CN213891099U

CN213891099U - Injection mold convenient for demolding

Info

Publication number: CN213891099U
Application number: CN202022494182.6U
Authority: CN
Inventors: 张祖周; 张锦标; 张海文; 江洪深; 盘海夏
Original assignee: Shenzhen Mingzhi Ultra Precision Technology Co ltd
Current assignee: Shenzhen Mingzhi Ultra Precision Technology Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-08-06
Anticipated expiration: 2030-11-02

Abstract

The utility model relates to an injection mold technical field specifically is an injection mold of convenient drawing of patterns, including bed die main part, shaping groove, go up mould main part and shaping piece, shaping groove has been seted up to the inside of bed die main part, and the top of bed die main part has placed the mould main part, the bottom fixed mounting who goes up the mould main part has the shaping piece, the inside bottom of bed die main part is provided with ejection mechanism, ejection mechanism includes cavity, lead screw, swivel nut, roof, kicking block, bracing piece and sealed piece, the cavity has been seted up to the bottom in shaping groove, the both sides of lead screw are all through bearing swing joint at the cavity inner wall, be provided with disengagement mechanism between bed die main part and the shaping groove. The utility model discloses effectively prevented under long-time the use, mostly difficult plastic products to processing completion carry out the drawing of patterns operation, and plastic products may adsorb inside the mould, the difficult problem of taking out.

Description

Injection mold convenient for demolding

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold of convenient drawing of patterns.

Background

With the development and progress of the society, the plastic product industry has also been continuously developed, generally when processing plastic products, mostly the injection mold needs to be used to carry out rapid pressing processing on the plastic products, and the plastic products produced by the plastic mold have high precision, are convenient and fast, and are convenient for operators to use.

The general formula structural design as an organic whole of current injection mold, under long-time the use, the plastic products that are difficult for to processing and accomplish carry out drawing of patterns operation, and plastic products can adsorb inside the mould, is difficult for taking out, has reduced ease of use and practicality, and the operation is complicated and loaded down with trivial details, has influenced operating personnel's work efficiency, consequently needs a neotype injection mold who makes things convenient for the drawing of patterns to solve above-mentioned problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold of convenient drawing of patterns to under the long-time use that provides in solving above-mentioned background art, be not convenient for carry out the problem of drawing of patterns operation to inside plastic products.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold convenient for demolding comprises a lower mold main body, a forming groove, an upper mold main body and a forming block, wherein the forming groove is formed in the lower mold main body, the upper mold main body is placed at the top end of the lower mold main body, the forming block is fixedly installed at the bottom end of the upper mold main body, the forming groove and the forming block are mutually attached, an ejection mechanism is arranged at the bottom end of the inner part of the lower mold main body and comprises a cavity, a lead screw, a screw sleeve, a top plate, a top block, a supporting rod and a sealing block, the bottom end of the forming groove is provided with a cavity, the lead screw is arranged at the bottom end of the cavity, two sides of the lead screw are movably connected to the inner wall of the cavity through bearings, the screw sleeve is movably connected to two sides of the outer part of the lead screw, the top plate is arranged at the bottom end of the forming groove, the top block is fixedly installed at the bottom end of the top plate, the two sides of the bottom end of the top block are movably connected with the supporting rod through a rotating shaft, and the bottom of the supporting rod is movably connected to the top end of the threaded sleeve through a rotating shaft, and a separation mechanism is arranged between the lower die main body and the forming groove.

Further, the separating mechanism comprises a pressing block, a pressing groove, a fixed plate, a first loop bar, a second loop bar and a spring, wherein the pressing block is fixedly arranged on the two sides of the bottom end of the upper die body, the pressing groove matched with the pressing block is formed in the two sides of the top end of the lower die body, the fixed plate is arranged at the bottom end of the inside of the pressing groove, the first loop bar is fixedly arranged on the two sides of the bottom end of the fixed plate, the second loop bar is sleeved on the bottom end of the inside of the first loop bar, the spring is welded on the top end of the second loop bar, and the top end of the spring is welded on the top end of the inside of the first loop bar.

Furthermore, a sealing block is glued at the joint of the forming groove and the cavity, and the sealing block is designed to be in an L-shaped structure.

Furthermore, one side of the screw rod penetrates through the cavity and extends to the outer surface of the lower die main body, a torsion block is welded on one side, away from the cavity, of the screw rod, and a rubber sleeve is sleeved on the outer side of the torsion block.

Further, roof and kicking block formula structural design as an organic whole, and the corner of roof and kicking block laminates with the outer wall of sealed piece each other.

Further, the inside both sides of first loop bar have all seted up the spout, and the inside all sliding connection of spout has the slider, one side that the slider is close to the second loop bar all welds the outer wall at the second loop bar.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this injection mold of convenient drawing of patterns is provided with the cavity, the lead screw, the swivel nut, the roof, the kicking block, bracing piece and sealed piece, when needs take out plastic products, at first rotate the lead screw, the swivel nut removes in the lead screw outside under threaded connection's effect, under the mating action of pivot, the roof upwards extrudees, extrude plastic products, be convenient for carry out drawing of patterns operation to plastic products, easy operation and convenient, operating personnel's work efficiency has been improved greatly, effectively prevented under long-time the use, the plastic products of mostly being difficult to processing completion carry out drawing of patterns operation, plastic products can adsorb inside the mould, be difficult for taking out the problem.

2. This injection mold of convenient drawing of patterns is provided with the briquetting, the indent, the fixed plate, first loop bar, second loop bar and spring, spill over from bed die main part and last mould main part junction when plastics, be difficult for when breaking away from to bed die main part and last mould main part, at first under the effect of spring restoring force, make first loop bar upwards remove, extrude the fixed plate, make the fixed plate ejecting with the briquetting, be convenient for bed die main part and last mould main part break away from, be convenient for take out inside plastic products, ease for use and practicality have been improved, effectively prevented to use down for a long time, the junction of bed die main part and last mould main part produces ageing, lead to the plastic liquid to expose, be not convenient for carry out the problem that breaks away from to bed die main part and last mould main part.

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 described below, it is obvious that the drawings in the following description are only 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.

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at C in fig. 3 according to the present invention;

fig. 5 is a schematic diagram of the structure of the disengaged state of the present invention.

In the figure: 1. a lower mold body; 2. forming a groove; 3. an upper mold body; 4. forming a block; 5. a chamber; 6. a screw rod; 7. a threaded sleeve; 8. a top plate; 9. a top block; 10. a support bar; 11. a sealing block; 12. briquetting; 13. pressing a groove; 14. a fixing plate; 15. a first loop bar; 16. a second loop bar; 17. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: an injection mold convenient for demolding comprises a lower mold main body 1, a molding groove 2, an upper mold main body 3 and a molding block 4, wherein the molding groove 2 is formed in the lower mold main body 1, the upper mold main body 3 is placed at the top end of the lower mold main body 1, the molding block 4 is fixedly installed at the bottom end of the upper mold main body 3, the molding groove 2 and the molding block 4 are mutually attached, an ejection mechanism is arranged at the bottom end in the lower mold main body 1, the ejection mechanism comprises a cavity 5, a screw rod 6, a screw sleeve 7, a top plate 8, a top block 9, a support rod 10 and a sealing block 11, the cavity 5 is formed at the bottom end of the molding groove 2, the screw rod 6 is arranged at the bottom end in the cavity 5, two sides of the screw rod 6 are movably connected to the inner wall of the cavity 5 through bearings, the two sides outside the screw rod 6 are both in threaded connection with the screw sleeve 7, the bottom end in the molding groove 2 is provided with the top plate 8, and the top block 9 is fixedly installed at the bottom end of the top plate 8, the both sides of the bottom of kicking block 9 all have a bracing piece 10 through pivot swing joint, and the bottom of bracing piece 10 all is provided with the disengagement mechanism between bed die main part 1 and the shaping groove 2 at the top of swivel nut 7 through pivot swing joint.

The separation mechanism includes briquetting 12, indent 13, fixed plate 14, first loop bar 15, second loop bar 16 and spring 17, the both sides of going up mould main part 3 bottom are all fixed mounting has briquetting 12, and the indent 13 of mutually supporting with briquetting 12 is all seted up to the top both sides of bed die main part 1, the inside bottom of indent 13 is provided with fixed plate 14, and the both sides of fixed plate 14 bottom are all fixed mounting has first loop bar 15, the inside bottom cover of first loop bar 15 is equipped with second loop bar 16, and the top welding of second loop bar 16 has spring 17, the top welding of spring 17 is on the inside top of first loop bar 15, be convenient for separate bed die main part 1 and bed die main part 3 under the effect of this mechanism, be convenient for take out the goods of inside, and the operation is simple.

The junction of shaping groove 2 and cavity 5 is glued has sealed piece 11, and sealed piece 11 is "L" font structural design, under sealed piece 11's effect, is convenient for seal the junction of shaping groove 2 and cavity 5, prevents that liquid from flowing out, has improved stability.

One side of the screw rod 6 runs through the cavity 5 and extends to the outer surface of the lower die main body 1, one side of the screw rod 6, far away from the cavity 5, is welded with a twisting block, the outer side of the twisting block is sleeved with a rubber sleeve, under the action of the twisting block, the screw rod 6 is convenient to twist, and plastic is convenient to extrude.

Roof 8 and kicking block 9 formula structural design as an organic whole, and the corner of roof 8 and kicking block 9 laminates with the outer wall of sealed piece 11 each other, under the effect of laminating, has increased sealed effect, has improved sealed stability.

The inside both sides of first loop bar 15 have all seted up the spout, and the inside sliding connection that all has the slider of spout, and the slider is close to one side of second loop bar 16 and all welds at the outer wall of second loop bar 16, under the effect of slider and spout for the device operation is more smooth stable.

The working principle is as follows: when the plastic product needs to be taken out, the screw rod 6 is rotated firstly, the threaded sleeve 7 moves outside the screw rod 6 under the action of threaded connection, the support rod 10 rotates under the matching action of the rotating shaft to extrude the top block 9 upwards, the top plate 8 synchronously moves upwards while the top block 9 moves upwards to extrude the plastic product, and the plastic product is convenient to demould;

when plastics spill over from bed die main part 1 and last mould main part 3 junction, when being difficult for breaking away from to bed die main part 1 and last mould main part 3, at first under the effect of spring 17 restoring force for first loop bar 15 upwards removes, extrudes fixed plate 14, makes fixed plate 14 ejecting briquetting 12, and the bed die main part 1 and last mould main part 3 of being convenient for break away from, are convenient for take out the plastic products of inside, and this operation is ended.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an injection mold of convenient drawing of patterns, includes bed die main part (1), shaping groove (2), goes up mould main part (3) and shaping piece (4), shaping groove (2) have been seted up to the inside of bed die main part (1), and the top of bed die main part (1) has placed last mould main part (3), the bottom fixed mounting who goes up mould main part (3) has shaping piece (4), and laminates its characterized in that each other in shaping groove (2) and shaping piece (4): the bottom inside the lower die main body (1) is provided with an ejection mechanism, the ejection mechanism comprises a cavity (5), a lead screw (6), a threaded sleeve (7), a top plate (8), a top block (9), a support rod (10) and a sealing block (11), the cavity (5) is arranged at the bottom of the forming groove (2), the lead screw (6) is arranged at the bottom inside the cavity (5), two sides of the lead screw (6) are movably connected to the inner wall of the cavity (5) through bearings, two sides of the outer part of the lead screw (6) are connected with the threaded sleeve (7) through threads, the top plate (8) is arranged at the bottom inside the forming groove (2), the top block (9) is fixedly arranged at the bottom of the top plate (8), two sides of the bottom of the top block (9) are movably connected with the support rod (10) through a rotating shaft, and the bottom of the support rod (10) is movably connected to the top end of the threaded sleeve (7) through a rotating shaft, a separation mechanism is arranged between the lower die main body (1) and the forming groove (2).

2. The injection mold facilitating demolding as claimed in claim 1, wherein: the separation mechanism comprises a pressing block (12), a pressing groove (13), a fixing plate (14), a first loop bar (15), a second loop bar (16) and a spring (17), wherein the pressing block (12) is fixedly mounted on two sides of the bottom end of the upper die body (3), the pressing groove (13) matched with the pressing block (12) is formed in two sides of the top end of the lower die body (1), the fixing plate (14) is arranged at the bottom end inside the pressing groove (13), the first loop bar (15) is fixedly mounted on two sides of the bottom end of the fixing plate (14), the second loop bar (16) is sleeved on the bottom end inside the first loop bar (15), the spring (17) is welded at the top end of the second loop bar (16), and the top end of the spring (17) is welded at the top end inside the first loop bar (15).

3. The injection mold facilitating demolding as claimed in claim 1, wherein: and a sealing block (11) is glued at the joint of the forming groove (2) and the cavity (5), and the sealing block (11) is designed into an L-shaped structure.

4. The injection mold facilitating demolding as claimed in claim 1, wherein: one side of the screw rod (6) penetrates through the cavity (5) and extends to the outer surface of the lower die main body (1), a torsion block is welded on one side, away from the cavity (5), of the screw rod (6), and a rubber sleeve is sleeved on the outer side of the torsion block.

5. The injection mold facilitating demolding as claimed in claim 1, wherein: roof (8) and kicking block (9) formula structural design as an organic whole, and the corner of roof (8) and kicking block (9) is laminated with the outer wall of sealed piece (11) each other.

6. The injection mold facilitating demolding as claimed in claim 2, wherein: the inside both sides of first loop bar (15) have all been seted up the spout, and the inside sliding connection that all has the slider of spout, the slider is close to one side of second loop bar (16) and all welds the outer wall at second loop bar (16).