Injection mold

Abstract

The injection mold comprises a fixed mold body and a movable mold body, a fixed mold core and a movable mold core are arranged on the fixed mold body and the movable mold body correspondingly, main body mold cavities and main body mold cores are arranged on the fixed mold core and the movable mold core correspondingly, and the main body mold cavities and the main body mold cores correspond to one another; a part cavity is formed in the side face of the main body cavity and communicates with the main body cavity, a first insert pin is arranged on the movable mold core and corresponds to the part cavity, and the end of the first insert pin can be inserted into the part cavity. The main body mold cavity and the main body mold core are arranged on the fixed mold and the movable mold correspondingly, meanwhile, the part mold cavity is formed in the side face of the main body mold cavity and the side face of the main body mold core, injection molding machining can be conducted on a main body part and a part part at the same time, the production efficiency is improved, meanwhile, the number of molds can be reduced, and cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of molds, and in particular, to an injection mold. Background Art

[0002] A mold is a tool that is used in the plastic processing industry in conjunction with a plastic molding machine to endow plastic products with a complete configuration and precise dimensions. Among them, a plastic injection mold is the most commonly used molding mold in the production of thermoplastic plastic parts. The processing equipment corresponding to the injection mold is an injection molding machine. First, the plastic is heated and melted in the heating barrel at the bottom of the injection machine, and then under the push of the screw or plunger of the injection machine, it enters the mold cavity through the nozzle of the injection machine and the gating system of the mold. The plastic cools and hardens to form a shape, and the product is demolded.

[0003] At present, the injection molds are relatively mature, but the current injection molds on the market need to design separate molds for each component of some complete sets of products, resulting in low processing and forming efficiency and increased costs at the same time. Therefore, it is necessary to design an injection mold with high processing efficiency and cost savings. Utility Model Content

[0004] The present application provides an injection mold with high processing efficiency and cost savings.

[0005] The injection mold provided by the present application adopts the following technical solutions:

[0006] An injection mold includes a fixed mold and a movable mold. A fixed mold core and a movable mold core are respectively arranged on the fixed mold and the movable mold. A main cavity and a main core are respectively arranged on the fixed mold core and the movable mold core. There are multiple pairs of main cavities and main cores that correspond to each other. A part cavity is arranged on the side of the main cavity and the part cavity is communicated with the main cavity. A first insert pin is arranged on the movable mold core and the first insert pin corresponds to the part cavity, and the end of the first insert pin can be inserted into the part cavity.

[0007] Preferably, the main cavity includes a left cavity and a right cavity, the main core includes a left core and a right core, the left core and the right core respectively correspond to the left cavity and the right cavity, the part cavity is arranged between the left cavity and the right cavity, the part cavity is of a groove structure and the part cavity is communicated with the left cavity and the right cavity, and the first insert pin is arranged between the left core and the right core.

[0008] Preferably, the fixed mold includes a top plate and a mounting plate. The fixed mold core is arranged on the side of the mounting plate away from the top plate. A feed port is arranged on the top plate and the end of the feed port passes through the mounting plate and is connected to the fixed mold core. The feed port is located between the left cavity and the right cavity, and there are two part cavities and the two part cavities are respectively located on the upper and lower sides of the feed port.

[0009] Preferably, the end of the feed inlet is cylindrical and holes are provided on the side of this end. A flow splitting groove communicating with the feed inlet is provided on the fixed die core, and the flow splitting groove is connected to the main body cavity and the part cavity.

[0010] Preferably, fixing blocks are provided on both sides of the fixed die core. The positions of the fixing blocks correspond to the left cavity and the right cavity. Fixing rods are inserted through the fixing blocks. The fixing rods extend into the fixed die core and the ends of the fixing rods are connected to the moving die core.

[0011] Preferably, the fixing blocks include a first fixing block, a second fixing block and a third fixing block. The first fixing block is connected to the top plate. The second fixing block is located on the side of the mounting plate close to the fixed die core and on both sides of the fixed die core. The end of the first fixing block passes through the mounting plate and is clamped with the second fixing block. The third fixing block presses and fixes the second fixing block. The fixing rods are inserted through the second fixing block. The fixing rods can be inserted into the left cavity or the right cavity and the ends of the fixing rods are connected to the sides of the left core or the right core.

[0012] Preferably, the moving die includes a bottom plate, a fixing plate and a pressing plate. A groove is provided on the fixing plate, and the main body core is provided in the groove. The pressing plate can press and fix the main body core and holes corresponding to the left core and the right core are provided on the pressing plate. The first insert pins are embedded on the pressing plate.

[0013] Preferably, second insert pins are embedded on the main body core.

[0014] In summary, the present application includes at least one of the following beneficial technical effects:

[0015] 1. By respectively providing a main body cavity and a main body core on the fixed die and the moving die, and at the same time providing part cavities on the sides of the main body cavity and the main body core, the present application can perform injection molding processing on the main body part and the component parts simultaneously, improve production efficiency, and at the same time reduce the number of molds and lower costs.

[0016] 2. By dividing the main body cavity and the main body core into left and right parts and respectively arranging them on the left and right sides of the feed inlet, and at the same time arranging part cavities on the upper and lower sides of the feed inlet, combined with the holes and the flow splitting groove provided on the feed inlet, it is ensured that the molten plastic can enter multiple cavities, ensuring the injection molding quality.

[0017] 3. By arranging fixing blocks on both sides of the core of the fixed mold and providing fixing rods extending into the core of the fixed mold on the fixing blocks, it can be fixed through the cooperation among the first fixing block, the second fixing block and the third fixing block during installation, which is convenient for installation. At the same time, the end of the fixing rod is connected to the core of the moving mold. During injection molding, the molten plastic will bypass the fixing rod, and process holes will be formed at the position of the fixing rod in the finished product, ensuring the processing quality. At the same time, during demolding, the fixing rod can clamp the finished product on the fixed mold, facilitating the demolding of the finished product.

[0018] 4. By arranging a bottom plate, a fixing plate and a pressing plate on the moving mold, and simultaneously pressing and fixing the main core by the pressing plate, it is convenient for connection. At the same time, a first insert pin is embedded on the pressing plate, and a second insert pin is embedded on the main core, which not only facilitates installation but also ensures the quality of injection molding. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of the injection mold in the preferred embodiment of the present application.

[0020] Figure 2 It is a schematic structural diagram of the injection mold from another perspective in the preferred embodiment of the present application.

[0021] Figure 3 It is an exploded view of the fixed mold in the preferred embodiment of the present application.

[0022] Figure 4 It is an exploded view of the fixed mold from another perspective in the preferred embodiment of the present application.

[0023] Figure 5 It is a schematic structural diagram of the moving mold in the preferred embodiment of the present application.

[0024] Figure 6 It is a schematic sectional view of the injection mold in the preferred embodiment of the present application.

[0025] Figure 7 It is a schematic structural diagram of the finished product in the preferred embodiment of the present application.

[0026] Figure 8 It is a schematic structural diagram of the finished product from another perspective in the preferred embodiment of the present application.

[0027] Description of the Reference Numerals: 1, fixed mold; 101, top plate; 101a, feed inlet; 102, mounting plate; 2, moving mold; 201, bottom plate; 202, fixing plate; 203, pressing plate; 3, core of the fixed mold; 301, main cavity; 302, part cavity; 4, core of the moving mold; 401, main core; 401a, second insert pin; 402, first insert pin; 5, fixing block; 501, first fixing block; 502, second fixing block; 503, third fixing block; 6, fixing rod; 7, finished product. Detailed Description of the Invention

[0028] The present application will be further described in detail below with reference to the accompanying drawings.

[0029] An embodiment of the present application discloses an injection mold.

[0030] Referring to Figures 1 to 8 , an injection mold includes a fixed mold 1 and a movable mold 2. A fixed mold core 3 and a movable mold core 4 are respectively arranged on the fixed mold 1 and the movable mold 2. A main cavity 301 and a main core 401 are respectively arranged on the fixed mold core 3 and the movable mold core 4. There are multiple pairs of the main cavity 301 and the main core 401 and they correspond to each other. The main cavity 301 includes a left cavity and a right cavity. The main core 401 includes a left core and a right core. The left core and the right core respectively correspond to the left cavity and the right cavity. A part cavity 302 is arranged on the side of the main cavity 301 and the part cavity 302 is communicated with the main cavity 301. A first insert pin 402 is arranged on the movable mold core 4 and the first insert pin 402 corresponds to the part cavity 302. The end of the first insert pin 402 can be inserted into the part cavity 302. Specifically, a part cavity 302 is arranged between the left cavity and the right cavity. The part cavity 302 is of a groove structure and the part cavity 302 is communicated with the left cavity and the right cavity. A first insert pin 402 is arranged between the left core and the right core. The first insert pin 402 cooperates with the part cavity 302 to perform injection molding on the parts.

[0031] Referring to Figure 1 , Figure 2 and Figure 6 , the fixed mold 1 includes a top plate 101 and a mounting plate 102. A fixed mold core 3 is arranged on the side of the mounting plate 102 away from the top plate 101. A feed inlet 101a is arranged on the top plate 101 and the end of the feed inlet 101a passes through the mounting plate 102 and is connected to the fixed mold core 3. The feed inlet 101a is located between the left cavity and the right cavity. There are two part cavities 302 and the two part cavities 302 are respectively located on the upper and lower sides of the feed inlet 101a. The end of the feed inlet 101a is cylindrical and holes are arranged on the side of this end. A flow dividing groove communicated with the feed inlet 101a is arranged on the fixed mold core 3. The flow dividing groove is connected to the main cavity 301 and the part cavity 302.

[0032] Referring to Figure 3 and Figure 4, fixed blocks 5 are arranged on both sides of the fixed mold core 3. The positions of the fixed blocks 5 correspond to the left cavity and the right cavity. A fixed rod 6 is inserted through the fixed block 5. The fixed rod 6 extends into the fixed mold core 3 and the end of the fixed rod 6 is connected to the moving mold core 4. Specifically, the fixed block 5 includes a first fixed block 501, a second fixed block 502 and a third fixed block 503. The first fixed block 501 is connected to the top plate 101. The second fixed block 502 is located on the side of the mounting plate 102 close to the fixed mold core 3. The second fixed block 502 is located on both sides of the fixed mold core 3. The end of the first fixed block 501 passes through the mounting plate 102 and is snap-connected to the second fixed block 502. The third fixed block 503 presses and fixes the second fixed block 502. A fixed rod 6 is inserted through the second fixed block 502. The fixed rod 6 can be inserted into the left cavity or the right cavity and the end of the fixed rod 6 is connected to the side of the left core or the right core. Specifically, holes are provided on the fixed rod 6 in this actual example. Fixed pins are inserted through the holes. The fixed pins are inserted on the second fixed block 502. The first fixed block 501, the second fixed block 502, the third fixed block 503 and the fixed rod 6 are fixed to each other.

[0033] Refer to Figure 5 and Figure 6 , the moving mold 2 includes a bottom plate 201, a fixing plate 202 and a pressing plate 203. A groove is provided on the fixing plate 202. A main core 401 is provided in the groove. The pressing plate 203 can press and fix the main core 401 and holes corresponding to the left core and the right core are provided on the pressing plate 203. A first insert pin 402 is embedded on the pressing plate 203. A second insert pin 401a is embedded on the main core 401. Specifically, patterns are provided on both the second insert pin 401a and the first insert pin 402 in this actual example.

[0034] The implementation principle is as follows: When this application is in use, the molten plastic enters from the feed port 101a and enters between the main cavity 301 and the main core 401 and the part cavity 302 and the first insert pin 402 through the flow splitting groove, and can simultaneously perform injection molding on the finished product 7 and the components, reducing the mold cost and improving the processing efficiency; at the same time, a fixed rod 6 is provided on the side of the main cavity 301. The injection-molded finished product 7 can be hung on the fixed rod 6 to ensure the removal of the finished product 7 and facilitate use.

[0035] The above are all the preferred embodiments of this application. The protection scope of this application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of this application should be covered within the protection scope of this application.

Claims

1. An injection mold, characterized in that: The invention comprises a fixed mold (1) and a movable mold (2), wherein the fixed mold (1) and the movable mold (2) are respectively provided with a fixed mold core (3) and a movable mold core (4), wherein the fixed mold core (3) and the movable mold core (4) are respectively provided with a main body mold cavity (301) and a main body mold core (401), wherein the main body mold cavity (301) and the main body mold core (401) are in a plurality of pairs and correspond to each other, wherein a part mold cavity (302) is provided on the side of the main body mold cavity (301), and the part mold cavity (302) is connected to the main body mold cavity (301), and wherein a first inserting pin (402) is provided on the movable mold core (4), and the first inserting pin (402) corresponds to the part mold cavity (302), and the end of the first inserting pin (402) can be inserted into the part mold cavity (302).

2. An injection mold according to claim 1, characterized in that: The main body cavity (301) includes a left cavity and a right cavity, and the main body core (401) includes a left core and a right core, the left core and the right core correspond to the left cavity and the right cavity respectively, the part cavity (302) is arranged between the left cavity and the right cavity, the part cavity (302) is a groove structure and the part cavity (302) is connected with the left cavity and the right cavity, and the first inlay pin (402) is arranged between the left core and the right core.

3. An injection mold according to claim 2, characterized in that: The fixed mold (1) comprises a top plate (101) and a mounting plate (102); the fixed mold core (3) is arranged on a side of the mounting plate (102) away from the top plate (101); a feed port (101a) is arranged on the top plate (101), and an end of the feed port (101a) passes through the mounting plate (102) and is connected to the fixed mold core (3); the feed port (101a) is located between the left mold cavity and the right mold cavity; there are two part mold cavities (302), and the two part mold cavities (302) are respectively located on the upper and lower sides of the feed port (101a).

4. An injection mold according to claim 3, characterized in that: The end of the feed port (101a) is cylindrical and a hole is provided on the side of the end, and the fixed mold core (3) is provided with a diverter groove connected to the feed port (101a), and the diverter groove is connected to the main body cavity (301) and the part cavity (302).

5. The injection mold according to claim 3, characterized in that: Fixed blocks (5) are arranged on both sides of the fixed mold core (3), and the positions of the fixed blocks (5) correspond to the left mold cavity and the right mold cavity. A fixed rod (6) is passed through the fixed blocks (5), and the fixed rod (6) extends into the fixed mold core (3) and the end of the fixed rod (6) is connected to the movable mold core (4).

6. An injection mold according to claim 5, characterized in that: The fixing block (5) comprises a first fixing block (501), a second fixing block (502) and a third fixing block (503); the first fixing block (501) is connected to the top plate (101); the second fixing block (502) is located on a side of the mounting plate (102) close to the fixed mold core (3); the second fixing block (502) is located on both sides of the fixed mold core (3); the end of the first fixing block (501) passes through the mounting plate (102) and is clamped with the second fixing block (502); the third fixing block (503) presses and fixes the second fixing block (502); the fixing rod (6) is passed through the second fixing block (502); the fixing rod (6) can be inserted into the left mold cavity or the right mold cavity and the end of the fixing rod (6) is connected to the side of the left mold core or the right mold core.

7. An injection mold according to claim 2, characterized in that: The movable mold (2) comprises a bottom plate (201), a fixed plate (202) and a clamping plate (203); the fixed plate (202) is provided with a groove, the main body core (401) is arranged in the groove, the clamping plate (203) can clamp and fix the main body core (401) and the clamping plate (203) is provided with holes corresponding to the left core and the right core; the first inlay pin (402) is embedded in the clamping plate (203).

8. The injection mold according to claim 1, characterized in that: The main body core (401) is embedded with a second inlay pin (401a).

Images