CN111844647A - Hot runner cylinder gas circuit system and hot runner mold - Google Patents
Hot runner cylinder gas circuit system and hot runner mold Download PDFInfo
- Publication number
- CN111844647A CN111844647A CN202010624107.9A CN202010624107A CN111844647A CN 111844647 A CN111844647 A CN 111844647A CN 202010624107 A CN202010624107 A CN 202010624107A CN 111844647 A CN111844647 A CN 111844647A
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- China
- Prior art keywords
- hot runner
- plate
- fixing plate
- cylinder
- cylinder body
- Prior art date
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- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000002173 cutting fluid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
Images
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
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/28—Closure devices therefor
- B29C45/2806—Closure devices therefor consisting of needle valve systems
- B29C45/281—Drive means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a hot runner cylinder gas circuit system which comprises a fixed die fixing plate and a valve needle, wherein the fixed die fixing plate is provided with an accommodating cavity, one side in the accommodating cavity is provided with a cylinder body, and the other side of the accommodating cavity is provided with a hot runner guide sleeve connected with the cylinder body; a piston moving along the cylinder body is arranged in the cylinder body, and a valve needle penetrating through the hot runner guide sleeve is arranged on one side of the piston; the cover plate is used for sealing the containing cavity, and is characterized in that one side of the fixed die fixing plate is provided with a gas hole communicated with the containing cavity, a gas used for driving the piston to move is arranged in the gas hole, and a cover plate used for sealing the containing cavity is arranged on one side of the fixed die fixing plate. The hot runner mold comprises a hot runner cylinder air path system, wherein the hot runner cylinder air path system is the hot runner cylinder air path system. The problem of hot runner cylinder system need all dismantle when appearing unusually to investigate, check gradually and investigate the gas circuit system, waste time and energy is solved.
Description
Technical Field
The invention belongs to the technical field of hot runner molds, and particularly relates to a hot runner cylinder air passage system and a hot runner mold.
Background
The hot runner mold is mainly used for producing plastic products, the melt in the runner is not solidified all the time by utilizing the heating device, compared with the traditional mold, the hot runner mold has the advantages of short forming period, more raw material saving, capability of improving the production efficiency, improving the product quality, simplification of subsequent procedures of the product and the like, and therefore, the hot runner mold is widely applied to developed countries and regions of various industries in the world at present.
With the rapid development of the mold industry and the industry demand, hot runners are increasingly applied to molds. The cylinder system on the hot runner is a very important component on the whole hot runner. Traditional cylinder gas circuit system is integrated on whole hot runner system, and when hot runner cylinder system appeared unusually, this kind of integrated gas circuit system maintenance was very troublesome, need to come out whole hot runner system dismantlement, progressively verifies the investigation gas circuit system, wastes time and energy.
Disclosure of Invention
The invention provides a hot runner cylinder gas circuit system, which is used for solving the problem that the traditional hot runner system can be checked only by disassembling all the hot runner system, and achieves the beneficial effect of quick check.
The invention also provides a hot runner mold, which solves the problems that when the hot runner cylinder system is abnormal, the hot runner cylinder system needs to be completely disassembled for examination, the examined air path system is gradually verified, and time and labor are wasted.
The invention is realized by the following technical scheme:
the utility model provides a hot runner cylinder gas circuit system, includes cover half fixed plate and needle, its characterized in that: the cover half fixed plate on be equipped with and hold the chamber, hold intracavity one side and be equipped with the cylinder body, its opposite side is equipped with the hot runner guide pin bushing of being connected with the cylinder body.
A piston moving along the cylinder body is arranged in the cylinder body, and a valve needle penetrating through the hot runner guide sleeve is arranged on one side of the piston.
The cover plate is used for sealing the containing cavity, and is characterized in that one side of the fixed die fixing plate is provided with a gas hole communicated with the containing cavity, a gas used for driving the piston to move is arranged in the gas hole, and a cover plate used for sealing the containing cavity is arranged on one side of the fixed die fixing plate.
Preferably, the hot runner guide sleeve is connected with the cylinder body through a clamping ring.
Preferably, the accommodating cavity is stepped and is communicated with the outside.
Preferably, one side of the fixed die fixing plate is provided with an embedded cover plate, and the cover plate is detachably connected with the fixed die fixing plate.
Preferably, the number of the air holes is 2, and the air holes are divided into holes A and holes B; a closed space is formed among the hole A, the cover plate, the cylinder body and the accommodating cavity; and a closed space is formed among the hole B, the hot runner guide sleeve, the cylinder body and the accommodating cavity.
Preferably, the diameter of the air hole is 6 mm.
A hot runner mold comprises a hot runner cylinder air path system, wherein the hot runner cylinder air path system is the hot runner cylinder air path system.
Preferably, the hot runner mold further comprises a hot runner plate, a fixed mold plate, a movable mold plate, square iron and a movable mold fixing plate which are sequentially arranged, the fixed mold fixing plate is located on one side of the hot runner plate, a hot runner cylinder air path system is arranged between the fixed mold fixing plate and the hot runner plate, and an ejector plate and an ejector fixing plate are arranged in the square iron.
The invention has the advantages that:
according to the invention, the air path system is independently arranged on the hot runner system, the movement of the piston and the valve needle can be realized through the two air holes, when a problem occurs, the maintenance can be carried out without completely disassembling the components, the use is convenient, and the practicability is strong.
The hot runner cylinder air passage system is arranged on the fixed die fixing plate of the hot runner die, so that the air passage system is separated from the hot runner system, the air passage system is independent of the whole hot runner system, and when the air passage of the hot runner system is abnormal in production, the purpose of quick checking can be achieved, and the production is guaranteed.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the first embodiment in full section;
FIG. 2 is a schematic diagram of the structure of the valve needle for glue dispensing;
FIG. 3 is a schematic view of a valve pin sealant;
FIG. 4 is a first schematic structural view of the piston and the valve needle;
FIG. 5 is a second schematic structural view of the piston and valve pin;
fig. 6 is a schematic structural diagram of the second embodiment.
In the figure, 1, a fixed die fixing plate; 2. a valve needle; 3. an accommodating chamber; 4. a cylinder body; 5. a hot runner guide sleeve; 6. a piston; 7. air holes; 8. a cover plate; 9. a snap ring; 10. a hot runner plate; 11. fixing a template; 12. moving the template; 13. square iron; 14. a movable mold fixing plate; 15. an ejector plate; 16. and a thimble fixing plate.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solution of the present invention is described in detail below with reference to fig. 1 to 6.
Example 1
Hot runner cylinder gas circuit system and packageComprises a fixed die fixing plate 1 and a valve needle 2, wherein the diameter d =5mm, S of the valve needle1=1/4*πd2=0.196cm2(ii) a The fixed die fixing plate 1 is provided with an accommodating cavity 3, the accommodating cavity 3 is in a step shape, and the accommodating cavity 3 is communicated with the outside; a cylinder body 4 is arranged on one side in the accommodating cavity 3, and a hot runner guide sleeve 5 connected with the cylinder body 4 is arranged on the other side.
The section of the hot runner guide sleeve 5 is of an inverted T-shaped structure, and the projection part of the hot runner guide sleeve is larger than the opening at the lower side of the accommodating cavity 3, so that the end of the hot runner guide sleeve 5 is positioned at the outer side of the accommodating cavity 3; the other end of the hot runner guide sleeve 5 is provided with a clamping groove matched with the clamping ring 9, and the hot runner guide sleeve 5 is connected with the cylinder body 4 through the clamping ring 9
The cylinder 4 is internally provided with a piston 6 moving along the cylinder, and the diameter D =39.4mm, S of the piston2=1/4*πD2=12.192 cm2(ii) a One side of the piston 6 is provided with a valve needle 2 which penetrates through the hot runner guide sleeve 5.
One side of the fixed die fixing plate 1 is provided with an air hole 7 communicated with the inside of the containing cavity 3, and the diameter of the air hole 7 is 6 mm; the gas hole 7 is filled with gas for driving the piston 6 to move.
And a cover plate 8 for closing the accommodating cavity 3 is arranged on one side of the fixed die fixing plate 1. An embedded cover plate 8 is arranged on one side of the fixed die fixing plate 1, and the cover plate 8 is detachably connected with the fixed die fixing plate 1. The cover plate 8 is provided with screw holes, the fixed die fixing plate 1 is provided with the same screw holes, and the fixed die fixing plate are connected through bolts.
2 air holes 7 are arranged and divided into holes A and holes B; a closed space is formed among the hole A, the cover plate 8, the cylinder body 4 and the accommodating cavity 3; and a closed space is formed among the hole B, the hot runner guide sleeve 5, the cylinder body 4 and the accommodating cavity 3.
The air hole processing technology comprises the following steps:
firstly, the fixed die fixing plate 1 is clamped, the confirmation is firm and reliable, and the fixed die fixing plate 1, a cutter and a clamp are prevented from interfering with each other in work.
And secondly, using the number of the fixed die fixing plate 1 which is hit by a central drill on the top surface as 0 as a reference. The air holes A are punched at the position 30mm downward, and the air holes B are punched at the position 51.5mm downward (the thickness standard of the fixed die fixing plate 1 is 60 mm).
And thirdly, starting the air valve, and adjusting the cutting fluid lubrication knob on the special device to a proper degree.
Step four, the deep hole drill with phi 6 is changed, the drill is manually shaken to an accurate dotting position (dotting in step 2)
The fifth step is to start the main shaft and feed automatically
And sixthly, checking the discharge condition of the scrap iron, and constantly paying attention to whether the cutting fluid is sprayed out.
And seventhly, after the machining is finished, mechanically withdrawing a part of the drill bits, stopping the machine, closing the air valve, manually withdrawing the drill bits, and operating in sequence to prevent the drill bits from flying out.
When the device is installed, the cylinder body 4 is placed in the middle of the accommodating cavity 3, one end of the hot runner guide sleeve 5 penetrates through openings in the lower portion of the accommodating cavity 3 and the lower portion of the cylinder body 4, the cylinder body 4 and the hot runner guide sleeve 5 are fixed together through the clamping ring 9, then the piston 6 and the valve needle 2 penetrate through the cylinder body 4 and the hot runner guide sleeve 5, and finally the cover plate 8 and the fixed die fixing plate 1 are installed together.
During the use, when compressed air entered from the B gas pocket, because the airtight space that cover half fixed plate 1, hot runner guide pin bushing 5, cylinder body 4 formed, when compressed air was incessantly entered from the B gas pocket, can drive piston 6 upward movement, piston 6 takes needle 2 upward movement to unseal the jiao kou, hot runner system began to go out glue. Finally, the piston 6 moves to the cover plate 8, as shown in fig. 2.
When compressed air enters from the A, due to the closed space formed by the fixed die fixing plate 1, the cover plate 8 and the cylinder body 4, when the compressed air continuously enters from the A air hole, the piston 6 is driven to move downwards, the piston 6 drives the valve needle 2 to move downwards, so that a glue opening is sealed, the hot runner system stops injecting glue, and finally the piston 6 moves to the hot runner guide sleeve 5, as shown in fig. 3.
In the actual production process, the A, B state is repeated and repeated. The states of glue injection and glue sealing of the hot runner system are formed.
Example 2
The utility model provides a hot runner mold, includes hot runner cylinder gas circuit system, hot runner cylinder gas circuit system include cover half fixed plate 1 and needle 2, cover half fixed plate 1 on be equipped with and hold chamber 3, hold 3 interior one sides in chamber and be equipped with cylinder body 4, its opposite side is equipped with the hot runner guide pin bushing 5 of being connected with cylinder body 4.
A piston 6 moving along the cylinder body 4 is arranged in the cylinder body, and a valve needle 2 penetrating through a hot runner guide sleeve 5 is arranged at one side of the piston 6.
Fixed mould fixed plate 1 one side be equipped with hold the inside communicating gas pocket 7 in chamber 3, be equipped with in the gas pocket 7 and be used for driving the gas that piston 6 removed, fixed mould fixed plate 1 one side is equipped with the apron 8 that is used for sealing and holds chamber 3.
On the basis, the hot runner mold further comprises a hot runner plate 10, a fixed mold plate 11, a movable mold plate 12, square iron 13 and a movable mold fixing plate 14 which are sequentially arranged, the fixed mold fixing plate 1 is located on one side of the hot runner plate 10, a hot runner cylinder air path system is arranged between the fixed mold fixing plate 1 and the hot runner plate 10, and an ejector pin plate 15 and an ejector pin fixing plate 16 are arranged in the square iron 13.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a hot runner cylinder gas circuit system, includes cover half fixed plate and needle, its characterized in that: the fixed die fixing plate is provided with an accommodating cavity, one side in the accommodating cavity is provided with a cylinder body, and the other side of the accommodating cavity is provided with a hot runner guide sleeve connected with the cylinder body;
a piston moving along the cylinder body is arranged in the cylinder body, and a valve needle penetrating through the hot runner guide sleeve is arranged on one side of the piston;
the cover plate is used for sealing the containing cavity, and is characterized in that one side of the fixed die fixing plate is provided with a gas hole communicated with the containing cavity, a gas used for driving the piston to move is arranged in the gas hole, and a cover plate used for sealing the containing cavity is arranged on one side of the fixed die fixing plate.
2. The hot runner cylinder air passage system of claim 1, wherein: the hot runner guide sleeve is connected with the cylinder body through a clamping ring.
3. The hot runner cylinder air passage system of claim 1, wherein: the accommodating cavity is in a step shape and is communicated with the outside.
4. The hot runner cylinder air passage system of claim 1, wherein: and one side of the fixed die fixing plate is provided with an embedded cover plate, and the cover plate is detachably connected with the fixed die fixing plate.
5. The hot runner cylinder air passage system of claim 1, wherein: the number of the air holes is 2, and the air holes are divided into holes A and holes B; a closed space is formed among the hole A, the cover plate, the cylinder body and the accommodating cavity; and a closed space is formed among the hole B, the hot runner guide sleeve, the cylinder body and the accommodating cavity.
6. The hot runner cylinder air passage system of claim 1, wherein: the diameter of the air hole is 6 mm.
7. The utility model provides a hot runner mould, includes hot runner cylinder gas circuit system, its characterized in that: the hot runner cylinder air path system is as claimed in any one of claims 1-6.
8. The hot-runner mold of claim 7, wherein: the hot runner mold further comprises a hot runner plate, a fixed mold plate, a movable mold plate, square iron and a movable mold fixing plate which are sequentially arranged, the fixed mold fixing plate is located on one side of the hot runner plate, a hot runner cylinder air circuit system is arranged between the fixed mold fixing plate and the hot runner plate, and an ejector plate and an ejector fixing plate are arranged in the square iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010624107.9A CN111844647A (en) | 2020-07-01 | 2020-07-01 | Hot runner cylinder gas circuit system and hot runner mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010624107.9A CN111844647A (en) | 2020-07-01 | 2020-07-01 | Hot runner cylinder gas circuit system and hot runner mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111844647A true CN111844647A (en) | 2020-10-30 |
Family
ID=72989648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010624107.9A Pending CN111844647A (en) | 2020-07-01 | 2020-07-01 | Hot runner cylinder gas circuit system and hot runner mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111844647A (en) |
-
2020
- 2020-07-01 CN CN202010624107.9A patent/CN111844647A/en active Pending
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