Alloy plate hot press forming device

By designing an adjustable mold structure and cooling circulation system, the problems of low mold replacement efficiency and insufficient cooling speed in the hot pressing forming device of magnesium alloy sheet were solved, thereby shortening the mold replacement time and increasing the cooling speed, thus improving production efficiency.

CN223988955UActive Publication Date: 2026-03-13JIANGSU MIAOSEN POWER ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-03-13

AI Technical Summary

Technical Problem

Existing hot pressing equipment for magnesium alloy sheets is inefficient when changing molds and has insufficient cooling speed, which affects production efficiency.

Method used

A hot pressing forming device for alloy plates was designed, which adopts an adjustable mold structure and a cooling circulation system. The mold can be quickly changed by hydraulic push rods, and the heat exchange efficiency is enhanced by spiral water baffles to improve the cooling speed.

Benefits of technology

This has resulted in shorter mold changeover times and faster cooling, thereby improving mold utilization and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an alloy plate hot press forming device, which relates to the technical field of metal plate processing and comprises a supporting seat, and a profiling mechanism is mounted on the surface of the supporting seat. The upper mounting frame is pushed downwards through the second hydraulic push rod, so that the upper mold covers the lower mold, then the rubber pad is pushed downwards through the first hydraulic push rod, the two sides of the upper mold are pressed and limited, and after hot press molding, a worker lifts the first hydraulic push rod and the second hydraulic push rod in sequence; and the upper mold can be overturned according to the workpiece requirement of the next set of mold, overturning replacement between the first profiled groove and the second profiled groove is achieved, personnel can be helped to rapidly exchange the workpiece requirement, the time cost of model replacement can be reduced, the mold using efficiency is improved, and high practicability is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of metal sheet processing technology, specifically to an alloy sheet hot pressing forming device. Background Technology

[0002] Currently, magnesium alloy sheet forming methods include semi-solid thixotropic forming, die casting, extrusion forming, and melt casting.

[0003] Currently, patent application CN 208288788 U discloses a hot pressing forming device for magnesium alloy sheets. This device includes an upper mold and a lower mold, with the upper mold connected to an upper template and the lower mold connected to a lower template. The upper mold is equipped with a pre-forming cylinder, a stripping block, and a concave mold, while the lower mold is equipped with a punch, a pressure ring, and a lower ejector cylinder. The pre-forming cylinder drives the stripping block to move vertically, and the lower ejector cylinder drives the pressure ring to move vertically. The main cylinder is positioned at the top and drives the upper template to move vertically, which in turn drives the concave mold to move vertically. Products prepared using this device via hot pressing exhibit good deep drawing properties, with no scratches on the surface and no cracks at the rounded corners. Furthermore, these products can be used in automotive seats.

[0004] To address the issue of hot pressing of alloy sheets in the aforementioned solutions, existing technologies employ hot pressing to prepare the parts. However, this method still presents challenges, such as the difficulty in changing the mold during part production, leading to low mold utilization efficiency. Utility Model Content

[0005] The purpose of this invention is to provide an alloy sheet hot pressing forming device to solve the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] A hot pressing forming apparatus for alloy sheet includes a support base, on the surface of which a forming mechanism is mounted;

[0008] The forming mechanism includes a second hydraulic push rod and a lower mold. The second hydraulic push rod is fixedly connected to the top of the support base. An upper mounting frame is fixedly connected to the output end of the second hydraulic push rod. A support frame is fixedly connected to the surface of the upper mounting frame. A first hydraulic push rod is fixedly connected to the surface of the support frame. An upper mold is fixedly connected to the output end of the first hydraulic push rod.

[0009] A further improvement of this utility model is that: a guide rod is fixedly connected to the top of the lower mold, and the corners of the upper mold are respectively provided with insertion holes corresponding to the guide rods. The output end of the second hydraulic push rod is installed and connected to the upper mold by bolts. The two sides of the upper mold are respectively provided with a first groove and a second groove. The upper mold is covered on the lower mold by pushing the upper mounting frame down with the second hydraulic push rod, and then the rubber pad is pushed down with the first hydraulic push rod.

[0010] A further improvement of this utility model is that: the output end of the first hydraulic push rod passes through the support frame and is connected to a rubber pad; both ends of the upper mold are rotatably connected to both ends of the upper mounting frame through bearings; a motor is installed at one end of the upper mounting frame by bolts; the drive end of the motor passes through the upper mounting frame and the bearings and is bolted to one end of the upper mold; the motor is used to drive the upper mold to rotate.

[0011] A further improvement of the present invention is that the cooling mechanism includes a liquid storage tank, which is installed on the surface of the support base. The top of the liquid storage tank is provided with a cover. A second water pump and a first water pump are respectively provided on both sides of the liquid storage tank. The output end of the first water pump is fixedly connected to a second row of pipes. The liquid storage tank stores the coolant, and then the first water pump is started to draw the coolant from the liquid storage tank.

[0012] A further improvement of this utility model is that: a circulation bend is fixedly connected to one end of the second row of pipes, the circulation bend is installed at the bottom of the lower mold, and one end of the liquid storage tank is connected to a heat exchanger through a water pipe. After transmission, the circulation bend is discharged into the first row of pipes and the transfer pipe. After the heat exchanger cools it down, it flows into the liquid storage tank through the transfer pipe.

[0013] A further improvement of this utility model is that: a transfer pipe is fixedly connected to one side of the heat exchanger, a first row of pipes is fixedly connected to one end of the transfer pipe, a circulation bend is fixedly connected to one end of the first row of pipes, and spiral baffles are installed inside the first row of pipes and the second row of pipes. The spiral baffles enhance the turbulence effect and improve the heat exchange efficiency. After the circulation bend is in transit...

[0014] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:

[0015] 1. This utility model provides a hot pressing forming device for alloy plates. The upper mold covers the lower mold by pushing the upper mounting frame down with the second hydraulic push rod. Then, the rubber pad is pushed down by the first hydraulic push rod to press and limit the two sides of the upper mold. After hot pressing, the first and second hydraulic push rods are raised in sequence. The upper mold can be flipped according to the part requirements of the next set of molds, so as to realize the flipping and replacement between the first and second grooves. This helps the personnel to quickly change the part requirements, reduces the time cost of mold replacement, improves the efficiency of mold use, and has high practicality.

[0016] 2. This utility model provides a hot pressing forming device for alloy plates. Coolant is stored in a sump. A first water pump is then started, drawing coolant from the sump and transferring it through a second row of pipes to a circulating bend. During the discharge of coolant from the second row of pipes, a spiral baffle enhances the turbulence effect, improving heat exchange efficiency. After being transferred through the circulating bend, the coolant is discharged into the first row of pipes and a transfer pipe. After cooling by the heat exchanger, the coolant flows back into the sump through the transfer pipe. The first water pump then draws coolant from the sump through the second row of pipes, completing the cooling cycle. When the coolant needs to be replaced, the second water pump is started to discharge the coolant. This effectively cools the lower mold, increasing the mold's cooling speed and thus improving the production efficiency of the compression molding process. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the forming mechanism of this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the second type of groove of this utility model;

[0020] Figure 4 This is a schematic diagram of the cooling mechanism of this utility model;

[0021] Figure 5 This is a schematic diagram of the spiral water-blocking sheet of this utility model.

[0022] A schematic diagram of the device's structure.

[0023] In the diagram: 1. Support base; 2. Forming mechanism; 20. Second hydraulic push rod; 21. First hydraulic push rod; 22. Rubber pad; 23. Upper mounting frame; 24. Upper mold; 25. Lower mold; 26. First groove; 27. Guide rod; 28. Motor; 29. ​​Second groove; 291. Support frame; 292. Insertion hole; 3. Cooling mechanism; 30. Liquid storage tank; 31. Cover; 32. First water pump; 33. Second water pump; 34. Heat exchanger; 35. Transfer pipe; 36. First row of pipes; 37. Circulation bend; 38. Second row of pipes; 39. Spiral baffle. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to embodiments:

[0025] Example 1

[0026] like Figure 1-5 As shown, this utility model provides an alloy sheet hot pressing forming device, including a support base 1, and a forming mechanism 2 is installed on the surface of the support base 1;

[0027] The forming mechanism 2 includes a second hydraulic push rod 20 and a lower mold 25. The second hydraulic push rod 20 is fixedly connected to the top of the support base 1. An upper mounting frame 23 is fixedly connected to the output end of the second hydraulic push rod 20. A support frame 291 is fixedly connected to the surface of the upper mounting frame 23. A first hydraulic push rod 21 is fixedly connected to the surface of the support frame 291. An upper mold 24 is fixedly connected to the output end of the first hydraulic push rod 21. A guide rod 27 is fixedly connected to the top of the lower mold 25. A through-hole corresponding to the guide rod 27 is opened at the corner of the upper mold 24. The corresponding insertion hole 292, the output end of the second hydraulic push rod 20 is connected to the upper mold 24 by bolts, the two sides of the upper mold 24 are respectively provided with a first groove 26 and a second groove 29, the output end of the first hydraulic push rod 21 passes through the support frame 291 and is connected with a rubber pad 22, the two ends of the upper mold 24 are respectively rotatably connected to the two ends of the upper mounting frame 23 by bearings, one end of the upper mounting frame 23 is bolted to a motor 28, the drive end of the motor 28 passes through the upper mounting frame 23 and the bearings and is bolted to one end of the upper mold 24;

[0028] Specifically, the assembly consisting of a lower mold 25, an upper mounting frame 23, an upper mold 24, a first groove 26, a second groove 29, and a motor 28 provides personnel with an adjustable mold that allows for rapid model replacement. This enables personnel to quickly flip and change the mold according to the needs of the part, thus enabling the production of alloy plates with different structural shapes. Subsequently, the upper mounting frame 23 is pushed down by the second hydraulic push rod 20, causing the upper mold 24 to cover the lower mold 25. Then, the rubber pad 22 is pushed down by the first hydraulic push rod 21, thereby opening the two sides of the upper mold 24. After the hot pressing is completed, the operator sequentially raises the first hydraulic push rod 21 and the second hydraulic push rod 20. The upper mold 24 can be flipped according to the part requirements of the next set of molds, so as to realize the flipping and replacement between the first groove 26 and the second groove 29. This helps the operator to quickly change the part requirements. The first hydraulic push rod 21 is used to maintain the stability of the upper mounting frame 23 and prevent the upper mounting frame 23 from flipping accidentally. The motor 28 is used to drive the upper mold 24 to flip. The second hydraulic push rod 20 is used to adjust the working height of the upper mounting frame 23.

[0029] Example 2

[0030] like Figure 1-5 As shown, based on Embodiment 1, this utility model provides a technical solution: Preferably, the cooling mechanism 3 includes a liquid storage tank 30, which is installed on the surface of the support base 1. A cover 31 is provided on the top of the liquid storage tank 30. A second water pump 33 and a first water pump 32 are respectively provided on both sides of the liquid storage tank 30. A second row of pipes 38 is fixedly connected to the output end of the first water pump 32. A circulation bend 37 is fixedly connected to one end of the second row of pipes 38. The circulation bend 37 is installed at the bottom of the lower mold 25. A heat exchanger 34 is connected to one end of the liquid storage tank 30 through a water pipe. A transfer pipe 35 is fixedly connected to one side of the heat exchanger 34. A first row of pipes 36 is fixedly connected to one end of the transfer pipe 35. A circulation bend 37 is fixedly connected to one end of the first row of pipes 36. Spiral water baffles 39 are installed inside both the first row of pipes 36 and the second row of pipes 38.

[0031] Specifically, coolant is stored in the reservoir 30, and then the first water pump 32 is started. The first water pump 32 draws coolant from the reservoir 30 and then transfers it through the second pipe 38 to the circulation bend 37. When the coolant is discharged from the second pipe 38, the spiral baffle 39 enhances the turbulence effect and improves the heat exchange efficiency. After being transferred, the coolant is discharged into the first pipe 36 and the transfer pipe 35. After being cooled by the heat exchanger 34, it flows back into the reservoir 30 through the transfer pipe 35. Then, the first water pump 32 can pump the coolant from the reservoir 30 through the second pipe 38, thus completing the cooling cycle. When the coolant needs to be replaced, the second water pump 33 is started to discharge the coolant. This effectively cools the lower mold 25, increases the cooling speed of the mold, and thus improves the production efficiency of compression molding.

[0032] The working principle of this alloy sheet hot pressing forming device will be explained in detail below.

[0033] like Figure 1-5 As shown, the assembly consisting of a lower mold 25, an upper mounting frame 23, an upper mold 24, a first groove 26, a second groove 29, and a motor 28 provides personnel with an adjustable mold that allows for rapid model replacement. This enables personnel to quickly flip and change the mold according to the needs of the part, thus enabling the production of alloy plates with different structural shapes. Subsequently, the second hydraulic push rod 20 pushes down the upper mounting frame 23, causing the upper mold 24 to cover the lower mold 25. Then, the first hydraulic push rod 21 pushes down the rubber pad 22, pressing and limiting both sides of the upper mold 24. After hot pressing, the personnel sequentially raise the first hydraulic push rod 21 and the second hydraulic push rod 20, and can flip the upper mold 24 according to the needs of the next set of molds, realizing the flipping and replacement between the first groove 26 and the second groove 29, which helps personnel to quickly proceed. When the required components need to be replaced, the first hydraulic push rod 21 is used to maintain the stability of the upper mounting frame 23 and prevent the upper mounting frame 23 from accidentally flipping over. Coolant is stored in the reservoir 30, and then the first water pump 32 is started. The first water pump 32 draws coolant from the reservoir 30 and then transfers it through the second row pipe 38 to the circulation bend pipe 37. When the coolant is discharged from the second row pipe 38, the spiral baffle 39 enhances the turbulence effect and improves the heat exchange efficiency. After being transferred, the coolant is discharged into the first row pipe 36 and the transfer pipe 35. After being cooled by the heat exchanger 34, it flows into the reservoir 30 through the transfer pipe 35. Then the first water pump 32 can discharge the coolant in the reservoir 30 through the second row pipe 38, thus completing the cooling cycle. When the coolant needs to be replaced, the second water pump 33 is started to discharge the coolant.

[0034] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. An apparatus for hot press forming of an alloy sheet, comprising a support seat (1), characterized in that: The surface of the support seat (1) is provided with a pressing mechanism (2); The pressing mechanism (2) comprises a second hydraulic push rod (20) and a lower mold (25), the second hydraulic push rod (20) is fixedly connected to the top of the support seat (1), the output end of the second hydraulic push rod (20) is fixedly connected with an upper mounting frame (23), the surface of the upper mounting frame (23) is fixedly connected with a support frame (291), the surface of the support frame (291) is fixedly connected with a first hydraulic push rod (21), and the output end of the first hydraulic push rod (21) is fixedly connected with an upper mold (24).

2. The apparatus according to claim 1, wherein: The top of the lower mold (25) is fixedly connected with a guide rod (27), the corners of the upper mold (24) are respectively provided with insertion holes (292) corresponding to the guide rod (27), the output end of the second hydraulic push rod (20) is connected with the upper mold (24) through bolts, and the two surfaces of the upper mold (24) are respectively provided with a first type groove (26) and a second type groove (29). The inside of the lower mold (25) is provided with a cooling mechanism (3).

3. The apparatus according to claim 2, wherein: The output end of the first hydraulic push rod (21) is connected with a rubber pad (22) through the support frame (291), the two ends of the upper mold (24) are rotatably connected with the two ends of the upper mounting frame (23) through bearings, one end of the upper mounting frame (23) is provided with a motor (28) through bolts, and the driving end of the motor (28) is connected with one end of the upper mold (24) through bolts.

4. The apparatus according to claim 2, wherein: The cooling mechanism (3) comprises an accumulator tank (30), the accumulator tank (30) is installed on the surface of the support seat (1), the top of the accumulator tank (30) is provided with a cover (31), the two sides of the accumulator tank (30) are respectively provided with a second water pump (33) and a first water pump (32), and the output end of the first water pump (32) is fixedly connected with a second drain pipe (38).

5. The apparatus according to claim 4, wherein: One end of the second drain pipe (38) is fixedly connected with a circulating elbow (37), the circulating elbow (37) is installed at the bottom of the inside of the lower mold (25), and one end of the accumulator tank (30) is connected with a heat exchanger (34) through a water pipe.

6. The apparatus according to claim 5, wherein: One side of the heat exchanger (34) is fixedly connected with an adapter pipe (35), one end of the adapter pipe (35) is fixedly connected with a first drain pipe (36), one end of the first drain pipe (36) is fixedly connected with a circulating elbow (37), and the interiors of the first drain pipe (36) and the second drain pipe (38) are both provided with spiral waterproof sheets (39).

Citation Information

Patent Citations

  • Magnesium alloy sheet hot press molding device

    CN208288788U