Quick dissolving device for polyether-ether-ketone

Abstract

The utility model relates to the technical field of polyether-ether-ketone processing, in particular to a polyether-ether-ketone rapid dissolving device which comprises a base and a stirring mechanism, a dissolving box is arranged on the base, and a baffle is arranged in the dissolving box; the stirring mechanism comprises a rotating shaft rotationally connected to the base, a first gear and a fourth gear which are coaxially arranged at the two ends of the rotating shaft respectively, three rotating rods which are distributed in an annular array and rotationally connected to the baffle, a second gear and a plurality of groups of linearly distributed stirring blades which are coaxially arranged on the rotating rods, and a first motor arranged on the dissolving tank; the third gear is in driving connection with the first motor, the first gear is in meshed connection with the second gear, and the third gear is in meshed connection with the fourth gear. According to the utility model, the polyether-ether-ketone is subjected to pre-grinding and crushing operation and is matched with the stirring mechanism with a good mixing and dissolving effect, so that the dissolving rate of the polyether-ether-ketone is greatly improved, and the practicability of the device is improved.

Description

Technical Field

[0001] This utility model relates to the field of polyether ether ketone (PEEK) processing technology, and in particular to a rapid dissolution device for PEEK. Background Technology

[0002] Polyetheretherketone (PEEK) is a high-performance engineering plastic widely used in various fields due to its excellent high-temperature resistance, mechanical properties, and chemical stability. However, PEEK has relatively poor solubility, especially at room temperature, where it is poorly soluble in most solvents. Therefore, efficient PEEK dissolving equipment is crucial for its processing and application.

[0003] Chinese Patent CN212440880U discloses a polyether ether ketone (PEEK) dissolution and stabilization device, comprising a dissolution shell, a heating component at the bottom inner side of the dissolution shell, a partition plate fixedly connected to the bottom inner side of the dissolution shell above the heating component, a solvent inlet on the left side of the dissolution shell, a PEEK inlet on the right side of the dissolution shell, a feed shell fixedly connected to the outer side of the dissolution shell outside the PEEK inlet, a solution discharge pipe fixedly connected to the left side of the dissolution shell below the feed shell, a control valve fixedly connected to the side of the solution discharge pipe, and a top cover fixedly connected to the top of the dissolution shell. This dissolution device, by incorporating a stirring device and a heating device inside the dissolution shell, enables PEEK to dissolve more quickly and stably.

[0004] However, the above technical solution has the following shortcomings: the stirring device of the dissolving device has a simple structure, and the mixing and dissolution rate efficiency when stirring polyether ether ketone is low. In addition, the polyether ether ketone is generally in granular form when it is put into the solvent shell, which will affect the dissolution rate and reduce the practicality of the device. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a rapid dissolution device for polyether ether ketone (PEEK). By pre-crushing and pulverizing PEEK and combining it with a stirring mechanism that has a good mixing and dissolving effect, the dissolution rate of PEEK is greatly improved, thus enhancing the practicality of the device.

[0006] The present invention provides a rapid dissolving device for polyetheretherketone (PEEK), comprising a base and a stirring mechanism. A dissolving tank is mounted on the base, and a baffle is installed inside the dissolving tank. The stirring mechanism includes a rotating shaft rotatably connected to the base, a first gear and a fourth gear coaxially mounted at both ends of the rotating shaft, three rotating rods arranged in a ring array and rotatably connected to the baffle, a second gear coaxially mounted on the rotating rods and multiple sets of linearly distributed stirring blades, a first motor mounted on the dissolving tank, and a third gear driven and connected to the first motor. The first gear meshes with the second gear, and the third gear meshes with the fourth gear. A feeding hopper and a connecting pipe are mounted on the dissolving tank. A crushing mechanism is installed inside the feeding hopper, comprising a second motor mounted on the feeding hopper, two connecting shafts rotatably connected to the feeding hopper, and a crushing roller and a fifth gear coaxially mounted on the connecting shafts. The second motor is driven and connected to one side of the connecting shaft, and the two fifth gears mesh with each other.

[0007] Preferably, two convex rings are coaxially arranged on the rotating shaft, which are distributed vertically and abut against each other in the dissolving tank.

[0008] Preferably, the feed hopper is provided with two guide plates whose bottom ends are located above the crushing gap of the crushing roller.

[0009] Preferably, a solvent tank is provided on the base, and a delivery pipe communicating with the solvent tank is provided on the solvent tank.

[0010] Preferably, a heater is provided at the bottom of the dissolving tank, and a partition plate is provided on the heater.

[0011] Preferably, the base is provided with two stabilizing mechanisms distributed on the left and right. The stabilizing mechanism includes a first upright and a second upright on the base, a threaded rod rotatably connected to the first upright, a movable frame threadedly connected to the threaded rod, and a pressure plate on the movable frame. The movable frame is slidably connected to the second upright.

[0012] Preferably, a handle is provided on the threaded rod, and an elastic pad is provided on the pressure plate.

[0013] Compared with the prior art, the present invention has the following beneficial technical effects:

[0014] 1. This utility model, through its set stirring mechanism, can fully disperse, mix and dissolve the solvent and polyether ether ketone inside the dissolving tank, avoiding the disadvantage of the vortex generated by stirring in one direction causing the solvent and polyether ether ketone to rotate with the vortex, thus reducing the dissolution rate of polyether ether ketone. This improves the dissolution rate of polyether ether ketone and has good practicality.

[0015] 2. This utility model uses a crushing mechanism to crush the polyether ether ketone entering the feed hopper, thereby increasing the contact area between the polyether ether ketone and the solvent and accelerating the dissolution rate of the polyether ether ketone. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the dissolving tank;

[0018] Figure 3 This is a schematic diagram of the feed hopper structure;

[0019] Figure 4 A schematic diagram of the stabilizing mechanism;

[0020] Reference numerals: 1. Base; 2. Dissolving tank; 3. Rotating shaft; 4. First gear; 5. Baffle; 6. Rotating rod; 7. Second gear; 8. Stirring blade; 9. First motor; 10. Third gear; 11. Fourth gear; 12. Feed hopper; 13. Second motor; 14. Connecting shaft; 15. Fifth gear; 16. Roller; 17. Guide plate; 18. Dissolver tank; 19. Conveying pipe; 20. Connecting pipe; 21. Heater; 22. Divider plate; 23. First upright; 24. Second upright; 25. Threaded rod; 26. Moving frame; 27. Pressure plate; 28. Elastic pad; 29. ​​Handle. Detailed Implementation

[0021] Example 1

[0022] like Figures 1-4 As shown in the figure, the rapid dissolution device for polyether ether ketone proposed in this embodiment includes a base 1 and a stirring mechanism; a dissolution tank 2 is provided on the base 1, and a baffle 5 is provided inside the dissolution tank 2.

[0023] like Figure 1 and Figure 2 As shown, the stirring mechanism includes a rotating shaft 3 rotatably connected to the base 1, a first gear 4 and a fourth gear 11 coaxially arranged at both ends of the rotating shaft 3, three rotating rods 6 arranged in a ring array and rotatably connected to the baffle 5, a second gear 7 coaxially arranged on the rotating rods 6 and multiple sets of linearly distributed stirring blades 8, a first motor 9 arranged on the dissolving tank 2, and a third gear 10 driven and connected to the first motor 9. The first gear 4 is meshed with the second gear 7, and the third gear 10 is meshed with the fourth gear 11.

[0024] Two convex rings are coaxially arranged on the rotating shaft 3, which are distributed vertically and abut against each other in the melting tank 2. The convex rings are used to limit the axial position of the rotating shaft 3 and ensure the stable meshing transmission of the gear set.

[0025] In this embodiment, when the solvent and polyether ether ketone are transported into the dissolving tank 2 for dissolution, the first motor 9 is started to drive the third gear 10 and the fourth gear 11 to mesh and drive, causing the rotating shaft 3 to rotate. Then, the first gear 4 meshes with the three second gears 7, and the second gears 7 drive the three rotating rods 6 and multiple sets of stirring blades 8 to rotate in multiple positions inside the dissolving tank 2. This fully disperses, mixes and dissolves the solvent and polyether ether ketone inside the dissolving tank 2, avoiding the disadvantage of the vortex generated by stirring and rotating in one direction causing the solvent and polyether ether ketone to rotate along with it, which would reduce the dissolution rate of polyether ether ketone. This improves the dissolution rate of polyether ether ketone and has good practicality.

[0026] Example 2

[0027] like Figure 1 and Figure 3 As shown, the polyether ether ketone rapid dissolution device proposed in this embodiment, compared with the first embodiment, has a feeding hopper 12 and a connecting pipe 20 on the dissolution tank 2. The feeding hopper 12 is equipped with a crushing mechanism, which includes a second motor 13 on the feeding hopper 12, two connecting shafts 14 rotatably connected to the feeding hopper 12, and a crushing roller 16 and a fifth gear 15 coaxially arranged on the connecting shaft 14. The second motor 13 is driven to the connecting shaft 14 on one side, and the two fifth gears 15 are meshed. The feeding hopper 12 is equipped with two guide plates 17 with their bottom ends located above the crushing gap of the crushing roller 16.

[0028] A solvent tank 18 is provided on the base 1. A delivery pipe 19 connected to the dissolving tank 2 is provided on the solvent tank 18. A heater 21 is provided at the bottom of the dissolving tank 2. A partition plate 22 is provided on the heater 21. The solvent in the solvent tank (18) is delivered into the dissolving tank 2 through the delivery pipe 19 by the pump body (not shown), so that the solvent is mixed with polyether ether ketone. Then, the heater 21 and the partition plate 22 are used to heat the inside of the dissolving tank 2 to accelerate the dissolution rate.

[0029] In this embodiment, polyether ether ketone (PEEK) raw material is added into the dissolving tank 2 through the feed hopper 12. At the same time, the second motor 13 is started to drive the connecting shaft 14 on one side to rotate. Then, the two fifth gears 15 mesh and drive each other, causing the rolling rollers 16 on the two connecting shafts 14 to rotate relative to each other. This rolls the PEEK that slides down from the bottom of the guide plate 17, increasing the contact area of ​​the PEEK solvent and accelerating the dissolution rate of PEEK, which has good practicality.

[0030] Example 3

[0031] like Figure 1 and Figure 4As shown, the polyetheretherketone rapid dissolution device proposed in this embodiment has two stabilizing mechanisms distributed on the left and right sides on the base 1, compared with the first embodiment. The stabilizing mechanism includes a first upright 23 and a second upright 24 arranged on the base 1, a threaded rod 25 rotatably connected to the first upright 23, a movable frame 26 threadedly connected to the threaded rod 25, and a pressure plate 27 arranged on the movable frame 26. The movable frame 26 is slidably connected to the second upright 24. A handle 29 is provided on the threaded rod 25, and an elastic pad 28 is provided on the pressure plate 27.

[0032] In this embodiment, before the dissolving device is used, the threaded rod 25 is rotated by the handle 29. The moving frame 26 is screwed into the threaded rod 25 under the guidance of the second upright 24. Then the moving frame 26 drives the pressure plate 27 to move closer to the dissolving box 2 until the pressure plate 27 and the elastic pad 28 fasten the dissolving box 2, thereby improving the stability of the box during device operation and ensuring the normal service life of the device.

[0033] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A rapid dissolution device for polyetheretherketone (PEEK), characterized in that, include: A base (1) is provided with a dissolving tank (2), and a baffle (5) is provided inside the dissolving tank (2). The stirring mechanism includes a rotating shaft (3) rotatably connected to the base (1), a first gear (4) and a fourth gear (11) coaxially arranged at both ends of the rotating shaft (3), three rotating rods (6) arranged in a ring array and rotatably connected to the baffle (5), a second gear (7) coaxially arranged on the rotating rod (6) and multiple sets of linearly distributed stirring blades (8), a first motor (9) arranged on the dissolving tank (2), and a third gear (10) driven and connected to the first motor (9). The first gear (4) meshes with the second gear (7), and the third gear (10) meshes with the fourth gear (11). The dissolving box (2) is provided with a feeding hopper (12) and a connecting pipe (20). The feeding hopper (12) is provided with a crushing mechanism. The crushing mechanism includes a second motor (13) provided on the feeding hopper (12), two connecting shafts (14) rotatably connected on the feeding hopper (12), and a crushing roller (16) and a fifth gear (15) coaxially provided on the connecting shaft (14). The second motor (13) is driven to the connecting shaft (14) on one side, and the two fifth gears (15) are meshed.

2. The rapid dissolution device for polyetheretherketone according to claim 1, characterized in that, Two convex rings are coaxially arranged on the rotating shaft (3) and abut against each other in the dissolving tank (2).

3. The rapid dissolution device for polyetheretherketone according to claim 1, characterized in that, Two guide plates (17) are provided on the feed hopper (12) with their bottom ends located above the crushing gap of the crushing roller (16).

4. The rapid dissolution device for polyetheretherketone according to claim 1, characterized in that, A solvent tank (18) is provided on the base (1), and a delivery pipe (19) connected to the solvent tank (2) is provided on the solvent tank (18).

5. The rapid dissolution device for polyetheretherketone according to claim 1, characterized in that, A heater (21) is provided at the bottom of the dissolving tank (2), and a partition plate (22) is provided on the heater (21).

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