Hot runner injection molding device with open injection molding opening

Abstract

The utility model relates to the technical field of injection molding devices, in particular to an open injection molding opening type hot runner injection molding device which comprises a working table, an injection molding device body is fixedly installed on the upper side of the working table, a box body is fixedly connected to the upper side of the working table, and four first fixing rods are fixedly connected to the side wall of the box body. One ends of the four first fixing rods are jointly and fixedly connected with a fixing plate, and two guide rails are fixedly connected between the box body and the fixing plate. By means of the stripping structure, a product subjected to injection molding can be automatically ejected out through the ejector pin after injection molding is completed, the upper end of the first mold can be vibrated while the ejector pin moves through the vibration structure, and the fallen product is automatically pushed to the conveying device through the pushing plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding device technical field especially relates to an open injection port type hot runner injection molding device. BACKGROUND

[0002] The open injection port type hot runner injection molding device is a key technology developed to meet the requirements of special injection molding process. The device uses an open hot nozzle structure at the end of the flow channel, does not require mechanical valve parts, and uses the pressure of the melt itself to fill the mold. The core technology is to maintain the plastic in the flow channel in a molten state at all times through a precise temperature control system, effectively preventing the generation of cold material in the flow channel, thereby significantly reducing raw material loss.

[0003] Currently, after injection molding is completed, the product still needs to be stripped. The traditional manual stripping method is cumbersome, and the high-temperature mold may cause burns to the workers, posing a certain risk. After processing is completed, the product still needs to be manually taken, and the work process is relatively complicated. UTILITY MODEL CONTENT

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An open injection port type hot runner injection molding device includes:

[0006] A workbench is fixedly installed with an injection molding device body on the upper side, a box body is fixedly connected on the upper side of the workbench, four fixed rods one are fixedly connected on the side wall of the box body, one end of the four fixed rods one is commonly fixedly connected with a fixed plate, two guide rails are fixedly connected between the box body and the fixed plate, a sliding plate is commonly slidably connected on the outer side of the two guide rails, two connecting pipes are fixedly connected on the side wall of the sliding plate, a mold one is commonly fixedly connected at one end of the two connecting pipes, a mold two is fixedly connected on the side wall of the fixed plate, an electric hydraulic device is fixedly installed on the inner side of the box body, and the output end of the electric hydraulic device is fixedly connected with the sliding plate.

[0007] Preferably, a stripping structure is installed on the sliding plate, the stripping structure includes four fixed rods two fixedly connected between the sliding plate and the mold one, an extrusion plate is commonly slidably connected on the outer side of the four fixed rods two, four jacks are fixedly connected on the side wall of the extrusion plate, four springs one are fixedly connected between the extrusion plate and the mold one, a notch is opened on the side wall of the sliding plate, and a top rod is fixedly connected on the side wall of the box body.

[0008] Preferably, the mold one side is provided with a vibration structure, the vibration structure includes four fixed rods three fixedly connected on the side wall of the mold, four rotatingly connected with the rotating plate on the outer side of the four fixed rods three, the rotating plate upper side is fixedly connected with four ball-shaped lugs, four fixedly connected with the round plate on the outer side of the four fixed rods three, the round plate lower side is fixedly connected with two extrusion rods, the round plate side wall is fixedly connected with a vibration rod, the round plate and the fixed rod three are fixedly connected with the spring two, the rotating plate lower side is fixedly connected with a straight gear, the extrusion plate side wall is fixedly connected with four straight racks, and the adjacent straight gear and straight rack are engaged.

[0009] Preferably, the workbench inner side is provided with a groove, the sliding plate lower side is fixedly connected with a connecting plate, and the connecting plate side wall is fixedly connected with a push plate.

[0010] Preferably, the push plate upper side is fixedly connected with an inclined plate.

[0011] Preferably, the notch is provided with a conveying device.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、 the utility model discloses, through the stripping structure can make after injection molding the product that completes is automatically taken out by ejector pin, reduces the process of manual taking, make the work procedure more safe;

[0014] 2、 the utility model discloses, through vibration structure makes when ejector pin moves can vibrate to mold one upper end simultaneously, thereby can greatly accelerate the speed of stripping, and still can avoid the situation of not completely falling off, reduce the damage situation of product when stripping;

[0015] 3、 the utility model discloses, through push plate automatically push the product that falls to conveying device, see the process of manual taking, make the goods of receiving come more convenient. ACCURACY OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the open injection port type hot runner injection molding device proposed in the utility model;

[0017] Figure 2 It is an internal structure sectional view of the open injection port type hot runner injection molding device proposed in the utility model;

[0018] Figure 3 It is a stripping structure schematic diagram of the open injection port type hot runner injection molding device proposed in the utility model;

[0019] Figure 4 It is a vibration structure sectional view of the open injection port type hot runner injection molding device proposed in the utility model.

[0020] Figure 5 A three-dimensional structure schematic diagram of the pushing plate and the inclined plate of the open injection port type hot runner injection molding device is provided.

[0021] In the figure: 1 workbench, 2 injection molding device body, 3 box body, 4 fixed rod one, 5 fixed plate, 6 guide rail, 7 sliding plate, 8 connecting pipe, 9 mold one, 10 mold two, 11 electric hydraulic device, 12 fixed rod two, 13 extrusion plate, 14 thimble, 15 spring one, 16 ejector rod, 17 fixed rod three, 18 rotating plate, 19 spherical lug, 20 round plate, 21 extrusion rod, 22 vibration rod, 23 spring two, 24 straight gear, 25 straight rack, 26 pushing plate, 27 inclined plate, 28 conveying device. DETAILED DESCRIPTION

[0022] Referring to Figures 1-5 An open injection port type hot runner injection molding device, comprising:

[0023] The workbench 1 is fixedly installed with an injection molding device body 2 on the upper side, which comprises a control device, a feeding box, an injection molding pipeline and a heating plate. The control device controls the screw in the injection molding pipeline to make the plastic screw forward, and the heating plate heats the injection molding pipeline. The heating plate is heated by resistance, and the circuit in the control device is powered on, so that the plastic particles in the injection molding pipeline are melted into a liquid state, and the injection molding work is completed. The above-mentioned devices are prior art and will not be described in detail. The workbench 1 is fixedly connected with a box body 3 on the upper side, and four fixed rods one 4 are fixedly connected with the side wall of the box body 3. One end of the four fixed rods one 4 is fixedly connected with a fixed plate 5. Two guide rails 6 are fixedly connected between the box body 3 and the fixed plate 5. A sliding plate 7 is slidably connected with the outer side of the two guide rails 6. Two connecting pipes 8 are fixedly connected with the side wall of the sliding plate 7. A mold one 9 is fixedly connected with one end of the two connecting pipes 8. A mold two 10 is fixedly connected with the side wall of the fixed plate 5. The injection molding pipeline on the injection molding device body 2 is fixedly connected with the fixed plate 5. Liquid plastic is injected into the mold two 10 and the mold one 9 through the inflow holes on the fixed plate 5 and the mold two 10. The mold one 9 and the connecting pipe 8 are slidably connected with the two guide rails 6 and linearly move under the limitation of the guide rails 6. The guide rails 6 provide support force during linear motion. An electric hydraulic device 11 is fixedly installed in the inner side of the box body 3. The electric hydraulic device 11 is a device that converts electrical energy into hydraulic energy and then outputs mechanical work through a hydraulic actuator. It is composed of a motor, a hydraulic pump, an oil tank and a control valve. The output end can be extended and has a self-locking function. This is prior art and will not be described in detail. The output end of the electric hydraulic device 11 is fixedly connected with the sliding plate 7. A recess is formed in the inner side of the workbench 1. A connecting plate is fixedly connected with the lower side of the sliding plate 7. A push plate 26 is fixedly connected with the side wall of the connecting plate. An inclined plate 27 is fixedly connected with the upper side of the push plate 26. The inclined plate 27 can prevent the product from rebounding to the other end of the push plate 26 due to collision when falling. The inclined plate 27 also has a certain buffering force, reducing the damage of the product due to collision. A conveying device 28 is installed in the recess. The conveying device 28 is composed of a motor, a driving shaft, a driving roller and a conveying belt. The conveying device 28 can convey the product falling on the conveying belt to the collection place. This is prior art and will not be described in detail.

[0024] A stripping structure is installed on the sliding plate 7. The stripping structure comprises four fixed rods two 12 fixedly connected between the sliding plate 7 and the mold one 9. The outer side of the four fixed rods two 12 is slidably connected with a pressing plate 13. The side wall of the pressing plate 13 is fixedly connected with four ejector pins 14. The side wall of the mold one 9 is provided with a slot. The ejector pins 14 can slide in the slot. Four springs one 15 are fixedly connected between the pressing plate 13 and the mold one 9. The side wall of the sliding plate 7 is provided with a recess. A top rod 16 is fixedly connected with the side wall of the box body 3.

[0025] The mold one 9 is provided with a vibrating structure, which comprises four fixed rods three 17 fixedly connected to the side wall of the mold one 9, four rotating plates 18 rotatably connected to the outer side of the four fixed rods three 17, four spherical lugs 19 fixedly connected to the upper side of the rotating plates 18, a circular plate 20 slidably connected to the outer side of the four fixed rods three 17, two extruding rods 21 fixedly connected to the lower side of the circular plate 20, a vibrating rod 22 fixedly connected to the side wall of the circular plate 20, springs two 23 fixedly connected between the circular plate 20 and the fixed rods three 17, a straight gear 24 fixedly connected to the lower side of the rotating plate 18, four straight racks 25 fixedly connected to the side wall of the extruding plate 13, and the adjacent straight gears 24 and the straight racks 25 are in engagement.

[0026] In the utility model, first, the staff injects the melted plastic into the mold two 10 and then the mold one 9 by starting the injection molding device body 2, and after the injection molding is completed, the sliding plate 7 is moved backward by starting the electric hydraulic device 11, so that the mold one 9 and the mold two 10 can be separated through the two connecting pipes 8, at this time, the product is adhered to the mold one 9, in the process that the sliding plate 7 moves to the bottom, the ejector rod 16 can pass through the notch of the sliding plate 7 and abut against the extruding plate 13, the extruding plate 13 is moved forward and extrudes the spring one 15, so that the ejector pin 14 is pushed into the mold one 9, so that the product can be stripped, in the process that the extruding plate 13 moves, the straight gear 24 can be driven to rotate through the straight rack 25, the rotating of the straight gear 24 can make the rotating plate 18 rotate, the rotating of the rotating plate 18 can make the four spherical lugs 19 on the upper side rotate, so that the extruding rod 21 can be lifted upward through the spherical surface of the spherical lug 19 itself, so that the circular plate 20 is slid upward, when the rotating plate 18 continues to rotate, the extruding rod 21 no longer receives upward extrusion, at this time, the circular plate 20 is moved downward through the pulling force of the springs two 23, so as to drive the vibrating rod 22 to move downward, so that the surface of the mold one 9 can be vibrated, the product that falls off can fall into the groove, so as to fall in front of the pushing plate 26 through the inclined plate 27, with the next injection molding, the product can be pushed to the conveying device 28 through the movement of the sliding plate 7 and then be conveyed.

Claims

1. An open-gate hot runner injection molding apparatus, comprising a worktable (1), characterized in that, The injection molding device body (2) is fixedly installed on the upper side of the workbench (1). A box (3) is fixedly connected to the upper side of the workbench (1). Four fixing rods (4) are fixedly connected to the side wall of the box (3). A fixing plate (5) is fixedly connected to one end of each of the four fixing rods (4). Two guide rails (6) are fixedly connected between the box (3) and the fixing plate (5). A sliding plate (7) is slidably connected to the outer side of the two guide rails (6). Two connecting pipes (8) are fixedly connected to the side wall of the sliding plate (7). A mold (9) is fixedly connected to one end of each of the two connecting pipes (8). A mold (10) is fixedly connected to the side wall of the fixing plate (5). An electric hydraulic device (11) is fixedly installed inside the box (3). The output end of the electric hydraulic device (11) is fixedly connected to the sliding plate (7).

2. The open injection port type hot runner injection molding device according to claim 1, characterized in that, A peeling structure is installed on the sliding plate (7). The peeling structure includes four fixed rods (12) fixedly connected between the sliding plate (7) and the mold (9). An extrusion plate (13) is slidably connected to the outside of the four fixed rods (12). Four ejector pins (14) are fixedly connected to the side wall of the extrusion plate (13). Four springs (15) are fixedly connected between the extrusion plate (13) and the mold (9). A notch is opened on the side wall of the sliding plate (7). An ejector rod (16) is fixedly connected to the side wall of the box (3).

3. The open injection port type hot runner injection molding device according to claim 2, characterized in that, A vibration structure is installed on the mold (9). The vibration structure includes four fixed rods (17) fixedly connected to the side wall of the mold (9). A rotating plate (18) is rotatably connected to the outside of each of the four fixed rods (17). Four spherical protrusions (19) are fixedly connected to the upper side of the rotating plate (18). A circular plate (20) is slidably connected to the outside of each of the four fixed rods (17). Two extrusion rods (21) are fixedly connected to the lower side of the circular plate (20). A vibration rod (22) is fixedly connected to the side wall of the circular plate (20). A spring (23) is fixedly connected between the circular plate (20) and the fixed rods (17). A spur gear (24) is fixedly connected to the lower side of the rotating plate (18). Four spur racks (25) are fixedly connected to the side wall of the extrusion plate (13), and adjacent spur gears (24) mesh with spur racks (25).

4. The open injection port type hot runner injection molding device according to claim 1, characterized in that, The workbench (1) has a groove on its inner side, and a connecting plate is fixedly connected to the lower side of the sliding plate (7). A push plate (26) is fixedly connected to the side wall of the connecting plate.

5. The open injection port type hot runner injection molding device according to claim 4, characterized in that, An inclined plate (27) is fixedly connected to the upper side of the push plate (26).

6. The open injection port type hot runner injection molding device according to claim 2, characterized in that, A conveying device (28) is installed in the notch.

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