CN211165065U

CN211165065U - Based on mould with demolding guide pillar injection mold

Info

Publication number: CN211165065U
Application number: CN201921690784.XU
Authority: CN
Inventors: 崔明
Original assignee: Qingdao Mingqing Electromechanical Co ltd
Current assignee: Qingdao Mingqing Electromechanical Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-08-04
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a based on mould is with demolding guide pillar injection mold, it includes the lower mould and goes up the mould, it is located the top of lower mould to go up the mould, the die cavity has been seted up at the upper surface middle part of lower mould, the lower surface middle part of going up the mould is provided with the moulding-die, the lower surface four corners department of lower mould all is provided with the guide slot, the lower surface four corners department of going up the mould all is provided with the guide pillar, guide slot and guide pillar looks adaptation. Above-mentioned because the below of mould is provided with the connecting block with demolding guide pillar injection mold through at the spliced pole, buffer spring and elastic connector on the connecting block have played the effect of preliminary buffering, be provided with the bush through the outside at the spliced pole, compression spring on the bush has played the effect of secondary buffering, can effectually alleviate the impact that mould and lower mould closed in-process produced, the efficiency of mould punching press has been improved, simultaneously through the spliced pole and the cooperation setting of first guide way and bush and second guide way, the punching press precision of mould has been improved.

Description

Based on mould with demolding guide pillar injection mold

Technical Field

The utility model relates to a mould especially relates to a based on mould is with demolding guide pillar injection mold.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

The injection mold generally includes an upper mold and a lower mold, a mold cavity is formed inside the upper mold and the lower mold when the upper mold and the lower mold are closed, and the upper mold is generally driven by a cylinder to open and close the upper mold and the lower mold. The guide pillar is the mould part with guide pin bushing cooperation use, and guide pillar and guide pin bushing play the guide effect, can ensure the accuracy when the terrace die and the die combination of mould, can produce the striking when the last lower mould among the current injection mold closes, and current guide pillar does not possess buffering shock-absorbing structure mostly, and long-time striking can cause the damage of last lower mould.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a based on demolding guide pillar injection mold for mould to the guide pillar does not possess buffering shock-absorbing structure among the solution prior art, leads to the problem of the damage of upper and lower mould.

Another object of the utility model is to provide a work flow based on demolding guide pillar injection mold for mould to guide pillar does not possess buffering shock-absorbing structure among the solution prior art, leads to the problem of the damage of upper and lower mould.

To achieve the purpose, the utility model adopts the following technical proposal:

a demolding guide pillar injection mold based on a mold comprises a lower mold and an upper mold, wherein the upper mold is positioned above the lower mold, guide grooves are formed in four corners of the lower surface of the lower mold, guide pillars are arranged in the four corners of the lower surface of the upper mold, and the guide grooves are matched with the guide pillars;

the guide pillar includes the spliced pole, the top and last mould fixed connection of spliced pole, the below of spliced pole is provided with the connecting block, the top middle part fixedly connected with guide bar of connecting block, the slot has been seted up at the bottom middle part of spliced pole, the top of guide bar is located the slot, buffer spring has been cup jointed in the outside of guide bar, buffer spring's both ends are connected respectively spliced pole and connecting block, the lag has been cup jointed in buffer spring's the outside, spliced pole and connecting block are connected respectively at the both ends of lag, the bush has been cup jointed in the middle part outside of spliced pole, the guide slot includes first guide way and second guide way, first guide way is located the bottom of second guide way, spliced pole and first guide way looks adaptation, bush and second guide way looks adaptation.

As a further improvement of the scheme, inclined planes are arranged at the opening parts of the first guide groove and the second guide groove, and the diameter of the second guide groove is larger than that of the first guide groove.

As a further improvement of the scheme, the bottom end of the connecting block is fixedly connected with an elastic connector, and the diameter of the elastic connector is larger than that of the connecting block.

As a further improvement of the scheme, the top end of the bushing is connected with the upper die through a plurality of compression springs distributed in an annular array mode, the bottom end of the bushing is arranged to be an inclined plane, and the bottom end of the bushing is connected with a rubber connecting layer in an adhering mode.

As a further improvement of the scheme, the fixed blocks are embedded at the two ends of the outer side of the middle of the connecting column, the ball grooves are formed in the surfaces of the fixed blocks, and balls are arranged in the ball grooves.

As a further improvement of the scheme, the inner wall of the lining is provided with a sliding groove, and the sliding groove is matched with the ball.

As a further improvement of the scheme, a die groove is formed in the middle of the upper surface of the lower die, a pressing die is arranged in the middle of the lower surface of the upper die, and the pressing die is matched with the die groove.

The beneficial effects of the utility model are that, compared with the prior art based on mould is provided with the connecting block through the below at the spliced pole with demolding guide pillar injection mold, buffer spring and elastic connection head on the connecting block have played the effect of preliminary buffering, be provided with the bush through the outside at the spliced pole, compression spring on the bush has played the effect of secondary buffering, can effectually alleviate the impact that mould and lower mould closed in-process produced, the efficiency of mould punching press has been improved, simultaneously through the cooperation setting of spliced pole and first guide way and bush and second guide way, the punching press precision of mould has been improved.

Drawings

Fig. 1 is a schematic structural view of an injection mold based on a mold-used mold-releasing guide pillar according to an embodiment of the present invention;

fig. 2 is a schematic structural section view of a guide pillar of an injection mold based on an injection mold guide pillar for mold stripping according to an embodiment of the present invention;

fig. 3 is a schematic structural section view of a guide groove of an injection mold based on an injection mold guide post for a mold according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Referring to fig. 1 to 3, in the embodiment, as shown in fig. 1, a mold-stripping guide pillar injection mold based on a mold includes a lower mold 1 and an upper mold 2, the upper mold 2 is located above the lower mold 1, a mold cavity 3 is formed in the middle of the upper surface of the lower mold 1, a pressing mold 4 is arranged in the middle of the lower surface of the upper mold 2, the pressing mold 4 is adapted to the mold cavity 3, through such arrangement, the apparatus can perform a stamping operation, guide grooves 5 are formed in four corners of the lower surface of the lower mold 1, guide pillars 6 are formed in four corners of the lower surface of the upper mold 2, the guide grooves 5 are adapted to the guide pillars 6, and the arrangement of the guide grooves 5 and the guide pillars 6 improves the stamping efficiency and.

As shown in fig. 2, the guide post 6 includes a connecting post 7, the top end of the connecting post 7 is fixedly connected with the upper die 2, a connecting block 8 is arranged below the connecting post 7, a guide rod 9 is fixedly connected with the middle part of the top end of the connecting block 8, a slot 10 is arranged in the middle part of the bottom end of the connecting post 7, the top end of the guide rod 9 is positioned in the slot 10, a buffer spring 11 is sleeved on the outer side of the guide rod 9, two ends of the buffer spring 11 are respectively connected with the connecting post 7 and the connecting block 8, a protecting sleeve 12 is sleeved on the outer side of the buffer spring 11, the protecting sleeve 12 plays a role in protecting the buffer spring 11, two ends of the protecting sleeve 12 are respectively connected with the connecting post 7 and the connecting block 8, a lining 13 is sleeved on the outer side of the middle part of the connecting post 7, an elastic connector 16 is fixedly connected with the, the top end of the bush 13 is connected with the upper die 2 through a plurality of compression springs 17 distributed in an annular array, the bottom end of the bush 13 is arranged to be an inclined surface, through the arrangement, the bush 13 is convenient to move into the second guide groove 15, the bottom end of the bush 13 is connected with a rubber connecting layer 18 in an adhering mode, and the arrangement of the rubber connecting layer 18 plays a role in protecting the second guide groove 15 and the bush 13;

specifically, fixed block 19 has all been inlayed at the middle part outside both ends of spliced pole 7, and ball groove 20 has been seted up on the surface of fixed block 19, and the inside in ball groove 20 is provided with ball 21, has seted up spout 22 on the inner wall of bush 13, and spout 22 and ball 21 looks adaptation have reduced the frictional force of bush 13 with spliced pole 7 through such setting for bush 13 is convenient for remove.

As shown in fig. 3, the guide groove 5 includes a first guide groove 14 and a second guide groove 15, the openings of the first guide groove 14 and the second guide groove 15 are both provided with inclined surfaces, the diameter of the second guide groove 15 is greater than that of the first guide groove 14, the first guide groove 14 is located at the bottom end of the second guide groove 15, the connecting column 7 is matched with the first guide groove 14, and the bushing 13 is matched with the second guide groove 15, so that the matching between the guide column 6 and the guide groove 5 can improve the punching precision of the die.

The specific work flow of the injection mold based on the demolding guide pillar for the mold comprises the following steps:

1): firstly, pressing a lower die 1 and an upper die 2 together to enable a guide groove 5 to be matched with a guide pillar 6;

2): in the process of connecting the guide groove 5 and the guide post 6, the connecting block 8 is firstly inserted into the first guide groove 14, the elastic connector 16 at the bottom end of the connecting block 8 is contacted with the grassland of the first guide groove 14, then the connecting post 7 is inserted into the first guide groove 14, the buffer spring 11 is compressed and stressed at the moment to play a role of buffering, and the guide rod 9 is inserted into the slot 10 to play a role of guiding the connecting block 8;

3): then the bush 13 is inserted into the second guide groove 15 until the rubber connecting layer 18 on the bush 13 is connected with the groove bottom 3 of the second guide groove 15, then the bush 13 moves upwards under pressure, at the moment, the ball 21 moves in the sliding groove 22, the friction force between the bush 13 and the connecting column 7 is reduced, the compression spring 17 is compressed and stressed, and the buffering effect is achieved;

4): through the action of the guide post 6 of the guide groove 5, the pressing die 4 can be accurately pressed into the guide groove 5, and the punching efficiency and the precision of the die are improved.

The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The injection mold comprises a lower mold and an upper mold, and is characterized in that the upper mold is positioned above the lower mold, four corners of the lower surface of the lower mold are provided with guide grooves, four corners of the lower surface of the upper mold are provided with guide pillars, and the guide grooves are matched with the guide pillars;

2. The ejector column injection mold for mold-based molds according to claim 1, wherein the openings of the first and second guide grooves are provided with inclined surfaces, and the diameter of the second guide groove is larger than the diameter of the first guide groove.

3. The injection mold for the mold-based demolding guide pillar as claimed in claim 1, wherein the bottom end of the connecting block is fixedly connected with an elastic connector, and the diameter of the elastic connector is larger than that of the connecting block.

4. The injection mold for the mold-based demolding guide pillar as claimed in claim 1, wherein the top end of the bushing is connected to the upper mold through a plurality of compression springs distributed in an annular array, the bottom end of the bushing is provided with an inclined surface, and the bottom end of the bushing is bonded with a rubber connecting layer.

5. The injection mold for the mold-based demolding guide pillar as claimed in claim 1, wherein the connecting pillar has fixing blocks embedded at both ends of the middle portion thereof, the fixing blocks having ball grooves formed on the surfaces thereof, and balls disposed inside the ball grooves.

6. The injection mold for the mold-based demolding guide pillar as claimed in claim 5, wherein the inner wall of the bushing is provided with a sliding groove, and the sliding groove is matched with the ball.

7. The injection mold for the mold-based demolding guide pillar as claimed in claim 1, wherein a mold cavity is formed in the middle of the upper surface of the lower mold, and a pressing mold is arranged in the middle of the lower surface of the upper mold and is matched with the mold cavity.