High-speed stirring kettle for sheet molding compound

Abstract

The utility model relates to a sheet molding compound high-speed stirring kettle which comprises a stirring kettle body, the top end of the stirring kettle body is in lap joint with the bottom end of a top cover, and a scraping part is arranged in the top cover. According to the high-speed stirring kettle for the sheet molding compound, provided by the utility model, raw materials in the storage box are preheated through the heating wire, and then the electric push rod is started to pull the sealing plug upwards, so that two limiting rods above the sealing plug enter two limiting grooves below the scraping plate; then a servo motor is started to drive a connecting block and an electric push rod to rotate, so that a scraping plate rotates along with the connecting block and the electric push rod, finally, residual raw materials on the inner wall of the storage box are scraped, preheating of the to-be-stirred raw materials is facilitated, meanwhile, the raw materials remaining on the inner wall of the storage box due to heating can be scraped, and then waste of the raw materials is avoided; and pollution to follow-up raw materials can also be prevented.

Description

Technical Field

[0001] The utility model relates to a high-speed stirring kettle for sheet molding material, belonging to the technical field of plastic production. Background Art

[0002] The SMC high-speed stirring kettle is a kind of equipment for industrial production of molding materials, which can usually achieve high-speed mixing, stirring, homogenization and other operations. The equipment is suitable for various amorphous or semi-crystalline polymer plastic materials, such as polypropylene, polyamide, ABS, etc.

[0003] Chinese patent CN217072965U discloses a quantitative stirring barrel for raw materials of SMC sheet molding compound, comprising a base, the main body of which is a cylindrical structure, which solves the problem that when the motor is damaged or there is no motor stirring, the raw materials inside the stirring barrel cannot be mixed and stirred quickly, thereby having limitations; the stirring blades are driven to rotate by starting the motor installed on the top of the frame, and the raw materials inside the screen drum are efficiently stirred and mixed by the rotation of the stirring blades, and the stirred raw materials fall downward into the inside of the base and are quickly discharged through the discharge pipe, thereby achieving a more practical purpose.

[0004] In the prior art, since the sheet molding compound needs to be preheated before being stirred, after the sheet molding compound is heated, some residual raw materials will adhere to the inner wall of the machine body, thereby causing waste of the sheet molding compound raw materials. Utility Model Content

[0005] In view of the problem that after the existing sheet molding compound is heated, part of the remaining raw materials will adhere to the inner wall of the machine body, the present utility model is proposed.

[0006] Therefore, the utility model aims to provide a high-speed stirring kettle for sheet molding compound, which aims to scrape off the raw materials of the sheet molding compound remaining on the side wall while preheating the sheet molding compound.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a sheet molding compound high-speed stirring kettle, which includes a stirring kettle body, the top end of the stirring kettle body and the bottom end of the top cover overlap each other, a scraping component is provided inside the top cover, and a positioning component is also provided inside the top cover.

[0008] The scraping component includes a servo motor overlapped on the top of the top cover, the output end of the servo motor is transmission-connected to the top of the connecting block, the connecting block is clamped in the inside of the top cover, the bottom end of the connecting block is fixedly connected to the top of the electric push rod, the bottom end of the electric push rod is fixedly connected to the top of the closing plug, the inner top of the top cover and the top of the storage box are overlapped with each other, a heating wire is clamped in the interior of the storage box, two limit rods are fixedly connected to the top of the closing plug, the outer wall of the electric push rod is provided with a scraper, the bottom end of the scraper is provided with two limit grooves, the two limit rods are respectively clamped in the two limit grooves, and the outer surface of the scraper is overlapped with the inner wall of the storage box.

[0009] As a preferred solution of the sheet molding compound high-speed stirring kettle described in the utility model, the positioning component includes a movable groove opened at the top inner top of the top cover, a movable sleeve is movably connected in the movable groove, the movable sleeve is arranged on the outer wall of the electric push rod, and the bottom end of the movable sleeve is fixedly connected to the top end of the scraper to position the scraper.

[0010] As a preferred solution of the sheet molding compound high-speed stirring kettle of the utility model, the outer wall of the storage box is fixedly connected with a positioning ring, the bottom end of the positioning ring is threadedly connected with a plurality of bolts, and the plurality of bolts are threaded through the positioning ring and connected to the inner top of the top cover to lock the storage box and the top cover.

[0011] As a preferred solution of the sheet molding compound high-speed stirring kettle of the utility model, wherein: a storage groove is opened at the bottom end of the storage box, and the heating wire is clamped in the interior of the storage groove to store the heating wire.

[0012] As a preferred solution of the sheet molding compound high-speed stirring kettle of the utility model, the bottom end of the storage box and the top end of the base plate overlap each other, the top end of the base plate is fixedly connected with a mounting ring, and the mounting ring is threadedly connected to the inside of the storage groove through an external thread to fix the base plate under the storage box.

[0013] As a preferred solution of the sheet molding compound high-speed stirring kettle of the utility model, a through hole is opened at the bottom end of the bottom plate, and the bottom plate is sleeved on the outer wall of the closing plug through the through hole. The shape of the through hole is adapted to the shape of the closing plug to close the through hole.

[0014] As a preferred solution of the sheet molding compound high-speed stirring kettle of the utility model, a feed pipe is arranged on the top of the top cover, the feed pipe is connected with the storage box, the stirring kettle body is sleeved on the outer wall of the stirring device, and the stirring device is composed of a driving motor and a stirring wheel to stir the preheated raw materials.

[0015] Beneficial effects of the utility model:

[0016] 1. The raw materials inside the storage box are preheated by the heating wire, and then the electric push rod is started to pull the closing plug upward, so that the two limit rods above the closing plug will enter the two limit grooves below the scraper, and then the servo motor is started to drive the connecting block and the electric push rod to rotate, so that the scraper rotates with it, and finally the raw materials remaining on the inner wall of the storage box are scraped off, which is convenient for preheating the raw materials to be stirred. At the same time, the raw materials remaining on the inner wall of the storage box due to heating can also be scraped off, thereby avoiding waste of raw materials and preventing pollution to the subsequent raw materials.

[0017] 2. The scraper is limited by a movable sleeve, and the storage box is fixed inside the top cover by a positioning ring and bolts. When the heating wire is installed inside the storage groove, the bottom plate can be connected to the storage groove through the mounting ring. At this time, the bottom plate will be sleeved on the outside of the closing plug through the through hole. The raw materials entering the mixing kettle body will be stirred with the help of a stirring device, which facilitates the rapid installation of the storage box and allows the storage box to be quickly removed from the top cover. The scraper is limited inside the top cover by the movable sleeve and can rotate freely, so that the stability of the scraper is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 It is a schematic diagram of the overall structure of the high-speed stirring kettle for sheet molding compound of the utility model.

[0020] Figure 2 It is a schematic diagram of the three-dimensional structure of the cross-section of the high-speed stirring kettle of sheet molding compound of the utility model.

[0021] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the top cover of the sheet molding compound high-speed stirring kettle of the utility model.

[0022] Figure 4 It is a schematic cross-sectional three-dimensional structure diagram of a storage box of a sheet molding compound high-speed stirring kettle of the utility model.

[0023] Description of reference numerals:

[0024] 1. Mixing kettle body; 2. Top cover; 3. Scraping component; 31. Servo motor; 32. Connecting block; 33. Electric push rod; 34. Closing plug; 35. Storage box; 36. Heating wire; 37. Limit rod; 38. Limit groove; 39. Scraper; 4. Positioning component; 41. Movable groove; 42. Movable sleeve; 43. Positioning ring; 44. Bolt; 45. Storage groove; 46. Bottom plate; 47. Through hole; 48. Mounting ring; 5. Feed pipe; 6. Mixing equipment. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings. Example 1

[0026] Reference Figure 1-2 , which is the first embodiment of the utility model, provides a sheet molding compound high-speed stirring kettle, the sheet molding compound high-speed stirring kettle comprises a stirring kettle body 1, the top end of the stirring kettle body 1 and the bottom end of the top cover 2 overlap each other, a scraping component 3 is provided inside the top cover 2, and a positioning component 4 is also provided inside the top cover 2.

[0027] The scraping component 3 includes a servo motor 31 overlapped on the top of the top cover 2, the output end of the servo motor 31 is transmission-connected to the top of the connecting block 32, the connecting block 32 is clamped in the inside of the top cover 2, the bottom end of the connecting block 32 is fixedly connected to the top of the electric push rod 33, the bottom end of the electric push rod 33 is fixedly connected to the top of the closing plug 34, the inner top of the top cover 2 and the top of the storage box 35 are overlapped with each other, a heating wire 36 is clamped in the interior of the storage box 35, and two limit rods 37 are fixedly connected to the top of the closing plug 34, the outer wall of the electric push rod 33 is provided with a scraper 39, and the bottom end of the scraper 39 is provided with two limit grooves 38, the two limit rods 37 are respectively clamped in the two limit grooves 38, and the outer surface of the scraper 39 overlaps the inner wall of the storage box 35.

[0028] During use, when the raw materials enter the storage box 35 through the top cover 2, the heating wire 36 will preheat the raw materials inside the storage box 35. After the raw materials are preheated, the electric push rod 33 can be started to pull the closing plug 34 upward. When the upper part of the closing plug 34 contacts the lower part of the scraper 39, the two limit rods 37 above the closing plug 34 will enter the two limit grooves 38 below the scraper 39. At this time, the servo motor 31 can be started to drive the connecting block 32 to rotate inside the top cover 2, and the electric push rod 33 below the connecting block 32 will also rotate with the connecting block 32, so that the rotating closing plug 34 drives the scraper 39 to rotate inside the storage box 35, and the scraper 39 is used to scrape the raw materials remaining on the inner wall of the storage box 35, which is convenient for preheating the raw materials to be stirred. At the same time, the raw materials remaining on the inner wall of the storage box 35 due to heating can also be scraped off, thereby avoiding the waste of raw materials and preventing the subsequent raw materials from being contaminated. Example 2

[0029] Reference Figure 1-4 , which is the second embodiment of the utility model, and this embodiment is different from the first embodiment in that:

[0030] The positioning component 4 includes a movable groove 41 opened at the top of the inner part of the top cover 2, and a movable sleeve 42 is movably connected in the movable groove 41. The movable sleeve 42 is sleeved on the outer wall of the electric push rod 33. The bottom end of the movable sleeve 42 is fixedly connected to the top of the scraper 39. The outer wall of the storage box 35 is fixedly connected with a positioning ring 43. The bottom end of the positioning ring 43 is threadedly connected with a plurality of bolts 44. The plurality of bolts 44 pass through the positioning ring 43 and are threadedly connected to the inner top of the top cover 2. The bottom end of the storage box 35 is provided with a storage groove 45, and the heating wire 36 is clamped in the inner part of the storage groove 45. The bottom end of the storage box 35 and the top end of the bottom plate 46 are overlapped with each other, and the top end of the bottom plate 46 is fixedly connected with a mounting ring 48, and the mounting ring 48 is threadedly connected to the inside of the storage groove 45 through an external thread. A through hole 47 is opened at the bottom end of the bottom plate 46, and the bottom plate 46 is sleeved on the outer wall of the closing plug 34 through the through hole 47. The shape of the through hole 47 is adapted to the shape of the closing plug 34. A feeding pipe 5 is provided at the top end of the top cover 2, and the feeding pipe 5 is connected to the storage box 35. The stirring kettle body 1 is sleeved on the outer wall of the stirring device 6, and the stirring device 6 is composed of a driving motor and a stirring wheel.

[0031] During use, after the scraper 39 rotates, the movable sleeve 42 above it will rotate inside the movable groove 41, and after the storage box 35 is docked with the top cover 2, the positioning ring 43 on the outside of the storage box 35 will contact the inside of the top cover 2, and then be locked by the bolt 44. After the heating wire 36 is installed in the storage groove 45 below the storage box 35, the bottom plate 46 can be connected to the storage groove 45 through the mounting ring 48. At this time, the bottom plate 46 will be sleeved on the outside of the closing plug 34 through the through hole 47, so that the preheated raw materials will be discharged into the mixing kettle body 1 through the through hole 47, and finally the raw materials are stirred with the help of the stirring device 6, which facilitates the rapid installation of the storage box 35, so that the storage box 35 can be quickly removed from the inside of the top cover 2, and the scraper 39 is restricted inside the top cover 2 with the help of the movable sleeve 42 and can rotate freely, so that the stability of the scraper 39 is guaranteed.

[0032] The remaining structures are the same as those of Example 1.

[0033] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A sheet molding compound high-speed stirring kettle, comprising a stirring kettle body (1), characterized in that: The top end of the stirring kettle body (1) and the bottom end of the top cover (2) are overlapped with each other, a scraping component (3) is provided inside the top cover (2), and a positioning component (4) is also provided inside the top cover (2); The scraping component (3) comprises a servo motor (31) overlapped on the top of the top cover (2), the output end of the servo motor (31) is drivingly connected to the top of a connecting block (32), the connecting block (32) is clamped inside the top cover (2), the bottom end of the connecting block (32) is fixedly connected to the top of an electric push rod (33), the bottom end of the electric push rod (33) is fixedly connected to the top of a closing plug (34), the top of the interior of the top cover (2) is fixedly connected to the storage box (35), and the top of the top cover (2) is fixedly connected to the storage box (35). ) are overlapped with each other, a heating wire (36) is clamped inside the storage box (35), two limit rods (37) are fixedly connected to the top of the closing plug (34), a scraper (39) is sleeved on the outer wall of the electric push rod (33), two limit grooves (38) are opened at the bottom end of the scraper (39), the two limit rods (37) are respectively clamped in the two limit grooves (38), and the outer surface of the scraper (39) is overlapped with the inner wall of the storage box (35).

2. The sheet molding compound high-speed stirring kettle according to claim 1, characterized in that: The positioning component (4) comprises a movable groove (41) formed at the top end of the top cover (2), a movable sleeve (42) being movably connected in the movable groove (41), the movable sleeve (42) being sleeved on the outer wall of the electric push rod (33), and the bottom end of the movable sleeve (42) being fixedly connected to the top end of the scraper (39).

3. The sheet molding compound high-speed stirring kettle according to claim 1, characterized in that: The outer wall of the storage box (35) is fixedly connected to a positioning ring (43), the bottom end of the positioning ring (43) is threadedly connected to a plurality of bolts (44), and the plurality of bolts (44) pass through the positioning ring (43) and are threadedly connected to the inner top end of the top cover (2).

4. The sheet molding compound high-speed stirring kettle according to claim 1, characterized in that: A storage groove (45) is provided at the bottom end of the storage box (35), and the heating wire (36) is clamped inside the storage groove (45).

5. The sheet molding compound high-speed stirring kettle according to claim 4, characterized in that: The bottom end of the storage box (35) and the top end of the bottom plate (46) overlap each other, and the top end of the bottom plate (46) is fixedly connected with a mounting ring (48), and the mounting ring (48) is threadedly connected to the inside of the storage groove (45) via an external thread.

6. The sheet molding compound high-speed stirring kettle according to claim 5, characterized in that: A through hole (47) is provided at the bottom end of the bottom plate (46), and the bottom plate (46) is sleeved on the outer wall of the closing plug (34) through the through hole (47). The shape of the through hole (47) matches the shape of the closing plug (34).

7. The sheet molding compound high-speed stirring kettle according to claim 1, characterized in that: A feed pipe (5) is provided at the top end of the top cover (2), and the feed pipe (5) is connected to the storage box (35). The stirring kettle body (1) is sleeved on the outer wall of the stirring device (6), and the stirring device (6) is composed of a driving motor and a stirring wheel.

Images