CN221417308U - Forming die of sealing strip - Google Patents

Abstract

The utility model provides a molding die for a sealing strip, which comprises a panel, an upper base plate, an upper movable die, a die core, a lower fixed die, a lower base plate, an ejector pin plate and a bottom plate, wherein the die core comprises a first upper die core, a second upper die core, a third upper die core, a first lower die core, a second lower die core and a third lower die core, the first upper die core and the second upper die core are respectively provided with a first arc-shaped part and a second arc-shaped part which are protruded, the corresponding first lower die core and second lower die core are provided with a first arc-shaped groove and a second arc-shaped groove, the third upper die core is protruded to form a molding block, the molding block is provided with an arc-shaped notch, and the third lower die core is provided with a molding groove, and a semicircular convex block is arranged in the molding groove. When the mold is closed, the first arc-shaped part, the second arc-shaped part and the semicircular convex block are matched with the first arc-shaped groove, the second arc-shaped groove and the arc-shaped notch to form three sealing strips with three different radians respectively.

Description

Forming die of sealing strip

Technical Field

The utility model relates to the field of dies, in particular to a molding die for a sealing strip.

Background

The mould is the instrument that is used for making the shaping product, through the different shape preparation different shapes of mould, the sealing strip is common and uses in being arranged in the assembly, plays the accessory of sealed effect, often needs a plurality of sealing strips to be used for sealing in an assembly equipment, and the sealing strip of different radians is needed to different structures, and traditional mould that is used for shaping the sealing strip is the sealing strip of the different radians of shaping one-to-one, needs many different moulds when so shaping a plurality of sealing strips of different radians, leads to manufacturing cost high.

Disclosure of utility model

The utility model provides a forming die for sealing strips, and aims to solve the technical problem that the production cost is high due to the fact that a plurality of different sets of dies are needed when sealing strips with different radians are formed in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a forming die of sealing strip, includes top-down panel, upper padding plate, last movable mould, mould benevolence, lower cover half, lower padding plate, thimble board, bottom plate, the mould benevolence includes first last mould benevolence, second goes up mould benevolence, third and goes up mould benevolence, first lower mould benevolence, second lower mould benevolence, third lower mould benevolence, first last mould benevolence with the second goes up mould benevolence and sets up convex first arc type portion and second arc type portion respectively, corresponding first lower mould benevolence with second lower mould benevolence is opened there is first arc type groove second arc groove, third goes up mould benevolence protrusion and forms the shaping piece, the shaping piece is opened there is the arc breach, lower cover half is opened there is the shaping groove, third lower mould benevolence sets up in the shaping inslot, third lower mould benevolence is semicircular lug.

Further, the first upper die core, the first lower die core, the second upper die core and the second lower die core respectively form a first arc-shaped cavity and a second arc-shaped cavity with H-shaped cross sections, the third upper die core and the third lower die core form a third arc-shaped cavity with H-shaped cross sections, and the first arc-shaped cavity and the second arc-shaped cavity are respectively arranged on two sides of the third arc-shaped cavity.

Further, a plurality of pinholes are formed in the first lower die core, the second lower die core and the semicircular convex blocks at equal intervals, the pinholes are provided with ejector pins, and the lower ends of the ejector pins extend downwards and are fixed on the ejector pin plates.

Further, a first glue feeding groove and a second glue feeding groove are formed in one end of the first lower die core and one end of the second lower die core along the length direction respectively, and a third glue feeding groove is formed in the semicircular protruding block.

Further, hydraulic cylinders are arranged at two ends of the lower fixed die along the length direction, and piston rods of the hydraulic cylinders face to be connected with the ejector pin plates.

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

The utility model comprises a panel, an upper backing plate, an upper movable die, a die core, a lower fixed die, a lower backing plate, an ejector pin plate and a bottom plate, wherein the die core comprises a first upper die core, a second upper die core, a third upper die core, a first lower die core, a second lower die core and a third lower die core, the first upper die core and the second upper die core are respectively provided with a first arc-shaped part and a second arc-shaped part which are protruded, the corresponding first lower die core and second lower die core are provided with a first arc-shaped groove and a second arc-shaped groove, the third upper die core is protruded to form a forming block, the forming block is provided with an arc-shaped notch, the third lower die core is provided with a forming groove, and a semicircular convex block is arranged in the forming groove. When the mold is closed, the first arc-shaped part, the second arc-shaped part and the semicircular convex block are matched with the first arc-shaped groove, the second arc-shaped groove and the arc-shaped notch to form three sealing strips with three different radians respectively.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a forming mold structure of a cover body of the present utility model;

FIG. 2 is an exploded view of a molding die of the cover of the present utility model;

FIG. 3 is a schematic view of the upper movable mold of the forming mold of the cover body of the present utility model;

FIG. 4 is a schematic view of the structure of the lower mold of the molding mold of the cover of the present utility model;

FIG. 5 is a schematic view of a semicircular bump structure of a forming mold of the cover body of the present utility model;

FIG. 6 is a schematic view of a first lower core of a molding die of the cover of the present utility model;

Fig. 7 is a schematic diagram of a second lower core structure of the molding mold of the cover body of the present utility model.

Description of the main reference signs

10. A panel;

20. An upper backing plate;

30. An upper movable die;

40. A mold core; 401. a first upper mold core; 402. a first lower mold core; 403. a second upper mold core; 404. a second lower die core; 405. a third upper mold core; 406. a third lower die core;

50. A lower die;

60. a lower backing plate;

70. a needle ejection plate;

80. and (5) a base.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Examples

Referring to fig. 1-2, the utility model discloses a molding die for sealing strips, comprising a panel 10, an upper backing plate 20, an upper movable die 30, a die core 40, a lower die 50, a lower backing plate 60, an ejector plate 70 and a bottom plate from top to bottom, wherein the die core 40 comprises a first upper die core 401, a second upper die core 403, a third upper die core 405, a first lower die core 402, a second lower die core 404 and a third lower die core 406, the first upper die core 401 and the second upper die core 403 are respectively provided with a first arc-shaped part and a second arc-shaped part which are protruded, the corresponding first lower die core 402 and the second lower die core 404 are provided with a second arc-shaped groove, in particular, when the first upper die core 401, the first lower die core 402, the second upper die core 403 and the second lower die core 404 respectively form a first arc-shaped cavity and a second arc-shaped cavity with an H-shaped section, the first arc chamber is used for the sealing strip of shaping first radian, the second arc chamber is used for the sealing strip of shaping second radian, further, first lower mould benevolence 402 and second lower mould benevolence 404 are opened respectively along length direction's one end has first advance gluey groove and second advance gluey groove, hot melt adhesive gets into from panel 10's injecting glue mouth, get into first arc chamber and second arc chamber from first advance gluey groove and second advance gluey groove respectively through two hot mouths, independent advance gluey groove and independent shaping cavity, improve injecting glue efficiency, and the length and the radian in first arc chamber and second arc chamber are different, thereby the sealing strip of two different radians that obtain of moulding plastics.

Referring to fig. 3 to 7, the third upper mold core 405 protrudes to form a molding block, the molding block is provided with an arc-shaped notch, the lower mold 50 is provided with a molding groove, the third lower mold core 406 is disposed in the molding groove, and the third lower mold core 406 is a semicircular bump. Specifically, during the compound die, the third upper die core 405 and the third lower die core 406 form a third arc cavity with an H-shaped cross section, the first arc cavity and the second arc cavity are respectively arranged at two sides of the third arc cavity, the third arc cavity is used for forming a third arched sealing strip, further, a third glue feeding groove is formed in the semicircular convex block, the hot melt adhesive enters the third arc cavity through the third glue feeding groove, the third glue feeding groove is formed in the middle arc top position of the semicircular convex block, and the hot melt adhesive can flow along the cavities at two sides under the action of gravity, so that the flow of the hot melt adhesive is facilitated and the glue filling is sufficient. The sealing strips with three different radians are respectively formed in the first arc-shaped cavity, the second arc-shaped cavity and the third arc-shaped cavity, and compared with the traditional one-to-one die forming, the efficiency can be improved, and meanwhile the cost is saved.

Referring to fig. 3-7, a plurality of pinholes are formed in the first lower die core 402, the second lower die core 404 and the semicircular protruding blocks at equal intervals, the pinholes are provided with ejector pins, the lower ends of the ejector pins extend downwards and are fixed on the ejector pin plate 70, when the die is opened, the first upper die core 401, the second upper die core 403, the third upper die core 405, the first lower die core 402, the second lower die core 404 and the third lower die core 406 are separated, sealing strips fall on the first lower die core 402, the second lower die core 404 and the third lower die core 406, the ejector pin plate 70 pushes the ejector pins to push the ejector pins upwards to push the sealing strips to be ejected from the first lower die core 402, the second lower die core 404 and the third lower die core 406 respectively, and product demoulding is achieved; further, hydraulic cylinders are arranged at two ends of the lower fixed die 50 along the length direction, piston rods of the hydraulic cylinders face to the connecting ejector plate 70, and the hydraulic cylinders drive the ejector plate 70 to move up and down.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. The utility model provides a forming die of sealing strip which characterized in that: the mold comprises a panel, an upper base plate, an upper movable mold, a mold core, a lower fixed mold, a lower base plate, a pin jacking plate and a bottom plate from top to bottom, wherein the mold core comprises a first upper mold core, a second upper mold core, a third upper mold core, a first lower mold core, a second lower mold core and a third lower mold core, the first upper mold core and the second upper mold core are respectively provided with a first arc-shaped part and a second arc-shaped part which are convex, the corresponding first lower mold core and second lower mold core are provided with a first arc-shaped groove and a second arc-shaped groove, the third upper mold core is protruded to form a molding block, the molding block is provided with an arc-shaped notch, the lower fixed mold is provided with a molding groove, the third lower mold core is arranged in the molding groove, and the third lower mold core is a semicircular convex block.

2. The molding die of the sealing strip according to claim 1, wherein: the first upper die core and the first lower die core, the second upper die core and the second lower die core respectively form a first arc-shaped cavity and a second arc-shaped cavity with H-shaped cross sections, the third upper die core and the third lower die core form a third arc-shaped cavity with H-shaped cross sections, and the first arc-shaped cavity and the second arc-shaped cavity are respectively arranged on two sides of the third arc-shaped cavity.

3. The molding die of the sealing strip according to claim 1, wherein: the first lower die core, the second lower die core and the semicircular convex blocks are equidistantly provided with a plurality of pinholes, the pinholes are provided with ejector pins, and the lower ends of the ejector pins extend downwards and are fixed on the ejector pin plate.

4. The molding die of the sealing strip according to claim 1, wherein: the first lower die core and the second lower die core are respectively provided with a first glue feeding groove and a second glue feeding groove at one end along the length direction, and the semicircular convex block is provided with a third glue feeding groove.

5. The molding die of the sealing strip according to claim 1, wherein: the lower fixed die is provided with hydraulic cylinders at two ends along the length direction, and piston rods of the hydraulic cylinders face to be connected with the ejector pin plates.