Injection molding quantitative color mixing structure

Abstract

The utility model relates to injection molding equipment technical field, concretely relates to a kind of injection molding quantitative color mixing structure, including mixing box, temporary storage box and color masterbatch hopper, the front and rear both sides of the upper end of mixing box are fixedly connected with mounting bracket, temporary storage box is fixedly installed in the upside of rear mounting bracket, suction pump is fixedly installed in the upper end of temporary storage box, color masterbatch hopper is installed in the upside of front mounting bracket, the left and right sides of color masterbatch hopper are fixedly connected with mounting plate, connecting piece is arranged between mounting plate and front mounting bracket, connecting piece includes first locking block, first connecting slot, second connecting slot, second locking block, third connecting slot, fourth connecting slot, adjusting block, connecting block, clamping block and support spring;When replacing color masterbatch hopper, by pressing adjusting block, make clamping block separate from second connecting slot, remove the fixing of color masterbatch hopper, to facilitate the disassembly and installation of color masterbatch hopper, easy to operate, improve the replacement efficiency, avoid the mixing of color masterbatch in the replacement process simultaneously, ensure product quality.

Description

Technical Field

[0001] This utility model relates to the field of injection molding equipment technology, and specifically to an injection molding quantitative color mixing structure. Background Technology

[0002] Injection molding is a method of industrial product manufacturing. Products are typically made using rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding compression molding and die casting. The injection molding process requires the use of an injection molding machine, which is the main molding equipment that uses plastic molds to make plastic products of various shapes from thermoplastic or thermosetting materials. During the use of the injection molding machine, an extruder is used to squeeze the material into the inside of the mold. With the development of society, the requirements for the appearance and color of injection molded products have also become more diverse. In order to produce products of different colors, different colored masterbatches need to be mixed into the plastic when melting the plastic granules. Existing feeding equipment typically has a hopper for color masterbatch installed next to the plastic granule hopper. The color masterbatch and plastic granules are mixed in a specific ratio in a mixing tank before being fed into the extruder. However, in actual use, because each batch of products has a different color, different color masterbatches need to be changed. The existing hoppers for color masterbatch are mostly fixed and cannot be disassembled, resulting in low material change efficiency and affecting production efficiency. If different colored masterbatches are directly poured into the same hopper, color mixing easily occurs, affecting product quality. Therefore, it is necessary to invent a quantitative color mixing structure for injection molding to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to provide a quantitative color mixing structure for injection molding, in order to solve the problem that the process of changing the color masterbatch hopper in the technology is cumbersome and affects the production efficiency of the product. Although it is possible to achieve rapid production by pouring different color masterbatches into the same hopper, it is easy to cause color mixing and affect the product quality.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a quantitative color mixing structure for injection molding, comprising a mixing tank, a temporary storage tank, and a color masterbatch hopper. Mounting frames are fixedly connected to both the front and rear sides of the upper end of the mixing tank. The temporary storage tank is fixedly installed on the upper side of the rear mounting frame, and a suction pump is fixedly installed at the upper end of the temporary storage tank. The color masterbatch hopper is installed on the upper side of the front mounting frame, and mounting plates are fixedly connected to both the left and right sides of the color masterbatch hopper. A connecting component is provided between the mounting plate and the front mounting frame. The connecting component includes a first locking block, a first connecting groove, a second connecting groove, a second locking block, a third connecting groove, a fourth connecting groove, an adjusting block, a connecting block, a locking block, and a supporting spring.

[0005] By adopting the above technical solution, the temporary storage box is used to temporarily store plastic granules, the color masterbatch hopper is used to store color masterbatch, and the mixing box is used to mix the color masterbatch and plastic granules. When the color masterbatch hopper needs to be replaced, the adjusting block is pressed to disengage the locking block from the second connecting groove, thereby releasing the fixation of the color masterbatch hopper. This makes it easy to disassemble and install the color masterbatch hopper, which is simple to operate, improves the replacement efficiency, and at the same time avoids the mixing of color masterbatch during the replacement process, thus ensuring product quality.

[0006] Optionally, the lower ends of the temporary storage box and the color masterbatch hopper are both fixedly connected to a guide pipe, a sealing gasket is fixedly connected to the surface of the guide pipe near the lower end, a solenoid valve is installed on the surface of the guide pipe near the upper end, and a sealing cover is hinged to the upper end of the color masterbatch hopper.

[0007] By adopting the above technical solution, the material inside the temporary storage box color masterbatch hopper is discharged outward through the guide pipe, and the solenoid valve is used to precisely control the amount of material discharged.

[0008] Optionally, a guide plate is fixedly connected inside the mixing box, and the upper and lower sides of the guide plate are respectively a premixing chamber and a stirring chamber.

[0009] By adopting the above technical solution, the premixing chamber is used to premix the materials only, and the mixing chamber is used to deeply mix the materials, thereby improving the mixing efficiency of the materials.

[0010] Optionally, the premixing chamber has feed holes on both the front and rear surfaces, and the lower end of the guide pipe passes through the feed holes and is inserted into the interior of the premixing chamber.

[0011] By adopting the above technical solution, both the color masterbatch and the material particles are discharged into the premixing chamber through the feed pipe, and then flow into the mixing chamber through the feed plate.

[0012] Optionally, a drive motor is fixedly installed at the upper end of the mixing box, and a transmission rod is fixedly connected to the lower end of the output end of the drive motor. Stirring blades are fixedly connected to the surface of the transmission rod inside both the premixing chamber and the stirring chamber.

[0013] By adopting the above technical solution, the output end of the drive motor drives the transmission rod and stirring blade to rotate, which disperses the material in the premixing chamber and deeply stirs the material in the stirring chamber, effectively improving the mixing efficiency.

[0014] Optionally, a first locking block is fixedly connected to the surface of the mounting bracket opposite to the front side. The first connecting groove is opened on the front surface of the first locking block, and the second connecting groove is opened on the side of the rear end of the first connecting groove.

[0015] By adopting the above technical solution, the first locking block and the second locking block cooperate to lock and fix the color masterbatch hopper. Optionally, the second locking blocks are fixedly connected to the opposite side surfaces of the two sets of mounting plates, the third connecting groove is opened on the opposite side surfaces of the two sets of second locking blocks, the adjusting block is slidably connected to the inside of the third connecting groove, the support spring is disposed inside the adjusting block, and the two ends of the support spring abut against the inner walls of the adjusting block and the third connecting groove, respectively.

[0016] By adopting the above technical solution, the adjusting block slides inside the third connecting groove, and the support spring is used to support the adjusting block.

[0017] Optionally, the fourth connecting groove is formed on the rear surface of the second locking block, the fourth connecting groove is in communication with the third connecting groove, the connecting block is slidably connected to the fourth connecting groove, one inner end of the connecting block is fixedly connected to one inner end of the adjusting block, and a locking block is fixedly connected to the rear end of the connecting block.

[0018] By adopting the above technical solution, the connecting block slides inside the fourth connecting groove, thereby driving the card block to slide left and right.

[0019] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0020] 1. This utility model allows for easy disassembly and installation of the color masterbatch hopper by pressing the adjusting block when it is necessary to replace the color masterbatch hopper. This simplifies the operation, improves replacement efficiency, and prevents the color masterbatch from mixing during replacement, thus ensuring product quality.

[0021] 2. This utility model drives the transmission rod and stirring blade to rotate through the output end of the drive motor, which disperses the material discharged into the premixing chamber and deeply stirs the material inside the mixing chamber, effectively improving the mixing efficiency. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the color masterbatch hopper structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the connection structure between the mounting plate and the mounting bracket of this utility model;

[0025] Figure 4 This is a schematic diagram of the internal structure of the first locking block and the second locking block of this utility model;

[0026] Figure 5 This is a schematic diagram of the external structure of the mixing box of this utility model;

[0027] Figure 6 This is a schematic diagram of the internal structure of the mixing box of this utility model.

[0028] Explanation of reference numerals in the attached figures:

[0029] 1. Mixing box; 11. Mounting bracket; 111. First locking block; 112. First connecting groove; 113. Second connecting groove; 12. Drive motor; 13. Guide plate; 14. Premixing chamber; 15. Mixing chamber; 16. Feed hole; 17. Transmission rod; 18. Mixing blade; 2. Temporary storage box; 21. Suction pump; 3. Masterbatch hopper; 31. Sealing cover; 32. Guide pipe; 33. Sealing gasket; 34. Solenoid valve; 35. Mounting plate; 36. Second locking block; 361. Third connecting groove; 362. Fourth connecting groove; 363. Adjusting block; 364. Connecting block; 365. Locking block; 366. Support spring. Detailed Implementation

[0030] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0031] This utility model provides, for example Figures 1 to 4 The shown injection molding quantitative color mixing structure includes a mixing tank 1, a temporary storage tank 2, and a color masterbatch hopper 3. The mixing tank 1 is fixedly connected to the front and rear sides of the upper end of the mixing tank 1. The temporary storage tank 2 is fixedly installed on the upper side of the rear mounting bracket 11. A suction pump 21 is fixedly installed on the upper end of the temporary storage tank 2. The color masterbatch hopper 3 is installed on the upper side of the front mounting bracket 11. The color masterbatch hopper 3 is fixedly connected to the left and right sides of the color masterbatch hopper 3. A connecting component is provided between the mounting plate 35 and the front mounting bracket 11. The connecting component includes a first locking block 111, a first connecting groove 112, a second connecting groove 113, a second locking block 36, a third connecting groove 361, a fourth connecting groove 362, an adjusting block 363, a connecting block 364, a locking block 365, and a support spring 366.

[0032] The mixing box 1 is installed at the top of the feed hopper in the feed inlet of the extruder. The temporary storage box 2 is pumped into the plastic granules by the suction pump 21. The color masterbatch in the color masterbatch hopper 3 is manually fed. During use, the plastic granules and color masterbatch in the temporary storage box 2 and the color masterbatch hopper 3 are fed into the mixing box 1 for mixing. After mixing, the mixture is directly discharged into the feed hopper in the extruder.

[0033] Meanwhile, when changing the color masterbatch, the first locking block 111 and the second locking block 36 are unlocked. At this time, the color masterbatch hopper 3 can be quickly disassembled, a clean color masterbatch hopper 3 can be replaced, and then the color masterbatch can be injected into the interior of the color masterbatch hopper 3, so that the product can be produced quickly.

[0034] See Figure 1 , Figure 2 , Figure 5 and Figure 6 The lower ends of the temporary storage box 2 and the color masterbatch hopper 3 are both fixedly connected to the guide pipe 32. The surface of the guide pipe 32 near the lower end is fixedly connected to the sealing gasket 33. The surface of the guide pipe 32 near the upper end is installed with the solenoid valve 34. The upper end of the color masterbatch hopper 3 is hinged with the sealing cover 31. The inside of the mixing box 1 is fixedly connected to the guide plate 13. The upper and lower sides of the guide plate 13 are the premixing chamber 14 and the stirring chamber 15, respectively. The front and rear surfaces of the premixing chamber 14 are both provided with feed holes 16. The lower end of the guide pipe 32 passes through the feed hole 16 and is inserted into the interior of the premixing chamber 14. The upper end of the mixing box 1 is fixedly installed with the drive motor 12. The lower end of the output end of the drive motor 12 is fixedly connected to the transmission rod 17. The surface of the transmission rod 17 located inside the premixing chamber 14 and the stirring chamber 15 is fixedly connected with the stirring blade 18.

[0035] Specifically, the sealing gasket 33 is used to block one end of the outer side of the feed hole 16, and the sealing cover 31 is used to seal the upper end of the color masterbatch hopper 3. The sealing cover 31 can be opened during the feeding process.

[0036] During the feeding process, the ratio of color masterbatch and plastic granules is set inside the controller. At this time, the solenoid valve 34 will automatically control the amount of color masterbatch fed. After the solenoid valve 34 is opened, the color masterbatch and plastic granules will be introduced into the premixing chamber 14 from the guide pipe 32. At this time, the output end of the drive motor 12 drives the transmission rod 17 and the stirring blade 18 to rotate. The stirring blade 18 inside the premixing chamber 14 disperses and premixes the incoming material. The premixed material enters the mixing chamber 15 through the guide plate 13. The stirring blade 18 inside the mixing chamber 15 performs deep mixing of the material. The premixing chamber 14 and the mixing chamber 15 work together to effectively improve the material mixing efficiency.

[0037] See Figures 1 to 4On the opposite side surface of the front mounting bracket 11, a first locking block 111 is fixedly connected. A first connecting groove 112 is formed on the front surface of the first locking block 111. A second connecting groove 113 is formed on the side of the rear end of the first connecting groove 112. On the opposite side surface of the two sets of mounting plates 35, a second locking block 36 is fixedly connected. A third connecting groove 361 is formed on the opposite side surface of the two sets of second locking blocks 36. An adjusting block 363 is slidably connected to the interior of the third connecting groove 361, providing support. Spring 366 is located inside adjusting block 363. The two ends of supporting spring 366 abut against the inner walls of adjusting block 363 and third connecting groove 361, respectively. Fourth connecting groove 362 is opened on the rear surface of second locking block 36. Fourth connecting groove 362 is in communication with third connecting groove 361. Connecting block 364 is slidably connected to fourth connecting groove 362. One inner end of connecting block 364 is fixedly connected to one inner end of adjusting block 363. A locking block 365 is fixedly connected to the rear end of connecting block 364.

[0038] In addition, during the replacement of the color masterbatch hopper 3, the installed color masterbatch hopper 3 is first disassembled. By pressing the two adjusting blocks 363 inward at the same time, the adjusting blocks 363 cooperate with the connecting block 364, so that the locking block 365 is separated from the inside of the second connecting groove 113. At this time, the color masterbatch hopper 3 can be disassembled and removed by sliding it forward.

[0039] When installing the clean masterbatch hopper 3, the mounting plates 35 on both sides are placed on the surface of the mounting frame 11. Then, the masterbatch hopper 3 is pushed backward. At this time, the locking block 365 and the connecting block 364 are inserted into the first connecting groove 112. When the masterbatch hopper 3 slides to the last end, the guide tube 32 is inserted into the feed hole 16. At the same time, the locking block 365 is locked into the second connecting groove 113, thereby locking and fixing the first locking block 111 and the second locking block 36, and fixing the masterbatch hopper 3 on the upper side of the mounting frame 11.

[0040] The working principle of this utility model is as follows: When it is necessary to replace the color masterbatch hopper 3, the locking block 365 is disengaged from the second connecting groove 113 by pressing the adjusting block 363, thereby releasing the fixation of the color masterbatch hopper 3, which facilitates the disassembly and installation of the color masterbatch hopper 3. The operation is simple and the replacement efficiency is improved. At the same time, the color masterbatch is prevented from mixing during the replacement process, thus ensuring product quality. Meanwhile, the output end of the drive motor 12 drives the transmission rod 17 and the stirring blade 18 to rotate, which disperses the material discharged into the premixing chamber 14 and deeply stirs the material inside the mixing chamber 15, effectively improving the mixing efficiency.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A quantitative color mixing structure for injection molding, comprising a mixing tank (1), a temporary storage tank (2), and a masterbatch hopper (3), characterized in that: The mixing box (1) is fixedly connected to the front and rear sides of the upper end of the mixing box (1). The temporary storage box (2) is fixedly installed on the upper side of the rear mounting box (11). The upper end of the temporary storage box (2) is fixedly installed with a suction pump (21). The color masterbatch hopper (3) is installed on the upper side of the front mounting box (11). The left and right sides of the color masterbatch hopper (3) are fixedly connected with mounting plates (35). A connector is provided between the mounting plate (35) and the front mounting box (11). The connector includes a first locking block (111), a first connecting groove (112), a second connecting groove (113), a second locking block (36), a third connecting groove (361), a fourth connecting groove (362), an adjusting block (363), a connecting block (364), a locking block (365), and a support spring (366).

2. The injection molding quantitative color mixing structure according to claim 1, characterized in that: The lower ends of the temporary storage box (2) and the color masterbatch hopper (3) are both fixedly connected to a guide pipe (32). A sealing gasket (33) is fixedly connected to the surface of the guide pipe (32) near the lower end. A solenoid valve (34) is installed on the surface of the guide pipe (32) near the upper end. A sealing cover (31) is hinged to the upper end of the color masterbatch hopper (3).

3. The injection molding quantitative color mixing structure according to claim 2, characterized in that: The mixing box (1) is fixedly connected to a guide plate (13), and the upper and lower sides of the guide plate (13) are a premixing chamber (14) and a stirring chamber (15), respectively.

4. The injection molding quantitative color mixing structure according to claim 3, characterized in that: The premix chamber (14) has feed holes (16) on both the front and rear surfaces, and the lower end of the guide pipe (32) passes through the feed holes (16) and is inserted into the interior of the premix chamber (14).

5. The injection molding quantitative color mixing structure according to claim 4, characterized in that: A drive motor (12) is fixedly installed at the upper end of the mixing box (1). A transmission rod (17) is fixedly connected to the lower end of the output end of the drive motor (12). A stirring blade (18) is fixedly connected to the surface of the transmission rod (17) inside the premixing chamber (14) and the stirring chamber (15).

6. The injection molding quantitative color mixing structure according to claim 1, characterized in that: The front mounting bracket (11) has a first locking block (111) fixedly connected to the opposite side surface of the front mounting bracket (11). The first connecting groove (112) is opened on the front surface of the first locking block (111), and the second connecting groove (113) is opened on the side of the rear end of the first connecting groove (112).

7. The injection molding quantitative color mixing structure according to claim 1, characterized in that: A second locking block (36) is fixedly connected to one side surface of each of the two sets of mounting plates (35) facing away from each other. The third connecting groove (361) is opened on one side surface of the two sets of second locking blocks (36) facing away from each other. The adjusting block (363) is slidably connected to the inside of the third connecting groove (361). The support spring (366) is set inside the adjusting block (363). The two ends of the support spring (366) abut against the inner walls of the adjusting block (363) and the third connecting groove (361), respectively.

8. The injection molding quantitative color mixing structure according to claim 7, characterized in that: The fourth connecting groove (362) is opened on the rear surface of the second locking block (36). The fourth connecting groove (362) is in communication with the third connecting groove (361). The connecting block (364) is slidably connected to the fourth connecting groove (362). One inner end of the connecting block (364) is fixedly connected to one inner end of the adjusting block (363). A locking block (365) is fixedly connected to the rear end of the connecting block (364).

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