PVC plastic particle screening device
By designing an automatic fixing and unblocking PVC plastic particle screening device, the problem of existing devices requiring multiple operators and manual unblocking has been solved. This device enables rapid fixing and automatic unblocking by a single person, improving its practicality and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-24
AI Technical Summary
Existing PVC plastic particle screening devices require multiple operators to fix the screening frame, making it difficult for a single person to operate. Furthermore, when plastic particles become clogged, manual unclogging is required, reducing their practicality.
A device comprising a screening box, a screening frame, a mounting base, and fixing components was designed. Through the cooperation of an arc block and a spring, the screening frame can be automatically fixed and disassembled, and a motor-driven unblocking rod can automatically unclog blockages, simplifying the operation process.
It enables quick and easy fixing and disassembly of the screening box by a single person, reducing labor intensity and improving the practicality and efficiency of the device. Automatic unblocking reduces the need for manual unblocking, further enhancing its practicality.
Smart Images

Figure CN224028090U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic particle screening, in particular to a PVC plastic particle screening device. BACKGROUND
[0002] PVC plastic particles, also known as PVC plastic particles, are products made of polyvinyl chloride resin as the main material by adding stabilizers, fillers and other related additives through granulation processing. PVC plastic particles have various characteristics and application scenarios, and need to be screened by a screening device during processing.
[0003] The existing patent CN218053477U discloses a PVC plastic particle screening device, which comprises a box body, a box door is hingedly connected to the front of the box body, a feeding hopper is fixedly installed on the top of the box body, a mounting bracket is arranged in the box body, a vibration motor is arranged at the bottom of the mounting bracket, a mounting groove is formed in the mounting bracket, a screening frame is arranged in the mounting groove, which can accelerate the screening speed, a fixing frame is welded on the upper surface of the mounting bracket, a sliding plate slot is formed on one side of the fixing frame close to the screening frame, sliding plates are welded on the left and right sides of the screening frame, the sliding plate slot is slidably connected with the sliding plates, a limiting slot is formed on the side surface of the sliding plate, a limiting rod is arranged in the fixing frame, and the limiting slot is connected with the limiting rod, a guide plate is fixedly installed on the bottom of the inner wall of the box body, a discharge pipe is arranged at the bottom of the box body, and the staff does not need to borrow tools to disassemble and assemble the screening frame, which is more convenient and fast.
[0004] Based on the above-mentioned patent search, and combined with the screening device in the prior art, it is found that the above-mentioned screening device can fix the screening frame during use, but it needs to be operated by multiple people at the same time to fix and disassemble the screening frame, which is relatively difficult for single person operation, and manual dredging is also needed when the plastic particles are blocked, thereby reducing the practicability. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a PVC plastic particle screening device to solve the problem that the existing screening device can fix the screening frame during use, but it needs to be operated by multiple people at the same time to fix and disassemble the screening frame, which is relatively difficult for single person operation, and manual dredging is also needed when the plastic particles are blocked, thereby reducing the practicability.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a PVC plastic particle screening device, comprising a screening box and a screening frame, a mounting seat is arranged in the screening box, a fixing component is arranged between the mounting seat and the screening frame, and a dredging component is arranged at the top of the screening box.
[0007] The fixed component comprises a mounting port arranged on the top of the mounting base, notches arranged on both sides in the mounting port respectively, a recess arranged on one side in the notch, a moving block arranged in the recess, a first spring fixedly connected with one end of the moving block, a first arc-shaped block fixedly connected with the other end of the moving block, moving plates fixedly connected with both sides of the screening frame respectively, and a second arc-shaped block fixedly connected with one side of the moving plate, wherein the moving block is in sliding connection with the recess.
[0008] Preferably, the dredging component comprises a feeding hopper fixedly connected with the top of the screening box, a fixed frame fixedly connected with the top of the screening box, a sliding groove arranged on one side in the fixed frame, a sliding block arranged in the sliding groove, a screw rod connected with the sliding block, a first motor fixedly connected with the top of the screw rod, a connecting plate fixedly connected with one side of the sliding block, and a dredging rod fixedly connected with the bottom of the connecting plate, wherein the bottom of the dredging rod is conical, the screw rod is in screw connection with the sliding block, and the screw rod is in rotary connection with the fixed frame.
[0009] Preferably, a sliding port is arranged on the top in the recess, a sliding plate is fixedly connected with the top of the moving block, a sliding rod is fixedly connected with the inner wall of the sliding port, the sliding rod penetrates through the sliding plate and is in sliding connection with the sliding plate, and the sliding plate is in sliding connection with the sliding port.
[0010] Preferably, a guide groove is arranged on one side in the recess, a guide rod is in sliding connection with the guide groove, and the guide rod is fixedly connected with the moving block.
[0011] Preferably, a pop-up groove is arranged on the bottom in the notch, a pop-up rod is in sliding connection with the pop-up groove, a second spring is fixedly connected with the bottom of the pop-up rod, and a pop-up plate is fixedly connected with the top of the pop-up rod.
[0012] Preferably, a support groove is arranged on the side of the fixed frame away from the sliding groove, a support block is in sliding connection with the support groove, and the support block is fixedly connected with the connecting plate.
[0013] Preferably, reset grooves are arranged on both sides in the screening box respectively, reset blocks are in sliding connection with the reset grooves respectively, third springs are fixedly connected with both sides of the reset blocks respectively, and vibration motors are fixedly connected with both sides of the bottom of the mounting base.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] 1. By setting the screening box, screening frame, mounting seat and fixing parts, the screening frame can be inserted into the mounting port, the second arc-shaped block can extrude the first arc-shaped block to move horizontally, and then the moving block can extrude the first spring to deform, the first spring resets to push the first arc-shaped block to reset, the second arc-shaped block can be clamped, and the screening frame can be automatically fixed, the fixing efficiency of the screening frame can be improved, and a single person can operate the screening frame to fix and disassemble, and the practicality and efficiency of the device can be greatly improved.
[0016] 2. By setting the dredging parts, the first motor can control the rotation of the screw rod, and then the sliding block and the connecting plate can be moved, and then the dredging rod can be driven to move downward, and then the plastic particles in the feeding hopper can be dredged, manual dredging is not required, the labor intensity can be reduced, the dredging efficiency can be improved, and the practicality can be further improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 A perspective view of the utility model is provided;
[0018] Figure 2 A left view of the utility model is provided;
[0019] Figure 3 A perspective view of the utility model is provided Figure 2 A sectional view of A-A is provided;
[0020] Figure 4 A perspective view of the utility model is provided Figure 3 An enlarged view of B is provided.
[0021] In the figure: 1, screening box; 11, screening frame; 12, mounting seat; 21, mounting port; 22, notch; 23, groove; 24, moving block; 25, first spring; 26, first arc-shaped block; 27, moving plate; 28, second arc-shaped block; 31, feeding hopper; 32, fixing frame; 33, sliding groove; 34, sliding block; 35, screw rod; 36, first motor; 37, connecting plate; 38, dredging rod; 41, sliding port; 42, sliding plate; 43, sliding rod; 51, guide groove; 52, guide rod; 61, ejection slot; 62, ejection rod; 63, second spring; 64, ejection plate; 71, support groove; 72, support block; 81, reset slot; 82, reset block; 83, third spring; 84, vibration motor. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the protection scope of the present application.
[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a technical scheme: a PVC plastic particle screening device, including screening box 1 and screening frame 11, be equipped with mounting seat 12 in screening box 1, be equipped with fixed component between mounting seat 12 and screening frame 11, screening box 1 top is equipped with dredging component, fixed component includes the installation mouth 21 of being opened in the top of mounting seat 12, the recess 22 of being opened respectively in the both sides in installation mouth 21, the recess 22 in one side is opened in recess 23, the moving block 24 of being equipped in recess 23, with the first spring 25 of one end fixed connection of moving block 24, with the first arc block 26 of other end fixed connection of moving block 24, with the moving plate 27 of being fixedly connected respectively with the both sides of screening frame 11 and with the second arc block 28 of one side fixed connection of moving plate 27, moving block 24 and recess 23 slidingly connected, moving plate 27 and second arc block 28 can be inserted into recess 22, second arc block 28 can extrude first arc block 26 and make it move laterally, first arc block 26 moves can drive moving block 24 and extrude first spring 25 and make it change shape, first spring 25 reset can drive first arc block 26 reset, and then can jam second arc block 28, and then can automatically fixed screening frame 11, can improve installation efficiency, and single person can disassemble and assemble screening frame 11, recess 23 in top is equipped with sliding mouth 41, moving block 24 top fixedly connected with sliding plate 42, sliding mouth 41 inner wall fixedly connected with slide 43, slide 43 passes through sliding plate 42 and is connected with sliding plate 42 slidingly, sliding plate 42 and sliding mouth 41 slidingly connected, through sliding plate 42 can drive moving block 24 to move, and then can conveniently drive first arc block 26 to move, facilitate the disassembly of screening frame 11, slide 43 can guide the movement of sliding plate 42, prevent sliding plate 42 from being skewed, recess 23 one side is equipped with guide groove 51, guide groove 51 is slidingly connected with guide rod 52, guide rod 52 is fixedly connected with moving block 24, first spring 25 is sleeved on the outside of guide rod 52, through guide rod 52 can prevent first spring 25 skewing and change shape damage, recess 22 bottom is equipped with pop-up slot 61, pop-up slot 61 is slidingly connected with pop-up rod 62, pop-up rod 62 bottom fixedly connected with second spring 63, pop-up rod 62 top fixedly connected with pop-up plate 64, moving plate 27 can contact with pop-up plate 64, and promote pop-up plate 64 to move down, pop-up plate 64 moves down can drive pop-up rod 62 and extrude second spring 63 and make it change shape, when first arc block 26 moves away from second arc block 28 laterally, second spring 63 can reset and promote moving plate 27 to move up at this moment, and then can drive screening frame 11 to move up, can improve the disassembly efficiency of screening frame 11, screening box 1 both sides are equipped with reset slot 81 respectively, reset slot 81 is slidingly connected with reset block 82, reset block 82 both sides are fixedly connected with third spring 83 respectively, mounting seat 12 bottom both sides are fixedly connected with vibration motor 84 respectively, vibration motor 84 can vibrate mounting seat 12 work,The third spring 83 can repeatedly vibrate the mounting seat 12 and the screening frame 11, and screen the plastic particles.
[0024] Please refer to Figure 1 , Figure 2 and Figure 3 , the dredging part includes a feed hopper 31 fixedly connected with the top of the screening box 1, a fixed frame 32 fixedly connected with the top of the screening box 1, a chute 33 opened in one side of the fixed frame 32, a sliding block 34 arranged in the chute 33, a screw rod 35 connected with the sliding block 34, a first motor 36 fixedly connected with the top of the screw rod 35, a connecting plate 37 fixedly connected with one side of the sliding block 34, and a dredging rod 38 fixedly connected with the bottom of the connecting plate 37. The bottom of the dredging rod 38 is conical. The screw rod 35 is screwed with the sliding block 34. The screw rod 35 is rotationally connected with the fixed frame 32. The first motor 36 can drive the screw rod 35 to rotate. The screw rod 35 can drive the sliding block 34 to move vertically, thereby driving the connecting plate 37 and the dredging rod 38 to move vertically. The dredging rod 38 can dredge the plastic particles in the feed hopper 31, and can ensure the feeding efficiency without manual dredging. The fixed frame 32 is provided with a support groove 71 away from the chute 33. A support block 72 is slidably connected in the support groove 71. The support block 72 is fixedly connected with the connecting plate 37. The connecting plate 37 can drive the support block 72 to move synchronously. The support block 72 can improve the moving stability of the connecting plate 37, thereby further improving the moving stability of the dredging rod 38.
[0025] Working principle: when working, open the screening box 1, then select the appropriate screening box, then insert the screening box into the mounting port 21, the moving plate 27 and the second arc block 28 are clamped into the notch 22, the second arc block 28 moves downward to contact the first arc block 26, and extrudes the first arc block 26 to move laterally, the movement of the first arc block 26 drives the movement of the moving block 24, the movement of the moving block 24 extrudes the first spring 25 to deform, the reset of the first spring 25 pushes the first arc block 26 to reset, and the second arc block 28 is clamped, the automatic fixing of the screening frame 11 is realized, the bottom of the moving plate 27 can contact the top of the ejection plate 64, and the ejection plate 64 can be pushed downward with the downward movement of the moving plate 27, thereby extruding the second spring 63 to deform, then close the screening box 1, then put the plastic particles into the screening box 1 through the feeding hopper, start the vibration motor 84, and the vibration of the mounting seat 12 and the screening frame 11 can be carried out, and the plastic particles can be screened, when the upper hopper is blocked, the first motor 36 is started to drive the screw rod 35 to rotate, thereby driving the sliding block 34 and the dredging rod 38 to move downward, thereby dredging the plastic particles to ensure the stability of the feeding, when the screening frame 11 needs to be disassembled, the two sliding plates 42 can be pushed at the same time, the sliding plate 42 drives the moving block 24 to move, thereby driving the first arc block 26 to move laterally away from the second arc block 28, at this time the reset of the second spring 63 pushes the moving plate 27 to move upward, thereby driving the screening frame 11 to move upward, at this time the sliding plate 42 can be loosened, then the screening frame 11 is taken out and replaced, the above is the working process of the whole device, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.
[0026] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A PVC plastic particle screening device, comprising a screening box (1) and a screening frame (11), characterized in that: The screening box (1) is provided with a mounting base (12), and a fixing component is provided between the mounting base (12) and the screening frame (11). A clearing component is provided on the top of the screening box (1). The fixing component includes a mounting opening (21) on the top of the mounting base (12), recesses (22) on both sides of the mounting opening (21), a groove (23) on one side of the recess (22), a moving block (24) in the groove (23), a first spring (25) fixedly connected to one end of the moving block (24), a first arc-shaped block (26) fixedly connected to the other end of the moving block (24), a moving plate (27) fixedly connected to both sides of the screening frame (11), and a second arc-shaped block (28) fixedly connected to one side of the moving plate (27). The moving block (24) is slidably connected to the groove (23).
2. The PVC plastic particle screening device according to claim 1, characterized in that: The unblocking component includes a feed hopper (31) fixedly connected to the top of the screening box (1), a fixed frame (32) fixedly connected to the top of the screening box (1), a chute (33) opened on one side of the fixed frame (32), a slider (34) provided in the chute (33), a screw (35) connected to the slider (34), a first motor (36) fixedly connected to the top of the screw (35), a connecting plate (37) fixedly connected to one side of the slider (34), and an unblocking rod (38) fixedly connected to the bottom of the connecting plate (37). The bottom of the unblocking rod (38) is conical. The screw (35) is screwed to the slider (34), and the screw (35) is rotatably connected to the fixed frame (32).
3. The PVC plastic particle screening device according to claim 1, characterized in that: A sliding opening (41) is provided at the top of the groove (23). A sliding plate (42) is fixedly connected to the top of the moving block (24). A sliding rod (43) is fixedly connected to the inner wall of the sliding opening (41). The sliding rod (43) passes through the sliding plate (42) and is slidably connected to the sliding plate (42). The sliding plate (42) is slidably connected to the sliding opening (41).
4. The PVC plastic particle screening device according to claim 1, characterized in that: A guide groove (51) is provided on one side of the groove (23), and a guide rod (52) is slidably connected in the guide groove (51). The guide rod (52) is fixedly connected to the moving block (24).
5. A PVC plastic particle screening device according to claim 1, characterized in that: A pop-out groove (61) is provided at the bottom of the notch (22), and a pop-out rod (62) is slidably connected in the pop-out groove (61). A second spring (63) is fixedly connected to the bottom of the pop-out rod (62), and a pop-out plate (64) is fixedly connected to the top of the pop-out rod (62).
6. A PVC plastic particle screening device according to claim 2, characterized in that: A support groove (71) is provided on the side of the fixed frame (32) away from the slide groove (33). A support block (72) is slidably connected in the support groove (71). The support block (72) is fixedly connected to the connecting plate (37).
7. A PVC plastic particle screening device according to claim 3, characterized in that: The screening box (1) has reset grooves (81) on both sides. A reset block (82) is slidably connected in the reset groove (81). A third spring (83) is fixedly connected to both sides of the reset block (82). A vibration motor (84) is fixedly connected to both sides of the bottom of the mounting base (12).