CN215487630U - Sealing device of vacuum setting machine - Google Patents
Sealing device of vacuum setting machine Download PDFInfo
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- CN215487630U CN215487630U CN202122106010.1U CN202122106010U CN215487630U CN 215487630 U CN215487630 U CN 215487630U CN 202122106010 U CN202122106010 U CN 202122106010U CN 215487630 U CN215487630 U CN 215487630U
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- access hole
- sealing cover
- sealing
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- elastic sealing
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Abstract
The utility model relates to the technical field of vacuum forming machines, and discloses a sealing device of a vacuum forming machine, which comprises an access hole and a sealing cover, wherein the sealing cover is hinged on one side of the access hole, the lower end surface of the sealing cover covers the access hole, the edge of the access hole is provided with a folded edge extending towards the direction of the sealing cover, an elastic sealing sheet is arranged between the sealing cover and the access hole, the sealing cover is isolated from the access hole through the elastic sealing sheet, the sealing cover and the access hole are mutually extruded and then sealed by the elastic deformation of the elastic sealing sheet, a leakage-free effect is achieved, the elastic sealing sheet has good buffer to the pressure born by the sealing cover, the phenomenon of untight sealing caused by the deformation of the sealing cover is effectively avoided, meanwhile, the elastic sealing sheet isolates the sealing cover from the inner space of the equipment, the corrosion of hot gas caused by condensation water is effectively reduced, the safe operation performance of the equipment is improved, and the service life of the equipment is prolonged, further reduce the equipment maintenance cost, improve enterprise economic benefits.
Description
Technical Field
The utility model relates to the technical field of vacuum forming machines, in particular to a sealing device of a vacuum forming machine.
Background
In a pipe manufacturing line, a pipe coming out of a forming machine generally needs to be subjected to a forming process of a vacuum forming machine. The process flow in the vacuum setting machine needs to carry out the steps of vacuumizing and cooling, and particularly, when the sectional material enters the setting sleeve from the front end of the setting machine and passes through the vacuum and cooling processes in the setting machine, pressure difference is generated inside and outside the sectional material, and the setting of the sectional material is realized by utilizing the pressure difference.
Among the prior art, for the convenience of maintenance, generally can set up a plurality of access holes on the forming machine, each access hole is generally sealed through sealed lid, but in the forming machine course of operation, the coolant liquid in the forming machine box can directly spray to sealed covering, causes the corrosion of sealed lid to cause sealed poor, the short scheduling problem of life of sealed effect, and the sealed lid of vacuum forming platform during operation is out of shape easily under the effect of inside and outside pressure differential.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sealing device of a vacuum forming machine, which has the advantages of good sealing effect, long service life, difficult deformation, low maintenance cost and the like.
The technical purpose of the utility model is realized by the following technical scheme:
the utility model provides a vacuum forming machine sealing device, includes access hole and sealed lid, sealed lid articulates one side at the access hole, the lower terminal surface of sealed lid covers on the access hole, the edge of access hole is equipped with the hem that extends towards the direction of sealed lid, be equipped with the elasticity gasket between sealed lid and the access hole, the elasticity gasket will seal the lid and keep apart with the access hole.
Through adopting above-mentioned technical scheme, it is sealed to rely on elastic deformation realization of elastic sealing piece after sealed lid and the access hole mutual extrusion, it does not have the leakage effect to reach, the elastic sealing piece sets up between sealed lid and access hole, there is a better buffering elastic sealing piece to the inside negative pressure of the equipment that sealed lid bore, effectively avoided sealed covering the not tight phenomenon of sealing that the lower surface warp to lead to because of pressure differential to take place, and simultaneously, the elastic sealing piece will seal the lid and the equipment inner space is isolated, the corruption that the condensation water is met to the hot gas has effectively been reduced, the safe operation performance and the life of equipment have been increased, further reduce the plant maintenance cost, improve enterprise economic benefits.
The utility model is further provided with: the edge of the elastic sealing piece is provided with a U-shaped folded edge, and a U-shaped opening of the U-shaped folded edge is matched with the folded edge of the access opening.
Through adopting above-mentioned technical scheme, can be well with the hem block of access hole in U type mouth through U type hem, the inner wall of U type mouth fully wraps up the hem of access hole, and the hem of access hole is wrapped up the back by U type mouth, greatly increased the sealed face between elastic sealing piece and the access hole, sealed effect is better, and U type mouth still has the supporting role to the hem of access hole, and the hem of access hole is difficult for the pressurized deformation.
The utility model is further provided with: the edge of the sealing cover is provided with a clamping groove, and the width of the clamping groove is matched with the width of the U-shaped folded edge of the elastic sealing sheet.
Through adopting above-mentioned technical scheme, through the draw-in groove can be fine with the U type hem block of elastic sealing piece in the draw-in groove, the inner wall of draw-in groove fully wraps up the outer wall of U type hem, greatly increased sealed face between sealed lid and the elastic sealing piece, sealed effect is better.
The utility model is further provided with: the elastic sealing piece is connected with the sealing cover through a spring.
Through adopting above-mentioned technical scheme, the setting up of spring is used for being connected elastic sealing piece and sealed lid on the one hand, cushions the internal pressure that external pressure and elastic sealing piece that sealed lid received, reduces the influence of internal and external differential pressure to sealed lid, reduces the deformation probability of sealed lid.
The utility model is further provided with: the spring quantity is a plurality of, and each spring evenly distributed is between elasticity gasket and sealed lid.
Through adopting above-mentioned technical scheme, guaranteed the stability of spring force between elastic sealing piece and the sealed lid, further improved the sealed stability of elastic sealing piece.
The utility model is further provided with: the elastic sealing piece is made of rubber.
Through adopting above-mentioned technical scheme, the rubber material has rust-resistant loses, high temperature resistant, frictional force is big, advantages such as the leakproofness is good, consequently, the elasticity gasket adopts the rubber material to have advantages such as practical life is long, sealing performance is good.
The utility model has the beneficial effects that:
1. according to the utility model, the sealing cover and the access hole are mutually extruded and then sealed by means of elastic deformation of the elastic sealing sheet, so that a leakage-free effect is achieved, the elastic sealing sheet is arranged between the sealing cover and the access hole, the elastic sealing sheet has a better buffer effect on negative pressure inside equipment borne by the sealing cover, the phenomenon of loose sealing caused by deformation of the upper surface and the lower surface of the sealing cover due to pressure difference is effectively avoided, meanwhile, the elastic sealing sheet isolates the sealing cover from the inner space of the equipment, the corrosion of hot gas in condensation water is effectively reduced, the safe operation performance and the service life of the equipment are increased, the maintenance cost of the equipment is further reduced, and the economic benefit of enterprises is improved.
2. According to the utility model, the elastic sealing sheet clamps the folded edge of the access hole in the U-shaped hole through the U-shaped folded edge, the sealing cover clamps the U-shaped folded edge of the elastic sealing sheet in the clamping groove through the clamping groove, the folded edge of the access hole is fully wrapped by the inner wall of the U-shaped hole, the outer wall of the U-shaped folded edge is fully wrapped by the inner wall of the clamping groove, after the access hole and the U-shaped folded edge are wrapped, the sealing surface is greatly increased, the sealing effect is better, the clamping groove and the U-shaped hole also have a supporting effect on the folded edge of the access hole, and the folded edge of the access hole is not easy to deform under pressure.
3. According to the utility model, the elastic sealing sheet is connected with the sealing cover through the spring, and the spring is arranged to connect the elastic sealing sheet with the sealing cover, so that the external pressure borne by the sealing cover and the internal pressure borne by the elastic sealing sheet are buffered, the influence of the internal and external pressure difference on the sealing cover is reduced, and the deformation probability of the sealing cover is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional view of a sealing device of a vacuum forming machine according to the present invention.
In the figure, 1, a service hole; 2. a sealing cover; 3. folding edges; 4. an elastic sealing sheet; 5. folding the U-shaped edge; 6. a card slot; 7. a spring.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Referring to fig. 1, a sealing device of a vacuum forming machine comprises an access hole 1 and a sealing cover 2, wherein the sealing cover 2 is hinged on one side of the access hole 1, the lower end surface of the sealing cover 2 covers the access hole 1, the edge of the access hole 1 is provided with a folded edge 3 extending towards the direction of the sealing cover 2, an elastic sealing sheet 4 is arranged between the sealing cover 2 and the access hole 1, the sealing cover 2 is isolated from the access hole 1 by the elastic sealing sheet 4, the sealing cover 2 and the access hole 1 are mutually extruded and then sealed by the elastic sealing sheet 4 through elastic deformation, a leakage-free effect is achieved, the elastic sealing sheet 4 is arranged between the sealing cover 2 and the access hole 1, the elastic sealing sheet 4 has a good buffer on the negative pressure inside the sealing cover 2, and the phenomenon that the upper surface and the lower surface of the sealing cover 2 are deformed due to pressure difference and cause untight sealing is effectively avoided, meanwhile, the elastic sealing piece 4 isolates the sealing cover 2 from the inner space of the equipment, so that the corrosion of hot gas in the case of condensation water is effectively reduced, the safe operation performance and the service life of the equipment are improved, the equipment maintenance cost is further reduced, and the economic benefit of enterprises is improved.
Further, the edge of elastic sealing piece 4 is equipped with U type hem 5, the U type mouth of U type hem 5 mutually supports with hem 3 at the edge of access hole 1, can be well with 3 blocks of hem of access hole 1 in U type mouth through U type hem 5, the inner wall of U type mouth fully wraps up hem 3 of access hole 1, behind 3 hem of access hole 1 wrapped up by U type mouth, greatly increased the sealed face between elastic sealing piece 4 and the access hole 1, sealed effect is better, and U type mouth still has the supporting role to hem 3 of access hole 1, 3 difficult pressurized deformations of hem of access hole 1.
Further, the edge of sealed lid 2 is equipped with draw-in groove 6, the width of draw-in groove 6 and the width phase-match of the U type hem 5 of elasticity gasket 4, through draw-in groove 6 can be fine with the U type hem 5 block of elasticity gasket 4 in draw-in groove 6, the inner wall of draw-in groove 6 fully wraps up the outer wall of U type hem 5, greatly increased sealed face between 2 and the elasticity gasket 4, sealed effect is better.
Further, be connected through spring 7 between elastic sealing piece 4 and the sealed lid 2, spring 7's setting is used for being connected elastic sealing piece 4 and sealed lid 2 on the one hand, cushions the external pressure that sealed lid 2 received and the internal pressure that elastic sealing piece 4 bore, reduces the influence of inside and outside pressure difference to sealed lid 2, reduces sealed lid 2's deformation probability.
Further, spring 7 quantity is a plurality of, and each spring 7 evenly distributed has guaranteed the stability of spring force between elastic sealing piece 4 and the sealed lid 2, has further improved the stability that elastic sealing piece 4 is sealed.
Furthermore, the elastic sealing sheet 4 is made of rubber, and the rubber has the advantages of rust resistance, high temperature resistance, large friction force, good sealing performance and the like, so that the elastic sealing sheet 4 made of rubber has the advantages of long service life, good sealing performance and the like.
The working principle of the utility model is as follows: the sealing cover 2 is turned around the sealing cover and the access opening 1 until the lower end face of the sealing cover 2 covers the access opening 1, at the moment, the U-shaped folded edge 5 clamps the folded edge 3 of the access opening 1 in the U-shaped opening, the clamping groove 6 clamps the U-shaped folded edge 5 of the elastic sealing sheet 4 in the clamping groove 6, the sealing cover 2 and the access opening 1 are mutually extruded and then sealed by means of elastic deformation of the elastic sealing sheet 4, a leakage-free effect is achieved, the elastic sealing sheet 4 is arranged between the sealing cover 2 and the access opening 1, the elastic sealing sheet 4 has good buffering effect on negative pressure inside equipment borne by the sealing cover 2, the phenomenon that the upper surface and the lower surface of the sealing cover 2 are not tightly sealed due to deformation caused by pressure difference is effectively avoided, meanwhile, the sealing cover 2 is isolated from the inner space of the equipment by the elastic sealing sheet 4, corrosion of condensation water caused by hot gas is effectively reduced, the safe operation performance of the equipment is improved, and the service life is prolonged, further reduce the equipment maintenance cost, improve enterprise economic benefits.
Claims (6)
1. The utility model provides a vacuum forming machine sealing device, includes access hole (1) and sealed lid (2), sealed lid (2) articulate in one side of access hole (1), its characterized in that: the lower terminal surface of sealed lid (2) covers on access hole (1), the edge of access hole (1) is equipped with hem (3) that the direction of sealed lid (2) extends, be equipped with elasticity gasket (4) between sealed lid (2) and access hole (1), elasticity gasket (4) are with sealed lid (2) and access hole (1) isolation.
2. The sealing device of a vacuum forming machine according to claim 1, wherein: the edge of the elastic sealing piece (4) is provided with a U-shaped folded edge (5), and a U-shaped opening of the U-shaped folded edge (5) is matched with the folded edge (3) at the edge of the access opening (1).
3. The sealing device of a vacuum forming machine according to claim 2, wherein: the edge of the sealing cover (2) is provided with a clamping groove (6), and the width of the clamping groove (6) is matched with the width of a U-shaped folding edge (5) of the elastic sealing piece (4).
4. The sealing device of a vacuum forming machine according to claim 3, wherein: the elastic sealing piece (4) is connected with the sealing cover (2) through a spring (7).
5. The sealing device of a vacuum forming machine according to claim 4, wherein: the number of the springs (7) is multiple, and the springs (7) are uniformly distributed between the elastic sealing sheet (4) and the sealing cover (2).
6. The sealing device of a vacuum forming machine according to claim 5, wherein: the elastic sealing piece (4) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122106010.1U CN215487630U (en) | 2021-09-02 | 2021-09-02 | Sealing device of vacuum setting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122106010.1U CN215487630U (en) | 2021-09-02 | 2021-09-02 | Sealing device of vacuum setting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487630U true CN215487630U (en) | 2022-01-11 |
Family
ID=79767331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122106010.1U Active CN215487630U (en) | 2021-09-02 | 2021-09-02 | Sealing device of vacuum setting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487630U (en) |
-
2021
- 2021-09-02 CN CN202122106010.1U patent/CN215487630U/en active Active
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