CN208290397U - Handle injection mold - Google Patents
Handle injection mold Download PDFInfo
- Publication number
- CN208290397U CN208290397U CN201820432334.XU CN201820432334U CN208290397U CN 208290397 U CN208290397 U CN 208290397U CN 201820432334 U CN201820432334 U CN 201820432334U CN 208290397 U CN208290397 U CN 208290397U
- Authority
- CN
- China
- Prior art keywords
- mandril
- ejector retainner
- retainner plate
- insert
- cover half
- 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
The utility model discloses a kind of handle injection molds, its key points of the technical solution are that: including fixed half and moving half, the die cavity for forming handle is equipped between fixed half and moving half, cover half is equipped with pedestal far from one end of dynamic model, mounting hole is offered on cover half, sliding is provided with ejector retainner plate in mounting hole, pedestal is equipped with for driving ejector retainner plate to make the oil cylinder close to dynamic model movement, ejector retainner plate is equipped with the first mandril and the second mandril, first mandril is located at the bottom wall of die cavity away from one end of ejector retainner plate, second mandril passes through cover half away from one end of ejector retainner plate and is connected with insert, insert is arranged in cover half and for forming lantern ring and setting one's teeth on edge.When demoulding, the bonding force between product and lower die reduces, and can prevent product from mold sticking occur to a certain extent, is conducive to the Forming Quality for promoting product.
Description
Technical field
The utility model relates to injection mold technology, in particular to a kind of handle injection mold.
Background technique
Injection mold is a kind of tool for producing plasthetics, is also to confer to plasthetics complete structure and accurate-size
Tool, injection molding are a kind of processing method used when producing certain complex-shaped components in batches, in particular to melt heated
The plastics of change inject die cavity by injection molding machine high pressure and obtain formed products after cooling and solidifying.
As shown in Figure 1, a kind of handle, including handle body 1, handle body 1 are being covered including bracelet 11, lantern ring 12, setting
Multiple on ring 12 set one's teeth on edge 13, and multiple 13 equidistant circumference of setting one's teeth on edge are distributed on lantern ring 12.
Existing handle can be manufactured by injection mold, and when demoulding, handle body 1 is located in the die cavity 4 of lower die, by
In setting one's teeth on edge, the contact area between 13 and lower die is larger, and the bonding force set one's teeth on edge between 13 and lower die is larger, and setting one's teeth on edge 13 has part
It is sticked in lower die, influences the quality of handle.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of handle injection mold, molding
The quality of the handle at place is higher.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of handle injection mould
Have, including fixed half and moving half, the die cavity for forming handle is equipped between the fixed half and moving half, the cover half is far from dynamic model
One end is equipped with pedestal, and mounting hole is offered on the cover half, and sliding is provided with ejector retainner plate in the mounting hole, sets on the pedestal
Have for driving ejector retainner plate to make the oil cylinder close to dynamic model movement, the ejector retainner plate is equipped with the first mandril and the second mandril, described
First mandril is located at the bottom wall of die cavity away from one end of ejector retainner plate, and second mandril passes through cover half simultaneously away from one end of ejector retainner plate
It is connected with insert, the insert is arranged in cover half and for forming lantern ring and setting one's teeth on edge.
Through the above technical solutions, when demoulding, the piston rod elongation of oil cylinder, and then drive ejector retainner plate to close to dynamic model direction
Movement, then ejector retainner plate pushes the first mandril and the second mandril to move to close to dynamic model direction, and the first mandril pushes away at the same time
Power is applied on product, the thrust of the second mandril is applied on product by insert, and the first mandril and the second mandril cooperate to incite somebody to action
Product, is then removed the demoulding that product can be realized by product ejection from insert, and the bonding force between product and lower die reduces,
It can prevent product from mold sticking occur to a certain extent, be conducive to the Forming Quality for promoting product.
Preferably, opened up on the cover half it is fluted, to being extended with flange away from insert direction on the side wall of the insert,
The flange is embedded in groove, and the flange is abutted away from the end face of the second mandril with lantern ring.
Through the above technical solutions, the second mandril pushes insert and moves to away from cover half direction when demoulding, since flange is carried on the back
End face from the second mandril is abutted with lantern ring, then relative movement is less prone between insert and product, can be prevented to a certain extent
Only insert will set one's teeth on edge and strut.
Preferably, second mandril offers slot on the end face of ejector retainner plate, on the side wall of second mandril
Offer the counter sink for being connected to slot, the insert is equipped with the inserted block for being inserted into slot, on the inserted block
The threaded hole for being aligned with counter sink is offered, the countersunk head spiral shell for being threadedly coupled with threaded hole is equipped in the counter sink
Nail.
Through the above technical solutions, to be detachably connected between insert and the second mandril, when insert using the long period it
Afterwards, insert can be worn, at this time the replaceable insert of worker, be conducive to the formed precision for promoting this handle injection mold.
Preferably, air guide channel is offered in second mandril, one end of the air guide channel extends in insert, institute
State the multiple ventholes offered on the side wall of the second mandril for being connected to air guide channel.
Through the above technical solutions, when injection molding, the heat of product is conducted to insert, extraneous air from venthole into
Enter into air guide channel, the second mandril, during extraneous air flows in the second mandril, meeting then is discharged from venthole
The heat in insert is taken away, the heat-sinking capability of insert is increased, is conducive to the shaping efficiency for promoting this handle injection mold.
Preferably, the insert is made of beryllium-bronze.
Through the above technical solutions, when demoulding, the product surface that contact with insert can rapid cooling and formed more surely
Fixed solid-state, then the position of product stress is less prone to deformation, and surface smoothness is higher.
Preferably, it is vertically arranged with guide rod in the mounting hole, is offered on the ejector retainner plate for sliding with guide rod
The pilot hole of dynamic cooperation.
Through the above technical solutions, guide rod and pilot hole cooperate, be conducive to increase what ejector retainner plate slid in mounting hole
Stability.
Preferably, it is arranged on the guide rod for driving ejector retainner plate to the reset spring moved away from dynamic model direction.
Through the above technical solutions, reset spring bears to come when oil cylinder drives ejector retainner plate to when moving close to dynamic model direction
It is compressed from the pressure of ejector retainner plate.When the piston rod of oil cylinder resets, the elastic force of reset spring is acted on ejector retainner plate, in turn
Drive thimble sheet reset.
In conclusion the utility model having the beneficial effect that in contrast to the prior art
1, when demoulding, the bonding force between product and lower die reduces, and can prevent product from sticking to mould occur to a certain extent existing
As being conducive to the Forming Quality for promoting product；
2, to be detachably connected between insert and the second mandril, insert is replaceable, is conducive to promote this handle injection mold
Formed precision；
3, the insert made of beryllium-bronze has preferable thermal conductivity, and the product surface contacted with insert being capable of rapid cooling
And forming relatively stable solid-state, then the position of product stress is less prone to deformation, and surface smoothness is higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of handle in the prior art, the specific structure of main prominent handle；
Fig. 2 is the structural schematic diagram of handle injection mold in embodiment, the specific structure of main prominent handle injection mold；
Fig. 3 is Fig. 2 along the sectional structure chart of I-I line, mainly protrudes the internal structure of this handle injection mold；
Fig. 4 is the enlarged drawing in Fig. 3 at A, the mounting structure between main prominent insert and the second mandril；
Fig. 5 is the structural schematic diagram that handle injection mold removes dynamic model in embodiment；
Fig. 6 is the enlarged drawing in Fig. 5 at B, the specific structure of main prominent first mandril.
Appended drawing reference: 1, handle body；11, bracelet；12, lantern ring；13, set one's teeth on edge；2, cover half；3, dynamic model；4, die cavity；5, pacify
Fill hole；6, pedestal；7, ejector retainner plate；8, oil cylinder；9, the first mandril；10, the second mandril；14, insert；15, slot；16, counter sink；
17, inserted block；18, threaded hole；19, sunk screw；20, groove；21, flange；22, air guide channel；23, venthole；24, it is oriented to
Bar；25, pilot hole；26, reset spring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
As shown in Figures 2 and 3, a kind of handle injection mold, including cover half 2 and dynamic model 3 are equipped between cover half 2 and dynamic model 3 and use
In the die cavity 4 of molding handle.
Mounting hole 5 is offered on the side wall of cover half 2, the section of mounting hole 5 is rectangle.The one end of cover half 2 far from dynamic model 3 is solid
Surely it is connected with pedestal 6.Sliding is provided with ejector retainner plate 7 in mounting hole 5, and pedestal 6 is fixedly installed with oil cylinder on the end face of cover half 2
8, the piston rod of oil cylinder 8 passes through pedestal 6 and abuts with ejector retainner plate 7, and oil cylinder 8 is for driving ejector retainner plate 7 to transport to close to 3 direction of dynamic model
It is dynamic.
As shown in figure 3, being fixedly installed with the first mandril 9 and the second mandril 10 on ejector retainner plate 7.As it can be seen in figures 5 and 6, first
The quantity of mandril 9 be it is multiple, multiple first mandrils 9 are located at the bottom wall of die cavity 4 away from one end of ejector retainner plate 7, and the first mandril 9 is more
Point is uniformly distributed, and the first mandril 9 of Multipoint Uniform distribution can allow product uniform force, is less prone to the serious feelings of local pressure
Condition.Second mandril 10 passes through cover half 2 away from one end of ejector retainner plate 7 and is connected with insert 14, and insert 14 is arranged in cover half 2 and uses
In molding lantern ring 12 and set one's teeth on edge 13.
As shown in Figures 3 and 4, the second mandril 10 is cylindric, and the second mandril 10 offers slotting on the end face of ejector retainner plate 7
Slot 15, slot 15 are rectangular channel.Counter sink 16 is offered on the side wall of second mandril 10, counter sink 16 is connected to slot 15, is sunk
Head bore 16 is stepped hole, and the quantity of counter sink 16 is two, and two counter sinks 16 are symmetrically set along the central axis of the second mandril 10
It sets.
Insert 14 is towards the inserted block 17 being fixedly connected on the end face of the second mandril 10 for being inserted into slot 15, inserted block
17 be rectangular block, and the threaded hole 18 for being aligned with counter sink 16 is offered on the side wall of inserted block 17, is equipped with and uses in counter sink 16
In the sunk screw 19 being threadedly coupled with threaded hole 18, sunk screw 19 is fully located in counter sink 16.When insert 14 is mounted on
When on the second mandril 10, inserted block 17 is completely inserted into slot 15 by worker, and counter sink 16 is aligned with threaded hole 18 at this time, then
Sunk screw 19 is tightened, and then insert 14 is installed on the second mandril 10.It is detachable between insert 14 and the second mandril 10
Connection, after insert 14 is using the long period, insert 14 can be worn, at this time the replaceable insert 14 of worker, be conducive to promote this
The formed precision of handle injection mold.
Fluted 20 are opened up on the bottom wall of die cavity 4, the section of groove 20 is circle.To away from insert on the side wall of insert 14
14 directions are extended with flange 21, and flange 21 is embedded in groove 20, and flange 21 is supported away from the end face of the second mandril 10 with lantern ring 12
It connects.When demoulding, the second mandril 10 pushes insert 14 and moves to away from 2 direction of cover half, since flange 21 is away from the second mandril 10
End face is abutted with lantern ring 12, then relative movement is less prone between insert 14 and product, can prevent insert 14 to a certain extent
It will set one's teeth on edge and 13 strut.
Insert 14 is made of beryllium-bronze, the structural strength with higher of insert 14 made of beryllium-bronze, while also having both
The outstanding capacity of heat transmission.When demoulding, the product surface that is contacted with insert 14 can rapid cooling and form relatively stable solid-state,
Then the position of product stress is less prone to deformation, and surface smoothness is higher.
Length direction in second mandril 10 along the second mandril 10 offers air guide channel 22, and the section of air guide channel 22 is
Circle, air guide channel 22 are located at the center of the second mandril 10, and 22 one end of air guide channel is located in the second mandril 10, and the other end prolongs
It extends in insert 14.Offer multiple ventholes 23 on the side wall of second mandril 10, multiple ventholes 23 with air guide channel 22
Connection, venthole 23 are round hole.When injection molding, the heat of product is conducted to insert 14, and extraneous air is from venthole 23
It enters in air guide channel 22, the second mandril 10 then is discharged from venthole 23, extraneous air flows in the second mandril 10
During, the heat in insert 14 can be taken away, the heat-sinking capability of insert 14 is increased, is conducive to promote this handle injection mold
Shaping efficiency.
Be equipped with guide rod 24 in mounting hole 5, guide rod 24 be it is cylindric, 24 one end of guide rod is fixedly connected on pedestal 6,
The other end is fixedly connected on cover half 2.The pilot hole 25 for being slidably matched with guide rod 24 is offered on ejector retainner plate 7, is oriented to
Bar 24 and pilot hole 25 cooperate, and are conducive to increase the stability that ejector retainner plate 7 slides in mounting hole 5.It is arranged on guide rod 24
Reset spring 26, reset spring 26 is between cover half 2 and ejector retainner plate 7, and reset spring 26 is for driving ejector retainner plate 7 to far from dynamic
The movement of 3 direction of mould.When oil cylinder 8 drives ejector retainner plate 7 to when moving close to 3 direction of dynamic model, reset spring 26 bears to come from ejector retainner plate 7
Pressure and compressed.When the piston rod of oil cylinder 8 resets, the elastic force of reset spring 26 is acted on ejector retainner plate 7, and then is driven
Ejector retainner plate 7 resets.
When injection molding, after cover half 2 and dynamic model 3 are opened, the piston rod of oil cylinder 8 extends, and then drives ejector retainner plate 7 to leaning on
Nearly 3 direction of dynamic model movement, then ejector retainner plate 7 pushes the first mandril 9 and the second mandril 10 to move to close to 3 direction of dynamic model, with this
The thrust of the first mandril 9 is applied on product simultaneously, the thrust of the second mandril 10 is applied on product by insert 14, the first top
Bar 9 cooperates with the second mandril 10 to eject product, then product is removed to the demoulding that product can be realized from insert 14.
The piston rod of oil cylinder 8 resets later, and the elastic force of reset spring 26 acts on ejector retainner plate 7, and then drives ejector retainner plate 7
It resets, then cover half 2 and dynamic model 3 are close to each other, until cover half 2 is bonded with dynamic model 3, the injection molding that can then start a new round adds
Work.
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 handle injection mold, including cover half (2) and dynamic model (3) are equipped between the cover half (2) and dynamic model (3) and are used for
The die cavity (4) of handle is formed, it is characterized in that: the cover half (2) is equipped with pedestal (6) far from the one end of dynamic model (3), the cover half
(2) it is offered on mounting hole (5), sliding is provided with ejector retainner plate (7) in the mounting hole (5), and the pedestal (6) is equipped with and is used for
The oil cylinder (8) close to dynamic model (3) movement is made in driving ejector retainner plate (7), and the ejector retainner plate (7) is equipped with the first mandril (9) and second
Mandril (10), first mandril (9) are located at the bottom wall of die cavity (4), second mandril (10) away from the one end of ejector retainner plate (7)
Pass through and cover half (2) and be connected with insert (14) away from one end of ejector retainner plate (7), insert (14) setting in cover half (2) and
For forming lantern ring (12) and setting one's teeth on edge (13).
2. handle injection mold according to claim 1, it is characterized in that: opening up fluted (20), institute on the cover half (2)
It states and is extended with flange (21) on the side wall of insert (14) to away from insert (14) direction, the flange (21) is embedded in groove (20)
Interior, the flange (21) abuts away from the end face of the second mandril (10) with lantern ring (12).
3. handle injection mold according to claim 1, it is characterized in that: second mandril (10) deviates from ejector retainner plate (7)
End face on offer slot (15), the countersunk head for being connected to slot (15) is offered on the side wall of second mandril (10)
Hole (16), the insert (14) are equipped with the inserted block (17) for being inserted into slot (15), offer on the inserted block (17)
Threaded hole (18) for being aligned with counter sink (16), the counter sink (16) is interior to be equipped with for being threadedly coupled with threaded hole (18)
Sunk screw (19).
4. handle injection mold according to claim 3, it is characterized in that: it is logical to offer air guide in second mandril (10)
Road (22), one end of the air guide channel (22) extend in insert (14), offer on the side wall of second mandril (10)
Multiple ventholes (23) for being connected to air guide channel (22).
5. handle injection mold according to claim 4, it is characterized in that: the insert (14) is made of beryllium-bronze.
6. handle injection mold according to claim 1, it is characterized in that: being vertically arranged with guiding in the mounting hole (5)
Bar (24) offers the pilot hole (25) for being slidably matched with guide rod (24) on the ejector retainner plate (7).
7. handle injection mold according to claim 6, it is characterized in that: being arranged on the guide rod (24) for driving
Ejector retainner plate (7) is to the reset spring (26) moved away from dynamic model (3) direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432334.XU CN208290397U (en) | 2018-03-28 | 2018-03-28 | Handle injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820432334.XU CN208290397U (en) | 2018-03-28 | 2018-03-28 | Handle injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208290397U true CN208290397U (en) | 2018-12-28 |
Family
ID=64695664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820432334.XU Expired - Fee Related CN208290397U (en) | 2018-03-28 | 2018-03-28 | Handle injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208290397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509502A (en) * | 2019-09-03 | 2019-11-29 | 台州市黄岩优泰塑料模具厂 | Mold sliding equipment, molding die and application method for moulding plastics handle |
-
2018
- 2018-03-28 CN CN201820432334.XU patent/CN208290397U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509502A (en) * | 2019-09-03 | 2019-11-29 | 台州市黄岩优泰塑料模具厂 | Mold sliding equipment, molding die and application method for moulding plastics handle |
| CN110509502B (en) * | 2019-09-03 | 2024-03-19 | 台州市黄岩优泰塑料模具厂 | Mold sliding mechanism for molding plastic handle, molding mold and use method |
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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: 20181228 Termination date: 20200328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |