CN206765258U - A kind of lamp shade injection mold - Google Patents

Abstract

The utility model discloses a kind of lamp shade injection mold, its drip irrigation device is：Including cover half, dynamic model, dynamic model is provided with die cavity, cover half is provided with core, the first molding space for being molded lamp shade is formed between die cavity and core, core is provided with upper forming blocks, is provided with lower forming blocks in die cavity, upper forming blocks can offset close to the end of dynamic model with lower forming blocks close to the end of cover half, both upper forming blocks, lower forming blocks form the second molding space for being molded fixed seat between corresponding die cavity, and upper forming blocks lateral wall is provided with the annular groove for being used for being molded spacing ring；Above-mentioned injection mold can realize quick injection molding to lamp shade, especially realize once injection moulding to the feature inside fixed seat, significantly improve injection production efficiency.

Description

A kind of lamp shade injection mold

Technical field

Injection mold is the utility model is related to, more particularly to a kind of lamp shade injection mold.

Background technology

Lamp shade is arranged among vehicle, for producing certain condenser effect, car light to the light emitted by car light pearl Pearl would generally be installed in lamp socket, and lamp socket can be then installed on inside lamp shade, and lampshade then needs to be installed in vehicle pair in itself Answer on installation position.

As shown in Figure 1, it includes canopy main body a to the structure of lamp shade, and canopy main body a is provided with the fixation of annular The mounting hole c of circle is provided with seat b, fixed seat b, fixed seat b is integrally formed on canopy main body a lateral walls, and mounting hole c is passed through Canopy main body a and fixed seat b is through at, spacing ring d is provided with fixed seat b inner side, when lamp socket is installed in mounting hole c When, lamp socket can offset with spacing ring d, to limit lamp socket position automatically；

Some limited post e, some limited posts are provided with canopy main body a hole wall relative to spacing ring d in mounting hole c Around the mounting hole c hole axle heart, circumferentially array is set e, and limited post e can be revolved with lamp socket phase clamping with limiting the circumferential of lamp socket Turn；

Some gap slot f are provided with away from canopy main body a end in fixed seat b, some gap slot f are around mounting hole c's Circumferentially array is set the hole axle heart, fixed seat b away from canopy main body a end can with installation position phase clamping, it is convex on installation position Block can be directly to inserting gap slot f, to limit rotating in a circumferential direction for fixed seat b；

Clamping block g is then provided with canopy main body a hole wall relative to spacing ring d in mounting hole c, when the clamping of column After boss is inserted into mounting hole c, clamping boss between outer land wall can produce squeezing action with clamping block g, and make clamping boss and card Meet block g and snap action occurs.

For the lamp shade of said structure, traditional injection mold mostly just sets an injection molding block, and directly right Mounting hole c carries out injection molding, and that be molded is also only merely a common mounting hole c, can't there is spacing ring d features, And the generation of spacing ring d features to mounting hole c two apertures, it is necessary to carry out follow-up reaming processing, and make mounting hole c hole wall Upper formation spacing ring d features, but additionally increase manufacturing procedure, processing cost is not only increased, and add process time.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of lamp shade injection mold, its Spacing ring inside energy once injection moulding fixed seat and fixed seat, injection production efficiency are higher.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of lamp shade injection Mould, including cover half, dynamic model, the dynamic model are provided with die cavity, and the cover half is provided with core, shape between the die cavity and core Into the first molding space for being molded lamp shade, the core is provided with upper forming blocks, and lower forming blocks are provided with the die cavity, The upper forming blocks can offset close to the end of dynamic model with lower forming blocks close to the end of cover half, the upper forming blocks, lower shaping The second molding space for being molded fixed seat is formed between both blocks and corresponding die cavity, the upper forming blocks lateral wall is provided with For being molded the annular groove of spacing ring, the annular groove is located at upper forming blocks close to the end of dynamic model.

Pass through above-mentioned technical proposal, when cover half and the mutual matched moulds of dynamic model, upper forming blocks close to the end of dynamic model with it is lower into Type block offsets close to the end of cover half, and both upper forming blocks, lower forming blocks form the second molding space between corresponding die cavity； Plastics liquation of the injection in molten condition, and the plastics liquation is similarly in the first molding space and the second molding space It can flow into annular groove, can mold lamp shade in the first molding space, the second molding space molds fixed seat, in annular groove Annular groove can be molded；

When cover half and dynamic model mutually divide mould, upper forming blocks are connected to cover half, and lower forming blocks are connected to dynamic model, with dynamic model And cover half separates, upper forming blocks are also separated from each other with lower forming blocks, now, the lamp shade of shaping has been wholely set fixed seat And the spacing ring inside fixed seat, injection molding efficiency are very high.

Preferably, the upper forming blocks lateral wall be provided with it is some be used to being molded the groove groups of limited post, some groove groups around Circumferentially array is set the axial line of upper forming blocks.

Pass through above-mentioned technical proposal, during injection molding fixed seat, plastics liquation can be flowed into groove group, and Injection molding goes out limited post feature on mounting hole hole wall, is also completed in single injection-molded, meets that rapid shaping will Ask.

Preferably, each groove group includes two single grooves, each axial line of the length direction of single groove with upper forming blocks Length direction is parallel.

Pass through above-mentioned technical proposal, each groove group include two single grooves, i.e., in actual use, can effectively increase Add effective connective stability for engaging area, lifting lamp shade therein part between groove group and lamp socket.

Preferably, the groove group is in communication with annular groove.

Pass through above-mentioned technical proposal, the plastics liquation under molten condition can be entered in groove group and annular groove, be molded into Spacing column end after type is completed can be directly connected in spacing ring, when lamp socket is installed on mounting hole and to limited post and spacing When ring produces extruding, the fastness of limited post and spacing ring itself is stronger, is advantageous to be lifted the connective stability of lamp socket.

Preferably, the lower forming blocks lateral wall is provided with some projections for shaped notch groove, two neighboring projection Between leave spacing.

Pass through above-mentioned technical proposal, some projections being set in distance each other, disposal molding fixed seat end can be used for The gap slot in portion；Likewise, the generation of the breach cavity feature, is also produced merely by single injection-molded, i.e., when dynamic model band Dynamic lower forming blocks away from cover half direction toward when being moved, projection position, just can straight forming go out gap slot, shaping efficiency It is higher, meet rapid shaping requirement.

Preferably, the lateral wall of the lower forming blocks is provided with some grooves, and the groove is arranged at intervals at two projections Between.

Pass through above-mentioned technical proposal, in plastics liquation flow process in the molten state, plastics are also had in groove and are melted Liquid stream enters, and clamping block feature will be formed after the plastics liquation cooling in groove；Instantly forming blocks are separated with upper forming blocks When, feature is attached directly in fixed seat in the groove under the state of cooling, and is directly separated with lower forming blocks, realizes the demoulding And one-shot forming.

Preferably, the bottom land of the groove is shaped as circular arc groove face.

Pass through above-mentioned technical proposal, in the groove bottom land of circular arc groove face, the clamping block outer surface being molded can be in integrally Circular arc, when being actually stripped, caused frictional force can be preferably minimized between groove and clamping block, and it is difficult to reduce the overall demoulding Degree；Clamping block with circular arc outer surface in actual use, can similarly reduce clamping block and corresponding clamping boss it Between caused frictional force.

Preferably, in addition to upper bolt, lower bolt, the core are provided with upper hole, and the upper forming blocks pass through upper bolt It is installed in hole；The die cavity is provided with lower opening, and the lower forming blocks are installed in lower opening by lower bolt.

Pass through above-mentioned technical proposal, detachability can be realized between upper forming blocks and core, equally, lower forming blocks and die cavity Detachability can be similarly realized before.

Preferably, the hole wall in the upper hole is convexly equipped with upper limit position block, and the lateral wall of the upper forming blocks is cut provided with upper limit Groove, the upper limit position block is engaged with upper limit grooving to be rotated in a circumferential direction with limiting upper forming blocks.

Pass through above-mentioned technical proposal, when upper forming blocks are installed on upper hole, upper limit position block can be with upper limit grooving phase interworking Close, now, rotating in a circumferential direction for upper limit position block is just limited, even if occurring frequently to abut between upper forming blocks and lower forming blocks, Upper forming blocks will not also rotate in a circumferential direction, and improve the stability of the overall operation of whole injection mold.

In summary, the utility model having the beneficial effect that in contrast to prior art：Fast injection molding can be realized to lamp shade Shaping, especially realizes once injection moulding to the feature inside fixed seat, significantly improves injection production efficiency.

Brief description of the drawings

Fig. 1 is the lamp-shade structure schematic diagram for treating injection molding, for showing the integral structure characteristic of lamp shade；

Fig. 2 is the part sectioned view of embodiment, for showing the cooperation between upper forming blocks, lower forming blocks, die cavity three Relation；

Fig. 3 is Fig. 2 A portions enlarged drawing；

Fig. 4 is the structural representation of upper forming blocks, and the integral structure characteristic of upper forming blocks is shown for emphasis；

Fig. 5 is the general structure schematic diagram of core, and the general structure situation in upper hole is shown for emphasis；

Fig. 6 is the structural representation of lower forming blocks, and the integral structure characteristic of lower forming blocks is shown for emphasis；

Fig. 7 is the overall configuration schematic diagram of embodiment.

Reference：A, canopy main body；B, fixed seat；C, mounting hole；D, spacing ring；E, limited post；F, gap slot；G, block Connect block；1st, cover half；2nd, dynamic model；3rd, die cavity；4th, core；5th, the first molding space；6th, upper forming blocks；7th, lower forming blocks；8th, second Molding space；9th, annular groove；10th, groove group；101st, single groove；11st, projection；12nd, groove；13rd, upper bolt；14th, lower bolt；15th, on Hole；16th, lower opening；17th, upper limit position block；18th, upper limit grooving.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

A kind of lamp shade injection mold, it is shown in Figure 2, including cover half 1, dynamic model 2, core 4 is provided with cover half 1, The die cavity 3 that is engaged with core 4 is then provided with dynamic model 2, when cover half 1 and dynamic model 2 are in matched moulds state, core 4 and die cavity 3 Between form the first molding space 5, whole lamp shade is then taken shape in the first molding space 5.

Referring to upper hole 15 shown in Fig. 3, Fig. 4 and Fig. 5, is provided with core 4, the circumference hole wall in upper hole 15 is convex provided with upper Limited block 17, upper limit position block 17 is overall cylindrical, and forming blocks 6 are similarly provided with upper hole 15, and forming blocks 6 is outer on this Side wall is provided with upper limit grooving 18, and bolt 13 is also equipped with upper forming blocks 6, and upper bolt 13 is passed through in upper forming blocks 6 Axis, entirely upper forming blocks 6 are connected in upper hole 15 by upper bolt 13, and make upper limit grooving 18 and upper limit position block 17 mutual Coordinate, and then limit rotating in a circumferential direction for upper forming blocks 6；

Referring to shown in Fig. 2, Fig. 3 and Fig. 4, the circumferential side wall of upper forming blocks 6 is provided with the annular groove 9 of annular, the ring Shape groove 9 is located at end position of the upper forming blocks 6 close to dynamic model 2, and some groove groups are additionally provided with the circumferential side wall of upper forming blocks 6 10, groove group 10 is in communication with annular groove 9, and then around the axial line of upper forming blocks 6, circumferentially array is set some groove groups 10, each groove Group 10 includes two single grooves 101, and the length direction of each single groove 101 is parallel with the axial line length direction of upper forming blocks 6.

Referring to lower opening 16 shown in Fig. 6 and Fig. 7, is provided with die cavity 3, lower forming blocks 7, lower forming blocks are provided with lower opening 16 Lower bolt 14 is also equipped with 7, entirely lower forming blocks 7 are connected in lower opening 16 by lower bolt 14, the lower global shape of forming blocks 7 For cylinder, lower bolt 14 passes through the axis of lower forming blocks 7, some projections is provided with the periphery wall of lower forming blocks 7 11, some projections 11 similarly can along lower forming blocks 7 axis carry out circumference array setting, per two neighboring projection 11 it Between leave spacing；In addition, being additionally provided with some grooves 12 on the periphery wall of lower forming blocks 7, groove 12 is then correspondingly arranged in Between two adjacent projections 11, the bottom land of each groove 12 is shaped as circular arc groove face.

Detailed injection molding situation inside injection mold：

When 1 matched moulds of dynamic model 2 and cover half, upper forming blocks 6 can be with lower forming blocks 7 close to cover half 1 close to the end of dynamic model 2 End offsets, the second molding space 8 that both upper forming blocks 6, lower forming blocks 7 are formed between corresponding die cavity 3；Under molten condition Plastics liquation can enter the second molding space 8, specifically, the plastics liquation under melting state can be flowed into successively The excircle side wall of type block 6, single groove 101, annular groove 9, it is flowed into the excircle side walls of lower forming blocks 7, two projections again afterwards In gap, groove 12 between 11；After cooling and shaping, the corresponding shaping limited post e of single groove 101 therein, annular groove 9 it is corresponding into Type spacing ring d, the corresponding shaped notch groove f of projection 11, the corresponding shaping clamping block g of groove 12；When dynamic model 2 and cover half 1 divide mould, on Forming blocks 6 are directly separated with lower forming blocks 7, and fixed seat b and fixed seat b internal feature are disposably stripped.

Described above is only exemplary embodiment of the present utility model, not for limitation protection model of the present utility model Enclose, the scope of protection of the utility model is determined by appended claim.

Claims (9)

1. a kind of lamp shade injection mold, including cover half (1), dynamic model (2), the dynamic model (2) is provided with die cavity (3), described fixed Mould (1) is provided with core (4), and the first molding space for being molded lamp shade is formed between the die cavity (3) and core (4) (5), it is characterized in that：The core (4) is provided with upper forming blocks (6), is provided with lower forming blocks (7) in the die cavity (3), it is described on Forming blocks (6) can offset close to the end of dynamic model (2) with lower forming blocks (7) close to the end of cover half (1), the upper forming blocks (6), both lower forming blocks (7) form the second molding space (8) for being molded fixed seat (b), institute between corresponding die cavity (3) State forming blocks (6) lateral wall and be provided with the annular groove (9) for being used for being molded spacing ring (d), the annular groove（9）Positioned at upper shaping Block（6）Close to dynamic model（2）End.

2. a kind of lamp shade injection mold according to claim 1, it is characterized in that：On upper forming blocks (6) lateral wall Be used to being molded the groove groups (10) of limited post (e) provided with some, some groove groups (10) around upper forming blocks (6) axial line circumferentially Array is set.

3. a kind of lamp shade injection mold according to claim 2, it is characterized in that：Each groove group (10) includes two lists Groove (101), the length direction of each single groove (101) are parallel with the axial line length direction of upper forming blocks (6).

4. a kind of lamp shade injection mold according to claim 2, it is characterized in that：The groove group (10) is in communication with annular groove (9)。

5. a kind of lamp shade injection mold according to claim 1, it is characterized in that：On lower forming blocks (7) lateral wall Provided with some projections (11) for shaped notch groove (f), spacing is left between two neighboring projection (11).

6. a kind of lamp shade injection mold according to claim 5, it is characterized in that：The lateral wall of the lower forming blocks (7) Some grooves (12) are provided with, the groove (12) is arranged at intervals between two projections (11).

7. a kind of lamp shade injection mold according to claim 6, it is characterized in that：The bottom land of the groove (12) is shaped as Circular arc groove face.

8. a kind of lamp shade injection mold according to claim 1 ~ 7 any one, it is characterized in that：Also include upper bolt (13), lower bolt (14), the core (4) are provided with upper hole (15), and the upper forming blocks (6) are installed on by upper bolt (13) In upper hole (15)；The die cavity (3) is provided with lower opening (16), and the lower forming blocks (7) are installed on lower opening by lower bolt (14) (16) in.

9. a kind of lamp shade injection mold according to claim 8, it is characterized in that：The hole wall of the upper hole (15) is convexly equipped with Upper limit position block (17), the lateral wall of the upper forming blocks (6) are provided with upper limit grooving (18), the upper limit position block (17) and the upper limit Position grooving (18) is engaged to be rotated in a circumferential direction with limiting upper forming blocks (6).