High-efficient cooling device of plastic mold
Technical Field
The utility model relates to the technical field of mold cooling devices, in particular to a high-efficiency cooling device for a plastic mold.
Background
The plastic product is one of common products in our lives, and has the advantages of light weight, high strength and the like, and the plastic product is generally produced by injecting heated and melted plastics into a mold cavity from an injection molding machine in an injection molding mode, and obtaining a formed product after cooling and solidification.
In the prior art, the existing cooling device is only cooled through single air cooling, and the temperature of the injection mold is higher, so that the cooling process is extremely long, the cooling efficiency is extremely low, the processing efficiency is greatly influenced, and the processing efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an efficient cooling device for a plastic mold.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a high-efficient cooling device of plastic mold, includes that the cross-section is device main part and the mould of opening character cut in bas-relief shape up, the mould sets up in the recess of device main part, the cavity has been seted up in the device main part, the device main part runs through the bearing and rotates and be connected with the axis of rotation, device main part lateral wall has driving motor through the scaffold weldment, the axis of rotation be located the outside one end of device main part with driving motor's output welds, one section interference fit that the axis of rotation is located the cavity has two gears, sealed slip has cup jointed two sliding plates in the cavity, two the lateral wall of the relative one side of sliding plate has all welded two racks, two the welding has a plurality of spliced poles between the sliding plate, gear and the rack toothing who corresponds.
Preferably, the device main part runs through fixedly connected with intake pipe, intake pipe one end runs through and extends to in the cavity, and the other end runs through and extends to the device main part is outside, venthole, jet-propelled groove have been seted up in the device main part, the venthole intercommunication jet-propelled groove and cavity, a plurality of through-holes have been seted up in the device main part lateral wall.
Preferably, device main part lower surface welding has the liquid tank, the liquid tank intussuseption is filled with the coolant liquid, the device main part runs through fixedly connected with feed liquor pipe, circulating pipe jointly with the liquid tank, feed liquor pipe one end runs through and extends to the liquid incasement, and the other end runs through and extends to in the cavity, circulating pipe one end runs through and extends to the liquid incasement, and the other end runs through and extends to in the cavity, one section snake shape that the circulating pipe is located device main part recess spirals on the mould surface.
Preferably, a plurality of heat radiation fins have all been welded with the lateral wall to the liquid tank inside wall, the liquid tank runs through the rotation jointly with the device main part and is connected with the dwang, one section of dwang runs through and extends to in the cavity and interference fit has second bevel gear, and one section interference fit that the axis of rotation is located the cavity has first bevel gear, and the other end runs through and extends to in the liquid tank, first bevel gear and second bevel gear meshing, one section welding that the dwang is located the liquid tank has a plurality of stirring leaves.
Preferably, the air inlet pipe, the air outlet hole, the liquid inlet pipe and the circulating pipe are all provided with one-way valves, and a bearing between the rotating shaft and the device main body is a sealing bearing.
Preferably, the size of the first bevel gear is larger than that of the second bevel gear, and the rotating rod is in penetrating and rotating connection with the device body and the liquid tank through sealed bearings.
Compared with the prior art, the utility model has the advantages that:
1. the driving motor drives the gear to rotate, so that the gear is meshed with the upper rack and the lower rack respectively, the two sliding plates are driven to do continuous reciprocating motion, the sliding plate on the left side cannot do reciprocating motion to blow air to the mold, air flowing is accelerated to perform air cooling, the sliding plate on the right side drives cooling liquid to circulate, heat of the mold is taken away through the cooling liquid to perform water cooling, and the air cooling and the water cooling are matched to accelerate cooling of the mold, so that the cooling efficiency is higher, and the processing efficiency is greatly improved;
2. through storing up the lateral wall at the liquid tank and setting up heat radiation fins, increase cooling and external area of contact, simultaneously, through the meshing of first bevel gear and second bevel gear, drive the dwang and rotate to through the continuous stirring coolant liquid of stirring leaf on the dwang, increase its and heat radiation fins's contact, thereby better make the coolant liquid heat dissipation, provide better water-cooling radiating effect.
Drawings
FIG. 1 is a schematic structural diagram of an efficient cooling device for plastic molds according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a partial sectional view at B-B in fig. 1.
In the figure: the device comprises a device body 1, a cavity 2, a driving motor 3, a rotating shaft 4, a gear 5, a rack 6, a sliding plate 7, a connecting column 8, an air inlet pipe 9, an air outlet hole 10, an air jet groove 11, a through hole 12, a liquid tank 13, a liquid inlet pipe 14, a circulating pipe 15, a heat radiating fin 16, a first bevel gear 17, a second bevel gear 18, a rotating rod 19, a stirring blade 20 and a mold 101.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a high-efficiency cooling device for plastic molds comprises a device main body 1 and a mold 101, the cross section of which is in a shape of a Chinese character 'ao' with an upward opening, the mold 101 is arranged in a groove of the device main body 1, a cavity 2 is arranged in the device main body 1, the device main body 1 is connected with a rotating shaft 4 in a penetrating and rotating manner through a bearing, a driving motor 3 is welded on the outer side wall of the device main body 1 through a bracket, one end of the rotating shaft 4, which is positioned outside the device main body 1, is welded with the output end of the driving motor 3, two gears 5 are in interference fit with one section of the rotating shaft 4, which is positioned in the cavity 2, two sliding plates 7 are sleeved in a sealing and sliding manner in the cavity 2, two racks 6 are welded on the side wall of the opposite side of the two sliding plates 7, a plurality of connecting columns 8 are welded between the two sliding plates 7, the gears 5 are meshed with the corresponding racks 6, as shown in fig. 2, the gears 5 are incomplete gears, two racks 6 of the 7 lateral walls of left side sliding plate are located above the gear 5, two racks 6 of the 7 lateral walls of right side sliding plate are located below the gear 5, thereby make the gear 5 in the process of anticlockwise rotation, at first with the meshing of the rack 6 below, thereby drive the sliding plate 7 on right side to move rightwards, the sliding plate 7 on right side drives the sliding plate 7 on left side to move together through the connecting column 8, and when rotating to gear 5 and meshing of the rack 6 on top, drive the sliding plate 7 on left side to move leftwards at this moment, the sliding plate on left side drives the sliding plate 7 on right side to move leftwards through the connecting column 8, thereby realize the reciprocating motion about two sliding plates 7.
Device main part 1 runs through fixedly connected with intake pipe 9, and 9 one end of intake pipe runs through and extends to in cavity 2, and the other end runs through and extends to 1 outsides of device main part, has seted up venthole 10, jet-propelled groove 11 in the device main part 1, and venthole 10 intercommunication jet-propelled groove 11 and cavity 2 have seted up a plurality of through-holes 12 in the device main part 1 lateral wall.
The welding of 1 lower surface of device main part has liquid tank 13, liquid tank 13 intussuseption is filled with the coolant liquid, device main part 1 and liquid tank 13 run through fixedly connected with feed liquor pipe 14 jointly, circulating pipe 15, feed liquor pipe 14 one end runs through and extends to in liquid tank 13, the other end runs through and extends to in the cavity 2, circulating pipe 15 one end runs through and extends to in liquid tank 13, the other end runs through and extends to in the cavity 2, one section snake shape dish that circulating pipe 15 is located 1 recess of device main part spirals on mould 101 surface.
A plurality of heat radiation fins 16 are welded on the inner side wall and the side wall of the liquid tank 13, the liquid tank 13 and the device main body 1 are jointly penetrated through and rotated to be connected with a rotating rod 19, one section of the rotating rod 19 is penetrated through and extended into the cavity 2 and is provided with a second bevel gear 18 in an interference fit mode, one section of the rotating shaft 4 which is positioned in the cavity 2 is provided with a first bevel gear 17 in an interference fit mode, the other end is penetrated through and extended into the liquid tank 13, the first bevel gear 17 is meshed with the second bevel gear 18, and one section of the rotating rod 19 which is positioned in the liquid tank 13 is welded with a plurality of stirring blades 20.
The air inlet pipe 9, the air outlet hole 10, the liquid inlet pipe 14 and the circulating pipe 15 are all internally provided with one-way valves. The check valve in the air inlet pipe 9 only allows outside air to enter the cavity 2 from the air inlet pipe 9, the check valve in the air outlet hole 10 only allows air to enter the air outlet hole 2 from the cavity 2, the liquid inlet pipe 14 only allows cooling liquid to enter the liquid inlet pipe 14 from the liquid tank 13, the check valve in the circulating pipe 15 only allows cooling liquid to enter the circulating pipe 15 from the cavity 2, and therefore when the two sliding plates 7 reciprocate, the outside air can be continuously pumped into the cavity 2 and then into the air outlet hole 10, the cooling liquid in the liquid tank 13 is pumped into the cavity 2 and then into the circulating pipe 15, a bearing between the rotating shaft 4 and the device main body 1 is a sealing bearing, and the sealing bearing avoids air and liquid leakage at the joint of the bearing.
First bevel gear 17's size is greater than second bevel gear 18's size for first bevel gear 17 drives the faster rotation of second bevel gear 18, thereby makes dwang 19 drive the faster rotation of stirring leaf 20, thereby the faster stirring, and dwang 19 and device main part 1, liquid tank 13 all run through the rotation through sealed bearing and are connected, avoid liquid to leak from the bearing junction.
In the utility model, after injection molding is finished, the mold is opened, the driving motor 3 is started simultaneously, the output shaft of the driving motor 3 drives the rotating shaft 4 to rotate, so that the gear 5 in interference fit with the rotating shaft 4 rotates, and the two sliding plates 7 reciprocate left and right in the cavity 2 through the respective meshing of the gear 5 and the two racks 6 above and below and the connection of the connecting column 8;
when the sliding plate 7 on the left side reciprocates, external air is continuously sucked into the cavity 2 from the air inlet pipe 9, pumped into the air injection groove 11 through the air outlet hole 11 and sprayed to the mold 101, and flows out of the device main body from the through hole 12 after passing through the mold 101, so that air flow is formed and air cooling and heat dissipation are performed on the mold 101;
when the sliding plate 7 on the right side reciprocates, the cooling liquid in the liquid tank 13 is pumped into the cavity 2 through the liquid inlet pipe 14 without alignment, then the cooling liquid is pumped into the circulating pipe 15, circulates along the surface of the mold 101, takes away the heat of the mold, and then flows back into the liquid tank 13, so that the mold 101 is cooled by the circulating cooling liquid, and the cooling efficiency is greatly improved by the cooperation of water flow and air cooling;
meanwhile, the rotating shaft 4 drives the first bevel gear 17 in interference fit with the rotating shaft to rotate while rotating, so that the second bevel gear 18 meshed with the first bevel gear 17 rotates, the second bevel gear 18 drives the rotating rod 19 in interference fit with the rotating shaft to rotate, the stirring blade 20 is driven to rotate through the rotating rod 19, the cooling liquid is continuously stirred, and the cooling of the cooling liquid is accelerated through the arrangement of the heat dissipation fins 16, so that a better water cooling effect is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.