CN218701012U - Forced demoulding secondary ejection structure of injection mold - Google Patents

Abstract

The utility model is suitable for a mould technical field provides a forced demoulding secondary ejection structure of injection mould, including A board and the B board that open and shut each other, the one end that the A board is close to the B board is equipped with the front mould flitch, be equipped with a plurality of front mould inserts on the front mould flitch, the back mould silo of adaptation front mould flitch is seted up to the one end of B board, the front mould insert stretches into to the back mould silo, the below of B board is equipped with the motion board that moves through the drive of dotter subassembly, be equipped with a plurality of back mould inserts that pass the B board and stretch into to the back mould silo on the motion board, each back mould insert corresponds the setting with a front mould insert, the product shaping is between front mould insert and back mould insert, the dotter subassembly still drives to move and has a thimble, the thimble passes motion board and back mould insert in proper order and pushes out the product; the moving plate and the rear mold insert are driven by the button machine assembly to eject the product for the first time, and the button machine assembly drives the ejector pin to move again to eject the product for the second time, so that the product is ejected smoothly.

Description

Forced demoulding secondary ejection structure of injection mold

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to injection mold's forced demoulding secondary is ejecting structure.

Background

Injection molding is a common molding method for plastic parts, and is widely used in industrial production. For plastic bottle cap products with reversed threads, a tooth extraction structure is generally adopted in the prior art, namely a motor is utilized to drive a tooth extraction insert to rotate through a driving gear to realize tooth extraction, the structure is complex, the manufacturing cost is high, in the tooth extraction process by adopting the motor, if the gear is contacted by a slide, the motor continues to rotate through inertia, the thread of the product is easily damaged, and the thread of the product is blocked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an injection mold's strong ejecting structure of secondary that takes off.

The utility model discloses a realize like this: the forced demoulding secondary ejection structure of the injection mould comprises an A plate and a B plate which are mutually opened and closed, wherein a front mould material plate is arranged at one end, close to the B plate, of the A plate, a plurality of front mould inserts are arranged on the front mould material plate, a rear mould material groove matched with the front mould material plate is formed in one end of the B plate, the front mould inserts extend into the rear mould material groove, a moving plate driven to move through a buckling machine assembly is arranged below the B plate, a plurality of rear mould inserts which penetrate through the B plate and extend into the rear mould material groove are arranged on the moving plate, each rear mould insert corresponds to one front mould insert, a product is formed between the front mould inserts and the rear mould inserts, a thimble is driven to move by the buckling machine assembly, and the thimble sequentially penetrates through the moving plate and the rear mould inserts and ejects the product.

Further, the below of B board is equipped with PMKD, PMKD is from supreme faller, the first faller of going up and the second of being equipped with down in proper order down, the one end of detaining the quick-witted subassembly is fixed in on the PMKD, the other end can drive simultaneously down the faller first go up the faller with the faller removes on the second, be fixed with on the faller down and pass in proper order first go up the faller with the support post of faller on the second, the one end of support post with motion plate fixed connection, the one end of thimble is fixed in on the second go up the faller.

Further, the button machine assembly comprises a button machine plate, the lower end of the button machine plate is fixedly connected with the fixed bottom plate, a button machine pulling plate is connected to the button machine plate in a sliding mode, the upper end of the button machine pulling plate is fixedly connected with the first upper needle plate, an elastic assembly is arranged on the lower needle plate, and the lower end of the button machine pulling plate is connected with the elastic assembly in an abutting mode.

Furthermore, the lower needle plate is provided with a sliding groove, the elastic component comprises a spring and an elastic block, the spring is arranged in the sliding groove, and the elastic block is arranged at one end of the spring and can extend out of the sliding groove.

Furthermore, a supporting plate is arranged below the plate B, a mounting groove matched with the moving plate is formed in the supporting plate, the moving plate is embedded into the mounting groove, a groove matched with the moving plate is formed in the other end of the plate B, and the moving plate is driven by the supporting column to move between the mounting groove and the groove.

The utility model provides a pair of injection mold's ejecting structure of secondary of taking off by force, motion plate and back mould mold insert carry out ejecting for the first time to the product under the drive of knot machine subassembly for the lateral surface of product is ejecting earlier, detains the machine subassembly and continues the drive thimble again and remove, and the middle part of aiming at the product carries out ejecting for the second time, makes the product ejecting smoothly, has replaced traditional motor drive ejecting mode, guarantees that the complete of product is ejecting.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described 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 intended to illustrate and explain the present invention and do not limit the scope of the invention.

Fig. 1 is a schematic structural diagram provided by the present invention.

Fig. 2 is an exploded view of the structure provided by the present invention.

Fig. 3 is a side sectional view provided by the present invention.

Fig. 4 is a schematic structural view of the fastening assembly of the present invention.

Fig. 5 is a schematic view of the position cooperation of the front mold insert, the rear mold insert and the ejector pin in the present invention.

The reference numbers illustrate: 1. a, a plate; 2. b, plate; 3. a front mold plate; 4. a front mold insert; 5. a rear mold trough; 6. a sear assembly; 61. a fastening plate; 62. pulling a plate by a button machine; 63. a spring; 64. a spring block; 7. a sports board; 8. a rear mold insert; 9. a thimble; 10. fixing a bottom plate; 11. a lower needle plate; 111. a chute; 12. a first upper needle plate; 13. a second upper needle plate; 14. a support column; 15. a pallet; 151. and (7) installing a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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.

Please refer to fig. 1-5, which are illustrations of a forced demoulding secondary ejection structure of an injection mold disclosed in the present invention, the structure comprises an a plate 1 and a B plate 2 that are opened and closed, wherein a front mold material plate 3 is disposed at one end of the a plate 1 close to the B plate 2, a plurality of front mold inserts 4 are disposed on the front mold material plate 3, and a thread is formed on the outer side surface of each front mold insert 4 according to the production requirement. A rear mold trough 5 matched with the front mold plate 3 is formed in one end of the B plate 2, the front mold inserts 4 extend into the rear mold trough 5, a moving plate 7 driven to move by a button machine assembly 6 is arranged below the B plate 2, a plurality of rear mold inserts 8 penetrating through the B plate 2 and extending into the rear mold trough 5 are arranged on the moving plate 7, each rear mold insert 8 corresponds to one front mold insert 4, a product is formed between the front mold insert 4 and the rear mold insert 8, similarly, according to production requirements, threads are formed on the outer side surfaces of the rear mold inserts 8, in the embodiment, through holes are formed in the middle of the rear mold inserts 8, thread portions of the front mold inserts 4 are embedded into the through holes, gaps are formed between the outer side surfaces of the front mold inserts 4 and the through holes, inner threads are formed in the product forming and the through holes, that is, inner threads are formed on the front mold inserts 4, and thread inverted surfaces are formed on the rear mold inserts 8.

The button machine assembly 6 is also driven to move by a thimble 9, and the thimble 9 sequentially penetrates through the moving plate 7 and the rear mold insert 8 and ejects a product. Specifically, the below of B board 2 is equipped with PMKD 10, PMKD 10 is from supreme faller 11, first last faller 12 and the second of being equipped with down in proper order down, the one end of button machine subassembly 6 is fixed in on the PMKD 10, the other end can drive simultaneously faller 11 down faller 12 first last faller 12 with faller 13 removes on the second, be fixed with down on the faller 11 and pass in proper order first last faller 12 with the support column 14 of faller 13 is gone up to the second, the one end of support column 14 with motion plate 7 fixed connection. That is, the lower needle plate 11 moves under the driving of the sear assembly 6, and the lower needle plate 11 moves the supporting columns 14, so that the moving plate 7 moves. One end of the ejector pin 9 is fixed on the second upper needle plate 13, and similarly, the second upper needle plate 13 is driven by the button machine assembly 6 to move, and the second upper needle plate 13 drives the ejector pin 9 to move.

Specifically, detain quick-witted subassembly 6 including detaining quick-witted board 61, detain quick-witted board 61 the lower extreme with PMKD 10 fixed connection, sliding connection has detain quick-witted arm-tie 62 on detaining quick-witted board 61, detain quick-tie 62 the upper end with faller 12 fixed connection on the first, be equipped with elastic component down on the faller 11, detain quick-tie 62 the lower extreme with elastic component supports to lean on and connects. The lower needle plate 11 is provided with a sliding groove 111, the elastic component comprises a spring 63 and an elastic block 64, the spring 63 is arranged in the sliding groove 111, and the elastic block 64 is arranged at one end of the spring 63 and can extend out of the sliding groove 111. When the plate a 1 and the plate B2 are opened, the front mold insert 4 and the rear mold insert 8 are gradually separated, the product is reversed on the rear mold insert 8, and then the sear pulling plate 62 slides upwards in the sear plate 61, so that the lower pin plate 11, the first upper pin plate 12 and the second upper pin plate 13 simultaneously move upwards, the lower pin plate 11 drives the supporting columns 14 to move upwards, and the supporting columns 14 drive the moving plate 7 to move, so that the rear mold insert 8 is lifted upwards. Preferably, a supporting plate 15 is arranged below the B plate 2, the supporting plate 15 is provided with a mounting groove 151 matched with the moving plate 7, the moving plate 7 is embedded into the mounting groove 151, the other end of the B plate 2 is provided with a groove matched with the moving plate 7, the moving plate 7 is driven by the supporting column 14 to move between the mounting groove 151 and the groove, and the mounting groove 151 and the groove are matched to limit the movement displacement of the moving plate 7 to a certain extent, so that the rear mold insert 8 can slightly jack up the outer side surface of a product, the outer side surface of the product is expanded outwards, and the connection between the product and the rear mold insert 8 is loose.

When the rear mold insert 8 jacks up a product for the first time, the lower pin plate 11 moves to the limit position under the driving of the button machine pulling plate 62, that is, the lower pin plate 11 stops moving, and the button machine pulling plate 62 drives the first upper pin plate 12 and the second upper pin plate 13 to move upwards continuously. Specifically, when the lower needle plate 11 stops moving, the lower end of the button machine pulling plate 62 abuts against the elastic block 64, the elastic block 64 is gradually pressed into the chute 111 by the lower end of the button machine pulling plate 62 under the action of the spring 63, so that the button machine pulling plate 62 is separated from the lower needle plate 11 and then drives the first upper needle plate 12 and the second upper needle plate 13 to continue moving upwards, the ejector pin 9 passes through the rear mold insert 8 under the driving of the second upper needle plate 13 to eject a product for the second time upwards, the ejector pin 9 is preferably aligned with the middle of the product to eject, the outer side surface of the product is expanded outwards through the first ejection of the rear mold insert 8, and then the ejector pin 9 is aligned with the middle to eject for the second time, so that the inner side button threads of the product cannot be ejected thoroughly, the production yield is further improved, and the production quality is ensured.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements or improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (5)

1. The utility model provides an injection mold's ejecting structure of forced demoulding secondary which characterized in that: the mould buckling device comprises an A plate and a B plate which are mutually opened and closed, wherein a front mould material plate is arranged at one end of the A plate close to the B plate, a plurality of front mould inserts are arranged on the front mould material plate, a rear mould material groove matched with the front mould material plate is formed in one end of the B plate, the front mould inserts extend into the rear mould material groove, a moving plate driven to move through a buckling machine assembly is arranged below the B plate, a plurality of rear mould inserts which penetrate through the B plate and extend into the rear mould material groove are arranged on the moving plate, each rear mould insert corresponds to one front mould insert, a product is formed between the front mould inserts and the rear mould inserts, the buckling machine assembly is further driven to move to form an ejector pin, and the ejector pin sequentially penetrates through the front mould material plate and the rear mould inserts and ejects the product.

2. The forced demoulding secondary ejection structure of the injection mold according to claim 1, which is characterized in that: the below of B board is equipped with PMKD, PMKD is from supreme faller, the first faller of going up and the second of being equipped with down in proper order down, the one end of detaining quick-witted subassembly is fixed in on the PMKD, the other end can drive simultaneously faller down the first faller with the faller removes on the second, be fixed with down and pass in proper order on the faller first go up the faller with the support post of faller on the second, the one end of support post with motion plate fixed connection, the one end of thimble is fixed in on the second go up the faller.

3. The forced demoulding secondary ejection structure of the injection mould as claimed in claim 2, wherein: the button machine assembly comprises a button machine plate, the lower end of the button machine plate is fixedly connected with the fixed base plate, a button machine pulling plate is connected to the button machine plate in a sliding mode, the upper end of the button machine pulling plate is fixedly connected with the first upper needle plate, an elastic assembly is arranged on the lower needle plate, and the lower end of the button machine pulling plate is abutted to the elastic assembly for connection.

4. The forced demoulding secondary ejection structure of the injection mould as claimed in claim 3, wherein: the lower needle plate is provided with a sliding groove, the elastic component comprises a spring and an elastic block, the spring is arranged in the sliding groove, and the elastic block is arranged at one end of the spring and can extend out of the sliding groove.

5. The forced demoulding secondary ejection structure of the injection mould as claimed in claim 2, wherein: the supporting plate is arranged below the plate B, the supporting plate is provided with a mounting groove matched with the moving plate, the moving plate is embedded into the mounting groove, the other end of the plate B is provided with a groove matched with the moving plate, and the moving plate is driven by the supporting column to move between the mounting groove and the groove.

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