Stirring structure for injection molding machine
By designing the stirring structure of the support, rotating barrel and mixing components on the injection molding machine, the problem of low melting efficiency of the loading mechanism of the injection molding machine is solved, and more efficient plastic mixing and uniform stirring are achieved, and the injection molding quality is improved.
Patent Information
- Application Number
- CN202422310892.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-09-23
AI Technical Summary
When the existing injection molding machine loading mechanism melts and heats the plastic, the stirring and mixing takes a long time, resulting in low melting efficiency, affecting the plastic molding effect and increasing the probability of defective products.
A stirring structure including a support, a rotating drum, a mixing assembly and a rotating motor is designed. The plastic is pretreated by the abrasive parts, and the rotating roller drives the mixing plate to rotate and mix at different angles. The multi-layer rotating drum and drainage plate are used to prevent the bottom sinking phenomenon and achieve uniform stirring.
It improves the melting efficiency and mixing uniformity of plastics, reduces the generation of defective products, and improves the quality of injection molding.
Smart Images

Figure CN223223760U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of injection molding production, and more specifically relates to a stirring structure for an injection molding machine. Background Art
[0002] Injection molding machine, also known as injection molding machine or injection machine, is the main molding equipment that uses plastic molding molds to make plastic products of various shapes of thermoplastics or thermosetting plastics. It is divided into vertical, horizontal and all-electric types. The injection molding machine can heat the plastic and apply high pressure to the molten plastic to make it ejected and fill the mold cavity.
[0003] When the injection molding machine is loaded with materials, the recycled plastic raw materials need to be crushed and heated, but the existing injection molding machine takes a long time to stir and mix the plastics, and the overall efficiency is not high. Utility Model Content
[0004] 1. Technical problems to be solved by the utility model
[0005] The purpose of the utility model is to solve the problem that the existing injection molding machine feeding mechanism takes a long time to stir and mix the plastic when melting and heating the plastic, and the melting efficiency is low, resulting in poor melting effect of the plastic, affecting the effect of plastic molding, and greatly increasing the probability of defective products.
[0006] 2. Technical solution
[0007] In order to achieve the above-mentioned purpose, the technical solution provided by the present utility model is:
[0008] The utility model discloses a stirring structure for an injection molding machine, comprising a support, a connecting through hole being provided on the support, a rotating drum being installed through the connecting through hole, a mixing assembly being installed through the rotating drum, a rotating roller being installed through the mixing assembly on the rotating drum, a connecting block being sleeved on the rotating roller, mixing plates being installed in an array on the connecting block, the mixing plates being arranged in an arc shape, and the mixing plates being installed in the array have different upper and lower angles, a rotating motor being vertically provided on the rotating drum, and an output end of the rotating motor being connected to one end of the rotating roller, a feeding port being provided at the top of the rotating drum, a discharging port being provided at the bottom, and a grinding piece being installed on the feeding port of the rotating drum.
[0009] Preferably, the grinding piece is provided with a grinding box on the feed port, and the grinding rollers are symmetrically installed in the grinding box, two synchronous rollers are passed through the grinding piece, and the two synchronous rollers pass through the grinding box and the grinding rollers, one end of the two synchronous rollers is provided with a synchronous gear, and the synchronous gears are engaged with each other, a grinding motor is provided on the rotating cylinder, and the output end of the grinding motor is connected to a synchronous roller.
[0010] Preferably, the rotating cylinder has three layers, the first layer is a rotatable inner cylinder, and a gear ring is sleeved on the bottom of the inner cylinder, the second layer is a bearing sleeve connected to the outer wall of the inner cylinder, and the third layer is an insulation outer layer connected to the bearing sleeve.
[0011] Preferably, an auxiliary frame is provided on the support, and an active roller is installed through the auxiliary frame. A driving gear is sleeved on the active roller, and the driving gear is engaged with the gear ring at the bottom of the inner cylinder. A rotating motor is vertically arranged on the auxiliary frame, and the output end of the rotating motor is connected to one end of the active roller.
[0012] Preferably, the inner bottom of the inner cylinder is provided with guide plates in a circular array and tilted, and the discharge port at the bottom of the rotating cylinder is connected to the output pipe.
[0013] 3. Beneficial effects
[0014] Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects:
[0015] (1) The injection molding machine of the present invention uses a stirring structure. The plastic is first ground by a grinding piece and then enters the rotating drum. Then, the output of the rotating motor drives the rotating roller to rotate, so that the connecting block mounted on the rotating roller drives the mixing plate to mix and stir the molten plastic. The mixing plates installed in an array have different angles. The rotation of the mixing plate will drive the plastic in the rotating drum to rotate and mix in different directions in the rotating drum.
[0016] (2) The injection molding machine of the present invention uses a stirring structure, and the rotating drum can also rotate, which makes the stirring and mixing in the auxiliary drum more uniform. At the same time, a drainage plate is provided at the bottom of the inner drum of the rotating drum, and the rotation of the inner drum drives the drainage plate to rotate, which can effectively prevent sinking to the bottom. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is an overall structural diagram of the stirring structure for an injection molding machine of the present invention.
[0018] Figure 2 This is a structural diagram of the rotating drum of the stirring structure for the injection molding machine of the present invention.
[0019] Figure 3 This is a structural diagram of a mixing component of a stirring structure for an injection molding machine according to the present invention.
[0020] Figure 4 This is a structural diagram of the auxiliary frame of the stirring structure for the injection molding machine of the present invention.
[0021] Explanation of the numbers in the schematic diagram:
[0022] 100, support;
[0023] 200, rotating cylinder; 210, inner cylinder; 220, gear ring; 230, bearing sleeve; 240, thermal insulation outer layer; 250, output pipe;
[0024] 300, mixing assembly; 310, rotating roller; 320, connecting block; 330, mixing plate; 340, rotating motor; 350, grinding element; 351, grinding box; 352, grinding roller; 353, synchronous roller; 354, synchronous gear; 355, grinding motor;
[0025] 400, auxiliary frame; 410, driving roller; 420, driving gear; 430, rotating motor. DETAILED DESCRIPTION
[0026] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
[0027] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be an element in the middle; when an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be an element in the middle; the terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this invention pertains; the terms used herein in the specification of this invention are for the purpose of describing specific embodiments only and are not intended to limit this invention; the term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0029] Example 1
[0030] Refer to the attached Figure 1-Figure 4As shown, the support 100 of this embodiment has a connecting through hole formed on the support 100, and a rotating cylinder 200 is installed in the connecting through hole, a mixing assembly 300 is installed on the rotating cylinder 200, a rotating roller 310 is installed on the mixing assembly 300 on the rotating cylinder 200, and a connecting block 320 is sleeved on the rotating roller 310, and a mixing plate 330 is installed in an array on the connecting block 320, and the mixing plate 330 is set in an arc shape, and the mixing plates 330 installed in the array have different upper and lower angles, and a rotating motor 340 is vertically provided on the rotating cylinder 200, and the output end of the rotating motor 340 is connected to one end of the rotating roller 310. A feed port is provided at the top of the rotating drum 200, and a discharge port is provided at the bottom. A grinding member 350 is installed on the feed port of the rotating drum 200. With this structural design, the plastic is first ground by the grinding member 350 before entering the rotating drum 200. Then, the output of the rotating motor 340 drives the rotating roller 310 to rotate, so that the connecting block 320 mounted on the rotating roller 310 drives the mixing plate 330 to mix and stir the molten plastic. The mixing plates 330 installed in an array have different angles. The rotation of the mixing plates 330 will drive the plastic in the rotating drum 200 to rotate and mix in different directions in the rotating drum 200.
[0031] The grinding member 350 of this embodiment is provided with a grinding box 351 on the feed port, and grinding rollers 352 are symmetrically installed in the grinding box 351. Two synchronous rollers 353 are penetrated by the grinding member 350, and the two synchronous rollers 353 both penetrate the grinding box 351 and the grinding rollers 352. One end of the two synchronous rollers 353 is sleeved with a synchronous gear 354, and the synchronous gears 354 are engaged with each other. A grinding motor 355 is provided on the rotating cylinder 200, and the output end of the grinding motor 355 is connected to a synchronous roller 353. With this structural design, the output of the grinding motor 355 drives a synchronous roller 353 to rotate, and through the connection of the synchronous gear 354, the two synchronous rollers 353 rotate relative to each other, so that the grinding rollers 352 symmetrically installed in the grinding box 351 rotate and grind, and the plastic poured into the rotating cylinder 200 is first crushed and ground.
[0032] The rotating cylinder 200 of this embodiment is provided with three layers. The first layer is a rotatable inner cylinder 210, and a gear ring 220 is sleeved on the bottom of the inner cylinder 210. The second layer is a bearing sleeve 230, which is connected to the outer wall of the inner cylinder 210. The third layer is a heat-insulating outer layer 240, which is connected to the bearing sleeve 230. With this structural design, the rotating cylinder 200 is provided with three layers. The inner cylinder 210 can be rotated by the gear ring 220 sleeved on the bottom, and the rotational force will be offset by the bearing sleeve 230 sleeved on the outer wall. Then, while being insulated by the third heat-insulating outer layer 240, it is fixed in the connecting through hole of the support 100.
[0033] In this embodiment, an auxiliary frame 400 is provided on the support 100, and an active roller 410 is installed through the auxiliary frame 400. A driving gear 420 is sleeved on the active roller 410, and the driving gear 420 is engaged with the gear ring 220 at the bottom of the inner cylinder 210. A rotating motor 430 is vertically provided on the auxiliary frame 400, and the output end of the rotating motor 430 is connected to one end of the active roller 410. With this structural design, the output of the rotating motor 430 drives the active roller 410 to rotate, thereby rotating the driving gear 420 sleeved on the active roller 410. Through the engagement of the driving gear 420 with the gear ring 220 at the bottom of the inner cylinder 210, the inner cylinder 210 is driven to rotate.
[0034] The inner bottom of the inner cylinder 210 of this embodiment is provided with guide plates in a circular array and tilted thereon. The discharge port at the bottom of the rotating cylinder 200 is connected to the output pipe 250. With this structural design, the inner cylinder 210 is driven to rotate by the gear ring 220 and the driving gear 420, and the guide plates in a circular array and tilted thereon at the bottom also rotate accordingly.
[0035] The above-mentioned embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, which all fall within the scope of protection of the utility model. Therefore, the scope of protection of the utility model patent shall be based on the attached claims.
Claims
1. A stirring structure for an injection molding machine, characterized in that: The invention comprises a support (100), wherein a connecting through hole is provided on the support (100), and a rotating drum (200) is installed in the connecting through hole, a mixing assembly (300) is installed in the rotating drum (200), a rotating roller (310) is installed in the rotating drum (200), and a connecting block (320) is sleeved on the rotating roller (310), and mixing plates (330) are installed in an array on the connecting block (320), the mixing plates (330) are arranged in an arc shape, and the mixing plates (330) installed in the array have different upper and lower angles, a rotating motor (340) is vertically provided on the rotating drum (200), and the output end of the rotating motor (340) is connected to one end of the rotating roller (310), a feeding port is provided at the top of the rotating drum (200), and a discharging port is provided at the bottom, and a grinding member (350) is installed on the feeding port of the rotating drum (200).
2. The stirring structure for an injection molding machine according to claim 1, wherein: The grinding member (350) is provided with a grinding box (351) on the feed port, and a grinding roller (352) is symmetrically installed in the grinding box (351). Two synchronous rollers (353) are provided through the grinding member (350), and the two synchronous rollers (353) both pass through the grinding box (351) and the grinding roller (352). One end of the two synchronous rollers (353) is sleeved with a synchronous gear (354), and the synchronous gears (354) are meshed with each other. The rotating cylinder (200) is provided with a grinding motor (355), and the output end of the grinding motor (355) is connected to one of the synchronous rollers (353).
3. The stirring structure for an injection molding machine according to claim 1, wherein: The rotating cylinder (200) is provided with three layers. The first layer is a rotatable inner cylinder (210), and a gear ring (220) is sleeved on the bottom of the inner cylinder (210). The second layer is a bearing sleeve (230) connected to the outer wall of the inner cylinder (210). The third layer is a heat-insulating outer layer (240) connected to the bearing sleeve (230).
4. The stirring structure for an injection molding machine according to claim 1, wherein: An auxiliary frame (400) is provided on the support (100), and a driving roller (410) is installed through the auxiliary frame (400). A driving gear (420) is sleeved on the driving roller (410), and the driving gear (420) is engaged with a gear ring (220) at the bottom of the inner cylinder (210). A rotating motor (430) is vertically provided on the auxiliary frame (400), and an output end of the rotating motor (430) is connected to one end of the driving roller (410).
5. The stirring structure for an injection molding machine according to claim 3, wherein: The inner bottom of the inner cylinder (210) is provided with guide plates in a circular array and tilted thereon, and the discharge port at the bottom of the rotating cylinder (200) is connected to an output pipe (250).