CN204036820U - A kind of novel mould head of blow-moulding machine - Google Patents
A kind of novel mould head of blow-moulding machine Download PDFInfo
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- CN204036820U CN204036820U CN201420445066.7U CN201420445066U CN204036820U CN 204036820 U CN204036820 U CN 204036820U CN 201420445066 U CN201420445066 U CN 201420445066U CN 204036820 U CN204036820 U CN 204036820U
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- moulding machine
- storage tube
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Abstract
The utility model discloses a kind of novel mould head of blow-moulding machine, comprise material storage tube, described material storage tube has the cavity of a bottom end opening, a storing core is provided with in the axial direction in the cavity of described material storage tube, the top of described storing core is fixed on material storage tube, the middle part of described storing core offers sliding space in the axial direction, slide in this sliding space and be provided with adjusting lever, top and the servo-cylinder of described adjusting lever are fixed, bottom and the core rod of described adjusting lever are fixed, the bottom of described material storage tube is fixed with lower flange, the bottom of described lower flange is provided with die sleeve, described die sleeve is fixed on lower flange by mold pressing ring, described core rod is set to cone, discharging opening is formed between itself and die sleeve.Mould head of blow-moulding machine of the present utility model, structure is simple, is easy to assembling and maintenance.
Description
Technical field
The utility model belongs to hollow blow molding field, particularly relates to a kind of novel mould head of blow-moulding machine.
Background technology
Blowing (blow moulding) also claim hollow blow molding, and one develops plastic working method rapidly.Thermoplastic resin is through the tubular plastic parison extruded or injection moulding obtains, while hot (or being heated to soft state), be placed in split cavity, in parison, compressed air is passed into immediately after mold closing, make plastic parison inflation and be close on mould inner wall, through cooling and demolding, namely obtain various hollow product.
Extrusion blow molding machine is the assembly of extruder and blow moulding machine and clamping, is made up of extruder and parison die, huffing device, clamping, parison thickness control system and transmission mechanism.Parison die is one of vitals determining blow-molded article quality, usually has side feed type die head and central feed type die head.Many employings storage material cylinder formula parison die during massive article blowing.Storage material cylinder volume is minimum is 1kg, maximumly reaches 240kg.Parison thickness control device is for controlling system of parison wall thickness, and control point the most nearly 128 points, are generally 20 ~ 30 points.Extrusion blow molding machine can produce the hollw article that volume scope is 2.5ml ~ 104l.
There are the following problems usually for traditional extrusion blow molding machine: the container that 1, can only make single layer structure; 2, made container in uneven thickness; 3, transparent thread cannot be made or make transparent thread complex process.
Utility model content
The purpose of this utility model is to provide a kind of novel mould head of blow-moulding machine, to overcome deficiency of the prior art.
For achieving the above object, the utility model provides following technical scheme:
The utility model embodiment discloses a kind of novel mould head of blow-moulding machine, comprise material storage tube, described material storage tube has the cavity of a bottom end opening, a storing core is provided with in the axial direction in the cavity of described material storage tube, the top of described storing core is fixed on material storage tube, the middle part of described storing core offers sliding space in the axial direction, slide in this sliding space and be provided with adjusting lever, top and the servo-cylinder of described adjusting lever are fixed, bottom and the core rod of described adjusting lever are fixed, the bottom of described material storage tube is fixed with lower flange, the bottom of described lower flange is provided with die sleeve, described die sleeve is fixed on lower flange by mold pressing ring, described core rod is set to cone, discharging opening is formed between itself and die sleeve.
Preferably, in above-mentioned novel mould head of blow-moulding machine, the bottom of described storing core is formed with the guiding cavity vertically extended, and described core rod is fixed on the end of adjusting lever by core rod fairlead, and described core rod fairlead slides in guiding cavity.
Preferably, in above-mentioned novel mould head of blow-moulding machine, described storing core comprises the first cylinder of different-diameter, the second cylinder and the 3rd cylinder, described second cylinder is connected between the first cylinder and the 3rd cylinder, the diameter of described first cylinder is greater than the diameter of the second cylinder and is less than the diameter of the 3rd cylinder, the outside of described storing core is arranged with adapter ring, be formed with first flow space between described storing core and adapter ring, the gap thickness between described first cylinder and adapter ring is less than the thickness between the second cylinder and adapter ring.
Preferably, in above-mentioned novel mould head of blow-moulding machine, described second cylinder guides domatic connection with between the first cylinder by first, domatic connection is guided by second between described second cylinder with the 3rd cylinder, the end of described adapter ring be formed to guide with second domatic parallel 3rd domatic, described 3rd domatic and second guide domatic between be surrounded by trumpet-shaped first and guide runner.
Preferably, in above-mentioned novel mould head of blow-moulding machine, the width of described first guiding runner equals the spacing between the second cylinder and adapter ring.
Preferably, in above-mentioned novel mould head of blow-moulding machine, the recessed formation runner of described storing wicking surface, described runner comprises the first flow along the winding of storing wire mandrel, symmetrical the second runner to downward-extension and the 3rd runner from the two ends of first flow, described second runner is divided into Liang Ge branch downwards: the 4th runner and the 5th runner, described 3rd runner is divided into Liang Ge branch downwards: the 6th runner and the 7th runner, described 4th runner is communicated with the end of the 6th runner, and described 5th runner is communicated with the end of the 7th runner.
Preferably, in above-mentioned novel mould head of blow-moulding machine, the guiding that the sidewall of described runner is set to tilt is domatic.
Preferably, in above-mentioned novel mould head of blow-moulding machine, described first flow is along the 180 ° of windings of described storing wire mandrel.
Compared with prior art, the utility model has the advantage of:
(1), in storing core of the present utility model, gap thickness between first cylinder and adapter ring is less than the thickness between the second cylinder and adapter ring, after plastic liquid enters from the first feeding mouth, flow in the space clamped by the first cylinder and adapter ring with certain speed, when entering in the space clamped by the second cylinder and adapter ring, because gap increases, plastic liquid reduce speed now and uniform filling in first flow space, therefore can ensure that the plastic liquid entered in storing space is uniformly continous.
(2), storing wicking surface is formed with runner, and this runner, by one-to-two, then two point four, can make fluid ring around the first cylinder evenly toward current downflow, avoid the phenomenon of subregion skewness.
(3), of the present utility model skin cover in, the gap thickness between cylinder one and material storage tube inwall is less than the gap thickness between cylinder two and material storage tube inwall.After plastic liquid enters from the second feeding mouth, cylinder one is flowed in in the space clamped by material storage tube with certain speed, when entering in the space clamped by cylinder two and material storage tube, because gap increases, plastic liquid reduce speed now and uniform filling in the second flow channel space, therefore can ensure that the plastic liquid entered in storing space is uniformly continous.
(4), the surperficial recessed formation runner of outer cover, this runner, by one-to-two, then two point four, can make fluid ring around cylinder one evenly toward current downflow, avoid the phenomenon of subregion skewness.
(5), the utility model can be stopped the fluid in discharging runner in certain position by transparent ring, and inject transparent fluid in the below stopped, therefore be formed with the transparent thread of bar shaped in obtained plastic products, this transparent thread can understand the liquid level of liquid in container as watch window.
(6), on transparent ring the position of stop part can be adjusted by swing, therefore can control the position of transparent thread.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the sectional view of mould head of blow-moulding machine in the utility model specific embodiment;
The front view of storing core in the utility model specific embodiment, right view and left view is respectively shown in Fig. 2 a, Fig. 2 b and Fig. 2 c;
Figure 3 shows that the enlarged drawing of A in Fig. 1;
The front view of the utility model specific embodiment ectomesoderm cover, right view and left view is respectively shown in Fig. 4 a, Fig. 4 b and Fig. 4 c;
Figure 5 shows that the perspective view of transparent ring in the utility model specific embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Shown in ginseng Fig. 1, mould head of blow-moulding machine comprises material storage tube 1, and material storage tube 1 has the cavity of a bottom end opening.
Be provided with a storing core 2 in the cavity of material storage tube 1 in the axial direction, the top of storing core 2 is fixed on material storage tube 1.Be surrounded by the start space of annular and the storing space 11 of annular between the inwall of storing core 2 and material storage tube 1, the storing space 11 of annular is positioned at the below in start space and is connected with start space.The middle part of storing core 2 offers sliding space in the axial direction, and sliding in sliding space is provided with adjusting lever 3.
Top and the servo-cylinder 4 of adjusting lever 3 are fixed, and bottom and the core rod 5 of adjusting lever 3 are fixed, and servo-cylinder 4 can drive adjusting lever 3 to move up and down, and core rod 5 can control the thickness of discharging in process moving up and down, thus can control the thickness of plastic products.
The outside of storing core 2 is arranged with adapter ring 6 successively, shoot material piston 7 and outer cover 8, and adapter ring 6, shoot material piston 7 and outer cover 8 are positioned at start space.
Top and the material storage tube 1 of adapter ring 6 are fixed, and surround into first flow space 9, material storage tube 1 is provided with the first feeding mouth being communicated in upper end, first flow space 9 between adapter ring 6 with storing core 2.The bottom in first flow space 9 is communicated with storing space 11.
Shown in ginseng Fig. 2 a to Fig. 2 c, storing core 2 comprises the first cylinder 21, second cylinder 22 and the 3rd cylinder 23 of different-diameter, second cylinder 22 is connected between the first cylinder 21 and the 3rd cylinder 23, and the diameter of the first cylinder 21 is greater than the diameter of the second cylinder 22 and is less than the diameter of the 3rd cylinder 23.First flow space surrounds by between the first cylinder 21, second cylinder 22 and adapter ring 6, and storing space 11 surrounds by between the 3rd cylinder 23 and the inwall of material storage tube 1.
Shown in ginseng Fig. 3, gap thickness a between first cylinder 21 and adapter ring 6 is less than the thickness b between the second cylinder 22 and adapter ring 6, after plastic liquid enters from the first feeding mouth, the first cylinder 21 is flowed in in the space clamped by adapter ring 6 with certain speed, when entering in the space clamped by the second cylinder 22 and adapter ring 6, because gap increases, plastic liquid reduce speed now and uniform filling in first flow space, therefore can ensure that the plastic liquid entered in storing space 11 is uniformly continous.
Guide domatic 221 by first between second cylinder 22 with the first cylinder 21 to be connected, guide domatic 222 by second between second cylinder 22 with the 3rd cylinder 23 to be connected, the end of adapter ring 6 is formed to guide domatic 222 the parallel 3rd domatic 61 with second, 3rd domatic 61 and second guide domatic 222 between be surrounded by trumpet-shaped first and guide runner, this first guiding runner is communicated in storing space 11.The width of the first guiding runner equals the spacing between the second cylinder 22 and adapter ring 6.
The recessed formation runner 211 in surface of the first cylinder 21, runner 211 is communicated with the first feeding mouth.Runner 211 comprises the first flow 2111 along axis 180 ° of windings, symmetrical the second runner 2112 to downward-extension and the 3rd runner 2113 from the two ends of first flow 2111, second runner 2112 is divided into Liang Ge branch downwards: the 4th runner 2114 and the 5th runner 2115,3rd runner 2113 is divided into Liang Ge branch downwards: the 6th runner 2116 and the 7th runner 2117,4th runner 2114 is communicated with the end of the 6th runner 2116, and the 5th runner 2115 is communicated with the end of the 7th runner 2117.The sidewall of runner is set to the guiding domatic 2118 of tilting.By by runner one-to-two, then two point four, fluid ring can be made around the first cylinder 21 evenly toward current downflow, avoid the phenomenon of subregion skewness.
Top and the material storage tube 1 of outer cover 8 are fixed, and be surrounded by the second flow channel space 10, material storage tube 1 be provided with the second feeding mouth being communicated in the second flow channel space 10 upper end between outer cover 8 and material storage tube inwall.The bottom of the second flow channel space 10 is communicated with storing space 11.
Shown in ginseng Fig. 4 a to Fig. 4 c, outer cover 8 comprises cylinder 1 and the cylinder 2 82 of different-diameter, and cylinder 2 82 is formed at the below of cylinder 1 and coaxially arranges with it, and the diameter of cylinder 1 is greater than the diameter of cylinder 2 82.
Shown in composition graphs 3, the gap thickness c between cylinder 1 and material storage tube 1 inwall is less than the gap thickness between cylinder 2 82 and material storage tube 1 inwall.After plastic liquid enters from the second feeding mouth, cylinder 1 is flowed in in the space clamped by material storage tube 1 with certain speed, when entering in the space clamped by cylinder 2 82 and material storage tube 1, because gap increases, plastic liquid reduce speed now and uniform filling in the second flow channel space, therefore can ensure that the plastic liquid entered in storing space 11 is uniformly continous.
Be connected by guiding domatic 821 between cylinder 1 with cylinder 2 82, the end of cylinder 2 82 is also formed with guiding domatic 822, material storage tube 1 is formed with domatic 12 of parallel guidance domatic 822 on the inwall in storing space 11, guide and be surrounded by inverted trumpet-shaped second between domatic 822 and domatic 12 and guide runner, this second guiding runner is communicated in storing space 11.The width of the second guiding runner preferably equals the spacing between cylinder 2 82 and material storage tube 1 inwall.First guiding runner and the second guiding runner are symmetrically distributed in the inner side and outer side of the piston 7 that shoots material.
The recessed formation runner 811 in surface of cylinder 1, runner 811 is communicated with the second feeding mouth.Runner 811 comprises the runner 1 along axis 180 ° of windings, the symmetrical runner 2 8112 to downward-extension and runner 3 8113 from the two ends of runner 1, runner 2 8112 is divided into Liang Ge branch downwards: runner 4 8114 and runner 5 8115, runner 3 8113 is divided into Liang Ge branch downwards: runner 6 8116 and runner 7 8117, runner 4 8114 is communicated with the end of runner 6 8116, and runner 5 8115 is communicated with the end of runner 7 8117.The sidewall of runner is set to the guiding domatic 8118 of tilting.By by runner one-to-two, then two point four, fluid ring can be made around cylinder 1 evenly toward current downflow, avoid the phenomenon of subregion skewness.
The plastic liquid of different colours can be injected from the first feeding mouth and the second feeding mouth, also can be the fluid of unlike material, two kinds of different fluids enter first flow space 9 and the second flow channel space 10 respectively, then converge at the end of first flow space 9 and the second flow channel space 10, the fluid after converging is twolayer fluid and in storing space 11, carry out storage stand-by.
Surround the sliding space of a ring-type between outer cover 8 and adapter ring 6, the piston 7 that shoots material cooperation slides in this sliding space.
The end of piston 7 of shooting material is set to centrum, and plastic liquid guiding can enter in storing space 11 by the inclined surface of this centrum.
The shoot material top of piston 7 is connected with the oil cylinder 20 that shoots material, and the piston 7 that shoots material can enter in storing space 11 under the promotion of the oil cylinder 20 that shoots material, and the fluid promoted in storing space 11 is extruded from discharging opening.The thickness of piston 7 of shooting material equals the thickness in storing space 11.
The bottom of material storage tube 1 is fixed with lower flange 30, and the bottom of lower flange 30 is provided with die sleeve 40, and die sleeve 40 is fixed on lower flange 30 by mold pressing ring 50.
The bottom of storing core 2 is formed with the guiding cavity vertically extended, core rod 5 is fixed on the end of adjusting lever 3 by core rod fairlead 60, core rod fairlead 60 slides in guiding cavity, by the cooperation of lead cavity and core rod fairlead 60, can control the moving direction of core rod 5.
Core rod 5 is set to cone, is formed with discharging opening between itself and die sleeve 40, moves up and down in process at core rod 5, can change the spacing between itself and die sleeve 40 by conical surface, thus can regulate the width of discharging opening, and then controls the thickness of plastic products.
Discharging runner 70 is communicated with between storing space 11 and discharging opening.Transparent ring 80 is provided with between die sleeve 40 and lower flange 30.This transparent ring 80 can stop the fluid in discharging runner 70 in certain position, and inject transparent fluid in the below stopped, therefore be formed with the transparent thread of bar shaped in obtained plastic products, this transparent thread can understand the liquid level of liquid in container as watch window.
Shown in ginseng Fig. 5, transparent ring 80 comprises the main part 81 of annular, and main part 81 is connected between lower flange 30 and die sleeve 40 by a junction 82.Main part 81 has inwardly protruded out stop part 83, and stop part 83 is positioned at discharging runner 70, and the top of stop part 83 is set to pointed, the plastic liquid on its top can be shunted.Main part 81 is provided with runner 84, lower flange 30 offers the transparent plastic feeding mouth 90 being communicated in runner 84 one end, the bottom of stop part 83 is provided with transparent plastic discharging opening 85, and this transparent plastic discharging opening 85 is communicated in the other end of runner 84.By the setting of stop part 83, while plastic liquid is stopped, stop that transparent plastic is injected in the neutral gear region of below at it simultaneously, on the plastic containers formed, therefore form the transparent thread of bar shaped.
In order to adjust the position of transparent thread, transparent ring 80 can swing around connecting portion 82, in the process that transparent ring 80 swings, can adjust the position of stop part 83 in discharging runner 70, by the difference of blocking position, can control the position of transparent thread.
Be easy to it is contemplated that when the first feeding mouth and the second feeding mouth inject the raw material of same material, made container is mono-material finished product.In addition, in order to make the container of single layer structure, only can also arrange a flow channel space, this flow channel space can be positioned at the outside of the piston that shoots material, and also can be positioned at the inner side of the piston that shoots material.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only detailed description of the invention of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a novel mould head of blow-moulding machine, it is characterized in that, comprise material storage tube, described material storage tube has the cavity of a bottom end opening, a storing core is provided with in the axial direction in the cavity of described material storage tube, the top of described storing core is fixed on material storage tube, the middle part of described storing core offers sliding space in the axial direction, slide in this sliding space and be provided with adjusting lever, top and the servo-cylinder of described adjusting lever are fixed, bottom and the core rod of described adjusting lever are fixed, the bottom of described material storage tube is fixed with lower flange, the bottom of described lower flange is provided with die sleeve, described die sleeve is fixed on lower flange by mold pressing ring, described core rod is set to cone, discharging opening is formed between itself and die sleeve.
2. novel mould head of blow-moulding machine according to claim 1, it is characterized in that: the bottom of described storing core is formed with the guiding cavity vertically extended, described core rod is fixed on the end of adjusting lever by core rod fairlead, and described core rod fairlead slides in guiding cavity.
3. novel mould head of blow-moulding machine according to claim 1, it is characterized in that: described storing core comprises the first cylinder of different-diameter, the second cylinder and the 3rd cylinder, described second cylinder is connected between the first cylinder and the 3rd cylinder, the diameter of described first cylinder is greater than the diameter of the second cylinder and is less than the diameter of the 3rd cylinder, the outside of described storing core is arranged with adapter ring, be formed with first flow space between described storing core and adapter ring, the gap thickness between described first cylinder and adapter ring is less than the thickness between the second cylinder and adapter ring.
4. novel mould head of blow-moulding machine according to claim 3, it is characterized in that: described second cylinder guides domatic connection with between the first cylinder by first, domatic connection is guided by second between described second cylinder with the 3rd cylinder, the end of described adapter ring be formed to guide with second domatic parallel 3rd domatic, described 3rd domatic and second guide domatic between be surrounded by trumpet-shaped first and guide runner.
5. novel mould head of blow-moulding machine according to claim 4, is characterized in that: the width of described first guiding runner equals the spacing between the second cylinder and adapter ring.
6. novel mould head of blow-moulding machine according to claim 1, it is characterized in that: the recessed formation runner of described storing wicking surface, described runner comprises the first flow along the winding of storing wire mandrel, symmetrical the second runner to downward-extension and the 3rd runner from the two ends of first flow, described second runner is divided into Liang Ge branch downwards: the 4th runner and the 5th runner, described 3rd runner is divided into Liang Ge branch downwards: the 6th runner and the 7th runner, described 4th runner is communicated with the end of the 6th runner, and described 5th runner is communicated with the end of the 7th runner.
7. novel mould head of blow-moulding machine according to claim 6, is characterized in that: the guiding that the sidewall of described runner is set to tilt is domatic.
8. novel mould head of blow-moulding machine according to claim 6, is characterized in that: described first flow is along the 180 ° of windings of described storing wire mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445066.7U CN204036820U (en) | 2014-08-07 | 2014-08-07 | A kind of novel mould head of blow-moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420445066.7U CN204036820U (en) | 2014-08-07 | 2014-08-07 | A kind of novel mould head of blow-moulding machine |
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| Publication Number | Publication Date |
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| CN204036820U true CN204036820U (en) | 2014-12-24 |
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| CN201420445066.7U Expired - Fee Related CN204036820U (en) | 2014-08-07 | 2014-08-07 | A kind of novel mould head of blow-moulding machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191593A (en) * | 2014-08-07 | 2014-12-10 | 张家港市普信机械有限公司 | Novel die head of blow molding machine |
| CN109352951A (en) * | 2018-10-31 | 2019-02-19 | 徐州耐克盾机械制造有限公司 | A kind of Multifunctional blow-molding machine die head |
| CN109822864A (en) * | 2018-09-04 | 2019-05-31 | 东莞市冠一塑料容器有限公司 | A kind of mould head of blow-moulding machine component |
-
2014
- 2014-08-07 CN CN201420445066.7U patent/CN204036820U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191593A (en) * | 2014-08-07 | 2014-12-10 | 张家港市普信机械有限公司 | Novel die head of blow molding machine |
| CN109822864A (en) * | 2018-09-04 | 2019-05-31 | 东莞市冠一塑料容器有限公司 | A kind of mould head of blow-moulding machine component |
| CN109352951A (en) * | 2018-10-31 | 2019-02-19 | 徐州耐克盾机械制造有限公司 | A kind of Multifunctional blow-molding machine die head |
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Granted publication date: 20141224 Termination date: 20180807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |