Double-color mold structure

Abstract

The utility model discloses a double-color mold structure which comprises left molds, the left molds are respectively arranged on a rotary table, right molds are correspondingly arranged on the right sides of the left molds, injection nozzles are inserted into the right molds, ejector pins are inserted into the left molds, an operation table is arranged below the left molds and the right molds, and the operation table is arranged below the left molds and the right molds. Fixing boxes are arranged in the positions, below the left mold and the right mold, of the operation table correspondingly, and electric push rods are arranged in the fixing boxes correspondingly. A supporting plate of the double-color mold structure forms a supporting structure through a telescopic arm, a concave connecting block and a fixing block under the action of an electric push rod, so that the stability of a mold assembly is improved through the liftable supporting plate, meanwhile, the supporting plate is prevented from influencing rotation of a mold through the electric push rod, and a fixing plate of the device is of an arc-shaped structure; and the fixing plate and the left mold form a spiral locking structure through a bolt, so that the first brush and the scraper assembly can be conveniently and spirally mounted through the bolt, and impurities on the surface of the ejector pin can be timely cleaned in the working process of the ejector pin.

Description

Technical Field

[0001] This utility model relates to the field of two-color mold technology, specifically a two-color mold structure. Background Technology

[0002] Two-color molds are used to mold two different plastic materials on the same injection molding machine, forming the product in two stages, but the product only exits the mold once. They are widely used in almost all plastic industries, including electronics, power tools, medical products, home appliances, and toys. To produce products with more attractive appearances and a wider variety of colors, and to increase the consistency of their quality, two-color molds are used to produce various products.

[0003] Two-color molds involve injecting two different plastic materials sequentially into the mold to create a two-color product. However, existing two-color molds suffer from drawbacks: it is inconvenient to clean and lubricate the ejector pins promptly, and the mold's instability is easily compromised when rotated or moved while suspended in the air. Therefore, a new two-color mold structure is proposed to address these issues. Utility Model Content

[0004] The purpose of this utility model is to provide a two-color mold structure to solve the problems mentioned in the background art, such as the inconvenience of timely cleaning and lubrication of the ejector pins in the use of existing two-color molds, and the low stability caused by the mold being suspended in the air for rotation and movement.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a two-color mold structure, including a left mold, which is respectively disposed on a turntable, and a right mold is correspondingly disposed on the right side of the left mold. A nozzle is inserted through the right mold, and an ejector pin is inserted through the left mold. An operating table is provided below the left mold and the right mold. A fixing box is provided in the operating table below the left mold and the right mold, and an electric push rod is provided in the fixing box. A telescopic arm is provided above the electric push rod, and a concave connecting block is provided at the upper end of the telescopic arm. A support plate is provided at the upper end of the concave connecting block. Fixing blocks are provided above and below the left mold and below the right mold, and the support plate is inserted into the fixing block. Multiple sets of rollers are provided on the fixing box below the right mold, and a corresponding sliding groove is opened on the operating table.

[0006] The ejector pin is provided with fixing plates at the top and bottom, and the fixing plates are provided with first brushes on the inner side. Multiple sets of bolts are inserted through the fixing plates, and the other ends of the bolts are screwed into the left mold. The fixing plates are provided with connecting plates on the outer wall, and the connecting plates are provided with scrapers on the inner side.

[0007] The connecting plate has a sliding groove on its inner wall at the left end, and a sliding rod is inserted in the sliding groove. The sliding rod is equipped with a fixing cover, and the upper fixing cover is equipped with multiple sets of locking rods. The lower fixing cover is equipped with a corresponding locking groove, and the locking rod is inserted into the locking groove. The fixing cover is equipped with a spiral tube, and a feed tube is spirally inserted in the spiral tube. The other end of the spiral tube is connected to a nozzle inside the fixing cover, and a second brush is provided on the inner wall of the fixing cover.

[0008] Preferably, the support plate, under the action of the electric push rod, forms a support structure through the telescopic arm, the concave connecting block and the fixing block.

[0009] Preferably, the fixing plate has an arc-shaped structure, and the fixing plate is connected to the left mold by bolts to form a spiral locking structure.

[0010] Preferably, the connecting plate and the fixing cover are both arc-shaped structures, and the nozzle is connected to the feed pipe through a spiral tube.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: The support plate of the dual-color mold structure, under the action of the electric push rod, forms a support structure through the telescopic arm, concave connecting block and fixing block, thereby increasing the stability of the mold assembly through the liftable support plate. At the same time, the electric push rod prevents the support plate from affecting the rotation of the mold. The fixing plate of the device has an arc-shaped structure, and the fixing plate forms a spiral locking structure with the left mold through bolts. Thus, the bolts facilitate the spiral installation of the first brush and scraper assembly, so that the surface impurities can be cleaned in time during the operation of the ejector pin. The connecting plate and fixing cover of the device are both arc-shaped structures, and the nozzle forms a communication structure with the feed pipe through the spiral tube, so that the lubricating oil can be injected into the fixing cover through the nozzle. At the same time, the rotating fixing cover assembly facilitates the application of lubricating oil. Attached Figure Description

[0012] Figure 1 This is a structural schematic diagram of a two-color mold structure according to the present invention;

[0013] Figure 2 This is a side view of a two-color mold structure according to the present invention.

[0014] Figure 3 This is a schematic diagram of the first brush assembly of a two-color mold structure according to the present invention;

[0015] Figure 4 This is a schematic diagram of the internal component structure of a two-color mold structure connecting plate according to this utility model.

[0016] In the diagram: 1. Left mold, 2. Right mold, 3. Turntable, 4. Nozzle, 5. Ejector pin, 6. Operating table, 7. Electric push rod, 8. Telescopic arm, 9. Support plate, 10. Roller, 11. Fixing plate, 12. First brush, 13. Bolt, 14. Connecting plate, 15. Scraper, 16. Fixing cover, 17. Feed pipe, 18. Nozzle, 19. Second brush, 20. Slide bar. Detailed Implementation

[0017] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-4 This utility model provides a technical solution: a two-color mold structure, including a left mold 1, which is respectively set on a turntable 3, and a right mold 2 is correspondingly set on the right side of the left mold 1. A nozzle 4 is inserted through the right mold 2, and an ejector pin 5 is inserted through the left mold 1. An operating table 6 is set below the left mold 1 and the right mold 2. A fixing box is set in the operating table 6 below the left mold 1 and the right mold 2, and an electric push rod 7 is set in the fixing box. A telescopic arm 8 is set above the electric push rod 7, and a concave connecting block is set at the upper end of the telescopic arm 8. A support plate 9 is set at the upper end of the concave connecting block. Fixing blocks are set above and below the left mold 1 and below the right mold 2, and the support plate 9 is inserted into the fixing blocks. Multiple sets of rollers 10 are set on the fixing box below the right mold 2, and a corresponding sliding groove is opened on the operating table 6.

[0019] Furthermore, under the action of the electric push rod 7, the support plate 9 forms a support structure through the telescopic arm 8, the concave connecting block and the fixing block. Thus, the stability of the two-color mold during use can be increased by the support plate 9 assembly, and at the same time, under the action of the electric push rod 7, the support plate 9 assembly is prevented from affecting the movement of the two sets of molds.

[0020] The ejector pin 4 is provided with fixing plates 11 at the top and bottom, and the fixing plates 11 are provided with first brushes 12 on the inner side. Multiple sets of bolts 13 are inserted on the fixing plates 11, and the other end of the bolts 13 are screwed into the left mold 1. The fixing plates 11 are provided with connecting plates 14 on the outer wall, and the connecting plates 14 are provided with scrapers 15 on the inner side.

[0021] Furthermore, the fixing plate 11 has an arc-shaped structure, and the fixing plate 11 is connected to the left mold 1 by bolts 13 to form a spiral locking structure, so that the fixing plate 11 installed by the spiral can facilitate timely cleaning of the ejector pin 5.

[0022] The connecting plate 14 has a groove on its inner wall at the left end, and a sliding rod 20 is inserted in the groove. A fixing cover 16 is provided on the sliding rod 20. The upper fixing cover 16 has multiple sets of locking rods, and the lower fixing cover 16 has corresponding locking grooves. The locking rods are inserted into the locking grooves. The fixing cover 16 has a spiral tube, and a feed tube 17 is spirally wound inside the spiral tube. The other end of the spiral tube is connected to a nozzle 18 inside the fixing cover 16. The fixing cover 16 has a second brush 19 on its inner wall. It should be noted that the second brush 19 is made of silicone, which facilitates the application of lubricating oil.

[0023] Furthermore, both the connecting plate 14 and the fixing cover 16 are arc-shaped structures, and the nozzle 18 is connected to the feed pipe 17 through a spiral tube, thereby ensuring that the nozzle 18 can spray lubricating oil through the spirally installed feed pipe 17, and at the same time, the rotating second brush 19 can ensure that the lubricating oil can be evenly applied to the ejector pin 5.

[0024] Working Principle: Using a two-color mold structure, plastic material is first injected into the mold slots of the left mold 1 and right mold 2 through the injection nozzle 4, allowing the plastic material to form within the mold slots. After the plastic material injection is complete, the left mold 1 can be rotated and replaced via the turntable 3 to perform two-color injection into the left mold 1 and right mold 2. Simultaneously, the electric push rod 7 can be activated. The electric push rod 7 drives the support plate 9 to rise and fall via the telescopic arm 8, thereby supporting the left mold 1 and right mold 2 through the support plate 9 inserted within the fixed block. Meanwhile, the electric push rod 7 below the right mold 2 can move synchronously with the right mold 2 via rollers 10, increasing the stability of the device through the support plate 9 while avoiding interference with the left mold 1. Rotation and movement of the right mold; During the use of the two-color mold, the fixing plate 11 can be screwed onto the left mold 1 by bolt 13 so that the ejector pin 5 can be cleaned in time by the first brush 12. At the same time, the scraper 15 can be used to clean the waste material remaining on the ejector pin 5 so as to ensure the working effect of the ejector pin 5. Meanwhile, the fixing cover 16 is assembled by locking rod. If the ejector pin 5 is used for a long time, the feed pipe 17 can be screwed onto the spiral tube so that the lubricating oil can be sprayed onto the surface of the ejector pin 5 by the nozzle 18. Then the shell can be driven by the slide rod 20 to rotate the fixing cover 16 so that the lubricating oil can be evenly applied by the second brush 19 inside the fixing cover 16. This is the usage process of the two-color mold structure.

[0025] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A two-color mold structure, comprising a left mold (1), wherein the left mold (1) is respectively disposed on a turntable (3), and a right mold (2) is correspondingly disposed on the right side of the left mold (1), wherein a nozzle (4) is inserted through the right mold (2), and an ejector pin (5) is inserted through the left mold (1), and an operating table (6) is provided below the left mold (1) and the right mold (2), characterized in that: The left mold (1) and the right mold (2) are respectively provided with fixed boxes in the operating table (6) below, and electric push rods (7) are respectively provided in the fixed boxes. The electric push rods (7) are provided with telescopic arms (8) above, and the telescopic arms (8) are provided with concave connecting blocks at the upper end, and the concave connecting blocks are provided with support plates (9) at the upper end. Fixed blocks are provided above and below the left mold (1) and below the right mold (2), and support plates (9) are respectively inserted into the fixed blocks. The fixed box below the right mold (2) is provided with multiple sets of rollers (10), and the operating table (6) is provided with corresponding sliding grooves. The ejector pin (5) is provided with fixing plates (11) on the upper and lower sides respectively, and the fixing plates (11) are provided with first brushes (12) on the inner side respectively. Multiple sets of bolts (13) are inserted on the fixing plates (11), and the other end of the bolts (13) are respectively spiraled into the left mold (1). The fixing plates (11) are provided with connecting plates (14) on the outer wall, and the connecting plates (14) are provided with scrapers (15) on the inner side. The connecting plate (14) has a sliding groove on its inner wall at the left end, and a sliding rod (20) is inserted in the sliding groove. A fixing cover (16) is provided on the sliding rod (20), and multiple sets of locking rods are provided on the upper fixing cover (16), and a corresponding locking groove is provided on the lower fixing cover (16). The locking rod is inserted in the locking groove. A spiral tube is provided on the fixing cover (16), and a feed tube (17) is spiraled inside the spiral tube. The other end of the spiral tube is connected to a nozzle (18) inside the fixing cover (16), and a second brush (19) is provided on the inner wall of the fixing cover (16).

2. The two-color mold structure according to claim 1, characterized in that: The support plate (9) forms a support structure through the telescopic arm (8), concave connecting block and fixed block under the action of electric push rod (7).

3. The two-color mold structure according to claim 1, characterized in that: The fixing plate (11) has an arc-shaped structure, and the fixing plate (11) and the left mold (1) form a spiral locking structure through bolts (13).

4. The two-color mold structure according to claim 1, characterized in that: The connecting plate (14) and the fixing cover (16) are both arc-shaped structures, and the nozzle (18) is connected to the feed pipe (17) through the spiral tube.

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