Combined die

Abstract

The utility model discloses a combined die which comprises an upper die base, a sliding groove is formed in the middle of the lower surface of the upper die base, an upper die plate is connected into the sliding groove in a sliding mode, a first groove is formed in one side of the inner top wall of the sliding groove, and a first spring is fixedly connected into the first groove. According to the combined die, through the arrangement of a first spring, a first limiting plate, a second spring and a second limiting plate, the upper die plate is connected with the upper die base through a sliding groove, under the elastic action of the first spring, the first limiting plate limits the front face of the upper die plate, and the lower die plate is placed in a containing groove, so that the lower die plate is prevented from moving during use; and then a second limiting plate is clamped in a limiting groove under the action of a second spring, the lower mold plate is prevented from being separated from the containing groove, the stability during use is improved, the upper mold plate and the lower mold plate which are the same in size and different in shape can be selected according to requirements, the mold has the function of being convenient to assemble and disassemble, and the applicability and practicability are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, and particularly relates to a combined mold. Background Technique

[0002] A mold is various molds and tools used in industrial production to obtain required products by methods such as injection molding, blow molding, extrusion, die casting, or forging and pressing forming, smelting, stamping, etc. In short, a mold is a tool for making formed articles. This tool is composed of various parts, and different molds are composed of different parts. It mainly realizes the processing of the outer shape of articles through the change of the physical state of the formed material. It has the title of "the mother of industry".

[0003] After retrieval, Chinese Patent Publication (Announcement) No. CN215965829U discloses a combined mold for producing stainless steel sheet bodies. The combined mold includes an upper mold and a lower mold arranged oppositely. The upper mold includes a stamping upper mold and a shaping upper mold arranged side by side. The lower mold includes a stamping lower mold and a shaping lower mold arranged side by side. The stamping upper mold and the stamping lower mold are respectively provided with a stamping pattern and a stamping hole, and the shaping upper mold and the shaping lower mold are respectively provided with a shaping pattern and a shaping hole. The combined mold of the utility model can simultaneously complete the batch stamping and shaping of stainless steel sheet bodies. The combined mold is not only convenient to use but also improves production efficiency.

[0004] Although the combined mold of the above patent can be used in batches, most of the molds are fixed structures and are not convenient for combined disassembly, thus reducing the practicability of the mold. Therefore, it is necessary to design a combined mold to solve the above problems. Content of the Utility Model

[0005] The main purpose of the utility model is to provide a combined mold, which can effectively solve the problems in the background technique.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A combined mold includes an upper mold base. A chute is opened in the middle of the lower surface of the upper mold base. An upper template is slidably connected inside the chute. A first groove is opened on one side of the inner top wall of the chute. A first spring is fixedly connected inside the first groove. One end of the first spring is fixedly connected with a first limiting plate. The lower surface of the upper mold base is movably connected with a lower mold base. A placement groove is opened in the middle of the upper surface of the lower mold base. A lower template is movably connected inside the placement groove. Second grooves are opened on both sides of the inner side surface of the placement groove. A second spring is fixedly connected inside the second groove. One end of the second spring is fixedly connected with a second limiting plate. Limiting grooves are opened on both sides of the outer surface of the lower template.

[0008] In order to achieve the effect of facilitating the control of the second limit plate, as a combined mold of the present utility model, a control rod is fixedly connected to the upper surface of the second limit plate, and a guide groove is opened on the upper surface of the lower mold base near one side of the control rod.

[0009] In order to achieve the effect of facilitating the picking up and placing of the lower template, as a combined mold of the present utility model, picking and placing grooves are opened on both sides of the upper surface of the lower mold base.

[0010] In order to achieve the effect of facilitating the driving of the upper template, as a combined mold of the present utility model, a handle is fixedly connected to the middle of the front surface of the upper template.

[0011] In order to achieve the effect of facilitating the support of the lower mold base, as a combined mold of the present utility model, bases are fixedly connected to both sides of the lower surface of the lower mold base, and a through hole is opened in the middle of the inner bottom wall of the base.

[0012] In order to achieve the effect of strengthening the moving stability of the sliding plate, as a combined mold of the present utility model, guide rods are fixedly connected to the four corners of the inner bottom wall of the base, and a sliding plate is slidably connected to the outer surface of the guide rod.

[0013] In order to achieve the effect of facilitating the ejection of materials, as a combined mold of the present utility model, a screw sleeve is fixedly connected to the middle of the upper surface of the sliding plate, and a ejector pin is threadedly connected to the inside of the screw sleeve.

[0014] In order to achieve the effect of strengthening the accuracy of mold closing, as a combined mold of the present utility model, alignment posts are fixedly connected to the four corners of the lower surface of the upper mold base, and alignment holes are opened at the four corners of the upper surface of the lower mold base.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] 1. In the present utility model, through the settings of the first spring, the first limit plate, the second spring and the second limit plate, the upper template is connected to the upper mold base through the sliding groove. Under the elastic action of the first spring, the first limit plate limits the front surface of the upper template. The lower template is placed inside the placement groove to prevent the lower template from moving during use. Then, the second limit plate is clamped inside the limit groove under the action of the second spring to prevent the lower template from detaching from the placement groove, increasing the stability during use. Upper templates and lower templates of the same size but different shapes can be selected according to requirements, enabling the mold to have the function of convenient combination and disassembly, and increasing the applicability and practicality.

[0017] 2. In the present utility model, through the arrangement of the guide rods, the sliding plate, the ejector pin, the alignment posts and the alignment holes, under the action of the sliding plate, the position of the ejector pin can be adjusted to eject the product inside the mold, realizing the demolding function. When the sliding plate moves, the sliding plate slides on the outer surfaces of the four guide rods at the same time, so that the ejector pin will not have problems of skewing and jamming, ensuring smooth telescoping of the ejector pin. When closing the mold, the alignment posts are inserted into the alignment holes for alignment to prevent the mold from shifting, and the mold collision caused by misalignment during mold closing can be avoided, which can play a role in precise guidance during the process of mold opening and closing, guaranteeing the precision of workpiece forming. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the front view structural schematic diagram of the embodiment of the present utility model;

[0019] Figure 2 is the cross-sectional plane structural schematic diagram of the embodiment of the present utility model;

[0020] Figure 3 is the upper mold base structural schematic diagram of the embodiment of the present utility model;

[0021] Figure 4 is the lower mold base structural schematic diagram of the embodiment of the present utility model;

[0022] Figure 5 is the base structural schematic diagram of the embodiment of the present utility model.

[0023] In the figure: 1. upper mold base; 2. chute; 3. upper template; 4. first groove; 5. first spring; 6. first limiting plate; 7. lower mold base; 8. placement groove; 9. lower template; 10. second groove; 11. second spring; 12. second limiting plate; 13. limiting groove; 14. control rod; 15. guide groove; 16. pick-up and placement groove; 17. handle; 18. base; 19. through hole; 20. guide rod; 21. sliding plate; 22. screw sleeve; 23. ejector pin; 24. alignment post; 25. alignment hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Embodiment

[0026] As Figures 1-5As shown in the figure, a combined mold includes an upper mold base 1. A chute 2 is provided in the middle of the lower surface of the upper mold base 1. An upper template 3 is slidably connected inside the chute 2. A first groove 4 is provided on one side of the inner top wall of the chute 2. A first spring 5 is fixedly connected inside the first groove 4. One end of the first spring 5 is fixedly connected with a first limiting plate 6; The lower surface of the upper mold base 1 is movably connected with a lower mold base 7. A placement groove 8 is provided in the middle of the upper surface of the lower mold base 7. A lower template 9 is movably connected inside the placement groove 8. Second grooves 10 are provided on both sides of the inner side surface of the placement groove 8. A second spring 11 is fixedly connected inside the second groove 10. One end of the second spring 11 is fixedly connected with a second limiting plate 12. Limiting grooves 13 are provided on both sides of the outer surface of the lower template 9.

[0027] During specific use, through the settings of the chute 2, the first spring 5, the first limiting plate 6, the placement groove 8, the second spring 11 and the second limiting plate 12, the upper template 3 and the lower template 9 fit each other, which is convenient for workpiece forming. The convex block at the bottom of the upper template 3 and the forming cavity on the surface of the lower template 9 can be set according to the requirements of the workpiece. Press the first limiting plate 6 to make it contract into the inside of the first groove 4, and the first spring 5 is compressed. Then connect the upper template 3 to the upper mold base 1 through the chute 2 to prevent the upper template 3 from shaking left and right. Then under the elastic action of the first spring 5, the first limiting plate 6 limits the front surface of the upper template 3. Press the second limiting plate 12 to make it contract into the inside of the second groove 10, and the second spring 11 is compressed. Then place the lower template 9 inside the placement groove 8 to prevent the lower template 9 from moving during use. Then the second limiting plate 12 is clamped inside the limiting groove 13 under the action of the second spring 11 to prevent the lower template 9 from detaching from the placement groove 8, increasing the stability during use. Upper templates 3 and lower templates 9 of the same size but different shapes can be selected according to needs, making the mold have the function of convenient combined disassembly, increasing applicability and practicality.

[0028] In this embodiment, a control rod 14 is fixedly connected to the upper surface of the second limiting plate 12. A guiding groove 15 is provided on the upper surface of the lower mold base 7 near the control rod 14.

[0029] During specific use, through the setting of the guiding groove 15, when the second limiting plate 12 moves, the control rod 14 at its top slides inside the guiding groove 15 accordingly. Conversely, the second limiting plate 12 can be operated and controlled through the control rod 14, which is more convenient to use and simple to operate.

[0030] In this embodiment, pick-up and placement grooves 16 are provided on both sides of the upper surface of the lower mold base 7.

[0031] During specific use, through the setting of the pick-up and placement grooves 16, it is convenient to pick up and place the lower template 9 inside the placement groove 8.

[0032] In this embodiment, a handle 17 is fixedly connected to the middle of the front surface of the upper template 3.

[0033] During specific use, due to the provision of the handle 17, it is convenient to pull and move the upper template 3 by using the handle 17, which is convenient for the hand to exert force and increases the convenience of use.

[0034] In this embodiment, bases 18 are fixedly connected to both sides of the lower surface of the lower die base 7, and a through hole 19 is formed in the middle of the inner bottom wall of the base 18.

[0035] During specific use, due to the provision of the base 18, it is used to support and fix the lower die base 7 to ensure the stability during the use of the mold, and the through hole 19 is convenient for the output end of the hydraulic driving mechanism to pass through.

[0036] In this embodiment, guide rods 20 are fixedly connected to the four corners of the inner bottom wall of the base 18, and a sliding plate 21 is slidably connected to the outer surface of the guide rod 20.

[0037] During specific use, due to the provision of the guide rod 20, the bottom of the sliding plate 21 is connected to the hydraulic driving mechanism. Under the action of the sliding plate 21, the position of the ejector pin 23 can be adjusted. When the sliding plate 21 moves, it slides on the outer surface of the four guide rods 20 at the same time, so that the ejector pin 23 will not have problems of deviation and jamming, ensuring the smooth telescoping of the ejector pin 23.

[0038] In this embodiment, a screw sleeve 22 is fixedly connected to the middle of the upper surface of the sliding plate 21, and an ejector pin 23 is threadedly connected to the inside of the screw sleeve 22.

[0039] During specific use, due to the provision of the ejector pin 23, the ejector pin 23 is threadedly connected to the inside of the screw sleeve 22, which is convenient for installation and disassembly. Driven by the sliding plate 21, the ejector pin 23 can eject the product inside the mold to realize the demolding function.

[0040] In this embodiment, alignment posts 24 are fixedly connected to the four corners of the lower surface of the upper die base 1, and alignment holes 25 are formed in the four corners of the upper surface of the lower die base 7.

[0041] During specific use, due to the provision of the alignment posts 24 and the alignment holes 25, during mold closing, the alignment posts 24 are inserted into the alignment holes 25 for alignment, preventing the mold from shifting, and can avoid mold collision caused by misalignment during mold closing. It can play a role in precise guidance during the process of mold opening and closing, ensuring the precision of workpiece forming.

[0042] Working principle: During use, press the first limiting plate 6 to connect the upper template 3 to the upper die base 1 through the sliding groove 2, preventing the upper template 3 from shaking left and right. Then, under the elastic action of the first spring 5, the first limiting plate 6 limits the front surface of the upper template 3. Press the second limiting plate 12 and place the lower template 9 inside the placement groove 8 to prevent the lower template 9 from moving during use. Then, the second limiting plate 12 is clamped inside the limiting groove 13 under the action of the second spring 11 to prevent the lower template 9 from detaching from the placement groove 8, enabling the mold to select upper templates 3 and lower templates 9 of the same size but different shapes according to requirements, with the function of convenient combination and disassembly. The second limiting plate 12 can be operated and controlled through the control rod 14. The access groove 16 facilitates the access of the lower template 9 inside the placement groove 8. The handle 17 is convenient for pulling and moving the upper template 3. The bottom of the sliding plate 21 is connected to the hydraulic driving mechanism. Under the action of the sliding plate 21, the ejector pin 23 ejects the product inside the mold to achieve the demolding function. During mold closing, the alignment post 24 is inserted into the alignment hole 25 for alignment, preventing the mold from shifting, and can avoid mold collision caused by misalignment during mold closing, playing a role in precise guidance during the process of mold opening and closing, and ensuring the precision of workpiece forming.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined mold, comprising an upper mold base (1), characterized in that: A slide groove (2) is provided in the middle of the lower surface of the upper mold base (1), the interior of the slide groove (2) is slidably connected to the upper mold plate (3), a first groove (4) is provided on one side of the inner top wall of the slide groove (2), the interior of the first groove (4) is fixedly connected to a first spring (5), and one end of the first spring (5) is fixedly connected to a first limit plate (6); The lower surface of the upper die seat (1) is movably connected to the lower die seat (7), a placement groove (8) is provided in the middle of the upper surface of the lower die seat (7), the interior of the placement groove (8) is movably connected to the lower mold plate (9), both sides of the inner side surface of the placement groove (8) are provided with second grooves (10), the interior of the second groove (10) is fixedly connected to a second spring (11), one end of the second spring (11) is fixedly connected to a second limit plate (12), and both sides of the outer surface of the lower mold plate (9) are provided with limit grooves (13).

2. A combined mold according to claim 1, characterized in that: A control rod (14) is fixedly connected to the upper surface of the second limiting plate (12), and a guide groove (15) is provided on a side of the upper surface of the lower die base (7) close to the control rod (14).

3. A combined mold according to claim 1, characterized in that: Both sides of the upper surface of the lower die base (7) are provided with taking and placing grooves (16).

4. A combined mold according to claim 1, characterized in that: A handle (17) is fixedly connected to the middle of the front side of the upper template (3).

5. The combined mold according to claim 1, characterized in that: A base (18) is fixedly connected to both sides of the lower surface of the lower die seat (7), and a through hole (19) is provided in the middle of the inner bottom wall of the base (18).

6. A combined mold according to claim 5, characterized in that: The four corners of the inner bottom wall of the base (18) are fixedly connected with guide rods (20), and the outer surface of the guide rod (20) is slidably connected with a slide plate (21).

7. A combined mold according to claim 6, characterized in that: A screw sleeve (22) is fixedly connected to the middle of the upper surface of the slide plate (21), and an ejector pin (23) is connected to the inner thread of the screw sleeve (22).

8. The combined mold according to claim 1, characterized in that: Alignment columns (24) are fixedly connected at the four corners of the lower surface of the upper die seat (1), and alignment holes (25) are opened at the four corners of the upper surface of the lower die seat (7).

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