New energy vehicle control rod die casting mold

Abstract

The invention discloses a die-casting mold for a control rod of a new energy vehicle, comprising a movable outer mold, a third plate frame mold, an ejector plate, a bottom plate, a demoulding mechanism and a lifting mechanism which are arranged in sequence, wherein the third plate frame mold is fixedly connected to the bottom plate through a connecting block; the lifting mechanism comprises a slider seat, an inclined wedge and an ejector rod, the slider seat is slidably connected to the ejector plate and is movably connected to the ejector plate through a spring, the inclined wedge is arranged above the slider seat, one end of which is fixedly connected to the third plate frame mold, and the other end is movably connected to the slider seat through an inclined surface structure, when the ejector plate does not move, one end of the ejector rod is located in a three-dimensional slot hole of the slider seat; the demoulding mechanism comprises an inner draw slide, an inner core pull and a slider, one end of the inner draw slide is fixed in the third plate frame mold, and the slider is installed in the movable inner mold. The movable mold is divided into two parts, and a time difference is constructed by combining the sophisticated structure of the lifting mechanism and the demoulding mechanism, so as to achieve the purpose of demoulding first and then ejecting and unloading, effectively preventing the deformation of the casting and ensuring the flatness of the casting.

Description

Technical Field

[0001] The invention belongs to the technical field of die casting production, and in particular relates to a die casting mold for a control rod of a new energy vehicle. Background Art

[0002] The control lever of new energy vehicles is a long, thin aluminum alloy casting with undercuts on both sides and high flatness requirements. It is most economical to use a one-mold, two-cavity mold to cast this casting. Since this casting has undercuts on both the outside and inside, the undercuts on the outside can be demoulded using an external side core pulling mechanism, and the undercuts on the inside can only be demoulded using a tilting ejection mechanism due to mold space limitations.

[0003] The inclined ejector with molding characteristics is hingedly installed on the ejector plate. After the mold is opened, the ejector plate moves with the inclined ejector and the ejector at the same time. When the inclined ejector is demolded, the ejector ejects the casting outward. Since this aluminum alloy casting is relatively thin and has a high flatness requirement, the use of ordinary inclined ejector demolding mechanism will cause serious deformation of the product and cannot meet customer requirements. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a die-casting mold for a control rod of a new energy vehicle, which can enable an ejector pin to be demoulded on the inner side and then eject the casting, so as to overcome the shortcomings of the prior art.

[0005] To achieve the above-mentioned purpose, the technical solution provided by the present invention is as follows:

[0006] A die-casting mold for a control rod of a new energy vehicle comprises a movable outer mold, a third plate frame mold, an ejector plate, a bottom plate, a demoulding mechanism and a lifting mechanism which are arranged in sequence, wherein a movable inner mold is arranged in the movable outer mold, a cavity is arranged in the movable inner mold, the third plate frame mold is fixedly connected to the bottom plate through a connecting block, and is movably connected to the movable outer mold through a guide column; the lifting mechanism comprises a slider seat, an inclined wedge and an ejector rod, the slider seat is slidably connected to the ejector plate and is movably connected to the ejector plate through a spring, the inclined wedge is arranged above the slider seat, one end of which is connected to the third The plate-frame mold is fixedly connected, and the other end is movably connected to the slider seat through an inclined structure. A slot hole is provided in the slider seat. When the ejector plate does not move, one end of the ejector rod is located in the slot hole, and the other end of the ejector rod is movably installed in the third plate-frame mold; the demoulding mechanism includes an inner pull-out slide, an inner core pull and a slider, one end of the inner pull-out slide is fixed in the third plate-frame mold, and the other end is movably inserted in the movable inner mold, the slider is installed in the movable inner mold, and is slidably connected to the side inclined slide of the inner pull-out slide, and the inner core pull is fixedly connected to the slider.

[0007] In the present technical scheme, when the ejector plate is pushed out after the mold is opened, the ejector rod drives the parts beside the third plate frame mold to move, the inner pull-out slide is fixedly connected to the third plate frame mold, relative sliding occurs between the inner pull-out slide and the slider, and the inner core pulling completes the demolding of the undercut; the ejector plate continues to be pushed out, the inclined wedge pushes the slider seat to one side, the slot hole comes to the bottom of the ejector rod, the ejector rod falls into the slot hole, and the spring arranged between the movable outer mold and the third plate frame mold resets the parts beside the third plate frame mold except the slider and the inner core pulling, and the ejector installed in the ejector plate contacts the casting again, and as the ejector plate continues to be pushed out, the ejector ejects the casting outward to complete the ejection of the casting.

[0008] Compared with the prior art, the beneficial effects of the present invention are: by dividing the movable mold into two parts, a time difference is constructed by combining the sophisticated structure of the jacking mechanism and the demoulding mechanism, the purpose of demoulding first and then ejecting and unloading is achieved, deformation of the casting is effectively prevented, and the flatness of the casting is ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below.

[0010] Figure 1 It is a three-dimensional picture of the die-casting mold of the control rod of the new energy vehicle;

[0011] Figure 2 yes Figure 1 The enlarged schematic diagram of point A in the middle;

[0012] Figure 3 It is the structural diagram of the demoulding mechanism and the lifting mechanism. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0014] Example

[0015] See also Figure 1 The die-casting mold for the control rod of a new energy vehicle shown in the figure includes two casting cavities. The outside of the mold is provided with a cylinder 10 for completing the outer side undercut core pulling corresponding to each cavity. The movable mold includes a movable outer mold 20, a third plate frame mold 30, an ejector plate 40, a bottom plate 50, two sets of demoulding mechanisms and a lifting mechanism arranged in sequence. A movable inner mold 60 is arranged in the movable outer mold 20, and a cavity is arranged in the movable inner mold 60. The third plate frame mold 30 is fixedly connected to the bottom plate 50 through a connecting block 100, and is movably connected to the movable outer mold 20 through a guide column; a guide plate is fixedly provided on the outer side of the third plate frame mold 30, and a guide groove for inserting the guide plate is arranged on the outer side of the movable outer mold 20. See Figure 2 and 3The lifting mechanism includes a slider seat 71, a slant wedge 72 and a push rod 73. The slider seat 71 is slidably connected to the ejector plate 40 and is movably connected to the ejector plate 40 through a spring 74. A spring fixing block 75 is provided in the ejector plate 40, and the end of the spring is fixed in the spring fixing block. The slant wedge 72 is provided above the slider seat 71, one end of which is fixedly connected to the third plate frame mold 30, and the other end is movably connected to the slider seat 71 through an inclined surface structure. A slot 76 is provided in the slider seat 71. When the ejector plate 40 does not move, one end of the push rod 73 is located in the slot, and the other end of the push rod 73 is movably installed in the third plate frame mold 30. The demoulding mechanism includes an inner pull-out slide 81, an inner core pull-out 82 and a slider 83. One end of the inner pull-out slide 81 is fixed in the third plate frame mold 30, and the other end is movably inserted in the movable inner mold 60. The slider is installed in the movable inner mold 60 and is slidably connected to the side inclined slide of the inner pull-out slide 81. The inner core pull-out 82 is connected to the slider using a T-shaped structure or a dovetail structure.

[0016] The action flow of the above mold is:

[0017] 1. When the ejector plate 40 is pushed out after the mold is opened, the ejector rod 73 drives the parts beside the third plate frame mold 30 to move, the inner pull-out slide 81 is fixedly connected to the third plate frame mold 30, and relative sliding occurs between the inner pull-out slide 81 and the slider, and the inner pull-out core 82 completes the demoulding of the undercut;

[0018] 2. The ejector plate 40 continues to be pushed out, the inclined wedge 72 pushes the slider seat 71 to one side, the slot comes to the bottom of the ejector rod 73, the ejector rod 73 falls into the slot, and the spring arranged between the movable outer mold 20 and the third plate frame mold 30 resets the components beside the third plate frame mold 30 except the slider and the inner pull core 82;

[0019] 3. The ejector pins installed in the ejector plate 40 come into contact with the casting again. As the ejector plate 40 continues to be pushed out, the ejector pins eject the casting outward, thereby completing the ejection of the casting.

[0020] In the second step, since the slider and the inner core pull 82 are in a relative sliding relationship in the movable inner mold 60 and a spring is provided between the slider and the inner core pull 82, when the movable inner mold 60 is reset, the slider and the inner core pull 82 will not be reset accordingly.

[0021] A guide sleeve 85 is provided in the movable inner mold 60 to guide the inner drawer slideway 81. The guide sleeve should be made of a wear-resistant material.

[0022] An extension section 77 is provided at one end of the oblique wedge 72 corresponding to the slider seat 71, and a straight surface guide structure 78 is used between the extension section and the slider seat 71 to realize active connection. Before the oblique wedge 72 and the inclined surface of the slider seat 71 are in contact, the oblique wedge 72 and the slider seat 71 are guided by the straight surface.

[0023] In summary, the beneficial effect of the present invention is that the mold is ejected twice when the mold is opened. When the mold ejector plate 40 starts to move, the secondary ejection slider directly presses the ejector rod 73 to drive all parts of the mold movable mold to remove the inner pull-out slider using the inner pull-out inclined slider, and the core pulling of the product is completed. The mold ejector plate 40 continues to move forward and the inclined wedge opposite the secondary ejection slider drives the spring to complete the ejector rod 73 falling into the secondary ejection slider hole, so as to continue to use the original ejector of the mold to eject the product and complete the basic action of the mold.

[0024] Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. New energy vehicle control rod die casting mold, characterized in that: The invention comprises a movable outer mold, a third plate frame mold, an ejector plate, a bottom plate, a demoulding mechanism and a lifting mechanism which are arranged in sequence. The movable outer mold is provided with a movable inner mold, and a cavity is provided in the movable inner mold. The third plate frame mold is fixedly connected to the bottom plate through a connecting block, and is movably connected to the movable outer mold through a guide column. The lifting mechanism comprises a slider seat, an inclined wedge and an ejector rod. The slider seat is slidably connected to the ejector plate and is movably connected to the ejector plate through a spring. The inclined wedge is arranged above the slider seat, one end of which is fixedly connected to the third plate frame mold, and the other end is fixedly connected to the third plate frame mold. One end is movably connected with the slider seat through an inclined surface structure, a slot hole is provided in the slider seat, when the ejector plate does not move, one end of the ejector rod is located in the slot hole, and the other end of the ejector rod is movably installed in the third plate frame mold; the demoulding mechanism comprises an inner pull-out slide, an inner core pull and a slider, one end of the inner pull-out slide is fixed in the third plate frame mold, and the other end is movably inserted in the movable inner mold, the slider is installed in the movable inner mold, and is slidably connected to the side inclined slide of the inner pull-out slide, and the inner core pull is fixedly connected to the slider; The movable inner mold is provided with a guide sleeve, and the inner draw-out slideway passes through the guide sleeve; The inner core pulling device is connected to the slider by a T-shaped structure or a dovetail structure; A spring fixing block is provided in the ejector plate, and the end of the spring is fixed in the spring fixing block; An extension section is provided at one end of the oblique wedge corresponding to the slider seat, and a straight-face guide structure is adopted between the extension section and the slider seat to realize active connection; A guide plate is fixedly arranged on the outer side of the third plate frame mold, and a guide groove is arranged on the outer side of the movable outer mold.

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