CN207841943U - A kind of injection mold with material injecting mechanism - Google Patents
A kind of injection mold with material injecting mechanism Download PDFInfo
- Publication number
- CN207841943U CN207841943U CN201820165047.7U CN201820165047U CN207841943U CN 207841943 U CN207841943 U CN 207841943U CN 201820165047 U CN201820165047 U CN 201820165047U CN 207841943 U CN207841943 U CN 207841943U
- Authority
- CN
- China
- Prior art keywords
- injection
- material feeding
- injecting mechanism
- lower die
- screw rod
- 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 78
- 239000007924 injection Substances 0.000 title claims abstract description 78
- 239000000463 material Substances 0.000 title claims abstract description 76
- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 229920003023 plastic Polymers 0.000 claims abstract description 22
- 239000004033 plastic Substances 0.000 claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 17
- 230000008018 melting Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 238000007711 solidification Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000035611 feeding Effects 0.000 description 34
- 238000001746 injection moulding Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model is related to a kind of injection molds with material injecting mechanism, including upper die and lower die, the surface of lower die is equipped with die cavity, injection channel is equipped in lower die, the side of lower die is equipped with the injection hole being connect with injection channel, injection channel is connected to by multiple branch's material feeding passages with the bottom of die cavity, multiple branch's material feeding passages are uniformly arranged in the bottom of die cavity, injection hole connects material injecting mechanism, hot melting plastic is injected by injection hole in injection channel and is entered in die cavity from each branch's material feeding passage by material injecting mechanism, hot melting plastic injection in die cavity is uniform, material feeding speed is fast, the problem of will not causing accumulation because of the solidification of part holt melt plastics.
Description
Technical field
The utility model is related to injection molding art, especially a kind of injection mold with material injecting mechanism.
Background technology
Injection mold is a kind of tool producing plasthetics；Also plasthetics complete structure and accurate dimension are to confer to
Tool.Injection molding is to produce a kind of processing method used when certain complex-shaped components in batches.It refers specifically to melt heated
Plastics by injection molding machine high pressure inject die cavity obtain formed products, present injection mold is when carrying out material feeding after cooling and solidifying
It is mainly completed by injection molding machine, injection molding machine generally uses screw rod material feeding or hydraulic pressure material feeding, meeting during practical material feeding
It was found that the problem of some hot melting plastics for being easy solidification there is partial coagulation before being injected into mold, leads to the finished product of injection molding
Quality is bad, and present injection molding machine can not restrain this problem, and the die cavity of present injection mold in material feeding generally all
It is to use single injection hole progress material feeding, there are the non-uniform problem of material feeding in die cavity, the subregion being easy to cause in die cavity goes out
Existing hot melting plastic solidification is to occur that product local location thickness is excessive and problem that local location thickness is small.
Invention content
Purpose of the utility model is to solve defects of the existing technology, provide a kind of injection molding with material injecting mechanism
Mold.
To achieve the goals above, the technical solution adopted in the utility model is：
The surface of a kind of injection mold with material injecting mechanism, including upper die and lower die, lower die is equipped with die cavity, is equipped in lower die
Injection channel, the side of lower die are equipped with injection hole connect with injection channel, injection channel by multiple branch's material feeding passages and
The bottom of die cavity is connected to, and the injection hole connects material injecting mechanism；
Material injecting mechanism includes material feeding case, and screw rod is equipped in material feeding case, and the inner wall of material feeding case is equipped with helical tooth, screw surface
Screw thread and spiral tooth engagement, the inner cavity of material feeding case is injection pot, and material feeding case is equipped with the hot melting plastic being connected to injection pot
Supply bucket, the end of material feeding case are equipped with the sprue being connected to injection pot, and sprue connects baffle-box, and the side of baffle-box is equipped with
The injection hole of discharge port, discharge port and lower die connects, and inlays heating wire on the inner wall of baffle-box.
A kind of above-mentioned injection mold with material injecting mechanism, the head of the screw rod are in frustoconical, at the head of screw rod
It is arranged sealing shroud, the circumferential surface of sealing shroud and the cavity wall of injection pot are in close contact.
The tail portion of a kind of above-mentioned injection mold with material injecting mechanism, the screw rod connects driving mechanism, driving mechanism packet
The reduction box being connect with screw rod tail is included, reduction box connects driving motor.
A kind of above-mentioned injection mold with material injecting mechanism, the helical tooth occupies three in the cavity wall of injection pot/
Two, the tail portion for being located proximate to screw rod of helical tooth arrangement.
The top of a kind of above-mentioned injection mold with material injecting mechanism, the upper mold connects lifting cylinder, the bottom of lower die
Mounting bracket.
A kind of above-mentioned injection mold with material injecting mechanism, multiple branch's material feeding passages are uniformly arranged in the bottom of die cavity.
The beneficial effects of the utility model are：The surface of the lower die of the injection mold is equipped with die cavity, and injection molding is equipped in lower die
Channel, the side of lower die are equipped with the injection hole being connect with injection channel, and injection channel passes through multiple branch's material feeding passages and die cavity
Bottom connection, multiple branch's material feeding passages uniformly arrange in the bottom of die cavity, and injection hole connects material injecting mechanism, and material injecting mechanism will
Hot melting plastic is injected into injection channel by injection hole and is entered in die cavity from each branch's material feeding passage, the heat in die cavity
Molten plastics injection is uniform, and material feeding speed is fast, the problem of will not causing to accumulate because of the solidification of part holt melt plastics.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Specific implementation mode
As shown in Figure 1, a kind of injection mold with material injecting mechanism, including die assembly 1, die assembly 1 include upper mold 11
It is equipped with die cavity 13 with the surface of lower die 12, lower die 12, injection channel 14 is equipped in lower die 12, the side of lower die 12 is equipped with and injection molding
The injection hole 15 that channel 14 connects, injection channel are led to 14 excessively multiple branch's material feeding passages 16 and are connected to the bottom of die cavity 13, be molded
Mouth 15 connects material injecting mechanisms 2；
Wherein, the top of upper mold 11 connects lifting cylinder 17, the bottom mounting bracket 18 of lower die 12, and multiple branch's material feedings are led to
Road 16 is uniformly arranged in the bottom of die cavity 13, and the top side of die cavity 13 is equipped with exhaust outlet 19.
Material injecting mechanism 2 includes material feeding case 21, and screw rod 22 is equipped in material feeding case 21, and the inner wall of material feeding case 21 is equipped with helical tooth
23, the screw thread on 22 surface of screw rod is engaged with helical tooth 23, and the inner cavity of material feeding case 21 is injection pot 24, material feeding case 21 be equipped with
The hot melting plastic supply bucket 25 that injection pot 24 is connected to, the end of material feeding case 1 is equipped with the sprue 26 being connected to injection pot 24, material feeding
Mouth 26 connects baffle-boxs 27, and the inner cavity of baffle-box 27 is cushion chamber 28, and the side of baffle-box 27 is equipped with discharge port 29, discharge port 29
It is connect with the injection hole 15 of injection mold.Heating wire 213 is inlayed on the inner wall of baffle-box 27.
In the utility model, the head of screw rod 22 is in frustoconical, and sealing shroud 210, sealing shroud are arranged at the head of screw rod 2
The cavity wall of 210 circumferential surface and injection pot 24 is in close contact, and the tail portion of screw rod 22 connects driving mechanism, and driving mechanism includes and screw rod
The reduction box 211 of 22 tail portions connection, reduction box 211 connect driving motor 212, wherein cavity wall of the helical tooth 23 in injection pot 24
On occupy 2/3rds, the tail portion for being located proximate to screw rod 22 that helical tooth 23 is arranged, reduction box 211 is three-level reduction box.
When material feeding, hot melting plastic is imported into injection pot 24 by hot melting plastic supply bucket 25, and screw rod 22 is in material feeding case 21
It rotates and is moved towards sprue 26 and the hot melting plastic in injection pot 24 is squeezed into baffle-box 27 to compress injection pot 24, into
Entering to the hot melting plastic in baffle-box 27 further to be preheated by heating wire 213 effectively prevent hot melting plastic to solidify, hot melting plastic energy
It is smoothly directed in injection mold, ensure that the performance of hot melting plastic is stablized, improve injection molding quality.
Further, injection channel 14 is equipped in lower die 12, the side of lower die 12 is equipped with the injection molding being connect with injection channel 14
Mouth 15, injection channel are led to 14 excessively multiple branch's material feeding passages 16 and are connected to the bottom of die cavity 13, and multiple branch's material feeding passages 16 exist
The bottom of die cavity 13 is uniformly arranged, and hot melting plastic is injected by injection hole 15 in injection channel 14 and from each by material injecting mechanism 2
A branch's material feeding passage 16 enters in die cavity 13, and the injection of hot melting plastic in die cavity 13 is uniform, and material feeding speed is fast, will not be because of
The problem of part holt melt plastics solidify and cause accumulation.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model the utility model also have respectively
Kind changes and improvements, these changes and improvements are both fallen in claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (6)
1. a kind of injection mold with material injecting mechanism, including upper die and lower die, which is characterized in that the surface of lower die is equipped with die cavity,
Injection channel is equipped in lower die, the side of lower die is equipped with the injection hole being connect with injection channel, and injection channel passes through multiple branches
Material feeding passage is connected to the bottom of die cavity, and the injection hole connects material injecting mechanism；
Material injecting mechanism includes material feeding case, and screw rod is equipped in material feeding case, and the inner wall of material feeding case is equipped with helical tooth, the spiral shell of screw surface
The inner cavity of line and spiral tooth engagement, material feeding case is injection pot, and material feeding case is equipped with the hot melting plastic supply bucket being connected to injection pot,
The end of material feeding case is equipped with the sprue being connected to injection pot, and sprue connects baffle-box, and the side of baffle-box is equipped with discharge port,
Discharge port and the injection hole of lower die connect, and inlay heating wire on the inner wall of baffle-box.
2. a kind of injection mold with material injecting mechanism according to claim 1, which is characterized in that the head of the screw rod is in
Frustoconical, sealing shroud is arranged at the head of screw rod, and the circumferential surface of sealing shroud and the cavity wall of injection pot are in close contact.
3. a kind of injection mold with material injecting mechanism according to claim 1, which is characterized in that the tail portion of the screw rod connects
Driving mechanism is connect, driving mechanism includes the reduction box being connect with screw rod tail, and reduction box connects driving motor.
4. a kind of injection mold with material injecting mechanism according to claim 1, which is characterized in that the helical tooth is in material feeding
2/3rds are occupied in the cavity wall of chamber, the tail portion for being located proximate to screw rod of helical tooth arrangement.
5. a kind of injection mold with material injecting mechanism according to claim 1, which is characterized in that connect at the top of the upper mold
Connect lifting cylinder, the bottom mounting bracket of lower die.
6. a kind of injection mold with material injecting mechanism according to claim 1, which is characterized in that multiple branch's material feeding passages
It uniformly arranges in the bottom of die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820165047.7U CN207841943U (en) | 2018-01-31 | 2018-01-31 | A kind of injection mold with material injecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820165047.7U CN207841943U (en) | 2018-01-31 | 2018-01-31 | A kind of injection mold with material injecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207841943U true CN207841943U (en) | 2018-09-11 |
Family
ID=63414081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820165047.7U Expired - Fee Related CN207841943U (en) | 2018-01-31 | 2018-01-31 | A kind of injection mold with material injecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207841943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848087A (en) * | 2021-01-05 | 2021-05-28 | 邓韶平 | Quantitative pressure stabilizing device for feeding of injection mold |
-
2018
- 2018-01-31 CN CN201820165047.7U patent/CN207841943U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848087A (en) * | 2021-01-05 | 2021-05-28 | 邓韶平 | Quantitative pressure stabilizing device for feeding of injection mold |
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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: 20180911 Termination date: 20200131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |