CN201848963U

CN201848963U - Mould

Info

Publication number: CN201848963U
Application number: CN2010201992478U
Authority: CN
Inventors: 曹树文; 丁保国
Original assignee: HEFEI DOERS RUBBER AND PLASTIC CO Ltd
Current assignee: HEFEI DOERS RUBBER AND PLASTIC CO Ltd
Priority date: 2010-05-17
Filing date: 2010-05-17
Publication date: 2011-06-01
Anticipated expiration: 2020-05-17

Abstract

The utility model aims at providing a mould which is convenient for mould stripping and enabling parting lines of products to be positioned beside a decorative surface so as to improve the smoothness of the decorative surface of the products. The mould comprises a front mould and a rear mould assembly, wherein the front mould is integral; the edge of the formed surface of the front mould extends beside the decorative surface of the product to be processed; the rear mould assembly comprises a rear mould core, a rear mould straight top mold core, an inclined top mold core, a flange forming block and the like; by combining the rear mould core, the straight top mold core and the inclined top mold core in the rear mould assembly and matching the flange forming block with a flange forming groove formed on the inclined top mold core, the mould stripping procedures can be conveniently realized; the outer surface, that is, the decorative surface, of the produced product is smooth and the flashing and burrs on the outer surface of the products can be avoided; and the trimming and polishing treatment on the outer surface can be avoided, so that the production efficiency can be remarkably improved.

Description

Mould

Technical field

The utility model relates to injection forming mold.

Background technology

Traditional moulds is in the converted products process, because the consideration of the demoulding, mould often adopts outer somatotype structure.Somatotype beyond as automobile being with traditional insurance thick stick mould structure design, two ramp-roof structure moulding, in other words the front mould that constitutes mould is the branch body structure, so the line of demarcation must appear in the surface of the preceding mold cavity that constitutes, and the product of being produced will inevitably produce overlap, burr on the product decoration surface.Shaped article will be done a large amount of pre-treatment work before application, promptly repair operations such as overlap, polishing, not only consuming time but also require great effort, work brings unnecessary trouble to postorder, as shown in figure 11, the edge of product 80 is exactly a parting line 81, the overlap that produces after the injection mo(u)lding, burr are retained in parting line 81 places, they are in the normal vision scope, if this in other words parts directly combine with other parts, as seen overlap, burr regain consciousness on it, obviously say that for the product of decoration function this overlap, burr are the processing that must be repaired, polish.

The utility model content

The purpose of this utility model provides a kind ofly to be convenient to the demoulding and to make the product parting line be in the decorative cover side, to improve the mould of the smooth planarization of product decoration face.

For achieving the above object, the utility model has adopted technical scheme: mould, comprise front mould and back membrane module, and it is characterized in that: described front mould is an integral type, its forming surface edge extends to processed product decorative cover side; Back membrane module comprises the back model core of layout placed in the middle, the straight top of the back mould core of back model core side, the straight top of back mould core side is postponed and is arranged the oblique top core, the oblique top core is provided with the flange forming blocks, the flange forming tank that is provided with on flange forming blocks and the oblique top core cooperates and constitutes product flange forming cavity, the junction, edge of flange forming blocks, flange forming tank and front mould constitutes product somatotype position, and this position is positioned at product decoration face side.

In the technique scheme, front mould adopts the single part moulding, its forming surface edge extends to processed product decorative cover side, the smooth outer surface of the product of being produced neatly is a decorative cover, the outer surface generation overlap of product, the phenomenon of burr have been avoided, need not again outer surface to be implemented the processing of finishing, polishing, significantly improved production efficiency, in conjunction with the back model core in the membrane module of back, straight top core and oblique top core, and the cooperatively interacting of the flange forming tank that is provided with on flange forming blocks and the oblique top core, can conveniently realize stripping process.

Description of drawings

Fig. 1 is the perspective view of back mould in the utility model;

Fig. 2 is a perspective view of omitting the straight top of mould, back core among Fig. 1;

Fig. 3 is a structural representation of the present utility model;

Fig. 4,5 is respectively the knockout course schematic diagram;

Fig. 6 is the cooperatively interact perspective view of state of the cell body and the body of rod;

Fig. 7 is the perspective view of intercepting one side channel wall among Fig. 6;

Fig. 8 is the vertical view of Fig. 6;

Fig. 9 is the A-A cutaway view among Fig. 8;

Figure 10 is the I position partial enlarged drawing of Fig. 4;

Figure 11 is the rear direction perspective view of product.

The specific embodiment

Shown in Fig. 3,4, mould comprises front mould 10 and back membrane module, and described front mould 10 is an integral type, and its forming surface edge extends to processed product decorative cover side; Back membrane module comprises the back model core 20 of layout placed in the middle, back model core 20 sides are provided with the straight top of mould, back core 30, the straight top of back mould core 30 sides are postponed and are arranged oblique top core 40, oblique top core 40 is provided with flange forming blocks 50, the flange forming tank 41 that is provided with on flange forming blocks 50 and the oblique top core 40 cooperates formation product flange forming cavity, flange forming blocks 50, the junction, edge of flange forming tank 41 and front mould 10 constitutes product somatotype position, this position is positioned at product decoration face side, so-called side is meant that the side that does not observe in the visual range that can guarantee product 80 decorative covers gets final product, it is far away excessively that this side need not to leave the decorative cover edge of product 80, otherwise the difficulty of processing of front mould 10 will increase, allow parting line be on the installation panel of side and suitably near the joint portion of facing and installation panel, even still there is overlap on the parting line of product 80, burr, in case product is with after the assembling of other parts is connected, overlap, defectives such as burr will be in outside the visual range, therefore, need not it is made cleaning, thereby reduced employee's workload, improved production efficiency of products.

The below of described back mould straight top core 30 and oblique top core 40 is provided with top-pushing mechanism separately, oblique top core 40 is upwards inwardly oblique to be moved, the top-pushing mechanism of straight top core 30 is positioned at the inboard of oblique top core 40, the described top-pushing mechanism that is used to promote back mould straight top core 30 and oblique top core 40 can adopt related content of the prior art, for example rear pattern plate 1, Ejector Retainer Plate 2, thimble panel 3, lever eject fast 4 and relevant limiting component or mechanism can adopt prior art fully.In order to cooperate the moulding of installation panel, guarantee that simultaneously the demoulding is smooth, described flange forming blocks 50 is connected with top-pushing mechanism, and top-pushing mechanism drives flange forming blocks 50 and moves along the direction that is parallel to the product flange is inside and outside.

Be in the flange place that installation panel is product facing edge in order to ensure parting line, die cavity edges place on the front mould 10 is arranged to the scene-affinity 11 of mould one side dimpling backward, can separate with flange forming tank 41 cooperation places from oblique top core 40 and flange forming blocks 50 when breaking away from order to ensure front mould 10, the top-pushing mechanism that is provided with on the flange forming blocks 50 drives it and upwards moves inward with oblique top core 40 is synchronous oblique, oblique top core 40 and flange forming blocks 50 are dodged with the scene-affinity 11 on flange forming tank 41 cooperation places and the front mould 10 come, thus the smooth demoulding of realization front mould 10.

The top-pushing mechanism of described back mould straight top core 30 and oblique top core 40 comprises the body of

rod

31,42, and the body of

rod

31,42 moves up and down, and top-pushing mechanism guarantees that the basic exercise of the back mould straight

top core

30 and 40 demouldings of oblique top core is achieved in this.

The top-pushing mechanism of described flange forming blocks 50 comprises the body of rod 60, the shaft of the body of rod 60 is positioned at the level that is provided with on the oblique top core 40 and is slidingly matched to through hole and formation guiding, the outboard beam head of the body of rod 60 links to each other with flange forming blocks 50, interior side lever head constitutes slip with guide chute 71 or rolling cooperates, shown in Fig. 3～7, guide chute 71 is for bending deep-slotted chip breaker and being arranged in the vertical guide, and its curved arc top is positioned at middle part and relatively inboard.

Described guide chute 71 integral body are "＜" shape, shown in Fig. 6～9, and opening is towards the outside at oblique top core 40 places, on the side lever head roller 61 is set in the body of rod 60, the axle core of roller 61 is positioned at horizontal direction and vertical with the bar length direction of the body of rod 60, and roller 61 constitutes rolling with guide chute 71 and cooperates.

Protruding garden post 51 is set on the upper surface of described flange forming blocks 50, as shown in figure 10, this protruding garden post 51 at first is that the moulding for the hole that is linked and packed on the flange of product 80 designs, simultaneously when front mould 10 has just begun the demoulding, be that front mould 10 is when moving up, flange 11 on front mould 10 interference occurs with the facing of product 80 and the intermediate location of flange, the position-limiting action that the flange that protruding garden post 51 plays limits product 80 again moves, being the body of rod 60 at first moves inward when mobile with oblique top core 40 is upward together with flange forming blocks 50, the flange of product 80 still is limited between flange forming blocks 50 and flange forming tank 41 mating surfaces, position as shown in Figure 3, when front mould 10 moves on further, the intermediate location of the flange 11 of front mould 10 and the facing of product 80 and flange breaks away from gradually and is in dodges the position, when the body of rod 60 arrives the curved arc break-in position of guide chute 71, the body of rod 60 outwards moves and promotes flange forming blocks 50 and outwards moves then, the flange of product 80 breaks away from flange forming blocks 50 and flange forming tank 41 gradually and is in free state, as Fig. 4, shown in 5.

Described flange forming blocks 50 is shaft-like, this is to cooperate the concrete shape of flange of processed product 80 and fixed, product 80 as shown in figure 11 is automobile front beams, its flange is that bar is tabular, and the profile of length direction is V-shaped, therefore by Fig. 1,2 as seen, flange forming blocks 50 global shapes are V-arrangement, the cross section of flange forming blocks 50 roughly is the square of band demoulding angle, the described body of rod 60 is provided with several along the bar length direction of flange forming blocks 50, each body of rod 60 layout parallel to each other is provided with roller 61 and cooperates with guide chute 71 formation rollings on the side lever head in the body of rod 60.The number that the body of rod 60 is set is decided according to the entire length of flange forming blocks 50, and common 2～4 get final product, and shown in Fig. 1,2 is to be symmetrical arranged 2, can promote moving of flange forming blocks 50 so steadily, reliably.

Provided the concrete scheme that constitutes guide chute 71 as Fig. 6～9, be that described guide chute 71 is opened on the cell body 70, the channel-section of guide chute 71 is the T type groove of inner wide and outer narrow, the narrower bar with the body of rod 60 in notch place directly coincide, and bottom land 72 and the cell wall 73 parallel with bottom land constitute rolling with roller 61 and cooperate.The described body of rod 60 is positioned at the rod end of guide chute 71 1 sides and is arranged to the end face 62 that both sides are parallel to each other, the size between the both ends of the surface 62 and the width of notch coincide, roller 61 is arranged on the end of this end, the end face 62 that setting is parallel to each other is the rotating shaft that roller 61 can conveniently be installed first, second be the rotation of being convenient to the notch engagement limits body of rod 60, so just guaranteed that the wheel face of roller 61 cooperates with guide chute 71 steady rollings all the time.

Claims

1. a mould comprises front mould (10) and back membrane module, and it is characterized in that: described front mould (10) is integral type, and its forming surface edge extends to processed product decorative cover side; Back membrane module comprises the back model core (20) of layout placed in the middle, back model core (20) side is provided with back mould straight top core (30), the straight top of back mould core (30) side is postponed and is arranged oblique top core (40), oblique top core (40) is provided with flange forming blocks (50), flange forming blocks (50) goes up the flange forming tank (41) that is provided with oblique top core (40) and cooperates formation product flange forming cavity, the junction, edge of flange forming blocks (50), flange forming tank (41) and front mould (10) constitutes product somatotype position, and this position is positioned at product decoration face side.

2. mould according to claim 1, it is characterized in that: the below of described back mould straight top core (30) and oblique top core (40) is provided with top-pushing mechanism separately, oblique top core (40) is upwards inwardly oblique to be moved, the top-pushing mechanism of straight top core (30) is positioned at the inboard of oblique top core (40), described flange forming blocks (50) is connected with top-pushing mechanism, and top-pushing mechanism drives flange forming blocks (50) and moves along the direction that is parallel to the product flange is inside and outside.

3. mould according to claim 2 is characterized in that: the top-pushing mechanism of described back mould straight top core (30) and oblique top core (40) comprises the body of rod (31), (42), and the body of rod (31), (42) move up and down.

4. mould according to claim 2, it is characterized in that: the top-pushing mechanism of described flange forming blocks (50) comprises the body of rod (60), the shaft of the body of rod (60) is positioned at level that oblique top core (40) go up to be provided with to through hole and constitute guiding and be slidingly matched, the outboard beam head of the body of rod (60) links to each other with flange forming blocks (50), interior side lever head constitutes slip with guide chute (71) or rolling cooperates, guide chute (71) is for bending deep-slotted chip breaker and being arranged in the vertical guide, and its curved arc top is positioned at middle part and relatively inboard.

5. mould according to claim 4, it is characterized in that: described guide chute (71) is＜shape, and opening is towards the outside at oblique top core (40) place, on the interior side lever head of the body of rod (60) roller (61) is set, the axle core of roller (61) is positioned at horizontal direction and vertical with the bar length direction of the body of rod (60), and roller (61) constitutes rolling with guide chute (71) and cooperates.

6. mould according to claim 4 is characterized in that: convex cylindrical (51) is set on the upper surface of described flange forming blocks (50).

7. according to claim 4 or 5 described moulds, it is characterized in that: described guide chute (71) is opened on the cell body (70), the channel-section of guide chute (71) is the T type groove of inner wide and outer narrow, the narrower bar with the body of rod (60) in notch place directly coincide, and bottom land (72) and the cell wall (73) parallel with bottom land constitute rolling with roller (61) and cooperate.

8. according to claim 4 or 5 or 6 described moulds, it is characterized in that: described flange forming blocks (50) is for shaft-like, its cross section roughly is the square of band demoulding angle, the described body of rod (60) is provided with several along the bar length direction of flange forming blocks (50), each body of rod (60) layout parallel to each other is provided with roller (61) and cooperates with the rolling of guide chute (71) formation on the interior side lever head of the body of rod (60).

9. mould according to claim 7, it is characterized in that: the described body of rod (60) is positioned at the rod end of guide chute (71) one sides and is arranged to the end face (62) that both sides are parallel to each other, the size between the both ends of the surface (62) and the width of notch coincide, and roller (61) is arranged on the end of this end.