CN117021493B - Zero degree draft injection mold - Google Patents
Zero degree draft injection mold Download PDFInfo
- Publication number
- CN117021493B CN117021493B CN202311277161.0A CN202311277161A CN117021493B CN 117021493 B CN117021493 B CN 117021493B CN 202311277161 A CN202311277161 A CN 202311277161A CN 117021493 B CN117021493 B CN 117021493B
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- male die
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- main body
- mold
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- 238000002347 injection Methods 0.000 title claims abstract description 44
- 239000007924 injection Substances 0.000 title claims abstract description 44
- 238000001746 injection moulding Methods 0.000 claims abstract description 28
- 238000000465 moulding Methods 0.000 claims description 22
- 230000009471 action Effects 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 abstract description 15
- 239000004033 plastic Substances 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000007246 mechanism Effects 0.000 description 12
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229940127554 medical product Drugs 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
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
Abstract
The invention discloses a zero-degree drawing injection mold, which relates to the technical field of molds and has the technical scheme that: the novel plastic injection molding die comprises a male die holder and a female die holder, wherein a guiding structure matched with the male die is arranged between the male die holder and the female die holder, a male die is arranged on the male die holder, a female die is arranged on the female die holder, a zero-degree die drawing die cavity is formed between the male die and the female die, an injection system for injecting into the die cavity is arranged at the female die and the male die, and an injection molding pore-forming structure for assisting in injection molding pore-forming is arranged on the female die holder. The zero-degree drawing injection mold can realize the production of zero-degree injection products, the drawing angle does not need to be designed, the product has no parting line, the appearance of the product has zero-degree drawing angle, the product is left on the master mold after the mold is opened, the problem of product strain is solved by the clearance of product shrinkage, and then the mechanical arm is utilized to take a part.
Description
Technical Field
The invention relates to the technical field of molds, in particular to a zero-degree drawing injection mold.
Background
The injection mold is a main tool for molding plastic products, and can rapidly and rapidly mass-produce plastic products with identical shapes and sizes. Injection molds are an important tool for many products that they must produce a wide variety of plastic articles. Such as: plastic parts on automobiles, medical products, industrial electronic products, and the like. The plastic products produced by the injection mold have the advantages of light weight, high strength, good toughness, corrosion resistance, good insulativity, easy coloring, easy molding, low cost and the like, so the plastic products are favored by various industries.
The prior art patent with the publication number of CN110406024B discloses an injection mold convenient for controlling the flow rate of a material, the injection mold comprises a lower mold base and an upper mold base, the top surface of the upper mold base is provided with a feeding channel, the upper end of the upper mold base is fixedly connected with a feeding pipe communicated with the feeding channel, a control valve is arranged on the feeding pipe, a pneumatic control mechanism is arranged in the bottom of the lower mold base, transmission mechanisms communicated with the pneumatic control mechanism are arranged in the side walls of the left end and the right end of the lower mold base, two connecting mechanisms respectively communicated with the two transmission mechanisms are fixedly connected with the upper end of the lower mold base, two first grooves are arranged at the lower end of the upper mold base, a fixing mechanism movably connected with the connecting mechanisms is arranged on the side walls of the first grooves, first air guide holes communicated with the connecting mechanisms are arranged on the top surface of the first grooves, and first cavities are arranged in the top surfaces of the upper mold bases at the left end and the right end of the feeding channel.
As another chinese patent with the existing publication number CN114932658B, it discloses an injection mold for high-drop products, comprising a fixed mold, a movable mold and a demolding mechanism, wherein the fixed mold is fixedly arranged, a molding groove is arranged in the fixed mold, and the movable mold is adapted to cooperate with the molding groove to form a molding deep cavity for molding the barrel; the movable mould comprises at least one core mould and a base plate which are arranged in a segmented mode, the core mould is arranged on the base plate, and the core mould is suitable for being matched with the forming groove to be used for forming a cavity in the barrel body; the demolding mechanism is arranged on the substrate and matched with the core mold; when demolding is carried out, the demolding mechanism is suitable for sequentially driving each section of the core mold to shrink towards the center of the movable mold; the second process is as follows: the movable mould drives the demoulding mechanism to synchronously move away from the formed barrel body.
The above patents each have some advantages, but each has some disadvantages such as: the products of moulding plastics all are provided with certain draft angle, can't realize zero angle draft.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a zero-degree drawing injection mold.
The technical aim of the invention is realized by the following technical scheme:
the utility model provides a zero degree draft injection mold, includes public die holder and female die holder, be provided with direction matched guide structure between public die holder and the female die holder, install the terrace die on the public die holder, install the die on the female die holder, be formed with the die cavity of zero degree draft between terrace die and the die, die and terrace die department are provided with the injection system that is used for injecting to the die cavity, be provided with the pore-forming structure that moulds plastics that is used for assisting the pore-forming of moulding plastics on the female die holder.
By adopting the technical scheme, the zero-degree drawing injection mold can realize the production of zero-degree injection products without designing drawing angles; when the die is used, the male die base and the female die base are respectively arranged on the injection molding machine, the guide structure is used for die assembly and guide, a workpiece is molded into a die cavity between the male die and the female die through the injection molding system after die assembly, and the zero-degree drawing die injection molding product demoulding can be realized through the injection molding pore-forming structure.
Preferably, the male die comprises a die core main body, a first embedded block, a second embedded block, a supporting plate, a plurality of auxiliary rods, a hooking block and a power shaft, wherein the auxiliary rods are respectively fixed with the male die base, the supporting plate is fixed at the end part of the auxiliary rods, the die core main body is embedded and clamped in the supporting plate, the first embedded block and the second embedded block are respectively connected with the die core main body in a sliding manner, an inner avoidance groove for recycling the first embedded block and the second embedded block is formed in the die core main body, the power shaft is connected in the male die base in a sliding manner, the hooking block is fixed in the power shaft, when the die stripping action is performed, the power shaft drives the hooking block to pull the die core main body to be separated from the female die, and the first embedded block and the second embedded block are mutually close and generate a stripping angle when the die core main body is pulled out, so that the die stripping angle is convenient to be integrally separated.
Through adopting above-mentioned technical scheme, the terrace die that comprises mold core main part, first abaculus and second abaculus has the advantage of conveniently moulding plastics, when the back of die sinking, the power shaft drives earlier and colludes movable block pulling mold core main part and break away from in the die, and first abaculus, second abaculus draw close each other and produce the drawing of patterns angle when the mold core main part pulls out to solve the light drawing of patterns of no drawing of patterns angle goods, conveniently make zero degree drawing of patterns goods, and then convenient whole breaks away from.
Preferably, the injection system comprises a clamping ring, a pouring cup, a pouring runner and a pouring nozzle, wherein the clamping ring is fixed in a master die holder, the pouring cup is fixed at the end part of the clamping ring through a screw, the pouring runner is communicated with the pouring cup, and the pouring nozzle is positioned at the end part of the pouring runner.
By adopting the technical scheme, after molten plastic particles are injected through the pouring cup in the injection system, injection pouring can be realized through the pouring runner and the pouring nozzle.
Preferably, the injection molding pore-forming structure comprises a servo electric cylinder, a molding auxiliary rod, a notch and a clamping groove, wherein the servo electric cylinder is fixed on a master die holder, the molding auxiliary rod is fixed at the end part of an output shaft of the servo electric cylinder, the notch is formed on the side wall of a poured workpiece, the clamping groove is formed in a first embedded block, the molding auxiliary rod is abutted to the clamping groove, and a cold air conveying pipe is arranged at the notch.
By adopting the technical scheme, when injection molding is performed, the servo electric cylinder can be started to drive the forming auxiliary rod to insert and close to the male die, so that a product with holes can be conveniently manufactured, and the cold air conveying pipe at the notch can blow cold air after the forming auxiliary rod is separated from the male die, so that the shrinkage of the product is promoted.
Preferably, the end parts of the mold core main body, the first embedded block and the second embedded block form a streamline arc structure after mold closing, and the end side of the mold core main body is provided with a plurality of convex structures.
By adopting the technical scheme, the outer convex structure can facilitate die opening, and the streamline arc structure can reduce the stress concentration phenomenon of the product.
Preferably, the pouring nozzle is positioned on the end face of the die core main body, the pouring nozzle is arranged to be a wedge-shaped face, the pouring nozzle is provided with a step structure, and a channel communicated with the pouring nozzle is formed in the outer annular wall of the die core main body.
By adopting the technical scheme, the arrangement of the wedge-shaped surface, the step structure and the channel can ensure the flow balance of the molten plastic.
Preferably, the male die holder is fixed with a first male die base plate, a second male die base plate and a third male die base plate, and the first male die base plate, the second male die base plate and the third male die base plate are respectively fixed with the male die holder through a plurality of bolts.
By adopting the technical scheme, the structural stability of the male die can be improved by utilizing the first male die base plate, the second male die base plate and the third male die base plate.
Preferably, the guiding structure comprises a main guide post, a main guide sleeve and a -shaped guiding channel, wherein the main guide post is fixed on the female die holder through a plurality of bolts and pins, the main guide sleeve is fixed on the male die holder through a plurality of bolts and pins, and the -shaped guiding channel is arranged in the main guide sleeve for the main guide post to slide.
By adopting the technical scheme, the stability of die assembly can be improved by utilizing the cooperation of the main guide post and the main guide sleeve.
Preferably, the male die, the female die and the die cavity are respectively provided with two groups, and the male die holder and the female die holder are respectively provided with a plurality of mounting grooves for assisting the male die holder and the female die holder to be mounted on the injection molding machine.
By adopting the technical scheme, the production efficiency can be improved by adopting a plurality of groups of injection molding structures.
In summary, the invention has the following advantages:
the zero-degree drawing injection mold can realize the production of zero-degree injection products without designing drawing angles; when the die is used, the male die base and the female die base are respectively arranged on an injection molding machine, the guide structure is used for die assembly and guide, a workpiece is injected into a die cavity between the male die and the female die through the injection molding system after die assembly, zero-degree drawing of a molded product can be realized by utilizing the injection molding pore-forming structure, the product has no parting line, the product appearance has zero-degree drawing angle, the product is reserved on the female die after die opening, the problem of product strain is solved by means of a product shrinkage gap, and then a mechanical arm is utilized for taking a piece.
Drawings
FIG. 1 is one of the structural schematic diagrams of the present invention;
FIG. 2 is a second schematic diagram of the structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is a third schematic diagram of the structure of the present invention;
FIG. 5 is a schematic diagram of a fourth embodiment of the present invention
FIG. 6 is an enlarged view of the structure at B in FIG. 5;
fig. 7 is one of schematic structural views for showing the structure at the male die;
fig. 8 is a second schematic diagram showing the structure at the male die.
Reference numerals: 11. a male die holder; 12. a master die holder; 2. a guide structure; 13. a male die; 14. a female die; 3. an injection system; 4. injection molding the pore-forming structure; 131. a mold core body; 132. a first slug; 133. a second slug; 134. a support plate; 135. an auxiliary lever; 136. a hooking block; 137. a power shaft; 31. a clasp; 32. a pouring cup; 33. pouring a runner; 41. a servo electric cylinder; 42. forming an auxiliary rod; 43. a notch; 44. A cold air delivery pipe; 138. a convex structure; 17. a first punch backing plate; 15. a second punch backing plate; 16. a third punch backing plate; 21. a main guide post; 22. a main guide sleeve; 23. shaped guide channels.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1-8, a zero-degree drawing injection mold comprises a male mold base 11 and a female mold base 12, wherein a guiding structure 2 matched with a guiding structure is arranged between the male mold base 11 and the female mold base 12, a male mold 13 is arranged on the male mold base 11, a female mold 14 is arranged on the female mold base 12, a mold cavity for zero-degree drawing is formed between the male mold 13 and the female mold 14, an injection system 3 for injecting into the mold cavity is arranged at the positions of the female mold 14 and the male mold 13, and an injection pore-forming structure 4 for assisting in injection pore-forming is arranged on the female mold base 12. The zero-degree drawing injection mold can realize the production of zero-degree injection products without designing drawing angles; when the die is used, the male die holder 11 and the female die holder 12 are respectively arranged on an injection molding machine, the guide structure 2 is used for die assembly and guide, a workpiece is molded into a die cavity between the male die 13 and the female die 14 through an injection molding system after die assembly, and the injection molding pore-forming structure 4 is used for realizing the demoulding of a zero-degree drawing die injection product.
Referring to fig. 1, fig. 2 and fig. 4, the male die 13 includes a die core main body 131, a first slug 132, a second slug 133, a supporting plate 134, a plurality of auxiliary rods 135, a hooking block 136 and a power shaft 137, wherein the plurality of auxiliary rods 135 are respectively fixed with the male die holder 11, the supporting plate 134 is fixed at the end of the auxiliary rods 135, the die core main body 131 is embedded and clamped in the supporting plate 134, the first slug 132 and the second slug 133 are respectively connected with the die core main body 131 in a sliding manner, an internal avoiding groove for recovering the first slug 132 and the second slug 133 is formed in the die core main body 131, the power shaft 137 is connected in the male die holder 11 in a sliding manner, the hooking block 136 is fixed in the power shaft 137, when the die is in a die stripping action, the first slug 132 and the second slug 133 are mutually closed and generate an angle when the die core main body 131 is pulled out, the die core main body 132 is conveniently integrated, the die core main body 132, the second slug and the die core main body 131 are conveniently pulled out from the die core main body is conveniently, and the die core main body is conveniently pulled out from the die main body is conveniently when the second slug and the die core main body is not pulled out, and the die core main body is conveniently pulled out from the die main body is conveniently, and the die core main body is conveniently pulled from the die main body is completely by the second slug and has the advantages of the die core body and the die core body is conveniently pulled out from the die core body.
With particular reference to fig. 2 and 3, the injection system 3 includes a collar 31, a pouring cup 32, a pouring runner 33 and a pouring nozzle, wherein the collar 31 is fixed in the master mold base 12, the pouring cup 32 is fixed at the end of the collar 31 by a screw, the pouring runner 33 is communicated with the pouring cup 32, and the pouring nozzle is positioned at the end of the pouring runner 33; after the molten plastic particles are injected through the pouring cup 32 in the injection system 3, injection pouring can be achieved through the pouring runner 33 and the pouring nozzle.
Referring to fig. 1-8, the injection molding hole forming structure 4 comprises a servo electric cylinder 41, a molding auxiliary rod 42, a notch 43 and a clamping groove, wherein the servo electric cylinder 41 is fixed on the die holder 12, the molding auxiliary rod 42 is fixed at the end part of an output shaft of the servo electric cylinder 41, the notch 43 is formed on the side wall of a poured workpiece, the clamping groove is formed in the first embedded block 132, and the molding auxiliary rod 42 is abutted against the clamping groove; when injection molding is performed, the servo cylinder 41 can be started to drive the molding auxiliary rod 42 to be inserted into and close to the male die 13, so that a product with holes can be conveniently manufactured.
Referring to fig. 1 with emphasis, the ends of the mold core body 131, the first insert 132 and the second insert 133 are formed with a streamline arc structure after mold closing, the end side of the mold core body 131 has a plurality of convex structures 138, the convex structures 138 can facilitate mold opening, and the streamline arc structure can reduce stress concentration phenomenon of the product. The pouring nozzle is located on the end face of the mold core main body 131, the wedge-shaped face is arranged at the pouring nozzle, the stepped structure is arranged at the pouring nozzle, a channel communicated with the pouring nozzle is formed in the outer annular wall of the mold core main body 131, and the flow balance of molten plastics can be guaranteed through the wedge-shaped face, the stepped structure and the channel.
With reference to fig. 1 and 2, a first punch backing plate 17, a second punch backing plate 15 and a third punch backing plate 16 are fixed on the punch holder 11, the first punch backing plate 17, the second punch backing plate 15 and the third punch backing plate 16 are respectively fixed with the punch holder 11 through a plurality of bolts, and structural stability of the punch 13 can be improved by using the first punch backing plate 17, the second punch backing plate 15 and the third punch backing plate 16.
Referring to fig. 1 and 2, the guide structure 2 includes a main guide post 21, a main guide sleeve 22 and a -shaped guide channel 23, wherein the main guide post 21 is fixed on the female die holder 12 through a plurality of bolts and pins, the main guide sleeve 22 is fixed on the male die holder 11 through a plurality of bolts and pins, the -shaped guide channel 23 is arranged in the main guide sleeve 22 for sliding of the main guide post 21, and the matching of the main guide post 21 and the main guide sleeve 22 can improve the stability of die assembly; wherein the male die 13, the female die 14 and the die cavity are respectively provided with two groups, the male die holder 11 and the female die holder 12 are respectively provided with a plurality of mounting grooves for assisting the mounting of the male die holder 11 and the female die holder to the injection molding machine, and the production efficiency can be improved by adopting a multi-group injection molding structure.
When injection molding is performed, the male die holder 11 and the female die holder 12 can be respectively mounted on an injection molding machine, and before die assembly, the servo electric cylinder 41 can be started to drive the molding auxiliary rod 42 to be inserted into and close to the male die 13, so that a product with holes can be conveniently manufactured; in the subsequent injection molding process, the core body 131, the first insert 132, and the second insert 133 in the male mold 13 may be inserted into the cavity of the female mold 14, and then injection molding is performed between the male mold 13 and the cavity of the female mold 14 using the snap ring 31, the pouring cup 32, the pouring runner 33, and the nozzle in the injection system 3; after molding, the cold air duct 44 at the notch 43 can blow cold air after the molding auxiliary rod 42 is separated, promoting shrinkage of the product; when the die is opened, the power shaft 137 drives the hooking block 136 to pull the die core main body 131 to separate from the die 14, and the first insert 132 and the second insert 133 draw close to each other and generate a demolding angle when the die core main body 131 is pulled out, so that the problem of easy demolding of products without demolding angles is solved, zero-degree drawn products are convenient to manufacture, and the whole separation is convenient. This zero degree draft injection mold can realize the production of zero degree injection product, does not need to design the draft angle, and the product does not have the parting line, and product outward appearance zero degree does not have the draft angle, because general product all has the draft angle of at least 2 in order to facilitate the drawing of patterns, this product is because injection mold designs to 0 draft angle, and the product of production does not have the parting line that the draft produced, solves the problem that mould parting line is pleasing to the eye and the finished product unit price, and the product is kept somewhere at the master model after the die sinking, relies on the clearance of product shrink to solve the product strain problem to utilize the arm to get the piece afterwards.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (2)
1. The utility model provides a zero degree draft injection mold, includes public die holder (11) and female die seat (12), its characterized in that: a guiding structure (2) matched with a guiding mode is arranged between the male die holder (11) and the female die holder (12), a male die (13) is arranged on the male die holder (11), a female die (14) is arranged on the female die holder (12), a die cavity for zero-degree die drawing is formed between the male die (13) and the female die (14), an injection system (3) for injecting into the die cavity is arranged at the female die (14) and the male die (13), and an injection hole forming structure (4) for assisting in injection hole forming is arranged on the female die holder (12); the male die (13) comprises a die core main body (131), a first embedded block (132), a second embedded block (133), a supporting plate (134), a plurality of auxiliary rods (135), a hooking block (136) and a power shaft (137), wherein the auxiliary rods (135) are respectively fixed with a male die holder (11), the supporting plate (134) is fixed at the end part of the auxiliary rods (135), the die core main body (131) is embedded and clamped in the supporting plate (134), the first embedded block (132) and the second embedded block (133) are respectively connected with the die core main body (131) in a sliding manner, an internal avoidance groove for recovering the first embedded block (132) and the second embedded block (133) is formed in the die core main body (131), the power shaft (137) is connected in the male die holder (11) in a sliding manner, the hooking block (136) is fixed on the power shaft (137), and when the demolding action is performed, the hooking block (136) is firstly driven to pull the die core main body (131) to be separated from the female die (14), and the first embedded block (132) and the second embedded block (133) are separated from the die core main body (131) in a sliding manner when the whole body (133) is pulled out from the die core main body to be separated from the die main body (131) in a convenient manner; the injection system (3) comprises a clamping ring (31), a pouring cup (32), a pouring runner (33) and a pouring nozzle, wherein the clamping ring (31) is fixed in a female die holder (12), the pouring cup (32) is fixed at the end part of the clamping ring (31) through a screw, the pouring runner (33) is communicated with the pouring cup (32), and the pouring nozzle is positioned at the end part of the pouring runner (33); the injection molding pore-forming structure (4) comprises a servo electric cylinder (41), a molding auxiliary rod (42), a notch (43) and a clamping groove, wherein the servo electric cylinder (41) is fixed on a master die holder (12), the molding auxiliary rod (42) is fixed at the end part of an output shaft of the servo electric cylinder (41), the notch (43) is formed on the side wall of a poured workpiece, the clamping groove is formed in a first embedded block (132), the molding auxiliary rod (42) is abutted to the clamping groove, and a cold air conveying pipe (44) is arranged at the notch (43); the end parts of the mold core main body (131), the first embedded block (132) and the second embedded block (133) form a streamline arc structure together after mold closing, and the end side of the mold core main body (131) is provided with a plurality of convex structures (138); a first male die base (17), a second male die base (15) and a third male die base (16) are fixed on the male die base (11), and the first male die base (17), the second male die base (15) and the third male die base (16) are fixed with the male die base (11) through a plurality of bolts respectively; the guide structure (2) comprises a main guide post (21), a main guide sleeve (22) and a -shaped guide channel (23), wherein the main guide post (21) is fixed on a female die holder (12) through a plurality of bolts and pins, the main guide sleeve (22) is fixed on a male die holder (11) through a plurality of bolts and pins, and the -shaped guide channel (23) is arranged in the main guide sleeve (22) for the main guide post (21) to slide; the male die (13), the female die (14) and the die cavity are respectively provided with two groups, and a plurality of mounting grooves for assisting the male die base (11) and the female die base (12) in mounting the male die base and the female die base to the injection molding machine are respectively formed.
2. The zero degree draft injection mold of claim 1 wherein: the pouring nozzle is positioned on the end face of the mold core main body (131), the pouring nozzle is arranged to be a wedge-shaped surface, the pouring nozzle is provided with a step structure, and a channel communicated with the pouring nozzle is formed in the outer annular wall of the mold core main body (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311277161.0A CN117021493B (en) | 2023-10-07 | 2023-10-07 | Zero degree draft injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311277161.0A CN117021493B (en) | 2023-10-07 | 2023-10-07 | Zero degree draft injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117021493A CN117021493A (en) | 2023-11-10 |
| CN117021493B true CN117021493B (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311277161.0A Active CN117021493B (en) | 2023-10-07 | 2023-10-07 | Zero degree draft injection mold |
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| Country | Link |
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| CN (1) | CN117021493B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207273765U (en) * | 2017-10-17 | 2018-04-27 | 青岛海信模具有限公司 | Injection mold without pattern draft |
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