Double-station semi-solid metal forming machine

Abstract

The utility model relates to a double-station semi-solid metal forming machine which comprises a first mold device, a second mold device and a third mold device, the first spiral feeding device is connected with the first mold device and used for conveying the metal raw materials; the first heating device is arranged on the first spiral feeding device and used for heating the metal raw materials into a semi-solid state; the second mold device is used for metal forming; the second spiral feeding device is connected with the second die device and used for conveying the metal raw materials; the second heating device is arranged on the second spiral feeding device and is used for heating the metal raw material into a semi-solid state; the first mold device and the second mold device are arranged at the two ends of the rack correspondingly, and the first spiral feeding device and the second spiral feeding device are both installed on the rack and arranged in a staggered mode. According to the double-station semi-solid metal forming machine, two stations are obtained through staggered arrangement, and the double-station semi-solid metal forming machine is compact in structure, small in occupied area, high in production efficiency, low in production cost, low in forming temperature, high in production safety and low in energy consumption.

Description

TECHNICAL FIELD

[0001] The utility model relates to a metal forming machine, especially a double-station semi-solid metal forming machine. BACKGROUND

[0002] At present, the forming of magnesium alloy and aluminum alloy parts mainly adopts casting process, and the casting process has the following problems: it is difficult to form parts with complex structure, the production efficiency is low, the safety is not high, and it is easy to burn, etc.

[0003] In addition, due to the large number of front auxiliary equipment (furnace, soup feeding manipulator, etc.), the overall manufacturing cost is high. UTILITY MODEL CONTENT

[0004] In order to solve the above problems, the utility model provides a double-station semi-solid metal forming machine, and the specific technical scheme is as follows:

[0005] A double-station semi-solid metal forming machine, comprising: a first mold device for metal forming; a first spiral feeding device connected with the first mold device for conveying metal raw materials; a first heating device arranged on the first spiral feeding device for heating the metal raw materials into a semi-solid state; a second mold device for metal forming; a second spiral feeding device connected with the second mold device for conveying metal raw materials; a second heating device arranged on the second spiral feeding device for heating the metal raw materials into a semi-solid state; and a rack, wherein the first mold device and the second mold device are respectively arranged at two ends of the rack, and the first spiral feeding device and the second spiral feeding device are both mounted on the rack and staggered.

[0006] Preferably, the first mold device and the second mold device are the same in structure, and the first mold device comprises: a first tail plate arranged at one end of the rack; a first guide rod, one end of which is arranged on the first tail plate; a first fixed plate arranged at the other end of the first guide rod; a first movable plate slidingly arranged on the first guide rod; a movable mold assembly arranged on the first movable plate; a fixed mold assembly arranged on the first fixed plate; and a first pressing cylinder arranged on the first fixed plate and connected with the first movable plate for pressing the movable mold assembly on the fixed mold assembly through the first movable plate.

[0007] Preferably, the first screw feeding device and the second screw feeding device are structurally identical, the first screw feeding device comprises a first conveying cylinder provided on the frame and provided with a first feeding hopper, the first heating device is provided on the first conveying cylinder, a first screw blade is rotatably provided in the first conveying cylinder, a first driving assembly is provided on the frame and connected with the first screw blade, and a first conveying nozzle is provided at one end of the first conveying cylinder and connected with the first mold device.

[0008] Further, the first driving assembly comprises a first driving motor provided on the frame, a first driving gear provided on the first driving motor, and a first driven gear provided on the first screw blade and engaged with the first driving gear.

[0009] Further, the first driving assembly further comprises a first bearing seat provided on the frame, and a first driving shaft rotatably provided on the first bearing seat and connected with the first screw blade and the first driven gear respectively.

[0010] Further, the first driving assembly further comprises a first bearing seat provided on the frame, and a first driving shaft rotatably provided on the first bearing seat and connected with the first screw blade and the first driven gear respectively.

[0011] Further, the first heating device and the second heating device are structurally identical, the first heating device comprises a plurality of first heating rings provided on the first conveying cylinder.

[0012] Compared with the prior art, the double-station semi-solid metal forming machine has the following beneficial effects:

[0013] The double-station semi-solid metal forming machine provided by the application has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the application;

[0015] Figure 2 is a top view of the application;

[0016] Figure 3is the assembly schematic view of the first mold device, the first spiral feeding device and the first heating device;

[0017] Figure 4 is Figure 3 the sectional view. DETAILED DESCRIPTION

[0018] The utility model will be further described in connection with the drawings.

[0019] As Figures 1 to 4 shown, a double-station semi-solid metal forming machine, comprising a first mold device 1, a first spiral feeding device 2, a first heating device 3, a second mold device 4, a second spiral feeding device 5, a second heating device 6 and a rack 7. The first mold device 1 and the second mold device 4 are the same structure, are used for metal forming, and are respectively installed at both ends of the rack 7 and are respectively located on both sides of the rack 7. The first spiral feeding device 2 and the second spiral feeding device 5 are the same structure, are installed on the rack 7, and are staggered, the first spiral feeding device 2 and the second spiral feeding device 5 are respectively connected with the first mold device 1 and the second mold device 4, and the first spiral feeding device 2 and the second spiral feeding device 5 are used for conveying metal raw materials. The first heating device 3 and the second heating device 6 are the same structure, the first heating device 3 and the second heating device 6 are respectively installed on the first spiral feeding device 2 and the second spiral feeding device 5, and are used for heating the metal raw materials into semi-solid state.

[0020] Casting needs to melt the metal into liquid state in the furnace first, then the liquid metal is transferred and cast into the mold to form, the high-temperature liquid metal is exposed in the air in the whole process, so there is a security risk, and the heat loss is large. The metal is melted and conveyed in the closed spiral feeding device in the application, which can improve safety, reduce heat loss, reduce energy consumption, and because of the sealed pressure conveying, the metal can be melted to semi-solid state, which can ensure the forming requirement, without the need to completely melt the metal into liquid, reducing the production temperature, greatly reducing the energy consumption and production cost. Because of injection molding, continuous production can be carried out, and there is no need to prepare sand core, complex structure parts can be formed, and the production efficiency is high.

[0021] The staggered structure obtains two forming stations, which can make the structure compact, reduce the floor area, and improve the production efficiency.

[0022] Because the melting is directly carried out in the spiral feeding device, there is no need for a pre-melting furnace, a soup feeding robot and other devices, which greatly reduces the cost of equipment, reduces the energy consumption and production cost.

[0023] The first die device 1 comprises a first tail plate 11, a first guide rod 12, a first fixed plate 13, a first movable plate 14, a movable die assembly 15, a fixed die assembly 16 and a first pressing cylinder 17. The first tail plate 11 is fixed to one end of the frame 7 and located on one side of the frame 7. Four first guide rods 12 are provided, one end of each first guide rod 12 being fixed to the first tail plate 11. The first fixed plate 13 is fixed to the other end of the first guide rod 12 and connected to the frame 7. The first movable plate 14 is slidingly installed on the first guide rod 12. The movable die assembly 15 comprises a movable die plate 152 and a movable die base plate 151. The movable die plate 152 is provided with a lower cavity, is installed on the movable die base plate 151 and is installed on the first movable plate 14. The fixed die assembly 16 comprises a fixed die plate 162 and a fixed die base plate 161. The fixed die plate 162 is provided with an upper cavity, is fixed to the fixed die base plate 161 and is fixed to the first fixed plate 13. The first pressing cylinder 17 is a hydraulic cylinder, the bottom of the first pressing cylinder 17 is fixed to the first tail plate 11, and the piston rod of the first pressing cylinder 17 is connected to the first movable plate 14.

[0024] The first screw feeding device 2 comprises a first conveying cylinder 21, a first screw blade 22, a first driving assembly 23 and a first conveying nozzle 24. The first conveying cylinder 21 is installed on the frame 7 through a conveying connecting seat 28, is provided with a first feeding hopper 211, the first screw blade 22 is rotatably installed in the first conveying cylinder 21 and is connected to the first driving assembly 23, and the first heating device 3 is arranged on the first conveying cylinder 21. The first driving assembly 23 is arranged on the frame 7. The first conveying nozzle 24 is installed at the discharging end of the first conveying cylinder 21, is connected to the first fixed plate 13 of the first die device 1 and communicates with the upper cavity. The screw feeding device can conveniently feed the material, feed the material through extrusion, make the material have a certain pressure, realize injection of the material into the cavity of the die, conveniently heat the material by the heating device, make the metal melt into a semi-solid state, ensure flowability of the semi-solid metal, ensure reliable molding, reduce the production temperature, reduce energy consumption and reduce the cost.

[0025] In order to realize reliable driving, the first driving assembly 23 comprises a first driving motor 231, a first driving gear 232 and a first driven gear 234. The first driving motor 231 is installed on the frame 7 and connected to the first driving gear 232. The first driving gear 232 is engaged with the first driven gear 234, and the first driven gear 234 is fixed to the end of the first screw blade 22. The first driving gear 232 is a pinion gear, the first driven gear 234 is a large gear, realizes speed reduction, can realize heat insulation and reduces the influence of high temperature on the first driving motor 231.

[0026] To further reduce the impact of high temperatures on the first drive motor 231, the first drive assembly 23 also includes a first bearing housing 235 and a first drive shaft 236. The first bearing housing 235 is positioned at the height of the frame 7 and is connected to the first drive shaft 236, allowing the first drive shaft 236 to rotate freely. The first drive shaft 236 is connected to the first helical blade 22 and the first driven gear 234, respectively. The first drive shaft 236 connects the first driven gear 234 to the first helical blade 22, extending the distance between the first driven gear 234 and the first helical blade 22, achieving reliable heat insulation, reducing the impact of high temperatures on the first drive motor 231, and improving the service life of the first drive motor 231.

[0027] To facilitate the installation of the first bearing housing 235 and the first drive motor 231, the first drive assembly 23 also includes an adjustment base 238. The adjustment base 238 is fixed on the frame 7 and the first bearing housing 235 is mounted on the adjustment base 238. The first drive motor 231 is fixed on the frame 7 by a motor bracket.

[0028] To facilitate heating and heat preservation and reduce heat damage, the first heating device 3 includes several first heating rings, which are fixed on the first conveying cylinder 21 and arranged along its length. Each first heating ring includes a first heating wire and a first heat preservation cover. The first heating wire is annularly disposed inside the annular first heat preservation cover and abuts against the surface of the first conveying cylinder 21. The first heating wire heats the first conveying cylinder 21, thereby melting the metal raw material inside the first conveying cylinder 21 to a state suitable for injection, which can be semi-solid or liquid.

[0029] The structure of the second mold device 4 is the same as that of the first mold device 1, the structure of the second spiral feeding device 5 is the same as that of the first spiral feeding device 2, and the structure of the second heating device 6 is the same as that of the first heating device 3.

[0030] The second mold device 4 and the first mold device 1 form two processing stations, which improves production efficiency.

[0031] The dual-station semi-solid metal forming machine adopts a semi-solid extrusion process, which features low production temperature, high product quality, easy forming, environmental protection and energy saving. It also adopts a staggered layout, which greatly improves production efficiency and reduces the cost of production parts. At the same time, the overall design is compact and occupies a small area.

[0032] The mold clamping system uses a direct-drive hydraulic cylinder, which has a short stroke and fast production speed. The mold clamping pressure can be adjusted by adjusting the pressure of the hydraulic system, making it suitable for various injection requirements.

[0033] Semi-solid extrusion molding also has the advantage of low molding temperature, which improves production safety and reduces energy consumption.

[0034] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without inventive effort, and these embodiments will all fall within the protection scope of the claims of this utility model.

Claims

1. A dual-station semi-solid metal forming machine, characterized in that, include: First mold device (1), used for metal forming; The first spiral feeding device (2) is connected to the first mold device (1) and is used to transport metal raw materials; The first heating device (3) is disposed on the first spiral feeding device (2) and is used to heat the metal raw material into a semi-solid state. The second mold device (4) is used for metal forming; The second spiral feeding device (5) is connected to the second mold device (4) and is used to transport metal raw materials; The second heating device (6), disposed on the second screw feeder (5), is used to heat the metal raw material into a semi-solid state; and The frame (7) has the first mold device (1) and the second mold device (4) respectively located at both ends of the frame (7). The first spiral feeding device (2) and the second spiral feeding device (5) are both installed on the frame (7) and are staggered. They are both used to melt and transport metal in the closed spiral feeding device. The first screw feeding device (2) has the same structure as the second screw feeding device (5), and the first screw feeding device (2) includes: The first conveying cylinder (21) is mounted on the frame (7) and is provided with a first feed hopper (211). The first heating device (3) is mounted on the first conveying cylinder (21). The first helical blade (22) is rotatably disposed inside the first conveying cylinder (21); The first drive assembly (23) is mounted on the frame (7) and connected to the first spiral blade (22); as well as The first conveying nozzle (24) is located at one end of the first conveying cylinder (21) and is connected to the first mold device (1); The first heating device (3) has the same structure as the second heating device (6). The first heating device (3) includes a plurality of first heating rings, which are disposed on the first conveying cylinder (21).

2. The dual-station semi-solid metal forming machine according to claim 1, characterized in that, The first mold device (1) has the same structure as the second mold device (4), and the first mold device (1) includes: The first tail plate (11) is located at one end of the frame (7); The first guide rod (12) has one end attached to the first tail plate (11); The first fixed plate (13) is located at the other end of the first guide rod (12); The first movable plate (14) is slidably disposed on the first guide rod (12); A moving mold assembly (15) is disposed on the first moving plate (14); A stationary mold assembly (16), the stationary mold assembly (16) being disposed on the first fixed plate (13); and The first pressing cylinder (17) is located on the first fixed plate (13) and connected to the first moving plate (14), and is used to press the moving mold assembly (15) onto the stationary mold assembly (16) through the first moving plate (14).

3. The dual-station semi-solid metal forming machine according to claim 1, characterized in that, The first driving component (23) includes: The first drive motor (231) is mounted on the frame (7); The first drive gear (232) is mounted on the first drive motor (231); and The first driven gear (234) is disposed on the first helical blade (22) and meshes with the first driving gear (232).

4. A dual-station semi-solid metal forming machine according to claim 3, characterized in that, The first driving component (23) further includes: A first bearing housing (235) is disposed on the frame (7); and The first drive shaft (236) is rotatably mounted on the first bearing seat (235) and is connected to the first helical blade (22) and the first driven gear (234) respectively.

5. A dual-station semi-solid metal forming machine according to claim 4, characterized in that, The first drive assembly (23) further includes an adjustment base (238), which is disposed on the frame (7) and connected to the first bearing seat (235) and the first drive motor (231).

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