Injection mold with ejection mechanism

Abstract

The injection mold with the ejection mechanism comprises a base, a fixing plate is fixedly installed in the base, two sliding grooves are formed in one side of the exterior of the fixing plate, two gears are rotatably installed on the two side walls of the interior of the base through bearings, and the two gears are arranged on the two side walls of the interior of the base through bearings. One end of one gear penetrates through the base and extends to the outside, and a key groove in one end of one gear is connected with a motor fixedly installed on the base. According to the injection mold with the ejection mechanism, after injection molding is completed, the motor works to drive the gear to rotate, the gear rotates to drive the rack to move, the rack moves to drive the first mold base to move, the first mold base moves to the outside of the base, and then an injection molding part obtained after injection molding is completed is ejected out, so that the function of facilitating discharging is achieved, and the production efficiency is improved. And after discharging is completed, the motor rotates reversely to drive the gear to rotate reversely, the gear drives the rack to move, and the first die holder moves to be attached to the fixing plate.

Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to an injection mold with an ejection mechanism. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of injection molding are fast production speed, high efficiency, automated operation, a wide variety of colors and patterns, shapes from simple to complex, sizes from large to small, and precise product sizes. Products are easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding fields such as products with complex shapes. Injection molds are tools for producing plastic products, and are also tools that give plastic products complete structures and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, the heated and melted plastic is injected into the mold cavity under high pressure by an injection molding machine, and a molded product is obtained after cooling and solidification.

[0003] However, the injection molds currently available on the market are not convenient for ejecting the molded parts during use, which in turn affects the material removal speed of the injection molded parts and easily causes the injection molded parts to fit inside the mold and be difficult to fall out.

[0004] Therefore, it is necessary to provide an injection mold with an ejection mechanism to solve the above technical problems. Utility Model Content

[0005] The utility model provides an injection mold with an ejection mechanism, which solves the problem that the injection molds in the existing market are not convenient for ejecting the injection molded parts during use, which in turn affects the feeding speed of the injection molded parts and makes it easy for the injection molded parts to fit inside the mold and be difficult to fall.

[0006] The utility model provides an injection mold with an ejection mechanism, comprising: a base, a fixed plate fixedly installed inside the base, a slide groove is opened on one side of the outside of the fixed plate, and the number of the slide grooves is two, gears are rotatably installed on both side walls of the inside of the base through bearings, and the number of the gears is two, one end of one of the gears penetrates the base and extends to the outside, one end of one of the gears is connected to a motor fixedly installed on the base by a keyway, a connecting shaft is connected to the keyway between the two gears, the outsides of the two gears are meshed and connected with racks, one end of the two racks respectively penetrates the fixed plate through the two slide grooves and extends to the outside, a first mold base is fixedly installed between one ends of the two racks, and the outer surface of the first mold base is in contact with the inner surface of the base.

[0007] Preferably, support rods are fixedly installed at four corners of one side of the outside of the base, and the number of the support rods is four.

[0008] Preferably, a mounting plate is fixedly mounted between one ends of the four support rods.

[0009] Preferably, a hydraulic cylinder is fixedly mounted at the center point of one outer side of the mounting plate.

[0010] Preferably, one end of the hydraulic cylinder passes through the mounting plate and extends to the outside, and a second die base is fixedly mounted on one end of the hydraulic cylinder, and the second die base is slidably mounted between the four support rods along the length direction of the support rods.

[0011] Preferably, an injection tube is fixedly mounted on one side of the exterior of the second mold base.

[0012] Compared with the related art, the injection mold with an ejection mechanism provided by the utility model has the following beneficial effects:

[0013] After the injection molding is completed, the motor drives the gear to rotate, the gear rotation drives the rack to move, the rack movement drives the first mold base to move, the first mold base moves to the outside of the base, and then the injection molded part is ejected, which has the function of convenient unloading. After the unloading is completed, the motor rotates in the opposite direction, driving the gear to rotate in the opposite direction, the gear drives the rack to move, and the first mold base moves to fit with the fixed plate. The structure is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of an injection mold with an ejection mechanism provided by the utility model;

[0015] Figure 2 for Figure 1 The schematic diagram of the first mold base installation structure is shown;

[0016] Figure 3 for Figure 1 Schematic diagram of the connecting shaft installation structure is shown.

[0017] In the figure: 1. base; 2. fixing plate; 3. slide groove; 4. gear; 5. motor; 6. connecting shaft; 7. rack; 8. first mold base; 9. support rod; 10. mounting plate; 11. hydraulic cylinder; 12. second mold base; 13. injection molding tube. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0019] Please refer to Figure 1 , Figure 2 and Figure 3 ,in Figure 1 A structural schematic diagram of a preferred embodiment of an injection mold with an ejection mechanism provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the first mold base installation structure is shown; Figure 3 for Figure 1 The schematic diagram of the connecting shaft installation structure shown in the figure shows an injection mold with an ejection mechanism, comprising: a base 1, a fixed plate 2 is fixedly installed inside the base 1, a slide groove 3 is opened on one side of the outside of the fixed plate 2, and the number of the slide grooves 3 is two, gears 4 are rotatably installed on both side walls of the inside of the base 1 through bearings, and the number of the gears 4 is two, one end of one of the gears 4 passes through the base 1 and extends to the outside, one end of one of the gears 4 is connected to a motor 5 fixedly installed with the base 1 through a keyway, a connecting shaft 6 is connected to the keyway between the two gears 4, and the outsides of the two gears 4 are meshed and connected with racks 7, and one end of the two racks 7 is respectively connected through two slides The groove 3 passes through the fixed plate 2 and extends to the outside. A first mold base 8 is fixedly installed between one ends of the two racks 7. The outer surface of the first mold base 8 fits with the inner surface of the base 1. After the injection molding is completed, the motor 5 works to drive the gear 4 to rotate, and the rotation of the gear 4 drives the rack 7 to move. The movement of the rack 7 drives the first mold base 8 to move. The first mold base 8 moves to the outside of the base 1, and then the injection molded part is ejected, which has the function of facilitating unloading. After the unloading is completed, the motor 5 rotates in the opposite direction, driving the gear 4 to rotate in the opposite direction. The gear 4 drives the rack 7 to move, and the first mold base 8 moves to fit with the fixed plate 2. The structure is simple and easy to use.

[0020] Support rods 9 are fixedly installed at the four corners of one side of the outside of the base 1, and the number of support rods 9 is four. A mounting plate 10 is fixedly installed between one ends of the four support rods 9. A hydraulic cylinder 11 is fixedly installed at the center point of one side of the outside of the mounting plate 10. One end of the hydraulic cylinder 11 penetrates the mounting plate 10 and extends to the outside. A second die base 12 is fixedly installed at one end of the hydraulic cylinder 11. The second die base 12 is slidably installed between the four support rods 9 along the length direction of the support rods 9. The first die base 8 and the second die base 12 are adapted to each other. During injection molding, the hydraulic cylinder 11 drives the second die base 12 to slide along the length direction of the support rods 9. After the second die base 12 is fitted with the first die base 8, the material is introduced at the injection tube 13, and the material enters between the first die base 8 and the second die base 12. Through water cooling, the material solidifies to form an injection molded part, the hydraulic cylinder 11 contracts, and the second die base 12 is separated from the first die base 8.

[0021] An injection tube 13 is fixedly mounted on one side of the outer portion of the second mold base 12. The injection tube 13 is connected to a conduit, which is connected to an injection molding machine. The injection molding machine guides the material into the conduit and finally into the interior of the injection mold.

[0022] The working principle of an injection mold with an ejection mechanism provided by the utility model is as follows:

[0023] The first step: the first die base 8 and the second die base 12 are adapted to each other. During injection molding, the hydraulic cylinder 11 drives the second die base 12 to slide along the length direction of the support rod 9. After the second die base 12 and the first die base 8 are fitted together, the injection tube 13 is connected to the conduit, and the conduit is connected to the injection molding machine. The injection molding machine is used to introduce the material into the conduit, and the material is introduced at the injection tube 13. The material enters between the first die base 8 and the second die base 12. Through water cooling, the material solidifies to form an injection molded part. The hydraulic cylinder 11 contracts, and the second die base 12 is separated from the first die base 8.

[0024] Step 2: After the injection molding is completed, the motor 5 works to drive the gear 4 to rotate, the gear 4 rotates to drive the rack 7 to move, the rack 7 moves and then drives the first mold base 8 to move, the first mold base 8 moves to the outside of the base 1, and then the injection molded part is ejected, which has the function of convenient unloading. After the unloading is completed, the motor 5 rotates in the opposite direction, driving the gear 4 to rotate in the opposite direction, the gear 4 drives the rack 7 to move, and the first mold base 8 moves to fit with the fixed plate 2. The structure is simple and easy to use.

[0025] Compared with the related art, the injection mold with an ejection mechanism provided by the utility model has the following beneficial effects:

[0026] After the injection molding is completed, the motor 5 drives the gear 4 to rotate, the gear 4 rotates to drive the rack 7 to move, the rack 7 moves and then drives the first mold base 8 to move, the first mold base 8 moves to the outside of the base 1, and then the injection molded part is ejected, which has the function of facilitating material unloading. After the unloading is completed, the motor 5 rotates in the opposite direction, driving the gear 4 to rotate in the opposite direction, the gear 4 drives the rack 7 to move, and the first mold base 8 moves to fit with the fixed plate 2. The structure is simple and easy to use.

[0027] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An injection mold with an ejection mechanism, comprising: The base (1) is characterized in that: a fixed plate (2) is fixedly installed inside the base (1), a sliding groove (3) is opened on one side of the outside of the fixed plate (2), and the number of the sliding grooves (3) is two; gears (4) are rotatably installed on both side walls of the inside of the base (1) through bearings, and the number of the gears (4) is two, one end of one of the gears (4) penetrates the base (1) and extends to the outside, one end of one of the gears (4) is keyed to a motor (5) fixedly installed on the base (1), a connecting shaft (6) is keyed between the two gears (4), the outsides of the two gears (4) are meshedly connected with racks (7), one end of the two racks (7) penetrates the fixed plate (2) through the two sliding grooves (3) and extends to the outside, a first mold base (8) is fixedly installed between one ends of the two racks (7), and the outer surface of the first mold base (8) is in contact with the inner surface of the base (1).

2. The injection mold with an ejection mechanism according to claim 1, characterized in that: Support rods (9) are fixedly installed at four corners of one side of the outside of the base (1), and the number of the support rods (9) is four.

3. The injection mold with an ejection mechanism according to claim 2, characterized in that: A mounting plate (10) is fixedly mounted between one ends of the four support rods (9).

4. The injection mold with an ejection mechanism according to claim 3, characterized in that: A hydraulic cylinder (11) is fixedly mounted at the center point of one side of the outside of the mounting plate (10).

5. The injection mold with an ejection mechanism according to claim 4, characterized in that: One end of the hydraulic cylinder (11) passes through the mounting plate (10) and extends to the outside, and a second die base (12) is fixedly mounted on one end of the hydraulic cylinder (11), and the second die base (12) is slidably mounted between the four support rods (9) along the length direction of the support rods (9).

6. The injection mold with an ejection mechanism according to claim 5, characterized in that: An injection tube (13) is fixedly mounted on one side of the exterior of the second mold base (12).

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