CN220297729U - Demoulding mechanism for side mounting hole of injection mould of car lamp reflector - Google Patents
Demoulding mechanism for side mounting hole of injection mould of car lamp reflector Download PDFInfo
- Publication number
- CN220297729U CN220297729U CN202321981425.6U CN202321981425U CN220297729U CN 220297729 U CN220297729 U CN 220297729U CN 202321981425 U CN202321981425 U CN 202321981425U CN 220297729 U CN220297729 U CN 220297729U
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- slide block
- mounting hole
- core
- fixed
- plate
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- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 16
- 238000001746 injection moulding Methods 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Abstract
The side mounting hole demolding mechanism of the car lamp reflector injection mold comprises an upper compound plate and a lower compound plate, wherein the fixed die plate is arranged below the upper compound plate, the fixed die insert is arranged in the fixed die plate, the lower compound plate is provided with a die foot, an upper ejector plate, a lower ejector plate and an ejector pin, the die foot is provided with a movable die plate, the movable die insert and a side core-pulling slide block are arranged in the movable die plate, an injection molded car lamp reflector is arranged between the fixed die insert, the movable die insert and the side core-pulling slide block, reinforcing ribs and more than two mounting columns are arranged on the side surface of the car lamp reflector, mounting holes are arranged in the mounting columns, an elastic needle is arranged in the side core-pulling slide block, one end of the elastic needle penetrates through the side core-pulling slide block and is inserted into the mounting holes, the other end of the elastic needle is provided with a bump, a spring is arranged between the bump and the side core-pulling slide block, the side wall of the bump is provided with a limiting slide groove, the limiting block is matched with the outer wall of the side core-pulling slide block, the inner wall of the fixed die is provided with a straight top surface, and one end of the bump is matched with the straight top surface.
Description
Technical Field
The utility model relates to an injection mold, in particular to a demolding mechanism for a side mounting hole of an injection mold of a car lamp reflector.
Background
When adopting injection mold to produce plastic product, if the side system of plastic product has a plurality of convex erection columns and strengthening rib, the well system of erection column has the mounting hole, and the mounting hole has 20 mm's degree of depth, the internal diameter is less, the mounting hole department can produce the stranded gas, consequently, the mounting hole needs to use the needle structure of inlaying for the exhaust, the mode of having set up the side slider of loosing core in the side in injection mold usually, set up the needle in the slider of loosing core of side, the needle of inlaying is fixed mutually with the slider of loosing core of side, the head of inlaying the needle passes the slider of loosing core of side and cooperatees with the mounting hole, after the product injection molding, drive the slider of loosing core of side through power, the slider of loosing core of side drives the needle and moves the structure of taking out erection column and mounting hole together, but because the side of product distributes there is a large amount of strengthening rib, and the degree of depth of mounting hole is darker, lead to the adhesion between product and the slider of loosing core of side to be stronger (i.e. the side face of product is firmly on the slider of loosing core of side), when the slider of loosing core is loosing core to take side, the slider of loosing core of side is easy to drive the slider of loosing core together and remove the side slider of loosing core, and other positions of product draw off, lead to the product to the rejection rate.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a demoulding mechanism for a side mounting hole of an injection mould of a car lamp reflector, which ensures that a side mounting column and a mounting hole structure of a product can be smoothly subjected to core pulling and demoulding and improves the yield of the product.
The technical scheme of the demoulding mechanism for the side mounting hole of the injection mould of the car lamp reflector is as follows: the side core pulling slide block is driven by power, an injection molding car lamp reflector is arranged among the fixed die insert, the movable die insert and the side core pulling slide block, reinforcing ribs and more than two mounting columns are arranged on the side face of the car lamp reflector, mounting holes are formed in the mounting columns, one side of the side core pulling slide block is matched with the outer wall of the mounting columns, a spring needle is arranged in the side core pulling slide block, one end of the spring needle penetrates through the side core pulling slide block to be inserted into the mounting holes, a bump is arranged at the other end of the spring needle, a spring is arranged between the bump and the side core pulling slide block, a limit chute is arranged on the side wall of the bump, a limit block is arranged on the outer wall of the side core pulling slide block and is fixed with the side core pulling slide block through a fastener, the limit block is matched with the limit chute, a straight top face is arranged on the inner wall of the fixed die plate, and one end of the spring needle is matched with the straight top face of the bump.
Further, a sleeve and a fixed block are arranged in the side core-pulling sliding block, one end of the sleeve is contacted with the end face of the mounting column, the other end of the sleeve is contacted with the fixed block, the fixed block is fixed with the side core-pulling sliding block through a fastener, and the elastic needle penetrates through the fixed block and the sleeve to be matched with the mounting hole.
The demolding mechanism for the side mounting hole of the injection mold of the car lamp reflector has the beneficial effects that: when the side core-pulling sliding block performs side pulling, the side face of the car lamp reflecting mirror is limited and supported by the bullet, the car lamp reflecting mirror is prevented from moving to one side along with the side core-pulling sliding block, when the side core-pulling sliding block finishes side core pulling, the bullet needle rapidly falls out of the mounting hole of the car lamp reflecting mirror under the action of the spring, the bullet needle is delayed to fall out of the mounting hole, and therefore the car lamp reflecting mirror is guaranteed to be capable of smoothly pulling and demoulding, and the product yield is improved.
Drawings
FIG. 1 is a schematic diagram of a side mounting hole demolding mechanism of an injection mold for a vehicle lamp reflector;
FIG. 2 is a schematic diagram of the mated state of the reflector, side core-pulling slide block, spring needle, spring, sleeve and fixed block of the car lamp;
FIG. 3 is a perspective view showing the fitting state of the reflector, the spring pin, the spring, the sleeve and the fixing block of the car lamp;
fig. 4 is a schematic perspective view of a latch needle.
Detailed Description
The utility model relates to a demoulding mechanism for a side mounting hole of an injection mould of a car lamp reflector, which comprises an upper compound plate 1 and a lower compound plate 2, wherein the upper compound plate is provided with a fixed mould plate 3 at the lower part, a fixed mould insert 4 is arranged in the fixed mould plate, a mould foot 5 is arranged on the lower compound plate, an upper thimble plate 6, a lower thimble plate 7 and a thimble 8 are arranged on the lower compound plate between the mould feet, a movable mould plate 9 is arranged on the mould foot 5, a movable mould insert 10 and a side core-pulling slide block 11 are arranged in the movable mould plate, the side core-pulling slide block is driven by power, an injection moulding car lamp reflector 12 is arranged among the fixed mould insert 4, the movable mould insert 10 and the side core-pulling slide block 11, the side surface of the car lamp reflector is provided with a reinforcing rib 22 and more than two mounting columns 13, the installation post is internally provided with an installation hole 14, one side of the side core-pulling sliding block 11 is matched with the outer wall of the installation post 13, one end of the side core-pulling sliding block 11 is provided with a spring needle 15, one end of the spring needle penetrates through the side core-pulling sliding block 11 and is inserted into the installation hole 14, the other end of the spring needle is provided with a bump 23, a spring 16 is arranged between the bump and the side core-pulling sliding block 11, the side wall of the bump is provided with a limiting chute 17, the outer wall of the side core-pulling sliding block is provided with a limiting block 18, the limiting block is fixed with the side core-pulling sliding block through a fastener and is matched with the limiting chute 17, the inner wall of the fixed die plate 3 is provided with a straight top surface 19, and one end of the bump 23 is matched with the straight top surface.
Further, the side core-pulling slide block 11 is provided with a sleeve 20 and a fixing block 21, one end of the sleeve is contacted with the end face of the mounting column 13, the other end of the sleeve is contacted with the fixing block, the fixing block is fixed with the side core-pulling slide block through a fastener, and the elastic needle 15 passes through the fixing block 21 and the sleeve 20 to be matched with the mounting hole 14. The sleeve 20 is arranged, the wear resistance between the sleeve and the spring needle 15 is improved, the fixing block 21 plays a role in compressing and fixing the sleeve, after the sleeve is worn, the sleeve 20 is only needed to be replaced, the whole side core-pulling sliding block 11 is not needed to be replaced, and the replacement cost of consumed parts is reduced.
The utility model discloses a demoulding mechanism for side mounting holes of an injection mould of a car lamp reflector, which is characterized in that after the injection moulding of the car lamp reflector 12, a lower compound plate 2, a mould foot 5, an upper ejector plate 6, a lower ejector plate 7, an ejector pin 8, a movable mould plate 9, a movable mould insert 10, a side core-pulling slide block 11, an ejector pin 15, a car lamp reflector 12 and other movable mould side components move downwards together, the side components of the upper compound plate 1, the fixed mould plate 3, the fixed mould insert 4 and other fixed mould side components keep motionless, the mould gradually evolves from the fixed mould plate 3 and the movable mould plate 9, meanwhile, the side core-pulling slide block 11 is driven by power to gradually move outwards, so that a mounting column 13 and a reinforcing rib 22 on the side wall of the car lamp reflector 12 are firstly pulled out, a lug 23 on the ejector pin 15 is contacted with a straight top surface 19 on the inner wall of the fixed mould plate 3, the lug 23 is still kept motionless by the straight top surface, the ejector pin is still kept motionless by a plurality of ejector pins at the side walls of the car lamp reflector 12, the side core-pulling slide block 12 is prevented from moving together, the side core-pulling slide block moves gradually to extrude a spring 16, when the ejector pin 15 moves downwards, the ejector pin 23 and the ejector pin 19 moves outwards to make contact with the ejector pin 19 and the ejector pin 19 to the side surface to the upper side surface of the side surface to the side surface of the car reflector 12, and finally the ejector pin is contacted with the upper lug 17, and the ejector pin is pushed outwards by the ejector pin 19, and the ejector pin is contacted with the upper lug 19, and finally, the side surface is contacted with the upper ejector pin 13, and the side surface is contacted with the upper lug 13, and the side surface is pushed outwards by the ejector pin, and the ejector pin is contacted with the upper lug 13, and the ejector pin is moved outwards side surface, and finally, and the side is moved. According to the side mounting hole demolding mechanism of the automobile lamp reflector injection mold, when the side core-pulling sliding block 11 performs side pulling, the side face of the automobile lamp reflector 12 is limited and supported by the spring needle 15, the automobile lamp reflector 12 is prevented from moving to one side along with the side core-pulling sliding block 11, when the side core-pulling sliding block completes side core pulling, the spring needle rapidly falls out of the mounting hole 14 of the automobile lamp reflector 12 under the action of the spring 16, the spring needle is delayed to fall out of the mounting hole 14, and accordingly the automobile lamp reflector 12 can be guaranteed to perform core pulling and demolding smoothly, and the product yield is improved.
Claims (2)
1. Car light reflecting mirror injection mold side mounting hole demoulding mechanism, including last compound board (1) and compound board (2) down, go up compound board and set up fixed die plate (3) down, set up cover half insert (4) in the fixed die plate, set up mould foot (5) on compound board down, set up thimble board (6) on the compound board down between the mould foot, thimble board (7) and thimble (8) down, set up movable mould board (9) on mould foot (5), set up movable mould insert (10) and side slider (11) in the movable mould board, side slider is loosed core through power drive, there is injection moulding's car light reflecting mirror (12) between cover half insert (4), movable mould insert (10) and side slider (11), the side system of car light reflecting mirror has strengthening rib (22) and installing column (13) more than two, make mounting hole (14) in the installing column, one side of side slider (11) is loosed core slider (11) and outer wall matched with, its characterized in that: the side loose core slide block (11) in set up bullet needle (15), in inserting mounting hole (14) through side loose core slide block (11) in one end of bullet needle, another system of bullet needle has lug (23), sets up spring (16) between lug and the side loose core slide block (11), the lateral wall system of lug has spacing spout (17), sets up stopper (18) at the outer wall of side loose core slide block, the stopper is fixed mutually with the side loose core slide block through the fastener, the stopper cooperatees with spacing spout (17), fixed die plate (3) inner wall system have straight top surface (19), one end and the straight top surface of lug (23) cooperate.
2. The vehicle lamp reflector injection mold side-mounting hole demolding mechanism as claimed in claim 1, wherein: the side core-pulling sliding block (11) is internally provided with a sleeve (20) and a fixed block (21), one end of the sleeve is contacted with the end face of the mounting column (13), the other end of the sleeve is contacted with the fixed block, the fixed block is fixed with the side core-pulling sliding block through a fastener, and the elastic needle (15) penetrates through the fixed block (21) and the sleeve (20) to be matched with the mounting hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321981425.6U CN220297729U (en) | 2023-07-26 | 2023-07-26 | Demoulding mechanism for side mounting hole of injection mould of car lamp reflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321981425.6U CN220297729U (en) | 2023-07-26 | 2023-07-26 | Demoulding mechanism for side mounting hole of injection mould of car lamp reflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220297729U true CN220297729U (en) | 2024-01-05 |
Family
ID=89353189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321981425.6U Active CN220297729U (en) | 2023-07-26 | 2023-07-26 | Demoulding mechanism for side mounting hole of injection mould of car lamp reflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220297729U (en) |
-
2023
- 2023-07-26 CN CN202321981425.6U patent/CN220297729U/en active Active
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| GR01 | Patent grant |