Symmetrical semi-solid metal forming machine

Abstract

The utility model relates to a symmetrical semi-solid metal forming machine which comprises a first die device and a second die device. The first spiral feeding device is connected with the first mold device; 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 and the first mold device are symmetrically arranged; the second spiral feeding device is connected with the second mold device; 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 mold locking device is connected with the first mold device and the second mold device and used for locking the first mold device and the second mold device. The first mold device, the second mold device, the first spiral feeding device, the second spiral feeding device and the mold locking device are all installed on the rack. Through the symmetrical layout, the symmetrical 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 symmetrical 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 multiple front auxiliary equipment (furnace, soup mechanical hand, etc.), the overall manufacturing cost is high. UTILITY MODEL CONTENT

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

[0005] A symmetrical 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 provided on the first spiral feeding device for heating the metal raw materials into a semi-solid state; a second mold device symmetrically arranged with the first 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 provided on the second spiral feeding device for heating the metal raw materials into a semi-solid state; a mold locking device connected with the first mold device and the second mold device respectively for locking the first mold device and the second mold device; and a rack, the first mold device, the second mold device, the first spiral feeding device, the second spiral feeding device and the mold locking device are all installed on the rack.

[0006] Preferably, the mold locking device comprises: a first fixed plate provided on the rack and connected with the first spiral feeding device; a guide rod provided on the first fixed plate; a first movable plate slidingly provided on the guide rod; a second fixed plate provided on the rack and symmetrically arranged with the first fixed plate, the second fixed plate is also connected with the guide rod and the second spiral feeding device respectively; a second movable plate slidingly provided on the guide rod and oppositely arranged with the first movable plate; and a double-head mold locking cylinder connected with the first movable plate and the second movable plate respectively; wherein the first mold device is connected with the first movable plate and the first fixed plate respectively, and the second mold device is connected with the second movable plate and the second fixed plate respectively.

[0007] Preferably, the first screw feeding device and the second screw feeding device are identical in structure, 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 an adjusting base provided on the frame and connected with the first bearing seat and the first driving motor.

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

[0012] Compared with the prior art, the symmetric half-solid metal forming machine has the following beneficial effects:

[0013] The symmetric half-solid metal forming machine provided by the application can realize compact structure and small floor area through symmetric layout, improve production efficiency, reduce production cost, adopt half-solid extrusion forming process, has the advantages of low forming temperature, high production safety, low energy consumption, can form parts with complex structure, reduces processing difficulty, and does not need preposition equipment, thereby reducing equipment investment. 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 an assembly schematic view of the first mold device, the second mold device and the mold locking device;

[0017] Figure 4 is Figure 3 a sectional view;

[0018] Figure 5 is a structural schematic view of the first screw feeding device;

[0019] Figure 6 is a sectional view of the first screw feeding device. DETAILED DESCRIPTION

[0020] The utility model will be further described in connection with the drawings.

[0021] As Figures 1 to 6 shown, a symmetrical semi-solid metal forming machine comprises a first mold device 1, a first screw feeding device 2, a first heating device 3, a second mold device 4, a second screw feeding device 5, a second heating device 6, a mold locking device 7 and a rack 8. The first mold device 1 and the second mold device 4 are the same in structure, are used for metal forming and are symmetrically arranged. The first screw feeding device 2 and the second screw feeding device 5 are the same in structure, are installed on the rack 8, the first screw feeding device 2 and the second screw feeding device 5 are connected with the first mold device 1 and the second mold device 4 respectively and are used for conveying metal raw materials, the first heating device 3 is installed on the first screw feeding device 2, the second heating device 6 is installed on the second screw feeding device 5, the first heating device 3 and the second heating device 6 are the same in structure and are used for heating metal raw materials into semi-solid or liquid state and injecting the semi-solid metal into the first mold device 1 and the second mold device 4 through the first screw feeding device 2 and the second screw feeding device 5 to form parts. The mold locking device 7 is connected with the first mold device 1 and the second mold device 4 respectively, and the mold locking device 7 is used for opening and closing and locking of the first mold device 1 and the second mold device 4.

[0022] Casting needs to melt metal into liquid state in a furnace first, then transfer and cast the liquid metal into a mold to form, and the high-temperature liquid metal is exposed to the air in the whole process, so there are safety hazards and large heat loss. The metal is melted and conveyed in the closed screw 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 melt the metal completely into liquid, reducing the production temperature, greatly reducing the energy consumption and production cost. Because injection molding is used, continuous production can be carried out, and there is no need to prepare sand cores, complex parts can be formed, and the production efficiency is high.

[0023] The symmetrical structure obtains two forming stations, which can make the structure fit, reduce the floor area, improve the production efficiency, and make the two mold devices share one clamping device 7, so that the structure is simple and the equipment cost is reduced.

[0024] Since the melting is directly performed in the screw feeding device, there is no need for a pre-melting furnace, a soup feeding robot and other devices, which greatly reduces the equipment cost, reduces the energy consumption and the production cost.

[0025] The clamping device 7 includes a first fixed plate 71, a guide rod 73, a second fixed plate 75, a second movable plate 74 and a double-head clamping cylinder 76. The first fixed plate 71 and the second fixed plate 75 are fixed on the rack 8 and are symmetrically arranged, the first fixed plate 71 is connected with the first screw feeding device 2, the second fixed plate 75 is also connected with the second screw feeding device 5, and the first screw feeding device 2 and the second screw feeding device 5 can also be symmetrically arranged. The guide rod 73 is provided with four guide rods 73, the two ends of the guide rod 73 are connected with the first fixed plate 71 and the second fixed plate 75 respectively, the first movable plate 72 and the second movable plate 74 are slidably installed on the guide rod 73 and are oppositely arranged with the first fixed plate 71 and the second fixed plate 75 respectively. The double-head clamping cylinder 76 is a double-head hydraulic cylinder, two piston rods of the double-head clamping cylinder 76 are connected with the first movable plate 72 and the second movable plate 74 respectively; the first mold device 1 is connected with the first movable plate 72 and the first fixed plate 71 respectively, and the second mold device 4 is connected with the second movable plate 74 and the second fixed plate 75 respectively. The first movable plate 72 and the second movable plate 74 share the guide rod 73, which reduces the number of guide rods 73, the double-head clamping cylinder 76 controls the first movable plate 72 and the second movable plate 74, which reduces the number of hydraulic cylinders, and the symmetrical structure reduces the occupied area, can realize the production of two stations at the same time, and improves the production efficiency.

[0026] The first mold device 1 and the second mold device 4 are the same in structure, the first mold device 1 includes a first movable mold assembly and a first stationary mold assembly, the first movable mold assembly includes a first movable mold plate 13 and a first movable mold bottom plate 14, the first movable mold plate 13 is provided with a first movable cavity, the first movable mold plate 13 is installed on the first movable mold bottom plate 14, and the first movable mold bottom plate 14 is installed on the first movable plate 72. The first stationary mold assembly includes a first stationary mold plate 12 and a first stationary mold bottom plate 11, the first stationary mold plate 12 is provided with a first stationary cavity, the first stationary mold plate 12 is fixed on the first stationary mold bottom plate 11, and the first stationary mold bottom plate 11 is fixed on the first fixed plate 71. The first movable cavity and the first stationary cavity form a cavity for forming a part.

[0027] The second mold device comprises a second movable mold assembly and a second stationary mold assembly. The second movable mold assembly comprises a second movable mold plate 43 and a second movable mold base plate 44. The second movable mold plate 43 is provided with a second movable cavity, and is installed on the second movable mold base plate 44. The second movable mold base plate 44 is installed on the second movable plate 74. The second stationary mold assembly comprises a second stationary mold plate 42 and a second stationary mold base plate 41. The second stationary mold plate 42 is provided with a second stationary cavity, and is fixed on the second stationary mold base plate 41. The second stationary mold base plate 41 is fixed on the second fixed plate 75. The second movable cavity and the second stationary cavity form a cavity for molding a part.

[0028] The first spiral feeding device 2 comprises a first conveying cylinder 21, a first spiral blade 22, a first driving assembly 23 and a first conveying nozzle 24. The first conveying cylinder 21 is installed on the frame 8 through a conveying connecting seat 27. The first conveying cylinder 21 is provided with a first feeding hopper 211. The first spiral blade 22 is rotatably installed in the first conveying cylinder 21, and is connected with the first driving assembly 23. The first heating device 3 is arranged on the first conveying cylinder 21. The first driving assembly 23 is arranged on the frame 8. The first conveying nozzle 24 is installed at the discharging end of the first conveying cylinder 21, is connected with the first fixed plate 71 of the first mold device 1, and is communicated with the first stationary cavity. The spiral feeding device can conveniently feed materials, and can feed the materials through extrusion, so that the materials have a certain pressure, realize injection of the materials into the cavity of the mold, and the spiral feeding device can be conveniently heated by the heating device, so that the metal is melted into a semi-solid state. The semi-solid metal can ensure flowability and reliable molding, and can reduce the production temperature, energy consumption and cost.

[0029] The second spiral feeding device 5 is connected with the second fixed plate 75. A second conveying nozzle of the second spiral feeding device 5 is communicated with the second stationary cavity.

[0030] In order to realize reliable driving, the first driving assembly 23 comprises a first driving motor 231, a second driving gear and a first driven gear 233. The first driving motor 231 is installed on the frame 8, and is connected with the first driving gear 232. The first driving gear 232 is engaged with the first driven gear 233. The first driven gear 233 is fixed at the end of the first spiral blade 22. The first driving gear 232 is a pinion gear. The first driven gear 233 is a large gear, so that the speed is reduced, and heat insulation is realized, and the influence of high temperature on the first driving motor 231 is reduced.

[0031] In order to further reduce the influence of high temperature on the first driving motor 231, the first driving assembly 23 further comprises a first bearing seat 235 and a first driving shaft 234, the first bearing seat 235 is high on the rack 8 and is connected with the first driving shaft 234, so that the first driving shaft 234 can rotate freely, and the first driving shaft 234 is connected with the helical blade and the first driven gear 233 respectively. The first driving shaft 234 realizes the connection of the first driven gear 233 and the first helical blade 22, prolongs the distance between the first driven gear 233 and the first helical blade 22, can realize reliable heat insulation, reduces the influence of high temperature on the first driving motor 231, and improves the service life of the first driving motor 231.

[0032] In order to facilitate the installation of the first bearing seat 235 and the first driving motor 231, the first driving assembly 23 further comprises an adjusting base 28, the adjusting base 28 is fixed on the rack 8, and the first bearing seat 235 is installed on the adjusting base 28, and the first driving motor 231 is fixed on the rack 8 through the motor support.

[0033] In order to facilitate heating and heat preservation, reduce heat loss, the first heating device 3 comprises a plurality of first heating rings, the first heating rings are fixed on the first conveying cylinder 21, and the length direction of the first conveying cylinder 21 is provided. The first heating ring comprises a first heating wire and a first heat preservation cover, the first heating wire is arranged in the ring-shaped first heat preservation cover in a ring shape, and abuts against the surface of the first conveying cylinder 21, the first heating wire heats the first conveying cylinder 21, and then melts the metal raw materials in the first conveying cylinder 21, so that the metal raw materials are melted to a state capable of being injected, which can be semi-solid or liquid.

[0034] The symmetrical semi-solid metal forming machine adopts a semi-solid extrusion process, has low production temperature, high product quality, easy forming, environmental protection and energy saving, and adopts a symmetrical layout, which doubles the production efficiency and reduces the cost of production parts. The overall design is compact and occupies a small area.

[0035] The mold locking adopts a direct drive hydraulic cylinder, the moving stroke is short, the production speed is fast, and the mold locking pressure can be adjusted by adjusting the pressure of the hydraulic system, so that various injection requirements can be met.

[0036] The semi-solid extrusion forming also has the advantages of low forming temperature, which improves the safety of production and reduces energy consumption.

[0037] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these embodiments will all fall within the protection scope of the claims of the present application.

Claims

1. A symmetrical semi-solid metal forming machine, characterized in that: include: A first mold device (1) for metal forming; a first screw feeding device (2), connected to the first mold device (1), and used for conveying metal raw materials; A first heating device (3) is provided on the first screw feeding device (2) and is used to heat the metal raw material into a semi-solid state; a second mold device (4), arranged symmetrically with the first mold device (1), and used for metal forming; a second screw feeding device (5), connected to the second mold device (4), for conveying metal raw materials; A second heating device (6) is provided on the second screw feeding device (5) and is used to heat the metal raw material into a semi-solid state; A mold locking device (7), connected to the first mold device (1) and the second mold device (4), respectively, for locking the first mold device (1) and the second mold device (4); as well as A frame (8), the first mold device (1), the second mold device (4), the first screw feeding device (2), the second screw feeding device (5) and the clamping device (7) are all installed on the frame (8).

2. A symmetrical semi-solid metal forming machine according to claim 1, characterized in that: The clamping device (7) comprises: a first fixed plate (71), the first fixed plate (71) being arranged on the frame (8) and connected to the first spiral feeding device (2); A guide rod (73), the guide rod (73) being arranged on the first fixed plate (71); a first movable plate (72), the first movable plate (72) being slidably disposed on the guide rod (73); a second fixed plate (75), the second fixed plate (75) being arranged on the frame (8) and symmetrically arranged with the first fixed plate (71), and the second fixed plate (75) being respectively connected to the guide rod (73) and the second spiral feeding device (5); a second movable plate (74), the second movable plate (74) being slidably disposed on the guide rod (73) and being disposed opposite to the first movable plate (72); and A double-headed mold locking cylinder (76), wherein the double-headed mold locking cylinder (76) is connected to the first movable plate (72) and the second movable plate (74) respectively; Wherein, the first mold device (1) is connected to the first movable plate (72) and the first fixed plate (71) respectively, and the second mold device (4) is connected to the second movable plate (74) and the second fixed plate (75) respectively.

3. A symmetrical semi-solid metal forming machine according to claim 1, characterized in that: The first spiral feeding device (2) and the second spiral feeding device (5) have the same structure. The first spiral feeding device (2) comprises: A first conveying cylinder (21), the first conveying cylinder (21) is arranged on the frame (8) and is provided with a first feeding hopper (211), and the first heating device (3) is arranged on the first conveying cylinder (21); a first spiral blade (22), the first spiral blade (22) being rotatably disposed in the first conveying cylinder (21); a first drive assembly (23), the first drive assembly (23) being disposed on the frame (8) and connected to the first spiral blade (22); and A first conveying nozzle (24) is provided at one end of the first conveying cylinder (21) and is connected to the first mold device (1).

4. A symmetrical semi-solid metal forming machine according to claim 3, characterized in that: The first drive assembly (23) comprises: a first drive motor (231), the first drive motor (231) being arranged on the frame (8); a first driving gear (232), the first driving gear (232) being provided on the first driving motor (231); and A first driven gear (233), wherein the first driven gear (233) is provided on the first spiral blade (22) and meshes with the first driving gear (232).

5. A symmetrical semi-solid metal forming machine according to claim 4, characterized in that: The first drive assembly (23) further comprises: a first bearing seat (235), the first bearing seat (235) being arranged on the frame (8); and A first driving shaft (234) is rotatably mounted on the first bearing seat (235) and is respectively connected to the first spiral blade (22) and the first driven gear (233).

6. A symmetrical semi-solid metal forming machine according to claim 5, characterized in that: The first driving assembly (23) further includes an adjusting base (28), wherein the adjusting base (28) is disposed on the frame (8) and is connected to the first bearing seat (235) and the first driving motor (231).

7. A symmetrical semi-solid metal forming machine according to claim 3, characterized in that: The first heating device (3) and the second heating device (6) have the same structure. The first heating device (3) comprises a plurality of first heating rings, and the first heating rings are arranged on the first conveying cylinder (21).

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