CN201192895Y - Mold head of hollow molding machine - Google Patents
Mold head of hollow molding machine Download PDFInfo
- Publication number
- CN201192895Y CN201192895Y CNU2008200322772U CN200820032277U CN201192895Y CN 201192895 Y CN201192895 Y CN 201192895Y CN U2008200322772 U CNU2008200322772 U CN U2008200322772U CN 200820032277 U CN200820032277 U CN 200820032277U CN 201192895 Y CN201192895 Y CN 201192895Y
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- Prior art keywords
- runner
- ring
- plug
- core rod
- internal layer
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- Expired - Lifetime
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a mold head of a hollow molding machine. The mold head includes a mold sleeve, and a mold core arranged in the mold sleeve and consisting of an inner core rod, an intermediate core rod and an outer core rod sheathed with each other, wherein an inner channel, a combining channel and a converging channel communicated with each other are respectively arranged between the inner core rod and the intermediate core rod and between the outer core rod and the mold sleeve; an intermediate channel communicated with the combining channel is arranged between the intermediate core rod and the outer core rod; an outer channel communicated with the combining channel is arranged between the outer core rod and the mold sleeve; a discharge channel communicated with the converging channel is arranged between a discharge mold core and the mold sleeve; a compression convex ring is arranged on the inner wall of the mold sleeve; and an inner material inlet, an intermediate material inlet and an outer material inlet respectively communicated with the inner channel, the intermediate channel and the outer channel are arranged on the mold sleeve. The mold head can prevent the material from forming a convergence line at the meeting point of the core rods, and has the advantages of improved product yield and reduced manufacture cost.
Description
Technical field
The utility model relates to plastic molding machinery, refers more particularly to the die head of blow moulding machine.
Background technology
The die head of tradition blow moulding machine, its structure comprises: die sleeve and the core rod that is arranged in the die sleeve, this core rod is a plug, is provided with the flow path groove of center pan feeding formula structure or side pan feeding structure on the plug usually, thereby forms runner between plug and die sleeve.The blow moulding machine that is provided with this die head can only be produced the plastic products of individual layer; In actual production process, raw material is along above-mentioned flow passage, and joins at the plotted point of runner, so just can occur understanding zygonema on the product after the extrusion modling.As everyone knows, such product is very easy to seepage at meeting zygonema place, form substandard product, thereby has influenced the qualification rate of product, has increased manufacturing cost.
The utility model content
First technical problem to be solved in the utility model is: a kind of die head of producing the blow moulding machine of three-layer composite structure plastic products is provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the die head of blow moulding machine, comprise: die sleeve, the end of die sleeve is provided with the discharging die sleeve, be provided with core rod and adjusting lever in the die sleeve, core rod is set on the adjusting lever, one end of adjusting lever is provided with the discharging core rod, be provided with the airway of perforation in adjusting lever and the discharging core rod, be provided with the discharging runner between discharging core rod and the discharging die sleeve, described core rod is by the internal layer plug that is sleeved on together, middle level plug and outer plug constitute, be provided with the internal layer runner between internal layer plug and the middle level plug, be provided with the merging runner between internal layer plug and the outer plug, be respectively arranged with between internal layer plug and the die sleeve and be communicated with the runner that converges that merges runner and discharging runner, be provided with between middle level plug and the outer plug and merge the middle level runner that runner communicates, be provided with between outer plug and the die sleeve and converge the outer runner that runner communicates; Internal layer runner, middle level runner and outer runner are provided with independently feeding mouth.
The inwall of above-mentioned die sleeve is provided with ring-type compression boss, and ring-type compression boss is positioned at and converges runner.
Second technical problem to be solved in the utility model is: provide a kind of layer that is used for making the three-decker plastic products with layer between combine the die head of blow moulding machine more closely.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the inwall along described core rod is provided with heater.
The 3rd technical problem to be solved in the utility model is: a kind of die head that makes the blow moulding machine that finished product can zygonema is provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: on the above-mentioned internal layer plug along axially being disposed with horizontal semicircle feed well, two pairs of oblique splitter boxs, ring-type dashpot, spiral splitter box and ring-type direct current grooves, the middle part of described feed well communicates with corresponding feeding mouth, the two ends of feed well are connected with a pair of oblique splitter box respectively, in two pairs of oblique splitter boxs, corresponding two oblique splitter boxs intersect, form " X " shape structure mutually; The ring-type dashpot is communicated with two pairs of oblique splitter boxs with the spiral splitter box, the spiral splitter box is connected with the ring-type direct current groove, and the ring-type direct current groove communicates with the merging runner.
Also be provided with the second spiral splitter box and the second ring-type direct current groove on the above-mentioned internal layer plug, the second spiral splitter box is connected with the ring-type direct current groove, and the second ring-type direct current groove communicates with the merging runner.
The 4th technical problem to be solved in the utility model is: a kind of die head of adjusting the blow moulding machine of the concentricity between discharging mode core and the die sleeve is provided.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: described die sleeve comprises: the die sleeve body, the die sleeve body is provided with installation sleeve, installation sleeve is provided with fixed cover, and described discharging die sleeve is fastened in the fixed cover and the discharging die sleeve is in the same place by regulating locked with bolts with fixed cover.
The beneficial effects of the utility model are: the blow moulding machine that this die head is housed can be produced the plastic products of three-decker, so just can in these three layers, adopt different raw materials as required, reduce the manufacturing cost of product, and owing to the inwall along the internal layer plug is provided with heater, can be so that three layers combination be tightr; In addition, mandrel structure described in the utility model can be avoided the meeting point formation meeting zygonema of raw material on plug, and can be by adjusting the concentricity between discharging core rod and the discharging die sleeve, make that the wall thickness of finished product is more even, so just improve product qualified rate greatly, reduced manufacturing cost.
Description of drawings
Fig. 1 is a sectional structure schematic diagram of the present utility model;
Fig. 2 is the partial structurtes schematic diagram of the right apparent direction of internal layer plug among Fig. 1;
Fig. 3 is the partial structurtes schematic diagram of the main apparent direction of internal layer plug among Fig. 1;
Fig. 4 is an A-A cross-sectional view among Fig. 2;
Among Fig. 1 to Fig. 4: 1, the die sleeve body, 2, the internal layer plug, 3, the middle level plug, 4, outer plug, 5, adjusting lever, 6, the discharging core rod, 7, regulate bolt, 8, installation sleeve, 9, fixed cover, 10, the discharging die sleeve, 11, the internal layer runner, 12, the middle level runner, 13, outer runner, 14, merge runner, 15, converge runner, 16, the internal layer feeding mouth, 17, the middle level feeding mouth, 18, outer feeding mouth, 19, compression ring, 20, heater, 21, airway, 22, the discharging runner, 23, the compression boss, 24, feed well, 25, oblique splitter box, 26, the ring-type dashpot, 27, the spiral splitter box, 28, the ring-type direct current groove, 29, the second spiral splitter box, 30, the second ring-type direct current groove.
The specific embodiment
Below in conjunction with accompanying drawing, describe specific embodiments of the present utility model in detail.
As shown in Figure 1, the die head of blow moulding machine described in the utility model, comprise: die sleeve, in the present embodiment, described die sleeve comprises: die sleeve body 1, the end of die sleeve body 1 is provided with installation sleeve 8, and installation sleeve 8 is provided with fixed cover 9, is arranged with discharging die sleeve 10 and fixed cover 9 and discharging die sleeve 10 in the fixed cover 9 and locks together by regulating bolt 7; Be provided with in the die sleeve body 1 by the internal layer plug 2 that is sleeved on together, core rod and adjusting lever 5 that middle level plug 3 and outer plug 4 constitute, internal layer plug 2 is set on the adjusting lever 5, one end of adjusting lever 5 is provided with discharging core rod 6, be provided with the airway 21 of perforation in adjusting lever 5 and the discharging core rod 6, be provided with discharging runner 22 between discharging core rod 6 and the discharging die sleeve 10, be provided with internal layer runner 11 between internal layer plug 2 and the middle level plug 3, be provided with between internal layer plug 2 and the outer plug 4 and merge runner 14, be provided with between internal layer plug 2 and the die sleeve body 1 be communicated with merge runner 14 and discharging runner 22 converge runner 15, be provided with between middle level plug 3 and the outer plug 4 and merge the middle level runner 12 that runner 14 communicates, be provided with between outer plug 4 and the die sleeve body 1 and converge the outer runner 13 that runner 15 communicates; Internal layer runner 11, middle level runner 12 and outer runner 13 are provided with independently feeding mouth, i.e. internal layer feeding mouth 16, middle level feeding mouth 17 and outer feeding mouth 18; In the present embodiment, internal layer feeding mouth 16 is opened on the middle level plug 3, and middle level feeding mouth 17 is opened on the outer plug 4, and outer feeding mouth 18 is opened on the die sleeve body 1; The inboard of described installation sleeve 8 is embedded with compression ring 19, compression ring 19 is provided with the compression boss 23 of ring-type, thereby force the compression bayonet socket converging on the runner 15 to form, make that converging runner 15 narrows down at compression boss 23 places, can be to compressing through the raw material that converges runner 15; In the present embodiment, internal layer runner 11, middle level runner 12 has identical structure with outer runner 13, here only the structure in inner laminar flow road 11 is described, as shown in Figures 2 and 3, along the horizontal semicircle feed well 24 that axially is successively set on the internal layer plug 2---referring to shown in Figure 4, two pairs of oblique splitter boxs 25, ring-type dashpot 26, spiral splitter box 27, ring-type direct current groove 28, the second spiral splitter box 29 and the second ring-type direct current groove 30 form internal layer runner 11 with the inwall of middle level plug 3, the middle part of described feed well 24 communicates with internal layer feeding mouth 16, the two ends of feed well 24 are connected with a pair of oblique splitter box 25 respectively, in two pairs of oblique splitter boxs 25, corresponding two oblique splitter boxs 25 intersect mutually, form " X " shape structure; Ring-type dashpot 26 is communicated with two pairs of oblique splitter boxs 25 with spiral splitter box 27, spiral splitter box 27 is connected with ring-type direct current groove 28, ring-type direct current groove 28 communicates with the second spiral splitter box 29, the second spiral splitter box 29 and the second ring-type direct current groove, 30, the second ring-type direct current grooves 30 communicate with merging runner 14; Inwall along above-mentioned internal layer plug 2 is provided with heater 20.
During use, can be with three kinds of different materials respectively from internal layer feeding mouth 16, middle level feeding mouth 17 and outer feeding mouth 18 are sent into corresponding internal layer runner 11, in middle level runner 12 and the outer runner 13, because the structure in three laminar flow roads is identical, here only be described in detail in internal layer runner 11 processes with raw material, raw material enters into horizontal feed well 24 from feeding mouth 16, and flow to the two ends of feed well 24 to the both sides of feed well 24---referring to Fig. 3, shown in Figure 4, afterwards along oblique splitter box 25 cross flow one---referring to (can on product, not stay the meeting zygonema like this) shown in Figure 2, then successively via ring-type dashpot 26, spiral splitter box 27, ring-type direct current groove 28, the second spiral splitter box 29 and the second ring-like direct current groove 30, and converge to flow to raw material that laminar flow road therefrom 12 flows out and merge in the runner 14, this two-layer raw material continues to flow forward along merging runner 14, and converge the back flow direction with the raw material that flows out from outer runner 13 and converge runner 15, from discharging runner 22, flow out at last.In process of production, can use 20 pairs of internal layer plugs 2 of heater to heat, make that the temperature in internal layer runner 11, middle level runner 12 and the outer runner 13 is basic identical, make that the combination of three layers of raw material of the finished product after the extrusion modling is tightr.
In sum, the blow moulding machine that this die head is housed can be produced the plastic products of three-decker, so just can in these three layers, adopt different raw materials as required, reduce the manufacturing cost of product, and owing to the inwall along internal layer plug 2 is provided with heater 20, can be so that three layers combination be tightr; In addition, mandrel structure described in the utility model can also be avoided the meeting point formation meeting zygonema of raw material on plug, and can be by adjusting the concentricity between discharging core rod 6 and the discharging die sleeve 10, make that the wall thickness of finished product is more even, so just improve product qualified rate greatly, reduced manufacturing cost.
Claims (8)
1. the die head of blow moulding machine, comprise: die sleeve, the end of die sleeve is provided with the discharging die sleeve, be provided with core rod and adjusting lever in the die sleeve, core rod is set on the adjusting lever, one end of adjusting lever is provided with the discharging core rod, be provided with the airway of perforation in adjusting lever and the discharging core rod, be provided with the discharging runner between discharging core rod and the discharging die sleeve, it is characterized in that: described core rod is by the internal layer plug that is sleeved on together, middle level plug and outer plug constitute, be provided with the internal layer runner between internal layer plug and the middle level plug, be provided with the merging runner between internal layer plug and the outer plug, be respectively arranged with between internal layer plug and the die sleeve and be communicated with the runner that converges that merges runner and discharging runner, be provided with between middle level plug and the outer plug and merge the middle level runner that runner communicates, be provided with between outer plug and the die sleeve and converge the outer runner that runner communicates; Internal layer runner, middle level runner and outer runner are provided with independently feeding mouth.
2. the die head of blow moulding machine as claimed in claim 1 is characterized in that: the inwall of described die sleeve is provided with ring-type compression boss, and ring-type compression boss is positioned at and converges runner.
3. the die head of blow moulding machine as claimed in claim 1 or 2, it is characterized in that: the inwall along described core rod is provided with heater.
4. the die head of blow moulding machine as claimed in claim 1 or 2, it is characterized in that: on the described internal layer plug along axially being disposed with horizontal semicircle feed well, two pairs of oblique splitter boxs, ring-type dashpot, spiral splitter box and ring-type direct current grooves, the middle part of described feed well communicates with corresponding feeding mouth, the two ends of feed well are connected with a pair of oblique splitter box respectively, in two pairs of oblique splitter boxs, corresponding two oblique splitter boxs intersect, form " X " shape structure mutually; The ring-type dashpot is communicated with two pairs of oblique splitter boxs with the spiral splitter box, the spiral splitter box is connected with the ring-type direct current groove, and the ring-type direct current groove communicates with the merging runner.
5. the die head of blow moulding machine as claimed in claim 3, it is characterized in that: on the described internal layer plug along axially being disposed with horizontal semicircle feed well, two pairs of oblique splitter boxs, ring-type dashpot, spiral splitter box and ring-type direct current grooves, the middle part of described feed well communicates with corresponding feeding mouth, the two ends of feed well are connected with a pair of oblique splitter box respectively, in two pairs of oblique splitter boxs, corresponding two oblique splitter boxs intersect, form " X " shape structure mutually; The ring-type dashpot is communicated with two pairs of oblique splitter boxs with the spiral splitter box, the spiral splitter box is connected with the ring-type direct current groove, and the ring-type direct current groove communicates with the merging runner.
6. the die head of blow moulding machine as claimed in claim 4, it is characterized in that: also be provided with the second spiral splitter box and the second ring-type direct current groove on the described internal layer plug, the second spiral splitter box is connected with the ring-type direct current groove, and the second ring-type direct current groove communicates with the merging runner.
7. the die head of blow moulding machine as claimed in claim 5, it is characterized in that: also be provided with the second spiral splitter box and the second ring-type direct current groove on the described internal layer plug, the second spiral splitter box is connected with the ring-type direct current groove, and the second ring-type direct current groove communicates with the merging runner.
8. the die head of blow moulding machine as claimed in claim 1 or 2, it is characterized in that: described die sleeve comprises: the die sleeve body, the die sleeve body is provided with installation sleeve, installation sleeve is provided with fixed cover, and described discharging die sleeve is fastened in the fixed cover and the discharging die sleeve is in the same place by regulating locked with bolts with fixed cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200322772U CN201192895Y (en) | 2008-02-19 | 2008-02-19 | Mold head of hollow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200322772U CN201192895Y (en) | 2008-02-19 | 2008-02-19 | Mold head of hollow molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201192895Y true CN201192895Y (en) | 2009-02-11 |
Family
ID=40392440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200322772U Expired - Lifetime CN201192895Y (en) | 2008-02-19 | 2008-02-19 | Mold head of hollow molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201192895Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101229680B (en) * | 2008-02-19 | 2010-06-23 | 张家港市同创机械有限公司 | Die head of canulate forming machine |
| CN103434117A (en) * | 2013-08-27 | 2013-12-11 | 苏州同大机械有限公司 | Material storage core in die head of plastic hollow forming machine |
| CN103587094A (en) * | 2012-08-17 | 2014-02-19 | 张家港市龙华机械有限公司 | Two-cavity double-color strip die head |
-
2008
- 2008-02-19 CN CNU2008200322772U patent/CN201192895Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101229680B (en) * | 2008-02-19 | 2010-06-23 | 张家港市同创机械有限公司 | Die head of canulate forming machine |
| CN103587094A (en) * | 2012-08-17 | 2014-02-19 | 张家港市龙华机械有限公司 | Two-cavity double-color strip die head |
| CN103434117A (en) * | 2013-08-27 | 2013-12-11 | 苏州同大机械有限公司 | Material storage core in die head of plastic hollow forming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090211 Effective date of abandoning: 20080219 |