CN220429126U - Sprue structure for solving air mark defect of sprue of injection molding product - Google Patents
Sprue structure for solving air mark defect of sprue of injection molding product Download PDFInfo
- Publication number
- CN220429126U CN220429126U CN202321562323.0U CN202321562323U CN220429126U CN 220429126 U CN220429126 U CN 220429126U CN 202321562323 U CN202321562323 U CN 202321562323U CN 220429126 U CN220429126 U CN 220429126U
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- gate
- fixedly connected
- injection molding
- fixed bin
- upper die
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- 230000007547 defect Effects 0.000 title claims abstract description 25
- 238000001746 injection moulding Methods 0.000 title claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 230000006978 adaptation Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 12
- 239000000243 solution Substances 0.000 abstract description 5
- 239000003292 glue Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 238000005491 wire drawing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to a pouring gate structure for solving the problem of air mark defect of a pouring gate of an injection molding product, which comprises a lower die and an upper die, wherein the top of the upper die is fixedly connected with a pouring gate frame, an adjusting component is arranged on the pouring gate frame, a cutting component is arranged on the upper die, the adjusting component comprises a fixed bin fixedly connected with the top of the upper die, the front surface of the fixed bin is rotatably connected with a second threaded rod, and the inside of the fixed bin is fixedly connected with a limiting rod. This solve runner structure of injection molding product gate gas mark defect through setting up adjusting part, when the plastic liquid pours through the runner frame on the last mould, can adjust the position of runner frame left and right sides baffle, changes the diameter of runner frame inner channel, controls the velocity of flow when the plastic liquid pours, and then reduces because of the plastic glue solution is too fast at the runner in-process flow, causes the condition of the plastic defect such as plastic part surface production gas mark, spouts mark and sink mark.
Description
Technical Field
The utility model relates to the technical field of injection mold gates, in particular to a gate structure for solving the problem of air mark defects of a gate of an injection product.
Background
The gate, also called the inlet, is the section of the channel from the runner to the mold cavity, which is the smallest and shortest section of the gating system, and the gate, often referred to generally as the gating system, is the inlet and channel for the liquid plastic into the mold during the pouring of the plastic mold in the middle finger of the casting, and serves to accelerate the feeding by constricting the flow surface.
For example, the publication number CN216230544U proposes a gate structure of injection mold, comprising an upper movable mold base, the bottom of the upper movable mold base is sequentially provided with a first-stage connecting plate, a second-stage connecting plate and a movable mold plate, the inside of the first-stage connecting plate, the second-stage connecting plate and the movable mold plate is clamped with a locking bolt, the top of the first-stage connecting plate is clamped with an electric heating plate and an upper heat insulation plate, but in the injection molding process, the speed of the plastic liquid entering the injection mold cannot be changed due to the fixed size of the gate, so that the plastic liquid flows too fast in the process of passing through the gate, and the injection molding defects such as air marks, spray marks and shrink marks are generated on the surface of the plastic part, so that the gate structure for solving the air marks of the gate of the injection molding product is proposed to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a gate structure for solving the defects of gate gas marks of injection products, has the advantages of reducing defects and the like, and solves the problems that the speed of glue solution entering an injection mold cannot be changed, so that the flow speed of the glue solution is too high in the process of passing through the gate, and the injection defects such as gas marks, spray marks, sink marks and the like are generated on the surface of a plastic part.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the pouring gate structure for solving the problem of air mark defect of a pouring gate of an injection molding product comprises a lower die and an upper die, wherein the top of the upper die is fixedly connected with a pouring gate frame, an adjusting component is arranged on the pouring gate frame, and a cutting component is arranged on the upper die;
the adjusting component comprises a fixed bin fixedly connected with the top of the upper die, a second threaded rod is rotationally connected to the front of the fixed bin, a limiting rod is fixedly connected to the inside of the fixed bin, a movable block is connected to the outer side of the second threaded rod in a threaded manner, support rods are hinged to the left side and the right side of the movable block, sliding rods are fixedly connected to the inside of the fixed bin, two sliding blocks are connected to the outer side of the sliding rods in a threaded manner, fixed blocks are fixedly connected to the left side and the right side of the gate frame, a baffle is connected to the inner side of the fixed block in a sliding manner, and a connecting rod is fixedly connected to one side of the baffle away from the gate frame;
the cutting assembly comprises a rotating cylinder which is rotationally connected with the right side of the upper die, a cutting plate is slidably connected in the upper die, and a first threaded rod is fixedly connected to the right side of the cutting plate.
Further, one end of the second threaded rod penetrates through the fixed bin and is rotationally connected with the inner wall of the back of the fixed bin, and one end of the supporting rod is hinged to the top of the sliding block.
Further, the inside of movable block is offered and is connected with the screw thread through-hole of second threaded rod threaded connection, the inside of movable block is offered and is had the spacing through-hole with gag lever post size looks adaptation.
Further, sliding through holes matched with the sliding rod in size are formed in the sliding block, and movable holes matched with the sliding block in width are formed in the back of the fixed bin, wherein the number of the movable holes is two.
Further, one end of the baffle plate penetrates through and extends to the inside of the gate frame, and the front face of the connecting rod is fixedly connected with the back face of the sliding block.
Further, the inside of the rotary cylinder is provided with a thread groove in threaded connection with the first threaded rod, and one end of the cutting plate penetrates through and extends to the inside of the pouring gate frame.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this solve runner structure of injection molding product gate gas mark defect through setting up adjusting part, when the plastic liquid pours through the runner frame on the last mould, can adjust the position of runner frame left and right sides baffle, changes the diameter of runner frame inner channel, controls the velocity of flow when the plastic liquid pours, and then reduces because of the plastic glue solution is too fast at the runner in-process flow, causes the condition of the plastic defect such as plastic part surface production gas mark, spouts mark and sink mark.
2. This solve runner structure of injection molding product gate gas mark defect through setting up cutting assembly, accomplishes the back through rotatory section of thick bamboo drive cutting board and remove to the left through the pouring of plastic liquid, cuts off the liquid that the runner frame bottom was glued to block up runner structure department, reduce the phenomenon that the wire drawing appears in the adhesion of plastic liquid longer appears, guaranteed injection mold's finished product quality.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top cross-sectional view of the stationary bin structure of the utility model;
fig. 3 is a schematic view of the back of the structure of the present utility model.
In the figure: 1 lower mould, 2 upper mould, 3 runner frame, 4 fixed bin, 5 cutting board, 6 first threaded rod, 7 rotary cylinder, 8 fixed block, 9 baffle, 10 connecting rod, 11 second threaded rod, 12 gag lever post, 13 slide bar, 14 movable block, 15 slide block, 16 bracing piece.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one: referring to fig. 1-3, a gate structure for solving a gate mark defect of an injection product in this embodiment includes a lower mold 1 and an upper mold 2, a gate frame 3 is fixedly connected to a top of the upper mold 2, an adjusting component is disposed on the gate frame 3, and a cutting component is disposed on the upper mold 2.
The adjusting part includes the fixed bin 4 with last 2 top fixed connection of mould, fixed bin 4 is located the front of runner frame 3, the front rotation of fixed bin 4 is connected with second threaded rod 11, second threaded rod 11 one end runs through fixed bin 4 and rotates with the back inner wall of fixed bin 4 to be connected, the inside fixedly connected with gag lever post 12 of fixed bin 4, the outside threaded connection of second threaded rod 11 has movable block 14, the inside of movable block 14 has offered the threaded through-hole with second threaded rod 11 threaded connection, the inside of movable block 14 has offered the spacing through-hole with gag lever post 12 size looks adaptation, the left and right sides of movable block 14 all articulates there is connecting rod 16, the inside fixedly connected with slide bar 13 of fixed bin 4, the outside threaded connection of slide bar 13 has sliding block 15 that is two in quantity, the inside of sliding block 15 has been offered with the slide through-hole of sliding bar 13 size looks adaptation, the inside of fixed bin 4 has been offered the quantity and is two and with the movable hole of sliding block 15 width looks adaptation, the one end of connecting rod 16 articulates with the top of sliding block 15, the equal fixedly connected with 8 of runner frame 3 the inside of runner frame 8 and the inside of fixed block 8 and the fixed block 9 of runner frame is kept away from to the inside of runner frame 9, the inside of the runner frame is connected with the connecting rod 9, the runner frame is kept away from to the inside of the runner frame is 9, the runner frame is connected with the inside of the runner frame is 9.
It should be noted that, through setting up adjusting part, when the plastic liquid is poured through the runner frame 3 on the upper mould 2, can adjust the position of runner frame 3 left and right sides baffle 9, change the diameter of runner frame 3 internal passage, the velocity of flow when pouring to the plastic liquid is controlled, and then reduce because of the plastic liquid flows fast too in the runner in-process, cause the condition of plastic part surface to produce defects such as gas mark, spouting mark and shrink print.
Embodiment two: referring to fig. 1, on the basis of the first embodiment, the cutting assembly includes a rotary drum 7 rotatably connected to the right side of the upper mold 2, a cutting plate 5 is slidably connected to the inside of the upper mold 2, a first threaded rod 6 is fixedly connected to the right side of the cutting plate 5, a thread groove is formed in the rotary drum 7 and is in threaded connection with the first threaded rod 6, and one end of the cutting plate 5 penetrates through and extends to the inside of the gate frame 3.
It should be noted that, through setting up cutting assembly, after the pouring of plastic liquid is accomplished, drive cutting board 5 through rotatory rotation section of thick bamboo 7 and remove to the left, cut off the liquid that pouring gate frame 3 bottom was glued to block up pouring gate structure department, reduce the phenomenon that the longer wire drawing of appearance plastic liquid adhesion appears, guaranteed injection mold's finished product quality.
The working principle of the embodiment is as follows:
this solve runner structure of injection molding product gate gas mark defect, when the plastic liquid is poured through the runner frame 3 on the upper mould 2, through rotating second threaded rod 11, it is spacing to movable block 14 by gag lever post 12, drive movable block 14 and remove in the second threaded rod 11 outside, movable block 14 drives the bracing piece 16 of both sides and removes, the one end of bracing piece 16 promotes sliding block 15 and slides on sliding rod 13, make two sliding blocks 15 to relative or opposite side remove, sliding block 15 drives baffle 9 that is connected with connecting rod 10 and removes, the diameter of runner frame 3 internal channel is changed, the velocity of flow when pouring to the plastic liquid is controlled, and then reduce because of the plastic liquid is too fast in the runner in-process flow, cause the condition of plastic part surface to produce gas mark, spout the condition of mark and shrink mark etc. injection molding defect, after the plastic liquid pouring is accomplished, through rotatory rotary drum 7, make first threaded rod 6 extend, drive cutting board 5 and cut off the liquid that the runner frame 3 bottom sticks up, and hold the runner structure, the plastic liquid adhesion that appears, the wire drawing finished product quality of wire drawing has been guaranteed, the user's convenience.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Solves runner structure of injection molding gate gas mark defect, including bed die (1) and last mould (2), its characterized in that: the top of the upper die (2) is fixedly connected with a gate frame (3), an adjusting component is arranged on the gate frame (3), and a cutting component is arranged on the upper die (2);
the adjusting component comprises a fixed bin (4) fixedly connected with the top of the upper die (2), a second threaded rod (11) is rotationally connected to the front of the fixed bin (4), a limiting rod (12) is fixedly connected to the inside of the fixed bin (4), a movable block (14) is connected to the outer side of the second threaded rod (11) in a threaded mode, support rods (16) are hinged to the left side and the right side of the movable block (14), sliding rods (13) are fixedly connected to the inside of the fixed bin (4), sliding blocks (15) with two numbers are connected to the outer side of the sliding rods (13) in a threaded mode, fixed blocks (8) are fixedly connected to the left side and the right side of the gate frame (3), a baffle (9) is connected to the inner side, far away from the gate frame (3), of the baffle (9), and a connecting rod (10) is fixedly connected to one side of the baffle (9);
the cutting assembly comprises a rotating cylinder (7) which is rotationally connected with the right side of the upper die (2), a cutting plate (5) is slidably connected in the upper die (2), and a first threaded rod (6) is fixedly connected with the right side of the cutting plate (5).
2. The gate structure for solving the gate mark defect of injection molding products according to claim 1, wherein: one end of the second threaded rod (11) penetrates through the fixed bin (4) and is rotationally connected with the inner wall of the back of the fixed bin (4), and one end of the supporting rod (16) is hinged with the top of the sliding block (15).
3. The gate structure for solving the gate mark defect of injection molding products according to claim 1, wherein: the inside of movable block (14) is offered and is connected with second threaded rod (11) threaded through-hole, the inside of movable block (14) is offered and is had limit through-hole with gag lever post (12) size looks adaptation.
4. The gate structure for solving the gate mark defect of injection molding products according to claim 1, wherein: the inside of sliding block (15) is offered and is had the slip through-hole with sliding rod (13) size looks adaptation, the back in fixed storehouse (4) is offered and is two and with the movable hole of sliding block (15) width looks adaptation.
5. The gate structure for solving the gate mark defect of injection molding products according to claim 1, wherein: one end of the baffle plate (9) penetrates through and extends to the inside of the pouring gate frame (3), and the front surface of the connecting rod (10) is fixedly connected with the back surface of the sliding block (15).
6. The gate structure for solving the gate mark defect of injection molding products according to claim 2, wherein: the inside of the rotary cylinder (7) is provided with a thread groove in threaded connection with the first threaded rod (6), and one end of the cutting plate (5) penetrates through and extends to the inside of the pouring gate frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321562323.0U CN220429126U (en) | 2023-06-19 | 2023-06-19 | Sprue structure for solving air mark defect of sprue of injection molding product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321562323.0U CN220429126U (en) | 2023-06-19 | 2023-06-19 | Sprue structure for solving air mark defect of sprue of injection molding product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220429126U true CN220429126U (en) | 2024-02-02 |
Family
ID=89692276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321562323.0U Active CN220429126U (en) | 2023-06-19 | 2023-06-19 | Sprue structure for solving air mark defect of sprue of injection molding product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220429126U (en) |
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2023
- 2023-06-19 CN CN202321562323.0U patent/CN220429126U/en active Active
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