Spherical polishing device for spheroidal graphite casting production

Abstract

The utility model is suitable for the technical field of polishing devices, and provides a spherical surface polishing device for spheroidal graphite casting production, which comprises a bottom plate, a support is installed on the surface of the bottom plate, and a fixing sleeve is installed on the top of the support. According to the spherical surface polishing device for production of the spheroidal graphite castings, all the assemblies are arranged to be used in cooperation, polishing work of the spherical castings can be easy and save labor, the polishing precision is high, the horizontal position and the vertical position of the polishing disc are adjusted through the first screw rod and the second screw rod respectively, and the polishing efficiency is improved. According to the polishing device, the polishing device is more convenient to use and higher in applicability, by arranging the positioning mechanism and the four sets of polishing discs, when castings of different sizes are polished, the polishing discs can be replaced more rapidly and conveniently, when the spherical castings are polished, the outer frame can effectively prevent chippings from splashing outwards, the safety of polishing work is improved, and the polishing efficiency is improved. And meanwhile, the problem that chippings are difficult to clean due to scattering is also avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of polishing devices, in particular to a spherical surface polishing device for producing ductile iron castings. Background Art

[0002] Ductile iron castings are made by heating the castings to a certain temperature, quenching and then tempering. The original spherical graphite shape remains unchanged, and the treated castings have high hardness and certain toughness, retaining the lubricating properties of graphite, and improving wear resistance. Ductile iron castings are used as shaft parts, such as crankshafts and connecting rods of diesel engines, which require comprehensive mechanical properties with high strength and good toughness. Ductile iron castings need to be polished after production.

[0003] At present, there are still some problems in the polishing of spherical castings. First, due to the different types of castings during production, the sizes of castings will be different, so the corresponding polishing knives need to be replaced during polishing. However, the polishing knives of the current polishing devices are generally fixed by screws, which results in a lot of time spent on replacing the polishing knives, and long-term twisting will cause the screws to loosen, thereby affecting the polishing accuracy. Utility Model Content

[0004] The utility model provides a spherical surface polishing device for producing ductile iron castings, aiming to solve the problem that it is troublesome to replace the polishing blade of the current polishing device.

[0005] The utility model is implemented as follows: a spherical polishing device for producing ductile iron castings comprises a base plate; a bracket is installed on the surface of the base plate, a fixing sleeve is installed on the top of the bracket, a rotating shaft is rotatably installed on the inner side of the fixing sleeve, the right end of the rotating shaft is set to be rectangular and plugged with the spherical casting, a fixing frame is installed on the upper end of the base plate, a motor is installed on the top of the fixing frame, the output shaft of the motor is connected to the shaft end of the rotating shaft, a supporting plate is installed on the top of the fixing sleeve, a sliding plate and a first screw are installed on the top of the supporting plate, a hanging plate is connected to the right end of the sliding plate, a positioning plate and a second screw are connected to the lower side of the hanging plate, a positioning mechanism is connected to the lower side of the positioning plate, a connecting column is installed on the lower side of the positioning mechanism, a fixing disk is connected to the lower side of the connecting column, and a polishing disk is installed on the lower side of the fixing disk.

[0006] Preferably, the sliding plate is slidably installed on the top of the supporting plate, the first screw is rotatably installed on the top of the supporting plate and is threadedly connected to the sliding plate, the positioning plate is slidably installed on the lower side of the hanging plate, the second screw is rotatably installed on the top of the hanging plate and is threadedly connected to the positioning plate, and the sliding plate and the positioning plate are both configured to be rectangular.

[0007] Preferably, the positioning mechanism includes a fixed frame, a pull rod, a block, a pull ring and a spring. The pull rod is slidably inserted into the side of the fixed frame, the inner and outer ends of the pull rod are respectively connected to the block and the pull ring, the spring is sleeved on the outside of the pull rod, the connecting column is rotatably installed on the lower side of the fixed frame, and the side of the fixed frame is provided with a slot that matches the block.

[0008] Preferably, four groups of polishing discs are installed on the lower side of the fixed disc, the polishing discs are distributed in a circular array, the four groups of polishing discs are of different sizes, and four groups of slots are opened in a circular array on the surface of the connecting column.

[0009] Preferably, the polishing disc comprises an outer frame and a polishing knife, the outer frame is configured to be hemispherical, and the polishing knife is configured to be arc-shaped and located at the top end of the inner wall of the outer frame.

[0010] Preferably, a waste box is installed at the upper end of the bottom plate, and the waste box is located below the side of the rotating shaft.

[0011] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0012] The device can make the polishing of spherical castings easy and labor-saving by setting various components for coordinated use, and the polishing precision is high. The horizontal and vertical positions of the polishing discs are adjusted respectively by setting the first screw and the second screw, so that the polishing device can be more convenient to use and has higher applicability. The positioning mechanism and four sets of polishing discs can make the replacement of polishing discs faster and more convenient when polishing castings of different sizes. When polishing spherical castings, the outer frame can effectively prevent debris from splashing outward, thereby improving the safety of the polishing work and also avoiding the problem of debris scattering and being difficult to clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the structure distribution of the polishing disc of the utility model;

[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the positioning mechanism of the utility model;

[0016] Figure 4 It is a schematic diagram of the cross-sectional structure of the polishing disc of the utility model;

[0017] In the figure: 1, bottom plate; 2, bracket; 3, fixing sleeve; 4, rotating shaft; 5, fixing frame; 6, motor; 7, supporting plate; 8, sliding plate; 9, first screw; 10, hanging plate; 11, positioning plate; 12, second screw; 13, positioning mechanism; 131, fixing frame; 132, pull rod; 133, block; 134, pull ring; 135, spring; 14, connecting column; 15, fixing disk; 16, polishing disk; 161, outer frame; 162, polishing knife; 17, waste box. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] The utility model embodiment provides a spherical surface polishing device for producing ductile iron castings, such as Figure 1-4As shown, it includes a bottom plate 1, a bracket 2 is installed on the surface of the bottom plate 1, a fixing sleeve 3 is installed on the top of the bracket 2, a rotating shaft 4 is rotatably installed on the inner side of the fixing sleeve 3, the right end of the rotating shaft 4 is set to be rectangular and plugged with the spherical casting, a fixing frame 5 is installed on the upper end of the bottom plate 1, a motor 6 is installed on the top of the fixing frame 5, the output shaft of the motor 6 is connected to the shaft end of the rotating shaft 4, a supporting plate 7 is installed on the top of the fixing sleeve 3, a sliding plate 8 and a first screw 9 are installed on the top of the supporting plate 7, a hanging plate 10 is connected to the right end of the sliding plate 8, and a positioning plate 11 and a second screw are connected to the lower side of the hanging plate 10. The rod 12 and the positioning plate 11 are connected to a positioning mechanism 13 at the lower side, a connecting column 14 is installed at the lower side of the positioning mechanism 13, a fixing plate 15 is connected to the lower side of the connecting column 14, and a polishing plate 16 is installed at the lower side of the fixing plate 15. When the device is used, the casting to be polished can be sleeved on the right end of the rotating shaft 4, and then the motor 6 is started. The motor 6 drives the spherical casting to rotate through the rotating shaft 4. At this time, the polishing plate 16 fits the surface of the spherical casting and polishes it. The device can make the polishing work of the spherical casting easy and labor-saving by setting various components for use in combination, and the polishing accuracy is high.

[0021] The sliding plate 8 is slidably installed on the top of the supporting plate 7, the first screw 9 is rotatably installed on the top of the supporting plate 7 and is threadedly connected to the sliding plate 8, the positioning plate 11 is slidably installed on the lower side of the hanging plate 10, the second screw 12 is rotatably installed on the top of the hanging plate 10 and is threadedly connected to the positioning plate 11, the sliding plate 8 and the positioning plate 11 are both set to be rectangular, by providing the first screw 9, the first screw 9 can be rotated to push the sliding plate 8 to slide horizontally, thereby the horizontal position of the polishing disk 16 can be adjusted, by providing the second screw 12, the second screw 12 can be rotated to push the positioning plate 11 to slide up and down, and the height of the polishing disk 16 can be adjusted through this setting, thereby making the polishing device more convenient to use and more applicable.

[0022] The positioning mechanism 13 includes a fixed frame 131, a pull rod 132, a block 133, a pull ring 134 and a spring 135. The pull rod 132 is slidably inserted into the side of the fixed frame 131. The inner and outer ends of the pull rod 132 are respectively connected to the block 133 and the pull ring 134. The spring 135 is sleeved on the outer side of the pull rod 132. The connecting column 14 is rotatably installed on the lower side of the fixed frame 131. The side of the fixed frame 131 is provided with a slot that is compatible with the block 133. By providing the positioning mechanism 13, the positioning mechanism 13 positions the connecting column 14 through the block 133 and the spring 135. The pull ring 134 can be pulled to pull the block 133 out and insert it into the slot of the connecting column 14, so that different polishing discs 16 can be replaced.

[0023] Four groups of polishing discs 16 are installed on the lower side of the fixed disc 15. The polishing discs 16 are distributed in a circular array. The four groups of polishing discs 16 are of different sizes. Four groups of slots are opened in a circular array on the surface of the connecting column 14. By setting four groups of polishing discs 16 of different sizes, spherical castings of different sizes can be processed.

[0024] The polishing disc 16 includes an outer frame 161 and a polishing knife 162. The outer frame 161 is set to be hemispherical, and the polishing knife 162 is set to be arc-shaped and located at the top of the inner wall of the outer frame 161. The polishing disc 16 consists of the outer frame 161 and the polishing knife 162. When the spherical casting is polished, the outer frame 161 can effectively prevent debris from splashing outward, thereby improving the safety of the polishing work, and also avoiding the problem of debris scattering and being difficult to clean.

[0025] A waste box 17 is installed at the upper end of the base plate 1, and the waste box 17 is located at the lower side of the rotating shaft 4. By providing the waste box 17, the debris generated by the polishing of the spherical casting falls into the waste box 17 from the lower side of the outer frame 161, thereby realizing centralized cleaning of the debris.

[0026] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0027] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0028] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0029] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A spherical surface polishing device for producing ductile iron castings, characterized in that: The invention comprises a bottom plate (1), wherein a bracket (2) is installed on the surface of the bottom plate (1), a fixing sleeve (3) is installed on the top of the bracket (2), a rotating shaft (4) is rotatably installed on the inner side of the fixing sleeve (3), the right end of the rotating shaft (4) is arranged in a rectangular shape and is plugged into a spherical casting, a fixing frame (5) is installed on the upper end of the bottom plate (1), a motor (6) is installed on the top of the fixing frame (5), the output shaft of the motor (6) is connected to the shaft end of the rotating shaft (4), and a supporting plate (7) is installed on the top of the fixing sleeve (3). A sliding plate (8) and a first screw rod (9) are installed on the top of the support plate (7); a hanging plate (10) is connected to the right end of the sliding plate (8); a positioning plate (11) and a second screw rod (12) are connected to the lower side of the hanging plate (10); a positioning mechanism (13) is connected to the lower side of the positioning plate (11); a connecting column (14) is installed on the lower side of the positioning mechanism (13); a fixing plate (15) is connected to the lower side of the connecting column (14); a polishing plate (16) is installed on the lower side of the fixing plate (15).

2. A spherical surface polishing device for producing ductile iron castings as claimed in claim 1, characterized in that: The sliding plate (8) is slidably mounted on the top of the supporting plate (7), the first screw rod (9) is rotatably mounted on the top of the supporting plate (7) and is threadedly connected to the sliding plate (8), the positioning plate (11) is slidably mounted on the lower side of the hanging plate (10), the second screw rod (12) is rotatably mounted on the top of the hanging plate (10) and is threadedly connected to the positioning plate (11), and the sliding plate (8) and the positioning plate (11) are both configured to be rectangular.

3. A spherical surface polishing device for producing ductile iron castings as claimed in claim 1, characterized in that: The positioning mechanism (13) comprises a fixed frame (131), a pull rod (132), a block (133), a pull ring (134) and a spring (135); the pull rod (132) is slidably inserted into the side of the fixed frame (131); the inner and outer ends of the pull rod (132) are respectively connected to the block (133) and the pull ring (134); the spring (135) is sleeved on the outer side of the pull rod (132); the connecting column (14) is rotatably mounted on the lower side of the fixed frame (131); and a slot matching the block (133) is provided on the side of the fixed frame (131).

4. A spherical surface polishing device for producing ductile iron castings as claimed in claim 3, characterized in that: Four groups of polishing discs (16) are installed on the lower side of the fixed disc (15), and the polishing discs (16) are distributed in a circular array. The four groups of polishing discs (16) are of different sizes. The surface of the connecting column (14) is provided with four groups of slots in a circular array.

5. A spherical surface polishing device for producing ductile iron castings as claimed in claim 1, characterized in that: The polishing disc (16) comprises an outer frame (161) and a polishing knife (162); the outer frame (161) is arranged in a hemispherical shape; the polishing knife (162) is arranged in an arc shape and is located at the top end of the inner wall of the outer frame (161).

6. A spherical surface polishing device for producing ductile iron castings as claimed in claim 1, characterized in that: A waste box (17) is installed at the upper end of the base plate (1), and the waste box (17) is located below the rotating shaft (4).

Images