CN200988898Y - Auxiliary braking device for button hole sewing machine - Google Patents
Auxiliary braking device for button hole sewing machine Download PDFInfo
- Publication number
- CN200988898Y CN200988898Y CN 200620087297 CN200620087297U CN200988898Y CN 200988898 Y CN200988898 Y CN 200988898Y CN 200620087297 CN200620087297 CN 200620087297 CN 200620087297 U CN200620087297 U CN 200620087297U CN 200988898 Y CN200988898 Y CN 200988898Y
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- CN
- China
- Prior art keywords
- auxiliary brake
- sewing machine
- auxiliary
- brake
- cylinder
- 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
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Abstract
The utility model discloses an auxiliary braking device used in a lockstitch sewing machine, comprising a brake wheel, an auxiliary brake wheel, a brake block and a clutch device, which is characterized in that a auxiliary brake block which matches with the exterior surface of the auxiliary brake wheel is arranged on the upper surface of the auxiliary brake wheel, one end of the auxiliary brake block is fixed and the other end is connected with the piston rod of a cylinder, the cylinder is communicated with the air supply by an air box, the air box is provided with an electromagnetic valve which is electrically connected with the travel switch of the electromagnetic valve and a touch piece is arranged on the clutch device against the travel switch. The technical proposal provided in the utility model has the advantages of optimized and reasonable structure and secure and stable operation, which avoids the problems effectively brought up by frequent break of the brake block and has the worthiness of practical application and market popularization.
Description
Technical field
The utility model relates to a kind of auxiliary brake of button holing sewing machine.
Background technology
Use eyelet buttonhole sewing machines at present in the clothing factory in a large number, this eyelet buttonhole sewing machine is when impulse stroke finishes, the general brake gear that adopts brakes, and original structure adopts the operation of braking of 20 pairs of brake wheels 22 of brake block as shown in Figure 2, brake block 22 is connected with arrangement of clutch 9, regulate brake by arrangement of clutch 9, there are several defectives in this original structure, at first, because the operating frequency of lockstitch button holder is comparatively frequent, brake block 20 operation of frequently braking so brake block 20 often ruptures, also has influence on the carrying out of sewing operation, delay work and mistake, secondly, braking quality is relatively poor, has influence on the speed and the frequency of backhaul, once more, inconvenient operation.
Summary of the invention
It is better that the purpose of this utility model provides a kind of braking effect, more convenient operation, the auxiliary brake of a kind of button holing sewing machine that operating efficiency is higher.
For achieving the above object, the technical scheme that the utility model adopted is: a kind of auxiliary brake of button holing sewing machine, comprise brake wheel, auxiliary brake wheel, brake block, arrangement of clutch, it is characterized in that: described auxiliary brake wheel upper surface is provided with the auxiliary brake sheet that matches with the outer surface of auxiliary brake wheel, one end of this auxiliary brake sheet is fixed, the other end is connected with the piston rod of cylinder, and described cylinder is communicated with source of the gas by breather pipe.
Be the utility model technical scheme more specifically below:
Described breather pipe is provided with electromagnetic valve, and described electromagnetic valve is electrically connected with a travel switch, is fixed with the shake-up sheet that is provided with the travel switch correspondence position on the described arrangement of clutch.
Be provided with delayer between described electromagnetic valve and the travel switch.
Described breather pipe is provided with the Pressure gauge of adjustable pressure size.
Described cylinder is unidirectional cylinder.
Described auxiliary brake sheet is the elasticity brake block.
Beneficial effect:
(1) owing to adopt the structure of cylinder, owing to the clothing factory generally all has source of the gas, therefore needn't invest for source of the gas, only need to lay breather line and get final product, this structure of cylinder is more steady when moving, and braking effect is better, and therefore efficient also be greatly improved.
(2) being provided with of auxiliary brake sheet can reach better braking effect, effectively avoided the breakage problem of brake block simultaneously, and operating efficiency is higher, and is more comfortable when the workman operates, more convenient operation.
(3) design of electromagnetic valve, time-delay valve can make Brake Energy finish enough automatically.
(4) design of the adjustable pressure table size of adjustments of gas pressure is as required regulated the time of brake and the effect of brake with this, reaches better purpose.
In sum, the technical scheme structure optimization of being adopted in the utility model is reasonable, and handling safety is stable, and the problem of effectively avoiding brake block often to rupture and brought has actual application value and marketing meaning preferably.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment;
Accompanying drawing 2 is the structural representation at round end Sewing machines brake position.
The specific embodiment
Embodiment, as Fig. 1, shown in 2, a kind of auxiliary brake of button holing sewing machine, comprise brake wheel 22, auxiliary brake wheel 1, brake block 20, arrangement of clutch 9, described auxiliary brake is taken turns 1 upper surface and is provided with the auxiliary brake sheet 2 that matches with the outer surface of auxiliary brake wheel 1, one end of this auxiliary brake sheet 2 is fixed, the other end is connected with the piston rod of cylinder 3, described auxiliary brake sheet 2 is the elasticity brake block, material is a steel, described cylinder 3 is communicated with source of the gas by breather pipe 4, described breather pipe 4 is provided with electromagnetic valve 5, described electromagnetic valve 5 is electrically connected with travel switch 7, be fixed with the shake-up sheet 8 that is provided with travel switch 7 correspondence positions on the described arrangement of clutch 9, be provided with delayer 10 between described electromagnetic valve 5 and the travel switch 7, described breather pipe 4 is provided with the Pressure gauge 6 of adjustable pressure size, described cylinder 3 is unidirectional cylinder, during work, when Sewing Machine woker is accomplished the brake travel position, the shake-up sheet 8 that is fixed with on the arrangement of clutch 9 touches travel switch 7, travel switch control electromagnetic valve 5, cylinder 3 is communicated with source of the gas, drive auxiliary brake sheet 2 then and carry out the auxiliary brake operation, delayer 10 time-delay controls finishing rear electromagnetic valve 5 is closed breather pipe 4, cylinder 3 resets under the effect of spring, and brake block resets, and finishes whole auxiliary brake process.
Claims (6)
1, a kind of auxiliary brake of button holing sewing machine, comprise brake wheel (22), auxiliary brake wheel (1), brake block (20), arrangement of clutch (9), it is characterized in that: described auxiliary brake wheel (1) upper surface is provided with the auxiliary brake sheet (2) that matches with the outer surface of auxiliary brake wheel (1), one end of this auxiliary brake sheet (2) is fixed, the other end is connected with the piston rod of cylinder (3), and described cylinder (3) is communicated with source of the gas by breather pipe (4).
2, the auxiliary brake of a kind of button holing sewing machine as claimed in claim 1, it is characterized in that: described breather pipe (4) is provided with electromagnetic valve (5), described electromagnetic valve (5) is electrically connected with a travel switch (7), is fixed with the shake-up sheet (8) that is provided with travel switch (7) correspondence position on the described arrangement of clutch (9).
3, the auxiliary brake of a kind of button holing sewing machine as claimed in claim 2 is characterized in that: be provided with delayer (10) between described electromagnetic valve (5) and the travel switch (7).
4, the auxiliary brake of a kind of button holing sewing machine as claimed in claim 3 is characterized in that: described breather pipe (4) is provided with the Pressure gauge (6) of adjustable pressure size.
5, the auxiliary brake of a kind of button holing sewing machine as claimed in claim 4 is characterized in that: described cylinder (3) is unidirectional cylinder.
6, the auxiliary brake of a kind of button holing sewing machine as claimed in claim 5 is characterized in that: described auxiliary brake sheet (2) is the elasticity brake block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620087297 CN200988898Y (en) | 2006-07-28 | 2006-07-28 | Auxiliary braking device for button hole sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620087297 CN200988898Y (en) | 2006-07-28 | 2006-07-28 | Auxiliary braking device for button hole sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200988898Y true CN200988898Y (en) | 2007-12-12 |
Family
ID=38939935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620087297 Expired - Lifetime CN200988898Y (en) | 2006-07-28 | 2006-07-28 | Auxiliary braking device for button hole sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200988898Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619012A (en) * | 2012-01-13 | 2012-08-01 | 宁波慈星股份有限公司 | Needle transfer cam of flat knitting machine |
-
2006
- 2006-07-28 CN CN 200620087297 patent/CN200988898Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619012A (en) * | 2012-01-13 | 2012-08-01 | 宁波慈星股份有限公司 | Needle transfer cam of flat knitting 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 |
Granted publication date: 20071212 |
|
| EXPY | Termination of patent right or utility model |