CN202162970U

CN202162970U - Injection mold

Info

Publication number: CN202162970U
Application number: CN2011202668283U
Authority: CN
Inventors: 刘国权
Original assignee: LIANGANG PRECISION TECHNOLOGY (SUZHOU) Co Ltd
Current assignee: LIANGANG PRECISION TECHNOLOGY (SUZHOU) Co Ltd
Priority date: 2011-07-27
Filing date: 2011-07-27
Publication date: 2012-03-14
Anticipated expiration: 2021-07-27

Abstract

The utility model discloses an injection mold which comprises a fixed mold, a moving mold, a guide post and an ejecting device, wherein the fixed mold is connected with the moving mold through the guide post; the ejecting device is arranged in the moving mold and comprises an ejecting panel, an ejecting bottom plate, a reset return pin, a cutting tool, a runner thimble, a product thimble and a return pin; the ejecting panel is arranged on the ejecting bottom plate; and the reset return pin, the cutting tool, the runner thimble, the product thimble and the return pin are arranged in the ejecting panel and the ejecting bottom plate. By adopting the technical scheme, the injection mold has the beneficial effects that the sprue can be cut in the mold, the traditional process flow is improved, the waste of manpower resource cost for manual cutting is reduced, the production efficiency is effectively improved, the production cost is effectively lowered, and the yield of the product is greatly improved.

Description

A kind of injection mold

Technical field

The utility model relates to a kind of manufacturing equipment, is specifically related to a kind of injection mold.

Background technology

Mould is being represented the development level of industrial age, and now the range of application of plastic mould product has become our necessary part of living.But generally all need after the plastic mould production comes out to shear off cast gate, the process of shearing is all sheared by hand usually or is researched and developed cutter and shear again, and hammer-shears generally all is to cut operation with hot melt.The shortcoming that hot melt is sheared probably has four aspects: be the waste of time efficiency on the one hand; Be waste of manpower resource on the one hand; Also have is in the production process because misoperation causes scrapping of production on the one hand; Be exactly that shear time has been grown the pain that can cause wrist in addition.A kind of in addition is exactly to research and develop the cutter shear product, and cutter is sheared and cut than hammer-shears, and production efficiency has also reduced the possibility that causes occupational disease than the manual height of shearing.But the sort of cutter that don't work all can have bad generation, all needs human resources to go to handle.

Need a kind of mould that can in mould, just can cut cast gate for this reason, improve traditional technological process, reduce manual waste of shearing cost of human resources, effectively enhance productivity, and can effectively reduce production cost, improve the product yield greatly.

The utility model content

For solving the problems of the technologies described above; The purpose of the utility model is to provide a kind of can just can cut cast gate in mould; Improve traditional technological process, reduce manual waste of shearing cost of human resources, effectively enhance productivity; And can effectively reduce production cost, improve the injection mold of product yield greatly.

For achieving the above object; The technical scheme of the utility model is following: a kind of injection mold; Comprise cover half, dynamic model, guide pillar and liftout attachment; Connect through said guide pillar between said cover half and the said dynamic model, said liftout attachment is arranged in the said dynamic model, said liftout attachment comprise eject panel, eject base plate, the back stitching that resets, cutting tool, runner thimble, product thimble and back stitching; The said panel that ejects is arranged on said ejecting on the base plate, and the said back stitching that resets, said cutting tool, said runner thimble, said product thimble, said back stitching are arranged on said eject panel and said ejecting in the base plate.

Preferably; Said cover half comprises admittedly plate, solid plate, plug screw, reset back stitching bar, mold insert, spring; Said going up admittedly between the plate and said solid plate through connections that screw of said plug, the said back stitching bar that resets are arranged on said going up admittedly in the plate and said solid plate, and said spring is arranged on said going up and consolidates between plate and the said solid plate; Said mold insert is arranged in the said solid plate, and said mold insert is connected with the said plate of upward consolidating through screw.

Preferably, said dynamic model comprises lower fixed slab, moving platen, back-up block, and said back-up block is arranged between said lower fixed slab and the said moving platen, connects through screw between said lower fixed slab, said moving platen, the said back-up block.

Preferably, also comprise stopping means, said stopping means is arranged on said moving platen lower end.

Preferably, be provided with shutter between said solid plate and the said moving platen.

Preferably, also comprise the rubbish nail, said rubbish nail is arranged on the bottom of said reset back stitching and said back stitching.

Adopt the beneficial effect of present technique scheme to be: can in mould, just can cut cast gate; Improve traditional technological process, reduce manual waste of shearing cost of human resources, effectively enhance productivity; And can effectively reduce production cost, improve the product yield greatly.

Description of drawings

In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology; To do to introduce simply to the accompanying drawing of required use in the embodiment technical description below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

Fig. 1 is the structural representation of the matched moulds state of the utility model.

Fig. 2 be the utility model the first time operating state structural representation.

Fig. 3 is the structural representation of the cutting action state of the utility model.

Fig. 4 is the structural representation of the die sinking operating state of the utility model.

Fig. 5 ejects the structural representation of operating state for the product of the utility model.

The numeral corresponding component title represented among the figure with letter:

1. cover half 2. dynamic models 3. guide pillars 4. liftout attachments 5. shutters 6. stopping means 7. products

101. go up admittedly plate 102. solid plates 103. plugs 104. back stitching bar 105. mold inserts 106. springs 107. screws that reset that screw

201. lower fixed slab 202. moving platens 203. back-up blocks 204. screws 205. screws

Eject base plate 403. back stitching 404. cutting tools 405. runner thimbles 406. product thimbles 407. back stitchings that reset 401. eject panel 402..

The specific embodiment

To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

Embodiment 1

As shown in Figure 1, a kind of injection mold of the utility model comprises cover half 1, dynamic model 2, guide pillar 3 and liftout attachment 4, connects through guide pillar 3 between cover half 1 and the dynamic model 2, and liftout attachment 4 is arranged in the dynamic model 2.Liftout attachment 4 comprise eject panel 401, eject base plate 402, the back stitching that resets 403, cutting tool 404, runner thimble 405, product thimble 406 and back stitching 407; Eject panel 401 and be arranged on and eject on the base plate 402, the back stitching that resets 403, cutting tool 404, runner thimble 405, product thimble 406, back stitching 407 are arranged on and eject panel 401 and eject in the base plate 402.Through cutting tool 404 is set, can the cast gate of product 7 be cut off in mould.Through the setting back stitching 403 that resets, in order to let liftout attachment 4 reset fully.Through back stitching 407 is set; Guarantee when not having die sinking; Runner thimble 405, product thimble 406 and cutting tool 404 do not eject; Thereby play protective action, prevent that cutting tool 404, runner thimble 405, product thimble 406 can not be damaged cutting tool 404, runner thimble 405, product thimble 406.

Cover half 1 comprises admittedly that plate 101, solid plate 102, plug screw 103, the back stitching that resets bar 104, mold insert 105, spring 106; Going up admittedly between the plate 101 and solid plate 102 screws through plug 103 connects; The back stitching that resets bar 104 is arranged on to be consolidated in plate 101 and the solid plate 102; Spring 106 is arranged on to be consolidated between plate 101 and the solid plate 102, and mold insert 105 is arranged in the solid plate 102, and mold insert 105 is connected with last solid plate 101 through screw 107.Dynamic model 2 comprises lower fixed slab 201, moving platen 202, back-up block 203, and back-up block 203 is arranged between lower fixed slab 201 and the moving platen 202, is connected with screw 205 through screw 204 between lower fixed slab 201, moving platen 202, the back-up block 203.Also comprise stopping means 6, stopping means 6 is arranged on moving platen 202 lower ends.Be provided with shutter 5 between solid plate 102 and the moving platen 202.Screw through spring 106, shutter 5, plug and 103 to realize consolidating between plate 101 and the solid plate 102 and can open a part in advance.Through being set, stopping means 6 can control the work shift of thimble and cutting tool; Make cutting tool 404, runner thimble 405, said product thimble 406 operating positions accurate; Play certain buffer protection effect simultaneously, prevent to eject panel 401 and directly contact the mould infringement that causes with moving platen 202.

Operation principle: as shown in Figure 1, be the structural representation of mould matched moulds state, after injection moulding is accomplished; As shown in Figure 2; Mould moves for the first time, and under the matched moulds state, upward admittedly plate 101 screws through spring 106, shutter 5 and plug and 103 realizes moving upward; And open 2 ㎜ between the solid plate 102 earlier, reset this moment back stitching bar 104 and mold insert 105 are followed and are consolidated plate 101 2 ㎜ that move upward together; As shown in Figure 3, be the action of mould incised cast gate, upward plate 101 moves upward behind 2 ㎜ admittedly; This moment liftout attachment 41 ㎜ that moves upward; The back stitching that resets 403, cutting tool 404, runner thimble 405, product thimble 406 and back stitching 407 are arranged on and eject panel 401 and eject in the base plate 402 and since runner thimble 405, product thimble 406 and back stitching 407 with eject base plate 402 and leave certain interval, and reset back stitching 403 and cutting tool 404 and eject and do not leave the gap between the base plate 402; The back stitching 403 of resetting this moment and cutting tool 404 are also along with liftout attachment 41 ㎜ that moves upward together; The cast gate of 404 pairs of products 7 of cutting tool cuts, and back stitching 407 and eject the gap of leaving 1 ㎜ between the base plate 402, after liftout attachment 4 moves upward 1 ㎜; This moment, back stitching 407 meetings were along with liftout attachment 4 moves together; But owing to also do not have die sinking, be under the matched moulds state status, solid plate 102 is withstood in back stitching 407 upper ends; Prevent that liftout attachment 4 from continuing to move upward under the die opening state also not having, thus protection cutting tool 404, runner thimble 405, product thimble 406; As shown in Figure 4, the mould die sinking, this moment, cover half 1 moved upward; As shown in Figure 5, the runner of product 7 and product 7 ejects, runner thimble 405 and product thimble 406 with eject base plate 402 and all leave certain interval; When die-cut was moved, liftout attachment 41 ㎜ that moved upward was because runner thimble 405 and eject the gap of leaving 1 ㎜ between the base plate 402; And product thimble 406 and eject the gap of leaving 3 ㎜ between the base plate 402, liftout attachment 4 moves upward once more after die sinking, and runner thimble 405 moves upward earlier; Runner with product 7 ejects earlier; After liftout attachment moved upward 2 ㎜ once more, product thimble 406 began to move upward then, and product 7 is ejected.Move upward earlier through last solid plate 101, cover half 1 postpones die sinking with dynamic model 2, and cutting tool 404 realizes that in the action of mould incised the cast gate of product 7 is accomplished cutting action in mould.Through the setting that ejects of runner thimble 405 and product thimble 406 differential types, realize that the runner of product 7 and product 7 separately ejects.

Embodiment 2

All the other are identical with embodiment 1, and difference is also to comprise the rubbish nail, and said rubbish nail is arranged on the bottom of said reset back stitching and said back stitching, can prevent the destruction that foreign matter causes mould through the rubbish nail is set.

To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims

1. injection mold; Comprise cover half, dynamic model, guide pillar and liftout attachment; Connect through said guide pillar between said cover half and the said dynamic model; Said liftout attachment is arranged in the said dynamic model, it is characterized in that, said liftout attachment comprise eject panel, eject base plate, the back stitching that resets, cutting tool, runner thimble, product thimble and back stitching; The said panel that ejects is arranged on said ejecting on the base plate, and the said back stitching that resets, said cutting tool, said runner thimble, said product thimble, said back stitching are arranged on said eject panel and said ejecting in the base plate.

2. a kind of injection mold according to claim 1; It is characterized in that; Said cover half comprises admittedly plate, solid plate, plug screw, reset back stitching bar, mold insert, spring; Said going up admittedly between the plate and said solid plate through connections that screw of said plug, the said back stitching bar that resets are arranged on said going up admittedly in the plate and said solid plate, and said spring is arranged on said going up and consolidates between plate and the said solid plate; Said mold insert is arranged in the said solid plate, and said mold insert is connected with the said plate of upward consolidating through screw.

3. a kind of injection mold according to claim 1; It is characterized in that; Said dynamic model comprises lower fixed slab, moving platen, back-up block, and said back-up block is arranged between said lower fixed slab and the said moving platen, connects through screw between said lower fixed slab, said moving platen, the said back-up block.

4. a kind of injection mold according to claim 1 is characterized in that, also comprises stopping means, and said stopping means is arranged on said moving platen lower end.

5. a kind of injection mold according to claim 1 is characterized in that, is provided with shutter between said solid plate and the said moving platen.

6. a kind of injection mold according to claim 1 is characterized in that, also comprises the rubbish nail, and said rubbish nail is arranged on the bottom of said reset back stitching and said back stitching.