Cutting device for carbon graphite sealing ring machining
By combining a fixing component and a driving cutting component, the graphite ring is fixed using gas pressure, which solves the problem of unstable fixing of the graphite sealing ring during processing and achieves high-precision cutting results.
Patent Information
- Application Number
- CN202520030406.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Graphite sealing rings are difficult to fix stably during processing, which affects cutting accuracy.
The system employs a combination of a fixed component and a drive-cutting component. It uses gas pressure to fix the graphite ring and uses a hydraulic rod and a cutting component to achieve cutting.
This technology enables stable fixing and high-precision cutting of graphite sealing rings, thereby improving cutting accuracy.
Smart Images

Figure CN223802808U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to carbon graphite seal ring processing technical field especially relates to a cutting device for carbon graphite seal ring processing. BACKGROUND
[0002] Carbon graphite seal ring adopts flexible graphite band or flexible graphite woven filler, and is molded into annular products with different sizes. It is suitable for hot water, high temperature, high pressure steam, heat exchange liquid, nitrogen, organic solvent, hydrocarbon, low temperature liquid and other media. It is used for compressors, pumps, valves, chemical instruments, instruments and the like. Carbon graphite seal ring is mainly used for sealing of mechanical rotating parts. In the processing link of graphite seal ring, it is often necessary to cut it. Since the graphite ring is annular solid, the fixing process of the graphite seal ring is more troublesome, and the graphite ring cannot be stably placed, which will affect the accuracy of subsequent cutting precision. UTILITY MODEL CONTENTS
[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a cutting device for carbon graphite seal ring processing, which at least partially solves the above technical problems.
[0004] The technical scheme adopted by the utility model is as follows: a cutting device for carbon graphite seal ring processing, comprising a bottom plate for supporting and fixing, a fixed plate is installed on the upper wall of the bottom plate, a driving cutting assembly is installed on the upper end of the fixed plate, a fixed assembly is also installed on the upper wall of the bottom plate, the fixed assembly is arranged at the lower end of the driving cutting assembly, an elastic supporting piece is installed at the lower end of the fixed assembly, the elastic supporting piece is arranged at the upper end of the bottom plate, the graphite ring to be cut is placed on the fixed assembly, and the driving cutting assembly cuts the graphite ring.
[0005] The fixed assembly comprises a support plate one, a support plate two and a support plate three, the lower ends of the support plate one, the support plate two and the support plate three are arranged on the bottom plate, the bottom plate supports and fixes the support plate one, the support plate two and the support plate three, a hydraulic rod one is installed on the support plate one, a limiting ring is installed on the support plate two, and a limiting assembly is installed on the support plate three.
[0006] The movable end of the hydraulic rod one is provided with a push rod, the push rod is movably arranged through the limiting ring, one end of the push rod is provided with a fixed capsule, and the fixed capsule is filled with gas.
[0007] Further, the limiting assembly comprises a limiting piece arranged on the third wall of the supporting plate, an outer fixing ring and an inner fixing ring are arranged on the side wall of the limiting piece, the inner fixing ring is arranged inside the outer fixing ring and is placed concentrically with the outer fixing ring, an elastic bag one is arranged on the inner side wall of the outer fixing ring, and an elastic bag two is arranged on the outer side wall of the inner fixing ring; the other end of the graphite ring to be fixed is inserted between the outer fixing ring and the inner fixing ring, and the elastic bag one and the elastic bag two clamp the graphite ring.
[0008] Preferably, the side wall of the limiting piece is provided with a ventilation pipe, the inner fixing ring is provided with a ventilation cavity one, the ventilation cavity one is connected with the ventilation pipe in a penetrating mode, the outer fixing ring is provided with a ventilation cavity two, the ventilation cavity one is connected with the elastic bag two in a penetrating mode, the ventilation cavity two is connected with the elastic bag one in a penetrating mode, the ventilation cavity two is connected with the ventilation cavity one in a penetrating mode, and the ventilation pipe is provided with a control valve.
[0009] The driving cutting assembly comprises a limiting rod arranged on a fixing plate, a hydraulic rod two is arranged on the fixing plate, a sliding block is movably arranged on the limiting rod, the movable end of the hydraulic rod is connected with the side wall of the sliding block, a hydraulic rod three is arranged on the bottom wall of the sliding block, a cutting piece is arranged on the movable end of the hydraulic rod three, and the cutting piece is arranged on the upper end of the graphite ring.
[0010] After the above structure is adopted, the beneficial effects of the carbon graphite sealing ring processing cutting device are as follows: the external air charging pipe is used, the air charging pump is used to charge air into the ventilation pipe, the air in the ventilation pipe enters the ventilation cavity one and the ventilation cavity two respectively, the elastic bag one and the elastic bag two are inflated, and the fixing of the one end of the graphite ring can be realized.
[0011] The gas is filled in the fixed bag-shaped piece, the pushing rod drives the fixed bag-shaped piece to be inserted into the one end of the graphite ring, the gas in the fixed bag-shaped piece is extruded, and the fixed bag-shaped piece is completely inserted into the graphite ring until the fixing of the other end of the graphite ring is realized. BRIEF DESCRIPTION OF DRAWINGS
[0012] The accompanying drawings are used to provide a further understanding of the present application, constitute a part of the specification, and are used to explain the present application together with the embodiments of the present application, and do not constitute a limitation on the present application.
[0013] Figure 1 A structural schematic view of the cutting device for processing of the carbon graphite sealing ring is provided.
[0014] Figure 2 A perspective view of the cutting device for processing of the carbon graphite sealing ring is provided.
[0015] Figure 3 A front view of the cutting device for processing of the carbon graphite sealing ring is provided.
[0016] Figure 4 For Figure 3 A local enlarged view of the place at 1.
[0017] In the drawings: 1, the base plate, 2, the fixed plate, 3, drive cutting assembly, 4, fixed assembly, 5, elastic bearing, 6, support plate one, 7, support plate two, 8, support plate three, 9, hydraulic rod one, 10, limit ring, 11, limit assembly, 12, push rod, 13, fixed bag, 14, limit piece, 15, outer fixed ring, 16, inner fixed ring, 17, elastic bag one, 18, elastic bag two, 19, air pipe, 20, air cavity one, 21, air cavity two, 22, limit rod, 23, hydraulic rod two, 24, sliding block, 25, hydraulic rod three, 26, cutting piece. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application; based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] It should be noted that, in this paper, relationship 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 such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0020] As Figures 1-4 shown, a cutting device for processing carbon graphite sealing ring, including for support and fixed base plate 1, the base plate 1 upper wall is installed with fixed plate 2, the fixed plate 2 upper end is installed with drive cutting assembly 3, the base plate 1 upper wall is also installed with fixed assembly 4, the fixed assembly 4 is located in the lower end of drive cutting assembly 3, the fixed assembly 4 lower end is installed with elastic bearing 5, the elastic bearing 5 is located in the upper end of base plate 1, the graphite ring to be cut is placed on the fixed assembly 4, and the drive cutting assembly 3 cuts the graphite ring.
[0021] The fixed assembly 4 comprises support plate one 6, support plate two 7 and support plate three 8, the lower ends of the support plate one 6, the support plate two 7 and the support plate three 8 are arranged on the bottom plate 1, the bottom plate 1 supports and fixes the support plate one 6, the support plate two 7 and the support plate three 8, the support plate one 6 is provided with a hydraulic rod one 9, the support plate two 7 is provided with a limiting ring 10, and the support plate three 8 is provided with a limiting assembly 11.
[0022] The movable end of the hydraulic rod one 9 is provided with a push rod 12, the push rod 12 movably penetrates the limiting ring 10, one end of the push rod 12 is provided with a fixed bag-shaped part 13, the fixed bag-shaped part 13 is filled with gas, when it is needed to fix one end of the graphite ring, the hydraulic rod one 9 drives the push rod 12 to move, the push rod 12 drives the fixed bag-shaped part 13 to insert into one end of the graphite ring, the gas in the fixed bag-shaped part 13 is extruded, until the fixed bag-shaped part 13 is completely inserted into the graphite ring, the fixing of the graphite ring is realized; when the cutting is completed, the hydraulic rod one 9 moves reversely, drives the push rod 12 to move, the push rod 12 drives the cut graphite ring to move to the position of the limiting ring 10 through the fixed bag-shaped part 13, the limiting ring 10 drives the graphite ring, and the graphite ring falls on the elastic supporting part 5.
[0023] The limiting assembly 11 comprises a limiting part 14, the limiting part 14 is arranged on the upper wall of the support plate three 8, the side wall of the limiting part 14 is provided with an outer fixed ring 15 and an inner fixed ring 16, the inner fixed ring 16 is arranged inside the outer fixed ring 15 and is placed concentrically with the outer fixed ring 15, the inner side wall of the outer fixed ring 15 is provided with an elastic bag one 17, the outer side wall of the inner fixed ring 16 is provided with an elastic bag two 18, the other end of the graphite ring to be fixed is inserted between the outer fixed ring 15 and the inner fixed ring 16, and the elastic bag one 17 and the elastic bag two 18 clamp the graphite ring.
[0024] The side wall of the limiting part 14 is provided with an air pipe 19, the inner fixed ring 16 is provided with an air cavity one 20, the air cavity one 20 is connected with the air pipe 19 in penetration, the outer fixed ring 15 is provided with an air cavity two 21, the air cavity one 20 is connected with the elastic bag two 18 in penetration, the air cavity two 21 is connected with the elastic bag one 17 in penetration, the air cavity two 21 is connected with the air cavity one 20 in penetration, and the air pipe 19 is provided with a control valve, when it is needed to inflate the elastic bag one 17 and the elastic bag two 18, the control valve in the air pipe 19 is opened, an external inflation pipe is connected, an inflation pump is used to inflate the air pipe 19, the gas in the air pipe 19 enters the air cavity one 20 and the air cavity two 21 respectively, the elastic bag one 17 and the elastic bag two 18 are inflated to fix the graphite ring, then the inflation pump is closed, and the control valve in the air pipe 19 is closed.
[0025] The driving cutting assembly 3 comprises a limiting rod 22 arranged on the fixed plate 2, a hydraulic rod two 23 is arranged on the fixed plate 2, a sliding block 24 is movably arranged on the limiting rod 22, the movable end of the hydraulic rod is connected with the side wall of the sliding block 24, a hydraulic rod three 25 is arranged on the bottom wall of the sliding block 24, a cutting piece 26 is arranged on the movable end of the hydraulic rod three 25, and the cutting piece 26 is arranged on the upper end of the graphite ring.
[0026] In specific use, the other end of the graphite ring to be fixed is inserted between the outer fixed ring 15 and the inner fixed ring 16, the elastic bag one 17 and the elastic bag two 18 are inflated, the control valve in the air pipe 19 is opened, the air pipe is connected, the air pipe 19 is inflated by the inflation pump, the gas in the air pipe 19 enters the air cavity one 20 and the air cavity two 21 respectively, the elastic bag one 17 and the elastic bag two 18 are inflated to fix the graphite ring, then the inflation pump is closed, and the control valve in the air pipe 19 is closed.
[0027] When the graphite ring needs to be cut, the hydraulic rod two 23 works to drive the sliding block 24 to move along the limiting rod 22, after moving to the cutting position, the hydraulic rod three 25 works to drive the cutting piece 26 to cut the graphite ring; when the cutting is completed, the hydraulic rod one 9 moves reversely to drive the pushing rod 12 to move, the pushing rod 12 drives the cut graphite ring to move to the position of the limiting ring 10 through the fixed bag-shaped piece 13, the limiting ring 10 drives the graphite ring, and the graphite ring falls on the elastic supporting piece 5.
[0028] 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. In general, if the ordinary skilled in the art is inspired, without departing from the creative purpose of the utility model, without creative design, the similar structure mode and embodiment of the technical scheme should belong to the protection scope of the utility model.
Claims
1. A cutting device for processing carbon graphite seal rings, characterized by, Including the bottom plate for supporting and fixing, the fixed plate is installed on the upper wall of the bottom plate, the driving cutting assembly is installed on the upper end of the fixed plate, the fixed assembly is installed on the upper wall of the bottom plate, the fixed assembly is arranged at the lower end of the driving cutting assembly, the elastic receiving part is installed at the lower end of the fixed assembly, and the elastic receiving part is arranged at the upper end of the bottom plate.
2. The cutting device for processing carbon graphite seal rings according to claim 1, characterized in that, The fixed assembly includes support plate one, support plate two and support plate three, the lower end of the support plate one, the support plate two and the support plate three is arranged on the bottom plate, the hydraulic rod one is installed on the support plate one, the limiting ring is installed on the support plate two, and the limiting assembly is installed on the support plate three.
3. The cutting device for processing carbon graphite seal rings according to claim 2, characterized in that, The movable end of the hydraulic rod one is provided with a push rod, the push rod is movably arranged through the limiting ring, and the push rod is provided with a fixed bag-shaped part at one end.
4. The cutting device for processing carbon graphite seal rings according to claim 2, characterized in that, The limiting assembly includes a limiting part, the limiting part is arranged on the upper wall of the support plate three, the outer fixed ring and the inner fixed ring are installed on the side wall of the limiting part, the inner fixed ring is arranged inside the outer fixed ring and is placed concentrically with the outer fixed ring, the elastic bag one is arranged on the inner side wall of the outer fixed ring, and the elastic bag two is arranged on the outer side wall of the inner fixed ring.
5. The cutting device for processing carbon graphite seal rings according to claim 4, characterized in that, The side wall of the limiting part is provided with an air pipe, the inner fixed ring is provided with an air cavity one, the air cavity one is connected with the air pipe in penetration, the outer fixed ring is provided with an air cavity two, the air cavity one is connected with the elastic bag two in penetration, the air cavity two is connected with the elastic bag one in penetration, the air cavity two is connected with the air cavity one in penetration, and the air pipe is provided with a control valve.
6. The cutting device for processing carbon graphite seal rings according to claim 1, characterized in that, The driving cutting assembly includes a limiting rod, the limiting rod is arranged on the fixed plate, the hydraulic rod two is installed on the fixed plate, the sliding block is movably installed on the limiting rod, the movable end of the hydraulic rod is connected with the side wall of the sliding block, the hydraulic rod three is installed on the bottom wall of the sliding block, the movable end of the hydraulic rod three is provided with a cutting part, and the cutting part is arranged on the upper end of the graphite ring.