Hot press forming die with excellent liquid discharge performance

Abstract

The utility model discloses a hot-press forming die with excellent liquid discharge performance, which comprises a lower die holder, a mounting frame is arranged on the upper end face of the lower die holder, a telescopic rod is arranged on the lower end face of the mounting frame, a male die is arranged at the lower end of the telescopic rod, a female die is further arranged on the upper end face of the lower die holder, and the lower end face of the lower die holder is provided with a liquid discharge port. A liquid discharging assembly is arranged in the female die, a plurality of thickness adjusting assemblies are arranged at the upper end of the female die, and heating cores are installed in the male die and the female die by forming cavities. The mold is simple in structure and reasonable in design, redundant liquid materials can be effectively discharged in the hot press molding process, it is ensured that the mold can rapidly reach the set press fit standard, the hot press molding efficiency and the finished product quality are improved, meanwhile, the mold can rapidly set the molding thickness of a product, and the product quality is improved. And the die is suitable for production of products with different thickness requirements, so that the die replacement time is shortened, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot pressing forming die equipment, in particular to a hot pressing forming die with excellent liquid discharge performance. Background Art

[0002] Hot pressing technology occupies a pivotal position in contemporary manufacturing. This technology uses high temperature and high pressure to form materials into a predetermined shape in a mold. It is widely used in the manufacture of high-performance composite materials or carbon felt and other materials. Hot pressing can not only achieve high-efficiency production, but also ensure that the product has excellent physical and chemical properties. Therefore, the design and performance of hot pressing molds have a decisive influence on product quality.

[0003] Deficiencies of existing technology:

[0004] At present, in the existing hot pressing molding technology, the mold is usually composed of an upper mold and a lower mold, which contains elements for heating and a mechanical or hydraulic system for applying pressure. During the working process, the raw material mixed with resin or other colloids is placed in the lower mold cavity, and then the upper mold is closed, and the whole system starts to heat. After the resin or glue is completely melted, the upper mold begins to apply pressure to make the material flow and solidify under the shape constraint of the mold. However, this traditional mold design still has obvious shortcomings in actual use. During the hot pressing process, there is often excess liquid resin or glue. The excess liquid resin or glue often accumulates in the mold cavity and cannot be effectively discharged. This will cause greater resistance to the pressing of the upper and lower molds, resulting in the failure to meet the set pressing standard, so that the thickness of the final product deviates from the predetermined value. This problem is particularly obvious when thinner materials need to be manufactured. Utility Model Content

[0005] The utility model aims to provide a hot pressing forming die with excellent liquid discharge performance to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hot pressing forming mold with excellent drainage performance, comprising a lower die base, a mounting frame is arranged on the upper end surface of the lower die base, a telescopic rod is arranged on the lower end surface of the mounting frame, a male die is arranged at the lower end of the telescopic rod, a female die is also arranged on the upper end surface of the lower die base, a drainage component is arranged inside the female die, a plurality of thickness adjustment components are arranged at the upper end of the female die, and a heating core is arranged inside the male die and the female die by opening a cavity;

[0007] The drainage assembly comprises:

[0008] A drain pipe, the drain pipe is arranged in the drain hole at the lower end of the die body, the liquid inlet of the drain pipe is connected to the edge of the bottom surface of the die cavity, and the drain port of the drain pipe passes through the heating core and the lower die body of the die and is arranged on the outer wall of the die;

[0009] A mounting ring is arranged on the inner wall of the upper end of the discharge pipe, a spring is arranged on the upper end surface of the mounting ring, and a sealing ball for sealing the liquid inlet of the discharge pipe is arranged on the upper end of the spring.

[0010] Preferably, the thickness adjustment component comprises:

[0011] A lifting screw rod, the lifting screw rod is rotatably connected to the mounting hole at the upper end of the concave die, a screw nut is threadedly connected to the lifting screw rod, and the screw nut is slidably connected to the inner wall of the mounting hole at the upper end of the concave die;

[0012] A sleeve, wherein the sleeve is arranged at the upper end of the screw nut, and a top block is arranged at the upper end of the sleeve;

[0013] A first gear, the first gear being arranged at the lower end of the lifting screw rod;

[0014] The second gear is rotatably connected in a mounting groove on the outer wall of the die, and one end of the second gear located inside the die is meshed and connected with the first gear.

[0015] Preferably, a guide groove is obliquely provided on the outer wall of the concave mold below the discharge port of the discharge pipe, and a liquid collecting trough is provided below the liquid outlet end of the guide groove.

[0016] Preferably, a slide groove is provided on the inner wall of the mounting hole at the upper end of the die, and both sides of the screw nut are slidably connected to the slide groove by arranging sliding blocks.

[0017] Preferably, the height of the slide groove is smaller than the height of the thread on the lifting screw rod.

[0018] Preferably, the gear ratio between the first gear and the second gear is 1:2.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. A hot pressing mold with excellent drainage performance is provided with a drainage component, which includes a drainage pipe, a mounting ring, a spring and a sealing ball, so that the mold can effectively discharge excess liquid during the hot pressing process, reduce the accumulation of liquid in the mold cavity, and reduce the resistance of the mold pressing. This not only ensures that the mold can quickly reach the set pressing standard, but also significantly improves the precision of product molding, improves the efficiency of hot pressing and the quality of finished products;

[0021] 2. This hot pressing molding mold with excellent drainage performance is equipped with a thickness adjustment component, which includes a lifting screw, a screw nut, a sleeve, a top block, a first gear and a second gear. The mold can quickly set the molding thickness of the product to adapt to the production of products with different thickness requirements, thereby reducing the time for mold replacement, improving production efficiency, and effectively improving the applicability of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is the overall front view of the utility model;

[0023] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0024] Figure 3 It is a top view of the concave mold of the utility model;

[0025] Figure 4 For the utility model Figure 2 An enlarged schematic diagram at A in FIG.

[0026] Figure 5 For the utility model Figure 2 The enlarged schematic diagram at B in FIG.

[0027] Figure 6 For the utility model Figure 3 A magnified schematic diagram at C in FIG.

[0028] In the figure: 1. lower die base; 2. mounting frame; 3. telescopic rod; 4. punch; 5. die; 501. slide; 6. drainage assembly; 601. drainage pipe; 602. mounting ring; 603. spring; 604. sealing ball; 7. thickness adjustment assembly; 701. lifting screw; 702. screw nut; 703. sleeve; 704. top block; 705. first gear; 706. second gear; 8. heating core; 9. guide groove; 10. collecting tank. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, it can be fixed connection, setting, or detachable connection, setting, or integrated connection, setting. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0033] Example

[0034] See also Figure 1-6As shown, the utility model provides a technical solution for a hot pressing forming mold with excellent drainage performance: a hot pressing forming mold with excellent drainage performance, comprising a lower die base 1, a mounting frame 2 is fixedly installed on the upper end surface of the lower die base 1, a telescopic rod 3 is fixedly installed on the lower end surface of the mounting frame 2, a male die 4 is connected to the lower end of the telescopic rod 3, a female die 5 matching the male die 4 is also installed on the upper end surface of the lower die base 1, a drainage component 6 is installed inside the female die 5, a plurality of thickness adjustment components 7 are installed on the upper end of the female die 5, and the insides of the male die 4 and the female die 5 are opened A heating core 8 is installed in the cavity; the drainage assembly 6 includes a drainage pipe 601 and a mounting ring 602. The drainage pipe 601 is fixedly installed in the drainage hole at the lower end of the die body of the die 5. The liquid inlet of the drainage pipe 601 is connected to the edge of the bottom surface of the die cavity of the die 5. The drainage port of the drainage pipe 601 passes through the heating core 8 and the lower die body of the die 5 and is connected to the outer wall of the die 5. The mounting ring 602 is installed on the inner wall of the upper end of the drainage pipe 601. A spring 603 is installed on the upper end surface of the mounting ring 602. The upper end of the spring 603 is connected to a spring for blocking the liquid inlet of the drainage pipe 601. When the mold is hot-pressing, the raw material mixed with colloid or resin is first placed in the cavity of the female mold 5 and the thickness adjustment component 7 is set. Then the telescopic rod 3 is started to move the male mold 4 downward until the lower end of the male mold 4 is located above the raw material. At this time, the external control system controls the heating core 8 to be energized and heated, so that the resin or colloid in the raw material is fully melted. Then the external control system continues to control the male mold 4 to move downward until it contacts the thickness adjustment component 7. During the downward movement of the male mold 4, the raw material in the cavity of the female mold 5 is evenly compressed. The excess liquid resin or glue will overcome the elastic force of the spring 603 under the pressure to push the sealing ball 604 open, and then enter the drain pipe 601 for discharge, so that the male mold 4 and the female mold 5 can quickly reach the pressing standard. Through the drain component 6, the mold can effectively discharge the excess liquid material during the hot pressing molding process, reduce the accumulation of liquid material in the mold cavity, and reduce the resistance of the mold pressing. This not only ensures that the mold can quickly reach the set pressing standard, but also significantly improves the precision of product molding, improves the efficiency of hot pressing molding and the quality of finished products.

[0035] The thickness adjustment assembly 7 includes a lifting screw 701, a sleeve 703, a first gear 705 and a second gear 706. The lifting screw 701 is rotatably connected to the mounting hole at the upper end of the die 5. The lifting screw 701 is threadedly connected with a screw nut 702. The screw nut 702 is slidably connected to the inner wall of the mounting hole at the upper end of the die 5. The sleeve 703 is fixedly mounted on the upper end of the screw nut 702. A top block 704 is mounted on the upper end of the sleeve 703. The top block 704 is used to provide support and limit for the pressed punch 4 to ensure the accurate molding thickness of the product. The distance between the upper end surface of the die 5 and the top block 704 is the thickness of the product. The first gear 705 is fixedly mounted on the lower end of the lifting screw 701. The second gear 706 is rotatably connected to the mounting groove on the outer wall of the die 5. One end of the second gear 706 located inside the die 5 is meshed with the first gear 705. The first gear 705 and the second gear The gear ratio of 706 is 2:1. The large gear ratio setting allows the second gear 706 to more accurately control the rotation of the lifting screw 701. When the raw material molding thickness needs to be adjusted, the distance between the top of the top block 704 and the upper end surface of the die 5 is first accurately measured by a measuring instrument. If the height of the top block 704 needs to be adjusted, the second gear 706 is manually rotated. The second gear 706 drives the lifting screw 701 to rotate slowly through the first gear 705. During the rotation of the lifting screw 701, the screw nut 702 drives the sleeve 703 and the top block 704 to move synchronously in the vertical direction until all the top blocks 704 are confirmed to move to the specified height by the measuring instrument. Through the thickness adjustment component 7, the mold can quickly set the molding thickness of the product to adapt to the production of products with different thickness requirements, thereby reducing the time for mold replacement, improving production efficiency, and effectively improving the applicability of the mold.

[0036] A guide groove 9 is obliquely installed on the outer wall of the die 5 below the discharge port of the discharge pipe 601, and a collecting trough 10 is installed below the liquid outlet end of the guide groove 9. The liquid discharged from the discharge pipe 601 is first collected by the guide groove 9, and then flows into the collecting trough 10 along the guide groove 9 for recycling.

[0037] A slide groove 501 is provided on the inner wall of the mounting hole at the upper end of the die 5, and both sides of the screw nut 702 are slidably connected to the slide groove 501 by means of sliders. The sliding connection between the slide groove 501 and the slider allows the screw nut 702 to only move in the vertical direction and cannot rotate, thereby further improving the adjustment accuracy of the thickness adjustment component 7.

[0038] The height of the slide groove 501 is less than the height of the thread on the lifting screw 701. The slide groove 501 limits the stroke of the screw nut 702. Therefore, the height of the slide groove 501 is less than the height of the thread on the lifting screw 701 to ensure that the screw nut 702 will not be separated from the thread due to excessive displacement.

[0039] The working principle of the utility model is as follows:

[0040] When a hot pressing molding mold with excellent liquid discharge performance of the present embodiment is used, if the mold needs to be hot pressed, the raw material mixed with colloid or resin is first placed in the mold cavity of the female mold 5 and the distance between the top of the top block 704 and the upper end surface of the female mold 5 is accurately measured by a measuring instrument. If the height of the top block 704 needs to be adjusted, the second gear 706 is manually rotated, and the second gear 706 drives the lifting screw 701 to rotate slowly through the first gear 705. During the rotation of the lifting screw 701, the screw nut 702 drives the sleeve 703 and the top block 704 to move in the vertical direction synchronously until all the top blocks 704 are confirmed to move to the specified height by the measuring instrument. At this time, the distance between the top of the top block 704 and the upper end surface of the female mold 5 is the molding thickness of the product. Then, the telescopic rod 3 is started to move the punch 4 downward until the lower end of the punch 4 is located above the raw material. At this time, the external control system controls the heating core 8 to be energized and heated, so that the resin or colloid in the raw material is fully melted, and then the external control system continues to control the punch 4 to move downward until it contacts the upper end surface of the top block 704. During the downward movement of the punch 4, the raw material in the cavity of the die 5 is subjected to uniform pressure. The excess liquid resin or glue will overcome the elastic force of the spring 603 under the pressure to push the sealing ball 604 open, and then enter the drain pipe 601 for discharge, so that the punch 4 and the die 5 can quickly reach the pressing standard. The liquid material discharged from the drain pipe 601 is first collected by the guide groove 9, and then flows into the collecting tank 10 along the guide groove 9 for recycling. The utility model has a simple structure and a reasonable design. Through the drainage component 6, the mold can effectively discharge excess liquid material during the hot pressing molding process, reduce the accumulation of liquid material in the mold cavity, and reduce the resistance of the mold pressing. This not only ensures that the mold can quickly reach the set pressing standard, but also significantly improves the precision of product molding, improves the efficiency of hot pressing molding and the quality of the finished product. At the same time, through the thickness adjustment component 7, the mold can quickly set the molding thickness of the product to adapt to the production of products with different thickness requirements, thereby reducing the time for mold replacement, improving production efficiency, and effectively improving the applicability of the mold.

[0041] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A hot pressing forming die with excellent drainage performance, comprising a lower die base (1), characterized in that: The upper end surface of the lower die base (1) is provided with a mounting frame (2), the lower end surface of the mounting frame (2) is provided with a telescopic rod (3), the lower end of the telescopic rod (3) is provided with a male die (4), the upper end surface of the lower die base (1) is also provided with a female die (5), the interior of the female die (5) is provided with a liquid discharge component (6), the upper end of the female die (5) is provided with a plurality of thickness adjustment components (7), and the interiors of the male die (4) and the female die (5) are provided with a heating core (8) by opening a cavity; The liquid discharge assembly (6) comprises: a liquid discharge pipe (601), the liquid discharge pipe (601) being arranged in a liquid discharge hole at the lower end of the die body of the die (5), the liquid inlet of the liquid discharge pipe (601) being connected to the edge of the bottom surface of the die cavity of the die (5), the liquid discharge port of the liquid discharge pipe (601) passing through the heating core (8) and the lower die body of the die (5) and being arranged on the outer wall of the die (5); A mounting ring (602) is arranged on the inner wall of the upper end of the liquid discharge pipe (601), a spring (603) is arranged on the upper end surface of the mounting ring (602), and a sealing ball (604) for sealing the liquid inlet of the liquid discharge pipe (601) is arranged on the upper end of the spring (603).

2. The hot pressing forming mold with excellent drainage performance according to claim 1, characterized in that: The thickness adjustment component (7) comprises: A lifting screw (701), the lifting screw (701) is rotatably connected to a mounting hole at the upper end of the concave mold (5), a screw nut (702) is threadedly connected to the lifting screw (701), and the screw nut (702) is slidably connected to the inner wall of the mounting hole at the upper end of the concave mold (5); A sleeve (703), wherein the sleeve (703) is arranged at the upper end of the screw nut (702), and a top block (704) is arranged at the upper end of the sleeve (703); A first gear (705), wherein the first gear (705) is arranged at the lower end of the lifting screw rod (701); The second gear (706) is rotatably connected to a mounting groove on the outer wall of the concave mold (5); one end of the second gear (706) located inside the concave mold (5) is meshedly connected to the first gear (705).

3. The hot pressing forming mold with excellent drainage performance according to claim 1, characterized in that: A guide groove (9) is obliquely arranged on the outer wall of the concave mold (5) below the liquid discharge port of the liquid discharge pipe (601), and a liquid collecting groove (10) is arranged below the liquid discharge end of the guide groove (9).

4. The hot pressing forming mold with excellent drainage performance according to claim 2, characterized in that: A sliding groove (501) is provided on the inner wall of the mounting hole at the upper end of the concave die (5), and two sides of the screw nut (702) are slidably connected to the sliding groove (501) by arranging sliding blocks.

5. The hot pressing forming mold with excellent drainage performance according to claim 4, characterized in that: The height of the slide groove (501) is smaller than the height of the thread on the lifting screw rod (701).

6. The hot pressing forming mold with excellent drainage performance according to claim 2, characterized in that: The gear ratio between the first gear (705) and the second gear (706) is 2:1.

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