Automatic demolding device for large-size pouring cup

Abstract

The utility model discloses an automatic demoulding device for a large-size sprue cup, which belongs to the technical field of sprue cup preparation and comprises an operating platform, a through hole and a limiting groove are arranged at the upper end of the operating platform, and the axis of the limiting groove extends to coincide with the geometric center of the through hole. A movable mold and a fixed mold are oppositely installed on the upper surface of the operation table, mold cavities are formed in the movable mold and the fixed mold, heating pipes are installed on the side walls of the movable mold and the fixed mold, supporting rods are fixedly connected to the four corners of the lower end of the operation table, and an installation frame is fixedly connected to the positions, located on the lower side of the operation table, of the outer ends of the supporting rods. And a first air cylinder is installed on the installation frame and located on the right lower side of the through hole, and the output end of the first air cylinder is fixedly connected with a first driving shaft. According to the automatic mold closing and splitting device, mold closing and mold splitting can be conducted in an automatic mode, the labor intensity of workers is reduced, meanwhile, the demolding difficulty of the pouring cup is effectively reduced, and the production quality and production efficiency of products can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gate cup preparation, and more specifically, to an automatic demoulding device for large-size gate cups. Background Technique

[0002] The application of the gate cup in the casting process is crucial, which can achieve precise control of the flow rate and flow direction of liquid metal, improve the quality and qualification rate of castings. In the existing gate cup preparation process, the use method of the mold varies according to different production requirements and technical conditions, but most of them use manual molds. When preparing the gate cup with a manual mold, first put the core block, then close the left and right molds, so that a gate cup pouring runner is formed between the core block and the mold, and then the closed mold is clamped by a fastener. Then, the material is filled at the pouring runner, and the material is quickly solidified and formed by heating the mold. Finally, the gate cup is taken out after demoulding.

[0003] After retrieval, the Chinese utility model patent with the publication number of CN208555904U discloses a shell-making machine for a coated sand gate cup with automatic demoulding, including a mold body. The mold body includes a left mold and a right mold. The left mold and the right mold are buckled in the middle of the mold body to form a mold cavity. Heating tubes are arranged in both the left mold and the right mold. Clamping plates are fixed on the outer sides of the left mold and the right mold. One ends of the two clamping plates approach each other and are hinged, and handles are arranged at the other ends. A fixed clamp is arranged between the two handles. A workbench is arranged below the mold body. A through hole is arranged at the position of the mold cavity on the workbench. A driving part is fixedly arranged below the tabletop of the workbench, and the upper end of the driving part is connected to the core block. The driving part drives the core block to move upward into the mold cavity or move downward out of the mold cavity. The utility model can automatically take out the core block, thereby ensuring the integrity of the shell. In the above patent solution, this production method is only limited to the preparation of small-size gate cups. For the preparation of large-size gate cups, the mold needs to be correspondingly increased in height and weight, which will make it difficult for manual rotation of the mold for mold closing and mold opening due to the weight of the mold. And in the above patent, since the left mold and the right mold can be rotated arbitrarily, it is difficult to ensure that the mold cavity is directly above the core block after mold closing. This manual method has the disadvantages of high labor intensity of employees and difficulty in ensuring product production quality and production efficiency. Content of the Utility Model

[0004] 1. Technical Problems to be Solved

[0005] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide an automatic demoulding device for large-size gate cups, which can realize mold closing and mold opening in an automated manner, reduce the labor intensity of personnel, and at the same time effectively reduce the demoulding difficulty of the gate cup, which helps to improve the production quality and production efficiency of products.

[0006] 2. Technical Solutions

[0007] To solve the above problems, the utility model adopts the following technical solutions.

[0008] An automatic demoulding device for a large-size pouring cup, comprising an operating table, wherein through holes and limiting grooves are formed in the upper end of the operating table, the axis of the limiting groove extends and coincides with the geometric center of the through hole, a moving die and a fixed die are oppositely arranged and installed on the upper surface of the operating table, mold cavities are arranged in both the moving die and the fixed die, heating pipes are installed on the side walls of both the moving die and the fixed die, support rods are fixedly connected to the four corners of the lower end of the operating table, mounting frames are fixedly connected to the outer ends of the support rods and located on the lower side of the operating table, a first cylinder is installed on the mounting frame, the first cylinder is located directly below the through hole, a driving shaft one is fixedly connected to the output end of the first cylinder, a core block is fixedly connected to the end of the driving shaft one far away from the first cylinder, and the gap between the core block and the mold cavity forms a pouring runner. A second cylinder is installed on the operating table, a driving shaft two is fixedly connected to the output end of the second cylinder, and the driving shaft two is fixedly connected to the left side wall of the moving die. It can realize mold closing and mold opening in an automated manner, reduce the labor intensity of personnel, and at the same time effectively reduce the demoulding difficulty of the pouring cup, which helps to improve the production quality and production efficiency of products.

[0009] Further, the fixed die is fixedly connected to the operating table and is located outside the through hole. A slider is fixedly connected to the lower end of the moving die and close to the second cylinder. The slider is located in the limiting groove and is slidably connected thereto. The moving die and the fixed die can be movably butted. The slider is an inverted "T" shaped slider, and the shape of the limiting groove is adapted thereto. The movement track of the moving die is limited by the limiting groove and the slider, so that the moving die can only move linearly along the limiting groove, ensuring that there is no assembly deviation when the moving die and the fixed die are closed.

[0010] Further, a plurality of spherical grooves are formed in the lower end of the slider, and balls are installed in the spherical grooves. The friction of the slider sliding in the limiting groove is reduced by the balls, enabling the second cylinder to drive the moving die to reciprocate smoothly on the operating table.

[0011] Further, a pair of positioning grooves are formed at the end of the fixed die close to the moving die, a pair of positioning blocks are fixedly connected to the end of the moving die close to the fixed die, the shapes of the positioning grooves and the positioning blocks are adapted to each other, and a rubber layer is fixedly connected to the outer end of the positioning block. The moving die and the fixed die are accurately positioned by the engagement of the positioning blocks and the positioning grooves, improving the assembly accuracy of the moving die and the fixed die.

[0012] 3. Beneficial effects

[0013] Compared with the prior art, the advantages of the utility model are as follows:

[0014] (1) This solution can achieve mold closing and mold opening in an automated manner, reducing the labor intensity of workers. At the same time, it effectively reduces the demolding difficulty of the sprue cup, which helps to improve the production quality and efficiency of products.

[0015] (2) The fixed mold is fixedly connected to the operating table, and the fixed mold is located outside the through hole. A slider is fixedly connected to the lower end of the moving mold and close to one side of the second cylinder. The slider is located in the limiting groove and is slidably connected thereto. The moving mold and the fixed mold can be movably butted. The slider is an inverted "T" - shaped slider, and the shape of the limiting groove is adapted to it. The movement track of the moving mold is limited by the limiting groove and the slider, so that the moving mold can only move linearly along the limiting groove, ensuring that there is no assembly deviation when the moving mold and the fixed mold are closed.

[0016] (3) A plurality of spherical grooves are opened at the lower end of the slider, and balls are installed in the spherical grooves. The friction of the slider sliding in the limiting groove is reduced by the balls, so that the second cylinder can drive the moving mold to reciprocate smoothly on the operating table.

[0017] (4) A pair of positioning grooves are opened at one end of the fixed mold close to the moving mold, and a pair of positioning blocks are fixedly connected to one end of the moving mold close to the fixed mold. The shapes of the positioning grooves and the positioning blocks are adapted to each other. A rubber layer is fixedly connected to the outer end of the positioning block. The moving mold and the fixed mold are accurately positioned by the engagement of the positioning block and the positioning groove, improving the assembly accuracy of the moving mold and the fixed mold. Description of the Drawings

[0018] Figure 1 is a three - dimensional structural schematic diagram of the present utility model;

[0019] Figure 2 is a front - view sectional view of the core block of the present utility model located in the moving mold;

[0020] Figure 3 is the present utility model Figure 1 enlarged view at A in;

[0021] Figure 4 is a structural schematic diagram of the first cylinder and the core block of the present utility model.

[0022] Explanation of the reference numerals in the drawings:

[0023] 1. Operating table; 101. Through hole; 102. Limiting groove; 2. Moving mold; 201. Positioning block; 202. Slider; 203. Ball; 3. Fixed mold; 301. Positioning groove; 4. Mold cavity; 5. Heating pipe; 6. Support rod; 7. Mounting bracket; 8. First cylinder; 9. Driving shaft one; 10. Core block; 11. Second cylinder; 12. Driving shaft two; 13. Pouring runner. Detailed Embodiment

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed 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 defined, the terms "installed", "provided with", "sheathed / 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0027] Embodiment 1:

[0028] Please refer to Figures 1-4 , an automatic demoulding device for a large-size pouring cup, including an operating table 1. A through hole 101 and a limiting groove 102 are opened at the upper end of the operating table 1. The axis of the limiting groove 102 extends and coincides with the geometric center of the through hole 101. A moving mold 2 and a fixed mold 3 are oppositely arranged and installed on the upper surface of the operating table 1. Mold cavities 4 are arranged in both the moving mold 2 and the fixed mold 3. Heating pipes 5 are installed on the side walls of the moving mold 2 and the fixed mold 3. Support rods 6 are fixedly connected to the four corners at the lower end of the operating table 1. An installation frame 7 is fixedly connected to the outer ends of the support rods 6 and at a position below the operating table 1. A cylinder 8 is installed on the installation frame 7. The cylinder 8 is located directly below the through hole 101. The output end of the cylinder 8 is fixedly connected to a driving shaft 9. One end of the driving shaft 9 away from the cylinder 8 is fixedly connected to a core block 10. The cylinder 8 drives the core block 10 to move up and down. The core block 10 can extend into the mold cavity 4, as Figure 2As shown in the figure, the gap between the pellet 10 and the mold cavity 4 forms a casting runner 13. During specific implementation, a mold release agent is coated on the outer surface of the pellet 10 and in the mold cavity 4 within the moving mold 2 and the fixed mold 3, which can be used to reduce the difficulty of demolding. The material is poured into the casting runner 13, and the inside of the moving mold 2 and the fixed mold 3 is heated and raised in temperature through the heating pipe 5, so as to increase the curing speed of the material in the casting runner 13. According to the actual demolding effect, the pouring cup can be retracted with the pellet 10 driven by the cylinder one 8, and then the moving mold 2 is driven to move leftward by the cylinder two 11, so that the moving mold 2 is separated from the fixed mold 3, and then the mold is taken out. If the pouring cup falls together with the retraction of the pellet 10, it means that the pouring cup can be easily taken out. If the position of the pouring cup has not changed and there is still some adhesion, manual curing and taking-out operations are required. The cylinder two 11 is installed on the operating platform 1, and the output end of the cylinder two 11 is fixedly connected with a driving shaft two 12, and the driving shaft two 12 is fixedly connected with the left side wall of the moving mold 2. The cylinder two 11 controls the reciprocating movement of the moving mold 2 along the surface of the operating platform 1. The installation and opening / closing methods of the heating pipe 5, the cylinder one 8 and the cylinder two 11 are prior arts and will not be elaborated here.

[0029] Please refer to Figures 1-3 , the fixed mold 3 is fixedly connected with the operating platform 1, and the fixed mold 3 is located outside the through hole 101. A slider 202 is fixedly connected to the lower end of the moving mold 2 and on the side close to the cylinder two 11. The slider 202 is located on the side of the mold cavity 4 of the moving mold 2. The slider 202 is located in the limiting groove 102 and is slidably connected thereto. The moving mold 2 and the fixed mold 3 can be movably butted. The slider 202 is an inverted "T" shaped slider, and the shape of the limiting groove 102 is adapted thereto. The movement track of the moving mold 2 is limited by the limiting groove 102 and the slider 202, so that the moving mold 2 can only move linearly along the limiting groove 102, ensuring that there will be no assembly deviation when the moving mold 2 and the fixed mold 3 are closed.

[0030] Please refer to Figures 1-3 , a plurality of spherical grooves are formed at the lower end of the slider 202, and balls 203 are installed in the spherical grooves. The friction of the slider 202 sliding in the limiting groove 102 is reduced through the balls 203, so that the cylinder two 11 can drive the moving mold 2 to reciprocate smoothly on the operating platform 1.

[0031] Please refer to Figures 1-2 , a pair of positioning grooves 301 are formed at one end of the fixed mold 3 close to the moving mold 2, and a pair of positioning blocks 201 are fixedly connected to one end of the moving mold 2 close to the fixed mold 3. The shapes of the positioning grooves 301 and the positioning blocks 201 are adapted to each other. A rubber layer is fixedly connected to the outer end of the positioning block 201. The accurate positioning between the moving mold 2 and the fixed mold 3 is realized through the engagement of the positioning block 201 and the positioning grooves 301, improving the assembly accuracy of the moving mold 2 and the fixed mold 3.

[0032] Working principle: When using this mold to prepare the pouring cup, first evenly coat the release agent on the inner surface of the mold cavity 4 and the surface of the core block 10 to reduce the difficulty of subsequent demolding. Then start the second cylinder 11 to push the moving mold 2 towards the fixed mold 3 until the slider 202 slides to the rightmost side of the limit groove 102. At this time, the positioning block 201 is inserted into the positioning groove 301, and the moving mold 2 and the fixed mold 3 are spliced. Then start the first cylinder 8 to push the core block 10 into the mold cavity 4 to form a pouring channel 13 between the mold cavity 4 and the core block 10. Then pour the material into the pouring channel 13, and start the heating tube 5 to heat up the mold cavity 4 to accelerate the solidification and forming speed of the pouring cup material. Finally, wait for the material to cool and then demold. The demolding steps are opposite to the above steps and will not be elaborated here. Compared with the prior art, the utility model can realize the mold closing and mold opening in an automated manner, reduce the labor intensity of personnel, and at the same time effectively reduce the demolding difficulty of the pouring cup, which helps to improve the production quality and production efficiency of the product.

[0033] The above is only the preferred specific implementation mode of the utility model; however, the protection scope of the utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the utility model, according to the technical solution of the utility model and its improved concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the utility model.

Claims

1. An automatic demoulding device for a large-size pouring cup, comprising an operating table (1), characterized in that: The upper end of the operating table (1) is provided with a through hole (101) and a limiting groove (102), the axis of the limiting groove (102) being extended to coincide with the geometric center of the through hole (101), the upper surface of the operating table (1) is provided with a movable mold (2) and a fixed mold (3) arranged relatively to each other, the movable mold (2) and the fixed mold (3) are both provided with a mold cavity (4), the side walls of the movable mold (2) and the fixed mold (3) are both provided with a heating tube (5), the four corners of the lower end of the operating table (1) are fixedly connected with support rods (6), the outer ends of the support rods (6) and the position located at the lower side of the operating table (1) are fixedly connected with a mounting A mounting frame (7) is provided on the mounting frame (7), a cylinder 1 (8) is installed on the mounting frame (7), the cylinder 1 (8) is located directly below the through hole (101), the output end of the cylinder 1 (8) is fixedly connected to a drive shaft 1 (9), the end of the drive shaft 1 (9) away from the cylinder 1 (8) is fixedly connected to a core block (10), the gap between the core block (10) and the mold cavity (4) constitutes a casting flow channel (13), and a cylinder 2 (11) is installed on the operating table (1), the output end of the cylinder 2 (11) is fixedly connected to a drive shaft 2 (12), and the drive shaft 2 (12) is fixedly connected to the left side wall of the movable mold (2).

2. The large-size pouring cup automatic demoulding device according to claim 1, characterized in that: The fixed mold (3) is fixedly connected to the operating table (1), and the fixed mold (3) is located outside the through hole (101). A slider (202) is fixedly connected to the lower end of the movable mold (2) and the side close to the second cylinder (11). The slider (202) is located in the limiting groove (102) and is slidably connected thereto. The movable mold (2) and the fixed mold (3) can be movably connected to each other.

3. The automatic demoulding device for a large-size pouring cup according to claim 2, characterized in that: The slider (202) is an inverted "T"-shaped slider, and the shape of the limiting groove (102) is adapted thereto.

4. The large-size pouring cup automatic demoulding device according to claim 2, characterized in that: A plurality of spherical grooves are formed at the lower end of the slider (202), and balls (203) are installed in the spherical grooves.

5. The large-size pouring cup automatic demoulding device according to claim 1, characterized in that: A pair of positioning grooves (301) are formed at one end of the fixed mold (3) close to the movable mold (2); a pair of positioning blocks (201) are fixedly connected to one end of the movable mold (2) close to the fixed mold (3); the positioning grooves (301) are adapted to the shapes of the positioning blocks (201); and the outer ends of the positioning blocks (201) are fixedly connected to a rubber layer.

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