CN104118095A - Lateral parting core-pulling injection mold for improving forming and mold pulling efficiency - Google Patents
Lateral parting core-pulling injection mold for improving forming and mold pulling efficiency Download PDFInfo
- Publication number
- CN104118095A CN104118095A CN201410353155.3A CN201410353155A CN104118095A CN 104118095 A CN104118095 A CN 104118095A CN 201410353155 A CN201410353155 A CN 201410353155A CN 104118095 A CN104118095 A CN 104118095A
- Authority
- CN
- China
- Prior art keywords
- fixed head
- clamping plate
- core
- push pedal
- gripper shoe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
Abstract
The invention discloses a lateral parting core-pulling injection mold for improving forming and mold pulling efficiency. A fixed plate is arranged between a fixed clamping plate and a movable clamping plate; a core is arranged in the fixed plate, and penetrates through the fixed plate; a movable template and a lateral core sliding block are arranged between the fixed plate and the fixed clamping plate; a taper pin is arranged in the lateral core sliding block; a wedge block is fixed on the fixed clamping plate, and is tightly contacted with an inclined surface; a support plate is arranged between the movable clamping plate and the fixed plate, and is contacted with the fixed plate; the core is contacted with the support plate; a cushion block is contacted with the support plate and the movable clamping plate; a pushing plate is arranged in the movable clamping plate, and is provided with a pushing rod and a pulling rod; the pulling rod is contacted with the fixed clamping plate; a positioning pole is fixed on a pushing plate fixed plate; a spring 1 coats on the positioning pole; a spring 2 coats on the pulling rod; and a spring 3 coats on the pushing rod. The lateral parting core-pulling injection mold realizes the soft contact by using the elasticity of the springs, reduces the impact of direct hard contact, and improves the forming and mold pulling efficiency.
Description
Technical field
The present invention relates to a kind of injection mould, especially relate to a kind of undercut core loose injection mould that improves moulding and withdrawing pattern efficiency.
Background technology
Mould, is the instrument for formed article, and this instrument is made up 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 separate (stamping-out) by outline line shape.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.Separately time, 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.
Summary of the invention
The object of the invention is to overcome above-mentioned 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, design a kind of undercut core loose injection mould that improves 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.
Object of the present invention is achieved through the following technical solutions: a kind of undercut core loose injection mould that improves 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 the angle between the angle between inclined-plane and plumb line and taper pin and plumb line is identical, 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, there is gap towards gripper shoe and with the bottom of gripper shoe 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 contacts with sprue puller through after top clamping plate, and the center line of sprue puller, the center line of sprue bush and the center line of centring ring are arranged on same plumb line.
In sum, the invention has the beneficial effects as follows: 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.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
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.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As shown in Figure 1, a kind of undercut core loose injection mould that improves 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 the angle between the angle between inclined-plane and plumb line and taper pin 2 and plumb line is identical, 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, there is gap towards gripper shoe 22 and with the bottom of gripper shoe 22 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, drawing each time in 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, after moulding, push rod 9 acts on when withdrawing pattern, spring 3 13 can avoid push rod 9 to cause larger impact to workpiece 5, prevent workpiece 5 to cause damage, ensure 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, cause the impact in Workpiece shaping process to eliminate, affect the life-span of mould, in the time of 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 there is the trend close towards wedge block 1 on inclined-plane, 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 be because the displacement of parts causes workpiece size disunity, the moulding of workpiece 5 in mould can obtain 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 invention; not the present invention is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technology of the present invention, method are done above embodiment in fact, within all falling into protection scope of the present invention.
Claims (3)
1. one kind is improved the undercut core loose injection mould of 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 the angle between the angle between inclined-plane and plumb line and taper pin (2) and plumb line is identical, 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), there is gap towards gripper shoe (22) and with the bottom of gripper shoe (22) 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 that improves 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 that improves 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 |
|---|---|---|---|
| CN201410353155.3A CN104118095A (en) | 2014-07-24 | 2014-07-24 | Lateral parting core-pulling injection mold for improving forming and mold pulling efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410353155.3A CN104118095A (en) | 2014-07-24 | 2014-07-24 | Lateral parting core-pulling injection mold for improving forming and mold pulling efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104118095A true CN104118095A (en) | 2014-10-29 |
Family
ID=51763847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410353155.3A Withdrawn CN104118095A (en) | 2014-07-24 | 2014-07-24 | Lateral parting core-pulling injection mold for improving forming and mold pulling efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104118095A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128285A (en) * | 2015-09-30 | 2015-12-09 | 太仓市顺昌锻造有限公司 | Injection mold |
| CN105172054A (en) * | 2015-09-30 | 2015-12-23 | 太仓市顺昌锻造有限公司 | Injection mold |
| CN108859028A (en) * | 2018-06-06 | 2018-11-23 | 天津信望爱科技有限公司 | The ejection stripper apparatus of injection mold |
| CN110193920A (en) * | 2019-06-10 | 2019-09-03 | 东莞市竣詹机械科技有限公司 | A kind of plastic mould thimble pushing mechanism |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202462819U (en) * | 2012-02-22 | 2012-10-03 | 福建华昆特种汽车配件有限公司 | Demolding component for fixed mold plate and injection mold |
| CN203945584U (en) * | 2014-07-24 | 2014-11-19 | 成都亨通兆业精密机械有限公司 | A kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency |
-
2014
- 2014-07-24 CN CN201410353155.3A patent/CN104118095A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202462819U (en) * | 2012-02-22 | 2012-10-03 | 福建华昆特种汽车配件有限公司 | Demolding component for fixed mold plate and injection mold |
| CN203945584U (en) * | 2014-07-24 | 2014-11-19 | 成都亨通兆业精密机械有限公司 | A kind of undercut core loose injection mould based on improving moulding and withdrawing pattern efficiency |
Non-Patent Citations (1)
| Title |
|---|
| 冷真龙，莫盛秋: "《塑料成型工艺及模具设计》", 30 April 2013, 成都：电子科技大学出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105128285A (en) * | 2015-09-30 | 2015-12-09 | 太仓市顺昌锻造有限公司 | Injection mold |
| CN105172054A (en) * | 2015-09-30 | 2015-12-23 | 太仓市顺昌锻造有限公司 | Injection mold |
| CN108859028A (en) * | 2018-06-06 | 2018-11-23 | 天津信望爱科技有限公司 | The ejection stripper apparatus of injection mold |
| CN110193920A (en) * | 2019-06-10 | 2019-09-03 | 东莞市竣詹机械科技有限公司 | A kind of plastic mould thimble pushing mechanism |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20141029 |
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| WW01 | Invention patent application withdrawn after publication |