Injection mold for automobile glove box

Abstract

The injection mold comprises a fixed mold body, a movable mold body, a driving mechanism and a plurality of forming assemblies, the movable mold body is used for forming an inner cavity of the glove box, the multiple forming assemblies are matched with one another to be used for forming the outer side of the glove box, and the forming assemblies are movably arranged in the fixed mold body; the driving mechanism is mounted on the fixed mold, and the output end is connected with the forming assembly; during demolding, the driving mechanism is suitable for driving the forming assembly to move in the first direction, and then the glove box is lifted up from the interior of the fixed mold; meanwhile, the driving mechanism is further suitable for driving the forming assembly to move in the second direction, and then the glove box is separated from the forming assembly. The mold has the beneficial effects that the driving mechanism can enable the forming assembly to synchronously move in two directions, so that the glove box is lifted up and demolded from the fixed mold, an ejector pin mechanism in a traditional mold does not need to be adopted, the overall structure of the mold is simplified, and the complexity of the mold is reduced.

Description

Technical Field

[0001] The present application relates to the field of mold technology, and in particular to an injection mold for an automobile glove box. Background Art

[0002] The storage container located in front of the co-pilot seat of a car is called a storage box (commonly known as a glove box). The car glove box is mainly used to store small items, such as wallets, mobile phones, keys, tissues, etc. In addition, the glove boxes of some luxury cars also have cooling or heating functions, which can be used to store drinks or other items that need to be kept at a specific temperature; some glove boxes also have anti-theft functions to protect the driver's valuables.

[0003] Existing automobile glove box 1 is as Figure 1 As shown, it is formed by injection molding with a lot of ribs 101 around the outside of the glove box 1. Therefore, after the mold is opened, the core block on the outside of the glove box 1 needs to be demolded by a driving source, and then the glove box 1 product is ejected by an ejector mechanism. That is, the existing demoulding device and the ejector mechanism are independent of each other, which makes the overall structure of the mold complicated. At the same time, the setting of the ejector will also make the overall structure of the mold more complicated. For example, the setting between the cooling water pipe and the ejector needs to consider the interference. For this reason, an injection mold for a car glove box is proposed to solve the above technical problems. Summary of the invention

[0004] One of the purposes of the present application is to provide an injection mold for an automobile glove box.

[0005] To achieve the above objectives, the technical solution adopted in the present application is: an injection mold for an automobile glove box, comprising a fixed mold, a movable mold, a driving mechanism and a plurality of molding components, wherein the movable mold is used to mold the inner cavity of the glove box, and the plurality of molding components cooperate with each other to mold the outer side of the glove box, the molding component is movably arranged in the fixed mold, the driving mechanism is installed in the fixed mold and the output end is connected to the molding component; when demolding, the driving mechanism is suitable for driving the molding component to move in a first direction, thereby lifting the glove box from the fixed mold; at the same time, the driving mechanism is also suitable for driving the molding component to move in a second direction, thereby separating the glove box from the molding component; wherein the first direction and the second direction are perpendicular to each other.

[0006] Preferably, the molding component is tilted and slidably matched with the fixed mold through a sliding component, and the driving mechanism includes a driving device and a plurality of ejector rods, the driving device is installed at the lower end of the fixed mold, the bottom end of the ejector rod is vertically installed at the output end of the driving device, and the top end of the ejector rod is matched with the corresponding bottom end of the molding component through a movable structure; when demolding, the driving device is suitable for driving the ejector rod to move vertically upward, and then through the movable structure, the molding component is tilted and slid upward along the fixed mold, so as to realize the synchronous movement of the molding component in the first direction and the second direction.

[0007] Preferably, the sliding assembly includes a slide bar and a slide groove, the slide bar is tilted and fixedly installed in the fixed mold, the slide groove is arranged on the side of the molding assembly, and the slide bar and the slide groove form a sliding fit.

[0008] Preferably, the movable structure includes a movable groove and a movable block, the movable block is installed at the top end of the top rod, the movable groove is arranged at the bottom end of the forming component, and the movable block forms a sliding fit with the movable groove; or the movable structure includes a movable rod, the bottom end of the movable rod is hinged to the top end of the top rod, and the top end of the movable rod is hinged to the bottom end of the forming component.

[0009] Preferably, several of the molding components include a first molding block, a second molding block and a telescopic piece, the first molding block is used to mold the side of the glove box and cooperate with the top rod, the second molding block is used to mold multiple deep ribs on the side of the glove box, the second molding block is slidably arranged in the first molding block, the telescopic piece is installed on the first molding block and the output end is connected to the second molding block; when demolding, the telescopic piece is suitable for first moving the second molding block along the extension direction of the deep ribs so that the second molding block is separated from the deep ribs.

[0010] Preferably, a positioning assembly is provided between the fixed mold and the movable mold; when the molds are closed, the positioning assembly is suitable for making the fixed mold and the movable mold fit accurately, and the positioning assembly is also suitable for locking the second molding block.

[0011] Preferably, the positioning assembly includes a positioning block and a positioning groove, the positioning block is installed on the movable mold, and the gap between the second molding block and the fixed mold forms the positioning groove; when the mold is closed, the positioning block is suitable for plugging and fitting with the positioning groove, and the positioning block and the second molding block are abutted against each other.

[0012] Preferably, a pouring gate and a pouring pipe are provided in the fixed mold, the pouring gate is in an "L"-shaped structure, the pouring pipe is vertically installed in the fixed mold and the bottom end is connected with the first end of the pouring gate, the second end of the pouring gate is connected with the cavity of the molding glove box, and the bottom end of the pouring pipe is located above the cavity; the pouring gate includes a horizontal part and a vertical part that are connected and vertical, the horizontal part is horizontally arranged and connected with the pouring pipe, the vertical part is connected with the cavity, and the angle between the vertical part and the entrance of the cavity is α, wherein 100°≤α≤150°.

[0013] Preferably, the driving device includes a hydraulic cylinder and a push plate, the hydraulic cylinder is vertically installed on the fixed mold, the push plate is vertically slidably installed in the fixed mold and connected to the piston end of the hydraulic cylinder, and the push rod is installed on the push plate; an ejector pin is also installed on the top of the push plate, the ejector pin cooperates with the pouring gate, and the ejector pin is close to the junction of the horizontal part and the vertical part.

[0014] Preferably, the ejector pin comprises an upper pin and a lower column, the lower column is mounted on the ejector plate, and the bottom end of the upper pin is sealingly and slidably disposed in the cavity of the lower column; when the mold is closed, the cavity is suitable for introducing a pressure medium and locking the upper pin so that the upper pin cooperates with the pouring port; when the mold is demolded, the cavity is suitable for communicating with the outside and releasing the lock on the upper pin.

[0015] Compared with the prior art, the beneficial effects of this application are: The present invention is provided with a driving mechanism and a plurality of driving components. The driving mechanism can make the molding components move synchronously in two directions, so that the glove box can be lifted and demolded from the fixed mold. In this way, there is no need to use the ejector mechanism in the traditional mold, thereby simplifying the overall structure of the mold and reducing the complexity of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the existing glove box product structure.

[0017] Figure 2 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 3 It is a schematic diagram of the state after the movable mold and the fixed mold of the present invention are separated.

[0019] Figure 4 It is a schematic diagram of the structure of multiple molding components and driving mechanisms of the present invention.

[0020] Figure 5 It is a schematic diagram of the active components and active structure of the present invention.

[0021] Figure 6 It is a schematic diagram of the structure of one of the molding components of the present invention when it is not demoulded.

[0022] Figure 7 This is a schematic diagram of the working principle of one of the molding components of the present invention when demoulding.

[0023] Figure 8 It is a schematic diagram of the specific structure of one of the molding components of the present invention.

[0024] Fig. 9 It is a schematic diagram of the structure of the positioning component of the present invention.

[0025] Fig.10 It is a schematic diagram of the pouring tube and pouring port of the present invention.

[0026] Fig.11 It is a schematic structural diagram of the pouring gate and the molding pouring gate of the present invention.

[0027] Fig.12 It is a schematic diagram of the specific structure of the pouring nozzle of the present invention.

[0028] Fig.13 It is a schematic diagram of the structure of the pouring port and the cavity when they are matched with each other in the present invention.

[0029] Fig.14 It is a schematic diagram of the specific structure of the ejector pin of the present invention.

[0030] In the figure: 1. glove box; 101. rib body; 1011. deep rib position; 2. movable mold; 3. fixed mold; 4. driving mechanism; 401. driving device; 4011. hydraulic cylinder; 4012. ejector plate; 402. ejector rod; 5. molding assembly; 501. first molding block; 502. second molding block; 503. telescopic member; 6. sliding assembly; 601. slide bar; 602. slide groove; 7. ejector pin; 701. upper pin; 702. lower column; 8. movable structure; 801. movable block; 802. movable groove; 9. positioning assembly; 901. positioning block; 902. positioning groove; 10. pouring tube; 11. pouring gate; 1101. horizontal part; 1102. vertical part; 12. cavity; 13. cavity. DETAILED DESCRIPTION

[0031] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0032] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific scope of protection of the present application.

[0033] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0034] One of the preferred embodiments of the present application is as follows: Figures 1 to 14 As shown, an injection mold for a car glove box includes a fixed mold 3, a movable mold 2, a driving mechanism 4 and a plurality of molding components 5. The movable mold 2 is used to mold the inner cavity of the glove box 1, and the plurality of molding components 5 cooperate with each other to mold the outer side of the glove box 1, that is, the plurality of molding components 5 on the movable mold 2 and the fixed mold 3 cooperate with each other to mold the cavity 12 of the glove box 1, and the molding component 5 is movably arranged in the fixed mold 3, and the driving mechanism 4 is installed in the fixed mold 3 and the output end is connected to the molding component 5. It should be noted that in the present application, the molding components 5 are preferably set to four; of course, for different products, technicians in this field can set them according to actual conditions.

[0035] It can be understood that after the mold is formed, the movable mold 2 and the fixed mold 3 are first separated to open the mold; then when demolding, the driving mechanism 4 is started. The driving mechanism 4 can make the molding component 5 move synchronously in two directions. When the molding component 5 moves in the first direction, it can lift the glove box 1 from the fixed mold 3. At the same time, the molding component 5 also moves in the second direction, so that the lifted glove box 1 and the molding component 5 are demolded, thus realizing the entire demolding process; of course, the first direction and the second direction are different.

[0036] It can be seen that, by providing the driving mechanism 4 to cooperate with the molding assembly 5, when the glove box 1 product is molded, the multiple molding assemblies 5 directly participate in the molding of the outer side of the glove box 1, and at this time the fixed mold 3 only plays the role of installing the molding assembly 5, that is, the fixed mold 3 does not participate in the direct molding of the product. Therefore, when the molding assembly 5 moves, it can directly act on the movement of the glove box 1 product, and then realize the lifting and demoulding process of the glove box 1 through non-directional movement, so that there is no need to use the ejector mechanism in the traditional mold, thereby simplifying the overall structure of the mold and reducing the complexity of the mold.

[0037] On the other hand, the original traditional fixed mold 3 itself has a cavity, and now this cavity is formed by the cooperation of multiple molding components 5, that is, the cavity of the fixed mold 3 is now divided into multiple parts (i.e., multiple molding components 5), so when one of the molding components 5 is damaged, only the corresponding molding component 5 needs to be replaced. In the past, if a part of the traditional fixed mold 3 was damaged, the entire fixed mold 3 needed to be replaced. Therefore, by adopting the cooperative setting of multiple molding components 5, the injection mold of the present application has higher flexibility and cost-effectiveness in maintenance and replacement.

[0038] It should be known that if Figure 1 As shown, there are many ribs 101 on the outside of the glove box 1 product; when demoulding, Figure 7 As shown, it is actually the inclined upward movement of the molding component 5. We can decompose this movement into sub-movement in the vertical direction (i.e., the first direction) and sub-movement in the horizontal direction (i.e., the second direction). Therefore, the first direction and the second direction are performed synchronously, and the directions of the two movements are perpendicular to each other. Specifically, when performing the inclined upward movement, since the molding component 5 and the ribs 101 on the outside of the glove box 1 are matched, the movement in the first direction can lift the glove box 1 upward. Although the molding component 5 and the ribs 101 of the glove box 1 are also separated in the second direction at this time, the two are still in a matched state (i.e., the two are not completely separated). When the molding component 5 moves upward at an inclined distance to the set distance, the molding component 5 will be completely separated from the glove box 1, thereby realizing the demoulding process of the product.

[0039] As a further description of the above implementation: Figure 3 and Figure 4 As shown, the molding component 5 is tilted and slidably matched with the fixed mold 3 through the sliding component 6, and the driving mechanism 4 includes a driving device 401 and a plurality of ejector rods 402. The driving device 401 is installed at the lower end of the fixed mold 3, and the bottom end of the ejector rod 402 is vertically installed at the output end of the driving device 401. The top end of the ejector rod 402 is matched with the bottom end of the corresponding molding component 5 through the movable structure 8.

[0040] It can be understood that when demolding, the driving device 401 can drive the push rod 402 to move vertically upward, and the push rod 402 will act on the molding component 5 through the movable structure 8. The molding component 5 can slide upward along the fixed mold 3 under the action of the sliding component 6, thereby realizing the synchronous movement of the molding component 5 in the first direction and the second direction.

[0041] It should be explained why the push rod 402 cooperates with the molding component 5 through the movable structure 8: since the push rod 402 can only move in the first direction (i.e., the vertical direction), and the molding component 5 can move synchronously in the first direction and the second direction, the movement of the molding component 5 in the second direction will be interfered by the push rod 402. At this time, the movable structure 8 is to ensure that the movement of the molding component 5 in the second direction will not be interfered.

[0042] The present application does not specifically limit the structure of the sliding assembly 6, and a specific embodiment is provided below for reference: like Figure 5 As shown, the sliding component 6 includes a slide bar 601 and a slide groove 602. The slide bar 601 is tilted and fixedly installed in the fixed mold 3, and the slide groove 602 is arranged on the side of the molding component 5. The slide bar 601 and the slide groove 602 form a sliding fit; that is, the sliding component 6 realizes an inclined sliding installation through the cooperation of the slide bar 601 and the slide groove 602.

[0043] Of course, there are many ways to structure the activity structure 8, including but not limited to the following two: Structure 1: Figure 5 As shown, the movable structure 8 includes a movable groove 802 and a movable block 801, the movable block 801 is installed at the top of the top rod 402, the movable groove 802 is set at the bottom of the molding assembly 5, and the movable block 801 and the movable groove 802 form a sliding fit. It can be understood that when the molding assembly 5 moves in the horizontal direction, the movable block 801 and the movable groove 802 will slide relative to each other, so that the top rod 402 will not interfere with the movement of the molding assembly 5.

[0044] Structure 2 (not shown): The movable structure 8 includes a movable rod, the bottom end of which is hinged to the top end of the top rod 402, and the top end of which is hinged to the bottom end of the forming assembly 5. It is understandable that when the forming assembly 5 moves in the horizontal direction, the movable rod will rotate, so that the top rod 402 will not interfere with the movement of the forming assembly 5.

[0045] It should be noted that both structures can meet actual needs, and technicians in this field can make a choice based on actual conditions.

[0046] like Figure 1As shown, among the ribs 101 on the outside of the glove box 1, the ribs 101 on different sides have different depths, and the ribs 101 on the front side are deeper, which we can call deep ribs 1011. The adhesion between the deep ribs 1011 and the corresponding molding components 5 will be greater. Therefore, in the subsequent demolding process, the molding components 5 here will exert a greater force on the glove box 1 product, which will cause the product to be unevenly stressed during the demolding process and the product will be easily damaged.

[0047] Therefore, in order to solve the above technical problems, in one embodiment of the present application, Figure 8 As shown, this molding assembly 5 includes a first molding block 501, a second molding block 502 and a telescopic member 503 (hereinafter referred to as a special design of the molding assembly 5), wherein the first molding block 501 is used to mold the side of the glove box 1 and cooperate with the top rod 402, the second molding block 502 is used to mold multiple deep ribs 1011 on the side of the glove box 1, the second molding block 502 is slidably arranged in the first molding block 501, and the telescopic member 503 is installed on the first molding block 501 and the output end is connected to the second molding block 502.

[0048] It is understandable that when demoulding, the telescopic member 503 can be started first, so that the second molding block 502 moves along the extension direction of the deep rib position 1011, and the second molding block 502 is separated from the corresponding deep rib position 1011. Of course, the two do not need to be completely separated, because as long as the two move relative to each other for a certain distance, there will be almost no relative adhesion between the two. Subsequently, during the demoulding process of lifting and demoulding multiple molding components 5, although the first molding block 501 still has a certain adhesion to the side of the glove box 1, it will be greatly reduced compared to the previous one, so that the glove box 1 is more evenly stressed when being separated, thereby improving product quality. The telescopic member 503 can preferably use a hydraulic cylinder.

[0049] It should be noted that the special design of the above-mentioned molding component 5 is set according to the deep ribs 1011 of the corresponding side of the product. Specifically in this application, the front side of the glove box 1 has multiple deep ribs 1011, so only one special design of the above-mentioned molding component 5 needs to be adopted. If for other products, multiple sides have deep ribs 1011, then the corresponding multiple molding components 5 can all adopt the above-mentioned special design.

[0050] Furthermore, assuming that the glove box 1 product has deep ribs 1011 on all four sides, it can also adopt the above-mentioned special design of the molding component 5 (that is, four). Although the force is evenly distributed during the subsequent demolding process, the adhesion between the deep ribs 1011 and the molding component 5 is too large. Therefore, the above-mentioned special design can realize the distributed demolding process of the molding component 5, thereby greatly reducing the force on the product and preventing product damage.

[0051] In one of the embodiments of the present application, Fig. 9 As shown, a positioning assembly 9 is provided between the fixed mold 3 and the movable mold 2. It is understandable that, when the molds are closed, the positioning assembly 9 can make the fixed mold 3 and the movable mold 2 fit accurately, and on the other hand, the positioning assembly 9 can also lock the second molding block 502.

[0052] Specifically, the positioning assembly 9 includes a positioning block 901 and a positioning groove 902. The positioning block 901 is installed on the movable mold 2, and the gap between the second molding block 502 and the fixed mold 3 forms the positioning groove 902. It can be understood that when the mold is closed, the positioning block 901 will be inserted into the positioning groove 902, and at the same time, the positioning block 901 and the second molding block 502 will be matched, thereby locking the second molding block 502, so that when the telescopic member 503 fails or has a precision error, it can also ensure that the second molding block 502 is located at the correct mold closing position.

[0053] In this embodiment, Fig.10 As shown in (A) and (B), a pouring gate 11 and a pouring pipe 10 are provided in the fixed mold 3. The pouring gate 11 is in an "L"-shaped structure. The pouring pipe 10 is vertically installed in the fixed mold 3 and the bottom end is connected to the first end of the pouring gate 11. The second end of the pouring gate 11 is connected to the cavity 12 of the molding glove box 1, and the bottom end of the pouring pipe 10 is located above the cavity 12.

[0054] It is understandable that, since the pouring tube 10 is located above the cavity 12, the injection liquid from the pouring tube 10 will flow into the cavity 12 under the buffering effect of the pouring port 11. Since the pouring port 11 is an "L"-shaped structure, the pouring port 11 includes a horizontal portion 1101 and a vertical portion 1102 that are connected and vertical, wherein the horizontal portion 1101 is horizontally arranged and connected to the pouring tube 10, and the vertical portion 1102 is connected to the cavity 12 (entrance), and since there is a height difference between the pouring tube 10 and the cavity 12, as shown in FIG. Fig.12As shown, the state of the vertical part 1102 can be inclined. Then the flow order of the injection molding liquid is: from the pouring tube 10 to the horizontal part 1101 set horizontally, and then the horizontal part 1101 can play a buffering role for the injection molding liquid, greatly slowing down the flow rate of the injection molding liquid; then the injection molding liquid will enter the inclined vertical part 1102, so the injection molding liquid can be accelerated under the action of gravity, and finally enter the cavity 12 from the vertical part 1102. This design is to ensure that the injection molding liquid can reach a relatively uniform flow rate and pressure before entering the cavity 12, thereby improving the quality of injection molding. Moreover, through this design, molding defects caused by excessive flow rate of the injection molding liquid, such as bubbles, weld lines, etc., can be effectively reduced, thereby improving product quality.

[0055] Further, such as Fig.13 As shown in (C), it is the solid form of the injection liquid after cooling and solidification at the pouring gate 11 (which can be understood as the pouring gate 11 after molding), and because it is compatible with the pouring gate 11, it can be equated with the shape and structure of the pouring gate 11. Fig.13 As shown in (D) in FIG. 1 , we can set the angle between the vertical portion 1102 and the entrance of the cavity 12 to be α, and α is an obtuse angle, preferably set to: 100°≤α≤150°.

[0056] For example, assuming that α is about 90°, it means that the vertical portion 1102 is similar to the horizontal portion 1101, and it is also in a horizontal position. Therefore, at this time, the vertical portion 1102 also mainly plays a role of buffering the injection molding liquid, so that the flow rate of the injection molding liquid entering the cavity 12 does not meet the requirements, affecting the effect and efficiency of injection molding. Assuming that α is about 170°, it means that the vertical portion 1102 is in a nearly vertical state, so the vertical portion 1102 will have a great acceleration effect on the injection molding liquid, causing the injection molding liquid to enter the cavity 12 The flow rate is too large, affecting the product quality. Therefore, α is set between 100° and 150°, which can effectively control the flow rate and pressure of the injection molding liquid, ensuring that it reaches a relatively ideal flow rate and pressure when entering the cavity 12, thereby ensuring the quality of injection molding.

[0057] In this embodiment, Figure 4 As shown, the driving device 401 includes a hydraulic cylinder 4011 and a top plate 4012. The hydraulic cylinder 4011 is vertically installed on the fixed mold 3. The top plate 4012 is vertically slidably installed in the fixed mold 3 and is connected to the piston end of the hydraulic cylinder 4011. The top rod 402 is installed on the top plate 4012. A ejector pin 7 is also installed on the top of the top plate 4012. The ejector pin 7 cooperates with the pouring port 11, and the ejector pin 7 is close to the junction of the horizontal portion 1101 and the vertical portion 1102.

[0058] It is understandable that when demolding, the driving device 401 can drive the top plate 4012 to move upward, and then the multiple molding components 5 can be lifted and demolded through the ejector rod 402. At the same time, the ejector pin 7 can cooperate with the pouring gate 11 to eject the solidified injection liquid in the pouring gate 11, so as to facilitate the subsequent re-molding of the product. Since the pouring gate 11 is an "L"-shaped structure, the ejection position of the ejector pin 7 is preferably set at the junction of the horizontal part 1101 and the vertical part 1102, that is, near the center of the pouring gate 11. This ensures that the ejector pin 7 applies a uniform force to the molded pouring gate 11 during the ejection process, so that it can be ejected smoothly. Specifically, the ejection point of the molded pouring gate 11 is Fig.13 Point E in (C).

[0059] Further, such as Fig.14 As shown, the ejector pin 7 includes an upper pin 701 and a lower column 702. The lower column 702 is mounted on the top plate 4012. The bottom end of the upper pin 701 is sealingly slidably disposed in the cavity 13 of the lower column 702. A joint is provided on the outer side of the lower column 702 corresponding to the bottom end of the cavity 13, and a pressure medium (such as liquid or gas) can be introduced into the cavity 13 through the joint.

[0060] It is understandable that, when closing the mold, we allow gas to enter the cavity 13, and then under the action of air pressure, the bottom end of the upper needle 701 is limited and locked at the highest point of the cavity 13, and the upper needle 701 just matches the pouring port 11. When demolding, the cavity 13 is first connected to the outside, so that the effect on the upper needle 701 can be released. Therefore, in the subsequent upward lifting process, since the upper needle 701 is connected to the molded pouring port 11, the lower column 702 will slide relative to the upper needle 701, and the upper needle 701 remains stationary. The pouring port 11 can be set on the mounting block, and the mounting block is fixedly mounted on the fixed mold 3. At this time, the molding assembly 5 will drive the product to lift and move upward. Since the contact area between the molded pouring port 11 and the mounting block is large, the contact range between the product and the molded pouring port 11 is small, so when the product is ejected, it will be separated from the molded pouring port 11, and at this time, the molded pouring port 11 is still located on the mounting block. When the top plate 4012 continues to move upward, the bottom end of the upper needle 701 abuts against the cavity 13 in the lower column 702, so that the upper needle 701 can eject and separate the molded pouring port 11.

[0061] It can be seen that when ejecting the product, the product can be automatically separated from the molded pouring gate 11, so that the product does not need to be trimmed later; and the ejector pin 7 can also eject the molded pouring gate 11 from the fixed mold 3, so as to prepare for the next injection molding, thereby improving production efficiency. In addition, through the above design, the damage that may be caused by manually separating the product and the pouring gate 11 can be effectively avoided, ensuring the integrity and quality of the product while also greatly reducing the workload of the operator.

[0062] The working principle of the present invention is: After the product is injection molded, the mold opening process is first carried out, such as Figure 3 As shown, the movable mold 2 is separated from the fixed mold 3. Then the telescopic member 503 is started, so that the second molding block 502 moves along the extension direction of the deep rib position 1011, and the second molding block 502 is separated from the corresponding deep rib position 1011; at this time, the joint can be opened to connect the cavity 13 with the outside to release the lock on the upper needle 701. Then the hydraulic cylinder 4011 is started, so that the top plate 4012 and the top rod 402 are synchronously moved upward, and the top rod 402 causes the (four) molding components 5 to slide obliquely upward through the movable structure 8, so as to eject the glove box 1 product and separate it from it; of course, when the product is ejected, it will be separated from the molded pouring port 11. As the top plate 4012 continues to move upward, the bottom end of the upper needle 701 is against the cavity 13 in the lower column 702, so that the upper needle 701 can eject and separate the molded pouring port 11.

[0063] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. An injection mold for an automobile glove box, characterized in that: include: A fixed mold, a movable mold, a driving mechanism and a plurality of molding components, wherein the movable mold is used to mold the inner cavity of the glove box, and the plurality of molding components cooperate with each other to mold the outer side of the glove box, the molding components are movably arranged in the fixed mold, the driving mechanism is installed in the fixed mold and the output end is connected to the molding components; During demolding, the driving mechanism is suitable for driving the molding assembly to move in a first direction, thereby lifting the glove box from the fixed mold; at the same time, the driving mechanism is also suitable for driving the molding assembly to move in a second direction, thereby separating the glove box from the molding assembly; wherein the first direction and the second direction are perpendicular to each other.

2. The injection mold for the automotive glove box according to claim 1, characterized in that: The molding assembly is slidably matched with the fixed mold through a sliding assembly, and the driving mechanism includes a driving device and a plurality of ejector rods. The driving device is installed at the lower end of the fixed mold, and the bottom end of the ejector rod is vertically installed at the output end of the driving device. The top end of the ejector rod is matched with the bottom end of the corresponding molding assembly through a movable structure. During demoulding, the driving device is suitable for driving the ejector rod to move vertically upward, and then the movable structure is used to make the molding assembly slide obliquely upward along the fixed mold, so as to realize synchronous movement of the molding assembly in the first direction and the second direction.

3. The injection mold for the automotive glove box according to claim 2, characterized in that: The sliding assembly includes a slide bar and a slide groove. The slide bar is fixedly installed in the fixed mold at an angle. The slide groove is arranged on the side of the molding assembly. The slide bar and the slide groove form a sliding fit.

4. The injection mold for the automotive glove box according to claim 3, characterized in that: The movable structure includes a movable groove and a movable block, wherein the movable block is installed at the top end of the ejector rod, the movable groove is arranged at the bottom end of the molding assembly, and the movable block and the movable groove form a sliding fit; Or the movable structure includes a movable rod, the bottom end of the movable rod is hinged to the top end of the top rod, and the top end of the movable rod is hinged to the bottom end of the forming assembly.

5. The injection mold for the automotive glove box according to any one of claims 2 to 4, characterized in that: The plurality of molding assemblies include a first molding block, a second molding block and a telescopic member, wherein the first molding block is used to mold the side of the glove box and cooperates with the ejector rod, the second molding block is used to mold a plurality of deep ribs on the side of the glove box, the second molding block is slidably disposed in the first molding block, the telescopic member is installed on the first molding block and the output end is connected to the second molding block; During demoulding, the telescopic member is suitable for first moving the second molding block along the extension direction of the deep rib to separate the second molding block from the deep rib.

6. The injection mold for the automotive glove box according to claim 5, characterized in that: A positioning assembly is provided between the fixed mold and the movable mold; when the molds are closed, the positioning assembly is suitable for making the fixed mold and the movable mold fit accurately, and the positioning assembly is also suitable for locking the second molding block.

7. The injection mold for the automotive glove box according to claim 6, characterized in that: The positioning assembly includes a positioning block and a positioning groove. The positioning block is installed on the movable mold. The gap between the second molding block and the fixed mold forms the positioning groove. When the mold is closed, the positioning block is suitable for plugging and matching with the positioning groove, and the positioning block and the second molding block are abutted against each other.

8. The injection mold for the automotive glove box according to claim 2, characterized in that: The fixed mold is provided with a pouring port and a pouring pipe, the pouring port is in an "L"-shaped structure, the pouring pipe is vertically installed in the fixed mold and the bottom end is connected with the first end of the pouring port, the second end of the pouring port is connected with the cavity of the molding glove box, and the bottom end of the pouring pipe is located above the cavity; The pouring port includes a horizontal portion and a vertical portion which are connected and perpendicular to each other. The horizontal portion is horizontally arranged and connected to the pouring pipe, and the vertical portion is connected to the cavity. The angle between the vertical portion and the entrance of the cavity is α, wherein 100°≤α≤150°.

9. The injection mold for the automotive glove box according to claim 8, characterized in that: The driving device includes a hydraulic cylinder and a push plate, wherein the hydraulic cylinder is vertically mounted on the fixed mold, the push plate is vertically slidably mounted in the fixed mold and is connected to the piston end of the hydraulic cylinder, and the push rod is mounted on the push plate; an ejector pin is also mounted on the top of the push plate, the ejector pin cooperates with the pouring port, and the ejector pin is close to the junction of the horizontal portion and the vertical portion.

10. The injection mold for the automotive glove box according to claim 9, characterized in that: The ejector pin comprises an upper pin and a lower column, wherein the lower column is mounted on the ejector plate, and the bottom end of the upper pin is sealingly and slidably disposed in the cavity of the lower column; when the mold is closed, the cavity is suitable for introducing a pressure medium and locking the upper pin so that the upper pin cooperates with the pouring port; when the mold is demolded, the cavity is suitable for communicating with the outside and releasing the lock on the upper pin.

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