CN215903815U - Material mixing device for blow molding machine - Google Patents

Abstract

The utility model discloses a material mixing device for a blow molding machine, and belongs to the field of blow molding equipment. The mixing device for the blow molding machine comprises a mixing hopper, a batching box and a batching mechanism; wherein, the compounding funnel up end is provided with a plurality of groups workbins, batching box internally mounted has the batching mechanism. The utility model optimizes the mixing mode of the traditional large-batch screw stirring into small-dose accurate proportioning by using the proportioning mechanism, and directly sends the proportioned mixture to the clearance of the extrusion screw through the mixing hopper; therefore, the control degree of the material mixing device on the material ratio is improved, the accurate material mixing is realized, and the quality of blow molding products is improved; in addition, the mixing mode of mixing materials at any time avoids the cost and energy of mixing material transfer, the problem of blockage is not easy to occur, and the influence on production is reduced.

Description

Material mixing device for blow molding machine

Technical Field

The utility model belongs to the field of blow molding equipment, and particularly relates to a mixing device for a blow molding machine.

Background

A blow molding machine is a plastic processing machine that uses a screw to extrude molten plastic pellets into a film. At present, a blow molding machine utilizes an independent external mixing device to mix plastic particles with different characteristics so as to meet the requirements of different products on the characteristics of toughness, strength, color and the like.

In the prior art, a material mixing device for a blow molding machine mostly adopts a screw stirring mode to mix materials, and then particles which are fully mixed are transferred to a melting material of the blow molding machine and are extruded to a mouth film by a screw; however, the precise proportioning of local materials cannot be realized by fully mixing large batches of materials, particularly, the large batches of mixed materials are sequentially fed into the screw gaps in smaller spaces, and the proportioning of the mixed materials in a single-section screw space directly determines the local characteristics of a molded product, which is an important reason for different surface hardness of blow molding products; therefore, the independent mixing device for the existing blow molding machine has low control degree on material proportion, and the mixture applied to the extrusion molding screw has great influence on product quality; in addition, transport the misce bene and need dispose negative pressure pipeline or artifical the transportation, cause auxiliary assembly's input, lead to the use cost height of compounding device, and the transportation process often appears the condition that the material blockked up the pipeline, and the mediation is difficult, influences production efficiency.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a compounding device for blow molding machine to solve the above-mentioned problem that prior art exists.

The technical scheme is as follows: a material mixing device for a blow molding machine comprises a material mixing hopper, a batching box and a batching mechanism; wherein, the compounding funnel up end is provided with a plurality of groups workbins, batching box internally mounted has the batching mechanism.

Furthermore, the mixing hopper consists of a bearing ring and a feeding nozzle, wherein the feeding nozzle is arranged in the middle of the bearing ring and is of a cone-barrel-shaped structure; the feed nozzle end extends to the inside of melt barrel, and the compounding funnel can deliver to the extrusion screw with the granule material that the proportional mixing is good, has reduced the transportation of compounding.

Furthermore, a plurality of batching boxes are arranged on the upper end face of the bearing ring, each batching box consists of a lifting supporting leg and a batching box main body, the lifting supporting legs are arranged on the lower end face of each batching box main body, each batching box main body is of a fan-shaped structure, a material falling hole is formed in the left part of each batching box main body, a storage bin is formed in the right part of each batching box main body, the bottom surface of each storage bin is of a curved surface structure, and a threaded mounting hole is formed in the bottom of each storage bin; the batching box is raised the stabilizer blade bed hedgehopping and conveniently carries, and the storage silo provides reasonable station for dosing mechanism to possess the stock function, the storage silo that the curved surface is low can lean on gravity to concentrate the material, has improved material utilization.

Furthermore, the batching mechanism comprises an ejection hydraulic part, a mounting screw, a dumping hydraulic part, a mounting plate, a blending block and a material ejection block, wherein the middle part of the mounting plate is connected with the mounting screw, the mounting screw penetrates through the mounting plate and is connected into the threaded mounting hole, the ejection hydraulic part and the dumping hydraulic part are respectively mounted on two sides of the mounting screw, the output end of the ejection hydraulic part is hinged with the lower end face of the left part of the material ejection block, the output end of the dumping hydraulic part is hinged with the lower end face of the right part of the material ejection block, and the blending block is arranged on the right part of the material ejection block; the batching mechanism can mix a small amount of materials many times at high frequency under the cooperation of batching box and compounding funnel, reaches the purpose of accurate ratio material, has improved the compounding quality.

Furthermore, a V-shaped material ejecting groove is formed in the upper end face of the material ejecting block, and the width of the V-shaped material ejecting groove is smaller than that of the granular materials; the structure of the material ejection block ensures that the quantity of the ejected materials at each time is a definite value, and the accuracy of material proportioning can be ensured.

Furthermore, the side surface of the blending block is of a long fan-shaped structure, and the blending block is made of magnetic metal; the material allocation block can occupy the position of the material ejection block according to the proportion requirement, and the material ordering quantity of the material ejection block is controlled.

Has the advantages that: the utility model optimizes the mixing mode of the traditional large-batch screw stirring into small-dose accurate proportioning by using the proportioning mechanism, and directly sends the proportioned mixture to the clearance of the extrusion screw through the mixing hopper; therefore, the control degree of the material mixing device on the material ratio is improved, the accurate material mixing is realized, and the quality of blow molding products is improved; in addition, the mixing mode of mixing materials at any time avoids the cost and energy of mixing material transfer, the problem of blockage is not easy to occur, and the influence on production is reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Figure 2 is a side cross-sectional view of the dispensing bin of the present invention.

Fig. 3 is a schematic structural diagram of the dosing mechanism of the present invention.

The reference signs are: mixing hopper 1, carrier ring 11, feeding nozzle 12, batching box 2, material drop hole 21, lift stabilizer blade 22, batching box main part 23, screw thread mounting hole 24, storage silo 25, dosing mechanism 3, ejecting hydraulic part 31, mounting screw 32, dump hydraulic part 33, mounting panel 34, blending block 35, material ejecting block 36.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

As shown in figure 1, the mixing device for the blow molding machine comprises a plurality of batching boxes 2 arranged on a mixing hopper 1 and batching mechanisms 3 arranged inside the batching boxes 2. Wherein, the compounding funnel 1 has been constituteed to carrier ring 11, feed nozzle 12, is the welding of awl bucket column structure feed nozzle 12 in the middle part of carrier ring 11, and the inside of feed nozzle 12 end extension to the melt barrel, compounding funnel 1 can deliver to the extrusion screw with the granule material that proportional mixing is good, has reduced the transportation of compounding.

As shown in fig. 1-2, a plurality of batching boxes 2 are arranged on the bearing ring 11 according to the requirement of mixing, the raising support legs 22 and the batching box main body 23 jointly form the batching box 2, the raising support legs 22 are arranged at the bottom of the batching box main body 23, and the raising support legs 22 can elevate the batching box main body 23 to facilitate carrying; the material falling hole 21 is arranged at the left part of the proportioning box main body 23 with a fan-shaped structure, the storage bin 25 with the bottom surface in a curved surface structure is arranged at the right part of the proportioning box main body, the storage bin 25 with a low curved surface can concentrate materials by gravity, the material utilization rate is improved, and the threaded mounting hole 24 is arranged at the bottom of the storage bin 25 and used for fixing the proportioning mechanism 3.

As shown in fig. 3, the ejecting hydraulic part 31, the mounting screw 32, the dumping hydraulic part 33, the mounting plate 34, the blending block 35 and the material ejecting block 36 together form the blending mechanism 3; the mounting plate 34 is arranged in the storage bin 25 and connected into the threaded mounting hole 24 through a mounting screw 32 connected with the middle of the mounting plate, the ejection hydraulic part 31 and the dumping hydraulic part 33 are respectively mounted on two sides of the mounting screw 32, the output end of the ejection hydraulic part 31 is hinged with the lower end face of the left part of the material ejection block 36, the output end of the dumping hydraulic part 33 is hinged with the lower end face of the right part of the material ejection block 36, a V-shaped ejection groove is formed in the upper end face of the material ejection block 36, the width of the V-shaped ejection groove is smaller than the width of a particle material, the quantity of the ejection materials of the material ejection block 36 is ensured, a plurality of blending blocks 35 made of magnetic metal materials are adsorbed in the V-shaped ejection groove of the material ejection block 36, and the side faces of the blending blocks 35 are of fan-shaped structures.

In particular, the end of the feeding mouth 12 of the mixing hopper 1 is arranged inside the melting barrel; when the blow molding machine is used, the using quantity of the batching boxes 2 is determined according to the characteristics of blow molding products, different quantities of blending blocks 35 are adsorbed on the material ejection blocks 36 according to the blending proportion, and then the batching boxes 2 with the batching mechanisms 3 arranged at the bottoms are placed on the blending hopper 1; then feeding the particles into a storage bin 25; in the material mixing process, the ejection hydraulic part 31 and the dumping hydraulic part 33 of the material mixing mechanism 3 work simultaneously, the material ejection block 36 arranged at the bottom of the storage bin 25 ejects the material surface, the structures of the material ejection block 36 and the blending block 35 only allow single particles to be arranged on the material ejection block 36 and determine the material mixing proportion, so that the material mixing precision is improved, when the material ejection block 36 is higher than the upper end surface of the material mixing box main body 23, the ejection hydraulic part 31 stops working, the dumping hydraulic part 33 continues to be lifted, the material ejection block 36 rotates by taking the highest point of the ejection hydraulic part 31 as the center, the particles on the material ejection block 36 are fed into the material falling hole 21, the particles pass through the material falling hole 21 to enter the feeding nozzle 12 to directly enter the gap of the extrusion molding screw, and the transfer of the mixed materials is reduced.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.

Claims (6)

1. A material mixing device for a blow molding machine comprises a material mixing hopper, a batching box and a batching mechanism; the mixing hopper is characterized in that a plurality of matched material boxes are arranged on the upper end face of the mixing hopper, and a material distributing mechanism is arranged inside each matched material box.

2. The mixing device for the blow molding machine according to claim 1, wherein the dosing mechanism is composed of an ejection hydraulic part, a mounting screw, a dumping hydraulic part, a mounting plate, a mixing block and a material ejection block, the mounting screw is connected to the middle of the mounting plate, the ejection hydraulic part and the dumping hydraulic part are respectively mounted on two sides of the mounting screw, the output end of the ejection hydraulic part is hinged to the lower end face of the left part of the material ejection block, the output end of the dumping hydraulic part is hinged to the lower end face of the right part of the material ejection block, and the mixing block is arranged on the right part of the material ejection block.

3. The mixing device for the blow molding machine as claimed in claim 2, wherein the upper end surface of the material ejection block is provided with a V-shaped ejection slot, and the width of the V-shaped ejection slot is smaller than that of the granules.

4. A mixing device for a blow molding machine as claimed in claim 2, wherein said blending block has a long fan-shaped structure on its side, and said blending block is made of magnetic metal.

5. A mixing device for a blow molding machine as claimed in claim 2, characterized in that the mixing funnel is composed of a bearing ring and a feeding nozzle, the feeding nozzle is installed in the middle of the bearing ring, and the feeding nozzle is in a cone-barrel structure.

6. The mixing device for the blow molding machine according to claim 5, characterized in that, the up end of carrier ring is provided with a plurality of batch bin, batch bin comprises raising stabilizer blade, batch bin main part, the lower terminal surface of batch bin main part is installed a plurality of and is raised the stabilizer blade, batch bin main part is fan-shaped structure, the material hole that falls has been seted up to the left part of batch bin main part, the storage silo has been seted up to the right part of batch bin main part, the bottom surface of storage silo is the curved surface structure, threaded mounting hole has been seted up to the bottom of storage silo, mounting screw passes the mounting panel and is connected in the threaded mounting hole.

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