Injection molding waste recycling and melting equipment

Abstract

The utility model discloses injection molding waste recycling and melting equipment, and belongs to the technical field of injection molding processing equipment. Comprising a melting cylinder; a preheating box is fixedly arranged on the melting cylinder and communicates with the melting cylinder. A sliding groove is formed in the preheating box, two sliding plates which are spliced with each other are arranged in the sliding groove in a sliding mode, and a plurality of evenly-distributed communicating holes are formed in the sliding plates. Supporting plates are fixedly connected to the two sides of the preheating box, hydraulic rods capable of driving the sliding plates to slide are arranged on the supporting plates, and sealing assemblies corresponding to the sliding grooves are arranged on the hydraulic rods. An end cover is arranged on the preheating box, the waste frame is inversely placed in the preheating box, one part of the communicating holes are located in the waste frame, and the other part of the communicating holes are located outside the waste frame. Hot air in the melting cylinder is used for preheating the waste frame, and energy waste can be reduced; meanwhile, the communicating holes are formed, the interior and the exterior of the waste frame can be heated at the same time, and preheating uniformity is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model provides a kind of injection molding waste recycling melting equipment, belong to injection molding processing equipment technical field. BACKGROUND

[0002] With the rapid development of plastics industry, injection molding technology has been widely used in automobile, electronics, household appliances and other fields, and becomes an important part of modern manufacturing. However, in the injection molding process, the waste generated is also increasingly significant, which not only wastes valuable raw materials, but also causes potential impact on the environment. The prior art usually recycles and reuses injection molding waste, and puts the waste generated by injection molding back into the melting equipment to melt the flow state for re-injection molding.

[0003] For the frame-shaped waste of injection molding, the waste is usually directly put into the melting cylinder for melting. The frame-shaped waste in cooling state directly enters the melting cylinder, which can cause a large instantaneous change in temperature in the melting cylinder, which is not conducive to the melting effect. Therefore, before recycling and melting the waste, a preheating device is usually provided to preheat the waste. However, preheating often wastes a lot of energy, and the uniformity of preheating is also difficult to guarantee, which often requires two sets of preheating devices for the inside and outside of the frame-shaped waste, which is troublesome. Therefore, an injection molding waste recycling melting equipment is needed to solve the above problems. SUMMARY

[0004] The technical problem to be solved by the utility model is that preheating the waste in cooling state is easy to waste a lot of energy, and it is not convenient to guarantee the uniformity of preheating, which affects the melting effect.

[0005] The utility model provides a kind of injection molding waste recycling melting equipment, belong to injection molding processing equipment technical field.

[0006] As an improvement, the sealing assembly is a sealing plate, which is fixed on the output shaft of the hydraulic rod and seals the sliding groove. The output end of the hydraulic rod is fixedly connected with the sliding plate.

[0007] As improved, the hydraulic rod is provided with two, and the two hydraulic rods are completely same, and the two hydraulic rods are controlled by the same circuit.

[0008] As improved, the stirring mechanism comprises a rotating motor, a stirring shaft and stirring blades, the rotating motor is arranged at the bottom of the melting cylinder, the stirring shaft is located in the melting cylinder and is fixedly connected to the output shaft of the rotating motor, and the stirring blades are fixedly connected to the stirring shaft.

[0009] As improved, the inner wall of the melting cylinder is provided with a temperature sensor, the outer wall of the melting cylinder is provided with a controller connected with the temperature sensor circuit, and the controller is connected with the control circuit of the heating plate.

[0010] As improved, the preheating box is provided with a clamping groove, the end cover is fixedly connected with a clamping block located in the clamping groove at the lower end, a handle is fixedly connected to the end cover, and air holes are arranged on the end cover.

[0011] The utility model discloses beneficial effect:

[0012] 1, preheating box communicates with the melting cylinder, can guide the heat in the melting cylinder into the preheating box through the communication hole, thereby preheats the scrap frame in the preheating box, thereby guarantees the scrap frame to enter the melting cylinder with certain temperature state, reduces the temperature fluctuation in the melting cylinder, and does not need to use the additional energy, reduces energy waste.

[0013] 2, scrap frame is placed in the preheating box upside down, and one part of communication hole is located in the scrap frame, and another part of communication hole is located outside the scrap frame, hot gas can enter the outside and the inside of the scrap frame through the communication hole simultaneously, thereby guaranteeing the uniformity of preheating inside and outside the scrap frame, and the two mutually spliced sliding plates are slidably arranged, can be separated quickly, thereby making the preheated scrap frame enter the melting cylinder. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a perspective view of the injection molding scrap recycling melting equipment.

[0015] Figure 2 It is a perspective view of the injection molding scrap recycling melting equipment from another angle.

[0016] Figure 3 It is a sectional view of the melting cylinder of the injection molding scrap recycling melting equipment.

[0017] Figure 4 It is a sectional view of the preheating box of the injection molding scrap recycling melting equipment.

[0018] Figure 5 It is a perspective view of the sliding plate of the injection molding scrap recycling melting equipment.

[0019] 1, melt cylinder; 2, controller; 3, preheating box; 4, end cover; 5, handle; 6, air hole; 7, outflow pipe; 8, support plate; 9, hydraulic rod; 10, sealing plate; 11, rotating motor; 12, heating plate; 13, stirring shaft; 14, sliding plate; 15, communication hole; 16, temperature sensor; 17, sliding groove; 18, clamping groove; 19, clamping block; 20, waste frame. DETAILED DESCRIPTION

[0020] The utility model is further explained in connection with the drawings.

[0021] According to Figures 1-5 The utility model provides a kind of injection molding waste recovery melting equipment: including melt cylinder 1, melt cylinder 1 bottom is provided with stirring mechanism;Melt cylinder 1 is provided with heating plate 12 in, and melt cylinder 1 bottom is connected with outflow pipe 7;

[0022] Preheating box 3 is fixedly arranged on melt cylinder 1, and preheating box 3 is communicated with melt cylinder 1;Preheating box 3 is opened in sliding groove 17, two mutually spliced sliding plates 14 are slidably arranged in sliding groove 17, and a plurality of evenly distributed communication holes 15 are opened in sliding plate 14;Preheating box 3 both sides are fixedly connected with support plate 8, and support plate 8 is provided with hydraulic rod 9 that can drive sliding plate 14 to slide, and hydraulic rod 9 is provided with sealing assembly corresponding with sliding groove 17;Preheating box 3 is provided with end cover 4, waste frame 20 is placed in preheating box 3 upside down, part communication hole 15 is located in waste frame 20, and another part communication hole 15 is located in waste frame 20.

[0023] As Figure 4 、 5 Sealing assembly is sealing plate 10, sealing plate 10 is fixedly sleeved on the output shaft of hydraulic rod 9, and sealing plate 10 seals sliding groove 17;The output end of hydraulic rod 9 is fixedly connected with sliding plate 14.Sealing plate 10 can seal sliding groove 17, and the working state of sealing plate 10 can be controlled by hydraulic rod 9, and is synchronous with the sliding state of sliding plate 14.Two hydraulic rods 9 are provided, and two hydraulic rods 9 are completely same, and two hydraulic rods 9 are controlled by same circuit, can guarantee the working consistency of two spliced sliding plates 14.

[0024] As Figure 3As shown, the stirring mechanism includes a rotating motor 11, a stirring shaft 13, stirring blades, the rotating motor 11 is arranged at the bottom of the melting cylinder 1, the stirring shaft 13 is located in the melting cylinder 1, and the stirring shaft 13 is fixedly connected to the output shaft of the rotating motor 11; the stirring blades are fixedly connected to the stirring shaft 13 and can play a stirring and mixing role on the molten waste. The inner wall of the melting cylinder 1 is provided with a temperature sensor 16, the outer wall of the melting cylinder 1 is provided with a controller 2 connected with the temperature sensor 16 in circuit, and the controller 2 is connected with the control circuit of the heating plate 12. The temperature sensor 16 can monitor the temperature in the melting cylinder 1 in real time, and the controller 2 is used to control the working state of the heating plate 12, so that the temperature in the melting cylinder 1 is ensured to be in a suitable temperature range, and the melting effect is improved.

[0025] As shown in Figure 1 , 4 , the end cover 4 is fixedly connected with a handle 5, and the end cover 4 is provided with a ventilation hole 6, which can play a ventilation role. The preheating box 3 is provided with a clamping groove 18, and the end cover 4 is fixedly connected with a clamping block 19 located in the clamping groove 18, which facilitates the taking and placing of the end cover 4.

[0026] The principle of the utility model

[0027] As shown in Figure 1 , 2 , 4, when the injection molding waste recycling melting equipment provided by the present application works, the end cover 4 is opened, the waste frame 20 is placed upside down on the two sliding plates 14, so that part of the communication holes 15 are located in the waste frame 20, and the other part of the communication holes 15 are located outside the waste frame 20. Due to the communication of the communication holes 15, the hot air generated in the melting cylinder 1 can enter the preheating box 3 through the communication holes 15, part of the hot air enters the inside of the waste frame 20, and part of the hot air enters the outside of the waste frame 20, which can preheat the inside and outside of the waste frame 20 at the same time, and does not need to use external energy, saving resources.

[0028] As shown in Figure 3 , 4 , 5, when the waste frame 20 is preheated, the hydraulic rod 9 is directly started, the sealing plate 10 is separated from the preheating box 3, and the two sliding plates 14 are driven by the hydraulic rod 9 to move away from each other, the waste frame 20 falls off from the two sliding plates 14 and falls into the melting cylinder 1, at this time, the waste frame 20 enters the melting cylinder 1 at a certain initial temperature, which can reduce the temperature fluctuation in the melting cylinder 1, the stirring blades work to stir the inside of the melting cylinder 1, and normal melting can be realized. The temperature sensor 16 can monitor the temperature in the melting cylinder 1, and adjust the working state of the heating plate 12 according to the monitoring result.

[0029] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A injection molding waste recycling melting device, comprising a melting cylinder (1), the bottom of the melting cylinder (1) is provided with a stirring mechanism; a heating plate (12) is arranged in the melting cylinder (1), and an outflow pipe (7) is connected to the bottom of the melting cylinder (1); characterized in that: a preheating box (3) is fixedly arranged on the melting cylinder (1) and communicates with the melting cylinder (1); a sliding groove (17) is formed in the preheating box (3), two sliding plates (14) that are spliced with each other are slidably arranged in the sliding groove (17), and a plurality of communication holes (15) that are uniformly distributed are formed in the sliding plates (14); support plates (8) are fixedly connected to the two sides of the preheating box (3), the support plates (8) are provided with hydraulic rods (9) capable of driving the sliding plates (14) to slide, and the hydraulic rods (9) are provided with sealing assemblies corresponding to the sliding groove (17); an end cover (4) is arranged on the preheating box (3), a waste frame (20) is placed in the preheating box (3) upside down, part of the communication holes (15) are located in the waste frame (20), and the other part of the communication holes (15) are located outside the waste frame (20).

2. The injection molding waste recycling melting device according to claim 1, characterized in that: The sealing assembly is a sealing plate (10), the sealing plate (10) is fixedly sleeved on the output shaft of the hydraulic rod (9), and the sealing plate (10) seals the sliding groove (17); the output end of the hydraulic rod (9) is fixedly connected with the sliding plate (14).

3. The injection molding waste recovery melting apparatus according to claim 2, wherein: The hydraulic rod (9) is provided with two, and the two hydraulic rods (9) are completely same, and the two hydraulic rods (9) are controlled by the same circuit.

4. The injection molding waste recycling melting apparatus according to claim 1, wherein: The stirring mechanism comprises a rotating motor (11), a stirring shaft (13) and stirring blades, the rotating motor (11) is arranged at the bottom of the melting cylinder (1), the stirring shaft (13) is located in the melting cylinder (1), and the stirring shaft (13) is fixedly connected to the output shaft of the rotating motor (11); the stirring blades are fixedly connected to the stirring shaft (13).

5. The injection molding waste recovery melting apparatus according to claim 4, wherein: A temperature sensor (16) is arranged on the inner wall of the melting cylinder (1), a controller (2) that is electrically connected with the temperature sensor (16) is arranged on the outer wall of the melting cylinder (1), and the controller (2) is connected with the control circuit of the heating plate (12).

6. The injection molding waste recovery melting apparatus according to claim 1, wherein: A clamping groove (18) is formed in the preheating box (3), a clamping block (19) that is fixedly connected to the lower end of the end cover (4) is located in the clamping groove (18); a handle (5) is fixedly connected to the end cover (4), and a ventilation hole (6) is formed in the end cover (4). A clamping groove (18) is formed in the preheating box (3), a clamping block (19) that is fixedly connected to the lower end of the end cover (4) is located in the clamping groove (18); a handle (5) is fixedly connected to the end cover (4), and a ventilation hole (6) is formed in the end cover (4).

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