Thread machining mechanism of valve body upper cover machining line

Abstract

The invention relates to the technical field of valve body upper cover machining, and discloses a thread machining mechanism of a valve body upper cover machining line, the thread machining mechanism comprises a frame body, a conveying belt is fixed to the top of the frame body through bolts, and a positioning transfer module used for positioning a valve body upper cover is arranged on the outer portion of the circumference of the conveying belt; a plurality of thread machining integrated modules integrating the chamfering function, the thread opening function, the cleaning function and the collecting function are arranged at the position, located on one side of the conveying belt, of the top of the frame body, and the thread machining integrated modules are used for conducting chamfering, thread opening, cleaning and collecting on an upper cover of a valve body and conducting cleaning and collecting on sweeps. According to the device, the upper cover of the valve body can be fixed and limited during thread forming, and an overlong cutter can be supported in an auxiliary manner, so that the cutter rotates more stably, and the thread forming quality and forming efficiency of the upper cover of the valve body are improved.

Description

Technical Field

[0001] The invention relates to the technical field of valve body upper cover processing, in particular to a thread processing mechanism of a valve body upper cover processing line. Background Art

[0002] The gate valve is mainly composed of core components such as the valve body, valve cover, valve stem, gate plate, valve seat, and transmission device. It is mostly made of cast iron. After the casting is completed, some of the valve covers will have internal threads processed on the top.

[0003] For example, Chinese patent publication number CN106064260B discloses a thread processing device for a valve body cover processing line, which can accurately tap the valve body cover. However, the following problems still exist:

[0004] 1. It uses a tap to process the internal thread of the valve body cover. However, the bottom of the tap has a gradual thread. When threading a closed hole, the bottom cannot be threaded, resulting in incomplete internal threading.

[0005] 2. During the threading process, the valve cover is easily driven by the tap on the processing line and deviates, causing damage to the thread of the valve cover;

[0006] 3. During the threading process, some valve body covers have protrusions on the top, which require a long-axis tool to be used for threading. Using a tool that is too long is prone to tool bending, causing the processed thread to not match the required thread, resulting in the processed valve body cover being unusable. Summary of the Invention

[0007] In response to the deficiencies in the prior art, the present invention provides a thread processing mechanism for a valve body cover processing line, which is mainly designed to solve the problem that the bottom of the tap gradually has threads, and when threading a closed hole, the thread cannot be opened at the bottom, resulting in incomplete opening of the internal thread; during the thread opening process, the valve body cover is easily driven by the tap on the processing line to deviate, resulting in damage to the thread of the valve body cover; and the use of an overly long tool is prone to tool bending, which makes the processed thread mismatch with the required thread, resulting in the processed valve body cover being unusable.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] A thread processing mechanism of a valve body cover processing line includes a frame, a conveyor belt is fixed to the top of the frame by bolts, and a positioning and transfer module for positioning the valve body cover is provided on the outer circumference of the conveyor belt. The top of the frame is located on one side of the conveyor belt and is provided with a plurality of thread processing integrated modules with chamfering, threading, cleaning and collection functions, which are used for chamfering, threading and cleaning and collecting waste chips of the valve body cover. A supporting and stabilizing module for supporting the valve body cover on the positioning and transfer module is provided below the thread processing integrated module on the frame, wherein a conversion module for changing the position of the threading hole of the valve body cover on the positioning and transfer module is provided between two adjacent thread processing integrated modules.

[0010] Furthermore, the thread processing integrated module includes a first fixed frame fixed to the top of the frame body, the top of the first fixed frame is fixed with a first hydraulic cylinder by bolts, the movable end of the first hydraulic cylinder is fixed with a slide slidably connected to the first fixed frame by bolts, a reduction motor is fixed above the middle layer of the slide by bolts, and the output shaft key of the reduction motor is connected to the drill chuck, wherein the front end drill chuck is detachably mounted with a first processing tool, and the drill chuck adjacent to it is detachably mounted with a second processing tool, so that the first processing tool and the second processing tool are arranged at intervals, and the bottom of the first fixed frame is provided with a limiting component for auxiliary fixation when threading or chamfering the valve body cover, and a support component for stabilizing the first processing tool or the second processing tool is provided below the middle layer of the first fixed frame, and a chip cleaning component for cleaning and collecting waste chips is provided below the first fixed frame.

[0011] Based on the above-mentioned scheme, the limit assembly includes a first electric push rod fixed on the inner wall of the bottom of the slide, the movable end of the first electric push rod passes through the slide and is fixed to a first connecting frame sliding on the first fixed frame by bolts, and a pressure frame is welded on one side of the first connecting frame, and the end of the pressure frame in contact with the valve body cover is an inverted cone shape.

[0012] As a further solution of the present invention, the support assembly includes a first limiting frame fixed below the middle layer of the first fixing frame, and the first processing tool or the second processing tool passes through the first limiting frame and is rotatably connected to the first limiting frame through a bearing.

[0013] Furthermore, the chip cleaning assembly includes a mounting bracket fixed under the first connecting bracket, a second electric push rod is fixed to one side of the mounting bracket by bolts, a movable end of the second electric push rod passes through the mounting bracket and is fixed to a placement bracket by bolts, a placement groove is provided at the bottom of one end of the placement bracket, a magnetic block with one end protruding is glued in the placement groove, a guide bracket is welded to one end of the placement bracket, which passes through the mounting bracket and is slidably connected to the second electric push rod, and a chip removal assembly for cleaning waste chips on the magnetic block is provided between the first fixed bracket.

[0014] Based on the above-mentioned scheme, the chip removal assembly includes a support frame fixed on the inner walls on both sides of the first fixed frame, a collection box is provided between the two support frames, a card slot is provided on both sides of the collection box, and one end of the support frame is inserted into the card slot, and an avoidance opening is provided on one side of the collection box.

[0015] As a further solution of the present invention, the positioning and transfer module includes two connecting plates fixed on the conveyor belt, multiple elastic plates are welded on the top of the two connecting plates, and connecting seats are welded on the top of the multiple elastic plates. A sliding hole is provided on the top of the connecting seat, and an annular frame is slidably connected in the sliding hole. A turntable is welded on the top of the annular frame, and multiple positioning blocks are welded on the top of the turntable, and the positioning blocks are inserted into the through holes of the valve body cover. Multiple plug-in blocks are welded on the top of the connecting seat, and a plug-in hole for inserting the plug-in block is provided at the bottom of the turntable.

[0016] Furthermore, the conversion module includes a second fixing frame fixed to the frame body, a rack is fixed to one side of the second fixing frame by bolts, a gear ring that can engage with the rack is welded on the circumferential outer wall of the turntable, and an adjustment component for adjusting the height of the gear ring is provided on the top of the frame body.

[0017] Based on the above scheme, the adjustment assembly includes a third hydraulic cylinder fixed on the top of the frame body, the movable end of the third hydraulic cylinder is fixed to a second connecting frame sliding between the inner walls on both sides of the second fixed frame by bolts, the top of the second connecting frame is fixed to a support plate sliding with the second fixed frame by bolts, and one end of the support plate can contact the turntable, the first magnetic strips are bonded to both sides of the connecting seat, and the second magnetic strip adsorbed to the first magnetic strip is bonded to one side of the second fixed frame.

[0018] As a further solution of the present invention, the supporting and stabilizing module includes a second hydraulic cylinder fixed to the top of the frame, the movable end of the second hydraulic cylinder is fixed to a movable frame sliding on the top of the frame by bolts, and support rods are welded to the outer walls on both sides of the movable frame. A second limit frame is fixed to the top of the frame by bolts, and a slot for inserting the support rod is opened on one side of the second limit frame.

[0019] Compared with the prior art, the present invention provides a thread processing mechanism for a valve body upper cover processing line, which has the following beneficial effects:

[0020] 1. The present invention uses a plurality of modules in coordination, which can not only thread a hole closed at one end, and the thread can reach the lowest end, but also can fix and limit the valve body cover when the thread is opened, and can also provide auxiliary support for the excessively long tool to make its rotation more stable, thereby improving the quality and efficiency of the thread opening of the valve body cover.

[0021] 2. The present invention is provided with a thread processing integrated module, and the chamfering can enable the second processing tool to better enter the thread opening hole. The tool located at the bottom can open the thread all the way to the bottom of the thread opening hole, thereby achieving complete opening of the thread and improving the integrity of the thread opening.

[0022] 3. The present invention is provided with a limit assembly, and the pressing frame contacts the valve body upper cover, pressing the through hole of the valve body upper cover, thereby assisting in fixing the valve body upper cover and improving the stability of the valve body upper cover.

[0023] 4. The present invention is provided with a support assembly, which can greatly avoid the bending of the first processing tool and the second processing tool during rotation, thereby increasing the service life of the first processing tool or the second processing tool.

[0024] 5. The present invention is provided with a chip cleaning component, and the magnetic block enters the threaded hole, thereby adsorbing the debris in the threaded hole, thereby improving the cleaning effect of the device.

[0025] 6. The present invention is provided with a chip removal component, and the collection box scrapes the chips on the magnetic block and drops them into the collection box, which is convenient for unified processing of the chips and improves the convenience of using the device.

[0026] 7. The present invention is provided with a positioning and transfer module, and the positioning block is inserted into the through hole of the valve body cover, thereby completing the positioning of the valve body cover, so that the valve body cover will not move during the transfer process, and improving the stability of the valve body cover rotation.

[0027] 8. The present invention is provided with a conversion module to change the angle of the valve body cover, which can be used to open holes for other threads, further improving the convenience of using the device.

[0028] 9. The present invention is provided with an adjustment component, which can make the gear ring and the rack engage with each other, thereby achieving the purpose of rotating the turntable during the movement, simplifying the structure and improving the reliability of the device operation.

[0029] 10. The present invention supports the connecting seat by providing a supporting stabilizing module so that the connecting seat will not move downward, thereby enabling the thread opening and the chamfering of the thread opening hole to proceed normally, thereby improving the stability of the thread opening and the chamfering of the thread opening hole and improving the quality of the opened thread. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a front-side three-dimensional structural diagram of a thread processing mechanism of a valve body upper cover processing line proposed by the present invention;

[0031] Figure 2 This is a schematic diagram of the rear three-dimensional structure of a thread processing mechanism of a valve body upper cover processing line proposed by the present invention;

[0032] Figure 3 This is an enlarged structural diagram of a positioning and transfer module of a thread processing mechanism of a valve body upper cover processing line proposed by the present invention;

[0033] Figure 4 The present invention proposes a thread processing mechanism for a valve body upper cover processing line Figure 3 Schematic diagram of the decomposition structure;

[0034] Figure 5 The present invention proposes a thread processing mechanism for a valve body upper cover processing line Figure 3 Schematic diagram of a local enlarged structure;

[0035] Figure 6 This is an enlarged structural diagram of a thread processing integrated module of a thread processing mechanism of a valve body upper cover processing line proposed by the present invention;

[0036] Figure 7 The present invention proposes a thread processing mechanism for a valve body upper cover processing line Figure 6 Schematic diagram of a local enlarged structure;

[0037] Figure 8 The present invention proposes a thread processing mechanism for a valve body upper cover processing line Figure 7 Schematic diagram of a local enlarged structure;

[0038] Figure 9 This is an enlarged structural diagram of a cleaning component of a thread processing mechanism of a valve body upper cover processing line proposed by the present invention;

[0039] Figure 10 This is an enlarged structural diagram of a collection box of a thread processing mechanism of a valve body upper cover processing line proposed by the present invention;

[0040] Figure 11 The present invention proposes a thread processing mechanism for a valve body upper cover processing line Figure 10 Schematic diagram of the decomposition structure;

[0041] Figure 12 This is an enlarged structural diagram of a second machining tool of a thread machining mechanism of a valve body upper cover machining line proposed by the present invention;

[0042] Figure 13 This is an enlarged structural diagram of a support and stabilization module of a thread processing mechanism of a valve body upper cover processing line proposed by the present invention;

[0043] Figure 14 This is an enlarged structural diagram of a conversion module of a thread processing mechanism of a valve body upper cover processing line proposed by the present invention.

[0044] In the figure: 1, frame; 2, conveyor belt; 3, positioning transfer module; 301, connecting plate; 302, elastic plate; 303, connecting seat; 304, turntable; 305, gear ring; 306, positioning block; 307, insert block; 308, slide hole; 309, ring frame; 310, plug hole; 4, thread processing integrated module; 401, first fixed frame; 402, first hydraulic cylinder; 403, slide; 404, first connecting frame; 405, reduction motor; 406, drill chuck; 407, first processing tool; 408, first limit frame; 409, first electric push rod; 410, press frame; 411, installation Mounting rack; 412, placement rack; 413, placement slot; 414, magnetic block; 415, second electric push rod; 416, guide rack; 417, collection box; 418, avoidance port; 419, support rack; 420, slot; 421, second processing tool; 5, support and stabilization module; 501, second hydraulic cylinder; 502, moving rack; 503, support rod; 504, second limiting rack; 505, slot; 6, conversion module; 601, first magnetic strip; 602, second fixed rack; 603, third hydraulic cylinder; 604, second connecting rack; 605, second magnetic strip; 606, support plate; 607, rack. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0046] The serial numbers assigned to components herein, such as "first," "second," etc., are used solely to distinguish the objects being described and do not convey any sequential or technical meaning. References to "connection" and "coupling" herein, unless otherwise specified, include both direct and indirect connections (couplings). In the description of the present invention, it should be understood that terms such as "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise" indicate positions or relationships based on those shown in the accompanying drawings. These terms are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the device or component being referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0047] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0048] See also Figures 1-14 As shown, a thread processing mechanism of a valve body upper cover processing line includes a frame 1, a conveyor belt 2 is fixed to the top of the frame 1 by bolts, a positioning and transfer module 3 for positioning the valve body upper cover is provided on the outer circumference of the conveyor belt 2, the top of the frame 1 is located on one side of the conveyor belt 2 and is provided with a plurality of thread processing integrated modules 4 with integrated chamfering, threading, cleaning and collection functions, which are used for chamfering, threading and cleaning and collecting waste chips on the valve body upper cover, a supporting and stabilizing module 5 for supporting the valve body upper cover on the positioning and transfer module 3 is provided below the thread processing integrated module 4 on the frame 1, wherein a conversion module 6 for changing the position of the threading hole of the valve body upper cover on the positioning and transfer module 3 is provided between two adjacent thread processing integrated modules 4;

[0049] Based on the above content, the brief parts of the valve body cover thread processing are as follows:

[0050] Place the valve body cover on the positioning transfer module 3 at one end of the conveyor belt 2, start the conveyor belt 2, and the conveyor belt 2 drives the valve body cover to move;

[0051] When the valve body cover moves to the front end of the thread processing integrated module 4, the support and stabilization module 5 is used to support the positioning and transfer module 3, thereby supporting the valve body cover so that it will not move during the processing. Then the thread processing integrated module 4 chamfers the valve body cover. After the chamfering is completed, the debris is cleaned and the cleaned debris is collected in one place, so that the thread opening hole is clean. The support of the support and stabilization module 5 on the positioning and transfer module 3 is released, and the conveyor belt 2 is continued to be used to drive the valve body cover to move;

[0052] When the valve body cover moves to the next thread processing integrated module 4, the support and stabilization module 5 is used to support the positioning and transfer module 3, and then the thread processing integrated module 4 performs a threading operation on the valve body cover. The threading operation is performed in multiple times, and the threaded opening hole is cleaned after each operation until the threading is completed. The support of the support and stabilization module 5 on the positioning and transfer module 3 is released, and the conveyor belt 2 is continued to be used to drive the valve body cover to move;

[0053] While the conveyor belt 2 drives the valve body cover to move, the conversion module 6 rotates the valve body cover, so that another threaded hole can be opened. The above two steps are repeated in sequence to complete the opening of another thread. In this way, all threaded holes are opened.

[0054] It can not only thread the hole that is closed at one end, and the thread can reach the bottom, but also fix and limit the valve body cover when threading, and can also provide auxiliary support for the overly long tool to make its rotation more stable, thereby improving the quality and efficiency of the thread opening of the valve body cover.

[0055] It should be noted that the existing technology of the conveyor belt 2 is preferably a stainless steel chain conveyor, including a motor, chain plates, brackets, etc., which can be customized and purchased according to actual needs and will not be described in detail here.

[0056] In order to achieve chamfering and threading of threaded holes, the thread processing integrated module 4 of the present invention includes a first fixed frame 401 fixed to the top of the frame body 1, a first hydraulic cylinder 402 is fixed to the top of the first fixed frame 401 by bolts, a slide 403 slidably connected to the first fixed frame 401 is fixed to the movable end of the first hydraulic cylinder 402 by bolts, a reduction motor 405 is fixed above the middle layer of the slide 403 by bolts, and the output shaft of the reduction motor 405 is keyed to a drill chuck 406;

[0057] The frontmost drill chuck 406 is detachably mounted with a first machining tool 407, and the adjacent drill chuck 406 is detachably mounted with a second machining tool 421, so that the first machining tool 407 and the second machining tool 421 are spaced apart. The contact end of the first machining tool 407 with the valve body upper cover is inverted cone-shaped, and the contact end of the second machining tool 421 with the valve body upper cover has a threading tool, which is the same as a thread cutting tool commonly used in machine tools, and is located at the bottom end of the second machining tool 421. The first machining tool 407 performs a micro-chamfering on the top of the threaded hole, and the second machining tool 421 creates an internal thread on the threaded hole.

[0058] When chamfering or threading operation is required, the reduction motor 405 is started, and the reduction motor 405 drives the drill chuck 406 to rotate, thereby driving the first processing tool 407 or the second processing tool 421 to rotate, and the first hydraulic cylinder 402 is started. The first hydraulic cylinder 402 extends, which can drive the slide 403 and the drill chuck 406 to move downward, so that the first processing tool 407 or the second processing tool 421 contacts the threaded hole, thereby achieving chamfering or threading operation. Chamfering can make the second processing tool 421 better enter the threaded hole, and the tool at the bottom can open the thread all the way to the bottom of the threaded hole, thereby achieving complete thread opening and improving the integrity of the thread opening;

[0059] A limiting component is provided at the bottom of the first fixed frame 401 for assisting in fixing the valve body cover when threading or chamfering, a supporting component is provided below the middle layer of the first fixed frame 401 for stabilizing the first processing tool 407 or the second processing tool 421, and a chip cleaning component is provided below the first fixed frame 401 for cleaning and collecting waste chips.

[0060] In order to assist in fixing the valve body cover when the thread is opened, the limit assembly of the present invention includes a first electric push rod 409 fixed to the inner wall of the bottom of the slide 403. The movable end of the first electric push rod 409 passes through the slide 403 and is fixed to the first connecting frame 404 which slides on the first fixing frame 401 by bolts. A pressing frame 410 is welded to one side of the first connecting frame 404. The end of the pressing frame 410 that contacts the valve body cover is in an inverted cone shape.

[0061] When chamfering or threading operations are required, the first electric push rod 409 is started. The extension of the first electric push rod 409 will drive the first connecting frame 404 and the pressing frame 410 to move downward, so that the pressing frame 410 contacts the valve body cover, and then presses the through hole of the valve body cover to assist in fixing the valve body cover and improve the stability of the valve body cover fixation.

[0062] In order to prevent the first processing tool 407 or the second processing tool 421 from bending during rotation, the support assembly of the present invention includes a first limiting frame 408 fixed below the middle layer of the first fixing frame 401, and the first processing tool 407 or the second processing tool 421 passes through the first limiting frame 408 and is rotatably connected to the first limiting frame 408 through a bearing. The bottom end of the first limiting frame 408 is located close to the upper part of the inverted cone of the first processing tool 407, preferably 5 mm, and the bottom end of the first limiting frame 408 is located above the second processing tool 421, and the distance between the tool and the first limiting frame 408 is not less than the depth of the threaded hole, preferably more than 5 mm.

[0063] The first limit frame 408 provides auxiliary support for the lower end of the first processing tool 407 or the second processing tool 421, adding a support point for the first processing tool 407 or the second processing tool 421, thereby greatly avoiding the bending of the first processing tool 407 and the second processing tool 421 during rotation, and improving the service life of the first processing tool 407 or the second processing tool 421.

[0064] In order to clean the waste chips in the threaded hole, the chip cleaning assembly of the present invention includes a mounting frame 411 fixed below the first connecting frame 404, a second electric push rod 415 is fixed to one side of the mounting frame 411 by bolts, the movable end of the second electric push rod 415 passes through the mounting frame 411 and is fixed to a placement frame 412 by bolts, a placement groove 413 is provided at the bottom of one end of the placement frame 412, a magnetic block 414 with a protruding end is bonded in the placement groove 413, the end of the placement frame 412 that wraps the magnetic block 414 is made of copper, one end of the placement frame 412 is welded with a guide frame 416 that passes through the mounting frame 411 and is slidably connected to the second electric push rod 415, and a chip removal assembly for cleaning the waste chips on the magnetic block 414 is provided between the first fixed frame 401;

[0065] Start the second electric push rod 415, the second electric push rod 415 extends, thereby driving the placement rack 412 to move, so that the magnetic block 414 is located above the threaded hole, start the first electric push rod 409, the first electric push rod 409 extends, thereby driving the first connecting rack 404 and the magnetic block 414 to move downward, so that the magnetic block 414 enters the threaded hole, thereby adsorbing the debris in the threaded hole, after the adsorption is completed, the first electric push rod 409 and the second electric push rod 415 are reset, thereby resetting the magnetic block 414, and during the resetting process, the chip removal component will clean and collect the debris, so that the magnetic block 414 can directly proceed to the next operation, thereby improving the cleaning effect of the device.

[0066] The chip removal assembly includes support frames 419 fixed to the inner walls of both sides of the first fixed frame 401. A collection box 417 is provided between the two support frames 419. A slot 420 is provided on both sides of the collection box 417. One end of the support frame 419 is inserted into the slot 420. A clearance opening 418 is provided on one side of the collection box 417.

[0067] During the resetting process of the first electric push rod 409 and the second electric push rod 415, the magnetic block 414 will pass through the avoidance port 418 and contact the other side of the collection box 417, so that the collection box 417 will scrape off the debris on the magnetic block 414. Since the magnetic block 414 is located in the placement groove 413, the magnetic force of the magnetic block 414 will be blocked by the placement rack 412, thereby reducing the attraction of the magnetic block 414 to the debris, and then the debris can fall directly into the collection box 417, which facilitates the unified processing of the debris and improves the convenience of using the device.

[0068] In order to limit the valve body cover, the positioning and transfer module 3 in the present invention includes two connecting plates 301 fixed on the conveyor belt 2, and the tops of the two connecting plates 301 are welded with multiple elastic plates 302. The elastic plates 302 are made of elastic metal, preferably elastic steel, and can avoid position when the conveyor belt 2 is bent, so that the conveyor belt 2 can operate normally. A connecting seat 303 is welded on the top of the multiple elastic plates 302, and a sliding hole 308 is provided on the top of the connecting seat 303. An annular frame 309 is slidably connected in the sliding hole 308, and a turntable 304 is welded on the top of the annular frame 309. A plurality of positioning blocks 306 are welded on the top of the turntable 304, and the positioning blocks 306 are inserted into the through holes of the valve body cover. A plurality of plug blocks 307 are welded on the top of the connecting seat 303, and a socket 310 for inserting the plug blocks 307 is provided at the bottom of the turntable 304.

[0069] When loading the valve body cover, rotate the turntable 304 to insert the insert block 307 into the insertion hole 310, then place the valve body cover on the turntable 304, and insert the positioning block 306 into the through hole of the valve body cover, thereby completing the positioning of the valve body cover, so that the valve body cover will not move during the transportation process, and improving the stability of the valve body cover rotation.

[0070] In order to adjust the angle of the valve cover, the conversion module 6 of the present invention includes a second fixing frame 602 fixed to the frame 1. A rack 607 is fixed to one side of the second fixing frame 602 by bolts. A gear ring 305 that can mesh with the rack 607 is welded to the outer wall of the circumference of the rotating disk 304. An adjustment component for adjusting the height of the gear ring 305 is provided on the top of the frame 1.

[0071] When the rack 607 is engaged with the gear ring 305, the conveyor belt 2 drives the connecting seat 303 to move, which will cause the gear ring 305 to drive the turntable 304 to rotate, and then drive the valve body cover to rotate, thereby changing the angle of the valve body cover, so that other threaded holes can be opened, further improving the convenience of using the device.

[0072] In order to make the rack 607 mesh with the gear ring 305, the adjustment assembly of the present invention includes a third hydraulic cylinder 603 fixed to the top of the frame 1. The movable end of the third hydraulic cylinder 603 is fixed by bolts to a second connecting frame 604 that slides between the inner walls of the second fixed frame 602. The top of the second connecting frame 604 is fixed by bolts to a support plate 606 that slides with the second fixed frame 602, and one end of the support plate 606 can contact the turntable 304. The contact surface between the support plate 606 and the turntable 304 can be provided with a ball bearing to reduce friction.

[0073] When the third hydraulic cylinder 603 is activated, the extension of the third hydraulic cylinder 603 drives the second connecting frame 604 and the support plate 606 to move upward, so that one end of the support plate 606 contacts the turntable 304, thereby driving the turntable 304 to move upward, so that the insert block 307 moves out of the insertion hole 310. At this time, the turntable 304 can rotate. During the upward movement of the turntable 304, the upward movement of the turntable 304 drives the gear ring 305 to move upward, so that the gear ring 305 engages with the rack 607, thereby achieving the purpose of rotating the turntable 304 during the movement, simplifying the structure and improving the reliability of the device operation.

[0074] A first magnetic strip 601 is adhered to both sides of the connecting seat 303, and a second magnetic strip 605 adsorbed to the first magnetic strip 601 is adhered to one side of the second fixing frame 602. When the connecting seat 303 moves to the conversion module 6, the first magnetic strip 601 will adsorb the second magnetic strip 605, so that the connecting seat 303 will not move upward, so that when the turntable 304 is lifted up by the support plate 606, the plug block 307 and the socket 310 can be completely separated, and the plug block 307 and the socket 310 can be forced to separate, thereby improving the stability of the rotation of the valve body cover.

[0075] In order to support the connecting seat 303 and the valve body cover, the supporting and stabilizing module 5 of the present invention includes a second hydraulic cylinder 501 fixed to the top of the frame 1. The movable end of the second hydraulic cylinder 501 is fixed by bolts to a movable frame 502 that slides on the top of the frame 1. The outer walls of both sides of the movable frame 502 are welded with support rods 503. The top of the frame 1 is fixed by bolts to a second limiting frame 504. One side of the second limiting frame 504 is provided with a slot 505 for inserting the support rod 503.

[0076] When the valve body cover needs to be chamfered or threaded, the second hydraulic cylinder 501 is started. The extension of the second hydraulic cylinder 501 will drive the movable frame 502 and the support rod 503 to move, so that one end of the support rod 503 is inserted into the slot 505, thereby cooperating with the second limit frame 504 to form a supporting structure to support the connecting seat 303 so that the connecting seat 303 will not move downward, so that the thread opening and the chamfering of the thread opening hole can be carried out normally, thereby improving the stability of the thread opening and the chamfering of the thread opening hole, and improving the quality of the opened thread.

[0077] It should be noted that the first hydraulic cylinder 402, the second hydraulic cylinder 501 and the third hydraulic cylinder 603 in the present invention are all actuators in the hydraulic system, which realize the telescopic function by cooperating with the hydraulic system. Those skilled in the art can configure them according to actual needs.

[0078] In addition, the conveyor belt 2, elastic plate 302, gear ring 305, first hydraulic cylinder 402, reduction motor 405, drill chuck 406, first machining tool 407, first electric push rod 409, magnetic block 414, second electric push rod 415, second machining tool 421, second hydraulic cylinder 501, first magnetic strip 601, third hydraulic cylinder 603, second magnetic strip 605 and rack 607 in the present invention are all universal standard parts or parts known to those skilled in the art. Their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods, and will not be elaborated on here.

[0079] The specific steps for creating the thread of the valve body cover in the present invention are as follows:

[0080] S1: Rotate the turntable 304 to insert the insert block 307 into the insert hole 310, then place the valve body cover on the turntable 304, and insert the positioning block 306 into the through hole of the valve body cover, start the conveyor belt 2, and the conveyor belt 2 drives the valve body cover to move;

[0081] S2: When the valve body cover moves to the thread processing integrated module 4, the second hydraulic cylinder 501 is activated. The extension of the second hydraulic cylinder 501 drives the moving frame 502 and the support rod 503 to move, so that one end of the support rod 503 is inserted into the slot 505, thereby cooperating with the second limiting frame 504 to form a support structure to support the connecting seat 303;

[0082] S3: The first electric push rod 409 is activated. The extension of the first electric push rod 409 drives the first connecting frame 404 and the pressing frame 410 to move downward, so that the pressing frame 410 contacts the valve body cover, thereby pressing the through hole of the valve body cover to assist in fixing the valve body cover.

[0083] S4: Starting the reduction motor 405, which drives the drill chuck 406 to rotate, thereby driving the first processing tool 407 to rotate, and starting the first hydraulic cylinder 402. The first hydraulic cylinder 402 extends, which can drive the slide 403 and the drill chuck 406 to move downward, so that the first processing tool 407 contacts the threaded hole, thereby achieving chamfering. After the chamfering is completed, the first hydraulic cylinder 402 is reset, thereby driving the first processing tool 407 to reset;

[0084] S5: The second electric push rod 415 is started and extended, thereby driving the placement frame 412 to move, so that the magnetic block 414 is located above the threaded hole. The first electric push rod 409 is started and extended, thereby driving the first connecting frame 404 and the magnetic block 414 to move downward, so that the magnetic block 414 enters the threaded hole, thereby adsorbing the debris in the threaded hole. After the adsorption is completed, the first electric push rod 409 and the second electric push rod 415 are reset;

[0085] S6: During the resetting process of the first electric push rod 409 and the second electric push rod 415, the magnetic block 414 passes through the avoidance opening 418 and contacts the other side of the collection box 417, so that the collection box 417 scrapes the debris on the magnetic block 414 and drops it into the collection box 417;

[0086] S7: Continue to use the conveyor belt 2 to drive the valve body cover to move, when the valve body cover moves to the next thread processing integrated module 4;

[0087] S8: Start the second hydraulic cylinder 501. The extension of the second hydraulic cylinder 501 drives the movable frame 502 and the support rod 503 to move, so that one end of the support rod 503 is inserted into the slot 505, thereby cooperating with the second limiting frame 504 to form a support structure to support the connecting seat 303;

[0088] S9: The first electric push rod 409 is activated. The extension of the first electric push rod 409 drives the first connecting frame 404 and the pressing frame 410 to move downward, so that the pressing frame 410 contacts the valve body cover, thereby pressing the through hole of the valve body cover to assist in fixing the valve body cover.

[0089] S10: The reduction motor 405 is started, which drives the drill chuck 406 to rotate, thereby driving the second machining tool 421 to rotate. The first hydraulic cylinder 402 is started, and the first hydraulic cylinder 402 extends, which can drive the slide 403 and the drill chuck 406 to move downward, so that the second machining tool 421 contacts the threaded hole, thereby completing the threading operation;

[0090] S11: The second electric push rod 415 is started and extended, thereby driving the placement frame 412 to move, so that the magnetic block 414 is located above the threaded hole. The first electric push rod 409 is started and extended, thereby driving the first connecting frame 404 and the magnetic block 414 to move downward, so that the magnetic block 414 enters the threaded hole, thereby adsorbing the debris in the threaded hole. After the adsorption is completed, the first electric push rod 409 and the second electric push rod 415 are reset;

[0091] S12: During the resetting process of the first electric push rod 409 and the second electric push rod 415, the magnetic block 414 passes through the avoidance opening 418 and contacts the other side of the collection box 417, so that the collection box 417 scrapes the debris on the magnetic block 414 and drops it into the collection box 417;

[0092] S13: During the thread opening process, the thread opening is carried out in multiple times, and the thread opening hole is cleaned after each opening, which reduces the single cutting amount, avoids tool offset or thread deformation due to excessive material resistance, improves the accuracy of pitch and tooth profile, and prolongs the service life of the tool;

[0093] S14: After the threading is completed, the conveyor belt 2 is used to move the valve body cover. During the process of the conveyor belt 2 moving the valve body cover to the next thread processing integrated module 4, the first magnetic strip 601 attracts the second magnetic strip 605, so that the connecting seat 303 does not move upward;

[0094] S15: Start the third hydraulic cylinder 603. The extension of the third hydraulic cylinder 603 drives the second connecting frame 604 and the support plate 606 to move upward, so that one end of the support plate 606 contacts the turntable 304, and then drives the turntable 304 to move upward, so that the insert block 307 moves out of the insertion hole 310. At this time, the turntable 304 can rotate. During the upward movement of the turntable 304, the upward movement of the turntable 304 drives the gear ring 305 to move upward, so that the gear ring 305 engages with the rack 607, so that the gear ring 305 drives the turntable 304 to rotate, and then drives the valve body cover to rotate, thereby changing the angle of the valve body cover, so that another threaded hole can be opened;

[0095] S16: After the position conversion is completed, steps S2-S14 are repeated to complete another thread opening operation, and all threaded holes are opened in this reciprocating manner. It is possible to thread the hole closed at one end, and the opened thread can reach the bottom end. It is also possible to fix and limit the valve body cover during thread opening, and to provide auxiliary support for the overly long tool to make its rotation more stable, thereby improving the quality and efficiency of the thread opening of the valve body cover.

[0096] The technical features of the above embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0097] The above-described embodiments merely illustrate several embodiments of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A thread processing mechanism for a valve body upper cover processing line, comprising a frame (1), characterized in that: The top of the frame (1) is fixedly connected to a conveyor belt (2), and a positioning transfer module (3) for positioning the valve body cover is provided on the outer circumference of the conveyor belt (2). The top of the frame (1) is located on one side of the conveyor belt (2) and is provided with a plurality of thread processing integrated modules (4) with chamfering, threading, cleaning and collecting functions, which are used for chamfering, threading and cleaning and collecting waste chips on the valve body cover. A supporting stabilizing module (5) for supporting the valve body cover on the positioning transfer module (3) is provided below the thread processing integrated module (4) on the frame (1), wherein a conversion module (6) for changing the position of the threading hole on the valve body cover of the positioning transfer module (3) is provided between two adjacent thread processing integrated modules (4).

2. The thread processing mechanism of the valve body upper cover processing line according to claim 1, characterized in that: The thread processing integrated module (4) comprises a first fixed frame (401) fixed on the top of the frame (1), a first hydraulic cylinder (402) fixedly connected to the top of the first fixed frame (401), a movable end of the first hydraulic cylinder (402) fixedly connected to a slide (403) slidably connected to the first fixed frame (401), a reduction motor (405) fixedly connected above the middle layer of the slide (403), an output shaft key of the reduction motor (405) connected to a drill chuck (406), wherein the front end drill chuck (406) is detachably mounted with a first processing tool (403). 07), a second machining tool (421) is detachably mounted on the drill chuck (406) adjacent thereto, so that the first machining tool (407) and the second machining tool (421) are arranged at intervals, a limiting component is provided at the bottom of the first fixing frame (401) for assisting in fixing the valve body cover when threading or chamfering, a supporting component for stabilizing the first machining tool (407) or the second machining tool (421) is provided below the middle layer of the first fixing frame (401), and a chip cleaning component for cleaning and collecting waste chips is provided below the first fixing frame (401).

3. The thread processing mechanism of the valve body upper cover processing line according to claim 2, characterized in that: The limiting assembly comprises a first electric push rod (409) fixed on the inner wall of the bottom of the slide (403); the movable end of the first electric push rod (409) passes through the slide (403) and is fixedly connected to a first connecting frame (404) sliding on the first fixed frame (401); one side of the first connecting frame (404) is fixedly connected to a pressing frame (410); the end of the pressing frame (410) in contact with the valve body upper cover is in an inverted cone shape.

4. The thread processing mechanism of the valve body upper cover processing line according to claim 2, characterized in that: The support assembly comprises a first limiting frame (408) fixed below the middle layer of the first fixing frame (401), and the first processing tool (407) or the second processing tool (421) passes through the first limiting frame (408) and is rotatably connected to the first limiting frame (408) via a bearing.

5. The thread processing mechanism of the valve body upper cover processing line according to claim 3, characterized in that: The chip cleaning component comprises a mounting frame (411) fixed below the first connecting frame (404); a second electric push rod (415) is fixedly connected to one side of the mounting frame (411); a movable end of the second electric push rod (415) passes through the mounting frame (411) and is fixedly connected to a placement frame (412); a placement groove (413) is provided at the bottom of one end of the placement frame (412); a magnetic block (414) with one end protruding is bonded in the placement groove (413); one end of the placement frame (412) is fixedly connected to a guide frame (416) that passes through the mounting frame (411) and is slidably connected to the second electric push rod (415); and a chip removal component for cleaning waste chips on the magnetic block (414) is provided between the first fixed frame (401).

6. The thread processing mechanism of the valve body upper cover processing line according to claim 5, characterized in that: The chip removal assembly comprises support frames (419) fixed to the inner walls on both sides of the first fixed frame (401), a collection box (417) is provided between the two support frames (419), a card slot (420) is provided on both sides of the collection box (417), and one end of the support frame (419) is inserted into the card slot (420), and a clearance opening (418) is provided on one side of the collection box (417).

7. The thread processing mechanism of the valve body upper cover processing line according to claim 1, characterized in that: The positioning transfer module (3) comprises two connecting plates (301) fixed on the conveyor belt (2), the tops of the two connecting plates (301) are fixedly connected to a plurality of elastic plates (302), the tops of the plurality of elastic plates (302) are fixedly connected to a connecting seat (303), the top of the connecting seat (303) is provided with a sliding hole (308), an annular frame (309) is slidably connected in the sliding hole (308), the top of the annular frame (309) is fixedly connected to a turntable (304), the top of the turntable (304) is fixedly connected to a plurality of positioning blocks (306), and the positioning blocks (306) are inserted into the through holes of the valve body cover, the top of the connecting seat (303) is fixedly connected to a plurality of plug blocks (307), and the bottom of the turntable (304) is provided with a socket (310) for inserting the plug blocks (307).

8. The thread processing mechanism of the valve body upper cover processing line according to claim 7, characterized in that: The conversion module (6) includes a second fixing frame (602) fixed to the frame body (1), a rack (607) fixedly connected to one side of the second fixing frame (602), a gear ring (305) that can mesh with the rack (607) fixedly connected to the circumferential outer wall of the turntable (304), and an adjustment component for adjusting the height of the gear ring (305) is provided on the top of the frame body (1).

9. The thread processing mechanism of the valve body upper cover processing line according to claim 8, characterized in that: The adjustment component includes a third hydraulic cylinder (603) fixed on the top of the frame (1), the movable end of the third hydraulic cylinder (603) is fixedly connected to a second connecting frame (604) sliding between the inner walls on both sides of the second fixing frame (602), the top of the second connecting frame (604) is fixedly connected to a support plate (606) sliding with the second fixing frame (602), and one end of the support plate (606) can contact the turntable (304), both sides of the connecting seat (303) are bonded with a first magnetic strip (601), and one side of the second fixing frame (602) is bonded with a second magnetic strip (605) adsorbed with the first magnetic strip (601).

10. The thread processing mechanism of the valve body upper cover processing line according to claim 7, characterized in that: The supporting stabilizing module (5) comprises a second hydraulic cylinder (501) fixed on the top of the frame (1); the movable end of the second hydraulic cylinder (501) is fixedly connected to a movable frame (502) that slides on the top of the frame (1); the outer walls on both sides of the movable frame (502) are fixedly connected to support rods (503); the top of the frame (1) is fixedly connected to a second limiting frame (504); and a slot (505) for inserting the support rod (503) is provided on one side of the second limiting frame (504).

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