CN219383568U - Pneumatic continuous turning device - Google Patents

Abstract

The utility model relates to a pneumatic continuous turning device which comprises a turning hopper, wherein a first cylinder is fixedly arranged on the front surface of the turning hopper, a first rack is fixedly connected to the output end of the first cylinder, a first rotating shaft with one end penetrating and extending to the front surface of the turning hopper is rotatably connected to the inner side wall of the turning hopper, a first gear with one end meshed with the first rack is fixedly connected to the front surface of the first rotating shaft, a second rotating shaft with one end penetrating and extending to the front surface of the second rotating shaft is rotatably connected to the inner side wall of the turning hopper, and a second gear is fixedly connected to the front surface of the second rotating shaft. This pneumatic continuous stirring device can effectively avoid explosion-proof problem, need not to adopt components and parts such as explosion-proof motor, has avoided the danger that the ethylene glycol steam of high temperature exploded, and through the structural fit such as cylinder, gear and rack, owing to not being electrical component, does not have explosion-proof problem, and the structure is succinct, turns over board initial position and rotation angle and adjusts conveniently.

Description

Pneumatic continuous turning device

Technical Field

The utility model relates to the technical field of turning-up devices, in particular to a pneumatic continuous turning-up device.

Background

At present, the recycling of waste polyester cotton clothes is mainly divided into a physical recycling method and a chemical recycling method. The physical recovery method is to crush the waste polyester cotton clothing and then add the crushed clothing into an extruder for melt granulation or spinning; chemical recovery is the depolymerization of macromolecular chains into polymeric monomers or intermediates with small molecule depolymerizing agents such as methanol and ethylene glycol. Physical recycling methods degrade materials due to side reactions occurring in the materials during melting, and reduce intrinsic viscosity and molecular weight, which makes the quality of the recycled products poor.

The chemical recovery method mainly comprises glycol alcoholysis, methanol alcoholysis and hydrolysis. The industrial device for alcoholysis of ethylene glycol is characterized in that waste polyester cotton materials are put into a reaction tank, ethylene glycol and a catalyst are added, the waste polyester cotton materials are heated under normal pressure and are cracked into ethylene terephthalate (BHET) and cotton yarn after 2.5-3 hours of reaction, the BHET and the cotton yarn in the reaction tank are emptied, and then the waste polyester cotton materials are put into the reaction tank for secondary alcoholysis, so that only one-tank production is possible, continuous production is not possible, the production efficiency is not high, and the pneumatic continuous overturning device is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a pneumatic continuous turning device which has the advantages of high production efficiency and the like and solves the problem of lower production efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pneumatic continuous stirring device, includes turns over the hopper, the positive fixed mounting who turns over the hopper has first cylinder, the output fixedly connected with first rack of first cylinder, the inside wall that turns over the hopper rotates and is connected with one end and runs through and extend to its positive first rotation axis, the positive fixedly connected with one end of first rotation axis and the first gear of first rack engagement, the inside wall that turns over the hopper rotates and is connected with one end and runs through and extend to its positive second rotation axis, the positive fixedly connected with second gear of second rotation axis, the positive fixed mounting who turns over the hopper has the second cylinder, the output fixedly connected with one end and the second rack of second gear engagement of second cylinder, the outside fixedly connected with of first rotation axis is located the first board that turns over the hopper inboard, the outside fixedly connected with second of second rotation axis turns over the board.

Further, a feed inlet is formed in one side, far away from the second cylinder, of the turning hopper, and a discharge outlet is formed in the lower end portion of the turning hopper.

Further, a first travel switch is arranged on the front face of the turning hopper, and a second travel switch is arranged on the front face of the turning hopper.

Further, a third travel switch is arranged on the front face of the turning hopper, and a fourth travel switch is arranged on the front face of the turning hopper.

Further, one end of the second turning plate, which is close to the first turning plate, is U-shaped and is positioned at the outer side of the first turning plate.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this pneumatic continuous stirring device can effectively avoid explosion-proof problem, need not to adopt components and parts such as explosion-proof motor, has avoided the danger that the ethylene glycol steam of high temperature exploded, and through the structural fit such as cylinder, gear and rack, owing to not being electrical component, does not have explosion-proof problem, and the structure is succinct, turns over board initial position and rotation angle and adjusts conveniently.

Drawings

FIG. 1 is a schematic view of the exterior of a hopper according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a hopper according to the present utility model;

fig. 3 is a schematic view of the position of the turning plate according to the utility model.

In the figure: 1 a turning hopper, 2 a first cylinder, 3 a first rack, 4 a first gear, 5 a first travel switch, 6 a second travel switch, 7 a second cylinder, 9 a second rack, 9 a second gear, 10 a third travel switch, 11 a fourth travel switch, 12 a first rotating shaft, 13 a turning plate, 14 a second turning plate, 15 a second rotating shaft, 16 a feed inlet and 17 a discharge outlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1, a pneumatic continuous turning device is shown in an outline schematic diagram, and comprises a turning hopper 1, a first cylinder 2, a first rack 3, a first gear 4, a first travel switch 5, a second travel switch 6, a second cylinder 7, a second rack 8, a second gear 9, a third travel switch 10 and a fourth travel switch 11;

referring to fig. 2, a schematic cross-sectional view of a pneumatic continuous turning device includes a first rotating shaft 12, a first turning plate 13, a second turning plate 14, and a second rotating shaft 15;

the feed inlet 16 of the turning hopper 1 is connected with the discharge port flange of the single-screw alcoholysis device through a flange, the liquid level in the single-screw barrel is level with the liquid level in the turning hopper 1, and when the liquid level is higher than the highest point of the inclined plane in the turning hopper 1, the liquid overflows to the discharge port 17 of the turning hopper 1, so that the liquid in the single-screw barrel keeps a certain liquid level, and the polyester cotton material can be completely decomposed in the glycol liquid. Heating the polyester cotton material under normal pressure, and fully cracking the polyester cotton material into BHET after 2.5-3 hours of reaction, wherein the residence time of the polyester cotton material in a single-screw alcoholysis device is only about 40 minutes, and 4 single-screw alcoholysis devices are required to be connected in series into a whole to enable the polyester cotton material to be completely alcoholyzed; the pneumatic continuous turning device is connected between the two single-screw alcoholysis devices, so that materials are transferred from one single-screw alcoholysis device to the other single-screw alcoholysis device.

The position shown in fig. 1 and 2 is the initial position after installation, after a starting signal is given, the piston of the first cylinder 2 is retracted upwards to drive the first rack 3 to move upwards, the first rack 3 drives the first gear 4 to rotate anticlockwise, the first turning plate 13 installed on the first rotating shaft 12 is turned upwards from the original position, the first rack 3 moves upwards to touch the second travel switch 6, the second travel switch 6 sends out an electric signal to stop the first cylinder 2, at the moment, the first turning plate 13 is turned to the vertical position to block the discharge port of the single-screw alcoholysis device, the polyester cotton material is blocked in the barrel of the single-screw alcoholysis device, at the same time, the electric signal sent out by the second travel switch 6 enables the piston of the second cylinder 7 to extend downwards to drive the second rack 8 to move downwards, the second rack 8 drives the second gear 9 to rotate clockwise, the second turning plate 14 installed on the second rotating shaft 15 is turned upwards from the original position, the second rack 8 moves downwards to touch the fourth travel switch 11, the fourth travel switch 11 sends out an electric signal to stop the second air cylinder 7, at the moment, the second turning plate 14 is turned to a horizontal downward position, the polyester cotton material in the second turning plate 14 falls into the next single-screw alcoholysis device downwards, after 2 seconds, the electric signal sent out by the fourth travel switch 11 makes the piston of the second air cylinder 7 retract upwards to drive the second rack 8 to move upwards, the second rack 8 drives the second gear 9 to rotate anticlockwise to enable the second turning plate 14 arranged on the second rotating shaft 15 to return to the original position, the second rack 8 moves upwards to touch the third travel switch 10, the third travel switch 10 sends out an electric signal to stop the second air cylinder 7, at the same time, the third travel switch 10 sends out an electric signal to enable the piston of the first air cylinder 2 to extend downwards, the first rack 3 is driven to move downwards, the first rack 3 drives the first gear 4 to rotate clockwise, the first turning plate 13 arranged on the first rotating shaft 12 is turned to the original position, at the moment, the discharge hole of the single-screw alcoholysis device is opened, and polyester cotton materials enter the turning hopper 1 under the pushing of the single screw; the first air cylinder 2 starts a new action flow after the time set by the time relay is up until one action flow of the first turning plate 13 and the second turning plate 14 is completed, and the continuous conveying of materials is realized by continuous cyclic reciprocation, and finally all actions are stopped manually through a stop button.

The working principle of the embodiment is as follows:

the inner cavity of the turning hopper 1 is provided with 2 turning plates, the air cylinder drives the racks to rotate the gears, so that the turning plates arranged on the rotating shafts are driven to rotate, the first air cylinder 2 is driven to rotate after a starting signal is given, the first rack 3 arranged on the first air cylinder 2 drives the first gear 4 to rotate, the first turning plate 13 rotates to stop the cloth or cotton yarn from a cylinder body of the previous single-screw alcoholysis device, the first rack 3 moves to touch the first travel switch 5, the first travel switch 5 sends out an electric signal, the first air cylinder 2 stops moving, the first turning plate 13 stops rotating in place, the second travel switch 6 sends out an electric signal, the second air cylinder 7 is driven to rotate, the second rack 8 arranged on the second air cylinder 7 drives the second gear 9 to rotate, and the second turning plate 14 rotates to turn the cloth or cotton yarn in the second turning plate 14 into a cylinder body of the next single-screw alcoholysis device; the second rack 8 moves to touch the third travel switch 10, the third travel switch 10 sends out an electric signal, the second cylinder 7 moves reversely to enable the second turning plate 14 to rotate and reset, when the second turning plate 14 rotates and resets, the second rack 8 moves to touch the fourth travel switch 11, the fourth travel switch 11 sends out an electric signal to enable the first cylinder 2 to move reversely, the first turning plate 13 rotates and resets, a barrel discharge hole of the single-screw alcoholysis device is opened again, and cloth or cotton yarn is conveyed into the turning hopper 1 from the single-screw barrel; when the set time of the time relay reaches, the time relay power generation signal starts the first turning plate 13 to rotate the gear cloth or cotton yarn, after the first turning plate 13 is in place, the second turning plate 14 rotates again to turn the cloth or cotton yarn in the turning hopper 1 into the cylinder of the next single-screw alcoholysis device, and the first turning plate 13 and the second turning plate 14 move in a cycle manner in this way to feed the cloth or cotton yarn into the next single-screw alcoholysis device, so that continuous production is realized.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a pneumatic continuous stirring device, includes stirring hopper (1), its characterized in that: the utility model discloses a novel automatic overturning device for the material turning hopper, including first cylinder (2) is turned over in the front of hopper (1), the output fixedly connected with first rack (3) of first cylinder (2), the inside wall of hopper (1) is turned and is connected with first rotation axis (12) that one end runs through and extends to its positive, the positive fixedly connected with one end of first rotation axis (12) and first gear (4) of first rack (3) meshing, the inside wall of hopper (1) is turned and is connected with one end and runs through and extend to its positive second rotation axis (15), the positive fixedly connected with second gear (9) of second rotation axis (15), the positive fixedly connected with second cylinder (7) of hopper (1), the output fixedly connected with one end of second cylinder (7) and second rack (8) of second gear (9) meshing, the outside fixedly connected with of first rotation axis (12) is located the inboard first board (13) of hopper (1), the outside fixedly connected with second board (14) of turning over of second rotation axis (15).

2. A pneumatic continuous upender as claimed in claim 1, wherein: a feed inlet (16) is formed in one side, far away from the second air cylinder (7), of the turning hopper (1), and a discharge outlet (17) is formed in the lower end portion of the turning hopper (1).

3. A pneumatic continuous upender as claimed in claim 1, wherein: the front of the turning hopper (1) is provided with a first travel switch (5), and the front of the turning hopper (1) is provided with a second travel switch.

4. A pneumatic continuous upender as claimed in claim 1, wherein: the front of the turning hopper (1) is provided with a third travel switch (10), and the front of the turning hopper (1) is provided with a fourth travel switch.

5. A pneumatic continuous upender as claimed in claim 1, wherein: one end of the second turning plate (14) close to the first turning plate (13) is U-shaped and is positioned at the outer side of the first turning plate (13).