CN219727095U - Casting structure of precise injection mold - Google Patents
Casting structure of precise injection mold Download PDFInfo
- Publication number
- CN219727095U CN219727095U CN202320753656.5U CN202320753656U CN219727095U CN 219727095 U CN219727095 U CN 219727095U CN 202320753656 U CN202320753656 U CN 202320753656U CN 219727095 U CN219727095 U CN 219727095U
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- CN
- China
- Prior art keywords
- feed cylinder
- fixedly connected
- pipe
- charging barrel
- injection mold
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- 238000002347 injection Methods 0.000 title claims abstract description 27
- 239000007924 injection Substances 0.000 title claims abstract description 27
- 238000005266 casting Methods 0.000 title claims abstract description 12
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 abstract description 24
- 239000004033 plastic Substances 0.000 abstract description 24
- 239000000463 material Substances 0.000 abstract description 11
- 238000007711 solidification Methods 0.000 abstract description 7
- 230000008023 solidification Effects 0.000 abstract description 7
- 238000004891 communication Methods 0.000 abstract description 4
- 238000001746 injection moulding Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model belongs to the technical field of injection molds, and particularly relates to a casting structure of a precise injection mold, which comprises a mounting plate, wherein four rectangular fixing plates are fixedly connected to the left side of the mounting plate, a main charging barrel and a circulating charging barrel are fixedly connected between the four fixing plates together, the lower end of the main charging barrel is conical and communicated with a material injection pipe, a material passing plate is fixedly connected to the inner peripheral wall of the main charging barrel, a helical blade is fixedly connected between the material passing plate and the inner top wall of the main charging barrel in a rotating manner, a motor for driving the helical blade to rotate is fixedly arranged at the upper end of the main charging barrel, and a plurality of communication ports are formed in the material passing plate. The utility model effectively avoids the plastic solidification phenomenon of the pouring structure when the pouring structure is not molded, and ensures that the plastic keeps good fluidity and temperature when being molded next time.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a casting structure of a precise injection mold.
Background
The injection mold is a tool for producing plastic products, and also a tool for endowing the plastic products with complete structures and precise dimensions, and the injection molding is a processing method used for mass production of parts with complex shapes, specifically, the injection mold is used for injecting heated and melted plastic into a mold cavity at high pressure by an injection molding machine, and cooling and solidifying are carried out to obtain the formed products.
However, after traditional pouring structure gets into injection mold's die cavity inside through helical blade, helical blade can reduce the rotational speed or stop rotatory, waits to mould plastics next time, if latency overlength, the plastics that is close to the melting of discharge gate in the feed cylinder can be cooled off fast, if not heat it and just solidify gradually, and then block the discharge gate, influence and mould plastics next time, or make the plastics of caking get into the mould, lead to fashioned incompleteness.
Therefore, we propose a casting structure of a precision injection mold to solve the above problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a casting structure of a precise injection mold.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a precision injection mold pouring structure, includes the mounting panel, four of mounting panel left side fixedly connected with are the fixed plate that the rectangle distributes, four common fixedly connected with main feed cylinder and circulation feed cylinder between the fixed plate, main feed cylinder lower extreme is toper and intercommunication has the notes material pipe, fixedly connected with passes the flitch on the main feed cylinder inner peripheral wall, it is connected with helical blade to rotate jointly to pass between flitch and the main feed cylinder inner roof, main feed cylinder upper end fixed mounting has drive helical blade pivoted motor, a plurality of intercommunication mouths have been seted up on the flitch to pass, circulation feed cylinder is located main feed cylinder right side and lower extreme and main feed cylinder toper part intercommunication jointly have the inlet pipe, main feed cylinder upper end intercommunication has the filling tube, common intercommunication has the feed back pipe between filling tube and the circulation feed cylinder upper end.
Preferably, the first electric valve is installed on the injection pipe.
Preferably, baffle plates which are obliquely arranged are fixedly connected to the inner wall of the circulating charging barrel, and the baffle plates on the left side and the right side are arranged in a staggered mode.
Preferably, a second electric valve is arranged on the feeding pipe, and a third electric valve is arranged on the feeding pipe and above the feed back pipe.
Preferably, the right ends of the four fixing plates are fixedly connected with heating frame plates which are in a 'shape' in a overlook mode, and the circulating charging barrel is arranged in the heating frame plates.
Compared with the prior art, the device has the advantages that:
1. through setting up main feed cylinder and circulation feed cylinder, the two communicates from top to bottom through inlet pipe and feed back pipe to utilize the cooperation work of first motorised valve, second motorised valve and third motorised valve, make this structure carry out effectively after the work of moulding plastics, need not to stop helical blade's rotation, can utilize its conveying power to drive the plastics that melts and circulate the flow in main feed cylinder and circulation feed cylinder, thereby effectively avoid plastics quick solidification's phenomenon.
2. Through setting up heating frame board and baffle, the setting of baffle can lengthen the flow time of plastics in circulating feed cylinder, can effectively heat by heating frame board then, controls its temperature, avoids taking place the condition of cooling solidification.
In conclusion, the plastic solidification phenomenon of the pouring structure, which occurs when the pouring structure is not molded, is effectively avoided, and the plastic is ensured to keep good fluidity and temperature when the plastic is molded next time.
Drawings
FIG. 1 is a front perspective view of a casting structure of a precision injection mold according to the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;
fig. 3 is a schematic top view of a material passing plate in a casting structure of a precision injection mold according to the present utility model.
In the figure: the device comprises a mounting plate 1, a fixing plate 2, a main charging barrel 3, a passing plate 4, a spiral blade 5, a motor 6, a charging pipe 7, a first electric valve 8, a circulating charging barrel 9, a charging pipe 10, a baffle 11, a charging pipe 12, a feeding pipe 13, a second electric valve 14, a third electric valve 15, a heating frame plate 16 and a communication port 17.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a precision injection mold pouring structure comprises a mounting plate 1, four fixing plates 2 which are in rectangular distribution are fixedly connected to the left side of the mounting plate 1, a main charging barrel 3 and a circulating charging barrel 9 are fixedly connected between the four fixing plates 2 together, the lower end of the main charging barrel 3 is conical and communicated with a material injection pipe 7, a first electric valve 8 is mounted on the material injection pipe 7, and injection molding work can be performed by opening the first electric valve 8. The inner peripheral wall of the main charging barrel 3 is fixedly connected with a material passing plate 4, a spiral blade 5 is connected between the material passing plate 4 and the inner top wall of the main charging barrel 3 in a co-rotation mode, a motor 6 for driving the spiral blade 5 to rotate is fixedly arranged at the upper end of the main charging barrel 3, a plurality of communication ports 17 are formed in the material passing plate 4, and conveyed plastic shells penetrate through the communication ports 17 and enter the conical space. The motor 6 drives the screw blade 5 to rotate, so that molten plastic in the main cylinder 3 can be conveyed downwards and injected into the mold from the injection pipe 7.
The circulation feed cylinder 9 is located main feed cylinder 3 right side and the lower extreme and the main feed cylinder 3 toper part intercommunication jointly have inlet pipe 10, main feed cylinder 3 upper end intercommunication has filling tube 12, the common intercommunication has feed back pipe 13 between filling tube 12 and the circulation feed cylinder 9 upper end, when the first motorised valve 8 on the filling tube 7 closes, helical blade 5 continues to rotate alright make plastics get into in the circulation feed cylinder 9 through inlet pipe 10 to along with entering main feed cylinder 3 once more through feed back pipe 13, form the circulation flow, then can not take place the phenomenon that stops the plastics fast solidification of flow.
Baffle 11 that equal fixedly connected with slope set up on the circulation feed cylinder 9 inner wall, baffle 11 that is located the left and right sides crisscross setting, the common fixedly connected with overlook of four fixed plates 2 right-hand member is the heating frame board 16 of "]" in the heating frame board 16, circulation feed cylinder 9, the setting of baffle 11 can lengthen the flow time of plastics in circulation feed cylinder 9, can effectively heat by heating frame board 16 then, control its temperature, avoid taking place the condition of cooling solidification.
The second electric valve 14 is arranged on the feeding pipe 10, the third electric valve 15 is arranged on the feeding pipe 12 and above the feed back pipe 13, before injection molding work is carried out, the second electric valve 14 and the third electric valve 15 can be opened, the first electric valve 8 is closed, melted plastics are filled into the main charging barrel 3 and the circulating charging barrel 9 through the feeding pipe 12, normal injection molding work can be carried out only by keeping the second electric valve 14 closed, after each injection molding work is carried out, the second electric valve 14 can be opened, the first electric valve 8 and the third electric valve 15 are closed, the plastics in the main charging barrel 3 and the circulating charging barrel 9 can continuously flow in a circulating mode under the conveying of the spiral blades 5, so that the plastic solidification phenomenon is effectively avoided, and the effective injection molding work is ensured.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a precision injection mold pouring structure, includes mounting panel (1), its characterized in that, four fixed plates (2) that are the rectangle and distribute of mounting panel (1) left side fixedly connected with, four common fixedly connected with main feed cylinder (3) and circulation feed cylinder (9) between fixed plate (2), main feed cylinder (3) lower extreme is toper and communicates there is injection pipe (7), fixedly connected with passes through flitch (4) on the inner peripheral wall of main feed cylinder (3), it is connected with helical blade (5) to pass through rotation between roof in flitch (4) and main feed cylinder (3), main feed cylinder (3) upper end fixed mounting has motor (6) that drive helical blade (5) rotated, a plurality of intercommunication mouths (17) have been seted up on passing through flitch (4), circulation feed cylinder (9) are located main feed cylinder (3) right side and lower extreme and main feed cylinder (3) toper part intercommunication have feed pipe (10) jointly, main feed cylinder (3) upper end intercommunication has feed pipe (12), feed pipe (12) and feed pipe (13) feed back between feed pipe (13) and the circulation feed pipe.
2. The precise injection mold casting structure according to claim 1, wherein the injection pipe (7) is provided with a first electric valve (8).
3. The precise injection mold casting structure according to claim 1, wherein baffle plates (11) which are obliquely arranged are fixedly connected to the inner wall of the circulation charging barrel (9), and the baffle plates (11) which are positioned at the left side and the right side are arranged in a staggered manner.
4. The precise injection mold casting structure according to claim 1, wherein the feeding pipe (10) is provided with a second electric valve (14), and the feeding pipe (12) is provided with a third electric valve (15) above the feeding pipe (13).
5. The precise injection mold casting structure according to claim 1, wherein the right ends of the four fixing plates (2) are fixedly connected with a heating frame plate (16) which is in a shape of a 'section' in a top view, and the circulating charging barrel (9) is arranged in the heating frame plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753656.5U CN219727095U (en) | 2023-04-06 | 2023-04-06 | Casting structure of precise injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320753656.5U CN219727095U (en) | 2023-04-06 | 2023-04-06 | Casting structure of precise injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219727095U true CN219727095U (en) | 2023-09-22 |
Family
ID=88030375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320753656.5U Active CN219727095U (en) | 2023-04-06 | 2023-04-06 | Casting structure of precise injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219727095U (en) |
-
2023
- 2023-04-06 CN CN202320753656.5U patent/CN219727095U/en active Active
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