CN220923211U - A mould for processing round below paint kettle - Google Patents

Abstract

The utility model provides a mould for processing go up round below paint kettle, includes die cavity part and core part, the die cavity part includes a die cavity framework, sets up the one end that link up in the die cavity framework and is square, and the other end is circular shape die cavity hole to set up the die cavity backing plate in the die cavity hole of square one end, set up the runner plate on die cavity framework and die cavity backing plate, set up the runner hole in the runner plate, the core part includes the core piece that corresponds with the die cavity hole, sets up the core backing plate on the core piece, and core piece and core backing plate stretch into in the die cavity hole to constitute the die cavity with the wall of die cavity hole and the inner wall of die cavity backing plate, runner hole intercommunication die cavity, the paint kettle of moulding plastics in the die cavity, set up the drawing of patterns part under the core piece, during the drawing of patterns, drawing of patterns part and paint kettle separation. The scheme has the advantages of simple structure, reliable demoulding, high production efficiency, particularly low cost and investment, good quality of the processed and molded paint bucket, high grade and very beneficial positive effects.

Description

A mould for processing round below paint kettle

Technical Field

The utility model relates to a die for processing a paint bucket below an upper circle, and belongs to the field of injection dies.

Background

The paint bucket is a plastic container for placing paint, and comprises a bucket body and a bucket cover, wherein the existing paint bucket is round, sealing strips are not needed between the bucket body and the bucket cover, direct matching contact is avoided, circular matching is reliable in sealing, requirements can be met without the sealing strips, and cost is saved. Therefore, no one has changed the shape of the paint bucket for many years. The present inventors have deeply ploughed the paint bucket processing industry for many years, and have recently devised a paint bucket with a top round lower side (i.e., the barrel opening of the barrel is circular, and the barrel body of the barrel is square (or polygonal), and filed a chinese appearance patent, so the present inventors have further devised a processing mold for processing the paint bucket.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a die for processing a paint bucket below an upper circle, which has the advantages of simple structure, low cost, smooth demoulding and high production efficiency.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: including die cavity part and core part, its characterized in that: the mold cavity part comprises a mold cavity frame body, one end which is communicated with the mold cavity frame body is square, the other end is a circular mold cavity hole, a mold cavity backing plate is arranged in the mold cavity hole at one end of the square, a gate plate is arranged on the mold cavity frame body and the mold cavity backing plate, a gate hole is arranged in the gate plate, the mold core part comprises a mold core block corresponding to the mold cavity hole, the mold core backing plate is arranged on the mold core block, the mold core block and the mold core backing plate extend into the mold cavity hole and form a mold cavity with four walls of the mold cavity hole and the inner wall of the mold cavity backing plate, the gate hole is communicated with the mold cavity, a paint bucket is molded in the mold cavity, a demolding part is arranged below the mold core block, and the demolding part is separated from the paint bucket during demolding.

The utility model relates to a mould for processing a paint bucket below an upper circle, which is mainly characterized in that a cavity hole which is communicated with a cavity frame body is arranged in the cavity frame body, one end of the cavity hole is square, the other end of the cavity hole is round, the shape of a core block corresponds to the cavity hole and stretches into the cavity hole, a mould cavity is formed by the core block, four walls of the cavity hole and the inner wall of a cavity backing plate, molten plastic raw materials are injected from a sprue hole during injection molding, the mould cavity is filled, after cooling and shaping, a paint bucket with a round barrel opening and a square barrel body is obtained, then a demoulding part is driven by power to be separated from the formed paint bucket, and finally the paint bucket is taken away by a manipulator to finish demoulding. The processing mould of this scheme, simple structure, the drawing of patterns is reliable, and production efficiency is high, and especially cost investment is saved, and the paint kettle of processing shaping is of high quality, and the grade is high, has very useful positive effect.

The utility model discloses a die for processing a paint bucket below an upper circle, wherein a demolding part comprises a core frame body arranged below a core block, the core frame body is matched with a parting surface of a cavity frame body, mold legs are arranged below the core frame body, a core compound plate is arranged below the mold legs, a lower top plate and an upper top plate are arranged between the mold legs, a top rod is connected to the upper top plate, a demolding assembly is arranged in the core block, the demolding assembly is contacted with a bucket edge of the paint bucket, and the top rod penetrates through the core frame body to be connected with the demolding assembly. When in demolding, the power drives the lower top plate and the upper top plate, the upper top plate drives the ejector rod, and the ejector rod drives the demolding assembly to be separated from the paint bucket, so that the paint bucket is convenient to take away by the mechanical arm. The stripper assembly comprises a clamping ring insert and a groove slide block, wherein the clamping ring insert is matched with the clamping ring, the groove slide block is matched with the groove, the clamping ring insert and the groove slide block are four blocks and are mutually spliced to form a circle, an extrusion limiting block is arranged at the outer end part of each splicing part, an ejector plate is arranged at the bottoms of the groove slide block and the extrusion limiting block, the ejector rod is connected with the ejector plate, the clamping ring insert is fixed on a core block, the groove slide block is arranged on the clamping ring insert, an inclined guide hole is arranged in the groove slide block, and an inclined guide rod is arranged in a core frame body and matched with the inclined guide hole. After the die is opened, the lower top plate and the upper top plate are pushed by power (generally a push rod on an injection molding machine), the upper push rod drives the push rod, the push rod drives the groove slide block and the extrusion limiting block to push upwards through the push rod, and the push rod simultaneously slides outwards under the action of the inclined guide rod, so that the groove slide block is separated from the groove, and after the groove slide block slides out, the upper wall of the clamping ring is also separated simultaneously, at the moment, the manipulator stretches into the die, the paint bucket is taken away from the core block, and the demolding is completed. The outer wall of the paint bucket body is provided with a flanging, the cavity frame body is internally provided with a flanging insert, and the flanging insert is matched with the flanging. The paint bucket has the turn-ups, and the transport of being convenient for, the turn-ups insert is used for the turn-ups shaping, and the mould is when the mould is opened, and the turn-ups insert directly takes off (pulls out) from the turn-ups, can the drawing of patterns.

Drawings

FIG. 1 is a schematic diagram of a paint bucket tooling mold of the present utility model;

FIG. 2 is a schematic diagram of a stripper portion of a paint bucket tooling mold of the present utility model;

FIG. 3 is a schematic view of a paint bucket mold cavity frame of the present utility model;

Fig. 4 is a schematic view of a paint bucket tooling mold core block of the present utility model.

Detailed Description

The utility model relates to a die for processing a paint bucket below an upper circle, which is shown in fig. 1-4, and comprises a cavity part and a core part, wherein the cavity part comprises a cavity frame body 1, a square through end is arranged in the cavity frame body, a round cavity hole 2 is arranged at the other end, a cavity backing plate 3 is arranged in the cavity hole 2 at one end of the square, a sprue plate 5 is arranged on the cavity frame body 1 and the cavity backing plate 3, a sprue hole 6 is arranged in the sprue plate, the core part comprises a core block 7 corresponding to the cavity hole 2, a core backing plate 8 is arranged on the core block, the core block 7 and the core backing plate 8 extend into the cavity hole 2, a cavity is formed by the four walls of the cavity hole and the inner wall of the cavity backing plate 3, the sprue hole 6 is communicated with a cavity, a paint bucket 9 is injected into the cavity, a demolding part is arranged below the core block 7, and the demolding part is separated from the paint bucket 9 during demolding. The main characteristics of this scheme are that set up in die cavity framework 1 and link up, and one end is square, and the other end is circular shape die cavity hole 2, core piece 7 shape and die cavity hole 2 corresponding to stretch into in the die cavity hole 2, constitute the die cavity with the four walls in die cavity hole and the inner wall of die cavity backing plate 3, during the injection molding, fused plastics raw materials is filled from runner hole 6, pack the die cavity, wait after the cooling design, obtain a bung hole and be circular, the ladle body is square paint kettle, then drive drawing of patterns part and fashioned paint kettle separation by power, the paint kettle is taken away by the manipulator at last, accomplish the drawing of patterns. The processing mould of this scheme, simple structure, the drawing of patterns is reliable, and production efficiency is high, and especially cost investment is saved, and the paint kettle of processing shaping is of high quality, and the grade is high, has very useful positive effect. The demolding part comprises a core frame body 10 arranged below a core block 7, the core frame body 10 is matched with a parting surface 11 of a cavity frame body 1, mold legs 12 are arranged below the core frame body, a core compound plate 13 is arranged below the mold legs, a lower top plate 15 and an upper top plate 16 are arranged between the mold legs, a top rod 17 is connected to the upper top plate, a demolding assembly is arranged in the core block 7 and is contacted with a bung rim of a paint bucket 9, and the top rod 17 penetrates through the core frame body 10 and is connected with the demolding assembly. When in demolding, the power drives the lower top plate and the upper top plate, the upper top plate drives the ejector rod, and the ejector rod drives the demolding assembly to be separated from the paint bucket, so that the paint bucket is convenient to take away by the mechanical arm. The stripper assembly comprises a clamping ring 20 and a groove 21 arranged outside a barrel mouth of a paint barrel 9, the clamping ring 22 is matched with the clamping ring 20, the groove 23 is matched with the groove 21, the clamping ring 22 and the groove 23 are four and are mutually spliced to form a circle, an extrusion limiting block 24 is arranged at the outer end part of each splicing part, an ejector plate 25 is arranged at the bottoms of the groove 23 and the extrusion limiting block 24, an ejector rod 17 is connected with the ejector plate 25, the clamping ring 22 is fixed on a core block 7, the groove 23 is provided with the clamping ring 22, an inclined guide hole 26 is arranged in the groove 23, an inclined guide rod 27 is arranged in the core box 10, and the inclined guide rod is matched with the inclined guide hole 26. After the die is opened, the lower top plate and the upper top plate are pushed by power (generally a push rod on an injection molding machine), the upper push rod drives the push rod, the push rod drives the groove slide block and the extrusion limiting block to push upwards through the push rod, and the push rod simultaneously slides outwards under the action of the inclined guide rod, so that the groove slide block is separated from the groove, and after the groove slide block slides out, the upper wall of the clamping ring is also separated simultaneously, at the moment, the manipulator stretches into the die, the paint bucket is taken away from the core block, and the demolding is completed. The outer wall of the paint bucket 9 is provided with a flanging 30, the cavity frame 1 is provided with a flanging insert 31, and the flanging insert 31 is matched with the flanging 30. The paint bucket has the turn-ups, and the transport of being convenient for, the turn-ups insert is used for the turn-ups shaping, and the mould is when the mould is opened, and the turn-ups insert directly takes off (pulls out) from the turn-ups, can the drawing of patterns.

Claims (4)

1. A mould for processing a paint bucket below an upper circle, comprising a cavity part and a core part, characterized in that: the mold cavity part comprises a mold cavity frame body (1), one end which is communicated with the mold cavity frame body is square, the other end is a circular mold cavity hole (2), a mold cavity base plate (3) is arranged in the mold cavity hole (2) at one end of the square, a pouring gate plate (5) is arranged on the mold cavity frame body (1) and the mold cavity base plate (3), a pouring gate hole (6) is arranged in the pouring gate plate, the mold core part comprises a mold core block (7) corresponding to the mold cavity hole (2), a mold core base plate (8) is arranged on the mold core block, the mold core block (7) and the mold core base plate (8) extend into the mold cavity hole (2) and form a mold cavity with the four walls of the mold cavity hole and the inner wall of the mold cavity base plate (3), the pouring gate hole (6) is communicated with the mold cavity, and a paint bucket (9) is molded in the mold cavity, a demolding part is arranged below the mold core block (7), and the demolding part is separated from the paint bucket (9) during demolding.

2. A mould for processing a paint bucket below an upper circle as claimed in claim 1, characterized in that the demoulding part comprises a core frame (10) arranged below a core block (7), the core frame (10) is matched with a parting surface (11) of the cavity frame (1), a mould foot (12) is arranged below the core frame, a core compound plate (13) is arranged below the mould foot, a lower top plate (15) and an upper top plate (16) are arranged between the mould feet, a top rod (17) is connected to the upper top plate, a demoulding assembly is arranged in the core block (7), the demoulding assembly is contacted with the edge of a bucket mouth of the paint bucket (9), and the top rod (17) penetrates through the core frame (10) to be connected with the demoulding assembly.

3. The mold for processing the paint bucket below the upper circle according to claim 2, characterized in that a clamping ring (20) and a groove (21) are arranged outside a bucket mouth of the paint bucket (9), the demolding assembly comprises a clamping ring insert (22) and a groove slide block (23), the clamping ring insert (22) is matched with the clamping ring (20), the groove slide block (23) is matched with the groove (21), the clamping ring insert (22) and the groove slide block (23) are four blocks and are mutually spliced to form a circle, an extrusion limiting block (24) is arranged at the outer end part of each splicing part, an ejector plate (25) is arranged at the bottoms of the groove slide block (23) and the extrusion limiting block (24), an ejector rod (17) is connected with the ejector plate (25), the clamping ring insert (22) is fixed on a core block (7), the groove slide block (23) is arranged on the clamping ring insert (22), an inclined guide hole (26) is arranged in the groove slide block (23), an inclined core (27) is arranged in the frame body (10), and the inclined guide hole (26) is matched with the guide rod.

4. A mould for processing a paint bucket below an upper circle as claimed in claim 1, characterized in that a flanging (30) is arranged on the outer wall of the bucket body of the paint bucket (9), a flanging insert (31) is arranged in the cavity frame body (1), and the flanging insert (31) is matched with the flanging (30).