CN116197772B - Plug valve grinder - Google Patents
Plug valve grinder Download PDFInfo
- Publication number
- CN116197772B CN116197772B CN202310500266.1A CN202310500266A CN116197772B CN 116197772 B CN116197772 B CN 116197772B CN 202310500266 A CN202310500266 A CN 202310500266A CN 116197772 B CN116197772 B CN 116197772B
- Authority
- CN
- China
- Prior art keywords
- plug valve
- gear
- bodies
- toothed plate
- block
- Prior art date
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 238000003754 machining Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 210000005056 cell body Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/04—Machines or devices designed for grinding seat surfaces; Accessories therefor on valve members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/02—Bench grinders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to the technical field of plug valve processing, in particular to a plug valve grinding device. The invention provides a plug valve grinding device which comprises a workbench, at least one grinding component and at least one base, wherein the grinding component corresponds to the base one by one; the base and the grinding assembly are arranged on the workbench, and the base is respectively provided with a fixing mechanism and a bearing mechanism; the bearing mechanism comprises two bearing blocks and a driving structure, the two bearing blocks are symmetrically arranged relative to the fixing mechanism, and the driving structure drives the two bearing blocks to ascend or descend simultaneously so as to support the two opposite ends of the plug valve. The two bearing blocks of the bearing mechanism hold the two sides of the plug valve from the two ends, play the role of stably supporting the plug valve, and simultaneously fix the lower end of the plug valve by the fixing mechanism, thereby fixing the plug valve, avoiding the plug valve from shaking and improving the grinding precision.
Description
Technical Field
The invention relates to the technical field, in particular to a plug valve grinding device.
Background
Because there is the machining error between valve body and the cock body, the tapering coincide between valve body, the cock body is not so good, has the gap between the face, will leak when pressurizing, and the valve has leaked and is unqualified. In order to eliminate the gap between the valve body and the plug body, the valve body and the plug body must be mutually ground, so that a plug valve grinder appears in the market.
The plug valve grinding machine generally comprises a workbench, a control box, a machine shell, a hydraulic control mechanism, a coupler, a plug and a base, wherein the machine shell is arranged on the upper surface of the workbench, a slide rail driving mechanism is arranged on the front surface of the machine shell, the hydraulic control mechanism is arranged on the slide rail driving mechanism, so that the hydraulic control mechanism can move up and down along the machine shell, the coupler and the plug are connected together and then are arranged on the hydraulic control mechanism, the hydraulic control mechanism drives the coupler and the plug to rotate, the control box operates all parts, and the base is arranged on the upper surface of the workbench and is positioned right below the coupler for placing the plug valve.
When the base of the existing plug valve grinding machine adopts a steel plate seat to process the plug valve, a worker carries the plug valve to the steel plate seat, adjusts the position of the plug valve, then holds the plug valve by hand and waits for the processing of the plug valve grinding machine;
thus, it is difficult to stabilize the plug valve, and the plug valve is easy to shake during processing and grinding, so that the processing precision is reduced, and therefore, a base capable of stabilizing and fixing the plug valve is lacking at present.
Disclosure of Invention
The invention solves the problems that: the base of the existing plug valve grinder adopts a steel plate seat, and when the plug valve is processed, the plug valve is difficult to stabilize.
(II) technical scheme
The plug valve grinding device comprises a workbench, at least one grinding component and at least one base, wherein the grinding component corresponds to the base one by one;
the base and the grinding assembly are arranged on the workbench, and the base is respectively provided with a fixing mechanism and a bearing mechanism;
the bearing mechanism comprises two bearing blocks and a driving structure, the two bearing blocks are symmetrically arranged relative to the fixing mechanism, and the driving structure drives the two bearing blocks to ascend or descend simultaneously so as to support the two opposite ends of the plug valve;
the fixing mechanism is positioned on the upper surface of the workbench, and the lower end of the plug valve is fixed through the fixing mechanism.
According to one embodiment of the invention, the fixing mechanism comprises a locking structure, a chassis, a ring body and a plurality of moving blocks, wherein the ring body is connected to the upper surface of the chassis;
a plurality of groove bodies matched with the moving blocks are uniformly formed on the ring body, and the ring bodies are respectively and slidably arranged in the groove bodies;
the locking structure drives the plurality of moving blocks to simultaneously move inwards or outwards.
According to one embodiment of the invention, the locking structure comprises a second gear and a plurality of cylinders;
the upper surface of each moving block is connected with one column;
the second gear is arranged on the upper surface of the ring body and is coaxial with the ring body, a plurality of hole bodies are arranged on the second gear around the axis of the second gear, and the hole bodies are strip-shaped holes;
the hole bodies are in one-to-one correspondence with the columns, and each column penetrates through one hole body.
According to one embodiment of the present invention, the locking structure further includes a first gear and a motor, the first gear and the second gear are engaged, the motor is located below the first gear, and an output end of the motor is fixed on the first gear.
According to one embodiment of the invention, the bearing mechanism further comprises two pipe bodies, two lifting columns, a rotating rod, two small tooth bodies, a large tooth body and a toothed plate mechanism;
the pipe body and the lifting column are coaxially arranged, the bearing block is fixed at the upper end of the lifting column, the bearing block is an arc-shaped block, a notch is formed in the side face of the pipe body, and a tooth slot is formed in the side face of the lifting column;
the small tooth body and the large tooth body are coaxially fixed on the rotating rod, and the two small tooth bodies are respectively meshed with the tooth grooves on the two lifting columns;
the toothed plate mechanism drives the large tooth body to rotate.
According to one embodiment of the invention, the toothed plate mechanism comprises a toothed plate, a sliding rail and a cylinder, wherein the toothed plate slides on the sliding rail, a tooth groove surface of the toothed plate is positioned on the upper surface of the toothed plate, the toothed plate is meshed with the large toothed body, one end of the cylinder is fixed with the toothed plate, and the cylinder pushes the toothed plate to move along the length direction of the sliding rail.
According to one embodiment of the invention, the moving block comprises a sliding block and a locking block, the sliding block is matched with the groove body, the locking block is fixed on the inner side surface of the sliding block, and the inner side surface of the locking block is a curved surface.
According to one embodiment of the invention, the chassis is a circular ring disc, the chassis and the ring body are coaxially arranged, the outer diameter of the chassis is larger than that of the ring body, a plurality of sliding grooves are uniformly formed in the upper surface of the chassis, the sliding grooves correspond to the groove bodies one by one, and each sliding groove is arranged along the length direction of the corresponding groove body.
According to one embodiment of the present invention, the grinding assembly includes a housing, a hydraulic control mechanism mounted on the housing, a coupling mounted on the hydraulic control mechanism, and a tap coaxially disposed with the coupling and mounted at a lower end of the coupling.
According to one embodiment of the invention, a control box is mounted on the workbench, and the grinding assembly is electrically connected with the control box.
The invention has the beneficial effects that:
the invention provides a plug valve grinding device which comprises a workbench, at least one grinding component and at least one base, wherein the grinding component corresponds to the base one by one; the base and the grinding component are both arranged on the workbench, and the base is respectively provided with a fixing mechanism and a bearing mechanism; the bearing mechanism comprises two bearing blocks and a driving structure, the two bearing blocks are symmetrically arranged relative to the fixing mechanism, and the driving structure drives the two bearing blocks to ascend or descend simultaneously so as to support the two opposite ends of the plug valve; the fixing mechanism is positioned on the upper surface of the workbench, and the lower end of the plug valve is fixed through the fixing mechanism. Placing the plug valve on the two supporting plates, adjusting the height of the plug valve through the supporting mechanism, ensuring that the lower port of the plug valve can be inserted into the fixing mechanism, finally fixing the plug valve by the fixing mechanism, finishing retention, loosening the plug valve by the fixing mechanism after finishing processing and grinding, and taking away the plug valve.
The two bearing blocks of the bearing mechanism hold the two sides of the plug valve from the two ends, play the role of stably supporting the plug valve, and meanwhile, the fixing mechanism fixes the lower end of the plug valve, so that the plug valve is fixed, the plug valve is prevented from shaking, and the grinding precision is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of a base provided by an embodiment of the present invention;
FIG. 3 is a block diagram of a fixing mechanism and a support mechanism according to an embodiment of the present invention;
FIG. 4 is a block diagram of a fixing mechanism according to an embodiment of the present invention;
FIG. 5 is a block diagram of a chassis and ring provided by an embodiment of the present invention;
fig. 6 is a block diagram of a support mechanism according to an embodiment of the present invention.
Icon: 1-a workbench; 101-a control box; 2-a casing; 201-a hydraulic control mechanism; 202-a coupling; 203-a tap; 3-a base; 4-a fixing mechanism; 5-a bearing mechanism; 6-a first gear; 7-a motor; 8-a second gear; 801-a hole body; 9-chassis; 901-a sliding groove; 10-ring body; 11-a slider; 111-locking blocks; 112-column; 12-a tube body; 121-lifting column; 122-supporting blocks; 13-rotating the rod; 131-a first tooth; 132-a second tooth; 133-a third tooth; 14-sliding rails; 141-tooth plate; 142-cylinder.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 6, one embodiment of the present invention provides a plug valve grinding device, which comprises a workbench 1, at least one grinding component and at least one base 3, wherein the grinding components are in one-to-one correspondence with the base 3;
the base 3 and the grinding component are both arranged on the workbench 1, and the base 3 is respectively provided with a fixing mechanism 4 and a bearing mechanism 5;
the bearing mechanism 5 comprises two bearing blocks 122 and a driving structure, the two bearing blocks 122 are symmetrically arranged relative to the fixing mechanism 4, and the driving structure drives the two bearing blocks 122 to ascend or descend simultaneously so as to support the two opposite ends of the plug valve;
the fixing mechanism 4 is positioned on the upper surface of the workbench 1, and the lower end of the plug valve is fixed through the fixing mechanism 4.
As shown in fig. 1, two supporting blocks 122 of the supporting mechanism 5 support two sides of the plug valve from two ends, and play a role of stably supporting the plug valve, and meanwhile, the fixing mechanism 4 fixes the lower end of the plug valve, so as to fix the plug valve and prevent the plug valve from shaking.
In this embodiment, the grinding assembly includes a casing 2, a hydraulic control mechanism 201, a coupling 202 and a tap 203, a slide rail driving mechanism is disposed on the front surface of the casing 2, the hydraulic control mechanism 201 is mounted on the slide rail driving mechanism, so that the hydraulic control mechanism 201 can move up and down along the casing 2, the coupling 202 and the tap 203 are connected together and then mounted on the hydraulic control mechanism 201, the hydraulic control mechanism 201 drives the coupling 202 and the tap 203 to rotate, a control box 101 is also mounted on the front surface of the workbench 1, and the control box 101 controls the operation of each component.
As a specific example, fig. 1 shows. Two grinding components and two bases 3 are arranged on the upper surface of the workbench 1, the two grinding components are separated by a certain distance, a base 3 is arranged right in front of each grinding component, and the bases 3 are welded on the workbench 1.
Optionally, the base 3 is directly placed on the workbench 1, so that the position of the base 3 can be flexibly adjusted, and compared with the base which is welded and fixed on the workbench 1, the base is slightly poorer in stability, but the processing of the plug valve is not affected.
As a specific embodiment, as shown in fig. 4, the fixing mechanism 4 includes a chassis 9, a ring body 10 and a plurality of moving blocks, the ring body 10 is arranged on the upper surface of the chassis 9, the ring body 10 and the chassis 9 are integrally formed, the ring body 10 is in a ring shape, eight groove bodies matched with the moving blocks are uniformly formed on the ring body 10, the groove bodies completely penetrate through the ring body 10 so as to divide the ring body 10 into eight blocks, the number of the moving blocks is eight, and the eight ring bodies 10 are respectively slidably mounted in the eight groove bodies;
in this embodiment, the chassis 9 is a circular ring disc, the chassis 9 and the ring body 10 are coaxially arranged, the outer diameter of the chassis 9 is larger than the outer diameter of the ring body 10, and the inner diameter of the chassis 9 is larger than the inner diameter of the ring body 10, so as to bear the ring body 10;
in this embodiment, eight sliding grooves 901 are uniformly formed on the upper surface of the chassis 9, the sliding grooves 901 are in one-to-one correspondence with the groove bodies, the sliding grooves 901 are communicated with the groove bodies, each sliding groove 901 is arranged along the length direction of the corresponding groove body, specifically, the bottom surface of the groove body and the bottom surface of the sliding groove 901 are in the same horizontal plane, namely, the depth of the groove body is greater than the height of the ring body 10, so that the sliding grooves 901 can be used for limiting the moving block on the chassis 9;
further, as shown in fig. 5, the second gear 8 is disposed on the upper surface of the ring body 10 and is coaxially disposed with the ring body 10, a cylinder 112 is fixed on the upper surface of each slider 11, eight holes 801 are formed on the second gear 8 around the axis of the second gear 8, the holes 801 are strip-shaped holes, wherein each hole 801 corresponds to one cylinder 112, the height of each cylinder 112 is greater than the depth of each hole 801, and the diameter of each cylinder 112 is greater than the width of each hole 801, so that each cylinder 112 can pass through each hole 801;
in addition, the inner side end of each sliding block 11 is provided with a locking block 111, the inner side surface of the locking block 111 is a curved surface, and the width of the widest part of the locking block 111 is the same as the width of the groove body, namely, the locking block 111 can enter the groove body.
As shown in fig. 5, eight hole bodies 801 are sequentially opened around the axis of the second gear 8 at the same inclination angle;
optionally, ring body 10 welds the upper surface at chassis 9, thereby the cell body that evenly offered eight and movable block looks adaptations on ring body 10, thereby the cell body link up ring body 10 completely cuts apart ring body 10 into eight, the movable block is provided with eight, eight movable blocks slidable mounting respectively in eight cell bodies, the degree of depth of cell body equals the height of ring body 10, chassis 9 is the ring form, the external diameter of chassis 9 is greater than the external diameter of ring body 10, the internal diameter of chassis 9 is greater than the internal diameter of ring body 10, sliding tray 901 is not offered any more to the upper surface of chassis 9.
Further, as shown in fig. 4, a motor 7 is further installed on the base 3, an output end of the motor 7 faces upwards, a first gear 6 is fixed at an output end of the motor 7, the first gear 6 is located at a back surface of the second gear 8 and is meshed with the second gear 8, and the first gear 6 is driven to rotate through the motor 7, so that the second gear 8 can be driven to rotate. The motor 7 is electrically connected to the control box 101, and the operation of the motor 7 can be controlled by the control box 101.
Thus, the motor 7 drives the first gear 6 to rotate, so that the second gear 8 can be driven to rotate, and as the eight cylinders 112 are limited in the eight holes 801 on the second gear 8, the eight cylinders 112 are driven to move inwards or outwards simultaneously along with the rotation of the second gear 8, so that the moving block is driven to move inwards or outwards simultaneously, and the plug valve is fixed or loosened. The plug valves with different sizes can be fixed through the fixing mechanism 4, so that shaking of the plug valves during grinding is effectively prevented, and the machining precision is improved.
Optionally, an infrared sensor may be further installed in the base 3, where the infrared sensor is located below the chassis 9, and the infrared sensor is electrically connected to the control box 101, so as to measure the position of the lower end of the plug valve, for example, when the lower end of the plug valve reaches the infrared sensor, the control box 101 receives a signal of the infrared sensor, and at this time, the control cylinder 142 stops working to ensure that the lower end of the plug valve reaches a specified position.
As shown in fig. 6, the supporting mechanism 5 further includes two tube bodies 12, two lifting columns 121, a rotating rod 13, a first tooth body 131, a second tooth body 132 and a third tooth body 133;
two shrinkage pools are symmetrically arranged on the upper surface of the base 3, the two shrinkage pools are symmetrically arranged about the fixing mechanism 4, the diameter of each shrinkage pool is larger than that of each lifting column 121, a ring piece is fixed at the top of each pipe body 12, the diameter of each ring piece is larger than that of each shrinkage pool, the two pipe bodies 12 and the shrinkage pools are coaxially arranged, the two lifting columns 121 are respectively inserted into the two pipe bodies 12, round holes can be formed in the ring pieces, bolt holes can be formed in the shrinkage pools, and the ring pieces are fixed into the shrinkage pools through bolts, so that the pipe bodies 12 are fixed.
Alternatively, the tube 12 may be welded into the base 3.
Further, the supporting block 122 is welded at the upper end of the lifting column 121, the supporting block 122 is an arc block, and the upper surface of the supporting block 122 is an arc surface for supporting the outer surface of the plug valve.
In this embodiment, as shown in fig. 6, a notch is formed on a side surface of the pipe body 12, a uniform tooth slot is formed on a side surface of the lifting column 121, a rotating rod 13 is transversely installed in the base 3 in a rotating manner, a second tooth body 132, a first tooth body 131 and a third tooth body 133 are sequentially fixed on the rotating rod 13, the second tooth body 132, the first tooth body 131 and the third tooth body 133 are coaxially arranged with the rotating rod 13, the second tooth body 132, the first tooth body 131 and the third tooth body 133 are sequentially arranged in a left-to-right order, the specifications of the first tooth body 131 and the second tooth body 132 are the same, and the diameter of the third tooth body 133 is larger than that of the first tooth body 131 or the second tooth body 132, wherein the first tooth body 131 and the second tooth body 132 are respectively meshed with the tooth slots on the two lifting columns 121.
Thus, the rotation of the rotating rod 13 can drive the first tooth 131 and the second tooth 132 to rotate simultaneously, and as the first tooth 131 and the second tooth 132 are respectively meshed with the tooth grooves on the two lifting columns 121, the two lifting columns 121 can be driven to rise or fall simultaneously, so that the two bearing blocks 122 are driven to rise or fall simultaneously.
Optionally, a rubber block is arranged on the upper surface of the bearing block 122, and is adhered and attached to the curved surface of the bearing block 122, so that the functions of buffering and protecting the plug valve are achieved, direct contact with the curved surface of the bearing block 122 is avoided, and abrasion is reduced.
In this embodiment, as shown in fig. 6, a toothed plate 141, a sliding rail 14 and an air cylinder 142 are further disposed in the base 3, wherein the sliding rail 14 is disposed right under the third tooth body 133, and the lower surface of the sliding rail 14 is welded on the inner bottom wall of the base 3, the length direction of the sliding rail 14 is perpendicular to the length direction of the third tooth body 133, the toothed plate 141 slides on the sliding rail 14, the tooth slot surface of the toothed plate 141 is located on the upper surface of the toothed plate 141, the length direction of the toothed plate 141 is identical to the length direction of the sliding rail 14, the air cylinder 142 is located on the back surface of the sliding rail 14, and the air cylinder 142 is fixed on the inner wall of the base 3, one end of the air cylinder 142 is fixed to the back surface of the toothed plate 141, the air cylinder 142 pushes the toothed plate 141 to move along the length direction of the sliding rail 14, wherein the air cylinder 142 is electrically connected with the control box 101 controls the extension and shortening of the air cylinder 142.
The extension or shortening of the cylinder 142 can drive the toothed plate 141 to move forward or backward on the sliding rail 14, so as to drive the third toothed body 133 to rotate clockwise or anticlockwise, and the rotating rod 13 drives the first toothed body 131 and the second toothed body 132 to rotate, so as to drive the two lifting columns 121 to lift or descend simultaneously.
It should be noted that, considering that the plug valve is directly placed on the base 3, two sides of the plug valve are lapped on the base 3, so that when grinding, two sides of the plug valve are directly stressed on the base 3, and the plug valve is worn. Therefore, the supporting mechanism 5 is designed to support the plug valve high, so that when the plug valves with different sizes are ground, the two sides of the plug valves with different sizes are not in direct contact with the base 3, the plug valves are protected, and abrasion is avoided.
When the plug valve is grinded, firstly, the plug valve is lifted onto the base 3, the two supporting blocks 122 simultaneously support the plug valve, at the moment, the lower end of the plug valve is required to be ensured to be positioned right above the second gear 8, then the air cylinder 142 is opened through the control box 101, the heights of the two supporting blocks 122 are adjusted, so that the heights of the plug valve are adjusted, the lower end of the plug valve is ensured to enter the interior of the ring body 10, after reaching a preset position, the air cylinder 142 is suspended, then the motor 7 is opened through the control box 101, the rotation direction of the motor 7 is controlled, the moving block simultaneously moves inwards, so that the lower end of the plug valve is clamped, grinding processing can be carried out, after the processing is finished, the control box 101 controls the motor 7 to rotate reversely, and the moving block simultaneously moves outwards and loosens the lower end of the plug valve, and finally, the plug valve can be moved.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (3)
1. The plug valve grinding device is characterized by comprising a workbench (1), at least one grinding component and at least one base (3), wherein the grinding components are in one-to-one correspondence with the bases (3);
the base (3) and the grinding assembly are arranged on the workbench (1), and the base (3) is respectively provided with a fixing mechanism (4) and a supporting mechanism (5);
the bearing mechanism (5) comprises two bearing blocks (122) and a driving structure, the two bearing blocks (122) are symmetrically arranged relative to the fixing mechanism (4), and the driving structure drives the two bearing blocks (122) to ascend or descend simultaneously so as to support the two opposite ends of the plug valve;
the fixing mechanism (4) is positioned on the upper surface of the workbench (1), and the lower end of the plug valve is fixed through the fixing mechanism (4);
the fixing mechanism (4) comprises a locking structure, a chassis (9), a ring body (10) and a plurality of moving blocks, and the ring body (10) is connected to the upper surface of the chassis (9);
a plurality of groove bodies matched with the moving blocks are uniformly formed on the ring body (10), and the ring bodies (10) are respectively and slidably arranged in the groove bodies;
the locking structure drives the plurality of moving blocks to move inwards or outwards simultaneously;
the locking structure comprises a second gear (8) and a plurality of cylinders (112);
the upper surface of each moving block is connected with one column (112);
the second gear (8) is arranged on the upper surface of the ring body (10) and is coaxially arranged with the ring body (10), a plurality of hole bodies (801) are arranged on the second gear (8) around the axis of the second gear (8), and the hole bodies (801) are strip-shaped holes;
the hole bodies (801) are in one-to-one correspondence with the columns (112), and each column (112) penetrates through one hole body (801);
the locking structure further comprises a first gear (6) and a motor (7), the first gear (6) is meshed with the second gear (8), the motor (7) is positioned below the first gear (6), and the output end of the motor (7) is fixed on the first gear (6);
the bearing mechanism (5) further comprises two pipe bodies (12), two lifting columns (121), a rotating rod (13), two small tooth bodies, a large tooth body and a toothed plate mechanism;
the pipe body (12) and the lifting column (121) are coaxially arranged, the bearing block (122) is fixed at the upper end of the lifting column (121), the bearing block (122) is an arc-shaped block, a notch is formed in the side face of the pipe body (12), and a tooth slot is formed in the side face of the lifting column (121);
the small tooth bodies and the large tooth bodies are coaxially fixed on the rotating rod (13), and the two small tooth bodies are respectively meshed with the tooth grooves on the two lifting columns (121);
the toothed plate mechanism drives the large tooth body to rotate;
the toothed plate mechanism comprises a toothed plate (141), a sliding rail (14) and a cylinder (142), wherein the toothed plate (141) slides on the sliding rail (14), a tooth groove surface of the toothed plate (141) is positioned on the upper surface of the toothed plate (141), the toothed plate (141) is meshed with the large toothed body, one end of the cylinder (142) is fixed with the toothed plate (141), and the cylinder (142) pushes the toothed plate (141) to move along the length direction of the sliding rail (14);
the movable block comprises a sliding block (11) and a locking block (111), the sliding block (11) is matched with the groove body, the locking block (111) is fixed on the inner side surface of the sliding block (11), and the inner side surface of the locking block (111) is a curved surface;
the chassis (9) is a circular ring disc, the chassis (9) and the ring body (10) are coaxially arranged, the outer diameter of the chassis (9) is larger than the outer diameter of the ring body (10), a plurality of sliding grooves (901) are uniformly formed in the upper surface of the chassis (9), the sliding grooves (901) correspond to the groove bodies one by one, and each sliding groove (901) is arranged along the length direction of the corresponding groove body;
the hole bodies (801) are sequentially opened around the axis of the second gear (8) at the same inclination angle;
the motor (7) drives the first gear (6) to rotate, so that the second gear (8) can be driven to rotate, the eight cylinders (112) are driven to simultaneously move inwards or outwards along with the rotation of the second gear (8), the moving block is driven to simultaneously move inwards or outwards, the effect of fixing or loosening the plug valve is achieved, the plug valves of different sizes can be fixed through the fixing mechanism (4), shaking is effectively prevented when the plug valves are ground, and machining precision is improved.
2. The plug valve grinding device according to claim 1, wherein the grinding assembly comprises a housing (2), a hydraulic control mechanism (201), a coupler (202) and a plug (203), the hydraulic control mechanism (201) is mounted on the housing (2), the coupler (202) is mounted on the hydraulic control mechanism (201), and the plug (203) is coaxially arranged with the coupler (202) and is mounted at the lower end of the coupler (202).
3. A plug valve grinding device according to claim 2, characterized in that the table (1) is provided with a control box (101), and the grinding assembly is electrically connected with the control box (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310500266.1A CN116197772B (en) | 2023-05-06 | 2023-05-06 | Plug valve grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310500266.1A CN116197772B (en) | 2023-05-06 | 2023-05-06 | Plug valve grinder |
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| Publication Number | Publication Date |
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| CN116197772A CN116197772A (en) | 2023-06-02 |
| CN116197772B true CN116197772B (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310500266.1A Active CN116197772B (en) | 2023-05-06 | 2023-05-06 | Plug valve grinder |
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| CN (1) | CN116197772B (en) |
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| CN116197772A (en) | 2023-06-02 |
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Address after: 611330 No. 6, Guanghua Road, Jinyuan Town, Dayi County, Chengdu, Sichuan Patentee after: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee after: Chengdu Chenggao Valve Co.,Ltd. Patentee after: Chengfeng FLOW-TECH Group Address before: 611330 No. 6, Guanghua Road, Jinyuan Town, Dayi County, Chengdu, Sichuan Patentee before: CHENGDU CHENGFENG VALVE Co.,Ltd. Patentee before: CHENGDU CHENG GAO VALVE Co.,Ltd. Patentee before: CHENGDU CHENGFENG FLOW-TECH GROUP Co.,Ltd. |
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