Polishing equipment for high-performance ductile iron casting

Abstract

The utility model discloses polishing equipment for a high-performance ductile iron casting. The polishing equipment comprises a workbench. When a ductile iron casting is polished, the ductile iron casting to be polished is placed on the top of the placing frame, the rear side of the ductile iron casting makes contact with the front side of the positioning plate, the power air cylinder drives the connecting plate to move towards the rear side, the connecting plate drives the U-shaped power frame to move towards the rear side, and the U-shaped power frame drives the positioning fixing block to move towards the inner side through the movable groove. The fixing block drives the sliding block to move towards the inner side along the limiting sliding rail, when the positioning fixing block makes contact with the outer side of the ductile iron casting, positioning and fixing of the ductile iron casting are completed, the grinding motor is driven by the telescopic air cylinder to move downwards to a proper position, and then the grinding motor is started to drive the grinding disc to rotate so that the ductile iron casting can be ground. And through cooperative use of the power mechanism and the positioning and fixing mechanism, the ductile iron casting can be quickly positioned and fixed, and the machining time of the ductile iron casting is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of nodular iron casting processing, and particularly relates to a grinding device for high-performance nodular iron castings. Background Technique

[0002] Nodular iron castings, full name ductile iron castings, are parts or products manufactured by casting process using ductile iron material; ductile iron is a kind of cast iron material with high strength, toughness and wear resistance, and its comprehensive performance is superior to that of ordinary gray cast iron; nodular iron castings are widely used in many fields such as machinery manufacturing, automotive industry, agricultural machinery, construction, etc., such as engine cylinder blocks, crankshafts, gears, valves, pipe fittings, etc.; the advantages of nodular iron castings include good mechanical properties, good casting performance, relatively low cost, etc.; however, it also has some limitations, such as a relatively large shrinkage tendency, which may cause defects such as shrinkage cavities and porosity, and corresponding process measures need to be taken during casting and subsequent processing to control. And the patent publication number is CN216633860U, which discloses a surface grinding device for ADI nodular iron castings, including a workbench. Four corners of the lower end of the workbench are fixedly installed with support legs. A drawer is movably installed in the middle of the lower end of the workbench. The left part of the front end of the workbench is fixedly installed with a controller. An adjusting device is fixedly installed in the middle of the upper end of the workbench. A longitudinal chute is opened on the upper end of the workbench. The lower part of the adjusting device is located in the longitudinal chute. Four corners of the upper end of the adjusting device are fixedly installed with support columns. The upper ends of the four support columns are fixedly connected together to form a support top plate. A lifting device is fixedly installed in the middle of the upper end of the support top plate. The lower part of the lifting device is located among the four support columns. The surface grinding device for ADI nodular iron castings of the utility model has stable clamping, can clamp iron castings of different sizes, can automatically adjust the height of the grinding machine up and down, improves work efficiency, and is suitable for the use of surface grinding of ADI nodular iron castings.

[0003] The above-mentioned prior art solution has the following defects: when grinding nodular iron castings, the operator rotates the knob to drive the screw to move inwards, and the screw drives the clamping block to move inwards to clamp and fix the nodular iron casting, and then drives the grinding disc through the grinding motor to grind the surface of the nodular iron casting. In the process of clamping and fixing the nodular iron casting, it is time-consuming and laborious, which brings inconvenience to the processing of nodular iron castings, thereby increasing the processing time of nodular iron castings. Content of the Utility Model

[0004] To solve the problems raised in the above-mentioned background technology, the purpose of the present utility model is to provide a grinding device for high-performance ductile iron castings, which has the advantage of facilitating the processing of ductile iron castings. When grinding ductile iron castings, the operator rotates the knob to drive the screw to move inward, and the screw drives the clamping block to move inward to clamp and fix the ductile iron casting. Then, the grinding motor drives the grinding disc to grind the surface of the ductile iron casting. During the process of clamping and fixing the ductile iron casting, it is time-consuming and laborious, which brings inconvenience to the processing of ductile iron castings, thus increasing the processing time of ductile iron castings.

[0005] To achieve the above object, the present utility model provides the following technical solutions: A grinding device for high-performance ductile iron castings, including a workbench, a support frame is fixedly connected to the rear side of the top of the workbench, a telescopic cylinder is fixedly installed on the top of the support frame, a grinding motor is fixedly installed at the bottom of the telescopic cylinder, a grinding disc is fixedly connected to the bottom of the grinding motor, a fixing plate is fixedly connected to the top of the workbench, a placement rack is fixedly installed on the top of the fixing plate, a positioning plate is fixedly connected to the rear side of the top of the fixing plate, a power mechanism is arranged on the front side of the fixing plate, and a positioning and fixing mechanism is arranged on the outside of the power mechanism;

[0006] The power mechanism is used to drive the positioning and fixing mechanism to move;

[0007] The positioning and fixing mechanism is used to position and fix the ductile iron casting.

[0008] Preferably, the power mechanism includes a power cylinder and a base. The outside of the power cylinder is fixedly connected to the inside of the base, the bottom of the base is fixedly connected to the top of the fixing plate, the output end of the power cylinder is fixedly connected to a connecting plate, and a U-shaped power frame is fixedly connected to the inside of the connecting plate.

[0009] Preferably, the positioning and fixing mechanism includes a positioning and fixing block and a slider. The bottom of the positioning and fixing block is fixedly connected to the top of the slider, the bottom of the slider is slidably connected to a limit slide rail, the bottom of the limit slide rail is fixedly connected to the top of the fixing plate, a movable groove is opened on the top of the positioning and fixing block, and the inside of the movable groove is in contact with the rear side of the surface of the U-shaped power frame.

[0010] Preferably, a reinforcing plate is fixedly connected to the rear side of the positioning plate, and the bottom of the reinforcing plate is fixedly connected to the top of the fixing plate.

[0011] Preferably, a sponge pad is fixedly connected to the front side of the positioning plate, and the front side of the sponge pad is in contact with the outside of the ductile iron casting.

[0012] Preferably, a reinforcing sleeve is fixedly connected to the rear side of the surface of the output end of the power cylinder, and the rear side of the reinforcing sleeve is fixedly connected to the front side of the connecting plate.

[0013] Preferably, a pressing block is fixedly installed on the rear side of the U-shaped power frame, and the rear side of the pressing block contacts the outer side of the nodular cast iron casting.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. When grinding the nodular cast iron casting, the nodular cast iron casting to be ground is placed on the top of the placement rack, the rear side of the nodular cast iron casting contacts the front side of the positioning plate, the power cylinder is started, the power cylinder drives the connecting plate to move backward, the connecting plate drives the U-shaped power frame to move backward, the U-shaped power frame drives the positioning and fixing block to move inward through the movable groove, the fixing block drives the slider to move inward along the limit slide rail. When the positioning and fixing block contacts the outer side of the nodular cast iron casting, the positioning and fixing of the nodular cast iron casting is completed. After the telescopic cylinder drives the grinding motor to move downward to a suitable position, the grinding motor is started to drive the grinding disc to rotate, and then the nodular cast iron casting can be ground. Thus, it has the advantage of being convenient for processing the nodular cast iron casting. Through the combined use of the power mechanism and the positioning and fixing mechanism, the nodular cast iron casting can be quickly positioned and fixed, reducing the processing time of the nodular cast iron casting.

[0016] 2. By setting the power cylinder, the base, the connecting plate and the U-shaped power frame, after the power cylinder is started, it can drive the connecting plate to move back and forth, the connecting plate drives the U-shaped power frame to move back and forth, and the U-shaped power frame can drive the positioning and fixing block to move left and right through the movable groove, realizing the function of positioning and fixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a three-dimensional view of the fixing plate of the present utility model;

[0019] Figure 3 is a three-dimensional view of the U-shaped power frame of the present utility model;

[0020] Figure 4 is a three-dimensional view of the positioning and fixing block of the present utility model.

[0021] In the figure: 1, workbench; 2, support frame; 3, telescopic cylinder; 4, grinding motor; 5, grinding disc; 6, fixing plate; 7, placement rack; 8, positioning plate; 9, power mechanism; 91, power cylinder; 92, base; 93, connecting plate; 94, U-shaped power frame; 10, positioning and fixing mechanism; 101, positioning and fixing block; 102, slider; 103, limiting slide rail; 104, movable groove; 11, reinforcing plate; 12, sponge pad; 13, reinforcing sleeve; 14, pressing block. Specific implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] As Figures 1 to 4 shown, a grinding device for high-performance ductile iron castings provided by the present invention includes a workbench 1. A support frame 2 is fixedly connected to the rear side of the top of the workbench 1. A telescopic cylinder 3 is fixedly installed on the top of the support frame 2. A grinding motor 4 is fixedly installed at the bottom of the telescopic cylinder 3. A grinding disc 5 is fixedly connected to the bottom of the grinding motor 4. A fixing plate 6 is fixedly connected to the top of the workbench 1. A placement rack 7 is fixedly installed on the top of the fixing plate 6. A positioning plate 8 is fixedly connected to the rear side of the top of the fixing plate 6. A power mechanism 9 is arranged on the front side of the fixing plate 6. A positioning and fixing mechanism 10 is arranged on the outside of the power mechanism 9;

[0024] The power mechanism 9 is used to drive the positioning and fixing mechanism 10 to move;

[0025] The positioning and fixing mechanism 10 is used to position and fix the ductile iron casting.

[0026] Referring to Figure 3 , the power mechanism 9 includes a power cylinder 91 and a base 92. The outside of the power cylinder 91 is fixedly connected to the inside of the base 92. The bottom of the base 92 is fixedly connected to the top of the fixing plate 6. The output end of the power cylinder 91 is fixedly connected to a connecting plate 93. The inside of the connecting plate 93 is fixedly connected to a U-shaped power frame 94.

[0027] As a technical optimization scheme of the present invention, by setting the power cylinder 91, the base 92, the connecting plate 93 and the U-shaped power frame 94, the power cylinder 91 can drive the connecting plate 93 to move back and forth after starting. The connecting plate 93 drives the U-shaped power frame 94 to move back and forth. The U-shaped power frame 94 can drive the positioning and fixing block 101 to move left and right through the movable groove 104, realizing the function of positioning and fixing.

[0028] Reference Figure 4 , the positioning and fixing mechanism 10 includes a positioning and fixing block 101 and a slider 102. The bottom of the positioning and fixing block 101 is fixedly connected to the top of the slider 102. The bottom of the slider 102 is slidably connected to a limit slide rail 103. The bottom of the limit slide rail 103 is fixedly connected to the top of the fixing plate 6. An activity groove 104 is formed in the top of the positioning and fixing block 101, and the inner side of the activity groove 104 is in contact with the rear side of the surface of the U-shaped power frame 94.

[0029] As a technical optimization scheme of the present invention, by providing the positioning and fixing block 101, the slider 102, the limit slide rail 103 and the activity groove 104, the slider 102 can drive the positioning and fixing block 101 to slide, and the limit slide rail 103 can limit and stabilize the positioning and fixing block 101 driven by the slider 102 during sliding, achieving the effect of stable movement of the positioning and fixing block 101.

[0030] Reference Figure 2 , a reinforcing plate 11 is fixedly connected to the rear side of the positioning plate 8, and the bottom of the reinforcing plate 11 is fixedly connected to the top of the fixing plate 6.

[0031] As a technical optimization scheme of the present invention, by providing the reinforcing plate 11, the positioning plate 8 can be stabilized, avoiding the situation of shaking of the positioning plate 8, and achieving the effect of stabilizing the positioning plate 8.

[0032] Reference Figure 3 , a sponge pad 12 is fixedly connected to the front side of the positioning plate 8, and the front side of the sponge pad 12 is in contact with the outer side of the nodular cast iron casting.

[0033] As a technical optimization scheme of the present invention, by providing the sponge pad 12, the outer side of the nodular cast iron casting can be protected, so that the nodular cast iron casting will not be worn during positioning and fixing.

[0034] Reference Figure 3 , a reinforcing sleeve 13 is fixedly connected to the rear side of the surface of the output end of the power cylinder 91, and the rear side of the reinforcing sleeve 13 is fixedly connected to the front side of the connecting plate 93.

[0035] As a technical optimization scheme of the present invention, by providing the reinforcing sleeve 13, the contact area can be increased when the power cylinder 91 pushes the connecting plate 93, so that the power cylinder 91 will not have difficulty in pushing when driving the U-shaped power frame 94.

[0036] Reference Figure 3 , a tightening block 14 is fixedly installed on the rear side of the U-shaped power frame 94, and the rear side of the tightening block 14 is in contact with the outer side of the nodular cast iron casting.

[0037] As a technical optimization solution of the present utility model, by providing the pressing block 14, the pressing force can be increased when positioning and fixing the nodular cast iron casting, effectively preventing the nodular cast iron casting from shifting during grinding.

[0038] The working principle and usage process of the present utility model: During use, when grinding the nodular cast iron casting, place the nodular cast iron casting to be ground on the top of the placement rack 7. The rear side of the nodular cast iron casting contacts the front side of the positioning plate 8. Start the power cylinder 91. The power cylinder 91 drives the connecting plate 93 to move backward. The connecting plate 93 drives the U-shaped power frame 94 to move backward. The U-shaped power frame 94 drives the positioning and fixing block 101 to move inward through the movable slot 104. The fixing block 101 drives the slider 102 to move inward along the limit slide rail 103. When the positioning and fixing block 101 contacts the outer side of the nodular cast iron casting, the positioning and fixing of the nodular cast iron casting is completed. After driving the grinding motor 4 to move downward to a suitable position by the telescopic cylinder 3, start the grinding motor 4 to drive the grinding disc 5 to rotate, and then the nodular cast iron casting can be ground, thus having the advantage of being convenient for processing the nodular cast iron casting.

[0039] In summary: For this grinding device for high-performance nodular cast iron castings, through the combined use of the workbench 1, the support frame 2, the telescopic cylinder 3, the grinding motor 4, the grinding disc 5, the fixing plate 6, the placement rack 7, the positioning plate 8, the power mechanism 9 and the positioning and fixing mechanism 10, it solves the problem that when grinding the nodular cast iron casting, the operator rotates the knob to drive the screw to move inward, the screw drives the clamping block to move inward to clamp and fix the nodular cast iron casting, and then the grinding motor drives the grinding disc to grind the surface of the nodular cast iron casting. During the process of clamping and fixing the nodular cast iron casting, it is time-consuming and laborious, which brings inconvenience to the processing of the nodular cast iron casting, thereby increasing the processing time of the nodular cast iron casting.

[0040] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A grinding device for high-performance ductile iron castings, comprising a workbench (1), characterized in that: The rear side of the top of the workbench (1) is fixedly connected to a support frame (2), the top of the support frame (2) is fixedly installed with a telescopic cylinder (3), the bottom of the telescopic cylinder (3) is fixedly installed with a grinding motor (4), the bottom of the grinding motor (4) is fixedly connected with a grinding disc (5), the top of the workbench (1) is fixedly connected to a fixing plate (6), the top of the fixing plate (6) is fixedly installed with a placing frame (7), the rear side of the top of the fixing plate (6) is fixedly connected with a positioning plate (8), the front side of the fixing plate (6) is provided with a power mechanism (9), and the outer side of the power mechanism (9) is provided with a positioning and fixing mechanism (10); The power mechanism (9) is used to drive the positioning and fixing mechanism (10) to move; The positioning and fixing mechanism (10) is used to position and fix the ductile iron casting.

2. A high performance ductile iron casting grinding device according to claim 1, characterized in that: The power mechanism (9) comprises a power cylinder (91) and a base (92); the outer side of the power cylinder (91) is fixedly connected to the inner side of the base (92); the bottom of the base (92) is fixedly connected to the top of the fixed plate (6); the output end of the power cylinder (91) is fixedly connected to a connecting plate (93); and the inner side of the connecting plate (93) is fixedly connected to a U-shaped power frame (94).

3. A high performance ductile iron casting grinding device according to claim 2, characterized in that: The positioning and fixing mechanism (10) comprises a positioning and fixing block (101) and a sliding block (102); the bottom of the positioning and fixing block (101) is fixedly connected to the top of the sliding block (102); the bottom of the sliding block (102) is slidably connected to a limiting slide rail (103); the bottom of the limiting slide rail (103) is fixedly connected to the top of a fixing plate (6); a movable groove (104) is provided on the top of the positioning and fixing block (101); the inner side of the movable groove (104) contacts the rear side of the surface of the U-shaped power frame (94).

4. The high performance ductile iron casting grinding device according to claim 1, characterized in that: A reinforcing plate (11) is fixedly connected to the rear side of the positioning plate (8), and the bottom of the reinforcing plate (11) is fixedly connected to the top of the fixing plate (6).

5. The grinding equipment for high performance ductile iron castings according to claim 1, characterized in that: A sponge pad (12) is fixedly connected to the front side of the positioning plate (8), and the front side of the sponge pad (12) is in contact with the outer side of the ductile iron casting.

6. A high performance ductile iron casting grinding device according to claim 2, characterized in that: A reinforcing sleeve (13) is fixedly connected to the rear side of the output end surface of the power cylinder (91), and the rear side of the reinforcing sleeve (13) is fixedly connected to the front side of the connecting plate (93).

7. The grinding device for high-performance ductile iron castings according to claim 2, characterized in that: A tightening block (14) is fixedly mounted on the rear side of the U-shaped power frame (94), and the rear side of the tightening block (14) is in contact with the outer side of the ductile iron casting.

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