A plastic baffle injection mold for automobiles

Abstract

This utility model belongs to the field of automotive plastic baffle injection molding technology, specifically an automotive plastic baffle injection mold, including a U-shaped frame, with a hydraulic cylinder fixedly connected to the top of the U-shaped frame; a second module fixedly connected to the output ends of two hydraulic cylinders; a first limiting rod fixedly connected to the top of the second module, with the two first limiting rods arranged correspondingly; a first module fixedly connected to the top of the U-shaped frame; a push block and a second limiting rod slidably connected inside the second module; and a fixing protrusion fixedly connected to the bottom of the U-shaped frame. This utility model improves the functionality and convenience of the mold by setting a push block, a fixing plate, a second limiting rod, and a fixing protrusion to eject the injection-molded product, achieving automated demolding of the injection-molded product, which helps solve the problem of large injection-molded products being difficult to detach from the mold, and improves the work efficiency of the workers.

Description

Technical Field

[0001] This utility model belongs to the field of injection molding technology for automotive plastic baffles, specifically an injection mold for automotive plastic baffles. Background Technology

[0002] Plastic molds are tools used in the plastics processing industry in conjunction with plastic molding machines to give plastic products a complete shape and precise dimensions. Plastic baffles for automobiles are plastic parts used inside or outside automobiles, usually for shielding, protecting or decorating certain areas. They are generally divided into interior plastic baffles, exterior plastic baffles and other plastic baffles.

[0003] The existing injection molds for automotive plastic baffles are relatively similar to those for traditional small plastic products, and their working principles are the same. However, because some automotive baffles are large in size, there is a large area of ​​close contact between the molded product and the mold after injection molding, which can easily lead to problems with the molded product not being easy to remove. If it is forcibly removed, the molded product is easily damaged.

[0004] Therefore, this utility model provides an injection mold for plastic baffles used in automobiles. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A plastic baffle injection mold for automobiles, comprising a U-shaped frame, with a hydraulic cylinder fixedly connected to the top of the U-shaped frame, and two hydraulic cylinders arranged correspondingly; a second module fixedly connected to the output ends of the two hydraulic cylinders; a first limiting rod fixedly connected to the top of the second module, with two first limiting rods arranged correspondingly and in a sliding connection relationship with the U-shaped frame; a first module fixedly connected to the top of the U-shaped frame, and the first module being positioned corresponding to the second module; the second module... The block has a sliding connection between a push block and a second limiting rod. Two push blocks are arranged correspondingly, and four second limiting rods are arranged correspondingly. A fixing plate is fixedly connected to the bottom of the push block and the second limiting rod. A fixing protrusion is fixedly connected to the bottom of the U-shaped frame, and the fixing protrusion is positioned corresponding to the fixing plate. This step, by setting the push block, fixing plate, second limiting rod, and fixing protrusion to eject the injection molded product, improves the functionality and convenience of the mold, realizes the automated demolding of the injection molded product, helps to solve the problem that large injection molded products are not easy to fall out of the mold, and improves the work efficiency of the staff.

[0007] Preferably, the second module has an exhaust hole at its top, and multiple exhaust holes are arranged correspondingly; the second module has a threaded groove at its bottom, and multiple threaded grooves are arranged corresponding to the positions of the exhaust holes; an exhaust valve is provided inside the exhaust hole; a threaded cylinder is threadedly connected to the side wall of the threaded groove; a fixed cylinder and a knob are respectively fixed to the top and bottom of the threaded cylinder, and the fixed cylinder is arranged to correspond to the size of the exhaust hole; a sealing ring is provided at the top of the fixed cylinder; an exhaust groove is provided at the top of the fixed cylinder, and multiple exhaust grooves are arranged in a circumferential array; this step, by setting exhaust holes and exhaust valves, discharges air between the first and second modules, and by setting fixed components to fix the exhaust valve, prevents the exhaust valve from falling off, improves the flexibility and stability of the injection mold, and helps to avoid air remaining between the first and second modules, thus preventing residual air from affecting the quality of the injection molded product.

[0008] Preferably, a third limiting rod is fixed to the bottom of the U-shaped frame, and multiple third limiting rods are arranged in a corresponding manner; a limiting groove is opened at the bottom of the second module, and multiple limiting grooves are set to correspond to the position and size of the third limiting rods; this step restricts the movement posture of the second module by setting the third limiting rod and the limiting groove in conjunction with the first limiting rod, thereby preventing the second module from leaking during movement, further enhancing the stability of the injection mold, helping to avoid leakage of the injection mold, and extending the service life of the mold.

[0009] Preferably, the top of the fixed protrusion is threaded with a first adjusting nut, and multiple first adjusting nuts are arranged in a corresponding manner. This step replaces the fixed protrusion with the first adjusting nut in contact with the bottom of the fixed plate. By utilizing the threaded connection between the first adjusting nut and the fixed protrusion, the height of multiple first adjusting nuts can be adjusted, thereby ensuring that the tops of multiple first adjusting nuts are always on the same plane, which helps to reduce the production difficulty of the mold.

[0010] Preferably, a contact groove is provided on the side wall of the first module, and two contact grooves are arranged correspondingly; a second adjusting nut is threadedly connected to the side wall of the contact groove, and multiple second adjusting nuts are arranged corresponding to the positions of the second limiting rod; this step reduces the processing difficulty of the mold and reduces the production cost of the mold by setting the second adjusting nut to contact the top of the second limiting rod. By opening a contact groove on the side wall of the first module, the contact between the second adjusting nut and the second limiting rod is made visible, which provides convenience for the daily maintenance of the staff.

[0011] Preferably, a fixed back plate is fixedly connected to the side wall of the U-shaped frame, and the fixed back plate is set according to the size of the U-shaped frame. This step provides convenience for workers to pick up the injection molded finished products by setting the U-shaped frame, and the fixed back plate strengthens the structural strength of the U-shaped frame, which is conducive to improving the stability of the mold.

[0012] Preferably, the U-shaped frame, the first module, the second module, and the push block are made of mold steel. This step, by using mold steel for the U-shaped frame, the first module, the second module, and the push block, avoids component jamming, improves the corrosion resistance of the components, and helps extend the service life of the mold.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. The plastic baffle injection mold for automobiles described in this utility model improves the functionality and convenience of the mold by setting a push block, a fixing plate, a second limiting rod, and a fixing protrusion to eject the injection molded product. It realizes the automated demolding of the injection molded product, which helps to solve the problem that large injection molded products are not easy to fall out of the mold and improves the work efficiency of the staff.

[0015] 2. The plastic baffle injection mold for automobiles described in this utility model discharges air between the first module and the second module by setting an exhaust hole and an exhaust valve. The exhaust valve is fixed by a fixing component to prevent it from falling off, which improves the flexibility and stability of the injection mold and helps to avoid air remaining between the first module and the second module, thus preventing residual air from affecting the quality of the injection molded product. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a schematic diagram of the push block in this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the first module in this utility model;

[0020] Figure 4 This is a schematic diagram of the U-shaped frame in this utility model;

[0021] Figure 5 This is a schematic diagram of the exhaust port structure in this utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the fixed cylinder in this utility model.

[0023] In the diagram: 1. U-shaped frame; 11. Hydraulic cylinder; 12. First limiting rod; 13. First module; 14. Second module; 15. Push block; 16. Fixing plate; 17. Second limiting rod; 18. Fixing protrusion; 2. Vent hole; 21. Threaded groove; 22. Vent valve; 23. Sealing ring; 24. Fixing cylinder; 25. Threaded cylinder; 26. Knob; 27. Vent groove; 3. Third limiting rod; 4. First adjusting nut; 5. Second adjusting nut; 6. Fixing back plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] Specific implementation examples are given below.

[0026] like Figures 1 to 5As shown, an injection mold for a plastic baffle used in automobiles according to an embodiment of this utility model includes a U-shaped frame 1. A hydraulic cylinder 11 is fixedly connected to the top of the U-shaped frame 1, and two hydraulic cylinders 11 are arranged correspondingly. A second module 14 is fixedly connected to the output ends of the two hydraulic cylinders 11. A first limiting rod 12 is fixedly connected to the top of the second module 14, and two first limiting rods 12 are arranged correspondingly and are slidably connected to the U-shaped frame 1. A first module 13 is fixedly connected to the top of the U-shaped frame 1, and the first module 13 is positioned corresponding to the second module 14. The second module 14... An internal sliding connection includes push blocks 15 and second limiting rods 17. Two push blocks 15 are correspondingly arranged, and four second limiting rods 17 are correspondingly arranged. A fixing plate 16 is fixedly connected to the bottom of each push block 15 and second limiting rod 17. A fixing protrusion 18 is fixedly connected to the bottom of the U-shaped frame 1, and the fixing protrusion 18 is positioned corresponding to the fixing plate 16. During operation, the operator can drive two hydraulic cylinders 11 to raise the height of the second module 14, causing the second module 14 to close with the first module 13, thereby performing the injection molding operation of the automotive plastic baffle. During the process, whenever… When the second module 14 rises to the point where the first module 13 is closed, the tops of the four second limiting rods 17 slidably connected inside the second module 14 will contact the bottom of the first module 13. At this time, since the push block 15 and the corresponding second limiting rods 17 are simultaneously fixed to the top of the fixing plate 16, as the second module 14 continues to rise, the height of the push block 15 will decrease relative to the second module 14 until it is parallel to the top surface of the second module 14. When the injection molding is completed, and the second module 14 descends under the action of the hydraulic cylinder 11, the bottom of the fixing plate 16 will then contact the bottom of the first module 13. When the pusher block 15 touches the top of the fixed protrusion 18, its height relative to the second module 14 will rise, thereby pushing out the injection-molded product. The U-shaped frame 1 serves to fix the entire structure, and the first limiting rod 12 prevents the second module 14 from shifting. This step, by setting the pusher block 15, the fixed plate 16, the second limiting rod 17, and the fixed protrusion 18 to push out the injection-molded product, improves the functionality and convenience of the mold, realizes the automated demolding of the injection-molded product, helps to solve the problem that large injection-molded products are not easy to fall out of the mold, and improves the work efficiency of the staff.

[0027] like Figure 5 and Figure 6As shown, the top of the second module 14 has an exhaust port 2, and multiple exhaust ports 2 are arranged correspondingly; the bottom of the second module 14 has a threaded groove 21, and multiple threaded grooves 21 are arranged corresponding to the positions of the exhaust ports 2; an exhaust valve 22 is provided inside the exhaust port 2; a threaded cylinder 25 is threadedly connected to the side wall of the threaded groove 21; a fixed cylinder 24 and a knob 26 are fixedly connected to the top and bottom of the threaded cylinder 25 respectively, and the fixed cylinder 24 is arranged to correspond to the size of the exhaust port 2; a sealing ring 23 is provided on the top of the fixed cylinder 24; an exhaust groove 27 is provided on the top of the fixed cylinder 24, and multiple exhaust grooves 27 are arranged in a circumferential array; during operation, the operator can use the fixing assembly composed of the fixed cylinder 24, the threaded cylinder 25, and the knob 26 to fix the exhaust valve 22 inside the exhaust port 2, thereby using the exhaust port 2 and the exhaust valve 22 to exhaust the air between the first module 13 and the second module 14. During the process, the operator can first open the exhaust valve The vent valve 22 is inserted into the vent hole 2 from the bottom of the second module 14. Then, by means of the threaded connection between the threaded cylinder 25 and the threaded groove 21, the fixing assembly consisting of the fixing cylinder 24, the threaded cylinder 25, and the knob 26 is tightened to the bottom of the second module 14. Whenever the fixing assembly is tightened to the bottom of the second module 14, the top of the fixing cylinder 24 will press the vent valve 22 into a predetermined position through the sealing ring 23. In addition, the vent grooves 27, which are opened on the top of the fixing cylinder 24 and distributed in a circumferential array, serve to prevent the vent valve 22 from being blocked. This step, by setting the vent hole 2 and the vent valve 22, discharges the air between the first module 13 and the second module 14. By setting the fixing assembly to fix the vent valve 22, the vent valve 22 is prevented from falling off, which improves the flexibility and stability of the injection mold and helps to prevent air from remaining between the first module 13 and the second module 14, thus preventing residual air from affecting the quality of the injection molded product.

[0028] like Figure 1 and Figure 4 As shown, a third limiting rod 3 is fixedly connected to the bottom of the U-shaped frame 1, and multiple third limiting rods 3 are arranged correspondingly; a limiting groove is opened at the bottom of the second module 14, and multiple limiting grooves are set with positions and dimensions corresponding to the third limiting rods 3; during operation, whenever the second module 14 moves under the action of the hydraulic cylinder 11, the multiple third limiting rods 3 fixed to the bottom of the U-shaped frame 1 always contact the side wall of the limiting groove. The multiple third limiting rods 3 can restrict the movement of the second module 14 by contacting the limiting groove, thus preventing it from deviating; this step restricts the movement posture of the second module 14 by setting the third limiting rod 3 and the limiting groove in conjunction with the first limiting rod 12, thereby preventing the second module 14 from deviating during movement, further enhancing the stability of the injection mold, which is beneficial to preventing leakage of the injection mold and extending the service life of the mold.

[0029] like Figure 2As shown, the top of the fixed protrusion 18 is threadedly connected to a first adjusting nut 4, and multiple first adjusting nuts 4 are arranged correspondingly. During operation, the operator can adjust the height of multiple first adjusting nuts 4 separately by means of the threaded connection between the first adjusting nuts 4 and the fixed protrusion 18, so that the tops of multiple first adjusting nuts 4 are in the same horizontal plane. This step, by setting the first adjusting nuts 4 to replace the fixed protrusion 18 in contact with the bottom of the fixed plate 16, and by utilizing the threaded connection between the first adjusting nuts 4 and the fixed protrusion 18, makes the height of multiple first adjusting nuts 4 adjustable, thereby ensuring that the tops of multiple first adjusting nuts 4 are always in the same plane, which helps to reduce the production difficulty of the mold.

[0030] like Figure 3 As shown, a contact groove is provided on the side wall of the first module 13, and two contact grooves are arranged correspondingly. A second adjusting nut 5 is threadedly connected to the side wall of the contact groove, and multiple second adjusting nuts 5 are arranged corresponding to the positions of the second limiting rods 17. During operation, whenever the second module 14 moves upward under the action of the hydraulic cylinder 11, multiple second limiting rods 17 will contact the corresponding second adjusting nuts 5 respectively. The operator can adjust multiple second adjusting nuts 5 to the same horizontal plane by contacting the threaded connection between the second adjusting nuts 5 and the contact groove. At the same time, the contact groove serves to accommodate the second adjusting nuts 5, while making the contact between the second limiting rods 17 and the second adjusting nuts 5 visible. This step reduces the processing difficulty of the mold and reduces the production cost of the mold by setting the second adjusting nuts 5 to contact the top of the second limiting rods 17. By opening contact grooves on the side wall of the first module 13, the contact between the second adjusting nuts 5 and the second limiting rods 17 is made visible, which provides convenience for the daily maintenance of the operator.

[0031] like Figure 1 and Figure 5 As shown, a fixed back plate 6 is fixedly connected to the side wall of the U-shaped frame 1, and the fixed back plate 6 is set according to the size of the U-shaped frame 1. During operation, because the U-shaped frame 1 has a U-shaped structure, the operator can more conveniently remove the injection molded product. The fixed back plate 6 fixed to the side wall of the U-shaped frame 1 plays a role in strengthening the structural strength of the U-shaped frame 1. This step provides convenience for the operator to pick up the injection molded product by setting the U-shaped frame 1, and the fixed back plate 6 strengthens the structural strength of the U-shaped frame 1, which is conducive to improving the stability of the mold.

[0032] like Figures 1 to 4As shown, the U-shaped frame 1, the first module 13, the second module 14, and the push block 15 are made of mold steel. During operation, the U-shaped frame 1, the first module 13, the second module 14, and the push block 15, made of mold steel, can maintain their smooth surfaces for a long time, preventing the components from jamming and maintaining the corrosion resistance of the mold components. This step, by using mold steel for the U-shaped frame 1, the first module 13, the second module 14, and the push block 15, prevents the components from jamming, improves the corrosion resistance of the components, and helps to extend the service life of the mold.

[0033] During operation, the operator can raise the height of the second module 14 by driving two hydraulic cylinders 11, causing the second module 14 to close with the first module 13, thereby performing the injection molding operation of the automotive plastic baffle. During the process, whenever the second module 14 rises to the point where it closes with the first module 13, the tops of the four second limiting rods 17 slidably connected inside the second module 14 will contact the bottom of the first module 13. At this time, since the push block 15 and the corresponding second limiting rods 17 are simultaneously fixed to the top of the fixed plate 16, as the second module 14 continues to rise, the height of the push block 15 will decrease relative to the second module 14 until it is parallel to the top surface of the second module 14. After injection molding is completed, the second module 14 is... When the device 11 descends, the bottom of the fixing plate 16 will contact the top of the fixing protrusion 18. At this time, the height of the push block 15 will rise relative to the second module 14, thereby pushing out the injection-molded product. The U-shaped frame 1 plays an overall fixing role, and the first limiting rod 12 plays a role in preventing the second module 14 from shifting. The operator can use the fixing assembly consisting of the fixing cylinder 24, the threaded cylinder 25, and the knob 26 to fix the exhaust valve 22 inside the exhaust hole 2, thereby using the exhaust hole 2 and the exhaust valve 22 to discharge the air between the first module 13 and the second module 14. During the process, the operator can first insert the exhaust valve 22 into the exhaust hole 2 from the bottom of the second module 14, and then use the thread of the threaded cylinder 25 and the threaded groove 21 to discharge the air. The connection is established by tightening the fixing assembly, consisting of a fixed cylinder 24, a threaded cylinder 25, and a knob 26, to the bottom of the second module 14. Whenever the fixing assembly is tightened to the bottom of the second module 14, the top of the fixed cylinder 24 presses the exhaust valve 22 into a predetermined position via the sealing ring 23. Additionally, the exhaust grooves 27, located on the top of the fixed cylinder 24 and arranged in a circumferential array, prevent blockage of the exhaust valve 22. Whenever the second module 14 moves under the action of the hydraulic cylinder 11, the multiple third limiting rods 3 fixed to the bottom of the U-shaped frame 1 always contact the sidewalls of the limiting grooves. These third limiting rods 3 restrict the movement of the second module 14 by contacting the limiting grooves, preventing it from shifting. The operator can then use the first adjustment... The threaded connection between the adjusting nut 4 and the fixing protrusion 18 allows for individual adjustment of the height of the multiple first adjusting nuts 4, ensuring that the tops of the multiple first adjusting nuts 4 are on the same horizontal plane. Whenever the second module 14 moves upward under the action of the hydraulic cylinder 11, the multiple second limiting rods 17 will contact the corresponding second adjusting nuts 5. Workers can adjust the multiple second adjusting nuts 5 to the same horizontal plane by contacting the threaded connection between the second adjusting nuts 5 and the contact groove. Simultaneously, the contact groove serves to accommodate the second adjusting nuts 5 while making the contact between the second limiting rods 17 and the second adjusting nuts 5 visible. Because the U-shaped frame 1 has a U-shaped structure, workers can more easily remove the injection-molded product using its structure.The fixing back plate 6, which is fixed to the side wall of the U-shaped frame 1, strengthens the structural strength of the U-shaped frame 1. The U-shaped frame 1, first module 13, second module 14, and push block 15, made of mold steel, can maintain their smooth surfaces for a long time, preventing component jamming and maintaining the corrosion resistance of the mold components.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic bumper injection mold for automobiles, comprising a U-shaped frame (1), characterized in that: A hydraulic cylinder (11) is fixedly connected to the top of the U-shaped frame (1), and the two hydraulic cylinders (11) are arranged correspondingly; a second module (14) is fixedly connected to the output end of the two hydraulic cylinders (11); a first limiting rod (12) is fixedly connected to the top of the second module (14), the two first limiting rods (12) are arranged correspondingly, and the two first limiting rods (12) are slidably connected to the U-shaped frame (1); a first module (13) is fixedly connected to the top of the U-shaped frame (1), and the first module... (13) The position is set in relation to the second module (14); the second module (14) is internally slidably connected with a push block (15) and a second limiting rod (17), the two push blocks (15) are set in relation to each other, the four second limiting rods (17) are set in relation to each other, and a fixing plate (16) is fixedly connected to the bottom of the push block (15) and the second limiting rod (17); the bottom of the U-shaped frame (1) is fixedly connected with a fixing protrusion (18), and the fixing protrusion (18) is set in relation to the fixing plate (16).

2. The injection mold for a plastic baffle for automobiles according to claim 1, characterized in that: The second module (14) has an exhaust hole (2) at the top, and multiple exhaust holes (2) are arranged in a corresponding manner; the second module (14) has a threaded groove (21) at the bottom, and multiple threaded grooves (21) are arranged in a position corresponding to the exhaust hole (2); an exhaust valve (22) is provided inside the exhaust hole (2); a threaded cylinder (25) is threadedly connected to the side wall of the threaded groove (21); a fixed cylinder (24) and a knob (26) are fixedly connected to the top and bottom of the threaded cylinder (25), and the fixed cylinder (24) is arranged in a size corresponding to the exhaust hole (2); a sealing ring (23) is provided at the top of the fixed cylinder (24); an exhaust groove (27) is provided at the top of the fixed cylinder (24), and multiple exhaust grooves (27) are arranged in a circumferential array.

3. The injection mold for a plastic baffle for automobiles according to claim 1, characterized in that: The bottom of the U-shaped frame (1) is fixed with a third limiting rod (3), and multiple third limiting rods (3) are arranged in a corresponding manner; the bottom of the second module (14) is provided with a limiting groove, and multiple limiting grooves are set in a position and size corresponding to the third limiting rod (3).

4. The injection mold for a plastic baffle for automobiles according to claim 1, characterized in that: The top of the fixed protrusion (18) is threaded with a first adjusting nut (4), and multiple first adjusting nuts (4) are arranged in a corresponding manner.

5. The injection mold for a plastic baffle for automobiles according to claim 1, characterized in that: The first module (13) has a contact groove on its side wall, and the two contact grooves are arranged in a corresponding manner; the side wall of the contact groove is threaded with a second adjusting nut (5), and multiple second adjusting nuts (5) are arranged at positions corresponding to the second limiting rod (17).

6. The injection mold for a plastic baffle for automobiles according to claim 3, characterized in that: A fixed back plate (6) is fixedly connected to the side wall of the U-shaped frame (1), and the fixed back plate (6) is set according to the size of the U-shaped frame (1).

7. The injection mold for a plastic baffle for automobiles according to claim 6, characterized in that: The U-shaped frame (1), the first module (13), the second module (14), and the push block (15) are made of mold steel.

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