Multi-station injection molding machine

Abstract

The utility model relates to the technical field of injection molding machines, and discloses a multi-station injection molding machine which comprises a machine table and an injection molding machine body mounted on the machine table, a rotary disc located below the injection molding machine body and a driving part used for driving the rotary disc to rotate are installed on the machine table, sliding grooves are formed in the periphery of the top of the rotary disc, elastic parts are installed in the multiple sliding grooves, and forming molds are detachably installed on the multiple elastic parts. The multiple forming molds are slidably connected with the multiple sliding grooves correspondingly, and the injection molding machine body is located above the rotating path of the multiple forming molds. The machine table is provided with a reciprocating knocking piece used for knocking the forming mold in a reciprocating mode. The utility model provides a multi-station injection molding machine, which solves the problems that non-uniform holes or defects are easy to appear in plastic products during injection molding, and the quality and the stability of the products are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding machines, in particular to a multi-station injection molding machine. Background Art

[0002] Injection molding machine is a kind of equipment widely used in the production of plastic products. It heats and melts the plastic raw materials, then injects the molten plastic into the mold cavity, cools and solidifies in the mold, and finally obtains the desired plastic product. In order to improve production efficiency, a multi-station injection molding machine is generally set up, that is, multiple injection molds are set on the same equipment. Through the automatic control system, the plasticized molten plastic is injected into each closed mold cavity in turn, realizing multi-station simultaneous injection molding, thereby quickly producing large quantities of plastic products;

[0003] When injecting molten plastic into the mold cavity for molding, gas may be entrained into the plastic, resulting in bubbles. If the solution does not flow smoothly in the mold cavity, bubbles are also likely to form. Gas and poor flow will hinder the uniform distribution of plastic, resulting in uneven holes or defects in plastic products, reducing the quality and stability of the products.

[0004] In order to solve the above problems, a multi-station injection molding machine is proposed in the present application. Utility Model Content

[0005] Based on the technical problems existing in the background technology, the utility model proposes a multi-station injection molding machine.

[0006] The utility model provides a multi-station injection molding machine, comprising a machine platform and an injection molding machine body installed on the machine platform;

[0007] The machine platform is provided with a turntable located below the injection molding machine body and a driving member for driving the turntable to rotate, the top of the turntable is provided with slide grooves around, a plurality of the slide grooves are provided with elastic members, a plurality of the elastic members are provided with detachable molding dies, a plurality of the molding dies are respectively slidably connected with a plurality of slide grooves, and the injection molding machine body is located above the rotation paths of the plurality of molding dies;

[0008] A reciprocating knocking piece for reciprocatingly knocking the forming mold is installed on the machine platform.

[0009] Preferably, the reciprocating knocking member includes an assembly frame, a fixed block, a knocking rod, a disc, a first servo motor and a connecting rod, a bearing seat is installed on the side of the machine, the assembly frame and the fixed block are both installed on the bearing seat, and the fixed block is located on the side of one of the molding dies, a through movable channel is opened in the fixed block, and the knocking rod slides through the movable channel, the first servo motor is installed on the back of the assembly frame, the disc is connected to the output end of the first servo motor and is located on the front of the assembly frame, one end of the connecting rod is rotatably connected to the eccentric position of the disc, a U-shaped opening is opened at one end of the knocking rod close to the disc, the other end of the connecting rod extends into the U-shaped opening and is rotatably connected to the knocking rod, and the knocking rod is used to reciprocately knock on the molding die.

[0010] Preferably, the elastic member includes a spring, a limit block and a clamping block, the spring is installed on the inner wall of the slide slot, the limit block is slidably set in the slide slot and connected to the spring, the clamping block is installed on the top of the limit block, and a socket is provided at the bottom of the molding mold, and a plurality of the clamping blocks are respectively inserted into a plurality of sockets.

[0011] Preferably, the outer periphery of the clamping block is provided with a rubber sleeve.

[0012] Preferably, the driving member comprises a second servo motor, a mounting groove is provided in the machine platform, the second servo motor is mounted in the mounting groove, and the bottom center of the turntable is connected to the output end of the second servo motor.

[0013] The above technical solution of the utility model has the following beneficial technical effects:

[0014] By means of the elastic parts and reciprocating knocking parts which are arranged, the molding molds on the turntable can be driven by the driving parts to rotate to the position below the injection molding machine body in sequence, and the injection molding machine body can be used to perform injection molding on several molding molds on the turntable in sequence, and the molding molds after injection molding can be rotated to the corresponding positions in sequence, and the reciprocating knocking parts can be used to knock the molding molds back and forth under the action of the elastic parts, so that the molding molds can be evenly distributed in the molding molds, and the generation of bubbles can be reduced. The structure utilizes the reciprocating knocking parts to knock the molding molds back and forth, so that the molding molds can be reciprocated under the action of the elastic parts, which helps to evenly distribute the medium in the molding molds, thereby reducing the generation of bubbles and improving the quality and stability of the products. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic structural diagram of a multi-station injection molding machine.

[0016] Figure 2 The utility model is a schematic diagram of the structure of a turntable in a multi-station injection molding machine.

[0017] Figure 3 The utility model is a schematic structural diagram of a reciprocating striking member in a multi-station injection molding machine.

[0018] Figure numerals: 1, machine table; 2, injection molding machine body; 3, turntable; 4, elastic member; 41, spring; 42, limit block; 43, clamping block; 5, molding mold; 6, reciprocating knocking member; 61, assembly frame; 62, fixing block; 63, knocking rod; 64, disc; 65, first servo motor; 66, connecting rod; 7, bearing seat; 8, second servo motor. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0020] like Figure 1-3 As shown, a multi-station injection molding machine proposed in the utility model comprises a machine platform 1 and an injection molding machine body 2 installed on the machine platform 1;

[0021] In this embodiment, a turntable 3 located below the injection molding machine body 2 and a driving member for driving the turntable 3 to rotate are installed on the machine platform 1. The driving member includes a second servo motor 8. A mounting groove is provided in the machine platform 1. The second servo motor 8 is installed in the mounting groove. The bottom center of the turntable 3 is connected to the output end of the second servo motor 8.

[0022] In this embodiment, the top of the turntable 3 is provided with slide grooves all around, and elastic members 4 are installed in a plurality of slide grooves, and molding molds 5 are detachably installed on the plurality of elastic members 4, and the plurality of molding molds 5 are respectively slidably connected with the plurality of slide grooves, and the injection molding machine body 2 is located above the rotation path of the plurality of molding molds 5. The elastic member 4 includes a spring 41, a limit block 42 and a clamping block 43, the spring 41 is installed on the inner wall of the slide groove, the limit block 42 is slidably arranged in the slide groove and connected with the spring 41, the clamping block 43 is installed on the top of the limit block 42, and a plug hole is provided at the bottom of the molding mold 5, and a plurality of clamping blocks 43 are respectively plugged into the plurality of plug holes.

[0023] In this embodiment, a reciprocating knocking member 6 for reciprocatingly knocking the forming mold 5 is installed on the machine 1. The reciprocating knocking member 6 includes an assembly frame 61, a fixed block 62, a knocking rod 63, a disc 64, a first servo motor 65 and a connecting rod 66. A bearing seat 7 is installed on the side of the machine 1. The assembly frame 61 and the fixed block 62 are both installed on the bearing seat 7, and the fixed block 62 is located on the side of one of the forming molds 5. A through movable channel is opened in the fixed block 62, and the knocking rod 63 slides through the movable channel. The first servo motor 65 is installed on the back of the assembly frame 61. The disc 64 is connected to the output end of the first servo motor 65 and is located on the front of the assembly frame 61. One end of the connecting rod 66 is rotatably connected to the eccentric position of the disc 64. A U-shaped opening is opened at one end of the knocking rod 63 close to the disc 64. The other end of the connecting rod 66 extends into the U-shaped opening and is rotatably connected to the knocking rod 63. The knocking rod 63 is used to reciprocately knock the forming mold 5.

[0024] It should be noted that: in order to improve the quality and stability of the injection molded products, the second servo motor 8 can be used to drive the molding molds 5 on the turntable 3 to rotate in sequence to the position below the injection molding machine body 2, and the injection molding machine body 2 can be used to perform injection molding on the plurality of molding molds 5 on the turntable 3 in sequence, and the molding molds 5 after injection molding can be rotated in sequence to the position where the knocking rod 63 is located, and the first servo motor 65 can be used to drive the disk 64 to drive the connecting rod 66 to make circumferential motion, and the knocking rod 63 can be driven by the connecting rod 66 to make lateral reciprocating motion in the fixed block 62, and the knocking rod 63 can be driven by the lateral reciprocating motion. The reciprocating knocking rod 63 knocks the molding mold 5 back and forth, and the limit block 42 below the molding mold 5 slides in the slide groove and can be driven to move back and forth under the action of the spring 41. The molding mold 5 also swings back and forth, which can make the medium in the molding mold 5 evenly distributed and reduce the generation of bubbles. The structure uses the reciprocating knocking member 6 to knock the molding mold 5 back and forth, so that the molding mold 5 swings back and forth under the action of the elastic member 4, which helps to evenly distribute the medium in the molding mold 5, thereby reducing the generation of bubbles and improving the quality and stability of the product.

[0025] In a specific embodiment, a rubber sleeve is provided on the outer periphery of the clamping block 43 .

[0026] It should be noted that the rubber sleeve on the outer periphery of the clamping block 43 can increase the friction between it and the forming mold 5, so that the forming mold 5 is more firmly sleeved.

[0027] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A multi-station injection molding machine, comprising a machine platform (1) and an injection molding machine body (2) mounted on the machine platform (1), characterized in that: The machine platform (1) is provided with a turntable (3) located below the injection molding machine body (2) and a driving member for driving the turntable (3) to rotate. Slide grooves are provided around the top of the turntable (3). A plurality of elastic members (4) are installed in the slide grooves. A plurality of molding molds (5) are detachably installed on the elastic members (4). The plurality of molding molds (5) are respectively slidably connected to the plurality of slide grooves. The injection molding machine body (2) is located above the rotation path of the plurality of molding molds (5). The machine platform (1) is provided with a reciprocating knocking member (6) for reciprocatingly knocking the forming mold (5).

2. A multi-station injection molding machine according to claim 1, characterized in that: The reciprocating knocking member (6) comprises an assembly frame (61), a fixed block (62), a knocking rod (63), a disc (64), a first servo motor (65) and a connecting rod (66); a bearing seat (7) is installed on the side of the machine platform (1); the assembly frame (61) and the fixed block (62) are both installed on the bearing seat (7); the fixed block (62) is located on the side of one of the molding dies (5); a through movable channel is opened in the fixed block (62); the knocking rod (63) slides through the movable channel; the first servo motor (65) and the connecting rod (66) are connected to ... A servo motor (65) is mounted on the back of the assembly frame (61); the disc (64) is connected to the output end of the first servo motor (65) and is located on the front of the assembly frame (61); one end of the connecting rod (66) is rotatably connected to the eccentric position of the disc (64); a U-shaped opening is opened at one end of the knocking rod (63) close to the disc (64); the other end of the connecting rod (66) extends into the U-shaped opening and is rotatably connected to the knocking rod (63); the knocking rod (63) is used to reciprocately knock the forming mold (5).

3. A multi-station injection molding machine according to claim 2, characterized in that: The elastic member (4) comprises a spring (41), a limit block (42) and a clamping block (43); the spring (41) is mounted on the inner wall of the slide groove; the limit block (42) is slidably arranged in the slide groove and connected to the spring (41); the clamping block (43) is mounted on the top of the limit block (42); a plug hole is provided at the bottom of the molding die (5); a plurality of the clamping blocks (43) are respectively plugged into the plurality of plug holes.

4. A multi-station injection molding machine according to claim 3, characterized in that: The outer periphery of the clamping block (43) is covered with a rubber sleeve.

5. The multi-station injection molding machine according to claim 1, characterized in that: The driving component comprises a second servo motor (8). A mounting groove is provided in the machine platform (1), the second servo motor (8) is mounted in the mounting groove, and the bottom center of the turntable (3) is connected to the output end of the second servo motor (8).

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