Intermittent discharging and mixing device for modified plastic production

Abstract

The utility model relates to the technical field of modified plastic production, in particular to an intermittent blanking and mixing device for modified plastic production, which comprises a mixing barrel, a feeding hopper, a support, a double-shaft motor, a rotating shaft, a striker plate and the like. A stirring rod driven by a motor is arranged in the material mixing barrel, the top of the material mixing barrel is communicated with a feeding hopper in a bilateral symmetry manner, a double-shaft motor is mounted in the middle of the top of the material mixing barrel through a bracket, the lower part of the feeding hopper is rotatably connected with a rotating shaft, the rotating shaft is connected with a material baffle, and the material baffle is positioned in the feeding hopper. The double-shaft motor is connected with the rotating shaft through the connecting shaft, so that the double-shaft motor can drive the striker plate to rotate through the rotating shaft during operation, the feeding hopper can be intermittently opened, raw materials in the feeding hopper can also be intermittently discharged, and the raw materials falling into the mixing barrel can also be fully stirred through the stirring rod; and the mixing efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of modified plastic production, in particular to an intermittent material feeding and mixing device for modified plastic production. Background Art

[0002] Modified plastics are plastic products that are processed and modified by filling, blending, reinforcing, etc. on the basis of general plastics and engineering plastics to improve their flame retardancy, strength, impact resistance, toughness, etc. One or more properties of the plastics can be improved as needed to meet the needs of different fields.

[0003] The mixing of modified plastics is an important part of the plastic modification process. It involves the effective mixing of different plastic materials, additives and additives to improve the performance of plastics or meet specific application requirements. In the mixing process of modified plastics, the commonly used methods are physical blending and chemical copolymerization. Physical blending is to mix different types of plastics by mechanical force. This method is simple and direct, but may be affected by the compatibility of plastics. When mixing modified plastics, it is necessary to select suitable mixing equipment, such as mixers, extruders, etc., to ensure the mixing speed and uniformity. At present, when mixing modified plastics, the raw materials to be mixed are poured into the mixer together for stirring and mixing. When pouring the raw materials, they are generally poured one by one, that is, pour one raw material first, then pour another, and so on, until all the raw materials are added. In this way, each raw material is in a layered state. When stirring, it takes a longer time to mix, that is, the mixing efficiency is low, and uneven mixing is prone to occur. Utility Model Content

[0004] In order to overcome the shortcomings of uneven mixing and low mixing efficiency in the existing feeding method, the technical problem to be solved is to provide an intermittent feeding mixing device for modified plastic production that can mix evenly and improve mixing efficiency.

[0005] The technical solution of the utility model is: an intermittent feeding and mixing device for modified plastic production, including a mixing barrel, a feeding hopper, a bracket, a double-shaft motor, a rotating shaft, a material baffle plate and a connecting mechanism, a stirring rod driven by a motor is arranged in the mixing barrel, the top of the mixing barrel is symmetrically connected to the feeding hopper, a double-shaft motor is installed in the middle of the top of the mixing barrel through a bracket, the lower part of the feeding hopper is rotatably connected to the rotating shaft, a material baffle plate is connected to the rotating shaft, the material baffle plate is located in the feeding hopper, a connecting mechanism is arranged between the double-shaft motor and the rotating shaft, and the connection state of the rotating shaft and the double-shaft motor can be changed through the connecting mechanism.

[0006] In one of the embodiments, the connecting mechanism includes a limit block and a connecting shaft, a sliding groove is provided on the rotating shaft, the connecting shaft is slidably matched with the rotating shaft through the sliding groove, two limit blocks are connected to the connecting shaft, a card slot is provided on the output shaft of the dual-axis motor, and the limit block is plugged into the card slot.

[0007] In one of the embodiments, a fixing screw is also included. Both the connecting shaft and the rotating shaft are provided with threaded holes. There are two threaded holes on the rotating shaft. The threaded holes on the connecting shaft are threadedly connected with the fixing screw. The position of the connecting shaft is changed by cooperating with the threaded holes on the rotating shaft, thereby changing the clamping state of the limit block and the slot.

[0008] In one of the embodiments, an auxiliary top cover and a handle are also included. The top of the hopper is provided with an auxiliary top cover, and the top of the auxiliary top cover is connected to the handle.

[0009] In one of the embodiments, an observation window is also included, and the front side of the hopper is embedded with the observation window.

[0010] In one of the embodiments, there are also positioning blocks. Two positioning blocks are connected to the top of the mixing barrel. The positioning blocks correspond to the rotating shafts, and the limit blocks are engaged with the positioning blocks.

[0011] Beneficial effects: The utility model connects the dual-axis motor with the rotating shaft through a connecting shaft, so that when the dual-axis motor is running, it can drive the baffle plate to rotate through the rotating shaft, so that the feed hopper can be opened intermittently, and the raw materials in the feed hopper can also be discharged intermittently, and the raw materials dropped into the mixing barrel can also be fully stirred by the stirring rod, and the mixing efficiency can be improved; the dual-axis motor is disconnected from the rotating shaft by the connecting shaft, and the limit block is stuck in the positioning block, so that the corresponding feed hopper can discharge continuously, so that intermittent discharge or continuous discharge can be selected according to actual conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 The utility model is a schematic diagram of the connection structure of the mixing barrel, the rotating shaft and the baffle plate.

[0014] Figure 3 The utility model is a schematic diagram of the exploded structure of the dual-axis motor, the connecting shaft and the rotating shaft.

[0015] Figure 4 It is a schematic diagram of the connection structure of the dual-axis motor, the connecting shaft and the rotating shaft of the utility model.

[0016] Markings in the figure are: 1-mixing barrel, 2-feeding hopper, 3-bracket, 4-dual-axis motor, 5-rotating shaft, 6-limiting block, 601-slot, 7-connecting shaft, 8-blocking plate, 9-slide, 10-threaded hole, 11-fixing screw, 12-auxiliary top cover, 13-handle, 14-observation window, 15-positioning block. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the embodiments shown in the accompanying drawings.

[0018] Embodiment: An intermittent material mixing device for the production of modified plastics, such as Figure 1-4 As shown, it includes a mixing barrel 1, a feeding hopper 2, a bracket 3, a double-axis motor 4, a rotating shaft 5, a limit block 6, a connecting shaft 7, and a material baffle plate 8. A stirring rod driven by a motor is arranged in the mixing barrel 1. The top of the mixing barrel 1 is symmetrically connected to the feeding hopper 2. A double-axis motor 4 is installed in the middle of the top of the mixing barrel 1 through the bracket 3. The lower part of the feeding hopper 2 is rotatably connected with the rotating shaft 5, and the material baffle plate 8 is connected to the rotating shaft 5. The material baffle plate 8 is located in the feeding hopper 2. A connecting mechanism is arranged between the double-axis motor 4 and the rotating shaft 5, and the connecting mechanism can change the connection state of the rotating shaft 5 and the double-axis motor 4. A slide groove 9 is opened on the rotating shaft 5, and the connecting shaft 7 is slidably matched with the rotating shaft 5 through the slide groove 9. Two limit blocks 6 are connected to the connecting shaft 7. A card slot 601 is opened on the output shaft of the double-axis motor 4, and the limit block 6 is plug-fitted with the card slot 601.

[0019] like Figure 3 As shown, a fixing screw 11 is also included. Both the connecting shaft 7 and the rotating shaft 5 are provided with threaded holes 10. There are two threaded holes 10 on the rotating shaft 5. The threaded holes 10 on the connecting shaft 7 are internally threadedly connected with the fixing screw 11. The fixing screw 11 cooperates with the threaded holes 10 on the rotating shaft 5 to change the position of the connecting shaft 7, thereby changing the clamping state of the limit block 6 and the clamping slot 601.

[0020] like Figure 1 and Figure 2 As shown, an auxiliary top cover 12 and a handle 13 are also included. The top of the hopper 2 is provided with an auxiliary top cover 12 , and the top of the auxiliary top cover 12 is connected to the handle 13 . The auxiliary top cover 12 can prevent foreign objects from falling into the hopper 2 .

[0021] like Figure 1 and Figure 2 As shown, an observation window 14 is also included. The front side of the feed hopper 2 is embedded with the observation window 14, and the amount of raw materials in the feed hopper 2 and the feeding situation can be observed through the observation window 14.

[0022] like Figure 1 and Figure 2As shown, it also includes a positioning block 15. Two positioning blocks 15 are connected to the top of the mixing barrel 1. The positioning blocks 15 correspond to the rotating shaft 5, and the limit block 6 is engaged with the positioning blocks 15.

[0023] Initially, the limit block 6 is clamped in the clamping groove 601 of the output shaft of the double-axis motor 4, and the connecting shaft 7 connects the output shaft of the double-axis motor 4 with the rotating shaft 5; when it is necessary to mix the modified plastic raw materials, open the auxiliary top cover 12, and pour the raw materials into the hopper 2. At this time, the baffle plate 8 is in a horizontal state to block the hopper 2, and then the auxiliary top cover 12 is put back on the hopper 2, and the motor can be started to drive the stirring rod to rotate, and the double-axis motor 4 is started at the same time, so that the rotating shaft 5 is driven to rotate through the connecting shaft 7, and then the baffle plate 8 is driven to rotate, so that the hopper 2 can be opened intermittently, and the raw materials in the hopper 2 will also intermittently enter the mixing barrel 1, and the rotating stirring rod stirs and mixes the raw materials in the mixing barrel 1. By discharging the raw materials intermittently and stirring them synchronously during the discharging process, the raw materials can be fully mixed and the mixing efficiency can be improved. After the mixing is completed, the motors of the double-axis motor 4 and the stirring rod are turned off, and then the cover plate set at the bottom of the mixing barrel 1 is opened to discharge and collect the mixed raw materials. If only one side of the feed hopper 2 is needed for intermittent unloading, the fixed screw 11 on the side corresponding to the feed hopper 2 is rotated out from the threaded hole 10 on the rotating shaft 5, and then the connecting shaft 7 is moved away from the servo motor, so that the limit block 6 is moved out from the slot 601 of the servo motor output shaft, and the limit block 6 is adaptively rotated, which can drive the baffle plate 8 to rotate, so that the corresponding feed hopper 2 remains in the open state, and the limit block 6 is stuck in the positioning block 15 when moving, and the fixed screw 11 is rotated out of the threaded hole 10 on the rotating shaft 5, and then the connecting shaft 7 is moved away from the servo motor, so that the limit block 6 is moved out from the slot 601 of the servo motor output shaft, and the fixed screw 11 is rotated out of the threaded hole 10 on the rotating shaft 5, and then the connecting shaft 7 is moved away from the servo motor, so that the limit block 6 is moved out of the slot 601 of the servo motor output shaft, and the fixed screw 11 is rotated out of the threaded hole 10 on the rotating shaft 5, and then .... When the rod 11 is aligned with the threaded hole 10 on the outer side of the rotating shaft 5, the fixing screw 11 is screwed into the corresponding threaded hole 10 to fix the position of the connecting shaft 7. In this way, the dual-axis motor 4 is disconnected from the rotating shaft 5 by moving the connecting shaft 7, and the baffle plate 8 is opened. The raw materials in the hopper 2 will be continuously discharged. That is, the dual-axis motor 4 is connected or disconnected from the rotating shaft 5 by the connecting shaft 7, and the raw materials in the hopper 2 can be discharged intermittently or continuously. That is, intermittent discharge or continuous discharge can be selected according to actual conditions.

[0024] Although the utility model is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through this disclosure that various changes or modifications can be made to the utility model without departing from the principle and spirit of the utility model defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, not to limit the utility model, but the scope of protection is limited by the content of the claims.

Claims

1. An intermittent material mixing device for the production of modified plastics, comprising a mixing barrel (1) and a feeding hopper (2), wherein the top of the mixing barrel (1) is symmetrically connected to the feeding hopper (2), characterized in that: The invention also comprises a bracket (3), a double-shaft motor (4), a rotating shaft (5), a material baffle plate (8) and a connecting mechanism. The double-shaft motor (4) is installed in the middle of the top of the mixing barrel (1) through the bracket (3). The lower part of the feed hopper (2) is rotatably connected to the rotating shaft (5). The material baffle plate (8) is connected to the rotating shaft (5). The material baffle plate (8) is located in the feed hopper (2). A connecting mechanism is provided between the double-shaft motor (4) and the rotating shaft (5). The connecting mechanism can change the connection state between the rotating shaft (5) and the double-shaft motor (4).

2. The intermittent material mixing device for the production of modified plastics according to claim 1, characterized in that: The connection mechanism comprises a limit block (6) and a connection shaft (7); a sliding groove (9) is provided on the rotating shaft (5); the connection shaft (7) is slidably matched with the rotating shaft (5) through the sliding groove (9); the limit block (6) is connected to the connecting shaft (7); a clamping groove (601) is provided on the output shaft of the dual-axis motor (4); and the limit block (6) is plug-fitted with the clamping groove (601).

3. An intermittent material mixing device for the production of modified plastics as claimed in claim 2, characterized in that: The invention also comprises a fixing screw (11). The connecting shaft (7) and the rotating shaft (5) are both provided with threaded holes (10). There are two threaded holes (10) on the rotating shaft (5). The fixing screw (11) is connected to the threaded holes (10) on the connecting shaft (7) through internal threads.

4. The intermittent material mixing device for the production of modified plastics according to claim 1, characterized in that: It also includes an auxiliary top cover (12) and a handle (13). The top of the feed hopper (2) is provided with the auxiliary top cover (12), and the top of the auxiliary top cover (12) is connected to the handle (13).

5. The intermittent material mixing device for the production of modified plastics according to claim 1, characterized in that: It also includes an observation window (14), and the feeding hopper (2) is embedded with the observation window (14).

6. An intermittent material mixing device for the production of modified plastics as claimed in claim 2, characterized in that: It also includes positioning blocks (15). The top of the mixing barrel (1) is connected to two positioning blocks (15). The positioning blocks (15) correspond to the rotating shaft (5), and the limiting blocks (6) are engaged with the positioning blocks (15).

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