Rapid cooling device of injection molding machine

Abstract

A rapid cooling device of an injection molding machine comprises supporting legs, the tops of the supporting legs are fixedly connected with a horizontally-arranged cooling box, the inner side wall of the cooling box is fixedly connected with a rack parallel to the length direction of the cooling box, an air cooling assembly and a conveying assembly are installed in the cooling box, and the conveying assembly is parallel to the rack. A plurality of outer tooth slewing bearings are installed on the conveying assembly, outer rings of the outer tooth slewing bearings are meshed with the racks, and trays are fixedly connected to the tops of the outer rings of the outer tooth slewing bearings. A fixed template and a movable template are installed at the top of the cooling box, a cooling interlayer is arranged on the side wall of the fixed template, the bottom of the cooling interlayer is communicated with the air cooling assembly, and the top of the cooling interlayer is communicated with an exhaust pipe. According to the plastic part cooling device, by arranging the conveying assembly, the outer tooth slewing bearing and the rack, a plastic part can be conveniently driven to rotate and advance in the cooling box, so that cold air can be blown to each side of the plastic part, the plastic part can be uniformly cooled, and the cooling efficiency of the plastic part can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to injection molding machine technical field, especially, relate to a quick cooling device of injection molding machine. BACKGROUND

[0002] Injection molding machine is also called injection molding machine or injection machine, when using, injection molding machine can heat plastic, melt plastic is subjected to high pressure, makes it shoot and fills the mold cavity, thereby can make various shape plastic parts, and because the temperature of finished product is higher, so need cooling device to cool plastic parts.

[0003] At present, the existing cooling device usually adopts the way of air cooling to cool plastic parts, air cooling is to use air cooler to blow cold air to the surface of plastic parts, then the heat of plastic parts is taken away by the flow of cold air, however, this processing method sometimes can cause the surface of plastic parts to deform due to excessive wind speed, at the same time, the cold air is often directional to one side of plastic parts, thereby causing the temperature distribution of plastic parts to be uneven, and further affecting the cooling efficiency of plastic parts, therefore, there are still defects and deficiencies in the prior art. INNOVATION CONTENT

[0004] The utility model provides a quick cooling device of injection molding machine to solve the problem in the background art.

[0005] In order to solve the above technical problem, the utility model adopts the technical scheme of a kind of quick cooling device of injection molding machine, including support leg, support leg top fixedly connected with the cooling box of horizontal arrangement, the inside wall of cooling box is fixedly connected with the length direction parallel rack of cooling box, wind cooling component and conveying component are installed in cooling box, conveying component is parallel with rack, conveying component is installed with several outer tooth rotary supports that can move along conveying component, the outer ring of outer tooth rotary support is engaged with rack, the outer ring top of outer tooth rotary support is fixedly connected with tray;Fixed template, moving template are installed at the top of cooling box, fixed template and moving template are oppositely arranged, cooling sandwich is set on the side wall of fixed template, cooling sandwich bottom is communicated with wind cooling component, and the top of cooling sandwich is communicated with exhaust pipe.

[0006] Preferably, conveying component includes motor, two rollers, two rollers are rotatably connected at both ends in the inside of cooling box, one of the two rollers is drivingly connected with motor through transmission assembly, two rollers are drivingly connected through annular conveying chain plate between two rollers, rack is located obliquely above conveying chain plate, several outer tooth rotary supports are equidistantly distributed along the circumference of conveying chain plate, and the inner ring of outer tooth rotary support is fixedly connected on conveying chain plate.

[0007] Preferably, the top of cooling box is provided with feeding port, and the bottom of cooling box is provided with discharge port, the feeding port and the discharge port are respectively located at both ends of the conveying assembly, and the moving template and the fixed template are respectively located at both sides of the feeding port.

[0008] Preferably, the air cooling assembly comprises a cooling fan, the cooling fan is communicated with the cooling interlayer through a first connecting pipe, the cooling fan is communicated with a cooling pipe arranged along the length direction of the cooling box through a second connecting pipe, the cooling pipe is located above the conveying assembly, the cooling pipe is fixedly connected with the inner wall of the cooling box, and air injection holes are arranged on the side wall of the cooling pipe.

[0009] Preferably, the top of the cooling box is fixedly connected with a vertically arranged mounting plate, one side of the mounting plate is fixedly connected with a horizontally arranged telescopic assembly, and the telescopic end of the telescopic assembly is fixedly connected with the movable template.

[0010] Preferably, the first connecting pipe is provided with a first valve.

[0011] Preferably, the second connecting pipe is provided with a second valve.

[0012] Preferably, the cooling box is wrapped with a heat preservation layer.

[0013] The utility model has the beneficial effects that: (1) the utility model discloses a cooling device for injection molding machine, comprising a cooling box, a cooling interlayer, a conveying assembly, an outer tooth rotary supporting, a rack and a movable template, wherein the cooling interlayer is arranged in the cooling box, the conveying assembly is arranged in the cooling box, the outer tooth rotary supporting is arranged in the conveying assembly, the rack is arranged in the conveying assembly, and the movable template is arranged in the conveying assembly. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the utility model under the section state;

[0016] Figure 3 It is a structural schematic view of the utility model under the section state; Figure 2 It is a a-a section view.

[0017] In the drawing: 1, support leg, 2, cooling box, 3, rack, 4, outer tooth rotary supporting, 5, tray, 6, propulsion system, 7, fixed template, 8, movable template, 9, cooling fan, 10, feed hopper, 11, cooling interlayer, 12, exhaust pipe, 13, chain link, 14, first connecting pipe, 15, motor, 16, roller, 17, transmission assembly, 18, conveying chain plate, 19, cooling pipe, 20, second connecting pipe, 21, air injection hole, 22, discharge port, 23, feed port, 24, mounting plate, 25, telescopic assembly, 26, first valve, 27, second valve, 28, heat preservation layer. DETAILED DESCRIPTION

[0018] The utility model is further described below in combination with the drawings, and the following description is based on the drawings. Figure 1 The direction in the drawings is used as the reference.

[0019] As shown in Figures 1-3 The utility model provides a kind of quick cooling device of injection molding machine, including support leg 1, support leg 1 top fixedly connected with the cooling box 2 of horizontal arrangement, the inside wall of cooling box 2 is fixedly connected with the length direction parallel rack 3 of cooling box 2, cooling box 2 is installed with air cooling component and conveying component, conveying component is parallel with rack 3, conveying component is installed with several outer tooth rotary supports 4 that can move along conveying component, the outer ring of outer tooth rotary support 4 is engaged with rack 3, the top of the outer ring of outer tooth rotary support 4 is fixedly connected with tray 5;Cooling box 2 top is installed with propulsion system 6, fixed template 7, mobile template 8, the top of propulsion system 6 is communicated with feed hopper 10, the output end of propulsion system 6 is communicated with the inside of fixed template 7, fixed template 7 and mobile template 8 are oppositely arranged, when fixed template 7 and mobile template 8 are combined, the inside space that is formed is mold cavity, cooling sandwich 11 for passing in cold air is set on the side wall of fixed template 7, cooling sandwich 11 is adapted to the outer contour of plastic part, cooling sandwich 11 bottom is communicated with air cooling component, cooling sandwich 11 top is communicated with exhaust pipe 12.

[0020] Specifically, in use, plastic material is added into propulsion system 6 through feed hopper 10, propulsion system 6 melts plastic, and the molten plastic is pressed, so that it is shot and fills mold cavity, then air cooling component is started, air cooling component can blow cold air to cooling sandwich 11 and cooling box 2, after cold air enters cooling sandwich 11, it exchanges heat with plastic part in mold cavity, so that the temperature of the outer surface of plastic part is reduced, so that the surface of plastic part in mold can be preliminarily cooled and hardened and shaped, after the surface of plastic part is hardened and shaped, worker demoulds plastic part and places it on tray 5, at this time, air cooling component blows cold air to plastic part in cooling box, then conveying component is started, conveying component can drive outer tooth rotary support 4 to slowly advance to right, at the same time, in the process of advancing of outer tooth rotary support 4, since the outer ring of outer tooth rotary support 4 is engaged with rack 3, tray 5 can be driven to slowly rotate, so that plastic part can be driven to advance in cooling box 2 by self-rotation, so that cold air can be blown to each side of plastic part, and then plastic part can be uniformly cooled.

[0021] The utility model discloses a cooling box 2, the cooling box 2 is provided with the transmission assembly, the rack 3, the plurality of outer tooth slewing bearings 4 and the tray 5, the transmission assembly is used for driving the tray 5 to rotate forward in the cooling box 2, the rack 3 is used for driving the outer tooth slewing bearing 4 to rotate forward, the plurality of outer tooth slewing bearings 4 are used for driving the tray 5 to rotate forward, and the tray 5 is used for placing the plastic part.

[0022] In some embodiments, the conveying assembly comprises a motor 15, two rollers 16 rotatably connected at two ends inside the cooling box 2 respectively, one of the rollers 16 is drivingly connected with the motor 15 through a transmission assembly 17 which can be a belt transmission mechanism or a chain transmission mechanism, the two rollers 16 are drivingly connected through an annular conveying chain plate 18, the conveying chain plate 18 and the connection between the roller 16 and the conveying chain plate 18 are both prior art, which will not be described here, that is, the conveying chain plate 18 is hinged by a plurality of chain links 13, the rack 3 is located obliquely above the conveying chain plate 18, a plurality of outer tooth slewing bearings 4 are equidistantly distributed along the circumference of the conveying chain plate 18, the inner ring of the outer tooth slewing bearing 4 is fixedly connected with the conveying chain plate 18, and the inner ring of the outer tooth slewing bearing 4 is fixedly connected with the outer surface of the single chain link 13. Specifically, in use, the motor 15 is started, the motor 15 drives the conveying chain plate 18 to rotate circularly through the transmission assembly 17 and the roller 16, so as to drive the outer tooth slewing bearing 4 to rotate circularly, then when the outer tooth slewing bearing 4 rotates circularly to the top of the conveying chain plate 18 and moves forward to the right, the outer ring of the outer tooth slewing bearing 4 will engage with the rack 3, so as to make the outer tooth slewing bearing 4 rotate forward to the right, and then drive the tray 5 to rotate forward to the right; and before the outer tooth slewing bearing 4 moves to the right end of the conveying chain plate 18 and starts to rotate circularly downward, the outer ring of the outer tooth slewing bearing 4 will be separated from the rack 3.

[0023] In some embodiments, the cooling box 2 is provided with an inlet 22 at the top and a discharge port 23 at the bottom, the inlet 22 and the discharge port 23 are respectively located at two ends of the conveying assembly, and the movable template 8 and the fixed template 7 are respectively located at two sides of the inlet 23. Specifically, in use, when the tray 5 slowly moves to below the inlet 23, the worker can place the preliminarily cooled plastic part on the tray 5 through the inlet 23 and transfer it into the cooling box 2; and when the tray 5 moves to the right end of the conveying assembly, after the outer tooth slewing bearing 4 is separated from the rack 3, the outer tooth slewing bearing 4 will be turned over downward together with the tray 5, so as to make the plastic part placed on the tray 5 discharged from the discharge port 22.

[0024] In some embodiments, the air cooling assembly comprises a cooling fan 9, the cooling fan 9 is communicated with the cooling layer 11 through a first connecting pipe 14, the cooling fan 9 is communicated with a cooling pipe 19 arranged along the length direction of the cooling box 2 through a second connecting pipe 20, the cooling pipe 19 is located above the conveying assembly, the cooling pipe 19 is fixedly connected with the inner wall of the cooling box 2, and air injection holes 21 are arranged on the side wall of the cooling pipe 19 and face the plastic parts in the tray 5. Specifically, in use, after the cooling fan 9 is started, the cooling fan 9 can blow out cold air, then the cold air is sprayed from the air injection holes 21 to the plastic parts after passing through the second connecting pipe 20 and the cooling pipe 19, so that the plastic parts in the cooling box 2 can be cooled.

[0025] In some embodiments, the cooling box 2 is fixedly connected with a mounting plate 24 arranged vertically, one side of the mounting plate 24 is fixedly connected with a telescopic assembly 25 arranged horizontally, and the telescopic end of the telescopic assembly 25 is fixedly connected with the movable mold plate 8. Specifically, the telescopic assembly 25 can be an electric telescopic rod, an air cylinder or the like, in use, the movable mold plate 8 can be driven to move horizontally through the telescopic end of the telescopic assembly 25, so that the mold cavity can be conveniently sealed or opened.

[0026] In some embodiments, the first connecting pipe 14 is provided with a first valve 26, the cold air flowing into the cooling cavity can be cut off through the first valve 26, so that the preliminary cooling time of the plastic parts can be conveniently controlled.

[0027] In some embodiments, the second connecting pipe 20 is provided with a second valve 27, the speed of the cold air flowing into the cooling box 2 can be controlled through the adjustment of the second valve 27, so that the speed of the cold air sprayed from the air injection holes 21 can be conveniently controlled.

[0028] In some embodiments, the cooling box 2 is wrapped with a thermal insulation layer 28, the thermal insulation layer 28 can be made of thermal insulation materials such as rubber sponge and rock wool, the speed of heat exchange between the cooling box 2 and the outside environment can be reduced through the arrangement of the thermal insulation layer 28, so that the temperature in the cooling box 2 can be kept low, and then the cooling efficiency of the plastic parts can be ensured.

[0029] The above-mentioned embodiments can be combined with each other.

[0030] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "horizontal", "vertical" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.

[0031] The above embodiments are not any form of limitation on the shape, material, structure, etc. of the utility model, and any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model all belong to the protection scope of the technical scheme of the utility model.

Claims

1. A rapid cooling device for an injection molding machine, comprising support legs, characterized in that: A horizontally arranged cooling box is fixedly connected to the top of the support leg. A rack parallel to the length direction of the cooling box is fixedly connected to the inner side wall of the cooling box. An air-cooling component and a conveying component are installed inside the cooling box. The conveying component is parallel to the rack. Several external toothed slewing bearings that can move along the conveying component are installed on the conveying component. The outer ring of the external toothed slewing bearing meshes with the rack. A tray is fixedly connected to the top of the outer ring of the external toothed slewing bearing. The top of the cooling box is equipped with a fixed template and a movable template, which are set opposite to each other. A cooling interlayer is provided on the side wall of the fixed template. The bottom of the cooling interlayer is connected to the air-cooling component, and the top of the cooling interlayer is connected to an exhaust pipe.

2. The rapid cooling device for an injection molding machine according to claim 1, characterized in that: The conveying assembly includes a motor and two rollers, which are rotatably connected to both ends inside the cooling box. One of the rollers is connected to the motor via a transmission assembly, and the two rollers are connected via a ring-shaped conveyor chain plate. A rack is located diagonally above the conveyor chain plate, and several external tooth slewing bearings are equidistantly distributed along the circumference of the conveyor chain plate, with the inner ring of the external tooth slewing bearings fixedly connected to the conveyor chain plate.

3. The rapid cooling device for an injection molding machine according to claim 2, characterized in that: The cooling box has a feed inlet at the top and a discharge outlet at the bottom. The feed inlet and discharge outlet are located at the two ends of the conveying assembly, and the moving template and the fixed template are located on both sides of the feed inlet.

4. The rapid cooling device for an injection molding machine according to claim 1, characterized in that: The air-cooling assembly includes a cooler, which is connected to the cooling jacket through a first connecting pipe. The cooler is also connected to a cooling pipe along the length of the cooling box through a second connecting pipe. The cooling pipe is located above the conveying assembly and is fixedly connected to the inner wall of the cooling box. Air jet holes are provided on the side wall of the cooling pipe.

5. A rapid cooling device for an injection molding machine according to claim 1, characterized in that: A vertically installed mounting plate is fixedly connected to the top of the cooling box, and a horizontally installed telescopic component is fixedly connected to one side of the mounting plate. The telescopic end of the telescopic component is fixedly connected to the movable template.

6. A rapid cooling device for an injection molding machine according to claim 4, characterized in that: A first valve is installed on the first connecting pipe.

7. A rapid cooling device for an injection molding machine according to claim 4, characterized in that: A second valve is installed on the second connecting pipe.

8. A rapid cooling device for an injection molding machine according to claim 1, characterized in that: The cooling box is wrapped with an insulation layer.

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