Overflow device for pouring coupling seat

Abstract

The utility model relates to the technical field of shaft coupling seat processing, in particular to an overflow device for shaft coupling seat pouring, which comprises a lower die seat, an upper die seat is arranged on the lower die seat, a cavity is arranged in the lower die seat close to the upper die seat, a pouring port is arranged at one end of the top of the upper die seat, and an overflow riser is arranged at the other end of the top of the upper die seat. A pouring gate extending to the inner side of the pouring opening is formed in one side of the interior of the cavity, an overflow channel extending to the inner side of the overflow riser is formed in the other side of the interior of the cavity, and a separation deslagging mechanism is installed on the upper die base and the lower die base and comprises a deslagging separation assembly, a linkage assembly, a material injection sealing assembly and a recycling assembly. The deslagging separation assembly is used for separating a channel to guide dirty iron liquid containing slag to be discharged; the device is simple in structure and convenient to operate, slag-containing dirty iron liquid mixed with molten slag and shakeout is effectively discharged, the conditions of air holes and slag inclusion are reduced, and the casting quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft coupling processing, in particular to an overflow device for casting a shaft coupling. Background Art

[0002] The shaft coupling can accept comprehensive loads, and has the characteristics of compact structure, sensitive rotation, and easy maintenance. Where there is a shaft, there must be a support point. The shaft coupling can provide an external support point for the shaft. It has been widely used in many mechanical equipment. The existing shaft couplings are mostly produced in dry sand molds during processing and manufacturing, with a two-unit pouring system (straight runner, inner runner), flat casting and vertical pouring, bottom pouring and top bubbling. However, the scrap rate after processing is 35% to 40%, and the main defects are pores and slag inclusions. The slag and falling sand adhere to the inner wall of the cavity and mix with the molten iron to form dirty molten iron containing slag, causing pores and slag inclusions inside the casting. Therefore, it is urgent to design an overflow device for pouring a shaft coupling to solve the above problems. Utility Model Content

[0003] The utility model aims to provide an overflow device for casting a shaft coupling to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] An overflow device for casting a shaft coupling seat comprises a lower die seat, an upper die seat is arranged on the lower die seat, a cavity is opened inside the lower die seat near the upper die seat, a pouring port is opened at one end of the top of the upper die seat, an overflow riser is opened at the other end of the top of the upper die seat, a pouring channel extending to the inner side of the pouring port is opened on one side of the cavity, an overflow channel extending to the inner side of the overflow riser is opened on the other side of the cavity, a separating and slag removal mechanism is installed on the upper die seat and the lower die seat, the separating and slag removal mechanism comprises a slag removal separating assembly, a linkage assembly, an injection sealing assembly and a recovery assembly, the linkage assembly is used to drive the slag removal separating assembly, the slag removal separating assembly is used to separate the channel to guide the discharge of dirty iron liquid containing slag, the injection sealing assembly is used to close the injection channel after the injection is completed to avoid backflow, and the recovery assembly is used to collect the discharged dirty iron liquid containing slag.

[0006] As a preferred solution of the utility model, the linkage assembly includes a rotating rod rotatably connected to the top of the upper mold base and located around the overflow riser, a sprocket is sleeved on the outer side of the top of the rotating rod, and multiple groups of sprockets are connected by chain meshing, a fixed plate is installed at one end of the top of the upper mold base, a driving motor is installed at one end of the fixed plate, and the driving end of the driving motor is fixedly connected to one group of rotating rods.

[0007] As a preferred scheme of the utility model, the slag discharge partition assembly includes mounting grooves opened at both ends of one side of the upper mold base, a fixed cylinder is installed on the inner side of the mounting groove, the inner side of the fixed cylinder is rotatably connected to a threaded rod, the outer side of the threaded rod is threadedly connected to a movable cylinder, one end of the rotating rod extends to the interior of the fixed cylinder and is fixedly connected to one end of the threaded rod, a guide port penetrating the lower mold base is opened on one side of the overflow riser in the upper mold base, a partition groove extending to the interior of the lower mold base is opened on one side of the mounting groove in the upper mold base, one group of the partition grooves penetrates the guide port, and the other group of the partition grooves penetrates the overflow channel, a partition plate slidably connected to the partition groove is installed at the bottom end of the movable cylinder, and the threads of the two groups of threaded rods are opposite.

[0008] As a preferred solution of the utility model, one group of the partition plates is provided with a first through hole corresponding to the guide port, and another group of the partition plates is provided with a second through hole corresponding to the overflow channel. Sliding grooves are provided on both sides of the fixed cylinder, and sliding blocks slidably connected to the sliding grooves are installed at both ends of the movable cylinder.

[0009] As a preferred solution of the utility model, the injection closing assembly includes a closing groove opened inside the upper mold base and the lower mold base, the closing groove runs through the pouring channel, a closing plate is slidably connected to the inner side of the closing groove, a limiting groove is opened on one side of the closing plate inside the upper mold base, an iron block is slidably connected to the inner side of the limiting groove, magnetic blocks adsorbed to the iron block are embedded and installed on both sides of the inner wall of the limiting groove, a pull ring is installed on one end of the closing plate extending to the outer side of the upper mold base, and a third through hole corresponding to the pouring channel is opened at one end of the closing plate.

[0010] As a preferred solution of the utility model, the recovery component includes a mounting frame installed on one side of the lower mold base, a positioning groove is provided on one side of the mounting frame, a positioning plate is snap-connected to the inner side of the positioning groove, a recovery box is installed on the bottom end of the positioning plate, an opening is provided on one side of the recovery box, and the opening is aligned with the guide port.

[0011] As a preferred solution of the utility model, a positioning hole is provided on the top of the mounting frame and extends to the interior of the positioning plate. The inner side of the positioning hole is slidably connected to the positioning column. A buckle is installed at one end of the outer side of the positioning column. A connecting plate is installed at one end of the top of the mounting frame. An adjustment groove is provided on one side of the connecting plate. An adjustment plate slidably connected to the adjustment groove is installed on the outer side of the positioning column below the buckle. A spring is installed between one side of the adjustment plate and the adjustment groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, the slag discharge partition component can be driven by the linkage component, the slag discharge partition component can separate the channel to guide the discharge of dirty iron liquid containing slag, the injection closing component closes the injection channel after the injection is completed to prevent backflow, and the recovery component is used to centrally collect the discharged dirty iron liquid containing slag. It has a simple structure and is easy to operate. It can effectively discharge the dirty iron liquid containing slag mixed with molten slag and falling sand, reduce the occurrence of pores and slag inclusions, and improve the quality of castings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a partial cross-sectional structural schematic diagram of the upper die base and the lower die base of the utility model;

[0016] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0017] Figure 4 For this utility model Figure 2 A schematic diagram of the enlarged structure of part B;

[0018] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure of part C.

[0019] In the figure: 1. lower die base; 2. upper die base; 3. cavity; 4. pouring gate; 5. overflow riser; 6. pouring channel; 7. overflow channel; 8. sprocket; 9. driving motor; 10. fixed cylinder; 11. threaded rod; 12. movable cylinder; 13. guide port; 14. partition plate; 15. first through hole; 16. second through hole; 17. closing plate; 18. iron block; 19. mounting frame; 20. positioning plate; 21. recovery box; 22. positioning column; 23. adjustment plate; 24. spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Example:

[0022] See also Figure 1-Figure 5 , the utility model provides a technical solution:

[0023] An overflow device for casting a shaft coupling seat comprises a lower die seat 1, an upper die seat 2 is arranged on the lower die seat 1, a pouring channel 6 extending to the inner side of a pouring port 4 is opened on one side of the cavity 3, an overflow channel 7 extending to the inner side of an overflow riser 5 is opened on the other side of the cavity 3, a separation and slag discharge mechanism is installed on the upper die seat 2 and the lower die seat 1, and the separation and slag discharge mechanism comprises a slag discharge separation component, a linkage component, an injection sealing component and a recovery component, the linkage component is used to drive the slag discharge separation component, the slag discharge separation component is used to separate the channel to guide the discharge of dirty iron liquid containing slag, and the injection sealing component is used to separate the channel to guide the discharge of dirty iron liquid containing slag. The component is used to close the injection channel after the injection is completed to avoid backflow, and the recovery component is used to collect the discharged dirty iron liquid containing slag. When in use, the device can drive the slag discharge separation component through the linkage component. The slag discharge separation component can separate the channel to guide the discharge of the dirty iron liquid containing slag. The injection closing component closes the injection channel after the injection is completed to avoid backflow. The recovery component is used to centrally collect the discharged dirty iron liquid containing slag. It has a simple structure and is easy to operate. It can effectively discharge the dirty iron liquid containing slag mixed with slag and falling sand, reduce the occurrence of pores and slag inclusions, and improve the quality of castings.

[0024] In this embodiment, if Figure 1 and Figure 2 As shown, a cavity 3 is opened inside the lower mold base 1 near the upper mold base 2, a pouring port 4 is opened at one end of the top of the upper mold base 2, and an overflow riser 5 is opened at the other end of the top of the upper mold base 2. Firstly, after top pouring, the molten iron has a higher filling capacity, the heat distribution of the casting is reasonable, which conforms to the principle of balanced solidification, and the self-shrinkage capacity of the casting can be fully utilized, which is conducive to obtaining a densely structured casting. The colder molten iron can be poured first from the bottom through the pouring port 4, and the hot molten iron introduced subsequently can activate the liquid surface, so that the slag and sand will not adhere to the mold wall, float to the top surface as the cavity 3 is filled, and be discharged from the cavity 3 through the overflow channel 7.

[0025] In this embodiment, if Figure 1 , Figure 2 and Figure 4As shown, the linkage assembly includes a rotating rod rotatably connected to the top of the upper mold base 2 and located around the overflow riser 5, a sprocket 8 is sleeved on the outer side of the top of the rotating rod, and multiple groups of sprockets 8 are connected by chain meshing, a fixed plate is installed at one end of the top of the upper mold base 2, and a driving motor 9 is installed at one end of the fixed plate, and the driving end of the driving motor 9 is fixedly connected to one group of rotating rods, and the slag discharge separation assembly includes mounting grooves opened at both ends of one side of the upper mold base 2, a fixed cylinder 10 is installed on the inner side of the mounting groove, a threaded rod 11 is rotatably connected to the inner side of the fixed cylinder 10, and a movable cylinder 12 is threadedly connected to the outer side of the threaded rod 11, one end of the rotating rod extends to the inside of the fixed cylinder 10 and is fixedly connected to one end of the threaded rod 11, a guide port 13 penetrating the lower mold base 1 is opened inside the upper mold base 2 on one side of the overflow riser 5, and a separation groove extending to the inside of the lower mold base 1 is opened inside the upper mold base 2 on one side of the mounting groove, one group of separation grooves penetrates the guide port 13, and the other group of separation grooves penetrates the overflow channel 7, and the bottom of the movable cylinder 12 A partition plate 14 slidably connected to the partition groove is installed at the end, and the threads of the two groups of threaded rods 11 are opposite. A first through hole 15 corresponding to the guide port 13 is opened inside one group of partition plates 14, and a second through hole 16 corresponding to the overflow channel 7 is opened inside the other group of partition plates 14. Sliding grooves are opened on both sides of the fixed cylinder 10, and sliding blocks slidably connected to the sliding grooves are installed at both ends of the movable cylinder 12. Then, the dirty iron liquid containing slag gradually pours into the overflow riser 5. After the personnel observes the dirty iron liquid emerging from the overflow riser 5, they start the driving motor 9 to drive one group of rotating rods to rotate, and cooperate with multiple groups of sprockets 8 and chains to drive the two groups of threaded rods 11 to rotate. One group of movable cylinders 12 drives the partition plate 14 to retract, and the other group of movable cylinders 12 drives the partition plate 14 to extend. At this time, the first through hole 15 is aligned with the guide port 13, and the second through hole 16 is misaligned with the overflow channel 7, so that the dirty iron liquid is guided to the guide port 13 for discharge. When the movable cylinder 12 moves, the sliding block also moves on the inside of the sliding groove to ensure smooth movement.

[0026] In this embodiment, if Figure 1 , Figure 2 and Figure 5 As shown, the injection closing assembly includes a closing groove opened inside the upper mold base 2 and the lower mold base 1, the closing groove passes through the pouring channel 6, and a closing plate 17 is slidably connected to the inner side of the closing groove. A limiting groove is opened inside the upper mold base 2 on one side of the closing plate 17, and an iron block 18 is slidably connected to the inner side of the limiting groove. Magnetic blocks adsorbed to the iron block 18 are embedded and installed on both sides of the inner wall of the limiting groove. A pull ring is installed at one end of the closing plate 17 extending to the outer side of the upper mold base 2, and a third through hole corresponding to the pouring channel 6 is opened at one end of the closing plate 17. Furthermore, after the injection is completed, the pull ring is buckled to squeeze the closing plate 17 downward, so that the iron block 18 is separated from one group of magnetic blocks and adsorbed to another group of magnetic blocks. At this time, the third through hole is misaligned with the pouring channel 6 to prevent the molten iron from flowing back.

[0027] In this embodiment, if Figure 1 and Figure 3 As shown, the recycling component includes a mounting frame 19 installed on one side of the lower mold base 1, a positioning groove is provided on one side of the mounting frame 19, a positioning plate 20 is snap-connected on the inner side of the positioning groove, a recycling box 21 is installed on the bottom end of the positioning plate 20, an opening is provided on one side of the recycling box 21, the opening is aligned with the guide port 13, a positioning hole is provided on the top of the mounting frame 19 extending to the inside of the positioning plate 20, a positioning column 22 is slidably connected to the inner side of the positioning hole, a buckle is installed on one end of the outer side of the positioning column 22, a connecting plate is installed on one end of the top of the mounting frame 19, an adjusting groove is provided on one side of the connecting plate, an adjusting plate 23 slidably connected to the adjusting groove is installed on the outer side of the positioning column 22 below the buckle, a spring 24 is installed between one side of the adjusting plate 23 and the adjusting groove, further, after a certain amount of dirty iron liquid is collected, the pull ring can be buckled to drive the adjusting plate 23 and the positioning column 22 to move, and the spring 24 is stretched accordingly, and after the positioning column 22 is away from the positioning plate 20, the recycling box 21 and the positioning plate 20 can be pulled and removed.

[0028] The implementation principle of an overflow device for casting a shaft coupling in the embodiment of the present application is as follows: after top pouring, the molten iron has a higher filling capacity, the heat distribution of the casting is reasonable, it complies with the principle of balanced solidification, the self-shrinkage compensation ability of the casting can be fully utilized, and it is beneficial to obtain a casting with dense structure. The colder molten iron can be poured in from the bottom through the pouring port 4 first, and the hot molten iron introduced subsequently can activate the liquid surface, so that the slag and sand will not adhere to the mold wall, float to the top surface as the mold cavity 3 is filled, and discharge the mold cavity 3 through the overflow channel 7, and the dirty molten iron containing slag gradually pours into the overflow riser 5. After the personnel sees the dirty molten iron floating on the overflow riser 5, they start the driving motor 9 to drive one of the rotating rods to rotate, and cooperate with multiple groups of sprockets 8 and chains to drive two groups of threaded rods 11 to rotate, and one group of movable cylinders 1 2 drives the partition plate 14 to retract, and the other group of movable cylinders 12 drives the partition plate 14 to extend. At this time, the first through hole 15 is aligned with the guide port 13, and the second through hole 16 is misaligned with the overflow channel 7, so that the dirty iron liquid is guided to the guide port 13 for discharge. When the movable cylinder 12 moves, the sliding block also moves inside the sliding groove to ensure smooth movement. After the injection is completed, the pull ring is buckled to squeeze the closing plate 17 downward, so that the iron block 18 is separated from one group of magnetic blocks and adsorbed by the other group of magnetic blocks. At this time, the third through hole is misaligned with the pouring channel 6 to prevent the iron liquid from flowing back. After a certain amount of dirty iron liquid is collected, the pull ring can be buckled to drive the adjustment plate 23 and the positioning column 22 to move, and the spring 24 is stretched accordingly. After the positioning column 22 is away from the positioning plate 20, the recovery box 21 and the positioning plate 20 can be pulled and removed.

[0029] The control method of the present invention is controlled by a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An overflow device for casting a shaft coupling, comprising a lower die seat (1), characterized in that: An upper mold base (2) is provided on the lower mold base (1), a mold cavity (3) is provided inside the lower mold base (1) near the upper mold base (2), a pouring port (4) is provided at one end of the top of the upper mold base (2), an overflow riser (5) is provided at the other end of the top of the upper mold base (2), a pouring channel (6) extending to the inside of the pouring port (4) is provided on one side of the mold cavity (3), an overflow channel (7) extending to the inside of the overflow riser (5) is provided on the other side of the mold cavity (3), and a separation and slag removal mechanism is installed on the upper mold base (2) and the lower mold base (1), the separation and slag removal mechanism comprises a slag removal separation component, a linkage component, an injection sealing component and a recovery component, the linkage component is used to drive the slag removal separation component, the slag removal separation component is used to separate the channel to guide the discharge of dirty iron liquid containing slag, the injection sealing component is used to close the injection channel after the injection is completed to prevent backflow, and the recovery component is used to collect the discharged dirty iron liquid containing slag.

2. An overflow device for casting a shaft coupling according to claim 1, characterized in that: The linkage assembly comprises a rotating rod rotatably connected to the top of the upper die base (2) and located around the overflow riser (5); a sprocket (8) is sleeved on the outer side of the top of the rotating rod; a plurality of groups of sprockets (8) are connected by chain meshing; a fixed plate is installed at one end of the top of the upper die base (2); a driving motor (9) is installed at one end of the fixed plate; a driving end of the driving motor (9) is fixedly connected to one group of rotating rods.

3. An overflow device for casting a shaft coupling according to claim 2, characterized in that: The slag discharge partition assembly comprises mounting grooves at both ends of one side of the upper die base (2), a fixed cylinder (10) is mounted on the inner side of the mounting groove, a threaded rod (11) is rotatably connected to the inner side of the fixed cylinder (10), a movable cylinder (12) is threadedly connected to the outer side of the threaded rod (11), one end of the rotating rod extends to the interior of the fixed cylinder (10) and is fixedly connected to one end of the threaded rod (11), a guide port (13) penetrating the lower die base (1) is provided on one side of the overflow riser (5) inside the upper die base (2), a partition groove extending to the interior of the lower die base (1) is provided on one side of the mounting groove inside the upper die base (2), one group of the partition grooves penetrates the guide port (13), and the other group of the partition grooves penetrates the overflow channel (7), a partition plate (14) slidably connected to the partition groove is mounted on the bottom end of the movable cylinder (12), and the threads of the two groups of threaded rods (11) are opposite.

4. The overflow device for casting a shaft coupling according to claim 3, characterized in that: A first through hole (15) corresponding to the guide port (13) is provided inside one group of the partition plates (14), and a second through hole (16) corresponding to the overflow channel (7) is provided inside another group of the partition plates (14). Sliding grooves are provided on both sides of the interior of the fixed cylinder (10), and sliding blocks slidably connected to the sliding grooves are installed at both ends of the movable cylinder (12).

5. The overflow device for casting a shaft coupling according to claim 4, characterized in that: The injection sealing component comprises a sealing groove opened inside the upper mold base (2) and the lower mold base (1), the sealing groove passes through the pouring channel (6), a sealing plate (17) is slidably connected to the inner side of the sealing groove, a limiting groove is opened on one side of the sealing plate (17) inside the upper mold base (2), an iron block (18) is slidably connected to the inner side of the limiting groove, and magnetic blocks adsorbed to the iron block (18) are embedded and installed on both sides of the inner wall of the limiting groove, a pull ring is installed on one end of the sealing plate (17) extending to the outer side of the upper mold base (2), and a third through hole corresponding to the pouring channel (6) is opened at one end of the sealing plate (17).

6. The overflow device for casting a shaft coupling according to claim 5, characterized in that: The recovery component comprises a mounting frame (19) mounted on one side of the lower mold base (1), a positioning groove is provided on one side of the mounting frame (19), a positioning plate (20) is snap-connected to the inner side of the positioning groove, a recovery box (21) is mounted on the bottom end of the positioning plate (20), and an opening is provided on one side of the recovery box (21), and the opening is aligned with the guide port (13).

7. An overflow device for casting a shaft coupling according to claim 6, characterized in that: A positioning hole extending to the inside of the positioning plate (20) is provided at the top of the mounting frame (19); a positioning column (22) is slidably connected to the inside of the positioning hole; a buckle is installed at one end of the outside of the positioning column (22); a connecting plate is installed at one end of the top of the mounting frame (19); an adjustment groove is provided on one side of the connecting plate; an adjustment plate (23) slidably connected to the adjustment groove is installed on the outside of the positioning column (22) below the buckle; a spring (24) is installed between one side of the adjustment plate (23) and the adjustment groove.

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