CN218315089U - Controllable accurate injection mold of quick gas-assisted forming of pressure - Google Patents
Controllable accurate injection mold of quick gas-assisted forming of pressure Download PDFInfo
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- CN218315089U CN218315089U CN202220922183.2U CN202220922183U CN218315089U CN 218315089 U CN218315089 U CN 218315089U CN 202220922183 U CN202220922183 U CN 202220922183U CN 218315089 U CN218315089 U CN 218315089U
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- injection molding
- upper template
- molding upper
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- pressure
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Abstract
The utility model discloses a pressure-controllable rapid gas-assisted forming precise injection mold, which comprises a fixed base, support columns and butt-joint plates, wherein the support columns are fixed on two sides of the top of the fixed base, the end parts of the support columns are fixedly connected with the butt-joint plates, and hydraulic cylinders are arranged on the tops of the butt-joint plates; further comprising: the injection molding upper template is fixedly connected to the end part of the hydraulic cylinder, two sides of the top of the injection molding upper template are connected with injection molding pipes, and the bottom of the injection molding upper template is fixedly connected with a connecting gasket; and the fixed connecting pieces are fixedly connected to two sides of the injection molding upper template. This accurate injection mold of controllable quick gas-assisted forming of pressure, when movable block and pressure sensor contacted, pressure sensor fed back the controller with the signal, stopped hydraulic cylinder's motion, and then realized controlling the die clamping pressure of the cope match-plate pattern of moulding plastics and the lower bolster of moulding plastics automatically, avoided appearing the untight condition of compound die.
Description
Technical Field
The utility model relates to an injection mold technical field specifically is a controllable accurate injection mold of quick gas-assisted forming of pressure.
Background
The gas-assisted molding is an injection molding technology which is used for replacing a plastic pressure maintaining process by gas pressure maintaining after high-pressure gas is injected when plastic is properly filled into a cavity.
The traditional injection mold has certain defects in mold closing pressure control, the mold closing of the mold is mainly realized by using driving equipment in the mold closing process of an upper template and a lower template, the tightness of the mold closing is judged by workers according to experience, and the loose mold closing condition is easy to occur due to operation misjudgment.
Aiming at the existing problems, innovation is urgently needed on the basis of the original injection mold.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a controllable accurate injection mold of quick gas-assisted forming of pressure to solve the injection mold who proposes in the above-mentioned background art and still have certain not enough on the control of matched die pressure, to the cope and drag template compound die in-process, mainly be the compound die that utilizes drive arrangement to realize the mould, need the staff to judge the compactness of compound die according to the experience, and then easily because of the operation misjudgement the untight condition of compound die appears.
In order to achieve the above purpose, the utility model provides a following technical scheme: a pressure-controllable rapid gas-assisted forming precision injection mold comprises a fixed base, supporting columns and butt-joint plates, wherein the supporting columns are fixed on two sides of the top of the fixed base, the butt-joint plates are fixedly connected to the end portions of the supporting columns, and hydraulic cylinders are mounted on the tops of the butt-joint plates;
further comprising:
the injection molding upper template is fixedly connected to the end part of the hydraulic cylinder, two sides of the top of the injection molding upper template are connected with injection molding pipes, and the bottom of the injection molding upper template is fixedly connected with a connecting gasket;
the fixed connecting pieces are fixedly connected to two sides of the injection molding upper template, the outer walls of the fixed connecting pieces are fixedly connected with connecting seats, and pressure sensors are mounted on the inner sides of the connecting seats;
the lower injection molding template is fixed at the top of the fixed base through bolts;
the inlet tube, set up in unable adjustment base's outer wall, and the tip intercommunication of inlet tube has the circulating pipe to the avris of circulating pipe is connected with the outlet pipe.
Preferably, the injection molding upper template and the support column form a sliding structure through a fixed connecting piece and a hydraulic cylinder, the fixed connecting piece is nested and arranged outside the support column, the fixed connecting piece and the injection molding upper template are integrally arranged, the injection molding upper template is driven to move by controlling the hydraulic cylinder, the injection molding upper template is connected with the fixed connecting piece, and the fixed connecting piece is nested and arranged outside the support column, so that the movement of the injection molding upper template is more stable.
Preferably, be adhesive connection between connection gasket and the cope match-plate pattern of moulding plastics, and connection gasket look upward and be "mouth" style of calligraphy structure setting, utilize adhesive connection's on the cope match-plate pattern of moulding plastics connection gasket, connection gasket appearance is "mouth" style of calligraphy to certain elasticity has, when connection gasket and the lower bolster of moulding plastics link to each other, increases the cope match-plate pattern of moulding plastics and the inseparable condition of being connected of the lower bolster of moulding plastics, effectively avoids the liquid excessive condition of moulding plastics.
Preferably, the inner wall of the connecting seat is movably connected with a movable block, the end part of the movable block is fixedly connected with a pressing block, and the outer side of the connecting seat is connected with a compression spring.
Preferably, the pressing block forms an elastic telescopic structure with the connecting seat through the movable block and the compression spring, the movable block is nested and arranged outside the compression spring, the connecting seat is symmetrically arranged relative to the central axis of the injection molding upper template, when the pressing block is connected with the injection molding lower template, the pressing block can drive the movable block to slide on the connecting seat, the compression spring is compressed, when the movable block is in contact with the pressure sensor, the pressure sensor feeds a signal back to the controller to stop the movement of the hydraulic cylinder, and then the automatic control over the mold closing pressure of the injection molding upper template and the injection molding lower template is realized, the untight condition of mold closing is avoided, and the influence of transmission errors is avoided.
Preferably, the inlet tube is linked together through circulating pipe and outlet pipe, and overlooking of circulating pipe is "mouth" column structure setting to the circulating pipe is provided with threely, utilizes the inlet tube that sets up on the unable adjustment base, lets during cooling water enters into the circulating pipe through the inlet tube, and flows from the outlet pipe, and the circulating pipe is provided with threely to be the column structure setting, increase and unable adjustment base's contact surface, and then come to cool down the lower bolster of moulding plastics on the unable adjustment base, accelerate the shaping speed of injection molding.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the pressure-controllable rapid gas-assisted forming precise injection mold is provided with the pressing block, when the pressing block is connected with the injection lower template, the pressing block can drive the movable block to slide on the connecting seat and compress the compression spring, when the movable block is contacted with the pressure sensor, the pressure sensor feeds back a signal to the controller to stop the movement of the hydraulic cylinder, so that the mold closing pressure of the injection upper template and the injection lower template is automatically controlled, the condition that mold closing is not tight is avoided, and the mold closing pressure is not influenced by transmission errors;
2. this controllable accurate injection mold of quick gas-assisted forming of pressure is provided with the circulating pipe, utilizes the last inlet tube that sets up of unable adjustment base, lets the cooling water enter into the circulating pipe through the inlet tube to from the outlet pipe outflow, and the circulating pipe is provided with threely, and be the setting of square column structure, increase and unable adjustment base's contact surface, further come to cool down the lower bolster of moulding plastics on the unable adjustment base, accelerate the shaping speed of injection molding.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic view of the mold closing structure of the injection molding upper mold plate and the injection molding lower mold plate of the present invention;
FIG. 3 is a schematic view of the bottom structure of the connection pad of the present invention;
fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;
fig. 5 is a schematic view of the top-view internal structure of the fixing base of the present invention;
fig. 6 is a schematic view of the connection structure of the fixing connector and the connecting seat of the present invention.
In the figure: 1. a fixed base; 2. a support column; 3. a butt plate; 4. a hydraulic cylinder; 5. injection molding an upper template; 6. injection molding a tube; 7. connecting a gasket; 8. fixing the connecting piece; 9. a connecting seat; 10. a movable block; 11. a pressing block; 12. a compression spring; 13. a pressure sensor; 14. injection molding a lower template; 15. a water inlet pipe; 16. a circulation pipe; 17. and (5) discharging a water pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a pressure-controllable rapid gas-assisted forming precision injection mold comprises a fixed base 1, support columns 2 and butt joint plates 3, wherein the support columns 2 are fixed on two sides of the top of the fixed base 1, the butt joint plates 3 are fixedly connected to the end portions of the support columns 2, and hydraulic cylinders 4 are mounted on the tops of the butt joint plates 3; further comprising: the injection molding upper template 5 is fixedly connected to the end part of the hydraulic cylinder 4, two sides of the top of the injection molding upper template 5 are connected with injection molding pipes 6, and the bottom of the injection molding upper template 5 is fixedly connected with a connecting gasket 7; the connecting gasket 7 is in adhesive connection with the injection upper template 5, the connecting gasket 7 is arranged in a square-shaped structure in an upward view, the connecting gasket 7 is in adhesive connection with the injection upper template 5, the connecting gasket 7 is square-shaped and has certain elasticity, and when the connecting gasket 7 is connected with the injection lower template 14, the connecting tightness between the injection upper template 5 and the injection lower template 14 is improved, so that the condition that injection liquid overflows is effectively avoided;
the fixed connecting pieces 8 are fixedly connected to two sides of the injection upper template 5, the outer walls of the fixed connecting pieces 8 are fixedly connected with connecting seats 9, and pressure sensors 13 are mounted on the inner sides of the connecting seats 9; the injection upper template 5 and the support column 2 form a sliding structure through a fixed connecting piece 8 and a hydraulic cylinder 4, the fixed connecting piece 8 is nested outside the support column 2, the fixed connecting piece 8 and the injection upper template 5 are integrally arranged, the injection upper template 5 is driven to move by controlling the hydraulic cylinder 4, the injection upper template 5 is connected with the fixed connecting piece 8, and the fixed connecting piece 8 is nested outside the support column 2, so that the movement of the injection upper template 5 is more stable;
the inner wall of the connecting seat 9 is movably connected with a movable block 10, the end part of the movable block 10 is fixedly connected with a pressing block 11, and the outer side of the connecting seat 9 is connected with a compression spring 12; the pressing block 11 and the connecting seat 9 form an elastic telescopic structure through the movable block 10 and the compression spring 12, the movable block 10 is nested outside the compression spring 12, the connecting seat 9 is symmetrically arranged about the central axis of the injection upper template 5, when the pressing block 11 is connected with the injection lower template 14, the pressing block 11 can drive the movable block 10 to slide on the connecting seat 9 and compress the compression spring 12, when the movable block 10 is contacted with the pressure sensor 13, the pressure sensor 13 feeds back a signal to the controller to stop the movement of the hydraulic cylinder 4, so that the automatic control of the mold clamping pressure of the injection upper template 5 and the injection lower template 14 is realized, the condition of untight mold clamping is avoided, and the mold clamping pressure is not influenced by transmission errors;
the lower template 14 is injection-molded, and is fixed on the top of the fixed base 1 through bolts; the water inlet pipe 15 is arranged on the outer wall of the fixed base 1, the end part of the water inlet pipe 15 is communicated with a circulating pipe 16, and the side of the circulating pipe 16 is connected with a water outlet pipe 17; the inlet tube 15 is linked together with outlet pipe 17 through circulating pipe 16, and overlook of circulating pipe 16 is "mouth" style of calligraphy structure setting, and circulating pipe 16 is provided with threely, utilize the inlet tube 15 that sets up on unable adjustment base 1, let the cooling water enter into circulating pipe 16 through inlet tube 15, and flow out from outlet pipe 17, and circulating pipe 16 is provided with threely, and be the setting of mouth style of calligraphy structure, increase and unable adjustment base 1's contact surface, and then come to cool down the lower bolster 14 of moulding plastics on the unable adjustment base 1, accelerate the shaping speed of injection molding.
The working principle is as follows: when the pressure-controllable rapid gas-assisted molding precision injection mold is used, according to the diagrams 1-6, the hydraulic cylinder 4 on the butt plate 3 is controlled to move, the hydraulic cylinder 4 drives the injection upper template 5 to move, the injection upper template 5 is connected with the fixed connecting piece 8, the fixed connecting piece 8 is embedded outside the supporting column 2, so that the movement of the injection upper template 5 is more stable, when the pressing block 11 is connected with the injection lower template 14, the pressing block 11 can drive the movable block 10 to slide on the connecting seat 9 and compress the compression spring 12, and when the movable block 10 is contacted with the pressure sensor 13, the pressure sensor 13 feeds a signal back to the controller to stop the movement of the hydraulic cylinder 4, so that the automatic control of the mold closing pressure of the injection upper template 5 and the injection lower template 14 is realized, the condition of mold closing incompact is avoided, and the mold closing pressure is not influenced by transmission errors;
the injection molding part is processed by adding injection molding raw materials into the injection molding upper template 5 and the injection molding lower template 14 through the injection molding pipe 6, cooling water enters the circulating pipe 16 through the water inlet pipe 15 and flows out of the water outlet pipe 17, the three circulating pipes 16 are arranged in a square structure to increase the contact surface with the fixed base 1, and further the injection molding lower template 14 on the fixed base 1 is cooled, so that the molding speed of the injection molding part is accelerated.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A pressure-controllable rapid gas-assisted forming precision injection mold comprises a fixed base (1), supporting columns (2) and butt-joint plates (3), wherein the supporting columns (2) are fixed on two sides of the top of the fixed base (1), the butt-joint plates (3) are fixedly connected to the end portions of the supporting columns (2), and hydraulic cylinders (4) are mounted on the tops of the butt-joint plates (3);
it is characterized by also comprising:
the injection molding upper template (5) is fixedly connected to the end part of the hydraulic cylinder (4), two sides of the top of the injection molding upper template (5) are connected with injection molding pipes (6), and the bottom of the injection molding upper template (5) is fixedly connected with a connecting gasket (7);
the injection molding upper template (5) is fixedly connected with the outer wall of the injection molding upper template (8), the outer wall of the injection molding upper template (8) is fixedly connected with a connecting seat (9), and the inner side of the connecting seat (9) is provided with a pressure sensor (13);
the injection molding lower template (14) is fixed at the top of the fixed base (1) through bolts;
the inlet tube (15), set up in the outer wall of unable adjustment base (1), and the tip intercommunication of inlet tube (15) has circulating pipe (16), and the avris of circulating pipe (16) is connected with outlet pipe (17).
2. The rapid gas-assisted forming precision injection mold with controllable pressure as claimed in claim 1, wherein: the injection molding upper template (5) forms a sliding structure with the support column (2) through the fixed connecting piece (8) and the hydraulic cylinder (4), the fixed connecting piece (8) is nested and arranged outside the support column (2), and the fixed connecting piece (8) and the injection molding upper template (5) are integrally arranged.
3. The rapid gas-assisted forming precision injection mold with controllable pressure as claimed in claim 1, wherein: the connecting gasket (7) is connected with the injection molding upper template (5) in an adhering mode, and the connecting gasket (7) is arranged in a structure shaped like a Chinese character 'kou' in an upward view.
4. The rapid gas-assisted forming precision injection mold with controllable pressure as claimed in claim 1, wherein: the inner wall of the connecting seat (9) is movably connected with a movable block (10), the end part of the movable block (10) is fixedly connected with a pressing block (11), and the outer side of the connecting seat (9) is connected with a compression spring (12).
5. The rapid gas-assisted forming precision injection mold with controllable pressure as claimed in claim 4, wherein: the pressing block (11) and the connecting seat (9) form an elastic telescopic structure through the movable block (10) and the compression spring (12), the movable block (10) is arranged outside the compression spring (12) in a nested mode, and the connecting seat (9) is symmetrically arranged relative to the central axis of the injection molding upper template (5).
6. The rapid gas-assisted forming precision injection mold with controllable pressure as claimed in claim 1, wherein: the water inlet pipe (15) is communicated with the water outlet pipe (17) through a circulating pipe (16), the circulating pipe (16) is arranged in a square-shaped structure when being overlooked, and the number of the circulating pipes (16) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220922183.2U CN218315089U (en) | 2022-04-21 | 2022-04-21 | Controllable accurate injection mold of quick gas-assisted forming of pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220922183.2U CN218315089U (en) | 2022-04-21 | 2022-04-21 | Controllable accurate injection mold of quick gas-assisted forming of pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218315089U true CN218315089U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220922183.2U Active CN218315089U (en) | 2022-04-21 | 2022-04-21 | Controllable accurate injection mold of quick gas-assisted forming of pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218315089U (en) |
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2022
- 2022-04-21 CN CN202220922183.2U patent/CN218315089U/en active Active
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