Injection material hot melt mixing device
The injection molding raw material hot melt mixing device, which combines a scraper and a stirring rod, solves the problem of residual raw material contamination on the inner wall of the hot melt tank, realizes cleaning and quantitative feeding, and ensures the uniformity and stability of the mixing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU JINRONG PRECISION MOLDING TECH CO LTD
- Filing Date
- 2025-06-12
- Publication Date
- 2026-05-29
AI Technical Summary
Existing injection molding raw material mixing equipment often leaves raw material residue on the inner wall of the hot melt tank after mixing, which can contaminate the next batch of materials.
A hot melt mixing device for injection molding raw materials, including a mixing mechanism and a feeding mechanism, was designed. By using a combination of a scraper and a stirring rod, the scraper scrapes off the residual raw materials on the inner wall when it rotates, and the feeding mechanism realizes quantitative feeding to avoid raw material spillage and accumulation.
Effectively cleans the inner wall of the hot melt tank, prevents contamination from residual raw materials, ensures uniform mixing and quantitative feeding, and avoids uneven hot melting caused by improper feeding.
Smart Images

Figure CN224296410U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of mixing devices, and in particular relates to a hot melt mixing device for injection molding raw materials. Background Technology
[0002] In the injection molding process, in order to obtain plastic products with excellent performance and stable quality, it is necessary to perform a thorough hot melt mixing process on the injection molding raw materials. Traditional injection molding raw material mixing methods have the following problems.
[0003] Existing equipment typically uses a stirring device to mix injection molding raw materials evenly. However, after stirring, the inner wall of the hot melt tank may have residual injection molding raw materials, which may cause material accumulation on the inner wall of the hot melt tank. The residual raw materials may contaminate the next mixing. Therefore, we propose a hot melt mixing device for injection molding raw materials. Utility Model Content
[0004] The purpose of this utility model is to provide a hot melt mixing device for injection molding raw materials. Through the mixing mechanism and the feeding mechanism, it solves the problem that when existing equipment mixes injection molding raw materials, it usually uses a stirring device to make the mixture uniform. However, after stirring, the inner wall of the hot melt tank may have injection molding raw materials remaining. This may cause raw materials to accumulate on the inner wall of the hot melt tank, and the residual raw materials may cause contamination for the next mixing.
[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0006] This utility model is a hot melt mixing device for injection molding raw materials, including a fixed frame, a hot melt barrel fixedly connected to the inner wall of the fixed frame, a discharge port fixedly connected to the inner wall of the hot melt barrel, a valve rotatably connected to the inner wall of the discharge port, and a mixing mechanism provided on the inner wall of the hot melt barrel.
[0007] The mixing mechanism includes a first motor, the bottom outer wall of which is fixedly connected to the top outer wall of the hot melt barrel. The bottom output end of the first motor is fixedly connected to a rotating shaft via a coupling. Several fixing rings are fixedly connected to the outer wall of the rotating shaft. A stirring rod is fixedly connected to the outer wall of each of the fixing rings. Several second fixing rings are fixedly connected to the outer wall of the rotating shaft. A second stirring rod is fixedly connected to the outer wall of each of the second fixing rings.
[0008] Furthermore, a telescopic rod is fixedly connected to the inner wall of several of the stirring rods 2, a scraper is fixedly connected to the outer wall of the end of the telescopic rod away from the stirring rod 2, a spring is sleeved on the outer wall of the telescopic rod, and a feeding mechanism is provided on the top outer wall of the fixed frame.
[0009] Furthermore, the feeding mechanism includes several fixed plates, the bottom outer walls of the several fixed plates are fixedly connected to the top outer wall of the fixed frame, the top outer walls of the several fixed plates are fixedly connected to a storage pipe, the top inner wall of the fixed frame is provided with a groove, the top outer wall of the fixed frame is fixedly connected to a fixed frame, the inner wall of the fixed frame is provided with several sliding grooves, and the inner walls of the several stirring rods are slidably connected to sliders.
[0010] Furthermore, a sliding plate is fixedly connected to the outer wall of one of the sliders away from the chute, and a feed pipe is fixedly connected to the inner wall of the sliding plate.
[0011] Furthermore, a connecting plate is fixedly connected to the outer wall of the feed pipe, and several connecting blocks are fixedly connected to the outer wall of the slide plate on the side near the connecting plate.
[0012] Furthermore, a fixed shaft is fixedly connected to the inner wall of several connecting blocks, and a fixed block is rotatably connected to the outer wall of several fixed shafts.
[0013] Furthermore, a cover plate is fixedly connected to the outer wall of the fixing block, and a second fixing block is fixedly connected to the outer wall of the fixing frame.
[0014] Furthermore, an electric actuator is fixedly connected to the inner wall of the second fixing block, and the bottom output end of the electric actuator is fixedly connected to the connecting plate.
[0015] This utility model has the following beneficial effects:
[0016] 1. This utility model incorporates a rotating mechanism. During rotation, the scraper drives the telescopic rod to retract, compressing the spring. The spring provides sufficient support to the scraper, ensuring it adheres tightly to the inner wall of the hot melt bucket. This also prevents damage caused by excessive friction between the scraper and the inner wall of the hot melt bucket. The scraper then removes the raw material adhering to the inner wall of the hot melt bucket, achieving the effect of cleaning the inner wall of the hot melt bucket during mixing. This prevents raw material accumulation on the inner wall of the hot melt bucket and effectively avoids contamination of the next mixing by residual raw material.
[0017] 2. This utility model incorporates a sliding plate. When the sliding plate leaves the storage pipe, the connecting plate blocks the storage pipe to prevent the raw materials in the storage pipe from spilling out. Subsequently, the feed pipe moves above the groove, at which point the connecting block is no longer limited by the hot melt barrel. Then, the cover plate rotates on the fixed shaft, and the raw materials in the feed pipe fall into the interior of the hot melt barrel, achieving a quantitative feeding effect. Quantitative feeding can keep the amount of raw materials entering the hot melt mixing device relatively stable, avoiding uneven hot melting due to excessive or insufficient feed.
[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a cross-sectional view of the overall structure of this utility model;
[0022] Figure 3 This is a schematic diagram of the scraper structure of this utility model;
[0023] Figure 4 This is a schematic diagram of the exploded structure of the feed pipe of this utility model;
[0024] Figure 5 This utility model Figure 4 Enlarged view of point A in the middle.
[0025] The attached diagram lists the components represented by each number as follows:
[0026] 1. Fixing frame; 101. Hot melt barrel; 102. Discharge port; 103. Valve; 2. Mixing mechanism; 201. First motor; 202. Fixing ring; 203. Stirring rod; 204. Fixing ring two; 205. Stirring rod two; 206. Telescopic rod; 207. Spring; 208. Scraper; 209. Rotating shaft; 3. Feeding mechanism; 301. Fixing plate; 302. Storage pipe; 303. Groove; 304. Fixing frame; 305. Slide groove; 306. Sliding block; 307. Slide plate; 308. Feeding pipe; 309. Connecting plate; 310. Connecting block; 311. Fixing shaft; 312. Fixing block; 313. Cover plate; 314. Fixing block two; 315. Electric actuator. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0028] Please see Figure 1-5 As shown, this utility model is a hot melt mixing device for injection molding raw materials, including a fixed frame 1, a hot melt barrel 101 fixedly connected to the inner wall of the fixed frame 1, a discharge port 102 fixedly connected to the inner wall of the hot melt barrel 101, the discharge port 102 is used to transport the mixed raw materials out, a valve 103 is rotatably connected to the inner wall of the discharge port 102, and a mixing mechanism 2 is provided on the inner wall of the hot melt barrel 101.
[0029] The mixing mechanism 2 includes a first motor 201, the bottom outer wall of the first motor 201 is fixedly connected to the top outer wall of the hot melt barrel 101, the bottom output end of the first motor 201 is fixedly connected to a rotating shaft 209 through a coupling, the first motor 201 is used to drive the rotating shaft 209 to rotate, a number of fixing rings 202 are fixedly connected to the outer wall of the rotating shaft 209, and a stirring rod 203 is fixedly connected to the outer wall of each of the fixing rings 202. The stirring rod 203 is used to stir the raw materials so that they are fully mixed. A number of fixing rings 204 are fixedly connected to the outer wall of the rotating shaft 209, and a stirring rod 205 is fixedly connected to the outer wall of each of the fixing rings 204.
[0030] Several stirring rods 205 are fixedly connected to the inner walls of their respective inner walls via telescopic rods 206. A scraper 208 is fixedly connected to the outer wall of the telescopic rod 206 at the end furthest from the stirring rod 205. A spring 207 is fitted onto the outer wall of the telescopic rod 206. A feeding mechanism 3 is provided on the top outer wall of the fixing frame 1. The feeding mechanism 3 includes several fixing plates 301. The bottom outer walls of the fixing plates 301 are fixedly connected to the top outer wall of the fixing frame 1. A storage pipe 302 is fixedly connected to the top outer wall of the fixing plates 301. The feeding pipe 308 then moves above the groove 303. At this point, the connecting block 310 is no longer limited by the hot melt barrel 101. The top inner wall of the fixing frame 1 has a groove 303 for fixing... A fixed frame 304 is fixedly connected to the top outer wall of the frame 1. Several grooves 305 are opened on the inner wall of the fixed frame 304. Several sliders 306 are slidably connected to the inner walls of several stirring rods 205. A sliding plate 307 is fixedly connected to the outer wall of the sliders 306 away from the grooves 305. When the sliding plate 307 leaves the storage pipe 302, the connecting plate 309 will block the storage pipe 302. A feed pipe 308 is fixedly connected to the inner wall of the sliding plate 307. When the feed pipe 308 moves, it will drive the cover plate 313 to move together. A connecting plate 309 is fixedly connected to the outer wall of the feed pipe 308. Several connecting blocks 310 are fixedly connected to the outer wall of the sliding plate 307 near the connecting plate 309.
[0031] A fixed shaft 311 is fixedly connected to the inner wall of several connecting blocks 310. When the feed pipe 308 moves, the cover plate 313 will rotate on the fixed shaft 311. A fixed block 312 is rotatably connected to the outer wall of several fixed shafts 311. The cover plate 313 is fixedly connected to the outer wall of the fixed block 312. A second fixed block 314 is fixedly connected to the outer wall of the fixed frame 304. When the cover plate 313 contacts the edge of the groove 303, it will rotate upward. As it moves continuously, the cover plate 313 will move closer to the feed pipe 308. An electric push rod 315 is fixedly connected to the inner wall of the second fixed block 314. The bottom output end of the electric push rod 315 is fixedly connected to the connecting plate 309.
[0032] One specific application of this embodiment is:
[0033] When the operator needs to use the equipment, firstly, injection molding material is added to the storage tube 302. As the material enters the storage tube 302, it slides down the inner wall into the feed tube 308. When the feed tube 308 is full of material, the material in the storage tube 302 stops flowing into the feed tube 308. Then, the electric actuator 315 is activated. When the electric actuator 315 starts operating, it pulls the connecting plate 309. At this time, the connecting plate 309 drives the sliding plate 307 connected to the feed tube 308 to slide through the slider 306 in the groove 305 opened in the fixed frame 304. When plate 307 leaves storage pipe 302, connecting plate 309 blocks storage pipe 302 to prevent raw material from spilling out. Then, feed pipe 308 moves above groove 303. At this time, connecting block 310 is no longer limited by hot melt barrel 101. Cover plate 313 then rotates on fixed shaft 311. The raw material in feed pipe 308 falls into the hot melt barrel 101. Electric actuator 315 drives feed pipe 308 to reset. When feed pipe 308 moves, cover plate 313 moves along with it. When the cover plate 313 contacts the edge of the groove 303, it rotates upwards. As it moves, the cover plate 313 moves closer to the feed pipe 308 until it is completely closed, preventing the raw material inside the feed pipe 308 from falling onto the top of the hot melt tank 101. Then, the first motor 201 is started. When the first motor 201 starts running, it drives the rotating shaft 209 to rotate. When the rotating shaft 209 rotates, it drives the stirring rod 203 to rotate. As the hot melt tank 101 is continuously heated, the raw material will gradually melt. The stirring by the stirring rod 203 will make the raw material more evenly mixed. When the rotating shaft 209 rotates, it drives the stirring rod 203 to rotate. The scraper 208 rotates, and during rotation, the scraper 208 drives the telescopic rod 206 to retract. During the retraction process, the spring 207 is compressed. Here, the spring 207 provides sufficient support for the scraper 208, allowing it to adhere tightly to the inner wall of the hot melt barrel 101. At the same time, it also prevents damage caused by excessive friction between the scraper 208 and the inner wall of the hot melt barrel 101. At this time, the scraper 208 scrapes off the raw material adhering to the inner wall of the hot melt barrel 101, preventing the raw material from sticking to the inside of the hot melt barrel 101. Then, the valve 103 is turned to discharge the mixed raw material in the hot melt barrel 101.
[0034] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0035] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A hot melt mixing device for injection molding raw materials, comprising a fixing frame (1), characterized in that: The inner wall of the fixed frame (1) is fixedly connected to a hot melt barrel (101), the inner wall of the hot melt barrel (101) is fixedly connected to a discharge port (102), the inner wall of the discharge port (102) is rotatably connected to a valve (103), and the inner wall of the hot melt barrel (101) is provided with a mixing mechanism (2). The mixing mechanism (2) includes a first motor (201), the bottom outer wall of the first motor (201) is fixedly connected to the top outer wall of the hot melt barrel (101), the bottom output end of the first motor (201) is fixedly connected to a rotating shaft (209) through a coupling, the outer wall of the rotating shaft (209) is fixedly connected to a plurality of fixing rings (202), the outer walls of the plurality of fixing rings (202) are all fixedly connected to a stirring rod (203), the outer wall of the rotating shaft (209) is fixedly connected to a plurality of fixing rings (204), the outer walls of the plurality of fixing rings (204) are all fixedly connected to a stirring rod (205).
2. The injection molding raw material hot melt mixing device according to claim 1, characterized in that, A telescopic rod (206) is fixedly connected to the inner wall of several stirring rods (205). A scraper (208) is fixedly connected to the outer wall of the end of the telescopic rod (206) away from the stirring rod (205). A spring (207) is sleeved on the outer wall of the telescopic rod (206). A feeding mechanism (3) is provided on the top outer wall of the fixed frame (1).
3. The injection molding raw material hot melt mixing device according to claim 2, characterized in that, The feeding mechanism (3) includes several fixed plates (301), the bottom outer walls of the several fixed plates (301) are fixedly connected to the top outer wall of the fixed frame (1), the top outer walls of the several fixed plates (301) are fixedly connected to a storage pipe (302), the top inner wall of the fixed frame (1) is provided with a groove (303), the top outer wall of the fixed frame (1) is fixedly connected to a fixed frame (304), the inner wall of the fixed frame (304) is provided with several sliding grooves (305), and the inner walls of the several stirring rods (205) are slidably connected to a slider (306).
4. The injection molding raw material hot melt mixing device according to claim 3, characterized in that, A slide plate (307) is fixedly connected to the outer wall of one of the sliders (306) away from the slide groove (305), and a feed pipe (308) is fixedly connected to the inner wall of the slide plate (307).
5. The injection molding raw material hot melt mixing device according to claim 4, characterized in that, A connecting plate (309) is fixedly connected to the outer wall of the feed pipe (308), and a number of connecting blocks (310) are fixedly connected to the outer wall of the slide plate (307) near the connecting plate (309).
6. The injection molding raw material hot melt mixing device according to claim 5, characterized in that, The inner walls of several connecting blocks (310) are fixedly connected to fixed shafts (311), and the outer walls of several fixed shafts (311) are rotatably connected to fixed blocks (312).
7. The injection molding raw material hot melt mixing device according to claim 6, characterized in that, The outer wall of the fixing block (312) is fixedly connected to a cover plate (313), and the outer wall of the fixing frame (304) is fixedly connected to a second fixing block (314).
8. The injection molding raw material hot melt mixing device according to claim 7, characterized in that, An electric push rod (315) is fixedly connected to the inner wall of the second fixing block (314), and the bottom output end of the electric push rod (315) is fixedly connected to the outer wall of the connecting plate (309).