End face grinding device for valve

Abstract

The utility model relates to an end face polishing device for a valve, which belongs to the technical field of valve processing and comprises a fixed base, a lifting fixing mechanism is arranged at the top of the fixed base and comprises an electric push rod fixedly mounted at the top of the fixed base, and a bearing plate is fixedly mounted on an output shaft of the electric push rod. And two lower fixing seats are fixedly mounted at the top of the bearing plate. According to the end face grinding device for the valve, the height can be flexibly adjusted, an electric push rod can drive a bearing plate to adjust the height of the valve, different operation requirements are met, fixing is stable, an adjusting screw rod is rotated to enable a clamping ring to descend to clamp the valve, a limiting rod guarantees vertical descending, an upper fixing base and a lower fixing base are fixed through bolts, and it is guaranteed that the valve is firmly fixed, grinding operation is convenient and fast, and adaptability is high; the stepping motor drives the two-way lead screw, the threaded block drives the grinding disc to flexibly move to be close to or away from the valve end face, the grinding disc is rotated at a high speed in cooperation with the rotating motor, and valve end faces of different lengths can be ground.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve machining technical field, concretely is a valve end face polishing device. BACKGROUND

[0002] Valve is the control part in fluid conveying system, has the functions such as cut-off, regulation, flow guide, prevent backflow, pressure stabilization, shunt or overflow pressure relief, in valve manufacturing and maintenance field, the polishing treatment of valve end face is a key procedure, and its quality directly influences the sealing performance, connection reliability and overall service life of valve.

[0003] The existing valve end face polishing mode has many deficiencies, and the polishing quality is difficult to guarantee, uneven polishing, surface roughness does not meet the requirements and other problems are prone to occur, and it is difficult to meet the production and maintenance needs of high-precision valves, and the generalization of the equipment is poor in the case of part of the use of automatic polishing equipment, and many polishing equipment is often designed for specific specifications and types of valves, and for valves of different sizes and shapes, the fixture needs to be frequently replaced or the equipment parameters need to be adjusted, which is tedious and time-consuming, increases the production cost and production cycle, and therefore another technical solution is provided to solve the problem. UTILITARIAN CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a valve end face polishing device, which has the advantages of convenient fixing and effective moving polishing of valves of different sizes, solves the problems of the existing valve end face polishing mode, such as many deficiencies, difficult to guarantee the polishing quality, uneven polishing, surface roughness not meeting the requirements and other problems, and difficult to meet the production and maintenance needs of high-precision valves, and the generalization of the equipment is poor in the case of part of the use of automatic polishing equipment, and many polishing equipment is often designed for specific specifications and types of valves, and for valves of different sizes and shapes, the fixture needs to be frequently replaced or the equipment parameters need to be adjusted, which is tedious and time-consuming.

[0005] To achieve the above object, the utility model provides the following technical scheme: a valve end face polishing device, comprising a fixed base, the top of the fixed base is provided with a lifting fixing mechanism;

[0006] The lifting fixing mechanism comprises an electric push rod fixedly installed at the top of the fixed base, the output shaft of the electric push rod is fixedly installed with a bearing plate, the top of the bearing plate is fixedly installed with two lower fixed seats, the top of the lower fixed seat is hingedly connected with an upper fixed seat, the inside of the upper fixed seat is threadedly connected with an adjusting screw, the bottom of the adjusting screw is rotatably connected with a clamping ring, and the top of the clamping ring is fixedly installed with a limiting rod slidingly connected with the upper fixed seat.

[0007] The side of the upper fixing seat is fixedly installed with a mounting plate, the bottom of the mounting plate is fixedly installed with a limiting block, the outer side of the limiting block is movably connected with a limiting seat fixedly connected with the lower fixing seat, and the side of the limiting seat is inserted with a bolt inserted with the limiting block.

[0008] Further, the top of the fixing base is provided with a mobile polishing assembly, the mobile polishing assembly comprises two support plates fixedly installed on the top of the fixing base, the top of the support plate is fixedly installed with a mounting box, the inside of the mounting box is fixedly installed with a stepping motor, the output shaft of the stepping motor is fixedly installed with a bidirectional screw rod;

[0009] The outer side of the bidirectional screw rod is threadedly connected with a threaded block slidably connected with the mounting box, the bottom of the threaded block is fixedly installed with a connecting plate, the rotating motor is fixedly installed between the two connecting plates, and the output shaft of the rotating motor is fixedly installed with a polishing disc.

[0010] Further, the inside of the upper fixing seat is provided with a threaded hole, and the adjusting screw is threadedly connected with the upper fixing seat through the threaded hole.

[0011] Further, the inside of the limiting block and the limiting seat is provided with a corresponding insertion slot, and the bolt is inserted with the limiting block and the limiting seat through the insertion slot.

[0012] Further, the inside of the upper fixing seat is provided with a sliding groove, and the limiting rod is movably connected with the upper fixing seat through the sliding groove.

[0013] Further, the outer side of the bidirectional screw rod is provided with two sections of thread grooves with opposite directions, and the two threaded blocks are threadedly connected with the bidirectional screw rod through the corresponding thread grooves.

[0014] Further, the bottom of the mounting box is provided with a limiting groove, and the threaded block is slidably connected with the mounting box through the limiting groove.

[0015] Compared with the prior art, the technical scheme of the application has the following beneficial effects:

[0016] The valve end face polishing device can be flexibly adjusted in height, the electric push rod can drive the bearing plate to adjust the valve height, different operation requirements can be met, the device is fixedly stable, the clamping ring is lowered and clamped to the valve by rotating the adjusting screw, the limiting rod ensures vertical descent, the bolt fixes the upper and lower fixing seats, the valve is fixedly ensured, the polishing operation is convenient and has strong adaptability, the stepping motor drives the bidirectional screw rod, the threaded block drives the polishing disc to move flexibly, the polishing disc is close to or away from the valve end face, the rotating motor is high-speed rotated to polish the disc, different length valve end faces can be polished, as a whole, the device greatly improves flexibility and practicality through the cooperation of multiple structures, and meets the diversified valve end face polishing requirements. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure section view schematic diagram of the utility model;

[0018] Figure 2 It is a bearing plate and lower fixed seat structure schematic diagram of the utility model;

[0019] Figure 3 It is a utility model Figure 2 It is a structure enlarged schematic diagram of A;

[0020] Figure 4 It is a part structure three-dimensional schematic diagram of the utility model.

[0021] In the drawing: 1, fixed base; 2, electric push rod; 3, bearing plate; 4, lower fixed seat; 5, upper fixed seat; 6, adjusting screw; 7, clamping ring; 8, limiting rod; 9, mounting plate; 10, limiting block; 11, limiting seat; 12, bolt; 13, support plate; 14, mounting box; 15, stepping motor; 16, bidirectional screw rod; 17, threaded block; 18, connecting plate; 19, rotary motor; 20, polishing disc. DETAILED DESCRIPTION

[0022] 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, rather than 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 the utility model.

[0023] Please refer to Figures 1 to 4 A valve end face polishing device in the embodiment comprises a fixed base 1, and the top of the fixed base 1 is provided with a lifting fixing mechanism.

[0024] In embodiment one, the lifting fixing mechanism comprises an electric push rod 2 fixedly installed at the top of the fixed base 1, the output shaft of the electric push rod 2 is fixedly installed with a bearing plate 3, the top of the bearing plate 3 is fixedly installed with two lower fixed seats 4, the top of the lower fixed seat 4 is hingedly connected with an upper fixed seat 5, the inside of the upper fixed seat 5 is threadedly connected with an adjusting screw 6, the inside of the upper fixed seat 5 is provided with a threaded hole, and the adjusting screw 6 is threadedly connected with the upper fixed seat 5 through the threaded hole, which helps the adjusting screw 6 to move up and down.

[0025] The bottom of the adjusting screw 6 is rotatably connected with a clamping ring 7, the top of the clamping ring 7 is fixedly installed with a limiting rod 8 slidingly connected with the upper fixed seat 5, the inside of the upper fixed seat 5 is provided with a sliding groove, and the limiting rod 8 is movably connected with the upper fixed seat 5 through the sliding groove, which helps the limiting rod 8 to be limited.

[0026] In this embodiment, one side of the upper fixing seat 5 is fixedly provided with a mounting plate 9, the bottom of the mounting plate 9 is fixedly provided with a limiting block 10, the outer side of the limiting block 10 is movably connected with a limiting seat 11 fixedly connected with the lower fixing seat 4, one side of the limiting seat 11 is inserted with a bolt 12 inserted with the limiting block 10, and the inside of the limiting block 10 and the limiting seat 11 is provided with a corresponding insertion slot, and the bolt 12 is inserted with the limiting block 10 and the limiting seat 11 through the insertion slot, which is helpful for insertion and fixation.

[0027] In the second embodiment, the top of the fixed base 1 is provided with a movable polishing assembly, and the movable polishing assembly comprises two support plates 13 fixedly installed on the top of the fixed base 1, an installation box 14 fixedly installed on the top of the support plate 13, a stepping motor 15 fixedly installed in the installation box 14, and a double-thread screw rod 16 fixedly installed on the output shaft of the stepping motor 15.

[0028] The outer side of the double-thread screw rod 16 is threadedly connected with a threaded block 17 slidably connected with the installation box 14, the bottom of the installation box 14 is provided with a limiting groove, the threaded block 17 is slidably connected with the installation box 14 through the limiting groove, the threaded block 17 is conveniently limited, the outer side of the double-thread screw rod 16 is provided with two opposite screw grooves, and the two threaded blocks 17 are threadedly connected with the double-thread screw rod 16 through the corresponding screw grooves, which is helpful for the mutual approaching or moving away of the two threaded blocks 17, the bottom of the threaded block 17 is fixedly provided with a connecting plate 18, a rotary motor 19 is fixedly installed between the two connecting plates 18, and a polishing disc 20 is fixedly installed on the output shaft of the rotary motor 19.

[0029] It should be noted that the valve end face polishing device can be flexibly adjusted in height, the electric push rod 2 can drive the bearing plate 3 to adjust the valve height, different operation requirements can be adapted, the device is fixed and stable, the clamping ring 7 is lowered and clamped by rotating the adjusting screw rod 6, the limiting rod 8 ensures vertical descent, the bolt 12 fixes the upper and lower fixing seats 4, the valve is fixed firmly, the polishing operation is convenient and has strong adaptability, the stepping motor 15 drives the double-thread screw rod 16, the threaded block 17 drives the polishing disc 20 to move flexibly, and the polishing disc 20 is close to or away from the valve end face, and the rotary motor 19 rotates the polishing disc 20 at high speed, so that the valve end face of different lengths can be polished. Overall, the device greatly improves flexibility and practicality through the cooperation of multiple structures, and meets the diversified valve end face polishing requirements.

[0030] The working principle of the above embodiment is as follows:

[0031] The valve end face polishing device, in use, first places the valve between the two lower fixed seats 4, starts the electric push rod 2, the output shaft of the electric push rod 2 extends and retracts, drives the bearing plate 3 to rise or fall, adjusts the valve to the appropriate height position, then rotates the adjusting screw 6, since the adjusting screw 6 is screwed with the upper fixed seat 5 through the threaded hole, the adjusting screw 6 will move downward when rotating, drives the clamping ring 7 connected at the bottom to descend, the limiting rod 8 slides in the sliding groove inside the upper fixed seat 5, plays a limiting and guiding role on the clamping ring 7, ensures its vertical descent, when the clamping ring 7 contacts the valve and clamps it, inserts the latch 12, makes it pass through the corresponding insertion slot inside the limiting block 10 and the limiting seat 11, fixedly connects the upper fixed seat 5 and the lower fixed seat 4, completes the fixation of the valve;

[0032] After the valve is fixed, start the stepping motor 15 in the installation box 14, the output shaft of the stepping motor 15 drives the bidirectional screw rod 16 to rotate, the outer side of the bidirectional screw rod 16 has two opposite direction threaded grooves, the two threaded blocks 17 are screwed with the bidirectional screw rod 16 through the corresponding threaded grooves, therefore when the bidirectional screw rod 16 rotates, the two threaded blocks 17 will move towards or away from each other, the threaded block 17 slides in the installation box 14 through the limiting slot, guarantees the stability of the movement, the connecting plate 18 at the bottom of the threaded block 17 drives the rotary motor 19 and the polishing disc 20 to move, makes the polishing disc 20 close to or away from the valve end face, when the polishing disc 20 reaches the appropriate position, start the rotary motor 19, the output shaft of the rotary motor 19 drives the polishing disc 20 to rotate at high speed, polishes the valve end face, by controlling the stepping motor 15 and the rotary motor 19, can realize the polishing of the valve end face of different lengths, greatly improves the flexibility and practicability of the device.

[0033] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A face grinding device for valves, comprising a fixed base (1), characterized in that: The top of the fixed base (1) is provided with a lifting fixing mechanism; The lifting fixing mechanism comprises an electric push rod (2) fixedly installed at the top of the fixed base (1), the output shaft of the electric push rod (2) is fixedly installed with a bearing plate (3), the top of the bearing plate (3) is fixedly installed with two lower fixing bases (4), the top of the lower fixing base (4) is hingedly connected with an upper fixing base (5), the inside of the upper fixing base (5) is threadedly connected with an adjusting screw (6), the bottom of the adjusting screw (6) is rotatably connected with a clamping ring (7), the top of the clamping ring (7) is fixedly installed with a limiting rod (8) slidably connected with the upper fixing base (5); The side of the upper fixing base (5) is fixedly installed with a mounting plate (9), the bottom of the mounting plate (9) is fixedly installed with a limiting block (10), the outer side of the limiting block (10) is movably connected with a limiting seat (11) fixedly connected with the lower fixing base (4), the side of the limiting seat (11) is inserted with a bolt (12) inserted with the limiting block (10).

2. A face grinding device for valves according to claim 1, characterized in that: The top of the fixed base (1) is provided with a mobile polishing assembly, the mobile polishing assembly comprises two support plates (13) fixedly installed at the top of the fixed base (1), the top of the support plate (13) is fixedly installed with a mounting box (14), the inside of the mounting box (14) is fixedly installed with a stepping motor (15), the output shaft of the stepping motor (15) is fixedly installed with a bidirectional screw rod (16); The outer side of the bidirectional screw rod (16) is threadedly connected with a threaded block (17) slidably connected with the mounting box (14), the bottom of the threaded block (17) is fixedly installed with a connecting plate (18), the rotating motor (19) is fixedly installed between the two connecting plates (18), the output shaft of the rotating motor (19) is fixedly installed with a polishing disc (20).

3. The end face grinding device for a valve according to claim 1, characterized by: The inside of the upper fixing base (5) is provided with a threaded hole, the adjusting screw (6) is threadedly connected with the upper fixing base (5) through the threaded hole.

4. The end face grinding device for a valve according to claim 1, characterized by: The inside of the limiting block (10) and the limiting seat (11) is provided with a corresponding insertion slot, the bolt (12) is inserted with the limiting block (10) and the limiting seat (11) through the insertion slot.

5. The end face grinding device for a valve according to claim 1, characterized by: The inside of the upper fixing base (5) is provided with a sliding groove, the limiting rod (8) is movably connected with the upper fixing base (5) through the sliding groove.

6. The end face grinding device for a valve according to claim 2, characterized by: The outer side of the bidirectional screw rod (16) is provided with two sections of screw grooves in opposite directions, the two threaded blocks (17) are threadedly connected with the bidirectional screw rod (16) through the corresponding screw grooves.

7. The end face grinding device for a valve according to claim 2, characterized by: The bottom of the mounting box (14) is provided with a limiting groove, the threaded block (17) is slidably connected with the mounting box (14) through the limiting groove.

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