CN203007623U - Novel sewing machine - Google Patents
Novel sewing machine Download PDFInfo
- Publication number
- CN203007623U CN203007623U CN 201220627853 CN201220627853U CN203007623U CN 203007623 U CN203007623 U CN 203007623U CN 201220627853 CN201220627853 CN 201220627853 CN 201220627853 U CN201220627853 U CN 201220627853U CN 203007623 U CN203007623 U CN 203007623U
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- gear
- gear set
- pinion
- machining
- gears
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Abstract
The utility model provides a novel sewing machine, which comprises a machine body, wherein at least one driving gear set is arranged inside the machine body; each driving gear set comprises a large gear formed through molding and a small gear made obtained through machining and cutting; the large gear and the small gear of each driving gear set are mounted on different rotation shafts respectively, and are mutually meshed; and the tooth form calculation model of a tooth form mold is free from the limitation on the degree of freedom for machining, so that the molded large gears with the optimized motion property can be designed to mesh with the small gears obtained through machining and cutting. According to the novel sewing machine, the large gears formed through molding of super alloy powder material, and the small gears obtained through full steel machining, are used in coordination to reduce the motion error between gears, increase the stability of motion, and reduce motion noise; and as the large gears are formed through molding, compared with the conventional machining method, the process number is greatly reduced , so that the production efficiency is increased, the stability of the process quality is increased, the production cost of the total process is reduced, and the delivery time is shortened.
Description
[technical field]
The utility model belongs to Sewing machines driven wheel technical field, relates in particular to a kind of novel sewing machine.
[background technology]
Gear is key transmission parts for family expenses and industrial sewing machines.The different sewing machines casing adapts to different gear mesh kinematic error values, and the gear mesh that the kinematic error value is little is fit to be installed on the good casing of precision, otherwise the gear mesh that the kinematic error value is large is fit to be installed on the casing of low precision; Yet the spiral bevel gear of existing use in sewing machine is subject to the board free degree to all adopting the machining processing procedure, and the kinematic error value of gear mesh is also uncontrollable.It is that two axles are with moving (free degree is 2) that general traditional mechanical cage chair formula spiral bevel gear is created into machine, in recent years, provide four axles with moving although computer numerical control type (CNC) spiral bevel gear is created into machine, kinematic error value control ability can't be provided also.The quality of gear has determined the service life of Sewing machines, noise and final clothing quality.
At present, the manufacturing of gear part is completed with mode processing metal or the plastics mode of machine cut, guarantees that the quality of gear meets the instructions for use of Sewing machines industry.But the conventional gears manufacturing depends on complicated technique, includes turning, mills type, the rolling cut tooth, and heat treatment, the step such as surface treatment is ground, and is lubricated, the various production process crudy that will cause of operation is unstable, and the friendship phase is long, the shortcoming of cost height.
[utility model content]
In order to solve the above-mentioned technical problem that exists in prior art, the utility model provides a kind of pinion that is provided with formed in mould gear wheel collocation all steel machining cutting moulding, kinematic error is low, make the kinetic stability of Sewing machines high, motion noise is low, gear wheel technological process simplification, production efficiency are high, stability, the cost of processing procedure quality are low, shorten the novel sewing machine of friendship phase.
The technical scheme that the prior art problem that solves the utility model adopts is:
A kind of novel sewing machine, include body, be provided with at least one group of above drive gear set in described body, described drive gear set includes one and adopts the gear wheel of die casting moulding and the pinion of an employing machining cutting moulding, the gear wheel of every group of described drive gear set and pinion are arranged on respectively on different turning cylinders, and intermeshing driving connects.
Further, described gear wheel passes through the die casting moulding by the superalloy dusty material.
further, described drive gear set includes drive gear set and lower drive gear set, described upper drive gear set mainly is comprised of first gear and the first pinion, described lower drive gear set mainly is comprised of second largest gear and the second pinion, described body is provided with the first driving shaft, the second driving shaft and the 3rd driving shaft, described the first driving shaft is provided with described first gear, one end of described the second driving shaft is provided with described the second pinion that is connected with a joggle with described first gear, the other end is provided with described second largest gear, described the 3rd driving shaft one end is provided with described the second pinion that is connected with a joggle with described second largest gear, the other end is connected with drive motors.
The beneficial effects of the utility model are as follows:
the utility model passes through technique scheme, adopted in the drive gear set of Sewing machines by the pinion of superalloy dusty material by the gear wheel collocation all steel machining of die casting moulding, kinetic characteristic design optimization by the mould flute profile, effectively reduced the kinematic error between gear, improved the kinetic stability of Sewing machines, reduced simultaneously the motion noise of Sewing machines, and adopt by formed in mould gear wheel, produce gear compared to traditional machining mode, can significantly reduce number of processes, thereby increase production efficiency, improved the stability of processing procedure quality, reduce the production cost of full processing procedure, shorten the friendship phase.
[description of drawings]
Fig. 1 is the structural representation of a kind of novel sewing machine embodiment described in the utility model;
Fig. 2 is gear wheel that in prior art, all steel of Sewing machines is made and the movement profiles of pinion;
Fig. 3 is the gear wheel made of the mould alloy of a kind of novel sewing machine embodiment described in the utility model and the movement profiles of all steel pinion.
[specific embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Fig. 1 to Fig. 3:
The described a kind of novel sewing machine of the utility model implementation column, include body 1, be provided with at least one group of above drive gear set in described body 1, described drive gear set includes one and adopts formed in mould gear wheel and to adopt the pinion of machining (as traditional cage chair formula board) cutting moulding, the gear wheel of every group of drive gear set and pinion are arranged on respectively on different turning cylinders, and intermeshing driving connects.concrete structure can for: described drive gear set includes upper drive gear set 21 and lower drive gear set 22, described upper drive gear set 21 mainly is comprised of first gear 211 and the first pinion 212, described lower drive gear set 22 mainly is comprised of second largest gear 221 and the second pinion 222, described body 1 is provided with the first driving shaft 11, the second driving shaft 12 and the 3rd driving shaft 13, described the first driving shaft 11 is provided with first gear 211, one end of described the second driving shaft 12 is provided with the second pinion 212 that is connected with a joggle with first gear 211, the other end is provided with second largest gear 221, described the 3rd driving shaft 13 1 ends are provided with the second pinion 222 that is connected with a joggle with second largest gear 221, the other end is connected with drive motors, and first gear 211 and second largest gear 221 by the superalloy dusty material by the die casting moulding, concrete steps comprise: at first, in order to meet the requirements such as environment, stressed load and service life in Sewing machines of first gear 211 and second largest gear 221, calculate optimal movement characteristic flute profile in independently developed spiral bevel gear design software, and output pinion cutting board setup parameter and gear wheel mould flute profile 3D model, make gear wheel flute profile mould by the CAD/CAM technology, then make first gear 211 and second largest gear 221, at last, carrying out final gear product by the spiral bevel gear design software output measurement point data of exploitation measures, error between comparison Theoretical Design and finished product is adjusted process parameter or fine setting flute profile mould, thereby improves constantly the quality of the gear wheel of tool shape mould manufacturing.
The gear wheel of existing Sewing machines and pinion are made by all steel material and are adopted traditional cage chair formula machining to form, and from its mutual movement profiles (as Fig. 2), its kinematic error value is about 35 second of arcs; And the pinion of Sewing machines described in the utility model is made by all steel material and adopt traditional cage chair formula machining to form, the gear wheel that collocation is formed by the flute profile die casting by the superalloy dusty material by above-mentioned steps, from its mutual movement profiles (as Fig. 3), when gear wheel and pinion in stand under load process after tooth grinds, the Contact Tooth wheel face can produce strain because of elastomeric material, the elastic deformation amount will reduce approximately 11 second of arcs of kinematic error value, and its final kinematic error value is 13 second of arcs; Therefore, the gear wheel of final all steel machining and pinion will be worth 24 second of arcs with kinematic error and turn round, in motion process, high kinematic error value will produce the higher motion noise, the pinion of the gear wheel of die casting moulding and all steel machining will be worth 2 second of arcs with kinematic error and turn round (as Fig. 3), and in motion process, the harmonic motion error amount will greatly reduce motion noise.
like this, adopted in the drive gear set of the utility model Sewing machines by the pinion of superalloy dusty material by gear wheel (being first gear 211 and second largest gear 221) the collocation all steel machining of die casting moulding, effectively reduced the kinematic error between gear, improved the kinetic stability of Sewing machines, reduced simultaneously the motion noise of Sewing machines, and adopt and make gear wheel by mould, produce gear compared to traditional machining mode, can significantly reduce number of processes, thereby increase production efficiency, improved the stability of processing procedure quality, reduce the production cost of full processing procedure, shorten the friendship phase.
Above content is in conjunction with concrete optimal technical scheme further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. novel sewing machine, include body (1), be provided with at least one group of above drive gear set in described body (1), it is characterized in that: described drive gear set includes one and adopts formed in mould gear wheel and to adopt the pinion of machining cutting moulding, the gear wheel of every group of described drive gear set and pinion are arranged on respectively on different turning cylinders, and intermeshing driving connects.
2. novel sewing machine according to claim 1 is characterized in that: described gear wheel by the superalloy dusty material by the die casting moulding.
3. novel sewing machine according to claim 1 and 2, it is characterized in that: described drive gear set includes drive gear set (21) and lower drive gear set (22), described upper drive gear set (21) mainly is comprised of first gear (211) and the first pinion (212), described lower drive gear set (22) mainly is comprised of second largest gear (221) and the second pinion (222), described body (1) is provided with the first driving shaft (11), the second driving shaft (12) and the 3rd driving shaft (13), described the first driving shaft (11) is provided with described first gear (211), one end of described the second driving shaft (12) is provided with described the second pinion (212) that is connected with a joggle with described first gear (211), the other end is provided with described second largest gear (221), described the 3rd driving shaft (13) one ends are provided with described the second pinion (222) that is connected with a joggle with described second largest gear (221), the other end is connected with drive motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627853 CN203007623U (en) | 2012-11-26 | 2012-11-26 | Novel sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220627853 CN203007623U (en) | 2012-11-26 | 2012-11-26 | Novel sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203007623U true CN203007623U (en) | 2013-06-19 |
Family
ID=48599234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220627853 Expired - Lifetime CN203007623U (en) | 2012-11-26 | 2012-11-26 | Novel sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203007623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995314A (en) * | 2012-11-26 | 2013-03-27 | 珠海市钧兴机电有限公司 | Novel sewing machine |
-
2012
- 2012-11-26 CN CN 201220627853 patent/CN203007623U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995314A (en) * | 2012-11-26 | 2013-03-27 | 珠海市钧兴机电有限公司 | Novel sewing 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: 20130619 |