Injection molding waste treatment device

Abstract

The utility model discloses an injection molding waste treatment device, and relates to the technical field of injection molding waste recovery treatment, the injection molding waste treatment device comprises a crushing box, the top and the bottom of the crushing box are respectively communicated with a feed hopper and a discharge nozzle, and the front and rear inner side walls of the crushing box are rotatably connected with two circular plates in a front-back symmetrical manner through two first rotating rods; the back face of the smashing box is fixedly connected with a first motor. During use, the arranged first motor drives the first annular bin to do reciprocating circulation rotation clockwise or anticlockwise, and a first rectangular cavity is formed in the outer side wall of the first annular bin, so that waste particles crushed by the crushing roller cannot be immediately discharged from the first annular bin and stay in the first annular bin for a period of time; and the first annular bin is designed to be hollowed out, so that dust generated in the crushing process can be fully scattered towards the periphery of the first annular bin and is fully sucked away by the multiple dust suction pipes which are annularly distributed, and the dust suction effect of the treatment device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding waste recycling technology field especially relates to a kind of injection molding waste treatment device. BACKGROUND

[0002] In the injection molding processing field, plastic parts are common processing materials, and in the production process of plastic products, injection molding waste is inevitable, in order to reduce material waste and reduce production costs, injection molding waste will be recycled to facilitate the reuse of waste.

[0003] The most common recycling method for injection molding waste is mechanical crushing of injection molding waste. However, when crushing large pieces of injection molding waste into small particles, a large amount of dust is inevitably generated. If this dust cannot be effectively controlled, it will not only affect the normal operation of the equipment, but also adversely affect the working environment and the health of the operators.

[0004] Chinese invention patent with patent application number CN202211253258.3 records a kind of waste recycling device for injection molding mold, which is provided with circulating pump, circulating pump 19 will continuously guide water seat 1 in water 2 to spray head 17 and spray, to carry out the settlement of the dust generated, so that the dust can be controlled to avoid its everywhere drift, however, the above-mentioned recycling device carries out dust reduction by the way of water spraying, it will consume a lot of water, and these water containing dust also needs to be purified subsequently, greatly increase the cost of injection molding waste crushing and recycling, reduce the economy and practicality of the recycling device. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of injection molding waste treatment device, to solve the problem that the existing injection molding waste treatment device is proposed in the above background art, dust is controlled by the way of water spraying dust reduction to prevent dust everywhere drift, leading to the cost of injection molding waste crushing and recycling greatly increase, reduce the economy and practicality of the recycling device.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of injection molding waste treatment device, including pulverization box, the top and bottom of the pulverization box are respectively communicated with feed hopper and discharge nozzle, two circular plates are symmetrically rotatably connected on the front and rear inner side walls of the pulverization box by two first rotating rods, the first motor is fixedly connected to the back of the pulverization box, the rear end of the first rotating rod located at the back side penetrates the back side wall of the pulverization box and is fixedly connected with the output end of the first motor, the first motor drives circular plate to rotate clockwise or counterclockwise in a circle, the first motor drives circular plate to rotate at equal angles in a circle multiple times, first annular bin is fixedly connected between the two circular plates, the first annular bin is hollow design, first rectangular cavity is formed on the outer circumferential surface of the first annular bin, two second motors are fixedly connected to the front of the circular plate located at the front side, the output end of the two second motors penetrates the front side circular plate and is fixedly connected with two pulverizing rollers, dust suction assembly is equipped on the pulverization box.

[0007] The dust suction assembly comprises a plurality of dust suction pipes that are connected in a ring shape at equal angles on the outer side wall of the pulverization box.

[0008] Preferably, a plurality of push plates are fixedly connected on the inner side wall of the first annular bin in a ring shape at equal angles, which has the advantage that the waste material that is initially pulverized by the pulverizing roller can be pushed again to the upper side of the pulverizing roller when the first annular bin and the circular plate rotate, so that the waste material can be pulverized multiple times to make the waste material into more uniform and smaller particles, improving the pulverizing effect.

[0009] Preferably, a second annular bin is fixedly connected between the two circular plates, the second annular bin wraps the first annular bin, two second rectangular cavities are formed in the outer side wall of the second annular bin, one of the second rectangular cavities is aligned and communicated with the first rectangular cavity, a plurality of groups of dust outlet holes are annularly and equiangularly formed in the outer side wall of the second annular bin, a plurality of groups of electric telescopic rods are annularly and equiangularly fixedly connected to the inner side wall of the pulverizing box, a plurality of dust suction covers are annularly and equiangularly fixedly connected to the output ends of the electric telescopic rods, the plurality of dust suction covers are all in abutting contact with the outer side wall of the second annular bin, the air inlet ends of the plurality of dust suction pipes penetrate through the outer side wall of the pulverizing box and are respectively communicated with the plurality of dust suction covers, two discharge nozzles are symmetrically and communicated on the left and right sides of the discharge nozzle, and an on-off assembly is connected in the discharge nozzle, the on-off assembly is used to control the on-off of the discharge nozzles and the discharge nozzle. The advantages of this arrangement are that the second annular bin is wrapped on the outer side of the first annular bin, which can make the relatively fine waste particles intercepted in the second annular bin and discharged through the second rectangular cavity and the discharge nozzle, and the finer dust is sucked away through the dust suction cover and the dust suction pipe, thereby realizing multi-stage separation of the waste, avoiding the mixing of the relatively fine waste particles in the small particle waste, and hindering the subsequent recycling process, improving the reliability and practicality of the post-processing equipment, and the dust suction cover is driven away from or close to the outer side wall of the second annular bin by the electric telescopic rod, so that the dust suction cover does not hinder the normal rotation of the second annular bin, ensuring the smooth operation of the pulverizing process.

[0010] Preferably, the on-off assembly comprises two rotating shafts which are symmetrically and rotatably connected to the front and rear inner side walls of the discharge nozzle, two baffles are symmetrically and fixedly sleeved on the outer circumferential surfaces of the two rotating shafts, the sides of the two baffles close to each other are in abutting contact with each other, the two baffles are distributed in the shape of an isosceles triangle, the discharge nozzle is provided with a driving mechanism, the two rotating shafts are connected with the driving mechanism, and the driving mechanism is used to drive the two rotating shafts to reciprocatingly rotate in opposite directions. The advantages of this arrangement are that the two rotating shafts are driven to rotate in opposite directions by the driving mechanism, so that the two baffles can be separated until the two discharge nozzles are blocked, and at this time the discharge nozzle is opened so that the small particle waste is discharged, when the driving mechanism drives the two baffles to rotate in the direction close to each other until they are folded, at this time the two discharge nozzles are opened and the discharge nozzle is blocked, so that the relatively fine waste particles can be discharged through the two discharge nozzles, realizing multi-stage separation of the pulverized waste.

[0011] Preferably, two baffles are symmetrically and fixedly connected to the outer side wall of the first annular bin and the inner side wall of the second annular bin, and the two baffles are located at two sides of the first rectangular cavity, so that the relatively fine waste particles can be prevented from rolling to the first rectangular cavity through the gap between the second annular bin and the first annular bin and being discharged through the discharge nozzle, the thoroughness of multi-stage separation is ensured, and the reliability and practicality of the treatment device are improved.

[0012] In conclusion, the technical effects and advantages of the present application are as follows:

[0013] 1. In the present application, the first motor drives the first annular bin to rotate clockwise or counterclockwise reciprocatingly, a first rectangular cavity is formed in the outer side wall of the first annular bin, so that the waste particles crushed by the crushing roller cannot be immediately discharged from the first annular bin and stay in the first annular bin for a period of time, and the first annular bin is designed to be hollow, so that the dust generated during the crushing process can be fully dispersed around the first annular bin and be fully sucked away by the multiple dust suction pipes arranged in a ring shape, thereby preventing a large amount of dust from being mixed with the crushed waste particles and being discharged from the discharge nozzle. At the same time, after the waste is put into the first annular bin, the rotation of the first annular bin driven by the first motor can block the feed hopper with the side wall of the first annular bin, thereby preventing dust from leaking out through the discharge nozzle and the feed hopper, preventing dust from scattering everywhere, and improving the dust suction and control effect of the treatment device.

[0014] 2. In the present application, the second annular bin is arranged on the outer side of the first annular bin, so that the relatively fine waste particles can be intercepted in the second annular bin and discharged through the second rectangular cavity and the discharge nozzle, and the finer dust can be sucked away through the dust suction cover and the dust suction pipe, thereby realizing multi-stage separation of the waste, preventing the relatively fine waste particles from being mixed with the small particle waste and causing hindrance to the subsequent recycling process, improving the reliability and practicality of the post-treatment equipment, and allowing the dust suction cover to move away from or approach the outer side wall of the second annular bin through the electric telescopic rod, so that the dust suction cover does not hinder the normal rotation of the second annular bin, and ensures the smooth crushing process. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Figure 1 FIG. 1 is a structural schematic view of an injection molding waste treatment device according to an embodiment of the present application;

[0017] Figure 2 It is a sectional view structural schematic view of the injection molding waste treatment device in the embodiment of the utility model;

[0018] Figure 3 It is a first partial structural schematic view of the injection molding waste treatment device in the embodiment of the utility model;

[0019] Figure 4 It is a second partial structural schematic view of the injection molding waste treatment device in the embodiment of the utility model;

[0020] Figure 5 It is a sectional view structural schematic view of the discharge nozzle in the embodiment of the utility model;

[0021] Figure 6 It is a first partial structural schematic view of the injection molding waste treatment device in the embodiment of the utility model; Figure 4 It is an enlarged schematic view of A in the embodiment of the utility model.

[0022] In the figure: 1, crushing box; 11, feed hopper; 12, discharge nozzle; 13, support rod; 2, round plate; 21, first motor; 3, first annular bin; 31, first rectangular cavity; 4, paddle; 5, crushing roller; 6, dust suction assembly; 61, dust suction pipe; 62, electric telescopic rod; 63, dust suction cover; 7, second annular bin; 71, second rectangular cavity; 72, dust outlet hole; 73, partition plate; 8, discharge nozzle; 9, on-off assembly; 91, rotating shaft; 92, baffle; 93, driving mechanism; 931, gear; 932, air cylinder; 933, rack. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] Please refer to Figures 1-6The injection molding waste treatment device, including a crushing box 1, two pairs of support rods 13 are symmetrically and fixedly connected to the bottom of the crushing box 1, a feeding hopper 11 and a discharge nozzle 12 are communicated with the top and bottom of the crushing box 1 respectively, two circular plates 2 are symmetrically and rotatably connected to the front and rear inner side walls of the crushing box 1 through two first rotating rods, a first motor 21 is fixedly connected to the back of the crushing box 1, the rear end of the first rotating rod located at the back penetrates through the back wall of the crushing box 1 and is fixedly connected with the output end of the first motor 21, the first motor 21 drives the circular plate 2 to rotate clockwise or counterclockwise for one circle, the first motor 21 drives the circular plate 2 to rotate at equal angles for one circle for multiple times, a first annular bin 3 is fixedly connected between the two circular plates 2, the first annular bin 3 is designed to be hollow, a first rectangular cavity 31 is formed in the outer circumferential surface of the first annular bin 3, two second motors are fixedly connected to the front surface of the circular plate 2 located at the front, the output ends of the two second motors penetrate through the circular plate 2 located at the front and are fixedly connected with two crushing rollers 5, and a dust suction assembly 6 is arranged on the crushing box 1.

[0026] The dust suction assembly 6 includes a plurality of dust suction pipes 61 which are connected to the outer side wall of the crushing box 1 at equal angles in a ring shape and are in communication with an external dust suction fan.

[0027] With reference to Figure 2 , a plurality of push plates 4 are fixedly connected to the inner side wall of the first annular bin 3 at equal angles in a ring shape.

[0028] Specifically, when the plurality of push plates 4 rotate with the first annular bin 3 and the circular plate 2, the waste material which is preliminarily crushed by the crushing roller 5 can be pushed again to the upper side of the crushing roller 5, so that the waste material can be crushed for multiple times to make the waste material into more uniform and smaller particles, thereby improving the crushing effect.

[0029] With reference to Figure 2 , Figure 3 and Figure 6 , a second annular bin 7 is fixedly connected between the two circular plates 2, the second annular bin 7 wraps the first annular bin 3, two second rectangular cavities 71 are formed in the outer side wall of the second annular bin 7, one of the second rectangular cavities 71 is aligned and communicated with the first rectangular cavity 31, a plurality of groups of dust outlet holes 72 are formed in the outer side wall of the second annular bin 7 at equal angles in a ring shape, each group of the plurality of dust outlet holes 72 is equidistantly distributed along the axial direction of the second annular bin 7, a plurality of groups of electric telescopic rods 62 are fixedly connected to the inner side wall of the crushing box 1 at equal angles in a ring shape, a plurality of dust suction covers 63 are fixedly connected to the output ends of the plurality of groups of electric telescopic rods 62 at equal angles in a ring shape, the plurality of dust suction covers 63 can be in abutting contact with the outer side wall of the second annular bin 7, the air inlet ends of the plurality of dust suction pipes 61 penetrate through the outer side wall of the crushing box 1 and are respectively communicated with the plurality of dust suction covers 63, two discharge nozzles 8 are symmetrically communicated with the left and right side surfaces of the discharge nozzle 12, a switching assembly 9 is connected in the discharge nozzle 12, and the switching assembly 9 is used to control the switching of the discharge nozzles 8 and the discharge nozzle 12.

[0030] Specifically, by wrapping the second annular bin 7 on the outer side of the first annular bin 3, the relatively fine waste particles can be intercepted in the second annular bin 7 and discharged through the second rectangular cavity 71 and the discharge nozzle 8, and the finer dust can be sucked away through the dust cover 63 and the dust suction pipe 61, thereby realizing multi-stage separation of the waste, avoiding mixing of the relatively fine waste particles in the small particle waste and causing hindrance to the subsequent recycling process, improving the reliability and practicality of the post-processing equipment, and by driving the dust cover 63 away from or close to the outer side wall of the second annular bin 7 through the electric telescopic rod 62, the dust cover 63 will not hinder the normal rotation of the second annular bin 7, ensuring smooth crushing processing.

[0031] Reference Figure 1 , Figure 2 and Figure 5 , the on-off assembly 9 includes two rotating shafts 91 symmetrically connected to the front and rear inner side walls of the discharge nozzle 12, two baffles 92 are symmetrically fixed on the outer circumferential surfaces of the two rotating shafts 91, the sides of the two baffles 92 close to each other are in contact with each other, the two baffles 92 are in isosceles triangle distribution, and the discharge nozzle 12 is provided with a driving mechanism 93, the two rotating shafts 91 are connected with the driving mechanism 93, and the driving mechanism 93 is used to drive the two rotating shafts 91 to reciprocatingly rotate in opposite directions.

[0032] Specifically, by driving the two rotating shafts 91 to rotate in opposite directions through the driving mechanism 93, the two baffles 92 can be separated until the two discharge nozzles 8 are blocked, and at this time the discharge nozzle 12 is opened so that the small particle waste is discharged, when the driving mechanism 93 drives the two baffles 92 to rotate in the direction close to each other until they are folded, at this time the two discharge nozzles 8 are opened and the discharge nozzle 12 is blocked, so that the relatively fine waste particles can be discharged through the two discharge nozzles 8, realizing multi-stage separation of the crushed waste;

[0033] The driving mechanism 93 includes two gears 931, the front ends of the two rotating shafts 91 penetrate through the front side wall of the discharge nozzle 12 and are fixedly inserted into the inner holes of the two gears 931, the driving mechanism 93 further includes two air cylinders 932 symmetrically fixedly connected to the front of the discharge nozzle 12, the output ends of the two air cylinders 932 are symmetrically fixedly connected with two racks 933, the two racks 933 are respectively engaged with the two gears 931, the racks 933 are driven to move up and down by the two air cylinders 932, the racks 933 are engaged to drive the gears 931 to rotate and drive the two baffles 92 to swing in the direction close to or away from each other to control the on-off of the discharge nozzle 12 and the discharge nozzle 8.

[0034] Reference Figure 6 , the first annular bin 3 outer side wall and the second annular bin 7 inner side wall are symmetrically fixedly connected with two partitions 73, and the two partitions 73 are respectively located on both sides of the first rectangular cavity 31.

[0035] Specifically, the relatively fine waste particles can be prevented from rolling to the first rectangular cavity 31 through the gap between the second annular bin 7 and the first annular bin 3 and being discharged through the discharge nozzle 12, ensuring the thoroughness of the multi-stage separation and improving the reliability and practicability of the treatment device.

[0036] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included within the protection scope of the present application.

Claims

1. A device for processing injection molding waste, comprising a shredding tank (1), characterized in that: The top and bottom of the crushing box (1) are communicated with a feeding hopper (11) and a discharge nozzle (12) respectively, two circular plates (2) are symmetrically and rotationally connected to the front and back inner side walls of the crushing box (1) through two first rotating rods, a first motor (21) is fixedly connected to the back of the crushing box (1), the rear end of the first rotating rod located at the back side penetrates the back side wall of the crushing box (1) and is fixedly connected with the output end of the first motor (21), the first motor (21) drives the circular plate (2) to rotate clockwise or counterclockwise for one circle, the first motor (21) drives the circular plate (2) to rotate at equal angles for one circle in multiple times, a first annular bin (3) is fixedly connected between the two circular plates (2), the first annular bin (3) is designed to be hollow, a first rectangular cavity (31) is formed in the outer circumferential surface of the first annular bin (3), two second motors are fixedly connected to the front surface of the circular plate (2) located at the front side, the output ends of the two second motors penetrate the circular plate (2) located at the front side and are fixedly connected with two crushing rollers (5), and a dust suction assembly (6) is arranged on the crushing box (1). The dust suction assembly (6) comprises a plurality of dust suction pipes (61) which are connected in a ring shape at equal angles on the outer side wall of the crushing box (1) and are in communication with an external dust suction fan.

2. The injection molding waste processing device of claim 1, wherein: A plurality of push plates (4) are fixedly connected in a ring shape at equal angles on the inner side wall of the first annular bin (3).

3. A device for processing injection molding waste according to claim 2, characterized in that: A second annular bin (7) is fixedly connected between the two circular plates (2), the second annular bin (7) wraps the first annular bin (3), two second rectangular cavities (71) are formed in the outer side wall of the second annular bin (7), one of the second rectangular cavities (71) is aligned and communicated with the first rectangular cavity (31), a plurality of groups of dust outlet holes (72) are formed in a ring shape at equal angles on the outer side wall of the second annular bin (7), a plurality of groups of the dust outlet holes (72) are equidistantly distributed along the axial direction of the second annular bin (7), a plurality of groups of electric telescopic rods (62) are fixedly connected in a ring shape at equal angles on the inner side wall of the crushing box (1), a plurality of dust suction covers (63) are fixedly connected in a ring shape at equal angles on the output ends of the plurality of groups of electric telescopic rods (62), the plurality of dust suction covers (63) can be in abutting contact with the outer side wall of the second annular bin (7), the air inlet ends of the plurality of dust suction pipes (61) penetrate the outer side wall of the crushing box (1) and are respectively in communication with the plurality of dust suction covers (63), two discharge nozzles (8) are symmetrically communicated on the left and right side surfaces of the discharge nozzle (12), a switching assembly (9) is connected in the discharge nozzle (12), and the switching assembly (9) is used for controlling the switching of the discharge nozzles (8) and the discharge nozzle (12).

4. The injection molding waste treatment device of claim 3, wherein: The on-off assembly (9) comprises two rotating shafts (91) symmetrically connected to the front and rear inner side walls of the discharge nozzle (12), the outer circumferential surfaces of the two rotating shafts (91) are symmetrically fixed with two baffles (92), the side surfaces of the two baffles (92) close to each other are in close contact with each other, the two baffles (92) are in isosceles triangle distribution, the discharge nozzle (12) is provided with a driving mechanism (93), the two rotating shafts (91) are connected with the driving mechanism (93), and the driving mechanism (93) is used for driving the two rotating shafts (91) to reciprocatingly rotate in opposite directions.

5. A device for processing injection molding waste according to claim 4, characterized in that: The outer side wall of the first annular bin (3) and the inner side wall of the second annular bin (7) are symmetrically fixed with two partition plates (73), and the two partition plates (73) are located on the two sides of the first rectangular cavity (31) respectively.

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