CN209971413U

CN209971413U - Concatenation formula backing plate injection mold

Info

Publication number: CN209971413U
Application number: CN201920661800.6U
Authority: CN
Inventors: 彭书西
Original assignee: Taizhou Huangyan Meitou Molding Co Ltd
Current assignee: Taizhou Meitu Molding Co.,Ltd.
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-01-21
Anticipated expiration: 2029-05-09

Abstract

The utility model relates to a concatenation formula backing plate injection mold, it includes movable mould board, fixed die plate, bedplate and ejecting structure, be equipped with movable mould benevolence in the movable mould board, be equipped with fixed die benevolence in the fixed die plate, be equipped with the lug that is used for forming die backing plate bottom gluten structure in the movable mould benevolence, be used for the first of shaping concatenation fixture block insert, be used for the second of shaping concatenation draw-in groove to insert, be equipped with the insert groove on the movable mould benevolence, first insert and the second can dismantle and connect in the insert inslot, be equipped with the salient point groove that is used for forming die backing plate top surface antiskid bump structure on the fixed die benevolence. The split type insert is adopted, so that the processing difficulty of the die is reduced, meanwhile, the processing efficiency is improved, and the production cost is greatly reduced.

Description

Concatenation formula backing plate injection mold

Technical Field

The utility model belongs to the technical field of the injection mold and specifically relates to a concatenation formula backing plate injection mold is related to.

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 processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification. The structure of the mold may vary widely depending on the type and properties of the plastic, the shape and structure of the plastic product, and the type of injection machine. The injection mold mainly comprises a movable mold and a fixed mold, wherein the movable mold is arranged on a movable template of the injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product.

There is a die pad as shown in figures 1 and 2, which is primarily used to carry dies, goods or machinery. The top surface of the die base plate is provided with a plurality of anti-skid convex points 100, and the bottom surface of the die base plate is provided with a rib structure 200 formed by a plurality of reinforcing ribs which are staggered horizontally and vertically; the up-down and left-right relations of the die base plate in the attached drawing 1 are taken as the reference, the left side surface and the lower side surface of the die base plate are provided with splicing fixture blocks 300, and the right side surface and the upper side surface of the die base plate are provided with splicing fixture grooves 400. When the die base plate splicing device is used, the clamping grooves and the clamping blocks of the two adjacent die base plates are matched with each other, so that the multiple die base plates can be spliced in sequence to form a large base plate.

In actual production, because there are numerous mosaic structure in the mould backing plate to fixture block and draw-in groove corner angle are less, and the size is little, thereby when producing corresponding mould, the processing degree of difficulty is big, and machining efficiency is low, and the rejection rate is high, thereby greatly increased a pair mould's manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a concatenation formula mould backing plate injection mold, the processing degree of difficulty is low during its production, and production efficiency is high, low in production cost.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a concatenation formula backing plate injection mold, includes movable mould board, fixed die plate, bedplate and ejecting structure, be equipped with movable mould benevolence in the movable mould board, be equipped with fixed die benevolence in the fixed die board, be equipped with on the movable mould benevolence be used for forming die backing plate bottom gluten structure the lug, be used for the first of shaping concatenation fixture block insert, be used for the second of shaping concatenation draw-in groove to insert, be equipped with the insert groove on the movable mould benevolence, first insert with the second can dismantle and connect in the insert inslot, be equipped with the salient point groove that is used for forming die backing plate top surface antiskid salient point structure on the fixed die benevol.

By adopting the technical scheme, the clamping block and the clamping groove are designed into a form of a split insert due to high processing difficulty, so that the clamping block and the clamping groove are convenient to process independently, and a corner structure can be processed in a wire cutting or laser cutting mode; secondly, the rejection rate of the whole product can be reduced, and the rejection of the clamping block and the clamping groove does not influence the whole die; when the clamping block and the clamping groove are used, the clamping block and the clamping groove are assembled on a die, so that the clamping block and the clamping groove can be normally used, and the use is convenient.

Preferably, the first insert includes first shaping end and first stiff end, the second insert includes second shaping end and second stiff end, insert the groove including locating first fixed slot and shaping groove on movable mould benevolence and locating the second fixed slot on the movable mould board, first stiff end and second stiff end homogeneous part are pressed in first fixed slot, and partly are pressed in the second fixed slot, all be equipped with the fixed pin on first stiff end and the second stiff end.

By adopting the technical scheme, the first fixing groove and the second fixing groove form a complete fixing groove, the first insert and the second insert are pressed in the fixing groove, the movable die core can be fixed on the movable die plate, additional fixing screws are not needed for fixing at other positions, and the structure of the die is simplified; in addition, the forming groove is used for accommodating the forming end of the insert, so that the product structure is formed conveniently.

Preferably, the width of the first fixing end is greater than that of the first forming end, and a notch of the forming groove at the second insert is provided with a flange.

By adopting the technical scheme, when the first insert is fixed in the insert groove, self-positioning can be realized by utilizing the wide and narrow structures at the two ends of the insert groove, so that the accuracy of the position of the first insert and the stability of fixing are ensured; the arrangement of the flanges plays the same role.

Preferably, ejection structure is including the thimble board that is located movable mould board one side, locating thimble group on the thimble board, drive the push pedal of thimble board motion, thimble group is including pushing up in the first thimble of product muscle structure department, pushing up in the second thimble of product concatenation draw-in groove and concatenation fixture block department.

By adopting the technical scheme, the ejector plate is driven by the push plate to move, and the ejector plate drives the ejector pin group to move to eject a product, so that the product is smoothly demoulded; here, evenly act on muscle structure department and edge with the thimble, evenly atress when being convenient for the product drawing of patterns guarantees product drawing of patterns quality.

Preferably, a cushion pad is arranged at the edge of the upper surface of the movable template.

Through adopting above-mentioned technical scheme, setting up of blotter is more steady when making movable mould board and fixed die plate compound die.

Preferably, the upper surfaces of the movable template and the fixed template are respectively provided with a positioning groove correspondingly.

Through adopting above-mentioned technical scheme, because the product is square structure, both sides are too similar, make mistakes easily during the die holding, the setting of constant head tank is convenient for when workman's installation and is looked for the position accurately, plays the effect of preventing staying.

Preferably, a locking template is arranged between the fixed template and the movable template.

Through adopting above-mentioned technical scheme, when the mould compound die, the die locking plate dies the cover half movable mould lock, prevents that both from appearing shifting in the mould handling, causes the mould wearing and tearing.

To sum up, the utility model discloses a beneficial technological effect does:

1. the split insert reduces the processing difficulty of the die, improves the processing efficiency and greatly reduces the production cost;

2. the movable die core can be fixed on the fixed die plate through the first insert and the second insert, so that the structure of the die is simplified;

3. the thimble group acts on the surface of the product uniformly, so that the product is demoulded smoothly and has high quality.

Drawings

FIG. 1 is a schematic structural view of the spliced backing plate of the product of the present invention;

FIG. 2 is a top view of the splice plate;

FIG. 3 is a schematic view of the overall structure of the mold;

FIG. 4 is a schematic structural view of a movable mold part wherein a portion of the first insert and the second insert are exploded away;

FIG. 5 is a schematic view of the movable mold part with the projection removed, and is intended to show the structure of the thimble group;

FIG. 6 is a schematic diagram of a fixed mold part structure.

In the figure, 100, antiskid salient points; 200. a rib structure; 300. splicing the fixture blocks; 400. splicing the clamping grooves; 1. moving the template; 2. fixing a template; 3. a seat plate; 4. an ejection structure; 41. an ejector plate; 42. a thimble group; 421. a first thimble; 422. a second thimble; 43. pushing the plate; 5. a movable mould core; 6. fixing a mold core; 7. a bump; 8. a first insert; 81. a first molding end; 82. a first fixed end; 9. a second insert; 91. a second forming end; 92. a second fixed end; 10. an insert groove; 11. a first fixing groove; 12. forming a groove; 13. a second fixing groove; 14. a bump groove; 15. blocking edges; 16. a cushion pad; 17. positioning a groove; 18. and locking the template.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The injection mold for the spliced base plate shown in the attached figure 3 comprises a movable mold plate 1, a fixed mold plate 2, a seat plate 3 and an ejection structure 4. In order to lock the fixed die and the movable die by the locking die plate 18 when the die is closed and prevent the fixed die and the movable die from being displaced in the process of carrying the die to cause die abrasion, the locking die plate 18 is arranged between the fixed die plate 2 and the movable die plate 1.

Referring to the attached drawing 4, a movable mold core 5 is arranged in the movable mold plate 1, and a convex block 7 for forming a gluten structure at the bottom of the mold pad, a first insert 8 for forming a splicing fixture block and a second insert 9 for forming a splicing fixture groove are arranged on the movable mold core 5. The movable die core 5 is provided with an insert groove 10, and a first insert 8 and a second insert 9 are detachably connected in the insert groove 10 in order to facilitate the processing and manufacturing of the inserts.

With reference to fig. 5, the first insert 8 comprises a first profiled end 81 and a first fixed end 82. The second insert 9 comprises a second profiled end 91 and a second fixed end 92. The insert groove 10 comprises a first fixing groove 11 and a forming groove 12 which are arranged on the movable die core 5, and a second fixing groove 13 which is arranged on the movable die plate 1, wherein the first fixing groove 11 and the second fixing groove 13 form a complete fixing groove. The first fixing end 82 and the second fixing end 92 are partially pressed in the first fixing groove 11, and partially pressed in the second fixing groove 13, and fixing pins (not shown) are respectively arranged on the first fixing end 82 and the second fixing end 92; here, the movable die core 5 can be fixed on the movable die plate 1 without fixing other positions by additional fixing screws, so that the structure of the die is simplified; the forming groove 12 is used for accommodating a forming end of the insert, and is convenient for forming a product structure.

Wherein, the width of the first fixing end 82 is larger than that of the first forming end 81, and the notch of the forming groove 12 at the second insert 9 is provided with a flange 15. When the first insert 8 is fixed in the insert groove 10, self-positioning can be realized by utilizing the wide and narrow structures at the two ends of the insert groove 10, so that the accuracy of the position of the first insert 8 and the stability of fixing are ensured; the provision of the ribs 15 serves the same purpose.

Wherein, in order to make the movable die plate 1 and the fixed die plate 2 more stable when closing the die, be equipped with blotter 16 at movable die plate 1 upper surface edge. Simultaneously, because the product is square structure, both sides are too approximate, make mistakes easily during the die holding, for the convenience of the workman looks for the position when installing, play the effect of preventing slow-witted, be equipped with constant head tank 17 at the equal correspondence of the upper surface of movable mould board 1 and fixed mould board 2.

Referring to fig. 6, a fixed mold core 6 is arranged in the fixed mold plate 2, and a convex point groove 14 for forming an anti-skid convex point structure on the top surface of the die pad is arranged on the fixed mold core 6.

Referring to fig. 4 and 5, the ejector structure 4 includes an ejector plate 41 located on one side of the movable die plate 1, an ejector pin group 42 provided on the ejector plate 41, and a push plate 43 that moves the ejector plate 41. The thimble group 42 includes a first thimble 421 propping against the product rib structure, and a second thimble 422 propping against the product splicing clamping groove and the splicing clamping block. During demolding, the ejector plate 43 drives the ejector plate 41 to move, and the ejector plate 41 drives the ejector pin group 42 to move to eject a product, so that smooth demolding of the product is realized; here, evenly act on muscle structure department and edge with the thimble, evenly atress when being convenient for the product drawing of patterns guarantees product drawing of patterns quality.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a concatenation formula backing plate injection mold, includes movable mould board (1), fixed die plate (2), bedplate (3) and ejecting structure (4), be equipped with movable mould benevolence (5) in movable mould board (1), be equipped with fixed mould benevolence (6) in fixed die plate (2), its characterized in that: be equipped with lug (7) that is used for forming die backing plate bottom gluten structure (200), the first (8) of inserting that are used for shaping concatenation fixture block (300), the second that is used for shaping concatenation draw-in groove (400) is inserted (9), be equipped with on the movable mould benevolence (5) and insert piece groove (10), first (8) of inserting and second insert (9) can dismantle and connect in insert piece groove (10), be equipped with on the fixed mould benevolence (6) and be used for forming die backing plate top surface anti-skidding bump (100) structural salient point groove (14).

2. The injection mold for split joint type base plates according to claim 1, wherein: the first insert (8) comprises a first forming end (81) and a first fixing end (82), the second insert (9) comprises a second forming end (91) and a second fixing end (92), the insert groove (10) comprises a first fixing groove (11) and a forming groove (12) which are arranged on a movable mold core (5) and a second fixing groove (13) which is arranged on a movable mold plate (1), the first fixing end (82) and the second fixing end (92) are uniformly pressed in the first fixing groove (11), one part of the first fixing end is pressed in the second fixing groove (13), and the first fixing end (82) and the second fixing end (92) are both provided with fixing pins.

3. The injection mold for split joint type base plates according to claim 2, wherein: the width of the first fixing end (82) is larger than that of the first forming end (81), and a flange (15) is arranged on a notch of the forming groove (12) at the second insert (9).

4. The injection mold for split joint type base plates according to claim 1, wherein: the ejection structure (4) comprises an ejector plate (41) positioned on one side of the movable template (1), an ejector group (42) arranged on the ejector plate (41), and a push plate (43) driving the ejector plate (41) to move, wherein the ejector group (42) comprises a first ejector pin (421) ejected from the product rib structure (200), and a second ejector pin (422) ejected from the product splicing clamping groove (400) and the splicing clamping block (300).

5. The injection mold for split joint type base plates according to claim 1, wherein: and a cushion pad (16) is arranged at the edge of the upper surface of the movable template (1).

6. The injection mold for split joint type base plates according to claim 1, wherein: and the upper surfaces of the movable template (1) and the fixed template (2) are correspondingly provided with positioning grooves (17).

7. The injection mold for split joint type base plates according to claim 1, wherein: and a locking template (18) is arranged between the fixed template (2) and the movable template (1).