CN213006361U - Mould is used in production of wall-hanging triangle supporter - Google Patents

Abstract

The utility model discloses a mould is used in production of wall-hanging triangle supporter, including cope match-plate pattern and lower bolster, its characterized in that: be equipped with the core in the cope match-plate pattern, be equipped with the die cavity in the lower bolster, the lower bolster below is equipped with the backing plate, and the backing plate below is equipped with the cushion, and the center of triangle supporter through-hole is equipped with lug one as advancing the glue dot, core bottom, and the sprue extends to in the lug one, and the sprue is connected with the subchannel, and die cavity bottom both sides all are equipped with lug two, and core bottom both sides all are equipped with the recess. Compared with the prior art, the utility model the advantage lie in: the utility model discloses the core is fixed on the fixed die plate, and the die cavity is fixed on the movable mould board, avoids the supporter internal surface thimble impression to appear, improves the internal surface outward appearance. The center of the through hole of the shelf is used as a glue inlet point, so that stub bar marks on the inner surface and the outer surface are avoided. The hooks on the two sides of the storage rack are directly formed by embedding the convex blocks in the mold core cavity, a sliding block does not need to be run, and the cost of the mold is saved.

Description

Mould is used in production of wall-hanging triangle supporter

Technical Field

The utility model relates to an injection mold field specifically indicates a wall-hanging triangle supporter production is with mould.

Background

At present, the storage rack is more and more widely applied to family life, a plurality of family articles for daily use are more and more in variety, a storage rack which can be used for rectifying and arranging the articles for daily use is needed, and the storage rack is very helpful for arranging small articles for daily use. Common supporter generally adopts glass, alloy or plastics supporter in the market at present, and glass, alloy supporter handsome in appearance, decorative effect are better, but the price is higher, difficult installation. For this reason, most households also choose to use plastic shelves that are inexpensive and easy to install. At present, plastic commodity shelf adopts injection mold to mould plastics and forms, has the through-hole in the middle as shown in figure 5, and both sides have the wall-hanging triangle commodity shelf of couple, and when injection moulding, the mould preparation will generally advance gluey point and establish the bottom at the commodity shelf surface, because through-hole department will set up the prism, so do not establish in the through-hole position, lead to product surface bottom can produce stub bar trace. And the mould preparation is generally with the thimble top at the internal surface of supporter, and the internal surface of supporter can produce the thimble impression, simultaneously because the wall thickness of supporter is generally thinner, produces thimble stress trace easily at the external surface of supporter, and bright white point appears in the external surface of supporter. The inner surface of the plastic commodity shelf is used as an appearance surface in daily use, and the appearance of the inner surface of a product is influenced by the existence of the ejector pin mark. The hooks arranged on two sides of the wall-mounted triangular storage rack shown in the attached drawing 5 can be hung on a wall, and the hooks on two sides are formed in a sliding block running mode generally during manufacturing of a mold, so that the cost is high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to solve above technical problem, provide a mould is used in production of wall-hanging triangle supporter that improves plastics supporter product internal surface outward appearance quality, no stub bar trace.

In order to solve the technical problem, the utility model provides a technical scheme does: a mold for producing a wall-hanging type triangular commodity shelf comprises an upper mold plate and a lower mold plate, wherein the upper mold plate is a fixed mold plate, the lower mold plate is a movable mold plate, a mold core is arranged inside the upper mold plate, a mold cavity embedded with the mold core is arranged in the lower mold plate, an upper mold fixing plate is arranged above the upper mold plate, a base plate is arranged below the lower mold plate, a cushion block is arranged below the base plate, a lower mold fixing plate is arranged below the cushion block, a nozzle is arranged above the upper mold fixing plate and is positioned right above a triangular commodity shelf through hole, a main flow channel is connected below the nozzle, the center of the triangular commodity shelf through hole is used as a glue inlet point of the triangular commodity shelf, a first convex block is arranged at the bottom of the mold core and is embedded with the mold cavity to form a triangular through hole when the mold is formed, the main, the die comprises a die cavity and a lower die plate, and is characterized in that two sides of the bottom end of the die cavity are respectively provided with a second convex block, two sides of the bottom of the die core are respectively provided with a groove embedded with the second convex block, the second convex blocks are embedded with the grooves to form hooks of a triangular storage rack, a guide pillar is arranged above the lower die plate, a guide sleeve embedded with the guide pillar is arranged on the upper die plate, a cavity is formed by the base plate, the cushion block and the lower die plate, a push plate is arranged at the bottom of the cavity, an ejector pin is arranged above the.

Compared with the prior art, the utility model the advantage lie in: in daily use, the internal surface of plastic supporter is the direct-viewing surface of naked eye, so the internal surface is the outward appearance face of product, the utility model discloses a fix the core on the fixed die plate, fix the die cavity on the movable mould board, the thimble top is at the surface of product, avoids the thimble impression to appear in the internal surface of triangle supporter, makes the thimble impression appear at the surface of product, improves the outward appearance of triangle supporter internal surface. Additionally the utility model discloses with the through-hole center as the gluey point of advancing of triangle-shaped supporter, avoid the product inside and outside surface to produce the stub bar trace, improved the outward appearance quality of product, the couple of supporter both sides need not run the slider through the direct shaping of boss recess gomphosis on the core die cavity, saves the mould expense.

As an improvement, a cooling water channel is arranged in the lower template. The cooling water channel can be rapidly cooled, and the product molding is facilitated.

As an improvement, a thimble fixing plate is arranged above the push plate to fix the thimble. The ejector pin fixing plate is used for preventing the ejector pin from shaking.

As an improvement, a gap of 0.02mm is reserved between the distance of the top end of the ejector pin and the bottom end of the cavity. A gap of 0.02mm is reserved between the distance of the top end of the thimble and the top end of the mold core, so that stress marks of the thimble on the inner surface of a product can be prevented, and bright white spots are prevented.

As an improvement, the push plate is provided with at least three ejector pins. The product can be ejected from the lower template more conveniently.

The guide posts and the guide sleeves are four and are respectively and evenly distributed at four corners of the upper template and the lower template. The cooperation of four guide pillar guide pin bushings does benefit to and improves cope match-plate pattern, lower bolster complex accuracy.

Drawings

Fig. 1 is a schematic view of the wall-hanging type triangle shelf during mold closing.

Fig. 2 is a schematic view of the wall-hanging type triangle shelf in opening the mold.

Fig. 3 is a partially enlarged view circled in fig. 2.

Fig. 4 is a schematic distribution diagram of guide pillars and guide sleeves.

Fig. 5 is a structural schematic diagram of a wall-mounted triangular commodity shelf.

Fig. 6 is a schematic structural view of the wall-hanging type triangular shelf formed by a mold.

As shown in the figure: 1. the mold comprises an upper mold plate, 2, a lower mold plate, 3, an upper mold fixing plate, 4, a cushion plate, 5, a cushion block, 6, a lower mold fixing plate, 7, a nozzle, 8, a bump, 9, a guide pillar, 10, a guide sleeve, 11, a push plate, 12, a thimble, 13, a thimble fixing plate, 14, a glue inlet point, 15, a cooling water channel, 16, a cavity, 17, a flow distribution channel, 1.1, a mold core, 2.1 and a mold cavity. 1.1.1, a first bump, 1.1.2, a groove, and a second bump, 2.1.2.

Detailed Description

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

Combine attached figure 1, a mould is used in production of wall-hanging triangle supporter, including cope match-plate pattern 1 and lower bolster 2, its characterized in that: the upper template 1 is a fixed template, the lower template 2 is a movable template, a core 1.1 is arranged inside the upper template 1, a cavity 2.1 embedded with the core 1.1 is arranged in the lower template 2, an upper fixing plate 3 is arranged above the upper template 1, a base plate 4 is arranged below the lower template 2, a cushion block 5 is arranged below the base plate 4, a lower fixing plate 6 is arranged below the cushion block 5, a nozzle 7 is arranged above the upper fixing plate 3, the nozzle 7 is positioned right above a triangular shelf through hole, a main runner 8 is connected below the nozzle 7, the center of the triangular shelf through hole is used as a glue inlet point 14 of a triangular shelf, a convex block 1.1.1 is arranged at the bottom of the core 1.1, the convex block 1.1 and the cavity 2.1 are embedded to form the triangular shelf through hole during molding, the main runner 8 extends into the convex block 1.1.1, and the main runner 8 is connected with a branch runner 17, the two sides of the bottom end of the cavity 2.1 are provided with two convex blocks 2.1.2, the two sides of the bottom of the mold core are provided with two grooves 1.1.2 embedded with the two convex blocks 2.1.2, the two convex blocks 2.1.2 and the grooves 1.1.2 are embedded to form hooks of a triangular storage rack, a guide pillar 9 is arranged above the lower mold plate 2, the upper mold plate 1 is provided with a guide sleeve 10 embedded with the guide pillar 9, the cushion plate 4, the cushion block 5 and the lower mold fixing plate 6 form a cavity 16, the bottom of the cavity 16 is provided with a push plate 11, a thimble 12 is arranged above the push plate 11, and the thimble 12 penetrates through the cushion plate 4 and the lower mold plate 2 to reach the cavity 2.1.

And a cooling water channel 15 is arranged in the lower template 2.

And an ejector pin fixing plate 13 is arranged above the push plate 11 and used for fixing an ejector pin 12.

And a gap of 0.02mm is reserved between the distance of the thimble 12 and the bottom end of the cavity.

The push plate 11 is provided with at least three ejector pins 12.

The number of the guide posts 9 and the guide sleeves 10 is four, and the guide posts and the guide sleeves are respectively and evenly distributed at four corners of the upper template 1 and the lower template 2.

The utility model discloses a theory of operation: the upper template 1 is arranged on the upper mold fixing plate 3 and is kept still all the time in the injection molding process, and the lower template 2 moves along with mold closing and mold opening in the injection molding process. When injection molding is started, the lower template 2 moves towards the upper template 1 until the cavity 2.1 of the core 1.1 is closed, the guide post 9 and the guide sleeve 10 can ensure the matching accuracy of the upper template 1 and the lower template 2, after the upper template 1 and the lower template 2 are closed, hot-melted raw materials are injected into the main runner 8 from the nozzle 7 and flow into the sub-runner 17 to finally fill the cavity formed by the cavity 2.1 of the core 1.1, the raw materials are quickly frozen and molded under the action of the cooling water channel 15, then the lower template 2 withdraws, and when the lower template 2 is withdrawn to a certain position, the ejector pin 12 pops up to push the molded product out of the cavity 2.1. The formed product is provided with a stub bar as shown in figure 6, and the stub bar is removed by a cutter.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims (6)

1. The utility model provides a mould is used in production of wall-hanging triangle supporter, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that: the upper template (1) is a fixed template, the lower template (2) is a movable template, a core (1.1) is arranged inside the upper template (1), a cavity (2.1) embedded with the core (1.1) is arranged in the lower template (2), an upper fixing plate (3) is arranged above the upper template (1), a base plate (4) is arranged below the lower template (2), a cushion block (5) is arranged below the base plate (4), a lower fixing plate (6) is arranged below the cushion block (5), a nozzle (7) is arranged above the upper fixing plate (3), the nozzle (7) is positioned right above a triangular shelf through hole, a main runner (8) is connected below the nozzle (7), the center of the triangular shelf through hole is used as a glue inlet point (14) of the triangular shelf, a first bump (1.1.1) is arranged at the bottom of the core (1.1), and the cavity (2.1) form a triangular shelf through hole in an embedded mode during molding, sprue (8) extend to in the lug (1.1.1), sprue (8) are connected with subchannel (17), die cavity (2.1) bottom both sides all are equipped with lug two (2.1.2), core bottom both sides all are equipped with recess (1.1.2) with lug two (2.1.2) gomphosis, lug two (2.1.2) and recess (1.1.2) gomphosis form the couple of triangle supporter, the top of lower bolster (2) is equipped with guide pillar (9), cope match-plate pattern (1) on be equipped with guide pin bushing (10) with guide pillar (9) gomphosis, backing plate (4), cushion (5), lower mould fixed plate (6) form cavity (16), cavity (16) bottom be equipped with push pedal (11), the top of push pedal (11) be equipped with thimble (12), thimble (12) pass backing plate (4), lower bolster (2) and reach die cavity (2.1).

2. The mold for producing the wall-hanging type triangular shelf according to claim 1, wherein: and a cooling water channel (15) is arranged in the lower template (2).

3. The mold for producing the wall-hanging type triangular shelf according to claim 1, wherein: and an ejector pin fixing plate (13) is arranged above the push plate (11) to fix the ejector pin (12).

4. The mold for producing the wall-hanging type triangular shelf according to claim 1, wherein: and a gap of 0.02mm is reserved between the distance from the top end of the thimble (12) to the bottom end of the cavity (2.1).

5. The mold for producing the wall-hanging type triangular shelf according to claim 1, wherein: the push plate (11) is provided with at least three ejector pins (12).

6. The mold for producing the wall-hanging type triangular shelf according to claim 1, wherein: the four guide posts (9) and the four guide sleeves (10) are respectively and evenly distributed at four corners of the upper template (1) and the lower template (2).

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