Metal valve casting inner circle grinding device

Abstract

The utility model relates to the technical field of inner circle grinding, and discloses a metal valve casting inner circle grinding device which is characterized in that a grinding frame is fixedly installed on the top side of a workbench, a motor is fixedly installed on the top side of the grinding frame, a first electric telescopic rod is fixedly installed on the motor, and a sand disc is fixedly installed on the first electric telescopic rod through a fixing bolt; casting fixing mechanisms are fixedly mounted on the left side and the right side in the grinding frame, and dust suction openings are formed in the left side and the right side of the bottom face of the workbench. Firstly, a bolt of a casting fixing mechanism is unscrewed, the casting fixing mechanism is moved to one side, a second electric telescopic rod is started to fix a casting, the casting is moved to the position below a grinding wheel after being fixed, the fixing bolt is unscrewed according to the size of the casting to adjust a sand disc, and a motor is started to grind the casting after the sand disc is adjusted to a proper position; and meanwhile, a fan is started to conduct dust collection and cleaning on grinding chippings generated during machining, and the situation that dust or chippings generated during machining fly to cause potential safety hazards to machining personnel is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inner circle polishing, specifically to a metal valve casting inner circle polishing device BACKGROUND

[0002] Metal valve casting is an important equipment component for controlling fluid, has multiple structures and material selection and is widely applied, ensures the normal operation of the pipeline system, needs machine to polish the inner circle after casting production is completed and uses.

[0003] The inner wall of metal valve casting needs to be polished, the size of the part that can be polished when the polishing device is used is relatively fixed, the fixing and taking of the casting are relatively laborious, the processing personnel are not convenient to operate, and the processing efficiency is reduced. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a metal valve casting inner circle polishing device to solve the problems in the background art.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: a metal valve casting inner circle polishing device, the workbench top side is fixedly installed with polishing frame, the polishing frame top side is fixedly installed with motor, the motor is fixedly installed with electric telescopic rod no.

[0008] Preferably, the casting fixing mechanism comprises a moving plate and a fixed plate, one side of the moving plate close to the polishing frame is provided with a sliding block, the other side of the moving plate away from the polishing frame is fixedly installed with an electric telescopic rod no.

[0009] Preferably, the fixed mechanism moving groove is the structure of front and rear penetration.

[0010] Preferably, the sand disc is symmetrically provided with two on the left and right sides of the electric telescopic rod one, and the two sand discs are fixedly connected with the movable end of the electric telescopic rod one through a plurality of equally spaced fixing bolts.

[0011] Preferably, the telescopic end of the electric telescopic rod one is provided with a plurality of through holes equally arranged on the telescopic end.

[0012] Preferably, the one side of the push plate away from the telescopic end is attached with a layer of rubber anti-skid material.

[0013] Compared with the prior art, the metal valve casting inner circle polishing device has the following beneficial effects:

[0014] 1. The metal valve casting inner circle polishing device, firstly, the bolts of the casting fixing mechanism are loosened, the casting fixing mechanism is moved to one side to fix the casting, the casting fixing mechanism which can be moved in position is more convenient for the installation of the casting, and the casting can be fixed or taken very labor-saving in use, after the casting is placed down, the electric telescopic rod two is started to fix the casting, the electric telescopic rods two on the two sides will tightly fix the casting due to the relative pushing force, after processing is completed, the electric telescopic rod two is started again to retract, the casting is loosened, and the taking is convenient, meanwhile, the processing efficiency is improved, after the casting is fixed, the casting is moved to below the grinding wheel, the casting fixing mechanism is fixed, the sand disc is adjusted according to the size of the casting by loosening the fixing bolts, the electric telescopic rod one is started to lower the sand disc after adjustment, the motor is started to start polishing the casting after the sand disc is adjusted to the appropriate position;

[0015] 2. The metal valve casting inner circle polishing device, the fan is started to clean the polishing debris generated during processing, in some work scenes with more dust or debris, too much dust suction can cause a series of diseases, the fan is started to clean, which can reduce the dust or debris flying during processing to cause hidden troubles to the health of the processing personnel, and the safety of the polishing device as a whole is effectively improved, after polishing is completed, the casting of the casting fixing mechanism is loosened, the casting fixing mechanism is moved, the casting is taken down, the processing situation is checked, the casting which needs to be processed is replaced, after a plurality of castings are processed or used for a long time, the filter screen can be checked and taken out from the front of the polishing device for cleaning, so that the dust suction port is prevented from being blocked and cannot be used. ACCURACY OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a right view structure schematic view of the utility model;

[0018] Figure 3 It is a cross section structure schematic view of the utility model;

[0019] Figure 4 The enlarged schematic view of the filter screen structure of the utility model;

[0020] Figure 5 The structure schematic view of the electric telescopic rod one and the sand disc of the utility model;

[0021] Figure 6 The structure schematic view of the casting fixing mechanism.

[0022] In the figure: 1, workbench; 2, polishing frame; 3, motor; 4, electric telescopic rod one; 5, sand disc; 6, casting fixing mechanism; 601, moving plate; 602, sliding block; 603, electric telescopic rod two; 604, push plate; 605, fixed plate; 606, bolt; 607, moving handle; 7, dust suction port; 8, filter screen; 9, fan; 10, fixing bolt; 11, air outlet; 12, fixed groove; 13, fixed mechanism moving groove; 14, sliding groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] As Figures 1-6 shown, the utility model provides a technical scheme: a metal valve casting inner circle polishing device, workbench 1 top side fixed installation has polishing frame 2, polishing frame 2 top side fixed installation has motor 3, motor 3 fixed installation has electric telescopic rod one 4, electric telescopic rod one 4 with fixed bolt 10 fixed installation has sand disc 5, polishing frame 2 inside and left and right sides fixed installation has casting fixing mechanism 6, workbench 1 bottom left and right sides are opened dust suction port 7, workbench 1 inside is provided with filter screen 8, workbench 1 inside is provided with fan 9, workbench 1 bottom side is provided with air outlet 11, polishing frame 2 outside left and right sides are opened fixed mechanism moving groove 13, the upper and lower sides of fixed mechanism moving groove 13 are symmetrically opened fixed groove 12, the inside left and right sides of polishing frame 2 are symmetrically opened sliding groove 14 with fixed mechanism moving groove 13 as the shaft.

[0025] Further, the casting fixing mechanism 6 comprises a moving plate 601 and a fixed plate 605, the side of the moving plate 601 close to the polishing frame 2 is provided with a sliding block 602, the side of the moving plate 601 away from the polishing frame 2 is fixedly installed with an electric telescopic rod two 603, the telescopic end of the electric telescopic rod two 603 is fixedly installed with a push plate 604, the fixed plate 605 is provided with a bolt 606, and the fixed plate 605 is fixedly installed with a moving handle 607.

[0026] Through the above technical scheme, when the casting needs to be fixed, the casting is placed, the casting fixing mechanism 6 is moved to the corresponding position, the electric telescopic rod two 603 is started, the casting can be fixed, the moving handle 607 is held to move the casting fixing mechanism 6 to the sand disc 5 position, the casting does not need to be fixed manually, and the position of the casting can be moved very labor-savingly. When polishing is needed, the position of the casting fixing mechanism 6 can be fixed by tightening the bolt 606.

[0027] Further, the fixed mechanism moving groove 13 is a front-to-back through structure.

[0028] Through the above technical scheme, the moving handle 607 fixedly installed on the fixed plate 605 can be fixedly connected through the fixed mechanism moving groove 13 and the moving plate 601, and drive the whole casting fixing mechanism 6 to move.

[0029] Further, the sand disc 5 is symmetrically provided with two sand discs 5 on the left and right sides of the electric telescopic rod one 4, and the two sand discs 5 are fixedly connected with the movable end of the electric telescopic rod one 4 through a plurality of fixed bolts 10 distributed at equal intervals.

[0030] Through the above technical scheme, the sand disc 5 installed through the fixed bolt 10 can be adjusted according to the size of the casting to be processed, and can adapt to processing scenes of various casting sizes. Meanwhile, the exposed fixed bolt 10 is very convenient to adjust, saves downtime caused by size adjustment, and improves the processing efficiency.

[0031] Further, the telescopic end of the electric telescopic rod one 4 is provided with a plurality of through holes at equal intervals on the plane structure.

[0032] Through the above technical scheme, the plane structure on both sides can help the nut to be fixed better, so that the sand disc 5 does not loosen during processing, and the parts are not damaged or need to be processed again.

[0033] Further, the push plate 604 is attached with a layer of rubber anti-skid material away from the telescopic end.

[0034] Through the technical scheme, the rubber has good wear resistance and elongation, and can increase the friction between metal parts when covering the smooth metal surface, is an excellent antiskid material, and can avoid the situation that the casting slides during processing, and increase the processing precision.

[0035] Working principle: first, loosen the bolt 606 of the casting fixing mechanism 6, move the casting fixing mechanism 6 to one side to fix the casting, after the casting is placed, start the electric telescopic rod two 603 to fix the casting, after the casting is fixed, move the casting to the lower side of the grinding wheel 5, fix the casting fixing mechanism 6, loosen the fixing bolt 10 according to the size of the casting to adjust the sand disc, after the adjustment, start the electric telescopic rod one 4 to place the sand disc 5, after the sand disc is adjusted to the appropriate position, start the motor 3 to begin to polish the casting, at the same time, start the fan 9 to clean the polishing debris generated during processing, avoid the dust or debris generated during processing to cause hidden troubles to the safety of the processing personnel, after the polishing is completed, loosen the bolt 606 of the casting fixing mechanism 6, move the casting fixing mechanism 6, after the casting is taken out, check the processing condition, replace the casting which needs to be processed, after a plurality of castings are processed or used for a long time, the filter screen 8 can be taken out for cleaning from the front of the polishing device, avoid that the dust suction port 7 is blocked and cannot be used.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for internal circle polishing of metal valve castings, comprising a worktable (1) characterized in that, The workbench (1) top side fixed mounting has the polishing frame (2), the polishing frame (2) top side fixed mounting has motor (3), motor (3) fixed mounting has electric telescopic rod one (4), electric telescopic rod one (4) with fixed bolt (10) fixed mounting has sand disc (5), the polishing frame (2) inside left and right sides fixed mounting has casting fixed mechanism (6), the workbench (1) bottom left and right sides are provided with dust suction port (7), the workbench (1) inside is provided with filter screen (8), the workbench (1) inside is provided with fan (9), the workbench (1) bottom side is provided with air outlet (11), the polishing frame (2) outside left and right sides are provided with fixed mechanism moving groove (13), the fixed mechanism moving groove (13) upper and lower sides are provided with fixed groove (12) symmetry, the polishing frame (2) inside left and right sides are provided with sliding groove (14) with fixed mechanism moving groove (13) as the axis upper and lower sides symmetry.

2. The apparatus for polishing the inner circle of a metal valve casting according to claim 1, wherein: The casting fixed mechanism (6) includes a moving plate (601), a fixed plate (605), the moving plate (601) is close to the polishing frame (2) one side is provided with sliding block (602), the moving plate (601) is far from the polishing frame (2) one side fixed mounting has electric telescopic rod two (603), the telescopic end of electric telescopic rod two (603) fixed mounting has push plate (604), the fixed plate (605) is provided with bolt (606), the fixed plate (605) is fixedly installed with moving handle (607).

3. The apparatus of claim 1, wherein: The fixed mechanism moving groove (13) is the structure of front and back through.

4. The apparatus of claim 1, wherein: The sand disc (5) is provided with two symmetry on the left and right sides of electric telescopic rod one (4), and the two sand discs (5) are respectively fixedly connected with the movable end of electric telescopic rod one (4) through a plurality of equally spaced fixed bolts (10).

5. The apparatus of claim 1, wherein: The telescopic end of electric telescopic rod one (4) is the plane structure, and a plurality of through holes are equally arranged on the telescopic end.

6. The metal valve casting inner circle polishing device according to claim 2, characterized in that: The push plate (604) is attached to a layer of rubber non-slip material away from the telescopic end.

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