Temperature control device for magnesium alloy die casting forming

Abstract

The invention discloses a temperature control device for magnesium alloy die casting forming, and relates to the technical field of die casting forming. Comprising a base, a die-casting die system is arranged on the base, the die-casting die system comprises a movable die and a fixed die, cooling and heating pipelines are arranged in the movable die and the fixed die, butt-joint openings are formed in the two sides of the movable die and the two sides of the fixed die respectively, and the butt-joint openings are communicated with the cooling and heating pipelines; a temperature control mechanism is arranged on the base and comprises a temperature control sliding table arranged on the temperature control mechanism in a sliding mode, a support is arranged on the temperature control sliding table, a clearing mechanism is arranged on the support, and cleaning machines are arranged on the two sides of the temperature control sliding table. Temperature control pieces are further arranged on the two sides of the temperature control sliding table respectively, and each temperature control piece comprises two cooling boxes and two hot boxes; the cooling box is used for conveying cooling liquid for cooling control; the hot box is used for conveying hot oil so as to perform heating control; the temperature of the mold can be detected in real time, temperature control adjustment can be conducted in real time, butt joint disassembly and assembly are fast, and follow-up maintenance is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of die casting forming, and in particular to a temperature control device used for magnesium alloy die casting forming. Background Art

[0002] For magnesium alloy die castings, temperature control of the die casting mold is an important link to ensure the quality and efficiency of the die casting process. The temperature of the mold directly affects the fluidity of the metal melt, the cooling rate, the surface quality of the casting and the dimensional accuracy. The importance of temperature control lies in: fluidity and filling: suitable mold temperature can improve the fluidity of the molten metal, ensure that the metal fully fills the mold, and reduce defects such as pores and cold shuts; cooling rate: mold temperature that is too high or too low will affect the cooling rate. Too fast may cause deformation of the casting, and too slow may increase the production cycle; casting quality: temperature control can improve the surface quality of the casting, reduce the risk of oxidation and discoloration, and thus improve the appearance and performance of the finished product.

[0003] The existing casting mold temperature control equipment mainly adjusts the temperature through the transmission medium during operation, but the connection method is cumbersome and not convenient for subsequent maintenance. Based on this and addressing the shortcomings of the existing temperature control equipment, the present invention proposes a temperature control device that can detect the mold temperature in real time, perform temperature control in real time, and is quick to connect and disassemble, which is convenient for subsequent maintenance. Summary of the invention

[0004] In view of the above technical problems, the present invention can detect the mold temperature in real time, perform temperature control and adjustment in real time, and is quick to connect and disassemble, which is convenient for subsequent maintenance.

[0005] The technical scheme used in the present invention is as follows: a temperature control device for magnesium alloy die-casting molding, comprising a base, a die-casting mold system is arranged on the base, the die-casting mold system comprises a movable mold and a fixed mold, cooling and heating pipelines are arranged inside the movable mold and the fixed mold, and docking ports are arranged on both sides of the movable mold and the fixed mold, and the docking ports are connected with the cooling and heating pipelines; a temperature control mechanism is arranged on the base, the temperature control mechanism comprises a temperature control slide slidably arranged thereon, a bracket is arranged on the temperature control slide, and a cleaning mechanism is arranged on the bracket for cleaning impurities on the movable mold and the fixed mold; cleaning mechanisms are arranged on both sides of the temperature control slide for cleaning the cooling and heating pipelines; temperature control units are also arranged on both sides of the temperature control slide, and the temperature control units comprise two cooling boxes and two hot boxes; the cooling box is used to transmit coolant for cooling control; the hot box Used to transmit hot oil for heating control; the two cooling boxes transmit coolant to the movable mold and the fixed mold respectively, and the two hot boxes transmit hot oil to the movable mold and the fixed mold respectively; the temperature control units on both sides of the temperature control slide carry out circulating transmission of coolant and hot oil to adjust the temperature; the cooling box and the hot box are respectively provided with connecting mechanisms, the connecting mechanisms include a docking movable tube, a docking portion is provided at one end of the docking movable tube, a sealing cylinder is provided on the outside of the docking portion, a clamping mechanism is arranged in an array on the inside of the sealing cylinder, a clamping oblique portion is arranged in an array on the end face of the docking port, the docking portion is docked and connected with the docking port, the clamping mechanism is in compression contact with the clamping oblique portion to fix the docking portion and the docking port, a vacuum processing equipment is provided on the outside of the sealing cylinder for vacuum processing, and a pressure detector is provided on the sealing cylinder for detecting the pressure inside the sealing cylinder.

[0006] As a preferred solution: a motor 1 and a screw 1 are arranged on the base, the motor 1 is used to drive the screw 1, and the screw 1 and the temperature control slide on the temperature control mechanism form a spiral pair.

[0007] As a preferred solution: the cleaning mechanism includes an adsorption cleaning box arranged on the bracket, and a control electric cylinder arranged on the bracket, and an adsorption part is arranged on the telescopic rod of the control electric cylinder. The adsorption part and the adsorption cleaning box are connected through a pipeline, and impurities are adsorbed in the cavities of the movable mold and the fixed mold through the adsorption part.

[0008] As a preferred solution: the cleaning mechanism includes a cleaning transmission box arranged on the temperature-controlled slide, a mobile electric cylinder is arranged on the cleaning transmission box, a mobile plate is arranged on the telescopic rod of the mobile electric cylinder, a cleaning docking tube is arranged on the mobile plate, the cleaning docking tube is connected with the cleaning transmission box, and the cleaning docking tube is connected and docked with the docking ports on the movable mold and the fixed mold to transfer the cleaning liquid.

[0009] As a preferred solution: the temperature control unit includes a transfer electric cylinder arranged on a temperature control slide, a transfer frame is arranged on the telescopic rod of the transfer electric cylinder, two sets of clamping mechanisms are slidably arranged on the transfer frame, the clamping mechanism includes two clamping plates, matching openings are arranged on the clamping plates, a second motor and a second screw rod are arranged on the transfer frame, the second screw rod is driven by the second motor; and the second screw rod and the clamping plate form a spiral pair; the clamping plate is used to clamp the transfer connecting mechanism.

[0010] As a preferred solution: the connecting mechanism includes a connecting pipe connected to the docking movable pipe, one end of which is connected to the cooling box and the heating box; matching parts are provided on both sides of the circumference of the docking movable pipe, and the matching parts are fixed by matching with the matching ports.

[0011] As a preferred solution: a sealing end plate is provided on the docking port, a sealing groove is provided on the sealing end plate, the end surface of the sealing cylinder cooperates with the sealing end plate to form a closed chamber, and a vacuum treatment is performed by a vacuum treatment device.

[0012] As a preferred solution: the clamping mechanism includes a clamping control motor arranged on the sealing cylinder, and a control gear ring rotatably installed on the inner side of the sealing cylinder, a deflection gear is arranged in a rotating array on the inner side of the sealing cylinder, the deflection gear is meshed with the control gear ring, and a deflection rod is arranged on the end face of the deflection gear, the deflection rod is L-shaped, a clamping rod is telescopically arranged at one end of the deflection rod, and a clamping spring for providing elastic force is connected between the clamping rod and the deflection rod, and the clamping bevel is clamped by contacting the clamping spring to fix the docking part and the docking port; the clamping control motor drives one of the deflection gears arranged in an array.

[0013] Compared with the prior art, the present invention has the following advantages: (1) the docking portion is docked with the docking interface, and at the same time, the end face of the sealing cylinder is docked with the sealing end plate to form a sealed chamber, which can be vacuumed by a vacuum processing device, and the pressure inside the sealing cylinder can be detected by a pressure detector to monitor the leakage of the transmission medium in real time; (2) after the docking portion and the docking interface are docked and connected, the motor is operated by the clamping control motor, that is, one of the deflection gears is driven to rotate, and under the gear transmission, the gear ring is controlled to rotate, that is, the other deflection gears rotate synchronously, and the deflection rod is deflected, so that the clamping rod contacts the clamping bevel, that is, the clamping rod clamps the clamping bevel to achieve the fixation of the docking portion and the docking interface, and the end of the clamping rod facing the clamping bevel is a spherical end. When clamping, the clamping spring is extended and retracted to achieve quick fixation; (3) The clamping plate moves, and the mating port cooperates with the mating part to fix the docking movable tube. Further, the clamping mechanism releases the clamping state and moves through the transfer frame to make the docking part and the docking port detached. When re-docking and connecting, docking is also performed in the above manner to achieve quick separation and docking, eliminating manual operation; (4) The cleaning docking tube is located at the location of the docking port, and the movement of the movable plate is controlled by the mobile electric cylinder, that is, the cleaning docking tube is docked with the docking port, and the cleaning transmission box transmits cleaning liquid to clean the internal pipeline of the mold to prevent dirt from accumulating thereon and affecting the subsequent temperature control effect; at the same time, when the movable mold and the fixed mold are in a separated state, the height of the adsorption part is controlled by controlling the electric cylinder, that is, the adsorption part is located between the movable mold and the fixed mold, and the adsorption cleaning box works, and the adsorption part cleans the cavity of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the installation structure of the die-casting mold system of the present invention; Figure 3 This is a schematic diagram of the installation structure of the temperature-controlled slide table of the present invention; Figure 4 This is a schematic diagram of the cleaning mechanism structure of the present invention; Figure 5 This is a schematic diagram of the installation structure of the temperature control unit of the present invention; Figure 6 This is a schematic diagram of the installation structure of the clamping plate of the present invention; Figure 7 It is a schematic diagram of the structure of the connecting mechanism of the present invention; Figure 8 This is a schematic diagram of the sealing cylinder installation structure of the present invention; Fig. 9 This is a schematic diagram of the internal structure of the sealing cylinder of the present invention; Fig.10 For the present invention Fig. 9 Schematic diagram of the structure at the A mark in the middle; Fig.11It is a schematic diagram of the installation structure of the clamping mechanism of the present invention.

[0015] 1-base; 2-die-casting mold system; 201-docking port; 3-motor one; 4-screw one; 5-temperature control slide; 6-bracket; 7-adsorption and removal box; 8-control electric cylinder; 9-adsorption part; 10-cleaning transmission box; 11-moving plate; 12-cleaning docking tube; 13-moving electric cylinder; 14-cooling box; 15-heating box; 16-transfer electric cylinder; 17-transfer rack; 18-motor two; 19-screw two; 20-clamping plate; 21-matching port; 22-connecting pipe; 23-docking moving pipe; 24-matching part; 25-vacuum processing equipment; 26-pressure detector; 27-sealing cylinder; 28-sealing end plate; 29-pressing bevel; 30-docking part; 31-control gear ring; 32-deflection gear; 33-deflection rod; 34-pressing rod; 35-pressing spring; 36-pressing control motor. DETAILED DESCRIPTION

[0016] Example: Figures 1 to 11 As shown, a die-casting mold system 2 is arranged on the base 1, and the die-casting mold system 2 includes a movable mold and a fixed mold. Cooling and heating pipelines are arranged inside the movable mold and the fixed mold, and docking ports 201 are respectively arranged on both sides of the movable mold and the fixed mold, and the docking ports 201 are connected with the cooling and heating pipelines; a temperature control mechanism is arranged on the base 1, and the temperature control mechanism includes a temperature control slide 5 slidably arranged thereon, and a bracket 6 is arranged on the temperature control slide 5; a motor 3 and a screw 4 are arranged on the base 1, and the motor 3 is used to drive the screw 4, and the screw 4 and the temperature control slide 5 on the temperature control mechanism form a spiral pair.

[0017] A cleaning mechanism is provided on the bracket 6 for cleaning impurities on the movable mold and the fixed mold; cleaning mechanisms are provided on both sides of the temperature-controlled slide 5 for cleaning the cooling and heating pipelines; the cleaning mechanism includes an adsorption cleaning box 7 provided on the bracket 6, and a control electric cylinder 8 provided on the bracket 6, an adsorption portion 9 is provided on the telescopic rod of the control electric cylinder 8, the adsorption portion 9 is connected to the adsorption cleaning box 7 through a pipeline, and the impurities in the cavities of the movable mold and the fixed mold are adsorbed through the adsorption portion 9; the cleaning mechanism includes a cleaning transmission box 10 provided on the temperature-controlled slide 5, a mobile electric cylinder 13 is provided on the cleaning transmission box 10, a mobile plate 11 is provided on the telescopic rod of the mobile electric cylinder 13, a cleaning docking tube 12 is provided on the mobile plate 11, the cleaning docking tube 12 is connected to the cleaning transmission box 10, and the cleaning docking tube 12 is connected and docked with the docking ports 201 on the movable mold and the fixed mold to transmit the cleaning liquid.

[0018] Temperature control units are also provided on both sides of the temperature control slide 5, and the temperature control units include two cooling boxes 14 and two hot boxes 15; the cooling boxes 14 are used to transmit coolant for cooling control; the hot boxes 15 are used to transmit hot oil for heating control; the two cooling boxes 14 transmit coolant to the movable mold and the fixed mold respectively, and the two hot boxes 15 transmit hot oil to the movable mold and the fixed mold respectively; the temperature control units on both sides of the temperature control slide 5 circulate coolant and hot oil for temperature regulation; the cooling boxes 14 and the hot boxes 15 are respectively provided with connecting mechanisms, and the connecting mechanisms include docking movable pipes 23 A docking portion 30 is provided at one end of the docking movable tube 23, a sealing cylinder 27 is provided on the outside of the docking portion 30, a clamping mechanism is arranged in an array on the inside of the sealing cylinder 27, and a clamping bevel 29 is arranged in an array on the end surface of the docking port 201. The docking portion 30 is docked and connected with the docking port 201, and the clamping mechanism is in compression contact with the clamping bevel 29 to fix the docking portion 30 and the docking port 201. A vacuum processing device 25 is provided on the outside of the sealing cylinder 27 for vacuum processing, and a pressure detector 26 is provided on the sealing cylinder 27 for detecting the pressure inside the sealing cylinder 27.

[0019] The temperature control unit includes a transfer electric cylinder 16 arranged on the temperature control slide 5, and a transfer frame 17 is arranged on the telescopic rod of the transfer electric cylinder 16. Two sets of clamping mechanisms are slidably arranged on the transfer frame 17, and the clamping mechanism includes two clamping plates 20, and a matching port 21 is arranged on the clamping plate 20. A motor 18 and a screw 19 are arranged on the transfer frame 17, and the screw 19 is driven by the motor 18; and the screw 19 and the clamping plate 20 form a spiral pair; the clamping plate 20 is used to clamp the transfer connecting mechanism; the connecting mechanism includes a connecting pipe 22 connected to the docking moving pipe 23, and one end of the connecting pipe 22 is connected to the cooling box 14 and the hot box 15; matching parts 24 are arranged on both sides of the circumference of the docking moving pipe 23, and the matching parts 24 are fixed by matching with the matching port 21; a sealing end plate 28 is arranged on the docking port 201, and a sealing end plate 28 is arranged on the sealing end plate 28 There is a sealing groove, and the end face of the sealing cylinder 27 cooperates with the sealing end plate 28 to form a closed chamber, which is vacuumed by the vacuum processing equipment 25; the clamping mechanism includes a clamping control motor 36 arranged on the sealing cylinder 27, and a control gear ring 31 rotatably installed on the inner side of the sealing cylinder 27, and a deflection gear 32 is arranged in a rotating array on the inner side of the sealing cylinder 27, the deflection gear 32 is meshed with the control gear ring 31, and a deflection rod 33 is arranged on the end face of the deflection gear 32, the deflection rod 33 is L-shaped, and a clamping rod 34 is telescopically arranged at one end of the deflection rod 33, and a clamping spring 35 for providing elastic force is connected between the clamping rod 34 and the deflection rod 33, and the clamping spring 35 contacts the clamping inclined portion 29 to fix the docking portion 30 and the docking port 201; the clamping control motor 36 drives one of the deflection gears 32 arranged in an array.

[0020] The working principle of the present invention is as follows: during operation, molding is performed through the die-casting mold system 2, that is, the molten liquid is injected into the mold cavity of the movable mold and the fixed mold to achieve molding. Cooling and heating pipelines are arranged inside the movable mold and the fixed mold, and temperature sensors are provided on the movable mold and the fixed mold to detect and feedback the mold temperature in real time, and then perform temperature control in real time to ensure the molding quality of the product.

[0021] Specifically, during temperature control adjustment, the present embodiment is connected to the docking port 201 through the docking portion 30, and at the same time, the end face of the sealing cylinder 27 is connected to the sealing end plate 28 to form a sealed chamber, which can be vacuumed by the vacuum processing equipment 25, and the pressure inside the sealing cylinder 27 can be tested by the pressure detector 26 to monitor the leakage of the transmission medium in real time.

[0022] Furthermore, after the docking part 30 is docked and connected with the docking port 201, the clamping control motor 36 works, that is, one of the deflection gears 32 is driven to rotate. Under the gear transmission, the ring gear 31 is controlled to rotate, that is, the other deflection gears 32 rotate synchronously, and the deflection rod 33 is deflected, so that the clamping rod 34 contacts the clamping bevel 29, that is, the clamping rod 34 clamps the clamping bevel 29 to fix the docking part 30 and the docking port 201. The end of the clamping rod 34 facing the clamping bevel 29 is a spherical end. When clamping, the clamping spring 35 is extended and retracted.

[0023] The temperature of the mold is monitored in real time by a temperature detector to perform real-time temperature control, that is, the cooling box 14 and the hot box 15 transmit coolant and hot oil through the internal pipelines of the mold to achieve temperature regulation, which can effectively improve the stability of die-casting production and product quality. In die-casting production, the implementation and maintenance of temperature control are key factors to ensure production efficiency and casting quality. A reasonable temperature control solution can not only reduce the defective rate, but also extend the service life of the mold, thereby reducing production costs.

[0024] When cleaning the internal pipelines of the mold later, the transfer frame 17 can be controlled to move by the transfer electric cylinder 16, that is, the clamping plate 20 is located on the side of the docking movable tube 23. The motor 18 works and the screw 19 rotates to move the clamping plate 20, and the matching port 21 cooperates with the matching part 24 to fix the docking movable tube 23. Furthermore, the clamping mechanism releases the clamping state and moves the transfer frame 17 to disengage the docking part 30 from the docking port 201. When re-docking and connecting, docking is also performed in the above manner.

[0025] By operating the motor 3, the screw rod 4 rotates to move the temperature control slide 5, that is, the cleaning docking tube 12 is located at the location of the docking port 201, and the moving plate 11 is controlled to move by the moving electric cylinder 13, that is, the cleaning docking tube 12 is docked with the docking port 201, and the cleaning transmission box 10 transmits cleaning liquid to clean the internal pipeline of the mold to prevent dirt from accumulating therein and affecting the subsequent temperature control effect; at the same time, when the movable mold and the fixed mold are in a separated state, the height of the adsorption part 9 is controlled by controlling the electric cylinder 8, that is, the adsorption part 9 is located between the movable mold and the fixed mold, and the adsorption cleaning box 7 works, and the adsorption part 9 cleans the cavity of the mold.

Claims

1. A temperature control device for magnesium alloy die casting, comprising a base (1), a die casting mold system (2) being arranged on the base (1), the die casting mold system (2) comprising a movable mold and a fixed mold, cooling and heating pipelines being arranged inside the movable mold and the fixed mold, and docking ports (201) being arranged on both sides of the movable mold and the fixed mold, respectively, the docking ports (201) being connected to the cooling and heating pipelines; characterized in that: A temperature control mechanism is arranged on the base (1), the temperature control mechanism comprises a temperature control slide (5) slidably arranged on the base, a bracket (6) is arranged on the temperature control slide (5), and a cleaning mechanism is arranged on the bracket (6) for cleaning impurities on the movable mold and the fixed mold; cleaning mechanisms are arranged on both sides of the temperature control slide (5) for cleaning cooling and heating pipelines; temperature control components are also arranged on both sides of the temperature control slide (5), the temperature control components comprise two cooling boxes (14) and two heating boxes (15); the cooling boxes (14) are used to transmit coolant for cooling control; the heating boxes (15) are used to transmit hot oil for heating control; the two cooling boxes (14) transmit coolant to the movable mold and the fixed mold respectively, and the two heating boxes (15) transmit hot oil to the movable mold and the fixed mold respectively; the temperature control components on both sides of the temperature control slide (5) perform circulation transmission of coolant and hot oil. transport to adjust the temperature; the cooling box (14) and the heating box (15) are respectively provided with a connecting mechanism, the connecting mechanism comprising a docking movable tube (23); a docking portion (30) is provided at one end of the docking movable tube (23); a sealing cylinder (27) is provided outside the docking portion (30); a pressing mechanism is arranged in an array inside the sealing cylinder (27); a pressing bevel (29) is arranged in an array on the end surface of the docking port (201); the docking portion (30) is docked and communicated with the docking port (201); the pressing mechanism is in compression contact with the pressing bevel (29) to fix the docking portion (30) and the docking port (201); a vacuum processing device (25) is provided outside the sealing cylinder (27) for vacuum processing; and a pressure detector (26) is provided on the sealing cylinder (27) for detecting the pressure inside the sealing cylinder (27).

2. A temperature control device for magnesium alloy die casting according to claim 1, characterized in that: The base (1) is provided with a motor (3) and a screw (4); the motor (3) is used to drive the screw (4); the screw (4) and the temperature control slide (5) on the temperature control mechanism form a spiral pair.

3. The temperature control device for magnesium alloy die casting according to claim 1, characterized in that: The cleaning mechanism comprises an adsorption cleaning box (7) arranged on a bracket (6), and a control electric cylinder (8) arranged on the bracket (6); an adsorption portion (9) is arranged on a telescopic rod of the control electric cylinder (8); the adsorption portion (9) is connected to the adsorption cleaning box (7) through a pipeline, and impurities are adsorbed on the cavities of the movable mold and the fixed mold through the adsorption portion (9).

4. The temperature control device for magnesium alloy die casting according to claim 1, characterized in that: The cleaning mechanism comprises a cleaning transmission box (10) arranged on a temperature-controlled slide table (5); a movable electric cylinder (13) is arranged on the cleaning transmission box (10); a movable plate (11) is arranged on a telescopic rod of the movable electric cylinder (13); a cleaning docking tube (12) is arranged on the movable plate (11); the cleaning docking tube (12) is connected to the cleaning transmission box (10); and the cleaning docking tube (12) is connected to docking ports (201) on a movable mold and a fixed mold to carry out cleaning liquid transmission.

5. The temperature control device for magnesium alloy die casting according to claim 1, characterized in that: The temperature control unit comprises a transfer electric cylinder (16) arranged on a temperature control slide (5); a transfer frame (17) is arranged on a telescopic rod of the transfer electric cylinder (16); two groups of clamping mechanisms are slidably arranged on the transfer frame (17); the clamping mechanisms comprise two clamping plates (20); a matching opening (21) is arranged on the clamping plates (20); a second motor (18) and a second screw rod (19) are arranged on the transfer frame (17); the second screw rod (19) is driven by the second motor (18); and the second screw rod (19) and the clamping plate (20) form a spiral pair; the clamping plate (20) is used to clamp the transfer connection mechanism.

6. A temperature control device for magnesium alloy die casting according to claim 5, characterized in that: The connecting mechanism comprises a connecting pipe (22) connected to the docking movable pipe (23), one end of the connecting pipe (22) being connected to the cooling box (14) and the heating box (15); matching parts (24) are provided on both sides of the circumference of the docking movable pipe (23), and the matching parts (24) are fixed by matching with the matching opening (21).

7. The temperature control device for magnesium alloy die casting according to claim 1, characterized in that: The docking port (201) is provided with a sealing end plate (28), the sealing end plate (28) being provided with a sealing groove, and the end surface of the sealing cylinder (27) cooperates with the sealing end plate (28) to form a closed chamber, which is vacuumed by the vacuum processing equipment (25).

8. The temperature control device for magnesium alloy die casting according to claim 1, characterized in that: The clamping mechanism comprises a clamping control motor (36) arranged on the sealing cylinder (27), and a control gear ring (31) rotatably mounted on the inner side of the sealing cylinder (27); a deflection gear (32) is rotatably arranged in an array on the inner side of the sealing cylinder (27); the deflection gear (32) is meshed with the control gear ring (31); and a deflection rod (33) is arranged on the end surface of the deflection gear (32); the deflection rod (33) is L-shaped; a clamping rod (34) is telescopically arranged at one end of the deflection rod (33); and a clamping spring (35) for providing elastic force is connected between the clamping rod (34) and the deflection rod (33); the clamping spring (35) contacts and clamps the clamping inclined portion (29) to fix the docking portion (30) and the docking port (201); the clamping control motor (36) drives one of the deflection gears (32) arranged in an array.

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