A valve body machining, cutting and fixing device and method for a rotary ball valve

Abstract

The present invention relates to the technical field of ball-spinning valve processing, and more specifically, to a valve body processing, cutting and fixing device and method for a ball-spinning valve, including a stress adjustment mechanism between two cutting mechanisms, the stress adjustment mechanism including two side edge components and a covering, the two side edge components drive the covering to connect with a laser cutting rod head, when the laser cutting rod head cuts the valve body material from bottom to top, the covering can timely fix the cut valve body, and at the same time, the covering can also balance the cutting thermal stress of the valve body, and reduce the breakage of the valve body material during cutting. The present invention utilizes the side edge component to connect the covering to the laser cutting rod head, and in the process of the laser cutting rod head cutting from the bottom of the valve body material to the upper end of the valve body material, it can drive the covering to wrap and fix the cut valve body, and the wrapping of the covering can also balance the thermal stress generated during the cutting of the valve body, and reduce the damage of the valve body material during cutting.

Description

Technical Field

[0001] The invention relates to the technical field of ball-spinning valve processing, in particular to a valve body processing, cutting and fixing device and method for a ball-spinning valve. Background Art

[0002] The rotary ball valve is a commonly used valve type with unique structural and performance characteristics. The rotary ball valve is mainly composed of a valve body, a valve cover, a valve stem, a valve core, a valve seat and other parts. The valve body is usually a cast or forged cylindrical structure with a fluid channel inside.

[0003] The processing flow of the rotary ball valve body is usually to prepare suitable raw materials first, obtain the blank by casting or forging, then perform preliminary low-precision cutting, and then perform heat treatment to improve the performance, and then perform fine turning, milling and other processing. During the cutting process, a fixing device is needed to fix the valve body to ensure the precision and accuracy of the cutting;

[0004] In the manufacturing process of the rotary ball valve body, the initial cutting is in the low-precision range. In order to improve the processing efficiency of the rotary ball valve body, the existing technology often cuts the valve body on both sides (when the single-side cutting is not completely completed, the other side of the valve body material is cut). Although this cutting method greatly improves the cutting efficiency, it is easy to cause uneven stress distribution, thereby causing the valve body material to be damaged. Therefore, how to achieve efficient double-sided laser cutting while effectively solving the problem of valve body damage caused by uneven stress has become a difficult problem that needs to be overcome in the production and processing of the rotary ball valve body;

[0005] In view of this, we propose a valve body machining, cutting and fixing device and method for a rotary ball valve. Summary of the invention

[0006] The object of the present invention is to provide a valve body machining, cutting and fixing device and method for a rotary ball valve, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned object, one of the objects of the present invention is to provide a valve body processing, cutting and fixing device for a rotary ball valve, comprising a frame body, wherein the frame body comprises a bottom frame and two side plate frames, wherein the two side plate frames are respectively located at the top of both ends of the bottom frame, the two side plate frames are fixedly connected to the bottom frame, and two tracks are provided inside the two side plate frames;

[0008] A cutting mechanism is installed inside the two side plate frames, and the cutting mechanism is composed of a laser cutting rod head and a starting assembly. Two laser cutting rod heads are provided, which are respectively located inside the two tracks. The starting assembly is used to drive the two laser cutting rod heads to perform bilateral cutting on the valve body material.

[0009] A stress adjustment mechanism is connected between the two cutting mechanisms, and the stress adjustment mechanism includes two side edge components and a wrapping member, and a fixing cavity is formed in the middle of the wrapping member;

[0010] The wrapping piece is located between the two side edge components. The two side edge components can drive the wrapping piece to connect with the laser cutting rod head. When the laser cutting rod head cuts the valve body material from bottom to top, the wrapping piece can fix the cut valve body in time. At the same time, the wrapping piece can also balance the cutting thermal stress of the valve body and reduce the breakage of the valve body material during cutting.

[0011] Both ends of the wrapping member close to the side edge member are provided with loose-leaf members, and when the wrapping member wraps and fixes the valve body, the loose-leaf members can disrupt the airflow in the fixed cavity and dissipate heat inside the fixed cavity.

[0012] As a further improvement of the technical solution, the starting assembly includes a top support plate fixedly mounted on the upper end surface of the side plate frame, a screw rod is rotatably arranged between the top support plate and the bottom frame, a side groove is opened in the middle of the side end of the bottom frame, one end of the screw rod close to the side groove is fixedly connected to the output shaft of the motor, and the motor is mounted inside the side groove;

[0013] A sleeve plate is sleeved on the surface of the screw rod, and the sleeve plate is fixedly connected to the slide rod on one side close to the side plate frame. The slide rod is a hollow structure, and the ends of the two laser-cut rod heads slide symmetrically inside the slide rod.

[0014] As a further improvement of the present technical solution, the side edge assembly includes a rotation groove opened on the surface of the laser-cut rod head, and the rotation groove is located inside the track. A ring is rotatably provided inside the rotation groove, and a connecting page is fixedly connected to the bottom of the ring. The bottom end of the connecting page is fixedly connected to the top of the side end of the wrapping piece, and the connecting page and the wrapping piece are made of the same material.

[0015] As a further improvement of the present technical solution, the stress allocation mechanism also includes two bottom cavities opened on the top of the base frame, the interiors of the two bottom cavities are fixedly connected with a central axis, the surfaces of the two central axes are sleeved with clockwork springs, one end of the clockwork spring is fixedly connected to the surface of the central axis, and the other end of the clockwork spring is fixedly connected to the end of the covering member.

[0016] As a further improvement of the present technical solution, the loose-leaf assembly includes a heat dissipation hole opened inside one end of the wrapping member near the laser cutting rod head, and a plurality of loose-leaf plates are arranged inside the heat dissipation hole, and the middle parts of both ends of the plurality of loose-leaf plates are connected to the inner wall of the heat dissipation hole.

[0017] As a further improvement of the technical solution, a limiting groove is provided on the surface of one end of the side plate frame close to the screw rod, and one end of the sliding rod close to the side plate frame is fixedly connected to the limiting rod, and the limiting rod can slide inside the limiting groove.

[0018] As a further improvement of the technical solution, a plurality of intracavity pressure plates are installed on the inner wall of the track, and the supporting parts of the intracavity pressure plates are elastic structures.

[0019] As a further improvement of the technical solution, a telescopic rod is installed on the inner wall of one side of the track close to the bottom cavity, and a clamping plate is fixedly connected to one end of the telescopic rod away from the inner wall of the track.

[0020] The second object of the present invention is to provide a method for operating a valve body machining, cutting and fixing device including the above-mentioned rotary ball valve, comprising the following method steps:

[0021] S1. First, place the valve body material to be cut on the top of the two protrusions at the middle end of the chassis. Before cutting, ensure that the laser cutting rod heads on both sides are at the lowest position. When the laser cutting rod heads are at the lowest position, the wrapping piece is located inside the chassis.

[0022] S2. When cutting, the laser cutting rod head is powered on externally to ensure that it can be used normally, and then the starting component is turned on to drive the laser cutting rod head to laser cut the valve body material from bottom to top;

[0023] S3. When the laser cutting rod head is lifted and running, the wrapping piece can slide inside the track through the side edge assembly to achieve the effect of timely wrapping and fixing the cut valve body. At the same time, wrapping and fixing the cut valve body can also balance the thermal stress generated during the cutting process and reduce the damage of the valve body.

[0024] S4. When the covering piece is stretched and started, the hinge assembly located at the side end of the covering piece is started synchronously, which can increase the flow of air in the fixed cavity, expand the range of airflow exchange, significantly improve the heat dissipation efficiency inside the fixed cavity, and effectively solve the problem of excessive temperature caused by heat accumulation in the fixed cavity after the valve body is cut.

[0025] Compared with the prior art, the present invention has the following beneficial effects:

[0026] 1. In the valve body processing, cutting and fixing device and method of the rotary ball valve, the preliminary cutting contour of the valve body can be controlled by two side plate frames arranged at the top of the bottom frame, and at the same time, combined with the starting component connected to the laser cutting rod head, the effect of cutting the valve body material on both sides at the same time can be achieved, which can ensure the synchronization and consistency of cutting. The synchronous cutting method on both sides helps to increase production and improve efficiency;

[0027] 2. In the valve body processing, cutting and fixing device and method of the rotary ball valve, the wrapping piece can be connected to the laser cutting rod head by using the side edge assembly. When the laser cutting rod head cuts from the bottom of the valve body material to the upper end of the valve body material, the wrapping piece can be driven to wrap and fix the cut valve body. At the same time, the wrapping of the wrapping piece can also balance the thermal stress generated during the cutting of the valve body, thereby reducing the damage of the valve body material during cutting.

[0028] 3. In the valve body processing, cutting and fixing device and method of the rotary ball valve, during the process of the covering member wrapping the valve body, the loose-leaf assembly arranged inside the covering member can be driven to start. At this time, the loose-leaf plates in the loose-leaf assembly will rotate along with the sliding of the covering member, thereby assisting the gas flow inside the fixed cavity, thereby achieving the purpose of heat dissipation in the fixed cavity. The cut valve body is in the fixed cavity, which also achieves heat dissipation for the cut valve body to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the valve body raw material cutting structure of the present invention;

[0031] Figure 3 It is a schematic diagram of the structure of the starting component of the present invention;

[0032] Figure 4 It is a side cross-sectional view of the laser cutting club head lifting cutting of the present invention;

[0033] Figure 5 For the present invention Figure 2 A schematic diagram of the structure at A;

[0034] Figure 6 For the present invention Figure 4 Schematic diagram of the structure at B;

[0035] Figure 7 It is a schematic diagram of the structure of the side edge assembly of the present invention;

[0036] Figure 8 It is a schematic diagram of the structure of the loose-leaf assembly of the present invention.

[0037] The meaning of each number in the figure is:

[0038] 1. Frame; 11. Side frame; 12. Track; 13. Base frame;

[0039] 2. Cutting mechanism; 21. Laser cutting rod head; 22. Starting assembly; 221. Top support plate; 222. Sleeve plate; 223. Screw rod; 224. Side groove; 225. Sliding rod;

[0040] 3. stress adjustment mechanism; 31. wrapping member; 32. side edge assembly; 33. loose-leaf assembly; 34. bottom cavity; 35. center axis; 36. fixed cavity; 321. rotating groove; 322. sleeve ring; 323. connecting leaf; 331. heat dissipation hole; 332. loose-leaf plate;

[0041] 4. Limiting groove; 41. Limiting rod;

[0042] 5. Intracavity pressure plate;

[0043] 6. Splint; 61. Telescopic rod. DETAILED DESCRIPTION

[0044] The following will be combined with the accompanying drawings in the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0046] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0047] Example 1

[0048] See also Figure 1 , Figure 2 , Figure 4 and Figure 7As shown, the purpose of this embodiment is to provide a valve body processing, cutting and fixing device for a rotary ball valve, including a frame body 1, the frame body 1 includes a base frame 13 and two side plate frames 11, the two side plate frames 11 are respectively located at the top of both ends of the base frame 13, the two side plate frames 11 are fixedly connected to the base frame 13, two tracks 12 are provided inside the two side plate frames 11, and cutting mechanisms 2 are installed inside the two side plate frames 11. The cutting mechanism 2 is composed of a laser cutting rod head 21 and a starting component 22. Two laser cutting rod heads 21 are provided, which are respectively located inside the two tracks 12. The starting component 22 is used to drive the two laser cutting rod heads 21 to perform bilateral cutting on the valve body material. A stress adjustment mechanism 3 is connected between the two cutting mechanisms 2. The stress allocation mechanism 3 includes two side edge components 32 and a wrapping member 31. A fixed cavity 36 is formed in the middle of the wrapping member 31. The wrapping member 31 is located between the two side edge components 32. The two side edge components 32 can drive the wrapping member 31 to connect with the laser cutting rod head 21. When the laser cutting rod head 21 cuts the valve body material from bottom to top, the wrapping member 31 can fix the cut valve body in time. At the same time, the wrapping member 31 can also balance the cutting thermal stress of the valve body and reduce the breakage of the valve body material during cutting. The wrapping member 31 is provided with loose-leaf components 33 at both ends close to the side edge components 32. When the wrapping member 31 wraps and fixes the valve body, the loose-leaf components 33 can disrupt the airflow in the fixed cavity 36 and dissipate heat inside the fixed cavity 36.

[0049] Among them, the laser cutting rod head 21 cuts the valve body material through a high-power density laser beam. Its working principle is: the laser generates a high-energy laser beam, and the laser beam is focused on the surface of the material through a focusing system. When the laser beam is irradiated to the surface of the material, the material will absorb the energy of the laser and quickly heat up to reach the melting point or boiling point of the material. The material will melt, vaporize or ablate at high temperature to form holes. The laser cutting rod head 21 is an external power input (not shown in the figure).

[0050] The valve body of the rotary ball valve is cylindrical. During the processing of the valve body of the rotary ball valve, the valve body needs to be initially cut. Although the initial cutting accuracy is low, for the convenience of subsequent processing, the valve body also needs to be symmetrically cut. In view of this, the specific structure of the starting component 22 is disclosed in combination with the above structure. The starting component 22 includes a top support plate 221 fixedly mounted on the upper end surface of the side plate frame 11, and a screw rod 223 is rotatably arranged between the top support plate 221 and the bottom frame 13. A side groove 224 is opened in the middle of the side end of the bottom frame 13. One end of the screw rod 223 close to the side groove 224 is fixedly connected to the output shaft of the motor, and the motor is installed inside the side groove 224.

[0051] A sleeve plate 222 is sleeved on the surface of the screw rod 223 . The sleeve plate 222 is fixedly connected to a slide rod 225 on one side close to the side plate frame 11 . The slide rod 225 is a hollow structure. The ends of the two laser-cut rod heads 21 slide symmetrically inside the slide rod 225 .

[0052] Combination Figure 3 As shown, when the motor is started, the screw rod 223 coaxially connected to the motor output shaft can be driven to rotate between the top support plate 221 and the bottom frame 13. When the screw rod 223 rotates, the sleeve plate 222 sleeved on its surface slides vertically between the top support plate 221 and the bottom frame 13. Since the end of the sleeve plate 222 away from the screw rod 223 is fixedly connected to the sliding rod 225, when the sleeve plate 222 slides, the connecting belt sliding rod 225 also slides vertically. Because the ends of the two laser cutting rod heads 21 slide inside the sliding rod 225 of the hollow structure, and the ends of the two laser cutting rod heads 21 away from the sliding rod 225 are located inside the track 12, therefore, when the sleeve plate 222 slides vertically with the rotation of the screw rod 223, the ends of the two laser cutting rod heads 21 close to the side plate frame 11 can slide along the track 12. At this time, the two laser cutting rod heads 21 slide synchronously in the same direction, and the valve body raw material is synchronously and symmetrically cut on both sides, which can also reduce the deformation of the valve body during the cutting process to a certain extent.

[0053] The two laser cutting rod heads 21 slide synchronously in the same direction, and the valve body raw material is cut synchronously and symmetrically on both sides. The reason why the deformation of the valve body during the cutting process can be reduced is that, firstly, the synchronous and symmetrical cutting on both sides makes the force on the valve body during the cutting process balanced on the left and right sides. If one side is cut, the valve body is easily affected by the cutting force and thermal stress on one side, resulting in displacement or distortion to the cutting side. However, in the synchronous cutting on both sides, the forces offset each other, reducing the displacement and deformation of the valve body as a whole. Secondly, laser cutting generates heat. When the bilateral synchronous cutting is performed, the heat is distributed relatively evenly on both sides of the valve body, which can reduce the difference in thermal expansion caused by excessive heat on one side, thereby reducing deformation caused by uneven thermal stress. Thirdly, cutting on both sides at the same time helps to disperse the thermal stress generated by the cutting to both sides of the valve body instead of concentrating it on one side, thereby reducing the degree of deformation caused by local stress concentration. Therefore, the synchronous and symmetrical cutting of the valve body raw material on both sides can reduce the deformation of the valve body during the cutting process to a certain extent.

[0054] When the laser cutting rod head 21 slides inside the track 12 driven by the starting component 22 to cut the valve body material, it can drive the wrapping member 31 to start synchronously. The wrapping member 31 is connected to the laser cutting rod head 21 through the side edge component 32. Therefore, it is necessary to disclose the specific structure of the side edge component 32. The side edge component 32 includes a rotating groove 321 opened on the surface of the laser cutting rod head 21, and the rotating groove 321 is located inside the track 12. A ring 322 is provided inside the rotating groove 321. The bottom of the ring 322 is fixedly connected to a connecting page 323. The bottom end of the connecting page 323 is fixedly connected to the top of the side end of the wrapping member 31. The connecting page 323 and the wrapping member 31 are made of the same material.

[0055] See also Figure 7 It can be known that a ring 322 is rotatably provided in the rotating groove 321 opened on the surface of the laser cutting rod head 21, and the end of the ring 322 away from the laser cutting rod head 21 is fixedly connected to the side end top of the wrapping member 31 through the connecting page 323, so that when the laser cutting rod head 21 moves from bottom to top along the track 12 for cutting, the wrapping member 31 can be driven to start accordingly. Since the valve body needs to be cut into a circular state, the track 12 is arc-shaped as a whole. When the laser cutting rod head 21 slides to a position with a larger arc bend, the ring 322 can rotate therewith inside the rotating groove 321, so that the wrapping member 31 can be more conveniently started along the inner wall of the track 12, thereby improving the wrapping and fixing effect of the valve body.

[0056] Since the laser cut rod head 21 moves from bottom to top, the wrapping member 31 can be stretched through the side edge assembly 32, and considering the contraction of the wrapping member 31 when the laser cut rod head 21 slides down to its original position, in view of this, the stress adjustment mechanism 3 is further disclosed in combination with the above structure. The stress adjustment mechanism 3 also includes two bottom cavities 34 opened on the top of the base frame 13, and the interiors of the two bottom cavities 34 are fixedly connected to the central axis 35, and the surfaces of the two central axes 35 are both sleeved with clockwork springs, one end of the clockwork spring is fixedly connected to the surface of the central axis 35, and the other end of the clockwork spring is fixedly connected to the end of the wrapping member 31.

[0057] Depend on Figure 4 As shown, one end of the wrapping member 31 away from the laser cutting rod head 21 is connected to the central axis 35 through a spring. When the laser cutting rod head 21 cuts the valve body material from bottom to top, the wrapping member 31 can be stretched as the laser cutting rod head 21 slides. At this time, the spring at the end of the wrapping member 31 is in a stretched and contracted state. When the laser cutting rod head 21 slides toward the lower end, the tension on the wrapping member 31 is reduced, and the spring loses the tension and rebounds, driving the wrapping member 31 to be recovered into the bottom cavity 34, thereby realizing the storage of the wrapping member 31.

[0058] When the wrapping piece 31 is stretched as the laser cutting rod head 21 is started, the two ends of the wrapping piece 31 are in a straight state and fit with the inner wall of the track 12. Therefore, the wrapping piece 31 can be timely fitted, wrapped and fixed to the cut valve body along the cutting surface, which can protect the cut surface from damage by cutting flying chips and cutting slag, and at the same time balance the cutting thermal stress, reduce the risk of cracks and damage, and wrap the cut surface of the cut valve body, thereby increasing the safety of operation.

[0059] It needs to be disclosed that the main function of the wrapping 31 is to fix the cut valve body and to balance the cutting thermal stress. In addition, the wrapping 31 needs to be rolled up and stored. Since the wrapping 31 is wrapped around the valve body closely following the laser cutting rod head 21, and a certain amount of heat will be stored on the cut surface of the valve body at this time, the wrapping 31 must also have heat-resistant properties. In view of this, the wrapping 31 can be made of ceramic fiber cloth (the thickness of the wrapping 31 shown in the drawing is for better showing the wrapping effect, and its thickness can be customized according to demand).

[0060] The wrapping piece 31 can be timely fitted, wrapped and fixed to the cut valve body along the cutting surface. The reason why it can balance the cutting thermal stress and reduce the risk of cracks and breakage is that, firstly, the wrapping piece 31 is made of ceramic fiber cloth, which has low thermal conductivity and high temperature resistance, can effectively isolate heat and reduce the generation of thermal stress. This is particularly important in the laser cutting process, because laser cutting will cause local high temperature, which will cause thermal expansion and deformation of metal materials; secondly, wrapping the cut valve body with the wrapping piece 31 can slow down the speed of temperature change and reduce the stress concentration caused by temperature gradient; thirdly, the two ends of the wrapping piece 31 are in a straight state, which can provide additional mechanical support for the cut valve body, help maintain the shape of the valve body, and reduce structural changes caused by thermal deformation; fourthly, the wrapping piece 31 made of ceramic fiber material has certain shock-absorbing properties, which can absorb part of the vibration during laser cutting and further reduce the transfer of stress. In view of this, the wrapping piece 31 is timely fitted, wrapped and fixed to the cut valve body along the cutting surface, which can balance the thermal stress generated by cutting.

[0061] Since there will be a certain amount of heat in the valve body after cutting, the cut valve body is wrapped and fixed by the wrapping member 31, and the heat on the surface of the valve body will be retained in the interior of the fixing cavity 36. At this time, the heat will be difficult to dissipate quickly, which may easily lead to local temperature increase. In view of this, the specific structure of the loose-leaf assembly 33 is further disclosed in combination with the above structure. The loose-leaf assembly 33 includes a heat dissipation hole 331 opened inside the end of the wrapping member 31 close to the laser cutting rod head 21, and a plurality of loose-leaf plates 332 are arranged inside the heat dissipation hole 331, and the middle parts of the two ends of the plurality of loose-leaf plates 332 are connected to the inner wall of the heat dissipation hole 331.

[0062] See also Figure 8 As shown, when the covering member 31 is stretched and started, a plurality of hinged plates 332 can fan in the heat dissipation holes 331 as the covering member 31 is stretched, and the heat dissipation holes 331 can assist the airflow inside the fixed cavity 36 to communicate with the external airflow, and the fanning action of the hinged plates 332 further enhances the circulation effect of the airflow. By utilizing the stretching action of the covering member 31, the fanning of the hinged plates 332 and the heat dissipation holes 331 work together, and the fanning of the hinged plates 332 not only increases the frequency of airflow exchange, but also expands the range of airflow exchange, thereby significantly improving the heat dissipation efficiency, and effectively solving the problem of excessive temperature caused by heat accumulation in the fixed cavity 36 after the valve body is cut.

[0063] Considering that when the laser cutting rod head 21 is started, the sliding rod 225 is realized by sliding the sleeve 222 on the surface of the screw rod 223. Therefore, in order to further improve the sliding stability of the sliding rod 225, a limiting groove 4 is opened on the surface of one end of the side plate frame 11 close to the screw rod 223, and the sliding rod 225 is fixedly connected to the limiting rod 41 at one end close to the side plate frame 11, and the limiting rod 41 can slide inside the limiting groove 4.

[0064] according to Figure 5 It can be seen that the limiting rod 41 installed on the surface of the sliding rod 225 is located inside the limiting groove 4. During the sliding of the sliding rod 225, the limiting rod 41 can slide inside the limiting groove 4, thereby improving the adjustment stability of the sliding rod 225. Since the end of the sliding rod 225 is fixedly connected to the sleeve plate 222, the sliding stability of the sleeve plate 222 is improved.

[0065] Since the covering member 31 needs to slide along the inner wall of the track 12 to improve the fixing effect of the covering member 31 on the valve body, in order to make it easier for the covering member 31 to fit the inner wall of the track 12, a plurality of intracavity pressure plates 5 are installed on the inner wall of the track 12, and the supporting part of the intracavity pressure plates 5 is an elastic structure.

[0066] Combination Figure 6 It can be known that when the laser-cut rod head 21 and the covering member 31 slide inside the track 12, the intracavity pressure plate 5 installed on the inner wall of the track 12 can apply a thrust to the laser-cut rod head 21 and the covering member 31. In this way, the other ends of the laser-cut rod head 21 and the covering member 31 can fit tightly against the inner wall of the track 12, thereby improving the sliding stability of the laser-cut rod head 21 and effectively reducing the shaking and deviation during the sliding process. At the same time, the intracavity pressure plate 5 limits the specific stretching position of the covering member 31, which enables it to more accurately wrap and fix the cut valve body, thereby improving the accuracy and reliability of the wrapping and fixing.

[0067] Considering that the end of the wrapping member 31 away from the laser cutting rod head 21 is rolled up inside the bottom cavity 34, in order to make the wrapping member 31 more convenient to follow the sliding path of the laser cutting rod head 21 for stretching, a telescopic rod 61 is installed on the inner wall of the track 12 close to the bottom cavity 34, and the end of the telescopic rod 61 away from the inner wall of the track 12 is fixedly connected to the clamping plate 6. Figure 3 Combined with Figure 4 It can be seen that when the wrapping member 31 extends from the bottom cavity 34, its starting position can be determined by the coordinated action of the telescopic rod 61 and the clamping plate 6, so that the wrapping member 31 follows the sliding position of the laser cutting rod head 21 to wrap and fix the cut valve body.

[0068] Example 2

[0069] This embodiment is based on the content provided in Embodiment 1, and aims to provide a method for using a valve body machining, cutting and fixing device for a rotary ball valve, and the specific steps are as follows:

[0070] S1. First, place the valve body material to be cut on the top of the two protrusions at the middle end of the base frame 13. Before cutting, ensure that the laser cutting rod heads 21 on both sides are at the lowest position. When the laser cutting rod heads 21 are at the lowest position, the wrapping member 31 is located inside the base frame 13.

[0071] S2. When cutting, the laser cutting rod head 21 is powered on externally to ensure that it can be used normally, and then the starting component 22 is turned on to drive the laser cutting rod head 21 to laser cut the valve body material from bottom to top;

[0072] S3. When the laser cutting rod head 21 is lifted and running, the wrapping member 31 can slide along the inside of the track 12 through the side edge assembly 32, so as to wrap and fix the cut valve body in time. At the same time, wrapping and fixing the cut valve body can also balance the thermal stress generated during the cutting process and reduce the damage of the valve body.

[0073] S4. When the wrapping piece 31 is stretched and started, the loose-leaf assembly 33 located at the side end of the wrapping piece 31 is started synchronously, which can increase the flow of air in the fixed cavity 36, expand the range of airflow exchange, and significantly improve the heat dissipation efficiency inside the fixed cavity 36, effectively solving the problem of excessive temperature caused by heat accumulation in the fixed cavity 36 after the valve body is cut.

[0074] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A valve body processing, cutting and fixing device for a rotary ball valve, comprising a frame (1), wherein the frame (1) comprises a bottom frame (13) and two side frame frames (11), wherein the two side frame frames (11) are respectively located at the top of both ends of the bottom frame (13), the two side frame frames (11) are fixedly connected to the bottom frame (13), and two rails (12) are provided inside the two side frame frames (11); Features: A cutting mechanism (2) is installed inside the two side plate frames (11), the cutting mechanism (2) being composed of a laser cutting rod head (21) and a starting assembly (22), two laser cutting rod heads (21) being provided, respectively located inside the two tracks (12), the starting assembly (22) being used to drive the two laser cutting rod heads (21) to perform double-sided cutting on the valve body material; A stress adjustment mechanism (3) is connected between the two cutting mechanisms (2), the stress adjustment mechanism (3) comprising two side edge components (32) and a wrapping member (31), and a fixing cavity (36) is formed in the middle of the wrapping member (31); The wrapping member (31) is located between the two side edge components (32), and the two side edge components (32) can drive the wrapping member (31) to connect with the laser cutting rod head (21). When the laser cutting rod head (21) cuts the valve body material from bottom to top, the wrapping member (31) can promptly fix the cut valve body, and at the same time, the wrapping member (31) can also balance the cutting thermal stress of the valve body; Both ends of the wrapping member (31) close to the side edge member (32) are provided with loose-leaf members (33), and when the wrapping member (31) wraps and fixes the valve body, the loose-leaf members (33) can disrupt the airflow in the fixed cavity (36) and dissipate heat inside the fixed cavity (36); The starting assembly (22) comprises a top support plate (221) fixedly mounted on the upper end surface of the side plate frame (11); a screw rod (223) is rotatably arranged between the top support plate (221) and the bottom frame (13); a side groove (224) is provided in the middle of the side end of the bottom frame (13); one end of the screw rod (223) close to the side groove (224) is fixedly connected to the output shaft of the motor; and the motor is mounted inside the side groove (224); The surface of the screw rod (223) is sleeved with a sleeve plate (222), and the sleeve plate (222) is fixedly connected to a slide rod (225) on a side close to the side plate frame (11). The slide rod (225) is a hollow structure, and the ends of the two laser cutting rod heads (21) slide symmetrically inside the slide rod (225); The side edge component (32) comprises a rotation groove (321) formed on the surface of the laser-cut rod head (21), and the rotation groove (321) is located inside the track (12), a collar (322) is rotatably provided inside the rotation groove (321), a connecting page (323) is fixedly connected to the bottom of the collar (322), and the bottom end of the connecting page (323) is fixedly connected to the top of the side end of the wrapping member (31); The loose-leaf assembly (33) comprises a heat dissipation hole (331) formed inside an end of the wrapping member (31) close to the laser cutting rod head (21), a plurality of loose-leaf plates (332) being provided inside the heat dissipation hole (331), and the middle portions of the side ends of the plurality of loose-leaf plates (332) being connected to the inner wall of the heat dissipation hole (331).

2. The valve body machining, cutting and fixing device of a rotary ball valve according to claim 1, characterized in that: The stress adjustment mechanism (3) further comprises two bottom cavities (34) opened on the top of the bottom frame (13), the interiors of the two bottom cavities (34) are fixedly connected to a central axis (35), the surfaces of the two central axes (35) are sleeved with a clockwork spring, one end of the clockwork spring is fixedly connected to the surface of the central axis (35), and the other end of the clockwork spring is fixedly connected to the end of the covering member (31).

3. The valve body machining, cutting and fixing device of a rotary ball valve according to claim 1, characterized in that: A limiting groove (4) is formed on the surface of one end of the side plate frame (11) close to the screw rod (223); one end of the sliding rod (225) close to the side plate frame (11) is fixedly connected to a limiting rod (41); and the limiting rod (41) is capable of sliding inside the limiting groove (4).

4. The valve body machining, cutting and fixing device of a rotary ball valve according to claim 1, characterized in that: A plurality of intracavity pressure plates (5) are installed on the inner wall of the track (12), and the supporting parts of the intracavity pressure plates (5) are elastic structures.

5. The valve body machining, cutting and fixing device of a rotary ball valve according to claim 2, characterized in that: A telescopic rod (61) is installed on the inner wall of one side of the track (12) close to the bottom cavity (34), and a clamping plate (6) is fixedly connected to one end of the telescopic rod (61) away from the inner wall of the track (12).

6. A method for operating a valve body machining, cutting and fixing device for a rotary ball valve as claimed in claim 1, characterized in that: The method comprises the following steps: S1. First, place the valve body material to be cut on the top of the two protrusions at the middle end of the base frame (13). Before cutting, ensure that the laser cutting rod heads (21) on both sides are located at the lowest position. When the laser cutting rod heads (21) are located at the lowest position, the wrapping member (31) is located inside the base frame (13); S2. When cutting, the laser cutting rod head (21) is powered on externally to ensure that it can be used normally, and then the starting component (22) is turned on to drive the laser cutting rod head (21) to laser cut the valve body material from bottom to top; S3, when the laser cutting rod head (21) is lifted and operated, the covering member (31) can slide inside the track (12) via the side edge assembly (32); S4. When the wrapping member (31) is stretched and started, the hinge assembly (33) located at the side end of the wrapping member (31) is started synchronously, which can increase the flow of air in the fixed cavity (36) and expand the range of air flow exchange.

Images