Reflecting mirror support injection mold in automobile HUD system

Abstract

The utility model discloses a reflector support injection mold in an automobile HUD system, which comprises an upper fixing plate, a front mold plate, a rear mold plate, a bearing plate and a lower fixing plate, the front mold plate is connected to the bottom surface of the upper fixing plate, a front mold core is embedded in the bottom surface of the front mold plate, a rear mold core is embedded in the rear mold plate, the bearing plate is connected below the rear mold plate, and the lower fixing plate is connected below the bearing plate. When the front mold plate and the rear mold plate are closed, the front mold core and the rear mold core are closed, a cavity is formed between the front mold core and the rear mold core, a support injection molding part formed by pouring in the cavity is in an inverted triangle shape, the inclined face on one side of the support injection molding part abuts against the inner side of the rear mold core, and an inclined face forming assembly is arranged on the other inclined face. The slope forming assembly is used for forming and demolding of the slope of the support injection-molded part. Two inclined fixing pieces are arranged on the two end faces of the support injection molding part respectively, inclined hole sites are formed in the fixing pieces, and a rear mold inclined pulling mechanism is arranged at the bottom of each fixing piece. A plurality of groups of inclined loose cores are adopted in the mold, so that the precision of product hole sites and the strength of the mold are ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile head-up display system, concretely relates to a reflector support injection mold in automobile HUD system. BACKGROUND

[0002] Automobile HUD system (Head-up Display, for short HUD) is a kind of technology that important driving information is projected to the windshield in front of driver, aims at reducing the number of times that monitor looks down to check instrument or vehicle-mounted screen, so as to improve driving safety and convenience.Reflector support is important accessory in HUD system, can provide stable installation support for the reflection of projected light, as shown in the injection structure diagram of reflector support, reflector support injection piece is overall triangular structure, and fixed sheet with hole position is further arranged on both sides of reflector support, fixed sheet is in inclined state, and the fixed sheet is the installation connection structure of reflector, due to the overall structure of reflector support is larger, there are two difficulties when designing mold, one is that inclined hole position on fixed sheet is difficult to demould, and the other is that triangular inclined surface is demoulded, if general behavior is adopted to carry out lateral demoulding, the volume occupied by the line position is too large, which will lead to insufficient strength of mold core, and affect the stability of mold clamping. Figure 1 CONTENT OF UTILITY MODEL

[0003] In view of the above problems and technical needs, the utility model provides a reflector support injection mold in automobile HUD system, and the inside of the mold is adopted to be demoulded to the triangular inclined surface and fixed sheet hole position by multiple groups of inclined core-pulling, so as to ensure the accuracy of product hole position and the strength of mold.

[0004] The technical scheme of the utility model is as follows: the reflector support injection mold in automobile HUD system, including upper fixed plate, front template, rear template, bearing plate and lower fixed plate, the front template is connected at the bottom surface of upper fixed plate, the front template bottom surface is embedded with front mold core, the rear template is embedded with rear mold core, the bearing plate is connected below the rear template, the lower fixed plate is connected below the bearing plate, when the front template and rear template are clamped, the front mold core is clamped with rear mold core, and the front mold core and rear mold core are cavity, and the support injection piece formed by pouring in cavity is inverted triangular, one side of support injection piece is inclined and abuts in the inner side of rear mold core, and the other inclined surface is provided with inclined surface forming assembly, and the inclined surface forming assembly is used for the formation and demoulding of the inclined surface of support injection piece;Two inclined fixed sheets are respectively arranged on the end surface of support injection piece, and inclined hole position is arranged on the two fixed sheets, and one rear mold inclined extraction mechanism is arranged on the bottom of each fixed sheet, and the rear mold inclined extraction mechanism is used for the formation and demoulding of fixed sheet and inclined hole position.

[0005] ​Further, the rear mold inclined pulling mechanism comprises a sliding support column and an inclined pulling slider, the bottom of the sliding support column is connected to the bearing plate through the rear mold plate, the top of the sliding support column is an inclined surface opposite to the fixed plate, the inclined surface is provided with a sliding groove, the bottom surface of the inclined pulling slider is slidably connected to the sliding groove, and the top surface of the inclined pulling slider abuts against the inclined bottom surface of the fixed plate.

[0006] Further, the inclined pulling slider is fixedly connected with a hole forming round rod, the top end of the hole forming round rod protrudes from the top surface of the inclined pulling slider, and the top end of the hole forming round rod is inserted into the inclined hole of the fixed plate.

[0007] Further, the inclined surface forming assembly comprises an inclined core and an inclined pulling base, the bottom of the inclined pulling base is fixedly connected to the bearing plate through the rear mold plate, the top of the inclined pulling base is provided with an inclined surface, and the inclined core is fixedly connected to the inclined surface; and the inner side of the inclined core is positioned to the inclined surface of the support injection molded part.

[0008] Further, the top end surface of the inclined core is an outward positioning inclined surface, the rear mold core is fixedly provided with a side positioning block, and the bottom inclined surface of the side positioning block is blocked on the positioning inclined surface of the inclined core; and the side positioning block limits the inclined core.

[0009] Further, the middle part of the front mold core is provided with a V-shaped protruding part, the V-shaped recess is formed between the inner side inclined surfaces of the inclined core and the rear mold core, the V-shaped protruding part is embedded in the V-shaped recess, and the gap between the V-shaped protruding part and the V-shaped recess forms a pouring cavity of the support injection molded part.

[0010] Further, the bearing plate and the lower fixed plate are provided with an ejection mechanism, and the ejection mechanism ejects the cooled injection molded part from the cavity.

[0011] Further, the front mold core and the rear mold core are provided with a cooling pipeline, and the cooling pipeline cools the cavity.

[0012] The utility model discloses a beneficial effect: 1) the inclined plane forming assembly in the mould is used for the forming of the inclined plane of support injection molding piece, and in order to facilitate the ejection of injection molding piece in the demoulding stage, the inclined plane is first released, and if the corresponding lateral sliding line position of the inclined plane of injection molding piece is set, then the line position volume will occupy the larger space in the back mould core, influences the strength of back mould core, changes the demoulding direction of inclined plane to draw out downward through the setting inclined pullout base, can reduce the occupied space of back mould core, can complete demoulding and keep the strength of clamping again, 2) the side position block in the inclined plane forming assembly is embedded in the back mould core, and the side position block can limit the inclined core, limit the distance of the inclined core to the upward clamping, keep the accuracy of the cavity thickness, improve the precision of support injection molding piece, 3) the back mould inclined pullout mechanism is set below the fixed sheet of both sides of support injection molding piece, and through the downward drawing of sliding support column, makes the relative sliding of inclined pullout sliding block and sliding slot, and the inclined pullout sliding block keeps the inclined separation fixed sheet, completes the demoulding of inclined hole position, solves the problem that the inclined hole position is difficult to demould, makes the hole position have higher assembly accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is support injection molding piece structure diagram that the utility model adopts mirror support injection mold to make;

[0014] Figure 2 It is external structure diagram of mirror support injection mold of the utility model;

[0015] Figure 3 It is the section of mirror support injection mold of the utility model Figure 1 ;

[0016] Figure 4 It is the section of mirror support injection mold of the utility model Figure 2 ;

[0017] Figure 5 It is the upper surface structure diagram of back mould core in the utility model;

[0018] Figure 6 It is the structure diagram of back mould core in the utility model;

[0019] Figure 7 It is the positional relationship of support injection molding piece, thick film inclined pullout mechanism and inclined plane forming assembly in the utility model Figure 1 ;

[0020] Figure 8 It is the positional relationship of support injection molding piece, thick film inclined pullout mechanism and inclined plane forming assembly in the utility model Figure 2 ;

[0021] The components in the diagram are labeled as follows: Upper fixed plate 1, front template 2, front mold core 3, V-shaped protrusion 31, cavity 4, bracket injection part 41, fixing plate 42, oblique hole 421, rear mold core 5, rear mold oblique pulling mechanism 51, sliding support column 511, slide groove 5111, oblique pulling slider 512, oblique surface forming component 52, oblique pulling base 521, oblique core 522, positioning oblique surface 5221, side positioning block 523, V-shaped groove 53, cooling pipe 54, rear template 6, support plate 7, lower fixed plate 8, ejector mechanism 81. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] like Figures 2-8 The image shows the injection mold for the reflector bracket in the automotive HUD system of this utility model, including an upper fixed plate 1, a front template 2, a rear template 6, a support plate 7, and a lower fixed plate 8. The front template 2 is connected to the bottom surface of the upper fixed plate 1, and a front mold core 3 is embedded in the bottom surface of the front template 2. A rear mold core 5 is embedded in the rear template 6. The support plate 7 is connected below the rear template 6, and the lower fixed plate 8 is connected below the support plate 7. When the front template 2 and the rear template 6 are closed, the front mold core 3 and the rear mold core 5 are closed. There is a cavity 4 between the front mold core 3 and the rear mold core 5. The bracket injection molded part 41, which is cast in the cavity 4, is an inverted triangle. One side of the bracket injection molded part 41 abuts against the inner side of the rear mold core 5, and the other side is provided with a slope forming component 52. The slope forming component 52 is used for forming and demolding the slope of the bracket injection molded part 41.

[0024] The inclined molding assembly 52 includes an inclined core 522 and an inclined pull-out base 521. The bottom of the inclined pull-out base 521 passes through the rear mold plate 6 and is fixedly connected to the support plate 7. The top of the inclined pull-out base 521 is provided with an inclined surface, and the inclined core 522 is fixedly connected to the inclined surface. The inner side of the inclined core 522 positions the inclined surface of the bracket injection molded part 41. The upper end surface of the inclined core 522 is a positioning inclined surface 5221 facing outward. A side positioning block 523 is fixedly provided on the rear mold core 5. The bottom inclined surface of the side positioning block 523 blocks the positioning inclined surface 5221 of the inclined core 522, and the side positioning block 523 limits the position of the inclined core 522.

[0025] The two ends of the bracket injection molding part 41 are respectively provided with two inclined fixing pieces 42. Both fixing pieces 42 are provided with inclined holes 421. Each fixing piece 42 is provided with a rear mold inclined pulling mechanism 51 at the bottom. The rear mold inclined pulling mechanism 51 is used for molding and demolding of the fixing pieces 42 and the inclined holes 421.

[0026] The rear mold inclined pulling mechanism 51 comprises a sliding support column 511 and an inclined pulling slider 512, the bottom of the sliding support column 511 is connected to the bearing plate 7 through the rear mold plate 6, the top of the sliding support column 511 is an inclined surface opposite to the fixed sheet 42, the inclined surface is provided with a sliding groove 5111, the bottom surface of the inclined pulling slider 512 is slidably connected with the sliding groove 5111, and the top surface of the inclined pulling slider 512 abuts against the inclined bottom surface of the fixed sheet 42; a hole position forming round rod is fixedly connected in the inclined pulling slider 512, the top end of the hole position forming round rod protrudes from the top surface of the inclined pulling slider, and the top end of the hole position forming round rod is inserted into the inclined hole position 421 of the fixed sheet.

[0027] The middle part of the front mold core 3 is provided with a V-shaped protruding part 31, a V-shaped groove 53 is formed between the inclined core 522 and the inner inclined surface of the rear mold core 5, the V-shaped protruding part 31 is embedded in the V-shaped groove 53, and the gap between the V-shaped protruding part 31 and the V-shaped groove 53 forms a pouring cavity 4 of the support injection molding part 31. Cooling pipelines 54 are arranged in the front mold core 3 and the rear mold core 5, and the cooling pipelines 54 cool the cavity 4. A material ejection mechanism 81 is arranged between the bearing plate 7 and the lower fixed plate 8, and the material ejection mechanism 81 ejects the cooled injection molding part from the cavity.

[0028] The mold opening process of the utility model: when the support injection molding part 41 in the cavity 4 is cooled, firstly, the inclined surface of the support and the fixed sheets on both sides of the support are demolded, the front mold plate 2 and the rear mold plate 6 are opened, the mold closing surface of the front mold core 3 and the rear mold core 5 is opened, the support injection molding part 41 is exposed, the material ejection mechanism 81 separates the bearing plate 7 and the rear mold plate 6, the bearing plate 7 drives the inclined pulling base 521 and the two sliding support columns 511 to be pulled out downwards at the same time, the inclined core 522 on the inclined pulling base 521 moves to the side, and the inclined pulling slider 512 is also demolded from the fixed sheet 42, when the inclined pulling demolding is completed, the material ejection mechanism 81 is started again, and the support injection molding part 41 is ejected upwards from the cavity 4.

[0029] The above is only the preferred embodiments of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of the changes and replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be the protection scope of the claims.

Claims

1. A mirror holder injection mold in an automotive HUD system, characterized in that: The application relates to a bracket injection molding device which comprises an upper fixing plate, a front mold plate, a rear mold plate, a supporting plate and a lower fixing plate, the front mold plate is connected to the bottom surface of the upper fixing plate, the bottom surface of the front mold plate is embedded with a front mold core, the upper part of the rear mold plate is embedded with a rear mold core, the supporting plate is connected to the lower part of the rear mold plate, the lower fixing plate is connected to the lower part of the supporting plate, the front mold core is combined with the rear mold core when the front mold plate and the rear mold plate are combined, a cavity is formed between the front mold core and the rear mold core, the bracket injection molding part formed by pouring in the cavity is a reverse triangular shape, one side of the bracket injection molding part is in abutment with the inner side of the rear mold core, the other side is provided with a bevel forming assembly, and the bevel forming assembly is used for forming and demolding the bevel of the bracket injection molding part; two inclined fixing pieces are arranged on the two end surfaces of the bracket injection molding part, the two fixing pieces are each provided with an inclined hole, a rear mold inclined pulling mechanism is arranged at the bottom of each fixing piece, and the rear mold inclined pulling mechanism is used for forming and demolding the fixing piece and the inclined hole.

2. The mirror holder injection mold in an automotive HUD system according to claim 1, characterized in that: The rear mold inclined pulling mechanism comprises a sliding support column and an inclined pulling sliding block, the bottom part of the sliding support column is connected to the supporting plate through the rear mold plate, the top part of the sliding support column is an inclined surface opposite to the fixing piece, a sliding groove is arranged on the inclined surface, the bottom surface of the inclined pulling sliding block is slidably connected with the sliding groove, and the top surface of the inclined pulling sliding block is in abutment with the inclined bottom surface of the fixing piece.

3. The mirror holder injection mold in an automotive HUD system according to claim 2, characterized in that: A hole forming round rod is fixedly connected in the inclined pulling sliding block, the top end of the hole forming round rod protrudes from the top surface of the inclined pulling sliding block, and the top end of the hole forming round rod is inserted into the inclined hole of the fixing piece.

4. The mirror holder injection mold in an automotive HUD system according to claim 3, characterized in that: The bevel forming assembly comprises an inclined core and an inclined pulling base, the bottom part of the inclined pulling base is fixedly connected with the supporting plate through the rear mold plate, the top part of the inclined pulling base is provided with a bevel, the inclined core is fixedly connected on the bevel, and the inner side of the inclined core is positioned to the bevel of the bracket injection molding part.

5. The mirror holder injection mold in an automotive HUD system according to claim 4, characterized in that: The upper end surface of the inclined core is a positioning bevel facing the outer side, a side positioning block is fixedly arranged on the rear mold core, the bottom bevel of the side positioning block is blocked on the positioning bevel of the inclined core, and the side positioning block limits the inclined core.

6. The mirror holder injection mold in an automotive HUD system according to claim 5, characterized in that: A V-shaped protruding part is arranged in the middle of the front mold core, a V-shaped groove is formed between the inner side bevel of the inclined core and the rear mold core, the V-shaped protruding part is embedded in the V-shaped groove, and the gap between the V-shaped protruding part and the V-shaped groove constitutes a pouring cavity of the bracket injection molding part.

7. The mirror holder injection mold in an automotive HUD system according to claim 6, characterized in that: A material ejecting mechanism is arranged between the supporting plate and the lower fixing plate, and the material ejecting mechanism ejects the cooled injection molding part from the cavity.

8. The mirror holder injection mold in an automotive HUD system according to claim 7, characterized in that: Cooling pipelines are arranged in the front mold core and the rear mold core, and the cooling pipelines cool the cavity.

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