Light-weight automobile air conditioner air door plate injection mold
By designing a lightweight automotive air-conditioning damper panel injection mold and adopting technologies such as four-corner hot nozzles and exhaust inserts, the problems of heavy weight and molding defects of traditional damper panels have been solved, and the quality and yield of injection molding have been improved.
Patent Information
- Application Number
- CN202422827666.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Traditional automotive damper panels are heavy, have high material costs, and are prone to air holes and insufficient pouring during injection molding, resulting in low yield rates.
A lightweight injection mold for automotive air-conditioning damper panels was designed. The mold adopted a four-corner hot nozzle design, a heater, and a hot runner plate to improve material fluidity. An exhaust insert was installed in the mold to prevent gas accumulation. A slide groove and an elastic stop block were combined to improve the stability of the mold.
The rapid mold filling of the damper plate is achieved, air holes and insufficient pouring are avoided, and the yield rate is improved.
Smart Images

Figure CN223466637U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of air door plate production equipment, especially relates to a light weight automobile air conditioner air door plate injection mold. BACKGROUND
[0002] The automobile air conditioner air door plate is an important part of the automobile air conditioner, with the requirement of environmental protection and energy saving, light weight becomes the main trend. The traditional automobile air door plate is thick, and the material used is more, so the material cost is high, and the weight is heavy, and it is not environmental protection and energy saving. The light weight air door plate is thinner, and the connecting structure is arranged on the side, so that there will be air hole and pouring defect during injection molding, and the yield is low. INVENTION CONTENTS
[0003] In view of the defects of the prior art, the utility model aims at providing a light weight automobile air conditioner air door plate injection mold.
[0004] The utility model discloses a light weight automobile air conditioner air door plate injection mold, including rear mould subassembly and front mould subassembly, the rear mould subassembly includes rear mould bottom plate, sets up in the rear mould bottom plate front side rear mould cushion block, sets up in the rear mould cushion block front side rear mould plate, sets up in the rear mould plate front side center rear mould kernel, the rear ejector plate that slides in the rear mould plate with the rear mould bottom plate between front and back, set up on the rear ejector plate rear ejector, rear ejector extends and penetrates rear mould kernel to the front, the rear mould plate on the left and right sides of rear mould kernel horizontal sliding connection has translation wedge, and the side forming head is equipped to the side of rear mould kernel to translation wedge;The front mould subassembly includes mounting plate, sets up in the mounting plate rear side front mould bottom plate, sets up in the front mould bottom plate rear side front mould plate, sets up in the front mould plate rear side center front mould kernel, set up in the front mould kernel left and right sides the front mould plate on driving wedge block, the driving inclined column of opening mould is equipped on the driving wedge block and drives translation wedge, the opening inclined hole of cooperation is equipped on translation wedge and opening mould inclined column, and opening mould inclined column extends from the front side center of front mould kernel to the rear side edge of front mould plate, and the front mould bottom plate is equipped with the hot runner cavity of accommodating hot runner plate, and the heating body is equipped on the hot runner plate, and the hot nozzle is equipped on the hot runner plate, four hot nozzles are corresponded to be equipped with every automobile air conditioner air door plate, and the hot nozzle glue outlet is located at the four corner top of automobile air conditioner air door plate.
[0005] As a further improvement of the present design, the front template is provided with a top plate cavity, a front top pin plate sliding forward and backward is arranged in the top plate cavity, a front top pin column is arranged on the front top pin plate, the front top pin column extends backward and penetrates the front mold core, a top pin retraction column is arranged on the front top pin plate, the top pin retraction column extends backward and abuts against the front side of the rear template after the mold is closed, a front ejection spring is arranged between the front side of the front top pin plate and the front mold base plate, and the front ejection spring applies a backward force to the front top pin plate.
[0006] As a further improvement of the present design, the rear mold core is provided with an exhaust insert penetrating the rear mold core.
[0007] As a further improvement of the present design, the rear template is provided with a sliding groove accommodating the translation wedge, the rear side of the sliding groove is provided with an elastic stopper, the rear side of the translation wedge is provided with a wedge locking groove, and the elastic stopper extends into the wedge locking groove when the mold is opened.
[0008] The present application has the advantages that: the hot nozzle is arranged at four corners of each air door plate, so that the material can quickly fill the cavity, and thus air holes and pouring defects are avoided; the heating body and the hot runner plate can improve the flowability of the material, and further prevent air holes and pouring defects. BRIEF DESCRIPTION OF DRAWINGS
[0009] The present application will be further described below in combination with the drawings and examples.
[0010] Figure 1 is a schematic diagram of the overall cross-sectional structure of the present application.
[0011] Figure 2 is a schematic diagram of the front mold assembly of the present application.
[0012] Figure 3 is a schematic diagram of the overall cross-sectional structure of the present application.
[0013] Figure 4 is a schematic diagram of the rear mold assembly of the present application.
[0014] Figure 5 is a schematic diagram of the overall cross-sectional structure of the present application.
[0015] Figure 6 is a schematic diagram of the hot nozzle and the rear mold core of the present application.
[0016] 1. mounting plate, 2. front mold base plate, 3. front ejector plate, 4. front mold plate, 5. driving wedge, 6. opening inclined guide column, 7. front mold core, 8. front ejector pin, 9. hot runner plate, 10. hot runner cavity, 11. rear mold base plate, 12. rear ejector plate, 13. opening inclined guide hole, 14. translation wedge, 15. rear mold core, 16. rear ejector pin, 17. wedge locking groove, 18. elastic stopper, 19. rear mold plate, 20. rear mold pad, 21. side forming head, 22. driving inclined surface, 23. heating body, 24. top plate cavity, 25. exhaust insert, 26. sliding groove, 27. front ejection spring, 28. ejector pin retraction column, 29. hot nozzle. DETAILED DESCRIPTION
[0017] The utility model will be combined with the drawing and specific implementation example in detail, the illustrative embodiment and the explanation only use to explain the utility model, but do not serve as the limitation to the utility model.
[0018] Embodiment: see Figure 1 、 Figure 3 、 Figure 5 And Figure 6 The embodiment provides a kind of injection mold for light-weight automobile air conditioner air door plate, including rear mold component and front mold component, the rear mold component includes rear mold base plate 11, rear mold pad 20 is set to the front side of the rear mold base plate 11, rear mold plate 19 is set to the front side of the rear mold pad 20, rear mold core 15 is set to the front side center of the rear mold plate 19, rear ejector plate 12 is slid forward and backward between the rear mold plate 19 and the rear mold base plate 11, rear ejector pin 16 is set to the rear ejector plate 12, the rear ejector pin 16 extends forward and penetrates the rear mold core 15, the rear mold plate 19 on the left and right sides of the rear mold core 15 is slidably connected with translation wedge 14, and the translation wedge 14 is provided with side forming head 21 towards one side of the rear mold core 15;The front mold component includes mounting plate 1, front mold base plate 2 is set to the rear side of the mounting plate 1, front mold plate 4 is set to the rear side of the front mold base plate 2, front mold core 7 is set to the rear side center of the front mold plate 4, driving wedge 5 block is set to the front mold plate 4 on the left and right sides of the front mold core 7, the driving inclined surface 22 of the driving wedge 5 block and the opening inclined guide column 6 for driving the translation wedge 14 are equipped, the opening inclined guide hole 13 of the opening inclined guide column 6 is matched with the translation wedge 14, the opening inclined guide column 6 extends from the front side center of the front mold core 7 to the rear side edge of the front mold plate 4, the front mold base plate 2 is provided with hot runner cavity 10 for accommodating hot runner plate 9, heating body 2423 is equipped on the hot runner plate 9, hot nozzle 29 is equipped on the hot runner plate 9, four hot nozzles 29 are correspondingly provided for each automobile air conditioner air door plate, and the glue outlet of the hot nozzle 29 is located at the top of four corners of the automobile air conditioner air door plate.
[0019] The material can quickly fill the cavity by setting the hot nozzle 29 at four corners of each shutter plate, so that the defects of air hole and insufficient pouring are not easy to occur; the heating body 23 and the hot runner plate 9 can improve the fluidity of the material, and further prevent air hole and insufficient pouring
[0020] Please refer to Figure 2 and Figure 3 , the front template 4 is provided with a top plate cavity 24, the front and rear sliding front ejector plate 3 is arranged in the top plate cavity 24, the front ejector pin 8 is arranged on the front ejector plate 3, the front ejector pin 8 extends backward and penetrates the front mold core 7, the ejector pin retraction column 28 is arranged on the front ejector plate 3, the ejector pin retraction column 28 extends backward and abuts against the front side of the rear template 19 after the mold is closed, the front side of the front ejector plate 3 and the front mold base plate 2 are provided with the front ejection spring 27, and the front ejection spring 27 applies a backward force to the front ejector plate 3.
[0021] Please refer to Figure 4 , in order to prevent the gas from being discharged during injection molding, resulting in air hole and insufficient pouring in the center of the injection molded part, the exhaust insert 25 is arranged in the middle of the rear mold core 15 and penetrates the rear mold core 15.
[0022] Please refer to Figure 4 and Figure 5 , in order to improve the sliding stability of the translation wedge block 14 and prevent the translation wedge block 14 from being displaced accidentally after the mold is opened, the rear template 19 is provided with the sliding groove 26 accommodating the translation wedge block 14, the rear side of the sliding groove 26 is provided with the elastic stopper 18, the rear side of the translation wedge block 14 is provided with the wedge block locking groove 17, and the elastic stopper 18 extends into the wedge block locking groove 17 when the translation wedge block 14 is in the mold opening state.
[0023] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.
Claims
1. A light-weighted automobile air-conditioning damper plate injection mold comprising a back mold assembly and a front mold assembly, characterized in that, The rear mold assembly comprises a rear mold base plate, a rear mold cushion block arranged on the front side of the rear mold base plate, a rear mold plate arranged on the front side of the rear mold cushion block, a rear mold core arranged on the front side center of the rear mold plate, a rear ejector plate sliding forward and backward between the rear mold plate and the rear mold base plate, rear ejector pins arranged on the rear ejector plate, the rear ejector pins extending forward through the rear mold core, and horizontal sliding connection of the rear mold plate on the left and right sides of the rear mold core with translation wedges, the translation wedges being provided with side forming heads on the side of the rear mold core.
2. The injection mold for the air conditioning damper plate of a light-weight automobile according to claim 1, wherein The front mold assembly comprises a mounting plate, a front mold base plate arranged on the rear side of the mounting plate, a front mold plate arranged on the rear side of the front mold base plate, a front mold core arranged on the rear side center of the front mold plate, and drive wedges arranged on the front mold plate on the left and right sides of the front mold core, the drive wedges being provided with drive inclined surfaces and mold opening inclined guide columns for driving the translation wedges, the translation wedges being provided with opening inclined guide holes matched with the mold opening inclined guide columns, the mold opening inclined guide columns extending from the front side center of the front mold core to the rear side edge of the front mold plate, the front mold base plate being provided with a hot runner cavity accommodating a hot runner plate, the hot runner plate being provided with a heating body and a hot nozzle, four hot nozzles being arranged on the hot runner plate corresponding to each automobile air conditioner damper plate, and the hot nozzle outlets being located at the top of the four corners of the automobile air conditioner damper plate.
3. The injection mold for a light-weight automobile air-conditioning damper plate according to claim 1, wherein The front mold plate is provided with a top plate cavity, the top plate cavity is provided with a front and rear sliding front ejector plate, the front ejector plate is provided with a front ejector pin column, the front ejector pin column extends backward through the front mold core, the front ejector plate is provided with an ejector pin retraction column, the ejector pin retraction column extends backward and abuts against the front side of the rear mold plate after the mold is closed, a front ejection spring is arranged between the front side of the front ejector plate and the front mold base plate, and the front ejection spring applies a backward force to the front ejector plate.
4. The injection mold for a light-weight automobile air-conditioning damper plate according to claim 1, wherein The rear mold core is provided with an exhaust insert block penetrating the rear mold core. The rear mold plate is provided with a sliding groove accommodating the translation wedge, the rear side of the sliding groove is provided with an elastic stop block, the rear side of the translation wedge is provided with a wedge locking groove, and the elastic stop block extends into the wedge locking groove when the mold is opened.