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A technology of plastic tray and molding process, applied in the direction of plastic recycling and recycling technology, can solve the problems of low service life of plastic tray, unreasonable production process of plastic tray, unscientific ratio of raw materials, etc., and achieve low cost and good economy. Benefit, simple and convenient processing technology
Inactive Publication Date: 2019-04-26
上海樱花塑料制品有限公司
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Problems solved by technology
[0002] With the rapid development of the economy, logistics has become an important part of the production process. The country promotes green recycling packaging, and logistics pallet packaging recycling has become a future trend. Trays with long service life, sanitation, safety and high performance will become the first product of recycling sharing. However, The current production process of plastic pallets is unreasonable and the ratio of raw materials is unscientific, resulting in a low service life of plastic pallets
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Embodiment 1
[0019] Such as figure 1 Shown, a kind of plastic tray molding process comprises the following steps:
[0020] Step (1). Material inspection and mixing: Raw materials, color masterbatches, and additives are stored away from light and moisture after entering the factory for inspection. When using, mix raw materials, color masterbatches, and additives according to the mass ratio, and then put them into a mixer to fully stir and mix; raw materials , color masterbatch, additive mass ratio is 75:10:1, the raw materials include polyethylene, polypropylene, polyethylene, polypropylene mass ratio is 45:20;
[0021] Step (2). Injection molding: The mixed material is fully stirred by the mixer and enters the screw of the injection molding machine through the hopper of the injection molding machine, and plasticized for injection molding;
[0022] Step (3). Forming and picking up parts: open the injection mold through the driving mechanism, then eject the mold from the injection mold thro...
Embodiment 3
[0033] Such as figure 1 Shown, a kind of plastic tray molding process comprises the following steps:
[0034] Step (1). Material inspection and mixing: Raw materials, color masterbatches, and additives are stored away from light and moisture after entering the factory for inspection. When using, mix raw materials, color masterbatches, and additives according to the mass ratio, and then put them into a mixer to fully stir and mix; raw materials , color masterbatch, additive mass ratio is 80:15:5, the raw materials include polyethylene, polypropylene, polyethylene, polypropylene mass ratio is 80:40;
[0035] Step (2). Injection molding: The mixed material is fully stirred by the mixer and enters the screw of the injection molding machine through the hopper of the injection molding machine, and plasticized for injection molding;
[0036] Step (3). Forming and picking up parts: open the injection mold through the driving mechanism, then eject the mold from the injection mold thro...
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Abstract
The invention provides a plastic tray molding process and a formula. The plastic tray molding process comprises the following steps: (1) inspecting and mixing materials, namely mixing raw materials according to a mass ratio, putting into a stirring machine and sufficiently stirring and mixing; (2) carrying out injection molding, namely feeding the mixed materials into an injection molding machinescrew rod from an injection molding machine hopper, and carrying out plasticization and injection molding; (3) molding and taking a part out; (4) trimming and assembling, namely carrying out self-inspection trimming on the part taken out from an injection mold, removing rough edges and burr, and mounting a protection pad in a fixing groove in the bottom of a tray; (5) inspecting and storing in warehouses, namely inspecting the assembled trays, packaging and storing qualified trays in warehouses, crushing unqualified products, and recycling the crushed unqualified products as a raw material. According to the plastic tray molding process, waste materials are utilized, influence upon ambient environments can be reduced, the process is simple and convenient, requirements for mechanical equipment is not high, the cost is low, and good economic benefits can be made.
Description
technical field [0001] The invention relates to the technical field of plastic pallet processing methods, in particular to a plastic pallet molding process and formula. Background technique [0002] With the rapid development of the economy, logistics has become an important part of the production process. The country promotes green recycling packaging, and logistics pallet packaging recycling has become a future trend. Trays with long service life, sanitation, safety and high performance will become the first product of recycling sharing. However, The current production process of plastic pallets is unreasonable and the ratio of raw materials is unscientific, resulting in a low service life of plastic pallets. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a plastic tray molding process and formula to solve the problems raised in the above-mentioned background technology. [0004] The technical problem solved ...
Claims
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Application Information
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