CN221562146U - Left and right baffle injection mold of left and right sleeper sundries box of automobile - Google Patents
Left and right baffle injection mold of left and right sleeper sundries box of automobile Download PDFInfo
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- CN221562146U CN221562146U CN202323081391.8U CN202323081391U CN221562146U CN 221562146 U CN221562146 U CN 221562146U CN 202323081391 U CN202323081391 U CN 202323081391U CN 221562146 U CN221562146 U CN 221562146U
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- 238000002347 injection Methods 0.000 title claims abstract description 59
- 239000007924 injection Substances 0.000 title claims abstract description 59
- 241001669679 Eleotris Species 0.000 title claims abstract description 14
- 238000001746 injection moulding Methods 0.000 claims abstract description 97
- 238000005520 cutting process Methods 0.000 claims abstract description 45
- 238000007599 discharging Methods 0.000 claims abstract description 38
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
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Abstract
The utility model provides an injection mold for left and right baffles of a left and right sleeper sundries box of an automobile, which belongs to the technical field of injection molds for automobile parts and aims to solve the problems that the follow-up cutting treatment is needed to be carried out on the connecting positions of the left and right baffles of the sundries box due to the fact that the residual materials of a connecting channel exist between the left and right baffles of the existing sundries box, and the operation steps are more; comprising the following steps: the device comprises an injection bottom die, an injection top die, an injection hole, an injection molding groove, an ejection cylinder, a discharge guide plate, an injection ejection mechanism and an injection guide mechanism; the injection molding top die is arranged in front of the injection molding bottom die; the injection hole is formed in the middle of the rear end of the injection top die; the ejection cylinder is fixedly connected to the inside of the injection molding bottom die; the discharging guide plate is rotationally connected below the injection molding bottom die; the injection ejection mechanism is arranged in the injection bottom die, so that the separation of the left baffle plate and the right baffle plate is realized, the operation steps are reduced, and the production efficiency of the left baffle plate and the right baffle plate is improved.
Description
Technical Field
The utility model belongs to the technical field of injection molds of automobile parts, and particularly relates to an injection mold for left and right baffles of left and right sleeper impurity boxes of an automobile.
Background
In the processing production of auto parts, many plastics interior trim need use injection mold to carry out injection moulding, when moulding plastics to debris box left and right baffle, generally use injection mold to carry out simultaneous injection moulding to debris box left and right baffle, make the interior direct production debris box left and right baffle of simultaneous production of a set of injection mold.
The prior application number is: CN202220584723.0 is an injection mold for a sundry box at the armrest position in an automobile, comprising a fixed mold part and a movable mold part, wherein the fixed mold part comprises a front mold bottom plate, a front mold plate and a front mold core which are sequentially connected; a core-pulling sliding block is slidably arranged on a sliding groove positioned on one side of the front mould core on the front mould plate, and the inner end of the core-pulling sliding block is inserted into the front mould core; the core-pulling device is characterized in that a core-pulling oil cylinder is arranged on one side of the front template, a T-shaped clamping groove is formed in the outer end of the core-pulling sliding block, the front end of a cylinder rod of the core-pulling oil cylinder is slidably clamped in the T-shaped clamping groove through the T-shaped sliding block, a sliding gap is formed between the T-shaped sliding block and the T-shaped clamping groove, retaining wedges are symmetrically slidably arranged on two sides of the T-shaped clamping groove on the core-pulling sliding block, and when the T-shaped sliding block is propped against the inner end of the T-shaped clamping groove, the retaining wedges can be pushed to extend out from two sides of the core-pulling sliding block and be clamped into V-shaped clamping grooves formed in two sides of the T-shaped clamping groove. The core-pulling sliding block can be locked after the die is assembled, so that the phenomenon that the core-pulling sliding block is extruded and retreated by injection molding pressure to cause the surface of a product to be poor in stage is avoided, and the quality of the product is ensured.
Based on the above, when the baffle is moulded plastics about to the debris box in the current, because the baffle is simultaneously moulded about the debris box, can have the clout of connecting channel about leading to between the baffle of debris box, lead to follow-up needs to cut the processing to the junction of baffle about the debris box, and operating procedure is more, influences the production efficiency of baffle about the debris box.
Disclosure of utility model
In order to solve the technical problems, the utility model provides an injection mold for left and right baffles of a left and right sleeper glove box of an automobile, which is used for solving the problems that when the left and right baffles of the glove box are subjected to injection molding, as the left and right baffles of the glove box are molded simultaneously, the left and right baffles of the glove box can have surplus materials of connecting channels, the subsequent cutting treatment is required to be carried out on the connecting positions of the left and right baffles of the glove box, the operation steps are more, and the production efficiency of the left and right baffles of the glove box is affected.
The utility model discloses a purpose and an effect of an injection mold for left and right baffles of left and right sleeper sundries boxes of an automobile, which are achieved by the following specific technical means:
Left and right baffle injection mold of sleeper debris box about car includes: the device comprises an injection bottom die, an injection top die, an injection hole, an injection molding groove, an ejection cylinder, a discharge guide plate, an injection ejection mechanism and an injection guide mechanism;
the injection molding top die is arranged in front of the injection molding bottom die;
the injection hole is formed in the middle of the rear end of the injection top die;
the two groups of injection molding grooves are formed in the front end of the injection molding bottom die and are communicated through grooves;
the ejection cylinder is fixedly connected to the inside of the injection molding bottom die;
the discharging guide plate is rotationally connected below the injection molding bottom die;
the injection ejection mechanism is arranged in the injection bottom die;
The injection molding guide mechanism is arranged below the injection molding bottom die.
Further, the injection ejection mechanism comprises: an ejection connecting plate and an ejection pin;
Two groups of ejection connecting plates are arranged in total and are respectively connected to the left side and the right side of the inside of the injection molding bottom die in a sliding manner;
The ejector pins are provided with a plurality of groups, the ejector pins are respectively and slidably connected in the injection molding bottom die, and the ejector pins are respectively and fixedly connected at the front end of the ejector connecting plate.
Further, the injection ejection mechanism comprises: cutting the limiting ring and ejecting the cutting piece;
the two groups of cutting limiting rings are of semicircular structures and are fixedly connected to the front of the injection molding bottom die respectively, and the two groups of cutting limiting rings are arranged at the front ends of grooves of the injection molding grooves;
The two groups of ejection cutting pieces are arranged in the injection molding bottom die in a sliding mode, the front ends of the two groups of ejection cutting pieces are provided with cutting knife structures, the rear ends of the two groups of ejection cutting pieces are fixedly connected with the ejection connecting plate, and the rear ends of the two groups of ejection cutting pieces are fixedly connected with the piston rod of the ejection cylinder.
Further, the injection ejection mechanism comprises: the device comprises a limiting guide groove and a limiting guide post;
three groups of limit guide grooves are arranged in total, and the three groups of limit guide grooves are all arranged in front of the injection molding bottom die;
The three groups of limit guide posts are respectively and fixedly connected to the rear end of the injection molding top die, and correspond to the positions of the three groups of limit guide slots.
Further, injection molding guide mechanism includes: a guide driving connecting rod and a separation plate;
The two groups of guide driving connecting rods are hinged to the left side and the right side below the injection molding top die respectively, and the lower ends of the two groups of guide driving connecting rods are hinged to the discharging guide plate;
The division plate is fixedly connected to the middle position of the discharging guide plate.
Further, injection molding guide mechanism includes: the device comprises a first discharging gear, a second discharging gear, a vibration gear lever, a vibration knocking spring and a vibration knocking ball;
The first discharging gears are arranged in two groups, and the two groups of first discharging gears are respectively and coaxially fixedly connected to the outer sides of the discharging guide plates;
The two groups of second unloading gears are respectively connected to the left side and the right side of the injection bottom die in a rotating way, and are meshed with the first unloading gears;
The two groups of vibration baffle rods are respectively fixedly connected to the left side and the right side of the injection molding bottom die;
the two groups of vibration knocking springs are respectively and fixedly connected to the outer side of the rotating shaft of the second discharging gear;
The vibration striking balls are arranged in two groups, and the two groups of vibration striking balls are respectively and fixedly connected to the outer sides of the vibration striking springs.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, through the arrangement of the injection molding ejection mechanism, when the left baffle plate and the right baffle plate are required to be taken out of the mold, the air cylinder is opened at the moment, the piston rod of the air cylinder pushes the ejection connecting plate forwards, the ejection connecting plate forwards moves to drive the ejection needle to forwards move, the ejection needle forwards moves to eject the left baffle plate and the right baffle plate, the unloading operation of the left baffle plate and the right baffle plate is convenient, the manual operation is reduced, and the production efficiency of the left baffle plate and the right baffle plate is improved.
According to the utility model, through the arrangement of the ejection cutting piece, when the left baffle plate and the right baffle plate are ejected, the piston rod is driven by the piston rod of the cylinder, the piston rod moves forward to drive the ejection cutting piece to move forward, and the ejection cutting piece moves forward to form cutting of the residual materials in the injection molding connecting channel together with the cutting limiting ring, so that the separation of the left baffle plate and the right baffle plate is realized, the subsequent manual separation of the left baffle plate and the right baffle plate is avoided, the operation steps are reduced, and the production efficiency of the left baffle plate and the right baffle plate is improved.
According to the utility model, through the arrangement of the injection molding guide mechanism, when the injection molding is completed into the mold, the top mold drives the guide driving connecting rod to rotate at the moment through the driving of the top mold, the guide driving connecting rod rotates to drive the discharging guide plate to rotate, the discharging guide plate rotates to realize the material receiving operation, the left baffle plate and the right baffle plate can be discharged along the discharging guide plate, the subsequent collection of the left baffle plate and the right baffle plate is facilitated, meanwhile, the gear is driven to rotate when the discharging guide plate rotates, the knocking ball is driven to rotate through the rotation of the gear, the knocking ball is knocked on the baffle rod in the rotating process, the baffle rod is knocked to generate vibration, the baffle rod vibration drives the bottom mold to vibrate, the bottom mold vibration enables the bottom mold to be separated from the left baffle plate and the right baffle plate, the sticking materials are avoided, and the production quality of the left baffle plate and the right baffle plate is ensured.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of a limit guide post structure according to the present utility model.
Fig. 3 is a schematic view of a guide driving link structure of the present utility model.
Fig. 4 is a schematic structural view of a cutting stop collar according to the present utility model.
Fig. 5 is a schematic structural view of an injection ejection mechanism of the present utility model.
Fig. 6 is a schematic structural view of an injection molding guide mechanism of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. Injection molding of the bottom die; 101. ejecting the connecting plate; 102. an ejector pin; 103. cutting a limiting ring; 104. ejecting the cutting member; 105. a limiting guide groove; 106. limiting guide posts; 2. injection molding of a top mold; 3. injection molding holes; 4. an injection molding groove; 5. an ejection cylinder; 6. a discharging guide plate; 601. a guide driving connecting rod; 602. a partition plate; 603. a first discharge gear; 604. a second discharge gear; 605. vibrating the gear lever; 606. vibrating the knocking spring; 607. vibrating the striking ball.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Embodiment one:
As shown in fig. 1 to 5:
The utility model provides an injection mold for left and right baffles of left and right sleeper sundries boxes of an automobile, which comprises the following components: the injection molding machine comprises an injection molding bottom die 1, an injection molding top die 2, an injection molding hole 3, an injection molding groove 4, an ejection cylinder 5, a discharge guide plate 6 and an injection molding ejection mechanism;
the injection top die 2 is arranged in front of the injection bottom die 1;
the injection hole 3 is formed in the middle of the rear end of the injection top die 2;
The two groups of injection molding grooves 4 are arranged, the two groups of injection molding grooves 4 are arranged at the front end of the injection molding bottom die 1, and the two groups of injection molding grooves 4 are communicated through grooves;
The ejection cylinder 5 is fixedly connected in the injection molding bottom die 1;
The discharging guide plate 6 is rotationally connected below the injection molding bottom die 1;
The injection ejection mechanism is arranged in the injection bottom die 1.
Wherein, ejection mechanism moulds plastics including: the ejector connecting plate 101, the ejector pin 102, the cutting limiting ring 103, the ejector cutting member 104, the limiting guide groove 105 and the limiting guide post 106;
Two groups of ejection connecting plates 101 are arranged, and the two groups of ejection connecting plates 101 are respectively and slidably connected to the left side and the right side of the inside of the injection molding bottom die 1;
the ejector pins 102 are provided with a plurality of groups, the ejector pins 102 are respectively and slidably connected in the injection molding bottom die 1, and the ejector pins 102 are respectively and fixedly connected at the front end of the ejector connecting plate 101;
The two groups of cutting limiting rings 103 are arranged in total, the two groups of cutting limiting rings 103 are of semicircular structures, the two groups of cutting limiting rings 103 are respectively and fixedly connected to the front of the injection molding bottom die 1, and the two groups of cutting limiting rings 103 are arranged at the front ends of grooves of the injection molding grooves 4;
The two groups of ejection cutting pieces 104 are arranged in total, the two groups of ejection cutting pieces 104 are respectively and slidably connected in the injection molding bottom die 1, the front ends of the two groups of ejection cutting pieces 104 are respectively provided with a cutting knife structure, the rear ends of the two groups of ejection cutting pieces 104 are respectively and fixedly connected with the ejection connecting plate 101, and the rear ends of the two groups of ejection cutting pieces 104 are respectively and fixedly connected with the piston rod of the ejection cylinder 5;
Three groups of limit guide grooves 105 are arranged in total, and the three groups of limit guide grooves 105 are all arranged in front of the injection molding bottom die 1;
The three groups of limit guide posts 106 are arranged in total, the three groups of limit guide posts 106 are respectively and fixedly connected to the rear end of the injection molding top die 2, and the three groups of limit guide posts 106 correspond to the positions of the three groups of limit guide slots 105.
In use, when the left and right molded baffles are required to be taken out, the ejection cylinder 5 is opened at this moment, the piston rod of the ejection cylinder 5 moves forward to drive the ejection cutting member 104 to move forward, at this moment, the connection part between the ejection cutting member 104 and the cutting limiting ring 103 and the injection molding member is sheared, at this moment, separation of the left and right baffles is realized, meanwhile, the ejection cutting member 104 moves forward to drive the ejection connecting plate 101 to move forward, the ejection connecting plate 101 moves forward to drive the ejection needle 102 to move forward, the ejection needle 102 moves forward to eject the left and right baffles out of the mold, at this moment, material taking operation is facilitated, separation of the left and right baffles by subsequent workers is avoided, operation of workers is reduced, working efficiency is improved, and meanwhile, the design of the three groups of limiting guide grooves 105 and limiting guide posts 106 facilitates cleaning and maintenance of the inside of the molding grooves by subsequent workers.
Embodiment two:
On the basis of the first embodiment, as shown in fig. 1 to 6, the injection molding machine further comprises an injection molding guide mechanism, wherein the injection molding guide mechanism is arranged below the injection molding bottom die 1,
Wherein, injection molding guide mechanism includes: a guide driving connecting rod 601, a partition plate 602, a first discharging gear 603, a second discharging gear 604, a vibration lever 605, a vibration striking spring 606 and a vibration striking ball 607;
two groups of guide driving connecting rods 601 are arranged in total, the two groups of guide driving connecting rods 601 are respectively hinged to the left side and the right side below the injection molding top die 2, and the lower ends of the two groups of guide driving connecting rods 601 are both hinged to the discharging guide plate 6;
The separation plate 602 is fixedly connected to the middle position of the discharge guide plate 6;
the first discharging gears 603 are provided with two groups, and the two groups of first discharging gears 603 are respectively and coaxially fixedly connected to the outer side of the discharging guide plate 6;
Two groups of second unloading gears 604 are arranged, the two groups of second unloading gears 604 are respectively connected to the left side and the right side of the injection bottom die 1 in a rotating way, and the two groups of second unloading gears 604 are meshed with the first unloading gears 603;
The two groups of vibration baffle rods 605 are arranged in total, and the two groups of vibration baffle rods 605 are fixedly connected to the left side and the right side of the injection molding bottom die 1 respectively;
The vibrating and knocking springs 606 are arranged in two groups, and the two groups of vibrating and knocking springs 606 are fixedly connected to the outer side of the rotating shaft of the second discharging gear 604 respectively;
The vibrating striking balls 607 are provided in two groups, and the two groups of vibrating striking balls 607 are respectively and fixedly connected to the outer sides of the vibrating striking springs 606.
In use, when the mold separation is performed, the injection molding top mold 2 moves forward at this moment, the injection molding top mold 2 moves forward to drive the guide driving connecting rod 601 to rotate, the guide driving connecting rod 601 rotates to drive the discharging guide plate 6 to swing, at this moment, the left and right molded baffles can fall onto the discharging guide plate 6, the guiding of the left and right baffles is realized by the discharging guide plate 6, the subsequent collection of the left and right baffles is facilitated, the left and right baffles are separated by the separating plate 602, the classification of the left and right baffles is facilitated, the rotation of the discharging guide plate 6 also drives the first discharging gear 603 to rotate, the rotation of the first discharging gear 603 drives the second discharging gear 604 to rotate, the rotation of the second discharging gear 604 drives the vibration knocking spring 606 to rotate, the vibration knocking ball 607 rotates to realize the knocking of the vibration baffle rod 605, the injection molding bottom mold 1 vibrates, the left and right baffles are not clung to the injection molding bottom mold 1 any more, and the subsequent ejection of the left and right baffles is facilitated.
Claims (6)
1. Left and right baffle injection mold of sleeper debris box about car includes: the injection molding machine comprises an injection molding bottom die (1), an injection molding top die (2), an injection molding hole (3), an injection molding groove (4), an ejection cylinder (5), a discharging guide plate (6), an injection molding ejection mechanism and an injection molding guide mechanism; the injection molding top die (2) is arranged in front of the injection molding bottom die (1); the injection hole (3) is formed in the middle of the rear end of the injection top die (2); the method is characterized in that: the two groups of injection molding grooves (4) are arranged in total, the two groups of injection molding grooves (4) are all arranged at the front end of the injection molding bottom die (1), and the two groups of injection molding grooves (4) are communicated through grooves; the ejection cylinder (5) is fixedly connected to the inside of the injection molding bottom die (1); the discharging guide plate (6) is rotationally connected below the injection molding bottom die (1); the injection ejection mechanism is arranged in the injection bottom die (1); the injection molding guide mechanism is arranged below the injection molding bottom die (1).
2. The left and right baffle injection mold of a left and right sleeper impurity box for an automobile as claimed in claim 1, wherein: the injection ejection mechanism comprises: an ejector connecting plate (101) and an ejector pin (102); two groups of ejection connecting plates (101) are arranged in total, and the two groups of ejection connecting plates (101) are respectively and slidably connected to the left side and the right side of the inside of the injection molding bottom die (1); the injection molding machine is characterized in that a plurality of groups of ejector pins (102) are arranged, the ejector pins (102) are respectively and slidably connected in the injection molding bottom die (1), and the ejector pins (102) are respectively and fixedly connected to the front ends of the ejector connecting plates (101).
3. The left and right baffle injection mold of a left and right sleeper impurity box for an automobile as claimed in claim 1, wherein: the injection ejection mechanism comprises: a cutting limit ring (103) and an ejection cutting piece (104); the two groups of cutting limiting rings (103) are arranged in total, the two groups of cutting limiting rings (103) are of semicircular structures, the two groups of cutting limiting rings (103) are respectively and fixedly connected to the front of the injection molding bottom die (1), and the two groups of cutting limiting rings (103) are arranged at the front ends of grooves of the injection molding grooves (4); the front end is provided with a cutter structure the ejecting cutting pieces (104) are provided with two groups altogether, the two groups of ejecting cutting pieces (104) are respectively in sliding connection with the inside of the injection molding bottom die (1), the rear ends of the two groups of ejecting cutting pieces (104) are fixedly connected with the ejecting connecting plate (101), and the rear ends of the two groups of ejecting cutting pieces (104) are fixedly connected with the piston rod of the ejecting cylinder (5).
4. The left and right baffle injection mold of a left and right sleeper impurity box for an automobile as claimed in claim 1, wherein: the injection ejection mechanism comprises: a limit guide groove (105) and a limit guide post (106); three groups of limit guide grooves (105) are arranged in total, and the three groups of limit guide grooves (105) are all arranged in front of the injection molding bottom die (1); the three groups of limit guide posts (106) are arranged in total, the three groups of limit guide posts (106) are respectively and fixedly connected to the rear end of the injection molding top die (2), and the three groups of limit guide posts (106) correspond to the positions of the three groups of limit guide grooves (105).
5. The left and right baffle injection mold of a left and right sleeper impurity box for an automobile as claimed in claim 1, wherein: the injection molding guide mechanism comprises: a guide driving connecting rod (601) and a separation plate (602); two groups of guide driving connecting rods (601) are arranged in total, the two groups of guide driving connecting rods (601) are respectively hinged to the left side and the right side below the injection top die (2), and the lower ends of the two groups of guide driving connecting rods (601) are both hinged to the discharging guide plate (6); the separation plate (602) is fixedly connected to the middle position of the discharging guide plate (6).
6. The injection mold for the left and right baffles of the left and right sleeper impurity boxes of the automobile as set forth in claim 5, wherein: the injection molding guide mechanism comprises: a first discharging gear (603), a second discharging gear (604), a vibrating lever (605), a vibrating striking spring (606) and a vibrating striking ball (607); two groups of first unloading gears (603) are arranged in total, and the two groups of first unloading gears (603) are respectively and coaxially fixedly connected to the outer side of the unloading guide plate (6); two groups of second unloading gears (604) are arranged in total, the two groups of second unloading gears (604) are respectively connected to the left side and the right side of the injection bottom die (1) in a rotating way, and the two groups of second unloading gears (604) are meshed with the first unloading gears (603); two groups of vibration baffle rods (605) are arranged in total, and the two groups of vibration baffle rods (605) are fixedly connected to the left side and the right side of the injection molding bottom die (1) respectively; two groups of vibration knocking springs (606) are arranged in total, and the two groups of vibration knocking springs (606) are fixedly connected to the outer side of a rotating shaft of the second discharging gear (604) respectively; the two groups of vibrating striking balls (607) are arranged in total, and the two groups of vibrating striking balls (607) are respectively and fixedly connected to the outer sides of the vibrating striking springs (606).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323081391.8U CN221562146U (en) | 2023-11-15 | 2023-11-15 | Left and right baffle injection mold of left and right sleeper sundries box of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323081391.8U CN221562146U (en) | 2023-11-15 | 2023-11-15 | Left and right baffle injection mold of left and right sleeper sundries box of automobile |
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| Publication Number | Publication Date |
|---|---|
| CN221562146U true CN221562146U (en) | 2024-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323081391.8U Active CN221562146U (en) | 2023-11-15 | 2023-11-15 | Left and right baffle injection mold of left and right sleeper sundries box of automobile |
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| Country | Link |
|---|---|
| CN (1) | CN221562146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119036750A (en) * | 2024-11-01 | 2024-11-29 | 山东硒科智能科技有限公司 | Injection molding device for producing tiny silica gel earplug |
-
2023
- 2023-11-15 CN CN202323081391.8U patent/CN221562146U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119036750A (en) * | 2024-11-01 | 2024-11-29 | 山东硒科智能科技有限公司 | Injection molding device for producing tiny silica gel earplug |
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