Waste recycling device in polyethylene pipeline production

Abstract

The utility model relates to the technical field of polyethylene pipeline production, in particular to a waste recycling device in polyethylene pipeline production, which comprises a crushing box, a driving shaft and a driven shaft are rotatably arranged in the crushing box, crushing rollers are fixedly sleeved on the driving shaft and the driven shaft, and a motor is mounted on the side wall of the crushing box. In the process of crushing the waste materials, fine waste material particles with the particle size meeting the specification can be efficiently separated from large waste material particles which are not thoroughly crushed, and the fine waste material particles meeting the specification can be directly subjected to subsequent treatment such as cleaning, heating and plasticizing; and large waste particles which are not crushed are put into the crushing box again for repeated crushing, so that the particle size of the polyethylene waste meets the required specification before subsequent treatment, and the influence of the waste which is not crushed thoroughly on the subsequent treatment processes such as cleaning, heating and plasticizing is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to polyethylene pipeline production technical field, specifically, relate to the waste recovery and utilization device in polyethylene pipeline production. BACKGROUND

[0002] Polyethylene pipe produces more polyethylene waste in the production process, in order to ensure the utilization rate of polyethylene, usually need to recycle the generated polyethylene waste, the recovery of polyethylene waste mainly includes classification crushing, cleaning, heating plasticization, extrusion molding and other steps.

[0003] In the process of using the crushing equipment to crush the waste, if the waste is put in too much at one time or the thickness of the waste is larger, a part of the waste will inevitably be not crushed thoroughly, the existing crushing device cannot separate the larger waste particles not crushed thoroughly, and thus it is difficult to ensure that the particle size of the polyethylene waste meets the required specification before subsequent treatment, and the part of the waste not crushed thoroughly will affect the subsequent cleaning, heating plasticization and other treatment processes. UTILITY MODEL CONTENTS

[0004] The utility model provides a waste recovery and utilization device in polyethylene pipeline production, solves the technical problem that the larger waste particles not crushed thoroughly cannot be separated out in the prior art.

[0005] In view of the above problems, the technical scheme provided by the utility model is:

[0006] The waste recovery and utilization device in polyethylene pipeline production includes a crushing box, a driving shaft and a driven shaft are rotationally arranged in the crushing box, a crushing roller is fixedly sleeved on the driving shaft and the driven shaft, a motor is installed on the side wall of the crushing box, the end of the driving shaft extends outside the crushing roller and is connected with the output shaft of the motor, the device further includes a first material box, the crushing box is fixedly installed above the first material box, two groups of supporting plates are arranged in the first material box, a hanger is slidably connected between the two groups of supporting plates through a slide rail, an inclined sieve plate is fixedly connected to the bottom end of the hanger, the bottom end of the inclined sieve plate extends into the first material box and extends above the top end of the inclined sieve plate, a second material box is arranged on one side of the first material box, a through slit is further formed in the side wall of the first material box and communicates with the second material box, and the bottom end of the inclined sieve plate extends into the second material box through the through slit.

[0007] Among them, the rotation power assembly for driving the driven shaft to rotate reversely is arranged between the driving shaft and the driven shaft, and the driving assembly for driving the hanger to slide horizontally and reciprocally is arranged between the driving shaft and the hanger.

[0008] Further, the rotating power assembly comprises a first circular gear sleeved on the driving shaft, and a second circular gear sleeved on the driven shaft and engaged with the first circular gear.

[0009] Further, the driving assembly comprises a rotating shaft rotatably arranged on the top plate of the crushing box, a connecting strip arranged in the first material box and fixedly connected with the bottom end of the rotating shaft, a column arranged at one end of the connecting strip, and a strip-shaped slot formed in the surface of the hanger for the column to extend into.

[0010] The transmission assembly is arranged between one end of the driving shaft and the rotating shaft to drive the rotating shaft to rotate.

[0011] Further, the transmission assembly comprises a first bevel gear sleeved on the end of the driving shaft, and a second bevel gear sleeved on the top end of the rotating shaft and engaged with the first bevel gear.

[0012] Further, the inclined sieve plate is provided with a baffle on both sides.

[0013] Further, the bottom end of the crushing box is fixedly connected with supporting legs, and the bottom end of the supporting leg is provided with a mounting hole plate.

[0014] Compared with the prior art, the device can efficiently separate small waste particles meeting the size specification and large waste particles that are not completely crushed during the crushing process of the waste, the small waste particles meeting the size specification can be directly subjected to subsequent cleaning, heating and plasticizing treatment, and the large waste particles that are not completely crushed are re-put into the crushing box for repeated crushing, thereby ensuring that the particle size of the polyethylene waste meets the required specification before subsequent treatment, and avoiding the influence of the waste that is not completely crushed on the subsequent cleaning, heating and plasticizing treatment. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0017] Figure 2 It is a schematic diagram of the internal structure of the first material box and the second material box in the present application.

[0018] Figure 3It is the internal structure schematic view of the crushing box in the utility model.

[0019] Figure 4 It is the structure schematic view of the driving assembly in the utility model.

[0020] Figure 5 It is the structure schematic view of the supporting plate, the hanger and the connecting strip in the utility model.

[0021] In the drawing: 1, crushing box; 2, driving shaft; 3, driven shaft; 4, crushing roller; 5, motor; 6, first material box; 7, supporting plate; 8, hanger; 9, inclined sieve plate; 10, second material box; 11, through slit; 12, first circular gear; 13, second circular gear; 14, rotating shaft; 15, connecting strip; 16, inserting column; 17, strip-shaped groove; 18, first bevel gear; 19, second bevel gear; 20, baffle; 21, supporting leg; 22, mounting hole plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 protection scope of the utility model.

[0023] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-5The utility model relates to a waste recycling device in polyethylene pipeline production, including the crushing box 1, the inside rotation of crushing box 1 is provided with driving shaft 2 and driven shaft 3, and the rotation power assembly is arranged between driving shaft 2 and driven shaft 3, when driving shaft 2 rotates, driven shaft 3 can be driven to rotate reversely through the rotation power assembly, and the crushing roller 4 is fixedly sleeved on driving shaft 2 and driven shaft 3, the surface of two groups of crushing rollers 4 in the crushing box 1 is distributed with teeth, and the teeth on two groups of crushing rollers 4 are staggered, when driving shaft 2 and driven shaft 3 drive the crushing roller 4 on it to rotate reversely, two groups of crushing rollers 4 can bring waste into the gap between them and crush the waste through the teeth, and the crushed waste falls from the position below the gap of two groups of crushing rollers 4, the sidewall of crushing box 1 is installed with motor 5, and the end of driving shaft 2 extends outside the crushing roller 4 and is connected with the output shaft of motor 5, after starting motor 5, the output shaft of motor 5 will drive driving shaft 2 to rotate, the utility model also includes a first material box 6, and the crushing box 1 is fixedly installed above the first material box 6, the inside of first material box 6 is provided with two groups of support plates 7, and a hanger 8 is slidably connected between the two groups of support plates 7 through slide rails, and the driving assembly is arranged between driving shaft 2 and hanger 8, the driving assembly can drive hanger 8 to slide horizontally reciprocating between the two groups of support plates 7 while driving shaft 2 rotates, the bottom of hanger 8 is fixedly connected with the inclined sieve plate 9, the bottom end of crushing box 1 extends into the inside of first material box 6 and extends to above the top of inclined sieve plate 9, and the polyethylene waste in the crushing box 1 can slide to the top of inclined sieve plate 9 through the bottom of crushing box 1, and the waste slides to the bottom of inclined sieve plate 9 along the surface of inclined sieve plate 9, one side of first material box 6 is provided with the second material box 10, and the sidewall of first material box 6 is also provided with the through slit 11 in communication with the second material box 10, and the bottom of inclined sieve plate 9 extends into the inside of second material box 10 through the through slit 11.

[0025] In use, the polyethylene waste to be recycled is put into the crushing box 1 through the opening at the top end of the crushing box 1, and the motor 5 is started at this time to drive the driving shaft 2 to rotate, and the driving shaft 2 drives the driven shaft 3 to rotate in the opposite direction through the rotating power assembly, and the two sets of crushing rollers 4 in the crushing box 1 are driven to rotate in the opposite direction by the driving shaft 2 and the driven shaft 3, so as to crush the polyethylene waste put into the crushing box 1, and the crushed polyethylene waste falls into the bottom end of the crushing box 1 and slides to the top end of the inclined sieve plate 9, and the driving shaft 2 drives the hanger 8 to slide horizontally between the two sets of supporting plates 7 through the driving assembly, so as to drive the inclined sieve plate 9 in the first material box 6 to continuously shake back and forth in the horizontal direction, and the sieve holes on the surface of the inclined sieve plate 9 allow the fine waste particles meeting the size specification to pass through, and intercept the larger waste particles that are not completely crushed, and the fine waste particles passing through the sieve holes of the inclined sieve plate 9 fall into the bottom end of the first material box 6 and are discharged through the discharge port at the bottom end of the first material box 6, and the larger waste particles that cannot pass through the sieve holes of the inclined sieve plate 9 slide along the inclined sieve plate 9 and fall into the bottom end of the second material box 10 and are discharged through the discharge port at the bottom end of the second material box 10, so that the fine waste particles meeting the size specification and the larger waste particles that are not completely crushed can be efficiently separated during the crushing process, the fine waste particles meeting the size specification can be directly subjected to subsequent cleaning, heating and plasticizing processes, and the larger waste particles that are not completely crushed are put into the crushing box 1 again for repeated crushing, so as to ensure that the polyethylene waste meets the size specification before subsequent processing, and avoid the influence of the waste that is not completely crushed on the subsequent cleaning, heating and plasticizing processes.

[0026] Further, please refer to Figure 3 , the rotating power assembly includes a first circular gear 12 sleeved on the driving shaft 2 and a second circular gear 13 sleeved on the driven shaft 3 and engaged with the first circular gear 12, and the driving shaft 2 drives the first circular gear 12 to rotate, and the first circular gear 12 drives the second circular gear 13 engaged therewith to rotate in the opposite direction, so that the driven shaft 3 rotates in the opposite direction relative to the driving shaft 2 under the drive of the second circular gear 13.

[0027] Further, please refer to Figure 2 、 Figure 4 and Figure 5The driving assembly comprises a rotating shaft 14 arranged on the top plate of the crushing box 1, a connecting strip 15 arranged in the first material box 6 and fixedly connected with the bottom end of the rotating shaft 14, a plug column 16 arranged at one end of the connecting strip 15, and a strip-shaped groove 17 formed in the surface of the hanger 8 and used for the plug column 16 to extend into. The transmission assembly is arranged between one end of the driving shaft 2 and the rotating shaft 14. When the driving shaft 2 rotates, the rotating shaft 14 can be driven to rotate through the transmission assembly. At this time, the rotating shaft 14 drives the connecting strip 15 at the bottom end of the rotating shaft 14 to rotate. The plug column 16 at the end of the connecting strip 15 rotates with the connecting strip 15. Since the plug column 16 extends into the strip-shaped groove 17 in the surface of the hanger 8, the plug column 16 rotates with the connecting strip 15 and always remains in the strip-shaped groove 17 and reciprocally slides along the direction of the strip-shaped groove 17. In this process, the plug column 16 generates a horizontal reciprocating driving force on the hanger 8, so that the hanger 8 reciprocally slides horizontally between the two groups of supporting plates 7.

[0028] Further, referring to Figure 2 The transmission assembly comprises a first bevel gear 18 sleeved on one end of the driving shaft 2 and a second bevel gear 19 sleeved on the top end of the rotating shaft 14 and engaged with the first bevel gear 18. When the driving shaft 2 rotates, the first bevel gear 18 at the end of the driving shaft 2 is driven to rotate. At this time, the first bevel gear 18 drives the second bevel gear 19 engaged with the first bevel gear 18 to rotate, so that the rotating shaft 14 is driven to rotate by the second bevel gear 19.

[0029] Further, referring to Figure 4 and Figure 5 The two sides of the inclined sieve plate 9 are provided with baffle plates 20. When the waste material slides along the direction of the inclined sieve plate 9, the baffle plates 20 can prevent the waste material that is not completely crushed and cannot pass through the inclined sieve plate 9 from sliding to the first material box 6 from the two sides of the inclined sieve plate 9, so as to ensure the screening effect on the waste material.

[0030] Further, referring to Figure 1 The bottom end of the crushing box 1 is fixedly connected with supporting legs 21. The device is supported at a certain height, so as to facilitate the user to collect the waste material discharged from the bottom discharge outlets of the first material box 6 and the second material box 10. The bottom end of the supporting leg 21 is provided with a mounting hole plate 22. The device can be fixedly installed at a required position by using expansion screws to pass through the mounting hole plate 22.

[0031] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for recycling waste in the production of polyethylene pipes, comprising a crushing box (1), characterized in that, The inside of the crushing box (1) is rotatably provided with a driving shaft (2) and a driven shaft (3), the driving shaft (2) and the driven shaft (3) are both fixedly sleeved with a crushing roller (4), a motor (5) is installed on the side wall of the crushing box (1), the end of the driving shaft (2) extends out of the outer side of the crushing roller (4) and is connected with the output shaft of the motor (5), the device further comprises a first material box (6), the crushing box (1) is fixedly installed above the first material box (6), the inside of the first material box (6) is provided with two groups of supporting plates (7), a group of hangers (8) are slidably connected between the two groups of supporting plates (7) through slide rails, the bottom end of the hanger (8) is fixedly connected with an inclined sieve plate (9), the bottom end of the crushing box (1) extends into the inside of the first material box (6) and extends above the top end of the inclined sieve plate (9), a second material box (10) is arranged on one side of the first material box (6), a through slot (11) is further formed in the side wall of the first material box (6) and is in communication with the second material box (10), the bottom end of the inclined sieve plate (9) extends into the inside of the second material box (10) through the through slot (11); Wherein, the driving shaft (2) and the driven shaft (3) are provided with a rotary power assembly for driving the driven shaft (3) to rotate in the opposite direction, the driving shaft (2) and the hanger (8) are provided with a driving assembly for driving the hanger (8) to slide horizontally and reciprocally.

2. The waste recycling device in polyethylene pipe production according to claim 1, characterized in that, The rotary power assembly comprises a first circular gear (12) sleeved on the driving shaft (2), a second circular gear (13) sleeved on the driven shaft (3) and engaged with the first circular gear (12).

3. The waste recycling device in polyethylene pipe production according to claim 1, characterized in that, The driving assembly comprises a rotating shaft (14) rotatably arranged on the top plate of the crushing box (1), a connecting strip (15) arranged in the inside of the first material box (6) and fixedly connected with the bottom end of the rotating shaft (14), a plug column (16) arranged at one end of the connecting strip (15), a strip-shaped slot (17) formed in the surface of the hanger (8) and extending into the plug column (16). Wherein, the end of the driving shaft (2) and the rotating shaft (14) are provided with a transmission assembly for driving the rotating shaft (14) to rotate.

4. The waste recycling device in polyethylene pipe production according to claim 3, characterized in that, The transmission assembly comprises a first bevel gear (18) sleeved on the end of the driving shaft (2), a second bevel gear (19) sleeved on the top end of the rotating shaft (14) and engaged with the first bevel gear (18).

5. The waste recycling device in polyethylene pipe production according to claim 1, characterized in that, The both sides of the inclined sieve plate (9) are provided with baffle plates (20).

6. The waste recycling device in polyethylene pipe production according to claim 1, characterized in that, The bottom end of the crushing box (1) is fixedly connected with supporting legs (21), and the bottom end of the supporting leg (21) is provided with a mounting hole plate (22).

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