to processing and fabricating.
3, on the utility model will contracting tooth equal clearance rack-and-pinion be installed portable plate, will divide tooth locating hole and tooth Profile Machining hole to match again, and only need to use a common end mill can realize the processing of contracting tooth equal clearance rack-and-pinion has been reduced production cost significantly.
4, can be according to the concrete parameter of contracting tooth equal clearance rack-and-pinion, change divides the position in tooth locating hole and tooth Profile Machining hole, thereby can adapt to the processing of the contracting tooth equal clearance rack-and-pinion of multiple different size.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of bit ga(u)ge.
In the accompanying drawing 1 for fixed head, 2 for portable plate, 3 be the 3rd jackscrew, 4 for contracting tooth equal clearance rack-and-pinion, 5 for workpiece outer wall alignment pin, 6 for pressing plate, 7 be first jackscrew, 8 for bit ga(u)ge, 9 for tooth Profile Machining hole, 10 be second jackscrew, 11 for alignment pin entad, 12 be branch tooth locating hole.
The specific embodiment
The utility model comprises fixed head 1, it is characterized in that: fixed head 1 top is provided with portable plate 2 by pressing plate 6; Be provided with two alignment pins 11 entad corresponding to portable plate 2 inside edges on the fixed head 1, the outer ledge corresponding to portable plate 2 on the fixed head 1 is provided with first jackscrew 7; The line that fixed head 1 is provided with the center of circle is a plurality of minutes tooth locating holes 12 of a circular arc; Outer ledge on the described portable plate 2 is provided with workpiece outer wall alignment pin 5, and the inside edge on the portable plate 2 is provided with second jackscrew 10, and the left and right sides on the portable plate 2 is provided with the 3rd jackscrew 3; Be provided with tooth Profile Machining hole 9 corresponding to a minute tooth locating hole 12 on the portable plate 2, described tooth Profile Machining hole 9 is arranged at the both sides of portable plate 2 central axis.
Described two lines in alignment pin 11 centers of circle entad, and the circular arc that the line in two workpiece outer wall alignment pins, 5 centers of circle is with minute the line in tooth locating hole 12 centers of circle is concentric.
The circular arc that described portable plate 2 inside edges are set to minute the line in tooth locating hole 12 centers of circle is concentric.Be convenient to the fixing of portable plate 2.
Described fixed head 1 is provided with bit ga(u)ge 8.Be convenient to tool setting.
Described tooth Profile Machining hole 9 is set to slotted hole, is convenient to dividing tooth locating hole 12 to match.
With 16.866 meters of diameters, middle modulus m=25.4, Z=660, the rotary hearth furnace bed gear wheel that is made of 60 contracting tooth equal clearance rack-and-pinion 4 is processing object.
13 branch tooth locating holes 12 are set on the fixed head 1, divide the line in tooth locating hole 12 centers of circle, two lines in alignment pin 11 centers of circle entad, the line in two workpiece outer wall alignment pins, 5 centers of circle, and the edge of portable plate 2 inboards is all concentric with contracting tooth equal clearance rack-and-pinion 4; The central axis both sides of portable plate 2 process two tooth Profile Machining holes 9 respectively; Can reprocess a through hole at the central axis place of portable plate 2, as the benchmark in tooth Profile Machining hole 9.
When being installed, earlier fixed head 1 is fixed on the work top of end mill, passes through entad alignment pin 11 and first jackscrew 7 then, portable plate 2 is fixing; By workpiece outer wall alignment pin 5, second jackscrew 10 and the 3rd jackscrew 3 contracting tooth equal clearance rack-and-pinion 4 is fixed on the portable plate 2 again, the branch tooth locating hole 12 that passes the tooth Profile Machining hole 9 of portable plate 2 and fixed head 1 by pin makes the fixed-site of contracting tooth equal clearance rack-and-pinion 4, by pressing plate 6 portable plate 2 is fixed then.
Pin passes first or the 4th tooth Profile Machining hole 9, and lathe molding cutter and the utility model center align, self-acting feed processing, and this is middle cutter processing; Moving active plate 2 then, and pin is passed second and the 3rd tooth Profile Machining hole 9 respectively, cutter and bit ga(u)ge 8 tool settings, and left and right cutter processing is carried out in self-acting feed processing respectively.
Be understandable that, more than about specific descriptions of the present utility model, only for the utility model being described and being not to be subject to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection domain of the present utility model.
Claims (5)
1. processing major diameter contracting tooth equal clearance rack-and-pinion tool comprises fixed head (1), and it is characterized in that: fixed head (1) top is provided with portable plate (2) by pressing plate (6); Fixed head (1) is gone up corresponding to portable plate (2) inside edge and is provided with two alignment pins (11) entad, and the outer ledge that fixed head (1) is gone up corresponding to portable plate (2) is provided with first jackscrew (7); The line that fixed head (1) is provided with the center of circle is a plurality of minutes tooth locating holes (12) of a circular arc; Outer ledge on the described portable plate (2) is provided with workpiece outer wall alignment pin (5), and the inside edge on the portable plate (2) is provided with second jackscrew (10), and the left and right sides on the portable plate (2) is provided with the 3rd jackscrew (3); Portable plate (2) is gone up and is provided with tooth Profile Machining hole (9) corresponding to a minute tooth locating hole (12), and described tooth Profile Machining hole (9) is arranged at the both sides of portable plate (2) central axis.
2. processing major diameter contracting tooth equal clearance rack-and-pinion tool according to claim 1, it is characterized in that: described two lines in alignment pin (11) center of circle entad, and the circular arc that the line in two workpiece outer wall alignment pin (5) centers of circle is with minute the line in tooth locating hole (12) center of circle is concentric.
3. processing major diameter contracting tooth equal clearance rack-and-pinion tool according to claim 2 is characterized in that: the circular arc that described portable plate (2) inside edge is set to minute the line in tooth locating hole (12) center of circle is concentric.
4. processing major diameter contracting tooth equal clearance rack-and-pinion tool according to claim 1, it is characterized in that: described fixed head (1) is provided with bit ga(u)ge (8).
5. processing major diameter contracting tooth equal clearance rack-and-pinion tool according to claim 1, it is characterized in that: described tooth Profile Machining hole (9) is set to slotted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200354 CN203210045U (en) | 2013-04-19 | 2013-04-19 | Jig for processing large-diameter reduced-tooth equal-gap gear rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200354 CN203210045U (en) | 2013-04-19 | 2013-04-19 | Jig for processing large-diameter reduced-tooth equal-gap gear rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203210045U true CN203210045U (en) | 2013-09-25 |
Family
ID=49199616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320200354 Expired - Fee Related CN203210045U (en) | 2013-04-19 | 2013-04-19 | Jig for processing large-diameter reduced-tooth equal-gap gear rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203210045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753216A (en) * | 2013-11-13 | 2014-04-30 | 安徽省宿州市龙华机械制造有限公司 | Processing tooling with respect to parting type winch friction plate |
-
2013
- 2013-04-19 CN CN 201320200354 patent/CN203210045U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753216A (en) * | 2013-11-13 | 2014-04-30 | 安徽省宿州市龙华机械制造有限公司 | Processing tooling with respect to parting type winch friction plate |
| CN103753216B (en) * | 2013-11-13 | 2016-08-31 | 安徽省宿州市龙华机械制造有限公司 | A set of processing tool about partition type winch friction plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203265683U (en) | Circular mold drilling machine | |
| CN204381844U (en) | Four-axle linked vertical carving Milling Machining center | |
| CN203599874U (en) | Clamping tool for milling key grooves of shaft parts | |
| WO2013037947A3 (en) | Machine tool for producing toothings on workpieces | |
| CN102990370A (en) | Double-station overturning worktable for drilling machine | |
| CN103084854A (en) | Numerical control machining tool and rotary work platform thereof | |
| CN203171257U (en) | Numerical control machining tool and revolving table thereof | |
| CN204771762U (en) | Multistation anchor clamps | |
| CN201907050U (en) | Multi-spindle grinding device for grinding machining center | |
| CN103659464A (en) | Indexing mechanism | |
| CN201604016U (en) | 45-DEG body positioning fixture device | |
| CN102950306B (en) | Method and device for machining 180-degree shaft hole of large rotating workpiece | |
| CN103624595A (en) | Self-positioning tool for machining reducer housing | |
| CN203210045U (en) | Jig for processing large-diameter reduced-tooth equal-gap gear rack | |
| CN202607317U (en) | Precision cross-shaped flat tongs | |
| CN204160186U (en) | The vertical sleeping Compositions of metal-working machines of multistation | |
| CN203665074U (en) | Main shaft lifting numerical control turning drilling and milling composite machining machine tool | |
| CN203804603U (en) | Rotating quick locating device | |
| CN103894855B (en) | Rotate quick positioner | |
| CN204294976U (en) | Console mode milling boring machining center | |
| CN104043862B (en) | Graphite heater process equipment | |
| CN203636448U (en) | Multistation rotation type production clamp of disposable numerically-controlled milling cutter | |
| CN203679829U (en) | Eccentric sleeve processing fixture | |
| CN204870279U (en) | Jade carving machine index table | |
| CN207464217U (en) | A kind of shaft-like workpiece processes quick centring means |
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: 20130925 Termination date: 20180419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |