CN211993901U

CN211993901U - Elastic supporting structure for injection mold

Info

Publication number: CN211993901U
Application number: CN201922235215.2U
Authority: CN
Inventors: 郭昧琴
Original assignee: Xuzhou Feiyun Foam Products Co ltd
Current assignee: Xuzhou Feiyun Foam Products Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-11-24
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses an elastic supporting structure for an injection mold, which comprises a bottom plate, wherein the top end of the bottom plate is movably connected with a push plate, the top end of the push plate is movably connected with a supporting plate, a cavity is arranged inside the supporting plate, notches are symmetrically arranged at the positions, corresponding to the cavities, of the top end of the supporting plate, a movable plate is slidably connected at the position, corresponding to the notches, of the middle part of the cavity, and supporting blocks are symmetrically and fixedly connected at the positions, corresponding to the notches, of the top end of the movable plate, the utility model has the advantages of scientific and reasonable structure, safe and convenient use, and is provided with the supporting plate, the cavity, the notches, the movable plate, the supporting block and a spring, and replaces the traditional supporting rod to support and fix the lower mold through the supporting block, thereby, the lower die is prevented from being broken due to overlarge force, and the service life of the lower die is guaranteed.

Description

Elastic supporting structure for injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an elastic support structure for injection mold.

Background

In the injection mold, a support rod is used for supporting and fixing a lower template and helping the lower template bear the force, and the support rod is usually fixed in a fixed block and matched with a sliding groove on the fixed block;

however, the supporting surface of the existing supporting rod is small, the supporting strength of the existing supporting rod to the lower mold is not enough, and meanwhile, the force applied to the lower mold cannot be reduced, so that the lower mold is easy to break, in addition, during injection molding, the tailing and the finished material are still connected, and the finished material needs to be cut off after being taken out, which affects demolding and wastes time.

SUMMERY OF THE UTILITY MODEL

The utility model provides an elastic support structure for injection mold, the holding surface that can effectively solve the bracing piece that proposes in the above-mentioned background art is less, and is not enough to the support intensity of bed die, can not alleviate the power that the bed die received simultaneously, makes the bed die fracture easily, and in addition when moulding plastics, still be connected between tails and the finished product, need take out excising after the finished product, both influenced the drawing of patterns, the problem of time-wasting again.

In order to achieve the above object, the utility model provides a following technical scheme: an elastic supporting structure for an injection mold comprises a bottom plate, wherein the top end of the bottom plate is movably connected with a push plate, the top end of the push plate is movably connected with a supporting plate, a cavity is formed in the supporting plate, notches are symmetrically formed in positions, corresponding to the cavity, of the top end of the supporting plate, a movable plate is connected to the middle of the cavity in a sliding mode, supporting blocks are symmetrically and fixedly connected to positions, corresponding to the notches, of the top end of the movable plate, and springs are fixedly connected to the top end and the bottom end;

the utility model discloses a supporting shoe top fixedly connected with bed die, bed die top fixedly connected with goes up the mould, go up mould top middle part position department fixed connection mouth of moulding plastics, the inside passageway of moulding plastics of having seted up of mouth of moulding plastics, the mouth outer end bottom fixedly connected with sleeve of moulding plastics, the inside department of moulding plastics mouthful bottom position of corresponding of sleeve has seted up the swivelling chute, the inside equidistance fixedly connected with pivot of the passageway outside position department that corresponds of moulding plastics of swivelling chute, the pivot outer end is rotated and is connected with the spinning blade, the spinning blade is close to pivot one end outside position department fixedly connected with connecting rod, spinning blade one end fixedly connected with knob is kept away from to the connecting rod, the knob is.

Preferably, the length and the width of the movable plate are equal to those of the chamber, the springs at the top end of the movable plate are correspondingly installed on the outer sides of the supporting blocks, and the springs at the bottom end of the movable plate are equidistantly distributed at the bottom of the chamber.

Preferably, the rotating groove penetrates through the outer end of the sleeve, and the rotating groove is communicated with the injection molding channel.

Preferably, the width of the rotary blade close to one end of the rotating shaft is larger than the width of the end far away from the rotating shaft, a groove is formed in the end of the rotary blade close to the rotating shaft, and the radian of the rotary blade is equal to that of the injection molding channel.

Preferably, the top end of the supporting plate corresponds to the position of the two sides of the notch and is fixedly connected with a limiting rod, the top positions of the two ends of the lower die are fixedly connected with a lower limiting block, and the bottom positions of the two ends of the upper die are fixedly connected with an upper limiting block.

Preferably, the top ends of the lower limiting block and the upper limiting block are provided with through holes, and the axle center of the through hole and the axle center of the limiting rod are located on the same vertical line.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with backup pad, cavity, notch, fly leaf, supporting shoe and spring, replace traditional bracing piece support fixed bed die through the supporting shoe, not only increase the support intensity of bed die, improve stability, simultaneously through the flexible characteristic of spring, make the fly leaf float in the cavity is inside to the power that the bed die received is slowed down, avoids the bed die because the fracture appears in the dynamics is too big, has guaranteed the life-span that the bed die used.

2. Be provided with the mouth of moulding plastics, the passageway of moulding plastics, the sleeve, the swivelling chute, the pivot, the spinning blade, the connecting rod, knob and recess, through rotating the knob, make the knob drive the connecting rod and rotate to it is rotatory to drive the spinning blade and enclosing the pivot, excises the inside tails of the passageway of moulding plastics, and then the inside model of mould can directly become the shape that needs, raises the efficiency, conveniently accomodates the spinning blade through the recess, avoids the spinning blade influence to mould plastics.

3. Be provided with gag lever post, spacing piece down, go up spacing piece and through-hole, make the gag lever post pass spacing piece down and last spacing piece through the through-hole to the position between the fixed bed die of restriction and the last mould prevents the skew of appearing between bed die and the last mould, and the deviation appears in the mould material of avoiding the shaping, guarantees the quality of processing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the mounting structure of the movable plate of the present invention;

FIG. 3 is a schematic view of the mounting structure of the rotary blade of the present invention;

reference numbers in the figures: 1. a base plate; 2. pushing the plate; 3. a support plate; 4. a chamber; 5. a notch; 6. a movable plate; 7. a support block; 8. a spring; 9. a lower die; 10. an upper die; 11. an injection molding port; 12. injection molding a channel; 13. a sleeve; 14. a rotating tank; 15. a rotating shaft; 16. a rotary blade; 17. a connecting rod; 18. a knob; 19. a limiting rod; 20. a lower limiting block; 21. an upper limit block; 22. a through hole; 23. and (4) a groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-3, the utility model provides a technical scheme, an elastic supporting structure for an injection mold, which comprises a bottom plate 1, a push plate 2 is movably connected on the top end of the bottom plate 1, a supporting plate 3 is movably connected on the top end of the push plate 2, a cavity 4 is arranged inside the supporting plate 3, notches 5 are symmetrically arranged at the positions of the top end of the supporting plate 3 corresponding to the cavity 4, a movable plate 6 is slidably connected at the middle position of the cavity 4, supporting blocks 7 are symmetrically and fixedly connected at the positions of the top end of the movable plate 6 corresponding to the notches 5, springs 8 are fixedly connected at the top end and the bottom, in order to increase the elastic supporting effect of the supporting block 7 on the lower die 9, the length and the width of the movable plate 6 are equal to those of the chamber 4, the spring 8 at the top end of the movable plate 6 is correspondingly installed at the outer side of the supporting block 7, and the springs 8 at the bottom end of the movable plate 6 are equidistantly distributed at the bottom of the chamber 4;

the top end of the supporting block 7 is fixedly connected with a lower die 9, the top end of the lower die 9 is fixedly connected with an upper die 10, the middle position of the top end of the upper die 10 is fixedly connected with an injection port 11, an injection channel 12 is arranged inside the injection port 11, the bottom of the outer end of the injection port 11 is fixedly connected with a sleeve 13, a rotary groove 14 is arranged inside the sleeve 13 corresponding to the bottom of the injection port 11, the rotary groove 14 penetrates through the outer end of the sleeve 13 in order to facilitate the rotation of the rotary blade 16, the rotary groove 14 is communicated with the injection channel 12, a rotary shaft 15 is fixedly connected with the inner part of the rotary groove 14 at an equal distance corresponding to the outer side position of the injection channel 12, the outer end of the rotary shaft 15 is rotatably connected with the rotary blade 16, in order to facilitate the tail material cutting, the width of one end, close to the rotary blade 16, close to the rotary shaft 15, is, a connecting rod 17 is fixedly connected to the outer side of one end, close to the rotating shaft 15, of the rotating blade 16, a knob 18 is fixedly connected to one end, far away from the rotating blade 16, of the connecting rod 17, and the knob 18 is rotatably connected with the outer end of the sleeve 13;

in order to avoid the die from deviating, the top end of the supporting plate 3 corresponds to the position of the two sides of the notch 5 and is fixedly connected with the limiting rod 19, the top positions of the two ends of the lower die 9 are fixedly connected with the lower limiting block 20, the bottom positions of the two ends of the upper die 10 are fixedly connected with the upper limiting block 21, in order to enable the upper die 10 and the lower die 9 to be located on the same vertical line, the top ends of the lower limiting block 20 and the upper limiting block 21 are respectively provided with a through hole 22, and the axle center of the through hole 22 and the axle center of the limiting rod 19 are.

The utility model discloses a theory of operation and use flow: in the process of using an elastic supporting structure for an injection mold for the elastic supporting structure of the injection mold, when the lower mold 9 is installed, firstly, the limiting rod 19 passes through the lower limiting blocks 20 at the two ends of the lower mold 9 through the through hole 22, then the upper mold 10 is connected with the lower mold 9, and simultaneously the upper limiting blocks 21 at the two ends of the upper mold 10 penetrate through the limiting rod 19, so that the position between the upper mold 10 and the lower mold 9 is limited and fixed, and the phenomenon that the upper mold 10 and the lower mold 9 deviate to influence the shape of a formed mold is avoided;

then, before the mold material is injected into the upper mold 10 and the lower mold 9 through the injection port 11, the mold material is cooled and molded inside the upper mold 10 and the lower mold 9, the knob 18 is rotated to drive the connecting rod 17 to rotate through the knob 18, and further the rotary blade 16 is driven to rotate around the rotating shaft 15, so that one end, away from the rotating shaft 15, of the rotary blade 16 is rotated into the injection channel 12, the tailing is cut off, the mold material is directly injection-molded inside the upper mold 10 and the lower mold 9, and the working efficiency is improved;

finally, when pushing down and lifting bed die 9, transmit the power that pushes down and the lifting produced to fly leaf 6 through supporting shoe 7, stretch out and draw back through spring 8, make fly leaf 6 float inside cavity 4 to avoid the dynamics too big, make bed die 9 appear the fracture, through the supporting shoe 7 than the bigger holding surface of bracing piece, increase the support dynamics of bed die 9 simultaneously, guarantee the stability of bed die 9.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. An elastic support structure for an injection mold, comprising a base plate (1), characterized in that: the top end of the bottom plate (1) is movably connected with a push plate (2), the top end of the push plate (2) is movably connected with a supporting plate (3), a cavity (4) is formed in the supporting plate (3), notches (5) are symmetrically formed in positions, corresponding to the cavity (4), of the top end of the supporting plate (3), a movable plate (6) is slidably connected to the middle of the cavity (4), supporting blocks (7) are symmetrically and fixedly connected to positions, corresponding to the notches (5), of the top end of the movable plate (6), and springs (8) are fixedly connected to the top end and the bottom end of the movable plate (6);

the top end of the supporting block (7) is fixedly connected with a lower die (9), the top end of the lower die (9) is fixedly connected with an upper die (10), the middle position of the top end of the upper die (10) is fixedly connected with an injection port (11), an injection channel (12) is arranged in the injection port (11), the bottom of the outer end of the injection port (11) is fixedly connected with a sleeve (13), a rotary groove (14) is arranged in the sleeve (13) corresponding to the bottom position of the injection port (11), a rotary shaft (15) is fixedly connected with the inner part of the rotary groove (14) at an equal distance corresponding to the outer side position of the injection channel (12), the outer end of the rotary shaft (15) is rotatably connected with a rotary blade (16), a connecting rod (17) is fixedly connected with the outer side position of one end, close to the rotary shaft (15), of the rotary blade (16), and a knob (, the knob (18) is rotatably connected with the outer end of the sleeve (13).

2. An elastic support structure for an injection mold according to claim 1, characterized in that: the length and the width of the movable plate (6) are equal to those of the chamber (4), the springs (8) at the top end of the movable plate (6) are correspondingly installed on the outer sides of the supporting blocks (7), and the springs (8) at the bottom end of the movable plate (6) are equidistantly distributed at the bottom of the chamber (4).

3. An elastic support structure for an injection mold according to claim 1, characterized in that: the rotating groove (14) penetrates through the outer end of the sleeve (13), and the rotating groove (14) is communicated with the injection molding channel (12).

4. An elastic support structure for an injection mold according to claim 1, characterized in that: the width that rotating blade (16) is close to pivot (15) one end is greater than the width of keeping away from pivot (15) one end, and rotating blade (16) is close to the one end of pivot (15) and offers fluted (23), the radian of rotating blade (16) equals the radian of the passageway (12) of moulding plastics.

5. An elastic support structure for an injection mold according to claim 1, characterized in that: the supporting plate (3) top corresponds notch (5) both sides position department fixedly connected with gag lever post (19), stop block (20) under the fixed connection of lower mould (9) both ends top position department, go up equal fixedly connected with of mould (10) both ends bottom position department and go up stop block (21).

6. An elastic support structure for an injection mold according to claim 5, characterized in that: through holes (22) are formed in the top ends of the lower limiting block (20) and the upper limiting block (21), and the axle center of each through hole (22) and the axle center of the limiting rod (19) are located on the same vertical line.