CN209426077U - Chair injection mold - Google Patents
Chair injection mold Download PDFInfo
- Publication number
- CN209426077U CN209426077U CN201920061185.5U CN201920061185U CN209426077U CN 209426077 U CN209426077 U CN 209426077U CN 201920061185 U CN201920061185 U CN 201920061185U CN 209426077 U CN209426077 U CN 209426077U
- Authority
- CN
- China
- Prior art keywords
- chair
- cover half
- mandril
- dynamic model
- die cavity
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 238000001746 injection moulding Methods 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008094 contradictory effect Effects 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 8
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of chair injection molds, it is related to injection mold technology, its key points of the technical solution are that: including the cover half and dynamic model mutually fastened, cover half and dynamic model fasten to form die cavity, setting is there are four inlet duct on cover half, and for four inlet duct difference connection for forming the position of four chair legs in die cavity, inlet duct includes the air inlet pipe being arranged in inside cover half, one end connection of air inlet pipe in die cavity, the other end of air inlet pipe through cover half and with extraneous gas source connection.When molten injection molding liquid enters mold cavity and is full of die cavity, external air source is controlled by gas and is injected into mold cavity via air inlet pipe.Gas can form a cavity in chair leg part when entering mold cavity, and the material of chair leg part is reduced with this, accelerates the cooling velocity of chair leg part, promotes the production efficiency of chair to a certain extent.Meanwhile the gas temperature of injection is lower, can effectively accelerate the cooling velocity of chair leg, further promotes the production efficiency of chair.
Description
Technical field
The utility model relates to injection mold technology, in particular to a kind of chair injection mold.
Background technique
Injection mold is a kind of tool for producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Tool.Injection molding refers specifically to by injection molding machine high pressure injection die cavity obtain into the plastics of heated thawing after cooling and solidifying
Shape product.
Currently, existing Plastic chair, shown in Fig. 1, including the sequentially connected chair back 11, seat 12 and chair from top to bottom
Leg 13, leg 13 have four and are symmetrically connected on four angles of 12 bottom of seat.However, to insure that the chair
Stability, seat 12 can be generally supported using cross-sectional area biggish chair leg 13.But cross-sectional area is larger
Chair leg 13 need to take a long time during injection molding and cooled down, reduce the Plastic chair to a certain extent
Production efficiency.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of chair injection mold,
With the advantage that more can quickly produce Plastic chair.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of chair injection mould
Tool, including the cover half and dynamic model mutually fastened, and the cover half and the dynamic model fasten to form die cavity, are arranged on the cover half
There are four inlet duct, four inlet duct difference connection are in the die cavity for forming the position of four chair legs, institute
Stating inlet duct includes the air inlet pipe being arranged in inside the cover half, and one end connection of the air inlet pipe is described in the die cavity
The other end of air inlet pipe through the cover half and with extraneous gas source connection.
Through the above technical solutions, the injection molding liquid of molten is injected into mold cavity, mold cavity in use
Injection molding liquid cooling but form to form Plastic chair.When molten injection molding liquid enters mold cavity and is full of die cavity, control
Gas is injected into mold cavity via air inlet pipe by external air source processed.Gas can be in chair leg part shape when entering mold cavity
At a cavity, the material of chair leg part is reduced with this, accelerates the cooling velocity of chair leg part, promotes the life of chair to a certain extent
Produce efficiency.Meanwhile the gas temperature of injection is lower, can effectively accelerate the cooling velocity of chair leg, further promotes the life of chair
Produce efficiency.
It preferably, further include adjusting block, the adjusting block is embedded on the cover half, and the air inlet pipe is arranged in the tune
In locking nub.
Through the above technical solutions, user can be according to the height of chair to be produced during using the mold
Degree replaces the size of adjusting block.When needing to produce the longer chair of chair leg, the lesser adjusting of height can be changed to
Block.When needing to produce the shorter chair of chair leg, the biggish adjusting block of height can be changed to.The mold is promoted in this way
Applicability.
It preferably, further include ejecting mechanism, the ejecting mechanism from the die cavity for pushing up the chair of injection molding
Out；The ejecting mechanism includes top plate, guide pad and mandril, and the top plate sliding is connected on the cover half, and the top
The glide direction of plate is identical as the die sinking direction of the dynamic model；The guide pad is embedded on the top plate, and the guide pad
Offer guide groove on towards the end face of the dynamic model, the die sinking side of the length direction of the guide groove perpendicular to the dynamic model
To；The die cavity and the chair for contradicting injection molding are protruded into one end of the mandril, and the other end of the mandril, which slides, to be connected
It is connected to the guide groove.
Through the above technical solutions, when needing the balancing on a pyramid of chairs of injection molding for die cavity, it is external dynamic by cylinder etc.
Power source drives top plate mobile towards dynamic model side, in the process, mobile towards dynamic model side inside mandril and cover half, and mandril
It is slided with guide groove.
Preferably, the mandril is connected with jacking block on the end of the dynamic model, and the area of section of the jacking block is big
In the area of section of the mandril.
Through the above technical solutions, the jacking block being set in mandrel ends can effectively increase ejecting mechanism and injection molding
Chair between contact area so that the chair surface of injection molding is not likely to produce thimble trace, so that the surface of chair is more
It is smooth.
Preferably, through slot is offered on the jacking block, the mandril stretches to inside the through slot, and the mandril passes through
Screw in compression is connected to the inner wall of the through slot.
Through the above technical solutions, being connected by screw between jacking block and mandril, when needing to replace jacking block, only
It needs to unscrew screw, jacking block can be separated with mandril and jacking block is replaced.
Preferably, through-hole is offered inside the cover half, the mandril is passed through from the through-hole, and the mandril and institute
State between through-hole wall that there are gaps；It is provided with positioning plate on the cover half, location hole, the top are offered on the positioning plate
Bar is passed through from the location hole, and the outer wall of the mandril fits in the inner wall of the location hole.
Through the above technical solutions, between the outer wall and through-hole wall of mandril, there are gaps, in this way the mistake in mandril sliding
Cheng Zhong is not in contact between mandril and through-hole inside, so that the outer wall of mandril is not susceptible to wear.It is set on cover half and determines
Position plate can be oriented to the glide direction of mandril, so that mandril is not susceptible to deviate in moving process.
Preferably, the guide groove is in inverted T shaped, and the small end of the guide groove is towards the dynamic model side.
Through the above technical solutions, guide groove in inverted T shaped, guarantees that in the use process of the mold, mandril is not easy with this
It is detached from from guide groove, so that the use of the mold becomes more smoothly, quick.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of chair, is mainly used for showing the contour structures of chair；
Fig. 2 is the structural schematic diagram of embodiment, is mainly used for showing the contour structures of embodiment；
Fig. 3 is the partial structure diagram of embodiment, is mainly used for showing the composition of inlet duct；
Fig. 4 is the structural schematic diagram of embodiment part, is mainly used for showing the distribution situation of ejecting mechanism.
Appended drawing reference: 1, cover half；2, dynamic model；3, inlet duct；31, air inlet pipe；32, adjusting block；4, ejecting mechanism；41,
Top plate；42, guide pad；43, mandril；5, guide groove；6, jacking block；7, through slot；8, through-hole；9, positioning plate；10, location hole；11, chair
Back；12, seat；13, chair leg.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of chair injection mold, as shown in Figures 1 to 4, including cover half 1, dynamic model 2 and ejecting mechanism 4, cover half 1
It is interlocked with dynamic model 2, and forms the die cavity for forming chair when cover half 1 and the fastening of dynamic model 2.Using the injection mold to chair
When son is produced, the injection molding liquid of molten is injected by mold cavity by injection molding machine, injection molding liquid is cooled in mold cavity
Plastic chair is formed when type, controls dynamic model 2 later away from the movement of 1 side of cover half and uses ejecting mechanism 4 by injection molding
Chair ejection.
There are four inlet ducts 3, four inlet ducts 3 to distinguish connection in die cavity for forming four for setting on cover half 1
The position of chair leg 13.Inlet duct 3 includes the adjusting block 32 being embedded on cover half 1 and the air inlet pipe being arranged on adjusting block 32
31.One end of air inlet pipe 31 is connected with die cavity, and the other end of air inlet pipe 31 is connect through adjusting block 32 and with extraneous gas source.
When molten injection molding liquid is full of die cavity and starts gradually to cool down, external air source is controlled by gas and is injected into mould via air inlet pipe 31
Intracavitary portion can form a cavity in 13 part of chair leg when gas enters mold cavity.
Ejecting mechanism 4 includes top plate 41, guide pad 42, mandril 43 and jacking block 6.The sliding of top plate 41 is connected on cover half 1,
And the glide direction of top plate 41 is identical as the die sinking direction of dynamic model 2.Guide pad 42 is embedded on top plate 41, and 42 direction of guide pad
Guide groove 5 is offered on the end face of dynamic model 2, the length direction of guide groove 5 is perpendicular to the die sinking direction of dynamic model 2, and guide groove 5 is in
T-type, and the small end of guide groove 5 is towards 2 side of dynamic model.Through-hole 8 is offered inside cover half 1, cover half 1 is arranged far from 2 side of dynamic model
There is the positioning plate 9 for covering 8 aperture of through-hole, connection is offered on positioning plate 9 in the location hole 10 of through-hole 8, mandril 43
One end passes through location hole 10 and slides with guide groove 5 and connects, and the outer wall of mandril 43 contacts at the inner wall of location hole 10；Mandril 43
The other end passed through from through-hole 8, and there are gaps between 8 inner wall of the outer wall of mandril 43 and through-hole.Through slot is offered on jacking block 6
7, mandril 43 stretches to inside through slot 7, and mandril 43 is connected to the inner wall of through slot 7, the area of section of jacking block 6 by screw in compression
Greater than the area of section of mandril 43.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the protection scope of the utility model is determined by the attached claims.
Claims (7)
1. a kind of chair injection mold, including the cover half (1) and dynamic model (2) mutually fastened, and the cover half (1) with it is described
Dynamic model (2) fastening forms die cavity, it is characterized in that: there are four inlet duct (3), four air inlets for setting on the cover half (1)
For connection for forming the position of four chair legs (13) in the die cavity, the inlet duct (3) includes wearing to device (3) respectively
In the internal air inlet pipe (31) of the cover half (1), one end connection of the air inlet pipe (31) is in the die cavity, the air inlet pipe
(31) the other end through the cover half (1) and with extraneous gas source connection.
2. chair injection mold according to claim 1, it is characterized in that: further including adjusting block (32), the adjusting block
(32) it is embedded on the cover half (1), the air inlet pipe (31) is arranged on the adjusting block (32).
3. chair injection mold according to claim 1, it is characterized in that: further including ejecting mechanism (4), the ejector
Structure (4) from the die cavity for ejecting the chair of injection molding；The ejecting mechanism (4) includes top plate (41), guide pad
(42) and mandril (43), top plate (41) sliding is connected on the cover half (1), and the glide direction of the top plate (41)
It is identical as the die sinking direction of the dynamic model (2)；The guide pad (42) is embedded on the top plate (41), and the guide pad
(42) towards offering guide groove (5) on the end face of the dynamic model (2), the length direction of the guide groove (5) is perpendicular to described
The die sinking direction of dynamic model (2)；The die cavity and the chair for contradicting injection molding are protruded into one end of the mandril (43), described
The other end sliding of mandril (43) is connected to the guide groove (5).
4. chair injection mold according to claim 3, it is characterized in that: the mandril (43) is close to the dynamic model (2)
End on be connected with jacking block (6), and the area of section of the jacking block (6) be greater than the mandril (43) area of section.
5. chair injection mold according to claim 4, it is characterized in that: through slot (7) are offered on the jacking block (6),
It is internal that the mandril (43) stretches to the through slot (7), and the mandril (43) is connected to the through slot (7) by screw in compression
Inner wall.
6. chair injection mold according to claim 3, it is characterized in that: offering through-hole inside the cover half (1)
(8), the mandril (43) passes through from the through-hole (8), and there are skies between the mandril (43) and the through-hole (8) inner wall
Gap；It is provided with positioning plate (9) on the cover half (1), is offered location hole (10) on the positioning plate (9), the mandril (43)
It is passed through from the location hole (10), and the outer wall of the mandril (43) fits in the inner wall of the location hole (10).
7. chair injection mold according to claim 3, it is characterized in that: the guide groove (5) is in inverted T shaped and described
The small end of guide groove (5) is towards the dynamic model (2) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061185.5U CN209426077U (en) | 2019-01-15 | 2019-01-15 | Chair injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061185.5U CN209426077U (en) | 2019-01-15 | 2019-01-15 | Chair injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209426077U true CN209426077U (en) | 2019-09-24 |
Family
ID=67976227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920061185.5U Expired - Fee Related CN209426077U (en) | 2019-01-15 | 2019-01-15 | Chair injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209426077U (en) |
-
2019
- 2019-01-15 CN CN201920061185.5U patent/CN209426077U/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 |
Granted publication date: 20190924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |