CN208712827U - A kind of 3 D-printing die casting cooling structure - Google Patents

Abstract

The utility model provides a kind of 3 D-printing die casting cooling structure, including die ontology, multiple type chamber cooling circuits, water pump, recovery tank and cooler bin；Type chamber cooling circuit includes cooling general pipeline and cooling branch pipe, and cooling branch pipe is arranged with the shape with type chamber；Cooling general pipeline includes biggish first cooling tube of caliber and lesser second cooling tube of caliber, and each cooling general pipeline is separately connected cooler bin and recovery tank；Water pump passes through piping connection recovery tank and cooler bin；Shaft and multiple blade rotary wheels being fixed in shaft are equipped in cooler bin；Blade rotary wheel includes that wheel case and multiple wheels that are fixed on cover upper blade, blade rotary wheel includes the first runner and the second runner, first runner is set to the lower section of the first cooling tube, and the second runner is set to the lower section of the second cooling tube, and the number of blade of the first runner is more than the number of blade of the second runner.The utility model can meet requirement of the different cooling circuits to water supply and water temperature, realize the thermal balance inside 3 D-printing die casting.

Description

A kind of 3 D-printing die casting cooling structure

Technical field

The utility model belongs to 3 D-printing die casting technical field, and in particular to a kind of 3 D-printing die casting is cold But structure.

Background technique

Die casting machine be it is a kind of under the effect of the pressure, molten metal liquid injection is cooled and shaped into mold, after die sinking Obtain a kind of Casting Equipment of solid metal casting.Usual casting has aluminium alloy, magnesium alloy, kirsite etc..In Die Casting mistake Cheng Zhong, metal melting state temperature is higher, at 500~700 degree.Wherein die casting is one used in this production process A tool, die casting can have the temperature difference cycle of a cooling thermal impact, i.e., from the room temperature state before production into Die Casting 700 degree of highest critical-temperature, and to volume production die casting circulation in more than 200 spend.Temperature change on die casting is very Big, therefore the thermal balance of mold is even more important for die casting.

In common process technique, the cooling water channel of die casting, be in line state, and cooling water channel can not be bonded completely The structure of product type chamber is arranged.Its thermal balance effect is generally very poor, influences the production efficiency and production yield of product.By high temperature During in metal liquid injection to mold cavity, very big cooling thermal impact is generated to mold.Therefore, the utility model is ground The structure for the 3 D-printing die casting studied carefully cooling circuit and type chamber can be arranged with the shape on cooling structure, cold to increase But the contact area of pipeline and type chamber.However since cavity structure is mostly irregular structure, and also there is knot between each type chamber Structure difference causes the structure of each cooling branch and pipe diameter size also different, thus the pipe of the cooling general pipeline of each cooling circuit Diameter is different, simultaneously as the length of each cooling circuit and series and parallel structure difference, also result in cooling circuit to water temperature requirement Difference；And cooling water tank be to the water supply and supply water temperature of each cooling circuit it is identical, which results in cooling waters Case is unable to satisfy the demand of each cooling circuit, affects the thermal balance of mold, and the utility model is intended to solve the above problems, And utility model goes out 3 D-printing die casting cooling structure.

Utility model content

The purpose of the utility model is to provide a kind of 3 D-printing die casting cooling structures, can meet different cool back The thermal balance inside 3 D-printing die casting is realized in requirement of the road to water supply and water temperature.

The utility model provides the following technical solution:

A kind of 3 D-printing die casting cooling structure, including die ontology, cooling circuit, water pump, recovery tank and cooling Case；Multiple type chambers are equipped in die ontology；The quantity of cooling circuit be it is multiple, cooling circuit includes type chamber cooling circuit, each Type chamber cooling circuit includes the cooling branch pipe that cooling general pipeline and at least two is connected in parallel, and each cooling branch pipe is separately connected cooling total Pipe, cooling branch pipe are arranged with the shape with type chamber；Cooling general pipeline includes that biggish first cooling tube of caliber and caliber lesser second are cold But it manages, the both ends of each cooling general pipeline are separately connected cooler bin and recovery tank；Water pump passes through piping connection recovery tank and cooler bin, will Cooling water in recovery tank is pumped into cooler bin again；For cooling after the cooling water radiating and cooling that cooler bin is used to for water pump being sent into Circuit re-uses, and a horizontal shaft and multiple blade rotary wheels being fixed in shaft, blade rotary wheel are equipped in cooler bin Positioned at the lower section of cooling general pipeline, and each blade rotary wheel corresponds respectively to each cooling general pipeline；Blade rotary wheel includes being sheathed on Wheel case and multiple wheels that are fixed in shaft cover upper blade, and blade rotary wheel includes the first runner and the second runner, the first runner It is set to the lower section of the first cooling tube, the second runner is set to the lower section of the second cooling tube, and the number of blade of the first runner is more than the The number of blade of two runners；Cooler bin is externally provided with driving motor, and driving motor connects shaft, driving motor can drive shaft rotation, Shaft band movable vane piece also rotates with it, and is pumped into the cooling water of cooler bin by water pump and blade collides, cooling water is broken up, made by blade The area that cooling water is contacted with air is bigger, so that the cooling effect to cooling water is more preferable；Blade high speed rotation in cooler bin Air cooling effect is formed, while being cooled down to cooling water, the cooling water after cooling is continuously fed under the centrifugal action of blade In cooling general pipeline；The number of blade of first runner is more than the number of blade of the second runner, therefore, in the case where the shaft of same rotating speed drives, First runner is bigger than the air quantity generated in the second runner unit time, and contact frequency of the blade of the first runner with cooling water Rate and contact area are bigger, therefore the water temperature of cooling water that conveys to the first cooling tube of blade rotary wheel is than the water temperature of the second cooling tube It is lower, requirement of the different cooling circuits to water temperature is met, the thermal balance inside die casting is realized.

Preferably, blade is equipped with several water holes, and the part cooling water being pumped into cooler bin may pass through a blade On water hole, form the water droplet of small size, then with adjacent blade high velocity impact, and then broken up, form smaller volume Water droplet increases the atomizing effect to cooling water, improves the cooling efficiency of cooling water.

Preferably, the density of the water hole on the blade of the first runner is greater than the close of the water hole on the blade of the second runner Degree, further reduced the cooling water temperature into the first cooling tube.

Preferably, blade rotary wheel and shaft are detachably connected, when the arrangement position of the first cooling tube and the second cooling tube When change, the position of blade rotary wheel is removed and is changed, adapts it to the variation of the first cooling tube and the second cooling tube arrangement position, That is the lower section that the first runner is set to the first cooling tube always, the second runner are set to the lower section of the second cooling tube always, improve The flexibility that the utility model uses.

Preferably, the first cooling tube and the second cooling tube are in the aligned on top of cooler bin at a cooling tube group, cooling tube group Orientation it is parallel with shaft and be located at shaft surface, so that the first cooling tube and the second cooling tube be made steadily to connect Receive the cooling water of blade conveying.

Preferably, the utility model is additionally provided with the water inlet pipe of up-side down triangle, and the both ends of water inlet pipe are separately connected water pump and cold But the top of case, water inlet pipe is equipped with flat nozzle；The bottom of cooler bin is equipped with the water inlet of "-" type, and water inlet, which is parallel to, to be turned Axis setting, water inlet are located at the underface of shaft, and nozzle is installed in water inlet.Flat nozzle and water inlet, it is possible to increase into Enter the pressure of the cooling water in cooler bin, and then enhance the impact force between cooling water and blade, makes connecing for cooling water and air Contacting surface product is bigger, can further decrease water temperature.The water inlet of "-" type is located at the underface of shaft, also improves water inlet to each The harmony that a blade rotary wheel supplies water, even if thicker the first cooling tube of caliber is located at left end or the right end of cooling tube group, It can get enough water supplies.

Preferably, the utility model further includes controller, and controller connects driving motor, and controller can control driving motor Drive shaft alternately and repeatedly rotates and reverse, thus make shaft band movable vane piece also rotate and reverse therewith, blade alternate just Turn and reversion, the flow direction of changeable cooling water make cooling water form turbulent flow, further improve the uniform of cooler-water temperature Property；It rotates and reverse to blade alternate, leaf of the cooling water by alternate rotation of bottom is partially dropped down onto because of centrifugal force and gravity The lifting force of piece and move upwards again, to increase the water supply to the first cooling tube and the second cooling tube, reduce nothing Imitate water supply.

Preferably, type chamber includes plate-like type chamber and hollow tubular-type chamber, and cooling branch pipe includes wrap up plate-like type chamber the One cooling branch pipe, the second cooling branch pipe intracavitary with tubular-type is embedded in.First cooling branch pipe and the second cooling branch pipe increase cooling The contact area of water and type chamber, improves cooling effect.

Preferably, cooling circuit further includes the outer wall cooling circuit for surrounding die ontology outer wall, and outer wall cooling circuit is to mould The outer wall of tool ontology is cooled down.

Preferably, several radiating fins are additionally provided on die ontology, radiating fin is by heat in die ontology and empty Gas carries out heat exchange, further improves the heat dissipation effect of die ontology.

The beneficial effects of the utility model are:

1, the blade rotary wheel that the utility model is arranged shaft in cooler bin and is installed in shaft, when blade rotary wheel rotates Air cooling effect is formed, it can be effectively to cooling water temperature；It is broken up after high velocity impact between cooling water and blade, increases cooling The contact area of water and air further improves cooling efficiency.

2, the first runner and the second runner respectively correspond the first cooling tube and the second cooling tube, and the pipe of the first cooling tube Diameter is greater than the caliber of the second cooling tube, and the number of blade of the first runner is more than the number of blade of the second runner, therefore, in same rotating speed Under shaft drives, the first runner is bigger than the air quantity generated in the second runner unit time, and the first runner is to the first cooling tube Water supply is also bigger；And the blade of the first runner and the contact frequency of cooling water and contact area are bigger, therefore blade rotary wheel It is lower than the water temperature of the second cooling tube to the water temperature of the cooling water of the first cooling tube conveying, to meet different cooling circuits Requirement to water supply and water temperature realizes the thermal balance inside die casting.

3, blade is equipped with several water holes, and the part cooling water being pumped into cooler bin may pass through the mistake on a blade Water hole, forms the water droplet of small size, then with adjacent blade high velocity impact, and then broken up, form the water droplet of smaller volume, increase Add the atomizing effect to cooling water, improves the cooling efficiency of cooling water.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the die ontology of the utility model and the structural schematic diagram of cooling circuit；

Fig. 2 is the structural schematic diagram of the cooling circuit of the utility model, recovery tank, water pump and cooler bin；

Fig. 3 is the structural schematic diagram of the blade rotary wheel of the utility model；

Fig. 4 is the left view schematic diagram of the cooler bin in Fig. 2.

In the figure, it is marked as 1. die ontologies；11. plate-like type chamber；12. tubular-type chamber；13. radiating fin；2. cooling circuit； 21. type chamber cooling circuit；211. cooling general pipeline；2111. the first cooling tube；2112. the second cooling tube；212. cooling branch pipes； 2121. first cooling branch pipes；2122. second cooling branch pipes；22. outer wall cooling circuit；3. water pump；4. recovery tank；5. cooler bin； 51. shaft；52. blade rotary wheel；521. wheel case；522. blade；5221. water hole；523. first runners；524. second runners； 53. water inlet；6. driving motor；7. water inlet pipe；71. nozzle；8. controller.

Specific embodiment

As shown in Figures 1 to 4, a kind of 3 D-printing die casting cooling structure, including die ontology 1, cooling circuit 2, Water pump 3, recovery tank 4 and cooler bin 5；Multiple type chambers are equipped in die ontology 1；The quantity of cooling circuit 2 is multiple, cooling circuit 2 include type chamber cooling circuit 21, and each type chamber cooling circuit 21 includes the cooling that cooling general pipeline 211 and at least two is connected in parallel Branch pipe 212, each cooling branch pipe 212 are separately connected cooling general pipeline 211, and cooling branch pipe 212 is arranged with the shape with type chamber；Each cooling general pipeline 211 both ends are separately connected cooler bin 5 and recovery tank 4；Cooling general pipeline 211 includes biggish first cooling tube 2111 of caliber and pipe Lesser second cooling tube 2112 of diameter, water pump 3 is by piping connection recovery tank 4 and cooler bin 5, by the cooling water in recovery tank 4 Again it is pumped into cooler bin 5；It is again sharp for cooling circuit 2 after the cooling water radiating and cooling that cooler bin 5 is used to for water pump 3 being sent into With being equipped with a horizontal shaft 51 and multiple blade rotary wheels 52 being fixed in shaft 51 in, cooler bin 5, blade rotary wheel 52 In the lower section of cooling general pipeline 211, and each blade rotary wheel 52 corresponds respectively to each cooling general pipeline 211；Blade rotary wheel 52 wraps The wheel case 521 being sheathed in shaft 51 and multiple blades 522 being fixed in wheel case 521 are included, multiple blades 522 are evenly distributed In in wheel case 521, blade rotary wheel 52 includes the first runner 523 and the second runner 523, and it is cooling that the first runner 523 is set to first The lower section of pipe 2111, the second runner 524 are set to the lower section of the second cooling tube 2112, and the number of blade of the first runner 523 is more than the The number of blade of two runners 524 is set there are three blade on first runner 523 in the present embodiment, and the second runner 524 sets that there are two leaves Piece；Cooler bin 5 is externally provided with driving motor 6, and driving motor 6 connects shaft 51, driving motor 6 can drive shaft 51 rotate, shaft 51 band movable vane pieces 522 rotate with it, and are pumped into the cooling water of cooler bin 5 by water pump 3 and blade 522 collides, blade 522 is by cooling water It breaks up, the area for contacting cooling water with air is bigger, so that the cooling effect to cooling water is more preferable；Blade 522 is in cooler bin 5 Interior high speed rotation forms air cooling effect, while cooling down to cooling water, centrifugal action of the cooling water after cooling in blade 522 Under be continuously fed in cooling general pipeline 211；The number of blade of first runner 523 is more than the number of blade of the second runner 524, therefore, Under the shaft of same rotating speed drives, the air quantity that 523 to the second runner of the first runner generates in 524 unit time is bigger, and the The blade of one runner 523 and the contact frequency and contact area of cooling water are bigger, therefore blade rotary wheel is to the first cooling tube 2111 The water temperature of the cooling water of conveying is lower than the water temperature of the second cooling tube 2112, meets different cooling circuits and wants to water temperature It asks, realizes the thermal balance inside die casting.

As shown in figure 3, blade 522 is equipped with several water holes 5221, the part cooling water being pumped into cooler bin can be worn Cross the water hole 5221 on a blade, form the water droplet of small size, then with adjacent blade high velocity impact, and then broken up, The water droplet for forming smaller volume, increases the atomizing effect to cooling water, improves the cooling efficiency of cooling water.

The density of water hole on first runner, 523 blade is greater than the density of the water hole on 524 blade of the second runner, into One step reduces the cooling water temperature into the first cooling tube 2111.

Blade rotary wheel 52 and shaft 51 are detachably connected, when the arrangement of the first cooling tube 2111 and the second cooling tube 2112 When position change, the position of blade rotary wheel 52 is removed and changed, adapts it to the first cooling tube 2111 and the second cooling tube 2112 The lower section that the variation of arrangement position, i.e. the first runner 523 are set to the first cooling tube 2111 always, the second runner 524 are set always It is placed in the lower section of the second cooling tube 2112, improves the flexibility that the utility model uses.

As shown in Fig. 2, the first cooling tube 2111 and the second cooling tube 2112 cooler bin 5 aligned on top at a cooling tube The orientation of group, cooling tube group is parallel with shaft 51 and is located at the surface of shaft 51, to make the first cooling tube 2111 The cooling water of the conveying of blade 522 is steadily received with the second cooling tube 2112.

As shown in Fig. 2, the present embodiment is additionally provided with the water inlet pipe 7 of up-side down triangle, the both ends of water inlet pipe 7 are separately connected water pump 3 Flat nozzle 71 is equipped with the top of cooler bin 5, water inlet pipe 7；The bottom of cooler bin 5 is equipped with the water inlet 53 of "-" type, into The mouth of a river 53 is parallel to the setting of shaft 51, and water inlet 53 is located at the underface of shaft 51, and nozzle 71 is installed in water inlet 53.It is flat Nozzle 71 and water inlet 53, it is possible to increase into the pressure of the cooling water in cooler bin 5, and then enhance between cooling water and blade Impact force, keep the contact area of cooling water and air bigger, water temperature can be further decreased.The water inlet 53 of "-" type, which is located at, to be turned The underface of axis 51 also improves the harmony that water inlet 53 supplies water to each blade rotary wheel 52, though caliber it is thicker first Cooling tube 2111 is located at left end or the right end of cooling tube group, also can get enough water supplies.

The present embodiment further includes controller 8, and controller 8 connects driving motor 6, and controller 8 can control driving motor 6 to drive Shaft 51 alternately and repeatedly rotates and reverse, so that shaft 51 be made also to rotate and reverse therewith with movable vane piece 522, blade 522 is handed over It alternately rotates and reverse, the flow direction of cooling water can be changed, so that cooling water is formed turbulent flow, further improve cooler-water temperature Uniformity；Blade 522 alternately rotates and reverse, and the cooling water of bottom is partially dropped down onto because of centrifugal force and gravity by alternately The lifting force of the blade 522 of rotation and move upwards again, to increase the water supply to the first cooling tube and the second cooling tube Efficiency reduces invalid water supply.

As shown in Figure 1, type chamber includes plate-like type chamber 11 and hollow tubular-type chamber 12, cooling branch pipe 212 includes by outside Wrap up the second cooling branch pipe 2122 in the first cooling branch pipe 2121 and insertion tubular-type chamber 12 of plate-like type chamber 11.First is cooling Branch pipe 2121 and the second cooling branch pipe 2122 increase the contact area of cooling water Yu type chamber, improve cooling effect.

Cooling circuit 2 further includes the outer wall cooling circuit 22 for surrounding 1 outer wall of die ontology, and outer wall cooling circuit 22 can be to mould The outer wall of tool ontology 1 is cooled down.

It is additionally provided with several radiating fins 13 on die ontology 1, radiating fin 13 is by the heat and air in die ontology 1 Heat exchange is carried out, the heat dissipation effect to die ontology 1 is further improved.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical Within novel protection scope.

Claims (10)

1. a kind of 3 D-printing die casting cooling structure, which is characterized in that including die ontology, cooling circuit, water pump, return water Case and cooler bin；

Multiple type chambers are equipped in the die ontology；

The quantity of the cooling circuit be it is multiple, the cooling circuit includes type chamber cooling circuit, and each type chamber cools back Road includes the cooling branch pipe that cooling general pipeline and at least two is connected in parallel, and it is total that each cooling branch pipe is separately connected the cooling Pipe, the cooling branch pipe are arranged with the shape with the type chamber；The cooling general pipeline includes multiple first cooling tubes and multiple second cold But it manages, the caliber of first cooling tube is greater than the caliber of second cooling tube, the both ends difference of each cooling general pipeline Connect the cooler bin and the recovery tank；

The water pump passes through piping connection recovery tank and cooler bin；

A horizontal shaft and multiple blade rotary wheels being fixed in the shaft, each leaf are equipped in the cooler bin Piece runner is correspondingly arranged with each cooling general pipeline respectively；The blade rotary wheel include the wheel case that is sheathed in the shaft and Multiple to be fixed on the upper blade of wheel set, the blade rotary wheel includes the first runner and the second runner, and first runner is set It is placed in the lower section of first cooling tube, second runner is set to the lower section of second cooling tube, first runner On the number of blade more than the number of blade on second runner；

The cooler bin is externally provided with driving motor, and the driving motor connects the shaft, and the driving motor can drive described Shaft rotation.

2. 3 D-printing die casting cooling structure according to claim 1, which is characterized in that if the blade is equipped with Dry water hole.

3. 3 D-printing die casting cooling structure according to claim 2, which is characterized in that the leaf of first runner The density of the water hole of on piece is greater than the density of the water hole on the blade of second runner.

4. 3 D-printing die casting cooling structure according to claim 2, which is characterized in that the blade rotary wheel and institute It is detachably connected to state shaft.

5. 3 D-printing die casting cooling structure according to claim 2, which is characterized in that multiple described first is cooling Pipe and second cooling tube the cooler bin aligned on top at a cooling tube group, the orientation of the cooling tube group with The shaft is parallel and is located at the surface of the shaft.

6. 3 D-printing die casting cooling structure according to claim 5, which is characterized in that further include up-side down triangle Water inlet pipe, the both ends of the water inlet pipe are separately connected the water pump and the cooler bin, and the top of the water inlet pipe is equipped with flat Nozzle；The bottom of the cooler bin is equipped with the water inlet of "-" type, and the water inlet is parallel to shaft setting, it is described into The mouth of a river is located at the underface of the shaft, and the nozzle is installed in the water inlet.

7. 3 D-printing die casting cooling structure according to claim 6, which is characterized in that it further include controller, institute State controller and connect the driving motor, the controller can control the driving motor drive the shaft alternately rotates forward with Reversion.

8. 3 D-printing die casting cooling structure according to claim 1, which is characterized in that the type chamber includes plate Type chamber and hollow tubular-type chamber, the cooling branch pipe include that the first cooling branch pipe of the plate-like type chamber and embedding is wrapped up by outside Enter the second intracavitary cooling branch pipe of the tubular-type.

9. 3 D-printing die casting cooling structure according to claim 8, which is characterized in that the cooling circuit also wraps Include the outer wall cooling circuit around the die ontology outer wall.

10. 3 D-printing die casting cooling structure according to claim 9, which is characterized in that on the die ontology It is additionally provided with several radiating fins.