CN202943881U - Connection type of servomotor - Google Patents
Connection type of servomotor Download PDFInfo
- Publication number
- CN202943881U CN202943881U CN 201220665178 CN201220665178U CN202943881U CN 202943881 U CN202943881 U CN 202943881U CN 201220665178 CN201220665178 CN 201220665178 CN 201220665178 U CN201220665178 U CN 201220665178U CN 202943881 U CN202943881 U CN 202943881U
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- CN
- China
- Prior art keywords
- servomotor
- external tooth
- tooth
- hollow shaft
- connection type
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a connection type of a servomotor, and belongs to the technical field of large straight sided press. The connection type comprises a crankshaft, a hollow shaft servomotor, an expansion coupling jacket and an upper cross beam, wherein the hollow shaft servomotor is directly and fixedly connected with the crankshaft through the expansion coupling jacket; the connection type further comprises an internal tooth sleeve seat and an external tooth motor seat; the external tooth motor seat is meshed and connected with the interior of the internal tooth sleeve seat; and the internal tooth sleeve seat is fixed on the upper cross beam. According to the utility model, the hollow shaft servomotor is limited in the circumference direction, so that torsion is provided for the crankshaft; in addition, since the tooth crest of the external tooth of the external tooth motor seat is manufactured into be an ellipsoid, and the proper crest clearance and the proper lateral clearance exist between the internal teeth and external teeth to allow the external tooth motor seat to be subjected to axial and radial displacement and angular displacement, the servomotor and the external tooth motor seat are flexibly connected with the inner tooth sleeve seat; and the connection type can adapt to the micro bending and torsional deformation of the crankshaft during the punching process, so that the reliability and the punching precision of the servomotor are improved, the service life of the servomotor is prolonged, and the production cost is reduced.
Description
Technical field
The utility model discloses a kind of connected mode of servomotor, belong to large-scale straight side press technical field.
Background technology
At present, the connected mode of existing servomotor, as depicted in figs. 1 and 2, hollow shaft servomotor 3 by motor cabinet 1 be fixed on entablature 5, expansion coupling sleeve 4 is realized bent axle 2 and the connecting firmly of hollow shaft servomotor 3, thereby driving crank 2 is done the high speed rotary motion, but for large pressing machine, when the large-tonnage press work, crankshaft end can produce warpage and the vibration of trace, is limited by existing frame mode, thereby reduces reliability and the punching precision of servomotor.
Summary of the invention
For the problem that above-mentioned prior art exists, the utility model provides a kind of connected mode of servomotor, the micro-warpage that during energy self adaptation press work, crankshaft end produces, thus reliability and the punching precision of raising servomotor extend its service life.
In order to achieve the above object, the utility model provides following technical scheme: the connected mode of this servomotor, comprise bent axle, hollow shaft servomotor, expansion coupling sleeve and entablature, the hollow shaft servomotor by expansion coupling sleeve directly and bent axle connect firmly, also comprise internal tooth casing cylinder base and external tooth motor cabinet, be connected with a joggle in external tooth motor cabinet and internal tooth casing cylinder base, the internal tooth casing cylinder base is fixed on entablature.
Further, the external tooth tooth top of external tooth motor cabinet is made into ellipsoid.
Further, be provided with sealing ring between internal tooth casing cylinder base and entablature.
The beneficial effects of the utility model are: compared with prior art, the utility model makes servomotor circumferentially limited, thereby provides moment of torsion for bent axle; In addition, because the external tooth tooth top of external tooth motor cabinet is made into ellipsoid, and interior external tooth has suitable bottom clearance and sideshake, can allow the external tooth motor cabinet to have axially and radial displacement and angular displacement, servomotor and external tooth motor cabinet thereof realize and the flexibly connecting of internal tooth casing cylinder base thus, can the micro-bending deformation of self adaptation bent axle at any time in punching course, thus improve reliability and the punching precision of servomotor, extend the service life of servomotor, reduce production costs.
Description of drawings
Fig. 1 is the connected mode schematic diagram of existing servomotor;
Fig. 2 be according to Fig. 1 along A-A to cross section view;
Fig. 3 is the connected mode structural representation of the utility model servomotor;
Fig. 4 be according to Fig. 3 along B-B to cross section view;
Fig. 5 is according to the partial enlarged drawing in Fig. 3 scope I.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 3 and Figure 4, the utility model is comprised of bent axle 2, hollow shaft servomotor 3, expansion coupling sleeve 4, entablature 5, internal tooth casing cylinder base 7 and external tooth motor cabinet 8, hollow shaft servomotor 3 by expansion coupling sleeve 4 directly and bent axle 2 connect firmly, be connected with a joggle in external tooth motor cabinet 8 and internal tooth casing cylinder base 7, internal tooth casing cylinder base 7 is fixed on entablature 5.
As shown in Figure 5, the utility model guarantees the stability of its structure for strengthening the sealing between internal tooth casing cylinder base 7 and entablature, preferably adds a sealing ring 10 between both.
As improvement of the present utility model, the external tooth tooth top of tooth motor cabinet 8 of dying young is made into ellipsoid, and interior external tooth has suitable bottom clearance and sideshake, can allow external tooth motor cabinet 8 to have axially and radial displacement and angular displacement, hollow shaft servomotor 3 and external tooth motor cabinet 8 thereof are realized and the flexibly connecting of internal tooth casing cylinder base 7 thus, can the micro-bending deformation of self adaptation bent axle at any time in punching course, thus hollow shaft servomotor 3 reliabilities and punching precision improved.
During work, hollow shaft servomotor 3 is done the high speed rotary motion by expansion coupling sleeve 4 driving cranks 2, and hollow shaft servomotor 3 is arranged on external tooth motor cabinet 8, is connected with a joggle in external tooth motor cabinet 8 and internal tooth casing cylinder base 7, and internal tooth casing cylinder base 7 is fixed on entablature 5.Above-mentioned whole drive unit can pass through external tooth motor cabinet 8 and the internal tooth casing cylinder base 7 micro-bending deformation of self adaptation bent axle at any time, thereby improves servomotor reliability and punching precision.
Claims (3)
1. the connected mode of a servomotor, comprise bent axle (2), hollow shaft servomotor (3), expansion coupling sleeve (4) and entablature (5), hollow shaft servomotor (3) connects firmly by expansion coupling sleeve (4) and bent axle (2), it is characterized in that, also comprise internal tooth casing cylinder base (7) and external tooth motor cabinet (8), be connected with a joggle in external tooth motor cabinet (8) and internal tooth casing cylinder base (7), internal tooth casing cylinder base (7) is fixed on entablature (5).
2. the connected mode of a kind of servomotor according to claim 1, the external tooth tooth top of described external tooth motor cabinet (8) is made into ellipsoid.
3. the connected mode of a kind of servomotor according to claim 1 and 2, be provided with sealing ring (10) between described internal tooth casing cylinder base (7) and entablature (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665178 CN202943881U (en) | 2012-12-06 | 2012-12-06 | Connection type of servomotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665178 CN202943881U (en) | 2012-12-06 | 2012-12-06 | Connection type of servomotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202943881U true CN202943881U (en) | 2013-05-22 |
Family
ID=48419594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665178 Withdrawn - After Issue CN202943881U (en) | 2012-12-06 | 2012-12-06 | Connection type of servomotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202943881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975387A (en) * | 2012-12-06 | 2013-03-20 | 江苏省徐州锻压机床厂集团有限公司 | Servo motor connecting mode |
-
2012
- 2012-12-06 CN CN 201220665178 patent/CN202943881U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102975387A (en) * | 2012-12-06 | 2013-03-20 | 江苏省徐州锻压机床厂集团有限公司 | Servo motor connecting mode |
| CN102975387B (en) * | 2012-12-06 | 2015-02-25 | 江苏省徐州锻压机床厂集团有限公司 | Servo motor connecting mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20150225 |
|
| RGAV | Abandon patent right to avoid regrant |