CN114770880B - Injection mold explosion Ke Dingchu mechanism - Google Patents
Injection mold explosion Ke Dingchu mechanism Download PDFInfo
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- CN114770880B CN114770880B CN202210390156.XA CN202210390156A CN114770880B CN 114770880 B CN114770880 B CN 114770880B CN 202210390156 A CN202210390156 A CN 202210390156A CN 114770880 B CN114770880 B CN 114770880B
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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
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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
- B29C45/2618—Moulds having screw-threaded mould walls
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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
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention is suitable for the field of injection molds, and provides an injection mold explosion Ke Dingchu mechanism which comprises an upper ejector plate and a lower ejector plate, wherein the upper ejector plate and the lower ejector plate move between a top plate and a bottom plate, the upper ejector plate and the lower ejector plate are driven by a button machine assembly to move, an ejection assembly penetrates through the top plate and the bottom plate, the ejection assembly comprises an inner needle and an explosion cock, the inner needle is fixed on the bottom plate and connected to the inside of the explosion cock, and the explosion cock is fixed on the lower ejector plate; an ejector block assembly is fixed on the upper ejector plate and comprises an ejector rod and an ejector block head, the ejector rod is fixed on the upper ejector plate and penetrates through the ejector plate, the upper ejector plate and the lower ejector plate are driven by the button machine assembly to move simultaneously, the demolded products are separated from the inner needle by explosion Ke Dingchu, and the demolded products are ejected secondarily by the ejector block head under the driving of the ejector rod, so that the demolded products are separated from the explosion needle; the ejection assembly is matched with the ejection block assembly, so that the demolding efficiency is improved, and the stability of thread demolding is also improved.
Description
Technical Field
The invention belongs to the field of injection molds, and particularly relates to an explosion ejection mechanism of an injection mold.
Background
The injection mold is widely applied in the plastic industry and mainly comprises a pouring system, a guide system, a forming system, a cooling system, an ejection mechanism and the like, when products with complicated shapes such as side holes, undercuts and the like are processed, the products cannot be directly ejected, and the products must be ejected through a core-pulling structure or an inclined ejection mechanism, otherwise the products are easily damaged. With the progress of the mold processing technology level, the requirements on the appearance of products are higher and higher at present, the surface of a plurality of products requires a dermatoglyph effect, and the injection molding defects such as ejector pin marks, galling, scratches and the like cannot be caused. In order to smoothly separate a product from a model of a mold, a structure of an inclined ejecting block is generally adopted, which relates to the situation that two inclined ejecting blocks are arranged in a set of mold, and in the prior art, two inclined ejecting blocks with different movement directions are realized by respectively moving two separated mechanisms; the demoulding efficiency is greatly reduced, the mould manufacturing cost is also improved, the mould manufacturing difficulty is also increased, and the mould manufacturing period is prolonged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an explosion ejection mechanism of a plastic mould and an injection mould using the same, which can realize stable demoulding.
The invention is realized by the following steps: an injection mold explosion Ke Dingchu mechanism comprises an upper ejector plate and a lower ejector plate which are sequentially arranged, wherein the upper ejector plate and the lower ejector plate move between a top plate and a bottom plate which are arranged up and down, the upper ejector plate and the lower ejector plate are driven by a button machine assembly to move, an ejector assembly penetrates through the top plate and the bottom plate, the ejector assembly comprises an inner needle and an explosion button, the inner needle is fixed on the bottom plate and is connected to the inside of the explosion button in a sliding manner, the explosion button is fixed on the lower ejector plate, an ejector window is formed in the top plate, the explosion button penetrates through the upper ejector plate to move on the ejector window, and a limit column extending out of the upper ejector plate is arranged on the lower ejector plate;
the ejection block component is fixed on the upper ejector plate and is adjacent to the ejection component, the ejection block component comprises an ejector rod and an ejector block head, the ejector block head is fixed at the top of the ejector rod, the ejector rod is fixed on the upper ejector plate and penetrates through the ejector plate, the buckling machine component drives the upper ejector plate and the lower ejector plate to simultaneously move towards the direction of the ejector plate, the explosion Ke Dingchu demoulding product enables the demoulding product to be separated from the inner needle, then the buckling machine component continuously drives the upper ejector plate to move, and the ejector block head is driven by the ejector rod to secondarily eject the demoulding product, so that the demoulding product is separated from the explosion cork.
Furthermore, a positioning block and a pressing block are arranged in the lower ejector plate, the tail end of the explosion plug is fixedly connected with the positioning block, the pressing block is arranged at the lower end of the positioning block, and the explosion plug is connected and fixed with the positioning block and then abuts against the upper end face of the pressing block.
Furthermore, the top end and the tail end of the explosion cock are both provided with threads, a demoulding product is injected at the top end of the explosion cock, and the tail end of the explosion cock is in threaded connection with the positioning block.
Furthermore, an ejector rod connector is further arranged on the upper ejector plate and extends downwards through the lower ejector plate to the inside of the bottom plate.
Furthermore, the button machine subassembly includes button machine main part and button machine inserted bar, button machine inserted bar sliding connection in the button machine main part, the lower extreme of button machine main part is fixed in on the bottom plate, the upper end of button machine inserted bar is fixed in on the thimble board, the lower extreme of button machine inserted bar with the connection can be dismantled to the thimble board down.
Furthermore, a groove is formed in the position, corresponding to the button machine insertion rod, of the lower ejector plate, a button machine spring is arranged in the groove, a button machine elastic block extending out of the groove is arranged at one end of the button machine spring, when the upper ejector plate and the lower ejector plate are mutually abutted, the button machine elastic block is connected with the button machine insertion rod in a clinging mode, and a protruding block used for being abutted to the button machine insertion rod is arranged at the lower end of the button machine insertion rod.
Furthermore, a limit screw is arranged in the groove, a limit groove with a wide left side and a narrow right side is arranged in the button machine elastic block, and the limit screw sequentially penetrates through the limit groove and is fixed in the groove through the button machine spring.
Furthermore, a rear mold core is arranged on the top plate, the ejection window is arranged on the rear mold core, the shape of the ejection window is matched with that of the top of the explosion core, the ejection window is wide at the top and narrow at the bottom, and the ejector rod penetrates through the rear mold core to achieve the effect of secondary ejection.
Furthermore, the two sides of the explosion cock are respectively provided with one ejector block head, and each ejector block head is connected with two ejector rods.
According to the ejection mechanism of the injection mold explosion cork and the injection mold, the ejection assembly is matched with the ejector block assembly, when the injection mold is opened, the upper ejector plate and the lower ejector plate simultaneously move to drive the ejection assembly to move upwards so as to realize the primary ejection of a demolding product, at the moment, the explosion cork stops bouncing outwards to open the reversed thread, the ejector block assembly continues to move upwards to realize the secondary ejection, the demolding efficiency is improved, and the stability of thread demolding is also improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention.
FIG. 1 is a schematic diagram of the structure provided by the present invention.
Figure 2 is a side sectional view of the present invention.
Fig. 3 is a side sectional view of the present invention providing for the completion of the initial ejection.
Fig. 4 is a side sectional view of the present invention providing a second ejection.
The reference numbers illustrate: 1. an upper ejector plate; 11. a jack-stick connector; 2. a lower ejector plate; 21. positioning a block; 22. briquetting; 23. a limiting column; 3. a top plate; 31. ejecting the window; 32. a rear mold core; 4. a base plate; 5. a sear assembly; 51. a button machine main body; 52. inserting a rod of a button machine; 521. a bump; 53. a groove; 54. a button machine spring; 55. a button machine spring block; 551. a limiting groove; 56. a limiting screw; 6. ejecting the assembly; 61. an inner needle; 62. exploding the cork; 7. a top block assembly; 71. a top rod; 72. and (6) a top block head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, an injection mold explosion Ke Dingchu mechanism disclosed in the present invention includes an upper ejector plate 1 and a lower ejector plate 2, which are sequentially disposed, the upper ejector plate 1 and the lower ejector plate 2 move between a top plate 3 and a bottom plate 4 disposed above and below each other, the upper ejector plate 1 and the lower ejector plate 2 are driven by a button machine assembly 5 to move, specifically, the button machine assembly 5 includes a button machine main body 51 and a button machine insertion rod 52, the button machine insertion rod 52 is slidably connected in the button machine main body 51, the button machine insertion rod 52 is specifically disposed in a sliding slot disposed in the button machine main body 51, a lower end of the button machine main body 51 is fixed on the bottom plate 4, an upper end of the button machine insertion rod 52 is fixed on the upper ejector plate 1, and a lower end of the button machine insertion rod 52 is detachably connected to the lower ejector plate 2, that the button machine insertion rod 52 can simultaneously drive the upper ejector plate 1 and the lower ejector plate 2 to move up and down. Further, a groove 53 is formed in the position, corresponding to the button machine insertion rod 52, of the lower ejector plate 2, a button machine spring 54 is arranged in the groove 53, a button machine elastic block 55 extending out of the groove 53 is arranged at one end of the button machine spring 54, when the upper ejector plate 1 and the lower ejector plate 2 abut against each other, namely the upper ejector plate 1 and the lower ejector plate 2 do not move, or the button machine insertion rod 52 drives and drives the upper ejector plate 1 and the lower ejector plate 2 to move simultaneously, the button machine elastic block 55 and the button machine insertion rod 52 are connected in a clinging manner, and a projection 521 used for abutting against the button machine insertion rod 52 is arranged at the lower end of the button machine insertion rod 52. After the first ejection operation is completed, when the button machine insertion rod 52 only needs to drive the upper ejector plate 1 to move, the button machine insertion rod 52 continues to move upwards, the button machine elastic block 55 is extruded towards the inside of the groove 53 under the pressure of the projection 521, until the button machine elastic block 55 is completely pressed into the groove 53, the button machine insertion rod 52 is separated from the lower ejector plate 2, and then the button machine insertion rod 52 can continue to drive the upper ejector plate 1 to move upwards; at this time, the button machine elastic block 55 is rapidly ejected out of the groove 53 under the elastic force of the button machine spring 54, when two ejection operations are completed, that is, the button machine insertion rod 52 first drives the upper ejector plate 1 to move downward, the button machine elastic block 55 ejected out of the groove 53 is extruded into the groove 53 under the pressure of the projection 521 for two times, until the projection 521 moves to the lower side of the groove 53, the button machine elastic block 55 is ejected again to be in close fit with the projection 521, at this time, the upper ejector plate 1 and the lower ejector plate 2 recover to be in a state of abutting, and the button machine insertion rod 52 can simultaneously drive the upper ejector plate 1 and the lower ejector plate 2 to move downward to prepare for the next ejection operation. Preferably, a limit screw 56 is arranged in the groove 53, a limit groove 551 which is wide at the left and narrow at the right is arranged in the button machine spring block 55, the limit screw 56 sequentially penetrates through the limit groove 551 and is fixed in the groove 53 together with the button machine spring 54, so that the problem of clamping caused by position deviation generated when the button machine spring block 55 moves back and forth in the groove 53 is effectively avoided, and the smoothness of movement of the button machine spring block 55 is ensured.
An ejection assembly 6 penetrates between the top plate 3 and the bottom plate 4, the ejection assembly 6 comprises an inner needle 61 and an explosion core 62, the inner needle 61 is fixed on the bottom plate 4, extends upwards to sequentially penetrate through the lower ejector plate 2, the upper ejector plate 1 and the top plate 3, and is slidably connected inside the explosion core 62; the explosion plug 62 is fixed on the lower ejector plate 2, extends upwards to sequentially penetrate through the upper ejector plate 1 and the top plate 3, an ejector window 31 is formed in the top plate 3, and the explosion plug 62 penetrates through the upper ejector plate 1 to move on the ejector window 31. Preferably, a positioning block 21 and a pressing block 22 are arranged in the lower ejector plate 2, the tail end of the explosion cock 62 is fixedly connected with the positioning block 21, the pressing block 22 is arranged at the lower end of the positioning block 21, the explosion cock 62 is fixedly connected with the positioning block 21 and then abuts against the upper end face of the pressing block 22, the positioning block 21 is specifically fixed on the outer side face of the tail end of the explosion cock 62, the explosion cock 62 is stabilized in the moving process of the explosion cock 62, the situation of position deviation during ejection is avoided, and the stability of thread demoulding is improved. Further, the top and the tail end of the explosion cock 62 are both provided with threads, a demolding product is injected on the top of the explosion cock 62, the demolding product is specifically applied to a product needing outer side surface forming threads, the tail end of the explosion cock 62 is in threaded connection with the positioning block 21, and the explosion cock 62 is stably fixed and can be detached and installed more conveniently and conveniently, so that subsequent maintenance or replacement operation is facilitated.
An ejector block assembly 7 is fixed on the upper ejector plate 1, the ejector block assembly 7 is arranged adjacent to the ejector assembly 6, the ejector block assembly 7 comprises an ejector rod 71 and an ejector block head 72, the ejector block head 72 is fixed at the top of the ejector rod 71, the ejector rod 71 is fixed on the upper ejector plate 1 and penetrates through the ejector plate 3, the button machine assembly 5 drives the upper ejector plate 1 and the lower ejector plate 2 to move towards the direction of the ejector plate 3 simultaneously, the explosion button 62 ejects a demoulding product to separate the demoulding product from the inner needle 61, then the button machine assembly 5 continues to drive the upper ejector plate 1 to move, and the ejector block head 72 performs secondary ejection on the demoulding product under the driving of the ejector rod 71 to separate the demoulding product from the explosion button 62. Specifically, in order to realize the resetting and limiting of the explosion cock 62, the lower ejector plate 2 is provided with a limiting column 23 extending out of the upper ejector plate 1, the limiting column 23 extends out of the upper ejector plate by 135mm, so that the phenomenon that the explosion cock 62 is too large to bounce when moving to cause damage to a product is avoided, when the button machine inserting rod 52 simultaneously drives the upper ejector plate 1 and the lower ejector plate 2 to move, the explosion cock 62 gradually moves upwards under the driving of the lower ejector plate 2, meanwhile, the ejector block head 72 gradually moves upwards under the driving of the upper ejector plate 1, and at the moment, the position of the explosion cock 62 and the position of the ejector block head 72 are in a relatively static state. Starting the first product ejection operation, gradually separating the inner needle 61 from the position of the explosion cock 62, separating the demolded product from the inner needle 61 until the limiting column 23 abuts against the lower end face of the top plate 3, stopping the movement of the lower ejector plate 2, and completing the first ejection operation of the demolded product; the inserting rod 52 of the button machine is separated from the lower ejector plate 2 and continuously drives the upper ejector plate 1 to move, the ejector block head 72 continuously moves upwards and gradually generates a height difference with the explosion cork 62, and the ejector block head 72 ejects a demoulding product from the explosion cork 62 until the demoulding product is separated from the explosion cork 62, so that the second ejection work is completed. After the two-time ejection work is completed, the button machine insertion rod 52 drives the upper ejector plate 1 to move downwards until the upper ejector plate 1 and the lower ejector plate 2 abut against each other, the button machine insertion rod 52 can drive the upper ejector plate 1 and the lower ejector plate 2 to move downwards simultaneously, further, an ejector rod connector 11 is further arranged on the upper ejector plate 1, the ejector rod connector 11 extends downwards through the lower ejector plate 2 until the inner part of the bottom plate 4, in the process that the upper ejector plate 1 and the lower ejector plate 2 move downwards simultaneously, the ejector rod connector 11 is driven by the upper ejector plate 1 to move downwards gradually until the ejector rod connector is embedded into the inner part, namely the button machine insertion rod 52 stops driving, so that the whole ejection assembly 6 and the ejector block assembly 7 are reset to an initial state, and the mold closing ejection action is completed next time. The two-time ejection actions of the demolded product are completed in the vertical direction, namely the explosion cork 62 and the ejector block head 72 move in the same direction, so that the product demolding stability is greatly improved, the operation is simple, the manufacturing and operating difficulty of the whole set of mold is greatly reduced, and efficient and stable demolding of the threaded product is realized.
Specifically, a rear mold core 32 is arranged on the top plate 3, the ejection window 31 is arranged on the rear mold core 32, the shape of the ejection window 31 is matched with the shape of the top of the explosion core 62, the ejection window is wide at the top and narrow at the bottom, the ejection window can be matched with the positioning block 21 to limit the position of the explosion core 62 to a certain extent, so that more stable demolding work is achieved, and the ejector rod 71 penetrates through the rear mold core 32 to achieve the effect of secondary ejection. Furthermore, the two sides of the explosion cork 62 are respectively provided with one ejector block head 72, each ejector block head 72 is connected with two ejector rods 71, the contact area between a demoulded product and the ejector block heads 72 is increased, the demoulded product can be ejected more easily, the demoulded product can be separated from the explosion cork 62 more smoothly, and the thread demoulding efficiency is improved.
The present invention is not limited to the above preferred embodiments, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An injection mold explosion Ke Dingchu mechanism which is characterized in that: the ejection mechanism comprises an upper ejector plate (1) and a lower ejector plate (2) which are sequentially arranged, wherein the upper ejector plate (1) and the lower ejector plate (2) move between a top plate (3) and a bottom plate (4) which are arranged up and down, the upper ejector plate (1) and the lower ejector plate (2) are driven by a button machine assembly (5) to move, an ejection assembly (6) penetrates through between the top plate (3) and the bottom plate (4), the ejection assembly (6) comprises an inner needle (61) and an explosion button (62), the inner needle (61) is fixed on the bottom plate (4) and is slidably connected to the inside of the explosion button (62), the explosion button (62) is fixed on the lower ejector plate (2), an ejection window (31) is formed in the top plate (3), the explosion button (62) penetrates through the upper ejector plate (1) to move on the ejection window (31), and a limiting column (23) extending out of the upper ejector plate (1) is arranged on the lower ejector plate (2);
the ejection mechanism is characterized in that an ejector block assembly (7) is fixed on the upper ejector plate (1), the ejector block assembly (7) is arranged adjacent to the ejector assembly (6), the ejector block assembly (7) comprises an ejector rod (71) and an ejector block head (72), the ejector block head (72) is fixed at the top of the ejector rod (71), the ejector rod (71) is fixed on the upper ejector plate (1) and penetrates through the top plate (3), the button machine assembly (5) drives the upper ejector plate (1) and the lower ejector plate (2) to move towards the direction of the top plate (3) simultaneously, the explosion button machine (62) ejects a demolding product to separate the demolding product from the inner needle (61), then the button machine assembly (5) continues to drive the upper ejector plate (1) to move, and the ejector block head (72) performs secondary ejection on the demolding product under the driving of the ejector rod (71), so that the demolding product is separated from the explosion button machine (62).
2. An injection mold explosion Ke Dingchu mechanism as in claim 1, wherein: a positioning block (21) and a pressing block (22) are arranged in the lower ejector plate (2), the tail end of the explosion plug (62) is fixedly connected with the positioning block (21), the pressing block (22) is arranged at the lower end of the positioning block (21), and the explosion plug (62) is fixedly connected with the positioning block (21) and then abuts against the upper end face of the pressing block (22).
3. An injection mold detonation Ke Dingchu mechanism as in claim 2 wherein: the top end and the tail end of the explosion cork (62) are both provided with threads, a demoulding product is injected at the top end of the explosion cork (62), and the tail end of the explosion cork (62) is in threaded connection with the positioning block (21).
4. An injection mold explosion Ke Dingchu mechanism as in claim 1, wherein: the upper ejector plate (1) is further provided with an ejector rod connector (11), and the ejector rod connector (11) extends downwards through the lower ejector plate (2) to the inside of the bottom plate (4).
5. An injection mold detonation Ke Dingchu mechanism as in claim 1 wherein: the button sewing machine is characterized in that the button sewing machine component (5) comprises a button sewing machine main body (51) and a button sewing machine inserted bar (52), the button sewing machine inserted bar (52) is slidably connected into the button sewing machine main body (51), the lower end of the button sewing machine main body (51) is fixed on the bottom plate (4), the upper end of the button sewing machine inserted bar (52) is fixed on the upper ejector plate (1), and the lower end of the button sewing machine inserted bar (52) is detachably connected with the lower ejector plate (2).
6. An injection mold detonation Ke Dingchu mechanism as in claim 5 wherein: lower thimble board (2) correspond the position of detaining quick-witted inserted bar (52) has seted up recess (53), be equipped with in recess (53) and detain quick-witted spring (54), the one end of detaining quick-witted spring (54) is equipped with and stretches out detain quick-witted bullet piece (55) of recess (53), works as go up thimble board (1) with during thimble board (2) support each other to lean on down, detain quick-witted bullet piece (55) with detain quick-witted inserted bar (52) and hug closely and be connected, the lower extreme of detaining quick-witted inserted bar (52) be equipped with be used for supporting and lean on in lug (521) on detaining quick-witted inserted bar (52).
7. An injection mold detonation Ke Dingchu mechanism as in claim 6 wherein: a limit screw (56) is arranged in the groove (53), a limit groove (551) which is wide at the left and narrow at the right is arranged in the button machine elastic block (55), and the limit screw (56) sequentially penetrates through the limit groove (551) and the button machine spring (54) to be fixed in the groove (53).
8. An injection mold detonation Ke Dingchu mechanism as in claim 1 wherein: the ejection mechanism is characterized in that a rear die core (32) is arranged on the top plate (3), the ejection window (31) is arranged on the rear die core (32), the shape of the ejection window (31) is matched with the shape of the top of the explosion core (62) and is wide at the top and narrow at the bottom, and the ejector rod (71) penetrates through the rear die core (32) to achieve the secondary ejection effect.
9. An injection mold detonation Ke Dingchu mechanism as in claim 8 wherein: the two sides of the explosion cock (62) are respectively provided with one ejector block head (72), and each ejector block head (72) is connected with two ejector rods (71).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210390156.XA CN114770880B (en) | 2022-04-14 | 2022-04-14 | Injection mold explosion Ke Dingchu mechanism |
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| CN202210390156.XA CN114770880B (en) | 2022-04-14 | 2022-04-14 | Injection mold explosion Ke Dingchu mechanism |
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| CN114770880A CN114770880A (en) | 2022-07-22 |
| CN114770880B true CN114770880B (en) | 2023-02-10 |
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| CN208645893U (en) * | 2018-07-12 | 2019-03-26 | 东明兴业科技股份有限公司 | A kind of secondary ejection structure of injection mold |
| CN212764506U (en) * | 2020-06-11 | 2021-03-23 | 东莞市忠域模具有限公司 | Secondary ejection injection mold |
| CN112936773A (en) * | 2021-01-25 | 2021-06-11 | 南通银宝山新科技有限公司 | Ejection mechanism and injection mold |
| CN215550675U (en) * | 2021-09-01 | 2022-01-18 | 深圳市泰兴源科技有限公司 | Secondary ejection type die |
| CN216068518U (en) * | 2021-09-03 | 2022-03-18 | 南通银宝山新科技有限公司 | Double-layer ejector plate secondary ejection mechanism and injection mold |
| CN114311556A (en) * | 2022-01-06 | 2022-04-12 | 宁波方正汽车模具股份有限公司 | Injection mold convenient to drawing of patterns |
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