Tray mold

Abstract

The utility model relates to a tray mold which comprises a tray bottom mold and a tray upper mold arranged above the tray bottom mold, an injection molding groove is formed in the top end of the tray bottom mold, a plurality of hydraulic cylinders are fixed to the bottom end in the injection molding groove, a lifting mother plate is fixed to the top ends of the hydraulic cylinders, and an annular fixing block is arranged at the top end of the tray bottom mold. In actual operation, after plastic particles are hot-pressed into a tray shape, the hydraulic cylinder is started and extends upwards to drive the lifting mother plate and the tray to ascend, so that the processed tray can be separated from the injection molding groove conveniently and is taken by personnel conveniently, meanwhile, when the tray ascends, the fan is started, wind power generated by the fan can be blown out from the wind groove, and the tray is prevented from being damaged. And therefore, the rising tray is cooled.

Description

Technical Field

[0001] This utility model relates to the field of pallet molds, and in particular to a pallet mold. Background Technology

[0002] Pallet molds are primarily used for manufacturing pallets. They are key pieces of equipment for injection molding plastic pallets, using methods such as injection molding, blow molding, vacuum forming, and extrusion molding to produce plastic pallets.

[0003] In the existing technology, plastic granules are injected into a pallet mold, and then the granules are melted and pressed into a suitable pallet shape using hot pressing. However, the outer side of the pallet formed by hot pressing is prone to burrs and edge lifting, which requires further processing and is quite troublesome.

[0004] Therefore, it is necessary to propose a new pallet mold to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a pallet mold to solve the problem in the prior art where plastic granules are injected into the pallet mold and then melted and pressed into a suitable pallet shape by hot pressing. However, the outer side of the pallet formed by hot pressing is prone to burrs, which requires subsequent processing and is quite troublesome.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a pallet mold, comprising a pallet bottom mold and a pallet top mold disposed above the pallet bottom mold, wherein the top of the pallet bottom mold is provided with an injection groove, and a plurality of hydraulic cylinders are fixed at the bottom of the injection groove, and a lifting mother plate is fixed at the top of the plurality of hydraulic cylinders;

[0007] The top of the tray bottom mold is provided with an annular fixing block, which is sleeved on the outside of the injection groove. A cutter is telescopically provided on the inner side of the annular fixing block. An air groove is opened below the cutter. A fan is embedded in the top of the tray bottom mold. An air pipe is connected between the inside of the air groove and the air outlet of the fan. The air groove is opened on the inner side of the annular fixing block.

[0008] Preferably, the annular fixing block has a groove on its inner side, a spring is fixed inside the groove, one end of the spring is connected to the cutter, and the cutter extends out of the groove.

[0009] Preferably, the lifting mother plate is provided with an electric heating tube inside, and the top of the lifting mother plate is provided with a protrusion molded into a tray.

[0010] Preferably, the bottom mold and the top mold of the tray are provided with sliding holes on opposite sides, and a sliding rod is provided between the two corresponding sliding holes.

[0011] Preferably, the bottom end of the tray upper die is fixed with a protruding end, which corresponds to the inside of the injection slot.

[0012] Preferably, the cutter is provided with four, which are respectively arranged in the four edges of the annular fixed block.

[0013] Preferably, the height of the annular fixed block is higher than that of the injection slot.

[0014] The technical effects and advantages of the utility model are: when the plastic particles are hot-pressed into a tray shape, the hydraulic cylinder is started, the hydraulic cylinder is stretched upwards, drives the lifting base plate and the tray to rise, so that the processed tray can be separated from the injection slot, and personnel can take it conveniently, and at the same time, the fan is started when the tray rises, the wind power generated by the fan is blown out from the air groove, so that the rising tray is cooled.

[0015] After the tray rises, the outer side of the tray will contact the cutter, the cutter can cut off the burrs on the outer side of the tray, and if the burrs appear on the outer side of the tray, the wind power will make the burrs cool and harden quickly, so that the burrs are cut off conveniently, and the problem that the burrs are too soft and cannot be cut off is avoided. DRAWINGS

[0016] Figure 1 It is a structure schematic view of the tray die of the utility model.

[0017] Figure 2 It is a structure schematic view of the tray bottom die of the utility model.

[0018] Figure 3 It is a structure schematic view of the utility model Figure 2 It is an enlarged schematic view of A.

[0019] Figure 4 It is a structure schematic view of the groove and spring of the utility model.

[0020] Figure 5 It is a structure schematic view of the lifting base plate and hydraulic cylinder of the utility model.

[0021] In the drawing: 1, tray bottom die; 2, tray upper die; 3, sliding rod; 4, sliding hole; 5, injection slot; 6, protruding end; 7, annular fixed block; 8, cutter; 9, groove; 10, spring; 11, air groove; 12, lifting base plate; 13, hydraulic cylinder; 14, electric heating pipe; 15, fan. CONCRETE IMPLEMENTATION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] The utility model provides a tray mould as shown in Figure 1 - Figure 5 As shown in a tray mould, including tray bottom die 1 and setting in tray bottom die 1 top tray upper die 2, tray bottom die 1 top end is provided with injection slot 5, and the opposite side of tray bottom die 1 and tray upper die 2 is provided with sliding hole 4, and sliding rod 3 is arranged between two upper and lower corresponding sliding holes 4, and the bottom end of tray upper die 2 is fixed with protruding end 6, and the inside of protruding end 6 and injection slot 5 corresponds, in the actual operation of the utility model, the plastic particles needed to be produced can be poured into the inside of injection slot 5, and the cooperation of tray bottom die 1 and tray upper die 2 can heat-press into the tray needed.

[0024] Specifically, the lifting mechanism, such as a lift or a pneumatic cylinder, can be connected to the top end of the tray upper die 2 to drive the tray upper die 2 to rise and separate the tray upper die 2 from the tray bottom die 1.

[0025] A plurality of hydraulic cylinders 13 are fixed to the inside bottom end of the injection slot 5, a lifting mother plate 12 is fixed to the top end of the plurality of hydraulic cylinders 13, an electric heating tube 14 is arranged in the inside of the lifting mother plate 12, and a protrusion for injection molding into a tray is arranged at the top end of the lifting mother plate 12. When the plastic particles are poured into the injection slot 5, they will accumulate at the top end of the lifting mother plate 12. The plastic particles can be melted by heating through the electric heating tube 14, and the melted plastic particles can be extruded into a tray shape by the extrusion of the protruding end 6.

[0026] An annular fixing block 7 is arranged at the top end of the tray bottom die 1, the annular fixing block 7 is sleeved on the outside of the injection slot 5, a cutter 8 is telescopically arranged on the inside of the annular fixing block 7, an air slot 11 is arranged below the cutter 8, a fan 15 is embedded in the top end of the tray bottom die 1, an air pipe is connected between the inside of the air slot 11 and the air outlet of the fan 15, the air slot 11 is arranged on the inside of the annular fixing block 7, a groove 9 is arranged on the inside of the annular fixing block 7, a spring 10 is fixed in the inside of the groove 9, one end of the spring 10 is connected with the cutter 8, and the cutter 8 extends out of the groove 9.

[0027] In the practical operation of the utility model, when the plastic particles are hot-pressed into a tray shape, the hydraulic cylinder 13 is started, the hydraulic cylinder 13 extends upwards, drives the lifting female plate 12 and the tray to rise, so that the processed tray can be separated from the injection molding groove 5, and personnel can take it conveniently, meanwhile, the fan 15 is started when the tray rises, the wind power generated by the fan 15 is blown out from the air groove 11, so that the rising tray is cooled.

[0028] Further, after the tray rises, the outer side of the tray will contact the cutter 8, the burrs on the outer side of the tray can be cut off by the cutter 8, and if the burrs appear on the outer side of the tray, the action of the wind power will make the burrs cool and harden quickly, so that the burrs are cut off conveniently, and the problem that the burrs are too soft to be cut off is avoided.

[0029] Since the cutter 8 can be retracted, when a large bump appears on the outer side of the tray, the cutter 8 is retracted to avoid the situation that the tray is blocked from rising.

[0030] The cutter 8 is provided with four, the four cutters 8 are respectively arranged in the four sides inside the annular fixed block 7, and the height of the annular fixed block 7 is higher than the height of the injection molding groove 5.

Claims

1. A tray mold comprising a tray bottom mold (1) and a tray top mold (2) disposed above the tray bottom mold (1), characterized in that: The tray bottom die (1) top end is provided with injection slot (5), the injection slot (5) inside bottom end is fixed with multiple hydraulic cylinders (13), multiple hydraulic cylinders (13) top end is fixed with lifting female board (12);The tray bottom die (1) top end is provided with annular fixed block (7), the annular fixed block (7) is set on the outside of injection slot (5), the annular fixed block (7) inside telescopic setting has cutter (8), cutter (8) below is provided with wind groove (11), the tray bottom die (1) top end is embedded with fan (15), the wind groove (11) inside and the air outlet of fan (15) between connection has trachea, the wind groove (11) is set in annular fixed block (7) inside.

2. The tray mold of claim 1, wherein: The annular fixed block (7) inside is provided with recess (9), the recess (9) inside is fixed with spring (10), one end of spring (10) and cutter (8) are connected, cutter (8) extends recess (9).

3. The tray mold of claim 1, wherein: The inside of the lifting female board (12) is provided with electric heating tube (14), the top of the lifting female board (12) is provided with the convex block of injection molding into tray.

4. The tray mold of claim 1, wherein: The tray bottom die (1) and tray top die (2) opposite side are provided with sliding hole (4), two corresponding sliding hole (4) between setting sliding rod (3).

5. The tray mold of claim 1, wherein: The bottom of the tray top die (2) is fixed with protruding end (6), the protruding end (6) and the inside of injection slot (5) correspond.

6. The tray mold of claim 1, wherein: The cutter (8) is provided with four, four cutters (8) are respectively telescopic setting in the four edges of annular fixed block (7) inside.

7. The tray mold of claim 1, wherein: The height of the annular fixed block (7) is higher than the height of injection slot (5).

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