CN203945584U - A kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency - Google Patents
A kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency Download PDFInfo
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- CN203945584U CN203945584U CN201420409568.4U CN201420409568U CN203945584U CN 203945584 U CN203945584 U CN 203945584U CN 201420409568 U CN201420409568 U CN 201420409568U CN 203945584 U CN203945584 U CN 203945584U
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- fixed head
- clamping plate
- gripper shoe
- core
- push pedal
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Abstract
The utility model discloses a kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency, between top clamping plate and Bottom clamp plate, be provided with fixed head, in fixed head, be provided with core, core is through fixed head, between fixed head and top clamping plate, be provided with moving platen and side core slide block, in side core slide block, be provided with taper pin, on top clamping plate, be fixed with wedge block, wedge block and inclined-plane close contact, between Bottom clamp plate and fixed head, be provided with gripper shoe, gripper shoe contacts with fixed head, core contacts with gripper shoe, cushion block contacts with Bottom clamp plate with gripper shoe, in Bottom clamp plate, be provided with push pedal, in push pedal, be provided with push rod and sprue puller, sprue puller contacts with top clamping plate, push pedal fixed head is fixed with locating dowel, locating dowel is sheathed with spring one, sprue puller is sheathed with spring two, push rod is sheathed with spring three.This undercut core loose injection mould utilizes the elasticity of spring to realize soft contact, reduces the directly impact of hard contact, improves the efficiency of moulding and withdrawing pattern.
Description
Technical field
The utility model relates to a kind of injection mould, especially relates to a kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency.
Background technology
Mould, is the instrument for formed article, and this instrument consists of various parts.It mainly realizes the processing of article profile by the change of institute's moulding material physical state.Conventionally use in industry, in order to injection moulding, blowing, extrude, various moulds and instrument that the method such as die casting or forging forming, smelting, punching press, stretching obtains required product.Mould kind is a lot, can be divided into: the mould of the mould of processing metal and machining of non-metallic and powder metallurgy according to processing object and processing technology.By the difference of the material of institute's moulding, mould can be divided into hardware dies, plastic mould, with and special dies.According to design feature, mould can be divided into again the blanking die of plane and have the swaging die in space.Make under external force blank become the instrument of the product that has given shape and size.Be widely used in stamping-out, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting, and during the compression moulding of goods such as engineering plastics, rubber, pottery or the shaping of injection moulding process.Mould has specific profile or cavity shape, and the contour shape that application has cutting edge can make blank, by outline line shape, separated (stamping-out) occur.Application cavity shape can make blank obtain corresponding three-dimensional shape.Mould generally comprises dynamic model and two parts of cover half (or punch and die), the two partable.In the time of separately, take out product, while closing up, make blank inject mold cavity and be shaped.Mould is precision instrument, complex-shaped, bears the expansive force of blank, and structural strength, rigidity, case hardness, surface roughness and machining accuracy are all had higher requirements, and the development level that mould is produced is one of important symbol of machine-building level.Injection-moulding plastic mould used is called injection mold, is called for short injection mould, and it is the important process equipment of realizing injection molding technique.Existing undercut core loose injection mould is all mechanical hard contact, after long-term use, easily sustains damage, and makes its Forming Quality unstable, and is prone to workpiece destruction in withdrawing pattern process.
Utility model content
It is all the hard contact of machinery that the purpose of this utility model is to overcome above-mentioned existing undercut core loose injection mould, after long-term use, easily sustain damage, make its Forming Quality unstable, and be prone in withdrawing pattern process the problem that workpiece destroys, designed a kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency, this undercut core loose injection mould utilizes the elasticity of spring to realize soft contact, a cushion effect is provided, reduce the directly impact of hard contact, improve the efficiency of moulding and withdrawing pattern, having solved existing undercut core loose injection mould is all the hard contact of machinery, after long-term use, easily sustain damage, make its Forming Quality unstable, and be prone in withdrawing pattern process the problem that workpiece destroys.
The purpose of this utility model is achieved through the following technical solutions: a kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency, comprise top clamping plate and Bottom clamp plate, described top clamping plate be arranged on Bottom clamp plate directly over, between top clamping plate and Bottom clamp plate, be provided with fixed head, in fixed head, be provided with core, the top of core is the bottom near top clamping plate through fixed head, between fixed head and top clamping plate, be provided with moving platen and side core slide block, core is arranged between moving platen and side core slide block, moving platen all contacts with top clamping plate with fixed head with side core slide block simultaneously, the sidewall of moving platen and side core slide block all simultaneously with the sidewall contact of core, in side core slide block, be provided with taper pin, the top of taper pin is arranged in top clamping plate through after side core slide block, side core slide block is inclined-plane away from the one end contacting with core, and inclined-plane is identical with the angle between taper pin and plumb line with the angle between plumb line, on top clamping plate, be fixed with wedge block, the inclined-plane close contact of the sidewall of wedge block and side core slide block, between Bottom clamp plate and fixed head, be provided with gripper shoe, the top of gripper shoe contacts with the bottom of fixed head, and the bottom of core contacts with the top of gripper shoe, between gripper shoe and Bottom clamp plate, be provided with some cushion blocks, the two ends of cushion block contact with Bottom clamp plate with gripper shoe respectively, in Bottom clamp plate, be provided with push pedal, and the bottom of push pedal is arranged in Bottom clamp plate, the top of push pedal is fixed with push pedal fixed head, push pedal and push pedal fixed head are arranged on cushion block around the intra-zone forming, in push pedal, be provided with push rod and sprue puller, the top of push rod is successively through push pedal fixed head, gripper shoe, fixed head, after moving platen, contact with top clamping plate, the top of sprue puller is passed push pedal fixed head and is contacted with top clamping plate after core successively, the top of push pedal fixed head is fixed with locating dowel, towards gripper shoe and with the bottom of gripper shoe, there is gap in the top of locating dowel, on the outer wall of locating dowel, be sheathed with spring one, the two ends of spring one contact with gripper shoe with push pedal fixed head respectively, on the outer wall of sprue puller, be sheathed with spring two, the bottom of spring two contacts with push pedal fixed head, the top of spring two is passed gripper shoe and is contacted with the bottom of moving platen after fixed head, on the outer wall of push rod, be sheathed with spring three, the bottom of spring three contacts with push pedal fixed head, the top of spring three is arranged in core through after gripper shoe.
The top of described gripper shoe is provided with guide pillar, and the top of guide pillar is successively through being arranged in top clamping plate after fixed head and moving platen.
In described top clamping plate, be provided with centring ring, the bottom of centring ring is fixed with sprue bush, sprue bush is arranged in top clamping plate, the bottom of sprue bush is through contacting with sprue puller after top clamping plate, and the center line of sprue puller, the center line of the center line of sprue bush and centring ring be arranged on same plumb line.
In sum, the beneficial effects of the utility model are: this undercut core loose injection mould utilizes the elasticity of spring to realize soft contact, a cushion effect is provided, reduce the directly impact of hard contact, improve the efficiency of moulding and withdrawing pattern, having solved existing undercut core loose injection mould is all the hard contact of machinery, after long-term use, easily sustains damage, make its Forming Quality unstable, and be prone in withdrawing pattern process the problem that workpiece destroys.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing: 1-wedge block; 2-taper pin; 3-centring ring; 4-sprue bush; 5-workpiece; 6-top clamping plate; 7-guide pillar; 8-moving platen; 9-push rod; 10-spring passage three; 11-spring passage two; 12-spring two; 13-spring three; 14-push pedal fixed head; 15-sprue puller; 16-push pedal; 17-push pedal installing hole; 18-Bottom clamp plate; 19-cushion block; 20-locating dowel; 21-spring one; 22-gripper shoe; 23-fixed head; 24-side core slide block; 25-core.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited only to this.
Embodiment 1:
As shown in Figure 1, a kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency, comprise top clamping plate 6 and Bottom clamp plate 18, described top clamping plate 6 be arranged on Bottom clamp plate 18 directly over, between top clamping plate 6 and Bottom clamp plate 18, be provided with fixed head 23, in fixed head 23, be provided with core 25, the top of core 25 is the bottom near top clamping plate 6 through fixed head 23, between fixed head 23 and top clamping plate 6, be provided with moving platen 8 and side core slide block 24, core 25 is arranged between moving platen 8 and side core slide block 24, moving platen 8 all contacts with top clamping plate 6 with fixed head 23 with side core slide block 24 simultaneously, the sidewall of moving platen 8 and side core slide block 24 all simultaneously with the sidewall contact of core 25, in side core slide block 24, be provided with taper pin 2, the top of taper pin 2 is arranged in top clamping plate 6 through after side core slide block 24, side core slide block 24 is inclined-plane away from the one end contacting with core 25, and inclined-plane is identical with the angle between taper pin 2 and plumb line with the angle between plumb line, on top clamping plate 6, be fixed with wedge block 1, the inclined-plane close contact of the sidewall of wedge block 1 and side core slide block 24, between Bottom clamp plate 18 and fixed head 23, be provided with gripper shoe 22, the top of gripper shoe 22 contacts with the bottom of fixed head 23, and the bottom of core 25 contacts with the top of gripper shoe 22, between gripper shoe 22 and Bottom clamp plate 18, be provided with some cushion blocks 19, the two ends of cushion block 19 contact with Bottom clamp plate 18 with gripper shoe 22 respectively, in Bottom clamp plate 18, be provided with push pedal 16, and the bottom of push pedal 16 is arranged in Bottom clamp plate 18, the top of push pedal 16 is fixed with push pedal fixed head 14, push pedal 16 and push pedal fixed head 14 are arranged on cushion block 19 around the intra-zone forming, in push pedal 16, be provided with push rod 9 and sprue puller 15, the top of push rod 9 is successively through push pedal fixed head 14, gripper shoe 22, fixed head 23, after moving platen 8, contact with top clamping plate 6, the top of sprue puller 15 contacts with top clamping plate 6 with after core 25 through push pedal fixed head 14 successively, the top of push pedal fixed head 14 is fixed with locating dowel 20, towards gripper shoe 22 and with the bottom of gripper shoe 22, there is gap in the top of locating dowel 20, on the outer wall of locating dowel 20, be sheathed with spring 1, the two ends of spring 1 contact with gripper shoe 22 with push pedal fixed head 14 respectively, on the outer wall of sprue puller 15, be sheathed with spring 2 12, the bottom of spring 2 12 contacts with push pedal fixed head 14, the top of spring 2 12 contacts with the bottom of moving platen 8 with after fixed head 23 through gripper shoe 22, on the outer wall of push rod 9, be sheathed with spring 3 13, the bottom of spring 3 13 contacts with push pedal fixed head 14, the top of spring 3 13 is arranged in core 25 through after gripper shoe 22.The through hole forming in gripper shoe 22 and core 25 is spring passage 2 11, sprue puller 15 and spring 2 12 are all through spring passage 2 11, the through hole forming in gripper shoe 22 and fixed head 23 is spring passage 3 10, push rod 9 and spring 3 13 are all through spring passage 3 10, in drawing each time material process, utilize the elasticity of spring 2 12 to realize flexibility and draw material, and while being pressed into, melt is reduced to minimum to the impact of sprue puller 15, push rod 9 effects during withdrawing pattern after moulding, spring 3 13 can avoid 9 pairs of workpiece 5 of push rod to cause larger impact, prevent workpiece 5 to cause damage, guarantee the quality of workpiece 5, one 21 pairs of gripper shoes 22 of spring in locating dowel 20 provide support, avoid gripper shoe 22 and cushion block 19 to produce excessive thrust, the compression of hard contact makes gripper shoe 22 and cushion block 19 occur that impression even merges, caused the impact in Workpiece shaping process to eliminate, affect the life-span of mould, when moulding, core 25 holds out against, melt flows into after cavity, side core slide block 24 is squeezed and moves towards outside, taper pin 2 inserts location, and inclined-plane has towards the close trend of wedge block 1, utilize the effect of wedge block 1 to make final and wedge block 1 close contact in the inclined-plane of side core slide block 24, cavity expands maximum to, this process, melt is cooling forming gradually, after moulding, utilize push rod 9 to promote workpiece 5 ejects from cavity, realize withdrawing pattern process, this undercut core loose injection mould utilizes the elasticity of spring to realize soft contact, a cushion effect is provided, reduce the directly impact of hard contact, improve the efficiency of moulding and withdrawing pattern, having solved existing undercut core loose injection mould is all the hard contact of machinery, after long-term use, easily sustain damage, make its Forming Quality unstable, and be prone in withdrawing pattern process the problem that workpiece destroys.
The top of described gripper shoe 22 is provided with guide pillar 7, and the top of guide pillar 7 is successively through being arranged in top clamping plate 6 after fixed head 23 and moving platen 8.Guide pillar 7 is as limiting moulding each time and withdrawing pattern action maintenance point-blank, make motion track unique, make workpiece 5 Forming Quality more stable, can not cause due to the displacement of parts workpiece size disunity, the moulding of workpiece 5 in mould can access unified size, makes workshop produce standard more in batches.
In described top clamping plate 6, be provided with centring ring 3, the bottom of centring ring 3 is fixed with sprue bush 4, sprue bush 4 is arranged in top clamping plate 6, the bottom of sprue bush 4 contacts with sprue puller 15 through top clamping plate 6 is rear, and the center line of sprue puller 15, the center line of sprue bush 4 and the center line of centring ring 3 are arranged on same plumb line.Centring ring 3 and sprue bush 4 are existing parts, are to be convenient to plastic melt to be passed in cavity, and then moulding in cavity, is workpiece 5, and centring ring 3 and sprue bush 4 are diversion components.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction; any simple modification, equivalent variations that every foundation technology of the present utility model, method are done above embodiment in fact, within all falling into protection domain of the present utility model.
Claims (3)
1. the undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency, it is characterized in that: comprise top clamping plate (6) and Bottom clamp plate (18), described top clamping plate (6) be arranged on Bottom clamp plate (18) directly over, between top clamping plate (6) and Bottom clamp plate (18), be provided with fixed head (23), in fixed head (23), be provided with core (25), the top of core (25) is the bottom near top clamping plate (6) through fixed head (23), between fixed head (23) and top clamping plate (6), be provided with moving platen (8) and side core slide block (24), core (25) is arranged between moving platen (8) and side core slide block (24), moving platen (8) all contacts with top clamping plate (6) with fixed head (23) with side core slide block (24) simultaneously, the sidewall of moving platen (8) and side core slide block (24) all simultaneously with the sidewall contact of core (25), in side core slide block (24), be provided with taper pin (2), the top of taper pin (2) is arranged in top clamping plate (6) through after side core slide block (24), side core slide block (24) is inclined-plane away from the one end contacting with core (25), and inclined-plane is identical with the angle between taper pin (2) and plumb line with the angle between plumb line, on top clamping plate (6), be fixed with wedge block (1), the inclined-plane close contact of the sidewall of wedge block (1) and side core slide block (24), between Bottom clamp plate (18) and fixed head (23), be provided with gripper shoe (22), the top of gripper shoe (22) contacts with the bottom of fixed head (23), and the bottom of core (25) contacts with the top of gripper shoe (22), between gripper shoe (22) and Bottom clamp plate (18), be provided with some cushion blocks (19), the two ends of cushion block (19) contact with Bottom clamp plate (18) with gripper shoe (22) respectively, in Bottom clamp plate (18), be provided with push pedal (16), and the bottom of push pedal (16) is arranged in Bottom clamp plate (18), the top of push pedal (16) is fixed with push pedal fixed head (14), push pedal (16) and push pedal fixed head (14) are arranged on cushion block (19) around the intra-zone forming, in push pedal (16), be provided with push rod (9) and sprue puller (15), the top of push rod (9) is successively through push pedal fixed head (14), gripper shoe (22), fixed head (23), after moving platen (8), contact with top clamping plate (6), the top of sprue puller (15) contacts with top clamping plate (6) with after core (25) through push pedal fixed head (14) successively, the top of push pedal fixed head (14) is fixed with locating dowel (20), towards gripper shoe (22) and with the bottom of gripper shoe (22), there is gap in the top of locating dowel (20), on the outer wall of locating dowel (20), be sheathed with spring one (21), the two ends of spring one (21) contact with gripper shoe (22) with push pedal fixed head (14) respectively, on the outer wall of sprue puller (15), be sheathed with spring two (12), the bottom of spring two (12) contacts with push pedal fixed head (14), the top of spring two (12) contacts with the bottom of moving platen (8) with after fixed head (23) through gripper shoe (22), on the outer wall of push rod (9), be sheathed with spring three (13), the bottom of spring three (13) contacts with push pedal fixed head (14), the top of spring three (13) is arranged in core (25) through after gripper shoe (22).
2. a kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency according to claim 1, it is characterized in that: the top of described gripper shoe (22) is provided with guide pillar (7), the top of guide pillar (7) is successively through being arranged in top clamping plate (6) after fixed head (23) and moving platen (8).
3. a kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency according to claim 1, it is characterized in that: in described top clamping plate (6), be provided with centring ring (3), the bottom of centring ring (3) is fixed with sprue bush (4), sprue bush (4) is arranged in top clamping plate (6), the bottom of sprue bush (4) contacts with sprue puller (15) through after top clamping plate (6), and the center line of sprue puller (15), the center line of sprue bush (4) and the center line of centring ring (3) are arranged on same plumb line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409568.4U CN203945584U (en) | 2014-07-24 | 2014-07-24 | A kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409568.4U CN203945584U (en) | 2014-07-24 | 2014-07-24 | A kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency |
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| Publication Number | Publication Date |
|---|---|
| CN203945584U true CN203945584U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420409568.4U Expired - Fee Related CN203945584U (en) | 2014-07-24 | 2014-07-24 | A kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency |
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| CN (1) | CN203945584U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118095A (en) * | 2014-07-24 | 2014-10-29 | 成都亨通兆业精密机械有限公司 | Lateral parting core-pulling injection mold for improving forming and mold pulling efficiency |
| CN104985764A (en) * | 2015-06-23 | 2015-10-21 | 常州轻工职业技术学院 | End cover type plastic part mold |
| CN108274702A (en) * | 2017-12-11 | 2018-07-13 | 浙江华朔科技股份有限公司 | A kind of mould structure with mandril |
| CN110355949A (en) * | 2019-08-13 | 2019-10-22 | 成都泽雅科技发展有限公司 | A kind of gas meter, flow meter right-hand worm mould |
-
2014
- 2014-07-24 CN CN201420409568.4U patent/CN203945584U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118095A (en) * | 2014-07-24 | 2014-10-29 | 成都亨通兆业精密机械有限公司 | Lateral parting core-pulling injection mold for improving forming and mold pulling efficiency |
| CN104985764A (en) * | 2015-06-23 | 2015-10-21 | 常州轻工职业技术学院 | End cover type plastic part mold |
| CN108274702A (en) * | 2017-12-11 | 2018-07-13 | 浙江华朔科技股份有限公司 | A kind of mould structure with mandril |
| CN110355949A (en) * | 2019-08-13 | 2019-10-22 | 成都泽雅科技发展有限公司 | A kind of gas meter, flow meter right-hand worm mould |
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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: 20141119 Termination date: 20150724 |
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| EXPY | Termination of patent right or utility model |