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A kind of hard suitcase and its manufacturing method

A production method and technology of suitcases, which are applied to suitcases, travel goods, and other household appliances, etc., can solve the problems of difficult temperature balance control, structural adjustment, and low barrel temperature of injection molding machines, so as to reduce preparation time, The thickness of the box is uniform and the effect of ensuring the degree of fastness

Active Publication Date: 2016-05-25
HANGZHOU GEMA SUITCASES & BAGS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above process is repeated. In the process of continuous production of articles, the mold is always heated, and the mold is deformed due to high heat, and the cost of the mold is high.
In addition, in the process of injecting resin, it is not easy to control the temperature balance of the injection molding machine. In addition, the temperature of the barrel is lower than that of thermoplastic resin, which is easy to cause clogging of the nozzle and insufficient material, which makes the production cost high and the cycle is long. And once the object is formed , structural adjustment is difficult

Method used

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  • A kind of hard suitcase and its manufacturing method
  • A kind of hard suitcase and its manufacturing method
  • A kind of hard suitcase and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0059] A hard suitcase, comprising an upper case body 1 and a lower case body 2, the upper case body 1 and the lower case body 2 are connected through a lining 18.

[0060] Both the upper box body 1 and the lower box body 2 include a bottom plate 3, an indentation belt 4 and a surrounding frame; the surrounding frame is vertically connected to the bottom plate 3 through the indentation belt 4; the cross section of the indentation belt 4 is arranged in an arc shape The surrounding frame includes a long frame 5 and a short frame 6; the long frame 5, the short frame 6 and the bottom plate 3 are surrounded to form an accommodation space; the long frame 5 and the short frame 6 are overlapped and fixed at the four corners of the box ; Both sides of the top of the base plate 3 are provided with top arc holes 9; both sides of the bottom of the base plate 3 are provided with bottom arc holes 13; Matching bottom support 14; the bottom support 14 is provided with a roller 14e; the inner ...

Embodiment 2

[0081]In this embodiment, a hard suitcase, the outer side of the top arc-shaped hole 9 is provided with a top support 12 that is plugged and fitted with the top arc-shaped hole 9; the inner side of the top arc-shaped hole 9 is provided with a The top support member 12 is plug-fitted and the top connector 11 is screwed; the top support member 12 and the top connector 11 close the top arc hole 9;

[0082] The top connector 11 includes a fan-shaped top connection base plate 11a and a top connection insert plate 11c perpendicular to the top connection base plate 11a; the top connection base plate 11a is provided with a top connection threaded hole 11b adapted to the corner hole 3a; The top connection board 11c is connected to the arc edge of the top connection base plate 11a; the top connection board 11c is provided with a top connection plug 11d; the top support member 12 includes a fan-shaped top support base plate 12a and a The top support plate 12c of the top support base plat...

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Abstract

The invention discloses a hard travelling case and a manufacturing method thereof, belonging to the technical field of travelling cases and manufacturing method thereof. The hard travelling case comprises an upper case body and a lower case body which are connected through lining, wherein each of the upper case body and the lower case body comprises a bottom plate, an impression belt and a surrounding frame which includes a long side frame and a short side frame, the long side frame and the short side frame are superposed and fixed on four corners of the case body; top arc-shaped holes are formed in the two sides of the top of the bottom plate; bottom arc-shaped holes are formed in two sides of the bottom of the bottom plate; bottom supporting parts which are in connected with the bottom arc-shaped holes are arranged at the outer sides of the bottom arc-shaped holes. According to the travelling case and the manufacturing method thereof disclosed by the invention, the conception is delicate and the structure design is reasonable; after being reasonably cut, rectangular plates are jointed in a thermoplastic manner to form the travelling case which is uniform in thickness, so that the defect that the plastic on a plastic-uptake molding corner is relatively thin is overcome, the firmness degree of the case is guaranteed. The whole production process can be streamlined, so that the production cost is lowered and the manufacturing time is shortened.

Description

technical field [0001] The invention belongs to the technical field of a suitcase and its manufacturing method, and in particular relates to a hard suitcase and its manufacturing method. Background technique [0002] In the prior art, there are two production processes for hard suitcases made of resin: [0003] One is blister molding: blister molding, using a blister molding machine to absorb the heated and softened resin hard sheet on the surface of the mold, and after cooling, it forms a concave-convex plastic. The disadvantage is that in the production process of the hard resin sheet, the flat large-area plastic is fine, but at the corners of the article, due to excessive stretching, the plastic at the corners is relatively thin, and the fastness and strength of the bag are weakened. [0004] Another method is injection molding: Injection molding is to heat and melt the resin material, and the melted material is injected into the cavity of the mold under high pressure, a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A45C5/04A45C5/02B29D22/00
Inventor 吕强
Owner HANGZHOU GEMA SUITCASES & BAGS
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