CN219311802U

CN219311802U - Rotational molding test device for rotational molding composite material

Info

Publication number: CN219311802U
Application number: CN202223308731.1U
Authority: CN
Inventors: 梁聪立; 牧晓春; 陈涛
Original assignee: Wanyu Xiamen New Material Technology Co ltd
Current assignee: Wanyu Xiamen New Material Technology Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-07-07
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to a rotational molding test device for rotational molding composite materials, which comprises a base device and a rotational molding tank, wherein the base device comprises a bottom plate, a first bracket and a second bracket are respectively arranged on two sides of the bottom plate, the first bracket is fixedly connected to the bottom plate, the second bracket is slidably connected to a floor, and the distance between the first bracket and the second bracket is adjusted so as to load or unload the rotational molding tank; the first bracket and the second bracket are respectively and rotatably connected with a first clamping piece and a second clamping piece, and the rotational molding tank is limited and connected between the first clamping piece and the second clamping piece in a horizontal state; the outer side of the first clamping piece far away from the second clamping piece is provided with a rotary handle. At least one limiting groove is radially formed in the first clamping piece and the second clamping piece respectively, meanwhile, an adaptive limiting protrusion is arranged on the outer side face of the rotational molding tank respectively, and the limiting protrusions/limiting grooves are matched to form limiting connection.

Description

Rotational molding test device for rotational molding composite material

Technical Field

The utility model belongs to the technical field of material processing, and particularly relates to a rotational molding test device for rotational molding composite materials.

Background

The plastic material in the mould is gradually and evenly coated and fused on the whole surface of the mould cavity under the action of force and heat energy, and is formed into a required shape, and then cooled and shaped to form the product. Therefore, the rotational molding process is receiving more and more attention due to the advanced process and strong market competitiveness of the product, and is suitable for manufacturing large hollow rotational molding products.

However, the rotational molding material and its properties have an important influence on the rotational molding process and the properties of the rotational molded product, and therefore, for the modification enterprises of the rotational molding material, it is necessary to use a rotational molding test device to detect the influence of the modified rotational molding material on the rotational molding process and the properties of the rotational molded product, so as to control the quality of the modified material. However, if large rotational molding production equipment is adopted for testing, a large amount of test materials are required, the research and development or production cost is increased, and a simple rotational molding test device is actually adopted, so that the performance of the rotational molding product of the modified material can be evaluated, the research and development investment is reduced, and the rotational molding test device for rotational molding composite materials is lacking in the prior art. Accordingly, there is a need to provide an apparatus that solves the above-mentioned technical problems.

Disclosure of Invention

The utility model provides a rotational molding test device for rotational molding composite materials, which aims to solve the problem that the rotational molding test device for testing and evaluating the performance of a rotational molding process and rotational molding products thereof by modified rotational molding raw materials is lacking in the prior art, and adopts the following technical scheme:

the rotational molding test device for the rotational molding composite material comprises a base device and a rotational molding tank, wherein the base device comprises a bottom plate, a first bracket and a second bracket are respectively arranged on two sides of the bottom plate, the first bracket is fixedly connected to the bottom plate, the second bracket is slidably connected to the floor, and the distance between the first bracket and the second bracket is adjusted so as to load or unload the rotational molding tank; the first bracket and the second bracket are respectively and rotatably connected with a first clamping piece and a second clamping piece, and the rotational molding tank is limited and connected between the first clamping piece and the second clamping piece in a horizontal state; the outer side of the first clamping piece far away from the second clamping piece is provided with a rotary handle.

Preferably, at least one limiting groove is radially arranged on each of the first clamping piece and the second clamping piece, and meanwhile, adaptive limiting protrusions are respectively arranged on the outer side surfaces of the rotational molding tank, which correspond to the first clamping piece and the second clamping piece, respectively, and the limiting protrusions/limiting grooves are matched to form limiting connection.

Preferably, a sliding base is arranged on the bottom plate, a sliding groove is arranged at the center of the sliding base in the width direction, and two ends of the sliding groove extend along the two longitudinal ends of the sliding base;

the bottom of the second bracket is provided with a pulley, and after the bottom of the second bracket is placed in the sliding base, the second bracket is slidably connected with the bottom plate in the sliding groove through the pulley.

Preferably, the two sides of the sliding groove are respectively provided with a sliding auxiliary groove, meanwhile, the two sides of the second bracket are respectively provided with auxiliary feet, screw holes are formed in the auxiliary feet, and the auxiliary feet are fastened and connected with the sliding base through the sliding auxiliary grooves/screw holes by bolts.

Preferably, the rotational molding test device further comprises a heating device, and the heating device adopts an alcohol lamp or a heating electric furnace.

Preferably, the rotational molding tank is composed of a tank body and a cover body detachably and fixedly connected to a port of the tank body.

Preferably, the rotational molding tank is made of metal materials, such as stainless steel materials, and the tank diameter is 10-30cm.

The beneficial effects achieved by the utility model are as follows: the rotational molding test device has small demand on the rotational molding raw materials after modification in a single test, namely, the rotational molding process and the test demand of rotational molding samples can be met by using a small amount of the original rotational molding test device, the rotational molding raw materials can be tested and evaluated from the appearance and the detection performance of the rotational molding samples, the performance demands of customers are met, the test cost is reduced, and the test frequency is improved. Secondly, this rotational moulding test device uses conveniently, can improve the efficiency when the device uses, lets the practicality of device improve greatly.

Drawings

FIG. 1 is a schematic structural view of a rotational molding test apparatus.

Fig. 2 is a schematic view of a limit connection structure constructed by limit protrusions/limit grooves.

Fig. 3 is a schematic view of the structure taken along A-A for fig. 1.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear and obvious, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Please refer to fig. 1-3. The rotational molding test device for the rotational molding composite material comprises a base device and a rotational molding tank 11, wherein the base device comprises a bottom plate 1, a first support 3 and a second support 2 are respectively arranged on two sides of the bottom plate, the first support 3 is fixedly connected to the bottom plate 1, the second support 2 is slidably connected to the bottom plate 2, and the distance between the first support and the second support is adjusted to be used for loading or unloading the rotational molding tank 11.

The first bracket 3 and the second bracket 2 are respectively and rotatably connected (such as ball bearings 6 and 7) with the first clamping piece 5 and the second clamping piece 4, and the rotational molding tank 11 is limited and connected between the first clamping piece 5 and the second clamping piece 4 in a horizontal state. Wherein, the outside that first holder 5 kept away from the second holder is equipped with rotation handle 8. Specifically, the rotating handle 8 is used for driving the first clamping piece 5 to rotate at a constant speed through the action of the ball bearing or the roller, and further driving the rotational molding tank 11 to rotate, so that the rotational molding tank 11 can be heated uniformly, and the rotational molding uniformity is good.

In a specific embodiment, the limit connection between the clamping element and the rotomoulding tank 11 is achieved by the following embodiments: at least one limiting groove 13 is radially arranged on each of the first clamping piece 5 and the second clamping piece 4, and meanwhile, an adaptive limiting protrusion 14 is arranged on the outer side surfaces of the rotational molding tank, which correspond to the first clamping piece and the second clamping piece respectively, and the limiting protrusions 14 and the limiting grooves 13 are matched to form limiting connection.

In order to facilitate loading or unloading of the rotomolding tank 11, a sliding base 15 is arranged on the bottom plate, a sliding groove 9 is arranged at the center of the sliding base in the width direction, and two ends of the sliding groove 9 extend along two longitudinal ends of the sliding base. And meanwhile, the pulley 17 is arranged at the bottom of the second bracket, and after the bottom of the second bracket is placed in the sliding base, the second bracket is slidably connected with the bottom plate in the sliding groove through the pulley.

In the above embodiment, in order to further improve the stability of the second bracket, to avoid the second bracket from shaking or being unstable in the process of uniformly rotating the rotational molding tank 11, two sides of the sliding groove are respectively provided with sliding auxiliary grooves, meanwhile, two sides of the second bracket are respectively provided with auxiliary feet 16, screw holes are formed in the auxiliary feet, and the auxiliary feet 16 are fastened and connected with the sliding base 15 through the sliding auxiliary grooves/screw holes by adopting bolts 18 and nuts 19.

Obviously, the rotational molding test device also comprises a heating device 12, wherein the heating device 12 can adopt an alcohol lamp or a heating electric furnace.

In addition, the rotomolded tank 11 is composed of a tank body and a cover body (not shown in the figure) detachably and fixedly connected to a port of the tank body. Wherein, be equipped with a plurality of exhaust holes on the lid. The cover body can be connected with the tank body through threads, and can also be connected through a buckle. The rotational molding tank is made of metal materials, such as stainless steel materials, and the tank diameter is 10-30cm.

The rotational molding test device has the following test process: the rotational molding tank 11 is disassembled, the cover body is opened, rotational molding raw materials are added into the inner cavity of the rotational molding tank 11, the rotational molding raw materials are arranged on the first clamping piece and the second clamping piece after being assembled, limiting connection is formed through the cooperation of the limiting protrusions and the limiting grooves, the second support leg slides in the sliding groove, and then the auxiliary leg is further fastened and connected with the sliding base through the sliding auxiliary groove/the screw hole by adopting bolts. Finally, an alcohol lamp or a heating electric furnace is adopted, the handle 8 is rotated at a constant speed by hand, the rotational molding tank 11 is driven to rotate at a constant speed, the rotational molding tank 11 can be heated uniformly, and the rotational molding uniformity is good.

And after the test is finished, the rotational molding tank 11 is disassembled after cooling, the rotational molding product is taken out, the appearance of the rotational molding product is observed, and a test sample is cut for mechanical property detection and the like.

The utility model can meet the test requirements of rotational molding technology and rotational molding samples with a small amount of originals, can test and evaluate rotational molding raw materials from the appearance and the detection performance of the rotational molding samples, meets the performance requirements of clients, is beneficial to reducing the test cost, is convenient to use and improves the test frequency.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. A rotational molding test device for rotational molding combined material, including base device and rotational molding jar, wherein, base device includes the bottom plate the both sides of bottom plate are equipped with first support, second support, its characterized in that respectively: the first bracket is fixedly connected to the bottom plate, the second bracket is slidably connected to the floor, and the distance between the first bracket and the second bracket is adjusted so as to load or unload the rotational molding tank; the first bracket and the second bracket are respectively and rotatably connected with a first clamping piece and a second clamping piece, and the rotational molding tank is limited and connected between the first clamping piece and the second clamping piece in a horizontal state; the outer side of the first clamping piece far away from the second clamping piece is provided with a rotary handle.

2. The rotational molding test apparatus for rotational molding composite material according to claim 1, wherein: at least one limiting groove is radially formed in each of the first clamping piece and the second clamping piece, and meanwhile, adaptive limiting protrusions are respectively arranged on the outer side faces of the rotational molding tanks, which correspond to the first clamping piece and the second clamping piece, and the limiting protrusions/limiting grooves are matched to form limiting connection.

3. The rotational molding test apparatus for rotational molding composite material according to claim 1, wherein: a sliding base is arranged on the bottom plate, a sliding groove is arranged in the center of the sliding base in the width direction, and two ends of the sliding groove extend along two longitudinal ends of the sliding base;

4. A rotational moulding test apparatus for rotational moulding composite material according to claim 3, characterised in that: the two sides of the sliding groove are respectively provided with a sliding auxiliary groove, meanwhile, two sides of the second bracket are respectively provided with auxiliary feet, screw holes are formed in the auxiliary feet, and the auxiliary feet are fastened and connected with the sliding base through the sliding auxiliary grooves/screw holes by bolts.

5. A rotational moulding test apparatus for rotational moulding composite material according to any one of claims 1 to 4 characterised in that: the rotational molding test device further comprises a heating device, and the heating device adopts an alcohol lamp or a heating electric furnace.

6. A rotational moulding test apparatus for rotational moulding composite material according to any one of claims 1 to 4 characterised in that: the rotational molding tank consists of a tank body and a cover body detachably and fixedly connected to the port of the tank body.

7. The rotational molding test apparatus for rotational molding a composite material according to claim 5, wherein: the rotational molding tank is made of metal, and the diameter of the tank is 10-30cm.