CN106493920A - A kind of mould emptier with fixed workpiece function - Google Patents
A kind of mould emptier with fixed workpiece function Download PDFInfo
- Publication number
- CN106493920A CN106493920A CN201611055417.3A CN201611055417A CN106493920A CN 106493920 A CN106493920 A CN 106493920A CN 201611055417 A CN201611055417 A CN 201611055417A CN 106493920 A CN106493920 A CN 106493920A
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- China
- Prior art keywords
- mould
- slide block
- workpiece
- chute
- shaping
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- 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
- B29C45/40—Removing or ejecting moulded articles
-
- 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
- B29C45/2602—Mould construction elements
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of mould emptier with fixed workpiece function; before injection; driving means band movable slider is moved towards die cavity; and the pressure tongue of slip front is made positioned at the top at die cavity edge; after upper mould is closed on the lower mould, each briquetting on upper mould is pressed on slide block, so; cast liquid in injection moulding process is to pressing the pressure upward that tongue is produced make the movement of pressure tongue or deform, it becomes possible to ensure that the workpiece size of shaping and shape are accurate for the first time；Upper mould is opened after for the first time shaping is completed and overturn lower mould and prepare second shaping of workpiece, now, be molded on made workpiece edge for the first time due to pressing tongue it is pressed in, relative to lower mould movement dislocation, the workpiece of shaping will not ensure that the overall dimensions of the workpiece of follow-up second shaping and shape are accurate for the first time.
Description
Technical field
The present invention relates to a kind of mould emptier with fixed workpiece function, belongs to injection mould processing technical field.
Background technology
As shown in figure 1, double-colored headlamp lens product includes curved surface thin-walled 2 and the side 3 located at curved surface thin-walled edge,
In injection, traditional double-colored headlamp lens product 3 part of first side in injection, then it is molded 2 part of curved surface thin-walled, side
3 part of side is easy to be provided with the structures such as product pin and 3 part of side of first time shaping is fixed on mould, so, one
Move moulds after secondary shaping and be also not result in the 2 part opposing mold movement of side of shaping for the first time and misplace.
And the curved surface thin-walled 2 that new double-colored headlamp lens product is molded first injection-molded work 1 in injection, for the first time is tied
Structure, second shaping are molded the side 3 of 2 edge of curved surface thin-walled again.First time be molded after need upset to move moulds with
Prepare second operations for forming, in order to prevent the workpiece of for the first time shaping opposing mold during die flip to be moved mistake
Position, needs the workpiece of first time shaping is fixed on mould.And still do not have to fix shaping for the first time in current mould
The mechanism of workpiece afterwards.
Content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of with fixed workpiece function
Mould emptier, can be fixed on injection-molded work on mould, it is ensured that the size and dimension of injection-molded work is accurate.
For achieving the above object and other related purposes, the present invention provides a kind of ingot stripper with fixed workpiece function
Structure, adopts the following technical scheme that：A kind of mould emptier with fixed workpiece function, including upper die and lower die, the upper mould sets
Above lower mould, lower mould is provided with the die cavity for injection-molded work；Multiple chutes are additionally provided with the lower mould, are set in each chute
There are a slide block, slide block to be driven and can be slidably reciprocated along chute by driving means, the front end of slide block is provided with the pressure tongue for projecting forward；
The upper mould is provided with multiple briquettings, and when upper mould is closed on lower mould, each briquetting is pressed on each slide block correspondingly.
Preferably, the both sides of the slide block are provided with two card ribs being parallel to each other, and the card rib is parallel with chute；On card rib
Pressing plate is provided with, the pressing plate is fixed on lower mould；The lower surface of the pressing plate is pressed on card rib and relative with card rib can slide.
Preferably, the workpiece be thin-walled shape structure, slip front pressure tongue be pressed on the edge of workpiece.
Preferably, the driving means are hydraulic cylinder.
Preferably, the chute is set around around the die cavity, and driving means can drive slide block to move simultaneously towards the die cavity
Pressure tongue is made to be moved to the top at die cavity edge.
Preferably, connected by connecting rod between the driving means and slide block, the rear end of slide block is provided with and extends up and down
Draw-in groove, the front end of connecting rod are provided with dop, and the dop is stuck in draw-in groove.
Preferably, the draw-in groove is T-shaped.
Further, the front end of the chute is provided with confined planes, slide block can towards chute nose motion and with the confined planes
Offset.
As described above, a kind of mould emptier with fixed workpiece function of the present invention, has the advantages that：In note
Before modeling, driving means band movable slider is moved towards die cavity, and makes the pressure tongue of slip front positioned at the top at die cavity edge, and upper mould is closed
After on the lower mould, each briquetting on upper mould is pressed on slide block, and so, the cast liquid in injection moulding process is to pressing the court that tongue is produced
On pressure cannot make the movement of pressure tongue or deform, it becomes possible to ensure that for the first time the workpiece size of shaping and shape are accurate；When
Complete to open upper mould after for the first time shaping and overturn lower mould and prepare second shaping of workpiece, now, due to pressing tongue pressure
On the workpiece edge that first time is molded made, the workpiece of shaping will not be ensure that relative to lower mould movement dislocation for the first time
The overall dimensions of the workpiece of follow-up second shaping and shape are accurate.
Description of the drawings
Fig. 1 is shown as the structural representation of injection-molded work.
Fig. 2 is shown as a kind of top view of mould emptier with fixed workpiece function of the present invention, on upper mould and upper mould
Briquetting removed.
Fig. 3 is shown as a kind of top view of mould emptier with fixed workpiece function of the present invention, lower mould, upper mould and on
Briquetting on mould is removed.
Fig. 4 is shown as the schematic perspective view of the parts such as hydraulic cylinder, slide block, briquetting and workpiece attachment structure.
Fig. 5 is shown as the top view of the attachment structure of the parts such as connecting rod, slide block, briquetting and workpiece.
Fig. 6 is shown as mounting structure schematic diagram of the slide block in chute.
Fig. 7 is shown as the schematic perspective view of slide block.
Piece mark explanation
1 workpiece, 9 briquetting
2 curved surface thin-walled, 10 card rib
3 side wall, 11 pressing plate
4 times 12 hydraulic cylinders of mould
5 die cavity, 13 connecting rod
6 chute, 14 draw-in groove
7 slide block, 15 dop
8 pressure 16 confined planes of tongue
Specific embodiment
Embodiments of the present invention are described below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different concrete realities
The mode of applying is carried out or applies, and the every details in this specification can also be based on different viewpoints and application, without departing from
Various modifications and changes are carried out under the spirit of the present invention.
Fig. 2 and Fig. 3 is referred to, the present invention provides a kind of mould emptier with fixed workpiece function, including upper mould with
Mould 4, above lower mould 4, lower mould 4 is provided with the die cavity 5 for injection-molded work 1 to the upper mould (not shown)；Under described
Multiple chutes 6 are additionally provided with mould 4, a slide block 7 is provided with each chute 6, and slide block 7 is driven by driving means and can be along chute 6
Slidably reciprocate, the front end of slide block 7 is provided with the pressure tongue 8 for projecting forward；The upper mould is provided with multiple briquettings 9 (see Fig. 4), when upper mould
When closing on lower mould 4, each briquetting 9 is pressed on each slide block 7 correspondingly.Before injection, driving means band movable slider 7
Move towards die cavity 5, and make the pressure tongue 8 of 7 front end of slide block be located at the top at 5 edge of die cavity, after upper mould is closed on the lower mould 4, upper mould
On each briquetting 9 be pressed on slide block 7, so, in injection moulding process cast liquid to press tongue 8 produce pressure upward cannot
Pressure tongue 8 is made to move or deform, it becomes possible to ensure that the size and dimension of the workpiece 1 of shaping for the first time is accurate；When completing for the first time
Upper mould is opened after shaping and overturn lower mould 4 and prepare second of workpiece 1 shaping, now, due to pressing tongue 8 to be pressed in for the first time
On made 1 edge of workpiece of shaping, the workpiece 1 of shaping will not ensure that follow-up the relative to the lower movement of mould 4 dislocation for the first time
The overall dimensions of the workpiece 1 of post forming and shape are accurate.
A kind of mould emptier with fixed workpiece function of the present invention is particularly well-suited to Multi-step injection molding shaping, injection-molded work
1 situation in thin-walled shape structure, the pressure tongue 8 of 7 front end of slide block are pressed on the workpiece 1 being molded and workpiece 1 are fixed on mould
In prevent workpiece 1 from misplacing with mould relative movement, think that follow-up operations for forming is prepared.
In a kind of mould emptier with fixed workpiece function of the present invention, as a kind of mode for having choosing, such as Fig. 2 institutes
Show, the chute 6 is set around around the die cavity 5, driving means can drive slide block 7 to move towards the die cavity 5 and move pressure tongue 8
Move to the top at 5 edge of die cavity；Pressure tongue 8 on each slide block 7 is used for after the dismounting of upper mould the workpiece that can compress injection mo(u)lding
1, the pressure tongue 8 of 7 front end of slide block is pressed in the edge of workpiece 1, the quantity of slide block 7 can according to 1 specific size and dimension of workpiece come
Reasonably select, such as, as shown in Fig. 2 a kind of mould emptier with fixed workpiece function in the present invention is double for manufacturing
During color headlamp lens product, four slide blocks 7 can be substantially evenly arranged around injection-molded work 1, by injection-molded work 1
The curved surface thin-walled 2 of first time shaping be pressed on mould, prepare second to prevent for the first time shaping rear mold upset
During injection molding, workpiece 1 is relative to mould movement dislocation.
In a kind of mould emptier with fixed workpiece function of the present invention, slide block 7 slides in chute 6, before slide block 7
The pressure tongue 8 at end is located at the top at 5 edge of mold cavity, and when injection-molded work 1, the injection liquid being injected in die cavity 5 can be to pressure
Tongue 8 produces injection pressure upwards, in order to anti-limited slip block 7 is moved up because of injection pressure, as a kind of preferred mode, please
In conjunction with Fig. 5 and Fig. 7, the both sides of the slide block 7 are provided with two card ribs 10 being parallel to each other, and the card rib 10 is parallel with chute 6；Card
Rib 10 is provided with pressing plate 11, and the pressing plate 11 is fixed on lower mould 4；The lower surface of the pressing plate 11 is pressed on card rib 10 and can be with
Card rib 10 is relative to slide.So slide block 7 is pushed down and can not be moved up by pressing plate 11, and the card rib 10 of 7 both sides of slide block is mutual
Parallel, the pressing plate 11 coordinated with card rib 10 is also parallel to each other, moreover it is possible to play guide effect to slide block 7.The slide block 7 is filled by driving
Put driving and slide along chute 6, used as a kind of preferred mode, as shown in Figure 3 and Figure 4, the driving means are hydraulic cylinder 12；
It is of course also possible to the driving means of straight reciprocating motion can be produced drives the motion of slide block 7 with others, driving means with
Can be connected by connecting rod 13 between slide block 7, for the ease of connecting rod 13 and the connection of slide block 7, be provided with the rear end of slide block 7
The draw-in groove 14 for extending up and down, the front end of connecting rod 13 are provided with dop 15, and the dop 15 is stuck in draw-in groove 14, when needs will connection
When bar 13 is connected with slide block 7, dop 15 is snapped in from the upper end of draw-in groove 14 and slide downward is adjusted to suitable position and driving
Device connects, such connected mode, and dismounting is easily.The shape of draw-in groove 14 can have multiple implementations, used as existing skill
A kind of conventional mode that is connected together in art, the shape of draw-in groove 14 can be T-shaped, and connector is also configured to be engaged with draw-in groove 14
T-shaped structure.
In a kind of mould emptier with fixed workpiece function of the present invention, slide block 7 can slide in chute 6 and make pressure
Tongue 8 is moved to the top at 5 edge of die cavity, for 1 size and shape of workpiece at pressure 8 surrounding of tongue of control slide block 7 exactly, slide block
7 are required to positioned along the direction of chute 6 exactly, as shown in Figure 6, it is preferable that the front end of the chute 6 is provided with confined planes
16, slide block 7 can offset towards 6 nose motion of chute and with the confined planes 16, offset with the confined planes 16 when slide block 7 is moved to
Position stop moving, confined planes 16 ensure that position that slide block 7 moved along 6 direction of chute accurately, so as to ensure to be molded
The size and dimension of workpiece 1 is accurate.
Illustrative explanation is carried out to a kind of operational method of mould emptier with fixed workpiece function of the present invention below,
When the injection molding operation of workpiece 1 is carried out, comprise the steps：
1) driving means drive the slide block 7 in lower mould 4 to be moved to setting position along chute 6 to die cavity 5 and be located at pressure tongue 8
The top at 5 edge of die cavity；
2) by upper mould cover close on lower mould 4, be fixed on mould bottom briquetting 9 be pressed in correspondingly each in lower mould 4
On individual slide block 7；
3) in the die cavity 5 of mould, injection injection liquid carries out first time operations for forming；
4), after treating the injection liquid coagulation forming in mould, upper mould is opened and second shaping of preparation that move moulds is made
Industry；
5) second operations for forming is completed, and driving means drive the slide block 7 in lower mould 4 to be moved to initial position along chute 6；
6) mold and take out workpiece 1.
It should be noted that a kind of above-mentioned job step mould emptier with fixed workpiece function simply to the present invention
Operational method a kind of illustration, the not job step to a kind of mould emptier with fixed workpiece function of the present invention
Rapid sole limitation, can determine job step according to specific actual conditions in injection molding operation.
Based on the technical scheme of above-described embodiment, a kind of mould emptier with fixed workpiece function of the present invention can
Ensure workpiece 1 fixed in a mold and not opposing mold movement dislocation, the overall dimensions and shape so as to ensure workpiece 1 are accurate.
The principle and its effect of above-described embodiment only illustrative present invention, of the invention not for limiting.Any ripe
The personage for knowing this technology all can carry out modifications and changes to above-described embodiment under the spirit and the scope without prejudice to the present invention.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (8)
1. a kind of with the mould emptier for fixing workpiece function, including upper die and lower die (4), the upper mould is on lower mould (4)
Side, lower mould (4) are provided with the die cavity (5) for injection-molded work (1)；It is characterized in that：
Multiple chutes (6) are additionally provided with lower mould (4), a slide block (7) is provided with each chute (6), and slide block (7) is by driving
Device drives and can slidably reciprocate along chute (6), and the front end of slide block (7) is provided with the pressure tongue (8) for projecting forward；
The upper mould is provided with multiple briquettings (9), and when the conjunction of upper mould is upper in lower mould (4), each briquetting (9) is pressed in correspondingly
On each slide block (7).
2. the mould emptier with fixed workpiece function as claimed in claim 1, is characterized in that：The both sides of slide block (7)
Two card ribs (10) being parallel to each other are provided with, card rib (10) are parallel with chute (6)；Card rib (10) is provided with pressing plate (11),
Pressing plate (11) are fixed on lower mould (4)；The lower surface of pressing plate (11) is pressed in card rib (10) above and can be with card rib (10)
Relative slip.
3. the mould emptier with fixed workpiece function as claimed in claim 1, is characterized in that：Described workpiece (1) is thin-walled
Shape structure, the pressure tongue (8) of slide block (7) front end are pressed on the edge of workpiece (1).
4. the mould emptier with fixed workpiece function as claimed in claim 1, is characterized in that：The driving means are hydraulic pressure
Cylinder (12).
5. the mould emptier with fixed workpiece function as claimed in claim 1, is characterized in that：Chute (6) are set around
Around described die cavity (5), driving means can drive slide block (7) to move towards the die cavity (5) and make pressure tongue (8) be moved to die cavity
(5) top at edge.
6. the mould emptier with fixed workpiece function as claimed in claim 1, is characterized in that：The driving means and slide block
(7) connected by connecting rod (13) between, the rear end of slide block (7) is provided with the draw-in groove (14) for extending up and down, before connecting rod (13)
End is provided with dop (15), and dop (15) are stuck in draw-in groove (14).
7. the mould emptier with fixed workpiece function as claimed in claim 6, is characterized in that：Draw-in groove (14) are T-shaped.
8. the mould emptier with fixed workpiece function as claimed in claim 1, is characterized in that：The front end of chute (6)
Confined planes (16) are provided with, slide block (7) can offset towards chute (6) nose motion and with the confined planes (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055417.3A CN106493920B (en) | 2016-11-25 | 2016-11-25 | A kind of demoulding mechanism with fixed workpiece function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055417.3A CN106493920B (en) | 2016-11-25 | 2016-11-25 | A kind of demoulding mechanism with fixed workpiece function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106493920A true CN106493920A (en) | 2017-03-15 |
| CN106493920B CN106493920B (en) | 2019-03-08 |
Family
ID=58328830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611055417.3A Active CN106493920B (en) | 2016-11-25 | 2016-11-25 | A kind of demoulding mechanism with fixed workpiece function |
Country Status (1)
| Country | Link |
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| EP0479139A2 (en) * | 1990-09-29 | 1992-04-08 | Nissei Asb Machine Co., Ltd. | Injection molding system for making preform with undercut |
| US20070054006A1 (en) * | 2005-08-23 | 2007-03-08 | Pierson Theodore J | Polymeric injection mold with retractable bars for producing re-entrant molded surfaces |
| CN201217261Y (en) * | 2008-04-29 | 2009-04-08 | 圣美精密工业(昆山)有限公司 | Post forming mould |
| CN201816189U (en) * | 2010-10-10 | 2011-05-04 | 宁波博超模具有限公司 | Secondary linkage forced core-pulling mechanism of injection mould |
| CN201848948U (en) * | 2009-12-31 | 2011-06-01 | 大连銮艺精密模塑制造有限公司 | Secondary ejecting plastic mould of pre-positioning insert of guide post mechanism |
| CN202037822U (en) * | 2011-03-21 | 2011-11-16 | 中山市恒滨塑胶模具有限公司 | Inner groove demoulding structure for plastic injection products |
| CN102689384A (en) * | 2011-03-23 | 2012-09-26 | 汉达精密电子(昆山)有限公司 | Exit mechanism |
| CN102717491A (en) * | 2012-07-03 | 2012-10-10 | 宁波金氏实业有限公司 | Secondary slide block core pulling mechanism |
| CN103722701A (en) * | 2013-12-27 | 2014-04-16 | 上海飞乐汽车控制***有限公司 | Demolding device and demolding method |
| CN203726722U (en) * | 2014-01-20 | 2014-07-23 | 骏越科技（深圳）有限公司 | Injection mould forming and withdrawing mechanism for inclined fastener |
| CN104526981A (en) * | 2014-12-12 | 2015-04-22 | 台州市黄岩炜大塑料机械有限公司 | Secondary die opening slide block internal pulling mechanism of junction box die |
| CN204471774U (en) * | 2015-02-01 | 2015-07-15 | 宁波兴利汽车模具有限公司 | Secondary core-pulling mechanism in slide block |
| CN105058705A (en) * | 2015-07-31 | 2015-11-18 | 锦丰科技（深圳）有限公司 | Inclined guide column structure with fixed walking position of bicolor mold and operation method thereof |
| CN206351534U (en) * | 2016-11-25 | 2017-07-25 | 武汉通畅汽车电子照明有限公司 | It is a kind of that there is the mould emptier for fixing workpiece function |
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2016
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Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0479139A2 (en) * | 1990-09-29 | 1992-04-08 | Nissei Asb Machine Co., Ltd. | Injection molding system for making preform with undercut |
| US20070054006A1 (en) * | 2005-08-23 | 2007-03-08 | Pierson Theodore J | Polymeric injection mold with retractable bars for producing re-entrant molded surfaces |
| CN201217261Y (en) * | 2008-04-29 | 2009-04-08 | 圣美精密工业(昆山)有限公司 | Post forming mould |
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| CN102689384A (en) * | 2011-03-23 | 2012-09-26 | 汉达精密电子(昆山)有限公司 | Exit mechanism |
| CN102717491A (en) * | 2012-07-03 | 2012-10-10 | 宁波金氏实业有限公司 | Secondary slide block core pulling mechanism |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106493920B (en) | 2019-03-08 |
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