CN209504767U - A kind of injection mold with uniform molding structure - Google Patents

A kind of injection mold with uniform molding structure Download PDF

Info

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
Authority
CN
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
Application number
CN201920119730.1U
Other languages
Chinese (zh)
Inventor
南基学
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Jia Jia Photoelectric Polytron Technologies Inc
Original Assignee
Guangdong Jia Jia Photoelectric Polytron Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Jia Jia Photoelectric Polytron Technologies Inc filed Critical Guangdong Jia Jia Photoelectric Polytron Technologies Inc
Priority to CN201920119730.1U priority Critical patent/CN209504767U/en
Application granted granted Critical
Publication of CN209504767U publication Critical patent/CN209504767U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

A kind of injection mold with uniform molding structure
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.
CN201920119730.1U 2019-01-23 2019-01-23 A kind of injection mold with uniform molding structure Expired - Fee Related CN209504767U (en)

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)

Similar Documents

Publication Publication Date Title
CN104070634B (en) Products formed process units, products formed production method and products formed
CN206967884U (en) A kind of automobile middle control integrated electronic connector mould
CN103707455B (en) Bottle cap injection molding process and mould in a kind of medical EVA
CN209504767U (en) A kind of injection mold with uniform molding structure
CN112622213A (en) Quick cooling system is used in injection moulding product production
CN213260785U (en) Wheel core package glue injection mold
CN207028118U (en) A kind of injection molded device
CN203004201U (en) Injection moulding die for medical EVA (ethylene vinyl-acetate) inner bottle cap
CN212072771U (en) Plastic truckle wheel core injection mold
CN212312613U (en) Extraction structure mould convenient for product forming
CN204869485U (en) Keep even injection mold of melting material temperature
CN103831934A (en) Quick cooling temperature control injection molding mold
CN207327478U (en) A kind of automobile transmission stent injection mold
CN209126095U (en) A kind of uniform moulding injection mold for optical mirror slip
CN207224489U (en) One kind is spoken out of turn core side gate type hot mouth
CN106926420A (en) A kind of double injection mould structure mold of internal rotating
CN202556666U (en) Secondary covering molding system utilizing liquid silicone rubber and thermoplastic plastic
CN206967886U (en) A kind of automotive airbag electronic connector mould
CN109421222A (en) A kind of injection mold and injection molding machine
CN207942665U (en) Electric vehicle storage box mold local heating mechanism
CN208962356U (en) A kind of injection mold with reliable molding structure
CN205889740U (en) Can break switch shell mould of central runner waste material
CN216100179U (en) Injection mold for producing medical instrument parts
CN218399213U (en) Mould with many caves hot runner
CN215320318U (en) Novel hot nozzle

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