Mold core fine adjustment mechanism applied to HUD mold

Abstract

The utility model relates to the technical field of mold cores, in particular to a mold core fine adjustment mechanism applied to an HUD mold. A plurality of upper mold core blocks are arranged in a split mode, a plurality of fine adjustment wedge blocks abutting against the outer end faces of the upper mold core blocks are distributed in the circumferential direction of the upper mold core blocks, an adjusting piece is arranged on each fine adjustment wedge block, and the set upper mold core blocks can move outwards or inwards in the horizontal direction by screwing the adjusting pieces. The vertical section of each fine adjustment wedge block is a right trapezoid, the end face, far away from the upper mold core block, of each fine adjustment wedge block is an inclined plane, an upper obtuse angle of 95 degrees and a lower acute angle of 85 degrees are formed between each inclined plane and the horizontal plane; the injection molding precision of HUD products is greatly improved, and the injection molding device is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the moulding technology field, especially in a kind of moulding micro-adjustment mechanism applied to HUD mould. BACKGROUND

[0002] HUD is a kind of device, navigation information, driving information etc. are projected to the windshield in front of driver. Its manufacturing process, injection molding technology plays a key role. Specifically, the manufacture of HUD involves injection compression molding technology, which is a kind of plastic material is injected into mould, by high temperature and pressure to make it into shape. This technology can ensure the manufacture of precise optical components of HUD, so that it can accurately project information into the front field of view of driver. In HUD mould, the upper moulding is divided into body setting, on the basis of upper moulding body setting, how can improve the injection precision of HUD product is a problem to be solved urgently. SUMMARY

[0003] The utility model aims at providing a kind of moulding micro-adjustment mechanism applied to HUD mould, to solve the problem of how to improve the injection precision of HUD product in the prior art on the basis of upper moulding body setting.

[0004] The technical scheme of the utility model is: a kind of moulding micro-adjustment mechanism applied to HUD mould, multiple upper moulding blocks of body setting, multiple the circumferential distribution of the upper moulding block is with the outer end surface of upper moulding block and the micro-adjustment wedge block that is resisted, adjusting member is set on each micro-adjustment wedge block, and screwing adjusting member can make the given upper moulding block move horizontally outward or inward.

[0005] Preferably, the vertical section of each micro-adjustment wedge block is a right trapezoid, wherein the end face away from the upper moulding block is an inclined surface, and the inclined surface forms an upper obtuse angle and a lower acute angle with the horizontal plane, the angle of the upper obtuse angle is 95 °, and the angle of the lower acute angle is 85 °.

[0006] Preferably, the adjusting member is a first bolt, the first bolt is obliquely inserted into the micro-adjustment wedge block from below, the bolt head of the first bolt is closer to the upper moulding block than the bolt tail, and the bolt tail of the first bolt is farther from the upper moulding block than the bolt head; the acute angle between the axis of the first bolt and the vertical line is 65 °.

[0007] Preferably, at least one pin is inserted into multiple upper moulding blocks, each pin is inserted into the through slot formed by the splicing of multiple upper moulding blocks; recesses are formed on the surface of multiple upper moulding blocks in contact with the pin.

[0008] The recesses are sawtooth-shaped along the horizontal direction, and the recesses are spaced apart on the surface of multiple upper moulding blocks in contact with the pin.

[0009] Preferably, the plurality of upper die blocks are centrally symmetrically arranged as a whole; the plurality of upper die blocks are arranged in the same layer and are fixed to the upper die plate by second bolts, and the structure comprises a central block arranged centrally symmetrically, left and right first blocks which are structurally identical, left and right second blocks which are structurally identical, left and right third blocks which are structurally identical;

[0010] The number of the inserts is two, and the two inserts are structurally identical, being a first insert and a second insert respectively.

[0011] Preferably, the left first block, the left second block and the left third block are sequentially spliced in a clockwise direction on the left end face of the central block, and jointly enclose a first through slot for the first insert to be inserted into.

[0012] The right first block, the right second block and the right third block are sequentially spliced in a counterclockwise direction on the right end face of the central block, and jointly enclose a second through slot for the second insert to be inserted into.

[0013] Preferably, the first through slot has four slot surfaces, and a groove is formed on each slot surface.

[0014] The second through slot has four slot surfaces, and a groove is formed on each slot surface.

[0015] The first insert and the second insert are fixed to the upper die plate by bolts.

[0016] Compared with the prior art, the application has the following advantages:

[0017] The die block fine adjustment mechanism applied to the HUD mold in the utility model comprises a plurality of upper die blocks arranged in parts, a plurality of fine adjustment wedges abutting against the outer end faces of the upper die blocks are distributed in the circumferences of the plurality of upper die blocks, an adjusting piece is arranged on each fine adjustment wedge, and the predetermined upper die block can be moved horizontally outward or inward by screwing the adjusting piece; when the first bolt is screwed out a little from the fine adjustment wedge, the abutting force of the fine adjustment wedge on the corresponding upper die block becomes smaller, so that the corresponding upper die block can be moved outward slightly; when the first bolt is screwed into the fine adjustment wedge a little, the abutting force of the fine adjustment wedge on the corresponding upper die block becomes larger, so that the corresponding upper die block can be moved inward slightly, so as to realize the fine adjustment of the plurality of upper die blocks, greatly improve the injection precision of the HUD product, and facilitate use. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be described further in combination with the drawings and embodiments:

[0019] Figure 1 It is a structure schematic view of the die block fine adjustment mechanism applied to the HUD mold in the embodiment;

[0020] Figure 2 It is a structure schematic view of the die block fine adjustment mechanism applied to the HUD mold in the embodiment; Figure 1 a front view of the embodiment;

[0021] Figure 3 a perspective structural schematic view of the fine adjustment wedge and the first bolt of the embodiment;

[0022] Figure 4 a perspective structural schematic view of the assembly of the plurality of upper die blocks and the first pin of the embodiment.

[0023] Wherein: 1, groove, 2, first pin, 3, center block, 4, left first block, 5, left second block, 6, left third block, 7, right first block, 8, right second block, 9, right third block, 10, fine adjustment wedge, 11, first bolt. DETAILED DESCRIPTION

[0024] The content of the utility model will be further described in detail in combination with specific embodiments:

[0025] In the description of the utility model, it should be understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model in that the indicated devices or elements must have a specific direction, be constructed and operated in a specific direction.

[0026] As shown in Figure 1 , a die block fine adjustment mechanism applied to a HUD mold, a plurality of upper die blocks arranged in parts, a plurality of fine adjustment wedges 10 arranged in the circumferential direction of the upper die blocks and abutting against the outer end faces of the upper die blocks, an adjusting member arranged on each fine adjustment wedge 10, and the adjusting member can be screwed to move the given upper die block horizontally outward or inward. The vertical section of each fine adjustment wedge 10 is a right trapezoid, the end face far from the upper die block is an inclined face, and the inclined face forms an upper obtuse angle and a lower acute angle with the horizontal plane, as shown in Figure 2 , the angle A of the upper obtuse angle is 95°, and the angle B of the lower acute angle is 85°. As shown in Figure 3 , the adjusting member is a first bolt 11, the first bolt 11 is obliquely inserted into the fine adjustment wedge 10 from the lower end, the bolt head of the first bolt 11 is closer to the upper die block than the bolt tail, and the bolt tail of the first bolt 11 is farther from the upper die block than the bolt head; the acute angle C between the axis of the first bolt 11 and the vertical line is 65° (as shown in Figure 2The utility model discloses a micro-adjusting wedge block 10 is arranged between the upper die block and the upper die block, and the first bolt 11 is inserted into the micro-adjusting wedge block 10, and the micro-adjusting wedge block 10 is in contact with the upper die block, as shown in the figure). In the utility model, when the first bolt 11 is screwed out a little from the micro-adjusting wedge block 10, the top resistance of the micro-adjusting wedge block 10 to the corresponding upper die block will become smaller, so that the corresponding upper die block can be moved outward slightly, when the first bolt 11 is screwed into the micro-adjusting wedge block 10 a little, the top resistance of the micro-adjusting wedge block 10 to the corresponding upper die block will become larger, so that the corresponding upper die block can be moved inward slightly, so as to realize the micro-adjustment of the plurality of upper die blocks, greatly improve the injection precision of the HUD product, and the use is convenient;If the upper die block is integral in the prior art, once the HUD product tested has defects or insufficient precision, the entire upper die block needs to be disassembled from the injection molding machine for repair, which is very time-consuming and laborious.

[0027] As Figure 4 As shown in the figure, at least one pin is inserted into the plurality of upper die blocks, and each pin is inserted into the through slot formed by the plurality of upper die blocks in a matched manner; a groove 1 is formed on the surface of the plurality of upper die blocks in contact with the pin; the groove 1 is in a sawtooth shape extending along the horizontal direction, and the groove 1 is spaced apart and arranged on the surface of the plurality of upper die blocks in contact with the pin. The groove 1 reduces the contact area between the pin and the plurality of upper die blocks, and further reduces the friction between the pin and the plurality of upper die blocks, which is beneficial to the installation of the pin into the plurality of upper die blocks; the pin is used to compact the HUD product, and the setting of the pin facilitates the replacement and maintenance of the pin; the advantages of the split design of the upper die block are as follows: first, if the upper die block is integral, the groove 1 on the upper die block is in a vertical end surface and is concave, the groove 1 cannot be machined by many machine tools, and the machining time of the integral upper die block is also relatively long; by splitting the upper die block, the surface that needs to be machined can be located on the top surface, and the groove 1 can be machined; second, by splitting the upper die block, the upper die block can be machined by CNC, wire cutting, grinding machine and other machine tools, a more suitable machining method can be selected, the machining precision of each upper die block is improved, and the machining precision of the entire upper die block formed by the plurality of upper die blocks is improved; third, by splitting the upper die block, each upper die block can be machined simultaneously, and the machining time is reduced by 50% compared with the integral upper die block; fourth, by splitting the upper die block, the exhaust effect of the upper die block is better.

[0028] The plurality of upper die blocks are centrally symmetrically arranged as a whole; the plurality of upper die blocks are arranged on the same layer and are fixed on the upper die plate through the second bolts, and the structure comprises a central block 3 arranged centrally symmetrically, left and right first blocks 4 and 7 which are structurally identical, left and right second blocks 5 and 8 which are structurally identical, left and right third blocks 6 and 9 which are structurally identical; the number of the inserts is two, and the structures of the two inserts are the same, which are a first insert 2 and a second insert; the left first block 4, the left second block 5 and the left third block 6 are sequentially spliced in a clockwise direction on the left end face of the central block 3, and jointly enclose a first through slot for the first insert 2 to be inserted; the right first block 7, the right second block 8 and the right third block 9 are sequentially spliced in a counterclockwise direction on the right end face of the central block 3, and jointly enclose a second through slot for the second insert to be inserted. The first through slot has four slot surfaces, and a groove 1 is formed on each slot surface; the second through slot has four slot surfaces, and a groove 1 is formed on each slot surface; the first insert 2 and the second insert are fixed on the upper die plate through bolts. In the utility model, the plurality of upper die blocks are centrally symmetrically arranged as a whole, and the structure comprises a central block 3 arranged centrally symmetrically, left and right first blocks 4 and 7 which are structurally identical, left and right second blocks 5 and 8 which are structurally identical, left and right third blocks 6 and 9 which are structurally identical, so that the processing of the upper die blocks is facilitated.

[0029] The above examples are only for illustrating the technical concept and characteristics of the utility model, and the purpose is to enable those skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the utility model, therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

Claims

1. A mold core fine-tuning mechanism applied to a HUD mold, characterized in that: include: There are multiple separately arranged upper mold blocks, and multiple fine-tuning wedges are distributed circumferentially on the upper mold blocks, which are against the outer end faces of the upper mold blocks. Each of the fine-tuning wedges is provided with an adjusting piece, and screwing the adjusting piece can make the given upper mold block move horizontally outward or inward.

2. The mold core fine-tuning mechanism for a HUD mold according to claim 1, characterized in that: The vertical section of each fine-tuning wedge is a right-angled trapezoid, wherein the end face away from the upper die block is an inclined surface, and the inclined surface forms an upper obtuse angle and a lower acute angle with the horizontal plane, the angle of the upper obtuse angle is 95°, and the angle of the lower acute angle is 85°.

3. The mold core fine-tuning mechanism for a HUD mold according to claim 1, characterized in that: The adjusting part is a first bolt, which is inserted into the fine-tuning wedge block at an angle from bottom to top. The bolt head of the first bolt is close to the upper mold core block relative to the bolt tail, and the bolt tail of the first bolt is far from the upper mold core block relative to the bolt head; the acute angle between the axis of the first bolt and the vertical line is 65°.

4. The mold core fine-tuning mechanism for a HUD mold according to claim 1, characterized in that: At least one insert is inserted into the plurality of upper mold core blocks, and each insert fits into a through groove formed by the plurality of upper mold core blocks; a groove is formed on the surface of the plurality of upper mold core blocks that contacts the insert; The groove is in a sawtooth shape extending in the horizontal direction, and the groove is spaced apart and distributed over a plurality of surfaces of the upper mold core blocks that are in contact with the insert.

5. The mold core fine-tuning mechanism for a HUD mold according to claim 4, characterized in that: The plurality of upper mold core blocks are arranged in a centrally symmetrical manner as a whole; the plurality of upper mold core blocks are arranged in the same layer and fixed to the upper mold plate by second bolts, and the structure thereof comprises a central block arranged in a centrally symmetrical manner, a left first block and a right first block having the same structure, a left second block and a right second block having the same structure, and a left third block and a right third block having the same structure; The number of the inserts is two, and the two inserts have the same structure, namely a first insert and a second insert.

6. The mold core fine-tuning mechanism for a HUD mold according to claim 5, characterized in that: The first left block, the second left block, and the third left block are spliced ​​clockwise on the left end surface of the central block, and together enclose a first through slot for the first insert to be inserted into. The right first block, the right second block and the right third block are sequentially spliced ​​on the right end face of the central block in a counterclockwise direction, and together enclose a second through slot for the second insert to be inserted.

7. The mold core fine-tuning mechanism for a HUD mold according to claim 6, characterized in that: The first through groove has four groove surfaces, each of which is provided with a groove; The second through groove has four groove surfaces, each of which is provided with a groove; The first insert and the second insert are both fixed to the upper template by bolts.

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