Casting mold with preheating function

Abstract

The utility model belongs to the technical field of casting molds, and particularly relates to a casting mold with a preheating function, which comprises a body, a mold is arranged at the upper end of the body, a mold core is integrally formed in the mold, and a plurality of conduction plates distributed in parallel are arranged at the bottom of the mold core. An air inlet and an air outlet which are located in the mold are formed in the two ends of a gap between every two adjacent conduction plates correspondingly, and when the fan module works, heat is taken away from the bottom of the mold core; it can be understood that the movable heat exchange plate is used for transferring heat between the heating plate and the mold core, the heat exchange plate ascends to make contact with the mold core for preheating after being heated, and then descends to be heated again after preheating is completed; meanwhile, the conduction plate and the fan module are matched for heat dissipation, a heating channel and a heat dissipation channel are isolated, heat loss is reduced, and the energy-saving effect of efficient preheating and cooling is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to casting mould technical field, especially, relate to a kind of casting mould with preheating function. BACKGROUND

[0002] Aluminum casting mould is the key tool for producing aluminum parts, its type includes gravity casting mould, high-pressure die casting mould (for complex precision parts such as automobile parts), low-pressure casting mould (for high-density parts such as wheel hub) and sand casting mould (for small batch production). Mould material is usually selected from heat-resistant, heat fatigue-resistant hot work die steel (such as H13) or low-cost medium-low alloy steel, and is assisted by nitriding, chrome plating and other surface treatments to improve service life, the mould needs to be preheated to ensure production efficiency and casting quality when used;

[0003] To achieve preheating effect and rapid solidification after casting, heating rods and water cooling pipelines are arranged in the existing casting mould, and the energy loss is high in actual use, and a large reverse temperature needs to be overcome during preheating or cooling.

[0004] To solve the above problems, a casting mould with preheating function is provided in the present application. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of casting mould with preheating function, solve the problem raised in the above background.

[0006] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a kind of casting mould with preheating function, including body, the body upper end is equipped with mould, the mould is integrally formed with mould core, the mould core bottom is equipped with the parallel distribution of several conduction plates, the gap between adjacent conduction plates is respectively provided with air inlet and exhaust port located in mould, when fan module works, heat is taken away from the bottom of mould core.

[0008] The heating plate is fixed in the lower end of the mould, the heating plate is equipped with heat exchange plate that absorbs the heat of heating plate, the mould is equipped with lifting mechanism that drives heat exchange plate and heating plate or mould core to adhere, the heat of heating plate is conducted to mould core by the lifting of heat exchange plate.

[0009] Further, the heating plate upper end is equipped with the parallel distribution of several heat conduction strips, the inner side of heat exchange plate is equipped with heat exchange groove with open bottom and can be inserted with heat conduction strip.

[0010] Further, when the heat exchange groove is inserted with heat conduction strip, heat exchange plate is lower than air inlet and exhaust port and forms channel for heat dissipation directly above.

[0011] Further, the heat exchange plate is provided with heat exchange strips arranged in parallel and capable of being inserted into the conducting plate, and the heat exchange groove is located inside the heat exchange strip.

[0012] Further, the fan module is fixed outside the body and located outside the air inlet, and when the fan module is started, the external air enters from the air inlet and flows through the bottom of the mold core and the conducting plate, and then flows out from the air outlet.

[0013] Further, the lifting mechanism comprises a gear plate fixed on the side surface of the heat exchange plate and a gear rotatably installed in the mold and engaged with the gear plate, the side surface of the gear is connected with a transmission rod through a bevel gear set, and the mold is provided with a driving motor driving the transmission rod.

[0014] Further, the bottom of the mold is provided with an opening and fixed with a base, and the base is in contact with the bottom of the heating plate.

[0015] The utility model has the following beneficial effects:

[0016] The heat exchange plate is used for energy exchange between the heating plate and the mold core, and when the heat exchange plate is heated by the heating plate, it moves up to be attached to the bottom of the mold core, thereby being preheated, the heat of the heat exchange plate can meet the preheating requirement, and after preheating, the heat exchange plate moves down to be heated again, at this time, the conducting plate cooperates with the fan module to dissipate heat, and the heating plate and the heat dissipation channel are isolated, thereby reducing the heat offset caused by the working of the two, and the energy saving purpose can be achieved while ensuring preheating and cooling.

[0017] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the overall appearance structure schematic diagram of the utility model;

[0020] Figure 2 It is Figure 1 It is the structure schematic diagram of side view;

[0021] Figure 3 It is the structure schematic diagram of side view half section when the heat exchange plate contacts the heating plate;

[0022] Figure 4 For Figure 3 The structure schematic view of the heat exchange plate in contact with the bottom of the mold core and the conduction plate and blocking the air inlet and outlet;

[0023] Figure 5 The structure schematic view of the half view of the main view when the heat exchange plate is in contact with the heating plate;

[0024] Figure 6 The structure schematic view of the split of the utility model;

[0025] In the drawings, the component list represented by each sign is as follows:

[0026] In the drawings: 1, the body; 11, the mold; 111, the mold core; 112, the conduction plate; 113, the air inlet; 114, the air outlet; 12, the base; 2, the heating plate; 21, the heat conduction strip; 3, the heat exchange plate; 31, the heat exchange strip; 32, the heat exchange groove; 4, the lifting mechanism; 41, the toothed plate; 42, the gear; 43, the transmission rod; 44, the drive motor; 5, the fan module. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] In the description of the utility model, it is understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0029] Please refer to Figure 1 - Figure 6 As shown in the drawings, the utility model is a casting mold with preheating function, which comprises a body 1, the upper end of the body 1 is provided with a mold 11, the mold 11 is integrally formed with a mold core 111, the bottom of the mold core 111 is provided with a plurality of conduction plates 112 arranged side by side, the gap between adjacent conduction plates 112 is provided with an air inlet 113 and an air outlet 114 located in the mold 11 at both ends, when the fan module 5 works, the heat is taken away from the bottom of the mold core 111, at this time, the heat exchange plate 3 is attached to the heating plate 2, and the conduction plate 112 plays a role in accelerating the heat dissipation effect of the mold core 111;

[0030] The lower end inside the mold 11 is fixed with a heating plate 2, and the heating plate 2 cooperates with the temperature control system, adopts closed loop feedback control, its principle is to monitor the heating plate temperature in real time through temperature sensor (such as thermocouple, thermistor), and transmit the signal to the temperature controller, then the temperature controller compares the detected actual temperature with the user set value, calculates the error, the sensor continuously monitors the temperature, and the temperature controller cyclically corrects the output to form dynamic balance, and finally stabilizes in the target temperature range, at the same time, the temperature controller generates an adjusting signal (such as PWM, relay on-off) through PID control algorithm (or other control mode), drives the actuator (such as solid state relay, thyristor) to adjust the heating plate power, so that the temperature approaches the set value, further, the upper end of the heating plate 2 is provided with a heat exchange plate 3 which absorbs the heat of the heating plate 2, and the mold 11 is provided with a lifting mechanism 4 which drives the heat exchange plate 3 to be attached to the heating plate 2 or the mold core 111, the heat of the heating plate 2 is conducted to the mold core 111 through the lifting of the heat exchange plate 3, the heat exchange plate 3 can fully absorb the heat when it contacts with the heating plate 2, the heat exchange plate 3 can preheat the mold core 111 after contacting with the mold core 111, and the heat exchange plate 3 contacts with the conduction plate 112, at this time, the conduction plate 112 plays a role in accelerating heat conduction.

[0031] Wherein, the upper end of the heating plate 2 is provided with a plurality of heat conduction strips 21 arranged side by side, the inner side of the heat exchange plate 3 is provided with a heat exchange groove 32 with an open bottom and capable of being inserted into the heat conduction strip 21, the heat conduction strip 21 and the heat exchange groove 32 are inserted into each other, the contact area is large, and the heat of the heating plate 2 can be quickly conducted to the heat exchange plate 3.

[0032] Wherein, when the heat exchange groove 32 is inserted into the heat conduction strip 21, the heat exchange plate 3 is lower than the air inlet 113 and the air outlet 114 and a channel for heat dissipation is formed directly above, the height difference between the heat exchange plate 3 and the air inlet and outlet can reduce the heat loss on the upper surface of the heat exchange plate 3 when the fan module 5 works, and reduce energy loss.

[0033] Wherein, the upper end of the heat exchange plate 3 is provided with a heat exchange strip 31 arranged side by side and capable of being inserted into the conduction plate 112, the heat exchange groove 32 is located inside the heat exchange strip 31, the contact area is large after the conduction plate 112 is inserted into the heat exchange strip 31, so that the heat of the heat exchange plate 3 can be quickly conducted to the mold core 111, so as to achieve the preset preheating effect, when the heat exchange strip 31 is inserted into the conduction plate 112, the heat exchange plate 3 blocks the air inlet 113 and the air outlet 114, and the heat exchange plate 3 blocks the air duct after moving upward, so as to avoid energy loss caused by air flow through the mold 11.

[0034] The fan module 5 is fixed outside the body 1 and is arranged outside the air inlet 113, when the fan module 5 is started, the external air is brought into from the air inlet 113 and flows through the bottom of the die core 111 and the conducting plate 112, and then flows out from the air outlet 114, the bottom of the air inlet 113 is provided with a chamfer for increasing the air inlet range, the flow rate of the air in the die 11 is increased, the bottom of the die core 111 and the conducting plate 112 are all arranged in the air flow channel, and finally the heat dissipation of the die core 111 is achieved.

[0035] The lifting mechanism 4 comprises a toothed plate 41 fixed on the side of the heat exchange plate 3 and a gear 42 rotatably arranged in the die 11 and engaged with the toothed plate 41, the gear 42 is connected with a transmission rod 43 through a bevel gear set on the side, the die 11 is externally provided with a driving motor 44 for driving the transmission rod 43, as shown in the figure. Figure 6 The gear 42 is arranged on both sides of the heat exchange strip 31 and two gears 42 are arranged on each side, the two gears 42 on the same side are connected through a transmission shaft, and then the two transmission shafts are connected with the transmission rod 43 through a bevel gear set, when the driving motor 44 works, the gears 42 on both sides are driven to rotate synchronously through the transmission rod 43.

[0036] The bottom of the die 11 is provided with an opening and is fixed with a base 12, the base 12 is in contact with the bottom of the heating plate 2, the base 12 is fixed with the die 11 through bolts, and the base 12 also supports the internal heating plate 2.

[0037] It can be understood that the heat exchange plate is used for transferring heat between the heating plate and the die core, the heat exchange plate is heated to contact the die core for preheating, and then is lowered to be heated again, meanwhile, the conducting plate is matched with the fan module for heat dissipation, the heating and heat dissipation channels are isolated, the heat loss is reduced, the energy-saving effect of efficient preheating and cooling is realized.

[0038] One specific application of the embodiment is that the heating plate 2 is connected with a temperature control system, the temperature is adjusted through the temperature control system, as shown in the figure. Figure 3 The heating plate 2 is completely attached to the lower part of the heat exchange plate 3, the heated heating plate 2 conducts heat to the heat exchange plate 3, then the heat exchange plate 3 is moved upward to the bottom of the die core 111 and the conducting plate 112 through the lifting mechanism 4, the die core 111 is preheated through the heat of the heat exchange plate 3, the die core 111 is directly casted into aluminum castings when reaching the preheating temperature, at this time, the heat exchange plate 3 is lowered to continue heating, the fan module 5 is started to work, when the fan module 5 is started to work, only the lower part of the conducting plate 112 and the die core 111 is cooled, and the temperature of the upper part in contact with the aluminum water is not affected, the aluminum castings are still in a high-temperature state after being formed, at this time, the fan module 5 has been pre-cooled, the rotating speed of the fan module 5 is accelerated, the heat is quickly taken away from the bottom of the die core 111 and the conducting plate 112, so that the aluminum castings in the die core 111 are cooled.

[0039] As shown in the figure. Figure 5The heat exchange plate 3 is shown below the air inlet 113 and the air outlet 114 after being in contact with the heating plate 2, so the influence of the fan module 5 on the heat exchange plate 3 is small when the fan module 5 is working, and the heat exchange plate 3 is not changed in position during the demolding process of the aluminum casting, the fan module 5 stops working, the heat exchange plate 3 can be fully heated to the preset temperature, and then the mold core 111 is preheated again by moving upward, so as to realize continuous casting of the aluminum casting by repeating the work;

[0040] Wherein the use of the lifting mechanism 4: the driving motor 44 drives the transmission rod 43 to rotate after starting, the transmission rod 43 drives the four gears 42 to rotate through the conical gear set and the transmission shaft, and the gears 42 drive the heat exchange plate 3 to move upward or downward in the body 1 through the meshing with the toothed plate 41.

[0041] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the above disclosed utility model are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A casting mold with a preheating function, comprising a body (1), wherein a mold (11) is provided at the upper end of the body (1), and a mold core (111) is integrally formed in the mold (11), characterized in that: The bottom of the mold core (111) is provided with several conductive plates (112) arranged in parallel. At the two ends of the gap between adjacent conductive plates (112), an air inlet (113) and an exhaust outlet (114) are respectively provided in the mold (11). When the fan module (5) is working, the heat is carried away from the bottom of the mold core (111). A heating plate (2) is fixedly installed at the lower end of the mold (11). A heat exchange plate (3) is provided at the upper end of the heating plate (2) to absorb the heat of the heating plate (2). A lifting mechanism (4) is provided in the mold (11) to drive the heat exchange plate (3) to fit with the heating plate (2) or the mold core (111). The heat of the heating plate (2) is transferred to the mold core (111) by the lifting of the heat exchange plate (3).

2. A casting mold with preheating function according to claim 1, characterized in that: The heating plate (2) has several heat-conducting strips (21) arranged in parallel at the upper end, and the heat exchange plate (3) has a heat exchange groove (32) with an open bottom that can be inserted into the heat-conducting strips (21) on the inner side.

3. A casting mold with preheating function according to claim 2, characterized in that: When the heat exchange tank (32) is inserted with the heat conduction strip (21), the heat exchange plate (3) is lower than the air inlet (113) and the exhaust port (114) and a heat dissipation channel is formed directly above it.

4. A casting mold with preheating function according to claim 2, characterized in that: The heat exchange plate (3) has heat exchange strips (31) arranged in parallel at the upper end and capable of being inserted into the conduction plate (112). The heat exchange groove (32) is located inside the heat exchange strip (31). When the heat exchange strip (31) is inserted into the conduction plate (112), the heat exchange plate (3) blocks the air inlet (113) and the exhaust port (114).

5. A casting mold with preheating function according to claim 1, characterized in that: The fan module (5) is fixed on the outside of the main body (1) and placed outside the air inlet (113). When the fan module (5) is started, it drives the outside air to enter from the air inlet (113) and flow through the bottom of the core (111) and the guide plate (112), and then flows out from the exhaust port (114).

6. A casting mold with preheating function according to claim 1, characterized in that: The lifting mechanism (4) includes a toothed plate (41) fixed on the side of the heat exchange plate (3) and a gear (42) rotatably installed inside the mold (11) and meshing with the toothed plate (41). The gear (42) is connected to a transmission rod (43) via a bevel gear set on its side. The mold (11) is provided with a drive motor (44) that drives the transmission rod (43).

7. A casting mold with preheating function according to claim 1, characterized in that: The bottom of the mold (11) is open and a base (12) is fixed thereon. The base (12) is in contact with the bottom of the heating plate (2).

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