CN207841940U - A kind of uniform injection mold of material feeding - Google Patents
A kind of uniform injection mold of material feeding Download PDFInfo
- Publication number
- CN207841940U CN207841940U CN201820164384.4U CN201820164384U CN207841940U CN 207841940 U CN207841940 U CN 207841940U CN 201820164384 U CN201820164384 U CN 201820164384U CN 207841940 U CN207841940 U CN 207841940U
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- CN
- China
- Prior art keywords
- supporting sleeve
- injection
- material feeding
- lower die
- injection mold
- 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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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model is related to a kind of uniform injection molds of material feeding, including upper die and lower die, the middle part of lower die is equipped with injection mold cavity, the four corners of lower die are equipped with installation passage, supporting sleeve is equipped in installation passage, the both ends of supporting sleeve are equipped with location hole corresponding with supporting sleeve end with opening, the four corners of the upper mold；It is equipped between the upper die and lower die and thickeies supporting sleeve, the four corners for thickening supporting sleeve are equipped with through-hole, supporting sleeve end passes through the through-hole for thickening supporting sleeve and extend into the location hole of upper mold bottom, the bottom of the lower die is equipped with holder, cylinder is fixed on holder, the cylinder rod of cylinder passes through the supporting sleeve and extend into the location hole of upper mold, thicken the surface that the cavity in the middle part of supporting sleeve is located at injection mold cavity, to increase the height of injection mold cavity, the size of injection mold cavity can suitably be changed, operation flexibility ratio is high.
Description
Technical field
The utility model is related to mould applications, especially a kind of uniform injection mold of material feeding.Background technology
Injection mold is a kind of tool producing plasthetics, is also to confer to plasthetics complete structure and accurate dimension
Tool, injection molding are 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 after cooling and solidifying, the die cavity in present injection mold at
It just determines that the shape of injecting products and specific size, the thickness of injecting products can not change after type, is primarily due to mould
The depth of chamber can not be adjusted, in practical injection molding process, present injection mold can not process simultaneously internal cavity it is consistent but
Height or the different injecting products of thickness；
Present injection mold is mainly completed by injection molding machine when carrying out material feeding, and injection molding machine generally uses screw rod material feeding
Or hydraulic pressure material feeding, it can find some easy hot melting plastics solidified before being injected into mold just during practical material feeding
There are problems that partial coagulation, causes the final product quality of injection molding bad, present injection molding machine can not restrain this problem, Er Qiexian
Injection mold die cavity in material feeding when be typically all that material feeding is carried out using single injection hole, it is non-uniform that there are material feedings in die cavity
There is hot melting plastic solidification to occur that product local location thickness is excessive and office in problem, the subregion being easy to cause in die cavity
The small problem of portion position thickness.
Invention content
Purpose of the utility model is to solve defects of the existing technology, provide a kind of uniform injection mould of material feeding
Tool.
To achieve the goals above, the technical solution adopted in the utility model is：
A kind of uniform injection mold of material feeding, including upper die and lower die, the middle part of lower die are equipped with injection mold cavity, and the four of lower die
It is equipped with installation passage at angle, supporting sleeve is equipped in installation passage, the both ends of supporting sleeve are with opening, the quadrangle of the upper mold
Place is equipped with location hole corresponding with supporting sleeve end；
It is equipped between the upper die and lower die and thickeies supporting sleeve, the four corners for thickening supporting sleeve are equipped with through-hole, the support
Cannula tip passes through the through-hole for thickening supporting sleeve and extend into the location hole of upper mold bottom, and the bottom of the lower die is equipped with branch
Frame, cylinder is fixed on holder, and the cylinder rod of cylinder passes through the supporting sleeve and extend into the location hole of upper mold；
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 branch's material feeding passages are connected to the bottom of injection mold 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, 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 uniform injection mold of material feeding, it is logical that the upper mold is equipped with the exhaust being connected to the injection mold cavity
Road, the top of upper mold are equipped with the sealing cover for being covered in exhaust passage port, and the side of sealing cover is flexibly connected with upper mold.
A kind of above-mentioned uniform injection mold of material feeding, the middle part for thickening supporting sleeve are equipped with corresponding with injection mold cavity
Cavity.
The head of a kind of above-mentioned uniform injection mold of material feeding, the screw rod is in frustoconical, is covered at the head of screw rod
If 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 uniform injection mold of material feeding, the screw rod connects driving mechanism, and driving mechanism includes
The reduction box being connect with screw rod tail, reduction box connect driving motor.
The beneficial effects of the utility model are：The four corners of the lower die of the injection mold are equipped with installation passage, and installation is logical
Supporting sleeve is equipped in road, the both ends of supporting sleeve are with opening, and the four corners of upper mold are equipped with corresponding with supporting sleeve end
Location hole；It is equipped between upper die and lower die and thickeies supporting sleeve, the four corners for thickening supporting sleeve are equipped with through-hole, and supporting sleeve end is worn
It crosses the through-hole for thickening supporting sleeve and extend into the location hole of upper mold bottom, the middle part for thickening supporting sleeve is equipped with and injection mold cavity pair
The cavity answered, supporting sleeve mainly play the role of positioning upper mold and thicken supporting sleeve, thicken supporting sleeve and be set in supporting sleeve
After on pipe, the surface that the cavity in the middle part of supporting sleeve is located at injection mold cavity is thickeied, to increase the height of injection mold cavity,
Injecting products internal cavity is constant and needs in the case of increasing height or thickness, and thickening support can be arranged on supporting sleeve
Set, certainly, thickening supporting sleeve can take small from supporting sleeve at any time, which, can be with according to the actual demands of injecting products
The appropriate size for changing injection mold cavity, operation flexibility ratio are high；
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 branch's material feeding passages are connected to the bottom of injection mold cavity, and multiple branch's material feeding passages are uniformly arranged in the bottom of injection mold cavity
Cloth, injection hole connect material injecting mechanism, and hot melting plastic is injected by injection hole in injection channel and from each point by material injecting mechanism
Branch material feeding passage enters in injection mold cavity, and the hot melting plastic injection in injection mold cavity is uniform, and material feeding speed is fast, will not be because of portion
The solidification of point hot melting plastic and the problem of cause accumulation.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model；
Fig. 2 is the schematic diagram of the utility model upper mold；
Fig. 3 is the schematic diagram of the utility model lower die；
Fig. 4 is the schematic diagram that the utility model thickeies supporting sleeve.
Specific implementation mode
As shown in Figures 1 to 4, the uniform injection mold of a kind of material feeding, including die assembly 1, die assembly 1 include upper mold
11 and lower die 12, the middle part of lower die 12 is equipped with injection mold cavity 13, and the four corners of lower die 12 are equipped with installation passage, are set in installation passage
There is supporting sleeve 14, the both ends of supporting sleeve 14 are with opening, and the four corners of upper mold 11 are equipped with corresponding with 14 end of supporting sleeve
Location hole 15；
It is equipped between upper mold 11 and lower die 12 and thickeies supporting sleeve 16, the four corners for thickening supporting sleeve 16 are equipped with through-hole 17, branch
14 end of support set pipe passes through the through-hole 17 for thickening supporting sleeve 16 and extend into the location hole 15 of 11 bottom of upper mold, the bottom of lower die 12
Portion is equipped with holder 18, and cylinder 19 is fixed on holder 18, and the cylinder rod 110 of cylinder 19 passes through supporting sleeve 14 and extend into upper mold
In 11 location hole 15.
Further, upper mold 11 is equipped with the exhaust passage 111 being connected to injection mold cavity 13, and the top of upper mold 11 is equipped with covering
The side of sealing cover 112 in 111 port of exhaust passage, sealing cover 112 is flexibly connected with upper mold 11,111 convenience of exhaust passage
Injection mold cavity 13 is vented, and sealing cover 112 plays dust-proof effect.
The middle part for thickening supporting sleeve 16 is equipped with cavity corresponding with injection mold cavity 13 113.19 quantity of cylinder is four, respectively
Four corners positioned at 12 bottom of lower die.
The four corners of the lower die 12 of the injection mold are equipped with installation passage, and supporting sleeve 14, support are equipped in installation passage
The both ends of casing 14 are equipped with location hole corresponding with 14 end of supporting sleeve 15 with opening, the four corners of upper mold 11；Upper mold 11
It is equipped between lower die 12 and thickeies supporting sleeve 16, the four corners for thickening supporting sleeve 16 are equipped with through-hole 17, and 14 end of supporting sleeve is worn
Cross thicken supporting sleeve 16 through-hole 17 and extend into the location hole 15 of 11 bottom of upper mold, thicken supporting sleeve 16 middle part be equipped with
13 corresponding cavity 113 of injection mold cavity, supporting sleeve 14 mainly play the role of positioning upper mold 11 and thicken supporting sleeve 16, add
After thick supporting sleeve 16 is set on supporting sleeve 14, the cavity 113 for thickening 16 middle part of supporting sleeve is being located at injection mold cavity 13 just
Top, it is in injecting products internal cavity constant and need to increase height or thickness to increase the height of injection mold cavity 13
In the case of, it can be arranged on supporting sleeve 14 and thicken supporting sleeve 16, certainly, thickening supporting sleeve 16 at any time can be from supporting sleeve 4
On remove, which can suitably change the size of injection mold cavity according to the actual demands of injecting products, and operation flexibility ratio is high.
Further, injection channel 114 is equipped in lower die 12, the side of lower die 12 is equipped with the note being connect with injection channel 114
Mouth 115 is moulded, injection channel 114 is connected to by multiple branch's material feeding passages 116 with the bottom of injection mold cavity 13, and injection hole 115 connects
Connect material injecting mechanism 2.
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.
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 (5)
1. a kind of uniform injection mold of material feeding, including upper die and lower die, which is characterized in that the middle part of lower die is equipped with injection mould
The four corners of chamber, lower die are equipped with installation passage, supporting sleeve are equipped in installation passage, the both ends of supporting sleeve are with opening, institute
The four corners for stating upper mold are equipped with location hole corresponding with supporting sleeve end；
It is equipped between the upper die and lower die and thickeies supporting sleeve, the four corners for thickening supporting sleeve are equipped with through-hole, the supporting sleeve
End passes through the through-hole for thickening supporting sleeve and extend into the location hole of upper mold bottom, and the bottom of the lower die is equipped with holder, branch
Cylinder is fixed on frame, the cylinder rod of cylinder passes through the supporting sleeve and extend into the location hole of upper mold；
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
Branch's material feeding passage is connected to the bottom of injection mold 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. the uniform injection mold of a kind of material feeding according to claim 1, which is characterized in that the upper mold is equipped with and institute
State the exhaust passage of injection mold cavity connection, the top of upper mold is equipped with the sealing cover for being covered in exhaust passage port, and the one of sealing cover
Side is flexibly connected with upper mold.
3. the uniform injection mold of a kind of material feeding according to claim 1, which is characterized in that in the thickening supporting sleeve
Portion is equipped with cavity corresponding with injection mold cavity.
4. the uniform injection mold of a kind of material feeding according to claim 1, which is characterized in that the head of the screw rod is in cut
Nose cone shape, 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.
5. the uniform injection mold of a kind of material feeding according to claim 1, which is characterized in that the tail portion of the screw rod connects
Driving mechanism, driving mechanism include the reduction box being connect with screw rod tail, and reduction box connects driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820164384.4U CN207841940U (en) | 2018-01-31 | 2018-01-31 | A kind of uniform injection mold of material feeding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820164384.4U CN207841940U (en) | 2018-01-31 | 2018-01-31 | A kind of uniform injection mold of material feeding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207841940U true CN207841940U (en) | 2018-09-11 |
Family
ID=63414036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820164384.4U Expired - Fee Related CN207841940U (en) | 2018-01-31 | 2018-01-31 | A kind of uniform injection mold of material feeding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207841940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591259A (en) * | 2018-12-22 | 2019-04-09 | 苏州骏创模具工业有限公司 | A kind of automotive upholstery injection mold |
| CN110861261A (en) * | 2019-11-29 | 2020-03-06 | 林渊博 | Double-color injection molding mechanism |
-
2018
- 2018-01-31 CN CN201820164384.4U patent/CN207841940U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109591259A (en) * | 2018-12-22 | 2019-04-09 | 苏州骏创模具工业有限公司 | A kind of automotive upholstery injection mold |
| CN110861261A (en) * | 2019-11-29 | 2020-03-06 | 林渊博 | Double-color injection molding mechanism |
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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: 20180911 Termination date: 20200131 |