The positioner that Mo Neibao penetrates
Technical field
The present invention relates to the positioner that a kind of Mo Neibao penetrates, belong to the manufacturing of injection mold in the mechanical field, belong to the technical field of die arrangement device specifically.
Background technology
In the technology that past Mo Neibao penetrates, often the air of mould inside is extracted out, see through the vacuum state of mould inside, plastics are got take shape in smoothly the default substrate surface in the mould, but the reliability of this kind technology is unstable, and cost is also higher, so industry sees through constantly research and development and transfers the mode that the electrostatic method that electric charge is stamped default base material replaces traditional vacuum gradually to.
Electrostatic method is that Mo Neibao hits the mode of generally using now, see also shown in Figure 6, for commonly using the side-looking sectional exploded view before default base material is inserted, this structure is formed by master mold A and male model B, this master mold A is provided with mortise A1 and predetermined space die cavity A2, male model B then is provided with location trip B1, module B2 and material hole B3, before default base material C inserts die cavity A2, can stamp electrostatic charge prior to die cavity A2 or default base material C surface, this can make default base material C must be close to die cavity A2 bottom, afterwards male model B is engaged with master mold A, see through the material hole B3 injected plastic of male model B, make these plastics and the default base material C moulding that places die cavity A2.
Learn that by above-mentioned this kind device has following disappearance:
(1) it is commonly used to using electrostatic means, see through and stamp electrostatic charge at die cavity A2 or default base material C surface, after will preset base material C again and place in the die cavity A2, according to the experience of using on the industry, this mode often easily makes die cavity A2 or default base material C absorption impurity or dust, therefore just can produce protrusion because of impurity that electrostatic charge attracted when plastic shaping behind default base material C, the defect rate of product is improve therefore.
(2) it is commonly used to utilizing electrostatic means, it is big or when having the workpiece of constant weight that this mode is used in workpiece, adsorption effect is comparatively not good, default base material C can't be close to die cavity A2 bottom smoothly, and the situation that easily produces displacement, becomes flexible and come off, so can't take shape in smoothly after the plastic shaping on the default base material C.
(3) it is commonly used when using electrostatic means, very easily make absorption impurity or dust in the die cavity A2, therefore after default base material C inserts, when if the binding face of this default base material C and die cavity A2 is general portable electronic devices (as mobile computer, mobile phone, camera etc.) panel, its default base material C surface very easily produces scratch or the high temperature during because of plastic shaping makes panel surface produce protrusion etc., even therefore the defect rate of product will improve.
In sum, be how at the great disappearance of improving product defect rate, real problem place for being engaged in this journey improvement that the dealer desires most ardently.
Summary of the invention
The present invention is directed to the positioner that above-mentioned disappearance provides a kind of brand-new Mo Neibao to penetrate.
The technical solution adopted in the present invention is in order to achieve the above object:
The positioner that a kind of Mo Neibao penetrates includes master mold and male model is formed, wherein:
This master mold is to be provided with default base material is inserted and the die cavity in the space of plastics ejection formation, and the die cavity outside is provided with for fixed block inserts the plural storage tank that carries out toward polyslip, and fixed block is provided with and can stretches into the stop section that die cavity is held in default base material flanging in the edge in base portion top one side;
This male model is to be provided with the module that can be inserted into die cavity, and module is to be equipped with the material hole that plastics are injected.
The base portion of this storage tank and fixed block is provided with by down up away from the gradient of die cavity.
The adjacently situated surfaces of this storage tank and fixed block is provided with the track and the guide rail of relative position.
This master mold is provided with the rake that tool is preset the angle of inclination in the top side wall of the contiguous die cavity of storage tank, and fixed block is provided with and can supports the inclined plane part that pastes with the set rake of storage tank in base portion and junction, bottom surface, stop section
This fixed block bottom can be equiped with drive its carry out outwardly, toward the push unit of polyslip.
The adjacently situated surfaces of this male model and master mold is reference column and the locating hole that is provided with correspondence position.
This module outer concave is provided with the plural locating slot of taking in, support plural fixed block top.
Owing to utilize the die cavity side of master mold to be provided with plural fixed block, and fixed block top one side is extended with the stop section, after default base material is inserted die cavity, utilize plural fixed block to move down and make the edge, stop section stretch to the die cavity top, at this moment, the flanging that the stop section will be held in default base material forms the location, when plastics when hand-hole injects, get so that plastics in the smooth moulding of default substrate surface, can not be adsorbed onto other impurity or dust because of presetting before base material places die cavity, can reduce the defect rate of shaped article.
In addition because the plural fixed block of die cavity side, seeing through the mechanical type running moves down fixed block, and support with the stop section default base material is fixed in the die cavity, during default base material that this mode is used for is big, have constant weight or have that cambered surface, figure and other surface configuration change, fixed effect is preferable, default base material is close to is smoothly formed the location in the die cavity.
Description of drawings
Fig. 1 is a stereo appearance figure of the present invention.
Fig. 2 is a three-dimensional exploded view of the present invention.
Fig. 3 is the side-looking sectional exploded view of base material of the present invention after inserting.
The side-looking sectional exploded view of Fig. 4 during for material feeding of the present invention.
Side-looking sectional exploded view when Fig. 5 takes out for finished product of the present invention.
Fig. 6 is the side-looking sectional exploded view of commonly using before default base material is inserted.
The main element symbol description
1, master mold
11, locating hole 144, inclined plane part
12, die cavity 141, base portion
13, storage tank 142, stop section
14, fixed block 15, push unit
2, male model
21, reference column 23, locating slot
22, module 24, material hole
3, default base material
A, master mold
A1, mortise A2, die cavity
B, male model
B1, location trip B3, material hole
B2, module
C, default base material
The specific embodiment
For reaching above-mentioned purpose and structure, the technology used in the present invention means and effect thereof, drawing now illustrates in detail that with regard to preferred embodiment of the present invention its structure is as follows with function, understands fully in order to do profit.
See also Fig. 1, shown in Figure 2, be three-dimensional appearance of the present invention, three-dimensional exploded view, can be by being clear that among the figure that framework of the present invention system includes master mold and male model is formed, so with regard to the primary structure detailed description of this case as after; Wherein:
This master mold 1 is for being provided with symmetrical plural locating hole 11, and be concaved with for default base material 3 (as leather in master mold 1, paper, cloth, the die cavity 12 of materials such as metal) inserting, and be provided with plural storage tank 13 in the outer side edges of die cavity 12, its storage tank 13 is provided with by down up away from the gradient of die cavity 12, and storage tank 13 sidewalls are concaved with track 131, and the top side wall of storage tank 13 contiguous die cavitys 12 is provided with the rake 132 at the default angle of inclination of tool, then be equiped with fixed block 14 sliding back and forth in each storage tank 13, fixed block 14 is provided with the tool gradient and can inserts the base portion 141 of storage tank 13, and is provided with the stop section 14 that the edge stretches to die cavity 12 tops in base portion 141 tops
2, and be provided with more than one guide rail 143 in base portion 141 sidewalls, and base portion 141 and junction, 142 bottom surface, stop section are provided with the inclined plane part 144 at the default angle of inclination of tool.
This male model 2 is for being provided with two symmetrical reference columns 21 with locating hole 11 relative positions, and its male model 2 bottom surfaces then are provided with a module 22 of protruding, and module 22 outer concave are provided with the locating slot 23 of plural number, and male model 2 is equipped with the material hole 24 that plastics are injected.
See also Fig. 3, Fig. 4, shown in Figure 5 again, be the side-looking sectional exploded view of the present invention when base material is inserted back, material feeding, when finished product takes out, the present invention be will around have a flanging default base material 3 be placed in the bottom surface of die cavity 12 after, plural fixed block 14 is pressed down then plural fixed block 1 with the manual mode application of force
4 stop section 142 just can be with the gradient displacement of storage tank 13, make 142 edges, stop section stretch to die cavity 12 tops and be held in the flanging of default base material 3, make default base material 3 can be positioned in the die cavity 12 really, reference column 21 with male model 2 engages with the locating hole 11 of master mold 1 again, this moment, the module 22 of male model 2 also can be inserted in the die cavity 12 of master mold 1, and the plural locating slot 23 in module 22 outsides just can be taken in, support the top of plural fixed block 14, but even 12 spaces that are formed with the injected plastic moulding of module 22 and die cavity, after plastics injected from material hole 24, the plastics in the pre-set space just can take shape in default base material 3 surfaces.
Moreover, when male model 2 breaks away from master mold 1, plural number fixed block 14 just can and then move up, and after fixed block 14 utilizes the gradient displacement of base portion 141 with storage tank 13, the stop section 142 of fixed block 14 will break away from the flanging of default base material 3 and be moved to outside the die cavity 12, and the finished product that plastics and default base material 3 are attached smoothly is able to by taking out in the die cavity 12.
In addition, fixed block 14 bottoms that master mold 1 is installed also can be equiped with push unit 15 (as oil cylinder, pneumatic cylinder, motor, spring etc.), utilize push unit 15 to promote fixed block 14 past polyslip or slippage outwardly in storage tank 13, to push away, and then reach the purpose of synchronous start of production line and automation in the time of can making male model 2 break away from master mold 1 synchronously on the fixed block 14.
In addition, when storage tank 13 is inserted in fixed block 14 displacements of master mold 1, the inclined plane part 144 of fixed block 14 can fit in the rake 132 of storage tank 13, because rake 132 and inclined plane part 144 are for having default angle of inclination, because of utilizing rake 132 and inclined plane part 144 that the two contact area is increased, can avoid fixed block 14 to reciprocatingly slide and touch sharp-pointed or convex shape part, then fixed block 14 just is not easy to the long-time back of using and produces breach, distortion or bending because of clashing into, support abrasion, and then promotes the service life of master mold 1.
See also Fig. 1, shown in Figure 2, be three-dimensional appearance of the present invention, three-dimensional exploded view, can be by being clear that among the figure, when the fixed block 14 of master mold 1 is inserted in the storage tank 13,143 pairs on the guide rail that sees through fixed block 14 is positioned at the track 131 of storage tank 13, can prevent that fixed block 14 from inserting in the storage tank 13 with the opposite way round, and then reach the effect of fool proof.
In sum, the positioner that the above-mentioned Mo Neibao of the present invention penetrates is when using, for having following advantage:
(1) the present invention is for utilizing the plural fixed block 14 of being located at die cavity 12 sides, after default base material 3 is inserted die cavity 12, utilize plural fixed block 14 to move down and make 142 edges, stop section stretch to die cavity 12 tops, and stop section 142 will be held in the flanging of default base material 3, make default base material 3 be positioned really to come off or displacement to avoid producing in the die cavity 12, just can reduce default base material 3 or die cavity 12 because of being adsorbed onto impurity or dust, the high temperature when making plastic shaping in the generation scratch of default base material 3 rear surfaces or because of plastic shaping makes panel surface produce protrusion, product defect rates such as distortion reduce.
(2) the present invention is the plural fixed block 14 that utilizes die cavity 12 sides, plural fixed block 14 is moved down utilize stop section 142 to be held in the flanging formation location of default base material 3, during default base material 3 that this mechanical type function mode is used for large volume, have constant weight or have that cambered surface, figure and other surface configuration change, its locating effect is preferable, just can make default base material 3 be close to die cavity 12 smoothly and form the location.
The above only is preferred embodiment of the present invention, non-so promptly limit to claim of the present invention, so the simple and easy modification and the equivalent structure that use specification of the present invention and graphic content to do such as change, and all should in like manner be contained in the claim of the present invention, close and give Chen Ming.