Injection mold for rapid demolding of automobile grille
By designing a rapid demolding injection mold with a top ejector and stripper column, the problem of laborious and dangerous removal of automotive grilles after injection molding was solved, achieving rapid demolding and efficient cooling, thus improving safety and processing efficiency.
Patent Information
- Application Number
- CN202423073972.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Removing existing car grilles after injection molding is laborious, dangerous, and wastes time.
Design a rapid demolding injection mold that includes an ejector frame and a stripper column. Rapid demolding is achieved by pushing the ejector frame and stripper column with an ejector cylinder, and a cooling water pipe is provided for rapid cooling.
It enables rapid demolding of automotive grilles, saving time, reducing manpower, improving safety, and increasing the molding and processing efficiency of injection molds.
Smart Images

Figure CN223630837U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile grille machining mould, more particularly to a kind of for automobile grille quick demoulding injection mould. BACKGROUND
[0002] Automobile grille, also known as middle net, water tank shield, etc., is a key component located in the front of the car, which provides a passage for the air intake ventilation of water tank, engine, air conditioning system, etc., to help these components maintain a suitable temperature during driving.
[0003] At present, after automobile grille is molded by injection molding mold, it needs to be taken out by workers' arms inserted between upper die and lower die, which is not only laborious and time-consuming, but also has certain danger. SUMMARY
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of for automobile grille quick demoulding injection mould to solve the problems existing in the above background art.
[0005] The utility model provides the following technical scheme: a kind of for automobile grille quick demoulding injection mould, including bottom plate, injection upper die plate and lower die plate, the upper surface of the bottom plate is fixedly connected with two spacers, the lower die plate is fixedly connected at the top of two spacers, the injection upper die plate is located at the top of lower die plate, the top of the lower die plate is equipped with sliding slot, sliding slot is equipped with mould core, the upper surface of the bottom plate is equipped with the power component that drives mould core to move, the upper surface of the mould core is equipped with forming cavity one and forming cavity two, the top of the injection upper die plate is equipped with injection hole that is injected to forming cavity one and forming cavity two, the bottom of the mould core is equipped with multiple stepped demolding holes that are communicated with forming cavity one and forming cavity two, demolding hole is slidably connected with demolding column, the both sides of the bottom plate are fixedly connected with U-shaped plate, the top of U-shaped plate is fixedly connected with two material lifting cylinders, one end of the telescopic part of two material lifting cylinders is fixedly connected with material lifting frame corresponding to demolding hole.
[0006] As a further scheme of the utility model, the power component includes switching cylinder, the switching cylinder is fixedly connected at the position between two spacers on the upper surface of bottom plate, the bottom of the mould core is fixedly connected with connecting plate at the position of one end, one end of the telescopic part of switching cylinder is fixed with connecting plate.
[0007] As a further scheme of the utility model, the both sides of the mould core are fixedly connected with guide rail, and the guide rail is slidably connected with lower die plate.
[0008] As a further scheme of the present utility model, two groups of positioning grooves are arranged on both sides of the mold core, mounting grooves are arranged on the upper surface of the lower mold plate at the positions on both sides of the mold core, and the mounting grooves are in communication with the sliding grooves, positioning cylinders are fixedly connected in the mounting grooves, and a positioning block is fixedly connected to one end of the extension part of the positioning cylinder.
[0009] As a further scheme of the present utility model, the two groups of positioning grooves correspond to the first forming cavity and the second forming cavity respectively, so that the first forming cavity and the second forming cavity are positioned.
[0010] As a further scheme of the present utility model, the number of the groups of positioning grooves is two.
[0011] As a further scheme of the present utility model, guide columns are fixedly connected to the positions at the four corners of the bottom of the injection mold upper mold plate, mounting holes are arranged on the upper surface of the lower mold plate at the positions at the four corners, and guide sleeves are fixedly connected in the mounting holes.
[0012] As a further scheme of the present utility model, the mold core is provided with a cooling water pipe for cooling the injection molded part, and the two ends of the cooling water pipe pass through the mold core.
[0013] The present utility model has the following technical effects and advantages:
[0014] The present utility model has the following technical effects and advantages:
[0015] The present utility model has the following technical effects and advantages:
[0016] The present utility model has the following technical effects and advantages: BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a left side structure schematic view of the present utility model.
[0018] Figure 2 It is the right side three-dimensional structure schematic view of the utility model.
[0019] Figure 3 It is the A part enlarged structure schematic view of the utility model.
[0020] Figure 4 It is the local enlarged structure schematic view of the utility model.
[0021] The figure mark is: 1, injection hole, 2, injection upper die plate, 3, forming cavity one, 4, forming cavity two, 5, guide rail, 6, die core, 7, sliding slot, 8, lower die plate, 9, backing plate, 10, bottom plate, 11, guide column, 12, mounting hole, 13, guide sleeve, 14, positioning cylinder, 15, positioning block, 16, positioning groove, 17, bevel angle, 18, switching cylinder, 19, material ejecting frame, 20, material ejecting cylinder, 21, material ejecting hole, 22, material ejecting column. DETAILED DESCRIPTION
[0022] The technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skilled in the art without making creative labor belongs to the scope of protection of the utility model.
[0023] Reference Figures 1-4The utility model provides a kind of for the quick demolding injection mould of automobile grille, including bottom plate 10, injection upper mould plate 2 and lower die plate 8, the upper surface of bottom plate 10 is fixed with two backing plates 9 by bolt, lower die plate 8 is fixed in the top of two backing plates 9 by bolt, injection upper mould plate 2 is located in the top of lower die plate 8, the top of lower die plate 8 is equipped with sliding slot 7, sliding slot 7 is equipped with mould core 6, the upper surface of bottom plate 10 is equipped with the power assembly of driving mould core 6 to move, the upper surface of mould core 6 is equipped with forming cavity one 3 and forming cavity two 4, the top of injection upper mould plate 2 is equipped with injection hole 1 to injection forming cavity one 3 and forming cavity two 4 injection, the bottom of mould core 6 is equipped with multiple stepped material removal holes 21 being connected with forming cavity one 3 and forming cavity two 4, material removal column 22 is slidably connected in material removal hole 21, the both sides of bottom plate 10 are all welded with U-shaped plate, the top of U-shaped plate is fixed with two material ejection cylinders 20 by bolt, one end of telescopic portion of two material ejection cylinders 20 is fixed with material ejection frame 19 corresponding to material removal hole 21 by bolt, injection upper mould plate 2 is adhered with lower die plate 8, then injection is carried out to forming cavity one 3 by injection hole 1, when the injection part in forming cavity one 3 is cooled and formed, injection upper mould plate 2 is taken off from lower die plate 8, mould core 6 is moved by power assembly, when forming cavity two 4 that mould core 6 moves to is located at the position of injection, injection is carried out in forming cavity two 4, while material ejection cylinder 20 is started, material ejection cylinder 20 will push material ejection frame 19 and move upwards, so that material ejection frame 19 is inserted into material removal hole 21, material ejection frame 19 will push material removal column 22 and move upwards, so that material removal column 22 ejects the injection part formed in forming cavity one 3, so as to facilitate the taking out of the formed automobile grille, save time, reduce manpower, improve the safety of staff operation, while material removal column 22 can plug material removal hole 21, so as to avoid the material injection from leaking out of material removal hole 21, while the injection part in forming cavity one 3 is ejected, injection is carried out in forming cavity two 4, so as to realize continuous injection, improve the processing efficiency of automobile grille.
[0024] The utility model discloses a power assembly includes switching cylinder 18, switching cylinder 18 is fixed through bolt on the upper surface of bottom plate 10 between two pad 9 position, the bottom of mould core 6 is fixed with the connecting plate through bolt in one end position, and one end of switching cylinder 18 telescopic part is fixed with the connecting plate, and both sides of mould core 6 are fixed with guide rail 5 through bolt, and guide rail 5 is connected with the sliding connection of lower die plate 8, when mould core 6 needs to move, start switching cylinder 18 and contract, and switching cylinder 18 drives mould core 6 to move in the sliding slot 7 through connecting plate through guide rail 5, thereby making mould core 6 move horizontally, and both sides of mould core 6 are provided with two sets of positioning slot 16, and the upper surface of lower die plate 8 is provided with mounting groove in the position of both sides of mould core 6, and the mounting groove is communicated with sliding slot 7, and positioning cylinder 14 is fixed in the mounting groove through bolt, and one end of positioning cylinder 14 telescopic part is fixed with positioning block 15 through bolt, and positioning block 15 is inserted with positioning slot 16, and the both sides of positioning block 15 are integrally formed with bevel 17, and bevel 17 is convenient for positioning block 15 to insert into positioning slot 16, and two sets of positioning slot 16 correspond with forming cavity one 3 and forming cavity two 4 respectively, so that forming cavity one 3 and forming cavity two 4 are positioned, and the number of multiple positioning slot 16 is two, before mould core 6 moves, start positioning cylinder 14 and contract, and positioning cylinder 14 will drive positioning block 15 to move, so that positioning block 15 is separated from positioning slot 16, when mould core 6 moves to another positioning slot 16 and is aligned with positioning block 15, start positioning cylinder 14 and elongate, so that positioning block 15 is inserted into positioning slot 16, and the movement of mould core 6 is positioned at this moment, so that forming cavity two 4 is located at the position of injection molding, and the position of forming cavity two 4 is avoided to deviate;
[0025] Especially, the bottom of the injection mold upper plate 2 is fixed with a guide column 11 through a bolt at the position of the four corners, the upper surface of the lower die plate 8 is provided with a mounting hole 12 at the position of the four corners, the mounting hole 12 is fixed with a guide sleeve 13 through a bolt, and the guide column 11 and the guide sleeve 13 can be inserted, when the injection mold upper plate 2 is attached to the lower die plate 8, the guide column 11 on the injection mold upper plate 2 is inserted into the guide sleeve 13 on the lower die plate 8, thereby positioning the injection mold upper plate 2, avoiding the deviation of the injection mold upper plate 2, the mold core 6 is provided with a cooling water pipe for cooling the injection molded part, and the two ends of the cooling water pipe pass through the mold core 6, after the injection is completed, cooling liquid is added into the cooling water pipe, so that the cooling liquid flows in the cooling water pipe, thereby rapidly cooling the forming cavity one 3, saving time.
[0026] The utility model discloses a working principle: when using, the injection moulding upper template 2 is pasted with lower template 8, and make the guide column 11 on injection moulding upper template 2 insert into the guide bushing 13 on lower template 8, thereby positioning injection moulding upper template 2, avoid the injection moulding upper template 2 to shift, then through injection hole 1 to the injection moulding to the forming mould cavity one 3, after injection moulding, add cooling liquid to cooling water pipe, make cooling liquid flow in cooling water pipe, thereby the quick cooling of forming mould cavity one 3 in, when the injection moulding of forming mould cavity one 3 cools and forms, take down injection moulding upper template 2 from lower template 8, then start positioning cylinder 14 and contract, and positioning cylinder 14 will drive positioning block 15 to move, make positioning block 15 and positioning groove 16 separate, then start switching cylinder 18 and contract, and switching cylinder 18 drive mould core 6 to move in sliding slot 7 through guide rail 5, when mould core 6 moves to the alignment of another positioning groove 16 and positioning block 15, start positioning cylinder 14 and extend, make positioning block 15 insert into positioning groove 16, at this moment, the movement of mould core 6 is positioned, make forming mould cavity two 4 be at the position of injection moulding, avoid the position of forming mould cavity two 4 to shift, then injection moulding is carried out in forming mould cavity two 4, and start ejector cylinder 20 simultaneously, and ejector cylinder 20 will push up material frame 19 and move upwards, make up material frame 19 insert into the material removal hole 21, and up material frame 19 will push up material removal column 22 and move upwards, make up material removal column 22 and eject the injection moulding in forming mould cavity one 3, thereby facilitating the taking out of the formed automobile grating, save time, reduce manpower, improve the safety of staff operation, and up material removal column 22 can block up material removal hole 21, thereby avoiding the material from injection moulding from leaking out of up material removal hole 21, while the injection moulding in forming mould cavity one 3 is ejected, injection moulding is carried out in forming mould cavity two 4, thereby continuous injection moulding can be realized, and the processing efficiency of automobile grating is improved.
[0027] Finally, it should be pointed out that in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;
[0028] The utility model discloses the drawings of the embodiment, only relate to the structure of the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other.
Claims
1. A quick-release injection mold for automotive grilles, comprising a base plate (10), an upper injection mold plate (2), and a lower injection mold plate (8), characterized in that: Two pads (9) are fixedly connected to the upper surface of the base plate (10). The lower template (8) is fixedly connected to the top of the two pads (9). The upper injection template (2) is located on top of the lower template (8). A groove (7) is provided on the top of the lower template (8). A mold core (6) is provided in the groove (7). A power assembly for moving the mold core (6) is provided on the upper surface of the base plate (10). A molding cavity one (3) and a molding cavity two (4) are provided on the upper surface of the mold core (6). A top of the upper injection template (2) is provided with a... The injection holes (1) for injection molding into the first molding cavity (3) and the second molding cavity (4) are provided. The bottom of the mold core (6) is provided with a plurality of stepped stripping holes (21) that are connected to the first molding cavity (3) and the second molding cavity (4). Stripping columns (22) are slidably connected in the stripping holes (21). U-shaped plates are fixedly connected to both sides of the base plate (10). Two ejector cylinders (20) are fixedly connected to the top of the U-shaped plates. One end of the telescopic part of the two ejector cylinders (20) is fixedly connected to an ejector frame (19) corresponding to the stripping holes (21).
2. The injection mold for quick demolding of automotive grilles according to claim 1, characterized in that: The power assembly includes a switching cylinder (18), which is fixedly connected to the upper surface of the base plate (10) between two pads (9). A connecting plate is fixedly connected to the bottom of the mold core (6) at one end. One end of the telescopic part of the switching cylinder (18) is fixed to the connecting plate.
3. The injection mold for quick demolding of automotive grilles according to claim 2, characterized in that: The mold core (6) is fixedly connected to guide rails (5) on both sides, and the guide rails (5) are slidably connected to the lower template (8).
4. The injection mold for quick demolding of automotive grilles according to claim 1, characterized in that: Two sets of positioning grooves (16) are provided on both sides of the mold core (6). The upper surface of the lower template (8) is provided with mounting grooves on both sides of the mold core (6), and the mounting grooves are connected to the sliding grooves (7). A positioning cylinder (14) is fixedly connected in the mounting groove. A positioning block (15) is fixedly connected to one end of the telescopic part of the positioning cylinder (14). Both sides of the positioning block (15) are integrally formed with chamfers (17).
5. The injection mold for quick demolding of automotive grilles according to claim 4, characterized in that: The two sets of positioning grooves (16) correspond to the first molding cavity (3) and the second molding cavity (4) respectively, so that the first molding cavity (3) and the second molding cavity (4) are positioned.
6. The injection mold for quick demolding of automotive grilles according to claim 4, characterized in that: The number of positioning slots (16) in each set is two.
7. The injection mold for quick demolding of automotive grilles according to claim 1, characterized in that: The bottom of the upper injection mold (2) is fixedly connected to guide posts (11) at the four corners, and the upper surface of the lower mold (8) is provided with mounting holes (12) at the four corners, with guide sleeves (13) fixedly connected inside the mounting holes (12).
8. The injection mold for quick demolding of automotive grilles according to claim 1, characterized in that: The mold core (6) is provided with a cooling water pipe for cooling the injection molded part, and both ends of the cooling water pipe pass through the mold core (6).