Semi-finished product screening machine with feeding buffer structure

Abstract

The utility model discloses a semi-finished product screening machine with a feeding buffer structure, and relates to the technical field of semi-finished product screening machines, the semi-finished product screening machine comprises a shell and a screen, the top of the shell is provided with a feeding hopper, and the shell is internally provided with a fixing frame. When the semi-finished product screening machine with the feeding buffer structure is used, plastic master batch semi-finished products can be poured into a feeding hopper, at the moment, the plastic master batch semi-finished products can impact a rotating plate, the rotating plate rotates through a rotating shaft between the rotating plate and a second fixing block, and the rotating plate rotates and can rotate under the cooperation of a connecting rod and a telescopic block; through cooperation of a first fixing block and a second fixing block, a movable spring in the first fixing block is in a compressed state, meanwhile, a telescopic spring in a connecting block is in a stretched state under cooperation of a telescopic rod and the connecting block, and a buffering effect can be achieved on a rotating plate through the movable spring and the telescopic spring; therefore, the situation that plastic master batch semi-finished products fall too fast and violently collide with the screen to be damaged is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of semi-finished product screening machines, in particular to a semi-finished product screening machine with a feeding buffer structure. Background Art

[0002] The plastic masterbatch semi-finished product screening machine is a mechanical equipment used to screen plastic masterbatch semi-finished products. Plastic masterbatch is a small particle made by mixing pigments, additives, etc. with plastic resin and then processed by a granulator. It is used for coloring and enhancing the performance of plastic products. The main function of the screening machine is to remove impurities and unqualified particles in the masterbatch to ensure product quality.

[0003] In order not to affect the feeding speed of the plastic masterbatch semi-finished products, the existing plastic masterbatch semi-finished product screening machine is used to directly pour the plastic masterbatch semi-finished products into the outer shell through the feed hopper. Although the feeding speed will not be affected, there is no buffering mechanism inside the feed hopper, which can easily cause the plastic masterbatch semi-finished products to collide violently with the screen when falling, causing damage to the plastic masterbatch semi-finished products. Therefore, it does not have the function of feeding buffering. Utility Model Content

[0004] The purpose of the present utility model is to provide a semi-finished product screening machine with a feed buffer structure to solve the problem raised in the above background technology that the semi-finished plastic masterbatch screening machine currently used is prone to causing the semi-finished plastic masterbatch to hit the screen and be damaged during feeding.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a semi-finished product screening machine with a feed buffer structure, comprising: a shell and a screen, a feed hopper is installed on the top of the shell, a fixing frame is installed inside the shell, a screening mechanism is installed between two sets of the fixing frames, the screening mechanism, the top of the screening mechanism is connected to a sliding block through a chute, and the screen is installed on the top of the sliding block;

[0006] A first fixed block is installed on the inner wall of the feed hopper, a movable spring is installed inside the first fixed block through a groove, and a telescopic block is connected through one side of the movable spring.

[0007] Preferably, a connecting rod is connected between the two groups of telescopic blocks, and a rotating plate is provided on one side of the connecting rod.

[0008] Preferably, the top of the rotating plate is connected to a second fixed block via a rotating shaft, and the second fixed block is installed on the inner wall of the feed hopper.

[0009] Preferably, telescopic rods are installed on both sides of the rotating plate through rotating shafts, one end of the telescopic rods is sleeved with a connecting block, and the interior of the connecting block is connected to a telescopic spring through a groove.

[0010] Preferably, a limiting rod penetrating the screening mechanism is inserted into the bottom of the sliding block, and a reset spring is connected between the limiting rod and the groove of the screening mechanism.

[0011] Preferably, a pull rod is connected between the two groups of limit rods.

[0012] Preferably, one side of the shell is connected to a baffle via a rotating shaft, and a latch is installed on one side of the baffle.

[0013] Compared with the prior art, the beneficial effect of the present invention is that when the semi-finished product screening machine with a feed buffer structure is in use, the plastic masterbatch semi-finished product can be poured into the feed hopper. At this time, the plastic masterbatch semi-finished product will hit the rotating plate, causing the rotating plate to rotate through the rotating shaft between the second fixed block. The rotation of the rotating plate will make the movable spring inside the first fixed block in a compressed state under the cooperation of the connecting rod and the telescopic block. At the same time, under the cooperation of the telescopic rod and the connecting block, the telescopic spring inside the connecting block is in a stretched state. The movable spring and the telescopic spring can buffer the rotating plate, thereby avoiding the situation where the plastic masterbatch semi-finished product falls too fast and collides violently with the screen to be damaged. This is the use feature of the semi-finished product screening machine with a feed buffer structure.

[0014] 1. The semi-finished product screening machine with a feed buffer structure can pour the semi-finished plastic masterbatch into the feed hopper when screening the semi-finished plastic masterbatch. The semi-finished plastic masterbatch hits the rotating plate, causing the rotating plate to rotate. At the same time, the deformation of the movable spring and the telescopic spring can buffer the rotating plate, thereby preventing the semi-finished plastic masterbatch from falling too fast and hitting the screen, causing damage to the semi-finished plastic masterbatch.

[0015] 2. When the semi-finished product screening machine with a feed buffer structure needs to collect impurities or damaged plastic masterbatch semi-finished products on the screen, the baffle on one side of the shell can be opened, and then the limit rod can be pulled out from the bottom of the sliding block through the pull rod. At this time, the limit rod will not limit the sliding block, and then the screen can be slid and pulled out from the top of the screening mechanism through the sliding block, so that the screen can be cleaned conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 This is a schematic diagram of the main cutaway structure of the utility model;

[0018] Figure 3 This is a schematic diagram of a top view of a sectional structure of the screening mechanism of the present invention;

[0019] Figure 4 This is a schematic diagram of the left side cross-section structure of the sliding block of the utility model;

[0020] Figure 5 This is a schematic diagram of the main cutaway structure of the screening mechanism of the utility model;

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the rotating plate of the utility model.

[0022] In the figure: 1. Housing; 2. Feed hopper; 3. Fixed frame; 4. Screening mechanism; 5. Sliding block; 6. First fixed block; 7. Movable spring; 8. Telescopic block; 9. Connecting rod; 10. Rotating plate; 11. Second fixed block; 12. Telescopic rod; 13. Connecting block; 14. Telescopic spring; 15. Limiting rod; 16. Return spring; 17. Pull rod; 18. Baffle; 19. Pin; 20. Screen. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1 、 Figure 2 and Figure 3 The utility model provides a technical solution: a semi-finished product screening machine with a feed buffer structure, comprising: a shell 1 and a screen 20, a feed hopper 2 is installed on the top of the shell 1, a fixing frame 3 is installed inside the shell 1, a screening mechanism 4 is installed between two sets of fixing frames 3, the screening mechanism 4, the top of the screening mechanism 4 is connected to a sliding block 5 through a chute, and the screen 20 is installed on the top of the sliding block 5;

[0025] A first fixed block 6 is installed on the inner wall of the feed hopper 2, and a movable spring 7 is installed inside the first fixed block 6 through a groove. A telescopic block 8 is connected to one side of the movable spring 7. A connecting rod 9 is connected between the two groups of telescopic blocks 8. A rotating plate 10 is provided on one side of the connecting rod 9. The top of the rotating plate 10 is connected to the second fixed block 11 through a rotating shaft. The second fixed block 11 is installed on the inner wall of the feed hopper 2. Telescopic rods 12 are installed on both sides of the rotating plate 10 through rotating shafts. One end of the telescopic rod 12 is sleeved with a connecting block 13. The inside of the connecting block 13 is connected to a telescopic spring 14 through a groove, and the top of the connecting block 13 passes through the inner wall of the feed hopper 2.

[0026] During specific implementation, the semi-finished product screening machine with a feed buffer structure, when the plastic masterbatch semi-finished product is poured into the feed hopper 2, the plastic masterbatch semi-finished product will fall downward along the feed hopper 2 under gravity and hit the rotating plate 10. The rotating plate 10 will rotate downward through the rotating shaft between the second fixed block 11 and the second fixed block 11. A connecting rod 9 is provided on the back of the rotating plate 10, and telescopic blocks 8 are installed at both ends of the connecting rod 9. When the rotating plate 10 rotates downward, it will squeeze the connecting rod 9. When the connecting rod 9 is squeezed, it will drive the telescopic blocks 8 on both sides to shrink toward the inside of the first fixed block 6, and at the same time squeeze the movable spring 7 inside the first fixed block 6. Through the movable spring 7 and the telescopic block 8, the connecting rod 9 can play a buffering role on the rotating plate 10;

[0027] At the same time, when the rotating plate 10 rotates downward, the telescopic rods 12 on both sides rotate. The end of the telescopic rod 12 away from the rotating plate 10 is sleeved with a connecting block 13. When the rotating plate 10 rotates, the telescopic rod 12 is pulled out from the inside of the connecting block 13, and the telescopic spring 14 inside the connecting block 13 is in a stretched state. The top of the connecting block 13 is connected to the inside of the feed hopper 2 through a rotating shaft. Therefore, when the telescopic rod 12 rotates, the connecting block 13 rotates through the rotating shaft, so that the telescopic rod 12 can be stably extended and retracted.

[0028] The movable spring 7 and the telescopic spring 14 can buffer the rotating plate 10, thereby preventing the rotating plate 10 from rotating significantly, so that the rotating plate 10 has an upward rotational force. The rotating plate 10 can buffer the semi-finished plastic masterbatch product, slowing down the speed of the semi-finished plastic masterbatch product when it falls, so that the semi-finished plastic masterbatch product will not violently collide with the rotating plate 10 and be damaged.

[0029] See Figure 2 and Figure 6 It can be seen that when in use, the semi-finished plastic masterbatch can be poured into the shell 1 through the feed hopper 2, and at the same time, the semi-finished plastic masterbatch can impact the rotating plate 10, so that the rotating plate 10 rotates. When the rotating plate 10 rotates, it can buffer the semi-finished plastic masterbatch with the cooperation of the movable spring 7 and the telescopic spring 14, thereby avoiding the situation where the semi-finished plastic masterbatch falls too fast and is damaged.

[0030] A limiting rod 15 that passes through the screening mechanism 4 is inserted at the bottom of the sliding block 5. A reset spring 16 is connected between the limiting rod 15 and the groove of the screening mechanism 4. A pull rod 17 is connected between the two groups of limiting rods 15. A baffle 18 is connected to one side of the outer shell 1 through a rotating shaft. A bayonet 19 is installed on one side of the baffle 18. The limiting rod 15 forms a telescopic structure with the screening mechanism 4 through the reset spring 16.

[0031] When the pull rod 17 is moved downward, the limit rod 15 is moved downward, and the return spring 16 in the groove of the limit rod 15 and the screening mechanism 4 is in a compressed state. When the limit rod 15 moves downward, it will move out of the groove at the bottom of the sliding block 5, so that the limit rod 15 does not limit the sliding block 5. Then, the screen 20 can be slid and pulled out from the top of the screening mechanism 4 by the sliding block 5, thereby facilitating the collection and processing of impurities and damaged plastic masterbatch semi-finished products on the screen 20;

[0032] On the contrary, the screen 20 can be slid back to the top of the screening mechanism 4 through the sliding block 5, and the pull rod 17 can be loosened so that the pull rod 17 does not generate a pulling force on the limit rod 15, and then the limit rod 15 will move upward through the reset action of the reset spring 16 and dock into the groove at the bottom of the sliding block 5. The screen 20 can be stably limited on the screening mechanism 4 through the limit rod 15 and the sliding block 5, and finally the baffle 18 is fixed to the side of the shell 1 through the pin 19, so that the plastic masterbatch semi-finished product will not splash and scatter.

[0033] See Figure 1 、 Figure 2 、 Figure 4 and Figure 5 It can be seen that when in use, the baffle 18 can be opened according to the use requirements, and then the pull rod 17 can be pulled downward so that the limit rod 15 is not limited by the sliding block 5, and then the screen 20 can be removed from the screening mechanism 4, so as to facilitate the collection of impurities and damaged plastic masterbatch semi-finished products on the screen 20.

[0034] To sum up: when the semi-finished product screening machine with a feed buffer structure is in use, the shell 1 can be placed in a stable position, and then the screening mechanism 4 is started. The screening mechanism 4 is mainly composed of a motor, a cam, a protrusion guide block and a mounting frame, and the motor, cam, protrusion and guide block are all installed in the fixed frame 3. The cam is driven to rotate by the motor. The protrusion is installed on both sides of the cam. At the same time, the protrusion is connected to the guide block. When the cam rotates, it will continuously squeeze the protrusions on the left and right sides in turn, thereby driving the mounting frame and the top screen 20 to move left and right through the guide block. Then, the plastic masterbatch semi-finished product can be poured into the shell 1 through the feed hopper 2. By vibrating the screen 20 left and right, the debris or damaged plastic masterbatch semi-finished product in the plastic masterbatch semi-finished product can be screened. After screening, the plastic masterbatch semi-finished product will fall into the collection box at the bottom. This is the use feature of the semi-finished product screening machine with a feed buffer structure. The content not described in detail in this description belongs to the existing technology known to professional and technical personnel in this field.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A semi-finished product screening machine with a feed buffer structure, comprising: The housing (1) and the screen (20) are characterized in that: a feed hopper (2) is installed on the top of the housing (1), a fixing frame (3) is installed inside the housing (1), a screening mechanism (4) is installed between two sets of the fixing frames (3), the screening mechanism (4) and the top of the screening mechanism (4) are connected to a sliding block (5) through a chute, and the screen (20) is installed on the top of the sliding block (5); A first fixed block (6) is installed on the inner wall of the feed hopper (2), a movable spring (7) is installed inside the first fixed block (6) through a groove, a telescopic block (8) is connected to one side of the movable spring (7), a connecting rod (9) is connected between two groups of telescopic blocks (8), a rotating plate (10) is provided on one side of the connecting rod (9), and a second fixed block (11) is connected to the top of the rotating plate (10) through a rotating shaft, and the second fixed block (11) is installed on the inner wall of the feed hopper (2).

2. The semi-finished product screening machine with a feed buffer structure according to claim 1, characterized in that: Telescopic rods (12) are mounted on both sides of the rotating plate (10) via rotating shafts. A connecting block (13) is sleeved on one end of the telescopic rod (12). A telescopic spring (14) is connected to the interior of the connecting block (13) via a groove.

3. The semi-finished product screening machine with a feed buffer structure according to claim 1, characterized in that: A limiting rod (15) penetrating the screening mechanism (4) is inserted into the bottom of the sliding block (5), and a return spring (16) is connected between the limiting rod (15) and the groove of the screening mechanism (4).

4. The semi-finished product screening machine with a feed buffer structure according to claim 3, characterized in that: A pull rod (17) is connected between the two groups of limit rods (15).

5. The semi-finished product screening machine with a feed buffer structure according to claim 1, characterized in that: One side of the housing (1) is connected to a baffle (18) via a rotating shaft, and a latch (19) is installed on one side of the baffle (18).

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