CN204249265U - The ejection guide structure of oblique top in a kind of mould - Google Patents
The ejection guide structure of oblique top in a kind of mould Download PDFInfo
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- CN204249265U CN204249265U CN201420669946.2U CN201420669946U CN204249265U CN 204249265 U CN204249265 U CN 204249265U CN 201420669946 U CN201420669946 U CN 201420669946U CN 204249265 U CN204249265 U CN 204249265U
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- oblique top
- oblique
- guide structure
- bearing
- slide opening
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Abstract
The utility model provides the ejection guide structure of oblique top in a kind of mould, belongs to technical field of mold.It solve existing oblique top to adopt and wear pin or buckle and be connected with tilted footstock, and then easily cause ejecting the phenomenon easily burnt to death in raise-position.In this mould, the ejection guide structure of oblique top comprises upper die and lower die, the bottom of counterdie arranges top board, top board arranges thimble, in counterdie, oblique top is set, thimble be placed in below oblique top formed eject or release movement driving connect, the bottom of oblique top arranges tilted footstock, open in tilted footstock and put down to slide opening, the bottom of oblique top is inserted to stretch into and is put down in slide opening, and the bottom-hinged of oblique top has bearing, bearing embeds and puts down in slide opening, and the circumference of bearing is rolled face with putting down and formed rolling friction type to the inwall of slide opening and contact.In this mould, sliding friction is changed to rolling friction by the ejection guide structure of oblique top, thus decreases resistance, make oblique top to eject action more smooth and easy, effectively prevent oblique top and burn in die and the generation of the accident such as oblique top fracture.
Description
Technical field
The utility model belongs to technical field of mold, relates to a kind of ejection guide structure being beneficial to oblique top in the oblique top smooth and easy structure ejected, particularly a kind of mould.
Background technology
A kind of processing method used when injection mo(u)lding is some complex-shaped parts of batch production.The material melted that is heated is injected die cavity by high pressure by concrete finger, after cooling curing, obtains formed products.Injection mold is a kind of instrument producing plasthetics, is also the instrument giving plasthetics complete structure and accurate dimension.Injection mold is made up of dynamic model and cover half two parts usually, and dynamic model is arranged on the moving die plate of injection (mo(u)lding) machine, and cover half is arranged on the fixed form of injection (mo(u)lding) machine.When injection moulding, dynamic model and cover half close and form running gate system and die cavity, and during die sinking, dynamic model is separated to take out plastic products with cover half.
The injecting products of some special constructions, needs ejecting structure that shaped article is ejected model when die sinking and makes it depart from.Injection mold is kept away when making and is unavoidably used oblique top thus, and oblique top often can run into when shaping production the phenomenon be scorched to death.And the reason that oblique top is burnt to death is all oblique top and tilted footstock slide have some setbacks caused.
Industry generally adopts when making mould to be done oblique top and wears pin or oblique top and buckle and be connected with tilted footstock in oblique top, but the phenomenon that these two kinds of ways all cannot avoid oblique top easily to burn to death, because wear the side-friction that pin result in oblique top pin and tilted footstock, and oblique top buckles and also keeps away unavoidable and tilted footstock and there is side-friction, the two is sliding friction, and the oblique top thus caused by sliding friction is burnt phenomenon to death and caused product stripping bad, and mould is fragile, reduce service life, improve production cost.
Utility model content
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of slide guide mode utilizing the slide guide mode of rolling friction to replace sliding friction, ensures the lifter ejection ejection guide structure of oblique top in mould smoothly.
The purpose of this utility model realizes by following technical proposal: the ejection guide structure of oblique top in a kind of mould, comprise upper die and lower die, the bottom of described counterdie arranges top board, described top board arranges thimble, in described counterdie, oblique top is set, described thimble be placed in below oblique top formed eject or release movement driving connect, the bottom of described oblique top arranges tilted footstock, opening in described tilted footstock puts down to slide opening, the bottom of described oblique top is inserted to stretch into and is put down in slide opening, the bottom-hinged of described oblique top has bearing, described bearing embeds puts down in slide opening, and the circumference of bearing is rolled face with putting down and is formed rolling friction type to the inwall of slide opening and contact.
In this mould oblique top ejection guide structure in, after upper die and lower die carry out matched moulds, form the die cavity of injecting products between the two.In counterdie, the quantity of oblique top is two, and symmetrical setting, the quantity of thimble is also two thus, and thimble and oblique top one_to_one corresponding are arranged.Bearing adopts ball bearing, and be also precision bearing, the smoothness on its surface is high simultaneously.
In injection moulding, after refrigerating work procedure completes, need to carry out parting, and further product is spun off by die cavity, top board is now driven to move upward, synchronous drive two thimbles move upward, lifting is synchronously carried out to two oblique tops in the top of two thimbles, because oblique top has outside angle of inclination, therefore in lifting process, there is oblique outer action trend, under the driving force effect of this trend, bearing bottom oblique top rolls to slide opening inwall relative to putting down, thus assist the oblique of oblique top to eject action flexibly by rolling friction, smooth and easy the avoiding of rising displacement of inclination is made to burn phenomenon to death.
In above-mentioned mould oblique top ejection guide structure in, the bottom of described oblique top is installed with bearing pin, and described bearing holder (housing, cover) is connected on bearing pin.Bearing pin is fixed on the bottom of oblique top, and bearing can rotate relative to bearing pin, thus oblique top do oblique eject action time, it both can carry out circumference centered by bearing pin and rotate positioning, carried out horizontal displacement again by bearing along putting down to roll to slide opening.
In above-mentioned mould oblique top ejection guide structure in, putting down of described tilted footstock fills lubricant in slide opening.Utilize lubricant to strengthen bearing further and equal the flexibility ratio of transposing of rolling between slide opening, and then optimizing oblique top and carry out the oblique smooth and easy degree ejected.
In above-mentioned mould oblique top ejection guide structure in, arrange slider guide in described counterdie, described slider guide opens oblique guide groove, described oblique top runs through oblique guide groove and forms slidingtype with cell wall and contacts.This slider guide is copper billet, and the wearability of copper billet is high, is beneficial to the prolongation in service life; Slider guide can play good guide effect simultaneously, and then prevents oblique top from deforming.
In above-mentioned mould oblique top ejection guide structure in, back stitching hole is offered in described counterdie, spring groove is offered in the stage casing in described back stitching hole, the back stitching of interspersed liftable movement in described back stitching hole, described back stitching is socketed back-moving spring, and back-moving spring is positioned at spring groove, described back stitching pressed on ring is convex stage clip step, the top of described back-moving spring leans the groove top of spring groove, and its bottom leans on stage clip step, and the bottom of described back stitching leans on above-mentioned top board.Rise in oblique top and carry out ejecting in the process of operation, the synchronous lifting back stitching of top board, the stage clip step continued compression back-moving spring in back stitching; After oblique top completes and ejects operation, top board drives thimble to decline playback, because back-moving spring in uphill process is compressed, therefore after top board, thimble release oblique top, drives two oblique tops to decline be back to initial position by the elastic force of back-moving spring.
In above-mentioned mould oblique top ejection guide structure in, the top of described oblique top has position, school block, and position, described school block is by giving prominence to inside oblique top and stretching in the die cavity of die body.In injection moulding process, position, school block contact product in die cavity, realizes the effect of position, school.
Compared with prior art, in this mould, the ejection guide structure of oblique top sets up bearing in the bottom of oblique top, traditional sliding friction is made to change to rolling friction, thus decrease resistance, the further circumference that promotes rotates the flexibility ratio of transposing with translation, make oblique top to eject action more smooth and easy, effectively prevent oblique top and burn in die and the generation of the accident such as oblique top fracture.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the ejection guide structure of oblique top in this mould.
Fig. 2 is the perspective view of oblique top in the ejection guide structure of oblique top in this mould.
In figure, 1, patrix; 2, counterdie; 3, oblique top; 3a, position, school block; 4, slider guide; 5, tilted footstock; 6, bearing; 7, thimble; 8, top board; 9, back stitching; 10, back-moving spring.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As depicted in figs. 1 and 2, in this mould, the ejection guide structure of oblique top comprises patrix 1 and counterdie 2, arranges oblique top 3 and be beneficial to the smooth and easy guide frame ejected of oblique top 3 in counterdie 2.
The bottom of counterdie 2 arranges top board 8, top board 8 is arranged two thimbles 7, arranges two oblique tops 3 in counterdie 2, and two symmetrical settings of oblique top 3, thimble 7 is positioned at the below of oblique top 3, and the two is one_to_one corresponding setting, and formation ejects or the driving of release movement connects.
The bottom of oblique top 3 arranges tilted footstock 5, opens and put down to slide opening in tilted footstock 5.The bottom of oblique top 3 is inserted to stretch into and is put down in slide opening, and bearing pin is worn admittedly in the bottom of oblique top 3, bearing pin is socketed with bearing 6, and be specially bearing pin and be fixed on the bottom of oblique top 3, bearing 6 can rotate relative to bearing pin.Bearing 6 adopts ball bearing, and be also precision bearing, the smoothness on its surface is high simultaneously.Bearing 6 embeds and puts down in slide opening, and the circumference of bearing 6 is rolled face with putting down and formed rolling friction type to the inwall of slide opening and contact.Putting down of tilted footstock 5 fills lubricant in slide opening, utilizes lubricant to strengthen bearing 6 further and equals the flexibility ratio of transposing of rolling between slide opening, and then optimizes oblique top 3 and carry out the oblique smooth and easy degree ejected.
Also arrange slider guide 4 in counterdie 2, slider guide 4 opens oblique guide groove, oblique top 3 runs through oblique guide groove and forms slidingtype with cell wall and contacts.This slider guide 4 is copper billet, and the wearability of copper billet is high, is beneficial to the prolongation in service life; Slider guide 4 can play good guide effect simultaneously, and then prevents oblique top 3 from deforming.
The top of oblique top 3 has position, school block 3a, and position, school block 3a is by giving prominence to inside oblique top 3 and stretching in the die cavity of die body.In injection moulding process, position, school block 3a contact product in die cavity, realizes the effect of position, school.
Back stitching hole is offered in counterdie 2, spring groove is offered in the stage casing in back stitching hole, the back stitching 9 of interspersed liftable movement in back stitching hole, back stitching 9 is socketed back-moving spring 10, and back-moving spring 10 is positioned at spring groove, back stitching 9 pressed on ring is convex stage clip step, and the top of back-moving spring 10 leans the groove top of spring groove, its bottom leans on stage clip step, and the bottom of back stitching 9 leans on top board 8.
After the patrix 1 of the ejection guide structure of oblique top, counterdie 2 carry out matched moulds in this mould, form the die cavity of injecting products between the two, and then realize injection step.In injection moulding, after refrigerating work procedure completes, need to carry out parting, and further product is spun off by die cavity, top board 8 is now driven to move upward, synchronous drive two thimbles 7 move upward, lifting is synchronously carried out to two oblique tops 3 in the top of two thimbles 7, because oblique top 3 has outside angle of inclination, therefore in lifting process, there is oblique outer action trend, under the driving force effect of this trend, oblique top 3 both can carry out circumference rotation positioning centered by bearing pin, horizontal displacement is carried out along putting down to slide opening rolling again by bearing 6, thus assist the oblique of oblique top 3 to eject action flexibly by rolling friction, smooth and easy the avoiding of rising displacement of inclination is made to burn phenomenon to death.
Rise in oblique top 3 and carry out ejecting in the process of operation, the synchronous lifting back stitching 9 of top board 8, the stage clip step continued compression back-moving spring 10 in back stitching 9; After oblique top 3 completes and ejects operation, top board 8 drives thimble 7 to decline playback, because back-moving spring in uphill process 10 is compressed, therefore after top board 8, thimble 7 discharge oblique top 3, drives two oblique tops 3 to decline be back to initial position by the elastic force of back-moving spring 10.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ patrix 1 herein; Counterdie 2; Oblique top 3; Position, school block 3a; Slider guide 4; Tilted footstock 5; Bearing 6; Thimble 7; Top board 8; Back stitching 9; Term such as back-moving spring 10 grade, but do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (6)
1. the ejection guide structure of oblique top in a mould, comprise upper die and lower die, the bottom of described counterdie arranges top board, described top board arranges thimble, in described counterdie, oblique top is set, described thimble be placed in below oblique top formed eject or release movement driving connect, it is characterized in that, the bottom of described oblique top arranges tilted footstock, opening in described tilted footstock puts down to slide opening, the bottom of described oblique top is inserted to stretch into and is put down in slide opening, the bottom-hinged of described oblique top has bearing, described bearing embeds puts down in slide opening, and the circumference of bearing is rolled face with putting down and is formed rolling friction type to the inwall of slide opening and contact.
2. the ejection guide structure of oblique top in mould according to claim 1, it is characterized in that, the bottom of described oblique top is installed with bearing pin, and described bearing holder (housing, cover) is connected on bearing pin.
3. the ejection guide structure of oblique top in mould according to claim 1, it is characterized in that, putting down of described tilted footstock fills lubricant in slide opening.
4. the ejection guide structure of oblique top in mould according to claim 1, is characterized in that, arrange slider guide in described counterdie, described slider guide opens oblique guide groove, and described oblique top runs through oblique guide groove and forms slidingtype with cell wall and contacts.
5. the ejection guide structure of oblique top in mould according to any one of claim 1 to 4, it is characterized in that, back stitching hole is offered in described counterdie, spring groove is offered in the stage casing in described back stitching hole, the back stitching of interspersed liftable movement in described back stitching hole, described back stitching is socketed back-moving spring, and back-moving spring is positioned at spring groove, described back stitching pressed on ring is convex stage clip step, the top of described back-moving spring leans the groove top of spring groove, its bottom leans on stage clip step, and the bottom of described back stitching leans on above-mentioned top board.
6. the ejection guide structure of oblique top in mould according to any one of claim 1 to 4, it is characterized in that, the top of described oblique top has position, school block, and position, described school block is by giving prominence to inside oblique top and stretching in the die cavity of die body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669946.2U CN204249265U (en) | 2014-11-11 | 2014-11-11 | The ejection guide structure of oblique top in a kind of mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669946.2U CN204249265U (en) | 2014-11-11 | 2014-11-11 | The ejection guide structure of oblique top in a kind of mould |
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| Publication Number | Publication Date |
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| CN204249265U true CN204249265U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420669946.2U Expired - Fee Related CN204249265U (en) | 2014-11-11 | 2014-11-11 | The ejection guide structure of oblique top in a kind of mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115502319A (en) * | 2022-09-29 | 2022-12-23 | 湖北洪伯车辆有限公司 | Forging die for automobile steering knuckle blank |
-
2014
- 2014-11-11 CN CN201420669946.2U patent/CN204249265U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115502319A (en) * | 2022-09-29 | 2022-12-23 | 湖北洪伯车辆有限公司 | Forging die for automobile steering knuckle blank |
| CN115502319B (en) * | 2022-09-29 | 2024-03-22 | 湖北洪伯车辆有限公司 | Forging die for automobile steering knuckle blank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20151111 |
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| EXPY | Termination of patent right or utility model |