CN221111499U - Special device for online processing and detecting valve rod - Google Patents

Special device for online processing and detecting valve rod Download PDF

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Publication number
CN221111499U
CN221111499U CN202323046510.6U CN202323046510U CN221111499U CN 221111499 U CN221111499 U CN 221111499U CN 202323046510 U CN202323046510 U CN 202323046510U CN 221111499 U CN221111499 U CN 221111499U
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China
Prior art keywords
valve rod
clamping plate
valve
plate
processing
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CN202323046510.6U
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Chinese (zh)
Inventor
俞飞
王宇翔
王兰群
罗世洪
姜旭
袁晟毅
陈时健
刘平
仇晓伟
苏丽华
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Nuclear Power Institute of China
CNNC Sufa Technology Industry Co Ltd
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Nuclear Power Institute of China
CNNC Sufa Technology Industry Co Ltd
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Priority to CN202323046510.6U priority Critical patent/CN221111499U/en
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Abstract

The utility model belongs to the technical field of valve manufacturing, specifically speaking relates to a special device for valve rod on-line processing and detection. A isolated plant for valve rod on-line processing and detection, wherein, including auxiliary splint, hexagon socket head cap screw, plate, lock bolt, plate and auxiliary splint respectively have two, form cuboid type part, lock bolt runs through the plate, hexagon socket head cap screw sets up on auxiliary splint. The novel remarkable effect is: the main structure adopts the lightweight design, and the material is the aluminum product, and processing is convenient, light and portable. The design of the left and right split double-clamping plates can ensure that two valve rods are installed and processed simultaneously, and the processing efficiency is improved. The positioning error of the device and the valve rod is controlled within 0.005mm, and the device is matched with the design of four clamping bolts, so that the device is accurate in positioning and firm in clamping, and can effectively solve the problem of positioning looseness in the processing process, and the valve rod can not generate any displacement during processing.

Description

Special device for online processing and detecting valve rod
Technical Field
The utility model belongs to the technical field of valve manufacturing, specifically speaking relates to a special device for valve rod on-line processing and detection.
Background
The valve rod is used as one of the core parts of the valve, and the processing quality of the valve rod determines the overall performance of the valve product to a certain extent. The valve stem is an elongated stem structure whose machining is a special process, and the parts of the elongated stem structure are commonly used to manufacture elongated and complex shaped workpieces. Because of the characteristics of large ratio of the length to the diameter of the slender shaft, poor rigidity and the like, the slender shaft is easy to bend in the production and processing, and the defects of waist drum shape, polygon, cone shape, ellipse, spiral ripple and the like are easy to occur. If the valve rod is clamped by a traditional chuck in the processing, the problems are very easy to occur, the quality of products is greatly reduced, the yield is reduced, and the production and processing cost is improved. Therefore, how to avoid the deformation of the valve rod in the processing process, improve the productivity and quality of the valve rod, reduce the production cost is a technical problem which needs to be solved currently.
Disclosure of utility model
The novel content is according to the processing and the detection requirement of valve rod, provides a special device for valve rod on-line processing and detection.
The novel implementation is as follows: a isolated plant for valve rod on-line processing and detection, wherein, including auxiliary splint, hexagon socket head cap screw, plate, lock bolt, plate and auxiliary splint respectively have two, form cuboid type part, lock bolt runs through the plate, hexagon socket head cap screw sets up on auxiliary splint.
The special device for online machining and detecting the valve rod is characterized in that the left side and the right side of the main clamping plate are respectively provided with four threaded holes and a semicircular groove structure, and the four threaded holes and the semicircular groove structure are matched with the inner hexagon bolt and the valve rod respectively and used for rough machining and electric spark finish machining of the valve rod.
The special device for online processing and detecting the valve rod is characterized in that two countersunk threaded holes are formed in two side faces of the main plate and are used for screwing in the locking bolt, and two hollow penetrating holes are formed in the top and matched with the valve rod and are used for detecting the placement of the valve rod.
The special device for online processing and detecting the valve rod is characterized in that a nylon ring is arranged at the bottom of the locking bolt and used for protecting the outer surface of the valve rod.
The special device for online processing and detecting the valve rod is characterized in that the nylon ring at the bottom of the locking bolt is fixed in a sticking mode.
The special device for online processing and detecting the valve rod is characterized in that a semicircular groove structure is arranged on one side of the auxiliary clamping plate, the auxiliary clamping plate is matched with the semicircular groove structure on the main clamping plate to form a complete circle, the auxiliary clamping plate clamps the cylindrical surface of the valve rod together, and in addition, four through holes are formed in the auxiliary clamping plate and used for inserting the hexagon socket head cap bolts.
The special device for online machining and detecting the valve rod is characterized in that the roundness of the semicircular grooves of the main clamping plate and the auxiliary clamping plate and the flatness of the upper surface are kept within 0.005mm, and the tolerance of the penetrating inner hole at the top of the main clamping plate is controlled within 0.005 mm.
The novel remarkable effect is: the main structure adopts the lightweight design, and the material is the aluminum product, and processing is convenient, light and portable. The design of the left and right split double-clamping plates can ensure that two valve rods are installed and processed simultaneously, and the processing efficiency is improved. The positioning error of the device and the valve rod is controlled within 0.005mm, and the device is matched with the design of four clamping bolts, so that the device is accurate in positioning and firm in clamping, and can effectively solve the problem of positioning looseness in the processing process, and the valve rod can not generate any displacement during processing. The cavity runs through the design on the main plate, can effectively improve valve rod detection efficiency through porous installation valve rod, the locking bolt structure of main plate both sides simultaneously can realize the quick assembly and disassembly of valve rod, and the location is accurate, and is firm reliable, ensures the straightness that hangs down when the valve rod detects, improves its stability when detecting.
Drawings
Fig. 1 is an assembled front view of the special device for on-line machining and detecting of valve rods provided by the invention when the special device is used for machining.
FIG. 2 is an assembled left side view of the present novel provided dedicated device for on-line machining and inspection of valve stems as it is used in machining;
FIG. 3 is an assembled top view of the present novel provided dedicated device for on-line machining and inspection of valve stems as it is used in machining;
FIG. 4 is an assembled front view of the special device for on-line machining and detection of valve stems provided by the present invention when used for on-line detection;
FIG. 5 is an assembled top view of the special apparatus for on-line machining and inspection of valve stems provided by the present invention when used for on-line inspection;
FIG. 6 is a front view of the novel apparatus for on-line machining and inspection of valve stems;
fig. 7 is a front view of the special device for online processing and detecting the valve rod provided by the invention during online detection.
Wherein 1, the auxiliary clamping plate; 2. an inner hexagon bolt; 3. a main plate; 4. a locking bolt.
Detailed Description
A special device for valve rod on-line processing and detection comprises an auxiliary clamping plate, an inner hexagon bolt, a main clamping plate and a locking bolt. The main plate and the auxiliary plate are matched to clamp the cylindrical surface of the valve rod, and are clamped by four inner hexagon bolts, so that the clamping problem of the valve rod during processing is solved, and two locking bolts are arranged on two sides of the main plate and used for tightly jacking the valve rod, so that the problem of tightly jacking the valve rod during detection after processing is solved.
The special device for online machining and detecting the valve rod is characterized in that the left side and the right side of the main clamping plate are respectively provided with four threaded holes and a semicircular groove structure, and the four threaded holes and the semicircular groove structure are matched with the inner hexagon bolt and the valve rod respectively and used for rough machining and electric spark finish machining of the valve rod.
The special device for online processing and detecting the valve rod is characterized in that two countersunk threaded holes are formed in two side faces of the main clamping plate and used for being screwed into the locking bolt, and two hollow penetrating holes are formed in the top and matched with the outer circle of the valve rod, so that the valve rod can be conveniently placed and detected.
The special device for online processing and detecting the valve rod is characterized in that a nylon ring is adhered to the bottom of the locking bolt and used for protecting the outer surface of the valve rod when the locking bolt is tightly pressed.
The special device for online processing and detecting the valve rod is characterized in that a semicircular groove structure is arranged on one side of the auxiliary clamping plate, the auxiliary clamping plate is matched with the semicircular groove structure on the main clamping plate to form a complete circle, the auxiliary clamping plate clamps the cylindrical surface of the valve rod together, and in addition, four through holes are formed in the auxiliary clamping plate and used for inserting the hexagon socket head cap bolts.
The special device for online machining and detecting the valve rod is characterized in that the roundness of the semicircular grooves of the main clamping plate and the auxiliary clamping plate and the flatness of the upper surface are kept within 0.005mm, and the tolerance of the penetrating inner hole at the top of the main clamping plate is controlled within 0.005 mm.
A specific example is given below.
The utility model provides a pair of a special device for valve rod on-line processing and detection, including auxiliary clamp plate 1, hexagon socket head cap screw 2, main clamp plate 3, locking bolt 4. The valve rod is clamped by the auxiliary clamping plate 1 and the main clamping plate 3 in a half way, and the auxiliary clamping plate 1 and the main clamping plate 3 are connected through threads by adopting an inner hexagon bolt 2; the two side holes of the main clamping plate 3 are threaded holes for being screwed into the locking bolts 4, and the valve rod is tightly fixed by the locking bolts 4 at the two sides in a matched and propped manner.
The specific working process of the novel device is as follows:
1. Firstly, when the valve rod is roughly processed, the holes on the auxiliary clamping plate 1 and the main clamping plate 3 are aligned, the inner hexagon bolts 2 at two opposite angles are screwed first, the excessive tightening is not needed, and the alignment of the holes on the auxiliary clamping plate 1 and the main clamping plate 3 is ensured.
2. The valve rod is placed into a hole formed by matching the auxiliary clamping plate 1 and the main clamping plate 3, the valve rod is kept vertically, the valve rod is carefully knocked, when the lower surface of the top end of the valve rod is overlapped with the upper surfaces of the auxiliary clamping plate 1 and the main clamping plate 3, the other diagonal inner hexagon bolts 2 are screwed in, and finally the four inner hexagon bolts 2 are screwed in, so that the assembly methods of the left side and the right side of the main clamping plate 3 are the same as shown in fig. 1.
3. The assembly of the special device for rough machining is put into a parallel vice for machining, both ends of the vice clamp both sides of the main clamping plate 3, and after clamping, rough machining of the spherical surface of the top end of the valve rod can be performed, as shown in fig. 6.
4. After the rough machining of the valve rod is finished, the assembly body is not required to be disassembled, and the electric spark finish machining can be directly performed after the surface of the valve rod is cleaned.
5. After finishing electric spark finish machining, whether the spherical surface at the top end of the valve rod meets the requirement or not needs to be detected on line, all the hexagon socket head cap bolts 2 are unscrewed, and the valve rod is taken out and placed into a hole at the top end of the main clamping plate 3.
6. The bottom of the locking bolt 4 is stuck with double faced adhesive tape, and then the other surface of the double faced adhesive tape is stuck with a nylon ring for protecting the valve rod, avoiding the bolt from scratching the outer surface of the valve rod, simultaneously screwing the locking bolt 4 from the left side and the right side of the main plate 3, and matching the locking bolt 4 with a flat groove on the valve rod, so as to achieve the purpose of tightly propping the valve rod, as shown in fig. 4.
7. The assembly body used for the on-line detection by the special device is put into the bench vice for detection, and the two sides of the main clamping plate 3 are clamped, so that the on-line detection of the spherical surface of the top end of the valve rod can be performed, as shown in fig. 7.
The above-described embodiments are intended to illustrate the present invention rather than limit it, and any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims fall within the scope of the present invention.

Claims (7)

1. A isolated plant for valve rod on-line processing and detection, its characterized in that: including vice splint (1), hexagon socket head cap screw (2), main plate (3), locking bolt (4), main plate (3) and vice splint (1) respectively have two, form cuboid type part, and locking bolt (4) run through main plate (3), and hexagon socket head cap screw (2) set up on vice splint (1).
2. A special device for on-line machining and detecting of valve stems as claimed in claim 1, wherein: the left side and the right side of the main clamping plate (3) are respectively provided with four threaded holes and a semicircular groove structure, and the structures are respectively matched with the inner hexagon bolt (2) and the valve rod and are used for rough machining and electric spark finish machining of the valve rod.
3. A special device for on-line machining and detecting of valve stems as claimed in claim 2, wherein: two countersunk threaded holes are formed in two side faces of the main clamping plate (3) and used for being screwed into the locking bolt (4), and two hollow penetrating holes are formed in the top and matched with the valve rod and used for detecting the placement of the valve rod.
4. A special device for on-line machining and testing of valve stems as claimed in claim 3, wherein: and a nylon ring is arranged at the bottom of the locking bolt (4) and used for protecting the outer surface of the valve rod.
5. A special apparatus for on-line machining and testing of valve stems as set forth in claim 4, wherein: the nylon ring at the bottom of the locking bolt (4) is fixed in a pasting mode.
6. A special apparatus for on-line machining and testing of valve stems as set forth in claim 5, wherein: one side of the auxiliary clamping plate (1) is provided with a semicircular groove structure which is matched with the semicircular groove structure on the main clamping plate (3) to form a whole circle and clamp the cylindrical surface of the valve rod together, and in addition, the auxiliary clamping plate (1) is provided with four through holes for inserting the inner hexagon bolts (2).
7. A special apparatus for on-line machining and testing of valve stems as set forth in claim 6, wherein: the roundness of the semicircular grooves and the flatness of the upper surfaces of the main clamping plate (3) and the auxiliary clamping plate (1) are kept within 0.005mm, and the tolerance of the penetrating inner hole at the top of the main clamping plate (3) is controlled within 0.005 mm.
CN202323046510.6U 2023-11-13 2023-11-13 Special device for online processing and detecting valve rod Active CN221111499U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323046510.6U CN221111499U (en) 2023-11-13 2023-11-13 Special device for online processing and detecting valve rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323046510.6U CN221111499U (en) 2023-11-13 2023-11-13 Special device for online processing and detecting valve rod

Publications (1)

Publication Number Publication Date
CN221111499U true CN221111499U (en) 2024-06-11

Family

ID=91374658

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323046510.6U Active CN221111499U (en) 2023-11-13 2023-11-13 Special device for online processing and detecting valve rod

Country Status (1)

Country Link
CN (1) CN221111499U (en)

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