Discharging device for plastic particles

Abstract

The utility model belongs to the technical field of plastic particle production, and particularly relates to a blanking device for plastic particles, which comprises a blanking box, a mounting bracket is fixed on the outer wall of the rear part of the top of the blanking box, the bottom end of the blanking box is fixedly communicated with a receiving hopper, a feed port and a discharge port are arranged inside the front end of the blanking box, and the feed port is communicated with the receiving hopper. A first screening plate is fixedly arranged on the inner side of the discharging box, a guide plate is arranged on the upper left portion of the first screening plate and fixedly installed on the inner wall of the left end of the discharging box, a spiral conveying mechanism is arranged in the middle of the front portion of the discharging box, a feeding box is arranged on the upper left portion of the spiral conveying mechanism, and one end of the feeding box communicates with a feeding port. A recycling box is arranged in the middle of the bottom end of the spiral conveying mechanism, and one end of the recycling box communicates with the discharging opening. According to the plastic particle screening device, plastic particles with large particle sizes can be screened out, and adverse effects on the quality of the plastic particles of the batch are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of plastic particle production, especially a kind of unloading device for plastic particle. BACKGROUND

[0002] ‌Plastic particles refer to granular plastics, which can be used to manufacture various products such as plastic bags, barrels, pots, plastic films and buttons. During the production of plastic particles, a unloading device is needed for receiving and unloading plastic particles.

[0003] In the Chinese utility model patent with publication number CN212472093U, a unloading device for plastic particles is disclosed. During the unloading process, the dryness and non-sticking of the plastic particles are guaranteed, and the unloading is done in batches. However, during the processing of plastic particles, the plastic needs to be melted and compressed into strips before being cooled and cut into plastic particles. Especially when cutting the tail of the plastic strip, it is easy to produce plastic particles with large particle size. Since the above-mentioned unloading device lacks the function of screening out plastic particles with large particle size, the overall quality of the plastic particles is affected. Therefore, there is an urgent need to improve the existing plastic particle unloading device and provide a unloading device for plastic particles with screening function. UTILITY MODEL CONTENT

[0004] The utility model aims at the deficiencies in the prior art and provides a unloading device for plastic particles with reasonable design, simple structure and screening function to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A unloading device for plastic particles includes a unloading box. An installation bracket is fixed on the top rear outer wall of the unloading box. A receiving hopper is fixed and communicated at the bottom end of the unloading box. An inlet and a discharge port are formed in the front end of the unloading box. A first sieve plate is fixed on the inner side of the unloading box. A guide plate is provided on the left upper side of the first sieve plate. The guide plate is fixedly installed on the left end inner wall of the unloading box. A spiral conveying mechanism is provided at the front middle position of the unloading box. A feeding box is provided on the left upper side of the spiral conveying mechanism. One end of the feeding box is communicated with the inlet. A recovery box is provided at the bottom middle position of the spiral conveying mechanism. One end of the recovery box is communicated with the discharge port.

[0007] As a preferred, the first sieve plate is arranged in an inclined posture on the inner side of the unloading box. The first sieve plate is fixedly connected with the guide plate. The width of the guide plate is arranged in a decreasing manner towards the inlet.

[0008] As preferred, the screw conveying mechanism comprises a cross pipe, a discharging pipe, a material conveying auger and a motor, the cross pipe is located at the middle of the front end of the discharging box, the bottom of the right end of the cross pipe is inlaid and communicated with the discharging pipe, the discharging pipe is perpendicular to the cross pipe, the inner side of the cross pipe is rotatably provided with the material conveying auger, the outer wall of the left end of the cross pipe is fixedly provided with the motor, and the output end of the motor is fixedly connected with the left end of the material conveying auger.

[0009] As preferred, the feeding box and the recycling box are respectively fixed to the outer wall of the front end of the discharging box away from the one end of the cross pipe, and are respectively inlaid and communicated with the cross pipe at the other end close to each other.

[0010] As preferred, the top end of the recycling box is fixedly provided with a second sieve plate, the second sieve plate is in an arc shape structure, and the center of the second sieve plate is coincident with the center of the cross pipe.

[0011] As preferred, the inner diameter of the second sieve plate is equal to the inner diameter of the first sieve plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the scheme of the utility model, when the plastic particles are put into the discharging box after processing, the first sieve plate in the discharging box can screen the plastic particles with large particle size, the plastic particles meeting the requirements can pass through the first sieve plate and the bottom discharge port of the receiving hopper and be discharged into the collecting box placed in advance, so that the plastic particles with large particle size can be screened out, and the quality of the batch of plastic particles is not affected.

[0014] The plastic particles with large particle size can enter the feeding port through the inclined first sieve plate and the inclined surface of the guide plate, and fall into the inside of the cross pipe through the feeding box, and the plastic particles can be pushed to move right along the cross pipe by rotating the material conveying auger controlled by the motor, and the plastic particles meeting the requirements which are accidentally put into the cross pipe can enter the recycling box and be normally recycled through the discharge port and the receiving hopper, and the plastic particles with large particle size can be discharged through the discharging pipe for recycling and reprocessing, so that the plastic particles which do not meet the requirements can be fully and accurately screened, and the efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced, and the drawings will be described as follows:

[0016] Figure 1 It is a perspective view structural schematic diagram of the utility model;

[0017] Figure 2 It is a perspective view sectional structure schematic diagram of the utility model;

[0018] Figure 3 It is the whole front view section structure schematic diagram of the spiral conveying mechanism of the utility model;

[0019] Figure 4 It is the three-dimensional rear view structure schematic diagram of the recycling box and the second sieve plate of the utility model;

[0020] Figure 5 It is the three-dimensional right view section structure schematic diagram of the utility model.

[0021] In the drawing:

[0022] 1, blanking box; 2, mounting bracket; 3, receiving hopper; 4, feed inlet; 5, discharge port; 6, first sieve plate; 7, guide plate; 8, spiral conveying mechanism; 81, horizontal pipe; 82, discharge pipe; 83, material conveying auger; 84, motor; 9, feed box; 10, recycling box; 11, second sieve plate. DETAILED DESCRIPTION

[0023] The embodiments described below are only a part of the embodiments of the utility model, and do not represent all the embodiments consistent with the utility model. Now, combining with the drawings, the exemplary embodiments are described as follows:

[0024] As Figures 1-5 The utility model is used for the blanking device of plastic granules, it includes blanking box 1, the top rear outer wall of blanking box 1 is fixed with mounting bracket 2, the bottom end of blanking box 1 is fixed with the receiving hopper 3 of intercommunication, the front end inside of blanking box 1 is equipped with feed inlet 4 and discharge port 5 respectively, the inside of blanking box 1 is fixed with first sieve plate 6, the left upper side of first sieve plate 6 is equipped with guide plate 7, guide plate 7 is fixedly installed on the left end inner wall of blanking box 1, the front middle part position of blanking box 1 is equipped with spiral conveying mechanism 8, the left upper side of spiral conveying mechanism 8 is equipped with feed box 9, one end of feed box 9 is communicated with feed inlet 4, the bottom middle part position of spiral conveying mechanism 8 is equipped with recycling box 10, one end of recycling box 10 is communicated with discharge port 5.

[0025] As a preferred embodiment, on the basis of the above structure, further, first sieve plate 6 is arranged in an inclined attitude on the inside of blanking box 1, first sieve plate 6 is fixedly connected with guide plate 7, the width of guide plate 7 is arranged in a decreasing manner towards feed inlet 4.

[0026] In the embodiment, through the inclined first sieve plate 6 and the inclined surface of guide plate 7, it is convenient to guide the plastic granules with larger particle size into feed inlet 4.

[0027] As a preferred implementation, on the basis of the above structure, further, the spiral conveying mechanism 8 comprises a cross pipe 81, a discharge pipe 82, a conveying auger 83 and a motor 84, the cross pipe 81 is located at the middle of the front end of the feeding box 1, the right end bottom of the cross pipe 81 is inlaid and communicated with the discharge pipe 82, the discharge pipe 82 is perpendicular to the cross pipe 81, the inner side of the cross pipe 81 is rotatably installed with the conveying auger 83, and the left end outer wall of the cross pipe 81 is fixedly installed with the motor 84, and the output end of the motor 84 is fixedly connected with the left end of the conveying auger 83.

[0028] In the embodiment, the motor 84 is started to control the rotation of the conveying auger 83, so that the screened plastic particles with large particle size are conveniently pushed to the right and discharged quickly through the discharge pipe 82.

[0029] As a preferred implementation, on the basis of the above structure, further, the feeding box 9 and the recycling box 10 are respectively fixed at the front end outer wall of the feeding box 1 away from the one end of the cross pipe 81, and the other end of the feeding box 9 and the recycling box 10 is respectively inlaid and communicated with the cross pipe 81.

[0030] In the embodiment, the feeding box 9 is used to conveniently make the plastic particles with large particle size enter the cross pipe 81 through the feeding port 4.

[0031] As a preferred implementation, on the basis of the above structure, further, the top end of the recycling box 10 is fixedly installed with a second sieve plate 11, the second sieve plate 11 is in an arc shape structure, and the center of the second sieve plate 11 is coincided with the center of the cross pipe 81.

[0032] As a preferred implementation, on the basis of the above structure, further, the internal diameter of the second sieve plate 11 is equal to the internal diameter of the first sieve plate 6.

[0033] In the embodiment, the second sieve plate 11 is used to conveniently make the qualified plastic particles which are accidentally entered into the cross pipe 81 re-enter the receiving hopper 3 through the recycling box 10 and the discharge port 5 for normal recycling, so that the unqualified plastic particles are fully and accurately screened.

[0034] The working principle of the utility model is as follows:

[0035] In use, first, the blanking box 1 is installed at one end of the blanking conveying belt by the installation support 2, the finished plastic particles are put into the blanking box 1, then the first sieve plate 6 is used to sieve the blanking plastic particles, the qualified plastic particles can pass through the first sieve plate 6 and are discharged from the bottom discharge port of the receiving hopper 3 to the pre-placed collecting box, and the plastic particles with a larger particle size that do not meet the requirements are guided into the feeding port 4 through the inclined first sieve plate 6 and the inclined surface of the guide plate 7, and then fall into the horizontal pipe 81 through the feeding box 9, at this time, the motor 84 is started to control the rotation of the feeding auger 83, so that the plastic particles are pushed to move along the horizontal pipe 81 to the right, and the plastic particles with a larger particle size are discharged through the discharge pipe 82 and are recycled and reprocessed;

[0036] The device is further provided with the recycling box 10 and the second sieve plate 11 fixed to the inner side of the top of the recycling box 10, and the second sieve plate 11 has the same hole diameter as the first sieve plate 6, so that when a large amount of plastic particles are blanked in a short time and a small part of the qualified plastic particles fall into the horizontal pipe 81, the qualified plastic particles can pass through the recycling box 10 and the discharge port 5 and re-enter the receiving hopper 3 for normal recycling in the process of being pushed by the feeding auger 83, so that the unqualified plastic particles can be fully and accurately sieved, and the efficiency is higher.

[0037] The above is only a preferred embodiment of the present application, and is not used to limit the protection scope of the present application; any equivalent change, modification, replacement and transformation of the present application made by logical analysis, reasoning or limited experiment on the basis of the existing technology according to the concept of the present application should be within the protection scope determined by the claims.

Claims

1. A device for dosing plastic granules, comprising a dosing tank (1), characterized in that: The top rear outer wall of the blanking box (1) is fixed with a mounting bracket (2), the bottom end of the blanking box (1) is fixedly connected with a receiving hopper (3), the front end of the blanking box (1) is provided with a feeding port (4) and a discharge port (5) in the inside, the inside of the blanking box (1) is fixedly provided with a first sieve plate (6), the upper left side of the first sieve plate (6) is provided with a guide plate (7), the guide plate (7) is fixedly installed on the left end inner wall of the blanking box (1), the front middle position of the blanking box (1) is provided with a spiral conveying mechanism (8), the upper left side of the spiral conveying mechanism (8) is provided with a feeding box (9), one end of the feeding box (9) is connected with the feeding port (4), the bottom middle position of the spiral conveying mechanism (8) is provided with a recycling box (10), one end of the recycling box (10) is connected with the discharge port (5).

2. The device for dispensing plastic pellets according to claim 1, wherein: The first sieve plate (6) is arranged in an inclined posture on the inside of the blanking box (1), and the first sieve plate (6) is fixedly connected with the guide plate (7).

3. The device for dispensing plastic pellets of claim 1, wherein: The width of the guide plate (7) is arranged in a decreasing manner towards the direction of the feeding port (4).

4. The device for dispensing plastic pellets of claim 1, wherein: The spiral conveying mechanism (8) comprises a horizontal pipe (81), a discharge pipe (82), a feeding auger (83) and a motor (84), the horizontal pipe (81) is located at the front end middle position of the blanking box (1), the right end bottom of the horizontal pipe (81) is inlaidly connected with the discharge pipe (82), the discharge pipe (82) is in a mutually perpendicular state with the horizontal pipe (81), the inside of the horizontal pipe (81) is rotatably installed with the feeding auger (83), the left end outer wall of the horizontal pipe (81) is fixedly installed with the motor (84), and the output end of the motor (84) is fixedly connected with the left end of the feeding auger (83).

5. A device for dispensing plastic pellets according to claim 4, wherein: The other ends of the feeding box (9) and the recycling box (10) away from the horizontal pipe (81) are fixed on the front end outer wall of the blanking box (1) respectively, and the other ends of the feeding box (9) and the recycling box (10) close to each other are fixed in the blanking box respectively and inlaidly connected with one end of the horizontal pipe (81).

6. The device for dispensing plastic pellets of claim 4, wherein: The top inside of the recycling box (10) is fixedly installed with a second sieve plate (11), the second sieve plate (11) is in an arc shape structure, and the centers of the second sieve plate (11) and the horizontal pipe (81) are mutually coincided.

7. A device for dispensing plastic pellets according to claim 6, wherein: The inside hole diameter of the second sieve plate (11) is equal to the inside hole diameter of the first sieve plate (6).

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