CN216991394U - Grinder is used in valve maintenance - Google Patents

Grinder is used in valve maintenance Download PDF

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Publication number
CN216991394U
CN216991394U CN202220838133.6U CN202220838133U CN216991394U CN 216991394 U CN216991394 U CN 216991394U CN 202220838133 U CN202220838133 U CN 202220838133U CN 216991394 U CN216991394 U CN 216991394U
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China
Prior art keywords
connecting rod
fixedly connected
grinder
valve maintenance
support
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CN202220838133.6U
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Chinese (zh)
Inventor
尹德富
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Tianjin Haitai Xinlong Technology Co ltd
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Tianjin Haitai Xinlong Technology Co ltd
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Abstract

The utility model relates to the technical field of grinders, in particular to a grinder for valve maintenance, which comprises a base, wherein a control rod penetrates through the inside of the base through a bearing, the surface of the control rod is fixedly connected with a gear, two sides of the gear are respectively engaged and connected with a rack, one end of the rack is fixedly connected with a first connecting rod, the top end of the first connecting rod is movably connected with a fixed frame, the top end of the base is fixedly connected with a support, the fixed frame penetrates through the spring and the inside of the support, one side of the support is fixedly connected with a second connecting rod, one end of the second connecting rod is movably connected with the first connecting rod, the top end of the base is fixedly connected with a support plate, the improved grinder for valve maintenance is used for respectively adjusting the distance between the two fixed frames through the matching of the first connecting rod and the support, and workpieces with different sizes are clamped by the grinder through different distances between the two fixed frames, the adaptability of the device is indirectly improved.

Description

Grinder is used in valve maintenance
Technical Field
The utility model relates to the technical field of grinders, in particular to a grinder for valve maintenance.
Background
The valve grinder is a processing device for grinding the inner and outer surfaces of a valve, and is mainly used for high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in workpieces.
The prior patent (publication number: CN 207930493U) discloses a valve grinder for online maintenance, which comprises a positioning plate, wherein the center of the positioning plate is provided with a through hole and a plurality of threaded holes, the positioning plate is fixed on the flange surface of a valve to be maintained through a first bolt, a transmission rod passes through the through hole, the upper end of the transmission rod is connected with an output shaft of a rotating motor, the lower end of the transmission rod is connected with a grinding head, the rotating motor is arranged on a motor mounting plate, the upper surface of the positioning plate is provided with a supporting plate, the supporting plate is provided with a vertical sliding rail, the motor mounting plate is provided with a sliding groove, the supporting plate is also provided with a vertical through groove, the motor mounting plate is also provided with a mounting hole, and the motor mounting plate is fixed on the supporting plate through a second bolt. The valve is simple in structure, convenient to carry and convenient for online maintenance of the valve; meanwhile, the valve maintenance device is wide in application range and suitable for online maintenance of different valves. The inventor finds the following problems in the prior art in the process of implementing the utility model: 1. when operators of the existing equipment need to polish a plurality of valves with different models, a plurality of models of valve grinding machines need to be assembled, so that the working time is increased, and the working efficiency is reduced; 2. at present, a part of grinders are completely carried out by both hands of manpower without a fixed adjusting device, and only can depend on experience and feeling operation of operators, so that the operation fatigue of both arms of the operators exists, and the grinding quality is easily reduced.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a grinder for valve maintenance, which solves the above problems in the prior art. In order to achieve the purpose, the utility model provides the following technical scheme: a grinder for valve maintenance comprises a base, wherein a control rod penetrates through the base through a bearing, a gear is fixedly connected to the surface of the control rod, racks are respectively meshed and connected to two sides of the gear, a first connecting rod is fixedly connected to one end of each rack, a fixing frame is movably connected to the top end of each first connecting rod, a support frame is fixedly connected to the top end of the base and penetrates through a spring and the inside of the support frame, a second connecting rod is fixedly connected to one side of the support frame, one end of each second connecting rod is movably connected with the corresponding first connecting rod, a support plate is fixedly connected to the top end of the base, a transverse plate is fixedly connected to one side of the support plate, a support plate is fixedly connected to one side of the support plate far away from the transverse plate, a motor is fixedly connected to the top end of the support plate, and a lead screw penetrates through the inside of the transverse plate through the bearing, and one end of the screw rod is fixedly connected with the output end of the motor, the surface of the screw rod is in threaded connection with a sliding block, the bottom end of the sliding block is fixedly connected with a telescopic rod, the bottom end of the telescopic rod is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with a grinding head.
Further preferably, the first connecting rod, the fixing frame, the spring, the bracket and the second connecting rod are symmetrical with each other about a vertical center line of the gear.
Further preferably, the central axes of the telescopic rod, the servo motor and the grinding head are consistent.
More preferably, the first and second connection bars have a Y-shaped structure.
Preferably, the bottom end of the transverse plate is provided with a slot, and the size of the slot is consistent with that of the sliding block.
Further preferably, the first connecting rod penetrates through the inside of the second connecting rod.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the distance between the two fixing frames is respectively adjusted through the matching of the first connecting rod and the support, workpieces with different sizes are clamped by the device through different distances between the two fixing frames, the adaptability of the device is indirectly improved, and the grinding head at the output end of the servo motor can be moved up and down through the expansion and contraction of the telescopic rod, so that the grinding head is attached to the edge of the workpiece.
According to the utility model, the two fixing frames at the top end are respectively moved towards the workpiece through the rotation of the first connecting rod, the edge of the workpiece is attached and clamped, the sliding block can move left and right under the limitation of the groove at the bottom end of the transverse plate through the matching of the motor and the screw rod, the gear and the rack are matched to drive the first connecting rod, the first connecting rod rotates around the central axis of the second connecting rod, and the fixing frames at the top end are driven while the first connecting rod rotates.
Drawings
FIG. 1 is a schematic front view of the internal structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic top view of the present invention.
In the figure: 1. a base; 2. a control lever; 3. a gear; 4. a rack; 5. a first connecting rod; 6. a fixed mount; 7. a spring; 8. a support; 9. a second connecting rod; 10. a support plate; 11. a transverse plate; 12. a support plate; 13. an electric motor; 14. a screw rod; 15. a slider; 16. a telescopic rod; 17. a servo motor; 18. a grinding head.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a grinder for valve maintenance comprises a base 1, a control rod 2 penetrates through the base 1 through a bearing, a gear 3 is fixedly connected to the surface of the control rod 2, two sides of the gear 3 are respectively engaged and connected with a rack 4, one end of the rack 4 is fixedly connected with a first connecting rod 5, the top end of the first connecting rod 5 is movably connected with a fixed frame 6, the top end of the base 1 is fixedly connected with a bracket 8, the fixed frame 6 penetrates through the spring 7 and the inside of the bracket 8, one side of the bracket 8 is fixedly connected with a second connecting rod 9, one end of the second connecting rod 9 is movably connected with the first connecting rod 5, the top end of the base 1 is fixedly connected with a supporting plate 10, one side of the supporting plate 10 is fixedly connected with a transverse plate 11, one side of the supporting plate 10, far away from the transverse plate 11, is fixedly connected with a supporting plate 12, the top end of the supporting plate 12 is fixedly connected with a motor 13, a screw rod 14 penetrates through the inside of the transverse plate 11 through a bearing, and one end of the screw rod 14 is fixedly connected with the output end of the motor 13, the surface of the screw rod 14 is in threaded connection with a slide block 15, the bottom end of the slide block 15 is fixedly connected with an expansion link 16, the bottom end of the expansion link 16 is fixedly connected with a servo motor 17, and the output end of the servo motor 17 is fixedly connected with a grinding head 18.
In this embodiment, as shown in fig. 1, 3, and 4, the first connecting rod 5, the fixing frame 6, the spring 7, the bracket 8, and the second connecting rod 9 are symmetrical with respect to the vertical center line of the gear 3, the distance between the two fixing frames 6 is adjusted by the cooperation of the first connecting rod 5 and the bracket 8, and the device clamps workpieces with different sizes by using different distances between the two fixing frames 6, thereby indirectly improving the adaptability of the apparatus.
In this embodiment, as shown in fig. 1, 2 and 3, the central axes of the telescopic rod 16, the servo motor 17 and the grinding head 18 are consistent, and the grinding head 18 at the output end of the servo motor 17 can be moved up and down by the telescopic rod 16, so that the grinding head 18 is attached to the edge of the workpiece.
In the present embodiment, as shown in fig. 2 and 4, the first link 5 and the second link 9 are Y-shaped structures, and the two holders 6 at the tip end are moved toward the workpiece by the rotation of the first link 5, respectively, and the edge of the workpiece is bonded and clamped.
In this embodiment, as shown in fig. 1, the bottom end of the transverse plate 11 is provided with a slot, and the size of the slot is consistent with that of the slider 15, so that the slider 15 can move left and right under the limitation of the slot at the bottom end of the transverse plate 11 through the cooperation of the motor 13 and the screw rod 14.
In this embodiment, as shown in fig. 2, the first connecting rod 5 penetrates through the second connecting rod 9, the first connecting rod 5 is driven by the cooperation of the gear 3 and the rack 4, the first connecting rod 5 rotates around the central axis of the second connecting rod 9, and the first connecting rod 5 rotates and simultaneously drives the fixing frame 6 at the top end.
The use method and the advantages of the utility model are as follows: this kind of mill for valve maintenance is when the rolling, and the working process is as follows:
as shown in fig. 1, 2, 3 and 4, firstly, a workpiece is placed on the top end of a base 1, then a control rod 2 is rotated, a first connecting rod 5 is respectively driven to rotate through the meshing connection of a gear 3 and a rack 4 on the surface, two fixing frames 6 are pushed by the cooperation of the first connecting rod 5, a spring 7 and a bracket 8, so that the distance between the fixing frames 6 is changed until the fixing frames 6 are attached to the side surfaces of the workpiece for fixing, after the workpiece is fixed, a sliding block 15 is moved to the upper part of the workpiece through the cooperation of a motor 13 and a screw rod 14, after the movement is finished, an operating telescopic rod 16 is moved downwards, the servo motor 17 and a grinding head 18 are also moved downwards simultaneously while the telescopic rod 16 is moved downwards, until the grinding head 18 is moved to the side surface attachment part of the workpiece for processing, the operating telescopic rod 16 after the workpiece is processed is retracted upwards, after the telescopic rod 16 is contracted, under the meshing connection of the gear 3 and the rack 4, the distance between the two fixing frames 6 is increased by the matching of the first connecting rod 5, the spring 7 and the bracket 8 under the rotating control rod 2, and the workpiece is loosened until the workpiece is taken out.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and the above-described embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a mill is used in valve maintenance, includes base (1), its characterized in that: the control device is characterized in that a control rod (2) penetrates through the base (1) through a bearing, a gear (3) is fixedly connected to the surface of the control rod (2), two sides of the gear (3) are respectively connected with a rack (4) in a meshed mode, one end of the rack (4) is fixedly connected with a first connecting rod (5), the top end of the first connecting rod (5) is movably connected with a fixing frame (6), the top end of the base (1) is fixedly connected with a support (8), the fixing frame (6) penetrates through the spring (7) and the support (8), one side of the support (8) is fixedly connected with a second connecting rod (9), one end of the second connecting rod (9) is movably connected with the first connecting rod (5), the top end of the base (1) is fixedly connected with a support plate (10), and one side of the support plate (10) is fixedly connected with a transverse plate (11), one side fixedly connected with extension board (12) of diaphragm (11) is kept away from in backup pad (10), top fixedly connected with motor (13) of extension board (12), lead screw (14) have been run through the bearing in the inside of diaphragm (11), and the output fixed connection of the one end of lead screw (14) and motor (13), the surperficial threaded connection of lead screw (14) has slider (15), the bottom fixedly connected with telescopic link (16) of slider (15), the bottom fixedly connected with servo motor (17) of telescopic link (16), and the output fixedly connected with bistrique (18) of servo motor (17).
2. A grinder for valve maintenance according to claim 1, wherein: the first connecting rod (5), the fixing frame (6), the spring (7), the bracket (8) and the second connecting rod (9) are symmetrical with respect to the vertical center line of the gear (3).
3. A grinder for valve maintenance according to claim 1, wherein: the central axes of the telescopic rod (16), the servo motor (17) and the grinding head (18) are consistent.
4. A grinder for valve maintenance according to claim 1, wherein: the first connecting rod (5) and the second connecting rod (9) are Y-shaped structures.
5. A grinder for valve maintenance according to claim 1, wherein: the bottom end of the transverse plate (11) is provided with a slot, and the size of the slot is consistent with that of the sliding block (15).
6. A grinder for valve maintenance according to claim 1, wherein: the first connecting rod (5) penetrates through the second connecting rod (9).
CN202220838133.6U 2022-04-13 2022-04-13 Grinder is used in valve maintenance Active CN216991394U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220838133.6U CN216991394U (en) 2022-04-13 2022-04-13 Grinder is used in valve maintenance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220838133.6U CN216991394U (en) 2022-04-13 2022-04-13 Grinder is used in valve maintenance

Publications (1)

Publication Number Publication Date
CN216991394U true CN216991394U (en) 2022-07-19

Family

ID=82377258

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220838133.6U Active CN216991394U (en) 2022-04-13 2022-04-13 Grinder is used in valve maintenance

Country Status (1)

Country Link
CN (1) CN216991394U (en)

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