CN213704370U - Plastic mould with adjustable runner - Google Patents
Plastic mould with adjustable runner Download PDFInfo
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- CN213704370U CN213704370U CN202021724553.9U CN202021724553U CN213704370U CN 213704370 U CN213704370 U CN 213704370U CN 202021724553 U CN202021724553 U CN 202021724553U CN 213704370 U CN213704370 U CN 213704370U
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- pulley
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- hole
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Abstract
The utility model discloses a plastic mould capable of adjusting a flow passage, which comprises a mould cover plate and a mould bottom plate, wherein the mould cover plate is provided with a feed inlet and a heating plate, an injection molding nozzle, a fixed groove, the flow passage and a check valve are arranged inside the mould bottom plate, the check valve comprises a slide block, an end cap, a spring and a limiting block, a bracket is arranged at the center of the bottom of the mould bottom plate, a motor is arranged at the bottom of the bracket, the bottom of the bottom plate is provided with the bracket, the motor, a first pulley and a second pulley, a lead screw is arranged at the top of the second pulley, a baffle is arranged on the surface of the lead screw, the plastic is injected and pushes the end cap open, the end cap drives the slide block to move and compress the spring, the plastic flows into the fixed groove through the check valve and the flow passage to be fixed, the first pulley, the second, reach the velocity of flow and adjust the purpose, the utility model discloses rational in infrastructure, easy operation, practicality are strong.
Description
Technical Field
The utility model relates to a plastic mould technical field especially relates to a plastic mould of adjustable runner.
Background
The plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordination change of the male die, the female die and the auxiliary forming system of the die can process a series of plastic parts with different shapes and sizes.
The existing plastic mold is basically a single runner, the flow rate in the runner is fixed and cannot be adjusted, when the flow rate is too high, certain resistance can be generated due to the characteristics of the plastic, so that the interior of the runner is blocked, and meanwhile, when the injection molding is stopped due to the high pressure used during the injection molding, the plastic in the runner has a backflow phenomenon, so that the raw materials are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a plastic mould with an adjustable flow passage.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a plastic mould capable of adjusting a flow passage comprises a mould cover plate and a mould bottom plate, wherein a feed inlet is formed in the upper surface of the mould cover plate, a heating plate is arranged on the bottom surface of the mould cover plate, an injection nozzle is formed in the center of the surface of the mould bottom plate, fixed grooves are symmetrically formed in two sides of the injection nozzle, the flow passage is formed between the fixed grooves, a check valve is arranged at one end, close to the injection nozzle, in the flow passage, and the check valve comprises a slide block, an end cap, a spring and a limiting block;
the runner inner wall surface is symmetrically provided with sliding blocks, one end of each sliding block, which is close to the injection molding nozzle, is fixedly connected with a plug, the runner inner wall surface is provided with a limiting block at a position close to the sliding blocks, and one side, which is far away from the injection molding nozzle, of each plug is positioned between the sliding blocks and provided with a spring;
a support is arranged at the center of the bottom of the die bottom plate, a motor is arranged at the bottom of the support, a first pulley is arranged in the support at the center of the bottom plate, and second pulleys are symmetrically arranged on two sides of the first pulley;
the top of the second pulley is provided with a screw rod, a baffle is arranged on the surface of the screw rod close to the flow channel, one end of the screw rod penetrates through the bottom walls of the die bottom plate and the baffle and extends, and one end of the baffle penetrates through the bottom of the flow channel and extends inwards.
As a further description of the above technical solution:
the feed inlet runs through the hot plate and is linked together with the mouth of moulding plastics, the opening part of feed inlet is the funnel type, the slider is close to end cap department and has seted up the through-hole, slider and runner inner wall sliding connection, the inner wall of runner is embedded into to stopper one end, the mouth of moulding plastics is the shape of falling T.
As a further description of the above technical solution:
the surface of the spring is connected with the surface of the sliding block in a sliding mode, the plug is made of sealing rubber, one end, close to the limiting block, of the spring is fixedly connected with the limiting block, and a through hole is formed in the center of the limiting block.
As a further description of the above technical solution:
the rotating shaft of the motor penetrates through the support, a first through hole is formed in the penetrating position of the rotating shaft of the motor, the surface of the rotating shaft of the motor is rotatably connected with the inner wall of the first through hole, and the first pulley and the second pulley are rotatably connected with the bottom surface of the die bottom plate.
As a further description of the above technical solution:
and a second through hole is formed in the penetrating position of the screw rod, the die bottom plate and the baffle, the outer wall of the screw rod is in threaded connection with the inner wall of the second through hole, and the extending end of the screw rod is rotatably connected with the outer wall of the flow channel.
As a further description of the above technical solution:
a third through hole is formed in the penetrating position of the baffle and the flow channel, the outer wall of the baffle is connected with the inner wall of the through hole in a sliding mode, and the first pulley is connected with the second pulley through a belt.
The utility model discloses following beneficial effect has: 1. the utility model discloses be provided with the double flow way, and the inside check valve that is provided with of runner, the plastic is opened the check valve top and is gone into the constant-size groove through the runner during moulding plastics, stops the plastic backward flow through the check valve action after the completion of moulding plastics, has avoided the raw materials extravagant.
2. The utility model discloses be provided with motor, first pulley, second pulley, lead screw, belt, baffle, it is rotatory through control motor, belt drive first pulley, second pulley, lead screw, and the lead screw is rotatory to make the baffle up-and-down motion to plastic velocity of flow adjusts in the realization runner.
Drawings
Fig. 1 is a sectional view of a plastic mold with an adjustable runner according to the present invention;
fig. 2 is a side view of the plastic mold with an adjustable runner according to the present invention;
fig. 3 is a schematic diagram of a pulley distribution of the plastic mold with an adjustable runner according to the present invention.
Illustration of the drawings:
1. a mold cover plate; 2. a mold base plate; 3. a feed inlet; 4. heating plates; 5. an injection molding nozzle; 6. a shaping groove; 7. a flow channel; 8. a one-way valve; 9. a support; 10. a motor; 11. a first pulley; 12. a second pulley; 13. a screw rod; 14. a baffle plate; 15. a belt; 81. a slider; 82. a plug; 83. a spring; 84. and a limiting block.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a plastic mould capable of adjusting a flow passage comprises a mould cover plate 1 and a mould base plate 2, wherein a feed inlet 3 is formed in the upper surface of the mould cover plate 1 and used for injecting plastic, a heating plate 4 is arranged on the bottom surface of the mould cover plate 1 to keep the temperature of the plastic, an injection nozzle 5 is formed in the center of the surface of the mould base plate 2, the plastic enters the flow passage 7 through the injection nozzle 5, two sides of the injection nozzle 5 are symmetrically provided with fixed grooves 6 for shaping the plastic, the flow passage 7 is arranged between the fixed grooves 6 to facilitate the plastic to enter the fixed grooves 6, one end, close to the injection nozzle 5, in the flow passage 7 is provided with a check valve 8 for preventing the plastic from flowing back, and the check valve;
the inner wall surface of the flow channel 7 is symmetrically provided with sliding blocks 81 to facilitate the movement of the one-way valve 8, one end of the sliding block 81 close to the injection nozzle 5 is fixedly connected with a plug 82 to prevent plastic from flowing back, a limiting block 84 is arranged on the inner wall surface of the flow channel 7 close to the sliding block 81, and a spring 83 is arranged between the sliding blocks 81 on one side of the plug 82 far away from the injection nozzle 5;
a support 9 is arranged at the center of the bottom of the die bottom plate 2, a motor 10 is arranged at the bottom of the support 9 to provide a power source, a first pulley 11 is arranged at the center of the bottom of the die bottom plate 2 and positioned in the support 9, and second pulleys 12 are symmetrically arranged on two sides of the first pulley 11;
the top of the second pulley 12 is provided with a screw rod 13, a baffle 14 is arranged on the surface of the screw rod 13 close to the flow channel 7, one end of the screw rod 13 penetrates through the bottom walls of the mold bottom plate 2 and the baffle 14 and extends, one end of the baffle 14 penetrates through the bottom of the flow channel 7 and extends inwards, and the baffle 14 is controlled to move vertically through the movement of the screw rod 13, so that the flow speed regulation is realized.
The feed inlet 3 penetrates through the heating plate 4 and is communicated with the injection molding nozzle 5, the opening of the feed inlet 3 is funnel-shaped, so that plastic can be conveniently injected, a through hole is formed in the position, close to the plug 82, of the sliding block 81, so that the plastic can conveniently flow into the flow channel 7, the sliding block 81 is slidably connected with the inner wall of the flow channel 7, so that the sliding block 81 can conveniently slide, the inner wall of the flow channel 7 is embedded into one end of the limiting block 84, the injection molding nozzle 5 is inverted T-shaped, so that plastic shunting is realized, the surface of the spring 83 is slidably connected with the surface of the sliding block 81, the sealing property of the plug 82 is enhanced by the sealing rubber material, one end, close to the limiting block 84, of the spring 83 is fixedly connected with the limiting block 84, a through hole is formed in the center of the limiting block 84, so that the plastic can conveniently pass through, a first, lead screw 13 and mould bottom plate 2, the second through hole has been seted up to the department that runs through of baffle 14, and lead screw 13 outer wall and second through hole inner wall threaded connection realize baffle 14 along lead screw 13 surface vertical motion, the extension end of lead screw 13 rotates with 7 outer walls of runner and is connected and make things convenient for lead screw 13 to rotate, the third through hole has been seted up to the department that runs through of baffle 14 and runner 7, and the outer wall of baffle 14 and the convenient slip of through hole inner wall sliding connection, be connected through belt 15 between first pulley 11 and the second pulley 12, pass through belt 15 transmission when first pulley 11 rotates, make second pulley 12 synchronous rotation.
The working principle is as follows: the utility model discloses plastic mould of adjustable runner, when using at first pour into the plastic into from feed inlet 3, the plastic gets into runner 7 through injection moulding mouth 5, at this moment because pressure, the plastic backs down end cap 82, at this moment end cap 82 drives slider 81 motion and compression spring 83, simultaneously the plastic gets into the check valve 8 inside through the recess of runner 7 and slider 81 surface through-hole, then flow into runner 7 through spring 83 and stopper 84 surface through-hole, flow to the sizing groove 6 at last and stereotype, when needing to adjust the flow, start motor 10, at this moment motor 10 drives first pulley 11 to rotate, transmit through belt 15 simultaneously, make second pulley 12 rotate synchronously, thereby drive lead screw 13 to rotate, baffle 14 moves along lead screw 13 surface vertically at this moment, the old flow space compression in runner 7 of plastic, realize the purpose of adjusting the plastic velocity of flow, after the completion of moulding plastics, due to the reduced pressure, the plug 82 rebounds under the action of the spring 83 to plug the injection port to prevent the plastic from flowing back.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. A plastic mold with an adjustable flow channel comprises a mold cover plate (1) and a mold base plate (2), and is characterized in that a feed inlet (3) is formed in the upper surface of the mold cover plate (1), a heating plate (4) is arranged on the bottom surface of the mold cover plate (1), an injection nozzle (5) is formed in the center of the surface of the mold base plate (2), shaping grooves (6) are symmetrically formed in two sides of the injection nozzle (5), the flow channel (7) is arranged between the shaping grooves (6), a check valve (8) is arranged at one end, close to the injection nozzle (5), in the flow channel (7), and the check valve (8) comprises a sliding block (81), a plug (82), a spring (83) and a limiting block (84);
sliding blocks (81) are symmetrically arranged on the surface of the inner wall of the flow channel (7), one end, close to the injection nozzle (5), of each sliding block (81) is fixedly connected with a plug (82), a limiting block (84) is arranged on the surface of the inner wall of the flow channel (7) close to the corresponding sliding block (81), and a spring (83) is arranged between the sliding blocks (81) on one side, far away from the injection nozzle (5), of each plug (82);
a support (9) is arranged at the center of the bottom of the die bottom plate (2), a motor (10) is arranged at the bottom of the support (9), a first pulley (11) is arranged at the center of the bottom of the die bottom plate (2) and positioned inside the support (9), and second pulleys (12) are symmetrically arranged on two sides of the first pulley (11);
the top of the second pulley (12) is provided with a screw rod (13), a baffle (14) is arranged on the surface of the screw rod (13) close to the runner (7), one end of the screw rod (13) penetrates through the bottom walls of the mold bottom plate (2) and the baffle (14) and extends, and one end of the baffle (14) penetrates through the bottom of the runner (7) and extends inwards.
2. The runner-adjustable plastic mold of claim 1, wherein: feed inlet (3) run through hot plate (4) and are linked together with mouth (5) of moulding plastics, the opening part of feed inlet (3) is the funnel type, slider (81) are close to end cap (82) department and have seted up the through-hole, slider (81) and runner (7) inner wall sliding connection, the inner wall of runner (7) is embedded into in stopper (84) one end, it is the shape of falling T to mould plastics mouth (5).
3. The runner-adjustable plastic mold of claim 1, wherein: the surface of the spring (83) is connected with the surface of the sliding block (81) in a sliding mode, the plug (82) is made of sealing rubber, one end, close to the limiting block (84), of the spring (83) is fixedly connected with the limiting block (84), and a through hole is formed in the center of the limiting block (84).
4. The runner-adjustable plastic mold of claim 1, wherein: the rotating shaft of the motor (10) penetrates through the support (9) and a first through hole is formed in the penetrating position, the surface of the rotating shaft of the motor (10) is rotatably connected with the inner wall of the first through hole, and the bottom surface of the die bottom plate (2) is rotatably connected with the first pulley (11) and the second pulley (12).
5. The runner-adjustable plastic mold of claim 1, wherein: and a second through hole is formed in the penetrating position of the screw rod (13) and the die bottom plate (2) and the baffle (14), the outer wall of the screw rod (13) is in threaded connection with the inner wall of the second through hole, and the extending end of the screw rod (13) is rotatably connected with the outer wall of the flow channel (7).
6. The runner-adjustable plastic mold of claim 1, wherein: a third through hole is formed in the penetrating position of the baffle (14) and the flow channel (7), the outer wall of the baffle (14) is connected with the inner wall of the through hole in a sliding mode, and the first pulley (11) is connected with the second pulley (12) through a belt (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724553.9U CN213704370U (en) | 2020-08-18 | 2020-08-18 | Plastic mould with adjustable runner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021724553.9U CN213704370U (en) | 2020-08-18 | 2020-08-18 | Plastic mould with adjustable runner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213704370U true CN213704370U (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021724553.9U Active CN213704370U (en) | 2020-08-18 | 2020-08-18 | Plastic mould with adjustable runner |
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| Country | Link |
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| CN (1) | CN213704370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116834198A (en) * | 2023-06-27 | 2023-10-03 | 宁波优诺姆机械有限公司 | Extrusion and injection integrated injection molding machine |
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2020
- 2020-08-18 CN CN202021724553.9U patent/CN213704370U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116834198A (en) * | 2023-06-27 | 2023-10-03 | 宁波优诺姆机械有限公司 | Extrusion and injection integrated injection molding machine |
| CN116834198B (en) * | 2023-06-27 | 2024-03-08 | 宁波优诺姆机械有限公司 | Extrusion and injection integrated injection molding machine |
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