Combined forming die

Abstract

The utility model discloses a combined forming die, which belongs to the technical field of ceramic processing and comprises a lower die holder and an upper die holder, a lower die cover plate is arranged at the top of the lower die holder, an upper die cover plate is arranged at the top of the lower die holder, and a plurality of heating holes are arranged on the lower die cover plate and the upper die cover plate. And a spraying mechanism is arranged at the rear part of the lower die holder. According to the utility model, the upper die cover plate and the lower die cover plate of different types are mounted on the upper die base and the lower die base through the matching of the insertion holes and the bolts, when a ceramic product is formed in the lower die cover plate and the upper die cover plate, external gas is guided into the heating holes by utilizing the heating box, and the gas is heated by utilizing the electric heating tube; and hot air in the heating holes is used for heating ceramic products formed in the lower mold cover plate and the upper mold cover plate, so that the ceramic products are solidified to a certain degree, demolding is facilitated, and the practicability of the combined type forming mold is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic processing, and more specifically to a combined forming die. Background Art

[0002] Ceramics are products made by firing natural silicates such as clay as the main raw materials. During the ceramic molding process, molds are needed to process the blanks into specific shapes, which are then fired later.

[0003] After searching, the utility model patent with announcement number CN211306708U discloses a combined mold for dry pressing ceramic shells, including an upper mold and a lower mold; the upper mold includes an upper mold and an upper mold cover plate; the lower mold includes a lower mold and a lower mold cover plate; the shape of the cavity formed by the combination of the upper mold cover plate and the lower mold cover plate is the same as the shape of the ceramic shell product; the upper mold and the upper mold cover plate are detachably connected; the lower mold and the lower mold cover plate are detachably connected; the upper mold cover plate and the lower mold cover plate are processed with soft materials imitating the shape of the product; the upper mold cover plate and the lower mold cover plate of the patent can be flexibly replaced according to the shape and size of the product, saving the raw material cost and time cost of mold manufacturing, which is conducive to reducing the manufacturing cost of ceramic shells and improving production efficiency and product precision.

[0004] However, the above patent has the following disadvantages: when the viscosity of the ceramic product formed between the upper mold cover plate and the lower mold cover plate is relatively high, the ceramic product is easy to adhere to the upper mold cover plate and the lower mold cover plate, making it difficult to demould. For this reason, we propose a combined molding mold. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide a combined molding die.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A combined molding mold comprises a lower mold base and an upper mold base, a lower mold cover plate is arranged on the top of the lower mold base, an upper mold cover plate is arranged on the top of the lower mold base, a plurality of heating holes are arranged on the lower mold cover plate and the upper mold cover plate, a spray mechanism is arranged on the rear portion of the lower mold base, a heating box is fixedly connected to the end of the lower mold base, a three-way joint is fixedly sleeved on the top of the heating box, both ends of the three-way joint are fixedly connected to an air guide hose, respectively, the ends of the two air guide hoses are fixedly connected to air distribution pipes, a group of plug-in hoses are arranged on the sides of the two air distribution pipes, the two groups of plug-in hoses extend to the heating holes on the lower mold cover plate and the upper mold cover plate, respectively, a plurality of electric heating tubes are fixedly installed in the inner cavity of the heating box, an exhaust pump is fixedly installed on the outer side of the heating box, and the output end of the exhaust pump extends to the inner cavity of the heating box.

[0008] As a preferred scheme of the utility model, the spraying mechanism includes a moving box fixedly connected to the back side of the lower mold base, the inner cavity of the moving box is rotatably connected to a reciprocating screw, the outer side of the reciprocating screw is threadedly sleeved with an L-shaped frame, one end of the L-shaped frame extends to the outside of the moving box and is fixedly sleeved with a liquid dispensing tube, a plurality of atomizing nozzles are arranged on the top and bottom of the liquid dispensing tube, the outer side of the L-shaped frame is fixedly connected to a liquid storage box, a water pump is fixedly installed on the top surface of the liquid storage box, both ends of the water pump are fixedly connected with liquid guide tubes, one end of one of the liquid guide tubes extends to the inner cavity of the liquid storage box, and one end of the other liquid guide tube is fixedly sleeved to the inner cavity of the liquid dispensing tube, a servo motor is fixedly installed at the end of the moving box, and the output shaft of the moving box is connected to the end of the reciprocating screw.

[0009] As a preferred solution of the utility model, the top surface of the lower die base and the bottom surface of the upper die base are both provided with slots, the lower die cover plate and the upper die cover plate are both provided with plug blocks, the plug blocks are movably sleeved into the inner cavity of the slots, and sockets are respectively provided on both sides of the plug blocks, and telescopic grooves are provided on the outer sides of the lower die base and the upper die base, and a spring is fixedly connected to the inner wall of the telescopic groove, one end of the spring is fixedly connected to a pull plate, and the inner side surface of the pull plate is fixedly connected to a pin, and one end of the pin is movably sleeved into the inner cavity of the socket.

[0010] As a preferred solution of the utility model, a threaded plug is threadedly installed on the top surface of the liquid storage box.

[0011] As a preferred solution of the utility model, the top surface and the top surface of the bottom end of the L-shaped frame are respectively in contact with the inner wall of the moving box.

[0012] As a preferred solution of the utility model, the side surface of the plug block fits with the inner wall of the slot, the top surface of the upper mold cover fits with the bottom surface of the lower mold base, and the top surface of the lower mold base fits with the bottom surface of the lower mold cover.

[0013] As a preferred solution of the utility model, the inner diameter of the insertion hole is equal to the outer diameter of the plug.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) In the utility model, different types of upper mold cover plates and lower mold cover plates are installed on the upper mold base and the lower mold base through the cooperation of the socket and the pin. When the ceramic product is formed in the lower mold cover plate and the upper mold cover plate, the external gas is introduced into the heating hole by using the heating box, and the gas is heated by using the electric heating tube. The hot air in the heating hole is used to heat the ceramic product formed in the lower mold cover plate and the upper mold cover plate, so that the ceramic product is solidified to a certain extent, which is convenient for demolding.

[0016] (2) In the utility model, before the ceramic product is formed, the reciprocating screw and the L-shaped frame are used to drive the liquid dispensing tube and the liquid storage box to move back and forth laterally, and a water pump is used to spray the demoulding agent in the liquid storage box from the atomizing nozzle to the lower mold cover plate and the upper mold cover plate, so as to avoid the formed ceramic product from sticking to the lower mold cover plate and the upper mold cover plate, so as to facilitate the subsequent demoulding, thereby improving the practicality of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a structural exploded view of the lower die base, upper die base, lower die cover plate, and upper die cover plate of the utility model;

[0019] Figure 3 It is a cross-sectional schematic diagram of the heating box of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the spraying mechanism of the utility model;

[0021] Figure 5 It is a cross-sectional schematic diagram of the lower die base of the utility model.

[0022] Description of the numbers in the figure:

[0023] 1. Lower die base; 2. Upper die base; 3. Lower die cover plate; 4. Upper die cover plate; 5. Spraying mechanism; 6. Heating box; 7. Three-way joint; 8. Air guide hose; 9. Air distribution pipe; 10. Plug-in hose; 11. Electric heating pipe; 12. Vacuum pump; 13. Heating hole; 14. Moving box; 15. Reciprocating screw rod; 16. L-shaped frame; 17. Servo motor; 18. Liquid distribution pipe; 19. Atomizing nozzle; 20. Liquid storage box; 21. Water pump; 22. Liquid guide pipe; 23. Slot; 24. Plug block; 25. Socket; 26. Telescopic slot; 27. Spring; 28. Pull plate; 29. ​​Pin; 30. Threaded plug. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings 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.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the 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 position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Example:

[0028] See also Figure 1-5 A combined molding mold comprises a lower mold base 1 and an upper mold base 2, a lower mold cover plate 3 is arranged on the top of the lower mold base 1, an upper mold cover plate 4 is arranged on the top of the lower mold base 1, a plurality of heating holes 13 are arranged on the lower mold cover plate 3 and the upper mold cover plate 4, a spraying mechanism 5 is arranged at the rear of the lower mold base 1, a heating box 6 is fixedly connected to the end of the lower mold base 1, a three-way joint 7 is fixedly sleeved on the top of the heating box 6, both ends of the three-way joint 7 are fixedly connected with an air guide hose 8, the ends of the two air guide hoses 8 are fixedly connected with air distribution pipes 9, a group of plug-in hoses 10 are arranged on the sides of the two air distribution pipes 9, the two groups of plug-in hoses 10 extend to the heating holes 13 on the lower mold cover plate 3 and the upper mold cover plate 4, a plurality of electric heating tubes 11 are fixedly installed in the inner cavity of the heating box 6, an air pump 12 is fixedly installed on the outer side of the heating box 6, and the output end of the air pump 12 extends to the inner cavity of the heating box 6.

[0029] In this embodiment, the plug-in hose 10 is deformed when inserted into the heating hole 13 so that it can be tightly inserted into the heating hole 13. In addition, when replacing the lower mold cover plate 3 and the upper mold cover plate 4, the plug-in hose 10 is pulled out from the heating hole 13 and can be inserted into the replaced lower mold cover plate 3 and the upper mold cover plate 4. In addition, the lower mold cover plate 3 and the upper mold cover plate 4 are made of heat-conducting material.

[0030] For details, please refer to Figure 1 and Figure 4The spraying mechanism 5 includes a moving box 14 fixedly connected to the back of the lower mold base 1, the inner cavity of the moving box 14 is rotatably connected to a reciprocating screw 15, the outer side of the reciprocating screw 15 is threadedly sleeved with an L-shaped frame 16, one end of the L-shaped frame 16 extends to the outside of the moving box 14 and is fixedly sleeved with a liquid dispensing tube 18, and a plurality of atomizing nozzles 19 are arranged on the top and bottom of the liquid dispensing tube 18, a liquid storage box 20 is fixedly connected to the outer side of the L-shaped frame 16, a water pump 21 is fixedly installed on the top surface of the liquid storage box 20, and liquid guide tubes 22 are fixedly connected to the two ends of the water pump 21, one end of one liquid guide tube 22 extends to the inner cavity of the liquid storage box 20, and one end of the other liquid guide tube 22 is fixedly sleeved to the inner cavity of the liquid dispensing tube 18, a servo motor 17 is fixedly installed at the end of the moving box 14, and the output shaft of the moving box 14 is connected to the end of the reciprocating screw 15.

[0031] In this embodiment, the inner cavity of the liquid storage box 20 is preset with a mold release agent, and the liquid distribution pipe 18 is located on the side between the lower mold cover plate 3 and the upper mold cover plate 4.

[0032] For details, please refer to Figure 2 and Figure 5 A slot 23 is provided on the top surface of the lower die base 1 and the bottom surface of the upper die base 2, and an insert block 24 is provided on the lower die cover plate 3 and the upper die cover plate 4. The insert block 24 is movably sleeved into the inner cavity of the slot 23, and holes 25 are respectively provided on both sides of the insert block 24. A telescopic slot 26 is provided on the outer side of the lower die base 1 and the upper die base 2. A spring 27 is fixedly connected to the inner wall of the telescopic slot 26, and a pull plate 28 is fixedly connected to one end of the spring 27. A pin 29 is fixedly connected to the inner side surface of the pull plate 28, and one end of the pin 29 is movably sleeved into the inner cavity of the plug hole 25.

[0033] In this embodiment, the lower mold base 1 and the lower mold cover plate 3, the upper mold base 2 and the upper mold cover plate 4 are installed and connected by plugging between the pin 29 and the socket 25. In addition, the lower mold base 1 and the lower mold cover plate 3, the upper mold base 2 and the upper mold cover plate 4 can be connected by screws, locks or magnetic suction. These are all existing technologies and will not be elaborated on.

[0034] For details, please refer to Figure 4 A threaded plug 30 is threadedly installed on the top surface of the liquid storage box 20.

[0035] In this embodiment, the release agent is added into the liquid storage box 20 by removing the threaded plug 30 .

[0036] For details, please refer to Figure 4 , the top surface and the top surface of the bottom end of the L-shaped frame 16 are respectively fitted with the inner wall of the moving box 14.

[0037] In this embodiment, the L-shaped frame 16 is limited by the inner wall of the moving box 14 , so that the L-shaped frame 16 can only move along the axial direction of the reciprocating screw rod 15 .

[0038] For details, please refer to Figure 2 The side surface of the insert block 24 fits with the inner wall of the slot 23 , the top surface of the upper die cover plate 4 fits with the bottom surface of the lower die base 1 , and the top surface of the lower die base 1 fits with the bottom surface of the lower die cover plate 3 .

[0039] In this embodiment, the firmness and stability of the installation between the lower die base 1 and the lower die cover plate 3, and between the upper die base 2 and the upper die cover plate 4 are ensured.

[0040] For details, please refer to Figure 2 and Figure 5 The inner diameter of the insertion hole 25 is equal to the outer diameter of the latch pin 29.

[0041] In this embodiment, the stability of the insertion of the plug pin 29 into the insertion hole 25 is ensured.

[0042] Working principle: When in use, first install the lower mold cover plate 3 and the upper mold cover plate 4 on the lower mold base 1 and the upper mold base 2 through the cooperation of the pin 29 and the socket 25, then start the servo motor 17 to drive the reciprocating screw 15 to rotate, and use the cooperation between the reciprocating screw 15 and the L-shaped frame 16 to drive the liquid storage box 20, the liquid distribution tube 18 and the atomizing nozzle 19 to move back and forth horizontally once, and start the water pump 21 to pump the mold release agent in the inner cavity of the liquid storage box 20 into the liquid distribution tube 18, and make the mold release agent in the liquid distribution tube 18 sprayed from the atomizing nozzle 19 to the top surface of the lower mold cover plate 3 and the bottom surface of the upper mold cover plate 4, and then use the lifting machinery to drive the upper mold base 2 and the upper mold cover plate 4 to move downward, so that The lower mold cover plate 3 and the upper mold cover plate 4 are molded together, and the ceramic molding material is placed in the mold cavity of the lower mold cover plate 3 and the upper mold cover plate 4. Finally, the vacuum pump 12 is started to extract the external gas into the heating box 6, and the gas in the heating box 6 is heated by the electric heating tube 11. The heated gas is introduced into the heating hole 13 through the three-way joint 7, the air guide hose 8, the air distribution pipe 9 and the plug-in hose 10. The hot air flowing in the heating hole 13 is used to heat the ceramic material molded in the lower mold cover plate 3 and the upper mold cover plate 4, so that the molded ceramic material is heated and solidified to a certain extent, and the solidified ceramic product is taken out and placed in the sintering furnace for final firing and molding.

[0043] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A combined molding die, comprising a lower die base (1) and an upper die base (2), characterized in that: A lower die cover plate (3) is arranged on the top of the lower die base (1), an upper die cover plate (4) is arranged on the top of the lower die base (1), a plurality of heating holes (13) are arranged on the lower die cover plate (3) and the upper die cover plate (4), a spraying mechanism (5) is arranged at the rear of the lower die base (1), a heating box (6) is fixedly connected to the end of the lower die base (1), a three-way joint (7) is fixedly sleeved on the top of the heating box (6), and air guide hoses (8) are fixedly connected to the two ends of the three-way joint (7), respectively. The ends of the air guide hoses (8) are respectively fixedly connected to the air distribution pipes (9), and the sides of the two air distribution pipes (9) are each provided with a group of plug-in hoses (10), and the two groups of plug-in hoses (10) respectively extend to the heating holes (13) on the lower mold cover plate (3) and the upper mold cover plate (4), and the inner cavity of the heating box (6) is fixedly installed with a plurality of electric heating tubes (11), and the outer side of the heating box (6) is fixedly installed with an exhaust pump (12), and the output end of the exhaust pump (12) extends to the inner cavity of the heating box (6).

2. A combined molding die according to claim 1, characterized in that: The spraying mechanism (5) comprises a moving box (14) fixedly connected to the back of the lower die base (1); the inner cavity of the moving box (14) is rotatably connected to a reciprocating screw rod (15); the outer side of the reciprocating screw rod (15) is threadedly sleeved with an L-shaped frame (16); one end of the L-shaped frame (16) extends to the outside of the moving box (14) and is fixedly sleeved with a liquid dispensing tube (18); the top and bottom of the liquid dispensing tube (18) are both provided with a plurality of atomizing nozzles (19); the outer side of the L-shaped frame (16) is fixedly connected with A liquid storage box (20), a water pump (21) is fixedly mounted on the top surface of the liquid storage box (20), and two ends of the water pump (21) are respectively fixedly connected to liquid guide tubes (22), one end of one of the liquid guide tubes (22) extends to the inner cavity of the liquid storage box (20), and one end of the other liquid guide tube (22) is fixedly sleeved to the inner cavity of the liquid dispensing tube (18), and a servo motor (17) is fixedly mounted on the end of the moving box (14), and the output shaft of the moving box (14) is connected to the end of a reciprocating screw rod (15).

3. A combined molding die according to claim 1, characterized in that: The top surface of the lower die base (1) and the bottom surface of the upper die base (2) are both provided with a slot (23), the lower die cover plate (3) and the upper die cover plate (4) are both provided with an insert block (24), the insert block (24) is movably sleeved into the inner cavity of the slot (23), and insertion holes (25) are respectively provided on both sides of the insert block (24), and the outer sides of the lower die base (1) and the upper die base (2) are both provided with a telescopic groove (26), the inner wall of the telescopic groove (26) is fixedly connected with a spring (27), one end of the spring (27) is fixedly connected with a pull plate (28), the inner side surface of the pull plate (28) is fixedly connected with a latch (29), and one end of the latch (29) is movably sleeved into the inner cavity of the insertion hole (25).

4. A combined molding die according to claim 2, characterized in that: A threaded plug (30) is threadedly mounted on the top surface of the liquid storage box (20).

5. A combined molding die according to claim 2, characterized in that: The top surface and the bottom surface of the L-shaped frame (16) are respectively fitted with the inner wall of the moving box (14).

6. A combined molding die according to claim 3, characterized in that: The side surface of the insert block (24) fits with the inner wall of the slot (23), the top surface of the upper die cover plate (4) fits with the bottom surface of the lower die base (1), and the top surface of the lower die base (1) fits with the bottom surface of the lower die cover plate (3).

7. The combined molding die according to claim 3, characterized in that: The inner diameter of the insertion hole (25) is equal to the outer diameter of the latch pin (29).

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