Display shell forming die
Technical Field
The utility model relates to the field of display shell molding, in particular to a display shell molding die.
Background
The vehicle-mounted central control display comprises a shell, a display screen and internal components, wherein the display shell is usually molded by casting, so that a casting mold is needed.
Chinese patent CN201920220904.3 discloses a high-precision display housing assembly injection mold, which comprises a fixed mold, a movable mold, and a cavity disposed between the fixed mold and the movable mold, wherein a gate extending into the cavity is disposed on the fixed mold.
According to research, when the high-precision display shell assembly injection mold is used for casting the display shell, the casting liquid has long leveling time and poor leveling effect, and the casting liquid is often not filled in place, so that the problem to be solved at present is solved.
Disclosure of utility model
The utility model aims to provide a display shell forming die which can shake filled casting liquid back and forth when the display shell is cast, so that the casting liquid can be leveled and filled in place as soon as possible, and the casting forming efficiency and effect of the display shell are improved.
The utility model provides a display shell forming die which comprises a lower die, an upper die and a driving piece arranged between the lower die and the upper die, wherein the driving piece is arranged to drive the upper die and the lower die to be clamped or opened, a supporting bedplate is arranged at the bottom of the lower die, vertical plates are arranged at two ends of the supporting bedplate, at least two guide rods vertically penetrating through the upper die are arranged between the two vertical plates, the lower die is in sliding connection with the guide rods, a reset spring is sleeved on the guide rods and positioned between the lower die and the vertical plates, a push plate movably penetrating through the vertical plates is fixedly connected to one side of the lower die, a servo motor is arranged outside the vertical plates, and a cam contacting the push plate is arranged on the servo motor.
Preferably, the mounting plate is fixedly connected to the outer side of the vertical plate, the servo motor is mounted on the mounting plate, and the shaft body of the servo motor penetrates through the mounting plate downwards to be arranged and connected with the cam.
Preferably, a plurality of arc supports perpendicular to the vertical plate are arranged at the bottom of the lower die, and arc surfaces of the arc supports are in sliding contact with the support platen.
Preferably, a plurality of the arc supports are arranged at equal intervals.
Preferably, the driving piece comprises a bracket fixedly connected to two ends of the lower die and a cross beam connected with the brackets at two ends, a hydraulic cylinder is arranged on the cross beam, and a shaft body of the hydraulic cylinder penetrates through the cross beam and then is connected with the upper die.
Preferably, the support comprises a central vertical plate, two sides of the central vertical plate are fixedly connected with side support plates, and the lower ends of the side support plates are fixedly connected with the end sides of the lower die.
Preferably, the four corner positions of the upper die are respectively provided with a pouring hole.
According to the technical scheme, the display shell forming die comprises a lower die, an upper die and a driving piece arranged between the lower die and the upper die, wherein the driving piece is arranged to drive the upper die and the lower die to be clamped or opened, a supporting bedplate is arranged at the bottom of the lower die, vertical plates are arranged at two ends of the supporting bedplate, at least two guide rods vertically penetrating through the upper die are arranged between the two vertical plates, the lower die is in sliding connection with the guide rods, a reset spring is sleeved on the guide rods and positioned between the lower die and the vertical plates, a push plate movably penetrating through the vertical plates is fixedly connected to one side of the lower die, a servo motor is arranged outside the vertical plates, and a cam contacting the push plate is arranged on the servo motor.
The display shell forming die has the advantages that die assembly and die opening can be achieved through driving of the driving piece, in addition, when die assembly and pouring are conducted, the pushing plate is driven by the driving cam of the servo motor to drive the pushing plate to drive the whole of the lower die and the upper die to reciprocate, the lower die and the upper die can be reset rapidly when moving through the reset spring, and pouring liquid can be leveled and filled in place as soon as possible through reciprocating shaking of the pouring liquid, so that the efficiency and effect of casting and forming of the display shell are improved.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of a preferred embodiment of a display housing forming mold;
FIG. 2 is a schematic view of the bottom side of FIG. 1;
FIG. 3 is a rear view of FIG. 1;
FIG. 4 is a schematic view of the cross-sectional structure A-A of FIG. 3;
FIG. 5 is a right side view of FIG. 1;
fig. 6 is a schematic view of the sectional B-B structure of fig. 5.
Description of the reference numerals
1-Vertical plate, 2-push plate, 3-cam, 4-mounting plate, 5-servo motor, 6-lower die, 7-upper die, 8-pouring hole, 9-center vertical plate, 10-cross beam, 11-hydraulic cylinder, 12-side support plate, 13-guide rod, 14-reset spring, 15-support platen and 16-arc support.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
In the present utility model, unless otherwise indicated, terms such as "upper, lower, left, right, front, rear, and inner and outer" and the like are used merely to denote the orientation of the term in a conventional use state or are commonly understood by those skilled in the art, and should not be construed as limiting the term.
The display shell forming die comprises a lower die 6, an upper die 7 and a driving piece arranged between the lower die 6 and the upper die 7, wherein the driving piece is arranged to drive the upper die 7 to be matched with the lower die 6 or open the die, a supporting platen 15 is arranged at the bottom of the lower die 6, vertical plates 1 are arranged at two ends of the supporting platen 15, at least two guide rods 13 vertically penetrating through the upper die 7 are arranged between the two vertical plates 1, the lower die 6 is in sliding connection with the guide rods 13, a reset spring 14 is sleeved on the guide rods 13 and positioned between the lower die 6 and the vertical plates 1, a push plate 2 movably penetrating through the vertical plates 1 is fixedly connected to one side of the lower die 6, a servo motor 5 is arranged outside the vertical plates 1, a cam 3 contacting the push plate 2 is arranged on the servo motor 5, and a die cavity matched with the display shell can be formed after the upper die 7 and the lower die 6 are matched with each other.
Through the implementation of the technical scheme, the die assembly and the die opening can be realized through the driving of the driving piece, in addition, when the die assembly is poured, the push plate 2 is pushed by the driving cam 3 of the servo motor 5 to drive the whole reciprocating movement of the lower die 6 and the upper die 7, the lower die 6 and the upper die 7 can be quickly reset when moving through the reset spring 14, and the pouring liquid can be leveled and filled in place as soon as possible through the reciprocating shaking of the pouring liquid, so that the efficiency and the effect of the display shell casting molding are improved. Wherein a guide hole for providing sliding of the guide bar 13 is provided on the lower die 6, the guide hole not passing through the cavity of the lower die 6. The guide rod 13 may be a cylindrical polish rod, and the guide hole is correspondingly configured as a cylindrical polish hole. In addition, the push plate 2 is provided in a rectangular structure, and the outer end surface thereof can be in pressing contact with the side surface of the cam 3, so that the cam 3 can press and push the push plate 2 with rotation. Rectangular sliding holes for providing the transverse sliding of the push plate 2 are correspondingly arranged on the vertical plate 1.
In this embodiment, in order to further provide a mounting manner of the servo motor 5, a mounting plate 4 is fixedly connected to the outer side of the vertical plate 1, the servo motor 5 is mounted on the mounting plate 4, and a shaft body of the servo motor 5 penetrates through the mounting plate 4 downwards to be connected with the cam 3.
In this embodiment, a plurality of arc supports 16 perpendicular to the vertical plate 1 are arranged at the bottom of the lower die 6, and the arc surfaces of the arc supports 16 are in sliding contact with the support platen 15. By such arrangement, the contact area between the bottom surface of the lower die 6 and the upper surface of the support platen 15 is reduced, and friction loss is reduced. Of course, the plurality of circular arc supports 16 may be replaced by a plurality of bullseye bearings distributed in a matrix.
In this embodiment, a plurality of the arc supports 16 are provided at equal intervals in order to enable the lower die 6 to obtain a stable supporting effect.
In this embodiment, in order to further provide a driving member, the driving member includes a bracket fixedly connected to two ends of the lower mold 6 and a cross beam 10 connected to the brackets at two ends, a hydraulic cylinder 11 is mounted on the cross beam 10, and a shaft body of the hydraulic cylinder 11 penetrates through the cross beam 10 and then is connected to the upper mold 7. The upper die 7 is driven to move up and down by the action of the hydraulic cylinder 11, so that die opening and die closing are realized.
In this embodiment, the bracket includes a central riser 9, two sides of the central riser are fixedly connected with side support plates 12, and the lower ends of the side support plates 12 are fixedly connected with the end sides of the lower die 6. By such arrangement, the side support plates 12 are provided on both sides, and the support stability of the bracket is improved.
In this embodiment, one pouring hole 8 is provided at each of four corner positions of the upper die 7. The pouring holes 8 are communicated with the die cavity, and the pouring liquid dispersing effect is better by arranging the pouring holes 8 and arranging the pouring holes 8 at the four corner positions of the upper die 7 respectively.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.