CN202922047U - Tool changing mechanism of gear shaper - Google Patents
Tool changing mechanism of gear shaper Download PDFInfo
- Publication number
- CN202922047U CN202922047U CN 201220542573 CN201220542573U CN202922047U CN 202922047 U CN202922047 U CN 202922047U CN 201220542573 CN201220542573 CN 201220542573 CN 201220542573 U CN201220542573 U CN 201220542573U CN 202922047 U CN202922047 U CN 202922047U
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- CN
- China
- Prior art keywords
- cutter
- tool
- spring
- tool changing
- cutter shaft
- 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 - Lifetime
Links
- 239000003921 oil Substances 0.000 claims description 13
- 210000000078 claw Anatomy 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
A tool changing mechanism of a gear shaper comprises a tool rest, wherein a cutter shaft is arranged in the tool rest, an oil chamber is arranged in the cutter shaft, a ball draw bar is arranged at the position of an inlet of the oil chamber at the top end of the cutter shaft, high-pressure oil is filled in the oil chamber through the ball draw bar, and a tool retracting mechanism is arranged at the bottom end of the cutter shaft and in the oil chamber. The tool retracting mechanism comprises a piston rod, wherein a spring is sleeved on the lower portion of the piston rod, a pull jaw is arranged at the bottom end of the piston rod, a tool changing seat is arranged below the spring, a pull nail is arranged in the tool changing seat, the upper end of the pull nail is matched with the pull jaw, the lower end of the pull nail is connected with a cutter bar, and a cutter is fixedly arranged below the cutter bar. According to the tool changing mechanism of the gear shaper, a locking method utilizing elastic deformation force of the belleville spring is adopted to replace a traditional locking method utilizing a screw, and therefore the defect that accuracy of a tool rest dividing worm wheel is affected due to the fact that acting force of the tool rest dividing worm wheel is needed during cutter installation with an existing gear shaper is overcome, operation difficulty of a machine tool is reduced, and the operation time is reduced. The tool changing mechanism of the gear shaper is convenient to operate, simple in structure, wide in application range, and especially applicable to small and medium size numerically-controlled machine tools.
Description
Technical field
The utility model relates to a kind of gear shapping machine cutter-exchange mechanism.
Background technology
The output of domestic existing shaping machine is very large, particularly middle-size and small-size gear shapping machine.Tool-post structure is as a core precise part of shaping machine, and its operating accuracy directly affects the overall precision of lathe, and the replacing of the process tool in tool-post structure, installation are very frequently.The replacing of the cutter of existing gear shapping machine, installation are all directly carried out on lathe, the workload of operation is very large, time is long, thereby particularly need to damage by the active force cutter setting frame index worm gear pair precision of tool-post structure index worm gear pair when loose cutter, tight cutter, thereby reduced the machining accuracy of lathe.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of gear shapping machine cutter-exchange mechanism, overcome existing shaping machine tool changing, dress cutter the time time length, complicated operation, the time is long and the shortcoming such as destruction machine tool accuracy, reduced the operation easier of lathe, reduce the operating time, guaranteed the overall precision of lathe.
The purpose of this utility model is achieved in that
A kind of gear shapping machine cutter-exchange mechanism, it comprises tool-post structure, be provided with cutter shaft in tool-post structure, be provided with oil pocket in cutter shaft, the oil pocket entrance on cutter shaft top is provided with the ball pull bar, provide hydraulic oil by the ball pull bar to oil pocket, the cutter shaft bottom is positioned at oil pocket and is provided with retraction mechanism, and described retraction mechanism comprises piston rod, is arranged with spring under piston rod, the piston rod bottom is provided with pulling claw, the spring bottom is provided with the tool changing seat, is provided with blind rivet in the tool changing seat, and the blind rivet upper end coordinates with pulling claw, the blind rivet lower end connects knife bar, is installed with cutter under knife bar.
Above-mentioned cutter is fixed on knife bar by nut.
Above-mentioned spring is disc spring or dish spring.
The utility model has been obtained following technique effect:
The utility model has replaced the conventional screw locking mode with the elastic deformation force's of disk spring locking mode, thereby the shortcoming that need to damage by the active force cutter setting frame index worm gear pair precision of knife rest index worm gear pair when overcoming existing shaping machine mounting cutter, reduce the operation easier of lathe, reduced the operating time; Easy to operate, simple in structure, applicability is wide, is specially adapted to the application of middle-size and small-size Digit Control Machine Tool.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is bottom of the present utility model enlarged diagram.
The specific embodiment
As shown in Fig. 1-2, a kind of gear shapping machine cutter-exchange mechanism, it comprises tool-post structure 1, be provided with cutter shaft 2 in tool-post structure, be provided with oil pocket 12 in cutter shaft, the oil pocket entrance on cutter shaft top is provided with ball pull bar 10, provides hydraulic oil by the ball pull bar to oil pocket, and the cutter shaft bottom is positioned at oil pocket and is provided with retraction mechanism, described retraction mechanism comprises piston rod 3, be arranged with spring 4 under piston rod, the piston rod bottom is provided with pulling claw 5, and the spring bottom is provided with tool changing seat 11, be provided with blind rivet 6 in the tool changing seat, the blind rivet upper end coordinates with pulling claw, and blind rivet lower end connection knife bar 7 is installed with cutter 9 under knife bar.Described cutter is fixed on knife bar by nut 8.Described spring is disc spring or dish spring.
Implementation step of the present utility model is as follows:
1, provide hydraulic oil by ball pull bar 10, through the oil pocket 12 of cutter shaft 2, pushing piston bar 3 makes pulling claw 5 unclamp blind rivet 6, thereby knife bar 7 is withdrawed from from cutter shaft together with nut 8, cutter 9 integral body;
2, will be arranged on tool changing seat 11 from the knife bar that cutter is housed 7 that lathe takes off, and unclamp nut 8 and take out, and take off the cutter 9 that needs replacing, and load onto new cutter 9, fastening nut 8 takes out knife bar 7 from tool changing seat 11, and tool changing is completed;
3, the knife bar 7 that will more finish changing cutter 9 inserts cutter shaft 2, and the hydraulic oil that provides by ball pull bar 10 disconnects, and at effect lower piston rod 3 rollbacks of dish spring 4, makes pulling claw 5 tension blind rivets 6, thus locking knife bar 7, and lathe tool changing, the whole process of dress cutter are completed.
Claims (3)
1. gear shapping machine cutter-exchange mechanism, it is characterized in that: it comprises tool-post structure (1), be provided with cutter shaft (2) in tool-post structure, be provided with oil pocket (12) in cutter shaft, the oil pocket entrance on cutter shaft top is provided with ball pull bar (10), provide hydraulic oil by the ball pull bar to oil pocket, the cutter shaft bottom is positioned at oil pocket and is provided with retraction mechanism, described retraction mechanism comprises piston rod (3), be arranged with spring (4) under piston rod, the piston rod bottom is provided with pulling claw (5), the spring bottom is provided with tool changing seat (11), be provided with blind rivet (6) in the tool changing seat, the blind rivet upper end coordinates with pulling claw, the blind rivet lower end connects knife bar (7), be installed with cutter (9) under knife bar.
2. gear shapping machine cutter-exchange mechanism according to claim 1, it is characterized in that: described cutter is fixed on knife bar by nut (8).
3. gear shapping machine cutter-exchange mechanism according to claim 1 and 2, it is characterized in that: described spring is disc spring or dish spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542573 CN202922047U (en) | 2012-10-23 | 2012-10-23 | Tool changing mechanism of gear shaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542573 CN202922047U (en) | 2012-10-23 | 2012-10-23 | Tool changing mechanism of gear shaper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202922047U true CN202922047U (en) | 2013-05-08 |
Family
ID=48212041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220542573 Expired - Lifetime CN202922047U (en) | 2012-10-23 | 2012-10-23 | Tool changing mechanism of gear shaper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202922047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769693A (en) * | 2012-10-23 | 2014-05-07 | 宜昌长机科技有限责任公司 | Tool changing mechanism of gear shaping machine |
-
2012
- 2012-10-23 CN CN 201220542573 patent/CN202922047U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769693A (en) * | 2012-10-23 | 2014-05-07 | 宜昌长机科技有限责任公司 | Tool changing mechanism of gear shaping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |