Device applied to polypropylene discharging

Abstract

The utility model discloses a device applied to polypropylene discharge, which belongs to the technical field of polypropylene production and comprises a storage container, a discharge pipeline is arranged at the bottom of the storage container, a motor is arranged on the outer side of the discharge pipeline, and an output shaft of the motor is fixedly connected with a first rotating rod. The end, away from the motor, of the first rotating rod extends into the discharging pipeline and is rotationally connected with the discharging pipeline, a second rotating rod is vertically arranged above the first rotating rod, a first transmission mechanism capable of controlling the second rotating rod to rotate is arranged between the first rotating rod and the second rotating rod, and the upper end of the second rotating rod is sleeved with a lifting cylinder capable of ascending and descending. A rotary material shifting plate is fixedly arranged at the top end of the lifting cylinder, and a second transmission mechanism capable of controlling the lifting cylinder to ascend and descend is arranged between the lifting cylinder and the first rotary rod. Rotation and lifting reciprocating motion of the rotary material stirring plate are achieved through the first transmission mechanism and the second transmission mechanism, polypropylene at the discharging port is stirred repeatedly, the stirring area is large, the discharging port is effectively prevented from being blocked, and the arching phenomenon is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of polypropylene production, in particular to a device used for discharging polypropylene. Background Art

[0002] Polypropylene is a thermoplastic resin made by polymerizing propylene. It is divided into three types according to the arrangement of methyl groups: isotactic polypropylene, atactic polypropylene and syndiotactic polypropylene. In general industrially produced polypropylene resin, the isotactic structure content is about 95%, and the rest is atactic or syndiotactic polypropylene. Industrial products are mainly composed of isotactic substances; polypropylene also includes copolymers of propylene and a small amount of ethylene, which are usually translucent, colorless solids, odorless and non-toxic.

[0003] When too much polypropylene is produced and processed at one time, the discharge port of the storage device or the extrusion device may be blocked. The Chinese utility model patent with announcement number CN211309586U includes a storage container, a discharge port is opened at the bottom of the storage container, a discharge pipe is arranged at the discharge port, a paddle plate is hingedly connected to the inner left wall of the discharge pipe at the discharge port, a device for controlling the up and down reciprocating swing of one side of the paddle plate is arranged under the paddle plate, a cross bar is fixedly connected to the inside of the discharge pipe, two guide plates are fixedly connected to the lower surface of the cross bar, and the discharge pipe Screens are fixedly connected on both sides of the interior, and a diversion pipe is fixedly connected between the two screens. The shifting plate can repeatedly shift the polypropylene material at the discharge port to dredge the discharge port. However, the shifting plate of the device can only be reciprocated and lifted at one end, and the shifting area is small. If the polypropylene material above the shifting plate is arched, it is difficult for the shifting plate to touch the polypropylene material above, and the anti-blocking effect cannot be achieved. In addition, it is difficult for the device to control the discharge speed of the polypropylene material, which makes it impossible for the staff to accurately control the discharge amount of the device, increasing the difficulty of operation.

[0004] In view of the above problems existing in the prior art, the present invention designs and manufactures a device for discharging polypropylene in combination with many years of design and use experience in related fields to overcome the above defects. Utility Model Content

[0005] In order to solve the problems existing in the prior art, the utility model provides a device for discharging polypropylene, which can effectively prevent the blockage of the polypropylene discharge port, increase the material selection area, facilitate the control of the polypropylene discharge speed, and enable the staff to accurately control the discharge amount of the device according to needs.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a device for discharging polypropylene comprises a storage container, a discharging port is provided at the bottom of the storage container, a discharging pipe is provided at the discharging port, a motor is provided on the outer side of the discharging pipe, the motor output shaft is fixedly connected to a first rotating rod, the first rotating rod extends into the discharging pipe away from the motor end and is rotatably connected to the discharging pipe, a second rotating rod is vertically provided above the first rotating rod, the axis of the second rotating rod coincides with the axis of the discharging pipe, a first transmission mechanism is provided between the first rotating rod and the second rotating rod, the first transmission mechanism can control the rotation of the second rotating rod, a lifting cylinder that can be lifted and lowered is sleeved on the upper end of the second rotating rod, a rotating material shifting plate is fixedly provided on the top of the lifting cylinder, a second transmission mechanism that can control the lifting and lowering of the lifting cylinder is provided between the lifting cylinder and the first rotating rod away from the motor end;

[0007] A third rotating rod is horizontally arranged below the first rotating rod, one end of the third rotating rod is rotatably connected to the inner wall of the discharge pipe, the other end of the third rotating rod extends out of the discharge pipe and is rotatably connected to the discharge pipe, a third transmission mechanism is connected between the motor output shaft and the end of the third rotating rod extending out of the discharge pipe, the third transmission mechanism can control the rotation of the third rotating rod, and a material dividing component is sleeved on the third rotating rod, and the material dividing component is located in the discharge pipe.

[0008] Preferably, the first transmission mechanism includes a protective box, the first rotating rod passes through the two side walls of the protective box in sequence and is rotatably connected to the protective box, a first bevel gear is provided in the protective box, the first bevel gear is connected to the first rotating rod, the lower end of the second rotating rod extends into the protective box and is rotatably connected to the protective box, the end of the second rotating rod extending into the protective box is connected to a second bevel gear, and the first bevel gear and the second bevel gear are meshed.

[0009] Preferably, a support rod is connected between the protection box and the side wall of the discharge pipe.

[0010] Preferably, the second transmission mechanism comprises a lifting ring block, the lifting ring block is sleeved on the outer surface of the lifting cylinder and is rotatably connected to the lifting cylinder, a round rod is horizontally provided on one side of the lifting ring block, the round rod is rotatably connected to the transmission rod away from the end of the lifting ring block, and the round rod is in a vertical state with the transmission rod;

[0011] It also includes a cam, a rotating shaft is provided on one side of the cam at a position deviating from the central axis, the cam is rotatably connected to the transmission rod away from the circular rod end through the rotating shaft, and the central axis of the other side of the cam is fixedly connected to the end of the first rotating rod extending out of the protective box.

[0012] Preferably, a plurality of slide bars are vertically arranged on the outer surface of the second rotating rod, and a slide groove matching with the slide bars is arranged on the inner surface of the lifting cylinder.

[0013] Preferably, the third transmission mechanism includes a driving wheel, which is sleeved on the motor output shaft, a driven wheel is provided below the driving wheel, the driven wheel is sleeved on the third rotating rod, and a conveyor belt matching the driving wheel and the driven wheel is sleeved between them.

[0014] Preferably, the material distribution component is a 360° multi-petal butterfly valve.

[0015] Preferably, a support plate is provided on the outer side of the discharge pipe, and the support plate is located above the motor and fixedly connected to the motor.

[0016] The utility model is beneficial in that:

[0017] 1. The utility model is provided with a first transmission mechanism, and the first rotating rod drives the rotating material-shifting plate at the top of the lifting cylinder to rotate through the first transmission mechanism. A second transmission mechanism is provided, and the first rotating rod controls the rotating material-shifting plate to perform lifting and reciprocating motion through the second transmission mechanism. The rotating material-shifting plate can perform rotation and lifting and reciprocating motion at the same time, thereby repeatedly shifting the polypropylene above the discharge pipe, increasing the shifting area of ​​the polypropylene, avoiding the occurrence of arching, and improving the anti-blocking effect of the device.

[0018] 2. The utility model uses the third transmission mechanism, and the motor can drive the first rotating rod, the third rotating rod and the 360° multi-petal butterfly valve to rotate simultaneously. By controlling the rotation speed of the 360° multi-petal butterfly valve, the polypropylene discharge speed can be controlled, so that the staff can accurately control the discharge amount of the device by controlling the motor speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The figure is a schematic diagram of the structure of a device used for discharging polypropylene.

[0020] Figure 2 It is a schematic diagram of the side cross-sectional structure of a device used for discharging polypropylene.

[0021] Figure 3 The third transmission structure schematic diagram of a device used for discharging polypropylene.

[0022] In the figure: 1-storage container, 2-discharging pipe, 3-first rotating rod, 4-second rotating rod, 5-lifting cylinder, 6-rotating material plate, 7-first transmission mechanism, 8-third rotating rod, 9-third transmission mechanism, 10-motor, 11-support plate, 12-360° multi-petal butterfly valve, 13-second transmission mechanism, 71-protection box, 72-first bevel gear, 73-second bevel gear, 91-driving wheel, 92-driven wheel, 93-conveyor belt, 131-lifting ring block, 132-circular rod, 133-transmission rod, 134-cam. DETAILED DESCRIPTION

[0023] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0024] like Figure 1-3 As shown, a device for discharging polypropylene comprises a storage container 1, a discharging port is provided at the bottom of the storage container 1, a discharging pipe 2 is provided at the discharging port, a motor 10 is provided on the outside of the discharging pipe 2, a first rotating rod 3 is fixedly connected to the output shaft of the motor 10, the first rotating rod 3 extends into the discharging pipe 2 away from the end of the motor 10 and is rotatably connected to the discharging pipe 2, a second rotating rod 4 is vertically provided above the first rotating rod 3, the axis of the second rotating rod 4 coincides with the axis of the discharging pipe 2, a first transmission mechanism 7 is provided between the first rotating rod 3 and the second rotating rod 4, the first transmission mechanism 7 can control the rotation of the second rotating rod 4, a lifting cylinder 5 that can be raised and lowered is sleeved on the upper end of the second rotating rod 4, a rotating material-diverting plate 6 is fixedly provided on the top of the lifting cylinder 5, and a second transmission mechanism 13 that can control the lifting and lowering of the lifting cylinder 5 is provided between the lifting cylinder 5 and the end of the first rotating rod 3 away from the motor 10;

[0025] A third rotating rod 8 is horizontally arranged below the first rotating rod 3. One end of the third rotating rod 8 is rotatably connected to the inner wall of the discharge pipe 2. The other end of the third rotating rod 8 extends out of the discharge pipe 2 and is rotatably connected to the discharge pipe 2. A third transmission mechanism 9 is connected between the output shaft of the motor 10 and the end of the third rotating rod 8 extending out of the discharge pipe 2. The third transmission mechanism 9 can control the rotation of the third rotating rod 8. A material dividing component is sleeved on the third rotating rod 8, and the material dividing component is located in the discharge pipe 2.

[0026] The first transmission mechanism 7 includes a protective box 71, the first rotating rod 3 passes through the two side walls of the protective box 134 in sequence and is rotatably connected to the protective box 71, a first bevel gear 72 is provided in the protective box 71, the first bevel gear 72 is connected to the first rotating rod 3, the lower end of the second rotating rod 4 extends into the protective box 71 and is rotatably connected to the protective box 71, the end of the second rotating rod 4 extending into the protective box 71 is connected to the second bevel gear 73, the first bevel gear 72 and the second bevel gear 73 are meshed, and a support rod is connected between the protective box 71 and the side wall of the discharge pipe 2.

[0027] The second transmission mechanism 13 includes a lifting ring block 131, which is sleeved on the outer surface of the lifting cylinder 5 and is rotatably connected to the lifting cylinder 5. A circular rod 132 is horizontally provided on one side of the lifting ring block 131. The circular rod 132 is rotatably connected to a transmission rod 133 at the end away from the lifting ring block 131. The circular rod 132 and the transmission rod 133 are in a vertical state. It also includes a cam 134. A rotating shaft is provided on one side of the cam 134 at a position offset from the central axis. The cam 134 is rotatably connected to the end of the transmission rod 133 away from the circular rod 132 through the rotating shaft. The central axis of the other side of the cam 134 is fixedly connected to the end of the first rotating rod 3 extending out of the protective box 71.

[0028] Specifically, the protective box 71 protects the first bevel gear 72 and the second bevel gear 73, prolongs the service life of the device, and drives the first rotating rod 3 to rotate through the motor 10, drives the first bevel gear 72 to rotate, the first bevel gear 72 drives the meshing second bevel gear 73 to rotate, the second bevel gear 73 drives the second rotating rod 4 to rotate, drives the lifting cylinder 5 and the rotating material stripping plate 6 to rotate, and at the same time, the first rotating rod 3 drives the cam 134 to make a circular motion, the cam 134 drives the lifting ring block 131 to make a reciprocating lifting motion through the transmission rod 133, the lifting ring block 131 synchronously drives the lifting cylinder 5 to make a reciprocating lifting motion, the lifting cylinder 5 drives the top rotating material stripping plate 6 to make a reciprocating lifting motion, thereby realizing the rotation and lifting of the rotating material stripping plate 6, and repeatedly shifting the polypropylene above the discharge pipe 2, the shifting area is large, can prevent the polypropylene material from arching and clogging, and the anti-blocking effect is good.

[0029] A plurality of slide bars are vertically provided on the outer surface of the second rotating rod 4, and a slide groove matching the slide bar is provided on the inner surface of the lifting cylinder 5. The third transmission mechanism 9 includes a driving wheel 91, which is sleeved on the output shaft of the motor 10. A driven wheel 92 is provided below the driving wheel 91, and the driven wheel 92 is sleeved on the third rotating rod 8. A conveyor belt 93 matching with the driving wheel 91 and the driven wheel 92 is sleeved between them. The material dividing component is a 360° multi-petal butterfly valve 12. A support plate 11 is provided on the outer side of the discharge pipe 2. The support plate 11 is located above the motor 10 and is fixedly connected to the motor 10.

[0030] The driving wheel 91 and the driven wheel 92 of the utility model are connected by a transmission belt 93. When the driving wheel 91 rotates, it can drive the driven wheel 92 to rotate together, thereby driving the third rotating rod 8 and the 360° multi-flap butterfly valve 12 to rotate. The polypropylene dropped from the discharge port falls into the space between the adjacent valve flaps of the 360° multi-flap butterfly valve 12, and the dropped polypropylene can be quantitatively divided. As the 360° multi-flap butterfly valve 12 rotates, the polypropylene is sent to the bottom. The speed of rotation of the 360° multi-flap butterfly valve 12 can be used to adjust the amount of polypropylene dropped between the adjacent valve flaps of the 360° multi-flap butterfly valve 12, thereby controlling the discharge speed of the polypropylene in the storage container 1, so that the staff can change the rotation speed of the output end of the motor 10 to more accurately control the discharge amount and discharge speed of the polypropylene, thereby avoiding affecting the subsequent work.

[0031] Specific operation process

[0032] When there is a lot of polypropylene accumulated in the storage container 1, the starting motor 10 drives the first rotating rod 3 to rotate, drives the first bevel gear 72 to rotate, the first bevel gear 72 drives the meshing second bevel gear 73 to rotate, the second bevel gear 73 drives the second rotating rod 4 to rotate, drives the lifting cylinder 5 and the rotating material stripping plate 6 to rotate, and at the same time, the first rotating rod 3 drives the cam 134 to make a circular motion, the cam 134 drives the lifting ring block 131 to make a reciprocating lifting motion through the transmission rod 133, the lifting ring block 131 synchronously drives the lifting cylinder to make a reciprocating lifting motion, the lifting cylinder 5 drives the top rotating material stripping plate 6 to make a reciprocating lifting motion, and the rotating material stripping plate 6 rotates while making a reciprocating lifting motion. The lifting movement repeatedly moves the polypropylene above the discharge pipe 2 to avoid polypropylene blockage. The first rotating rod 3 rotates and drives the driving wheel 91 to rotate at the same time. The driving wheel 91 drives the driven wheel 92 to rotate synchronously through the conveyor belt 93. The driven wheel 92 drives the third rotating rod 8 and the 360° multi-flap butterfly valve 12 to rotate. The polypropylene at the discharge port falls into the space formed by the adjacent valve flaps of the 360° multi-flap butterfly valve 12, and the polypropylene is transported to the bottom through the rotation of the 360° multi-flap butterfly valve 12. The staff adjusts the speed of the motor 10 and the rotation speed of the 360° multi-flap butterfly valve 12 as needed, thereby controlling the polypropylene discharge amount and discharge speed.

[0033] It should be understood that the purpose of these embodiments is only to illustrate the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all of these equivalent forms also fall within the protection scope defined by the claims attached to this application.

Claims

1. A device for discharging polypropylene, characterized in that: The invention comprises a material storage container (1), wherein a discharge port is provided at the bottom of the material storage container (1), a discharge pipe (2) is provided at the discharge port, a motor (10) is provided outside the discharge pipe (2), a first rotating rod (3) is fixedly connected to the output shaft of the motor (10), the end of the first rotating rod (3) away from the motor (10) extends into the discharge pipe (2) and is rotatably connected to the discharge pipe (2), a second rotating rod (4) is vertically provided above the first rotating rod (3), and the axis of the second rotating rod (4) is aligned with the discharge pipe (2). The axis of the pipeline (2) coincides, a first transmission mechanism (7) is provided between the first rotating rod (3) and the second rotating rod (4), the first transmission mechanism (7) can control the rotation of the second rotating rod (4), a lifting cylinder (5) is sleeved on the upper end of the second rotating rod (4), a rotating material-discharging plate (6) is fixedly provided on the top of the lifting cylinder (5), and a second transmission mechanism (13) capable of controlling the lifting and lowering of the lifting cylinder (5) is provided between the lifting cylinder (5) and the end of the first rotating rod (3) away from the motor (10); A third rotating rod (8) is horizontally arranged below the first rotating rod (3); one end of the third rotating rod (8) is rotatably connected to the inner wall of the discharge pipe (2); the other end of the third rotating rod (8) extends out of the discharge pipe (2) and is rotatably connected to the discharge pipe (2); a third transmission mechanism (9) is connected between the output shaft of the motor (10) and the end of the third rotating rod (8) extending out of the discharge pipe (2); the third transmission mechanism (9) can control the rotation of the third rotating rod (8); a material distribution component is sleeved on the third rotating rod (8), and the material distribution component is located in the discharge pipe (2).

2. The device for discharging polypropylene according to claim 1, characterized in that: The first transmission mechanism (7) comprises a protection box (71), the first rotating rod (3) sequentially passes through the two side walls of the protection box (71) and is rotatably connected to the protection box (71), a first bevel gear (72) is provided in the protection box (71), the first bevel gear (72) is connected to the first rotating rod (3), the lower end of the second rotating rod (4) extends into the protection box (71) and is rotatably connected to the protection box (71), the end of the second rotating rod (4) extending into the protection box (71) is connected to the second bevel gear (73), and the first bevel gear (72) and the second bevel gear (73) are meshed.

3. The device for discharging polypropylene according to claim 2, characterized in that: A support rod is connected between the protection box (71) and the side wall of the discharge pipe (2).

4. The device for discharging polypropylene according to claim 2, characterized in that: The second transmission mechanism (13) comprises a lifting ring block (131), the lifting ring block (131) is sleeved on the outer surface of the lifting cylinder (5) and is rotatably connected to the lifting cylinder (5), a circular rod (132) is horizontally provided on one side of the lifting ring block (131), the end of the circular rod (132) away from the lifting ring block (131) is rotatably connected to a transmission rod (133), and the circular rod (132) and the transmission rod (133) are in a vertical state; It also includes a cam (134), a rotating shaft is provided on one side of the cam (134) at a position deviating from the central axis, the cam (134) is rotatably connected to the end of the transmission rod (133) away from the circular rod (132) through the rotating shaft, and the central axis of the other side of the cam (134) is fixedly connected to the end of the first rotating rod (3) extending out of the protective box (71).

5. The device for discharging polypropylene according to claim 1, characterized in that: The outer surface of the second rotating rod (4) is vertically provided with a plurality of sliding bars, and the inner surface of the lifting cylinder (5) is provided with sliding grooves matching the sliding bars.

6. The device for discharging polypropylene according to claim 1, characterized in that: The third transmission mechanism (9) comprises a driving wheel (91), the driving wheel (91) being sleeved on the output shaft of the motor (10), a driven wheel (92) being provided below the driving wheel (91), the driven wheel (92) being sleeved on the third rotating rod (8), and a conveyor belt (93) matching the driving wheel (91) and the driven wheel (92) being sleeved between them.

7. The device for discharging polypropylene according to claim 1, characterized in that: The material distribution component is a 360° multi-petal butterfly valve (12).

8. The device for discharging polypropylene according to claim 1, characterized in that: A support plate (11) is provided on the outside of the discharge pipe (2); the support plate (11) is located above the motor (10) and is fixedly connected to the motor (10).

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