Molding powder screening device
By using a combination design of two sets of filter screens and powder screen plates in the plastic powder screening device, the problem that multiple screenings in the prior art are difficult to achieve the best effect, and the efficient coarse screen and fine screen of plastic powder are realized. It significantly improves the quality and fineness of the grading and screening of plastic powder.
Patent Information
- Application Number
- CN202420443933.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-07
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-03-07
AI Technical Summary
The existing plastic powder screening device requires multiple screenings to achieve the best effect, and it is difficult to further improve the fineness of the plastic powder.
A plastic powder screening device was designed, using two sets of filter screens for coarse screening and fine screening, and the fine screening plastic powder was shaken through the powder screening plate to further improve the quality of grading screening.
Through the combination of two sets of filter screens and powder screen plates, the efficient coarse screening and fine screening of plastic powder are achieved, which significantly improves the quality and fineness of the graded screening of plastic powder.
Smart Images
Figure CN222156218U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic powder screening, in particular to a plastic powder screening device. Background Art
[0002] Powder coating is a kind of formula material with synthetic resin as base material, pigment and filler. It is a new type of decorative material that has developed rapidly in recent years. It has the characteristics of energy saving, low pollution, high efficiency and high performance. As a solvent-free coating, it has high coating efficiency, good anti-corrosion performance, can form a film in one time, and is convenient for storage and transportation. It is increasingly popular. Thermoplastic powder coating is obtained by dry mixing or melt mixing, crushing, screening and grading of thermoplastic resin, pigment, filler, plasticizer and stabilizer.
[0003] According to the search, Chinese patent literature, announcement number: CN213996652U, discloses a plastic powder screening device, in which the staff pours the plastic powder to be screened into the hopper, the motor is powered on and started, the motor drives the feed shaft to rotate, the feed shaft drives the spiral blades and the disc to rotate, and the plastic powder is fed to the screen through the spiral blades, and at the same time the active disc drives the screen and the driven disc to rotate, the screen rotation drives the plastic powder to flip in the screen, so as to effectively and quickly screen the plastic powder, and the screened plastic powder falls into the material cavity, when maintenance is required, only the cover plate needs to be removed from the screening box, and then the screening mechanism can be taken out for maintenance or replacement, the operation is simple, convenient and fast. However, the powder screening of the plastic powder needs to be performed multiple times to achieve the best effect, for example, through coarse screening and fine screening to improve the quality of the plastic powder, to make the plastic powder more delicate, the device needs to be improved. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a plastic powder screening device, which is capable of coarsely screening and finely screening plastic powder by means of two sets of filter screens, and further improves the quality of plastic powder grading and screening by shaking the plastic powder after fine screening through a powder screening plate, thereby solving the above-mentioned technical problems.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a plastic powder screening device, comprising a box body, a feeding pipe is opened at the upper end of the box body, a connecting plate is symmetrically fixedly connected to the inner wall of the feeding pipe, a fixing rod is fixedly connected between the two connecting plates, a rotating drum is rotatably arranged inside the box body, a first gear is arranged on the outer surface of the rotating drum, and a filtering screen is arranged inside the rotating drum, a notch is opened on one side of the box body, a mounting plate is fixedly connected to one side of the box body, a driving motor is fixedly installed on the upper end of the mounting plate, and a second gear is arranged on the lower end of the mounting plate, a rotating disk is arranged on the lower end of the second gear, a protrusion is fixedly connected to the lower end of the rotating disk, a slide groove is symmetrically opened inside the box body, a powder screening plate is slidably connected to the slide groove, the powder screening plate is fixedly connected to the first connecting rod at a side close to the rotating disk, the first connecting rod is hinged with the second connecting rod, and a collecting box is inserted into the lower end of the box body.
[0008] Preferably, a toggle plate is fixedly connected to the outer surface of the fixing rod, the toggle plate is located on the upper surface of the filter screen, and the fixing rod is rotatably connected to the filter screen.
[0009] Through the above technical solution, the toggle plate is fixedly connected to the fixed rod, and the toggle plate is in contact with the upper surface of the filter screen. The filter screen and the toggle plate are provided with two groups, and the densities of the two filter screens are different. By putting the plastic powder into the feed pipe, the plastic powder falls on the upper surface of the filter screen, and the toggle plate sweeps and crushes the plastic powder so that the plastic powder passes through the filter screen and falls to the lower end.
[0010] Preferably, the output shaft of the driving motor is arranged to rotate with the second gear by passing through the upper surface of the mounting plate.
[0011] Through the above technical solution, plastic powder is put into the feed pipe, and the plastic powder falls onto the upper surface of the filter screen under the action of gravity. Then, by starting the drive motor, the drive motor drives the second gear to rotate, and the second gear drives the first gear to rotate. The first gear causes the rotating drum to rotate. When the rotating drum rotates, the toggle plate can sweep the plastic powder on the upper surface of the filter screen, so that the plastic powder is gradually pushed to pass through the filter screen, and the filter screen and the toggle plate are both provided with two groups that can be finely screened, thereby achieving the best use effect.
[0012] Preferably, the second gear is meshed with the first gear, and a transmission rod is fixedly connected between the second gear and the rotating disk.
[0013] Through the above technical solution, the second gear drives the first gear to rotate, and the second gear will also drive the transmission rod to rotate, and the transmission rod can drive the rotating disk to rotate, and the rotating disk drives the convex block to rotate, and the convex block rotates around the circumference of the rotating disk.
[0014] Preferably, one end of the second connecting rod is hinged to the protrusion through a through-notch.
[0015] Through the above technical solution, the first connecting rod is hinged to the second connecting rod through the pin, that is, when the protrusion rotates, the protrusion can drive the second connecting rod and the first connecting rod to move, and at the same time the first connecting rod drives the powder screen plate to move.
[0016] Preferably, pulleys are symmetrically arranged on both sides of the powder sieve plate, and the powder sieve plate is slidably connected to the slide groove via the pulleys on both sides.
[0017] Through the above technical scheme, while the driving motor drives the second gear to rotate, the driving motor can also drive the rotating disk to rotate through the transmission rod, and the rotating disk causes the protrusion to rotate, and the protrusion drives the second connecting rod to swing while rotating around the circumference of the rotating disk, and the second connecting rod causes the first connecting rod to swing, and the first connecting rod drives the powder screen plate to move, so that the powder screen plate swings back and forth inside the slide groove through the pulleys on both sides, and then the plastic powder screened by the upper end rotary drum can be shaken, and the qualified plastic powder falls into the collecting box with gravity, which further improves the grading effect of the plastic powder and improves the quality.
[0018] Compared with the prior art, the utility model provides a plastic powder screening device, which has the following beneficial effects:
[0019] 1. The utility model provides the first gear, the toggle plate and other components, and by putting the plastic powder into the feed pipe, the plastic powder falls to the upper surface of the filter screen under the action of gravity, and then by starting the drive motor, the drive motor drives the second gear to rotate, and the second gear drives the first gear to rotate, and the first gear makes the drum rotate. When the drum rotates, the toggle plate can sweep the plastic powder on the upper surface of the filter screen, so that the plastic powder is gradually pushed to pass through the filter screen, and the filter screen and the toggle plate are both provided with two groups that can be finely screened, so as to achieve the best use effect.
[0020] 2. The utility model provides components such as a rotating disk and a powder sieve plate. When the driving motor drives the second gear to rotate, the driving motor can also drive the rotating disk to rotate through the transmission rod. The rotating disk causes the protrusion to rotate. The protrusion rotates around the circumference of the rotating disk and drives the second connecting rod to swing. The second connecting rod causes the first connecting rod to swing, and the first connecting rod drives the powder sieve plate to move, so that the powder sieve plate swings back and forth inside the slide groove through the pulleys on both sides, thereby shaking the plastic powder sieved by the upper rotary drum. The qualified plastic powder falls into the collecting box with gravity, thereby further improving the screening effect of the plastic powder and improving the quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;
[0022] Figure 2 It is a schematic cross-sectional view of the structure of the utility model;
[0023] Figure 3 The utility model structure Figure 2 A is a partial enlarged schematic diagram of the middle part.
[0024] Among them: 1. box body; 2. feed pipe; 3. connecting plate; 4. fixing rod; 5. rotating drum; 6. first gear; 7. filter screen; 8. notch; 9. mounting plate; 10. driving motor; 11. second gear; 12. rotating disk; 13. bump; 14. slide groove; 15. powder sieve plate; 16. first connecting rod; 17. second connecting rod; 18. collecting box; 19. toggle plate; 20. transmission rod; 21. pulley. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-3 A plastic powder screening device comprises a box body 1, a feeding pipe 2 is provided at the upper end of the box body 1, a connecting plate 3 is symmetrically fixedly connected to the inner wall of the feeding pipe 2, a fixing rod 4 is fixedly connected between the two connecting plates 3, a rotating drum 5 is rotatably arranged inside the box body 1, a first gear 6 is arranged on the outer surface of the rotating drum 5, and a filtering screen 7 is arranged inside the rotating drum 5, a notch 8 is provided on one side of the box body 1, a mounting plate 9 is fixedly connected to one side of the box body 1, a driving motor 10 is fixedly installed on the upper end of the mounting plate 9, and a second gear 11 is arranged at the lower end of the mounting plate 9, a rotating disk 12 is arranged at the lower end of the second gear 11, a protrusion 13 is fixedly connected to the lower end of the rotating disk 12, a slide groove 14 is symmetrically provided inside the box body 1, a powder screening plate 15 is slidably connected inside the slide groove 14, the powder screening plate 15 is fixedly connected to a first connecting rod 16 on the side close to the rotating disk 12, the first connecting rod 16 is hinged to the second connecting rod 17, and a collecting box 18 is inserted at the lower end of the box body 1.
[0027] Specifically, a toggle plate 19 is fixedly connected to the outer surface of the fixed rod 4, the toggle plate 19 is located on the upper surface of the filter screen 7, and the fixed rod 4 is rotatably connected to the filter screen 7. The advantage is that the toggle plate 19 is fixedly connected to the fixed rod 4, and the toggle plate 19 fits the upper surface of the filter screen 7. The filter screen 7 and the toggle plate 19 are provided with two groups, and the densities of the two filter screens 7 are different. By putting the plastic powder from the inside of the feed pipe 2, the plastic powder falls on the upper surface of the filter screen 7, and the toggle plate 19 sweeps and crushes the plastic powder so that the plastic powder passes through the filter screen 7 and falls to the lower end.
[0028] Specifically, the output shaft of the driving motor 10 is arranged to rotate with the second gear 11 by penetrating the upper surface of the mounting plate 9. The advantage is that by putting the plastic powder from the inside of the feeding pipe 2, the plastic powder falls to the upper surface of the filter screen 7 under the action of gravity, and then by starting the driving motor 10, the driving motor 10 drives the second gear 11 to rotate, and the second gear 11 drives the first gear 6 to rotate, and the first gear 6 makes the rotating drum 5 rotate. When the rotating drum 5 rotates, the toggle plate 19 can sweep the plastic powder on the upper surface of the filter screen 7, so that the plastic powder is gradually pushed to pass through the filter screen 7, and the filter screen 7 and the toggle plate 19 are both provided with two groups that can be finely screened, so as to achieve the best use effect.
[0029] Specifically, the second gear 11 is meshed with the first gear 6, and a transmission rod 20 is fixedly connected between the second gear 11 and the rotating disk 12. The advantage is that the first gear 6 is driven to rotate by the second gear 11, and the second gear 11 will also drive the transmission rod 20 to rotate, and the transmission rod 20 can drive the rotating disk 12 to rotate, and the rotating disk 12 drives the protrusion 13 to rotate, and the protrusion 13 rotates around the circumference of the rotating disk 12.
[0030] Specifically, one end of the second connecting rod 17 is hinged to the protrusion 13 through the through-slot 8. The advantage is that the first connecting rod 16 is hinged to the second connecting rod 17 through the pin, that is, when the protrusion 13 rotates, the protrusion 13 can drive the second connecting rod 17 and the first connecting rod 16 to move, and at the same time, the first connecting rod 16 drives the powder sieve plate 15 to move.
[0031] Specifically, pulleys 21 are symmetrically arranged on both sides of the powder sieve plate 15, and the powder sieve plate 15 is slidably connected to the chute 14 through the pulleys 21 on both sides. The advantage is that while the driving motor 10 drives the second gear 11 to rotate, the driving motor 10 can also drive the rotating disk 12 to rotate through the transmission rod 20, and the rotating disk 12 makes the protrusion 13 rotate, and the protrusion 13 drives the second connecting rod 17 to swing while rotating around the circumference of the rotating disk 12, and the second connecting rod 17 makes the first connecting rod 16 swing, and the first connecting rod 16 drives the powder sieve plate 15 to move, so that the powder sieve plate 15 swings back and forth inside the chute 14 through the pulleys 21 on both sides, and then the plastic powder sieved by the upper end rotating drum 5 can be shaken, and the qualified plastic powder falls into the collecting box 18 with gravity, which further improves the grading effect of the plastic powder and improves the quality.
[0032] When in use, plastic powder is put into the feed pipe 2, and the plastic powder falls to the upper surface of the filter screen 7 under the action of gravity, and then the drive motor 10 is started, the drive motor 10 drives the second gear 11 to rotate, and the second gear 11 drives the first gear 6 to rotate, and the first gear 6 makes the drum 5 rotate. When the drum 5 rotates, the toggle plate 19 can sweep the plastic powder on the upper surface of the filter screen 7, so that the plastic powder is gradually pushed to pass through the filter screen 7, and the filter screen 7 and the toggle plate 19 are both provided with two groups of fine screening, so as to achieve the best use effect. When the drive motor 10 drives the second gear 11 to rotate, The driving motor 10 can also drive the rotating disk 12 to rotate through the transmission rod 20, and the rotating disk 12 causes the protrusion 13 to rotate. The protrusion 13 rotates around the circumference of the rotating disk 12 and drives the second connecting rod 17 to swing. The second connecting rod 17 causes the first connecting rod 16 to swing, and the first connecting rod 16 drives the powder sieve plate 15 to move, so that the powder sieve plate 15 swings back and forth inside the slide 14 through the pulleys 21 on both sides, and then the plastic powder sieved by the upper rotating drum 5 can be shaken, and the qualified plastic powder falls into the collecting box 18 with gravity, which further improves the screening effect of the plastic powder and improves the quality of the plastic powder.
[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A plastic powder screening device, comprising a box (1), characterized in that: A feed pipe (2) is provided at the upper end of the box body (1), a connecting plate (3) is symmetrically fixedly connected to the inner wall of the feed pipe (2), a fixing rod (4) is fixedly connected between the two connecting plates (3), a rotating drum (5) is rotatably provided inside the box body (1), a first gear (6) is provided on the outer surface of the rotating drum (5), and a filtering screen (7) is provided inside the rotating drum (5), a notch (8) is provided on one side of the box body (1), a mounting plate (9) is fixedly connected to one side of the box body (1), and a driving motor (10) is fixedly installed on the upper end of the mounting plate (9), A second gear (11) is provided at the lower end of the mounting plate (9), a rotating disk (12) is provided at the lower end of the second gear (11), a protrusion (13) is fixedly connected to the lower end of the rotating disk (12), a slide groove (14) is symmetrically provided inside the box body (1), a powder sieve plate (15) is slidably connected inside the slide groove (14), the powder sieve plate (15) is fixedly connected to a first connecting rod (16) on a side close to the rotating disk (12), the first connecting rod (16) is hinged to a second connecting rod (17), and a collecting box (18) is inserted at the lower end of the box body (1).
2. A plastic powder screening device according to claim 1, characterized in that: The outer surface of the fixed rod (4) is fixedly connected with a toggle plate (19), the toggle plate (19) is located on the upper surface of the filter screen (7), and the fixed rod (4) is rotatably connected to the filter screen (7).
3. A plastic powder screening device according to claim 1, characterized in that: The output shaft of the driving motor (10) is rotatably arranged with the second gear (11) by penetrating the upper surface of the mounting plate (9).
4. A plastic powder screening device according to claim 1, characterized in that: The second gear (11) is meshed with the first gear (6), and a transmission rod (20) is fixedly connected between the second gear (11) and the rotating disk (12).
5. A plastic powder screening device according to claim 1, characterized in that: One end of the second connecting rod (17) is hinged to the protrusion (13) through the through-notch (8).
6. A plastic powder screening device according to claim 1, characterized in that: Pulleys (21) are symmetrically arranged on both sides of the powder sieve plate (15), and the powder sieve plate (15) is slidably connected to the slide groove (14) via the pulleys (21) on both sides.