Discharging mechanism of double-colored plastic injection machine
By designing an automated unloading mechanism, the labor intensity and clamping instability issues of mold position switching in two-color injection molding machines were solved, achieving efficient automatic demolding and unloading, reducing production costs and improving product quality.
Patent Information
- Application Number
- CN202422797438.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-11-15
AI Technical Summary
Existing two-color or multi-color injection molding machines require manual rotation of the injection mold for position changes, resulting in high labor intensity for workers and unstable product clamping, which affects product quality and increases production costs.
Design a material unloading mechanism for a two-color injection molding machine, including a moving component, a clamping component, and an unloading component. The mechanism enables automatic demolding and unloading of products through automated clamping and flipping, reducing manual intervention.
It enables automatic demolding and unloading of injection molded parts, improving production efficiency, reducing production costs, and preventing product deformation.
Smart Images

Figure CN223532931U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection molding machine technology, and in particular to a feeding mechanism for a two-color injection molding machine. Background Technology
[0002] Two-color or multi-color injection molding machines produce injection molded products by mixing the same raw material to form two or more different colors. After the first injection is completed by the plasticizing injection device and the mold, the molding die can be rotated and repositioned to inject different colored molten materials into the same molding die in two or more batches, thus obtaining two-color or multi-color injection molded products.
[0003] Existing two-color or multi-color injection molding machines require manual rotation of the injection mold to change the mold position. On the one hand, this results in high labor intensity for workers, and on the other hand, manual operation for material feeding leads to unstable clamping force on the product, which can easily cause product deformation, resulting in a lower product pass rate and increased production costs. Utility Model Content
[0004] The main purpose of this utility model is to provide a feeding mechanism for a two-color injection molding machine to solve the above-mentioned technical problems, improve production efficiency, and reduce production costs.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A feeding mechanism for a two-color injection molding machine is used to remove and feed a product from an insert. It includes a moving component, a clamping component, and a feeding component. The clamping component and the feeding component are mounted on the moving component. The clamping component clamps the product. The moving component drives the clamping component to move relative to the feeding component to detach the product from the insert. The feeding component drives the product to flip over and feed it from the clamping component.
[0007] As a preferred technical solution, the moving component includes a base, a guide rail, and a moving cylinder. The unloading component is mounted on the base, and the moving cylinder and the guide rail are mounted on the base. The moving cylinder drives the clamping component to move along the guide rail.
[0008] As a preferred technical solution, the clamping assembly includes a clamping base, a movable clamping structure, a fixed clamping block, and a clamping drive unit. The clamping drive unit is mounted on the clamping base, the fixed clamping block is mounted on the clamping base, and the clamping drive unit drives the movable clamping structure to move relative to the fixed clamping block.
[0009] As a preferred technical solution, the movable clamping structure includes a movable clamping seat and a movable clamping block, wherein the movable clamping block is fixed to the movable clamping seat.
[0010] As a preferred technical solution, both the movable clamping block and the fixed clamping block are provided with contoured grooves, and the two contoured grooves are aligned with each other.
[0011] As a preferred technical solution, the clamping drive unit includes a clamping cylinder, a lead screw, a guide rod, a push rod, and a movable seat. The guide rod is fixed on the clamping base, and the movable seat moves along the guide rod. The movable seat is threadedly connected to the lead screw. One end of the push rod is fixed on the movable seat and passes through the clamping base. The movable clamping seat is fixed on the push rod. The clamping cylinder drives the lead screw to rotate, causing the movable seat to move along the guide rod, thereby causing the movable clamping block to move relative to the fixed clamping block.
[0012] As a preferred technical solution, the clamping assembly further includes a limiting rod, which is fixed to the end of the clamping base away from the clamping cylinder.
[0013] As a preferred technical solution, the feeding assembly includes a feeding bracket, a feeding drive unit, and a product insert. The feeding drive unit is mounted on the feeding bracket, the product insert is rotatably mounted on the feeding bracket, and the feeding drive unit drives the product insert to rotate.
[0014] As a preferred technical solution, the product insert includes a rotating rod, an insertion rod, and an insertion rod fixing seat. The rotating rod is rotatably mounted on the unloading bracket, the insertion rod fixing seat is installed on the rotating rod in an orderly manner, and the insertion rod is fixed on the insertion rod fixing seat.
[0015] As a preferred technical solution, the feeding drive unit includes a motor, a drive wheel, a driven wheel, and a belt. The motor is mounted on the feeding bracket, the driven wheel is fixed to the end of the rotating rod, the drive wheel is connected to the driven wheel through the belt, and the motor drives the drive wheel to rotate.
[0016] The beneficial effects of this utility model are as follows: After injection molding is completed, the insert rotates onto the clamping assembly. The clamping assembly drives the product to be clamped. The moving assembly drives the clamping assembly to move relative to the unloading assembly to remove the product from the insert and insert the product into the unloading assembly. The unloading assembly drives the product to flip from the clamping assembly and drop it into the collection box, thereby realizing automatic demolding and unloading of injection molded parts without manual demolding and unloading, improving production efficiency while reducing production costs. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of the two-color injection molding machine involved in this utility model;
[0018] Figure 2 This is a schematic diagram of the feeding mechanism and insert involved in this utility model;
[0019] Figure 3 This is a schematic diagram of the feeding mechanism involved in this utility model;
[0020] Figure 4 This is a top view of the clamping assembly involved in this utility model. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.
[0022] Please combine Figure 1 and Figure 2 As shown, a feeding mechanism of a two-color injection molding machine is used to remove and feed the product from the insert d. It includes a moving component 1, a clamping component 2, and a feeding component 3. The moving component 1 is mounted on the operating table a, and the clamping component 2 and the feeding component 3 are mounted on the moving component 1. The injection molding mechanism b injects the product into the mold c with the insert d. After the injection is completed, the insert d rotates to the clamping component 2. The clamping component 2 drives the product to be clamped. The moving component 1 drives the clamping component 2 to move relative to the feeding component 3 to remove the product from the insert d and insert the product into the feeding component 3. The feeding component 3 drives the product to flip over from the clamping component 2 and drop it into the collection box, thereby realizing automatic demolding and feeding of the injection molded parts without manual demolding and feeding, improving production efficiency and reducing production costs.
[0023] like Figure 3 As shown, the moving component 1 includes a base 11, a guide rail 12, and a moving cylinder 13. The unloading component 3 is mounted on the base 11. The moving cylinder 13 and the guide rail 12 are mounted on the base 11. The moving cylinder 13 drives the clamping component 2 to move along the guide rail 12, thereby causing the clamping component 2 to move relative to the unloading component 3, so that the product on the insert d is demolded and inserted into the unloading component 3.
[0024] Please combine Figure 3 and Figure 4As shown, the clamping assembly 2 includes a clamping base 21, a movable clamping structure 24, a fixed clamping block 23, a clamping drive unit 22, and a limiting rod 25. The clamping drive unit 22 is mounted on the clamping base 21, and the fixed clamping block 23 is mounted on the clamping base 21. The movable clamping structure 24 includes a movable clamping seat 241 and a movable clamping block 242. The movable clamping block 242 is fixed to the movable clamping seat 241. The clamping drive unit 22 drives the movable clamping seat 241 relative to the limit rod 25. The fixed clamping block 23 moves so that the movable clamping block 242 moves closer to or away from the fixed clamping block 23, thereby releasing or clamping the product. The movable clamping block 24 is provided with a first contoured groove 243, and the fixed clamping block 23 is provided with a second contoured groove 231. The first contoured groove 243 and the second contoured groove 231 are aligned with each other. When the movable clamping block 242 moves closer to the fixed clamping block 23, the space between the first contoured groove 243 and the second contoured groove 231 is formed. The gap shape matches the product to prevent product deformation under pressure during clamping. The clamping drive unit 22 includes a clamping cylinder 221, a lead screw 222, a guide rod 224, a push rod 225, and a movable seat 223. The guide rod 224 is fixed on the clamping base 21, and the movable seat 223 moves along the guide rod 224. The movable seat 223 is threadedly connected to the lead screw 222. One end of the push rod 225 is fixed on the movable seat 223, and the push rod 225 passes through the clamping base 21, moving the clamping seat. 241 is fixed on push rod 225. Clamping cylinder 221 drives lead screw 222 to rotate, which drives moving seat 223 to move along guide rod 224, so as to drive moving clamping block 242 to move relative to fixed clamping block 23, so as to clamp or release product. Limiting rod 25 is fixed at the end of clamping base 21 away from clamping cylinder 221, thereby limiting the moving distance of moving clamping seat 241 and preventing moving clamping seat 241 from moving beyond the set distance, causing product to be clamped and deformed.
[0025] Please continue to refer to this. Figure 4As shown, the unloading assembly 3 includes an unloading bracket 31, an unloading drive unit 32, and a product insert 33. The unloading drive unit 32 is mounted on the unloading bracket 31, and the product insert 33 is rotatably mounted on the unloading bracket 31. The product is inserted into the product insert 33, and the unloading drive unit 32 drives the product insert 33 to rotate, thereby causing the product to flip and unload. The product insert 33 includes a rotating rod 331, an insertion rod 333, and an insertion rod fixing seat 332. The rotating rod 331 is rotatably mounted on the unloading bracket 31, the insertion rod fixing seat 332 is installed in an orderly manner on the rotating rod 331, and the insertion rod 333 is fixed on the insertion rod fixing seat 332. The unloading drive unit 32 includes a motor 321, a drive wheel 322, a driven wheel 324, and a belt 323. The motor 321 is mounted on the unloading bracket 31. The driven wheel 324 is fixed to the end of the rotating rod 331. The drive wheel 322 is connected to the driven wheel 324 through the belt 323. The motor 321 drives the drive wheel 322 to rotate, and the belt 323 drives the driven wheel 324 to rotate, thereby driving the rotating rod 331 to rotate, thus driving the product to flip and unload.
[0026] The embodiments described above are merely preferred examples of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of this utility model should be included within the scope of this utility model patent application.
Claims
1. A feeding mechanism for a two-color injection molding machine, used to remove and feed products from inserts, characterized in that, It includes a moving component, a clamping component, and a feeding component. The clamping component and the feeding component are mounted on the moving component. The clamping component clamps the product. The moving component drives the clamping component to move relative to the feeding component to disengage the product from the insert. The feeding component drives the product to flip over and feed it from the clamping component.
2. The feeding mechanism of the two-color injection molding machine according to claim 1, characterized in that, The moving component includes a base, a guide rail, and a moving cylinder. The unloading component is mounted on the base, and the moving cylinder and the guide rail are mounted on the base. The moving cylinder drives the clamping component to move along the guide rail.
3. The feeding mechanism of the two-color injection molding machine according to claim 1, characterized in that, The clamping assembly includes a clamping base, a movable clamping structure, a fixed clamping block, and a clamping drive unit. The clamping drive unit is mounted on the clamping base, and the fixed clamping block is mounted on the clamping base. The clamping drive unit drives the movable clamping structure to move relative to the fixed clamping block.
4. The feeding mechanism of the two-color injection molding machine according to claim 3, characterized in that, The movable clamping structure includes a movable clamping seat and a movable clamping block, wherein the movable clamping block is fixed to the movable clamping seat.
5. The feeding mechanism of the two-color injection molding machine according to claim 4, characterized in that, Both the movable clamping block and the fixed clamping block are provided with contoured grooves, and the two contoured grooves are aligned with each other.
6. The feeding mechanism of the two-color injection molding machine according to claim 5, characterized in that, The clamping drive unit includes a clamping cylinder, a lead screw, a guide rod, a push rod, and a movable seat. The guide rod is fixed on the clamping base, and the movable seat moves along the guide rod. The movable seat is threadedly connected to the lead screw. One end of the push rod is fixed on the movable seat and passes through the clamping base. The movable clamping seat is fixed on the push rod. The clamping cylinder drives the lead screw to rotate, causing the movable seat to move along the guide rod, thereby causing the movable clamping block to move relative to the fixed clamping block.
7. The feeding mechanism of the two-color injection molding machine according to claim 6, characterized in that, The clamping assembly further includes a limiting rod, which is fixed to the end of the clamping base away from the clamping cylinder.
8. The feeding mechanism of the two-color injection molding machine according to claim 6, characterized in that, The feeding assembly includes a feeding bracket, a feeding drive unit, and a product insert. The feeding drive unit is mounted on the feeding bracket, and the product insert is rotatably mounted on the feeding bracket. The feeding drive unit drives the product insert to rotate.
9. The feeding mechanism of the two-color injection molding machine according to claim 8, characterized in that, The product insert includes a rotating rod, an insertion rod, and an insertion rod fixing seat. The rotating rod is rotatably mounted on the feeding bracket, the insertion rod fixing seat is installed on the rotating rod in an orderly manner, and the insertion rod is fixed on the insertion rod fixing seat.
10. The feeding mechanism of the two-color injection molding machine according to claim 9, characterized in that, The feeding drive unit includes a motor, a drive wheel, a driven wheel, and a belt. The motor is mounted on the feeding bracket, the driven wheel is fixed to the end of the rotating rod, the drive wheel is connected to the driven wheel through the belt, and the motor drives the drive wheel to rotate.