CN207916031U - A kind of plastics suction mould - Google Patents
A kind of plastics suction mould Download PDFInfo
- Publication number
- CN207916031U CN207916031U CN201721828190.1U CN201721828190U CN207916031U CN 207916031 U CN207916031 U CN 207916031U CN 201721828190 U CN201721828190 U CN 201721828190U CN 207916031 U CN207916031 U CN 207916031U
- Authority
- CN
- China
- Prior art keywords
- outlet passageway
- piston
- mounting base
- installation passage
- cope plate
- 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 - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of plastics suction mould, including cope plate, lower template and vacuum pump, the outlet passageway that one end is connected to cavity is provided on cope plate, an installation passage is provided on cope plate, one end of the installation passage and the other end of outlet passageway connect, and the internal diameter of installation passage is more than the internal diameter of outlet passageway, a step surface is formed in installation passage and outlet passageway joining place, the other end of installation passage is connected to vacuum pump, a mounting base is provided in installation passage, movable wear is connected to a piston rod in mounting base, one end on piston rod close to outlet passageway is provided with a piston, a spring is provided between mounting base and piston, the elastic stress of spring is for extrusion piston so that piston is supported in step surface, venthole is provided in mounting base.The utility model can block outlet passageway under non-working condition, prevent dust from entering cavity, when in use, there is the normally that can ensure outlet passageway.
Description
Technical field
The utility model is related to a kind of plastics suction moulds.
Background technology
Plastics suction mould generally includes cope plate, lower template, and cope plate and lower template are on molding back wall forming cavity, cope plate
It is provided with outlet passageway, one end of outlet passageway is connected to cavity, the other end is connected to vacuum pump, and vacuum pump passes through outlet passageway
Cavity is vacuumized, material deformation under the action of pressure difference is made to be shaped to product.Since outlet passageway is connected to cavity, non-
Under use state, the impurity such as dust in outside air can enter via outlet passageway in cavity, pollute the inside of mold, influence
The yield of product.
Utility model content
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of plastics suction moulds, can make non-
Prevent impurity from entering inside cavity when with state.
To achieve the above object, the utility model adopts the following technical solution：
The lower surface of a kind of plastics suction mould, including cope plate, lower template and vacuum pump, cope plate is provided with a fovea superior
Slot, the upper surface of lower template are provided with a lower groove, upper groove and lower groove and mold back wall forming cavity in cope plate and lower template,
It is provided with the outlet passageway that one end is connected to cavity on cope plate, an installation passage is provided on cope plate, the installation passage
The other end of one end and outlet passageway connects, and the internal diameter of installation passage is more than the internal diameter of outlet passageway, in installation passage and goes out
Gas channel joining place forms a step surface, and the other end of installation passage is connected to vacuum pump, a peace is provided in installation passage
Seat is filled, movable wear is connected to a piston rod in mounting base, and one end on piston rod close to outlet passageway is provided with a piston, installs
A spring is provided between seat and piston, the elastic stress of spring is used for extrusion piston so that piston is supported in step surface, peace
It is provided with venthole on dress seat.
Mounting base includes the end wall for being screwed onto the cylindrical portion of installation passage inner wall and being fixed in cylindrical portion, piston rod
Movable wear is connected on the end wall, and venthole is opened on end wall.
Multiple ventholes, central axis circumference array of multiple venthole around mounting base are offered on end wall.
The plastics suction mould further includes having a pipe fitting, and one end of the pipe fitting is screwed onto on the inner wall of cylindrical portion, the other end
It is connected to vacuum pump.
Piston is additionally provided with sealing ring on the face of step surface cooperation.
The beneficial effects of the utility model are：
Compared with the prior art, the utility model can block outlet passageway, prevent dust from entering under non-working condition
Cavity has the normally that can ensure outlet passageway when in use.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Specific implementation mode
In the following, in conjunction with the drawings and specific embodiments, the utility model is further described：
As shown in Figure 1, for a kind of plastics suction mould of the utility model, including cope plate 10, lower template 20 and vacuum pump,
The lower surface of cope plate 10 is provided with a upper groove 11, and the upper surface of lower template 20 is provided with a lower groove 21,11 He of upper groove
Lower groove 21 molds back wall forming cavity in cope plate 10 and lower template 20, and be provided with that one end is connected to cavity on cope plate 10 goes out
Gas channel 12 is provided with an installation passage 13, the other end of one end and outlet passageway 12 of the installation passage 13 on cope plate 10
Connection, and the internal diameter of installation passage 13 is more than the internal diameter of outlet passageway 12, in 12 joining place shape of installation passage 13 and outlet passageway
At a step surface 14, the other end of installation passage 13 is connected to vacuum pump, and a mounting base 34 is provided in installation passage 13, peace
Movable wear is connected to a piston rod 31 on dress seat 34, and one end of outlet passageway 12 is provided with a piston 32 on piston rod 31,
A spring 33 is provided between mounting base 34 and piston 32, the elastic stress of spring 33 is used for extrusion piston 32 so that piston 32 supports
It withstands on step surface 14, venthole 343 is provided in mounting base 34.
In the utility model, when plastics suction mould is in non-working condition, 33 top pressure piston 32 of spring makes piston 32 support
On step surface 14, to block outlet passageway 12, prevent the impurity such as external dust from entering cavity by outlet passageway 12；Make
Used time, vacuum pump pumping due to pressure difference, make spring 33 be compressed, and piston 32 is detached with step surface, by outlet passageway 12 and peace
It fills channel 13 to be connected to, gas is flowed out via venthole 343, to ensure that plastics suction mould can work normally.Compared to existing skill
Art, the utility model can block outlet passageway under non-working condition, prevent dust from entering cavity, and when in use, having can
Ensure the normally of outlet passageway.
Mounting base 34 includes the end for being screwed onto the cylindrical portion 341 of 13 inner wall of installation passage and being fixed in cylindrical portion 341
Wall 342, movable wear of piston rod 31 are connected on the end wall 342, and venthole 343 is opened on end wall 342.
Multiple ventholes 343, central axis circumference of the multiple venthole 343 around mounting base 34 are offered on end wall 342
Array.
The plastics suction mould further includes having a pipe fitting 35, one end of the pipe fitting 35 is screwed onto on the inner wall of cylindrical portion 341,
The other end is connected to vacuum pump.
It is additionally provided with sealing ring on the face that piston 32 coordinates with step surface 14.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to aforementioned reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that, it still can be to preceding
The technical solution recorded in each embodiment is stated to modify or equivalent replacement of some of the technical features, and these
Modification or replacement, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (5)
1. the lower surface of a kind of plastics suction mould, including cope plate, lower template and vacuum pump, cope plate is provided with a upper groove,
The upper surface of lower template is provided with a lower groove, upper groove and lower groove and molds back wall forming cavity in cope plate and lower template, on
The outlet passageway that one end is connected to cavity is provided in template, which is characterized in that an installation passage is provided on cope plate, the peace
The other end of one end and outlet passageway for filling channel connects, and the internal diameter of installation passage is more than the internal diameter of outlet passageway, is installing
Channel and outlet passageway joining place form a step surface, and the other end of installation passage is connected to vacuum pump, is set in installation passage
It is equipped with a mounting base, movable wear is connected to a piston rod in mounting base, and one end on piston rod close to outlet passageway is provided with one
Piston, is provided with a spring between mounting base and piston, the elastic stress of spring is used for extrusion piston so that piston is supported in platform
On terrace, venthole is provided in mounting base.
2. plastics suction mould as described in claim 1, which is characterized in that mounting base includes being screwed onto the tubular of installation passage inner wall
Portion and the end wall being fixed in cylindrical portion, movable wear of piston rod are connected on the end wall, and venthole is opened on end wall.
3. plastics suction mould as claimed in claim 2, which is characterized in that offer multiple ventholes, multiple ventilation on end wall
Central axis circumference array of the hole around mounting base.
4. plastics suction mould as claimed in claim 2, which is characterized in that the plastics suction mould further includes having a pipe fitting, which connects
One end of head is screwed onto on the inner wall of cylindrical portion, the other end is connected to vacuum pump.
5. plastics suction mould as described in claim 1, which is characterized in that piston is additionally provided with sealing on the face of step surface cooperation
Circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828190.1U CN207916031U (en) | 2017-12-22 | 2017-12-22 | A kind of plastics suction mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721828190.1U CN207916031U (en) | 2017-12-22 | 2017-12-22 | A kind of plastics suction mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207916031U true CN207916031U (en) | 2018-09-28 |
Family
ID=63607652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721828190.1U Expired - Fee Related CN207916031U (en) | 2017-12-22 | 2017-12-22 | A kind of plastics suction mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207916031U (en) |
-
2017
- 2017-12-22 CN CN201721828190.1U patent/CN207916031U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20191222 |