CN205254272U - Hydraulic pressure tight gear hobbing frock that rises - Google Patents
Hydraulic pressure tight gear hobbing frock that rises Download PDFInfo
- Publication number
- CN205254272U CN205254272U CN201521041821.6U CN201521041821U CN205254272U CN 205254272 U CN205254272 U CN 205254272U CN 201521041821 U CN201521041821 U CN 201521041821U CN 205254272 U CN205254272 U CN 205254272U
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- CN
- China
- Prior art keywords
- cone seat
- gear hobbing
- pull bar
- elastic jacket
- diameter
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- 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.)
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Abstract
The utility model relates to a not only enable work piece automatic centering, work piece clamping speed is faster in addition, simple structure's hydraulic pressure tight gear hobbing frock that rises simultaneously, including the awl seat, the upper end that is equipped with the shoulder hole that link up upper and lower terminal surface in the awl seat and bores the seat is the toper, the upper end of awl seat is equipped with elastic jacket, the vertical lower end and threaded connection pole upper end fixed connection that is equipped with pull rod and threaded connection pole and pull rod in the shoulder hole of awl seat, the elastic jacket up end of establishing at awl seat upper end is worn out to the upper end of pull rod, the pull rod upper end is equipped with to expand head spare and expand head spare and is located the elastic jacket top. The advantage: firstly, hydraulic pressure tight gear hobbing frock that rises simple structure to hydraulic pressure tight gear hobbing frock that rises's manufacturing cost is lower, secondly, to rise by tight gear hobbing less to the process of work piece clamping for hydraulic pressure to the clamping time has been practiced thrift.
Description
Technical field
The utility model relates to one can not only make workpiece self-centering, and clamping workpiece speed is faster, and hydraulic expansion gear hobbing tooling simultaneously simple in structure belongs to gear hobbing tooling and manufactures field.
Background technology
CN204248131U, title " with the gear hobbing tooling of ringfeder ", comprise mandrel, mandrel is multidiameter, described mandrel comprises positioning boss portion and is located at the positioning and guiding portion on positioning boss portion right side, the diameter of described positioning boss portion is greater than the diameter of positioning and guiding portion, geared sleeve is located in positioning and guiding portion, and a side end face of gear is by being located on the end face of positioning boss portion, described positioning and guiding portion outside is arranged with elastic expansion-sleeve, described elastic expansion-sleeve is coaxially arranged with positioning retainer ring and end face nut to the right successively, between described end face nut and mandrel, adopt and be threaded, described elastic expansion-sleeve, the diameter of positioning retainer ring and end face nut equates, between described positioning boss portion and positioning and guiding portion, be provided with stop tab, described stop tab is cam-like, described stop tab comprises lug boss, described lug boss is located at the top of positioning and guiding portion, described lug boss is provided with the groove of inclination, in described groove, be placed with pigment. the diameter of described positioning boss portion is greater than the diameter 15～20mm of positioning and guiding portion. between described elastic expansion-sleeve and mandrel, adopt holding pin to be connected. weak point: the one, with the gear hobbing tooling structure relative complex of ringfeder, thereby improve the production cost of the gear hobbing tooling with ringfeder, the 2nd, many with the gear hobbing tooling clamping step of ringfeder, shape folder speed is slow.
Utility model content
Purpose of design: for avoiding the deficiency in background technology, design one can not only make workpiece self-centering, and clamping workpiece speed is faster, hydraulic expansion gear hobbing tooling simultaneously simple in structure.
Design: for realizing above-mentioned purpose of design. 1, in described cone seat, be provided with the upper end that connects the shoulder hole of upper and lower end face and bore seat tapered, the upper end of described cone seat is provided with elastic jacket, the lower end that is vertically provided with pull bar and whorl brace rod and pull bar in the shoulder hole of described cone seat is fixedly connected with whorl brace rod upper end, the upper end of described pull bar passes the elastic jacket upper surface that is located at cone seat upper end, described pull bar upper end is provided with expanded head part part and expanded head part part and is positioned at the design of elastic jacket top, is one of technical characterictic of the present utility model. the object of design is like this: in described cone seat, be provided with in perforation, the upper end of the shoulder hole of lower surface and cone seat is tapered, the upper end of described cone seat is provided with elastic jacket, the lower end that is vertically provided with pull bar and whorl brace rod and pull bar in the shoulder hole of described cone seat is fixedly connected with whorl brace rod upper end, the upper end of described pull bar passes the elastic jacket upper surface that is located at cone seat upper end, described pull bar upper end is provided with expanded head part part and expanded head part part is positioned at elastic jacket top, when use, whorl brace rod lower end is connected with hydraulic means and workpiece is sleeved on to the cone seat upper end that is provided with elastic jacket, primer fluid pressure device is drop-down by whorl brace rod, whorl brace rod drive pull bar moves down and makes the expanded head part part of pull bar upper end press down elastic jacket, because the cone seat elastic jacket that upper end is tapered to be moved down after being pressed down by expanded head part part is bored a upper end support and is risen, thereby by workpiece stretching, such hydraulic expansion gear hobbing tooling is not only simple in structure, thereby reduce production cost, and clamping step is few, speed is fast, thereby save the clamping time, while elastic jacket is bored a upper end and is evenly supportted and rise, and it is overlapping the center line of workpiece after workpiece stretching with the center line of cone seat, thereby automatically realizes the centering of workpiece. 2, described cone seat side laterally has two fillister head screw hole and the two fillister head screw holes that go to upper and lower setting and all connects shoulder hole, on described pull bar, have groove, on described whorl brace rod, have groove, in described two fillister head screw holes, be installed with respectively a hexagon socket cap head screw and superposed hexagon socket cap head screw just to the groove on pull bar, be positioned at the design of the groove on the positive double thread connecting rod of hexagon socket cap head screw of bottom, be two of technical characterictic of the present utility model. the object of design is like this: described cone seat side laterally has two and presents, the fillister head screw hole of lower setting and two fillister head screw holes all connect shoulder hole, on described pull bar, have groove, on described whorl brace rod, have groove, in described two fillister head screw holes, be installed with respectively a hexagon socket cap head screw and superposed hexagon socket cap head screw just to the groove on pull bar, be positioned at the groove on the positive double thread connecting rod of hexagon socket cap head screw of bottom, when use, rotating two fillister head screw holes obtains in the groove that termination lays respectively at pull bar and in the groove of whorl brace rod two fillister head screw holes, the effect that prevents that pull bar from skidding and whorl brace rod skids is played respectively in two fillister head screw holes, thereby effectively improve the work quality of hydraulic expansion gear hobbing tooling. 3, the outside diameter that the maximum outside diameter of cone seat upper end is less than circular diameter in workpiece and cone seat body is greater than the design of circular diameter in workpiece, is three of technical characterictic of the present utility model. the object of design is like this: the outside diameter that the maximum outside diameter of cone seat upper end is less than the interior circular diameter of workpiece and cone seat body is greater than circular diameter in workpiece, when workpiece is sleeved on cone seat upper end like this lower port of inner hole of workpiece not can with a cone seat upper end outer wall stretching, thereby be convenient to take out from cone seat upper end after workpiece processing.
Technical scheme: a kind of hydraulic expansion gear hobbing tooling, comprise cone seat, in described cone seat, be provided with the upper end that connects the shoulder hole of upper and lower end face and bore seat tapered, the upper end of described cone seat is provided with elastic jacket, the lower end that is vertically provided with pull bar and whorl brace rod and pull bar in the shoulder hole of described cone seat is fixedly connected with whorl brace rod upper end, the upper end of described pull bar passes the elastic jacket upper surface that is located at cone seat upper end, and described pull bar upper end is provided with expanded head part part and expanded head part part is positioned at elastic jacket top.
The utility model compared with background technology, the one, hydraulic expansion gear hobbing tooling is simple in structure, thereby the production cost of hydraulic expansion gear hobbing tooling is lower; The 2nd, hydraulic expansion gear hobbing is less to the operation of clamping workpiece, thereby has saved the clamping time.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram of hydraulic expansion gear hobbing tooling.
Detailed description of the invention
Embodiment 1: with reference to accompanying drawing 1. a kind of hydraulic expansion gear hobbing tooling, comprise cone seat 1, in described cone seat 1, be provided with in perforation, the upper end of the shoulder hole 11 of lower surface and cone seat 1 is tapered, the lower end of cone seat 1 is secondary groove shape structure and from large to small, the upper end of cone seat 1 is provided with elastic jacket 2, the lower end that is vertically provided with pull bar 3 and whorl brace rod 4 and pull bar 3 in the shoulder hole 11 of cone seat 1 is fixedly connected with whorl brace rod 4 upper ends, the upper end of pull bar 3 passes elastic jacket 2 upper surfaces that are located at cone seat 1 upper end, pull bar 3 upper ends are provided with expanded head part part 5 and expanded head part part 5 is positioned at elastic jacket 2 tops. described expanded head part part 5 is made up of pad and nut and the diameter of pad is greater than the diameter of elastic jacket 2 through holes. described expanded head part part 5 is made up of nut and the diameter of nut is greater than the diameter of elastic jacket 2 through holes. described cone seat 1 side laterally has two and presents, the fillister head screw hole 7 of lower setting and two fillister head screw holes 7 all connect shoulder hole 11, on described pull bar 3, have groove 31, on described whorl brace rod 4, have groove 41, in described two fillister head screw holes 7, be installed with respectively a hexagon socket cap head screw 8 and superposed hexagon socket cap head screw 8 just to the groove 31 on pull bar 3, be positioned at the groove 41 on the positive double thread connecting rod 4 of hexagon socket cap head screw 8 of bottom, the height of described groove 31 and the height height identical and groove 31 of groove 41 are greater than the diameter in fillister head screw hole 7, when work, rotate two fillister head screw holes 7 make two fillister head screw holes 7 termination lays respectively in the groove 31 of pull bar 3 and in the groove 41 of whorl brace rod 4. the outside diameter that the maximum outside diameter of described cone seat 1 upper end is less than the interior circular diameter of workpiece 6 and cone seat 1 body is greater than the interior circular diameter of workpiece 6. described shoulder hole 11 is made up of three sections of through holes that connect successively, described three sections of through hole center lines overlap and three sections of through holes from top to bottom radius become successively large.
When use, whorl brace rod lower end is connected with hydraulic means and workpiece is sleeved on to the cone seat upper end that is provided with elastic jacket, primer fluid pressure device is drop-down by whorl brace rod, whorl brace rod drive pull bar moves down and makes the expanded head part part of pull bar upper end press down elastic jacket, because the cone seat elastic jacket that upper end is tapered to be moved down after being pressed down by expanded head part part is bored a upper end support and is risen, thereby by workpiece stretching.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; instead of restriction to the utility model mentality of designing; any combination, increase or amendment that does not exceed the utility model mentality of designing, all falls in protection domain of the present utility model.
Claims (5)
1. a hydraulic expansion gear hobbing tooling, comprise cone seat (1), it is characterized in that: in described cone seat (1), be provided with in perforation, the upper end of the shoulder hole (11) of lower surface and cone seat (1) is tapered, the upper end of cone seat (1) is provided with elastic jacket (2), the lower end that is vertically provided with pull bar (3) and whorl brace rod (4) and pull bar (3) in the shoulder hole (11) of cone seat (1) is fixedly connected with whorl brace rod (4) upper end, the upper end of pull bar (3) passes elastic jacket (2) upper surface that is located at cone seat (1) upper end, pull bar (3) upper end is provided with expanded head part part (5) and expanded head part part (5) is positioned at elastic jacket (2) top.
2. hydraulic expansion gear hobbing tooling according to claim 1, is characterized in that: described expanded head part part (5) is made up of pad and nut and the diameter of pad is greater than the diameter of elastic jacket (2) through hole.
3. hydraulic expansion gear hobbing tooling according to claim 1, is characterized in that: described expanded head part part (5) is made up of nut and the diameter of nut is greater than the diameter of elastic jacket (2) through hole.
4. hydraulic expansion gear hobbing tooling according to claim 1, it is characterized in that: described cone seat (1) side laterally has two and presents, the fillister head screw hole (7) of lower setting and two fillister head screw holes (7) all connect shoulder hole (11), on described pull bar (3), have groove (31), on described whorl brace rod (4), have groove (41), in described two fillister head screw holes (7), be installed with respectively a hexagon socket cap head screw (8) and superposed hexagon socket cap head screw (8) just to the groove (31) on pull bar (3), be positioned at the groove (41) on the positive double thread connecting rod (4) of hexagon socket cap head screw (8) of bottom.
5. hydraulic expansion gear hobbing tooling according to claim 1, is characterized in that: the outside diameter that the maximum outside diameter of described cone seat (1) upper end is less than the interior circular diameter of workpiece (6) and cone seat (1) body is greater than the interior circular diameter of workpiece (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041821.6U CN205254272U (en) | 2015-12-15 | 2015-12-15 | Hydraulic pressure tight gear hobbing frock that rises |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521041821.6U CN205254272U (en) | 2015-12-15 | 2015-12-15 | Hydraulic pressure tight gear hobbing frock that rises |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205254272U true CN205254272U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521041821.6U Expired - Fee Related CN205254272U (en) | 2015-12-15 | 2015-12-15 | Hydraulic pressure tight gear hobbing frock that rises |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205254272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262083A (en) * | 2018-12-03 | 2019-01-25 | 浙江巨跃齿轮有限公司 | A kind of liquid rises fixture |
-
2015
- 2015-12-15 CN CN201521041821.6U patent/CN205254272U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262083A (en) * | 2018-12-03 | 2019-01-25 | 浙江巨跃齿轮有限公司 | A kind of liquid rises fixture |
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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: 20160525 Termination date: 20201215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |