Automobile storage box forming die
By using the guiding cooperation of the limiting sliding groove and the sliding block, and the design of the three-dimensional cooling circuit, the problems of positioning deviation, complex ejection action and uneven cooling of the automotive storage box forming mold are solved, thereby improving the accuracy of storage box forming and cooling efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO XINGGANGXIN PRECISION MASCH MOULDING CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-04-21
AI Technical Summary
Existing automotive storage box molding dies have problems such as mold closing positioning deviation leading to molding size errors, the need for additional power components for ejection and the tendency to jam and derail, cumbersome reset process, and insufficient targeted cooling of the cooling circuit.
The vertical guide cooperation of the limiting sliding groove and the limiting sliding block is adopted to achieve precise alignment of the upper and lower molds. The linkage design of the synchronous slider and the guide groove realizes the integrated drive of mold opening and ejection. The leveling rod and the limiting block provide lateral guide support and simplify the mechanical transmission process. A three-dimensional cooling circuit across the mold is constructed, and a cooling field with a balanced temperature difference between the upper and lower molds is realized through the liquid inlet pipe and the liquid outlet pipe.
Ensure accurate dimensions of the storage box, simplify ejection, improve mold automation, enhance cooling efficiency and uniformity, reduce additional power components, prevent transmission components from disengaging, and ensure mechanism stability.
Smart Images

Figure CN224145256U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of storage box mold manufacturing technology, and in particular to an automotive storage box forming mold. Background Technology
[0002] As an important functional component in a car, the storage box not only serves to store small items and improve the tidiness of the interior space, but its appearance and quality also directly affect the user's driving experience and the overall quality image of the vehicle. In the process of automobile production, the molding quality and production efficiency of the storage box have a crucial impact on the assembly progress of the entire vehicle. Existing automobile storage box molding molds are prone to positioning deviations during mold closing due to imperfect positioning structures, resulting in errors in the molding dimensions of the storage box. Furthermore, the mold opening and ejection actions often rely on additional power components, which have problems such as complex power component configuration, ejection plates that are prone to tilting and jamming due to uneven force, transmission components that are prone to detachment, cumbersome reset processes, and low automation. At the same time, the cooling circuit design often fails to create a cooling field with a uniform temperature difference between the upper and lower molds, resulting in insufficient targeted cooling effect for different areas of the storage box, affecting cooling efficiency and uniformity. Utility Model Content
[0003] This utility model relates to an automotive storage box forming mold, which solves the problems mentioned in the background art, such as mold closing positioning deviation leading to storage box forming size error, the need for additional power components for ejection and easy jamming and derailment, cumbersome reset process, insufficient targeted cooling of the cooling circuit, and uneven cooling of the upper and lower molds.
[0004] This utility model provides a molding die for an automotive storage box, specifically including: a lower die; the top of the lower die is provided with a matching upper die, an ejector plate is slidably connected in the top die groove of the lower die, an inlet pipe and an outlet pipe are fixedly connected to the front and rear sides of the bottom of the ejector plate, a synchronous top plate is fixedly connected to the bottom of the inlet pipe and the outlet pipe, and the rear side of the synchronous top plate is slidably connected to the rear side of the bottom of the lower die.
[0005] Furthermore, a limiting sliding groove that extends through the bottom is provided at the middle of the rear side of the top end face of the lower mold, and an ejection groove is provided at the middle of the top mold groove of the lower mold. The ejection plate is slidably embedded in the ejection groove, and two spring grooves are provided in a front-to-back arrangement at the middle of the bottom end face of the lower mold.
[0006] Furthermore, two balancing rods are symmetrically provided at the middle of the rear bottom of the lower mold, and a limit stop is fixedly connected to the bottom of the balancing rod.
[0007] Furthermore, two connecting seats are symmetrically provided on the left and right sides of the top end face of the upper mold. The connecting seats are connected to the relevant hydraulic components. A limiting sliding block is fixedly connected to the middle of the rear side of the bottom end face of the upper mold. The limiting sliding block is slidably connected in the limiting sliding groove opened in the lower mold. Two strip-shaped guide grooves are symmetrically opened at the bottom of the front and rear side walls of the limiting sliding block. An ejector block is fixedly installed at the bottom of the front side wall of the limiting sliding block.
[0008] Furthermore, the bottom left and right rear sides of the lower mold are fixedly connected to liquid inlet pipes, the upper front side of the left and right side walls of the lower mold are fixedly connected to liquid outlet pipes, two liquid inlet pipes are symmetrically connected to the top end face of the upper mold, the liquid inlet pipes extend into the bottom of the internal cavity of the upper mold, the liquid outlet pipe is connected to the top end face of the upper mold between the two liquid inlet pipes, and the liquid outlet pipe connected to the bottom rear side of the ejector plate extends into the top of the cavity.
[0009] Furthermore, two synchronous sliders are symmetrically installed on the rear side wall of the synchronous top plate. The synchronous sliders are slidably connected in the guide groove opened in the bottom limiting sliding block of the upper mold. The rear end of the synchronous slider is slidably connected to the balancing rod on the rear side of the bottom of the lower mold. Two return springs are installed on the top of the synchronous top plate. The top end of the return springs is fixedly installed in the spring groove at the bottom of the lower mold.
[0010] This utility model provides a molding die for an automotive storage box, which has the following advantages:
[0011] 1. The vertical guide cooperation of the limiting sliding groove and the limiting sliding block ensures precise alignment when the upper and lower molds are closed, avoiding dimensional errors in the storage box due to positioning deviations. The linkage design of the synchronous slider and the guide groove converts the vertical movement of the upper mold into the horizontal lifting force of the synchronous top plate, realizing the integrated drive of mold opening and ejection actions, reducing the configuration of additional power components. The balancing rod and the limiting block provide lateral guide support for the synchronous top plate, preventing the ejection plate from tilting and jamming due to uneven force. At the same time, the limiting structure prevents the transmission components from disengaging, ensuring the stability of the mechanism's cyclic operation. The return spring stores the downward pressure energy when the mold is closed and releases the elastic potential energy when the mold is opened to drive the ejection mechanism to automatically reset, simplifying the mechanical transmission process and improving the degree of mold automation.
[0012] 2. The inlet and outlet pipes form a three-dimensional cooling circuit across the mold. The lower mold cooling circuit targets and cools the bottom and side wall areas of the storage box, while the upper mold cooling circuit injects coolant from the top of the cavity, covering the upper surface and edges of the storage box, forming a cooling field with a balanced temperature difference between the upper and lower molds. Attached Figure Description
[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.
[0014] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.
[0015] In the attached diagram:
[0016] Figure 1 This is a schematic diagram of the right front side axial view structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the structure from a low angle on the right front side of this utility model;
[0018] Figure 3 This is a schematic diagram of the overall disassembled structure of this utility model;
[0019] Figure 4 This is a schematic diagram of the disassembled, bottom-view structure of this utility model;
[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the upper mold of this utility model;
[0021] Figure 6 This is a schematic diagram of the side section structure of the lower mold of this utility model.
[0022] In the diagram, the correspondence between component names and drawing numbers is as follows:
[0023] 1. Lower mold; 101. Limiting sliding groove; 102. Ejection groove; 103. Spring groove; 104. Balancing rod; 105. Limiting stop; 2. Upper mold; 201. Connecting seat; 202. Limiting sliding block; 203. Guide groove; 204. Ejection support block; 3. Return spring; 4. Liquid inlet pipe; 5. Liquid outlet pipe; 6. Ejection support plate; 7. Synchronous top plate; 701. Synchronous slider. Detailed Implementation
[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0025] Example 1: As shown in the attached document Figure 1 To be continued Figure 6 As shown:
[0026] This utility model provides a molding die for an automotive storage box, comprising: a lower die 1, a matching upper die 2 at the top of the lower die 1, an ejector plate 6 slidably connected in the top mold groove of the lower die 1, an inlet pipe 4 and an outlet pipe 5 fixedly connected to the front and rear sides of the bottom of the ejector plate 6, a synchronous top plate 7 fixedly connected to the bottom of the inlet pipe 4 and the outlet pipe 5, the rear side of the synchronous top plate 7 slidably connected to the bottom rear side of the lower die 1, a limiting sliding groove 101 penetrating the bottom is opened in the middle of the rear side of the top end face of the lower die 1, an ejection groove 102 is opened in the middle of the top mold groove of the lower die 1, the ejector plate 6 is slidably embedded in the ejection groove 102, two spring grooves 103 are distributed front and rear in the middle of the bottom end face of the lower die 1, two symmetrically arranged leveling rods 104 are arranged in the middle of the rear side of the bottom of the lower die 1, and a limit stop 105 is fixedly connected to the bottom of the leveling rod 104. Specifically, by opening the upper mold 2 in the mold groove of the lower die 1 and the upper mold 2, the upper mold 2 is slidably connected to the upper mold 1. The ejector plate 6 and the corresponding ejector groove 102 are linked with the synchronous top plate 7 through the bottom liquid inlet pipe 4 and the liquid outlet pipe 5. When the mold is opened, the synchronous top plate 7 lifts the molded car storage box out of the mold groove of the lower mold 1, completing the demolding action. When the mold is closed, it retracts into the mold groove, providing a flat bottom support surface for injection molding. The flat rod 104 is symmetrically arranged on the rear side of the bottom of the lower mold 1. The top end is slidably connected to the synchronous top plate 7, and the bottom end is limited by the limit stop 105 to limit the maximum backward stroke of the synchronous top plate 7. Its function is to provide guide support for the sliding of the synchronous top plate 7, prevent the ejector plate 6 from tilting and jamming due to uneven force, and at the same time, the limit stop 105 prevents the synchronous slider 701 from disengaging from the guide groove 203, ensuring the reliability of the transmission mechanism. The limit sliding groove 101 runs through the top and bottom of the lower mold 1, providing vertical sliding guidance for the limit sliding block 202 of the upper mold 2, ensuring accurate alignment when the lower mold 1 and the upper mold 2 are closed.
[0027] The upper mold 2 has two symmetrical connecting seats 201 on the left and right sides of its top end face. The connecting seats 201 are connected to related hydraulic components. A limiting sliding block 202 is fixedly connected to the middle of the rear side of the bottom end face of the upper mold 2. The limiting sliding block 202 is slidably connected in the limiting sliding groove 101 opened in the lower mold 1. Two strip-shaped guide grooves 203 are symmetrically opened at the bottom of the front and rear side walls of the limiting sliding block 202. An ejector block 204 is fixedly installed at the bottom of the front side wall of the limiting sliding block 202. Specifically, the limiting sliding block 202 is slidably connected in the limiting sliding groove 101 of the lower mold 1. It cooperates with the synchronous slider 701 through the guide groove 203. When the mold is closed, it slides downward along the limiting sliding groove 101 to ensure the positioning accuracy of the lower mold 1 and the upper mold 2 and avoid the storage box forming size error caused by the mold closing deviation. When the mold is opened, it slides upward and pulls the synchronous slider 701 upward through the guide groove 203, thereby driving the synchronous top plate 7 and the ejector plate 6 to move.
[0028] The lower mold 1 has inlet pipes 4 fixedly connected to the bottom left and right rear sides, and outlet pipes 5 fixedly connected to the upper front side of the left and right side walls. The upper mold 2 has two inlet pipes 4 symmetrically connected to the top end face. The inlet pipes 4 extend into the bottom of the internal cavity of the upper mold 2. The outlet pipes 5 are connected to the top end face of the upper mold 2 between the two inlet pipes 4. The outlet pipes 5 connected to the bottom rear side of the ejector plate 6 extend into the top of the cavity. Specifically, the inlet pipes 4 are used to deliver coolant to the ejector plate 6, the lower mold 1 and the internal cavity of the upper mold 2. The outlet pipes 5 discharge the coolant after heat absorption. By exchanging heat and cold, the temperature of the storage box forming part is reduced, the plastic melt solidification is accelerated, and the production efficiency and product forming quality are improved.
[0029] Two synchronous sliders 701 are symmetrically installed on the rear side wall of the synchronous top plate 7. The synchronous sliders 701 are slidably connected in the guide groove 203 opened in the bottom limiting sliding block 202 of the upper mold 2. The rear end of the synchronous sliders 701 is slidably connected to the balancing rod 104 on the rear side of the bottom of the lower mold 1. Two return springs 3 are installed on the top of the synchronous top plate 7. The top end of the return springs 3 is fixedly installed in the spring groove 103 at the bottom of the lower mold 1. Specifically, the synchronous top plate 7 is connected to the ejector through the liquid inlet pipe 4 and the liquid outlet pipe 5. Plate 6 is rigidly connected, and its rear side is linked to the limiting sliding block 202 of the upper mold 2 through the synchronous slider 701. Its bottom is connected to the spring groove 103 of the lower mold 1 through the reset spring 3. Its function is to drive the synchronous slider 701 to slide along the guide groove 203 through the upward movement of the upper mold 2 during the mold opening process, thereby pushing the synchronous top plate 7 to move upward and synchronously driving the ejector plate 6 to complete the ejection action. When the mold is closed, it is pressed down by the upper mold 2, and the synchronous top plate 7 compresses the reset spring 3 to reset downward, driving the ejector plate 6 to retract.
[0030] The specific usage and function of this embodiment are as follows:
[0031] When using this car storage box molding mold, when the lower mold 1 and the upper mold 2 are closed, the upper mold 2 and the lower mold 1 are first driven by the external hydraulic system to form a sealed cavity. Then, molten plastic is injected and coolant is delivered to the ejector plate 6, the lower mold 1 and the cavity of the upper mold 2 through the liquid inlet pipe 4. The coolant is circulated and cooled through the liquid outlet pipe 5 to accelerate solidification. After the plastic melt is completely solidified, the hydraulic system drives the upper mold 2 to move upward to open the mold. The limiting sliding block 202 is driven to move upward through the cooperation of the guide slide 203 and the synchronous slider 701, pushing the synchronous top plate 7 to move upward through the liquid inlet pipe 4 and the liquid outlet pipe 5 to eject the ejector plate 6 and demold the molded storage box from the groove of the lower mold 1. During this process, the leveling rod 104 and the limiting block 105 provide guidance and support and limit the stroke. After the storage box is removed, the upper mold 2 moves downward to close the mold again. The synchronous top plate 7 compresses the reset spring 3 to drive the ejector plate 6 to retract and reset, and enter the next cycle.
[0032] Example 2:
[0033] By extending the lengths of the limiting block 105 and the limiting sliding block 202 at the bottom of the balancing rod 104 to be equal, the limiting sliding block 202 can be supported throughout its up-and-down sliding process, preventing the bottom of the limiting sliding block 202 from deforming due to stress, thus extending the service life of the limiting sliding block 202.
Claims
1. An automobile storage box forming mold characterized by comprising: The lower mold (1) is provided with a matching upper mold (2) at the top of the lower mold (1). An ejector plate (6) is slidably connected in the mold groove at the top of the lower mold (1). An inlet pipe (4) and an outlet pipe (5) are fixedly connected to the front and rear sides of the bottom of the ejector plate (6). A synchronous top plate (7) is fixedly connected to the bottom of the inlet pipe (4) and the outlet pipe (5). The rear side of the synchronous top plate (7) is slidably connected to the rear side of the bottom of the lower mold (1).
2. The forming mold for an automobile storage box according to claim 1, wherein The lower mold (1) has a limiting sliding groove (101) that extends through the bottom at the middle of the rear side of the top end face. The lower mold (1) has an ejection groove (102) at the middle of the top mold groove. The ejection plate (6) is slidably embedded in the ejection groove (102). The lower mold (1) has two spring grooves (103) distributed front and back at the middle of the bottom end face.
3. The forming mold for an automobile storage box according to claim 1, wherein Two balancing rods (104) are symmetrically provided at the middle of the rear bottom of the lower mold (1), and a limit stop (105) is fixedly connected to the bottom of the balancing rod (104).
4. The forming mold for an automobile storage box according to claim 1, wherein The upper mold (2) has two connecting seats (201) symmetrically arranged on the left and right sides of the top end face. The connecting seats (201) are connected to the related hydraulic components. A limiting sliding block (202) is fixedly connected at the middle of the rear side of the bottom end face of the upper mold (2). The limiting sliding block (202) is slidably connected in the limiting sliding groove (101) opened in the lower mold (1). Two strip-shaped guide grooves (203) are symmetrically opened at the bottom of the front and rear side walls of the limiting sliding block (202). An ejector block (204) is fixedly installed at the bottom of the front side wall of the limiting sliding block (202).
5. The forming mold for an automobile storage box according to claim 1, wherein The bottom left and right rear sides of the lower mold (1) are fixedly connected to the liquid inlet pipe (4), the upper front side of the left and right side walls of the lower mold (1) are fixedly connected to the liquid outlet pipe (5), the top end face of the upper mold (2) is symmetrically connected to two liquid inlet pipes (4), the liquid inlet pipe (4) extends into the bottom of the cavity inside the upper mold (2), the top end face of the upper mold (2) between the two liquid inlet pipes (4) is connected to the liquid outlet pipe (5), the liquid outlet pipe (5) connected to the bottom rear side of the ejector plate (6) extends into the top of the cavity.
6. The forming mold for an automobile storage box according to claim 1, wherein Two synchronous sliders (701) are symmetrically installed on the rear side wall of the synchronous top plate (7). The synchronous sliders (701) are slidably connected in the guide groove (203) opened in the bottom limiting sliding block (202) of the upper mold (2). The rear end of the synchronous sliders (701) is slidably connected to the balancing rod (104) on the rear side of the bottom of the lower mold (1). Two reset springs (3) are installed on the top of the synchronous top plate (7). The top end of the reset springs (3) is fixedly installed in the spring groove (103) at the bottom of the lower mold (1).