CN218462812U - Plastic injection mold easy to demould - Google Patents

Plastic injection mold easy to demould Download PDF

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Publication number
CN218462812U
CN218462812U CN202222511346.0U CN202222511346U CN218462812U CN 218462812 U CN218462812 U CN 218462812U CN 202222511346 U CN202222511346 U CN 202222511346U CN 218462812 U CN218462812 U CN 218462812U
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China
Prior art keywords
connecting rod
mould
groove
fixedly connected
injection mold
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CN202222511346.0U
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Chinese (zh)
Inventor
周烈国
李广
邹家聪
左海龙
李福绵
刘平
刘国强
许维良
董红燕
唐兵
柯常龙
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Dongtai Precision Plastic Technology Shenzhen Co ltd
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Dongtai Precision Plastic Technology Shenzhen Co ltd
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Abstract

The utility model discloses a plastic injection mold of easy drawing of patterns, the on-line screen storage device comprises a base, the fixedly connected with bed die of center department at base top, the top of base is provided with the mould component. The utility model discloses when using, mould downstream in driving through the cylinder, and then make the mould and bed die carry out the compound die and form the die cavity, make depression bar promotion lifter plate downstream simultaneously, the cover spring resets of extrusion simultaneously, then will mould plastics the raw materials and pour into the die cavity through the mouth of moulding plastics in, treat the raw materials cooling shaping back in the die cavity, mould upward movement to suitable position on driving by the cylinder, simultaneously under the spring action of cover spring resets, drive the lifter plate, the head rod, the second connecting rod, third connecting rod and ejecting piece upwards carry out reset motion, and then through the ejecting lower mould of the product after ejecting piece will be shaping, thereby accomplish the automatic drawing of patterns, through above step, can realize the automatic drawing of patterns, and simple structure, therefore, the clothes hanger is strong in practicability, provide very big facility for the user.

Description

Plastic injection mold easy to demould
Technical Field
The utility model relates to an injection mold technical field specifically is a plastic injection mold of easy demoulding.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. A processing method for mass production of plastic parts with complex shapes. Injecting the heated and melted plastic into the mold cavity at high pressure by an injection molding machine, and cooling and solidifying to finally obtain a formed product.
Through retrieval, a patent with the application number of CN201720123442.4 discloses a high-efficiency injection mold, which comprises an injection mold bottom plate, wherein a plastic mold lower mold is arranged above the injection mold bottom plate, an injection mold lower core material is arranged above the plastic mold lower mold, a plastic mold lower mold body bottom plate is arranged at the top of the injection mold lower core material, an injection mold guide pillar is arranged on one side of the plastic mold lower mold body bottom plate, an injection mold upper core material is arranged above the injection mold lower core material, and a plastic mold upper mold is arranged above the injection mold upper core material; the utility model is provided with eight injection mold guide pillars, so that the situation that the connection between the upper core material of the injection mold and the lower core material of the injection mold is not firm can not occur when the size of the mold is enlarged, and the use is more convenient and safer; the utility model discloses enlarged the size, so six plastic products of one shot forming for production efficiency uprises, and the speed of production becomes faster, uses convenience more.
However, in practical use, the above technical solutions have the following disadvantages: after the injection molding is completed, the injection molding product after cooling molding is not easy to take out of the mold cavity, great inconvenience is brought to a user, and the processing efficiency of the injection mold is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plastic injection mold of easy drawing of patterns to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a plastic injection mold easy to demould comprises a base, wherein a lower mold is fixedly connected to the center of the top of the base, an upper mold assembly is arranged on the top of the base, a demoulding mechanism is arranged inside the lower mold, and a lower forming groove is formed in the center of the top of the lower mold;
demoulding mechanism includes lift groove, lifter plate, head rod, spacing mouth, cover spring resets, second connecting rod, third connecting rod, logical groove and ejecting piece, the lift groove has all been seted up to the left and right sides at base top, the inside swing joint in lift groove has the lifter plate, the center fixedly connected with head rod of department of lifter plate bottom, spacing mouth has been seted up to the position that the base top corresponds the head rod, the bottom of head rod runs through lift groove and spacing mouth in proper order and extends to the outside of spacing mouth, the head rod surface just is located the inside cover in lift groove and is equipped with the cover spring that resets, two bottom between the head rod is through second connecting rod fixed connection, the third connecting rod that two symmetries of top fixedly connected with of second connecting rod set up, logical groove has been seted up to the position that the bed die bottom corresponds the third connecting rod, the movable hole has been seted up to the position that the base bottom corresponds the third connecting rod, the top of third connecting rod runs through movable hole and logical groove in proper order and extends to the inside in logical groove, the top fixedly connected with ejecting piece in third connecting rod.
Further, go up the membrane module and include stand, roof, cylinder, go up the mould, mould plastics mouthful and depression bar, the equal fixedly connected with stand in the left and right sides at base top, two the top and the roof fixed connection of stand, the bottom center department fixedly connected with cylinder of roof, the bottom fixedly connected with of cylinder goes up the mould, the bottom of going up the mould and the top swing joint of bed die, the center department of going up the mould bottom has seted up the shaping groove, form the die cavity when going up mould and bed die compound die, the mouth of moulding plastics has been seted up at last mould top, the equal fixedly connected with depression bar in the left and right sides of going up the mould bottom, the bottom of depression bar runs through the inside that goes up the lift groove and extend to the lift groove.
Furthermore, the first connecting rod is movably connected with the limiting port.
Furthermore, the first connecting rod is movably connected with the lifting groove.
Furthermore, the third connecting rod is movably connected with the through groove, and the third connecting rod is movably connected with the movable hole.
Further, the surface of the ejection block is in movable contact with the inner wall of the through groove.
Furthermore, the bottom of the pressure lever is movably contacted with the top of the lifting plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses when using, mould downstream in driving through the cylinder, and then make the mould carry out the compound die with the bed die and form the die cavity, make depression bar promotion lifter plate downstream simultaneously, the cover spring that resets is extruded simultaneously, then in injecting into the die cavity through the mouth of moulding plastics with the raw materials of moulding plastics, treat the raw materials cooling shaping back in the die cavity, mould upstream to suitable position in driving by the cylinder, simultaneously under the spring action of cover spring that resets, drive the lifter plate, the head rod, the second connecting rod, third connecting rod and ejecting piece upwards carry out reset motion, and then through the ejecting lower mould of the product after ejecting piece will be moulded, thereby accomplish automatic demoulding, through above step, can realize automatic demoulding, and simple structure, therefore, the clothes hanger is strong in practicability, provide very big facility for the user.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of the demolding mechanism of the present invention;
fig. 3 is a schematic structural view of the lifting plate of the present invention.
In the figure: 1. a base; 2. a lower die; 3. an upper die assembly; 301. a column; 302. a top plate; 303. a cylinder; 304. an upper die; 305. an injection molding port; 306. a pressure lever; 4. a demolding mechanism; 401. a lifting groove; 402. a lifting plate; 403. a first connecting rod; 404. a limiting port; 405. resetting the spring; 406. a second connecting rod; 407. a third connecting rod; 408. a through groove; 409. and (6) ejecting the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an easy-to-demold plastic injection mold includes a base 1, a lower mold 2 fixedly connected to a center of a top of the base 1, an upper mold assembly 3 disposed on the top of the base 1, a demolding mechanism 4 disposed inside the lower mold 2, and a lower molding groove disposed at the center of the top of the lower mold 2.
The demolding mechanism 4 comprises a lifting groove 401, a lifting plate 402, first connecting rods 403, limit openings 404, a reset sleeve spring 405, a second connecting rod 406, a third connecting rod 407, a through groove 408 and an ejection block 409, the lifting groove 401 is formed in each of the left side and the right side of the top of the base 1, the lifting plate 402 is movably connected inside the lifting groove 401, the first connecting rod 403 is fixedly connected to the center of the bottom of the lifting plate 402, the limit openings 404 are formed in positions, corresponding to the first connecting rods 403, of the top of the base 1, the bottom of the first connecting rod 403 sequentially penetrates through the lifting grooves 401 and the limit openings 404 and extends to the outside of the limit openings 404, the reset sleeve spring 405 is sleeved on the surface of the first connecting rod 403 and located inside the lifting groove 401, the bottom between the two first connecting rods 403 is fixedly connected through the second connecting rod 406, the top of the second connecting rod 406 is fixedly connected with two symmetrically arranged third connecting rods 407, the through groove 408 is formed in positions, corresponding to the bottom of the lower mold 2, corresponding to the third connecting rod 407, a movable hole is formed in the position, the top of the third connecting rod 407, the movable hole and the through hole and the through 408, and the top of the through groove 408, and the ejection block 409 are connected to the top of the through block 407.
When the concrete implementation, go up mould assembly 3 and include stand 301, roof 302, cylinder 303, go up mould 304, mouth 305 and depression bar 306 mould plastics, the equal fixedly connected with stand 301 in the left and right sides at base 1 top, the top and roof 302 fixed connection of two stands 301, fixedly connected with cylinder 303 is located at the bottom center of roof 302, mould 304 is gone up to the bottom fixedly connected with of cylinder 303, the bottom of going up mould 304 and the top swing joint of bed die 2, the shaping groove has been seted up to the center department of going up mould 304 bottom, form the die cavity when going up mould 304 and the compound die of bed die 2, mouth 305 of moulding plastics has been seted up at last mould 304 top, the equal fixedly connected with depression bar 306 in the left and right sides of going up mould 304 bottom, the bottom of depression bar 306 runs through lift groove 401 and extends to the inside of lift groove 401.
In a specific implementation, the first connecting rod 403 is movably connected with the limiting opening 404.
In practical application, the first connecting rod 403 is movably connected with the lifting groove 401.
In a specific implementation, the third connecting rod 407 is movably connected to the through slot 408, and the third connecting rod 407 is movably connected to the movable hole.
In practice, the surface of the ejection block 409 is in movable contact with the inner wall of the through slot 408.
In particular embodiments, the bottom of the plunger 306 is in movable contact with the top of the lifter plate 402.
The working principle is as follows: the utility model discloses when using, drive mould 304 downstream through cylinder 303, and then make mould 304 and bed die 2 carry out the compound die and form the die cavity, make depression bar 306 promote lifter plate 402 downstream simultaneously, extrude simultaneously and reset set spring 405, reset set spring 405 in fig. 1 is in compression state, then will mould plastics the raw materials and pour into the die cavity through mouth 305 of moulding plastics, treat behind the raw materials cooling shaping in the die cavity, drive mould 304 upward movement to suitable position by cylinder 303, simultaneously under the spring action of reset set spring 405, drive lifter plate 402, head rod 403, second connecting rod 406, third connecting rod 407 and ejecting block 409 upwards carry out the motion that resets, and then through ejecting block 409 ejecting bed die 2 of the product after with the shaping, thereby accomplish the automatic drawing of patterns, through above step, can realize the automatic drawing of patterns, and simple structure, therefore, the clothes hanger is strong in practicability, provide very big facility for the user.
The utility model discloses the electrical components who appears in all are connected with external master controller electricity to the master controller can be for the computer etc. plays the conventional known equipment of control, the utility model discloses the circuit and the control that relate to in are prior art, do not have here too much repeated description.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The plastic injection mold easy to demould is characterized by comprising a base (1), wherein a lower mold (2) is fixedly connected to the center of the top of the base (1), an upper mold assembly (3) is arranged on the top of the base (1), a demoulding mechanism (4) is arranged inside the lower mold (2), and a lower forming groove is formed in the center of the top of the lower mold (2);
the demolding mechanism (4) comprises a lifting groove (401), a lifting plate (402), a first connecting rod (403), a limiting port (404), a reset sleeve spring (405), a second connecting rod (406), a third connecting rod (407), a through groove (408) and an ejection block (409), wherein the lifting groove (401) is formed in the left side and the right side of the top of the base (1), the lifting plate (402) is movably connected in the lifting groove (401), the first connecting rod (403) is fixedly connected to the center of the bottom of the lifting plate (402), the limiting port (404) is formed in the position, corresponding to the first connecting rod (403), of the top of the base (1), the bottom of the first connecting rod (403) sequentially penetrates through the lifting groove (401) and the limiting port (404) and extends to the outside of the limiting port (404), the reset sleeve spring (405) is sleeved on the surface of the first connecting rod (403) and positioned in the lifting groove (401), the bottom between the two first connecting rods (403) is fixedly connected through the second connecting rod (406), the top of the second connecting rod (406) is fixedly connected with two symmetrically arranged third connecting rods (407), the position, the lower hole (407) of the third connecting rod (408) corresponds to the position of the lower portion of the die (407), the top of the third connecting rod (407) penetrates through the movable hole and the through groove (408) in sequence and extends into the through groove (408), and the top of the third connecting rod (407) is fixedly connected with an ejection block (409).
2. The plastic injection mold easy to be demolded as claimed in claim 1, wherein: go up mould subassembly (3) including stand (301), roof (302), cylinder (303), go up mould (304), mouth (305) and depression bar (306) of moulding plastics, equal fixedly connected with stand (301) in the left and right sides at base (1) top, two the top and roof (302) fixed connection of stand (301), fixedly connected with cylinder (303) are located to the bottom center of roof (302), mould (304) are gone up to the bottom fixedly connected with of cylinder (303), the bottom of going up mould (304) and the top swing joint of bed die (2), the center department of going up mould (304) bottom has seted up the shaping groove, form the die cavity when going up mould (304) and bed die (2) compound die, it moulds mouthful (305) to go up mould (304) top to have seted up, the equal fixedly connected with depression bar (306) in the left and right sides of going up mould (304) bottom, the bottom of depression bar (306) runs through lift groove (401) and extends to the inside of lift groove (401).
3. The plastic injection mold easy to demold according to claim 1, wherein: the first connecting rod (403) is movably connected with the limiting port (404).
4. The plastic injection mold easy to be demolded as claimed in claim 1, wherein: the first connecting rod (403) is movably connected with the lifting groove (401).
5. The plastic injection mold easy to be demolded as claimed in claim 1, wherein: the third connecting rod (407) is movably connected with the through groove (408), and the third connecting rod (407) is movably connected with the movable hole.
6. The plastic injection mold easy to be demolded as claimed in claim 1, wherein: the surface of the ejection block (409) is movably contacted with the inner wall of the through groove (408).
7. The plastic injection mold easy to release as claimed in claim 2, wherein: the bottom of the pressure lever (306) is movably contacted with the top of the lifting plate (402).
CN202222511346.0U 2022-09-22 2022-09-22 Plastic injection mold easy to demould Active CN218462812U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222511346.0U CN218462812U (en) 2022-09-22 2022-09-22 Plastic injection mold easy to demould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222511346.0U CN218462812U (en) 2022-09-22 2022-09-22 Plastic injection mold easy to demould

Publications (1)

Publication Number Publication Date
CN218462812U true CN218462812U (en) 2023-02-10

Family

ID=85144874

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222511346.0U Active CN218462812U (en) 2022-09-22 2022-09-22 Plastic injection mold easy to demould

Country Status (1)

Country Link
CN (1) CN218462812U (en)

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