CN204385539U - The automatic vacuum regulating device of cutting - Google Patents
The automatic vacuum regulating device of cutting Download PDFInfo
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- CN204385539U CN204385539U CN201420792620.9U CN201420792620U CN204385539U CN 204385539 U CN204385539 U CN 204385539U CN 201420792620 U CN201420792620 U CN 201420792620U CN 204385539 U CN204385539 U CN 204385539U
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- vacuum
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- pumping tube
- regulating device
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Abstract
The utility model provides the automatic vacuum regulating device of cutting, belongs to cutting technical field.It solve existing structure and do not have protection mechanism, negative pressure unlimited increase can cause the problems such as accident generation.The automatic vacuum regulating device of this cutting, comprise the vacuum-pumping tube that head end connects cutting, vacuum-pumping tube is provided with closed tail end, tail end panel offers axial air admission hole, air admission hole is provided with the vacuum check valve by vacuum cavitations opening and closing in vacuum-pumping tube, the sidewall of vacuum-pumping tube offers the exhaust tube connecting vavuum pump.It is simple that the utility model has structure, with low cost, easy for installation, avoids the appearance of high negative pressure situation, prevents high negative pressure from damaging cutting structure, improves the advantages such as the service property (quality) of cutting and safety coefficient.
Description
Technical field
The utility model belongs to cutting technical field, refers in particular to a kind of automatic vacuum regulating device of cutting.
Background technology
Cutting is when cutting out face material, and produce negative pressure with vavuum pump and be adsorbed in cutting by fabric, such fabric can not produce slip staggered floor and displacement.In actual use, cutting vacuum cavity has holding capacity limit to negative pressure, if when the work of vavuum pump makes that in vacuum cavity, negative pressure is excessive, then can damage cutting, and the long-time high negative pressure of vacuum system runs the service life that also can affect self, also easily causes the generation of non-security accident.
Summary of the invention
The purpose of this utility model is to provide a kind of automatic vacuum regulating device of cutting.
The purpose of this utility model is achieved in that
The automatic vacuum regulating device of cutting, it is characterized in that: comprise the vacuum-pumping tube that head end connects cutting, vacuum-pumping tube is provided with closed tail end, tail end panel offers axial air admission hole, air admission hole is provided with the vacuum check valve by vacuum cavitations opening and closing in vacuum-pumping tube, the sidewall of vacuum-pumping tube offers the exhaust tube connecting vavuum pump.
In the automatic vacuum regulating device of above-mentioned cutting, the concrete structure of described vacuum check valve is: the sealing plate being provided with salable air admission hole inside tail end panel, sealing plate is fixed with the some thread spindles through tail end panel, the screw thread axle head being positioned at tail end panels outside is provided with self-locking nut, and the thread spindle between self-locking nut and tail end panel overlaps back-moving spring.
In the automatic vacuum regulating device of above-mentioned cutting, the number of described thread spindle is 2-6, is distributed on sealing plate in circumference.
In the automatic vacuum regulating device of above-mentioned cutting, the thread spindle between described self-locking nut and back-moving spring is arranged with spring pad.
In the automatic vacuum regulating device of above-mentioned cutting, the tail end cover of described vacuum-pumping tube has filter cotton, and the inner side of filter cotton is provided with screen pack.
The utility model gives prominence to compared to existing technology and useful technique effect is:
1, the utility model is provided with vacuum check valve, and when the negative pressure in vacuum tube is normal, vacuum check valve is in closed condition, when negative pressure exceedes limit value, then vacuum check valve is opened and is poured into air in vacuum tube, reduces the negative pressure in vacuum tube, the mode simple and fast of adjustment negative pressure.
2, structure of the present utility model is simple, with low cost, easy for installation, avoids the appearance of high negative pressure situation, prevents high negative pressure from damaging cutting structure, improves service property (quality) and the safety coefficient of cutting.
Accompanying drawing explanation
Fig. 1 is that structure of the present utility model partly cuts open schematic diagram.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, see Fig. 1:
The automatic vacuum regulating device of cutting, comprise the vacuum-pumping tube 1 that head end 2 connects cutting, vacuum-pumping tube is provided with closed tail end 3, tail end panel 4 offers axial air admission hole 5, air admission hole is provided with the vacuum check valve by vacuum cavitations opening and closing in vacuum-pumping tube, the sidewall of vacuum-pumping tube offers the exhaust tube 6 connecting vavuum pump.
The concrete structure of described vacuum check valve is: the sealing plate 7 being provided with salable air admission hole inside tail end panel, sealing plate is fixed with the some thread spindles 8 through tail end panel, the screw thread axle head being positioned at tail end panels outside is provided with self-locking nut 9, and the thread spindle between self-locking nut and tail end panel overlaps back-moving spring 10.
Operation principle of the present utility model is: vacuum-pumping tube 1 head end 2 connects cutting, when vavuum pump is started working, air is drawn out of through vacuum-pumping tube, produce negative pressure of vacuum absorption fabric, under normal operation: negative pressure of vacuum is less than the elastic force of back-moving spring 10, therefore pull lower seal plate to block air admission hole 5 on tail end panel 4 at back-moving spring 10 elastic force, therefore maintain certain negative pressure value in vacuum-pumping tube and make cutting adsorb fabric;
Overload conditions: when negative pressure of vacuum is greater than the elastic force of back-moving spring 10, then sealing plate is pulled under the effect of negative pressure, and air admission hole 5 is opened, outside air then enters in vacuum-pumping tube, carry out reduction negative pressure, after negative pressure reduces back-moving spring again elastic force under, sealing plate reseals air admission hole 5.
The number of described thread spindle is 2-6, is distributed on sealing plate in circumference.
Thread spindle between described self-locking nut and back-moving spring is arranged with spring pad 11.
The tail end cover of described vacuum-pumping tube has filter cotton 12, and the inner side of filter cotton is provided with screen pack 13.In vacuum-pumping tube, enter dust, keep the clean of cutting inside.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (5)
1. the automatic vacuum regulating device of cutting, it is characterized in that: comprise the vacuum-pumping tube (1) that head end (2) connects cutting, vacuum-pumping tube is provided with closed tail end (3), tail end panel (4) offers axial air admission hole (5), air admission hole is provided with the vacuum check valve by vacuum cavitations opening and closing in vacuum-pumping tube, the sidewall of vacuum-pumping tube offers the exhaust tube (6) connecting vavuum pump.
2. the automatic vacuum regulating device of cutting according to claim 1, it is characterized in that: the concrete structure of described vacuum check valve is: the sealing plate (7) being provided with salable air admission hole inside tail end panel, sealing plate is fixed with the some thread spindles (8) through tail end panel, the screw thread axle head being positioned at tail end panels outside is provided with self-locking nut (9), the thread spindle between self-locking nut and tail end panel overlaps and has back-moving spring (10).
3. the automatic vacuum regulating device of cutting according to claim 2, is characterized in that: the number of described thread spindle is 2-6, is distributed on sealing plate in circumference.
4. the automatic vacuum regulating device of cutting according to claim 2, is characterized in that: the thread spindle between described self-locking nut and back-moving spring is arranged with spring pad (11).
5. the automatic vacuum regulating device of cutting according to claim 1, is characterized in that: the tail end cover of described vacuum-pumping tube has filter cotton (12), and the inner side of filter cotton is provided with screen pack (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792620.9U CN204385539U (en) | 2014-12-15 | 2014-12-15 | The automatic vacuum regulating device of cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420792620.9U CN204385539U (en) | 2014-12-15 | 2014-12-15 | The automatic vacuum regulating device of cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204385539U true CN204385539U (en) | 2015-06-10 |
Family
ID=53358272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420792620.9U Active CN204385539U (en) | 2014-12-15 | 2014-12-15 | The automatic vacuum regulating device of cutting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204385539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499263A (en) * | 2014-12-15 | 2015-04-08 | 拓卡奔马机电科技有限公司 | Vacuum automatic adjusting device of cutting bed |
-
2014
- 2014-12-15 CN CN201420792620.9U patent/CN204385539U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104499263A (en) * | 2014-12-15 | 2015-04-08 | 拓卡奔马机电科技有限公司 | Vacuum automatic adjusting device of cutting bed |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |