Turnover type structure of large casting

Abstract

The utility model relates to the technical field of casting machining, in particular to a large casting turnover structure which comprises a turnover assembly and a clamping assembly arranged on the turnover assembly, and the turnover assembly comprises two oppositely-arranged U-shaped mounting frames and a turnover frame rotationally arranged between the two mounting frames. The turning frame is composed of a mounting frame and two connecting frames, the turning frame is in a U shape, the clamping assembly is arranged on the mounting frame and located between the two connecting frames, turning columns are fixedly connected to the surfaces, deviating from each other, of the two connecting frames, turning holes with coincident axes are formed in the corresponding positions of the two mounting frames, and the turning columns are fixedly connected to the turning holes. And the turning columns rotationally penetrate into the turning holes, so that the effect of efficiently machining the multiple surfaces of the large casting is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of casting processing, in particular to a large casting reversible structure. BACKGROUND

[0002] At present, as the core basic components of high-end equipment manufacturing, large castings bear important functions such as heavy load bearing and power transmission, and need to operate stably under complex working conditions such as high temperature, high pressure, corrosion and impact. The performance is directly related to the reliability and service life of the equipment.

[0003] The existing large casting manufacturing is usually integrally poured and formed by means of a mold matched with the shape of the large casting. After the large casting is manufactured, further processing of the surface or the inside of the large casting is carried out by manual operation or automatic equipment.

[0004] The prior art in the above has the following defects: the large casting usually has a complex structure and needs to be machined on multiple surfaces. When different surfaces are machined, the workers need to manually turn over the large casting, which is low in efficiency. CONTENT OF THE INVENTION

[0005] In order to efficiently machine multiple surfaces of a large casting, the application provides a large casting reversible structure.

[0006] The above technical purpose of the application is realized by the following technical scheme:

[0007] The large casting reversible structure comprises a turning assembly and a clamping assembly arranged on the turning assembly. The turning assembly comprises two oppositely arranged U-shaped mounting frames and a turning frame rotatably arranged between the two mounting frames. The turning frame is composed of a mounting frame and two connecting frames. The turning frame is U-shaped. The clamping assembly is arranged on the mounting frame between the two connecting frames. The surfaces of the two connecting frames away from each other are fixedly connected with turning columns. The corresponding positions of the two mounting frames are provided with turning holes with coinciding axes. The turning columns are rotatably arranged in the turning holes.

[0008] By adopting the above technical scheme, the turning assembly and the clamping assembly are arranged. The turning assembly comprises two oppositely arranged U-shaped mounting frames and a U-shaped turning frame rotatably arranged between the two mounting frames and composed of a mounting frame and two connecting frames. The surfaces of the two connecting frames away from each other are fixedly connected with turning columns. The corresponding positions of the two mounting frames are provided with turning holes with coinciding axes and the turning columns are rotatably arranged in the turning holes. The turning columns can rotate the turning frame between the mounting frames, thereby driving the clamping assembly arranged on the mounting frame between the two connecting frames and the clamped large casting to be turned over. The mechanical machining of multiple surfaces of the large casting is realized. Compared with manually turning over the large casting, the reversible structure is higher in efficiency, thereby improving the machining efficiency.

[0009] Optionally, the mounting frame is composed of two mutually parallel mounting rods and a square rod connecting the ends of the two mounting rods, and the clamping assembly comprises two sliding plates slidingly arranged between the two mounting rods, a connecting plate fixed to the surface of the sliding plate and on the same side of the connecting frame, and a clamping plate arranged on the side of the connecting plate away from the sliding plate and fixed to the connecting plate, and the two clamping plates can be moved closer to or away from each other to clamp the large castings.

[0010] By adopting the above technical scheme, by arranging the sliding plate, the connecting plate and the clamping plate, the two clamping plates can be moved closer to or away from each other between the mounting rods under the driving of the sliding plate, thereby clamping the large castings placed therebetween, realizing stable clamping of large castings of different sizes, facilitating subsequent rotary machining of the large castings, and providing reliable fixed support for the turnover frame to drive the castings to overturn.

[0011] Optionally, a turnover bearing is coaxially arranged in the turnover hole, and the turnover bearing is sleeved on the peripheral wall of the turnover column.

[0012] By adopting the above technical scheme, by arranging the turnover bearing, the rolling friction characteristics of the turnover bearing can be utilized to reduce the frictional resistance between the turnover column and the turnover hole, so that the turnover column rotates more flexibly and smoothly in the turnover hole, thereby ensuring the stability of the overturning process of the turnover frame driving the clamping assembly and the large castings, reducing mechanical wear, and improving the rotary efficiency and service life of the overturnable structure.

[0013] Optionally, a driving column is fixed to the side of the sliding plate away from the clamping plate, the length direction of the driving column is perpendicular to the length direction of the mounting frame, a lead screw is rotationally arranged on the side of the sliding plate away from the clamping plate, the lead screw rotationally penetrates the driving column, the lead screw is threadedly connected with the driving column, a driving motor is arranged at one end of the surface of the mounting frame away from the connecting frame, and the driving motor is coaxially fixed to the lead screw.

[0014] By adopting the above technical scheme, by the driving column, the lead screw and the driving motor, the lead screw rotationally penetrates the driving column and is threadedly connected with the driving column, and the driving motor is coaxially fixed to the lead screw, the driving motor can drive the lead screw to rotate, and the lead screw and the driving column are threadedly connected, so that the two sliding plates are synchronously moved closer to or away from each other between the mounting rods, thereby driving the clamping plate to automatically clamp or release the large castings, realizing mechanized operation of the clamping process, providing stable clamping force for the large castings during overturning, and improving the clamping efficiency and the degree of automation of the structure.

[0015] Optionally, a reinforcing plate is obliquely arranged on the side of each of the two clamping plates away from each other, one end of the reinforcing plate is fixed to the surface of the clamping plate, and the other end is fixed to the surface of the sliding plate.

[0016] By adopting the technical scheme, the reinforcing plate, the clamping plate and the sliding plate form a triangular stable structure, the deformation resistance of the clamping plate when clamping the large casting is enhanced, the clamping plate remains stable when bearing the weight of the casting and external force in the overturning process, the overall rigidity of the clamping assembly is improved, and reliable clamping support is provided for the large casting in the overturning process.

[0017] Optionally, sliding grooves are formed in the opposite side walls of the two mounting rods, the sliding plate is matched with the sliding grooves, and the side walls of the sliding plate are slidingly arranged in the sliding grooves.

[0018] By adopting the technical scheme, the sliding grooves limit the sliding plate, accurate guidance is provided for the sliding of the sliding plate between the mounting rods, the sliding plate moves stably along the length direction of the mounting rod, the parallelism of the clamping plate is ensured during the approaching or moving away process, the stability and reliability of the clamping assembly when clamping the large casting are improved, and stable support is provided for the overturning of the casting driven by the overturning frame.

[0019] Optionally, the surface of one of the mounting frames, away from the other mounting frame, is provided with an overturning motor, the output shaft of the overturning motor is arranged adjacent to and spaced from the overturning column, the axis of the output shaft of the overturning motor is parallel to the axis of the overturning column, the end of the peripheral wall of the output shaft of the overturning motor and the end of the peripheral wall of the overturning column are both sleeved with linkage gears, and the linkage gears are meshed with each other.

[0020] By adopting the technical scheme, the overturning motor drives the linkage gears to mesh and rotate, the power of the overturning motor is transmitted to the overturning column, the overturning column drives the overturning frame to automatically rotate between the mounting frames, the mechanical overturning of the large casting is realized, the efficiency of the mechanical processing of multiple surfaces of the casting is improved, and manual overturning operation is reduced.

[0021] Optionally, the surface of the mounting frame is further provided with a protective cover, the protective cover is arranged at the overturning motor and the overturning column, and the protective cover is fixedly connected with the surface of the mounting frame.

[0022] By adopting the technical scheme, the overturning motor and the overturning column are enclosed in the protective cover, the influence of dust, sundries or accidental collision generated in the processing process on the overturning motor and the overturning column is reduced, a safe operation environment is provided for the overturning motor and the overturning column, the normal operation of the overturning assembly is ensured, and the reliability and service life of the overturnable structure are improved.

[0023] In summary, the present application has the following technical effects:

[0024] 1. By setting the turnover assembly and clamping assembly, the turnover assembly includes two oppositely arranged U-shaped mounting frames and a U-shaped turnover frame rotatably arranged between the two mounting frames and composed of a mounting frame and two connecting frames, the surfaces of the two connecting frames away from each other are fixedly connected with a turnover column, the two mounting frames are provided with turnover holes with coinciding axes at corresponding positions and the turnover column is rotatably inserted into the turnover holes, the turnover column can rotate the turnover frame between the mounting frames, thereby driving the clamping assembly arranged on the mounting frame between the two connecting frames and the clamped large castings to overturn, realizing the machining of multiple surfaces of the large castings, and compared with manually overturning the large castings, the overturnable structure is more efficient, thereby improving the machining efficiency;

[0025] 2. By setting the sliding plate, connecting plate and clamping plate, the two clamping plates can be driven by the sliding plate to move closer to or away from each other between the mounting rods, thereby clamping the large castings placed therebetween, realizing the stable clamping of large castings of different sizes, facilitating subsequent rotary machining of the large castings, and providing reliable fixed support for the turnover frame to overturn the castings.

[0026] 3. By setting the turnover motor and linkage gear, the turnover motor can be used to drive the linkage gear to mesh and rotate, the power of the turnover motor is transmitted to the turnover column, the turnover column drives the turnover frame to automatically rotate between the mounting frames, realizing the mechanized overturning of the large castings, improving the efficiency of machining multiple surfaces of the castings, and reducing manual overturning operation. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the outer shape structure diagram of the present application;

[0028] Figure 2 is another angle structure diagram of the present application.

[0029] Marked with reference to the drawings: 1, turnover assembly; 11, mounting frame; 111, mounting column; 112, turnover hole; 113, turnover bearing; 12, turnover frame; 121, mounting frame; 1211, mounting rod; 1212, sliding groove; 122, connecting frame; 13, turnover column; 14, turnover motor; 15, linkage gear; 16, protective cover; 2, clamping assembly; 21, sliding plate; 22, connecting plate; 23, clamping plate; 231, top screw; 232, rubber pad; 24, reinforcing plate; 25, drive column; 26, lead screw; 27, drive motor. DETAILED DESCRIPTION

[0030] The present application will be further described in detail below with reference to the drawings.

[0031] The present application discloses a large castings overturnable structure, referring to Figure 1The reversible structure comprises a turnover assembly 1 and a clamping assembly 2 arranged on the turnover assembly 1, the turnover assembly 1 can drive the large castings to rotate after pouring, which is convenient for further machining of multiple surfaces or interiors of the large castings, compared with manually turning over the large castings, the turnover assembly 1 is more efficient, and the clamping assembly 2 can stably clamp the large castings in the turnover assembly 1, which is convenient for subsequent rotary machining of the large castings.

[0032] In combination with Figure 1 and Figure 2 , the turnover assembly 1 comprises two oppositely arranged mounting racks 11 and a turnover rack 12 rotatably arranged between the mounting racks 11, the mounting rack 11 is a U-shaped rack composed of square rods with the ends of the square rods fixed to each other, the two mounting racks 11 are oppositely arranged, and the U-shaped openings of the two mounting racks 11 face the same direction, and the corresponding square rods of the two mounting racks 11 are parallel to each other in the length direction. The mounting rack 11 is fixedly connected with a mounting column 111 at the end, the mounting column 111 is a cylinder, the axis of the mounting column 111 is perpendicular to the end face of the mounting rack 11, the mounting column 111 is matched with a mounting hole on an operation table (not shown in the figure), and the reversible structure can be arranged on the operation table through the mounting column 111.

[0033] In combination with Figure 1 and Figure 2 , the turnover rack 12 is composed of a mounting frame 121 and a connecting frame 122, the mounting frame 121 comprises two parallel mounting rods 1211 and square rods arranged between the two mounting rods 1211, the two square rods are respectively located at the two ends of the mounting rod 1211, and the two ends of the square rod are fixedly connected with the opposite side walls of the two mounting rods 1211, the connecting frame 122 is a U-shaped frame composed of square rods with the ends of the square rods fixed to each other, the connecting frame 122 is provided with two, the end face of the connecting frame 122 is fixedly connected with the surface end of the mounting frame 121, the two end faces of the connecting frame 122 are respectively fixedly connected with the end face of the same side wall of the two mounting rods 1211, the two connecting frames 122 are fixedly connected with the same side surface of the mounting frame 121 and are respectively located at the two ends of the mounting frame 121, and the U-shaped opening of the connecting frame 122 is perpendicular to the length direction of the mounting rod 1211.

[0034] In combination with Figure 1 and Figure 2The surfaces of the two connecting frames 122 away from each other are fixedly connected with turnover columns 13, the turnover columns 13 are cylindrical, the end surfaces of the turnover columns 13 are fixedly connected with the middle parts of the surfaces of the connecting frames 122 away from each other, the axis of the turnover columns 13 is perpendicular to the direction in which the U-shaped openings of the connecting frames 122 face, the turnover holes 112 are formed in the side walls of the square rods of the mounting frames 11 away from the mounting columns 111, the axes of the turnover holes 112 of the two mounting frames 11 coincide, the turnover bearings 113 are coaxially arranged in the turnover holes 112, the turnover bearings 113 are matched with the turnover columns 13 and the turnover columns 13 can be inserted into the turnover bearings 113, the two turnover columns 13 are fixedly connected with the two turnover bearings 113 respectively, the end parts of the turnover columns 13 away from the turnover frames 12 protrude from the surfaces of the two mounting frames 11 away from each other, and the turnover bearings 113 can reduce the friction between the turnover columns 13 and the mounting frames 11 and improve the service life of the turnover structure.

[0035] In combination Figure 1 and Figure 2 The surface of the mounting frame 11 on one side away from the turnover frame 12 is provided with a turnover motor 14, the turnover motor 14 is close to the turnover column 13, the axis of the output shaft of the turnover motor 14 is parallel to the axis of the turnover column 13, the output shaft of the turnover motor 14 faces away from the mounting frame 11, the end part of the wall of the output shaft of the turnover motor 14 and the end part of the wall of the turnover column 13 away from the turnover frame 12 are both sleeved with linkage gears 15, and the two linkage gears 15 are meshed with each other. Protective covers 16 are arranged at the turnover motor 14 and the turnover column 13, the protective cover 16 is a square box with an open side, the surface of the open end of the protective cover 16 is fixedly connected with the surface of the mounting frame 11 away from the turnover frame 12, and the protective cover 16 protects the linkage gears 15 and the turnover motor 14.

[0036] In combination Figure 1 and Figure 2 The clamping assembly 2 comprises two sliding plates 21 slidingly arranged between the two mounting rods 1211, a connecting plate 22 fixedly connected with the end part of the plate surface of the sliding plate 21, a clamping plate 23 arranged on the side of the connecting plate 22 away from the sliding plate 21, and a driving column 25 arranged on the side of the sliding plate 21 away from the connecting plate 22. The sliding plate 21 is a metal plate, the length direction of the sliding plate 21 is parallel to the length direction of the mounting rod 1211, the opposite side walls of the two mounting rods 1211 are both provided with sliding grooves 1212 in the form of strips along the length direction, the sliding plate 21 is matched with the sliding grooves 1212, and the two sides of the sliding plate 21 are slidingly arranged in the sliding grooves 1212. The connecting plate 22 is on the same side as the connecting frame 122, the plate surface of the connecting plate 22 is perpendicular to the plate surface of the sliding plate 21, the length direction of the connecting plate 22 is perpendicular to the length direction of the mounting rod 1211, the side wall of the connecting plate 22 is fixedly connected with the plate surface of the sliding plate 21, the end surface of the connecting plate 22 is arranged in a spaced manner with the mounting rod 1211, and the connecting plate 22 is located at the end of the plate surface of the sliding plate 21 away from the connecting frame 122 on the same side.

[0037] In combination Figure 1 and Figure 2The side wall of the clamping plate 23 is fixedly connected with the side wall of the connecting plate 22, the plate surface of the clamping plate 23 is flush with the plate surface of the connecting plate 22, the length direction of the clamping plate 23 is parallel to the length direction of the connecting plate 22, and the clamping plate 23 is arranged in a spaced mode between the mounting rods 1211. A plurality of jackscrews 231 are threadedly connected to the plate surface of the clamping plate 23, the axis of the jackscrew 231 is perpendicular to the plate surface of the clamping plate 23, the end of the jackscrew 231 penetrates from the side away from the two clamping plates 23, the end of the jackscrew 231 is located between the two clamping plates 23, and the plurality of jackscrews 231 are distributed in a rectangular mode on the plate surface of the clamping plate 23. A conical rubber pad 232 is threadedly sleeved at the end of the jackscrew 231, the distance between the rubber pad 232 and the plate surface of the clamping plate 23 can be adjusted by rotating the jackscrew 231, and the plurality of rubber pads 232 can be more closely attached to the surface of the large casting, so that the clamping is more stable. The rubber pad 232 can reduce the possibility of damaging the surface of the large casting.

[0038] In combination Figure 1 and Figure 2 , the side away from the two clamping plates 23 is obliquely provided with a reinforcing plate 24, one end of the reinforcing plate 24 is fixedly connected with the plate surface of the clamping plate 23, the other end is fixedly connected with the plate surface of the sliding plate 21, the reinforcing plate 24, the sliding plate 21 and the clamping plate form a triangle, so that the clamping of the clamping plate 23 on the large casting is more stable.

[0039] In combination Figure 1 and Figure 2 , the side wall of the driving column 25 is fixedly connected with the plate surface of the sliding plate 21 away from the connecting plate 22, the driving column 25 protrudes from the side wall of the mounting rod 1211 away from the clamping plate 23, and the length direction of the driving column 25 is parallel to the length direction of the clamping plate 23. The lead screw 26 is rotatably arranged on the side of the sliding plate 21 away from the clamping plate 23, the lead screw 26 is coaxially provided with two threads of the same length on the peripheral wall, the rotation directions of the threads at both ends are opposite, the lead screw 26 penetrates into the two driving columns 25 at both ends, the axis of the lead screw 26 is perpendicular to the plate surface of the clamping plate 23, and the two threads are threadedly connected with the two driving columns 25, respectively.

[0040] In combination Figure 1 and Figure 2 , the end of the side surface of the mounting frame 121 away from the connecting frame 122 is provided with a driving motor 27, the axis of the output shaft of the driving motor 27 is parallel to the axis of the lead screw 26, the end of the output shaft of the driving motor 27 is coaxially fixedly connected with the end of the lead screw 26, and the driving motor 27 does not contact the mounting frame 11 in the rotating process of the turnover frame 12. The driving motor 27 rotates the lead screw 26, the two clamping plates 23 are synchronously close to or away from each other through the driving column 25 and the sliding plate 21, and the large casting placed in the turnover frame 12 is clamped.

[0041] The embodiments are only illustrative of the present application, and are not intended to limit the present application, and those skilled in the art can make modifications to the embodiments without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A large castings reversible construction, characterized in that: The utility model provides a large -scale casting clamping device, including turning over subassembly (1) and setting up clamping subassembly (2) on turning over subassembly (1), turning over subassembly (1) includes two opposite setting U type mounting bracket (11) and the turning over frame (12) of setting between two mounting bracket (11), the turning over frame (12) is by mounting frame (121) and two connecting frame (122) are formed, turning over frame (12) is U type, clamping subassembly (2) sets up in two connecting frame (122) between mounting frame (121) on, and the surface of two connecting frame (122) is away from each other and is fixed with turning over column (13), and two mounting bracket (11) correspond position is set up with the turning over hole (112) of axis coincidence, and turning over column (13) rotates and enters turning over hole (112).

2. A large cast part reversible structure according to claim 1, characterized in that: The mounting frame (121) is composed of two mutually parallel mounting rods (1211) and a square rod connecting the ends of the two mounting rods (1211), the clamping assembly (2) includes two sliding plates (21) slidingly arranged between the two mounting rods (1211), a connecting plate (22) fixed to the surface of the sliding plate (21) and on the same side as the connecting frame (122), and a clamping plate (23) arranged on the side of the connecting plate (22) away from the sliding plate (21) and fixed to the connecting plate (22), the two clamping plates (23) can move closer to or away from each other to clamp the large casting.

3. A large cast part reversible structure according to claim 1, characterized in that: The turning over hole (112) is coaxially provided with a turning over bearing (113) inside, and the turning over bearing (113) is sleeved on the peripheral wall of the turning over column (13).

4. A large cast part reversible structure according to claim 2, wherein: The sliding plate (21) is fixed with a drive column (25) on the side away from the clamping plate (23), the length direction of the drive column (25) is perpendicular to the length direction of the mounting frame (121), the sliding plate (21) is rotatably provided with a lead screw (26) on the side away from the clamping plate (23), the lead screw (26) is rotatably arranged in the drive column (25), the lead screw (26) is threadedly connected with the drive column (25), and the mounting frame (121) is provided with a drive motor (27) at one end of the surface away from the connecting frame (122), the drive motor (27) is coaxially fixed with the lead screw (26).

5. A large cast part reversible structure according to claim 4, characterized in that: The side away from each other of the two clamping plates (23) is obliquely provided with a reinforcing plate (24), one end of the reinforcing plate (24) is fixed to the surface of the clamping plate (23), and the other end is fixed to the surface of the sliding plate (21).

6. A large cast part reversible structure according to claim 2, wherein: The opposite side walls of the two mounting rods (1211) are provided with sliding grooves (1212), the sliding plate (21) is matched with the sliding grooves (1212), and the side wall of the sliding plate (21) is slidingly arranged in the sliding groove (1212).

7. A large cast part reversible structure according to claim 1, characterized in that: The surface of one mounting bracket (11) away from the other mounting bracket (11) is provided with a turning motor (14), the output shaft of the turning motor (14) is adjacent to and spaced apart from the turning column (13), the output shaft axis of the turning motor (14) is parallel to the axis of the turning column (13), the peripheral wall end of the output shaft of the turning motor (14) and the peripheral wall end of the turning column (13) are sleeved with linkage gears (15), and the linkage gears (15) are meshed with each other.

8. A large cast part reversible structure according to claim 7, characterized in that: The surface of the mounting frame (11) is further provided with a protective cover (16) covering the turning motor (14) and the turning column (13), and the protective cover (16) is fixedly connected with the surface of the mounting frame (11).

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