CN212400209U

CN212400209U - Shunting mechanism of injection mold

Info

Publication number: CN212400209U
Application number: CN202022949411.9U
Authority: CN
Inventors: 王军峰; 陈科润; 潘晨辉
Original assignee: NINGBO SWELL INDUSTRY CO LTD
Current assignee: NINGBO SWELL INDUSTRY CO LTD
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-01-26
Anticipated expiration: 2030-12-11

Abstract

The utility model discloses a reposition of redundant personnel mechanism of injection mold, including the die plate and set up the die core on the die plate, be provided with circular collection groove and a plurality of shaping chamber on the up end of die core, all shaping chambers are respectively through reposition of redundant personnel runner and collection groove intercommunication, be provided with on the die core with collect groove assorted turning block and be used for the locking subassembly with the turning block locking, be provided with first runner and the second runner that equals with reposition of redundant personnel runner quantity on the turning block, the rotatable setting of turning block is in collecting the inslot, first runner staggers with reposition of redundant personnel runner, all second runners are along equidistant distribution of circumferencial direction, second runner and reposition of redundant personnel runner one-to-one communicate; the method has the advantages of being beneficial to reducing the management difficulty and the manufacturing cost.

Description

Shunting mechanism of injection mold

Technical Field

The utility model belongs to the technical field of injection moulding, especially, relate to an injection mold's reposition of redundant personnel mechanism.

Background

With the development of society, the use amount of injection molding parts is getting bigger and bigger, and the conventional way is that a set of injection mold corresponds an injection molding part, can only prepare an injection molding part each time of moulding plastics. In order to improve the production efficiency, a plurality of injection molding cavities are usually arranged in one set of injection mold, the plurality of injection molding parts are parts on the same assembly, a plurality of injection molding parts can be simultaneously filled and molded by injection molding at each time, and the molded plurality of injection molding parts can directly form one assembly.

But at the in-process of a plurality of injection molding of the production of moulding plastics simultaneously, the bad problem of single injection molding can take place, and lack this injection molding of moulding plastics badly, and other injection molding can't form an assembly, can only mould plastics again and produce the injection molding that should lack, but the injection molding that can't form the assembly can only be done and scrapped the processing, is unfavorable for the production management and control, both increases the management degree of difficulty, increases manufacturing cost again.

Disclosure of Invention

The utility model aims to solve the technical problem that an injection mold's reposition of redundant personnel mechanism that is favorable to reducing the management degree of difficulty and manufacturing cost is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an injection mold's reposition of redundant personnel mechanism, includes the die block and sets up the die block on the die block, the up end of die block on be provided with circular shape collection groove and a plurality of shaping chamber, all shaping chamber respectively through reposition of redundant personnel runner with collection groove intercommunication, the die block on be provided with collection groove assorted turning block and be used for with the locking subassembly of turning block locking, the turning block on be provided with first runner and with reposition of redundant personnel runner quantity equal second runner, the rotatable setting of turning block be in collection inslot, first runner with reposition of redundant personnel runner stagger, all second runner along the equidistance distribution of circumferencial direction, the second runner with reposition of redundant personnel runner one-to-one intercommunication.

The lower end surface of the female die core is provided with a containing groove, the bottom of the containing groove is provided with a first through hole communicated with the gathering groove, the locking component comprises a connecting rod, a rotary table and a locking block, a first positioning groove and second positioning grooves with the same number as the flow dividing channels are arranged on the lower end surface of the rotary table, all the second positioning grooves are distributed at equal intervals along the circumferential direction, the first positioning groove and the second positioning groove are positioned on the same circumference, the upper end of the connecting rod passes through the first through hole and then is fixedly connected with the lower end surface of the rotating block, the lower end of the connecting rod is fixedly connected with the upper end of the rotary disc, the rotary disc is rotatably arranged in the accommodating groove, the locking block is inserted into the first positioning groove or the second positioning groove to lock the rotary disc. In this structure, when the locking piece inserted first constant head tank in, the second runner communicates with reposition of redundant personnel runner one-to-one, and first runner staggers with the reposition of redundant personnel runner, and when the locking piece inserted a second constant head tank in, first runner communicates with a reposition of redundant personnel runner that corresponds, and the second runner staggers with the reposition of redundant personnel runner to control a plurality of injection moldings of injection molding production or single injection molding, it is simple and convenient.

The female die plate is provided with a second through hole and a mandril, the locking block is slidably arranged in the second through hole, the upper end of the mandril stretches into the second through hole and abuts against the lower end surface of the locking block, and the upper end of the locking block stretches out of the second through hole and is inserted into the first positioning groove or the second positioning groove. In this structure, through ejector pin butt locking piece to adjust locking piece and carousel locking cooperation or unblock, reliable and stable.

The upper end of the locking block is fixedly provided with a limiting ball head, and the limiting ball head is inserted into the first positioning groove or the second positioning groove. In this structure, spacing bulb plays the guide effect, and the locking piece of being convenient for inserts fast in first constant head tank or a second constant head tank, is favorable to improving assembly efficiency.

The center position of the upper end face of the rotating block is provided with an inner hexagonal counter bore. In the structure, when the male mold core is separated from the female mold core, the inner hexagonal counter bore can be inserted into the inner hexagonal counter bore through the inner hexagonal wrench to rotate the rotating block, so that the rotating block is adjusted to a specified angle, and the structure is simple and convenient.

Compared with the prior art, the utility model has the advantages of through set up the turning block in the collection inslot, make second runner and reposition of redundant personnel runner one-to-one intercommunication during normal injection moulding production, first runner staggers with the reposition of redundant personnel runner, plastics after the hot melt can loop through the second runner, the reposition of redundant personnel runner is filled the shaping intracavity that corresponds, once can produce a plurality of injection moldings, when needs produce single injection molding, it makes first runner and a reposition of redundant personnel runner intercommunication to rotate the turning block, the second runner staggers with the reposition of redundant personnel runner this moment, plastics after the hot melt can loop through first runner, a reposition of redundant personnel runner is filled the shaping intracavity that corresponds, once only can produce single injection molding, the flexibility is better, be favorable to the production management and control, the management degree of difficulty and manufacturing cost have been reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the cavity insert of the present invention;

fig. 4 is a first schematic structural diagram of the rotating block and the locking assembly of the present invention;

FIG. 5 is a schematic structural view of a cavity insert of the present invention;

FIG. 6 is a schematic cross-sectional view of the cavity insert of the present invention;

FIG. 7 is a second schematic structural view of the rotating block and the locking assembly of the present invention;

FIG. 8 is an enlarged schematic view at A in FIG. 2;

fig. 9 is a first schematic structural view of the rotating block of the present invention in use;

fig. 10 is a schematic structural view of a second rotating block in use according to the present invention;

fig. 11 is a third schematic structural view of the rotating block of the present invention in use.

In the figure: 1. a master template; 11. a second through hole; 12. a top rod; 2. a cavity insert; 21. a collecting groove; 22. a molding cavity; 23. a flow dividing channel; 24. a containing groove; 25. a first through hole; 3. rotating the block; 31. a first flow passage; 32. a second flow passage; 33. an inner hexagonal counter bore; 4. a locking assembly; 41. a connecting rod; 42. a turntable; 421. a first positioning groove; 422. a second positioning groove; 43. a locking block; 431. a limiting ball head; 5. a female die fixing seat; 6. a core insert; 61. a main flow channel; 7. a male template; 71. a gate; 72. a squirt nozzle; 8. a male die fixing plate; 81. and (4) opening.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The first embodiment is as follows: as shown in fig. 1 to 11, a flow distribution mechanism of an injection mold comprises a cavity plate 1 and a cavity insert 2 arranged on the cavity plate 1, wherein a circular collection groove 21 and a plurality of molding cavities 22 are arranged on an upper end surface of the cavity insert 2, all the molding cavities 22 are respectively communicated with the collection groove 21 through flow distribution channels 23, a rotating block 3 matched with the collection groove 21 and a locking assembly 4 for locking the rotating block 3 are arranged on the cavity insert 2, a first flow channel 31 and second flow channels 32 with the same number as the flow distribution channels 23 are arranged on the rotating block 3, the rotating block 3 is rotatably arranged in the collection groove 21, the first flow channel 31 and the flow distribution channels 23 are staggered, all the second flow channels 32 are distributed at equal intervals along a circumferential direction, and the second flow channels 32 are communicated with the flow distribution channels 23 in a one-to-one correspondence manner.

In this embodiment, the female mold plate 1 is further provided with a female mold fixing seat 5 at a lower end thereof, the female mold 2 is provided with a male mold core 6, a male mold plate 7 and a male mold fixing plate 8 which are sequentially connected at an upper end thereof, the male mold core 6 is provided with a main runner 61, the male mold plate 7 is provided with a sprue 71 and a sprue 72, the sprue 72 is disposed in the sprue 71, a lower end of the sprue 72 extends into the main runner 61, the male mold fixing plate 8 is provided with an opening 81, the sprue 71 and the main runner 61 are sequentially communicated, when pouring, the male mold core 6 is matched with the female mold core 2, and a lower end of the main runner 61 is communicated with the collecting groove 21.

Example two: the rest of the structure is the same as that of the first embodiment, and the structure is different in that a receiving groove 24 is formed in the lower end face of the cavity 2, a first through hole 25 communicated with the collecting groove 21 is formed in the bottom of the receiving groove 24, the locking assembly 4 includes a connecting rod 41, a rotary table 42 and a locking block 43, a first positioning groove 421 and second positioning grooves 422 with the same number as the diversion flow channels 23 are formed in the lower end face of the rotary table 42, all the second positioning grooves 422 are distributed at equal intervals along the circumferential direction, the first positioning groove 421 and the second positioning grooves 422 are located on the same circumference, the upper end of the connecting rod 41 penetrates through the first through hole 25 and then is fixedly connected with the lower end face of the rotary block 3, the lower end of the connecting rod 41 is fixedly connected with the upper end of the rotary table 42, the rotary table 42 is rotatably arranged in the receiving groove 24, and the locking block 43 is inserted into the.

In this embodiment, the female mold plate 1 is provided with a second through hole 11 and a plunger 12, the locking block 43 is slidably disposed in the second through hole 11, the upper end of the plunger 12 extends into the second through hole 11 and abuts against the lower end surface of the locking block 43, and the upper end of the locking block 43 extends out of the second through hole 11 and is inserted into the first positioning groove 421 or the second positioning groove 422.

In this embodiment, a limiting ball 431 is fixedly disposed at the upper end of the locking block 43, and the limiting ball 431 is inserted into the first positioning groove 421 or the second positioning groove 422.

In this embodiment, a hexagonal counterbore 33 is provided in the center of the upper end surface of the rotating block 3.

Example three: the remaining portions are the same as those in the embodiment, but the difference is that two molding cavities 22 are provided, two diversion runners 23 are provided, two corresponding second runners 32 are provided, an included angle between the first runner 31 and the adjacent second runner 32 is 90 degrees, and two second positioning grooves 422 are provided.

As shown in fig. 9, when the locking block 43 is inserted into the first positioning groove 421, the second flow passages 32 are in one-to-one correspondence with the diversion flow passages 23, and the first flow passages 31 are staggered from the diversion flow passages 23; as shown in fig. 10, when the locking block 43 is inserted into one of the second positioning grooves 422, the first flow passage 31 communicates with one of the divided flow passages 23, and the second flow passage 32 is offset from the divided flow passage 23; as shown in fig. 11, when the locking block 43 is inserted into the other second positioning groove 422, the first flow passage 31 communicates with the other branch flow passage 23, and the second flow passage 32 is offset from the branch flow passage 23.

Example four: the remaining portions are the same as those in the embodiment, and the difference is that there are three molding cavities 22, three diversion channels 23, three corresponding second channels 32, an included angle between the first channel 31 and the adjacent second channel 32 is 60 degrees, and three second positioning grooves 422 are provided.

Claims

1. The utility model provides an injection mold's reposition of redundant personnel mechanism, includes the cavity board and sets up the cavity on the cavity board, the up end of cavity mould benevolence on be provided with circular shape collection groove and a plurality of shaping chamber, all shaping chamber respectively through reposition of redundant personnel runner with collection groove intercommunication, its characterized in that the cavity mould benevolence on be provided with collection groove assorted turning block and be used for with the locking subassembly of turning block locking, the turning block on be provided with first runner and with reposition of redundant personnel runner second runner that equals in quantity, the rotatable setting of turning block be in collection inslot, first runner with reposition of redundant personnel runner stagger, all second runner along the equidistance distribution of circumferencial direction, the second runner with reposition of redundant personnel runner one-to-one intercommunication.

2. The injection mold's reposition of redundant personnel mechanism of claim 1, characterized in that the lower terminal surface of cavity benevolence on be provided with the storage tank, the tank bottom of storage tank be provided with the first through-hole that gathers the groove intercommunication, the locking subassembly include connecting rod, carousel and locking block, the lower terminal surface of carousel on be provided with first constant head tank and with the reposition of redundant personnel runner quantity equal second constant head tank, all the second constant head tank along circumferencial direction equidistant distribution, first constant head tank with the second constant head tank be located same circumference, the upper end of connecting rod pass behind the first through-hole with the lower terminal surface fixed connection of rotating block, the lower extreme of connecting rod with the upper end fixed connection of carousel, the carousel rotatable setting in the storage tank, the locking block insert in first constant head tank or one the second constant head tank with the first constant head tank in with the rotation of rotating block, the lower extreme of connecting rod with the carousel in the storage tank, the second constant head tank in the locking block will the first constant head tank or one the And locking the turntable.

3. The flow dividing mechanism of an injection mold according to claim 2, wherein the female mold plate is provided with a second through hole and a plunger, the locking block is slidably disposed in the second through hole, an upper end of the plunger extends into the second through hole and abuts against a lower end surface of the locking block, and an upper end of the locking block extends out of the second through hole and is inserted into the first positioning groove or the second positioning groove.

4. The flow distribution mechanism of an injection mold according to claim 2, wherein a limiting ball is fixedly arranged at an upper end of the locking block, and the limiting ball is inserted into the first positioning groove or the second positioning groove.

5. The flow dividing mechanism of an injection mold according to claim 1, wherein a hexagonal counter bore is provided in a central position of an upper end surface of the rotating block.