Valve assembly drilling device

Abstract

The invention discloses a valve assembly drilling device, and relates to the technical field of valve assembly drilling. The valve assembly drilling device comprises a machining base, a support and an operation base, the support and the operation base are fixed to the upper end face of the machining base, and an inner clamping mechanism used for clamping a valve assembly from the interior is installed on the upper end face of the operation base. A scrap sealing and drilling part used for conducting multi-point drilling on the valve assembly and collecting scrap iron generated in all drilling machining is arranged on the lower portion of the transverse section of the support, and the scrap sealing and drilling part and the inner clamping mechanism are matched with each other to act on the valve assembly in a synergistic mode and conduct clamping limiting and drilling operation at the same time. According to the chip sealing and drilling device, chip sealing and centralized collection are achieved through cooperation of the chip sealing and drilling part and the chip collecting part, scrap iron accumulation interference is avoided, then the valve assembly is clamped in the inner cavity direction through the inner clamping mechanism, the upper drilling space is released, the valve assembly is clamped in the inner cavity direction through the inner clamping mechanism, and the chip sealing and drilling device is convenient to use. And the machining flexibility and the drilling accessibility are improved.

Description

Technical Field

[0001] The invention relates to the technical field of valve component drilling, in particular to a valve component drilling device. Background Art

[0002] Valve assembly (see Figure 7 ) As the core control element in the fluid transportation system, it is widely used in petroleum, chemical, water treatment, gas and various industrial pipelines. Its main function is to control the opening, closing and flow regulation of the medium. In the manufacturing process of valve components, drilling processing is an indispensable key process, especially in the processing of valve body or flange parts. Such drilled holes are usually distributed on the annular disc end face of the valve component and are arranged in an equidistant circle. They are mainly used for subsequent flange connection bolt installation to achieve mechanical connection and sealing between the valve and pipeline or other equipment. Since such end faces are usually metal materials (such as stainless steel, carbon steel, alloy steel, etc.), the hole position accuracy, orifice quality and overall geometric symmetry need to be guaranteed during the drilling process, which puts forward higher technical requirements for the processing process.

[0003] However, in the traditional actual drilling process, the iron chips and iron wires generated are usually directly accumulated on the surface of the workpiece. If these metal debris generated by cutting are not removed in time, they will directly affect the normal flow of coolant on the workpiece surface, resulting in a significant decrease in the local cooling effect on the workpiece surface, and then cause overheating and tool ablation; and because the holes drilled on the valve assembly are usually circumferentially continuous, in the process of drilling multiple holes in sequence, the iron chips generated by the previous hole are very likely to splash onto the workpiece surface. When the drill bit moves to the next hole for processing, these residues will be brought into the hole by the drill bit, causing scratches on the hole wall, broken edges or unevenness of the hole mouth, further causing aperture size deviation, affecting the accuracy and consistency of the hole positions. This "collateral interference" is particularly evident on the valve end face with dense holes.

[0004] In addition, in order to ensure the stability of the workpiece and processing safety during drilling, the valve assembly must be reliably clamped and limited. In the traditional tooling fixture design, the clamping plate usually presses the workpiece from above, that is, directly presses on the end face area where the drill hole is located. Although this method has a simple structure, it will cause many interference problems during the actual drilling process: the clamping plate often blocks part of the hole position, limiting the feed space of the drill bit; when continuously arranging circular holes, the operator needs to constantly loosen the clamping plate and reposition it, and frequently change the clamping position, which seriously affects the processing rhythm and operating efficiency, and is prone to slight displacement errors due to multiple clamping, affecting the circular symmetry and precision stability of the drilling. Summary of the Invention

[0005] The present invention provides a valve component drilling device, which solves the technical problems of traditional valve component drilling, in which iron chips are easily accumulated on the surface of the workpiece, hindering cooling, causing overheating and tool ablation, and are brought into the holes during continuous hole arrangement, resulting in scratches on the hole walls and dimensional deviations, affecting precision consistency; at the same time, the splint pressing on the drilling surface is easy to block the hole position, interfere with processing, require frequent adjustments, and affect processing stability.

[0006] The present invention provides a valve component drilling device, comprising a processing base, a bracket respectively fixed to the upper end surface of the processing base, and an operating seat, the upper end surface of the operating seat is equipped with an internal clamping mechanism for clamping the valve component from the inside, and the lower part of the horizontal section of the bracket is provided with a chip sealing drilling part for drilling multiple points of the valve component and collecting iron chips in each drilling process together, the chip sealing drilling part and the internal clamping mechanism cooperate with each other to synergistically act on the valve component to perform clamping, limiting and drilling operations at the same time, and a chip sealing drill for drilling in the drilling hole is provided between the chip sealing drilling part and the internal clamping mechanism. The hole portion acts as a guide for guiding the cutting, and the chip sealing drilling portion includes a Y-shaped main bracket installed at the lower part of the horizontal section of the bracket through a control and shift assembly and a Y-shaped sub-bracket fixed to the lower end face of the Y-shaped main bracket through a fixing column. The lower end face of each branch segment of the Y-shaped main bracket is provided with a drill rod, and the end portions of the branch segments of the Y-shaped sub-bracket are fixedly connected with a sleeve slidably mounted on the outside of the drill rod, and the inner cavity of the sleeve is slidably connected with a slide cylinder mounted on the outside of the drill rod, and the lower end of the slide cylinder is rotatably connected with a retaining ring, and a chip collecting portion is provided on the working seat for cooperating with the chip sealing mechanism to collect iron chips leaked when the valve assembly is drilled through.

[0007] In one possible implementation, the internal clamping mechanism includes a support tube fixedly connected to the upper end surface of the working seat and with an upper opening, and a support rod slidably connected to the inner cavity of the support tube, the lower end of the support rod and the bottom of the support tube cavity are fixedly connected with a top spring, a plurality of rectangular sleeves are equidistantly connected to the outer circumference of the support tube, and the upper part of the rectangular sleeve is provided with a strip groove distributed along the radial direction of the support tube, a push rod is slidably connected in the rectangular sleeve, a connecting rod is hinged on the upper end surface of the push rod and located in the strip groove, an end of the connecting rod away from the push rod is hinged to the outer wall of the support rod, and an arc-shaped clamping block is fixedly connected to the side of the push rod away from the rectangular sleeve, and an auxiliary clamping unit is provided on the arc-shaped clamping block for contacting the upper surface of the valve assembly to further enhance the clamping stability of the valve assembly.

[0008] In one possible implementation, the guide portion includes a disc fixedly connected to the upper end of the support rod, and a plurality of guide holes are equidistantly provided on the upper end surface of the disc. The lower end of the Y-shaped sub-bracket is symmetrically fixedly connected to two guide rods for cooperating with the guide holes.

[0009] In one possible implementation, the chip collecting part can cooperate with the inner clamping mechanism to lock the inner clamping mechanism after clamping the valve assembly. The chip collecting part includes two slide grooves symmetrically opened on the upper end surface of the working seat, and the slide grooves are slidably connected with support plates, and the upper end surface of the support plate is fixedly connected with an arc box.

[0010] In a possible implementation, the bottom of the arc-shaped box cavity is provided with a plurality of drainage holes equidistantly along the arc direction thereof, and the drainage holes are arranged in a plurality of rows equidistantly along the radial direction of the arc-shaped box.

[0011] In one possible implementation, two vertical through slots are symmetrically provided on the support tube, two fixing rods symmetrically fixedly connected to the outside of the support rod and slidably arranged in the vertical through slots, a shift plate is fixedly connected to the side of the fixing rod away from the support rod, and an arc-shaped pressure plate for limiting the shift plate is fixedly connected to the side of the support plate close to the support tube through a connecting rod.

[0012] In a possible implementation, a spring telescopic rod is fixedly connected to the center of the lower end surface of the Y-shaped auxiliary bracket, and a socket for the spring telescopic rod to extend into is formed on the disc and the support rod.

[0013] In one possible implementation, the auxiliary clamping unit includes an embedding groove and an L-shaped clamping block. The embedding groove is provided on the arc-shaped clamping block. The upper end surface of the arc-shaped clamping block is hinged with an L-shaped clamping block located in the embedding groove through a lug. A limiting spring is fixedly connected between the L-shaped clamping block and the embedding groove.

[0014] In a possible implementation, the upper end surface of the work seat is provided with a plurality of liquid guide grooves equidistantly arranged in the transverse direction, and the liquid guide grooves are arranged in a plurality of rows equidistantly along the longitudinal direction, and the upper end surface of the processing base is provided with a plurality of guide grooves connected to the liquid guide grooves equidistantly arranged.

[0015] It can be seen from the above technical solution that the present invention has the following advantages: In the present invention, the sleeve and the slide in the chip sealing drilling part cooperate with each other to effectively cover the drill rod and close the drilling area during the drilling process, thereby closing the splash path of metal chips during drilling. Combined with the chip collecting part, the falling metal chips are actively caught and collected at the moment of drilling, so that the metal chips no longer remain on the surface of the workpiece, keeping the cooling surface of the workpiece clean and unobstructed, significantly improving the cooling efficiency, and avoiding the associated problem of "the previous hole interfering with the next hole", thereby ensuring the processing consistency, dimensional stability and circular symmetry between holes.

[0016] In the present invention, the support rod, push rod, connecting rod and arc-shaped clamping block in the internal clamping mechanism are combined with each other to limit the top clamping of the valve assembly from the inner cavity direction, completely releasing the drilling area above the valve assembly, so that the drill bit can be freely fed and retracted at any hole position without the need to avoid or disassemble the clamp structure, thereby improving processing flexibility and spatial accessibility.

[0017] In the present invention, the force is transmitted from the center of the inner cavity of the valve component through the push rod and the arc-shaped clamping block in the internal clamping mechanism, and the L-shaped clamping block performs auxiliary limiting on the edge of the valve component cavity wall, so as to clamp the valve component from multiple directions. Compared with the traditional single upper pressure clamping plate, it not only has uniform force and strong anti-disturbance ability, but also can effectively prevent the workpiece from producing slight displacement during the continuous drilling process, which significantly improves the circumferential symmetry of the hole position and the overall processing consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0019] Figure 1 This is a schematic structural diagram of the valve assembly drilling device provided by the present invention.

[0020] Figure 2 This is a schematic diagram of the installation structure of the chip sealing drilling part provided by the present invention.

[0021] Figure 3 This is a schematic diagram of the installation structure of the inner clamping mechanism and the chip collection part provided by the present invention.

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the inner clamping mechanism provided by the present invention.

[0023] Figure 5 This is a schematic diagram of the cross-sectional structure of the inner clamping mechanism provided by the present invention from a front perspective.

[0024] Figure 6 The present invention provides Figure 5 Schematic diagram of the enlarged structure of part A in .

[0025] Figure 7 Schematic diagram of the valve assembly shape.

[0026] Figure 8 This is a schematic diagram of the installation structure of the inner clamping mechanism of the present invention working on the valve assembly.

[0027] Among them, the above-mentioned drawings include the following figure marks: 1. processing base; 2. bracket; 3. work seat; 4. internal clamping mechanism; 41. support tube; 42. support rod; 43. rectangular sleeve; 44. push rod; 45. connecting rod; 46. arc-shaped clamping block; 47. auxiliary clamping unit; 471. embedding groove; 472. L-shaped clamping block; 48. dial plate; 5. chip sealing and drilling part; 51. control and shift assembly; 52. Y-shaped main bracket; 53. Y-shaped sub-bracket; 54. drill rod; 55. sleeve; 56. slide; 57. retaining ring; 6. guide part; 61. disc; 62. guide hole; 63. guide rod; 7. chip collecting part; 71. slide groove; 72. support plate; 73. arc box; 74. arc pressure plate; 8. spring telescopic rod; 9. liquid guide groove; 10. diversion groove. DETAILED DESCRIPTION

[0028] To make the above-mentioned objects, features, and advantages of the present invention more readily apparent, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. The following description sets forth numerous specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] See also Figure 1 and Figure 2 The present invention provides a technical solution: a valve component drilling device, comprising a processing base 1, an L-shaped bracket 2 fixed to the upper end surface of the processing base 1, and an operating seat 3, the upper end surface of the operating seat 3 is installed with an internal clamping mechanism 4 for clamping the valve component from the inside, the lower part of the horizontal section of the bracket 2 is provided with a chip sealing drilling part 5 for drilling multiple points of the valve component and collecting iron chips in each drilling process together, the chip sealing drilling part 5 and the internal clamping mechanism 4 cooperate with each other to synergistically act on the valve component to simultaneously perform clamping, limiting and drilling operations, and a guide for the chip sealing drilling part 5 in the drilling is provided between the chip sealing drilling part 5 and the internal clamping mechanism 4. The guide portion 6 is cut into, and the work seat 3 is provided with a chip collecting portion 7 for cooperating with the chip sealing drilling portion 5 to collect iron chips leaked when the valve assembly is drilled through. The chip collecting portion 7 can cooperate with the inner clamping mechanism 4 to lock the inner clamping mechanism 4 after clamping the valve assembly. A plurality of liquid guide grooves 9 are equidistantly provided on the upper end surface of the work seat 3 in the horizontal direction, and the liquid guide grooves 9 are equidistantly provided in several rows in the longitudinal direction. A plurality of guide grooves 10 connected to the liquid guide grooves 9 are equidistantly provided on the upper end surface of the machining base 1. During the drilling process, the coolant flowing onto the work seat 3 first flows into the liquid guide groove 9, then flows into the guide groove 10, and finally flows away from the guide groove 10.

[0030] See also Figure 2In this embodiment, the chip sealing and drilling portion 5 includes a Y-shaped main bracket 52 installed at the lower part of the horizontal section of the bracket 2 through a control component 51 and a Y-shaped sub-bracket 53 fixed to the lower end surface of the Y-shaped main bracket 52 through a fixing column.

[0031] See also Figure 3 、 Figure 4 、 Figure 5 and Figure 8 In this embodiment, the inner clamping mechanism 4 includes a support tube 41 fixedly connected to the upper end surface of the working seat 3 and with an upper opening, and a support rod 42 slidably connected to the inner cavity of the support tube 41. The lower end of the support rod 42 is fixedly connected to the bottom of the support tube 41 cavity with a top spring. The outer circumference of the support tube 41 is equidistantly connected with a number of rectangular sleeves 43, and the upper part of the rectangular sleeve 43 is provided with a strip-shaped through groove distributed radially along the support tube 41. A push rod 44 is slidably connected in the rectangular sleeve 43. A connecting rod 45 is hinged on the upper end surface of the push rod 44 and located in the strip through groove. The end of the connecting rod 45 away from the push rod 44 is hinged to the outer wall of the support rod 42. The side of the push rod 44 away from the rectangular sleeve 43 is fixedly connected to an arc-shaped clamping block 46. The arc-shaped clamping block 46 is provided with an auxiliary clamping unit 47 for contacting the upper surface of the valve assembly to further enhance the clamping stability of the valve assembly.

[0032] See also Figure 2 and Figure 4 The center of the lower end surface of the Y-shaped auxiliary bracket 53 is fixedly connected to the spring telescopic rod 8, and the disc 61 and the support rod 42 are jointly provided with a socket for the spring telescopic rod 8 to extend into.

[0033] See also Figure 6 The auxiliary clamping unit 47 includes an embedding groove 471 and an L-shaped clamping block 472. The arc-shaped clamping block 46 is provided with an embedding groove 471. The upper end surface of the arc-shaped clamping block 46 is hinged with an L-shaped clamping block 472 located in the embedding groove 471 through a lug. The L-shaped clamping block 472 and the embedding groove 471 are fixedly connected with a limiting spring.

[0034] The valve assembly is placed on the outside of the inner clamping mechanism 4, and the upper end surface of the arc-shaped clamping block 46 is flush with the upper end surface of the valve assembly. The Y-shaped sub-bracket 53 is controlled to move downward by the control component 51. The Y-shaped sub-bracket 53 moves downward to drive the spring telescopic rod 8 to be inserted into the jack, and then the support rod 42 is pushed downward. The support rod 42 then drives the connecting rod 45 to move downward. At the same time, the top spring is compressed, and the connecting rod 45 then pushes the push rod 44 to move in the direction away from the axis of the support tube 41. The push rod 44 then drives the arc-shaped clamping block. 46 moves until the arc-shaped clamping block 46 touches the inner wall of the valve assembly. At the same time, the arc-shaped clamping block 46 drives the inclined vertical section of the L-shaped clamping block 472 to touch the inner wall of the valve assembly. After the L-shaped clamping block 472 and the valve assembly touch each other, they rotate around the hinge point with the lug until the vertical section of the L-shaped clamping block 472 touches the upper end face of the valve assembly near the edge of its own inner cavity, thereby clamping and limiting the valve assembly from multiple directions and ensuring that the upper end face of the valve is open without obstruction.

[0035] See also Figure 3 In this embodiment, the chip collecting portion 7 includes two symmetrical slide grooves 71 opened on the upper end surface of the work seat 3, and support plates 72 are slidably connected in the slide grooves 71. Two vertical through grooves are symmetrically opened on the support tube 41. Two fixed rods slidably set in the vertical through grooves are symmetrically fixedly connected to the outside of the support rod 42. The side of the fixed rod away from the support rod 42 is fixedly connected to the shift plate 48, and the side of the support plate 72 close to the support tube 41 is fixedly connected to an arc-shaped pressure plate 74 for limiting the shift plate 48 through a connecting rod.

[0036] When the support rod 42 moves downward, it will also drive the fixed rod to slide downward in the vertical groove. The fixed rod then drives the dial plate 48 to move downward. When the inner clamping mechanism 4 completes clamping the valve assembly, the two support plates 72 are manually pushed to move closer to each other along the slide groove 71. The support plate 72 then drives the arc-shaped pressure plate 74 to move through the connecting rod, so that the arc-shaped pressure plate 74 contacts the upper side of the dial plate 48, thereby locking the support rod 42 after moving downward, and allowing the inner clamping mechanism 4 to firmly clamp the valve assembly.

[0037] See also Figure 2 In this embodiment, the chip sealing drilling part 5 also includes a drill rod 54, a sleeve 55 and a slide 56. The lower end surface of each branch section of the Y-shaped main bracket 52 is provided with a drill rod 54, and the end of the branch section of the Y-shaped auxiliary bracket 53 is fixedly connected with a sleeve 55 slidably mounted on the outside of the drill rod 54. The inner cavity of the sleeve 55 is slidably connected with a slide 56 mounted on the outside of the drill rod 54. A return spring is fixedly connected between the slide 56 and the sleeve 55. The lower end of the slide 56 is rotatably connected to a retaining ring 57. The control and movement component 51 is composed of an existing intermittent rotation mechanism (such as a worm gear mechanism combined with a drive motor) and a telescopic mechanism (such as a hydraulic cylinder).

[0038] See also Figure 2 and Figure 4 The guide portion 6 includes a disc 61 fixedly connected to the upper end of the support rod 42, and a plurality of guide holes 62 are equidistantly opened on the upper end surface of the disc 61 in the circumferential direction. The lower end of the Y-shaped auxiliary bracket 53 is symmetrically fixedly connected to two guide rods 63 for cooperating with the guide holes 62.

[0039] See also Figure 3 The chip collecting part 7 also includes an arc box 73, and the upper end surface of the support plate 72 is fixedly connected to the arc box 73. The bottom of the arc box 73 is equidistantly provided with a plurality of drainage holes along its own curvature direction, and the drainage holes are equidistantly arranged in several rows along the radial direction of the arc box 73.

[0040] The telescopic mechanism in the control and shift assembly 51 is controlled to extend to drive the Y-shaped main bracket 52 and the Y-shaped sub-bracket 53 to move downward. When the Y-shaped sub-bracket 53 completes the first downward stroke, the spring telescopic rod 8 presses the support rod 42 to move downward. Then the control and shift assembly 51 drives the Y-shaped sub-bracket 53 to move downward for the second downward stroke. At this time, the spring telescopic rod 8 is gradually compressed, and the Y-shaped main bracket 52 drives the drill rod 54 to move downward, so that the drill rod 54 contacts the upper end surface of the valve assembly. At the same time, the Y-shaped sub-bracket 53 drives the guide rod 63 to move downward and insert it into the guide hole 62. The cooperation between the guide rod 63 and the guide hole 62 is used to guide the drill rod 54 when drilling downward.

[0041] Manually push the two support plates 72 to move closer to each other, and the support plates 72 will also drive the arc box 73 to move. The two arc boxes 73 move closer to each other until they are aligned and located on the lower end surface of the annular disk on the upper part of the valve assembly.

[0042] When the drill rod 54 hits the upper end face of the valve assembly, the Y-shaped sub-bracket 53 will drive the retaining ring 57 to hit the upper end face of the valve assembly before the drill rod 54, and then the drill rod 54 is controlled to rotate to drill the valve assembly. When the drill rod 54 continues to move downward during drilling, the slide 56 synchronously slides into the sleeve 55, and then the drill rod 54 is controlled to rotate to drill the valve assembly. The metal chips generated during the drilling process will be covered in the inner cavity of the slide 56 and the sleeve 55. At the same time, the working drill rod 54 can be cooled by passing external coolant from the upper port of the sleeve 55. After the drill rod 54 drills through the valve assembly, the metal chips in the slide 56 will slide down from the drill hole and enter the arc box 73. The coolant used for cooling will also flow into the arc box 73 from the drill hole and finally flow out from the drain hole.

[0043] Then the control and movement component 51 can be controlled to drive the Y-shaped main bracket 52 and the Y-shaped sub-bracket 53 to move upward, the Y-shaped main bracket 52 drives the drill rod 54 to move out of the valve assembly, and the Y-shaped sub-bracket 53 drives the sleeve 55 and the sliding cylinder 56 to move upward synchronously with the drill rod 54, and then the intermittent rotation mechanism in the control and movement component 51 is controlled to operate to drive the Y-shaped main bracket 52 and the Y-shaped sub-bracket 53 to rotate, so that the drill rod 54 rotates to the downward drilling point, and then the telescopic mechanism in the control and movement component 51 can be controlled to extend again to perform the drilling operation. During the process of adjusting the position of the drill rod 54 as the Y-shaped main bracket 52 rotates, the retaining ring 57 always contacts the upper surface of the valve assembly, so that the metal chips generated in each drilling process are separated and covered, thereby avoiding the accumulation of metal chips on the valve assembly. By having multiple circumferentially distributed drill rods 54 working at the same time, it is possible to speed up the drilling speed while making the drill rods 54 cooperate with each other to increase the number of points, thereby improving the stability of the drill rod 54.

[0044] During operation, the valve assembly is sleeved on the outside of the inner clamping mechanism 4, and then the chip sealing drilling part 5 is controlled to move downward. When the chip sealing drilling part 5 moves downward, the inner clamping mechanism 4 is triggered to operate, so that the inner clamping mechanism 4 automatically clamps it from the inside of the valve assembly. Then, the two support plates 72 in the chip collecting part 7 are manually pushed to move closer to each other. The support plate 72 then indirectly drives the arc-shaped pressure plate 74 to contact the upper end surface of the dial plate 48, locking the inner clamping mechanism 4 that has clamped the valve assembly. Then, the chip sealing drilling part 5 is controlled to move downward for the second time to drill the valve assembly. The metal chips generated in the drilling are driven by the slide cylinder 56 and the sleeve The valve assembly is covered by the cylinder 55. After drilling through, metal chips fall into the chip collecting part 7 from the drill hole. By controlling the intermittent circumferential rotation of the Y-shaped main bracket 52 in the chip sealing drilling part 5, the valve assembly can be drilled quickly. After drilling is completed, the chip collecting drilling part is controlled to move up and reset, and the two support plates 72 in the chip collecting part 7 are manually pushed away from each other to release the limit on the inner clamping mechanism 4. Then the inner clamping mechanism 4 is reset to release the clamping of the valve assembly. Finally, the valve assembly after drilling can be taken out, and the above steps are repeated for the next valve assembly, and it is again placed on the outside of the inner clamping mechanism 4.

[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", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to 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, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0046] Furthermore, the terms "first," "second," "number one," and "number two" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature designated as "first," "second," "number one," or "number two" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0047] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0048] The embodiments of this specific implementation method are all preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A valve assembly drilling device, comprising a processing base (1), a bracket (2) and a working seat (3) respectively fixed to the upper end surface of the processing base (1), characterized in that: The upper end surface of the work seat (3) is provided with an inner clamping mechanism (4) for clamping the valve assembly from the inside, and the lower part of the horizontal section of the bracket (2) is provided with a chip sealing drilling portion (5) for drilling multiple holes in the valve assembly and collecting iron chips in each drilling process. The chip sealing drilling portion (5) and the inner clamping mechanism (4) cooperate with each other to simultaneously clamp, limit and drill the valve assembly, and a guide portion (6) is provided between the chip sealing drilling portion (5) and the inner clamping mechanism (4) for guiding the chip sealing drilling portion (5) in the drilling hole. The chip sealing and drilling portion (5) comprises a Y-shaped main bracket (52) mounted on the lower part of the horizontal section of the bracket (2) through a control and shift assembly (51) and a Y-shaped sub-bracket (53) fixed to the lower end face of the Y-shaped main bracket (52) through a fixing column, a drill rod (54) is provided on the lower end face of each branch section of the Y-shaped main bracket (52), and the ends of the branch sections of the Y-shaped sub-bracket (53) are fixedly connected to a sleeve (55) slidably mounted on the outside of the drill rod (54), the inner cavity of the sleeve (55) is slidably connected to a slide cylinder (56) mounted on the outside of the drill rod (54), and the lower end of the slide cylinder (56) is rotatably connected to a retaining ring (57); The operating seat (3) is provided with a chip collecting portion (7) for cooperating with the chip sealing mechanism to collect iron chips leaked when the valve assembly is drilled through.

2. A valve assembly drilling device according to claim 1, characterized in that: The inner clamping mechanism (4) comprises a support tube (41) fixedly connected to the upper end surface of the working seat (3) and having an upper opening, and a support rod (42) slidably connected to the inner cavity of the support tube (41), the lower end of the support rod (42) and the bottom of the cavity of the support tube (41) are fixedly connected with a top spring, the outer circumference of the support tube (41) is equidistantly connected with a plurality of rectangular sleeves (43), and the upper part of the rectangular sleeve (43) is provided with strip-shaped through grooves distributed along the radial direction of the support tube (41), and the rectangular sleeve (43) is slidably connected to the inner cavity of the support tube (41). A push rod (44) is movably connected to the push rod (44), and a connecting rod (45) is hinged on the upper end surface of the push rod (44) and located in the strip-shaped through groove. The end of the connecting rod (45) away from the push rod (44) is hinged on the outer wall of the support rod (42). The side of the push rod (44) away from the rectangular sleeve (43) is fixedly connected to an arc-shaped clamping block (46). The arc-shaped clamping block (46) is provided with an auxiliary clamping unit (47) for contacting the upper surface of the valve assembly to further enhance the clamping stability of the valve assembly.

3. A valve assembly drilling device according to claim 2, characterized in that: The guide portion (6) comprises a disc (61) fixedly connected to the upper end of the support rod (42), a plurality of guide holes (62) being equidistantly formed on the upper end surface of the disc (61), and two guide rods (63) for cooperating with the guide holes (62) being symmetrically fixedly connected to the lower end of the Y-shaped auxiliary bracket (53).

4. A valve assembly drilling device according to claim 2, characterized in that: The chip collecting portion (7) can cooperate with the inner clamping mechanism (4) to lock the inner clamping mechanism (4) after clamping the valve assembly. The chip collecting portion (7) includes two slidable grooves (71) symmetrically arranged on the upper end surface of the working seat (3). A support plate (72) is slidably connected to each of the slidable grooves (71). The upper end surface of the support plate (72) is fixedly connected to an arc box (73).

5. A valve assembly drilling device according to claim 4, characterized in that: The bottom of the arc-shaped box (73) is provided with a plurality of drainage holes at equal intervals along the arc direction thereof, and the drainage holes are arranged in a plurality of rows at equal intervals along the radial direction of the arc-shaped box (73).

6. A valve assembly drilling device according to claim 4, characterized in that: The support tube (41) is provided with two vertical through slots symmetrically on the left and right sides. The support rod (42) is symmetrically fixedly connected to the outside with two fixing rods slidably arranged in the vertical through slots. The side of the fixing rod away from the support rod (42) is fixedly connected to a shift plate (48). The side of the support plate (72) close to the support tube (41) is fixedly connected to an arc-shaped pressure plate (74) for limiting the shift plate (48) through a connecting rod.

7. A valve assembly drilling device according to claim 3, characterized in that: The center of the lower end surface of the Y-shaped auxiliary bracket (53) is fixedly connected with a spring telescopic rod (8), and the disc (61) and the support rod (42) are both provided with a socket for the spring telescopic rod (8) to extend into.

8. The valve assembly drilling device according to claim 2, characterized in that: The auxiliary clamping unit (47) comprises an embedding groove (471) and an L-shaped clamping block (472); the arc-shaped clamping block (46) is provided with an embedding groove (471); the upper end surface of the arc-shaped clamping block (46) is hinged with an L-shaped clamping block (472) located in the embedding groove (471) via a lug; a limit spring is fixedly connected between the L-shaped clamping block (472) and the embedding groove (471).

9. The valve assembly drilling device according to claim 1, characterized in that: The upper end surface of the working seat (3) is provided with a plurality of liquid guide grooves (9) at equal intervals in the transverse direction, and the liquid guide grooves (9) are arranged in a plurality of rows at equal intervals in the longitudinal direction. The upper end surface of the processing base (1) is provided with a plurality of flow guide grooves (10) in communication with the liquid guide grooves (9) at equal intervals.

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