Waterfall type distribution multi-cavity injection mold

Abstract

The utility model discloses a waterfall type distribution multi-cavity injection mold which comprises a bottom plate, a mold frame and a driving motor, the mold frame is fixed above the bottom plate, a top plate is fixed at the top of the mold frame, cavities are uniformly formed in the surface of the mold frame, partition plates are fixed in the cavities, a sealing frame is arranged on the outer side of the mold frame, and the driving motor is arranged in the sealing frame. A driving motor is fixed to the middle of the upper portion of the top plate, a connecting shaft is fixed to the output end of the driving motor, a feeding ring is fixed to the upper portion of the top plate, a material supplementing pipe is arranged on one side of the feeding ring in a communicating mode, and discharging holes in one-to-one correspondence with the cavities are formed in the lower portion of the feeding ring in a communicating mode; and cooling assemblies are mounted on the bottom plate, the top plate and the mold frame. According to the waterfall type distribution multi-cavity injection mold, cooling water can be conveniently added into a product in the cavity for cooling through the use of the cooling assembly on the device, so that the product can be quickly formed, and the processing effect of the product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to injection molds, in particular to a waterfall-type distributed multi-cavity injection mold. Background Art

[0002] With the development of injection molds, people have higher and higher requirements on the number and size of mold cavities. For example, in injection molding products such as racks, in order to improve the production efficiency of the products, multi-cavity injection molds are used;

[0003] The existing publication number CN220261798U discloses a high-density 360° waterfall-type multi-cavity injection mold, which solves the problem of large mold size and increased cost in the traditional mold plane layout mode for producing micro-sized products with a large number of cavities. The mold comprises a rear code template, a driving component is embedded in the lower end of the rear code template, a rear mold base plate is installed on the upper end of the rear code template, a core barrel is embedded in the rear mold base plate, a T-shaped guide sleeve is embedded in the lower part of the core barrel, and a tower-shaped lateral ejector rod that moves back and forth is movably provided inside the T-shaped guide sleeve;

[0004] The above document adopts a tower-shaped lateral ejector rod structure with circular cavity reciprocating motion. The product layout changes the traditional planar layout. At the same time, the product is arranged in three dimensions, so that the mold space of the three-dimensional space in the length, width and height directions of the injection molding machine is maximized.

[0005] However, the ejection structure of the product in the above document is complex, the manufacturing cost is high, and the molding rate after the product is injected is slow, which affects the processing efficiency of the product. Therefore, we propose a waterfall-type distributed multi-cavity injection mold to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a waterfall-type distributed multi-cavity injection mold to solve the problems raised by the above-mentioned background technology.

[0007] To achieve the above purpose, the utility model provides the following technical solutions: a waterfall-type multi-cavity injection mold, including a bottom plate, a mold frame and a driving motor, a mold frame is fixed on the top of the bottom plate, and a top plate is fixed on the top of the mold frame, the surface of the mold frame is evenly provided with cavities, and a partition is fixed inside the cavity, a sealing frame is arranged on the outside of the mold frame, a driving motor is fixed on the middle part of the top plate, and a connecting shaft is fixed on the output end of the driving motor, a fixing ring is evenly fixed on the surface of the connecting shaft, and a scraper block is evenly fixed on the surface of the fixing ring, a mounting ring is rotatably connected to the surface of the connecting shaft, and the surface of the mounting ring is connected to the ejection block through a spring, a feeding ring is fixed on the top of the top plate, and a feeding pipe is connected to one side of the feeding ring, and a discharge hole corresponding to the cavity is connected to the bottom of the feeding ring. A cooling assembly is installed on the bottom plate, the top plate and the mold frame.

[0008] Preferably, the sealing frame is composed of an outer protective frame, a rotating rod, slots and fastening bolts, a rotating rod is fixed at the bottom of the outer protective frame, and the surface of the outer protective frame is evenly provided with slots arranged in a one-to-one correspondence with the cavity, and the bottom of the outer protective frame is threadedly connected with fastening bolts.

[0009] The above technical solution facilitates the combination of the sealing frame and the mold frame so that the sealing frame can seal the surface cavity of the mold frame to facilitate mold closing of the device.

[0010] Preferably, the inner diameter of the outer protective frame matches the outer diameter of the mold frame, and the outer protective frame and the mold frame are connected in a rotational manner, and the lower part of the outer protective frame is fixedly connected to the mold frame by fastening bolts.

[0011] By adopting the above technical solution, the outer protective frame and the mold frame can be fixed by using fastening bolts, and the outer protective frame can be easily rotated on the mold frame.

[0012] Preferably, the scraper block is arranged in an inclined shape, and the scraper block and the lifting block are arranged in a staggered manner.

[0013] By adopting the above technical solution, the inclined scraper block can be used to facilitate the rotation of the scraper block on the surface of the fixed ring to extrude the top material block when the connecting shaft rotates.

[0014] Preferably, the top material block is arranged in a "T" shape, and the top material block is slidably connected to the surface of the mold frame, two groups of springs are arranged on the surface of the top material block, and the top material block and the partition are staggered.

[0015] The above technical solution facilitates the ejection of the formed product by the ejection block. At the same time, when the scraper block is offset from the ejection block, the spring acts to reset the ejection block.

[0016] Preferably, the cooling assembly includes a water inlet pipe, which is arranged on the side of the top plate, and an upper water guiding cavity connected to the water inlet pipe is opened inside the top plate, an upper drainage hole located on the lower surface of the top plate is opened below the upper water guiding cavity, and a cooling cavity is opened on the surface of the mold frame which is staggered with the mold cavity.

[0017] By adopting the above technical solution, the water inlet pipe can be used in conjunction with the upper water guide cavity so that cooling water can enter the cooling cavity through the upper drainage hole to quickly cool the product inside the cavity on the surface of the mold frame.

[0018] Preferably, a lower drainage hole is provided on the surface of the bottom plate below the cooling cavity, a lower water guide cavity connected to the lower drainage hole is provided inside the bottom plate, and a water outlet pipe is connected to the side of the bottom plate.

[0019] By adopting the above technical solution, the cooling water can be discharged after cooling through the lower drainage hole and the lower water guide cavity in conjunction with the use of the water outlet pipe.

[0020] Compared with the prior art, the utility model has the following beneficial effects: the waterfall-type distributed multi-cavity injection mold,

[0021] (1) The scraper block on the surface of the fixed ring on the connecting shaft can be driven by a driving motor to rotate, so that the scraper block squeezes the ejection block, so that the ejection block moves outward in the cavity on the surface of the mold frame, thereby facilitating the ejection of the product. The structure is simple, the manufacturing cost is low, and the ejection effect is good;

[0022] (2) By using the cooling assembly on the device, it is convenient to add cooling water to cool the product inside the cavity, so as to quickly form the product and improve the processing effect of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the top plate structure of the utility model when viewed from above;

[0025] Figure 3 This is a schematic diagram of the connection structure between the connecting shaft and the fixing ring of the utility model;

[0026] Figure 4 This is a schematic diagram of the top cross-sectional structure of the utility model;

[0027] Figure 5 This is a schematic diagram of the front cross-sectional structure of the top material block of the utility model;

[0028] Figure 6 This is a schematic diagram of the structure of the lower water guide chamber of the utility model when viewed from above;

[0029] Figure 7 This is a schematic diagram of the connection structure between the scraper block and the top material block of the utility model;

[0030] Figure 8 This is a schematic diagram of the sealing frame structure of the utility model;

[0031] Fig. 9 It is a schematic diagram of the rotary sealing structure of the sealing frame and the mold frame of the utility model.

[0032] In the figure: 1. bottom plate; 2. top plate; 3. mold frame; 4. sealing frame; 401. outer protective frame; 402. rotating rod; 403. slotting; 404. fastening bolts; 5. driving motor; 6. connecting shaft; 7. fixing ring; 8. scraper block; 9. mounting ring; 10. ejecting block; 11. spring; 12. feeding ring; 13. feeding pipe; 14. discharge hole; 15. cavity; 16. partition; 17. cooling assembly; 1701. water inlet pipe; 1702. upper water guide cavity; 1703. upper drainage hole; 1704. cooling cavity; 1705. lower drainage hole; 1706. lower water guide cavity; 1707. water outlet pipe. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] See also Figure 1-9The utility model provides a technical solution: a waterfall-type multi-cavity injection mold, comprising a bottom plate 1, a mold frame 3 and a driving motor 5, the mold frame 3 is fixed above the bottom plate 1, and the top plate 2 is fixed on the top of the mold frame 3, the surface of the mold frame 3 is evenly provided with cavities 15, and the interior of the cavity 15 is fixed with a partition 16, the outside of the mold frame 3 is provided with a sealing frame 4, the sealing frame 4 is composed of an outer protective frame 401, a rotating rod 402, a slot 403 and a fastening bolt 404, the lower part of the outer protective frame 401 is fixed with a rotating rod 402, and the surface of the outer protective frame 401 is evenly provided with cavities 15 corresponding to each other. The outer protective frame 401 has a slot 403, and a fastening bolt 404 is threadedly connected at the bottom of the outer protective frame 401, which facilitates the combination of the sealing frame 4 and the mold frame 3, so that the sealing frame 4 can seal the surface cavity 15 of the mold frame 3, so that the device can be molded. The inner diameter of the outer protective frame 401 is consistent with the outer diameter of the mold frame 3, and the connection mode of the outer protective frame 401 and the mold frame 3 is a rotation connection. The bottom of the outer protective frame 401 is fixedly connected with the mold frame 3 by the fastening bolt 404, and the outer protective frame 401 can be fixed to the mold frame 3 by using the fastening bolt 404, and the outer protective frame 401 can be rotated on the mold frame 3.

[0035] See also Figure 1-9 , a driving motor 5 is fixed to the middle part of the upper part of the top plate 2, and a connecting shaft 6 is fixed to the output end of the driving motor 5, a fixing ring 7 is evenly fixed to the surface of the connecting shaft 6, and a scraper block 8 is evenly fixed to the surface of the fixing ring 7, the scraper block 8 is arranged in an inclined shape, and the scraper block 8 and the top material block 10 are staggered. The use of the inclined scraper block 8 can facilitate the connection shaft 6 to rotate so that the scraper block 8 on the surface of the fixing ring 7 rotates to extrude the top material block 10, the surface of the connecting shaft 6 is rotatably connected with a mounting ring 9, and the surface of the mounting ring 9 is connected to the top material block 10 through a spring 11, the top material block 10 is arranged in a "T" shape, and the top material block 10 is slidably connected to the surface of the mold frame 3, and two groups of springs 11 are arranged on the surface of the top material block 10, and the top material block 10 and the partition 16 are staggered, so that the top material block 10 can eject the molded product. At the same time, when the scraper block 8 staggers the top material block 10, the reset function of the spring 11 is cooperated to reset the top material block 10;

[0036] See also Figure 1-9A feed ring 12 is fixed on the top plate 2, and a feeding pipe 13 is connected to one side of the feed ring 12, and a discharge hole 14 corresponding to the cavity 15 is connected to the bottom of the feed ring 12. A cooling assembly 17 is installed on the bottom plate 1, the top plate 2 and the mold frame 3. The cooling assembly 17 includes a water inlet pipe 1701, which is arranged on the side of the top plate 2. An upper water guide cavity 1702 connected to the water inlet pipe 1701 is provided inside the top plate 2, and an upper drainage hole 1703 located on the lower surface of the top plate 2 is provided below the upper water guide cavity 1702. A cooling cavity 1704 staggered with the cavity 15 is provided on the surface of the mold frame 3, which can be used in conjunction with the upper water guide cavity 1702 through the water inlet pipe 1701 so as to The cooling water enters the cooling chamber 1704 through the upper drainage hole 1703 to quickly cool the product inside the cavity 15 on the surface of the mold frame 3. A lower drainage hole 1705 is provided below the cooling chamber 1704 and is located on the surface of the bottom plate 1. A lower water guide chamber 1706 connected to the lower drainage hole 1705 is provided inside the bottom plate 1. An outlet pipe 1707 is connected to the side of the bottom plate 1, and the outlet pipe 1707 can be used in conjunction with the lower drainage hole 1705 and the lower water guide chamber 1706 to discharge the cooling water after cooling.

[0037] Working principle: First, during injection molding, the injection material can be injected into the feeding pipe 13 so that the slurry can be discharged into the cavity 15 on the surface of the mold frame 3 through the feeding ring 12 and the discharge hole 14 below. After injection, cooling water can be injected into the water inlet pipe 1701 on the cooling component 17 so that the cooling water can enter the cooling cavity 1704 through the upper drainage hole 1703 on the lower surface of the upper water guide cavity 1702, so that the cooling water in the cooling cavity 1704 can cool the product in the cavity 15 inside the mold frame 3. The cooling cavity 1704 and the cavity 15 are staggered, which can improve the cooling effect of the device. After cooling, it can be discharged into the lower water guide cavity 1706 through the lower drainage hole 1705 on the upper surface of the bottom plate 1, so that the cooling water can be discharged from the water outlet pipe 1707 on the side of the bottom plate 1;

[0038] After the product is formed, the fastening bolts 404 at the bottom of the sealing frame 4 can be rotated so that the fastening bolts 404 are separated from the mold frame 3, and then the rotating rod 402 on the surface of the outer protective frame 401 is rotated so that the grooves 403 on the surface of the outer protective frame 401 correspond to the cavity 15 on the surface of the mold frame 3, and then the driving motor 5 is turned on so that the driving motor 5 drives the connecting shaft 6 to rotate. When the connecting shaft 6 rotates, the scraper block 8 will be driven to rotate through the fixing ring 7. The scraper block 8 is arranged in an inclined shape and can squeeze the ejecting block 10 during rotation, so that the ejecting block 10 extends outward from the surface of the mold frame 3 so that the ejecting block 10 ejects the product. The ejecting block 10 and the internal partition 16 of the cavity 15 are arranged one by one in an offset manner, which can improve the ejecting effect of the device. The inner end of the ejecting block 10 is fixedly connected with the mounting ring 9 through the spring 11, which is convenient for resetting by the spring 11 so that the ejecting block 10 is reset when it is extended. This is the use principle of the waterfall-type distributed multi-cavity injection mold.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A waterfall-type distributed multi-cavity injection mold, comprising a base plate (1), a mold frame (3) and a drive motor (5), characterized in that: A mold frame (3) is fixed above the bottom plate (1), and a top plate (2) is fixed on the top of the mold frame (3); a mold cavity (15) is evenly opened on the surface of the mold frame (3), and a partition (16) is fixed inside the mold cavity (15); a sealing frame (4) is arranged on the outside of the mold frame (3); a driving motor (5) is fixed in the middle of the top plate (2), and a connecting shaft (6) is fixed to the output end of the driving motor (5); a fixing ring (7) is evenly fixed on the surface of the connecting shaft (6), and the surface of the fixing ring (7) is A scraper block (8) is evenly fixed, a mounting ring (9) is rotatably connected to the surface of the connecting shaft (6), and the surface of the mounting ring (9) is connected to the ejecting block (10) via a spring (11), a feed ring (12) is fixed above the ejecting plate (2), and a feeding pipe (13) is connected to one side of the feed ring (12), and a discharge hole (14) corresponding to the mold cavity (15) is connected to the lower side of the feed ring (12), and a cooling assembly (17) is installed on the bottom plate (1), the top plate (2) and the mold frame (3).

2. The waterfall-type multi-cavity injection mold according to claim 1, characterized in that: The sealing frame (4) is composed of an outer protective frame (401), a rotating rod (402), a slot (403) and a fastening bolt (404); the rotating rod (402) is fixed below the outer protective frame (401); the surface of the outer protective frame (401) is evenly provided with slots (403) arranged in a one-to-one correspondence with the mold cavity (15); and the fastening bolt (404) is threadedly connected below the outer protective frame (401).

3. The waterfall-type multi-cavity injection mold according to claim 2, characterized in that: The inner diameter of the outer protective frame (401) matches the outer diameter of the mold frame (3), and the outer protective frame (401) and the mold frame (3) are connected in a rotating manner. The lower part of the outer protective frame (401) is fixedly connected to the mold frame (3) by fastening bolts (404).

4. The waterfall-type multi-cavity injection mold according to claim 1, characterized in that: The scraper block (8) is arranged in an inclined shape, and the scraper block (8) and the lifting block (10) are arranged in a staggered manner.

5. The waterfall-type multi-cavity injection mold according to claim 1, characterized in that: The top material block (10) is arranged in a "T" shape, and the top material block (10) is slidably connected to the surface of the mold frame (3). Two groups of springs (11) are arranged on the surface of the top material block (10), and the top material block (10) and the partition plate (16) are arranged in a staggered manner.

6. The waterfall-type multi-cavity injection mold according to claim 1, characterized in that: The cooling assembly (17) comprises a water inlet pipe (1701), wherein the water inlet pipe (1701) is arranged on the side of the top plate (2), an upper water guide cavity (1702) connected to the water inlet pipe (1701) is provided inside the top plate (2), an upper drainage hole (1703) located on the lower surface of the top plate (2) is provided below the upper water guide cavity (1702), and a cooling cavity (1704) staggered with the cavity (15) is provided on the surface of the mold frame (3).

7. The waterfall-type multi-cavity injection mold according to claim 6, characterized in that: A lower drainage hole (1705) is provided below the cooling cavity (1704) and is located on the surface of the bottom plate (1). A lower water guide cavity (1706) connected to the lower drainage hole (1705) is provided inside the bottom plate (1). A water outlet pipe (1707) is connected to the side of the bottom plate (1).

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