CN209504767U - A kind of injection mold with uniform molding structure - Google Patents
A kind of injection mold with uniform molding structure Download PDFInfo
- Publication number
- CN209504767U CN209504767U CN201920119730.1U CN201920119730U CN209504767U CN 209504767 U CN209504767 U CN 209504767U CN 201920119730 U CN201920119730 U CN 201920119730U CN 209504767 U CN209504767 U CN 209504767U
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- China
- Prior art keywords
- injection
- heating
- heating structure
- cooling water
- water tank
- 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 47
- 239000007924 injection Substances 0.000 title claims abstract description 47
- 238000000465 moulding Methods 0.000 title claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 60
- 238000001746 injection moulding Methods 0.000 claims abstract description 27
- 239000000498 cooling water Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 31
- 229920003023 plastic Polymers 0.000 abstract description 31
- 239000004568 cement Substances 0.000 abstract description 27
- 238000010137 moulding (plastic) Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model system provides a kind of injection mold with uniform molding structure, including upper die and lower die, upper impression there are two being set in upper mold, an injection channel is additionally provided in upper mold, lower impressions there are two being set in lower die, a diversion channel is connected between two lower impressions, diversion channel matching is set under injection channel;First heating structure is equipped with outside the bottom of each lower impressions, first heating structure is set in lower die, first heating structure covers the bottom surface of lower impressions and the bottom of side, cooling water tank is additionally provided in lower die, cooling water tank is located at the lower section of two the first heating structures, and the both ends of cooling water tank are connected separately with water inlet pipe and outlet pipe.The utility model can effectively avoid melt plastic cement from solidifying before mould filling completion, can effectively ensure the mobility of all plastic cement entirety, and after completion of the injection-moulding, can on active balance lower impressions temperature, the uniformity coefficient of plastic molding can be improved.
Description
Technical field
The utility model relates to injection molds, specifically disclose a kind of injection mold with uniform molding structure.
Background technique
Injection mold is a kind of tool for producing plasthetics, is also to confer to plasthetics complete structure and accurate-size
Tool refers specifically to the plastics of heated thawing obtaining molded product after cooling and solidifying by injection molding machine high pressure injection die cavity.Injection molding
Mold is mainly used in industrial circle, and product is usually using rubber injection mold and plastic injection.Plastic cement when injection molding, in injection die cavities
It is cooled to certain mechanical rigid, injection molding part is just avoided that after demoulding, and deformation occurs due to by external force.
When injection molding, injection molding machine injects the plastics of melting into injection die cavities, completes to wait the material in injection die cavities after being molded
Material cooling can obtain injection molding part.In the industrial production, the shape of each injection molding part is different, and has different
Complexity, melt plastic cement flow in injection die cavities and are filled into each position, since flowing filling needs the regular hour,
In the filling process, the plastic cement being introduced into can first cool down solidification, be easy the mobility of the plastic cement entered after influencing, lead to injection molding
The filling effect of intracavitary plastic cement is bad, the final quality for influencing injection molding part.
Utility model content
Based on this, it is necessary to it is directed to prior art problem, a kind of injection mold with uniform molding structure is provided, it can
It effectively avoids melt plastic cement from solidifying before mould filling completion, can effectively ensure the mobility of plastic cement, be molded into improve
The quality of type part.
To solve prior art problem, the utility model discloses a kind of injection mold with uniform molding structure, including
Upper die and lower die are set in upper mold there are two upper impression, are additionally provided with an injection channel in upper mold, set that there are two mo(u)ld bottom halves in lower die
Chamber, a diversion channel is connected between two lower impressions, and diversion channel matching is set under injection channel;
First heating structure is equipped with outside the bottom of each lower impressions, the first heating structure is set in lower die, and first
Heating structure covers the bottom surface of lower impressions and the bottom of side, is additionally provided with cooling water tank in lower die, and cooling water tank is located at two the
The both ends of the lower section of one heating structure, cooling water tank are connected separately with water inlet pipe and outlet pipe.
Further, diversion channel is coated with the second heating structure.
Further, wavy bulge portion is equipped at the center of cooling water tank, wavy bulge portion is located at the second heating knot
The underface of structure.
Further, injection channel is wrapped with third heating structure.
Further, the first heating structure, the second heating structure and third heating structure are Electric radiant Heating Film.
Further, thermometer is equipped between the first heating structure and cooling water tank.
Further, the bottom of upper mold is equipped with guide groove, and the top of lower die is equipped with guide post, and guide post is matched with guide groove.
The utility model has the following beneficial effects: the utility model discloses a kind of injection mold with uniform molding structure,
Great targetedly insulation construction is set, it can be to the melt plastic cement progress heating and thermal insulation for being introduced into and reaching lower impressions bottom, energy
It is enough that melt plastic cement is effectively avoided to solidify before mould filling completion, it can effectively ensure the mobility of all plastic cement entirety, it is ensured that
The shape of injection molding part meets the requirements, and after completion of the injection-moulding, can on active balance lower impressions temperature, can be improved
The uniformity coefficient of plastic molding, to improve the quality of injection molding part.
Detailed description of the invention
Fig. 1 is structural schematic diagram when the utility model is opened de- material.
Structural schematic diagram when Fig. 2 is the utility model mold-closing injection.
Appended drawing reference are as follows: upper mold 10, upper impression 11, injection channel 12, third heating structure 13, guide groove 14, lower die 20, under
Type chamber 21, diversion channel 22, the first heating structure 23, cooling water tank 24, water inlet pipe 241, outlet pipe 242, wavy bulge portion
243, the second heating structure 25, thermometer 26, guide post 27.
Specific embodiment
For the feature, technological means and specific purposes achieved, function that can further appreciate that the utility model, below
The utility model is described in further detail in conjunction with attached drawing and specific embodiment.
With reference to Fig. 1, Fig. 2.
The utility model embodiment discloses a kind of injection mold with uniform molding structure, including upper mold 10 and lower die
20, it sets in upper mold 10 there are two upper impression 11, is additionally provided with an injection channel 12 in upper mold 10, set that there are two mo(u)ld bottom halves in lower die 20
Chamber 21, upper impression 11 and lower impressions 21 match, and a diversion channel 22 is connected between two lower impressions 21, and the matching of diversion channel 22 is set
Under injection channel 12, when molding, the opening at 22 top of bottom surface covering diversion channel of upper mold 10, injection channel 12 and diversion channel 22
Connection;
First heating structure 23 is equipped with outside the bottom of each lower impressions 21, the first heating structure 23 is set to lower die 20
Interior, the first heating structure 23 covers the bottom surface of lower impressions 21 and the bottom of side, i.e., under the disc-shaped package of the first heating structure 23
The bottom of type chamber 21, the section of the first heating structure 23 are in concave shape, are additionally provided with cooling water tank 24, cooling water tank 24 in lower die 20
Positioned at the lower section of two the first heating structures 23, the upright projection of two lower impressions 21 in the horizontal plane is comprised in temperature lowering water
In the upright projection of slot 24 in the horizontal plane, it is ensured that cooling water tank 24 imitates the cooling of the first heating structure 23 and lower impressions 21
Fruit, the both ends of cooling water tank 24 are connected separately with water inlet pipe 241 and outlet pipe 242.
After molding, injection die cavities are formed between upper impression 11 and lower impressions 21, injection molding machine is injected to injection channel 12 to be melted
Plastic cement, melt plastic cement are flowed into two injection die cavities by diversion channel, and the first heating structure 23 carries out the bottom of lower impressions 21
Heating, can be avoided in injection moulding process, lead to the obviously cooling solidification in advance of the plastic cement of bottom since front and back injection time is longer,
Plastic cement is avoided to lose good mobility before injection molding is completed, it can be ensured that each structure in injection die cavities can fill
To sufficient plastic cement, the plastic uniform of injection molding part everywhere can be improved, so that it is guaranteed that the yield rate of injection molding part;Injection molding
After the completion, the first heating structure 23 stops heating, and water inlet pipe 241 connects cooling water supply unit, 242 water receiving of outlet pipe recycling dress
It sets, cooling water effectively cools down to lower impressions 21 and the first heating structure 23 from water inlet pipe 241 into cooling water tank 24,
It can effectively avoid the residual temperature of the first heating structure 23 from persistently heating to the plastic cement of 21 bottom of lower impressions, avoid lower impressions 21
The rate that middle plastic cement is cooled and shaped is significantly lower than the rate that plastic cement in upper impression 11 is cooled and shaped, so that it is guaranteed that injection die cavities are whole
Rate of temperature fall it is close, it is ensured that can finally obtain uniform injection molding part in final injection die cavities;After die sinking, directly pass through
Waste material column in injection channel 12 proposes two injection molding parts, without carrying out complicated ejection movement.
Great targetedly insulation construction is arranged in the utility model, can mould to being introduced into and reaching the melting of lower impressions bottom
Glue carries out heating and thermal insulation, can effectively avoid melt plastic cement from solidifying before mould filling completion, can effectively ensure all plastic cement
Whole mobility, it is ensured that the shape of injection molding part meets the requirements, and after completion of the injection-moulding, can be above and below active balance
The temperature of type chamber, can be improved the uniformity coefficient of plastic molding, to improve the quality of injection molding part.
In the present embodiment, diversion channel 22 is coated with the second heating structure 25, and the second heating structure 25 can be effectively right
Plastic cement inside diversion channel 22 carries out heating and thermal insulation, it is ensured that the mobility of melt plastic cement in diversion channel 22.
Based on the above embodiment, wavy bulge portion 243, wavy bulge portion 243 are equipped at the center of cooling water tank 24
Positioned at the underface of the second heating structure 25, i.e. the underface that is located at diversion channel 22 of wavy bulge portion 243, wavy bulge portion
243 for improving the rate of temperature fall of 22 inside plastic cement of diversion channel, to improve whole injection molding rate.
Based on the above embodiment, injection channel 12 is wrapped with third heating structure 13, and third heating structure 13 can have
It imitates and heating and thermal insulation is carried out to the plastic cement in injection channel 12, it is ensured that the mobility of melt plastic cement in injection channel 12.
Based on the above embodiment, the first heating structure 23, the second heating structure 25 and third heating structure 13 are electric heating
Film, power supply are connected to Electric radiant Heating Film through conducting wire, convert electrical energy into thermal energy, since Electric radiant Heating Film is pure resistor element circuit, therefore its transfer efficiency
It is high.
In the present embodiment, thermometer 26 is equipped between the first heating structure 23 and cooling water tank 24, operating personnel passes through
Thermometer 26 can effectively monitor the temperature near the first heating structure 23, so as to adjust the operating switch of the first heating structure 23
And the switch of water inlet pipe 241 and outlet pipe 242, the reliability of integral molded plastic forming action can be effectively improved.
In the present embodiment, the bottom of upper mold 10 is equipped with guide groove 14, and the top of lower die 20 is equipped with guide post 27, guide post 27 with lead
Slot 14 matches, and guide post 27 makees elevating movement in guide groove 14, can effectively ensure the stability of open mold movement.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (7)
1. a kind of injection mold with uniform molding structure, including upper mold (10) and lower die (20), which is characterized in that on described
There are two setting in mould (10) upper impression (11), an injection channel (12), the lower die (20) are additionally provided in the upper mold (10)
In set there are two lower impressions (21), be connected with a diversion channel (22), the diversion channel (22) between two lower impressions (21)
It is disposed under the injection channel (12);
First heating structure (23), first heating structure (23) are equipped with outside the bottom of each lower impressions (21)
In the lower die (20), first heating structure (23) covers the bottom surface of the lower impressions (21) and the bottom of side,
It is additionally provided with cooling water tank (24) in the lower die (20), the cooling water tank (24) is located at two first heating structures (23)
Lower section, the both ends of the cooling water tank (24) are connected separately with water inlet pipe (241) and outlet pipe (242).
2. a kind of injection mold with uniform molding structure according to claim 1, which is characterized in that the diversion channel
(22) the second heating structure (25) are coated with.
3. a kind of injection mold with uniform molding structure according to claim 2, which is characterized in that the temperature lowering water
Wavy bulge portion (243) are equipped at the center of slot (24), the wavy bulge portion (243) is located at second heating structure
(25) underface.
4. a kind of injection mold with uniform molding structure according to claim 2, which is characterized in that the injection molding is logical
Road (12) is wrapped with third heating structure (13).
5. a kind of injection mold with uniform molding structure according to claim 4, which is characterized in that described first adds
Heat structure (23), second heating structure (25) and the third heating structure (13) are Electric radiant Heating Film.
6. a kind of injection mold with uniform molding structure according to claim 1, which is characterized in that described first adds
Thermometer (26) are equipped between heat structure (23) and the cooling water tank (24).
7. a kind of injection mold with uniform molding structure according to claim 1, which is characterized in that the upper mold
(10) bottom is equipped with guide groove (14), and the top of the lower die (20) is equipped with guide post (27), the guide post (27) and the guide groove
(14) it matches.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920119730.1U CN209504767U (en) | 2019-01-23 | 2019-01-23 | A kind of injection mold with uniform molding structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920119730.1U CN209504767U (en) | 2019-01-23 | 2019-01-23 | A kind of injection mold with uniform molding structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209504767U true CN209504767U (en) | 2019-10-18 |
Family
ID=68202315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920119730.1U Expired - Fee Related CN209504767U (en) | 2019-01-23 | 2019-01-23 | A kind of injection mold with uniform molding structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209504767U (en) |
-
2019
- 2019-01-23 CN CN201920119730.1U patent/CN209504767U/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: 20191018 |
|
CF01 | Termination of patent right due to non-payment of annual fee |