CN109109280A - A kind of injection mold for car rear shell - Google Patents

A kind of injection mold for car rear shell Download PDF

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Publication number
CN109109280A
CN109109280A CN201811283834.2A CN201811283834A CN109109280A CN 109109280 A CN109109280 A CN 109109280A CN 201811283834 A CN201811283834 A CN 201811283834A CN 109109280 A CN109109280 A CN 109109280A
Authority
CN
China
Prior art keywords
sliding block
open slot
lower template
plate
core
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.)
Pending
Application number
CN201811283834.2A
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Chinese (zh)
Inventor
史武龙
董士奇
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.)
NINGBO RUQIANG MOLDING CO Ltd
Original Assignee
NINGBO RUQIANG MOLDING CO Ltd
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 NINGBO RUQIANG MOLDING CO Ltd filed Critical NINGBO RUQIANG MOLDING CO Ltd
Priority to CN201811283834.2A priority Critical patent/CN109109280A/en
Publication of CN109109280A publication Critical patent/CN109109280A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • B29C2045/445Removing or ejecting moulded articles for undercut articles using the movable undercut forming element for ejection of the moulded article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/30Vehicles, e.g. ships or aircraft, or body parts thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/747Lightning equipment
    • B29L2031/7472Lampshades

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The invention discloses a kind of injection molds for car rear shell, including cope plate, lower template and the support block being fixed below lower template, the cope plate is located at lower template upper surface, push plate is equipped between the support block and lower template, the push plate is slidably fitted in support block, the type chamber for shaped article is equipped between the lower template upper surface and cope plate lower surface, the product lower surface is respectively equipped with the first open slot and the second open slot, first open slot is located at the top of the second open slot, the first opening groove center line and perpendicular are at the first angle, the second opening groove center line is and perpendicular is at the second angle, the present invention provides a kind of at low cost, oil does not penetrate into mold and not will increase the injection mold of die size.

Description

A kind of injection mold for car rear shell
Technical field
The present invention relates to injection mold field more particularly to a kind of injection molds for car rear shell.
Background technique
Car rear shell is molded using injection mold, according to the prior art, car rear shell product following table Face has feature locations at two to be not suitable for doing ejecting mechanism, if cost and oil cylinder placement day survey again will be increased by doing core pulling using oil cylinder It is easy to produce oil leak and penetrates into the risk of mold, and will increase die size.
Summary of the invention
The technical problems to be solved by the present invention are: overcoming the defect of the above prior art, it is at low cost, oily not to provide one kind Mold can be penetrated into and not will increase the injection mold of die size.
The technical solution used in the present invention is: a kind of injection mold for car rear shell, including cope plate, under Template and the support block being fixed below lower template, the cope plate are located at lower template upper surface, the support block and lower template Between be equipped with push plate, the push plate is slidably fitted in support block, the lower template upper surface and cope plate lower surface it Between be equipped with for shaped article type chamber, the product lower surface is respectively equipped with the first open slot and the second open slot, described The first open slot be located at the top of the second open slot, the first opening groove center line and perpendicular into the first angle, The described second opening groove center line is and perpendicular is at the second angle, is equipped in first open slot for forming the First mold core of one open slot, interior the second mold core being equipped with for forming the second open slot of second open slot are described Product right side is inclined-plane, and the third sliding block for shaped article right side, the product are equipped on the right side of the lower template Right side is equipped with back-off, and the Four-slider for forming back-off is equipped in the back-off, and the lower template upper surface is also set There is the 5th sliding block for shaped article trailing flank, is equipped between the support block and lower template and the first open slot and second are opened Mouth slot carries out the first core-pulling mechanism ejected after first core pulling simultaneously, and the Four-slider is located on third sliding block, and described is upper The second core-pulling mechanism that core pulling is carried out to third sliding block is additionally provided between template and lower template.
After using the above structure, compared with the prior art, the present invention has the following advantages: it (is exactly the first opening at product two Slot and the second open slot) feature locations are not suitable for doing ejecting mechanism, and the first angle and the second included angle are identical, if using oil Cylinder do core pulling will increase cost and oil cylinder placement day is surveyed and is easy to produce the risk that mold is penetrated into oil leak again, and will increase mold ruler It is very little, therefore ejected after carrying out first core pulling simultaneously to the first open slot and the second open slot herein, it is at low cost, oily not penetrate into mold And not will increase die size, the second core-pulling mechanism is set, allows the third slipper block loose core of shaped article right side, while allowing molding The Four-slider of product back-off is located at core pulling together on third sliding block, at low cost.
Preferably, first core-pulling mechanism includes float plate, the first angle ejector rod and the second angle ejector rod, described It is parallel to each other between one angle ejector rod and the second angle ejector rod, the float plate is located at support block upper surface, and the float plate is located at Between support block and lower template, the float plate is equipped with guide post, and the guide post extends upward through lower template, the guide post position Part between float plate and lower template is equipped with compressed spring, and the float plate upper surface is respectively equipped with the first groove and the Two grooves, first groove is interior to be equipped with the first sliding block, the second sliding block is equipped in second groove, described first is sliding Be equipped with the first oblique chute in block, second sliding block you be equipped with the second oblique chute, the first angle ejector rod upper end and first Mold core connection, the first angle ejector rod lower end are slidably fitted in the first oblique chute through lower template, second oblique top Bar upper end is connect with the second mold core, and the second angle ejector rod lower end is slidably fitted in the second oblique chute through lower template, institute The first mandril and the second mandril are further respectively had in the lower template stated, the first mandril upper end is against the lower surface of product, First mandril sequentially passes through lower template, the first sliding block and float plate and is fixed in push plate, the second mandril upper end It is against the lower surface of product, the second mandril lower end sequentially passes through lower template, the second sliding block and float plate and is fixed on push plate On, injection mold is mounted on injection molding machine, and the overlying relation in figure is exactly the front-rear position relationship on injection molding machine, under Template be it is motionless, first allow cope plate to be detached from lower template, such product stays in lower template, and support block and float plate move backward, Compressed spring is set between float plate and lower template, is separated convenient for float plate with lower template, and push plate activity at this time is slidably fitted in mould In foot, the first mandril and the second mandril are not moved, and float plate drives the first sliding block and the second sliding block to move backward, and such first Sliding block drives the first angle ejector rod to move backward, and the first mold core realizes core pulling, and the second sliding block drives the second angle ejector rod to move backward, the Two mold cores realize core pulling, then push plate are pushed to move forward, and push plate drives the first mandril and the second mandril toward sinciput, product top Out, stop ejection after push plate is contacted with float plate, ejected after realizing the first core pulling of product, it is at low cost, it not will increase mold Size.
Preferably, first angle ejector rod and the second oblique top pole length is identical, guarantee the first angle ejector rod and second tiltedly Mandril simultaneously core pulling in place, high reliablity.
Preferably, second core-pulling mechanism includes inclined guide pillar and take-up housing, the take-up housing is equipped with sliding slot, The third sliding block is slidably fitted in sliding slot, sliding slot bottom surface inclined guide pillar vertical with product right side, described Upper end is fixed on cope plate, and the inclined guide pillar lower end is slidably fitted on third sliding block, the third sliding block upper surface Equipped with open slot, described Four-slider one end is located in back-off, and the Four-slider other end is located in open slot, described Open slot be equipped with support rod far from the side of product, in the described support rod insertion Four-slider, on the support rod It is cased with compressed spring, because feature can not be changed product herein, therefore Four-slider is located on third sliding block herein, is equivalent to big cunning Block and small slide block structure, during third sliding block skids off early period, Four-slider is withstood by spring keeps front-rear position motionless The direction of motion of Four-slider is allowed to walk downward simultaneously, when third slider stroke reaches 16MM, the feature of Four-slider leading portion is rigid The good de- back-off for locating this feature, then Four-slider follows third sliding block to pull out together and is detached from product, will not pull product.
Preferably, being equipped with injection molding running channel in the cope plate, the 5th sliding block upper surface is equipped with hopper, described Hopper one end be connected to injection molding running channel, the hopper other end is connected to type chamber, because of product feature and can not into glue point The reason of change, product hopper are all made on the 5th sliding block, and hopper can smoothly stay on the 5th sliding block after mold die sinking, in this way Hopper does not have the risk of viscous type chamber.
Preferably, be equipped with back-off groove in the hopper, a back-off groove is done on the 5th sliding block, when die sinking can have one Hopper is fixed on the 5th sliding block by a power, eliminates the risk that hopper glues type chamber.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the injection mold for car rear shell of the present invention.
Fig. 2 is the perspective view that a kind of injection mold for car rear shell of the present invention removes cope plate.
Fig. 3 is a kind of perspective view of the injection mold product for car rear shell of the present invention.
Fig. 4 is a kind of perspective view of the injection mold float plate for car rear shell of the present invention.
Fig. 5 is a kind of injection mold product, the first core-pulling mechanism, the second tube bundle extracting machine for car rear shell of the present invention The perspective view of structure and the 5th sliding block.
Fig. 6 is a kind of perspective view of the second core-pulling mechanism of injection mold for car rear shell of the present invention.
Fig. 7 is a kind of perspective view of the 5th sliding block of injection mold for car rear shell of the present invention.
Wherein, 1, lower template, 2, support block, 3, product, 4, back-off, the 5, first open slot, the 6, second open slot, 7, push plate, 8, cope plate, 9, float plate, the 10, first mold core, the 11, second mold core, the 12, first groove, the 13, second groove, 14, first is sliding Block, the 15, second sliding block, 16, Four-slider, the 17, the 5th sliding block, 18, third sliding block, the 19, first oblique chute, 20, second is tiltedly sliding Slot, the 21, first mandril, the 22, second mandril, 23, guide post, 24, inclined guide pillar, 25, take-up housing, 26, sliding slot, 27, open slot, 28, Support rod, 29, injection molding running channel, 30, hopper, 31, back-off groove, the 32, first angle ejector rod, the 33, second angle ejector rod.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
As shown, the present invention provides a kind of injection mold for car rear shell, including cope plate 8, lower template 1 With the support block 2 for being fixed on 1 lower section of lower template, the cope plate 8 is located at 1 upper surface of lower template, the support block 2 and lower template Push plate 7 is equipped between 1, the push plate 7 is slidably fitted in support block 2, under 1 upper surface of lower template and cope plate 8 The type chamber for shaped article 3 is equipped between surface, 3 lower surface of product is respectively equipped with the first open slot 5 and second and opens Mouth slot 6, first open slot 5 are located at the top of the second open slot 6, and 5 center line of the first open slot is put down with vertical Face is at the first angle, and 6 center line of the second open slot is and perpendicular is at the second angle, first open slot 5 Interior the first mold core 10 being equipped with for forming the first open slot 5, interior be equipped with of the second open slot 6 are used to form the second opening Second mold core 11 of slot 6,3 right side of product are inclined-plane, are equipped on the right side of the lower template 1 right for shaped article 3 The third sliding block 18 of end face, 3 right side of product are equipped with back-off 4, are equipped in the back-off 4 for forming back-off 4 Four-slider 16,1 upper surface of lower template are additionally provided with the 5th sliding block 17 for 3 trailing flank of shaped article, the mould It is equipped between foot 2 and lower template 1 and the first core pulling ejected after first core pulling is carried out simultaneously to the first open slot 5 and the second open slot 6 Mechanism, the Four-slider 16 are located on third sliding block 18, are additionally provided between the cope plate 8 and lower template 1 to third Sliding block 18 carries out the second core-pulling mechanism of core pulling, it is an advantage of the invention that (being exactly that the first open slot 5 and second open at 3 liang of product Mouthful slot 6) feature locations are not suitable for doing ejecting mechanism, and the first angle and the second included angle are identical, if doing core pulling using oil cylinder Cost will be increased and oil cylinder disposes again day to survey the risk for being easy to produce oil leak infiltration mold, and will increase die size, therefore this Place ejects after carrying out first core pulling simultaneously to the first open slot 5 and the second open slot 6, at low cost, oily not penetrate into mold and Increase die size, the second core-pulling mechanism is set, allow 18 core pulling of third sliding block of 3 right side of shaped article, while molding being allowed to produce The Four-slider 16 of the back-off of product 34 is located at core pulling together on third sliding block 18, at low cost.
First core-pulling mechanism includes float plate 9, the first angle ejector rod 32 and the second angle ejector rod 33, and described first tiltedly It is parallel to each other between mandril 32 and the second angle ejector rod 33, the float plate 9 is located at 2 upper surface of support block, the float plate 9 Between support block 2 and lower template 1, the float plate 9 is equipped with guide post 23, and the guide post 23 extends upward through lower template 1, institute Part of the guide post 23 stated between float plate 9 and lower template 1 is equipped with compressed spring, 9 upper surface of the float plate difference Equipped with the first groove 12 and the second groove 13, the first sliding block 14, second groove 13 are equipped in first groove 12 Inside be equipped with the second sliding block 15, be equipped with the first oblique chute 19 in first sliding block 14, second sliding block 15 you be equipped with the Two oblique chutes 20,32 upper end of the first angle ejector rod are connect with the first mold core 10, and 32 lower end of the first angle ejector rod is run through Lower template 1 is slidably fitted in the first oblique chute 19, and 33 upper end of the second angle ejector rod is connect with the second mold core 11, described Second angle ejector rod, 33 lower end is slidably fitted in the second oblique chute 20 through lower template 1, is further respectively had in the lower template 1 First mandril 21 and the second mandril 22,21 upper end of the first mandril are against the lower surface of product 3, first mandril 21 It sequentially passes through lower template 1, the first sliding block 14 and float plate 9 to be fixed in push plate 7,22 upper end of the second mandril is against product 3 lower surface, 22 lower end of the second mandril sequentially pass through lower template 1, the second sliding block 15 and float plate 9 and are fixed on push plate 7 On, injection mold is mounted on injection molding machine, and the overlying relation in figure is exactly the front-rear position relationship on injection molding machine, under Template 1 be it is motionless, first allow cope plate 8 to be detached from lower template 1, such product 3 stays in lower template 1, and support block 2 and float plate 9 are past After move, set compressed spring between float plate 9 and lower template 1, separated convenient for float plate 9 with lower template 1, the activity of push plate at this time 7 It is slidably fitted in support block 2, the first mandril 21 and the second mandril 22 do not move, and float plate 9 drives the first sliding block 14 and second Sliding block 15 moves backward, and such first sliding block 14 drives the first angle ejector rod 32 to move backward, the realization core pulling of the first mold core 10, and second Sliding block 15 drives the second angle ejector rod 33 to move backward, and the second mold core 11 realizes core pulling, then push plate 7 is pushed to move forward, push plate 7 It drives the first mandril 21 and the second mandril 22 toward sinciput, product 3 is ejected, stop top after push plate 7 is contacted with float plate 9 Out, it is ejected after realizing the first core pulling of product 3, it is at low cost, it not will increase die size.
First angle ejector rod 32 is identical with 33 length of the second angle ejector rod, guarantees the first angle ejector rod 32 and the second angle ejector rod 33 simultaneously core pullings in place, high reliablity.
Second core-pulling mechanism includes inclined guide pillar 24 and take-up housing 25, and the take-up housing 25 is equipped with sliding slot 26, The third sliding block 18 is slidably fitted in sliding slot 26, and 26 bottom surface of sliding slot is vertical with 3 right side of product, described 24 upper end of inclined guide pillar is fixed on cope plate 8, and 24 lower end of inclined guide pillar is slidably fitted on third sliding block 18, and described Three sliding blocks, 18 upper surface is equipped with open slot 27, and described 16 one end of Four-slider is located in back-off 4, and the Four-slider 16 is another One end is located in open slot 27, and the open slot 27 is equipped with support rod 28 far from the side of product 3, and the support rod 28 is inserted Enter in Four-slider 16, is also cased with compressed spring on the support rod 28, because feature can not be changed product 3 herein, therefore this Locate Four-slider 16 to be located on third sliding block 18, be equivalent to big sliding block and small slide block structure, when third sliding block skidded off for 18 early period Cheng Zhong, Four-slider 16 is withstood by spring to be kept allowing the direction of motion of Four-slider 16 to walk downward while front-rear position is motionless, When 18 stroke of third sliding block reaches 16MM, the just de- back-off 4 for locating this feature of the feature of 16 leading portion of Four-slider, then the 4th Sliding block 16 follows third sliding block 18 to pull out together and is detached from product 3, will not pull product 3.
Injection molding running channel 29 is equipped in the cope plate 8,17 upper surface of the 5th sliding block is equipped with hopper 30, described 30 one end of hopper is connected to injection molding running channel 29, and 30 other end of hopper is connected to type chamber, because of 3 feature of product and into glue point The reason of can not changing, product hopper 30 are all made on the 5th sliding block 17, and hopper 30 can smoothly stay in the 5th after mold die sinking On sliding block 17, such hopper 30 does not have the risk of viscous type chamber.
It is equipped with back-off groove 31 in the hopper 30, does a back-off groove 31 on the 5th sliding block 17, when die sinking can have one Hopper 30 is fixed on the 5th sliding block 17 by a power, eliminates the risk that hopper 30 glues type chamber.
Specifically, the principle of the present invention is (being exactly the first open slot 5 and the second open slot 6) Q-character at 3 liang of product Set and be not suitable for doing ejecting mechanism, the first angle and the second included angle are identical, if using oil cylinder do core pulling will increase cost and The risk for being easy to produce oil leak infiltration mold is surveyed in day again for oil cylinder placement, and will increase die size, therefore be open herein to first Slot 5 and the second open slot 6 eject after carrying out first core pulling simultaneously, at low cost, oily not penetrate into mold and not will increase die size, Second core-pulling mechanism is set, allows 18 core pulling of third sliding block of 3 right side of shaped article, while allowing the 4th of the back-off of shaped article 34 Sliding block 16 is located at core pulling together on third sliding block 18, at low cost, and it is exactly commonly that the 5th sliding block 17, which follows cope plate 8 to demould together, Slipper block loose core, third sliding block 18 is with 24 core pulling of inclined guide pillar.
Preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This hair Bright to be not only limited to above embodiments, specific structure is allowed to vary, all institutes in the protection scope of demand for independence of the present invention The various change of work is within the scope of the invention.

Claims (6)

1. a kind of injection mold for car rear shell, including cope plate (8), lower template (1) and it is fixed on lower template (1) The support block (2) of lower section, the cope plate (8) is located at lower template (1) upper surface, between the support block (2) and lower template (1) Equipped with push plate (7), the push plate (7) is slidably fitted in support block (2), lower template (1) upper surface and cope plate (8) the type chamber for shaped article (3) is equipped between lower surface, the product (3) lower surface is respectively equipped with the first open slot (5) and the second open slot (6), first open slot (5) are located at the top of the second open slot (6), first opening Slot (5) center line and perpendicular are at the first angle, and described the second open slot (6) center line is and perpendicular is at the second folder Angle, interior the first mold core (10) being equipped with for forming the first open slot (5) of first open slot (5), described second opens The second mold core (11) for forming the second open slot (6) is equipped in mouth slot (6), the product (3) right side is inclined-plane, institute The third sliding block (18) for shaped article (3) right side, the product (3) right side are equipped on the right side of the lower template (1) stated The Four-slider (16) for forming back-off (4), the lower template (1) are equipped with equipped with back-off (4), in the back-off (4) Upper surface is additionally provided with the 5th sliding block (17) for shaped article (3) trailing flank, it is characterised in that: the support block (2) and under It is equipped between template (1) and the first tube bundle extracting machine ejected after first core pulling is carried out simultaneously to the first open slot (5) and the second open slot (6) Structure, the Four-slider (16) are located on third sliding block (18), are additionally provided between the cope plate (8) and lower template (1) Third sliding block (18) are carried out with the second core-pulling mechanism of core pulling.
2. a kind of injection mold for car rear shell according to claim 1, it is characterised in that: described first Core-pulling mechanism includes float plate (9), the first angle ejector rod (32) and the second angle ejector rod (33), first angle ejector rod (32) and Two angle ejector rods are parallel to each other between (33), and the float plate (9) is located at support block (2) upper surface, and the float plate (9) is located at Between support block (2) and lower template (1), the float plate (9) is equipped with guide post (23), and the guide post (23) extends upward through down Template (1), the guide post (23) are located at the part between float plate (9) and lower template (1) equipped with compressed spring, and described is floating Movable plate (9) upper surface is respectively equipped with the first groove (12) and the second groove (13), is equipped with first in first groove (12) Sliding block (14), second groove (13) is interior to be equipped with the second sliding block (15), and first is equipped in first sliding block (14) tiltedly Sliding slot (19), you are equipped with the second oblique chute (20) to second sliding block (15), the first angle ejector rod (32) upper end and the One mold core (10) connection, the first angle ejector rod (32) lower end are slidably fitted in the first oblique chute (19) through lower template (1) Interior, the second angle ejector rod (33) upper end is connect with the second mold core (11), under described the second angle ejector rod (33) lower end is run through Template (1) is slidably fitted in the second oblique chute (20), and the first mandril (21) and the are further respectively had in the lower template (1) Two mandrils (22), described the first mandril (21) upper end are against the lower surface of product (3), and first mandril (21) successively passes through It wears template (1), the first sliding block (14) and float plate (9) to be fixed on push plate (7), described the second mandril (22) upper end is against The lower surface of product (3), described the second mandril (22) lower end sequentially pass through lower template (1), the second sliding block (15) and float plate (9) it is fixed on push plate (7).
3. a kind of injection mold for car rear shell according to claim 2, it is characterised in that: described first Angle ejector rod (32) is identical with the second angle ejector rod (33) length.
4. a kind of injection mold for car rear shell according to claim 1, it is characterised in that: described second Core-pulling mechanism includes inclined guide pillar (24) and take-up housing (25), and the take-up housing (25) is equipped with sliding slot (26), the third Sliding block (18) is slidably fitted in sliding slot (26), and sliding slot (26) bottom surface is vertical with product (3) right side, and described is oblique Guide post (24) upper end is fixed on cope plate (8), and the inclined guide pillar (24) lower end is slidably fitted on third sliding block (18), institute Third sliding block (18) upper surface stated is equipped with open slot (27), and described Four-slider (16) one end is located in back-off (4), described Four-slider (16) other end be located in open slot (27), the open slot (27) is equipped with branch far from the side of product (3) Strut (28), the support rod (28) are inserted into Four-slider (16), are also cased with compressed spring on the support rod (28).
5. a kind of injection mold for car rear shell according to claim 1, it is characterised in that: the upper mold Injection molding running channel (29) is equipped in plate (8), the 5th sliding block (17) upper surface is equipped with hopper (30), the hopper (30) one End is connected to injection molding running channel (29), and the hopper (30) other end is connected to type chamber.
6. a kind of injection mold for car rear shell according to claim 5, it is characterised in that: the hopper (30) back-off groove (31) are equipped in.
CN201811283834.2A 2018-10-31 2018-10-31 A kind of injection mold for car rear shell Pending CN109109280A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811283834.2A CN109109280A (en) 2018-10-31 2018-10-31 A kind of injection mold for car rear shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811283834.2A CN109109280A (en) 2018-10-31 2018-10-31 A kind of injection mold for car rear shell

Publications (1)

Publication Number Publication Date
CN109109280A true CN109109280A (en) 2019-01-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811283834.2A Pending CN109109280A (en) 2018-10-31 2018-10-31 A kind of injection mold for car rear shell

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CN (1) CN109109280A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110091474A (en) * 2019-04-30 2019-08-06 郭拓 A kind of automobile tail light injection mold
CN111002535A (en) * 2019-12-25 2020-04-14 深圳市凯尔斯塑胶电子有限公司 Wear-resistant durable injection mold
WO2023159742A1 (en) * 2022-02-28 2023-08-31 浙江凯华模具有限公司 Inclined core-pulling structure in sliding block of oil cylinder

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CN206085552U (en) * 2016-08-31 2017-04-12 宁波如强模塑有限公司 A injection mold for automobile tail light base
CN107553837A (en) * 2017-09-27 2018-01-09 浙江凯华模具有限公司 Injection mold straight top type angled-lift splits wide-angle small―gap suture side core-pulling mechanism
CN209240410U (en) * 2018-10-31 2019-08-13 宁波如强模塑有限公司 A kind of injection mold for car rear shell

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KR20080067746A (en) * 2007-01-17 2008-07-22 미크론정공 주식회사 Injection molding apparatus
CN201712126U (en) * 2010-05-28 2011-01-19 浙江伟基模业有限公司 Automobile lampshade injection mold lifter demolding mechanism
US20120321742A1 (en) * 2011-06-16 2012-12-20 Wang xian-yun Injection mold
US20130101693A1 (en) * 2011-10-25 2013-04-25 Cheng Uei Precision Industry Co., Ltd. Injection mold
KR20130101740A (en) * 2012-03-06 2013-09-16 주식회사 신한금형 Two shot injection molding for resolving under-cut of molding goods and picking method applied to it
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Publication number Priority date Publication date Assignee Title
CN110091474A (en) * 2019-04-30 2019-08-06 郭拓 A kind of automobile tail light injection mold
CN111002535A (en) * 2019-12-25 2020-04-14 深圳市凯尔斯塑胶电子有限公司 Wear-resistant durable injection mold
CN111002535B (en) * 2019-12-25 2021-10-15 深圳市凯尔斯塑胶电子有限公司 Wear-resistant durable injection mold
WO2023159742A1 (en) * 2022-02-28 2023-08-31 浙江凯华模具有限公司 Inclined core-pulling structure in sliding block of oil cylinder

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