CN210547998U - Wedge type mold locking device and large-tonnage semi-solid metal die casting machine - Google Patents
Wedge type mold locking device and large-tonnage semi-solid metal die casting machine Download PDFInfo
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- CN210547998U CN210547998U CN201921684476.6U CN201921684476U CN210547998U CN 210547998 U CN210547998 U CN 210547998U CN 201921684476 U CN201921684476 U CN 201921684476U CN 210547998 U CN210547998 U CN 210547998U
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Abstract
The utility model discloses a wedge type mode locking device, which comprises an installation frame, a fixed template, a movable template, a locking mechanism and a die assembly driving mechanism; the fixed template is fixed at the front end of the installation frame, the movable template is slidably arranged in the middle of the installation frame, and an accommodating space is formed between the fixed template and the movable template; the locking mechanism comprises a first driving device, a first inclined plate and a wedge plate, the first driving device is vertically fixed on the mounting frame, the first inclined plate is fixed on the side surface of the movable template, and the top of the wedge plate is fixedly connected with an output shaft of the first driving device; the die assembly driving mechanism comprises a second driving device, an output shaft of the second driving device is fixedly connected with the movable die plate, and the output shaft of the second driving device is not interfered with the wedge plate. The utility model also discloses a large-tonnage semisolid metal die casting machine. The utility model discloses a wedge mode locking device can provide the mode locking force of large-tonnage, has that the operation is stable, convenient operation, compact structure, occupation space are little and the energy consumption is low advantage.
Description
Technical Field
The utility model relates to a half solid-state die-casting production field, concretely relates to wedge mode locking device and large-tonnage half solid-state metal die casting machine.
Background
The semi-solid extrusion casting is a method for forming by combining semi-solid rheological pulping, thixotropic pulping and extrusion casting and utilizing the characteristics of non-dendritic semi-solid slurry with solid and liquid coexisting. The main ideas of the technology are as follows: and pouring the qualified alloy liquid into a pulping chamber at a temperature higher than the liquidus temperature to prepare slurry with good semi-solid characteristics for pouring. Filling the semi-solid slurry into the cavity under the action of gravity, then applying pressure to the semi-solid slurry in the cavity by using an extrusion mechanism, carrying out hot die forging treatment, maintaining the pressure for a period of time, releasing pressure and opening the die after the semi-solid slurry is completely solidified, and finally obtaining a near-net-shaped part with compact interior and good performance by supplementing necessary heat treatment.
In the prior art, the invention patent with the chinese patent application number of CN201810379558.3 discloses a full-vertical semi-solid die casting machine with an automatic feeding device, which comprises an integral frame, an injection station, an upper slide block, a lower slide block, a locking mechanism, a feeding mechanism, an injection chamber assembly, an injection cylinder and a die, wherein the injection station is arranged in the middle of the integral frame, the upper slide block and the lower slide block are oppositely arranged on the integral frame, the locking mechanism is respectively connected with the lower slide block and the integral frame, the feeding mechanism is arranged at the side edge of the integral frame, the injection chamber assembly is fixed on the feeding mechanism, the injection cylinder is arranged at the center of the bottom of the integral frame, the injection chamber assembly is connected with the injection cylinder in a matching way, and the die is arranged on the injection; although this semi-solid state die casting machine can effectively reduce the horizontal liquid level top and the air area of contact of the interior molten metal of surge-chamber, reduces the probability that metal is the oxidation pollution, nevertheless still has following problem: the locking mechanism comprises a mold locking cylinder, a crank mold locking device and a gear automatic synchronous adjusting nut, wherein the mold locking cylinder is arranged above an upper beam, two ends of the crank mold locking device are respectively connected with the upper beam and an upper sliding block, and the mold locking cylinder is connected with the crank mold locking device through the gear automatic synchronous adjusting nut; when raw materials are injected into a mold cavity at high pressure, mold supporting force is generated, so that a mold locking unit must provide enough mold locking force to prevent a mold from being supported, the locking mechanism provides vertical force for mold locking through a mold locking cylinder, the defect of unstable mold locking force exists, and when the mold locking force is large, a large-tonnage mold locking cylinder is needed, and the defects of complex structure, large volume and high energy consumption exist.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a wedge mode locking device, which can provide the mode locking force of a large tonnage and has the advantages of stable operation, convenient operation, compact structure, small occupied space and low energy consumption.
The second objective of the utility model is to provide a large-tonnage semisolid metal die casting machine including above-mentioned wedge mode locking device.
The utility model discloses an one of the purpose adopts following technical scheme to realize:
a wedge mode locking device which characterized in that: the device comprises an installation frame, a fixed template, a movable template, a locking mechanism and a die assembly driving mechanism; defining the length direction of the mounting frame as the horizontal direction and the height direction of the mounting frame as the vertical direction;
the fixed template is fixedly arranged at the front end of the installation frame, the movable template is slidably arranged in the middle of the installation frame, and an accommodating space is formed between the fixed template and the movable template;
the locking mechanism comprises a first driving device, a first inclined plate, a second inclined plate and a wedge plate, the first driving device is vertically and fixedly installed on the installation frame, the first inclined plate is fixedly installed on the side surface of the movable template far away from the side of the fixed template, the second inclined plate is fixedly installed on the side surface of the wedge plate close to the side of the movable template, and the top of the wedge plate is fixedly connected with an output shaft of the first driving device; the inclined surface of the first inclined plate can be in sliding fit with the inclined surface of the second inclined plate; the wedge plate is driven by the first driving device to descend or ascend along the vertical direction, so that the inclined surface of the first inclined plate and the inclined surface of the second inclined plate are locked or separated;
the die assembly driving mechanism comprises a second driving device fixedly mounted at the rear end of the mounting frame, an output shaft of the second driving device is fixedly connected with the movable die plate, and the output shaft of the second driving device is not interfered with the wedge plate; the second driving device drives the movable template to be close to or far away from the fixed template along the horizontal direction, so that the die assembly or the die separation is realized.
Further, the matching mode between the wedge plate and the second driving device comprises any one of the following two modes:
the first method is as follows: the wedge plate and the projection of the output shaft of the second driving device on the horizontal plane do not overlap; the number of the second driving devices is two, and the second driving devices are fixedly arranged on two sides of the wedge plate respectively;
the second method comprises the following steps: and a notch is formed in the bottom of the wedge plate, and an output shaft of the second driving device penetrates through the notch of the wedge plate to be fixedly connected with the movable template.
further, an included angle between the inclined plane of the first inclined plate and the vertical plane is α, and an included angle between the inclined plane of the second inclined plate and the vertical plane is β, where α is β, and α is 3 ° to 10 °.
more preferably, said α is 5 °.
Further, the wedge type mold locking device further comprises a mold closing cylinder base fixedly installed at the rear end or the side face of the installation frame, and the second driving device is fixedly installed on the mold closing cylinder base; the wedge type mold locking device further comprises a tie bar, one end of the tie bar is fixedly connected with the fixed mold plate, and the other end of the tie bar is fixedly connected with the mold closing cylinder seat; the movable template can be sleeved on the Gollin column in a sliding mode.
Further, still be equipped with the guide rail on the installation frame, the bottom of movable mould board is equipped with the slider, the slider with guide rail sliding fit.
Furthermore, the first inclined plate and the movable template are of a detachable connected split structure, and the second inclined plate and the wedge plate are of a detachable connected split structure.
Further, the first driving device is a mold locking hydraulic cylinder, and the second driving device is a mold closing hydraulic cylinder.
The second purpose of the utility model is realized by adopting the following technical scheme:
a large-tonnage semisolid metal die casting machine comprises a semisolid metal die and an injection mechanism, and is characterized by also comprising a wedge type die locking device which is one of the purposes of the utility model; the semi-solid metal mold is arranged in the accommodating space of the wedge type mold locking device, the injection mechanism is arranged below the mounting frame, and an injection port of the injection mechanism is connected with a feed port of the semi-solid metal mold.
Further, an ejection mechanism for ejecting materials in a cavity of the semi-solid metal die is further arranged on the mounting frame.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the wedge type mold locking device of the utility model comprises an installation frame, a fixed mold plate, a movable mold plate, a locking mechanism and a mold closing driving mechanism; the wedge plate is driven by a first driving device to descend or ascend along the vertical direction, so that the inclined surface of the first inclined plate and the inclined surface of the wedge plate are locked or separated; the second driving device drives the movable template to approach or depart from the fixed template along the horizontal direction, so that the die assembly or die separation is realized; due to the wedge plate, the force in the vertical direction provided by the first driving device can be converted into the force in the horizontal direction, and the force in the horizontal direction provided by the second driving device are combined together to form a mold clamping force, so that the tonnage of the mold clamping hydraulic cylinder is reduced, and meanwhile, a sufficient mold clamping force can be provided. Therefore, the utility model discloses a wedge mode locking device can provide the mode locking power of large-tonnage (more than 10000 tons), has the advantage that the operation is stable, convenient operation, compact structure, occupation space are little and the energy consumption is low (more than 50% energy-conservation).
2. The utility model discloses a large-tonnage semi-solid metal die casting machine, which comprises a semi-solid metal die, an injection mechanism and a wedge type die locking device; the operation process is as follows: firstly, controlling a first driving device to drive a wedge plate to rise along the vertical direction, so that the inclined surface of the first inclined plate is separated from the inclined surface of the wedge plate, and controlling a second driving device to drive a movable template to be far away from a fixed template along the horizontal direction, so as to realize mold separation; then, mounting a semi-solid metal mold in the accommodating space of the wedge type mold locking device, and controlling a second driving device to drive a movable mold plate to approach a fixed mold plate along the horizontal direction to realize mold locking; controlling a first driving device to drive a wedge plate to descend along the vertical direction, so that locking is realized between the inclined surface of the first inclined plate and the inclined surface of the wedge plate; and finally, performing semi-solid metal injection through an injection mechanism. Due to the wedge plate, the force in the vertical direction provided by the first driving device can be converted into the force in the horizontal direction, and the force in the horizontal direction provided by the second driving device are combined together to form a mold clamping force, so that the tonnage of the mold clamping hydraulic cylinder is reduced, and meanwhile, a sufficient mold clamping force can be provided. Therefore, the utility model discloses a large-tonnage semisolid metal die casting machine can provide the mode locking power of large-tonnage (more than 10000 tons), has that the operation is stable, convenient operation, compact structure, occupation space are little and the energy consumption is low (energy-conserving more than 50%) advantage.
3. The first inclined plate and the movable template of the utility model are detachably connected split structures, and the second inclined plate and the wedge plate are detachably connected split structures; the containing space and the wedge plate clamping force formed between the fixed template and the movable template can be adjusted by adjusting the thickness and the angle of the first inclined plate and the second inclined plate, and the cost of equipment loss parts can be reduced by only replacing the first inclined plate and the second inclined plate after the first inclined plate and the second inclined plate are worn in the use process.
4. The projection of the wedge plate and the output shaft of the second driving device on the horizontal plane is not overlapped; the number of the second driving devices is two, and the second driving devices are fixedly arranged on two sides of the wedge plate respectively. Due to the design, the output shaft of the second driving device and the wedge plate can be ensured not to interfere with each other, and meanwhile, the movable template is uniformly stressed, and the whole structure is more compact.
Drawings
Fig. 1 is a schematic structural view of a wedge clamping apparatus according to example 1;
fig. 2 is a schematic structural view of a large-tonnage semi-solid metal die casting machine according to embodiment 2.
In the figure: 10. a mounting frame; 20. fixing a template; 30. moving the template; 41. a first driving device; 42. a first sloping plate; 43. a wedge plate; 44. a second swash plate; 51. a second driving device; 60. a Golin pole; 70. a semi-solid metal mold; 80. an injection mechanism; 90. and (4) an ejection mechanism.
Detailed description of the preferred embodiments
The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available.
Example 1:
referring to fig. 1, a wedge type mold locking apparatus includes an installation frame 10, a fixed mold plate 20, a movable mold plate 30, a locking mechanism, and a mold locking driving mechanism; defining the length direction of the mounting frame as the horizontal direction and the height direction of the mounting frame as the vertical direction;
the mounting frame 10 includes a base, a pillar, and a cross member.
The fixed die plate 20 is fixedly installed at the front end of the base of the installation frame 10, the movable die plate 30 is slidably disposed in the middle of the base of the installation frame 10, and an accommodating space is formed between the fixed die plate 20 and the movable die plate 30;
the locking mechanism comprises a first driving device 41, a first inclined plate 42, a wedge plate 43 and a second inclined plate 44, wherein the first driving device 41 is vertically and fixedly installed on a cross beam of the installation frame 10, the first inclined plate 42 is fixedly installed on the side surface of the movable template 30 far away from the fixed template 20, the second inclined plate 44 is fixedly installed on the side surface of the wedge plate 43 close to the movable template 30, and the top of the wedge plate 43 is fixedly connected with an output shaft of the first driving device 41; the inclined surface of the first inclined plate 42 can be in sliding fit with the inclined surface of the second inclined plate 44; the wedge plate 43 is driven by the first driving device 41 to descend or ascend along the vertical direction, so that the locking or the separation between the inclined surface of the first inclined plate 42 and the inclined surface of the second inclined plate 44 is realized;
the mold closing driving mechanism comprises a second driving device 51 horizontally and fixedly mounted at the rear end of the base of the mounting frame 10, an output shaft of the second driving device 51 is fixedly connected with the movable mold plate 30, and the output shaft of the second driving device 51 and the wedge plate 43 do not interfere with each other; the movable platen 30 is driven by the second driving device 51 to move closer to or away from the fixed platen 20 in the horizontal direction, thereby performing mold closing or mold separation.
In a preferred embodiment, the wedge plate and the output shaft of the second driving device do not overlap in projection on a horizontal plane; the number of the second driving devices is two, and the second driving devices are respectively fixedly arranged at two sides of the wedge plate 43. By adopting the design, the output shaft of the second driving device 51 and the wedge plate 43 can be ensured not to interfere with each other, and meanwhile, the stress of the movable mould plate 30 is uniform, and the whole structure is more compact.
in a preferred embodiment, an angle between the inclined surface of the first swash plate 42 and the vertical surface is α, and an angle between the inclined surface of the second swash plate 44 and the vertical surface is β, where α is β and α is 5 °.
In a preferred embodiment, the wedge clamping apparatus further includes a clamping cylinder block fixedly attached to a rear end or a side surface of the base of the mounting frame 10, and the second driving device 51 is fixedly attached to the clamping cylinder block; the wedge type mold locking device further comprises four tie bars 60, one ends of the tie bars 60 are fixedly connected with the fixed mold plate 20, and the other ends of the tie bars 60 are fixedly connected with the mold closing cylinder base; the movable template 30 is slidably sleeved on the tie bar 60. By the design, the sliding of the movable mould plate 30 can be balanced, the tension caused by mould locking can be borne, and a better guiding effect can be achieved.
As a preferred embodiment, the mounting frame 10 is further provided with a guide rail, and the bottom of the movable mold plate 30 is provided with a slide block, and the slide block is connected with the guide rail in a sliding fit manner. By means of the design, the movable die plate 30 can be guided to slide better, and friction is reduced.
In a preferred embodiment, the first inclined plate 42 and the movable die plate 30 are detachably connected and have a separate structure, and the second inclined plate 44 and the wedge plate 43 are detachably connected and have a separate structure; the containing space and the wedge plate clamping force formed between the fixed template and the movable template can be adjusted by adjusting the thickness and the angle of the first inclined plate and the second inclined plate, and the cost of a device loss part can be reduced by only replacing the first inclined plate after the fixed template and the movable template are worn in the using process.
In a preferred embodiment, the first driving device 41 is a mold clamping hydraulic cylinder, and the second driving device 51 is a mold clamping hydraulic cylinder.
Example 2:
referring to fig. 2, the present embodiment provides a large-tonnage semi-solid metal die casting machine, which includes a semi-solid metal die 70 and an injection mechanism 80, and further includes the wedge mold locking device described in embodiment 1; the semi-solid metal mold 70 is disposed in the accommodating space of the wedge type mold locking device, the injection mechanism 80 is disposed below the mounting frame 10, and an injection port of the injection mechanism 80 is connected to a feed port of the semi-solid metal mold 70. The mounting frame 10 is further provided with an ejection mechanism 90 for ejecting the material in the cavity of the semi-solid metal mold 70.
The semi-solid metal mold 70, the injection mechanism 80 and the ejection mechanism 90 in this embodiment are all commercially available products; the injection mechanism 80 can also adopt a suspension design, the charging barrel and the slurry rise simultaneously to keep the relative position unchanged, and the phenomenon that the charging barrel of the traditional injection mechanism rises alone, the slurry slides downwards and the cold charging barrel wall contacts to influence the die-casting forming quality is avoided.
The working principle is as follows: firstly, controlling the first driving device 41 to drive the wedge plate 43 to ascend along the vertical direction, so that the inclined surface of the first inclined plate 42 is separated from the inclined surface of the second inclined plate 44, and controlling the second driving device 51 to drive the movable die plate 30 to be far away from the fixed die plate 20 along the horizontal direction, so as to realize die parting; then, installing a semi-solid metal mold 70 in the accommodating space of the wedge type mold locking device, and controlling a second driving device 51 to drive a movable mold plate 30 to approach a fixed mold plate 20 along the horizontal direction to realize mold closing; controlling the first driving device 41 to drive the wedge plate 43 to descend in the vertical direction, so that locking is achieved between the inclined surface of the first inclined plate 42 and the inclined surface of the second inclined plate 44; and finally, semi-solid metal injection is performed by the injection mechanism 80. Due to the wedge plate 43, the vertical force provided by the first driving device 41 can be converted into the horizontal force, and the vertical force and the horizontal force provided by the second driving device 51 are combined together to form a clamping force, so that the tonnage of the clamping hydraulic cylinder can be reduced, and meanwhile, a sufficient clamping force can be provided.
The rest is the same as in example 1.
Example 3:
the inclined surface of the first inclined plate and the vertical surface of the second inclined plate form an included angle α, the inclined surface of the second inclined plate and the vertical surface of the second inclined plate form an included angle of β, wherein α is of β, and α is 3 degrees.
The rest is the same as in example 1.
Example 4:
the inclined surface of the first inclined plate and the vertical surface of the second inclined plate form an included angle α, the inclined surface of the second inclined plate and the vertical surface of the second inclined plate form an included angle of β, wherein α is of β, and α is 10 degrees.
The rest is the same as in example 1.
Example 5:
the embodiment has the characteristics that: and a notch is formed in the bottom of the wedge plate, and an output shaft of the second driving device penetrates through the notch of the wedge plate to be fixedly connected with the movable template. The design can reduce the occupied space.
The rest is the same as in example 1.
Other examples are as follows:
the number of the tie bars can be adjusted according to actual needs.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A wedge mode locking device which characterized in that: the device comprises an installation frame, a fixed template, a movable template, a locking mechanism and a die assembly driving mechanism; defining the length direction of the mounting frame as the horizontal direction and the height direction of the mounting frame as the vertical direction;
the fixed template is fixedly arranged at the front end of the installation frame, the movable template is slidably arranged in the middle of the installation frame, and an accommodating space is formed between the fixed template and the movable template;
the locking mechanism comprises a first driving device, a first inclined plate, a second inclined plate and a wedge plate, the first driving device is vertically and fixedly installed on the installation frame, the first inclined plate is fixedly installed on the side surface of the movable template far away from the side of the fixed template, the second inclined plate is fixedly installed on the side surface of the wedge plate close to the side of the movable template, and the top of the wedge plate is fixedly connected with an output shaft of the first driving device; the inclined surface of the first inclined plate can be in sliding fit with the inclined surface of the second inclined plate; the wedge plate is driven by the first driving device to descend or ascend along the vertical direction, so that the inclined surface of the first inclined plate and the inclined surface of the second inclined plate are locked or separated;
the die assembly driving mechanism comprises a second driving device fixedly mounted at the rear end of the mounting frame, an output shaft of the second driving device is fixedly connected with the movable die plate, and the output shaft of the second driving device is not interfered with the wedge plate; the second driving device drives the movable template to be close to or far away from the fixed template along the horizontal direction, so that the die assembly or the die separation is realized.
2. A wedge lock apparatus according to claim 1, wherein said wedge plate is engaged with said second driving means in any one of the following two manners:
the first method is as follows: the wedge plate and the projection of the output shaft of the second driving device on the horizontal plane do not overlap; the number of the second driving devices is two, and the second driving devices are fixedly arranged on two sides of the wedge plate respectively;
the second method comprises the following steps: and a notch is formed in the bottom of the wedge plate, and an output shaft of the second driving device penetrates through the notch of the wedge plate to be fixedly connected with the movable template.
3. a wedge lock according to claim 1, wherein an angle between the inclined surface of said first inclined plate and the vertical surface is α, and an angle between the inclined surface of said second inclined plate and the vertical surface is β, wherein α is β, and α is 3 ° to 10 °.
4. a wedge lock apparatus according to claim 3, wherein α is 5 °.
5. A wedge clamping apparatus according to claim 1, further comprising a clamping cylinder block fixedly installed at a rear end or a side of said mounting frame, said second driving means being fixedly installed at said clamping cylinder block; the wedge type mold locking device further comprises a tie bar, one end of the tie bar is fixedly connected with the fixed mold plate, and the other end of the tie bar is fixedly connected with the mold closing cylinder seat; the movable template can be sleeved on the Gollin column in a sliding mode.
6. A wedge lock according to claim 1, wherein said mounting frame further comprises a guide rail, and said movable platen further comprises a slide block at a bottom thereof, said slide block being slidably engaged with said guide rail.
7. The apparatus according to claim 1, wherein the first inclined plate and the movable platen are detachably coupled and formed as separate bodies, and the second inclined plate and the wedge plate are detachably coupled and formed as separate bodies.
8. A wedge clamping apparatus according to claim 1, wherein said first driving means is a clamping hydraulic cylinder, and said second driving means is a clamping hydraulic cylinder.
9. A large-tonnage semi-solid metal die casting machine, comprising a semi-solid metal die and an injection mechanism, characterized by further comprising a wedge type die locking device according to any one of claims 1 to 8; the semi-solid metal mold is arranged in the accommodating space of the wedge type mold locking device, the injection mechanism is arranged below the mounting frame, and an injection port of the injection mechanism is connected with a feed port of the semi-solid metal mold.
10. A large tonnage semi-solid metal die casting machine as recited in claim 9 wherein said mounting frame is further provided with an ejection mechanism for ejecting material within the cavity of the semi-solid metal die.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921684476.6U CN210547998U (en) | 2019-10-09 | 2019-10-09 | Wedge type mold locking device and large-tonnage semi-solid metal die casting machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921684476.6U CN210547998U (en) | 2019-10-09 | 2019-10-09 | Wedge type mold locking device and large-tonnage semi-solid metal die casting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523953A (en) * | 2019-10-09 | 2019-12-03 | 广州中冶迈克机电有限公司 | A wedge-type clamping device and a large-tonnage semi-solid metal die-casting machine |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523953A (en) * | 2019-10-09 | 2019-12-03 | 广州中冶迈克机电有限公司 | A wedge-type clamping device and a large-tonnage semi-solid metal die-casting machine |
| CN110523953B (en) * | 2019-10-09 | 2025-02-07 | 广州中冶迈克机电有限公司 | A wedge-type clamping device and a large-tonnage semi-solid metal die-casting machine |
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